CN107244609B - Automatic leveling hanging device, system and method - Google Patents
Automatic leveling hanging device, system and method Download PDFInfo
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- CN107244609B CN107244609B CN201710609429.4A CN201710609429A CN107244609B CN 107244609 B CN107244609 B CN 107244609B CN 201710609429 A CN201710609429 A CN 201710609429A CN 107244609 B CN107244609 B CN 107244609B
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- hydraulic cylinder
- pulling force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/10—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for preventing cable slack
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/20—Control systems or devices for non-electric drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/02—Servomotor systems with programme control derived from a store or timing device; Control devices therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention belongs to multipoint hoisting technical fields, and in particular to a kind of automatic leveling hanging device, system and method.When in order to solve to adjust using the tension balanced before conventional leveling hanging device progress multipoint hoisting, the problem of there is time-consuming and laborious, low efficiencys, the invention discloses a kind of completely new automatic leveling hanging devices, including microprocessor, cylinder device and foil gauge；Microprocessor is connect with cylinder device, for controlling cylinder device work；Hydraulic cylinder is equipped in cylinder device, hydraulic cylinder is located between rigging and items lifting lug to be lifted；Foil gauge is located on hydraulic cylinder, for detecting the pulling force size of hydraulic cylinder receiving, and will test signal and is sent in microprocessor.Tension balanced adjustment before being carried out multipoint hoisting using automatic leveling hanging device of the invention, is not only saved manpower, but also regulated efficiency can be improved, guarantees the precision of adjustment.
Description
Technical field
The invention belongs to multipoint hoisting technical fields, and in particular to a kind of automatic leveling hanging device, system and method.
Background technique
During leveling hanging device is multipoint hoisting, a kind of adjusting to adjust tension balanced between each rigging is filled
It sets.Leveling hanging device is located between rigging and items lifting lug to be lifted, by adjusting the length of each leveling hanging device
Size realizes the adjustment to distance between rigging and items lifting lug to be lifted, to complete to the tension balanced before multipoint hoisting
Adjustment.
As shown in connection with fig. 1, conventional leveling hanging device 1 includes two U-shaped lifting lugs 11, the body of rod 12, regulation handles 13, spiral shell
Line connector sleeve 14 and foil gauge 15.Wherein, the both ends of the body of rod 12 be helicitic texture, and be connected through a screw thread set 14 with it is U-shaped
Lifting lug 11 is fixedly connected, for the connection between rigging and items lifting lug to be lifted.Regulation handle 13 is located at the centre of the body of rod 12
It position and vertical with the body of rod 12 is fixedly connected.At this point, by rotate regulation handle 13 can drive the body of rod 12 be threadedly coupled
Relatively rotate between set 14, to adjust the distance between two threaded connecting sleeves 14, that is, connect two U-shaped lifting lugs 11 it
Between distance, realize to the length adjustment of tension 1.Meanwhile foil gauge 15 is located at the outer surface of the body of rod 12, for examining
Measuring staff body 12 bears generated stress variation when pulling force, and then assists the length adjustment of leveling hanging device.
However, when carrying out the Levelling operation before multipoint hoisting using above-mentioned conventional leveling hanging device, due to the tune
The length adjustment of flat hanging device is realized by rotation regulation handle 13.Therefore, it is adjusted to leveling hanging device 1
When, it is necessary to items to be lifted are replaced in ground, makes to level hanging device 1 in the nature not stressed, could pass through
Manual operation regulation handle 13 completes the length adjustment of leveling hanging device 1.In this way, not only needing to take considerable time, carry out
The lifting of items to be lifted, and need multiple workers that the leveling hanging device of each hoisting point position is adjusted simultaneously,
It can guarantee that the leveling hanging device 1 on each suspension centre can be consistent.Further, since each use of wirerope and receiving
Can all there be the difference of stroke when pulling force.Therefore, it after each length adjustment for completing leveling hanging device 1, requires again
Secondary sling items to be lifted is checked, and is increased the whole operation time again in this way, is reduced operating efficiency.
Summary of the invention
When in order to solve to adjust using the tension balanced before conventional leveling hanging device progress multipoint hoisting, there is take
When laborious, low efficiency the problem of, the invention proposes a kind of completely new automatic leveling hanging devices.Automatic leveling lifting is set
It is standby, including microprocessor, cylinder device and foil gauge；Wherein, the microprocessor is connect with the cylinder device, is used
It works in controlling the cylinder device；Hydraulic cylinder is equipped in the cylinder device, the hydraulic cylinder is located at rigging and wait hang
It fills between items lifting lug；The foil gauge is located on the hydraulic cylinder, the pulling force size born for detecting the hydraulic cylinder, and
And it will test signal and be sent in the microprocessor.
Preferably, the cylinder device further includes motor, hydraulic pump, fuel tank and reversal valve；Wherein, the motor
Output shaft and the hydraulic pump input axis connection, the oil inlet of the hydraulic pump connect with the fuel tank, the hydraulic pump
Oil outlet connect with the oil inlet of the reversal valve, the oil outlet of the reversal valve is connect with the fuel tank, the reversal valve
Two actuator ports connect respectively with two working chambers of the hydraulic cylinder；The motor is connect with the microprocessor, and
The start and stop of the motor are controlled by the microprocessor.
It is further preferred that the reversal valve use in position for the three-position four-way electromagnetic directional valve of O-shaped function, and with institute
Microprocessor connection is stated, its commutation action is controlled by the microprocessor.
It is further preferred that the microprocessor, the foil gauge, the motor, the hydraulic pump, the reversal valve with
And the fuel tank is integrated in a control cabinet, and is fixedly connected with the cylinder part of the hydraulic cylinder.
A kind of automatic leveling Lift-on/Lift-off System, including computer terminal, wireless signal transceiver and the lifting of above-mentioned automatic leveling
Equipment；Wherein, it is connected between the computer terminal and the microprocessor by the wireless signal transceiver.
Preferably, an automatic leveling hanging device and one are equipped at each lifting lug position of items to be lifted
The wireless signal transceiver, and each described automatic leveling hanging device is received by an independent wireless signal
Hair device is connect with the computer terminal.
A kind of automatic leveling hanging method, comprising the following specific steps
Step S1, foil gauge carry out stress mornitoring to hydraulic cylinder and generate measured stress information；
Step S2, microprocessor obtain measured stress information from foil gauge, and after stress information is converted to pulling force information,
Computer terminal is sent to by wireless signal transceiver；
Step S3, actual measurement pulling force information and theoretical pulling force information is compared in computer terminal, and the result of comparison is believed
Breath send back to microprocessor by wireless signal transceiver；
Step S4, microprocessor controls cylinder device according to the back information of computer terminal and acts, until hydraulic cylinder is held
Until being matched by pulling force with theoretical pulling force.
Preferably, in the step S3, comparison result of the computer terminal to actual measurement pulling force information and theoretical pulling force information
Qualified information or pulling force difference information are adjusted for pulling force.
It is further preferred that when pulling force is adjusted qualified information and is sent to microprocessor by computer terminal, microprocessor control
Reversal valve processed locks hydraulic cylinder.
It is further preferred that when pulling force difference information is sent to microprocessor by computer terminal, the detailed process of step S4
Are as follows:
Step S41, microprocessor control cylinder device according to pulling force difference information and are acted for the first time；
Step S42, cylinder device are completed after acting for the first time, and foil gauge carries out stress mornitoring again to hydraulic cylinder and generates
New measured stress information；
Step S43, microprocessor obtain new measured stress information from foil gauge, and again control cylinder device into
Action is made；
Step S44 repeats step S42 and step S43, until after the actual measurement pulling force of hydraulic cylinder is matched with theoretical pulling force, it is micro-
Processor control reversal valve locks hydraulic cylinder.
Tension balanced adjustment before being carried out multipoint hoisting using automatic leveling hanging device of the invention, is had beneficial below
Effect:
1, in automatic leveling hanging device of the invention, it is equipped with microprocessor, cylinder device and foil gauge,
In, microprocessor in cylinder device motor and reversal valve connect, foil gauge is connect with hydraulic cylinder.At this point, by hydraulic cylinder
As the main part of the automatic leveling hanging device, and the stress variation generated when foil gauge bears pulling force to hydraulic cylinder
Under the booster action detected, hydraulic cylinder is controlled by microprocessor and is acted, to complete the adjustment to tension balanced.
