CN220549844U - Cable twisting device - Google Patents

Abstract

The utility model relates to the technical field of wind power generation construction equipment, in particular to a cable twisting device which comprises a cable fixing piece, a large gear ring, a base, an upper cover, a plurality of long bolts and a plurality of limiting devices. By providing a plurality of restraining means, the large gear ring is abutted from a plurality of directions. Thereby reducing the shaking and friction of the cable and prolonging the service life of the cable.

Description

Cable twisting device

Technical Field

The utility model relates to the technical field of wind power generation construction equipment, in particular to a cable twisting device.

Background

The power cable of the wind turbine generator system passes through the generator, and the engine room enters the top section tower barrel. In the tower barrel of the top section, the power cable needs to be reserved for a sufficient length, and the requirement that the cable moves along with the engine room in yaw is met. In an ideal situation, the particles on the cable do both torsion and vertical motion, the motion trajectory being similar to a spiral. In practice, however, the cable does not move exactly in the vertical direction. There is also some sway of the cable during yaw. When the power cable is laid, the cable is prevented from being wound and squeezed due to yaw. Therefore, it is necessary to invent a cable twisting device applied to a tower of a wind generating set to solve the above problems.

Disclosure of Invention

The utility model aims to provide a cable twisting device for solving the problem that the cable winding extrusion proposed in the background art is worn.

The technical scheme of the utility model is as follows:

the cable twisting device comprises a cable fixing piece, a base and an upper cover, wherein the base and the upper cover are fixed at intervals in parallel, round holes are formed in the base and the upper cover, the cable fixing piece sequentially penetrates through the two round holes, a plurality of cables are fixed in the cable fixing piece along the circumferential direction, and a large gear ring is fixedly sleeved outside the cable fixing piece; the base top is provided with evenly encircle the cable mounting along circumference and sets up at least three restriction device, each restriction device towards the one end of big gear ring all rotate be connected with big gear ring engaged with pinion.

Preferably, the limiting device comprises a movable pin and a limiting seat, one end of the movable pin is elastically sleeved with the limiting seat in a sliding manner, and the other end of the movable pin is rotatably connected with the pinion.

Preferably, the limiting seat comprises a fixed seat, a rear end cover and a spring, wherein the fixed seat is of a sleeve structure and is fixedly arranged on the base; the rear end cover is fixed on one end of the fixing seat far away from the cable fixing piece, the movable pin is sleeved in the fixing seat in a sliding manner, and the spring is fixedly connected between the movable pin and the rear end cover.

Preferably, the movable pin comprises a connecting handle and a sliding block, the connecting handle is fixedly connected with the sliding block, and the sliding block is sleeved in the fixed seat in a sliding way.

Preferably, the limiting device further comprises a large bolt, a cuboid groove is formed in the upper portion of the sliding block, and the large bolt penetrates through the upper wall of the fixing seat and is embedded into the groove.

Preferably, the upper cover is provided with windows at positions right above the pinions.

The utility model has the following beneficial effects:

1. the utility model is provided with a plurality of limiting devices, and the pinions at the tail ends of the limiting devices are propped against the large gear ring from a plurality of directions, so that the rotation and friction of the cable are reduced, and the service life of the cable is prolonged.

2. According to the utility model, the cuboid-shaped groove is formed in the upper part of the sliding block, and the large bolt penetrates through the upper wall of the fixed seat and is embedded into the groove, so that the sliding block is prevented from driving the connecting handle and the pinion to rotate, the pinion can prop against the large gear ring, the rotation and friction of a cable are reduced, and the service life of the cable is prolonged.

3. The novel window is arranged on the upper cover to monitor whether the pinion runs normally or not, so that the maintenance is convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the structure of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

FIG. 4 is a cross-sectional elevation view of the restriction device;

fig. 5 is a cross-sectional top view of the restriction device.

The reference numerals in the drawings are as follows:

1. a base; 2. an upper cover; 3. a cable fixing member; 4. a cable; 5. a large gear ring; 6. a restriction device; 7. a limiting seat; 8. a pinion gear; 10. a spring; 11. a movable pin; 12. a fixing seat; 13. a rear end cover; 15. a large bolt; 16. a protective bracket; 17. a round hole; 111. a groove; 112. a sliding block; 113. and a connecting handle.

Detailed Description

The utility model will now be described in detail with reference to the drawings and to specific embodiments.

The utility model is arranged in a top section tower barrel of the generator set, and is particularly fixedly arranged on a protection bracket 16 in the top section tower barrel.

As shown in fig. 1-3, the cable twisting device of the embodiment comprises a cable fixing piece 3, a base 1 and an upper cover 2, wherein the base 1 and the upper cover 2 are fixed in parallel at intervals, round holes 17 are formed in the base 1 and the upper cover 2, the cable fixing piece 3 sequentially passes through the two round holes 17, a plurality of cables 4 are fixed in the cable fixing piece 3 along the circumferential direction, and a large gear ring 5 is fixedly sleeved outside the cable fixing piece 3; the top end of the base 1 is provided with at least three limiting devices 6 which uniformly encircle the cable fixing piece 3 along the circumferential direction, and one end of each limiting device 6, which faces the large gear ring 5, is rotationally connected with a small gear 8 meshed with the large gear ring 5.

As shown in fig. 4, the limiting device 6 preferably comprises a movable pin 11 and a limiting seat 7, wherein one end of the movable pin 11 is elastically and slidably sleeved with the limiting seat 7, and the other end of the movable pin is rotatably connected with the pinion 8.

As shown in fig. 4, preferably, the limiting seat 7 comprises a fixed seat 12, a rear end cover 13 and a spring 10, wherein the fixed seat 12 is of a sleeve structure, and the fixed seat 12 is fixedly arranged on the base 1; the rear end cover 13 is fixed on the fixing base 12 and is far away from one end of the cable fixing piece 3, the movable pin 11 is sleeved in the fixing base 12 in a sliding manner, and the spring 10 is fixedly connected between the movable pin 11 and the rear end cover 13.

As shown in fig. 4, preferably, the movable pin 11 includes a connection handle 113 and a sliding block 112, the connection handle 113 is fixedly connected with the sliding block 112, and the sliding block 112 is slidably sleeved in the fixed seat 12.

As shown in fig. 5, the limiting device 6 preferably further comprises a large bolt 15, a rectangular parallelepiped groove 111 is formed in the upper portion of the sliding block 112, and the large bolt 15 passes through the upper wall of the fixing base 12 and is embedded in the groove 111.

As shown in fig. 1-2, the upper cover 2 is preferably windowed in a position directly above each pinion 8.

The working principle of the utility model is as follows:

6 limiting devices 7 are symmetrically distributed on the bottom plate in a point-to-point mode, and 6 pinions 8 are propped against the large gear ring 5 from 6 directions; one end of the spring 10 is propped against the rear end cover 13, and the other end is propped against the movable pin 11, so that the shake of the cable 4 can be counteracted by the spring 10;

the sliding block 112 is provided with a cuboid groove 111, the big bolt 15 passes through the upper wall of the fixed seat 12 and clamps the groove 111, so that the movable pin 11 cannot rotate in the sleeve of the fixed seat 12, and the rotation and the shaking of the cable 4 are restrained by the pinion 8;

the upper cover 2 is provided with a small window above the pinion, so that a worker can conveniently monitor the operation condition of the cable twisting device, and if the cable twisting device fails, the position of the failed part can be determined for replacement or maintenance.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "connected" should be interpreted broadly, and for example, it may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims (6)

1. The utility model provides a turn round cable device, its characterized in that includes cable mounting (3), base (1) and upper cover (2) are parallel fixed at intervals, all open round hole (17) on base (1) and upper cover (2), cable mounting (3) pass two round holes (17) in proper order, just cable mounting (3) are inside to be fixed with a plurality of cables (4) along circumference, the outside fixed cover of cable mounting (3) is equipped with gear wheel ring (5);

the top end of the base (1) is provided with at least three limiting devices (6) which uniformly encircle the cable fixing piece (3) along the circumferential direction, and one end of each limiting device (6) facing the large gear ring (5) is rotationally connected with a small gear (8) meshed with the large gear ring (5).

2. Cable twisting device according to claim 1, wherein the limiting device (6) comprises a movable pin (11) and a limiting seat (7), one end of the movable pin (11) is elastically and slidably sleeved with the limiting seat (7), and the other end is rotatably connected with the pinion (8).

3. The cable twisting device according to claim 2, wherein the limiting seat (7) comprises a fixed seat (12), a rear end cover (13) and a spring (10), the fixed seat (12) is of a sleeve structure, and the fixed seat (12) is fixedly arranged on the base (1); the rear end cover (13) is fixed on one end of the fixing seat (12) far away from the cable fixing piece (3), the movable pin (11) is sleeved in the fixing seat (12) in a sliding mode, and the spring (10) is fixedly connected between the movable pin (11) and the rear end cover (13).

4. The cable twisting device according to claim 2, wherein the movable pin (11) comprises a connecting handle (113) and a sliding block (112), the connecting handle (113) is fixedly connected with the sliding block (112), and the sliding block (112) is slidably sleeved in the fixed seat (12).

5. The cable twisting device according to claim 4, wherein the limiting device (6) further comprises a large bolt (15), a cuboid-shaped groove (111) is formed in the upper portion of the sliding block (112), and the large bolt (15) penetrates through the upper wall of the fixing seat (12) and is embedded in the groove (111).

6. A twisting device according to claim 1, wherein the upper cover (2) is windowed in a position directly above each pinion (8).