CN209947589U

CN209947589U - Frame structure of current transformer

Info

Publication number: CN209947589U
Application number: CN201920529948.4U
Authority: CN
Inventors: 潘坤; 王志亮; 邓正洋
Original assignee: SHEYANG WEILONG ELECTRIC CO Ltd
Current assignee: SHEYANG WEILONG ELECTRIC CO Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-01-14
Anticipated expiration: 2029-04-18

Abstract

The utility model discloses a current transformer frame construction, comprising a frame body, current transformer has been placed to the last lateral wall of support body, the last lateral wall of support body still rotates and is connected with the supporting rod that two symmetries set up in the current transformer outside, the lower lateral wall of support body is fixed with the threaded rod of vertical setting, the threaded rod top spin has the nut, the lower lateral wall of nut is fixed with two push rods, two all rotate on the supporting rod and be connected with the connecting rod, two the one end that the supporting rod was kept away from to the connecting rod runs through the support body and extends to its downside and rotate jointly and be connected with the connecting plate. The utility model discloses a nut is screwed down and is driven the connecting plate and move down, realizes that the connecting rod pulling supporting rod is turned inwards and is carried out the centre gripping to current transformer, and the installation is dismantled conveniently, drives radiator fan's removal through the telescopic link, realizes that the air current is billowed and dispels the heat to the current transformer surface, guarantees its stable high-efficient work.

Description

Frame structure of current transformer

Technical Field

The utility model relates to a current transformer technical field especially relates to a current transformer frame construction.

Background

The current transformer is an instrument for converting a large primary side current into a small secondary side current according to the electromagnetic induction principle to measure, and consists of a closed iron core and a winding, wherein the primary side winding has few turns and is connected in a circuit of the current to be measured in series. Common circuit transformer generally adopts the mode of direct mount in the cabinet body, and is comparatively inconvenient when subsequently dismantling the maintenance or changing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art, and the current transformer frame construction who provides.

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

a current transformer frame structure comprises a frame body, wherein a current transformer is placed on the upper side wall of the frame body, the upper side wall of the frame body is further rotatably connected with two clamping rods which are symmetrically arranged on the outer side of the current transformer, a vertically arranged threaded rod is fixed on the lower side wall of the frame body, a nut is screwed on the threaded rod, two push rods are fixed on the lower side wall of the nut, connecting rods are rotatably connected to the two clamping rods respectively, one ends of the two connecting rods, far away from the clamping rods, penetrate through the frame body and extend to the lower side of the frame body and are jointly rotatably connected with a connecting plate, the lower ends of the two push rods are in contact with the upper side wall of the connecting plate, a heat dissipation mechanism is arranged on the upper side of the frame body, a plurality of through grooves which are positioned on the lower side of the frame body are uniformly distributed on the, and a wire stringing wheel is installed at one end of the fixed rod, which is far away from the frame body.

Preferably, heat dissipation mechanism includes that two symmetries fix the L type pole of lateral wall on the support body, two the one end that L type pole is relative all is fixed with the mounting panel, two be fixed with the slide bar between the mounting panel, the cover is equipped with the slider on the outer wall of slide bar, radiator fan is installed to the lower lateral wall of slider.

Preferably, a telescopic rod is fixed on one of the mounting plates, and a driving end of the telescopic rod is horizontally arranged and fixedly connected with the outer wall of the sliding block.

Preferably, one end of each clamping rod, which is far away from the frame body, is fixed with a rubber antiskid block.

Compared with the prior art, the current transformer frame structure has the advantages that:

1. the nut is rotated downwards, the push rod pushes the connecting plate to move downwards, the clamping rod is driven by the connecting rod to rotate inwards to clamp the current transformer, fixing is achieved, the nut is rotated upwards, the push rod moves upwards, the pushing rod is relieved from tightly abutting the connecting plate, and clamping relief is completed;

2. the telescopic rod drives the sliding block provided with the cooling fan to move back and forth on the outer wall of the sliding rod, and the air flow blown by the cooling fan is used for cooling the surface of the current transformer, so that the normal and efficient work of the current transformer is ensured;

to sum up, the utility model discloses a nut is screwed down and is driven the connecting plate and move down, realizes that the connecting rod pulling supporting rod is turned to the internal rotation and is carried out the centre gripping to current transformer, and the installation is dismantled conveniently, drives radiator fan's removal through the telescopic link, realizes that the air current is billowed and dispels the heat to the current transformer surface, guarantees its stable high-efficient work.

Drawings

Fig. 1 is a schematic structural diagram of a current transformer frame structure provided by the present invention;

fig. 2 is a top view of the frame body in the current transformer frame structure provided by the present invention.

In the figure: the current transformer comprises a frame body 1, a current transformer 2, clamping rods 3, connecting rods 4, a connecting plate 5, a threaded rod 6, a push rod 7, a fixing rod 8, a rod 9L, a mounting plate 10, a sliding block 11, a cooling fan 12, a through groove 13, a movable opening 14 and a telescopic rod 15.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-2, the current transformer frame structure comprises a frame body 1, a current transformer 2 is placed on the upper side wall of the frame body 1, fixing rods 8 located on the outer side of the current transformer 2 are symmetrically fixed on the upper side wall of the frame body 1, a stringing wheel is installed at one end, far away from the frame body 1, of each fixing rod 8, the stringing wheel is arranged to place a cable connected with the current transformer 2, and bending or winding damage of the cable is avoided. The upper side wall of the frame body 1 is also rotatably connected with two clamping rods 3 which are symmetrically arranged at the outer side of the current transformer 2, one end of each clamping rod 3, which is far away from the frame body 1, is fixedly provided with a rubber antiskid block, the arranged rubber antiskid blocks can generate deformation through extrusion when the clamping rods 3 rotate to collide with the outer wall of the current transformer 2, sufficient contact area is ensured, and friction force at a contact part is increased, the lower side wall of the frame body 1 is fixedly provided with a vertically arranged threaded rod 6, the threaded rod 6 is screwed with a nut, the lower side wall of the nut is fixedly provided with two push rods 7, the two clamping rods 3 are both rotatably connected with connecting rods 4, one ends, which are far away from the clamping rods 3, of the two connecting rods 4 penetrate through the frame body 1 to extend to the lower side of the frame body and are jointly and rotatably connected with a connecting plate 5, the threaded rod 6 is positioned in the middle, after current transformer 2 was put lateral wall on support body 1, down swivel nut, drive push rod 7 and move down and contact with connecting plate 5, extrusion movable plate 5 moves down, through connecting rod 4 pulling two holding rod 3 toward inboard rotation carry out the centre gripping fixed to current transformer 2, when carrying out the dismantlement of current transformer 2, up swivel nut, it can to the connecting plate 5 the support tightly to relieve push rod 7. The upside of support body 1 is equipped with heat dissipation mechanism, heat dissipation mechanism includes that two symmetries fix the L type pole 9 of lateral wall on support body 1, two L type pole 9 relative one ends all are fixed with mounting panel 10, be fixed with the slide bar between two mounting panels 10, the cover is equipped with slider 11 on the outer wall of slide bar, radiator fan 12 is installed to slider 11's the lower lateral wall, be fixed with telescopic link 15 on one of them mounting panel 10, telescopic link 15's drive end level set up and with slider 11's outer wall fixed connection, telescopic link 15's drive end stretches out and draws back, it slides on the slide bar outer wall to drive slider 11, realize about radiator fan 12 and remove, the air current that moves through radiator fan 12 is dispelled the heat to current transformer 2's surface, telescopic link 15 can adopt electric telescopic handle, the.

Evenly distributed has a plurality of logical grooves 13 that are located 1 downside of support body on the support body 1, sets up a plurality of logical grooves 13 and reduces the area of contact with support body 1, and increase and air area of contact guarantee the radiating effect, and support body 1 has seted up activity mouth 14 with connecting rod 4's junction, and the activity mouth 14 of setting is so that connecting rod 4 moves about when connecting plate 5 reciprocates.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

Now, the operation principle of the present invention is explained as follows:

put current transformer 2 at the upside of support body 1, down swivel nut, the lower extreme and the connecting plate 5 contact of push rod 7, extrusion connecting plate 5 is down removed, it supports tightly towards inboard rotation and current transformer 2's outer wall contact through connecting rod 4 pulling supporting rod 3, accomplish current transformer 2's fixed, when carrying out current transformer 2's dismantlement, swivel nut up, make push rod 7 to the connection plate 5 support tightly remove can, in the course of the work of reality, telescopic link 15 drives about slider 11, radiator fan 12 is down to blast the air current and dispel the heat to current transformer 2 surface.

Claims

1. The current transformer frame structure comprises a frame body (1) and is characterized in that a current transformer (2) is placed on the upper side wall of the frame body (1), the upper side wall of the frame body (1) is further rotatably connected with two clamping rods (3) which are symmetrically arranged on the outer side of the current transformer (2), the lower side wall of the frame body (1) is fixed with a vertically arranged threaded rod (6), a nut is screwed on the threaded rod (6), the lower side wall of the nut is fixed with two push rods (7), the two clamping rods (3) are both rotatably connected with connecting rods (4), one ends, far away from the clamping rods (3), of the two connecting rods (4 penetrate through the frame body (1) to extend to the lower side of the frame body and are jointly rotatably connected with a connecting plate (5), the lower ends of the two push rods (7) are in contact with the upper side wall of the connecting plate (5), and the upper side, evenly distributed has a plurality of logical groove (13) that are located support body (1) downside on support body (1), expansion mouth (14) have been seted up with the junction of connecting rod (4) in support body (1), the last lateral wall symmetry of support body (1) is fixed with dead lever (8) that are located the current transformer (2) outside, the overhead line wheel is installed to the one end that support body (1) was kept away from in dead lever (8).

2. The current transformer frame structure according to claim 1, wherein the heat dissipation mechanism comprises two L-shaped rods (9) symmetrically fixed on the upper side wall of the frame body (1), two opposite ends of the L-shaped rods (9) are respectively fixed with a mounting plate (10), a sliding rod is fixed between the two mounting plates (10), a sliding block (11) is sleeved on the outer wall of the sliding rod, and a heat dissipation fan (12) is installed on the lower side wall of the sliding block (11).

3. The current transformer frame structure according to claim 2, characterized in that a telescopic rod (15) is fixed on one of the mounting plates (10), and the driving end of the telescopic rod (15) is horizontally arranged and fixedly connected with the outer wall of the sliding block (11).

4. The current transformer frame structure according to claim 3, wherein a rubber anti-slip block is fixed on one end of each clamping rod (3) far away from the frame body (1).