CN106525453A - Vehicle getting-out-of-trouble force test device - Google Patents
Vehicle getting-out-of-trouble force test device Download PDFInfo
- Publication number
- CN106525453A CN106525453A CN201611030534.4A CN201611030534A CN106525453A CN 106525453 A CN106525453 A CN 106525453A CN 201611030534 A CN201611030534 A CN 201611030534A CN 106525453 A CN106525453 A CN 106525453A
- Authority
- CN
- China
- Prior art keywords
- assembly pulley
- test device
- poverty
- rid
- force test
- 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.)
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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
Abstract
The invention discloses a vehicle getting-out-of-trouble force test device. The test device comprises at least one pulley set, a cover plate with a surface with a high adhesion coefficient, a front slope and a back slope. At least one roller is installed on each pulley set. Each roller is capable of rotating. The cover plate is capable of covering and being fixed on the pulley sets. The front slope and the back slope are correspondingly combined to the front and the back of the pulley sets. The pulley sets are arranged under the tires of the automobile correspondingly. The cover plate covers parts of the pulley sets. The roller shafts of the pulley sets simulate the road surface condition with the low adhesion coefficient. The cover plate simulates the road surface condition with the high adhesion coefficient. When the vehicle is in a driving mode, the size of getting-out-of-trouble force of the vehicle is measured through a tension meter.
Description
Technical field
The present invention relates to automobile technical field, more particularly to a kind of vehicle is got rid of poverty force test device.
Background technology
Some vehicles are equipped with the market at present.In actual use, when one of vehicle
Multiple wheel hangings or in low attachment coefficient road surface (such as the road surface of wet and slippery icing) when, said apparatus will play a role, and make
The power for obtaining electromotor can be transmitted to the wheel in high attachment coefficient road surface, and then make vehicle get rid of poverty.
But, for the evaluation of the size of the ability of getting rid of poverty for electronically or mechanically limiting sliding device of those vehicles, due to current
Unspecial device or mechanism carry out subtest, and every time can only be by manual method, and interim simulation is corresponding high/low
The road environment of attachment coefficient not only makes test job seem trouble, also because anthropic factor causes test realizing test purpose
Error, reduces the credibility of test value.
The content of the invention
The force test device it is an object of the invention to provide a kind of vehicle is got rid of poverty, for being placed on simulation road below vehicle tyre
The high/low attachment coefficient situation in face, makes a wheel or multiple wheels of vehicle in other wheels of low attachment coefficient road surface
In the high attachment coefficient road surface with certain altitude value, so that the power of getting rid of poverty for quantitative test vehicle provides experimental condition.
Technical scheme includes：
A kind of vehicle is got rid of poverty force test device, including：
At least one assembly pulley, is provided with least one roller bearing on the assembly pulley, the roller bearing can be rotated；One tool
There is the cover plate on high attachment coefficient surface, the cover plate can be covered and is fixed on above the assembly pulley；One front slope and one
Individual rear slopes, the front slope and rear slopes correspond to the front and back for being incorporated into the assembly pulley respectively.
The cover plate outer surface is provided with the coating that one layer of material with predetermined attachment coefficient makes, and the cover plate can
It is embedded in the cover plate engagement groove of support frame as described above top setting.
Wherein, the assembly pulley includes that two bracing frames, described two bracing frames or so are oppositely arranged respectively, described two
Bracing frame corresponding position is respectively equipped with least one dead eye, the dead eye and is respectively provided with a bearing, the roller bearing
Two ends are plugged in the bearing respectively.
Wherein, also respectively in connection with there is a shaft retaining ring, the shaft retaining ring is connected to the roller bearing at the two ends of the roller bearing
Two ends, make the roller bearing relative to support frame as described above axially position.
Wherein, the assembly pulley also includes dust cap, and the dust cap covers the outside in the bearing and dead eye.
Wherein, the front and back of the assembly pulley is additionally provided with least one slope hook, the front slope and rear slopes
Be respectively equipped with for the slope link up with correspondence combine groove, by the slope link up with and the groove contact, make it is described before
Slope, the assembly pulley, the rear slopes three combine and are relatively fixed.
