CN216213178U

CN216213178U - Medium-voltage circuit breaker adopting detachable design

Info

Publication number: CN216213178U
Application number: CN202122333687.9U
Authority: CN
Inventors: 侯书亮; 范焕焕; 范雪连; 侯友秋
Original assignee: Shandong Zeze Automation Technology Co ltd
Current assignee: Anhui Quan'an Electric Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-04-05
Anticipated expiration: 2031-09-26

Abstract

The utility model discloses a medium-voltage circuit breaker adopting a detachable design, which comprises a bottom plate, supporting plates and connecting plates, wherein supporting columns are respectively fixed at four corners of the upper surface of the bottom plate, the top ends of the four supporting columns are respectively fixedly connected with the four corners of the lower surface of the supporting plate, the sides, which are deviated from the two sides, of the bottom plate and the supporting plates are respectively fixedly connected with the front ends and the rear ends of the two connecting plates through bolts, the sides, which are deviated from the two connecting plates, of the two connecting plates are respectively and rotatably provided with rollers, a pole column is fixed on the upper surface of the supporting plate, the front end of the pole column is fixedly provided with a contact arm, the front end of the contact arm is provided with a plum-blossom-shaped contact, the rear end of the upper surface of the supporting plate is fixedly provided with a control box, a display screen is embedded and arranged above the back of the control box below the display screen, and a switch is arranged on one side of the back of the control box. The utility model has the advantages that the roller can be detached and installed at any time and is convenient to use.

Description

Medium-voltage circuit breaker adopting detachable design

Technical Field

The utility model relates to the technical field of medium-voltage circuit breakers, in particular to a medium-voltage circuit breaker adopting a detachable design.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like.

Medium voltage circuit breaker installs on the chassis that has the gyro wheel, and the gyro wheel is inconvenient demolishs behind the medium voltage circuit breaker location, leads to having unstable condition after the medium voltage circuit breaker location.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a medium voltage circuit breaker with a detachable design to solve the problems set forth in the above background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an adopt demountable design's medium voltage circuit breaker, includes bottom plate, backup pad and connecting plate, bottom plate upper surface four corners department is fixed with the pillar respectively, four the top of pillar respectively with the four corners department fixed connection of backup pad lower surface, two pillars of both sides deviate from one side respectively through both ends fixed connection around bolt and two connecting plates between bottom plate and the backup pad mutually two connecting plates deviate from one side and rotate respectively and install the gyro wheel.

Preferably, the two pillars on two sides between the bottom plate and the support plate are deviated from one side and are respectively provided with a screw hole matched with the bolt, the front end and the rear end of the connecting plate are respectively provided with a through hole matched with the bolt, and the bolt penetrates through the through hole and is screwed into the screw hole.

Preferably, two rotating shafts are respectively and symmetrically installed on one side, which is deviated from one side, of each connecting plate, and the four rollers respectively rotate relative to the connecting plates through the rotating shafts.

Preferably, the bottom end of the roller exceeds the lower surface of the bottom plate.

Preferably, the upper surface of the supporting plate is fixed with a pole, the front end of the pole is fixed with a contact arm, and the front end of the contact arm is provided with a plum blossom contact.

Preferably, the rear end of the upper surface of the supporting plate is fixedly provided with a control box, a display screen is embedded and installed above the back of the control box, a button is installed on the back of the control box below the display screen, and a switch is installed on one side of the back of the control box.

Compared with the prior art, the utility model has the beneficial effects that: after the medium voltage circuit breaker moves to the installation position, the connector of the external lifting device extends into the space between the bottom plate and the support plate to fixedly lift the bottom plate, the roller is lifted off the ground, the bolt is unscrewed and taken down, the connecting plate and the roller are detached together, and then the bottom plate is placed on the ground, so that the medium voltage circuit breaker is positioned. When the medium-voltage circuit breaker is moved, a connector of an external lifting device extends into a space between the bottom plate and the support plate to fixedly lift the bottom plate, the connecting plate and the roller are installed on two sides of the bottom plate and the support plate through bolts, then the bottom plate is put down, and the roller is in contact with the ground to move. The roller can be detached and installed at any time, and is convenient to use.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic rear perspective view of the present invention;

FIG. 3 is a schematic view of the connection structure of the bottom plate and the supporting plate of the present invention;

fig. 4 is a schematic diagram of a connecting plate structure according to the present invention.

In the figure: 1. a base plate; 2. a support plate; 3. a pillar; 4. a bolt; 5. a roller; 6. a connecting plate; 7. a control box; 8. a pole column; 9. a contact arm; 10. a tulip contact; 11. a button; 12. a switch; 13. a display screen; 14. a screw hole; 15. a through hole; 16. a rotating shaft.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 4, an embodiment of the present invention includes: the utility model provides an adopt demountable design's medium voltage circuit breaker, includes bottom plate 1, backup pad 2 and connecting

plate

6, and 1 upper surface four corners of bottom plate department is fixed with pillar 3 respectively, four pillars 3 the top respectively with the four corners department fixed connection of 2 lower surfaces of backup pad, 2 upper surface rear ends of backup pad are fixed with

control box

7, 7 back tops of control box are embedded and are installed

display screen

13, 7 back mounted of control box of display screen 13 below have button 11, switch 12 is installed to 7 back one side in the control box. An electrode post 8 is fixed on the upper surface of the supporting plate 2, a contact arm 9 is fixed at the front end of the electrode post 8, and a plum blossom contact 10 is installed at the front end of the contact arm 9.

Two pillars 3 of both sides leave one side mutually away from between bottom plate 1 and the backup pad 2 respectively through bolt 4 and two connecting plate 6 around both ends fixed connection, two pillars 3 of both sides between bottom plate 1 and the backup pad 2 leave one side mutually away from one side respectively seted up with bolt 4 assorted screw 14, both ends are seted up respectively around the connecting plate 6 with bolt 4 assorted through-hole 15, bolt 4 passes through-hole 15 and screws into in the screw 14. Two connecting plates 6 back to back one side and rotate respectively and install gyro wheel 5, two connecting plates 6 back to back one side and symmetry respectively install two pivots 16, and four gyro wheels 5 rotate for connecting plate 6 through pivot 16 respectively. The bottom end of the roller 5 exceeds the lower surface of the base plate 1. After the medium voltage circuit breaker moves to the installation position, the connector of the external hoisting device extends into the space between the bottom plate 1 and the support plate 2 to fixedly lift the bottom plate 1, the roller 5 is lifted off the ground, the bolt 4 is unscrewed and taken down, the connecting plate 6 and the roller 5 are disassembled together, and then the bottom plate 1 is placed on the ground, so that the medium voltage circuit breaker is positioned.

Example 2

Referring to fig. 1 to 4, an embodiment of the present invention includes: the utility model provides an adopt detachable design's medium voltage circuit breaker, 1 upper surface four corners department of bottom plate is fixed with pillar 3 respectively, four pillars 3 top respectively with the four corners department fixed connection of backup pad 2 lower surface, two pillars 3 of both sides between bottom plate 1 and the backup pad 2 back of the body one side respectively through bolt 4 and two connecting plate 6 both ends fixed connection around, two pillars 3 of both sides between bottom plate 1 and the backup pad 2 back of the body one side respectively offered with bolt 4 assorted screw 14, both ends are offered respectively with bolt 4 assorted through-hole 15 around the connecting plate 6, bolt 4 passes through-hole 15 and screws into in the screw 14. Two connecting plates 6 are rotatably provided with rollers 5 at opposite sides respectively. When the medium-voltage circuit breaker is moved, a connector of an external lifting device extends into a space between the bottom plate 1 and the supporting plate 2 to fixedly lift the bottom plate 1, the connecting plate 6 and the roller 5 are installed on two sides of the bottom plate 1 and the supporting plate 2 through the bolt 4, then the bottom plate 1 is put down, and the roller 5 is in contact with the ground to move. The roller 5 can be detached and installed at any time, and is convenient to use.

The working principle is as follows: after the medium voltage circuit breaker moves to the installation position, the connector of the external hoisting device extends into the space between the bottom plate 1 and the support plate 2 to fixedly lift the bottom plate 1, the roller 5 is lifted off the ground, the bolt 4 is unscrewed and taken down, the connecting plate 6 and the roller 5 are detached together, and then the bottom plate 1 is placed on the ground.

When the medium-voltage circuit breaker is moved, a connector of an external lifting device extends into a space between the bottom plate 1 and the supporting plate 2 to fixedly lift the bottom plate 1, the connecting plate 6 and the roller 5 are installed on two sides of the bottom plate 1 and the supporting plate 2 through the bolt 4, then the bottom plate 1 is put down, and the roller 5 is in contact with the ground to move.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an adopt detachable design's medium voltage circuit breaker, includes bottom plate (1), backup pad (2) and connecting plate (6), its characterized in that: bottom plate (1) upper surface four corners department is fixed with pillar (3) respectively, four the top of pillar (3) respectively with the four corners department fixed connection of backup pad (2) lower surface, two both ends fixed connection around bolt (4) and two connecting plates (6) are passed through respectively to two pillar (3) back of the body one side of both sides between bottom plate (1) and backup pad (2), two connecting plate (6) back of the body one side of back of the body rotates respectively and installs gyro wheel (5).

2. Medium voltage circuit breaker according to claim 1, of detachable design, characterized in that: screw holes (14) matched with the bolts (4) are respectively formed in one side, opposite to each other, of the two supporting columns (3) on the two sides between the bottom plate (1) and the supporting plate (2), through holes (15) matched with the bolts (4) are respectively formed in the front end and the rear end of the connecting plate (6), and the bolts (4) penetrate through the through holes (15) and are screwed into the screw holes (14).

3. Medium voltage circuit breaker according to claim 1, of detachable design, characterized in that: two connecting plate (6) are from opposite sides and are respectively and symmetrically installed with two rotating shafts (16), and four rollers (5) rotate relative to the connecting plate (6) through the rotating shafts (16).

4. Medium voltage circuit breaker according to claim 1, of detachable design, characterized in that: the bottom end of the roller (5) exceeds the lower surface of the bottom plate (1).

5. Medium voltage circuit breaker according to claim 1, of detachable design, characterized in that: the utility model discloses a contact structure of a machine tool, including backup pad (2), backup pad (2) upper surface is fixed with utmost point post (8), and utmost point post (8) front end is fixed with touches arm (9), touches arm (9) front end and installs plum blossom contact (10).

6. Medium voltage circuit breaker according to claim 1, of detachable design, characterized in that: the rear end of the upper surface of the support plate (2) is fixed with a control box (7), a display screen (13) is embedded and installed above the back of the control box (7), a button (11) is installed on the back of the control box (7) below the display screen (13), and a switch (12) is installed on one side of the back of the control box (7).