CN216487921U

CN216487921U - Tripping screw adjusting mechanism for circuit breaker

Info

Publication number: CN216487921U
Application number: CN202123257023.5U
Authority: CN
Inventors: 黄祥厚
Original assignee: Jiangmen Yangzi Automation Technology Co ltd
Current assignee: Jiangmen Yangzi Automation Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-10
Anticipated expiration: 2031-12-21

Abstract

The utility model provides a tripping screw guiding mechanism for circuit breaker, including rotating the motor, a push cylinder for coming to promote to rotate the motor through elastic expansion piece and do reciprocating motion all around, a bracket component for going on the level with push cylinder and rotating the motor and fixing, an electric jar driver for driving the bracket component and do reciprocating motion about, the bracket component sets firmly on the first movable slider of electric jar driver up end, elastic expansion piece connects in the second movable slider of push cylinder up end and rotates between the motor, install the shaft coupling in the pivot of rotating the motor, the first subassembly is criticized in the screw adjustment to shaft coupling end-to-end connection. The utility model provides a pair of a tripping screw guiding mechanism for circuit breaker has mechanical structure simple, equipment and drops into advantage little, small, can effectively solve the problem that prior art's production efficiency is low and equipment cost is high.

Description

Tripping screw adjusting mechanism for circuit breaker

Technical Field

The utility model relates to an automatic technical field especially relates to a tripping screw guiding mechanism for circuit breaker.

Background

The circuit breakers are important elements for protecting circuits, the circuit breakers of the same series have different voltage and current grades, overload tripping time reaches the corresponding national standard, and different voltage and current grades need to be matched with different models by adjusting tripping screws in the tripping devices.

However, in practice, in the production process of the existing circuit breaker, due to the factors of high adjustment precision requirement, small screw, small product space and the like of the trip screw, the adjustment of the trip screw mostly adopts a manual adjustment mode, so that the production efficiency is low, and the labor cost is high; and if a full-automatic production mode is adopted, the capacity requirement can be met by matching a plurality of devices with high cost and large volume.

Therefore, it is desirable to provide a trip screw adjustment mechanism for a circuit breaker to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a tripping screw guiding mechanism for circuit breaker, has mechanical structure simple, equipment and drops into advantage little, small, can effectively solve the problem that prior art's production efficiency is low and equipment cost is high.

In order to solve the technical problem, the utility model discloses a technical scheme provide a trip screw guiding mechanism for circuit breaker, including rotating motor 1, being used for promoting through elastic expansion piece 6 rotate motor 1 and make reciprocating motion's promotion cylinder 2, be used for with rotate motor 1 with promotion cylinder 2 carries out horizontally fixed bracket component 3, is used for the drive reciprocating motion's electric jar driver 4 about bracket component 3 does, bracket component 3 set firmly in on the first movable slide 41 of electric jar driver 4 up end, elastic expansion piece 6 connect in promote the second movable slide 21 of 2 up end of cylinder with rotate between the motor 1, install shaft coupling 11 in the pivot of rotating motor 1, first subassembly 5 is criticized in the screw adjustment to 11 end-to-end connection of shaft coupling.

Preferably, the bracket assembly 3 includes two fixed brackets 31 disposed opposite to each other in a left-right direction, and a bottom plate 32 horizontally connected to the lower end surfaces of the two fixed brackets 31, the bottom plate 32 is fixedly disposed on the first movable slider 41, a reinforcing rib plate 33 is horizontally connected between the two fixed brackets 31, the push cylinder 2 is fixed to one of the fixed brackets 31, and the rotating motor 1 is fixed to the other fixed bracket 31.

Preferably, the fixing bracket 31 is provided with a plurality of fixing holes 34 arranged in a left-right direction.

Preferably, a guide rail 7 with a sliding groove 71 is connected between the other fixing bracket 31 and the rotating motor 1, a third movable sliding block 72 connected with the sliding groove 71 in a matched manner is arranged on the guide rail 7, and the rotating motor 1 is fixedly connected with the third movable sliding block 72 through a fastening piece.

Preferably, the rotating electrical machine 1 is provided with a connecting member 12 for fixedly connecting the rotating electrical machine 1 to the third movable sliding block 72.

Preferably, the shape of the connecting piece 12 is an inverted L-shape, the connecting piece 12 is installed at the front end of the rotating motor 1, a side plate of the connecting piece 12 is located between the rotating motor 1 and the third movable sliding block 72, the elastic expansion piece 6 is connected between the second movable sliding block 21 and the front plate of the connecting piece 12, and a through hole 13 for allowing the rotating shaft of the rotating motor 1 to pass through is formed in the front end surface of the connecting piece 12.

Preferably, the screw adjusting batch head assembly 5 comprises a guide post 51 connected to the end of the coupling 11 and a batch head body 52 installed at the center of the guide post 51, and a guide groove 53 recessed into the end of the guide post 51 for guiding and positioning the batch head body 52.

The utility model has the advantages that: the utility model provides a pair of a tripping screw guiding mechanism for circuit breaker has mechanical structure simple, equipment and drops into advantage little, small, can effectively solve the problem that prior art's production efficiency is low and equipment cost is high.

Drawings

Fig. 1 is an overall structural view of a trip screw adjustment mechanism for a circuit breaker according to the present invention;

fig. 2 is another angle overall structure diagram of a trip screw adjusting mechanism for a circuit breaker according to the present invention;

fig. 3 is a top view of the trip screw adjustment mechanism for a circuit breaker according to the present invention.

The names of the parts corresponding to the numerical identifiers in the drawings of the specification are respectively as follows:

rotating the motor 1; a pushing cylinder 2; a bracket assembly 3; an electric cylinder drive 4; the screw adjusting bit assembly 5; an elastic expansion member 6; a guide rail 7; a coupling 11; a connecting member 12; a through hole 13; a second movable slider 21; a fixed bracket 31; a base plate 32; a reinforcing rib plate 33; a fixed mounting hole 34; a first movable slider 41; a guide post 51; the batch head main body 52; the guide groove 53; a chute 71; a third movable slider 72.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the drawings.

Please refer to fig. 1-3, the utility model discloses a trip screw guiding mechanism for circuit breaker including rotating motor 1, a push cylinder 2 for promoting through elastic expansion piece 6 to rotate motor 1 and make reciprocating motion, a bracket component 3 for carrying out horizontal fixation with rotating motor 1 and push cylinder 2, an electric cylinder driver 4 for driving bracket component 3 and make reciprocating motion about, bracket component 3 sets firmly on the first movable sliding block 41 of electric cylinder driver 4 up end, elastic expansion piece 6 is connected between the second movable sliding block 21 of pushing cylinder 2 up end and rotating motor 1, install shaft coupling 11 in rotating motor 1's the pivot, shaft coupling 11 end-to-end connection has screw adjustment batch head subassembly 5.

In this embodiment, a feeding mechanism is disposed in parallel in multiple stages right in front of the adjusting mechanism for the trip screw, each stage is disposed with a corresponding trip screw, the feeding mechanism is disposed with a positioning mechanism connected to the electric cylinder driver 4, so that the electric cylinder driver 4 can precisely drive the screw adjusting bit assembly 5 on the first movable slider 41 right in front of the trip screw of each stage each time, then the second movable slider 21 on the pushing cylinder 2 can push the elastic expansion member 6 forward to push the rotating motor 1 abutting on the end of the elastic expansion member 6 forward, after the pushing cylinder 2 is pushed forward to a designated position, the screw adjusting bit assembly 5 connected to the end of the coupler 11 can contact the trip screw on the feeding mechanism, and then the rotating motor 1 can start rotating to adjust the trip screw, when the tripping screw is adjusted to a triggered tripping state, a conducting signal of the circuit breaker can be fed back to a master control system, then the rotating motor 1 can stop rotating, the second movable sliding block 21 on the pushing cylinder 2 can drive the elastic telescopic piece 6 to pull the rotating motor 1 which is propped against the tail end of the elastic telescopic piece 6 to move backwards, and then the electric cylinder driver 4 accurately moves the screw adjusting bit assembly 5 on the first movable sliding block 41 left and right to the front of the next-stage tripping screw to execute the same adjusting operation, so that the switching position of each stage is realized, and each pole is independently adjusted.

In this embodiment, when the pushing cylinder 2 pushes forward, the elastic expansion piece 6 can be gradually changed from the extension state to the compression state, but cannot be completely pressed, that is, until the pushing cylinder 2 pushes forward to the designated position, the elastic expansion piece 6 is in the compression state, but is completely pressed, and the pushing cylinder 2 does not directly contact the rotating motor 1 to realize pushing, but indirectly sets up the elastic expansion piece 6 between the two to realize pushing, so as to ensure that the pushing cylinder 2 does not damage the rotating motor 1 due to excessive pushing force when pushing forward.

In this embodiment, the coupling 11 is installed on the rotating shaft of the rotating motor 1, so that when the rotating motor 1 rotates, other working parts and the main motor of the rotating motor 1 can be prevented from being directly damaged due to excessive torque.

Preferably, the bracket assembly 3 includes two fixed brackets 31 disposed opposite to each other in a left-right direction, and a bottom plate 32 horizontally connected to the lower end surfaces of the two fixed brackets 31, the bottom plate 32 is fixedly disposed on the first movable sliding block 41, a reinforcing rib plate 33 is horizontally connected between the two fixed brackets 31, the push cylinder 2 is fixed on one of the fixed brackets 31, and the rotating motor 1 is fixed on the other fixed bracket 31.

In this embodiment, the bracket assembly 3 in this application may be composed of two conventional fixed brackets 31 disposed opposite to each other in a left-right direction and a bottom plate 32 horizontally connected to the lower end surfaces of the two fixed brackets 31, or may be an upright or other structural bracket directly disposed on the first movable slider 41 and used for horizontally fixing the rotating motor 1 and the pushing cylinder 2, which is not limited in this application.

Preferably, the fixing bracket 31 is provided with a plurality of fixing holes 34 arranged in the left and right direction.

In this embodiment, the bracket assembly 3 of the present application can be fixedly mounted on a wall or other fastening mechanisms through the fixing mounting holes 34, so as to enhance the stable supporting effect of the bracket assembly 3.

Preferably, a guide rail 7 with a sliding groove 71 on the opposite side is connected between the other fixing bracket 31 and the rotating motor 1, a third movable sliding block 72 connected with the sliding groove 71 in a matching manner is arranged on the guide rail 7, and the rotating motor 1 is fixedly connected with the third movable sliding block 72 through a fastener.

In this embodiment, one side of the rotating motor 1 reciprocates back and forth through the elastic expansion piece 6, and the other side is directly fixed on the bracket component 3, if there is no corresponding guide rail 7 on the bracket component 3, then the rotating motor 1 can not ensure its fixed connection with the bracket component 3 under the action of following the back and forth movement of the pushing cylinder 2.

Preferably, the rotating electrical machine 1 is provided with a connecting member 12 for fixedly mounting the rotating electrical machine 1 on the third movable slider 72.

Preferably, the connecting member 12 is in an inverted L shape, the connecting member 12 is mounted at the front end of the rotating motor 1, one side plate of the connecting member 12 is located between the rotating motor 1 and the third movable slider 72, the elastic extensible member 6 is connected between the second movable slider 21 and the front plate of the connecting member 12, and the front end surface of the connecting member 12 is provided with a through hole 13 through which a rotating shaft of the rotating motor 1 passes.

In this embodiment, when the pushing cylinder 2 pushes the rotating motor 1 to move forward so that the screw adjusting bit assembly 5 connected to the end of the coupler 11 contacts with the trip screw on the feeding mechanism, the guiding slot 53 can be correspondingly clamped with the periphery of the screw on the feeding mechanism right in front of the present application, so as to ensure that the bit main body 52 installed at the central position of the guiding column 51 can be accurately positioned on the screw, thereby preventing the error adjustment caused by the deviation of the screw adjusting bit assembly 5.

In this embodiment, this equipment rotates the adjustment at rotating motor 1 to the trip screw, and when the trip screw was adjusted to trigger the jump and detain the state, it can detect out the dropout data of product to rotate motor 1, and accessible PLC uploads the database for a long time to save in real time after being correlated with the bar code on the circuit breaker to the one yard of data of the product of effectual assurance.

Preferably, the emergency stop system can have a fault alarm function and a reliable emergency stop design.

Preferably, the frame in this application, etc. structure can be assembled by aluminium alloy and become machined parts such as support, lower margin, bottom plate, and all metal machined parts all surface is carried out rust-resistant treatment.

It can be seen that, the implementation of the trip screw adjusting mechanism for the circuit breaker described in fig. 1 to fig. 3 has the advantages of simple mechanical structure, small equipment investment and small size, and can effectively solve the problems of low production efficiency and high equipment cost in the prior art.

In addition, the trip screw adjusting mechanism for the circuit breaker described in fig. 1 to 3 is implemented, so that the problem that a defective product flows into the market due to the fact that the existing trip screw is adjusted mainly in a manual adjustment mode is solved, and the improvement of the quality of a finished product can be facilitated.

In addition, the trip screw adjusting mechanism for the circuit breaker described in fig. 1 to 3 is implemented, and manual adjustment is replaced by adjustment of a digitizer, so that the accuracy of adjustment of the trip screw adjusting mechanism can be improved, adjustment of the trip screw is more automatic, and the improvement of the working efficiency is facilitated.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same reason as the protection scope of the present invention.

Claims

1. A trip screw guiding mechanism for a circuit breaker, comprising: including rotating motor (1), being used for promoting through elastic expansion piece (6) rotating motor (1) makes reciprocating motion's promotion cylinder (2) all around, be used for with rotating motor (1) with promotion cylinder (2) carry out horizontal fixed bracket component (3), be used for the drive reciprocating motion's electric jar driver (4) about bracket component (3) are made, bracket component (3) set firmly in on first movable slider (41) of electric jar driver (4) up end, elastic expansion piece (6) connect in promote second movable slider (21) of cylinder (2) up end with rotate between motor (1), install shaft coupling (11) in the pivot of rotating motor (1), first subassembly (5) are criticized in shaft coupling (11) end-to-end connection has the screw adjustment.

2. The trip screw adjustment mechanism for a circuit breaker of claim 1, wherein:

bracket component (3) including for two fixed bolsters (31), a horizontal connection that control the opposite direction and set up two bottom plate (32) on fixed bolster (31) lower terminal surface, bottom plate (32) set firmly in on first activity slider (41), two horizontally connect has a deep floor (33) between fixed bolster (31), push cylinder (2) are fixed in one of them on fixed bolster (31), rotation motor (1) is fixed in another on fixed bolster (31).

3. The trip screw adjustment mechanism for a circuit breaker of claim 2, wherein: the fixed support (31) is provided with a plurality of fixed mounting holes (34) which are arranged left and right.

4. The trip screw adjustment mechanism for a circuit breaker of claim 2, wherein:

and the other is that the fixed support (31) and a guide rail (7) with a sliding groove (71) is arranged on one opposite side surface between the rotating motor (1), a third movable sliding block (72) which is connected with the sliding groove (71) in a matched manner is arranged on the guide rail (7), and the rotating motor (1) is fixedly connected with the third movable sliding block (72) through a fastener.

5. The trip screw adjustment mechanism for a circuit breaker of claim 4, wherein: and the rotating motor (1) is provided with a connecting piece (12) for fixedly arranging the rotating motor (1) on the third movable sliding block (72).

6. The trip screw adjustment mechanism for a circuit breaker of claim 5, wherein:

the shape of connecting piece (12) is the type of falling L, connecting piece (12) install in the front end of rotating motor (1) just a curb plate of connecting piece (12) is located rotate motor (1) with between third activity slider (72), elastic expansion piece (6) connect in second activity slider (21) with between the front bezel of connecting piece (12), the preceding terminal surface of connecting piece (12) is equipped with one and is used for supplying the pivot of rotating motor (1) passes through-hole (13) wherein.

7. The trip screw adjustment mechanism for a circuit breaker of any one of claims 1-6, wherein:

the screw adjustment batch head assembly (5) comprises a guide column (51) connected to the tail end of the coupler (11) and a batch head main body (52) installed at the center of the guide column (51), and a guide groove (53) used for guiding and positioning the batch head main body (52) is recessed into the tail end of the guide column (51).