Cable steam crosslinking apparatus

Abstract

The application relates to a cable steam crosslinking device, and belongs to the technical field of cable production. The device comprises a box body and a steam machine communicated with the box body. One side of the box body in the length direction is provided with a mounting door. A plurality of mounting racks for winding cables are arranged in the box body. A winding assembly for driving the cables to be wound on the mounting racks is arranged on the mounting racks. The application has the effect of reducing the adverse effect on the crosslinking effect of the cables.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cable production, in particular to a cable steam crosslinking device. BACKGROUND

[0002] Generally, the cable crosslinking process is to make the polyethylene material with linear molecular structure into crosslinked polyethylene with three-dimensional network structure through specific processing method, so that the long-term allowable operating temperature and short-circuit allowable temperature of the cable are greatly improved, and the actual use performance of the cable is greatly improved on the premise of maintaining its original excellent electrical performance.

[0003] The common cable crosslinking method is to put the cable into a house with a steam device inside, close the door, and pass hot steam into the house through the steam device, so that the cable is heat crosslinked.

[0004] In the related art, the house building is used as a cable crosslinking steam room, but the sealing performance of the house building is not good, which easily causes adverse effects on the crosslinking effect of the cable. SUMMARY

[0005] In order to reduce the adverse effects on the crosslinking effect of the cable, the present application provides a cable steam crosslinking device.

[0006] The cable steam crosslinking device provided by the present application adopts the following technical scheme:

[0007] A cable steam crosslinking device, comprising a box body and a steam machine communicated with the box body, one side of the box body in the length direction is provided with a mounting door, a plurality of mounting racks for winding cables are arranged in the box body, and a winding assembly for driving the cables to be wound on the mounting racks is arranged on the mounting racks.

[0008] By adopting the above technical scheme, the mounting door is opened, the cables are wound on the mounting racks through the winding assembly, the mounting door is closed at this time, steam is passed into the box body through the steam machine, and the box body is sealed by the mounting door, so that the adverse effects on the crosslinking effect of the cables are reduced.

[0009] Optionally, the mounting rack comprises a rack body and an auger rotatably connected to the rack body and parallel to the width direction of the rack body, the cables are wound on the auger along the blade shape of the auger, a fixing member for fixing the end portion of the cable is arranged on the auger, and the winding assembly comprises a driving member arranged on the rack body and driving the auger to rotate and a traction member matched with the auger.

[0010] By adopting the technical scheme, the cable end is passed through the traction member and fixed on the side wall of one end of the auger through the fixing member, at this time, the driving member drives the auger to rotate, and the traction member guides the cable in the length direction of the auger, so that the cable is wound on the auger along the spiral shape of the blade on the auger, at this time, the blade on the auger separates the adjacent two cable coils wound on the auger, so that the cable is wound conveniently, the contact area of the cable wound on the auger and the steam is increased, and the adverse effect on the crosslinking effect of the cable is further reduced.

[0011] Optionally, the traction member comprises a limiting ring in sliding connection with the rack body in the length direction of the rack body, a first lead screw parallel to the length direction of the rack body is threadedly connected to the lower side of the limiting ring, the first lead screw is in threaded connection with the rack body, and a first motor is installed at one end of the first lead screw.

[0012] By adopting the technical scheme, the cable end is passed through the limiting ring and fixed on the outer side wall of one end of the auger through the fixing member, at this time, the driving member drives the auger to rotate, and the first motor drives the first lead screw to rotate and drives the limiting ring to move away from one end of the auger, so that the cable is guided conveniently, the cable is wound on the auger along the spiral shape of the blade on the auger, the contact area of the cable coil is increased, and the adverse effect on the crosslinking effect of the cable is reduced.

[0013] Optionally, the driving member comprises a rotating shaft inserted into the shaft center of the end of the auger and in fixed connection with the auger, the rotating shaft passes through the side wall of the rack body and is in rotating connection with the rack body, and a belt is installed between the rotating shaft and the first lead screw.

[0014] By adopting the technical scheme, in the process that the first motor drives the first lead screw to rotate and drives the limiting ring to move, the belt drives the rotating shaft to rotate with the first lead screw, so that the limiting ring guides the cable while driving the auger to rotate, thereby facilitating the winding of the cable on the auger and improving the winding efficiency.

[0015] Optionally, a steam pipe parallel to the length direction of the box body is installed on the steam engine and located on the side of the rack body away from the installation door, a cavity is formed in the auger, steam holes in communication with the cavity are formed on the side wall of the auger and the blade on the auger, and a connecting assembly in communication with the steam pipe and the auger is arranged on the rotating shaft.

[0016] By adopting the technical scheme, the steam machine passes steam into the steam pipe, at this time the connecting assembly connects the connecting pipe and the auger, at this time the steam in the steam pipe enters the cavity of the auger through the connecting pipe and the rotating shaft, and is discharged from the steam hole, at this time each cable coil on the auger can be fully contacted with the steam, and the adverse effect on the cross-linking effect of the cable is reduced.

[0017] Optionally, the connecting assembly comprises a plurality of connecting pipes respectively matched with the rotating shaft, the connecting pipes are in communication with the inside of the steam pipe and are fixedly connected with the steam pipe, the rotating shaft is in communication with the cavity, and one end of the rotating shaft close to the connecting pipe is inserted and rotationally connected with a cylindrical mounting pipe, the other end of the mounting pipe is inserted into the connecting pipe, and the connecting pipe is provided with a stabilizing piece for fixing the mounting pipe.

[0018] By adopting the technical scheme, the driving mounting frame moves towards the steam pipe until the mounting pipe is inserted into the corresponding connecting pipe, at this time the stabilizing piece fixes the mounting pipe and the connecting pipe and seals the joint of the mounting pipe and the connecting pipe, so that the steam in the steam pipe enters the cavity through the connecting pipe, the mounting pipe and the rotating shaft and is discharged from the steam hole, thereby facilitating the contact with the cable wound on the auger and reducing the adverse effect on the cross-linking effect of the cable.

[0019] Optionally, the stabilizing piece comprises a mounting ring slidingly connected in the inside of the connecting pipe, a spring is arranged between the mounting ring and the inner side wall of the connecting pipe, both ends of the connecting pipe are provided with two sealing pads which are spliced into a ring shape, the sealing pads are slidingly connected with the connecting pipe along the diameter direction of the connecting pipe, and hinged rods are hinged to both sides of the mounting ring.

[0020] By adopting the technical scheme, when the mounting pipe is inserted into the connecting pipe, the end of the mounting pipe contacts the mounting ring and pushes the mounting ring to move towards the steam pipe, at this time the hinged rods hinged to the mounting ring move and rotate with the mounting ring, so as to pull the sealing pads to move towards each other until the sealing pads are spliced into a ring shape and contact the side wall of the mounting pipe, thereby facilitating the sealing of the joint of the mounting pipe and the connecting pipe and the complete entry of the steam in the steam pipe into the cavity, and further reducing the adverse effect on the cross-linking effect of the cable.

[0021] Optionally, the fixing piece comprises a fixing plate hinged to the outer side wall of the auger, the end of the cable is located below the fixing plate, the other end of the fixing plate is fixedly connected with the auger through bolts, a pressing plate is slidingly connected in the limiting ring, a first hydraulic cylinder is installed on the limiting ring, and the telescopic rod of the first hydraulic cylinder is fixedly connected with the pressing plate.

[0022] Through the above technical scheme, the cable end is passed through the limiting ring and placed on the auger, the driving fixed plate is rotated along the hinged end to the direction close to the cable end until the upper side of the cable end is contacted, the fixed plate is fixed on the sidewall of the auger through the bolt, so that the cable end is compressed, the possibility of the cable end being separated from the auger in the winding process is reduced, and the winding efficiency is improved.

[0023] Optionally, the mounting frame is fixedly connected with a sliding plate on the bottom wall of the box, the second screw is arranged on the sliding plate and is threadedly connected with the box, and the second motor is arranged at the end of the second screw.

[0024] Through the above technical scheme, the mounting door is opened during the process of mounting the cable on the mounting frame, the second motor drives the second screw to rotate and drives the sliding plate to slide the mounting frame to the direction close to the mounting door until the mounting frame slides to the outside of the box, so that the cable is conveniently mounted on the auger, and the working efficiency is improved.

[0025] Optionally, the second hydraulic cylinder is hinged at both ends of the box, and the telescopic rod of the second hydraulic cylinder is hinged to the sidewall of the mounting door.

[0026] Through the above technical scheme, the opening or closing of the mounting door is controlled by the elongation or shortening of the second hydraulic cylinder, and the working efficiency is improved.

[0027] In summary, the present application has at least one of the following beneficial technical effects:

[0028] 1. The mounting door is opened, and the cable is wound on the mounting frame through the winding assembly, at this time the mounting door is closed, steam is introduced into the box through the steam engine, the box is sealed by the mounting door, and the adverse effect on the cross-linking effect of the cable is reduced.

[0029] 2. The cable end is passed through the traction member and fixed on the sidewall of one end of the auger through the fixing member, in the process that the first motor drives the first screw to rotate and drives the limiting ring to move, the belt drives the rotating shaft to rotate with the first screw, so that the limiting ring guides the cable while driving the auger to rotate, thereby facilitating the cable to be wound on the auger, and the winding efficiency is improved.

[0030] 3. The steam engine introduces steam into the steam pipe, at this time the connecting assembly connects the connecting pipe and the auger, at this time the steam in the steam pipe enters the cavity of the auger through the connecting pipe and the rotating shaft, and is discharged from the auger through the steam hole, at this time each cable coil on the auger can be in full contact with the steam, thereby reducing the adverse effect on the cross-linking effect of the cable. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1is the overall structure schematic diagram of the cable steam crosslinking device in the embodiment of the application.

[0032] Figure 2 is the structure schematic diagram of the embodiment of the application, which embodies the position relationship between the sliding plate and the box.

[0033] Figure 3 is Figure 2 is the enlarged view of the structure at A in the middle.

[0034] Figure 4 is the structure schematic diagram of the embodiment of the application, which embodies the position relationship between the connecting pipe and the connecting assembly.

[0035] Figure 5 is Figure 4 is the enlarged view of the structure at B in the middle.

[0036] Mark explanation: 1, box; 11, steam engine; 12, installation door; 121, second hydraulic cylinder; 13, sliding plate; 131, second lead screw; 132, second motor; 2, mounting frame; 21, frame body; 22, auger; 221, fixed plate; 222, cavity; 223, steam hole; 3, winding assembly; 31, traction piece; 311, limiting ring; 312, traction seat; 313, first lead screw; 314, first motor; 315, pressing plate; 316, first hydraulic cylinder; 32, driving piece; 321, rotating shaft; 322, belt; 4, steam pipe; 5, connecting assembly; 51, connecting pipe; 52, mounting pipe; 53, stabilizing piece; 531, sealing gasket; 532, mounting ring; 533, spring; 534, hinged rod. DETAILED DESCRIPTION

[0037] The application will be further described in detail below with reference to the accompanying drawings.

[0038] The embodiment of the application discloses a cable steam crosslinking device. Figure 1 and Figure 2 A cable steam crosslinking device comprises a box 1, one end of the box 1 is provided with a steam engine 11 which is in communication with the inside of the box 1. The vertical side of the box 1 provided along the length direction is provided with an installation door 12 which blocks the box 1, the installation door 12 is vertical and the upper side is hinged to the side wall of the box 1, the box 1 is hinged with a second hydraulic cylinder 121 at both ends, the second hydraulic cylinder 121 is inclined to the direction close to the installation door 12 and is hinged to the side wall of the installation door 12.

[0039] The bottom wall inside the box body 1 is slidably connected with a horizontal sliding plate 13, and the upper side of the sliding plate 13 is provided with a plurality of mounting racks 2 arranged along the width direction of the box body 1, which are evenly distributed along the length direction of the sliding plate 13 in the embodiment of the application. A second lead screw 131 parallel to the width direction of the box body 1 is threaded through the middle of the sliding plate 13 and is screw-connected, one end of the second lead screw 131 away from the mounting door 12 penetrates through the side wall of the box body 1 and is rotationally connected with the box body 1, and the end of the second lead screw 131 penetrating through the box body 1 is provided with a second motor 132 fixedly connected with the outer side wall of the box body 1.

[0040] With reference to Figure 2 and Figure 3 , the mounting rack 2 comprises a rack body 21 fixedly connected with the upper side of the sliding plate 13, and a screw conveyor 22 parallel to the length direction of the rack body 21 is rotationally connected with the upper side of the rack body 21, the screw conveyor 22 is rotationally connected with the rack body 21, one end of the screw conveyor 22 away from the mounting door 12 is provided with a fixing piece for fixing the end of the cable, and the rack body 21 is provided with a winding assembly 3 for driving the cable to wind on the screw conveyor 22 along the blades on the screw conveyor 22.

[0041] The mounting door 12 is opened by the second hydraulic cylinder 121, the second motor 132 drives the second lead screw 131 to rotate and drives the sliding plate 13 to slide the mounting rack 2 towards the mounting door 12, until the mounting rack 2 slides to the outside of the box body 1, the end of the cable is fixed on one end of the screw conveyor 22 away from the mounting door 12 by the fixing piece, and the cable is wound on the screw conveyor 22 by the winding assembly 3, and the sliding plate 13 is driven to enter the box body 1, at this time the mounting door 12 is closed, the steam engine 11 is used to introduce steam into the box body 1, the box body 1 is sealed by the mounting door 12, and the crosslinking of the cable is completed.

[0042] With reference to Figure 2 and Figure 3 , the fixing piece comprises a fixing plate 221 arranged along the cross section direction of the screw conveyor 22 and hingedly connected with the outer side wall of the screw conveyor 22 at one end, and the other end of the fixing plate 221 is fixedly connected with the outer side wall of the screw conveyor 22 by bolts. When the fixing plate 221 is fixed with the screw conveyor 22, the middle part of the fixing plate 221 is raised away from the screw conveyor 22, and the end of the cable penetrates through the middle part of the fixing plate 221 and is pressed on the screw conveyor 22 by the fixing plate 221.

[0043] The winding assembly 3 comprises a traction member 31 located on the upper side of the frame body 21 and on one side of the auger 22, and a driving member 32 for driving the rotation of the auger 22. The traction member 31 comprises a horizontal limiting ring 311 in the shape of a cylinder perpendicular to the length direction of the auger 22, and a vertical traction seat 312 fixedly connected to the lower end of the limiting ring 311. The lower end of the traction seat 312 is provided with a first lead screw 313 horizontally arranged along the length direction of the frame body 21 and threadedly connected thereto. The first lead screw 313 is rotationally connected to the frame body 21, and the end of the first lead screw 313 away from the installation door 12 penetrates through the frame body 21 and is provided with a first motor 314 fixedly connected to the frame body 21.

[0044] A pressing plate 315 is slidingly connected in the limiting ring 311, and a vertical first hydraulic cylinder 316 is fixedly connected to the upper side of the limiting ring 311. The telescopic rod of the first hydraulic cylinder 316 penetrates through the side wall of the limiting ring 311 and is fixedly connected to the upper side of the pressing plate 315. The driving member 32 comprises a rotating shaft 321 penetrating through the frame body 21 and fixedly connected to the shaft center of the end of the auger 22 away from the installation door 12. The rotating shaft 321 is provided with a belt 322 connecting the rotating shaft 321 and the corresponding end of the first lead screw 313.

[0045] The end of the cable penetrates through the limiting ring 311 and is placed on the auger 22. The fixed plate 221 is rotated along the hinged end towards the direction close to the end of the cable until it is in contact with the upper side of the end of the cable. The fixed plate 221 is fixed to the side wall of the auger 22 by means of bolts, so as to press the end of the cable. In the process of driving the first lead screw 313 to rotate and driving the traction seat 312 and the limiting ring 311 to move by means of the first motor 314, the belt 322 drives the rotating shaft 321 to rotate with the first lead screw 313, so that the limiting ring 311 guides the cable while driving the auger 22 to rotate, thereby facilitating the winding of the cable on the auger 22. When the winding of the cable is completed, the traction seat 312 stops moving, and the first hydraulic cylinder 316 drives the pressing plate 315 to press the cable, thereby completing the fixation of the cable.

[0046] Referring to Figure 3 and Figure 4 , the auger 22 is provided with a cavity 222 inside, and a plurality of steam holes 223 are formed in the auger 22 and the blades of the small auger and are in communication with the cavity 222. The shaft center of the rotating shaft 321 is hollow and in communication with the cavity 222. The steam engine 11 is provided with a horizontal steam pipe 4 arranged along the length direction of the box body 1 and communicated with the side of the box body 1 close to the steam engine 11. One end of the steam pipe 4 penetrates into the inside of the box body 1 away from the installation door 12 and is fixedly connected to the box body 1.

[0047] The rotating shaft 321 is provided with a connecting assembly 5 communicated with the steam pipe 4, the connecting assembly 5 includes three connecting pipes 51 fixedly connected to the steam pipe 4 near the side of the installation door 12 and corresponding to the rotating shaft 321, the end of the rotating shaft 321 near the connecting pipe 51 is inserted and rotationally connected with an installation pipe 52 facing the steam pipe 4, the other end of the installation pipe 52 is inserted into the corresponding connecting pipe 51, and the connecting pipe 51 is provided with a stabilizing piece 53 fixing the installation pipe 52.

[0048] The installation frame 2 is driven to move towards the steam pipe 4 until the installation pipe 52 is inserted into the corresponding connecting pipe 51, at this time, the stabilizing piece 53 fixes the installation pipe 52 and the connecting pipe 51 and seals the interface of the installation pipe 52 and the connecting pipe 51, the steam engine 11 passes steam into the steam pipe 4, at this time, the steam in the steam pipe 4 enters the cavity 222 of the auger 22 through the connecting pipe 51 and the rotating shaft 321 and is discharged from the auger 22 through the steam hole 223, at this time, each cable coil located on the auger 22 can be in full contact with the steam until the crosslinking is completed.

[0049] Referring to Figure 4 and Figure 5 , the stabilizing piece 53 includes two sealing pads 531 spliced into a ring shape in the vertical direction, the sealing pads 531 are all in sliding connection with the end of the corresponding connecting pipe 51, and the sealing pads 531 move towards or away from each other. The installation ring 532 is slidably connected in the length direction of the connecting pipe 51, and the side of the installation ring 532 near the steam pipe 4 is provided with a spring 533, one end of the spring 533 is fixedly connected with the installation ring 532, and the other end is fixedly connected with the inner side wall of the connecting pipe 51.

[0050] The two sides of the side of the installation ring 532 away from the spring 533 are both hingedly connected with the hinge rods 534 adapted to the sealing pads 531, and the other ends of the hinge rods 534 are all hingedly connected with the side wall of the corresponding sealing pad 531. When the spring 533 is in the original length, the sealing pads 531 are away from each other.

[0051] When the installation pipe 52 is inserted into the connecting pipe 51, the end of the installation pipe 52 is in contact with the installation ring 532 and pushes the installation ring 532 to move towards the steam pipe 4, at this time, the hinge rods 534 hingedly connected with the installation ring 532 move and rotate with the installation ring 532, so as to pull the sealing pads 531 to move towards each other, until the sealing pads 531 are spliced into a ring shape and are in contact with the side wall of the installation pipe 52, and the spring 533 is compressed.

[0052] When the installation frame 2 moves away from the steam pipe 4, the installation pipe 52 moves away from the connecting pipe 51, the spring 533 restores the deformation and pushes the installation ring 532 to reset the sealing pads 531 through the hinge rods 534, so as to be connected with the installation pipe 52 again.

[0053] The implementation principle of the cable steam crosslinking device is as follows: the installation door 12 is opened, the sliding plate 13 is driven to slide the mounting frame 2 to the outside of the box body 1, the cable end is inserted through the limiting ring 311 and fixed at the end of the auger 22 away from the installation door 12, the cable end is inserted through the limiting ring 311 and pressed by the fixed plate 221, the limiting ring 311 is driven to guide the cable and rotate the auger 22 at the same time, until the cable is wound on the auger 22, the first hydraulic cylinder 316 drives the pressing plate 315 to press the cable, the cable fixing is completed, the sliding plate 13 is driven to enter the box body 1 and the installation door 12 is closed, the installation pipe 52 is inserted into the connecting pipe 51, the sealing gasket 531 is in contact with the side wall of the installation pipe 52, the steam in the steam pipe 4 enters the cavity 222 of the auger 22 and is separated from the auger 22 through the steam hole 223, at this time, each cable coil on the auger 22 can be in full contact with the steam, until the crosslinking is completed.

[0054] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A cable steam crosslinking apparatus characterized by: The utility model provides a steam engine and the steam engine is connected with the box, and the box is provided with a plurality of installation frames for winding cables, and the installation frames are provided with winding assemblies for driving the cables to wind on the installation frames. The installation frame comprises a frame body and an auger rotatably connected to the frame body and parallel to the width direction of the frame body, the cable is wound on the auger along the blade shape of the auger, the auger is provided with a fixing member for fixing the end of the cable, and the winding assembly comprises a driving member arranged on the frame body for driving the auger to rotate and a traction member matched with the auger. The traction member comprises a limiting ring slidably connected to the frame body along the length direction of the frame body, the limiting ring is provided with a first lead screw parallel to the length direction of the frame body and threadedly connected to the lower side of the limiting ring, the first lead screw is threadedly connected to the frame body, and the first lead screw is provided at one end with a first motor. The driving member comprises a rotating shaft inserted into the shaft hole at the end of the auger and fixedly connected to the auger, the rotating shaft penetrates through the side wall of the frame body and is rotatably connected to the frame body, and a belt is arranged between the rotating shaft and the first lead screw.

2. A cable steam crosslinking apparatus according to claim 1, wherein: The steam engine is provided with a steam pipe inserted into the box and parallel to the length direction of the box, the steam pipe is located on the side of the frame body away from the installation door, the auger is provided with a cavity, the side wall of the auger and the blades on the auger are provided with steam holes communicated with the cavity, and the rotating shaft is provided with a connecting assembly communicated with the steam pipe and the auger.

3. A cable steam crosslinking apparatus according to claim 2, wherein: The connecting assembly comprises a plurality of connecting pipes matched with the rotating shaft, the connecting pipes are communicated with and fixedly connected to the inside of the steam pipe, the rotating shaft is communicated with the cavity, the rotating shaft is provided at one end close to the connecting pipe with a cylindrical mounting pipe rotatably connected to the connecting pipe, the other end of the mounting pipe is inserted into the connecting pipe, and the connecting pipe is provided with a stabilizing member for fixing the mounting pipe.

4. A cable steam crosslinking apparatus according to claim 3, wherein: The stabilizer (53) comprises a mounting ring (532) slidingly connected inside the connecting pipe (51), a spring (533) is arranged between the mounting ring (532) and the inner side wall of the connecting pipe (51), the end of the connecting pipe (51) is provided with two sealing pads (531) which are spliced into a ring shape, the sealing pads (531) are slidingly connected with the connecting pipe (51) along the diameter direction of the connecting pipe (51), and the two sides of the mounting ring (532) are hingedly connected with hinged rods (534), and the other ends of the hinged rods (534) are hingedly connected with the corresponding sealing pads (531).

5. A cable steam crosslinking apparatus according to claim 4, wherein: The fixing part comprises a fixing plate (221) hingedly connected with the outer side wall of the auger (22), the cable end is located on the lower side of the fixing plate (221), the other end of the fixing plate (221) is fixedly connected with the auger (22) through bolts, the limiting ring (311) is slidingly connected with a pressing plate (315), the first hydraulic cylinder (316) is installed on the limiting ring (311), and the telescopic rod of the first hydraulic cylinder (316) is fixedly connected with the pressing plate (315).

6. A cable steam crosslinking apparatus according to claim 1, wherein: The lower side of the mounting frame (2) is fixedly connected with a same sliding plate (13) which is slidingly connected with the bottom wall of the box body (1), the second lead screw (131) which is arranged along the width direction of the box body (1) is threadedly connected with the sliding plate (13), the second lead screw (131) is rotationally connected with the box body (1), and the second motor (132) is installed at the end of the second lead screw (131).

7. A cable steam crosslinking apparatus as defined in claim 1, wherein: The two ends of the box body (1) are hingedly connected with the second hydraulic cylinders (121), and the telescopic rods of the second hydraulic cylinders (121) are hingedly connected with the side walls of the mounting door (12).

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