CN205443965U - Bridge top pushes away displacement device - Google Patents
Bridge top pushes away displacement device Download PDFInfo
- Publication number
- CN205443965U CN205443965U CN201620164465.5U CN201620164465U CN205443965U CN 205443965 U CN205443965 U CN 205443965U CN 201620164465 U CN201620164465 U CN 201620164465U CN 205443965 U CN205443965 U CN 205443965U
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- CN
- China
- Prior art keywords
- lower support
- support plate
- plate
- piston rod
- upper bearing
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Abstract
The utility model discloses a bridge top pushes away displacement device, the device include the upper and lower bearing plate that is provided with the recess on it respectively, install spherical crown lining board in the recess of upper support board, spherical crown lining board's last facial planes contacts bottom the recess of upper support board, and spherical crown lining board's lower part sphere agrees with with the radial terminal surface of double -screw bolt mutually, the lateral wall of the double -screw bolt flange of connecting lock nut and its upper portion and upper support board contact, installation piston rod in the recess of bottom suspension carrier plate is provided with on and forms sealed sealing washer with the lateral wall of bottom suspension carrier plate, install in the lateral wall of bottom suspension carrier plate with piston rod threaded connection's spacing ring, the bottom of bottom suspension carrier plate open have the hydraulic system of connection and with the communicating hydraulic pressure hole of annular channel of piston rod bottom, the bottom suspension carrier plate inlay the dress in the slide. Its advantage is: can satisfy the dynamometry simultaneously, increase two operation requirements and carry out real -time supervision to the atress condition of vertical bearing point to master the dynamic change of each bearing point vertical force of bridge.
Description
Technical field
This utility model belongs to bridge incremental launching technique of design and construction field, and in particular, this utility model relates to a kind of bridge incremental launching slide device for bridge incremental launching sliding operation.
Background technology
In bridge incremental launching sliding operation process, it is ensured that the balance of bridge structure and each supporting-point uniform force, be the key smoothly completing thrusting slip operation.
In bridge incremental launching slipping, the factors such as the asynchronous deflection deformation of absolute altitude error and a plurality of slipway beam produced by constructing due to slipway beam, all can cause bridge each supporting-point discontinuity during thrusting slip, even there will be the situation that indivedual supporting-point comes to nothing.These factors all can affect the stationarity in bridge incremental launching sliding, and increases the security risk of bridge main body and supporting structure.
In order to solve problem above, each supporting-point in bridge incremental launching slipping need to be carried out continuous continual load-bearing monitor, and according to stressing conditions, supporting-point height adjust accordingly to reach the requirement of each supporting-point uniform stressed.But in the market, still there is no a kind of thrusting slip devices that can meet dynamometry simultaneously and heighten two use requirements.
Utility model content
The purpose of this utility model is aiming at problem above and provides a kind of bridge incremental launching slide devices that can meet dynamometry simultaneously and heighten two use requirements.This device had both possessed the vertical support function during bridge incremental launching, horizontal sliding function and restricted rotational movement function, was also equipped with monitoring the change of vertical bearing capacity, the function simultaneously can the most vertically heightened.
The technical solution of the utility model is:
A kind of bridge incremental launching slide device, including upper bearing plate and lower support plate, described upper bearing plate and lower support plate is respectively provided with fluted；
Spherical crown liner plate is installed in the groove of described upper bearing plate, the upper plane of described spherical crown liner plate contacts with the bottom portion of groove of described upper bearing plate, the described lower spherical of spherical crown liner plate agrees with mutually with the radial end face of stud, the threaded locking nut of described stud, the flange on described stud top contacts with the sidewall of described upper bearing plate；
Piston rod is installed in the groove of described lower support plate, it is provided with the sidewall with described lower support plate on described piston rod and forms the sealing ring sealed, the spacing ring being connected with described piston rod thread is installed in the sidewall of described lower support plate, the bottom of described lower support plate has the hydraulic pressure hole for connecting hydraulic system, described hydraulic pressure hole communicates with the annular channel bottom described piston rod, and described lower support plate is inlaid in slideway.
Each corner point of described upper bearing plate is respectively arranged with crab-bolt.
The bottom of described lower support plate and side are respectively arranged with planar lasting board, and the end face of described slideway and sidewall are respectively arranged with corrosion resistant plate, and the corrosion resistant plate on described slideway forms flat frictional pair with the planar lasting board in described lower support plate.
The beneficial effects of the utility model are:
(1) product structure is reasonable, can monitor the stressing conditions of vertical support point in real time, thus grasps the dynamic change of bridge each supporting-point vertical force, to realize the control to bridge stability.
(2) described stud and the setting of described locking nut, dynamically heightening of supporting arrangement can be realized, thus ensure that the absolute altitude of each supporting-point of bridge is positioned at approximately the same plane, prevent indivedual supporting-point from phenomenon of coming to nothing occurring, it is ensured that agent structure stress is consistent with Theoretical Calculation.
(3) the threadeding of described locking nut and described stud, can realize the mechanical caging of the amount of heightening, thus avoids the structural elevation caused because of the factor such as poorly sealed of product drastically to change, to avoid portion's structure on which to cause damage.
(4) flat frictional pair of composition between described spherical crown liner plate and described upper bearing plate, can reduce described upper bearing plate with moment of flexure produced in superstructure rotation process, to avoid internal stress excessive.
(5) dynamometry can be met simultaneously and heighten two use requirements, compared to prior art, there is good practicality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the A-A profile of Fig. 2.
Reference: 1-upper bearing plate, 2-spherical crown liner plate, 3-stud, 4-locking nut, 5-piston rod, 6-sealing ring, 7-spacing ring, 8-lower support plate, 9-hydraulic pressure hole, 10-annular channel, 11-planar lasting board, 12-slideway, 13-corrosion resistant plate, 14-crab-bolt.
Detailed description of the invention
In order to make technical characterstic of the present utility model be easier to be understood, below in conjunction with accompanying drawing and example, the technical solution of the utility model is described in detail.
See Fig. 1, Fig. 2, Fig. 3, bridge incremental launching slide device of the present utility model, including upper bearing plate 1 and lower support plate 8, described upper bearing plate 1 and lower support plate 8 are respectively provided with fluted；In the groove of described upper bearing plate 1, spherical crown liner plate 2 is installed, the upper plane of described spherical crown liner plate 2 contacts with the bottom portion of groove of described upper bearing plate 1, the lower spherical of described spherical crown liner plate 2 agrees with mutually with the radial end face of stud 3, the described threaded locking nut of stud 34, the flange on described stud 3 top contacts with the sidewall of described upper bearing plate 1；Piston rod 5 is installed in the groove of described lower support plate 8, it is provided with the sidewall with described lower support plate 8 on described piston rod 5 and forms the sealing ring 6 sealed, spacing ring 7 for limiting described piston rod 5 maximum vertical penetration is installed in the sidewall of described lower support plate 8, described spacing ring 7 is threadeded with described piston rod 5, the bottom of described lower support plate 8 has hydraulic pressure hole 9, described hydraulic pressure hole 9 communicates with the annular channel 10 bottom described piston rod 5, the bottom of described lower support plate 8 and side setting-in planar lasting board 11, described lower support plate 8 is inlaid in slideway 12, end face and the sidewall of described slideway 12 are provided with corrosion resistant plate 13, described corrosion resistant plate 13 forms flat frictional pair with the planar lasting board 11 in lower support plate.
Lower support plate 8 in this utility model connects hydraulic system by described hydraulic pressure hole 9, so that hydraulic medium enters described lower support plate 8 by described hydraulic pressure hole 9 and is distributed in described annular channel 10, so that described piston rod 5 uniform force；Continue through hydraulic pressure hole 9 and inject hydraulic medium to described lower support plate 8, described piston rod 5 will be driven to raise；By same approach, hydraulic medium also can be by the lower support plate 8 described in inversely extracting out, thus the piston rod 5 described in driving declines.
In above-mentioned setting:
Described spherical crown liner plate 2 is for transmitting the vertical load of superstructure, its upper plane forms flat frictional pair with the bottom portion of groove of described upper bearing plate 1, to adapt between described upper bearing plate 1 with described spherical crown liner plate 2 relative to the displacement requirement slided, and reducing described upper bearing plate 1 with moment of flexure produced in its superstructure rotation process, it is to avoid internal stress is excessive；Its underpart sphere forms sphere friction pair, to adapt to bridge deformation requirements of restricted rotational movement during thrusting slip with the radial end face of described stud 3.
Hydraulic pressure hole 9 bottom described lower support plate 8, for making described lower support plate 8 be connected with hydraulic system, and injected or Extract force feed to described lower support plate 8 by hydraulic system, so that described piston rod 5 realizes the change in displacement of short transverse, thus realize the purpose of stepless height-regulating.
Described locking nut 4 is threadeded with described stud 3, described locking nut 4 can be made to be adjusted with the change of described stud 3 height: when described stud 3 height rises, the described rotatable reduction of locking nut 4, until its lower surface contacts with described lower support plate 8；When described stud 3 height reduction, the described rotatable rising of locking nut 4, after described stud 3 height and position is stable, make described locking nut 4 rotate again to reduce, until its lower surface contacts with described lower support plate 8, thus realize the locking of described stud 3 height and position, it is to avoid because of the height rapid drawdown of supporting, superstructure is caused damage.
Described lower support plate 8 is inlaid in slideway 12, can vertically move in slideway 12 with the sliding of bridge on direction as shown by the arrows in Figure 1, lower support plate 8 can also be limited in slideway 12 along direction transverse shifting as shown by the arrows in figure 2 simultaneously.
The crab-bolt 14 that each corner point of described upper bearing plate 1 is respectively provided with, for connecting bridge agent structure when thrusting slip operation, thus drives described bridge main body structure to realize integral slipping during the thrusting slip of bridge.
The base plane setting-in planar lasting board 11 of described lower support plate 8 and the end face of described slideway 12 and sidewall arrange the purpose of corrosion resistant plate 13, it is to reduce the frictional force between described lower support plate 8 and its outer races 12, thus reduces the frictional resistance in bridge incremental launching slipping.
In the course of the work, this utility model can realize the continuous monitoring to the change of bridge incremental launching slide device vertical bearing capacity by the pressure of test hydraulic medium.
Being schematically described the technical solution of the utility model above in association with drawings and Examples, this description is the most restricted.Those skilled in the art will be understood that in actual application, and set-up mode of the present utility model is likely to occur some and changes, and other staff are likely to make similar Design under it enlightens.Special needs to be pointed out is, without departing from design aim of the present utility model, all obvious changes and similar Design thereof, within being all contained in protection domain of the present utility model.
Claims (3)
1. a bridge incremental launching slide device, including upper bearing plate and lower support plate, is characterized in that: be respectively provided with fluted on described upper bearing plate and lower support plate；
Spherical crown liner plate is installed in the groove of described upper bearing plate, the upper plane of described spherical crown liner plate contacts with the bottom portion of groove of described upper bearing plate, the described lower spherical of spherical crown liner plate agrees with mutually with the radial end face of stud, the threaded locking nut of described stud, the flange on described stud top contacts with the sidewall of described upper bearing plate；
Piston rod is installed in the groove of described lower support plate, it is provided with the sidewall with described lower support plate on described piston rod and forms the sealing ring sealed, the spacing ring being connected with described piston rod thread is installed in the sidewall of described lower support plate, the bottom of described lower support plate has the hydraulic pressure hole for connecting hydraulic system, described hydraulic pressure hole communicates with the annular channel bottom described piston rod, and described lower support plate is inlaid in slideway.
Bridge incremental launching slide device the most according to claim 1, is characterized in that: each corner point of described upper bearing plate is respectively arranged with crab-bolt.
Bridge incremental launching slide device the most according to claim 1, it is characterized in that: bottom and the side of described lower support plate are respectively arranged with planar lasting board, the end face of described slideway and sidewall are respectively arranged with corrosion resistant plate, and the corrosion resistant plate on described slideway forms flat frictional pair with the planar lasting board in described lower support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620164465.5U CN205443965U (en) | 2016-03-03 | 2016-03-03 | Bridge top pushes away displacement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620164465.5U CN205443965U (en) | 2016-03-03 | 2016-03-03 | Bridge top pushes away displacement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205443965U true CN205443965U (en) | 2016-08-10 |
Family
ID=56605850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620164465.5U Expired - Fee Related CN205443965U (en) | 2016-03-03 | 2016-03-03 | Bridge top pushes away displacement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205443965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012500A (en) * | 2020-07-07 | 2020-12-01 | 上海建工集团股份有限公司 | Wedge-shaped locking self-propelled pushing device and method |
-
2016
- 2016-03-03 CN CN201620164465.5U patent/CN205443965U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012500A (en) * | 2020-07-07 | 2020-12-01 | 上海建工集团股份有限公司 | Wedge-shaped locking self-propelled pushing device and method |
| CN112012500B (en) * | 2020-07-07 | 2023-01-13 | 上海建工集团股份有限公司 | Wedge-shaped locking self-propelled pushing device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20210303 |