A rubber coating device for conductors in cables

Abstract

The present invention relates to a rubber coating device for conductors in cables, comprising a spring, a first scissor seat and a second scissor seat with a gripping end and hinged to each other, the gripping end being located on the same side of a hinge point, the first scissor seat and the second scissor seat gripping end ends being respectively provided with a first adhesive surface, a second adhesive surface, a first extrusion block and a second extrusion block, a spring connecting the first scissor seat and the second scissor seat; two fixing columns are provided in the first scissor seat and / or the second scissor seat, two electrical tape rolls are placed on the two fixing columns, the two electrical tapes are respectively pulled to the first extrusion block and the second extrusion block, and are respectively pasted on the first adhesive surface and the second adhesive surface, so that the bonding surfaces of the two electrical tapes are arranged oppositely, the conductor to be coated with rubber is placed between the first extrusion block and the second extrusion block, and the electrical tapes on the first extrusion block and the second extrusion block are wrapped around the conductor by squeezing the two gripping ends, so as to realize rapid and standardized rubber coating of exposed cables.

Description

Technical field:

[0002] The invention relates to a rubber coating device, in particular to a rubber coating device for a conductor in a cable. Background technology:

[0004] Since the monitoring cables arranged for on-site monitoring of underground projects are extremely susceptible to damage by various unpredictable situations, such as being broken by excavators, crushed by rollers, or torn by pullers, in order to increase the survival rate of the test cables, the densely packed broken wires must be manually reconnected.

[0005] Generally, the manual wiring method is to use a wire stripper to strip off the outermost PVC insulation layer and the inner PVC insulation layer outside the wire core, and then match the multiple wire cores at both ends of the broken wire one by one and tighten them with a spiral; then wrap the exposed sections with electrical tape to connect the broken wires. Obviously, when there are a large number of broken wires and the wiring environment is harsh, the insulation and reinforcement effects at the joints are difficult to guarantee. Summary of the invention:

[0007] In order to solve the problems of low efficiency and low guarantee rate of the existing test cable rubber coating technology and reduce the influence of the rubber coating insulation effect on the conductivity of the sensor cable, the present invention provides a rubber coating device for the wire in the cable, comprising a spring, a first scissor seat and a second scissor seat with a gripping end and hinged to each other, the gripping end is located on the same side of the hinge point, the first scissor seat and the second scissor seat gripping end are respectively provided with a first adhesive surface, a second adhesive surface, a first extrusion block and a second extrusion block, the first extrusion block and the second extrusion block are arranged on the opposite side of the first scissor seat and the second scissor seat, the spring connects the first scissor seat and the second scissor seat, so that the first extrusion block and the second extrusion block tend to be away from each other; two fixing columns are provided in the first scissor seat and / or the second scissor seat, two electrical tape rolls are placed on the two fixing columns, the two electrical tapes are respectively pulled to the first extrusion block and the second extrusion block, and are respectively pasted on the first adhesive surface and the second adhesive surface, so that the bonding surfaces of the two electrical tapes are arranged oppositely, the wire to be coated with rubber is placed between the first extrusion block and the second extrusion block, and the electrical tapes on the first extrusion block and the second extrusion block are wrapped around the wire by squeezing the two gripping ends.

[0008] Furthermore, the first extrusion block and the second extrusion block are provided with matching shearing structures, and when the electrical tapes of the first extrusion block and the second extrusion block are tightly pressed to wrap the wire, the electrical tapes are cut off by the shearing structure.

[0009] Furthermore, the shear structure includes a first shearing protrusion and a second shearing protrusion arranged on both sides of the first extrusion block, and a third shearing surface and a fourth shearing surface arranged on the second extrusion block relative to the first shearing protrusion and the second shearing protrusion. When the first extrusion block and the second extrusion block are pressed tightly, the first shearing protrusion cooperates with the third shearing surface, and the second shearing protrusion cooperates with the fourth shearing surface to cut off a section of the electrical tape located between the first extrusion block and the second extrusion block.

[0010] Furthermore, the first extrusion block is provided with a rubber-coating protrusion, and the second extrusion block is provided with a rubber-coating groove adapted to the rubber-coating protrusion at an opposite position, and the wire is placed in the rubber-coating groove for rubber coating.

