CN219478281U - Mining explosion-proof box with safety interlocking mechanism - Google Patents
Mining explosion-proof box with safety interlocking mechanism Download PDFInfo
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- CN219478281U CN219478281U CN202320296636.XU CN202320296636U CN219478281U CN 219478281 U CN219478281 U CN 219478281U CN 202320296636 U CN202320296636 U CN 202320296636U CN 219478281 U CN219478281 U CN 219478281U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The application discloses mining flameproof box with safety interlocking mechanism includes: the box body is rotationally connected with a protective door at one side of the box body, a door baffle is fixedly arranged on the front surface of the box body, a clamping block is fixedly arranged on the bottom end side surface of the door baffle, a locking installation hole is formed in the surface of one side of the box body adjacent to the door baffle, a locking assembly is arranged in the locking installation hole, an interlocking installation hole is formed in one side of the box body below the locking installation hole, and an interlocking assembly is movably arranged in the interlocking installation hole; the inner bottom surface of the box body is fixedly provided with a shaft seat close to the door baffle, the inner part of the shaft seat is coaxially and movably connected with a rotating shaft lock rod, the outer peripheral surface of the rotating shaft lock rod is provided with a clamping plate, and the joint of the box body and the door baffle is provided with a limiting component. The utility model can carry out interlocking control on a plurality of protective doors of the mining explosion-proof box, and can prevent the protective doors from being automatically opened due to manual misoperation.
Description
Technical Field
The utility model relates to the technical field of mining explosion-proof boxes, in particular to a mining explosion-proof box with a safety interlocking mechanism.
Background
At present, when mining operation is carried out underground in a coal mine, an explosion-proof box is used for carrying out centralized control on electrical equipment in the coal mine, and the explosion-proof box is used for carrying out on-off control on a high-voltage transmission line which is sent to the underground ground.
However, the opening and closing of the cabinet door of the existing explosion-proof box and the on-off of the explosion-proof box are not interlocked, so that the cabinet door of the explosion-proof box can be opened under the condition that the power is not cut off, or the cabinet door of the explosion-proof box is electrified under the condition that the cabinet door of the explosion-proof box is not closed, flammable gas in a mine is easily ignited by electric sparks in the explosion-proof box, and explosion is caused;
at present, the isolating switch for controlling on and off of the existing explosion-proof box is usually arranged one by one with a door, so that interlocking is easy to realize, however, when the requirement of the explosion-proof box is improved and interlocking control is required to be carried out on a plurality of doors of the explosion-proof box, the one-to-one arrangement structure is quite complex and complicated, the existing explosion-proof box cannot prevent manual misoperation of the isolating switch, and the explosion-proof box can be opened after the manual misoperation of the isolating switch, so that accidents happen, and therefore, a novel mining explosion-proof box with a safety interlocking mechanism is required.
Disclosure of Invention
The utility model aims to provide a mining explosion-proof box with a safety interlocking mechanism, which is used for solving the problems that the mining explosion-proof box in the prior art cannot carry out interlocking control on a plurality of doors and can be automatically opened when a disconnecting switch is manually misoperation.
In order to achieve the above purpose, the embodiment of the present application adopts the following technical scheme: the utility model provides a mining explosion proof box with safety interlocking mechanism, includes box, guard gate, and the guard gate rotates to be connected in one side of box, its characterized in that: a door baffle is fixedly arranged on the front surface of the box body, a clamping block is fixedly arranged on the bottom end side surface of the door baffle, a gap is reserved between the clamping block and the door baffle, a locking mounting hole is formed in the surface of one side of the box body adjacent to the door baffle, a locking assembly is arranged in the locking mounting hole, an interlocking mounting hole is formed in one side of the box body below the locking mounting hole, an interlocking assembly is movably arranged in the interlocking mounting hole, and the locking assembly can lock and limit the interlocking assembly; the inner bottom surface of the box body is fixedly provided with a shaft seat close to the door baffle, the inner part of the shaft seat is coaxially and movably connected with a rotating shaft lock rod, the outer peripheral surface of the rotating shaft lock rod is provided with a clamping plate, and the joint of the box body and the door baffle is provided with a limiting component; the interlock assembly includes: the interlocking rotary shaft is rotatably arranged in the interlocking mounting hole, a handle is arranged at one end of the interlocking rotary shaft facing the outside of the box body, an eccentric piece is coaxially arranged at one end of the interlocking rotary shaft facing the inside of the box body, a baffle piece is coaxially arranged at one end of the interlocking rotary shaft and positioned at one side of the eccentric piece, the baffle piece can be mutually matched with the locking component to limit the position of the interlocking component, a lock rod mounting seat is fixedly arranged on the inner wall surface of the box body at one side of the interlocking rotary shaft, a switch lock rod is movably arranged in the lock rod mounting seat, an opening groove is formed at one end of the switch lock rod facing the eccentric piece, the opening groove is sleeved outside the eccentric piece, a pressure spring is sleeved between the periphery of one end of the switch lock rod with the opening groove and the lock rod mounting seat through a clamp spring, a transmission lock rod is rotatably connected at the other end of the switch lock rod, one side surface of the transmission lock rod is rotatably connected with the inner wall surface of the box body through the transmission rotary shaft, a waist-shaped guide chute is formed at one end of the transmission lock rod, a linkage lock rod is movably connected with the sliding shaft through a sliding shaft in the guide chute, and one end of the linkage lock rod is fixedly connected with the outer peripheral surface of the rotation shaft; the spacing subassembly includes: the telescopic shaft, the deflector, the fixed internal surface that sets up at the door deflector, the telescopic shaft activity sets up in the spacing erection column of bottom surface in the box, and the one end activity of telescopic shaft stretches into the inside of deflector, is provided with the bulge loop at the outer peripheral surface of telescopic shaft, is provided with the second reset spring between bulge loop and spacing erection column, can carry out the position limitation to the pivot locking lever when the telescopic shaft stretches out the surface of deflector.
Further, in the embodiment of the utility model, a pressure receiving plate is fixedly arranged on the surface of one side of the protective door facing the inside of the box body, an arc-shaped extrusion surface is arranged at one end of the pressure receiving plate, and a limit groove is arranged on the bottom surface of the protective door and is matched with the clamping block.
Further, in the embodiment of the utility model, a protruding arc-shaped flange is arranged at one end of the baffle.
Further, in the embodiment of the utility model, one side of the eccentric piece, which faces the switch lock rod, is provided with an oval shape, the other side of the eccentric piece, which is far away from the switch lock rod, is provided with a limit groove, the limit groove is matched with a limit shaft on the inner wall surface of the box body, the surface of the transmission lock rod is fixedly connected with a tension spring, and one end of the tension spring is fixedly connected with the inner wall surface of the door baffle plate.
Further, in an embodiment of the present utility model, the latch assembly includes: the locking installation seat is fixedly arranged on the inner wall surface of the box body and is coaxial with the locking installation hole, a locking knob is movably arranged in the locking installation seat in a coaxial mode, one end of the locking knob, extending out of the locking installation seat, is arranged to be a reducing end, a locking end disc is arranged at the reducing end of the locking knob, the diameter of the locking end disc is larger than that of the reducing end of the locking knob, and the outer peripheral surface of the locking end disc is matched with the arc-shaped retaining edge of the retaining piece.
Further, in the embodiment of the utility model, two locking clamping grooves which are uniformly arranged are formed in the outer peripheral surface of the locking knob, two symmetrical limit mounting holes are formed in the locking mounting seat, limit screws are correspondingly connected in the two limit mounting holes in a threaded manner, first reset springs are respectively arranged at one ends of the two limit screws, which face the locking knob, and balls are arranged at one ends of the first reset springs, and the outer peripheral surfaces of the balls are embedded into the corresponding locking clamping grooves.
The beneficial effects of the utility model are as follows: when the protective door is in a closed state with the box body and the inside of the box body is electrified, the protective door can be always kept in the closed state with the box body through the interlocking component, the limiting component and the rotating shaft lock rod, when the protective door is opened by misoperation, the protective door cannot be lifted up due to the fact that the clamping plate of the rotating shaft lock rod is matched with the pressure receiving plate of the protective door, the clamping block is kept in buckling connection with the limiting groove, the protective door is further prevented from being separated from the box body, and the phenomenon that personnel are injured due to the fact that the protective door is opened by misoperation is prevented. And can lock the interlocking subassembly through the locking subassembly when artifical maloperation interlocking subassembly to prevent that artifical maloperation interlocking subassembly from leading to the guard gate to open when the box is inside circular telegram, lock the interlocking subassembly through the locking subassembly, thereby guaranteed that the guard gate can not open when the box is inside circular telegram. Meanwhile, the interlocking control can be carried out on the multiple protective doors, so that the structure of the box body is simplified without adding redundant interlocking components and locking components.
Drawings
The present application is further described below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of a mining flameproof box with a safety interlock mechanism according to an embodiment of the present utility model.
Fig. 2 is a partially enlarged schematic structural view at a in fig. 1.
FIG. 3 is a schematic plan view of a mining explosion suppression box with a safety interlock mechanism according to an embodiment of the present utility model.
Fig. 4 is a schematic view of the sectional structure according to the direction B1 in fig. 3.
Fig. 5 is a partially enlarged structural schematic diagram at C in fig. 4.
Fig. 6 is a schematic view of the sectional structure according to the direction B2 in fig. 3.
Fig. 7 is a partially enlarged structural schematic diagram at B in fig. 3.
Fig. 8 is a partially enlarged structural schematic diagram at D in fig. 7.
Fig. 9 is a schematic view of the latch assembly, interlock assembly, and spacing assembly of fig. 1.
FIG. 10 is a schematic diagram of a structure of a mining explosion proof box with a safety interlocking mechanism, wherein a protective door, a rotating shaft lock rod, a limiting assembly and a door baffle are matched with each other in an electrified state.
Fig. 11 is a schematic structural view of the door and door stop, and the spindle lock bar and limit assembly in the power-off state of fig. 10.
Fig. 12 is a schematic view showing a structure of the completely opened state of the barrier door of fig. 11.
10. Box 101, locking mounting hole 102 and limiting mounting column
20. Locking assembly 201, locking mounting seat 2011 and limiting mounting hole
202. Locking knob 2021, locking groove 2022, locking end plate
203. Ball 204, first return spring 205, stop screw
30. Interlocking assembly 301, interlocking rotating shaft 302 and baffle
3021. Baffle edge 303, switch lock rod 304 and lock rod mounting seat
305. Pressure spring 306, transmission lock rod 3061 and guide chute
307. Linkage lock rod 308, limiting shaft 309 and handle
3010. Eccentric piece 30101, limiting groove 3011 and tension spring
3012. Transmission rotating shaft
40. Axle seat 50, door shield 501 and clamping block
60. Limiting component 601, guide plate 602 and telescopic shaft
603. Second return spring
70. Rotating shaft lock rod 701, clamping plate 80 and protective door
801. Pressure receiving plate 8011, pressing surface 802, and limit groove
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
As shown in fig. 1-12, this embodiment discloses a mining explosion-proof box with a safety interlocking mechanism, which comprises a box body 10 and a protective door 80, wherein the protective door 80 is rotatably connected to one side of the box body 10 (the protective door 80 and the structure and opening steps of an opening mechanism refer to chinese patent, application number: CN202022184058X, patent name: the safety interlocking mechanism of the mining explosion-proof box, which is not repeated here), in this embodiment, as shown in fig. 10 and 11, a pressure receiving plate 801 is fixedly arranged on the surface of one side of the protective door 80 facing the interior of the box body 10, one end of the pressure receiving plate 801 is provided with an arc-shaped extrusion surface 8011, and the bottom surface of the protective door 80 is provided with a limiting groove 802.
As shown in fig. 1 and 11, a door baffle 50 is fixedly arranged on the front surface of a box body 10, a clamping block 501 is fixedly arranged on the bottom end side surface of the door baffle 50, a space is reserved between the clamping block 501 and the door baffle 50, the clamping block 501 is matched with a limiting groove 802, a locking installation hole 101 is arranged on the surface of one side of the box body 10 adjacent to the door baffle 50, a locking assembly 20 is arranged in the locking installation hole 101, an interlocking installation hole is arranged on one side of the box body 10 below the locking installation hole 101, an interlocking assembly 30 is movably arranged in the interlocking installation hole, and the locking assembly 20 can lock and limit the interlocking assembly 30;
as shown in fig. 3-9, the interlock assembly 30 includes: in the present embodiment, as shown in fig. 1, 4 and 5, an eccentric piece 3010 is coaxially arranged at one end of the interlocking rotary shaft 301 facing the outside of the box 10, an eccentric piece 3010 is arranged at one end of the interlocking rotary shaft 301 facing the inside of the box 10, one side of the eccentric piece 3010 facing the switch lock rod 303 is elliptical, a limit groove 30101 is arranged at the other side of the eccentric piece 3010 far away from the switch lock rod 303, the limit groove 30101 is matched with a limit shaft 308 on the inner wall surface of the box 10, a baffle piece 302 is arranged at one side of the eccentric piece 3010 at the same axis as one end of the interlocking rotary shaft 301, a protruding arc-shaped baffle edge 3021 is arranged at one end of the baffle piece 302, the baffle piece 302 can be mutually matched with the locking component 20, so that the interlocking component 30 is subjected to position limitation, one side of the interlocking rotary shaft 301 is fixedly provided with a lock rod mounting seat 304 at the inner wall surface of the box 10, the inside of the lock rod mounting seat 304 is movably provided with a switch lock rod 303, an opening groove is arranged at one end of the switch lock rod 303 facing the eccentric piece 3010, the opening groove is sleeved at one end of the switch 3010, a baffle plate 3011 is rotatably connected with one end of the baffle plate 3011 at the outer side of the baffle 306 through a guide shaft 306, a transmission shaft 306 is rotatably connected with one end of the guide shaft 306, and the transmission shaft 306 is fixedly connected with one end of the transmission shaft 306 through the transmission shaft 306, one end of the interlock locking lever 307 is fixedly connected to the outer peripheral surface of the rotation shaft locking lever 70.
As shown in fig. 5, 6, 7, 8, the latch assembly 20 includes: the locking installation seat 201, the locking installation seat 201 is fixedly arranged on the inner wall surface of the box body 10 and is coaxial with the locking installation hole 101, the locking knob 202 is movably arranged in the locking installation seat 201 coaxially, one end of the locking knob 202 extending out of the locking installation seat 201 is set to be a reducing end, the reducing end of the locking knob 202 is provided with a locking end disc 2022, the diameter of the locking end disc 2022 is larger than that of the reducing end of the locking knob 202, and the outer circumferential surface of the locking end disc 2022 is matched with the arc-shaped flange 3021 of the blocking piece 302.
As shown in fig. 7 and 8, two locking clamping grooves 2021 are uniformly arranged on the outer peripheral surface of the locking knob 202, in this embodiment, the two locking clamping grooves 2021 are divided into a first locking clamping groove and a second locking clamping groove, two symmetrical limit mounting holes 2011 are arranged in the locking mounting seat 201, limit screws 205 are correspondingly and threadedly connected in the two limit mounting holes 2011 respectively, one ends of the two limit screws 205 facing the locking knob 202 are respectively provided with a first return spring 204, one end of the first return spring 204 is provided with a ball 203, and the outer peripheral surface of the ball 203 is embedded in the corresponding locking clamping groove 2021.
As shown in fig. 1 and 2, a shaft seat 40 close to a door baffle 50 is fixedly arranged on the inner bottom surface of the box 10, a rotating shaft lock rod 70 is movably connected with the inner part of the shaft seat 40 in a coaxial manner, a clamping plate 701 is arranged on the outer peripheral surface of the rotating shaft lock rod 70, the bottom of the clamping plate 701 is arranged in an arc shape and is matched with an arc-shaped extrusion surface 8011, and a limit assembly 60 is arranged at the joint of the box 10 and the door baffle 50.
As shown in fig. 1, 2, 9, the spacing assembly 60 includes: the telescopic shaft 602 and the guide plate 601 are fixedly arranged on the inner surface of the door baffle 50, the telescopic shaft 602 is movably arranged in the limit mounting column 102 on the inner bottom surface of the box 10, one end of the telescopic shaft 602 movably stretches into the guide plate 601, a convex ring is arranged on the outer peripheral surface of the telescopic shaft 602, a second reset spring 603 is arranged between the convex ring and the limit mounting column 102, and the telescopic shaft 602 can limit the position of the rotating shaft lock rod 70 when stretching out of the surface of the guide plate 601.
When being in the closed state between guard gate 80 and box 10 and the inside circular telegram of box 10, can make guard gate 80 remain closed state all the time with box 10 through interlocking subassembly 30, spacing subassembly 60, pivot locking lever 70, artifical when the maloperation is opened guard gate 80, because the cardboard 701 of pivot locking lever 70 cooperates with the clamp plate 801 of guard gate 80 each other for guard gate 80 can't lift up, fixture block 501 keeps the lock joint with spacing recess 802 and then has guaranteed guard gate 80 can not break away from box 10, has prevented that manual misoperation from opening guard gate 80 and leading to the injured phenomenon of personnel. And, can lock interlock subassembly 30 through locking subassembly 20 when artifical maloperation interlock subassembly 30 to prevent that artifical maloperation interlock subassembly 30 from leading to guard gate 80 to open when the inside circular telegram of box 10, lock interlock subassembly 30 through locking subassembly 20, thereby guaranteed that guard gate 80 can not open when the inside circular telegram of box 10.
Specifically, in the present embodiment, when two protective doors 80 are provided, two shaft seats 40 are provided in the interior of the case 10, and the rotating shaft lock lever 70 is rotatably connected with the two shaft seats 40, two door baffles 50 are fixedly provided on the front surface of the case 10, two limiting assemblies 60 are respectively provided at the connection portions of the case 10 and the two door baffles 50, two clamping plates 701 are provided on the outer peripheral surface of the rotating shaft lock lever 70, and the remaining structure is the same as that described above, thereby realizing interlocking control of the two protective doors 80.
The working principle of the utility model is as follows: the electric power box is characterized in that a contactor and various electric appliances are arranged in the box 10, one end of a handle 309 is electrically connected with an inlet wire end of the contactor and an external power supply inlet wire respectively, an outlet wire end of the contactor is connected with the various electric appliances (not shown in the figure), the contactor and the various electric appliances are controlled to be in an electrified or powered-off state through rotation of the handle 309, when a limiting groove 30101 of an eccentric piece 3010 is clamped with a limiting shaft 308, the electric power box is in a powered-off state, when the limiting groove 30101 of the eccentric piece 3010 is separated from the limiting shaft 308, the limiting groove 802 of the protective door 80 is clamped with a clamping block 501 of the door baffle 50, as shown in fig. 10, and the surface of the protective door 80 is attached to the surface of the door baffle 50, so that the box 10 forms a closed environment (at the moment, the inside of the box 10 is in the electrified state at the moment), when the limiting groove 802 of the protective door 80 is clamped with the clamping block 501 of the door baffle 50, the compression plate 801 extrudes the telescopic shaft 602 to enable the telescopic shaft 602 to be in a downward movement, and after the telescopic shaft 602 moves downward, the telescopic shaft 602 drives the locking rod 70 to rotate, and the locking rod 70 is driven to be in the powered-off state when the clamping plate 801 is pressed from the clamping block 802 to the inner side of the clamping block 80, the clamping block 80 is pressed from the power box 10, and the manual protection door 80 is prevented from being in the arc-shaped 10, and the manual protection assembly is in the state, and the manual protection assembly is prevented from being damaged, and the manual assembly is opened, and the manual assembly is in the situation is in the condition that the situation that the manual assembly is in the condition is in that the condition that the manual protection is in that the condition that the clamping block 10 is in the powered-10 is in the powered-state, and is in the powered-state, the powered-is in 10.
When the protective door 80 needs to be opened, the power is manually turned off to enable the inside of the box 10 to be in a power-off state, then as shown in fig. 3, 7 and 8, the locking knob 202 is manually pushed to move towards the inside of the box 10, so that the second locking clamping groove on the locking knob 202 moves to the original first locking clamping groove, at the moment, the ball 203 limits the position of the second locking clamping groove, and when the locking knob 202 moves, the locking end disc 2022 and the blocking piece 302 which are originally in mutual fit are separated, and after the locking end disc 2022 is separated from the blocking edge 3021 of the blocking piece 302, the blocking edge 3021 of the blocking piece 302 is positioned at the diameter reducing end of the locking knob 202;
when the flange 3021 of the blocking piece 302 is located at the diameter-reducing end of the locking knob 202, at this time, the locking end disc 2022 releases the position restriction on the blocking piece 302, and the handle 309 is manually turned, so that the handle 309 is turned from the original power-on indication mark to the power-off indication mark, as shown in fig. 5, during the turning process of the handle 309, the interlocking rotation shaft 301 rotates to drive the eccentric piece 3010 and the blocking piece 302 to synchronously rotate, so that the eccentric piece 3010 and the blocking piece 302 rotate clockwise, and the limiting groove 30101 of the eccentric piece 3010 is separated from the limiting shaft 308;
as shown in fig. 5, in the process of rotating the eccentric piece 3010, the oval edge of the eccentric piece 3010 releases the extrusion of the switch lock rod 303, so that the switch lock rod 303 moves towards the direction of the eccentric piece 3010 through the pressure spring 305, the switch lock rod 303 moves and drives the transmission lock rod 306 to rotate around the axis of the transmission rotating shaft 3012, the transmission lock rod 306 rotates anticlockwise around the axis of the transmission rotating shaft 3012, in the process of rotating the transmission lock rod 306 anticlockwise, the linkage lock rod 307 movably connected in the guide chute 3061 of the transmission lock rod 306 through the sliding shaft moves along the axial direction of the guide chute 3061, and in the process of moving the linkage lock rod 307, the linkage lock rod 307 rotates around the axis of the rotating shaft lock rod 70, and because one end of the linkage lock rod 307 is fixedly connected with the rotating shaft lock rod 70, the rotating shaft lock rod 70 rotates clockwise;
when the rotation shaft lock lever 70 rotates clockwise, as shown in fig. 10 and 11, the clamping plate 701 of the rotation shaft lock lever 70 is separated from the pressing surface 8011 of the pressure receiving plate 801, at this time, the protective door 80 can be lifted upwards so that the limit groove 802 of the protective door 80 is separated from the clamping block 501 of the door baffle 50, and then the protective door 80 rotates outwards around the rotation shaft rotationally connected with the box 10, so as to realize the opening of the protective door 80;
after the protective door 80 is opened, as shown in fig. 10, 11 and 12, the compression plate 801 of the protective door 80 releases the compression of the telescopic shaft 602, the telescopic shaft 602 is reset by the second reset spring 603, so that one end of the telescopic shaft 602 extends out of the surface of the guide plate 601, and one end of the telescopic shaft 602 extending out of the surface of the guide plate 601 is overlapped on the rotating track of the clamping plate 701 of the rotating shaft lock rod 70, so that when the protective door 80 does not form a closed environment with the box 10, the handle 309 cannot rotate to an energizing indication mark, and the box 10 is ensured to be in a power-off state.
When the protective door 80 needs to be closed, the protective door 80 is manually rotated, so that the limiting groove 802 of the protective door 80 corresponds to the clamping block 501 of the door baffle 50, then the protective door 80 descends, so that the limiting groove 802 is buckled with the clamping block 501, meanwhile, the pressure receiving plate 801 of the protective door 80 presses the telescopic shaft 602, so that the telescopic shaft 602 moves downwards, then the handle 309 is manually rotated, so that the handle 309 rotates from the original power-off indication mark to the power-on indication mark, in the process of manually rotating the handle 309, the interlocking assembly 30 and the rotating shaft locking rod 70 repeat the opposite steps and the rotating directions, when the limiting groove 30101 of the eccentric piece 3010 is buckled with the limiting shaft 308 again, the blocking piece 302 is reset to the original position to be in the vertical state, then the locking knob 202 is manually pulled to reset the locking knob 202, the locking end disc 2022 of the locking knob 202 is buckled with the blocking edge 3021 of the blocking piece 302 again, locking of the interlocking assembly 30 is achieved, and the protective door 80 and the box 10 are prevented from being closed by misoperation of the interlocking assembly 30.
While the foregoing has been described in terms of illustrative embodiments thereof, so that those skilled in the art may appreciate the present application, it is not intended to be limited to the precise embodiments so that others skilled in the art may readily utilize the present application to its various modifications and variations which are within the spirit and scope of the present application as defined and determined by the appended claims.
Claims (6)
1. The utility model provides a mining explosion proof box with safety interlocking mechanism, includes box, guard gate, and the guard gate rotates to be connected in one side of box, its characterized in that: a door baffle is fixedly arranged on the front surface of the box body, a clamping block is fixedly arranged on the bottom end side surface of the door baffle, a gap is reserved between the clamping block and the door baffle, a locking mounting hole is formed in the surface of one side of the box body adjacent to the door baffle, a locking assembly is arranged in the locking mounting hole, an interlocking mounting hole is formed in one side of the box body below the locking mounting hole, an interlocking assembly is movably arranged in the interlocking mounting hole, and the locking assembly can lock and limit the interlocking assembly;
the inner bottom surface of the box body is fixedly provided with a shaft seat close to the door baffle, the inner part of the shaft seat is coaxially and movably connected with a rotating shaft lock rod, the outer peripheral surface of the rotating shaft lock rod is provided with a clamping plate, and the joint of the box body and the door baffle is provided with a limiting component;
the interlock assembly includes: the interlocking rotary shaft is rotatably arranged in the interlocking mounting hole, a handle is arranged at one end of the interlocking rotary shaft facing the outside of the box body, an eccentric piece is coaxially arranged at one end of the interlocking rotary shaft facing the inside of the box body, a baffle piece is coaxially arranged at one end of the interlocking rotary shaft and positioned at one side of the eccentric piece, the baffle piece can be mutually matched with the locking component to limit the position of the interlocking component, a lock rod mounting seat is fixedly arranged on the inner wall surface of the box body at one side of the interlocking rotary shaft, a switch lock rod is movably arranged in the lock rod mounting seat, an opening groove is formed at one end of the switch lock rod facing the eccentric piece, the opening groove is sleeved outside the eccentric piece, a pressure spring is sleeved between the periphery of one end of the switch lock rod with the opening groove and the lock rod mounting seat through a clamp spring, a transmission lock rod is rotatably connected at the other end of the switch lock rod, one side surface of the transmission lock rod is rotatably connected with the inner wall surface of the box body through the transmission rotary shaft, a waist-shaped guide chute is formed at one end of the transmission lock rod, a linkage lock rod is movably connected with the sliding shaft through a sliding shaft in the guide chute, and one end of the linkage lock rod is fixedly connected with the outer peripheral surface of the rotation shaft;
the spacing subassembly includes: the telescopic shaft, the deflector, the fixed internal surface that sets up at the door deflector, the telescopic shaft activity sets up in the spacing erection column of bottom surface in the box, and the one end activity of telescopic shaft stretches into the inside of deflector, is provided with the bulge loop at the outer peripheral surface of telescopic shaft, is provided with the second reset spring between bulge loop and spacing erection column, can carry out the position limitation to the pivot locking lever when the telescopic shaft stretches out the surface of deflector.
2. The mining explosion-proof box with the safety interlocking mechanism, according to claim 1, characterized in that a pressure receiving plate is fixedly arranged on the surface of one side of the protective door facing the inside of the box body, an arc-shaped extrusion surface is arranged at one end of the pressure receiving plate, a limit groove is arranged on the bottom surface of the protective door, and the limit groove is matched with the clamping block.
3. The mining explosion suppression box with a safety interlocking mechanism according to claim 1, wherein a protruding arc-shaped flange is arranged at one end of the baffle.
4. The mining explosion-proof box with the safety interlocking mechanism according to claim 1, wherein one side of the eccentric piece, which faces the switch lock rod, is provided with an ellipse, the other side of the eccentric piece, which is far away from the switch lock rod, is provided with a limit groove, the limit groove is matched with a limit shaft on the inner wall surface of the box body, a tension spring is fixedly connected to the surface of the transmission lock rod, and one end of the tension spring is fixedly connected with the inner wall surface of the door baffle plate.
5. A mining flameproof box with a safety interlock mechanism according to claim 3, wherein the latching assembly comprises: the locking installation seat is fixedly arranged on the inner wall surface of the box body and is coaxial with the locking installation hole, a locking knob is movably arranged in the locking installation seat in a coaxial mode, one end of the locking knob, extending out of the locking installation seat, is arranged to be a reducing end, a locking end disc is arranged at the reducing end of the locking knob, the diameter of the locking end disc is larger than that of the reducing end of the locking knob, and the outer peripheral surface of the locking end disc is matched with the arc-shaped retaining edge of the retaining piece.
6. The mining explosion-proof box with the safety interlocking mechanism according to claim 5, wherein two locking clamping grooves which are uniformly arranged are formed in the outer peripheral surface of the locking knob, two symmetrical limit mounting holes are formed in the locking mounting seat, limit screws are correspondingly connected in the two limit mounting holes in a threaded mode respectively, first reset springs are arranged at one ends of the two limit screws, facing the locking knob, of the two limit screws, balls are arranged at one ends of the first reset springs, and the outer peripheral surfaces of the balls are embedded into the corresponding locking clamping grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320296636.XU CN219478281U (en) | 2023-02-23 | 2023-02-23 | Mining explosion-proof box with safety interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320296636.XU CN219478281U (en) | 2023-02-23 | 2023-02-23 | Mining explosion-proof box with safety interlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219478281U true CN219478281U (en) | 2023-08-04 |
Family
ID=87465518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320296636.XU Active CN219478281U (en) | 2023-02-23 | 2023-02-23 | Mining explosion-proof box with safety interlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219478281U (en) |
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2023
- 2023-02-23 CN CN202320296636.XU patent/CN219478281U/en active Active
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