CN212832067U - Reel for protecting cable - Google Patents

Abstract

The utility model discloses a winder for protecting cable aims at solving present tractor and is difficult to direct use for the cable to lay or retrieve, causes the cable injured not enough easily. The utility model discloses an including bobbin, spiral support and driver, the bobbin both ends are equipped with the spacing limit that prevents the cable and turn over, and the driver hub connection has the rotation inner tube, rotate the coaxial setting of inner tube in the core of bobbin, rotate the inner tube both ends and rotate respectively and connect the spiral support, rotate and be connected with between inner tube and the bobbin and protect line mechanism, protect line mechanism and include a plurality of clutch blocks, clutch block fixed connection is on the bobbin, and the clutch block is arranged along radial direction, and the one side that the clutch block is close to the bobbin axle center is the friction surface, the inner tube is rotated in the friction surface laminating. The manual pulling of the cable is avoided, the burden of workers is reduced, and the cable is prevented from being damaged in the pulling process due to the structure that the winding reel is separated from the rotating inner shaft.

Description

Reel for protecting cable

Technical Field

The utility model relates to a cable laying field, more specifically say, it relates to a winder for protecting cable.

Background

When the road is required to be renovated and the line is laid, the cable is always required to be pulled, and the cable in the pipeline is pulled by a tractor or manpower. However, due to the complex environment in the pipeline, in the process of pulling, if a large obstruction is encountered, and the corresponding tractor is in a non-stop state, the cable is easily broken or the rubber sheet of the cable is easily elongated, so that the function of the cable is affected, or the tractor stops running and is burnt out. This can be avoided by manpower, but the burden on the worker is excessive.

Chinese patent publication No. CN2536561, entitled an improved cable winder, is installed in a housing, and a hollow shaft is fixed in the middle of the housing; a chain wheel with a ratchet wheel is fixed at the front end of the hollow shaft, a magnetic coupler is fixed in the middle of the hollow shaft, and a cable drum wound with a cable is arranged at the rear end of the hollow shaft; the magnetic coupler is respectively connected with the hollow shaft and the cable drum. A collecting ring is fixed inside the cable drum; one end of a cable wound on the cable drum is connected with the power supply, and the other end of the cable is connected with the collecting ring. The ratchet wheel fixed on the chain wheel at the front end of the hollow shaft is connected with the ratchet wheel on the walking wheel transmission chain wheel of the suction dredge or the mud scraper through a transmission device. The utility model has the advantages that the moment acting on the magnetic force coupler and the cable drum is relatively small, the change is relatively gentle, and the magnetic block inside the magnetic force coupler is prevented from being cracked; the improved cable winder has small volume and more compact structure. During towing, if an obstacle is encountered, the cable is easily pulled.

Disclosure of Invention

The utility model overcomes present tractor is difficult to directly be used for the cable to lay or retrieve, causes the cable injured not enough easily, provides a winder for protecting the cable, and it can break away from with the reel when reaching the design maximum pulling force, avoids too big power to draw bad cable.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a winder for protecting cable, includes bobbin, spiral support and driver, the bobbin both ends are equipped with the spacing limit that prevents the cable and turn over, and the driver hub connection has the rotation inner tube, rotate the coaxial setting of inner tube at the core of bobbin, rotate the inner tube both ends and rotate respectively and connect the spiral support, rotate and be connected with between inner tube and the bobbin and protect line mechanism, protect line mechanism and include a plurality of clutch blocks, clutch block fixed connection on the bobbin, the clutch block is arranged along radial direction, and the one side that the clutch block is close to the bobbin axle center is the friction surface, the inner tube is rotated in the friction surface laminating.

