CN109494494A - A kind of grounding head for cable pile crown - Google Patents
A kind of grounding head for cable pile crown Download PDFInfo
- Publication number
- CN109494494A CN109494494A CN201711388403.8A CN201711388403A CN109494494A CN 109494494 A CN109494494 A CN 109494494A CN 201711388403 A CN201711388403 A CN 201711388403A CN 109494494 A CN109494494 A CN 109494494A
- Authority
- CN
- China
- Prior art keywords
- pile crown
- check lock
- lock lever
- linking arm
- lever
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H01R11/01—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 characterised by the form or arrangement of the conductive interconnection between the connecting locations
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- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of grounding heads for cable pile crown comprising earth clip, soft copper connecting line and the cable grounding collet connecting with steel tower；Cable grounding collet includes: upper support arm, linking arm and lower linking arm, and three is surrounded by the frame body of a side opening；Briquetting is set in the frame body, forms grasping part between briquetting and upper support arm, to clamp cable pile crown；Threaded hole is set on the lower linking arm, screws check lock lever in threaded hole；Check lock lever one end, which is protruded into U-shaped frame body, is resisted against the briquetting, is provided with pin on the outer peripheral surface of other end end；The pin end of check lock lever sets lever, and the groove that can be inserted into check lock lever pin end is arranged in lever end, and the U-type groove that can be placed on the pin is arranged in recess sidewall；The open end of the U-type groove is located on the end face of lever end, and groove width is greater than the pin diameter.The stability and reliability that clamping cable pile crown movement greatly improved, significantly enhance whole security performance.
Description
Technical field
The present invention relates to a kind of electric power overhaul tools, more particularly, to a kind of grounding head for cable pile crown.
Background technique
In power grid construction, ground device is led as the grounding apparatus connection the earth of construction line and equipment or construction personnel, is drawn
Stream decompression, plays the role of the maloperation for preventing equipment and neighbouring alive circuit induced electricity is hurted sb.'s feelings, such as entitled " personal safety wire
Public technology shown in wire clamp " (203859439 U of Authorization Notice No. CN).It is good in guarantee that personal security line leads ground device
Should also there are enough flexibilities outside the performances such as electric conductivity, adapt to that construction is facilitated to be grounded under various environment；When practical application, existing
Field carries out needing to open end drainage plate in maintenance and cable testing, existing individual's safety wire connection reliability it is lower and
It is easy to fall off, in terms of being specifically mainly reflected in following two:
1, existing personal security personnel's wire clamp head can not reliably clamp end, be easy to cause personal safety wire obscission from
And staff is made to lose safeguard protection.
2, the use of existing personal safety wire be rope decline form is carried with safety wire on overhead transmission line to hang, and
End can only carry out manually in hanging, and lack insulation protection at existing security personnel's harness clip holding, need using insulating glove and
Insulating tool is hung, thus cause using inconvenience.
Summary of the invention
The main purpose of the present invention is to provide a kind of grounding head for cable pile crown, reliably connecting cable pile crown, no
It is easy to fall off, there is good security performance.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals: one kind is for cable pile crown
Grounding head comprising earth clip, soft copper connecting line and the cable grounding collet being connect with steel tower；Cable grounding collet packet
It includes:
Upper support arm, linking arm and lower linking arm, three are surrounded by the frame body of a side opening；Pressure is set in the frame body
Block forms grasping part between briquetting and upper support arm, to clamp cable pile crown；
Threaded hole is set on the lower linking arm, screws check lock lever in threaded hole；Check lock lever one end is protruded into U-shaped frame body and is supported
It is against the briquetting, is provided with pin on the outer peripheral surface of other end end；
The pin end of check lock lever sets lever, and the groove that can be inserted into check lock lever pin end is arranged in lever end, and recess sidewall is set
Set the U-type groove that can be placed on the pin；The open end of the U-type groove is located on the end face of lever end, and groove width is greater than the pin
Diameter.
Through the above technical solutions, present invention clamping is reliable, and only frame body is locked when cable grounding collet clamping cable pile crown
It is scheduled on cable pile crown, eliminates influence of the lever to sticking department, especially cable pile crown is vertically arranged, when frame body is horizontal, this mode
The gravity for eliminating lever is formed by turning torque to clamping part, prevents frame body from falling off and clamping is caused to be failed, and effectively prevents
Induced electricity is hurted sb.'s feelings caused by being fallen due to grounding head, it is ensured that the safety of staff；Therefore, clamping greatly improved in the present invention
The stability and reliability of cable pile crown movement, effectively eliminate security risk, significantly enhance whole security performance.
In addition, the present invention also have the characteristics that it is easy to operate, be applicable in a variety of application environments.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of the invention.
Attached drawing 2 is enlarged drawing at the A of attached drawing 1.
Attached drawing 3 is enlarged drawing at the A of another structure of attached drawing 1.
Attached drawing 4 is enlarged drawing at the B of attached drawing 3.
Wherein: 1, earth clip；2, screw rod；3, handle；4, soft copper connecting line；5, cable grounding collet；6, briquetting；7, it locks
Bar；8, lever；51, upper support arm；52, linking arm；53, lower support arm；54, card slot；71, pin；81, U-type groove；91, buckle；
92, notch；93, sphere；94, spring；95, pressing plate.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment: a kind of grounding head for cable pile crown of the present invention, as shown in attached drawing 1, attached drawing 2 comprising with steel tower
Earth clip, soft copper connecting line 4 and the cable grounding collet of connection；Cable grounding collet includes: upper support arm 51, linking arm 52
And lower linking arm 53, three are surrounded by the frame body of a side opening；Briquetting 6 is set in the frame body, briquetting 6 and upper support arm 51 it
Between form grasping part, to clamp horizontal or be vertically arranged or tilting cable pile crown；Threaded hole, threaded hole are set on lower linking arm 53
In screw check lock lever 7；7 one end of check lock lever, which is protruded into U-shaped frame body, is resisted against the briquetting 6, is arranged on the outer peripheral surface of other end end
There is pin 71；The pin end of check lock lever 7 sets lever 8, and the groove that can be inserted into 7 pin end of check lock lever, groove side is arranged in 8 end of lever
The U-type groove that can be placed on the pin 71 is arranged in wall；The open end of the U-type groove is located on the end face of 8 end of lever, and groove width is greater than institute
State 71 diameter of pin.
Based on the above-mentioned technical proposal, when cable grounding collet clamping cable pile crown, rotation lever 8 can take off after the completion
Lever 8 is opened, only frame body is locked in cable pile crown, eliminates influence of the lever 8 to sticking department, and especially cable pile crown is vertically arranged, frame
When body and lever horizontal (lever 8 is generally in or tends to horizontality), this mode can eliminate lever 8 and make in self gravity
With it is lower to clamping part be formed by turning torque (lever is longer, lever gravity with respect to clamping part have biggish distance, formed
Turning torque it is larger, once encounter external force such as wind-force or weight touching, will lead to frame body overcome clamping force and from cable pile crown
Fall off), to prevent that frame body from falling off and clamping is caused to be failed, the stability of clamping cable pile crown movement and reliable greatly improved
Property, security risk is effectively eliminated, safety in production is conducive to.
Card slot 54 is arranged in the two sides of linking arm 52, and card slot 5 is strip groove；Indent in the middle part of one end of briquetting 6, the two of recessed portion
Side wall setting protrusion；Linking arm 52 is placed in recessed portion, and the protrusion of recessed portion two sidewalls is inserted into the card slot on linking arm 52 respectively
54 and formed be slidably connected.This structure, the protrusion of recessed portion two sidewalls form symmetrical folder from 52 sandwich of linking arm
Holding force keeps connection structure more stable, and stress is more balanced, not only convenient for briquetting 6 along linking arm 52 slide, but also prevent briquetting 6 deflect and
It influences to clamp cable pile crown, make not vulnerable to cable pile crown holding action.
In practical applications, clamping most stable of better position is smooth shaft part；But attachment is numerous on cable pile crown, for
The smooth shaft segment length of cable grounding collet clamping is limited, such as most 4-5mm；As a preferable selection scheme, upper branch
53 uniform thickness of brace 51, linking arm 52 and lower linking arm, thickness are less than the axial length on cable pile crown for clipping operation；This
Kind uniform thickness structure, is available on shorter cable pile crown shaft part and completes clamping, adapt to more use environments；At this point, can increase
The width in other directions, with intensity needed for providing frame body.
The medial surface that upper support arm 51 participates in clamping cable pile crown is arcwall face or tapered surface.If soft copper connecting line 4 includes
Carried interest annealed copper wire, peripheral hardware transparent sheath.
In aforementioned schemes, briquetting 6 is to form compression clamping movement by turn check lock lever 7, after the completion of holding action,
Lever is detached from, and frame body is locked on cable pile crown, and subsequent locking effect depends on the spiral force of check lock lever；Due to hand-held behaviour
The influence of the uncertainty of work and periphery vibration, the spiral force of check lock lever are in the state that can be failed, and there are holding action mistakes
The possibility of effect, to become security risk.For this purpose, the present invention provides an alternative solutions: such as attached drawing 1, attached
Shown in Fig. 3, attached drawing 4, the threaded hole of check lock lever 7 and lower linking arm 53 is hierarchic structure, wherein the big end and screw thread of check lock lever 7
The small end in hole screws connection；The small end of check lock lever 7 is arranged buckle 91, spring 94 and pressing plate 95, and the setting of 91 inside angle part of buckle lacks
Mouthfuls 92, notch 92 is circumferentially extended along 91 inner hole wall of buckle constitutes annular groove, arranges several spheres 93 along annular groove, sphere 93 against
On the cascaded surface of check lock lever 7；Pressing plate 95 is fixed in the upper support arm 51 of stepped hole big end side.This structure, sphere 92,
The composite structure of buckle 91, spring 94 and pressing plate 95 forms lasting axial force to check lock lever 7, when holding action is completed
Afterwards, it is locked in the formation of check lock lever 7 on more lower linking arm 53, so that frame body be made more securely to be locked in cable pile crown
On, it is effectively prevented the holding action failure of frame body.
In use, earth clip is connect with steel tower, surround by upper support arm 51, linking arm 52 and lower linking arm 53 to just
Cable pile crown is caught in the shaft part for clamping of cable pile crown from the opening of frame body；Thereafter, lever 8 is operated, by the U-type groove of lever 8
End cap enters the pin end of check lock lever 7, and pin is inserted in U-type groove, rotates lever 8, drives check lock lever 7 in the spiral shell of lower linking arm 53
It is rotated in pit, check lock lever 7 descends linking arm 53 to move forward relatively, makes briquetting 6 close to upper support arm 51, until briquetting 6 is by cable stake
Head, which is pressed against in upper support arm 51, forms lock out action, disengages lever 8, completes the clipping operation of cable grounding collet.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (6)
1. a kind of grounding head for cable pile crown, earth clip, soft copper connecting line (4) and cable including connecting with steel tower are connect
Ground collet；It is characterized in that cable grounding collet includes:
Upper support arm (51), linking arm (52) and lower linking arm (53), three are surrounded by the frame body of a side opening；In the frame body
It is arranged briquetting (6), grasping part is formed between briquetting (6) and upper support arm (51), to clamp cable pile crown；
Threaded hole is set on the lower linking arm (53), check lock lever (7) are screwed in threaded hole；U-shaped frame is protruded into check lock lever (7) one end
It is resisted against in body the briquetting (6), pin (71) is provided on the outer peripheral surface of other end end；
The pin end of check lock lever (7) is set lever (8), and the groove that can be inserted into check lock lever (7) pin end is arranged in lever (8) end, recessed
The U-type groove that can be placed on the pin (71) is arranged in groove sidewall；The open end of the U-type groove is located on the end face of lever (8) end, slot
It is wider than the pin (71) diameter.
2. a kind of grounding head for cable pile crown according to claim 1, it is characterised in that: the linking arm (52)
Card slot (54) are arranged in two sides, and card slot (5) is strip groove；The two sidewalls setting of indent in the middle part of one end of briquetting (6), recessed portion is convex
It rises；The linking arm (52) is placed in recessed portion, and the protrusion of recessed portion two sidewalls is inserted into the card slot on linking arm (52) respectively
(54) and formation is slidably connected.
3. a kind of grounding head for cable pile crown according to claim 1, it is characterised in that: the upper support arm
(51), linking arm (52) and lower linking arm (53) uniform thickness, thickness are less than the axial length on cable pile crown for clipping operation.
4. a kind of grounding head for cable pile crown according to claim 1, it is characterised in that: the soft copper connecting line
(4) if including carried interest annealed copper wire, peripheral hardware transparent sheath.
5. a kind of grounding head for cable pile crown according to claim 1, it is characterised in that: the upper support arm (51)
The medial surface for participating in clamping cable pile crown is arcwall face or tapered surface.
6. a kind of grounding head for cable pile crown described according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that: described
The threaded hole of check lock lever (7) and the lower linking arm (53) is hierarchic structure, wherein the big end of check lock lever (7) and threaded hole
Small end screws connection；The small end of check lock lever (7) is arranged buckle (91), spring (94) and pressing plate (95), buckle (91) inside angle part
It is arranged notch (92), notch (92) is circumferentially extended along buckle (91) inner hole wall constitutes annular groove, arranges several spheres in annular groove
(93), sphere (93) is resisted against on the cascaded surface of check lock lever (7)；Pressing plate (95) is fixed on the upper support arm of stepped hole big end side
(51) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388403.8A CN109494494A (en) | 2017-12-20 | 2017-12-20 | A kind of grounding head for cable pile crown |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388403.8A CN109494494A (en) | 2017-12-20 | 2017-12-20 | A kind of grounding head for cable pile crown |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109494494A true CN109494494A (en) | 2019-03-19 |
Family
ID=65689118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711388403.8A Pending CN109494494A (en) | 2017-12-20 | 2017-12-20 | A kind of grounding head for cable pile crown |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109494494A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416758A (en) * | 2019-08-21 | 2019-11-05 | 中国能源建设集团广东火电工程有限公司 | A kind of ground wire clamping structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282208Y (en) * | 2008-10-24 | 2009-07-29 | 李彬 | Detachable grounding rod |
| CN201838739U (en) * | 2010-09-19 | 2011-05-18 | 江苏省电力公司高邮市供电公司 | Portable maintenance grounding wire device |
| CN203277686U (en) * | 2013-06-03 | 2013-11-06 | 国家电网公司 | Detachable type ground wire pile head |
| CN203326127U (en) * | 2013-06-28 | 2013-12-04 | 国家电网公司 | Spacing-adjustable ground wire clamp |
| CN203774485U (en) * | 2014-01-28 | 2014-08-13 | 国家电网公司 | Falloff preventive grounding wire clamp |
| CN104638397A (en) * | 2015-03-06 | 2015-05-20 | 国家电网公司 | Grounding device of insulated overhead ground wire |
| CN204558685U (en) * | 2015-04-30 | 2015-08-12 | 珠海许继电气有限公司 | A kind of embedded-type electric cable connector fast |
-
2017
- 2017-12-20 CN CN201711388403.8A patent/CN109494494A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282208Y (en) * | 2008-10-24 | 2009-07-29 | 李彬 | Detachable grounding rod |
| CN201838739U (en) * | 2010-09-19 | 2011-05-18 | 江苏省电力公司高邮市供电公司 | Portable maintenance grounding wire device |
| CN203277686U (en) * | 2013-06-03 | 2013-11-06 | 国家电网公司 | Detachable type ground wire pile head |
| CN203326127U (en) * | 2013-06-28 | 2013-12-04 | 国家电网公司 | Spacing-adjustable ground wire clamp |
| CN203774485U (en) * | 2014-01-28 | 2014-08-13 | 国家电网公司 | Falloff preventive grounding wire clamp |
| CN104638397A (en) * | 2015-03-06 | 2015-05-20 | 国家电网公司 | Grounding device of insulated overhead ground wire |
| CN204558685U (en) * | 2015-04-30 | 2015-08-12 | 珠海许继电气有限公司 | A kind of embedded-type electric cable connector fast |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416758A (en) * | 2019-08-21 | 2019-11-05 | 中国能源建设集团广东火电工程有限公司 | A kind of ground wire clamping structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190319 |