CN1463910A - Central colony programmed logic control hydraulic lifting system and construction method for lifting thereof - Google Patents
Central colony programmed logic control hydraulic lifting system and construction method for lifting thereof Download PDFInfo
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- CN1463910A CN1463910A CN 02124632 CN02124632A CN1463910A CN 1463910 A CN1463910 A CN 1463910A CN 02124632 CN02124632 CN 02124632 CN 02124632 A CN02124632 A CN 02124632A CN 1463910 A CN1463910 A CN 1463910A
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Abstract
The concentrative controlling hydraulic raising system includes bearing system, power system and control system. The manual and automatic control are realized by means of program logics, and the oil path control is performed with switch amount controlling elements. The power system has 1-4 pump stations with rated flow rate to supply oil to main cylinders of the jacks. The control system also includes a manually regulated twisted steel cable stress combining system comprising laser instrument and manual controller, and the working jacks, pumping station and laser instrument are always controlled by PC1 concentratively. The system may have some monitoring system. Using the raising system in construction can control the displacement of the members and the stress the twisted steel cable applies to the member and has simple and convenient operation.
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 logic control hydraulic lift system is simple in structure, Installation and Debugging convenient, has good effect, but it is lower that it promotes degree of balance, do not have good method to eliminate steel strand and bring the stress of member, thereby can not be advantageously applied to elevator system, simultaneously, there is a common phenomenon in present system, because it is bigger to promote the suspension centre range distribution, the master control personnel are away from each suspension centre, can not in time understand each scene, be 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, to promote degree of balance lower for existing elevator system, and 2, existing elevator system do not have good method to eliminate the stress that steel strand bring member; 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.
Its technical scheme of dealing with problems is: 1, adopt laser rangefinder and manual control operation to adjust the stress of steel strand; 2, adopt the rated flow pumping plant to jack master cylinder fuel feeding to reach the purpose of high degree of balance; 3, realize that with shooting, television monitoring centralized control room understands each suspension centre operating mode by vision; 4, provide one to adopt that programming logic control and computer network wire joint combine, as to be fit to high capacity, large span lifting, simple to operate, suitable various situations control setup.
Its concrete technical scheme is:
A central cluster programmed logic control hydraulic lifting 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 dynamical system; Connect jack and power system by hydraulic circuit; It is characterized in that: the manual control of its control system and automatic guidance realize that by programming logic control the switching value control element is adopted in oil circuit control, adopts 1～4 tunnel rated flow pumping plant to jack master cylinder fuel feeding in the described power system.
The another feature of central cluster programmed logic control hydraulic lifting system of the present invention is: described control system also comprises the hand adjustment steel strand stress group system by laser detects and manual control operation device constitutes, this group system is by laser rangefinder, Programmable Logic Controller, 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, laser rangefinder number are m, m=1～36.
The another of central cluster programmed logic control hydraulic lifting system of the present invention is characterised 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 except that last clamper, lower gripper control channel are controlled respectively by relay K 2, K3 and relay K z2, Kz3 respectively, stretch cylinder 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.
The another feature of central cluster programming logic control elevator system of the present invention is: 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 feature of central cluster programmed logic control hydraulic lifting system of the present invention is: 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 pick up camera are assembled 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.
The another of central cluster programmed logic control hydraulic lifting system of the present invention is characterised in that: described position probing adopts path, zonule inductive proximity switch, and its adapter plate adopts joins driller's processing of planting, to reduce the lifting accumulated error.
The lifting construction method of the above-mentioned various central cluster programmed logic control hydraulic lifting systems of a kind of utilization, 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: hand adjustment 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: adjustment in place, fixing;
Q: system's dismounting;
R: finish.
In the lifting construction method of described central cluster programmed logic control hydraulic lifting system, described hand adjustment steel strand stress is to be undertaken by the hand adjustment steel strand stress group system that laser detects and manual control operation device constitutes, 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.
Advantage of the present invention is as follows:
One, adopt the hand adjustment steel strand stress group system that constitutes by laser detection and manual control operation device to adjust steel strand stress with manual mode, can not only accurately control the displacement that the each point member rises, make the steel strand elongation pass to the Stress Control of member in accuracy rating, and it is simple, convenient, the system equipment cost is significantly less than the automatic compensation steel strand stress group system with laser detection and computing machine, apportioning valve combination, has satisfied the construction needs of different user.
Two, adopt the rated flow pumping plant to jack master cylinder fuel feeding to reach the purpose of high degree of balance, its principle is: when same nominal flow during to jack master cylinder fuel feeding, it promptly is the error of rated flow at the displacement error that the jack master cylinder produces, and the error of rated flow is very little, many more with serving as a fill-in, the error that big rated flow is produced is more little, thereby makes single lift reach the purpose of high balance.
Three, 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, described manual control output end and automatic guidance mouth remove last clamper, 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 makes to stretch 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 control logic 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.
Four, 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.
Five, 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 system 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 monitor, 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.
Below, reach embodiment in conjunction with the accompanying drawings and be further described entreating the feature of colony programmed logic control hydraulic lifting system structure and construction method thereof among the present invention.
Four, description of drawings:
Fig. 1: centre colony programmed logic control hydraulic lifting system structural representation among the present invention;
Fig. 2: manual control principle sketch (1);
Fig. 3: manual control principle sketch (2);
Fig. 4: Automatic Control Theory sketch (1);
Fig. 5: Automatic Control Theory 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;
Figure 10: the travel switch adapter plate is joined the brill site plan.
Five: the specific embodiment:
Embodiment one:
A central cluster programmed logic control hydraulic lifting system of manually controlling.As shown in Figure 1: this system comprises the load bearing system of being made up of steel strand connection jack and member, many control system that power system, manual control and the automatic control device of forming by the pumping plant of jack quantity configuration rated flow formed, by electromagnetic valve connection control system and power system; Connect jack and power system by hydraulic circuit, adopt 1～4 tunnel rated flow pumping plant in the described power system jack master cylinder fuel feeding.
The manual control system that described control system is made up of manual operation switch group, a n computer network that the programmable controller PC group constitutes, relay K D1～KDi, n K1～K9, KB1～KBj; 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 distribute by engineering and link to each other with the digital output end of each PC, and the n of relay K1～K9 links to each other with the digital output end of n PC respectively; Concrete method of attachment is: the digital input end that is connected to programmable controller PC 1 by switch S 01, S03, SS1; 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, and 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 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; By switch S K1, SK2, SK3 selective relay K1, K2, K3 drives the master cylinder of work, last clamper, the lower gripper path, 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 is no matter under that PC, by the operation control at PC1, PC1 is to PC2, the drive controlling of lifting means realizes the control transmission by the computer network wire joint data management communication between its PC 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 or state | ||||||||||
| 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 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 | Selected pump number | ||||
| 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 data management communication of the computer network wire joint between its PC control transmits under the PCn.
As a kind of conversion of the embodiment of the invention, also can not adopt above-mentioned manual control device, and adopt other manual or autonomous cruise speed systems of realizing by programming logic control, the switching value control element is adopted in oil circuit control.
Embodiment two:
The central cluster programmed logic control hydraulic lifting system of band " hand adjustment steel strand stress group system ", the essential structure of described control system is with embodiment one, institute's difference is: this system also comprises " by " the hand adjustment steel strand stress group system " that laser detects and manual control operation device constitutes; this group system is by laser rangefinder; Programmable Logic Controller; 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 computing machine, 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.
Embodiment three:
A central cluster programmed logic control hydraulic lifting system that comprises manual control, automatic guidance, adjusting control, the basic structure of this system is with embodiment one or embodiment two, 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 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, (referring to Fig. 4, Fig. 5).
It does to stretch cylinder with the manual control system mouth 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, institute's difference is: in the last clamper of mouth, the lower gripper control channel, manually K2, K3 are used in control, automatic guidance uses Kz2, 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 four:
The central cluster programmed logic control hydraulic lifting 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: this system also includes a supervisory system, described supervisory system is by being installed in 1～9 on-the-spot camera system, be positioned at supervisory system that the supervisory controller of centralized control room and television monitor constitute (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, position probing in the various embodiments described above adopts path, zonule inductive proximity switch, and its adapter plate adopts joins driller's processing of planting, to reduce lifting accumulated error (referring to Figure 10).
Embodiment five:
, the above-mentioned central cluster programmed logic control hydraulic lifting system of a kind of utilization the lifting construction method.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: hand adjustment 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: adjustment in place, fixing;
Q: system's dismounting;
R: finish
Described hand adjustment steel strand stress is to adopt " the hand adjustment steel strand stress group system " that laser detects and manual control operation device constitutes 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.
Embodiment six:
Manually control the application example that promotes for one: 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; The relevant operating mode of rocking bar operation associated camera Shot Detection.Notify 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～Y6j 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 AA1～AAm is by manually booting;
9, push SK4, K4 is switched on and drives Y41～Y4i 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 Y31 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.
Seven: one automatic guidances of embodiment promote the application example (referring to Fig. 4, Fig. 5) of 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;
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.
An automatically controlled overall process is:
PC receives that the automatic guidance actuation signal promotes construction method stepping automatic guidance by the LSD jack at once and promotes, 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, and K4, KD1～KDi action is connected controlling and driving Y11～Y1i, Y41～Y4j and realized that all tops stretch the cylinder action;
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;
When SQ41 is switched on, Y11 closes, SQ4i is switched on, Y1i closes, after SQ41～SQ4i was switched on, KD1～KDi, K1, K4 were cut off, and 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, and 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 (10)
1, central cluster programmed logic control hydraulic lifting 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 manual control of its control system and automatic guidance realize that by programming logic control the switching value control element is adopted in oil circuit control, adopts 1～4 tunnel rated flow pumping plant to jack master cylinder fuel feeding in the described power system.
2, central cluster programmed logic control hydraulic lifting system as claimed in claim 1, it is characterized in that: described control system also comprises the hand adjustment steel strand stress group system by laser detects and manual control operation device constitutes, this group system is by laser rangefinder, Programmable Logic Controller, 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 computing machine, 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.
3, central cluster programmed logic control hydraulic lifting system as claimed in claim 1 or 2 is characterized in 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, the automatic or manual of forming 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, the digital output end with n programmable controller PC links to each other 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, stretch cylinder 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, said n=1～9, i=1～99, j=1～99.
4, central cluster programming logic control elevator system as claimed in claim 3, it is characterized in that: the jack of working in the system, pumping plant, laser are no matter under that 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, as claim 1 or 2 or 4 described central cluster programmed logic control hydraulic lifting systems, 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 pick up camera are assembled 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.
6, central cluster programmed logic control hydraulic lifting system as claimed in claim 3, 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 pick up camera are assembled 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.
7, as claim 1 or 2 or 4 or 6 described central cluster programmed logic control hydraulic lifting systems, it is characterized in that: the position probing of described control system adopts path, zonule inductive proximity switch.
8, central cluster programmed logic control hydraulic lifting system as claimed in claim 5 is characterized in that: the position probing of described control system adopts path, zonule inductive proximity switch.
9, the lifting construction method of the above-mentioned central cluster programmed logic control hydraulic lifting system of a kind of utilization, 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: hand adjustment 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
10, as the lifting construction method of utilization central cluster programmed logic control hydraulic lifting system as described in the claim 9, it is characterized in that: described hand adjustment steel strand stress is to adopt laser detection and manual control operation to adjust steel strand stress group system 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 |
|---|---|---|---|
| CNB021246327A CN100349792C (en) | 2002-06-20 | 2002-06-20 | Central colony programmed logic control hydraulic lifting system and construction method for lifting thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021246327A CN100349792C (en) | 2002-06-20 | 2002-06-20 | Central colony programmed logic control hydraulic lifting system and construction method for lifting thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN1463910A true CN1463910A (en) | 2003-12-31 |
| CN100349792C CN100349792C (en) | 2007-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB021246327A Expired - Fee Related CN100349792C (en) | 2002-06-20 | 2002-06-20 | Central colony programmed logic control hydraulic lifting system and construction method for lifting thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331724C (en) * | 2002-06-20 | 2007-08-15 | 柳州欧维姆机械股份有限公司 | Primary and second follow-up 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 |
| CN102947213A (en) * | 2010-04-13 | 2013-02-27 | 优罗佳玛股份公司 | Device and method of monitoring apparatuses for lifting vehicles |
| CN108170091A (en) * | 2018-03-19 | 2018-06-15 | 浙江国自机器人技术有限公司 | A kind of PLC controller, PLC controller group system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN1331724C (en) * | 2002-06-20 | 2007-08-15 | 柳州欧维姆机械股份有限公司 | Primary and second follow-up control hydraulic lifting system and construction method for lifting thereof |
-
2002
- 2002-06-20 CN CNB021246327A patent/CN100349792C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331724C (en) * | 2002-06-20 | 2007-08-15 | 柳州欧维姆机械股份有限公司 | Primary and second follow-up control hydraulic lifting system and construction method for lifting thereof |
| CN102947213A (en) * | 2010-04-13 | 2013-02-27 | 优罗佳玛股份公司 | Device and method of monitoring apparatuses for lifting vehicles |
| 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 |
| CN108170091A (en) * | 2018-03-19 | 2018-06-15 | 浙江国自机器人技术有限公司 | A kind of PLC controller, PLC controller group system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100349792C (en) | 2007-11-21 |
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