CN112885658B

CN112885658B - Plateau type circuit breaker convenient to installation

Info

Publication number: CN112885658B
Application number: CN202110069721.8A
Authority: CN
Inventors: 应兵荣; 陈培荣; 杨建飞; 方健; 方流庆; 方建峰; 姜珊; 郑文霞; 谢苏龙
Original assignee: Zhejiang Disiwei Electric Co ltd
Current assignee: Zhejiang Disiwei Electric Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2022-08-23
Anticipated expiration: 2041-01-19
Also published as: CN112885658A

Abstract

The invention discloses a plateau type circuit breaker convenient to install, which comprises a pole post shell, a first threaded hole and a second threaded hole which are arranged in the pole post shell, wherein a limiting groove is arranged in the pole post shell and is arranged between the first threaded hole and the second threaded hole, a limiting support positioning device which can position the pole post shell and a pole post and can support a screw driver is connected in the limiting groove in a sliding manner, a fixing groove is arranged on the outer side of the pole post shell and is connected with the limiting support positioning device, the plateau type circuit breaker convenient to install can realize the positioning of an auxiliary pole post shell and the pole post during the installation when the supporting positioning device is used, so that the pole post shell and the pole post can be quickly assembled, and the supporting positioning device can also realize the positioning of the screw driver during the use, the screw hole to the top is robbed to the screw of being convenient for and is installed, avoids the staff installation inconvenient, and the result of use is fabulous.

Description

Plateau type circuit breaker convenient to installation

Technical Field

The invention relates to the technical field of circuit breakers, in particular to a plateau circuit breaker convenient to install.

Background

The plateau circuit breaker is a switching device which can close, bear and break current under normal loop conditions, can close, bear and break current under abnormal loop conditions within a specified time, mainly comprises a bottom plate, an electrical box, a pole shell and the like when the plateau circuit breaker is used, and the pole is required to be installed inside the pole shell firstly when the plateau circuit breaker is assembled, and the pole shell is installed on the electrical box for use.

But now when installing the post and post shell, the worker is required to place the post inside the post shell, then align the screw hole on the post with the screw hole inside the post shell, and finally snatch the screw to connect the post and the post shell together, but the prior post and post shell has no device capable of assisting the positioning of the post and the post shell, so when placing the post inside the post shell, because the post is mainly positioned by the screw hole inside the post shell, the worker is not facilitated to align the screw hole on the post and the post shell when placing, thereby influencing the worker to screw the screw thread tightly, and when screwing the top of the post, because the screw hole on the top is far away from the top of the post shell, the worker needs to stand the post when screwing, the screwdriver is stretched into the pole shell to be screwed, so that a worker cannot conveniently watch the screwdriver, the efficiency of the screwdriver is affected, and the using effect is poor. Therefore, a plateau type circuit breaker convenient to install is provided.

Disclosure of Invention

The invention aims to provide a plateau type circuit breaker which can meet the requirement of accurate assembly of the plateau type circuit breaker in each use and is convenient to install, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a plateau type circuit breaker convenient to install comprises a pole column shell, a first threaded hole and a second threaded hole, wherein the first threaded hole and the second threaded hole are formed in the pole column shell;

the limiting and supporting positioning device comprises a limiting block which is connected with the inside of a limiting groove in a sliding manner, a connecting rod is sleeved on the limiting block in a sliding manner, a driving piece which can drive the connecting rod to move is fixed at the top of the connecting rod, the driving piece drives the limiting block and the connecting rod to move along the limiting groove, a placing groove is arranged at the bottom of the connecting rod, a compression spring is fixed in the placing groove, a clamping block is fixed at the bottom of the compression spring, the outer side of the clamping block is connected with the inner wall of the placing groove in a sliding manner, a positioning block is fixed at the outer side of the clamping block, a positioning groove which is connected with the outer side of the positioning block in a sliding manner is arranged in the placing groove, a first positioning hole which is clamped with the clamping block is arranged at one side of the first threaded hole, a first arc-shaped groove which is communicated with the first positioning hole is arranged at one side of the first positioning hole, and a second positioning hole which is clamped with the clamping block is arranged at one side of the second threaded hole, a second arc-shaped groove communicated with the second positioning hole is formed in one side of the second positioning hole, and the second arc-shaped groove and the first arc-shaped groove are both connected with the bottom of the clamping block in a sliding mode;

the driving piece bottom is provided with fixed subassembly, be provided with the fixed slot of being connected with fixed subassembly inboard on the utmost point post shell, and fixed subassembly can drive utmost point post shell and remove.

Preferably, the driving piece includes the first telescopic cylinder with connecting rod top fixed connection, first telescopic cylinder top is fixed with flexible loop bar, and flexible loop bar top is equipped with the L shaped plate, be equipped with the connecting hole on the L shaped plate, and the L shaped plate has one side to be fixed with can snatch the mounting that carries out the fixing to the screw.

Preferably, the mounting is including fixing the backup pad in the L shaped plate outside, the backup pad inboard is rotated through the bearing and is connected with two dwangs, and the arbitrary one end of dwang is worn out the backup pad and is fixed with connecting gear, two connecting gear outside meshing is connected, arbitrary one the dwang is worn out connecting gear and is fixed with the motor, the motor passes through the motor frame and fixes in the backup pad outside, two the dwang outside is fixed with a plurality of first splint and second splint respectively, the backup pad bottom is fixed with the drive assembly that can drive the backup pad motion.

Preferably, drive assembly is including fixing the flexible cylinder of second in backup pad bottom, the flexible cylinder bottom of second is fixed with rotating gear, and rotating gear rotates through the bearing and is connected with the supporting disk, the backup pad outside is equipped with the logical groove with the rotating gear intercommunication, and leads to the inside sliding connection of groove and have drive gear, the drive gear outside is connected with the meshing of the rotating gear outside, and drive gear center department is fixed with driving motor, driving motor passes through the motor frame to be fixed in the supporting disk outside, the supporting disk outside is fixed with a plurality of third flexible cylinder, and third flexible cylinder one end is connected with the bracing piece through the pivot rotation, the supporting disk bottom is fixed with can realize the fixed subassembly of being connected with the fixed slot.

Preferably, the fixing assembly comprises four multi-section electric telescopic rods fixed at the bottom of the supporting plate, an arc-shaped fixing plate is fixed between every two multi-section electric telescopic rods, and the outer side of the arc-shaped fixing plate is connected with the inner wall of the fixing groove in a sliding mode.

Preferably, two sides of any arc-shaped fixing plate are respectively provided with a straightening hole, and two sides of the rest arc-shaped fixing plates are respectively fixed with a straightening rod which is in sliding connection with the inner part of the straightening hole.

Preferably, the first clamping plate and the second clamping plate are arc-shaped clamping plates.

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

when the device is used, the supporting and positioning device can position the auxiliary pole column shell and the pole column during installation, so that the pole column shell and the pole column can be quickly assembled, the supporting and positioning device can position a screw when in use, the screw can be conveniently installed in a screw hole in the top, the inconvenience in installation of workers is avoided, and the using effect is excellent.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present invention;

FIG. 2 is a schematic top view of the structural support positioning device of the present invention;

FIG. 3 is a schematic front view of a structural post housing of the present invention;

FIG. 4 is a schematic top cross-sectional view of a structural post housing of the present invention;

FIG. 5 is a schematic top view of the structure of the present invention;

FIG. 6 is a schematic cross-sectional front view of a second positioning hole of the structure of the present invention;

FIG. 7 is a schematic cross-sectional front view of a first positioning hole of the present invention;

FIG. 8 is a top view of a portion of the driving member of the present invention;

FIG. 9 is a top view of the structural fastener of the present invention;

FIG. 10 is a schematic sectional front view of the structure of the present invention;

FIG. 11 is a bottom front cross-sectional view of the present invention block diagram 10;

FIG. 12 is a schematic cross-sectional front view of the bottom of the structural connecting rod of the present invention;

FIG. 13 is a schematic view of a portion A of the structure of FIG. 8 according to the present invention.

In the figure: 1-pole housing; 2-a first threaded hole; 3-a second threaded hole; 4-a limiting groove; 5-supporting and positioning the device; 6, fixing the groove; 7-a limiting block; 8-a connecting rod; 9-placing a groove; 10-a compression spring; 11-a clamping block; 12-positioning blocks; 13-positioning a groove; 14-a first locating hole; 15-a first arc-shaped slot; 16-a second positioning hole; 17-a second arc-shaped slot; 18-a drive member; 19-a first telescopic cylinder; 20-telescopic loop bar; 21-L shaped plate; 22-connecting hole; 23-a fixing member; 24-a support plate; 25-rotating rods; 26-connecting gear; 27-a motor; 28-a first splint; 29-a second splint; 30-a drive assembly; 31-a second telescopic cylinder; 32-a rotating gear; 33-a support disk; 34-a through slot; 35-a drive gear; 36-a drive motor; 37-a third telescopic cylinder; 38-a support bar; 39-a fixation assembly; 40-a multi-section electric telescopic rod; 41-arc fixing plate; 42-corrective holes; 43-corrective rod.

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. 1-13, the present invention provides a technical solution: a plateau type circuit breaker convenient for installation comprises a pole column shell 1, a first threaded hole 2 and a second threaded hole 3 which are arranged in the pole column shell 1, wherein the first threaded hole 2 and the second threaded hole 3 are not on the same horizontal plane, the second threaded hole 3 is arranged at the top of the first threaded hole 2, a limiting groove 4 is arranged in the pole column shell 1, the limiting groove 4 is arranged between the first threaded hole 2 and the second threaded hole 3, the limiting groove 4 is divided into three stages when in use, the upper end of the first threaded hole 2 is a small-section vertical groove, one section connecting the small-section vertical groove and the second threaded hole 3 is a curved groove, one section connecting the two second threaded holes 3 is an annular groove on the same plane, and a limiting support positioning device 5 which can position the pole column shell 1 and a pole column and can support a screw driver is connected in a sliding manner in the limiting groove 4, a fixing groove 6 is arranged on the outer side of the pole shell 1, and the fixing groove 6 is connected with the limiting support positioning device 5 in a sliding mode;

when the device is used, the limit support positioning device 5 is fixed on a workbench, then the pole housing 1 to be installed is fixed on the limit support positioning device 5, the limit support positioning device 5 drives the pole housing 1 to rotate by a certain angle, so that the bottom of the pole housing 1 inclines upwards, then the pole to be installed is placed in the pole housing 1, the bottom of the limit support positioning device 5 can position the pole and the pole housing 1, therefore, a worker can conveniently screw the screw hole at the bottom of the pole housing 1, after the screw is screwed on the bottom, the limit support positioning device 5 drives the pole housing 1 and the pole to rotate to form a vertical angle, then the limit support positioning device 5 can drive the fixed screw to rush to move, screw the different second screw holes, and when in use, the limit support positioning device 5 can realize moving positioning of the screw rush, therefore, the screw hole can be screwed more accurately and quickly.

The limiting and supporting positioning device 5 comprises a limiting block 7 which is slidably connected with the inside of the limiting groove 4, a connecting rod 8 is slidably sleeved on the limiting block 7, a driving piece 18 which can drive the connecting rod 8 to move is fixed at the top of the connecting rod 8, a placing groove 9 is arranged at the bottom of the connecting rod 8, a compression spring 10 is fixed inside the placing groove 9, a clamping block 11 is fixed at the bottom of the compression spring 10, the clamping block 11 is an arc-shaped clamping block 11, the outer side of the clamping block 11 is slidably connected with the inner wall of the placing groove 9, a positioning block 12 is fixed at the outer side of the clamping block 11, a positioning groove 13 which is slidably connected with the outer side of the positioning block 12 is arranged inside the fixing groove 6, a first positioning hole 14 which is clamped with the clamping block 11 is arranged at one side of the first threaded hole 2, a positioning hole which corresponds to the first positioning hole 14 is arranged on the pole in use, but is not shown, and a first arc-shaped groove 15 which is communicated with the first positioning hole 14 is arranged at one side of the first positioning hole 14, a second positioning hole 16 clamped with the clamping block 11 is formed in one side of the second threaded hole 3, a second arc-shaped groove 17 communicated with the second positioning hole 16 is formed in one side of the second positioning hole 16, and the second arc-shaped groove 17 and the first arc-shaped groove 15 are both connected with the bottom of the clamping block 11 in a sliding mode;

when the pole is placed in the pole shell, the bottom of the clamping block 11 penetrates through the first positioning hole 14, so that when the pole is placed, the positioning hole in the pole can correspondingly place the bottom of the clamping block 11, the pole shell 1 and the pole can be positioned and placed, a worker can grab the screw to connect the first screw hole in the bottom with the pole, then the driving piece 18 is opened, the driving piece 18 drives the pole shell 1 and the pole to move in the vertical direction, meanwhile, the driving component 30 can drive the clamping block 11 and the connecting rod 8 to move for a certain distance in the vertical direction until the clamping block 11 moves back to the first positioning hole 14 and cannot move in the vertical direction, and then the driving piece 18 drives the connecting rod 8 and the clamping block 11 to rotate in the vertical direction, meanwhile, the limiting block 7 and the limiting groove 4 move inside, so that the clamping block 11 and the connecting rod 8 move in a curve in the vertical reverse direction;

when the clamping block 11 moves from the first positioning hole 14 to the second positioning hole 16, the clamping block 11 contacts with the first arc-shaped groove 15, because the first arc-shaped groove 15 is arc-shaped, and meanwhile, one end, close to the clamping block 11, of the first arc-shaped groove 15 is a low end, the action of the moving force is small, the compression spring 10 is compressed, the clamping block 11 moves inside the placing groove 9, the clamping block 11 can move out of the first positioning hole 14 and the first arc-shaped groove 15 in the moving process, when the clamping block 11 contacts with the second arc-shaped groove 17, the inner wall of the second arc-shaped groove 17 compresses the clamping block 11, the clamping block 11 is compressed inside the placing groove 9, when the clamping block 11 moves from the second arc-shaped groove 17 to the second positioning hole 16, the clamping block 11 is free of pressure, and is popped out to clamp with the second positioning hole 16 under the action of the compression spring 10, and the fixed screw can accurately clamp the second screw hole under the action of the clamping block 11 and the second positioning hole 16 And meanwhile, when a screw is required to be screwed into another second screw hole, the clamping block 11 can move out of the second positioning block 12 and the second arc-shaped groove 17, and can be clamped with another second arc-shaped groove 17 and another second positioning hole 16 during movement, so that the screw can be screwed into another second positioning hole 16.

The driving part 18 comprises a first telescopic cylinder 19 fixed at the top of the connecting rod 8, a telescopic loop bar 20 is fixed at the bottom of the first telescopic cylinder 19, an L-shaped plate 21 is fixed at the top of the telescopic loop bar 20, a connecting hole 22 is formed in the L-shaped plate 21, and a fixing part 23 capable of fixing the screw gun is fixed at one side of the L-shaped plate 21;

mounting 23 drives L shaped plate 21 and becomes circular motion to L shaped plate 21 can drive telescopic tube, connecting rod 8 and the motion of joint piece 11, opens first telescopic cylinder 19, and first telescopic cylinder 19 can drive connecting rod 8 and move certain distance in vertical direction, and in the motion of stopper 7 in spacing groove 4 inside simultaneously, telescopic sleeve pole 20 is compressed, thereby drives connecting rod 8 and joint piece 11 and moves in vertical direction.

The fixing member 23 includes a supporting plate 24 fixed on the outer side of the L-shaped plate 21, the inner side of the supporting plate 24 is rotatably connected with two rotating rods 25 through bearings, any one end of each rotating rod 25 penetrates out of the supporting plate 24 and is fixed with a connecting gear 26, the outer sides of the two connecting gears 26 are meshed and connected, any one rotating rod 25 penetrates out of the connecting gear 26 and is fixed with a motor 27, the motor 27 is fixed on the outer side of the supporting plate 24 through a motor 27 frame, the outer sides of the two rotating rods 25 are respectively fixed with a plurality of first clamping plates 28 and a plurality of second clamping plates 29, and a driving assembly 30 capable of driving the supporting plate 24 to move is fixed at the bottom of the supporting plate 24.

Place the screw robbed between first splint 28 and second splint 29, then open motor 27, motor 27 drives the dwang 25 motion of being connected with it, dwang 25 drives the connecting gear 26 rotation of being connected with it, connecting gear 26 drives another dwang 25 and connecting gear 26 motion, thereby two connecting rods 8 drive first splint 28 and second splint 29 motion, the realization presss from both sides tightly first splint 28 and second splint 29, then open drive assembly 30, drive assembly 30 can drive backup pad 24 and move in vertical and horizontal direction.

The driving assembly 30 comprises a second telescopic cylinder 31 fixed at the bottom of the supporting plate 24, a rotating gear 32 is fixed at the bottom of the second telescopic cylinder 31, the rotating gear 32 is rotatably connected with a supporting plate 33 through a bearing, a through groove 34 communicated with the rotating gear 32 is formed in the outer side of the supporting plate 24, a driving gear 35 is slidably connected in the through groove 34, the outer side of the driving gear 35 is meshed with the outer side of the rotating gear 32, a driving motor 36 is fixed at the center of the driving gear 35, the driving motor 36 is fixed at the outer side of the supporting plate 33 through a motor frame, a plurality of third telescopic cylinders 37 are fixed at the outer side of the supporting plate 33, one end of each third telescopic cylinder 37 is rotatably connected with a supporting rod 38 through a rotating shaft, and a fixing assembly 39 capable of being connected with the fixing groove 6 is fixed at the bottom of the supporting plate 33;

fix a plurality of bracing pieces 38 on the workstation when using, then place utmost point post shell 1 fixed in the fixed subassembly 39 outside, open a plurality of third telescopic cylinder 37 simultaneously when using, third telescopic cylinder 37 can drive fixed subassembly 39 and take place the rotation of certain angle, thereby the realization drives utmost point post and utmost point post shell 1 and takes place to rotate, then open driving motor 36, driving motor 36 drives drive gear 35 and rotates, it drives running gear 32 and rotates to drive the tooth, running gear 32 drives second telescopic cylinder 31 and rotates, second telescopic cylinder 31 drives backup pad 24 and rotates, it can drive backup pad 24 and move in vertical direction to open second telescopic cylinder 31 simultaneously.

The fixing component 39 comprises four multi-section electric telescopic rods 40 fixed at the bottom of the supporting plate 33, an arc-shaped fixing plate 41 is fixed between every two multi-section electric telescopic rods 40, and the outer side of the arc-shaped fixing plate 41 is connected with the inner wall of the fixing groove 6 in a sliding manner;

when the multi-section electric telescopic rod 40 is opened, the multi-section electric telescopic rod 40 drives the two arc-shaped fixing plates 41 to move towards the direction close to the fixing groove 6, so that the fixing groove 6 is clamped tightly, and the fixing of the volume of the pole housing 1 is realized.

Two sides of any arc-shaped fixing plate 41 are respectively provided with a correction hole 42, two sides of the rest arc-shaped fixing plates 41 are respectively fixed with a correction rod 43 which is in sliding connection with the inside of the correction hole 42, and the correction rods 43 are in contact positioning with the correction holes 42 when the two arc-shaped fixing plates 41 move.

In the present embodiment, the driving motor 36 is preferably of a Y80M1-2 type, the circuit operates as a conventional circuit, and the circuits and control involved in the present invention are all the prior art, which are not described herein in too much detail.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 utility model provides a high prototype circuit breaker convenient to installation, includes utmost point post shell (1), sets up at inside first screw hole (2) and second screw hole (3) of utmost point post shell (1), its characterized in that: a limiting groove (4) is formed in the pole shell (1), the limiting groove (4) is arranged between the first threaded hole (2) and the second threaded hole (3), and a limiting support positioning device (5) which can position the pole shell (1) and a pole and can support a screwdriver is connected in the limiting groove (4) in a sliding mode;

the limiting, supporting and positioning device (5) comprises a limiting block (7) which is slidably connected with the inside of a limiting groove (4), a connecting rod (8) is connected with the limiting block (7) in a sliding mode, a driving piece (18) which can drive the connecting rod (8) to move is fixed to the top of the connecting rod (8), the driving piece (18) drives the limiting block (7) and the connecting rod (8) to move along the limiting groove (4), a placing groove (9) is formed in the bottom of the connecting rod (8), a compression spring (10) is fixed to the inside of the placing groove (9), a clamping block (11) is fixed to the bottom of the compression spring (10), the outer side of the clamping block (11) is slidably connected with the inner wall of the placing groove (9), a positioning block (12) is fixed to the outer side of the clamping block (11), a positioning groove (13) which is slidably connected with the outer side of the positioning block (12) is formed in the placing groove (9), a first positioning hole (14) clamped with the clamping block (11) is formed in one side of the first threaded hole (2), a first arc-shaped groove (15) communicated with the first positioning hole (14) is formed in one side of the first positioning hole (14), a second positioning hole (16) clamped with the clamping block (11) is formed in one side of the second threaded hole (3), a second arc-shaped groove (17) communicated with the second positioning hole (16) is formed in one side of the second positioning hole (16), and the second arc-shaped groove (17) and the first arc-shaped groove (15) are both in sliding connection with the bottom of the clamping block (11);

the utility model discloses a fixed pole post, including driving piece (18), utmost point post shell (1), fixed subassembly (39) are provided with fixed slot (6) of being connected with fixed subassembly (39) inboard on driving piece (18) bottom, and fixed subassembly (39) can drive utmost point post shell (1) and remove.

2. A plateau type circuit breaker facilitating installation as claimed in claim 1, wherein: driving piece (18) include with connecting rod (8) top fixed connection's first telescopic cylinder (19), first telescopic cylinder (19) top is fixed with flexible loop bar (20), and flexible loop bar (20) top is equipped with L shaped plate (21), be equipped with connecting hole (22) on L shaped plate (21), and L shaped plate (21) have one side to be fixed with can snatch the mounting (23) of going on fixing to the screw.

3. A plateau type circuit breaker facilitating installation as claimed in claim 2, wherein: mounting (23) are including fixing backup pad (24) in the L shaped plate (21) outside, backup pad (24) inboard is connected with two dwang (25) through the bearing rotation, and dwang (25) arbitrary one end is worn out backup pad (24) and is fixed with connecting gear (26), two connecting gear (26) outside meshing is connected, arbitrary one connecting gear (26) are worn out in dwang (25) and are fixed with motor (27), motor (27) are put up through motor (27) and are fixed in the backup pad (24) outside, two the dwang (25) outside is fixed with a plurality of first splint (28) and second splint (29) respectively, backup pad (24) bottom is fixed with drive assembly (30) that can drive backup pad (24) motion.

4. A plateau type circuit breaker facilitating installation as claimed in claim 3, wherein: the driving assembly (30) comprises a second telescopic cylinder (31) fixed at the bottom of the supporting plate (24), a rotating gear (32) is fixed at the bottom of the second telescopic cylinder (31), the rotating gear (32) is rotatably connected with a supporting plate (33) through a bearing, a through groove (34) communicated with the rotating gear (32) is formed in the outer side of the supporting plate (24), a driving gear (35) is connected to the inner side of the through groove (34) in a sliding manner, the outer side of the driving gear (35) is meshed with the outer side of the rotating gear (32) and is fixedly provided with a driving motor (36) at the center of the driving gear (35), the driving motor (36) is fixedly arranged on the outer side of the supporting plate (33) through a motor frame, a plurality of third telescopic cylinders (37) are fixedly arranged on the outer side of the supporting plate (33), and one end of each third telescopic cylinder (37) is rotatably connected with a supporting rod (38) through a rotating shaft, and a fixing component (39) capable of being connected with the fixing groove (6) is fixed at the bottom of the supporting disc (33).

5. A plateau type circuit breaker facilitating installation as claimed in claim 1, wherein: the fixing assembly (39) comprises four multi-section electric telescopic rods (40) fixed at the bottom of the supporting plate (33), arc-shaped fixing plates (41) are fixed between every two multi-section electric telescopic rods (40), and the outer sides of the arc-shaped fixing plates (41) are connected with the inner wall of the fixing groove (6) in a sliding mode.

6. A plateau type circuit breaker facilitating installation as claimed in claim 5, wherein: and both sides of any arc-shaped fixing plate (41) are respectively provided with a correction hole (42), and both sides of the rest arc-shaped fixing plates (41) are respectively fixed with a correction rod (43) which is in sliding connection with the inside of the correction hole (42).

7. A plateau type circuit breaker facilitating installation as claimed in claim 3, wherein: the first clamping plate (28) and the second clamping plate (29) are arc-shaped clamping plates.