CN215418033U

CN215418033U - High-speed circuit breaker trip bar equipment auxiliary fixtures

Info

Publication number: CN215418033U
Application number: CN202121756426.1U
Authority: CN
Inventors: 陈创
Original assignee: Shanghai Alstom Communications Electric Co ltd
Current assignee: Shanghai Alstom Communications Electric Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-01-04
Anticipated expiration: 2031-07-29

Abstract

The application relates to the field of electrical equipment assembling tools, in particular to an auxiliary tool for assembling a trip bar of a high-speed circuit breaker, which comprises an extrusion plate, wherein a positioning bump is arranged on the extrusion plate, the positioning bump can be in insertion fit with a spring, and the extrusion plate can penetrate through an opening of a shell to enter the shell; one side of the extrusion plate, which is far away from the positioning convex points, is provided with positioning lamp beads which are positioned on the same vertical line with the positioning convex points. This application has the effect of being convenient for carry out the location equipment to the casing and the sub-finished product of release.

Description

High-speed circuit breaker trip bar equipment auxiliary fixtures

Technical Field

The application relates to the field of electrical equipment assembling tools, in particular to an auxiliary tool for assembling a trip bar of a high-speed circuit breaker.

Background

Currently, a trip unit is a device mechanically coupled to a circuit breaker to release a hold-down mechanism and automatically open the circuit breaker. A typical release includes a housing and a sub-assembly, which includes a release lever, a control lever and a wedge, and the sub-assembly is usually assembled separately and then assembled with the housing.

The shell is provided with two openings communicated with the inner cavity, the sub-finished product needs to penetrate through the inner cavity of the shell through the two openings of the shell, and a spring is arranged between the inner top wall of the shell and the sub-finished product. However, since the spring is installed in the trip unit housing in advance, the spring may hinder the installation of the sub-finished product during the installation of the sub-finished product. The existing method adopts a manual mode to compress the spring, meanwhile, the sub-finished product penetrates through the shell, and then the spring is released, but the spring can not be completely and accurately aligned with the groove on the control rod, so that the spring needs to be manually moved into the shell for adjusting the position of the spring or the position of the sub-finished product is manually adjusted for many times when the sub-finished product is installed, and the assembling process becomes complicated.

In view of the above-mentioned related art, the inventor believes that there is a defect that the sub-product and the housing are not convenient to be positioned and assembled.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the positioning and assembling of the shell and the sub-finished product of the tripper, the application provides an auxiliary tool for assembling the tripping rod of the high-speed circuit breaker.

The application provides a pair of high-speed circuit breaker trip bar equipment auxiliary fixtures adopts following technical scheme:

a high-speed circuit breaker trip bar assembly auxiliary tool comprises an extrusion plate, wherein a positioning salient point is arranged on the extrusion plate, the positioning salient point can be in insertion fit with a spring, and the extrusion plate can penetrate through an opening of a shell and enter the shell; one side of the extrusion plate, which is far away from the positioning convex points, is provided with positioning lamp beads which are positioned on the same vertical line with the positioning convex points.

Through adopting above-mentioned technical scheme, through the location convex point with the spring vertical fixing on the stripper plate earlier, then promote the stripper plate and extrude the spring, insert sub-finished product in the below of stripper plate, only need carry out the coincidence with the recess on the sub-finished product and the facula that the location lamp pearl shines in vertical direction, can realize recess and spring at the ascending location of vertical side, then take out the stripper plate and can make the bottom of spring get into the recess.

Optionally, a lifting plate is rotatably connected to the extrusion plate, and a fixing assembly for limiting the rotation of the lifting plate relative to the extrusion plate is disposed on the lifting plate.

Through adopting above-mentioned technical scheme, can drive the stripper plate through the lifting plate and promote on vertical direction, the stripper plate rotates with the lifting plate simultaneously and is connected, when not using auxiliary fixtures, the stripper plate can rotate to parallel state with the lifting plate, has reduced holistic height, is convenient for deposit.

Optionally, the fixing assembly comprises a connecting rod and a fixing bolt, the connecting rod is rotatably connected with the lifting plate, the extrusion plate is provided with a bolt hole, and the fixing bolt can penetrate through the extrusion plate to be matched with the bolt hole.

Through adopting above-mentioned technical scheme, fixing bolt can pass the connecting rod and fix lifting plate and stripper plate at the vertical state, is convenient for promote the stripper plate through the lifting plate.

Optionally, the auxiliary assembly for assembling the trip bar of the high-speed circuit breaker further comprises a limiting assembly, wherein the limiting assembly comprises a fixing plate, a screw, a connecting plate and a sucker, the fixing plate is fixedly connected with the lifting plate, and the fixing plate is parallel to the extrusion plate; the screw rod is screwed with the fixed rod, the connecting plate is fixedly arranged at the bottom of the screw rod, and the sucker is fixedly connected with the connecting plate

By adopting the technical scheme, the distance from the sucker to the top end of the shell can be adjusted through the screw rod, the convenience is improved, and the fixing plate can fix the screw rod while bearing the weight of the screw rod; the sucking disc is also easily dismantled when easily fixed, has promoted spacing subassembly's practicality and convenience.

Optionally, at least two groups of suction cups are provided.

Through adopting above-mentioned technical scheme, the sucking disc is provided with two sets ofly at least, has promoted the fixed stability of fixed plate and casing.

Optionally, a butterfly nut is fixedly arranged at the top end of the screw rod.

Through adopting above-mentioned technical scheme, set up butterfly nut, the workman's application of force of being convenient for rotates the screw rod, has promoted spacing subassembly's practicality and convenience.

Optionally, the two side walls of the lifting plate are curved.

Through adopting above-mentioned technical scheme, two lateral walls of lifting plate are the arc, and the workman of being more convenient for grips the lifting plate, has strengthened auxiliary fixtures's practicality.

Optionally, a guide groove is formed in the extrusion plate, the guide groove is communicated with one end, far away from the lifting plate, of the extrusion plate, and the positioning salient point is fixedly arranged on the inner bottom surface of the guide groove.

Through adopting above-mentioned technical scheme, when taking out the stripper plate, the bottom of spring is located the guide way, and the guide way can restrict the spring and take place great skew for the spring is fixed accurately to the top jade in the box body.

In summary, the present application includes at least one of the following beneficial technical effects:

1. one side of the extrusion plate, which is far away from the positioning salient point, is provided with a positioning lamp bead which is positioned on the same vertical line with the positioning salient point;

2. the extrusion plate can be driven by the lifting plate to lift in the vertical direction, and meanwhile, the extrusion plate is rotatably connected with the lifting plate, so that when an auxiliary tool is not used, the extrusion plate and the lifting plate can rotate to be in a parallel state, the overall height is reduced, and the storage is convenient;

3. the distance between the sucker and the top end of the shell can be adjusted through the screw rod, convenience is improved, and the fixing plate can fix the screw rod while bearing the weight of the screw rod; the sucking disc is also easily dismantled when easily fixed, has promoted spacing subassembly's practicality and convenience.

Drawings

FIG. 1 is a schematic structural diagram of a housing in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a sub-product in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of an auxiliary tool in an embodiment of the present application;

FIG. 4 is a schematic partial cross-sectional view illustrating an auxiliary tool and a housing cooperating with each other to mount a spring according to an embodiment of the present disclosure;

fig. 5 is a schematic partial cross-sectional view of the auxiliary tool and the sub-product in the housing for fitting the spring in the embodiment of the present application.

Description of reference numerals: 1. a housing; 2. a finished product is obtained; 21. a groove; 3. a spring; 4. a pressing plate; 41. positioning the salient points; 42. positioning the lamp beads; 43. bolt holes; 44. a guide groove; 5. a lifting plate; 51. a yielding groove; 6. a fixing assembly; 61. a connecting rod; 62. fixing the bolt; 7. a limiting component; 71. a fixing plate; 72. a screw; 73. a connecting plate; 74. a suction cup; 75. butterfly nuts.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses high-speed circuit breaker trip bar equipment auxiliary fixtures, refer to fig. 3 and 4, and it includes stripper plate 4 and lift plate 5, and stripper plate 4 rotates with lift plate 5 and is connected, and lift plate 5 is provided with in the row and is used for restricting the relative rotatory fixed subassembly 6 of stripper plate 4 of lift plate 5 for lift plate 5 and fixed plate 71 can be in the vertical state fixedly. Set firmly vertically fix a position bump 41 on stripper plate 4, the inner circle that the bump 41 of location can be pegged graft into spring 3 makes spring 3 and 4 vertical location of stripper plate, wear into 1 inner chamber of casing with stripper plate 4 through the opening of casing 1, make 3 fixing bases of spring 3's top and the interior spring 3 of propping up the jade wall of casing 1 fixed, then upwards promote 4 spring 3 of stripper plate by the compression through lifting plate 5, pass casing 1 with sub-finished product 2 this moment, make sub-finished product 2 be located the below of stripper plate 4, carry out the vertical location back to recess 21 and spring 3 on sub-finished product 2, extract stripper plate 4, make the bottom of spring 3 can get into recess 21 on the sub-finished product 2.

Referring to fig. 3 and 4, the compression plate 4 and the lift plate 5 are connected by a hinge so that the compression plate 4 and the lift plate 5 can be rotated to be horizontally parallel to each other. The fixing assembly 6 comprises a connecting rod 61 and a fixing bolt 62, the accommodating groove 51 is formed in the lifting plate 5, the connecting rod 61 is rotatably connected with the inner side wall of the accommodating groove 51 through a rotating pin, the connecting rod 61 can rotate to a state perpendicular to the lifting plate 5, the connecting rod 61 is in clearance fit with the accommodating groove 51, and the connecting rod 61 can rotate to be accommodated in the accommodating groove 51. The cross section of connecting rod 61 is the rectangle, has seted up the through-hole on the connecting rod 61, has seted up bolt hole 43 on the stripper plate 4. When the squeeze plate 4 vertically lifts the plate 5, and when the connecting rod 61 vertically lifts the plate 5, the through hole on the connecting rod 61 is coaxially opposite to the bolt hole 43 on the squeeze plate 4, and at this time, the fixing bolt 62 passes through the through hole and is connected with the squeeze plate 4 through the bolt hole 43, so that the squeeze plate 4 and the lift plate 5 are fixed in a vertical state, and the squeeze plate 4 can be kept stable when the lift plate 5 drives the squeeze plate 4 to move in a vertical direction.

Referring to fig. 3 and 4, the upper end surface of the compression plate 4 is further provided with a guide groove 44, and one end of the guide groove 44 communicates with one end of the compression plate 4 away from the lifting plate 5. When the pressing plate 4 is pulled out, the spring 3 moves along the guide groove 44, and the large displacement of the spring 3 to both sides of the guide groove 44 is reduced. Further, in order to facilitate holding the lifting plate 5, two sides of the lifting plate 5 are set to be arc-shaped, and the inner arc surfaces of the two arc-shaped sides deviate from each other.

Referring to fig. 3 and 5, a positioning lamp bead 42 is embedded in one side of the extrusion plate 4, which is far away from the positioning salient point 41, and the positioning lamp bead 42 and the positioning salient point 41 are on the same vertical straight line; when spring 3 is established to 41 covers of location bump and spring 3 fixing base on making the top of spring 3 and the interior top of a jade wall of casing 1 fixed, spring 3 is vertical, this moment with sub-finished product 2 pass casing 1 in the below of stripper plate 4, open

location lamp pearl

42, 2 positions of sub-finished product of adjustment, make location lamp pearl 42 at the ascending facula of vertical side and recess 21 coincidence, recess 21 and spring 3 on the sub-finished product 2 are located same vertical line this moment, take out at this moment in stripper plate 4 can make spring 3's bottom can get into the recess 21 on the sub-finished product 2, spring 3 equipment between sub-finished product 2 and casing 1 has been realized.

Referring to fig. 3 and 5, after the springs 3 are compressed in order to lift the pressing plate 4, so that a worker can easily insert the sub-product 2 into the housing 1, it is necessary to maintain the pressing plate 4 and the lifting plate 5 in a fixed state with respect to the housing 1. Further, a stopper assembly 7 is provided on the lifting plate 5 to maintain the housing 1 and the lifting plate 5 in a fixed state. Specifically, the limiting assembly 7 comprises a fixing plate 71, a screw 72, a connecting plate 73 and a suction cup 74, the fixing plate 71 is fixedly connected with the lifting plate 5, the fixing plate 71 is located above the extrusion plate 4, and the fixing plate 71 is parallel to the extrusion plate 4; the screw 72 is screwed with the fixed rod, the connecting plate 73 is fixedly arranged at the bottom end of the screw 72, and the suction cup 74 is fixedly connected to one side of the connecting plate 73, which is far away from the screw 72.

Referring to fig. 3 and 5, the screw 72 is rotated to make the suction cup 74 abut against and attract the upper end surface of the housing 1, and the screw 72 is screwed with the fixing plate 71, so that the fixing plate 71 can fix and bear the weight of the screw 72; the suction cup 74 is fixed to the housing 1, so that the housing 1 is fixed to the fixing plate 71 and the lifting plate 5. The worker can put down the lifting plate 5 and the housing 1 at this time, and then insert the sub-finished product 2 into the housing 1 and perform positioning operations of the grooves 21 and the equipotential lamp beads, thereby improving convenience. In order to further improve the stability of the fixing of the housing 1 and the fixing plate 71, at least two sets of suction cups 74 are provided on the connecting plate 73. Further, a wing nut 75 is welded to the top end of the screw 72, so that a worker can apply force to rotate the screw 72 conveniently.

Referring to fig. 3 and 5, the height of the positioning protrusion 41 is not limited in the embodiment of the present application, as long as the positioning protrusion 41 can be smoothly separated from the spring 3 when the pressing plate 4 is extracted from the housing 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high-speed circuit breaker trip bar equipment auxiliary fixtures which characterized in that: the spring pressing device comprises a pressing plate (4), wherein a positioning salient point (41) is arranged on the pressing plate (4), the positioning salient point (41) can be in plug fit with a spring (3), and the pressing plate (4) can penetrate through an opening of a shell (1) to enter the shell (1); one side of the extrusion plate (4) departing from the positioning salient point (41) is provided with a positioning lamp bead (42) which is positioned on the same vertical line with the positioning salient point (41).

2. The high-speed circuit breaker trip bar assembly auxiliary tool of claim 1, characterized in that: the extrusion plate (4) is rotatably connected with a lifting plate (5), and the lifting plate (5) is provided with a fixing assembly (6) for limiting the rotation of the lifting plate (5) relative to the extrusion plate (4).

3. The high-speed circuit breaker trip bar assembly auxiliary tool of claim 2, characterized in that: the fixing assembly (6) comprises a connecting rod (61) and a fixing bolt (62), the connecting rod (61) is rotatably connected with the lifting plate (5), a bolt hole (43) is formed in the extrusion plate (4), and the fixing bolt (62) can penetrate through the extrusion plate (4) to be matched with the bolt hole (43).

4. The high-speed circuit breaker trip bar assembly auxiliary tool of claim 2, characterized in that: the extrusion device is characterized by further comprising a limiting assembly (7), wherein the limiting assembly (7) comprises a fixing plate (71), a screw rod (72), a connecting plate (73) and a sucking disc (74), the fixing plate (71) is fixedly connected with the lifting plate (5), and the fixing plate (71) is parallel to the extrusion plate (4); the screw rod (72) is screwed with the fixed rod in a threaded manner, the connecting plate (73) is fixedly arranged at the bottom of the screw rod (72), and the sucking disc (74) is fixedly connected with the connecting plate (73).

5. The high-speed circuit breaker trip bar assembly auxiliary tool of claim 4, characterized in that: the suction cups (74) are provided with at least two groups.

6. The high-speed circuit breaker trip bar assembly auxiliary tool of claim 4, characterized in that: and a butterfly nut (75) is fixedly arranged at the top end of the screw rod (72).

7. The high-speed circuit breaker trip bar assembly auxiliary tool of claim 2, characterized in that: the two side walls of the lifting plate (5) are arc-shaped.

8. The high-speed circuit breaker trip bar assembly auxiliary tool of claim 2, characterized in that: a guide groove (44) is formed in the extrusion plate (4), the guide groove (44) is communicated with one end, far away from the lifting plate (5), of the extrusion plate (4), and the positioning salient point (41) is fixedly arranged on the inner bottom surface of the guide groove (44).