CN215116511U - Portable operation test clamp for high-altitude loop resistor - Google Patents

Abstract

The utility model relates to the technical field of transformer substation debugging, and discloses portable operation test pliers for high-altitude loop resistance, which comprises an installation base, wherein a first pliers body is arranged on the top surface of the installation base, a second pliers body is movably connected on the front end surface of the first pliers body, a chute is arranged on the front end surface of the second pliers body, a first wiring end and a second wiring end are arranged in the chute, an installation column is arranged at the bottom of the installation base, a sliding sleeve is sleeved on the installation column, a connector is arranged on the outer wall of the bottom of the sliding sleeve, an elastic steel wire rope is arranged on the inner wall of the bottom of the sliding sleeve, one end of the elastic steel wire rope is fixedly connected on the inner wall of the bottom of the sliding sleeve, the other end of the first clamp body sequentially penetrates through the mounting column and the mounting base and then extends upwards to the top of the second clamp body along the front end face of the first clamp body, then penetrates into the sliding groove from the top of the second clamp body, sequentially penetrates through the first wiring end and the second wiring end along the sliding groove and is finally fixedly connected to the bottom of the second clamp body; the utility model has the characteristics of the security is high, the suitability is good.

Description

Portable operation test clamp for high-altitude loop resistor

Technical Field

The utility model relates to a debugging technical field of transformer substation, concretely relates to portable operation test pincers of high altitude return circuit resistance.

Background

The resistance of the high-voltage loop mainly depends on the contact resistance between the moving contact and the fixed contact of the circuit breaker and the disconnecting link, the loss of a conductor is increased when the conductor is electrified, the temperature of the contact part is increased, the current carrying capacity of the equipment in normal work is directly influenced by the value of the contact resistance, the cutting-off capacity of short-circuit current is influenced to a certain extent, and the resistance value of each phase of conductive loop of the electrical equipment is important data for installation, maintenance and quality acceptance. In the transformer engineering debugging process, the loop resistance test is a frequently-operated conventional test, the test method of present high altitude loop resistance is that the technician climbs high and accomplishes the wiring work through testing pincers with the help of the operation, but because high altitude construction safety risk is great, and need frequently ascend a height, there is certain potential safety hazard, simultaneously, be located more inside position as required test surface, need adjust the binding clip angle and can reach when, traditional operation test pincers's binding clip angle is mostly unadjustable structure, at this moment, just need the external part with the test surface, if: the wiring work can be carried out after the components such as the outer cover, the baffle plate and the like are removed, and the problem of poor applicability exists.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a portable operation test pincers of high altitude return circuit resistance.

In order to solve the technical problem, the technical scheme of the utility model is that: a portable operation test clamp for high-altitude loop resistance comprises a mounting base, wherein a first clamp body is arranged on the top surface of the mounting base, a second clamp body is movably connected to the front end face of the first clamp body, a sliding groove is formed in the front end face of the second clamp body, and a first wiring end and a second wiring end are arranged in the sliding groove; the bottom of installation base is equipped with the erection column, the sliding sleeve has been cup jointed on the erection column, be equipped with on the bottom outer wall of sliding sleeve and be used for the connector of being connected with external action bars, be equipped with elastic wire rope on the bottom inner wall of sliding sleeve, elastic wire rope one end rigid coupling is on the bottom inner wall of sliding sleeve, the other end passes in proper order behind erection column and the installation base along the preceding terminal surface of the first pincers body upwards extend to the second pincers body top after penetrating in the spout and passing first wiring end and the last rigid coupling of second wiring end in the bottom of the second pincers body along the spout in proper order in the second pincers body top, wherein, second wiring end rigid coupling is on elastic wire rope.

Preferably, the second clamp body is hinged to the front end face of the first clamp body through a hinge, and the hinged position of the second clamp body and the first clamp body is located at a position close to the top of the second clamp body.

Preferably, the outer wall of the connector is provided with an external thread.

Preferably, a baffle is arranged at a position, close to one side edge of the first clamp body, of the front end face of the first clamp body, a mounting hole penetrating through the baffle is formed in the baffle, a locking mechanism is arranged in the mounting hole, a limiting hole is formed in a side wall, close to the baffle, of the second clamp body, and the locking mechanism fixedly connects the second clamp body and the first clamp body together by penetrating into the limiting hole.

Preferably, locking mechanism includes the locking lever, and locking lever middle part is through setting up pivot swing joint in the mounting hole, and locking lever one end outwards wears out from the mounting hole drill way department of keeping away from the second pincers side, and in the other end penetrated spacing hole, inwards sunken spacing groove was seted up to the bottom in spacing hole, and the locking lever penetrates and is equipped with the spacing portion that downwardly convex and spacing groove suited on the tip in the spacing hole, and spacing portion inserts the spacing inslot.

Compare prior art, the utility model has the advantages that:

the utility model discloses a bottom at the erection column sets up the connector that is used for being connected with external action bars, connector accessible threaded connection's mode is connected with external action bars, thereby make the action bars of the external suitable length of this test pincers accessible reach required height, make the skilled worker need not the climbing to carry out the operation, and simultaneously, the second pincers body that will be equipped with first wiring end and second wiring end articulates on first pincers body, make the second pincers body that has the clamping action can carry out the regulation on the angle, when the test surface is located more inside position, can go on the second pincers body on ground earlier and rise this test pincers to required test surface position through external action bars again after carrying out the regulation of angle and carry out the wiring test, can agree with the test surface of different angles, compare in prior art, and have the security height, the good advantage of suitability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention during angle adjustment;

FIG. 3 is an enlarged view at A;

fig. 4 is a schematic structural view of the locking mechanism of the present invention during unlocking;

fig. 5 is a schematic structural diagram of the present invention during wiring.

Reference numerals: 1. installing a base; 2. a first caliper body; 3. a second caliper body; 4. a chute; 5. a first terminal; 6. a second terminal; 7. mounting a column; 8. a sliding sleeve; 9. a connector; 10. an elastic wire rope; 11. a hinge; 12. a baffle plate; 13. mounting holes; 14. a limiting hole; 15. a locking lever; 16. a rotating shaft; 17. a limiting groove; 18. a limiting part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b): referring to fig. 1 to 5, the embodiment provides portable operation test pliers for high-altitude loop resistance, which include an installation base 1, a first pliers body 2 is arranged on the top surface of the installation base 1, and a second pliers body 3 is movably connected to the front end surface of the first pliers body 2, in the embodiment, the second pliers body 3 is hinged to the front end surface of the first pliers body 2 by a hinge 11, and the hinged position of the second pliers body 3 and the first pliers body 2 is located at a position close to the top of the second pliers body 3; a sliding groove 4 is formed in the front end face of the second clamp body 3, a first wiring end 5 and a second wiring end 6 are vertically distributed in the sliding groove 4, the first wiring end 5 is fixedly connected into the sliding groove 4, the second wiring end 6 is movably connected into the sliding groove 4, and the first wiring end 5 is arranged above the second wiring end 6; the bottom of the mounting base 1 is provided with a mounting column 7, a sliding sleeve 8 is sleeved on the mounting column 7, the sliding sleeve 8 can slide along the mounting column 7, the outer wall of the bottom of the sliding sleeve 8 is provided with a connector 9 for connecting with an external operating rod, in the embodiment, the outer wall of the connector 9 is provided with external threads, and the connector 9 is connected with the external operating rod in a threaded connection mode;

an elastic steel wire rope 10 is arranged on the inner wall of the bottom of the sliding sleeve 8, one end of the elastic steel wire rope 10 is fixedly connected to the inner wall of the bottom of the sliding sleeve 8, the other end of the elastic steel wire rope 10 sequentially penetrates through the mounting column 7 and the mounting base 1 and then upwards extends to the top of the second clamp body 3 along the front end face of the first clamp body 2, then penetrates into the sliding groove 4 from the top of the second clamp body 3, sequentially penetrates through the first wiring end 5 and the second wiring end 6 along the sliding groove 4 and finally is fixedly connected to the bottom of the second clamp body 3, and the second wiring end 6 is fixedly connected to the elastic steel wire rope 10; through the aforesaid setting, when the operation of centre gripping wiring is carried out to needs, behind the suitable position of 5 blocks of first wiring end on the test surface, during downwards pulling sliding sleeve 8, make sliding sleeve 8 downstream, at this moment, sliding sleeve 8 can stimulate elastic steel wire rope 10, extension takes place for elastic steel wire rope 10 atress, thereby it slides to the direction of pressing close to first wiring end 5 in spout 4 to drive second wiring end 6, carry out centre gripping wiring operation with this, loosen sliding sleeve 8 after, elastic steel wire rope 10 is under the effect of self restoring force, resume length, at this moment, second wiring end 6 slides to the direction of keeping away from first wiring end 5 in spout 4, get back to original position.

In order to facilitate the use and storage of the test clamp, a baffle plate 12 is arranged at the position of the front end surface of the first clamp body 2 close to one side edge of the first clamp body, a mounting hole 13 penetrating through the baffle plate 12 is arranged on the baffle plate 12, a locking mechanism is arranged in the mounting hole 13, a limiting hole 14 is arranged on the side wall of the second clamp body 3 close to the side of the baffle plate 12, the locking mechanism fixedly connects the second clamp body 3 and the first clamp body 2 by penetrating into the limiting hole 14, the locking mechanism comprises a locking rod 15, the middle part of the locking rod 15 is movably connected in the mounting hole 13 by arranging a rotating shaft 16, namely, the locking rod 15 can swing in the mounting hole 13, one end of the locking rod 15 penetrates out from the opening of the mounting hole 13 far away from the side of the second clamp body 3, the other end penetrates into the limiting hole 14, an inward sunken limiting groove 17 is arranged at the bottom of the limiting hole 14, a downward convex limiting part 18 corresponding to the limiting groove 17 is arranged at the end part of the locking rod 15 penetrating into the limiting hole 14, the limiting part 18 is inserted into the limiting groove 17, through the arrangement, when the limiting part 18 is inserted into the limiting groove 17, the first clamp body 2 and the second clamp body 3 are fixedly connected together, a downward force is applied to the end part of the locking rod 15 which penetrates out from the hole opening of the mounting hole 13 far away from the second clamp body 3 side, so that the end part of the locking rod 15 provided with the limiting part 18 under the action of the rotating shaft 16 is upwards lifted, the limiting part 18 is separated from the limiting groove 17, the connection between the second clamp body 3 and the first clamp body 2 is released, and the position angle of the second clamp body 3 can be adjusted.

The working principle of the utility model is that when working, firstly, the test clamp is connected to the operating rod with required length through the connecting action of the connector 9, then the wire to be connected is installed on the first wiring end 5 and the second wiring end 6, then the wire is fixed on the operating rod in a segmented manner, then the second clamp body 3 is adjusted according to the position of the test surface, the angle of the second clamp body 3 and the position of the test surface are adjusted to be approximately the same angle, then the test clamp is lifted to the required wiring position that the first wiring end 5 is slightly higher than the test surface through the operating rod and leans on the wiring position, then the operating rod is pulled downwards to drive the sliding sleeve 8 to move, thereby the second wiring end 6 moves towards the first wiring end 5, thereby the wiring operation is clamped, then the loop resistance can be tested through the external test device, after the test is finished, the operating rod is loosened, the sliding sleeve 8 is reset under the action of the elastic steel wire rope 10, the second wiring end 6 is reset, and then the test clamp is taken down through the operating rod.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above is only the typical example of the utility model, in addition, the utility model can also have other multiple concrete implementation manners, and the technical scheme that all adopt equivalent replacement or equivalent transform to form all falls within the scope of the utility model.

Claims (5)

1. The utility model provides a portable operation test of high altitude return circuit resistance pincers, includes installation base (1), its characterized in that: a first clamp body (2) is arranged on the top surface of the mounting base (1), a second clamp body (3) is movably connected to the front end surface of the first clamp body (2), a sliding groove (4) is formed in the front end surface of the second clamp body (3), a first wiring end (5) and a second wiring end (6) are arranged in the sliding groove (4), the first wiring end (5) is fixedly connected into the sliding groove (4), and the second wiring end (6) is movably connected into the sliding groove (4); the bottom of installation base (1) is equipped with erection column (7), sliding sleeve (8) have been cup jointed on erection column (7), be equipped with on the bottom outer wall of sliding sleeve (8) and be used for connector (9) be connected with external action bars, be equipped with elasticity wire rope (10) on the bottom inner wall of sliding sleeve (8), elasticity wire rope (10) one end rigid coupling is on the bottom inner wall of sliding sleeve (8), the other end passes erection column (7) and installation base (1) in proper order and upwards extends to second pincers body (3) top back along the preceding terminal surface of first pincers body (2) and penetrates in spout (4) and along spout (4) pass first wiring end (5) and second wiring end (6) in proper order last rigid coupling in the bottom of second pincers body (3), wherein, second wiring end (6) rigid coupling is on elasticity wire rope (10).

2. The portable high-altitude loop resistance operation test clamp as claimed in claim 1, wherein: the second clamp body (3) is hinged to the front end face of the first clamp body (2) through a hinge (11), and the hinged position of the second clamp body (3) and the first clamp body (2) is located at the position close to the top of the second clamp body (3).

3. The portable high-altitude loop resistance operation test clamp as claimed in claim 1, wherein: and the outer wall of the connector (9) is provided with external threads.

4. The portable high-altitude loop resistance operation test clamp as claimed in claim 1, wherein: the clamp is characterized in that a baffle (12) is arranged at the position, close to one side edge of the first clamp body (2), of the front end face of the first clamp body, a mounting hole (13) penetrating through the baffle (12) is formed in the baffle (12), a locking mechanism is arranged in the mounting hole (13), a limiting hole (14) is formed in the side wall, close to the side wall of the baffle (12), of the second clamp body (3), and the locking mechanism fixedly connects the second clamp body (3) and the first clamp body (2) together through penetrating into the limiting hole (14).

5. The portable high altitude loop resistance operation test clamp as claimed in claim 4, wherein: locking mechanical system includes locking lever (15), locking lever (15) middle part is through setting up pivot (16) swing joint in mounting hole (13), outside wearing out in mounting hole (13) drill way department of keeping away from second pincers body (3) side is located to locking lever (15) one end, the other end penetrates in spacing hole (14), inside sunken spacing groove (17) have been seted up to the bottom in spacing hole (14), locking lever (15) penetrate be equipped with spacing portion (18) that downwardly convex and spacing groove (17) suited on the tip in spacing hole (14), spacing portion (18) insert in spacing groove (17).

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