CN108760352A - A kind of vehicle shock absorber property test platform - Google Patents
A kind of vehicle shock absorber property test platform Download PDFInfo
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- CN108760352A CN108760352A CN201810710711.6A CN201810710711A CN108760352A CN 108760352 A CN108760352 A CN 108760352A CN 201810710711 A CN201810710711 A CN 201810710711A CN 108760352 A CN108760352 A CN 108760352A
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- lathe bed
- piston rod
- clamping
- transmission
- power
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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
- G01M17/04—Suspension or damping
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The technical scheme is that：By lathe bed, protection and control system, power and transmission system, upper transmission and force measuring machine, crank connecting link and Workpiece clamping adjustment mechanism and frock clamp composition, wherein, protection and control system, power and transmission system, upper transmission and force measuring machine are bolt-connected to lathe bed, crank connecting link is connected to power and the transmission shaft of transmission system by bearing, frock clamp is connected to crank connecting link and Workpiece clamping adjustment mechanism by clamping and positioning block, function is to drive toggle to realize near sinusoidal harmonic motion by servo motor, load cell and displacement sensor absorber damping force and shock absorber piston rod displacement, industrial personal computer calculates analyte sensors data, show damper results of property.The invention has the advantages that testing efficiency is high, be suitble to production line on-line testing, it is compact-sized, stablize it is durable.
Description
Technical field：
A kind of vehicle shock absorber property test platform of the present invention, belongs to automobile making equipment field, major function is
The damping force for testing damper is used in combination indicator card to show test result.
Background technology：
Vehicle shock absorber in process of production tests its damping force, it is found that damper structure is lacked with technologic
It falls into, it is desirable that equipment can be compressed and be restored to damper, and compressing force and recuperability are recorded and judged.Fluid pressure type vapour
Vehicle damper performance test stand uses hydraulic control, it is of high cost, take up a large area, maintenance difficulties it is big, it is most of to test
Room uses, and is not suitable for online production.Though tradition machinery formula Automobile Absorber Performance Test solves hydraulic type automobile damper
Some disadvantages of performance test stand, but speed is fixed, or can only have two sections of fixed speed operations.Vehicle shock absorber performance of the present invention
Testing stand drives crank and connecting rod movement with servo motor, the mechanical exciting of approximate harmonic wave (sine) is generated, to damper
Compression and restoring movement are carried out, data are measured, store and are judged with sensor and industrial personal computer, final display damper
Performance and as a result, compact-sized, stable, durable, suitable production line on-line testing.Speed is stepless adjustable in rated range, and one
Secondary test can at most be carried out with 3 kinds of different speed, improve production efficiency.
Invention content
A kind of vehicle shock absorber property test platform design considerations of the present invention：Automobile industry standard《Automobile cartridge type vibration damping
Device Bench test methods QC/T545-1999》.
Automobile Absorber Performance Test of the present invention can in process of production will test absorber damping force, hair
Existing damper structure and technologic defect.
Technical solution of the present invention is：A kind of vehicle shock absorber property test platform, composition include：Lathe bed 1, protection
And control system 2, power and transmission system 3, upper transmission and force measuring machine 4, crank connecting link and Workpiece clamping adjustment mechanism 5 and work
Clamps 6, wherein protection and control system 2, power and transmission system 3, upper transmission and force measuring machine 4 pass through screw connection to bed
With it 1, crank connecting link and Workpiece clamping adjustment mechanism 5 are connected to by bearing on power and the transmission shaft of transmission system 3；Tooling
Fixture 6 is connected to by clamping and positioning block on crank connecting link and Workpiece clamping adjustment mechanism 5.By servo motor 302, drive used
Property wheel 307 and transmission shaft 309 rotated with the speed of setting, drive toggle 501 to realize approximate harmonic wave (sine) fortune
It is dynamic, the displacement of the damping force and shock absorber piston rod of damper is measured by load cell 402 and displacement sensor 506, and
Data collecting system 210 is transferred data to, industrial personal computer 211 judges by calculating and analyzing the data in data collecting system
Damper test result.
