CN107645143B - Traction device for cable laying - Google Patents
Traction device for cable laying Download PDFInfo
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- CN107645143B CN107645143B CN201711139592.5A CN201711139592A CN107645143B CN 107645143 B CN107645143 B CN 107645143B CN 201711139592 A CN201711139592 A CN 201711139592A CN 107645143 B CN107645143 B CN 107645143B
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- 230000008093 supporting effect Effects 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Electric Cable Installation (AREA)
Abstract
The invention discloses a traction device for cable laying, which comprises a fixed block, wherein a first through hole is formed in the bottom of the fixed block, a fixed rod is slidably installed in the first through hole, the bottom end of the fixed rod extends out of the first through hole, a screw hole is formed in one end of the fixed rod, which is positioned in the first through hole, a motor is fixedly installed at the top of the fixed block, an output shaft of the motor extends into the screw hole, the output shaft of the motor is in threaded connection with the screw hole, two connecting rods are symmetrically and rotatably installed at the bottom end of the fixed rod, two supporting rods are fixedly installed at the bottom of the fixed block, the two supporting rods are symmetrically arranged based on the fixed rod, a sliding rod is arranged below the fixed block, and the bottom ends of the two supporting rods are respectively welded and fixed with the two ends of the sliding rod. The cable clamping device not only can clamp the cable between the two clamping blocks and provide convenience for operators to drag the cable, but also is convenient for the operators to operate, and greatly improves the cable laying efficiency.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a traction device for cable laying.
Background
The cable is typically a rope-like cable of twisted wires of several groups of wires, each group being insulated from each other and often twisted around a center, covered entirely with a highly insulating coating. The multi-frame is installed in the air or underground or underwater for telecommunication or power transmission.
In the cable laying process, because the cable is limited by a construction site, workers are usually required to drag the cable by hand to lay, when the cable is longer, the resistance is larger during dragging, and the surface of the cable is smoother, so that the cable is difficult to hold by hands to drag for a long time, and a traction device for cable laying is urgently needed, so that people can conveniently drag the cable to lay.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a traction device for cable laying.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a draw gear for cable is laid, which comprises a fixing block, first through-hole has been seted up to the bottom of fixed block, sliding mounting has the dead lever in the first through-hole, and the bottom of dead lever extends to outside the first through-hole, the screw has been seted up to the one end that the dead lever is located first through-hole, the top fixed mounting of fixed block has the motor, the output shaft of motor extends to in the screw, and the output shaft and the screw threaded connection of motor, two connecting rods are installed in the bottom symmetry rotation of dead lever, two bracing pieces are installed to the bottom fixed mounting of fixed block, and two bracing pieces are based on the dead lever symmetry setting, the below of fixed block is equipped with the slide bar, and the bottom of two bracing pieces respectively with the both ends welded fastening of slide bar, symmetrical slip cap is equipped with two clamp splice on the slide bar, the top that the upside is the open-ended square groove is all seted up to one side that two clamp splice each other, and two square grooves all are located the top of slide bar, the one end that the dead lever was kept away from the dead lever is rotated respectively and is installed in two square grooves, the top rotation of fixed block is installed the handle, the cover is equipped with the rubber sleeve.
Preferably, positioning grooves are symmetrically formed in the inner walls of the two sides of the first through hole, positioning blocks are symmetrically and fixedly arranged on the two sides of the fixing rod, and the positioning blocks are slidably arranged in the positioning grooves.
Preferably, a bearing rotatably installed in the first through hole is arranged above the fixed rod, and the bearing is rotatably sleeved on an output shaft of the motor.
Preferably, an external thread is arranged on the output shaft of the motor, a thread ring is arranged in the screw hole, and the output shaft of the motor is in threaded connection with the thread ring.
Preferably, a forward rotation button is fixedly arranged on one side of the fixed block, and a reverse rotation button fixedly arranged on the fixed block is arranged below the forward rotation button.
Preferably, one side of each of the two clamping blocks, which is close to the other side of each of the two clamping blocks, is provided with an arc-shaped groove positioned below the sliding rod, and the inner wall of the arc-shaped groove is fixedly provided with an anti-skid pad.
Preferably, a locking plate is fixed on the fixed block 1, a pushing threaded hole is formed in the locking plate, the pushing threaded hole is assembled with a screw rod through threaded screwing, one end of the screw rod is connected with an output shaft of a motor, and the other end of the screw rod is arranged in the fixed rod and assembled with the fixed rod through threaded screwing.
Preferably, a guide groove is formed between the locking plate and the fixed block, a roller is installed in the guide groove, the roller and the second connecting shaft are rotatably assembled, the second connecting shaft is fixed at one end of the force guide rod, a first connecting shaft is arranged at the other end of the force guide rod, the force guide rod and the component force disc are rotatably assembled by the first connecting shaft, and the component force disc and the screw rod are assembled by screwing through threads.
Preferably, the screwing direction of the component force disc and the screw rod is opposite to the screwing direction of the screw rod and the pushing threaded hole.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the cable is clamped by the two clamping blocks in a matched manner, and the motor is used as a driving force, so that the clamping blocks slide on the slide bar under the matching of the fixed blocks, the first through holes, the fixed rods, the screw holes, the connecting rods and the supporting rods, and the distance between the two clamping blocks is changed, so that the cable is clamped between the two clamping blocks.
Drawings
Fig. 1 is a schematic cross-sectional view of a traction device for cable laying according to the present invention.
Fig. 2 is a schematic cross-sectional view of a portion a of a traction device for cable laying according to the present invention.
Fig. 3 is a schematic view of another construction of a traction device for cable laying according to the present invention.
Fig. 4 is an enlarged view of F1 in fig. 3.
In the figure: 1 fixed block, 2 first through hole, 3 dead lever, 4 screw, 5 motor, 6 connecting rod, 7 bracing piece, 8 slide bar, 9 clamp splice, 10 square groove, 11 handles, 12 rubber sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-2, a traction device for cable laying comprises a fixed block 1, a first through hole 2 is formed in the bottom of the fixed block 1, a fixed rod 3 is slidably installed in the first through hole 2, the bottom end of the fixed rod 3 extends out of the first through hole 2, a screw hole 4 is formed in one end of the fixed rod 3 located in the first through hole 2, a motor 5 is fixedly installed at the top of the fixed block 1, an output shaft of the motor 5 extends into the screw hole 4, an output shaft of the motor 5 is in threaded connection with the screw hole 4, two connecting rods 6 are symmetrically rotatably installed at the bottom end of the fixed rod 3, two supporting rods 7 are fixedly installed at the bottom of the fixed block 1 and symmetrically arranged based on the fixed rod 3, a slide rod 8 is arranged below the fixed block 1, the bottom ends of the two supporting rods 7 are respectively welded and fixed with two ends of the slide rod 8, two clamping blocks 9 are symmetrically sleeved on the slide rod 8 in a sliding mode, the two clamping blocks 9 are provided with square grooves 10 with open top sides at one side close to each other, the two square grooves 10 are positioned above the slide bars 8, one ends of the two connecting rods 6 far away from the fixed rods 3 are respectively rotatably arranged in the two square grooves 10, the top of the fixed block 1 is rotatably provided with a handle 11, the handle 11 is sleeved with a rubber sleeve 12, the two clamping blocks 9 are matched with and clamp a cable, the clamping blocks 9 slide on the slide bars 8 under the matching of the fixed block 1, the first through hole 2, the fixed rods 3, the screw holes 4, the connecting rods 6 and the support bars 7 by taking the motor 5 as driving force, the distance between the two clamping blocks 9 is changed, so that the cable is clamped between the two clamping blocks 9, the efficiency of cable laying is greatly improved.
The positioning grooves are symmetrically formed in the inner walls of the two sides of the first through hole 2, the positioning blocks are symmetrically and fixedly arranged on the two sides of the fixing rod 3, the positioning blocks are slidably arranged in the positioning grooves, a bearing which is rotatably arranged in the first through hole 2 is arranged above the fixing rod 3, the bearing is rotatably sleeved on the output shaft of the motor 5, an external thread is arranged on the output shaft of the motor 5, a thread ring is arranged in the thread hole 4, the output shaft of the motor 5 is in threaded connection with the thread ring, a forward rotation button is fixedly arranged on one side of the fixing block 1, an inverse rotation button fixedly arranged on the fixing block 1 is arranged below the forward rotation button, arc-shaped grooves which are positioned below the sliding rods 8 are formed in one sides, which are close to each other, of the two clamping blocks 9 are fixedly arranged on the inner walls of the arc-shaped grooves, the cable is clamped through the cooperation of the two clamping blocks 9, the motor 5 is used as a driving force, the clamping blocks 9 slide on the fixing block 1, the first through hole 2, the fixing rod 3, the screw hole 4, the connecting rod 6 and the supporting rod 7 are matched, the distance between the two clamping blocks 9 is changed, and the cable is clamped between the two clamping blocks 9 is not convenient for the two clamping blocks to be convenient for a large operator to pull the cable, and the cable is convenient to be laid by the operator.
In actual use, the motor 5 is controlled to rotate firstly, under the supporting action of the bearing, the motor 5 can rotate stably, the output shaft of the motor 5 rotates in the screw hole 4, the fixing rod 3 is pushed downwards under the action of the locating block and the locating groove, the connecting rod 6 is pushed by the fixing rod 3 again, so that the two clamping blocks 9 are pushed to the side far away from each other, then the cable is placed between the two clamping blocks 9, the motor 5 is controlled to rotate reversely, the fixing rod 3 is driven to move upwards by the reverse rotation of the motor 5, so that the two clamping blocks 9 move to the side close to each other, the cable is clamped between the two clamping blocks 9, at the moment, the cable can be dragged by the handle 11, the cable can be stably dragged, the damage to hands of workers can be reduced, and when the cable needs to be taken out, the cable can be taken down only by starting the motor 5 again, and the two clamping blocks 9 move to the side far away from each other.
Referring to fig. 3 to 4, since the structure of fig. 1 to 2 generates a relatively large reverse force to the output shaft of the motor 5 when the fixing rod 3 applies a downward or upward force to the connecting rod 6, it may seriously affect the life of the motor 5 and even directly damage the motor 5. Accordingly, the applicant has made the following improvements:
a locking plate 100 is fixed on a fixed block 1, a pushing threaded hole 110 is formed in the locking plate 100, the pushing threaded hole 110 and a screw rod 51 are assembled through threaded screwing, one end of the screw rod 51 is connected with an output shaft of a motor 5, and the other end of the screw rod 51 is arranged in a fixed rod 3 and assembled through threaded screwing;
in use, the reaction force generated by the fixing rod 3 is borne by the locking plate 100, and basically has no influence on the motor.
Further, the excessive reaction force generated by the fixing rod 3 may damage the screw thread where the push screw hole 110 is assembled with the screw rod 51, which may affect the normal service life thereof, so the following improvement may be made:
the locking plate 100 and the fixed block 1 form a guide groove 101, a roller 430 is installed in the guide groove 101, the roller 430 and a second connecting shaft 420 are rotatably assembled, the second connecting shaft is fixed on one end of the force guide rod 200, a first connecting shaft 410 is arranged on the other end of the force guide rod 200, the force guide rod and a component force disc 300 are rotatably assembled (hinged) by the first connecting shaft 410, the component force disc 300 and the screw rod 51 are rotatably assembled through threads, the screwing direction of the component force disc 300 and the screw rod 51 is opposite to the screwing direction of the screw rod 51 and the pushing threaded hole 110, namely, when the screw rod 51 rotates, if the component force disc moves to the fixed rod, the component force disc moves to the motor direction, and the moving directions of the component force disc and the screw rod are opposite, and the component force disc and the screw rod can be realized by arranging two threads on the screw rod.
When the screw rod 51 pushes up the fixing rod 3, the roller pushes up the inner side surface of the guide groove so as to decompose the reverse acting force born by the screw rod 51 onto the fixing block 1 through the force guide rod 200, thereby effectively protecting the screw thread at the pushing screw hole. The roller rotates around the second connecting shaft as a center to roll in the guide groove.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a draw gear for cable laying, including fixed block (1), a serial communication port, first through-hole (2) has been seted up to the bottom of fixed block (1), sliding mounting has dead lever (3) in first through-hole (2), and the bottom of dead lever (3) extends to outside first through-hole (2), screw (4) have been seted up to one end that dead lever (3) are located first through-hole (2), the top fixed mounting of fixed block (1) has motor (5), the output shaft of motor (5) extends to in screw (4), and the output shaft and screw (4) threaded connection of motor (5), two connecting rods (6) are installed in the bottom symmetry rotation of dead lever (3), the bottom fixed block (1) has two bracing pieces (7), and two bracing pieces (7) are based on the below of fixed lever (3) symmetry setting, and the bottom of two bracing pieces (7) respectively with the both ends welded fastening of first through-hole (8), symmetrical slip cap is equipped with motor (9) on slide bar (8), two clamp pieces (9) are located side of two side of each other and two side clamp pieces (10) are all set up in side slot (10) of side of being close to each other, one ends of the two connecting rods (6) far away from the fixed rod (3) are respectively rotatably arranged in the two square grooves (10), the top of the fixed block (1) is rotatably provided with a handle (11), and the handle (11) is sleeved with a rubber sleeve (12);
positioning grooves are symmetrically formed in the inner walls of the two sides of the first through hole (2), positioning blocks are symmetrically and fixedly arranged on the two sides of the fixed rod (3), and the positioning blocks are slidably arranged in the positioning grooves;
a locking plate (100) is fixed on the fixed block (1), a pushing threaded hole (110) is formed in the locking plate (100), the pushing threaded hole (110) and a screw rod (51) are assembled through threaded screwing, one end of the screw rod (51) is connected with an output shaft of a motor (5), and the other end of the screw rod is installed in a fixed rod (3) and assembled through threaded screwing;
a guide groove (101) is formed between the locking plate (100) and the fixed block (1), a roller (430) is installed in the guide groove (101), the roller (430) and a second connecting shaft (420) can be assembled in a rotating mode, the second connecting shaft (420) is fixed on one end of the force guide rod (200), a first connecting shaft (410) is arranged at the other end of the force guide rod (200), the force guide rod (200) and the component force disc (300) can be assembled in a rotating mode through the first connecting shaft (410), and the component force disc (300) and the screw rod (51) are assembled in a screwing mode through threads;
the screwing direction of the component force disc (300) and the screw rod (51) is opposite to the screwing direction of the screw rod (51) and the pushing threaded hole (110).
2. A traction device for cable laying according to claim 1, characterized in that the upper part of the fixed rod (3) is provided with a bearing rotatably mounted in the first through hole (2), and the bearing is rotatably sleeved on the output shaft of the motor (5).
3. A traction device for cable laying according to claim 1, characterized in that the output shaft of the motor (5) is provided with an external thread, the screw hole (4) is internally provided with a thread ring, and the output shaft of the motor (5) is in threaded connection with the thread ring.
4. A traction device for cable laying according to claim 1, characterized in that a forward button is fixedly mounted on one side of the fixed block (1), and a reverse button fixedly mounted on the fixed block (1) is arranged below the forward button.
5. A traction device for cable laying according to claim 1, characterized in that the two clamping blocks (9) are provided with arc-shaped grooves below the sliding rod (8) on the sides close to each other, and the inner walls of the arc-shaped grooves are fixedly provided with anti-slip pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711139592.5A CN107645143B (en) | 2017-11-16 | 2017-11-16 | Traction device for cable laying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711139592.5A CN107645143B (en) | 2017-11-16 | 2017-11-16 | Traction device for cable laying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107645143A CN107645143A (en) | 2018-01-30 |
| CN107645143B true CN107645143B (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711139592.5A Active CN107645143B (en) | 2017-11-16 | 2017-11-16 | Traction device for cable laying |
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| CN (1) | CN107645143B (en) |
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| Publication number | Publication date |
|---|---|
| CN107645143A (en) | 2018-01-30 |
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