The driver drives the rotating inner shaft to rotate coaxially, the rotating inner shaft drives the winding reel to rotate through friction force, and the winding support ensures the stability of the winding reel. The limiting edges at the two ends of the winding reel prevent the cable from being separated in the winding process. The purpose of this design is that during re-laying of the road, the previously laid cables need to be recovered. In the simplest case, the cable in the conduit is pulled out by means of a pulling machine. However, since there is more than one strand in the conduit, direct withdrawal may be extremely resistant, causing damage to the cable itself. In order to avoid this state, a structure is provided in which the inner rotating shaft is separated from the spool. The separation between the two is realized by a wire protection mechanism. The wire protecting mechanism comprises a plurality of friction blocks, the friction blocks are arranged on the inner wall of the winding reel, and the friction ends of the friction blocks are abutted to the inner rotating shaft in a fitting manner. When the drag force required by the rotation of the cable is small, the spool and the rotating inner shaft generate static friction and rotate synchronously. When the cable is blocked, the pulling force is extremely high, the winding reel and the rotating inner shaft rotate relatively, the friction block overcomes the friction force, the winding reel does not rotate any more in the state, the cable does not receive the extremely high pulling force any more, and the cable is prevented from being damaged.

Preferably, spokes are fixedly connected to two ends of the winding reel, one ends of the spokes close to the axis are fixedly connected to the positioning rings, the positioning rings are sleeved on the outer ring of the bearing, and the rotating inner shaft is fixedly connected to the inner ring of the bearing in an inserted manner. Through spoke connection, the moment of inertia of the bicycle is increased. The two are rotationally connected through the bearing, so that the relative rotation between the two is realized.

Preferably, the friction blocks are arranged in the axial direction. The rotating tracks of the friction blocks are not together, and the structure can reduce the overhigh temperature of the rotating inner shaft caused by the friction of the friction blocks.

Preferably, the rotating inner shaft is provided with a plurality of friction areas corresponding to the friction blocks, and the friction surface is attached to the friction areas. The friction surface has a greater friction force with the optical axis than the friction force before the friction zone.

Preferably, the limit edges are fixedly connected to both ends of the spool by fasteners. The connecting form of the fastener has high strength and reliable connection.

Preferably, the friction blocks are equally spaced on the spool. The structure ensures that the torque of the device is similar at all positions, and improves the strength of the device.

Preferably, the angles between adjacent friction blocks are the same. The angles formed by the connecting lines of the adjacent friction blocks and the axis are the same. The above-described structure improves the strength of the device,

compared with the prior art, the beneficial effects of the utility model are that: (1) the cable is prevented from being pulled by manpower, and the burden of workers is reduced; (2) the structure that the winding reel is separated from the rotating inner shaft prevents the cable from being damaged in the pulling process.

Drawings

Fig. 1 is a schematic cross-sectional view of the present invention;

fig. 2 is a left side view of the spool of the present invention;

in the figure: the winding device comprises a winding reel 1, a winding support 2, a driver 3, a limiting edge 4, a rotating inner cylinder 5, a friction block 6, a spoke 7, a positioning ring 8, a bearing 9 and a friction surface 10.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example (b):

a reel for protecting a cable comprises a winding reel 1, a winding support 2 and a driver 3, wherein two ends of the winding reel 1 are provided with limiting edges 4 for preventing the cable from turning out, and the limiting edges 4 are fixedly connected to two ends of the winding reel 1 through fasteners. The connecting form of the fastener has high strength and reliable connection.

As shown in fig. 2, the driver 3 is connected with a rotating inner cylinder 5 through a shaft, the rotating inner cylinder 5 is coaxially arranged at the core of the winding reel 1, two ends of the rotating inner cylinder 5 are respectively and rotatably connected with the winding support 2, two ends of the winding reel 1 are fixedly connected with spokes 7, one ends of the spokes 7 close to the shaft center are fixedly connected to a positioning ring 8, the positioning ring 8 is sleeved on an outer ring of a bearing 9, and the rotating inner shaft is fixedly connected to an inner ring of the bearing 9 in an inserted manner. Connected by spokes 7, the moment of inertia thereof is increased. The two are rotationally connected through a bearing 9, so that relative rotation between the two is realized.

