CN102180426B - Follow-up supporting device and method - Google Patents
Follow-up supporting device and method Download PDFInfo
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- CN102180426B CN102180426B CN201110108980.3A CN201110108980A CN102180426B CN 102180426 B CN102180426 B CN 102180426B CN 201110108980 A CN201110108980 A CN 201110108980A CN 102180426 B CN102180426 B CN 102180426B
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- servo
- actuated
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- balancing cylinder
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Abstract
The invention provides a follow-up supporting system which comprises a plurality of follow-up jacks, a hydraulic pump station, an oil pipe and balancing oil cylinders. The follow-up jacks adopt hydraulic drive, and internally adopt mechanical threads to bear upper part loads; and the system presses part of hydraulic oil to the balancing oil cylinder with smaller load from the balancing oil cylinder with larger load through the balancing oil cylinders and hydraulic oil lines till the loads borne by follow-up devices corresponding to the balancing oil cylinders at all points are basically uniform. The follow-up supporting system has the benefits that the follow-up supporting system has reliable bearing force, synchronicity and integral carrying capability, can overcome uniform loads caused by a mechanical machining error of the follow-up jacks, and ensures that the loads of the follow-up jacks in the same group is uniform.
Description
Technical field
The present invention relates to a kind of buildings or structures jacking ergonomic support system, especially a kind of bridge jacking ergonomic support system.
Background technology
At present, construction method conventional in bridge jacking engineering is hydraulic lifting jack, and especially in large-tonnage bridge jacking engineering, hydraulic lifting is unique selection.Hydraulic lifting jack system can provide powerful top lift, and whole hydraulic jack system is connected by oil pipe, so can jointly play a role when jacking.Current hydraulic jack integral jacking system especially synchronization of jacking up technology is mature on the whole, adopts PLC hydraulic synchronization to control jacking Successful utilization in entry engineering.In engineering in the past, hydraulic lifting system itself is also as the support system in bridge jacking engineering.
But there is very large risk as support system in hydraulic lifting system: let out in hydraulic pressure if occur during jacking, oil pipe burst etc. is unexpected, the safety of bridge jacking can be made to be on the hazard, immeasurable safety misadventure even occurs.
Therefore in order to overcome above-mentioned method and the defect of device, providing a kind of and still effectively can support top jacking when the oil pressure of oil cylinder suddenly disappears and rise bridge, avoid the invention of the servo-actuated support system mechanism of top bridge landing to be imperative.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, there is provided a kind of oil pressure at oil cylinder to suddenly disappear or oil pipe burst time still effectively can support top bridge and rise bridge, avoid the follow-up supporting mechanism of top bridge landing, thus provide Reliable guarantee for bridge jacking engineering safety.
The present invention is achieved through the following technical solutions:
That is: a follow-up supporting device, it comprises: servo-actuated top, hydraulic power unit, oil pipe and balancing cylinder, and below, described servo-actuated top is provided with balancing cylinder, is communicated with between the balancing cylinder of below, described servo-actuated top by oil pipe.
Described servo-actuated top adopts hydraulic-driven, and is communicated with hydraulic power unit.
Described servo-actuated top adopts mechanical whorl carrying.
Described servo-actuated top is identical with the balancing cylinder quantity below it, and the inner seal on servo-actuated top, be installed into oil outlet pipe, oil pipe is connected to hydraulic power unit.
A kind of servo-actuated method for supporting, it comprises: servo-actuated top, hydraulic power unit, oil pipe and balancing cylinder,
During jacking, open hydraulic power unit, jacking load in top passes to balancing cylinder by servo-actuated top, and the balancing cylinder with group is communicated with by oil pipe, and the oil in described pumping plant enters in servo-actuated top by oil pipe, follows up automatically due to hydraulic pressure in servo-actuated top;
When receiving cylinder, oil return, the oil in servo-actuated top enters hydraulic power unit,
Wherein, below, described servo-actuated top is provided with balancing cylinder, is communicated with between the balancing cylinder of below, described servo-actuated top by oil pipe;
Described servo-actuated top adopts mechanical whorl carrying, is born the load on top by the elastic deformation of mechanical whorl.
The inner seal on described servo-actuated top, be installed into oil outlet pipe, oil pipe is connected to hydraulic power unit.
That is, this servo-actuated support system is by one or more servo-actuated top, hydraulic power unit, some oil pipes and form with the balancing cylinder of servo-actuated top equal number.Be communicated with to get up by balancing cylinder with group by oil pipe, Convenient jack is communicated with hydraulic power unit.
Inside, servo-actuated top adopts mechanical whorl to carry, and is born the load on top by the elastic deformation of mechanical whorl.The inner seal on servo-actuated top, is installed into oil outlet pipe, and oil pipe is connected to hydraulic power unit or is called and controls on pumping plant.During jacking, this pumping plant is opened, the oil in pumping plant enters in servo-actuated top by oil pipe, follows up automatically in servo-actuated top; When receiving cylinder, oil return, the oil in servo-actuated top enters pumping plant.Whole device power is provided by hydraulic pressure, by the rising and the decline that regulate hand of rotation to get final product implement device.
The balancing cylinder of stroke very little (about 2mm) is put in below, every platform servo-actuated top, and balancing cylinder specification is identical, has oil pipe to be communicated with between each balancing cylinder, and during work, described balancing cylinder pressure is equal.By increasing Balance oil cylinder device, the offset deviation automatically can correcting rigidity between servo-actuated support makes the stress equalization of each strong point.Jacking load in top passes to balancing cylinder by servo-actuated top, and the balancing cylinder with group is communicated with by oil pipe, guarantees the Convenient jack uniform force with group; Described balancing cylinder stroke is very little, has oil pipe to be communicated with between each balancing cylinder, and Convenient jack and balancing cylinder use jointly.
The present invention has following beneficial effect: described in comprise follow-up mechanism and method servo-actuated support system there is the stressed property of failure-free bearing capacity, synchronism and entirety, the load unbalance stress caused because of Convenient jack machining error can be overcome, make the Convenient jack uniform force with group.
1: Convenient jack of the present invention adopts machinery carrying, avoids the accident such as hydraulic leak or oil leak, has good safety reliability relative to hydraulic jack.
2: Convenient jack of the present invention adopts hydraulic-driven, when the servo-actuated top of multiple stage is followed jointly, ensure that synchronism during the servo-actuated top effect of multiple stage, verification experimental verification this point.Hydraulically powered top of following, without the need to servomotor, so less relative to the Mechanical Driven scale of construction, is easy to install and use.
3: present invention employs the balancing cylinder that stroke is shorter, make servo-actuated support system be provided with good holistic resistant behavior, each servo-actuated top is stressed basically identical, reaches the effect of engineer applied through verification experimental verification.
4: through the contrast verification of test for several times, this invention has very high safety reliability, there is good synchronism, operability and holistic resistant behavior, can suddenly disappear as a kind of oil pressure at oil cylinder or oil pipe burst time still effectively can support top bridge and rise bridge, avoid the follow-up supporting mechanism of top bridge landing, thus provide Reliable guarantee for bridge jacking engineering safety.
Accompanying drawing explanation
By following to the description of embodiments of the invention in conjunction with its accompanying drawing, the purpose of the invention, specific structure features and advantages can be understood further.Wherein, accompanying drawing is:
Fig. 1 is the structural representation that follow-up supporting device system combinations of the present invention uses;
Fig. 2 is balancing cylinder structural representation of the present invention;
Fig. 3 is Convenient jack structural representation of the present invention.
Detailed description of the invention
The present invention is the support system being applied to buildings or structures jacking engineering, especially a kind of bridge jacking ergonomic support system.Be to existing servo-actuated support system, comprise the significant improvement that the basis of the shortcoming of bracing or strutting arrangement and method for supporting is made, there is very important practice significance.
Below in conjunction with drawings and Examples, invention is described further:
The invention discloses a kind of servo-actuated support system, comprise follow-up supporting device and servo-actuated method for supporting, this system is made up of some servo-actuated tops, hydraulic power unit, oil pipe and balancing cylinders.
This servo-actuated top or be called that Convenient jack adopts hydraulic-driven, the inner mechanical whorl that adopts carries upper load; Section hydraulic oil is pressed to more greatly the less balancing cylinder of stand under load by stand under load by balancing cylinder and hydraulic circuit by the present invention, until the suffered load of follow-up mechanism corresponding to the balancing cylinder of each point is basically identical.The invention has the beneficial effects as follows that servo-actuated support system has the stressed property of failure-free bearing capacity, synchronism and entirety, the load unbalance stress caused because of Convenient jack machining error can be overcome, make the Convenient jack uniform force with group.Overcome the deficiency existed in existing jack lifting technique, provide a kind of and still effectively can support top jacking when the oil pressure of oil cylinder suddenly disappears and rise bridge, avoid the servo-actuated support system mechanism of top bridge landing.
The present invention is realized by the technical scheme in following examples:
This servo-actuated support system is by one or more servo-actuated top, hydraulic power unit, some oil pipes and form with the balancing cylinder of servo-actuated top equal number.Be communicated with to get up by balancing cylinder with group by oil pipe, Convenient jack is communicated with hydraulic power unit.
Inside, servo-actuated top adopts mechanical whorl to carry, and is born the load on top by the elastic deformation of mechanical whorl.The inner seal on servo-actuated top, is installed into oil outlet pipe, and oil pipe is connected to and controls on pumping plant.During jacking, pumping plant is opened, the oil in pumping plant enters in servo-actuated top, follows up automatically in servo-actuated top; When receiving cylinder, oil return, the oil in servo-actuated top enters pumping plant.Whole device power is provided by hydraulic pressure, by the rising and the decline that regulate hand of rotation to get final product implement device.
The balancing cylinder of stroke very little (about 2mm) is put in below, every platform servo-actuated top, and balancing cylinder specification is identical, and have oil pipe to be communicated with between each balancing cylinder, during work, oil cylinder working-pressure is equal.By increasing Balance oil cylinder device, the offset deviation automatically can correcting rigidity between servo-actuated support makes the stress equalization of each strong point.
Hinge structure of the present invention has following beneficial effect:
1: Convenient jack of the present invention adopts machinery carrying, avoids the accident such as hydraulic leak or oil leak, has good safety reliability relative to hydraulic jack.
2: Convenient jack of the present invention adopts hydraulic-driven, when the servo-actuated top of multiple stage is followed jointly, ensure that synchronism during the servo-actuated top effect of multiple stage, verification experimental verification this point.Hydraulically powered top of following, without the need to servomotor, so less relative to the Mechanical Driven scale of construction, is easy to install and use.
3: present invention employs the balancing cylinder that stroke is shorter, make servo-actuated support system be provided with good holistic resistant behavior, each servo-actuated top is stressed basically identical, reaches the effect of engineer applied through verification experimental verification.
4: through the contrast verification of test for several times, this invention has very high safety reliability, there is good synchronism, operability and holistic resistant behavior, can suddenly disappear as a kind of oil pressure at oil cylinder or oil pipe burst time still effectively can support top bridge and rise bridge, avoid the follow-up supporting mechanism of top bridge landing, thus provide Reliable guarantee for bridge jacking engineering safety.
With reference to Fig. 1, this example servo-actuated support system used is made up of the servo-actuated top of n platform 101, a n hydraulic power unit 102, some oil pipes 103 and n platform balancing cylinder 104.Balancing cylinder 104, Convenient jack 101 and hydraulic power unit 102 are communicated with to get up by oil pipe 103, balancing cylinder 104 is placed on below, servo-actuated top.
With reference to the jack that the servo-actuated top 101 of Fig. 3 is employing hydraulic-driven, mechanical whorl carrying, i.e. Convenient jack, this servo-actuated heights of roofs 391mm, top and bottom are the circle of diameter 368mm, stroke 140mm, and load-carrying capacity is 400 tonnage models.Certainly other suitable models also can coordinate native system.
With reference to Fig. 2, balancing cylinder 104 is balancing cylinders of stroke very little (about 2mm), has oil pipe 103 to be communicated with between each balancing cylinder 104.The floor space of each balancing cylinder 104 is identical.
After installing with reference to each device of Figure 31, start to load, operating process as described above.
The quantity of the servo-actuated top 101 adopted in the present invention, hydraulic power unit 102, some oil pipes 103 and balancing cylinder 104 determines according to the situation of practical operation, and can increase and can subtract, certain whole principle is identical, is not repeating at this.
The description of above preferred embodiment makes those skilled in the art can manufacture or use the present invention, the various amendments of these embodiments are apparent for a person skilled in the art, and the General Principle defined here can be applied in other embodiment and not deviate from the spirit or scope of the present invention.Therefore, the present invention is not limited to shown here embodiment, and will meet the most wide in range scope consistent with the principle disclosed and novel feature here.
Claims (7)
1. a follow-up supporting device, is characterized in that, it comprises: servo-actuated top, hydraulic power unit, oil pipe and balancing cylinder, and below, described servo-actuated top is provided with balancing cylinder, is communicated with between the balancing cylinder of below, described servo-actuated top by oil pipe.
2. follow-up supporting device as claimed in claim 1, is characterized in that, described servo-actuated top adopts hydraulic-driven, and is communicated with hydraulic power unit.
3. follow-up supporting device as claimed in claim 1, is characterized in that, described servo-actuated top adopts mechanical whorl carrying.
4. follow-up supporting device as claimed in claim 1, it is characterized in that, described servo-actuated top is identical with the balancing cylinder quantity below it, and the inner seal on servo-actuated top, be installed into oil outlet pipe, oil pipe is connected to hydraulic power unit.
5. a servo-actuated method for supporting, is characterized in that, it comprises: servo-actuated top, hydraulic power unit, oil pipe and balancing cylinder,
During jacking, open hydraulic power unit, jacking load in top passes to balancing cylinder by servo-actuated top, and the oil in described pumping plant enters in servo-actuated top by oil pipe, follows up automatically due to hydraulic pressure in servo-actuated top;
When receiving cylinder, oil return, the oil in servo-actuated top enters hydraulic power unit,
Wherein, described balancing cylinder is arranged on below, servo-actuated top, is communicated with between the balancing cylinder of below, each servo-actuated top by oil pipe.
6. servo-actuated method for supporting as claimed in claim 5, is characterized in that, described servo-actuated top adopts mechanical whorl carrying, is born the load on top by the elastic deformation of mechanical whorl.
7. servo-actuated method for supporting as claimed in claim 5, is characterized in that, the inner seal on described servo-actuated top, be installed into oil outlet pipe, oil pipe is connected to hydraulic power unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110108980.3A CN102180426B (en) | 2011-04-28 | 2011-04-28 | Follow-up supporting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110108980.3A CN102180426B (en) | 2011-04-28 | 2011-04-28 | Follow-up supporting device and method |
Publications (2)
| Publication Number | Publication Date |
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| CN102180426A CN102180426A (en) | 2011-09-14 |
| CN102180426B true CN102180426B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110108980.3A Expired - Fee Related CN102180426B (en) | 2011-04-28 | 2011-04-28 | Follow-up supporting device and method |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605723B (en) * | 2012-04-01 | 2014-11-05 | 上海城建市政工程（集团）有限公司 | Follow-up support system for building jacking construction |
| CN102704398B (en) * | 2012-04-01 | 2014-04-02 | 上海城建市政工程（集团）有限公司 | Jacking construction method of capping beam |
| CN102704411B (en) * | 2012-04-01 | 2015-02-25 | 上海城建市政工程（集团）有限公司 | Follow-up support cushion block for jacking construction of buildings |
| CN103803450B (en) * | 2012-11-15 | 2016-03-30 | 五冶集团上海有限公司 | The quick method for supporting of a kind of hydraulic lifting |
| CN104828734B (en) * | 2015-03-19 | 2017-03-08 | 上海先为土木工程有限公司 | Mechanical screws formula follows supporting mechanism and method |
| CN111908362A (en) * | 2020-08-31 | 2020-11-10 | 广西桂冠电力股份有限公司大化水力发电总厂 | Main transformer jacking method and device |
| CN113683002A (en) * | 2021-08-24 | 2021-11-23 | 上海先为土木工程有限公司 | Synchronous falling protection system following jack and control method |
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|---|---|---|---|---|
| CN201003286Y (en) * | 2007-02-01 | 2008-01-09 | 于加顺 | Superlong prestressed concrete continuous box beam transverse-push device |
| CN101423184A (en) * | 2008-11-20 | 2009-05-06 | 无锡市三信传动控制有限公司 | Screw rod follow-up supporting mechanism of lifting device |
| CN201447670U (en) * | 2009-05-19 | 2010-05-05 | 汕头市达濠市政建设有限公司 | Multi-jack synchronous linkage jacking device for bridges |
| CN201626799U (en) * | 2010-01-05 | 2010-11-10 | 昆明电机厂有限公司 | Following non-rotational screw jack |
| CN202164554U (en) * | 2011-04-28 | 2012-03-14 | 上海城建（集团）公司 | Follow-up supporting device |
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2011
- 2011-04-28 CN CN201110108980.3A patent/CN102180426B/en not_active Expired - Fee Related
Patent Citations (5)
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|---|---|---|---|---|
| CN201003286Y (en) * | 2007-02-01 | 2008-01-09 | 于加顺 | Superlong prestressed concrete continuous box beam transverse-push device |
| CN101423184A (en) * | 2008-11-20 | 2009-05-06 | 无锡市三信传动控制有限公司 | Screw rod follow-up supporting mechanism of lifting device |
| CN201447670U (en) * | 2009-05-19 | 2010-05-05 | 汕头市达濠市政建设有限公司 | Multi-jack synchronous linkage jacking device for bridges |
| CN201626799U (en) * | 2010-01-05 | 2010-11-10 | 昆明电机厂有限公司 | Following non-rotational screw jack |
| CN202164554U (en) * | 2011-04-28 | 2012-03-14 | 上海城建（集团）公司 | Follow-up supporting device |
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| CN102180426A (en) | 2011-09-14 |
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| CB03 | Change of inventor or designer information |
Inventor after: Yin Tianjun Inventor after: Hu Jinsong Inventor after: Jiang Yanfeng Inventor after: Ding Yu Inventor after: Yu Guolun Inventor before: Yin Tianjun Inventor before: Hu Jinsong Inventor before: Jiang Yanfeng Inventor before: Ding Yu Inventor before: Yu Guolun |
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Addressee: Shanghai Xianwei Civil Engineering Co., Ltd. Document name: Notification to Pay the Fees |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20190428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |