CN104241889B - Enclosed type wired earth wire clamp - Google Patents
Enclosed type wired earth wire clamp Download PDFInfo
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- CN104241889B CN104241889B CN201410442764.6A CN201410442764A CN104241889B CN 104241889 B CN104241889 B CN 104241889B CN 201410442764 A CN201410442764 A CN 201410442764A CN 104241889 B CN104241889 B CN 104241889B
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- train wheel
- wheel bridge
- wire
- lower plate
- wire clamp
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Abstract
Enclosed type wired earth wire clamp, for clamping wire, this earthing clamp is connected to wire clamp connecting line and includes being provided with the wire clamp support of holding tank, it is connected on wire clamp support by the first torque spring and corresponding lead is provided with the train wheel bridge of opening in tiger's jaw shape and is connected to the lower plate on wire clamp support by the second torque spring, train wheel bridge and lower plate lay respectively at the both sides bottom holding tank and are oppositely arranged, wire clamp support is additionally provided with train wheel bridge blocking device, when this earthing clamp is installed, train wheel bridge, lower plate can be followed wire and be rotated bottom holding tank, until train wheel bridge is locked on train wheel bridge blocking device, it is clamped in wire clamp support so that wire is closed, therefore colliding or pull wire clamp connecting line all can not make this earthing clamp depart from wire, ensure that the good earth of wire in work, reliability is high, eliminate the potential safety hazard in service work.
Description
Technical field
The invention mainly relates to earthing clamp technical field, refer in particular to a kind of enclosed type wired earth wire clamp.
Background technology
Earthing clamp is a kind of electric power safety instrument for mounting short-circuit grounding wire, when high pressure equipment being carried out interruption maintenance or carrying out other work, short-circuit grounding wire can prevent equipment from sending a telegram here suddenly produced dangerous voltage and electric arc, or prevent contiguous high voltage alive equipment and circuit from producing the induced voltage harm to human body, can also be used with to drain the residual charge of power cutoff device and circuit, personnel are avoided to get an electric shock and die or third-degree burn, to ensure the personal safety of operating personnel.And domestic used wire end earthing clamp mostly is the flat folder of outer image Ischaemum ciliare formula at present, front opening is bigger, after wire clashes into this wire clamp limited support and makes it shift, this wire clamp can be clamped in wire clamp groove by parallel for wire automatically, after service work terminates, directly pulling wire clamp connection just can so that this wire clamp departs from wire, its advantage is simple to operate, but in the practical working situation that tower head working place is limited, tower head operating personnel pull, the phenomenon touching wire clamp connecting line can occur unavoidably, and due to the design defect of this cable clamp structure, pull, touch wire clamp connecting line and all likely result in this wire clamp disengaging wire, if causing, this wire clamp departs from wire, service work will be made to lose safeguard protection, very easily cause the massive losses of personnel and property, potential safety hazard has been buried to whole service work.
Summary of the invention
For overcoming the defect having in above-mentioned prior art, it is an object of the invention to provide a kind of enclosed type wired earth wire clamp, this wired earth wire clamp is except having simple in construction, easy to operate advantage, still prevent in maintenance process because operating personnel pulls, touches wire clamp connecting line and make wire clamp depart from wire, reliability is high, eliminates the potential safety hazard in service work.
For reaching above-mentioned purpose, the technical solution adopted in the present invention is:
Enclosed type wired earth wire clamp, for clamping wire, this earthing clamp is connected to wire clamp connecting line, this earthing clamp also includes wire clamp support, train wheel bridge and lower plate, wire clamp support is provided with holding tank, train wheel bridge is connected on wire clamp support by the first torque spring and corresponding described wire is provided with the opening in tiger's jaw shape, and lower plate is connected on wire clamp support by the second torque spring, and train wheel bridge and lower plate lay respectively at the both sides bottom holding tank and be oppositely arranged；Wire clamp support is additionally provided with train wheel bridge spacer pin, lower plate spacer pin and train wheel bridge blocking device, train wheel bridge blocking device includes the locking slide block being connected to locking spring, the other end of locking spring is connected to extension section, when this earthing clamp does not clamp described wire, train wheel bridge top press clamping plate spacer pin and opening towards with holding tank towards consistent, lower plate top pressure clamping plate spacer pin, when this earthing clamp clamps described wire, train wheel bridge leaves train wheel bridge spacer pin and one end is locked under locking slide block, now train wheel bridge opening is towards lower plate direction, lower plate leaves lower plate spacer pin and is positioned at below train wheel bridge, described wire is clamped in the bottom of holding tank by train wheel bridge and lower plate.
Clamping plate support, train wheel bridge, the setting of lower plate and train wheel bridge locking system makes wire be locked on this enclosed type wired earth wire clamp: when above-mentioned enclosed type wired earth wire clamp is installed, only need to be directed at holding tank wire to be held, lift earthing clamp again so that wire enters in holding tank, namely wire can compress train wheel bridge, lower plate rotates to the bottom direction of holding tank, until train wheel bridge is locked out after slipping over train wheel bridge locking system, now wire arrives bottom holding tank, the opening of train wheel bridge is towards lower plate direction thus being closed by the opening of holding tank, wire is tightly clamped in the opening of train wheel bridge by lower plate by the twisting force of the second torque spring, to realize closing wire being clamped in bottom the holding tank of wire clamp support.In maintenance line work, owing to train wheel bridge is locked out, namely wire is locked in the bottom of holding tank, therefore colliding or pull wire clamp connecting line all can not make this earthing clamp depart from wire, ensure that the good earth of wire in work, reliability is high, eliminates the potential safety hazard in service work, and simple in construction, easy to operate.Additionally, this earthing clamp is made to depart from the process also very simple and fast of wire: only to need lift extension section, extension section drives locking system to return, the locking of train wheel bridge is opened, twisting force by the first torque spring, the second torque spring, train wheel bridge and lower plate all rotate to holding tank opening direction until top is pressed onto train wheel bridge spacer pin, lower plate spacer pin respectively, and now the locking of wire is opened, and continues lift extension section and this earthing clamp can be made to be dragged from wire.
Described wire clamp support includes two substrates being parallel to each other, and is connected by connecting bolt between two substrates, and described train wheel bridge is located between two substrates, and described lower plate is located at outside the two of two substrates.Owing to train wheel bridge online design presss from both sides the middle part of support, and lower plate online design presss from both sides the both sides of support, thus has very strong centering, more firm safety during train wheel bridge, lower plate clamping wire.
Described holding tank is U-shaped holding tank.Holding tank is designed to U-shaped and the bottom of wire and holding tank can be made to be fully contacted, and connects better effects if.
The side of the cambered surface corresponding lead of described train wheel bridge opening is arranged, and described lower plate has the cambered surface that the side of corresponding lead is arranged.Owing to the side of train wheel bridge, the equal corresponding lead of lower plate is provided with the cambered surface of correspondence, thus when clamping wire, the contact surface of train wheel bridge, lower plate and wire is relatively big, can because ensureing that contact is good.
On described wire clamp support, the opening of holding tank is connected to installation insulating cord, and described extension section is connected to unblock insulating cord.When installing this earthing clamp, it is only necessary to insulating cord is installed in lift, when service work terminates, it is only necessary to lift unlocks insulating cord can make earthing clamp depart from wire, uses more convenient and quicker.
Compared with prior art, what the present invention brought has the beneficial effect that
1. when installing this earthing clamp, can wire be locked in earthing clamp, collide or pull wire clamp connecting line and this earthing clamp all can not be made to depart from wire, it is ensured that the good earth of wire in work, reliability is high, eliminates the potential safety hazard in service work；
2. simple in construction, the mode that lift is installed and lift unlocks operates more convenient；
3. train wheel bridge, the equal corresponding lead of lower plate side be provided with the cambered surface of correspondence, thus when clamping wire, the contact surface of train wheel bridge, lower plate and wire is relatively big, can because ensureing that contact is well；
4. the middle part of train wheel bridge online design folder support, and the both sides of lower plate online design folder support, thus during train wheel bridge, lower plate clamping wire, there is very strong centering, more firm safety；
5. this earthing clamp firmly installs, if being not mounted to position, the train wheel bridge of this earthing clamp, lower plate elastic force can make earthing clamp automatically disengage wire, and range estimation is very directly perceived, does not have and installs situation not in place, safety and reliability.
Accompanying drawing explanation
Fig. 1 is the action schematic diagram clamping wire by the embodiment of the present invention；
Fig. 2 is the action schematic diagram making the embodiment of the present invention depart from wire；
Fig. 3 is embodiment of the present invention structural representation when being clamped on wire；
Fig. 4 is the side view of part-structure in the embodiment of the present invention.
Detailed description of the invention
As Figure 1-4, the enclosed type wired earth wire clamp of the present invention includes being connected to the wire clamp support 1 of wire clamp connecting line 15, train wheel bridge 2 and lower plate 3, wire clamp support 1 includes two substrates being connected by connecting bolt 13 and being parallel to each other, position is located between two substrates by train wheel bridge 2, lower plate 3 is respectively arranged on the outside of two substrates, and train wheel bridge 2 and lower plate 3 are oppositely arranged.Wherein, wire clamp support 1 is provided with holding tank 11, train wheel bridge 2 is connected on the side bottom the holding tank 11 of wire clamp support 1 by the first torque spring 22, first torque spring 22 is arranged on wire clamp support 1 and position between two substrates by the first bolt 21, lower plate 3 is connected on the opposite side bottom the holding tank 11 of wire clamp support 1 by the second torque spring 32, and the second torque spring 32 is arranged on wire clamp support 1 by the second bolt 31 and is laid respectively at the outside of two substrates.Wire clamp support 1 is additionally provided with train wheel bridge spacer pin 23, lower plate spacer pin 33 and train wheel bridge locking system, this train wheel bridge locking system includes locking slide block 5 and locking spring 51, one end of locking spring 51 is connected with locking slide block 5, and the other end of locking spring 51 is connected to the extension section 52 that can be pulled out to the rightabout of locking slide block 5, when this earthing clamp does not clamp wire, train wheel bridge 2 top press against train wheel bridge spacer pin 23, and lower plate 3 top press against lower plate alignment pin 33.Train wheel bridge 2 has the opening of the held wire 4 arranged in tiger's jaw shape, cambered surface 24 corresponding lead 4 of train wheel bridge 2 opening is arranged, lower plate 3 also has the cambered surface 34 that corresponding lead 4 is arranged, when this earthing clamp does not clamp wire, train wheel bridge 2 be positioned at the side of holding tank 11 bottom position and opening towards with holding tank 11 towards consistent, lower plate 2 is laterally interspersed in the side of holding tank 11 bottom position, when this earthing clamp clamps wire 4, train wheel bridge 2 opening is towards the direction of lower plate 3, namely wire 4 is closed in the bottom being clamped in holding tank 11 by train wheel bridge 2, now one end of train wheel bridge 2 is locked in locking slide block 5 times, lower plate 3 is positioned at below train wheel bridge 2 and wire 4 is clamped in the bottom of holding tank 11 together with train wheel bridge 2.
On wire clamp support 1, the open end of holding tank 11 is provided with installation insulating cord 14, installs insulating cord 14 and is connected on wire clamp support 1 by the 3rd bolt 12, and extension section 52 is also connected to unblock insulating cord 53.
Extension section 52 can be set to the structure such as draw ring or cylinder, and the extension section 52 in the present embodiment is arranged in ring tab shape, to facilitate the connection unlocking insulating cord 53.
Holding tank 11 can be set to the shape such as U-shaped, spill, but the holding tank 11 in the present embodiment is U-shaped holding tank, the bottom of wire 4 and holding tank 11 can be made to be fully contacted this is because holding tank 11 is designed to U-shaped, connect better effects if.
The installation process of this enclosed type wired earth wire clamp is: insulating cord 14 is installed in lift, make the opening alignment wire 4 of holding tank 11, continue lift and insulating cord 14 is installed, wire 4 enters in holding tank 11, clamping plate 2 are pressed under now wire 4 meeting, lower plate 3 also makes train wheel bridge 2, lower plate 3 rotates to the bottom direction of holding tank, one end of train wheel bridge 2 can push the locking slide block 5 on locking system, move after making locking slide block 5 and compress locking spring 51, when one end of train wheel bridge 2 slips over locking slide block 5, locking slide block 5 ejects under the effect of locking spring 51 elastic force, and then pin train wheel bridge 2, now the opening of train wheel bridge 2 is towards lower plate 3 direction, namely train wheel bridge 2 is by the closure of openings of holding tank 11, wire 4 is tightly clamped in the opening of train wheel bridge 2 by the twisting force of the second torque spring 32 by lower plate 3, and then realize closing wire 4 being clamped in bottom the holding tank 11 of wire clamp support 1, complete the installation of this earthing clamp.
Additionally, this earthing clamp is made to depart from the process also very simple and fast of wire: only to need lift to unlock insulating cord 53, namely extension section 52 is lifted by unblock insulating cord 53, extension section 52 drives locking slide block 5 to return by locking spring 51, namely train wheel bridge locking system is opened, by the first torque spring 22, the twisting force of the second torque spring 32, train wheel bridge 2 and lower plate 3 all rotate to holding tank 11 opening direction until top is pressed onto train wheel bridge spacer pin 23 respectively, lower plate spacer pin 33, now the locking of wire 4 is opened, continuing lift unblock insulating cord 53 can make this earthing clamp be dragged from wire 4, complete dismantlement work.
Above-listed detailed description is illustrating for one of present invention possible embodiments, and this embodiment is also not used to limit the scope of the claims of the present invention, and all equivalences done without departing from the present invention are implemented or change, and are intended to be limited solely by the scope of the claims of this case.
Claims (5)
1. enclosed type wired earth wire clamp, for clamping wire, this earthing clamp is connected to wire clamp connecting line, it is characterized in that: this earthing clamp also includes wire clamp support, train wheel bridge and lower plate, wire clamp support is provided with holding tank, train wheel bridge is connected on wire clamp support by the first torque spring and corresponding described wire is provided with the opening in tiger's jaw shape, and lower plate is connected on wire clamp support by the second torque spring, and train wheel bridge and lower plate lay respectively at the both sides bottom holding tank and be oppositely arranged；Wire clamp support is additionally provided with train wheel bridge spacer pin, lower plate spacer pin and train wheel bridge blocking device, train wheel bridge blocking device includes the locking slide block being connected to locking spring, the other end of locking spring is connected to extension section, when this earthing clamp does not clamp described wire, train wheel bridge top press clamping plate spacer pin and opening towards with holding tank towards consistent, lower plate top pressure clamping plate spacer pin, when this earthing clamp clamps described wire, train wheel bridge leaves train wheel bridge spacer pin and one end is locked under locking slide block, now train wheel bridge opening is towards lower plate direction, lower plate leaves lower plate spacer pin and is positioned at below train wheel bridge, described wire is clamped in the bottom of holding tank by train wheel bridge and lower plate.
2. enclosed type wired earth wire clamp according to claim 1, it is characterized in that: described wire clamp support includes two substrates being parallel to each other, being connected by connecting bolt between two substrates, described train wheel bridge is located between two substrates, and described lower plate is located at outside the two of two substrates.
3. enclosed type wired earth wire clamp according to claim 1 and 2, it is characterised in that: described holding tank is U-shaped holding tank.
4. enclosed type wired earth wire clamp according to claim 3, it is characterised in that: the side of the cambered surface corresponding lead of described train wheel bridge opening is arranged, and described lower plate has the cambered surface that the side of corresponding lead is arranged.
5. enclosed type wired earth wire clamp according to claim 4, it is characterised in that: on described wire clamp support, the opening of holding tank is connected to installation insulating cord, and described extension section is connected to unblock insulating cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410442764.6A CN104241889B (en) | 2014-09-02 | 2014-09-02 | Enclosed type wired earth wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410442764.6A CN104241889B (en) | 2014-09-02 | 2014-09-02 | Enclosed type wired earth wire clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104241889A CN104241889A (en) | 2014-12-24 |
| CN104241889B true CN104241889B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410442764.6A Active CN104241889B (en) | 2014-09-02 | 2014-09-02 | Enclosed type wired earth wire clamp |
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| CN (1) | CN104241889B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808276B (en) * | 2017-04-28 | 2024-05-07 | 重庆德普电气有限公司 | Electrified electric ground clamp that tests |
| CN108023191B (en) * | 2017-12-27 | 2024-01-16 | 中国南方电网有限责任公司超高压输电公司广州局 | High-voltage grounding wire clamp |
| CN111883954B (en) * | 2020-07-30 | 2021-10-22 | 国网北京市电力公司 | Error-locking prevention device for grounding wire of power transmission line |
| CN112038796B (en) * | 2020-09-22 | 2022-03-01 | 中国南方电网有限责任公司超高压输电公司南宁局 | General type push-pull little formula earth connection of twisting about |
| CN113013648B (en) * | 2021-01-28 | 2023-05-09 | 国网新疆电力有限公司超高压分公司 | Bottom open-ended hasp formula earth connection anti-drop hook device |
| CN113922112B (en) * | 2021-09-15 | 2023-12-05 | 国网安徽省电力有限公司超高压分公司 | Wire clamping device for short circuit grounding of power transmission line |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2726143Y (en) * | 2004-08-05 | 2005-09-14 | 陈加龄 | Special high-voltage grounding rod |
| FR2934095B1 (en) * | 2008-07-18 | 2013-03-01 | Fameca | DEVICE FOR GROUNDING AERIAL ELECTRIC CABLE |
| CN201868581U (en) * | 2010-10-16 | 2011-06-15 | 东北电网有限公司锦州超高压局 | Grounding wire clip |
| CN204167519U (en) * | 2014-09-02 | 2015-02-18 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Enclosed type wired earth wire clamp |
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| CN104241889A (en) | 2014-12-24 |
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