Cable laying device for electrical automation control

Abstract

The utility model relates to the technical field of cable laying, and discloses a cable laying device for electrical automation control, which comprises a bottom plate I and a bottom plate II, the rear side of the bottom plate II is fixedly connected with a plurality of motor protection shells, and the inner bottom walls of the plurality of motor protection shells are fixedly connected with servo motors; the output ends of the multiple servo motors are fixedly connected with first gears, multiple rotating grooves are formed in the rear side of the second bottom plate, threaded grooves are formed in the front sides of the inner walls of the multiple rotating grooves, the inner walls of the multiple rotating grooves are rotationally connected with rotating columns, and the rear sides of the outer walls of the multiple rotating columns are fixedly connected with second gears. According to the straightening device, the servo motor is started to enable the two gears to rotate synchronously, the rotating column and the threaded column are promoted to operate, then the distance between the two bottom plates is adjusted, meanwhile, the straightening range of the outer sleeve is adjusted by the inner sleeve through the limiting sliding rail and the sliding groove, and the adaptability of the straightening device to narrow sections is enhanced.

Description

Technical Field

[0001] This utility model relates to the field of cable laying technology, and in particular to a cable laying device for electrical automation control. Background Technology

[0002] Cables are linear or tubular electrical devices made of one or more mutually insulated conductors and an insulating protective layer. They are widely used in power generation, transmission, distribution, and electrical equipment connections. Moreover, with the rapid advancement of urban construction and the continuous improvement of industrial automation, the scale and complexity of cable laying projects are also constantly increasing.

[0003] Traditional cable laying methods rely on manual operation. Cable sleeves are quite heavy, and manual handling and installation during cable laying consume a lot of manpower and time, resulting in extremely high labor intensity for workers. In order to lay cables faster, electrical automation control cable laying devices have been created.

[0004] While cable laying devices for electrical automation control can help people lay cables quickly, they lack an effective cable straightening mechanism, causing cables to bend or twist when pulled out, affecting laying efficiency and quality. The existing solution is to use a combination of multiple sets of pressing rollers and slide rail supports, with the pressing rollers being driven to retract by a threaded shaft to provide continuous tension to straighten the cables. However, in extreme terrains such as steep slopes and narrow pipes, manual assistance is still required, and the device lacks all-terrain adaptability. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a cable laying device for electrical automation control, which aims to improve the problem that the existing devices cannot adapt to extreme terrains such as steep slopes and narrow pipes.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a cable laying device for electrical automation control, comprising a base plate one and a base plate two. Multiple motor protective shells are fixedly connected to the rear side of the base plate two. Servo motors are fixedly connected to the inner bottom walls of each of the multiple motor protective shells. Gears are fixedly connected to the output ends of each of the multiple servo motors. Multiple rotating grooves are formed on the rear side of the base plate two. Threaded grooves are formed on the front side of the inner walls of each of the multiple rotating grooves. Rotating columns are rotatably connected to the inner walls of each of the multiple rotating grooves. The rear side of the outer walls of each of the multiple rotating columns... Each of the rotating columns is fixedly connected with a gear II. The front end of each of the multiple rotating columns is fixedly connected with a threaded column. Two slide rail brackets are fixedly connected to the top front side of the base plate I and the top rear side of the base plate II. Two moving blocks are slidably connected to the inner walls of the multiple slide rail brackets. An inner sleeve is rotatably connected to the adjacent side of each of the front and rear moving blocks. The same outer sleeve is slidably connected to the outer side of each of the front and rear inner sleeves. A cable guiding and straightening mechanism is provided on the right side of the right slide rail bracket. The cable guiding and straightening mechanism is used to guide and straighten multiple cables simultaneously.

[0007] As a further description of the above technical solution:

[0008] The cable guiding and straightening mechanism includes two fixed blocks. The left sides of the two fixed blocks are respectively fixed to the top right side of the right slide rail bracket. The right side of the front fixed block is rotatably connected to the second mounting bracket, and the right side of the rear fixed block is rotatably connected to the first mounting bracket. The adjacent sides of the first and second mounting brackets are rotatably connected to the lower pressure roller shafts. Multiple auxiliary wheels are fixedly connected to the outer walls of the two lower pressure roller shafts. Two guide shells are fixedly connected to the right side of the first base plate and the right side of the second base plate. Two sliding shafts are rotatably connected to the inner walls of the multiple guide shells. A steering assembly is provided in the middle right side of the right slide rail bracket.

[0009] As a further description of the above technical solution:

[0010] The steering assembly includes two rotating shafts, the left sides of which are fixedly connected to the middle right side of the right slide rail bracket. The inner walls of the two rotating shafts are rotatably connected to electric push rods, and the top ends of the two electric push rods are rotatably connected to rotating shafts.

[0011] As a further description of the above technical solution:

[0012] Two tension sensors are fixedly connected to the top right side of base plate one and the top right side of base plate two, and two tension adjusters are fixedly connected to the top of base plate one and the top of base plate two.

[0013] As a further description of the above technical solution:

[0014] Multiple limiting slide rails are fixedly connected to the outer walls of the multiple inner sleeves, and limiting slide grooves are opened at the front and rear ends of the multiple outer sleeves.

[0015] As a further description of the above technical solution:

[0016] A control console is fixedly connected to the top left side of the base plate 2, and a control panel is fixedly connected to the top of the control console.

[0017] As a further description of the above technical solution:

[0018] The bottom of both the first base plate and the second base plate are rotatably connected to multiple support blocks, and the bottom of each of the multiple support blocks is rotatably connected to a movable wheel.

[0019] As a further description of the above technical solution:

[0020] Each of the adjacent sides of the moving blocks on the front and rear sides is provided with a placement groove, and each of the outermost sides of the inner sleeves on the front and rear sides is fixedly connected with a rotating block.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the servo motor is started through the control panel, which enables the two gears to rotate synchronously, thereby driving the rotating column and the threaded column to rotate. Furthermore, the threaded column and the threaded groove are connected by threads, making the distance between the first base plate and the second base plate controllable. At the same time, the inner sleeves located on the front and rear sides of the first and second base plates, with the cooperation of the limiting slide rail and the limiting slide groove, make the range of the outer sleeve's straightening effect on the cable controllable, and also make the device adaptable to passage in narrow sections, thus improving the adaptability of the device.

[0023] 2. In this utility model, the tilt angle of the two mounting brackets is increased by the electric push rod, so that the two pressure rollers installed on one side of the mounting bracket can be pressed down after the cable is straightened, so as to avoid the cable being damaged due to excessive height difference between the cable and the device when the cable reaches the ground. In addition, multiple auxiliary wheels can separate the cables in time when multiple cables tend to get close to each other during the laying process, so as to prevent the cables from getting tangled. Attached Figure Description

[0024] Figure 1 This is a perspective view of a cable laying device for electrical automation control proposed in this utility model;

[0025] Figure 2 This is a front view of a cable laying device for electrical automation control proposed in this utility model;

[0026] Figure 3 This is a top view of a cable laying device for electrical automation control proposed in this utility model;

[0027] Figure 4 This is an exploded view of the motor protective housing of a cable laying device for electrical automation control proposed in this utility model;

[0028] Figure 5 This is a cross-sectional view of the outer sleeve of a cable laying device for electrical automation control proposed in this utility model;

[0029] Figure 6 This is a cross-sectional view of the base plate of a cable laying device for electrical automation control proposed in this utility model.

[0030] Legend:

[0031] 1. Base plate one; 2. Base plate two; 3. Cable guiding and straightening mechanism; 301. Fixing block; 302. Mounting bracket one; 303. Mounting bracket two; 304. Lower pressure roller shaft; 305. Auxiliary wheel; 306. Guide shell; 307. Sliding shaft; 4. Motor protective shell; 5. Servo motor; 6. Gear one; 7. Rotating column; 8. Gear two; 9. Threaded column; 10. Rotating groove; 11. Threaded groove; 12. Inner sleeve; 13. Outer sleeve; 14. Limiting slide rail; 15. Limiting slide groove; 16. Slide rail bracket; 17. Moving block; 18. Placement groove; 19. Rotating block; 20. Rotating shaft one; 21. Electric push rod; 22. Rotating shaft two; 23. Control console; 24. Control panel; 25. Support block; 26. Moving wheel; 27. Tension sensor; 28. Tension adjuster. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Reference Figure 3 , Figure 4 and Figure 5This utility model provides an embodiment of a cable laying device for electrical automation control, comprising a base plate 1 and a base plate 2. Multiple motor protective shells 4 are fixedly connected to the rear side of the base plate 2, protecting servo motors 5. Servo motors 5 are fixedly connected to the inner bottom walls of each of the multiple motor protective shells 4, providing power for the rotation of gear 6. Gear 6 is fixedly connected to the output ends of each of the multiple servo motors 5. Multiple rotating grooves 10 are provided on the rear side of the base plate 2, providing space for the rotation of rotating columns 7. Threaded grooves 11 are provided on the front side of the inner walls of each of the multiple rotating grooves 10. Multiple rotating slots 10 have rotating columns 7 rotatably connected to their inner walls. The rear ends of the multiple rotating columns 7 are rotatably connected to the front ends of the motor protective shell 4 to prevent the rotating columns 7 from shifting back and forth during rotation. Gear 2 8 is fixedly connected to the rear side of the outer wall of the multiple rotating columns 7. Gear 1 6 and gear 2 8 are used to transmit power to the servo motor 5. Threaded columns 9 are fixedly connected to the front ends of the multiple rotating columns 7. Through the threaded connection between the threaded columns 9 and the threaded slots 11, the servo motor 5 can indirectly control the distance between the two base plates. Two slide rail brackets 1 are fixedly connected to the top front side of base plate 1 and the top rear side of base plate 2. 6. Two slide rail brackets 16 serve as components supporting the movable blocks 17, and the distance between the upper and lower movable blocks 17 can be controlled by components on the two slide rail brackets 16. Two movable blocks 17 are slidably connected to the inner walls of multiple slide rail brackets 16. The two movable blocks 17 support the inner sleeves 12. The inner sleeves 12 are rotatably connected to adjacent sides of the front and rear movable blocks 17. The same outer sleeve 13 is slidably connected to the outer sides of the front and rear inner sleeves 12. The upper and lower outer sleeves 13 straighten the cable. A cable guiding and straightening mechanism 3 is provided on the right side of the right slide rail bracket 16. For guiding and straightening multiple cables simultaneously, multiple inner sleeves 12 are fixedly connected to multiple limiting slide rails 14 on their outer walls, and multiple outer sleeves 13 are provided with limiting slide grooves 15 at their front and rear ends. The multiple limiting slide rails 14 and limiting slide grooves 15 cooperate to ensure that the inner sleeves 12 do not completely detach from the outer sleeves 13 when moving. The adjacent sides of the front and rear moving blocks 17 are provided with placement grooves 18, and the opposite sides of the front and rear inner sleeves 12 are fixedly connected with rotating blocks 19. The placement grooves 18 and rotating blocks 19 enable the inner sleeves 12 to rotate, reducing the damage to the outer sleeves 13 when straightening the cables.

[0034] Specifically, the servo motor 5 is de-energized, and the base plate 1 and base plate 2 are at their shortest distance. The cable is threaded between the upper and lower outer sleeves 13. Multiple servo motors 5 are activated through the control panel 24, causing gear 1 6 to drive gear 2 8, which in turn drives the rotating column 7 to rotate synchronously. The threaded column 9 at the front end of the rotating column 7 engages with the threaded groove 11 in the base plate 2, converting the rotational motion into the forward and backward linear motion of the base plate 1. The limiting slide rail 14 slides along the limiting slide groove 15 to ensure that the inner sleeve 12 does not detach from the outer sleeve 13 when it moves. The height of the moving block 17 is adjusted by the fine-tuning mechanism on the slide rail bracket 16 to control the clamping force of the outer sleeve 13 on the cable. When the device passes through a narrow space, the servo motor 5 drives the base plate 1 to move closer to the base plate 2 in the opposite direction, and the inner sleeve 12 is completely retracted into the outer sleeve 13. The overall width of the device is compressed as it passes through the narrow pipe, realizing the rapid adjustment of the device width. While maintaining the straightening accuracy of the cable, it can also adapt to working in narrow spaces.

[0035] Reference Figure 1 , Figure 2 and Figure 6 The cable guiding and straightening mechanism 3 includes two fixing blocks 301, which provide support for mounting bracket one 302 and mounting bracket two 303. The left sides of the two fixing blocks 301 are fixed to the top right side of the right slide rail bracket 16. Mounting bracket two 303 is rotatably connected to the right side of the front fixing block 301, and mounting bracket one 302 is rotatably connected to the right side of the rear fixing block 301. Mounting bracket one 302 and mounting bracket two 303 provide support for the lower pressure roller shaft 304. The lower pressure roller shaft 304 is rotatably connected to adjacent sides of mounting bracket one 302 and mounting bracket two 303. The lower pressure roller shaft 304 applies a downward force to the cable, straightening it. Multiple auxiliary wheels 305 are fixedly connected to the outer walls of both lower pressure roller shafts 304. These auxiliary wheels 305 reduce the possibility of multiple cables tangling when laid simultaneously. The device can adapt to cables of different sizes by adjusting the distance between multiple auxiliary wheels 305. Two guide shells 306 are fixedly connected to the right side of the base plate 1 and the right side of the base plate 2. The multiple guide shells 306 are used to constrain and guide the path when laying the cable. Two sliding shafts 307 are rotatably connected to the inner wall of the multiple guide shells 306. The multiple sliding shafts 307 are used to reduce the friction between the cable and the device. A steering assembly is provided in the middle of the right side of the right slide rail bracket 16. The steering assembly includes two rotating shafts 20. The left side of the two rotating shafts 20 is fixedly connected to the middle of the right side of the right slide rail bracket 16. Electric push rods 21 are rotatably connected to the inner wall of the two rotating shafts 20. The tilt angle between the mounting bracket 1 302 and the mounting bracket 2 303 and the horizontal plane is controlled by the electric push rods 21. The top of the two electric push rods 21 is rotatably connected to the rotating shaft 22.

[0036] Specifically, the two fixing blocks 301 are securely fixed to the top right side of the right slide rail bracket 16, ensuring precise positioning. Mounting bracket 1 302 and mounting bracket 2 303 are rotatably connected to the right side of the fixing blocks 301 on the rear and front sides, respectively. The sliding shaft 307 is installed on the inner wall of the guide shell 306, ensuring flexible rotation and effectively reducing friction between the cable and the device. The guide shell 306 is fixed to the right side of base plate 1 and base plate 2, confirming that the position conforms to the cable laying path plan. The lower pressure roller shaft 304 is installed on the adjacent side of mounting bracket 1 302 and mounting bracket 2 303. Simultaneously, the auxiliary wheel 305 is fixed to the outer wall of the lower pressure roller shaft 304. Based on the expected number and size of cables to be laid, the distance between the auxiliary wheels 305 is initially adjusted. The connection is then established. The electric push rod 21, along with rotating shafts 20 and 22, applies downward pressure to the cable when it reaches the lower pressure roller 304, initiating the straightening operation. Simultaneously, multiple auxiliary wheels 305 support the cable and prevent multiple cables from tangling. One end of the cable is inserted into the guide housing 306, ensuring the cable moves along the path guided by the inner wall of the guide housing 306 and the sliding shaft 307. If terrain changes occur during the laying process, such as a change in ground slope, the tilt angle between the mounting brackets 302 and 303 and the horizontal plane is adjusted by controlling the extension and retraction of the electric push rod 21. This ensures that the lower pressure roller 304 always applies appropriate angle and pressure to the cable, guaranteeing good contact between the cable and the ground and continuous straightening operations.

[0037] Reference Figure 1 , Figure 2 and Figure 3 Two tension sensors 27 are fixedly connected to the top right side of base plate 1 and base plate 2. The tension sensors 27 are used to detect the tension of the cable when it is about to be laid. Two tension regulators 28 are fixedly connected to the top of base plate 1 and base plate 2. The tension regulators 28 are used to adjust the cable tension to avoid local over-tightness or slackness caused by terrain undulations and changes in laying speed, and to ensure that the cable is always kept in a stretched state. A control console 23 is fixedly connected to the top left side of base plate 2. The control console 23 is used to store the device's wiring. A control panel 24 is fixedly connected to the top of the control console 23. The control panel 24 is used to directly or indirectly control the various components of the device. Multiple support blocks 25 are rotatably connected to the bottom of base plate 1 and base plate 2. The bottom of the multiple support blocks 25 is rotatably connected to the bottom of the multiple support blocks 25. The displacement of the device is achieved by the rotatable casters 26.

[0038] Specifically, two tension sensors 27 are fixedly connected to the top right side of base plate 1 and base plate 2 respectively to ensure accurate detection of cable tension before laying. Two tension adjusters 28 are fixedly connected to the top of base plate 1 and base plate 2. The tension adjusters 28 are adjusted to ensure normal operation and cable tension adjustment based on feedback from the tension sensors 27. Multiple support blocks 25 are rotatably connected to the bottom of base plate 1 and base plate 2. The moving wheels 26 are rotatably connected to the bottom of the support blocks 25 to ensure smooth displacement of the device. Before use, operators can connect the device to mobile software via wireless technology, enabling them to remotely control the device and directly or indirectly control its components via control panel 24. By activating tension sensor 27 and tension regulator 28 via control panel 24, tension sensor 27 detects cable tension in real time. If the detected tension exceeds the set range, tension regulator 28 automatically adjusts the cable tension to maintain the cable in a suitable tension state. As the cable is continuously laid, the device is slowly moved via moving wheels 26 to maintain the continuity of cable laying.

[0039] Working principle: Multiple servo motors 5 drive the rotating column 7 to rotate synchronously through the transmission of gear 6 and gear 8, ensuring that the base plate 1 and base plate 2 move in parallel. The threaded column 9 at the front end of the rotating column 7 can be threadedly connected to the threaded groove 11 of the base plate 2, thereby converting the rotational motion of the servo motor 5 into the forward and backward linear motion of the base plate 1. The outer sleeve 13 applies contact pressure through the moving block 17 and the screw of the slide rail bracket 16, so that the distance between the upper and lower outer sleeves 13 can adapt to cables of different sizes and control the height of the vertical position of the cable. The nested sleeve structure allows the inner sleeve 12 to retract into the outer sleeve 13 when the distance between the base plates changes, so that the device can adjust its width to facilitate the passage of paths of different widths. When the sleeve is subjected to excessive lateral force, the mating surface of the limiting slide rail 14 and the limiting slide groove 15 undergoes plastic deformation to avoid structural failure.

[0040] Furthermore, the two fixing blocks 301 are firmly fixed to the top right side of the right slide rail bracket 16, providing a stable support foundation for the entire guiding and straightening mechanism. Mounting bracket one 302 and mounting bracket two 303 are rotatably connected to the right side of the rear and front fixing blocks 301, respectively, allowing the mounting brackets to rotate flexibly within a certain range. This enables the mechanism to adapt to the requirements of cable straightening angle under different terrain conditions. The sliding shaft 307, which is rotatably connected to the inner wall of the guide shell 306, provides a predetermined laying path constraint for the cable when it passes through the guide shell 306, preventing the cable from deviating arbitrarily during the laying process. The sliding shaft 307, through its own rotation, transforms the sliding friction between the cable and the device into rolling friction, greatly reducing frictional resistance, extending the cable's service life, and making the cable move more smoothly within the guide shell 306, thus improving laying efficiency. When the cable reaches the position of the lower pressure roller 304, the lower pressure roller 304 applies a downward force to the cable based on its own weight and the pressure applied by the mounting bracket, so that the bent cable is gradually straightened under the action of force. During the cable laying process, the spacing between the multiple auxiliary rollers 305 is adjusted according to the number and size of the cables. By setting the spacing reasonably, the auxiliary rollers 305 can form an isolation and guiding effect between the cables, avoiding the cables from getting tangled together. When encountering changes in terrain during the laying process, such as changes in ground slope, the tilt angle between the mounting bracket 1 302 and the mounting bracket 2 303 and the horizontal plane is changed by controlling the extension and retraction length of the electric push rod 21, thereby realizing the adjustment of the angle of the lower pressure roller 304. This ensures that the lower pressure roller 304 always acts on the cable with a suitable angle and pressure, ensuring good contact between the cable and the ground, and meeting the requirements of cable laying under different terrain conditions.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cable laying device for electrical automation control, comprising a base plate one (1) and a base plate two (2), characterized in that: Multiple motor protective shells (4) are fixedly connected to the rear side of the base plate 2 (2). Servo motors (5) are fixedly connected to the inner bottom walls of the multiple motor protective shells (4). Gear 1 (6) is fixedly connected to the output end of the multiple servo motors (5). Multiple rotating grooves (10) are opened on the rear side of the base plate 2 (2). Threaded grooves (11) are opened on the front side of the inner wall of the multiple rotating grooves (10). Rotating columns (7) are rotatably connected to the inner walls of the multiple rotating grooves (10). Gear 2 (8) is fixedly connected to the rear side of the outer wall of the multiple rotating columns (7). The front end of the multiple rotating columns (7) is fixedly connected to... There is a threaded column (9). Two slide rail brackets (16) are fixedly connected to the top front side of the first base plate (1) and the top rear side of the second base plate (2). Two moving blocks (17) are slidably connected to the inner walls of the multiple slide rail brackets (16). An inner sleeve (12) is rotatably connected to the adjacent side of the front and rear moving blocks (17). The same outer sleeve (13) is slidably connected to the outer side of the front and rear inner sleeves (12). A cable guiding and straightening mechanism (3) is provided on the right side of the right slide rail bracket (16). The cable guiding and straightening mechanism (3) is used to guide and straighten multiple cables at the same time.

2. The cable laying device for electrical automation control according to claim 1, characterized in that: The cable guiding and straightening mechanism (3) includes two fixing blocks (301). The left sides of the two fixing blocks (301) are respectively fixed to the top right side of the right slide rail bracket (16). The right side of the front fixing block (301) is rotatably connected to the second mounting bracket (303). The right side of the rear fixing block (301) is rotatably connected to the first mounting bracket (302). The adjacent sides of the first mounting bracket (302) and the second mounting bracket (303) are rotatably connected to the lower pressure roller shaft (304). The outer walls of the two lower pressure roller shafts (304) are fixedly connected to multiple auxiliary wheels (305). The right side of the first base plate (1) and the right side of the second base plate (2) are fixedly connected to two guide shells (306). The inner walls of the multiple guide shells (306) are rotatably connected to two sliding shafts (307). The right middle of the right slide rail bracket (16) is provided with a steering component.

3. The cable laying device for electrical automation control according to claim 2, characterized in that: The steering assembly includes two rotating shafts (20). The left sides of the two rotating shafts (20) are fixedly connected to the middle right side of the slide rail bracket (16) on the right side. The inner walls of the two rotating shafts (20) are rotatably connected to electric push rods (21), and the top ends of the two electric push rods (21) are rotatably connected to rotating shafts (22).

4. The cable laying device for electrical automation control according to claim 1, characterized in that: Two tension sensors (27) are fixedly connected to the top right side of the first base plate (1) and the top right side of the second base plate (2), and two tension adjusters (28) are fixedly connected to the top of the first base plate (1) and the top of the second base plate (2).

5. The cable laying device for electrical automation control according to claim 1, characterized in that: Multiple limiting slide rails (14) are fixedly connected to the outer walls of the multiple inner sleeves (12), and limiting slide grooves (15) are opened at the front and rear ends of the multiple outer sleeves (13).

6. The cable laying device for electrical automation control according to claim 1, characterized in that: A control panel (23) is fixedly connected to the top left side of the base plate (2), and a control panel (24) is fixedly connected to the top of the control panel (23).

7. The cable laying device for electrical automation control according to claim 1, characterized in that: The bottom of the first base plate (1) and the bottom of the second base plate (2) are rotatably connected to a plurality of support blocks (25), and the bottom of the plurality of support blocks (25) are rotatably connected to a movable wheel (26).

8. The cable laying device for electrical automation control according to claim 1, characterized in that: Each of the front and rear movable blocks (17) has a mounting groove (18) on one of its adjacent sides, and each of the front and rear inner sleeves (12) has a rotating block (19) fixedly connected to the opposite side.

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