CN203069630U - High-altitude test clamp - Google Patents
High-altitude test clamp Download PDFInfo
- Publication number
- CN203069630U CN203069630U CN 201320034312 CN201320034312U CN203069630U CN 203069630 U CN203069630 U CN 203069630U CN 201320034312 CN201320034312 CN 201320034312 CN 201320034312 U CN201320034312 U CN 201320034312U CN 203069630 U CN203069630 U CN 203069630U
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- Prior art keywords
- slide
- fixed
- altitude
- connecting rod
- jaw
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a high-altitude test clamp. An upper jaw of the high-altitude test clamp is fixed on a slide seat through an upper clamp sleeve. The slide seat is internally provided with a chute. The chute is internally provided with a screw and a nut, wherein the nut is matched with the screw and can slide along the chute. A lower jaw of the high-altitude test clamp is fixed on the nut through a lower clamp sleeve and is arranged to be opposite to the upper jaw. One portion of the screw, extending out of the slide seat, is connected with a connecting rod. The upper jaw and the lower jaw are both provided with a binding post. With the high-altitude test clamp, disadvantages and problems of a common test clamp are effectively solved, high altitude operationalization is fully realized, risks of climbing high to operate as the shape of a contact is too special and wiring is unavailable are prevented, wiring requirements of electrical tests of various test items such as loop resistance and line parameter test can be met, and operating conditions for on-site operating personnel are greatly improved.
Description
Technical field
Carry out the unit clamp of patch when the utility model 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, pincers is installed on the dedicated operations bar of Len req again, finishes the free folding of jaw by pushing away, draw the dedicated operations bar.Though the operation of common high-altitude testing clamp is used convenient, laborsaving, owing to its design, structure show slightly simply, there is 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 binding post connects the electric current line on this moment, and following 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, phenomenon of rupture along with the testing clamp growth of service time, takes place in main part of the force when plastic material hangs back testing clamp clamping for lead again easily;
2, the common test pincers generally can not be adjusted jaw angle or classification adjustment in one direction, because work high above the ground, testing clamp can not change angle with hold assembly, feasible operation irregularity difficulty of holding the bar power taking;
3, common test pincers lower jaw hangs with an extension spring and links to each other 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 wearing out of spring, steel wire, can not guarantee effectively that by the push-and-pull control lever jaw contacts with the effective of wiring position, thereby influence the accuracy of test figure.In addition, if the too quickly also easy generation wire rope of careless push-and-pull pulls the accident of binding clip fracture;
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 finished wiring work.Testing crew obtains accurate test figure for accurately finishing 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 big, security is not high.
The utility model content
Technical problem to be solved in the utility model be realize a kind of can be reliably, easily from the unit clamp of high-altitude wiring.
To achieve these goals, the technical solution adopted in the utility model is: the upper jaw of a kind of high-altitude testing clamp is fixed on the slide by last pincers cover, be provided with chute in the described slide, be provided with screw rod in the described chute, and cooperating the nut that can slide along chute with screw rod, lower jaw is fixed on the described nut by pincers cover down, 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 the lower jaw.
Described connecting rod is connected by the bulb assembly with screw rod, described bulb assembly comprises the interior connection headstock of interlinking lever end, the screw rod end and be installed in connect interior connector in the headstock, connect the outer globe joint of headstock in being located at, be fixed on the globe joint fixed cover of interlinking lever end clamping globe joint, the connector both sides are provided with the protrusion drive lugs in described, and described interior the connection is provided with the groove that allows drive lugs swing in the headstock.
The described pincers cover of going up 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 screw rod rotation 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 the described pincers of going up and puts, and via being fixed in guide wheel on the low sleeve, being fixed in the guide wheel at slide top, the other end is fixed on the low sleeve successively;
When described connecting rod outwards pulls low sleeve and makes upper sliding sleeve walk to its end of travel, between the upper sliding sleeve of this position and slide, be provided with match wedge shape fixture block and button hole;
Described going up between pincers cover, following pincers cover and the slide (5) is equipped with recoil press spring.
Described binding post all is fixed on the connecting rod, and utilizes the lead via slide inside to be connected with lower jaw with described upper jaw respectively.
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 last pincers cover, and be equipped with insulating mat between lower jaw and the following pincers cover.
Described connecting rod is provided with more piece, and can connect from beginning to end or dismantle each other.
High-altitude of the present utility model testing clamp is light, durable in use, can effectively solve the drawback problem of common test pincers, realized work high above the groundization 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 folding, 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 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 pressure is big, contact is reliable, and on-the-spot operating personnel's condition of work is greatly improved.
Description of drawings
Below the content of every width of cloth accompanying drawing expression in the utility model instructions and the mark among the figure are made brief description:
Fig. 1 is high-altitude testing clamp structural representation;
Fig. 2 uses view for the high-altitude testing clamp;
The high-altitude testing clamp structural representation of Fig. 3 for having " coarse adjustment school " function;
Mark among the above-mentioned figure is: 1, go up the pincers cover; 2, upper jaw; 3, pincers overlap down; 4 lower jaws; 5, slide; 6, nut; 7, screw rod; 8, globe joint; 9, globe joint fixed cover; 10, interior connector; 11, interior connection headstock; 12; Connecting rod; 13, recoil press spring; 14, upper sliding sleeve; 15, low sleeve
Embodiment
Referring to Fig. 1 as can be known, upper jaw 2 and lower jaw 4 are individually fixed in pincers cover 1 and clamp in the cover 3 down, above-mentioned upper jaw 2 and last pincers cover 1, and be equipped with insulating mat between lower jaw 4 and the following pincers cover 3, to keep insulation, this testing clamp is provided with the slide 5 of a strip, hollow is chute in the slide 5, wherein a side outer wall is provided with opening along chute, a screw rod 7 is fixedly arranged in the chute, and cooperate the nut 6 that can slide along chute with screw rod 7, constitute 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, last pincers cover 1 is fixed in outside slide 5 other ends (this end is defined as the top), following pincers cover 3 is fixed on the nut 6 by slide 5 openings one side, and upper jaw 2 and lower jaw 4 are put in opposite directions, can cooperate 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 take place, guarantee to measure reliability, be provided with the arc-shaped recess that matches for wire gripper at upper jaw 2 with the center of lower jaw 4, such jaw is wire gripper or sheet material easily, highly versatile.
Going up of high-altitude testing clamp clamps cover 1, pincers cover 3, slide 5 all adopt the making of high-quality stainless steel down, and material is hard, greatly reduces 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 connecting rod 12 joint numbers as required during use, satisfy the power taking needs of differing heights, connecting rod 12 is plastic bar, can alleviate the weight of whole high-altitude testing clamp like this, make things convenient for 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, in comprising, this bulb assembly connects headstock 11, interior connector 10, globe joint 8 and globe joint fixed cover 9, interior connector 10 is connected with the interior headstock 11 that is connected, 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 installed in interior the connection in the headstock 11, allow the groove of drive lugs swing and be provided with in the interior connection headstock 11, globe joint 8 is fixed on slide 5 bottoms, it places its inside for hollow ball and with interior connector 10 with the interior headstock 11 that is connected, and 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 ± 45 ° circular cone scope.
Because testing clamp can rotate, and in work high above the ground, therefore if the binding post of upper jaw 2 and lower jaw 4 all arranges on the body, then after the wiring, cable influences test job, and therefore the binding post with two jaws all is fixed on the first joint connecting rod 12, and utilizes the lead via slide 5 inside to be connected with lower jaw 4 with described upper jaw 2 respectively, can avoid like this that cable is unsettled to be rocked, influence test job.
During use, operating personnel only need observe wiring position, roughly adjust the jaw angle, earlier save wiring on connecting rod 12 binding posts at head, according to measured object height control connecting rod 12 joint numbers, again testing clamp is lifted again, upper jaw 2 is ridden on the measured object, rotation connecting rod 12,4 of lower jaws move on slowly thereupon, namely measured object can be clamped.
As embodiment 1 scheme, when finishing clamping work by rotary screw 7, can there be following problem, owing to be the high-altitude clamping, for the clamping of convenient aligning, need a bigger span of jaw, bigger span of jaw then needs to rotate for a long time connecting rod 12 and finishes clamping, this just makes the staff need lift connecting rod 12 rotations for a long time, and labour intensity is bigger.Thus, on the basis of embodiment 1 " lead screw transmission mechanism structure-fine setting ", increase " coarse adjustment " scheme, constitute new technical scheme embodiment 2.
In the chute of slide 5, increase a upper sliding sleeve 14 and a low sleeve 15, and will go up pincers cover 1 and be fixed on the upper sliding sleeve 14 by slide 5 opening parts, thereby last pincers cover 1 can move up and down along slide 5 inner chutes 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 installed in the 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, following pincers cover 3 passes opening and fluting is fixed on the 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, then can drive screw rod 7, nut 6 and clamp cover 3 down synchronously along the chute internal motion of slide 5, and pivot link 12 then can make down pincers cover 3 move along opening and fluting in low sleeve 15.
Utilize a drag-line that upper and lower two sliding sleeves are connected, realize to pull low sleeve 15 and can make two jaw move toward one another, reach " coarse adjustment " purpose, one end of drag-line is fixed on the pincers cover 1, via being fixed in guide wheel on the low sleeve 15, being fixed in the guide wheel at slide 5 tops, again the drag-line other end is fixed on the low sleeve 15 successively.Simultaneously offer one with upper sliding sleeve stroke groove in slide 5 non-jaw one sides, upper sliding sleeve 15 corresponding sides are provided with a slide block that stretches out the trip groove, can be by the stroke of two sliding sleeves of the trip groove control, and when described connecting rod 12 outside pulling low sleeves 15 make upper sliding sleeve 14 walk to its end of travel, upper sliding sleeve 14 in this position is provided with match wedge shape fixture block and button hole with 5 of slides, when this position, upper sliding sleeve 14 is fixing dead, namely finish " coarse adjustment " work, and wait for cooperation " fine setting " clamping in this position.Pincers overlap 3, overlap 1 slide block that is connected all and be equipped with recoil press spring 13 between the slide 5 with last pincers under the testing clamp of high-altitude, recoil press spring 13 can help slide down cover return, can also in " fine setting ", will descend pincers cover 3 upwards to push up with the recoil press spring 13 that clamps cover 3 at present, further guarantee to clamp measured object.
During use, operating personnel only need observe wiring position, roughly adjust the jaw angle, earlier save wiring on connecting rod 12 binding posts at head, according to measured object height control connecting rod 12 joint numbers, again testing clamp is lifted again, with connecting rod 12 testing clamp is lifted and make upper jaw 1 a little more than measured object, upper jaw 1 is tangled measured object, connecting rod 12 pulled down to the fixture block of upper sliding sleeve 14 and button hole fasten, finish " coarse adjustment ", rotate connecting rod 12 again, tighter until upper jaw 1 and lower jaw 3 interlocks, finish " fine setting ", namely measured object can be clamped, detect the back that finishes and manually fixture block and the button hole that fastens separated, retracing spring 13 can reset it automatically, treats to use next time.
By reference to the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (8)
1. high-altitude testing clamp, it is characterized in that: the upper jaw of this testing clamp (2) is fixed on the slide (5) by last pincers cover (1), described slide is provided with chute in (5), be provided with screw rod (7) in the described chute, and cooperate the nut (6) that can slide along chute with screw rod (7), lower jaw (4) is fixed on the described nut (6) by clamping cover (3) down, 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), is equipped with binding post on described upper jaw (2) and the 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 connection headstock (11) of connecting rod (12) end, screw rod (7) end and be installed in connect interior connector (10) in the headstock (11), connect the outer globe joint (8) of headstock (11) in being located at, be fixed on the globe joint fixed cover (9) in connecting rod (12) end clips holding joint (8), connector (10) both sides are provided with the protrusion drive lugs in described, and described interior the connection is provided with the groove that allows drive lugs swing in the headstock (11).
3. high-altitude according to claim 1 and 2 testing clamp, it is characterized in that: the described pincers covers (1) of going up are 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 going up on the pincers covers (1), and via being fixed in guide wheel on the low sleeve (15), being fixed in the guide wheel at slide (5) top, the other end is fixed on the 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, between the upper sliding sleeve (14) of this position and slide (5), be provided with match wedge shape fixture block and button hole.
4. high-altitude according to claim 3 testing clamp is characterized in that: describedly go up pincers covers (1), be equipped with recoil press spring (13) between pincers covers (3) and the slide (5) down.
5. high-altitude according to claim 4 testing clamp, it is characterized in that: described binding post all is fixed on the connecting rod (12), and utilizes respectively via the inner lead 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 last pincers cover (1), and lower jaw (4) overlaps between (3) with pincers down and is equipped with insulating mat.
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 |
|---|---|---|---|
| CN 201320034312 CN203069630U (en) | 2013-01-23 | 2013-01-23 | High-altitude test clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320034312 CN203069630U (en) | 2013-01-23 | 2013-01-23 | High-altitude test clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069630U true CN203069630U (en) | 2013-07-17 |
Family
ID=48768402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320034312 Expired - Lifetime CN203069630U (en) | 2013-01-23 | 2013-01-23 | High-altitude test clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203069630U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105512A (en) * | 2013-01-23 | 2013-05-15 | 安徽省电力公司芜湖供电公司 | High-altitude test clamp |
| CN104535804A (en) * | 2014-12-31 | 2015-04-22 | 国家电网公司 | Portable current transformer test clamp |
| CN104849516A (en) * | 2015-05-18 | 2015-08-19 | 广西大学 | Hydraulic clamping overhead wiring testing device |
| 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 |
-
2013
- 2013-01-23 CN CN 201320034312 patent/CN203069630U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105512A (en) * | 2013-01-23 | 2013-05-15 | 安徽省电力公司芜湖供电公司 | High-altitude test clamp |
| CN103105512B (en) * | 2013-01-23 | 2015-08-05 | 国家电网公司 | High-altitude test clamp |
| CN104535804A (en) * | 2014-12-31 | 2015-04-22 | 国家电网公司 | Portable current transformer test clamp |
| CN104849516A (en) * | 2015-05-18 | 2015-08-19 | 广西大学 | Hydraulic clamping overhead wiring testing device |
| CN104849516B (en) * | 2015-05-18 | 2017-06-23 | 广西大学 | A kind of hydraulic clamp high-altitude wiring test device |
| 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 |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: STATE GRID WUHU POWER SUPPLY CO., LTD. OF ANHUI ELECTRIC POWER CO., LTD. Effective date: 20140507 Owner name: STATE GRID WUHU POWER SUPPLY CO., LTD. OF ANHUI EL Effective date: 20140507 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: STATE GRID WUHU POWER SUPPLY CO., LTD. OF ANHUI EL Free format text: FORMER NAME: ANHUI ELECTRIC POWER CORPORATION, WUHU POWER SUPPLY COMPANY |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 241000 WUHU, ANHUI PROVINCE TO: 100031 XICHENG, BEIJING |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 241000 Zhongshan North Road, Jinghu, Anhui, No. 18, Patentee after: STATE GRID ANHUI WUHU POWER SUPPLY Co. Address before: 241000 Zhongshan North Road, Jinghu, Anhui, No. 18, Patentee before: ANHUI WUHU POWER SUPPLY Co. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140507 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: STATE GRID ANHUI WUHU POWER SUPPLY Co. Address before: 241000 Zhongshan North Road, Jinghu, Anhui, No. 18, Patentee before: STATE GRID ANHUI WUHU POWER SUPPLY Co. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130717 Effective date of abandoning: 20150805 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130717 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant |