CN206070357U - Possesses the hyperboloid spheroidal bearer of shock absorption and insulation of anti-lift beam and girder falling function - Google Patents
Possesses the hyperboloid spheroidal bearer of shock absorption and insulation of anti-lift beam and girder falling function Download PDFInfo
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- CN206070357U CN206070357U CN201620983329.9U CN201620983329U CN206070357U CN 206070357 U CN206070357 U CN 206070357U CN 201620983329 U CN201620983329 U CN 201620983329U CN 206070357 U CN206070357 U CN 206070357U
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Abstract
This utility model is related to a kind of hyperboloid spheroidal bearer of shock absorption and insulation for possessing anti-lift beam and girder falling function, and the bearing is provided with lower seat board, middle seat board and upper base plate；Four side of top of the lower seat board is equipped with limiting plate, and on lower seat board and upper base plate, the outside of sliding concave spherical surface is equipped with embedded annulus；The middle seat board is arranged in the space that the sliding concave spherical surface and embedded annulus of lower seat board and upper base plate is surrounded, and the space for surrounding is with diameter greater than the diameter of middle seat board；This utility model is by arranging limiting plate in four side of top of lower seat board, and embedded annulus is set on upper base plate and lower seat board, middle seat board is arranged in the space that the sliding concave spherical surface and embedded annulus of lower seat board and upper base plate is surrounded, and the space for surrounding is with diameter greater than the diameter of middle seat board, can effectively solving beam body fall the problem of beam.
Description
Technical field
This utility model is related to bridge structure or technical field of buildings, and specifically one kind possesses anti-lift beam and girder falling
The hyperboloid spheroidal bearer of shock absorption and insulation of function.
Background technology
Highway bridge uses steel structure bridge in a large number now, while railroad bridge adopts gapless track mostly.Current hyperbolic
Face ball-type vibration reducing obstructing support base is frequently accompanied by vertical rising in horizontal sliding process, forms beam body and raises phenomenon, causes steel structure
The internal force redistribution of bridge and the flatness of railroad track, easily cause traffic safety hidden danger.Meanwhile, the shake of vibration absorption and isolation support
Displacement afterwards is generally designed by seismic Calculation result, but there are a variety of unpredictable factors during earthquake, however not excluded that displacement after shake surpasses
Go out the probability of calculated value, when bearing is moved at maximum displacement in the case of seismic events, because no block, easily makes
It is dangerous into the beam body beam that falls.
Utility model content
Beam body is easily formed for above-mentioned existing hyperboloid spheroidal bearer of shock absorption and insulation and raises phenomenon, easily cause traffic safety
Hidden danger and earthquake beam body fall beam it is dangerous the problems such as, this utility model provides a kind of hyperboloid for possessing anti-lift beam and girder falling function
Ball-type vibration reducing obstructing support base.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is：
It is a kind of possess it is anti-lift beam and girder falling function hyperboloid spheroidal bearer of shock absorption and insulation, the bearing be provided with lower seat board, in
Seat board and upper base plate, the top and upper base plate bottom of the lower seat board are equipped with sliding concave spherical surface, the upper and lower table of the middle seat board
Face is convex spherical；The top of the lower seat board and the bottom of middle seat board are respectively equipped with the concave spherical surface slide plate and convex spherical for matching
Slide plate, the top of middle seat board and the bottom of upper base plate are respectively equipped with the convex spherical slide plate and concave spherical surface slide plate for matching, and are additionally provided with
Footstock plate and limiting plate, the footstock plate are arranged on the top of upper base plate, and footstock plate bottom is formed around block；Upper base plate it is upper
The bottom of portion and footstock plate is equipped with plane slide plate；The spacing direction both sides in top of the lower seat board are equipped with limiting plate, lower seat
On plate and upper base plate, the outside of sliding concave spherical surface is equipped with embedded annulus；The middle seat board is arranged on the cunning of lower seat board and upper base plate
Move in the space that concave spherical surface and embedded annulus are surrounded, and the space for surrounding is with diameter greater than the diameter of middle seat board.
