CN105784354B - Automotive mechanical transmission transmission error comprehensive test device and method - Google Patents
Automotive mechanical transmission transmission error comprehensive test device and method Download PDFInfo
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- CN105784354B CN105784354B CN201610236441.0A CN201610236441A CN105784354B CN 105784354 B CN105784354 B CN 105784354B CN 201610236441 A CN201610236441 A CN 201610236441A CN 105784354 B CN105784354 B CN 105784354B
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- speed changer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
The present invention provides a kind of automotive mechanical transmission transmission error comprehensive test device and method, belongs to automotive transmission critical component detection field.Specifically include main test device and modular load testing device, main test device includes driving motor, the first load motor, modular transmission error detection device etc., and modular load testing device includes the second load motor, modular transmission error detection device etc.；Data acquisition is carried out using dedicated modular transmission error detection device, by the transmission error integrated test facility of the present invention, speed changer is obtained and is tested the static state of gear and dynamic transmission error.The present invention can be realized under simulation different rotating speeds and load behavior, and the static state of speed changer with dynamic transmission error is accurately tested, has realistic meaning；Meanwhile accuracy of detection of the present invention is high, can save test site area, has considerable flexibility and versatility.
Description
Technical field
The invention belongs to automotive transmission critical component detection fields, become more specifically to a kind of automobile machinery
Fast device transmission error comprehensive test device and method.
Background technology
Critical component of the speed changer as automobile, the quality of quality has the performance of vehicle an important influence, and tooth
Wheel plays an important role again in mechanical transmission.In actual production, since the manufacture of gear and assembling are there are error,
In engagement process, and there is the influence of the factors such as stand under load deformation, thus occurs transmission error in transmission process.It transmits
Error is that the important driving source of vibration and noise is generated in Meshing Process of Spur Gear, is had to the performance of automotive mechanical transmission
It and directly affects.
From the point of view of existing documents and materials, most of transmission error test both at home and abroad just for a pair of engaged gears into
Capable, and transmission error of most testing gears under low speed, idle condition；Under high speed, load behavior, transmission error
Measuring accuracy be extremely difficult to the requirement accurately tested, the domestic integration test for automotive mechanical transmission transmission error is still
In blank.Chinese invention patent application publication No. CN 102519723A disclose a kind of dynamic transmission error of gear observing and controlling system
System, it is proposed that the TT＆C system of transmission error under a kind of high-speed working condition, but there are still some problems：On the one hand, the TT＆C system
Still the test carried out just for a pair of engaged gears can not meet the test request of speed changer transmission error, the opposing party
Face, under high speed, load behavior, the Circular gratings which uses are extremely difficult to accurately test wanting for dynamic transmission error
It asks.
In addition, most of current gearbox testrigs are arranged using integral type level, and when tested gearbox is larger, examination
Testing site area will also become larger, this just proposes test site more requirements.Chinese invention patent publication No. CN
1721833A discloses a kind of automobile gear box loading check test bench, and using horizontal double-layer structure, but the testing stand is
One integral frame structure, and upper and lower two layers has been respectively arranged driving motor and loading motor, when test bench running, easily sends out
Raw resonance, can have an impact test result；On the other hand, which is examined just for the conventional parameter of speed changer
It surveys, there is no the transmission errors for measuring speed changer.
It is missed therefore, it is necessary to design a kind of static transmit that can either detect mechanical transmission under low speed, load behavior
Poor (Static Transmission Error, STE), and the dynamic of mechanical transmission under high speed, load behavior can be detected
Transmission error (Dynamic Transmission Error, DTE), while the test device of test site area can be saved, it fills out
Mend the technological gap of automotive mechanical transmission transmission error integration test.
Invention content
The present invention provides a kind of automotive mechanical transmission transmission error comprehensive test device and method, to realize that simulation exists
Under different rotating speeds and load behavior, Static transmissions error and dynamic transmission error to speed changer are accurately tested, and are filled up
The technological gap of automotive mechanical transmission transmission error integration test.
The technical solution adopted by the present invention is：
A kind of automotive mechanical transmission transmission error comprehensive test device is surveyed including main test device and modular load
Trial assembly is put, and main test device is connected with modular load testing device by the second ball cage type Hooks coupling universal coupling.
The main test device, including driving motor, pedestal, the first load motor, the first load motor end circle-arc tooth
Synchronous pulley, cast iron rack, the first load motor end arc tooth synchronous belt, the second modular transmission error detection device, speed change
Device fixture, the first modular transmission error detection device, driving motor end arc tooth synchronous belt wheel, driving motor end circle-arc tooth are same
It walks band, the first Quincunx elastic coupler, transmission input shaft, the first ball cage type Hooks coupling universal coupling, one axis of speed changer output, become
Fast device exports two axis；
The driving motor is connected on pedestal, and drive motor shaft passes through driving motor end arc tooth synchronous belt and driving
Motor side arc tooth synchronous belt wheel is connect with the first modular transmission error detection device, and speed changer fixture is used to install tested change
Fast device, speed changer export an axis and are connect by the first ball cage type Hooks coupling universal coupling with the second modular transmission error detection device,
Second modular transmission error detection device and the first load motor axis pass through the first load motor end arc tooth synchronous belt and the
One load motor end arc tooth synchronous belt wheel connection, the first load motor are connected on pedestal, and pedestal is connected by foundation bolt
In big ground.
The modular load testing device is passed including removable cast iron rack, the second load motor, third modular
Pass error detecting apparatus, the second Quincunx elastic coupler, the second load motor pedestal；
Second load motor is connected on the second load motor pedestal, and the second load motor axis passes through the second plum blossom
Shape yielding coupling is connect with third modular transmission error detection device, and the second load motor pedestal is connected to removable cast iron
On rack, removable cast iron rack is connected to big ground by foundation bolt.
The main test device, using separate type double-deck stereo arrangement, i.e. cast iron rack and pedestal is separation,
For pedestal below cast iron rack, pedestal has spacing distance with cast iron rack, which can be adjusted according to experiment
It is whole；On the pedestal, have convenient for driving motor and the strip hole of the installation of the first load motor and adjustment；The cast iron rack
Upper layer plane on, have convenient for the parts such as speed changer fixture and modular transmission error detection device install and adjust it is T-shaped
Slot.
The first modular transmission error detection device, including the first left flange shaft, clutch shaft bearing, the first bearing
Seat, transmission input shaft torque sensor, transmission input shaft 3-axis acceleration sensor one, three axis of transmission input shaft accelerate
Spend sensor two, transmission input shaft angular encoder bearing support, transmission input shaft angular encoder, the first right flange shaft；
The left end and right end of the transmission input shaft torque sensor respectively with the first left flange shaft and the first right method
Blue axis connection, transmission input shaft angular encoder bearing support are connected to the transmission input shaft angular encoder installed thereon
In first right flange shaft, transmission input shaft 3-axis acceleration sensor one and transmission input shaft 3-axis acceleration sensor two
It is arranged symmetrically, on the ring flange of the first right flange shaft, transmission input shaft angular encoder bearing support, speed changer are defeated
Enter shaft sensor and clutch shaft bearing is both connected in the first fulcrum bearing, the first fulcrum bearing is connected to cast iron by T-bolt
On the upper layer plane of rack.
The second modular transmission error detection device, including the second left flange shaft, speed changer output one axis, three axis
Acceleration transducer one, speed changer export an axis 3-axis acceleration sensor two, speed changer exports a shaft sensor, speed change
Device exports an axis angular encoder bearing support, speed changer exports an axis angular encoder, the second fulcrum bearing, second bearing, second
Right flange shaft；
The left end and right end of speed changer one shaft sensor of output are right with the second left flange shaft and second respectively
Flange axis connection, speed changer exports an axis 3-axis acceleration sensor one and speed changer exports an axis 3-axis acceleration sensor two
Be arranged symmetrically, be separately mounted on the ring flange of the second left flange shaft, speed changer export an axis angular encoder bearing support with
The speed changer installed thereon exports an axis angular encoder and is connected in the second right flange shaft, and speed changer exports an axis angular coding
Device bearing support, speed changer export a shaft sensor and second bearing is both connected in the second fulcrum bearing, and the second fulcrum bearing is led to
T-bolt is crossed to be connected on the upper layer plane of cast iron rack.
The third modular transmission error detection device, including the left flange shaft of third, speed changer output two axis, three axis
Acceleration transducer one, speed changer export two axis 3-axis acceleration sensors two, speed changer exports two shaft sensors, speed change
Device exports two axis angular encoder bearing supports, speed changer exports two axis angular encoders, third fulcrum bearing, 3rd bearing, third
Right flange shaft；
Flange shaft left with third and third are right respectively for the left end and right end of speed changer two shaft sensors of output
Flange axis connection, speed changer exports two axis 3-axis acceleration sensors one and speed changer exports two axis 3-axis acceleration sensors two
Be arranged symmetrically, be separately mounted on the ring flange of the left flange shaft of third, speed changer export two axis angular encoder bearing supports with
The speed changer installed thereon exports two axis angular encoders and is connected in the right flange shaft of third, and speed changer exports two axis angular codings
Device bearing support, speed changer export two shaft sensors and 3rd bearing is both connected in third fulcrum bearing, and third fulcrum bearing connects
It is connected on removable cast iron rack.
A kind of automotive mechanical transmission transmission error integrated test facility, the tested speed changer are forerunner's speed changer
Or rear-guard speed changer；If tested speed changer is rear-guard speed changer, carry out in accordance with the following steps：
The each parts of test device are attached by the first step；
Second step, the rotating speed for setting driving motor are n1, the first load motor load torque be T1, driving motor plus
Fast section is by n1Accelerate to n '1, by the tested gear of lever selection of speed changer, start driving motor and the first load motor；
Third walks, when the rotating speed of driving motor and transmission input shaft angular encoder all reaches n1When, pass through speed changer
Input shaft angular encoder measures the angular displacement that speed changer inputs under tested gear1(t), a shaft angle degree is exported by speed changer
Encoder measures the angular displacement that speed changer under tested gear exports an axis2(t)；
4th step enables the rotating speed of driving motor by n1Accelerate to n '1, pass through transmission input shaft 3-axis acceleration sensor
Measure the tangential acceleration a that speed changer inputs in acceleratort11(t) and at12(t), three axis of an axis is exported by speed changer to accelerate
Degree sensor measures the tangential acceleration a that speed changer in accelerator exports an axist21(t) and at22(t)；
5th step obtains speed changer and is tested gear in rotating speed n1, load torque T1Under Static transmissions error be
STE1=θ1(t)-i×θ2(t)
Wherein, i is the gearratio of tested gear；
In rotating speed by n1Accelerate to n '1, load torque T1Under dynamic transmission error be：
Wherein, i is the gearratio of tested gear；K is proportionality coefficient, be tested speed changer tested shifting gear the number of teeth and
Modulus is related；R is the 3-axis acceleration sensor installation site radius of gyration；
6th step is shut down, and the load torque of the first load motor of setting is T2, start driving motor and the first load electricity
Machine repeats third and walks to the 5th step, obtains speed changer and is tested gear in rotating speed n1, load torque T2Under Static transmissions error
STE2With in rotating speed by n1Accelerate to n '1, load torque T2Under dynamic transmission error DTE2；
7th step, by the STE under obtained different loads torque1With STE2And DTE1With DTE2It is stored, is drawn static
Curve graph of the transmission error in different loads torque lower curve figure and dynamic transmission error under different loads torque；
8th step is shut down, and is replaced speed changer and is tested gear, repeats second step to the 7th step, obtain speed changer different stalls
Static transmissions error and dynamic transmission error.
If tested speed changer is forerunner's speed changer, carry out in accordance with the following steps：
The each parts of test device are attached by the first step；
Second step, the rotating speed for setting driving motor are n1, the first load motor and the second load motor load torque be
T1, driving motor acceleration area be by n1Accelerate to n '1, by the tested gear of lever selection of speed changer, start driving electricity
Machine, the first load motor and the second load motor；
Third walks, when the rotating speed of driving motor and transmission input shaft angular encoder all reaches n1When, pass through speed changer
Input shaft angular encoder measures the angular displacement that speed changer inputs under tested gear1(t), a shaft angle degree is exported by speed changer
Encoder measures the angular displacement that speed changer under tested gear exports an axis2(t), two axis angular encoders are exported by speed changer
Measure the angular displacement that speed changer under tested gear exports two axis3(t)；
4th step enables the rotating speed of driving motor by n1Accelerate to n '1, pass through transmission input shaft 3-axis acceleration sensor
Measure the tangential acceleration a that speed changer inputs in acceleratort11(t) and at12(t), three axis of an axis is exported by speed changer to accelerate
Degree sensor measures the tangential acceleration a that speed changer in accelerator exports an axist21(t) and at22(t), it is exported by speed changer
Two axis 3-axis acceleration sensors measure the tangential acceleration a that speed changer in accelerator exports two axist31(t) and at32(t)；
5th step obtains speed changer and is tested gear in rotating speed n1, load torque T1Under Static transmissions error be：
Wherein, i is the gearratio of tested gear；
In rotating speed by n1Accelerate to n '1, load torque T1Under dynamic transmission error be：
Wherein, i is the gearratio of tested gear；K is proportionality coefficient, be tested speed changer tested shifting gear the number of teeth and
Modulus is related；R is the 3-axis acceleration installation site radius of gyration；
6th step is shut down, and it is T to set the load torque of the first load motor and the second load motor2, start driving electricity
Machine, the first load motor and the second load motor repeat third and walk to the 5th step, obtain speed changer and are tested gear in rotating speed n1、
Load torque T2Under Static transmissions error STE2With in rotating speed by n1Accelerate to n '1, load torque T2Under dynamic transmission error
DTE2；
7th step, by the STE under obtained different loads torque1With STE2And DTE1With DTE2It is stored, is drawn static
Curve graph of the transmission error in different loads torque lower curve figure and dynamic transmission error under different loads torque；
8th step is shut down, and is replaced speed changer and is tested gear, repeats second step to the 7th step, obtain speed changer different stalls
Static transmissions error and dynamic transmission error.
The beneficial effects of the present invention are：
1. realizing simulation under different rotating speeds and load behavior, the Static transmissions error and dynamic to speed changer, which transmit, to be missed
Difference is accurately tested, and belongs to domestic initiation, and the technology for having filled up automotive mechanical transmission transmission error integration test is empty
In vain, there is realistic meaning；
2. test device uses modularized design thinking, can test device be increased and decreased according to the difference of tested gearbox, i.e.,
If tested speed changer is forerunner's speed changer, tested using main test device and modular load testing device, if tested become
Fast device is rear-guard speed changer, then is tested only with main test device, has considerable flexibility and versatility；
3. the separate type double-deck stereo arrangement that main test device uses, had both solved the easy of double-deck integral frame structure
Resonance problem, and the floor space of test site is greatly saved, meanwhile, the parts such as sensor are placed on main test device
Upper layer plane meets human factor engineering design thought, the operation for the tester that is more convenient for；
4. dedicated modular transmission error detection device, is integrated with angular encoder, 3-axis acceleration sensor and torsion
Square sensor, on the one hand, angular encoder and torque sensor are used cooperatively, and are solved traditional torque and speed sensors and are measured essence
The problem of degree is not high can realize the test request of accurate detection Static transmissions error；On the other hand, 3-axis acceleration sensor
Dynamic transmission error can be accurately detected, so that the detection device of modular can realize sensor in the item infrequently dismounted
Under part, can the comprehensive detection of transmission error under the operating mode be completed according to given operating mode.
Description of the drawings
Fig. 1 is automotive mechanical transmission transmission error comprehensive test device front view；
Fig. 2 is automotive mechanical transmission transmission error comprehensive test device vertical view；
Fig. 3 is the first modular transmission error structure of the detecting device schematic diagram；
Fig. 4 is 3-axis acceleration sensor schematic view of the mounting position in the first modular transmission error detection device；
Fig. 5 is the second modular transmission error structure of the detecting device schematic diagram；
Fig. 6 is third modular transmission error structure of the detecting device schematic diagram；
In figure：
1. main test device, 2. modular load testing devices, 3. second ball cage type Hooks coupling universal couplings, 11. first modules
Formula transmission error detection device, 12. second modular transmission error detection devices, 21. third modular transmission errors detection dress
It puts, 101. driving motors, 102. pedestals, 103. first load motors, 104. first load motor axis, 105. first load motors
End arc tooth synchronous belt wheel, 106. cast iron racks, 107. first load motor end arc tooth synchronous belts, 108. speed changer fixtures,
109. driving motor end arc tooth synchronous belt wheel, 110. driving motor end arc tooth synchronous belts, 111. drive motor shafts, 112.
One Quincunx elastic coupler, 113. transmission input shafts, 114. first ball cage type Hooks coupling universal couplings, 115. speed changers output one
Axis, 116. speed changers export two axis, 201. removable cast iron racks, 202. second load motors, 203. second quincunx elasticity
Shaft coupling, 204. second load motor axis, 205. second load motor pedestals, 1101. first left flange shafts, 1102. first axles
It holds, 1103. first fulcrum bearings, 1104. transmission input shaft torque sensors, 1105. transmission input shaft 3-axis accelerations pass
Sensor one, 1106. transmission input shaft 3-axis acceleration sensors two, 1107. transmission input shaft angular encoder bearing supports,
1108. transmission input shaft angular encoders, 1109. first right flange shafts, 1201. second left flange shafts, 1202. speed changers are defeated
Go out an axis 3-axis acceleration sensor one, 1203. speed changers, one axis 3-axis acceleration sensor two of output, 1204. speed changers are defeated
Go out a shaft sensor, 1205. speed changers export an axis angular encoder bearing support, and 1206. speed changers export a shaft angle degree
Encoder, 1207. second fulcrum bearings, 1208. second bearings, 1209. second right flange shafts, the left flange shaft of 2101. thirds,
2102. speed changers export two axis 3-axis acceleration sensors one, and 2103. speed changers export two axis 3-axis acceleration sensors two,
2104. speed changers export two shaft sensors, and 2105. speed changers export two axis angular encoder bearing supports, 2106. speed changers
Export two axis angular encoders, 2107. third fulcrum bearings, 2108. 3rd bearings, the right flange shaft of 2109. thirds.
Specific embodiment
As shown in Figure 1 and Figure 2, a kind of automotive mechanical transmission transmission error comprehensive test device, including main test device
1 and modular load testing device 2, main test device 1 and modular load testing device 2 pass through the second ball cage type universal joint shaft
Device 3 connects.
The main test device 1, including driving motor 101, pedestal 102, the first load motor 103, first load electricity
Generator terminal arc tooth synchronous belt wheel 105, cast iron rack 106, the first load motor end arc tooth synchronous belt 107, the second modular pass
Pass error detecting apparatus 12, speed changer fixture 108, the first modular transmission error detection device 11, driving motor end circle-arc tooth
Synchronous pulley 109, driving motor end arc tooth synchronous belt 110, the first Quincunx elastic coupler 112, transmission input shaft
113rd, the first ball cage type Hooks coupling universal coupling 114, speed changer export an axis 115, speed changer exports two axis 116；
The driving motor 101 is connected on pedestal 102, and drive motor shaft 111 is same by driving motor end circle-arc tooth
Step band 110 and driving motor end arc tooth synchronous belt wheel 109 are connect with the first modular transmission error detection device 11, speed changer
For installing tested speed changer, speed changer exports an axis 115 and passes through the first ball cage type Hooks coupling universal coupling 114 and second fixture 108
Modular transmission error detection device 12 connects, the second modular transmission error detection device 12 and the first load motor axis 104
It is connected by the first load motor end arc tooth synchronous belt 107 and the first load motor end arc tooth synchronous belt wheel 109, first is negative
It carries motor 103 to be connected on pedestal 102, pedestal 102 is connected to big ground by foundation bolt.
The modular load testing device 2, including removable cast iron rack 201, the second load motor 202, third
Modular transmission error detection device 21, the second Quincunx elastic coupler 203, the second load motor pedestal 205；
Second load motor 202 is connected on the second load motor pedestal 205, and the second load motor axis 204 is logical
It crosses the second Quincunx elastic coupler 203 to connect with third modular transmission error detection device 21, the second load motor pedestal
205 are connected on removable cast iron rack 201, and removable cast iron rack 201 is connected to big ground by foundation bolt.
The main test device 1, using separate type double-deck stereo arrangement, i.e. cast iron rack 106 and pedestal 102 is
Separation, pedestal 102 has spacing distance in the lower section of cast iron rack 206, pedestal 102 with cast iron rack 206, which can
It needs to be adjusted according to experiment；On the pedestal 102, have convenient for 101 and first load motor 103 of driving motor installation and
The strip hole of adjustment；On the upper layer plane of the cast iron rack 106, have and passed convenient for 108 and first modular of speed changer fixture
Pass the T-slot of the installation of 11 grade parts of error detecting apparatus and adjustment.
As shown in Figure 3, Figure 4, the first modular transmission error detection device 11, including the first left flange shaft
1101st, clutch shaft bearing 1102, the first fulcrum bearing 1103, transmission input shaft torque sensor 1104, three axis of transmission input shaft
Acceleration transducer 1, fast device input shaft 3-axis acceleration sensor 2 1106, transmission input shaft angular encoder branch
Bolster 1107, transmission input shaft angular encoder 1108, the first right flange shaft 1109；
The left end and right end of the transmission input shaft torque sensor 1104 respectively with the first left flange shaft 1101 and
First right flange shaft 1109 connects, transmission input shaft angular encoder bearing support 1107 and the transmission input shaft installed thereon
Angular encoder 1108 is connected to 1109 in the first right flange shaft, transmission input shaft 3-axis acceleration sensor 1 and change
Fast device input shaft 3-axis acceleration sensor 2 1106 is arranged symmetrically, and is separately mounted to the ring flange of the first right flange shaft 1109
On, transmission input shaft angular encoder bearing support 1107, transmission input shaft torque sensor 1104 and clutch shaft bearing 1102
It is both connected in the first fulcrum bearing 1103, the first fulcrum bearing 1103 is connected to the upper layer plane of cast iron rack 106 by T-bolt
On.
As shown in figure 5, the second modular transmission error detection device 12, including the second left flange shaft 1201, becomes
Fast device exports an axis 3-axis acceleration sensor 1, speed changer exports an axis 3-axis acceleration sensor 2 1203, speed change
Device exports a shaft sensor 1204, speed changer exports an axis angular encoder bearing support 1205, speed changer exports a shaft angle
Spend encoder 1206, the second fulcrum bearing 1207, second bearing 1208, the second right flange shaft 1209；
The speed changer export a shaft sensor 1204 left end and right end respectively with the second left flange shaft 1201
It is connected with the second right flange shaft 1209, speed changer exports an axis 3-axis acceleration sensor 1 and speed changer exports an axis three
Axle acceleration sensor 2 1203 is arranged symmetrically, and is separately mounted on the ring flange of the second left flange shaft 1201, speed changer is defeated
Go out an axis angular encoder bearing support 1205 and be connected to second with the speed changer one axis angular encoder 1206 of output installed thereon
In right flange shaft 1209, speed changer exports an axis angular encoder bearing support 1206, speed changer exports a shaft sensor
1204 and second bearing 1208 be both connected in the second fulcrum bearing 1207, the second fulcrum bearing 1207 is connected to casting by T-bolt
On the upper layer plane of iron rack 106.
As shown in fig. 6, the third modular transmission error detection device 21, including the left flange shaft 2101 of third, becomes
Fast device exports two axis 3-axis acceleration sensors 1, speed changer exports two axis 3-axis acceleration sensors 2 2103, speed change
Device exports two shaft sensors 2104, speed changer exports two axis angular encoder bearing supports 2105, speed changer exports two shaft angles
Spend encoder 2106, third fulcrum bearing 2107,3rd bearing 2108, the right flange shaft 2109 of third；
The speed changer exports the left end of two shaft sensors 2104 and right end flange shaft 2101 left with third respectively
Flange shaft 2109 right with third connects, and speed changer exports two axis 3-axis acceleration sensors 1 and speed changer exports two axis three
Axle acceleration sensor 2 2103 is arranged symmetrically, and is separately mounted on the ring flange of the left flange shaft 2101 of third, speed changer is defeated
Go out two axis angular encoder bearing supports 2105 and be connected to third with the speed changer two axis angular encoders 2106 of output installed thereon
In right flange shaft 2109, speed changer exports two axis angular encoder bearing supports 2105, speed changer exports two shaft sensors
2104 and 3rd bearing 2108 be both connected in third fulcrum bearing 2107, third fulcrum bearing 2107 is connected to removable cast iron rack
On 206.
A kind of automotive mechanical transmission transmission error integrated test facility, the tested speed changer are forerunner's speed changer
Or rear-guard speed changer；If tested speed changer is rear-guard speed changer, carry out in accordance with the following steps：
The each parts of test device are attached by the first step；
Second step, the rotating speed of setting driving motor 101 is n1, the first load motor 103 load torque be T1, driving electricity
The acceleration area of machine 101 is by n1Accelerate to n '1, by the tested gear of lever selection of speed changer, start 101 He of driving motor
First load motor 103；
Third walks, when the rotating speed of driving motor 101 and transmission input shaft angular encoder 1108 all reaches n1When, pass through
Transmission input shaft angular encoder 1108 measures the angular displacement that speed changer inputs under tested gear1(t), it is defeated by speed changer
Go out an axis angular encoder 1206 and measure the angular displacement that speed changer under tested gear exports an axis2(t)；
4th step enables the rotating speed of driving motor 101 by n1Accelerate to n '1, sensed by transmission input shaft 3-axis acceleration
Device 1105~1106 measures the tangential acceleration a that speed changer inputs in acceleratort11(t) and at12(t), it is exported by speed changer
One axis 3-axis acceleration sensor 1202~1203 measures the tangential acceleration a that speed changer in accelerator exports an axist21(t)
And at22(t)；
5th step obtains speed changer and is tested gear in rotating speed n1, load torque T1Under Static transmissions error be
STE1=θ1(t)-i×θ2(t)
Wherein, i is the gearratio of tested gear；
In rotating speed by n1Accelerate to n '1, load torque T1Under dynamic transmission error be：
Wherein, i is the gearratio of tested gear；K is proportionality coefficient, be tested speed changer tested shifting gear the number of teeth and
Modulus is related；R is the 3-axis acceleration sensor installation site radius of gyration；
6th step is shut down, and the load torque of the first load motor 103 of setting is T2, it is negative to start driving motor 101 and first
Motor 103 is carried, third is repeated and walks to the 5th step, obtain speed changer and be tested gear in rotating speed n1, load torque T2Under static transmit
Error STE2With in rotating speed by n1Accelerate to n '1, load torque T2Under dynamic transmission error DTE2；
7th step, by the STE under obtained different loads torque1With STE2And DTE1With DTE2It is stored, is drawn static
Curve graph of the transmission error in different loads torque lower curve figure and dynamic transmission error under different loads torque；
8th step is shut down, and is replaced speed changer and is tested gear, repeats second step to the 7th step, obtain speed changer different stalls
Static transmissions error and dynamic transmission error.
If tested speed changer is forerunner's speed changer, carry out in accordance with the following steps：
The each parts of test device are attached by the first step；
Second step, the rotating speed of setting driving motor 101 is n1, the first load motor 103 and the second load motor 202 it is negative
Load torque is T1, driving motor 101 acceleration area be by n1Accelerate to n '1, gear is tested by the lever selection of speed changer,
Start driving motor 101, the first load motor 103 and the second load motor 202；
Third walks, when the rotating speed of driving motor 101 and transmission input shaft angular encoder 1108 all reaches n1When, pass through
Transmission input shaft angular encoder 1108 measures the angular displacement that speed changer inputs under tested gear1(t), it is defeated by speed changer
Go out an axis angular encoder 1206 and measure the angular displacement that speed changer under tested gear exports an axis2(t), it is exported by speed changer
Two axis angular encoders 2106 measure the angular displacement that speed changer under tested gear exports two axis3(t)；
4th step enables the rotating speed of driving motor 101 by n1Accelerate to n '1, sensed by transmission input shaft 3-axis acceleration
Device 1105~1106 measures the tangential acceleration a that speed changer inputs in acceleratort11(t) and at12(t), it is exported by speed changer
One axis 3-axis acceleration sensor 1202~1203 measures the tangential acceleration a that speed changer in accelerator exports an axist21(t)
And at22(t), two axis 3-axis acceleration sensors 2102~2103 are exported by speed changer and measures speed changer output in accelerator
The tangential acceleration a of two axist31(t) and at32(t)；
5th step obtains speed changer and is tested gear in rotating speed n1, load torque T1Under Static transmissions error be：
Wherein, i is the gearratio of tested gear；
In rotating speed by n1Accelerate to n '1, load torque T1Under dynamic transmission error be：
Wherein, i is the gearratio of tested gear；K is proportionality coefficient, be tested speed changer tested shifting gear the number of teeth and
Modulus is related；R is the 3-axis acceleration installation site radius of gyration；
6th step is shut down, and it is T to set the load torque of the first load motor 103 and the second load motor 2022, start and drive
Dynamic motor 101, the first load motor 103 and the second load motor 202, repeat third and walk to the 5th step, obtain speed changer and be tested
Gear is in rotating speed n1, load torque T2Under Static transmissions error STE2With in rotating speed by n1Accelerate to n '1, load torque T2Under
Dynamic transmission error DTE2；
7th step, by the STE under obtained different loads torque1With STE2And DTE1With DTE2It is stored, is drawn static
Curve graph of the transmission error in different loads torque lower curve figure and dynamic transmission error under different loads torque；
8th step is shut down, and is replaced speed changer and is tested gear, repeats second step to the 7th step, obtain speed changer different stalls
Static transmissions error and dynamic transmission error.
Claims (5)
1. a kind of automotive mechanical transmission transmission error comprehensive test device, it is characterised in that：Including main test device and mould
Block formula load testing device, main test device and modular load testing device are connected by the second ball cage type Hooks coupling universal coupling；
The main test device includes driving motor, pedestal, the first load motor, the first load motor end arc tooth synchronous belt
Wheel, cast iron rack, the first load motor end arc tooth synchronous belt, the second modular transmission error detection device, speed changer fixture,
First modular transmission error detection device, driving motor end arc tooth synchronous belt wheel, driving motor end arc tooth synchronous belt,
One Quincunx elastic coupler, transmission input shaft, the first ball cage type Hooks coupling universal coupling, one axis of speed changer output, speed changer are defeated
Go out two axis；
The driving motor is connected on pedestal, and drive motor shaft passes through driving motor end arc tooth synchronous belt and driving motor
End arc tooth synchronous belt wheel is connect with the first modular transmission error detection device, and speed changer fixture is used to install tested speed change
Device, speed changer export an axis and are connect by the first ball cage type Hooks coupling universal coupling with the second modular transmission error detection device, the
Two modular transmission error detection devices pass through the first load motor end arc tooth synchronous belt and first with the first load motor axis
The arc tooth synchronous belt wheel connection of load motor end, the first load motor are connected on pedestal, and pedestal is connected to by foundation bolt
Big ground；
The first modular transmission error detection device including the first left flange shaft, clutch shaft bearing, the first fulcrum bearing, becomes
Fast device input shaft torque sensor, transmission input shaft 3-axis acceleration sensor one, transmission input shaft 3-axis acceleration pass
Sensor two, transmission input shaft angular encoder bearing support, transmission input shaft angular encoder, the first right flange shaft；
The left end and right end of the transmission input shaft torque sensor respectively with the first left flange shaft and the first right flange shaft
Connection, transmission input shaft angular encoder bearing support are connected to first with the transmission input shaft angular encoder installed thereon
In right flange shaft, transmission input shaft 3-axis acceleration sensor one and transmission input shaft 3-axis acceleration sensor two are in pair
Claim arrangement, on the ring flange of the first right flange shaft, transmission input shaft angular encoder bearing support, transmission input shaft
Torque sensor and clutch shaft bearing are both connected in the first fulcrum bearing, and the first fulcrum bearing is connected to cast iron rack by T-bolt
Upper layer plane on；
The modular load testing device is transmitted including removable cast iron rack, the second load motor, third modular and is missed
Poor detection device, the second Quincunx elastic coupler, the second load motor pedestal；
Second load motor is connected on the second load motor pedestal, and the second load motor axis passes through the second quincunx bullet
Property shaft coupling is connect with third modular transmission error detection device, and the second load motor pedestal is connected to removable cast iron rack
On, removable cast iron rack is connected to big ground by foundation bolt.
2. automotive mechanical transmission transmission error comprehensive test device according to claim 1, it is characterised in that：It is described
Main test device, using separate type double-deck stereo arrangement, i.e., cast iron rack and pedestal are separation, and pedestal is in cast iron platform
Below frame, pedestal has spacing distance with cast iron rack, which can need to be adjusted according to experiment；The pedestal
On, have convenient for driving motor and the strip hole of the installation of the first load motor and adjustment；On the upper layer plane of the cast iron rack,
Have convenient for speed changer fixture and the T-slot of the installation of modular transmission error detection device parts and adjustment.
3. automotive mechanical transmission transmission error comprehensive test device according to claim 1, it is characterised in that：It is described
The second modular transmission error detection device, including the second left flange shaft, speed changer export an axis 3-axis acceleration sensor
First, speed changer exports an axis 3-axis acceleration sensor two, speed changer exports a shaft sensor, speed changer exports a shaft angle
Spend encoder bearing support, speed changer exports an axis angular encoder, the second fulcrum bearing, second bearing, the second right flange shaft；
The speed changer export a shaft sensor left end and right end respectively with the second left flange shaft and the second right flange
Axis connection, it is in pair that speed changer, which exports an axis 3-axis acceleration sensor one and speed changer one axis 3-axis acceleration sensor two of output,
Claim arrangement, be separately mounted on the ring flange of the second left flange shaft, speed changer export an axis angular encoder bearing support with thereon
The speed changer of installation exports an axis angular encoder and is connected in the second right flange shaft, and speed changer exports an axis angular encoder branch
Bolster, speed changer export a shaft sensor and second bearing is both connected in the second fulcrum bearing, and the second fulcrum bearing passes through T-shaped
It is bolted on the upper layer plane of cast iron rack.
4. automotive mechanical transmission transmission error comprehensive test device according to claim 1, it is characterised in that：It is described
Third modular transmission error detection device, including the left flange shaft of third, speed changer export two axis 3-axis acceleration sensors
First, speed changer exports two axis 3-axis acceleration sensors two, speed changer exports two shaft sensors, speed changer exports two shaft angles
Spend encoder bearing support, speed changer exports two axis angular encoders, third fulcrum bearing, 3rd bearing, the right flange shaft of third；
The speed changer exports the left end of two shaft sensors and right end flange shaft left with third and the right flange of third respectively
Axis connection, it is in pair that speed changer, which exports two axis 3-axis acceleration sensors one and speed changer two axis 3-axis acceleration sensors two of output,
Claim arrangement, be separately mounted on the ring flange of the left flange shaft of third, speed changer export two axis angular encoder bearing supports with thereon
The speed changer of installation exports two axis angular encoders and is connected in the right flange shaft of third, and speed changer exports two axis angular encoder branch
Bolster, speed changer export two shaft sensors and 3rd bearing is both connected in third fulcrum bearing, and third fulcrum bearing is connected to
On removable cast iron rack.
5. a kind of automotive mechanical transmission transmission error integrated test facility, it is characterised in that：The tested speed changer is
Forerunner's speed changer or rear-guard speed changer；If tested speed changer is rear-guard speed changer, carry out in accordance with the following steps：
The each parts of test device are attached by the first step；
Second step, the rotating speed for setting driving motor are n1, the first load motor load torque be T1, driving motor accelerating region
Between be by n1Accelerate to n1', by the tested gear of lever selection of speed changer, start driving motor and the first load motor；
Third walks, when the rotating speed of driving motor and transmission input shaft angular encoder all reaches n1When, pass through transmission input shaft
Angular encoder measures the angular displacement that speed changer inputs under tested gear1(t), an axis angular encoder is exported by speed changer
Measure the angular displacement that speed changer under tested gear exports an axis2(t)；
4th step enables the rotating speed of driving motor by n1Accelerate to n1', it is measured by transmission input shaft 3-axis acceleration sensor
The tangential acceleration a that speed changer inputs in acceleratort11(t) and at12(t), an axis 3-axis acceleration is exported by speed changer to pass
Sensor measures the tangential acceleration a that speed changer in accelerator exports an axist21(t) and at22(t)；
5th step obtains speed changer and is tested gear in rotating speed n1, load torque T1Under Static transmissions error be
STE1=θ1(t)-i×θ2(t)
Wherein, i is the gearratio of tested gear；
In rotating speed by n1Accelerate to n1', load torque T1Under dynamic transmission error be：
Wherein, i is the gearratio of tested gear；K is proportionality coefficient, is tested the number of teeth and modulus of the tested shifting gear of speed changer
It is related；R is the 3-axis acceleration sensor installation site radius of gyration；
6th step is shut down, and the load torque of the first load motor of setting is T2, start driving motor and the first load motor, repeat
Third is walked to the 5th step, is obtained speed changer and is tested gear in rotating speed n1, load torque T2Under Static transmissions error STE2With turn
Speed is by n1Accelerate to n1', load torque T2Under dynamic transmission error DTE2；
7th step, by the STE under obtained different loads torque1With STE2And DTE1With DTE2It is stored, draws static transmit
Curve graph of the error in different loads torque lower curve figure and dynamic transmission error under different loads torque；
8th step is shut down, and is replaced speed changer and is tested gear, repeats second step to the 7th step, obtain the quiet of speed changer different stalls
State transmission error and dynamic transmission error；
If tested speed changer is forerunner's speed changer, carry out in accordance with the following steps：
The each parts of test device are attached by the first step；
Second step, the rotating speed for setting driving motor are n1, the first load motor and the second load motor load torque be T1, drive
The acceleration area of dynamic motor is by n1Accelerate to n1', by the tested gear of lever selection of speed changer, start driving motor, first
Load motor and the second load motor；
Third walks, when the rotating speed of driving motor and transmission input shaft angular encoder all reaches n1When, pass through transmission input shaft
Angular encoder measures the angular displacement that speed changer inputs under tested gear1(t), an axis angular encoder is exported by speed changer
Measure the angular displacement that speed changer under tested gear exports an axis2(t), by speed changer export two axis angular encoders measure by
Survey the angular displacement that speed changer under gear exports two axis3(t)；
4th step enables the rotating speed of driving motor by n1Accelerate to n1', it is measured by transmission input shaft 3-axis acceleration sensor
The tangential acceleration a that speed changer inputs in acceleratort11(t) and at12(t), an axis 3-axis acceleration is exported by speed changer to pass
Sensor measures the tangential acceleration a that speed changer in accelerator exports an axist21(t) and at22(t), two axis are exported by speed changer
3-axis acceleration sensor measures the tangential acceleration a that speed changer in accelerator exports two axist31(t) and at32(t)；
5th step obtains speed changer and is tested gear in rotating speed n1, load torque T1Under Static transmissions error be：
Wherein, i is the gearratio of tested gear；
In rotating speed by n1Accelerate to n1', load torque T1Under dynamic transmission error be：
Wherein, i is the gearratio of tested gear；K is proportionality coefficient, is tested the number of teeth and modulus of the tested shifting gear of speed changer
It is related；R is the 3-axis acceleration installation site radius of gyration；
6th step is shut down, and it is T to set the load torque of the first load motor and the second load motor2, start driving motor, first
Load motor and the second load motor repeat third and walk to the 5th step, obtain speed changer and are tested gear in rotating speed n1, load torque
T2Under Static transmissions error STE2With in rotating speed by n1Accelerate to n1', load torque T2Under dynamic transmission error DTE2；
7th step, by the STE under obtained different loads torque1With STE2And DTE1With DTE2It is stored, draws static transmit
Curve graph of the error in different loads torque lower curve figure and dynamic transmission error under different loads torque；
8th step is shut down, and is replaced speed changer and is tested gear, repeats second step to the 7th step, obtain the quiet of speed changer different stalls
State transmission error and dynamic transmission error.
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| CN106726031A (en) * | 2016-12-27 | 2017-05-31 | 北京石油化工学院 | A kind of measurement apparatus of prosthetic socket Evaluation of Comfort |
| CN106802241B (en) * | 2017-01-18 | 2019-05-07 | 安徽江淮汽车集团股份有限公司 | Gear transmission error test device and method |
| US9969395B1 (en) * | 2017-02-08 | 2018-05-15 | GM Global Technology Operations LLC | Lash mitigation |
| CN111595579A (en) * | 2020-06-19 | 2020-08-28 | 重庆青山工业有限责任公司 | Transmission error test system of gearbox |
| CN114061940B (en) * | 2021-10-14 | 2023-09-22 | 哈尔滨广瀚动力传动有限公司 | Device and method for measuring and testing transmission error of double-speed gearbox |
| CN113984382B (en) * | 2021-12-27 | 2022-03-25 | 四川诚邦浩然测控技术有限公司 | Angle sensor installation tool |
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