CN105092264A - Tractor power gearshift power train test desk frame and test method thereof - Google Patents
Tractor power gearshift power train test desk frame and test method thereof Download PDFInfo
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- CN105092264A CN105092264A CN201510536857.XA CN201510536857A CN105092264A CN 105092264 A CN105092264 A CN 105092264A CN 201510536857 A CN201510536857 A CN 201510536857A CN 105092264 A CN105092264 A CN 105092264A
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Abstract
The invention discloses a tractor power gearshift power train test desk frame and a test method thereof. The tractor power gearshift power train test desk frame comprises an input unit, a front-portion output unit, a rear-portion left output unit, a rear-portion right output unit, an automatic gearshift apparatus, a hydraulic control unit and a measurement control integration unit. The input unit is connected with the input end of a tested piece, the front-portion output unit is connected with the front-portion output end of the tested piece, the rear-portion left output unit is connected with the rear-portion output end of the tested piece, the rear-portion right output unit is connected with the rear-portion output end of the tested piece, the automatic gearshift control apparatus is connected with the tested piece through a gearshift execution mechanism, and the hydraulic control unit is connected with a hydraulic pipeline of the tested piece; and an input unit terminal box, a front-portion output unit terminal box, a rear-portion left output unit terminal box, a rear-portion right output unit terminal box and a hydraulic control unit terminal box are respectively connected with a testing stand data control communication unit, and the measurement control integration unit is connected with the tested piece. The tractor power gearshift power train test desk frame provided by the invention simulates the actual application state of a power gearshift power train by use of a desk frame test method close to an actual application state.
Description
Technical field
The invention belongs to vehicle component field tests, relate to a kind of tractor dynamic power shift Power Train Test Bench frame and test method thereof.
Background technology
At present, China's vehicle component field tests, the power shifting Power Train Test Bench frame of use, can complete the project such as performance test and durability test of tractor dynamic power shift power train under specific test condition.But it is excessive to there is volume in the structure of power shifting Power Train Test Bench of the prior art, and automatic controlling extent is relatively low, and continuous shift process is difficult to the problems such as realization.Therefore, develop a kind of can be used for heavy tractor dynamic power shift kinematic train carry out performance test, space-saving, automatic controlling extent high, modular integrated degree is high, the test bench of power shifting transmission system frame that can simulate actual condition to the full extent and test method thereof be completely necessary.
Summary of the invention
The object of the present invention is to provide a kind of can be used for heavy tractor dynamic power shift kinematic train carry out performance test, space-saving, automatic controlling extent high, modular integrated degree is high, test bench of power shifting transmission system frame and test method thereof that actual condition can be simulated to the full extent.
Technical scheme of the present invention is: tractor dynamic power shift Power Train Test Bench frame, comprising: input block, anterior output unit, the left output unit in rear portion, the right output unit in rear portion, automatic gear shift apparatus, hydraulic control unit, Survey control integrated unit; Input block is connected with by the input end of test specimen, anterior output unit is connected with by the anterior output terminal of test specimen, the left output unit in rear portion is connected with by the rear portion output terminal of test specimen, the right output unit in rear portion is connected with by the rear portion output terminal of test specimen, automatic gear shift apparatus is connected with by test specimen by gear shifting actuating mechanism, and hydraulic control unit is connected with by the fluid pressure line of test specimen; Input block terminal box, anterior output unit terminal box, rear portion left output unit terminal box, the right output unit terminal box in rear portion, hydraulic control unit terminal box are connected by cable with testing table Data Control communication unit respectively, and Survey control integrated unit is connected with by test specimen.
In input block, safety clutch one end is connected with drive motor, the other end is connected with input torque speed probe, first acceleration transducer is arranged on input block protective device, input block guard covers safety clutch, input torque speed probe, above-mentioned each parts and input block terminal box are arranged in input block mounting seat, and the frequency converter controlling drive motor is electrically connected with drive motor.
In anterior output unit, anterior offset teeth roller box one end is connected with anterior loading motor, the other end is connected with anterior torque speed sensor, second acceleration transducer is arranged on anterior output unit protective device, the anterior torque speed sensor of anterior output unit guard covers, above-mentioned each parts and anterior output unit terminal box are arranged in anterior output unit mounting seat, and the frequency converter controlling anterior loading motor is connected with anterior loading motor.
In the left output unit in rear portion, left output unit wheel box one end, rear portion is connected with the left loading motor in rear portion, the other end is connected with the left torque speed sensor in rear portion, the left torque speed sensor in left output unit guard covers rear portion, rear portion, above-mentioned each parts and rear portion left output unit terminal box is arranged in the left output unit mounting seat in rear portion, and the frequency converter controlling the left loading motor in rear portion is connected with the left loading motor in rear portion.Wherein, the input/output terminal of the left output unit wheel box in rear portion is at the same face of wheel box.
The right output unit at rear portion, right output unit wheel box one end, rear portion is connected with the right loading motor in rear portion, the other end is connected with the right torque speed sensor in rear portion, the right torque speed sensor in right output unit guard covers rear portion, rear portion, above-mentioned each parts and rear portion right output unit terminal box is arranged in the right output unit mounting seat in rear portion, and the frequency converter controlling the right loading motor in rear portion is connected with the right loading motor in rear portion.Wherein, the input/output terminal of the right output unit wheel box in rear portion is at the same face of wheel box.
In automatic gear shift apparatus, automatic gear shift apparatus guidance panel is connected with gear shifting actuating mechanism respectively with gearshift switch board.
In hydraulic control unit, the pump of translator, three-way control valve, well heater, refrigeratory, filtrator, flow sensor are connected in series, and on pipeline, being connected with pressure transducer, temperature sensor, hydraulic control unit terminal box is fixed on the side of hydraulic control unit.
In Survey control integrated unit, pulse-width signal output unit, digital signal output unit, pressure signal collecting unit, temperature signal collection unit, acceleration signal collecting unit, tach signal collecting unit, flow signal acquisition unit, on-off model input block, to be connected with testing table Data Control communication unit respectively by test specimen measuring and control data communication unit, packaged type guidance panel is connected with testing table Data Control communication unit, and testing table Data Control communication unit is connected with operation computer for controlling.
The test method of tractor dynamic power shift Power Train Test Bench frame, comprising:
(1) with reference to by the technical requirement of test specimen, check by the machinery of test specimen, electric, whether hydraulic connecting state is normal;
(2) starting characteristics test stand, makes test-bed preheating more than 10 minutes;
(3) according to by the parameter request of test specimen, by weave by each Clutch Control curve of test specimen, alarm and protection parameter downloads in test operation program;
(4) will be placed in neutral gear position by all gears of test specimen, and start input block, raising speed, to the engine idle rotational that mated by test specimen, checks whether to be set up by test specimen system pressure;
(5) check one by one by each clutch switch state of test specimen, and the pressure state of correspondence;
(6) according to testing requirements, use automatic gear shift apparatus and Survey control integrated unit for being arranged starting gear by test specimen;
(7) according to testing requirements, by input block raising speed to specifying rotating speed;
(8) according to testing requirements, to being carried out unloaded power shifting gear switch test by test specimen;
(9) according to testing requirements, anterior output unit, the left output unit in rear portion, the right output unit in rear portion is made to be loaded on regulation torque;
(10) according to testing requirements, power shifting gear switch test is carried to being carried out band by test specimen;
(11) anterior output unit, the left output unit in rear portion, the right output unit in rear portion are offloaded to zero torque;
(12) by input block reduction of speed to zero rotating speed, testing table is closed.
Beneficial effect after the present invention adopts technique scheme is: providing a kind of can be used for carries out performance test, space-saving, automatic controlling extent high, modular integrated degree height tractor dynamic power shift Approach for Vehicle Transmission System Test Bench frame and test method thereof to tractor dynamic power shift kinematic train.Achieve programmable test operation and the method for not shutting down gearshift of power shifting power train, to simulate the realistic application conditions of power shifting power train closest to the Bench test methods of real use state.
Accompanying drawing explanation
Fig. 1 is the structural representation of tractor dynamic power shift Power Train Test Bench frame of the present invention.
Fig. 2 is the structural representation of the Survey control integrated unit of tractor dynamic power shift Power Train Test Bench frame of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further.A kind of power shifting Power Train Test Bench frame, comprises input block 1, anterior output unit 2, the left output unit 3 in rear portion, the right output unit 4 in rear portion, automatic gear shift apparatus 5, hydraulic control unit 6, Survey control integrated unit 7.Wherein input block 1 comprises frequency converter 10, input block terminal box 11, safety clutch 12, input torque speed probe 13, input block protective device 14, first acceleration transducer 15 of input block mounting seat 8, drive motor 9, control drive motor; Anterior output unit 2 comprises anterior output unit mounting seat 16, anterior loading motor 17, the frequency converter 18 controlling anterior loading motor, anterior output unit terminal box 19, anterior offset teeth roller box 20, anterior torque speed sensor 21, anterior output unit protective device 22, second acceleration transducer 23; The left output unit in rear portion 3 comprises frequency converter 26, rear portion left output unit wheel box 27, rear portion left output unit terminal box 28, the left torque speed sensor in rear portion 29, the left output unit protective device 30 in rear portion of rear portion left output unit mounting seat 24, the left loading motor in rear portion 25, the left loading motor in control rear portion; The right output unit in rear portion 4 comprises frequency converter 33, rear portion right output unit wheel box 34, rear portion right output unit terminal box 35, the right torque speed sensor in rear portion 36, the right output unit protective device 37 in rear portion of rear portion right output unit mounting seat 31, the right loading motor in rear portion 32, the right loading motor in control rear portion; Automatic gear shift apparatus 5 comprises gear shifting actuating mechanism 38, automatic gear shift apparatus guidance panel 39, gearshift switch board 40; Hydraulic control unit 6 comprises pump 41, three-way control valve 42, well heater 43, refrigeratory 44, filtrator 45, flow sensor 46, pressure transducer 47, temperature sensor 48, the hydraulic control unit terminal box 49 of translator; Survey control integrated unit 7 comprises pulse-width signal output unit 50, digital signal output unit 51, pressure signal collecting unit 52, temperature signal collection unit 53, acceleration signal collecting unit 54, tach signal collecting unit 55, flow signal acquisition unit 56, on-off model input block 57, by test specimen measuring and control data communication unit 58, testing table Data Control communication unit 59, packaged type guidance panel 60, operates computer for controlling 61.
Input block 1 is connected with by the input end of test specimen 62, anterior output unit 2 is connected with being exported by the front portion of test specimen 62, the left output unit 3 in rear portion is connected with by the rear portion output terminal of test specimen 62, the right output unit 4 in rear portion is connected with by the rear portion output terminal of test specimen 62, automatic gear shift apparatus 5 is connected with by the manual shift device of test specimen 62, and hydraulic control unit 6 is connected with by the fluid pressure line of test specimen 62.
The test method of tractor dynamic power shift Power Train Test Bench frame, comprising:
(1) with reference to by the technical requirement of test specimen 62, check by the machinery of test specimen 62, electric, whether hydraulic connecting state is normal;
(2) starting characteristics test stand, makes test-bed preheating more than 10 minutes;
(3) according to by the parameter request of test specimen 62, by weave by each Clutch Control curve of test specimen 62, alarm and protection parameter downloads in test operation program;
(4) will be placed in neutral gear position by all gears of test specimen 62, and start input block 1, raising speed, to the engine idle rotational that mated by test specimen 62, checks whether to be set up by test specimen 62 system pressure;
(5) check one by one by each clutch switch state of test specimen 62, and the pressure state of correspondence;
(6) according to testing requirements, use automatic gear shift apparatus 5 and Survey control integrated unit 7 for be arranged starting gear by test specimen 62;
(7) according to testing requirements, by input block 1 raising speed to specifying rotating speed;
(8) according to testing requirements, unloaded power shifting gear switch test is carried out to by test specimen 62;
(9) according to testing requirements, make anterior output unit 2, the left output unit in rear portion 3, the right output unit 4 in rear portion is loaded on regulation torque;
(10) according to testing requirements, power shifting gear switch test is carried to being carried out band by test specimen 62;
(11) anterior output unit 2, the left output unit in rear portion 3, the right output unit 4 in rear portion are offloaded to zero torque;
(12) by input block 1 reduction of speed to zero rotating speed, testing table is closed.
Above-described embodiment is the description of a kind of method for testing performance to tractor dynamic power shift Power Train Test Bench frame and power shifting power train.Also endurancing can be carried out in a similar manner.
The invention provides and a kind ofly can be used for carrying out tractor dynamic power shift kinematic train that performance test, space-saving, automatic controlling extent is high, modular integrated degree height test bench of power shifting transmission system frame; achieve the programmable test operation of not shutting down gearshift to power shifting power train, to simulate the realistic application conditions of power shifting power train closest to the Bench test methods of real use state.
Claims (9)
1. tractor dynamic power shift Power Train Test Bench frame, comprising: input block (1), anterior output unit (2), the left output unit in rear portion (3), the right output unit in rear portion (4), automatic gear shift apparatus (5), hydraulic control unit (6), Survey control integrated unit (7); It is characterized in that: input block (1) is connected with by the input end of test specimen (62), anterior output unit (2) is connected with by the anterior output terminal of test specimen (62), the left output unit in rear portion (3) is connected with by the rear portion output terminal of test specimen (62), the right output unit in rear portion (4) is connected with by the rear portion output terminal of test specimen (62), automatic gear shift apparatus (5) is connected with by test specimen (62) by gear shifting actuating mechanism (38), and hydraulic control unit (6) is connected with by the fluid pressure line of test specimen (62); Input block terminal box (11), anterior output unit terminal box (19), rear portion left output unit terminal box (28), the right output unit terminal box (35) in rear portion, hydraulic control unit terminal box (49) are connected by cable with testing table Data Control communication unit (59) respectively, and Survey control integrated unit (7) is connected with by test specimen (62).
2. tractor dynamic power shift Power Train Test Bench frame according to claim 1, it is characterized in that: in input block (1), safety clutch (12) one end is connected with drive motor (9), the other end is connected with input torque speed probe (13), first acceleration transducer (15) is arranged on input block protective device (14), input block protective device (14) covers safety clutch (12), input torque speed probe (13), above-mentioned each parts and input block terminal box (11) are arranged in input block mounting seat (8), the frequency converter (10) controlling drive motor is electrically connected with drive motor (9).
3. tractor dynamic power shift Power Train Test Bench frame according to claim 1, it is characterized in that: in anterior output unit (2), anterior offset teeth roller box (20) one end is connected with anterior loading motor (17), the other end is connected with anterior torque speed sensor (21), second acceleration transducer (23) is arranged on anterior output unit protective device (22), anterior output unit protective device (22) covers anterior torque speed sensor (21), above-mentioned each parts and anterior output unit terminal box (19) are arranged on anterior output unit mounting seat (16), the frequency converter (18) controlling anterior loading motor is connected with anterior loading motor (17).
4. tractor dynamic power shift Power Train Test Bench frame according to claim 1, it is characterized in that: in the left output unit in rear portion (3), left output unit wheel box (27) one end, rear portion is connected with the left loading motor in rear portion (25), the other end is connected with the left torque speed sensor in rear portion (29), rear portion left output unit protective device (30) covers the left torque speed sensor in rear portion (29), above-mentioned each parts and rear portion left output unit terminal box (28) are arranged on the left output unit mounting seat (24) in rear portion, the frequency converter (26) controlling the left loading motor in rear portion is connected with the left loading motor in rear portion (25).
5. tractor dynamic power shift Power Train Test Bench frame according to claim 1, it is characterized in that: the right output unit (4) at rear portion, right output unit wheel box (34) one end, rear portion is connected with the right loading motor in rear portion (32), the other end is connected with the right torque speed sensor in rear portion (36), rear portion right output unit protective device (37) covers the right torque speed sensor in rear portion (36), above-mentioned each parts and rear portion right output unit terminal box (35) are arranged on the right output unit mounting seat (31) in rear portion, the frequency converter (33) controlling the right loading motor in rear portion is connected with the right loading motor in rear portion (32).
6. tractor dynamic power shift Power Train Test Bench frame according to claim 1, it is characterized in that: in automatic gear shift apparatus (5), automatic gear shift apparatus guidance panel (39) is connected with gear shifting actuating mechanism (38) respectively with gearshift switch board (40).
7. tractor dynamic power shift Power Train Test Bench frame according to claim 1, it is characterized in that: in hydraulic control unit (6), the pump (41) of translator, three-way control valve (42), well heater (43), refrigeratory (44), filtrator (45), flow sensor (46) are connected in series, and on pipeline, being connected with pressure transducer (47), temperature sensor (48), hydraulic control unit terminal box (49) is fixed on the side of hydraulic control unit (6).
8. tractor dynamic power shift Power Train Test Bench frame according to claim 1, it is characterized in that: in Survey control integrated unit (7), pulse-width signal output unit (50), digital signal output unit (51), pressure signal collecting unit (52), temperature signal collection unit (53), acceleration signal collecting unit (54), tach signal collecting unit (55), flow signal acquisition unit (56), on-off model input block (57), be connected with testing table Data Control communication unit (59) respectively by test specimen measuring and control data communication unit (58), packaged type guidance panel (60) is connected with testing table Data Control communication unit (59), (61 are connected for testing table Data Control communication unit (59) and operation computer for controlling.
9. tractor dynamic power shift Power Train Test Bench frame according to claim 1, is characterized in that: the test method of tractor dynamic power shift Power Train Test Bench frame is as follows:
[1] with reference to by the technical requirement of test specimen (62), check by the machinery of test specimen (62), electric, whether hydraulic connecting state is normal;
[2] starting characteristics test stand, makes test-bed preheating more than 10 minutes;
[3] according to by the parameter request of test specimen (62), by weave by each Clutch Control curve of test specimen (62), alarm and protection parameter downloads in test operation program;
[4] will be placed in neutral gear position by test specimen (62) all gears, and start input block (1), raising speed, to the engine idle rotational that mated by test specimen (62), checks whether to be set up by test specimen (62) system pressure;
[5] check one by one by each clutch switch state of test specimen (62), and the pressure state of correspondence;
[6] according to testing requirements, use automatic gear shift apparatus (5) and Survey control integrated unit (7) for be arranged starting gear by test specimen (62);
[7] according to testing requirements, by input block (1) raising speed to specifying rotating speed;
[8] according to testing requirements, unloaded power shifting gear switch test is carried out to by test specimen (62);
[9] according to testing requirements, anterior output unit (2), the left output unit in rear portion (3), the right output unit in rear portion (4) is made to be loaded on regulation torque;
[10] according to testing requirements, power shifting gear switch test is carried to being carried out band by test specimen (62);
[11] anterior output unit (2), the left output unit in rear portion (3), the right output unit in rear portion (4) are offloaded to zero torque;
[12] by input block (1) reduction of speed to zero rotating speed, testing table is closed.
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| CN201510536857.XA CN105092264B (en) | 2015-08-27 | 2015-08-27 | Tractor dynamic power shift Power Train Test Bench frame and its test method |
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| CN201510536857.XA CN105092264B (en) | 2015-08-27 | 2015-08-27 | Tractor dynamic power shift Power Train Test Bench frame and its test method |
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| CN105577066A (en) * | 2015-12-31 | 2016-05-11 | 深圳飞安瑞电子科技有限公司 | Motor shift detection system |
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| CN110095278A (en) * | 2018-01-29 | 2019-08-06 | 宝山钢铁股份有限公司 | Bogie shift mechanism of automatic gearbox dynamic analog diagnostic device |
| CN113155450A (en) * | 2021-03-24 | 2021-07-23 | 西安法士特汽车传动有限公司 | Tractor axle box power assembly four-wheel drive loading test bench |
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