CN114050427B - Grounding rod capable of being locked rapidly - Google Patents
Grounding rod capable of being locked rapidly Download PDFInfo
- Publication number
- CN114050427B CN114050427B CN202111478156.7A CN202111478156A CN114050427B CN 114050427 B CN114050427 B CN 114050427B CN 202111478156 A CN202111478156 A CN 202111478156A CN 114050427 B CN114050427 B CN 114050427B
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- China
- Prior art keywords
- rod
- locking
- sliding
- clamping head
- threaded
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Classifications
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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
- H01R11/15—Hook in the form of a screw clamp
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Manufacturing Of Electrical Connectors (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to the technical field of auxiliary tools of power equipment and discloses a grounding rod capable of being locked quickly, which comprises an insulating rod, a clamping head and a grounding wire connected with the clamping head, wherein the clamping head comprises an upper clamping head, a lower clamping head and a sliding rail, the sliding rail is fixedly connected with the top of the insulating rod, the upper clamping head is fixed on the top of the sliding rail, one end of the lower clamping head is connected with the sliding rail in a sliding manner, a through hole is formed in the insulating rod, a sliding rod is installed in the through hole and is connected with the through hole in a sliding manner, a threaded hole is formed in the center of the sliding rod, a threaded rod is connected in the threaded hole in a threaded manner, two ends of the threaded rod extend to the outer side of the insulating rod, the top of the threaded rod is abutted to the bottom of the lower clamping head, and a unidirectional locking assembly for fixing the sliding rod is arranged in the insulating rod.
Description
Technical Field
The invention relates to a grounding rod, in particular to a grounding rod capable of being locked quickly.
Background
The grounding rod is an auxiliary tool which is frequently needed in the electric power construction process, and the electric shock hazard of operators can be greatly reduced by the application of the grounding rod. After the power failure and the electricity inspection are carried out on the cable, and no electricity is confirmed, the grounding rod is hung on the cable, in order to prevent the grounding rod from falling off in the hanging process, the clamping heads at the top of the grounding rod are required to be meshed on the cable, the traditional grounding rod is required to manually rotate the knob at the bottom of the insulating rod so as to adjust the interval between the clamping heads, the rotation time is long, the hand fatigue of an operator is easy to cause, and the wrist of the operator is easy to be damaged over time; if the power equipment is installed to drive the rotary knob instead of manual operation, the cost and the weight are increased, and if the cable is suddenly powered on, the power equipment can be damaged.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide the grounding rod capable of being locked quickly, so that the cable can be locked quickly, the clamping effect on the cable is improved, and the wrist of an operator can be protected well.
The technical scheme of the invention is realized as follows:
the invention provides a grounding rod capable of being locked quickly, which comprises an insulating rod, a clamping head and a grounding wire connected with the clamping head, wherein the clamping head comprises an upper clamping head, a lower clamping head and a sliding rail, the sliding rail is fixedly connected with the top of the insulating rod, the upper clamping head is fixed on the top of the sliding rail, one end of the lower clamping head is in sliding connection with the sliding rail, a through hole is formed in the insulating rod, a sliding rod is arranged in the through hole and is in sliding connection with the through hole, a threaded hole is formed in the center of the sliding rod, a threaded rod is connected in the threaded hole in a threaded manner, two ends of the threaded rod extend to the outer side of the insulating rod, the top of the threaded rod is in butt joint with the bottom of the lower clamping head, and a unidirectional locking assembly for fixing the sliding rod is arranged in the insulating rod.
Preferably, the unidirectional locking assembly comprises a gear, a rack and a locking mechanism, wherein the rack is arranged on one side of the sliding rod, the gear is arranged on one side of the rack and is meshed with the rack, the locking piece is arranged on one side of the gear, and the gear is abutted with the locking mechanism.
Preferably, the locking mechanism comprises a locking rod, a first spring and an adjusting cam, wherein the locking rod is located above the gear, one end of the locking rod is movably hinged to the inner wall of the insulating rod, the other end of the locking rod is meshed with teeth of the gear, the outer side of the locking rod is connected with the inner wall of the insulating rod through the first spring, the adjusting cam is installed on the inner side of the locking rod, the adjusting cam is in butt joint with the inner side of the locking rod, an adjusting knob is installed on the outer surface of the locking rod, and the adjusting knob is coaxially connected with the adjusting cam through a connecting shaft.
