Cable conduit threading device

Abstract

The invention relates to the technical field of cable pipe penetrating construction equipment, and discloses a cable pipe penetrating device which comprises two symmetrically-arranged clamping plates, binding belts are arranged at the upper end and the lower end of one clamping plate, a winding shaft is rotationally arranged on the other clamping plate, a positioning gear is coaxially arranged on the winding shaft, and the positioning gear is arranged on the other clamping plate. A positioning toothed plate meshed with the positioning gear is arranged on the clamping plate; when the cable penetrating device is used, the free end of the binding belt is bound on the winding shaft, and the winding shaft is rotated to enable the binding belt to be wound on the winding shaft, so that the clamping plate is fixed outside a cable to be arranged in a penetrating mode. According to the invention, quick connection or disassembly with the cable can be realized, convenience is provided for penetration of the cable, the operation and use are flexible, the repeated utilization rate is high, the structure is simple, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cable pipe construction equipment, in particular to a cable pipe threading device. BACKGROUND

[0002] In the prior art, when a cable with a certain diameter is threaded, a net cover is usually used to cover the end of the cable, and then a binding wire is used to fix the net cover. Then, a pulling rope is connected with a traction device, and the traction device is continuously pulled to complete the threading of the cable in the cable pipe. The above-mentioned method of connecting the net cover with the cable to complete the threading of the cable is usually complicated to operate. First, the end of the cable needs to be lifted and the net cover needs to be covered on the cable, and then the binding wire needs to be fixed. After the cable is pulled out of the cable pipe, the binding wire needs to be removed, and the net cover is not easy to remove. In the pulling process, the net cover is seriously worn and the reusability is low. Therefore, there is an urgent need for a cable pipe threading device which can be quickly and fixedly connected with the cable, can be flexibly detached, and can be repeatedly used. SUMMARY

[0003] The purpose of the present application is to provide a cable pipe threading device which can realize quick connection or detachment with the cable, provide convenience for the threading of the cable, be flexible to operate and use, have high reusability, and have simple structure and strong practicality.

[0004] The present application adopts the following technical solutions: A cable pipe threading device comprises two symmetrically arranged clamping plates, one of which is provided with a binding belt at its upper and lower ends, and the other is provided with a winding shaft rotatably arranged thereon. A positioning gear is coaxially arranged on the winding shaft, and a positioning tooth plate is arranged on the clamping plate and engaged with the positioning gear. In use, the free end of the binding belt is tied on the winding shaft, and the clamping plate is fixed on the outside of the cable to be threaded by rotating the winding shaft to wind the binding belt on the winding shaft.

[0005] Preferably, the front end of each clamping plate is provided with a pulling rope.

[0006] Preferably, the clamping plate has an arc-shaped structure.

[0007] Preferably, a receiving cavity is formed in the clamping plate where the winding shaft is arranged, and a through hole is formed at the upper and lower ends of the receiving cavity for the binding belt to pass through. The winding shaft is rotatably arranged in the receiving cavity, and one end of the winding shaft is provided with a driving sleeve outside the receiving cavity. A driving groove is recessed in the driving sleeve.

[0008] Preferably, a plurality of winding wheels are arranged on the winding shaft, and the binding belt is wound on the winding wheels.

[0009] Preferably, the free end of the binding belt is provided with a connecting rod, and a mounting groove for placing the connecting rod is formed in the side wall of the winding wheel, and the connecting rod is detachably connected with the winding wheel through the mounting groove.

[0010] Preferably, a maintenance plate is detachably arranged on the clamping plate outside the accommodating cavity, and the positioning tooth plate is elastically arranged on the maintenance plate.

[0011] Preferably, a ball is movably arranged outside the clamping plate.

[0012] Preferably, a support part is arranged outside the clamping plate, and the ball is movably arranged on the support part.

[0013] Preferably, a threaded rod is arranged on the clamping plate, the support part is threadedly connected with the threaded rod, and one of the threaded rods is connected with the positioning tooth plate.

[0014] Compared with the prior art, the present application has the following beneficial effects: the present application can realize the fixed connection of the clamping plate and the cable by clamping two clamping plates on the two symmetrical sides outside the cable, then connecting the binding belt with the winding shaft, and winding the binding belt on the winding shaft by rotating the winding shaft; the winding shaft can be positioned by the meshing of the positioning tooth plate and the positioning gear, so as to ensure the stability of the binding belt when the cable is pulled. When disassembling, the meshing of the positioning tooth plate and the positioning gear is only needed to be released, the binding belt is pulled to release and expand from the winding shaft, and then the clamping plate can be removed from the cable, so that the operation is simple and convenient, the whole device has high reusability, the waste of materials is reduced, and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a front view of the embodiment of the present application; Figure 2 is a rear view of the embodiment of the present application; Figure 3 is a side view of the clamping plate of the embodiment of the present application; Figure 4 is a sectional view of the clamping plate of the embodiment of the present application; Figure 5 is a front view of the winding wheel of the embodiment of the present application; Figure 6 is a partial sectional view of the connecting rod of the embodiment of the present application. DETAILED DESCRIPTION

[0016] The present application will be described in detail below in combination with the drawings and embodiments: As Figures 1 to 6As shown, the cable pipe threading device comprises two symmetrically arranged clamping plates 1, wherein the upper and lower ends of one of the clamping plates 1 are provided with binding belts 2, which can be made of but not limited to nylon, polypropylene and polyester, so as to ensure the wear resistance; the other clamping plate 1 is rotatably provided with a winding shaft 3, the winding shaft 3 is coaxially provided with a positioning gear 4, and the clamping plate 1 is provided with a positioning tooth plate 5 engaged with the positioning gear 4; in use, the positioning tooth plate 5 and the positioning gear 4 are in a non-contact state, at this time, the free end of the binding belt 2 is tied on the winding shaft 3, the winding shaft 3 is rotated to wind the binding belt 2 on the winding shaft 3 to fix the clamping plate 1 outside the cable to be threaded, then the positioning tooth plate 5 is adjusted to engage with the positioning gear 4 to position the winding shaft 3 and ensure the stability of the binding belt 2, so as to prevent the binding belt 2 from being detached during the movement of the cable and causing the clamping plate 1 to fall off the cable. After the cable is pulled out of the cable pipe, the engagement of the positioning tooth plate 5 and the positioning gear 4 is released, and the binding belt 2 is released, which is simple, quick and practical. The positioning tooth plate 5 in the embodiment is in a V-shaped structure to ensure the positioning effect.

[0017] Further, the front end of each of the two clamping plates 1 is provided with a pulling rope 6, which provides a connection point for connecting the pulling device with the threading device. In addition, the clamping plate 1 is in an arc-shaped structure to enhance the adhesion of the clamping plate 1 to the outer wall of the cable and ensure the close fixation of the clamping plate 1 outside the cable. The arc length of the clamping plate 1 does not need to be too large to meet the clamping and fixation of cables of various diameters.

[0018] Further, the clamping plate 1 where the winding shaft 3 is located forms a receiving cavity 7, the upper and lower ends of the receiving cavity 7 are provided with through holes 8 for the binding belt 2 to pass through; the winding shaft 3 is rotatably arranged in the receiving cavity 7 to avoid contact with the inner wall of the cable pipe and prevent wear between them, wherein one end of the winding shaft 3 is provided with a driving sleeve 9 outside the receiving cavity 7, the driving sleeve 9 is recessed to form a driving groove 10, the end of the electric wrench is inserted into the driving groove 10, the winding shaft 3 is driven to rotate quickly to complete the winding or releasing of the binding belt 2.

[0019] Further, a plurality of winding wheels 11 are arranged on the winding shaft 3, and the restraint belts 2 are wound on the winding wheels 11, facilitating orderly and separate winding of the plurality of restraint belts 2. The free end of the restraint belt 2 is provided with a connecting rod 12, the connecting rod 12 is provided with a connecting groove 13 for connecting the restraint belt 2, and the side wall of the winding wheel 11 is provided with a mounting groove 14 for placing the connecting rod 12, and the connecting rod 12 is detachably connected with the winding wheel 11 through the mounting groove 14. Through the arrangement of the connecting rod 12, the connection and disconnection of the restraint belt 2 and the winding wheel 11 are facilitated, and the orderly winding of the restraint belt 2 on the winding wheel 11 is realized. Preferably, the connecting rod 12 is provided with a connecting protrusion 15 at both ends, and the mounting groove 14 is provided with a connecting groove at both sides. One end of the connecting rod 12 is provided with a buffer cavity 16, and the buffer cavity 16 is connected with the connecting protrusion 15 at the corresponding end through a buffer spring 17. During installation, the elastically arranged connecting protrusion 15 is first inserted into the connecting groove 13, then the connecting rod 12 is pushed axially to compress the buffer spring 17, so that the connecting rod 12 enters the mounting groove 14, and finally the connecting rod 12 is pushed to move along its axis direction under the restoring force of the buffer spring 17, and the other end of the fixedly arranged connecting protrusion 15 is inserted into the connecting groove at the corresponding end, thereby completing the installation and fixation between the connecting rod 12 and the winding wheel 11. The operation is simple and fast, the structure is simple, and the practicability is strong.

[0020] In the embodiment, the clamping plate 1 outside the accommodating cavity 7 is detachably provided with an inspection plate 18, and the positioning tooth plate 5 is elastically arranged on the inspection plate 18. The inspection plate 18 is arranged to facilitate the disassembly and maintenance and replacement of the internal winding shaft 3. The inspection plate 18 is provided with a moving groove, and the positioning tooth plate 5 is elastically arranged in the moving groove through a positioning spring 19. In the initial state, the positioning tooth plate 5 is in engagement with the positioning gear 4.

[0021] Further, a plurality of winding wheels 11 are arranged on the winding shaft 3, and the restraint belts 2 are wound on the winding wheels 11, facilitating orderly and separate winding of the plurality of restraint belts 2. The free end of the restraint belt 2 is provided with a connecting rod 12, the connecting rod 12 is provided with a connecting groove 13 for connecting the restraint belt 2, and the side wall of the winding wheel 11 is provided with a mounting groove 14 for placing the connecting rod 12, and the connecting rod 12 is detachably connected with the winding wheel 11 through the mounting groove 14. Through the arrangement of the connecting rod 12, the connection and disconnection of the restraint belt 2 and the winding wheel 11 are facilitated, and the orderly winding of the restraint belt 2 on the winding wheel 11 is realized. Preferably, the connecting rod 12 is provided with a connecting protrusion 15 at both ends, and the mounting groove 14 is provided with a connecting groove at both sides. One end of the connecting rod 12 is provided with a buffer cavity 16, and the buffer cavity 16 is connected with the connecting protrusion 15 at the corresponding end through a buffer spring 17. During installation, the elastically arranged connecting protrusion 15 is first inserted into the connecting groove 13, then the connecting rod 12 is pushed axially to compress the buffer spring 17, so that the connecting rod 12 enters the mounting groove 14, and finally the connecting rod 12 is pushed to move along its axis direction under the restoring force of the buffer spring 17, and the other end of the fixedly arranged connecting protrusion 15 is inserted into the connecting groove at the corresponding end, thereby completing the installation and fixation between the connecting rod 12 and the winding wheel 11. The operation is simple and fast, the structure is simple, and the practicability is strong.

[0022] The application can firstly connect the binding belts 2 at the top end and the bottom end to the corresponding winding wheels 11, then directly arrange the clamping plates 1 symmetrically on both sides outside the cable, pull the threaded rods 22 connected with the positioning plates outwards, release the engagement positioning of the positioning toothed plate 5 and the positioning gear 4, drive the winding shaft 3 to rotate through the electric wrench, complete the winding of the binding belts 2, and release the positioning toothed plate 5, so that the clamping plates 1 can be tightly fixed outside the cable; finally, connect the pulling ropes 6 at the front end of the clamping plates 1 with the traction equipment, pull the cable to move in the cable pipe, and complete the threading operation of the cable. After the threading of the cable is completed, the positioning of the positioning plate is released, the binding belts 2 are released, the threading device can be taken off from the end of the cable, the operation is simple and fast, the repeated utilization rate is high, and the practicality is strong.

Claims

1. A cable duct threading device, characterized by: The utility model provides a kind of cable fixing device, including two symmetrically arranged clamping plates, wherein one of the clamping plates is provided with a restraint belt at its upper and lower ends, and the other clamping plate is rotatably provided with a winding shaft, the winding shaft is coaxially provided with a positioning gear, and the clamping plate is provided with a positioning tooth plate engaged with the positioning gear.

2. The cable conduit threading device of claim 1, wherein: The free end of the restraint belt is tied on the winding shaft, and the restraint belt is wound on the winding shaft by rotating the winding shaft to complete the fixation of the clamping plate outside the cable to be installed.

3. The cable conduit threading device of claim 1, wherein: The two clamping plates are provided with a pulling rope at their front ends.

4. The cable conduit threading device of claim 3, wherein: The clamping plate is arc-shaped in whole.

5. The cable conduit threading device of claim 4, wherein: The clamping plate is provided with a receiving cavity, and the receiving cavity is provided with a through hole at its upper and lower ends for the restraint belt to pass through.

6. The cable conduit threading device of claim 5, wherein: The winding shaft is rotatably arranged in the receiving cavity, and one end of the winding shaft is provided with a driving sleeve outside the receiving cavity.

7. The cable conduit threading device of claim 4, wherein: The winding shaft is provided with a plurality of winding wheels, and the restraint belt is wound on the winding wheels.

8. The cable conduit threading device of claim 7, wherein: The free end of the restraint belt is provided with a connecting rod, and the side wall of the winding wheel is provided with a mounting groove for the connecting rod to be placed.

9. The cable conduit threading device of claim 8, wherein: The clamping plate outside the receiving cavity is detachably provided with an inspection plate, and the positioning tooth plate is elastically arranged on the inspection plate.

10. The cable conduit threading device of claim 9, wherein: The clamping plate is movably provided with a ball outside. The clamping plate is provided with a support portion outside, and the ball is movably arranged on the support portion. The clamping plate is provided with a threaded rod, and the support portion is threadedly connected with the threaded rod. One of the threaded rods is connected with the positioning tooth plate.

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