Tensioning tool for cable construction

Abstract

The utility model discloses a tensioning tool for cable construction, which comprises a cable roller, a mounting frame and a clamping arm, a lifting mechanism is arranged at the lower end of the mounting frame, a lead screw shaft is rotatably arranged on the mounting frame, and one end of the lead screw shaft is connected with a first motor; a pair of clamping arms is arranged on the mounting frame in a sliding mode, the pair of clamping arms move reversely through a lead screw shaft, first rotating clamping blocks are rotationally arranged at the bottoms of the opposite faces of the pair of clamping arms, and a power rotating mechanism is arranged on one first rotating clamping block; second rotating clamping blocks matched with the first rotating clamping blocks are fixedly arranged on the two sides of the cable roller, and the cable roller is rotationally arranged between the clamping arms through the first rotating clamping blocks and the second rotating clamping blocks. The power rotating mechanism, the first rotating clamping block and the second rotating clamping block are matched with one another, the cable roller can be driven to rotate, a pre-laid cable is tensioned and recycled at the same time, the tensioning and recycling efficiency can be improved, and manpower resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable construction equipment, in particular to a cable tightening tool for cable construction. Background Technique

[0002] During the cable construction process, it is necessary to tighten the cable to ensure the regularity and stability of cable laying. Manually pulling the cable not only makes the operation troublesome, but also requires manual winding and recycling of the redundant cable after tightening, resulting in a large amount of labor input. Therefore, a tool for tightening the cable is needed.

[0003] In the prior art, the utility model patent with the patent number CN202121616548.0 discloses a cable laying and tightening device for electric power engineering, including a frame. A number of groups of uniformly arranged hexagonal rods penetrate through the middle of the top of the frame, and the outer shape of the hexagonal rods matches the contour of the preset through holes on the top wall of the frame. A pressing block is fixedly installed at the bottom of the hexagonal rod. A spring a is sleeved on the upper side of the hexagonal rod near the pressing block. An arc-shaped through groove is opened at the bottom of the pressing block, and a conveying roller is placed in the arc-shaped through groove. A shaft rod is fixedly installed in the middle of the conveying roller. This cable laying and tightening device for electric power engineering realizes the synchronous tightening operation of cables with different diameters through the setting of spring a, pressing block, conveying roller and hexagonal rod, has strong versatility, simple structure and low manufacturing cost. At the same time, it can be selectively clamped under the pressing block at the corresponding position according to the cable laying position to realize the fixed-distance conveying between multiple cables, and is suitable for wide promotion and use.

[0004] The above patent provides a device that can assist in tightening the cable. The device can tighten multiple cables simultaneously through multiple pressing blocks. However, although the device can help tighten the cable, the redundant cable still needs to be manually recycled after tightening the cable, which needs to be further improved. Content of the Utility Model

[0005] The purpose of the utility model is to provide a cable tightening tool for cable construction, aiming to improve the problem that although the existing cable tightening device can assist in tightening the cable during the cable construction process, for the redundant cable after tightening the cable, it still needs to be recycled by workers, increasing the workload of workers.

[0006] The utility model is realized as follows:

[0007] The tensioning tool for cable construction includes a cable roller, and also includes a mounting frame and clamping arms. A lifting mechanism is arranged at the lower end of the mounting frame, and a lead screw shaft is rotatably arranged on the mounting frame. One end of the lead screw shaft is connected with a first motor; a pair of clamping arms are slidably arranged on the mounting frame, and the pair of clamping arms move in opposite directions through the lead screw shaft. At the bottom of the opposite surfaces of the pair of clamping arms, first rotating blocks are rotatably arranged. A power rotating mechanism is arranged on one of the first rotating blocks; second rotating blocks adapted to the first rotating blocks are fixedly arranged on both sides of the cable roller, and the cable roller is rotatably arranged between the clamping arms through the first rotating blocks and the second rotating blocks.

[0008] Preferably, the mounting frame includes a mounting hole and a sliding rod. The lead screw shaft is rotatably installed in the mounting hole, and one end of the lead screw shaft penetrates through the mounting frame and is connected with a first motor; a sliding rod parallel to the lead screw shaft is arranged on the mounting frame, and a pair of clamping arms are slidably installed on the sliding rod.

[0009] Preferably, the clamping arm includes a threaded sleeve and a sliding hole. At the positions corresponding to the lead screw shaft and the sliding rod at the upper end of the clamping arm, a threaded sleeve and a sliding hole are respectively arranged. The clamping arm is threadedly installed on the lead screw shaft through the threaded sleeve, and the clamping arm is slidably installed on the sliding rod through the sliding hole.

[0010] Preferably, the cable roller includes a roller body through hole, and both ends of the winding shaft of the cable roller penetrate through the roller body through hole.

[0011] Preferably, a second clamping plate is arranged in the second rotating block. The second clamping plate is fixedly installed at both ends of the cable roller and does not block the roller body through hole; a first clamping plate is arranged in the first rotating block. The first clamping plate is rotatably arranged on the opposite end faces of the pair of clamping arms; a plug rod adapted to the roller body through hole is coaxially arranged on the side surface of the first clamping plate, and the plug rod is inserted into the roller body through hole; the first rotating block and the second rotating block are rotationally clamped.

[0012] Preferably, the first rotating block further includes a first tooth, and the second rotating block further includes a second tooth; the opposite surfaces of the first rotating block and the second rotating block in contact with each other are respectively provided with a first tooth and a second tooth adapted to each other, and the first rotating block and the second rotating block are rotationally connected through the first tooth and the second tooth.

[0013] Preferably, the power rotating mechanism includes a second motor, a first bevel gear and a second bevel gear; a first bevel gear is arranged on the output shaft of the second motor, and a second bevel gear is arranged at the outer side of the clamping arm where the rotating shaft of the first rotating block on one of the clamping arms extends. The first bevel gear and the second bevel gear are meshed with each other.

[0014] Preferably, the lifting mechanism includes a bottom plate and a lifting column. The bottom of the lifting column is provided with the upper end of the bottom plate on both sides of the bottom of the mounting frame.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. By setting up the power rotation mechanism and the mutual cooperation between the first rotating block and the second rotating block, the present utility model can drive the cable roller to rotate, tighten and recycle the pre-laid cable simultaneously, which can not only improve the efficiency of tightening and recycling, but also save human resources.

[0017] 2. By installing a pair of clamping arms on the mounting frame to move in the opposite direction, the present utility model can clamp and release the cable roller through the opening and closing operation of the clamping arms, which is convenient for the staff to replace the new cable roller for work. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the front structural schematic diagram of the present utility model;

[0019] Figure 2 is the structural schematic diagram of the mounting frame of the present utility model;

[0020] Figure 3 is the structural schematic diagram of the clamping arm of the present utility model;

[0021] Figure 4 is the structural schematic diagram of the cable roller of the present utility model.

[0022] In the figure: 1. Mounting frame; 101. Mounting hole; 102. Slide bar; 2. Lifting mechanism; 201. Bottom plate; 202. Lifting column; 3. Lead screw shaft; 4. First motor; 5. Clamping arm; 501. Threaded sleeve; 502. Slide hole; 6. First rotating block; 601. First clamping plate; 602. First teeth; 603. Insertion rod; 7. Second rotating block; 701. Second clamping plate; 702. Second teeth; 8. Cable roller; 801. Roller body through hole; 9. Power rotation mechanism; 901. Second motor; 902. First bevel gear; 903. Second bevel gear. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0024] The following is a further description in conjunction with the accompanying drawings and specific embodiments: Embodiment 1

[0025] As Figure 1 , Figure 2 and Figure 3 shown, the tensioning tool for cable construction includes a cable roller 8, and also includes a mounting frame 1 and a clamping arm 5. A lifting mechanism 2 is provided at the lower end of the mounting frame 1. The lifting mechanism 2 includes a bottom plate 201 and a lifting column 202. The bottom of the lifting column 202 is provided with the bottom plate 201, and the upper end is arranged on both sides of the bottom of the mounting frame 1. The mounting frame 1 can be controlled to move up and down through the lifting mechanism 2. A lead screw shaft 3 is rotatably arranged on the mounting frame 1. One end of the lead screw shaft 3 is connected to a first motor 4. The lead screw shaft 3 can be driven to rotate by the first motor 4; a pair of clamping arms 5 are slidably arranged on the mounting frame 1. The pair of clamping arms 5 move in opposite directions through the lead screw shaft 3. The clamping arms 5 can be opened and closed through the lead screw shaft 3. The mounting frame 1 includes a mounting hole 101 and a slide bar 102. The lead screw shaft 3 is rotatably installed in the mounting hole 101. One end of the lead screw shaft 3 penetrates through the mounting frame 1 and is connected to a first motor 4. The clamping arms 5 can be controlled to move smoothly for opening and closing through the slide bar 102; a slide bar 102 parallel to the lead screw shaft 3 is arranged on the mounting frame 1. The pair of clamping arms 5 are slidably installed on the slide bar 102. The clamping arm 5 includes a threaded sleeve 501 and a slide hole 502. The upper end of the clamping arm 5 is respectively provided with a threaded sleeve 501 and a slide hole 502 corresponding to the positions of the lead screw shaft 3 and the slide bar 102. The clamping arm 5 is threadedly installed on the lead screw shaft 3 through the threaded sleeve 501, and the clamping arm 5 is slidably installed on the slide bar 102 through the slide hole 502.

[0026] As Figure 3 shown, a first rotating block 6 is rotatably arranged at the bottom of the opposite surfaces of a pair of clamping arms 5. A power rotating mechanism 9 is arranged on one of the first rotating blocks 6. The power rotating mechanism 9 includes a second motor 901, a first bevel gear 902 and a second bevel gear 903; a first bevel gear 902 is arranged on the output shaft of the second motor 901. The rotating shaft of the first rotating block 6 on one of the clamping arms 5 extends to the outside of the clamping arm 5 and is provided with a second bevel gear 903. The first bevel gear 902 and the second bevel gear 903 are meshed with each other. The second motor 901 drives the first bevel gear 902 and the second bevel gear 903 to rotate, and then drives one of the first rotating blocks 6 to rotate.

[0027] As Figure 3 and Figure 4As shown in the figure, second rotating blocks 7 adapted to the first rotating block 6 are fixedly arranged on both sides of the cable roller 8. By abutting the first rotating block 6 against the second rotating block 7, the second rotating block 7 can be driven to rotate. The cable roller 8 includes a roller body through hole 801. The two ends of the winding shaft of the cable roller 8 penetrate through the roller body through hole 801. The cable roller 8 is rotatably arranged between the clamping arms 5 through the first rotating block 6 and the second rotating block 7. A second clamping plate 701 is arranged in the second rotating block 7. The second clamping plate 701 is fixedly installed at both ends of the cable roller 8 and does not block the roller body through hole 801. A first clamping plate 601 is arranged in the first rotating block 6. The first clamping plate 601 is rotatably arranged on the opposite end faces of a pair of clamping arms 5. A plug rod 603 adapted to the roller body through hole 801 is coaxially arranged on the side surface of the first clamping plate 601. The plug rod 603 is inserted into the roller body through hole 801. The first rotating block 6 and the second rotating block 7 are rotatably and snap-connected. The first rotating block 6 further includes a first tooth 602, and the second rotating block 7 further includes a second tooth 702. The mutually abutting surfaces of the first rotating block 6 and the second rotating block 7 are respectively provided with a first tooth 602 and a second tooth 702 that are adapted to each other. The first rotating block 6 and the second rotating block 7 are rotationally connected through the first tooth 602 and the second tooth 702. During rotation, the first tooth 602 in the first rotating block 6 and the second tooth 702 of the second rotating block 7 are engaged with each other and rotate. Through the plug rod 603 in the first clamping plate 601, it can be engaged in the roller body through hole 801 of the cable roller 8. Then, the mounting frame 1 is lifted by the lifting mechanism 2, driving the clamping arms 5 and the cable roller 8 to be lifted for winding and tensioning. Embodiment 2

[0028] As Figure 1 , Figure 2 and Figure 3As shown, the tensioning tool for cable construction includes a cable roller 8, and also includes a mounting frame 1 and a clamping arm 5. A lifting mechanism 2 is provided at the lower end of the mounting frame 1. The lifting mechanism 2 includes a bottom plate 201 and a lifting column 202. The bottom of the lifting column 202 is provided with the bottom plate 201, and the upper end is arranged on both sides of the bottom of the mounting frame 1. A lead screw shaft 3 is rotatably arranged on the mounting frame 1, and one end of the lead screw shaft 3 is connected to a first motor 4; a pair of clamping arms 5 are slidably arranged on the mounting frame 1, and the pair of clamping arms 5 move in opposite directions through the lead screw shaft 3. The mounting frame 1 includes a mounting hole 101 and a slide bar 102. The lead screw shaft 3 is rotatably installed in the mounting hole 101, and one end of the lead screw shaft 3 penetrates through the mounting frame 1 and is connected to a first motor 4; a slide bar 102 parallel to the lead screw shaft 3 is arranged on the mounting frame 1, and a pair of clamping arms 5 are slidably installed on the slide bar 102. The clamping arm 5 includes a threaded sleeve 501 and a slide hole 502. Threaded sleeves 501 and slide holes 502 are respectively arranged at the upper end of the clamping arm 5 corresponding to the positions of the lead screw shaft 3 and the slide bar 102. The clamping arm 5 is threadedly installed on the lead screw shaft 3 through the threaded sleeve 501, and the clamping arm 5 is slidably installed on the slide bar 102 through the slide hole 502.

[0029] As Figure 3 shown, first rotating blocks 6 are rotatably arranged at the bottoms of the opposite surfaces of a pair of clamping arms 5. A power rotating mechanism 9 is arranged on one of the first rotating blocks 6. The power rotating mechanism 9 includes a second motor 901, a first bevel gear 902 and a second bevel gear 903; a first bevel gear 902 is arranged on the output shaft of the second motor 901, and the rotating shaft of the first rotating block 6 on one of the clamping arms 5 extends to the outside of the clamping arm 5 and is provided with a second bevel gear 903. The first bevel gear 902 and the second bevel gear 903 are meshed with each other.

[0030] As Figure 3 and Figure 4As shown in the figure, second rotating blocks 7 adapted to the first rotating blocks 6 are fixedly arranged on both sides of the cable roller 8. The cable roller 8 includes a roller body through hole 801. Both ends of the winding shaft of the cable roller 8 penetrate through the roller body through hole 801. The cable roller 8 is rotatably arranged between the clamping arms 5 through the first rotating blocks 6 and the second rotating blocks 7. A second clamping plate 701 is arranged in the second rotating block 7. The second clamping plate 701 is fixedly installed at both ends of the cable roller 8 and does not block the roller body through hole 801. A first clamping plate 601 is arranged in the first rotating block 6. The first clamping plate 601 is rotatably arranged on the opposite end faces of a pair of clamping arms 5. An insertion rod 603 adapted to the roller body through hole 801 is coaxially arranged on the side surface of the first clamping plate 601. The insertion rod 603 is inserted into the roller body through hole 801. The first rotating block 6 and the second rotating block 7 are rotatably clamped. The first rotating block 6 further includes a first tooth 602, and the second rotating block 7 further includes a second tooth 702. The mutually abutted surfaces of the first rotating block 6 and the second rotating block 7 are respectively provided with a mutually adapted first tooth 602 and a second tooth 702. The first rotating block 6 and the second rotating block 7 are rotationally connected through the first tooth 602 and the second tooth 702.

[0031] The working principle of the present utility model: By starting the lifting mechanism 2, the mounting frame 1 can be driven to lift to a suitable position, and then the clamping arms 5 are driven to both ends of the cable roller 8 by the first motor 4. Then, by reversing the first motor 4, the clamping arms 5 are clamped on the cable roller 8, and the first rotating block 6 and the second rotating block 7 are abutted against each other. Then, the mounting frame 1 with the cable roller 8 is lifted by the lifting mechanism 2. By starting the second motor 901 and driving the first rotating block 6 to rotate through the bevel gear set, the first tooth 602 on the first rotating block 6 and the second tooth 702 of the second rotating block 7 are engaged, driving the second rotating block 7 to rotate, and then the cable roller 8 can be driven to rotate to tighten the cable. At the same time, during the tightening process, the cable can be wound and recycled.

[0032] To sum up, through the mutual cooperation of the power rotating mechanism 9, the first rotating block 6 and the second rotating block 7 provided in the present utility model, the cable roller 8 can be driven to rotate, and the pre-laid cable can be tightened and recycled while being tightened, which can not only improve the tightening and recycling efficiency, but also save human resources; by reversely moving and installing a pair of clamping arms 5 on the mounting frame 1, the cable roller 8 can be clamped and released through the opening and closing operation of the clamping arms 5, which is convenient for the staff to replace a new cable roller 8 for work.

[0033] The above is only the preferred embodiment of the present utility model and is not used to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A cable tensioning tool for cable construction, comprising a cable roller (8), characterized in that: The invention also comprises a mounting frame (1) and a clamping arm (5), wherein a lifting mechanism (2) is arranged at the lower end of the mounting frame (1), a screw shaft (3) is rotatably arranged on the mounting frame (1), and one end of the screw shaft (3) is connected to a first motor (4); a pair of clamping arms (5) are slidably arranged on the mounting frame (1), the pair of clamping arms (5) move in opposite directions through the screw shaft (3), first rotating blocks (6) are rotatably arranged at the bottom of the opposite surfaces of the pair of clamping arms (5), and a power rotating mechanism (9) is arranged on one of the first rotating blocks (6); second rotating blocks (7) matched with the first rotating blocks (6) are fixedly arranged on both sides of the cable roller (8), and the cable roller (8) is rotatably arranged between the clamping arms (5) through the first rotating block (6) and the second rotating block (7).

2. The cable construction tensioning tool according to claim 1, characterized in that: The mounting frame (1) comprises a mounting hole (101) and a sliding rod (102); the screw shaft (3) is rotatably mounted in the mounting hole (101); one end of the screw shaft (3) passes through the mounting frame (1) and is connected to a first motor (4); a sliding rod (102) parallel to the screw shaft (3) is provided on the mounting frame (1); and a pair of clamping arms (5) are slidably mounted on the sliding rod (102).

3. The cable construction tensioning tool according to claim 2, characterized in that: The clamping arm (5) comprises a threaded sleeve (501) and a sliding hole (502); the upper end of the clamping arm (5) is provided with a threaded sleeve (501) and a sliding hole (502) at positions corresponding to the screw shaft (3) and the sliding rod (102), respectively; the clamping arm (5) is threadedly mounted on the screw shaft (3) through the threaded sleeve (501); and the clamping arm (5) is slidably mounted on the sliding rod (102) through the sliding hole (502).

4. The cable construction tensioning tool according to claim 1, characterized in that: The cable roller (8) comprises a roller body through hole (801), and roller body through holes (801) are provided at both ends of the winding shaft of the cable roller (8).

5. The cable construction tensioning tool according to claim 4, characterized in that: The second rotating clamping block (7) is provided with a second clamping plate (701), which is fixedly mounted at both ends of the cable roller (8) and does not block the roller body through hole (801); the first rotating clamping block (6) is provided with a first clamping plate (601), which is rotatably mounted on opposite end surfaces of a pair of clamping arms (5); a plugging rod (603) adapted to the roller body through hole (801) is coaxially mounted on a side surface of the first clamping plate (601), and the plugging rod (603) is inserted into the roller body through hole (801); the first rotating clamping block (6) and the second rotating clamping block (7) are rotatably mounted.

6. The cable construction tensioning tool according to claim 5, characterized in that: The first rotating clamping block (6) further comprises a first clamping tooth (602), and the second rotating clamping block (7) further comprises a second clamping tooth (702); surfaces of the first rotating clamping block (6) and the second rotating clamping block (7) which abut against each other are respectively provided with matching first clamping teeth (602) and second clamping teeth (702); the first rotating clamping block (6) and the second rotating clamping block (7) are rotatably connected via the first clamping teeth (602) and the second clamping teeth (702).

7. The cable construction tensioning tool according to claim 1, characterized in that: The power rotation mechanism (9) comprises a second motor (901), a first bevel gear (902) and a second bevel gear (903); the first bevel gear (902) is arranged on the output shaft of the second motor (901); the rotation shaft of the first rotation block (6) on one of the clamping arms (5) extends to the outside of the clamping arm (5) and is provided with a second bevel gear (903); the first bevel gear (902) and the second bevel gear (903) are meshed with each other.

8. The cable construction tensioning tool according to claim 1, characterized in that: The lifting mechanism (2) comprises a bottom plate (201) and a lifting column (202); the bottom of the lifting column (202) is provided with a bottom plate (201), and the upper end of the bottom plate (201) is provided on both sides of the bottom of the mounting frame (1).

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