CN103105512B - High-altitude test clamp - Google Patents
High-altitude test clamp Download PDFInfo
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- CN103105512B CN103105512B CN201310023945.0A CN201310023945A CN103105512B CN 103105512 B CN103105512 B CN 103105512B CN 201310023945 A CN201310023945 A CN 201310023945A CN 103105512 B CN103105512 B CN 103105512B
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Abstract
The upper jaw that present invention is disclosed a kind of high-altitude test clamp is fixed on slide by upper nesting, chute is provided with in described slide, screw rod is provided with in described chute, and coordinate with screw rod can along the nut of slide, lower jaw is fixed on described nut by lower nesting, and put in opposite directions with upper jaw, described screw rod stretches out slide part and is connected with connecting rod, and described upper jaw and lower jaw are equipped with binding post.This high-altitude test clamp effectively can solve the drawback problem of common test pincers, fully achieve work high above the ground, avoid and cannot wiring and having to climb the risk operating and cause because joint geometry is special, the wiring requirement of the electrical test such as multiple pilot project such as loop resistance, line parameter circuit value test can be met, on-the-spot operating personnel's condition of work is greatly improved.
Description
Technical field
Carry out the unit clamp of patch when the present invention relates to a kind of test, in particular, relate to the test jointing clamp that altitude test wiring work can be made to transfer to ground.
Background technology
Carry out the unit clamp of patch when common high-altitude test clamp is a kind of test, altitude test wiring can be made to transfer to ground from work.Using method is received on the connection terminal of jaw by test lead, then be arranged on the operating arm dedicated of Len req by pincers, completes the free-open-close of jaw by pushing away, drawing operating arm dedicated.Though the operation of common high-altitude test clamp uses convenient, laborsaving, because its design, structure show slightly simple, there is following defect:
1, common test pincers whole body generally adopts alumina based material to be made, lighter weight.Upper jaw and vice body are fixed, and lower jaw moves up and down by push-and-pull control lever.Bit is all provided with a binding post, conveniently carries out the wiring of electrical test as loop resistance test event, now goes up binding post and connects current line, and lower binding post connects pressure-wire, and the plastic material that the insulation function of bit is installed by lower jaw realizes.Because current line is comparatively heavy, plastic material hangs main part of the force when rear testing clamp clamps for wire again, along with the growth of testing clamp service time, easily phenomenon of rupture occurs;
2, common test pincers generally can not adjust jaw angle or can only classification adjust in one direction, and due to work high above the ground, testing clamp can not change angle with hold assembly, make the operation irregularity difficulty of holding bar power taking;
3, common test pincers lower jaw hangs with an extension spring and is connected with steel wire, by the compression of push-and-pull control lever guiding steel wire, retracting spring, jaw is contacted with wiring position.But along with spring, steel wire aging, effectively can not ensure that jaw contacts with the effective of wiring position by push-and-pull control lever, thus affect the accuracy of test figure.In addition, if careless push-and-pull is too quickly also the accident that wire rope pulls binding clip fracture easily occurs;
4, common test pincers are for the special electrical equipment joint of part as round conductor, and common high-altitude test clamp also cannot well complete wiring work.Testing crew, for accurately to complete test job, obtains exact test data, when testing the electrical equipment that can not directly contact or overhaul, usually needs wiring of climbing to a higher point, and labour intensity is large, security is not high.
Summary of the invention
Technical matters to be solved by this invention be realize a kind of can reliably, easily from the unit clamp of high-altitude wiring.
To achieve these goals, the technical solution used in the present invention is: the upper jaw of high-altitude test clamp is fixed on slide by upper nesting, chute is provided with in described slide, screw rod is provided with in described chute, and coordinate with screw rod can along the nut of slide, lower jaw is fixed on described nut by lower nesting, and puts in opposite directions with upper jaw, described screw rod stretches out slide part and is connected with connecting rod, and described upper jaw and lower jaw are equipped with binding post.
Described connecting rod is connected by bulb assembly with screw rod, described bulb assembly comprises the interior jointing seat of interlinking lever end, screw rod end and the interior connector be installed in interior jointing seat, be located at the globe joint outside interior jointing seat, be fixed on the globe joint fixed cover of interlinking lever end clamping globe joint, described interior connector both sides are provided with protrusion drive lugs, are provided with the groove allowing drive lugs swing in described interior jointing seat.
Described upper nesting is fixed on the upper sliding sleeve in slide, and can with upper sliding sleeve along the inner runner movement of slide, described nut is fixed on the low sleeve in slide, and can with the runner movement of bolt rotary along low sleeve inside, described low sleeve is connected with screw rod, and can with screw rod synchronously along the chute internal motion of slide;
Drag-line one end is fixed in described upper nesting, and successively via the guide wheel be fixed on low sleeve, the guide wheel being fixed on slide top, the other end is fixed on low sleeve;
When described connecting rod outwards pull low sleeve make upper sliding sleeve walk to its end of travel time, the upper sliding sleeve in this position be provided with match wedge shape fixture block and button hole between slide;
Described upper nesting, between lower nesting and slide (5), be equipped with recoil press spring.
Described binding post is all fixed on connecting rod, and utilizes the wire via slide inside to be connected with lower jaw with described upper jaw respectively.
Described upper jaw and lower jaw in opposite directions end face are provided with sawtooth, and center is provided with the arc-shaped recess matched for wire gripper.
Described upper jaw and upper nesting, and be equipped with insulating mat between lower jaw and lower nesting.
Described connecting rod is provided with more piece, and can connect from beginning to end or dismantle each other.
High-altitude test clamp of the present invention is light, durable in use, effectively can solve the drawback problem of common test pincers, fully achieve work high above the ground, avoid and cannot wiring and having to climb the risk operating and cause because joint geometry is special, testing clamp jaw can free-open-close, wiring position different angles can be met, different-thickness, the requirement of different-diameter, thus meet electrical test such as loop resistance, the wiring requirement of the multiple pilot projects such as line parameter circuit value test, and ensure that jaw place contact is large by the mode rotating screw thread clamping, contact is reliable, on-the-spot operating personnel's condition of work is greatly improved.
Accompanying drawing explanation
Mark in the content expressed every width accompanying drawing in instructions of the present invention below and figure is briefly described:
Fig. 1 is high-altitude test clamp structural representation;
Fig. 2 is high-altitude test clamp using state schematic diagram;
Fig. 3 is for having the high-altitude test clamp structural representation of " coarse adjustment school " function;
Mark in above-mentioned figure is: 1, upper nesting; 2, upper jaw; 3, lower nesting; 4 lower jaws; 5, slide; 6, nut; 7, screw rod; 8, globe joint; 9, globe joint fixed cover; 10, interior connector; 11, interior jointing seat; 12; Connecting rod; 13, recoil press spring; 14, upper sliding sleeve; 15, low sleeve
Embodiment
Embodiment 1
Known see Fig. 1, upper jaw 2 and lower jaw 4 are individually fixed in nesting 1 and lower nesting 3, above-mentioned upper jaw 2 and upper nesting 1, and be equipped with insulating mat between lower jaw 4 and lower nesting 3, to keep insulation, this testing clamp is provided with the slide 5 of a strip, in slide 5, hollow is chute, wherein side outer wall is provided with opening along chute, chute internal fixtion has a screw rod 7, and coordinate with screw rod 7 can along the nut 6 of slide, form lead screw transmission mechanism, screw rod 7 end winding support is slide 5 one end (this end is defined as bottom) and stretched out by this end and be connected with connecting rod 12, thus pivot link 12 can make nut 6 move up and down along chute, upper nesting 1 is fixed in slide 5 other end (this end is defined as top) outward, lower nesting 3 is fixed on nut 6 by slide 5 opening side, and upper jaw 2 and lower jaw 4 are put in opposite directions, clamping measured object can be coordinated, upper jaw 2 and lower jaw 4 in opposite directions end face are provided with sawtooth, to guarantee the stability of gripping objects, upper jaw 2 and lower jaw 4 control to clamp by lead screw transmission mechanism simultaneously, can guarantee to clamp measured object, virtual connection is avoided to occur, ensure Measurement reliability, be provided with the center of lower jaw 4 arc-shaped recess matched for wire gripper at upper jaw 2, such jaw can wire gripper or sheet material easily, highly versatile.
The upper nesting 1 of high-altitude test clamp, lower nesting 3, slide 5 all adopt high-quality stainless steel to make, and material is hard, greatly reduce the possibility of testing clamp fracture.Because testing clamp is used for high-altitude power taking, connecting rod 12 can be provided with more piece, and can connect from beginning to end or dismantle each other, when not using like this, can disassemble and conveniently store transport, connecting rod 12 joint number can be increased and decreased as required during use, meet the power taking needs of differing heights, connecting rod 12 is plastic bar, can alleviate the weight of whole high-altitude test clamp like this, facilitate operated by personnel, ensure use safety.
High-altitude test clamp in use, measured object is not all horizontally disposed with, therefore jaw needs can with measured object angular transformation, connecting rod 12 is connected by bulb assembly with screw rod 7, this bulb assembly comprises interior jointing seat 11, interior connector 10, globe joint 8 and globe joint fixed cover 9, interior connector 10 is connected with interior jointing seat 11, and be separately fixed at screw rod 7 and connecting rod 12 end, interior connector 10 both sides are provided with protrudes drive lugs and is arranged in interior jointing seat 11, and in interior jointing seat 11, be provided with the groove allowing drive lugs swing, globe joint 8 is fixed on slide 5 bottom, it is hollow ball and interior connector 10 and interior jointing seat 11 is placed in its inside, globe joint fixed cover 9 is fixed on end and for clamping globe joint 8.Such bulb modular construction can make pincers can realize 360 ° of step-less adjustment angles as shown in Figure 2 within the scope of the circular cone of ± 45 °.
Because testing clamp can rotate, and in work high above the ground, if therefore upper jaw 2 is all arranged on body with the binding post of lower jaw 4, then after wiring, cable affects test job, is therefore all fixed on by the binding post of two jaws on first joint connecting rod 12, and utilizes the wire via slide 5 inside to be connected with lower jaw 4 with described upper jaw 2 respectively, cable hanging swing can be avoided like this, affect test job.
During use, operating personnel only need to observe wiring position, roughly adjust jaw angle, first save wiring on connecting rod 12 binding post at head, then according to measured object height control connecting rod 12 joint number, then testing clamp is lifted, upper jaw 2 is ridden on measured object, swivel link 12, lower jaw 4 thereupon slowly on move, namely measured object can be clamped.
Embodiment 2
As embodiment 1 scheme, when completing clamping work by rotary screw 7, following problem can be there is, owing to being high-altitude clamping, aim at clamping for convenience, need the span of jaw that larger, larger span of jaw then needs long-time swivel link 12 to complete clamping, this just make staff need to lift for a long time connecting rod 12 rotates, labour intensity is larger.Thus, on the basis of embodiment 1 " lead screw transmission mechanism structure-fine setting ", increase " coarse adjustment " scheme, form new technical scheme embodiment 2.
A upper sliding sleeve 14 and a low sleeve 15 is increased in the chute of slide 5, and upper nesting 1 is fixed on upper sliding sleeve 14 by slide 5 opening part, thus upper nesting 1 can move up and down along the inner chute of slide 5 with upper sliding sleeve 14, connecting rod 12 is connected with low sleeve 15 end by bulb assembly, screw rod 7 and nut 6 are arranged in low sleeve 15, screw rod 7 is fixed on low sleeve 15 two ends by axle sleeve, thus screw rod 7 is when rotating with connecting rod 12, nut 6 can move up and down in low sleeve 15, low sleeve 15 is arranged in slide 5 chute, its side is provided with the fluting matched with slide 5 opening, lower nesting 3 is fixed on nut 6 through opening and fluting, low sleeve 15 can be pulled out by slide 5 bottom, along slide 5 runner movement.Pull with connecting rod 12 like this, low sleeve 15 slides at slide 5, then can drive screw rod 7, nut 6 and lower nesting 3 synchronously along the chute internal motion of slide 5, pivot link 12 then can make lower nesting 3 move along opening and fluting in low sleeve 15.
A drag-line is utilized to be connected by upper and lower two sliding sleeves, realize pulling low sleeve 15 and can make two jaw move toward one another, reach " coarse adjustment " object, one end of drag-line is fixed in upper nesting 1, successively via the guide wheel be fixed on low sleeve 15, the guide wheel being fixed on slide 5 top, then the drag-line other end is fixed on low sleeve 15.Offer one by upper sliding sleeve stroke groove in the non-jaw side of slide 5 simultaneously, the corresponding side of upper sliding sleeve 15 is provided with the slide block that is stretched out the trip groove, the stroke of two sliding sleeves can be controlled by the trip groove, and when outwards pulling low sleeve 15 makes upper sliding sleeve 14 walk to its end of travel to described connecting rod 12, upper sliding sleeve 14 in this position is provided with between slide 5 match wedge shape fixture block and button hole, when this position, upper sliding sleeve 14 is fixing dead, namely complete " coarse adjustment " work, and wait for cooperation " fine setting " clamping in this position.The slide block that under high-altitude test clamp, nesting 3 is connected with upper nesting 1 all and between slide 5 is equipped with recoil press spring 13, recoil press spring 13 can help low sleeve return, lower nesting 3 upwards can also be pushed up by the recoil press spring 13 of same nesting 3 at present in " fine setting ", guarantees further to clamp measured object.
During use, operating personnel only need to observe wiring position, roughly adjust jaw angle, first save wiring on connecting rod 12 binding post at head, again according to measured object height control connecting rod 12 joint number, again testing clamp is lifted, being lifted by testing clamp with connecting rod 12 makes upper jaw 1 a little more than measured object, upper jaw 1 is tangled measured object, connecting rod 12 is pulled down to the fixture block of upper sliding sleeve 14 and button hole and fastens, complete " coarse adjustment ", swivel link 12 again, until upper jaw 1 and lower jaw 3 are engaged tighter, complete " fine setting ", namely measured object can be clamped, manually the fixture block fastened and button hole are separated after detection, retracing spring 13 can be resetted automatically, treat that next time uses.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (7)
1. high-altitude test clamp, it is characterized in that: the upper jaw (2) of this testing clamp is fixed on slide (5) by upper nesting (1), chute is provided with in described slide (5), screw rod (7) is provided with in described chute, and coordinate with screw rod (7) can along the nut of slide (6), lower jaw (4) is fixed on described nut (6) by lower nesting (3), and put in opposite directions with upper jaw (2), described screw rod (7) stretches out slide (5) part and is connected with connecting rod (12), described upper jaw (2) and lower jaw (4) are equipped with binding post,
Described connecting rod (12) is connected by bulb assembly with screw rod (7), described bulb assembly comprises the interior jointing seat (11) of connecting rod (12) end, screw rod (7) end and the interior connector (10) be installed in interior jointing seat (11), be located at interior jointing seat (11) globe joint outward (8), be fixed on the globe joint fixed cover (9) of connecting rod (12) end clips holding joint (8), described interior connector (10) both sides are provided with protrusion drive lugs, are provided with the groove allowing drive lugs swing in described interior jointing seat (11).
2. high-altitude test clamp according to claim 1, it is characterized in that: described upper nesting (1) is fixed on the upper sliding sleeve (14) in slide (5), and can with upper sliding sleeve (14) along slide (5) inner runner movement, described nut (6) is fixed on the low sleeve (15) in slide (5), and can rotate along the inner runner movement of low sleeve (15) with screw rod (7), described low sleeve (15) is connected with screw rod (7), and can with screw rod (7) synchronously along the chute internal motion of slide (5);
Drag-line one end is fixed in described upper nesting (1), and successively via the guide wheel be fixed on low sleeve (15), the guide wheel being fixed on slide (5) top, the other end is fixed on low sleeve (15);
When described connecting rod (12) outwards pull low sleeve (15) make upper sliding sleeve (14) walk to its end of travel time, the upper sliding sleeve (14) in this position is provided with between slide (5) match wedge shape fixture block and button hole.
3. high-altitude test clamp according to claim 2, is characterized in that: described upper nesting (1), be equipped with recoil press spring (13) between lower nesting (3) and slide (5).
4. high-altitude test clamp according to claim 3, it is characterized in that: described binding post is all fixed on connecting rod (12), and utilize the wire via slide (5) is inner to be connected with lower jaw (4) with described upper jaw (2) respectively.
5. high-altitude test clamp according to claim 4, is characterized in that: described upper jaw (2) and lower jaw (4) in opposite directions end face are provided with sawtooth, and center is provided with the arc-shaped recess matched for wire gripper.
6. high-altitude test clamp according to claim 5, is characterized in that: described upper jaw (2) and upper nesting (1), and is equipped with insulating mat between lower jaw (4) and lower nesting (3).
7. the high-altitude test clamp according to claim 3,4,5 or 6, is characterized in that: described connecting rod (12) is provided with more piece, and can connect from beginning to end or dismantle each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310023945.0A CN103105512B (en) | 2013-01-23 | 2013-01-23 | High-altitude test clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310023945.0A CN103105512B (en) | 2013-01-23 | 2013-01-23 | High-altitude test clamp |
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| Publication Number | Publication Date |
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| CN103105512A CN103105512A (en) | 2013-05-15 |
| CN103105512B true CN103105512B (en) | 2015-08-05 |
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| CN201310023945.0A Active CN103105512B (en) | 2013-01-23 | 2013-01-23 | High-altitude test clamp |
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| CN103728474A (en) * | 2013-12-31 | 2014-04-16 | 国家电网公司 | Upper air wiring clamp |
| CN104597291B (en) * | 2015-01-27 | 2017-09-29 | 广西大学 | Overhead wiring clamp device |
| CN104849518B (en) * | 2015-06-08 | 2017-06-13 | 国网山东龙口市供电公司 | A kind of high-altitude electrical test remote control wiring clamping device |
| CN107576825B (en) * | 2017-08-21 | 2024-01-30 | 贵州电网有限责任公司 | Reducing direct current, return circuit resistance test clamp |
| CN108761142A (en) * | 2018-04-23 | 2018-11-06 | 广东电网有限责任公司 | A kind of dedicated high-altitude test clamp device of DC Resistance Test of Transformer |
| CN111610347A (en) * | 2020-05-19 | 2020-09-01 | 国家电网有限公司 | Bus loop resistance wiring device |
| CN112305271B (en) * | 2020-10-31 | 2022-09-09 | 贵州电网有限责任公司 | Electrified test appurtenance convenient to use |
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| CN114323513B (en) * | 2021-12-29 | 2023-07-21 | 深蓝汽车科技有限公司 | Rigidity testing device for vehicle bushing |
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| CN103105512A (en) | 2013-05-15 |
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