CN100374759C - Automatic gear shifting and lubricating device for wheel and axle loading test table - Google Patents
Automatic gear shifting and lubricating device for wheel and axle loading test table Download PDFInfo
- Publication number
- CN100374759C CN100374759C CNB2006100098522A CN200610009852A CN100374759C CN 100374759 C CN100374759 C CN 100374759C CN B2006100098522 A CNB2006100098522 A CN B2006100098522A CN 200610009852 A CN200610009852 A CN 200610009852A CN 100374759 C CN100374759 C CN 100374759C
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- lubricating
- management unit
- gear
- wheel
- loading test
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Abstract
The present invention provides an automatic gear shifting and lubricating device for a wheel and axle loading test bench, which comprises a task management unit, a lubricating and gear shifting management unit, a lubricating and cooling system, a pneumatic gear shifting mechanism, a geat gearbox, a pressure sensor and stroke switches. The present invention is characterized in that the task management unit is a micro-computer of a running program, which transfers processed operation commands to the lubricating and gear shifting management unit through an RS485 communication card. After receiving and processing the operation commands, the lubricating and gear shifting management unit which is a PLC programmable controller of the running program drives a lubricating oil pump, a cooling fan and a contactor corresponding to a pneumatic electromagnetic valve. The pressure sensor arranged on a lubricating and cooling oil path and the stroke switch arranged on a pneumatic cylinder detect signals and feed the signals back to the task management unit. The device of the present invention can realize remote operation and automatic control of a wheel and axle loading test bench and can improve operating efficiency and system safety.
Description
(1) technical field
What the present invention relates to is a kind of gearbox and lubricating fitting thereof.
(2) background technique
For large-scale rotation bracket loading test platform, load requirement in order to satisfy full power, the simulation real working condition.Should adopt many gears gearbox to carry out torque and transformation of speed.
The gearbox gear-shift mode has manually and automatic two kinds, and hand shift is traditional mode of operation, requires the operator in experiment place internal speed-changing case previous action, and is more loaded down with trivial details, inefficiency; The automaitc shfit operator does not need gearbox nearby, can be between control in remote operation, simple and fast, high working efficiency, automaitc shfit is the development trend that many gears gearbox designs.
When automaitc shfit, can adopt Pneumatic Transmission, hydraulic transmission, the moving several schemes of fax.By contrast, Pneumatic Transmission and control mode have quick action, good environmental adaptability, simple in structure, be easy to advantage such as maintenance, and Pneumatic Transmission technology maturation at present, component purchase is convenient, is applicable to the gearbox gear-shift requirement.
The cooling and lubricating of gearbox also adopts traditionally and manually boots mode, and its shortcoming is can't be related with other control operation of gearbox, in case misoperation will cause gearbox to burn the tooth accident.
Computer controlled system is the product that computer technology combines with control theory, and it graphically controls the interface, and is succinct directly perceived, easy operating, and can realize faut detection and perfect virtual protection function.
(3) summary of the invention
The object of the present invention is to provide and a kind ofly can realize automatic control, realize remote operation, improve the loading test table of wheel and vehicle axle automaitc shfit and the lubricating fitting of operating efficiency and security of system.
The object of the present invention is achieved like this: it comprises the task management unit, lubricate and the gear management unit, lubricating and cooling system, compressed air gearshift, speed-changing gear box, pressure transducer and position limit switch, the task management unit is the microcomputer of working procedure, operational order after computer will be handled is sent to lubricated and gear management unit by the RS485 address card, lubricated and gear management unit is the PLC programmable controller of working procedure, after lubricated and gear management unit receives operational order and processing, drive lubricating pump, the corresponding contactor of cooling fan and air-operated solenoid valve, pressure transducer is arranged on the lubricating cooling oil road, position limit switch is arranged on the cylinder, pressure transducer, the position limit switch testing signal feeds back to the task management unit.
The present invention can also comprise some structure characteristics like this:
1, speed-changing gear box is three pairs of double crosslinking sliding gear gearboxes.
2, lubricating and cooling system by gear pump, be connected in the filter on the gear pump output pipeline, the pressure transducer that links to each other with the gear pump outlet conduit, the cooler that links to each other with filter constitutes, cooler connects the oil separator and the shower type oil pipe of gearbox.
3, compressed air gearshift by source of the gas, be connected in one-way valve behind the source of the gas, be connected in filtration decompression mist of oil three linked piece behind the one-way valve, be installed on pressure relay on the pipeline, be connected in the two-position five-way solenoid directional control valve that filters behind the decompression mist of oil three linked piece, be connected in the cylinder behind the selector valve, shift fork and the position limit switch that is installed on the cylinder constitutes.
Load test is in order to test by the performance of test specimen under extreme condition, equipment is in full power, big torque, high rotation speed operation state when therefore testing, test often proceeds to by till the test specimen fracture failure, and is very dangerous in the pilot region, should avoid personnel to enter as far as possible.
The present invention has realized the automation remote operation, operator control between in the monitoring test process, carry out the start and stop of gear shift and cooling and lubricating system, reduced personnel and frequently entered the probability that pilot region is subjected to unexpected injury.
The live signal of the present invention by sending between pressure transducer and position limit switch and task management unit and lubricated and the gear management unit; realized the real-time detection of the system failure; and be provided with the virtual protection function by the program of task management unit; occur in time to stop when unusual in system, guaranteed device security.
The scheme that the present invention adopts computer program control to combine with pneumatic hydraulic actuator has realized automation of operation, has reduced labor intensity, has improved working efficiency.
The present invention adopts computer program management exercise flow process, and Test Information is write down and preserves at the graphical operation interface automatically, is convenient to follow-up data processing and analysis.
(4) description of drawings
Fig. 1 is a structural principle schematic representation of the present invention;
Fig. 2 is a lubricating and cooling system schematic representation of the present invention;
Fig. 3 is a compressed air gearshift schematic representation of the present invention.
Fig. 4 is a speed-changing gear box speed diagram of the present invention;
(5) embodiment
For a more detailed description to the present invention for example below in conjunction with accompanying drawing:
In conjunction with Fig. 1, loading test table of wheel and vehicle axle automaitc shfit and lubricating fitting are made of task management unit 1, RS485 address card 2, lubricated and gear management unit 3, lubricating and cooling system 4, compressed air gearshift 5, speed-changing gear box 6, pressure transducer 7, position limit switch 8.Its working procedure is: task management unit 1 is the program that operates on the microcomputer, operational order after computer will be handled is sent to lubricated and gear management unit 3 by RS485 address card 2, lubricated and gear management unit 3 is the programs that operate in (PLC) on the programmable controller, after lubricated and gear management unit 3 receives operational order and processing, drive corresponding contactor, start/stop lubricating and cooling system 4 and compressed air gearshift 5, realize the lubricated cooling and the transforming gear of speed-changing gear box 6, pressure transducer 7 is arranged on the oil circuit of lubricating and cooling system 4, whether can detect the lubricating cooling oil road connects, position limit switch 8 is arranged on the cylinder 20, whether can detect gear shift and put in place, pressure transducer 7 and position limit switch 8 feed back to task management unit 1 with testing signal.
In conjunction with Fig. 2, lubricating and cooling system by gear pump 9, be connected in the filter 10 on gear pump 9 inlet pipelines, the cooler 11 that links to each other with filter 10, pressure transducer 7, pressure relay 12, be installed in oil separator in the gearbox 6 and shower type oil pipe 13 and fuel tank 14 and constitute.Its working procedure is: after the lubricated and lubricated operational order of gear management unit 3 receptions is also handled, drive corresponding contactor, start/stop lubricating pump 9, lubricant oil is extracted out from fuel tank 14, arrive oil separator and shower type oil pipe 13 through filter 10 and cooler 11, gear in the gearbox and bearing are carried out cooling and lubricating.
In conjunction with Fig. 3, the one-way valve 16 of compressed air gearshift after by source of the gas 15, source of the gas 15, be connected in filtration decompression mist of oil three linked piece 17 behind the one-way valve 16, be installed on pressure relay 18 on the pipeline, be connected in the two-position five-way solenoid directional control valve 19 that filters behind the decompression mist of oil three linked piece 17, be connected in the cylinder 20 behind the selector valve 19, shift fork 21 and the position limit switch 8 that is installed on the cylinder constitutes.Its working procedure is: after lubricated and gear management unit 3 receives gear-change operation instruction and processing, drive air-operated solenoid valve 19, make in cylinder 20 ante-chambers or the back cavity and connect pressurized air, piston drives reverse shift fork 21 and moves forward and backward, shift the shifting slide gear in the speed-changing gear box 5 onto specified position, realize gear shift.
In conjunction with Fig. 4, speed-changing gear box is realized the velocity ratio of 4 gears by three pairs of double crosslinking sliding gear matched combined.
Working principle of the present invention is: the program of task management unit operates on the microcomputer; the operator is the input operation instruction on patterned man-machine interface; computer is done corresponding processing back with operational order and is sent lubricated and gear management unit to by the RS485 address card; program lubricated and the gear management unit operates on the PLC programmable controller; it does corresponding processing after receiving operational order; drive corresponding contactor according to predefined order; start/stop lubricating pump; cooling fan and air-operated solenoid valve; realize lubricated cooling and compressed-air shifting; pressure transducer on the lubricating cooling oil road can detect whether proper functioning of lubricating and cooling system; whether position limit switch can detect gear shift and put in place; these two kinds of testing signals feed back to the task management unit; if any unusually; the task management unit will start the protection programmed sequence of operations immediately, realize safety protection.
Speed-changing gear box adopts three pairs of double crosslinking sliding gear speed changes, can obtain four velocity ratios, can satisfy different torques and rotating speed requirement.
Cooling and lubrication unit through filter, cooler, enter the oil separator and the shower type oil pipe of gearbox by the gear pump oil suction, and each gear surface and bearing are lubricated and cool off, and guarantee that gearbox runs well.
After the pneumatic switch unit source of the gas after filtration, decompression, mist of oil handle, by solenoid directional control valve, enter cylinder, cylinder promotes shift fork, drives the gear shift that corresponding three pairs of double crosslinking sliding gears are realized gearbox, and pneumatic schematic diagram is referring to Fig. 4.Solenoid directional control valve in the upper-position unit telecontrol, is realized automaitc shfit by the operator, and whether position limit switch detects shift fork and put in place, and gives the task management unit feedback information.The logical relation truth table of the corresponding solenoid directional control valve of each gear is referring to table 1.
The logical relation truth table of table 1 solenoid directional control valve
| YV1 | YV2 | YV3 | YV4 | YV5 | YV6 | |
| One grade of i1 | + | - | - | + | + | - |
| Second gear i2 | + | - | + | - | + | - |
| Third gear i3 | + | - | + | - | - | + |
| Fourth gear i4 | - | + | + | - | - | + |
Claims (5)
1. loading test table of wheel and vehicle axle gearbox automaitc shfit and lubricating fitting, it comprises the task management unit, lubricate and the gear management unit, lubricating and cooling system, compressed air gearshift, speed-changing gear box, pressure transducer and position limit switch, it is characterized in that: the task management unit is the microcomputer of working procedure, operational order after computer will be handled is sent to lubricated and gear management unit by the RS485 address card, lubricated and gear management unit is the PLC programmable controller of working procedure, after lubricated and gear management unit receives operational order and processing, drive lubricating pump, the corresponding contactor of cooling fan and air-operated solenoid valve, pressure transducer is arranged on the lubricating cooling oil road, position limit switch is arranged on the cylinder, pressure transducer, the position limit switch testing signal feeds back to the task management unit.
2. loading test table of wheel and vehicle axle automaitc shfit according to claim 1 and lubricating fitting is characterized in that: speed-changing gear box is three pairs of double crosslinking sliding gear gearboxes.
3. loading test table of wheel and vehicle axle automaitc shfit according to claim 1 and 2 and lubricating fitting, it is characterized in that: lubricating and cooling system by gear pump, be connected in the filter on the gear pump output pipeline, the pressure transducer that links to each other with the gear pump outlet conduit, the cooler that links to each other with filter constitutes, cooler connects the oil separator and the shower type oil pipe of gearbox.
4. loading test table of wheel and vehicle axle automaitc shfit according to claim 1 and 2 and lubricating fitting is characterized in that: compressed air gearshift by source of the gas, be connected in one-way valve behind the source of the gas, be connected in filtration decompression mist of oil three linked piece behind the one-way valve, be installed on pressure relay on the pipeline, be connected in the two-position five-way solenoid directional control valve that filters behind the decompression mist of oil three linked piece, be connected in the cylinder behind the selector valve, shift fork and the position limit switch that is installed on the cylinder constitutes.
5. loading test table of wheel and vehicle axle automaitc shfit according to claim 3 and lubricating fitting is characterized in that: compressed air gearshift by source of the gas, be connected in one-way valve behind the source of the gas, be connected in filtration decompression mist of oil three linked piece behind the one-way valve, be installed on pressure relay on the pipeline, be connected in the two-position five-way solenoid directional control valve that filters behind the decompression mist of oil three linked piece, be connected in the cylinder behind the selector valve, shift fork and the position limit switch that is installed on the cylinder constitutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100098522A CN100374759C (en) | 2006-03-24 | 2006-03-24 | Automatic gear shifting and lubricating device for wheel and axle loading test table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100098522A CN100374759C (en) | 2006-03-24 | 2006-03-24 | Automatic gear shifting and lubricating device for wheel and axle loading test table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1821629A CN1821629A (en) | 2006-08-23 |
| CN100374759C true CN100374759C (en) | 2008-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100098522A Expired - Fee Related CN100374759C (en) | 2006-03-24 | 2006-03-24 | Automatic gear shifting and lubricating device for wheel and axle loading test table |
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| CN (1) | CN100374759C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102330720B (en) * | 2011-03-17 | 2014-05-28 | 昆山航天智能技术有限公司 | Parameter dynamic matching control system between multi-way reversing valve and hydraulic oil cylinder |
| CN103175688B (en) * | 2013-03-08 | 2015-01-21 | 上海汽车变速器有限公司 | High-speed drive verifying device for transmissions |
| CN103322182B (en) * | 2013-06-21 | 2015-11-25 | 中国人民解放军装甲兵工程学院 | Vehicle launch gearshift |
| CN106770686A (en) * | 2016-12-28 | 2017-05-31 | 天津精益铁安机电技术有限公司 | A kind of cylinder pneumatic slave system |
| CN109578578A (en) * | 2017-09-29 | 2019-04-05 | 比亚迪股份有限公司 | Oil piping system without clutch gearbox and without clutch gearbox |
| CN109343447B (en) * | 2018-09-12 | 2020-10-09 | 四川川润液压润滑设备有限公司 | Control system and method for power shift test bed of crawler vehicle speed change mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2311766Y (en) * | 1997-12-04 | 1999-03-24 | 吴明 | Vehicle wheel loading machine |
| US6568515B2 (en) * | 2000-11-21 | 2003-05-27 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Hydraulic actuation systems |
| CN1721833A (en) * | 2004-07-12 | 2006-01-18 | 天津市天派工业自动化技术有限公司 | Automobile gear box loading check test bench |
| CN1737523A (en) * | 2004-08-17 | 2006-02-22 | 天津市天派工业自动化技术有限公司 | Test bench for automatic gear box control valve of automobile |
-
2006
- 2006-03-24 CN CNB2006100098522A patent/CN100374759C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2311766Y (en) * | 1997-12-04 | 1999-03-24 | 吴明 | Vehicle wheel loading machine |
| US6568515B2 (en) * | 2000-11-21 | 2003-05-27 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Hydraulic actuation systems |
| CN1721833A (en) * | 2004-07-12 | 2006-01-18 | 天津市天派工业自动化技术有限公司 | Automobile gear box loading check test bench |
| CN1737523A (en) * | 2004-08-17 | 2006-02-22 | 天津市天派工业自动化技术有限公司 | Test bench for automatic gear box control valve of automobile |
Non-Patent Citations (1)
| Title |
|---|
| 车辆加载试验台机械系统的设计. 赵新通，韩俊伟.林业机械与木工设备，第32卷第2004年6期. 2004 * |
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| Publication number | Publication date |
|---|---|
| CN1821629A (en) | 2006-08-23 |
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Granted publication date: 20080312 Termination date: 20130324 |