CN207227937U - A kind of ball-shaped height-adjusting support - Google Patents
A kind of ball-shaped height-adjusting support Download PDFInfo
- Publication number
- CN207227937U CN207227937U CN201720945893.6U CN201720945893U CN207227937U CN 207227937 U CN207227937 U CN 207227937U CN 201720945893 U CN201720945893 U CN 201720945893U CN 207227937 U CN207227937 U CN 207227937U
- Authority
- CN
- China
- Prior art keywords
- height
- thrustor
- block
- adjusting
- bridge floor
- 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.)
- Active
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
A kind of ball-shaped height-adjusting support,By support body system,Bridge floor height monitoring system,Height-adjusting system and control system composition,Bridge floor height monitoring system is connected with control system,The bridge floor height that control system control height-adjusting system adjustment support body system jacks up,The height-adjusting system is arranged on below support body system,Height-adjusting system is by ladder block,Wedge block,Multiple vertical thrustors that the lower surface of corresponding lower seat board is set,Horizontal direction thrustor and the base board composition being connected with wedge block,When the bridge floor that bridge floor height monitoring system 14 monitors, which highly reaches, to be needed to heighten,The bearing vertically amount of heightening first is set,Then control system and the lower seat board of vertical thrustor jacking are started to preset height,Restart horizontal direction thrustor,Wedge block is adjusted to setting horizontal level,Ladder block is set to drop down onto completely on wedge block,Then the vertical thrustor vertical force of unloading control system,Bearing is vertically heightened and finished.
Description
Technical field
Technical field of bridge engineering is the utility model is related to, is a kind of ball-shaped height-adjusting support for bridge height adjustment.
Background technology
Large-span arch bridge is since the change of temperature can cause the elongation and shortening of arch, so as to cause the height of arch bridge bridge floor
Change, reduce the ride comfort of bridge floor.In order to ensure the comfort of bullet train, generally use drops when train passes through arch bridge
The mode of speed.Arch bridge bridge elevation can vary with temperature daily, in order to control the change of bridge elevation just to need one kind being capable of root
The bearing of height is adjusted accordingly according to bridge elevation change.
At present the height-adjustable supports scheme that uses both at home and abroad there is backing plate to heighten, it is spiral heighten, voussoir is heightened and pressure injection rubber tune
It is 4 kinds high.
（1）Backing plate heightens mode
It is by adding at bearing top, bottom plate that bearing most widely used at present, that construction most convenient is feasible, which heightens one of mode,
If billet, specific configuration graph Fig. 1.When need heightened when, beam body of first jack-uping, then add needed for thickness
Steel plate, so as to fulfill the purpose heightened.
（2）It is spiral to heighten mode
The bearing of such a form adds larger trapezoidal thread, and after being heightened with screw thread, spiral shell up and down is filled with mud jacking
Gap between rotation.Within the specific limits, it can be achieved that the stepless changing of arbitrary height, and as needed can Bidirectional stepless tune up and down
Section, and adjustment can be repeated several times.Jack top beam is also required to during heightening.Spiral height-adjustable supports specific configuration is shown in Fig. 2.
（3）Voussoir heightens mode
Voussoir, which heightens mode, to be heightened by adding one group of gad block above the top plate of bearing.Voussoir heightens branch
Seat tool body structural map is shown in Fig. 3.
（4）Pressure injection rubber heightens mode
Pressure injection rubber height-adjustable supports are equipped with mud jacking pipeline on base-plate, can be held by pressure injection rubber to improve in bearing
The thickness of rubber is pressed, reaches the effect of adjustment height of support.Pressure injection rubber heightens pot bearing specific configuration and sees Fig. 4.
Pressure injection rubber is heightened to be not required to separately set jack top beam when mode is heightened, and by setting multiple tracks pressure injection hole mud jacking, is utilized
Bearing realizes the stepless height-regulating of bearing in itself.Can be allowed by bearing vertical bearing capacity limit value, the amount of heightening and rubber bearing plate should
The grouting pipe slip casting of different maximum crushing stress values is chosen in power control.
Heighten mode for above-mentioned four kinds to belong to passively heighten category, be to meet or exceed a certain limit in railroad bridge deformation
Value, and then when influence Track regularity, just bearing is heightened by railway maintenance Departmental organization relevant unit, there are bright
Aobvious hysteresis quality and uncertainty.Moreover, heightening length duty cycle, efficiency is low, it is necessary to suspend traffic or select to run in circuit
Operation in window phase, construction cost are high.
Utility model content
The purpose of this utility model is that utility model one kind can change adjustment height in real time according to bridge elevation, so as to protect
Demonstrate,prove the intelligent ball-type bearing of bridge floor ride comfort.
To realize above-mentioned technical purpose, used technical solution is：A kind of ball-shaped height-adjusting support, by support body system
System, bridge floor height monitoring system, height-adjusting system composition, bridge floor height monitoring system monitoring bridge floor height, the height-adjusting system
It is arranged on below support body system, height-adjusting system is set simultaneously by the lower surface of ladder block, wedge block, corresponding support body system
At least one vertical thrustor, the driving wedge block for jacking up support body systematic vertical when heightening move horizontally multiple
Horizontal direction thrustor and base board composition, ladder block are fixed at the center of support body system lower surface, ladder block
Section is inverted trapezoidal, its outer surface is stepped, and base board fixed setting, is equipped with least two movable settings on base board
Wedge block, two or more wedge blocks set evenly around ladder block outer surface, and ladder block are supported, wedge shape
The shape of block supporting surface matches with ladder block external surface shape.
More guide posts are additionally provided with base board described in the utility model, are offered on the lower surface of support body system
Multiple to be fixed on the corresponding guide pillar hole of guide post, one end of guide post on base board, the other end of guide post is inserted in pilot hole.
Vertical thrustor described in the utility model is fastened in the installation space groove on base board.
The height of each ladder of ladder block described in the utility model is the minimum constructive height that bearing is vertically heightened.
Vertical thrustor described in the utility model is jack.
Horizontal direction thrustor described in the utility model is hydraulic cylinder, each level top thrustor and a wedge shape
Block connects.
Horizontal direction thrustor described in the utility model is motor, and moving direction is located at described in two of straight line
Wedge block is connected by leading screw with horizontal thrustor.
Bearing described in the utility model further includes control system, and control system is connected with bridge floor height monitoring system, control
The bridge floor height that system control height-adjusting system adjustment support body system processed jacks up.
The utility model beneficial effect is：
1st, the advantages of supporting again is first lifted：The moving resistance of horizontal steps block, the horizontal shifting of ladder block can be effectively reduced
Power is only the frictional force of ladder block in itself；
2nd, ladder block and wedge block coordinate, and since mating surface is plane, vertical bearing capacity does not have component, makes in the horizontal direction
Total is more safe and reliable；
3rd, it using the structure of four guide posts, can ensure the horizontal rigidity of height-regulating structure, and vertically heighten the smooth of action
With it is reliable.
4th, vertical thrustor is placed in both sides, can facilitate later maintenance and maintenance.
5th, ladder block and wedge block are placed on centre position, are conducive to improve the rigidity of height-regulating structure, and the biography of vertical load
Pass.If being placed on both sides, height-regulating structure upper plate can produce the deformation of bigger.
6th, ladder block and height-regulating structure upper plate use Split type structure, are conveniently processed and assemble.
7th, two wedge block leading screws or other components form an entirety, are conducive to bearing and bear horizontal force, and ensure
Ladder block movement is synchronous, simultaneously because reducing a power source, reduces cost, improves security reliability.
Brief description of the drawings
Fig. 1 is pading plate height-adjustable supports structure chart；
Fig. 2 heightens mode seat structure figure to be spiral；
Fig. 3 heightens mode seat structure figure for voussoir；
Fig. 4 heightens mode seat structure figure for pressure injection rubber；
Fig. 5 is the structure diagram of the utility model；
Fig. 6 is the A-A sectional views of the utility model Fig. 5；
Fig. 7 is the A-A sectional views after the utility model structure vertically raises；
Fig. 8 is the A-A sectional views after the utility model structure vertically reduces；
In figure：1st, upper base plate, 2, flat frictional pair, 3, middle seat board, 4, sphere friction it is secondary, 5, to be oriented to friction secondary, 6, lower seat
Plate, 7, ladder block, 8, fastening bolt, 9, wedge block, 10, base board, 11, vertical thrustor, 12, guide post, 13, horizontal direction top
Pushing device, 14, bridge floor height monitoring system, 15, upper anchor bolt, 16, lower anchor bolt, 17, polyfluortetraethylene plate, 18, rubber
Glue sealing ring A, 19, middle liner plate, 20, steel lock ring circle, 21, pressure-bearing rubber plate, 22, lower support plate, 23, bearing crab-bolt, 24, can
Adjust upper bracket plate, 25, rubber seal B, 26, stainless steel plate, 27, sunk screw A, 28, nut, 29, steel bushing, 30, pre-buried
Screw, 31, copper cushion block, 32, puller bolt, 33, sunk screw B, 34, polytetrafluoroethylene (PTFE) pad, 35, fastening bolt B, 36, the seat of honour
Plate component, 37, connection crab-bolt, 38, bearing top plate, 39, plane polyfluortetraethylene plate, 40, steel liner plate, 41, sphere polytetrafluoroethyl-ne
Alkene plate, 42, pump, 43, jack.
