CN103471753B - Guide mechanism of multi-axle vehicle multi-axle-distance chassis dynamometer and guide method thereof - Google Patents
Guide mechanism of multi-axle vehicle multi-axle-distance chassis dynamometer and guide method thereof Download PDFInfo
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- CN103471753B CN103471753B CN201310450825.9A CN201310450825A CN103471753B CN 103471753 B CN103471753 B CN 103471753B CN 201310450825 A CN201310450825 A CN 201310450825A CN 103471753 B CN103471753 B CN 103471753B
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Abstract
The invention discloses a guide mechanism of a multi-axle vehicle multi-axle-distance chassis dynamometer and a guide method of the guide mechanism of the multi-axle vehicle multi-axle-distance chassis dynamometer. According to the guide mechanism of the multi-axle vehicle multi-axle-distance chassis dynamometer, a first transfer case is connected with a first transmission shaft through a connector, the first transmission shaft is connected with a third unit, the first transfer case is connected with a fourth unit through a fourth transmission shaft, a first unit and a second unit are connected through a third transmission shaft, the second unit and the third unit are connected through a second transmission shaft, the fourth unit and a fifth unit are connected through a fifth transmission shaft, all the units are on a guide rail and can transversely move along the guide rail, the units from the first one to the sixth one are connected through turbine worm systems from the first one to the fifth one, and a control system controls the turbine worm systems from the first one to the fifth one to push the units from the first one to the sixth one to move transversely. The guide mechanism of the multi-axle vehicle multi-axle-distance chassis dynamometer can guide the chassis dynamometer and also guide an axle-distance vehicle to carry out the chassis power test. The invention further relates to the guide method of the guide mechanism of the multi-axle vehicle multi-axle-distance chassis dynamometer.
Description
Technical field
The present invention relates to a kind of multiple-axle vehicle multiaxis apart from chassis dynamometer guide and bootstrap technique thereof, be applicable to the chassis dynamometer of the diaxon of examination disalignment distance, three axles, four axles, a 5-axle car performance, examination vehicle motor performance and car load dynamic property, as the object of the performance change such as starting, acceleration, climbing.
Background technology
In recent years, chassis dynamometer is widely used in the various operating conditions of simulated maneuver vehicle, and the purposes such as performance of motor vehicle test, the design of this type systematic, installation, use have very high difficulty.Existing a kind of multiple-axle vehicle multiaxis is apart from chassis dynamometer bootstrap technique background technology reference paper: the patent documentation " a kind of chassis dynamometer used for double-bridge-driving motor vehicle " that " research of heavy vehicle chassis dynamometer method of testing " that " Chinese measuring technology " the 35th phase " road simulation dynamometer key technology research ", " Beijing automobile " publish for 2011 and the patent No. are CN201120163830.8, notification number is CN202066632U.There is following deficiency:
1., by " road simulation dynamometer key technology research " and " research of heavy vehicle chassis dynamometer method of testing ", chassis dynamometer unit adopts double rotating drum structure, can only be applied to diaxon vehicle; Roller pitch is by vehicle customization, does not have guide, again will reequip the structure of whole dynamometer machine when detecting the vehicle of another kind of wheelbase;
2. press Chinese patent " a kind of chassis dynamometer used for double-bridge-driving motor vehicle ", guide adds guide rail, can regulating shaft distance automatically, and without the need to locating longitudinal direction of car, but all increase auxiliary cylinder, auxiliary roller axis bearing and major-minor cylinder strainer in front roll assembly in the unit and back roll assembly for this reason, cause that whole chassis dynamometer structure is more, volume is comparatively large, expense and occupation of land all larger.
The general character of several chassis dynamometer is also above: it all can not be used for measuring three axles, four axles, 5-axle car; Vehicle also cannot realize automatic location on chassis dynamometer, needs people for reach near position location and experiment cannot be exited from chassis dynamometer after terminating.
The domestic relevant laws and regulations lacking multi-axis chassis dynamometer machine at present, also do not have the chassis dynamometer that can detect multiple-axle vehicle, and the bootstrap technique of multiple-axle vehicle chassis dynamometer does not also see relevant report at present.
Summary of the invention
In order to solve the Chassis dynamometer booting problem of multiple-axle vehicle, the present invention proposes a kind of multiple-axle vehicle multiaxis apart from chassis dynamometer guide and bootstrap technique thereof.
The present invention is achieved in that a kind of multiple-axle vehicle multiaxis is apart from chassis dynamometer guide, and it comprises the first transfer case (11), first transmission shaft (13), second driving shaft (14), 3rd transmission shaft (15), 4th transmission shaft (16), 5th transmission shaft (17), guide rail (24), first turbine and worm system (40), second turbine and worm system (41), 3rd turbine and worm system (42), 4th turbine and worm system (43), 5th turbine and worm system (44), control system (10), a unit (18), No. two units (19), No. three units (20), No. four units (21), No. five units (22), No. six units (23), its connected mode: the first transfer case (11) connects the first transmission shaft (13) by connector (12), first transmission shaft (13) connects No. three units (20), first transfer case (11) is connected by the 4th transmission shaft (16) with No. four units (21), a unit (18) is connected by the 3rd transmission shaft (15) with No. two units (19), No. two units (19) are connected by second driving shaft (14) with No. three units (20), and No. four units (21) are connected by the 5th transmission shaft (17) with No. five units (22), all units are all in guide rail (24) top, and all unit energies move laterally along guide rail (24), connected by the first to the 5th turbine and worm system (40,41,42,43,44) between No. one to No. six unit (18,19,20,21,22,23), control system (10) controls the first to the 5th turbine and worm system (40,41,42,43,44) promotion No. one to No. six unit (18,19,20,21,22,23) and is doing transverse movement at guide rail (24),
A unit (18) comprising: commutator (25), pneumatic clutch (26), first cylinder (29), second tin roller (30), 3rd cylinder (31), 4th cylinder (32), first lifting mechanism (27), second lifting mechanism (28), shaft coupling (33), frame (35), its connected mode is: commutator (25) is connected by pneumatic clutch (26) with second tin roller (30), second tin roller (30) is connected by shaft coupling (33) with the 3rd cylinder (31), first cylinder (29) is connected by shaft coupling (33) with the 4th cylinder (32), the first lifting mechanism (27) is had in the middle of first cylinder (29) and second tin roller (30), the second lifting mechanism (28) is had in the middle of 3rd cylinder (31) and the 4th cylinder (32), be connected with synchronous pulley (34) by Timing Belt between 3rd cylinder (31) and the 4th cylinder (32),
The structure of No. two units (19), No. three units (20), No. four units (21), No. five units (22) is identical with the structure of a unit (18), and the structure of a structural rate unit (19) of No. six units (23) has lacked commutator (25) and pneumatic clutch (26); Each unit and the sequence of the first transfer case (11) on guide rail (24) are turned left from the right side and are followed successively by: No. six units (23), No. five units (22), No. four units (21), the first transfer case (11), No. three units (20), No. two units (19), a unit (18), and No. one to No. six unit (18,19,20,21,22,23) is placed in alignment on guide rail (24);
First to the 5th turbine and worm system (40,41,42,43,44) structure is identical, each turbine and worm system comprises: the first worm screw (50), the second worm screw (51), the 3rd worm screw (48), the second transfer case (47), the 3rd transfer case (49), power input shaft (46), its connected mode is: the first worm screw (50) is connected with the 3rd worm screw (48) by the 3rd transfer case (49), 3rd worm screw (48) is connected with the second worm screw (51) by the second transfer case (47), and power input shaft (46) is connected with the second transfer case (47); The working method of each turbine and worm system is: power input shaft (46) receives promotion the 3rd worm screw (48) and rotates, 3rd worm screw (48) rotarily drives the first worm screw (50) and the second worm screw (51) rotates, and the vehicle that the first worm screw (50) and the second worm screw (51) rotarily drive above moves forward and backward.
The present invention also provides above-mentioned multiple-axle vehicle multiaxis apart from the bootstrap technique of chassis dynamometer guide, it arrives chassis dynamometer position for guiding multiple-axle vehicle, and the unit of chassis dynamometer is positioned, when this multiple-axle vehicle multiaxis is diaxon vehicle multiple-shaft distance chassis dynamometer guide apart from chassis dynamometer guide, this bootstrap technique comprises the following steps:
Step one, control system (10) controls first lifting mechanism (27) of each unit and the second lifting mechanism (28) is in lifting state, control system (10) controls the 4th turbine and worm system (43) and promotes No. five units (22) near ground right-hand member, and control system (10) controls the 5th turbine and worm system (44) and promotes No. six units (23) near ground right-hand member;
Step 2, makes vehicle rear wheel be in No. five unit (22) centers by vehicle backing;
Step 3, control system (10) controls the 4th turbine and worm system (43) promotion No. five units (22) and is moved to the left along guide rail (24), until vehicle front-wheel is in No. six unit (23) centers;
Step 4, control system (10) control the 4th turbine and worm system (43) promotes No. five units (22) respectively with the 5th turbine and worm system (44) and is moved to the left along guide rail (24) with identical speed with No. six units (23), until No. five units (22) stop promotion No. five unit (22) motions after contacting with No. four units (21), until No. six units (23) stop promotion No. six unit (23) motions after contacting with No. five units (22);
Step 5, makes vehicle front-wheel be in No. five unit (22) centers by vehicle backing;
Step 6, control system (10) controls the 4th turbine and worm system (43) promotion No. five units (22) and moves right along guide rail (24), until vehicle rear wheel is in No. six unit (23) centers;
Step 7, control system (10) controls the first lifting mechanism (27) and the second lifting mechanism (28) decline of No. five units (22) and No. four units (21), connects the commutator (25) of No. four units (21) and the commutator (25) of No. five units (22) with the 5th transmission shaft (17) simultaneously;
Step 8, carries out Chassis dynamometer experiment by vehicle.
As the further improvement of such scheme, when this multiple-axle vehicle multiaxis is six-wheel vehicle multiaxis distance chassis dynamometer guide apart from chassis dynamometer guide, this bootstrap technique comprises the following steps:
Select the 4th transmission shaft (16) between the commutator (25) of step one, No. four units (21) and the first transfer case (11) right-hand member and connect always, control system (10) controls first lifting mechanism (27) of each unit and the second lifting mechanism (28) is in lifting state, and control system (10) controls the 4th turbine and worm system (43) and the 5th turbine and worm system (44) promotes No. five units (22) and No. six close ground right-hand members of units (23) respectively;
Step 2, control system (10) control the 3rd turbine and worm system (42) promotion No. three units (20) and move to No. four unit (21) left ends, No. three units (20) are made to be the distance of vehicle one axle to two axles to the distance of No. four units (21), control system (10) controls the second turbine and worm system 41 and promotes No. two units (19) and move to No. three unit (20) left ends, makes No. two units (19) to No. three units (20) distances for vehicle two axle is to the distance of three axles;
Step 3, use the first transmission shaft 13 to connect the commutator (25) of the first transfer case (11) and No. three units (20), use detachable second driving shaft (14) to connect the commutator (25) of No. three units (20) and the commutator (25) of No. two units (19);
Step 4, vehicle rear wheel is made to be in No. five unit (22) centers vehicle backing;
Step 5, control system (10) control the 4th turbine and worm system (43) promotes No. five units (22) respectively with the 5th turbine and worm system (44) and is moved to the left along guide rail (24) with identical speed with No. six units (23), until No. five units (22) stop promotion No. five unit (22) motions after contacting with No. four units (21), until No. six units (23) stop promotion No. six unit (23) motions after contacting with No. five units (22);
Step 6, vehicle front-wheel is made to be in No. four unit (21) centers vehicle backing;
Step 7, control system (10) control No. four units (21), first lifting mechanism (27) of No. three units (20) and No. two units (19) and the second lifting mechanism (28) decline, and vehicle carries out Chassis dynamometer experiment.
As the further improvement of such scheme, when this multiple-axle vehicle multiaxis is four-axle vehicle multiaxis distance chassis dynamometer guide apart from chassis dynamometer guide, this bootstrap technique comprises the following steps:
Selecting the 4th transmission shaft (16) and being connected to always between the commutator (25) of step one, No. four units (21) and the first transfer case (11) right-hand member, control system (10) controls first lifting mechanism (27) of each unit and the second lifting mechanism (28) is in lifting state, and control system (10) controls the 4th turbine and worm system (43) and the 5th turbine and worm system (44) promotes No. five units (22) and No. six close ground right-hand members of units (23) respectively;
Step 2, control system (10) controls the 3rd turbine and worm system (42) promotion No. three units (20) and moves to No. four unit (21) left ends, No. three units (20) are made to be the distance of vehicle one axle to two axles to the distance of No. four units (21), control system (10) controls the second turbine and worm system (41) promotion No. two units (19) and moves to No. three unit (20) left ends, No. two units (19) are made to be the distance of vehicle two axle to three axles to the distance of No. three units (20), control system (10) controls the first turbine and worm system (40) and promotes unit (18) arrival No. two unit (19) left ends, a unit (18) is made to be the distance of vehicle three axle to four axles to the distance of No. two units (19),
Step 3, the first transmission shaft (13) is used to connect the commutator (25) of the first transfer case (11) and No. three units (20), use second driving shaft (14) to connect the commutator (25) of No. three units (20) and the commutator (25) of No. two units (19), use the 3rd transmission shaft (15) to connect the commutator (25) of No. two units (19) and the commutator (25) of a unit (18);
Step 4, vehicle rear wheel is made to be in No. five unit (22) centers vehicle backing;
Step 5, control system (10) control the 4th turbine and worm system (43) promotes No. five units (22) respectively with the 5th turbine and worm system (44) and is moved to the left along guide rail (24) with identical speed with No. six units (23), until No. five units (22) stop promotion No. five unit (22) motions after contacting with No. four units (21), until No. six units (23) stop promotion No. six unit (23) motions after contacting with No. five units (22);
Step 6, vehicle front-wheel is made to be in No. four unit (21) centers vehicle backing;
Step 7, control system (10) control No. four units (21), No. three units (20), first lifting mechanism (27) of No. two units (19) and a unit (18) and the second lifting mechanism (28) decline, and vehicle carries out Chassis dynamometer experiment.
As the further improvement of such scheme, when this multiple-axle vehicle multiaxis apart from chassis dynamometer guide be a 5-axle car multiaxis apart from chassis dynamometer guide time, this bootstrap technique comprises the following steps:
Selecting the 4th transmission shaft (16) and connecting always between the commutator (25) of step one, No. four units (21) and the first transfer case (11) right-hand member, control system (10) controls first lifting mechanism (27) of each unit and the second lifting mechanism (28) is in lifting state, and control system controls the 4th turbine and worm system (43) and the 5th turbine and worm system (44) promotes No. five units (22) and No. six close ground right-hand members of units (23) respectively;
Step 2, control system (10) controls the 3rd turbine and worm system (42) promotion No. three units (20) and moves to No. four unit (21) left ends, No. three units (20) are made to be the distance of vehicle two axle to three axles to the distance of No. four units (21), control system (10) controls the second turbine and worm system (41) promotion No. two units (19) and moves to No. three unit (20) left ends, No. two units (19) are made to be the distance of vehicle three axle to four axles to the distance of No. three units (20), control system (10) controls the first turbine and worm system (40) and promotes unit (18) arrival No. two unit (19) left ends, a unit (18) is made to be the distance of vehicle four axle to five axles to the distance of No. two units (19),
Step 3, the first transmission shaft (13) is used to connect the commutator (25) of the first transfer case (11) and No. three units (20), use second driving shaft (14) to connect the commutator (25) of No. three units (20) and the commutator (25) of No. two units (19), use the 3rd transmission shaft (15) to connect the commutator (25) of No. two units (19) and the commutator (25) of a unit (18);
Step 4, vehicle rear wheel is made to be in No. five unit (22) centers vehicle backing;
Step 5, control system (10) control the 4th turbine and worm system (43) promotes No. five units (22) respectively with the 5th turbine and worm system (44) and is moved to the left along guide rail (24) with identical speed with No. six units (23), until No. five units (22) stop promotion No. five unit (22) motions after contacting with No. four units (21), until No. six units (23) stop promotion No. six unit (23) motions after contacting with No. five units (22);
Step 6, vehicle front-wheel is made to be in No. four unit (21) centers vehicle backing;
Step 7, control system (10) control the 4th turbine and worm system (43) and promote No. five units (22) arrival No. four unit (21) right-hand members, make No. five units (22) be the distance of vehicle two axle to an axle to the distance of No. four units (21), use the 5th transmission shaft (17) to connect the commutator (25) of No. four units (21) and the commutator (25) of No. five units (22);
Step 8, vehicle front-wheel is made to be in No. five unit (22) centers vehicle backing;
Step 9, control system (10) control No. five units (22), No. four units (21), No. three units (20), first lifting mechanism (27) of No. two units (19) and a unit (18) and the second lifting mechanism (28) decline, and vehicle carries out Chassis dynamometer experiment.
As the further improvement of such scheme, this multiple-axle vehicle multiaxis when guided vehicle exits, guides multiple-axle vehicle to leave chassis dynamometer position according to following steps apart from chassis dynamometer guide:
After the experiment of step one, Chassis dynamometer terminates, control system (10) controls first lifting mechanism (27) of all units and the second lifting mechanism (28) is in lifting state, unloads the 5th transmission shaft (17) of the commutator (25) of connection No. four units (21) and the commutator (25) of No. five units (22);
Step 2, control system (10) control the 4th turbine and worm system (43) promotion No. five units (22) and touch No. four units (21);
Step 3, vehicle moved right make vehicle front-wheel be in No. six unit (23) centers;
Step 4, control system (10) control the 5th) turbine and worm system (44) promotes No. six units (23) along guide rail (24) to the right until vehicle rear wheel is in No. five unit (22) centers;
Step 5, control system (10) control the 4th turbine and worm system (43) promotes No. five units (22) respectively with the 5th turbine and worm system (44) and moves right along guide rail (24) with identical speed with No. six units (23), until No. six units (23) contact with ground stop promotion No. six unit (23) motions, until No. five units (22) contact with No. six units (23) stop promotion No. five unit (22) motions;
Step 6, directly vehicle to be outputed.
The present invention has the following advantages:
1, Chassis dynamometer guiding can be carried out to 2 axles, 3 axles, 4 axles, 5 axle vehicles;
2, Chassis dynamometer can be carried out apart from vehicle by leading axle;
3, vehicle can realize automatic location on chassis dynamometer, does not need people for reach near position location and experiment terminates automatically to exit from chassis dynamometer afterwards.
Accompanying drawing explanation
Fig. 1 is the structural representation of multiple-axle vehicle multiaxis apart from chassis dynamometer guide.
Fig. 2 is the structural representation of wherein one group of hoisting system in Fig. 1.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is the structural representation of one of them turbine and worm system in Fig. 1.
Fig. 5 is the structural representation in Fig. 1 between each turbine and worm system.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
See also Fig. 1 and Fig. 5, it is the structural representation of multiple-axle vehicle multiaxis of the present invention apart from chassis dynamometer guide.This multiple-axle vehicle multiaxis comprises the first transfer case 11 apart from chassis dynamometer guide, first transmission shaft 13, second driving shaft 14, 3rd transmission shaft 15, 4th transmission shaft 16, 5th transmission shaft 17, guide rail 24, first turbine and worm system 40, second turbine and worm system 41, 3rd turbine and worm system 42, 4th turbine and worm system 43, 5th turbine and worm system 44, control system 10, a unit 18, No. two units 19, No. three units 20, No. four units 21, No. five units 22, No. six units 23.Connected mode: the first transfer case 11 connects the first transmission shaft 13 by connector 12, first transmission shaft 13 connects No. three units 20, first transfer case 11 is connected by the 4th transmission shaft 16 with No. four units 21, a unit 18 is connected by the 3rd transmission shaft 15 with No. two units 19, No. two units 19 are connected by second driving shaft 14 with No. three units 20, and No. four units 21 are connected by the 5th transmission shaft 17 with No. five units 22; All units are all above guide rail 24, and all unit energies move laterally along guide rail 24; Connected by the first to the 5th turbine and worm system 40,41,42,43,44 between No. one to No. six unit 18,19,20,21,22,23, control system 10 controls the first to the 5th turbine and worm system 40,41,42,43,44 promotion No. one to No. six unit 18,19,20,21,22,23 and is doing transverse movement at guide rail 24.
A unit 18 comprises: commutator 25, pneumatic clutch 26, first cylinder 29, second tin roller 30, the 3rd cylinder 31, the 4th cylinder 32, first lifting mechanism 27, second lifting mechanism 28, shaft coupling 33, frame 35.The mode of connecing is: commutator 25 is connected by pneumatic clutch 26 with second tin roller 30, second tin roller 30 is connected by shaft coupling 33 with the 3rd cylinder 31, first cylinder 29 is connected by shaft coupling 33 with the 4th cylinder 32, the first lifting mechanism 27 is had in the middle of first cylinder 29 and second tin roller 30, have between the second lifting mechanism the 28, three cylinder 31 and the 4th cylinder 32 in the middle of 3rd cylinder 31 and the 4th cylinder 32 and be connected with synchronous pulley 34 by Timing Belt.
The structure of No. two units 19, No. three units 20, No. four units 21, No. five units 22 is identical with the structure of a unit 18, and the structure of a structural rate unit 19 of No. six units 23 has lacked commutator 25 and pneumatic clutch 26.Each unit and the first sequence of transfer case 11 on guide rail 24 are turned left from the right side and are followed successively by: No. six units 23, No. five units 22, No. four unit 21, first transfer cases, 11, No. three units, 20, No. two units, 19, unit 18, No. one to No. six units 18,19,20,21,22,23 are placed in alignment on guide rail 24.
First to the 5th turbine and worm system 40,41,42,43,44 structure is identical, and each turbine and worm system comprises: the first worm screw 50, second worm screw 51, the 3rd worm screw 48, second transfer case 47, the 3rd transfer case 49, power input shaft 46.Connected mode is: the first worm screw 50 is connected with the 3rd worm screw 48 by the 3rd transfer case 49, and the 3rd worm screw 48 is connected with the second worm screw 51 by the second transfer case 47, and power input shaft 46 is connected with the second transfer case 47.The working method of each turbine and worm system is: power input shaft 46 receives promotion the 3rd worm screw 48 and rotates, 3rd worm screw 48 rotarily drives the first worm screw 50 and the second worm screw 51 rotates, and the vehicle that the first worm screw 50 and the second worm screw 51 rotarily drive above moves forward and backward.
Embodiment 1:
The diaxon vehicle of tested vehicle to be wheelbase be 2678mm.
1. controller i.e. (control system 10) controls each unit hoisting system i.e. (first lifting mechanism 27 and the second lifting mechanism 28) and is in lifting state, and control system 10 controls the 4th turbine and worm system 43 and the 5th turbine and worm system 44 and promotes No. five units 22 and No. six units 23 respectively near ground right-hand member; 2. laboratory technician controls vehicle backing and makes vehicle rear wheel be in No. five unit 22 centers; 3. control system 10 controls the 4th turbine and worm system 43 and promotes No. five units 22 and be moved to the left 2678mm along guide rail 24;
4. control system 10 controls the 4th turbine and worm system 43 and promotes No. five units 22 with the 5th turbine and worm system 44 and be moved to the left along guide rail 24 with identical speed with No. six units 23, move until No. five units 22 contact rear stopping promotion No. five units 22 with No. four units 21, move until No. six units 23 contact rear stopping promotion No. six units 23 with No. five units 22;
5. laboratory technician controls vehicle backing and makes vehicle front-wheel be in No. five unit 22 centers;
6. control system 10 controls turbine and worm system 43 and promotes No. five units 22 and to move right 2678mm along guide rail 24;
7. control system 10 controls the hoisting system decline of No. five units 22 and No. four units 21, connects the commutator 25 of No. four units 21 and the commutator 25 of No. five units 22 with detachable 5th transmission shaft 17 that length is 2378mm simultaneously;
8 vehicles carry out Chassis dynamometer experiment;
9., after Chassis dynamometer experiment terminates, control system 10 controls all unit hoisting systems and is in lifting state, unloads detachable 5th transmission shaft 17 of the commutator 25 of connection No. four units 21 and the commutator 25 of No. five units 22;
10 control system 10 control the 4th turbine and worm system 43 and the 5th turbine and worm system 44 and promote No. five units 22 and No. six units 23 respectively with identical speed along guide rail 24 to left movement 2100mm, and now the left end of No. five units 22 touches No. four units 21;
11. laboratory technicians control vehicle and move right and make vehicle front-wheel be in No. six unit 23 centers;
12. control system 10 control the 5th turbine and worm system 44 and promote No. six units 23 and move right 2678mm along guide rail 24;
13. control system 10 control the 4th turbine and worm system 43 and promote No. five units 22 respectively with the 5th turbine and worm system 44 and move right along guide rail 24 with identical speed with No. six units 23, stop promotion No. six units 23 to move until No. six units 23 contact with ground, stop promotion No. five units 22 to move until No. five units 22 contact with No. six units 23;
Vehicle is directly outputed by 14. laboratory technicians.
Embodiment 2:
Tested vehicle is that between the first axle and the second axle, wheelbase is 3475mm, and between the second axle and the 3rd axle, wheelbase is the six-wheel vehicle of 1250mm.
1. detachable 4th transmission shaft 16 between the commutator 25 of No. four units 21 and the first transfer case 11 right-hand member is 300mm, and connects always; Control system 10 controls each unit hoisting system and is in lifting state, and control system 10 controls the 4th turbine and worm system 43 and the 5th turbine and worm system 44 and promotes No. five units 22 and No. six units 23 respectively near ground right-hand member;
2. control system 10 controls the 3rd turbine and worm system 42 and promotes No. three units 20 and move to No. four unit 21 left end 3475mm, and control system 10 controls the second turbine and worm system 41 and promotes No. two units 19 and move to No. three unit 20 left end 1250mm;
3. detachable first transmission shaft 13 that use length is 2575mm connects the commutator 25 of the first transfer case 11 and No. three units, uses the detachable second driving shaft 14 that length is 950mm to connect the commutator 25 of No. three units 20 and the commutator 25 of No. two units 19;
4. laboratory technician controls vehicle backing and makes vehicle rear wheel be in No. five unit 22 centers;
5. control system 10 controls the 4th turbine and worm system 43 and promotes No. five units 22 respectively with the 5th turbine and worm system 44 and be moved to the left along guide rail 24 with identical speed with No. six units 23, move until No. five units 22 contact rear stopping promotion No. five units 22 with No. four units 21, move until No. six units 23 contact rear stopping promotion No. six units 23 with No. five units 22;
6. laboratory technician controls vehicle backing and makes vehicle front-wheel be in No. four unit 21 centers;
7. control system 10 controls the hoisting system decline of No. four units 21, No. three units 20 and No. two units 19, and vehicle carries out Chassis dynamometer experiment;
8., after Chassis dynamometer experiment terminates, control system 10 controls all unit hoisting systems and is in lifting state;
9. laboratory technician controls vehicle backing and makes vehicle front-wheel be in No. six unit 23 centers;
10. control system 10 controls the 5th turbine and worm system 44 and promotes No. six units 23 and move right 4725mm along guide rail 24;
11. control system 10 control the 4th turbine and worm system 43 and promote No. five units 22 respectively with the 5th turbine and worm system 44 and move right along guide rail 24 with identical speed with No. six units 23, stop promotion No. six units 23 to move until No. six units 23 contact with ground, stop promotion No. five units 22 to move until No. five units 22 contact with No. six units 23;
Vehicle is directly outputed by 12. laboratory technicians.
Embodiment 3:
Tested vehicle is that between the first axle and the second axle, wheelbase is 1950mm, and between the second axle and the 3rd axle, wheelbase is 3500mm, and the wheelbase between the 3rd axle and the 4th axle is the four-axle vehicle of 1400mm.
1. the detachable transmission shaft 16 between the commutator 25 of No. four units 21 and the first transfer case 11 right-hand member is 300mm, and connects always; Control system 10 controls each unit hoisting system 27 and 28 and is in lifting state, and control system 10 controls the 4th turbine and worm system 43 and the 5th turbine and worm system 44 and promotes No. five units 22 and No. six units 23 respectively near ground right-hand member;
2. control system 10 controls the 3rd turbine and worm system 42 and promotes No. three units 20 and move to No. four unit 21 left end 1950mm, control system 10 controls the second turbine and worm system 41 and promotes No. two units 19 and move to No. three unit 20 left end 3500mm, and control system 10 controls the first turbine and worm system 40 and promotes a unit 18 and arrive No. two unit 19 left end 1400mm;
3. detachable first transmission shaft 13 that use length is 1050mm connects the commutator 25 of the first transfer case 11 and No. three units 20, use the detachable second driving shaft 14 that length is 3200mm to connect the commutator 25 of No. three units 20 and the commutator 25 of No. two units 19, use detachable 3rd transmission shaft 15 that length is 1100mm to connect the commutator 25 of No. two units 19 and the commutator 25 of a unit 18;
4. laboratory technician controls vehicle backing and makes vehicle rear wheel be in No. five unit 22 centers;
5. control system 10 controls the 4th turbine and worm system 43 and promotes No. five units 22 respectively with the 5th turbine and worm system 44 and be moved to the left along guide rail 24 with identical speed with No. six units 23, move until No. five units 22 contact rear stopping promotion No. five units 22 with No. four units 21, move until No. six units 23 contact rear stopping promotion No. six units 23 with No. five units 22;
6. laboratory technician controls vehicle backing and makes vehicle front-wheel be in No. four unit 21 centers;
7. control system 10 controls hoisting system 27 and 28 decline of No. four units 21, No. three units, 20, No. two units 19 and a unit 18, and vehicle carries out Chassis dynamometer experiment;
8., after Chassis dynamometer experiment terminates, control system 10 controls all unit hoisting systems and is in lifting state;
9. laboratory technician controls vehicle backing and makes vehicle front-wheel be in No. six unit 23 centers;
10. control system 10 controls the 5th turbine and worm system 44 and promotes No. six units 23 and move right 6850mm along guide rail 24;
11. control system 10 control the 4th turbine and worm system 43 and promote No. five units 22 respectively with the 5th turbine and worm system 44 and move right along guide rail 24 with identical speed with No. six units 23, stop promotion No. six units 23 to move until No. six units 23 contact with ground, stop promotion No. five units 22 to move until No. five units 22 contact with No. six units 23;
Vehicle is directly outputed by 12. laboratory technicians.
Embodiment 4:
Tested vehicle is that between the first axle and the second axle, wheelbase is 1900mm, between the second axle and the 3rd axle, wheelbase is 3600mm, and the wheelbase between the 3rd axle and the 4th axle is 1400mm, and the wheelbase between the 4th axle and the 5th axle is the 5-axle car of 1400.
1. detachable 4th transmission shaft 16 between the commutator 25 of No. four units 21 and the first transfer case 11 right-hand member is 300mm, and connects always; Control system 10 controls each unit hoisting system and is in lifting state, and control system 10 controls the 4th turbine and worm system 43 and the 5th turbine and worm system 44 and promotes No. five units 22 and No. six units 23 respectively near ground right-hand member;
2. control system 10 controls the 3rd turbine and worm system 42 and promotes No. three units 20 and move to No. four unit 21 left end 3600mm, control system 10 controls the second turbine and worm system 41 and promotes No. two units 19 and move to No. three unit 20 left end 1400mm, and control system 10 controls the first turbine and worm system 40 and promotes a unit 18 and arrive No. two unit 19 left end 1400mm;
3. the detachable transmission shaft 13 that use length is 2500mm connects the commutator 25 of transfer case 11 and No. three units 20, use the detachable transmission shaft 14 that length is 1100mm to connect the commutator 25 of No. three units 20 and the commutator 25 of No. two units 19, use detachable 3rd transmission shaft 15 that length is 1100mm to connect the commutator 25 of No. two units 19 and the commutator 25 of a unit 18;
4. laboratory technician controls vehicle backing and makes vehicle rear wheel be in No. five unit 22 centers;
5. control system 10 controls the 4th turbine and worm system 43 and promotes No. five units 22 respectively with the 5th turbine and worm system 44 and be moved to the left along guide rail 24 with identical speed with No. six units 23, move until No. five units 22 contact rear stopping promotion No. five units 22 with No. four units 21, move until No. six units 23 contact rear stopping promotion No. six units 23 with No. five units 22;
6. laboratory technician controls vehicle backing and makes vehicle front-wheel be in No. four unit 21 centers;
7. control system 10 controls the 4th turbine and worm system 43 and promotes No. five units 22 and arrive No. four unit 21 right-hand member 1900mm, and choosing uses detachable 5th transmission shaft 17 that length is 1600mm to connect the commutator 25 of No. four units 21 and the commutator 25 of No. five units 22;
8. laboratory technician controls vehicle backing and makes vehicle front-wheel be in No. five unit 22 centers;
9. control system 10 controls the hoisting system decline of No. five units 22, No. four units 21, No. three units, 20, No. two units 19 and a unit 18, and vehicle carries out Chassis dynamometer experiment;
10., after Chassis dynamometer experiment terminates, control system 10 controls all unit hoisting systems and is in lifting state;
11. laboratory technicians control vehicle backing and make vehicle front-wheel be in No. six unit 23 centers;
12. control system 10 control the 5th turbine and worm system 44 and promote 23 groups, No. six machines and move right 8300mm along guide rail 24;
13. control system 10 control the 4th turbine and worm system 43 and promote No. five units 22 respectively with the 5th turbine and worm system 44 and move right along guide rail 24 with identical speed with No. six units 23, stop promotion No. six units 23 to move until No. six units 23 contact with ground, stop promotion No. five units 22 to move until No. five units 22 contact with No. six units 23;
Vehicle is directly outputed by 14. laboratory technicians.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. multiple-axle vehicle multiaxis is apart from a chassis dynamometer guide, and it is characterized in that, it comprises the first transfer case (11), first transmission shaft (13), second driving shaft (14), 3rd transmission shaft (15), 4th transmission shaft (16), 5th transmission shaft (17), guide rail (24), first turbine and worm system (40), second turbine and worm system (41), 3rd turbine and worm system (42), 4th turbine and worm system (43), 5th turbine and worm system (44), control system (10), a unit (18), No. two units (19), No. three units (20), No. four units (21), No. five units (22), No. six units (23), its connected mode: the first transfer case (11) connects the first transmission shaft (13) by connector (12), first transmission shaft (13) connects No. three units (20), first transfer case (11) is connected by the 4th transmission shaft (16) with No. four units (21), a unit (18) is connected by the 3rd transmission shaft (15) with No. two units (19), No. two units (19) are connected by second driving shaft (14) with No. three units (20), and No. four units (21) are connected by the 5th transmission shaft (17) with No. five units (22), all units are all in guide rail (24) top, and all unit energies move laterally along guide rail (24), connected by the first to the 5th turbine and worm system (40,41,42,43,44) between No. one to No. six unit (18,19,20,21,22,23), control system (10) controls the first to the 5th turbine and worm system (40,41,42,43,44) promotion No. one to No. six unit (18,19,20,21,22,23) and is doing transverse movement at guide rail (24),
A unit (18) comprising: commutator (25), pneumatic clutch (26), first cylinder (29), second tin roller (30), 3rd cylinder (31), 4th cylinder (32), first lifting mechanism (27), second lifting mechanism (28), shaft coupling (33), frame (35), its connected mode is: commutator (25) is connected by pneumatic clutch (26) with second tin roller (30), second tin roller (30) is connected by shaft coupling (33) with the 3rd cylinder (31), first cylinder (29) is connected by shaft coupling (33) with the 4th cylinder (32), the first lifting mechanism (27) is had in the middle of first cylinder (29) and second tin roller (30), the second lifting mechanism (28) is had in the middle of 3rd cylinder (31) and the 4th cylinder (32), be connected with synchronous pulley (34) by Timing Belt between 3rd cylinder (31) and the 4th cylinder (32),
The structure of No. two units (19), No. three units (20), No. four units (21), No. five units (22) is identical with the structure of a unit (18), and the structure of a structural rate unit (19) of No. six units (23) has lacked commutator (25) and pneumatic clutch (26); Each unit and the sequence of the first transfer case (11) on guide rail (24) are turned left from the right side and are followed successively by: No. six units (23), No. five units (22), No. four units (21), the first transfer case (11), No. three units (20), No. two units (19), a unit (18), and No. one to No. six unit (18,19,20,21,22,23) is alignd placement on guide rail (24);
First to the 5th turbine and worm system (40, 41, 42, 43, 44) structure is identical, each turbine and worm system comprises: the first worm screw (50), second worm screw (51), 3rd worm screw (48), second transfer case (47), 3rd transfer case (49), power input shaft (46), its connected mode is: the first worm screw (50) is connected with the 3rd worm screw (48) by the 3rd transfer case (49), 3rd worm screw (48) is connected with the second worm screw (51) by the second transfer case (47), power input shaft (46) is connected with the second transfer case (47), the working method of each turbine and worm system is: power input shaft (46) receives promotion the 3rd worm screw (48) and rotates, 3rd worm screw (48) rotarily drives the first worm screw (50) and the second worm screw (51) rotates, and the vehicle that the first worm screw (50) and the second worm screw (51) rotarily drive above moves forward and backward.
2. the bootstrap technique of a multiple-axle vehicle multiaxis distance chassis dynamometer guide as claimed in claim 1, it is characterized in that: it arrives chassis dynamometer position for guiding multiple-axle vehicle, and the unit of chassis dynamometer is positioned, when this multiple-axle vehicle multiaxis is diaxon vehicle multiple-shaft distance chassis dynamometer guide apart from chassis dynamometer guide, this bootstrap technique comprises the following steps:
Step one, control system (10) controls first lifting mechanism (27) of each unit and the second lifting mechanism (28) is in lifting state, control system (10) controls the 4th turbine and worm system (43) and promotes No. five units (22) near ground right-hand member, and control system (10) controls the 5th turbine and worm system (44) and promotes No. six units (23) near ground right-hand member;
Step 2, makes vehicle rear wheel be in No. five unit (22) centers by vehicle backing;
Step 3, control system (10) controls the 4th turbine and worm system (43) promotion No. five units (22) and is moved to the left along guide rail (24), until vehicle front-wheel is in No. six unit (23) centers;
Step 4, control system (10) control the 4th turbine and worm system (43) promotes No. five units (22) respectively with the 5th turbine and worm system (44) and is moved to the left along guide rail (24) with identical speed with No. six units (23), until No. five units (22) stop promotion No. five unit (22) motions after contacting with No. four units (21), until No. six units (23) stop promotion No. six unit (23) motions after contacting with No. five units (22);
Step 5, makes vehicle front-wheel be in No. five unit (22) centers by vehicle backing;
Step 6, control system (10) controls the 4th turbine and worm system (43) promotion No. five units (22) and moves right along guide rail (24), until vehicle rear wheel is in No. six unit (23) centers;
Step 7, control system (10) controls the first lifting mechanism (27) and the second lifting mechanism (28) decline of No. five units (22) and No. four units (21), connects the commutator (25) of No. four units (21) and the commutator (25) of No. five units (22) with the 5th transmission shaft (17) simultaneously;
Step 8, carries out Chassis dynamometer experiment by vehicle.
3. the bootstrap technique of a multiple-axle vehicle multiaxis distance chassis dynamometer guide as claimed in claim 1, it is characterized in that: it arrives chassis dynamometer position for guiding multiple-axle vehicle, and the unit of chassis dynamometer is positioned, when this multiple-axle vehicle multiaxis is six-wheel vehicle multiaxis distance chassis dynamometer guide apart from chassis dynamometer guide, this bootstrap technique comprises the following steps:
Select the 4th transmission shaft (16) between the commutator (25) of step one, No. four units (21) and the first transfer case (11) right-hand member and connect always, control system (10) controls first lifting mechanism (27) of each unit and the second lifting mechanism (28) is in lifting state, and control system (10) controls the 4th turbine and worm system (43) and the 5th turbine and worm system (44) promotes No. five units (22) and No. six close ground right-hand members of units (23) respectively;
Step 2, control system (10) control the 3rd turbine and worm system (42) promotion No. three units (20) and move to No. four unit (21) left ends, No. three units (20) are made to be the distance of vehicle one axle to two axles to the distance of No. four units (21), control system (10) controls the second turbine and worm system (41) promotion No. two units (19) and moves to No. three unit (20) left ends, makes No. two units (19) to No. three units (20) distances for vehicle two axle is to the distance of three axles;
Step 3, use the first transmission shaft (13) to connect the commutator (25) of the first transfer case (11) and No. three units (20), use detachable second driving shaft (14) to connect the commutator (25) of No. three units (20) and the commutator (25) of No. two units (19);
Step 4, vehicle rear wheel is made to be in No. five unit (22) centers vehicle backing;
Step 5, control system (10) control the 4th turbine and worm system (43) promotes No. five units (22) respectively with the 5th turbine and worm system (44) and is moved to the left along guide rail (24) with identical speed with No. six units (23), until No. five units (22) stop promotion No. five unit (22) motions after contacting with No. four units (21), until No. six units (23) stop promotion No. six unit (23) motions after contacting with No. five units (22);
Step 6, vehicle front-wheel is made to be in No. four unit (21) centers vehicle backing;
Step 7, control system (10) control No. four units (21), first lifting mechanism (27) of No. three units (20) and No. two units (19) and the second lifting mechanism (28) decline, and vehicle carries out Chassis dynamometer experiment.
4. the bootstrap technique of a multiple-axle vehicle multiaxis distance chassis dynamometer guide as claimed in claim 1, it is characterized in that: it arrives chassis dynamometer position for guiding multiple-axle vehicle, and the unit of chassis dynamometer is positioned, when this multiple-axle vehicle multiaxis is four-axle vehicle multiaxis distance chassis dynamometer guide apart from chassis dynamometer guide, this bootstrap technique comprises the following steps:
Select the 4th transmission shaft (16) between the commutator (25) of step one, No. four units (21) and the first transfer case (11) right-hand member and connect always, control system (10) controls first lifting mechanism (27) of each unit and the second lifting mechanism (28) is in lifting state, and control system (10) controls the 4th turbine and worm system (43) and the 5th turbine and worm system (44) promotes No. five units (22) and No. six close ground right-hand members of units (23) respectively;
Step 2, control system (10) controls the 3rd turbine and worm system (42) promotion No. three units (20) and moves to No. four unit (21) left ends, No. three units (20) are made to be the distance of vehicle one axle to two axles to the distance of No. four units (21), control system (10) controls the second turbine and worm system (41) promotion No. two units (19) and moves to No. three unit (20) left ends, No. two units (19) are made to be the distance of vehicle two axle to three axles to the distance of No. three units (20), control system (10) controls the first turbine and worm system (40) and promotes unit (18) arrival No. two unit (19) left ends, a unit (18) is made to be the distance of vehicle three axle to four axles to the distance of No. two units (19),
Step 3, the first transmission shaft (13) is used to connect the commutator (25) of the first transfer case (11) and No. three units (20), use second driving shaft (14) to connect the commutator (25) of No. three units (20) and the commutator (25) of No. two units (19), use the 3rd transmission shaft (15) to connect the commutator (25) of No. two units (19) and the commutator (25) of a unit (18);
Step 4, vehicle rear wheel is made to be in No. five unit (22) centers vehicle backing;
Step 5, control system (10) control the 4th turbine and worm system (43) promotes No. five units (22) respectively with the 5th turbine and worm system (44) and is moved to the left along guide rail (24) with identical speed with No. six units (23), until No. five units (22) stop promotion No. five unit (22) motions after contacting with No. four units (21), until No. six units (23) stop promotion No. six unit (23) motions after contacting with No. five units (22);
Step 6, vehicle front-wheel is made to be in No. four unit (21) centers vehicle backing;
Step 7, control system (10) control No. four units (21), No. three units (20), first lifting mechanism (27) of No. two units (19) and a unit (18) and the second lifting mechanism (28) decline, and vehicle carries out Chassis dynamometer experiment.
5. the bootstrap technique of a multiple-axle vehicle multiaxis distance chassis dynamometer guide as claimed in claim 1, it is characterized in that: it arrives chassis dynamometer position for guiding multiple-axle vehicle, and the unit of chassis dynamometer is positioned, when this multiple-axle vehicle multiaxis apart from chassis dynamometer guide be a 5-axle car multiaxis apart from chassis dynamometer guide time, this bootstrap technique comprises the following steps:
Select the 4th transmission shaft (16) between the commutator (25) of step one, No. four units (21) and the first transfer case (11) right-hand member and connect always, control system (10) controls first lifting mechanism (27) of each unit and the second lifting mechanism (28) is in lifting state, and control system controls the 4th turbine and worm system (43) and the 5th turbine and worm system (44) promotes No. five units (22) and No. six close ground right-hand members of units (23) respectively;
Step 2, control system (10) controls the 3rd turbine and worm system (42) promotion No. three units (20) and moves to No. four unit (21) left ends, No. three units (20) are made to be the distance of vehicle two axle to three axles to the distance of No. four units (21), control system (10) controls the second turbine and worm system (41) promotion No. two units (19) and moves to No. three unit (20) left ends, No. two units (19) are made to be the distance of vehicle three axle to four axles to the distance of No. three units (20), control system (10) controls the first turbine and worm system (40) and promotes unit (18) arrival No. two unit (19) left ends, a unit (18) is made to be the distance of vehicle four axle to five axles to the distance of No. two units (19),
Step 3, the first transmission shaft (13) is used to connect the commutator (25) of the first transfer case (11) and No. three units (20), use second driving shaft (14) to connect the commutator (25) of No. three units (20) and the commutator (25) of No. two units (19), use the 3rd transmission shaft (15) to connect the commutator (25) of No. two units (19) and the commutator (25) of a unit (18);
Step 4, vehicle rear wheel is made to be in No. five unit (22) centers vehicle backing;
Step 5, control system (10) control the 4th turbine and worm system (43) promotes No. five units (22) respectively with the 5th turbine and worm system (44) and is moved to the left along guide rail (24) with identical speed with No. six units (23), until No. five units (22) stop promotion No. five unit (22) motions after contacting with No. four units (21), until No. six units (23) stop promotion No. six unit (23) motions after contacting with No. five units (22);
Step 6, vehicle front-wheel is made to be in No. four unit (21) centers vehicle backing;
Step 7, control system (10) control the 4th turbine and worm system (43) and promote No. five units (22) arrival No. four unit (21) right-hand members, make No. five units (22) be the distance of vehicle two axle to an axle to the distance of No. four units (21), use the 5th transmission shaft (17) to connect the commutator (25) of No. four units (21) and the commutator (25) of No. five units (22);
Step 8, vehicle front-wheel is made to be in No. five unit (22) centers vehicle backing;
Step 9, control system (10) control No. five units (22), No. four units (21), No. three units (20), first lifting mechanism (27) of No. two units (19) and a unit (18) and the second lifting mechanism (28) decline, and vehicle carries out Chassis dynamometer experiment.
6. the multiple-axle vehicle multiaxis as described in Claims 2 or 3 or 4 or 5 is apart from the bootstrap technique of chassis dynamometer guide, it is characterized in that: this multiple-axle vehicle multiaxis when guided vehicle exits, guides multiple-axle vehicle to leave chassis dynamometer position according to following steps apart from chassis dynamometer guide:
After the experiment of step one, Chassis dynamometer terminates, control system (10) controls first lifting mechanism (27) of all units and the second lifting mechanism (28) is in lifting state, unloads the 5th transmission shaft (17) of the commutator (25) of connection No. four units (21) and the commutator (25) of No. five units (22);
Step 2, control system (10) control the 4th turbine and worm system (43) promotion No. five units (22) and touch No. four units (21);
Step 3, vehicle moved right make vehicle front-wheel be in No. six unit (23) centers;
Step 4, control system (10) control the 5th turbine and worm system (44) and promote No. six units (23) along guide rail (24) to the right until vehicle rear wheel is in No. five unit (22) centers;
Step 5, control system (10) control the 4th turbine and worm system (43) promotes No. five units (22) respectively with the 5th turbine and worm system (44) and moves right along guide rail (24) with identical speed with No. six units (23), until No. six units (23) contact with ground stop promotion No. six unit (23) motions, until No. five units (22) contact with No. six units (23) stop promotion No. five unit (22) motions;
Step 6, directly vehicle to be outputed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450825.9A CN103471753B (en) | 2013-09-27 | 2013-09-27 | Guide mechanism of multi-axle vehicle multi-axle-distance chassis dynamometer and guide method thereof |
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| CN201310450825.9A CN103471753B (en) | 2013-09-27 | 2013-09-27 | Guide mechanism of multi-axle vehicle multi-axle-distance chassis dynamometer and guide method thereof |
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| CN103471753A CN103471753A (en) | 2013-12-25 |
| CN103471753B true CN103471753B (en) | 2015-04-22 |
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Citations (5)
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|---|---|---|---|---|
| CN2179578Y (en) * | 1993-12-03 | 1994-10-12 | 西安公路学院 | Mobile motor-vehicle chassis ergograph |
| DE69015296D1 (en) * | 1989-09-18 | 1995-02-02 | Meidensha Electric Mfg Co Ltd | Test bench with dynamometer. |
| CN2281531Y (en) * | 1996-11-26 | 1998-05-13 | 田作友 | Power determiner for vehicle chassis |
| CN1294295A (en) * | 1999-10-29 | 2001-05-09 | 袁江 | Work-measuring machine for non-load car chassis |
| CN101581613A (en) * | 2009-06-16 | 2009-11-18 | 深圳市万德源科技发展有限公司 | Dynamometer for automobile chassis and measurement and control method thereof |
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|---|---|---|---|---|
| DE69015296D1 (en) * | 1989-09-18 | 1995-02-02 | Meidensha Electric Mfg Co Ltd | Test bench with dynamometer. |
| CN2179578Y (en) * | 1993-12-03 | 1994-10-12 | 西安公路学院 | Mobile motor-vehicle chassis ergograph |
| CN2281531Y (en) * | 1996-11-26 | 1998-05-13 | 田作友 | Power determiner for vehicle chassis |
| CN1294295A (en) * | 1999-10-29 | 2001-05-09 | 袁江 | Work-measuring machine for non-load car chassis |
| CN101581613A (en) * | 2009-06-16 | 2009-11-18 | 深圳市万德源科技发展有限公司 | Dynamometer for automobile chassis and measurement and control method thereof |
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