CN218120780U - Novel combined type is explosion-proof device - Google Patents
Novel combined type is explosion-proof device Download PDFInfo
- Publication number
- CN218120780U CN218120780U CN202222731558.XU CN202222731558U CN218120780U CN 218120780 U CN218120780 U CN 218120780U CN 202222731558 U CN202222731558 U CN 202222731558U CN 218120780 U CN218120780 U CN 218120780U
- Authority
- CN
- China
- Prior art keywords
- explosion
- proof
- cover
- worm
- gear reduction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Manipulator (AREA)
Abstract
The utility model discloses a novel combined type explosion-proof equipment relates to the relevant technical field of explosion-proof equipment: including the explosion-proof body, explosion-proof body inside has seted up upper end open-ended explosion-proof chamber, it is provided with explosion-proof lid to correspond opening position department activity on the explosion-proof body, the explosion-proof body is including setting up the nonmetal layer in the inboard, setting up the metal supporting layer in the outside, and the explosion-proof external form design is for ball-type, cylinder type, hemisphere type etc. and the explosion-proof body material comprises metal and novel non-metallic composite that the antiknock performance is excellent for single metal breakthrough's design, has reduced the weight of whole equipment on the one hand, can guarantee simultaneously that just soft is in good order furthest's shock wave and piece carry out the separation when the explosion.
Description
Technical Field
The utility model relates to a relevant technical field of explosion-proof equipment, concretely relates to novel combined type is explosion-proof device.
Background
The explosion-proof tank or the explosion-proof ball is an important protection device in the process of transferring explosives in other places, and can effectively inhibit the killing power of explosion. The method is suitable for security inspection of public security, airports, railway stations, customs, important places and large-scale activities. The prior explosion-proof tank or explosion-proof ball has the following defects in the actual explosion-proof use process: the single metal material is made, so that the whole weight is heavier, the movement is inconvenient, and the single material composition can only exert the single performance, so the comprehensive performance of the explosion-proof capability is lower, and the safety problem is brought.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the embodiment of the utility model provides a novel combined type explosion-proof device, this scheme explosion-proof body material comprises metal and novel non-metallic composite that antiknock performance is excellent by the design of single metal breakthrough, has reduced the weight of whole equipment on the one hand, can guarantee simultaneously that just soft makes up furthest's shock wave and piece when exploding and carry out the separation.
The embodiment of the utility model provides a in order to realize above-mentioned purpose, specifically adopt following technical scheme: the utility model provides a novel combined type explosion-proof device, includes the explosion-proof body, the explosion-proof internal portion sets up upper end open-ended explosion-proof chamber, it is provided with explosion-proof lid, its characterized in that to correspond open position department activity on the explosion-proof body: the explosion-proof body comprises a non-metal layer arranged on the inner side and a metal supporting layer arranged on the outer side.
In order to further optimize the utility model discloses, can prefer to choose following technical scheme:
preferably, the non-metal layer is an aramid fiber layer or a high-strength high-modulus polyethylene fiber layer, and the metal support layer is a steel material layer.
Preferably, the explosion-proof body is an explosion-proof ball body, the explosion-proof cover is rotatably arranged at the inner top of the explosion-proof ball body, an opening and closing mechanism used for driving the explosion-proof cover to rotate is arranged on the explosion-proof ball body, the opening and closing mechanism comprises a first supporting seat, a first worm and gear reduction box, a first driving motor, a first large winding disc, a first transition winding wheel and a first flexible connecting piece, the first supporting seat is arranged on the outer side wall of the explosion-proof ball body, the first worm and gear reduction box is arranged on the first supporting seat, the first driving motor is arranged on an input shaft of the first worm and gear reduction box, the first large winding disc is arranged on an output shaft of the first worm and gear reduction box, a first hanging part extending towards the explosion-proof ball body is arranged on the first supporting seat, the first transition winding wheel is rotatably arranged on the first hanging part, a fixed end of the first flexible connecting piece is wound on the first winding disc, a free end of the first flexible connecting piece bypasses the transition winding wheel and is hinged to the outer side wall of the explosion-proof cover, and a first limiting plate used for limiting the rotation angle of the explosion-proof cover is arranged at the bottom of the explosion-proof ball body.
Preferably, the explosion-proof body is an explosion-proof hemisphere, the movable cover of the explosion-proof cover is arranged at the top of the explosion-proof hemisphere, and the explosion-proof hemisphere is provided with a lifting driving mechanism for driving the explosion-proof cover to lift.
Preferably, lift drive mechanism is including setting up the support frame at explosion-proof hemispheroid top position, the articulated actuating lever that is provided with on the support frame, the actuating lever middle part sets up on the support frame through the pivot is articulated, actuating lever one end extends to the position directly over the explosion-proof cover, the spring hinge explosion-proof cover is passed through to the one end that the actuating lever corresponds the explosion-proof cover position, be provided with the gag lever post on the lateral wall of the relative other end of actuating lever, butt joint actuating lever one side position is articulated to be provided with the limiting plate on the support frame, be provided with on the limiting plate with gag lever post complex opening draw-in groove.
Preferably, the explosion-proof body is an explosion-proof hemisphere, and one end of the explosion-proof cover is hinged to the top of the explosion-proof hemisphere.
Preferably, the explosion-proof body is a cylindrical explosion-proof tank body, one end of the explosion-proof cover is hinged to the top of the explosion-proof tank body, and a hemispherical shell type supporting plate is arranged at the bottom in the explosion-proof tank body.
Preferably, the explosion-proof body is a cylindrical explosion-proof tank body, the explosion-proof cover is rotatably arranged at the top in the explosion-proof tank body, a rotary driving mechanism used for driving the explosion-proof cover to rotate is arranged outside the explosion-proof tank body, the rotary driving mechanism comprises a second supporting seat, a second worm gear reduction box, a second driving motor, a second large winding disc, a second transition winding wheel and a second flexible connecting piece, the second supporting seat is arranged on the outer side wall of the explosion-proof tank body, the second worm gear reduction box is arranged on the second supporting seat, the second driving motor is arranged on an input shaft of the second worm gear reduction box, the second large winding disc is arranged on an output shaft of the second worm gear reduction box, a second hanging part extending towards the explosion-proof ball body is arranged on the second supporting seat, the second transition winding wheel is rotatably arranged on the second hanging part, the fixed end of the second flexible connecting piece is wound on the large winding disc, the free end of the second flexible connecting piece bypasses the transition winding wheel and is hinged to the outer side wall of the explosion-proof cover, and a second limiting plate used for limiting the rotation angle of the explosion-proof cover is arranged at the bottom of the explosion-proof tank body.
The embodiment of the utility model provides a beneficial effect does:
(1) The flexibility of the product is obviously improved, and the product has the obvious characteristic of light weight on the premise of the same anti-knock equivalent. The movable type metal material conveying device has the advantages that the movable type metal material conveying device is convenient and fast to move, a single person can easily realize transfer, and the defects that the whole weight is heavier and the movement is inconvenient due to the fact that the original single metal material is manufactured are overcome.
(2) The safety of the product is remarkably improved, and the composite design application of different rigid and flexible materials in the material of the explosion-proof body enables the materials to fully exert respective special performance, for example, more energy absorption and buffering of flexible materials, and the rigid metal material has more remarkable explosion resistance and provides integral supporting rigidity.
Drawings
Fig. 1 is a structural schematic view of an open state of the composite explosion-proof ball in embodiment 1;
FIG. 2 is a schematic structural diagram of a closed state of the composite explosion-proof ball in embodiment 1;
FIG. 3 is a schematic view of a composite structure of the vent body;
FIG. 4 is a schematic structural view of the composite explosion-proof hemisphere in embodiment 2;
FIG. 5 is a schematic view of a composite explosion-proof hemisphere shown in embodiment 3;
FIG. 6 is a schematic structural view of a composite explosion-proof tank in example 4;
fig. 7 is a schematic structural view of a composite explosion-proof tank in example 5.
In the figure: 1. an explosion-proof body; 2. an explosion-proof cover; 3. a non-metal layer, 4, a metal supporting layer; 5. an explosion-proof cavity; 6. the first supporting seat 7 and the first worm gear reduction box; 8. driving a motor I; 9. a first large winding disc; 10. a first transition winding wheel; 11. a first flexible connecting piece; 12. a first limiting plate; 13. a support frame; 14. a drive rod; 15. a limiting rod; 16. a limiting plate; 17. an open neck; 18. a hemispherical shell type support plate; 19. the first supporting seat 20 and the first worm gear reduction box; 21. a first driving motor; 22. a large winding disc I; 23. a first transition winding wheel; 24. a first flexible connecting piece; 25. and a second limiting plate.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
Example 1:
as shown in fig. 1-3, a novel combined explosion-proof device comprises an explosion-proof body 1, an explosion-proof cavity 5 with an upper end opening is arranged in the explosion-proof body 1, an explosion-proof cover 2 is movably arranged at a position corresponding to the opening on the explosion-proof body, and the explosion-proof body comprises a nonmetal layer 3 arranged at the inner side and a metal supporting layer 4 arranged at the outer side. Wherein the nonmetal layer is an aramid fiber layer or a high-strength high-modulus polyethylene fiber layer, and the metal supporting layer is a steel material layer; at present, the high-performance fibers widely used for bulletproof materials are mainly aramid fibers and high-strength high-modulus polyethylene fibers. The aramid fiber is called aromatic polyamide fiber and is a novel synthetic fiber with special purpose. Ultra high molecular weight polyethylene (UHMW-PE): the ultra-high molecular weight polyethylene (UHMWPE) is polyethylene with molecular weight of more than 100 ten thousand. The molecular formula is as follows: - (CH 2-CH 2) -n-, density: 0.936-0.964 g/cm3. The heat distortion temperature (0.46 MPa) is 85 ℃, and the melting point is 130-136 ℃. Is a linear polyethylene having a much higher molecular weight than standard PE, providing excellent abrasion resistance, excellent impact resistance, non-sticking and self-lubricating properties, and excellent mechanical properties even under low temperature conditions. In the embodiment, the explosion-proof body is an explosion-proof ball body, the explosion-proof cover is rotatably arranged at the top in the explosion-proof ball body, an opening and closing mechanism for driving the explosion-proof cover to rotate is arranged on the explosion-proof ball body, and comprises a first supporting seat 6, a first worm and gear reduction box 7, a first driving motor 8, a first large winding disc 9, a first transition winding wheel 10 and a first flexible connecting piece 11, the first supporting seat is arranged on the outer side wall of the explosion-proof ball body, the first worm and gear reduction box is arranged on the first supporting seat, the first driving motor is arranged on an input shaft of the first worm and gear reduction box, the first large winding disc is arranged on an output shaft of the first worm and gear reduction box, the first supporting seat is provided with a first hanging part extending towards the explosion-proof ball body, the first transition winding wheel is rotatably arranged on the first hanging part, a fixed end of the first flexible connecting piece is wound on the first large winding disc, a free end of the first flexible connecting piece is hinged on the outer side wall of the explosion-proof cover, and a first limiting plate 12 for limiting the rotation angle of the explosion-proof cover is arranged at the bottom of the explosion-proof ball body; the explosion-proof device is simple in opening and closing structure, rapid and reliable in action, free of training and maintenance, and the opening and closing time of the structure is about 10 seconds, so that the time of the explosion-proof tank when suspicious explosives are filled is greatly reduced, and the safety of explosion-proof personnel is effectively improved.
The flexibility of the product is obviously improved, and the product has the obvious characteristic of light weight on the premise of the same anti-knock equivalent. The movable type metal material conveying device has the advantages that the movable type metal material conveying device is convenient and fast to move, a single person can easily realize transfer, and the defects that the whole weight is heavier and the movement is inconvenient due to the fact that the original single metal material is manufactured are overcome. In addition, the safety of the product is remarkably improved, and the composite design application of different rigid and flexible materials in the material of the explosion-proof body enables the materials to fully exert respective special performance, for example, more energy absorption and buffering of flexible materials, and the rigid metal material has more remarkable explosion resistance and provides integral supporting rigidity.
Example 2:
as shown in fig. 4, the present embodiment is different from embodiment 1 in that: the explosion-proof body is an explosion-proof hemisphere, the movable cover of the explosion-proof cover is arranged at the top of the explosion-proof hemisphere, and the explosion-proof hemisphere is provided with a lifting driving mechanism for driving the explosion-proof cover to lift; the lifting driving mechanism comprises a supporting frame 13 installed at the top of the explosion-proof hemispheroid, a driving rod 14 is installed on the supporting frame in a hinged mode, the middle of the driving rod is installed on the supporting frame in a hinged mode through a rotating shaft, one end of the driving rod extends to a position right above the explosion-proof cover, one end, corresponding to the position of the explosion-proof cover, of the driving rod is hinged to the explosion-proof cover through a spring, a limiting rod 15 is installed on the side wall of the opposite other end of the driving rod, a limiting plate 16 is installed on the supporting frame in a hinged mode in a position on one side of the driving rod in a butt joint mode, and an opening clamping groove 17 matched with the limiting rod is installed on the limiting plate.
Example 3:
as shown in fig. 5, the present embodiment is different from embodiment 1 in that: the explosion-proof body is an explosion-proof hemisphere, and one end of the explosion-proof cover is hinged to the top of the explosion-proof hemisphere; the explosion-proof cover is used for sealing an explosion-proof cavity inside the explosion-proof hemispheroid, and the explosion-proof hemispheroid is sealed through the explosion-proof cover, so that the force diffusion of the explosion pressure of an internal explosive is reduced.
Example 4:
as shown in fig. 6, the present embodiment is different from embodiment 1 in that: in the embodiment, the explosion-proof body 1 is designed into a cylindrical explosion-proof tank body, one end of an explosion-proof cover is hinged to the top of the explosion-proof tank body, and a hemispherical shell type supporting plate 18 is arranged at the bottom in the explosion-proof tank body.
Example 5:
as shown in fig. 7, the present embodiment is different from embodiment 1 in that: in the embodiment, the explosion-proof body 1 is designed into a cylindrical explosion-proof tank body, wherein the explosion-proof cover is rotatably arranged at the top in the explosion-proof tank body, a rotary driving mechanism for driving the explosion-proof cover to rotate is arranged outside the explosion-proof tank body, the rotary driving mechanism comprises a second supporting seat 19, a second worm and gear reduction box 20, a second driving motor 21, a second large winding disc 22, a second transition winding wheel 23 and a second flexible connecting piece 24, the second supporting seat is arranged on the outer side wall of the explosion-proof tank body, the second worm and gear reduction box is arranged on the second supporting seat, the second driving motor is arranged on an input shaft of the second worm and gear reduction box, the second large winding disc is arranged on an output shaft of the second worm and gear reduction box, the second supporting seat is provided with a second hanging part extending towards the explosion-proof ball body, the second transition winding wheel is rotatably arranged on the second hanging part, the fixed end of the second flexible connecting piece is wound on the large winding disc, the free end of the second flexible connecting piece is hinged on the outer side wall of the explosion-proof cover by bypassing the transition winding wheel, a second limiting plate 25 for limiting the rotation angle of the explosion-proof cover is arranged at the bottom of the explosion-proof tank body, and the embedded explosion-proof tank body is driven by the rotary driving mechanism, so as to improve the flexibility of the integral operation; the explosion-proof device is simple in opening and closing structure, rapid and reliable in action, free of training and maintenance, and the opening and closing time of the structure is about 10 seconds, so that the time of the explosion-proof tank when suspicious explosives are filled in the explosion-proof tank is greatly reduced, and the safety of explosion-proof personnel is effectively improved.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel combined type explosion-proof device, includes the explosion-proof body, the explosion-proof internal portion has seted up upper end open-ended explosion-proof chamber, it is provided with explosion-proof lid, its characterized in that to correspond the activity of open position department on the explosion-proof body: the explosion-proof body comprises a non-metal layer arranged on the inner side and a metal supporting layer arranged on the outer side.
2. The novel composite explosion-proof device of claim 1, wherein: the non-metal layer is an aramid fiber layer or a high-strength high-modulus polyethylene fiber layer, and the metal supporting layer is a steel material layer.
3. The novel composite explosion-proof device of claim 1, wherein: the explosion-proof cover is arranged at the inner top of the explosion-proof sphere in a rotating mode, an opening and closing mechanism used for driving the explosion-proof cover to rotate is arranged on the explosion-proof sphere and comprises a first supporting seat, a first worm and gear reduction box, a first driving motor, a first large winding disc, a first transition winding wheel and a first flexible connecting piece, the first supporting seat is arranged on the outer side wall of the explosion-proof sphere body, the first worm and gear reduction box is arranged on the first supporting seat, the first driving motor is arranged on an input shaft of the first worm and gear reduction box, the first large winding disc is arranged on an output shaft of the first worm and gear reduction box, a first hanging portion extending towards the explosion-proof sphere body is arranged on the first supporting seat, the first transition winding wheel is rotatably installed on the first hanging portion, a fixed end of the first flexible connecting piece is wound on the first large winding disc, a free end of the first flexible connecting piece bypasses the first transition winding wheel and is hinged to the outer side wall of the explosion-proof cover, and a first limiting plate used for limiting the rotation angle of the explosion-proof cover is arranged at the bottom of the explosion-proof sphere.
4. The novel composite explosion-proof device as set forth in claim 1, wherein: the anti-explosion cover is characterized in that the anti-explosion body is an anti-explosion hemisphere, the anti-explosion cover is movably covered on the top of the anti-explosion hemisphere, and the anti-explosion hemisphere is provided with a lifting driving mechanism for driving the anti-explosion cover to lift.
5. The novel composite explosion-proof device of claim 4, wherein: the lifting driving mechanism comprises a supporting frame arranged at the top of the explosion-proof hemispheroid, a driving rod is hinged to the supporting frame, the middle of the driving rod is hinged to the supporting frame through a rotating shaft, one end of the driving rod extends to a position right above the explosion-proof cover, one end, corresponding to the position of the explosion-proof cover, of the driving rod passes through a spring hinged explosion-proof cover, a limiting rod is arranged on the side wall of the other end, a limiting plate is hinged to one side of the butt-joint driving rod on the supporting frame, and an opening clamping groove matched with the limiting rod is formed in the limiting plate.
6. The novel composite explosion-proof device of claim 1, wherein: the explosion-proof body is an explosion-proof hemisphere, and one end of the explosion-proof cover is hinged to the top of the explosion-proof hemisphere.
7. The novel composite explosion-proof device of claim 1, wherein: the explosion-proof body is a cylindrical explosion-proof tank body, one end of the explosion-proof cover is hinged to the top of the explosion-proof tank body, and a hemispherical shell type supporting plate is arranged at the bottom in the explosion-proof tank body.
8. The novel composite explosion-proof device of claim 1, wherein: the anti-explosion device comprises an anti-explosion body, and is characterized in that the anti-explosion body is a cylindrical anti-explosion tank body, the anti-explosion cover is rotatably arranged at the top in the anti-explosion tank body, a rotary driving mechanism used for driving the anti-explosion cover to rotate is arranged outside the anti-explosion tank body, the rotary driving mechanism comprises a second supporting seat, a second worm and gear reduction box, a second driving motor, a second large winding disc, a second transition winding wheel and a second flexible connecting piece, the second supporting seat is arranged on the outer side wall of the anti-explosion tank body, the second worm and gear reduction box is arranged on the second supporting seat, the second driving motor is arranged on an input shaft of the second worm and gear reduction box, the second large winding disc is arranged on an output shaft of the second worm and gear reduction box, a second suspension part extending towards an anti-explosion ball body is arranged on the second supporting seat, the second transition winding wheel is rotatably arranged on the second suspension part, a fixed end of the second flexible connecting piece is wound on the large winding disc, a free end of the second flexible connecting piece bypasses the transition winding wheel and is hinged to the outer side wall of the anti-explosion cover, and a second limiting plate for limiting the rotation angle of the anti-explosion cover is arranged at the bottom of the anti-explosion tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222731558.XU CN218120780U (en) | 2022-10-16 | 2022-10-16 | Novel combined type is explosion-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222731558.XU CN218120780U (en) | 2022-10-16 | 2022-10-16 | Novel combined type is explosion-proof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218120780U true CN218120780U (en) | 2022-12-23 |
Family
ID=84497390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222731558.XU Active CN218120780U (en) | 2022-10-16 | 2022-10-16 | Novel combined type is explosion-proof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218120780U (en) |
-
2022
- 2022-10-16 CN CN202222731558.XU patent/CN218120780U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218120780U (en) | Novel combined type is explosion-proof device | |
| CN102313499A (en) | Explosion-proof ball | |
| CN201413101Y (en) | Explosive-removal ball opened from inner rotary cover | |
| CN214740881U (en) | Two-way airtight door that opens and shuts for civil air defense engineering | |
| CN114468545B (en) | Data operation device for network and information security software development | |
| CN212436452U (en) | Special heat preservation sealing cover plate device in granary hole | |
| CN209431978U (en) | A kind of quick manual open-close type explosion-protection equipment | |
| CN213631838U (en) | Novel automatic control explosion-proof tank | |
| CN210153534U (en) | Pressure vessel with prevent empting function | |
| CN210681918U (en) | Large storage tank with automatic discharge function | |
| CN207260800U (en) | Vertically rotary flood and preventive protective airtight partition door blocking mechanism | |
| CN201327360Y (en) | Explosion-protection storage tank for explosive substances | |
| CN2652884Y (en) | Anti-explosion storage and transport pot for explosive | |
| CN220791056U (en) | Explosion door device for underground refuge chamber | |
| CN216801658U (en) | Capping device and molten iron tank truck | |
| CN221858325U (en) | Special gas safety storage device | |
| CN204079461U (en) | A kind of charging arm with sealing arrangement that is scalable and that offset | |
| CN107352055A (en) | A kind of milk powder in bags packs feeder | |
| CN215069172U (en) | Buffer structure for piano cover plate | |
| CN219366789U (en) | Automatic uncapping device for pressure container | |
| CN210071549U (en) | Cover opening device of low-temperature tank for metal material impact and drop hammer test | |
| CN221703334U (en) | Dangerous material warehouse convenient to move | |
| CN215708379U (en) | Leak-proof sealing type mesh bag | |
| CN216424678U (en) | Rotary oil tank cover | |
| CN220549403U (en) | Portable water quality detector for water quality detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |