阅读说明：本技术 一种高稳定性公路路基施工装置 (High stability highway subgrade construction equipment ) 是由 樊文彪 李志军 王文武 于 2021-09-17 设计创作，主要内容包括：本发明公开了一种高稳定性公路路基施工装置,属于路基施工技术领域。本发明采用空心圆柱压辊,内部设置两层限位板进行配重设置,限位板限制在压辊内部呈相互转动关系,沿限位板外侧固定一个同频振荡机构,在压辊中部对称设置两个第一转轴,两个第一转轴穿个该侧的限位板和同频振荡机构,利用第一转轴控制同频振荡机构工作产生一个定向的振动频率传递到限位板上,进而实现压辊在转动时的振动,两个第一转轴相交于压辊中心,就在两个第一转轴相交处围绕其设置稳压调节机构,该稳压调节机构可控制压辊两侧的结构交错摆放,让压辊重心向中心聚拢,形成稳定,在压辊重心偏向中心和轴线的调节过程中,也实现了静压和振荡功能的转换。(The invention discloses a high-stability highway subgrade construction device, and belongs to the technical field of subgrade construction. The invention adopts a hollow cylindrical compression roller, two layers of limiting plates are arranged in the compression roller for counterweight arrangement, the limiting plates are limited in the compression roller to be in mutual rotation relation, a same-frequency oscillating mechanism is fixed along the outer side of the limiting plates, two first rotating shafts are symmetrically arranged in the middle of the press roll, penetrate through the limiting plate and the same-frequency oscillating mechanism on the side, and are used for controlling the same-frequency oscillating mechanism to work to generate a directional oscillating frequency to be transmitted to the limiting plate, thereby realizing the vibration of the compression roller during rotation, the two first rotating shafts are intersected at the center of the compression roller, a pressure stabilizing and adjusting mechanism is arranged around the intersection of the two first rotating shafts, the pressure stabilizing and adjusting mechanism can control the structures at the two sides of the press roller to be placed in a staggered way, so that the gravity center of the press roller is gathered to the center to form stability, during the adjustment process of the gravity center deviation of the compression roller to the center and the axis, the conversion of the static pressure and the oscillation functions is also realized.)

1. The utility model provides a high stability highway subgrade construction equipment which characterized in that: comprises a compression roller (1) with a hollow cylindrical structure, the left end and the right end of the compression roller (1) are communicated with the outside, a plurality of fixed seats (2) are welded at the position of a pipe orifice in an annular shape at equal intervals, sealing plates (3) fixed on the fixed seat (2) through screws are arranged at the left end and the right end of the compression roller (1), a support rod (4) is welded in the middle of the sealing plate (3) in a protruding way, a limit hole (5) communicated with the interior of the compression roller (1) is arranged in the middle of the support rod (4), the inner part of the limiting hole (5) of the supporting rod (4) is connected with a first rotating shaft (6) through a bearing, the left and right first rotating shafts (6) are mutually close and rotatably connected, the first rotating shaft (6) is sleeved with a limiting plate (7), the outer end face of the limiting plate (7) is fixed with a same-frequency oscillation mechanism (8), and the joint of the left rotating shaft and the right rotating shaft (6) is provided with a voltage stabilizing and adjusting mechanism (9).

2. The high stability road bed construction device of claim 1, wherein: the same-frequency oscillation mechanism (8) comprises a box body (801) fixed on the outer side of a limiting plate (7), the front end and the rear end of the box body (801) are of cylindrical structures and are provided with a circular limiting groove (802) communicated with the outside, a first rotating shaft (6) penetrates through the middle of the box body (801) and is rotatably connected with the box body, a second rotating shaft (803) is arranged inside the box body (801) in a symmetrical mode around the front portion and the rear portion of the box body, and a third rotating shaft (804) which is right opposite to the circular limiting groove (802) is arranged on the outer side of the second rotating shaft (803).