[0011] Furthermore, the first extrusion block and the second extrusion block are detachably mounted on the first scissor seat and the second scissor seat, and are provided with replaceable first extrusion blocks and second extrusion blocks having rubber-coated protrusions and rubber-coated grooves of different specifications.

[0012] Furthermore, the first scissor seat and the second scissor seat are hinged together in the middle, and two fixing columns are arranged on the other side of the hinge point of the holding ends of the first scissor seat and the second scissor seat.

[0013] Furthermore, the first scissors seat includes a first scissors plate and a first fixing groove connected to the first extrusion block, the second scissors seat includes a second scissors plate, a second fixing groove connected to the second extrusion block and a surrounding plate arranged on the periphery of the second scissors plate, and two fixing columns are arranged on the second scissors plate; the first scissors plate and the second scissors plate are provided with guide columns, and the surrounding plate is provided with guide holes for allowing and guiding the electrical tape to pass through, and the two electrical tapes are separated by the guide holes and the guide columns to prevent each other from sticking to each other.

[0014] Furthermore, the gripping ends of the first scissor seat and the second scissor seat are respectively provided with a first pressing block and a second pressing block, and the first pressing block and the second pressing block have the same length from the hinge point of the first scissor seat and the second scissor seat.

[0015] Furthermore, the first and second scissor seats are respectively provided with a first and second pasting grooves that penetrate therethrough at the gripping ends thereof, and the first and second pasting surfaces are respectively arranged in the first and second pasting grooves.

[0016] Furthermore, it also includes a glue pulling mechanism, which includes a first glue pulling hook, a first transmission belt, a first transmission wheel, a second transmission wheel, a second glue pulling hook, a second transmission belt, a third transmission wheel and a fourth transmission wheel; the second transmission wheel is fixedly arranged on the second scissors seat and is located at the hinge point of the first scissors seat and the second scissors seat, the first transmission wheel is rotatably arranged on the first scissors seat and is located at one end where the first extrusion block is arranged, the first transmission belt transmission connects the first transmission wheel and the second transmission wheel, and the first glue pulling hook is connected to the first transmission wheel; the fourth transmission wheel is fixedly arranged on the first scissors seat and is located between the first scissors seat and the second At the hinge point of the scissors seat, the third transmission wheel can be rotatably arranged on the second scissors seat and is located at one end where the second extrusion block is provided. The second transmission belt transmission connects the third transmission wheel and the fourth transmission wheel, and the second glue hook is connected to the third transmission wheel. When the first scissors seat and the second scissors seat are opened, the first glue hook and the second glue hook can be moved from the end of the first extrusion block and the second extrusion block farther from the hinge point to the end closer to it, respectively. When the first scissors seat and the second scissors seat are closed, the first glue hook and the second glue hook can be moved from the end of the first extrusion block and the second extrusion block closer to the hinge point to the end farther from it, respectively.

[0017] The present invention places the wires to be connected, whose insulation layers are stripped and spirally tightened, between two extrusion blocks, and an operator presses a first scissor seat and a second scissor seat to achieve rapid and standardized rubber coating of the exposed cables, thereby improving the efficiency of testing cable rubber coating and the quality assurance rate.

[0018] The present invention can adapt to the rubber coating of cables with different diameters by replacing the first extrusion block and the second extrusion block of different sizes. The extrusion blocks are fixed to the upper and lower scissor plates by magnetic connection, which is easy to replace, disassemble and install.

[0019] The present invention provides a glue pulling mechanism, during the opening and closing process of the first scissor seat and the second scissor seat, the electrical tape is pulled to the positions of the first extrusion block and the second extrusion block respectively, so as to facilitate continuous glue encapsulation operation. Description of the drawings:

[0021] Figure 1 This is a schematic diagram of Embodiment 1 of the present invention;

[0022] Figure 2 This is a schematic diagram of a first scissor seat according to a first embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of a second scissor seat according to a first embodiment of the present invention;

[0024] Figure 4 This is a schematic diagram of Embodiment 2 of the present invention;

