CN110438850A - A kind of Damping fastening - Google Patents
A kind of Damping fastening Download PDFInfo
- Publication number
- CN110438850A CN110438850A CN201910335037.2A CN201910335037A CN110438850A CN 110438850 A CN110438850 A CN 110438850A CN 201910335037 A CN201910335037 A CN 201910335037A CN 110438850 A CN110438850 A CN 110438850A
- Authority
- CN
- China
- Prior art keywords
- assembly
- damping fastening
- department
- lower bolster
- upper padding
- 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
- 238000013016 damping Methods 0.000 title claims abstract description 65
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 210000002421 cell wall Anatomy 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
- E01B9/40—Tie-plates for flat-bottom rails
- E01B9/42—Tie-plates for flat-bottom rails of two or more parts
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
- E01B9/685—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Connection Of Plates (AREA)
Abstract
The present invention provides a kind of Damping fastenings, including upper padding plate, lower bolster and connector, the connector includes first end, interconnecting piece and the second end, one end of the first end and interconnecting piece is vertically arranged, the other end of the second end and the interconnecting piece is vertically arranged, there is angle between the first end and the second end, first department of assembly is set on the lower bolster, second department of assembly is set on the upper padding plate, the upper padding plate and lower bolster are detachably connected by the Damping fastening by the interconnecting piece, Damping fastening of the present invention only realizes the assembly of the Damping fastening by the insertion of the connector and rotation, step is simple, assembly efficiency is high.
Description
Technical field
The present invention relates to technical field of rail traffic, in particular to a kind of Damping fastening.
Background technique
The Damping fastening of rail is the important component of rail traffic middle orbit system, its effect be fixed rail simultaneously
The correct position for keeping rail, passes to sub-rail foundation for power suffered by rail, provides support elasticity for rail, plays vibration damping
The effect of noise reduction.
With the fast development and Large scale construction of rail traffic, Damping fastening is also widely used, existing vibration damping button
Part is due to connecting-piece structure complexity, and on the one hand in assembling process, so that assembling process is cumbersome, assembly efficiency is low, serious shadow
The construction efficiency of Damping fastening is rung；On the other hand, due to connecting-piece structure complexity, for the dimensional accuracy of Damping fastening
It is required that high, manufacture difficulty is big.
Therefore it provides it is those skilled in the art's technical problem urgently to be resolved that one kind, which is capable of the Damping fastening of quick assembling,
One of.
Summary of the invention
In view of this, the present invention is directed to propose a kind of Damping fastening, to solve, current Damping fastening assembling structure is complicated, makes
Manufacturing accuracy requires the problem high, assembling process is cumbersome, installation effectiveness is low.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of Damping fastening, including upper padding plate, lower bolster and connector, the connector include first end, interconnecting piece
And the second end, one end of the first end and interconnecting piece are vertically arranged, the second end is another with the interconnecting piece
End is vertically arranged, and has angle between the first end and the second end, the first department of assembly is arranged on the lower bolster, described
Second department of assembly is set on upper padding plate, and the Damping fastening is detachably connected the upper padding plate and lower bolster by the interconnecting piece
It connects.
Further, the angle between the first end and the second end is 90 °.
Further, first department of assembly includes the through-hole being arranged on the lower bolster and is located above the through-hole
Tongue, the tongue have with the consistent opening portion of the second end shape so that the second end can pass through
The opening portion, the tongue are located at close to the side of the upper padding plate.
Further, second department of assembly include positioned at close to the lower bolster side tongue, the tongue have with
The consistent opening portion of the second end shape, so that the second end can pass through the opening portion.
Further, the Damping fastening include from top to bottom, the upper padding plate, the first elastic cushion, middle pad that set gradually
Plate, the second elastic cushion and lower bolster, the Damping fastening are attached by connector, first elastic cushion, intermediate pads,
Second elastic cushion is equipped with through-hole, and the connector can pass through the through-hole, and then realize the connection of upper padding plate and lower bolster.
Further, cross spacing structure is arranged in the side wall of the Damping fastening.
Further, the cross spacing structure is to be set in the ring structure of the Damping fastening periphery.
Compared with the existing technology, Damping fastening of the present invention has the advantage that the Damping fastening only passes through
The assembly of the Damping fastening is realized in the insertion and rotation of the connector, and step is simple, assembly efficiency is high；The vibration damping button
The connecting-piece structure of part is simple, not high to fit dimension required precision between different components.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the connector of Damping fastening described in the embodiment of the present invention；
Fig. 2 is the assembly method schematic diagram of Damping fastening described in the embodiment of the present invention；
Fig. 3 is the positive structure diagram of Damping fastening described in the embodiment of the present invention；
Fig. 4 is the oblique view of structural diagram of Damping fastening described in the embodiment of the present invention；
Fig. 5 is the present invention looks up structural representation of Damping fastening described in the embodiment of the present invention；
Fig. 6 is another assembly method schematic diagram of Damping fastening described in the embodiment of the present invention；
Fig. 7 is the Structure explosion diagram of Damping fastening described in the embodiment of the present invention；
Fig. 8 is the assembly method schematic diagram of the cross spacing structure of Damping fastening described in the embodiment of the present invention；
Fig. 9 is that the another strabismus structure of Damping fastening described in the embodiment of the present invention is intended to.
Description of symbols:
1- connector, 101- first end, 102- interconnecting piece, 103- the second end, 2- lower bolster, 201- first are assembled
Portion, 3- upper padding plate, the second department of assembly 301-, the first elastic cushion of 4-, 5- intermediate pads, the second elastic cushion of 6-, 7- cross spacing knot
Structure.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In addition, the description of " first ", " second " etc. involved in invention is used for description purposes only, and should not be understood as indicating
Or it implies its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " are defined as a result,
Feature can explicitly or implicitly include at least one of the features.In addition, technical solution between each embodiment can be with
It is combined with each other, but must be based on can be realized by those of ordinary skill in the art, when phase occurs in the combination of technical solution
Mutual contradiction or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection scope
Within.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
As shown in Figs. 1-5, a kind of Damping fastening, including upper padding plate 3, lower bolster 2 and connector 1, the connector 1 include
One end of first end 101, interconnecting piece 102 and the second end 103, the first end 101 and interconnecting piece 102 is vertically arranged,
The other end of the second end 103 and the interconnecting piece 102 is vertically arranged, the first end 101 and the second end 103 it
Between there is angle, the first department of assembly 201 is set on the lower bolster 2, the second department of assembly 301 is set on the upper padding plate 3, it is described
The upper padding plate 3 and lower bolster 2 are detachably connected by Damping fastening by the interconnecting piece 102.
Preferably, the angle between the first end 101 and the second end 103 is 90 °.
First department of assembly 201 includes the through-hole that is arranged on the lower bolster 2 and convex above the through-hole
Slot, the tongue have with the consistent opening portion of 103 shape of the second end so that the second end 103 can be worn
The opening portion is crossed, the tongue is located at close to the side of the upper padding plate 3.Preferably, the two sides of the tongue are described in
The semi-cylindrical cell wall that through-hole edge extended out be oppositely arranged, the string relative spacing of two sidewalls are arranged in parallel, and are formed open
Portion.
Second department of assembly 301 includes positioned at the tongue close to 2 side of lower bolster, and the tongue has and described the
The consistent opening portion of two ends, 103 shape, so that the second end 103 can pass through the opening portion.Preferably, described
The two sides of tongue are the semi-cylindrical cell wall being oppositely arranged to extend out from the through-hole edge, the string relative spacing of two sidewalls
It is arranged in parallel, forms opening portion.More preferred, the semi-cylindrical cell wall is hollow semi-cylindrical cell wall, described
The accommodation space of the second end 103 is formed in second department of assembly 301.
Further, the connector 1 is metal material, it is preferred that the external setting insulating layer or exhausted of the connector 1
Edge set or the connector 1 can also be higher than the nonmetallic materials of metal material for tensile strength.
In assembly, the upper padding plate 3 and about 2 lower bolster are put together first, and by first department of assembly
201 and second department of assembly 301 overlap, it is then that the second end 103 of the connector 1 is bottom-up, sequentially pass through institute
The first department of assembly 201 and the second department of assembly 301 are stated, finally, the connector 1 is rotated a certain angle, so that the connection
The second end 103 of part 1 and first department of assembly 201 and the second department of assembly 301 are arranged in a crossed manner, and the vibration damping button can be completed
The assembly of part, the Damping fastening only realize the assembly of the Damping fastening, step by the insertion of the connector 1 and rotation
Simply, assembly efficiency is high.
The Damping fastening is the Damping fastening of lower part self-locking.
Embodiment 2
The Damping fastening may be the Damping fastening of top self-locking.Specifically, as shown in fig. 6, the upper padding plate 3
It is equipped with the second department of assembly 301, the lower bolster 2 is equipped with the first department of assembly 201.
Second department of assembly 301 includes the through-hole that is arranged on the upper padding plate 3 and convex below the through-hole
Slot, the tongue have with the consistent opening portion of 103 shape of the second end so that the second end 103 can be worn
The opening portion is crossed, the tongue is located at close to the side of the lower bolster 2.Preferably, the two sides of the tongue are described in
The semi-cylindrical cell wall that through-hole edge extended out be oppositely arranged, the string relative spacing of two sidewalls are arranged in parallel, and are formed open
Portion.
Further, first department of assembly 201 includes positioned at the tongue close to 3 side of upper padding plate, the tongue
Have with the consistent opening portion of 103 shape of the second end so that the second end 103 can pass through the opening portion.
Preferably, the two sides of the tongue are the semi-cylindrical cell wall being oppositely arranged to extend out from the through-hole edge, two sidewalls
String relative spacing be arranged in parallel, formed opening portion.More preferred, the semi-cylindrical cell wall is hollow semi-cylindrical groove
Wall, to form the accommodation space of the second end 103 in first department of assembly 201.
In assembly, the upper padding plate 3 and about 2 lower bolster are put together first, and by first department of assembly
201 and second department of assembly 301 overlap, then by the second end 103 of the connector 1 from up to down, sequentially pass through institute
The second department of assembly 301 and the first department of assembly 201 are stated, finally, the connector 1 is rotated a certain angle, so that the connection
The second end 103 of part 1 and first department of assembly 201 and the second department of assembly 301 are arranged in a crossed manner, and the vibration damping button can be completed
The assembly of part, the Damping fastening only realize the assembly of the Damping fastening, step by the insertion of the connector 1 and rotation
Simply, assembly efficiency is high.
Embodiment 3
The Damping fastening may be multilayer Damping fastening.Specifically, as Figure 7-9, the Damping fastening includes
From top to bottom, upper padding plate 3, the first elastic cushion 4, intermediate pads 5, the second elastic cushion 6 and the lower bolster 2 set gradually is described more
Layer Damping fastening is attached by connector 1, and the upper padding plate 3 is equipped with the second department of assembly 301, is set on the lower bolster 2
There is the first department of assembly 201, the structure of second department of assembly 301 and the first department of assembly 201 is with embodiment 1, and details are not described herein.
First elastic cushion 4, intermediate pads 5, the second elastic cushion 6 are equipped with through-hole, and the connector 1 can pass through the through-hole,
And then realize the connection of upper padding plate 3 and lower bolster 2.
Further, cross spacing structure 7 is arranged in the side wall of the Damping fastening, it is preferred that the cross spacing knot
Structure 7 is the ring structure for being set in the Damping fastening periphery.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of Damping fastening, including upper padding plate (3), lower bolster (2) and connector (1), which is characterized in that the connector
It (1) include first end (101), interconnecting piece (102) and the second end (103), the first end (101) and interconnecting piece
(102) one end is vertically arranged, and the second end (103) and the other end of the interconnecting piece (102) are vertically arranged, and described
There is angle between one end (101) and the second end (103), the first department of assembly (201), institute are set on the lower bolster (2)
It states and is arranged on upper padding plate (3) the second department of assembly (301), the Damping fastening passes through the interconnecting piece (102) for the upper padding plate
(3) it is detachably connected with lower bolster (2).
2. Damping fastening according to claim 1, which is characterized in that the first end (101) and the second end (103)
Between angle be 90 °.
3. Damping fastening according to claim 1, which is characterized in that first department of assembly (201) includes being arranged in institute
The through-hole on lower bolster (2) and the tongue above the through-hole are stated, the tongue has and the second end (103) shape
The consistent opening portion of shape, so that the second end (103) can pass through the opening portion, the tongue is located at close to described
The side of upper padding plate (3).
4. Damping fastening according to claim 1, which is characterized in that second department of assembly (301) includes positioned at close
The tongue of lower bolster (2) side, the tongue have with the consistent opening portion of the second end (103) shape so that
The second end (103) can pass through the opening portion.
5. Damping fastening according to claim 1, which is characterized in that the Damping fastening includes from top to bottom, successively setting
Upper padding plate (3), the first elastic cushion (4), intermediate pads (5), the second elastic cushion (6) and the lower bolster (2) set, the Damping fastening
It is attached by connector (1), the upper padding plate (3) is equipped with the second department of assembly (301), and the lower bolster (2) is equipped with
First department of assembly (201), first elastic cushion (4), intermediate pads (5), the second elastic cushion (6) are equipped with through-hole, the company
Fitting (1) can pass through the through-hole, and then realize the connection of upper padding plate (3) and lower bolster (2).
6. Damping fastening according to claim 1, which is characterized in that cross spacing knot is arranged in the side wall of the Damping fastening
Structure (7).
7. Damping fastening according to claim 6, which is characterized in that the cross spacing structure (7) is described to be set in
The ring structure of Damping fastening periphery.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810408089 | 2018-05-02 | ||
| CN2018104080893 | 2018-05-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110438850A true CN110438850A (en) | 2019-11-12 |
| CN110438850B CN110438850B (en) | 2024-03-22 |
Family
ID=68428189
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920568363.3U Withdrawn - After Issue CN210529379U (en) | 2018-05-02 | 2019-04-24 | Vibration damping fastener |
| CN201910335037.2A Active CN110438850B (en) | 2018-05-02 | 2019-04-24 | Vibration damping fastener |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920568363.3U Withdrawn - After Issue CN210529379U (en) | 2018-05-02 | 2019-04-24 | Vibration damping fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN210529379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431074A (en) * | 2020-12-14 | 2021-03-02 | 中铁二院工程集团有限责任公司 | Double-layer track vibration reduction fastener with shoulder |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210529379U (en) * | 2018-05-02 | 2020-05-15 | 洛阳双瑞橡塑科技有限公司 | Vibration damping fastener |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020050100A (en) * | 2001-11-28 | 2002-06-26 | 김충익 | Direct fastening device with absorbing vibration of rail |
| CN203475244U (en) * | 2013-05-30 | 2014-03-12 | 洛阳双瑞橡塑科技有限公司 | Steel rail damping fastener |
| US20150345083A1 (en) * | 2012-12-06 | 2015-12-03 | Gunther Veit | Vibration Absorber Arrangement |
| CN105648847A (en) * | 2015-12-30 | 2016-06-08 | 洛阳双瑞橡塑科技有限公司 | Manufacturing method for separation type double-layer turnout shock-absorbing fastener system |
| CN205839491U (en) * | 2016-07-27 | 2016-12-28 | 洛阳科博思新材料科技有限公司 | The double-layer vibration damping fastener of snap assembled |
| CN206328643U (en) * | 2016-12-19 | 2017-07-14 | 京投科技（北京）有限公司 | A kind of transverse translation of steel rail vibration reduction fastener upper padding plate and upset restraint device |
| CN107747255A (en) * | 2017-11-08 | 2018-03-02 | 西安卓控环保科技有限公司 | The steel rail vibration reduction fastener that a kind of lateral stiffness and vertical rigidity are separately controlled |
| CN107780312A (en) * | 2016-08-30 | 2018-03-09 | 洛阳双瑞橡塑科技有限公司 | A kind of readily removable assembled separation type double-layer vibration damping fastener system |
| CN210529379U (en) * | 2018-05-02 | 2020-05-15 | 洛阳双瑞橡塑科技有限公司 | Vibration damping fastener |
-
2019
- 2019-04-24 CN CN201920568363.3U patent/CN210529379U/en not_active Withdrawn - After Issue
- 2019-04-24 CN CN201910335037.2A patent/CN110438850B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020050100A (en) * | 2001-11-28 | 2002-06-26 | 김충익 | Direct fastening device with absorbing vibration of rail |
| US20150345083A1 (en) * | 2012-12-06 | 2015-12-03 | Gunther Veit | Vibration Absorber Arrangement |
| CN203475244U (en) * | 2013-05-30 | 2014-03-12 | 洛阳双瑞橡塑科技有限公司 | Steel rail damping fastener |
| CN105648847A (en) * | 2015-12-30 | 2016-06-08 | 洛阳双瑞橡塑科技有限公司 | Manufacturing method for separation type double-layer turnout shock-absorbing fastener system |
| CN205839491U (en) * | 2016-07-27 | 2016-12-28 | 洛阳科博思新材料科技有限公司 | The double-layer vibration damping fastener of snap assembled |
| CN107780312A (en) * | 2016-08-30 | 2018-03-09 | 洛阳双瑞橡塑科技有限公司 | A kind of readily removable assembled separation type double-layer vibration damping fastener system |
| CN206328643U (en) * | 2016-12-19 | 2017-07-14 | 京投科技（北京）有限公司 | A kind of transverse translation of steel rail vibration reduction fastener upper padding plate and upset restraint device |
| CN107747255A (en) * | 2017-11-08 | 2018-03-02 | 西安卓控环保科技有限公司 | The steel rail vibration reduction fastener that a kind of lateral stiffness and vertical rigidity are separately controlled |
| CN210529379U (en) * | 2018-05-02 | 2020-05-15 | 洛阳双瑞橡塑科技有限公司 | Vibration damping fastener |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431074A (en) * | 2020-12-14 | 2021-03-02 | 中铁二院工程集团有限责任公司 | Double-layer track vibration reduction fastener with shoulder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN210529379U (en) | 2020-05-15 |
| CN110438850B (en) | 2024-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110438850A (en) | A kind of Damping fastening | |
| CN206829169U (en) | A kind of assembled architecture elastic anti-seismic suspension column seat | |
| CN104929245A (en) | Negative-rigidity seismic isolation support | |
| CN104298840B (en) | A kind of determination method of triangular section steel tower tower body wind load | |
| CN106207043A (en) | Battery fixing bracket and set of cells | |
| CN208749363U (en) | A kind of shield duct piece is connected and fixed device | |
| CN107035017A (en) | Damper is surrendered stage by stage | |
| JP4904469B2 (en) | Glass screen structure | |
| CN107268848B (en) | Hyperboloid respiration type glass curtain wall structure | |
| CN206941862U (en) | A kind of sliding equipment | |
| Millman | Electronic energy bands in metallic lithium | |
| CN209039581U (en) | Quartzy even flow plate | |
| CN105896764B (en) | Sealed electrical compressor | |
| CN207830862U (en) | The mounting base and camera module installing mechanism of camera module | |
| CN213901438U (en) | Combined air conditioner frame structure | |
| CN109139732B (en) | Single body separating finger type diaphragm spring | |
| CN106499715A (en) | A kind of multifunctional spacer | |
| CN206850646U (en) | A kind of linear vibration motor | |
| CN206399258U (en) | Equalizing plate structure | |
| CN106342052B (en) | Helicopter composite material web and edge strip anti-crash structure | |
| EP3334010A1 (en) | Rotor for use in motor and motor adopting same | |
| CN212613179U (en) | Waste material system insulating brick of power plant | |
| CN220620430U (en) | Underground warehouse | |
| CN103836733A (en) | Pipe fixing rubber block of air conditioner external unit | |
| CN220629799U (en) | Terminal equipment shell and terminal equipment |
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 |