CN111211428A - Auxiliary tool for mounting 10kV busbar type grounding wire - Google Patents
Auxiliary tool for mounting 10kV busbar type grounding wire Download PDFInfo
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- CN111211428A CN111211428A CN201911282216.0A CN201911282216A CN111211428A CN 111211428 A CN111211428 A CN 111211428A CN 201911282216 A CN201911282216 A CN 201911282216A CN 111211428 A CN111211428 A CN 111211428A
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- clamping plate
- piston
- auxiliary tool
- insulating
- operating rod
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
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- Manufacturing & Machinery (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention provides a 10kV busbar type grounding wire mounting auxiliary tool which comprises an insulating outer cylinder, a first clamping plate and a second clamping plate, wherein an insulating operating rod capable of moving along the axial direction of the insulating outer cylinder is arranged in the insulating outer cylinder; the first clamping plate is provided with a grounding wire connecting device, and the grounding wire connecting device is connected with a grounding wire. Compared with the traditional mode of connecting by using a hook, the invention has higher stability when being connected with the 10kV overhead line and is not easy to separate from the 10kV overhead line.
Description
Technical Field
The invention relates to the technical field of electricity, in particular to an auxiliary tool for installing a 10kV busbar type grounding wire.
Background
At present, when a 10kV power transmission line is maintained, a grounding effect needs to be carried out on a 10kV overhead line firstly, the 10kV overhead line is connected with the ground by using a grounding device, and the safety of an operator is ensured.
The existing grounding device generally comprises a grounding wire, wherein one end of the grounding wire is provided with a hook, when in operation, the hook is hooked on a 10kV overhead wire by an operator, and the other end of the grounding wire is connected with the ground, so that the grounding operation is completed. Such grounding devices present disadvantages in that: this earthing device links to each other with the overhead line through the couple, and the poor stability of couple connection receives wind-force effect or earth connection and receives external force to drag the back couple and break away from with the overhead line easily, makes operating personnel take place to electrocute danger easily.
Such as: the invention discloses a Chinese patent publication No. CN204243237U, entitled 10kV overhead line hanging ground wire auxiliary tool, which mainly comprises: the wire clamp comprises an insulating rod, a hook arranged at the upper end of the insulating rod and a cross rod arranged in the middle of the insulating rod, wherein the cross rod is used for hanging a wire clamp of a grounding wire. The utility model discloses a link to each other with 10kV overhead line through the couple, the poor stability that the couple is connected receives wind-force effect or earth connection and receives external force to drag the couple after dragging and break away from with overhead line easily, makes operating personnel take place to electrocute danger easily.
Disclosure of Invention
The invention aims to solve the problems that when the existing 10kV overhead line grounding device is used, the existing 10kV overhead line grounding device is connected with a 10kV overhead line through a hook, the stability of the hook connection is poor, the hook is easy to separate from the overhead line after being subjected to wind power or a grounding wire is pulled by external force, and an operator is easy to generate electric shock danger, and provides a 10kV bus-bar type grounding wire mounting auxiliary tool which can effectively solve the problems.
The purpose of the invention is realized by the following technical scheme: a10 kV busbar type grounding wire mounting auxiliary tool comprises an insulating outer cylinder, a first clamping plate and a second clamping plate, wherein an insulating operating rod capable of moving along the axial direction of the insulating outer cylinder is arranged in the insulating outer cylinder; the first clamping plate is provided with a grounding wire connecting device, and the grounding wire connecting device is connected with a grounding wire.
When the grounding device is used for grounding operation, a 10kV overhead line is placed between the first clamping plate and the second clamping plate, then the insulating operating rod is operated to enable the insulating operating rod to move upwards, the second clamping plate is pushed to move upwards, the first clamping plate and the second clamping plate clamp the 10kV overhead line, and then one end of a grounding wire is connected to the ground. Because the 10kV overhead line is clamped between the first clamping plate and the second clamping plate, compared with the traditional mode of connecting by using a hook, the invention has higher stability when being connected with the 10kV overhead line and is not easy to be separated from the 10kV overhead line. The force amplification device can improve the clamping force of the first clamping plate and the second clamping plate on the 10kV overhead line, the clamping effect is improved, and the connection is more stable. The grounding wire connecting device facilitates the connection and the disassembly between the grounding wire and the first clamping plate.
