CN108051229A - The safe shock table of automobile steering system - Google Patents
The safe shock table of automobile steering system Download PDFInfo
- Publication number
- CN108051229A CN108051229A CN201711396359.5A CN201711396359A CN108051229A CN 108051229 A CN108051229 A CN 108051229A CN 201711396359 A CN201711396359 A CN 201711396359A CN 108051229 A CN108051229 A CN 108051229A
- Authority
- CN
- China
- Prior art keywords
- hammer body
- machine frame
- steering system
- main machine
- hammer
- 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.)
- Pending
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Classifications
-
- 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
- G01M17/0078—Shock-testing of vehicles
-
- 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
- G01M17/06—Steering behaviour; Rolling behaviour
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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 the safe shock tables of automobile steering system, including main machine frame, steering gear sample to be measured is equipped in the lower section of the main machine frame, the hammer body component that can be moved up and down and impact the steering gear sample is equipped with above the steering gear sample, the steering gear sample is equipped with force snesor and displacement sensor, the speed acquisition system of detection hammer body component falling speed is additionally provided in the main machine frame side, the safety device for covering in periphery is equipped with below the main machine frame.The safe shock table of the automobile steering system, it can measure under similar real vehicle state, automobile steering system is when being subject to driver to hit, high speed acquisition and display are carried out to presenting the load in compression process, presenting the data such as shifting that condense, it tests simple and convenient, accuracy is high, safe, has preferable application prospect.
Description
Technical field
The invention belongs to automobile steering system experimental technique fields, are rushed safely more specifically to automobile steering system
Hit testing stand.
Background technology
As Chinese automobile annual output and year sales volume increase year by year, automobile has been general institute of family as a kind of vehicles
It uses, since vehicle is by the shock (vehicle frontal collision knocks into the back) in travel direction, drives in vehicle in actual use
Personnel can generate an impact force, the steering of shrinkable is to the impact when steering wheel is struck to steering
The Bearing degree (keeping load, feedback contracting distance comprising feedback contracting maximum load, feedback contracting) of power can directly affect driver and be hurt
Degree.Existing to need to carry out bump test or entrucking progress vehicle bump test using body block, complex procedures operation is not
Just, it is low to test accuracy.
The content of the invention
Present invention aim to address problems existing in the prior art, provide a kind of simple and convenient, raising experiment essence
Exactness, the safe shock table of safe automobile steering system.
To achieve these goals, the technical solution taken of the present invention is：This automobile steering system safety provided
Shock table, it is characterised in that：Including main machine frame, steering gear sample to be measured is equipped in the lower section of the main machine frame,
The hammer body component that can be moved up and down and impact the steering gear sample, the steering gear sample are equipped with above the steering gear sample
The force snesor of detection impact force and measurement impact position variation displacement sensor are equipped with, is also set in the main machine frame side
There are the speed acquisition system of detection hammer body component falling speed, the force snesor, displacement sensor and speed acquisition system letter
It number is handled through signal acquisition process device and to be transmitted to host computer, the security protection dress for covering in periphery is equipped with below the main machine frame
It puts.
To make above-mentioned technical proposal more detailed and specific, the present invention also provides optimization technique sides further below
Case, to obtain satisfied practical function：
The anti-secondary pulse device includes stopper, and the stopper is moved upwards by electromagnet promotion.
The anti-secondary pulse device is equipped with detection switch, and the detection switch is by sensing the hammer body component rebound position
Inductor triggering start.
The main machine frame includes pedestal and top plate, and support post, institute are equipped in four corners of the pedestal and top plate
The centre position for stating pedestal and top plate is provided through the guiding polished rod of the hammer body component.
Two for being oriented to polished rod and being equipped with spaced and parallel arrangement, the both sides of the hammer body component, which are equipped with, to be corresponded to through described
The pilot hole of polished rod is oriented to, guide copper sleeve is equipped in the pilot hole.
The hammer body component includes hammer body and arranged on hammer body lower end tup, and the tup is arranged in the middle part of the hammer body,
The pilot hole, which is arranged on the hammer body, is located at two side position of tup.
The tup lower end is equipped with and is equipped with rubber impact head.
The hammer body is arranged to make up by the independent hammer body of multiple and different specifications, each independent hammer body with it is described guiding polished rod it
Between be equipped with guide copper sleeve, by positioning pin connection between each independent hammer body.
Clump weight is removably connected on each independent hammer body.
Compared with prior art, the present invention it has the following advantages：A kind of safe impact test of automobile steering system of the present invention
Platform can be measured under similar real vehicle state, automobile steering system when driver is subject to hit, to feedback compression process in load,
It presents the data such as shifting that condense and carries out high speed acquisition and display；Make to need to carry out bump test using body block or entrucking carries out vehicle
The complex work of bump test is quick on experimental rig frame, simplicity carries out, and accuracy is high, has preferable application prospect.
Description of the drawings
The content expressed by the attached drawing of this specification and the mark in figure are briefly described below：
Fig. 1 is the safe shock table structure diagram of automobile steering system of the present invention；
Fig. 2 is the safe shock table structure diagram of automobile steering system of the present invention；
Fig. 3 is the safe shock table structure diagram of automobile steering system of the present invention；
Fig. 4 is hammer body component structure diagram.
Fig. 5 takes off hammer apparatus structure schematic diagram to grab.
In figure mark for：1st, main machine frame, 2, hammer body component, the 21, first hammer body, the 22, second hammer body, the 23, the 3rd hammer body,
24th, tup, 25, clump weight, 26, guide copper sleeve, 27, positioning pin, 28, hook, 3, grab de- hammer device, 31, body, 32, guide hole,
33rd, the first telescoping cylinder, the 34, second telescoping cylinder, 35, lock-up cylinder, 4, put forward hammer system, 5, anti-secondary pulse device, 6, speed adopts
Collecting system, 7, safety device, 8, image pick-up device, 9, host computer, 10, signal processor, 11, steering gear sample.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to the specific embodiment of the present invention further details of
Explanation.
This safe shock table of automobile steering system of the present invention, as shown in Figure 1, 2, 3, including main machine frame 1, in master
The lower section of machine frame 1 is equipped with steering gear sample 11 to be measured, and bump steer can be moved up and down by being equipped with above steering gear sample 11
The hammer body component 2 of device sample 11, steering gear sample 11 are equipped with the force snesor of detection impact force and measurement impact position variation
Displacement sensor, be additionally provided in 1 side of main machine frame detection hammer body component falling speed speed acquisition system, force snesor,
Displacement sensor and speed acquisition system signal are handled through signal acquisition process device is transmitted to host computer, 1 lower section of main machine frame
Equipped with the safety device 7 for covering in periphery.
The safe shock table of the automobile steering system can be measured under similar real vehicle state, automobile steering system by
When being hit to driver, high speed acquisition and display are carried out to presenting the load in compression process, presenting the data such as shifting that condense；Adopt needs
The complex work that bump test or entrucking progress vehicle bump test are carried out with body block is quick on experimental rig frame, easy
It carries out.
Anti- secondary pulse device 5 includes stopper, and stopper is moved upwards by electromagnet promotion.Anti- secondary pulse device is set
There is detection switch, detection switch is triggered by the inductor of sensing hammer body component rebound position to be started.
Main machine frame 1 is mainly made of pedestal, support post, guiding polished rod and top plate.As shown in Figure 1, main machine frame 1
Including pedestal and top plate, support post is equipped in four corners of pedestal and top plate, the centre position of pedestal and top plate, which is equipped with, wears
Cross the guiding polished rod of hammer body component 2.Pedestal, top plate are process for 45# steel plates, and bottom plate, which has, facilitates the T-shaped of specimen holder assembling
Slot, in order to which steering gear sample 11 is fixedly mounted；Support post uses four seamless steel pipes, forms four-point supporting, ensures host
The stability of frame 1；Connection between support post and bottom plate and top plate uses flanged joint；Being oriented to polished rod material is
GCr15 and polished surface chromium plating have preferable wearability and smooth guidance quality.
It in the present invention, is oriented to polished rod and is equipped with two of spaced and parallel arrangement, the both sides of hammer body component 2 are equipped with corresponding through leading
To the pilot hole of polished rod, guide copper sleeve 26 is equipped in pilot hole, to enhance its wearability and slickness.
If Fig. 4 hammer bodies component 2 includes hammer body and arranged on hammer body lower end tup 24, tup 24 is arranged in the middle part of hammer body, pilot hole
It is located at 24 liang of side positions of tup on hammer body.Impact force application is carried out using system of dropping hammer in the present invention, and in tup portion
Position installation is suitble to thickness and the rubber material impact head of hardness, and 24 lower end of tup is equipped with and is equipped with rubber impact head, to simulate people
Body.
2 top of hammer body component is additionally provided with the hook that lower section is connected with tup 24.Its structure is shown in Fig. 4, and hammer body is using whole
Steel plate warm and hot forging is process, and guide copper sleeve 26 is equipped between each hammer body and guiding polished rod.
For the accuracy of guarantee test, hammer body is arranged to make up by the independent hammer body of multiple and different specifications, each independent hammer
It body and is oriented between polished rod and is equipped with guide copper sleeve, by positioning pin connection between each independent hammer body.On each independent hammer body
Removably it is connected with clump weight 25.
Hammer body component 3 when in use, flexibly can individually select 1 falling impacts steering gear of hammer body examination according to weight needs
Sample 11 present embodiments provides a kind of hammer body by different size in three and forms, including the first hammer body 21, the second hammer body 22 and
Three hammer bodies 23.Can the first hammer body 21 be used alone, the first hammer body 21 and the second hammer body 22 falling impacts sample together also can be selected,
First hammer body 21, the second hammer body 22 and the 3rd hammer body 23 falling impacts sample together, to ensure synchronization that more hammer bodies fall together
Property, positioning pin 27 is fitted between each hammer body.Each hammer body can by way of increasing or reducing clump weight 25 tune
Whole tup quality.
In the present invention, main machine frame 1 is equipped with 2 locking of control hammer body component and grabbing for whereabouts takes off hammer device 3.Grab de- hammer dress
3 are put as self-locking device, in the case of hammer body component 2 connected and fix by the device, form self-locking, ensure to make in gravity
Tup will not occur under to drop phenomenon.
As shown in figure 5, grabbing de- hammer device 3 includes body 31, it is provided through being oriented to the guide hole 32 of polished rod on body 31,
The side of body 31 is equipped with the first telescoping cylinder 33 that can be stretched up and down, and 33 lower end of the first telescoping cylinder is connected in horizontally toward mechanism
The second telescoping cylinder 34 that side is stretched is connected with corresponding /V in the front end of the second telescoping cylinder 34 and is plugged below hammer body component 2
Limited block.First telescoping cylinder 33 can be corresponded to according to the height of hammer body is retractable to suitable position in order to which the second telescoping cylinder 34 correspondence makes
With.
The middle part for grabbing the body 3 of de- hammer device 3 is equipped with lock-up cylinder 35, and lock-up cylinder 35 can be drivingly connected thereunder
Scroll chuck folding and clamping realize the locking to hammer body component to link up with 28 on locking hammer body component 2.Preferably, de- hammer is grabbed
The inductive switch of 28 positions of sensing hook is additionally provided on device 3, departs from lock position without using in state, such as detecting to link up with,
Then inductive switch is connected, warning device prompting abnormality alarm.
In use, the second telescoping cylinder 34 drives limited block to retract to both sides, depart from hammer body component 2, lock-up cylinder 35 starts
Scroll chuck is controlled to unclamp release shackle 28.The release altitude of hammer body component 2 can control to adjust reality by grabbing de- hammer device 3
It is existing.
2 tup 24 of hammer body component fallen is acted on to steering gear sample 11, at this time force snesor, displacement sensor and speed
After the data of degree acquisition system acquisition are simultaneously acquired signal processor 10, force value-displacement of entire impact moment is formd
Curve or force value-rate curve or displacement-rate curve to host computer 9 and are shown.
In the present invention, anti-secondary pulse device 5 is equipped in the lower section of main machine frame, anti-secondary pulse device 5 is to work as hammer body
During 2 falling impacts sample steering gear 11 of component, if hammer body component 2 is bounced by Percussion counter-force, 4 anti-secondary pulse devices 5 are examined at this time
Slowdown monitoring switch is triggered, and anti-secondary pulse device 5 starts, and is promoted by electromagnet and advanced on stopper, the 5 hammer body groups that will decline again
2 stroke of part blocks, to prevent hammer body component 2 from doing secondary pulse work(to 11 surface of steering gear sample, to ensure impact results as one
Secondary falling impacts cause, it is ensured that the accuracy of experiment.
Once test after the completion of, put forward hammer system 4 and the hammer body component 2 fallen be lifted up to certain altitude, can again into
Row experiment.Hammer system 4 is put forward mainly by by promoting motor-driven drive sprockets chain drive hammer body component 2 being driven to move up.
In the present invention, the safe shock table of automobile steering system carries out impact force application using system of dropping hammer, and drops hammer
Hoisting depth is controllable；Shock sensors and displacement measuring device on testpieces are installed, show steering gear sample on computers
11 by impact transients force value and the conversion curve of displacement.When detecting by proposing hammer, punching in power control cabinet or computer to host
Hit, grab the double control of the automation processes such as hammer.There is the high-speed camera with host computer synchronous operation outside testing machine simultaneously
Device 8 can control automatic captured in real-time to the overall process for impacting moment, convenient for testing the analysis of process by computer instruction.
In the present invention, to ensure the security of experiment process, the security protection for covering in periphery is equipped with below main machine frame 1
Device 7, safety device 7 are the protection network of closing, can effectively prevent the fracture of steering gear sample 11 from splashing, can also be anti-
It protects in the case that door opens, testing machine self-locking, primary operational is invalid.
A kind of test method of the safe shock table of automobile steering system is connected steering gear sample 11 by real vehicle state
It completes, force snesor and displacement sensor is installed on steering gear sample 11；The weight and shock height of hammer body component 2 are set,
It hammer body component 5 is promoted into setting shock height and discharges using grabbing de- hammer device 3 and carrying hammer device 4, make hammer body component 2 freely
Falling bodies are struck on steering gear sample 11, and speed acquisition system 6 gathers the falling speed of hammer body component 2, displacement sensor acquisition
The change in location situation of steering gear sample 11, force snesor acquisition impact force load, each signal through 10 acquisition of signal processor at
It is bent to force value-displacement curve or force value-rate curve or displacement-speed on host computer 9 using signal processor 10 after reason
Line is shown.
Start high-speed camera device 8 and image processor while hammer body component 2 falls, gather the screen and figure of dropping process
Piece is convenient for post analysis application.
Hammer body component 2 starts anti-secondary pulse device 5 while whereabouts.
The process that hammer body component 2 discharges starts the second telescoping cylinder 34 control limited block and retracts, while starts lock-up cylinder 35
Scroll chuck unclamps the hook 28 that release is arranged on hammer body component 2, and hammer body component 2 falls.
A kind of safe shock table of automobile steering system of the present invention, can measure under similar real vehicle state, motor turning
System carries out high speed acquisition and display when driver is subject to hit, to presenting the load in compression process, presenting the data such as shifting that condense；
Make to need to carry out bump test using body block or entrucking carries out the complex work of vehicle bump test on experimental rig frame
Quickly, easy to carry out, accuracy is high, safe, has preferable application prospect.
The present invention is exemplarily described above in conjunction with attached drawing, but the present invention is not limited to aforesaid way, only
It wants the improvement of the various unsubstantialities of methodology and technical solution progress using the present invention or directly applies to other occasions
, it all falls in protection scope of the present invention.
Claims (7)
1. the safe shock table of automobile steering system, it is characterised in that：Including main machine frame, in the lower section of the main machine frame
Equipped with steering gear sample to be measured, the hammer that can be moved up and down and impact the steering gear sample is equipped with above the steering gear sample
Body component, the steering gear sample are equipped with the force snesor of detection impact force and measurement impact position variation displacement sensor,
The speed acquisition system of detection hammer body component falling speed, the force snesor, displacement are additionally provided in the main machine frame side
Sensor and speed acquisition system signal are handled through signal acquisition process device is transmitted to host computer, is set below the main machine frame
There is the safety device for covering in periphery.
2. the safe shock table of automobile steering system described in accordance with the claim 1, it is characterised in that：The main machine frame bag
Pedestal and top plate are included, the centre position of support post, the pedestal and top plate is equipped in four corners of the pedestal and top plate
It is provided through the guiding polished rod of the hammer body component.
