CN103105512A - High-altitude test clamp - Google Patents
High-altitude test clamp Download PDFInfo
- Publication number
- CN103105512A CN103105512A CN2013100239450A CN201310023945A CN103105512A CN 103105512 A CN103105512 A CN 103105512A CN 2013100239450 A CN2013100239450 A CN 2013100239450A CN 201310023945 A CN201310023945 A CN 201310023945A CN 103105512 A CN103105512 A CN 103105512A
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Abstract
The invention discloses a high-altitude test clamp. An upper clamp jaw is fixed on a sliding seat through an upper clamp sleeve, a sliding groove is arranged in the sliding seat, a screw rod and a nut which can slide along the sliding groove matching with the screw rod are arranged in the sliding groove, a lower clamp jaw is fixed on the nut through a lower clamp sleeve and arranged opposite to the upper clamp jaw, a portion, stretching out of the sliding seat, of the screw rod is connected with a connecting rod, and binding posts are arranged on the upper clamp jaw and the lower clamp jaw. By means of the high-altitude test clamp, defects of a common test clamp can be overcome, high-altitude operation is completely achieved, the risks caused by the fact that a worker has to climb high for operation due to special shapes of connectors can be avoided, wiring requirements of multiple test items such as loop resistance tests and circuit parameter tests in electrical tests can be satisfied, and work conditions of on-site workers are greatly improved.
Description
Technical field
Carry out the unit clamp of patch when the present invention relates to a kind of the test, in particular, relate to the test jointing clamp that can make altitude test wiring work transfer to ground.
Background technology
Common high-altitude testing clamp carries out the unit clamp of patch when being a kind of the test, can make the altitude test wiring transfer to ground from work.Using method is that test lead is received on the connection terminal of jaw, then pincers is arranged on the operating arm dedicated of Len req, completes the free-open-close of jaw by pushing away, draw operating arm dedicated.Though the operation of common high-altitude testing clamp is used convenient, laborsaving, because its design, structure show slightly simply, has following defective:
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 can move up and down by the push-and-pull control lever.Bit all is provided with a binding post, conveniently carries out the wiring of electrical test such as loop resistance test event, and on this moment, binding post connects the electric current line, and lower binding post connects pressure-wire, and the plastic material that the insulation function of bit is installed by lower jaw is realized.Because the electric current line is comparatively heavy, the main part of the force when plastic material hangs rear testing clamp clamping for wire again, along with the testing clamp growth of service time, easy fracture phenomenon;
2, the common test pincers generally can not be adjusted jaw angle or classification adjustment 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 the 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 aging along with spring, steel wire can not guarantee effectively that by the push-and-pull control lever jaw contacts with the effective of wiring position, thereby affect the accuracy of test figure.In addition, if the too quickly accident that the fracture of wire rope pulling binding clip also easily occurs of careless push-and-pull;
4, the common test pincers are for part special electrical equipment joint such as round conductor, and common high-altitude testing clamp also can't well be completed wiring work.Testing crew obtains accurate test figure for accurately completing test job, when the electrical equipment that can not directly contact is tested or overhauled, usually needs the 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 be 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 testing clamp is fixed on slide by upper nesting, be provided with chute in described slide, be provided with screw rod in described chute, and coordinating the nut that can slide along chute with screw rod, lower jaw is fixed on described nut by lower nesting, and puts in opposite directions with upper jaw, described screw rod stretches out the slide part and is connected with connecting rod, is equipped with binding post on described upper jaw and lower jaw.
Described connecting rod is connected by the bulb assembly with screw rod, described bulb assembly comprises the interior jointing seat of interlinking lever end, screw rod end and be installed on interior connector in interior jointing seat, be located at the outer globe joint of 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 the protrusion drive lugs, are provided with the groove that allows drive lugs swing in described interior jointing seat.
Described upper nesting is fixed on the interior upper sliding sleeve of slide, and can be with upper sliding sleeve along the inner runner movement of slide, described nut is fixed on the interior low sleeve of slide, and can be with the runner movement of bolt rotary along low sleeve inside, described low sleeve is connected with screw rod, and can be with screw rod synchronously along the chute internal motion of slide;
Drag-line one end is fixed on described upper nesting, and via being fixed in guide wheel on low sleeve, being fixed in the guide wheel at slide top, the other end is fixed on low sleeve successively;
When described connecting rod outwards pulls low sleeve and makes upper sliding sleeve walk to its end of travel, be provided with match wedge shape fixture block and button hole between the upper sliding sleeve of this position and slide;
Be equipped with recoil press spring between described upper nesting, lower nesting and slide (5).
Described binding post all is fixed on connecting rod, and utilizes respectively the wire via slide inside to be connected with lower jaw with described upper jaw.
Described upper jaw and lower jaw end face in opposite directions are provided with sawtooth, and the center is provided with the arc-shaped recess that matches 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 of the present invention testing clamp is light, durable in use, can effectively solve the drawback problem of common test pincers, realized work high above the ground fully, the risk that the operation of having avoided can't wiring having to because joint geometry is special climbing causes, the testing clamp jaw can free-open-close, can satisfy the wiring position different angles, different-thickness, the requirement of different-diameter, thereby satisfy electrical test such as loop resistance, the wiring requirement of the multiple pilot projects such as line parameter circuit value test, and guarantee that by the mode that the rotation screw thread clamps jaw place contact is large, contact is reliable, on-the-spot operating personnel's condition of work is greatly improved.
Description of drawings
The below is briefly described the content of every width accompanying drawing expression in instructions of the present invention and the mark in figure:
Fig. 1 is high-altitude testing clamp structural representation;
Fig. 2 is that the high-altitude testing clamp uses view;
The high-altitude testing clamp structural representation of Fig. 3 for having " 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
referring to Fig. 1 as can be known, 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, the interior hollow of slide 5 is chute, wherein a side outer wall is provided with opening along chute, be fixed with a screw rod 7 in chute, and coordinate the nut 6 that can slide along chute with screw rod 7, consist of lead screw transmission mechanism, screw rod 7 ends are fixed on slide 5 one ends (this end is defined as the bottom) and are stretched out and be connected with connecting rod 12 by this end, thereby pivot link 12 can make nut 6 move up and down along chute, upper nesting 1 is fixed in outside slide 5 other ends (this end is defined as the top), lower nesting 3 is fixed on nut 6 by slide 5 opening one sides, and upper jaw 2 and lower jaw 4 are put in opposite directions, can coordinate the clamping measured object, upper jaw 2 and lower jaw 4 end face in opposite directions are provided with sawtooth, to guarantee the stability of gripping objects, upper jaw 2 is controlled clamping with lower jaw 4 by lead screw transmission mechanism simultaneously, can guarantee to clamp measured object, avoid virtual connection to occur, guarantee to measure reliability, be provided with the center of lower jaw 4 arc-shaped recess that matches for wire gripper at upper jaw 2, such jaw is wire gripper or sheet material easily, highly versatile.
The upper nesting 1 of high-altitude testing clamp, lower nesting 3, slide 5 all adopt the high-quality stainless steel to make, and material is hard, greatly reduce the possibility of testing clamp fracture.Because testing clamp is used for the 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 convenient storage transportation, can increase and decrease as required connecting rod 12 joint numbers during use, satisfy the power taking needs of differing heights, connecting rod 12 is plastic bar, can alleviate like this weight of whole high-altitude testing clamp, facilitate the staff to operate, guarantee to use safety.
the high-altitude testing clamp in use, measured object all is not horizontally disposed with, therefore the jaw needs can be with the measured object angular transformation, connecting rod 12 is connected by the 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 ends, interior connector 10 both sides are provided with protrudes drive lugs and is arranged in interior jointing seat 11, and be provided with the groove that allows drive lugs swing in interior jointing seat 11, globe joint 8 is fixed on slide 5 bottoms, it is for hollow ball and interior connector 10 and interior jointing seat 11 are placed in its inside, globe joint fixed cover 9 is fixed on the end and is used for clamping globe joint 8.Such bulb modular construction can be so that pincers can be realized 360 ° of step-less adjustment angles as shown in Figure 2 in the circular cone scope of ± 45 °.
Because testing clamp can rotate, and in work high above the ground, if therefore upper jaw 2 all arranges on body with the binding post of lower jaw 4, after wiring, therefore cable affects test job, and the binding post with two jaws all is fixed on first joint connecting rod 12, and utilizes respectively the wire via slide 5 inside to be connected with lower jaw 4 with described upper jaw 2, can avoid the cable hanging swing like this, affect test job.
During use, operating personnel only need observe wiring position, roughly adjust the jaw angle, first save wiring on connecting rod 12 binding posts at head, then according to measured object height control connecting rod 12 joint numbers, then testing clamp is lifted, upper jaw 2 is ridden on measured object, rotation connecting rod 12,4 of lower jaws move on slowly thereupon, namely measured object can be clamped.
Embodiment 2
As embodiment 1 scheme, when completing clamping work by rotary screw 7, can there be following problem, owing to being the high-altitude clamping, aim at for convenience clamping, need a larger span of jaw, larger span of jaw needs to rotate for a long time connecting rod 12 and completes clamping, this just makes the staff need to lift for a long time connecting rod 12 rotations, and labour intensity is larger.Thus, on the basis of embodiment 1 " lead screw transmission mechanism structure-fine setting ", increase " coarse adjustment " scheme, consist of new technical scheme embodiment 2.
increase a upper sliding sleeve 14 and a low sleeve 15 in the chute of slide 5, and upper nesting 1 is fixed on upper sliding sleeve 14 by slide 5 opening parts, thereby 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 ends by the 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, when thereby screw rod 7 rotates with connecting rod 12, nut 6 can move up and down in low sleeve 15, low sleeve 15 is arranged in slide 5 chutes, the one side is provided with the fluting that matches with slide 5 openings, lower nesting 3 passes opening and fluting is fixed on nut 6, low sleeve 15 can be pulled out by slide 5 bottoms, along slide 5 runner movements.Pull with connecting rod 12 like this, low sleeve 15 slides at slide 5, can drive screw rod 7, nut 6 and lower nesting 3 synchronously along the chute internal motion of slide 5, and pivot link 12 can make lower nesting 3 move along opening and fluting low sleeve 15 is interior.
Utilize a drag-line that upper and lower two sliding sleeves are connected, realize pulling low sleeve 15 and can make two jaw move toward one another, reach " coarse adjustment " purpose, one end of drag-line is fixed on upper nesting 1, successively via being fixed in guide wheel on low sleeve 15, being fixed in the guide wheel at slide 5 tops, then the drag-line other end is fixed on low sleeve 15.Simultaneously offer one with upper sliding sleeve stroke groove in non-jaw one side of slide 5, the corresponding side of upper sliding sleeve 15 is provided with a slide block that stretches out the trip groove, can control by the trip groove the stroke of two sliding sleeves, and when the outside pulling low sleeve 15 of described connecting rod 12 makes upper sliding sleeve 14 walk to its end of travel, upper sliding sleeve 14 in this position is provided with 5 of slides 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.Nesting 3 under the testing clamp of high-altitude, the slide block that is connected with upper nesting 1 are all and be equipped with recoil press spring 13 between slide 5, recoil press spring 13 can help the low sleeve return, the recoil press spring 13 of same nesting 3 at present can also upwards push up lower nesting 3 in " fine setting ", further guarantees to clamp measured object.
during use, operating personnel only need observe wiring position, roughly adjust the jaw angle, first save wiring on connecting rod 12 binding posts at head, again according to measured object height control connecting rod 12 joint numbers, again testing clamp is lifted, with connecting rod 12, testing clamp being lifted 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 fasten, complete " coarse adjustment ", rotate again connecting rod 12, until upper jaw 1 and lower jaw 3 interlocks are tighter, complete " fine setting ", namely measured object can be clamped, detecting complete rear manual fixture block and button hole with fastening separates, retracing spring 13 can reset it automatically, treat to use next time.
The above is exemplarily described the present invention by reference to the accompanying drawings; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (8)
1. high-altitude testing clamp, it is characterized in that: the upper jaw of this testing clamp (2) is fixed on slide (5) by upper nesting (1), described slide is provided with chute in (5), be provided with screw rod (7) in described chute, and coordinate the nut (6) that can slide along chute with screw rod (7), 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), be equipped with binding post on described upper jaw (2) and lower jaw (4).
2. high-altitude according to claim 1 testing clamp, it is characterized in that: described connecting rod (12) is connected by the 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 be installed on interior connector (10) in interior jointing seat (11), be located at the outer globe joint (8) of interior jointing seat (11), be fixed on the globe joint fixed cover (9) in connecting rod (12) end clips holding joint (8), described interior connector (10) both sides are provided with the protrusion drive lugs, be provided with the groove that allows drive lugs swing in described interior jointing seat (11).
3. high-altitude according to claim 1 and 2 testing clamp, it is characterized in that: described upper nesting (1) is fixed on the interior upper sliding sleeve (14) of slide (5), and can be with upper sliding sleeve (14) along the inner runner movement of slide (5), described nut (6) is fixed on the interior low sleeve (15) of 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 be with screw rod (7) synchronously along the chute internal motion of slide (5);
Drag-line one end is fixed on described upper nesting (1), and via being fixed in guide wheel on low sleeve (15), being fixed in the guide wheel at slide (5) top, the other end is fixed on low sleeve (15) successively;
When described connecting rod (12) outwards pulls low sleeve (15) and makes upper sliding sleeve (14) walk to its end of travel, be provided with match wedge shape fixture block and button hole between the upper sliding sleeve (14) of this position and slide (5).
4. high-altitude according to claim 3 testing clamp, is characterized in that: be equipped with recoil press spring (13) between described upper nesting (1), lower nesting (3) and slide (5).
5. high-altitude according to claim 4 testing clamp, it is characterized in that: described binding post all is fixed on connecting rod (12), and utilizes respectively via the inner wire of slide (5) and be connected with lower jaw (4) with described upper jaw (2).
6. high-altitude according to claim 5 testing clamp is characterized in that: described upper jaw (2) and lower jaw (4) end face in opposite directions are provided with sawtooth, and the center is provided with the arc-shaped recess that matches for wire gripper.
7. high-altitude according to claim 6 testing clamp is characterized in that: described upper jaw (2) and upper nesting (1), and be equipped with insulating mat between lower jaw (4) and lower nesting (3).
8. according to claim 4,5,6 or 7 described high-altitude testing clamps, it 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 true CN103105512A (en) | 2013-05-15 |
| CN103105512B CN103105512B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310023945.0A Active CN103105512B (en) | 2013-01-23 | 2013-01-23 | High-altitude test clamp |
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| CN (1) | CN103105512B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728474A (en) * | 2013-12-31 | 2014-04-16 | 国家电网公司 | Upper air wiring clamp |
| CN104597291A (en) * | 2015-01-27 | 2015-05-06 | 广西大学 | High-altitude wiring and clamping device |
| CN104849518A (en) * | 2015-06-08 | 2015-08-19 | 国网山东龙口市供电公司 | High-altitude electrical test remote control wiring clamping apparatus |
| CN107576825A (en) * | 2017-08-21 | 2018-01-12 | 贵州电网有限责任公司 | A kind of reducing direct current, loop resistance test clip |
| 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 |
| CN112305271A (en) * | 2020-10-31 | 2021-02-02 | 贵州电网有限责任公司 | Electrified test appurtenance convenient to use |
| CN113030838A (en) * | 2021-03-25 | 2021-06-25 | 河南省计量科学研究院 | Electric energy meter calibrating installation of online area load examination |
| CN114323513A (en) * | 2021-12-29 | 2022-04-12 | 重庆长安新能源汽车科技有限公司 | Automobile-used bush rigidity testing arrangement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103728474A (en) * | 2013-12-31 | 2014-04-16 | 国家电网公司 | Upper air wiring clamp |
| CN104597291A (en) * | 2015-01-27 | 2015-05-06 | 广西大学 | High-altitude wiring and clamping device |
| CN104597291B (en) * | 2015-01-27 | 2017-09-29 | 广西大学 | Overhead wiring clamp device |
| CN104849518A (en) * | 2015-06-08 | 2015-08-19 | 国网山东龙口市供电公司 | High-altitude electrical test remote control wiring clamping apparatus |
| 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 |
| CN107576825A (en) * | 2017-08-21 | 2018-01-12 | 贵州电网有限责任公司 | A kind of reducing direct current, loop resistance test clip |
| 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 |
| CN112305271A (en) * | 2020-10-31 | 2021-02-02 | 贵州电网有限责任公司 | Electrified test appurtenance convenient to use |
| CN112305271B (en) * | 2020-10-31 | 2022-09-09 | 贵州电网有限责任公司 | Electrified test appurtenance convenient to use |
| CN113030838A (en) * | 2021-03-25 | 2021-06-25 | 河南省计量科学研究院 | Electric energy meter calibrating installation of online area load examination |
| CN113030838B (en) * | 2021-03-25 | 2024-02-02 | 河南省计量科学研究院 | Electric energy meter calibrating device for on-line on-load calibration |
| CN114323513A (en) * | 2021-12-29 | 2022-04-12 | 重庆长安新能源汽车科技有限公司 | Automobile-used bush rigidity testing arrangement |
| 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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|---|---|
| CN103105512B (en) | 2015-08-05 |
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