CN211578678U - Operating mechanism of inflating cabinet - Google Patents
Operating mechanism of inflating cabinet Download PDFInfo
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- CN211578678U CN211578678U CN201922450396.0U CN201922450396U CN211578678U CN 211578678 U CN211578678 U CN 211578678U CN 201922450396 U CN201922450396 U CN 201922450396U CN 211578678 U CN211578678 U CN 211578678U
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Abstract
The utility model discloses an aerify cabinet operating device, aerify cabinet operating device includes: the interlocking device comprises a signal input interlocking crank arm, a grounding operation shaft, a grounding operation hole, an interlocking device, a closing operation hole baffle, a closing operation shaft, a closing and opening action crank arm 7, an interlocking device upper and lower interlocking piece, an interlocking device lower door plate interlocking piece, an interlocking device output interlocking piece, a reset mechanism and an interlocking device left and right interlocking piece. The utility model provides an aerify cabinet operating device, security and reliability that can improve equipment. The utility model discloses pass through the planar motion mode of multilayer two-dimensional with three-dimensional complicated transmission interlocking mode, the compression is in a flat space, and two-layer splint around the rethread encapsulate all middle transmission interlocking pieces in the middle of two-layer splint to leave signal input interface and output interface, form the modularization, occupation space is little, has still increased the holistic protective capacities of interlocking piece simultaneously.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, a aerify cabinet is related to, especially relate to an aerify cabinet operating device.
Background
The premise of reliability of power supply is that the power supply equipment must be capable of ensuring safe operation, so that the requirements of all power equipment on five-prevention interlocking must be met. The locking function of the error-preventing interlocking device is mandatory, and after the interlocking device is installed, the operation can be guaranteed to be carried out according to the operation sequence specified by design, otherwise, the operation cannot be carried out, so that the misoperation is effectively prevented. According to the national standard GB3906, the so-called five-prevention method is as follows: 1. the isolating switch is prevented from being switched on and off under load; 2. the circuit breaker and the load switch are prevented from being switched on and off by mistake; 3. preventing the belt from engaging a circuit breaker or load switch; 4. the circuit breaker or the load switch is prevented from being mistakenly connected in a live state; 5. prevent the wrong entering into the electrified interval. If the reliability of the interlocking device of the switch cabinet is insufficient, the personal safety of an operator is influenced, and the safety is not allowed.
The technical scheme of five-prevention interlocking of the conventional inflatable cabinet is that a single part is assembled with a mechanism in sequence, the motion of the whole part shuttles into the mechanism in a three-dimensional motion route, and the functional motion of an interlocking device can be verified only after all parts are installed. When a small local change in the mechanism affects the movement path of the interlocking, a design change may occur in a single interlocking member, so that the action process of the whole set of interlocking is changed, and further, the whole set of interlocking device fails, and the reliability and the consistency are poor.
The existing five-prevention interlocking device has the following defects: a. the three-dimensional action circuit is complicated, and moves among all action parts of the mechanism in a shuttling mode, the action interlocking function exists in an intermediate link in a crossing mode, the complexity of a transmission process is increased, interference is easy to exist on a transmission circuit and cannot be found, and particularly, the action interlocking function is easy to occur under the condition that local parts of the mechanism are newly added or improved. b. The assembly efficiency is low, the interlocking pieces are assembled in sequence, all construction is completed on the mechanism, and due to the relation of a three-dimensional transmission line, certain installation positions are buried inside the mechanism, so that the installation is narrow and the construction difficulty is high. c. The whole transmission link is exposed, and the effective protection of the whole intermediate transmission link and the examination and verification independent of the mechanism are lacked, so the reliability and the consistency are poor.
In view of the above, there is a need to design a new inflatable cabinet structure to overcome the above-mentioned drawbacks of the existing inflatable cabinet structure.
SUMMERY OF THE UTILITY MODEL
The utility model provides an aerify cabinet operating device can improve equipment's security and reliability.
For solving the technical problem, according to the utility model discloses an aspect adopts following technical scheme:
an inflatable cabinet operating mechanism, comprising: the signal input interlocking crank arm, the grounding operation shaft, the grounding operation hole, the interlocking device, the closing operation hole baffle, the closing operation shaft and the closing and opening action crank arm; the interlocking device comprises an interlocking device upper interlocking piece, an interlocking device lower door plate interlocking piece, an interlocking device output interlocking piece, a reset mechanism and an interlocking device left interlocking piece and an interlocking device right interlocking piece;
the closing operation shaft is connected with a closing and opening action connecting lever, and the signal of the closing and opening action connecting lever is input into an interlocking connecting lever;
the signal input interlocking crank arm is connected with the upper interlocking piece and the lower interlocking piece of the interlocking device, and the rotation of the signal input interlocking crank arm can drive the upper interlocking piece and the lower interlocking piece of the interlocking device to move up and down along the set guide groove;
the upper interlocking piece and the lower interlocking piece of the interlocking device are provided with grounding operation holes; the grounding operation hole is arranged at one end of the grounding operation shaft;
when the upper interlocking piece and the lower interlocking piece of the interlocking device are in a switch-on state, the upper interlocking piece and the lower interlocking piece of the interlocking device can shield the grounding operation hole, so that the grounding switch is prevented from being mistakenly switched on under the condition of electrification;
when the upper interlocking piece and the lower interlocking piece of the interlocking device are in a switch-off state, the upper interlocking piece and the lower interlocking piece of the interlocking device can be exposed out of the grounding operation hole and can be operated to be grounded;
the interlocking device comprises an interlocking device left interlocking piece, an interlocking device right interlocking piece, a resetting mechanism and a locking device output interlocking piece, wherein the interlocking device left interlocking piece and the interlocking device right interlocking piece are connected with the resetting mechanism, the interlocking device left interlocking piece and the interlocking device right interlocking piece are located at a first position under the action of the resetting force of the resetting mechanism, and the interlocking device lower door plate interlocking piece and the interlocking device output interlocking piece are limited by the interlocking device left interlocking piece and the interlocking device right interlocking piece and cannot;
the grounding operation shaft is connected with a grounding position cam, and the grounding position cam rotates in the rotating process of the grounding operation shaft; the grounding position cam is arranged close to the left and right interlocking pieces of the interlocking device, the left and right interlocking pieces of the interlocking device can be pushed to move towards the second direction along the set guide groove in the rotating process of the grounding position cam, and the closing operation hole baffles arranged on the left and right interlocking pieces of the interlocking device move towards the second direction to block the closing operation hole and prevent the load switch from being closed by mistake in a grounding state;
the interlocking device comprises an interlocking device lower door plate interlocking piece, an interlocking device output interlocking piece, a first interlocking piece, a second interlocking piece, a first interlocking piece and a second interlocking piece, wherein the interlocking device lower door plate interlocking piece and the interlocking device output interlocking piece are arranged on the interlocking device lower door plate interlocking piece; under the state that the cable chamber door is lifted up and opened, the door plate interlocking piece under the interlocking device can shield the grounding operation hole, and the grounding switch is prevented from being tapped by mistake in the overhauling state.
As an embodiment of the present invention, the reset mechanism is a reset spring.
As an embodiment of the present invention, the interlocking device lower door panel interlocking member and the interlocking device output interlocking member are fixedly connected by a bolt.
The beneficial effects of the utility model reside in that: the utility model provides an aerify cabinet operating device, security and reliability that can improve equipment.
The utility model relates to a five prevent interlock, its design philosophy is: the three-dimensional complex transmission interlocking mode is compressed in a flat space through a multilayer two-dimensional plane movement mode, all the intermediate transmission interlocking pieces are packaged between the two layers of clamping plates through the front layer of clamping plate and the rear layer of clamping plate, a signal input interface and a signal output interface are reserved, modularization is formed, the occupied space is small, and meanwhile the integral protection capacity of the interlocking pieces is also improved. The interlocking device can completely meet the five-prevention requirement of the prior gas-filled cabinet equipment, increases the reliability, and is very suitable for the use of the new generation of gas-insulated switchgear.
Drawings
Fig. 1 is a schematic view of a part of the structure of an operating mechanism of an air-filled cabinet according to an embodiment of the present invention.
Fig. 2 is a schematic view of a part of the structure of the operation mechanism of the gas-filled cabinet in an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a part of an operating mechanism of the gas-filled cabinet according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a part of an operating mechanism of the gas-filled cabinet according to an embodiment of the present invention.
Fig. 5 is a schematic view of a part of the structure of the operation mechanism of the gas-filled cabinet according to an embodiment of the present invention.
Fig. 6 is a schematic view of a part of the interlock device according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
For further understanding of the present invention, preferred embodiments of the present invention will be described below with reference to examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the claims of the present invention.
The description in this section is for exemplary embodiments only, and the present invention is not limited to the scope of the embodiments described. The same or similar prior art means and some technical features of the embodiments are mutually replaced and are also within the scope of the description and the protection of the invention.
The utility model discloses an operation mechanism of an inflatable cabinet, and figure 1 is a partial structural schematic diagram of the operation mechanism of the inflatable cabinet in an embodiment of the utility model; referring to fig. 1, in an embodiment of the present invention, the operation mechanism of the gas-filled cabinet includes: the signal input interlocking crank arm 1, the grounding operation shaft 2, the grounding operation hole 3, the interlocking device 4, the closing operation hole baffle 5, the closing operation shaft 6 and the closing and opening action crank arm 7; the interlocking device 4 comprises an interlocking device upper and lower interlocking piece 8, an interlocking device lower door panel interlocking piece 9, an interlocking device output interlocking piece 10, a reset mechanism 11 and an interlocking device left and right interlocking piece 12. In one embodiment, the lower door panel interlocking piece 9 and the interlocking device output interlocking piece 10 of the interlocking device are fixedly connected through bolts.
The switching-on operation shaft 6 is connected with a switching-on/off action connecting lever 7, and the signal of the switching-on/off action connecting lever 7 is input into the interlocking connecting lever 1; the signal input interlocking crank arm 1 is connected with the interlocking device upper and lower interlocking pieces 8, and the rotation of the signal input interlocking crank arm 1 can drive the interlocking device upper and lower interlocking pieces 8 to move up and down along the set guide groove;
the upper interlocking piece and the lower interlocking piece 8 of the interlocking device are provided with grounding operation holes 3; the grounding operation hole 3 is arranged at one end of the grounding operation shaft 2;
when the upper interlocking piece 8 and the lower interlocking piece 8 of the interlocking device are in a switch-on state, the upper interlocking piece 8 and the lower interlocking piece 8 of the interlocking device can shield the grounding operation hole 3, so that a grounding switch is prevented from being mistakenly switched on with electricity; when the upper interlocking piece and the lower interlocking piece 8 of the interlocking device are in a switch opening state, the upper interlocking piece and the lower interlocking piece 8 of the interlocking device can be exposed out of the grounding operation hole 3 and can be operated to be grounded.
The interlocking device left and right interlocking pieces 12 are connected with a reset mechanism 11, the interlocking device left and right interlocking pieces 12 are located at a first position under the action of the reset force of the reset mechanism 11, and in the state that the interlocking device left and right interlocking pieces 12 are located at the first position, the interlocking device lower door panel interlocking piece 9 and the interlocking device output interlocking piece 10 are limited by the interlocking device left and right interlocking pieces 12 and cannot move up and down.
The grounding operation shaft 2 is connected with a grounding position cam 13, and the grounding position cam 13 rotates in the rotating process of the grounding operation shaft 2; the grounding position cam 13 is arranged close to the left and right interlocking pieces 12 of the interlocking device, the left and right interlocking pieces 12 of the interlocking device can be pushed to move towards the second direction along the set guide groove in the rotating process of the grounding position cam 13, and the closing operation hole baffles 5 arranged on the left and right interlocking pieces 12 of the interlocking device move towards the second direction to block the closing operation hole and prevent the load switch from being closed by mistake in a grounding state.
The interlocking device left and right interlocking pieces 12 limit the upward moving channel of the interlocking device lower door panel interlocking piece 9 to be released in a state of moving towards the second direction and being located at the second position, the interlocking device lower door panel interlocking piece 9 and the interlocking device output interlocking piece 10 can freely move up and down, namely the locking relation between the interlocking device output interlocking piece 10 and the interlocking device lower door panel 9 is released; under the state that the cable chamber door is lifted up and opened, the lower door plate interlocking piece 9 of the interlocking device can shield the grounding operation hole 3, and the grounding switch is prevented from being tapped by mistake in the maintenance state.
The interlocking device upper and lower interlocking pieces 8 in the interlocking device 4 move up and down along with the signal input interlocking crank arm 1 (the signal input interlocking crank arm 1 moves up and down to be the signal input to the interlocking device 4 by the switch), and the interlocking device upper and lower interlocking pieces 8 move up and down to shield the grounding operation hole 3. The interlocking device lower door panel interlocking piece 9 and the interlocking device output interlocking piece 10 are installed together, the interlocking device output interlocking piece 10 receives an up-and-down signal sent by a cable chamber door, the interlocking device lower door panel interlocking piece 9 moves up and down along with the interlocking device output interlocking piece 10, when the interlocking device left and right interlocking pieces 12 are in a state shown in figure 2 (a left side position), an upward displacement route of the interlocking device lower door panel interlocking piece 9 is blocked, and the interlocking device lower door panel interlocking piece 9 and the interlocking device output interlocking piece 10 are limited. When the cam 13 in fig. 5 rotates, the cam 12 is pushed to move right, and the interlocking device upper and lower interlocking pieces 8 and the interlocking device lower door panel interlocking piece 9 are unlocked, namely the lower door panel can be lifted up.
In an embodiment of the present invention, the three-dimensional transmission route of the interlocking motion is compressed into a two-dimensional plane and the motions in all directions are realized in layers. As shown in figure 1, the load switch is in the closing position, the closing-separating operation crank arm of the sequence 7 is in the position shown in the figure, the closing-separating signal of the mechanism is input into the interlocking crank arm from the signal input interlocking crank arm of the sequence 1, the up-and-down movement of the upper interlocking piece and the lower interlocking piece of the sequence 8 interlocking device is generated through a brass sleeve and a guide groove, and the interlocking plate can realize that the lower end part of the sequence 8 interlocking plate can shield the grounding operation hole when the load switch is closed, so that the grounding switch is prevented from being mistakenly closed with electricity. The left and right interlocking pieces of the interlocking device in the same sequence 12 are kept in the left position by the tension of the return spring in the sequence 11. The interlocking piece of the lower door plate of the interlocking device of the sequence 9 is blocked by the lower end protruding parts of the left and right interlocking pieces of the interlocking device of the sequence 12 along the upward moving channel of the guide groove, so that the output interlocking piece of the interlocking device of the sequence 10 is limited, the cable chamber door cannot be lifted to be opened under the influence of the output interlocking piece of the interlocking device of the sequence 10, and the requirement of preventing the cable chamber door from entering an electrified interval by mistake is met.
After the load switch is opened, as shown in fig. 2, the closing-opening operation connecting lever of the sequence 7 rotates 60 degrees anticlockwise, the signal input interlocking connecting lever of the sequence 1 inputs a signal moving downwards into the interlocking device, the upper interlocking piece and the lower interlocking piece of the sequence 8 produce downward movement, and the grounding operation hole of the sequence 3 is exposed and can be operated to be grounded. The left interlocking piece and the right interlocking piece of the interlocking device of the time sequence 12 are still kept at different left positions, and the output interlocking piece of the interlocking device of the time sequence 10 is still in a limiting state, so that the cable chamber door is influenced by the output interlocking piece of the interlocking device of the time sequence 10 and cannot be lifted to open the cable chamber door, the maintenance operation of opening the cable chamber door can be carried out only when the switch is grounded, and the safety requirement is met.
After the grounding switch is switched on, as shown in fig. 3, the grounding operation shaft of the sequence 2 rotates clockwise to drive the grounding position cam of the sequence 13 on the shaft to rotate 90 degrees clockwise, the left and right interlocking pieces of the interlocking device of the sequence 12 are pushed to move rightwards along the guide grooves, and the closing and opening operation hole baffle of the sequence 14 load switch installed on the left and right interlocking pieces of the interlocking device of the sequence 12 moves rightwards to block the closing operation hole and prevent the load switch from being switched on by mistake in a grounding state. Meanwhile, after the interlocking piece moves right left and right in the interlocking device in the sequence 12, the upward moving channel of the interlocking piece of the lower door plate of the interlocking device in the sequence 9 is limited to be released, the sequence 9 and the sequence 10 can move up and down freely, namely the locking relation between the output interlocking piece of the interlocking device and the lower door plate is released. When the cable chamber door is lifted up and opened, the interlocking piece of the lower door plate of the interlocking device of the sequence 9 can shield the grounding operation hole of the sequence 3, so that the grounding switch can be prevented from being mistakenly tapped in a maintenance state.
All the intermediate link links interlocked above will be packaged in a module with front and rear clamping plates as shown in fig. 4. The upper and lower interlocking pieces of the interlocking device of the sequence 8, the left and right interlocking pieces of the interlocking device of the sequence 12 and the lower door panel interlocking piece of the interlocking device of the sequence 9 are packaged in the front and rear clamping plates of the interlocking devices of the sequence 15 and the sequence 19 through the connecting pin of the sequence 18, the brass sleeve of the sequence 17 and the E-shaped baffle of the sequence 15. The middle of the front and rear clamping plates has two planar movements, one of which is the up and down movement of the series 8 interlocking members and the other of which is the left and right and up and down movement of the series 12 and series 9 interlocking members, which movements form an interlocking relationship with each other by being in an interleaved relationship. The final interlocking device forms a module which can independently act as a whole, and an interface for input and output actions is reserved, so that the application is convenient.
To sum up, the utility model provides an aerify cabinet operating device can improve equipment's security and reliability. The utility model discloses pass through the planar motion mode of multilayer two-dimensional with three-dimensional complicated transmission interlocking mode, the compression is in a flat space, and two-layer splint around the rethread encapsulate all middle transmission interlocking pieces in the middle of two-layer splint to leave signal input interface and output interface, form the modularization, occupation space is little, has still increased the holistic protective capacities of interlocking piece simultaneously.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The description and applications of the present invention are illustrative and are not intended to limit the scope of the invention to the embodiments described above. Variations and modifications of the embodiments disclosed herein are possible, and alternative and equivalent various components of the embodiments will be apparent to those skilled in the art. It will be clear to those skilled in the art that the present invention may be embodied in other forms, structures, arrangements, proportions, and with other components, materials, and parts, without departing from the spirit or essential characteristics thereof. Other variations and modifications of the embodiments disclosed herein may be made without departing from the scope and spirit of the present invention.
Claims (3)
1. An inflatable cabinet operating mechanism, comprising: the signal input interlocking crank arm, the grounding operation shaft, the grounding operation hole, the interlocking device, the closing operation hole baffle, the closing operation shaft and the closing and opening action crank arm;
the interlocking device comprises an interlocking device upper interlocking piece, an interlocking device lower door plate interlocking piece, an interlocking device output interlocking piece, a reset mechanism and an interlocking device left interlocking piece and an interlocking device right interlocking piece;
the closing operation shaft is connected with a closing and opening action connecting lever, and the signal of the closing and opening action connecting lever is input into an interlocking connecting lever;
the signal input interlocking crank arm is connected with the upper interlocking piece and the lower interlocking piece of the interlocking device, and the rotation of the signal input interlocking crank arm can drive the upper interlocking piece and the lower interlocking piece of the interlocking device to move up and down along the set guide groove;
the upper interlocking piece and the lower interlocking piece of the interlocking device are provided with grounding operation holes; the grounding operation hole is arranged at one end of the grounding operation shaft;
when the upper interlocking piece and the lower interlocking piece of the interlocking device are in a switch-on state, the upper interlocking piece and the lower interlocking piece of the interlocking device can shield the grounding operation hole, so that the grounding switch is prevented from being mistakenly switched on under the condition of electrification;
when the upper interlocking piece and the lower interlocking piece of the interlocking device are in a switch-off state, the upper interlocking piece and the lower interlocking piece of the interlocking device can be exposed out of the grounding operation hole and can be operated to be grounded;
the interlocking device comprises an interlocking device left interlocking piece, an interlocking device right interlocking piece, a resetting mechanism and a locking device output interlocking piece, wherein the interlocking device left interlocking piece and the interlocking device right interlocking piece are connected with the resetting mechanism, the interlocking device left interlocking piece and the interlocking device right interlocking piece are located at a first position under the action of the resetting force of the resetting mechanism, and the interlocking device lower door plate interlocking piece and the interlocking device output interlocking piece are limited by the interlocking device left interlocking piece and the interlocking device right interlocking piece and cannot;
the grounding operation shaft is connected with a grounding position cam, and the grounding position cam rotates in the rotating process of the grounding operation shaft; the grounding position cam is arranged close to the left and right interlocking pieces of the interlocking device, the left and right interlocking pieces of the interlocking device can be pushed to move towards the second direction along the set guide groove in the rotating process of the grounding position cam, and the closing operation hole baffles arranged on the left and right interlocking pieces of the interlocking device move towards the second direction to block the closing operation hole and prevent the load switch from being closed by mistake in a grounding state;
the interlocking device comprises an interlocking device lower door plate interlocking piece, an interlocking device output interlocking piece, a first interlocking piece, a second interlocking piece, a first interlocking piece and a second interlocking piece, wherein the interlocking device lower door plate interlocking piece and the interlocking device output interlocking piece are arranged on the interlocking device lower door plate interlocking piece; under the state that the cable chamber door is lifted up and opened, the door plate interlocking piece under the interlocking device can shield the grounding operation hole, and the grounding switch is prevented from being tapped by mistake in the overhauling state.
2. The inflatable cabinet operating mechanism of claim 1, wherein:
the reset mechanism is a reset spring.
3. The inflatable cabinet operating mechanism of claim 1, wherein:
the interlocking device lower door plate interlocking piece and the interlocking device output interlocking piece are fixedly connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922450396.0U CN211578678U (en) | 2019-12-31 | 2019-12-31 | Operating mechanism of inflating cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922450396.0U CN211578678U (en) | 2019-12-31 | 2019-12-31 | Operating mechanism of inflating cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211578678U true CN211578678U (en) | 2020-09-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922450396.0U Active CN211578678U (en) | 2019-12-31 | 2019-12-31 | Operating mechanism of inflating cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211578678U (en) |
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2019
- 2019-12-31 CN CN201922450396.0U patent/CN211578678U/en active Active
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