In this way, carrying out pulling force adjustment by cylinder device, not only eliminates and need manually to rotate regulation handle progress in the prior art
Adjustment operation, save manpower, and since cylinder device can export bigger more stably active force, it is entire to adjust
Haveing suffered journey may be implemented on-line tuning, i.e., during entire adjustment, items to be lifted can be remained in the air, to keep away
The complex operations and resulting error for needing to lift lifting items repeatedly in the prior art are exempted from, have mentioned significantly
The high precision of operating efficiency and tension balanced adjustment.
2, inside automatic leveling hanging device of the invention, pass through microprocessor, cylinder device and foil gauge group
At the looped system of an enclosed.Microprocessor controls hydraulic cylinder movement, while the movement of strain measurement hydraulic cylinder
Change and will test result be sent to microprocessor carry out the result of the action comparison, and then support microprocessor to hydraulic cylinder carry out after
Continuous action control, such circulation action, until the pulling force that hydraulic cylinder is born meets theoretical pulling force.In this way, by adjusting automatically
Looped system inside flat hanging device can more quickly finish the tension balanced of automatic leveling hanging device itself
The automation of adjustment process is realized in adjustment, improves regulated efficiency.
3, in addition, the invention also provides automatic leveling Lift-on/Lift-off System, which passes through one computer terminal of setting, and
It is logical that independent information transmission is established by the automatic leveling hanging device of multiple wireless signal transceivers and each lifting point position
Road carries out information transmission.In this way, computer terminal can be with each automatic leveling hanging device group by wireless signal transceiver
At an autonomous control system, the independent transmission and control of signal are carried out to each automatic leveling hanging device, is guaranteed to every
The accuracy and rapidity of precision and data transmission that one automatic leveling hanging device controls.Meanwhile computer terminal is again
The adjustment result of all automatic leveling hanging devices can be carried out summarizing control, realize the control to entire adjustment process schedule
System.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of conventional leveling hanging device；
Fig. 2 is the structural schematic diagram of automatic leveling hanging device of the present invention；
Fig. 3 is the system schematic of automatic leveling hanging device of the present invention；
Fig. 4 is the structural schematic diagram of automatic leveling Lift-on/Lift-off System of the present invention；
Fig. 5 is the flow diagram of automatic leveling hanging method of the present invention；
Fig. 6 is flow diagram when step S4 is to hydraulic cylinder progress pulling force adjustment in Fig. 5.
Specific embodiment
It describes in detail with reference to the accompanying drawing to the technical solution in the present invention.
In conjunction with shown in Fig. 2 and Fig. 3, automatic leveling hanging device 2 of the invention, including microprocessor 21, cylinder device
22 and foil gauge 23.Cylinder device 22 is an open type hydraulic system, including motor 221, hydraulic pump 222, hydraulic cylinder
223, reversal valve 224 and fuel tank 225.The input axis connection of the output shaft of motor 221 and hydraulic pump 222, hydraulic pump 222 into
Hydraulic fluid port is connect with fuel tank 225, and the oil outlet of hydraulic pump 222 is connect with the oil inlet of reversal valve 224, the oil outlet of reversal valve 224
It is connect with fuel tank 225, two actuator ports of reversal valve 224 are connect with two working chambers of hydraulic cylinder 223 respectively.Motor 221
Control terminal connect with microprocessor 21.In this way, can control the start stop operation of motor 221 by microprocessor 21, thus real
Now the movement of cylinder device 22 is controlled.
In the present invention, main part of the hydraulic cylinder 223 as automatic leveling hanging device 2 is respectively equipped at its both ends
One connection lifting lug, the lifting lug for butt rigging and items to be lifted.In this way, by the extension elongation for adjusting hydraulic cylinder 223,
It can complete to adjust the distance between rigging and items lifting lug to be lifted, and then realize the adjustment to pulling force size.Meanwhile
Foil gauge 23 is located on the outer surface of hydraulic cylinder 223, and the stress variation generated when bearing pulling force to hydraulic cylinder 223 measures,
And it will test signal to be sent in microprocessor 21, support microprocessor 21 controls cylinder device 22.
Preferably, in the present invention, reversal valve 224 selects solenoid directional control valve, and by the solenoid directional control valve and micro process
Device 21 connects.In this way, can be carried out automatically controlling to the commutation action of reversal valve 224 by microprocessor 21, to control liquid
The extending action of cylinder pressure 223 and recycling movement.
It is further preferred that reversal valve 224 selects three-position four-way electromagnetic directional valve, and middle position uses O-shaped function.This
Sample, after the adjustment for completing pulling force size by hydraulic cylinder 223, i.e. completion the distance between rigging and items lifting lug to be lifted is adjusted
After whole, reversal valve 224 is switched by microprocessor 21 and is maintained at Median Function, so that it may so that hydraulic cylinder 223 into and out of oil
Mouth is in closed state simultaneously, to complete the locking to 223 extension elongation of hydraulic cylinder.
In addition, in the present embodiment, by microprocessor 21 and cylinder device 22 motor 221, hydraulic pump 222,
Reversal valve 224 and fuel tank 225 are integrated into a small-sized control cabinet, and by the cylinder body of the control cabinet and hydraulic cylinder 223
Divide and is fixedly connected.In this way, the integrated level of automatic leveling hanging device 2 of the present invention can be greatly improved, in order in use process
Installation and removal to automatic leveling hanging device 2.
In conjunction with shown in Fig. 2, Fig. 3 and Fig. 4, automatic leveling Lift-on/Lift-off System of the invention, including computer terminal 3, automatic leveling
Hanging device 2 and wireless signal transceiver 4.Wherein, in the present invention, it is hung oneself the quantity of ear according to scene items to be lifted,
Automatic leveling hanging device 2 corresponding with its quantity, and each automatic tune are set in the automatic leveling Lift-on/Lift-off System
Flat hanging device 2 carries out letter with the wireless signal transceiver 4 at computer terminal 3 by an independent wireless signal transceiver 4
The transmission of number, to realize data transmission and the control between automatic leveling hanging device 2 and computer terminal 3.In this way, not
Only pulling force adjustment can be carried out to the rigging for being located at each lifting point position, guarantee the pulling force size phase that each rigging is born
Deng and meet lifting requirements, and then guarantee the stationarity and safety of hoisting process, and during the adjustment, computer terminal 3
Signal transmission is carried out by an independent wireless signal transceiver 4 between each automatic leveling hanging device 2, thus
Guarantee the rapidity and independence of data transmission, improves the efficiency and precision of tension balanced adjustment.
In addition, in the present invention, it is previously provided in the inside of computer terminal 3 wait lift in items rigging at each lifting point
The theoretical value of thrust size born.The theory value of thrust obtains either carrying out simulation by three-dimensional artificial software and calculating,
It is also possible to be obtained according to Calculation and Analysis of Force.In this way, when the practical value of thrust that microprocessor 21 bears hydraulic cylinder 223 transmits
After into computer terminal 3, computer terminal 3 can carry out quick comparison to it, improve number during entire tension balanced adjustment
According to treatment effeciency.
In conjunction with shown in Fig. 5 and Fig. 6, using leveling Lift-on/Lift-off System of the invention, to lifting point each before multipoint hoisting position
The step of pulling force at place is adjusted are as follows:
Step S1, foil gauge carry out stress mornitoring to hydraulic cylinder and generate measured stress information.
Firstly, by the installation of automatic leveling hanging device 2 between rigging and the lifting lug of items to be lifted, and by respective
Wireless signal transceiver 4 is attached with computer terminal 3, establishes independent data transmission channel, guarantees that automatic leveling lifting is set
The stability connected between standby 2 and computer terminal 3.Then, items to be lifted are carried out by examination lifting by loop wheel machine, and examination is lifted
Weight control within one times of maximum lifting weight.For example, the weight of examination lifting can be the weight of K+0.5G, wherein K
For loop wheel machine rated load weight under the non-weight bearing situations of items to be lifted, G is the supporting power of items to be lifted.It then, will be to lifting object
Item, which is hung, to be risen to certain altitude and stops, and passes through foil gauge 23 at this time to the hydraulic cylinder 223 in automatic leveling hanging device 2 due to holding
The stress variation generated by pulling force is detected, and be will test result and be transmitted to microprocessor 21.
Step S2, microprocessor obtain measured stress information from foil gauge and are sent to computer by wireless signal transceiver
Terminal.
It is connected between microprocessor 21 and foil gauge 23 by data line, microprocessor 21 is directly acquired by data line answers
Become the measured stress data that detect of piece 23, and after the measured stress data are converted to pulling force data, passes through corresponding independence
The actual measurement pulling force data is transmitted to computer terminal 3 by wireless signal transceiver 4.
Wherein, it for the transformational relation in microprocessor 21 between pulling force data and stress data, can use every time
Before automatic leveling hanging device 2, individual pulling force data is carried out to each automatic leveling hanging device 2 by small-sized crane
It is proofreaded with stress data relationship.Meanwhile the transformational relation between pulling force data and stress data being stored in microprocessor 21,
In order to which the conversion between stress data and pulling force data can be rapidly completed in microprocessor 21, microprocessor 21 is improved to data
Processing capacity.
Step S3, actual measurement pulling force information and theoretical pulling force information is compared in computer terminal, and the result of comparison is believed
Breath send back to microprocessor by wireless signal transceiver.
Computer terminal 3 obtains the actual measurement pulling force number of hydraulic cylinder 223 at corresponding lifting point position by wireless signal transceiver 4
According to rear, which is compared with theoretical pulling force data, and generate corresponding comparing result information.If actual measurement
Value of thrust meets lifting requirements, such as actual measurement value of thrust within ± the 10% of theoretical value of thrust, then computer terminal 3 is to positioned at this
The microprocessor 21 of lifting point position sends back to pulling force adjustment qualifying signal；If actual measurement value of thrust does not meet lifting requirements, such as
Value of thrust is surveyed other than ± the 10% of theoretical value of thrust, then the pulling force difference of the two is sent back to the lifting point by computer terminal 3
At the microprocessor 21 of position.
Step S4, microprocessor controls cylinder device according to the back information of computer terminal and acts, until hydraulic cylinder is held
Until being matched by pulling force with theoretical pulling force.
When microprocessor 21 receive that computer terminal 3 sends back to be pulling force adjustment qualifying signal when, microprocessor 21 is direct
Action control is carried out to reversal valve 224 in cylinder device 22, reversal valve 224 is made to be in Median Function, hydraulic cylinder 223 is carried out
Locking, the i.e. extension elongation of fixer cylinder pressure 223.When microprocessor 21 receives the pulling force difference information that computer terminal 3 is sent back to
When, microprocessor 21 is according to the pulling force difference information to the start and stop of motor 221 in cylinder device 22 and the commutation of reversal valve 224
Movement is controlled, and is adjusted to the extension elongation of hydraulic cylinder 223, i.e., the pulling force size born to hydraulic cylinder 223 is adjusted
It is whole, so that it is poor to eliminate the pulling force, born until pulling force matches with theory pulling force until hydraulic cylinder 223.
Wherein, the detailed process that microprocessor 21 is adjusted the pulling force size of automatic leveling hanging device 2 are as follows:
Step S41, microprocessor 21 start motor 221 and control reversal valve according to the pulling force difference information received
224 commutation carries out action control for the first time to hydraulic cylinder 223.
After microprocessor 21 receives the pulling force difference information that computer terminal 3 is sent back to, it is converted into corresponding stress difference.
When stress difference is negative value, i.e., the value of thrust that hydraulic cylinder 223 is born at this time is less than theoretical value of thrust, then passes through reversal valve 224
Control hydraulic cylinder 223 carries out recycling movement, reduces the extension elongation of hydraulic cylinder 223, improves the value of thrust that hydraulic cylinder 223 is born；
When stress difference is positive value, i.e., the value of thrust that hydraulic cylinder 223 is born at this time is greater than theoretical value of thrust, then passes through reversal valve 224
It controls hydraulic cylinder 223 and carries out extending action, increase the extension elongation of hydraulic cylinder 223, reduce the value of thrust that hydraulic cylinder 223 is born.
Step S42, after hydraulic cylinder 223 is completed to act for the first time, foil gauge 23 bears pulling force at this time to hydraulic cylinder 223 and is produced
Raw stress variation is detected again, and the new stress information obtained at this time is sent in microprocessor 21.
Step S43, microprocessor 21 obtain new measured stress information from foil gauge 23, and control hydraulic cylinder system again
System 22 is acted.
The new stress informations of 21 pairs of microprocessor acquisitions, obtain for the first time stress information and stress difference information three it
Between be compared, obtain new stress information, and carry out to the hydraulic cylinder 223 in cylinder device 22 according to new stress information
Action control adjusts the length of hydraulic cylinder 223 again.
Step S44 repeats step S42 and step S43, until the receiving pulling force of hydraulic cylinder 223 and theoretical mutual of pulling force
After matching, microprocessor 21 controls reversal valve 224 and locks to hydraulic cylinder 223.
When the value of thrust that hydraulic cylinder 223 is born is within the scope of theoretical value of thrust, microprocessor 21 controls motor 221 and shuts down,
Reversal valve 224 is placed in Median Function simultaneously, position locking is carried out to hydraulic cylinder 223.When hydraulic cylinder 223 bear value of thrust not
When meeting theoretical value of thrust requirement, then continue to control cylinder device 22, until the value of thrust symbol that hydraulic cylinder 223 is born
Until rationally discussing value of thrust requirement.In this way, forming an independent feedback regulation system in the inside of automatic leveling hanging device 2
System improves the efficiency of tension balanced adjustment so that automatic leveling hanging device 2 be allow quickly to singly complete adjustment work.
Wherein, when by the adjusting repeatedly to cylinder device 22, the value of thrust for bearing hydraulic cylinder 223 finally meets reason
After requiring by value of thrust, value of thrust at this time is sent to computer terminal 3 by microprocessor 21 again.By computer terminal 3 at this time
Value of thrust and theoretical value of thrust compare confirmation, and pulling force is adjusted into qualifying signal and send back to corresponding microprocessor 21,
Locking of the completion of reversal valve 224 to 223 position of hydraulic cylinder is controlled by microprocessor 21.
When computer terminal 3, the value of thrust to all automatic leveling hanging devices 2 completes verification, and all lifting point positions
Hydraulic cylinder 223 all lock after, i.e., completion multipoint hoisting before tension balanced adjust work.
Further, since hydraulic cylinder 223 can export the active force of continuous and stable, therefore in actual multipoint hoisting process
In, real-time on-line tuning can be carried out to hydraulic cylinder 223 by computer terminal 3 and microprocessor 21.For example, in hoisting process
In meet with crosswind suddenly, cause the pulling force of part hoisting point position to be mutated, at this time by foil gauge 23 to the stress of hydraulic cylinder 223 into
Row real-time monitoring quickly exists to the progress of hydraulic cylinder 223 by computer terminal 3 and microprocessor 21 according to monitoring result
Line adjustment, so that the pulling force of each hoisting point position be made to keep balancing again, guarantees the stability and safety of hoisting process.
Claims (8)
1. a kind of automatic leveling Lift-on/Lift-off System, which is characterized in that including computer terminal, wireless signal transceiver and automatic leveling
Hanging device；The automatic leveling hanging device, including microprocessor, cylinder device and foil gauge；Wherein, the micro process
Device is connect with the cylinder device, for controlling the cylinder device work；Hydraulic cylinder is equipped in the cylinder device,
The hydraulic cylinder is located between rigging and items lifting lug to be lifted；The foil gauge is located on the hydraulic cylinder, for detecting
The pulling force size of hydraulic cylinder receiving is stated, and will test signal and be sent in the microprocessor；The computer terminal with it is described
It is connected between microprocessor by the wireless signal transceiver；An institute is equipped at each lifting lug position of items to be lifted
Automatic leveling hanging device and a wireless signal transceiver are stated, and each described automatic leveling hanging device passes through
One independent wireless signal transceiver is connect with the computer terminal.
2. automatic leveling Lift-on/Lift-off System according to claim 1, which is characterized in that the cylinder device further includes electricity
Machine, hydraulic pump, fuel tank and reversal valve；Wherein, the input axis connection of the output shaft of the motor and the hydraulic pump, the liquid
The oil inlet of press pump is connect with the fuel tank, and the oil outlet of the hydraulic pump is connect with the oil inlet of the reversal valve, described to change
It is connect to the oil outlet of valve with the fuel tank, two actuator ports of the reversal valve work with two of the hydraulic cylinder respectively
Chamber connection；The motor is connect with the microprocessor, and the start and stop of the motor are controlled by the microprocessor.
3. automatic leveling Lift-on/Lift-off System according to claim 2, which is characterized in that the reversal valve use in position to be O-shaped
The three-position four-way electromagnetic directional valve of function, and connect with the microprocessor, its commutation action is controlled by the microprocessor.
4. automatic leveling Lift-on/Lift-off System according to claim 2, which is characterized in that the microprocessor, the foil gauge,
The motor, the hydraulic pump, the reversal valve and the fuel tank are integrated in a control cabinet, and with the hydraulic cylinder
Cylinder part be fixedly connected.
5. a kind of automatic leveling hanging method, which is characterized in that comprising the following specific steps
Step S1, foil gauge carry out stress mornitoring to hydraulic cylinder and generate measured stress information；
Step S2, microprocessor obtain measured stress information from foil gauge, and after stress information is converted to pulling force information, pass through
Wireless signal transceiver is sent to computer terminal；
Step S3, actual measurement pulling force information and theoretical pulling force information is compared in computer terminal, and the result information of comparison is led to
It crosses wireless signal transceiver and send back to microprocessor；
Step S4, microprocessor control cylinder device according to the back information of computer terminal and act, until hydraulic cylinder bears to draw
Until power is matched with theoretical pulling force.
6. automatic leveling hanging method according to claim 5, which is characterized in that in the step S3, computer terminal
Comparison result to actual measurement pulling force information and theoretical pulling force information is that pulling force adjusts qualified information or pulling force difference information.
7. automatic leveling hanging method according to claim 6, which is characterized in that when pulling force is adjusted qualification by computer terminal
When information is sent to microprocessor, microprocessor control reversal valve locks hydraulic cylinder.
8. automatic leveling hanging method according to claim 6, which is characterized in that when pulling force difference information is sent out in computer terminal
When sending to microprocessor, the detailed process of the step S4 are as follows:
Step S41, microprocessor control cylinder device according to pulling force difference information and are acted for the first time；
Step S42, cylinder device are completed after acting for the first time, and foil gauge carries out stress mornitoring again to hydraulic cylinder and generates newly
Measured stress information；
Step S43, microprocessor obtain new measured stress information from foil gauge, and control cylinder device is moved again
Make；
Step S44 repeats step S42 and step S43, until after the actual measurement pulling force of hydraulic cylinder is matched with theoretical pulling force, micro process
Device control reversal valve locks hydraulic cylinder.
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| CN201710609429.4A CN107244609B (en) | 2017-07-25 | 2017-07-25 | Automatic leveling hanging device, system and method |
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| CN201710609429.4A CN107244609B (en) | 2017-07-25 | 2017-07-25 | Automatic leveling hanging device, system and method |
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| CN107244609B true CN107244609B (en) | 2019-07-19 |
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| CN109319651A (en) * | 2018-10-24 | 2019-02-12 | 中国核工业二三建设有限公司 | A kind of apparatus and system for the lifting of more suspension centres |
| CN115628245B (en) * | 2022-12-06 | 2023-03-10 | 燕山大学 | Modularized switch reluctance type electromagnetic reversing valve |
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| CN201196176Y (en) * | 2008-04-18 | 2009-02-18 | 山东理工大学 | Liquid filling device of hydraulic cylinder controlled by reversal valve |
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