CN116247566A

CN116247566A - Supporting device for corner for laying cables

Info

Publication number: CN116247566A
Application number: CN202310201030.8A
Authority: CN
Inventors: 陈伟; 李继鹏; 张强; 万明; 杨雷; 王立峰; 卢广辉; 赵庆强; 刘宇; 王昆立
Original assignee: Heze Power Supply Co of State Grid Shandong Electric Power Co Ltd
Current assignee: Heze Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-06-09

Abstract

The invention discloses a supporting device for a corner for laying a cable, which comprises a bracket and a rotating plate, wherein the bracket comprises a mounting plate and cross beams fixedly arranged on two sides of the mounting plate, strip-shaped holes are formed in the cross beams, sliding blocks are slidably arranged in the strip-shaped holes, two sides of the rotating plate are rotatably arranged on the sliding blocks, a first fixing piece is arranged on one of the cross beams, a second fixing piece and a guide roller are arranged on the rotating plate, the second fixing piece is fixedly arranged at one end of the rotating plate, an avoidance groove is formed in the other end of the rotating plate, and the guide roller is arranged at the edge of the avoidance groove. The bracket and the rotating plate are mutually matched, so that the device is applicable to corners with different angles, the service scene of the device is greatly improved, the first fixing piece and the second fixing piece can play a role in supporting a cable to ensure normal laying of the cable, the purpose of fixing the cable can be achieved, and the safety of the cable is ensured.

Description

Supporting device for corner for laying cables

Technical Field

The invention belongs to the technical field of cable support, and particularly relates to a support device for a corner for laying a cable.

Background

Cables are wires made of one or more mutually insulated conductors encased in an insulating layer and a protective layer, the cables being used to transfer electrical power or information from one place to another. Cabling refers to the process of laying and installing cables to form cabling in an area under investigation. The cable can be when the corner wall body through laying the in-process, need use guiding device to guide the cable this moment to the phenomenon that appears wearing and tearing when the cable passes through the corner wall body in the reduction, current guiding device mostly can't angle of adjustment, can't adjust according to the corner of different angles, greatly reduced the device service scenario.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides the supporting device for the corner for laying the cable, which is characterized in that the bracket is matched with the rotating plate, so that the device is applicable to the corners with different angles, the use scene of the device is greatly improved, the first fixing piece and the second fixing piece are arranged to play a role in supporting the cable to ensure the normal laying of the cable, the purpose of fixing the cable is also played, and the safety of the cable is ensured.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a strutting arrangement of corner for cable laying, includes bracket, rotor plate, the bracket includes mounting panel and fixed mounting at the crossbeam of mounting panel both sides, it has the bar hole to open on the crossbeam, slidable mounting has the slider in the bar hole, the both sides of rotor plate rotate and install on the slider, install first mounting on one of them crossbeam, install second mounting and guide roll on the rotor plate, second mounting fixed mounting is in the one end of rotor plate, and it dodges the groove to open at the other end of rotor plate, the guide roll is installed in the edge of dodging the groove.

Preferably, the bottom of the rotating plate is also provided with a base plate, the rotating plate and the mounting plate are provided with mounting holes, the mounting holes are waist-shaped holes, the waist-shaped holes are convenient for mounting the device on a wall, the two ends of the rotating plate are conveniently ensured to be parallel to the wall surface, and the safety of a cable is ensured.

Preferably, the first mounting and the second mounting structure are the same, and first mounting and second mounting all include first threaded rod, wire wheel, lifter plate, backup pad and install the riser in the backup pad both sides, riser fixed mounting is in the bottom of backup pad, the both ends of wire wheel rotate and install the bottom at two risers, the lifter plate is established between two risers, and the one end of first threaded rod is rotated and is installed on the lifter plate, and the other end of first threaded rod runs through the backup pad and extends to the top of backup pad, installs the handle at the other end of first threaded rod, and the setting of first mounting and second mounting can play the support cable conductor on the one hand, prevents that the cable conductor from dropping from the guide roll, causes the cable conductor wearing and tearing during laying, and on the other hand can play the purpose of fixed cable conductor, guarantees the safety of cable conductor.

Preferably, the backup pad fixed mounting on the first mounting is on one of them crossbeam, and the backup pad fixed mounting on the second mounting is on the rotor plate, and the backup pad on the first mounting is installed on the crossbeam, has guaranteed that first mounting can follow the removal of bracket and remove, and the backup pad on the second mounting is installed on the rotor plate and is guaranteed that the second mounting can follow the removal of rotor plate and remove, and the setting of first mounting and second mounting cooperation guide roll can realize laying the corner cable conductor, can guarantee the safety of corner cable conductor equally.

Preferably, still include adjusting part, adjusting part fixed mounting is on the crossbeam, and adjusting part includes support, slider, guide bar, first spring, gag lever post and gyro wheel, the gyro wheel rotates and installs on the carriage, carriage slidable mounting is on the support, guide bar fixed mounting is in one side of support, and the guide bar runs through carriage and carriage sliding fit, first spring housing is on the guide bar to be located between support and the carriage, it has a plurality of evenly distributed's spacing hole to open on the guide bar, and the gag lever post cooperatees with the spacing hole, and adjusting part is used for adjusting the position of the cable conductor between first mounting and the guide roll, prevents to take place the friction between cable conductor and the first mounting, causes wearing and tearing to the cable conductor, has guaranteed the safety of cable conductor.

Preferably, the support adopts L type structure, and the carriage includes the sliding plate and installs the curb plate at both ends about the sliding plate, the both ends of gyro wheel are rotated and are installed on the curb plate, and the support is used for supporting the carriage, guarantees the normal work of carriage, and the gyro wheel is used for cooperateing with the cable, reduces the wearing and tearing of cable conductor, has guaranteed the safety of cable conductor.

Preferably, the device further comprises a limiting piece, wherein the limiting piece is fixedly arranged on one side of the sliding block and matched with the strip-shaped hole, and the limiting piece is used for fixing the sliding block on the strip-shaped hole, so that the purpose of adjusting the rotating plate of the fixed plate is achieved, and the flexibility of the device in the use process is improved.

Preferably, the locating part includes baffle, second threaded rod, hand nut, second spring, installation piece, connecting rod and stripper plate, baffle fixed mounting is in one side of slider, the opposite side that the baffle extends to is run through to the one end of second threaded rod, second threaded rod and baffle sliding fit, the installation piece is established in the bar hole, and fixed mounting is in the one end of threaded rod, the second spring cup joints on the second threaded rod, and is located between installation piece and the baffle, the connecting rod symmetry sets up the both sides of installation piece, and is equipped with two connecting rods in one side parallel of installation piece, and the one end rotation of connecting rod is installed on the installation piece, and the other end rotation of connecting rod is installed on the stripper plate, still opens the fixed orifices on the baffle, and the fixed orifices is rectangular form, still installs the dead lever in one side of stripper plate, and with fixed orifices sliding fit, hand nut installs and is located the one end of keeping away from the installation piece on the second threaded rod, when needs fix the bar downthehole, only need rotate hand nut drive second outside the motion to drive the second to push away from the installation piece to the one side of the connecting rod, and the motion to drive the upper end of bar, and the extrusion plate can continue the purpose to rotate the inside wall to the side of the connecting rod to the extrusion plate, and the extrusion plate up to the realization is reached from the bar.

Preferably, the limiting piece further comprises a handle, the handle is fixedly arranged at one end, far away from the mounting block, of the second threaded rod, the handle is used for pulling the threaded rod, the hand-operated nut is convenient to screw and fix the second threaded rod, stability of the sliding block in the working process is guaranteed, and normal working of the device is guaranteed.

Preferably, install the arch on the stripper plate, bellied setting can increase the frictional force of stripper plate and bar downthehole wall, and the locating part can be fixed the slider in the optional position in bar hole, realizes the purpose to the regulation of rotor plate position, has improved the flexibility of device greatly.

The beneficial effects of the invention are as follows:

1) The device bracket and the rotating plate mutually cooperate, so that the device can be applied to corners of different angles, the service scene of the device is greatly improved, the first fixing piece and the second fixing piece can play a role in supporting cables to ensure normal laying of the cables, the purpose of fixing the cables can be achieved, and the safety of the cables is guaranteed.

2) The setting in this device waist shape hole is convenient for install the device on the wall, and the convenience of backing plate guarantees that the both ends and the wall of rotating the board remain parallel, has guaranteed the safety of cable conductor.

3) The setting of this device first mounting and second mounting can play the support cable conductor on the one hand, prevents that the cable conductor from dropping from the guide roll, causes the cable conductor wearing and tearing when laying, on the other hand can play the purpose of fixed cable conductor, guarantees the safety of cable conductor.

4) The backup pad on the first mounting of this device is installed on the crossbeam, has guaranteed that first mounting can follow the removal of bracket and remove, and the backup pad on the second mounting is installed and is guaranteed that the second mounting can follow the removal of rotating the board and remove on the rotating the board, and the setting of first mounting and second mounting cooperation guide roll can realize laying the corner cable line, can guarantee the safety of corner cable line equally.

5) The device adjusting part is used for adjusting the position of the cable between the first fixing part and the guide roller, preventing friction between the cable and the first fixing part, causing abrasion to the cable and ensuring the safety of the cable.

6) The device support is used for supporting the sliding frame, ensures the normal operation of the sliding frame, and the idler wheels are used for being matched with the cable, so that the abrasion of the cable is reduced, and the safety of the cable is ensured.

7) The limiting part of the device is used for fixing the sliding block on the strip-shaped hole, so that the purpose of adjusting the rotating plate of the fixed plate is achieved, and the flexibility of the device in the use process is improved.

8) When the sliding block is required to be fixed in the strip-shaped hole, only the hand-rotating nut is required to be rotated to drive the second threaded rod to move outwards, so that the installation block is pulled to move towards one side of the baffle, the installation block moves to drive the connecting rod to push the extrusion plate upwards until the extrusion plate contacts with the inner wall of the strip-shaped hole, and the hand-rotating nut is continuously rotated to increase the pressure on the extrusion plate and the inner wall of the strip-shaped hole, so that the sliding block is fixed on the strip-shaped hole.

9) The device handle is used for pulling the threaded rod, is convenient for screwing the manual nut to fix the second threaded rod, ensures the stability of the sliding block in the working process, and ensures the normal work of the device.

10 The protruding frictional force of extrusion plate and bar downthehole wall can be increased in this device setting, and the locating part can be fixed the slider in the optional position in bar hole, realizes the purpose to the regulation of rotation plate position, has improved the flexibility of device greatly.

Drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic view of the structure of the rotating plate in the present invention.

Fig. 3 is a schematic view of the structure of the bracket according to the present invention.

Fig. 4 is a schematic structural view of a first fixing member in the present invention.

Fig. 5 is a side view of the stop member of the present invention.

Fig. 6 is a schematic structural view of the limiting member in the present invention.

Fig. 7 is a schematic view of the structure of the adjusting assembly of the present invention.

Fig. 8 is a schematic diagram of the working structure of the present invention.

Fig. 9 is a second schematic diagram of the working structure of the present invention.

In the figure: 1. a rotating plate; 101. a backing plate; 102. an avoidance groove; 103. a guide roller; 104. a mounting hole; 2. a bracket; 201. a mounting plate; 202. a bar-shaped hole; 203. a cross beam; 3. a second fixing member; 301. a handle; 302. a support plate; 303. a lifting plate; 304. a riser; 305. a wire guide wheel; 306. a first threaded rod; 4. a slide block; 5. a limiting piece; 501. a baffle; 502. a second threaded rod; 503. a handle; 504. a hand-screwed nut; 505. a second spring; 506. a mounting block; 507. a connecting rod; 508. an extrusion plate; 509. a fixing hole; 5010. a fixed rod; 6. a first fixing member; 7. an adjustment assembly; 701. a bracket; 702. a roller; 703. a side plate; 704. a limiting hole; 705. a guide rod; 706. a limit rod; 707. a sliding plate; 708. a first spring.

Detailed Description

The following description of the embodiments of the present invention will be made more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, in an illustrative embodiment of the invention, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Example 1

The utility model provides a strutting arrangement of corner for cable laying, includes bracket 2, rotor plate 1, bracket 2 includes mounting panel 201 and fixed mounting at the crossbeam 203 of mounting panel 201 both sides, it has bar hole 202 to open on the crossbeam 203, slidable mounting has slider 4 in bar hole 202, the both sides of rotor plate 1 are rotated and are installed on slider 4, install first mounting 6 on one of them crossbeam 203, install second mounting 3 and guide roll 103 on rotor plate 1, second mounting 3 fixed mounting is in the one end of rotor plate 1, opens at the other end of rotor plate 1 has dodges groove 102, guide roll 103 installs the edge at dodging groove 102.

