CN115881452A

CN115881452A - Operating mechanism of switch device

Info

Publication number: CN115881452A
Application number: CN202110921421.8A
Authority: CN
Inventors: 贾超举
Original assignee: Shanghai Liangxin Electrical Co Ltd
Current assignee: Shanghai Liangxin Electrical Co Ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2023-03-31

Abstract

An operating mechanism of a switchgear, characterized in that: the double-power-supply automatic transfer switch comprises a support, a sliding plate is arranged in the support and can slide back and forth between a common side and a standby side, an output system comprises electromagnets, a turnover pull rod mechanism, a rotating lever and a corresponding main spring, wherein the electromagnets are arranged in the support and correspond to the common side and the standby side respectively; when the double-power-supply automatic transfer switch is kept at the end position after the conversion of the two positions is finished, the corresponding locking device locks the corresponding position, and the requirement of manual operation irrelevant when the brake is manually switched on and off can be met.

Description

Operating mechanism of switch device

Technical Field

The invention belongs to the technical field of low-voltage electrical appliances, and particularly relates to an operating mechanism of a switching device, which is particularly suitable for a dual-power automatic transfer switch.

Background

The dual-power automatic transfer switch is widely applied to modern power transmission and distribution line systems, especially in the occasions of hospitals, intelligent buildings, data centers, power plants, banks, important infrastructures and the like needing to keep power supply continuity. In the working process of the dual-power automatic transfer switch, the reliability of the transfer and the stability of the operation are directly related to the continuous power supply output state of the power transmission and distribution line; the dual-power automatic transfer switch comprises two types, namely a two-position automatic transfer switch and a three-position automatic transfer switch; the two-position automatic change-over switch is switched between two states of a common-side power supply switch-on state (simultaneous standby-side power supply switch-off state) and a standby-side power supply switch-on state (simultaneous common-side power supply switch-off state), so that continuous, stable and reliable electric energy output of a power transmission and distribution line is realized.

The operating mechanism is used as a core part of the dual-power automatic transfer switch, provides kinetic energy for position conversion of the automatic transfer switch, and is linked with a contact system of the automatic transfer switch through an output part of the operating mechanism to perform switching-on position state conversion between a common-side power supply and a standby-side power supply; the operating mechanism of the automatic change-over switch in the two positions has two states, which respectively correspond to a common side power supply switch-on position and a standby side power supply switch-on position. However, in the prior art, the locking mechanisms are respectively arranged on the common side and the standby side of the automatic transfer switch at two positions, and the locking mechanisms on the common side and the standby side are not interfered with each other, so that the situation that only one of the common side or the standby side is locked, and the other side is not locked to cause misoperation is easily caused, and on the other hand, the conventional dual-power automatic transfer switch is of a dual-spindle structure and cannot meet the requirement of wiring on the same side of a product; the other aspect is that manual direct operation is needed when the existing dual-power automatic transfer switch is manually switched on and off, so that switching on and off actions cannot be completed when manpower is too small, and a switching device is easily damaged when the manpower is too large.

Disclosure of Invention

The invention aims to overcome the defects of the conventional dual-power automatic transfer switch operating mechanism, and provides an operating mechanism of a switching device, which can realize the stable switching of a dual-power automatic transfer switch between two states of a common-side power supply switching-on state (simultaneous standby-side power supply switching-off state) and a standby-side power supply switching-on state (simultaneous common-side power supply switching-off state); when the double-power-supply automatic transfer switch is kept at the termination position after the conversion of the two positions is finished, the corresponding locking device locks the corresponding position, the risk of misoperation of a product is avoided, the requirement of manual operation during manual switching on and switching off can be met, the operating mechanism of the whole double-power-supply automatic transfer switch has the position layout of modularized parts, the structure is compact, the installation and maintenance are convenient and fast, the operation is convenient, and the reliability is high.

Technical scheme

In order to achieve the above object, an operating mechanism of a switchgear according to the present invention is characterized in that: it includes the support, support one side is the side commonly used, and the opposite side is reserve side, and the slide setting is in can make a round trip to slide between side commonly used in the support and the reserve side, the side commonly used in the slide utilizes corresponding electro-magnet of corresponding upset pull rod mechanism linkage with the reserve side, and rotatable the installing of output system one end on the support, the other end is located the support outside, side commonly used in the support and reserve side still are provided with corresponding rotatory lever and the main spring that corresponds, output system with thereby the corresponding rotatory lever of side commonly used in the support and reserve side and the corresponding main spring linkage mutually, output system is in the corresponding electro-magnet of side commonly used in the support and reserve side, upset pull rod mechanism, rotatory lever and corresponding main spring combined action down can make a round trip to rotate and realize corresponding switching-on and switching-off operation between power of side commonly used and the reserve side power, output system can be at the rotatory lever that side commonly used and reserve side correspond when the switching-on position of side commonly used and reserve side, auto-lock under main spring and the combined action of upset pull rod mechanism.

Furthermore, a shifting lever is installed on the support and is rotatably installed on the support, a sliding plate linkage portion is arranged on the shifting lever, and the shifting lever can drive the sliding plate to slide back and forth between the common side and the standby side on the support by utilizing the sliding plate linkage portion.

Furthermore, an output system through hole is formed in the toggle lever and used for allowing the output system to penetrate through.

Furthermore, the common side and the standby side of the bracket are provided with corresponding indicating mechanisms, and the corresponding rotating levers are linked with the corresponding indicating mechanisms to indicate the corresponding switching-on and switching-off conditions of the common side power supply and the standby side power supply.

Further, be provided with the installation through-hole on the support and be used for installing output system, be located on the support the side commonly used and the reserve side of installation through-hole both sides are provided with corresponding arc slotted hole, be located on the support medial surface the installation through-hole with the position is provided with corresponding installation axle between the corresponding arc slotted hole, be located on the support medial surface the installation through-hole below is provided with indicator reset spring installation axle, two sides commonly used and the reserve side on the surface are located around the support outer corresponding arc slotted hole below position is provided with corresponding electro-magnet installation department, be located on the outer front surface of support the installation through-hole below relevant position is equipped with toggle lever installation axle.

Further, the corresponding turning pull rod mechanisms of the common side and the standby side comprise corresponding turning levers, the corresponding turning levers are rotatably mounted on corresponding mounting shafts, the corresponding turning levers are in pivot connection with the corresponding sides of the sliding plates through corresponding sliding plate shafts, corresponding turning limiting linkage shafts are arranged on the corresponding turning levers, two ends of the corresponding turning limiting linkage shafts are located in the corresponding arc-shaped long grooves, pull rod linkage portions are further arranged on the corresponding turning levers, pull rod linkage holes corresponding to the pull rod linkage portions on the corresponding turning levers are formed in the corresponding pull rods of the common side and the standby side, the corresponding pull rods are in linkage mounting with the pull rod linkage portions on the corresponding turning levers through the pull rod linkage holes, electromagnet linkage portions are further arranged on the corresponding pull rods, and the corresponding pull rods are in linkage with corresponding iron cores of the electromagnets through the electromagnet linkage portions.

Furthermore, the corresponding rotating levers of the common side and the standby side in the support are rotatably arranged on the corresponding mounting shafts, the corresponding rotating levers are linked with the output system by using the corresponding rotating linkage shafts, and the corresponding rotating levers are also provided with indicator piece linkage parts for linking the corresponding indicating mechanisms.

Furthermore, one end of each main spring corresponding to the common side and the standby side in the support is arranged on the corresponding overturning limiting linkage shaft, and the other end of each main spring is arranged on the corresponding rotating linkage shaft.

Further, output system is including the installation axle sleeve, the installation axle suit can rotate in the installation through-hole, and the output shaft dress is in the installation axle sleeve, the installation axle sleeve can drive in the installation through-hole internal rotation process the output shaft rotates, it is provided with corresponding linkage cantilever to lie in side commonly used and reserve side on the installation axle sleeve, be provided with the linkage slotted hole on the corresponding linkage cantilever, be provided with the spacing portion of linkage in the linkage slotted hole, corresponding rotatory universal driving shaft lies in corresponding linkage slotted hole and makes the corresponding rotatory lever of side commonly used and reserve side rotates the in-process linkage in the support installation axle sleeve and then the linkage the output shaft.

Furthermore, the indicating mechanism corresponding to the common side and the standby side in the support comprises an indicating piece, the indicating piece is rotatably mounted on the corresponding mounting shaft, an indicating touch part and an indicating linkage part are arranged on the indicating piece, the indicating touch part is correspondingly linked with the indicating piece linkage part arranged on the rotating lever, the indicating linkage part of the corresponding indicating mechanism is linked with the corresponding overturning limiting linkage shaft, a reset spring connecting part is further arranged on the indicating piece, one end of a reset spring of the indicating piece corresponding to the common side and the standby side in the support is connected to the corresponding reset spring connecting part, the other end of the reset spring of the indicating piece is connected to the corresponding indicating piece reset spring mounting shaft, and a switching-on/off indicating area arranged on the indicating piece is used for indicating the switching-on/off condition in the rotating process of the indicating piece.

Further, the support comprises a pair of side plates which are fixedly connected together by a plurality of support connecting shafts.

Further, when the power supply on the common side is at a switch-on position, a connecting line of a turning limiting linkage shaft on the standby side and a rotation center of a rotation linkage shaft on the standby side is positioned above a rotation center of a rotation lever on the standby side, a connecting line of the turning limiting linkage shaft on the common side and the rotation center of the rotation linkage shaft on the common side is positioned below the rotation center of the rotation lever on the common side, and a normal line of a contact surface of a linkage limiting part in a linkage slot hole on the standby side of the mounting shaft sleeve and the rotation linkage shaft on the standby side points to the rotation center of the rotation lever on the standby side;

when the standby side power supply is in a closing connection position, a connecting line of a turning limiting linkage shaft of the common side and a rotation center of a rotation linkage shaft of the common side is located above a rotation center of a rotation lever of the common side, a connecting line of a turning limiting linkage shaft of the standby side and a rotation center of a rotation linkage shaft of the standby side is located below a rotation center of a rotation lever of the standby side, and a normal line of a contact surface of a linkage limiting portion in a linkage slot hole of the common side on the mounting sleeve and the rotation linkage shaft of the common side points to the rotation center of the rotation lever of the common side.

Further, when the corresponding turning levers of the common side and the standby side rotate to the connecting line of the corresponding turning limit linkage shaft and the rotation center of the corresponding rotation linkage shaft passes through the rotation center of the corresponding rotation lever, the corresponding main springs of the common side and the standby side do not enable the corresponding rotation levers to generate rotating moment, so that the corresponding rotation levers are located at dead point positions.

Advantageous effects

The operating mechanism of the switching device provided by the invention realizes the stable switching of the dual-power automatic transfer switch between two states of the switching-on of the power supply at the common side (the switching-off of the power supply at the standby side at the same time) and the switching-on of the power supply at the standby side (the switching-off of the power supply at the common side at the same time); when the double-power-supply automatic transfer switch is kept at the termination position after the conversion of the two positions is finished, the corresponding locking device locks the corresponding position, the risk of misoperation of a product is avoided, the requirement of manual operation during manual switching on and switching off can be met, the operating mechanism of the whole double-power-supply automatic transfer switch has the position layout of modularized parts, the structure is compact, the installation and maintenance are convenient and fast, the operation is convenient, and the reliability is high.

Drawings

FIG. 1 is a schematic view of the operating mechanism of an embodiment of the present invention;

FIG. 2 is a schematic diagram of an operating mechanism of an embodiment of the present invention;

FIG. 3a is a schematic structural diagram of a first side plate in the embodiment of the invention;

FIG. 3b is a schematic structural diagram of a first side plate in the embodiment of the invention;

FIG. 4 is a schematic structural diagram of a second side plate in the embodiment of the invention;

FIG. 5 is a schematic diagram of the construction of the toggle lever in the embodiment of the present invention;

FIG. 6 is a schematic view of a structure of a rotating lever according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a mounting boss in an embodiment of the present invention;

FIG. 8 is a schematic view of a slide in an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a toggle lever in an embodiment of the present invention;

FIG. 10a is a schematic view of a conventional side indicator according to an embodiment of the present invention;

FIG. 10b is a schematic view of the spare side indicator of an embodiment of the present invention;

FIG. 11 is a schematic view showing the connection relationship between the electromagnet, the pull rod and the turning lever according to the embodiment of the present invention;

fig. 12 is a schematic diagram of a first operating mechanism in a standby-side power supply closing on state in the embodiment of the present invention;

fig. 13 is a schematic diagram of a second embodiment of the operating mechanism in a standby-side power-on state in accordance with the present invention;

fig. 14 is a schematic diagram of a third embodiment of the operating mechanism in a standby-side power supply closing and on state;

FIG. 15 is a schematic diagram of an operating mechanism converting a rotating lever from a standby-side power-on state to a normal-side power-on state to a dead-point position in an embodiment of the present invention;

FIG. 16 is a schematic diagram illustrating an embodiment of the present invention in which the operating mechanism switches the rotating lever from the standby-side power-on state to the normal-side power-on state to a position past the dead point;

FIG. 17 is a first schematic diagram of a power switch on a common side of an operating mechanism in an embodiment of the present invention;

FIG. 18 is a schematic diagram of a second power switch-on the common side of the operating mechanism in the embodiment of the present invention;

FIG. 19 is a third schematic diagram of a power switch on a common side of an operating mechanism in an embodiment of the present invention;

fig. 20 is a schematic diagram of the state of an indicating element when the operating mechanism is in standby-side power supply switching-on (normal-side power supply switching-off) in the embodiment of the present invention;

FIG. 21 is a schematic diagram of the state of an indicating part when an operating mechanism is in a normal-side power supply switching-on state (standby-side power supply switching-off state) in the embodiment of the invention;

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

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

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

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Examples

As shown in fig. 1 and 2, an operating mechanism of a switch device includes a support 1, one side of the support 1 is a common side, the other side is a standby side, a sliding plate 2 shown in fig. 8 is arranged in the support 1, the common side and the standby side can slide back and forth, the common side and the standby side of the sliding plate 2 use corresponding turning pull rod mechanisms a and a 'to link corresponding electromagnets B and B', one end of an output system 3 is rotatably installed on the support 1, the other end is positioned outside the support 1, a toggle lever 4 is installed on the support 1, the toggle lever 4 is rotatably installed on the support 1, as shown in fig. 9, a sliding plate linkage part 401 is arranged on the toggle lever 4, and the toggle lever 4 can drive a driven shaft 2B on the sliding plate 2 to enable the common sliding plate 2 to slide back and forth between the upper side and the standby side of the support 1 by using the sliding plate linkage part 401. An output system through hole 402 is formed on the toggle lever 4 for the output system 3 to pass through. The utility model discloses a power supply switching device, including support 1, common side and reserve side, output system 3 and support 1, common side and reserve side are equipped with corresponding rotatory lever C, C ' and corresponding main spring D, D ' in the support 1 still, output system 3 with the corresponding rotatory lever C of common side and reserve side in the support 1, C ' and corresponding main spring D, D ' are linked mutually, output system 3 is in the corresponding electro-magnet B of common side and reserve side in the support 1, B ' or toggle lever 4, upset pull rod mechanism A, A ', rotatory lever C, C ' and corresponding main spring D, D ' combined action down can make a round trip to rotate thereby realize corresponding switching on and off operation between common side power supply and the reserve side power supply, output system 3 can be at common side and reserve side's switching on position corresponding rotatory lever C, C ', main spring D ', D ' and upset pull rod mechanism A, A ' combined action down auto-lock. The common side and the standby side of the bracket 1 are provided with corresponding indicating mechanisms E and E ', and the corresponding rotating levers C and C ' are linked with the corresponding indicating mechanisms E and E ' to indicate the corresponding switching-on and switching-off conditions of the power supply at the common side and the power supply at the standby side.

Referring to the detailed structure of each part in this embodiment, as shown in fig. 1,3a,3b and 4, the bracket 1 includes a pair of side plates 101,101', and the pair of side plates 101,101' are connected and fixed together by a plurality of bracket connecting shafts 1 a. The support 1 is provided with a mounting through hole 102 for mounting an output system 3, the support 1 is provided with corresponding arc-shaped slotted holes 103 and 103' on a common side and a standby side which are positioned at two sides of the mounting through hole 102, corresponding mounting shafts 104 and 104' are arranged on an inner side surface of the support 1 between the mounting through hole 102 and the corresponding arc-shaped slotted holes 103 and 103', an indicating member return spring mounting shaft 105 is arranged below the mounting through hole 102 on the inner side surface of the support 1, corresponding electromagnet mounting parts 106 and 106' are arranged at positions below the corresponding arc-shaped slotted holes 103 and 103' on the common side and the standby side on the front and rear surfaces outside the support 1, the electromagnet mounting parts 106 and 106' are bends on the pair of side plates 101 and 101', and a toggle lever mounting shaft 107 is arranged at a corresponding position below the mounting through hole 102 on the front surface outside the support 1.

As shown in fig. 1,2 and 5, the respective flip lever mechanisms a, a ' on the normal side and the standby side include respective flip levers A1, A1', the respective flip levers A1, A1' are rotatably mounted on respective mounting shafts 104,104' by means of mounting holes A1a, A1a ', the respective flip levers A1, A1' are pivotally connected to the respective sides of the slide plate 2 by means of respective slide plate shafts A2, A2', the respective slide plate shafts A2, A2' pass through slide plate connecting holes A1b, A1b ' on the respective flip levers A1, A1' and respective flip

lever connecting holes

2a,2a ' on the respective sides of the slide plate 2. The turning levers A1 and A1 'are provided with corresponding turning limit linkage shafts a101 and a101', the two ends of the corresponding turning limit linkage shafts a101 and a101 'penetrate through turning limit linkage shaft mounting holes A1c and A1c' on the turning levers A1 and A1 'and are located in the corresponding arc-shaped long slotted holes 103 and 103', and the corresponding turning levers A1 and A1 'are also provided with pull rod linkage parts a102 and a102', in the embodiment, as shown in fig. 5, the pull rod linkage parts a102 and a102 'are cylindrical protrusions, as shown in fig. 1,2 and 11, the pull rod linkage holes a301 and a301', a301 'corresponding to the pull rod linkage parts a102 and a102' on the corresponding turning levers A1 and A1', and A3' corresponding to the pull rod linkage parts A3 and a102 'on the common side and the standby side are provided with corresponding electromagnets, and the electromagnet linkage parts A3 and a302' are provided with corresponding electromagnet linkage holes a301 and a301 'and electromagnet linkage parts a302' and electromagnet.

As shown in fig. 1,2 and 6, the rotating levers C, C ' corresponding to the common side and the standby side in the bracket 1 are rotatably mounted on the corresponding mounting shafts 104,104' by means of rotating lever mounting holes Ca, ca ', the corresponding rotating levers C, C ' are linked with the output system 3 by means of corresponding rotating linked shafts C1, C1', both ends of the rotating linked shafts C1, C1' penetrate through the rotating linked shaft mounting holes C1a, C1a ' of the rotating levers C, C ', and the corresponding rotating levers C, C ' are further provided with indicating member linking parts C2, C2' for linking the corresponding indicating mechanisms E, E '. One end of a main spring D and one end of a main spring D 'corresponding to the common side and the standby side in the bracket 1 are arranged on the corresponding overturning limiting linkage shafts A101 and A101', and the other end of the main spring D 'are arranged on the corresponding rotating linkage shafts C1 and C1'.

As shown in fig. 1 and 2, the output system 3 includes a mounting shaft sleeve 301, the mounting shaft sleeve 301 is mounted in the mounting through hole 102 and can rotate, the output shaft 302 is mounted in the mounting shaft sleeve 301, the mounting shaft sleeve 301 can drive the output shaft 302 to rotate in the process of rotating in the mounting through hole 102, as shown in fig. 7, corresponding

linkage suspension arms

301a and 301a 'are disposed on the common side and the standby side of the mounting shaft sleeve 301, linkage slots 301a01 and 301a01' are disposed on the corresponding

linkage suspension arms

301a and 301a ', linkage limiting portions 301a0101 and 301a0101' are disposed in the linkage slots 301a01 and 301a01', and as shown in fig. 1 and 2, corresponding rotation linkage shafts C1 and C1' are disposed in the corresponding linkage slots 301a01 and 301a01 'so that the mounting shaft sleeve 301 is linked with the output shaft 302 in the process of rotating corresponding rotation levers C and C' on the common side and the standby side of the support 1.

As shown in fig. 1, the indicating mechanism E, E 'corresponding to the common side and the standby side in the bracket 1 includes indicating members E1, E1', the indicating members E1, E1 'are rotatably mounted on the corresponding mounting shafts 104,104' by using indicating member mounting holes E1a, E1a ', as shown in fig. 10a and 10b, the indicating members E1, E1' are provided with indicating touch portions E101, E101 'and indicating linkage portions E102, E102', in this embodiment, the indicating touch portions E101, E101 'are bends on the indicating members E1, E1'. The indicating touch parts E101 and E101' are correspondingly linked with indicating part linkage parts C2 and C2' arranged on the rotating levers C and C ', the indicating linkage parts E102 and E102' of the corresponding indicating mechanisms E and E ' are linked with corresponding overturning limiting linkage shafts A101 and A101', return spring connecting parts E103 and E103' are further arranged on the indicating parts E1 and E1', the indicating part return springs E2 and E2' corresponding to the common side and the standby side in the support 1 are respectively connected to the corresponding return spring connecting parts E103 and E103' at one ends, and are connected to the corresponding indicating part return spring mounting shafts 105 at the other ends, closing and opening indicating areas E104 are arranged on the indicating parts E1 and E1', and the E104' is used for indicating closing and opening conditions in the rotating process of the indicating parts E1 and E1 '.

In this embodiment, when the standby power supply is in a closed on state, the position states of the components are as follows: as shown in fig. 13, the turnover limiting linkage shaft a101' on the standby side is located at the lower end position of the arc-shaped long slot hole 103', while the turnover lever A1' is located at the maximum angle position of clockwise rotation, and the iron core B01' of the electromagnet B ' on the standby side is in a retracted state; because the turning levers A1 and A1' are linked with the sliding plate 2 at the same time, the turning limit linkage shaft A101 is positioned at the upper part of the arc-shaped long slotted hole 103, the turning lever A1 at the common side is positioned at the maximum angle position of clockwise rotation, and the iron core B01 of the electromagnet B at the common side is in an extending state.

As shown in fig. 12 and 13, the rotating lever C ' on the standby side is located at the maximum position of counterclockwise rotation thereof by the main spring D ', and the indicating member interlocking part C2' thereof is in contact with the indicating touch part E101' of the indicating member E1' and overcomes the spring force of the indicating member return spring E2' to make the indicating member E1' show the closing state; the rotating lever C on the common side is positioned at the maximum position of anticlockwise rotation under the action of the main spring D, the indicating piece linkage part C2 is not in contact with the indicating touch part E101 of the indicating piece E1, and under the spring force action of the indicating piece return spring E2, the indicating linkage part E102 is limited by the overturning limiting linkage shaft A101, so that the indicating piece E1 displays the opening state.

As shown in fig. 14, a connecting line between the turning limit linkage shaft a101 at the normal side and the turning center of the rotation linkage shaft C1 at the normal side is located above the turning center O of the rotation lever C at the normal side, a connecting line between the turning limit linkage shaft a101' at the standby side and the turning center of the rotation linkage shaft C1' at the standby side is located below the turning center O ' of the rotation lever C ' at the standby side, and a normal line a of a contact surface between the linkage limit portion 301a0101 in the linkage slotted hole 301a01 at the normal side and the rotation linkage shaft C1 at the normal side on the installation shaft sleeve 301 points to the turning center O of the rotation lever C at the normal side, in this embodiment, the strokes of the electromagnet B at the normal side and the electromagnet B ' at the standby side are longer, at this time, the turning limit linkage shaft a101 at the normal side is located at the upper top end of the arc-shaped long slotted hole 103 at the normal side, and the turning limit linkage shaft a101' at the standby side is located at the lower top end of the long arc-shaped slotted hole 103' at the standby side to realize the limit; meanwhile, the position of the common-side overturning limiting linkage shaft A101 and the position of the standby-side overturning limiting linkage shaft A101' can be limited by directly utilizing the strokes of the common-side electromagnet B and the standby-side electromagnet B ', and the specific process is that when the strokes of the common-side electromagnet B and the standby-side electromagnet B ' are designed to be relatively short, the corresponding iron core B01' and the corresponding iron core B01 cannot move after moving to the end, so that the purpose of limiting the positions of the corresponding common-side overturning limiting linkage shaft A101 and the corresponding standby-side overturning limiting linkage shaft A101' is achieved.

When the standby side power supply is switched from a closing connection state to a closing state of the common side power supply: the toggle lever 4 is rotated anticlockwise, the toggle lever 4 is linked with the sliding plate 2 and enables the sliding plate 2 to move from right to left, and the sliding plate 2 is linked with the turnover levers A1 and A1' to rotate anticlockwise simultaneously; or the electromagnet B on the common side is electrified to enable the iron core B01 to retract, the pull rod A3 is driven to be connected with the turnover lever A1 to rotate anticlockwise, and the turnover lever A1 is connected with the turnover lever A1' to rotate anticlockwise through the sliding plate 2 in the rotating process.

When the turning lever A1 rotates to the connecting line of the turning limit linkage shaft a101 and the rotation center of the rotation linkage shaft C1 passes through the rotation center O of the corresponding rotation lever C, the turning lever A1 'also rotates to the connecting line of the turning limit linkage shaft a101' and the rotation linkage shaft C1 'passes through the rotation center O' of the rotation lever C ', the main spring D on the normal side does not make the corresponding rotation lever C generate a rotational moment so as to make the corresponding rotation lever C be at the dead point position, and the corresponding main spring D' on the standby side does not make the corresponding rotation lever C generate a rotational moment so as to make the corresponding rotation lever C be at the dead point position as shown in fig. 15.

As shown in fig. 16, the turning lever A1 and the turning lever A1 'continue to rotate counterclockwise until they rotate to the right position, at this time, the connecting line between the turning centers of the turning limit linkage shaft a101 and the turning linkage shaft C1 is located below the turning center O of the turning lever C, the connecting line between the turning limit linkage shaft a101' and the turning linkage shaft C1 'is located above the turning center O' of the turning lever C, the turning lever C receives the spring force of the main spring D and receives the clockwise torque, and the turning lever C receives the spring force of the main spring D and receives the clockwise torque; the rotating lever C rotates clockwise to drive the rotating linkage shaft C1 to slide inside the linkage groove hole 301a01, the rotating lever C 'rotates clockwise to drive the rotating linkage shaft C'1 to slide inside the linkage groove hole 301a01', the rotating linkage shaft C and the rotating linkage shaft C' are linked with the mounting shaft sleeve 301 to rotate anticlockwise in the sliding process, the anticlockwise rotation of the mounting shaft sleeve 301 is linked with the output shaft 302 to output anticlockwise rotation, and therefore the standby side power source is switched off.

The mounting shaft sleeve 301 is linked with the output shaft 302 to rotate anticlockwise, so that after the standby side power supply is switched off, the connecting line of the turning limit linkage shaft A101 and the rotation center of the rotation linkage shaft C1 is still located below the rotation center of the rotation lever C, the connecting line of the turning limit linkage shaft A101 'and the rotation linkage shaft C1' is still located above the rotation center of the rotation lever C ', the rotation lever C is subjected to the spring force of the main spring D and receives clockwise torque, and the rotation lever C' is subjected to the spring force of the main spring D and receives clockwise torque; under the action of the main springs D and D ', the rotating lever C and the rotating lever C' are linked to mount the shaft sleeve 301 to rotate counterclockwise, so as to drive the output shaft 302 to rotate counterclockwise continuously, and the switching on of the power supply on the common side is realized, as shown in fig. 17 and 18.

As shown in fig. 19, when the power supply on the common side is at the closing on position, the connecting line between the rotation centers of the turnover limiting linkage shaft a101 'on the standby side and the rotation linkage shaft C1' on the standby side is located above the rotation center of the rotation lever C 'on the standby side, the connecting line between the rotation centers of the turnover limiting linkage shaft a101' on the common side and the rotation linkage shaft C1 on the common side is located below the rotation center of the rotation lever C on the common side, the normal line b of the contact surface between the linkage limiting portion 301a0101 'in the linkage slotted hole 301a01' on the standby side and the rotation linkage shaft C1 'on the standby side on the mounting shaft sleeve 301 points to the rotation center of the rotation lever C' on the standby side, in this embodiment, the turnover limiting linkage shaft a101 'on the standby side is located at the upper top end of the arc-shaped long slotted hole 103' on the standby side, and the turnover limiting linkage shaft a101 on the common side is located at the lower top end of the arc-shaped long slotted hole 103 on the common side to achieve limiting.

When the standby side power supply is in a closing state: the rotating lever C 'on the standby side is positioned at the maximum position of anticlockwise rotation under the action of the main spring D', the indicator linkage part C2 'of the rotating lever C is contacted with the indicating touch part E101' of the indicator E1', and the spring force of the indicator return spring E2' is overcome, so that the indicator E1 'is positioned at the maximum position of anticlockwise rotation, and the indicator E1' displays a closing state; meanwhile, the rotating lever C on the common side is located at the maximum position of counterclockwise rotation under the action of the main spring D, the indicating member linkage portion C2 is not in contact with the indicating touch portion E101 of the indicating member E1, and under the spring force of the indicating member return spring E2, the indicating member E1 is located at the maximum position of counterclockwise rotation, and the indicating linkage portion E102 is limited by the overturning limiting linkage shaft a101, so that the indicating member E1 displays the opening state, as shown in fig. 20.

When the side power is in the on-state frequently: the rotating lever C at the common side is positioned at the maximum position of clockwise rotation under the action of the main spring D, the indicating piece linkage part C2 of the rotating lever C is contacted with the indicating touch part E101 of the indicating piece E1, the spring force of the indicating piece return spring E2 is overcome, the indicating piece E1 is positioned at the maximum position of clockwise rotation, and the indicating piece E1 displays a closing state; meanwhile, the rotating lever C 'on the standby side is located at the maximum position of clockwise rotation under the action of the main spring D', the indicating member linkage part C2 'is not in contact with the indicating touch part E101 of the indicating member E1, and under the spring force of the indicating member return spring E2', the indicating member E1 'is located at the maximum position of clockwise rotation, and the indicating linkage part E102' is limited and limited by the overturning limiting linkage shaft a101', so that the indicating member E1' displays the opening state, as shown in fig. 21.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, those skilled in the art will appreciate that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An operating mechanism of a switchgear, characterized in that: it includes the support, support one side is the side commonly used, and the opposite side is reserve side, and the slide setting is in can make a round trip to slide between side commonly used in the support and the reserve side, the side commonly used in the slide utilizes corresponding electro-magnet of corresponding upset pull rod mechanism linkage with the reserve side, and rotatable the installing of output system one end on the support, the other end is located the support outside, side commonly used in the support and reserve side still are provided with corresponding rotatory lever and the main spring that corresponds, output system with thereby the corresponding rotatory lever of side commonly used in the support and reserve side and the corresponding main spring linkage mutually, output system is in the corresponding electro-magnet of side commonly used in the support and reserve side, upset pull rod mechanism, rotatory lever and corresponding main spring combined action down can make a round trip to rotate and realize corresponding switching-on and switching-off operation between power of side commonly used and the reserve side power, output system can be at the rotatory lever that side commonly used and reserve side correspond when the switching-on position of side commonly used and reserve side, auto-lock under main spring and the combined action of upset pull rod mechanism.

2. An operating mechanism of a switching device according to claim 1, wherein: the shifting lever is arranged on the support and can be rotatably arranged on the support, a sliding plate linkage part is arranged on the shifting lever, and the shifting lever can drive the sliding plate to slide back and forth between the common side and the standby side on the support by utilizing the sliding plate linkage part.

3. An operating mechanism of a switching device according to claim 2, wherein: an output system through hole is formed in the toggle lever and used for enabling the output system to penetrate through.

4. An operating mechanism of a switching device according to claim 1, wherein: the common side and the standby side of the support are provided with corresponding indicating mechanisms, and the corresponding rotating levers are linked with the corresponding indicating mechanisms to indicate the corresponding switching-on and switching-off conditions of the common side power supply and the standby side power supply.

5. An operating mechanism of a switching device according to claim 1, wherein: be provided with the mounting hole on the support and be used for installing output system, be located on the support the side commonly used and the reserve side of mounting hole both sides are provided with corresponding arc slotted hole, lie in on the support medial surface the mounting hole with position is provided with corresponding installation axle between the corresponding arc slotted hole, lie in on the support medial surface the mounting hole below is provided with indicator reset spring installation axle, two sides commonly used and the reserve side on the surface are located around the support outer corresponding arc slotted hole below position is provided with corresponding electro-magnet installation department, lie in on the outer front surface of support mounting hole below relevant position is equipped with toggle lever installation axle.

6. An operating mechanism of a switching device according to claim 1, wherein: the corresponding turnover pull rod mechanisms of the common side and the standby side comprise corresponding turnover levers, the corresponding turnover levers are rotatably arranged on corresponding installation shafts, the corresponding turnover levers are in pivot connection with the corresponding sides of the sliding plate through corresponding sliding plate shafts, corresponding turnover limiting linkage shafts are arranged on the corresponding turnover levers, two ends of the corresponding turnover limiting linkage shafts are located in the corresponding arc-shaped elongated slots, pull rod linkage parts are further arranged on the corresponding turnover levers, pull rod linkage holes corresponding to the pull rod linkage parts on the corresponding turnover levers are formed in the corresponding pull rods of the common side and the standby side, the corresponding pull rods are in linkage installation with the pull rod linkage parts on the corresponding turnover levers through the pull rod linkage holes, electromagnet linkage parts are further arranged on the corresponding pull rods, and the corresponding pull rods are in linkage with iron cores of the corresponding electromagnets through the electromagnet linkage parts.

7. An operating mechanism of a switching device according to claim 1, wherein: the corresponding rotating levers of the common side and the standby side in the support are rotatably arranged on the corresponding mounting shafts, the corresponding rotating levers are linked with the output system by utilizing the corresponding rotating linkage shafts, and the corresponding rotating levers are also provided with indicator piece linkage parts for linking the corresponding indicating mechanisms.

8. An operating mechanism of a switching device according to claim 1, wherein: one end of a main spring corresponding to the common side and the standby side in the bracket is arranged on the corresponding overturning limiting linkage shaft, and the other end of the main spring is arranged on the corresponding rotating linkage shaft.

9. An operating mechanism of a switching device according to claim 1, wherein: output system is including the installation axle sleeve, the installation axle suit is in can rotating in the installation through-hole, the output shaft dress is in the installation axle sleeve, the installation axle sleeve can drive in the installation through-hole internal rotation process the output shaft rotates, it is provided with corresponding linkage cantilever to lie in side commonly used and reserve side on the installation axle sleeve, be provided with the linkage slotted hole on the corresponding linkage cantilever, be provided with the spacing portion of linkage in the linkage slotted hole, corresponding rotatory universal driving shaft is located corresponding linkage slotted hole messenger the corresponding rotatory lever rotation in-process of side commonly used and reserve side links in the support installation axle sleeve and then the linkage the output shaft.

10. An operating mechanism of a switching device according to claim 4, wherein: the indicating mechanism comprises an indicating piece, the indicating piece is rotatably mounted on a corresponding mounting shaft, an indicating touch part and an indicating linkage part are arranged on the indicating piece, the indicating touch part is correspondingly linked with the indicating piece linkage part arranged on the rotating lever, the indicating linkage part of the corresponding indicating mechanism is linked with a corresponding overturning limiting linkage shaft, a reset spring connecting part is further arranged on the indicating piece, one end of a corresponding indicating piece reset spring of the common side and the standby side in the support is connected to the corresponding reset spring connecting part, the other end of the corresponding indicating piece reset spring of the common side and the standby side in the support is connected to the corresponding indicating piece reset spring mounting shaft, and an on-off indicating area arranged on the indicating piece is used for indicating the on-off state of the indicating piece in the rotating process.

11. An operating mechanism of a switching device according to claim 1 or 5, wherein: the support comprises a pair of side plates which are connected and fixed together by a plurality of support connecting shafts.

12. An operating mechanism of a switching device according to claim 1, wherein: when the power supply at the common side is at a closing connection position, a connecting line of a turning limiting linkage shaft at the standby side and a rotation center of a rotation linkage shaft at the standby side is positioned above a rotation center of a rotation lever at the standby side, a connecting line of the turning limiting linkage shaft at the common side and the rotation center of the rotation linkage shaft at the common side is positioned below the rotation center of the rotation lever at the common side, and a normal line of a contact surface of a linkage limiting part in a linkage slot hole at the standby side of the mounting sleeve and the rotation linkage shaft at the standby side points to the rotation center of the rotation lever at the standby side;

13. An operating mechanism of a switching device according to claim 12, wherein: when the corresponding overturning levers of the common side and the standby side rotate to the connecting line of the corresponding overturning limiting linkage shaft and the rotation center of the corresponding rotation linkage shaft passes through the rotation center of the corresponding rotation lever, the corresponding main springs of the common side and the standby side do not enable the corresponding rotation lever to generate rotating moment, and therefore the corresponding rotation lever is located at a dead point position.