Electric power tunnel cable laying auxiliary device

Abstract

The invention relates to an electric power tunnel cable laying auxiliary device, and relates to the technical field of cable laying, the electric power tunnel cable laying auxiliary device is characterized in that a mounting hole is formed in a device shell in a penetrating manner, a guide assembly comprises a mounting seat, the mounting seat is arranged on the device shell, a guide wheel is rotatably mounted on the mounting seat, and two groups of auxiliary guide parts are symmetrically arranged on the device shell; the auxiliary guide part comprises a push rod, the push rod is slidably mounted on the device shell, a fixing rod is fixedly mounted on the push rod, the first guide rod is rotatably mounted on the fixing rod, and the second guide rod is fixedly mounted on the push rod. The cable support has the effects of preventing the cable from being abraded and damaged by the support in the cable laying process of the power tunnel and preventing the cable from being twisted and falling off during turning section construction.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cable laying, in particular to a power tunnel cable laying auxiliary device. BACKGROUND

[0002] With the acceleration of urbanization and the continuous growth of power demand, power tunnels have become the core infrastructure of modern power transmission networks. Cable laying is a key link in the construction of power tunnels. Traditional power tunnel cable laying mainly relies on manual traction, roller support and mechanical dragging. After the cable is laid, workers need to lift each section of the cable and place it on the support and fix it on the support through the clamp. A large amount of manpower is consumed in the entire cable laying process.

[0003] In the Chinese patent file with application number CN202310644199.0, a cable laying device for power tunnel construction is disclosed, which includes a clamping arc plate, a supporting ball and a cable laying vehicle. The clamping arc plate can be moved up and down to fix the cable, facilitating the lifting of the cable after the cable is laid. After adjusting the height of the clamping arc plate, it can adapt to cable laying work of different heights, reducing the amount of manual labor and auxiliary traction.

[0004] However, when laying the cable through the above device, the cable naturally sags under the action of gravity, and the cable will come into contact with the power tunnel support and generate friction. Long-time dragging of the cable will cause wear and tear to the cable. Moreover, during the construction of the turning section, the twisting of the cable will increase the risk of the cable falling off the support. SUMMARY

[0005] In order to avoid the wear and tear of the cable by the support during the cable laying process of the power tunnel and prevent the cable from twisting and falling off during the construction of the turning section, the present application provides a power tunnel cable laying auxiliary device.

[0006] The power tunnel cable laying auxiliary device provided by the present application adopts the following technical solution: A power tunnel cable laying auxiliary device, comprising: a device housing, an installation hole being formed through the device housing; a guide assembly, the guide assembly comprising a mounting seat, the mounting seat being arranged on the device housing; a guide wheel, the guide wheel being rotatably mounted on the mounting seat; two groups of auxiliary guide pieces, the two groups of auxiliary guide pieces being symmetrically arranged on the device housing, the auxiliary guide piece comprising a push rod, the push rod being slidably mounted on the device housing, and a fixed rod being fixedly mounted on the push rod; a first guide rod, the first guide rod being rotatably mounted on the fixed rod; A second guide rod is fixedly installed on the push rod.

[0007] Optionally, the guide assembly further comprises: An electric telescopic rod has a fixed end fixedly installed on the device housing and an active end fixedly connected with the mounting seat. A guide block is fixedly installed on the device housing, and a through slot is formed in the guide block, and the mounting seat is slidingly installed in the through slot.

[0008] Optionally, the auxiliary guide further comprises: An auxiliary telescopic rod has a fixed end fixedly installed on the device housing and an active end fixedly installed on the push rod. A first reset spring is sleeved on the auxiliary telescopic rod, one end of the first reset spring is fixedly connected with the fixed end of the auxiliary telescopic rod, and the other end of the first reset spring is fixedly connected with the push rod.

[0009] Optionally, the auxiliary guide further comprises: A third guide rod is rotatably installed on the first guide rod, and a blocking rod is fixedly connected to the third guide rod. A rotating motor has a fixed end fixedly installed on the first guide rod, and an output end fixedly connected with the third guide rod.

[0010] Optionally, the auxiliary guide further comprises: A spur gear is rotatably installed on the fixed rod, and the spur gear is fixedly connected with the first guide rod. A rack is slidingly installed on the mounting seat, and the rack is meshingly connected with the spur gear. A second reset spring has one end fixedly installed on the device housing and the other end abutting against the rack.

[0011] Optionally, the device further comprises a fixing assembly, and the fixing assembly comprises: A driving bevel gear is rotatably installed in the device housing. A first clamping bolt is coaxially and threadedly connected with the driving bevel gear and slidingly installed in the device housing.

[0012] Optionally, the fixing assembly further comprises: The driven bevel gears are provided with two, the two driven bevel gears are symmetric and rotationally installed in the device housing, and the driven bevel gears are meshingly connected with the driving bevel gear; The second clamping bolt is coaxially threaded and screw-connected on the driven bevel gear, and is threaded and slidingly installed on the device housing.

[0013] Optionally, the first clamping bolt and the second clamping bolt are both rotationally installed with a clamping block on an end away from the device housing. The clamping block is fixedly installed with a rubber pad.

[0014] Optionally, the fixing assembly further comprises: The fixing block is coaxial with and fixedly connected with the driving bevel gear, and is threaded and rotationally installed on the device housing. The rotating rod is sleeved on the fixing block, and the rotating rod can drive the fixing block to rotate, and the rotating rod is in abutment with the device housing.

[0015] Optionally, further comprising a clamp in abutment with the device housing.

[0016] As described above, the present application has at least one of the following beneficial technical effects: 1. When using the power tunnel cable laying auxiliary device, the device housing is sleeved on the support, the support is threaded in the mounting hole, the device housing is in abutment with the clamp, and then the cable laying vehicle is used to lay the cable on the guide assembly, the cable is guided and limited by the guide assembly, the abrasion and damage of the cable by the support during the power tunnel cable laying process are avoided, and the cable is prevented from being twisted and falling off during the turning section construction; 2. The length of the electric telescopic rod is adjusted to extend, the height of the guide wheel is adapted to the height of the cable laying vehicle, the cable is prevented from contacting the guide block, the cable is laid on the guide wheel by the cable laying vehicle, the cable is rolled on the guide wheel during the cable laying process, the friction on the surface of the cable during the laying process is reduced, and the abrasion and damage of the surface of the cable during the laying process are avoided. The cable is guided by the guide wheel, the cable is prevented from directly contacting the support, and the traction force of the cable laying vehicle on the cable is reduced. 3, after the device shell is sleeved on the support, the worker rotates the rotating rod, the rotating rod rotates and drives the fixed block to rotate, the fixed block rotates and drives the driving bevel gear to rotate, the driving bevel gear rotates and drives the first clamping bolt to move towards the support, so that the clamping block abuts against the support. The driving bevel gear rotates and drives the driven bevel gear to rotate, the driven bevel gear rotates and drives the second clamping bolt to move towards the support, so that the clamping block abuts against the support. The device shell is stably installed on the support through the fixing assembly, and the structural stability of the power tunnel cable laying auxiliary device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of the embodiment of the application; Figure 2 is a structural schematic diagram for showing the guide wheel; Figure 3 is a structural schematic diagram for showing the auxiliary guide piece; Figure 4 is a structural schematic diagram for showing the fixing assembly; Figure 5 is a structural schematic diagram for showing that the cable is placed on the clamp; Figure 6 is a structural schematic diagram for showing the third guide rod.

[0018] Explanation of reference signs: 1, device shell; 11, mounting hole; 2, guide assembly; 21, mounting seat; 22, guide wheel; 23, auxiliary guide piece; 231, push rod; 2311, fixed rod; 2312, auxiliary telescopic rod; 2313, first reset spring; 232, first guide rod; 233, second guide rod; 234, third guide rod; 2341, blocking rod; 235, rotating motor; 236, straight gear; 237, rack; 238, second reset spring; 24, electric telescopic rod; 25, guide block; 251, through slot; 3, fixing assembly; 31, driving bevel gear; 32, first clamping bolt; 33, driven bevel gear; 34, second clamping bolt; 35, clamping block; 36, fixed block; 37, rotating rod; 4, clamp. DETAILED DESCRIPTION

[0019] The following will be described in detail in combination with the accompanying Figures 1-6 The application will be further described in detail.

[0020] The embodiment of the application discloses a power tunnel cable laying auxiliary device.

[0021] Reference Figure 1 and Figure 4The utility model provides an electric power tunnel cable laying auxiliary device, which comprises a device housing 1, a clamp 4, a guide assembly 2 and a fixing assembly 3.

[0022] A mounting hole 11 is formed through the device housing 1, a support is arranged in the mounting hole 11, the clamp 4 is fixedly installed on the support, the clamp 4 abuts against the device housing 1, the guide assembly 2 is installed on the device housing 1, and the guide assembly 2 is used for guiding the cable.

[0023] When the electric power tunnel cable laying auxiliary device is used, the device housing 1 is sleeved on the support, the support is arranged in the mounting hole 11, the device housing 1 abuts against the clamp 4, then the cable is laid on the guide assembly 2 by using a cable tractor, the cable is guided and limited by the guide assembly 2, the abrasion and damage of the cable caused by the support during the electric power tunnel cable laying process are avoided, and the cable is prevented from being twisted and falling off during the turning section construction.

[0024] Referring to Figure 2 , Figure 3 and Figure 5 , the guide assembly 2 comprises a mounting seat 21, a guide wheel 22, an electric telescopic rod 24, a guide block 25 and an auxiliary guide piece 23.

[0025] The guide block 25 is fixedly installed on the device housing 1, the guide block 25 is in the shape of a triangular prism, a through groove 251 is formed in the guide block 25, the mounting seat 21 is slidably installed in the through groove 251, and the guide wheel 22 is rotatably installed on the mounting seat 21.

[0026] The length of the electric telescopic rod 24 is adjusted to be elongated, the height of the guide wheel 22 is adapted to the height of the cable tractor, the cable is prevented from being in contact with the guide block 25, the cable is laid on the guide wheel 22 by using the cable tractor, in the cable laying process, the cable is rolled on the guide wheel 22, the friction of the surface of the cable in the laying process is reduced, and the surface of the cable is prevented from being abraded and damaged in the laying process.

[0027] After the cable is laid, the length of the electric telescopic rod 24 is adjusted to be shortened, the guide wheel 22 enters the through groove 251, the cable abuts against the guide block 25, the cable slides along the inclined surface of the guide block 25 to the clamp 4 under the action of gravity, manual work for carrying the cable to the clamp 4 is avoided, and manual work is saved.

[0028] The auxiliary guide 23 is provided with two groups, and the two groups of auxiliary guides 23 are symmetrically arranged on the device housing 1. The auxiliary guide 23 comprises a push rod 231, a first guide rod 232, a second guide rod 233, an auxiliary telescopic rod 2312, and a first reset spring 2313.

[0029] The push rod 231 is slidingly installed on the device housing 1. The fixed rod 2311 is fixedly installed on the push rod 231. The first guide rod 232 is rotatably installed on the fixed rod 2311. The second guide rod 233 is fixedly installed on the push rod 231. The fixed end of the auxiliary telescopic rod 2312 is fixedly installed on the device housing 1. The movable end of the auxiliary telescopic rod 2312 is fixedly installed on the push rod 231. The first reset spring 2313 is sleeved on the auxiliary telescopic rod 2312. One end of the first reset spring 2313 is fixedly connected with the fixed end of the auxiliary telescopic rod 2312. The other end of the first reset spring 2313 is fixedly connected with the push rod 231.

[0030] When the cable is laid, the cable is limited by the first guide rod 232 and the second guide rod 233, so that the cable can always abut against the guide wheel 22 during laying. At the same time, the positions of the first guide rod 232 and the second guide rod 233 can be adaptively adjusted through the adaptive adjustment of the auxiliary telescopic rod 2312 and the first reset spring 2313, so as to conveniently limit the cable during the turning section construction, improve the stability during the cable laying process, and prevent the cable from being twisted and falling off during the turning section construction.

[0031] Referring to Figure 2 , Figure 3 and Figure 6 , the auxiliary guide 23 further comprises a third guide rod 234, a rotating motor 235, a straight gear 236, a rack 237, and a second reset spring 238.

[0032] The third guide rod 234 is rotationally installed on the first guide rod 232, the third guide rod 234 is fixedly connected with a blocking rod 2341, the axis of the blocking rod 2341 is perpendicular to the axis of the third guide rod 234, the fixed end of a rotating motor 235 is fixedly installed on the first guide rod 232, the output end of the rotating motor 235 is fixedly connected with the third guide rod 234, the rotating motor 235 has a self-locking function, when the rotating motor 235 works, the third guide rod 234 can be driven to relatively rotate with the first guide rod 232, when the rotating motor 235 stops working, the third guide rod 234 is relatively fixed with the first guide rod 232. The spur gear 236 is rotationally installed on the fixed rod 2311, the spur gear 236 is fixedly connected with the first guide rod 232, the rack 237 is slidingly installed on the mounting seat 21, the sliding direction of the rack 237 is parallel to the extension direction of the movable end of the auxiliary telescopic rod 2312, the rack 237 is in meshing connection with the spur gear 236. One end of the second reset spring 238 is fixedly installed on the device shell 1, the other end of the second reset spring 238 is in abutment with the rack 237, the second reset spring 238 always applies a force on the rack 237 in the direction close to the spur gear 236.

[0033] During the cable laying process, the first guide rod 232 overlaps with the third guide rod 234, after the cable laying is completed, the rotating motor 235 is started, the rotating motor 235 works and drives the third guide rod 234 to rotate, so that the third guide rod 234 rotates by 180°, then the length of the electric telescopic rod 24 is adjusted to be shortened, so that the guide wheel 22 enters the through slot 251, the length of the electric telescopic rod 24 is shortened, the mounting seat 21 moves and drives the rack 237 to move, the rack 237 moves and drives the spur gear 236 to rotate, the spur gear 236 rotates and drives the first guide rod 232 and the third guide rod 234 to rotate, so that the axes of the first guide rod 232 and the third guide rod 234 are parallel to the inclined surface of the guide block 25.

[0034] Under the action of gravity, the cable slides along the inclined surface of the guide block 25 and falls into the clamp 4, the first guide rod 232 and the third guide rod 234 play a guiding role on the cable, at the same time, the blocking rod 2341 plays a limiting role on the cable, which avoids the cable from falling from one side of the clamp 4 and then falling off from the other side of the clamp 4 under the action of inertia, and improves the structural stability of the auxiliary guide 23.

[0035] After the cable falls into the clamp 4, the rotating motor 235 is started, the rotating motor 235 works and drives the third guide rod 234 to rotate, the third guide rod 234 rotates and drives the blocking rod 2341 to rotate towards the direction close to the device shell 1, until the axis of the blocking rod 2341 is parallel to the axis of the bracket, so that the device shell 1 is conveniently taken away from the bracket.

[0036] Because part of the bracket is set higher in the power tunnel, the staff is very inconvenient when installing and fixing the device shell 1 on the bracket. In order to facilitate the device shell 1 to be sleeved on the bracket, the cross-sectional size of the mounting hole 11 is set to be slightly larger than the cross-sectional size of the bracket, and the device shell 1 is stably installed on the bracket through the fixing assembly 3.

[0037] Referring to Figure 1 and Figure 4 , the fixing assembly 3 includes a driving bevel gear 31, a first clamping bolt 32, a driven bevel gear 33, a second clamping bolt 34, and a clamping block 35.

[0038] The driving bevel gear 31 is rotatably installed in the device shell 1, the first clamping bolt 32 is coaxially arranged and threadedly connected on the driving bevel gear 31, the first clamping bolt 32 is arranged on the device shell 1, and the first clamping bolt 32 is slidably installed on the device shell 1 through the sliding block and sliding groove cooperation.

[0039] The driven bevel gear 33 is provided with two, the two driven bevel gears 33 are symmetrically and rotatably installed in the device shell 1, the driven bevel gear 33 is meshingly connected with the driving bevel gear 31, the second clamping bolt 34 is coaxially arranged and threadedly connected on the driven bevel gear 33, the second clamping bolt 34 is arranged on the device shell 1, and the second clamping bolt 34 is slidably installed on the device shell 1 through the sliding block and sliding groove cooperation. The first clamping bolt 32 and the second clamping bolt 34 are rotatably installed with the clamping block 35 on the end away from the device shell 1, and the clamping block 35 is fixedly installed with the rubber pad.

[0040] The fixing assembly 3 further includes a fixing block 36 and a rotating rod 37.

[0041] The fixing block 36 is coaxial and fixedly connected with the driving bevel gear 31, the fixing block 36 is arranged and rotatably installed on the device shell 1, the fixing block 36 is shaped as a hexagonal prism, the rotating rod 37 is provided with a limiting hole in the shape of a hexagonal prism at one end, the rotating rod 37 is sleeved on the fixing block 36, the limiting hole can be matched with the fixing block 36, the rotating rod 37 can drive the fixing block 36 to rotate, and the rotating rod 37 abuts against the device shell 1.

[0042] When using a kind of power tunnel cable laying auxiliary device, the staff can hold the rotating rod 37 to lift the device shell 1, and the device shell 1 is sleeved on the bracket, which facilitates the staff to install the device shell 1.

[0043] After the device shell 1 is sleeved on the support, the worker rotates the rotating rod 37, the rotating rod 37 rotates and drives the fixed block 36 to rotate, the fixed block 36 rotates and drives the driving bevel gear 31 to rotate, the driving bevel gear 31 rotates and drives the first clamping bolt 32 to move towards the support, so that the clamping block 35 abuts against the support. The driving bevel gear 31 drives the driven bevel gear 33 to rotate at the same time, the driven bevel gear 33 rotates the rotating rod 37 and drives the second clamping bolt 34 to move towards the support, so that the clamping block 35 abuts against the support. The device shell 1 is stably installed on the support through the fixing assembly 3, and the structural stability of the power tunnel cable laying auxiliary device is improved.

[0044] The implementation principle of the power tunnel cable laying auxiliary device is as follows: when the power tunnel cable laying auxiliary device is used, the device shell 1 is sleeved on the support, the support is arranged in the mounting hole 11, the device shell abuts against the clamp 4, then the cable laying vehicle is used to lay the cable on the guide assembly 2, the cable is guided and limited by the guide assembly 2, the abrasion and damage of the cable caused by the support during the power tunnel cable laying process are avoided, and the cable is prevented from being twisted and dropped during the turning section construction.

[0045] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: equivalent changes made according to the structure, shape and principle of the application should be covered in the protection scope of the application.

Claims

1. A power tunnel cable laying auxiliary device, characterized in that: include: A device housing (1), wherein a mounting hole (11) is formed through the device housing (1); A guide assembly (2), the guide assembly (2) comprising a mounting seat (21), the mounting seat (21) being arranged on the device housing (1); A guide wheel (22), the guide wheel (22) being rotatably mounted on the mounting seat (21); Two groups of auxiliary guide members (23), the two groups of auxiliary guide members (23) are symmetrically arranged on the device housing (1), the auxiliary guide members (23) include push rods (231), the push rods (231) are slidably mounted on the device housing (1), and a fixing rod (2311) is fixedly mounted on the push rods (231); a first guide rod (232), the first guide rod (232) being rotatably mounted on the fixed rod (2311); A second guide rod (233), wherein the second guide rod (233) is fixedly mounted on the push rod (231).

2. The power tunnel cable laying auxiliary device according to claim 1, characterized in that: The guide assembly (2) further comprises: An electric telescopic rod (24), wherein a fixed end of the electric telescopic rod (24) is fixedly mounted on the device housing (1), and a movable end of the electric telescopic rod (24) is fixedly connected to the mounting seat (21); A guide block (25) is fixedly mounted on the device housing (1); a through slot (251) is provided on the guide block (25); and the mounting seat (21) is slidably mounted in the through slot (251).

3. The power tunnel cable laying auxiliary device according to claim 1, characterized in that: The auxiliary guide member (23) further includes: An auxiliary telescopic rod (2312), wherein the fixed end of the auxiliary telescopic rod (2312) is fixedly mounted on the device housing (1), and the movable end of the auxiliary telescopic rod (2312) is fixedly mounted on the push rod (231); A first return spring (2313), wherein the first return spring (2313) is sleeved on the auxiliary telescopic rod (2312), one end of the first return spring (2313) is fixedly connected to the fixed end of the auxiliary telescopic rod (2312), and the other end of the first return spring (2313) is fixedly connected to the push rod (231).

4. The power tunnel cable laying auxiliary device according to claim 1, characterized in that: The auxiliary guide member (23) further includes: a third guide rod (234), the third guide rod (234) being rotatably mounted on the first guide rod (232), and a blocking rod (2341) being fixedly connected to the third guide rod (234); A rotating motor (235), wherein a fixed end of the rotating motor (235) is fixedly mounted on the first guide rod (232), and an output end of the rotating motor (235) is fixedly connected to the third guide rod (234).

5. The power tunnel cable laying auxiliary device according to claim 2, characterized in that: The auxiliary guide member (23) further includes: a spur gear (236), the spur gear (236) being rotatably mounted on the fixed rod (2311), the spur gear (236) being fixedly connected to the first guide rod (232); a rack (237), the rack (237) being slidably mounted on the mounting seat (21), the rack (237) being meshedly connected with the spur gear (236); A second return spring (238), one end of the second return spring (238) is fixedly mounted on the device housing (1), and the other end of the second return spring (238) is in contact with the rack (237).

6. The power tunnel cable laying auxiliary device according to claim 1, characterized in that: It also includes a fixing component (3), which includes: A driving bevel gear (31), the driving bevel gear (31) being rotatably mounted in the device housing (1); A first clamping bolt (32), the first clamping bolt (32) is coaxially penetrated and threadedly connected to the active bevel gear (31), and the first clamping bolt (32) is penetrated and slidably mounted on the device housing (1).

7. The power tunnel cable laying auxiliary device according to claim 6, characterized in that: The fixing assembly (3) further comprises: A driven bevel gear (33), wherein two driven bevel gears (33) are provided, and the two driven bevel gears (33) are symmetrically and rotatably mounted in the device housing (1), and the driven bevel gear (33) is meshedly connected with the driving bevel gear (31); A second clamping bolt (34), the second clamping bolt (34) is coaxially arranged and threadedly connected to the driven bevel gear (33), and the second clamping bolt (34) is arranged and slidably mounted on the device housing (1).

8. The power tunnel cable laying auxiliary device according to claim 7, characterized in that: A clamping block (35) is rotatably mounted on one end of each of the first clamping bolt (32) and the second clamping bolt (34) away from the device housing (1); A rubber pad is fixedly mounted on the clamping block (35).

9. The power tunnel cable laying auxiliary device according to claim 6, characterized in that: The fixing assembly (3) further comprises: A fixed block (36), the fixed block (36) is coaxial with and fixedly connected to the active bevel gear (31), and the fixed block (36) is passed through and rotatably mounted on the device housing (1); A rotating rod (37) is sleeved on the fixed block (36); rotation of the rotating rod (37) can drive the fixed block (36) to rotate; the rotating rod (37) abuts against the device housing (1).

10. The power tunnel cable laying auxiliary device according to claim 1, characterized in that: It also includes a clamp (4), which abuts against the device housing (1).

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