3. The high stability road bed construction device of claim 2, wherein: the driving wheel A (805) and the gear A (806) are sequentially sleeved on the second rotating shaft (803), the gear B (807) which is simultaneously meshed with the two gears A (806) is sleeved on the first rotating shaft (6), the driving wheel B (808) is sleeved on the third rotating shaft (804) in a position parallel to the driving wheel A (805), the driving wheel A (805) and the driving wheel B (808) are connected in a friction fit mode through a driving belt, the third rotating shaft (804) penetrates through the box body (801) and extends to the interior of the circular limiting groove (802) and is rotatably connected with the circular limiting groove (802), and the fan-shaped oscillating wheel (809) is sleeved on the outer wall of the inner position of the circular limiting groove (802) of the third rotating shaft (804).

4. The high stability road bed construction device of claim 3, wherein: the pressure stabilizing adjusting mechanism (9) comprises a guide rod (901) and an air cylinder (902), the guide rod (901) and the cylinder (902) are longitudinally arranged in the middle of the compression roller (1) and are arranged in a front-back symmetrical structure along the first rotating shaft (6), the guide rod (901) and the cylinder (902) are both arranged in the compression roller (1) through a supporting seat and point to the first rotating shaft (6), fixed ring (903) has been cup jointed on the outer wall of first pivot (6) inner, controls two fixed ring (903) and is connected with gag lever post (904) downwards respectively and upwards, left gag lever post (904) bottom is connected with first backup pad (905) fixed with left side limiting plate (7), and right side gag lever post (904) top is connected with second backup pad (906) fixed with right side limiting plate (7), and left gag lever post (904) and first backup pad (905) are central symmetrical structure setting with gag lever post (904) and second backup pad (906) on right side.

5. The high stability road bed construction device of claim 4, wherein: the guide rod (901) comprises a loop bar (907), a piston (908) and a sliding rod (909), the piston (908) is arranged inside the loop bar (907) and is fixedly connected with the sliding rod (909), the sliding rod (909) penetrates out of the loop bar (907) and is in sliding connection with the loop bar, a sealing rubber sleeve is sleeved on the outer wall of the piston (908), the piston (908) is hollow, exhaust holes (910) are formed in the front end and the rear end of the piston (908) at equal intervals in an annular mode, a plurality of staggered exhaust partition plates (911) are stacked inside the piston (908), and a sealing gasket (912) is arranged on the rear end face of the piston (908) in a fitting mode.

6. The high stability road bed construction device of claim 5, wherein: the limiting rod (904) is sleeved with two baffles (913), an annular sliding block (914) is arranged between the two baffles (913) in a sliding mode through the limiting rod (904), the end portion of the sliding rod (909) and the end portion of the air rod of the air cylinder (902) are respectively connected with a connecting rod (915) which is arranged obliquely, and the connecting rods (915) are respectively connected with the pointed sliding blocks (914) in a rotating mode.

Technical Field

The invention relates to the technical field of roadbed construction, in particular to a high-stability highway roadbed construction device.

Background

The roadbed filling construction process generally organizes construction according to three-stage, four-section and eight-process construction processes, a central line and side lines are arranged before each layer of roadbed filling construction, then marking rods and construction ropes are arranged on two sides to control the laying thickness, a lime square grid is arranged on a laid road section to control the laying amount, and then a road roller is used for compacting.

The subgrade laying is to divide a roadbed layer and a pavement layer to different degrees, and the compaction requirements of construction requirements are different. Vibratory road roller equipment is needed in the process of compacting the multilayer paved earthwork in the early stage, and the effect is achieved through high-frequency oscillation pressurization; the latter stages of road paving, including asphalt compaction, require the use of low frequency vibratory or static pressure equipment. Therefore, in the road paving process, a plurality of road pressing devices are needed only by compacting the roadbed, and common road rollers are distinguished by devices according to compaction frequency and are alternately used in the road paving process. The roadbed compaction equipment can damage the road surface due to the vibration effect of the roadbed compaction equipment when the roadbed compaction equipment travels on the common road surface.

The existing common vibratory roller equipment adopts the irregular structural layout in the power box roller with the rotating roller to ensure that the vibration frequency is generated in the advancing process of the roller. And the high-low vibration frequency adjusting function is lacked, and in the highway construction process, the aim that single equipment has the functions of high efficiency, stability and multiple application ranges is fulfilled, so that the compression roller is improved, and the high-stability highway subgrade construction device is provided, can be freely switched between static pressure and vibration, and is adjustable in vibration frequency.

Disclosure of Invention

The invention aims to provide a high-stability highway subgrade construction device for solving the problems that the compaction oscillation frequencies of the prior subgrade before and after laying are different, and the equipment switching is complicated and low in efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a high stability highway subgrade construction equipment, includes the compression roller of cavity cylinder structure, both ends and outside intercommunication and be annular equidistant welding at the mouth of pipe position have a plurality of fixing bases about the compression roller, both ends are equipped with the closing plate through the fix with screw on the fixing base about the compression roller, the outside protruding welding in closing plate middle part has the bracing piece, the spacing hole with the inside intercommunication of compression roller is seted up at the bracing piece middle part, the spacing downthehole portion of bracing piece is connected with first pivot through the bearing, controls two first pivot is close to each other and swivelling joint, the limiting plate has been cup jointed in the first pivot, be fixed with same frequency oscillation mechanism on the outer terminal surface of limiting plate, control two first pivot junction is equipped with steady voltage adjustment mechanism.

Preferably, the same-frequency oscillation mechanism comprises a box body fixed on the outer side of the limiting plate, the front end and the rear end of the box body are cylindrical structures and are provided with circular limiting grooves communicated with the outside, the first rotating shaft penetrates through the middle of the box body and is rotatably connected with the middle of the box body, second rotating shafts are symmetrically arranged around the front portion and the rear portion of the box body, and third rotating shafts opposite to the circular limiting grooves are arranged on the outer side of the second rotating shafts.

Preferably, drive wheel A and gear A have cup jointed in proper order in the second pivot, cup joint simultaneously with two gear A simultaneously engaged with gear B in the first pivot, drive wheel B has been cup jointed to the position that is on a parallel with drive wheel A in the third pivot, drive wheel A is connected through drive belt friction fit with drive wheel B, the third pivot is worn out the box and is extended to circular spacing inslot portion and is connected rather than rotating, the third pivot has cup jointed on the outer wall of circular spacing inslot portion position and is fan-shaped oscillating pulley.

Preferably, steady voltage adjustment mechanism includes guide bar, cylinder, symmetrical structure setting around the compression roller middle part and along first pivot is vertically located to the guide bar and cylinder, the guide bar all is installed at the inside and directional first pivot of compression roller through the supporting seat with the cylinder, cup jointed solid fixed ring on the inner outer wall of first pivot, about two solid fixed ring respectively downwards and upwards be connected with the gag lever post, left the gag lever post bottom is connected with the first backup pad fixed with the left side limiting plate, and the right side the gag lever post top is connected with the second backup pad fixed with the right side limiting plate, and left gag lever post and first backup pad are central symmetrical structure setting with gag lever post and the second backup pad on right side.

Preferably, the guide bar includes loop bar, piston, slide bar, the piston is located loop bar inside and fixed with slide bar connection, the slide bar is worn out by loop bar inside and rather than sliding connection, piston outer wall cover is equipped with the sealing rubber cover, both ends all are the equidistant exhaust hole that is equipped with of annular around the inside cavity of piston, inside stacking of piston has a plurality of misplacements to place the exhaust baffle, the laminating of piston rear end face sets up sealed pad.

Preferably, the limiting rod is sleeved with two baffles, an annular sliding block is arranged between the two baffles in a sliding mode, the end portion of the sliding rod and the end portion of the air rod of the air cylinder are respectively connected with a connecting rod which is arranged in an inclined mode, and the connecting rod is respectively connected with the sliding block which points to the connecting rod in a rotating mode. .

Compared with the prior art, the invention provides a high-stability highway subgrade construction device which has the following beneficial effects:

(1) the invention adopts a hollow cylindrical compression roller, two layers of limiting plates are arranged in the compression roller for counterweight arrangement, the limiting plates are limited in the compression roller to be in mutual rotation relation, a same-frequency oscillating mechanism is fixed along the outer side of the limiting plates, two first rotating shafts are symmetrically arranged in the middle of the press roll, penetrate through the limiting plate and the same-frequency oscillating mechanism on the side, and are used for controlling the same-frequency oscillating mechanism to work to generate a directional oscillating frequency to be transmitted to the limiting plate, thereby realizing the vibration of the compression roller during rotation, the two first rotating shafts are intersected at the center of the compression roller, a pressure stabilizing and adjusting mechanism is arranged around the intersection of the two first rotating shafts, the pressure stabilizing and adjusting mechanism can control the structures at the two sides of the press roller to be placed in a staggered way, so that the gravity center of the press roller is gathered to the center to form stability, during the adjustment process of the gravity center deviation of the compression roller to the center and the axis, the conversion of the static pressure and the oscillation functions is also realized.

(2) The rotating speed of the second rotating shaft is improved by utilizing the meshing relationship of the gear A and the gear B, the third rotating shaft and the second rotating shaft realize synchronous rotation through the friction fit relationship of the driving wheel A and the driving wheel B with the driving belt, so that the third rotating shaft drives the oscillating wheel to rotate at high speed, the center of gravity of the oscillating wheel is continuously changed in the rotating process of the oscillating wheel in a fan-shaped structure to generate fluctuation in the vertical direction, and the plurality of oscillating wheels rotate at high speed in the same direction to drive the press roll and the whole structure to generate oscillation.

(3) The invention utilizes the splicing and matching of two fixing rings to realize the mutual reverse rotation, the position of two fixed baffles between the baffles on the fixing rings is provided with a slide block, the slide block is limited by the two baffles and can only slide in a limiting way, a connecting rod connected with a cylinder arranged in the horizontal direction in a downward inclined way is connected with the slide block on the left side in a rotating way, the slide block on the left side is attached to the baffle on the adjacent upper side, the connecting rod connected with a guide rod in an upward inclined way is connected with the slide block on the right side in a rotating way, the slide block below the cylinder is controlled to slide up and down by the expansion and contraction of the cylinder, the inclination angle of the connecting rod connected in the moving process of the slide block is changed to deflect, and the limiting plates on the two sides on the left side synchronously rotate reversely to realize the angle deflection.

(4) The guide rod comprises a loop bar and a slide bar, the slide bar is inserted into the loop bar and can slide in a telescopic mode, a piston attached to the inner wall of the loop bar is arranged at the inner end of the slide bar, sliding resistance is increased, the openings in the front face and the rear face of the piston are hollow, sliding resistance is reduced, a plurality of exhaust clapboards are arranged in the exhaust clapboards in a staggered mode, the piston is ventilated, the ventilation effect is reduced, pressure stabilizing control can be completed, and sliding adjustment can be guaranteed.

Drawings

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic top view of the platen of the present invention;

FIG. 3 is a schematic front sectional view of the press roll of the present invention;

FIG. 4 is a schematic top view of the limiting plate and the top of the case of the present invention;

FIG. 5 is a schematic diagram of a disassembled structure of the pressure stabilizing adjustment mechanism of the present invention;

FIG. 6 is a front sectional view of the guide bar of the present invention;

fig. 7 is a front sectional view of the guide bar of the present invention.

Description of the figure numbers: 1. a compression roller; 2. a fixed seat; 3. a sealing plate; 4. a support bar; 5. a limiting hole; 6. a first rotating shaft; 7. a limiting plate; 8. a common-frequency oscillation mechanism; 801. a box body; 802. a circular limiting groove; 803. a second rotating shaft; 804. a third rotating shaft; 805. a transmission wheel A; 806. a gear A; 807. a gear B; 808. a transmission wheel B; 809. an oscillation wheel; 9. a pressure stabilizing adjustment mechanism; 901. a guide bar; 902. a cylinder; 903. a fixing ring; 904. a limiting rod; 905. a first support plate; 906. a second support plate; 907. a loop bar; 908. a piston; 909. a slide bar; 910. an exhaust hole; 911. an exhaust separator plate; 912. a gasket; 913. a baffle plate; 914. a slider; 915. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

please refer to fig. 1-3, a high stability highway subgrade construction equipment, compression roller 1 including hollow cylinder structure, both ends and outside intercommunication and in the mouth of pipe position annular equidistant welding have a plurality of fixing bases 2 about compression roller 1, both ends are equipped with the closing plate 3 through the fix with screw on fixing base 2 about compression roller 1, the outside protruding welding in closing plate 3 middle part has bracing piece 4, the spacing hole 5 with 1 inside intercommunication of compression roller is seted up at bracing piece 4 middle part, 5 insides of the spacing hole of bracing piece 4 are connected with first pivot 6 through the bearing, control two first pivot 6 and be close to each other and rotate the connection, limiting plate 7 has been cup jointed on first pivot 6, be fixed with same frequency oscillation mechanism 8 on the outer terminal surface of limiting plate 7, control two first pivot 6 junctions and be equipped with steady voltage adjustment mechanism 9.

The novel compression roller 1 is designed, has the functions of static pressure and oscillation, is used in the early and later periods of highway construction, and has stable performance; meanwhile, the compression roller 1 is not limited to be installed on a road roller.

The invention adopts a hollow cylindrical compression roller 1, two layers of limiting plates 7 are arranged in the compression roller 1 for counterweight arrangement, the limiting plates 7 are limited in the compression roller 1 to be in mutual rotation relation, a same-frequency oscillation mechanism 8 is fixed along the outer side of the limiting plates 7, two first rotating shafts 6 are symmetrically arranged in the middle of the compression roller 1, the two first rotating shafts 6 penetrate through the limiting plates 7 and the same-frequency oscillation mechanism 8 on the side, the first rotating shafts 6 are used for controlling the same-frequency oscillation mechanism 8 to work to generate a directional oscillation frequency to be transmitted to the limiting plates 7, further, the oscillation of the compression roller 1 during rotation is realized, the two first rotating shafts 6 are intersected at the center of the compression roller 1, a pressure stabilizing adjusting mechanism 9 is arranged around the intersection of the two first rotating shafts 6, the pressure stabilizing adjusting mechanism 9 can control the structures on the two sides of the compression roller 1 to be staggered, the gravity center of the compression roller 1 is gathered to form stability, and in the adjusting process of the gravity center of the compression roller 1 deviating to the center and the axis, the conversion of the static pressure and oscillation functions is also realized.

Example 2:

referring to FIGS. 3-4, the embodiment 1 is different from the above embodiments; the same-frequency oscillation mechanism 8 comprises a box body 801 fixed on the outer side of the limit plate 7, the front end and the rear end of the box body 801 are arranged in a cylindrical structure and are provided with a circular limit groove 802 communicated with the outside, the first rotating shaft 6 penetrates through the middle part of the box body 801 and is rotatably connected with the box body, a second rotating shaft 803 is symmetrically arranged in the box body 801 in a front-back mode around the inner side of the box body, and a third rotating shaft 804 right opposite to the circular limit groove 802 is arranged on the outer side of the second rotating shaft 803.

A driving wheel A805 and a gear A806 are sequentially sleeved on the second rotating shaft 803, a gear B807 which is simultaneously meshed with the two gears A806 is sleeved on the first rotating shaft 6, a driving wheel B808 is sleeved on the third rotating shaft 804 in a position parallel to the driving wheel A805, the driving wheel A805 and the driving wheel B808 are connected through a driving belt in a friction fit manner, the third rotating shaft 804 penetrates out of the box body 801 and extends to the inside of the circular limiting groove 802 and is rotationally connected with the circular limiting groove 802, and a fan-shaped oscillating wheel 809 is sleeved on the outer wall of the inner position of the circular limiting groove 802 of the third rotating shaft 804.

The invention relates to two boxes 801, the boxes 801 are horizontally arranged on a limit plate 7, oscillating wheels 809 arranged in a circular limit groove 802 on the boxes 801 are symmetrically arranged in front and back, and on the horizontal plane, the oscillating wheels 809 are connected with the inner part of the boxes 801 through a third rotating shaft 804, a first rotating shaft 6 penetrating through the boxes 801 can extend to the outer part of a press roll 1 and realize rotation after being connected to an external motor device, in the boxes 801, a second rotating shaft 803 arranged on the first rotating shaft 6 and the third rotating shaft 804 and a first rotating shaft 6 complete meshing transmission through the meshing relation of a gear A806 and a gear B807, wherein the gear B807 and the gear are larger than the gear A806, the gear A drives a pinion to complete speed increase, the rotating speed of the second rotating shaft 803 is improved, and the third rotating shaft 804 and the second rotating shaft 803 realize synchronous rotation through the friction fit relation of a driving wheel A805 and a driving wheel B808 and a driving belt, therefore, the third rotating shaft 804 drives the oscillating wheel 809 to rotate at a high speed, the oscillating wheel 809 is a fan-shaped structure, the center of gravity of the fan-shaped structure continuously changes in the rotating process and fluctuates in the vertical direction, and the oscillating wheels 809 all rotate at a high speed in the same direction to drive the compression roller 1 and the whole structure to oscillate.

According to the invention, the left end and the right end of the compression roller 1 are fixed through the sealing plate 3, the connecting and supporting structure which protrudes outwards from the middle part of the sealing plate 3 is the supporting rod 4, the first rotating shaft 6 is arranged at the middle part of the supporting rod 4 and is supported by a bearing to complete the rotating and connecting relation, so that the supporting rod 4 and the first rotating shaft 6 rotate independently, when the compression roller 1 and the supporting rod 4 are pushed to rotate, the compression roller 1 only completes static pressure without oscillation when the first rotating shaft 6 does not rotate, and when the first rotating shaft 6 rotates at high frequency, the compression roller 1 can generate oscillation frequency.

The rotating speed of the first rotating shaft 6 can be adjusted, so that the adjustment and transformation of various rotating speeds can be realized, and the application range of the press roll 1 is wider while different frequencies are generated.

Example 3:

referring to FIGS. 4-7, the embodiment 1-2 is different therefrom; steady voltage adjustment mechanism 9 includes guide bar 901, cylinder 902, guide bar 901 vertically locates 1 middle part of compression roller and is the symmetrical structure setting around along first pivot 6 with cylinder 902, guide bar 901 all installs at 1 inside and directional first pivot 6 of compression roller through the supporting seat with cylinder 902, solid fixed ring 903 has been cup jointed on the 6 inner outer walls of first pivot, control two solid fixed ring 903 respectively downwards and upwards be connected with gag lever post 904, left gag lever post 904 bottom is connected with the first backup pad 905 fixed with left side limiting plate 7, the gag lever post 904 top on right side is connected with the second backup pad 906 fixed with right side limiting plate 7, left gag lever post 904 and first backup pad 905 are the central symmetrical structure setting with gag lever post 904 and second backup pad 906 on right side.

The guide rod 901 comprises a loop bar 907, a piston 908 and a sliding rod 909, the piston 908 is arranged inside the loop bar 907 and is fixedly connected with the sliding rod 909, the sliding rod 909 penetrates out of the loop bar 907 and is in sliding connection with the loop bar, a sealing rubber sleeve is sleeved on the outer wall of the piston 908, the piston 908 is hollow, exhaust holes 910 are formed in the front end and the rear end of the piston 908 at equal intervals in an annular mode, a plurality of staggered exhaust partition plates 911 are stacked inside the piston 908, and a sealing gasket 912 is arranged on the rear end face of the piston 908 in an attached mode.

The limit rod 904 is sleeved with two baffles 913, an annular sliding block 914 is slidably arranged between the two baffles 913 of the limit rod 904, the end of the sliding rod 909 and the end of the air rod of the air cylinder 902 are respectively connected with a connecting rod 915 which is obliquely arranged, and the connecting rod 915 is respectively rotatably connected with the pointed sliding block 914.

According to the invention, the pressure stabilizing and adjusting mechanism 9 is arranged in the middle of the compression roller 1, the limiting plates 7 on the left side and the right side and the related same-frequency oscillation mechanisms 8 deflect in a reverse direction of 45 degrees, the same-frequency oscillation mechanisms 8 on the left side and the right side are vertically arranged, and the internal structures of the compression roller 1 are staggered and distributed at equal intervals, so that the rotating gravity center tends to the center of the compression roller 1; specifically, a first supporting plate 905 and a second supporting plate 906 are respectively fixed on two limiting plates 7, the first supporting plate 905, the second supporting plate 906 and a limiting rod 904 at the end part form an L-shaped structure, the left limiting rod 904, the first supporting plate 905, the right limiting rod 904 and the second supporting plate 906 are arranged around the center of the compression roller 1 in a central symmetry structure, the limiting rods 904 at the left side and the right side are respectively connected to corresponding first rotating shafts 6 through fixing rings 903, the two fixing rings 903 are inserted and matched to realize mutual reverse rotation, a sliding block 914 is arranged at a position where two baffles 913 are fixed on the fixing rings 903, the sliding block 914 is limited by the two baffles 913 and can only slide in a limiting manner, a connecting rod 915 which is connected with the cylinder 902 arranged in the horizontal direction in a downward inclination manner is rotatably connected with the left slider 914, and the left slider 914 is attached to the adjacent upper baffle 913 at the moment, the connecting rod 915 connected with the guide rod 901 in an upward inclined manner is rotationally connected with the slider 914 on the right side, the right slider 914 is attached to the baffle 913 on the adjacent lower side at the moment, the slider 914 below the telescopic control of the cylinder 902 slides up and down, the inclined angle of the connecting rod 915 connected in the moving process of the slider 914 is changed to deflect, and the limiting plates 7 on the two sides of the left side synchronously rotate in the opposite direction to realize angle deflection.

In the invention, a gap is formed between the left fixing ring 903 and the right fixing ring 903 after the left fixing ring 903 is inserted into the right fixing ring 903, a plurality of rollers are arranged in the gap at equal intervals and connected with the fixing ring 903 in a friction fit manner, when the left fixing ring 903 rotates, the rollers are driven to rotate in the opposite direction, and the inner ring of the right fixing ring 903 is contacted with the rollers, so that the rollers rotate synchronously, and the fixing rings 903 on the left side and the right side rotate in the opposite direction.

In the invention, because the angular deflection and the stability of the limiting plate 7 are both controlled by the cylinder 902, the guide rod 901 slides in the sleeve 907 after the sliding rod 909 is fixed by the semi-sealed piston 908, so that the stabilizing effect is increased, and the supporting pressure of the cylinder 902 can be shared.

The guide rod 901 comprises a loop bar 907 and a slide bar 909, the slide bar 909 is inserted into the loop bar 907 to slide in a telescopic manner, a piston 908 attached to the inner wall of the loop bar 907 is arranged at the inner end of the slide bar 909 to increase sliding resistance, the front and back openings of the piston 908 are hollow, sliding resistance is reduced, but a plurality of exhaust partition boards 911 are arranged in the exhaust partition board 911 in a staggered manner to allow the piston 908 to ventilate, ventilation effect is reduced, pressure stabilization control can be completed, and sliding adjustment can be ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.