[0025] In the figure: 1. first scissors seat; 11. first pasting surface; 12. first extrusion block; 121. first shearing protrusion; 122. second shearing protrusion; 123. rubber-coated protrusion; 13. first pressing block; 14. first pasting groove; 15. first scissors plate; 16. first fixed groove; 17. guide column; 2. second scissors seat; 21. second pasting surface; 22. second extrusion block; 221. third shearing surface; 222. fourth shearing surface; 223. rubber-coated groove; 23. second pressing block; 24. second pasting groove; 25. second scissors plate; 26. second fixed groove; 27. enclosure; 28. guide hole; 3. spring; 4. fixed column; 5. electrical tape roll; 51. electrical tape; 61. first rubber hook; 62. first transmission belt; 63. first transmission wheel; 64. second transmission wheel; 65. second rubber hook; 66. second transmission belt; 67. third transmission wheel. Specific implementation method:

[0027] Embodiment 1:

[0028] like Figure 1-3 As shown, the rubber-coated device of this embodiment includes a spring 3, a first scissor seat 1 and a second scissor seat 2 having a gripping end and hinged to each other, and the gripping end is located on the same side of the hinge point.

[0029] The first and second scissor seats 1 and 2 are provided with a first and second pasting grooves 14 and 24 respectively at the gripping ends. The first and second pasting grooves 14 and 24 are provided with a first and second pasting surfaces 11 and 21 for pasting and fixing the electrical tape 51. The first and second scissor seats 1 and 2 are also provided with a first extrusion block 12 and a second extrusion block 22 respectively at the gripping ends. The first and second extrusion blocks 12 and 22 are arranged on the opposite sides of the first and second scissor seats 1 and 2. The spring 3 connects the first and second scissor seats 1 and 2, so that the first and second extrusion blocks 12 and 22 on the first and second scissor seats 1 and 2 tend to move away from each other. The spring 3 can be a compression spring arranged at the gripping end or a tension spring arranged at the other end.

[0030] The first pressing block 13 and the second pressing block 23 can be respectively provided at the holding ends of the first scissor seat 1 and the second scissor seat 2. The first pressing block 13 and the second pressing block 23 have the same length from the hinge point of the first scissor seat 1 and the second scissor seat 2. The two pressing blocks can be brought closer to each other by squeezing the two pressing blocks.

[0031] Two fixing columns 4 are provided in the rubber coating device, and the two fixing columns 4 can be arranged in the first scissor seat 1 or the second scissor seat 2, or can be arranged in the first scissor seat 1 and the second scissor seat 2 respectively. Two electrical tape rolls 5 are placed on the two fixing columns 4, and two electrical tapes 51 are pulled to the positions of the first extrusion block 12 and the second extrusion block 22 respectively, and are pasted on the first pasting surface 11 and the second pasting surface 21 respectively, so that the bonding surfaces of the two electrical tapes 51 are arranged opposite to each other, and the wire to be rubber coated with the insulation layer stripped and spirally tightened is placed between the first extrusion block 12 and the second extrusion block 22, and the operator squeezes the gripping ends of the two scissor seats to wrap the wire with the electrical tapes 51 on the first extrusion block 12 and the second extrusion block 22.

[0032] In this embodiment, a matching shearing structure may be further provided on the first extrusion block 12 and the second extrusion block 22, including a first shearing protrusion 121 and a second shearing protrusion 122 provided on both sides of the first extrusion block 12, and a third shearing surface 221 and a fourth shearing surface 222 provided on the second extrusion block 22 at positions relative to the first shearing protrusion 121 and the second shearing protrusion 122. When the first extrusion block 12 and the second extrusion block 22 are pressed tightly, the first shearing protrusion 121 cooperates with the third shearing surface 221, and the second shearing protrusion 122 cooperates with the fourth shearing surface 222 to cut off a section of the electrical tape 51 between the first extrusion block 12 and the second extrusion block 22, thereby saving the operation of manually cutting the electrical tape 51.

[0033] In this embodiment, a rubber-coated protrusion 123 may be provided on the first extrusion block 12, and a rubber-coated groove 223 adapted to the rubber-coated protrusion 123 may be provided at a position opposite to the second extrusion block 22. The wire may be placed in the rubber-coated groove 223 for better rubber-coated coating. The first extrusion block 12 and the second extrusion block 22 may also be detachably mounted on the first scissor seat 1 and the second scissor seat 2, for example, by magnetic adsorption on the first scissor seat 1 and the second scissor seat 2, and replaceable first extrusion blocks 12 and second extrusion blocks 22 with rubber-coated protrusions 123 and rubber-coated grooves 223 of different specifications may be provided at the same time. Different first extrusion blocks 12 and second extrusion blocks 22 may be replaced according to different wires to achieve better rubber-coated coating.

[0034] The first scissors seat 1 and the second scissors seat 2 can be structures hinged together at the ends or structures hinged together in the middle. This embodiment takes the structure hinged together in the middle as an example, and the two fixing columns 4 are arranged on the other side of the hinge point of the holding end of the first scissors seat 1 and the second scissors seat 2 relative to the hinge point.

[0035] The first scissor seat 1 includes a first scissor plate 15 and a first fixing groove 16 connected to the first extrusion block 12, and the second scissor seat 2 includes a second scissor plate 25, a second fixing groove 26 connected to the second extrusion block 22, and a surrounding plate 27 arranged around the second scissor plate 25, and two fixing columns 4 are arranged on the second scissor plate 25. The first scissor plate 15 and the second scissor plate 25 are provided with a guide column 17, and the surrounding plate 27 is provided with a guide hole 28 for the electrical tape 51 to pass through and guide. The two electrical tapes are separated by the guide hole 28 and the guide column 17 to prevent them from sticking to each other.

[0036] Embodiment 2:

[0037] like Figure 4 As shown, based on the first embodiment, this embodiment can also be provided with a glue pulling mechanism, including a first glue pulling hook 61, a first transmission belt 62, a first transmission wheel 63, a second transmission wheel 64, a second glue pulling hook 65, a second transmission belt 66, a third transmission wheel 67 and a fourth transmission wheel.

[0038] The second transmission wheel 64 is fixedly arranged on the second scissor seat 2 and is located at the hinge point of the first scissor seat 1 and the second scissor seat 2. The first transmission wheel 63 is rotatably arranged on the first scissor seat 1 and is located at the corresponding position of one end provided with the first extrusion block 12. The first transmission belt 62 is connected to the first transmission wheel 63 and the second transmission wheel 64. The first glue hook 61 is connected to the first transmission wheel 63. The fourth transmission wheel is fixedly arranged on the first scissor seat 1 and is located at the hinge point of the first scissor seat 1 and the second scissor seat 2. The third transmission wheel 67 is rotatably arranged on the second scissor seat 2 and is located at the corresponding position of one end provided with the second extrusion block 22. The second transmission belt 66 is connected to the third transmission wheel 67 and the fourth transmission wheel. The second glue hook 65 is connected to the third transmission wheel 67.

[0039] When the first scissor seat 1 and the second scissor seat 2 are opened, the first adhesive hook 61 and the second adhesive hook 65 can be rotated from the end of the first extrusion block 12 and the second extrusion block 22 that is farther from the hinge point to the end that is closer, and the first adhesive hook 61 and the second adhesive hook 65 are bonded to the electrical tape 5. When the first scissor seat 1 and the second scissor seat 2 are closed, the first adhesive hook 61 and the second adhesive hook 65 can be rotated from the end of the first extrusion block 12 and the second extrusion block 22 that is closer to the hinge point to the end that is farther, and the electrical tape 51 is pulled through the first extrusion block 12 and the second extrusion block 22, so as to facilitate continuous adhesive encapsulation.

Claims

1. A rubber coating device for conductors in a cable, characterized in that: The invention comprises a spring, a first scissor seat and a second scissor seat having a gripping end and being hinged to each other, the gripping end being located on the same side of a hinge point, the first scissor seat and the second scissor seat gripping end ends being respectively provided with a first adhesive surface, a second adhesive surface, a first extrusion block and a second extrusion block, the first extrusion block and the second extrusion block being arranged on a side opposite to the first scissor seat and the second scissor seat, the first extrusion block being provided with a rubber-coated protrusion and having a first shearing protrusion and a second shearing protrusion on both sides, the second extrusion block being provided with a rubber-coated groove adapted to the rubber-coated protrusion at a position relative to the rubber-coated protrusion of the first extrusion block and having a third shearing surface and a fourth shearing surface at two sides relative to the first shearing protrusion and the second shearing protrusion, the spring connecting the first scissor seat and The second scissors seat makes the first extrusion block and the second extrusion block tend to move away from each other; two fixed columns are provided in the first scissors seat and / or the second scissors seat, and two electrical tapes are placed on the two fixed columns, and the tapes on the two electrical tape rolls are respectively pulled to the first extrusion block and the second extrusion block, and are respectively pasted on the first pasting surface and the second pasting surface, so that the bonding surfaces of the two electrical tapes are arranged opposite to each other, and the wires to be coated with glue are placed in the coating groove, and the electrical tapes on the first extrusion block and the second extrusion block are wrapped with the wires by squeezing the two holding ends, and the first shearing protrusion is matched with the third shearing surface, and the second shearing protrusion is matched with the fourth shearing surface to cut off a section of the electrical tape between the first extrusion block and the second extrusion block.

2. The rubber coating device for conductors in cables according to claim 1, characterized in that: The first extrusion block and the second extrusion block are detachably mounted on the first scissor seat and the second scissor seat, and are provided with replaceable first extrusion blocks and second extrusion blocks having rubber-coated protrusions and rubber-coated grooves of different specifications.

3. The rubber coating device for conductors in cables according to claim 1, characterized in that: The first scissor seat and the second scissor seat are hinged together in the middle, and the two fixing columns are arranged on the other side of the hinge point of the first scissor seat and the second scissor seat gripping end.

4. The rubber coating device for conductors in cables according to claim 3, characterized in that: The first scissors seat includes a first scissor plate and a first fixing groove connected to the first extrusion block, the second scissors seat includes a second scissor plate, a second fixing groove connected to the second extrusion block and a surrounding plate arranged on the periphery of the second scissor plate, and two fixing columns are arranged on the second scissor plate; the first scissor plate and the second scissor plate are provided with guide columns, and the surrounding plate is provided with guide holes for electrical tapes to pass through and guide, and the two electrical tapes are separated by the guide holes and the guide columns.

5. The rubber coating device for conductors in cables according to claim 1, characterized in that: The gripping ends of the first scissor seat and the second scissor seat are respectively provided with a first pressing block and a second pressing block, and the first pressing block and the second pressing block have the same length from the hinge point of the first scissor seat and the second scissor seat.

6. The rubber coating device for conductors in cables according to claim 1, characterized in that: The first and second scissor seats are respectively provided with a first and second pasting grooves that penetrate therethrough at the gripping ends thereof, and the first and second pasting surfaces are respectively arranged in the first and second pasting grooves.

7. The rubber coating device for conductors in a cable according to any one of claims 1 to 6, characterized in that: The glue pulling mechanism also includes a first glue pulling hook, a first transmission belt, a first transmission wheel, a second transmission wheel, a second glue pulling hook, a second transmission belt, a third transmission wheel and a fourth transmission wheel; the second transmission wheel is fixedly arranged on the second scissors seat and is located at the hinge point of the first scissors seat and the second scissors seat, the first transmission wheel is rotatably arranged on the first scissors seat and is located at one end where the first extrusion block is arranged, the first transmission belt transmission connects the first transmission wheel and the second transmission wheel, and the first glue pulling hook is connected to the first transmission wheel; the fourth transmission wheel is fixedly arranged on the first scissors seat and is located between the first scissors seat and the second scissors seat At the hinge point position of the seat, the third transmission wheel can be rotatably arranged on the second scissor seat and is located at one end where the second extrusion block is provided, the second transmission belt transmission connects the third transmission wheel and the fourth transmission wheel, and the second glue hook is connected to the third transmission wheel; when the first scissor seat and the second scissor seat are opened, the first glue hook and the second glue hook can be moved from the end of the first extrusion block and the second extrusion block farther from the hinge point to the end closer to the hinge point respectively; when the first scissor seat and the second scissor seat are closed, the first glue hook and the second glue hook can be moved from the end of the first extrusion block and the second extrusion block closer to the hinge point to the end farther away respectively.

Images