阅读说明：本技术 一种接线夹及其接线方法 (Jointing clamp and jointing method thereof ) 是由 文峰 涂静鑫 段晓瑞 陈建昆 周仕新 梅成高 胡定林 贾清正 王咿然 黄斌 于 2020-07-20 设计创作，主要内容包括：本发明公开了一种接线夹及其接线方法,所述接线夹包括第一接线头、滑轨和第二接线头,第一接线头设置在滑轨的一端,第二接线头活动穿设在滑轨上,该接线夹包括锁紧状态和解锁状态,在锁紧状态下,第一弹性件使第一挡片偏移预定距离,进而使第一锁紧通孔与滑轨摩擦相交固定,以便第一夹合本体与第二夹合本体正向夹紧或反向扩张接线；在解锁状态下,第一把手动作使第一挡片摆动预定距离,进而使第一锁紧通孔轴向与滑轨长度方向一致,以便移动调节第二夹合本体在滑轨上的位置。本接线夹通过改变第二夹合本体在滑轨上的位置,进而可调节两接线头的相对位置,满足不同尺寸或外形构造特殊时的试品被夹处的接线要求。(The invention discloses a jointing clamp and a wiring method thereof, wherein the jointing clamp comprises a first jointing head, a sliding rail and a second jointing head, the first jointing head is arranged at one end of the sliding rail, the second jointing head is movably arranged on the sliding rail in a penetrating way, the jointing clamp comprises a locking state and an unlocking state, and in the locking state, a first elastic piece enables a first separation blade to deviate by a preset distance, so that a first locking through hole and the sliding rail are fixed in a friction intersecting way, and the first clamping body and the second clamping body clamp the wiring in a forward clamping or reverse expansion way; in an unlocking state, the first separation blade is swung by the action of the first handle for a preset distance, and then the axial direction of the first locking through hole is consistent with the length direction of the sliding rail, so that the position of the second clamping body on the sliding rail can be movably adjusted. This binding clip is through changing the position of second clamping body on the slide rail, and then the relative position of adjustable two connector lugs satisfies the wiring requirement of the test article quilt clamp department when not unidimensional or appearance structure is special.)

1. A binding clip, comprising:

a first terminal (10) comprising a first clamping body (11);

the sliding rail (20) comprises a first end and a second end, the first end is connected with the first clamping body (11), and the second end is a free end;

a second terminal (30) comprising:

the second clamping body (31) is provided with a clamping channel, and the sliding rail (20) can movably penetrate through the clamping channel;

the first blocking piece (34) is provided with a first locking through hole, the sliding rail (20) penetrates through the first locking through hole, the two ends of the first blocking piece (34) are fixed in the second clamping body (31) through two first elastic pieces (36) at the same side, and the elastic direction of the first elastic pieces (36) is the same as the direction of the clamping channel;

the first handle (35) is arranged on the side surface of the first blocking piece (34), and the first handle (35) and the first elastic piece (36) are respectively positioned on two sides of the first blocking piece (34);

the jointing clamp comprises a locking state and an unlocking state, wherein in the locking state, the first blocking piece (34) is deviated by the first elastic piece (36) for a preset distance, and then the first locking through hole and the sliding rail (20) are frictionally crossed and fixed, so that the first clamping body (11) and the second clamping body (31) clamp or expand a wire in the reverse direction; in the unlocking state, the first handle (35) acts to enable the first blocking piece (34) to swing for a preset distance, and further the axial direction of the first locking through hole is consistent with the length direction of the sliding rail (20), so that the position of the second clamping body (31) on the sliding rail (20) can be adjusted in a moving mode.

2. The terminal block according to claim 1, characterized in that the second terminal block (30) further comprises:

the second blocking piece (37) is provided with a second locking through hole, the sliding rail (20) penetrates through the second locking through hole, one end of the second blocking piece (37) is fixed in the second clamping body (31) through a second elastic piece (39), and the elastic direction of the second elastic piece (39) is the same as the direction of the clamping channel;

the second handle (38) is arranged on the side surface of the second baffle plate (37), and the second handle (38) and the second elastic piece (39) are respectively positioned on two sides of the second baffle plate (37);

the jointing clamp further comprises a retraction state and an advancing state, in the retraction state, the second handle (38) acts to compress the second elastic piece (39), the second stopping piece (37) deflects backwards, and the upper inner wall of the second locking through hole rubs with the sliding rail (20) and drives the sliding rail (20) to retract backwards; in the pushing state, the second blocking piece (37) is reset under the action of the second elastic piece (39), meanwhile, the second handle (38) is pushed to reset, and the second locking through hole pushes the sliding rail (20) to overcome the friction force between the first blocking piece (34) and the sliding rail (20), so that the second clamping body (31) moves forwards for a preset distance relative to the sliding rail (20).

