CN202208972U - Multi-point synchronization jacking device - Google Patents
Multi-point synchronization jacking device Download PDFInfo
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- CN202208972U CN202208972U CN2011201060478U CN201120106047U CN202208972U CN 202208972 U CN202208972 U CN 202208972U CN 2011201060478 U CN2011201060478 U CN 2011201060478U CN 201120106047 U CN201120106047 U CN 201120106047U CN 202208972 U CN202208972 U CN 202208972U
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- frequency control
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- jacking
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Abstract
The utility model discloses a multi-point synchronization jacking device, which belongs to the field of automatic control and comprises an electric control module, a frequency conversion speed regulation hydraulic driving module and an operation platform which are sequentially connected through an industrial control bus. The frequency conversion speed regulation hydraulic driving module is formed by a plurality of groups of frequency conversion speed regulation hydraulic driving sets, each group of the frequency conversion speed regulation hydraulic driving sets correspond to a control area, and the groups of the frequency conversion speed regulation hydraulic driving sets are connected with each other. Each group of the frequency conversion speed regulation hydraulic driving sets is composed of one or more frequency conversion speed regulation hydraulic driving set units each of which is composed of a frequency conversion speed regulation hydraulic driving unit and a displacement sensor. The multi-point synchronization jacking device adopts a feedback control principle to achieve synchronization lifting operation of an extra large building with high accuracy and multi-control point coordination.
Description
Technical field
The utility model relates to automation field, particularly a kind of multiple spot synchronization of jacking up device.
Background technology
Building jacking technology has had the developing history of decades in worldwide, it is increasing along with the large scale structure installing engineering and a novel construction technology that grow up.Can be applied to that the building with historical value is transferred to suitable position and protect, railroad bridge set up the integral jacking with roofing.
Along with the development of hydraulic technique, at present in order to satisfy the synchronization of jacking up requirement of building, generally adopt the semi-automatic hydraulic jack-up system, it has solved the jacking problem of building heavy duty.Make that building can integral shift, avoided removing rebuild and bring economically with temporal dual loss.
In the process that realizes the utility model, the inventor finds that there is following problem at least in prior art:
Along with the weight and volume of building is increasing, and complex structure, load distribution are uneven, and it is a lot of that this just requires jack-up system to improve in the control accuracy of a ultra-large type building of jacking, also need realize the multiple spot synchronization lifting simultaneously.Existing semi-automatic hydraulic jack-up system can't satisfy the while coordinated multi-point and as one man accomplish the high-precise synchronization lift work.
The utility model content
In order to realize the function of building multiple spot synchronization lifting operation, the utility model embodiment provides a kind of multiple spot synchronization of jacking up device.Said technical scheme is following:
A kind of multiple spot synchronization of jacking up device is characterized in that said system comprises: electrical control module, frequency control hydraulic-driven module and operating desk;
Said electrical control module, frequency control hydraulic-driven module is connected through industrial-controlled general line with operating desk successively;
Said frequency control hydraulic-driven module is made up of many groups frequency control hydraulic-driven unit, each corresponding control zone of group frequency control hydraulic-driven unit, and each is organized frequency control hydraulic-driven unit and is connected to each other;
Each group frequency control hydraulic-driven unit is made up of one or more frequency control hydraulic-driven units unit, and each frequency control hydraulic-driven unit unit is made up of frequency control hydraulic drive unit and displacement transducer.
The beneficial effect of the technical scheme that the utility model embodiment provides is: realize the harmonious high-precision completion building synchronization lifting in the many control points of ultra-large type building through adopting evolution of feedback controlling theory, in whole synchronization of jacking up system, reach synchronous purpose in a kind of motion.Make the uneven building of complex structure load distribution under the situation that guarantees existing attitude, carry out integral shift, guaranteed that more accurately building and structures self does not produce strain, situation about not ftractureing.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment; To do one to the accompanying drawing that uses among the embodiment below introduces simply; Obviously, below listed accompanying drawing only be some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the multiple spot synchronization of jacking up apparatus structure sketch map that the utility model embodiment 1 provides;
Fig. 2 is the structural representation of frequency control hydraulic-driven unit unit in the multiple spot synchronization of jacking up device that provides of the utility model embodiment 2;
Fig. 3 is the structural representation of oil cylinder in the multiple spot synchronization of jacking up device that provides of the utility model embodiment 2.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model embodiment is done to describe in detail further below.
Embodiment 1
Referring to Fig. 1, present embodiment provides a kind of multiple spot synchronization of jacking up device, comprising:
Electrical control module 101, frequency control hydraulic-driven module 102 and operating desk 103;
Said electrical control module 101, frequency control hydraulic-driven module 102 and operating desk 103 are connected through industrial-controlled general line successively;
Said frequency control hydraulic-driven module 102 is made up of many groups frequency control hydraulic-driven unit 102A, each corresponding control zone of group frequency control hydraulic-driven unit 102A, and each is organized frequency control hydraulic-driven unit 102A and is connected to each other;
Each group frequency control hydraulic-driven unit 102A is made up of one or more frequency control hydraulic-driven unit unit 102A1, and each frequency control hydraulic-driven unit unit 102A1 is made up of frequency control hydraulic drive unit 102A11 and displacement transducer 102A12.
Present embodiment is realized the harmonious high-precision completion building synchronization lifting in the many control points of ultra-large type building through adopting evolution of feedback controlling theory, in whole synchronization of jacking up system, reaches synchronous purpose in a kind of motion.Make the uneven building of complex structure load distribution under the situation that guarantees existing attitude, carry out integral shift, guaranteed that more accurately building and structures self does not produce strain, situation about not ftractureing.
Embodiment 2
Present embodiment provides a kind of multiple spot synchronization of jacking up device, is on the basis of embodiment 1, to improve:
Electrical control module 101; Electrical control is the important technical that is used to realize industrial production automation; Along with updating of the continuous development of science and technology, production technology, the particularly application of computer technology is PLC (the Programmable Logic Controller of core with the microprocessor; Programmable logic controller (PLC)) develops into main control device at present, realize various control functions with software.PLC is a kind of specially under industrial environment, using the electronic installation of the digital operation operation that designs.It adopts the memory that can program; Being used within it, portion stores the instruction that actuating logic computing, sequential operation, timing, counting and arithmetical operation etc. are operated; And can control various types of machineries or manufacturing process through digital or analog input and output.PLC adopts strict production technology manufacturing owing to adopt modern large scale integrated circuit technology, and internal circuit has been taked advanced Anti-Jamming Technique, has very high reliability.
What the utility model embodiment adopted is the operational order that the PLC programmable logic controller is sent according to console; Drive variable frequency speed governing hydraulic-driven unit; Drive the hydraulic pump pressure oil output and make corresponding oil cylinder motion; The pressure sensor of each oil cylinder and load and the displacement signal that displacement transducer will collect oil cylinder send to the PLC programmable logic controller simultaneously, and the PLC programmable logic controller adopts the frequency control Closed loop Control to realize Synchronization Control, promptly realizes simultaneous techniques according to the displacement signal of pressure in the detected oil cylinder and oil cylinder as feedback control signal; Constantly the correction motion error keeps each oil cylinder load sync equalizing.Guarantee the control accuracy in the building synchronization of jacking up process, also coordinated simultaneously in the synchronization lifting process the uneven problem of load distribution between a plurality of control points.
Whole jack-up system is synchronous working under the control of electrical control module, and the network utilisation PROFIBUS industrial bus that whole system is formed through the electrical control module connects and controls.PROFIBUS is a kind of field bus technique that is used for the monitoring of factory automation workshop level and scene equipment level data communication and control, has ensured the stability and the reliability of whole electrical control module.
Electrical control module 101 with the displacement of building displacement as main control parameters; PLC is with the displacement signal of collecting; With comparing of tolerance, become pressure signal to send to frequency control hydraulic-driven module 102 this data transaction, thereby limit the oil cylinder pushing tow action of each point.Through these actions through accurately controlling between each controlled point, whole synchronous control system reaches the synchronous purpose in a kind of motion.Make building under the situation that guarantees existing attitude, carry out integral shift; The construction technology of this synchronous displacement; It is very little to investigate the deformation that building and works produce in the jacking shifting process, allows to produce in the deformation range at building and works fully.Thereby guarantee that building and structures self does not produce strain, situation such as cracking do not take place, to guarantee the existing structure state of building and works.
Frequency control hydraulic-driven module 102,102A constitutes by many groups frequency control hydraulic-driven unit, each corresponding control zone of group frequency control hydraulic-driven unit, each is organized frequency control hydraulic-driven unit and is connected to each other.
Wherein, Each group frequency control hydraulic-driven unit 102A is made up of one or more frequency control hydraulic-driven unit unit 102A1, and each frequency control hydraulic-driven unit unit 102A1 is made up of frequency control hydraulic drive unit 102A11 and displacement transducer 102A12.Frequency control hydraulic-driven unit unit 102A1 is referring to Fig. 2.
Concrete; For the building of wanting jacking; On behalf of a displacement control zone, the parameter that the control zone provides according to design, each point in the multiple spot jack-up system select to arrange how many table oil cylinders, and it is to divide according to the close rule of load that the control zone is divided; Displacement transducer 102A12 should lay the oil cylinder center in each control zone in theory; Practical application will consider that fabric structure itself whether can installation position displacement sensor 102A12, if field condition can not satisfy the installation of displacement transducer 102A12, then displacement transducer 102A12 is installed near the heavier oil cylinder position of load in the control zone.Each displacement control zone is made up of a plurality of frequency control hydraulic drive unit, and concrete quantity is confirmed by the structure and the load situation of building.After building is accomplished load-bearing, each displacement point being unified displacement zero setting, is that benchmark carries out synchronization of jacking up with zero.
Each corresponding displacement control zone of group frequency control hydraulic-driven unit 102A.Frequency control hydraulic-driven unit 102A is used for building is carried out the main device of jacking.Each group frequency control hydraulic-driven unit 102A is made up of one or more frequency control hydraulic-driven unit unit 102A1, and each group frequency control hydraulic-driven unit unit 102A1 is made up of frequency control hydraulic drive unit 102A11 and displacement transducer 102A12.All comprise hydraulic pump 102A111 among each frequency control hydraulic drive unit 102A11, motor 102A112, reversal valve 102A113, oil cylinder 102A114, frequency converter 102A115.Hydraulic pump 102A111 is connected with reversal valve 102A113 with motor 102A112 respectively, and oil cylinder 102A114 is connected with reversal valve 102A113, and frequency converter 102A115 is connected with motor 102A112.
Through pulsewidth modulation closed-loop control and pulsewidth modulation open-loop control technology, control motor 102A112 moment of torsion, utilize the numeral of microprocessor to export analog circuit is controlled.
Oil cylinder 102A114 is a servo-cylinder, referring to Fig. 3.Dispose pressure sensor 102A1141 in it and all carried valve 102A1142, guaranteed the height reliability of jack-up system under abominable working environment.Wherein pressure sensor 102A1141 can record the pressure among the oil cylinder 102A114 accurately, thereby can obtain the accurate tonnage of load.When oil cylinder 102A114 moved, pressure sensor just can accurately be measured the load that oil cylinder 102A114 is born in real time.All carry the overload protection function of valve 102A1142, common bloated cylinder accident when having avoided the multi-cylinder jacking.
Displacement transducer 102A12 is used for measuring the displacement situation of oil cylinder 102A114 in each displacement control zone, can monitor displacement and the displacement synchronous uniformity of each oil cylinder 102A114.
The displacement signal of the oil cylinder 102A114 that pressure signal that pressure sensor 102A1141 among the oil cylinder 102A114 is measured and displacement transducer 102A12 are measured through industrial bus real-time send PLC to, frequency converter 102A115 is carried out the correction of displacement error by PLC through the setting in the configuration software program to the oil cylinder 102A114 of each point according to feedback.
Motor 102A112 control oil-feed speed governing on the frequency control hydraulic drive unit 102A11 is all carried valve 102A1142 control heavy duty and is fallen hydraulic circuit earlier, reaches high-precise synchronization when singly being not jacking, carries when descending at band and can guarantee high-precise synchronization equally.
Operating desk 103 is used for the operational order that the operator issues the jacking building.
Concrete, can articulate the color touch screen, real-time online shows jacking displacement and jacking load, also can articulate Industrial Personal Computer (IPC) real time record construction overall process.
Present embodiment is realized the harmonious high-precision completion building synchronization lifting in the many control points of ultra-large type building through adopting evolution of feedback controlling theory, in whole synchronization of jacking up system, reaches synchronous purpose in a kind of motion.Make the uneven building of complex structure load distribution under the situation that guarantees existing attitude, carry out integral shift, guaranteed that more accurately building and structures self does not produce strain, situation about not ftractureing.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (4)
1. a multiple spot synchronization of jacking up device is characterized in that said system comprises: electrical control module, frequency control hydraulic-driven module and operating desk;
Said electrical control module, frequency control hydraulic-driven module is connected through industrial-controlled general line with operating desk successively;
Said frequency control hydraulic-driven module is made up of many groups frequency control hydraulic-driven unit, each corresponding control zone of group frequency control hydraulic-driven unit, and each is organized frequency control hydraulic-driven unit and is connected to each other;
Each group frequency control hydraulic-driven unit is made up of one or more frequency control hydraulic-driven units unit, and each frequency control hydraulic-driven unit unit is made up of frequency control hydraulic drive unit and displacement transducer.
2. multiple spot synchronization of jacking up device according to claim 1 is characterized in that,
Said frequency control hydraulic drive unit is made up of hydraulic pump, motor, reversal valve, oil cylinder and frequency converter;
Said hydraulic pump is connected with reversal valve with motor respectively, and said oil cylinder is connected with reversal valve, and said frequency converter is connected with motor.
3. multiple spot synchronization of jacking up device according to claim 2 is characterized in that,
Said oil cylinder is by pressure sensor and all carry valve and constitute.
4. multiple spot synchronization of jacking up device according to claim 3 is characterized in that,
Through industrial-controlled general line load and the displacement signal that the pressure sensor and the said displacement transducer of said oil cylinder will collect oil cylinder is sent to the PLC programmable logic controller (PLC); The electrical control module is according to displacement signal and load signal correction motion error, to keep each oil cylinder load balancing; Wherein said PLC programmable logic controller (PLC) belongs to said electrical control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201060478U CN202208972U (en) | 2011-04-12 | 2011-04-12 | Multi-point synchronization jacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201060478U CN202208972U (en) | 2011-04-12 | 2011-04-12 | Multi-point synchronization jacking device |
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| CN202208972U true CN202208972U (en) | 2012-05-02 |
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| CN2011201060478U Expired - Fee Related CN202208972U (en) | 2011-04-12 | 2011-04-12 | Multi-point synchronization jacking device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099868A (en) * | 2013-04-10 | 2014-10-15 | 财团法人中华顾问工程司 | Bridge jacking synchronous control integration system |
| CN104514201A (en) * | 2013-10-03 | 2015-04-15 | 财团法人中华顾问工程司 | Bridge jacking applied three-axis parallel mechanism |
| CN107284621A (en) * | 2017-06-28 | 2017-10-24 | 江苏科技大学 | A kind of flexible bracket system built for boat segmental and method of construction |
| CN107542267A (en) * | 2016-06-28 | 2018-01-05 | 中国二十冶集团有限公司 | The jacking contrary sequence method of skyscraper |
| CN107572380A (en) * | 2017-09-29 | 2018-01-12 | 上海振华重工(集团)股份有限公司 | A kind of all-electric field bridge |
| CN109399461A (en) * | 2017-11-02 | 2019-03-01 | 河南卫华重型机械股份有限公司 | The more supporting points of erecting machine rack carry and overload protection automatic control system |
| CN110318468A (en) * | 2019-06-23 | 2019-10-11 | 山西宏厦建筑工程第三有限公司 | Eccentric space rack installation auxiliary device and installation method |
| CN110848189A (en) * | 2019-11-18 | 2020-02-28 | 北京特种机械研究所 | Hydraulic synchronous control method for multiple two-stage cylinders |
| CN111172880A (en) * | 2020-01-03 | 2020-05-19 | 同济大学 | Automatic balance type liftable trestle based on negative feedback |
| CN112878203A (en) * | 2021-01-26 | 2021-06-01 | 江苏筑港建设集团有限公司 | Lifting beam operation method for synchronously jacking beam body |
-
2011
- 2011-04-12 CN CN2011201060478U patent/CN202208972U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099868A (en) * | 2013-04-10 | 2014-10-15 | 财团法人中华顾问工程司 | Bridge jacking synchronous control integration system |
| CN104514201A (en) * | 2013-10-03 | 2015-04-15 | 财团法人中华顾问工程司 | Bridge jacking applied three-axis parallel mechanism |
| CN104514201B (en) * | 2013-10-03 | 2016-08-24 | 财团法人中华顾问工程司 | Bridge jacking applied three-axis parallel mechanism |
| CN107542267A (en) * | 2016-06-28 | 2018-01-05 | 中国二十冶集团有限公司 | The jacking contrary sequence method of skyscraper |
| CN107284621A (en) * | 2017-06-28 | 2017-10-24 | 江苏科技大学 | A kind of flexible bracket system built for boat segmental and method of construction |
| CN107572380B (en) * | 2017-09-29 | 2023-09-01 | 上海振华重工(集团)股份有限公司 | Full electric field bridge |
| CN107572380A (en) * | 2017-09-29 | 2018-01-12 | 上海振华重工(集团)股份有限公司 | A kind of all-electric field bridge |
| CN109399461A (en) * | 2017-11-02 | 2019-03-01 | 河南卫华重型机械股份有限公司 | The more supporting points of erecting machine rack carry and overload protection automatic control system |
| CN110318468B (en) * | 2019-06-23 | 2021-03-19 | 山西宏厦建筑工程第三有限公司 | Auxiliary device and method for installing eccentric space net rack |
| CN110318468A (en) * | 2019-06-23 | 2019-10-11 | 山西宏厦建筑工程第三有限公司 | Eccentric space rack installation auxiliary device and installation method |
| CN110848189A (en) * | 2019-11-18 | 2020-02-28 | 北京特种机械研究所 | Hydraulic synchronous control method for multiple two-stage cylinders |
| CN111172880A (en) * | 2020-01-03 | 2020-05-19 | 同济大学 | Automatic balance type liftable trestle based on negative feedback |
| CN112878203A (en) * | 2021-01-26 | 2021-06-01 | 江苏筑港建设集团有限公司 | Lifting beam operation method for synchronously jacking beam body |
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Granted publication date: 20120502 Termination date: 20200412 |
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| CF01 | Termination of patent right due to non-payment of annual fee |