CN108982100A - A kind of power flow mechanical close formula manual automotive gearboxes experimental bench - Google Patents
A kind of power flow mechanical close formula manual automotive gearboxes experimental bench Download PDFInfo
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- CN108982100A CN108982100A CN201810777833.7A CN201810777833A CN108982100A CN 108982100 A CN108982100 A CN 108982100A CN 201810777833 A CN201810777833 A CN 201810777833A CN 108982100 A CN108982100 A CN 108982100A
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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
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Abstract
A kind of power flow mechanical close formula manual automotive gearboxes experimental bench belongs to technical field of engineering machinery, including frequency control motor, accompany examination gearbox, lubricate cooling system, control cabinet, computer, gearbox, first closed gear case, first tachometer torquemeter, test transmission input shaft, first shaft coupling, first support, test gearbox, first automatic gear shift apparatus, first support, third tachometer torquemeter, third closed gear case, second tachometer torquemeter, second closed gear case, second support, second automatic gear shift apparatus, second shaft coupling, 4th closed gear case, connecting shaft, hydraulic pressure loading device, 5th closed gear case, second support, third support, 4th support, first air-cooler and the second air-cooler, apparatus of the present invention power consumption is very low, structure is simple, it invests small, power flow is mechanical Closing, energy consumption is lower, using economy, is used widely in the experimental study of gear and its transmission device.
Description
Technical field
The invention belongs to technical field of engineering machinery, and in particular to a kind of power flow mechanical close formula manual automotive gearboxes
Experimental bench.
Background technique
Gearbox experimental bench is to be tested for the property to gearbox and the important means of experimental study, is tested using gearbox
Platform carries out the experiments such as efficiency, fatigue life, noise, quiet torsion intensity, shift performance to gearbox can change for the structure of gearbox
Reliable foundation is provided into, performance boost.Common gearbox experimental bench form mainly has two major classes, and one kind is open type experiment
Platform, another kind of is enclosed experimental bench.
Open type experimental bench structure is simple, has reliable working performance, is loaded using current vortex form, and it is steady to apply load
Fixed, cost performance is high.But its load of the experimental bench of this form is power loss open architecture, and energy cannot recycle, energy waste
Seriously, small-power, short-term test run are only applicable to.For the fatigue experiment of this project, because longtime running consumption power is huge
Therefore it cannot use.
There are mainly two types of enclosed experimental benches, and one kind is power flow electric closure, and another kind is that power flow is mechanically closed.
The electrical-closed experimental bench structure of power flow is loaded using motor drive, generator, and equipment is easy to connect, structure letter
It is single, dynamically load may be implemented.Its principle are as follows: power input device of the motor as experimental bench, generator is as entire real
The load of platform is tested, generator sending electric current is modulated to be reused by feed circuit back to electric motor in driving circuit.This
Kind power flow electric closure experimental bench is low to power supply total power requirements, and energy utilization rate is high, and energy loss is small, but its feed circuit is set
Standby complex and expensive, cost is relatively high, and experimental cost is high.
Power flow mechanical close formula experimental bench structure primary clustering are as follows: motor, measuring instrument, adds closed gear connecting box
Carry gear-box.Working principle are as follows: system is constituted into a mechanical close circuit using closed gear connecting box, system is added
After load, load torque is locked in mechanical close circuit.When system operation, circulating power recycle stream in entire circuit
Dynamic, motor power (output) is served only for the loss power of compensation circuit system.This kind of experimental bench power consumption is very low, and structure is simple, and investment is small,
Power flow mechanical close, energy consumption is lower, using economy, has weight in the experimental study of automobile gearbox and other transmission devices
Want meaning.
Summary of the invention
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of power flow mechanical close formula manual automotive gearboxes experimental bench, including frequency control motor, accompany examination gearbox,
Lubrication cooling system, control cabinet and computer, the frequency control motor output end are connected with gearbox input terminal, and gearbox is defeated
Outlet is connected with the first closed gear case, and the first closed gear case output shaft passes through the first tachometer torquemeter of shaft coupling phase
Even, the first tachometer torquemeter is connected by shaft coupling with experiment transmission input shaft one end, and experiment transmission input shaft is another
One end is connected by shaft coupling with first support one end of the connecting shaft, the first support connecting shaft other end and first shaft coupling one
End is connected, and is mounted in the first support in the middle part of the experiment transmission input shaft, and the first shaft coupling other end and experiment become
Fast case is connected, and the shift fork for testing gearbox is connected with the first automatic gear shift apparatus, and tests gearbox and be fixedly mounted on first
On frame, experiment gearbox the first output shaft right end is connected by shaft coupling with third tachometer torquemeter, third torque
Tachometer of measuring is connected by shaft coupling with third closed gear case input shaft, and third closed gear case output shaft passes through shaft coupling
It is connected with examination the first input shaft of gearbox is accompanied, the experiment gearbox the second output shaft left end is turned by shaft coupling and the second torque
Fast measuring instrument is connected, and the second tachometer torquemeter is connected by shaft coupling with the second closed gear case input shaft, the second closing
Gearbox output shaft is connected by shaft coupling with examination the second input shaft of gearbox is accompanied, and examination gearbox is accompanied to be fixedly mounted on second support
On, accompany the shift fork of examination gearbox to be connected with the second automatic gear shift apparatus, described accompany tries transmission input shaft and pass through shaft coupling and the
Two bracket one end of the connecting shaft are connected, and the second support connecting shaft other end is connected with second shaft coupling one end, second shaft coupling
The other end is connected with the 4th closed gear case input shaft, and the 4th closed gear case output shaft passes through shaft coupling and one end of the connecting shaft phase
Even, the connecting shaft other end is connected by shaft coupling with hydraulic pressure loading device, and hydraulic pressure loading device output shaft passes through shaft coupling and the 5th envelope
It closes gear-box to be connected, the connecting shaft is sequentially arranged in the second support, third support and the 4th support, the 5th closing tooth
Roller box output shaft is connected by shaft coupling with the first closed gear case input shaft.
The first air-cooler is provided on the outside of the experiment gearbox, described accompany is provided with the second cold wind on the outside of examination gearbox
Machine.
First support, the second support, third support and the 4th support include pedestal, and base top is provided with first
Bearing block, first bearing seat top are provided with the first through type forced filling oil cup, and first bearing seat inner wall is equipped with self-aligning ball bearing,
First bearing seat left and right ends are provided with first end cover, and interior packet outside framework oil seal is provided in first end cover inboard groove.
The first support and second support include bracket, and mid-stent is provided with second bearing seat, in second bearing seat
Chamber right end is provided with the first rolling bearing, and the first rolling bearing left end is provided with axle sleeve, and axle sleeve left end is provided with second axis of rolling
It holds, the second rolling bearing left end bracket inner hole is provided with second end cover, first rolling bearing, axle sleeve, the second rolling bearing
It is interspersed with output shaft with second end cover inner hole, output shaft outer wall is provided with the retaining ring positioned at the second rolling bearing left end, and retaining ring
Right side is bonded with the second rolling bearing inner ring left side, and the second bearing seat top middle portion is provided with the second through type pressure injection
Lubricating cup, the second bearing seat right end is provided with connecting plate, and connecting plate left side is bonded with bracket right side.
The first shaft coupling and second shaft coupling are reequiped by existing clutch, the first shaft coupling and the second shaft coupling
Device includes terminal pad, and terminal pad inner ring and frictional disk rivet, and the outer ring of terminal pad is spirally connected with flywheel and clutch case respectively.
The lubrication cooling system includes fuel tank and water tank, and the fuel tank oil outlet is connected by oil feed line with oil pump,
Oil pump is connected by oil feed line with gearbox, the first closed gear case, the 4th closed gear case and the 5th closed gear case, is increased
Fast case, the first closed gear case, the 4th closed gear case and the 5th closed gear case pass through oil return line and tank drainback mouth phase
Even, the water outlet of water tank is connected by water supply pipe with water pump, and the water pump is connected with cooling line one end, the cooling tube
The road other end is connected with water container backwater mouth.
The computer is connected with control cabinet, the control cabinet and hydraulic pressure loading device, water pump, oil pump, the first self shifter
Device, the second automatic gear shift apparatus, the first air-cooler, the second air-cooler and frequency control motor electrical connection.
The invention has the advantages that:
1, apparatus of the present invention are directed to horizontal front drive transmission case biaxial output structure feature, are with first support and second support
Support is by experiment gearbox and examination gearbox is accompanied to configure side by side back-to-back, by the first closed gear case, the second closed gear
Case, third closed gear case, the 4th closed gear case and the 5th closed gear case are corresponding connected two-by-two by input shaft and output shaft,
Realize the mechanical close of power flow；Gearbox is arranged to guarantee experiment gearbox and accompany the highest input speed requirement of examination gearbox
Meanwhile meeting frequency control motor steady operation revolving speed requirement；Pass through the first support, the second support, third support and the 4th
Support changes the vibration deformation of long connecting shaft；Load is applied automatically to system to hydraulic pressure loading device control by computer；Pass through
One tachometer torquemeter, the second tachometer torquemeter and third tachometer torquemeter realize the torsion inputted, on output shaft
Square and tachometric survey, signal output；This kind of testing stand power consumption is very low, and structure is simple, invests small, power flow mechanical close, energy consumption
It is lower, using economy, it is used widely in the experimental study of gear and its transmission device.
2, apparatus of the present invention not only can be carried out gearbox transmission efficiency test, but also can be carried out gearbox fatigue life examination
Test, Gear-Box test, the quiet torsion strength test of gearbox, Synchromous device of gearbox life test, gearbox shifting performance test,
Gearbox dynamic sealing test, gearbox temperature rise test, gearbox high-speed test (HST) and gearbox differential reliability test are applicable in model
It encloses extensively.
Detailed description of the invention
Fig. 1 is apparatus of the present invention overall structure diagram；
Fig. 2 is that apparatus of the present invention lubricate cooling system schematic diagram；
Fig. 3 is the support of apparatus of the present invention first, the second support, third support and the 4th support construction schematic diagram；
Fig. 4 is the support of apparatus of the present invention first, the second support, third support and the 4th support A-A view；
Fig. 5 is apparatus of the present invention first support and second support structural schematic diagram；
Fig. 6 is apparatus of the present invention first shaft coupling and second shaft coupling structural schematic diagram；
1- frequency control motor, 2- accompany examination gearbox, and 3- lubricates cooling system, 4- control cabinet, 5- computer, 6- speedup
Case, 7- the first closed gear case, the first tachometer torquemeter of 8-, 9- test transmission input shaft, 10- first shaft coupling, 11-
First support, 12- test gearbox, the first automatic gear shift apparatus of 13-, 14- first support, the first output shaft of 15-, 16- third
Tachometer torquemeter, 17- third closed gear case, the first input shaft of 18-, the second output shaft of 19-, the second torque rotary speed of 20-
Measuring instrument, 21- the second closed gear case, the second input shaft of 22-, 23- second support, the second automatic gear shift apparatus of 24-, 25-
Two shaft couplings, the 4th closed gear case of 26-, 27- connecting shaft, 28- hydraulic pressure loading device, the 5th closed gear case of 29-, 30- second
Support, the support of 31- third, 32- the 4th are supported, the first air-cooler of 33-, the second air-cooler of 34-, 35- pedestal, 36- first bearing
Seat, 37- the first through type forced filling oil cup, 38- self-aligning ball bearing, 39- first end cover, packet outside framework oil seal in 40-, 41- bracket,
42- second bearing seat, the first rolling bearing of 43-, 44- axle sleeve, the second rolling bearing of 45-, 46- second end cover, the connection of 47- bracket
Axis, 48- retaining ring, 49- the second through type forced filling oil cup, 50- connecting plate, 51- terminal pad, 52- frictional disk, 53- flywheel, 54- from
Clutch lid, 55- fuel tank, 56- water tank, 57- oil pump, 58- water pump.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of power flow mechanical close formula manual automotive gearboxes experimental bench, including frequency control motor 1,
Accompany examination gearbox 2, lubrication cooling system 3, control cabinet 4 and computer 5,1 output end of frequency control motor and gearbox 6 defeated
Enter end to be connected, 6 output end of gearbox is connected with the first closed gear case 7, and 7 output shaft of the first closed gear case passes through shaft coupling the
One tachometer torquemeter 8 is connected, and the first tachometer torquemeter 8 passes through shaft coupling and experiment 9 one end phase of transmission input shaft
Even, experiment 9 other end of transmission input shaft is connected by shaft coupling with 14 bracket connecting shaft of first support, 47 one end, and described first
14 bracket connecting shaft of bracket, 47 other end is connected with 10 one end of first shaft coupling, installs in the middle part of the experiment transmission input shaft 9
First support 11 on, 10 other end of first shaft coupling with experiment gearbox 12 be connected, experiment gearbox 12 shift fork and
First automatic gear shift apparatus 13 is connected, and tests gearbox 12 and be fixedly mounted in first support 14, the experiment gearbox 12
First output shaft, 15 right end is connected by shaft coupling with third tachometer torquemeter 16, and third tachometer torquemeter 16 passes through
Shaft coupling is connected with 17 input shaft of third closed gear case, and 17 output shaft of third closed gear case is by shaft coupling and accompanies examination speed change
2 first input shaft 18 of case is connected, and 12 second output shaft of the experiment gearbox, 19 left end passes through shaft coupling and the second torque rotary speed
Measuring instrument 20 is connected, and the second tachometer torquemeter 20 is connected by shaft coupling with 21 input shaft of the second closed gear case, and second
21 output shaft of closed gear case is connected by shaft coupling with examination 2 second input shaft 22 of gearbox is accompanied, and examination gearbox 2 is accompanied to be fixedly mounted
In second support 23, the shift fork of examination gearbox 2 is accompanied to be connected with the second automatic gear shift apparatus 24, it is described that examination gearbox 2 is accompanied to input
Axis is connected by shaft coupling with 23 bracket connecting shaft of second support, 47 one end, 23 bracket connecting shaft of second support, 47 other end
It is connected with 25 one end of second shaft coupling, 25 other end of second shaft coupling is connected with 26 input shaft of the 4th closed gear case, the 4th envelope
It closes 26 output shaft of gear-box to be connected by shaft coupling with 27 one end of connecting shaft, 27 other end of connecting shaft is added by shaft coupling with hydraulic
Device 28 is carried to be connected, 28 output shaft of hydraulic pressure loading device is connected by shaft coupling with the 5th closed gear case 29, the connecting shaft 27 according to
Secondary to be mounted in the second support 30, third support 31 and the 4th support 32,29 output shaft of the 5th closed gear case passes through connection
Axis device is connected with 7 input shaft of the first closed gear case, the first closed gear case 7, the second closed gear case 21, third closed gear
Case 17, the 4th closed gear case 26 are identical with the transmission ratio of the 5th closed gear case 29, and are equal to one.
The first air-cooler 33 is provided on the outside of the experiment gearbox 12, described accompany is provided with second on the outside of examination gearbox 2
Air-cooler 34.
As shown in Figure 3 and Figure 4, first support 11, second supports 30, third support 31 and the 4th support 32 includes
Pedestal 35 is provided with first bearing seat 36 at the top of pedestal 35, the first through type forced filling oil cup is provided at the top of first bearing seat 36
37,36 inner wall of first bearing seat is equipped with self-aligning ball bearing 38, and 36 left and right ends of first bearing seat are provided with first end cover 39, the
Interior packet outside framework oil seal 40 is provided in one end cap, 39 inboard groove.
As shown in figure 5, the first support 14 and second support 23 include bracket 41, the second axis is provided in the middle part of bracket 41
Seat 42 is held, 42 inner cavity right end of second bearing seat is provided with the first rolling bearing 43, and 43 left end of the first rolling bearing is provided with axle sleeve
44,44 left end of axle sleeve is provided with the second rolling bearing 45, and 45 left end bracket of the second rolling bearing, 41 inner hole is provided with second end cover
46, first rolling bearing 43, axle sleeve 44, the second rolling bearing 45 and 46 inner hole of second end cover are interspersed with bracket connecting shaft
47,47 outer wall of bracket connecting shaft is provided with the retaining ring 48 positioned at 45 left end of the second rolling bearing, and 48 right side of retaining ring and second
The fitting of 45 inner ring left side of rolling bearing, 42 top middle portion of second bearing seat are provided with the second through type forced filling oil cup 49,
42 right end of second bearing seat is provided with connecting plate 50, and 50 left side of connecting plate is bonded with 41 right side of bracket, and first
Frame 14 and second support 23 try the size for connection of gearbox 2 and automobile engine according to experiment gearbox 12 and accompanying, and combine
Experiment gearbox 12 and the input/output structure design for accompanying examination gearbox 2, can be firmly fixed experiment gearbox 12 and accompany examination
Gearbox 2, therefore avoid experiment gearbox 12 and the fixed shakiness of examination gearbox 2 is accompanied to influence experimental result.
As shown in fig. 6, the first shaft coupling 10 and second shaft coupling 25 are reequiped by existing clutch, described first
Axis device 10 and second shaft coupling 25 include terminal pad 51, and 51 inner ring of terminal pad and frictional disk 52 rivet, the outer ring point of terminal pad 51
It is not spirally connected with flywheel 53 and clutch case 54, since the installation space between component is limited, on the basis of existing clutch configuration
Install terminal pad 51 additional, repack first shaft coupling 10 and second shaft coupling 25 into, realize the bracket connecting shaft 47 of first support 14 with
It tests the bracket connecting shaft 47 of 12 axis of gearbox and second support 23 and accompanies examination 2 elastic connection of gearbox, and after repacking
Clutch, that is, first shaft coupling 10 and second shaft coupling 25 have the function of connecting passing movement.
As shown in Fig. 2, the lubrication cooling system 3 includes fuel tank 55 and water tank 56,55 oil outlet of fuel tank passes through confession
Oil pipe line is connected with oil pump 57, and oil pump 57 passes through oil feed line and gearbox 6, the first closed gear case 7, the 4th closed gear case
26 are connected with the 5th closed gear case 29, gearbox 6, the first closed gear case 7, the 4th closed gear case 26 and the 5th closing tooth
Roller box 29 is connected by oil return line with 55 oil return opening of fuel tank, and 56 water outlet of water tank passes through water supply pipe and 58 phase of water pump
Even, the water pump 58 is connected with cooling line one end, and the cooling line other end is connected with 56 water return outlet of water tank, heat radiation lubricating
Lubrication is provided for experimental rig in system and is radiated to hydraulic oil.
The computer 5 is connected with control cabinet 4, the control cabinet 4 and hydraulic pressure loading device 28, water pump 58, oil pump 57, first
Automatic gear shift apparatus 13, the second automatic gear shift apparatus 24,1 electricity of the first air-cooler 33, the second air-cooler 34 and frequency control motor
Connection.
A kind of experimentation of power flow mechanical close formula manual automotive gearboxes experimental bench to gearbox transmission efficiency, packet
Include following steps,
Step 1, gearbox 12 will be tested and examination gearbox 2 is accompanied to be fixedly mounted in first support 14 and second support 23,
And guarantee each axis to neutrality；
Step 2, complete referring to " automobile mechanical makes transmission assembly Bench test methods " light-duty test specification of second part
At apparatus of the present invention to experiment gearbox 12 and the adjustment for accompanying examination gearbox 2；
Step 3, into experiment, experiment gearbox 12 after adjustment and examination gearbox 2 is accompanied to fill lubricating oil again, by oil temperature
In measuring instrument installation and 55 inner wall of fuel tank；
Step 4, optional test oil temperature and test gear, measure the feelings of different input torques in a certain revolving speed of the gear
Transmission efficiency under condition；Measure the transmission efficiency in a certain torque of the gear in the case where different input speeds；
(1) in the case where one grade of initial trial gear selection, guarantee experiment gearbox 12 and accompany try gearbox 2 identical
Gear prevents different stalls from stuck phenomenon occur, after oil temperature reaches experiment setting oil temperature, selects a certain revolving speed, hydraulic loaded
Device 28 loads the torque set automatically, the torque applied during loading by input torque measuring instrument real-time measurement
Value controls hydraulic pressure loading device 28 by computer 5 and loads different torques, and acquires input torque, input speed, output turn
Square, output revolving speed and temperature signal, calculate real-time transmission efficiency by computer 5；
(2) it by adjusting the revolving speed of frequency control motor 1, repeats step (1), measures the gear different rotating speeds, different torsions
Transmission efficiency under square；
(3) friction speed under gear is set, after the completion of different torque experiments, hydraulic pressure loading device 28 unloads, certainly by first
Manual shift gear 13 and the shift of the second automatic gear shift apparatus 24, repeat step (1), measure each gear in different oil temperatures, difference
Transmission efficiency under revolving speed and different torques；
(4) in each case, recording 10 groups of data respectively, experiment gearbox 12 under the operating condition is calculated by mean value method
With the transmission efficiency for accompanying examination gearbox 2.
Claims (7)
1. a kind of power flow mechanical close formula manual automotive gearboxes experimental bench, which is characterized in that including frequency control motor, accompany
Try gearbox, lubrication cooling system, control cabinet and computer, the frequency control motor output end and gearbox input terminal phase
Even, gearbox output end is connected with the first closed gear case, and the first closed gear case output shaft is turned by the first torque of shaft coupling
Fast measuring instrument is connected, and the first tachometer torquemeter is connected by shaft coupling with experiment transmission input shaft one end, tests speed change
The case input shaft other end is connected by shaft coupling with first support one end of the connecting shaft, the first support connecting shaft other end and the
One shaft coupling one end is connected, and is mounted in the first support in the middle part of the experiment transmission input shaft, the first shaft coupling is another
End is connected with experiment gearbox, and the shift fork for testing gearbox is connected with the first automatic gear shift apparatus, and tests the fixed peace of gearbox
In first support, experiment gearbox the first output shaft right end passes through shaft coupling and third tachometer torquemeter phase
Even, third tachometer torquemeter is connected by shaft coupling with third closed gear case input shaft, the output of third closed gear case
Axis is connected by shaft coupling with examination the first input shaft of gearbox is accompanied, and the second output shaft of experiment gearbox left end passes through shaft coupling
It is connected with the second tachometer torquemeter, the second tachometer torquemeter passes through shaft coupling and the second closed gear case input shaft phase
Even, the second closed gear case output shaft is connected by shaft coupling with examination the second input shaft of gearbox is accompanied, and accompanies the fixed peace of examination gearbox
Dress on the secondary support bracket, accompanies the shift fork of examination gearbox to be connected with the second automatic gear shift apparatus, described to accompany examination transmission input shaft logical
It crosses shaft coupling to be connected with second support one end of the connecting shaft, the second support connecting shaft other end and second shaft coupling one end phase
Even, the second shaft coupling other end is connected with the 4th closed gear case input shaft, and the 4th closed gear case output shaft passes through shaft coupling
It is connected with one end of the connecting shaft, the connecting shaft other end is connected by shaft coupling with hydraulic pressure loading device, and hydraulic pressure loading device output shaft passes through
Shaft coupling is connected with the 5th closed gear case, and the connecting shaft is sequentially arranged in the second support, third support and the 4th support,
The 5th closed gear case output shaft is connected by shaft coupling with the first closed gear case input shaft.
2. a kind of power flow mechanical close formula manual automotive gearboxes experimental bench according to claim 1, it is characterised in that:
The first air-cooler is provided on the outside of the experiment gearbox, described accompany is provided with the second air-cooler on the outside of examination gearbox.
3. a kind of power flow mechanical close formula manual automotive gearboxes experimental bench according to claim 1, it is characterised in that:
First support, the second support, third support and the 4th support include pedestal, and base top is provided with first bearing seat,
It is provided with the first through type forced filling oil cup at the top of first bearing seat, first bearing seat inner wall is equipped with self-aligning ball bearing, first axle
It holds a left and right ends and is provided with first end cover, interior packet outside framework oil seal is provided in first end cover inboard groove.
4. a kind of power flow mechanical close formula manual automotive gearboxes experimental bench according to claim 1, it is characterised in that:
The first support and second support include bracket, and mid-stent is provided with second bearing seat, and second bearing seat inner cavity right end is set
It is equipped with the first rolling bearing, the first rolling bearing left end is provided with axle sleeve, and axle sleeve left end is provided with the second rolling bearing, the second rolling
Dynamic bearing left end bracket inner hole is provided with second end cover, first rolling bearing, axle sleeve, the second rolling bearing and second end cover
Inner hole is interspersed with output shaft, and output shaft outer wall is provided with the retaining ring positioned at the second rolling bearing left end, and retaining ring right side and the
The fitting of two rolling bearing inner ring left sides, the second bearing seat top middle portion is provided with the second through type forced filling oil cup, described
Second bearing seat right end is provided with connecting plate, and connecting plate left side is bonded with bracket right side.
5. a kind of power flow mechanical close formula manual automotive gearboxes experimental bench according to claim 1, it is characterised in that:
The first shaft coupling and second shaft coupling are reequiped by existing clutch, and the first shaft coupling and second shaft coupling include connecting
Disk is connect, terminal pad inner ring and frictional disk rivet, and the outer ring of terminal pad is spirally connected with flywheel and clutch case respectively.
6. a kind of power flow mechanical close formula manual automotive gearboxes experimental bench according to claim 1, it is characterised in that:
The lubrication cooling system includes fuel tank and water tank, and the fuel tank oil outlet is connected by oil feed line with oil pump, and oil pump passes through
Oil feed line is connected with gearbox, the first closed gear case, the 4th closed gear case and the 5th closed gear case, gearbox,
One closed gear case, the 4th closed gear case and the 5th closed gear case are connected by oil return line with tank drainback mouth, described
Water outlet of water tank is connected by water supply pipe with water pump, and the water pump is connected with cooling line one end, and the cooling line is another
End is connected with water container backwater mouth.
7. existing according to claim 1 with a kind of power flow mechanical close formula manual automotive gearboxes experimental bench, feature described in 6
In: the computer is connected with control cabinet, the control cabinet and hydraulic pressure loading device, water pump, oil pump, the first automatic gear shift apparatus,
Second automatic gear shift apparatus, the first air-cooler, the second air-cooler and frequency control motor electrical connection.
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| CN201810777833.7A CN108982100A (en) | 2018-07-16 | 2018-07-16 | A kind of power flow mechanical close formula manual automotive gearboxes experimental bench |
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| CN201810777833.7A CN108982100A (en) | 2018-07-16 | 2018-07-16 | A kind of power flow mechanical close formula manual automotive gearboxes experimental bench |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530649A (en) * | 2019-08-28 | 2019-12-03 | 中国航发南方工业有限公司 | A kind of aircraft engine test stand oil system |
| CN111256984A (en) * | 2020-03-25 | 2020-06-09 | 重庆大学 | Mechanical power closed gear test bed |
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