CN209981482U - Self-locking type grounding wire clamp - Google Patents
Self-locking type grounding wire clamp Download PDFInfo
- Publication number
- CN209981482U CN209981482U CN201920961462.8U CN201920961462U CN209981482U CN 209981482 U CN209981482 U CN 209981482U CN 201920961462 U CN201920961462 U CN 201920961462U CN 209981482 U CN209981482 U CN 209981482U
- Authority
- CN
- China
- Prior art keywords
- base
- clamp
- screw rod
- clamping jaw
- anchor clamps
- 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.)
- Active
Links
Images
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model discloses a from locking-type earth clamp, contain outer anchor clamps and interior anchor clamps, outer anchor clamps contain outer clamping jaw, the base and the linking arm of connecting outer clamping jaw and base, interior anchor clamps set up between outer clamping jaw and the base of outer anchor clamps, and one end and linking arm cooperation of sliding, be connected with the screw rod on the base, through-hole one has been seted up at the middle part of base, wear to be equipped with the screw rod axle sleeve in through-hole one, wear to establish in through-hole one in the upper end of screw rod axle sleeve, the lower extreme of screw rod axle sleeve is connected and is fixed with rotatory handle, the screw rod is worn to establish in the screw rod axle sleeve, and with screw rod axle sleeve screw-thread fit, epaxial ratchet at the screw rod, be equipped with the thorn on one side of the ratchet, the thorn passes through the reference column and is rotated with the base and is connected, and thorn one end still is connected with the ratchet meshing, the other. The utility model discloses can prevent that the fastener from lax, guarantee the ground connection that the wire can be better for live working is safer.
Description
Technical Field
The utility model relates to an electric power overhauls equipment field, concretely relates to from locking-type earth clamp.
Background
With the rapid development of power transmission and transformation in China, the construction process is more and more standardized, scientific and technical, the used equipment is more and more advanced, the continuous development of the power technology leads to the continuous improvement of the requirements of the society on the power supply safety and stability, and the safe operation is more and more important for each power enterprise.
In an electric power system, a grounding wire is an important tool for leading current to the ground to ensure the safety of workers when voltage unexpectedly appears on a power-off device and a power line or when a power distribution network does not stop working, and the installation of the grounding wire is an important electrical safety technical measure and also a very important electric power overhaul working link. In original earth clamp, the earth clamp is after locking wire ground connection, because the influence of rocking or other environmental factors of wire can lead to the earth clamp screw rod to slide, and then makes the fastener lax, and serious or even lead to the fastener to drop, and the unable better ground connection of wire this moment makes live working be full of danger.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide a self-locking type grounding wire clamp, which is used for solving the problem that a screw rod of the grounding wire clamp slides due to the shaking of a lead or the influence of other environmental factors in the background technology.
In order to achieve the purpose, the technical scheme adopted by the invention or the utility model is as follows: a self-locking grounding wire clamp comprises an outer clamp and an inner clamp, wherein the outer clamp comprises an outer clamping jaw, a base and a connecting arm for connecting the outer clamping jaw and the base, the inner clamp is arranged between the outer clamping jaw and the base of the outer clamp, one end of the inner clamp is in sliding fit with the connecting arm, the other end of the inner clamp is flush with one end, far away from the connecting arm, of the outer clamping jaw, one side, facing the base, of the inner clamp is connected with a screw, the middle of the base is provided with a first through hole, a screw shaft sleeve is arranged in the first through hole in a penetrating mode, the upper end of the screw shaft sleeve is arranged in the first through hole in a penetrating mode, the lower end of the screw shaft sleeve is fixedly connected with a rotating handle, the screw is arranged in the screw shaft sleeve in a penetrating mode and is in threaded fit with the screw shaft sleeve, a ratchet wheel is further sleeved at the position, the thorn is rotatably connected with the base through the positioning column, one end of the thorn is meshed with the ratchet wheel, the other end of the thorn is connected with the tension spring, one end of the tension spring is fixedly connected with the thorn, and the other end of the tension spring is fixedly connected with the base.
On the basis of the scheme, one side of the connecting arm, which is close to the inner clamp, is provided with a first convex strip, one side of the inner clamp, which is close to the connecting arm, is provided with a first groove, and the inner clamp is matched with the first convex strip, which is arranged on the connecting arm, in a sliding manner through the first groove which is arranged on the inner clamp.
On the basis of the scheme, an ear plate is arranged on one side, away from the inner clamp, of the connecting arm.
On the basis of the scheme, an arc-shaped groove is formed in one side, facing the inner clamp, of the outer clamping jaw, and sawtooth stripes are arranged on the surface of the groove wall of the arc-shaped groove.
On the basis of the scheme, the thorn is also provided with a positioning bead, one part of the positioning bead is embedded in the thorn, and the other part of the positioning bead is exposed outside the thorn and is matched and corresponding to the second groove formed in the lower surface of the base.
The utility model provides a from locking-type earth clamp's theory of operation does: in the use, when the interior anchor clamps of needs decline, pull out the thorn this moment and slide the location pearl into in recess two, the thorn front end no longer contradicts on the gear of ratchet, anticlockwise rotation handle, interior anchor clamps descend, put into the wire back between interior anchor clamps and the outer clamping jaw, clockwise rotation handle, press from both sides tight back when interior anchor clamps and outer clamping jaw wire, slightly stir the thorn downwards, dial out the location pearl on the thorn from recess two, the thorn is under the effect of extension spring pull at this moment, the front end is contradicted again on the gear of ratchet, prevent that rotation handle from rotating.
Compared with the prior art, utility model's advantage and beneficial effect are:
after a traditional grounding wire clamp clamps a wire, because of the shaking of the wire or the influence of other environmental factors, a screw rod of the grounding wire clamp can slide, so that the wire clamp is loosened, the wire clamp is seriously or even caused to fall off, and the wire can not be grounded better at the moment, so that the hot-line work is full of danger; and meanwhile, the operation personnel can work under the condition that the high-voltage overhead line is not powered off, and the economic loss caused by the power failure of the main trunk line is avoided.
Drawings
Fig. 1 is a front view of a self-locking ground clip in an embodiment of the present invention;
fig. 2 is a schematic perspective view of the self-locking ground clip in fig. 1;
FIG. 3 is a schematic view of the structure of the spine of FIG. 2;
FIG. 4 is a schematic view of the structure of the positioning bead of FIG. 3;
FIG. 5 is a schematic structural diagram of a second groove in the embodiment;
in the figure: 1-support frame, 101-external clamping jaw, 102-fixed base, 103-support arm, 104-ear plate, 105-convex strip I, 106-arc groove, 107-groove II, 2-rotating handle, 3-screw shaft sleeve, 4-ratchet wheel, 5-thorn, 501-positioning column, 502-positioning bead, 6-screw, 7-internal clamp and 701-groove I, 8-tension spring.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the following description further explains how the invention is implemented by combining the attached drawings and the detailed implementation modes.
Referring to fig. 1 to 5, in the present embodiment, a self-locking ground clip comprises an outer clip 1 and an inner clip 7, the outer clip 1 comprises an outer clamping jaw 101, a base 102 and a connecting arm 103 connecting the outer clamping jaw 101 and the base 102, the inner clip 7 is disposed between the outer clamping jaw 101 and the base 102 of the outer clip 1, one end of the inner clip is slidably fitted with the connecting arm 103, the other end of the inner clip is flush with the end of the outer clamping jaw 101 away from the connecting arm 103, a screw 6 is connected to one side of the inner clip 7 facing the base 102, a first through hole is formed in the middle of the base 102, a screw bushing 3 is disposed in the first through hole, the upper end of the screw bushing 3 is disposed in the first through hole, the lower end of the screw bushing 3 is fixedly connected with a rotating handle 2, the screw 6 is disposed in the screw bushing 3 and is in threaded engagement with the screw bushing 3, a ratchet 4 is further sleeved at a position of the screw bushing 3 close to, the thorn 5 is rotatably connected with the base 102 through the positioning column 501, one end of the thorn 5 is also meshed with the ratchet wheel 4, the other end of the thorn is connected with the tension spring 8, one end of the tension spring 8 is fixedly connected with the thorn 5, and the other end of the tension spring is fixedly connected with the base 102.
Referring to fig. 1 to 5, in the present embodiment, a first protruding strip 105 is disposed on a side of the connecting arm 103 close to the inner clamp 7, a first groove 701 is disposed on a side of the inner clamp 7 close to the connecting arm 103, and the inner clamp 7 is slidably engaged with the first protruding strip 105 disposed on the connecting arm 103 through the first groove 701 disposed thereon; one convex strip 105 and one groove 701 can ensure that the inner clamp 7 cannot sway left and right in the ascending process, and meanwhile, after the structure is adopted, one end of the inner clamp 7 and the connecting arm 103 are fixed in the horizontal plane, only the screw shaft sleeve 3 needs to be rotated at the moment, so the other end of the screw rod 6 can rise, and when the screw shaft sleeve 3 is rotated, the inner clamp 7 rotates in the horizontal plane along with the screw shaft sleeve 3, so that the screw rod 6 cannot rise.
Referring to fig. 1 to 5, in the present embodiment, an ear plate 104 is provided on a side of the connecting arm 103 away from the inner clamp 7; the ear plate 104 facilitates lifting and the like during high-altitude operation.
Referring to fig. 1 to 5, in the present embodiment, an arc-shaped groove 106 is formed on one side of the outer clamping jaw 101 facing the inner clamp 7, and a sawtooth stripe is formed on a groove wall surface of the arc-shaped groove 106; the outer clamping jaw 101 of the design is convenient for clamping a wire, meanwhile, the outer clamping jaw 101 with the arc-shaped groove 106 is opened, the wire can be placed in the arc-shaped groove 106, the wire is prevented from being damaged in the clamping process, and meanwhile, the outer clamping jaw 101 can be tighter to clamp the wire due to the sawtooth stripes.
Referring to fig. 1 to 5, in the present embodiment, the spinous process 5 is further provided with a positioning bead 502, a part of the positioning bead 502 is embedded in the spinous process 5, and another part of the positioning bead is exposed outside the spinous process 5 and is matched and corresponding to the second groove 107 formed on the lower surface of the base 102; when the inner clamp 7 needs to be lowered, the thorn 5 is pulled open at the moment, the positioning bead 502 slides into the second groove 107, at the moment, the front end of the thorn 5 does not abut against the gear of the ratchet 4 any more, the handle is rotated anticlockwise, the inner clamp 7 is lowered, the wire is placed between the inner clamp 7 and the outer clamping jaw 101, the clamping jaw is rotated clockwise, after the wire is clamped, the positioning bead 502 on the thorn 5 is slightly pulled out of the second groove 107 downwards, at the moment, the front end of the thorn 5 abuts against the gear of the ratchet 4 again, and the rotation of the rotary handle 2 is prevented.
The utility model discloses a theory of operation does: in the use, when the inner clamp 7 needs to be lowered, the thorn 5 is poked to slide the positioning bead 502 into the second groove 107, the front end of the thorn 5 does not abut against the gear of the ratchet 4 any more, the rotating handle 2 rotates anticlockwise, the inner clamp 7 descends, the wire is placed between the inner clamp 7 and the outer clamp jaw 101, the rotating handle 2 rotates clockwise, the thorn 5 is poked downwards slightly after the wire is clamped by the inner clamp 7 and the outer clamp jaw 101, the positioning bead 502 on the thorn 5 is poked out of the second groove 107, at the moment, the front end of the thorn 5 abuts against the gear of the ratchet 4 again under the tension of the tension spring 8, and the rotation of the rotating handle 2 is prevented.
Finally, the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields using the contents of the present specification and the attached drawings are included in the scope of the present invention.
Claims (5)
1. The utility model provides a from locking-type earth clamp, contains outer anchor clamps (1) and interior anchor clamps (7), its characterized in that: the outer clamp (1) comprises an outer clamping jaw (101), a base (102) and a connecting arm (103) connected with the outer clamping jaw (101) and the base (102), an inner clamp (7) is arranged between the outer clamping jaw (101) and the base (102) of the outer clamp (1), one end of the inner clamp is in sliding fit with the connecting arm (103), the other end of the inner clamp is flush with the end, far away from the connecting arm (103), of the outer clamping jaw (101), a screw rod (6) is connected to one side, facing the base (102), of the inner clamp (7), a first through hole is formed in the middle of the base (102), a screw rod shaft sleeve (3) is arranged in the first through hole in a penetrating mode, the upper end of the screw rod shaft sleeve (3) is arranged in the first through hole in a penetrating mode, a rotating handle (2) is fixedly connected to the lower end of the screw rod shaft sleeve (3), and the screw rod (6) is arranged in the, the ratchet wheel is further sleeved at the position, close to the lower end of the through hole, of the screw shaft sleeve (3), a ratchet wheel (4) is further sleeved, a spine (5) is arranged on one side of the ratchet wheel (4), the spine (5) is rotatably connected with the base (102) through a positioning column (501), one end of the spine (5) is further meshed with the ratchet wheel (4), the other end of the spine is connected with a tension spring (8), one end of the tension spring (8) is fixedly connected with the spine (5), and the other end of the tension spring is fixedly connected with the base (102).
2. The self-locking ground clamp of claim 1, wherein: one side that linking arm (103) are close to interior anchor clamps (7) is equipped with sand grip (105) one side that interior anchor clamps (7) are close to linking arm (103) is equipped with recess (701), interior anchor clamps (7) through its last recess (701) that is equipped with sand grip (105) that are equipped with on linking arm (103) cooperate with sliding mutually.
3. The self-locking ground clamp of claim 2, wherein: an ear plate (104) is arranged on one side of the connecting arm (103) far away from the inner clamp (7).
4. The self-locking ground clamp of claim 1, wherein: an arc-shaped groove (106) is formed in one side, facing the inner clamp (7), of the outer clamping jaw (101), and sawtooth stripes are arranged on the surface of the groove wall of the arc-shaped groove (106).
5. The self-locking ground clamp of claim 1, wherein: the thorn (5) is also provided with a positioning bead (502), one part of the positioning bead (502) is embedded in the thorn (5), and the other part of the positioning bead is exposed out of the thorn (5) and is matched and corresponding to a second groove (107) formed in the lower surface of the base (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920961462.8U CN209981482U (en) | 2019-06-25 | 2019-06-25 | Self-locking type grounding wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920961462.8U CN209981482U (en) | 2019-06-25 | 2019-06-25 | Self-locking type grounding wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209981482U true CN209981482U (en) | 2020-01-21 |
Family
ID=69266827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920961462.8U Active CN209981482U (en) | 2019-06-25 | 2019-06-25 | Self-locking type grounding wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209981482U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934109A (en) * | 2020-08-20 | 2020-11-13 | 上海凡扬电力科技发展有限公司 | Wire clamp mounting clamp |
| CN112531359A (en) * | 2020-11-26 | 2021-03-19 | 贵州电网有限责任公司 | Quick installation type ice-melt shorting stub presss from both sides |
| CN113600258A (en) * | 2021-08-31 | 2021-11-05 | 陕西科技大学 | Leather multipoint tensile test bench |
| CN116722380A (en) * | 2023-08-03 | 2023-09-08 | 三峡金沙江云川水电开发有限公司 | Electric equipment grounding device of hydropower plant |
-
2019
- 2019-06-25 CN CN201920961462.8U patent/CN209981482U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934109A (en) * | 2020-08-20 | 2020-11-13 | 上海凡扬电力科技发展有限公司 | Wire clamp mounting clamp |
| CN112531359A (en) * | 2020-11-26 | 2021-03-19 | 贵州电网有限责任公司 | Quick installation type ice-melt shorting stub presss from both sides |
| CN113600258A (en) * | 2021-08-31 | 2021-11-05 | 陕西科技大学 | Leather multipoint tensile test bench |
| CN116722380A (en) * | 2023-08-03 | 2023-09-08 | 三峡金沙江云川水电开发有限公司 | Electric equipment grounding device of hydropower plant |
| CN116722380B (en) * | 2023-08-03 | 2023-11-21 | 三峡金沙江云川水电开发有限公司 | Electric equipment grounding device of hydropower plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209981482U (en) | Self-locking type grounding wire clamp | |
| CN110011227B (en) | High-voltage cable peeling device | |
| CN204649955U (en) | The special external voltage pincers of tester | |
| CN203626366U (en) | Bracing wire back binding fastening tool | |
| CN206490375U (en) | Dual drive type cable termination fastener | |
| CN217913683U (en) | Door and window aluminium alloy welding equipment | |
| CN210490231U (en) | Intelligent earthing device of transformer substation | |
| CN115047231A (en) | Split-type measuring clamp-on ammeter | |
| CN211377421U (en) | Cable head rotating tool | |
| CN111550206B (en) | Rock sampling device for geotechnical engineering | |
| CN210380117U (en) | Special padlock of cable testing bridge | |
| CN110713069B (en) | Power line lays portable pencil tight line instrument | |
| CN210404298U (en) | Plug pin device of electric connection clamp head | |
| CN204179239U (en) | A kind of power line wire clamp | |
| CN212376566U (en) | Fixing device of electric power pole maintenance ladder | |
| CN201629516U (en) | Three-connected extension-resisting clamp for extra HVDC transmission line | |
| CN212659804U (en) | Fixable wiring pole | |
| CN208615449U (en) | A kind of laminating machine connecting rod synchronization positioning and locking device | |
| CN206180544U (en) | Conductor spacer gyration tile | |
| CN206727601U (en) | Self-locking type fastening wire clamp | |
| CN206442092U (en) | Multihead-type cable termination fastener | |
| CN203521864U (en) | Crimping pliers of hydraulic jack type | |
| CN219466020U (en) | Engine flywheel stop tool | |
| CN201946908U (en) | Closed type fixture for replacing insulator in high-voltage transmission line | |
| CN204441506U (en) | Earth connection automatic clamping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |