CN207408107U - A kind of contracting is than friction material inertia bench - Google Patents
A kind of contracting is than friction material inertia bench Download PDFInfo
- Publication number
- CN207408107U CN207408107U CN201720701803.9U CN201720701803U CN207408107U CN 207408107 U CN207408107 U CN 207408107U CN 201720701803 U CN201720701803 U CN 201720701803U CN 207408107 U CN207408107 U CN 207408107U
- Authority
- CN
- China
- Prior art keywords
- caliper
- friction
- test
- friction material
- main shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model is related to a kind of contracting than friction material inertia bench more particularly to one kind with contracting ratio 1 substantially:5 determine the scaled down version friction material inertia bench of important technological parameters.It is 2 × 10cm to pushing up special caliper, 2 test blocks, test block area using twin-tub2.Friction pair disk size is 148 × Φ of Φ, 50 × 8.5mm.Rack is by host (1), shaft coupling (2), Ultra-Low Speed driving device (3), left shaft holder (4), main shaft (5), flywheel group (6), wireless temperature measuring device (7), right axle bearing (8), caliper (9), caliper installation set (10), measuring arm of force (11), friction pair disk (12), engine base (13), brake pressure generator (14) and TT＆C system composition.This contracting ratio table can be used 1:The identical test method of 1 inertia bench, result of the test and 1:1 rack has excellent comparativity and uniformity, and simple, economical, fast, is to substitute existing little sample testing machine, is researched and developed for friction material formulation, quality control, the ideal equipment of quality testing.
Description
Technical field
The utility model belongs to a kind of contracting suitable for friction material than inertia bench, has the work(for simulating actual condition
Can, result of the test has good comparativity with full-scale assembly testing bench, is applicable in friction material raw material and Formula Development, quality
Control and basic research, possess the characteristics of simple, economic, quick.It is the ideal for substituting existing constant speed formula friction material test machine
Type.
Background technology
Friction material (brake facing) is the particularly important safety member of automobile.In friction material exploitation and production process
In, it is necessary to carry out substantial amounts of performance test and appraisal.
Friction (braking) method for testing performance is divided into two major classes：Examination that simulation actual condition is tested and constant speed (constant temperature) is dawdled
It tests；The former can simulate actual condition, have very high comparativity with complete vehicle test result, can be as the foundation of performances evaluation；
And the test method that constant speed (constant temperature) is dawdled, due to not possessing the condition of simulation operating mode, result of the test is mutually gone very with complete vehicle test
Far, progressively it is eliminated.
Friction (braking) performance test mode is divided into as assembly experiment and little sample testing；Assembly experimentation cost is high, and time-consuming；
And the little sample testing (subscale test) of assembly operating condition of test can be simulated, testing cost, Speeding up development progress can be reduced.
Friction Materials and production, be badly in need of it is a kind of can simulate actual condition, accurate, quick and economic experiment is set
It is standby.
The content of the invention
The utility model is directed to the shortcomings that existing various friction material little sample testing machines and 1:The advantages of 1 inertia bench, with
Based on the theory of similarity, a kind of friction material inertia bench of contracting ratio is developed.
With reference to the accompanying drawings, it is described as follows：
A kind of contracting is than friction material inertia bench, mainly by main motor 1, shaft coupling 2, Ultra-Low Speed driving device 3, left bearing
Seat 4, main shaft 5, flywheel group 6, wireless temperature measuring device 7, right axle bearing 8, caliper 9, caliper installation set 10, annular measuring arm of force
27, friction pair disk 12, engine base 13, pressure generator 14 and TT＆C system form；
The motor 1 is mounted on plane one end on engine base 13 and is connected with main shaft 5, and 5 other end of main shaft is equipped with friction pair
Even disk 12；Convex shoulder is machined among main shaft 5, for installing inertial flywheel group 6, the main shaft 5 passes through left shaft holder 4, right bearing
Seat 8 supports；
The annular measuring arm of force 27 is mounted between outward flange 28 and caliper installation set 10, and three couples fastening, ring
One end of shape measuring arm of force 27 is equipped with force snesor 29, and is connected with the sensor support base 30 being fixed on engine base 13；
The caliper 9 is mounted in caliper installation set 10, by left caliper 15, right caliper body 16, double-piston 17, test specimen
18 composition of folder, the double-piston 17 are separately mounted to left caliper 15, inside right caliper body 16, are tested friction material mounted in test specimen folder
On 18, it is inserted into braking clamp body with test specimen folder and is arranged on the both sides of friction pair disk 12；Pressure generator 14 is arranged on engine base
Pressure transmission is clamped in vivo double-piston 17 and the friction in test specimen folder 18 is promoted to try by 13 lower planes by oil pipe to caliper 9
Block, grip friction antithesis disk 12, so as to generate frictional force brakes；
The wireless temperature measuring device 7, on 28 left side of outward flange and main shaft 5, for measuring friction pair disk
12 temperature；
The sprocket wheel 24 can be moved left and right along main shaft 5 is axial, by sprocket wheel 24 and be fixed on engine base by chain and put down for 13 time
The Ultra-Low Speed driving device 3 in face is connected, and realizes main shaft and 3 clutch of Ultra-Low Speed driving device；
Above-mentioned contracting is to be based on the theory of similarity than friction material inertia bench, and to test style friction area as car disc type
The 1/5 of the friction area of friction plate is as basic design parameters of the contracting than friction material inertia bench.
Demarcate bar 11 is additionally provided on the annular measuring arm of force 27, in tail end equipped with scale pan, for force snesor 29
Calibration.
The pressure generator 14 is passed by servomotor 19, synchronous belt 20, ball-screw 21, master cylinder 22 and pressure
Sensor 23 forms, and pressure generator 14 brakes required hydraulic coupling for generating.
The outward flange 28 is machined with seam allowance with 10 inside of caliper installation set, for the positioning of annular measuring arm of force 27.
The motor 1 is connected by shaft coupling 2 with main shaft 5, and when doing Ultra-Low Speed experiment, the sprocket wheel 24 is moved to left simultaneously
It is sleeved on the right end seam allowance of shaft coupling 2 and fixed, by chain by sprocket wheel 24 and the Ultra-Low Speed for being fixed on 13 lower plane of engine base
Driving device 3 is connected, and at this moment main motor 1 does not work, and is tested by 3 drive shaft 5 of Ultra-Low Speed driving device；Doing conventional examination
When testing, sprocket wheel 24 is moved to right and is fixed on 4 left side flange 25 of left shaft holder, realizes that main shaft 5 is separated with Ultra-Low Speed driving device 3,
At this moment 1 drive shaft 5 of main motor is tested, and Ultra-Low Speed driving device 3 does not work.
Advantageous effect：The utility model is carefully having studied 1:On the basis of the characteristics of 1 assembly is tested, a kind of contracting ratio is released
Inertial test table compared with existing same category of device, there is following characteristics：
1st, the inputs such as braking inertia, braking moment, brake pressure, retro-speed necessary to possessing brake assembly experiment
And control condition；
2nd, in strict accordance with 1:5 contracting ratio calculates subscale test parameter, and then determines that contracting is joined than the technology of inertial test table
Number；
3rd, using caliper brake structure is determined, possess the brake pressure load mode identical with assembly experiment；
4th, test block is intercepted from product, keeps its authenticity；
5th, unified brake and brake disc eliminate in assembly experiment different braking device and brake disc to result of the test
It influences；
6th, possess the test specification and data processing method identical with full-scale assembly experiment, ensure that the weight of the two data
Existing property.
The contracting of this new construction than inertial test table especially suitable for be directed to the basic research of friction material, product development and
Production process quality control.
Description of the drawings
Fig. 1 is the utility model structure chart；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is main axle structure figure；
Fig. 4 is annular measuring arm of force structure chart；
Fig. 5 is the top view of Fig. 4；
Fig. 6 is caliper structure chart；
Fig. 7 is the left view of Fig. 6；
Fig. 8 is test specimen clamping structure figure；
Fig. 9 is the left view of Fig. 8；
Figure 10 is friction pair dish structure figure；
Figure 11 is the sectional view of Figure 10；
Figure 12 is flywheel carrier structure figure；
Figure 13 is the left view of Figure 12；
Figure 14 is pressure generator structure chart；
Figure 15 is relation of the coefficient of friction/brake temperature with braking number；
Figure 16 is (1:5) coefficient of friction/brake temperature and the relation of braking number.
Wherein：In figure：1st, main motor 2, shaft coupling 3, Ultra-Low Speed driving device 4, left shaft holder 5, main shaft 6, flywheel group 7,
Wireless temperature measuring device 8, right axle bearing 9, caliper 10, caliper installation set 11, demarcate bar 12, friction pair disk 13, engine base 14,
Pressure generator 15, left caliper 16, right caliper body 17, double-piston 18, test specimen folder 19, servomotor 20, synchronous belt 21, ball-screw
22nd, master cylinder 23, pressure sensor 24, sprocket wheel 25, end cap 26 on the left of left shaft holder, flywheel bracket 27, annular measuring arm of force 28,
Outward flange 29, force snesor 30, sensor support base
Specific embodiment
Furtherly describe bright the utility model in detail below by way of specific embodiment
A kind of contracting is than friction material inertia bench, mainly by main motor 1,2 Ultra-Low Speed driving device 3 of shaft coupling, left bearing
Seat 4, main shaft 5, flywheel group 6, wireless temperature measuring device 7, right axle bearing 8, caliper 9, caliper installation set 10, annular measuring arm of force
27, friction pair disk 12, engine base 13, pressure generator 14 and TT＆C system form.
The motor 1, is alternating-current variable frequency motor, the plane left end on engine base 13, by shaft coupling 2 and passes through a left side
The main shaft 5 that bearing block 4, right axle bearing 8 support is connected.
The main shaft 5, centre is machined with convex shoulder, for installing inertial flywheel group 6.5 right end of main shaft is equipped with friction pair
Disk 12, appearance and size are 148 × Φ of Φ, 50 × 8.5mm.
The flywheel group 6, is made of multiple flywheels, is fixed between flywheel with screw attachment, is not involved in the flywheel of experiment,
After removing mounting screw, flywheel is axially moveable, and is screwed on the flywheel bracket 26 on engine base, is separated with main shaft 5.
The sprocket wheel 24, can move left and right vertically, realize main shaft and 3 clutch of Ultra-Low Speed driving device.Contracting ratio table
When doing ultralow speed test, sprocket wheel 24 is moved to left and is sleeved on the right end seam allowance of shaft coupling 2, and is fixed sprocket wheel with screw
On shaft coupling right side, sprocket wheel 24 is connected with being fixed on the Ultra-Low Speed driving device 3 of 13 lower plane of engine base by chain, this
When main motor 1 do not work, tested by 3 drive shaft 5 of Ultra-Low Speed driving device.When doing routine test, sprocket wheel 24 moves to right
And be fixed on jackscrew on the left of left shaft holder on flange 25, realize that main shaft 5 is separated with Ultra-Low Speed driving device 3, at this moment main motor 1
Drive shaft 5 is tested, and Ultra-Low Speed driving device 3 does not work.
The annular measuring arm of force 27 is semi-circular, between outward flange 28 and caliper installation set 10, San Zhetong
Screw attachment fastening is crossed, outward flange 28 is machined with seam allowance with 10 inside of caliper installation set, for the positioning of annular measuring arm of force 27.
One end of annular measuring arm of force 27 is equipped with force snesor 29, and is connected with the sensor support base 30 being fixed on engine base 13.Simulate vapour
When vehicle is braked, the work of pressure generator 14 generates pressure (pressure generator patent No. ZL201120020934.3), passes through oil pipe
Caliper 9 is passed to, in vivo double-piston 17 is clamped and promotes friction test block in test specimen folder 18, grip friction antithesis disk 12, so as to
Frictional force is generated, main shaft 5 is made to slow down and is even stopped operating.Since the effect of power is mutual, caliper 9 is to friction pair disk
While 12 generation frictional force, friction pair disk 12 can give caliper 9 one opposite forces, this power passes through caliper installation set
10th, measuring arm of force 27 passes to force snesor 29, and measuring system records parameter needed for the items of the process.
The demarcate bar 11, on annular measuring arm of force, in tail end equipped with scale pan, for the mark of force snesor 29
It is fixed.
The caliper 9 is patented：A kind of double cylinder brake clamps ZL201520705728.4, by left caliper 15, the right side
Caliper 16, double-piston 17,18 composition of test specimen folder.Caliper 9 is mounted on the caliper installation set 10 on 8 race bearing of right axle bearing
On.
The double-piston 17 is the piston of two a diameter of Φ 25.4mm, is separately mounted to left caliper 15, right caliper body 16
Inside is distributed in the both sides of brake disc 12.
The friction material test block is two pieces, the reference block of 25mm*40mm, on test specimen folder 18, test specimen folder 18
On caliper 9, test block allows 8~18mm of thickness, can be directly cut into from the brake block with backboard.
The wireless temperature measuring device 7, on 28 left side of outward flange and main shaft 5, for measuring friction pair disk
12 temperature.
The pressure generator 14 is patented：A kind of electric servo control push rod, the patent No.
ZL201120020934.3, by 23 groups of servomotor 19, synchronous belt 20, ball-screw 21, master cylinder 22 and pressure sensor
Into.Pressure generator 14 brakes required hydraulic coupling for generating.
The structure and working principle of contracting ratio table
1st, operation principle
The testing stand can complete routine test and Ultra-Low Speed experiment, and the inertia value according to needed for operating condition of test matches flywheel
Group (6) flywheel quantity.
When testing stand carries out routine test, control system sends instruction, 1 drive shaft 5 of motor, flywheel group 6, friction pair
The shaftings associated parts such as even disk 12 are rotated up to rotating speed needed for simulation speed.When simulated automotive is braked, the work production of pressure generator 14
Raw pressure, caliper 9 is passed to by oil pipe, clamps in vivo double-piston 17 and test specimen is promoted to press from both sides the friction test block in 18, clamping rubs
Antithesis disk 12 is wiped, so as to generate frictional force, main shaft 5 is made to slow down and is even stopped operating.Since the effect of power is mutual, caliper
While 9 pairs of friction pair disks 12 generate frictional force, friction pair disk 12 can give caliper 9 one opposite forces, this power passes through
Caliper installation set 10, measuring arm of force 27 pass to force snesor 29, and measuring system records parameter needed for the items of the process.
When testing stand carries out Ultra-Low Speed experiment, main shaft 5 is driven by chain with being fixed on the Ultra-Low Speed of 13 lower plane of engine base
Dynamic device 3 is connected, and at this moment main motor 1 does not work.Control system sends instruction, and caliper 9 clamps brake disc 12, starts Ultra-Low Speed
Driving device 3 makes main shaft slowly become rotating from static, and measuring system is recorded by the static items that this process is rotated to
Required parameter.
2nd, contracting ratio determines
In tribological field, numerous studies show：The friction area contracting of subscale test is more proper than for 1/4~1/10.
For Automotive Friction Material subscale test：30~60cm is generally in view of the friction area of car disk brake pad2, it is existing
Little sample testing machine such as, constant speed sample for testing machine size (25 × 25mm), Chase sample for testing machine friction areas (about 6.45cm2),
Therefore determining 1/5 that subscale test style friction area is actual style friction area, the Basic Design as subscale test machine is joined
Number.And the core of the utility model design.
Principle is compared according to the contracting of the parameter of the principle of similitude, it may be determined that the geometric sense of first power, as the contracting ratio of friction radius is
1/51/2。
To ensure subscale test and 1:1 experiment is comparable, and also to ensure effect of the main parameters in subscale test
With 1:1 experiment has uniformity.The test simulation criterion of this namely subscale test.
According to the principle of similitude, by geometry is similar, principle of similarity kinematic similarity, dynamical phase, friction material is determined
Material subscale test test simulation principle be specially：
There is proportionate relationship (to determine the several of the first powers such as friction radius for the secondary form of friction and material uniformity, physical dimension
Any quantity contracting ratio)；
Linear velocity, braking deceleration at friction radius is equal (determining speed of mainshaft contracting ratio)；
Rubbing surface work is than pressing equal (determining brake pressure contracting ratio)；
Friction temperature heating and cooling mode and temperature changing process are identical (determining cooling system structure and parameter)；
The unit friction work (rate) that friction material unit area undertakes is equal (determining rotary inertia contracting ratio)；
The thermic load that friction brake disk unit volume undertakes is equal (providing foundation for the design of brake disc dimensional structure).
According to above-mentioned test simulation principle, it may be determined that the contracting ratio of other physical quantitys, so as to be designed for subscale test machine
Foundation is provided.
During subscale test, by the parameter of certain vehicle, by above-mentioned contracting ratiometric conversion into experiment parameter.And Adjustment Tests machine
Test parameters, such as adjustment brake system pressure, inertia configuration, the speed of mainshaft.It contracts by a certain vehicle parameter more real than after conversion
It is as shown in table 1 to test parameter.
Table 1 is according to 1：5 contracting ratios, the subscale test parameter of a certain vehicle of calculating
In addition to above-mentioned calculating, ensure that subscale test platform and the key factor of full-scale assembly testing bench comparativity also have：
Using 2 test blocks, double-piston is to pushing up formula (determining jaw type) caliper, brake caliper piston diameter of phi 25mm, test block area
2x10cm2, friction pair disk size is 148 × Φ of Φ, 50 × 8.5mm.
3rd, the important technological parameters of contracting ratio table
Main motor current：7.5~22KW frequency controls
Inertia：Base inertia I0=0.15kg.m2
Flywheel inertia I1=0.25kg.m2
I2=0.25kg.m2
I3=0.25kg.m2
I4=1.0kg.m2
I5=1.0kg.m2
I6=1.0kg.m2
Electrical analogue inertia IElectricity=± 0.5kg.m2
Total inertia：0.15~4.4kg.m2
The speed of mainshaft：0~4,000r/min
Brake wrench structure：Double-piston is to top formula (determining caliper brake)
Test block area：10cm2×2
Test block size：25mm × 40mm × 8~18mm (thickness)
Brake fluid pressure：0~200bar
Extremely low rotating speed：0~0.01r/min
Temperature survey：Room temperature~800 DEG C
4th, the test case of contracting ratio table
Reduced parameter is determined first, as shown in table 2：
Table 21:1 and 1:5 parameter conversions
See (Tiguan) automotive front brake vehicle and brake parameter in way
Contracting compares correction factor than the contracting of brake parameter
Test parameters
5th, test result compares
Test specification：JSAO C406, constant moment of force braking mode；
Brake assembly testing stand (1:1) result of the test is shown in Figure 15；(1:5) coefficient of friction/brake temperature and braking number
Relation, see Figure 16
Test data summarizes：It is shown in Table 3
3 test data of table summarizes
Data comparison shows that the two has preferable comparativity and uniformity.
Claims (5)
1. a kind of contracting is than friction material inertia bench, mainly by main motor (1), shaft coupling (2), Ultra-Low Speed driving device (3) are left
Bearing block (4), main shaft (5), flywheel group (6), wireless temperature measuring device (7), right axle bearing (8), caliper (9), caliper installation
It covers (10), annular measuring arm of force (27), friction pair disk (12), engine base (13), pressure generator (14) and TT＆C system composition,
It is characterized in that：
The motor (1) is mounted on plane one end on engine base (13) and is connected with main shaft (5), and main shaft (5) other end is equipped with and rubs
Wipe antithesis disk (12)；Convex shoulder is machined among main shaft (5), for installing inertial flywheel group (6), the main shaft (5) passes through left axle
Bearing (4), right axle bearing (8) support；
The annular measuring arm of force (27) is mounted between outward flange (28) and caliper installation set (10), and three couples fastening,
One end of annular measuring arm of force (27) is equipped with force snesor (29), and sensor support base (30) phase with being fixed on engine base (13)
Even；
The caliper (9) is mounted in caliper installation set (10), by left caliper (15), right caliper body (16), double-piston
(17), test specimen folder (18) composition, the double-piston (17) are separately mounted to left caliper (15), right caliper body (16) inside, are tested
Friction material is inserted into braking clamp body with test specimen folder and is arranged on the both sides of friction pair disk (12) on test specimen folder (18)；
Pressure generator (14) is arranged on engine base (13) lower plane, gives pressure transmission to caliper (9) by oil pipe, clamps in vivo dual-active
Filling in (17) promotes test specimen to press from both sides the friction test block in (18), grip friction antithesis disk (12), so as to generate frictional force brakes；
The wireless temperature measuring device (7), on outward flange (28) left side and main shaft (5), for measuring friction pair
The temperature of disk (12)；
Sprocket wheel (24) can axially be moved left and right along main shaft (5), and by sprocket wheel (24) and engine base (13) lower plane is fixed on by chain
Ultra-Low Speed driving device (3) be connected, realize main shaft and Ultra-Low Speed driving device (3) clutch；
Above-mentioned contracting is to test friction area of the style friction area as car disk brake pad than friction material inertia bench
1/5 as basic design parameters of the contracting than friction material inertia bench.
2. a kind of contracting according to claim 1 is than friction material inertia bench, it is characterised in that：The annular measuring arm of force
(27) demarcate bar (11) is additionally provided on, in tail end equipped with scale pan, for the calibration of force snesor (29).
3. a kind of contracting according to claim 1 is than friction material inertia bench, it is characterised in that：The pressure generator
(14) it is made of servomotor (19), synchronous belt (20), ball-screw (21), master cylinder (22) and pressure sensor (23),
Pressure generator (14) brakes required hydraulic coupling for generating.
4. a kind of contracting according to claim 1 is than friction material inertia bench, it is characterised in that：The outward flange (28)
With being machined with seam allowance on the inside of caliper installation set (10), for the positioning of annular measuring arm of force (27).
5. a kind of contracting according to any of the above claim is than friction material inertia bench, it is characterised in that：The motor
(1) it is connected by shaft coupling (2) with main shaft (5), when doing Ultra-Low Speed experiment, the sprocket wheel (24) is moved to left and is sleeved on connection
It is on the right end seam allowance of axis device (2) and fixed, sprocket wheel (24) is driven with being fixed on the Ultra-Low Speed of engine base (13) lower plane by chain
Dynamic device (3) is connected, and at this moment main motor (1) does not work, and is tested by Ultra-Low Speed driving device (3) drive shaft (5)；It is doing
During routine test, sprocket wheel (24) is moved to right and is fixed on the left of left shaft holder (4) on flange (25), realizes main shaft (5) and Ultra-Low Speed
Driving device (3) separates, and at this moment main motor (1) drive shaft (5) is tested, and Ultra-Low Speed driving device (3) does not work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720701803.9U CN207408107U (en) | 2017-06-15 | 2017-06-15 | A kind of contracting is than friction material inertia bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720701803.9U CN207408107U (en) | 2017-06-15 | 2017-06-15 | A kind of contracting is than friction material inertia bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207408107U true CN207408107U (en) | 2018-05-25 |
Family
ID=62322285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720701803.9U Active CN207408107U (en) | 2017-06-15 | 2017-06-15 | A kind of contracting is than friction material inertia bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207408107U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014624A (en) * | 2017-06-15 | 2017-08-04 | 珠海格莱利摩擦材料有限公司 | One kind contracting is than friction material inertia bench |
| CN109900502A (en) * | 2019-03-25 | 2019-06-18 | 吉林大学 | A kind of sub- property test platform of sweeper grinding |
-
2017
- 2017-06-15 CN CN201720701803.9U patent/CN207408107U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014624A (en) * | 2017-06-15 | 2017-08-04 | 珠海格莱利摩擦材料有限公司 | One kind contracting is than friction material inertia bench |
| CN109900502A (en) * | 2019-03-25 | 2019-06-18 | 吉林大学 | A kind of sub- property test platform of sweeper grinding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107014624A (en) | One kind contracting is than friction material inertia bench | |
| CN111307437B (en) | Rotary tribology behavior simulation test bed for realizing vibration decoupling | |
| CN201335766Y (en) | Frictional wear testing machine for cylinder sleeve and piston ring | |
| CN101561352A (en) | Automobile clutch comprehensive performance test bed | |
| CN206095625U (en) | Many specifications main shaft functional unit synthesizes mechanical characteristic test platform | |
| CN109799100B (en) | Modularized comprehensive brake performance test bench | |
| CN108132147A (en) | A kind of electrical analogue compensation method of automobile clutch testing stand and Rotary Inertia of Flywheel | |
| CN207408107U (en) | A kind of contracting is than friction material inertia bench | |
| CN104266837A (en) | Ball screw performance testing testbed based on motor servo loading | |
| CN109541464A (en) | One kind being used for the multi-functional electromechanical testing platform of different model | |
| CN104359686B (en) | Automotive disc brake braking shake and testing stand of screaming | |
| CN103245581B (en) | Duplex piston ring-cylinder sleeve frictional wear test station | |
| CN104359782B (en) | Abrasion tester | |
| CN204666352U (en) | A kind of brake shoe testing machine | |
| CN109752202B (en) | Train disc type caliper brake test bed with rigidity adjustable structure | |
| CN102323172B (en) | Shrink ratio test stand for testing performance of brake material for railway train | |
| CN108593307B (en) | 1:1 simulation working condition inertia experiment bench and experiment method | |
| CN205749177U (en) | A kind of electrical analogue friction plate inertia subscale test platform of multi-scenarios method | |
| CN100504345C (en) | Friction test machine for small sample contracting ratio table | |
| CN105716983B (en) | A kind of electrical analogue friction plate inertia subscale test platform of multi- scenarios method | |
| CN201051064Y (en) | A friction tester for small sample shrinkage ratio table rack | |
| CN208091694U (en) | A kind of automobile clutch testing stand | |
| CN110441078A (en) | Changeable identity brake clamp single test device and method | |
| CN107705691B (en) | Rotor-bearing experiment table | |
| CN105675196B (en) | The detection device for elasticity of automobile clutch spring ring group |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |