CN112963040A - Basement civil air defense structure - Google Patents
Basement civil air defense structure Download PDFInfo
- Publication number
- CN112963040A CN112963040A CN202110174913.5A CN202110174913A CN112963040A CN 112963040 A CN112963040 A CN 112963040A CN 202110174913 A CN202110174913 A CN 202110174913A CN 112963040 A CN112963040 A CN 112963040A
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- Prior art keywords
- rod
- frame
- basement
- hole
- installation frame
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/04—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against air-raid or other war-like actions
- E04H9/10—Independent shelters; Arrangement of independent splinter-proof walls
- E04H9/12—Independent shelters; Arrangement of independent splinter-proof walls entirely underneath the level of the ground, e.g. air-raid galleries
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
Abstract
The utility model relates to a basement civil air defense structure, relate to the field of basement construction, it is including setting up the installation frame at the basement top, the installation frame is latticed, all be provided with the mounting panel in every net of installation frame, next at every mounting panel all is provided with the assembly jig, the four corners position of assembly jig is provided with and is used for making the fixed subassembly of installation frame and assembly jig, the inside a plurality of push rods that are provided with of mounting panel, the push rod is along mounting panel edge vertically direction and mounting panel sliding connection, the installation frame is close to one side of mounting panel and has seted up a plurality ofly and has been pegged graft complex spliced eye with the push rod, seted up at the middle part of mounting panel and triggered the hole, the middle part of assembly jig is. This application has the effect that reduces the staff to the work load of basement construction.
Description
Technical Field
The application relates to the field of basement construction, in particular to a basement civil air defense structure.
Background
Along with the rapid development of urban engineering construction in recent years, a large number of deep basement engineering projects emerge. The basement supporting structure not only meets the strength requirement of the basement, but also needs to meet the deformation requirement, so that the design and construction of basement engineering need to carry out double control on the strength and the deformation.
The existing Chinese patent with reference to publication number CN108316345B discloses a basement supporting structure, which comprises waist beams arranged on the inner side of a retaining wall, wherein the first waist beam is made of reinforced concrete, and the second waist beam or the lower waist beam is made of steel components; the first waist rail is made of reinforced concrete and can be properly reinforced through a local area to serve as a temporary construction roadway; the ring beam is arranged on the inner side of the waist beam, and the middle part of the basement is supported by the truss; a concrete cast-in-place plate is additionally arranged at the external corner of the first horizontal support basement for reinforcement, and a steel support is adopted at the internal corner of the basement; the second horizontal support and the external corner part or the internal corner part of the other support basements are all supported by concrete cast-in-place plate steel. The invention has safe and reliable construction and low engineering cost.
In view of the above-mentioned related art, the inventor believes that the construction method is implemented by pouring the plate steel, so that the workload is large, and the defect that the workload of workers is increased exists.
Disclosure of Invention
In order to reduce the work load of staff to the basement construction, this application provides a basement civil air defense structure.
The application provides a basement civil air defense structure adopts following technical scheme:
the utility model provides a basement civil air defense structure, including setting up the installation frame at the basement top, the installation frame is latticed, all be provided with the mounting panel in every net of installation frame, next at every mounting panel all is provided with the assembly jig, the four corners position of assembly jig is provided with and is used for making fixed subassembly of installation frame and assembly jig, the inside a plurality of push rods that are provided with of mounting panel, the push rod is along mounting panel edge vertically direction and mounting panel sliding connection, the installation frame is close to one side of mounting panel and has seted up a plurality ofly and has pegged graft the complex spliced eye with the push rod, seted up at the middle part of mounting panel and triggered the hole, the middle part of assembly jig is provided with.
Through adopting above-mentioned technical scheme, when constructing the basement, build the installation frame earlier, then install the assembly jig under every latticed installation frame through fixed subassembly again, then place the mounting panel in every net of installation frame from the top of mounting bracket in again, and make trigger assembly be located trigger hole, staff's rethread trigger assembly is driving the push rod and is removing, make the push rod insert to the spliced eye downthehole, thereby fixed between mounting panel and the installation frame has been realized, simultaneously through above structure, the effect of the work load of reduction staff to the basement construction has been realized.
Optionally, the trigger assembly includes the install bin and promotes the cylinder, promotes the inner diapire fixed connection of cylinder body and install bin of cylinder, and the through-hole has been seted up along the gliding direction of push rod to the lateral wall of install bin, and the through-hole runs through the lateral wall of install bin, all is provided with the trigger bar in every through-hole, and the trigger bar has the head rod along the moving direction and the install bin sliding connection of push rod, and the one end of trigger bar and the tailpiece of the piston rod portion of promoting the cylinder articulate.
Through adopting above-mentioned technical scheme, the install bin is located the trigger hole to make the position of through-hole and push rod align, restart the promotion cylinder, make the promotion cylinder drive the head rod motion, the head rod is driving the trigger bar again and is stretching out from the install bin, and promote the push rod through the trigger bar and insert to the spliced eye in.
Optionally, the fixing assembly comprises fixing rods, the fixing rods are located at four corners of the top of the assembling frame, a placing groove is formed in the side wall, away from one end of the assembling frame, of each fixing rod, a clamping block is arranged in the placing groove, and a spring is fixedly arranged between the clamping block and the inner wall, located at the placing groove, of each fixing rod.
Through adopting above-mentioned technical scheme, when needs are fixed between assembly jig and the mounting bracket, make the dead lever insert the four corners position to the installation frame, after the dead lever stretched into to the installation frame in, the spring popped out the fixture block from the standing groove to the joint is in the inside of installation frame, thereby has realized fixing between installation frame and the mounting panel.
Optionally, the standing groove is placed towards the center of mounting panel and is seted up, be provided with first release link in the installation frame, first release link is along the direction and the installation frame sliding connection of orientation fixture block, there is the second release link along the direction sliding connection of orientation first release link in the mounting panel, rotate between assembly jig and the install bin and be connected, promote the removal back of second release link when the trigger bar, make the second release link drive first release link again and slide, and push the fixture block to the standing groove in, the dead lever is along vertical and the sliding connection of assembly jig, the locating hole has been seted up to assembly jig four corners position, the locating hole runs through the lateral wall of assembly jig, the dead lever is close to the lateral wall of bottom and has been seted up the fixed orifices, be equipped with the locating pin between locating hole and.
Through adopting above-mentioned technical scheme, after fixed the accomplishing between mounting panel and the installation frame, rotate the install bin, make through-hole and second release link align, then start the promotion cylinder once more and make the trigger bar stretch out from the install bin, promote the second trigger bar and remove, the second trigger bar promotes first trigger bar again and removes and make the fixture block withdraw to the standing groove in, then extract the locating pin from between locating hole and the fixed orifices again, make the dead lever break away from on the installation frame, then make the promotion cylinder drive the trigger bar again and withdraw to the install bin in, thereby accomplished the work of demolising to the installation frame, make this installation frame can used repeatedly.
Optionally, a reinforcing hole is formed in the side wall of the push rod close to two sides of one end of the insertion hole, a reinforcing rod is arranged in the installation frame, the reinforcing rod is connected with the installation frame in a sliding mode towards the direction of the reinforcing hole, and a second connecting rod is hinged between the reinforcing rod and the first reset rod.
Through adopting above-mentioned technical scheme, first release link is moving the second connecting rod removal in the time of to fixture block direction to through driving the anchor strut removal with the second connecting rod and inserting to consolidating downtheholely, thereby improved the fixed effect between first release link and the push rod.
Optionally, a first guide sleeve is sleeved outside the first reset rod, and the first guide sleeve is fixedly connected with the inner wall of the installation frame.
Through adopting above-mentioned technical scheme, first guide pin bushing has played the effect of guide and restriction for the moving direction of first release link, make that first release link can be accurate with the fixture block butt.
Optionally, an inserting rod is fixedly arranged at one end, close to the second reset rod, of the first reset rod, and a jack is fixedly arranged at one end, close to the first reset rod, of the second reset rod.
Through adopting above-mentioned technical scheme, when first release link and second release link butt, the inserted bar inserts to the jack in to the stability of connecting between first release link and the second release link has been strengthened.
Optionally, the reinforcing rod is sleeved with a second guide sleeve, the reinforcing rod is slidably connected with the second guide sleeve, and the second guide sleeve is fixedly connected with the inner wall of the mounting frame.
Through adopting above-mentioned technical scheme, the second guide pin bushing has played the effect of guide and restriction to the stiffening rod, makes the accurate inserting of stiffening rod to strengthening downtheholely.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the bottom of the mounting frame is provided with an assembly frame, and the mounting frame and the mounting plate are fixed through a trigger assembly on the assembly frame;
2. thereby drive the removal of second trigger bar through the trigger assembly and accomplish and dismantle the work between installation frame and the assembly jig.
Drawings
Fig. 1 is a schematic structural diagram of a basement civil air defense structure of the present document;
FIG. 2 is an exploded view showing the mounting plate, mounting frame and mounting bracket;
FIG. 3 is a schematic view showing the internal structure between the mounting plate and the mounting frame;
FIG. 4 is a side sectional view showing the internal structure of the fixing member;
FIG. 5 is a side sectional view showing the internal structure of the trigger assembly;
fig. 6 is a partially enlarged schematic view of a portion a in fig. 3.
Description of reference numerals: 1. a mounting frame; 11. inserting holes; 12. perforating; 2. mounting a plate; 21. a push rod; 211. reinforcing holes; 22. a trigger hole; 3. an assembly frame; 31. positioning holes; 32. positioning pins; 33. a slide hole; 4. a fixing assembly; 41. fixing the rod; 411. a placement groove; 412. a fixing hole; 42. a clamping block; 43. a spring; 5. a trigger component; 51. installing a box; 511. a through hole; 52. a push cylinder; 53. a trigger lever; 54. a first connecting rod; 6. a first restoring rod; 61. inserting a rod; 62. a first guide sleeve; 7. a second restoring rod; 71. a jack; 8. a reinforcing rod; 81. a second guide sleeve; 9. a second connecting rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-6. -
The embodiment of the application discloses basement civil air defense structure.
Referring to fig. 1, a basement civil air defense structure includes installation frame 1, and installation frame 1 is latticed, all is provided with mounting panel 2 in every net of installation frame 1.
Referring to fig. 2 and 3, all be provided with assembly jig 3 in the below of every mounting panel 2, the four corners position at assembly jig 3 top all is provided with and is used for the fixed subassembly 4 with installation frame 1, the inside of every mounting panel 2 all is provided with four push rods 21, four push rods 21 are perpendicular with four sidelines of mounting panel 2, installation frame 1 has been seted up a plurality ofly and has been pegged graft cooperation spliced eye 11 with push rod 21 tip, the central point of mounting panel 2 bottom surface has been seted up along vertical direction and has been triggered hole 22, assembly jig 3 central point puts and is provided with and is used for promoting push rod 21 along the gliding subassembly 5 that triggers of horizontal direction. When the basement is constructed, the installation frame 1 is firstly built, the assembly frame 3 is installed at the bottom of each latticed structure formed by the installation frame 1 through the fixing assembly 4, the installation plate 2 is placed on the assembly frame 3, the triggering assembly 5 is located at the triggering hole 22, the push rod 21 slides towards the installation frame 1 through the triggering assembly 5, the end portion of the push rod 21 is inserted into the insertion hole 11, and therefore the installation frame 1 and the installation plate 2 are fixed. Through the structure, the purpose of simple and convenient operation is realized, and the workload of workers on basement construction is effectively reduced.
Referring to fig. 3 and 4, the fixing assembly 4 includes a fixing rod 41, a latch 42, and a spring 43. The fixing rods 41 are four, the four fixing rods 41 are respectively located at four corners of the top of the assembly frame 3, the bottom of each fixing rod 41 and the bottom of the assembly frame 3 are fixedly connected in a detachable mode, the fixing rod 41 is close to the side wall of the top and is provided with a placing groove 411, the clamping block 42 and the spring 43 are both located in the placing groove 411, one end of the spring 43 and the fixing rod 41 are fixedly connected to the inner wall of the placing groove 411, and the other end of the spring 43 is fixedly connected with the clamping block 42. The installation frame 1 is provided with through holes 12 at four corners of each grid, and the through holes 12 correspond to the fixing rods 41 one by one. When the mounting frame 3 and the mounting frame 1 need to be connected and fixed, the mounting frame 3 is pushed upwards vertically to enable the fixing rod 41 to penetrate through the mounting frame 1 from the through hole 12, then the spring 43 ejects the clamping block 42 from the placing groove 411 to be clamped and fixed with the inner part of the mounting frame 1, and therefore the connection and the fixing between the mounting frame 1 and the mounting frame 3 are achieved.
Referring to fig. 2 and 5, the trigger assembly 5 includes a mounting case 51, a push cylinder 52, a trigger lever 53, and a first connecting lever 54. The outer wall of install bin 51 rotates with assembly jig 3 to be connected, promote cylinder 52, trigger bar 53 and head rod 54 all are located the inside of install bin 51, install bin 51 has been close to the lateral wall at top and has been seted up four through-holes 511, even interval is seted up between four through-holes 511, trigger bar 53 and through-hole 511 one-to-one, and trigger bar 53 is located through-hole 511, trigger bar 53 is along horizontal direction and install bin 51 sliding connection, promote cylinder 52's the cylinder body and install bin 51's interior diapire fixed connection, head rod 54's one end is articulated with trigger bar 53, head rod 54's the other end cylinder piston rod's of head rod end portion is articulated. When fixing mounting panel 2 and installation frame 1, make the top of installation box 51 be located trigger hole 22 to make the position of through-hole 511 and push rod 21 align, then drive first connecting rod 54 through promoting cylinder 52 and remove, first connecting rod 54 drives trigger bar 53 again and removes, trigger bar 53 drives push rod 21 after with the push rod 21 butt and removes and make the tip of push rod 21 insert to spliced eye 11 in, realized fixing between mounting panel 2 and the installation frame 1.
Referring to fig. 2, four placing grooves 411 are all opened along the central direction toward the assembly jig 3, four first reset rods 6 are arranged inside each grid of the installation frame 1, a first guide sleeve 62 is sleeved outside each first reset rod 6, each first guide sleeve 62 is fixedly connected with the inside of the installation frame 1, each first reset rod 6 slides along the direction toward the fixture block 42 under the guiding and limiting effects of the first guide sleeve 62, four second reset rods 7 are arranged in the installation plate 2, and each second reset rod 7 is connected with the installation plate 2 in a sliding manner along the direction toward the first reset rods 6.
Referring to fig. 4, a fixing hole 412 is formed in a side wall of the fixing rod 41 close to the top and the bottom, sliding holes 33 are formed in four corners of the assembly frame 3 along the vertical direction, the fixing rod 41 is located in the sliding holes 33 and is connected with the assembly frame 3 in a sliding mode along the vertical direction, positioning holes 31 are formed in the four corners of the assembly frame 3, the positioning holes 31 penetrate through the side wall of the assembly frame 3, the fixing hole 412 of the fixing rod 41 is aligned with the positioning holes 31, a positioning pin 32 is inserted between the positioning holes 31 and the fixing hole 412, and the fixing rod 41 and the assembly frame 3 are fixed through the.
When the assembly frame 3 needs to be disassembled, the pushing cylinder 52 drives the trigger rod 53 to be retracted into the installation box 51, then the installation box 51 is rotated, the through hole 511 and the second reset rod 7 are aligned, then the pushing cylinder 52 drives the trigger rod 53 to extend out of the through hole 511, the second trigger rod 53 is pushed to horizontally move, the second trigger rod 53 pushes the first trigger rod 53 to horizontally move, the fixture block 42 is pushed into the placing groove 411 through the first trigger rod 53, then the positioning pin 32 is pulled out of the fixing hole 412 and the positioning hole 31, the four fixing rods 41 are sequentially separated from the assembly frame 3, then the pushing cylinder 52 drives the trigger rod 53 to be retracted into the installation box 51, the assembly frame 3 can be disassembled, and therefore convenience is provided for the worker to disassemble the assembly frame 3 through the structure.
Referring to fig. 2 and 6, an insertion rod 61 is fixedly arranged at one end of the first reset rod 6 close to the second reset rod 7, and an insertion hole 71 which is in insertion fit with the insertion rod 61 is formed at one end of the second reset rod 7 close to the first reset rod 6. When the second restoring rod 7 abuts against the first restoring rod 6, the insert rod 61 is inserted into the insert hole 71, thereby improving the stability between the second restoring rod 7 and the first restoring rod 6.
Referring to fig. 2, a reinforcing rod 8 is slidably connected to the inside of the mounting frame 2 in the direction of the push rod 21, a second guide sleeve 81 is sleeved on the outside of the reinforcing rod 8, the outer wall of the second guide sleeve 81 is fixedly connected to the inner wall of the mounting frame 2, a second connecting rod 9 is hinged between the reinforcing rod 8 and the first trigger rod 53, and reinforcing holes 211 matched with the end portions of the reinforcing rod 8 in an inserting manner are formed in two sides of one end of the push rod 21 close to the insertion hole 71. When sliding, the first trigger rod 53 drives the second connecting rod 9 to move, and then the second connecting rod 9 drives the reinforcing rod 8 to slide towards the reinforcing hole 211 until the end of the reinforcing rod 8 is inserted into the reinforcing hole 211, so that the stability of connection and fixation between the first trigger rod 53 and the push rod 21 is enhanced.
The embodiment of the application provides a basement people's air defense structure includes that the implementation principle of installation frame 1 is: when the basement is constructed, the installation frame 1 is built firstly, the assembly frame 3 is installed through the fixing component 4 at the bottom of each latticed structure formed by the installation frame 1, the installation plate 2 is placed on the assembly frame 3, the installation box 51 is located in the trigger hole 22, the trigger rod 53 is driven to move through the pushing cylinder 52, the trigger rod 53 pushes the push rod 21, the end part of the push rod 21 is inserted into the insertion hole 11, the fixing between the installation frame 1 and the installation plate 2 is completed, the trigger rod 53 is withdrawn and then the trigger component 5 is driven, the trigger rod 53 stretches out again, the first reset rod 6 and the second reset rod 7 are driven to move, and the dismounting work of the assembly frame 3 is completed. Through the structure, the purpose of simple and convenient operation is realized, and the workload of workers on basement construction is effectively reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a basement people's air defense structure which characterized in that: comprises an installation frame (1) arranged at the top of a basement, the installation frame (1) is in a grid shape, each grid of the installation frame (1) is internally provided with an installation plate (2), the lower part of each installation plate (2) is provided with an assembly rack (3), four corners of each assembly rack (3) are provided with fixing components (4) for fixing the installation frame (1) and the assembly racks (3), the installation plate (2) is internally provided with a plurality of push rods (21), the push rods (21) are slidably connected with the installation plate (2) along the direction vertical to the edge of the installation plate (2), one side of the installation frame (1) close to the installation plate (2) is provided with a plurality of insertion holes (11) which are in insertion fit with the push rods (21), the middle part of the mounting plate (2) is provided with a trigger hole (22), and the middle part of the assembly frame (3) is provided with a trigger component (5) for pushing the end part of the push rod (21) to be inserted into the plug hole (11).
2. The basement civil air defense structure of claim 1, wherein: trigger subassembly (5) are including install bin (51) and push cylinder (52), the cylinder body of push cylinder (52) and the interior diapire fixed connection of install bin (51), through-hole (511) have been seted up along the gliding direction of push rod (21) to the lateral wall of install bin (51), the lateral wall of install bin (51) is run through in through-hole (511), all be provided with trigger bar (53) in every through-hole (511), the moving direction and install bin (51) sliding connection of trigger bar (53) along push rod (21), the one end of trigger bar (53) and the piston rod tip of push cylinder (52) articulate has head rod (54).
3. The basement civil air defense structure of claim 2, wherein: fixed subassembly (4) are including dead lever (41), and dead lever (41) are located the four corners position at assembly jig (3) top, and standing groove (411) have been seted up to the lateral wall that dead lever (41) kept away from assembly jig (3) one end, are provided with fixture block (42) in standing groove (411), and spring (43) have set firmly between the inner wall that fixture block (42) and dead lever (41) are located standing groove (411) department.
4. The basement civil air defense structure of claim 3, wherein: the mounting frame is characterized in that the placing groove (411) is opened towards the center of the mounting plate (2), a first reset rod (6) is arranged in the mounting frame (1), the first reset rod (6) is connected with the mounting frame (1) in a sliding manner along the direction towards the clamping block (42), a second reset rod (7) is connected in the mounting plate (2) in a sliding manner along the direction towards the first reset rod (6), the assembling frame (3) is rotatably connected with the mounting box (51), after the trigger rod (53) pushes the second reset rod (7) to move, the second reset rod (7) drives the first reset rod (6) to slide, the clamping block (42) is pushed into the placing groove (411), the fixing rod (41) is vertically connected with the assembling frame (3) in a sliding manner, the positioning holes (31) are formed in the four corners of the assembling frame (3), and the positioning holes (31) penetrate through the side walls of the assembling frame (3), the side wall of the fixing rod (41) close to the bottom is provided with a fixing hole (412), and a positioning pin (32) is arranged between the positioning hole (31) and the fixing hole (412).
5. The basement civil air defense structure of claim 4, wherein: reinforcing holes (211) have been seted up to push rod (21) near the lateral wall of spliced eye (11) one end both sides, are provided with in the installation frame (1) reinforcing bar (8), and reinforcing bar (8) are towards the direction and installation frame (1) sliding connection in reinforcing hole (211), and it has second connecting rod (9) to articulate between reinforcing bar (8) and first release link (6).
6. The basement civil air defense structure of claim 4, wherein: the first reset rod (6) is sleeved with a first guide sleeve (62), and the first guide sleeve (62) is fixedly connected with the inner wall of the mounting frame (1).
7. The basement civil air defense structure of claim 4, wherein: the one end that first release link (6) are close to second release link (7) has set firmly inserted bar (61), and the one end that second release link (7) are close to first release link (6) has set firmly jack (71).
8. The basement civil air defense structure of claim 5, wherein: the reinforcing rod (8) is sleeved with a second guide sleeve (81), the reinforcing rod (8) is in sliding connection with the second guide sleeve (81), and the second guide sleeve (81) is fixedly connected with the inner wall of the mounting frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110174913.5A CN112963040B (en) | 2021-02-07 | 2021-02-07 | Basement civil air defense structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110174913.5A CN112963040B (en) | 2021-02-07 | 2021-02-07 | Basement civil air defense structure |
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| Publication Number | Publication Date |
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| CN112963040A true CN112963040A (en) | 2021-06-15 |
| CN112963040B CN112963040B (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110174913.5A Active CN112963040B (en) | 2021-02-07 | 2021-02-07 | Basement civil air defense structure |
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| CN211252165U (en) * | 2019-12-26 | 2020-08-14 | 武汉道辰汽车零部件有限公司 | Automobile skylight upper frame convenient for mounting glass |
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| US5893241A (en) * | 1998-01-05 | 1999-04-13 | Schroeder; Michael P. | Precast concrete target house |
| JP2005179993A (en) * | 2003-12-18 | 2005-07-07 | Nihon Samicon Co Ltd | Wall member and construction method for underground hollow structure |
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| Publication number | Publication date |
|---|---|
| CN112963040B (en) | 2022-05-03 |
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