CN201222198Y - System for automatically driving and controlling diverter test stand - Google Patents
System for automatically driving and controlling diverter test stand Download PDFInfo
- Publication number
- CN201222198Y CN201222198Y CNU2008200842955U CN200820084295U CN201222198Y CN 201222198 Y CN201222198 Y CN 201222198Y CN U2008200842955 U CNU2008200842955 U CN U2008200842955U CN 200820084295 U CN200820084295 U CN 200820084295U CN 201222198 Y CN201222198 Y CN 201222198Y
- Authority
- CN
- China
- Prior art keywords
- steering gear
- input shaft
- programmable logic
- logic controller
- drives
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an automatic driving and control system of an integrated test station of a diverter, which comprises a driving system which is formed by a hydraulic motor and a decelerator, a test and feedback system formed by a photoelectric encoder, a control system which is formed by a programmable controller (P L C), and an executing mechanism formed by an electromagnetic change-over valve, wherein the hydraulic motor is connected with an input shaft of a to-be-detected diverter through the decelerator to drive the input shaft of the diverter to rotate positively and negatively, the photoelectric encoder is connected with the input shaft of the diverter to measure the rotation angle of the input shaft of the diverter and feed back to the programmable controller, parameters such as large cycle rotation angle and small cycle rotation angle and the like are input into the programmable controller through a toggle switch, and the closure of the electromagnetic change-over valve is controlled through utilizing the high-speed numeration and interval comparison functions of the programmable controller, thereby realizing the automatic control for the test station of the diverter.
Description
Technical field
The utility model patent drives and control system automatically about a kind of steering gear testing table, be that a kind of steering gear testing table of can controlling automatically carries out long duration test to the steering gear of different model, can realize becoming corner circulation (large and small circulation) continuous reciprocating steering gear testing table and drive automatically and control system.
Background technology
The steering gear testing table is automobile steering device performance test and long duration test imperative equipment, is made up of several parts of drive unit, charger, control device, test and data acquisition processing device usually.Conventional steering gear testing table should have following function:
1) does forward and reverse reciprocating operation with certain speed drive steering gear input shaft;
2) back and forth the angle of rotation should be able to be adjusted as required;
3) every through coming back to the neutral position after the circulation.
The steering gear durable test stand generally adopts motor or oil motor as power, rotatablely moving of motor is converted to the reciprocally swinging of steering gear input shaft by certain motion.The angle range of the conventional forward and reverse reciprocally swinging of steering gear testing table has two kinds of adjustment modes of mechanism's adjustable type and position adjustments formula usually.
But in the long duration test process, because steering gear model difference, input shaft always turns round number of turns difference.Thereby, whenever do single test and all will bring a lot of inconvenience to test, and ratio of precision be lower by certain institutional adjustment transfer input shaft angular region.
In addition,, require input shaft to rotate and reverse, behind moving 10 partial circulatings (± 180 °) of revolution, carry out a systemic circulation (from the neutral position to left and right dead point 90%) from the neutral position to the long duration test of some steering gear.Circulation so repeatedly, the transfer input shaft angular region is cyclical variation (promptly becoming the large and small circulation of corner) in the feasible test.And, the automobile steering device of different model, the angle range that its large and small cyclic test requires is also different, and the number of times of large and small cyclic test also has nothing in common with each other.Yet existing at present steering gear testing table carries out corresponding artificial the adjustment to be suitable for the testing requirements of dissimilar steering gears normally by mechanism's adjustable type and position adjustments formula dual mode, can't control automatically and finish above-mentioned functions.
Patent content
The utility model patent content is to drive automatically and control system about the steering gear multi-function test stand, and function is that various tests are carried out in steering gear, whether satisfies the requirement of relevant criterion to detect steering gear.Adopt driving automatically and control system can satisfy the requirement of different steering gears tests easily, reduce number of times is installed, raise the efficiency and test accuracy.Native system mainly comprises: the topworks that the control system that test that the drive system that oil motor and speed reduction unit are formed, photoelectric encoder constitute and feedback system, Programmable Logic Controller (PLC) constitute, solenoid directional control valve are formed.Oil motor links through the input shaft of speed reduction unit and steering gear, drives the steering gear input shaft and does forward and reverse rotation; Photoelectric encoder connects with the steering gear input shaft, measures the corner of steering gear input shaft and feeds back to Programmable Logic Controller; Parameters such as large and small circulation corner are imported Programmable Logic Controller by toggle switch, utilize the high speed numeration of Programmable Logic Controller and the closure of interval comparing function control solenoid directional control valve, thereby realize the automatic control to the steering gear testing table.
The purpose of the utility model patent is to provide a kind of steering gear testing table to drive automatically and control system, steering gear at different model, as long as the related experiment parameter that input is default can be controlled the steering gear testing table automatically and finish steering gear long duration tests such as becoming the large and small circulation of corner.
The technical essential of the utility model patent provides a kind of steering gear testing table and drives automatically and control system.This system comprises photoelectric encoder, Programmable Logic Controller, actuating unit and drive unit.Wherein, photoelectric encoder detects the angular signal of steering gear input shaft to be measured and feeds back to Programmable Logic Controller; The rotary angle signal of the steering gear input shaft that Programmable Logic Controller reception photoelectric encoder is sent, break-make by the control solenoid directional control valve is controlled the rotation of oil motor and is turned to, and drive steering gear input shaft to be measured by speed reduction unit and do forward and reverse to-and-fro movement, and carry out large and small cyclical variations according to the program of setting, steering gear to be measured is tested accordingly.Actuating unit is a solenoid directional control valve, and solenoid directional control valve comprises just changes electromagnet and counter-rotating electromagnet.Drive unit comprises oil motor and speed reduction unit, and the output shaft of speed reduction unit and the input shaft of steering gear to be measured link, and drives the steering gear running.
System also comprises the manual steering control device, and it and Programmable Logic Controller link, by the operation of hand-control device also controlled steering gear to be measured.The manual steering control device comprises and manually rotates and reverse device, is mainly used in the Installation and Debugging before the test.
Description of drawings
Fig. 1 is that this patent steering gear testing table drives and control system basic comprising synoptic diagram;
Fig. 2 is that this patent steering gear testing table automatic control system hardware constitutes synoptic diagram;
Fig. 3 is a this patent experiment work process flow synoptic diagram
Embodiment
Now, automatic driving of the utility model patent steering gear testing table and control system are described in further detail in conjunction with Figure of description.
The utility model patent steering gear testing table drive and the control system basic comprising as shown in Figure 1, this drives automatically and control system comprises Programmable Logic Controller 1, photoelectric encoder 2, steering gear to be measured 3, speed reduction unit 4, oil motor 5, solenoid directional control valve 6, fuel tank 7, oil pump 8.
The utility model patent steering gear testing table automatic control system hardware constitutes as shown in Figure 2, and it comprises filter cleaner alarm 9, manually rotating running gear 10, position limitation protection switch 11, toggle switch 12, cycle index show 13.Filter cleaner alarm 9 is used for sending corresponding alarm signal when abnormal conditions appear in test; Manually rotating running gear 10 comprises that manually just transporting luggage puts and the running gear that manually reverses, and uses when Installation and Debugging; Position limitation protection switch 11 can avoid the rotation of steering gear input shaft to surpass hard-over, and steering gear is played a protective role; Cycle index display device 13 is used for showing the test loop-around data.
Import parameters such as partial circulating angle range value n1, systemic circulation angle range value n2, test global cycle number of times M1, M=M1/10 to Programmable Logic Controller 1 by toggle switch 12 before the test.The experiment work process flow as shown in Figure 3.
After on-test, system carries out automatic plus coujnt to partial circulating variable I, as partial circulating variable I during less than default partial circulating number of times 10, the corner value n of steering gear to be measured is made as partial circulating corner value n1, carries out the partial circulating test automatically; If partial circulating variable I during greater than default partial circulating number of times 10, is made as systemic circulation corner value n2 with steering gear corner value n to be measured, enter the systemic circulation process of the test.After entering the systemic circulation test; earlier partial circulating variable I is carried out zero clearing; again systemic circulation variable J is carried out automatic plus coujnt; as systemic circulation variable J during less than default systemic circulation number of times M; return and carry out the partial circulating test again; as systemic circulation variable J during, shut down and finish test greater than default systemic circulation number of times M.
What need here to remark additionally is, can not control the angle that steering gear is rotated with the length of time of solenoid directional control valve 6 power on/off.Even reason is that the switching electricity time of solenoid directional control valve 6 electromagnet is identical, because the microcosmic asymmetry of reversal valve internal oil channel and the factors such as difference of the positive and negative rotation hysteresis of oil motor, can cause the unbalanced of oil motor rotating momentum, it is unequal to make steering gear rotate and reverse angle, after through several circulations, the neutral position meeting sideslip of steering gear, therefore can not control the angle that steering gear is rotated with the length of time of solenoid valve power on/off, and must control with the actual position signal of steering gear input shaft.
The utility model patent drives automatically and control system is applicable to the power of the various models of automobile, engineering machinery, wheeled tractor assembling, all-hydraulic and manual steering gear test, applicability is wide, the control accuracy height, be that bogie of car is tested requisite device, be with a wide range of applications.
Claims (5)
1, a kind of steering gear testing table drives and control device automatically, it is characterized in that: the topworks that the control system that test that the drive system that oil motor and speed reduction unit are formed, photoelectric encoder constitute and feedback system, Programmable Logic Controller (PLC) constitute, solenoid directional control valve are formed; Wherein, oil motor links through the input shaft of speed reduction unit and steering gear, drives the positive and negative rotation of steering gear input shaft; Photoelectric encoder connects with the steering gear input shaft, measures the corner of steering gear input shaft and feeds back to Programmable Logic Controller; Parameters such as large and small circulation corner are imported Programmable Logic Controller by toggle switch.
2, steering gear testing table as claimed in claim 1 drives and control device automatically, it is characterized in that: adopt Programmable Logic Controller to control, with the toggle switch device correlation parameter is inputed to this Programmable Logic Controller.
3, steering gear testing table as claimed in claim 2 drives and control device automatically, it is characterized in that: the corner that detects steering gear input shaft to be measured with photoelectric encoder, and feed back to Programmable Logic Controller as control signal with this signal, drive unit is controlled, realized the large and small circular flow of steering gear.
4, steering gear testing table as claimed in claim 3 drives and control device automatically, and it is characterized in that: drive unit comprises oil motor that links with solenoid directional control valve and the speed reduction unit that links with steering gear input shaft to be measured.
5, steering gear testing table as claimed in claim 4 drives and control device automatically; it is characterized in that: this system comprises the position limitation protection switch that links with Programmable Logic Controller, can carry out corresponding position limitation protection function by this Programmable Logic Controller output position limitation protection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200842955U CN201222198Y (en) | 2008-03-12 | 2008-03-12 | System for automatically driving and controlling diverter test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200842955U CN201222198Y (en) | 2008-03-12 | 2008-03-12 | System for automatically driving and controlling diverter test stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201222198Y true CN201222198Y (en) | 2009-04-15 |
Family
ID=40575703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200842955U Expired - Fee Related CN201222198Y (en) | 2008-03-12 | 2008-03-12 | System for automatically driving and controlling diverter test stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201222198Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866022A (en) * | 2012-09-10 | 2013-01-09 | 宁波力达物流设备有限公司 | Detection device for steering controller and steering motor |
| CN104362936A (en) * | 2014-11-19 | 2015-02-18 | 江苏凯隆电器有限公司 | Reversible control and protection switch electric appliance and reversible control method thereof |
| CN105203339A (en) * | 2015-09-22 | 2015-12-30 | 湖北恒隆汽车系统集团有限公司 | Measuring method for fast detecting unloading stroke of power steering gear with unloading valve |
| CN108195594A (en) * | 2017-12-19 | 2018-06-22 | 重庆厚全科技发展有限公司 | Automobile chassis casting detection device |
-
2008
- 2008-03-12 CN CNU2008200842955U patent/CN201222198Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866022A (en) * | 2012-09-10 | 2013-01-09 | 宁波力达物流设备有限公司 | Detection device for steering controller and steering motor |
| CN102866022B (en) * | 2012-09-10 | 2015-03-25 | 宁波力达物流设备有限公司 | Detection device for steering controller and steering motor |
| CN104362936A (en) * | 2014-11-19 | 2015-02-18 | 江苏凯隆电器有限公司 | Reversible control and protection switch electric appliance and reversible control method thereof |
| CN104362936B (en) * | 2014-11-19 | 2017-07-21 | 江苏凯隆电器有限公司 | Reversible control and protective switching device and its reversible control method |
| CN105203339A (en) * | 2015-09-22 | 2015-12-30 | 湖北恒隆汽车系统集团有限公司 | Measuring method for fast detecting unloading stroke of power steering gear with unloading valve |
| CN108195594A (en) * | 2017-12-19 | 2018-06-22 | 重庆厚全科技发展有限公司 | Automobile chassis casting detection device |
| CN108195594B (en) * | 2017-12-19 | 2019-07-02 | 重庆厚全科技发展有限公司 | Automobile chassis casting detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106671091B (en) | A kind of robot hydraulic-driven cradle head closed-loop control system | |
| CN201222198Y (en) | System for automatically driving and controlling diverter test stand | |
| CN103148035B (en) | A kind of directly-fed Digital Hydraulic Valve position control system | |
| CN110792834B (en) | Electric valve capable of realizing error compensation control and working method thereof | |
| CN201918952U (en) | Swinging device based on linear motor | |
| CN206988515U (en) | One kind rotation fork type servo-electric actuator | |
| CN108146498A (en) | Steering pump motor speed regulation system positively related with direction disk rotating speed and method | |
| CN201606154U (en) | Concrete pump and engine throttle control device thereof | |
| CN104295543A (en) | Hybrid power engineering machine composite motion control method | |
| CN202632119U (en) | Cradle head rotation control device | |
| CN103420095A (en) | Multi-motor power balancing system and method for variable-speed-device-driven belt conveyor | |
| CN103345271B (en) | A kind of gas flow control set for adjusting based on embedded system | |
| CN103399515A (en) | Point location motion controller | |
| CN202379486U (en) | Locating device for loader of storage bin | |
| CN209557371U (en) | A kind of multi-functional oil valve | |
| CN100543204C (en) | A kind of drive unit of combing machine nipper | |
| CN203038038U (en) | Intelligent electric actuating mechanism control system | |
| CN102297175B (en) | Quantitative oil feeder | |
| CN201246361Y (en) | Closed-loop controlled high precision digital type synchronous valve | |
| CN203730676U (en) | Automatic tensioning hydraulic device of chain of heavy-duty production line | |
| CN202441957U (en) | Electric hydraulic valve control device and electric hydraulic valve and engineering machinery | |
| CN103411227B (en) | A kind of pulsed quantizes fuel injecting method and device | |
| CN101954729B (en) | Digital feedback mould adjustment system device | |
| CN208929101U (en) | A kind of self-localization-type hoop bender feeding device | |
| CN205173643U (en) | Needle type valve electrohydraulic actuator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090415 Termination date: 20100312 |