CN215005579U

CN215005579U - Current transformer end screen wire clamp

Info

Publication number: CN215005579U
Application number: CN202120922773.0U
Authority: CN
Inventors: 胡杰; 林海涌
Original assignee: Xinyang Yudian Transformer Co ltd
Current assignee: Xinyang Yudian Transformer Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-12-03
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a current transformer end screen fastener, including the pipe box, two through-holes, every have been seted up to the symmetry on the lateral wall of pipe box equal sliding connection has a straight section of thick bamboo in the through-hole, every equal sliding connection has a slide in the straight section of thick bamboo, every two springs of the equal symmetrical fixedly connected with in one side of slide, every the equal fixed connection of the other end of spring is on the inner wall of a straight section of thick bamboo, every the equal fixedly connected with bracing piece of opposite side of slide, every the other end of bracing piece all runs through a straight section of thick bamboo and fixedly connected with arc clamp splice, two the center department of arc clamp splice is provided with the terminal, every jointly the straight section of thick bamboo deviates from the equal fixedly connected with pinion rack of one end of arc clamp splice. The utility model discloses, through the cooperation setting of pinion rack, pawl and bolt, can carry out the centre gripping according to the diameter size of terminal, prevent to appear because the phenomenon that the terminal diameter is inconsistent and lead to droing, and then can normal use after making the pipe box centre gripping.

Description

Current transformer end screen wire clamp

Technical Field

The utility model relates to a current transformer technical field especially relates to a current transformer end screen fastener.

Background

In a national power grid, a high-voltage medium loss test is an important work for checking whether a power grid normally operates, in the process of carrying out the high-voltage medium loss test, a worker needs to clamp a connecting wire of a high-voltage medium loss tester on a binding post of equipment to be tested through a power wire clamp, the existing power wire clamp is composed of two clamping plates hinged together and a torsion spring arranged on a hinge shaft, the front end of the power wire clamp is flat and small in clamping force, the power wire clamp is easy to fall off when being dragged by strong wind or external force, particularly when testing high-altitude power equipment, the worker needs to climb to the high-altitude power equipment for clamping the power wire clamp on the equipment to be tested for the second time, time and labor are wasted in installation, and the working efficiency is low.

In order to solve the above problems, the prior patent with publication number CN205691615U discloses a current transformer end shield wire clamp with a firm clamping structure, anti-falling, time-saving and labor-saving installation, and improved operation efficiency, which comprises a pipe sleeve, wherein two axial holes are arranged on the pipe wall of the pipe sleeve in a radial and opposite arrangement, hollow buttons with openings pointing to the axis of the pipe sleeve are respectively arranged in the two axial holes, a slide way is arranged on the pipe sleeve at the hole wall of the axial hole, a slide block arranged in the slide way is arranged on the side wall of the hollow button, two arc-shaped clamping blocks arranged in an opposite buckling manner are arranged in the pipe sleeve, shaft rods perpendicular to the arc-shaped clamping blocks are respectively arranged at the centers of the outer arc surfaces of the two arc-shaped clamping blocks, the shaft rods are inserted into the corresponding hollow buttons, compression springs are arranged in the hollow buttons, the compression springs are abutted against the inner walls of the hollow buttons by the shaft rods, because the current transformer end shield wire clamp is sleeved on a device to be tested through the pipe sleeve, the phenomenon of falling is prevented, the phenomenon that the operator climbs the high-altitude power equipment for the second time and reconnects due to falling is effectively prevented, and the operation efficiency is improved.

But only cup joint to the terminal of same diameter size among the prior patent technology, if the diameter size is inconsistent, will lead to the pipe box can't cup joint on the terminal, and then lead to the condition that the pipe box can't use.

To solve the problems, we provide a current transformer end screen wire clamp.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art "but only cup joint to the terminal of same diameter size among the current patent technology, if the diameter size is inconsistent, will lead to the pipe box can't cup joint on the terminal, and then lead to the defect of the unable condition that uses of pipe box" to provide a current transformer end screen fastener.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a current transformer end screen wire clamp comprises a pipe sleeve, wherein two through holes are symmetrically formed in the side wall of the pipe sleeve, a straight cylinder is connected in each through hole in a sliding manner, a sliding plate is connected in each straight cylinder in a sliding manner, two springs are symmetrically and fixedly connected to one side of each sliding plate, the other end of each spring is fixedly connected to the inner wall of each straight cylinder, a supporting rod is fixedly connected to the other side of each sliding plate, the other end of each supporting rod penetrates through the straight cylinder and is fixedly connected with an arc-shaped clamping block, a binding post is commonly arranged at the center of each arc-shaped clamping block, one end, away from the arc-shaped clamping block, of each straight cylinder is fixedly connected with a toothed plate, one side of each toothed plate is connected with a gear in a meshing manner, a pawl groove is formed in the center of each gear, a pawl is connected in a meshing manner in each pawl groove, and the other end of each pawl is rotatably connected with a rotating wheel, every the equal vertical fixed interlude of center department of rotating the wheel has the montant, every the equal fixedly connected with turning block of the other end of montant, two backup pads of symmetry fixedly connected with on the lateral wall of pipe box, every the up end of backup pad is all seted up flutedly, every the turning block is all rotated and is connected in the recess, every equal vertical section of thick bamboo, every of having cup jointed on the montant the equal fixed connection in the lower terminal surface of gear, every the other end of a vertical section of thick bamboo all rotates the up end of connecting at the turning block.

Preferably, a screw needle is fixedly connected to the side wall of the pipe sleeve, and a lead is mounted on the screw needle.

Preferably, two slide blocks are symmetrically and fixedly connected to the side walls of the through holes, slide grooves are formed in the side walls of the two straight cylinders, and each slide block is slidably connected to each slide groove.

Preferably, the two rotating wheels are fixedly connected with connecting columns, each connecting column is fixedly sleeved with a torsion spring, the other end of each connecting column is rotatably connected with a limiting claw, and the other end of each limiting claw abuts against the pawl.

Preferably, a plurality of limiting holes are formed in the two rotating blocks at equal intervals, through holes are formed in the two supporting plates, and bolts are connected to the limiting holes and the through holes in a sliding mode.

Preferably, both of the support rods are slidably connected in the inner wall of the straight cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

through the cooperation setting of pinion rack, pawl and bolt, can carry out the centre gripping according to the diameter size of terminal, prevent to appear because the phenomenon that the terminal diameter size is inconsistent and lead to droing, and then can normal use after making the pipe box centre gripping.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a current transformer end screen wire clamp provided by the utility model;

fig. 2 is a schematic view of a top-view cross-sectional structure of a current transformer end screen wire clamp provided by the present invention;

fig. 3 is a schematic view of an elevational cross-sectional structure of a current transformer end screen wire clamp provided by the utility model;

fig. 4 is an enlarged schematic structural diagram of a point a in fig. 2 according to the present invention.

In the figure: the device comprises a pipe sleeve 1, a screw needle 2, a straight cylinder 3, a supporting rod 4, a spring 5, a toothed plate 6, a gear 7, a rotating wheel 8, a vertical cylinder 9, a vertical rod 10, a supporting plate 11, a bolt 12, a rotating block 13, an arc-shaped clamping block 14 and a wiring terminal 15.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 being 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.

Referring to fig. 1-4, a current transformer end screen wire clamp comprises a pipe sleeve 1, two through holes are symmetrically formed in the side wall of the pipe sleeve 1, a straight cylinder 3 is slidably connected in each through hole, a sliding plate is slidably connected in each straight cylinder 3, two springs 5 are symmetrically and fixedly connected to one side of each sliding plate, the other end of each spring 5 is fixedly connected to the inner wall of each straight cylinder 3, a support rod 4 is fixedly connected to the other side of each sliding plate, the other end of each support rod 4 penetrates through the straight cylinder 3 and is fixedly connected with an arc-shaped clamping block 14, a binding post 15 is commonly arranged at the center of the two arc-shaped clamping blocks 14, a toothed plate 6 is fixedly connected to one end of each straight cylinder 3, which is far away from the arc-shaped clamping block 14, a gear 7 is engaged and connected to one side of each toothed plate 6, a groove is formed in the center of each gear 7, and a pawl is engaged and connected to each pawl groove, the other end of every pawl all rotates and is connected with and rotates wheel 8, every rotates the equal vertical fixed interlude of center department of wheel 8 and has montant 10, the equal fixedly connected with turning block 13 of the other end of every montant 10, two backup pads 11 of symmetry fixedly connected with on the lateral wall of pipe box 1, the up end of every backup pad 11 all is seted up flutedly, every turning block 13 all rotates and connects in the recess, equal vertical a section of thick bamboo 9 of having cup jointed on every montant 10, the equal fixed connection of one end of every a section of thick bamboo 9 is at the lower terminal surface of pinion rack 6, the other end of every a section of thick bamboo 9 all rotates the up end of connecting at turning block 13, through pinion rack 6, pawl and 12's cooperation sets up, can carry out the centre gripping according to the diameter size of terminal 15, prevent to appear because the phenomenon that 15 diameters of terminal are inconsistent and lead to droing, and then can normal use behind the centre gripping of messenger's pipe box 1.

Wherein, fixedly connected with spiral needle 2 on the lateral wall of pipe box 1, install the lead wire on spiral needle 2, spiral needle 2 can play the effect of connecting the lead wire.

Wherein, equal two sliders of symmetry fixedly connected with on the lateral wall of two through-holes, seted up the spout on the lateral wall of two straight section of thick bamboo 3, every slider sliding connection is in the spout, and straight section of thick bamboo 3 can be interactive about in the through-hole.

Wherein, equal fixedly connected with spliced pole on two commentaries on classics wheels 8, all fixedly cup jointed the torsional spring on every spliced pole, the other end of every spliced pole all rotates and is connected with spacing claw, and the other end of every spacing claw all supports on the pawl, and spacing claw can carry on spacingly to the pawl, prevents that the pawl from droing from the pawl groove.

Wherein, a plurality of spacing holes have been seted up to impartial interval on two turning blocks 13, have all seted up the through-hole on two backup pads 11, and sliding connection has bolt 12 in spacing hole and the through-hole, and bolt 12 can be fixed turning block 13.

Wherein, two bracing pieces 4 all sliding connection in the inner wall of straight section of thick bamboo 3, bracing piece 4 can drive arc clamp splice 14 and remove.

In the utility model, when the test operation is carried out, the bolt 12 is inserted in the through hole, firstly, the lead wire is connected to a test instrument, then the pipe sleeve 1 is sleeved on the terminal 15 of the test equipment, the toothed plate 6 is pushed by hands, so that the two toothed plates 6 move relatively, in the process of pushing the toothed plate 6, the support rod 4 drives the arc-shaped clamping block 14 to move relatively, the terminal 15 is clamped, after the clamping, the support rod 4 can reversely compress the spring 5, the spring 5 can push the support rod 4, the support rod 4 can push the toothed plate 6 relatively, the toothed plate 6 can push the gear 7 relatively, but the pawl can be supported in the pawl groove, so that the toothed plate 6 is kept still, and further, the arc-shaped clamping block 14 can not move;

when the pipe sleeve is disassembled, firstly, the bolt 12 is taken out, the toothed plate 6 is pulled outwards by hands, the toothed plate 6 drives the gear 7 to rotate anticlockwise, the gear 7 drives the rotating wheel 8 to rotate anticlockwise through the pawl, the rotating wheel 8 drives the rotating block 13 to rotate through the vertical rod 10, the toothed plate 6 drives the straight cylinder 3 to move back and forth, the straight cylinder 3 drives the arc-shaped clamping block 14 to move back and forth through the supporting rod 4, and then the pipe sleeve 1 is taken down; through the cooperation setting of pinion rack 6, pawl and bolt 12, can carry out the centre gripping according to the diameter size of terminal 15, prevent to appear because 15 diameters of terminal size nonconformity and lead to the phenomenon that drops, and then can normal use after making the centre gripping of pipe box 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a current transformer end screen fastener, includes pipe box (1), its characterized in that, two through-holes have been seted up to the symmetry on the lateral wall of pipe box (1), every equal sliding connection has straight section of thick bamboo (3) in the through-hole, every equal sliding connection has a slide in straight section of thick bamboo (3), every one side equal symmetry fixedly connected with two springs (5) of slide, every the other end of spring (5) all fixedly connected on the inner wall of straight section of thick bamboo (3), every the opposite side of slide all fixedly connected with bracing piece (4), every the other end of bracing piece (4) all runs through straight section of thick bamboo (3) and fixedly connected with arc clamp splice (14), two the center department of arc clamp splice (14) is provided with terminal (15) jointly, every straight section of thick bamboo (3) deviate from equal fixedly connected with pinion rack (6) of one end of arc clamp splice (14), one side of each toothed plate (6) is connected with a gear (7) in a meshing manner, a pawl groove is formed in the center of each gear (7), a pawl is connected in each pawl groove in a meshing manner, the other end of each pawl is rotatably connected with a rotating wheel (8), a vertical rod (10) is vertically and fixedly inserted in the center of each rotating wheel (8), and a rotating block (13) is fixedly connected to the other end of each vertical rod (10), two supporting plates (11) are symmetrically and fixedly connected to the side wall of the pipe sleeve (1), a groove is formed in the upper end face of each supporting plate (11), each rotating block (13) is rotatably connected in the groove, every equal vertical section of thick bamboo (9) of having cup jointed on montant (10), every the equal fixed connection of one end of a vertical section of thick bamboo (9) is at the lower terminal surface of pinion rack (6), every the other end of a vertical section of thick bamboo (9) all rotates the up end of connecting at turning block (13).

2. The terminal clamp of the current transformer according to claim 1, characterized in that a screw (2) is fixedly connected to the side wall of the pipe sleeve (1), and a lead is installed on the screw (2).

3. The terminal screen clamp of the current transformer according to claim 1, wherein two sliding blocks are symmetrically and fixedly connected to the side walls of the two through holes, sliding grooves are formed in the side walls of the two straight cylinders (3), and each sliding block is slidably connected to the sliding groove.

4. The terminal clamp of a current transformer as claimed in claim 1, wherein connecting posts are fixedly connected to both of said rotating wheels (8), each connecting post is fixedly sleeved with a torsion spring, the other end of each connecting post is rotatably connected with a limiting claw, and the other end of each limiting claw abuts against a pawl.

5. The terminal screen clamp of the current transformer as claimed in claim 1, wherein a plurality of limiting holes are formed on the two rotating blocks (13) at equal intervals, through holes are formed on the two supporting plates (11), and a bolt (12) is slidably connected in the limiting holes and the through holes.

6. A current transformer end clamp according to claim 1, characterized in that both said support rods (4) are slidably connected in the inner wall of the straight barrel (3).