Wherein, the end of at least one roller bearing of the assembly pulley combines a velocity sensor, for sensing the rolling
The rotating speed of axle.
Wherein, the assembly pulley also include support bar, the support bar be connected to each assembly pulley two bracing frames it
Between, described two bracing frames is relatively fixed and is improved the structural stability of the assembly pulley.
Wherein, vehicle force test device of getting rid of poverty includes four assembly pulleys, corresponds to four tires of automobile respectively
Position.
Wherein, the vehicle is got rid of poverty the tie-beam that force test device also includes for the assembly pulley is connected, the company
Connecing beam is included tie-beam before and after former and later two assembly pulley connections and the left side by the two assembly pulley connections in left and right
Right tie-beam；Four assembly pulleys are combined and are relatively fixed by the tie-beam.
Wherein, tie-beam before and after described, left and right tie-beam are respectively arranged at two ends with several pin-and-holes；Each assembly pulley
Side is respectively equipped with a connecting plate, and the connecting plate is provided with two groups of pins, and two groups of pins are correspondingly embedded in described respectively
Tie-beam, the pin-and-hole at left and right tie-beam two ends in front and back；Different wheelbases and wheelspan according to vehicle to be measured determine corresponding pin-and-hole with
The pin correspondence is combined.I.e.：Before and after described, tie-beam can be according to the adjustment of the distance of former and later two tires of vehicle to be measured with not
With reference to the pin, the left and right tie-beam can be adjusted same pin-and-hole correspondence according to the distance of two tires of vehicle to be measured or so
With different pin-and-hole correspondences with reference to the pin, four assembly pulleys after combination are made to correspond to four wheels of vehicle to be measured respectively
Fetal position.
Wherein, the bracing frame of the assembly pulley is provided with through hole, makes the left and right tie-beam adjust two cunnings
During the combined distance of wheel group, the left and right tie-beam can pass through the through hole, improve two assembly pulleys in left and right it is relative away from
From regulation nargin.
The technique effect of the present invention includes：
Get rid of poverty described each assembly pulley of force test device of vehicle of the present invention is correspondingly arranged at below automobile tire, part assembly pulley
Top is covered with the cover plate.The roller bearing of the assembly pulley simulates the surface conditions of low attachment coefficient, and the cover plate simulation is high attached
The surface conditions of coefficient, vehicle motor rotating speed is controlled, the wheel on the assembly pulley roller bearing of low attachment coefficient is in roller bearing
Upper rotation, the wheel (cover plate on high attachment coefficient surface is coated with assembly pulley) in high attachment coefficient road surface are provided and make vehicle
The power of getting rid of poverty advanced, by the power size of getting rid of poverty of strain gauge measuring vehicle, and measures turning for roller bearing by speed sensor units
Speed.Energy Fast Modular of the invention draws up test environment, and has repeatability, reduces the test error that anthropic factor is caused.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by to be used attached needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 be present pre-ferred embodiments vehicle get rid of poverty force test device assembly pulley exploded view.
Fig. 2 gets rid of poverty 4 assembly pulley combining structure schematic diagrams of force test device for embodiment illustrated in fig. 1 vehicle.
Fig. 3 is irised out the partial enlarged drawing of part I by Fig. 2.
Fig. 4 be present pre-ferred embodiments vehicle get rid of poverty force test device front slope structural representation.
Fig. 5 is that present pre-ferred embodiments vehicle is got rid of poverty the use state schematic diagram of force test device.
In figure:
A- assembly pulleys, 1- cover plates, the front slopes of 21-, 22- rear slopes, 3- dust cap screws, 4- fixed plates, 41- pins, 5-
Speed sensor units, 6- dust caps, 7- shaft retaining rings, 8- bearings, 9- support stem nut, 10- support bars, 11- bracing frames, 111-
Through hole, 112- cover plate engagement grooves, 12- roller bearings, 13- slopes hook, tie-beam, 16- before and after 14- grooves, B- tie-beams, 15-
Left and right tie-beam, 151,161- pin-and-holes, N- strain gauges.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Present invention enforcement generally described and illustrated in accompanying drawing herein
The component of example can be arranged and be designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment obtained under the premise of creative work is not made by technical staff, belongs to the model of present invention protection
Enclose.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then in subsequent accompanying drawing which further need not be defined and is explained.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, or should
Invention product using when the orientation usually put or position relationship, be for only for ease of the description present invention and simplify description, and not
Be indicate or imply the device or element of indication must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.Additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and can not manage
Solve to indicate or implying relative importance.
Additionally, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and
Can be to be slightly tilted.As " level " only refers to for its direction relative " vertical " more level, it is not the expression structure
Must be fully horizontal, and can be to be slightly tilted.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or one
The connection of body ground；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to indirect by intermediary
It is connected, can is the connection of two element internals.For the ordinary skill in the art, can be with concrete condition understanding
State term concrete meaning in the present invention.
Embodiment 1
The force test device as shown in figure 1, vehicle of the present invention is got rid of poverty, including an assembly pulley A, assembly pulley A include two
Bracing frame 11, left and right is positioned opposite, and each bracing frame 11 has 3 dead eyes 81, and bearing 8 is embedded in each dead eye 81, roller bearing
12 two ends are embedded in the inner ring of bearing 8, roller bearing 12 swimmingly freely can be rotated.It is two last that shaft retaining ring 7 is connected to roller bearing 12
End, makes the axially position on bracing frame 11 of roller bearing 12.Dust cap 6 is fixed on dust cap screw 3 surface of bracing frame 11, is played
Sealing function to dead eye 81 and bearing 8 etc., prevents from entering dust inside dead eye 81, bearing 8, prevents lubricating oil excessively quick-drying
Fall.Additionally, dust cap 6 can also cover end ring 7, roller bearing 12 is prevented to be involved in foreign body when rotation and stuck.Speed is passed
The position of the intermediate bearing aperture 81 of 5 installed therein bracing frames 11 of sensor, dust cap 6 is not installed in the position.It is preferred that fast
Degree sensor 5 is may be mounted on one end of a roller bearing 12, for measuring the rotating speed of the roller bearing 12.Using support bar 10 and
Stay nut 9, be connected between two bracing frames 11, specifically, and the connection without prejudice to roller bearing 12 of support bar 10 is freely rotated
.By the support bar 10 so that two bracing frames 11 are relatively fixed, the structural strength and structure for improving assembly pulley A is steady
It is qualitative.Cover plate 1 can be entrenched in the cover plate engagement groove 112 on 11 top of bracing frame, make cover plate 1 relative with the position of assembly pulley A solid
It is fixed.1 outer surface of cover plate is provided with the coating that one layer of material with predetermined attachment coefficient (coefficient stabilization and known) makes, and carrys out mould
Intend high attachment coefficient road surface.
Again shown in Fig. 1, a front slope 21 and a rear slopes 22 are corresponded to respectively and combine the side before and after assembly pulley A, front
Slope 21 and rear slopes 22 have an inclined-plane, facilitate vehicle to pass through inclined-plane assembly pulley A up and down.Slope hook 13 is located at assembly pulley
A faces forward 22 side of slope 21 and rear slopes, can be located at the front-end and back-end of bracing frame 11 with ground.As shown in figure 4, front oblique
The one side of the adjacent assembly pulley A in slope 21 is provided with groove 14, and the slope hook 13 can be correspondingly embedded in the groove 14, realize
Assembly pulley A is relatively fixed with front slope 21.Similarly, such groove 14 also is provided with rear slopes 22, for pulley
13 correspondence of slope hook that group A rears are arranged is combined, and rear slopes 22 is relatively fixed with assembly pulley A.Thus, front slope 21, cunning
Wheel group A, rear slopes 22 are combined successively and are relatively fixed, facilitate vehicle by rear slopes 22 to after assembly pulley A top surfaces again
Get off on the past slope 21.
In certain embodiments, the assembly pulley A described in four can be fixed on the ground, and each assembly pulley A is corresponded to respectively
Four tire locations of vehicle to be measured, part assembly pulley A tops cover the cover plate 1.Thus, not covering the assembly pulley A of cover plate 1
Roller bearing 12 simulate the road surface of low attachment coefficient, and cover the road surface for then simulating high attachment coefficient of cover plate 1, so as to simulate
Test environment.
But the present invention a preferred embodiment in, test vehicle get rid of poverty power when, be first by 4 institutes by tie-beam B
State assembly pulley A connections to combine and relative localization, then tested.As shown in Figure 2,3.Tie-beam B includes rear tie-beam
15 and left and right tie-beam 16.Vehicle force test device of getting rid of poverty is made up of four assembly pulley A, using tie-beam 15 in front and back, left and right even
The pin 41 for connecing the pin-and-hole 151,161 that beam 16 carries and arranging on the connecting plate 4 that each assembly pulley A sides are stretched out is engaged.Connection
Plate 4 is fixedly installed on the outside of bracing frame 11, which is provided with the discrepant two groups of pins 41 of height.Tie-beam 15, left and right connect in front and back
Connect beam 16 four assembly pulley A are combined on the ground, determine on tie-beam B not according to the different wheelbases and wheelspan of vehicle
Chimeric with pin-and-hole 151,161 and pin 41, one end of left and right tie-beam 16 may further pass through running through for 11 lower end of bracing frame if necessary
Hole 111, improves the regulation nargin of the two assembly pulley A relative distances in left and right, more accurately corresponds to the wheelbase of vehicle to be measured.
The vehicle of the present invention is got rid of poverty force test device using method, shown in Fig. 5：
1) according to test requirements document, choose whether to simulate the road surface of high attachment coefficient using cover plate 1 using cover plate 1, be not added with
During cover plate 1 using assembly pulley A roller bearing 12 rotational characteristic simulating low attachment coefficient road surface.
2) front slope 21, assembly pulley A and 22 three of rear slopes are combined into connection successively, is provided for the upper and lower assembly pulley A of vehicle
It is convenient.
3) instruction carriage opens top sheave group A, is connected with a pre-prepd fixing end using strain gauge N, selects vehicle to drive
Dynamic model formula, controls vehicle motor rotating speed, and the wheel on the assembly pulley A of low attachment coefficient is rotated between roller bearing 12, position
Wheel (wheel i.e. on cover plate 1) in high attachment coefficient road surface provides the power of getting rid of poverty for making vehicle advance, by strain gauge
The power size of getting rid of poverty of measuring vehicle, and the rotating speed of roller bearing 12 is measured by velocity sensor 5.
Claims (10)
1. a kind of vehicle is got rid of poverty force test device, it is characterised in that include：
At least one assembly pulley, is provided with least one roller bearing on the assembly pulley, the roller bearing can be rotated；
One cover plate with high attachment coefficient surface, the cover plate can be covered and be fixed on above the assembly pulley；
One front slope and a rear slopes, the front slope and rear slopes respectively correspond to be incorporated into the assembly pulley front and
Rear.
2. vehicle according to claim 1 is got rid of poverty force test device, it is characterised in that the assembly pulley includes two respectively
Bracing frame, described two bracing frames or so are oppositely arranged, and described two bracing frame corresponding positions are respectively equipped with least one axle
A bearing is respectively installed in bearing bore, the dead eye, the roller bearing two ends are plugged in the bearing respectively.
3. vehicle according to claim 2 is got rid of poverty force test device, it is characterised in that the cover plate outer surface is provided with one layer
The coating that material with predetermined attachment coefficient makes, the cover plate can be embedded in the cover plate of support frame as described above top setting
Engagement groove.
4. vehicle according to claim 2 is got rid of poverty force test device, it is characterised in that also tie respectively at the two ends of the roller bearing
Conjunction has a shaft retaining ring, and the shaft retaining ring is connected to two ends of the roller bearing, makes the roller bearing relative to support frame as described above
Axially position.
5. vehicle according to claim 2 is got rid of poverty force test device, it is characterised in that the assembly pulley also includes dust-proof
Lid, the dust cap cover the outside in the bearing and dead eye.
6. the vehicle according to any one of claim 1-5 is got rid of poverty force test device, it is characterised in that before the assembly pulley
Side and rear are additionally provided with least one slope hook, and the front slope is respectively equipped with knot corresponding for slope hook with rear slopes
The groove of conjunction, is linked up with and the groove contact by the slope, makes the front slope, the assembly pulley, the rear slopes three
Person combines and is relatively fixed.
7. the vehicle according to any one of claim 1-5 is got rid of poverty force test device, it is characterised in that the assembly pulley is extremely
The end of a few roller bearing combines a velocity sensor, for sensing the rotating speed of the roller bearing.
8. the vehicle according to any one of claim 2-5 is got rid of poverty force test device, it is characterised in that the assembly pulley is also wrapped
Support bar is included, the support bar is connected between two bracing frames of each assembly pulley, is relatively fixed described two bracing frames
With the structural stability for improving the assembly pulley.
9. the vehicle according to any one of claim 1-5 is got rid of poverty force test device, it is characterised in that the vehicle is got rid of poverty power
Test device includes four assembly pulleys, corresponds to four tire locations of automobile respectively；The vehicle is got rid of poverty force test device
Also include the tie-beam for the assembly pulley is connected, the tie-beam is included before former and later two assembly pulley connections
Tie-beam and the left and right tie-beam by two assembly pulley connections in left and right afterwards；The tie-beam is by four assembly pulleys
Combine and be relatively fixed.
10. vehicle according to claim 9 is got rid of poverty force test device, it is characterised in that before and after described, tie-beam, left and right be even
Connect beam is respectively arranged at two ends with several pin-and-holes；The side of each assembly pulley is respectively equipped with a connecting plate, sets on the connecting plate
There are two groups of pins, two groups of pins are correspondingly embedded in tie-beam, the pin-and-hole at left and right tie-beam two ends in front and back respectively；According to treating
The different wheelbases of measuring car and wheelspan determine the combination corresponding with the pin of corresponding pin-and-hole, make four pulleys after combination
Group corresponds to four tire locations of vehicle to be measured respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030534.4A CN106525453A (en) | 2016-11-16 | 2016-11-16 | Vehicle getting-out-of-trouble force test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030534.4A CN106525453A (en) | 2016-11-16 | 2016-11-16 | Vehicle getting-out-of-trouble force test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106525453A true CN106525453A (en) | 2017-03-22 |
Family
ID=58356071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611030534.4A Pending CN106525453A (en) | 2016-11-16 | 2016-11-16 | Vehicle getting-out-of-trouble force test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106525453A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303274A (en) * | 2018-04-16 | 2018-07-20 | 天津英创汇智汽车技术有限公司 | Experiment slope |
| CN110864904A (en) * | 2018-08-28 | 2020-03-06 | 上海科赫商务咨询有限公司 | Wheel slip locking device for automobile slip test |
| CN112098109A (en) * | 2020-07-28 | 2020-12-18 | 东风汽车集团有限公司 | Roller support for testing cross-country escaping ability of automobile |
| CN112504695A (en) * | 2020-12-03 | 2021-03-16 | 中国人民解放军63653部队 | Multi-degree-of-freedom terrain simulation device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303274A (en) * | 2018-04-16 | 2018-07-20 | 天津英创汇智汽车技术有限公司 | Experiment slope |
| CN110864904A (en) * | 2018-08-28 | 2020-03-06 | 上海科赫商务咨询有限公司 | Wheel slip locking device for automobile slip test |
| CN112098109A (en) * | 2020-07-28 | 2020-12-18 | 东风汽车集团有限公司 | Roller support for testing cross-country escaping ability of automobile |
| CN112504695A (en) * | 2020-12-03 | 2021-03-16 | 中国人民解放军63653部队 | Multi-degree-of-freedom terrain simulation device |
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