CN218849355U - Mechanism for preventing secondary closing - Google Patents
Mechanism for preventing secondary closing Download PDFInfo
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- CN218849355U CN218849355U CN202222547076.9U CN202222547076U CN218849355U CN 218849355 U CN218849355 U CN 218849355U CN 202222547076 U CN202222547076 U CN 202222547076U CN 218849355 U CN218849355 U CN 218849355U
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- energy storage
- closing
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- crank arm
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Abstract
The utility model discloses a prevent secondary combined floodgate mechanism, link plate and dropout turning arm on the energy storage, the link plate is connected with energy storage turning arm free end and energy storage spring respectively on the energy storage, and the dropout turning arm sets up in closing operation axle of closing device, and energy storage spring resets by tensile state release energy during closing state, and the link plate offsets with the dropout turning arm on the energy storage, the utility model discloses a link plate and dropout turning arm are energy storage device and separating brake trip gear's structure itself on the energy storage, prevent that secondary closing device does not need the independent design structure to prevent, only rely on energy storage device and separating brake trip gear's structure and the motion position of itself to carry out the restriction of each other, realize can only allowing the two one of dropout turning arm and energy storage spring to lead to in the specific within range, rely on the mechanism design of this kind of restriction of each other, make the structure simpler, stability is higher, and the preparation is easier.
Description
Technical Field
The utility model belongs to the load switch field relates to a prevent secondary combined floodgate mechanism.
Background
The load switch cabinet has the function of breaking a circuit in a power distribution system, and for an operating mechanism, under the normal working state of the load switch closing, if secondary closing is continued, the state of the whole load switch is influenced, and the mechanism is damaged, so that a structure for forbidding secondary closing in the closing state is required to be arranged.
The traditional secondary switching-on prevention structure of the load switch cabinet needs to be provided with parts independently, is complex in structure and cannot be prevented stably and reliably.
Disclosure of Invention
The utility model discloses an overcome prior art not enough, provide a prevent secondary combined floodgate mechanism.
In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a prevent secondary combined floodgate mechanism, includes link plate and dropout turning arm on the energy storage, the link plate on the energy storage respectively with energy memory's energy storage turning arm free end and energy storage spring coupling, the dropout turning arm sets up in closing operation axle of closing device, energy storage spring resets by tensile state and releases the ability during closing state, link plate and dropout turning arm offset on the energy storage.
Further, energy storage device still includes energy storage axle and energy storage pressure spring subassembly, and energy storage pressure spring subassembly still includes link plate under the energy storage, and the energy storage turning arm sets up in the energy storage axle, and link plate and energy storage link plate are connected under the energy storage respectively with energy storage upper and lower end on the energy storage spring, and link plate and frame are connected under the energy storage.
Furthermore, the tripping crank arm is connected with a switching-on/off crank arm of the closing device, the tripping crank arm and the switching-on/off crank arm rotate synchronously, a switching-on/off transmission rod is fixedly arranged on the switching-on/off crank arm, and the switching-on/off transmission rod is linked with the main shaft device.
Furthermore, the tripping crank arm comprises a second division plate, the second division plate is fixedly arranged on a closing operation shaft of the closing device, and the second division plate comprises a first free end.
Further, when the switch is in a switch-on state, the first free end of the second split plate is abutted to the energy storage upper hanging plate.
Further, the first free end is set as the top end of the second split plate.
Further, the first free end is provided with an arc surface.
Furthermore, the second plywood still includes the second free end, and first free end and second free end are the top of second plywood respectively.
Further, in a closing state, the second free end abuts against the trip retaining device.
Further, the second free end is provided with an arc surface.
To sum up, the utility model discloses an useful part lies in:
the utility model discloses a link plate and dropout connecting lever are the structure of energy memory and separating brake trip gear itself on the energy storage, prevent that secondary closing device from not needing independent project organization to prevent, only rely on the structure and the motion position of energy memory and separating brake trip gear itself to restrict mutually, realize can only allow the two logical one of dropout connecting lever and energy storage spring in specific within range, rely on the mechanism design of this kind of restriction of mutually, make the structure simpler, stability is higher, it is easier to make.
Drawings
Fig. 1 is the utility model discloses prevent secondary combined floodgate mechanism sketch map one.
Fig. 2 is the schematic diagram of the second closing prevention mechanism of the present invention.
Fig. 3 is a schematic view of a tripping crank arm according to an embodiment of the present invention.
Fig. 4 is the identification in the second drawing of the second tripping crank arm schematic diagram of the embodiment of the utility model: the energy storage device comprises a switching-on/off crank arm 22, a tripping crank arm 29, a first division plate 291, a second division plate 292, a first free end 293, a second free end 294, an energy storage shaft 50, an energy storage crank arm 51, an energy storage upper hanging plate 521, an energy storage spring 522, an energy storage lower hanging plate 523 and a double cam 53.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
In the embodiments of the present invention, all directional indicators (such as up, down, left, right, front, rear, horizontal, vertical \8230;) are used only to explain the relative positional relationship between the components in a specific posture, the motion situation, etc., and if the specific posture is changed, the directional indicator is changed accordingly.
Because of reasons such as installation error, the parallel relation that the embodiment of the present invention indicates may actually be the approximate parallel relation, and the perpendicular relation may actually be the approximate perpendicular relation.
The first embodiment is as follows:
as shown in fig. 1-3, a mechanism for preventing secondary closing comprises an energy storage upper hanging plate 521 and a tripping connecting lever 29, wherein the energy storage upper hanging plate 521 is respectively connected with a free end of the energy storage connecting lever 51 and an energy storage spring 522, the energy storage spring 522 is reset from a stretching state to release energy in a closing state, and the energy storage upper hanging plate 521 abuts against the tripping connecting lever 29.
The energy storage device comprises an energy storage shaft 50, an energy storage connecting lever 51 and an energy storage pressure spring assembly, the energy storage shaft 50 is connected with the frame, the energy storage pressure spring assembly comprises an energy storage upper hanging plate 521, an energy storage spring 522 and an energy storage lower hanging plate 523, the upper end and the lower end of the energy storage spring 522 are fixedly connected with the energy storage upper hanging plate 521 and the energy storage lower hanging plate 523 respectively, the energy storage upper hanging plate 521 is connected with the free end of the energy storage connecting lever 51, the energy storage lower hanging plate 523 is connected with the frame, the energy storage lower hanging plate 523 is used as a fixed point, the energy storage connecting lever 51 drives the energy storage spring 522 to stretch and store energy through the energy storage upper hanging plate 521, the energy storage connecting lever 51 is contracted and release energy, and the energy storage connecting lever 51 is driven to rotate continuously and pass through a transmission mechanism to drive the switching-on device.
The closing device comprises a closing operation shaft 21 and a switching-on and switching-off driving mechanism, the closing operation shaft 21 is connected with the rack, the switching-on and switching-off driving mechanism comprises a switching-on and switching-off crank arm (not shown), the switching-on and switching-off crank arm is arranged on the closing operation shaft 21, the switching-on and switching-off crank arm is connected with a tripping crank arm 29 of a switching-off tripping device of the three-station mechanism, and the switching-on and switching-off crank arm and the tripping crank arm 29 run synchronously.
In this embodiment, the trip lever 29 includes a first engaging plate 291 and a second engaging plate 292, the first engaging plate 291 and the second engaging plate 292 are respectively and fixedly disposed on the closing operation shaft 21, the first engaging plate 291 and the second engaging plate 292 are connected by a separating and combining transmission pin 28, the trip lever 29 is configured as a welding member in this embodiment, the first engaging plate 291 and the second engaging plate 292 are welded by the separating and combining transmission pin 28, and the separating and combining transmission pin 28 is engaged with an upper pressure spring head of the trip pressure spring.
The second switch board 292 includes a first free end 293 and a second free end 294, the second free end 294 is located below a trip pin (not shown) and abuts against the trip pin in a switch-on state, the first free end 293 abuts against the energy storage upper hanging board 521 to limit movement of the energy storage upper hanging board 521, and a switch-on command after next switch-off is waited for.
In the implementation process of the device for preventing secondary closing, the energy storage spring 52 drives the energy storage to pass through a dead point through the energy storage action, the energy storage spring 52 retracts to generate pulling force, the double cam 53 is driven by the energy storage shaft 50 to push the tripping crank arm 29 to a closing state, at the moment, the spring force of the energy storage spring 52 is completely released and shrinks to a shortest state, at the moment, the energy storage upper hanging plate 521 abuts against the first free end 293 of the second split plate 292, further the energy storage spring 52 is prevented from further acting, and therefore the function of preventing secondary closing is achieved.
In this embodiment, the energy storage upper link plate 521 and the tripping connecting lever 29 are both the structures of the energy storage device and the opening tripping device, so that the secondary closing device is prevented without independently designing a structure, and only the structures and the moving positions of the energy storage device and the opening tripping device are mutually limited, so that only one of the tripping connecting lever 29 and the energy storage spring 52 can be allowed to pass through in a specific range, and the structure is simpler, the stability is higher, and the manufacture is easier.
The tripping pressure spring in this embodiment adopts a structure, which is not described herein.
The second embodiment:
as shown in fig. 3 to 4, the present embodiment is different from the first embodiment in that the trip lever 29 is a welding member, and in the present embodiment, the trip lever 29 is a rivet member.
The tripping crank arm 29 comprises a first engaging plate 291 and a second engaging plate 292, the first engaging plate 291 and the second engaging plate 292 are riveted through a plurality of engaging and disengaging transmission pins 28, and one group of engaging and disengaging transmission pins 28 is matched with the upper pressure spring head of the tripping pressure spring 37.
The parts of the tripping crank arm 29 can be processed in advance and can be directly used after riveting without further processing.
In other embodiments, the opening and closing crank arm 22 and the tripping crank arm 29 can be integrally formed, the opening and closing crank arm 22 is made of injection molding parts and can be used without secondary processing, compared with a traditional cast steel structure, the requirement of rust prevention, corrosion resistance and the like is enhanced without special treatment, and the tripping crank arm 29 can be made of riveting parts.
In other embodiments, the closing lever arm 54, the first pin 541, and the second pin 542 may be formed as an integrated structure.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a prevent secondary combined floodgate mechanism which characterized in that: link plate and dropout connecting lever on the energy storage, the link plate is connected with energy storage connecting lever free end and energy storage spring of energy memory respectively on the energy storage, and the dropout connecting lever sets up in closing operation axle of closing device, and energy storage spring resets by tensile state and releases the ability during closing state, and the link plate offsets with the dropout connecting lever on the energy storage.
2. The mechanism of claim 1, wherein the mechanism further comprises: the energy storage device further comprises an energy storage shaft and an energy storage pressure spring assembly, the energy storage pressure spring assembly further comprises an energy storage lower hanging plate, the energy storage connecting lever is arranged on the energy storage shaft, the upper end and the lower end of the energy storage spring are respectively connected with the energy storage upper hanging plate and the energy storage lower hanging plate, and the energy storage lower hanging plate is connected with the rack.
3. The mechanism of claim 1, wherein the mechanism further comprises: the tripping crank arm is connected with the opening and closing crank arm of the closing device, the tripping crank arm and the opening and closing crank arm rotate synchronously, the opening and closing crank arm is fixedly provided with an opening and closing transmission rod, and the opening and closing transmission rod is linked with the main shaft device.
4. The mechanism of claim 1, wherein the mechanism further comprises: the tripping crank arm comprises a second division plate, the second division plate is fixedly arranged on a closing operation shaft of the closing device, and the second division plate comprises a first free end.
5. The mechanism of claim 4, wherein the mechanism further comprises: and when the switch is in a switch-on state, the first free end of the second division plate is abutted against the energy storage upper hanging plate.
6. The mechanism of claim 4, wherein the mechanism further comprises: the first free end is set as the top end of the second split plate.
7. The mechanism of claim 4, wherein the mechanism further comprises: the first free end is provided with an arc surface.
8. The mechanism of claim 4, wherein the mechanism further comprises: the second plywood still includes the second free end, and first free end and second free end are the top of second plywood respectively.
9. The mechanism of claim 8, wherein the mechanism further comprises: and when in a closing state, the second free end is abutted against the tripping retaining device.
10. The mechanism of claim 8, wherein the mechanism further comprises: the second free end is provided with an arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222547076.9U CN218849355U (en) | 2022-09-26 | 2022-09-26 | Mechanism for preventing secondary closing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222547076.9U CN218849355U (en) | 2022-09-26 | 2022-09-26 | Mechanism for preventing secondary closing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218849355U true CN218849355U (en) | 2023-04-11 |
Family
ID=87294814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222547076.9U Active CN218849355U (en) | 2022-09-26 | 2022-09-26 | Mechanism for preventing secondary closing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218849355U (en) |
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2022
- 2022-09-26 CN CN202222547076.9U patent/CN218849355U/en active Active
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