阅读说明：本技术 一种阻燃透气型橡胶跑道材料制备方法 (Preparation method of flame-retardant breathable rubber track material ) 是由 黄华强 于 2021-09-30 设计创作，主要内容包括：本发明公开了一种阻燃透气型橡胶跑道材料制备方法,包括以下步骤：步骤1：将制备阻燃透气型橡胶跑道的原材料进行密炼,得到混炼橡胶；步骤2：将所述混炼橡胶经高温硫化,得到硫化橡胶；步骤3：将所述硫化橡胶进行切割造粒,得到橡胶颗粒；步骤4：根据预设粒径要求,对所述橡胶颗粒进行筛选。本发明将天然橡胶和添加剂置于密炼部中进行密炼处理,在密炼过程中加入透气添加材料、阻燃剂,保证了材料的阻燃透气效果,密炼处理使得得橡胶与各种添加剂融合均匀,硫化部将混炼橡胶在一定温度、压力下进行硫化,以增强橡胶材料的性质,最后进行切割、造粒、筛选,保证橡胶颗粒满足跑道建设的使用。(The invention discloses a preparation method of a flame-retardant breathable rubber track material, which comprises the following steps: step 1: banburying raw materials for preparing the flame-retardant breathable rubber track to obtain mixed rubber; step 2: vulcanizing the mixed rubber at high temperature to obtain vulcanized rubber; and step 3: cutting and granulating the vulcanized rubber to obtain rubber particles; and 4, step 4: and screening the rubber particles according to the preset particle size requirement. According to the invention, natural rubber and additives are placed in an internal mixing part for internal mixing treatment, and the air-permeable additive material and the flame retardant are added in the internal mixing process, so that the flame-retardant and air-permeable effects of the material are ensured, the obtained rubber and various additives are uniformly blended through the internal mixing treatment, the mixed rubber is vulcanized at a certain temperature and under a certain pressure by a vulcanizing part so as to enhance the properties of the rubber material, and finally, cutting, granulating and screening are carried out, so that the rubber particles are ensured to meet the use requirements of runway construction.)

1. A preparation method of a flame-retardant breathable rubber track material is characterized by comprising the following steps: the method comprises the following steps:

step 1: banburying raw materials for preparing the flame-retardant breathable rubber track to obtain mixed rubber;

step 2: vulcanizing the mixed rubber at high temperature to obtain vulcanized rubber;

and step 3: cutting and granulating the vulcanized rubber to obtain rubber particles;

and 4, step 4: and screening the rubber particles according to the preset particle size requirement.

2. The preparation method of the flame-retardant breathable rubber track material according to claim 1, characterized by comprising the following steps: the raw materials comprise: rubber raw materials, breathable additive materials and flame retardants.

3. The preparation method of the flame-retardant breathable rubber track material according to claim 1, characterized by comprising the following steps: the step 1, the step 2, the step 3 and the step 4 are all carried out based on a rubber track material preparation device, and the rubber track material preparation device comprises: base (1), banburying portion (2), vulcanization portion (3), cutting screening portion (4) are fixed in on base (1), and turn left from the right side and arrange in proper order.

4. The preparation method of the flame-retardant breathable rubber track material according to claim 3, characterized by comprising the following steps: the internal mixing part (2) comprises an internal mixing part main body (203), the internal mixing part main body (203) is fixed on the base (1), a first feeding hole (205) is formed above the internal mixing part main body (203), an air outlet (206) and a first discharging hole (208) are formed in the side of the internal mixing part main body (203), and the internal mixing part main body (203) is connected to the air pump (201) through an air inlet pipe (202).

5. The preparation method of the flame-retardant breathable rubber track material according to claim 4, characterized by comprising the following steps: an internal mixing roller (207) is connected to the inside of the internal mixing part main body (203) through a first rotating shaft (204), the internal mixing roller (207) is driven by the first rotating shaft (204), the first rotating shaft (204) and the internal mixing roller (207) are provided with a plurality of first rotating shafts (204), and the first rotating shafts (204) are in transmission through gears or belts;

the air pump (201) is fixed on the base (1).

6. The preparation method of the flame-retardant breathable rubber track material according to claim 3, characterized by comprising the following steps: vulcanization portion (3) are including support column (301), support column (301) lower extreme is fixed in on base (1), support column (301) upper end is fixed with fixed plate (302), fixed plate (302) with from the top down has set gradually between base (1) and has vulcanize roof (305), vulcanize mould (308), vulcanize bottom plate (309).

7. The preparation method of the flame-retardant breathable rubber track material according to claim 6, characterized by comprising the following steps: a hydraulic cylinder (303) is fixed on the fixing plate (302), the hydraulic cylinder (303) is connected to the vulcanized top plate (305) through a connecting rod (304), the vulcanized top plate (305), the vulcanized mold (308) and the vulcanized bottom plate (309) are connected with the supporting column (301) through connecting rings (307), and the vulcanized top plate (305) is connected with the supporting column (301) in a sliding manner;

and a positioning bulge (306) is arranged on the upper side of the vulcanizing mould (308) and is used for matching and positioning with the vulcanizing top plate (305).

8. The preparation method of the flame-retardant breathable rubber track material according to claim 3, characterized by comprising the following steps: the cutting and screening part (4) comprises:

the device comprises a cutting and screening part shell (401), a second feeding hole (402), a cutting plate (403), a conveying wheel (404), a first cutting knife (405), a motor mounting bin (406), a motor (407), a protective device (408), a power shaft (409), a spiral protrusion (410), a second discharging hole (411), a friction block (412), a filter plate (413), a second cutting knife (414), a compression spring (415), a second rotating shaft (416), a balance block (417) and a moving groove (418);

the cutting and screening part shell (401) is fixed on the base (1), the second discharge hole (411) is formed in the lower end of the cutting and screening part shell (401), a motor mounting bin (406) is arranged in the cutting and screening part shell (401), the motor mounting bin (406) is conical, the motor (407) is fixed in the motor mounting bin (406), the output end of the motor (407) is connected with the power shaft (409), and the second cutting knife (414) and the spiral protrusion (410) are sequentially fixed on the power shaft (409) from top to bottom;

the cutting and screening part shell (401) is internally provided with the filter plate (413), the periphery of the filter plate (413) is fixed with the cutting and screening part shell (401), the power shaft (409) penetrates through the filter plate (413), and the filter plate (413) is provided with a plurality of holes;

the second cutting knife (414) is positioned above the filter plate (413), the spiral bulge (410) is positioned below the filter plate (413), the friction block (412) is fixed at the center below the filter plate (413), and the friction block (412) is in contact with the spiral bulge (410);

the second feed inlet (402) is formed in the upper end of the cutting and screening part shell (401), a cutting plate (403) is fixed in the cutting and screening part shell (401), and the cutting plate (403) is flush with the lower edge of the second feed inlet (402);

a conveying wheel (404) and a first cutting knife (405) are arranged in the cutting and screening part shell (401), the conveying wheel (404) is close to the second feeding hole (402), and the first cutting knife (405) is positioned on one side, far away from the second feeding hole (402), of the conveying wheel (404);

the second rotating shaft (416) is rotatably connected with the inner wall of the cutting and screening part shell (401), the conveying wheel (404) is fixed on the second rotating shaft (416), the balance block (417) is sleeved outside the second rotating shaft (416), the balance block (417) is positioned in the moving groove (418), and the balance block (417) is connected with the moving groove (418) through the compression spring (415);

the moving groove (418) is arranged on the inner wall of the cutting and screening part shell (401).

9. The preparation method of the flame-retardant breathable rubber track material according to claim 8, characterized by comprising the following steps: the output end of the motor (407) is connected with the power shaft (409) through the protection device (408), and the protection device (408) comprises:

the device comprises a first connecting plate (40801), a second connecting plate (40802), a third connecting plate (40803), a third spring (40804), a first connecting rod (40805), a trapezoidal block (40806), a fixing plate (40807), a first sliding chute (40808), a first sliding rod (40809), an adjusting piece (40810), a gear (40811), a gear shaft (40812), a rotating rod (40813), a second connecting rod (40814), a first adjusting plate (40815), a fourth spring (40816), a second adjusting plate (40817), a screw (40818), a knob (40819) and a rack (40820);

the lower end edge position of the power shaft (409) is fixed with the two first connecting plates (40801), the two first connecting plates (40801) are respectively fixed with the two second connecting plates (40802), the third connecting plate (40803) is arranged between the two second connecting plates (40802), and the third spring (40804) is connected between the third connecting plate (40803) and the second connecting plate (40802);

the lower part of the second connecting plate (40802) is hinged to the adjusting part (40810) through the first connecting rod (40805), the fixing plate (40807) is fixed on the upper surface of the adjusting part (40810), the first sliding groove (40808) is arranged on the fixing plate (40807), the trapezoidal block (40806) is fixed below the third connecting plate (40803), the rack (40820) is fixed at the lower end of the trapezoidal block (40806), and the trapezoidal block (40806) is slidably connected into the first sliding groove (40808) through the first sliding rod (40809);

the rack (40820) is engaged with the gear (40811), the gear (40811) is rotatably connected to the fixing plate (40807) through the gear shaft (40812), the rotating rod (40813) is fixed on the gear (40811), the lower end of the rotating rod (40813) is hinged to one end of the second link (40814), the other end of the second link (40814) is hinged to the first adjusting plate (40815), the first adjusting plate (40815) is disposed in the adjusting member (40810), one side of the first adjusting plate (40815) is fixed to one end of the fourth spring (40816), the other end of the fourth spring (40816) is fixed to one side of the second adjusting plate (40817), the other side of the second adjusting plate (40817) is connected with the screw (40818), the screw (40818) extends out of the adjusting member (40810), and the screw (40818) is connected with the adjusting member (40810) through a screw thread, the screw (40818) located outside the adjusting piece (40810) is fixed with the knob (40819).

10. The preparation method of the flame-retardant breathable rubber track material according to claim 4, characterized by comprising the following steps: the first feeding hole (205) is also provided with a dustproof device (209), and the dustproof device (209) is connected with the first feeding hole (205);

the dust-proof device (209) comprises:

the device comprises a dustproof cover (20901), a first fixed shell (20902), a supporting rod (20903), a rotating shaft (20904), a rotating supporting rod (20905), a power shaft sleeve (20906), a rack (20907), a gear shaft (20908), a limiting block (20909), a clamping shell (20910), a button (20911), a first connecting rod (20912), a first hinged shaft (20913), a second connecting rod (20914), a second hinged shaft (20915), a clamping rod (20916), a third hinged shaft (20917), a first spring (20918), a fixed partition plate (20919) and a second spring (20920);

the first fixing shell (20902) is fixed on the first feeding hole (205), the supporting rod (20903) is fixed in the first fixing shell (20902), the upper end of the supporting rod (20903) is connected with the rotating supporting rod (20905), and the rotating supporting rod (20905) is rotatably connected with the upper end of the supporting rod (20903) through the rotating shaft (20904);

the upper end of the rotating supporting rod (20905) penetrates through the first fixed shell (20902), the upper end of the rotating supporting rod (20905) is fixedly provided with the dust cover (20901), the dust cover (20901) is located above the upper surface of the first feed port (205), the position, close to the connecting position with the rotating supporting rod (20905), of the dust cover (20901) is connected with one end of the rack (20907), the other end of the rack (20907) is fixedly provided with the limiting block (20909), the rack (20907) penetrates through the first fixed shell (20902), the rack (20907) is in an arc shape, and the circle center of the rack (20907) is overlapped with the rotating shaft (20904);

the power shaft sleeve (20906) is fixed on the supporting rod (20903), the fixed partition plate (20919) is fixed inside the power shaft sleeve (20906), two sides of the fixed partition plate (20919) are fixed with one end of the second spring (20920), the other end of the second spring (20920) is fixed at one end of the gear shaft (20908), the gear shaft (20908) is sleeved in the power shaft sleeve (20906), and the toothed end of the gear shaft (20908) is meshed with the rack (20907);

the clamping shell (20910) is further fixed at the edge of the first feed opening (205) and at the opposite side of the first fixed shell (20902), the clamping rod (20916) is hinged to the clamping shell (20910) through the third hinge shaft (20917), one end of the clamping rod (20916) extends out of the clamping shell (20910) and is connected with the dust-proof cover (20901), the other end of the clamping rod (20916) is hinged to the second connecting rod (20914) through the second hinge shaft (20915), the second connecting rod (20914) and the first connecting rod (20912) are hinged to the first hinge shaft (20913), the first hinge shaft (20913) is connected with the clamping shell (20910) through a first spring (20918), and a button (11) is fixed at the end of the first connecting rod (20912) extending out of the clamping shell (20910).

Technical Field

The invention relates to the field of rubber materials, in particular to a preparation method of a flame-retardant and breathable rubber track material.

Background

The plastic track is also named as all-weather track for track and field sports and consists of rubber grains, pigment, assistant and stuffing. The plastic track has the characteristics of good flatness, high compressive strength, proper hardness and elasticity and stable physical performance, is beneficial to the exertion of the speed and the technology of athletes, effectively improves the sports performance and reduces the tumble injury rate. The plastic track is made of materials such as polyurethane rubber, has certain elasticity and color, has certain ultraviolet resistance and aging resistance, and is the best all-weather outdoor sports ground floor material internationally recognized.

The plastic runway has been in China for 36 years, is more favorable for protecting the health of sporters than a sand runway because of good elasticity, is lower in price than a natural lawn and is more convenient to maintain, and therefore, the plastic runway is widely used in various schools and stadiums in China. However, most of the rubber materials used for the existing plastic runways do not have the functions of inflaming retarding and ventilation, and accidents are easy to happen.

Disclosure of Invention

In order to solve the problems of the background art, the present invention provides the following technical solutions.

A preparation method of a flame-retardant breathable rubber track material comprises the following steps:

step 1: banburying raw materials for preparing the flame-retardant breathable rubber track to obtain mixed rubber;

step 2: vulcanizing the mixed rubber at high temperature to obtain vulcanized rubber;

and step 3: cutting and granulating the vulcanized rubber to obtain rubber particles;

and 4, step 4: and screening the rubber particles according to the preset particle size requirement.

Preferably, the raw materials comprise: rubber raw materials, breathable additive materials and flame retardants.

Preferably, step 1, step 2, step 3 and step 4 are all performed based on a rubber track material preparation device, and the rubber track material preparation device includes: base, banburying portion, vulcanization portion, cutting screening portion are fixed in on the base, and from right side to left side arrange in proper order.

Preferably, the banburying portion comprises a banburying portion main body, the banburying portion main body is fixed on the base, a first feed inlet is arranged above the banburying portion main body, an air outlet and a first discharge outlet are arranged on the side of the banburying portion main body, and the banburying portion main body is connected to the air pump through an air inlet pipe.

Preferably, the interior of the main body of the banburying part is connected with a banburying roller through a first rotating shaft, the banburying roller is driven by the first rotating shaft, the first rotating shaft and the banburying roller are both provided with a plurality of first rotating shafts, and the first rotating shafts are driven by gears or belts;

the air pump is fixed on the base.

Preferably, the vulcanization part comprises a supporting column, the lower end of the supporting column is fixed on the base, a fixing plate is fixed at the upper end of the supporting column, and a vulcanization top plate, a vulcanization mold and a vulcanization bottom plate are sequentially arranged between the fixing plate and the base from top to bottom.

Preferably, a hydraulic cylinder is fixed on the fixed plate, the hydraulic cylinder is connected to the vulcanization top plate through a connecting rod, the vulcanization top plate, the vulcanization mold and the vulcanization bottom plate are all connected with the supporting column through connecting rings, and the vulcanization top plate is in sliding connection with the supporting column;

the upper side of the vulcanization mould is provided with a positioning bulge for matching and positioning with the vulcanization top plate.

Preferably, the cutting and screening part includes:

the cutting and screening part comprises a shell, a second feeding hole, a cutting plate, a conveying wheel, a first cutting knife, a motor placing bin, a motor, a protective device, a power shaft, a spiral bulge, a second discharging hole, a friction block, a filter plate, a second cutting knife, a compression spring, a second rotating shaft, a balance block and a moving groove;

the cutting and screening part shell is fixed on the base, the second discharge hole is formed in the lower end of the cutting and screening part shell, a motor placing bin is arranged in the cutting and screening part shell, the motor placing bin is conical, the motor is fixed in the motor placing bin, the output end of the motor is connected with the power shaft, and the second cutting knife and the spiral protrusion are sequentially fixed on the power shaft from top to bottom;

the filter plate is arranged in the cutting and screening part shell, the periphery of the filter plate is fixed with the cutting and screening part shell, the power shaft penetrates through the filter plate, and a plurality of holes are formed in the filter plate;

the second cutting knife is positioned above the filter plate, the spiral bulge is positioned below the filter plate, the friction block is fixed at the center below the filter plate, and the friction block is in contact with the spiral bulge;

the second feed port is formed in the upper end of the cutting and screening part shell, a cutting plate is fixed in the cutting and screening part shell, and the cutting plate is flush with the lower edge of the second feed port;

a conveying wheel and a first cutting knife are arranged in the shell of the cutting and screening part, the conveying wheel is close to the second feeding hole, and the first cutting knife is positioned on one side, far away from the second feeding hole, of the conveying wheel;

the second rotating shaft is rotationally connected with the inner wall of the cutting and screening part shell, the conveying wheel is fixed on the second rotating shaft, the balance block is sleeved outside the second rotating shaft and is positioned in the moving groove, and the balance block is connected with the moving groove through the compression spring;

the moving groove is arranged on the inner wall of the shell of the cutting and screening part.

Preferably, the output end of the motor is connected with the power shaft through the protection device, and the protection device comprises:

the device comprises a first connecting plate, a second connecting plate, a third spring, a first connecting rod, a trapezoidal block, a fixing plate, a first sliding groove, a first sliding rod, an adjusting piece, a gear shaft, a rotating rod, a second connecting rod, a first adjusting plate, a fourth spring, a second adjusting plate, a screw rod, a knob and a rack;

the edge position of the lower end of the power shaft is fixed with the two first connecting plates, the two first connecting plates are respectively fixed on the two second connecting plates, the third connecting plate is arranged between the two second connecting plates, and the third spring is connected between the third connecting plate and the second connecting plates;

the lower part of the second connecting plate is hinged with the adjusting part through the first connecting rod, the fixed plate is fixed on the upper surface of the adjusting part, the first sliding groove is formed in the fixed plate, the trapezoidal block is fixed below the third connecting plate, the rack is fixed at the lower end of the trapezoidal block, and the trapezoidal block is connected into the first sliding groove through the first sliding rod in a sliding manner;

the rack with gear engagement, the gear passes through the gear shaft rotate connect in the fixed plate, be fixed with on the gear the dwang, the dwang lower extreme with second connecting rod one end is articulated, the second connecting rod other end articulate in first regulating plate, first regulating plate set up in the regulating part, first regulating plate one side with fourth spring one end is fixed, the fourth spring other end is fixed in second regulating plate one side, second regulating plate opposite side is connected with the screw rod, the screw rod stretches out the regulating part, just the screw rod with the regulating part passes through threaded connection, is located the regulating part outside the screw rod is fixed with the knob.

Preferably, the first feed port is also provided with a dustproof device, and the dustproof device is connected with the first feed port;

the dust-proof device includes:

the device comprises a dust cover, a first fixing shell, a supporting rod, a rotating shaft, a rotating supporting rod, a power shaft sleeve, a rack, a gear shaft, a limiting block, a clamping shell, a button, a first connecting rod, a first hinged shaft, a second connecting rod, a second hinged shaft, a clamping rod, a third hinged shaft, a first spring, a fixing partition plate and a second spring;

the first fixing shell is fixed on the first feeding hole, the supporting rod is fixed in the first fixing shell, the upper end of the supporting rod is connected with the rotating supporting rod, and the rotating supporting rod is rotatably connected with the upper end of the supporting rod through the rotating shaft;

the upper end of the rotating support rod penetrates through the first fixed shell, the dustproof cover is fixed at the upper end of the rotating support rod and is positioned above the upper surface of the first feed port, the position, close to the connecting position of the dustproof cover and the rotating support rod, of the dustproof cover is connected with one end of the rack, the other end of the rack is fixed with the limiting block, the rack penetrates through the first fixed shell, the rack is in an arc shape, and the circle center of the rack is overlapped with the rotating shaft;

the power shaft sleeve is fixed on the support rod, the fixed partition plate is fixed in the power shaft sleeve, two sides of the fixed partition plate are fixed with one end of the second spring, the other end of the second spring is fixed at one end of the gear shaft, the gear shaft is sleeved in the power shaft sleeve, and a toothed end of the gear shaft is meshed with the rack;

first set casing offside, first feed inlet edge still are fixed with the screens shell, the screens pole passes through third articulated shaft articulate in the screens shell, screens pole one end is stretched out the screens shell with the shield is connected, the screens pole other end passes through the second articulated shaft with the second connecting rod is articulated, the second connecting rod with first connecting rod articulate in first articulated shaft, first articulated shaft through first spring with the screens shell is connected, first connecting rod stretches out the one end of screens shell is fixed with the button.

Drawings

FIG. 1 is a process flow diagram of the present invention;

FIG. 2 is a schematic view of the main structure of the present invention;

FIG. 3 is an enlarged view of the structure at A of the present invention;

FIG. 4 is a schematic view of the structure of the protection device of the present invention;

FIG. 5 is a schematic view of a partial front structure of the dust-proof device of the present invention;

FIG. 6 is a schematic side view of a portion of the dustproof device of the present invention;

FIG. 7 is a schematic view of a partial top view of the dust-proof apparatus of the present invention;

fig. 8 is a schematic view of a connection structure of a power shaft sleeve and a gear shaft of the dust-proof device of the invention.

In the figure: 1. a base; 2. an internal mixing part; 3. a vulcanization part; 4. a cutting and screening part; 201. an air pump; 202. an air inlet pipe; 203. a banburying part main body; 204. a first rotating shaft; 205. a first feed port; 206. an air outlet; 207. banburying rollers; 208. a first discharge port; 209. a dust-proof device; 20901. a dust cover; 20902. a first stationary case; 20903. a support bar; 20904. a rotating shaft; 20905. rotating the support rod; 20906. a power shaft sleeve; 20907. a rack; 20908. a gear shaft; 20909. a limiting block; 20910. a clamping shell; 20911. a button; 20912. a first link; 20913. a first hinge shaft; 20914. a second link; 20915. a second hinge shaft; 20916. a position clamping rod; 20917. a third hinge shaft; 20918. a first spring; 20919. fixing the partition board; 20920. a second spring; 301. a support pillar; 302. a fixing plate; 303. a hydraulic cylinder; 304. a connecting rod; 305. vulcanizing the top plate; 306. positioning the projection; 307. a connecting ring; 308. vulcanizing the mold; 309. a vulcanization soleplate; 401. cutting the shell of the screening part; 402. a second feed port; 403. cutting the board; 404. a delivery wheel; 405. a first cutter; 406. a motor mounting bin; 407. a motor; 408. a guard; 40801. a first connecting plate; 40802. a second connecting plate; 40803. a third connecting plate; 40804. a third spring; 40805. a first link; 40806. a trapezoidal block; 40807. a fixing plate; 40808. a first chute; 40809. a first slide bar; 40810. an adjustment member; 40811. a gear; 40812. a gear shaft; 40813. rotating the rod; 40814. a second link; 40815. a first adjusting plate; 40816. a fourth spring; 40817. a second adjusting plate; 40818. a screw; 40819. a knob; 40820. a rack; 409. a power shaft; 410. a spiral protrusion; 411. a second discharge port; 412. a friction block; 413. a filter plate; 414. a second cutter; 415. a compression spring; 416. a second rotating shaft; 417. a counterbalance; 418. the slot is moved.

Detailed Description

The description of the present invention as to "first", "second", etc. is for descriptive purposes only, and not for purposes of particular ordinal or sequential meaning, nor for limitations, and is intended to distinguish between components or operations that are described in the same technical language, and is not intended to indicate or imply relative importance or imply the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.

Example 1

Referring to fig. 1-2, an embodiment of the present invention is shown: a preparation method of a flame-retardant breathable rubber track material comprises the following steps:

step 1: banburying raw materials for preparing the flame-retardant breathable rubber track to obtain mixed rubber;

step 2: vulcanizing the mixed rubber at high temperature to obtain vulcanized rubber;

and step 3: cutting and granulating the vulcanized rubber to obtain rubber particles;

and 4, step 4: and (4) screening the rubber particles according to a preset particle size requirement (screening to obtain the rubber particles meeting the preset particle size requirement). The rubber particles with the particle size larger than the preset particle size requirement are treated again until the particle size of the rubber particles meets the preset particle size requirement;

preferably, the method further comprises the following steps: and 5: leveling, cleaning, drying and paving a concrete layer on a planned field, coating a layer of viscous glue, mixing and stirring curing glue and the rubber particles according to a certain proportion, pouring the mixture on the ground, and compacting and leveling to obtain a runway;

the raw materials comprise: rubber raw materials, breathable additive materials and flame retardants.

Preferably, the banburying is to add one or a combination of more of various compounding agents such as an accelerator, a vulcanizing agent, an anti-aging agent, an anti-scorching agent and the like into the rubber raw material, wherein the compounding agents comprise solid, liquid and the like materials, and the added various compounding agents are uniformly dispersed to ensure the consistent properties of the rubber compound so as to improve the physical and mechanical properties of the rubber product.

Alternatively, the gas permeable additive may be a mixture of calcium carbonate, silica, carbon nanotubes and glass fibers. Or may refer to existing breathable rubber materials.

Preferably, the flame retardant can be composed of two or more of tris (2-chloroethyl) phosphate, tris (2-chloropropyl) phosphate, tris (2, 3-dichloropropyl) phosphate, dimethyl methylphosphonate, ammonium polyphosphate or triphenyl phosphate.

Preferably, in the banburying process, the compounding agents such as the rubber raw material, the flame retardant, the anti-aging agent, the scorch retarder and the like are banburied for 15-18min at 150 ℃, and then the accelerator and the breathable additive are added and banburied for 5min at 120 ℃.

Preferably, the anti-aging agent can be 2,2, 4-trimethyl-1, 2-dihydroquinoline polymer.

Preferably, the scorch retarder can be N-nitrosodiphenylamine.

Preferably, the vulcanizing agent can be selected from benzophenone tetracarboxylic dianhydride.

Preferably, the accelerator can be dibenzothiazyl disulfide.

Preferably, the vulcanized rubber is vulcanized rubber which has the characteristics of no stickiness, no easy breakage and the like, is also called as vulcanized rubber, forms a spatial three-dimensional structure in unvulcanized raw rubber, and has high elasticity, heat resistance, tensile strength, insolubility in an organic solvent and the like.

Preferably, step 1, step 2, step 3 and step 4 are all performed based on a rubber track material preparation device, and the rubber track material preparation device includes: base 1, banburying portion 2, vulcanization portion 3, cutting screening portion 4 are fixed in on the base 1, and turn left from the right side and arrange in proper order.

The working principle and the beneficial effects of the technical scheme are as follows: placing natural rubber and additives in a banburying part for banburying treatment, adding a breathable additive material and a flame retardant in the banburying process, ensuring the flame-retardant and breathable effect of the materials, effectively avoiding the phenomena of fire hazard of a runway, flatulence between a rubber laying layer and the ground and the like, enabling the rubber and various additives to be uniformly fused by the banburying treatment, preparing for next vulcanization, vulcanizing part 3 vulcanizing the processed mixed rubber in the banburying part 2 at a certain temperature and under a certain pressure to enhance the property of the rubber material, finally placing the vulcanized rubber in a cutting and screening part 4, cutting, granulating and screening, ensuring that the rubber particles meet the use of the runway, and arranging the banburying part 2, the vulcanizing part 3 and the cutting and screening part 4 in sequence according to the production sequence of the rubber particles, and improving the production efficiency of the rubber particles.

Example 2

Referring to fig. 2, on the basis of the above embodiment 1, the internal mixing section 2 includes an internal mixing section main body 203, the internal mixing section main body 203 is fixed on the base 1, a first feeding hole 205 is arranged above the internal mixing section main body 203, an air outlet 206 and a first discharging hole 208 are arranged on the side of the internal mixing section main body 203, and the internal mixing section main body 203 is connected to the air pump 201 through an air inlet pipe 202.

Preferably, a plurality of mixing rollers 207 are connected inside the mixing part main body 203 through a plurality of first rotating shafts 204, the first rotating shafts 204 correspond to the mixing rollers 207 one by one, and the mixing rollers 207 can be driven by the first rotating shafts 204 driven by a motor; specifically, one of the first rotating shafts 204 is a driving shaft and is driven by a driving motor, and the other first rotating shafts 204 and the driving shaft are driven to rotate through gear or belt transmission;

the air pump 201 is fixed on the base 1.

The working principle and the beneficial effects of the technical scheme are as follows: a plurality of banburying rollers 207 that set up in banburying portion 2 are rotated by motor drive first pivot 204, banburying roller 207's rotation makes the natural rubber who gets into banburying portion main part 203 body by first feed inlet 205, the accelerant, the vulcanizing agent, anti-aging agent, material misce bene such as scorch retarder, at this in-process, receive in the banburying portion main part 203 and carry out oxygen by the inert protective gas of air pump 201 through intake pipe 202 input and isolate, make the banburying in-process because the high temperature oxidation falls to minimum to the influence of material, and pass through gas outlet 206 with the inside waste gas of banburying portion main part 203 and discharge, the rubber products of having avoided producing have unpleasant smell.

Example 3

Referring to fig. 2, on the basis of embodiment 2, the vulcanizing section 3 includes a supporting column 301, a lower end of the supporting column 301 is fixed on the base 1, an upper end of the supporting column 301 is fixed with a fixing plate 302, and a vulcanizing top plate 305, a vulcanizing mold 308, and a vulcanizing bottom plate 309 are sequentially disposed between the fixing plate 302 and the base 1 from top to bottom.

Preferably, a hydraulic cylinder 303 is fixed on the fixed plate 302, the hydraulic cylinder 303 is connected to the vulcanized top plate 305 through a connecting rod 304, the vulcanized top plate 305, the vulcanized mold 308 and the vulcanized bottom plate 309 are all connected to the supporting column 301 through a connecting ring 307, and the vulcanized top plate 305 is slidably connected to the supporting column 301;

the upper side of the vulcanization mould 308 is provided with a positioning protrusion 306 for matching and positioning with the vulcanization top plate 305.

The working principle and the beneficial effects of the technical scheme are as follows: the vulcanisation mold 308 is fixed to the supporting column 301, by means of the coupling ring 307, and is positioned above the vulcanisation bottom plate 309, and is contacted with a vulcanization bottom plate 309, and a cavity formed by a vulcanization mold 308 and the vulcanization bottom plate 309 is positioned at the oblique lower part of the first discharge hole 208, so that the mixed rubber can directly enter a vulcanization position, because the vulcanizing mold 308 is a box structure with no bottom at the upper and lower parts and a frame at the periphery, the vulcanized top plate 305 is driven downwards by the hydraulic cylinder 303 through the connecting rod 304, the vulcanized top plate 305 and the vulcanized bottom plate 309 respectively serve as the upper bottom plate and the lower bottom plate of the vulcanizing mold 308, under the action of the hydraulic cylinder 303, a closed space with a certain pressure is formed among the vulcanized top plate 305, the vulcanized mold 308 and the vulcanized bottom plate 309, the vulcanization condition of the mixed rubber is met, the positioning bulge 306 is arranged and matched with the groove arranged on the vulcanized top plate 305 above, and the frequent matching accuracy of the vulcanized top plate 305 and the vulcanized mold 308 is ensured.

Example 4

Referring to fig. 2 to 3, on the basis of the above embodiment 2 or 3, the cutting and screening portion 4 includes:

the device comprises a cutting and screening part shell 401, a second feeding hole 402, a cutting plate 403, a conveying wheel 404, a first cutting knife 405, a motor mounting bin 406, a motor 407, a protective device 408, a power shaft 409, a spiral protrusion 410, a second discharging hole 411, a friction block 412, a filter plate 413, a second cutting knife 414, a compression spring 415, a second rotating shaft 416, a balance block 417 and a moving groove 418;

the cutting and screening part shell 401 is fixed on the base 1, the second discharge hole 411 is arranged at the lower end of the cutting and screening part shell 401, a motor mounting bin 406 is arranged in the cutting and screening part shell 401, the motor mounting bin 406 is conical, the motor 407 is fixed in the motor mounting bin 406, the output end of the motor 407 is connected with the power shaft 409, and the second cutting knife 414 and the spiral protrusion 410 are sequentially fixed on the power shaft 409 from top to bottom;

the cutting and screening part shell 401 is internally provided with the filter plate 413, the periphery of the filter plate 413 is fixed with the cutting and screening part shell 401, the power shaft 409 penetrates through the filter plate 413, and the filter plate 413 is provided with a plurality of holes;

the second cutting knife 414 is located above the filter plate 413, the spiral protrusion 410 is located below the filter plate 413, the friction block 412 is fixed at the center below the filter plate 413, and the friction block 412 is in contact with the spiral protrusion 410;

the second feed inlet 402 is arranged at the upper end of the cutting and screening part shell 401, a cutting plate 403 is fixed in the cutting and screening part shell 401, and the cutting plate 403 is flush with the lower edge of the second feed inlet 402;

a conveying wheel 404 and a first cutting knife 405 are arranged in the cutting and screening part shell 401, the conveying wheel 404 is close to the second feeding hole 402, and the first cutting knife 405 is positioned on one side, far away from the second feeding hole 402, of the conveying wheel 404;

the second rotating shaft 416 is rotatably connected with the inner wall of the cutting and screening part shell 401, the conveying wheel 404 is fixed on the second rotating shaft 416, the balance block 417 is sleeved outside the second rotating shaft 416, the balance block 417 is positioned in the moving groove 418, and the balance block 417 is connected with the moving groove 418 through the pressing spring 415;

the moving groove 418 is provided on the inner wall of the housing 401 of the sieving and cutting section.

The working principle and the beneficial effects of the technical scheme are as follows: vulcanized rubber obtained by vulcanization in the vulcanization part 3 enters the cutting and screening part 4 from the second feed port 402, the conveying wheel 404 enters the cutting and screening part 4, a second rotating shaft 416 fixed on the conveying wheel 404 is connected in a moving groove 418 through a pressing spring 415 and a balance block 417, the conveying wheel 404 keeps certain pressure on the vulcanized rubber entering from the second feed port 402 under the pressure of the pressing spring 415, the friction force between the conveying wheel 404 and the rubber is always ensured, the vulcanized rubber smoothly enters by the friction force between the conveying wheel 404 and the rubber under the rotation of the conveying wheel 404, the vulcanized rubber entering the cutting and screening part 4 is cut into strips under the matching action of the cutting plate 403 and the first cutting knife 405, then the strips of vulcanized rubber are cut into granules under the rotation of the second cutting knife 414 driven by the motor 407 through the power shaft 409, the granular rubber falls on the filter plate 413, less than the granule that the trompil diameter was gone up to the filter 413 and pass through, and be greater than the granule that the trompil diameter was gone up to the filter 413 and shake on the filter 413 under the effect of spiral protrusion 410 rotation, cooperation clutch blocks 412, the second cutting knife 414 continues to cut the rubber of big granule once more, guarantees the granule size, collects the rubber granule through second discharge gate 411 at last.

Example 5

Referring to fig. 4, on the basis of any one of the above embodiments 2-4, the output end of the motor 407 is connected to the power shaft 409 through the protection device 408, and the protection device 408 includes:

a first connecting plate 40801, a second connecting plate 40802, a third connecting plate 40803, a third spring 40804, a first connecting rod 40805, a trapezoidal block 40806, a fixing plate 40807, a first chute 40808, a first sliding bar 40809, an adjusting piece 40810, a gear 40811, a gear shaft 40812, a rotating rod 40813, a second connecting rod 40814, a first adjusting plate 40815, a fourth spring 40816, a second adjusting plate 40817, a screw 40818, a knob 40819, and a rack 40820;

the lower end edge position of the power shaft 409 is fixed with two first connecting plates 40801, the two first connecting plates 40801 are respectively fixed with two second connecting plates 40802, a third connecting plate 40803 is arranged between the two second connecting plates 40802, and a third spring 40804 is connected between the third connecting plate 40803 and the second connecting plates 40802;

the lower part of the second connecting plate 40802 is hinged to the adjusting part 40810 through the first connecting rod 40805, the fixing plate 40807 is fixed on the upper surface of the adjusting part 40810, the first sliding groove 40808 is arranged on the fixing plate 40807, the trapezoidal block 40806 is fixed below the third connecting plate 40803, the rack 40820 is fixed at the lower end of the trapezoidal block 40806, and the trapezoidal block 40806 is slidably connected in the first sliding groove 40808 through the first sliding rod 40809;

the rack 40820 is engaged with the gear 40811, the gear 40811 is rotatably connected to the fixing plate 40807 through the gear shaft 40812, the rotating rod 40813 is fixed on the gear 40811, the lower end of the rotating rod 40813 is hinged to one end of the second link 40814, the other end of the second link 40814 is hinged to the first adjusting plate 40815, the first adjusting plate 40815 is disposed in the adjusting member 40810, one side of the first adjusting plate 40815 is fixed to one end of the fourth spring 40816, the other end of the fourth spring 40816 is fixed to one side of the second adjusting plate 40817, the other side of the second adjusting plate 40817 is connected to the screw 40818, the screw 40818 extends out of the adjusting member 40810, the screw 40818 is connected to the adjusting member 40810 through a screw thread, and the knob 40819 is fixed to the screw 40818 outside the adjusting member 40810.

The working principle and the beneficial effects of the technical scheme are as follows: in the process that the power shaft 409 drives the second cutting knife 414 to rotate, the second cutting knife 414 cuts rubber to generate external force on the power shaft 409, and in order to avoid the influence of the additional force on the motor 407, a protection device 408 is arranged to effectively protect the motor 407 connected with the power shaft 409;

when the second cutting knife 414 cuts rubber, in addition to the dead weight generating a downward pressure on the power shaft 409, a larger horizontal force is generated relative to the power shaft 409, since the power shaft 409 belongs to a rigid body, and the power shaft 409 is fixed with the motor 407, and the horizontal force is further transmitted to the motor 407, in order to avoid accidents of the motor 407 under the action of the horizontal force, at this time, since the power shaft 409 is fixed with the second connecting plate 40802 through the first connecting plate 40801, the first spring 40804 is pulled or pressed to counteract the trend of the relative movement, so that the trapezoidal block 40806 fixed on the third connecting plate 40803 slides within the limit range of the first chute 40808, since the teeth at the lower end of the trapezoidal block 40806 are meshed with the gear 40811, during the movement of the trapezoidal block 40806, the gear 40811 rotates around the gear shaft 40812, and the rotating rod 40813 rotates the same, and the second connecting rod 40814 connected with the lower end of 40813 moves along with the second connecting rod 40814, the first adjusting plate 40815 compresses or stretches the second spring 40816 to reduce the influence of external force on the elevator camera;

and the second adjusting plate 40817, the screw 40818 and the knob 40819 which are arranged at the other end of the second spring 40816 drive the screw 40818 to rotate by rotating the knob 40819, because of the threaded connection between the screw 40818 and the adjusting piece 40810, when the screw 40818 rotates relative to the adjusting piece 40810, the screw 40818 drives the first adjusting plate 40815 to move, the distance between the second adjusting plate 40817 and the first adjusting plate 40815 is changed, the initial length of the second spring 40816 is changed, that is, the initial force of the second spring 40816 is changed, the protection action range of the protection device 408 is adjusted according to the actual cutting conditions, so as to better protect the motor 407.

Example 6

Referring to fig. 5 to 8, on the basis of the above embodiment 4, the first feeding hole 205 is further provided with a dust-proof device 209, and the dust-proof device 209 is connected with the first feeding hole 205;

the dust-proof device 209 includes:

the dustproof cover 20901, a first fixed shell 20902, a supporting rod 20903, a rotating shaft 20904, a rotating supporting rod 20905, a power shaft sleeve 20906, a rack 20907, a gear shaft 20908, a limiting block 20909, a clamping shell 20910, a button 20911, a first connecting rod 20912, a first hinge shaft 20913, a second connecting rod 20914, a second hinge shaft 20915, a clamping rod 20916, a third hinge shaft 20917, a first spring 20918, a fixed partition plate 20919 and a second spring 20920;

the first fixed shell 20902 is fixed to the first feed port 205, the supporting rod 20903 is fixed in the first fixed shell 20902, the upper end of the supporting rod 20903 is connected with the rotary supporting rod 20905, and the rotary supporting rod 20905 is rotatably connected with the upper end of the supporting rod 20903 through the rotating shaft 20904;

the upper end of the rotating supporting rod 20905 penetrates through the first fixed shell 20902, the upper end of the rotating supporting rod 20905 is fixed with the dust cover 20901, the dust cover 20901 is located above the upper surface of the first feed port 205, the position, close to the connecting position with the rotating supporting rod 20905, of the dust cover 20901 is connected with one end of the rack 20907, the other end of the rack 20907 is fixed with the limiting block 20909, the rack 20907 penetrates through the first fixed shell 20902, the rack 20907 is arc-shaped, and the circle center of the rack 20907 is overlapped with the rotating shaft 20904;

the power shaft sleeve 20906 is fixed on the supporting rod 20903, the fixed partition plate 20919 is fixed inside the power shaft sleeve 20906, two sides of the fixed partition plate 20919 are fixed with one end of the second spring 20920, the other end of the second spring 20920 is fixed at one end of the gear shaft 20908, the gear shaft 20908 is sleeved in the power shaft sleeve 20906, and a toothed end of the gear shaft 20908 is meshed with the rack 20907;

the position-locking shell 20910 is further fixed at the edge of the first feeding hole 205 opposite to the first fixed shell 20902, the position-locking rod 20916 is hinged to the position-locking shell 20910 through the third hinge shaft 20917, one end of the position-locking rod 20916 extends out of the position-locking shell 20910 and is connected to the dust-proof cover 20901, the other end of the position-locking rod 20916 is hinged to the second link 20914 through the second hinge shaft 20915, the second link 20914 is hinged to the first hinge shaft 20913 with the first link 20912, the first hinge shaft 20913 is connected to the position-locking shell 20910 through the first spring 20918, and one end of the first link 20912 extending out of the position-locking shell 20910 is fixed with the button 20911.

The working principle and the beneficial effects of the technical scheme are as follows: in the use process of the internal mixing part 2, dust inevitably enters the internal mixing part 2 through the first feeding hole 205 to influence the quality of rubber products, and in order to avoid the influence of the dust on the quality of the rubber products, the first feeding hole 205 is provided with a dustproof device 209;

when the first feed opening 205 of the ordinary internal mixing part 2 is stopped, the dust cover 20901 covers the top surface of the electronic watch, and one end of the locking rod 20916 extending out of the locking shell 20910 is connected to the dust cover 20901, so as to ensure that the dust cover 20901 covers the first feed opening 205;

when the first feed port 205 of the internal mixing part 2 is used, the button 20911 is pressed, the first connecting rod 20912 is stressed to drive the second connecting rod 20914 to compress the first spring 20918, so that the second connecting rod 20914 rotates to drive the blocking rod 20916 to rotate around the third hinge shaft 20917, the tail end of the blocking rod 20916 rotates into the blocking shell 20910 and is separated from the dust cover 20901, at the moment, the gear shaft 20908 rotates relative to the power shaft sleeve 20906 under the action of the energy storage elasticity of the second spring 20920 to drive the rack 20907 to rotate around the rotating shaft 20904, and further drive the dust cover 20901 fixed with the rack 20907 to rotate and separate from the first feed port 205;

the arrangement of the second spring 20920 in the scheme reduces the workload on operators in the opening process, the rotating shaft 20904, the rack 20907 and the gear shaft 20908 are matched for use, so that the opening and closing path of the dustproof cover 20901 is limited, the dustproof cover is opened and closed again in the limitation process, the service life of the dustproof cover 20901 is prolonged (the sealing state can be ensured in the closing process), and the arrangement of the limit block 20909 ensures that the dustproof cover 20901 is in a vertical state under the condition of the maximum opening and closing angle, so that the interference of dust is reduced as much as possible;

after use, the dust cover 20901 is pressed to make the dust cover 20901 contact with the detent lever 20916 to cover the first feed opening 205 and keep the dust-proof state.

Example 7

On the basis of the above embodiment 4, the early warning device for the state of the pressing spring 415 is further included, and the early warning device for the state of the pressing spring 415 includes:

a displacement sensor, disposed between the pressing spring 415 and the moving groove 418, for detecting a displacement of one end (upper end in fig. 3) of the balance weight 417 to which the pressing spring 415 is disposed;

a force sensor disposed between the pressing spring 415 and the moving groove 418 (specifically, a contact surface between the pressing spring 415 and the moving groove) for detecting a pressure between the pressing spring 415 and the moving groove 418;

a counter that records the number of times the hold-down spring 415 is compressed;

the alarm is positioned on the base 1;

the controller, the controller respectively with displacement sensor, force transducer, counter and alarm electric connection, the controller is based on displacement sensor, force transducer, counter control the alarm work includes:

step 1: the controller derives a reliability index for the hold-down spring 415 based on the force sensor and equation (1):

wherein the content of the first and second substances,the reliability index of the compression spring 415 is shown, D is the diameter of the compression spring 415, D is the diameter of a spring wire of the compression spring 415, G is the elastic modulus of the material of the compression spring 415, F is the average value of the pressure applied to the compression spring 415 when the compression spring 415 is compressed (the average value of detection values detected for a plurality of times when the compression spring is compressed), pi is the circumferential rate, and the value is 3.14, and ln is the logarithm taking the natural constant e as the base;

step 2: the controller calculates the hold down spring 415 state index based on the displacement sensor, counter and equation (2):

where δ is a state index of the pressing spring 415, T is a curvature coefficient of the pressing spring 415, i is a coefficient for correcting the influence of the degree of bending of the spring on the stress, and l is_iThe length of the compression spring 415 compressed for the ith time detected by the displacement sensor, L is the length of the compression spring 415 compressed at the limit (no plastic deformation occurs under the compressed length), σ is the poisson's ratio of the material of the compression spring 415, m is the number of times the compression spring 415 is compressed recorded by the counter, e is a natural constant, the value is 2.72, and K is the precision coefficient of the displacement sensor;

when the state index of the compression spring 415 exceeds the corresponding preset reference value range, the controller controls an alarm to give an alarm.

In the formula (I), the compound is shown in the specification,indicating an index of influence of the hold-down spring 415 on the base reliability index of the hold-down spring 415 based on the external force to which the hold-down spring 415 is subjected and the specification of the hold-down spring itself,an index showing the influence of the diameter of the pressing spring 415 itself and the diameter of the wire on the reliability index thereof,indicating the influence of the relationship between the ultimate compression length of the hold-down spring 415 and the amount of compression per pass on the state index of the hold-down spring 415 based on the number of compressions,indicating the ratio of the effect of pressure, diameter, material on the state index of the hold-down spring 415,indicating that the state index of the pressing spring 415 is corrected based on the accuracy factor of the displacement sensor or the like,indicating the base state index of the hold down spring 415.

Assuming that the diameter D of the pressure spring 415 is 20mm, the diameter D of the wire of the pressure spring 415 is 5mm, the elastic modulus G of the material of the pressure spring 415 is 200000MPa, the average value F of the pressure applied to the pressure spring 415 when the pressure spring 415 is compressed, which is detected by the force sensor, is 5N, and the reliability index of the pressure spring 415 is calculated

The curvature coefficient T of the pressing spring 415 is 1.2, and the displacement sensor detects the length l of the pressing spring 415 compressed in 10 times₁＝20.05mm、l₂＝20.03mm、l₃＝19.94mm、l₄＝20.04mm、l₅＝19.97mm、l₆＝19.96mm、l₇＝19.99mm、l₈＝19.95mm、l₉＝20.03mm、l₁₀The limit compression length L of the compression spring 415 is 50mm, the poisson ratio σ of the material of the compression spring 415 is 0.3, the number of times m that the compression spring 415 is compressed, which is recorded by the counter, is 10, the precision coefficient K of the displacement sensor is 0.99, the state index δ of the compression spring 415, which is obtained by calculation, is 0.411 (three decimal places are taken), and the obtained compression spring 415 is obtained by calculationThe state index delta of the spring 415 is not 0.411 which is not beyond the preset reference value range 0-1, and the controller does not need to control the alarm to give an alarm prompt.

The beneficial effects of the above technical scheme are: the reliability index of the pressing spring 415 is calculated by arranging a force sensor for detecting the pressure between the pressing spring 415 and the moving groove 418 and the formula 1, meanwhile, a displacement sensor is arranged for detecting the displacement of the pressing spring 415 arranged at one end of the balance block 417, a counter is arranged for recording the number of times of the pressing spring 415 being compressed, then the state index of the pressing spring 415 can be calculated according to the calculation result of the formula 1, the displacement of the pressing spring 415 arranged at one end of the balance block 417 which is detected by the displacement sensor, the number of times of the pressing spring 415 being compressed which is recorded by the counter and the formula 2, when the state index of the pressing spring 415 exceeds the preset reference value range, the controller controls an alarm to give an alarm to inform relevant staff of overhauling equipment, in order to avoid the accident, report to the police through setting up the controller control alarm, in time inform relevant staff to overhaul, increased the intellectuality of device.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.