CN208234446U - A kind of Hydrauservo System accurately joined the two sections of a bridge, etc for bridge - Google Patents
A kind of Hydrauservo System accurately joined the two sections of a bridge, etc for bridge Download PDFInfo
- Publication number
- CN208234446U CN208234446U CN201820734731.2U CN201820734731U CN208234446U CN 208234446 U CN208234446 U CN 208234446U CN 201820734731 U CN201820734731 U CN 201820734731U CN 208234446 U CN208234446 U CN 208234446U
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- China
- Prior art keywords
- bridge
- sections
- damping
- plc control
- control unit
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- 238000013016 damping Methods 0.000 claims abstract description 64
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000008602 contraction Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 19
- 238000010276 construction Methods 0.000 description 7
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000001595 contractor effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of Hydrauservo Systems accurately joined the two sections of a bridge, etc for bridge, including between bridge pier be equipped with incremental launching device beam sections and opposite beam to be joined the two sections of a bridge, etc, it is characterized in that, it further include PLC control unit, the opposite beam be equipped with to segment case bay from the sensor incuded, the incremental launching device is the fluid linking damper that function is stretched with top, the signal output end of the PLC control unit and the signal input part of shut-off valve, the signal input part of hydraulic top pushing device connects, the signal input part of the PLC control unit and the signal output end of sensor connect.The utility model accurately controls entire closure process by PLC control unit, efficiently rapidly completes closure, and fluid linking damper, which stays put, after closure continues to play damping vibration attenuation function, avoids the dismounting of incremental launching device and the installation of damper.
Description
Technical field
The utility model relates to science of bridge building components, in particular to a kind of liquid accurately to join the two sections of a bridge, etc for Longspan Bridge beam body
Press servo-system.
Background technique
The bridge construction project general duration is longer, operating condition is more complex, and environment temperature etc. can not resist factor more, it is numerous because
Element affects the accuracy of beam body closure, and can not carry out beam body closure in real time, needs to wait for the suitable time and temperature can
Construction.
The method that closure uses at present is to reserve beam sections, influenced by temperature, construction error etc., beam sections are necessary
Scene reprocessing, influences construction period.Closure precision can not be held, and directly affect construction quality, and construction cost is high, difficult
Degree is high, and the period is long, influences the installation of shock-absorption device.
If beam body can be carried out round-the-clockly by utilizing incremental launching device directly with opposite beam pushing closure after segment girder precast
Closure, but it is higher to its required precision, and remove incremental launching device after joining the two sections of a bridge, etc, then fluid linking damper is installed, it is right
Bridge carries out damping, and whole process complex procedures, consuming are huge, less economical.
Therefore, it is necessary to develop it is a kind of accurately join the two sections of a bridge, etc, join the two sections of a bridge, etc for bridge after with damping function Hydrauservo System.
Summary of the invention
The purpose of this utility model seeks to solve the deficiency of above-mentioned background technique, provides one kind and accurately closes for bridge
Hydrauservo System with damping function after dragon, closure.
The technical solution of the utility model are as follows: a kind of Hydrauservo System accurately joined the two sections of a bridge, etc for bridge, including with bridge pier
Between equipped with incremental launching device beam sections and opposite beam to be joined the two sections of a bridge, etc, which is characterized in that further include PLC control unit, it is described right
Face beam be equipped with to segment case bay from the sensor incuded；
The incremental launching device is the fluid linking damper that function is stretched with top, and the fluid linking damper includes cylinder body, piston, work
Cylinder body is divided into the first damping chamber and the second damping chamber, the first damping chamber and the second damping by stopper rod, the piston
Resisting medium is filled in chamber, the first damping chamber and the second damping chamber are connected by the damping circuit outside cylinder body
Logical, damping circuit described in the fluid linking damper is equipped with shut-off valve, is respectively equipped on the damping circuit of the shut-off valve two sides
Hydraulic top pushing device；
The signal output end of the PLC control unit and signal input part, the signal of hydraulic top pushing device of shut-off valve are defeated
Enter end connection, the signal input part of the PLC control unit and the signal output end of sensor connect.
Preferably, the damping circuit is equipped with the hourglass shape diversion section that radial contraction is formed, and the shut-off valve is set to
On diversion section at internal diameter minimum.
Further, the damping circuit is that two-arm and cylinder body be radial parallel, the axial parallel U-shaped knot of bottom and cylinder body
Structure, the diversion section are located at the bottom of U-shaped structure.
Preferably, the hydraulic top pushing device includes the pushing tow oil circuit drawn from hydraulic station, and the pushing tow oil circuit passes through tool
There is the quick coupling of opening and closing two states to connect with damping circuit, the pushing tow oil circuit is equipped with hydraulic pump.
Further, the signal output end of the PLC control unit and the signal input part of quick coupling connect.
Preferably, the cylinder body first damping chamber and second damping chamber corresponding position open up respectively the first oil filler point,
Second oil filler point, the both ends of the damping circuit are connected to the first oil filler point, the second oil filler point respectively.
The utility model has the following beneficial effects:
1. accurately controlled entire closure process by PLC control unit, section of control fluid linking damper when closure
Only valve is closed, then damping circuit is closed, wherein hydraulic oil pressure is damped chamber/second damping cavity into first by a hydraulic top pushing device
Interior pushes piston rod horizontal movement, and another hydraulic top pushing device is by hydraulic oil from the second damping chamber/first damping chamber
Output, and reach the function of top beam body.Sensor carries out induction feedback to closure distance when the beam body of fluid linking damper top, essence
Really it is efficiently completed closure.
2. closure after fluid linking damper stay put continue play damping shock absorption function, avoid the dismounting of incremental launching device with
And the installation of damper.After the closure of sensor sensing beam body, control shut-off valve is opened, and damping circuit is by the first damping cavity
Room, the second damping chamber, the portion that the viscosity property of resisting medium and hole contracting effect carry out structure transmitting when vibrating generation
Divide energy to be converted into thermal dissipation, achievees the purpose that alleviate the outer impact carried, reduce structural vibration, protect structure safety.
3. round-the-clock beam body closure can be carried out precisely in real time, safely, quickly and effectively solve due to the long duration, again
The problem that general labourer's condition etc. can not resist the closure of beam body caused by factor precision not high, and reduce the construction cost of project.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model Hydrauservo System
Fig. 2 is the structural schematic diagram of fluid linking damper
Wherein: 1- cylinder body 2- piston 3- piston rod 4- damping circuit 5- diversion section 6- shut-off valve 7- hydraulic station 8-
The opposite pushing tow oil circuit 9- quick coupling 10- hydraulic pump 11- beam sections 12- beam 13- inductor 14- fluid linking damper
1.1- first damps chamber 1.2- second and damps the first oil filler point of chamber 1.3- the second oil filler point of 1.4-.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, the Hydrauservo System provided by the utility model accurately joined the two sections of a bridge, etc for bridge, including between bridge pier
Beam sections 11 and opposite beam 12 to be joined the two sections of a bridge, etc equipped with incremental launching device, which is characterized in that further include PLC control unit, opposite
Beam 12 is equipped with the sensor 13 incuded between distance beam sections 11.
As shown in Fig. 2, incremental launching device is to stretch the fluid linking damper 14 of function with top, fluid linking damper 14 include cylinder body 1,
Piston 2, piston rod 3, piston 2 divide cylinder body 1 for the first damping chamber 1.1 and the second damping chamber 1.2, the first damping chamber
1.1 and second damping chamber 1.2 in be filled with resisting medium, first damping chamber 1.1 and second damping chamber 1.2 pass through setting
Damping circuit 4 outside cylinder body 1 is connected to, and fluid linking damper damping circuit 4 is equipped with shut-off valve 6,4 both ends of damping circuit difference
Chamber 1.2 is damped with the first damping chamber 1.1, second to connect, and is respectively equipped with hydraulic top on the damping circuit 4 of 6 two sides of shut-off valve
Pushing device；Damping circuit 4 is equipped with the hourglass shape diversion section 5 that radial contraction is formed, and diversion section 5 includes that both ends relative constriction is formed
Conical section and the straight pipe that is connected to two conical section small ends, inside diameter of straight pipe section is identical as conical section small end inner diameter.Shut-off valve 6
It is set on diversion section 5 at internal diameter minimum (on straight pipe).Damping circuit 4 is two-arm and cylinder body 1 is radial parallel, bottom and cylinder body
1 axial parallel U-shaped structure pipeline, diversion section 5 are located at the bottom of U-shaped structure.Cylinder body 1 damps chamber 1.1 and second first
Damping 1.2 corresponding position of chamber opens up the first oil filler point 1.3, the second oil filler point 1.4 respectively, and the both ends of damping circuit 5 are respectively with the
One oil filler point 1.3, the connection of the second oil filler point 1.4.Hydraulic top pushing device includes the pushing tow oil circuit 8 drawn from hydraulic station 7, pushing tow oil
Road 8 passes through the quick coupling 9 with opening and closing two states and connect with damping circuit 4, and pushing tow oil circuit 8 is equipped with hydraulic pump 10.It is living
3 one end of stopper rod is installed on pier, and the other end is installed in beam sections 11.
The signal input part of PLC control unit is connect with 13 signal output end of sensor, the signal output of PLC control unit
End is connect with the signal input part of shut-off valve 6, for controlling the switch of shut-off valve 6；The signal output end of PLC control unit and fast
The signal input part of quick coupling 9 connects, for controlling the opening and closing of conversion quick coupling 9.
The working principle of the utility model are as follows:
When closure needs beam body spacing, PLC control unit controls shut-off valve 6 and closes, and quick coupling 9 is opened, and passes
Sensor incudes distance between beam sections 11, opposite beam 12 in real time, and PLC control unit drives a hydraulic pump 10 from corresponding pushing tow oil circuit
7 damp hydraulic oil pressure in chamber 1.2 into the first damping chamber 1.1/ second, push 3 horizontal movement of piston rod (in Fig. 1 up and down
To), PLC control unit drives another hydraulic pump 10 that second damping chamber 1.2/ first is damped in chamber 1.1 hydraulic oil from right
The pushing tow oil circuit 7 answered exports, and reaches the function of top beam body, when sensor sensing beam body spacing reaches setting value, PLC control
Unit processed determines that closure finishes, and PLC control unit closes hydraulic pump 10, quick coupling 9, and shut-off valve 6 is opened, the first damping cavity
Room 1.1, second damps the resisting medium in chamber 1.2 and is flowed by the connection of damping circuit 5, the resisting medium when vibration occurs
The partial capability that structure transmitting comes is converted thermal dissipation by viscosity property and hole contracting effect, completes damping shock absorption function.
Claims (6)
1. a kind of Hydrauservo System accurately joined the two sections of a bridge, etc for bridge, the beam sections (11) including being equipped with incremental launching device between bridge pier
And opposite beam (12) to be joined the two sections of a bridge, etc, which is characterized in that further include PLC control unit, the opposite beam (12) be equipped with to
The sensor (13) that distance is incuded between beam sections (11)；
The incremental launching device is that the fluid linking damper (14) of function is stretched with top, the fluid linking damper (14) include cylinder body (1),
Cylinder body (1) is divided into the first damping chamber (1.1) and the second damping chamber by piston (2), piston rod (3), the piston (2)
(1.2), resisting medium, first damping cavity are filled in first damping chamber (1.1) and the second damping chamber (1.2)
Room (1.1) is connected to the second damping chamber (1.2) by cylinder body (1) external damping circuit (4), on the damping circuit (4)
Equipped with shut-off valve (6), hydraulic top pushing device is respectively equipped on the damping circuit (4) of shut-off valve (6) two sides；
The signal input of the signal input part, hydraulic top pushing device of the signal output end and shut-off valve (6) of the PLC control unit
End connection, the signal input part of the PLC control unit are connect with the signal output end of sensor (13).
2. the Hydrauservo System accurately joined the two sections of a bridge, etc for bridge as described in claim 1, which is characterized in that the damping circuit
(4) it is equipped with the hourglass shape diversion section (5) that radial contraction is formed, it is minimum that the shut-off valve (6) is set to internal diameter on diversion section (5)
Place.
3. the Hydrauservo System accurately joined the two sections of a bridge, etc for bridge as claimed in claim 2, which is characterized in that the damping circuit
It (4) is two-arm and the U-shaped structure that cylinder body (1) is radial parallel, bottom is parallel with cylinder body (1) axial direction, the diversion section (5) is located at U
The bottom of type structure.
4. the Hydrauservo System accurately joined the two sections of a bridge, etc for bridge as described in claim 1, which is characterized in that the hydraulic pushing
Device includes the pushing tow oil circuit (8) drawn from hydraulic station (7), and the pushing tow oil circuit (8) passes through with the fast of opening and closing two states
Quick coupling (9) is connect with damping circuit (4), and the pushing tow oil circuit (8) is equipped with hydraulic pump (10).
5. the Hydrauservo System accurately joined the two sections of a bridge, etc for bridge as claimed in claim 4, which is characterized in that the PLC control
The signal output end of unit is connect with the signal input part of quick coupling (9).
6. the Hydrauservo System accurately joined the two sections of a bridge, etc for bridge as described in claim 1, which is characterized in that the cylinder body (1)
The first oil filler point (1.3), the second oiling are opened up respectively in the first damping chamber (1.1) and second damping chamber (1.2) corresponding position
Hole (1.4), the both ends of the damping circuit (4) are connected to the first oil filler point (1.3), the second oil filler point (1.4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820734731.2U CN208234446U (en) | 2018-05-16 | 2018-05-16 | A kind of Hydrauservo System accurately joined the two sections of a bridge, etc for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820734731.2U CN208234446U (en) | 2018-05-16 | 2018-05-16 | A kind of Hydrauservo System accurately joined the two sections of a bridge, etc for bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208234446U true CN208234446U (en) | 2018-12-14 |
Family
ID=64579476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820734731.2U Expired - Fee Related CN208234446U (en) | 2018-05-16 | 2018-05-16 | A kind of Hydrauservo System accurately joined the two sections of a bridge, etc for bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208234446U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408633A (en) * | 2018-05-16 | 2018-08-17 | 湖北省交通规划设计院股份有限公司 | A kind of Hydrauservo System accurately joined the two sections of a bridge, etc for bridge |
| CN110644367A (en) * | 2019-09-19 | 2020-01-03 | 中铁大桥科学研究院有限公司 | Closure method and closure system for steel box girder of cable-stayed bridge |
-
2018
- 2018-05-16 CN CN201820734731.2U patent/CN208234446U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408633A (en) * | 2018-05-16 | 2018-08-17 | 湖北省交通规划设计院股份有限公司 | A kind of Hydrauservo System accurately joined the two sections of a bridge, etc for bridge |
| CN108408633B (en) * | 2018-05-16 | 2023-12-01 | 湖北省交通规划设计院股份有限公司 | Hydraulic servo system for accurate closure of bridge |
| CN110644367A (en) * | 2019-09-19 | 2020-01-03 | 中铁大桥科学研究院有限公司 | Closure method and closure system for steel box girder of cable-stayed bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 |