CN112242224A

CN112242224A - Transformer cover plate

Info

Publication number: CN112242224A
Application number: CN201910638023.8A
Authority: CN
Inventors: 郑霖
Original assignee: Wuhan Jiukong Electric Technology Co ltd
Current assignee: Wuhan Jiukong Electric Technology Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2021-01-19

Abstract

The invention discloses a transformer cover plate which comprises a top cover and a square frame arranged on the bottom surface of the top cover, wherein a through hole is formed in the center of each side of the frame, a locking mechanism is arranged on the bottom surface of the top cover along the direction vertical to the four sides of the frame, the locking mechanism is provided with a locking rod vertically extending into each through hole, an operating mechanism is arranged in the center of the bottom surface of the top cover and used for pushing the locking rod of each locking mechanism to protrude outwards to the outside of each through hole, and the operating part of the operating mechanism is arranged in the center of the top surface of the top cover. Compared with the existing bolt installation mode of the cover plate, the cover plate does not need to detach bolts one by one, is more time-saving and labor-saving, and can meet the time requirement of rapid implementation in emergency maintenance.

Description

Transformer cover plate

Technical Field

The invention relates to the technical field of transformers, in particular to a transformer cover plate.

Background

The transformer is a facility for changing the power supply voltage, and the high-voltage power transmitted by the high-voltage cable can be converted into the 220V voltage commonly used by families through the transformer action. The transformer apron is the closing cap at transformer machine top portion, also is the maintenance mouth of transformer, and current transformer apron connects to make it fix on transformer machine case through a plurality of bolts are twisted, and the dismantlement all need be pulled down one by one earlier or the bolt of twist into with the process of packing into, and this process is comparatively loaded down with trivial details, wastes time and energy, and especially when the transformer needs urgent maintenance, this kind of structure can produce great influence to maintenance speed undoubtedly.

Disclosure of Invention

The invention aims to optimize the structure of the cover plate of the transformer case, so that the cover plate can be disassembled or assembled more quickly and conveniently, time and labor are saved, and the speed of emergency maintenance can be ensured.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a transformer cover plate, includes the top cap and establishes the frame of square on the top cap bottom surface, the through-hole has all been seted up to the central point of every limit of frame position, respectively be equipped with a latched device along the direction of the four limits of perpendicular to frame on the bottom surface of top cap, latched device has the locking lever that stretches into in every through-hole perpendicularly, the center department of top cap bottom surface is equipped with operating device and is used for promoting the locking lever of each latched device outwards to bulge to every through-hole outside, operating device's operation position is established in the center department of top cap top surface.

Preferably, the transformer cover plate, latched device is including the attached pellet that sets up the cuboid form on the top cap bottom surface, be equipped with on the bottom surface of top cap with four limits of frame four bar grooves of vertically respectively, the top of pellet is established the fixture block card and is gone into the bar groove and make it can slide along the bar groove, the pellet is close to the locking lever in the one end connection perpendicular through-hole that stretches into on the frame of frame, the one end connecting pin pole of keeping away from the frame, the one end that the pellet is close to the frame is equipped with a locking spring parallel with the locking lever respectively in the both sides of locking lever, the other end of locking spring is fixed on the edge.

Preferably, the transformer apron, operating device includes the regulation section of thick bamboo that the perpendicular downward protrusion of center department in the top cap bottom surface set up, the lower extreme of adjusting a section of thick bamboo is sealed, the upper end upwards runs through to the top surface of top cap, establish the internal thread on the inner wall of regulation section of thick bamboo, the inside of adjusting a section of thick bamboo is equipped with the regulating block, the regulating block is by the column piece on upper portion and frustum form piece integrated into one piece of lower part, be equipped with on the lateral wall of column piece with the internal thread assorted external screw thread of adjusting a section of thick bamboo inner wall, follow the hoop on the lateral wall of regulation section of thick bamboo and on a plurality of inserted holes of same high department opening, latched device's pin rod inserts and supports on the lateral wall.

Preferably, the rotary slot of the transformer cover plate is a triangular slot.

Preferably, the end face of one end of the core block, which faces the adjusting cylinder, of the transformer cover plate is an arc surface matched with the outer wall of the adjusting cylinder.

Preferably, in the transformer cover plate, an end face of one end of the pin rod, which abuts against the side wall of the frustum-shaped block, is an arc surface matched with the side wall of the frustum-shaped block.

Compared with the prior art, the invention has the beneficial effects that:

1. the process of assembling or disassembling the cover plate provided by the invention is simple, the operation is convenient, and the specific process is as follows: when the transformer is installed, the cover plate is covered on the transformer case, a tool is taken and inserted into a rotating slot on the top surface of the columnar block, the columnar block is rotated to enable the columnar block to rotate and move downwards in the adjusting cylinder, the frustum-shaped block below the columnar block also moves downwards at the same time, each pin rod is ejected outwards, the pin rods eject the core block and the lock rod outwards at the same time, the lock rod protrudes from the through hole on the frame and is inserted into a lock hole in the inner side wall of the top of the transformer case, and the cover plate is locked and cannot be taken down; when the cover plate is disassembled, the columnar block can be reversely screwed to unlock. Compared with the existing bolt mounting mode of the cover plate, the bolt mounting mode has the advantages that the bolts do not need to be dismounted one by one, time and labor are saved, and the time requirement of rapid implementation in emergency maintenance can be met.

2. The transformer cover plate provided by the invention can also provide an anti-theft function for the transformer, the rotary slot on the columnar block is designed into a special shape, the operation can be carried out only by adopting a special tool matched with the shape of the rotary slot, and the tool unmatched with the shape of the rotary slot can not be operated and the cover plate can not be opened. The existing cover plate is fastened by bolts, and the bolts can be detached by adopting common tools to take down the cover plate.

Drawings

FIG. 1 is a schematic bottom view of the present invention in an unlocked position;

FIG. 2 is a schematic bottom view of the locking mechanism of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic view of the operating mechanism of the present invention in a remote position;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a transformer cover plate, include top cap 1 and establish the frame 2 of the square on top cap 1 bottom surface, the central point on every limit of frame 2 puts and all has seted up perforating hole 3, respectively be equipped with a latched device along the direction of the four limits of perpendicular to frame 2 on the bottom surface of top cap 1, latched device has locking lever 4 that stretches into in every perforating hole 3 perpendicularly, the center department of top cap 1 bottom surface is equipped with operating device and is used for promoting the outside protrusion of locking lever 4 to every perforating hole 3 of each latched device, operating device's operation position is established in the center department of top cap 1 top surface.

In another embodiment, the locking mechanism comprises a rectangular block 5 attached to the bottom surface of the top cover 1, four strip-shaped grooves perpendicular to four sides of the frame 2 are formed in the bottom surface of the top cover 1, the top of the block 5 is provided with a clamping block which is clamped into the strip-shaped grooves to enable the clamping block to slide along the strip-shaped grooves, one end, close to the frame 2, of the block 5 is connected with a locking rod 4 extending into the through hole 3 in the frame 2 vertically, one end, far away from the frame 2, of the block 5 is connected with a pin rod 6, one end, close to the frame 2, of the block 5 is provided with a locking spring 7 parallel to the locking rod 4 on two sides of the locking rod 4.

In another embodiment, the operating mechanism includes a regulating cylinder 8 vertically protruding downwards at the center of the bottom surface of the top cover 1, the lower end of the regulating cylinder 8 is closed, the upper end upwards penetrates to the top surface of the top cover 1, an internal thread is arranged on the inner wall of the regulating cylinder 8, a regulating block 9 is arranged inside the regulating cylinder 8, the regulating block 9 is integrally formed by an upper cylindrical block 91 and a lower frustum-shaped block 92, an external thread matched with the internal thread of the inner wall of the regulating cylinder 8 is arranged on the side wall of the cylindrical block 91, a plurality of insertion holes are opened at the same height along the circumferential direction on the side wall of the regulating cylinder 8, a pin 6 of the locking mechanism is inserted from each insertion hole and abuts against the side wall of the frustum-shaped block 92, and a rotary slot 10 is arranged on the.

The cover plate is matched with a transformer case, a plurality of bayonets are arranged on the inner wall of the top of the transformer case, the shape of the case of the frame 2 is matched, when the cover plate is installed, the top cover 1 directly covers the opening of the top of the case, the frame 2 is inserted into the case by being attached to the inner wall of the case, the columnar block 91 is rotated by a special tool matched with the shape of the rotating slot 10, the columnar block 91 and the frustum-shaped block 92 simultaneously move downwards, the pin rod 6 is ejected outwards by the diameter expansion of the frustum-shaped block 92, the core block 5 and the lock rod 4 are ejected outwards simultaneously, the front end of the lock rod 4 protrudes from the through hole 3 and is inserted into the bayonet on the inner side wall of the top of the case, and the top cover 1 is locked; when the cover plate needs to be taken down, the columnar block 91 is rotated reversely, the lock rod 4 is withdrawn from the bayonet on the inner wall of the case under the action of the lock spring 7, and the cover plate can be taken down. Compared with the existing bolt-fixed cover plate, the bolt-fixed cover plate can be disassembled or assembled only by one-time operation, the bolts do not need to be disassembled one by one, time and labor are saved, and the requirement of quick disassembly in an emergency maintenance state can be met.

In another embodiment, the rotation slot 10 is a triangular slot. Specifically, the rotary slot 10 may also be pentagonal or have other special shapes, and can be operated only by using a special tool with a corresponding shape, so that the anti-theft performance of the transformer can be improved.

In another embodiment, the end surface of the core block 5 facing the adjusting cylinder 8 is provided with an arc surface matched with the outer wall of the adjusting cylinder 8.

In another embodiment, the end surface of the pin rod 6 abutting against the side wall of the frustum-shaped block 92 is provided with a cambered surface matching with the side wall of the frustum-shaped block 92.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The transformer cover plate is characterized by comprising a top cover and a square frame arranged on the bottom surface of the top cover, wherein a through hole is formed in the center of each side of the frame, a locking mechanism is arranged on the bottom surface of the top cover along the direction perpendicular to the four sides of the frame and provided with a locking rod vertically extending into each through hole, an operating mechanism used for pushing the locking rod of each locking mechanism to protrude outwards to the outside of each through hole is arranged in the center of the bottom surface of the top cover, and the operating part of the operating mechanism is arranged in the center of the top surface of the top cover.

2. The transformer cover plate according to claim 1, wherein the locking mechanism comprises a rectangular parallelepiped core block attached to the bottom surface of the top cover, four strip-shaped grooves perpendicular to four sides of the frame are formed in the bottom surface of the top cover, the top of the core block is provided with a clamping block which is clamped into the strip-shaped grooves so as to slide along the strip-shaped grooves, one end of the core block close to the frame is connected with a locking rod vertically extending into a through hole in the frame, one end of the core block far away from the frame is connected with a pin rod, one end of the core block close to the frame is provided with a locking spring parallel to the locking rod on two sides of the locking rod, and the other end of.

3. The transformer cover plate according to claim 2, wherein the operating mechanism includes an adjusting cylinder protruding vertically downward at the center of the bottom surface of the top cover, the lower end of the adjusting cylinder is closed, the upper end of the adjusting cylinder extends upward to the top surface of the top cover, an inner thread is provided on the inner wall of the adjusting cylinder, an adjusting block is provided inside the adjusting cylinder, the adjusting block is integrally formed by an upper column-shaped block and a lower frustum-shaped block, an outer thread matching the inner thread of the inner wall of the adjusting cylinder is provided on the side wall of the column-shaped block, a plurality of insertion holes are opened at the same height along the circumferential direction on the side wall of the adjusting cylinder, a pin of the latch mechanism is inserted from each insertion hole and abuts against the side wall of the frustum-shaped block, and a rotary.

4. The transformer cover according to claim 3, wherein the rotation slot is a triangular slot.

5. The transformer cover plate according to claim 3, wherein an end surface of the core block facing the adjusting cylinder is provided with an arc surface matched with an outer wall of the adjusting cylinder.

6. The transformer cover plate according to claim 4, wherein an end surface of the pin abutting against the side wall of the frustum-shaped block is provided with a curved surface matching with the side wall of the frustum-shaped block.