3. the safe shock table of automobile steering system described in accordance with the claim 2, it is characterised in that：The guiding polished rod is set
There are two of spaced and parallel arrangement, the both sides of the hammer body component are equipped with the corresponding pilot hole through the guiding polished rod, in institute
It states and guide copper sleeve is equipped in pilot hole.
4. the safe shock table of automobile steering system described in accordance with the claim 1, it is characterised in that：The hammer body component bag
Include hammer body and arranged on hammer body lower end tup, the tup is arranged in the middle part of the hammer body, and the pilot hole is arranged on the hammer body
It is upper to be located at two side position of tup.
5. according to the safe shock table of automobile steering system described in claim 4, it is characterised in that：The tup lower end is set
Rubber impact head is installed.
6. according to the safe shock table of automobile steering system described in claim 4 or 5, it is characterised in that：The hammer body by
The independent hammer body of multiple and different specifications is arranged to make up, and guide copper sleeve is equipped between each independent hammer body and the guiding polished rod,
By positioning pin connection between each independent hammer body.
7. according to the safe shock table of automobile steering system described in claim 6, it is characterised in that：Each independent hammer
Clump weight is removably connected on body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711396359.5A CN108051229A (en) | 2017-12-21 | 2017-12-21 | The safe shock table of automobile steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711396359.5A CN108051229A (en) | 2017-12-21 | 2017-12-21 | The safe shock table of automobile steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108051229A true CN108051229A (en) | 2018-05-18 |
Family
ID=62131348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711396359.5A Pending CN108051229A (en) | 2017-12-21 | 2017-12-21 | The safe shock table of automobile steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108051229A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09222379A (en) * | 1996-02-16 | 1997-08-26 | Mitsubishi Electric Corp | Impact test device |
| US20040261494A1 (en) * | 2003-06-24 | 2004-12-30 | Lee Kun Ta | Impact generating device for impact tester |
| CN201107191Y (en) * | 2007-09-20 | 2008-08-27 | 南车长江车辆有限公司 | Buffer stroke drop hammer tester |
| CN203132931U (en) * | 2012-12-28 | 2013-08-14 | 深圳万测试验设备有限公司 | Drop hammer tear impact testing machine |
| CN204575468U (en) * | 2015-04-12 | 2015-08-19 | 长春机械科学研究院有限公司 | High speed impact compression deformation test machine |
| CN204730993U (en) * | 2015-06-09 | 2015-10-28 | 山东豪迈机械科技股份有限公司 | A kind of impulse test pick-up unit |
| CN106596026A (en) * | 2016-12-08 | 2017-04-26 | 苏州世力源科技有限公司 | Automobile crumple type steering column impact test device and test method |
| CN206504851U (en) * | 2017-03-02 | 2017-09-19 | 温州市质量技术监督检测院 | Motorcycle passenger helmet goggles strength test assessment system |
-
2017
- 2017-12-21 CN CN201711396359.5A patent/CN108051229A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09222379A (en) * | 1996-02-16 | 1997-08-26 | Mitsubishi Electric Corp | Impact test device |
| US20040261494A1 (en) * | 2003-06-24 | 2004-12-30 | Lee Kun Ta | Impact generating device for impact tester |
| CN201107191Y (en) * | 2007-09-20 | 2008-08-27 | 南车长江车辆有限公司 | Buffer stroke drop hammer tester |
| CN203132931U (en) * | 2012-12-28 | 2013-08-14 | 深圳万测试验设备有限公司 | Drop hammer tear impact testing machine |
| CN204575468U (en) * | 2015-04-12 | 2015-08-19 | 长春机械科学研究院有限公司 | High speed impact compression deformation test machine |
| CN204730993U (en) * | 2015-06-09 | 2015-10-28 | 山东豪迈机械科技股份有限公司 | A kind of impulse test pick-up unit |
| CN106596026A (en) * | 2016-12-08 | 2017-04-26 | 苏州世力源科技有限公司 | Automobile crumple type steering column impact test device and test method |
| CN206504851U (en) * | 2017-03-02 | 2017-09-19 | 温州市质量技术监督检测院 | Motorcycle passenger helmet goggles strength test assessment system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180518 |