CN110700085A - Bridge shock insulation support - Google Patents
Bridge shock insulation support Download PDFInfo
- Publication number
- CN110700085A CN110700085A CN201911003211.XA CN201911003211A CN110700085A CN 110700085 A CN110700085 A CN 110700085A CN 201911003211 A CN201911003211 A CN 201911003211A CN 110700085 A CN110700085 A CN 110700085A
- Authority
- CN
- China
- Prior art keywords
- friction
- bridge
- connecting plate
- fixed
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
Abstract
The invention discloses a bridge shock insulation support which comprises an upper connecting plate, a seat plate, a lower connecting plate, laminated rubber and a damping core, wherein the upper connecting plate is connected with a bridge floor, the lower connecting plate is connected with a bridge pier, the laminated rubber is fixed between the seat plate and the lower connecting plate, the damping core is embedded in the center of the laminated rubber, a hollow pipe extending in a spiral shape is fixed on the seat plate, the upper end of the hollow pipe is fixed with the lower side surface of the upper connecting plate, the lower end of the hollow pipe is fixed with the upper side surface of a base, and filling materials are filled in the hollow pipe. According to the bridge shock insulation support, the hollow pipe is arranged, so that the effect of isolating vertical vibration can be achieved by firstly collecting the upper connecting plate in the transportation and installation process and then injecting the filler after the installation is finished.
Description
Technical Field
The invention relates to a shock insulation support, in particular to a bridge shock insulation support.
Background
The isolation bearing is applied very extensively in current building structure at present, like place such as house, bridge, the more commonly used rubber isolation bearing of just at present, through the elastic reaction of rubber, realizes reducing the effect of horizontal vibrations, also can guarantee sufficient vertical load simultaneously to support the building of building on isolation bearing.
The conventional rubber shock insulation support is not capable of dissipating energy due to the fact that the rubber is incapable of dissipating energy, a lead core is additionally arranged at the center of the rubber shock insulation support, the dissipating energy is increased through the lead core, however, due to the fact that lead pollutes the environment and damages to human health, it is necessary to develop a substitute of the rubber shock insulation support, meanwhile, shock insulation is carried out in the middle of the conventional support in a mode of combining the rubber with a steel plate, and therefore shock insulation cannot be absorbed and carried out on vibration in the vertical direction, in the prior art, the shock insulation effect on the vibration in the vertical direction is achieved by arranging a top plate with liftable elasticity above an upper connecting plate, however, in the shock insulation support with the structure, when vertical shock insulation is carried out, an enough lifting space needs to be provided for the top plate, and therefore the shock insulation support with the structure can cause the overall height to be too high, the problem of difficulty in transportation and installation is caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a bridge shock insulation support which can effectively isolate vertical vibration and is convenient to transport and install.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a bridge shock insulation support, includes upper junction plate, bedplate, lower connecting plate, stromatolite rubber and damping core, the upper junction plate is connected with the bridge floor, and lower connecting plate is connected with the pier, stromatolite rubber is fixed between bedplate and the lower connecting plate, the central department of damping core gomphosis at stromatolite rubber, be fixed with the hollow tube that is the heliciform and extends on the bedplate, the upper end of hollow tube is fixed with the downside of upper junction plate, and the lower extreme of this hollow tube is fixed with the side of going up of base, the inside packing of hollow tube has the stopping.
As a further improvement of the invention, the hollow tube comprises a metal shaping layer and a coating layer, the coating layer is coated on the metal shaping layer, and the filler is filled in the metal shaping layer.
As a further improvement of the invention, the damping core is cylindrical, the lower end of the damping core is provided with a reverse-tapered sliding block, the upper end of the damping core penetrates through the seat plate and then is fixed on the lower side surface of the upper connecting plate so as to be arranged in the seat plate and the laminated rubber in a vertically-slidable manner, the upper side surface of the center of the lower connecting plate is fixed with a sliding seat, the upper side surface of the sliding seat is provided with a tapered sliding groove, the shape of the tapered sliding groove is matched with that of the sliding block, and the sliding block is embedded in the tapered.
As a further improvement of the invention, a damping sliding cylinder is sleeved on the outer side of the damping core, the upper end of the damping sliding cylinder is coaxially fixed at the center of the lower side surface of the seat plate, a friction layer is fixedly attached to the inner side wall of the damping sliding cylinder, and the friction layer is abutted against the outer side wall of the damping core.
As a further improvement of the invention, a plurality of friction grooves are formed on the conical surface of the sliding block, strip-shaped friction blocks are elastically hinged in the friction grooves one by one, the end parts of the friction blocks are abutted against the groove walls of the conical sliding grooves and are elastically hinged in a compressed state, and the end parts of the friction blocks are hinged on the groove walls on the lower sides of the friction grooves and are arranged obliquely upwards as a whole.
As a further improvement of the invention, the hinged end of the friction block is provided with a round angle, the positions of the groove walls of the left side and the right side of the friction groove close to the lower groove wall are fixedly connected with a hinged column, a torsion spring is sleeved on the hinged column, the positions of the side walls of the friction block close to the left side and the right side of the hinged end relative to the circle center of the round angle are provided with hinged grooves, the hinged grooves are sleeved on the hinged column, one end of the torsion spring abuts against the friction block, and the other end abuts against the groove wall of the friction groove, so that the friction block is elastically hinged on the friction groove.
As a further improvement of the invention, one end of the friction block, which is abutted against the tapered sliding chute, is provided with a round angle, the round angle surface of the round angle is provided with a plurality of elastic friction grains, the friction grains are in a strip sheet shape, one end of each friction grain is fixed on the round angle surface, and the other end of each friction grain extends upwards towards the tapered sliding chute in an inclined mode.
The shock insulation support has the advantages that through the arrangement of the upper connecting plate, the base plate, the lower connecting plate, the laminated rubber and the damping core, transverse shock insulation can be effectively realized, vertical shock insulation can also be realized, through the arrangement of the hollow pipe, the lower rigidity can be realized when the hollow pipe is empty, so that the upper connecting plate can be pressed downwards to reduce the height of the whole shock insulation support, the transportation of the shock insulation support is convenient, after the lower connecting plate is connected to an external pier, the elasticity can be effectively maintained to realize vertical shock insulation through a mode of releasing the upper connecting plate and then injecting filler, and therefore compared with the mode in the prior art, a series of problems caused by overhigh height can be avoided in the transportation and installation processes.
Drawings
FIG. 1 is a schematic structural diagram of a bridge seismic isolation bearing of the invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is an enlarged view of a portion C in fig. 2.
Detailed Description
The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1 to 4, the bridge seismic isolation bearing of the present embodiment includes an upper connection plate 1, a seat plate 2, a lower connection plate 3, a laminated rubber 4 and a damping core 5, the upper connection plate 1 is connected with a bridge deck, the lower connection plate 3 is connected with a bridge pier, the laminated rubber 4 is fixed between the seat plate 2 and the lower connection plate 3, the damping core 5 is embedded in the center of the laminated rubber 4, a hollow tube 6 extending in a spiral shape is fixed on the seat plate 2, the upper end of the hollow tube 6 is fixed to the lower side surface of the upper connection plate 1, the lower end of the hollow tube 6 is fixed to the upper side surface of the base 2, the hollow tube 6 is filled with a filler, when transporting the seismic isolation bearing of the present embodiment, since the hollow tube 6 is in a hollow state, the overall structural rigidity of the seismic isolation bearing is low, and the corresponding elasticity coefficient is also low, at this time, the seismic isolation bearing can be lowered by pressing the upper, like this the transport vechicle in the in-process of transportation in the same space can transport more isolation bearing, and at the in-process of installation, can remove isolation bearing from the transport vechicle, then will lower connecting plate 3 install on the outside pier, later through the mode of opening the packing, make 6 release elasticity of hollow tube prop up upper junction plate 1, hollow tube 6 resumes to be original shape, then the mode of pouring into the stopping into, make 6 elasticity coefficient grow of hollow tube, then reach the installation requirement, at this moment install the bridge floor on upper junction plate 1 again, so compare the isolation bearing structure in prior art, in-process at transportation and preliminary installation, isolation bearing's height is not high, can make things convenient for the workman to carry, then the mode of rethread stopping, keep isolation bearing's isolation validity.
