CN218619705U - Portable electric power earth connection spooler - Google Patents
Portable electric power earth connection spooler Download PDFInfo
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- CN218619705U CN218619705U CN202221951472.1U CN202221951472U CN218619705U CN 218619705 U CN218619705 U CN 218619705U CN 202221951472 U CN202221951472 U CN 202221951472U CN 218619705 U CN218619705 U CN 218619705U
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- electric power
- portable electric
- spooler
- earth connection
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Abstract
The utility model provides a portable electric power earth connection spooler, include: the two ends of the wire wheel are respectively provided with a brake wheel fixed through a steel column; the supporting shaft penetrates through the wire wheel along the central axis direction of the wire wheel; the first end of the volute spiral spring is connected with the support shaft, and the second end of the volute spiral spring is connected with the steel column; and the cam is fixed in the same plane with the brake wheel, and the movable end of the cam is in contact with the brake wheel. The utility model discloses a quick expansion and automatic withdrawal to electric power earth connection are applicable to and come from different producers to have the electric power earth connection of different specifications, promoted work efficiency, reduced working strength. Additionally, the utility model discloses still effectively protected the earth connection at the in-process of depositing electric power earth connection, prolonged the life of earth connection.
Description
Technical Field
The utility model belongs to power equipment maintains the field, especially relates to a portable electric power earth connection spooler.
Background
The related operations of power line maintenance, preventive tests, power transformation operation and the like all involve grounding and discharging steps, so the grounding wire is an indispensable tool in the power industry.
The grounding wire is widely used, and the grounding wire with 10kV, 110kV or higher voltage grade adopts the design of a longer grounding wire body. Such a design facilitates the connection of a sufficiently long grounding line to the grounding point during operation, but it also brings about considerable trouble to the extension of the grounding line before operation and to the retraction thereof at the end of operation in an impracticable manner. For example: the increase of the length and the workload of the preparation working time in the earlier stage of the overhaul and the test is caused, and even the potential safety hazard can not be timely eliminated because the grounding wire is not in place in the overhaul process, thereby causing great economic loss. In addition, the existing wire rewinding device cannot effectively protect the grounding wire when the grounding wire is stored, and does not have the function of prolonging the service life of the grounding wire.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, an embodiment of the utility model provides a portable electric power earth connection spooler, include: the two ends of the wire wheel are respectively provided with a brake wheel fixed through a steel column; the supporting shaft penetrates through the wire wheel along the central axis direction of the wire wheel; a volute spiral spring, wherein the first end of the volute spiral spring is connected with the supporting shaft, and the second end of the volute spiral spring is connected with the steel column; the cam is fixed on the same plane with the brake wheel, and the movable end of the cam is in contact with the brake wheel.
Preferably, the reel is provided with a plurality of steel columns which are uniformly wound along the circumferential direction of the support shaft.
Preferably, the number of the steel columns is preferably 8.
Preferably, the diameter of the wire wheel is 216mm, and the length of the wire wheel is 416mm; the diameter of the brake wheel is 360mm.
Preferably, the portable electric power ground wire spooler further comprises a plurality of spiral springs, wherein the number of the spiral springs is preferably 3.
Preferably, the portable electric power ground wire spooler further comprises: and end covers fixed at both ends of the support shaft.
Preferably, the cam is fixed to the inside of the end cap.
Preferably, the support shaft includes: the bearings are respectively positioned at two ends of the supporting shaft and are respectively and correspondingly connected with two brake wheels; and the shaft sleeve is arranged between the bearings at the two ends of the supporting shaft.
Preferably, the portable electric power ground wire spooler further comprises: a housing for housing the cam, the headblock, and the end cap.
Preferably, the portable electric power grounding wire spooler further comprises a handle and a base, wherein the handle is connected with the base through a connection short section, and the connection short section is fixed on the outer side of the shell.
Compared with the prior art, one or more embodiments in the above scheme can have the following advantages or beneficial effects:
the utility model provides a portable electric power earth connection spooler, this portable electric power earth connection spooler utilize the unwrapping wire process for receiving line process stored energy based on the produced energy change of volute spiral spring's elastic deformation to twine the earth connection is automatic when receiving the line the utility model discloses a take turns to. The utility model discloses to ground connection and the discharge operation that relevant operations such as electric power planned nature overhauls, preventive test and transformer operation involved, overcome in the operation process electric power earth connection expand and pack up inconvenient defect, realized coming from different producers to the electric power earth connection that has different specifications expand fast and pack up.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, together with the description of embodiments of the invention, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of an overall structure of a portable electric power ground wire spooler according to an embodiment of the present application.
