阅读说明：本技术 一种串联型发热电缆及其生产装置 (Tandem type heating cable and production device thereof ) 是由 计成志 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种串联型发热电缆,所述芯线的外表面套接有绝缘层,所述绝缘层远离芯线的外表面套接有外护套,所述外护套远离绝缘层外表面的一端套接有屏蔽层,一种串联型发热电缆的生产装置,所述支撑架的顶部设置有用于冷却液体混合的吹送装置,所述吹送装置的底部贯穿冷却箱的底部并延伸至冷却箱的内部,所述挡板的顶部固定安装有用于电缆冷却输送的风力冷却装置。本发明利用芯线作为发热的产品,可以在一定电阻的芯线上通过电流,芯线发出焦耳热,而由于单位长度的电阻和通过的电流,在整个长度上都是相等的,各处的发热量也就是相等的,因为可以使其适用于长距离管线的伴热保温,并利用一个电源点进行供电。(The invention discloses a series heating cable, wherein an insulating layer is sleeved on the outer surface of a core wire, an outer sheath is sleeved on the outer surface of the insulating layer far away from the core wire, a shielding layer is sleeved on one end of the outer sheath far away from the outer surface of the insulating layer, a blowing device for cooling liquid mixing is arranged at the top of a support frame, the bottom of the blowing device penetrates through the bottom of a cooling tank and extends into the cooling tank, and a wind power cooling device for cooling and conveying the cable is fixedly arranged at the top of a baffle plate. The invention uses the core wire as a heating product, can pass current on the core wire of a certain resistance, the core wire emits joule heat, and because the resistance of unit length and the passing current are equal in the whole length, the heating value is equal in each part, because the invention can be suitable for the heat tracing heat preservation of long-distance pipelines, and power supply is carried out by using a power supply point.)

1. A series type heating cable, comprising a core wire (1), characterized in that: the outer surface of heart yearn (1) has cup jointed insulating layer (2), the surface that insulating layer (2) kept away from heart yearn (1) has cup jointed oversheath (3), shielding layer (4) have been cup jointed to the one end that insulating layer (2) surface was kept away from in oversheath (3).

2. A heating cable of a series type according to claim 1, wherein: the insulating layer (2) is made of fluoroplastic.

3. A production apparatus for manufacturing a heating cable of a series type as claimed in claim 1, comprising a cooling tank (5), characterized in that: the bottom fixed mounting of cooler bin (5) has support frame (6), the top of support frame (6) is provided with and is used for the blowing device (7) that the cooling liquid mixes, the bottom of blowing device (7) runs through the bottom of cooler bin (5) and extends to the inside of cooler bin (5), the both sides fixed mounting of cooler bin (5) inner wall has baffle (8) that are used for the cable to carry, the top fixed mounting of baffle (8) has wind-force cooling device (9) that are used for the cable cooling to carry, the top fixed mounting of cooler bin (5) inner wall has first mounting panel (10), the top of first mounting panel (10) is rotated and is installed first leading wheel (11).

4. A tandem type heating cable producing apparatus according to claim 3, wherein: the blowing device (7) consists of an air pump (14), a first limiting pipe (15), a first air outlet pipe (16), three-way valves (17), (18), a shunt pipe (19) and a check valve (20), an air pump (14) is fixedly arranged at the top of the supporting frame (6), a first limiting pipe (15) is fixedly arranged at the bottom of the cooling box (5), the output end of the air pump (14) is fixedly communicated with a first air outlet pipe (16), one end of the first air outlet pipe (16) far away from the air pump (14) penetrates through the inside of the first limiting pipe (15) and extends to the inside of the cooling box (5), the outer surface of the first air outlet pipe (16) is fixedly communicated with a second air outlet pipe (18) through a three-way valve (17), the outer surface of the second air outlet pipe (18) is fixedly communicated with a shunt pipe (19) through a plurality of groups of three-way valves (17), the outer surface of the first air outlet pipe (16) is provided with a check valve (20) for preventing liquid from flowing backwards.

5. The tandem type heating cable production apparatus according to claim 4, wherein: the wind power cooling device (9) is composed of a collecting cover plate (25), a third mounting plate (26), a first conveying pipe (27), a supporting rod (28), a fourth mounting plate (29), a conveying block (30), a conveying groove (31) and a second conveying pipe (32), the bottom parts of the two sides of the collecting cover plate (25) are fixedly connected with the third mounting plate (26), the third mounting plate (26) and the collecting cover plate (25) are mounted at the top of the baffle plate (8) through fixing threaded nails, the first conveying pipe (27) is fixedly communicated with one side of the collecting cover plate (25), the supporting rod (28) is arranged in an L shape, the four mounting plates (29) are fixedly connected with the two ends of one side of the supporting rod (28), the fourth mounting plate (29) and the supporting rod (28) are fixedly mounted at one side of the inner wall of the cooling box (5) through fixing threaded nails, the top part of the supporting rod (28) is fixedly connected with the conveying block (30) made of rubber materials, carry one side of piece (30) to run through and seted up curved conveyer trough (31), one side of cooler bin (5) inner wall all runs through with the inside of bracing piece (28) and sets up second conveyer pipe (32) that are used for gas transport, the bottom of carrying piece (30) and extending to the bottom of conveyer trough (31) is run through at the top of second conveyer pipe (32), the one end that conveyer trough (31) were kept away from in second conveyer pipe (32) and first conveyer pipe (27) are kept away from the one end of collecting apron (25) and are passed through mounting flange piece (33) fixed intercommunication.

6. The tandem type heating cable production apparatus according to claim 5, wherein: the surface of the baffle (8) is respectively provided with a line passing hole (21) in a penetrating manner at a position corresponding to one side of the conveying groove (31) and one side of the first guide wheel (11), the bottom of the baffle (8) is fixedly connected with a second mounting plate (22) at a position corresponding to the line passing hole (21), the bottom of the second mounting plate (22) is rotatably provided with a second guide wheel (23), a filter screen (24) is arranged at the top of the baffle (8) at a position corresponding to the collecting cover plate (25) in a penetrating manner, cooling water and auxiliaries are filled in the cooling box (5), the height of the cooling water for filling is higher than that of the bottom of the second guide wheel (23), one end of the heating cable penetrates through the inside of the conveying groove (31) and extends to the bottom of the baffle (8) through the line passing hole (21), and then the heating cable penetrates through the bottoms of the two sets of second guide wheels (23), and is lapped on the outer surface of the first guide wheel (11) through another group of wire passing holes (21).

7. The tandem type heating cable production apparatus according to claim 6, wherein: the water cooling device is characterized in that a water outlet pipe (12) is arranged at the bottom of one side of the cooling box (5), one end of the water outlet pipe (12) penetrates through one side of the cooling box (5) and extends into the cooling box (5), and a drain valve (13) is arranged on the outer surface of the cooling box (5).

8. A series type heating cable producing apparatus as set forth in claim 7, wherein: the outer surface of the second air outlet pipe (18) is sleeved with second limiting pipes (35) which are symmetrically distributed, reinforcing rods (34) are fixedly connected to the outer surfaces of the second limiting pipes (35), and one ends, far away from the second limiting pipes (35), of the reinforcing rods (34) are fixedly installed at the bottom of the inner wall of the cooling box (5).

Technical Field

The invention relates to the technical field of cable processing, in particular to a series heating cable and a production device thereof.

Background

The heating cable is mainly a wire cable for living heating, plant cultivation, pipeline heat preservation and the like. The heating cable is manufactured by adopting a single or a plurality of alloy electric heating wires as a heating source, adopting high-purity, high-temperature and electric melting crystallized magnesium oxide as a heat conduction insulator, adopting seamless continuous stainless steel or copper pipes as a sheath and adopting a special production process.

The heating cable is required to be cooled in the production and manufacturing processes of the heating cable, a certain auxiliary agent is required to be added into cooling water in the cooling process to prevent the heating cable from being damaged in the cooling process, most of the existing cooling devices are required to stir the cooling water, and in the conveying process of the heating cable, the outer protective sleeve is not cooled to cause damage to the protective sleeve, so that a series-type heating cable and a production device thereof are produced.

Disclosure of Invention

The invention aims to provide a series heating cable and a production device thereof, which are used for solving the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a tandem type heating cable, includes the heart yearn, the surface of heart yearn has cup jointed the insulating layer, the outer surface that the heart yearn was kept away from to the insulating layer has cup jointed the oversheath, the shielding layer has been cup jointed to the one end that the insulating layer surface was kept away from to the oversheath.

Preferably, the insulating layer is made of fluoroplastic.

Preferably, the production device of tandem type heating cable, includes the cooler bin, the bottom fixed mounting of cooler bin has the support frame, the top of support frame is provided with the blowing device that is used for the cooling liquid to mix, the bottom of blowing device runs through the bottom of cooler bin and extends to the inside of cooler bin, the both sides fixed mounting of cooler bin inner wall has the baffle that is used for the cable to carry, the top fixed mounting of baffle has the wind-force cooling device that is used for the cable cooling to carry, the top fixed mounting of cooler bin inner wall has first mounting panel, the top of first mounting panel is rotated and is installed first leading wheel.

Preferably, blow the device by air pump, first spacing pipe, first outlet duct, three-way valve, shunt tubes and check valve and constitute, the top fixed mounting of support frame has the air pump, the bottom fixed mounting of cooler bin has first spacing pipe, the fixed intercommunication of output of air pump has first outlet duct, the one end that the air pump was kept away from to first outlet duct passes the inside of first spacing pipe and extends to the inside of cooler bin, the surface of first outlet duct has the second outlet duct through the fixed intercommunication of three-way valve, the surface of second outlet duct has the shunt tubes through the fixed intercommunication of multiunit three-way valve, the surface of first outlet duct is provided with the check valve that prevents liquid and flow backward.

Preferably, the wind power cooling device consists of a collecting cover plate, a third mounting plate, a first conveying pipe, a supporting rod, a fourth mounting plate, a conveying block, a conveying groove and a second conveying pipe, the third mounting plate is fixedly connected with the bottom of two sides of the collecting cover plate, the third mounting plate and the collecting cover plate are mounted at the top of the baffle through fixing threaded nails, the first conveying pipe is fixedly communicated with one side of the collecting cover plate, the supporting rod is set to be L-shaped, the fourth mounting plate is fixedly connected with two ends of one side of the supporting rod, the fourth mounting plate and the supporting rod are fixedly mounted at one side of the inner wall of the cooling box through fixing threaded nails, the conveying block made of rubber materials is fixedly connected with the top of the supporting rod, the arc-shaped conveying groove is formed in one side of the conveying block in a penetrating manner, the second conveying pipe for gas conveying is formed in one side of the inner wall of the cooling box and the inside of the supporting rod in a penetrating manner, the top of second conveyer pipe runs through the bottom of carrying the piece and extends to the bottom of conveyer trough, the fixed intercommunication of mounting flange piece is passed through to the one end that the conveyer trough was kept away from to the second conveyer pipe and the one end that collection apron was kept away from to first conveyer pipe.

Preferably, the surface of baffle and the position that corresponds conveyer trough one side and first leading wheel one side respectively all run through and have seted up the line hole, the bottom of baffle and the equal fixedly connected with second mounting panel in the position that corresponds the line hole, the bottom of second mounting panel is rotated and is installed the second leading wheel, the top of baffle and the position that corresponds the collection apron run through and are provided with the filter screen, the inside packing of cooler bin has cooling water and auxiliary agent, and the bottom that highly is higher than the second leading wheel of cooling water for the packing, the inside of conveyer trough is passed to heating cable's one end to extend to the bottom of baffle through crossing the line hole, heating cable passes the bottom of two sets of second leading wheels afterwards to cross the outer surface of line hole overlap joint in first leading wheel through another group.

Preferably, a water outlet pipe is arranged at the bottom of one side of the cooling box, one end of the water outlet pipe penetrates through one side of the cooling box and extends into the cooling box, and a water drain valve is arranged on the outer surface of the cooling box.

Preferably, the outer surface of the second air outlet pipe is sleeved with second limiting pipes which are symmetrically distributed, the outer surface of each second limiting pipe is fixedly connected with a reinforcing rod, and one end, far away from the second limiting pipes, of each reinforcing rod is fixedly installed at the bottom of the inner wall of the cooling box.

Compared with the prior art, the invention has the following beneficial effects:

1. the core wire is used as a heating product, current can be passed through the core wire with a certain resistance, the core wire emits joule heat, and the resistance and the passed current in unit length are equal in the whole length, and the heat productivity at each position is equal, so that the heating wire is suitable for heat tracing and heat preservation of a long-distance pipeline and is supplied with power by using a power supply point;

2. and blowing device's setting can carry out the drum gas to the inside of cooler bin, and the gas of bulging in the in-process of drum gas can play certain boiling state in the coolant liquid, thereby make coolant liquid and auxiliary agent obtain abundant mixture, wind power cooling device's setting can concentrate the collection with the gas that the air pump produced, and carry to the top of conveyer trough through first conveyer pipe and second conveyer pipe, such setting not only can utilize cold cut wind to carry out primary cooling to the heating cable of production completion, also can make heating cable jack-up in the inside of conveyer trough, thereby reduce the area of contact between heating cable and the conveyer block after the production completion, prevent that uncooled outside sheath from bonding in the inside of conveyer block.

Drawings

FIG. 1 is a perspective view of a heating cable according to the present invention;

FIG. 2 is a front sectional view of the production apparatus of the present invention;

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

FIG. 4 is an enlarged view of the structure B of the present invention;

FIG. 5 is a schematic view of a connecting structure of a support rod and a conveying block in a side view and a cross-sectional view.

In the figure: 1 core wire, 2 insulating layers, 3 outer sheaths, 4 shielding layers, 5 cooling boxes, 6 support frames, 7 blowing devices, 8 baffles, 9 wind power cooling devices, 10 first mounting plates, 11 first guide wheels, 12 water outlet pipes, 13 water drain valves, 14 air pumps, 15 first limiting pipes, 16 first air outlet pipes, 17 three-way valves, 18 second air outlet pipes, 19 shunt pipes, 20 check valves, 21 wire passing holes, 22 second mounting plates, 23 second guide wheels, 24 filter screens, 25 collecting cover plates, 26 third mounting plates, 27 first conveying pipes, 28 support rods, 29 fourth mounting plates, 30 conveying blocks, 31 conveying grooves, 32 second conveying pipes, 33 fixing flange sheets, 34 reinforcing rods and 35 second limiting pipes.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a tandem type heating cable, includes heart yearn 1, insulating layer 2 has been cup jointed to the surface of heart yearn 1, insulating layer 2 keeps away from the surface of heart yearn 1 and has cup jointed oversheath 3, the shielding layer 4 has been cup jointed to the one end that oversheath 3 kept away from the surface of insulating layer 2.

Preferably, the insulating layer 2 is made of fluoroplastic, the core wire 1 is used as a heat-generating product, current can pass through the core wire 1 with a certain resistance, the core wire 1 generates joule heat, and because the resistance per unit length and the passed current are equal in the whole length, the heat generation amount is equal everywhere, because the insulating layer is suitable for heat tracing and heat preservation of long-distance pipelines and can be supplied with power by using a power supply point.

Preferably, the production device of the series heating cable comprises a cooling box 5, a support frame 6 is fixedly installed at the bottom of the cooling box 5, a blowing device 7 for cooling liquid mixing is arranged at the top of the support frame 6, the bottom of the blowing device 7 penetrates through the bottom of the cooling box 5 and extends to the inside of the cooling box 5, baffle plates 8 for cable conveying are fixedly installed on two sides of the inner wall of the cooling box 5, a wind power cooling device 9 for cable cooling conveying is fixedly installed at the tops of the baffle plates 8, a first installation plate 10 is fixedly installed at the tops of the inner wall of the cooling box 5, and a first guide wheel 11 is rotatably installed at the tops of the first installation plate 10.

Preferably, the blowing device 7 is composed of an air pump 14, a first limiting pipe 15, a first air outlet pipe 16, three-way valves 17, 18, a shunt pipe 19 and a check valve 20, the air pump 14 is fixedly installed at the top of the supporting frame 6, the first limiting pipe 15 is fixedly installed at the bottom of the cooling box 5, the first air outlet pipe 16 is fixedly communicated with the output end of the air pump 14, one end of the first air outlet pipe 16, which is far away from the air pump 14, penetrates through the inside of the first limiting pipe 15 and extends to the inside of the cooling box 5, the outer surface of the first air outlet pipe 16 is fixedly communicated with a second air outlet pipe 18 through the three-way valve 17, the outer surface of the second air outlet pipe 18 is fixedly communicated with the shunt pipe 19 through a plurality of sets of three-way valves 17, the check valve 20 for preventing liquid from flowing backwards is arranged on the outer surface of the first air outlet pipe 16, and the blowing device 7 can blow air to the inside of the cooling box 5, and the gas blown out in the air blowing process can be in a certain boiling state in the cooling liquid, so that the cooling liquid and the auxiliary agent are fully mixed.

Preferably, the wind power cooling device 9 is composed of a collecting cover plate 25, a third mounting plate 26, a first conveying pipe 27, a supporting rod 28, a fourth mounting plate 29, a conveying block 30, a conveying groove 31 and a second conveying pipe 32, the bottom of the two sides of the collecting cover plate 25 is fixedly connected with the third mounting plate 26, the third mounting plate 26 and the collecting cover plate 25 are mounted at the top of the baffle plate 8 through fixing threaded nails, the first conveying pipe 27 is fixedly communicated with one side of the collecting cover plate 25, the supporting rod 28 is set to be L-shaped, the two ends of one side of the supporting rod 28 are fixedly connected with the fourth mounting plate 29, the fourth mounting plate 29 and the supporting rod 28 are fixedly mounted at one side of the inner wall of the cooling box 5 through fixing threaded nails, the top of the supporting rod 28 is fixedly connected with the conveying block 30 made of rubber materials, one side of the conveying block 30 is penetrated by the conveying groove 31 provided with an arc shape, a second conveying pipe 32 for conveying gas penetrates through one side of the inner wall of the cooling box 5 and the inside of the supporting rod 28, the top of the second delivery pipe 32 penetrates the bottom of the delivery block 30 and extends to the bottom of the delivery chute 31, the end of the second delivery pipe 32 far away from the delivery groove 31 and the end of the first delivery pipe 27 far away from the collecting cover plate 25 are fixedly communicated through a fixing flange sheet 33, the wind power cooling device 9 can intensively collect the gas generated by the air pump 14, and is conveyed to the top of the conveying groove 31 through the first conveying pipe 27 and the second conveying pipe 32, so that the heating cable after being produced can be primarily cooled by using cold cutting air, and can be jacked up in the conveying groove 31, thereby reducing the contact area between the heat-generating cable and the conveying block 30 after completion of production and preventing the uncooled outer sheath from adhering to the inside of the conveying block 30.

Preferably, the surface of baffle 8 and the position that corresponds respectively on one side of conveyer trough 31 and first leading wheel 11 all run through and seted up line hole 21, the bottom of baffle 8 and the equal fixedly connected with second mounting panel 22 in the position that corresponds line hole 21, the bottom of second mounting panel 22 is rotated and is installed second leading wheel 23, the top of baffle 8 and the position that corresponds collection apron 25 run through and are provided with filter screen 24, the inside packing of cooler bin 5 has cooling water and auxiliary agent, and the height of the cooling water for the packing is higher than the bottom of second leading wheel 23, the inside of conveyer trough 31 is passed to heating cable's one end to extend to the bottom of baffle 8 through line hole 21, heating cable passes the bottom of two sets of second leading wheels 23 afterwards, and crosses the surface of line hole 21 overlap joint in first leading wheel 11 through another group.

Preferably, the bottom of one side of the cooling box 5 is provided with a water outlet pipe 12, one end of the water outlet pipe 12 penetrates through one side of the cooling box 5 and extends into the cooling box 5, a water drain valve 13 is arranged on the outer surface of the cooling box 5, and the arrangement of the water outlet pipe 12 and the water drain valve 13 can facilitate the cooling water and the cooling auxiliary agent to be put into and discharged out of the cooling box 5.

Preferably, the outer surface of the second outlet pipe 18 is sleeved with the second limiting pipes 35 which are symmetrically distributed, the outer surface of the second limiting pipe 35 is fixedly connected with the reinforcing rod 34, one end, far away from the second limiting pipe 35, of the reinforcing rod 34 is fixedly installed at the bottom of the inner wall of the cooling box 5, and the reinforcing rod 34 and the second limiting pipe 35 can support the second outlet pipe 18 to a certain extent, so that leakage can be prevented from occurring at the connection positions among the second outlet pipe 18, the shunt pipe 19 and the three-way valve 17.

When in use, firstly, the core wire 1 is used as a heating product, current can pass through the core wire 1 with a certain resistance, the core wire 1 emits joule heat, and because the resistance of unit length and the passing current are equal in the whole length, the heat productivity of each part is equal, because the core wire 1 is suitable for heat tracing and heat preservation of long-distance pipelines, and power is supplied by a power supply point, cooling water and auxiliary agents are put into the cooling box 5 from the water outlet pipe 12 after production is completed, then the heating cable needing cooling passes through the conveying groove 31 and the top of the baffle plate 8 through the wire passing hole 21, then the heating cable passes through the bottom of the second guide wheel 23, and the other end of the heating cable passes through the inside of the other group of wire passing holes 21 and is lapped on the top of the first guide wheel 11, and then the heating cable is fixedly connected with an external winding device, then, the air pump 14 is started to operate, the operation of the air pump 14 can convey air through the first air outlet pipe 16 and convey the air into the cooling box 5 through the three-way valve 17, the second air outlet pipe 18 and the shunt pipe 19, so that the air can be in a boiling state, the cooling liquid and the auxiliary agent can be sufficiently mixed, the cooling water and the auxiliary agent can be sufficiently mixed by the arrangement, the arrangement of the reinforcing rod 34 and the second limiting pipe 35 can play a certain supporting role on the second air outlet pipe 18, so that leakage at the connecting position among the second air outlet pipe 18, the shunt pipe 19 and the three-way valve 17 can be prevented, the arrangement of the check valve 21 can prevent the cooling water arranged in the cooling box 5 from returning to the inside of the air pump 14, then the swelled air can be conveyed to the inside of the collecting cover plate 25 through the filter screen 24, and then a large amount of air can be conveyed through the first conveying pipe 27 with a smaller diameter, so alright carry gas with making first conveyer pipe 27 and second conveyer pipe 32, alright blow the inside to conveyer trough 31 with gas afterwards, such setting not only can utilize cold cut wind to carry out primary cooling to the heating cable of production completion, also can make heating cable at the inside jack-up of conveyer trough 31, thereby reduce the area of contact between heating cable and the transport block 30 after the production completion, prevent that uncooled outside sheath from bonding in the inside of transport block 30, external coiling mechanism alright carry out the cooling of second step with making heating cable through the cooling water afterwards, thereby alright in order to accomplish heating cable's cooling.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.