Preferably, vertical guide arms are arranged on two sides of the outer wall of the sliding rod, and guide grooves matched with the guide arms are formed in the outer sides of the through holes.
Preferably, a plum blossom knob is arranged at the bottom of the threaded rod.
Preferably, the top surface of the lower chuck is provided with a groove, a lug capable of sliding outwards is arranged in the groove, guide rods are further arranged on two sides of the groove, two sides of the lug are respectively sleeved on the guide rods, the lug is in sliding connection with the guide rods, a second spring is further sleeved on the guide rods, and the bottom of the lug is connected with the bottom of the groove through the second spring.
Preferably, a limiting ring for preventing the sliding rod from falling off is arranged at the bottom of the insulating rod, and the lower part of the threaded rod penetrates through the limiting ring to be communicated with the outside.
Preferably, a fluorescent mark for displaying the current direction of the adjusting knob is arranged on the outer wall of the insulating rod, and an indication arrow is carved on the surface of the adjusting knob.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a quick-locking grounding rod, which drives a sliding rod and a lower chuck to synchronously move upwards by pushing a threaded rod upwards until a cable is clamped by the lower chuck and an upper chuck, so that the cable is lifted once, a one-way locking assembly prevents the sliding rod from sliding downwards, then the threaded rod is rotated to drive the lower chuck to lift for the second time, the cable is further clamped, the clamping effect of the upper chuck and the lower chuck on the cable is improved, the number of turns and the time for an operator to rotate the threaded rod are reduced, and the quick-locking cable is realized, and meanwhile, the wrist of the operator is well protected.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a partial enlarged view at B in FIG. 3;
FIG. 5 is a schematic view of the internal structure of the unidirectional locking assembly of the present invention when the slide bar is free to fall;
FIG. 6 is a cross-sectional view taken at a-a of FIG. 3;
fig. 7 is a schematic view of the internal structure of the lower chuck in the present invention.
In the figure, an insulating rod 1, a grounding wire 2, an upper clamping head 3, a lower clamping head 4, a sliding rail 5, a sliding rail 6, a threaded rod 7, a gear 8, a rack 9, a locking rod 10, a first spring 11, an adjusting cam 12, an adjusting knob 13, a guide arm 14, a quincuncial knob 15, a groove 16, a convex block 17, a guide rod 18, a second spring 19, a limiting ring 20, a fluorescent mark 21 and an arrow 22 are indicated.
Detailed Description
For a better understanding of the technical content of the present invention, specific examples are provided below and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 7, the invention provides a fast locking grounding rod, which comprises an insulating rod 1, a clamping head and a grounding wire 2 connected with the clamping head, wherein the clamping head comprises an upper clamping head 3, a lower clamping head 4 and a sliding rail 5, the sliding rail 5 is fixedly connected with the top of the insulating rod 1, the upper clamping head 3 is fixed on the top of the sliding rail 5, one end of the lower clamping head 4 is slidably connected with the sliding rail 5, the lower clamping head 4 is positioned between the upper clamping head 3 and the insulating rod 1, a through hole is formed in the insulating rod 1, a sliding rod 6 is installed in the through hole, the sliding rod 6 is slidably connected with the through hole, a threaded hole is formed in the center of the sliding rod 6, a threaded rod 7 is connected with the threaded hole in a threaded manner, the length of the threaded rod 7 is larger than the lengths of the insulating rod 1 and the sliding rod 6, two ends of the threaded rod 7 extend to the outer side of the insulating rod 1, the top of the threaded rod 7 is abutted against the bottom of the lower clamping head 4, and a unidirectional locking component for fixing the sliding rod 6 is arranged in the insulating rod 1.
When the cable is grounded by the grounding rod, the cable is placed between the upper clamping head 3 and the lower clamping head 4 by moving the grounding rod, the insulating rod 1 can be held by one hand, the threaded rod 7 positioned at the bottom of the insulating rod 1 is held by the other hand, the threaded rod 7 is pushed upwards, the sliding rod 6 and the lower clamping head 4 can be driven to synchronously move upwards until the cable is clamped by the lower clamping head 4 and the upper clamping head 3, the one-way locking assembly is used for locking the sliding rod 6 once, the sliding rod 6 is prevented from sliding downwards, the threaded rod 7 is rotated again at the moment, the threaded rod 7 moves upwards along the sliding rod 6 to drive the lower clamping head 4 to rise for the second time, the cable is further clamped, and the clamping effect of the upper clamping head 3 and the lower clamping head 4 on the cable is greatly improved. This device drives slide bar 6 through upwards pushing threaded rod 7 and can accomplish the stage of rising of chuck 4 once fast, and the secondary stage of rising of chuck 4 is accomplished to the rethread rotation threaded rod 7 down afterwards, and the number of turns and the time of greatly reduced operating personnel rotatory threaded rod 7 play fast locking cable, have played fine guard action to operating personnel's wrist.
The unidirectional locking assembly comprises a gear 8, a rack 9 and a locking mechanism, wherein the rack 9 is arranged on one side of the sliding rod 6, the gear 8 is arranged on one side of the rack 9 through a rotating shaft and is meshed with the rack 9, a locking piece is arranged on one side of the gear 8, and the gear 8 is in butt joint with the locking mechanism.
The locking mechanism comprises a locking rod 10, a first spring 11 and an adjusting cam 12, wherein the locking rod 10 is located above the gear 8, one end of the locking rod 10 is movably hinged to the inner wall of the insulating rod 1, the other end of the locking rod 10 is meshed with teeth of the gear 8, the outer side of the locking rod 10 is connected with the inner wall of the insulating rod 1 through the first spring 11, the adjusting cam 12 is installed on the inner side of the locking rod 10, the adjusting cam 12 is abutted to the inner side of the locking rod 10, an adjusting knob 13 is installed on the outer surface of the locking rod 10, and the adjusting knob 13 is coaxially connected with the adjusting cam 12 through a connecting shaft.
The convex part of the adjusting cam 12 is rotated to one side far away from the locking rod 10 by rotating the adjusting knob 13, the tail part of the adjusting cam 12 is abutted against the inner side of the locking rod 10, the threaded rod 7 is pushed to drive the sliding rod 6 to move upwards, the gear 8 is driven by the rack 9 to rotate anticlockwise, the locking rod 10 is exerted with leftward force on the locking rod 10 in the rotating process, the locking rod 10 swings leftwards, and is reset to swing rightwards under the action of the first spring 11 after the locking rod 10 is separated from one tooth and is meshed with the next tooth again, so that the lifting of the sliding rod 6 is not influenced, when the sliding rod 6 completes one lifting stage, only falls after external force is lost, the rack 9 drives the gear 8 to rotate clockwise at the moment, the gear 8 applies rightward force on the locking rod 10, the locking rod 10 has rightward swinging trend, and the right side cannot swing rightwards due to the limitation of the adjusting cam 12, so that the sliding rod 6 is prevented from sliding downwards; when the grounding rod needs to be taken down from the cable, the lower clamping head 4 is retracted for a certain distance by the rotatable threaded rod 7, then the convex part of the adjusting cam 12 is rotated to be in contact with the inner side of the locking rod 10 by rotating the adjusting knob 13, at the moment, the adjusting cam 12 pushes the locking rod 10 to swing leftwards to the upper left of the gear 8, the locking rod is separated from contact with the gear 8, the limit of the locking rod 10 is lost, the sliding rod 6 can slide downwards freely, and at the moment, the grounding rod can be taken down from the cable.
Vertical guide arms 14 are arranged on two sides of the outer wall of the sliding rod 6, and guide grooves matched with the guide arms 14 are formed in the outer sides of the through holes. The guide groove and the guide arm 14 ensure that the sliding rod 6 does not rotate in the process of sliding up and down, and the rack 9 is prevented from being separated from the gear 8.
The bottom of the threaded rod 7 is provided with a plum blossom knob 15, and the relatively large friction force is improved through the plum blossom knob 15 so as to facilitate rotating the threaded rod 7.
The top surface of the lower chuck 4 is provided with a groove 16, protruding blocks 17 capable of sliding outwards are arranged in the groove 16, guide rods 18 are further arranged on two sides of the groove 16, two sides of each protruding block 17 are respectively sleeved on the corresponding guide rods 18, the protruding blocks 17 are in sliding connection with the corresponding guide rods 18, second springs 19 are further sleeved on the corresponding guide rods 18, and the bottoms of the protruding blocks 17 are connected with the bottoms of the grooves 16 through the second springs 19. The cable is clamped by the lug 17 and the upper clamping head 3 in the secondary rising stage until the lug 17 is pressed to the bottom of the groove 16, and the lug 17 can always cause extrusion action on the cable through the elastic action of the second spring 19, so that even if the cable and the clamping head are loosened in the clamping process, the lug 17 can still be meshed with the cable.
The bottom of the insulating rod 1 is provided with a limiting ring 20 for preventing the sliding rod 6 from falling off, and the lower part of the threaded rod 7 passes through the limiting ring 20 and is communicated with the outside.
The outer wall of the insulating rod 1 is provided with a fluorescent mark 21 for displaying the current direction of the adjusting knob 13, the surface of the adjusting knob 13 is marked with an indication arrow 22, the outer wall of the insulating rod 1 is marked with words such as on and off by the fluorescent mark 21, and when the indication arrow 22 of the adjusting knob 13 points to off, the unidirectional locking component prevents the sliding rod 6 from sliding downwards; when the indication arrow 22 of the adjusting knob 13 points to "on", the slide bar 6 can freely fall, and the fluorescent mark 21 can be clearly seen even when the light is poor at night, etc., so that misoperation is prevented.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
1. The grounding rod capable of being locked rapidly comprises an insulating rod, a clamping head and a grounding wire connected with the clamping head, and is characterized in that the clamping head comprises an upper clamping head, a lower clamping head and a sliding rail, the sliding rail is fixedly connected with the top of the insulating rod, the upper clamping head is fixed at the top of the sliding rail, one end of the lower clamping head is in sliding connection with the sliding rail, a through hole is formed in the insulating rod, a sliding rod is mounted in the through hole and is in sliding connection with the through hole, a threaded hole is formed in the center of the sliding rod, a threaded rod is connected in the threaded hole in a threaded manner, two ends of the threaded rod extend to the outer side of the insulating rod, the top of the threaded rod is in butt joint with the bottom of the lower clamping head, a unidirectional locking assembly for fixing the sliding rod is arranged in the insulating rod, the unidirectional locking component comprises a gear, a rack and a locking mechanism, wherein the rack is arranged on one side of the sliding rod, the gear is arranged on one side of the rack and is meshed with the rack, the locking mechanism is arranged on one side of the gear, the gear is abutted with the locking mechanism, the locking mechanism comprises a locking rod, a first spring and an adjusting cam, the locking rod is positioned above the gear, one end of the locking rod is movably hinged with the inner wall of the insulating rod, the other end of the locking rod is meshed with the teeth of the gear, the outer side of the locking rod is connected with the inner wall of the insulating rod through the first spring, the adjusting cam is arranged on the inner side of the locking rod, the adjusting cam is abutted with the inner side of the locking rod, the outer surface of the locking rod is provided with an adjusting knob, the adjusting knob is coaxially connected with the adjusting cam through a connecting shaft.
2. The quick locking grounding rod according to claim 1, wherein vertical guide arms are arranged on two sides of the outer wall of the sliding rod, and guide grooves matched with the guide arms are formed in the outer sides of the through holes.
3. The quick lockable grounding bar of claim 1, wherein the threaded rod has a quincuncial knob at the bottom.
4. The quick locking grounding rod according to claim 1, wherein the top surface of the lower chuck is provided with a groove, a protruding block capable of sliding outwards is arranged in the groove, guide rods are further arranged on two sides of the groove, two sides of the protruding block are respectively sleeved on the guide rods, the protruding block is in sliding connection with the guide rods, a second spring is further sleeved on the guide rods, and the bottom of the protruding block is connected with the bottom of the groove through the second spring.
5. The quick locking grounding rod according to claim 1, wherein a limiting ring for preventing the sliding rod from falling off is arranged at the bottom of the insulating rod, and the lower part of the threaded rod penetrates through the limiting ring and is communicated with the outside.
6. The quick locking grounding rod according to claim 1, wherein a fluorescent mark for displaying the current direction of the adjusting knob is arranged on the outer wall of the insulating rod, and an indication arrow is marked on the surface of the adjusting knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111478156.7A CN114050427B (en) | 2021-12-06 | 2021-12-06 | Grounding rod capable of being locked rapidly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111478156.7A CN114050427B (en) | 2021-12-06 | 2021-12-06 | Grounding rod capable of being locked rapidly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114050427A CN114050427A (en) | 2022-02-15 |
| CN114050427B true CN114050427B (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111478156.7A Active CN114050427B (en) | 2021-12-06 | 2021-12-06 | Grounding rod capable of being locked rapidly |
Country Status (1)
| Country | Link |
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| CN (1) | CN114050427B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115513857B (en) * | 2022-09-26 | 2023-07-11 | 三峡大学 | Anti-slip fastening device for vertically arranged cables |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008270108A (en) * | 2007-04-24 | 2008-11-06 | Sumitomo Electric Ind Ltd | Coaxial flat cable, and manufacturing method thereof |
| JP2012115026A (en) * | 2010-11-24 | 2012-06-14 | Chugoku Electric Power Co Inc:The | Implement for work |
| CN202759042U (en) * | 2012-08-31 | 2013-02-27 | 陈守军 | Automatic push-pull type ground rod |
| CN207381554U (en) * | 2017-10-21 | 2018-05-18 | 南京聚联输变电安装有限责任公司 | A kind of drop bar |
| CN209786228U (en) * | 2019-04-23 | 2019-12-13 | 广东电网有限责任公司 | split-phase type right-angle grounding wire with telescopic operating rod |
| CN111541066A (en) * | 2020-04-27 | 2020-08-14 | 国网河北省电力有限公司保定供电分公司 | Scalable portable multi-functional earth connection |
| CN214313582U (en) * | 2020-12-22 | 2021-09-28 | 河北信得利电器设备有限公司 | Flat spiral clamping type ground rod |
| CN214378894U (en) * | 2021-04-07 | 2021-10-08 | 国网山西省电力公司检修分公司 | Extra-high voltage substation grounding wire safety control locking device |
| CN113594793A (en) * | 2021-07-21 | 2021-11-02 | 海南电网有限责任公司琼中供电局 | Electric locking ground rod |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409273B (en) * | 2014-10-29 | 2016-07-06 | 浙江道笃智能开关有限公司 | Pole type High-Voltage Electrical Appliances cubicle switch |
-
2021
- 2021-12-06 CN CN202111478156.7A patent/CN114050427B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008270108A (en) * | 2007-04-24 | 2008-11-06 | Sumitomo Electric Ind Ltd | Coaxial flat cable, and manufacturing method thereof |
| JP2012115026A (en) * | 2010-11-24 | 2012-06-14 | Chugoku Electric Power Co Inc:The | Implement for work |
| CN202759042U (en) * | 2012-08-31 | 2013-02-27 | 陈守军 | Automatic push-pull type ground rod |
| CN207381554U (en) * | 2017-10-21 | 2018-05-18 | 南京聚联输变电安装有限责任公司 | A kind of drop bar |
| CN209786228U (en) * | 2019-04-23 | 2019-12-13 | 广东电网有限责任公司 | split-phase type right-angle grounding wire with telescopic operating rod |
| CN111541066A (en) * | 2020-04-27 | 2020-08-14 | 国网河北省电力有限公司保定供电分公司 | Scalable portable multi-functional earth connection |
| CN214313582U (en) * | 2020-12-22 | 2021-09-28 | 河北信得利电器设备有限公司 | Flat spiral clamping type ground rod |
| CN214378894U (en) * | 2021-04-07 | 2021-10-08 | 国网山西省电力公司检修分公司 | Extra-high voltage substation grounding wire safety control locking device |
| CN113594793A (en) * | 2021-07-21 | 2021-11-02 | 海南电网有限责任公司琼中供电局 | Electric locking ground rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114050427A (en) | 2022-02-15 |
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