The advantage of the invention is that：Product use scope can test multiple product, and it is short to change the kind time；Structure
It is compact, stable, durable, it is suitble to production line on-line testing；Data acquiring frequency height, high certainty of measurement；Dynamical system uses big work(
Rate servo motor, speed control are more stable.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of vehicle shock absorber property test platform；
Fig. 2 is the structural schematic diagram of Fig. 1 medial beds 1；
Fig. 3 is the structural schematic diagram of protection and control system 2 in Fig. 1；
Fig. 4 is power and the structural schematic diagram of transmission system 3 in Fig. 1；
Fig. 5 is the structural schematic diagram of upper transmission and force measuring machine 4 in Fig. 1；
Fig. 6 is the structural schematic diagram of crank connecting link and Workpiece clamping adjustment mechanism 5 in Fig. 1；
Fig. 7 is the structural schematic diagram of frock clamp 6 in Fig. 1；
Specific implementation mode
1, refering to fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, a kind of vehicle shock absorber performance of present embodiment
Test bed, composition includes：Lathe bed 1, protection and control system 2, power and transmission system 3, upper transmission and force measuring machine
4, crank connecting link and Workpiece clamping adjustment mechanism 5 and frock clamp 6；Wherein protection and control system 2, power and transmission system 3,
Upper transmission and force measuring machine 4 pass through in screw connection to lathe bed 1；Crank connecting link and Workpiece clamping adjustment mechanism 5 are connected by bearing
It is connected on power and the transmission shaft of transmission system 3；Frock clamp 6 is connected to crank connecting link and Workpiece clamping by clamping and positioning block
On adjustment mechanism 5.
2, referring to Fig.2, lathe bed 1 by plant bottom case 101, adjustable lower margin 102, lathe bed column 103, connection reinforcement plate 104,
Top fixed seat 105 forms；Wherein adjustable lower margin 102 is connected in the threaded hole of plant bottom case 101, bed by external screw thread
Body column 103 is by the way that in screw connection to plant bottom case 101, connection reinforcement plate 104 and top fixed seat 105 pass through screw connection
Onto lathe bed column 103.Lathe bed main body uses casting and forming, local welding mode to complete, and is used with the mating surface of other assemblies
Fine grinding mode ensures to coordinate precision and tolerance.Lathe bed gives ageing treatment after casting, eliminates lathe bed stress, makes lathe bed stability
Good, material stiffness is big, without using being deformed in the process by external force.
3, refering to Fig. 3, protection and control system 2 by side arm 201, safe grating 202, operation console 203, workpiece detection dress
Set 204, starting switch 205, air-source treater 206, after-frame 207, environment temperature sensor 208, electrical control cabinet 209, high speed
Data collecting system 210, master control industrial personal computer 211 form, and side arm 201 passes through in screw connection to lathe bed column 103；Air source processing
Device 206, after-frame 207, electrical control cabinet 209 pass through in screw connection to plant bottom case 101；Safe grating 202, operation console 203,
Workpiece detection device 204, starting switch 205, environment temperature sensor 208 pass through in screw connection to side arm 201；High speed number
It is placed at the platform of side arm 201 according to acquisition system 210, master control industrial personal computer 211；Main control PLC uses day in electrical control cabinet 209
This OMRON products；High-speed data acquistion system 210, which can receive, comes from environment temperature sensor 208, load cell 402 and position
The data of acquisition are sent to master control industrial personal computer 211, master control work by the data of displacement sensor 506 by the communication modes of Ethernet
Numerical value of the control machine collected data according to environment temperature sensor 208 is calculated, and correct numerical value is obtained, environment temperature
The influence brought to test result is spent to eliminate；Safe grating 202 can at once stop after when equipment is run, personnel are strayed into working region
Only equipment moving, protection staff safety.
4, refering to Fig. 4, power and transmission system 4 by motor mount 301, servo motor 302, shaft coupling 303, driving wheel
304, timing belt strainer 305, timing belt 306, flying wheel 307, bearing block 308, transmission shaft 309 form, and pass
The transmission ratio i=6 of driving wheel 304 and flying wheel 307,301 mounting base of motor mount pass through screw connection to plant bottom case 101
On, servo motor 302 connect servo motor 302 by shaft coupling 303 with driving wheel 304 and passes through screw connection to motor mount
In 301 mounting bases, driving wheel 304 and flying wheel 307 are connected by timing belt 306, and timing belt strainer 305 can
To adjust timing belt tensile force, ensure that timing belt normal operation, flying wheel 307 are sleeved on transmission shaft 309 and use key
Item is fixed together, and transmission shaft 309 is mounted on bearing block 308, and bearing block 308 is mounted on screw on lathe bed column 103, is watched
It takes motor to be transmitted on transmission shaft 309 power by driving wheel 304, timing belt 306, flying wheel 307, flying wheel 307 removes
Slow down outer, rotating speed can also be made more stable.
5, refering to Fig. 5, upper transmission and force measuring machine 5 are by upper bracket 401, load cell 402, power transmission parts 403, work
Stopper rod clamp system 404, piston rod detent mechanism 405 form, and wherein upper bracket 401 is connected with top fixed seat 105 by bolt
It connects, piston rod detent mechanism 405 is bolted with positioning and clamping mechanism 502, and piston rod clamp system 404 is driven by power
Component 403 and load cell 402 connect, and the power on workpiece piston rod can be transmitted on load cell 402.
6, refering to Fig. 6, crank connecting link and Workpiece clamping adjustment mechanism 6 are by toggle 501, positioning and clamping mechanism
502, movement guide mechanism 503, lower locating piece fixed frame 504, clamping cylinder 505, displacement sensor 506, gas liquid pressurization system
507, positioning clamping regulation mechanism 508 forms, positioning and clamping mechanism 502 by screw connection to toggle 501, under
Locating piece fixed frame 504 is connected by bushing and movement guide mechanism 503, clamping cylinder 505 and positioning clamping regulation mechanism 508
By the way that in screw connection to positioning and clamping mechanism 502, displacement sensor 506 is bolted on lathe bed column 103, gas-liquid
Pressure charging system 507 is bolted on inside lathe bed column 103, and positioning clamping regulation mechanism 508 can adjust locating piece up and down
The distance between, adapt to different product.
7, refering to Fig. 7, frock clamp 7 by piston rod thread fixture 601, piston rod righting mechanism 602, piston rod 603, on
Locating piece 604, piston cylinder 605, lower locating piece 606 form, and wherein piston rod thread fixture 601, piston rod righting mechanism 602 are logical
Axis pin connection is crossed, and is tightly clamped piston rod 603 by piston rod righting mechanism 602, piston rod 603 and upper locating piece 604
By clearance fit, upper locating piece 604 is bolted with piston cylinder 605, and piston cylinder 605 passes through spiral shell with lower locating piece 606
Tether and connect, these frock clamps be all connected by insert-pull pin and piston rod clamp system 404 and positioning and clamping mechanism 502, and
Quick change function may be implemented, reduce and replace the product time.
Operating personnel are put into product in equipment, and after Workpiece detecting device 204 detects workpiece, operating personnel press
Starting switch 205, piston rod clamp system 404 drive piston rod thread fixture 601, clamp workpiece piston rod thread, piston rod
Screw thread, which clamps, to be completed.
Gas liquid pressurization system 507 is started to work, and hydraulic oil is injected clamping cylinder 505, clamping cylinder drives lower locating piece
504 fixed frames are moved upwards along movement guide mechanism 503, and on workpiece pre-tightening to positioning and clamping mechanism 502, Workpiece clamping is complete
At.
After the completion of Workpiece clamping, the air rebound power of workpiece can pass to load cell 402 by power transmission parts 403
On, after measuring system measures air rebound power, according to product type, judge whether air rebound power is qualified；It is as unqualified, then multiple
Workpiece test is replaced behind position；Start servo motor 302 if qualified, servo motor passes through shaft coupling 303,304 and of driving wheel
Timing belt 306 is transmitted to power 307 on flying wheel, and flying wheel 307 is made to be operated by setting speed.Flying wheel 307 passes through biography
Moving axis 309 drives toggle 501 to run, and toggle 501 drives workpiece clamping mechanism movement, and workpiece is made to generate
It realizes approximate harmonic wave (sine) shock motion, the damping force of workpiece is measured by load cell 402 and displacement sensor 506
It with the displacement of workpiece piston rod, and transfers data in data collecting system 210, industrial personal computer 211 is adopted by Ethernet data
Data in collecting system 210, then calculated and analyzed number, and draw the curve of output and displacement, by force value and curve come
It was found that damper structure and technologic defect；After the completion of test, servo motor 302 stops, and clamping cylinder declines 505, piston
Bar clamp system 404 rises, and operator removes product, and work is completed.
Claims (7)
1. according to a kind of vehicle shock absorber property test platform as described in the claims, it is characterised in that it is by lathe bed
(1), protection and control system (2), power and transmission system (3), upper transmission and force measuring machine (4), crank connecting link and workpiece clamp
Tight adjustment mechanism (5) and frock clamp (6)；Wherein protection and control system (2), power and transmission system (3), upper transmission and survey
Force mechanisms (4) pass through in screw connection to lathe bed (1)；Crank connecting link and Workpiece clamping adjustment mechanism (5) are connected to by bearing
On power and the transmission shaft of transmission system (3)；Frock clamp (6) is connected to crank connecting link and Workpiece clamping by clamping and positioning block
On adjustment mechanism (5).
2. according to a kind of vehicle shock absorber property test platform as described in the claims, it is characterised in that lathe bed (1) by
Plant bottom case (101), adjustable lower margin (102), lathe bed column (103), connection reinforcement plate (104), top fixed seat (105) group
At；Wherein adjustable lower margin (102) is connected in the threaded hole of plant bottom case (101), lathe bed column (103) by external screw thread
By the way that in screw connection to plant bottom case (101), connection reinforcement plate (104) and top fixed seat (105) are arrived by screw connection
On lathe bed column (103).Lathe bed main body uses casting and forming, local welding mode to complete, and is used with the mating surface of other assemblies
Fine grinding mode ensures to coordinate precision and tolerance.Lathe bed gives ageing treatment after casting, eliminates lathe bed stress, makes lathe bed stability
Good, material stiffness is big, without using being deformed in the process by external force.
3. a kind of vehicle shock absorber property test platform according to claims, it is characterised in that protection and control system
Unite (2) by side arm (201), safe grating (202), operation console (203), workpiece detection device (204), starting switch (205),
Air-source treater (206), after-frame (207), environment temperature sensor (208), electrical control cabinet (209), high-speed data acquisition system
It unites (210), master control industrial personal computer (211) composition, side arm (201) passes through in screw connection to lathe bed column (103)；Air-source treater
(206), after-frame (207), electrical control cabinet (209) pass through in screw connection to plant bottom case (101)；Safe grating (202), behaviour
Make platform (203), workpiece detection device (204), starting switch (205), environment temperature sensor (208) to arrive by screw connection
On side arm (201)；High-speed data acquistion system (210), master control industrial personal computer (211) are placed at the platform of side arm (201)；Electrically
The interior main control PLC of switch board (209) is using Japan's OMRON products；High-speed data acquistion system (210), which can receive, comes from environment temperature
The data of sensor (208), load cell (402) and displacement sensor (506) will be acquired by the communication modes of Ethernet
Data be sent to master control industrial personal computer (211), master control industrial personal computer is collected data according to environment temperature sensor (208)
Numerical value is calculated, and obtains correct numerical value, and environment temperature is eliminated to the influence that test result is brought；Safe grating (202)
Can be after when equipment is run, personnel be strayed into working region, arrestment moves at once, protection staff safety.
4. a kind of vehicle shock absorber property test platform according to claims, it is characterised in that power and power train
(3) are united by motor mount (301), servo motor (302), shaft coupling (303), driving wheel (304), timing belt tensioning device
Structure (305), timing belt (306), flying wheel (307), bearing block (308), transmission shaft (309) composition, driving wheel (304) and
The transmission ratio i=6 of flying wheel (307), motor mount (301) mounting base is by screw connection to plant bottom case (101), watching
It takes motor (302) and driving wheel (304) and servo motor (302) connect by shaft coupling (303) passes through screw connection and pacify to motor
It fills in seat (301) mounting base, driving wheel (304) and flying wheel (307) are connected by timing belt (306), timing belt
Strainer (305) can adjust timing belt tensile force, ensure that timing belt normal operation, flying wheel (307) are sleeved on
It is fixed together on transmission shaft (309) and with spline, transmission shaft (309) is mounted on bearing block (308), and bearing block (308) is used
Screw is mounted on lathe bed column (103), and servo motor passes through driving wheel (304), timing belt (306), flying wheel (307)
Power is transmitted on transmission shaft (309), flying wheel (307) can also make rotating speed more stable in addition to slowing down.
5. a kind of vehicle shock absorber property test platform according to claims, it is characterised in that upper transmission and dynamometry
Mechanism (4) is by upper bracket (401), load cell (402), power transmission parts (403), piston rod clamp system (404), piston
Bar detent mechanism (405) forms, and wherein upper bracket (401) is bolted with top fixed seat (105), piston rod localization machine
Structure (405) is bolted with positioning and clamping mechanism (502), and piston rod clamp system (404) passes through power transmission parts (403)
It connects, the power on workpiece piston rod can be transmitted on load cell (402) with load cell (402).
6. a kind of vehicle shock absorber property test platform according to claims, it is characterised in that crank connecting link and work
Part clamping regulation mechanism (5) is by toggle (501), positioning and clamping mechanism (502), movement guide mechanism (503), lower fixed
Position block fixed frame (504), clamping cylinder (505), displacement sensor (506), gas liquid pressurization system (507), positioning clamp adjustment
Mechanism (508) forms, and positioning and clamping mechanism (502) is by the way that in screw connection to toggle (501), lower locating piece is fixed
Frame (504) is connected by bushing and movement guide mechanism (503), and clamping cylinder (505) and positioning clamping regulation mechanism (508) are logical
It crosses in screw connection to positioning and clamping mechanism (502), displacement sensor (506) is bolted on lathe bed column (103),
Gas liquid pressurization system (507) is bolted on lathe bed column (103) inside, and positioning clamping regulation mechanism (508) can adjust
The distance between upper and lower locating piece, adapts to different product.
7. a kind of vehicle shock absorber property test platform according to claims, it is characterised in that frock clamp (6)
By piston rod thread fixture (601), piston rod righting mechanism (602), piston rod (603), upper locating piece (604), piston cylinder
(605), lower locating piece (606) composition, wherein piston rod thread fixture (601), piston rod righting mechanism (602) are connected by axis pin
It connects, and is tightly clamped piston rod (603) by piston rod righting mechanism (602), piston rod (603) and upper locating piece (604)
By clearance fit, upper locating piece (604) is bolted with piston cylinder (605), piston cylinder (605) and lower locating piece
(606) it is bolted, these frock clamps are all by insert-pull pin and piston rod clamp system (404) and positioning clamping machine
Structure (502) connects, and quick change function may be implemented, and reduces and replaces the product time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810710711.6A CN108760352A (en) | 2018-07-03 | 2018-07-03 | A kind of vehicle shock absorber property test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810710711.6A CN108760352A (en) | 2018-07-03 | 2018-07-03 | A kind of vehicle shock absorber property test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108760352A true CN108760352A (en) | 2018-11-06 |
Family
ID=63975367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810710711.6A Pending CN108760352A (en) | 2018-07-03 | 2018-07-03 | A kind of vehicle shock absorber property test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108760352A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252221A (en) * | 2021-04-29 | 2021-08-13 | 奇瑞汽车股份有限公司 | System for testing friction force of shock absorber |
| RU2779327C1 (en) * | 2022-03-23 | 2022-09-06 | Акционерное общество "Научно-производственная корпорация "Уралвагонзавод" имени Ф.Э. Дзержинского" | Stand for testing lever-bladed hydraulic shock absorbers |
-
2018
- 2018-07-03 CN CN201810710711.6A patent/CN108760352A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252221A (en) * | 2021-04-29 | 2021-08-13 | 奇瑞汽车股份有限公司 | System for testing friction force of shock absorber |
| RU2779327C1 (en) * | 2022-03-23 | 2022-09-06 | Акционерное общество "Научно-производственная корпорация "Уралвагонзавод" имени Ф.Э. Дзержинского" | Stand for testing lever-bladed hydraulic shock absorbers |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20181106 |