CN100573084C - Automobile gearbox loads and detects testing table - Google Patents
Automobile gearbox loads and detects testing table Download PDFInfo
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- CN100573084C CN100573084C CNB2004100199702A CN200410019970A CN100573084C CN 100573084 C CN100573084 C CN 100573084C CN B2004100199702 A CNB2004100199702 A CN B2004100199702A CN 200410019970 A CN200410019970 A CN 200410019970A CN 100573084 C CN100573084 C CN 100573084C
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Abstract
The invention discloses a kind of automobile gearbox and load the detection testing table, it is characterized in that this device comprises experiment table device, electric drive system; Said experiment table device comprises that input shaft drives alternating current generator, input shaft torque speed probe, the quick clamping and positioning device of tested wheel box, one of output, two of outputs, output shaft rotating speed coder, output shaft loading direct current generator, fuel tank and annotates defuelling system; The present invention has following superiority: 1, energy-saving effect is obvious, and the electric energy recovery reaches more than 70%; 2, testing table adopts horizontal double-deck stereo arrangement, has saved the place area occupied of workshop, has improved production efficiency; 3, a tractor serves several purposes; 4, adopt industrial control computer system and measure and control instrument to realize the automatic control of testing process; 5, perfect interlock protection function.
Description
(1) technical field:
The invention belongs to a kind of automobile gearbox and load pick-up unit, particularly a kind of automobile gearbox loads and detects testing table.
(2) background technology:
Automobile gearbox loads and detects testing table is manufacturing plant's wheel box product off-line test imperative equipment, transmission assembly is loaded one by one detect test; This testing table detected object is hand, automatic gear-box, gear case, reductor of actuating units such as various vehicles and engineering machinery etc.Wheel box is driven test under loading environment, promptly detect moment of torsion, ratio of gear, noise or the noise of wheel box each gear transmission under the given rotating speed of test specification and gear shift ride comfort and losing rank under prescribed torque, out of supply or disorderly shelves detect, thereby the transmission assembly qualification of dispatching from the factory is judged.And by to the test data analyzer and the processing of this testing table, for the development of automatic transmission and ECU (Electrical Control Unit) (ECU) provides a large amount of useful test figures.
(3) summary of the invention:
The objective of the invention is to design a kind of automobile gearbox and load the detection testing table, it drives test to wheel box under loading environment, promptly detect moment of torsion, ratio of gear, noise or the noise of wheel box each gear transmission under the given rotating speed of test specification and gear shift ride comfort and losing rank under prescribed torque, out of supply or disorderly shelves detect, thereby the transmission assembly qualification of dispatching from the factory is judged.
The technical scheme that the present invention is adopted for achieving the above object is:
A kind of automobile gearbox loads and detects testing table, it is characterized in that this device comprises experiment table device, electric drive system; Said experiment table device comprises that input shaft drives alternating current generator, input shaft torque speed probe, the quick clamping and positioning device of tested wheel box, one of output, two of outputs, output shaft rotating speed coder, output shaft loading direct current generator, fuel tank and annotates defuelling system; The output terminal that said input shaft drives alternating current generator connects the input shaft torque speed probe; The input shaft torque speed probe is connected to the input splined shaft of transition connecting plate, and the quick clamping and positioning device of tested wheel box is arranged on transition connecting plate; At tested wheel box outgoing side two output shaft holes are arranged, two output shaft holes are connected with two output shafts respectively, wherein export a side shaft that loads direct current generator by belt and output shaft and stretch and be connected; Exporting two opposite side shaft extensions that load direct current generator by belt and output shaft is connected; The output shaft reductor is installed on output shaft and loads between the shaft extension of direct current generator; Said output shaft loading direct current generator and two side shafts that are connected of output are stretched and are with the output shaft rotating speed coder; Said gear-box lubricating oil oil supply system provides the lubricating oil of the Pass Test standard temperature after process heats for tested wheel box; Said electric drive system comprises that inlet wire reactor, the digital AC frequency control apparatus of vector controlled, input shaft drive alternating current generator, digital quadrant DC arrangements for speed regulation, tested wheel box, output shaft reduction gear, output loading direct current generator, smoothing reactor and field copper; Said inlet wire reactor is connected to the end of incoming cables of the digital AC frequency control apparatus of vector controlled, and the output terminal of the digital AC frequency control apparatus of vector controlled is connected to input shaft and drives alternating current generator, is used to drive the input shaft of tested wheel box; In the DC control part, three-phase alternating-current supply is connected to the end of incoming cables of digital quadrant DC arrangements for speed regulation by the inlet wire reactor, and its output terminal is connected to output and loads direct current generator, is used to drive the output shaft of tested wheel box.
Above-mentioned said automobile gearbox loads the detection testing table computer measurement and control system, comprises industrial control computer, I/O unit, communication unit, measuring instrument and sensor, signal condition and converting unit, lubricating oil temperature control instrument, RHVC, direct current speeder, electrical control gear and warning and interlock protection;
Above-mentioned said wheel box loads the test experience platform and adopts horizontal double-decker, is divided into two-layer layout up and down.
Principle of work of the present invention is as described below:
The input shaft drive motor, in order to drive the input shaft of tested wheel box, the operating mode of employing AC asynchronous motor and Siemens's vector converter speed regulating control technical modelling engine provides moment of torsion, rotating speed and the power of regulation for wheel box; The output shaft loading motor, be connected to the output shaft of wheel box by reduction gear, adopt direct current generator and rectification of four-quadrant operation Siemens and inversion transformation technique, certain reactive torque power is provided, simulate different road conditions, load under the integrated condition such as car weight and windage, and, realize that the electricity sealing loads with the recycling of process of the test energy consumption feedback supply network; The input torque speed probe between installation and input shaft drive motor and the transmission input shaft, measures the size of wheel box input shaft rotating speed and moment of torsion, promptly imports locked-in torque; The output shaft reductor is installed between output shaft of gear-box and the loading motor axle, and moment of torsion and rotating speed that loading motor is applied are converted to moment of torsion and the rotating speed that mates with each gear of wheel box; The gear-box lubricating oil oil supply system provides the lubricating oil of the Pass Test standard temperature after process heats for tested wheel box; Rapid-mounted and locating device are in the test specimen position fixing process, and the input and output axis drive motor works in low speed concussion wriggling mode, are convenient to the rapid abutting joint of test specimen and driving shaft; Compressed by the Pneumatic hydraulic device after finish the location, firm is installed on the test-bed.Electric actuator is used to install RHVC, commutation inversion device and the control apparatus etc. of the AC/DC motor that drives the input and output axle.The computer measurement and control system major function is the acquisition test data, controls process of the test automatically, and test data analyzer and processing form form and printing, to being carried out qualification analysis and judgement by test specimen.Native system is by data and status signals such as the rotating speed of the input shaft of big quantity sensor and measuring instrument acquisition test process and output shaft, torque, power, oil temperature, oil level, gear, noise, clutch position, test specimen positions; send the observing and controlling principal computer to; computing machine is according to selected test specification; automatically control the duty parameter such as rotating speed, torque, power of process of the test by desired flow process and status signal; and monitoring test process exception situation, report to the police and interlock protection.It is main control system that computer measurement and control system adopts the high reliability industrial control computer, growth data collection and control integrated circuit board and signal condition unit.Testing system software is mainly by graphical observing and controlling configuration software and C language compilation, and main test interface has process flow diagram, simulation drawing, meter diagram, real-time tendency curve, historgraphic data recording, data sheet printing, test specimen performance evaluation etc.
The present invention has following superiority: 1, adopt converter technique, rectification and inversion transformation technique and Computer Control Technology to realize advanced electricity sealing loading technique; The load and the road conditions condition of simulation wheel box, emulation wheel box real vehicle power coupling and lift-launch working condition, and the energy consumption feedback grid of process of the test recycled, more can not influence the operate as normal of other electrical equipment of user and electrical network is not impacted, energy-saving effect is obvious, and the electric energy recovery reaches more than 70%; 2, testing table adopts horizontal double-deck stereo arrangement, be more conducive to reasonable Arrangement and installation than traditional plane arrangement structure, machinery and Electrified Transmission modular construction compactness, saved the place area occupied of workshop greatly, saved the two-way time of tester's lifting and carrying test specimen, accelerate rhythm of production, further improved production efficiency; This is a domestic initiation; 3, be applicable to the test of the manual and automatic gear-box of multiple model, accomplish a tractor serves several purposes; Manual transmission has 8A, 7A, 5A etc.; Automatic gear-box has 3AP, 4AP etc.; 4, adopt industrial control computer system and measure and control instrument to realize the automatic control of testing process; 5, perfect interlock protection function, for example: when losing rank appears in test process, out of supply or neutral gear and random fortuitous event such as shelves and when the driving phenomenon took place, system possessed mistake and turns round defencive function, thereby avoid the generation etc. of equipment and personal injury accident; 6, by test specimen gas/liquid conversion rapid-mounted mechanism, for making tested wheel box consistent with the mounting means on the engine, and be fixed on reliably on the stand, adopt the gas/liquid conversion equipment that bleed pressure is converted to the hydraulic pressure snap-in force, be pressed on test specimen on the stand securely; 7, quantitatively add oiling and oil draining system, for the lubricating oil of wheel box filling ormal weight, after the off-test lubricating oil is drawn back oil tank before the test.
(4) description of drawings:
Accompanying drawing 1 is the test-bed structural drawing;
Accompanying drawing 2 is an electric drive system;
Accompanying drawing 3 is a computer measurement and control system;
Wherein 1 is input shaft driving alternating current generator; 2 is the input shaft torque speed probe; 01 is top plate; 02 is lower plywood; 3 is the quick clamping and positioning device of tested wheel box; 4 is tested wheel box; 5 are one of output; 6 are two of outputs; 7 is the output shaft rotating speed coder; 8 are output shaft loading direct current generator; 9 is the gear-box lubricating oil oil supply system; 10 is shaft coupling; 11 is the output shaft reductor; 12 is belt; 13 is the inlet wire reactor; 14 is the digital AC frequency control apparatus of vector controlled; 15 is smoothing reactor; 16 is field copper; 17 is digital quadrant DC arrangements for speed regulation; 18 is industrial control computer, and 19 is the I/O unit, and 20 is communication unit; 21 is signal condition and converting unit; 22 is measuring instrument and sensor; 23 for reporting to the police and interlock protection; 24 is lubricating oil temperature control instrument; 25 is RHVC; 26 is direct current speeder; 27 electrical control gears; 28 is transition connecting plate; 29 is the input splined shaft of transition connecting plate; 81 for output shaft loads the direct current generator output shaft, and 82 are output shaft loading direct current generator output shaft.
(5) embodiment:
Embodiment: a kind of automobile gearbox loads and detects testing table, it is characterized in that this device comprises experiment table device (seeing accompanying drawing 1) and electric drive system (seeing accompanying drawing 2); Said experiment table device comprises that input shaft drives alternating current generator 1, input shaft torque speed probe 2, the quick clamping and positioning device 3 of tested wheel box, one 5 of output, two 6 of outputs, output shaft rotating speed coder 7, output shaft loading direct current generator 8, fuel tank and annotates defuelling system 9; The output terminal that said input shaft drives alternating current generator 1 connects input shaft torque speed probe 2; Input shaft torque speed probe 2 is connected to the input splined shaft 29 of transition connecting plate 28, and the quick clamping and positioning device 3 of tested wheel box is arranged on transition connecting plate 28; At tested wheel box 4 outgoing sides two output shaft holes are arranged, two output shaft holes are connected with two output shafts respectively, wherein export one 5 side shaft that loads direct current generator 8 by belt 12 and output shaft and stretch 82 and be connected; Exporting the two 6 opposite side shaft extensions 81 by belt 12 and output shaft loading direct current generator 8 is connected; Output shaft reductor 11 is installed on output shaft 5,6 and loads between the shaft extension 81,82 of direct current generator 8; Said output shaft loading direct current generator 8 and two 6 side shafts that are connected of output are stretched 82 and are with output shaft rotating speed coder 7; Said fuel tank and notes defuelling system 9 provide the lubricating oil of the Pass Test standard temperature after process heats for tested wheel box 4;
Said electric drive system (seeing accompanying drawing 2) comprises that inlet wire reactor 13, the digital AC frequency control apparatus 14 of vector controlled, input shaft drive alternating current generator 1, digital quadrant DC arrangements for speed regulation 17, tested wheel box 4, output shaft reduction gear 11, output loading direct current generator 8, smoothing reactor 15 and field copper 16; Exchanging control section, three-phase alternating-current supply is connected to the end of incoming cables of the digital AC frequency control apparatus 14 of vector controlled by inlet wire reactor 13, the output terminal of the digital AC frequency control apparatus 14 of vector controlled is connected to input shaft and drives alternating current generator 1, is used to drive the input shaft of tested wheel box; In the DC control part, three-phase alternating-current supply is connected to the end of incoming cables 17 of digital quadrant DC arrangements for speed regulation by inlet wire reactor 13, and its output terminal is connected to output and loads direct current generator 8, is used to drive the output shaft of tested wheel box.
Above-mentioned said automobile gearbox loads the detection testing table computer measurement and control system (seeing accompanying drawing 3), comprises industrial control computer 18, I/O unit 19, communication unit 20, measuring instrument and sensor 22, signal condition and converting unit 21, lubricating oil temperature control instrument 24, RHVC 25, direct current speeder 26, electrical control gear 27 and warning and interlock protection 23;
Above-mentioned said wheel box loads the test experience platform and adopts horizontal double-decker, is divided into two-layer layout up and down.Have top plate 01 to be separated by between two-layer up and down and support the top device, lower floor has lower plywood 02 to support.
Claims (3)
1, a kind of automobile gearbox loads and detects testing table, it is characterized in that this device comprises experiment table device and electric drive system; Said experiment table device comprises that input shaft drives alternating current generator, input shaft torque speed probe, the quick clamping and positioning device of tested wheel box, one of output, two of outputs, output shaft rotating speed coder, output shaft loading direct current generator, fuel tank and annotates defuelling system; The output terminal that said input shaft drives alternating current generator connects the input shaft torque speed probe; The input shaft torque speed probe is connected to the input splined shaft of transition connecting plate, and the quick clamping and positioning device of tested wheel box is arranged on transition connecting plate; At tested wheel box outgoing side two output shaft holes are arranged, two output shaft holes are connected with two output shafts respectively, wherein export a side shaft that loads direct current generator by belt and output shaft and stretch and be connected; Exporting two opposite side shaft extensions that load direct current generator by belt and output shaft is connected; The output shaft reduction gear is installed on output shaft and output shaft loads between the shaft extension of direct current generator; Said output shaft loading direct current generator and two side shafts that are connected of output are stretched and are with the output shaft rotating speed coder; Said fuel tank and notes defuelling system provide the lubricating oil of the Pass Test standard temperature after process heats for tested wheel box; Said electric drive system comprises two inlet wire reactors, the digital AC frequency control apparatus of vector controlled, digital quadrant DC arrangements for speed regulation, tested wheel box, output shaft reduction gear, smoothing reactor and field copper; Exchanging control section, three-phase alternating-current supply is connected to the end of incoming cables of the digital AC frequency control apparatus of vector controlled by an inlet wire reactor, the output terminal of the digital AC frequency control apparatus of vector controlled is connected to input shaft and drives alternating current generator, is used to drive the input shaft of tested wheel box; In the DC control part, three-phase alternating-current supply is connected to the end of incoming cables of digital quadrant DC arrangements for speed regulation by another inlet wire reactor, the output terminal of digital quadrant DC arrangements for speed regulation is connected to output shaft by smoothing reactor and loads direct current generator, is used to drive the output shaft of tested wheel box.
2, load the detection testing table according to the said a kind of automobile gearbox of claim 1; it is characterized in that said automobile gearbox loads the detection testing table computer measurement and control system is arranged, it comprises industrial control computer, I/O unit, communication unit, measuring instrument and sensor, signal condition and converting unit, lubricating oil temperature control instrument, RHVC, direct current speeder, electrical control gear and warning and interlock protection.
3, load the detection testing table according to the said a kind of automobile gearbox of claim 1, it is characterized in that said wheel box loads the detection testing table and adopts horizontal double-decker, is divided into two-layer layout up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100199702A CN100573084C (en) | 2004-07-12 | 2004-07-12 | Automobile gearbox loads and detects testing table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100199702A CN100573084C (en) | 2004-07-12 | 2004-07-12 | Automobile gearbox loads and detects testing table |
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| CN1721833A CN1721833A (en) | 2006-01-18 |
| CN100573084C true CN100573084C (en) | 2009-12-23 |
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| CNB2004100199702A Expired - Fee Related CN100573084C (en) | 2004-07-12 | 2004-07-12 | Automobile gearbox loads and detects testing table |
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Cited By (1)
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| CN101806653A (en) * | 2010-03-23 | 2010-08-18 | 吉林大学 | Impact property detecting and analyzing system of transmission system of engineering vehicle |
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2004
- 2004-07-12 CN CNB2004100199702A patent/CN100573084C/en not_active Expired - Fee Related
Cited By (2)
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| CN101806653A (en) * | 2010-03-23 | 2010-08-18 | 吉林大学 | Impact property detecting and analyzing system of transmission system of engineering vehicle |
| CN101806653B (en) * | 2010-03-23 | 2011-07-27 | 吉林大学 | Impact property detecting and analyzing system of transmission system of engineering vehicle |
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| CN1721833A (en) | 2006-01-18 |
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