Fig. 2 is a cross-sectional view of a portable electric power ground wire spooler of the embodiment of the present application.
In the present application, the drawings are schematic, merely illustrative of the principles of the invention, and are not drawn to scale.
Wherein the reference numbers are listed below:
10: left brake wheel
11: right brake wheel
12: steel column
20: supporting shaft
21: bearing assembly
22: shaft sleeve
30: scroll spring
40: cam wheel
50: left end cap
51: right end cap
60: outer cover
70: handle bar
71: base seat
Detailed Description
The following detailed description will be made with reference to the accompanying drawings and examples, so as to solve the technical problems by applying technical means to the present invention, and to fully understand and implement the technical effects of the present invention. It should be noted that, as long as no conflict is formed, the embodiments and the features in the embodiments of the present invention may be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.
The related operations of power line maintenance, preventive tests, power transformation operation and the like all involve grounding and discharging steps, so the grounding wire is an indispensable tool in the power industry.
The grounding wire is widely used, and the grounding wire with 10kV, 110kV or higher voltage grade adopts the design of a longer grounding wire body. Such a design facilitates the connection of a sufficiently long grounding wire to the grounding point during operation, but it also brings about considerable trouble for the extension of the grounding wire before operation and the retraction thereof at the end of operation. For example: the length of time and the workload of the overhaul and test early preparation work are increased, and even the potential safety hazard cannot be timely eliminated due to the fact that the grounding wire is not in place in the overhaul process, so that great economic loss is caused. In addition, the existing wire rewinding device cannot effectively protect the grounding wire when the grounding wire is stored, and does not have the function of prolonging the service life of the grounding wire.
In order to solve the problem, the utility model provides a portable electric power earth connection spooler, this portable electric power earth connection spooler utilize the unwrapping wire process for receiving line process storage energy based on the produced energy change of spiral spring's elastic deformation to with earth connection automatic winding when receiving the line the utility model discloses a take turns to. The utility model discloses to the ground connection and the operation of discharging that relevant operations such as electric power planning nature maintenance, preventive test and transformer operation involved, overcome in the operation process electric power earth connection expand and pack up inconvenient defect, realized coming from different producers to have the quick expansion and the packing up of the electric power earth connection of different specifications.
Fig. 1 is a schematic view of an overall structure of a portable electric power ground wire spooler according to an embodiment of the present application. Fig. 2 is a cross-sectional view of a portable power ground wire spooler according to an embodiment of the present application. The structure and function of the portable electric power grounding wire spooler of the present invention will be described in detail with reference to fig. 1 and 2.
As shown in fig. 1, the portable electric power ground wire spooler of this embodiment includes: a reel, a support shaft 20, a spiral spring 30 and a cam 40. And brake wheels fixed through steel columns 12 are respectively arranged at two ends of the reel. The supporting shaft 20 penetrates along the central axis direction of the reel. Scroll spring 30 is connected at a first end to support shaft 20 and at a second end to steel column 12. The cam 40 is fixed in the same plane as the headblock and the movable end of the cam 40 is in contact with the headblock.
And brake wheels fixed through steel columns 12 are respectively arranged at the two ends of the wire wheel. In the embodiment of the application, the reel is composed of a left brake wheel 10 and a right brake wheel 11 which are respectively welded and fixed at two ends of a steel column 12, and the steel column 12. Wherein, the fixed position of steel column 12 on the brake wheel is parallel and not coincident with the axis of line wheel along the horizontal direction. In addition, referring to fig. 2, the left brake wheel 10 of the present embodiment has protrusions uniformly distributed along the outer side of the left brake wheel 10. The right brake wheel 11 and the left brake wheel 10 are mirror images of a central axis in the vertical direction of the reel.
The supporting shaft 20 penetrates along the central axis direction of the reel. The supporting shaft 20 of the present embodiment coincides with the central axis of the reel in the horizontal direction, and both ends of the supporting shaft 20 pass through the left brake wheel 10 and the right brake wheel 11, respectively.
In one specific embodiment of the present application, the headblocks (left headblock 10 and right headblock 11) have a diameter of 360mm.
Further, the reel is provided with a plurality of steel columns 12, and the plurality of steel columns 12 are uniformly wound in the circumferential direction of the support shaft 20. Because every steel column 12 evenly encircles along the circumference direction of back shaft 20, so connect the tie point of steel column 12 on left braked wheel 10 and right braked wheel 11 respectively, can form the same circular of size respectively on left braked wheel 10 and right braked wheel 11, circular diameter is the diameter of line wheel, and the length of steel column 12 is the length of line wheel.
In one embodiment of the present application, the diameter of the pulley is 216mm and the length is 416mm.
In one embodiment of the present application, the number of steel columns 12 is preferably 8.
Further, a first end of a spiral spring 30 is connected to the support shaft 20, and a second end is connected to the steel column 12. Specifically, a first end of wrap spring 30 is located at a center position of wrap spring 30, and support shaft 20 passes through the center of wrap spring 30. The first end of the spiral spring 30 is fixed to the support shaft 20, and the second end is fixed to the corresponding steel column 12 according to actual requirements. In addition, the outer side of the spiral spring 30 contacts each steel column 12, and the deformation of the spiral spring 30 is restricted by the steel column 12. Before paying off, an electric grounding wire is wound on the steel column 12 of the reel. One end of the electric grounding wire is pulled to pay off, at the moment, the wire wheel rotates, and the volute spiral spring 30 is bent and elastically deformed. The second end of the spiral spring 30 is fixed on different steel columns 12, so that the spiral spring 30 has different degrees of elastic deformation in the initial state, and the winding speed when the electrical ground wire is retracted is controlled.
The present embodiment further includes a plurality of spiral springs 30, and a plurality of different connection modes can be obtained by connecting each spiral spring 30 to different steel columns 12. Wherein, each connection mode corresponds to corresponding take-up speed. In one embodiment of the present application, the number of wrap springs 30 is preferably 3.
The cam 40 and the brake wheel are fixed in the same plane, and the movable end of the cam 40 is contacted with the brake wheel. The present embodiment provides two cams 40. Each cam 40 is fixed in the same plane with the left brake wheel 10 and the right brake wheel 11, and one end of the cam 40 is a fixed end while the other end is a movable end. During the unwinding, wrap spring 30 is elastically deformed by bending, and left and right brake wheels 10 and 11 are locked by two cams 40 through contact of the free ends with left and right brake wheels 10 and 11, respectively, to store energy. In the process of winding, the spiral spring 30 releases energy through deformation recovery to drive the winding wheel to rotate, so that the electric grounding wire is automatically wound on the winding wheel.
Further, the portable electric power ground wire spooler of the present embodiment further includes a left end cover 50 and a right end cover 51 fixed at both ends of the support shaft 20. The left and right covers 50 and 51 are fixed to both ends of the support shaft 20, respectively, to protect the corresponding brake wheels. Wherein, the left brake wheel 10 and the right brake wheel 11 are respectively positioned at the inner sides of the left end cover 50 and the right end cover 51.
The two cams 40 in this embodiment are fixed to the inner sides of the left and right covers 50 and 51, respectively.
The support shaft 20 is provided with bearings 21 respectively located at both ends of the support shaft 20 to support the brake wheel during rotation of the brake wheel, reduce a friction coefficient of the brake wheel during movement, and ensure rotation accuracy of the brake wheel. The bearings 21 are also connected with two brake wheels (the left brake wheel 10 and the right brake wheel 11) correspondingly. Meanwhile, the support shaft 20 is further provided with a bushing 21 disposed between the bearings 21 at both ends of the support shaft 20. Specifically, bearings 21 are provided at both ends of the support shaft 20. Wherein, one end of the bearing 21 positioned at the left end of the supporting shaft 20 is connected with the left end of the supporting shaft 20, and the other end is connected with the left brake wheel 10; one end of the bearing 21 positioned at the right end of the supporting shaft 20 is connected with the right end of the supporting shaft 20, and the other end is connected with the right brake wheel 11. A sleeve 21 is fitted over the outer surface of the support shaft 20 between the bearings 21 for protecting the support shaft 20. Therefore, only the shaft sleeve 21 needs to be replaced after the supporting shaft 20 is worn, so that the direct wear of the supporting shaft 20 is avoided, and the later maintenance cost is reduced.
Further, the portable electric power grounding wire spooler of this embodiment still possesses: a housing 60 for housing the cam 40, headblock and end caps. Specifically, the housing 60 internally houses the cam 40, the brake wheel, and the end cap, and the housing 60 is provided with a hole site for passing through the steel column 12. The housing 60 effectively protects the cam 40, the brake wheel and the end caps by preventing foreign objects from entering, ensuring smooth take-up and pay-off processes.
Next, the portable electric power ground wire rewinding device further includes a handle 70 and a base 71, wherein the handle 70 is connected to the base 71 through a short connector, and the short connector is fixed to the outside of the housing 60. In the portable hand-held wheel type wire rewinding device, the handle 70 is fixed at one end of the connecting short section in the vertical direction, and the base 71 is fixed at the other end of the connecting short section. The outer side of the housing 60 is fixed to the coupling sub in the vertical direction. The base 71 of the embodiment prevents the electric grounding wire from being affected with damp due to the contact with the ground in the storage process, and the handle 70 is combined with the reel, so that the portable electric grounding wire winding device is convenient to move.
The utility model provides a portable electric power earth connection spooler, this portable electric power earth connection spooler utilize the unwrapping wire process for receiving line process stored energy based on the produced energy change of volute spiral spring's elastic deformation to twine the earth connection is automatic when receiving the line the utility model discloses a take turns to. The utility model discloses to the ground connection and the discharge operation that relevant operations such as electric power planned maintenance, preventive test and transformer operation involved, overcome the inconvenient defect of expansion and packing up of electric power earth connection in the operation process, realized coming from different producers to have the quick expansion and packing up of the electric power earth connection of different specifications (for example: different voltage grades). The utility model provides high work efficiency has reduced working strength, has effectively protected the earth connection when depositing the electric power earth connection, has prolonged the life of earth connection.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Of course, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it is intended that all such modifications and variations be considered within the spirit or scope of the present invention as defined by the appended claims.
Claims (10)
1. The utility model provides a portable electric power earth connection spooler which characterized in that includes:
the two ends of the wire wheel are respectively provided with a brake wheel fixed through a steel column;
the support shaft penetrates along the central axis direction of the wire wheel;
a volute spiral spring, wherein the first end of the volute spiral spring is connected with the supporting shaft, and the second end of the volute spiral spring is connected with the steel column;
the cam is fixed on the same plane with the brake wheel, and the movable end of the cam is in contact with the brake wheel.
2. The portable electric power ground wire spooler of claim 1, wherein the reel is provided with a plurality of steel columns that are evenly wound along a circumferential direction of the support shaft.
3. The portable electric power ground cord winder according to claim 2, wherein the number of steel columns is 8.
4. The portable electrical power ground wire spooler of claim 3,
the diameter of the wire wheel is 216mm, and the length of the wire wheel is 416mm;
the diameter of the brake wheel is 360mm.
5. The portable electric power ground wire spooler of claim 4, further comprising a plurality of volute coil springs.
6. A portable electric power grounding line spooler according to any one of claims 1 to 5, further comprising:
and the end covers are fixed at two ends of the supporting shaft.
7. The portable electrical ground cord winder of claim 6, wherein the cam is fixed inside the end cap.
8. The portable electric power ground wire spooler of claim 7, wherein said support shaft is provided with:
the bearings are respectively positioned at two ends of the supporting shaft and are respectively and correspondingly connected with two brake wheels;
and the shaft sleeve is arranged between the bearings at the two ends of the supporting shaft.
9. The portable electric power ground wire spooler of claim 7 or 8, further comprising:
a housing for housing the cam, the headblock, and the end cap.
10. The portable electric power ground wire spooler of claim 9 further comprising a handle and a base, wherein said handle is connected to said base by a connector sub, said connector sub being fixed to the outside of said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221951472.1U CN218619705U (en) | 2022-07-27 | 2022-07-27 | Portable electric power earth connection spooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221951472.1U CN218619705U (en) | 2022-07-27 | 2022-07-27 | Portable electric power earth connection spooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218619705U true CN218619705U (en) | 2023-03-14 |
Family
ID=85459295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221951472.1U Active CN218619705U (en) | 2022-07-27 | 2022-07-27 | Portable electric power earth connection spooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218619705U (en) |
-
2022
- 2022-07-27 CN CN202221951472.1U patent/CN218619705U/en active Active
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