As an improved specific embodiment, the hollow tube 6 includes a metal shaping layer 61 and a covering layer 62, the covering layer 62 covers the metal shaping layer 61, the filler is filled in the metal shaping layer 61, and the hollow tube 6 itself can have a certain plasticity by the arrangement of the metal shaping layer 61, so as to avoid the problem that the spring structure cannot be effectively formed due to the compression deformation of the hollow tube 6 in the transportation process, and the protection of the metal shaping layer 61 can be realized by the arrangement of the covering layer 62, wherein the filler in this embodiment may be MDF cement or metal stock solution.
As an improved specific embodiment, the damping core 5 is cylindrical, the lower end is provided with a reverse tapered slider 51, the upper end passes through the seat plate 2 and coaxially passes through the hollow tube 6 and then is fixed on the lower side surface of the upper connecting plate 1, the seat plate 2 and the laminated rubber 4 are arranged in a manner of sliding up and down, the upper side surface of the center of the lower connecting plate 3 is fixed with a slide seat 31, the upper side surface of the slide seat 31 is provided with a tapered chute 32, the shape of the tapered chute 32 is matched with the shape of the slider 51, the slider 51 is embedded in the tapered chute 32, by the above structure, when an earthquake occurs, the lower connecting plate 3 swings left and right due to the earthquake, and in the process of swinging left and right of the lower connecting plate 3, the tapered chute 32 and the slider 51 also lift up and slide, and the slider 51 tends to move upward in the process of sliding, and because there is the pushing down effect of bridge floor weight this moment, therefore hollow tube 6 just can be compressed, produce elasticity and give slider 51, and then realize losing the effect of seismic energy, so compare in lead core shock insulation support among the prior art, through the cooperation of slider 51 with toper spout 32 and hollow tube 6, the effect of reinforcing stromatolite rubber 4 power consumption nature has been realized, and avoided leading to the problem that environmental pollution and human harm appear because of the use of lead core, so through the setting of above-mentioned structure, can vertical vibration power consumption on the one hand, on the other hand also can realize horizontal vibration power consumption, when appearing lower connecting plate 3 offset after the earthquake is accomplished, alright utilize the vertical vibration drive slider 51 that the car produced through the bridge floor to slide downwards gradually, slider 51 progressively slides in the toper spout 32, make lower connecting plate 3 reset gradually.
As an improved specific embodiment, the damping slide cylinder 52 is sleeved outside the damping core 5, the upper end of the damping slide cylinder 52 is coaxially fixed at the center of the lower side surface of the seat plate 2, a friction layer is fixedly attached to the inner side wall of the damping slide cylinder 52, the friction layer abuts against the outer side wall of the damping core 5, and the energy consumption of the damping core 5 in the vertical vibration process can be enhanced through the arrangement of the damping slide cylinder 52.
As an improved specific embodiment, a plurality of friction grooves 511 are formed in the tapered surface of the slider 51, strip-shaped friction blocks 512 are elastically hinged in the friction grooves 511 in a one-to-one correspondence manner, the end portions of the friction blocks 512 are abutted against the groove walls of the tapered sliding groove 32, the elastic hinge is in a compressed state, the end portions of the friction blocks 512 are hinged on the groove walls on the lower side of the friction grooves 511, the whole friction blocks are arranged obliquely upwards, through the arrangement of the friction blocks 512, the friction force generated when the slider 51 is separated from the tapered sliding groove 32 can be increased, namely, the energy consumption of swinging of the lower connecting plate 3 during an earthquake can be enhanced, and the friction force generated when the slider 51 slides downwards into the tapered sliding groove 32 can be reduced, so that the lower connecting plate 3 can be better reset through vibration of the bridge deck.
As an improved specific embodiment, the hinged end of the friction block 512 is provided with a round corner, the positions of the groove walls of the left and right sides of the friction groove 511 close to the lower groove wall are fixedly connected with a hinged column 513, the hinged column 513 is sleeved with a torsion spring, the positions of the side walls of the friction block 512 close to the left and right sides of the hinged end, which are opposite to the circle center of the round corner, are provided with hinged grooves, the hinged grooves are sleeved on the hinged columns 513, one end of the torsion spring abuts against the friction block 512, the other end abuts against the groove wall of the friction groove 511, so as to elastically hinge the friction block 512 on the friction groove 511, by setting the round corner at the end of the friction block 512, the way that the friction block 512 cannot be kept against the tapered chute 32 due to the blocking of the friction groove 511 in the swinging process can be avoided, wherein the notch of the friction groove 511 in this embodiment is provided with a baffle at the position close to the hinged joint, the friction block 512 has the maximum angle when tilted by the torsion spring, so as to avoid the problem that the friction block 512 cannot be reset due to an excessively large tilting angle.
As an improved specific embodiment, a round corner is formed at one end of the friction block 512, which abuts against the tapered sliding groove 32, a plurality of elastic friction particles 5121 are arranged on a round corner surface of the round corner, each friction particle 5121 is in a strip sheet shape, one end of each friction particle is fixed on the round corner surface, the other end of each friction particle extends upwards towards the tapered sliding groove 32 in an inclined manner, friction force between the friction block 512 and the tapered sliding groove 32 in the process of disengaging from the tapered sliding groove 32 can be further increased through the arrangement of the friction particles 5121, and the problem that the friction block 512 is embedded into the tapered sliding groove 32 and is clamped can be avoided by adopting the arrangement of the round corner surface.
In conclusion, the bridge isolation bearing of the embodiment can avoid the problem of too high height in the process of transportation and installation by arranging the hollow pipe 6.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. The utility model provides a bridge isolation bearing, includes upper junction plate (1), bedplate (2), lower connecting plate (3), stromatolite rubber (4) and damping core (5), upper junction plate (1) is connected with the bridge floor, and lower connecting plate (3) are connected with the pier, stromatolite rubber (4) are fixed between bedplate (2) and lower connecting plate (3), damping core (5) gomphosis is in the center department of stromatolite rubber (4), its characterized in that: the base plate (2) is fixedly provided with a hollow tube (6) which extends spirally, the upper end of the hollow tube (6) is fixed with the lower side surface of the upper connecting plate (1), the lower end of the hollow tube (6) is fixed with the upper side surface of the base (2), and the hollow tube (6) is filled with filler.
2. The bridge-isolated bearing of claim 1, wherein: the hollow pipe (6) comprises a metal plastic layer (61) and a coating layer (62), wherein the coating layer (62) is coated on the metal plastic layer (61), and the filling material is filled in the metal plastic layer (61).
3. The bridge-isolated bearing of claim 1 or 2, wherein: damping core (5) are cylindricly, and the lower extreme is equipped with slider (51) that is the back taper, and the upper end passes behind bedplate (2) coaxial pass hollow tube (6) after-fixing on the downside of upper junction plate (1) to can slide from top to bottom set up in bedplate (2) and stromatolite rubber (4), the side of going up at lower junction plate (3) center is fixed with slide (31), toper spout (32) have been seted up to the side of going up of slide (31), the shape of toper spout (32) and the shape looks adaptation of slider (51), slider (51) gomphosis sets up in toper spout (32).
4. The bridge-isolated bearing of claim 3, wherein: the outside cover of damping core (5) is equipped with damping slide cartridge (52), the upper end coaxial fixation of damping slide cartridge (52) is on the position at bedplate (2) downside center, and the laminating is fixed with the frictional layer on the inside wall of this damping slide cartridge (52), the frictional layer offsets with the lateral wall of damping core (5).
5. The bridge-isolated bearing of claim 4, wherein: a plurality of friction grooves (511) are formed in the conical surface of the sliding block (51), the friction grooves (511) are internally and elastically hinged with long-strip-shaped friction blocks (512) in a one-to-one correspondence mode, the end portions of the friction blocks (512) are abutted to the groove walls of the conical sliding grooves (32), the friction blocks are elastically hinged to be in a compressed state, the end portions of the friction blocks (512) are hinged to the groove walls of the lower side of the friction grooves (511), and the whole friction blocks are arranged in an inclined mode.
6. The bridge-isolated bearing of claim 5, wherein: the hinged end of clutch blocks (512) is opened and is had the fillet, fixedly connected with hinge post (513) on the position that the cell wall of friction groove (511) left and right sides is close to cell wall down, the torsional spring has been cup jointed on hinge post (513), hinge groove has been seted up for the position of fillet centre of a circle to the lateral wall that the clutch blocks (512) are close to the hinged end left and right sides, hinge groove cup joints on hinge post (513), and the one end of torsional spring supports on clutch blocks (512), and the other end supports on the cell wall of friction groove (511) to articulate clutch blocks (512) elasticity on friction groove (511).
7. The bridge-isolated bearing of claim 6, wherein: the one end that rubbing block (512) and toper spout (32) offset is opened has the fillet, is equipped with elastic friction grain of a plurality of (5121) on the fillet face of this fillet, friction grain (5121) are rectangular slice, and one end is fixed on the fillet face, and the other end upwards extends towards toper spout (32) slant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911003211.XA CN110700085B (en) | 2019-10-21 | 2019-10-21 | Bridge shock insulation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911003211.XA CN110700085B (en) | 2019-10-21 | 2019-10-21 | Bridge shock insulation support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110700085A true CN110700085A (en) | 2020-01-17 |
| CN110700085B CN110700085B (en) | 2020-12-25 |
Family
ID=69201986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911003211.XA Active CN110700085B (en) | 2019-10-21 | 2019-10-21 | Bridge shock insulation support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110700085B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10196716A (en) * | 1997-01-14 | 1998-07-31 | Hitachi Ltd | Active damping device |
| KR100187527B1 (en) * | 1996-07-19 | 1999-06-01 | 이종훈 | Horizontal and vertical seismic isolation bearing |
| CN101705975A (en) * | 2009-04-24 | 2010-05-12 | 南京工程学院 | Spring with adjustable and controllable rigidity of thin-wall hollow deformed section |
| CN202056233U (en) * | 2010-07-02 | 2011-11-30 | 毛立荣 | Modified spring structure |
| KR20120132896A (en) * | 2011-05-30 | 2012-12-10 | 김해남 | Earthquake Proof Apparatus for a Structure |
| CN204570984U (en) * | 2015-04-13 | 2015-08-19 | 山东科技大学 | A kind of composite shock-absorbing device |
| CN205444536U (en) * | 2016-01-07 | 2016-08-10 | 昆明理工大学 | Friction stromatolite rubber support |
| CN106835961A (en) * | 2017-03-23 | 2017-06-13 | 北京工业大学 | A kind of air spring composite three-dimensional shock isolating pedestal |
| CN106869568A (en) * | 2017-04-06 | 2017-06-20 | 杨维国 | A kind of three-dimensional isolation vibration absorber and its shock insulation oscillation damping method |
| CN106958194A (en) * | 2017-05-11 | 2017-07-18 | 华侨大学 | A kind of three-dimensional shock isolation support with rotating function |
| CN207392044U (en) * | 2017-09-18 | 2018-05-22 | 王晋 | A kind of shock-absorbing bridge support |
| CN109629703A (en) * | 2019-01-03 | 2019-04-16 | 西安建筑科技大学 | A kind of compound energy-consumption damper and suspension column anti-seismic structure with spiral-tube |
| CN209307847U (en) * | 2018-12-19 | 2019-08-27 | 衡水中铁建工程橡胶有限责任公司 | A kind of bridge expanssion joint pressure-bearing spherical bearing |
| CN110259238A (en) * | 2019-06-14 | 2019-09-20 | 太原理工大学 | Streaming variant compound support damper in the cylinder of the outer lead-sheathing body of rigid sleeve slide bar |
| CN110344321A (en) * | 2019-07-12 | 2019-10-18 | 沈阳建筑大学 | A kind of multidimensional subtracts shock insulation smart bridge support and its construction method |
-
2019
- 2019-10-21 CN CN201911003211.XA patent/CN110700085B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100187527B1 (en) * | 1996-07-19 | 1999-06-01 | 이종훈 | Horizontal and vertical seismic isolation bearing |
| JPH10196716A (en) * | 1997-01-14 | 1998-07-31 | Hitachi Ltd | Active damping device |
| CN101705975A (en) * | 2009-04-24 | 2010-05-12 | 南京工程学院 | Spring with adjustable and controllable rigidity of thin-wall hollow deformed section |
| CN202056233U (en) * | 2010-07-02 | 2011-11-30 | 毛立荣 | Modified spring structure |
| KR20120132896A (en) * | 2011-05-30 | 2012-12-10 | 김해남 | Earthquake Proof Apparatus for a Structure |
| CN204570984U (en) * | 2015-04-13 | 2015-08-19 | 山东科技大学 | A kind of composite shock-absorbing device |
| CN205444536U (en) * | 2016-01-07 | 2016-08-10 | 昆明理工大学 | Friction stromatolite rubber support |
| CN106835961A (en) * | 2017-03-23 | 2017-06-13 | 北京工业大学 | A kind of air spring composite three-dimensional shock isolating pedestal |
| CN106869568A (en) * | 2017-04-06 | 2017-06-20 | 杨维国 | A kind of three-dimensional isolation vibration absorber and its shock insulation oscillation damping method |
| CN106958194A (en) * | 2017-05-11 | 2017-07-18 | 华侨大学 | A kind of three-dimensional shock isolation support with rotating function |
| CN207392044U (en) * | 2017-09-18 | 2018-05-22 | 王晋 | A kind of shock-absorbing bridge support |
| CN209307847U (en) * | 2018-12-19 | 2019-08-27 | 衡水中铁建工程橡胶有限责任公司 | A kind of bridge expanssion joint pressure-bearing spherical bearing |
| CN109629703A (en) * | 2019-01-03 | 2019-04-16 | 西安建筑科技大学 | A kind of compound energy-consumption damper and suspension column anti-seismic structure with spiral-tube |
| CN110259238A (en) * | 2019-06-14 | 2019-09-20 | 太原理工大学 | Streaming variant compound support damper in the cylinder of the outer lead-sheathing body of rigid sleeve slide bar |
| CN110344321A (en) * | 2019-07-12 | 2019-10-18 | 沈阳建筑大学 | A kind of multidimensional subtracts shock insulation smart bridge support and its construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110700085B (en) | 2020-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207390768U (en) | Elevator cage device | |
| CN210917826U (en) | Novel self-resetting assembly type anti-seismic sandwich wall | |
| CN110700085B (en) | Bridge shock insulation support | |
| CN206157911U (en) | Reinforced concrete beam column node shock insulation structure | |
| CN212053300U (en) | Prefabricated damping component for prefabricated building construction | |
| CN205499802U (en) | Hardware component loads basin | |
| JPH1037212A (en) | Vibration-isolation ground | |
| CN211143618U (en) | Wood floor with impact resistance | |
| CN210595092U (en) | A quick directional buffering perpendicular conveyer for building engineering | |
| CN212890515U (en) | Dry-mixed mortar discharge apparatus | |
| CN110847637B (en) | Multi-layer spliced box-type house and assembling method thereof | |
| CN210084515U (en) | Cold-chain logistics cargo loading and unloading platform | |
| CN209779439U (en) | Expansion joint device of bridge | |
| CN210682025U (en) | Conveniently receive and resin crystallization's skip that stews | |
| CN208264288U (en) | A kind of stream carrier vehicle | |
| CN214083997U (en) | Novel steel member transport vechicle | |
| CN218908473U (en) | Can pin-connected panel cargo transportation case | |
| CN214029012U (en) | Whole car frame of electric motor car | |
| CN206665467U (en) | A kind of rubbish feeding device of garbage transfer station | |
| CN211597544U (en) | Noise-reducing and shock-absorbing floor | |
| CN207878515U (en) | A kind of cellar for storing things well lid with shock-absorbing function | |
| CN220054995U (en) | Automatic unloading bulk cargo container | |
| CN218970314U (en) | Double-order elastic shock insulation rubber support | |
| CN210853484U (en) | Automobile skylight transport box | |
| CN216682733U (en) | Cement mortar conveyer for construction convenient to go up unloading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |