CN1463909A - Primary and second follow-up control hydraulic lifting system and construction method for lifting thereof - Google Patents
Primary and second follow-up control hydraulic lifting system and construction method for lifting thereof Download PDFInfo
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- CN1463909A CN1463909A CN 02124630 CN02124630A CN1463909A CN 1463909 A CN1463909 A CN 1463909A CN 02124630 CN02124630 CN 02124630 CN 02124630 A CN02124630 A CN 02124630A CN 1463909 A CN1463909 A CN 1463909A
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Abstract
The master-slave controlling hydraulic raising system includes bearing system, power system and control system. The manual and/or automatic control system consists of manual switch combination, automatic operating switches, stroke switches, computer network comprising several programmable controllers and PC, relays. The manual control output and the automatic control output have the same control passage except the upper and lower clamper channels, and the working jacks, pumping station and laser instrument are always controlled by PC1 concentratively. When the system is used in raising construction, the stress the twisted steel cable applies to the member may be eliminated automatically and the system has high balance degree maintained automatically.
Description
One, technical field:
The present invention relates to a kind of bont and construction method, particularly hydraulic lift system and promote construction method.
Two, background technology:
Existing hydraulic pressure lift is divided into two classes by control system: the first kind: logic elevator system (comprising programmable logic control); Second class: computer controlled elevator system.Wherein first kind system architecture is simple, Installation and Debugging convenient, has good effect, but its lifting degree of balance is lower, produces accumulated error in the lifting process, can not eliminate the stress that steel strand bring member automatically; Second type systematic has solved the problem of logic control system, but it uses steel ruler assembly coder structure as the vertical survey element always, in practice, understand the retractility of steel ruler, brought in the detection by wind-force swing or the like error, influenced accuracy of detection, the corresponding degree of balance that reduces elevator system; In addition, existing manual, autonomous cruise speed system separate, owing to there are 2 control access, cause circuit many and complicated, and manually control is to adopt the direct control mode, when lifting suspension centre range distribution is wide, just is difficult to realization and can not realizes that maybe central authorities concentrate manual direct control; Because it is wider to promote the suspension centre range distribution, the master control personnel can not in time understand each scene away from each suspension centre, are in a kind of passive commander's state.
Three, summary of the invention:
The technical problem to be solved in the present invention is: 1, existing manually, autonomous cruise speed system separately, cause circuit many and complicated, when promoting the suspension centre range distribution when wide, just be difficult to realize maybe can not realize central central controlled problem; 2, existing computer controlled elevator system uses steel ruler assembly coder structure as the vertical survey element, in practice, understand the retractility of steel ruler, brought in the detection by wind-force swing or the like error, influenced accuracy of detection, the corresponding problem that has reduced the degree of balance of elevator system; 3, because to promote the suspension centre range distribution bigger, the master control personnel can not in time understand each scene away from each suspension centre, are in a kind of problem of passive commander's state.A kind of employing computer program control is provided, eliminated the problem of logic elevator system, improved vertical survey system in the computer controlled elevator system, increased television monitoring to each suspension centre scene, improved manual control device simultaneously, make it have better operating characteristic, be more suitable for hydraulic lift system and lifting construction method thereof in high capacity control.
Its technical scheme of dealing with problems is: 1, manually control, automatic guidance are concentrated design, with M/C, operate in the PC and make up automatically with program design, in the action that mouth uses same delivery channel to remove control relay and electromagnetic valve, provide a suitable high capacity, large span lifting, the control setup that is fit to various situations (various customer requirements) simple to operate; 2, select laser rangefinder to replace steel ruler and coder combination as the vertical survey element; 3, be implemented in centralized control room and understand each suspension centre operating mode with shooting, television monitoring mode by supervisory system.
Its concrete technical scheme is:
A primary and second follow-up control hydraulic elevator system, comprise the load bearing system of forming by steel strand connection jack and member, many power system, the manual control system of forming with automatic control device of controlling that pumping plant is formed, by electromagnetic valve connection control system and power system; Connect jack and power system by hydraulic circuit; It is characterized in that: the automatic or manual that the computer network that described control system is made of manual operation switch group, automatic operation switch, travel switch group, a n programmable controller PC, relay K D1～KDi, KB1～KBj, n K1～K9, a n Kz2, a n Kz3 form or add manual control system automatically; The manual operation switch group respectively organize the digital input end that switch is connected respectively to programmable controller PC 1; Automatically controlled automatic operation switch, travel switch group respectively organize the digital input end that switch is connected respectively to programmable controller PC; PC1, PC2 ..., PCn realizes data management communication between PC by the computer network wire joint; Relay K D1～KDi, KB1～KBj distribute by engineering and link to each other with the digital output end of each PC; N K1～K9, a n Kz2, a n Kz3 link to each other with the digital output end of n programmable controller PC respectively, described manual control output end and automatic guidance mouth are except that last clamper, lower gripper control channel are controlled respectively by relay K 2, K3 and relay K z2, Kz3 respectively, do to stretch cylinder in jack master cylinder control channel, driving arrangement, the cylinder that contracts, tight on the identical output control channel of utilization during clamper on the clamper, pine, tight lower gripper, Panasonic clamper action, above-mentioned n=1～9, i=1～99, j=1～99 are as follows.
Described autonomous cruise speed system is by automatic operation switch, the travel switch group, n the computer network that the programmable controller PC group constitutes, relay K D1～KDi, KB1～KBj, n K1, n Kz2, n Kz3, n the autonomous cruise speed system that K4～K9 forms, concrete method of attachment is: by switch S 01, S04, S05, S06, S08, S09, S10, S119, SS1 is connected to the digital input end of programmable controller PC 1, by travel switch SQ11～SQ1i, SQ21～SQ2i, SQ31～SQ3i, SQ41～SQ4i, SQA1～SQAi, SQB1～SQBi is connected to the digital input end of programmable controller PC, the n of a relay K1, n Kz2, n Kz3 links to each other with the digital output end of n PC respectively, relay n K4～K9 links to each other with the digital output end of n PC respectively, KB1～KBj distributes by engineering and links to each other K1 with the digital output end of each PC, KZ2, the open contact of KZ3 is connected to electromagnetic valve Y11～Y1i by KD1～KDi open contact, Y21～Y2i, Y31～Y3i; The open contact of K4～K9 by KB1～KBj open contact be connected to electromagnetic valve Y41～Y4j, Y51～Y5j ..., Y91～Y9j.
The manual control system that the computer network that described manual control system is made of manual operation switch group, a n programmable controller PC, relay K D1～KDi, KB1～KBj, n K1～K9 form; Described each manual operation switch connection mode is as follows: switch S 01, S03, SS1 are connected to the digital input end of programmable controller PC 1; Switch S A1～SA4, SB1～SB6, switch S K1～SK9, switch S P1～SP4 are connected respectively to the respective digital input end of programmable controller PC 1; SA is connected to the digital input end of programmable controller PC 1; PC1, PC2 ..., PCn realizes data management communication between PC by the computer network wire joint; Relay K D1～KDi distributes by engineering and links to each other with the digital output end of each PC; The n of relay K1～K3 links to each other with the digital output end of n PC respectively; Relay n K4～K9 links to each other with the digital output end of n PC respectively; KB1～KBj distributes by engineering and links to each other with the digital output end of each PC; The open contact of K1, K2, K3 is connected to electromagnetic valve Y11～Y1i, Y21～Y2i, Y31～Y3i by KD1～KDi open contact; The open contact of K4～K9 is connected to electromagnetic valve Y41～Y4j, Y51～Y5j, Y61～Y6j, Y71～Y7j, Y81～Y8j, Y91～Y9j by KB1～KBj open contact.
The present invention also has an adjusting control operation based on manual control; This its principle of work of adjustment operation is the control that combines manual control device and automatic program control, it selects to confirm and will be finished by SA by the jack number of selecting the work that drives in the manual control device with switch S A1～SA4, SB1～SB6 combination selection relay K D1～KDi; Select the pumping plant of the work that drives by switch S P1～SP4 combination selection relay K B1～KBj; After above two selections finished, the jack of selecting the adjustment operation to be selected by the control of automatically controlled control program to confirm moved automatically by promoting construction method.
Be characterised in that as the another of primary and second follow-up control hydraulic elevator system of the present invention: no matter the jack of working in the system, pumping plant, laser connect under which PC, by PC1 centralized operation control, PC1 to PC2 ..., the drive controlling of lifting means realizes that by the computer network wire joint data management communication between its PC control transmits under the PCn.
Another conversion as primary and second follow-up control hydraulic elevator system of the present invention, described control system also comprises laser test set assembly system, this laser test set assembly system is by laser rangefinder, Programmable Logic Controller, apportioning valve, electromagnetic valve, jack, steel strand constitute, the RS232 communication port of laser rangefinder is isolated the remote transmission device by photoelectricity and is connected with the RS232 communication port of Programmable Logic Controller, form measurement by laser ranging light beam and member and be connected, start between RS232 communication port and the laser by Programmable Logic Controller and carry out data exchange by the RS232 communications protocol; Distance measuring light beam transom and control system that laser rangefinder sends; By electromagnetic valve, apportioning valve connection control system and dynamical system; Connect jack and power system by hydraulic circuit; Connect jack and member by steel strand.
Another conversion as primary and second follow-up control hydraulic elevator system of the present invention, described elevator system also comprise by be installed in that on-the-spot 1～9 camera system, the supervisory controller that is positioned at centralized control room and television monitor constitute focusing on people by look, sound, photoelectric measurement data is the supervision closed loop system of one, camera lens and camera system are contained in the protective cover and are installed on the The Cloud Terrace, camera system is connected with image splitter by video line, image splitter is connected to television monitor, and the cradle head control device is connected to comprehensive rotary head and camera lens by control line.
Its lifting construction method of this primary and second follow-up control hydraulic elevator system may further comprise the steps:
A: construction preparation stage:
Make lifting scheme by promoting engine request, determine the suspension centre number, promote serve as a fill-in, pumping plant number, control PC number, shoot and monitor count;
B: equipment installation phase:
(1) assembly lifting means---contain lifting jack, hydraulic power unit, control system, supervisory system,
(2) build the lifting workplatform,
(3) jack, pumping plant, control housing lift the installation that fixes that puts in place,
(4) lead frame that jack stretches out steel strand is installed,
(5) supervisory system is installed as required;
C: steel strand blanking, hydraulic circuit connection and inspection, control path connect and check, communicate by letter and prepare;
D: unloaded debugging;
E: steel strand and pretension steel strand;
F: laser rangefinder is installed, is checked and checks by the laser installation requirement;
G: systems inspection and safety verification;
H: elemental height was measured before member promoted;
I: automatic or manual is adjusted steel strand stress;
J: hand adjustment suspension centre level;
K: little lifting: highly promote by 10～20cm;
L: hold and fall test and survey high difference;
M: member hoisting depth initial value is determined again;
N: systems inspection and safety are confirmed again;
O: automatic lift;
P: adjust in place, fixing;
Q: system's dismounting
R: finish
Advantage of the present invention is as follows:
One, a suitable high capacity is provided, large span promotes, what reliability was high can be manual separately, or separately automatically or be operating as the control setup of one based on the adjusting control of manual control, can satisfy the multiple needs of different user, manually control removes last clamper with the automatic guidance mouth, lower gripper control channel is respectively by relay K 2, K3 and relay K z2, outside Kz3 controls respectively, in jack master cylinder control channel, driving arrangement is stretched cylinder, cylinder contracts, the tight clamper of going up, clamper on the pine, tight lower gripper, the identical output control channel of utilization when Panasonic's clamper moves, manually the logic operation of control is also realized by computer program, and can be sent in another PC in company with the data exchange between the PC, thereby reach the central cluster purpose of (manually) control automatically, both saved the installation circuit, make again simple to operate, the reliability height.
Two, no matter the jack of working in the system, pumping plant, laser connect under which PC, control by the PC1 centralized operation, PC1 to PC2 ..., the drive controlling of lifting means realizes that by the computer network wire joint data management communication between its PC control transmits under the PCn, constitute a central cluster control relation, make that control is simple, reliable, also can realize high-capacity cluster control.
Three, select laser rangefinder to replace steel ruler and coder combination, distance measuring light beam transom and control system that laser rangefinder sends as the vertical survey element; By electromagnetic valve, apportioning valve connection control system and power system, connect jack and power system by hydraulic circuit, connect jack and member (referring to Fig. 6) by steel strand.Laser rangefinder sends distance measuring light beam and beats to record on member to the distance of member and these data and send PC to, the data that PC receives each laser measuring point compare, try to achieve the corresponding regulated quantity in each controlling point by pid algorithm, output control ratio valve has been controlled the flow that flows to jack, controlled the displacement of jack, jack passes to the lifting displacement that member has been controlled member to displacement by steel strand, forms the closed loop control system of displacement control.Can avoid the retractility of steel ruler, brought in the detection by wind-force swing equal error, guarantee accuracy of detection, the corresponding degree of balance that improves elevator system.
Four, by the people, camera system, supervisory controller, television monitor, the camp site constitutes focusing on people by looking, sound, the photoelectric measurement data are the supervisory system of one, by camera chain the camp site operating mode, machinery, power plant is sent to television monitor by supervisory controller, the master control people is visual to field working conditions from television monitoring, machinery, the power plant situation, simultaneously because light, electrometric discrepancy in elevation, each device status data also shows on the control operation screen, available interphone and field staff get in touch the purpose that has reached the overall understanding field condition, by, sound sends the comprehensive commander of operational order, control the overall situation, guarantee lifting process safety, normally carry out.
Five, use in the work progress of primary and second follow-up control hydraulic elevator system of the present invention, can eliminate the stress that steel strand bring member automatically, make total system automatically keep high degree of balance, guarantee construction quality.
Below, reach embodiment in conjunction with the accompanying drawings the present invention's the primary and second follow-up control hydraulic elevator system structure and the feature of construction method thereof are further described.
Four, description of drawings:
Fig. 1: primary and second follow-up control hydraulic elevator system structural representation of the present invention;
Fig. 2: manual control system structure and principle sketch (1);
Fig. 3: manual control system structure and principle sketch (2);
Fig. 4: autonomous cruise speed system structure and principle sketch (1);
Fig. 5: autonomous cruise speed system structure and principle sketch (2);
Fig. 6: laser test set assembly system sketch of the present invention;
Fig. 7: laser principle of work sketch;
Fig. 8: supervisory system combinatorial principle sketch of the present invention;
Fig. 9: monitoring device principle of work sketch.
Five: the specific embodiment:
Embodiment one:
A primary and second follow-up control hydraulic elevator system of manually controlling.As shown in Figure 1: this system comprises load bearing system, power system, control system.
The manual control system that the computer network that described control system is made of manual operation switch group, a n programmable controller PC, relay K D1～KDi, n K1～K9, KB1～KBj form; The manual operation switch group respectively organize the digital input end that switch is connected respectively to programmable controller PC; PC1, PC2 ..., PCn realizes data management communication between PC by the computer network wire joint; Relay K D1～KDi,, KB1～KBj distributes by engineering and links to each other with the digital output end of each PC, n K1～K9 respectively with n PC digital output end link to each other; Concrete method of attachment is: switch S 01, S03, SS1 are connected to the digital input end of programmable controller PC 1; Switch S A1～SA4, SB1～SB6, switch S K1～SK9, switch S P1～SP4 are connected respectively to the respective digital input end of programmable controller PC 1; SA is connected to the digital input end of programmable controller PC 1; PC1, PC2 ..., PCn realizes data management communication between PC by the computer network wire joint; Relay K D1～KDi distributes by engineering and links to each other with the digital output end of each PC; Relay n K1～K9 links to each other with the digital output end of n PC respectively; KB1～KBj distributes by engineering and links to each other with the digital output end of each PC; The open contact of K1, K2, K3 is connected to electromagnetic valve Y11～Y1i, Y21～Y2i, Y31～Y3i by KD1～KDi open contact; The open contact of K4～K9 is connected to electromagnetic valve Y41～Y4j, Y51～Y5j, Y61～Y6j, Y71～Y7j, Y81～Y8j, Y91～Y9j by KB1～KBj open contact.(referring to Fig. 2, Fig. 3).
Its working process is: by the jack number that switch S A1～SA4, SB1～SB6 combination selection relay K D1～KDi selects the work that drives, select to confirm and will be finished by SA; Drive the master cylinder of work, last clamper, lower gripper path by switch S K1, SK2, SK3 selective relay K1, K2, K3; Select the pumping plant of the work that drives by switch S P1～SP4 combination selection relay K B1～KBj, when all paths have been selected to finish; Drive Y41～Y4j by SK4 and realize that selected top stretches the cylinder action, drive Y51～Y5j by SK5 and realize selected synthlipsis cylinder action; Drive Y61～Y6j by SK6 and realize the selected clamper action that holds out against; Press SK7 and drive the upward clamper action of the selected top of Y71～Y7j realization pine; Drive Y81～Y8j by SK8 and realize the selected lower gripper action that holds out against; Press SK9 and drive the Y91～selected top of Y9j realization Panasonic clamper action.The jack of selected driving work number no matter under that PC, by operation control at PC1, PC1 to PC2 ..., the drive controlling of lifting means realizes that by the computer network wire joint data management communication between its PC control transmits under the PCn.
Switch S A1～SA4, SB1～SB6 combination selection relay K D1～KDi drives the jack of work, selects to confirm and will be finished by SA.Its combinatory logic at computing machine is a following table:
| The switch chosen position | Selected top number | ||||||||||
| ?SA1 | ?SA2 | ?SA3 | ?SA4 | ?SB1 | ?SB2 | ?SB3 | ?SB4 | ?SB5 | ?SB6 | ?SA | |
| ?0 | ?0 | ?0 | ?0 | ?× | ?× | ?× | ?× | ?× | ?× | ?× | Reset |
| ?0 | ?0 | ?0 | ?1 | ?1 | ?0 | ?0 | ?0 | ?0 | ?0 | ?1 | ?1# |
| ?0 | ?0 | ?0 | ?1 | ?0 | ?1 | ?0 | ?0 | ?0 | ?0 | ?1 | ?2# |
| ?0 | ?0 | ?0 | ?1 | ?0 | ?0 | ?1 | ?0 | ?0 | ?0 | ?1 | ?3# |
| ?0 | ?0 | ?0 | ?1 | ?0 | ?0 | ?0 | ?1 | ?0 | ?0 | ?1 | ?4# |
| ?0 | ?0 | ?0 | ?1 | ?0 | ?0 | ?0 | ?0 | ?1 | ?0 | ?1 | ?5# |
| ?0 | ?0 | ?0 | ?1 | ?0 | ?0 | ?0 | ?0 | ?0 | ?1 | ?1 | ?6# |
| ?0 | ?0 | ?1 | ?0 | ?1 | ?0 | ?0 | ?0 | ?0 | ?0 | ?1 | ?7# |
| ?0 | ?0 | ?1 | ?0 | ?0 | ?1 | ?0 | ?0 | ?0 | ?0 | ?1 | ?8# |
| ?… | ?… | ?… | ?… | ?… | ?… | ?… | ?… | ?… | ?… | ?1 | ?… |
| ?0 | ?0 | ?1 | ?1 | ?1 | ?0 | ?0 | ?0 | ?0 | ?0 | ?1 | ?13# |
| ?… | ?… | ?… | ?… | ?… | ?… | ?… | ?… | ?… | ?… | ?1 | ?… |
| ?0 | ?1 | ?1 | ?0 | ?1 | ?0 | ?0 | ?0 | ?0 | ?0 | ?1 | ?31# |
| ?… | ?… | ?… | ?… | ?… | ?… | ?… | ?… | ?… | ?… | ?1 | ?… |
| ?1 | ?1 | ?1 | ?0 | ?0 | ?0 | ?0 | ?1 | ?0 | ?0 | ?1 | ?82# |
| ?1 | ?1 | ?1 | ?0 | ?0 | ?0 | ?0 | ?0 | ?1 | ?0 | ?1 | ?83# |
| ?1 | ?1 | ?1 | ?0 | ?0 | ?0 | ?0 | ?0 | ?0 | ?1 | ?1 | ?84# |
| ?1 | ?1 | ?1 | ?1 | ?× | ?× | ?× | ?× | ?× | ?× | ?1 | All tops |
After jack of operation is selected, selecteed jack number will be stored by PC and show in the relevant position of screen, be reset up to it.When jack during number more than 84 (probability of appearance is almost nil), only can elect in the display screen drilling; When SA1～SA4 all puts 0, comprise that selecteed all jacks number will all be resetted; When SA1～SA4 all puts 1, SA puts 1, and all jacks are number with selected; A reset selecteed jack number only can be selected to reset on the guidance panel on the display screen; When stirring SA1～SA4, the selection of corresponding SB1 top number shows on screen.
Switch S P1～SP4 combination selection relay K B1～KBj drives the pumping plant of work, selects to confirm and will be finished by SA.Its combinatory logic at computing machine is a following table:
| The switch chosen position | The pump number of controlling | ||||
| SP1 | ?SP2 | ?SP3 | ?SP4 | ?SA | |
| 0 | ?0 | ?0 | ?0 | ?× | Reset |
| 0 | ?0 | ?0 | ?1 | ?1 | ?1# |
| 0 | ?0 | ?1 | ?0 | ?1 | ?2# |
| 0 | ?0 | ?1 | ?1 | ?1 | ?3# |
| … | ?… | ?… | ?… | ?1 | ?… |
| 1 | ?0 | ?0 | ?0 | ?1 | ?8# |
| … | ?… | ?… | ?… | ?1 | ?… |
| 1 | ?1 | ?1 | ?0 | ?1 | ?15# |
| 1 | ?1 | ?1 | ?1 | ?1 | All pumping plants |
After pumping plant of operation is selected, selecteed pump station number will be stored by PC and show in the relevant position of screen, be reset up to it.When pump station number during, only can elect in the display screen drilling more than 15; When SP1～SP4 all puts 0, comprise that selecteed all jacks number will all be resetted; When SP1～SP4 all puts 1, SA puts 1, and all pumping plants are with selected; The selecteed pump station number that resets only can be selected to reset on the guidance panel on the display screen; When stirring SP1～SP4, corresponding selection pump station number shows on screen.
No matter the jack of working in the system, pumping plant, laser connect under which PC, by PC1 centralized operation control, PC1 to PC2 ..., the drive controlling of lifting means realizes that by the computer network wire joint data management communication between its PC control transmits under the PCn.
Embodiment two:
A primary and second follow-up control hydraulic elevator system that comprises manual control, automatic guidance, adjusting control.The basic structure of this system is with embodiment one, also as shown in Figure 1: this system comprises load bearing system, power system, control system.
Institute's difference is: described control system also comprises the autonomous cruise speed system of being made up of automatic operation switch, travel switch group, a n computer network that the programmable controller PC group constitutes, relay K D1～KDi, KB1～KBj, a n K1, a n Kz2, a n Kz3, n K4～K9, and concrete method of attachment is: the digital input end that is connected to programmable controller PC 1 by switch S 01, S04, S05, S06, S08, S09, S10, S119, SS1; Be connected to the digital input end of programmable controller PC by travel switch SQ11～SQ1i, SQ21～SQ2i, SQ31～SQ3i, SQ41～SQ4i, SQA1～SQAi, SQB1～SQBi, the n of a relay K1, a n KZ2, a n KZ3 link to each other with the digital output end of n PC respectively: relay n K4～K9 links to each other with the digital output end of n PC respectively; KB1～KBj distributes by engineering and links to each other with the digital output end of each PC; The open contact of K1, Kz2, Kz3 is connected to electromagnetic valve Y11～Y1i, Y21～Y2i, Y31～Y3i by KD1～KDi open contact; The open contact of K4～K9 is connected to electromagnetic valve Y41～Y4j, Y51～Y5j, Y61～Y6j, Y71～Y7j, Y81～Y8j, Y91～Y9j by KB1～KBj open contact, (referring to Fig. 4, Fig. 5).
It stretches cylinder with the manual control system mouth at jack master cylinder control channel, driving arrangement, the cylinder that contracts, tight on the identical output control channel of utilization during clamper on the clamper, pine, tight lower gripper, Panasonic clamper action, institute's difference is: in the last clamper of mouth, the lower gripper control channel, manually K switch 2, K3 are used in control, automatic guidance uses K switch z2, Kz3, and its operating principle is also identical.
As another conversion of the embodiment of the invention, the present invention also has an adjusting control operation based on manual control; This adjustment operation is a kind of control that combines manual control device and automatic program control, it selects to confirm and will be finished by SA by the jack number of selecting the work that drives in the manual control device with switch S A1～SA4, SB1～SB6 combination selection relay K D1～KDi; Select the pumping plant of the work that drives by switch S P1～SP4 combination selection relay K B1～KBj; After above two selections finished, the jack of selecting the adjustment operation to be selected by the control of automatically controlled control program to confirm moved automatically by promoting construction method.
Embodiment three:
The primary and second follow-up control hydraulic elevator system of detection of band laser and self-equalizing group system.
The essential structure of this system can be with embodiment one, it also can be the form of embodiment two, with embodiment one, two differences are: this system comprises that also laser detects and self-equalizing group system (referring to Fig. 1), described laser detection and self-equalizing group system are by laser rangefinder, programmable controller PC, apportioning valve, electromagnetic valve, jack, steel strand constitute, the RS232 communication port of laser rangefinder is isolated the remote transmission device by photoelectricity and is connected with the RS232 communication port of Programmable Logic Controller, form measurement by laser ranging light beam and member and be connected, start between RS232 communication port and the laser by Programmable Logic Controller and carry out data exchange by the RS232 communications protocol; Distance measuring light beam transom and control system that laser rangefinder sends; The laser rangefinder number is m, and m=1～36 are by electromagnetic valve, apportioning valve connection control system and power system; Connect jack and power system by hydraulic circuit; Connect jack and member (referring to Fig. 6, Fig. 7) by steel strand.
Laser rangefinder sends distance measuring light beam and beats to record on member to the distance of member and these data and send PC to, the data that PC receives each laser measuring point compare, try to achieve the corresponding regulated quantity in each controlling point by pid algorithm, output control ratio valve has been controlled the flow that flows to jack, controlled the displacement of jack, jack passes to the lifting displacement that member has been controlled member to displacement by steel strand, form the closed loop control system of displacement control, promote the automatic guidance stepping program and press the realization of LSD jack lifting construction method, laser rangefinder is respectively by manually and automatically starting, when manually booting switch connection, laser rangefinder is by manually booting, turn-off when manually booting switch, laser rangefinder is by manual-lock.Laser rangefinder starts by the automatic stepping program startup of LSD jack lifting construction method automatically and closes.When balance manually boots switch connection, the laser ranging data is only as monitoring data, and apportioning valve is by artificial control system balance, and when the automatic start switch of balance, the laser ranging data is used to make comparisons, computing, and output control ratio valve is made self-equalizing.
Embodiment four:
The primary and second follow-up control hydraulic elevator system of band supervisory system.
The essential structure of this system can be with embodiment one, it also can be the form of embodiment two or embodiment three, itself and embodiment one, two, three differences are: at embodiment one, two, increase a supervisory system (referring to Fig. 1) on the basis of three structures again, described supervisory system is by being installed in 1～9 on-the-spot camera system, the supervisory controller and the television monitor that are positioned at centralized control room constitute focusing on people by looking, sound, the photoelectric measurement data are that the supervision closed loop system of one is (referring to Fig. 8, Fig. 9), be assembled in camera lens and pick up camera in the protective cover and be installed on the The Cloud Terrace, be connected with image splitter by video line by 1～9 camera system, image splitter is connected to television monitor, and the cradle head control device is connected to comprehensive rotary head and camera lens by control line.
Its working process is: by camera system the picture signal of taking the photograph is sent into image splitter, select to do on the television monitor multichannel picture by image splitter control and show.The comprehensive rotation of camera system by cradle head control device direction rocking bar control rotary head band, each suspension centre camp site of lifting that alignment lens will be monitored, the aperture on the adjustment control, focusing, zoom show the photographic map picture more clearly on the TV screen of centralized control room.
As a kind of conversion of the embodiment of the invention, programmable controller PC used in the various embodiments described above also can be changed to the computing machine that other have identical function, need only do corresponding the adjustment on interface.
Embodiment five:
The above-mentioned primary and second follow-up control hydraulic Lifting System of a kind of utilization construction method may further comprise the steps:
A: construction preparation stage:
Make lifting scheme by promoting engine request, determine the suspension centre number, promote serve as a fill-in, pumping plant number, control PC number, shoot and monitor count;
B: equipment installation phase:
(1) assembly lifting means---contain lifting jack, hydraulic power unit, control system, supervisory system,
(2) build the lifting workplatform,
(3) jack, pumping plant, control housing lift the installation that fixes that puts in place,
(4) lead frame that jack stretches out steel strand is installed,
(5) supervisory system is installed as required;
C: steel strand blanking, hydraulic circuit connection and inspection, control path connect and check, communicate by letter and prepare;
D: unloaded debugging;
E: steel strand and pretension steel strand;
F: the installation of laser rangefinder, inspection are also checked by the laser installation requirement;
G: systems inspection and safety verification;
H: elemental height was measured before member promoted;
I: automatic or manual is adjusted steel strand stress;
J: hand adjustment suspension centre level;
K: little lifting: highly promote by 10～20cm;
L: hold and fall test and survey high difference;
M: member hoisting depth initial value is determined again;
N: systems inspection and safety are confirmed again;
O: automatic guidance promotes;
P: adjust in place, fixing;
Q: system's dismounting
R: finish.
The process of above-mentioned automatic compensation steel strand stress is as follows:
1. operation monitoring controller direction rocker switch is turned the relevant position to the associated camera camera lens, inspection, safety verification;
2. check that there are enough maximum pretension lifts on all tops, contain the steel strand elongation;
3. put SS1=1, measure the back that finishes and turn-off, put SS1=0, and observed reading is recorded as zero point, press S08 and confirm;
4. import the high difference of pretension balance institute permissible stress;
5. import the needed lift range value of pretension balance, generally get: the high difference in lift range value＞2;
6. put S10=1, S09 is pushed self-equalizing;
7. press the two keys of S05, S06 simultaneously, system had both begun to start the automatic guidance program that eliminates stress;
8. its automatically controlled overall process is: PC receives that the automatic guidance actuation signal both carved operation, Kz3 at first, K8, controlling and driving Y31～Y3i is connected in KB1～KBj action, Y81～Y8j realizes that all tops do the action of tight lower gripper, when lower gripper clamps, all top lower gripper travel switch SQB1～SQBi all connect, K1, K5, controlling and driving Y11～Y1i is connected in KD1～KDi action, Y51～Y5j realizes all synthlipsis cylinder actions, when SQ11 is switched on, Y11 closes, when SQ1i is switched on, Y1i closes, after SQ11～SQ1i all is switched on, Kz3, K8 is cut off, Kz2, K6 is switched on and drives Y21～Y2i, Y61～Y6j realizes that all hold out against the clamper action, when last clamper clamps, all tops are gone up clamper travel switch SQA1～SQAi and are all connected, K4, controlling and driving Y11～Y1i is connected in KD1～KDi action, Y41～Y4j realizes that all tops stretch cylinder action, PC sends instruction startup laser rangefinder AA1～AAm and makes discrepancy in elevation data transmission simultaneously, handle, calculate the adjusting increment of each suspension centre simultaneously with pid algorithm, YB1～YBi is regulated in output.When actual measurement lift range value=setting lift range value, shut down and close AA1～AAm; Or when SQ41～SQ4i " or " connect after, K1, K4 are cut off, and close AA1～AAm simultaneously.Kz3, K8 action is simultaneously connected controlling and driving Y31～Y3i, Y81～Y8j and is realized that all tops do tight lower gripper action, when lower gripper clamps, all top lower gripper travel switch SQB1～SQBi all connect, and K1, K5, KD1～KDi action are connected controlling and driving Y11～Y1i, Y51～Y5j and realized all synthlipsis cylinder actions.When SQ31～SQ3i " or " connect after, Kz2, K7 are switched on and drive Y21～Y2i, Y71～Y7j and realize that all top pines go up the clamper action, clamper puts in place and cuts out Kz2, K7 on the pine; When SQ21 is switched on, Y11 closes,, when SQ2i is switched on, Y1i closes, after SQ21～SQ2i is switched on, Kz3, K8 are cut off, and Kz2, K6 are switched on driving Y21～Y2i, Y61～Y6j and realize that all hold out against the clamper action, begin second circulation lift, up to actual measurement lift range value=setting lift range value, shut down and close AA1～AAm; Realize promptly stopping with S119,, finish a process of eliminating steel strand stress automatically S10=0.
Described hand adjustment steel strand stress is to adopt laser rangefinder and manual control operation to carry out, and method of adjustment is as follows:
1. select steel strand load-carrying elongation maximum, minimum and part median point as the laser ranging point;
2. opening laser rangefinder sends distance measuring light beam and beats recording on the member and send PC to the distance of member and these data and show on screen;
3. manually all tops of control operation promote;
4. work as steel strand load-carrying elongation smallest point and rise to the balance quality value, stop to do all tops and promote;
5. manually control operation begins to operate lifting respectively by the observed reading of laser measuring point from steel strand load-carrying elongation maximum point, and the displacement that control each point member rises makes the steel strand elongation pass to the Stress Control of member in accuracy rating.
The application example that the control of a utilization manual control device promotes: as Fig. 2, shown in Figure 3, its manual procedure is as follows: M/C 1#, 2#, 3# push up work: 1-and tightly go up clamper; 2-stretches cylinder; The clamper operation of 3-Panasonic.
Its specific operation process is as follows:
1, operation monitoring controller direction rocker switch is turned 1#, 2#, 3# top to the associated camera camera lens, adjust aperture on the supervisory controller, focusing, and range switch make 1#, 2#, 3# push up on television monitor, showing of clear wash rice; Rocking bar is operated the relevant operating mode of associated camera camera lens inspection, notifies 1#, 2#, the on-the-spot preparation in 3# top to be about to the operation of carrying out;
2, dial S01 to manual;
3, put SA1=0, SA2=0, SA3=0, SA4=1; Inferior horn at screen shows 1#; Put SB1=1, SB2=1, SB3=1, SB4=0, SB5=0, SB6=0; Press SA; And 1#, 2#, 3# top is selected into control sequence, and relay K D1, KD2, KD3 are switched on; SB1, SB2, SB3 are dialled back original position;
4, put SP1=0, SP2=0, SP3=0, SP4=1; Inferior horn at screen shows 1#; Press SA; The 1# pumping plant is selected into control sequence, and relay K B1 is switched on;
5, put SK2=1, K2 is switched on, and SK6 is pushed in clamper electromagnetic valve Y21, Y22, Y23 action in the driving, and K6 is switched on driving Y61 and shows on the control operation screen up to 1#, 2#, the last clamp holder clamping status signal of 3#;
6, disconnect SK2=0, K2 is cut off, and finishes 1#, 2#, 3# holds out against clamper and moves;
7, put SK1=1, K1 is switched on, and drives jack and selects electromagnetic valve Y11, Y12, Y13 action;
8, when the need laser rangefinder, put SS1=1, laser rangefinder is by manually booting;
9, push SK4, K4 is switched on and drives Y41 and stretch cylinder up to 1#, 2#, 3# master cylinder and put in place and stop;
10, disconnect SS1, disconnect SK1, K1 is cut off, and finishes 1#, 2#, the cylinder action is stretched on the 3# top;
11, put SK3=1, K3 is switched on, clamper electromagnetic valve Y31, Y32, Y33 in the driving, push SK9, K9 is switched on driving Y91 and shows disappearance up to 1#, 2#, 3# lower gripper clamped condition signal on the control operation screen, sees that on the pick up camera television monitor 1#, 2#, 3# top lower gripper unclamp and put in place;
12, disconnect SK3, K3 is cut off, and finishes 1#, 2#, the clamper action of 3# top Panasonic;
13, put SA1=0, SA2=0, SA3=0, SA4=0, SP1=0, SP2=0, SP3=0, SP4=0 reset.Finished the M/C that requires.
The application example (referring to Fig. 4, Fig. 5) of an automatic guidance operation:
Its automatic operating process is as follows:
1, operation monitoring controller direction rocker switch is turned the relevant position to the associated camera camera lens, inspection, safety verification;
2, S01 pushes automatically, and S04 pushes lifting, and S09 pushes self-equalizing;
3, input height balance zero point, press S08 and confirm;
4, press the two keys of S05, S06 simultaneously, system promptly begins to start automatic guidance;
An automatically controlled overall process is:
Promote construction method according to the LSD jack, it is as follows that it promotes sequence of operation:
A → the tightly cast anchor → master cylinder that contracts to the 1# position → tightly go up anchor → stretch master cylinder to 4# position → A
The down maneuver order:
B → tightly cast anchor → contract master cylinder to 1# position → Song Shangmao → stretch master cylinder to the 3# position → tightly go up anchor → stretch master cylinder to the 4# position → Panasonic's anchor → master cylinder that contracts to 2# position → B.
Above-mentioned 1# position is meant jack master cylinder lower limit, and the 2# position is meant jack master cylinder lower limit load transfer position, and the 3# position is meant jack master cylinder upper limit load transfer position, and the 4# position is meant jack master cylinder upper limit.
PC receives that the automatic guidance actuation signal promotes by LSD jack construction method stepping automatic guidance at once, at first Kz3, K8, KB1～KBj action is connected controlling and driving Y31～Y3i, Y81～Y8j and is realized that all tops do tight lower gripper action, when lower gripper clamps, all top lower gripper travel switch SQB1～SQBi all connect, and K1, K5, KD1～KDi action are connected controlling and driving Y11～Y1i, Y51～Y5j and realized all synthlipsis cylinder actions;
When SQ11 is switched on, Y11 closes ..., when SQ1i is switched on, Y1i closes, and after SQ11～SQ1i was switched on, Kz3, K8 were cut off, and Kz2, K6 are switched on and drive Y21～Y2i, Y61～Y6j and realize that all hold out against clamper and move;
When last clamper clamps, all tops are gone up clamper travel switch SQA1～SQAi and are all connected, K4, KD1～KDi action is connected controlling and driving Y11～Y1i, Y41～Y4j and is realized that all tops stretch the cylinder action, PC sends instruction startup laser rangefinder AA1～AAm and does discrepancy in elevation data transmission, processing simultaneously, calculate the adjusting increment of each suspension centre simultaneously with pid algorithm, YB1～YBj is regulated in output;
After SQ21～SQ2i was switched on, Kz2, K6 were cut off, and Kz3, K9 are switched on driving Y31～Y3i, Y91～Y9j and realize all top Panasonic clampers actions, and Panasonic's clamper puts in place and cuts out Kz3, K9;
After SQ41～SQ4i was switched on, KD1～KDi, K1, K4 were cut off, and closed AA1～AAm simultaneously; Kz3, K8 move simultaneously and connect controlling and driving Y31～Y3i, Y81～Y8j and realize that all tops do tight lower gripper action, when lower gripper clamps, all top lower gripper travel switch SQB1～SQBi all connect, K1, K5, KD1～KDi move connection, and controlling and driving Y11～Y1i, Y51～Y5j realize all synthlipsis cylinders actions.
After SQ31～SQ3i was switched on, Kz2, K7 were switched on, and drove Y21～Y2i, Y71～Y7j and realized that all top pines go up the clamper action, and clamper puts in place and cuts out Kz2, K7 on the pine.
When SQ11 is switched on, KD1 disconnects, Y11 closes, when SQ1i is switched on, KDi disconnects, Y1i closes, after SQ11～SQ1i is switched on, Kz3, K8 are cut off, Kz2, K6 are switched on driving Y21～Y2i, Y61～Y6j and realize that all hold out against the clamper action, begin second circulation, up to weight is risen to the fixed position.
Press S07, system stops in SQ11～SQ1i position after circulation finishes; If press S119, system stops in any position.
5, S01, S04 are pushed meta, finish an automatic lift process.
Claims (12)
1, primary and second follow-up control hydraulic elevator system, comprise the load bearing system of forming by steel strand connection jack and member, many power system, the manual control system of forming with automatic control device of controlling that pumping plant is formed, by electromagnetic valve connection control system and power system; Connect jack and power system by hydraulic circuit; It is characterized in that: the automatic or manual that the computer network that described control system is made of manual operation switch group, automatic operation switch, travel switch group, a n programmable controller PC, relay K D1～KDi, KB1～KBj, n K1～K9, a n Kz2, a n Kz3 form or add manual control system automatically; The manual operation switch group respectively organize the digital input end that switch is connected respectively to programmable controller PC 1; Automatically controlled automatic operation switch, travel switch group respectively organize the digital input end that switch is connected respectively to programmable controller PC; PC1, PC2 ..., PCn realizes data management communication between PC by the computer network wire joint; Relay K D1～KDi, KB1～KBj distribute by engineering and link to each other with the digital output end of each PC; N K1～K9, a n Kz2, a n Kz3 link to each other with the digital output end of n programmable controller PC respectively, described manual control output end and automatic guidance mouth are except that last clamper, lower gripper control channel are controlled respectively by relay K 2, K3 and relay K z2, Kz3 respectively, do to stretch cylinder in jack master cylinder control channel, driving arrangement, the cylinder that contracts, tight on the identical output control channel of utilization during clamper on the clamper, pine, tight lower gripper, Panasonic clamper action, said n=1～9, i=1～99, j=1～99.
2, primary and second follow-up control hydraulic elevator system as claimed in claim 1 is characterized in that: the manual control system that the computer network that described control system is made of manual operation switch group, a n programmable controller PC, relay K D1～KDi, KB1～KBj, n K1～K9 form; Described each manual operation switch connection mode is as follows: switch S 01, S03, SS1 are connected to the digital input end of programmable controller PC 1; Switch S A1～SA4, SB1～SB6, switch S K1～SK9, switch S P1～SP4 are connected respectively to the respective digital input end of programmable controller PC 1; SA is connected to the digital input end of programmable controller PC 1; PC1, PC2 ..., PCn realizes data management communication between PC by the computer network wire joint; Relay K D1～KDi distributes by engineering and links to each other with the digital output end of each PC; Relay n K1～K3 links to each other with the digital output end of n PC respectively; Relay n K4～K9 links to each other with the digital output end of n PC respectively; KB1～KBj distributes by engineering and links to each other with the digital output end of PC; The open contact of K1, K2, K3 is connected to electromagnetic valve Y11～Y1i, Y21～Y2i, Y31～Y3i by KD1～KDi open contact; The open contact of K4～K9 is connected to electromagnetic valve Y41～Y4j, Y51～Y5j, Y61～Y6j, Y71～Y7j, Y81～Y8j, Y91～Y9j by KB1～KBj open contact.
3, primary and second follow-up control hydraulic elevator system as claimed in claim 1 or 2, it is characterized in that: described control system also comprises the autonomous cruise speed system that the computer network, relay K D1～KDi, KB1～KBj, a n K1, a n Kz2, a n Kz3, the n K4～K9 that are made of automatic operation switch, travel switch group, a n programmable controller PC form, and concrete method of attachment is: the digital input end that is connected to programmable controller PC 1 by switch S 01, S04, S05, S06, S08, S09, S10, S119, SS1; Be connected to the digital input end of programmable controller PC by travel switch SQ11～SQ1i, SQ21～SQ2i, SQ31～SQ3i, SQ41～SQ4i, SQA1～SQAi, SQB1～SQBi, the n of a relay K1, a n KZ2, a n KZ3 link to each other with the digital output end of n PC respectively; Relay n K4～K9 links to each other with the digital output end of n PC respectively; KB1～KBj distributes by engineering and links to each other with the digital output end of each PC; The open contact of K1, KZ2, KZ3 is connected to electromagnetic valve Y11～Y1i, Y21～Y2i, Y31～Y3i by KD1～KDi open contact; The open contact of K4～K9 is connected to electromagnetic valve Y41～Y4j, Y51～Y5j, Y61～Y6j, Y71～Y7j, Y81～Y8j, Y91～Y9j by KB1～KBj open contact.
4, primary and second follow-up control hydraulic elevator system as claimed in claim 3, it is characterized in that: no matter the jack of working in the system, pumping plant, laser connect under which PC, by PC1 centralized operation control, PC1 to PC2 ..., the drive controlling of lifting means realizes that by the computer network wire joint data management communication between its PC control transmits under the PCn.
5, primary and second follow-up control hydraulic elevator system as claimed in claim 1 or 2, it is characterized in that: no matter the jack of working in the system, pumping plant, laser connect under which PC, by PC1 centralized operation control, PC1 to PC2 ..., the drive controlling of lifting means realizes that by the computer network wire joint data management communication between its PC control transmits under the PCn.
6, as claim 1 or 4 described primary and second follow-up control hydraulic elevator system, it is characterized in that: described control system also comprises laser test set assembly system, this laser test set assembly system is by laser rangefinder, Programmable Logic Controller, apportioning valve, electromagnetic valve, jack, steel strand constitute, the RS232 communication port of laser rangefinder is isolated the remote transmission device by photoelectricity and is connected with the RS232 communication port of programmable controller PC 1～PCn by the engineering distribution, form measurement by laser ranging light beam and member and be connected, start between RS232 communication port and the laser by programmable controller PC and carry out data exchange by the RS232 communications protocol; Distance measuring light beam transom and control system that laser rangefinder sends; By electromagnetic valve, apportioning valve connection control system and power system; Connect jack and power system by hydraulic circuit; Connect jack and member by steel strand.
7, primary and second follow-up control hydraulic elevator system as claimed in claim 5, it is characterized in that: described control system also comprises laser test set assembly system, this laser test set assembly system is by laser rangefinder, Programmable Logic Controller, apportioning valve, electromagnetic valve, jack, steel strand constitute, the RS232 communication port of laser rangefinder is isolated the remote transmission device by photoelectricity and is connected with the RS232 communication port of Programmable Logic Controller, form measurement by laser ranging light beam and member and be connected, start between RS232 communication port and the laser by Programmable Logic Controller and carry out data exchange by the RS232 communications protocol; Distance measuring light beam transom and control system that laser rangefinder sends; By electromagnetic valve, apportioning valve connection control system and dynamical system; Connect jack and power system by hydraulic circuit; Connect jack and member by steel strand.
8, primary and second follow-up control hydraulic elevator system as claimed in claim 6, it is characterized in that: described elevator system also comprises by being installed in the supervisory system that on-the-spot 1～9 camera system, the supervisory controller that is positioned at centralized control room and television monitor constitute, camera lens and camera system are contained in the protective cover and are installed on the The Cloud Terrace, camera system is connected with image splitter by video line, image splitter is connected to television monitor, and the cradle head control device is connected to comprehensive rotary head and camera lens by control line.
9, as claim 1 or 7 described primary and second follow-up control hydraulic elevator system, it is characterized in that: described elevator system also comprises by being installed in the supervisory system that on-the-spot 1～9 camera system, the supervisory controller that is positioned at centralized control room and television monitor constitute, camera lens and camera system are contained in the protective cover and are installed on the The Cloud Terrace, camera system is connected with image splitter by video line, image splitter is connected to television monitor, and the cradle head control device is connected to comprehensive rotary head and camera lens by control line.
10, the above-mentioned primary and second follow-up control hydraulic Lifting System of a kind of utilization construction method, it is characterized in that: it comprises following processing step:
A: construction preparation stage:
Make lifting scheme by promoting engine request, determine the suspension centre number, promote serve as a fill-in, pumping plant number, control PC number, shoot and monitor count;
B: equipment installation phase:
(1) assembly lifting means---contain lifting jack, hydraulic power unit, control system, supervisory system,
(2) build the lifting workplatform,
(3) jack, pumping plant, control housing lift the installation that fixes that puts in place,
(4) lead frame that jack stretches out steel strand is installed,
(5) supervisory system is installed as required;
C: steel strand blanking, hydraulic circuit connection and inspection, control path connect and check, communicate by letter and prepare;
D: unloaded debugging;
E: steel strand and pretension steel strand;
F: laser rangefinder is installed, is checked and checks by the laser installation requirement;
G: systems inspection and safety verification;
H: elemental height was measured before member promoted;
I: automatic or manual is adjusted steel strand stress;
J: hand adjustment suspension centre level;
K: little lifting: highly promote by 10～20cm;
L: hold and fall test and survey high difference;
M: member hoisting depth initial value is determined again;
N: systems inspection and safety are confirmed again;
O: automatic guidance promotes;
P: adjust in place, fixing;
Q: system's dismounting
R: finish.
11, the above-mentioned primary and second follow-up control hydraulic elevator system of utilization as claimed in claim 10 hydraulic pressure lift construction method, it is characterized in that: the process of described automatic compensation steel strand stress is as follows:
1. operation monitoring controller direction rocker switch is turned the relevant position to the associated camera camera lens, inspection, safety verification;
2. check that there are enough maximum pretension lifts on all tops, contain the steel strand elongation;
3. put SS1=1, measure the back that finishes and turn-off, put SS1=0, and be value record zero point, press S08 and confirm;
4. import the high difference of pretension balance institute permissible stress;
5. import the needed lift range value of pretension balance, generally get: the high difference in lift range value＞2;
6. put S10=1, S09 is pushed self-equalizing;
7. press the two keys of S05, S06 simultaneously, system had both begun to start the automatic guidance program that eliminates stress.
12, the above-mentioned primary and second follow-up control hydraulic elevator system of utilization as claimed in claim 10 hydraulic pressure lift construction method is characterized in that: described hand adjustment steel strand stress is to adopt laser detecting apparatus and manual control operation to carry out, and method of adjustment is as follows:
1. select steel strand load-carrying elongation maximum, minimum and part median point as the laser ranging point;
2. opening laser rangefinder sends distance measuring light beam and beats recording on the member and send PC to the distance of member and these data and show on screen;
3. manually all tops of control operation promote;
4. work as steel strand load-carrying elongation smallest point and rise to the balance quality value, stop to do all tops and promote;
5. manually control operation begins to operate lifting respectively by the observed reading of laser measuring point from steel strand load-carrying elongation maximum point, and the displacement that control each point member rises makes the steel strand elongation pass to the Stress Control of member in accuracy rating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021246300A CN1331724C (en) | 2002-06-20 | 2002-06-20 | Primary and second follow-up control hydraulic lifting system and construction method for lifting thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021246300A CN1331724C (en) | 2002-06-20 | 2002-06-20 | Primary and second follow-up control hydraulic lifting system and construction method for lifting thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN1463909A true CN1463909A (en) | 2003-12-31 |
| CN1331724C CN1331724C (en) | 2007-08-15 |
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| CNB021246300A Expired - Fee Related CN1331724C (en) | 2002-06-20 | 2002-06-20 | Primary and second follow-up control hydraulic lifting system and construction method for lifting thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100349792C (en) * | 2002-06-20 | 2007-11-21 | 柳州欧维姆机械股份有限公司 | Central colony programmed logic control hydraulic lifting system and construction method for lifting thereof |
| CN102642790A (en) * | 2012-04-19 | 2012-08-22 | 赵皓 | Hydraulic jacking system controlled by computer |
| CN103517043A (en) * | 2013-10-22 | 2014-01-15 | 中铁隧道集团二处有限公司 | Safety control method for vertical shaft grab bucket hoisting system and control system of same |
| CN104229672A (en) * | 2014-09-16 | 2014-12-24 | 北京铁道工程机电技术研究所有限公司 | Automatic correction control system and automatic correction control method of mobile car lifting jack |
| CN104229671A (en) * | 2014-09-16 | 2014-12-24 | 北京铁道工程机电技术研究所有限公司 | Automatic deviation rectification control method and system for fixed car lifting jack |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4337959A (en) * | 1980-06-05 | 1982-07-06 | International Harvester Co. | Self-leveling and height control hydraulic system |
| US5422808A (en) * | 1993-04-20 | 1995-06-06 | Anthony T. Catanese, Jr. | Method and apparatus for fail-safe control of at least one electro-mechanical or electro-hydraulic component |
| JPH09316934A (en) * | 1996-05-24 | 1997-12-09 | Hitachi Constr Mach Co Ltd | Wireless control device of civil engineering and construction machine |
| CN2302235Y (en) * | 1997-08-13 | 1998-12-30 | 中外合资柳州欧维姆建筑机械有限公司 | Hand-operated controller for hydraulic lifting jack |
| CN2470599Y (en) * | 2001-01-17 | 2002-01-09 | 柳州市建筑机械总厂 | Hydraulic-lifting logically control apparatus |
| CN100349792C (en) * | 2002-06-20 | 2007-11-21 | 柳州欧维姆机械股份有限公司 | Central colony programmed logic control hydraulic lifting system and construction method for lifting thereof |
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2002
- 2002-06-20 CN CNB021246300A patent/CN1331724C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100349792C (en) * | 2002-06-20 | 2007-11-21 | 柳州欧维姆机械股份有限公司 | Central colony programmed logic control hydraulic lifting system and construction method for lifting thereof |
| CN102642790A (en) * | 2012-04-19 | 2012-08-22 | 赵皓 | Hydraulic jacking system controlled by computer |
| CN102642790B (en) * | 2012-04-19 | 2015-10-14 | 赵皓 | A kind of computer-controlled hydraulic jacking system |
| CN103517043A (en) * | 2013-10-22 | 2014-01-15 | 中铁隧道集团二处有限公司 | Safety control method for vertical shaft grab bucket hoisting system and control system of same |
| CN103517043B (en) * | 2013-10-22 | 2017-12-26 | 中铁隧道集团二处有限公司 | The control method and its control system of vertical shaft grab bucket lifting system safety |
| CN104229672A (en) * | 2014-09-16 | 2014-12-24 | 北京铁道工程机电技术研究所有限公司 | Automatic correction control system and automatic correction control method of mobile car lifting jack |
| CN104229671A (en) * | 2014-09-16 | 2014-12-24 | 北京铁道工程机电技术研究所有限公司 | Automatic deviation rectification control method and system for fixed car lifting jack |
| CN112809690A (en) * | 2017-11-30 | 2021-05-18 | 马鞍山钢铁股份有限公司 | Control method for clamping arm of profile steel sawing machine |
| CN112809690B (en) * | 2017-11-30 | 2022-12-02 | 马鞍山钢铁股份有限公司 | Control method for clamping arm of profile steel sawing machine |
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