Concave spherical surface slide plate and convex spherical slide plate difference between the upper base plate and middle seat board, between middle seat board and lower seat board
Sphere friction pair and lower peripheral surface friction pair on composition, the two friction pairs are slip and pivoting friction pair, and the concave spherical surface is slided
Plate and convex spherical slide plate one of them be rustless steel spherical slide plate, another is nonmetallic spherical slide plate.
Plane slide plate composition flat frictional pair between the footstock plate and upper base plate, one of them is slided for rustless steel plane
Plate, another is nonmetallic plane slide plate.
Blade fin is equipped with the inside of surrounding and block corresponding thereto outside the top of the upper base plate.
Blade fin is equipped with the inside of surrounding and limiting plate corresponding thereto outside the bottom of the upper base plate.
The middle seat board is the upper and lower surface cylinder in convex spherical.
The beneficial effects of the utility model：
What this utility model was provided possesses the hyperboloid spheroidal bearer of shock absorption and insulation of anti-lift beam and girder falling function, by under
The spacing direction in top of seat board arranges limiting plate, and embedded annulus is arranged on upper base plate and lower seat board, and middle seat board is arranged on down
In the space that the sliding concave spherical surface and embedded annulus of seat board and upper base plate is surrounded, and the space for surrounding is straight with diameter greater than middle seat board
Footpath, can effectively solving beam body fall the problem of beam；During normal operation, the curved surface friction pair of bearing is constrained by surrounding limiting plate, only
Flat frictional pair between footstock plate and upper base plate is horizontally slidable, and bearing normally slides the lifting that will not bring beam body, full
Sufficient bridge normally drive a vehicle stationarity requirement；During little shake, the flat frictional pair of bearing is slided first, may run to horizontal limeit
Position, in ultimate lateral bearing capacity of the seismic force less than limiting plate, limiting plate still functions as position-limiting action, and bearing plays hard anti-
Formula bearing function；During middle shake, when earthquake horizontal force exceedes the ultimate lateral bearing capacity of limiting plate, limiting plate is cut off brokenly
Bad, the level slip constraint release of two sphere friction pairs, bearing are double with lower seat board with middle seat board, middle seat board by upper base plate
Sphere anabolic effect realizes that horizontal reciprocating slides, during reciprocatingly sliding, by the frictional resistance dissipation seismic energy of sliding surface
Amount, and extending structure natural vibration period, reach damping and isolation effect；During big shake, bearing is run at earthquake maximum displacement, and bearing is in water
Square contact with each other to the permanent block of footstock plate from top to bottom and upper base plate upper side position, the embedded annulus in upper base plate bottom with
Middle seat board contact squeeze, the embedded annulus contact squeeze in middle seat board and lower seat board top, such bearing all parts in the horizontal direction
Contact with each other extruding successively, prevents beam body from moving forward and finally realizes the girder falling function of bearing；After earthquake,
Seat superstructure deadweight along curved surface direction component as restoring force, make bearing reset.
Description of the drawings
Fig. 1 is 1 structural representation of this utility model embodiment；
Fig. 2 is the A-A sectional views of 1 structure of this utility model embodiment；
Fig. 3 is 2 structural representation of this utility model embodiment；
Fig. 4 is the A-A sectional views of 2 structure of this utility model embodiment；
Fig. 5 is structural representation when girder falling function works in this utility model embodiment；
Reference：1st, lower seat board, 2, middle seat board, 3, upper base plate, 4, footstock plate, 5, limiting plate, 6, lower peripheral surface friction pair,
7th, upper sphere friction pair, 8, flat frictional pair, 9, be oriented to friction pair, 10, crab-bolt.
Specific embodiment
This utility model is further elaborated with reference to specific embodiment.
As shown in the figure：A kind of hyperboloid spheroidal bearer of shock absorption and insulation for possessing anti-lift beam and girder falling function, the bearing are provided with
Lower seat board 1, middle seat board 2 and upper base plate 3, the top and 3 bottom of upper base plate of the lower seat board 1 are equipped with sliding concave spherical surface, described
The upper and lower surface of middle seat board 2 is convex spherical；The top of the lower seat board 1 and the bottom of middle seat board 2 are respectively equipped with what is matched
Concave spherical surface slide plate and convex spherical slide plate, the top of middle seat board 2 and the bottom of upper base plate 3 are respectively equipped with the convex spherical slide plate for matching
With concave spherical surface slide plate, the spacing direction both sides in top of the lower seat board 1 are equipped with limiting plate 5, sliding on lower seat board 1 and upper base plate 3
The outside for moving concave spherical surface is equipped with embedded annulus；The middle seat board 2 be arranged on the sliding concave spherical surface of lower seat board 1 and upper base plate 3 and
In the space that embedded annulus is surrounded, and the space for surrounding is with diameter greater than the diameter of middle seat board 2.
Embodiment 1
The hyperboloid spheroidal bearer of shock absorption and insulation of the anti-lift beam of multidirectional activity and girder falling function is provided, as shown in Figure 1, 2.Its master
Will be by lower seat board 1, middle seat board 2, upper base plate 3, footstock plate 4, limiting plate 5, lower peripheral surface friction pair 6, upper sphere friction pair 7, plane
Friction pair 8, guiding friction pair 9 and crab-bolt 10 etc. part composition.The top surrounding of lower seat board 1 is provided with limiting plate 5, in top
The embedding face of cylinder, centre is sphere, sphere upper weld sphere rustless steel slide plate；2 upper and lower part of middle seat board is convex spherical,
Outside is the face of cylinder, and upper and lower convex spherical inlays nonmetallic spherical slide plate；3 top of upper base plate is plane, and inlays nonmetallic cunning
Plate, four side of upper and lower part are respectively provided with guiding nonmetallic slide plate, and bottom embeds the face of cylinder, and lower central is concave spherical surface, weld on concave spherical surface
Receive face rustless steel slide plate；4 bottom surrounding of footstock plate is provided with permanent block, and welding on block is oriented to rustless steel slide plate, bottom
Center weld has plane stainless steel slide plate.
The sphere rustless steel slide plate of the lower welding of seat board 1 constitutes lower peripheral surface friction pair with the nonmetallic slide plate that middle seat board 2 is inlayed
6；The sphere rustless steel slide plate of the welding of upper base plate 3 constitutes upper sphere friction pair 7 with the nonmetallic slide plate that middle seat board 2 is inlayed；Footstock
The nonmetallic slide plate composition flat frictional pair 8 that the plane stainless steel slide plate of the welding of plate 4 is inlayed with upper base plate 3；The welding of footstock plate 4
It is oriented to the guiding nonmetallic slide plate composition guiding friction pair 9 that rustless steel slide plate is inlayed with 3 top surrounding of upper base plate；Limiting plate 5 is welded
What is connect is oriented to the guiding nonmetallic slide plate composition guiding friction pair 9 that rustless steel slide plate is inlayed with 3 bottom surrounding of upper base plate；Bearing
Each friction pair is constituted by rustless steel slide plate and nonmetallic slide plate.Flat frictional pair 8, upper sphere friction pair 7, lower peripheral surface friction
The vertical carrying effect of secondary 6 shared bearings；Flat frictional pair 8 undertakes bearing level slip effect；Upper 7 He of sphere friction pair
Lower peripheral surface friction pair 6 undertakes the curved surface slip effect under the rotation and earthquake of bearing；It is oriented to friction pair 9 and undertakes bearing horizontal force biography
The effect of passing.
The anti-lift beam of multidirectional activity and the hyperboloid spheroidal bearer of shock absorption and insulation of girder falling function of the present embodiment is normal to run
When, the upper sphere friction pair 7 of bearing and lower peripheral surface friction pair 6 are subject to constraining for surrounding limiting plate 5, only footstock plate 4 and the seat of honour
Flat frictional pair 8 between plate 3 can along vertical bridge to（Or direction across bridge）Level is slided, and normally sliding for bearing will not bring beam body
Lifting, meet bridge normally drive a vehicle stationarity requirement, play anti-lift beam effect；During the little shake of generation, the flat frictional pair 8 of bearing
Coefficient of friction is less can occur first vertical bridge to（Or direction across bridge）Slide, and run to horizontal limeit position, be i.e. 4 bottom of footstock plate
The permanent block of surrounding is contacted with the non-metal guide slide plate on 3 top of upper base plate, and horizontal force is delivered on limiting plate 5, by
When horizontal earthquake active force when little shake is less than the ultimate lateral bearing capacity of limiting plate 5, limiting plate 5 still functions as spacing work
With bearing plays hard anti-formula bearing function；During middle shake, when earthquake horizontal force exceedes the ultimate lateral bearing capacity of limiting plate 5
When, limiting plate 5 cuts off destruction, the level slip constraint release of two sphere friction pairs, and bearing is by bispherical anabolic effect
Realize vertical bridge to（Or direction across bridge）Horizontal reciprocating slides.During reciprocatingly sliding, by the frictional resistance of two sphere friction pairs
Dissipation seismic energy, and extending structure natural vibration period, reach damping and isolation effect；During big shake, bearing runs to earthquake maximum displacement
Place, bearing are that 4 permanent block of footstock plate is oriented to nonmetallic slide plate with 3 upper side position of upper base plate in the horizontal direction from top to bottom
Contact with each other, 3 bottom of upper base plate embeds annulus and 2 contact squeeze of middle seat board, middle seat board 2 is connect with the embedded annulus in lower 1 top of seat board
Touch extruding, such bearing vertical bridge to or direction across bridge all parts contact with each other successively extruding, prevention beam body moves forward
The girder falling function of bearing is realized finally, as shown in Figure 5；After earthquake, holder top dead load is along curved surface direction
Component makes bearing reset as restoring force.
Embodiment 2
The hyperboloid spheroidal bearer of shock absorption and insulation of the anti-lift beam of one-way movable and girder falling function is provided, as shown in Figure 3,4.Its master
Will be by lower seat board 1, middle seat board 2, upper base plate 3, footstock plate 4, limiting plate 5, lower peripheral surface friction pair 6, upper sphere friction pair 7, plane
Friction pair 8, guiding friction pair 9 and crab-bolt 10 etc. part composition.The top surrounding of lower seat board 1 is provided with limiting plate 5, in top
The embedding face of cylinder, centre is sphere, sphere upper weld sphere rustless steel slide plate；2 upper and lower part of middle seat board is convex spherical,
Outside is the face of cylinder, and upper and lower convex spherical inlays nonmetallic spherical slide plate；3 top of upper base plate is plane, and inlays nonmetallic cunning
Plate, four side of upper and lower part are respectively provided with guiding nonmetallic slide plate, and bottom embeds the face of cylinder, and lower central is concave spherical surface, weld on concave spherical surface
Receive face rustless steel slide plate；4 bottom surrounding of footstock plate is provided with permanent block, and welding on block is oriented to rustless steel slide plate, bottom
Center weld has plane stainless steel slide plate.
The sphere rustless steel slide plate of the lower welding of seat board 1 constitutes lower peripheral surface friction pair with the nonmetallic slide plate that middle seat board 2 is inlayed
6；The sphere rustless steel slide plate of the welding of upper base plate 3 constitutes upper sphere friction pair 7 with the nonmetallic slide plate that middle seat board 2 is inlayed；Footstock
The nonmetallic slide plate composition flat frictional pair 8 that the plane stainless steel slide plate of the welding of plate 4 is inlayed with upper base plate 3；The welding of footstock plate 4
It is oriented to the guiding nonmetallic slide plate composition guiding friction pair 9 that rustless steel slide plate is inlayed with 3 top surrounding of upper base plate；Limiting plate 5 is welded
What is connect is oriented to the guiding nonmetallic slide plate composition guiding friction pair 9 that rustless steel slide plate is inlayed with 3 bottom surrounding of upper base plate；Bearing
Each friction pair is constituted by rustless steel slide plate and nonmetallic slide plate.Flat frictional pair 8, upper sphere friction pair 7, lower peripheral surface rub
Wipe the vertical carrying effect of secondary 6 shared bearing；Flat frictional pair 8 undertakes bearing level slip effect；Upper sphere friction pair 7
The curved surface slip effect under the rotation and earthquake of bearing is undertaken with lower peripheral surface friction pair 6；It is oriented to friction pair 9 and undertakes bearing horizontal force
Transmission is acted on.