3. The terminal block according to claim 2, characterized in that the second terminal block (30) further comprises:

a grip (40) arranged on the second clamping body (31);

wherein the first handle (35) and the second handle (38) are arranged on the same side of the grip (40).

4. The terminal block according to claim 3, characterized in that the second handle (38) is arranged between the first handle (35) and the grip (40).

5. The jointing clamp according to claim 1, wherein the first handle (35) is rotatably disposed in the second clamping body (31), and when the first handle (35) is rotated in the direction of the first elastic member (36), the first handle (35) drives the first blocking piece (34) to swing by a predetermined distance.

6. The jointing clamp according to claim 2, wherein one end of the second handle (38) is rotatably disposed in the second clamping body (31), and the other end of the second handle extends out of the second clamping body (31), and a mounting through hole is formed in the second handle (38), the slide rail (20) is movably disposed in the mounting through hole, and when the second handle (38) rotates towards the side of the second elastic member (39), the second handle (38) drives the second blocking piece (37) to swing.

7. The jointing clamp according to claim 1, wherein a first cog (12) is provided on the first clamping body (11), a second cog (32) is provided on the second clamping body (31), and a wire connecting function is realized by the first cog (12) and the second cog (32) jointly contacting with a clamped part of a test article.

8. The terminal block according to claim 7, characterized in that a first terminal stud (13) is provided on the first clamping body (11) in connection with the first toothing (12) and a second terminal stud (33) is provided on the second clamping body (31) in connection with the second toothing (32).

9. The wiring method of the wire connecting clamp as claimed in any one of claims 1 to 8, characterized in that when the wiring is clamped in the forward direction, the first wire connecting head (10) and the second wire connecting head (30) are placed on both sides of the clamped position of the test article, the first handle (35) is operated to make the wire connecting clamp in the unlocked state, then the position of the second clamping body (31) on the slide rail (20) is adjusted in a moving manner, so that the first wire connecting head (10) and the second wire connecting head (30) are respectively connected with both sides of the clamped position of the test article to realize the wiring function, and then the first handle (35) is released to make the wire connecting clamp in the locked state.

10. The wiring method of the wire connecting clamp as claimed in any one of claims 1 to 8, characterized in that, when the wire is reversely expanded, the first wire connecting head (10) and the second wire connecting head (30) are placed in the wiring cavity of the clamped position of the test article, the first handle (35) is operated to make the wire connecting clamp in the unlocked state, then the position of the second clamping body (31) on the sliding rail (20) is movably adjusted, so that the first wire connecting head (10) and the second wire connecting head (30) are respectively contacted with two opposite wall surfaces of the wiring cavity of the clamped position of the test article to realize the wiring function, and then the first handle (35) is released to make the wire connecting clamp in the locked state.

Technical Field

The invention relates to a wiring clamp and a wiring method thereof, belonging to the technical field of high-voltage electrical test wiring.

Background

At present, the jointing clamp used in the electrical test work is mainly an alligator clamp (spring clamp), the size of the clamping opening of the jointing clamp is fixed and unadjustable, and when the clamped position of a tested article is oversized or has a special appearance structure, the conventional alligator clamp cannot meet the requirement of field wiring, such as: when conducting the resistance test of return circuit to dolly formula circuit breaker, because dolly formula circuit breaker adopts plum blossom formula or duckbilled contact more at present, plum blossom formula contact is binded mainly with circular spring, probably causes the damage to binding spring and contact when the bigger alligator clip centre gripping of grip strength with conventional, the less accuracy that will influence the test of grip strength, and some duckbilled contact diameter size is great, and the centre gripping of conventional alligator clip is not gone up.

In addition, the resistance test of the conductive loop needs to be carried out by using a four-wire method, and the current clamp and the voltage clamp are required to be completely separated, so that two current clamps and two voltage clamps need to be clamped during the test, and time and labor are consumed.

Disclosure of Invention

Based on the above, the invention provides a jointing clamp and a wiring method thereof, and aims to solve the problems that the clamping opening of the existing crocodile jointing clamp is fixed and cannot meet the field wiring requirement when the clamped position of a test article is overlarge in size or the appearance structure is special.

The technical scheme of the invention is as follows: a wire clamp, the wire clamp comprising:

a first connector lug comprising a first clamping body;

the sliding rail comprises a first end and a second end, the first end is connected with the first clamping body, and the second end is a free end;

a second terminal, comprising:

the second clamping body is provided with a clamping channel, and the sliding rail can movably penetrate through the clamping channel;

the first blocking piece is provided with a first locking through hole, the sliding rail penetrates through the first locking through hole, the two ends of the first blocking piece are fixed in the second clamping body through two first elastic pieces at the same side, and the elastic direction of the first elastic pieces is the same as that of the clamping channel;

the first handle is arranged on the side surface of the first blocking piece, and the first handle and the first elastic piece are respectively positioned on two sides of the first blocking piece;

the jointing clamp comprises a locking state and an unlocking state, and in the locking state, the first blocking piece is deflected by the first elastic piece for a preset distance, so that the first locking through hole and the sliding rail are frictionally, intersected and fixed, and the first clamping body and the second clamping body are clamped in the forward direction or expanded in the reverse direction for wiring; in the unlocking state, the first handle acts to enable the first blocking piece to swing for a preset distance, so that the axial direction of the first locking through hole is consistent with the length direction of the sliding rail, and the position of the second clamping body on the sliding rail can be conveniently adjusted in a moving mode.

In one example, the second terminal block further includes:

the second blocking piece is provided with a second locking through hole, the sliding rail penetrates through the second locking through hole, one end of the second blocking piece is fixed in the second clamping body through a second elastic piece, and the elastic direction of the second elastic piece is the same as the direction of the clamping channel;

the second handle is arranged on the side surface of the second baffle plate, and the second handle and the second elastic piece are respectively positioned on two sides of the second baffle plate;

the jointing clamp further comprises a retraction state and a propulsion state, in the retraction state, the second handle acts to compress the second elastic piece, the second baffle swings backwards, and the inner wall of the upper part of the second locking through hole rubs with the sliding rail and drives the sliding rail to retract backwards; in the pushing state, the second blocking piece resets under the action of the second elastic piece, meanwhile, the second handle is pushed to reset, and the second locking through hole pushes the sliding rail to overcome the friction force between the first blocking piece and the sliding rail, so that the second clamping body moves forwards for a preset distance relative to the sliding rail.

In one example, the second terminal block further includes:

a grab handle arranged on the second clamping body;

wherein the first handle and the second handle are arranged on the same side of the grab handle.

In one example, the second handle is disposed between the first handle and the grip.

In one example, the first handle is rotatably disposed in the second clamping body, and when the first handle rotates towards the first elastic member, the first handle drives the first blocking piece to swing for a predetermined distance.

In one example, one end of the second handle is rotatably disposed in the second clamping body, and the other end of the second handle extends out of the second clamping body, and the second handle is provided with a mounting through hole, the slide rail is movably disposed in the mounting through hole in a penetrating manner, and when the second handle rotates towards the side of the second elastic member, the second handle drives the second stopper to swing.

In one example, a first embedded tooth is arranged on the first clamping body, a second embedded tooth is arranged on the second clamping body, and the first embedded tooth and the second embedded tooth are in contact with the clamped position of the sample together to realize a wiring function.

In one example, a first terminal connected to the first tooth is provided on the first clamping body, and a second terminal connected to the second tooth is provided on the second clamping body.

The invention also provides a wiring method of the wiring clamp, when wiring is clamped in a forward direction, the first wiring head and the second wiring head are arranged on two sides of a clamped position of a test article, the first handle is operated to enable the wiring clamp to be in the unlocking state, then the position of the second clamping body on the sliding rail is adjusted in a moving mode, the first wiring head and the second wiring head are respectively connected with two side faces of the clamped position of the test article to achieve a wiring function, and then the first handle is loosened to enable the wiring clamp to be in the locking state.

The invention also provides a wiring method of the wiring clamp, when the wiring is reversely expanded, the first wiring head and the second wiring head are arranged in a wiring cavity at the clamped position of a test article, the first handle is firstly operated to enable the wiring clamp to be in the unlocking state, then the position of the second clamping body on the sliding rail is movably adjusted, the first wiring head and the second wiring head are respectively contacted with two opposite wall surfaces of the wiring cavity at the clamped position of the test article to achieve the wiring function, and then the first handle is loosened to enable the wiring clamp to be in the locking state.