Preferably, an internal thread sleeve is arranged in the insulating outer barrel, an internal thread hole is formed in the internal thread sleeve, the internal thread hole is formed in the axial direction of the insulating outer barrel, an external thread sleeve is sleeved on the insulating operating rod, an external thread is arranged on the external thread sleeve, and the external thread sleeve is in threaded connection with the internal thread hole. The insulating operating rod can move along the axial direction of the insulating outer barrel by rotating the insulating operating rod.
Preferably, the lower end of the insulated operating rod is provided with a rubber sleeve. The rubber sleeve can improve the comfort when the operator holds the insulating operating rod, and can further improve the insulating properties of the insulating operating rod.
Preferably, the insulated operating rod is made of phenolic plastic.
Preferably, the force amplifying device comprises a cylinder body, a first piston cavity is formed in one end, close to the insulating operating rod, of the cylinder body, a second piston cavity is formed in one end, close to the push rod, of the cylinder body, the first piston cavity is communicated with the second piston cavity, the cross-sectional area of the second piston cavity is larger than that of the first piston cavity, a first piston is arranged in the first piston cavity, a second piston is arranged in the second piston cavity, hydraulic oil is filled between the first piston and the second piston, the upper end of the insulating operating rod is abutted to the first piston, and one end, far away from the second clamping plate, of the push rod is connected with the second piston. The working principle of the force amplifying device is as follows: the insulating operating rod moves upwards to drive the first piston to move upwards, and when the first piston moves upwards, the second piston moves upwards under the action of hydraulic oil so as to push the push rod and the second clamping plate to move upwards; because the cross-sectional area of the second piston cavity is larger than that of the first piston cavity, and the area of the second piston is also larger than that of the first piston, the pressure acting on the second piston is larger than that on the first piston, so that the effect of amplifying the pressure is achieved, the clamping force of the wire clamping mechanism is improved, and the stability of the wire clamping mechanism in connection with a 10kV overhead line is improved.
Preferably, the first clamping plate is L-shaped, a sliding groove is formed in the first clamping plate, a sliding block matched with the sliding groove is arranged on one side of the second clamping plate, and the sliding block is connected in the sliding groove in a sliding mode.
Preferably, the grounding wire connecting device comprises a conductive connecting block, a wire hole is formed in the conductive connecting block, one end of the grounding wire is inserted into the wire hole, a threaded hole is formed in one side of the wire hole, a screw is connected in the threaded hole in a threaded manner, and the front end of the screw is tightly pressed against the grounding wire. Inserting the grounding wire into the wire hole, and then screwing the screw to connect the grounding wire with the first clamping plate; the screw is unscrewed, and then the grounding wire is pulled out of the wire hole, so that the grounding wire can be detached.
Preferably, the first clamping plate is fixed at the upper end of the insulating outer cylinder through a bolt.
Preferably, a first clamping groove is formed in one side, close to the second clamping plate, of the first clamping plate, a second clamping groove corresponding to the first clamping groove is formed in the second clamping plate, and the cross sections of the first clamping groove and the second clamping groove are both semicircular.
The invention has the beneficial effects that: compared with the traditional mode of connecting by using a hook, the invention has higher stability when being connected with the 10kV overhead line and is not easy to separate from the 10kV overhead line.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a schematic structural view of the second splint.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Fig. 4 is an enlarged view of a portion B in fig. 1.
In the figure: 1. insulating urceolus, 2, internal thread sleeve, 3, insulating bar, 4, external thread sleeve, 5, rubber sleeve, 6, push rod, 7, first splint, 8, second splint, 9, spout, 10, first draw-in groove, 11, second draw-in groove, 12, earth connection, 13, slider, 14, bolt, 15, cylinder body, 16, first piston chamber, 17, second piston chamber, 18, first piston, 19, second piston, 20, electrically conductive connecting block, 21, line hole, 22, screw.
Detailed Description
The invention is further described by the following detailed description in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1 to 4, an auxiliary tool for installing a 10kV busbar type ground wire includes an insulating outer cylinder 1, a first clamping plate 7, and a second clamping plate 8. The insulating outer cylinder 1 is cylindrical. The insulating outer cylinder 1 is made of an insulating material. An insulating operating rod 3 which can move along the axial direction of the insulating outer cylinder 1 is arranged in the insulating outer cylinder 1. The insulating operating rod 3 is of a round rod-shaped structure. The insulated operating rod 3 is made of phenolic plastic. The lower end of the insulated operating rod 3 is provided with a rubber sleeve 5. An internal thread sleeve 2 is fixedly arranged in the insulating outer cylinder 1, and an internal thread hole is formed in the internal thread sleeve 2. The internal thread hole is arranged along the axial direction of the insulating outer cylinder 1. The cover is equipped with external screw thread sleeve 4 on insulating bar 3, is provided with the external screw thread on the external screw thread sleeve 4, and 4 threaded connection of external screw thread sleeve are in the internal thread hole.
The upper end of the insulating outer cylinder 1 is provided with a wire clamping mechanism. The wire clamping mechanism comprises a first clamping plate 7 fixed at the upper end of the insulating outer cylinder 1 and a second clamping plate 8 corresponding to the first clamping plate 7. The first clamping plate 7 is fixed on the upper end of the insulating outer cylinder 1 through a bolt 14. The first clamping plate 7 is L-shaped. The first clamping plate 7 is provided with a sliding groove 9, one side of the second clamping plate 8 is provided with a sliding block 13 matched with the sliding groove 9, and the sliding block 13 is connected in the sliding groove 9 in a sliding mode. One side of the first clamping plate 7 close to the second clamping plate 8 is provided with a first clamping groove 10, the second clamping plate 8 is provided with a second clamping groove 11 corresponding to the first clamping groove 10, and the cross sections of the first clamping groove 10 and the second clamping groove 11 are semicircular. One end of the second clamping plate 8 close to the insulating operation rod 3 is provided with a push rod 6. A force amplifying device is arranged between the push rod 6 and the insulating operating rod 3. The force amplification means comprises a cylinder 15. A first piston cavity 16 is arranged at one end of the cylinder body 15 close to the insulating operation rod 3, and a second piston cavity 17 is arranged at one end of the cylinder body 15 close to the push rod 6. The first piston chamber 16 and the second piston chamber 17 communicate. The cross-sectional area of the second piston chamber 17 is larger than the cross-sectional area of the first piston chamber 16. A first piston 18 is disposed in the first piston chamber 16 and a second piston 19 is disposed in the second piston chamber 17. The first piston 18 and the second piston 19 are filled with hydraulic oil therebetween. The upper end of the insulating operating rod 3 abuts against the first piston 18, and the end of the push rod 6 away from the second clamping plate 8 is connected with the second piston 19. The working principle of the force amplifying device is as follows: the insulating operating rod moves upwards to drive the first piston to move upwards, and when the first piston moves upwards, the second piston moves upwards under the action of hydraulic oil so as to push the push rod and the second clamping plate to move upwards; because the cross-sectional area of the second piston cavity is larger than that of the first piston cavity, and the area of the second piston is also larger than that of the first piston, the pressure acting on the second piston is larger than that on the first piston, so that the effect of amplifying the pressure is achieved, the clamping force of the wire clamping mechanism is improved, and the stability of the wire clamping mechanism in connection with a 10kV overhead line is improved.
The first clamping plate 7 is provided with a grounding wire connecting device, and a grounding wire 12 is connected to the grounding wire connecting device. The grounding wire connecting device comprises a conductive connecting block 20, and a wire hole 21 is arranged on the conductive connecting block 20. One end of the grounding wire 12 is inserted into the wire hole 21, a threaded hole is arranged on one side of the wire hole 21, a screw 22 is connected with the threaded hole in a threaded mode, and the front end of the screw 22 is tightly pressed against the grounding wire 12. Inserting the grounding wire into the wire hole, and then screwing the screw to connect the grounding wire with the first clamping plate; the screw is unscrewed, and then the grounding wire is pulled out of the wire hole, so that the grounding wire can be detached.
When the grounding device is used for grounding operation, a 10kV overhead line is placed between the first clamping plate and the second clamping plate, then the insulating operating rod is operated to enable the insulating operating rod to move upwards, the second clamping plate is pushed to move upwards, the first clamping plate and the second clamping plate clamp the 10kV overhead line, and then one end of a grounding wire is connected to the ground. Because the 10kV overhead line is clamped between the first clamping plate and the second clamping plate, compared with the traditional mode of connecting by using a hook, the invention has higher stability when being connected with the 10kV overhead line and is not easy to be separated from the 10kV overhead line. The force amplification device can improve the clamping force of the first clamping plate and the second clamping plate on the 10kV overhead line, the clamping effect is improved, and the connection is more stable. The grounding wire connecting device facilitates the connection and the disassembly between the grounding wire and the first clamping plate.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a appurtenance is installed to female type earth connection of 10kV which characterized in that: the wire clamping mechanism comprises a first clamping plate and a second clamping plate which are fixed at the upper end of the insulating outer barrel, a push rod is arranged at one end, close to the insulating operating rod, of the second clamping plate, and a force amplifying device is arranged between the push rod and the insulating operating rod; the first clamping plate is provided with a grounding wire connecting device, and the grounding wire connecting device is connected with a grounding wire.
2. The auxiliary tool for installing the 10kV busbar type ground wire according to claim 1, wherein an internal threaded sleeve is arranged in the insulating outer cylinder, an internal threaded hole is formed in the internal threaded sleeve, the internal threaded hole is arranged in the axial direction of the insulating outer cylinder, an external threaded sleeve is sleeved on the insulating operating rod, an external thread is formed in the external threaded sleeve, and the external threaded sleeve is in threaded connection with the internal threaded hole.
3. The 10kV busbar type ground wire installation auxiliary tool is characterized in that a rubber sleeve is arranged at the lower end of the insulating operating rod.
4. The 10kV busbar type grounding wire installation auxiliary tool as claimed in claim 1, wherein the insulating operating rod is made of phenolic plastic.
5. The auxiliary tool for installing the 10kV busbar type ground wire according to claim 1, wherein the force amplifying device comprises a cylinder body, a first piston cavity is arranged at one end, close to the insulating operating rod, in the cylinder body, a second piston cavity is arranged at one end, close to the push rod, in the cylinder body, the first piston cavity is communicated with the second piston cavity, the cross-sectional area of the second piston cavity is larger than that of the first piston cavity, a first piston is arranged in the first piston cavity, a second piston is arranged in the second piston cavity, hydraulic oil is filled between the first piston and the second piston, the upper end of the insulating operating rod abuts against the first piston, and one end, far away from the second clamping plate, of the push rod is connected with the second piston.
6. The auxiliary tool for installing the 10kV busbar type ground wire according to claim 1, wherein the first clamping plate is L-shaped, a sliding groove is formed in the first clamping plate, a sliding block matched with the sliding groove is arranged on one side of the second clamping plate, and the sliding block is slidably connected in the sliding groove.
7. The auxiliary tool for installing the 10kV female-row type ground wire according to claim 1, wherein the ground wire connecting device comprises a conductive connecting block, a wire hole is formed in the conductive connecting block, one end of the ground wire is inserted into the wire hole, a threaded hole is formed in one side of the wire hole, a screw is connected to the threaded hole in a threaded manner, and the front end of the screw abuts against the ground wire.
8. The 10kV busbar type ground wire installation auxiliary tool as claimed in claim 1, wherein the first clamping plate is fixed to an upper end of the insulating outer cylinder by a bolt.
9. The 10kV busbar type ground wire installation auxiliary tool is characterized in that a first clamping groove is formed in one side, close to the second clamping plate, of the first clamping plate, a second clamping groove corresponding to the first clamping groove is formed in the second clamping plate, and the cross sections of the first clamping groove and the second clamping groove are semicircular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911282216.0A CN111211428B (en) | 2019-12-13 | 2019-12-13 | Auxiliary tool for mounting 10kV busbar type grounding wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911282216.0A CN111211428B (en) | 2019-12-13 | 2019-12-13 | Auxiliary tool for mounting 10kV busbar type grounding wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111211428A true CN111211428A (en) | 2020-05-29 |
| CN111211428B CN111211428B (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911282216.0A Active CN111211428B (en) | 2019-12-13 | 2019-12-13 | Auxiliary tool for mounting 10kV busbar type grounding wire |
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| Country | Link |
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| CN (1) | CN111211428B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003048A (en) * | 2020-08-31 | 2020-11-27 | 广东电网有限责任公司广州供电局 | Grounding system and grounding wire clamp |
| CN112217076A (en) * | 2020-10-27 | 2021-01-12 | 衡阳华瑞电气有限公司 | Hanging device and hanging method for insulating tube bus grounding wire |
| CN113964599A (en) * | 2021-11-25 | 2022-01-21 | 广东电网有限责任公司 | Pneumatic locking type grounding device |
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| CN1871440A (en) * | 2003-11-25 | 2006-11-29 | 博世力士乐股份有限公司 | Drive mechanism |
| CN202811571U (en) * | 2012-08-30 | 2013-03-20 | 中国地质科学院勘探技术研究所 | Supercharged oil cylinder |
| CN104454682A (en) * | 2014-11-09 | 2015-03-25 | 重庆市上泽机电有限公司 | Clamp drive device of motorcycle brake machine tool |
| CN207069098U (en) * | 2017-08-14 | 2018-03-02 | 国家电网公司 | The raising maintenance person screws the closely electric early warning grounding wire device of type with equipment safety |
| CN108306125A (en) * | 2017-08-30 | 2018-07-20 | 国网河南省电力公司南阳供电公司 | 10kV power circuit Special grounding line bars |
-
2019
- 2019-12-13 CN CN201911282216.0A patent/CN111211428B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1871440A (en) * | 2003-11-25 | 2006-11-29 | 博世力士乐股份有限公司 | Drive mechanism |
| CN202811571U (en) * | 2012-08-30 | 2013-03-20 | 中国地质科学院勘探技术研究所 | Supercharged oil cylinder |
| CN104454682A (en) * | 2014-11-09 | 2015-03-25 | 重庆市上泽机电有限公司 | Clamp drive device of motorcycle brake machine tool |
| CN207069098U (en) * | 2017-08-14 | 2018-03-02 | 国家电网公司 | The raising maintenance person screws the closely electric early warning grounding wire device of type with equipment safety |
| CN108306125A (en) * | 2017-08-30 | 2018-07-20 | 国网河南省电力公司南阳供电公司 | 10kV power circuit Special grounding line bars |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003048A (en) * | 2020-08-31 | 2020-11-27 | 广东电网有限责任公司广州供电局 | Grounding system and grounding wire clamp |
| CN112217076A (en) * | 2020-10-27 | 2021-01-12 | 衡阳华瑞电气有限公司 | Hanging device and hanging method for insulating tube bus grounding wire |
| CN113964599A (en) * | 2021-11-25 | 2022-01-21 | 广东电网有限责任公司 | Pneumatic locking type grounding device |
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| Publication number | Publication date |
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| CN111211428B (en) | 2021-06-08 |
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