CN112814186B - Anti-seismic energy absorption device of wooden house ceiling - Google Patents
Anti-seismic energy absorption device of wooden house ceiling Download PDFInfo
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- CN112814186B CN112814186B CN202011618357.8A CN202011618357A CN112814186B CN 112814186 B CN112814186 B CN 112814186B CN 202011618357 A CN202011618357 A CN 202011618357A CN 112814186 B CN112814186 B CN 112814186B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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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
- E04H9/02—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 withstanding earthquake or sinking of ground
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
Abstract
The invention relates to the technical field of anti-seismic energy absorption, in particular to an anti-seismic energy absorption device for a wooden house ceiling, which comprises an arc-shaped plate-shaped light plate, wherein a square-frame-shaped supporting frame is arranged at the lower end of the light plate, a vertical plate is arranged between the light plate and the supporting frame, the lower end of the vertical plate is fixedly connected with the supporting frame, a positioning plate is fixedly connected onto the inner wall of the supporting frame, one end of the positioning plate is fixedly connected with an outer cylinder, a central shaft penetrates through the middle part of the outer cylinder, and the end part of the central shaft is fixedly connected with a side lug plate.
Description
Technical Field
The invention relates to the technical field of anti-seismic energy absorption, in particular to an anti-seismic energy absorption device for a wooden house ceiling.
Background
The log cabin among the prior art receives the vibrations impact influence very obviously, if relate to, improves the vibration/noise reduction effect of whole log cabin, is a problem all the time, can be on log cabin building materials a plurality of antidetonation energy-absorbing devices of fixed mounting, realizes the absorption to the shock energy.
If the anti-seismic energy absorption device can be provided, the problems can be solved if the anti-seismic energy absorption device is stable and powerful in function and good in anti-seismic energy absorption effect, and therefore the anti-seismic energy absorption device for the wooden house ceiling is provided.
Disclosure of Invention
The invention aims to provide an anti-seismic energy absorption device for a wooden house ceiling, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-seismic energy absorption device of a wooden house ceiling comprises an arc-shaped plate-shaped light plate, wherein a square-frame-shaped supporting frame is arranged at the lower end of the light plate, a vertical plate is arranged between the light plate and the supporting frame, the lower end of the vertical plate is fixedly connected with the supporting frame, a positioning plate is fixedly connected to the inner wall of the supporting frame, an outer cylinder is fixedly connected to one end of the positioning plate, a central shaft penetrates through the middle of the outer cylinder, a side lug plate is fixedly connected to the end portion of the central shaft, one end of the side lug plate is fixedly connected with the inner cambered surface of the light plate, an arc-shaped plate-shaped pressure plate is arranged at the upper end of the outer cylinder, a plurality of uniformly distributed spring pieces I are arranged on one side of the pressure plate, one part of the spring pieces protrudes into the outer cylinder, a plurality of uniformly distributed supporting devices are arranged in the light plate, each supporting device comprises two column shells which are distributed in parallel and two U-shaped tubes which are symmetrically distributed, and a U-shaped tube is fixedly connected between the two column shells, be provided with control ball, guide bar, spring, slide cartridge and supporting leg in the inner chamber of post casing, two symmetric distribution's of fixedly connected with guide bar on the control ball, the cover has spring and slide cartridge on the guide bar, solid fixed ring is equipped with a plurality of evenly distributed's supporting leg on the lateral wall of slide cartridge, the one end of supporting leg and the inner wall fixed connection of post casing, be provided with flexible post in the one end tip inner chamber of U type pipe, the one end of flexible post extends to in the post casing, and the one end of flexible post is provided with the bellows, and the one end of keeping away from flexible post on the bellows is provided with the pneumatic valve, and bellows and pneumatic valve setting are in the inner chamber of U type pipe, be provided with the air cock in the other end tip inner chamber of U type pipe, air cock part protrusion is to the post casing.
Preferably, the air valve comprises a partition plate, a pressure spring, a sealing ball and a sealing barrel, one end of the sealing ball is in contact with the sealing barrel, the other end of the sealing ball is in contact with the pressure spring, one end, far away from the sealing ball, of the pressure spring is in contact with the partition plate, the partition plate and the sealing barrel are fixed on the inner wall of the U-shaped pipe, and one end of the sealing barrel is connected with the corrugated pipe.
Preferably, the baffle shape is the plectane and the plate body is fitted with a contraceptive ring and is equipped with a plurality of evenly distributed's through-hole, and sealed section of thick bamboo shape is a drum and the barrel is fitted with a contraceptive ring and is equipped with a plurality of evenly distributed's L type lumen, and the spherical groove has been seted up to barrel one side bottom surface middle part position of sealed section of thick bamboo, and the ball sealer agrees with to set up in the spherical groove of sealed section of thick bamboo.
Preferably, flexible post and bellows activity cup joint in the inner chamber of U type pipe, the one end of bellows and the bottom surface fixed connection of flexible post, the other end of bellows and the bottom surface fixed connection of sealing cylinder, flexible post be cylindric and the solid fixed ring is equipped with a plurality of evenly distributed's direction slider on the cylinder lateral wall, the one end contact of direction slider has wave plate shaped spring leaf two, direction slider and spring leaf two set up in the spout of seting up on the inner wall of U type pipe.
Preferably, the air tap is cylindrical, the inner cavity of the barrel is a circular truncated cone cavity, the air tap is fixed on the inner wall of the U-shaped pipe, one end of the spring is in contact with the spring, the other end of the spring is in contact with the control ball, and the guide rod is movably sleeved in the sliding barrel.
Preferably, the first spring piece is in a U-shaped plate, two end parts of the plate body are respectively bent towards two sides, the first spring piece is arranged in a T-shaped groove formed in the pressure plate in a matching mode, and one part of the first spring piece protrudes into an arc surface groove formed in the outer side wall of the central shaft.
Compared with the prior art, the invention has the beneficial effects that:
1. the structural design of the invention realizes that the light plate fully absorbs the vibration energy in the wooden house, thereby playing a good role in vibration and noise reduction, the vibration energy is transmitted to the light plate and can be quickly absorbed by a part device arranged in the light plate, and the function is stable and strong;
2. the device rocks through the control ball, and the spring rebounds and is used for buffering the motion of control ball, and then a plurality of springs play similar absorption vibrations energy's effect, and the motion in-process of control ball can arouse the air current flow in the U type pipe in addition, and air current impact can influence another control ball, and then breaks the same frequency vibration state of two control balls, improves the absorption vibrations energy effect of light board.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the supporting device;
fig. 3 is a position distribution diagram of the light plate.
In the figure: the device comprises a light plate 1, a support frame 2, a vertical plate 3, a positioning plate 4, an outer cylinder 5, a central shaft 6, a side ear plate 7, a pressure plate 8, a first spring piece 9, a support device 10, a column 11 shell, a U-shaped tube 12, a control ball 13, a guide rod 14, a spring 15, a sliding tube 16, a support leg 17, a telescopic column 18, a corrugated tube 19, an air valve 20, an air nozzle 21, a guide sliding block 22, a spring piece 23, a rubber shell 24, a partition plate 25, a pressure spring 26, a sealing ball 27 and a sealing tube 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: an anti-seismic energy absorption device of a wooden house ceiling comprises an arc-shaped plate-shaped light plate 1, wherein a square-frame-shaped supporting frame 2 is arranged at the lower end of the light plate 1, a vertical plate 3 is arranged between the light plate 1 and the supporting frame 2, the lower end of the vertical plate 3 is fixedly connected with the supporting frame 2, a positioning plate 4 is fixedly connected to the inner wall of the supporting frame 2, one end of the positioning plate 4 is fixedly connected with an outer cylinder 5, a central shaft 6 penetrates through the middle part of the outer cylinder 5, the end part of the central shaft 6 is fixedly connected with a side lug plate 7, one end of the side lug plate 7 is fixedly connected with the inner cambered surface of the light plate 1, an arc-shaped plate-shaped pressure plate 8 is arranged at the upper end of the outer cylinder 5, a plurality of uniformly distributed spring pieces 9 are arranged on one side of the pressure plate 8, part of each spring piece 9 protrudes into the outer cylinder 5, a plurality of uniformly distributed supporting devices 10 are arranged in the light plate 1, each supporting device 10 comprises two column shell bodies 11 which are distributed in parallel and two U-shaped tubes 12 which are symmetrically distributed, a U-shaped pipe 12 is fixedly connected between the two column shells 11, a control ball 13, a guide rod 14, a spring 15, a slide cylinder 16 and support legs 17 are arranged in the inner cavity of the column shell 11, two guide rods 14 which are symmetrically distributed are fixedly connected on the control ball 13, the spring 15 and the slide cylinder 16 are sleeved on the guide rods 14, a plurality of support legs 17 which are uniformly distributed are fixedly arranged on the outer side wall of the slide cylinder 16, one end of each support leg 17 is fixedly connected with the inner wall of the column shell 11, an expansion column 18 is arranged in the inner cavity of one end part of the U-shaped pipe 12, one end of each expansion column 18 extends into the column shell 11, a corrugated pipe 19 is arranged at one end of each expansion column 18, an air valve 20 is arranged at one end, far away from the expansion column 18, of each corrugated pipe 19 and the air valve 20 are arranged in the inner cavity of the U-shaped pipe 12, an air nozzle 21 is arranged in the inner cavity of the end part of the U-shaped pipe 12, and the air nozzle 21 partially protrudes into the column shell 11, referring to fig. 1, placing light board 1 at the log cabin top, when playing rain-proof sun-proof effect, if the personnel walk about in the log cabin, produce slight vibrations, the vibrations energy is mainly adsorbed by a plurality of springs 15 of the setting in the light board 1, plays vibration/noise reduction's effect, is greater than under the environment, and on the rainwater impacted the light board 1, a plurality of risers 3 cooperation supported light board 1, ensured that light board 1 can not excessively deform and buckle.
The air valve 20 comprises a partition plate 25, a pressure spring 26, a sealing ball 27 and a sealing cylinder 28, one end of the sealing ball 27 is in contact with the sealing cylinder 28, the other end of the sealing ball 27 is in contact with the pressure spring 26, one end, far away from the sealing ball 27, of the pressure spring 26 is in contact with the partition plate 25, the partition plate 25 and the sealing cylinder 28 are fixed on the inner wall of the U-shaped pipe 12, and one end of the sealing cylinder 28 is connected with the corrugated pipe 19.
The partition plate 25 is a circular plate, a plurality of uniformly distributed through holes are annularly arranged on the plate body, the sealing barrel 28 is a cylinder, a plurality of uniformly distributed L-shaped tube cavities are annularly arranged on the barrel body, a spherical groove is formed in the middle of the bottom surface of one side of the barrel body of the sealing barrel 28, and the sealing ball 27 is arranged in the spherical groove of the sealing barrel 28 in a matching mode.
The telescopic column 18 and the corrugated tube 19 are movably sleeved in an inner cavity of the U-shaped tube 12, one end of the corrugated tube 19 is fixedly connected with the bottom surface of the telescopic column 18, the other end of the corrugated tube 19 is fixedly connected with the bottom surface of the sealing cylinder 28, the telescopic column 18 is cylindrical, a plurality of guide sliding blocks 22 which are uniformly distributed are arranged on the upper fixing ring of the side wall of the cylinder, one end of each guide sliding block 22 is in contact with a second wavy plate-shaped spring piece 23, and the guide sliding blocks 22 and the second spring pieces 23 are arranged in sliding grooves formed in the inner wall of the U-shaped tube 12.
The air nozzle 21 is cylindrical, the inner cavity of the cylinder body is in a circular truncated cone cavity shape, the air nozzle 21 is fixed on the inner wall of the U-shaped pipe 12, one end of the spring 15 is in contact with the sliding cylinder 16, the other end of the spring 15 is in contact with the control ball 13, and the guide rod 14 is movably sleeved in the sliding cylinder 16.
The first spring piece 9 is in a U-shaped plate shape, two end parts of the plate body are bent towards two sides respectively, the first spring piece 9 is arranged in a T-shaped groove formed in the pressure plate 8 in a matching mode, and part of the first spring piece 9 protrudes into an arc surface groove formed in the outer side wall of the central shaft 6.
The working principle is as follows: the vibration energy is transmitted to the light plate 1, the light plate 1 slightly shakes, the spring pieces 9 play a clamping effect, if the pressure borne by the light plate 1 is too large or the shaking amplitude is too large, the clamping state of the spring pieces 9 is broken, the outer barrel 5 rotates, the spring pieces 9 are forced to retract into the pressure plate 8 by the staggered pressure, the light plate 1 is protected to a certain extent, in the shaking process of the light plate 1, the springs 15 absorb the vibration energy on the light plate 1, the control balls 13 keep unchanged due to inertia, so that the control balls 13 move relative to the light plate 1 and can be considered as the control balls 13 shaking in the light plate 1, the control balls 13 are arranged in the two column shells 11, the movement directions of the two control balls 13 are opposite, and as one control ball 13 moves close to the telescopic column 18, the control ball 13 presses the telescopic column 18, the telescopic column 18 moves to extrude the air in the corrugated pipe 19, the air flow passes through the U-shaped pipe 12 and is discharged into the other column shell 11, the air nozzle 21 is designed to play a role in gathering the air flow, the impact force of the air flow is improved, the guide rod 14 opposite to the air nozzle 21 is pushed, the guide rod 14 moves to control the control ball 13, the movement directions of the two control balls 13 are opposite, the design avoids the problem of same-frequency resonance of the control balls 13, the continuous shaking time of the light plate 1 is shortened, the shaking energy on the light plate 1 is mainly transmitted and diffused through the shaking of the control balls 13, the springs 15 rebound to play a role in buffering the shaking of the control balls 13, and the springs 15 play a role in similar absorption of shaking energy, so that the light plate 1 fully absorbs the shaking energy on the wooden house to play a certain role in shock absorption and noise reduction, the air valve 20 is designed to control the air flow in the U-shaped pipe 12, when the air flow in the corrugated pipe 19 is discharged outwards, the air flow jacks up the sealing ball 27 to force the sealing ball 27 and the sealing barrel 28 to be separated, so that the air flow in the corrugated pipe 19 is discharged outwards quickly and impacts the column shell 11, the air flow can only permeate through the L-shaped pipe cavity on the sealing barrel 28 in a reverse flow manner, the second spring leaf 23 rebounds to push the guide sliding block 22, the guide sliding block 22 drives the telescopic column 18, the process of restoring the initial position of the telescopic column 18 is slow, and the telescopic column 18 is prevented from influencing the shaking of the control ball 13.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a antidetonation energy-absorbing device of log cabin ceiling, includes arc platelike light board (1), its characterized in that: the lower end of the light plate (1) is provided with a square frame-shaped supporting frame (2), a vertical plate (3) is arranged between the light plate (1) and the supporting frame (2), the lower end of the vertical plate (3) is fixedly connected with the supporting frame (2), a positioning plate (4) is fixedly connected to the inner wall of the supporting frame (2), one end of the positioning plate (4) is fixedly connected with an outer cylinder (5), a central shaft (6) penetrates through the middle of the outer cylinder (5), the end part of the central shaft (6) is fixedly connected with a side lug plate (7), one end of the side lug plate (7) is fixedly connected with the inner cambered surface of the light plate (1), the upper end of the outer cylinder (5) is provided with an arc plate-shaped pressure plate (8), one side of the pressure plate (8) is provided with a plurality of uniformly distributed spring pieces (9), the part of the spring pieces (9) protrudes into the outer cylinder (5), the light plate (1) is provided with a plurality of uniformly distributed supporting devices (10), the supporting device (10) comprises two column shells (11) which are distributed in parallel and two U-shaped tubes (12) which are distributed symmetrically, the U-shaped tubes (12) are fixedly connected between the two column shells (11), a control ball (13), guide rods (14), a spring (15), a sliding barrel (16) and supporting legs (17) are arranged in an inner cavity of the column shell (11), the two guide rods (14) which are distributed symmetrically are fixedly connected on the control ball (13), the spring (15) and the sliding barrel (16) are sleeved on the guide rods (14), a plurality of uniformly distributed supporting legs (17) are fixedly arranged on a fixing ring on the outer side wall of the sliding barrel (16), one ends of the supporting legs (17) are fixedly connected with the inner wall of the column shell (11), a telescopic column (18) is arranged in an inner cavity at one end part of the U-shaped tube (12), and one end of the telescopic column (18) extends into the column shell (11), bellows (19) are provided with to the one end of flexible post (18), and the one end of keeping away from flexible post (18) on bellows (19) is provided with pneumatic valve (20), and bellows (19) and pneumatic valve (20) set up in the inner chamber of U type pipe (12), be provided with air cock (21) in the other end tip inner chamber of U type pipe (12), air cock (21) part is salient to in post casing (11).
2. The earthquake-resistant energy-absorbing device of the wooden house roof as claimed in claim 1, wherein: the air valve (20) comprises a partition plate (25), a pressure spring (26), a sealing ball (27) and a sealing barrel (28), wherein the sealing barrel (28) is in contact with one end of the sealing ball (27), the pressure spring (26) is in contact with the other end of the sealing ball (27), the partition plate (25) is in contact with one end, far away from the sealing ball (27), of the pressure spring (26), the partition plate (25) and the sealing barrel (28) are fixed on the inner wall of the U-shaped pipe (12), and one end of the sealing barrel (28) is connected with the corrugated pipe (19).
3. The earthquake-resistant energy-absorbing device of the wooden house roof as claimed in claim 2, wherein: the partition plate (25) is in a circular plate shape, the plate body is provided with a plurality of uniformly distributed through holes in an annular mode, the sealing barrel (28) is in a circular barrel shape, the barrel body is provided with a plurality of uniformly distributed L-shaped tube cavities in an annular mode, the middle position of the bottom surface of one side of the barrel body of the sealing barrel (28) is provided with a spherical groove, and the sealing ball (27) is arranged in the spherical groove of the sealing barrel (28) in a matching mode.
4. The earthquake-resistant energy-absorbing device of the wooden house roof as claimed in claim 1, wherein: flexible post (18) and bellows (19) activity cup joint in the inner chamber of U type pipe (12), the one end of bellows (19) and the bottom surface fixed connection of flexible post (18), the other end of bellows (19) and the bottom surface fixed connection of a sealed section of thick bamboo (28), flexible post (18) are cylindric and solid fixed ring on the cylinder lateral wall and are equipped with a plurality of evenly distributed's direction slider (22), the one end contact of direction slider (22) has wavy platelike spring leaf two (23), direction slider (22) and spring leaf two (23) set up in the spout of seting up on the inner wall of U type pipe (12).
5. The earthquake-resistant energy-absorbing device of the wooden house roof as claimed in claim 1, wherein: the air tap (21) is cylindrical, the inner cavity of the barrel body is in a circular truncated cone cavity shape, the air tap (21) is fixed on the inner wall of the U-shaped pipe (12), one end of the spring (15) is in contact with the spring (15), the other end of the spring (15) is in contact with the control ball (13), and the guide rod (14) is movably sleeved in the sliding barrel (16).
6. The earthquake-resistant energy-absorbing device of the wooden house roof as claimed in claim 1, wherein: the first spring piece (9) is in a U-shaped plate shape, two end parts of the plate body are bent towards two sides respectively, the first spring piece (9) is arranged in a T-shaped groove formed in the pressure plate (8) in a matched mode, and the part of the first spring piece (9) protrudes into an arc surface groove formed in the outer side wall of the central shaft (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011618357.8A CN112814186B (en) | 2020-12-31 | 2020-12-31 | Anti-seismic energy absorption device of wooden house ceiling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011618357.8A CN112814186B (en) | 2020-12-31 | 2020-12-31 | Anti-seismic energy absorption device of wooden house ceiling |
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| CN112814186A CN112814186A (en) | 2021-05-18 |
| CN112814186B true CN112814186B (en) | 2022-05-17 |
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| CN202011618357.8A Active CN112814186B (en) | 2020-12-31 | 2020-12-31 | Anti-seismic energy absorption device of wooden house ceiling |
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| ITRM20050184A1 (en) * | 2005-04-14 | 2006-10-15 | L A S P System Italia S R L | ROOF STRUCTURE WITH DIFFERENT FUNCTIONS, FOR EXAMPLE THE ANTI-SEISMIC STRUCTURE, OF PROTECTION FROM WIND BURST, AND MORE AGAIN. |
| JP5537856B2 (en) * | 2009-07-24 | 2014-07-02 | 株式会社田中制震構造研究所 | Vibration control device |
| US9895777B2 (en) * | 2014-10-13 | 2018-02-20 | Continental Automotive Systems, Inc. | Air spring piston with integrated sealing |
| CN206280426U (en) * | 2016-10-20 | 2017-06-27 | 安徽莱特气弹簧有限公司 | Rigid locking air pressure rod |
| US10000926B1 (en) * | 2016-11-22 | 2018-06-19 | Jesus Morfin | Retractable roof system |
| CN107061592B (en) * | 2016-12-20 | 2018-12-04 | 慈溪市轻飞特操纵索有限公司 | gas spring |
| CN206802170U (en) * | 2017-06-09 | 2017-12-26 | 福建明佳机械科技股份有限公司 | Single cylinder band gas receiver damper |
| JP6833292B2 (en) * | 2017-07-11 | 2021-02-24 | 株式会社巴コーポレーション | Roof seismic structure |
| CN108757805B (en) * | 2018-06-28 | 2020-04-24 | 福州云睿自动化设备有限公司 | Rapid self-balancing air spring and operation method thereof |
| CN109996417B (en) * | 2019-02-20 | 2023-10-20 | 和信精密科技（吴江）有限公司 | Detachable SERVER |
| CN210687604U (en) * | 2019-10-30 | 2020-06-05 | 扬州市华凌电器设备有限公司 | Equipment box for security and protection monitoring |
| KR102151806B1 (en) * | 2020-01-17 | 2020-09-03 | 주식회사 일강케이스판 | A cushioning member for installing a roof structure and a method of manufacturing the same |
| CN111502344A (en) * | 2020-05-22 | 2020-08-07 | 合肥立达电气有限公司 | Protective shed for distribution box in construction site |
| CN112010203B (en) * | 2020-08-11 | 2021-07-30 | 扬戈科技股份有限公司 | Stable anti-shaking device of tower crane |
| CN213683302U (en) * | 2020-10-20 | 2021-07-13 | 保利新联爆破工程集团有限公司 | House building construction safety device |
| CN214739143U (en) * | 2020-12-04 | 2021-11-16 | 云南释照建筑规划设计有限公司 | Supporting structure and building on national building roof |
| CN113550481A (en) * | 2021-07-22 | 2021-10-26 | 袁晓柯 | Roof structure for building |
| CN113833193A (en) * | 2021-09-02 | 2021-12-24 | 重庆奔迹管业有限公司 | Canopy roof compression-resistant support frame for building |
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