CN219932255U - Mining explosion-proof area alarm device - Google Patents
Mining explosion-proof area alarm device Download PDFInfo
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- CN219932255U CN219932255U CN202321355011.2U CN202321355011U CN219932255U CN 219932255 U CN219932255 U CN 219932255U CN 202321355011 U CN202321355011 U CN 202321355011U CN 219932255 U CN219932255 U CN 219932255U
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- hole
- explosion
- proof
- alarm device
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- 238000005065 mining Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 239000011521 glass Substances 0.000 claims description 8
- 238000002788 crimping Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 7
- 238000004891 communication Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses a mining explosion-proof area alarm device with better waterproofness and sealing performance and convenient installation. The technical scheme adopted comprises the following steps: the box, establish network controller, switch in the box, the box include the framework, weld in the bottom plate of framework bottom, weld in the flange at framework top and install through a set of screw rod panel on the flange, be equipped with a set of through wires hole on two sides of setting relatively among them of framework, the framework lateral surface corresponds through wires hole position department is equipped with explosion-proof joint assembly, explosion-proof joint assembly includes cylindricality joint, lock nut, cylindricality seal body and end cap, the cylindricality joint weld in the framework lateral surface, and be equipped with and be greater than the first through-hole of through wires hole aperture, the cylindricality seal body is in with interference fit's mode setting in the cylindricality joint, and be equipped with be less than the second through-hole of through wires hole aperture, the end cap the cylindricality seal body rear end, and the cross-section be "T" shape.
Description
Technical Field
The utility model relates to mining equipment, in particular to a regional alarm device.
Background
The regional alarm device is a safety device capable of giving an alarm when a worker mistakenly enters a dangerous working region. The structure mainly comprises an induction device, an audible and visual alarm device, a data transmission network and the like, wherein the data transmission network comprises a network controller, a switch and the like. When the area alarm device is applied to dangerous places such as mines, the area alarm device is required to have an explosion-proof function, and therefore network equipment such as a network controller and a switch is required to be installed in an explosion-proof box. The structure of traditional explosion-proof box comprises the framework, the bottom plate of welding in the framework bottom, the flange of welding at the framework top and install the panel on the flange through a set of screw rod, is equipped with a set of through wires hole on the side of two of them relative settings of framework, has the cylindricality to connect in the outside welding of through wires hole. The external cable or communication wire is penetrated through the cylindrical joint and the threading hole and enters the box body, and is in sealing fit with the insulating layer of the cable or communication wire through the cylindrical joint. The defect of poor sealing performance exists, and the empty cylindrical joint is not provided with a special plug, so that inconvenience is brought to actual operation; in addition, traditional network controller, switch pass through the screw rod to be fixed in the box bottom, and installation and maintenance are comparatively inconvenient.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the mining explosion-proof area alarm device which is better in waterproofness and tightness and convenient to install.
In order to solve the problems, the technical scheme adopted by the utility model comprises the following steps: the box, establish network controller, switch in the box, the box include the framework, weld in the bottom plate of framework bottom, weld in the flange at framework top and install through a set of screw rod panel on the flange, be equipped with a set of through wires hole on the side of two of them relative settings of framework, its characterized in that: the anti-explosion connector assembly comprises a cylindrical connector, a locking nut, a cylindrical sealing body and a plug, wherein the cylindrical connector is welded on the outer side face of the frame and is provided with a first through hole larger than the aperture of the threading hole, the cylindrical sealing body is arranged in the cylindrical connector in an interference fit mode and is provided with a second through hole smaller than the aperture of the threading hole, the plug is plugged at the rear end of the cylindrical sealing body, the cross section of the plug is in a T shape, the locking nut is in threaded connection with the rear end of the cylindrical connector, the front end of the locking nut presses the plug, the locking nut is provided with a third through hole larger than the aperture of the second through hole, and the end part of the third through hole is provided with a bell mouth.
The mining explosion-proof area alarm device is characterized in that: the two ends of the cylindrical sealing body are provided with gaskets, and the gaskets are provided with fourth through holes larger than the second through holes.
The mining explosion-proof area alarm device is characterized in that: the threading hole, the first through hole, the second through hole, the third through hole and the fourth through hole are concentrically arranged.
The mining explosion-proof area alarm device is characterized in that: the bottom plate is provided with a clamping rail, the bottom of the network controller is provided with a buckle clamped with the clamping rail, the front end of the buckle is provided with a first clamping groove, the rear end of the buckle is provided with a second clamping groove, the upper end of the first clamping groove is provided with a first guide surface which is obliquely arranged, the lower end of the first clamping groove is provided with supporting feet, and the lower end of the second clamping groove is provided with a second guide surface which is obliquely arranged.
The mining explosion-proof area alarm device is characterized in that: the front end of the plug is in interference fit with the cylindrical sealing body.
The mining explosion-proof area alarm device is characterized in that: the panel center is equipped with the observation window, the panel inboard is equipped with by the recess that the observation window extends, through the recess is equipped with explosion-proof glass, explosion-proof glass carries out the crimping through clamping ring and screw rod cooperation and fixes.
The mining explosion-proof area alarm device is characterized in that: and L-shaped mounting lug plates are arranged on two sides of the box body.
The mining explosion-proof area alarm device has the advantages that: 1. when wire inlet or wire outlet is needed, the T-shaped plug of the explosion-proof joint assembly is taken down, a cable or a communication wire passes through the lock nut, the cylindrical joint, the cylindrical sealing body and the wire hole to enter the box body, and the insulating layer of the cable or the communication wire is sealed under the combined action of the lock nut, the cylindrical joint and the cylindrical sealing body, so that the sealing and waterproof performance can be greatly improved, the idle explosion-proof joint assembly is provided with the plug, and the explosion-proof joint assembly also has the sealing and waterproof performance under the condition of no wire inlet; 2. the network controller is installed through the cooperation of buckle and card rail, and installation and maintenance are more convenient.
The utility model is further described below with reference to the drawings.
Drawings
FIG. 1 is a schematic diagram of the mining explosion-proof area alarm device;
FIG. 2 is a cross-sectional view of the mining explosion-proof area alarm device of the present utility model, showing the installation structure of the network controller;
FIG. 3 is a cross-sectional view of the mining explosion-proof area alarm device of the present utility model, showing the mounting structure of the explosion-proof joint assembly;
FIG. 4 is an exploded view of the explosion proof joint assembly of the present utility model;
FIG. 5 is a cross-sectional view of the explosion proof joint assembly of the present utility model;
FIG. 6 is a schematic view of the structure of the frame of the present utility model;
fig. 7 is a schematic view of the structure of the buckle and the clamping rail of the present utility model.
Detailed Description
Referring to fig. 1 to 7, the mining explosion-proof area alarm device of the utility model comprises a box body 1, a network controller 2 and a switch 3 which are arranged in the box body 1. The box 1 comprises a frame 4, a bottom plate 5 welded at the bottom of the frame 4, a flange 6 welded at the top of the frame 4, and a panel 8 mounted on the flange 6 through a set of screws 7. Two of the opposite side surfaces of the frame body 4 are provided with a group of threading holes 9, wherein the threading hole 9 on one surface is used for wire inlet, and the threading hole 9 on the other surface is used for wire outlet. An explosion-proof joint assembly 10 is arranged on the outer side surface of the frame body 4 at a position corresponding to the threading hole 9, and the explosion-proof joint assembly 10 comprises a cylindrical joint 11, a locking nut 12, a cylindrical sealing body 13 and a plug 34. The cylindrical connector 11 is welded to the outer side face of the frame body 4, and the cylindrical connector 11 is provided with a first through hole 14 larger than the diameter of the threading hole 9. The cylindrical sealing body 13 is arranged in the cylindrical joint 11 in an interference fit manner, the cylindrical sealing body 13 is provided with a second through hole 15 smaller than the diameter of the threading hole 9, and the cylindrical sealing body 13 is made of silica gel. The plug 34 is plugged at the rear end of the cylindrical sealing body 13, the cross section of the plug 34 is T-shaped, and the plug 34 is a metal or plastic piece. The lock nut 12 is in threaded connection with the rear end of the cylindrical joint 11, the front end of the lock nut 12 presses the plug 34, a third through hole 16 larger than the second through hole 15 is formed in the lock nut 12, a horn mouth 17 is formed in the end portion of the third through hole 16, and the penetration of a cable is facilitated through the horn mouth 17. After the cable enters the box body, the locking nut 12 is pressed on the cylindrical sealing body 13 by tightening the locking nut 12, and the cylindrical sealing body 13 is deformed by pressing, so that the cable can be tightly wrapped on the insulating layer on the surface of the cable.
Preferably, gaskets 18 are disposed at two ends of the cylindrical sealing body 13, the gaskets 18 are provided with fourth through holes 19 larger than the second through holes 15, and when the cylindrical sealing body 13 is extruded, the gaskets 18 are disposed, so that stress is more uniform, and the cylindrical sealing body 13 can be more uniformly wrapped on the surface of the cable after being extruded and deformed.
Preferably, the threading hole 9, the first through hole 14, the second through hole 15, the third through hole 16 and the fourth through hole 19 are concentrically arranged, so that the wire is easier to be led in, and the sealing effect is optimal.
Preferably, the bottom plate 5 is provided with a clamping rail 20, the bottom of the network controller 2 is provided with a clamping buckle 21 clamped with the clamping rail 20, the front end of the clamping buckle 21 is provided with a first clamping groove 22, the rear end of the clamping buckle 21 is provided with a second clamping groove 23, the upper end of the first clamping groove 22 is provided with a first guiding surface 24 which is obliquely arranged, the lower end of the first clamping groove 22 is provided with a supporting leg 25, and the lower end of the second clamping groove 23 is provided with a second guiding surface 26 which is obliquely arranged. During installation, the buckle 21 is installed in the clamping rail 20 in an inclined mode, so that the clamping foot at the front end of the clamping rail 20 slides into the first clamping groove 22 through the first guide surface 24, then the rear end of the buckle 21 is pressed down (the front end of the buckle 21 is deformed and lifted up along with the deformation), and the clamping foot at the rear end of the clamping rail 20 slides into the second clamping groove 23 through the second guide surface 26, so that the installation is completed, and the operation is more convenient.
Preferably, the front end of the plug 34 is in interference fit with the cylindrical sealing body 13, so as to further improve the sealing effect.
Preferably, an observation window 29 is arranged at the center of the panel 8, a groove 30 extending from the observation window 29 is arranged at the inner side of the panel 8, an explosion-proof glass 31 is arranged through the groove 30, and the explosion-proof glass 31 is in pressure connection and fixation through the cooperation of a pressing ring 32 and a screw 7, so that the explosion-proof installation of the explosion-proof glass 31 is realized. By providing the viewing window 29 and the explosion-proof glass 31, the operation state of the equipment in the box can be conveniently observed.
Preferably, the two sides of the case 1 are provided with an L-shaped mounting lug 33 to facilitate the mounting of the case 1.
Although the present utility model has been described with respect to preferred embodiments, it will be understood by those skilled in the art that various changes and modifications can be made without departing from the scope of the utility model, and the utility model is not limited to the specific embodiments described above, but is intended to cover all modifications, equivalents and alternatives falling within the scope of the utility model.
Claims (7)
1. The utility model provides a mining explosion-proof area alarm device, includes box (1), establishes network controller (2) in box (1), switch (3), box (1) include framework (4), weld in bottom plate (5) of framework (4) bottom, weld in flange (6) at framework (4) top and install through a set of screw rod (7) panel (8) on flange (6), be equipped with a set of through wires hole (9) on the side of two of them relative settings of framework (4), its characterized in that: the explosion-proof connector assembly (10) is arranged at the position, corresponding to the threading hole (9), of the outer side face of the frame body (4), the explosion-proof connector assembly (10) comprises a cylindrical connector (11), a locking nut (12), a cylindrical sealing body (13) and a plug (34), the cylindrical connector (11) is welded to the outer side face of the frame body (4) and is provided with a first through hole (14) larger than the aperture of the threading hole (9), the cylindrical sealing body (13) is arranged in the cylindrical connector (11) in an interference fit mode and is provided with a second through hole (15) smaller than the aperture of the threading hole (9), the plug (34) is plugged at the rear end of the cylindrical sealing body (13) and is in a T-shaped in section, the locking nut (12) is in threaded connection with the rear end of the cylindrical connector (11) and the front end of the plug (34), the locking nut (12) is provided with a third through hole (16) larger than the aperture of the second through hole (15), and the end part of the third through hole (16) is provided with a horn mouth (17).
2. The mining explosion-proof area alarm device according to claim 1, wherein: gaskets (18) are arranged at two ends of the cylindrical sealing body (13), and fourth through holes (19) larger than the second through holes (15) are formed in the gaskets (18).
3. The mining explosion-proof area alarm device according to claim 2, wherein: the threading hole (9), the first through hole (14), the second through hole (15), the third through hole (16) and the fourth through hole (19) are concentrically arranged.
4. The mining explosion-proof area alarm device according to claim 1, wherein: the method is characterized in that: establish on bottom plate (5) at clamping rail (20), network controller (2) bottom be equipped with buckle (21) of clamping rail (20) joint, buckle (21) front end is equipped with first draw-in groove (22), rear end are equipped with second draw-in groove (23), first draw-in groove (22) upper end is equipped with first guide surface (24) that the slope set up, the lower extreme is equipped with supporting legs (25), second draw-in groove (23) lower extreme is equipped with second guide surface (26) that the slope set up.
5. The mining explosion-proof area alarm device according to claim 1, wherein: the front end of the plug (34) is in interference fit with the cylindrical sealing body (13).
6. The mining explosion-proof area alarm device according to claim 1, wherein: the panel (8) center is equipped with observation window (29), panel (8) inboard be equipped with by recess (30) that observation window (29) extended is equipped with explosion-proof glass (31) through recess (30), explosion-proof glass (31) are fixed through clamping ring (32) and screw rod (7) cooperation crimping.
7. The mining explosion-proof area alarm device according to claim 1, wherein: two sides of the box body (1) are provided with L-shaped mounting lug plates (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321355011.2U CN219932255U (en) | 2023-05-31 | 2023-05-31 | Mining explosion-proof area alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321355011.2U CN219932255U (en) | 2023-05-31 | 2023-05-31 | Mining explosion-proof area alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219932255U true CN219932255U (en) | 2023-10-31 |
Family
ID=88490568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321355011.2U Active CN219932255U (en) | 2023-05-31 | 2023-05-31 | Mining explosion-proof area alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219932255U (en) |
-
2023
- 2023-05-31 CN CN202321355011.2U patent/CN219932255U/en active Active
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