Embodiment
A kind of ball-shaped height-adjusting support, is made of support body system, bridge floor height monitoring system, height-adjusting system, and bridge floor is high
Degree monitoring system monitoring bridge floor height, and bridge floor height change data are transferred to higher level's data collecting system.
Bearing can also set a control system, it is connected with bridge floor height monitoring system, monitor bridge floor height, control in real time
The output terminal of system is connected with height-adjusting system again, the bridge floor height that control height-adjusting system adjustment support body system jacks up.Therefore,
This bearing can be heightened using artificial, semi-automatic, full-automatic mode, its specific implementation process is as described in embodiment 1,2,3.Profit
During with control system, the bridge floor height monitoring system 14 realizes the timely monitor and input control system of floor elevation；Work as institute
The bridge floor for stating the monitoring of bridge floor height monitoring system 14 highly reaches when need to heighten, and first sets the bearing vertically amount of heightening, so
After start control system control height-adjusting system and promote support body system motion, change bridge floor height.
Support body system by upper anchor bolt 15, upper base plate 1, flat frictional pair 2, middle seat board 3, sphere friction pair 4, under
Seat board 6 forms, and the form of bearing is not limited to this kind of structure, that is, ensures there is the jacking part that can be jacked up or fall above height-regulating device
Part（Lower seat board）, there is sustainable support member in lower section（Base board）, support member is fixed on bridge by lower anchor bolt
On pier, jack up component and bridge bottom is fixed on by upper anchor bolt.
As shown in figure 5, height-adjusting system is descended the multiple vertical of the lower surface setting of seat board 6 by ladder block 7, wedge block 9, correspondence
The horizontal direction thrustor 13 and base board 10 that thrustor, driving wedge block 9 move horizontally form.
Bang path is upper base plate 1, flat frictional pair 2, middle seat to a kind of ball-shaped height-adjusting support vertical force successively from top to bottom
Then plate 3, sphere friction pair 4, lower seat board 6, ladder block 7, wedge block 9, base board 10 arrive bearing pad stone；Bearing horizontal force transmission
Anchor bolt 15, upper base plate 1 are followed successively by from top to bottom, are oriented to friction pair 5, lower seat board 6, guide post, base board 10, lower anchoring spiral shell
Bolt 16 arrives bearing pad stone.Flat frictional pair 2 is provided between the bearing upper base plate 1 and middle seat board 3, plays horizontal sliding work(
Energy；Sphere friction pair 4 is provided between middle seat board 3 and lower seat board 6, plays vertical rotating function.
Jack can be selected in vertical thrustor 11, and lower seat board 6 is vertically jacked by jack to preset height（It is slightly higher
1mm）, complete the adjustment of holder top structure vertical height.Vertically thrustor 11 can use multiple, be at least one, ensure
The top surface angle of stabilization of the lower seat board 6 during pushing tow and upper base plate 1 is constant, when for one when, i.e., by ladder block 7
The through hole that vertical thrustor passes through is dug out at center, is jacked up from the center of lower seat board by lower seat board, when more than one, vertically
Thrustor is arranged on the periphery of ladder block 7, does not influence the movement of horizontal thrustor 13, and vertical thrustor 11 is placed
In the installation space groove of base board 10, usually from vertical force, the seat board 6 under jacking only when vertically heightening lifting operation, by
To holder top structure gravity, after seat board 6 jacks up by under, completed through heightening, then be retracted to original position, in order to use next time,
No matter lower seat board falls after rise or rises.
Each horizontal direction thrustor 13 controls a wedge block 9, and when lifting operation passes through horizontal direction hydraulic cylinder pushing tow and fills
Put and carry out the horizontal displacements of at least two wedge blocks 9 and adjust, this when the horizontal direction thrustor selected be hydraulic cylinder, with two wedges
Exemplified by shape block 9, each wedge block 9 is controlled by a hydraulic cylinder respectively, realizes the movement of horizontal direction.Or, at two
It is connected as one in wedge block on straight line 9 by leading screw, is controlled by a horizontal direction thrustor, realize horizontal position transposition
Section, this when the horizontal direction thrustor selected be motor, by taking two wedge blocks 9 as an example, two wedge blocks are one group, two wedge shapes
Block is respectively equipped with two screws of leading screw, and a screw is controlled by a motor, passes through the rotation of leading screw, two wedge shapes
Block is inwardly or outwardly common mobile on leading screw, realizes the movement of horizontal direction.
Lower 6 top of seat board is spherical interior surface, and lower middle position leaves the square three-way groove for placing ladder block 7, and groove center leaves
The fastening bolt threaded hole of the lower seat board 6 of connection and ladder block 7, lower 6 lower part both sides of seat board are reserved with vertical thrustor 11 and place
Semi-cylindrical space groove, while lower 6 four jiaos of seat board be respectively provided with transmit horizontal force pilot hole.
The section of ladder block 7 is inverted trapezoidal, its outer surface is stepped, and the height of 7 each ladder of ladder block is erected for bearing
To the minimum constructive height heightened；Leave the through hole of insertion fastening bolt in middle part；Ladder block 7 is by seat board under fastening bolt and bearing
6 are integrally connected.
Wedge block 9 is located at the lower part of ladder block 7, and at least two pieces of each bearing, is evenly distributed in the lower part pair of ladder block 7
Ladder block 7 is supported；9 tops of wedge block, that is, upper surface is the ladder of fully mated ladder block 7, the height of each ladder and rank
The height of terraced fast each ladder is completely the same；Bearing is vertically heightened adjusts ladder block 7 by moving horizontally at least two wedge blocks 9
The mode for being located height is realized；Wedge block 9 is subject to ladder to transmit the holder top structure gravity to get off soon when flat, heightening operation
When, wedge block 9 is when jack jacks from vertical force.
10 upper middle position of base board leaves the square three-way groove for placing wedge block 9, and both sides are reserved with two vertical pushing tows
The semi-cylindrical installation space groove that device 11 is placed, when vertical thrustor 11 increases, also will accordingly increase on base board 10
Installation space groove, 10 4 jiaos of base board are respectively provided with the guide post for transmitting horizontal force and lower anchor bolt hole.
Guider is equipped between support body system and base board, support body system is by guider in Vertical Square
Move up and down, guider adds the form of guide groove using guide post, and the guide post 12 is cylinder, and its one end is fixedly connected with base
Plate 10, the other end are inserted into guide groove, no matter how the height of ladder block 7 changes, one end of guide post is constantly in guide groove, is risen
To transmission bearing horizontal force action, and there is preferable horizontal rigidity.
Embodiment 1
As shown in Figure 7,8, a kind of ball-shaped height-adjusting support manually heightens process and is：When bridge floor height monitoring system 14 monitors
Bridge floor highly reach when need to heighten, the bearing vertically amount of heightening first is set, it is vertical then to manually start power source control
Thrustor 11, jacks lower seat board 6 to preset height（Slightly higher 1mm）, complete the adjustment of holder top structure vertical height.People again
Work starts both sides horizontal direction thrustor 13, adjusts wedge block 9 to setting horizontal level；Then the vertical thrustor of control system
In 11 it is vertical it is very heavy carry out top landing operation, ladder block 7 is dropped down onto completely on wedge block 9, then unloading control system is vertical
11 vertical force of thrustor, bearing are vertically heightened and finished.
Embodiment 2
As shown in Figure 7,8, a kind of Semi-automatic height process of ball-shaped height-adjusting support is：When bridge floor height monitoring system 14 is supervised
The bridge floor of survey highly reaches when need to heighten, and artificially installs power source and control system, vertical top for ball-shaped height-adjusting support
Pushing device 11 and horizontal direction thrustor 13 are connected with control system, are first set the bearing vertically amount of heightening, are started after confirmed
The vertical thrustor 11 of control system, jacks lower seat board 6 to preset height（Slightly higher 1mm）, it is vertically high to complete holder top structure
The adjustment of degree.Restart control system both sides horizontal direction thrustor 13, adjust wedge block 9 to setting horizontal level；Then control
In the vertical thrustor 11 of system processed it is vertical it is very heavy carry out top landing operation, ladder block 7 is dropped down onto completely on wedge block 9, so
Vertical 11 vertical force of thrustor of unloading control system, bearing are vertically heightened and finished afterwards.Bearing vertical force is connect by double helix at this time
Touch secondary carrying.So far, bearing vertically heightens completion.This, which heightens process, needs artificial installed and confirmation operation.
Embodiment 3
As shown in Figure 7,8, a kind of the full-automatic of ball-shaped height-adjusting support heightens process and is：When bridge floor height monitoring system 14 is supervised
The bridge floor of survey highly reaches when need to heighten, and control system first sets bearing vertically to heighten according to the bridge floor information of collection
Amount, then the vertical thrustor 11 of control system startup, jacks lower seat board 6 to preset height（Slightly higher 1mm）, complete holder top
The adjustment of structure vertical height.Control system restarts both sides horizontal direction thrustor 13, adjusts wedge block 9 to setting horizontal position
Put；Then control system control in vertical thrustor 11 it is vertical it is very heavy carry out top landing operation, ladder block 7 is dropped down onto completely
On wedge block 9, then vertical 11 vertical force of thrustor of unloading control system, bearing are vertically heightened and finished.In the process by
Control system completes all operations, can remotely add console, inquires about data message and data, and bridge floor state are heightened in reaction
Deng to prevent control system operation failure, being added at console and confirm formality, determine that the errorless control system of adjustment can just be held
OK.
Claims (8)
1. a kind of ball-shaped height-adjusting support, is made of support body system, bridge floor height monitoring system, height-adjusting system, bridge floor height
Monitor system monitoring bridge floor height, it is characterised in that：The height-adjusting system is arranged on below support body system, height-adjusting system
By ladder block（7）, wedge block（9）, corresponding support body system lower surface set and support body system hung down when heightening
At least one vertical thrustor directly jacked up（11）, driving wedge block（9）The multiple horizontal direction thrustors moved horizontally
（13）And base board（10）Composition, ladder block（7）It is fixed at the center of support body system lower surface, ladder block（7）'s
Section is inverted trapezoidal, its outer surface is stepped, base board（10）Fixed setting, in base board（10）Can equipped with least two
The wedge block that activity is set（9）, two or more wedge blocks（9）Evenly around ladder block（7）Outer surface is set, and to rank
Terraced block（7）It is supported, wedge block（9）The shape and ladder block of supporting surface（7）External surface shape matches.
A kind of 2. ball-shaped height-adjusting support as claimed in claim 1, it is characterised in that：The base board（10）On be additionally provided with it is more
Root guide post（12）, multiple and guide post is offered on the lower surface of support body system（12）Corresponding guide pillar hole, guide post
（12）One end be fixed on base board（10）On, guide post（12）The other end be inserted in pilot hole.
A kind of 3. ball-shaped height-adjusting support as claimed in claim 1, it is characterised in that：The vertical thrustor（11）Card is set
In base board（10）On installation space groove in.
A kind of 4. ball-shaped height-adjusting support as claimed in claim 1, it is characterised in that：The ladder block（7）Each rank
The height of ladder is the minimum constructive height that bearing is vertically heightened.
A kind of 5. ball-shaped height-adjusting support as claimed in claim 1, it is characterised in that：The vertical thrustor（11）For thousand
Jin top.
A kind of 6. ball-shaped height-adjusting support as claimed in claim 1, it is characterised in that：The horizontal direction thrustor（13）For
Hydraulic cylinder, each horizontal direction thrustor（13）With a wedge block（9）Connection.
A kind of 7. ball-shaped height-adjusting support as claimed in claim 1, it is characterised in that：The horizontal direction thrustor（13）For
Motor, moving direction is positioned at the wedge block described in one direct two（9）Pass through leading screw and horizontal thrustor（13）Connection.
A kind of 8. ball-shaped height-adjusting support as claimed in claim 1, it is characterised in that：The bearing further includes control system,
Control system is connected with bridge floor height monitoring system, the bridge floor that control system control height-adjusting system adjustment support body system jacks up
Highly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720945893.6U CN207227937U (en) | 2017-08-01 | 2017-08-01 | A kind of ball-shaped height-adjusting support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720945893.6U CN207227937U (en) | 2017-08-01 | 2017-08-01 | A kind of ball-shaped height-adjusting support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207227937U true CN207227937U (en) | 2018-04-13 |
Family
ID=61856249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720945893.6U Active CN207227937U (en) | 2017-08-01 | 2017-08-01 | A kind of ball-shaped height-adjusting support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207227937U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447652A (en) * | 2017-08-01 | 2017-12-08 | 中铁二院工程集团有限责任公司 | A kind of ball-shaped height-adjusting support |
| CN111350126A (en) * | 2020-03-20 | 2020-06-30 | 中铁第四勘察设计院集团有限公司 | Spiral combined type adjustable bridge support |
| CN113818336A (en) * | 2021-09-03 | 2021-12-21 | 上海路博减振科技股份有限公司 | Method for adjusting position of support node |
-
2017
- 2017-08-01 CN CN201720945893.6U patent/CN207227937U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447652A (en) * | 2017-08-01 | 2017-12-08 | 中铁二院工程集团有限责任公司 | A kind of ball-shaped height-adjusting support |
| CN111350126A (en) * | 2020-03-20 | 2020-06-30 | 中铁第四勘察设计院集团有限公司 | Spiral combined type adjustable bridge support |
| CN113818336A (en) * | 2021-09-03 | 2021-12-21 | 上海路博减振科技股份有限公司 | Method for adjusting position of support node |
| CN113818336B (en) * | 2021-09-03 | 2023-02-24 | 上海路博减振科技股份有限公司 | Method for adjusting position of support node |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107447652A (en) | A kind of ball-shaped height-adjusting support | |
| CN207227937U (en) | A kind of ball-shaped height-adjusting support | |
| CN101429820B (en) | Integral shift method for buildings | |
| CN104894977A (en) | Three-dimensional adjustable jack device and method used for setting up maglev rail girders | |
| CN107447651A (en) | A kind of stepless height-regulating spherical bearing | |
| CN207227936U (en) | A kind of stepless height-regulating spherical bearing | |
| CN105421226A (en) | Bridge support with function of intelligent real-time height adjustment and adjusting method thereof | |
| CN102979109B (en) | Design method of assembled-type prestressed concrete cylindrical column base | |
| CN204151813U (en) | A kind of adjustable basis for correcting electric power pylon foundation settlement | |
| CN204609319U (en) | A kind of large-tonnage tensioning construction adjusting device | |
| CN107476184B (en) | Bridge height adjusting system and method | |
| CN207331436U (en) | A kind of bridge height adjusts system | |
| CN103334428B (en) | Disc type cast-in-place concrete pile and construction process for same | |
| CN208586588U (en) | A kind of levelling device for ocean engineering | |
| CN201473966U (en) | Novel paving base structure of L type suspension rigid foundation for rocky crane beams in underground plants | |
| CN206928294U (en) | A kind of counter-force seals stake loading system | |
| CN201372578Y (en) | Internal force and height controllable sliding displacement device | |
| CN114990939A (en) | Spring vibration isolator for floating slab track bed and jacking method of floating slab track bed | |
| CN203891061U (en) | Adjusting device for high-low leg oblique inserting type angle steel foundation | |
| CN210397929U (en) | Support adjustment structure suitable for support straight tube coupling in tunnel | |
| CN203145034U (en) | Assembled prestress concrete cylindrical column body foundation | |
| CN201110178Y (en) | Rotating base shelf for turning around of shield machine | |
| CN204151670U (en) | Pressure-adjusting type bridge bearing pad | |
| CN215519232U (en) | Civil engineering construction pre-buried equipment | |
| CN110863837A (en) | Arch-shaped self-stabilizing inverted arch structure of high-speed railway tunnel and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.3, Tongjin Road, Chengdu, Sichuan 610000 Patentee after: CHINA RAILWAY ERYUAN ENGINEERING GROUP Co.,Ltd. Patentee after: CSSC Shuangrui (Luoyang) special equipment Co.,Ltd. Patentee after: CHINA RAILWAY ECONOMIC AND PLANNING Research Institute Address before: No.3, Tongjin Road, Chengdu, Sichuan 610000 Patentee before: CHINA RAILWAY ERYUAN ENGINEERING GROUP Co.,Ltd. Patentee before: LUOYANG SUNRUI SPECIAL EQUIPMENT Co.,Ltd. Patentee before: CHINA RAILWAY ECONOMIC AND PLANNING Research Institute |
|
| CP01 | Change in the name or title of a patent holder |