As a further optimization scheme of the supporting device at the corner for laying the cable, a base plate 101 is further arranged at the bottom of the rotating plate 1, mounting holes 104 are formed in the base plate 101, the rotating plate 1 and the mounting plate 201, and the mounting holes 104 are waist-shaped holes.

The arrangement of the waist-shaped holes is convenient for installing the device on a wall, the two ends of the rotating plate 1 are kept parallel to the wall surface, and the safety of a cable is guaranteed.

As a further optimization scheme of the supporting device at the corner for laying the cable, the first fixing piece 6 and the second fixing piece 3 are identical in structure, each of the first fixing piece 6 and the second fixing piece 3 comprises a first threaded rod 306, a wire guide wheel 305, a lifting plate 303, a supporting plate 302 and vertical plates 304 arranged on two sides of the supporting plate 302, the vertical plates 304 are fixedly arranged at the bottom of the supporting plate 302, two ends of the wire guide wheel 305 are rotatably arranged at the bottoms of the two vertical plates 304, the lifting plate 303 is arranged between the two vertical plates 304, one end of the first threaded rod 306 is rotatably arranged on the lifting plate 303, the other end of the first threaded rod 306 extends to the top of the supporting plate 302 through the supporting plate 302, and a handle 301 is arranged at the other end of the first threaded rod 306.

The setting of first mounting 6 and second mounting 3 can play the support cable conductor on the one hand, prevents that the cable conductor from dropping from guide roll 103, causes the cable conductor wearing and tearing when laying, on the other hand can play the purpose of fixed cable conductor, guarantees the safety of cable conductor.

As a further optimization of the supporting device at the corner for laying the cable line of the present invention, the supporting plate 302 on the first fixing member 6 is fixedly mounted on one of the crossbeams 203, and the supporting plate 302 on the second fixing member 3 is fixedly mounted on the rotating plate 1.

The backup pad 302 on the first mounting 6 is installed on the crossbeam 203, has guaranteed that the first mounting 6 can follow the removal of bracket 2 and remove, and the backup pad 302 on the second mounting 3 is installed on rotating plate 1 and is guaranteed that the second mounting 3 can follow the removal of rotating plate 1 and remove, and the setting of first mounting 6 and second mounting 3 cooperation guide roll 103 can realize laying the corner cable line, can guarantee the safety of corner cable line equally.

Example 2

The difference from embodiment 1 is that as a further optimization scheme of the supporting device at the corner for laying the cable according to the invention, the supporting device further comprises an adjusting assembly 7, the adjusting assembly 7 is fixedly arranged on the cross beam 203, the adjusting assembly 7 comprises a bracket 701, a sliding piece, a guide rod 705, a first spring 708, a limiting rod 706 and a roller 702, the roller 702 is rotatably arranged on the sliding frame, the roller 702 is used for being matched with the cable wire to prevent the cable wire from being damaged due to friction between the cable wire and the sliding frame, the sliding frame is slidably arranged on the bracket 701, the guide rod 705 is fixedly arranged on one side of the bracket 701, the guide rod 705 penetrates through the sliding frame to be slidably matched with the sliding frame, the guide rod 705 is used for guiding the sliding frame, meanwhile, the sliding frame is prevented from being damaged due to inclination, the arrangement of the guide rod 705 is convenient for installing the first spring 708, the first spring 708 is sleeved on the guide rod 705 and is positioned between the bracket 701 and the sliding frame, a plurality of uniformly distributed limiting holes 704 are formed in the guide rod 705, the limiting rod 706 is matched with the limiting holes 704, the limiting rod 704 is used for limiting the movement of the cable wire to be damaged, and the first cable wire can move between the first fixing roller 6 and the fixing roller.

The adjusting component 7 is used for adjusting the position of the cable between the first fixing piece 6 and the guide roller 103, so that friction between the cable and the first fixing piece 6 is prevented, abrasion is caused to the cable, and the safety of the cable is ensured.

As a further optimization scheme of the supporting device at the corner for laying the cable, the bracket 701 adopts an L-shaped structure, the sliding frame comprises a sliding plate 707 and side plates 703 arranged at the upper end and the lower end of the sliding plate 707, and two ends of the roller 702 are rotatably arranged on the side plates 703.

The support 701 is used for supporting the sliding frame, ensures the normal operation of the sliding frame, and the roller 702 is used for being matched with a cable, so that the abrasion of the cable is reduced, and the safety of the cable is ensured.

Example 3

The difference from embodiment 1 and embodiment 2 is that, as a further optimization scheme of the supporting device at the corner for laying the cable, the invention further comprises a limiting piece 5, wherein the limiting piece 5 is fixedly arranged at one side of the sliding block 4, and the limiting piece 5 is matched with the strip-shaped hole 202.

The limiting piece 5 is used for fixing the sliding block 4 on the strip-shaped hole 202, so that the purpose of adjusting the fixed plate rotating plate 1 is achieved, and the flexibility of the device in the use process is improved.

As a further optimization scheme of the supporting device at the corner for laying the cable, the limiting piece 5 comprises a baffle 501, a second threaded rod 502, a hand-rotating nut 504, a second spring 505, a mounting block 506, a connecting rod 507 and a pressing plate 508, wherein the baffle 501 is fixedly arranged on one side of the sliding block 4, one end of the second threaded rod 502 penetrates through the baffle 501 to extend to the other side of the baffle 501, the second threaded rod 502 is in sliding fit with the baffle 501, the pressing plate 508 always faces the side wall of the bar-shaped hole 202 in the process of freely advancing and retreating from the baffle 501, the normal fit of the pressing plate 508 and the bar-shaped hole 202 is ensured, the mounting block 506 is arranged in the bar-shaped hole 202 and fixedly arranged at one end of the threaded rod, the second spring 505 is sleeved on the second threaded rod 502 and is positioned between the mounting block 506 and the baffle 501, the second spring 505 can always provide a pretightening force for the mounting block 506, so that the mounting block 506 is prevented from shaking in the working process, the mounting block 506 and the extrusion plate 508 are convenient to reset, the connecting rods 507 are symmetrically arranged on two sides of the mounting block 506, two connecting rods 507 are arranged on one side of the mounting block 506 in parallel, the extrusion plate 508 can move upwards when the second threaded rod 502 is pulled, the extrusion plate 508 is prevented from tilting in the up-and-down movement process, normal fixing work is influenced, one end of the connecting rod 507 is rotatably mounted on the mounting block 506, the other end of the connecting rod 507 is rotatably mounted on the extrusion plate 508, a fixing hole 509 is further formed in the baffle 501, the fixing hole 509 is long-strip-shaped, a fixing rod 5010 is further mounted on one side of the extrusion plate 508, one end of the fixing rod 5010 is arranged in the fixing hole 509 and is in sliding fit with the fixing hole 509, the hand-screwed nut 504 is installed on the second threaded rod 502 and is located at one end far away from the installation block 506, and the hand-screwed nut 504 can drive the second threaded rod 502 to move on one hand, and can play a role in fixing the second threaded rod 502 on the other hand, so that the slider 4 is ensured to be fixed on the cross beam 203.

Wherein, dead lever 5010 is the shaft structure that one end was equipped with the fixed block, guarantees that the in-process dead lever 5010 of extruding plate 508 up-and-down motion can not go out in the fixed orifices 509, has guaranteed the normal up-and-down motion of extruding plate 508, realizes the purpose to slider 4 is fixed.

When the sliding block 4 needs to be fixed in the bar-shaped hole 202, only the hand-rotating nut 504 needs to be rotated to drive the second threaded rod 502 to move outwards, so that the mounting block 506 is pulled to move to one side of the baffle 501, the mounting block 506 moves to drive the connecting rod 507 to push the extrusion plate 508 upwards until the extrusion plate 508 contacts with the inner wall of the bar-shaped hole 202, and the hand-rotating nut 504 is continuously rotated to increase the pressure on the extrusion plate 508 and the inner wall of the bar-shaped hole 202, so that the purpose of fixing the sliding block 4 on the bar-shaped hole 202 is achieved.

As a further optimization of the supporting device at the corner for laying the cable, the limiting piece 5 further comprises a handle 503, and the handle 503 is fixedly arranged at one end of the second threaded rod 502 far away from the mounting block 506.

The handle 503 is used for pulling the second threaded rod 502, is convenient for screwing the hand-operated nut 504 to fix the second threaded rod 502, ensures the stability of the sliding block 4 in the working process, and ensures the normal work of the device.

As a further optimization scheme of the supporting device at the corner for laying the cable, the extruding plate 508 is provided with the bulge, and the friction between the extruding plate 508 and the inner wall of the strip-shaped hole 202 can be increased by the bulge.

The limiting piece 5 can fix the sliding block 4 at any position of the strip-shaped hole 202, so that the purpose of adjusting the position of the rotating plate 1 is achieved, and the flexibility of the device is greatly improved.

The foregoing is merely illustrative and explanatory of the invention, as it is well within the scope of the invention as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the scope of the invention as disclosed in the accompanying claims.

Claims

1. The utility model provides a strutting arrangement of corner for cable laying, includes bracket, rotor plate, its characterized in that, the bracket includes mounting panel and fixed mounting at the crossbeam of mounting panel both sides, it has the bar hole to open on the crossbeam, slidable mounting has the slider in the bar hole, the both sides of rotor plate rotate and install on the slider, install first mounting on one of them crossbeam, install second mounting and guide roll on the rotor plate, second mounting fixed mounting is at the one end of rotor plate, and it has dodges the groove to open at the other end of rotor plate, the edge in dodging the groove is installed to the guide roll.

2. The supporting device for a corner for laying cables according to claim 1, wherein a backing plate is further installed at the bottom of the rotating plate, mounting holes are formed in the backing plate, the rotating plate and the mounting plate, and the mounting holes are waist-shaped holes.

3. The supporting device for a corner for laying cables according to claim 1, wherein the first fixing member and the second fixing member have the same structure, the first fixing member and the second fixing member each comprise a first threaded rod, a wire guide wheel, a lifting plate, a supporting plate and vertical plates arranged on two sides of the supporting plate, the vertical plates are fixedly arranged at the bottoms of the supporting plates, two ends of the wire guide wheel are rotatably arranged at the bottoms of the two vertical plates, the lifting plate is arranged between the two vertical plates, one end of the first threaded rod is rotatably arranged on the lifting plate, the other end of the first threaded rod penetrates through the supporting plate to extend to the top of the supporting plate, and a handle is arranged at the other end of the first threaded rod.

4. A corner support device for cabling as claimed in claim 3, wherein the support plate on the first fixing member is fixedly mounted on one of the cross beams and the support plate on the second fixing member is fixedly mounted on the rotating plate.

5. The supporting device for a corner for laying cables according to claim 1, further comprising an adjusting assembly fixedly mounted on the cross beam, wherein the adjusting assembly comprises a bracket, a sliding part, a guide rod, a first spring, a limiting rod and a roller, the roller is rotatably mounted on the sliding frame, the sliding frame is slidably mounted on the bracket, the guide rod is fixedly mounted on one side of the bracket, the guide rod penetrates through the sliding frame to be slidably matched with the sliding frame, the first spring is sleeved on the guide rod and is positioned between the bracket and the sliding frame, a plurality of uniformly distributed limiting holes are formed in the guide rod, and the limiting rod is matched with the limiting holes.

6. The supporting device for a corner for laying cables according to claim 5, wherein the bracket has an L-shaped structure, the carriage comprises a sliding plate and side plates mounted on the upper and lower ends of the sliding plate, and both ends of the roller are rotatably mounted on the side plates.

7. The supporting device for a corner for laying cables according to claim 1, further comprising a limiting member fixedly installed on one side of the slider, and the limiting member is matched with the bar-shaped hole.

8. The supporting device for a corner for laying cables according to claim 7, wherein the limiting member comprises a baffle, a second threaded rod, a hand nut, a second spring, a mounting block, a connecting rod and an extrusion plate, the baffle is fixedly mounted on one side of the sliding block, one end of the second threaded rod penetrates through the baffle to extend to the other side of the baffle, the second threaded rod is in sliding fit with the baffle, the mounting block is arranged in a strip-shaped hole and is fixedly mounted on one end of the threaded rod, the second spring is sleeved on the second threaded rod and is positioned between the mounting block and the baffle, the connecting rods are symmetrically arranged on two sides of the mounting block, two connecting rods are parallelly arranged on one side of the mounting block, one end of each connecting rod is rotatably mounted on the mounting block, the other end of each connecting rod is rotatably mounted on the extrusion plate, a fixing hole is further formed in the baffle, the fixing rod is further mounted on one side of the extrusion plate, and one end of the fixing rod is arranged in the fixing hole and is in sliding fit with the fixing hole.

9. A corner support device for cabling as in claim 8 wherein the stop further comprises a pull handle fixedly mounted to the end of the second threaded rod remote from the mounting block.

10. A corner support device for cabling as in claim 8 wherein the extrusion plate is provided with protrusions.