The wire protection mechanism is connected between the rotating inner cylinder 5 and the winding reel 1 and comprises a plurality of friction blocks 6, the friction blocks 6 are fixedly connected to the winding reel 1, the friction blocks 6 are arranged along the radial direction, one surface, close to the axis of the winding reel 1, of each friction block 6 is a friction surface 10, and the friction surfaces 10 are attached to the rotating inner cylinder 5. The friction block 6 is arranged along the axial direction. The rotating tracks of the friction blocks 6 are not together, and the structure can reduce the overhigh temperature of the rotating inner shaft caused by the friction of the friction blocks 6. The friction blocks 6 are distributed on the spool 1 at equal intervals. The structure ensures that the torque of the device is similar at all positions, and improves the strength of the device. The included angle between the adjacent friction blocks 6 is the same. The angles formed by the connecting lines of the adjacent friction blocks 6 and the shaft center are the same. The structure improves the strength of the device. The rotating inner shaft is provided with a plurality of friction areas corresponding to the friction blocks 6, and the friction surface 10 is attached to the friction areas. The friction surface 10 has a greater friction force with the optical axis than the friction force before the friction area of the friction surface 10.

The driver 3 drives the rotating inner shaft to coaxially rotate, the rotating inner shaft drives the winding reel 1 to rotate through friction force, and the winding support 2 ensures the stability of the winding reel 1. The limiting edges 4 at the two ends of the winding reel 1 prevent the cable from being separated in the winding process. The purpose of this design is that during re-laying of the road, the previously laid cables need to be recovered. In the simplest case, the cable in the conduit is pulled out by means of a pulling machine. However, since there is more than one strand in the conduit, direct withdrawal may be extremely resistant, causing damage to the cable itself. In order to avoid this state, a structure is provided in which the inner rotating shaft is separated from the spool 1. The separation between the two is realized by a wire protection mechanism. The wire protection mechanism comprises a plurality of friction blocks 6, the friction blocks 6 are arranged on the inner wall of the winding reel 1, and the friction ends of the friction blocks 6 are abutted to the inner rotating shaft in a fitting manner. When the drag force required for the rotation of the cable is small, the spool 1 and the inner rotating shaft generate static friction and rotate synchronously. When the cable is blocked, the pulling force is extremely high, the winding reel 1 and the rotating inner shaft rotate relatively, the friction block 6 overcomes the friction force, in this state, the winding reel 1 does not rotate any more, the cable does not receive the extremely high pulling force any more, and the cable is prevented from being damaged. When the winding reel 1 stops rotating, the cable is manually tidied, and the reason for the increase of the tension is eliminated. Then when the friction force is larger than the force required by traction again, the winding reel 1 and the rotating inner shaft are restored to the synchronous rotating state, and normal work is continued.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the following claims.

Claims (7)

1. The utility model provides a winder for protecting cable, characterized by, includes spool, spiral support and driver, the spool both ends are equipped with the spacing limit that prevents the cable and turn over, and the driver hub connection has the rotation inner tube, rotate the coaxial setting of inner tube at the core of spool, rotate the inner tube both ends and rotate respectively and connect the spiral support, rotate and be connected with between inner tube and the spool and protect line mechanism, protect line mechanism and include a plurality of clutch blocks, clutch block fixed connection is on the spool, and the clutch block is arranged along radial direction, and the one side that the clutch block is close to the spool axle center is the friction surface, the inner tube is rotated in the friction surface laminating.

2. The reel for protecting the cable as claimed in claim 1, wherein spokes are fixedly connected to both ends of the winding reel, one ends of the spokes near the axis are fixedly connected to the positioning rings, the positioning rings are sleeved on the outer ring of the bearing, and the rotating inner cylinder is fixedly connected to the inner ring of the bearing.

3. The cord reel for protecting a cord according to claim 1, wherein the friction block is provided in an axial direction.

4. The reel for protecting a cable as claimed in claim 3, wherein the rotating inner cylinder is provided with a plurality of friction areas corresponding to the friction blocks, and the friction surface is engaged with the friction areas.

5. The cord reel of claim 1, wherein the catching edge is fixedly coupled to both ends of the spool by a fastening member.

6. The cord reel for protecting a cord according to claim 3, wherein the friction blocks are equally spaced on the spool.

7. The cord reel for protecting a cord according to any one of claims 1 to 6, wherein angles between adjacent friction blocks are the same.

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