CN215118747U - Spring operating mechanism of isolating switch - Google Patents

Spring operating mechanism of isolating switch Download PDF

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Publication number
CN215118747U
CN215118747U CN202121418991.7U CN202121418991U CN215118747U CN 215118747 U CN215118747 U CN 215118747U CN 202121418991 U CN202121418991 U CN 202121418991U CN 215118747 U CN215118747 U CN 215118747U
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switch
main switch
main
plate
swing arm
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CN202121418991.7U
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Chinese (zh)
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姚创元
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Zhuhai Shichuang Intelligent Electric Co ltd
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Zhuhai Shichuang Intelligent Electric Co ltd
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Abstract

The utility model provides an isolator spring operating device relates to the switch technology field. The mechanism includes a mechanism body, a switch assembly and a circuit breaker operating assembly. The mechanism body comprises a mechanism bottom plate. The switch assembly comprises a main switch module, an earthing switch module and a movable matching module, the movable matching module comprises a movable matching path plate, a path groove is formed in the movable matching path plate, and the main switch module and the earthing switch module are both arranged in the path groove and can slide along the path direction of the path groove. The circuit breaker operating assembly comprises a circuit breaker body, a main switch interlocking D-shaped plate and a circuit breaker interlocking plate, the main switch interlocking D-shaped plate is of a D-shaped plate structure, and the main switch module comprises a closing state and an opening state. This isolator spring operating device is through setting up circuit breaker operating assembly in order to provide the electric clearance of enough big distance, leads to the electric clearance to be punctured when preventing the overvoltage, the safety problem that leads to.

Description

Spring operating mechanism of isolating switch
Technical Field
The utility model relates to the field of switch technology, particularly, relate to an isolator spring operating device.
Background
The SF6 ring main unit is a medium voltage electric combination equipment which can be combined into a multi-loop to switch, communicate and protect the power system and takes a load switch as a core component and is air-insulated or gas-insulated. The core part of the main loop of the power supply consists of an SF6 load switch or an additional breaker and other primary auxiliary appliances. The SF6 insulating ring main unit is applied to load distribution of a power grid terminal in the power field.
At present, a coil spring design is commonly used in an operating mechanism of a load switch of an SF6 insulated ring main unit, and the design is not stable enough, so that the stability of the operating mechanism is reduced. Meanwhile, the existing SF6 insulating ring main unit does not have a circuit breaking function, cannot realize opening and closing of a circuit breaker, and is low in safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an isolator spring operating device solves the not enough of prior art, and it leads to the electrical clearance to be punctured when preventing the overvoltage through setting up the electric clearance of circuit breaker operating assembly in order to provide enough big distance, the safety problem that leads to.
The embodiment of the utility model is realized like this:
the embodiment of the application provides a disconnecting switch spring operating mechanism which comprises a mechanism body, a switch assembly and a circuit breaker operating assembly. The mechanism body comprises a mechanism bottom plate. The switch assembly comprises a main switch module, a grounding switch module and a movable matching module, wherein the movable matching module comprises a movable matching path plate, a path slot is formed in the movable matching path plate, and the main switch module and the grounding switch module are both arranged in the path slot and can slide along the path direction of the path slot. The circuit breaker operation assembly comprises a circuit breaker body, a main switch interlocking D-shaped plate and a circuit breaker interlocking plate, wherein the main switch interlocking D-shaped plate is of a D-shaped plate structure, the main switch module comprises a closing state and an opening state, and when the main switch module is in the closing state, a gap of the main switch interlocking D-shaped plate is matched with the circuit breaker interlocking plate so that the circuit breaker can normally work; when the main switch module is in a switching-off state, the excircle section of the main switch interlocking D-shaped plate and the circuit breaker interlocking plate are matched with each other, so that the circuit breaker stops working.
When the disconnecting switch spring operating mechanism is switched on in a switch assembly, the gaps of the circuit breaker interlocking plate and the main switch interlocking D-shaped plate are tightly combined, the circuit breaker interlocking plate descends, the circuit breaker can be switched on and off normally, the circuit breaker can be switched off and operated by controlling the circuit breaker, a fault circuit is cut off in time, the accident is prevented from being enlarged, and the safe operation is guaranteed. When the main switch mechanism is opened, the circuit breaker interlocking plate and the excircle of the main switch interlocking D-shaped plate are tightly combined, the circuit breaker interlocking plate rises, the circuit breaker cannot be opened and closed, the switch spring is in the opening stage at the moment, the circuit breaker does not need to work, and the service life of the circuit breaker operating assembly is guaranteed.
In some embodiments of the present invention, the main switch module includes a main switch swing arm, a main switch spring guide rod and a main switch mating shaft, the main switch spring is sleeved on the main switch spring guide rod and can extend and retract along an extending direction of the main switch spring guide rod, the main switch swing arm and the main switch spring are connected to each other to drive the main switch spring to extend and retract, and one end of the main switch swing arm and the main switch mating shaft are connected to each other;
the grounding switch module comprises a grounding transmission swing arm, a grounding switch spring guide rod and a grounding switch matching shaft, wherein the grounding switch spring is sleeved on the grounding switch spring guide rod and can stretch along the extension direction of the grounding switch spring guide rod;
the main switch mating shaft and the ground switch mating shaft are both disposed in the path slot and are slidable in an extending direction of the path slot.
In some embodiments of the present invention, the main switch swing arm includes a main swing arm unit, a main connecting shaft and a manual operating shaft, the main swing arm unit is of a frame structure, the main connecting shaft is disposed in the main swing arm unit, the manual operating shaft sequentially passes through the main switch interlocking D-shaped plate and the main swing arm unit to control the main switch interlocking D-shaped plate and the main swing arm unit to rotate, and the main switch spring guide rod and the main connecting shaft are connected to each other;
the grounding transmission swing arm comprises a grounding swing arm unit, a grounding connecting shaft and a grounding connecting lever, the grounding swing arm unit is of a frame structure, the grounding connecting shaft is arranged in the grounding swing arm unit, the grounding connecting lever sequentially penetrates through a grounding switch interlocking D-shaped plate and the grounding swing arm unit to control the grounding switch interlocking D-shaped plate and the grounding swing arm unit to rotate, and the grounding switch spring guide rod is connected with the grounding connecting shaft in an interconnecting mode.
In some embodiments of the present invention, the main switch module further includes a main switch partition plate and a main switch cam plate, the main switch cam plate and the manual operation shaft are connected to each other and can rotate along an axis direction of the manual operation shaft following the manual operation shaft, and the main switch engaging shaft is disposed on the main switch cam plate.
In some embodiments of the present invention, the main switch cam plate is provided with a first rotation groove, the main swing arm unit is provided with a main rotation post cooperating with the first rotation groove, and the main rotation post can rotate along the path extending direction of the first rotation groove
In some embodiments of the present invention, the first rotating groove is an arc-shaped groove.
In some embodiments of the present invention, the ground switch module further includes a ground switch partition plate and a ground switch cam plate, the ground switch cam plate and the ground connecting lever are connected to each other, and can rotate along an axis direction of the ground connecting lever along with the ground connecting lever, and the ground switch engaging shaft is disposed on the ground switch cam plate.
In some embodiments of the present invention, the grounding switch cam plate is provided with a second rotation groove, the grounding swing arm unit is provided with a grounding rotation post cooperating with the second rotation groove, and the grounding rotation post can rotate along the path extending direction of the second rotation groove.
The utility model discloses an in some embodiments, above-mentioned mechanism body still includes isolation mechanism front bezel and mechanism panel, and above-mentioned isolation mechanism front bezel and above-mentioned mechanism panel can dismantle the connection, and all be provided with the through-hole of mutually supporting on above-mentioned isolation mechanism front bezel and the above-mentioned mechanism panel, and above-mentioned manually operation axle and above-mentioned ground connection connecting axle are all worn to locate in above-mentioned through-hole, and above-mentioned mechanism bottom plate and above-mentioned isolation mechanism front bezel mutually support and form the holding cavity, and above-mentioned switch module sets up in above-mentioned holding cavity.
In some embodiments of the present invention, the above-mentioned mechanism body further includes a central positioning shaft, and the central positioning shaft is disposed at the middle position of the above-mentioned accommodating chamber.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
1) the installation size of this isolator spring operating device and the biggest cabinet type of market share is identical completely, and it controls hole and state indication hole and is identical completely, can directly replace former mechanism, need not make any change to sheet metal construction, when saving mechanism's cost, also can change other costs that the supplier brought.
2) This isolator spring operating device has cancelled the disc spring design of former mechanism the inside, changes the design of traditional upright spring into, when reducing the processing degree of difficulty, and the stability of product obtains further improvement.
3) By arranging the circuit breaker operating assembly to provide an electrical gap of sufficient distance, safety problems caused by the electrical gap being broken down during overvoltage are prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a spring operating mechanism of an isolating switch provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the main switch in a closing state (before opening) provided by the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a main switch during a switching-off process according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the main switch in the opening state according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of the grounding switch provided in the embodiment of the present invention during a switching-on process;
fig. 6 is a schematic diagram of a structure of the grounding switch in a closing state provided by the embodiment of the present invention
Fig. 7 is a schematic structural diagram of a circuit breaker operating assembly in a closing state of a main switch according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a circuit breaker operating assembly in a main switch opening state according to an embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a main switch cam plate according to an embodiment of the present invention;
fig. 10 is a cross-sectional view of a spring operating mechanism of a disconnecting switch according to an embodiment of the present invention.
Icon: 100-isolator spring operated mechanism; 1-a mechanism bottom plate; 2-isolating the mechanism front plate; 3-a mechanism panel; 4-main switch partition; 5-a grounded separator; 6-main switch cam plate; 61-a first rotating groove; 62-a primary rotation post; 7-main switch swing arm; 8-a manually operated shaft; 9-a grounding crank arm; 10-a ground transmission swing arm; 12-a central positioning shaft; 131-main switch spring; 132-a ground switch spring; 14-a dynamic matching path plate; 15-main switch spring guide bar; 16-ground switch spring guide bar; 17-main switch interlock D-board; 18-circuit breaker interlock plate; 19-a main connecting shaft; 20-a grounded connecting shaft; 21-a ground switch cam plate; 211-second rotation groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inner", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
Referring to fig. 1 to 10, fig. 1 is a schematic structural diagram of a spring operating mechanism 100 of an isolator switch according to the present embodiment. An embodiment of the utility model provides an isolator spring operating device 100, including mechanism body, switch module and circuit breaker operating assembly. The mechanism body comprises a mechanism bottom plate 1. The switch assembly comprises a main switch module, an earthing switch module and a movable matching module, the movable matching module comprises a movable matching path plate 14, a path groove is formed in the movable matching path plate 14, and the main switch module and the earthing switch module are both arranged in the path groove and can slide along the path direction of the path groove. The circuit breaker operating assembly comprises a circuit breaker body, a main switch interlocking D-shaped plate 17 and a circuit breaker interlocking plate 18, wherein the main switch interlocking D-shaped plate 17 is of a D-shaped plate structure, a main switch module comprises a closing state and an opening state, and when the main switch module is in the closing state, a gap of the main switch interlocking D-shaped plate 17 is matched with the circuit breaker interlocking plate 18, so that the circuit breaker can normally work; when the main switch module is in a switching-off state, the excircle section of the main switch interlocking D-shaped plate 17 and the circuit breaker interlocking plate 18 are matched with each other, so that the circuit breaker stops working.
When the disconnecting switch spring operating mechanism 100 is switched on in a switch assembly, the circuit breaker interlocking plate 18 and the main switch interlocking D-shaped plate 17 are tightly combined through gaps, the circuit breaker interlocking plate 18 descends, the circuit breaker can be switched on and off normally, the circuit breaker can be switched off through control, a fault circuit can be cut off in time, the accident is prevented from being enlarged, and safe operation is guaranteed. When the main switch mechanism is opened, the circuit breaker interlocking plate 18 and the excircle of the main switch interlocking D-shaped plate 17 are tightly combined, the circuit breaker interlocking plate 18 rises, the circuit breaker cannot be opened and closed, the switch spring is in the opening and closing stage at the moment, the circuit breaker does not need to work, and the service life of the circuit breaker operating assembly is guaranteed.
In this embodiment, the main switch module includes a main switch swing arm 7, a main switch spring 131 guide rod and a main switch mating shaft, the main switch spring 131 is sleeved on the main switch spring 131 guide rod and can extend and retract along the extension direction of the main switch spring 131 guide rod, the main switch swing arm and the main switch spring 131 are connected with each other to drive the main switch spring 131 to extend and retract, and one end of the main switch swing arm is connected with the main switch mating shaft;
the grounding switch module comprises a grounding transmission swing arm 10, a grounding switch spring 132 guide rod and a grounding switch matching shaft, wherein the grounding switch spring 132 is sleeved on the grounding switch spring 132 guide rod and can stretch along the extension direction of the grounding switch spring 132 guide rod, the grounding movable switch swing arm and the grounding switch spring 132 are connected with each other to drive the grounding switch spring 132 to stretch, and one end of the grounding movable switch swing arm is connected with the grounding switch matching shaft;
the main switch matching shaft and the grounding switch matching shaft are both arranged in the path slot and can slide along the extending direction of the path slot.
It should be noted that, the isolating switch spring operating mechanism 100 eliminates the design of the coil spring in the original mechanism, and changes the design into the traditional vertical spring design, so that the processing difficulty is reduced, and the stability of the product is further improved.
Referring to fig. 1 to 8, the main switch swing arm 7 includes a main swing arm unit, a main connecting shaft 19 and a manual operating shaft 8, the main swing arm unit is of a frame structure, the main connecting shaft 19 is disposed in the main swing arm unit, the manual operating shaft 8 sequentially passes through the main switch interlocking D-shaped plate 17 and the main swing arm unit to control the main switch interlocking D-shaped plate 17 and the main swing arm unit to rotate, and a guide rod of a main switch spring 131 is connected with the main connecting shaft 19;
the grounding transmission swing arm 10 comprises a grounding swing arm unit, a grounding connecting shaft 20 and a grounding connecting lever 9, the grounding swing arm unit is of a frame structure, the grounding connecting shaft 20 is arranged in the grounding swing arm unit, the grounding connecting lever 9 sequentially penetrates through the grounding switch interlocking D-shaped plate and the grounding swing arm unit to control the grounding switch interlocking D-shaped plate and the grounding swing arm unit to rotate, and the grounding switch spring 132 guide rod and the grounding connecting shaft 20 are mutually connected.
The main switch module further comprises a main switch partition plate 4 and a main switch cam plate 6, the main switch cam plate 6 is connected with a manual operation shaft 8, the manual operation shaft 8 can be rotated along the axis direction of the manual operation shaft 8 along with the main switch partition plate, and a main switch matching shaft is arranged on the main switch cam plate 6.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a main switch cam plate 6 according to an embodiment of the present invention. The main switch cam plate 6 is provided with a first rotating groove 61, the main swing arm unit is provided with a main rotating column 62 which is matched with the first rotating groove 61, and the main rotating column 62 can rotate along the path extending direction of the first rotating groove 61.
In the present embodiment, the first rotating groove 61 is an arc-shaped groove.
The earthing switch module further comprises an earthing switch partition plate and an earthing switch cam plate 21, the earthing switch cam plate 21 and the earthing crank arm 9 are connected with each other and can rotate along the axis direction of the earthing crank arm 9 along with the earthing crank arm 9, and an earthing switch matching shaft is arranged on the earthing switch cam plate 21.
The grounding switch cam plate 21 is provided with a second rotating groove 211, and the grounding swing arm unit is provided with a grounding rotating column which is matched with the second rotating groove 211, and the grounding rotating column can rotate along the path extending direction of the second rotating groove 211.
Referring to fig. 1 again, the mechanism body further includes an isolation mechanism front plate 2 and a mechanism panel 3, the isolation mechanism front plate 2 and the mechanism panel 3 are detachably connected, through holes matched with each other are formed in the isolation mechanism front plate 2 and the mechanism panel 3, the manual operating shaft 8 and the grounding connecting shaft 20 are arranged in the through holes in a penetrating manner, the mechanism bottom plate 1 and the isolation mechanism front plate 2 are matched with each other to form a containing cavity, and the switch assembly is arranged in the containing cavity.
In this embodiment, the mechanism body further includes a central positioning shaft 12, and the central positioning shaft 12 is disposed in a middle position of the accommodating chamber.
Referring to fig. 2, in the main switch closing state (before opening), the main switch spring 131 is in the energy releasing state, the angle between the main switch swing arm 7 and the vertical direction is approximately 30 degrees, the angle between the main switch cam and the vertical direction is defined as 30 degrees, due to the energy releasing of the spring, the main switch on the main switch cam is clamped to the position No. 1 of the circular arc hole of the mechanism bottom plate 1 in a matching mode through the shaft, the main rotating column 62 on the main switch swing arm 7 is clamped to the position No. 2 of the main switch partition plate 4, the position of the movable matching path plate 14 at the moment is defined as 90 degrees, and the whole mechanism is kept forbidden.
Referring to fig. 3, in the main switch opening process, the manual operating shaft 8 is clockwise operated until the main switch cam and the main spring guide rod are rotated to be parallel (maximum compression energy), and the main switch cam and the main spring guide rod continue to rotate, when the main switch cam and the main spring guide rod cross over the maximum point of the spring energy, the spring rapidly releases the energy to push the main switch swing arm 7 to continue to rotate clockwise, and then the movable matching path plate 14 is driven to perform opening operation (90 degrees to 45 degrees movement).
Referring to fig. 4, the main switch is in the open state: and then, the opening action is carried out, due to the limiting effect of the arc-shaped hole of the mechanism bottom plate 1, when the main switch swing arm 7 moves to the position No. 3, the main switch swing arm is propped against the position and keeps static, the opening is finished, and the position of the movable matching path plate 14 at the moment is 45 degrees.
Referring to fig. 5, the closing process of the grounding switch: anticlockwise operation ground connection turning arm 9, it is rotatory then to drive ground connection turning arm 9, when rotatory ground connection turning arm 9 and ground spring guide bar are parallel (the biggest compression spring energy), continue rotatory, when crossing the biggest point of spring energy, the spring releases the energy rapidly, promote ground connection turning arm 9 and continue rotatory, because ground connection turning post of ground connection turning arm 9 is the card at ground connection transmission swing arm 10, drive ground connection transmission swing arm 10 forward rotatory then, ground connection transmission swing arm 10 continues to drive the dynamic matching path board 14 and moves from 45 degrees toward 0 degrees.
Referring to fig. 6, the grounding switch is turned on: along with the further rotation of the grounding transmission swing arm 10, as the corresponding arc-shaped hole is formed in the mechanism bottom plate 1, until the grounding switch matching shaft of the grounding transmission swing arm 10 is directly clamped to the tail part of the arc-shaped hole of the mechanism bottom plate 1, the static state is kept, the closing action of the grounding switch is completed, and the position of the movable matching at the moment is 0 degree.
After that, the opening action of the grounding switch and the closing action of the main switch are reciprocal to the above process.
Referring to fig. 7 and 8, in the disconnecting switch spring operating mechanism 100, when the switch assembly is switched on, the breaker interlocking plate 18 is tightly combined with the notch of the main switch interlocking D-shaped plate 17, the breaker interlocking plate 18 descends, the breaker can be normally switched on and off, and at this time, the breaker can be controlled to perform a breaking operation and a fault circuit can be timely cut off, so that an accident is prevented from being expanded, and safe operation is guaranteed. When the main switch mechanism is opened, the circuit breaker interlocking plate 18 and the excircle of the main switch interlocking D-shaped plate 17 are tightly combined, the circuit breaker interlocking plate 18 rises, the circuit breaker cannot be opened and closed, the switch spring is in the opening and closing stage at the moment, the circuit breaker does not need to work, and the service life of the circuit breaker operating assembly is guaranteed.
To sum up, embodiments of the present invention provide an isolator spring operating mechanism 100. The mechanism includes a mechanism body, a switch assembly and a circuit breaker operating assembly. The mechanism body comprises a mechanism bottom plate 1. The switch assembly comprises a main switch module, an earthing switch module and a movable matching module, the movable matching module comprises a movable matching path plate 14, a path groove is formed in the movable matching path plate 14, and the main switch module and the earthing switch module are both arranged in the path groove and can slide along the path direction of the path groove. The circuit breaker operating assembly comprises a circuit breaker body, a main switch interlocking D-shaped plate 17 and a circuit breaker interlocking plate 18, wherein the main switch interlocking D-shaped plate 17 is of a D-shaped plate structure, a main switch module comprises a closing state and an opening state, and when the main switch module is in the closing state, a gap of the main switch interlocking D-shaped plate 17 is matched with the circuit breaker interlocking plate 18, so that the circuit breaker can normally work; when the main switch module is in a switching-off state, the excircle section of the main switch interlocking D-shaped plate 17 and the circuit breaker interlocking plate 18 are matched with each other, so that the circuit breaker stops working. When the disconnecting switch spring operating mechanism 100 is switched on in a switch assembly, the circuit breaker interlocking plate 18 and the main switch interlocking D-shaped plate 17 are tightly combined through gaps, the circuit breaker interlocking plate 18 descends, the circuit breaker can be switched on and off normally, the circuit breaker can be switched off through control, a fault circuit can be cut off in time, the accident is prevented from being enlarged, and safe operation is guaranteed. When the main switch mechanism is opened, the circuit breaker interlocking plate 18 and the excircle of the main switch interlocking D-shaped plate 17 are tightly combined, the circuit breaker interlocking plate 18 rises, the circuit breaker cannot be opened and closed, the switch spring is in the opening and closing stage at the moment, the circuit breaker does not need to work, and the service life of the circuit breaker operating assembly is guaranteed.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A spring operated mechanism for a disconnector, comprising:
a mechanism body including a mechanism base plate;
the switch assembly comprises a main switch module, an earthing switch module and a movable matching module, wherein the movable matching module comprises a movable matching path plate, a path slot is formed in the movable matching path plate, and the main switch module and the earthing switch module are both arranged in the path slot and can slide along the path direction of the path slot;
the circuit breaker operation assembly comprises a circuit breaker body, a main switch interlocking D-shaped plate and a circuit breaker interlocking plate, wherein the main switch interlocking D-shaped plate is of a D-shaped plate structure, the main switch module comprises a switching-on state and a switching-off state, and when the main switch module is in the switching-on state, a gap of the main switch interlocking D-shaped plate and the circuit breaker interlocking plate are matched with each other so that the circuit breaker can normally work; when the main switch module is in a switching-off state, the excircle section of the main switch interlocking D-shaped plate and the circuit breaker interlocking plate are matched with each other, so that the circuit breaker stops working.
2. The spring operating mechanism of the isolation switch according to claim 1, wherein the main switch module comprises a main switch swing arm, a main switch spring guide rod and a main switch matching shaft, the main switch spring is sleeved on the main switch spring guide rod and can extend and retract along the extension direction of the main switch spring guide rod, the main switch swing arm and the main switch spring are connected with each other to drive the main switch spring to extend and retract, and one end of the main switch swing arm is connected with the main switch matching shaft;
the grounding switch module comprises a grounding transmission swing arm, a grounding switch spring guide rod and a grounding switch matching shaft, the grounding switch spring is sleeved on the grounding switch spring guide rod and can stretch along the extending direction of the grounding switch spring guide rod, the grounding movable switch swing arm and the grounding switch spring are connected with each other to drive the grounding switch spring to stretch, and one end of the grounding movable switch swing arm is connected with the grounding switch matching shaft;
the main switch matching shaft and the grounding switch matching shaft are both arranged in the path slot and can slide along the extending direction of the path slot.
3. The isolating switch spring operating mechanism according to claim 2, wherein the main switch swing arm comprises a main swing arm unit, a main connecting shaft and a manual operating shaft, the main swing arm unit is of a frame structure, the main connecting shaft is arranged in the main swing arm unit, the manual operating shaft sequentially penetrates through the main switch interlocking D-shaped plate and the main swing arm unit to control the main switch interlocking D-shaped plate and the main swing arm unit to rotate, and the main switch spring guide rod and the main connecting shaft are connected with each other;
ground connection transmission swing arm includes ground connection swing arm unit, ground connection connecting axle and ground connection turning arm, ground connection swing arm unit is frame construction, the ground connection connecting axle set up in the ground connection swing arm unit, the ground connection turning arm pass ground connection in proper order and open the relevant lock D word board with the ground connection swing arm unit is in order to control ground connection switch interlocking D word board with the ground connection swing arm unit rotates, ground connection switch spring guide bar with ground connection connecting axle interconnect.
4. The spring-operated mechanism according to claim 3, wherein the main switch module further includes a main switch partition plate and a main switch cam plate, the main switch cam plate and the manual operation shaft are connected to each other and can rotate in an axial direction of the manual operation shaft following the manual operation shaft, and the main switch engagement shaft is provided on the main switch cam plate.
5. The spring-operated mechanism according to claim 4, wherein a first rotation groove is provided on the main switch cam plate, and a main rotation column that is engaged with the first rotation groove is provided on the main swing arm unit, and the main rotation column is rotatable in a path extending direction of the first rotation groove.
6. The isolator spring operating mechanism of claim 5, wherein the first rotational slot is an arcuate slot.
7. The spring-operated mechanism of claim 3, wherein the ground switch module further comprises a ground switch partition plate and a ground switch cam plate, the ground switch cam plate and the ground lever are connected to each other and can rotate along an axial direction of the ground lever along with the ground lever, and the ground switch engagement shaft is disposed on the ground switch cam plate.
8. The spring-operated mechanism of claim 7, wherein the grounding switch cam plate is provided with a second rotating groove, and the grounding swing arm unit is provided with a grounding rotating column which is matched with the second rotating groove, and the grounding rotating column can rotate along the path extending direction of the second rotating groove.
9. The isolating switch spring operating mechanism according to claim 3, wherein the mechanism body further comprises an isolating mechanism front plate and a mechanism panel, the isolating mechanism front plate and the mechanism panel are detachably connected, through holes matched with each other are formed in the isolating mechanism front plate and the mechanism panel, the manual operating shaft and the grounding connecting shaft are arranged in the through holes in a penetrating manner, an accommodating cavity is formed by matching the mechanism bottom plate and the isolating mechanism front plate, and the switch assembly is arranged in the accommodating cavity.
10. The spring-operated mechanism of claim 9, wherein said mechanism body further comprises a central positioning shaft disposed at a central location of said housing chamber.
CN202121418991.7U 2021-06-23 2021-06-23 Spring operating mechanism of isolating switch Active CN215118747U (en)

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Application Number Priority Date Filing Date Title
CN202121418991.7U CN215118747U (en) 2021-06-23 2021-06-23 Spring operating mechanism of isolating switch

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Application Number Priority Date Filing Date Title
CN202121418991.7U CN215118747U (en) 2021-06-23 2021-06-23 Spring operating mechanism of isolating switch

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Publication Number Publication Date
CN215118747U true CN215118747U (en) 2021-12-10

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CN202121418991.7U Active CN215118747U (en) 2021-06-23 2021-06-23 Spring operating mechanism of isolating switch

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