CN112462093A - Device for outdoor testing of resistance of conductive circuit of circuit breaker - Google Patents
Device for outdoor testing of resistance of conductive circuit of circuit breaker Download PDFInfo
- Publication number
- CN112462093A CN112462093A CN202011081768.8A CN202011081768A CN112462093A CN 112462093 A CN112462093 A CN 112462093A CN 202011081768 A CN202011081768 A CN 202011081768A CN 112462093 A CN112462093 A CN 112462093A
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- China
- Prior art keywords
- connecting rod
- circuit breaker
- resistance
- clamping
- rod body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
Abstract
The invention discloses a device for outdoor testing of a conductive loop resistor of a circuit breaker, which comprises a test clamp, a first clamping handle, a second clamping handle and a chuck, and further comprises: the connecting rod body is connected with the first clamping handle, and a gap is formed between the connecting rod body and the first clamping handle; the pneumatic clamping power part is connected with the connecting rod body and the second clamping handle; the rotary insulating rod is connected with the connecting piece in a connection mode. The invention is suitable for testing the resistance of the conductive circuit of the outdoor breaker, and workers can clamp the wire clamp at the wire inlet and outlet ends of the breaker without climbing the breaker.
Description
Technical Field
The invention relates to the field of power transformation overhauling and maintenance, in particular to a device for testing the resistance of a conductive circuit of a circuit breaker outdoors.
Background
When the test of outdoor circuit breaker conductive loop resistance is carried out, the test clamp is required to be clamped at the wire inlet and outlet end of the circuit breaker, 35kV-110kV circuit breaker workers need to climb the circuit breaker, and the circuit breaker with the voltage of 220kV or above needs to use an aerial work vehicle to send the workers into the high altitude for clamping. Therefore, high-altitude dangerous accidents are easy to happen.
Disclosure of Invention
In view of the above, the present invention provides an apparatus for testing resistance of a conductive circuit of a circuit breaker outdoors, which can complete clamping of a wire clamp at an incoming/outgoing line end of the circuit breaker without climbing the circuit breaker when a worker stands on the ground.
The purpose of the invention is realized by the following technical scheme:
an apparatus for outdoor testing of a circuit breaker conductive loop resistance, comprising a test clip, the test clip comprising a first clamping handle, a second clamping handle and a collet, further comprising:
the connecting rod body is connected with the first clamping handle, and a gap is formed between the connecting rod body and the first clamping handle;
the pneumatic clamping power part is connected with the connecting rod body and the second clamping handle;
the rotary insulating rod connection connecting piece is connected with the connecting rod body;
when the pneumatic clamping power part blows gas, the gradual distance between the first clamping handle and the second clamping handle is reduced, and the chuck is opened; when the pneumatic clamping power part is deflated, the distance between the first clamping handle and the second clamping handle is gradually increased, and the chuck is gradually closed.
Further, the pneumatic clamping power part comprises an air bag, and the air bag is located between the connecting rod body and the first clamping handle.
Further, the air bag is located inside the cloth bag, and the cloth bag enables the connecting rod body and the first clamping handle to be tightly connected.
Further, the bag-type clamping device further comprises a binding belt for connecting the second clamping handle with the cloth bag.
Furthermore, the one end that the second centre gripping handle kept away from the chuck is equipped with the extension section, the extension section along its axis direction be equipped with in proper order a plurality of with the hole of binding tape adaptation.
Furthermore, the air bag device also comprises a hose connected with an air port of the air bag, and one end of the hose, which is far away from the air bag, is provided with a hand-held air bag.
Further, the length of the hose is matched with the height of the circuit breaker to be tested from the ground.
Further, the rotary insulating rod connection connector comprises a block body with a hoop and an insulating connecting rod matched with the block body in a threaded mode, and the hoop is movably connected with the connecting rod body.
Furthermore, a fixing belt loop is arranged on the inner side surface of the cloth bag, and part of the connecting rod body is arranged between the fixing belt loop and the cloth bag.
Furthermore, the outer side surface of the cloth bag is provided with a plurality of connecting belt loops matched with the binding belt.
The invention has the beneficial effects that:
the invention is suitable for testing the resistance of the conductive circuit of the outdoor breaker, the breaker does not need to be climbed, the working personnel can finish the wire clamp to be clamped at the wire inlet and outlet ends of the breaker when standing on the ground, and the invention also has the following advantages:
1. is convenient to carry;
2. the test clamp is pressed open by air pressure, so that time and labor are saved;
3. the inflatable air bag is small and exquisite and can be inflated and deflated flexibly;
4. the hand holding is comfortable by inflating and deflating, and the working efficiency of a man machine is met;
5. the air bag has simple structure, light weight and convenient replacement.
6. Simple manufacture and convenient mass production.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a connection connecting piece for the test clamp, the connection rod body, the extension section and the rotary insulating rod;
FIG. 3 is a schematic view of the assembled structure of FIG. 2;
FIG. 4 is a schematic view of the assembled structure of FIG. 2 with a cloth bag;
fig. 5 is a schematic view of the assembled structure of fig. 2 with the bladder.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "length", "circumferential", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected or detachably connected, or integrated; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
This embodiment has provided a device for outdoor test circuit breaker conductive loop resistance, is carrying out the test operation of outdoor circuit breaker conductive loop resistance, and the staff can stand and can accomplish the work that the fastener presss from both sides the business turn over terminal that attaches at the circuit breaker on ground without climbing the circuit breaker.
As shown in fig. 1-3, including test clip 1, a torsion spring (not shown) is provided between first grip handle 11 and second grip handle 12 for the prior art, and when an external force is applied to reduce the distance between first grip handle 11 and second grip handle 12, jaw 13 opens. And the test clip 1 has upper and lower terminals (not shown).
The connecting rod body 2 is connected with the first clamping handle 11, and there is the interval between the two, and is concrete, can make both connect through the connecting plate, and the size of interval distance is the radial or axial length (depending on mounting means) of connecting plate, and the connecting plate all adopts welded connected mode with the connecting rod body 2 and first clamping handle 11.
Or a small region of the connection rod 2 is connected to a middle region of the collet 13 and the first and second grip handles 11 and 12, which is a region that does not move when the collet 13, the first grip handle 11 and the second grip handle 12 move relative to each other, i.e., a fixed region, so that the connection rod 2 is at least partially spaced apart from the first grip handle 11. The structure is not limited by the accompanying drawings, and it is within the scope of the present invention that the connection rod 2 is spaced from the first clamping handle 11 (at least partially) and the connection rod 2 is fixed.
Rotate insulator spindle and refute connector 3 and be connected with the connecting rod body 2, it is specific, rotate insulator spindle and refute connector 3 including block 31 and with block 31 screw-thread fit's insulating connecting rod 33, the side of insulating connecting rod 33 has the external screw thread, the block 31 has the internal thread with the junction of insulating connecting rod 33, external screw thread and internal thread looks adaptation for when rotating block 31 and insulating connecting rod 33 arbitrary, insulating connecting rod 33 can make reciprocating motion in the axial direction.
The insulating connecting rod 33 is used for being connected with the insulating rod, so the bottom of the insulating connecting rod 33 is provided with a connecting piece connected with the insulating rod in a connecting mode, and meanwhile the connecting length of the Yubei insulating rod of the insulating connecting rod 33 can be adjusted through threaded fit.
The block 31 is provided with an anchor ear 32 for connecting with the connecting rod body 2, and the anchor ear 32 is provided with two inner hexagons for tightly connecting the anchor ear 32 with the connecting rod body 2 and further locking.
The anchor ear 32 is provided on the block 31, which is a way to connect the connecting rod 2 and the block 31, and in at least one embodiment, the connecting rod 2 can be in threaded fit with the block 31 to achieve the technical purpose of connection; in at least one embodiment, the connecting rod body 2 can be connected to the block 31 in a dovetail manner.
Above-mentioned design has realized rotating the insulator spindle and has refuted the swing joint that connects connector 3 and test clamp 1, has played the advantage of convenient storage and accomodating, has fine convenience, can adjust insulating connecting rod 33 simultaneously in a flexible way for the length that stretches out of block 31.
The pneumatic clamping power part 6 is used as a mechanism for providing clamping power, and can control the first clamping handle 11 and the second clamping handle 12 in a remote control mode, so that the distance between the first clamping handle and the second clamping handle becomes smaller, the clamping head 13 is further controlled to be opened, and the clamping action of the test clamp 1 is realized.
Namely, when the pneumatic clamping power part 6 blows air, the gradual distance between the first clamping handle 11 and the second clamping handle 12 is reduced, and the clamping head 13 is opened; when the pneumatic clamping power part 6 is deflated, the distance between the first clamping handle 11 and the second clamping handle 12 is gradually increased, and the chuck 13 is gradually closed.
In order to cooperate with the pneumatic clamping power part 6, an extension section 4 is arranged at the bottom end of the second clamping handle 12, the extension section 4 is an extension part of the second clamping handle 12 and is welded with the second clamping handle 12, and the extension section 4 can be in a rod shape or a plate shape, and the shape of the extension section is not limited by the attached drawings. A plurality of holes 5 are provided in the extension 4 in this order along the axial direction thereof.
As shown in fig. 1 and 4-5, the pneumatic clamping power portion 6 includes an air bag 66, the air bag 66 is disposed between the first clamping handle 11 and the connecting rod body 2, the air bag 66 has a better sealing property and has a gas port, when gas enters the air bag 66 through the gas port, the air bag 66 is gradually inflated, when the gas is deflated, the gas slowly flows out through the gas port, and the volume of the air bag 66 is gradually reduced.
The air bag 66 is arranged inside the cloth bag 64, as shown in fig. 4, a fixing belt loop 65 is arranged on the inner side surface of the cloth bag 64, and part of the connecting rod body 2 is arranged between the fixing belt loop 65 and the cloth bag 64, namely, part of the connecting rod body 2 is inserted between the fixing belt loop 65 and the cloth bag 64, so that the air bag 66 and the test clip 1 are fixed together, and displacement is avoided when the air bag 66 is inflated.
Through convolution sack 64, wrap up first centre gripping handle 11 and the connecting rod body 2 to it is fixed, make partial first centre gripping handle 11 and the connecting rod body 2 be located the sack 64 inside, and then make first centre gripping handle 11 and the connecting rod body 2 zonulae occludens.
A plurality of connecting belt loops (not shown in the figure) which are sequentially arranged are arranged on the outer side surface of the cloth bag 64, the connecting belt loops are connected with the holes 5 through the binding belts 61 (the binding belts 61 are matched with the holes 5 and the connecting belt loops), and two rope ends are knotted to realize the connection of the cloth bag 64 and the second clamping handle 12.
Meanwhile, the extension section 4 is not needed, and the second clamping handle 12 is arranged to be long enough, so that a plurality of holes 5 matched with the binding belts 61 are formed in the positions corresponding to the cloth bags 64, and the technical purpose can be achieved.
This structural design, when gasbag 66 aerifys, because of sack 64 and the restriction of binding area 61 to gasbag 66 is power, compels to make first centre gripping handle 11 and second centre gripping handle 12 overcome torsion spring's effect, makes distance between them diminish, and then can open chuck 13, and on the contrary when disappointing, chuck 13 closes under torsion spring's effect.
The air port of the air bag 66 is connected with a hose 62, the length of the hose 62 is matched with the height of the breaker to be tested from the ground, and the other end of the hose 62 is connected with a hand-held inflating bag 63 for pumping gas and discharging air (a deflation valve is arranged on the hand-held inflating bag 63).
Meanwhile, an air pump can be used for replacing the hand-held air inflating bag 63, only the air valve is needed to be arranged on the hose 62, the time for sending air can be shortened, but the hand-held air inflating bag 63 also has the advantages of easiness in storage and convenience in operation, and therefore the hand-held air inflating bag 63 is preferred.
During the use, refute test clamp 1 and rotate the insulator spindle and connect connector 3 and connect according to the mode as shown in fig. 3, go up the voltage terminal of test wire, the current terminal respectively on the upper and lower wiring terminal of test clamp 1, be connected hose 62, hand-held type and beat the gas port of gasbag 63 and gasbag 66, and inspect the gas tightness of hose 62, after the no problem, refute the insulator spindle of fit for length (quantity is decided according to the height of the circuit breaker apart from ground that needs the test), then refute a plurality of insulator spindles that will refute and insulating connecting rod 33, send test clamp 1 into appointed height, start hand-held type and beat gasbag 63, open chuck 13 and press from both sides tightly.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and the present invention should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a device for outdoor test circuit breaker conductive loop resistance, includes the test clip, the test clip includes first centre gripping handle, second centre gripping handle and chuck, its characterized in that: further comprising:
the connecting rod body is connected with the first clamping handle, and a gap is formed between the connecting rod body and the first clamping handle;
the pneumatic clamping power part is connected with the connecting rod body and the second clamping handle;
the rotary insulating rod connection connecting piece is connected with the connecting rod body;
when the pneumatic clamping power part blows gas, the gradual distance between the first clamping handle and the second clamping handle is reduced, and the chuck is opened; when the pneumatic clamping power part is deflated, the distance between the first clamping handle and the second clamping handle is gradually increased, and the chuck is gradually closed.
2. The apparatus for outdoor testing of the resistance of the conductive loop of a circuit breaker of claim 1, wherein: the pneumatic clamping power part comprises an air bag, and the air bag is located between the connecting rod body and the first clamping handle.
3. The apparatus for outdoor testing of the resistance of the conductive loop of a circuit breaker of claim 2, wherein: the air bag is positioned in the cloth bag, and the cloth bag enables the connecting rod body and the first clamping handle to be tightly connected.
4. The apparatus for outdoor testing of the resistance of the conductive loop of a circuit breaker of claim 3, wherein: the bag-type clamping device further comprises a binding belt for connecting the second clamping handle with the cloth bag.
5. The apparatus for outdoor testing of the resistance of the conductive loop of a circuit breaker of claim 4, wherein: the one end that the second centre gripping handle kept away from the chuck is equipped with the extension section, the extension section along its axis direction be equipped with in proper order a plurality of with bind the hole of taking the adaptation.
6. The apparatus for outdoor testing of the resistance of the conductive loop of a circuit breaker of claim 5, wherein: the air bag type inflating device further comprises a hose connected with an air port of the air bag, and a hand-held inflating bag is arranged at one end, far away from the air bag, of the hose.
7. The apparatus for outdoor testing of the resistance of the conductive loop of a circuit breaker of claim 6, wherein: the length of the hose is matched with the height of the circuit breaker to be tested from the ground.
8. The apparatus for outdoor testing of the resistance of the conductive loop of a circuit breaker of claim 1, wherein: the rotary insulating rod connection connector comprises a block body with a hoop and an insulating connecting rod in threaded fit with the block body, and the hoop is movably connected with the connecting rod body.
9. The apparatus for outdoor testing of the resistance of the conductive loop of a circuit breaker of claim 5, wherein: the inner side surface of the cloth bag is provided with a fixing belt loop, and part of the connecting rod body is arranged between the fixing belt loop and the cloth bag.
10. The apparatus for outdoor testing of the resistance of the conductive loop of a circuit breaker of claim 9, wherein: the outer side surface of the cloth bag is provided with a plurality of connecting belt loops matched with the binding belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011081768.8A CN112462093B (en) | 2020-10-12 | 2020-10-12 | Device for outdoor testing of resistance of conductive circuit of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011081768.8A CN112462093B (en) | 2020-10-12 | 2020-10-12 | Device for outdoor testing of resistance of conductive circuit of circuit breaker |
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| Publication Number | Publication Date |
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| CN112462093A true CN112462093A (en) | 2021-03-09 |
| CN112462093B CN112462093B (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011081768.8A Active CN112462093B (en) | 2020-10-12 | 2020-10-12 | Device for outdoor testing of resistance of conductive circuit of circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113156287A (en) * | 2021-05-06 | 2021-07-23 | 国网山东省电力公司诸城市供电公司 | Pneumatic control pressure testing device for electrical test |
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| Publication number | Publication date |
|---|---|
| CN112462093B (en) | 2023-02-03 |
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