CN203965577U - A kind of converting equipment withstand voltage test jointing clamp of mechanical close slip-off preventing - Google Patents

Abstract

The utility model discloses a kind of converting equipment withstand voltage test jointing clamp of mechanical close slip-off preventing, comprise two driving members, a long screw, a connection piece, a spring, two gangbar and two halves closure member, the middle part of two driving members is hinged by jointed shaft, long screw is positioned at a side of jointed shaft, and the side Joint of its one end and jointed shaft, web member is threadedly connected to long screw; Spring is positioned at the opposite side of jointed shaft, and its two ends respectively with the relative inner face Joint of two driving members; One end of two gangbar respectively with two driving member Joints, the other end of two gangbar is hinged with two halves closure member respectively, two halves closure member is positioned at the outside of spring, and the corresponding one end near spring of this two halves closure member is hinged; The relative inner of this two halves closure member is respectively equipped with inner cavity, forms closed cavity in the time that two halves closure member correspondence is closed away from one end of spring.The utility model makes staff without ascend operation.

Description

A mechanically closed and anti-falling substation equipment withstand voltage test wiring pliers

technical field

The utility model relates to a tool for electric power equipment, in particular to a mechanically sealed and anti-fall-off substation equipment withstand voltage test wiring clamp.

Background technique

The substation is equipped with high-voltage level circuit breakers, current transformers, voltage transformers, transformers, lightning arresters, isolating switches, grounding switches and many other substation equipment. These high-voltage level substation equipment are usually installed 3-5 meters above the ground. In order to complete the insulation and withstand voltage test connection and disconnection of these high-voltage substation equipment, the staff need to use aerial work vehicles to carry out high-altitude operations. To complete the test work of one-phase substation equipment, it is necessary to climb up and down once. The up and down climbing time occupies about 80% of the test time. In order to prevent the high-altitude operation vehicle from damaging the substation equipment or accidentally entering the live interval, the aerial operation vehicle usually operates at a slow speed, and it takes a lot of time to complete the up and down operation, resulting in low efficiency of the current high-voltage level substation equipment insulation withstand voltage test, and There is also the danger of falling from heights while working at heights.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a mechanically sealed and anti-falling substation equipment withstand voltage test wiring clamp, which has a simple structure, is convenient to use, and does not need to work at heights. The insulation and withstand voltage test wiring of electrical equipment has an effective anti-falling function, ensuring the safety of the substation equipment and the personal safety of the test personnel below during the insulation and withstand voltage test of the high-altitude substation equipment.

The technical scheme adopted by the utility model to solve the technical problem is: a mechanically sealed and anti-falling substation equipment pressure test wiring pliers, including two transmission parts, a long screw, a connecting piece, a spring, two linkage rods and Two half closures, the middle parts of the two transmission parts are hinged through the hinge shaft, the long screw is located on one side of the hinge shaft and between the two transmission parts, one end of the long screw is fixed to the side of the hinge shaft, the connecting part is threaded Connected to the long screw; the spring is located on the other side of the hinge shaft and between the two transmission parts, and the two ends of the spring are fixedly connected with the opposite inner surfaces of the two transmission parts; Fixed connection, the other ends of the two linkage rods are respectively hinged with the two half closures, the two half closures are located on the outer side of the spring, and the two half closures are hinged corresponding to one end close to the spring; the opposite inner sides of the two half closures are respectively An inner concave cavity is provided and matched to form a closed cavity when the ends of the two half closures corresponding to the ends away from the spring are closed.

Further, the connector includes a long nut and a connecting head, the end surface of the connecting head is partially provided with protruding teeth at intervals along the circumferential direction, and the side of the connecting head is provided with openings passing through both ends of the connecting head; one end of the long nut is connected to the The side faces of the connector are integrally connected, the other end of the long nut is locked on the long screw, and the outer diameter of the other end of the long nut gradually increases from outside to inside.

Further, one end of the two transmission parts is respectively provided with a first threaded hole, and the first threaded hole and the spring are located on the same side of the hinge shaft, and one end of the two linkage rods is respectively provided with a second threaded hole , the second threaded holes of the two linkage rods are respectively connected with the first threaded holes corresponding to the two transmission parts by screws.

Further, the cavity surfaces of the inner concave cavities of the two half closure parts are respectively semi-elliptical, and the diameter of the inner concave cavity surface of one half of the closure parts is larger than the diameter of the inner concave cavity surface of the other half closure part.

Further, the outer peripheral surface of the other end of the elongated nut is a conical surface.

When the utility model is used on the spot, an insulating long rod is used to connect the connecting parts firmly, and the test wiring is clamped on half of the closing parts with crocodile clips, and the bottom of the insulating long rod is lifted, and the high-voltage side clamp of the substation equipment is put into it. In the cavity enclosed between the two half-closed parts; rotate the long insulating rod clockwise, during the clockwise rotation of the long insulating rod, push the long nut to the inner part of the two transmission parts, so that one or two transmission parts Rotate counterclockwise around its hinge axis, and the other transmission part rotates clockwise around its hinge axis, and at the same time compress the spring; during the rotation of the two transmission parts around its hinge axis, the two half-closed parts are driven to rotate through two linkage rods, and keep them away from the The ends of the spring are brought together until they completely close their elliptical cavity.

The beneficial effect of the utility model is that the utility model has a simple structure, is convenient to use, and does not need to climb a height. The mechanical linkage structure is completely closed to realize the effective anti-falling function of the insulation withstand voltage test wiring of the high-altitude substation equipment, and ensure the insulation and withstand voltage of the high-altitude substation equipment. During the test, the safety of the substation equipment and the personal safety of the test personnel below.

The utility model will be further described in detail below in conjunction with the accompanying drawings and examples; however, a mechanically enclosed and anti-falling substation equipment withstand voltage test wiring clamp of the utility model is not limited to the examples.

Description of drawings

Fig. 1 is a structural representation of the utility model.

Detailed ways

For the embodiment, please refer to Fig. 1, a kind of mechanically enclosed and anti-falling substation equipment withstand voltage test wiring pliers of the present utility model includes two transmission parts 1, 2, a long screw 4, a connecting part 18, a spring 16. Two linkage rods 7, 8 and two half closures 13, 14, the middle parts of the two transmission parts 1, 2 are hinged by the hinge shaft 3, the long screw 4 is located on one side of the hinge shaft 3, and is located on the two transmission parts 1, 2 2, one end of the long screw 4 is firmly connected to the side of the hinge shaft 3, and the connecting piece 18 is screwed to the long screw 4; the spring 16 is located on the other side of the hinge shaft 3 and between the two transmission parts 1, 2 In between, the two ends of the spring 16 are respectively affixed to the opposite inner surfaces of the two transmission parts 1, 2; One end adopts hinge shaft 11 to be hinged with half of the closure part 13, the other end of the other linkage rod 8 adopts hinge shaft 12 to be hinged with the other half closure part 14, and the two half closure parts 13, 14 are positioned at the outside of spring 16, and the The two half closures 13,14 are hinged by the hinge shaft 15 corresponding to one end close to the spring 16; 14 constitutes a closed cavity when the corresponding end away from the spring 16 is closed.

As a preference, the connecting piece 18 includes a long nut 182 and a connecting head 181, the end surface of the connecting head 181 is partially provided with protruding teeth at intervals along the circumferential direction, and the side of the connecting head 181 is provided with openings passing through its two ends; One end of the long nut 182 is integrated with the side of the connector 181, the other end of the long nut 182 is locked on the long screw 4, and the outer diameter of the other end of the long nut 182 is from outside to inside. Incrementally, specifically, the outer peripheral surface 20 at the other end of the elongated nut 182 is a conical surface.

As a preference, the utility model also includes two screws 17, 19, one end of the two transmission parts 1, 2 is respectively provided with a first threaded hole 6, 5, and the first threaded hole 6, 5 is connected with the spring respectively. 16 is located on the same side of the hinge shaft 3, and one end of the two linkage rods 7, 8 is respectively provided with second threaded holes 9, 10, wherein a screw 19 passes through the second threaded hole 9 of the linkage rod 7 and the transmission member 2 in turn. The first threaded hole 5 of the first threaded hole 5 is locked, and the other screw 17 passes through the second threaded hole 10 of the linkage rod 8 and the first threaded hole 6 of the transmission member 1 in sequence and locked.

As a preference, the cavity surfaces of the inner concave cavities of the two half-closure parts 13, 14 are respectively semi-elliptical, and the diameter of the inner concave cavity surface of the half-closure part 14 is larger than that of the other half-closure part 13. The diameter of the cavity surface.

The utility model relates to a mechanically enclosed and anti-falling substation equipment withstand voltage test wiring clamp, all parts of which are made of metal conductive materials. Under normal circumstances, under the stretching tension of its spring 16, the diameters of the openings of the two transmission members 1 and 2 on the same side as the elongated nut 182 are in the minimum state (equal to the outer diameter of the other end port of the elongated nut 182 ), the two half closures 13,14 are in an open state.

When used in the field, an insulating long rod is fixedly connected to the connector 181 of the connector 18: the head of the insulating rod has a protruding tooth structure that engages with the protruding teeth of the connector 181, and the protruding teeth on the head of the insulating long rod After the tooth structure engages with the protruding teeth of the connector 181, use screws to pass through the head of the insulating rod and the side opening of the connector 181 in turn, and lock them with nuts; , lift the bottom of the long insulating rod, put the high-voltage side clamp of the substation equipment into the cavity surrounded by the semi-closed part 13 and the semi-closed part 14; rotate the long insulating rod clockwise, and the long insulating rod rotates clockwise In this process, push the long nut 182 to squeeze and push the inner parts of the openings of the two transmission parts 1 and 2, so that the transmission part 1 rotates counterclockwise around its hinge shaft 3, and the transmission part 2 rotates clockwise around its hinge shaft 3, and at the same time compresses the spring 16. When the transmission member 2 rotates clockwise around its hinge axis 3, it drives the semi-closed member 13 to rotate clockwise around its hinge axis 15 through the linkage rod 7, and when the transmission member 1 rotates counterclockwise around its hinge axis 3, it passes through the linkage rod 8 The semi-closed part 14 is driven to rotate counterclockwise around the hinge shaft 15, and moves closer to the semi-closed part 13 until the elliptical cavity is completely closed.

Because the diameter of the inner concave cavity surface of the semi-closed part 14 is slightly greater than the diameter of the inner concave cavity surface of the semi-closed part 13, the tail end of the semi-closed part 13 can tightly withstand the cavity of the inner concave cavity of the semi-closed part 14 On the surface, so that the elliptical inner cavity formed by the semi-closed part 14 and the semi-closed part 13 can be completely closed, effectively preventing the wire clamp from falling off at a high altitude during the withstand voltage test and hurting people or smashing adjacent substation equipment.

The above-mentioned embodiments are only used to further illustrate a kind of mechanically enclosed and anti-shedding substation equipment withstand voltage test wiring pliers of the present invention, but the present invention is not limited to the embodiments. Any simple modifications, equivalent changes and modifications made in the examples all fall within the scope of protection of the technical solution of the utility model.

Claims (5)

1. A substation equipment withstand voltage test wiring clamp with mechanical sealing and anti-falling, characterized in that it includes two transmission parts, a long screw, a connecting part, a spring, two linkage rods and two half sealing parts, two transmission parts The middle part is hinged by the hinge shaft. The long screw is located on one side of the hinge shaft and between the two transmission parts. One end of the long screw is fixedly connected to the side of the hinge shaft, and the connecting piece is threaded to the long screw; the spring is located on the hinge The other side of the shaft is located between the two transmission parts. The two ends of the spring are fixedly connected to the opposite inner surfaces of the two transmission parts respectively; One end is respectively hinged with the two half closures, the two half closures are located on the outer side of the spring, and the two half closures are hinged corresponding to one end close to the spring; matched to form a closed cavity when the corresponding ends of the two closure halves are closed away from the spring. 2. The mechanically enclosed and anti-falling substation equipment withstand voltage test wiring pliers according to claim 1, characterized in that: the connecting piece includes a long nut and a connecting head, and the end surface of the connecting head is partially provided with convex holes at intervals along the circumferential direction. teeth, and the side of the connector is provided with openings through its two ends; one end of the long nut is integrated with the side of the connector, the other end of the long nut is locked on the long screw, and the long nut The outer diameter of the other end gradually increases from outside to inside. 3. The mechanically enclosed and anti-falling substation equipment withstand voltage test wiring clamp according to claim 1, characterized in that: one end of the two transmission parts is respectively provided with a first threaded hole, and the first threaded hole is connected to the first threaded hole. The spring is located on the same side of the hinge shaft, and one end of the two linkage rods is respectively provided with a second threaded hole, and the second threaded holes of the two linkage rods are respectively connected to the first threaded holes corresponding to the two transmission parts by screws. to connect. 4. The mechanically enclosed and anti-falling substation equipment withstand voltage test wiring clamp according to claim 1, characterized in that: the cavity surfaces of the inner concave cavities of the two half-closed parts are respectively semi-elliptical, and one half of them is closed The diameter of the inner concave cavity surface of the part is greater than the diameter of the inner concave cavity surface of the other half of the closure. 5. The wiring pliers for substation equipment withstand voltage test with mechanical sealing and anti-dropping according to claim 2, characterized in that: the outer peripheral surface of the other end of the elongated nut is a conical surface.