CN106759953A - Hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure - Google Patents
Hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure Download PDFInfo
- Publication number
- CN106759953A CN106759953A CN201710111150.3A CN201710111150A CN106759953A CN 106759953 A CN106759953 A CN 106759953A CN 201710111150 A CN201710111150 A CN 201710111150A CN 106759953 A CN106759953 A CN 106759953A
- Authority
- CN
- China
- Prior art keywords
- dissipating
- shock
- groove
- steel plate
- connection member
- 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.)
- Pending
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 239000003795 chemical substances by application Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000010008 shearing Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Springs (AREA)
Abstract
The weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure is haled the present invention relates to a kind of, including laminated rubber bases, the snap component of flexible connection and end plate, described snap component includes male plug part and mother board, mother board one end is provided with groove, male plug part one end be arranged on groove in formed can relative torsion flexible connection, the male plug part other end is fixed with laminated rubber bases one end, and end plate is fixed with the laminated rubber bases other end.The present invention has larger Anti-pull-press ability, larger shearing torsional deflection can occur, and is installed in structure and can be used for attachment structure cross member and vertical lateral resistant member, damage of the reduction agent structure under geological process.
Description
Technical field
The invention belongs to Construction Anti-earthquake technical field, it is related to a kind of energy-dissipating and shock-absorbing connection member.
Background technology
Energy-dissipating and shock-absorbing technology refers at some positions (bean column node, shear wall bottom, post bottom, support etc.) or adjacent of structure
Setting energy-dissipating and shock-absorbing part between building, between master's attached structure, is bent by the generation of energy-dissipating and shock-absorbing part, sheared, reversed, rub, glued
The deformation of the hysteresis such as elasticity absorbs and the inputting seismic energy that dissipates, so as to reduce agent structure seismic response, it is to avoid structure is produced
Heavy damage is collapsed.Wherein, for connecting the energy-dissipating and shock-absorbing part of adjacent structure or structure adjacent members for energy-dissipating and shock-absorbing connects
Relay part.Under geological process, there is moderate finite deformation, absorb seismic energy in the energy-dissipating and shock-absorbing connection member of connection adjacent structure or component
Amount, it is to avoid the damage of agent structure under deformation constraint or collision, the reduction geological process of structure or component, in structural seismic damping
Aspect plays an important roll.
Laminated rubber bases have larger compression strength and less shear stiffness, are a kind of conventional energy-dissipating and shock-absorbing portions
Part, makes more ripe with production, is widely used in anti-seismic structure.However, when attachment structure or component, lamination
Rubber support is because tensile strength is low, torsional deflection is small, it is difficult to the vertical lateral resistant member of attachment structure and adjacent cross member.Hair
With the connection of the vertical lateral resistant member shear wall of structure and adjacent cross member floor as starting point, research and development one kind hales pressure to a person of good sense
The weak energy-dissipating and shock-absorbing connection member for cutting torsion, overcomes the shortcoming that laminated rubber bases tensile strength is low, torsional deflection is small, realizes haling
Pressure, the weak energy-dissipating and shock-absorbing connection for cutting torsion.
The content of the invention
The weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure is haled it is an object of the invention to provide a kind of, loosens laminated rubber branch
The torsional restraint of seat, strengthens its extensional rigidity, can be used for the connection of cross member and vertical lateral resistant member in structure.
To achieve these goals, the technical solution adopted in the present invention is：
It is a kind of to hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure, including laminated rubber bases, the buckle group of flexible connection
Part and end plate, described snap component include male plug part and mother board, and mother board one end is provided with groove, and male plug part one end is arranged on
Formed in groove can relative torsion flexible connection, the male plug part other end fixes with laminated rubber bases one end, end plate and lamination
The rubber support other end is fixed.
Further, described male plug part is reverse frustoconic steel plate, and mother board is first flange disk, and first flange disk lower end sets
Have a groove of reverse frustoconic, steel plate is arranged on and flexible connection is formed in groove, groove size be more than steel plate so that steel plate and
There is deformation space between groove inner wall；Steel plate lower end is fixed with laminated rubber bases upper end.
Further, with diameter greater than steel plate top surface diameter, groove bottom diameter is more than steel plate basal diameter to the groove top surface
And less than steel plate top surface diameter.
Further, described end plate is second flange disk, and second flange disk is fixed with laminated rubber bases lower end.
Further, described first flange disk is circle.
Further, described second flange disk is circle.
Described first flange disk can with it is pre-buried or be welded in the ring flange of agent structure and be connected by bolt.
Described second flange disk can with it is pre-buried or be welded in the ring flange of agent structure and be connected by bolt.
Described laminated rubber bases have big compressional stiffness and small shear stiffness, described snap component and described end
Plate shape is into big extensional rigidity and small torsional rigidity.
The present invention hales the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure when being pressurized, using the resistance to compression energy of laminated rubber bases
Power, there is provided larger compressional stiffness；During tension, the card of flexible connection is formed using the male plug part and mother board of complimentary section shape
Buckle structure, prevents tension from disengaging, there is provided larger extensional rigidity；When being cut, using the less shearing rigidity of laminated rubber bases,
The larger detrusion of generation；During torsion, using the buckle structure for leaving deformation space, torsional restraint is discharged, larger torsion occurs
Deformation.The present invention has larger Anti-pull-press ability, larger shearing torsional deflection can occur, and is installed in structure and can be used to connect
Structural cross-members and vertical lateral resistant member, reduce damage of the agent structure under geological process.
Due to using such scheme, the beneficial effects of the invention are as follows：
(1) hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure to be installed in structure, buckle structure and end during geological process
Plate provides big extensional rigidity and small torsional rigidity, overcomes that traditional laminated rubber bases tensile strength is low, torsional deformability is small
Shortcoming；(2) hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure to be installed in structure, can be used for attachment structure cross member and erect
To lateral resistant member, it is to avoid or reduce the damage of agent structure；(3) connection member is connected power transmission reliability, system with agent structure
Make simple, easy construction, can be widely applied to structural seismic field.
Brief description of the drawings
Fig. 1 is the side view of energy-dissipating and shock-absorbing connection member of the present invention.
Fig. 2 is the top view of energy-dissipating and shock-absorbing connection member of the present invention.
Fig. 3 is the upward view of energy-dissipating and shock-absorbing connection member of the present invention.
In figure：1- first flange disks；2- steel plates；3- grooves；4- buckle structure bolts；5- laminated rubber bases；6- second
Ring flange；7- bolted end-plates.
Specific embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in Figures 1 to 3, the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure, including lamination rubber are haled the present invention relates to a kind of
Glue bearing 5, the snap component of flexible connection and end plate.
Wherein, the snap component of flexible connection includes male plug part and mother board, and mother board one end is provided with groove 3, male plug part
Upper end be arranged in groove 3 formed can relative torsion flexible connection, male plug part lower end fixes with the upper end of laminated rubber bases 5,
End plate is fixed with the lower end of laminated rubber bases 5.
Described male plug part is reverse frustoconic steel plate 2, and mother board is circular first flange disk 1, and the lower end of first flange disk 1 sets
There is the groove 3 of reverse frustoconic, steel plate 2 is arranged on and flexible connection is formed in groove 3, and the size of groove 3 is more than steel plate so that steel
There is deformation space between plate and groove inner wall；The lower end of steel plate 2 is fixed with the upper end of laminated rubber bases 5.
Wherein, the top surface of groove 3 is with diameter greater than the top surface diameter of steel plate 2, the basal diameter of groove 3 more than the basal diameter of steel plate 2 and
Less than the top surface diameter of steel plate 2, thus, deformation space is left between the inwall of groove 3 of reverse frustoconic steel plate 2 and first flange disk 1,
Deformation space can insert lubricating oil reduce friction, formed can relative torsion and can prevent tension disengagement buckle structure.Described
The lower end bottom surface of steel plate 2 is fixed with laminated rubber bases 5 by inner sealed board and interior envelope bolt.First flange disk 1 can with it is pre-buried or
The ring flange for being welded in agent structure is connected by buckle structure bolt 4.
As shown in figures 1 and 3, using circular second flange disk 6, second flange disk 6 passes through end plate with laminated rubber bases 5
Inner sealed board and interior envelope bolt are fixed.Second flange disk 6 can with it is pre-buried or be welded in agent structure ring flange pass through bolted end-plate 7
It is connected.
Described laminated rubber bases 5 have big compressional stiffness and a small shear stiffness, described buckle structure and described
End plate forms big extensional rigidity and small torsional rigidity.
Stress and deformation analysis during design according to structure adjacent members under geological process determine connecting portion of the present invention
The quantity of part, positions and dimensions.
Structural seismic field is the composite can be widely applied to, the cross member that can be used in attachment structure and vertical lateral resisting
Component, with larger Anti-pull-press ability, can occur larger shearing torsional deflection, and the aseismic deformability of effective enhancing structure subtracts
Damage of the small agent structure under geological process.Present invention connection power transmission is reliable, simple, easy construction is made, with good
Application prospect and technical economic benefit.
The above-mentioned description to embodiment is to be understood that and apply this hair for ease of those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to implementation here
Example, those skilled in the art's announcement of the invention, the improvement made for the present invention and modification all should be of the invention
Within protection domain.
Claims (6)
- It is 1. a kind of to hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure, it is characterised in that：It includes laminated rubber bases, flexibility even The snap component and end plate for connecing, described snap component include male plug part and mother board, and mother board one end is provided with groove, male plug part One end be arranged in groove formed can relative torsion flexible connection, the male plug part other end fixes with laminated rubber bases one end, End plate is fixed with the laminated rubber bases other end.
- It is 2. according to claim 1 to hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure, it is characterised in that：Described male plug Part is reverse frustoconic steel plate, and mother board is first flange disk, and first flange disk lower end is provided with the groove of reverse frustoconic, and steel plate is installed Flexible connection is formed in groove, groove size is more than steel plate so that having deformation space between steel plate and groove inner wall； Steel plate lower end is fixed with laminated rubber bases upper end.
- It is 3. according to claim 2 to hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure, it is characterised in that：The groove top With diameter greater than steel plate top surface diameter, groove bottom diameter is more than steel plate basal diameter and less than steel plate top surface diameter in face.
- It is 4. according to claim 1 to hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure, it is characterised in that：Described end plate It is second flange disk, second flange disk is fixed with laminated rubber bases lower end.
- It is 5. according to claim 2 to hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure, it is characterised in that：Described first Ring flange is circle.
- It is 6. according to claim 4 to hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure, it is characterised in that：Described second Ring flange is circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710111150.3A CN106759953A (en) | 2017-02-28 | 2017-02-28 | Hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710111150.3A CN106759953A (en) | 2017-02-28 | 2017-02-28 | Hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106759953A true CN106759953A (en) | 2017-05-31 |
Family
ID=58959034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710111150.3A Pending CN106759953A (en) | 2017-02-28 | 2017-02-28 | Hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106759953A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237421A (en) * | 2017-08-08 | 2017-10-10 | 上海方寻减振科技有限公司 | Attachment means and seismic energy dissipation structure for energy dissipation component |
| CN109163044A (en) * | 2018-10-19 | 2019-01-08 | 鞍山新磁电子有限公司 | A kind of damping rubber pad for preventing from tearing and deforming |
| CN111648464A (en) * | 2020-05-27 | 2020-09-11 | 查晓雄 | Plate-structure prefabricated house utilizing corner parts for connecting force transmission and energy consumption |
| CN112922176A (en) * | 2021-01-27 | 2021-06-08 | 江苏海洋大学 | Self-resetting side-shear-resistant wall and floor connecting device and using method thereof |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020020122A1 (en) * | 2000-08-18 | 2002-02-21 | Mueller Lee W. | Frame shear assembly for walls |
| CN2839418Y (en) * | 2005-09-29 | 2006-11-22 | 同济大学 | Combined vibrating resisting support |
| US20090126288A1 (en) * | 2007-03-29 | 2009-05-21 | Fanucci Jerome P | Shape memory alloy composite material shock and vibration isolator devices |
| CN101725192A (en) * | 2010-01-19 | 2010-06-09 | 同济大学 | Tension and compression combined shock absorption and isolation component |
| CN201588303U (en) * | 2009-10-26 | 2010-09-22 | 上海英谷桥梁科技有限公司 | 3D damping bearing capable of releasing torsional deformations |
| CN202298454U (en) * | 2011-11-10 | 2012-07-04 | 衡水橡胶股份有限公司 | Auto-resetting seism reduction and insulation pot type rubber support seat |
| CN103669578A (en) * | 2013-12-12 | 2014-03-26 | 海南大学 | Rotary shock insulation support |
| CN103806570A (en) * | 2014-01-29 | 2014-05-21 | 中国航空规划建设发展有限公司 | Anti-torsion integrated shock insulation support anti-tension device |
| CN104452975A (en) * | 2014-12-19 | 2015-03-25 | 四川省建筑科学研究院 | Vertical shock insulation support and manufacturing method thereof |
| CN104499571A (en) * | 2014-12-12 | 2015-04-08 | 上海大学 | Reversible anti-dumping composite rubber seismic isolation support |
| CN106192742A (en) * | 2016-08-31 | 2016-12-07 | 浙江秦山橡胶工程股份有限公司 | The rubber support that a kind of damping performance is strong |
| CN106930416A (en) * | 2017-02-28 | 2017-07-07 | 浙江科技学院 | The connecting node of replaceable coupling beam Coupled Shear Wall and floor |
| CN206591646U (en) * | 2017-02-28 | 2017-10-27 | 浙江科技学院 | A kind of hale presses the weak energy-dissipating and shock-absorbing connection member for cutting torsion |
| CN111206697A (en) * | 2020-03-11 | 2020-05-29 | 河北安厦新材料科技有限公司 | Friction pendulum shock insulation support with anti-pulling and zero-clearance rotation functions |
-
2017
- 2017-02-28 CN CN201710111150.3A patent/CN106759953A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020020122A1 (en) * | 2000-08-18 | 2002-02-21 | Mueller Lee W. | Frame shear assembly for walls |
| CN2839418Y (en) * | 2005-09-29 | 2006-11-22 | 同济大学 | Combined vibrating resisting support |
| US20090126288A1 (en) * | 2007-03-29 | 2009-05-21 | Fanucci Jerome P | Shape memory alloy composite material shock and vibration isolator devices |
| CN201588303U (en) * | 2009-10-26 | 2010-09-22 | 上海英谷桥梁科技有限公司 | 3D damping bearing capable of releasing torsional deformations |
| CN101725192A (en) * | 2010-01-19 | 2010-06-09 | 同济大学 | Tension and compression combined shock absorption and isolation component |
| CN202298454U (en) * | 2011-11-10 | 2012-07-04 | 衡水橡胶股份有限公司 | Auto-resetting seism reduction and insulation pot type rubber support seat |
| CN103669578A (en) * | 2013-12-12 | 2014-03-26 | 海南大学 | Rotary shock insulation support |
| CN103806570A (en) * | 2014-01-29 | 2014-05-21 | 中国航空规划建设发展有限公司 | Anti-torsion integrated shock insulation support anti-tension device |
| CN104499571A (en) * | 2014-12-12 | 2015-04-08 | 上海大学 | Reversible anti-dumping composite rubber seismic isolation support |
| CN104452975A (en) * | 2014-12-19 | 2015-03-25 | 四川省建筑科学研究院 | Vertical shock insulation support and manufacturing method thereof |
| CN106192742A (en) * | 2016-08-31 | 2016-12-07 | 浙江秦山橡胶工程股份有限公司 | The rubber support that a kind of damping performance is strong |
| CN106930416A (en) * | 2017-02-28 | 2017-07-07 | 浙江科技学院 | The connecting node of replaceable coupling beam Coupled Shear Wall and floor |
| CN206591646U (en) * | 2017-02-28 | 2017-10-27 | 浙江科技学院 | A kind of hale presses the weak energy-dissipating and shock-absorbing connection member for cutting torsion |
| CN111206697A (en) * | 2020-03-11 | 2020-05-29 | 河北安厦新材料科技有限公司 | Friction pendulum shock insulation support with anti-pulling and zero-clearance rotation functions |
Non-Patent Citations (2)
| Title |
|---|
| 吕西林等: "带有可更换构件的结构体系研究进展", 《地震工程与工程振动》 * |
| 陈静等: "橡胶隔震支座扭转刚度的研究", 《铁道建筑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237421A (en) * | 2017-08-08 | 2017-10-10 | 上海方寻减振科技有限公司 | Attachment means and seismic energy dissipation structure for energy dissipation component |
| CN109163044A (en) * | 2018-10-19 | 2019-01-08 | 鞍山新磁电子有限公司 | A kind of damping rubber pad for preventing from tearing and deforming |
| CN111648464A (en) * | 2020-05-27 | 2020-09-11 | 查晓雄 | Plate-structure prefabricated house utilizing corner parts for connecting force transmission and energy consumption |
| CN112922176A (en) * | 2021-01-27 | 2021-06-08 | 江苏海洋大学 | Self-resetting side-shear-resistant wall and floor connecting device and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106759953A (en) | Hale the weak energy-dissipating and shock-absorbing connection member for cutting torsion of pressure | |
| CN103966946B (en) | The spring-rubber of bridge subtracts shock isolation system | |
| CN206090915U (en) | Shock attenuation building structure | |
| US20130174501A1 (en) | Compressed elastomer damper for earthquake hazard reduction | |
| CN204825622U (en) | Elastoplasticity steel damping benzvalene form support is pulled out to tensile | |
| CN206109973U (en) | Steel structure damping support | |
| CN106759927A (en) | A kind of tandem type laminated rubber spring three-dimensional compounded shock isolating pedestal | |
| CN106592772A (en) | Parallel laminated rubber-spring three-dimensional composite seismic isolation support | |
| CN101881090A (en) | Variable-rigidity shock insulation support | |
| CN103233531A (en) | Assembly-type viscoelastic damping wall | |
| CN206591646U (en) | A kind of hale presses the weak energy-dissipating and shock-absorbing connection member for cutting torsion | |
| KR20120078108A (en) | A device for coupling beam on column | |
| JP3111286U (en) | Damping reinforcement wall panel | |
| CN203475602U (en) | Inclined strut conversion structure applied to high-rise buildings | |
| CN202767356U (en) | Damping and shake-proof building wall and floor | |
| CN204570978U (en) | Disc spring lead-rubber three-dimensional shock absorbing support | |
| CN204940579U (en) | Tandem tension shock isolating pedestal | |
| CN114922296B (en) | Three-dimensional energy-consumption shock-insulation support | |
| CN207761094U (en) | A kind of Seismic Isolation of Isolation Layer structure | |
| CN106088391A (en) | Tuning quality type surrender energy-dissipating and shock-absorbing wall device | |
| CN209723233U (en) | High strength steel earthquake-resistant structure connector | |
| CN205577152U (en) | Installation node of wallboard connecting piece and wallboard | |
| CN104790553B (en) | Combined mild steel damper | |
| CN108915093B (en) | Tensile enhancement type rubber shock insulation support | |
| CN210460135U (en) | Vibration reduction and isolation damping chain cable support |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |