CN113819185B - Comprehensive anti-seismic support based on corrosion-resistant stainless steel base material - Google Patents
Comprehensive anti-seismic support based on corrosion-resistant stainless steel base material Download PDFInfo
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- CN113819185B CN113819185B CN202111179438.7A CN202111179438A CN113819185B CN 113819185 B CN113819185 B CN 113819185B CN 202111179438 A CN202111179438 A CN 202111179438A CN 113819185 B CN113819185 B CN 113819185B
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- 239000010935 stainless steel Substances 0.000 title claims abstract description 41
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 41
- 239000000463 material Substances 0.000 title claims abstract description 36
- 238000005260 corrosion Methods 0.000 title claims abstract description 29
- 230000007797 corrosion Effects 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000013016 damping Methods 0.000 claims abstract description 31
- 239000000758 substrate Substances 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 7
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention relates to the technical field of anti-seismic equipment, in particular to a comprehensive anti-seismic support based on a corrosion-resistant stainless steel base material, which is convenient for adjusting the supporting area according to the area of the stainless steel base material, improves the anti-seismic effect and enhances the practicability; the on-line screen storage device comprises a base, the supporting box, adjustment mechanism and four group damper, base top and supporting box bottom end fixed connection, adjustment mechanism is connected with four group damper, adjustment mechanism and four group damper are connected with the supporting box respectively simultaneously, wherein every group damper among four group damper includes the piston cylinder, the slider, the connecting rod, damping spring, the connecting axle, first articulated seat, the articulated seat of second, third articulated seat and anti-skidding bracket, slider outer wall cover is equipped with the damping cover, the slider passes through damping cover slidable mounting in the piston cylinder, the connecting rod top pass the piston cylinder and with slider bottom fixed connection, damping spring fixed mounting is between slider top and piston cylinder top, the connecting rod bottom is rotated through the connecting axle and is installed on the supporting box.
Description
Technical Field
The invention relates to the technical field of anti-seismic equipment, in particular to a comprehensive anti-seismic support based on a corrosion-resistant stainless steel base material.
Background
Stainless steel is a steel having stainless and corrosion resistance as main characteristics, and has a chromium content of at least 10.5% and a carbon content of not more than 1.2% at maximum. Stainless steel has higher hardness than aluminum alloy and has higher production cost than aluminum alloy.
The stainless steel base material needs to be supported by the anti-vibration assembly in the transportation or processing process, so that vibration is reduced, and stability is enhanced. The size of stainless steel base material is different, and consequently the area that needs to support is also different, and the area of stainless steel base material is big more, and its supporting component's supporting area just needs to increase, and the current antidetonation subassembly is inconvenient adjusts supporting component's supporting area, influences the antidetonation effect, and the practicality is relatively poor nevertheless.
Disclosure of Invention
In order to solve the technical problems, the invention provides the comprehensive anti-seismic support based on the corrosion-resistant stainless steel base material, which is convenient for adjusting the supporting area according to the area of the stainless steel base material, improves the anti-seismic effect and enhances the practicability.
The invention discloses a comprehensive anti-seismic support based on a corrosion-resistant stainless steel base material, which comprises a base, a support box, an adjusting mechanism and four groups of damping mechanisms, wherein the top end of the base is fixedly connected with the bottom end of the support box, the adjusting mechanism is connected with the four groups of damping mechanisms, and the adjusting mechanism and the four groups of damping mechanisms are respectively connected with the support box.
The invention relates to a comprehensive anti-seismic support based on a corrosion-resistant stainless steel base material, which comprises a first bearing, an adjusting shaft, a driving bevel gear, a second bearing, a screw rod, a driven bevel gear and a connecting mechanism, wherein the first bearing is arranged in the rear side wall of a supporting box, the adjusting shaft penetrates through the first bearing in a rotating mode, the driving bevel gear is fixedly connected with the front end of the adjusting shaft, the second bearing is arranged in the top end wall of the supporting box, the screw rod penetrates through the second bearing in a rotating mode, the driven bevel gear is fixedly connected with the bottom end of the screw rod, the driven bevel gear is meshed with the driving bevel gear, and the connecting mechanism is respectively connected with a first hinge seat and the screw rod.
The comprehensive anti-seismic support based on the corrosion-resistant stainless steel base material comprises a lifting plate, a hinged shaft, a threaded sleeve and a hinged rod, wherein the lifting plate is positioned above a support box, the bottom end of the hinged rod is rotatably arranged on the lifting plate through the hinged shaft, the threaded sleeve is arranged in the lifting plate, a screw rod is in threaded connection with the threaded sleeve, and the top end of the hinged rod is hinged with a first hinged seat.
The comprehensive anti-seismic support based on the corrosion-resistant stainless steel base material further comprises a nut and a plurality of groups of bolts, the nut is installed at the bottom end of the piston cylinder, the plurality of groups of bolts are respectively in threaded connection with the nut, and the top end of each bolt is rotatably connected with the bottom end of the corresponding sliding block.
The comprehensive anti-seismic support based on the corrosion-resistant stainless steel base material further comprises a connecting frame and a third bearing, wherein the third bearing is arranged in the connecting frame, and the top end of the screw rod is in rotating connection with the third bearing.
The comprehensive anti-seismic support based on the corrosion-resistant stainless steel base material further comprises an anti-slip mat, and the anti-slip mat is fixedly installed at the bottom end of the base.
The comprehensive anti-seismic support based on the corrosion-resistant stainless steel base material further comprises an adjusting cap, and the adjusting cap is fixedly connected with the rear end of the adjusting shaft.
The comprehensive anti-seismic support based on the corrosion-resistant stainless steel base material further comprises a limiting angle, the bottom end of the limiting angle is fixedly connected with the top end of the piston cylinder, and the limiting angle is connected with the second hinge base.
Compared with the prior art, the invention has the beneficial effects that: firstly, through operating an adjusting mechanism, under the action of four groups of connecting shafts, four groups of piston cylinders are driven to rotate, and meanwhile, four groups of third hinge seats and four groups of anti-skid brackets are driven to rotate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front cross-sectional structural view of FIG. 1;
FIG. 3 is a schematic view of the partial cross-sectional structure of FIG. 1;
FIG. 4 is a schematic top view of the connection of the lifter plate and the hinge shaft, etc.;
in the drawings, the reference numbers: 1. a base; 2. a support box; 3. a piston cylinder; 4. a slider; 5. a damping sleeve; 6. a connecting rod; 7. a damping spring; 8. a connecting shaft; 9. a first hinge mount; 10. a second hinged seat; 11. a third hinge mount; 12. an anti-skid bracket; 13. a first bearing; 14. an adjustment shaft; 15. a drive bevel gear; 16. a second bearing; 17. a screw rod; 18. a driven bevel gear; 19. a lifting plate; 20. hinging a shaft; 21. a threaded sleeve; 22. a hinged lever; 23. a nut; 24. a bolt; 25. a connecting frame; 26. a third bearing; 27. a non-slip mat; 28. an adjusting cap; 29. and limiting the angle.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the comprehensive anti-seismic support based on corrosion-resistant stainless steel base materials comprises a base 1, a support box 2, an adjusting mechanism and four groups of damping mechanisms, wherein the top end of the base 1 is fixedly connected with the bottom end of the support box 2, the adjusting mechanism is connected with the four groups of damping mechanisms, the adjusting mechanism and the four groups of damping mechanisms are respectively connected with the support box 2, each group of damping mechanism in the four groups of damping mechanisms comprises a piston cylinder 3, a sliding block 4, a connecting rod 6, a damping spring 7, a connecting shaft 8, a first hinged seat 9, a second hinged seat 10, a third hinged seat 11 and an anti-slip bracket 12, the outer wall of the sliding block 4 is sleeved with a damping sleeve 5, the sliding block 4 is slidably mounted in the piston cylinder 3 through the damping sleeve 5, the top end of the connecting rod 6 penetrates through the piston cylinder 3 and is fixedly connected with the bottom end of the sliding block 4, the damping spring 7 is fixedly mounted between the top end of the sliding block 4 and the top end of the piston cylinder 3, the bottom end of the connecting rod 6 is rotatably mounted on the support box 2 through the connecting shaft 8, the first hinged seat 9 is fixedly connected with the piston cylinder 3, the bottom end of the second hinged seat 10 is fixedly connected with the top end of the piston cylinder 3, the third hinged seat 11 is fixedly connected with the top end of the third hinged seat 11, and the top end of the third hinged seat 11 are fixedly connected with the anti-slip bracket 11; firstly, by operating an adjusting mechanism, under the action of four groups of connecting shafts 8, four groups of piston cylinders 3 are driven to rotate, meanwhile, four groups of third hinge seats 11 and four groups of anti-skidding brackets 12 are driven to rotate, the rotating angles of the piston cylinders 3 are adjusted according to the areas of the stainless steel base materials, then the four groups of third hinge seats 11 are rotated, the four groups of anti-skidding brackets 12 are made to be horizontal to the ground, then the stainless steel base materials are placed at the top ends of the four groups of anti-skidding brackets 12, the four groups of piston cylinders 3 support the stainless steel base materials, and an anti-seismic effect is achieved through the matching of the sliding blocks 4 and the damping springs 7.
The invention relates to a comprehensive anti-seismic support based on a corrosion-resistant stainless steel base material, which comprises a first bearing 13, an adjusting shaft 14, a driving bevel gear 15, a second bearing 16, a screw rod 17, a driven bevel gear 18 and a connecting mechanism, wherein the first bearing 13 is arranged in the rear side wall of a support box 2, the adjusting shaft 14 rotates to penetrate through the first bearing 13, the driving bevel gear 15 is fixedly connected with the front end of the adjusting shaft 14, the second bearing 16 is arranged in the top end wall of the support box 2, the screw rod 17 rotates to penetrate through the second bearing 16, the driven bevel gear 18 is fixedly connected with the bottom end of the screw rod 17, the driven bevel gear 18 is meshed with the driving bevel gear 15, and the connecting mechanism is respectively connected with a first hinging seat 9 and the screw rod 17; when the angle of the piston cylinder 3 needs to be adjusted, the adjusting shaft 14 is firstly rotated to drive the driving bevel gear 15 to rotate, and the driven bevel gear 18 and the screw rod 17 are driven to rotate, and the piston cylinder 3 is driven to rotate under the action of the connecting mechanism.
The comprehensive anti-seismic support based on the corrosion-resistant stainless steel base material comprises a lifting plate 19, a hinged shaft 20, a threaded sleeve 21 and a hinged rod 22, wherein the lifting plate 19 is positioned above the support box 2, the bottom end of the hinged rod 22 is rotatably installed on the lifting plate 19 through the hinged shaft 20, the threaded sleeve 21 is installed in the lifting plate 19, a screw rod 17 is in threaded connection with the threaded sleeve 21, and the top end of the hinged rod 22 is hinged with a first hinged seat 9; when the screw rod 17 is driven to rotate, the lifting plate 19 moves upwards under the action of the screw sleeve 21, and simultaneously drives the hinge rod 22 to rotate, so that the piston cylinder 3 rotates.
The comprehensive anti-seismic support based on the corrosion-resistant stainless steel base material further comprises a nut 23 and a plurality of groups of bolts 24, wherein the nut 23 is installed at the bottom end of the piston cylinder 3, the plurality of groups of bolts 24 are respectively in threaded connection with the nut 23, and the top end of the bolt 24 is rotatably connected with the bottom end of the sliding block 4; the bolt 24 is rotated, and under the action of the nut 23, the sliding block 4 can be driven to move up and down, so that the damping spring 7 contracts or extends, and the damping elasticity can be adjusted conveniently.
The comprehensive anti-seismic support based on the corrosion-resistant stainless steel base material further comprises a connecting frame 25 and a third bearing 26, wherein the third bearing 26 is installed in the connecting frame 25, and the top end of the screw rod 17 is rotatably connected with the third bearing 26; the stability of the screw 17 can be enhanced.
The comprehensive anti-seismic support based on the corrosion-resistant stainless steel base material further comprises an anti-slip mat 27, wherein the anti-slip mat 27 is fixedly arranged at the bottom end of the base 1; by providing the non-slip mat 27, the non-slip property of the base 1 can be enhanced.
The comprehensive anti-seismic support based on the corrosion-resistant stainless steel base material further comprises an adjusting cap 28, and the adjusting cap 28 is fixedly connected with the rear end of the adjusting shaft 14; by providing the adjustment cap 28, the adjustment shaft 14 can be easily rotated, which improves convenience.
The comprehensive anti-seismic support based on the corrosion-resistant stainless steel base material further comprises a limiting angle 29, the bottom end of the limiting angle 29 is fixedly connected with the top end of the piston cylinder 3, and the limiting angle 29 is connected with the second hinge base 10; through setting up spacing angle 29, can play spacing effect to the turned angle of third hinge seat 11, prevent that third hinge seat 11 turned angle is too big, improve third hinge seat 11's stability.
During operation, the adjusting cap 28 is firstly rotated to drive the adjusting shaft 14 to rotate and drive the driving bevel gear 15 and the screw rod 17 to rotate, the lifting plate 19 moves upwards under the action of the screw sleeve 21 and simultaneously drives the hinge rod 22 to rotate, at this time, under the action of the connecting shaft 8, the piston cylinder 3 is driven to rotate and simultaneously drives the third hinge seat 11 and the anti-skidding bracket 12 to rotate, the rotating angle of the piston cylinder 3 is adjusted according to the area of the stainless steel base material, then the third hinge seat 11 is rotated to enable the anti-skidding bracket 12 to be horizontal to the ground, then the stainless steel base material is placed at the top end of the anti-skidding bracket 12, the four groups of piston cylinders 3 support the stainless steel base material, and the anti-skidding and anti-seismic functions are achieved through the matching of the sliding blocks 4 and the damping springs 7, the anti-skidding pads 27 can enhance the anti-skidding performance of the base 1, and the limiting angles 29 can limit the rotating angle of the third hinge seat 11, so that the rotating angle of the third hinge seat 11 is prevented from being too large, and the stability is improved.
According to the comprehensive anti-seismic support based on the corrosion-resistant stainless steel base material, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the comprehensive anti-seismic support can be implemented as long as the beneficial effects of the comprehensive anti-seismic support are achieved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and those improvements and modifications should be also considered as the protection scope of the present invention.
Claims (6)
1. A comprehensive anti-seismic support based on a corrosion-resistant stainless steel base material is characterized by comprising a base (1), a supporting box (2), an adjusting mechanism and four groups of damping mechanisms, wherein the top end of the base (1) is fixedly connected with the bottom end of the supporting box (2), the adjusting mechanism is connected with the four groups of damping mechanisms, and the adjusting mechanism and the damping mechanisms are respectively connected with the supporting box (2);
each damping mechanism of the four groups of damping mechanisms comprises a piston cylinder (3), a sliding block (4), a connecting rod (6), a damping spring (7), a connecting shaft (8), a first hinged seat (9), a second hinged seat (10), a third hinged seat (11) and an anti-skidding bracket (12), a damping sleeve (5) is sleeved on the outer wall of the sliding block (4), the sliding block (4) is slidably mounted in the piston cylinder (3) through the damping sleeve (5), the top end of the connecting rod (6) penetrates through the piston cylinder (3) and is fixedly connected with the bottom end of the sliding block (4), the damping spring (7) is fixedly mounted between the top end of the sliding block (4) and the top end of the piston cylinder (3), the bottom end of the connecting rod (6) is rotatably mounted on a supporting box (2) through the connecting shaft (8), the first hinged seat (9) is fixedly connected with the piston cylinder (3), the bottom end of the second hinged seat (10) is fixedly connected with the top end of the piston cylinder (3), the third hinged seat (11) is hinged with the second hinged seat (10), and the bottom end of the anti-skidding bracket (12) is fixedly connected with the top end of the third hinged seat (11);
the adjusting mechanism comprises a first bearing (13), an adjusting shaft (14), a driving bevel gear (15), a second bearing (16), a screw rod (17), a driven bevel gear (18) and a connecting mechanism, wherein the first bearing (13) is installed in the rear side wall of the supporting box (2), the adjusting shaft (14) penetrates through the first bearing (13) in a rotating mode, the driving bevel gear (15) is fixedly connected with the front end of the adjusting shaft (14), the second bearing (16) is installed in the top end wall of the supporting box (2), the screw rod (17) penetrates through the second bearing (16) in a rotating mode, the driven bevel gear (18) is fixedly connected with the bottom end of the screw rod (17), the driven bevel gear (18) is meshed with the driving bevel gear (15), and the connecting mechanism is connected with the first hinged seat (9) and the screw rod (17) respectively;
the connecting mechanism comprises a lifting plate (19), a hinged shaft (20), a threaded sleeve (21) and a hinged rod (22), the lifting plate (19) is located above the supporting box (2), the bottom end of the hinged rod (22) is rotatably installed on the lifting plate (19) through the hinged shaft (20), the threaded sleeve (21) is installed in the lifting plate (19), the lead screw (17) is in threaded connection with the threaded sleeve (21), and the top end of the hinged rod (22) is hinged to the first hinged seat (9).
2. A comprehensive anti-seismic support based on corrosion-resistant stainless steel base material according to claim 1, further comprising a nut (23) and a plurality of sets of bolts (24), wherein the nut (23) is installed at the bottom end of the piston cylinder (3), the plurality of sets of bolts (24) are respectively in threaded connection with the nut (23), and the top end of the bolt (24) is rotatably connected with the bottom end of the slide block (4).
3. A comprehensive anti-seismic support based on corrosion-resistant stainless steel substrates according to claim 1, characterized in that it further comprises a connecting frame (25) and a third bearing (26), the third bearing (26) is mounted in the connecting frame (25), and the top end of the screw rod (17) is rotatably connected with the third bearing (26).
4. An integrated anti-seismic support based on corrosion resistant stainless steel substrates according to claim 1, characterized in that it further comprises a non-slip mat (27), the non-slip mat (27) being fixedly mounted at the bottom end of the base (1).
5. A comprehensive anti-seismic support based on corrosion resistant stainless steel substrates according to claim 1, characterized in that it further comprises an adjusting cap (28), the adjusting cap (28) being fixedly connected to the rear end of the adjusting shaft (14).
6. A comprehensive anti-seismic support based on corrosion-resistant stainless steel base material according to claim 1, further comprising a limiting angle (29), wherein the bottom end of the limiting angle (29) is fixedly connected with the top end of the piston cylinder (3), and the limiting angle (29) is connected with the second hinge base (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111179438.7A CN113819185B (en) | 2021-10-11 | 2021-10-11 | Comprehensive anti-seismic support based on corrosion-resistant stainless steel base material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111179438.7A CN113819185B (en) | 2021-10-11 | 2021-10-11 | Comprehensive anti-seismic support based on corrosion-resistant stainless steel base material |
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| CN113819185A CN113819185A (en) | 2021-12-21 |
| CN113819185B true CN113819185B (en) | 2022-11-29 |
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| WO2013019428A1 (en) * | 2011-08-03 | 2013-02-07 | Kramer Teri | Free standing storage unit |
| CN211106807U (en) * | 2019-11-15 | 2020-07-28 | 湖北省汉都精密锻造有限公司 | Rotary front traction suspension guide ball head for mechanical equipment |
| CN211992225U (en) * | 2019-12-30 | 2020-11-24 | 青岛格鲁勃工艺品有限公司 | Polishing device for necklace processing |
| CN112325127A (en) * | 2020-11-11 | 2021-02-05 | 四川盖亚影院有限公司 | Projector lifting structure for cinema |
| CN212717796U (en) * | 2020-08-07 | 2021-03-16 | 李阳 | Shock-absorbing device for constructional engineering equipment |
| CN212869177U (en) * | 2020-09-12 | 2021-04-02 | 王锋吉 | Vibration damping base of flowing gravimeter |
| CN214262278U (en) * | 2020-12-04 | 2021-09-24 | 浙江恒光工艺品有限公司 | Paper shredder base for removing packing paper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101413356B1 (en) * | 2014-02-18 | 2014-07-01 | 조영철 | Seismic isolator utilizing wedge |
-
2021
- 2021-10-11 CN CN202111179438.7A patent/CN113819185B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013019428A1 (en) * | 2011-08-03 | 2013-02-07 | Kramer Teri | Free standing storage unit |
| CN211106807U (en) * | 2019-11-15 | 2020-07-28 | 湖北省汉都精密锻造有限公司 | Rotary front traction suspension guide ball head for mechanical equipment |
| CN211992225U (en) * | 2019-12-30 | 2020-11-24 | 青岛格鲁勃工艺品有限公司 | Polishing device for necklace processing |
| CN212717796U (en) * | 2020-08-07 | 2021-03-16 | 李阳 | Shock-absorbing device for constructional engineering equipment |
| CN212869177U (en) * | 2020-09-12 | 2021-04-02 | 王锋吉 | Vibration damping base of flowing gravimeter |
| CN112325127A (en) * | 2020-11-11 | 2021-02-05 | 四川盖亚影院有限公司 | Projector lifting structure for cinema |
| CN214262278U (en) * | 2020-12-04 | 2021-09-24 | 浙江恒光工艺品有限公司 | Paper shredder base for removing packing paper |
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| CN113819185A (en) | 2021-12-21 |
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Denomination of invention: A comprehensive seismic support system based on corrosion-resistant stainless steel substrate Granted publication date: 20221129 Pledgee: SHANGHAI RURAL COMMERCIAL BANK Co.,Ltd. Pledgor: Shanghai Lianyu Industrial Co.,Ltd. Registration number: Y2024310000128 |
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