CN104296987B - Car engine hood lock catch fatigue test device - Google Patents
Car engine hood lock catch fatigue test device Download PDFInfo
- Publication number
- CN104296987B CN104296987B CN201410590205.XA CN201410590205A CN104296987B CN 104296987 B CN104296987 B CN 104296987B CN 201410590205 A CN201410590205 A CN 201410590205A CN 104296987 B CN104296987 B CN 104296987B
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- China
- Prior art keywords
- lock
- cylinder
- lock catch
- automobile engines
- unlocking
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Abstract
The invention relates to a car engine hood lock catch fatigue test device. The car engine hood lock catch fatigue test device comprises a tool support used for installing a lock catch of an engine hood of a car, and an inclined pressing plate used for fixing the lock catch of the engine hood of the car. One end of the inclined pressing plate is rotationally connected with a tool beam, a torsion compression spring is installed between the inclined pressing plate and the tool beam, and the other end of the inclined pressing plate is connected with a tension cylinder through a steel wire bundle to be used for a loading test on the lock catch and a spring lock assembly in a primary lock catch position. An unlocking mechanism of the lock catch is connected with an extension rod of an unlocking cylinder through a steel wire bundle, and the unlocking cylinder stretches out a cylinder rod to retract to pull back the unlocking mechanism of the lock catch for unlocking. A thrust unlocking cylinder is arranged below an unlocking lever mechanism of a spring lock, and an extension rod of the thrust unlocking cylinder moves upward to hit a lever of the unlocking mechanism of the spring lock to separate the lock catch from the matched spring lock assembly for unlocking. The car engine hood lock catch fatigue test device is high in automation degree, convenient to operate, reliable in action, simple in overall structure, small in investment and convenient to maintain and meets the requirements of the national detection standards of China.
Description
Technical field
The present invention relates to a kind of latch assembly installing lock and coupling for automobile engines housing lock, before dispatching from the factory
A kind of assay device that real use state simulates fatigue test, this dress are carried out to the lock and latch of automobile engines housing lock
Put can simulate completely automobile engines housing lock real use state carry out fatigue test, safe and reliable, meet enterprise product
The fatigue test standard of regulation of dispatching from the factory.
Background technology
The latch assembly of the national installation lock to automobile engines housing lock and coupling is in production and serviceability and product
Series of standards has been promulgated in product exfactory inspection, and for meeting standard, enterprise is during producing and assembling automobile engines housing lock
Work out with the inspection before product export and wanted summing target accordingly.One of them is the installation lock of automobile engines housing lock
Before dispatching from the factory with the latch assembly of coupling, fatigue test wants summing target.Require automobile engines housing latch in dispatch from the factory before it is necessary to
The latch assembly fatigue test index installing lock and coupling completing automobile engines housing lock is it is ensured that automobile engines housing is locked
Be buckled in the range of service life, in working order in, lock and latch assembly on opening direction Tensile power effect under, lock
Not separated with the latch assembly mating, the latch assembly free from flaw installing lock and coupling of automobile engines housing lock, constantly
Split.Will be solid respectively on the pressing plate on assay device skeleton to the lock of the automobile engines housing lock after the completion of assembling and latch
Fixed, the compression loading downwards under cylinder pulling force effect of assay device inclined plate, make lock and latch assembly be in primary lock position
Put in situation.The inclined plate of assay device is upwardly formed one in opening square and draws to lock and latch assembly by two torsion springs
Power, must not latch and separated with the latch assembly mating.Open unlocking mechanism by two cylinders again, lock is total with the latch mating
Become separately.Form a circulation, be repeatedly performed by the cycle-index of test requirements document, observe automobile engines housing lock assembly and have or not
Phenomenon of rupture.
The method of inspection that domestic production automobile engines housing latches producer's generally employing at present is three kinds, and a kind of method is only
To automobile engines housing lock production material make a strength test, and to automobile engines housing lock install lock and coupling
The fatigue test of latch assembly is directly dispatched from the factory because the shortage of assay device is no longer tested；Second method is by car
The latch assembly installed lock and mate of engine hood lock is directly installed on vehicle body, carries out fatigue test on request；The
Three kinds of methods are the latch assembly installed lock and mate of automobile engines housing lock to be arranged on a kind of cover lock fatigue try
On experiment device, carry out fatigue test on request；It can be seen that first method is the intensity index only examining material, and car is drawn
The fatigue test index holding up the latch assembly installing lock and coupling of housing lock is not done, and automobile engines housing latches in processing
Have no way of considering with the defect producing during installation at all, bring very big potential safety hazard in use to car load, produce
Product rework rate is high.Second method completes automobile engines housing lock fatigue test index on vehicle body, simulates use completely
During the tired situation of engine hood lock.But this method test high cost, place area occupied is big, to trying sampling observation batch more
Test inefficiency.The third method completes the lock fatigue test of automobile engines housing on a kind of cover lock fatigue experimental device and refers to
Mark, simulates the tired situation of engine hood lock during use.But this method mounting cup lock test specimen spends the time longer,
Four guide rod processing and installation accuracy are had high demands, during cover lock elastic force release, impulsive force is larger, and assay device part is fragile,
High not enough to large quantities of sampling examination efficiency.
