A cable laying and pulling apparatus

Abstract

The application belongs to the technical field of cable laying and discloses a cable laying traction device, which comprises a bottom frame, a traction frame and a mounting frame, a cable drum is rotationally arranged on the mounting frame, two mounting seats are arranged at intervals at the bottom of the bottom frame, a vehicle axle is rotationally arranged on the two mounting seats, rollers are arranged at the two ends of the vehicle axle, two vertical plates are arranged at intervals on the side of the bottom frame away from the traction frame, a rotating shaft is rotationally arranged between the two vertical plates, a rotating roller is fixedly arranged on the rotating shaft, a lifting frame is vertically slidably arranged between the two vertical plates, a pressing roller is rotationally arranged on the lifting frame, driven synchronous pulleys are fixedly arranged at the two ends of the rotating shaft, two driving synchronous pulleys are fixedly arranged on the vehicle axle, and the driving synchronous pulleys are connected with the corresponding driven synchronous pulleys through synchronous belts. When the rollers move, the vehicle axle, the driving synchronous pulleys, the driven synchronous pulleys, the rotating shaft and the rotating roller are rotationally driven. When the bottom frame moves, the rotating roller rotates to convey the cable backward.

Description

Technical Field

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

[0002] During cable laying, due to the large weight of the cable rollers, cranes are often used for hoisting. Manual dragging is frequently used during cable laying, which can easily damage the insulation layer, creating safety hazards. Furthermore, it is inefficient, labor-intensive, and exposes workers to harsh working conditions. At the same time, rising labor costs place a significant cost burden on construction companies.

[0003] Chinese utility model patent CN221380247U discloses a cable laying traction frame, including a bracket. Wheels are fixedly mounted on the surface of the bracket. A connecting rod is fixedly mounted on the right side of the bracket, and a connecting block is fixedly mounted on the right side of the connecting rod. A support plate is fixedly mounted on the top of the bracket, and a rotating block is rotatably connected to the top of the support plate. A cable reel is placed on the top of the support plate via the rotating block, allowing the cable reel to rotate.

[0004] Regarding the aforementioned technologies, the inventors believe the following drawbacks exist: When using the aforementioned devices, after the cable reel is installed on the support plate, if the operation mode of moving the support to drive the cable reel displacement is adopted, it often requires the operator to manually control the rotation of the cable reel during the equipment's movement to release the cable. This manual intervention method not only makes it difficult to ensure the uniformity and stability of the cable reel's rotation but also poses safety risks. Alternatively, the cable end can be fixed in advance, and then the support and the cable reel can be moved as a whole, using the pulling force generated during movement to gradually release the cable from the reel. However, because the pulling speed is difficult to control precisely, it is very easy for the cable to suffer damage such as outer sheath wear and internal core wire breakage under strong tension, affecting the cable's electrical performance and service life. Utility Model Content

[0005] To solve the above problems, this utility model provides a cable laying traction device.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a cable laying traction device, including a base frame, a traction frame provided on one side of the base frame, an installation frame provided inside the base frame, a cable drum for winding and storing cables rotatably provided on the installation frame, two mounting seats spaced apart at the bottom of the base frame, an axle rotatably provided horizontally on the two mounting seats, rollers provided at both ends of the axle, two upright plates spaced apart on the side of the base frame away from the traction frame, a rotating shaft rotatably provided horizontally between the two upright plates, a rotating roller fixedly sleeved on the rotating shaft, a lifting frame vertically sliding between the two upright plates, a pressure roller rotatably provided horizontally on the lifting frame, driven synchronous pulleys fixedly sleeved at both ends of the rotating shaft passing through corresponding upright plates, two driving synchronous pulleys fixedly sleeved on the axle, and the driving synchronous pulleys and their corresponding driven synchronous pulleys connected by a synchronous belt.

[0007] By adopting the above technical solution, a base frame, cable drum, axle, rollers, rotating roller, and pressure roller are installed. The end of the cable passes between the rotating roller and the pressure roller, and the cable is clamped between the rotating roller and the pressure roller by a lifting frame. The traction frame moves the base frame, mounting base, axle, and rollers. When the rollers move, they rotate, causing the axle and the driving synchronous pulley to rotate, which in turn drives the driven synchronous pulley, rotating shaft, and rotating roller to rotate via a synchronous belt. This ensures that as the base frame moves, the rotating rollers transport the cable backward. The cable transport speed is matched with the base frame's moving speed, which not only effectively maintains the stability of the cable during release, ensuring that the cable unfolds uniformly and orderly, but also avoids damage to the cable and protects its physical integrity and electrical performance.

[0008] Furthermore, the diameter of the rotating roller is the same as the diameter of the roller, and the diameter of the driven synchronous pulley is the same as the diameter of the driving synchronous pulley.

[0009] By adopting the above technical solution, the diameters of the driven and driven synchronous pulleys are set to be the same, ensuring that the number of rotations of the driven and driven synchronous pulleys is consistent. The diameters of the rotating roller and the paddle roller are also set to be consistent, ensuring that the distance the paddle roller rolls on the ground is consistent with the distance the rotating roller conveys the cable.

[0010] Furthermore, the pressure roller is located below the rotating roller.

[0011] Furthermore, the lifting frame includes sliders rotatably disposed at both ends of the pressure roller. The sliders are slidably connected to the corresponding upright plates. Uprights are provided on both sides of the sliders. The upper ends of the four uprights are all located on the upper side of the rotating roller and are jointly provided with a lifting plate.

[0012] By adopting the above technical solution, a slider, a vertical rod, and a lifting plate are set up. The lifting plate can be controlled to lift the pressure roller.

[0013] Furthermore, the top of the two upright plates is provided with a top plate, and two guide holes are vertically opened on the top plate. A guide rod connected to the lifting plate is slidably arranged in the guide holes. A threaded rod is vertically rotatably arranged on the top surface of the lifting plate. The top plate is helically connected to the threaded rod through the threaded hole. A handle is provided at the upper end of the threaded rod.

[0014] By adopting the above technical solution, a top plate, guide rod, threaded rod, and handle are set up. Rotating the handle drives the threaded rod to rotate. When the threaded rod rotates, it moves vertically relative to the top plate, thereby driving the lifting plate, upright, slider, and pressure roller to move vertically.

[0015] Furthermore, the mounting frame includes a base plate disposed within the base frame, and two vertical plates are spaced apart on the base plate, with the cable drum horizontally rotatably disposed between the two vertical plates.

[0016] Furthermore, a first U-shaped groove is provided at the top of the vertical plate, and trunnions are concentrically arranged on both sides of the cable drum. A connecting ring is slidably sleeved on the trunnion, and a fixing ring is rotatably arranged on the outer wall of the connecting ring. The fixing ring is slidably engaged with the first U-shaped groove.

[0017] By adopting the above technical solution, which includes a first U-shaped groove, trunnion, connecting ring, and fixing ring, when the cable on the cable drum needs to be replaced after use, the cable drum is lifted, the fixing ring slides out of the first U-shaped groove, and then the connecting ring is slid to separate the connecting ring, fixing ring, and trunnion. The connecting ring is then slid onto the trunnion of the new cable drum, and the new cable drum is then lifted and lowered, causing the fixing ring to slide into the U-shaped groove, completing the replacement.

[0018] Furthermore, a second U-shaped groove is formed inside the first U-shaped groove, and a limiting ring is fixedly sleeved on the fixing ring, with the limiting ring slidingly engaging with the second U-shaped groove.

[0019] By adopting the above technical solution, a second U-shaped groove and a limiting ring are set to further ensure the stability of the fixing ring within the first U-shaped groove.

[0020] Furthermore, the trunnion has a groove, and the inner wall of the connecting ring has a protrusion corresponding to the groove, the protrusion slidingly engaging with the groove.

[0021] By adopting the above technical solution, grooves and protrusions are provided to axially limit the connection ring and trunnion, thus preventing wear caused by relative rotation between the connection ring and trunnion.

[0022] Furthermore, each of the two upright plates has a vertically arranged slide rail on one adjacent side, and the slider is slidably connected to the corresponding slide rail.

[0023] In summary, this utility model has the following beneficial effects: This application includes a base frame, cable roller, axle, rollers, rotating roller, and pressure roller. The end of the cable passes between the rotating roller and the pressure roller, and the cable is clamped between the rotating roller and the pressure roller by a lifting frame. The traction frame moves the base frame, mounting base, axle, and rollers. When the rollers move, they rotate, causing the axle and the driving synchronous pulley to rotate, which in turn drives the driven synchronous pulley, rotating shaft, and rotating roller to rotate via a synchronous belt. This ensures that as the base frame moves, the rotating rollers transport the cable backward. The cable transport speed matches the base frame's moving speed, effectively maintaining stability during cable release, ensuring uniform and orderly cable unfolding, avoiding damage to the cable, and protecting the cable's physical integrity and electrical performance. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0025] Figure 2 yes Figure 1 Enlarged view of part A;

[0026] Figure 3 This is a schematic diagram of the structure of the axle and rotating roller in an embodiment of this utility model;

[0027] Figure 4 This is a structural schematic diagram of the upright plate and lifting frame of this utility model embodiment.

[0028] In the diagram: 10. Base frame; 11. Traction frame; 20. Mounting frame; 21. Cable drum; 211. Trunnion; 22. Base plate; 23. Vertical plate; 24. First U-shaped groove; 25. Connecting ring; 26. Fixing ring; 27. Second U-shaped groove; 28. Limiting ring; 29. ​​Protrusion; 30. Mounting seat; 31. Axle; 32. Roller; 33. Driving synchronous pulley; 34. Synchronous belt; 40. Vertical plate; 41. Rotating shaft; 42. Rotating roller; 43. Driven synchronous pulley; 44. Slide rail; 50. Lifting frame; 51. Pressure roller; 52. Slider; 53. Vertical pole; 54. Lifting plate; 60. Top plate; 61. Guide rod; 62. Threaded rod; 63. Handle. Detailed Implementation

[0029] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0030] like Figure 1-4As shown in the figure, this application discloses a cable laying traction device, including a base frame 10, a cable drum 21, an axle 31, rollers 32, a rotating roller 42, and a pressure roller 51. A traction frame 11 is provided on one side of the base frame 10, and a mounting frame 20 is provided inside the base frame 10. The cable drum 21 is rotatably mounted on the mounting frame 20 for winding and storing cables. Two mounting seats 30 are spaced apart at the bottom of the base frame 10. The axle 31 is horizontally rotatably mounted on the two mounting seats 30. Two rollers 32 are respectively provided at both ends of the axle 31. Pulling the traction frame 11 drives the base frame 10, mounting seats 30, axle 31, and rollers 32 to move. When the rollers 32 move, they rotate, causing the axle 31 to rotate. Two upright plates 40 are spaced apart on the side of the base frame 10 away from the traction frame 11. A rotating shaft 41 is horizontally rotatable between the two upright plates 40, and a rotating roller 42 is fixedly sleeved on the rotating shaft 41. A lifting frame 50 is vertically slidable between the two upright plates 40, and a pressure roller 51 is horizontally rotatable on the lifting frame 50. The two ends of the rotating shaft 41 pass through the corresponding upright plates 40 and are fixedly sleeved with driven synchronous pulleys 43. Two driving synchronous pulleys 33 are fixedly sleeved on the axle 31. The driving synchronous pulleys 33 and their corresponding driven synchronous pulleys 43 are connected by a synchronous belt 34. The end of the cable is passed between the rotating roller 42 and the pressure roller 51, and the lifting frame 50 rises to clamp the cable between the rotating roller 42 and the pressure roller 51. The rotation of the axle 31 drives the driving synchronous pulleys 33 to rotate, which in turn drives the driven synchronous pulleys 43, the rotating shaft 41, and the rotating roller 42 to rotate via the synchronous belt 34. As the base frame 10 moves, the rotating roller 42 rotates to transport the cable backward. Matching the cable delivery speed with the moving speed of the base frame 10 not only effectively maintains the stability during the cable release process, ensuring that the cable unfolds at a uniform speed and in an orderly manner, avoiding damage to the cable, but also protects the physical integrity and electrical performance of the cable.

[0031] Specifically, the towing frame 11 includes a V-shaped rod, with both ends connected to the base frame 10. A towing seat is located on the side of the V-shaped rod away from the base frame 10, and a towing hole is horizontally opened on the towing seat. Workers pass a rope through the towing hole and connect it to a vehicle or other mobile equipment to tow the towing frame 11. A caster wheel is also provided at the bottom of the V-shaped rod on the side away from the base frame 10. The caster wheel cooperates with two rollers 32 to ensure the stability of the base frame 10. The diameter of the driven synchronous pulley 43 is the same as the diameter of the driving synchronous pulley 33, ensuring that the number of rotations of the driven synchronous pulley 43 and the driving synchronous pulley 33 is the same. The diameter of the rotating roller 42 is the same as the diameter of the roller 32, ensuring that the distance the roller 32 rolls on the ground is the same as the distance the rotating roller 42 conveys the cable. The pressure roller 51 is located below the rotating roller 42, and the rotating roller 42 is located above the pressure roller 51. After the cable passes between the rotating roller 42 and the pressure roller 51, the cable is located below the rotating roller 42. The rotation direction of the rotating roller 42 is the same as the rotation direction of the roller 32, which can transport the cable backward.

[0032] In configuration, the lifting frame 50 includes sliders 52 rotatably mounted at both ends of the pressure roller 51. The sliders 52 are slidably connected to corresponding upright plates 40. Specifically, each of the two upright plates 40 has a vertically mounted slide rail 44 on one adjacent side, and the sliders 52 are slidably connected to the corresponding slide rails 44 to ensure the stability of the sliders 52's movement. Uprights 53 are mounted on both sides of the sliders 52. The upper ends of the four uprights 53 are all located above the rotating roller 42 and share a lifting plate 54. Controlling the lifting plate 54's movement drives the pressure roller 51 to rise or fall. A top plate 60 is shared at the top of the two upright plates 40. Two guide holes are vertically opened on the top plate 60, and guide rods 61 connected to the lifting plate 54 are slidably mounted within these guide holes to further ensure the stability of the lifting plate 54's movement. The top surface of the lifting plate 54 is vertically rotatably equipped with a threaded rod 62. The top plate 60 is screwed to the threaded rod 62 through a threaded hole. The upper end of the threaded rod 62 is equipped with a handle 63. Rotating the handle 63 drives the threaded rod 62 to rotate. When the threaded rod 62 rotates, it moves vertically relative to the top plate 60, thereby driving the lifting plate 54, the upright rod 53, the slider 52, and the pressure roller 51 to move vertically.

[0033] In its specific configuration, the mounting frame 20 includes a base plate 22 housed within the base frame 10. Two vertical plates 23 are spaced apart on the base plate 22, and the cable drum 21 is horizontally rotatably positioned between the two vertical plates 23. A first U-shaped groove 24 is formed at the top of each vertical plate 23, with the opening of the first U-shaped groove 24 facing upwards. Trunnions 211 are concentrically positioned on both sides of the cable drum 21. A connecting ring 25 is slidably fitted onto the trunnion 211, and a fixing ring 26 is rotatably fitted onto the outer wall of the connecting ring 25. The fixing ring 26 slides into the first U-shaped groove 24. When the cable on the cable drum 21 is used up and needs replacement, the cable drum 21 is lifted, and the fixing ring 26 slides out of the first U-shaped groove 24. Then, the connecting ring 25 is slid, separating the connecting ring 25, the fixing ring 26, and the trunnion 211. The connecting ring 25 is then slidably fitted onto the trunnion 211 of the new cable drum 21. The new cable drum 21 is then lifted and lowered, causing the fixing ring 26 to slide into the U-shaped groove, completing the replacement. A second U-shaped groove 27 is formed within the first U-shaped groove 24. A limiting ring 28 is fixedly fitted onto the fixing ring 26. The limiting ring 28 slides in the second U-shaped groove 27. When the fixing ring 26 slides within the first U-shaped groove 24, the limiting ring 28 slides within the second U-shaped groove 27. After the limiting ring 28 engages with the second U-shaped groove 27, the fixing ring 26 cannot move horizontally within the second U-shaped groove 27, further ensuring the stability of the fixing ring 26 within the first U-shaped groove 24. A groove is formed on the trunnion 211. A protrusion 29 is provided on the inner wall of the connecting ring 25 corresponding to the groove. The protrusion 29 slides in the groove, thereby axially limiting the connecting ring 25 and the trunnion 211 and preventing wear caused by relative rotation between the connecting ring 25 and the trunnion 211. During cable transport, the cable puller 21 is rotated, causing the connecting ring 25 to rotate relative to the fixing ring 26.

[0034] The working principle of the cable laying traction device in this embodiment is as follows: The end of the cable is passed between the rotating roller 42 and the pressure roller 51. Then, the handle 63 is turned to drive the threaded rod 62 to rotate, which in turn drives the lifting plate 54, the upright rod 53, the slider 52, and the pressure roller 51 to rise, clamping the cable between the rotating roller 42 and the pressure roller 51. Subsequently, the operator pulls the cable using the mobile equipment. The traction frame 11 drives the base frame 10, the mounting base 30, the axle 31, and the roller 32 to move. When the roller 32 moves, it rotates, causing the axle 31 and the active synchronous pulley 33 to rotate, which in turn drives the driven synchronous pulley 43, the rotating shaft 41, and the rotating roller 42 to rotate through the synchronous belt 34. This causes the rotating roller 42 to rotate and transport the cable backward as the base frame 10 moves.

[0035] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A cable laying traction device, characterized in that: The system includes a base frame (10), a traction frame (11) on one side of the base frame (10), a mounting frame (20) inside the base frame (10), a cable drum (21) for winding and storing cables rotatably mounted on the mounting frame (20), two mounting seats (30) spaced apart at the bottom of the base frame (10), an axle (31) rotatably mounted horizontally on both mounting seats (30), rollers (32) at both ends of the axle (31), and two upright plates (40) spaced apart on the side of the base frame (10) away from the traction frame (11). A rotating shaft (41) is horizontally rotatable between the two vertical plates (40), and a rotating roller (42) is fixedly sleeved on the rotating shaft (41). A lifting frame (50) is vertically slidably arranged between the two vertical plates (40), and a pressure roller (51) is horizontally rotatable on the lifting frame (50). The two ends of the rotating shaft (41) pass through the corresponding vertical plates (40) and are fixedly sleeved with driven synchronous pulleys (43). Two driving synchronous pulleys (33) are fixedly sleeved on the axle (31), and the driving synchronous pulleys (33) and the corresponding driven synchronous pulleys (43) are connected by a synchronous belt (34).

2. The cable laying traction device according to claim 1, characterized in that: The diameter of the rotating roller (42) is the same as the diameter of the roller (32), and the diameter of the driven synchronous pulley (43) is the same as the diameter of the driving synchronous pulley (33).

3. The cable laying traction device according to claim 1, characterized in that: The pressure roller (51) is located below the rotating roller (42).

4. The cable laying traction device according to claim 1, characterized in that: The lifting frame (50) includes sliders (52) rotatably disposed at both ends of the pressure roller (51). The sliders (52) are slidably connected to the corresponding upright plates (40). Uprights (53) are provided on both sides of the sliders (52). The upper ends of the four uprights (53) are all located on the upper side of the rotating roller (42) and are jointly provided with a lifting plate (54).

5. A cable laying traction device according to claim 4, characterized in that: The top of the two upright plates (40) is provided with a top plate (60). The top plate (60) has two guide holes vertically. A guide rod (61) connected to the lifting plate (54) is slidably arranged in the guide holes. A threaded rod (62) is vertically rotatably arranged on the top surface of the lifting plate (54). The top plate (60) is helically connected to the threaded rod (62) through the threaded hole. A handle (63) is provided at the upper end of the threaded rod (62).

6. The cable laying traction device according to claim 1, characterized in that: The mounting bracket (20) includes a base plate (22) disposed within the base frame (10), and two vertical plates (23) are disposed at intervals on the base plate (22). The cable drum (21) is horizontally rotatably disposed between the two vertical plates (23).

7. A cable laying traction device according to claim 6, characterized in that: The top of the vertical plate (23) is provided with a first U-shaped groove (24), and the cable drum (21) is provided with trunnions (211) on both sides. A connecting ring (25) is slidably sleeved on the trunnion (211), and a fixing ring (26) is rotatably provided on the outer wall of the connecting ring (25). The fixing ring (26) is slidably engaged with the first U-shaped groove (24).

8. A cable laying traction device according to claim 7, characterized in that: The first U-shaped groove (24) has a second U-shaped groove (27) inside, and a limiting ring (28) is fixedly sleeved on the fixing ring (26), and the limiting ring (28) slides with the second U-shaped groove (27).

9. A cable laying traction device according to claim 8, characterized in that: The trunnion (211) has a groove, and the inner wall of the connecting ring (25) is provided with a protrusion (29) corresponding to the groove, and the protrusion (29) slides in conjunction with the groove.

10. A cable laying traction device according to claim 4, characterized in that: Each of the two upright plates (40) has a vertically arranged slide rail (44) on one side of each adjacent plate, and the slider (52) is slidably connected to the corresponding slide rail (44).

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