CN216529421U - Labor-saving self-locking type universal grounding wire clamp - Google Patents
Labor-saving self-locking type universal grounding wire clamp Download PDFInfo
- Publication number
- CN216529421U CN216529421U CN202220007206.7U CN202220007206U CN216529421U CN 216529421 U CN216529421 U CN 216529421U CN 202220007206 U CN202220007206 U CN 202220007206U CN 216529421 U CN216529421 U CN 216529421U
- Authority
- CN
- China
- Prior art keywords
- wire clamp
- fastener
- wire clip
- labor
- connecting rod
- 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
- Electric Cable Installation (AREA)
Abstract
The utility model discloses a labor-saving self-locking type universal grounding wire clamp, which comprises a second wire clamp and a first wire clamp, wherein a connecting piece is arranged between the second wire clamp and the first wire clamp, the second wire clamp and the first wire clamp are hinged through the connecting piece, a torsion spring is sleeved on the connecting piece, grooves are respectively cut at the bottom ends of the sides, close to one side, of the first wire clamp and the second wire clamp, the second wire clamp and the first wire clamp are positioned in the grooves, cushion covers are sleeved on the positions, the first wire clamp and the second wire clamp are hinged with a first connecting rod and a second connecting rod through a second pin shaft, the first connecting rod and the second connecting rod are hinged, an insulating rope is fixedly arranged at the hinged part to form a shape similar to a parallelogram, and when the included angle between the two hinged rods reaches a certain size according to the parallelogram rule of force, the insulating rope is pulled by hand to form huge force on the hinged rods so that the lower parts of the second wire clamp and the first wire clamp are opened, so as to achieve the effect of labor saving.
Description
Technical Field
The utility model belongs to the technical field of electric power overhaul tools, and particularly relates to a labor-saving self-locking type universal grounding wire clamp.
Background
With the high-speed development of the national power industry, in the operation process of a daily power grid, the fault of a high-voltage power transmission line is inevitable, so that a worker is required to overhaul the high-voltage power transmission line.
At present there is a commonly used ground clamp of hanging of throwing, and the staff throws and puts the fastener in the state of opening before hanging the fastener, and the staff is in overhead transmission line height, thereby handheld insulating rope throw articulate the ground clamp and make ejector pin and transmission conductor contact trigger the ground clamp and accomplish the centre gripping to transmission conductor, and this kind of ground clamp's shortcoming is:
firstly, in the process of taking off the wire clamp, the required pulling force is relatively large, and a maintainer is easy to lose balance in work, so that the maintainer is dangerous and has serious consequences;
secondly, after the grounding wire clamp works for a period of time, due to fatigue damage, the torsion spring fails to provide enough torsion, so that the grounding wire clamp is integrally loosened, and falls off from the wire under the influence of factors such as dead weight of the wire clamp, wind interference and the like, so that the grounding of the power transmission wire is interrupted, and huge potential safety hazards are caused to maintenance personnel;
thirdly, the cable clamp can be taken down from the high-voltage cable only by pulling forcibly, so that the friction force between the cable clamp and the conductor is large, the transmission conductor of the clamped part is easily damaged, the service life of the conductor is shortened, and unnecessary faults are caused.
Disclosure of Invention
The utility model aims to provide a labor-saving self-locking type universal grounding wire clamp which is used for solving the problems of the traditional throwing-hanging type grounding wire clamp so as to realize the self-locking of the wire clamp after clamping a transmission conductor and reduce the effects of reducing the abrasion of the transmission conductor, saving labor, reducing workload and reducing working strength in the process of taking off the wire clamp from the transmission conductor.
In order to achieve the purpose, the utility model provides the following technical scheme: a labor-saving self-locking type universal grounding wire clamp comprises a second wire clamp and a first wire clamp, wherein a connecting piece is arranged between the second wire clamp and the first wire clamp, the second wire clamp and the first wire clamp are hinged through the connecting piece, a torsional spring is sleeved on the connecting piece, grooves are formed in the bottoms, close to one side, of the first wire clamp and the second wire clamp, respectively, cushion covers are sleeved at the positions, located in the grooves, of the second wire clamp and the first wire clamp, a first connecting rod is hinged to the top end of the first wire clamp, a second connecting rod is hinged to the top end of the second wire clamp, a first pin shaft is hinged between the first connecting rod and the second connecting rod, a top rod is arranged between the first wire clamp and the second wire clamp and located above the grooves, a fourth pin shaft is arranged at one end, located at one end of the top rod, of the second wire clamp and the first wire clamp, respectively, and the two ends of the top rod are hinged through the fourth pin shaft, the top of No. two fastener is provided with No. two round pin axles, No. two fasteners articulates through No. two round pin axles has the locking lever, No. two draw-in grooves have all been seted up to the one end that No. two round pin axles were kept away from to the locking lever and the one end that No. one fastener was kept away from to the ejector pin.
Furthermore, the second card slot on the lock rod is in a step shape.
Furthermore, an insulating rope is fixed to one end, away from the first connecting rod and the second connecting rod, of the first pin shaft.
Furthermore, open slots are formed in the top ends of the second line clamp and the first line clamp, and one end, located at the second clamping groove, of the lock rod is connected with the open slot in the first line clamp in a clamping mode.
Further, No. two line presss from both sides and a line presss from both sides and all is located the top of cushion cover and is provided with No. three round pin axles, No. two line presss from both sides and opens chisel in the lateral wall that No. three round pin axle positions kept away from mutually and have No. two openings, No. one line presss from both sides and opens chisel in the lateral wall that No. three round pin axle positions kept away from mutually and has an opening.
Furthermore, a tension spring is arranged between the lock rod and the connecting piece, and the top end and the bottom end of the tension spring are respectively articulated with the lock rod and the connecting piece.
Furthermore, a pull ring is fixed at one end of the lock rod close to the second clamping groove, and an unlocking rope is arranged on the pull ring.
Furthermore, the side walls, far away from the connecting piece, of the second line clamp and the first line clamp are respectively provided with a conducting strip, the side walls, far away from the second line clamp and the first line clamp, of the conducting strips are respectively inserted with a fastening bolt, and the conducting strips are respectively connected with the second line clamp and the first line clamp through the fastening bolts.
Advantageous effects
1. A fastener and No. two fasteners articulate connecting rod and No. two connecting rods through No. two round pin axles, articulate again between a connecting rod and No. two connecting rods to insulating rope sets firmly in articulated department, form a similar parallelogram's shape, according to the parallelogram rule of power, when the contained angle between two hinge bars reaches certain size, with the insulating rope of hand power, can form huge power on the hinge bar and make fastener and a fastener lower part open, in order to reach laborsaving effect.
2. The upper end of a fastener and No. two fasteners is equipped with the locking lever, the locking lever is equipped with the one end joint of No. two draw-in grooves on a fastener, the one end swing joint of No. two draw-in grooves is on No. two fasteners, the clamping part who presss from both sides when a fastener and No. two fasteners presss from both sides tight high-voltage line closed back, the upper end of a fastener and No. two fasteners opens, the one end joint that the locking lever was equipped with No. two draw-in grooves this moment is on the open slot of a fastener, the pulling force through the extension spring makes the tight laminating together of the open slot of No. two draw-in grooves of locking lever and a fastener, make a fastener and No. two fasteners can not close, the auto-lock to the clamping state has been accomplished, the security of earth clamp at the during operation has been improved.
3. The cover that is provided with on the recess of a fastener and No. two fastener lower parts, the cover passes through structural cooperation with the recess on a fastener and the No. two fastener, and the cover can the direct mount on the recess, can reduce the contact between earth clamp and the transmission conductor and the wearing and tearing that bring for the earth clamp, increases earth clamp life, and only need change the cover just can realize the clamping action to different model wires, consequently has certain commonality to different wire models.
4. When the insulating rope is pulled, the moment taking analysis is carried out on the part of the clamp clamping power transmission conductor, so that the clamping force of the clamping part, namely the groove at the lower part of the clamp, on the power transmission conductor can be dispersed, and the effect of reducing the abrasion of the power transmission conductor is achieved, thereby prolonging the service life of the power transmission conductor and reducing the fault rate of the power transmission conductor.
5. The duckbilled part of a fastener and a fastener bottom all designs length longer, compares with other earth clamp, and under the same circumstances of open angle, the scope of catching the wire is bigger, makes aerial work's staff can be faster press from both sides accurate high-voltage line, saves time.
6. Fastening bolts are installed on the first wire clamp and the second wire clamp, the first wire clamp and the second wire clamp are connected with the grounding wire through the fastening bolts, and the two sides of the first wire clamp and the second wire clamp are connected with the grounding wire to generate a better grounding effect. The self-locking type ground wire clamp has the advantages of simple structure, convenience in operation, high self-locking structure safety, capability of reducing the abrasion to the wire, capability of reducing the abrasion to the ground wire clamp and certain universality to various wire models.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the present invention;
fig. 3 is a schematic top view of the present invention.
In the figure: 1. a first connecting rod; 2. a second connecting rod; 3. a first pin shaft; 4. a second pin shaft; 5. a second wire clamp; 6. a top rod; 7. a third pin shaft; 8. a cushion cover; 9. a first wire clamp; 10. a fourth pin shaft; 11. a connecting member; 12. a torsion spring; 13. a lock lever; 14. a tension spring; 15. an insulating cord; 16. a conductive sheet; 17. fastening a bolt; 18. a pull ring; 19. unlocking the rope; 20. a groove; 21. an open slot; 22. a first card slot; 23. a second card slot; 24. an opening I; 25. and a second opening.
Detailed Description
The technical scheme in the embodiment of the utility model is clearly and completely described below with reference to the accompanying drawings.
A labor-saving self-locking universal grounding wire clamp is shown in figure 1 and comprises a second wire clamp 5 and a first wire clamp 9, a connecting piece 11 is arranged between the second wire clamp 5 and the first wire clamp 9, the second wire clamp 5 and the first wire clamp 9 are hinged through the connecting piece 11, a torsion spring 12 is sleeved on the connecting piece 11, a groove 20 is formed in the bottom end of one side, close to the second wire clamp 5, of the first wire clamp 9 and the second wire clamp 5, a cushion 8 is sleeved at the position, close to the groove 20, of the second wire clamp 5 and the first wire clamp 9, a first connecting rod 1 is hinged to the top end of the first wire clamp 9, a second connecting rod 2 is hinged to the top end of the second wire clamp 5, a first pin shaft 3 is hinged between the first connecting rod 1 and the second connecting rod 2, a top rod 6 is arranged between the first wire clamp 9 and the second wire clamp 5 and above the groove 20, a fourth pin shaft 10 is arranged at one end of the second wire clamp 5 and the first wire clamp 9, a top rod 10 is hinged to the top rod 6, no. two fastener 5's top is provided with No. two round pin axles 4, and No. two fastener 5 articulates through No. two round pin axles 4 has locking lever 13, and No. two round pin axle 4's one end and ejector pin 6 keep away from the one end of a fastener 9 and all seted up No. two draw-in grooves 23 to locking lever 13.
The second card slot 23 on the locking bar 13 is in a step shape.
An insulating rope 15 is fixed at one end of the first pin shaft 3, which is far away from the first connecting rod 1 and the second connecting rod 2.
As shown in fig. 2 to 3, a third pin shaft 7 is disposed above the cushion cover 8 of each of the second wire clamp 5 and the first wire clamp 9, a second opening 25 is formed in a side wall, away from the third pin shaft 7, of the second wire clamp 5, and a first opening 24 is formed in a side wall, away from the third pin shaft 7, of the first wire clamp 9.
A tension spring 14 is arranged between the lock rod 13 and the connecting piece 11, and the top end and the bottom end of the tension spring 14 are respectively connected with the lock rod 13 and the connecting piece 11 in a hanging mode.
One end of the lock rod 13 close to the second clamping groove 23 is fixed with a pull ring 18, and an unlocking rope 19 is arranged on the pull ring 18.
The side wall of the second wire clamp 5 and the first wire clamp 9 far away from the connecting piece 11 is provided with a conducting strip 16, the side wall of the conducting strip 16 far away from the second wire clamp 5 and the first wire clamp 9 is provided with a fastening bolt 17, and the conducting strip 16 is connected with the second wire clamp 5 and the first wire clamp 9 through the fastening bolt 17.
The working principle of the device is as follows: firstly, tension is provided for the insulating rope 15 by hand to stretch duckbilled parts of the first wire clamp 9 and the second wire clamp 5, at the moment, the ejector rod 6 can rotate downwards under the action of gravity, at the moment, the first clamping groove 22 on the ejector rod 6 is clamped on the third pin shaft 7 of the second wire clamp 5, at the moment, the hand for lifting the insulating rope 15 is released and no longer provides tension, and the duckbilled parts of the first wire clamp 9 and the second wire clamp 5 are in a stretched state; the power transmission line maintenance personnel fix the connector of the grounding wire on the conducting strips 16 of the first wire clamp 9 and the second wire clamp 5 through the fastening bolts 17, then hold the insulating rope 15, open the lower parts of the first wire clamp 9 and the second wire clamp 5 to form a space aligned with a power transmission lead, throw the ejector rod 6 downwards with force to collide with the power transmission lead, enable the ejector rod 6 to move upwards in the process of colliding with the power transmission lead, the first opening 24 of the ejector rod 6 is separated from the third pin 7, the first wire clamp 9 and the second wire clamp 5 are closed under the torque force generated by the torsion arms at the two ends of the torsion spring 12, firmly clamp a high-voltage wire in the grooves 20 of the first wire clamp 9 and the second wire clamp 5, loosen the insulating lock rod 15 after clamping, enable the lock rod 13 to rotate downwards around the second pin 4 under the action of gravity, enable the first opening groove 22 of the open groove 13 to be just clamped on the first wire clamp groove 21 of the first wire clamp 9, and enable the first opening groove 22 of the lock rod 13 and the second wire clamp 21 to be tightly clamped under the action of the tension spring 14 The upper ends of the first wire clamp 9 and the second wire clamp 5 can not be opened any more, so that the high-voltage wire is firmly clamped to complete self-locking;
when the work is finished, namely the grounding wire clamp is taken down after the maintenance task is finished, the locking rope 19 is firstly unlocked by hand, the separation of the second clamping groove 23 of the locking rod 13 and the open groove 21 of the first wire clamp 9 is realized, so that the self-locking of the grounding wire clamp is released, the insulating rope 15 is then pulled by hand, the pulling force is transmitted to the first connecting rod 1 and the second connecting rod 2 through the first pin shaft 3, the parallelogram of the force determines that the huge longitudinal force on the second connecting rod 2 can be generated only by small pulling force, so that the huge longitudinal force is transmitted to the second pin shaft 4 on the upper parts of the first wire clamp 9 and the second wire clamp 5, the groove 20 for clamping a power transmission wire on the lower part of the wire clamp is opened, the separation of the grounding wire clamp and the power transmission wire is finished, and the grounding wire clamp is taken out.
Claims (8)
1. The utility model provides a laborsaving general earth clamp of self-locking type which characterized in that: the wire clip comprises a second wire clip (5) and a first wire clip (9), a connecting piece (11) is arranged between the second wire clip (5) and the first wire clip (9), the second wire clip (5) and the first wire clip (9) are hinged through the connecting piece (11), a torsion spring (12) is sleeved on the connecting piece (11), a groove (20) is formed in the bottom end, close to one side, of the first wire clip (9) and the second wire clip (5), the second wire clip (5) and the first wire clip (9) are both located in the groove (20), a cushion cover (8) is sleeved on the position, a first connecting rod (1) is hinged to the top end of the first wire clip (9), a second connecting rod (2) is hinged to the top end of the second wire clip (5), a first pin shaft (3) is hinged between the first connecting rod (1) and the second connecting rod (2), and a push rod (6) is arranged between the first wire clip (9) and the second wire clip (5) and above the groove (20), no. two fastener (5) and a fastener (9) are located the one end of ejector pin (6) respectively and all are provided with No. four round pin axles (10), No. two fastener (5) and a fastener (9) are articulated through the both ends of No. four round pin axles (10) with ejector pin (6) respectively, the top of No. two fastener (5) is provided with No. two round pin axles (4), No. two fastener (5) articulate through No. two round pin axles (4) and have locking lever (13), No. two draw-in grooves (23) have all been seted up to the one end that No. two round pin axles (4) were kept away from in locking lever (13) one end and ejector pin (6) kept away from a fastener (9).
2. The labor-saving self-locking universal grounding clamp according to claim 1, characterized in that: no. two draw-in grooves (23) on locking lever (13) present the ladder shape.
3. The labor-saving self-locking universal grounding clamp according to claim 1, characterized in that: an insulating rope (15) is fixed at one end, far away from the first connecting rod (1) and the second connecting rod (2), of the first pin shaft (3).
4. The labor-saving self-locking universal grounding clamp according to claim 1, characterized in that: no. two line presss from both sides (5) and the top of a line clamp (9) all excavates open slot (21), locking lever (13) are located the one end of No. two draw-in grooves (23) and open slot (21) joint on a line clamp (9).
5. The labor-saving self-locking universal grounding clamp according to claim 1, characterized in that: no. two line presss from both sides (5) and a line presss from both sides (9) and all is located the top of cushion cover (8) and is provided with No. three round pin axle (7), No. two line presss from both sides (5) and is located the lateral wall that No. three round pin axle (7) positions kept away from mutually and opens the chisel and have No. two openings (25), No. one line presss from both sides (9) and is located the lateral wall that No. three round pin axle (7) positions kept away from mutually and opens the chisel and have opening (24).
6. The labor-saving self-locking universal grounding clamp according to claim 1, characterized in that: a tension spring (14) is arranged between the lock rod (13) and the connecting piece (11), and the top end and the bottom end of the tension spring (14) are respectively connected with the lock rod (13) and the connecting piece (11) in a hanging mode.
7. The labor-saving self-locking universal grounding clamp according to claim 1, characterized in that: a pull ring (18) is fixed at one end, close to the second clamping groove (23), of the lock rod (13), and an unlocking rope (19) is arranged on the pull ring (18).
8. The labor-saving self-locking universal grounding clamp according to claim 1, characterized in that: no. two fastener (5) and No. one fastener (9) keep away from the lateral wall of connecting piece (11) and all are equipped with conducting strip (16), the lateral wall that No. two fastener (5) and No. one fastener (9) were kept away from in conducting strip (16) all inserts and is equipped with fastening bolt (17), conducting strip (16) are connected with No. two fastener (5) and No. one fastener (9) through fastening bolt (17) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220007206.7U CN216529421U (en) | 2022-01-05 | 2022-01-05 | Labor-saving self-locking type universal grounding wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220007206.7U CN216529421U (en) | 2022-01-05 | 2022-01-05 | Labor-saving self-locking type universal grounding wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216529421U true CN216529421U (en) | 2022-05-13 |
Family
ID=81518650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220007206.7U Active CN216529421U (en) | 2022-01-05 | 2022-01-05 | Labor-saving self-locking type universal grounding wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216529421U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115133458A (en) * | 2022-07-20 | 2022-09-30 | 中国南方电网有限责任公司超高压输电公司南宁局 | Transfer device and loading and unloading method thereof |
| CN115513878A (en) * | 2022-08-30 | 2022-12-23 | 贵州电网有限责任公司 | Hydraulic tension-resistant cable clamp |
-
2022
- 2022-01-05 CN CN202220007206.7U patent/CN216529421U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115133458A (en) * | 2022-07-20 | 2022-09-30 | 中国南方电网有限责任公司超高压输电公司南宁局 | Transfer device and loading and unloading method thereof |
| CN115133458B (en) * | 2022-07-20 | 2024-05-24 | 中国南方电网有限责任公司超高压输电公司南宁局 | Transmission device and loading and unloading method thereof |
| CN115513878A (en) * | 2022-08-30 | 2022-12-23 | 贵州电网有限责任公司 | Hydraulic tension-resistant cable clamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216529421U (en) | Labor-saving self-locking type universal grounding wire clamp | |
| CN109216964B (en) | Controllable anti-drop high-voltage power line grounding wire device | |
| CN208561580U (en) | A kind of electric power well lid opening and closing vehicle | |
| CN107311025B (en) | Multifunctional aloft-work tool for transmitting | |
| CN112768972A (en) | Unmanned aerial vehicle electric power earth connection hangs dismouting and puts | |
| CN114123030B (en) | Tool and method for replacing triple strain insulator string | |
| CN215854820U (en) | Bidirectional self-locking insulation hoisting tackle | |
| CN2130799Y (en) | Shear type lifting gripping tongs | |
| CN206148640U (en) | Wire earth clamp with two hanging wire modes | |
| CN111816468B (en) | Fitment instrument with quick elevating system of switch for building decoration | |
| CN213010683U (en) | Steel-aluminum strip feeding machine | |
| CN212389317U (en) | Multistage stroke adjusting device of beam-pumping unit | |
| CN210607692U (en) | Self-locking high-voltage grounding wire clamp | |
| CN210236867U (en) | Locking mechanical device that takes off of driving lifting hook hoist | |
| CN2361019Y (en) | Altitude anti-falling device of transmission and distribution line | |
| CN207572853U (en) | A kind of shaft tower insulator chain electrification replacing tool | |
| CN112807578A (en) | Climbing device with self-locking function | |
| CN216190418U (en) | Special tool for opening cable cover plate | |
| CN206992647U (en) | High-voltage overhead conductor self-locking charged wiring clamp | |
| CN113235908B (en) | Brake device for maintenance of helicopter basket method | |
| CN207603083U (en) | Insulate pawl | |
| CN212641525U (en) | Auxiliary opening tool for manhole cover | |
| CN212726267U (en) | Transmission pulley for operation of ultrahigh voltage transmission line | |
| CN220787817U (en) | Quick unhooking device | |
| CN220985232U (en) | Six-split large-section wire tension paying-off pulley hanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |