CN218631791U

CN218631791U - Clamp plate type self-positioning isolating switch operating mechanism with indication function

Info

Publication number: CN218631791U
Application number: CN202222565863.6U
Authority: CN
Inventors: 胡秋生; 张贺; 陈一涵; 白振宇; 刘俊
Original assignee: Wuxi Xishan Huguang Electrical Apparatus Co ltd
Current assignee: Wuxi Xishan Huguang Electrical Apparatus Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-03-14
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to a clamp plate type self-positioning isolating switch operating mechanism with an indicating function, which comprises a back clamp plate and a front clamp plate which are oppositely arranged in parallel, and a plurality of supporting columns which connect the back clamp plate and the front clamp plate together; the front splint is movably connected with a driving cam, and a plurality of driving teeth which are distributed annularly are arranged on the driving cam; the rear clamping plate is movably inserted with a driven wheel, the driven wheel is provided with a plurality of driven teeth embedding devices which are crossed with the driving teeth embedding devices, the side wall of the driven wheel is provided with two positioning grooves, the positioning grooves are intermittently clamped with positioning claws for limiting the driven wheel, and the driving cam further comprises bumps for intermittently pushing the positioning claws. The utility model discloses can realize keeping apart automatic unblock and the locking function of operating device between two positions of separating brake and combined floodgate to give two kinds of instruction state's of machinery (instructing the connecting lever) and electricity (micro-gap switch) signal, better judgement isolator's state at the position of separating brake and combined floodgate.

Description

Clamp plate type self-positioning isolating switch operating mechanism with indication function

Technical Field

The utility model belongs to the technical field of the isolator equipment technique and specifically relates to a self-align isolator operating device of splint formula of band-pass instruction function.

Background

The indoor power distribution device is divided into a fixed type and a movable type according to a main switch (the installation structure of a circuit breaker is generally divided into a fixed type and a movable type, the movable type automatically generates an isolation fracture after the circuit breaker is moved away without the operation of a special operation mechanism, the fixed type is fixedly installed with the circuit breaker and is generally matched with the isolation switch, and an isolation contact knife is separated through the operation mechanism of the isolation switch to generate an obvious isolation fracture, so that the aim of safe maintenance is fulfilled.

The isolating switch is generally installed in a three-phase connection mode, pin locking positions are respectively arranged after a circuit is disconnected and closed, the isolating switch can bear the impact of short-time electric power due to locking after switching on, and the isolating switch can be prevented from being switched on by unexpected vibration or acting force of other non-operation intentions.

Generally, such a mechanism is mounted on an operation panel, and has a large volume, and the pin needs to be pulled out first during operation. With the trend of miniaturization of switch cabinets and the requirement of beautifying the appearance of equipment, the operating mechanisms with the basic functions are few, and the actual using effect is poor.

Therefore, the clamping plate type self-positioning isolating switch operating mechanism with the indicating function is provided.

SUMMERY OF THE UTILITY MODEL

The applicant provides a clamping plate type self-positioning isolating switch operating mechanism with an indication function aiming at the defects in the prior art, so that the automatic unlocking and locking functions of the isolating operating mechanism between two positions of opening and closing are realized.

The utility model discloses the technical scheme who adopts as follows:

a clamp plate type self-positioning isolating switch operating mechanism with an indicating function comprises a rear clamp plate, a front clamp plate and a plurality of supporting columns, wherein the rear clamp plate and the front clamp plate are oppositely arranged in parallel; the front splint is movably connected with a driving cam, and a plurality of driving teeth which are distributed annularly are arranged on the driving cam; the rear clamping plate is movably inserted with a driven wheel, the driven wheel is provided with a plurality of driven tooth embedding inserts which are crossed with the driving tooth embedding inserts, the side wall of the driven wheel is provided with two positioning grooves, the positioning grooves are intermittently clamped with positioning claws for limiting the driven wheel, and the driving cam also comprises a lug for intermittently pushing the positioning claws; an output shaft is inserted into one end of the driven wheel penetrating through the rear clamping plate, an output crank arm is sleeved on the output shaft, and the output crank arm is connected with an isolating switch operation crank arm and controls the isolating switch to be separated and connected; the positioning claw is connected between the rear clamping plate and the front clamping plate through a pin shaft which is movably inserted in a penetrating manner, one end of the pin shaft penetrating through the rear clamping plate is sleeved with a bent plate, and the other end of the bent plate touches the microswitch and controls the microswitch to be switched on and switched off; and the pin shaft is connected with a torsional spring for driving the positioning pawl to approach the driven wheel.

It is further characterized in that:

the driving cam is connected to an operating shaft, the operating shaft is movably inserted into the front clamping plate, and a non-circular hole is formed in the operating shaft.

An eccentric wheel is fixedly sleeved between the front clamping plate and the driving cam, and is abutted against and pushes the indicating crank arm to rotate, and the indicating crank arm is hinged to the front clamping plate.

The active embedding and the passive embedding are intermittent, and the time for separating the positioning claws from the driven wheels is reserved.

One side of the positioning groove is arc-shaped.

Fixedly connected with cover has cup jointed the torsional spring core cover on the round pin epaxial on the locating pawl, has cup jointed the torsional spring on the torsional spring core cover, and the one end of torsional spring is fixed on the locating pawl, and the other end of torsional spring is fixed on the front plate, can provide one through the torsional spring and be close to the torsion of follower with the locating pawl, makes things convenient for the locating pawl can the joint to the switching-on constant head tank or the separating brake constant head tank on the follower.

The support columns are distributed in a matrix mode.

The other end swing joint backup pad of output shaft, the backup pad passes through a plurality of support columns and back splint interconnect.

The upper end fixedly connected with sliding sleeve mounting panel of one side of front bezel, the upper end of sliding sleeve mounting panel is connected with the sliding sleeve, and it has manual minute floodgate axle to peg graft in the sliding sleeve, and manual minute floodgate axle is connected with mechanical type direct current circuit breaker.

The lower extreme both sides of back splint and front plate are connected with the installing support respectively, and the installing support is C type structure, and the installing support is in the same place back splint and front plate block and connect, and set up the mounting hole easy to assemble on the installing support.

The utility model has the advantages as follows: the utility model discloses a simple structure combination can realize keeping apart operating device automatic unblock and locking function between two positions of separating brake and combined floodgate, unless exert the power that has the operation intention on the operation axis, otherwise the switch can be reliably locked in separating brake or combined floodgate position to give two kinds of instruction state's of machinery (instructing the turning arm) and electricity (micro-gap switch) signal at the position of separating brake and combined floodgate, the size is little, and is more pleasing to the eye, has very strong practicality.

The utility model has compact and reasonable structure and convenient operation,

and simultaneously, the utility model discloses still possess following advantage:

(1) The other end of the bent plate touches the micro switch and controls the on-off of the micro switch, and an electric signal can be given through the on-off of the micro switch to remind an operator whether the isolating switch reaches a designated position.

(2) Through setting up the eccentric wheel, the eccentric wheel is contradicted and is promoted simultaneously and instruct the turning arm and rotate, instructs the rotation of turning arm, can promote the mechanical type status indicator who sets up in addition, carries out mechanical instant instruction to isolator current state.

(3) The positioning claw can be pushed through the bump to separate the positioning claw from the driven wheel, meanwhile, the bump can also drive the driven wheel to rotate along with the driven wheel to drive the output connecting lever connected with the driven wheel to move, and the output connecting lever is connected with the isolating switch operation connecting lever, so that the isolating switch is separated and connected.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a schematic structural view of another viewing angle of the present invention (after removing the supporting plate).

Fig. 4 is a schematic view of the connection structure of the driving cam, the driven wheel and the positioning pawl of the present invention.

Fig. 5 is a schematic structural view of the driving cam, the driven wheel and the positioning pawl of the present invention in a continuous working state.

Fig. 6 is an enlarged schematic view of the structure of the active cam of the present invention.

Fig. 7 is an enlarged schematic view of the structure of the driven wheel of the present invention.

Wherein:

1. a support plate; 2. a rear splint; 3. a support column; 4. a sliding sleeve; 5. a sliding sleeve mounting plate; 6. mounting a bracket; 7. a front splint; 8. indicating a crank arm; 9. a microswitch; 10. bending a plate; 11. a pin shaft; 12. an output crank arm; 13. an operating shaft; 14. an eccentric wheel; 15. a driving cam; 16. a driven wheel; 17. a positioning claw; 18. a torsion spring; 19. a torsion spring core sleeve;

1201. an output shaft;

1501. a bump; 1502. embedding a driving tooth;

1601. closing a positioning groove; 1602. a brake separating positioning groove; 1603. and embedding the driven teeth.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Example 1

As shown in fig. 1-7, the operating mechanism of a clamp plate type self-positioning disconnecting switch with an indication function disclosed in this embodiment includes a rear clamp plate 2 and a front clamp plate 7 which are oppositely arranged in parallel, and a plurality of support columns 3 which are distributed in a matrix and connect the rear clamp plate 2 and the front clamp plate 7 together;

the front clamping plate 7 is movably connected with a driving cam assembly, the driving cam assembly is formed by connecting an operating shaft 13, an eccentric wheel 14 and a driving cam 15, the operating shaft 13 is movably inserted on the front clamping plate 7, one side of the front clamping plate 7, which is close to the rear clamping plate 2, is connected with the driving cam 15, the eccentric wheel 14 is fixedly sleeved between the front clamping plate 7 and the driving cam 15, and the operating shaft 13 is provided with a non-circular hole, so that a handle can conveniently drive the operating shaft 13 to rotate;

a driven wheel 16 matched with the driving cam 15 is movably inserted and connected to the rear clamping plate 2, two positioning grooves are formed in the side wall of the driven wheel 16, both the two positioning grooves can serve as a closing positioning groove 1601 and a separating positioning groove 1602, positioning claws 17 for limiting the driven wheel 16 are intermittently clamped and connected to the positioning grooves, one sides of the positioning grooves are arranged in an arc shape, the positioning claws 17 are conveniently clamped and connected to the positioning grooves, and meanwhile the positioning claws 17 are conveniently separated from the positioning grooves, the positioning claws 17 are connected between the rear clamping plate 2 and the front clamping plate 7 through pin shafts 11 movably inserted and connected in a penetrating mode, one ends of the pin shafts 11 penetrating through the rear clamping plate 2 are sleeved with bent plates 10, the other ends of the bent plates 10 touch the micro switches 9 and control the micro switches 9 to be opened and closed, electric signals can be given through the opening and closing of the micro switches 9, and operators are reminded whether the isolating switches reach designated positions or not;

the driven wheel 16 can automatically follow up along with the rotation of the driving cam 15, the driving cam 15 comprises a bump 1501 and a plurality of driving embedding teeth 1502 which are connected to the bump 1501 and distributed annularly, the bump 1501 can intermittently push the positioning claws 17 to enable the positioning claws 17 to be separated from the positioning grooves, the driven wheel 16 is connected with driven embedding teeth 1603 corresponding to the driving embedding teeth 1502, the driving embedding teeth 1502 and the driven embedding teeth 1603 are arranged in a crossed mode, follow-up can be achieved through the matching of the driving embedding teeth 1502 and the driven embedding teeth 1603, and meanwhile, the time for the driving cam 15 to push the positioning claws 17 to be separated from the driven wheel 16 can be reserved due to the fact that the driving embedding teeth 1502 and the driven embedding teeth 1603 have certain intervals.

An output shaft 1201 is inserted into one end of the driven wheel 16 penetrating through the rear clamping plate 2, an output crank arm 12 is sleeved on the output shaft 1201, and the output crank arm 12 is connected with an isolating switch operation crank arm and controls the isolating switch to be separated and connected;

still fixedly connected with cover torsion spring core cover 19 on round pin axle 11 on the locating pawl 17, cup jointed the torsion spring 18 on the torsion spring core cover 19, the one end of torsion spring 18 is fixed on locating pawl 17, and the other end of torsion spring 18 is fixed on front splint 7, can provide one through torsion spring 18 and be close to the torsion of follower 16 with locating pawl 17, makes things convenient for in locating pawl 17 can the joint closing constant head tank 1601 or the separating brake constant head tank 1602 on follower 16.

The eccentric wheel 14 is abutted against and pushes the indicating crank arm 8 to rotate, the indicating crank arm 8 rotates, the rotating angle of the operating shaft 13 can be visualized, and mechanical state indication is realized;

in order to conveniently limit the output shaft 1201 and improve the stability of the output crank arm 12, the other end of the output shaft 1201 is movably connected with a support plate 1, and the support plate 1 is connected with a rear clamping plate 2 through a plurality of support columns 3;

an external operation handle is inserted into a square hole on an operation shaft 13 to drive an eccentric wheel 14 and a driving cam 15 to rotate clockwise or anticlockwise, the eccentric wheel 14 drives an indication crank arm 8 to move to complete the opening and closing position indication, meanwhile, a bump 1501 is lifted or separated from a positioning claw 17 to drive a bent plate 10 fixed on a pin shaft 11 to rotate, so that the opening and closing of a microswitch 9 are controlled, and whether an isolating switch reaches a specified position or not can be indicated from an electrical angle along with the opening and closing of the microswitch 9.

Meanwhile, as the positioning claw 17 is lifted, the driving embedding element 1502 continues to drive the driven wheel 16 to move, so as to drive the output crank arm 12 connected with the driven wheel to move, and the output crank arm 12 is connected with the isolating switch operation crank arm, so that the isolating switch is separated and connected.

Specifically, the opening operation process of the isolating switch is as follows: the operating shaft 13 rotates anticlockwise to drive the eccentric wheel 14 to drive the driving cam 15 to rotate, the eccentric wheel 14 acts on the indicating connecting lever 8, and the indicating connecting lever 8 is indicated to push the indicating device to indicate the opening state along with the rotation to the opening position; the projection 1501 on the driving cam 15 pushes the positioning pawl 17 to be lifted at the beginning of rotation as shown in the upper left structure of fig. 5, and when the positioning pawl 17 is completely separated from the closing positioning slot 1601, the automatic unlocking function is realized, as shown in the upper right structure of fig. 5, the driving plunger 1502 contacts with the driven plunger 1603, as the movement continues, the driven plunger 1603 drives the output crank arm 12 connected with the driven plunger 1603 to move, at this time, the disconnecting switch operating crank arm linked with the driven plunger starts to be opened, when the opening position is reached, the projection 1501 is separated from the positioning pawl 17 and falls on the boss of the driven wheel 16, as shown in the lower right structure of fig. 5, the torsion spring 18 installed on the torsion spring core 19 makes the positioning pawl 17 fall into the opening positioning slot 1602 through torsion force to stop the rotation movement, and the automatic locking of the opening position is realized, as shown in the lower left structure of fig. 5.

Otherwise, the same principle is adopted; the closing operation process of the isolating switch is as follows: the operating shaft 13 rotates clockwise to drive the driving cam 15 to rotate, the bump 1501 on the driving cam 15 pushes the positioning claw 17 to lift at the beginning of rotation, when the bump is completely separated from the closing positioning groove 1601, an automatic unlocking function is realized, at the moment, the driving plunger 1502 is contacted with the driven plunger 1603, along with the continuous motion, the driven plunger 1603 drives the output connecting lever 12 connected with the driven plunger 1603 to move, at the moment, the disconnecting switch operating connecting lever linked with the driven plunger starts to close, when the opening position is reached, the bump 1501 is separated from the positioning claw 17 and falls on the boss of the driven wheel 16, when the motion continues to the closing positioning groove 1601, the torsion spring 18 arranged on the torsion spring core sleeve 19 enables the positioning claw 17 to fall into the closing positioning groove 1601 to stop the rotation motion through torsion, the automatic locking of the closing position is realized, and the position motion of the positioning eccentric 14 and the indicating connecting lever 8 is also opposite to the opening process.

Through the above-mentioned characteristic description, the automatic unlocking and locking functions of the isolation operating mechanism between the opening position and the closing position can be realized, unless a force with an operation intention is exerted on the operating shaft 13, the switch can be reliably locked at the opening position or the closing position, and the mechanical (indicating crank arm 8) and electrical (microswitch 9) state signals are given at the opening position and the closing position.

Example 2

The difference with embodiment 1 lies in, at one side upper end fixedly connected with sliding sleeve mounting panel 5 of front bezel 7, the upper end of sliding sleeve mounting panel 5 is connected with sliding sleeve 4, can peg graft in the sliding sleeve 4 and have manual separating brake axle, and manual separating brake axle is connected with mechanical type direct current circuit breaker, and its manual separating brake device that is used for the circuit breaker provides the installation support, and its form can change according to the circuit breaker demand of reality.

A plurality of supporting columns 3 are connected to one side of the front clamping plate 7 far away from the rear clamping plate 2, and the supporting columns 3 only serve as some supports for mounting the whole machine, such as an operation panel.

Example 3

The difference with embodiment 1 lies in, still is connected with installing support 6 respectively in the lower extreme both sides of back splint 2 and front splint 7, and installing support 6 is C type structure, and installing support 6 passes through bolt assembly with back splint 2 and front splint 7 block and be connected together, and has seted up the mounting hole on installing support 6, mutual fixed between convenient and supporting equipment.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims

1. The utility model provides a splint formula of taking instruction function is from locating isolator operating device which characterized in that: comprises a rear clamping plate (2) and a front clamping plate (7) which are oppositely arranged in parallel, and a plurality of supporting columns (3) which connect the rear clamping plate (2) and the front clamping plate (7) together;

the front splint (7) is movably connected with a driving cam (15), and a plurality of driving embeddings (1502) which are distributed annularly are arranged on the driving cam (15);

a driven wheel (16) is movably inserted into the rear splint (2), a plurality of passive teeth embedding devices (1603) corresponding to the active teeth embedding devices (1502) are arranged on the driven wheel (16), two positioning grooves are formed in the side wall of the driven wheel (16), positioning claws (17) for limiting the driven wheel (16) are intermittently clamped on the positioning grooves, and the active cam (15) further comprises bumps (1501) for intermittently pushing the positioning claws (17);

one end of the driven wheel (16) penetrating through the rear clamping plate (2) is connected with an output crank arm (12), and the output crank arm (12) is connected with an isolating switch operation crank arm and controls the isolating switch to be separated and connected;

the positioning claw (17) is connected between the rear clamping plate (2) and the front clamping plate (7) through a pin shaft (11), one end of the pin shaft (11) penetrating through the rear clamping plate (2) is sleeved with a bent plate (10), the other end of the bent plate (10) touches the microswitch (9), and the microswitch (9) is controlled to be opened and closed;

and the pin shaft (11) is connected with a torsion spring (18) which drives the positioning claw (17) to approach the driven wheel (16).

2. The operating mechanism of a clamp plate type self-positioning isolating switch with an indicating function as claimed in claim 1, wherein: the driving cam (15) is connected to the operating shaft (13), the operating shaft (13) is movably inserted into the front clamping plate (7), and the operating shaft (13) is provided with a non-circular hole.

3. The operating mechanism of a clamp plate type self-positioning isolating switch with an indicating function as claimed in claim 2, wherein: an eccentric wheel (14) is fixedly sleeved between the front clamping plate (7) and the driving cam (15), the eccentric wheel (14) is abutted to push the indicating crank arm (8) to rotate, and the indicating crank arm (8) is hinged to the front clamping plate (7).

4. The operating mechanism of a clamp plate type self-positioning isolating switch with an indicating function as claimed in claim 1, characterized in that: the active embedding teeth (1502) and the passive embedding teeth (1603) are intermittent, and the time for separating the positioning claws (17) from the driven wheel (16) is reserved.

5. The operating mechanism of a clamp plate type self-positioning isolating switch with an indicating function as claimed in claim 1, wherein: one side of the positioning groove is arc-shaped.

6. The operating mechanism of a clamp plate type self-positioning isolating switch with an indicating function as claimed in claim 1, wherein: fixedly connected with cover torsional spring core cover (19) on round pin axle (11) on positioning pawl (17), cup jointed torsional spring (18) on torsional spring core cover (19), the one end of torsional spring (18) is fixed on positioning pawl (17), the other end of torsional spring (18) is fixed on front splint (7), can provide a torsion that is close to follower (16) with positioning pawl (17) through torsional spring (18), make things convenient for positioning pawl (17) can the joint to closing a floodgate constant head tank (1601) or separating brake constant head tank (1602) on follower (16).

7. The operating mechanism of a clamp plate type self-positioning isolating switch with an indicating function as claimed in claim 1, wherein: the supporting columns (3) are distributed in a matrix manner.

8. The operating mechanism of a clamp plate type self-positioning isolating switch with an indicating function as claimed in claim 1, wherein: the driven wheel (16) penetrates through one end of the rear clamping plate (2) and is connected with an output shaft (1201) in an inserting mode, the other end of the output shaft (1201) is movably connected with the supporting plate (1), and the supporting plate (1) is connected with the rear clamping plate (2) through a plurality of supporting columns (3).

9. The operating mechanism of a clamp plate type self-positioning isolating switch with an indicating function as claimed in claim 1, wherein: the automatic brake device is characterized in that a sliding sleeve mounting plate (5) is fixedly connected to the upper end of one side of the front clamping plate (7), a sliding sleeve (4) is connected to the upper end of the sliding sleeve mounting plate (5), a manual brake separating shaft is inserted into the sliding sleeve (4), and the manual brake separating shaft is connected with a knife switch mechanical type direct current vacuum circuit breaker of the isolating switch.

10. The operating mechanism of a clamp plate type self-positioning isolating switch with an indicating function as claimed in claim 1, wherein: the lower extreme both sides of back splint (2) and front splint (7) are connected with installing support (6) respectively, and installing support (6) are C type structure, and installing support (6) are in the same place back splint (2) and front splint (7) block and be connected together, and offer the mounting hole easy to assemble on installing support (6).