CN212809947U

CN212809947U - Telescopic voltage transformer protection device

Info

Publication number: CN212809947U
Application number: CN202021147707.2U
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiangsu Yongtai Electric Apparatus Co ltd
Current assignee: Jiangsu Yongtai Electric Apparatus Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-03-26
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a telescopic voltage transformer protection device, including base and mutual-inductor, the base passes through the connecting piece with the bottom plate of mutual-inductor and is connected, sliding connection has two U templates, two on the base all be equipped with moving mechanism, two between the up end of U template and base two equal sliding connection of lateral wall that the U template was carried on the back mutually has the movable plate, two all be equipped with driving mechanism between movable plate and the U template that corresponds. The utility model has reasonable structural design, can open the whole protective device, is convenient to install and disassemble the mutual inductor, and is convenient and rapid; the movable plate can be moved upwards, the two cover plates can move relatively, the upper end of the mutual inductor is directly covered and protected, a certain uncovered area is formed between the movable plate and the cover plates, on one hand, the heat dissipation of the mutual inductor is facilitated, on the other hand, a through space of an upper connecting line of the mutual inductor is provided, and the movable plate is practical.

Description

Telescopic voltage transformer protection device

Technical Field

The utility model relates to a voltage transformer technical field especially relates to a telescopic voltage transformer protection device.

Background

Voltage transformers, like transformers, are instruments used to transform the voltage on a line. The traditional voltage transformer has relatively deficient protection measures, and only the voltage transformer is simply subjected to isolation protection on the whole, but the protection mode causes the voltage transformer to be troublesome in the use process, cannot be adjusted correspondingly according to the actual use condition of the voltage transformer, has poor protection performance and influences the normal work of the voltage transformer; therefore, a telescopic voltage transformer protection device is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art and providing a telescopic voltage transformer protection device.

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

the utility model provides a telescopic voltage transformer protection device, includes base and mutual-inductor, the base passes through the connecting piece with the bottom plate of mutual-inductor and is connected, sliding connection has two U templates, two on the base all be equipped with moving mechanism, two between the up end of U template and base two equal sliding connection of lateral wall that the U template was carried on the back mutually has the movable plate, two all be equipped with driving mechanism, two between movable plate and the U template that corresponds the equal sliding connection in upper end of movable plate has the apron, two all be equipped with follower between apron and the movable plate that corresponds.

Preferably, moving mechanism is including setting up the mounting groove on the base, the first connecting block of lower terminal surface fixedly connected with of U template, be connected through two springs between the inner wall of first connecting block and mounting groove, the lateral wall fixedly connected with action bars of first connecting block, the one end of action bars run through the lateral wall of base and rather than sliding connection.

Preferably, the active mechanism is including setting up the sliding tray at the movable plate lateral wall, the sliding tray internal rotation is connected with first threaded rod, the lateral wall fixedly connected with second connecting block of U template, first threaded rod run through the second connecting block and rather than threaded connection, the bottom fixedly connected with dwang of first threaded rod, the dwang runs through the movable plate and is connected rather than rotating, the upper end fixedly connected with connecting rod of first threaded rod, the first conical gear of upper end fixedly connected with of connecting rod.

Preferably, follower is including setting up the spout of terminal surface under the apron, the inner wall fixedly connected with second threaded rod of spout, the up end fixedly connected with third connecting block of movable plate, the lateral wall cover of second threaded rod is equipped with the second bevel gear rather than threaded connection, second bevel gear rotates with the lateral wall of third connecting block to be connected, the second threaded rod runs through the third connecting block and rather than sliding connection, first bevel gear and second bevel gear intermeshing.

Preferably, the connecting rod penetrates through the moving plate and is rotatably connected with the moving plate, and the upper end of the connecting rod extends into the sliding groove.

Preferably, the bottom end cover of dwang is equipped with the rubber pad.

Compared with the prior art, the utility model, its beneficial effect does:

1. through moving mechanism's effect, can open whole protector, the convenience is dismantled convenient and fast to the installation of mutual-inductor.

2. Through the combined action of driving mechanism and follower, can realize the in-process that the movable plate rises, two apron relative movement directly cover the protection to the upper end of mutual-inductor to form certain uncovered area between movable plate and the apron, make things convenient for the heat dissipation of mutual-inductor on the one hand, on the other hand provides interconnecting link on the mutual-inductor and runs through the space, it is comparatively practical.

In conclusion, the whole protection device can be opened, the mutual inductor can be conveniently mounted and dismounted, and the convenience and the rapidness are realized; the movable plate can be moved upwards, the two cover plates can move relatively, the upper end of the mutual inductor is directly covered and protected, a certain uncovered area is formed between the movable plate and the cover plates, on one hand, the heat dissipation of the mutual inductor is facilitated, on the other hand, a through space of an upper connecting line of the mutual inductor is provided, and the movable plate is practical.

Drawings

Fig. 1 is a schematic structural diagram of a telescopic voltage transformer protection device provided by the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a top view of the retractable voltage transformer protection device provided by the present invention.

In the figure: the device comprises a base 1, a mounting groove 2, an operating rod 3, a spring 4, a U-shaped plate 5, a first connecting block 6, a mutual inductor 7, a moving plate 8, a sliding groove 9, a first threaded rod 10, a second connecting block 11, a rotating rod 12, a cover plate 13, a sliding groove 14, a second threaded rod 15, a second bevel gear 16, a first bevel gear 17, a third connecting block 18 and a connecting rod 19.

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.

Referring to fig. 1-3, a telescopic protection device for a voltage transformer comprises a base 1 and a transformer 7, wherein the base 1 is connected with a bottom plate of the transformer 7 through a connecting piece, the base 1 is connected with two U-shaped plates 5 in a sliding manner, a moving mechanism is arranged between the two U-shaped plates 5 and the upper end surface of the base 1 and comprises a mounting groove 2 arranged on the base 1, the lower end surface of the U-shaped plate 5 is fixedly connected with a first connecting block 6, the first connecting block 6 is connected with the inner wall of the mounting groove 2 through two springs 4, the side wall of the first connecting block 6 is fixedly connected with an operating rod 3, one end of the operating rod 3 penetrates through the side wall of the base 1 and is connected with the base in a sliding manner, when the transformer 7 needs to be taken out, the two operating rods 3 are pulled, the two operating rods 3 move back to drive, the mutual inductor 7 is convenient to take out, and is convenient and fast.

Two opposite side walls of the two U-shaped plates 5 are both connected with a movable plate 8 in a sliding manner, an active mechanism is arranged between each movable plate 8 and the corresponding U-shaped plate 5, each active mechanism comprises a sliding groove 9 arranged on the side wall of each movable plate 8, a first threaded rod 10 is connected in the sliding groove 9 in a rotating manner, the side wall of each U-shaped plate 5 is fixedly connected with a second connecting block 11, each first threaded rod 10 penetrates through each second connecting block 11 and is in threaded connection with the corresponding second connecting block, the bottom end of each first threaded rod 10 is fixedly connected with a rotating rod 12, each rotating rod 12 penetrates through each movable plate 8 and is in rotating connection with the corresponding movable plate, the bottom end of each rotating rod 12 is sleeved with a rubber pad, the upper end of each first threaded rod 10 is fixedly connected with a connecting rod 19, each connecting rod 19 penetrates through each movable plate 8 and is, dwang 12 rotates and drives first threaded rod 10 and rotates, because second connecting block 11 is by the spacing unable rotation of sliding tray 9, upward movement when first threaded rod 10 rotates, and then drives movable plate 8 upward movement, and first threaded rod 10 rotates simultaneously and drives first conical gear 17 and rotate.

The upper ends of the two moving plates 8 are both connected with a cover plate 13 in a sliding manner, a driven mechanism is arranged between each cover plate 13 and the corresponding moving plate 8, the driven mechanism comprises a sliding groove 14 arranged on the lower end surface of each cover plate 13, the inner wall of each sliding groove 14 is fixedly connected with a second threaded rod 15, the upper end surface of each moving plate 8 is fixedly connected with a third connecting block 18, the outer side wall of each second threaded rod 15 is sleeved with a second bevel gear 16 in threaded connection with the second threaded rod, the second bevel gear 16 is rotationally connected with the side wall of the third connecting block 18, the second threaded rods 15 penetrate through the third connecting blocks 18 and are slidably connected with the third connecting blocks, the first bevel gears 17 are meshed with the second bevel gears 16, the first bevel gears 17 rotate to drive the second bevel gears 16 to rotate, the second bevel gears 16 are limited by the third connecting blocks 18 and cannot move, the second bevel gears 16 are in threaded connection with the second threaded, so can realize at the in-process that the movable plate 8 rises, two apron 13 relative movement, directly cover the protection to the upper end of mutual-inductor 7 to form certain uncovered area between movable plate 8 and the apron 13, make things convenient for the heat dissipation of mutual-inductor 7 on the one hand, on the other hand provides interconnecting link's on the mutual-inductor 7 space of running through, and is comparatively practical.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

in the utility model, when the connecting circuit at the upper end of the mutual inductor 7 needs to be operated, the rotating rod 12 is rotated, the rotating rod 12 rotates to drive the first threaded rod 10 to rotate, because the second connecting block 11 can not rotate by being limited by the sliding groove 9, the first threaded rod 10 moves downwards when rotating, and further drives the moving plate 8 to move downwards, meanwhile, the first threaded rod 10 rotates to drive the first bevel gear 17 to rotate, the first bevel gear 17 rotates to drive the second bevel gear 16 to rotate, because the second bevel gear 16 can not move by being limited by the third connecting block 18, and the second bevel gear 16 is in threaded connection with the second threaded rod 15, the second bevel gear 16 rotates to drive the second threaded rod 15 to move, thus, in the process that the moving plate 8 descends, the two cover plates 13 move back to back, the upper end of the mutual inductor 7 is exposed, the connecting circuit at the upper end of the mutual, need not to dismantle the whole protector of following of mutual-inductor 7, can operate according to the in-service use condition, it is comparatively practical convenient.

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 telescopic voltage transformer protection device, includes base (1) and mutual-inductor (7), its characterized in that, base (1) passes through the connecting piece with the bottom plate of mutual-inductor (7) and is connected, sliding connection has two U template (5) on base (1), two all be equipped with moving mechanism, two between the up end of U template (5) and base (1) two equal sliding connection of lateral wall that U template (5) carried on the back mutually has movable plate (8), two all be equipped with driving mechanism, two between movable plate (8) and the U template (5) that correspond the equal sliding connection in upper end of movable plate (8) has apron (13), two all be equipped with follower between apron (13) and the movable plate (8) that corresponds.

2. A telescopic protection device for a voltage transformer according to claim 1, wherein the moving mechanism comprises a mounting groove (2) disposed on the base (1), a first connecting block (6) is fixedly connected to the lower end surface of the U-shaped plate (5), the first connecting block (6) is connected to the inner wall of the mounting groove (2) through two springs (4), an operating rod (3) is fixedly connected to the side wall of the first connecting block (6), and one end of the operating rod (3) penetrates through the side wall of the base (1) and is slidably connected with the side wall.

3. A telescopic voltage transformer protection device according to claim 1, characterized in that the active mechanism includes a sliding groove (9) provided at a side wall of the moving plate (8), a first threaded rod (10) is rotationally connected in the sliding groove (9), a second connecting block (11) is fixedly connected to a side wall of the U-shaped plate (5), the first threaded rod (10) penetrates through the second connecting block (11) and is in threaded connection with the second connecting block, a rotating rod (12) is fixedly connected to a bottom end of the first threaded rod (10), the rotating rod (12) penetrates through the moving plate (8) and is rotationally connected with the moving plate, a connecting rod (19) is fixedly connected to an upper end of the first threaded rod (10), and a first bevel gear (17) is fixedly connected to an upper end of the connecting rod (19).

4. A retractable voltage transformer protection device as claimed in claim 3, wherein said driven mechanism comprises a sliding groove (14) disposed on the lower end surface of the cover plate (13), a second threaded rod (15) is fixedly connected to the inner wall of the sliding groove (14), a third connecting block (18) is fixedly connected to the upper end surface of the moving plate (8), a second bevel gear (16) in threaded connection with the second threaded rod is sleeved on the outer side wall of the second threaded rod (15), the second bevel gear (16) is rotatably connected with the side wall of the third connecting block (18), the second threaded rod (15) penetrates through the third connecting block (18) and is slidably connected with the third connecting block, and the first bevel gear (17) and the second bevel gear (16) are meshed with each other.

5. A retractable voltage transformer protector as claimed in claim 3, characterized in that said connecting rod (19) extends through the moving plate (8) and is rotatably connected thereto, the upper end of said connecting rod (19) extending into the chute (14).

6. A telescopic potential transformer protection according to claim 3, characterised in that the bottom end of the swivelling levers (12) is fitted with a rubber pad.