CN111608288A - Building shock absorption support - Google Patents
Building shock absorption support Download PDFInfo
- Publication number
- CN111608288A CN111608288A CN202010429565.7A CN202010429565A CN111608288A CN 111608288 A CN111608288 A CN 111608288A CN 202010429565 A CN202010429565 A CN 202010429565A CN 111608288 A CN111608288 A CN 111608288A
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- Prior art keywords
- damping
- support plate
- layer support
- plate
- mounting panel
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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
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
The invention discloses a building shock absorption support which comprises an upper layer support plate, a first lower layer support plate, a second lower layer support plate and a third lower layer support plate, wherein clamping grooves are correspondingly arranged on a limiting anchor rod in a clamping and embedding manner; a damping shell is fixedly arranged on one side, close to the first sliding groove, of the first lower support plate and one side, close to the third sliding groove, of the third lower support plate, an inverted convex inner cavity is arranged in the damping shell, a second damping spring is connected between the bottom walls of the circular ring and the inverted convex inner cavity, and the circular ring is arranged in close contact with the limiting part; connecting pieces are arranged between the first lower layer support plate and the second lower layer support plate as well as between the second lower layer support plate and the third lower layer support plate, and the third damping spring is connected to the connecting pieces. The invention provides a building damping support, which has the functions of transverse and longitudinal damping, the longitudinal damping strength can be adjusted, a damping spring is arranged in the building damping support to prevent the building damping support from being rusted by moisture, the whole structure is more stable, the damping and vibration isolating effects are good, and the building damping support is very worthy of popularization.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a building damping support.
Background
In the prior art, the application number '201910991129.6' relates to a novel combined shock absorber for a super high-rise building and a construction method, in particular to the technical field of building construction, which comprises a cement substrate, wherein a plurality of supporting anchor posts are uniformly and fixedly arranged on the surface of the cement substrate, a shock absorption substrate is arranged at the tops of the supporting anchor posts, a fixed support is fixedly arranged in the middle of the bottom end surface of the shock absorption substrate, a positioning pipe is fixedly arranged on the outer side of the bottom end surface of the shock absorption substrate, positioning anchor rods are arranged on the outer sides of the supporting anchor posts, the supporting anchor posts are in matched sleeved connection with the fixed support, the positioning anchor rods are in matched sleeved connection with the positioning pipe, the novel combined shock absorber for the super high-rise building and the construction method absorb longitudinal shock waves through the elasticity of a longitudinal shock absorption spring, absorb transverse shock waves through the elasticity of transverse shock absorption elasticity, the damper can buffer and damp longitudinal vibration and transverse vibration at the same time, and a very good energy dissipation and damping effect is achieved.
However, the method still has the obvious defects in the using process: 1. the allowable expansion and contraction amount of the damping spring in the device is fixed, so that the damping strength of the device cannot be freely adjusted, and the device cannot be suitable for different use places; 2. the longitudinal damping spring in the device is externally arranged, so that the longitudinal damping spring is easily rusted by underground moisture after long-term use, the elasticity is reduced or even the longitudinal damping spring is invalid, and the damping effect of the device is greatly reduced because the support is arranged at the bottom of a building and the spring is difficult to replace in time; 3. when transverse vibration occurs, the supporting steel plate in the device can apply transverse vibration force to the damping base plates and the building base at two sides, so that the building is unstable, the transverse vibration force is difficult to be effectively isolated, and the damping and buffering effects are poor; 4. the structure of above-mentioned device is complicated, and the die sinking preparation is all comparatively loaded down with trivial details with the assembling process, wastes time and energy, is not convenient for use by a large scale and promotes.
Disclosure of Invention
The invention aims to provide a building shock absorption bracket to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a building damping support comprises an upper support plate, a first lower support plate, a second lower support plate and a third lower support plate, wherein the bottoms of the first lower support plate, the second lower support plate and the third lower support plate are fixedly provided with concave sleeves, the concave sleeves are sleeved on damping strength adjusting embedded columns, the bottom of the upper support plate is provided with a first damping groove, the second lower support plate is provided with a through hole, the first damping groove is connected with a first damping spring, the first damping spring is connected with a sliding plate, the sliding plate is fixedly provided with an installation column, one end of the installation column penetrating through the through hole is provided with a side plate, the bottom of the side plate is provided with a clamping groove, and the clamping groove is correspondingly clamped and embedded on a limiting anchor rod;
the bottom of the upper layer bracket plate is symmetrically provided with a first sliding groove, one sides of the first lower layer bracket plate and the third lower layer bracket plate close to the first sliding groove are fixedly provided with a damping shell, the damping shell is internally provided with an inverted convex inner cavity, the top wall of the damping shell is provided with an opening, a damping rod is movably arranged in the opening, a damping plate is fixedly arranged on one side of the damping rod close to the upper layer bracket plate, the damping plate is abutted and arranged in the first sliding groove, one end of the damping rod, far away from the damping plate, is integrally formed with a limiting part, the damping rod and the limiting part are provided with grooves, the bottom wall of the damping shell corresponding to the grooves is fixedly provided with a fixed column, a circular ring is sleeved on the fixing column, a damping spring II is connected between the circular ring and the bottom wall of the inverted convex inner cavity, and the circular ring is arranged in close contact with the limiting part;
the connecting piece is arranged between the first lower-layer support plate and the second lower-layer support plate, and between the second lower-layer support plate and the third lower-layer support plate, a damping groove II is formed in one side, close to the connecting piece, of the first lower-layer support plate, the second lower-layer support plate and the third lower-layer support plate, a damping spring III is connected in the damping groove II and is connected to the connecting piece, a protruding portion is fixedly arranged on the connecting piece, a sliding groove II is formed in the first lower-layer support plate, the second lower-layer support plate and the third lower-layer support plate, and the protruding portion is arranged in the sliding groove II.
Preferably, the shape and size of the first sliding plate and the first damping groove are the same.
Preferably, the mounting post and the side plate are integrally formed.
Preferably, one end of the fixing column, which is far away from the second damping spring, is fixedly provided with a blocking part.
Preferably, the connecting part of the connecting piece and the third damping spring is the same as the second damping groove in shape and size.
Compared with the prior art, the invention has the beneficial effects that:
1. the height of the embedded column above the installation base surface can be adjusted by adjusting the damping strength, so that the positions of the first lower support plate, the second lower support plate and the third lower support plate are adjusted, the initial position of the upper support plate is supported and determined by the installation column and is relatively stable, the distance between the upper support plate and the lower support plate is adjusted, the allowable elastic expansion range of the device is adjusted, the larger the range is, the larger the allowable damping shaking amplitude is, and the longitudinal damping strength of the device can be adjusted according to the requirement;
2. the damping spring I, the damping spring II and the damping spring III are arranged in the damping device, and the damping device is sealed relatively, so that the contact rate of the springs and humid air can be reduced, the elasticity of the springs is prevented from being reduced or even lost after the springs are corroded, the damping device is more durable, and the damping effect is more stable;
3. the first lower-layer support plate, the second lower-layer support plate and the third lower-layer support plate are connected through the connecting piece, when transverse vibration occurs, the damping springs at two ends of the connecting piece stretch out and draw back and drive the damping shell to move along the sliding groove I, but the transverse movement cannot be directly transmitted to the upper-layer support plate and an upper building, so that the assembled lower-layer support plate has better shock absorption and partition effects;
4. the invention has the function of damping and buffering transverse vibration and longitudinal vibration, has simple structure, is easy for mass production and use, can be assembled in advance in related structures of the building support, and can effectively shorten the construction period as long as the mounted building support is clamped and embedded on the damping strength adjusting embedded column and the limiting anchor rod in a construction site.
The invention provides a building damping support, which has the functions of transverse and longitudinal damping, the longitudinal damping strength can be adjusted, a damping spring is arranged in the building damping support to prevent the building damping support from being rusted by moisture, the whole structure is more stable, the damping and vibration isolating effects are good, and the building damping support is very worthy of popularization.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the invention at B in FIG. 1;
fig. 4 is an enlarged view of the present invention at C in fig. 1.
In the figure: 1 upper support plate, 201 first lower support plate, 202 second lower support plate, 203 third lower support plate, 3 interior type sleeve pipe, 4 shock attenuation intensity adjustment embedded post, 5 damping slot one, 6 through-holes, 7 damping spring one, 8 slide, 9 erection columns, 10 side board, 11 caulking grooves, 12 spacing stock, 13 sliding tray one, 14 shock attenuation casing, 15 inverted convex type inner chamber, 16 openings, 17 shock attenuation poles, 18 damping plate, 19 spacing portion, 20 recesses, 21 fixed column, 22 rings, 23 damping spring two, 24 stopping portion, 25 connecting piece, 26 damping groove two, 27 damping spring three, 28 bellying, 29 sliding groove two.
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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a building damping support comprises an upper support plate 1, a first lower support plate 201, a second lower support plate 202 and a third lower support plate 203 which can be made of steel plates or other hard corrosion-resistant materials, wherein the bottoms of the first lower support plate 201, the second lower support plate 202 and the third lower support plate 203 are fixedly provided with concave sleeves 3, the concave sleeves 3 are sleeved on damping strength adjusting embedded columns 4 and used for determining the height positions of the first lower support plate 201, the second lower support plate 202 and the third lower support plate 203, the damping strength adjusting embedded columns 4 are embedded in an installation base surface, the height of the damping strength adjusting embedded columns 4 higher than the installation base surface can be preset so as to adjust the longitudinal damping strength of a device, the bottom of the upper support plate 1 is provided with damping grooves one 5, the second lower support plate 202 is provided with through holes 6, and damping springs one 7 are connected in the damping grooves one 5, connect on damping spring 7 and be provided with slide 8, slide 8 can reciprocate along damping groove 5, the fixed erection column 9 that is provided with on slide 8, the one end that erection column 9 runs through-hole 6 is provided with side board 10, inlay card groove 11 has been seted up to the bottom of side board 10, inlay card groove 11 corresponds the inlay card and sets up on spacing stock 12, spacing stock 12 is also buried underground in the installation base face in advance for confirm the initial altitude position of upper mounting panel 1.
The bottom of the upper layer support plate 1 is symmetrically provided with a first sliding groove 13, one side of the first lower layer support plate 201 and one side of the third lower layer support plate 203 close to the first sliding groove 13 are fixedly provided with a damping shell 14, an inverted convex inner cavity 15 is arranged in the damping shell 14, the top wall of the damping shell 14 is provided with an opening 16, a damping rod 17 is movably arranged in the opening 16, one side of the damping rod 17 close to the upper layer support plate 1 is fixedly provided with a damping plate 18, the damping plate 18 is abutted and arranged in the first sliding groove 13, therefore, when transverse vibration occurs, the damping plate 18 can slide along the first sliding groove 13, one end of the damping rod 17 far away from the damping plate 18 is integrally formed with a limiting part 19, when the damping rod 17 moves, the limiting part 19 is limited by the inverted convex inner cavity 15 and cannot be separated from the damping shell 14, a groove 20 is formed in the damping rod 17 and the limiting part 19, a fixing column 21 is fixedly arranged on the bottom wall of, the fixed column 21 is sleeved with a circular ring 22, a second damping spring 23 is connected and arranged between the circular ring 22 and the bottom wall of the inverted convex inner cavity 15, the second damping spring 23 is located in a relatively sealed environment due to the arrangement of the limiting portion 19, the contact rate of the second damping spring 23 with humid air is reduced, the second damping spring 23 is used for buffering longitudinal vibration, and the circular ring 22 is tightly attached to the limiting portion 19.
Connecting pieces 25 are arranged between the first lower support plate 201 and the second lower support plate 202, and between the second lower support plate 202 and the third lower support plate 203, one sides of the first lower support plate 201, the second lower support plate 202 and the third lower support plate 203 close to the connecting pieces 25 are all provided with damping grooves two 26, damping springs three 27 are connected in the damping grooves two 26 and are used for buffering transverse vibration, the damping springs three 27 are connected on the connecting pieces 25, the connecting pieces 25 are fixedly provided with convex parts 28, sliding grooves two 29 are arranged on the first lower support plate 201, the second lower support plate 202 and the third lower support plate 203, the convex parts 28 are arranged in the sliding grooves two 29 and can slide along the sliding grooves two 29, and because of the arrangement of the convex parts 28, the connecting pieces 25 can not be completely separated from the damping grooves two 26, thereby improving the overall connection stability of the device, is not easy to loose and lose efficacy.
Preferably, the sliding plate 8 and the damping groove-5 are the same in shape and size, and the sliding plate 8 can move in the damping groove-5, so that the inner damping spring-7 is blocked by the sliding plate 8 and is in a relatively sealed environment, the contact rate with air is reduced, and the phenomenon that the damping spring-7 is corroded and fails due to air moisture is avoided.
Preferably, the mounting posts 9 and the side panels 10 are integrally formed, which improves the overall stability of the device and provides greater durability.
Preferably, a stop portion 24 is fixedly arranged at one end of the fixing post 21 away from the second damping spring 23, and the stop portion 24 is used for preventing the circular ring 22 from being pushed out of the fixing post 21 by the second damping spring 23.
Preferably, the connecting part of the connecting part 25 and the third damping spring 27 and the second damping groove 26 are the same in shape and size, so that the third damping spring 27 inside is blocked by the connecting part 25 and is in a relatively sealed environment, the contact rate with air is reduced, and the corrosion failure of the third damping spring 27 caused by air moisture is avoided.
The working principle is as follows: before installation, firstly, the damping strength adjusting embedded column 4 and the limiting anchor rod 12 are embedded in an installation base surface, the height of the damping strength adjusting embedded column 4 higher than the installation base surface is adjusted according to the required longitudinal damping strength, namely the allowed longitudinal damping movement amplitude, then the concave casing pipes 3 at the bottoms of the first lower support plate 201, the second lower support plate 202 and the third lower support plate 203 are respectively sleeved in the damping strength adjusting embedded column 4, the damping strength adjusting embedded column 4 completely fills the concave casing pipes 3, so that the heights of the first lower support plate 201, the second lower support plate 202 and the third lower support plate 203 are determined, meanwhile, the clamping grooves 11 on the side plates 10 are aligned with the limiting anchor rods 12 for clamping, and the height of the installation column 9 is fixed, so that the height of the upper support plate 1 is relatively fixed, and the heights of the upper support plate 1 and the first lower support plate 201, After the distance between the second lower support plate 202 and the third lower support plate 203 is adjusted, the expansion and contraction amplitude of the second damping spring 23 in the damping housing 14 is naturally adjusted, so that the remaining deformable quantity is changed, i.e. the allowable longitudinal damping strength, or the allowable longitudinal damping movement amplitude, is adjusted.
When longitudinal vibration occurs, the upper-layer support plate 1 can compress the first damping spring 7 downwards, the damping plate 18 compresses the damping rod 17, and the damping rod 17 compresses the circular ring 22 through the limiting part 19, so that the second damping spring 23 stretches and contracts to perform longitudinal damping; when transverse vibration occurs, the damping springs III 27 at the two ends of the connecting piece 25 can stretch, meanwhile, because the connecting piece 25 is fixedly provided with the lug boss 28, the sliding grooves II 29 are arranged on the first lower-layer support plate 201, the second lower-layer support plate 202 and the third lower-layer support plate 203, and the lug boss 28 is arranged in the sliding groove II 29, the connecting piece 25 cannot be completely separated from the damping groove II 26, the connection stability of the whole device is improved, the device is not easy to loose and lose efficacy, when the transverse vibration occurs, the first lower-layer support plate 201, the second lower-layer support plate 202 and the third lower-layer support plate 203 can drive the damping shell 14 fixed on the first lower-layer support plate to move, so that the damping plate 18 is indirectly driven to slide along the sliding groove I13, the transverse vibration is buffered and absorbed, the transverse vibration is prevented from being directly transmitted to the upper-layer support plate 1 and the upper-side building, the stability is improved.
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 (5)
1. The utility model provides a building shock absorber support, includes upper strata mounting panel (1), its characterized in that: the damping device is characterized by further comprising a first lower-layer support plate (201), a second lower-layer support plate (202) and a third lower-layer support plate (203), wherein the bottoms of the first lower-layer support plate (201), the second lower-layer support plate (202) and the third lower-layer support plate (203) are respectively and fixedly provided with an inner concave sleeve (3), the inner concave sleeve (3) is sleeved on the damping strength adjusting embedded column (4), the bottom of the upper-layer support plate (1) is provided with a damping groove I (5), the second lower-layer support plate (202) is provided with a through hole (6), a damping spring I (7) is connected and arranged in the damping groove I (5), the damping spring I (7) is connected and provided with a sliding plate (8), the sliding plate (8) is fixedly provided with an installation column (9), one end of the installation column (9) penetrating through the through hole (6) is provided with a side plate (10), the bottom of the side plate (10) is provided with a clamping groove (11), the clamping and embedding groove (11) is correspondingly arranged on the limiting anchor rod (12) in a clamping and embedding manner;
the damping device is characterized in that sliding grooves I (13) are symmetrically arranged at the bottom of the upper layer support plate (1), a damping shell (14) is fixedly arranged on one sides, close to the sliding grooves I (13), of the first lower layer support plate (201) and the third lower layer support plate (203), an inverted convex inner cavity (15) is arranged in the damping shell (14), an opening (16) is formed in the top wall of the damping shell (14), a damping rod (17) is movably arranged in the opening (16), a damping plate (18) is fixedly arranged on one side, close to the upper layer support plate (1), of the damping rod (17), the damping plate (18) is abutted to the sliding grooves I (13), a limiting portion (19) is integrally formed at one end, far away from the damping plate (18), of the damping rod (17) and the limiting portion (19), grooves (20) are formed in the damping rod (17) and the limiting portion (19), fixing columns (21) are fixedly arranged on the bottom wall, corresponding to the grooves (20) in the damping shell (, a circular ring (22) is sleeved on the fixing column (21), a damping spring II (23) is connected between the circular ring (22) and the bottom wall of the inverted convex inner cavity (15), and the circular ring (22) is arranged in a manner of being tightly attached to the limiting part (19);
all be provided with connecting piece (25) between first lower floor's mounting panel (201) and second lower floor's mounting panel (202), second lower floor's mounting panel (202) and third lower floor's mounting panel (203), damping groove two (26) have all been seted up to one side that first lower floor's mounting panel (201), second lower floor's mounting panel (202) and third lower floor's mounting panel (203) are close to connecting piece (25), it is provided with damping spring three (27) to connect in damping groove two (26), damping spring three (27) are connected on connecting piece (25), fixed bellying (28) that are provided with on connecting piece (25), be provided with sliding tray two (29) on first lower floor's mounting panel (201), second lower floor's mounting panel (202) and third lower floor's mounting panel (203), bellying (28) set up in sliding tray two (29).
2. The shock absorbing bracket for buildings as claimed in claim 1, wherein: the shape and the size of the sliding plate (8) and the size of the damping groove I (5) are the same.
3. The shock absorbing bracket for buildings as claimed in claim 1, wherein: the mounting column (9) and the side plate (10) are integrally formed.
4. The shock absorbing bracket for buildings as claimed in claim 1, wherein: and a blocking part (24) is fixedly arranged at one end of the fixing column (21) far away from the second damping spring (23).
5. The shock absorbing bracket for buildings as claimed in claim 1, wherein: the connecting part of the connecting piece (25) and the damping spring III (27) and the damping groove II (26) are the same in shape and size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010429565.7A CN111608288B (en) | 2020-05-20 | 2020-05-20 | Building shock absorption support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010429565.7A CN111608288B (en) | 2020-05-20 | 2020-05-20 | Building shock absorption support |
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| Publication Number | Publication Date |
|---|---|
| CN111608288A true CN111608288A (en) | 2020-09-01 |
| CN111608288B CN111608288B (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010429565.7A Active CN111608288B (en) | 2020-05-20 | 2020-05-20 | Building shock absorption support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282373A (en) * | 2020-09-23 | 2021-01-29 | 安徽省力通稀土钢缆有限公司 | Steel strand bundle integral perforation tunnel scaffold for tower |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014218879A (en) * | 2013-05-02 | 2014-11-20 | 豐 阿部 | Base isolation device employing coil spring and rolling groove |
| CN204512816U (en) * | 2014-12-26 | 2015-07-29 | 惠亚科技（苏州）有限公司 | A kind of shock-absorption device pedestal |
| KR101927204B1 (en) * | 2018-03-06 | 2019-03-12 | (주) 삼진넥스틸 | Toilet for container house with earthquake-proof device |
| CN210395664U (en) * | 2019-07-24 | 2020-04-24 | 安徽金江建筑规划设计有限公司 | Earthquake-resistant support for building |
-
2020
- 2020-05-20 CN CN202010429565.7A patent/CN111608288B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014218879A (en) * | 2013-05-02 | 2014-11-20 | 豐 阿部 | Base isolation device employing coil spring and rolling groove |
| CN204512816U (en) * | 2014-12-26 | 2015-07-29 | 惠亚科技（苏州）有限公司 | A kind of shock-absorption device pedestal |
| KR101927204B1 (en) * | 2018-03-06 | 2019-03-12 | (주) 삼진넥스틸 | Toilet for container house with earthquake-proof device |
| CN210395664U (en) * | 2019-07-24 | 2020-04-24 | 安徽金江建筑规划设计有限公司 | Earthquake-resistant support for building |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282373A (en) * | 2020-09-23 | 2021-01-29 | 安徽省力通稀土钢缆有限公司 | Steel strand bundle integral perforation tunnel scaffold for tower |
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| CN111608288B (en) | 2021-09-21 |
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Effective date of registration: 20210906 Address after: 402460 1st floor, Donghu 1st Branch Road (No. 6), Changzhou street, Rongchang District, Chongqing Applicant after: Chongqing Ellison Metal Products Co.,Ltd. Address before: 233000 west area of workshop 4, no.1717 Longhua Road, Huaishang District, Bengbu City, Anhui Province Applicant before: Bengbu Longhuai Construction Technology Co.,Ltd. |
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