Content of the invention
The purpose of the present invention is tired before the latch assembly latching and mating dispatches from the factory for installing of automobile engines housing lock
Test provides a kind of automobile engines housing to latch fatigue experimental device, and the lock to automobile engines housing lock and latch simulation are real
Border use state carries out fatigue test, presses enterprise to meet the latch assembly installed lock and mate to automobile engines housing lock
Industry standard carries out fatigue test, and fatigue test is latched in by automobile engines housing and carries out it is ensured that it is tired under car load use state
In labor process of the test, automobile engines housing lock simulates real use state and stress, and simple, elastic force installed by test specimen
During release, part is controlled.Improve conforming product rate, meet the latch assembly installing lock and coupling of automobile engines housing lock
Before dispatching from the factory, the examination criteria of fatigue test requires.
The object of the present invention is achieved like this: a kind of automobile engines housing latches fatigue experimental device, including one
For installing the tooling bracket of the lock of automobile engines housing lock, one is used for fixing the latch of automobile engines housing lock
Inclined plate, inclined plate one end and fixture cross beam are rotatably connected, and are provided with twist compression bullet between inclined plate and fixture cross beam
Spring, the inclined plate other end connects, by steel tendon, the pulling force cylinder being arranged in tool base plate, for the assembly of lock and latch
It is in the load test on primary lock position；The unlocking mechanism of lock is connected by steel tendon installs left skeleton column upper end
The extension bar of unblock cylinder, unblock cylinder stretches out the unlocking mechanism unblock that cylinder rod retraction pulls lock；The release lever machine of latch
Structure be arranged below thrust unblock cylinder, thrust unlock cylinder extension bar impact upwards latch unlocking mechanism lever make lock with
The latch assembly of coupling separately unlocks.
Thrust unblock cylinder is connected with tool base plate by height adjusting cushion block, and tool base plate is fixedly connected with skeleton sill.
Tooling bracket is fixedly connected with lower platen, and lower platen is fixedly connected with skeleton entablature.It is hinged that fixation is installed in one end of inclined plate
Seat, is connected with fixture cross beam by gap cooperation.On fixture cross beam, two twist compression springs are installed by bearing pin.Pulling force cylinde
By steel tendon be inserted on inclined plate bolt hook in, its direction of pull with lock center parallel.
Beneficial effects of the present invention:
By electrical equipment control pneumatic circuit, the reversal valve in pneumatic circuit completes cylinder compression and unclamps automobile engines the present invention
The decline of housing lock and the fixed point action of rising and the retraction of another two cylinder and rise and unclamp automobile engines housing lock
Lock and the unlocking mechanism fixed point action of matching latch, and fatigue experimental device is then total by automobile engines housing lock
Become moved on assay device from vehicle body, simulate completely automobile engines housing lock real use state and carry out tired
Labor test action.The fatigue test of the latch assembly installing lock and coupling solving automobile engines housing lock is due to test
The shortage of device is not tested and the quality drawback causing that directly dispatches from the factory, and also solves simultaneously and completes automobile engines on vehicle body
Housing lock assembly fatigue test high cost, place area occupied is big, the problem low to the sampling observation many test efficiencies of batch.Improve
A kind of cover lock fatigue experimental device installation test specimen efficiency is low with solving, and assay device processing and installation accuracy have high demands and portion
The flimsy defect of part.This fatigue experimental device high degree of automation, easy to operate, reliable in action, whole table apparatus structure is simple,
Investment is little, is easy to safeguard.Meet national examination criteria to require.
Brief description
Fig. 1 is the structural front view of the present invention；
Fig. 2 is the structure right view of the present invention；
Fig. 3 is the structure top view of the present invention；
Fig. 4 is the partial enlarged drawing at a in Fig. 1.
Specific embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of automobile engines housing latches fatigue experimental device, including lock 1, tooling bracket 2,
Lower platen 3, bolt 4, bolt 5, latch 6, inclined plate 7, bolt 8, hinged-support 9, twist compression spring 10, skeleton entablature 11,
Skeleton sill 12, tool base plate 13, pulling force cylinde 14, left skeleton column 15, solution lock cylinder 16, steel tendon 17, steel tendon
20th, height adjusting cushion block 21, fixture cross beam 18, thrust solution lock cylinder 19, bolt hook 22, bearing pin 23, bolt 24, bolt 25, screw
26th, bolt 27.
The pivot pin in the hole that the lock 1 of the automobile engines housing lock after the completion of assembling is embedded tooling bracket 2 is fixed, frock
Support 2 is fixedly connected by bolt 4 with lower platen 3, and lower platen 3 passes through the skeleton entablature 11 of four bolts 5 and assay device
It is respectively fixedly connected with, open inclined plate 7, then the latch 6 of the automobile engines housing lock after the completion of assembling is passed through with inclined plate 7
Two bolts 8 return in situ after being fixedly connected, and hang up steel tendon 20.Inclined plate 7 while install fixed-hinged support 9, by
Gap cooperation is fixing with fixture cross beam 18, fixture cross beam 18 passes through bearing pin 23 installation and fixes two twist compression springs 10, reverse
Rotation elasticity produced by compression spring 10 answers Pass Test standard to require through adjusting.Pacify in the skeleton sill 12 of assay device
Fill one piece of tool base plate 13, tool base plate 13 is connected with skeleton sill 12 by four bolts 24, and pulling force cylinder 14 is pacified
It is contained in tool base plate 13, pulling force cylinde 14 is inserted in bolt hook 22 by steel tendon 20, and direction of pull is protected with lock 1 center
Fair row, unblock cylinder 16 is installed in left skeleton column 15 upper end of assay device, and the cylinder rod of stretching out of unblock cylinder 16 passes through steel wire
Bundle 17 is connected with the unlocking mechanism of lock 1, and back in assay device tool base plate 13 is provided with height adjusting cushion block 21, height adjusting cushion block
21 are connected with tool base plate 13 by four bolts 25, and thrust unblock cylinder 19 is connected with height adjusting cushion block 21 by four screws 26
Fixing, the cylinder rod of stretching out that thrust unlocks cylinder 19 realizes unlocking function by rising the release lever mechanism of impact latch 6.
Open work button, first reversal valve energising in pneumatic circuit, pulling force cylinder 14 push rod retraction loads, by steel
The drop-down inclined plate 7 of tow 20 drives latch 6 slide downward, makes lock 1 and the assembly of latch 6 be in primary lock situation
On, loaded value is test standard required value.Time delay 0.5 second, first reversal valve dead electricity, the unloading of pulling force cylinder 14 push rod rises,
The tensile force that now inclined plate 7 is formed to lock 1 and latch 6 assembly on opening direction by twist compression spring 10,
And latch 1 and must not separate with latch 6 assembly mating.Second reversal valve energising, unblock cylinder 16 stretches out cylinder rod retraction, passes through
Steel tendon 17 pulls the unlocking mechanism unblock of lock 1.Time delay 0.5 second, the 3rd reversal valve energising, thrust unlocks cylinder 19 cylinder rod
Rise, upwards the unlocking mechanism lever unblock of impact latch 6, lock 1 is separated with latch 6 assembly mating.Inclined plate 7 passes through to turn round
The elastic force turning compression spring 10 unclamps upwards and returns back in situ, second reversal valve and the 3rd reversal valve dead electricity in succession, unblock
What cylinder 16 and thrust unlocked cylinder 19 stretches out cylinder rod homing, forms a test cycle.It is recycled to fatigue examination more successively
Test number of times, observe automobile engines housing lock assembly and have or not fracture and crack phenomenon.Complete automobile engines housing lock assembly
Fatigue test.
The present invention is applied to the latch assembly installing lock and coupling of automobile engines housing lock, to car before dispatching from the factory
A kind of assay device that real use state carries out fatigue test simulated by the lock of engine hood lock and latch.Automaticity
Height, easy to operate, put into little, reliable in action, meet national examination criteria and require.
Claims (6)
1. a kind of automobile engines housing latches fatigue experimental device, is used for installing the lock of automobile engines housing lock including one
(1) tooling bracket (2), one be used for fix automobile engines housing lock latch (6) inclined plate (7) it is characterised in that:
Described inclined plate (7) one end is rotatably connected with fixture cross beam (18), and is provided between inclined plate (7) and fixture cross beam (18)
Twist compression spring (10), inclined plate (7) other end passes through steel tendon (20) and connects the pulling force being arranged in tool base plate (13)
Cylinder (14), is in the load test on primary lock position for latching (1) with the assembly of latch (6)；The solution of lock (1)
Latch mechanism passes through the extension bar that steel tendon (17) connects the unblock cylinder (16) installing left skeleton column (15) upper end, unlocks cylinder
(16) stretch out the unlocking mechanism unblock that cylinder rod retraction pulls lock (1)；The release lever mechanism of latch (6) is arranged below thrust solution
Lock cylinder (19), thrust unlock cylinder (19) extension bar impact upwards latch (6) unlocking mechanism lever make lock (1) with
Latch (6) assembly joined separately unlocks.
2. automobile engines housing according to claim 1 lock fatigue experimental device it is characterised in that: described thrust unblock
Cylinder (19) is connected with tool base plate (13) by height adjusting cushion block (21), and tool base plate (13) is fixing with skeleton sill (12) even
Connect.
3. automobile engines housing according to claim 1 lock fatigue experimental device it is characterised in that: described tooling bracket
(2) it is fixedly connected with lower platen (3), lower platen (3) is fixedly connected with skeleton entablature (11).
4. automobile engines housing according to claim 1 lock fatigue experimental device it is characterised in that: described inclined plate
(7) fixed-hinged support (9) is installed in one end, is connected with fixture cross beam (18) by gap cooperation.
5. automobile engines housing according to claim 1 lock fatigue experimental device it is characterised in that: described fixture cross beam
(18) the upper bearing pin (23) that passes through installs two twist compression springs (10).
6. automobile engines housing according to claim 1 lock fatigue experimental device it is characterised in that: described pulling force cylinde
(14) it is inserted in bolt hook (22) on inclined plate (7) by steel tendon (20), its direction of pull is put down with lock (1) center
OK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410590205.XA CN104296987B (en) | 2014-10-29 | 2014-10-29 | Car engine hood lock catch fatigue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410590205.XA CN104296987B (en) | 2014-10-29 | 2014-10-29 | Car engine hood lock catch fatigue test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104296987A CN104296987A (en) | 2015-01-21 |
| CN104296987B true CN104296987B (en) | 2017-02-01 |
Family
ID=52316814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410590205.XA Expired - Fee Related CN104296987B (en) | 2014-10-29 | 2014-10-29 | Car engine hood lock catch fatigue test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104296987B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836063A (en) * | 2017-04-05 | 2017-06-13 | 刘发良 | Berth lock with torsion spring bascule |
| CN107479416A (en) * | 2017-08-21 | 2017-12-15 | 天津航天瑞莱科技有限公司 | A kind of universal fatigue experiment control system |
| CN107560841A (en) * | 2017-10-10 | 2018-01-09 | 陈露露 | A kind of vehicle boot lid fatigue experimental device |
| CN110302971B (en) * | 2019-08-02 | 2021-09-24 | 苏州维格纳信息科技有限公司 | Automatic detection equipment for automobile parts |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000338009A (en) * | 1999-05-28 | 2000-12-08 | Horiba Ltd | Environment testing chamber of vehicle |
| KR100375383B1 (en) * | 2000-09-21 | 2003-03-10 | 현대자동차주식회사 | Device for testing durability of hood lever for vehicle |
| US6845679B2 (en) * | 2003-06-26 | 2005-01-25 | Lacks Enterprises, Inc. | Fixture for hood slam simulation |
| CN202693278U (en) * | 2012-06-06 | 2013-01-23 | 浙江吉利汽车研究院有限公司杭州分公司 | Durability test device for baggage compartment cover hinge torsion spring |
| CN202939016U (en) * | 2012-11-17 | 2013-05-15 | 无锡忻润汽车安全系统有限公司 | Vehicle door lock travelling starting and push-pull force test device |
| CN203587337U (en) * | 2013-12-04 | 2014-05-07 | 日立电梯（中国）有限公司 | Car door lock service life test bench |
| CN204188377U (en) * | 2014-10-29 | 2015-03-04 | 上海应用技术学院 | Automobile engines housing snap close fatigue experimental device |
-
2014
- 2014-10-29 CN CN201410590205.XA patent/CN104296987B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104296987A (en) | 2015-01-21 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 200235 Xuhui District, Caobao Road, No. 120, Applicant after: Shanghai Institute of Technology Address before: 200235 Xuhui District, Caobao Road, No. 120, Applicant before: Shanghai Institute of Technology |
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| CB03 | Change of inventor or designer information |
Inventor after: Huang Qun Inventor after: Lu Baokang Inventor after: Huang Biao Inventor after: Zhang Yunlong Inventor before: Lu Baokang Inventor before: Huang Biao Inventor before: Zhang Yunlong |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20181029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |