CN214479064U - Auxiliary lifting device for high-voltage short circuit grounding wire - Google Patents
Auxiliary lifting device for high-voltage short circuit grounding wire Download PDFInfo
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- CN214479064U CN214479064U CN202022512378.3U CN202022512378U CN214479064U CN 214479064 U CN214479064 U CN 214479064U CN 202022512378 U CN202022512378 U CN 202022512378U CN 214479064 U CN214479064 U CN 214479064U
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- lifting device
- lifter
- grounding wire
- rod
- insulating bar
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Abstract
The utility model discloses a supplementary elevating gear of high-voltage short circuit earth connection, include insulating bar and install the earth clamp at insulating bar top, the earth clamp presss from both sides on the wire to the rotatory action bars through earth clamp bottom installation presss from both sides the wire tightly with the earth clamp, still includes lifter and snap ring, and insulating bar installs in the snap ring, and snap ring fixed mounting is equipped with elevating gear on the top lateral wall of lifter on the lifter, and elevating gear passes through support frame fixed mounting subaerial on the lifter. The utility model discloses a height of lifter is adjusted to elevating gear, in the height of adjusting the lifter, assembles insulating bar one by one, and the snap ring card of lifter top side wall mounting is as a load point on insulating bar to reduce the operation focus when satisfying the operating height, prevent because of the insulating bar deformation, the bending that the operation focus leads to on high side, ensure operating personnel's personal safety, and prevent that equipment from damaging.
Description
Technical Field
The utility model relates to an overhaul auxiliary assembly technical field, concretely relates to supplementary elevating gear of high pressure short circuit earth connection.
Background
The insulating operating rod of the high-voltage short circuit grounding wire of the power plant is long, the sectional area of the wire is large, taking a 500KV grounding wire as an example, the distance between the wire and the ground is 8.5-10 meters, the length of the 500KV grounding wire insulating operating rod is 8 meters according to the standards of portable grounding and grounding short circuit devices for DL/T879-2004 live-line work, therefore, when an operator hangs the grounding wire, the insulating operating rod with a copper wire needs to be lifted to be separated from the ground and completely erected, at the moment, the gravity center of the whole rod is higher, the acting point of the operator is lower, the whole grounding device is difficult to be completely and stably controlled by hand force alone, the insulating operating rod is light in weight, the wire is heavy in weight, the insulating operating rod can be inclined slightly due to carelessness, and the following safety accidents can be caused: the toppling of the insulating operating rod cannot be controlled, so that the danger of hurting people is caused; the insulating operating rod cannot control other equipment with points which may be touched, and the danger of hanging the ground wire in a charged manner exists; the insulator can be damaged when the insulator operating rod is knocked on the insulator due to heavy weight; in the dumping process, the gravity center of the whole device is arranged at the upper part, and the force application place of operators is arranged at the lower part, so that the insulated operating rod is deformed and bent at the moment, and the risk of breakage is caused.
In conclusion, the traditional insulating operating rod has a large safety risk and can cause irreversible serious consequences to both human bodies and equipment.
Disclosure of Invention
Not enough to the aforesaid, the utility model aims to provide a high-pressure short circuit earth connection assists elevating gear, guarantees the focus of insulating bar stable in operation process, solves the problem of operation personnel operation difficulty, reaches the effect of stable operation to the safety of guarantee operating personnel and equipment.
In order to achieve the above purpose, the utility model provides a technical scheme is:
the utility model provides a high voltage short circuit earth connection auxiliary lifting device, includes insulating bar and installs the earth clamp at insulating bar top, the earth clamp bottom is connected with the earth connection, the earth clamp presss from both sides on the wire to the rotatory action bars through earth clamp bottom installation presss from both sides the wire tightly with the earth clamp, still includes lifter and snap ring, insulating bar installs in the snap ring, snap ring fixed mounting is in on the top lateral wall of lifter, elevating gear is equipped with on the lifter, elevating gear passes through support frame fixed mounting subaerial.
Preferably, the insulating operating rod comprises a first operating rod, an intermediate rod and a second operating rod, the ground clamp is installed at the top of the first operating rod, the lower end of the first operating rod is fixedly connected with the intermediate rod, and the lower end of the intermediate rod is connected with the upper end of the second operating rod.
Preferably, the diameter of the clamping ring is larger than that of the insulating operating rod and smaller than that of the grounding wire clamp.
Preferably, the second operating rod is provided with an insulated handle.
Preferably, the lifting rod is formed by multi-section threaded connection.
Preferably, the lifting device is provided with an operating handle, and the lifting rod penetrates through the lifting device and changes the length of the lifting rod through spiral lifting.
Preferably, the rotary operating rod comprises a threaded rod and a clamping plate installed at the top of the threaded rod, the top of the first operating rod is provided with an opening, an internal thread is arranged in the opening, the lower end of the threaded rod penetrates through the bottom of the grounding wire clamp and then is in threaded connection with the internal thread in the opening, the clamping plate is located in the grounding wire clamp, and the wire is located between the inner side of the bottom of the grounding wire clamp and the clamping plate.
Preferably, the support frame comprises more than 3 support rods, the support rods are inclined with the ground, the bottoms of the support rods are arranged on the ground, and the tops of the support rods are arranged at the bottoms of the lifting devices.
The utility model has the advantages that: the utility model discloses a height of lifter is adjusted to elevating gear, in the height of adjusting the lifter, assemble insulating bar one by one, the snap ring card of lifter top side wall mounting is as a load point on insulating bar to reduce the operation focus when satisfying the operating height, prevent to warp, crooked because of the insulating bar that the operation focus leads to on the high side, guarantee operating personnel's personal safety, and prevent that equipment from damaging, whole process operation is simple, the facilitate promotion.
The present invention will be further explained with reference to the drawings and the embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a structural view of the present invention.
The reference numerals in the drawings are explained below.
The device comprises an insulating operating rod I1, a grounding wire clamp I2, a grounding wire I21, a rotating operating rod I3, a threaded rod I31, a clamping plate I32, a lifting rod I4, a clamping ring I5, a lifting device I6, an operating handle I61 and a support frame I7.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the auxiliary lifting device for the high-voltage short-circuit grounding wire comprises an insulating operating rod 1 and a grounding wire clamp 2 installed at the top of the insulating operating rod 1, wherein a grounding wire 21 is connected to the bottom of the grounding wire clamp 2, the grounding wire clamp 2 is clamped on a wire, the wire and the grounding wire clamp 2 are clamped tightly through a rotating operating rod 3 installed at the bottom of the grounding wire clamp 2, the auxiliary lifting device further comprises a lifting rod 4 and a clamping ring 5, the insulating operating rod 1 is installed in the clamping ring 5, the clamping ring 5 is fixedly installed on the side wall of the top of the lifting rod 4, a lifting device 6 is installed on the lifting rod 4, and the lifting device 6 is fixedly installed on the ground through a support frame 7.
In this embodiment, insulating bar 1 includes first action bars, intermediate lever and second action bars, the top installation earth clamp 2 of first action bars, lower extreme and intermediate lever fixed connection, the lower extreme of intermediate lever is connected with the upper end of second action bars, in the use, when adjusting the height of lifter 4, installs first action bars, intermediate lever and second action bars one by one, and with 1 equipment of insulating bar back up lifting it, 5 cards of snap ring are as a load point on insulating bar 1, prevent that insulating bar 1 from warping, bending.
In this embodiment, the diameter of the snap ring 5 is larger than that of the insulating operating rod 1 and smaller than that of the grounding wire clamp 2, so that the insulating operating rod 1 can be conveniently assembled and disassembled.
In this embodiment, the second operating rod is provided with an insulating handle, so that the insulating operating rod 1 can be lifted up after being assembled.
Furthermore, the lifting rod 4 is formed by multi-section threaded connection.
Further, an operating handle 61 is installed on the lifting device 6, the lifting rod 4 penetrates through the lifting device 6 and changes the length of the lifting rod 4 through spiral lifting, the lifting device 6 is controlled to move through the operating handle 61 to lift or lower the lifting rod 4, the lifting rod 4 can be locked at a certain position, and spiral lifting is mainly performed through threads on the lifting rod 4 and threads in the lifting device.
Further, rotatory action bars 3 includes threaded rod 31 and installs the cardboard 32 at threaded rod 31 top, the opening has been seted up at the top of first action bars, be equipped with the internal thread in the opening, threaded rod 31 lower extreme runs through the bottom of earth clamp 2, then with the interior internal thread threaded connection in opening, cardboard 32 is located in earth clamp 2, the wire is located between 2 bottom inboards of earth clamp and cardboard 32, thereby through rotatory threaded rod 31 with the wire chucking between 2 bottom inboards of earth clamp and cardboard 32 to with earth clamp 2 fixed mounting at the top of first action bars.
In this embodiment, the support frame 7 is composed of more than 3 support rods, the support rods are inclined with the ground, the bottom of each support rod is installed on the ground, the top of each support rod is installed at the bottom of the lifting device 6, the height of the lifting device 6 is fixed in the whole operation process, and the lifting rod 4 moves in the lifting device 6, so that the height of the lifting rod 4 is changed.
Taking 220KV grounding wire operation as an example, a first operating rod with a grounding wire clamp 2 is clamped in a clamping ring 5 through a telescopic lifting device 6, then an operating handle 61 is operated to lift a lifting rod 4 to a position which is about 1m away from the bottom surface of the first operating rod, the lifting device 6 is locked, at the moment, the lifting rod is about 2.5m approximately, then an intermediate rod is installed at the lower end of the first operating rod, the lifting rod 4 is continuously lifted by about 1.5m through the lifting device 6, at the moment, the total lifting is about 4m, the bottom of the intermediate rod is about 1m away from the ground, the lifting device 6 is locked, then a second operating rod is installed at the lower end of the intermediate rod, so that the assembly of the insulating operating rod 1 is completed, the assembled insulating operating rod 1 is lifted upwards, the total length is 4.5m, and the height of an operator is added, the height of the grounding wire clamp and the ground is about 5m, at the moment, the position of the clamping ring 5 is a force bearing point, the insulating operating rod 1 is supported, fixed and guided to a certain degree, so that the operating rod cannot be toppled and bent at will, and an operator only needs to operate in the vertical direction. After the grounding wire clamp 2 is clamped, the height of the lifting rod 4 is reduced through the lifting device 6, the clamping ring 5 is larger than the diameter of the grounding wire clamp 2 due to the fact that the diameter of the clamping ring is larger than that of the insulating operating rod 1, the lower end of the second operating rod is convenient to move out of the clamping ring 5, and the problem caused by the fact that the center of gravity of operation is high in the whole process is well solved.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used herein, they are used in a generic and descriptive sense only and not for purposes of limitation, the scope of the invention being defined by the following claims and their equivalents.
Claims (8)
1. The utility model provides a high voltage short circuit earth connection auxiliary lifting device, includes insulating bar (1) and installs earth clamp (2) at insulating bar (1) top, earth clamp (2) bottom is connected with earth connection (21), earth clamp (2) press from both sides on the wire to rotary operating rod (3) through earth clamp (2) bottom installation press from both sides the wire tightly with earth clamp (2), its characterized in that still includes lifter (4) and snap ring (5), install in snap ring (5) insulating bar (1), snap ring (5) fixed mounting be in on the top lateral wall of lifter (4), elevating gear (6) are equipped with on lifter (4), elevating gear (6) are subaerial through support frame (7) fixed mounting.
2. The auxiliary lifting device for the high-voltage short-circuit grounding wire as claimed in claim 1, wherein: insulating bar (1) includes first action bars, intermediate lever and second action bars, the top installation earth clamp (2) of first action bars, lower extreme and intermediate lever fixed connection, the lower extreme of intermediate lever is connected with the upper end of second action bars.
3. The auxiliary lifting device for the high-voltage short-circuit grounding wire as claimed in claim 2, wherein: the diameter of the snap ring (5) is larger than that of the insulating operating rod (1) and smaller than that of the grounding wire clamp (2).
4. The auxiliary lifting device for the high-voltage short-circuit grounding wire as claimed in claim 2, wherein: and an insulating handle is arranged on the second operating rod.
5. The auxiliary lifting device for the high-voltage short-circuit grounding wire as claimed in claim 1, wherein: the lifting rod (4) is formed by multi-section threaded connection.
6. The auxiliary lifting device for the high-voltage short-circuit grounding wire as claimed in claim 5, wherein: the lifting device (6) is provided with an operating handle (61), and the lifting rod (4) penetrates through the lifting device (6) and changes the length of the lifting rod (4) through spiral lifting.
7. The auxiliary lifting device for the high-voltage short-circuit grounding wire as claimed in claim 2, wherein: rotatory action bars (3) include threaded rod (31) and install cardboard (32) at threaded rod (31) top, the opening has been seted up at the top of first action bars, be equipped with the internal thread in the opening, threaded rod (31) lower extreme runs through the bottom of earth clamp (2), then with internal thread threaded connection in the opening, cardboard (32) are located in earth clamp (2), the wire is located between earth clamp (2) bottom inboard and cardboard (32).
8. A high-voltage short-circuit grounding wire auxiliary lifting device as claimed in any one of claims 1 to 7, wherein: the supporting frame (7) is composed of more than 3 supporting rods, the supporting rods are inclined with the ground, the bottoms of the supporting rods are installed on the ground, and the tops of the supporting rods are installed at the bottoms of the lifting devices (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022512378.3U CN214479064U (en) | 2020-11-04 | 2020-11-04 | Auxiliary lifting device for high-voltage short circuit grounding wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022512378.3U CN214479064U (en) | 2020-11-04 | 2020-11-04 | Auxiliary lifting device for high-voltage short circuit grounding wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214479064U true CN214479064U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022512378.3U Active CN214479064U (en) | 2020-11-04 | 2020-11-04 | Auxiliary lifting device for high-voltage short circuit grounding wire |
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| CN (1) | CN214479064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114784587A (en) * | 2022-04-21 | 2022-07-22 | 四川大学 | Auxiliary lapping device for transformer grounding wire |
-
2020
- 2020-11-04 CN CN202022512378.3U patent/CN214479064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114784587A (en) * | 2022-04-21 | 2022-07-22 | 四川大学 | Auxiliary lapping device for transformer grounding wire |
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