CN108767514B - Wire pressing mechanism and electric power grounding pile - Google Patents
Wire pressing mechanism and electric power grounding pile Download PDFInfo
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- CN108767514B CN108767514B CN201811027667.5A CN201811027667A CN108767514B CN 108767514 B CN108767514 B CN 108767514B CN 201811027667 A CN201811027667 A CN 201811027667A CN 108767514 B CN108767514 B CN 108767514B
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- grounding
- clamping plate
- movable part
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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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
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/36—Conductive members located under tip of screw
- H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member
- H01R4/366—Conductive members located under tip of screw with intermediate part between tip and conductive member intermediate part attached to the tip of the screw
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- Electric Cable Installation (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention belongs to the technical field of power equipment, and particularly relates to a wire pressing mechanism and a power grounding pile adopting the wire pressing mechanism. The wire pressing mechanism is designed into a movable structure, and when the grounding wire is installed, the grounding wire is fixedly clamped, so that good electrical connection between the grounding rod and the grounding wire is ensured.
Description
Technical Field
The invention belongs to the technical field of power equipment, and particularly relates to a wire pressing mechanism and a power grounding pile.
Background
Grounding is a path of relatively low impedance provided for current to return to its source, and in particular, provides a low impedance path for fault current to flow back to the power supply in the event of a ground fault in a line or electrical device. The main purpose of grounding is to conduct current to and from the earth or equivalent metal conductors, and it falls into the category of conductive connection, which can be classified into permanent grounding and temporary grounding. Grounding in an electric power system specifically means that a metal part of various electrical devices is reliably connected with a grounding electrode through a grounding wire, and in most cases, a neutral point is connected with the ground. Besides effectively preventing human body from electric shock through grounding, the safety operation of a power system can be ensured, and effective protection is provided for the insulation of circuits and electrical equipment. Therefore, it is important to apply a reasonably feasible grounding technique in the power system.
The patent document of the grant publication No. CN103441431B discloses a temporary grounding device for a distribution box transformer substation, which comprises a wire clamp fixed with a grounding end, wherein the structure of the wire clamp comprises a member I, a member II and a hinge pin, the member I and the member II are hinged together through the hinge pin, a hole matched with the hinge pin on the member II is a long hole, two hinge supporting points are arranged between the member I and the member II, one end of the member I and one end of the member II, which are correspondingly meshed, are jaws, each jaw comprises a plane part suitable for an angle steel type grounding pile and an arc part suitable for a round steel type grounding pile, a tooth-shaped high-conductivity metal layer is arranged at each arc jaw, the other ends of the member I and the member II are handles, and the end parts of the handles are provided with locking positioning devices; the first component on the jaw side is provided with a soft copper wire connecting terminal. The structure has the following disadvantages: rely on the fastener of pincerlike, though improved dismouting efficiency, the operation scene is generally comparatively complicated, personnel pass in and out frequently, and the stability of this structure in the use can not be guaranteed.
Patent document of grant notice No. CN205828692U discloses a detachable temporary grounding pile, including fixed cardboard, the bottom of fixed cardboard is provided with fixed bottom hole, one side of fixed cardboard is provided with first fixed perforation, the top of fixed cardboard is provided with fixed fastener, the top of fixed fastener is provided with the fixed perforation of second, the bottom of fixed fastener is provided with the ground stud, the fixed connection post passes first fixed perforation and the fixed perforation of second, the one end of fixed connection post is provided with the card handle, the other end of fixed connection post is provided with the fixed orifices. The structure has the following disadvantages: need to cooperate the ground flat bar to use, the spare part that earths is more, and there is bad contact risk more.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a wire pressing mechanism and an electric grounding pile, in which the wire pressing mechanism is designed to be a movable structure, and when a grounding wire is installed, the grounding wire is clamped and fixed, so as to ensure good electrical connection between the grounding rod and the grounding wire.
In order to achieve the purpose, the invention adopts the following technical scheme:
the wire pressing mechanism sequentially comprises a fixed part, an elastic component, a movable part, an upper clamping plate and a lower clamping plate from top to bottom, wherein a jackscrew is connected to the fixed part through a thread, two ends of the elastic component are respectively connected with the fixed part and the movable part, the upper clamping plate is fixed to the lower end face of the movable part, and arc-shaped wire grooves are formed in the positions, corresponding to the lower end face of the upper clamping plate and the upper end face of the lower clamping plate.
Furthermore, the elastic component is a plurality of tension springs distributed circumferentially around the center of the fixing part.
Furthermore, a ball bearing is arranged on the upper end face of the movable part, the jackscrew is fixedly connected with an inner ring of the ball bearing, and the movable part is fixedly connected with an outer ring of the ball bearing.
The utility model provides an electric power ground connection stake, includes the earth bar, overlaps establishes fly leaf on the earth bar, fixes the fixed plate on the earth bar, the fly leaf is cross or rice style of calligraphy structure, the upper end of earth bar sets up the polyhedron cavity that holds line ball mechanism, earth bar upper portion sets up the through hole that just is linked together with the polyhedron cavity is perpendicular, fixed part and earth bar fixed connection, the polyhedral structure of movable part for sliding the setting in the polyhedron cavity, threaded connection adjusting screw on the fixed plate, adjusting screw's lower extreme and fly leaf contact are connected.
Further, the lower part of the ground rod is of a conical structure.
Furthermore, a limit groove corresponding to the adjusting screw is arranged on the movable plate.
Furthermore, the limiting groove is provided with a rotating part, and the rotating part comprises a main roller and a plurality of auxiliary rollers uniformly arranged on the outer wall of the main roller along the circumferential direction.
The invention has the beneficial effects that:
1. when installing earth connection and ground connection stake, need consider from security and convenience: the safety is to ensure good contact between the grounding wire and the grounding pile and between the grounding pile and the ground, namely to ensure the electrical connection between the grounding wire, the grounding rod and the ground, the wire pressing mechanism is designed into a movable structure, the fixed part is fixedly connected with the grounding rod, the movable plate slides up and down in a non-rotary manner in a polyhedral cavity of the grounding rod, when the grounding wire is installed, the movable plate is placed in a wire groove of the lower clamping plate, the upper clamping plate moves down to clamp and fix the grounding wire by rotating a jackscrew, so that the good electrical connection between the grounding rod and the grounding wire is ensured, after the use is finished, the jackscrew is reversed to move the upper clamping plate upwards, the movable part drives the upper clamping plate to move upwards under the pulling force of the elastic assembly, the grounding wire is pulled out, and the elastic assembly provides all power for the movable part to move upwards in the process; a ball bearing can be arranged between the movable plate and the jackscrew, an integral structure is arranged between the jackscrew and the movable plate, the jackscrew provides main power for the upward movement of the movable part, and the elastic component is used for assisting.
2. Based on actual requirements, a fixed plate is designed at the upper end of a ground rod, the ground rod is pressed into the ground by a static pressure method or a hammering method, and the phenomenon that the ground rod is inclined due to uneven force application (such as the hammering method) is inevitable in the process; in consideration of convenience, the adjusting screw rod is arranged between the fixed plate and the movable plate, when the grounding pile needs to be pulled out, the adjusting screw rod is rotated by using a wrench, the movable plate and the ground are used as supporting points, and the fixed plate and the grounding rod are jacked up.
3. The invention designs the grounding rod into a conical structure, which is beneficial to the pressing efficiency of the grounding rod.
4. The movable plate can rotate around the ground rod, and the limiting grooves corresponding to the adjusting screws are arranged on the movable plate.
5. The limiting groove is provided with the rotating part, the rotating part comprises the main rolling shaft and the plurality of auxiliary rolling shafts which are uniformly arranged on the outer wall of the main rolling shaft along the circumferential direction, when the structure is used, the main rolling shaft is rotationally arranged in the accommodating groove through the plurality of auxiliary rolling shafts, and when the adjusting screw rod is in contact with the upper end of the main rolling shaft in the rotating process, the rotating efficiency of the adjusting screw rod is improved, and the convenience of the adjusting screw rod is further improved.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment;
FIG. 2 is a schematic structural diagram of a wire pressing mechanism according to an embodiment;
FIG. 3 is a schematic structural diagram of a second movable plate according to an embodiment;
FIG. 4 is a schematic structural diagram of a second rotating member according to an embodiment.
The reference numbers in the figures: the device comprises a grounding rod 1, a movable plate 2, a fixed plate 3, a positive cavity 4, a through hole 5, a fixed part 6, an elastic component 7, a movable part 8, an upper clamping plate 9, a lower clamping plate 10, a jackscrew 11, a ball bearing 12, an arc-shaped wire groove 13, an adjusting screw 14, a limiting groove 15, a primary roller 16 and a secondary roller 17.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example one
As shown in fig. 1, the present invention includes a ground rod 1, a movable plate 2 sleeved on the ground rod 1, a fixed plate 3 fixed on the ground rod 1, and a wire pressing mechanism arranged at the top end of the ground rod 1, wherein the movable plate 2 is in a cross structure;
the lower part of the grounding rod 1 is of a conical structure, the upper end of the grounding rod 1 is provided with a regular cavity 4, the upper part of the grounding rod 1 is provided with a through hole 5 which is vertical to and communicated with the regular cavity 4, as shown in fig. 2, the wire pressing mechanism sequentially comprises a fixed part 6, an elastic component 7, a movable part 8, an upper clamping plate 9 and a lower clamping plate 10 from top to bottom, the fixed part 6 is of a columnar structure and is welded and fixed with the grounding rod 1, the center of the fixed part 6 is connected with a jackscrew 11 in a threaded manner, the elastic component 7 is two tension springs which are circumferentially distributed around the center of the fixed part, two ends of each spring are respectively connected with the fixed part and the movable part, the movable part 8 is of a square structure which is slidably arranged in the regular edge body cavity 4, the upper end face of the movable part 8 is provided with a ball bearing 12, the jackscrew 11 is fixedly connected with the inner ring of the ball bearing 12, the movable part 8 is fixedly connected with the outer ring of the ball bearing 12, the upper clamping plate 9 is fixed on the lower end face of the movable part 8, the lower end face of the upper clamping plate 9 is fixed on the lower end face of the movable part 8, the lower clamping plate 9 and the upper end face of the lower clamping plate 10 is provided with an arc-shaped slot 13, and the lower clamping plate is welded or fixed on the bottom of the regular cavity 4; note that the fixed member 6 and the movable member 8 are of a metal plate-like structure;
the fixed plate 3 is connected with an adjusting screw 14 in a threaded manner, and the movable plate 2 is provided with a limiting groove 15 corresponding to the adjusting screw 14.
When the grounding device is used, firstly, the movable plate 2 is placed on the ground, the grounding rod 1 is sequentially inserted into the movable plate 2 and the ground, and the grounding wire is tightly squeezed by using a wire pressing mechanism after being inserted into the through hole 5; after the use, the adjusting screw 14 is screwed into the threaded hole of the fixing plate 3, and the ground rod 1 and the fixing plate 3 are pulled away from the ground along with the continuous descending of the adjusting screw 14.
It should be noted that after the ground rod 1 is pressed into the ground, the adjusting screw 14 is located in the limiting groove 15.
Example two
The structure of this embodiment is basically the same as that of the first embodiment, except that: as shown in fig. 3 and 4, the stopper groove 15 is provided with a rotating member including a main roller 16 and a plurality of sub rollers 17 uniformly arranged on an outer wall of the main roller 16 in a circumferential direction.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. The electric power grounding pile comprises a wire pressing mechanism, wherein the wire pressing mechanism sequentially comprises a fixed part, an elastic assembly, a movable part, an upper clamping plate and a lower clamping plate from top to bottom, a jackscrew is connected to the fixed part through a thread, two ends of the elastic assembly are respectively connected with the fixed part and the movable part, the upper clamping plate is fixed on the lower end face of the movable part, arc-shaped wire grooves are formed in the positions, corresponding to the lower end face of the upper clamping plate and the upper end face of the lower clamping plate, of the elastic assembly, a plurality of tension springs are circumferentially distributed around the center of the fixed part, a ball bearing is arranged on the upper end face of the movable part, the jackscrew is fixedly connected with an inner ring of the ball bearing, and the movable part is fixedly connected with an outer ring of the ball bearing; the method is characterized in that: still include the earth bar, the cover establish the fly leaf on the earth bar, fix the fixed plate on the earth bar, the upper end of earth bar sets up the polyhedron cavity that holds line ball mechanism, earth bar upper portion sets up the through hole perpendicular and be linked together with the polyhedron cavity, fixed part and earth bar fixed connection, movable part is the polyhedron structure of sliding setting in the polyhedron cavity, threaded connection adjusting screw on the fixed plate, adjusting screw's lower extreme and fly leaf contact are connected.