The invention has the beneficial effects that: the jointing clamp comprises a locking state and an unlocking state, wherein in the unlocking state, a first handle acts, namely, a top block pushes a first separation blade to swing for a preset distance, so that the axial direction of a first locking through hole is consistent with the length direction of a sliding rail, and the first locking through hole and the sliding rail do not have or only have small friction force, so that the position of a second clamping body on the sliding rail can be conveniently moved and adjusted; in a locking state, the first elastic piece pre-presses the first separation blade to enable the first separation blade to deviate for a preset distance, and then the first locking through hole and the sliding rail are in friction intersection and fixed, so that the first clamping body and the second clamping body clamp or expand wiring in a reverse direction. This binding clip is through changing the position of second clamping body on the slide rail, and then the relative position of adjustable first clamping body and second clamping body satisfies the wiring requirement of the test article quilt clamp department when not unidimensional or appearance structure is special.

The jointing clamp further comprises a retraction state and a propulsion state, wherein in the retraction state, the second handle acts to compress the second elastic piece, the second baffle swings backwards, and the inner wall of the upper part of the second locking through hole rubs with the sliding rail and drives the sliding rail to retract backwards; under the propulsion state, the second separation blade resets under the effect of second elastic component, promotes the second handle simultaneously and resets, and, second locking through-hole promotes the slide rail and overcomes the frictional force of first separation blade and slide rail for the second presss from both sides and closes the body and move predetermined distance forward relative to the slide rail. During wiring, the second clamping body can move forwards gradually through reciprocating operation, and further forward pushing and fastening of the wiring clamp can be realized.

This binding clip can forward press from both sides tight also can reverse expanding wiring mode, and cooperation main part quick operation anchor clamps can easily accomplish wiring work fast. This binding clip is the biggest expansion and step up the opening and can reach 150mm opening distance, and the cooperation main part fast operation anchor clamps step up and the maximum 60KG that can reach of expansion power degree, is 10 times many of traditional spring clip.

Drawings

FIG. 1 is a schematic view of the present invention in expanded configuration;

FIG. 2 is a schematic view of the clamp of the present invention in a configuration for clamping a wire;

FIG. 3 is a schematic structural view of a first connector lug;

FIG. 4 is a schematic structural view of a second connector lug;

fig. 5 is an internal schematic view of a second connector lug;

description of reference numerals:

10 a first connector lug, 11 a first clamping body, 12 a first embedded tooth and 13 a first connecting post;

20, a sliding rail;

30 second connector lug, 31 second clamping body, 32 second embedded tooth, 33 second connector lug, 34 first baffle, 35 first handle, 36 first elastic piece, 37 second baffle, 38 second handle, 39 second elastic piece and 40 grab handle;

351 top piece, 361 spring seat, 362 stop piece, 371 support.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a terminal clamp according to an embodiment of the present invention includes a first terminal 10, a slide rail 20, and a second terminal 30.

The slide rail 20 is in an elongated structure and is mainly used for mounting the first connector lug 10 and the second connector lug 30, and the slide rail 20 comprises a first end and a second end.

The first connector lug 10 is mainly used for contacting with a clamped position of a test article so as to realize electrical connection. Specifically, the first connector lug 10 is mounted on a first end of the slide rail 20. The first terminal 10 has a first crimp body 11.

The second terminal 30 is mainly used for contacting the clamped position of the test article, so as to realize electrical connection. Specifically, the second connector lug 30 penetrates through the second end of the slide rail 20 and is connected with the slide rail 20 in a clamping manner.

The second connector lug 30 comprises a second clamping body 31, a first blocking piece 34 and a first handle 35, wherein the second clamping body 31 is provided with a clamping channel, and the sliding rail 20 can movably penetrate through the clamping channel, namely the sliding rail 20 can move along the length direction of the clamping channel; the first blocking piece 34 is provided with a first locking through hole, the sliding rail 20 penetrates through the first locking through hole, the two ends of the first blocking piece 34 are fixed in the second clamping body 31 through two first elastic pieces 36 respectively at the same side, the elastic direction of each first elastic piece 36 is the same as the direction of the clamping channel, the two first elastic pieces 36 can be set to be different in length, in a natural state, the two first elastic pieces 36 pre-press and press the first blocking piece 34, so that one end of each first elastic piece 36 deviates relative to the other end, the axial direction of each first locking through hole forms a certain angle with the length direction of the sliding rail 20, and at the moment, the first locking through hole is crossed with the sliding rail 20 in a friction mode, and the second clamping body 31 and the sliding rail 20 can be in a locking state; the first handle 35 is rotatably mounted on a side surface of the first blocking portion 34, and the first handle 35 and the first elastic member 36 are respectively located on two sides of the first blocking portion 34, so that the first blocking portion 34 can be driven to deflect by the rotation of the first handle 35.

It should be noted that the first through locking hole is slightly larger than the size of the slide rail 20, and the first blocking piece 34 may be formed by overlapping a plurality of plates.

In one example, the first handle 35 is rotatably disposed in the second clamping body 31, the top block 351 is disposed on the first handle 35, and when the first handle 35 rotates towards the first elastic member 36, the top block 351 abuts against the first blocking piece 34 and swings for a predetermined distance, and the predetermined distance is preferably that the first blocking piece 34 swings until the axial direction of the first locking through hole of the first blocking piece coincides with the length direction of the slide rail 20. The free end of the first handle 35 extends outside the second sandwich body 31 for manual operation.

In one example, two spring seats 361 are fixed in the second clamping body 31, the first elastic member 36 is a spring, one end of the spring is fixed in the spring seat 361, the other end of the spring is connected with the side surface of the first blocking piece 34, 362 is arranged at the other end of the side surface of the first blocking piece 34 opposite to the top block 351 to limit the position of the first blocking piece 34, and the spring can provide a reaction force for the first blocking piece 34 when the top block 351 pushes the first blocking piece 34 to deflect.

The binding clip comprises a locking state and an unlocking state, wherein in the locking state, the first elastic piece 36 pre-presses the first blocking piece 34 to enable the first blocking piece 34 to deviate by a preset distance, and further the first locking through hole and the sliding rail 20 are fixed in a friction intersecting manner, so that the first clamping body 11 and the second clamping body 31 clamp in a positive direction or expand in a reverse direction for wiring; in the unlocking state, the first handle 35 is operated, that is, the top block 351 pushes the first blocking piece 34 to swing for a predetermined distance, so that the axial direction of the first locking through hole is consistent with the length direction of the slide rail 20, and at this time, the first locking through hole and the slide rail 20 have no or only a small friction force, so that the position of the second clamping body 31 on the slide rail 20 can be conveniently adjusted.

The jointing clamp can adjust the relative position of the first clamping body 11 and the second clamping body 31 by changing the position of the second clamping body 31 on the slide rail 20, and meets the jointing requirement of the clamped position of a test article when the test article has different sizes or special appearance structures.

Preferably, the second connector lug 30 further comprises a second stopping sheet 37 and a second handle 38, wherein the second stopping sheet 37 has a second locking through hole, the sliding rail 20 is inserted into the second locking through hole, and one end of the second flap 37 is fixed in the second clamping body 31 by a second elastic member 39, the elastic direction of the second elastic member 39 is the same as the direction of the clamping passage, and in a natural state, the second elastic member 39 preloads and compresses the second flap 37, so that one end of the second elastic member 39 is deviated from the other end, so that the axial direction of the second locking through hole forms a certain angle with the length direction of the slide rail 20, at the moment, the second locking through hole is crossed with the slide rail 20 in a friction way, the second clamping body 31 and the sliding rail 20 can be in a locking state, and under the combined action of the first locking through hole and the second locking through hole, the contact stability of the first and second clamping bodies 11 and 31 with the clamped part of the test article can be improved. The second handle 38 is rotatably installed at a side of the second shutter 37, and the second handle 38 and the second elastic member 39 are respectively located at both sides of the second shutter 37, and the second shutter 37 is driven to be deviated by the rotation of the second handle 38.

It should be noted that the second locking through hole is slightly larger than the size of the slide rail 20, and the second blocking piece 37 may be formed by overlapping a plurality of plates.

The jointing clamp further comprises a retraction state and a propulsion state, in the retraction state, the second handle 38 acts to compress the second elastic piece 39, the second stop piece 37 swings backwards, and the inner wall of the upper part of the second locking through hole rubs with the sliding rail 20 and drives the sliding rail 20 to retract backwards; in the pushing state, the second blocking piece 37 is reset by the second elastic piece 39, and meanwhile, the second handle 38 is pushed to reset, and the second locking through hole pushes the sliding rail 20 to overcome the friction force between the first blocking piece 34 and the sliding rail 20, so that the second clamping body 31 moves forward relative to the sliding rail 20 by a predetermined distance. During wiring, the second clamping body 31 can move forward gradually through reciprocating operation, and further forward propulsion and fastening of the wiring clamp can be realized.

In one example, the second handle 38 is rotatably disposed in the second clamping body 31, the second handle 38 abuts against the second stop 37, a mounting through hole is disposed on the second handle 38, the slide rail 20 is movably disposed in the mounting through hole, when the second handle 38 rotates toward the second elastic member 39, the second handle 38 abuts against the second stop 37 and swings for a predetermined distance, the second elastic member 39 compresses, during which the upper inner wall of the second locking through hole rubs against the slide rail 20 and drives the slide rail 20 to retract backward, and is in a retracted state, when the second handle 38 is released, the second stop 37 resets under the action of the second elastic member 39 and simultaneously pushes the second handle 38 to reset, during which the second locking through hole pushes the slide rail 20 to overcome the friction force between the first stop 34 and the slide rail 20, so that the second clamping body 31 moves forward for a predetermined distance relative to the slide rail 20, in the propulsion state. The free end of the first handle 35 extends outside the second sandwich body 31 for manual operation.

It should be noted that the size of the mounting through hole is much larger than the external size of the slide rail 20, so that the second handle 38 does not contact the slide rail 20 when rotated.

In one example, a spring seat 361 is fixed in the second clamping body 31, the second elastic member 39 is a spring, one end of the spring is fixed in the spring seat 361, the other end of the spring is connected with the side surface of the second catch 37, and the other end of the second catch 37 is movably installed in the support 371, that is, the second catch 37 can move back and forth in the support 371. When the second handle 38 drives the second elastic element 39 to retract, the second stopper 37 is not constrained by the support 371, so that the upper portion of the second locking through hole and the sliding rail 20 always have friction force, and the sliding rail 20 can be driven to retract. After the second handle 38 is released instantaneously, the second elastic element 39 provides the second blocking piece 37 with a large friction force, which can overcome the friction force between the first locking through hole and the sliding rail 20, so that the second clamping body 31 moves forward a distance relative to the sliding rail 20.

Preferably, the second terminal 30 further comprises a grip 40, the grip 40 being arranged on the second clamping body 31, wherein the first handle 35 and the second handle 38 are arranged on the same side of the grip 40 for facilitating the operation of the first handle 35 and the second handle 38. In one example, the second handle 38 is disposed between the first handle 35 and the grip 40.

In one example, a first embedded tooth 12 is arranged on the first clamping body 11, a second embedded tooth 32 is arranged on the second clamping body 31, and the first embedded tooth 12 and the second embedded tooth 32 are jointly contacted with a clamped part of a sample to realize a wiring function. The first clip body 11 is provided with a first terminal 13 connected to the first tooth 12, and the second clip body 31 is provided with a second terminal 33 connected to the second tooth 32. The first and second abutments 12 and 32 can be screwed onto the first or second sandwich body 11 or 31. The first embedded tooth 12 and the second embedded tooth 32 can adopt brass clamping openings, the current capacity can reach 200A, and the current clamping openings and the voltage clamping openings are installed in an insulated and isolated mode, so that the accuracy in the four-wire method test is met.

The embodiment of the invention also provides a wiring method of the wiring clamp, when the wiring is clamped in the forward direction, the first wiring terminal 10 and the second wiring terminal 30 are placed on two sides of the clamped position of the test article, the first handle 35 is operated to enable the wiring clamp to be in an unlocked state, then the position of the second clamping body 31 on the sliding rail 20 is adjusted in a moving mode, further the first wiring terminal 10 and the second wiring terminal 30 are respectively connected with two side faces of the clamped position of the test article to achieve a wiring function, and then the first handle 35 is loosened to enable the wiring clamp to be in a locked state. In this process, when the first clamping body 11 and the second clamping body 31 are about to contact with the clamped part of the test article, the second clamping body 31 can be moved forward one by circularly operating the second handle 38, so as to realize forward pushing and fastening of the jointing clamp.

The embodiment of the invention also provides a wiring method of the wiring clamp, when the wiring is reversely expanded, the first wiring head 10 and the second wiring head 30 are placed in the wiring cavity of the clamped position of the test article, the first handle 35 is operated to enable the wiring clamp to be in an unlocked state, then the position of the second clamping body 31 on the sliding rail 20 is movably adjusted, further the first wiring head 10 and the second wiring head 30 are respectively in contact with two opposite wall surfaces of the wiring cavity of the clamped position of the test article to achieve a wiring function, and then the first handle 35 is loosened to enable the wiring clamp to be in a locked state. In this process, when the first clamping body 11 and the second clamping body 31 are about to contact with the clamped part of the test article, the second clamping body 31 can be moved forward one by circularly operating the second handle 38, so as to realize forward pushing and fastening of the jointing clamp.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.