CN220775177U - Isolation vehicle-retreating interlocking device of explosion-proof switch - Google Patents

Isolation vehicle-retreating interlocking device of explosion-proof switch Download PDF

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Publication number
CN220775177U
CN220775177U CN202322482691.0U CN202322482691U CN220775177U CN 220775177 U CN220775177 U CN 220775177U CN 202322482691 U CN202322482691 U CN 202322482691U CN 220775177 U CN220775177 U CN 220775177U
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China
Prior art keywords
front door
main cavity
piece
chassis
clamping
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Active
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CN202322482691.0U
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Chinese (zh)
Inventor
虞朝羽
王旭林
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Qiaorong Electronic Technology Co ltd
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Qiaorong Electronic Technology Co ltd
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Priority to CN202322482691.0U priority Critical patent/CN220775177U/en
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Abstract

The utility model relates to an isolation car-withdrawing interlocking device of an explosion-proof switch, which comprises an explosion-proof shell, wherein a chassis car is arranged in the explosion-proof shell, one surface of the explosion-proof shell is provided with a main cavity front door, an operating device for controlling the chassis car to advance and retreat is arranged on the main cavity front door, the operating device is electrically connected with the chassis car, a front door frame is arranged at one end of the explosion-proof shell corresponding to the main cavity front door, a locking device for limiting the opening and closing of the main cavity front door is arranged between the front door frame and the main cavity front door, and the locking device is arranged in linkage with the chassis car. By adopting the technical scheme, the chassis truck is controlled by the operating device to drive the module breaker to move, a collision plug structure is realized with the three-phase in-out female contact, the operation is convenient, the time and the labor are saved, and the communication remote driving and reversing can be realized by matching with the small operating device; the front door of the main cavity cannot be opened when the trolley is in a non-retreating position, and the front door of the main cavity can be opened only when the electric trolley retreats in position after the device is unlocked, so that the safety is enhanced.

Description

Isolation vehicle-retreating interlocking device of explosion-proof switch
Technical Field
The utility model belongs to the technical field of feed switches, and particularly relates to an isolation car-withdrawing interlocking device of an explosion-proof switch.
Background
In the environment containing explosive gas (methane mixture) in underground coal mines and other surrounding mediums, in a neutral ungrounded three-phase power grid with alternating current of 50Hz and voltages of 660V and 1140V and multi-loop current of 2000A and below, when equipment such as a feed switch, a starter and the like is in fault due to complex working environment, moist ground, frequent starting of electric equipment and the like, maintenance or overhaul is often needed, and currently used equipment such as the feed switch, the starter and the like adopts a mode of opening a door and cutting off the power or does not open the door to manually open the door, but is difficult to determine whether the equipment is in a state of completely separating from a main circuit in an explosion-proof main cavity, so that important potential safety hazards can be brought to coal mine safety production and personal safety if workers adopt the mode of opening the door and cutting off the power or the modular feed switch fails to completely separate from the main circuit to open the door to overhaul and remove faults.
Disclosure of Invention
In summary, in order to overcome the defects in the prior art, the utility model provides an isolation vehicle-withdrawing interlocking device of an explosion-proof switch (a finger explosion-proof feed switch or other switches).
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an explosion proof switch keeps apart car interlock that moves back, includes the explosion proof housing, be provided with the chassis car in the explosion proof housing, explosion proof housing one side is provided with the main cavity qianmen, be provided with the operating means who is used for controlling chassis car advance and retreat car on the main cavity qianmen, operating means with the chassis car electricity is connected, the one end that the explosion proof housing corresponds the main cavity qianmen is provided with preceding door frame, be provided with the locking device who is used for prescribing a limit to main cavity qianmen and opens and close between preceding door frame and the main cavity qianmen, locking device and chassis car linkage setting.
By adopting the technical scheme, the chassis vehicle (electric and manual dual-purpose) is controlled by the operating device to drive the module breaker to move, and a collision plug structure is realized with the three-phase in-out female contact; the operation is convenient, time and labor are saved, and the communication remote driving and reversing can be realized by matching with the operation device; the front door of the main cavity cannot be opened when the trolley is in a non-retreating position, and the front door of the main cavity can be opened only when the electric trolley retreats to the position after the device is unlocked. The utility model realizes the isolating switch function of the electric trolley and enhances the safety.
The utility model further provides that: the locking device comprises a positioning groove arranged on one side in the front door of the main cavity, a locking mechanism arranged on the front door frame and a linkage piece arranged on the chassis truck, the operating device drives the chassis truck to move in the opposite direction of the main circuit terminal group, and when the main circuit terminal group and the chassis truck are completely separated from each other, the linkage piece drives the locking mechanism to be separated from the positioning groove.
Through adopting above-mentioned technical scheme, the chassis car needs the antedisplacement to exceed appointed stroke length, promptly ensures when breaking off completely between module circuit breaker and the main circuit terminal group, and the linkage piece drives locking mechanical system breaks away from the constant head tank, and locking device releases the restriction to main cavity qianmen, and main cavity qianmen can be opened, though the chassis car position can't be looked at directly outside the casing, but through mechanical fit's mode, locking device can ensure that the chassis car reaches appointed position and releases the locking state, further strengthens its security, and the chassis car position is confirmed to the state of operating personnel accessible main cavity qianmen simultaneously.
The utility model further provides that: the locking mechanism comprises a mounting frame and a clamping piece, wherein the mounting frame and the clamping piece are arranged on the front door frame, the clamping piece comprises a swinging part hinged with the mounting frame and a clamping part matched with the positioning groove, and when the linkage piece moves forwards to prop against the lower end of the swinging part, the linkage piece drives the clamping piece to swing, so that the clamping part moves backwards to be separated from the positioning groove.
Through adopting above-mentioned technical scheme, simple structure, convenient operation, whole journey produces the linkage reaction along with the mobile state of chassis car, changes fastener state, labour saving and time saving, and is more accurate, stability is strong.
The utility model further provides that: the connecting piece is arranged at the lower end of the swinging part, the connecting piece is provided with a limiting groove, one end of the linkage piece is detachably connected with the chassis truck, the other end of the linkage piece is arranged in the limiting groove, and when the linkage piece moves forwards to be in a state of abutting with the front end of the limiting groove, the linkage piece drives the clamping piece to swing backwards, so that the clamping part moves backwards to be separated from the positioning groove.
Through adopting above-mentioned technical scheme, remove along with the chassis car through the linkage piece, the linkage piece is removed in the spacing groove, when the front and back end of linkage piece and spacing groove offsets, drives fastener back-and-forth swing, and its stability is strong, and linkage piece one end can be dismantled with the chassis car simultaneously and be connected, can be according to the size in the flameproof housing cavity, and the stroke length of chassis car is different, and the linkage piece or the connecting piece of change different width can be dismantled with the swing portion and be connected, and the connecting piece of change different length spacing grooves, and the suitability is wider.
The utility model further provides that: the length of the linkage piece is larger than the distance between the swinging part and the chassis, a spring used for enabling the clamping part to swing forwards is arranged on the mounting frame, and when the linkage piece is in non-contact with the lower end of the swinging part, the clamping part swings forwards under the acting force of the spring, and the clamping part is clamped with the positioning groove.
Through adopting above-mentioned technical scheme, set up the spring, when the linkage piece did not effort on the fastener, the fastener was put forward and constant head tank joint under the effort of spring, and the fastener was put after driving the fastener through the fastener lower extreme, and the spring is stretched, plays spacing effect to the fastener back pendulum simultaneously, and when the linkage piece was in the separation state with the fastener, the fastener was answered the state of front pendulum location under the restoring effort of spring.
The utility model further provides that: and a limiting piece for limiting the forward swing angle of the clamping piece is arranged on the mounting frame.
Through adopting above-mentioned technical scheme, the fastener is under the effect of spring, and the fastener forward pendulum, the locating part limit the fastener swing range, makes its location or the process of separation more stable.
The utility model further provides that: the main cavity front door is provided with an unlocking button for opening and closing the locking mechanism, the unlocking button comprises an operation button arranged on the outer side of the main cavity front door and a pushing component arranged in the main cavity front door, the swinging part is provided with a connecting plate, the connecting plate is arranged between the hinge part and the clamping part of the clamping piece, and the connecting plate comprises a pushing plate matched with the pushing component.
Through adopting above-mentioned technical scheme, on-the-spot emergency uses, if electric trolley trouble can't withdraw from, manual operating button that presses drives the fastener swing through pushing the subassembly promotion connecting plate, manual opening and closing locking mechanical system, easy operation.
The following describes specific embodiments of the present utility model with reference to the drawings and examples.
Drawings
FIG. 1 is a partial perspective view of a first embodiment of the present utility model;
FIG. 2 is a partial cross-sectional view of a first embodiment of the present utility model;
FIG. 3 is a partial cross-sectional view of a second embodiment of the present utility model;
reference numerals: 1. the explosion proof housing, 11, the front door frame, 2, the operating device, 3, the chassis, 4, the main cavity front door, 41, the locating slot, 5, the locking device, 51, the locking mechanism, 511, the mounting bracket, 512, the clamping piece, 5121, the swinging part, 5122, the clamping part, 5123, the hinging part, 52, the linkage piece, 53, the connecting piece, 531, the limiting slot, 54, the spring, 55, the limiting piece, 6, the emergency stop switch, 61, the operating button, 62, the pushing component, 63, the connecting plate, 631 and the pushing plate.
Detailed Description
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Referring to fig. 1-3, the isolation car-withdrawing interlocking device for the flameproof switch disclosed in the embodiment comprises a flameproof shell 1, wherein a chassis car 3 is arranged in the flameproof shell 1, a main cavity front door 4 is arranged on one surface of the flameproof shell 1, an operation device 2 for controlling the chassis car 3 is arranged on the main cavity front door 4, the operation device 2 is electrically connected with the chassis car 3, a front door frame 11 is arranged at one end of the flameproof shell 1 corresponding to the main cavity front door 4, and a locking device 5 for limiting the opening and closing of the main cavity front door 4 is arranged between the front door frame 11 and the main cavity front door 4.
The present embodiment further provides: the locking device 5 comprises a positioning groove 41 arranged on one side in the front door 4 of the main cavity, a locking mechanism 51 arranged on the front door frame 11 and a linkage piece 52 arranged on the chassis 3, the operation device 2 drives the chassis 3 to move in the opposite direction of the main circuit terminal group, and when the two are completely separated, the linkage piece 52 drives the locking mechanism 51 to be separated from the positioning groove 41.
The present embodiment further provides: the locking mechanism 51 includes a mounting frame 511 and a clamping member 512 disposed on the front door frame 11, the clamping member 512 includes a swinging portion 5121 hinged to the mounting frame 511 and a clamping portion 5122 adapted to the positioning slot 41, when the linkage member 52 moves forward to abut against the lower end of the swinging portion 5121, the linkage member 52 drives the clamping member 512 to swing, so that the clamping portion 5122 moves backward to be separated from the positioning slot 41.
The present embodiment further provides: the lower end of the swinging part 5121 is provided with a connecting piece 53, the connecting piece 53 is provided with a limit groove 531, one end of the linkage piece 52 is detachably connected with the chassis 3, the other end of the linkage piece 52 is arranged in the limit groove 531, and when the linkage piece 52 moves forward to a state of abutting against the front end of the limit groove 531, the linkage piece 52 drives the clamping piece 512 to swing backwards, so that the clamping part 5122 moves backwards to be separated from the positioning groove 41.
The present embodiment further provides: the length of the linkage piece 52 is greater than the distance between the swinging part 5121 and the chassis 3, a spring 54 for enabling the clamping part 5122 to swing forwards is arranged on the mounting frame 511, and when the linkage piece 52 is not contacted with the lower end of the swinging part 5121, the clamping part 5122 swings forwards under the acting force of the spring 54, and the clamping part 5122 is clamped with the positioning groove 41.
The present embodiment further provides: the mounting rack 511 is provided with a limiting member 55 for limiting the forward swing angle of the clamping member 512.
The present embodiment further provides: the main cavity front door 4 is provided with an unlocking button 6 for opening and closing the locking mechanism 51, the unlocking button 6 comprises an operation button 61 arranged on the outer side of the main cavity front door 4 and a pushing component 62 arranged in the main cavity front door 4, the swinging part 5121 is provided with a connecting plate 63, the connecting plate 63 is arranged between a hinge part 5123 and a clamping part 5122 of the clamping piece 512, and the connecting plate 63 comprises a pushing plate 631 matched with the pushing component 62.
The term "between" does not mean not only between the orientation and the position but also between interactions of different parts, and the right and left are in the main-cavity front door 4 of the switch in the main-view direction.
Although terms such as the flameproof housing 1, the front door frame 11, the operating device 2, the chassis 3, the main cavity front door 4, the positioning groove 41, the locking device 5, the locking mechanism 51, the mounting bracket 511, the clip 512, the swinging portion 5121, the clip 5122, the hinge portion 5123, the link 52, the link 53, the restricting groove 531, the spring 54, the restricting member 55, the emergency stop switch 6, the operating button 61, the pushing assembly 62, the connecting plate 63, the push plate 631, and the like are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims (7)

1. The utility model provides an isolated car interlock that moves back of flame proof switch which characterized in that: including the flameproof shell, be provided with the chassis car in the flameproof shell, flameproof shell one side is provided with the main cavity qianmen, be provided with the operating means who is used for controlling chassis car advancing and retreating car on the main cavity qianmen, operating means with chassis car electricity is connected, the one end that the flameproof shell corresponds the main cavity qianmen is provided with preceding door frame, be provided with the locking device that is used for prescribing a limit to main cavity qianmen and opens and close between preceding door frame and the main cavity qianmen, locking device and chassis car linkage setting.
2. The flameproof switch isolation vehicle-withdrawal interlocking device according to claim 1, wherein: the locking device comprises a positioning groove arranged on one side in the front door of the main cavity, a locking mechanism arranged on the front door frame and a linkage piece arranged on the chassis truck, the operating device drives the chassis truck to move in the opposite direction of the main circuit terminal group, and when the main circuit terminal group and the chassis truck are completely separated from each other, the linkage piece drives the locking mechanism to be separated from the positioning groove.
3. The flameproof switch isolation vehicle-withdrawal interlocking device according to claim 2, wherein: the locking mechanism comprises a mounting frame and a clamping piece, wherein the mounting frame and the clamping piece are arranged on the front door frame, the clamping piece comprises a swinging part hinged with the mounting frame and a clamping part matched with the positioning groove, and when the linkage piece moves forwards to prop against the lower end of the swinging part, the linkage piece drives the clamping piece to swing, so that the clamping part moves backwards to be separated from the positioning groove.
4. The flameproof switch isolation vehicle-withdrawal interlocking device according to claim 3, wherein: the connecting piece is arranged at the lower end of the swinging part, the connecting piece is provided with a limiting groove, one end of the linkage piece is detachably connected with the chassis truck, the other end of the linkage piece is arranged in the limiting groove, and when the linkage piece moves forwards to be in a state of abutting with the front end of the limiting groove, the linkage piece drives the clamping piece to swing backwards, so that the clamping part moves backwards to be separated from the positioning groove.
5. The flameproof switch isolation vehicle-withdrawal interlocking device according to claim 3, wherein: the length of the linkage piece is larger than the distance between the swinging part and the chassis, a spring used for enabling the clamping part to swing forwards is arranged on the mounting frame, and when the linkage piece is in non-contact with the lower end of the swinging part, the clamping part swings forwards under the acting force of the spring, and the clamping part is clamped with the positioning groove.
6. The flameproof switch isolation vehicle-withdrawal interlocking device according to claim 5, wherein: and a limiting piece for limiting the forward swing angle of the clamping piece is arranged on the mounting frame.
7. The flameproof switch isolation vehicle-withdrawal interlocking device according to claim 3, wherein: the main cavity front door is provided with an unlocking button for opening and closing the locking mechanism, the unlocking button comprises an operation button arranged on the outer side of the main cavity front door and a pushing component arranged in the main cavity front door, the swinging part is provided with a connecting plate, the connecting plate is arranged between the hinge part and the clamping part of the clamping piece, and the connecting plate comprises a pushing plate matched with the pushing component.
CN202322482691.0U 2023-09-12 2023-09-12 Isolation vehicle-retreating interlocking device of explosion-proof switch Active CN220775177U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322482691.0U CN220775177U (en) 2023-09-12 2023-09-12 Isolation vehicle-retreating interlocking device of explosion-proof switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322482691.0U CN220775177U (en) 2023-09-12 2023-09-12 Isolation vehicle-retreating interlocking device of explosion-proof switch

Publications (1)

Publication Number Publication Date
CN220775177U true CN220775177U (en) 2024-04-12

Family

ID=90597547

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322482691.0U Active CN220775177U (en) 2023-09-12 2023-09-12 Isolation vehicle-retreating interlocking device of explosion-proof switch

Country Status (1)

Country Link
CN (1) CN220775177U (en)

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