CN101441130B - Durable test stand and test method of gas spring for automobile - Google Patents
Durable test stand and test method of gas spring for automobile Download PDFInfo
- Publication number
- CN101441130B CN101441130B CN2008101862679A CN200810186267A CN101441130B CN 101441130 B CN101441130 B CN 101441130B CN 2008101862679 A CN2008101862679 A CN 2008101862679A CN 200810186267 A CN200810186267 A CN 200810186267A CN 101441130 B CN101441130 B CN 101441130B
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- air spring
- analog gate
- spring assembly
- stage body
- gas spring
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 238000010998 test method Methods 0.000 title abstract description 4
- 230000033001 locomotion Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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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 invention discloses a gas spring durable test bed and test method for vehicles, the main structure of the test bed is composed of a bed body, a beam, two adjustable posts, and a simulative door, wherein the main structure is in symmetric structure, two adjustable posts are symmetrically arranged on two-side edge of the bed body, the simulative door is arranged on the beam through a vehicle hinge, a tension cylinder, a pulley, a lifting cylinder are arranged on the central symmetric line of horizontal plane of the bed body. In the case of performing the test, the test method comprises: arranging the two ends of the gas spring assembly on the upper end of the adjusting post and the simulative door; adjusting the fixed position of the gas spring assembly on the adjusting post and the simulative door to achieve the use stoke for normal working of the gas spring, outputting corresponding signal through a programmable controller to control lift and compression of the gas spring. The gas spring durable test bed for vehicles, which is driven by a cylinder, has reasonable structure, strong flexibility, simple operation, no noise when working, identical movement mode of the device with working condition of vehicles.
Description
Technical field
The invention belongs to the automobile product technical field of measurement and test, relate to a kind of air spring durable test stand, relate to a kind of mechanical detection equipment of simulating the gas spring for automobile long duration test that Cang Gai uses before and after the passenger car specifically.
Background technology
The air spring of hatchcover is various in style before and after the automobile, in use, air spring plays supporting front and back hatchcover total quality, obviously the security of air spring is a matter of utmost importance, and the endurance quality of the mechanism of air spring own determines its serviceable life, also directly influence its security, so must detect test to the various mechanisms endurance quality in the air spring.At present air spring being carried out the endurance quality test all adopts motor and reductor to drive, drive clumsy, the operative orientation of air spring for simply vertically, utilize to force external force to drive air spring to finish and stretch and compression travel, automotive hinge is not installed, can not simulates the actual user mode of air spring fully.As application number is CN03212722.7, denomination of invention is in the document of compressible air spring endurance test bed, testing table adopts motor and reductor to drive, drive clumsy, very flexible, the air spring compress mode that swings is rotated the compression work state with actual inclination and is not met, the air spring fixed form can't be adjusted, the equipment work noise is bigger, can cause by the gas test spring exemplar abnormal sound defective when durable to find, the analog gate no any safety prevention measure that swings easily causes security incident, can only make an exemplar at every turn, inefficiency can only be done the test of the durable type of air spring, and the versatility of equipment is poor.
Summary of the invention
Problem at prior art exists the object of the present invention is to provide a kind of Automobile air spring endurance quality test unit, can carry out the endurance quality test to hatchcover air spring before and after the automobile.
The invention discloses a kind of gas spring for automobile durable test stand, agent structure is made up of stage body, crossbeam, two adjustable columns and analog gate, agent structure is symmetrical structure, two adjustable column symmetries are installed in the stage body both sides of the edge, analog gate is installed on the crossbeam by automotive hinge, draft cylinder, pulley, lifting cylinder are installed on the stage body surface level centre symmetry line, wherein draft cylinder is fixed on the stage body rear portion, and by wire rope connection analog gate, the lifting cylinder is fixed on the stage body and close analog gate opening end.
Further, pulley is installed on the stage body, thereby wire rope changes its direction of motion by this pulley, realizes that analog gate is around automotive hinge unlatching rotation.
Further, a counterweight counterweight is installed on the analog gate.Along stage body surface level centre symmetry line column is installed also on stage body, is used to bear the following drop impact of analog gate and counterweight counterweight.
The invention also discloses the method that adopts above-mentioned gas spring for automobile durable test stand to test, comprise the steps:
The two ends of air spring assembly are installed in respectively on adjustable column upper end and the analog gate; Use stroke when reaching the air spring operate as normal in the fixed position of adjustable column and analog gate by adjusting the air spring assembly;
Programmable Logic Controller is exported corresponding signal, the lifting of control lifting cylinder, analog gate begins to rotarily open, after underproof air spring assembly passes through the equilibrium area of mechanical characteristic, the air spring assembly lifts analog gate and is stretched to the designing requirement stroke automatically, finishes the lifting action of air spring;
At the appointed time, the lifting cylinder begins to descend, after withdrawing fully, the draft cylinder that has been in elongation state begins withdrawal, and fall by the rope belt dynamic simulated student, after underproof air spring assembly passed through the equilibrium area of mechanical characteristic, analog gate was born the effect of gravitational torque, and the air spring assembly is compressed.
After finishing the compressed action of air spring assembly, draft cylinder extends automatically, for next air spring working cycle is prepared.
Regulate the size and the speed of draft cylinder and lifting cylinder loading force by pressure regulator valve.
Programmable Logic Controller is controlled commutating frequency, synchronized relation and the working time of lifting cylinder and draft cylinder by control two solenoid valves, and then the motion of control lifting cylinder and draft cylinder.
Gas spring for automobile durable test stand of the present invention adopts air cylinder driven, test platform structure is reasonable, dirigibility is strong, noiselessness when easy operating, work, the duty of equipment moving mode and real vehicle is identical, air spring assembly exemplar point of fixity can arbitrarily be adjusted along all directions, the whole test moving component is fixed on the test-bed body, can not cause danger to the person, can carry out simultaneously two exemplar tests, change different hinges and just can carry out long duration test the hinge of front and back hatchcover, can a tractor serves several purposes, equipment interoperability is strong.
Description of drawings
Fig. 1: air spring durable test stand vertical view of the present invention;
Fig. 2: testing table left view when air spring of the present invention is in the lifting state;
Fig. 3: testing table left view when air spring of the present invention is in compressive state;
Fig. 4: testing table front elevation when air spring of the present invention is in the lifting state;
Description of reference numerals:
The adjustable column of 1-; The 2-crossbeam; The 3-stage body; The 4-analog gate; 5-air spring assembly;
The 6-draft cylinder; The 7-wire rope; 8-counterweight counterweight; The 9-pulley;
The 10-automotive hinge; 11-lifting cylinder; The 12-column.
Embodiment
The present invention is further described below in conjunction with accompanying drawing.
Shown in Fig. 1,2,3,4, the main part of air spring durable test stand is made up of two adjustable columns 1, crossbeam 2, stage body 3 and analog gates 4 etc.; The testing table main-body structure is symmetrical structure, can carry out the endurancing of two air spring assemblies 5 of left and right sides simultaneously, and parts such as two adjustable columns 1, automotive hinge 10, air spring assembly 5 are installed respectively in stage body 3 both sides of the edge symmetric positions.Wherein analog gate 4 is installed on the crossbeam 2 by automotive hinge 10 and bolt, two adjustable columns 1 are by being bolted on the stage body 3 left and right sides edge table tops, the bulb of air spring assembly 5 one ends is by dovetail groove and be bolted to adjustable column 1 upper end, and can be along the fore-and-aft direction adjustment up and down of adjustable column 1, the bulb of an other end is fixed on analog gate 4 edge frames, and can adjust up and down along analog gate 4.Draft cylinder 6, pulley 9, lifting cylinder 11, column 12 installation sites are similar to and are on the stage body 3 surface level centre symmetry line, draft cylinder 6 is fixed on stage body 3 rear portions by bolt and support, and by wire rope 7 connection analog gates 4 and a door counterweight counterweight 8, it changes the direction of motion of wire rope 7 by pulley 9, rotate to realize that analog gate 4 is opened around automotive hinge 10, lifting cylinder 11 is by being bolted on the stage body 3 and close analog gate 4 opening ends.
Shown in Fig. 1,2,3,4, before testing, earlier the two ends bulb with air spring assembly 5 is installed in respectively on adjustable column 1 upper end and the analog gate 4, thereby reaches use stroke when realizing the air spring operate as normal in the fixed position of adjustable column 1 and analog gate 4 by adjusting air spring assembly 5.
During test, feed the 220V AC power at first for PLC (Programmable Logic Controller), make its inner output 24V direct supply that transforms, the input point received signal of PLC, by its internal processes computing, the PLC output point is exported corresponding signal, the break-make of this signal controlling solenoid valve, source of the gas enters solenoid valve by pressure regulator valve, enter draft cylinder 6 again, draft cylinder 6 is regulated by pressure regulator valve in the two ends of lifting cylinder 11, the size and the speed of lifting cylinder 11 loading forces, PLC controls two solenoid valves, and then control the commutating frequency of two cylinders, synchronized relation and working time, finally reach control lifting cylinder 11, the purpose of draft cylinder 6 motions.Behind the power initiation, the 11 beginning liftings of lifting cylinder, analog gate 4 begins to rotarily open, underproof air spring assembly 5 is by behind the equilibrium area of mechanical characteristic, its expansion force is greater than the general assembly (TW) of analog gate 4 and counterweight counterweight 8, the air spring assembly lifts analog gate 4 and counterweight counterweight 8 is stretched to the designing requirement stroke automatically, finishes the lifting action of air spring, as shown in Figure 2.
At the appointed time, lifting cylinder 11 begins to descend, after withdrawing fully, the draft cylinder 6 that has been in elongation state begins withdrawal, and begins to descend by wire rope 7 drive analog gates 4, after underproof air spring assembly 5 passes through the equilibrium area of mechanical characteristic, the expansion force of air spring assembly 5 is less than the general assembly (TW) of analog gate 4 and counterweight counterweight 8, analog gate 4 and counterweight counterweight 8 weight join together to bear the effect of gravitational torque, with the compression of air spring assembly, as shown in Figure 3.Column 12 will work to bear analog gate 4 and 8 times drop impacts of counterweight counterweight.After finishing compressed action, draft cylinder 6 extends automatically, for next air spring working cycle is prepared.
Claims (10)
1. gas spring for automobile durable test stand, agent structure is by stage body (3), crossbeam (2), two adjustable columns (1) and analog gate (4) are formed, agent structure is symmetrical structure, two adjustable columns (1) symmetry is installed in stage body (3) both sides of the edge, analog gate (4) is installed on the crossbeam (2) by automotive hinge (10), draft cylinder (6), pulley (9), lifting cylinder (11) is installed on stage body (3) the surface level centre symmetry line, wherein draft cylinder (6) is fixed on stage body (3) rear portion, and by wire rope (7) connection analog gate (4), lifting cylinder (11) is fixed on stage body (3) and goes up also near analog gate (4) opening end.
2. gas spring for automobile durable test stand as claimed in claim 1, it is characterized in that: pulley (9) is installed on the stage body (3), wire rope (7) by this pulley (9) thus change its direction of motion, realize that analog gate (4) opens rotation around automotive hinge (10).
3. gas spring for automobile durable test stand as claimed in claim 1 or 2 is characterized in that: a counterweight counterweight (8) is installed on the analog gate.
4. gas spring for automobile durable test stand as claimed in claim 3 is characterized in that: along stage body (3) surface level centre symmetry line column (12) is installed also on stage body (3), is used to bear the following drop impact of analog gate (4) and door counterweight counterweight (8).
5. the method for using the described gas spring for automobile durable test stand of claim 1 to test is tested two air spring assemblies of left and right sides (5), comprises the steps:
The two ends of each side air spring assembly (5) are installed in respectively on the adjustable column of respective side (1) upper end and the analog gate (4); Use stroke when reaching air spring assembly operate as normal in the fixed position of two adjustable columns (1) and analog gate (4) by adjusting air spring assembly (5);
Programmable Logic Controller is exported corresponding signal, the lifting of control lifting cylinder (11), analog gate (4) begins to rotarily open, after underproof air spring assembly (5) passes through the equilibrium area of mechanical characteristic, air spring assembly (5) lifts analog gate (4) and is stretched to the designing requirement stroke automatically, finishes the lifting action of air spring assembly (5);
At the appointed time, lifting cylinder (11) begins to descend, after withdrawing fully, the draft cylinder (6) that has been in elongation state begins withdrawal, and by wire rope (7) drive analog gate (4) decline, after underproof air spring assembly (5) passed through the equilibrium area of mechanical characteristic, analog gate (4) was born the effect of gravitational torque, and air spring assembly (5) is compressed.
6. method as claimed in claim 5 is characterized in that: after finishing the compressed action of air spring assembly (5), draft cylinder (6) is elongation automatically, for next air spring assembly working cycle is prepared.
7. as claim 5 or 6 described methods, it is characterized in that: the size and the speed of regulating draft cylinder (6) and lifting cylinder (11) loading force by pressure regulator valve.
8. as claim 5 or 6 described methods, it is characterized in that: Programmable Logic Controller is by control two solenoid valves, control commutating frequency, synchronized relation and the working time of lifting cylinder (11) and draft cylinder (6), and then the motion of control lifting cylinder (11) and draft cylinder (6).
9. as claim 5 or 6 described methods, it is characterized in that: go up the following drop impact that the column of installing (12) is used to bear analog gate (4) at stage body (3) along stage body (3) surface level centre symmetry line.
10. as claim 5 or 6 described methods, it is characterized in that: a counterweight counterweight (8) is installed on the analog gate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101862679A CN101441130B (en) | 2008-12-22 | 2008-12-22 | Durable test stand and test method of gas spring for automobile |
| PCT/CN2009/075701 WO2010072126A1 (en) | 2008-12-22 | 2009-12-18 | Durability test desk for vehicle gas spring and test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101862679A CN101441130B (en) | 2008-12-22 | 2008-12-22 | Durable test stand and test method of gas spring for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101441130A CN101441130A (en) | 2009-05-27 |
| CN101441130B true CN101441130B (en) | 2010-10-27 |
Family
ID=40725662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101862679A Expired - Fee Related CN101441130B (en) | 2008-12-22 | 2008-12-22 | Durable test stand and test method of gas spring for automobile |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101441130B (en) |
| WO (1) | WO2010072126A1 (en) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441130B (en) * | 2008-12-22 | 2010-10-27 | 奇瑞汽车股份有限公司 | Durable test stand and test method of gas spring for automobile |
| CN102478450B (en) * | 2010-11-23 | 2015-08-19 | 上海汽车集团股份有限公司 | Testing table |
| CN102175475B (en) * | 2011-02-16 | 2013-11-06 | 山东大学 | Kiloton modular combined adjustable self-reaction table frame device |
| CN102539140B (en) * | 2012-02-17 | 2014-05-14 | 浙江吉利汽车研究院有限公司 | Durability test bench for spring of wiper arm |
| CN103207069B (en) * | 2013-03-27 | 2015-09-23 | 桂林福达股份有限公司 | Clutch coupling torsion damping spring fatigue test device and method |
| CN103278316B (en) * | 2013-05-14 | 2015-10-28 | 广州华德汽车弹簧有限公司 | The fatigue experimental device of car tail cover torsion-bar spring |
| CN104374552B (en) * | 2013-08-14 | 2017-02-15 | 北汽福田汽车股份有限公司 | gas spring durability test device |
| DE102015006630A1 (en) | 2015-05-21 | 2016-11-24 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Coupling device, in particular for coupling a damper device to a test rig of a test arrangement and test arrangement with the coupling device |
| DE102015006631A1 (en) | 2015-05-21 | 2016-11-24 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Test arrangement for testing damper devices for damping a flap pivotable about a real pivot axis and method for testing the damper devices |
| CN105890885B (en) * | 2016-04-08 | 2018-07-17 | 常州气弹簧有限公司 | Gas spring life test machine |
| CN106918456B (en) * | 2017-04-13 | 2023-05-30 | 河南工学院 | Automobile automatic gear shift lever button test bed |
| CN107052642A (en) * | 2017-06-09 | 2017-08-18 | 上汽通用五菱汽车股份有限公司 | A kind of material frame lifting mechanism |
| CN107344706A (en) * | 2017-06-30 | 2017-11-14 | 亚萨合莱国强（山东）五金科技有限公司 | A kind of door leaf lifting device for opening and closing detection experiment repeatedly for floor spring |
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| CN111351623B (en) * | 2020-03-24 | 2022-03-08 | 安徽中腾汽车零部件有限公司 | Programmable spring endurance testing machine |
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| CN114659776B (en) * | 2022-03-31 | 2023-10-13 | 国网陕西省电力有限公司电力科学研究院 | Load simulation platform for spring mechanism defect test and operation method thereof |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4421773A1 (en) * | 1994-06-22 | 1995-10-05 | Fichtel & Sachs Ag | Gas spring as lifting aid for vehicle tailgate |
| CN2541837Y (en) * | 2002-05-22 | 2003-03-26 | 天津市汽车研究所 | Open/close durability testing jig for automotive door |
| CN2615658Y (en) * | 2003-04-16 | 2004-05-12 | 中国第一汽车集团公司 | Compressible air spring durability test table |
| CN201034830Y (en) * | 2006-12-06 | 2008-03-12 | 南京汽车集团有限公司 | Vehicle doors or cover switch simulator stand |
| CN201027880Y (en) * | 2007-05-14 | 2008-02-27 | 周良庆 | Compressed gas spring |
| CN101135613B (en) * | 2007-10-22 | 2010-09-08 | 奇瑞汽车股份有限公司 | Test-bed of back-up case lock |
| CN101441130B (en) * | 2008-12-22 | 2010-10-27 | 奇瑞汽车股份有限公司 | Durable test stand and test method of gas spring for automobile |
-
2008
- 2008-12-22 CN CN2008101862679A patent/CN101441130B/en not_active Expired - Fee Related
-
2009
- 2009-12-18 WO PCT/CN2009/075701 patent/WO2010072126A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010072126A1 (en) | 2010-07-01 |
| CN101441130A (en) | 2009-05-27 |
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