CN209542661U - A kind of D.C. resistance test clamp - Google Patents
A kind of D.C. resistance test clamp Download PDFInfo
- Publication number
- CN209542661U CN209542661U CN201821980884.1U CN201821980884U CN209542661U CN 209542661 U CN209542661 U CN 209542661U CN 201821980884 U CN201821980884 U CN 201821980884U CN 209542661 U CN209542661 U CN 209542661U
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- China
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- fingertip
- positioning device
- resistance test
- bifurcated
- clamping device
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Abstract
The utility model discloses a kind of D.C. resistance test clamps, including conduction, front end has the positioning device of bifurcation structure, clamping device is fixed on one bifurcated of the front end of positioning device, another bifurcated of the front end of positioning device is equipped with fingertip, the bifurcated of the front end of one end and positioning device of fingertip is fixedly connected, and the other end can be clamped on clamping device again.Fingertip and clamping device is arranged in the utility model, positioning device and fingertip can be allowed directly to contact with sleeved conducting rod, and contact stress is provided by the elastic deformation force that fingertip deformation generates, greatly reduce the contact resistance of positioning device and sleeved conducting rod, has the characteristics that the problems such as simple easy to operate, structure, reliable operation, contact are good, avoid long power off time caused by taking out stitches, heavy workload.
Description
Technical field
The utility model relates to a kind of D.C. resistance test clamps.
Background technique
D.C. resistance test is the coils class equipment such as transformer, reactor after handover, overhaul and changing tap switch, must
Indispensable pilot project, purpose are typically all: whether there is or not turn-to-turn short circuits for the welding quality and winding for checking winding joint；Tap is opened
Whether whether good and tap switch the physical location of each position contact closed is consistent with indicating positions；Whether there is or not disconnected for lead-out wire
It splits；Stranded conductor and around winding whether have stranded situation etc..Influence and sleeved conducting rod due to terminal plate screw
Diameter is too big, and existing D.C. resistance test clamp can not be clamped directly on terminal plate or conducting rod, therefore, in order to accurately survey
The D.C. resistance for measuring winding, needs to remove terminal plate, since the casing of transformer or reactor is more, and removes bushing
Sometimes for high altitude vehicle, it is long that these factors cause D.C. resistance test job time length, heavy workload, power off time, influences
The reliability of working efficiency and power grid.
Utility model content
The utility model provides a kind of D.C. resistance test clamp, can be in the case where not taking out stitches quickly to casing conduction
Bar carries out wiring.
In order to achieve the above objectives, the embodiments of the present invention adopt the following technical scheme that
A kind of D.C. resistance test clamp, including conduction, front end have the positioning device of bifurcation structure, the positioning dress
Clamping device is fixed on one bifurcated of the front end set, another bifurcated of the front end of the positioning device is equipped with touching
Refer to, one end of the fingertip is fixedly connected with the bifurcated of the front end of the positioning device, and the other end can be clamped in the folder again
On tight device.
Further, the fingertip is screw-contact or watchband-shaped contactor, the flexible deformation that the fingertip deformation generates
Power provide contact stress, greatly reduce contact resistance, have the characteristics that structure simply, reliable operation.
Further, the entirety of the positioning device is in y-type structure, and the bifurcation structure of front end is equipped with the end face of arc,
Rear end is equipped with bolt.The curved end of front end can be in close contact with the side of sleeved conducting rod, be bonded；The bolt of rear end is convenient for
Connecting test conducting wire.
Further, the clamping device is spring clip, has the characteristics that fold up freely.
Further, the material of the fingertip and positioning device is beryllium copper, and beryllium copper is the height that performance is best in copper alloy
One of grade resilient material, there is very high intensity, elasticity, hardness, fatigue strength, anti-corrosion, wear-resisting, highly conductive, nonmagnetic etc. one
Series excellent physics, chemistry and mechanical property.
The beneficial effects of the utility model are: the utility model setting fingertip and clamping device, can allow positioning device and
Fingertip is directly contacted with sleeved conducting rod, and provides contact stress by the elastic deformation force that fingertip deformation generates, and fills positioning
It sets and is greatly reduced with the contact resistance of sleeved conducting rod, with easy to operate, structure is simple, reliable operation, contacts the spies such as good
Point avoids the problems such as taking out stitches long caused power off time, heavy workload.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described.
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model；
Fig. 2 is that a kind of implementation diagram of embodiment of the utility model (overlooks visual angle, component to be tested only shows casing and leads
Electric pole)；
Fig. 3 is a kind of implementation diagram of embodiment of the utility model (main view visual angle).
Wherein, label as shown in the figure are as follows: 1: fingertip, 2: positioning device, 3: clamping device, 4: sleeved conducting rod, 5: test
Conducting wire.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1, a kind of D.C. resistance test clamp provided by the utility model, including fingertip 1,2 and of positioning device
Clamping device 3.
With continued reference to Fig. 1, the front end of positioning device 2 has bifurcation structure, leads on a bifurcated of the front end of positioning device 2
It crosses bolt and is fixed with clamping device 3, fingertip is fixed with by welding manner on another bifurcated of the front end of positioning device 2
1, one end of fingertip 1 is fixedly connected with the bifurcated of the front end of positioning device 2, and the other end can be clamped on clamping device 3 again.It is fixed
Position device 2 is conductive, can be made of conductive metal, such as one of aluminium, aluminium alloy, copper or copper alloy, conductive positioning
The component that device 2 enables the test lead of external test equipment to be connected by positioning device 2 with positioning device 2 is (as covered
Pipe conducting rod) it is shorted, to realize the test that is powered.In this preferred embodiment, the material of positioning device 2 is beryllium copper, and beryllium copper is copper
Best one of the advanced resilient material of performance in alloy, have very high intensity, elasticity, hardness, fatigue strength, it is anti-corrosion, wear-resisting,
A series of excellent physics such as highly conductive, nonmagnetic, chemistry and mechanical property.
In use, referring to figure 2. and Fig. 3, the front end bifurcated end face of positioning device 2 is leaned against on sleeved conducting rod 4, position
The end face of the front end of device 2 is in contact with sleeved conducting rod 4, and fingertip 1 is bypassed and is entangled on sleeved conducting rod 4, and fingertip 1 occurs
Slight deformation (such as length or thickness change) then clamps fingertip 1 by clamping device 3, by instrument for measuring DC resistance
Test lead 5 is connected in positioning device 2, can carry out test.When disassembly, clamping device 3 only need to be unclamped, so that fingertip 1 is detached from
Clamping device 3 can remove the utility model from sleeved conducting rod 4.
Fingertip 1 is bypassed the portion that clamping device 2 contacts when use by setting fingertip 1 and clamping device 2 by the utility model
Part, such as sleeved conducting rod, then the free end of fingertip 1 is clamped on clamping device 3, at this point, positioning device 2 and fingertip can allow
1 directly contacts with sleeved conducting rod, solves traditional D.C. resistance test clamp due to dimensional problem, can not be clamped directly at
Situation on terminal plate or conducting rod, and deform the elastic deformation force that (fingertip 1 is in tension) generates by fingertip 1 and provide
Contact stress greatly reduces positioning device 2 and the contact resistance of sleeved conducting rod, with easy to operate, structure is simple, work
Reliably, the problems such as contacting the features such as good, avoiding long power off time caused by taking out stitches, heavy workload.
Preferably, fingertip 1 is screw-contact or watchband-shaped contactor.In this preferred embodiment, fingertip 1 selects spiral
The form of spring, one end of fingertip 1 are fixed in positioning device 2, and the other end is clamped by clamping device 3.Fingertip deformation generates
Elastic deformation force provide contact stress, greatly reduce contact resistance, have the characteristics that structure simply, reliable operation.
Fig. 1 is please referred to, the entirety of positioning device 2 is in y-type structure, and the bifurcation structure of front end is equipped with the end face of arc, after
End is equipped with bolt.The curved end of the front end of positioning device 2 can be in close contact with the side of sleeved conducting rod, be bonded, so as to
In the contact resistance for reducing positioning device 2 and sleeved conducting rod；And front end and the sleeved conducting rod of the positioning device 2 of fitting, energy
Enough it is conducive to positioning device 2 in the firm installation of sleeved conducting rod.The bolt of 2 rear end of positioning device is convenient for connecting test conducting wire, with
Convenient for simplifying operation.
Clamping device 3 is preferably spring clip, and spring clip structure is simple, is easily obtained, and clamping force is strong, and easy to operate, just
In under the premise of guaranteeing to clamp fingertip 1, the clamping and disassembly of fingertip 1 are fast implemented.
The material of fingertip 1 is beryllium copper, and beryllium copper is one of the advanced resilient material that performance is best in copper alloy, is had very high
A series of excellent physics such as intensity, elasticity, hardness, fatigue strength, anti-corrosion, wear-resisting, highly conductive, nonmagnetic, chemistry and mechanics
Performance.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described
Subject to scope of protection of the claims.
Claims (5)
1. a kind of D.C. resistance test clamp, it is characterised in that: including conduction, front end has the positioning device of bifurcation structure
(2), it is fixed with clamping device (3) on a bifurcated of the front end of the positioning device (2), before the positioning device (2)
Another bifurcated at end is equipped with fingertip (1), and the bifurcated of the front end of one end and positioning device (2) of the fingertip (1) is solid
Fixed connection, the other end can be clamped in again on the clamping device (3).
2. a kind of D.C. resistance test clamp according to claim 1, it is characterised in that: the fingertip (1) is spiral bullet
Spring fingertip or watchband-shaped contactor.
3. a kind of D.C. resistance test clamp according to claim 1, it is characterised in that: the positioning device (2) it is whole
Body is in y-type structure, and the bifurcation structure of front end is equipped with the end face of arc, and rear end is equipped with bolt.
4. a kind of D.C. resistance test clamp according to claim 1, it is characterised in that: the clamping device (3) is bullet
Spring folder.
5. a kind of D.C. resistance test clamp according to claim 1, it is characterised in that: the fingertip (1) and positioning dress
The material for setting (2) is beryllium copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821980884.1U CN209542661U (en) | 2018-11-29 | 2018-11-29 | A kind of D.C. resistance test clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821980884.1U CN209542661U (en) | 2018-11-29 | 2018-11-29 | A kind of D.C. resistance test clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209542661U true CN209542661U (en) | 2019-10-25 |
Family
ID=68262449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821980884.1U Active CN209542661U (en) | 2018-11-29 | 2018-11-29 | A kind of D.C. resistance test clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209542661U (en) |
-
2018
- 2018-11-29 CN CN201821980884.1U patent/CN209542661U/en active Active
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