CN219314273U

CN219314273U - Grounding wire winding and unwinding device

Info

Publication number: CN219314273U
Application number: CN202221912263.6U
Authority: CN
Inventors: 郭晓飞; 马剑锋; 韩晓飞; 王树威; 赵文东; 聂紫鹏; 赵晓彬; 赵广辉; 刘宏虹; 王海东; 孙佳慧; 张一凡
Original assignee: State Grid Corp of China SGCC; KME Sp zoo
Current assignee: State Grid Corp of China SGCC; KME Sp zoo
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-07-07
Anticipated expiration: 2032-07-21

Abstract

The utility model provides a grounding wire winding and unwinding device which comprises a spool, wherein protruding parts are respectively arranged outwards on axis wires at two ends of the spool, and two ends of the spool are arranged on a bracket through the protruding parts and can rotate on the bracket; the boss at one end of the spool is provided with a round hole extending towards the inner side of the spool along the axis, and the round hole is connected with the connecting shaft of the turntable; an external gear is fixedly arranged at the end part of the connecting shaft, and an internal gear matched with the external gear is fixedly arranged in the round hole; the connecting shaft can move in the round hole, the rotary disc can drive the spool to rotate after the external gear is meshed with the internal gear, and the spool can independently rotate after the rotary disc is pushed to the direction close to the spool to separate the external gear from the internal gear. The grounding wire winding and unwinding device provided by the utility model is tidy in storage, convenient to carry and convenient to wind and unwind.

Description

Grounding wire winding and unwinding device

Technical Field

The utility model relates to the technical field of wire winding and unwinding, in particular to a grounding wire winding and unwinding device.

Background

The hanging ground wire is the most important ring in the electric power overhaul work, and when electric power overhaul is carried out, the ground wire is required to be installed immediately after the equipment is clearly powered off. The length of the grounding wire in different use environments is also different, and in the overhaul of a 10 kilovolt line, the grounding wire with the length of about 12 meters is commonly used.

The earth connection uses more frequently in daily maintenance work, if become the earth connection and then string into one cluster of round, the carrying and the arrangement of earth connection are very inconvenient like this to the earth connection appears the phenomenon of knoing easily when opening the earth connection, perhaps appears by other instrument hooking phenomenon etc. easily, need waste a large amount of time to handle, reduce work efficiency. And the length of the grounding wire is longer, so that the problems of messy storage and the like can occur when the grounding wire is in series storage.

If the grounding wire is wound on the spool like a cable, the phenomenon of knotting is not easy to occur when the grounding wire is wound and unwound, the phenomenon that the grounding wire is hooked by other tools is also not easy to occur, and the problems of messy storage and the like when the grounding wires are stored in a string are also avoided. However, when the spool is used for paying out, the spool needs to be rotated along with the paying-out of the ground wire, so that the ground wire is constantly discharged. Further, when the spool is used for winding, it is necessary to reversely rotate the spool in accordance with winding of the ground wire so that the ground wire is wound around the spool. Therefore, the grounding wire is wound and unwound by the spool, so that the working efficiency is low, and the time and the labor are consumed.

Therefore, there is a need for a device for storing and paying out a grounding wire that can be stored neatly, is convenient to carry, and is convenient to store and pay off in the power overhaul work.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a grounding wire winding and unwinding device which is tidy in storage, convenient to carry and convenient to wind and unwind.

In order to solve the technical problems, the utility model provides a grounding wire winding and unwinding device which comprises a spool, a turntable connected with the spool and a bracket;

the shaft center lines at two ends of the spool are respectively provided with a convex part which protrudes outwards, and the two ends of the spool are rotatably arranged on the bracket through the convex parts so that the spool can rotate on the bracket;

the boss at one end of the spool is provided with a round hole extending towards the inner side of the spool along the axis, and the round hole is connected with the connecting shaft of the turntable;

an external gear is fixedly arranged at the end part of the connecting shaft of the turntable, and an internal gear matched with the external gear is fixedly arranged in a round hole at one end of the spool;

the connecting shaft of the rotary table can move in a round hole at one end of the spool, the rotary table can drive the spool to rotate after the connecting shaft external gear is meshed with the round hole internal gear, and the spool can independently rotate after the connecting shaft external gear is separated from the round hole internal gear by pushing the rotary table in the direction close to the spool.

Further, a limiting block is arranged on one side, close to the rotary disc, of the inner gear in the round hole.

Further, a shaking handle capable of being folded towards the circle center direction of the turntable is arranged on the turntable.

Further, the spool comprises a middle drive main shaft and spool discs fixed at two ends of the middle drive main shaft, and a fixed grounding wire bolt is arranged on one surface, far away from the turntable, of the spool disc close to the turntable.

Further, the spool disk comprises a circular ring, and the circular ring is fixedly connected with the middle drive main shaft through spokes.

Further, the protruding parts at the two ends of the spool are respectively connected with the bracket through bearings.

Further, a bearing to which the boss of the spool is connected at an end remote from the turntable is provided in a bearing housing fixed to the bracket.

Further, a disc is fixedly arranged on the bearing seat.

Further, the disc is provided with a plurality of pairs of buckles up and down on one surface far away from the spool.

According to the grounding wire winding and unwinding device, the gears capable of being meshed are respectively arranged at the connection positions of the bobbins and the turntables, the turntables can drive the bobbins to rotate to wind wires after the gears are meshed, and the bobbins can independently rotate to unwind wires after the gears are separated, so that the winding and unwinding of the grounding wires are convenient and quick, the phenomena of knotting, winding and the like of the grounding wires are avoided, and the working efficiency of winding and unwinding the grounding wires during electric power overhaul is greatly improved. Moreover, after the ground wire is wound and unwound by the ground wire winding and unwinding device, the ground wire can be stored neatly, and friction and hooking phenomena between the ground wire and other tools and instruments in the engineering vehicle can be avoided, so that the damage to the ground wire and the influence on the service life of the ground wire can be effectively avoided.

Drawings

Fig. 1 is a schematic structural diagram of a ground wire winding and unwinding device according to an embodiment of the present utility model;

fig. 2 is a partially enlarged view of the connection between the spool and the turntable of the ground wire winding and unwinding device according to the embodiment of the present utility model;

fig. 3 is a schematic diagram of a turntable structure of a ground wire winding and unwinding device according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of a spool disc structure of a ground wire winding and unwinding device according to an embodiment of the present utility model;

fig. 5 is a schematic disc structure of a ground wire winding and unwinding device according to an embodiment of the present utility model.

Detailed Description

Referring to fig. 1, the ground wire winding and unwinding device provided by the embodiment of the utility model comprises a spool 1, a turntable 5 connected with the spool 1 and a bracket 2, wherein protruding parts 3 are respectively arranged on the axes of two ends of the spool 1 to the outside, and the two ends of the spool 1 are rotatably arranged on the bracket 2 through the protruding parts 3 so that the spool 1 can rotate on the bracket 2. As a specific embodiment of the present utility model, the protrusions 3 at both ends of the spool 1 are respectively connected to the bracket 2 through bearings 9, so that the spool 1 rotates on the bracket 2 more easily and smoothly.

Referring to fig. 2, a boss 3 at one end of the spool 1 is provided with a circular hole 4 extending inward of the spool 1 along the axis, and a connection shaft 6 of a turntable 5 is fitted in the circular hole 4.

Wherein, connecting axle 6 tip fixed setting external gear 7, round hole 4 internal gear 8 that the internal gear 7 matches. The connecting shaft 6 is arranged in the round hole 4 and can move in the round hole 4, when the connecting shaft 6 moves in the round hole 4 to enable the external gear 7 to be meshed with the internal gear 8, the connecting shaft 6 can be prevented from sliding circumferentially with the spool 1 when rotating along with the rotating disc 5, and therefore the rotating disc 5 can drive the spool 1 to rotate, and winding of a grounding wire can be achieved. When the rotary disk 5 is pushed in a direction approaching the spool 1 to separate the external gear 7 from the internal gear 8, the spool 1 can be rotated alone, so that the paying-off of the ground wire can be realized.

As a specific embodiment of the present utility model, when the rotary disk 5 is pulled outward (i.e., in a direction away from the spool 1) to cause the external gear 7 to bite into the internal gear 8, in order to prevent the connecting shaft 6 from coming out of the circular hole 4, a stopper 10 is provided in the circular hole 4 on a side of the internal gear 8 close to the rotary disk 5.

Referring to fig. 3, as an embodiment of the present utility model, a swing handle 14 is provided on the turntable 5. The shaking handle 14 is fixed on the disk surface of the turntable 5 through the through nails 15, and the shaking handle 14 can rotate around the through nails 15 as the shaft in the center direction of the turntable 5. When not in use, the shaking handle 14 can be retracted, so that the shaking handle 14 is prevented from being knocked, and the use is convenient.

The spool 1 comprises a middle drive main shaft 11 and spool discs 12 fixed at two ends of the middle drive main shaft 11. Wherein, a fixed grounding wire bolt 13 is arranged on one surface of the spool disk 12 close to the turntable 5 and far away from the turntable 5, and is used for fixing the grounding wire head.

Referring to fig. 4, as an embodiment of the present utility model, the spool disk 12 includes a ring 121, and the ring 121 is fixedly coupled to the intermediate drive spindle 11 by spokes 122 in a manner similar to a bicycle spoked wheel. Thus, the weight of the spool disc 12 can be ensured to be light, the spool disc 12 can be ensured to normally rotate along with the middle drive main shaft 11, and the transmission of the driving force of the spool 1 and the running stability of the spool 1 are ensured.

As a specific embodiment of the utility model, the bearing 9 connected to the boss 3 at the end of the spool 1 remote from the turntable 5 is provided in a bearing housing fixed to the bracket 2.

As a specific embodiment of the present utility model, a disc 16 is fixedly provided on the bearing housing. Thus, even if the spool 1 is rotating, the disc 16 does not rotate with the spool 1 because the disc 16 is fixed to the bearing housing on the bracket 2.

Referring to fig. 5, as an embodiment of the present utility model, a plurality of pairs of snaps 17 are provided up and down on a side of the disc 16 remote from the spool 1. Thus, when the ground wire is not used by being wound around the spool 1, the ground rod at the tail of the ground wire can be locked in the buckle 17.

When the grounding wire winding and unwinding device is used, the grounding wire head is fixed on the fixed grounding wire bolt 13 of the spool disc 12, then the rotating disc 5 is pulled in the direction away from the spool 1 to enable the external gear 7 to be meshed with the internal gear 8, the rocking handle 14 on the rotating disc 5 is rocked, the rotating disc 5 rotates to drive the spool 1 to rotate, the grounding wire is continuously wound on the middle drive main shaft 11 of the spool 1, after the grounding wire is wound on the middle drive main shaft 11 of the spool 1, the grounding rod at the tail of the grounding wire is clamped in the clamping buckle 17, then the grounding wire winding and unwinding device can be installed on a tool car to be transported to an electric power overhaul place, the rotating disc 5 is pushed in the direction approaching to the spool 1 to enable the external gear 7 to be separated from the internal gear 8 during paying off, the grounding rod at the tail of the grounding wire is taken down from the clamping buckle 17, the grounding wire is pulled, and the spool 1 can rotate independently to realize paying off of the grounding wire. At the same time, the payout person can hold the spool discs 12 at both ends of the spool 1, preventing the spool 1 from toppling over. When the winding is performed, the rotary table 5 is pulled in a direction away from the spool 1 to enable the external gear 7 to be meshed with the internal gear 8, the shaking handle 14 on the rotary table 5 is shaken, the rotary table 5 rotates to drive the spool 1 to rotate, and the grounding wire can be wound on the spool 1.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.

Claims

1. The utility model provides a ground wire receive and releases device which characterized in that: comprises a spool, a turntable connected with the spool and a bracket;

the connecting shaft of the rotary table can move in a round hole at one end of the spool, the rotary table can drive the spool to rotate after the external gear of the connecting shaft is meshed with the round hole internal gear, and the spool can independently rotate after the external gear of the connecting shaft is separated from the round hole internal gear by pushing the rotary table in the direction close to the spool.

2. The ground wire takeup and pay-off device according to claim 1, wherein: and a limiting block is arranged on one side, close to the turntable, of the inner gear in the round hole.

3. The ground wire takeup and pay-off device according to claim 2, wherein: the rotary table is provided with a shaking handle which can be folded towards the center direction of the rotary table.

4. The ground wire takeup and pay-off device according to claim 1, wherein: the spool comprises a middle-drive main shaft and spool discs fixed at two ends of the middle-drive main shaft, and a fixed grounding wire bolt is arranged on one surface, close to the rotating disc, of the spool disc, which is far away from the rotating disc.

5. The ground wire takeup and pay-off device according to claim 4, wherein: the spool disk comprises a circular ring, and the circular ring is fixedly connected with the middle drive spindle through spokes.

6. The ground wire takeup and pay-off device according to claim 1, wherein: the protruding parts at the two ends of the spool are respectively connected with the bracket through bearings.

7. The ground wire takeup and pay-off device according to claim 1, wherein: the bearing connected with the boss at one end of the spool far away from the turntable is arranged in the bearing seat fixed on the bracket.

8. The ground wire takeup and pay-off device according to claim 7, wherein: a disc is fixedly arranged on the bearing seat.

9. The ground wire takeup and pay-off device according to claim 8, wherein: the disc is provided with a plurality of pairs of buckles on one surface far away from the spool.