The anti-lift beam of one-way movable and the hyperboloid spheroidal bearer of shock absorption and insulation of girder falling function of the present embodiment is normal to run
When, the upper sphere friction pair 7 of bearing and lower peripheral surface friction pair 6 are subject to constraining for surrounding limiting plate 5, only footstock plate 4 and the seat of honour
Flat frictional pair 8 between plate 3 can slide along main displacement direction level, and bearing normally slides the lifting that will not bring beam body,
Meet bridge normally drive a vehicle stationarity requirement, play anti-lift beam effect；During the little shake of generation, the friction of the flat frictional pair 8 of bearing
Coefficient is less to occur main displacement direction slip first, and runs to horizontal limeit position, i.e., 4 bottom surrounding of footstock plate is permanent
Block is contacted with the non-metal guide slide plate on 3 top of upper base plate, horizontal force is delivered on limiting plate 5, due to during little shake
When horizontal earthquake active force is less than the ultimate lateral bearing capacity of limiting plate 5, limiting plate 5 still functions as position-limiting action, and bearing is played
Hard anti-formula bearing function；During middle shake, when earthquake horizontal force exceedes the ultimate lateral bearing capacity of limiting plate 5, limiting plate 5 is cut
Disconnected destruction, the level slip constraint release of two sphere friction pairs, bearing realize main displacement side by bispherical anabolic effect
Slide to horizontal reciprocating.During reciprocatingly sliding, by the frictional resistance dissipation seismic energy of two sphere friction pairs, and extend
Free vibration period of structure, reaches damping and isolation effect；It is big that bearing is run at earthquake maximum displacement when shaking, bearing in the horizontal direction from
Top to bottm be 4 permanent block of footstock plate with 3 upper side position of upper base plate be oriented to nonmetallic slide plate contact with each other, under upper base plate 3
The embedded annulus in portion and 2 contact squeeze of middle seat board, middle seat board 2 are being led with the embedded annulus contact squeeze in lower 1 top of seat board, such bearing
Direction of displacement all parts are contacted with each other extruding successively, are prevented beam body from moving forward and are finally realized the girder falling function of bearing
Effect, as shown in Figure 5；After earthquake, holder top dead load along curved surface direction component as restoring force, make bearing multiple
Position.Bearing plays position-limiting action all the time when spacing direction is normally run and little shake occurs；When shaking in generation, bearing it is spacing
Plate 5 cuts off destruction, plays with main displacement direction and same subtracts function of shock insulation；Girder falling function is played in big shake, shakes rear support
Reset.
Claims (7)
1. a kind of to possess the anti-hyperboloid spheroidal bearer of shock absorption and insulation for lifting beam and girder falling function, the bearing is provided with lower seat board（1）, in
Seat board（2）And upper base plate（3）, the lower seat board（1）Top and upper base plate（3）Bottom is equipped with sliding concave spherical surface, it is described in
Seat board（2）Upper and lower surface be convex spherical；The lower seat board（1）Top and middle seat board（2）Bottom be respectively equipped with phase
The concave spherical surface slide plate matched somebody with somebody and convex spherical slide plate, middle seat board（2）Top and upper base plate（3）Bottom be respectively equipped with match convex
Spherical slide plate and concave spherical surface slide plate, it is characterised in that：It is additionally provided with footstock plate（4）And limiting plate（5）, the footstock plate（4）Arrange
In upper base plate（3）Top, footstock plate（4）Bottom is formed around block；Upper base plate（3）Top and footstock plate（4）Bottom
It is equipped with plane slide plate；The lower seat board（1）The spacing direction both sides in top be equipped with limiting plate（5）, lower seat board（1）And the seat of honour
Plate（3）The outside of upper sliding concave spherical surface is equipped with embedded annulus；The middle seat board（2）It is arranged on lower seat board（1）And upper base plate（3）
Sliding concave spherical surface and the space that surrounds of embedded annulus in, and the space for surrounding is with diameter greater than middle seat board（2）Diameter.
2. the hyperboloid spheroidal bearer of shock absorption and insulation of anti-lift beam and girder falling function is possessed as claimed in claim 1, and its feature exists
In：The upper base plate（3）With middle seat board（2）Between, middle seat board（2）With lower seat board（1）Between concave spherical surface slide plate and convex spherical
Slide plate separately constitutes sphere friction pair（7）With lower peripheral surface friction pair（6）, the two friction pairs be slip and pivoting friction
Pair, the concave spherical surface slide plate and convex spherical slide plate one of them be rustless steel spherical slide plate, another be nonmetallic spherical slide plate.
3. the hyperboloid spheroidal bearer of shock absorption and insulation of anti-lift beam and girder falling function is possessed as claimed in claim 1, and its feature exists
In：The footstock plate（4）With upper base plate（3）Between plane slide plate composition flat frictional pair（8）, one of them is flat for rustless steel
Face slide plate, another is nonmetallic plane slide plate.
4. the hyperboloid spheroidal bearer of shock absorption and insulation of anti-lift beam and girder falling function is possessed as claimed in claim 1, and its feature exists
In：The upper base plate（3）Top outside be equipped with blade fin on the inside of surrounding and block corresponding thereto.
5. the hyperboloid spheroidal bearer of shock absorption and insulation of anti-lift beam and girder falling function is possessed as claimed in claim 1, and its feature exists
In：The upper base plate（3）Bottom outside surrounding and limiting plate corresponding thereto（5）Inner side is equipped with blade fin.
6. the hyperboloid spheroidal bearer of shock absorption and insulation of anti-lift beam and girder falling function is possessed as claimed in claim 1, and its feature exists
In：The middle seat board（2）For the upper and lower surface cylinder in convex spherical.
7. the hyperboloid spheroidal bearer of shock absorption and insulation of anti-lift beam and girder falling function is possessed as claimed in claim 1, and its feature exists
In：The footstock plate（4）The block of bottom surrounding is permanent block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620983329.9U CN206070357U (en) | 2016-08-30 | 2016-08-30 | Possesses the hyperboloid spheroidal bearer of shock absorption and insulation of anti-lift beam and girder falling function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620983329.9U CN206070357U (en) | 2016-08-30 | 2016-08-30 | Possesses the hyperboloid spheroidal bearer of shock absorption and insulation of anti-lift beam and girder falling function |
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| CN206070357U true CN206070357U (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620983329.9U Active CN206070357U (en) | 2016-08-30 | 2016-08-30 | Possesses the hyperboloid spheroidal bearer of shock absorption and insulation of anti-lift beam and girder falling function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149552A (en) * | 2016-08-30 | 2016-11-23 | 洛阳双瑞特种装备有限公司 | Possess and prevent lifting beam and the hyperboloid spheroidal bearer of shock absorption and insulation of girder falling function |
-
2016
- 2016-08-30 CN CN201620983329.9U patent/CN206070357U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149552A (en) * | 2016-08-30 | 2016-11-23 | 洛阳双瑞特种装备有限公司 | Possess and prevent lifting beam and the hyperboloid spheroidal bearer of shock absorption and insulation of girder falling function |
| CN106149552B (en) * | 2016-08-30 | 2018-10-23 | 洛阳双瑞特种装备有限公司 | Has the hyperboloid spheroidal bearer of shock absorption and insulation of anti-lift beam and girder falling function |
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| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Hengyue Inventor after: Liu Mingjun Inventor after: Dai Shengyong Inventor after: Wang Yong Inventor after: Guo Jianxun Inventor after: Chen Jianfeng Inventor after: Gu Hailong Inventor before: Li Hengyue Inventor before: Wang Yong Inventor before: Gu Hailong |
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| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170719 Address after: 471000 Henan city of Luoyang province high tech Zone Binhe Road No. 88 Co-patentee after: CHINA RAILWAY ERYUAN ENGINEERING GROUP Co.,Ltd. Patentee after: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. Address before: 471000 Henan city of Luoyang province high tech Zone Binhe Road No. 88 Patentee before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Patentee after: China Railway Second Institute Project Refco Group Ltd Address before: No.88, Binhe North Road, hi tech Zone, Luoyang City, Henan Province Patentee before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. Patentee before: China Railway Second Institute Project Refco Group Ltd |
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| CP01 | Change in the name or title of a patent holder |