2. An electric power grounding pile as claimed in claim 1, wherein: the lower part of the ground rod is of a conical structure.
3. An electric power grounding stake as claimed in claim 1, in which: and the movable plate is provided with a limiting groove corresponding to the adjusting screw rod.
4. An electric power grounding pile as claimed in claim 3, wherein: the limiting groove is provided with a rotating part, and the rotating part comprises a main rolling shaft and a plurality of auxiliary rolling shafts which are uniformly arranged on the outer wall of the main rolling shaft along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811027667.5A CN108767514B (en) | 2018-09-04 | 2018-09-04 | Wire pressing mechanism and electric power grounding pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811027667.5A CN108767514B (en) | 2018-09-04 | 2018-09-04 | Wire pressing mechanism and electric power grounding pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108767514A CN108767514A (en) | 2018-11-06 |
| CN108767514B true CN108767514B (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811027667.5A Active CN108767514B (en) | 2018-09-04 | 2018-09-04 | Wire pressing mechanism and electric power grounding pile |
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| Country | Link |
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| CN (1) | CN108767514B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564708B (en) * | 2020-05-08 | 2021-04-02 | 广东电网有限责任公司 | Electric power grounding post for electric power engineering |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8277263B1 (en) * | 2011-06-09 | 2012-10-02 | Bridgeport Fittings, Inc. | Intersystem grounding bridge |
| CN104314943A (en) * | 2014-09-12 | 2015-01-28 | 江苏智方建设工程有限公司 | Improved grounding device |
| CN204651506U (en) * | 2015-06-04 | 2015-09-16 | 宁夏天净元光电力有限公司 | Spiral earth electrode device |
| CN205070117U (en) * | 2015-11-11 | 2016-03-02 | 国网四川蓬溪县供电有限责任公司 | Earthing pole structure |
| CN105428834A (en) * | 2014-08-21 | 2016-03-23 | 国网河南省电力公司漯河供电公司 | Antitheft combined copper clad steel grounding electrode and mounting method thereof |
| CN106848629A (en) * | 2016-12-30 | 2017-06-13 | 国网山东省电力公司青州市供电公司 | A kind of thread earthing pole |
| CN206379484U (en) * | 2017-01-16 | 2017-08-04 | 郑人君 | A kind of earthing pole structure |
| CN206893817U (en) * | 2017-06-21 | 2018-01-16 | 广东电网有限责任公司东莞供电局 | Reinforced grounding rod |
-
2018
- 2018-09-04 CN CN201811027667.5A patent/CN108767514B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8277263B1 (en) * | 2011-06-09 | 2012-10-02 | Bridgeport Fittings, Inc. | Intersystem grounding bridge |
| CN105428834A (en) * | 2014-08-21 | 2016-03-23 | 国网河南省电力公司漯河供电公司 | Antitheft combined copper clad steel grounding electrode and mounting method thereof |
| CN104314943A (en) * | 2014-09-12 | 2015-01-28 | 江苏智方建设工程有限公司 | Improved grounding device |
| CN204651506U (en) * | 2015-06-04 | 2015-09-16 | 宁夏天净元光电力有限公司 | Spiral earth electrode device |
| CN205070117U (en) * | 2015-11-11 | 2016-03-02 | 国网四川蓬溪县供电有限责任公司 | Earthing pole structure |
| CN106848629A (en) * | 2016-12-30 | 2017-06-13 | 国网山东省电力公司青州市供电公司 | A kind of thread earthing pole |
| CN206379484U (en) * | 2017-01-16 | 2017-08-04 | 郑人君 | A kind of earthing pole structure |
| CN206893817U (en) * | 2017-06-21 | 2018-01-16 | 广东电网有限责任公司东莞供电局 | Reinforced grounding rod |
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| CN108767514A (en) | 2018-11-06 |
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