CN107478432A - Vehicle testing equipment - Google Patents
Vehicle testing equipment Download PDFInfo
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- CN107478432A CN107478432A CN201710822119.0A CN201710822119A CN107478432A CN 107478432 A CN107478432 A CN 107478432A CN 201710822119 A CN201710822119 A CN 201710822119A CN 107478432 A CN107478432 A CN 107478432A
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- roller bearing
- vehicle
- testing equipment
- limit mechanism
- upper limit
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- 238000012360 testing method Methods 0.000 title claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 102
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 230000008844 regulatory mechanism Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000837 restrainer Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000013016 damping Methods 0.000 description 5
- 230000001788 irregular Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004540 process dynamic Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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
- G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
- G01M17/0074—Details, e.g. roller construction, vehicle restraining devices
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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 kind of vehicle testing equipment, including support, roller mechanism, upper limit mechanism and two bottom position-limit mechanisms, roller mechanism and two position-limit mechanisms are respectively arranged at the bottom of support, and upper limit mechanism is arranged on support, for limiting the top of tested vehicle；Bottom position-limit mechanism includes two walls being oppositely arranged, two walls correspond to inwardly be connected with transverse axis respectively, transverse axis is connected with the preformed hole of tested vehicle, and for limiting the bottom of tested vehicle, two bottom position-limit mechanisms coordinate upper limit mechanism spacing to 3 points of tested vehicle formation.The vehicle testing equipment of this programme, service data of the electric bicycle in different road conditions can be tested on same roller bearing；It is spacing to tested vehicle formation supported at three point, improve stability of the tested vehicle in test；The adjustable load value size being carried on tested vehicle；Versatile, easy to operate, test data is accurate.
Description
Technical field
The present invention relates to vehicle testing field, especially relates to a kind of vehicle testing equipment.
Background technology
Existing whole vehicle testboard is that front-wheel is blocked on flat board, above fixed position loading vehicle carry out vehicle survey
Examination, operational factor of the test vehicle under different road conditions, and count standby.Existing whole vehicle testboard, more than price are held high
It is expensive, and can test function species it is few, load mode is single, and test when car body fix it is insecure, easily cause driving wheel wheel
Tire sideslip, influence the accuracy of final test data.
The content of the invention
In order to solve the defects of above-mentioned prior art, it is an object of the invention to provide a kind of vehicle testing equipment, for steady
It is fixed that vehicle test is carried out to vehicle exactly.
To reach above-mentioned purpose, the technical scheme is that：
A kind of vehicle testing equipment, including support, roller mechanism, upper limit mechanism and two bottom position-limit mechanisms,
The roller mechanism includes roller bearing, and is rotationally connected with the roller bearing fixed block at roller bearing both ends；The roller mechanism
The bottom of the support is respectively arranged at two position-limit mechanisms, two position-limit mechanisms are arranged in parallel, the top
Position-limit mechanism is arranged on the support, for limiting the top of tested vehicle；
The bottom position-limit mechanism includes two walls being oppositely arranged, and two walls correspond to inwardly be connected with horizontal stroke respectively
Axle, the transverse axis are connected with the preformed hole of tested vehicle, for limiting the bottom of tested vehicle, two bottom limits
Position mechanism coordinates the upper limit mechanism spacing to 3 points of tested vehicle formation.
Further, the frame bottom is installed with upper surface and is provided with the transverse base of T-slot and longitudinal base；
Two bottom position-limit mechanisms are slidably connected to the transverse base and longitudinal base respectively, and the roller bearing is fixed
Block is slidably connected to longitudinal base, and on the inside of the position-limit mechanism of corresponding bottom, wall and roller bearing the fixed block bottom is
The projection coordinated with T-slot；
The middle part of the wall vertically offers the groove of strip, and the transverse axis is slideably positioned in corresponding logical
In groove.
Further, the support includes two stand frames being just oppositely arranged, and is further fixed on the outside of the stand frame
With the horizontal the support bar at oblique angle.
Further, in addition to end and affixed load regulation mechanism of the upper limit mechanism, and for setting
The transverse strands of load regulation mechanism, the transverse strands are movably connected on the support；
The transverse strands lower surface is provided with horizontal slide rail along the longitudinal direction, and the transverse strands include being slidably connected to level
The adjusting bracket of slide rail, the load regulation mechanism are arranged at the adjusting bracket.
Further, the apparent surface on the inside of two stand frames is provided with vertical rails on vertically, described
Transverse strands both sides are correspondingly arranged on the sliding block coordinated with the vertical rails, are slidably connected by sliding block and the vertical rails,
The transverse strands are slidably connected between two stand frames, above the roller bearing.
Further, the load regulation mechanism includes being fixedly arranged on the threaded post in the middle part of the adjusting bracket, and and threaded post
The screw rod of threaded connection and the regulation handle located at screw rod upper end, the bottom of the screw rod are connected with upper limit mechanism, rotate
The regulation handle, regulation upper limit mechanism is in the position of vertical direction.
Further, the first servomotor of the support, the power transmission shaft of first servomotor are fixedly arranged in addition to
End is fixed in downwards the transverse strands；
The load regulation mechanism includes the second servomotor being fixedly arranged on the adjusting bracket, the biography of the servomotor
Moving axis end is downwards beyond the adjusting bracket and affixed with the upper limit mechanism.
Further, upper limit mechanism lower surface is horizontally arranged with horizontal slide rail, is set in the horizontal slide rail
At least two limited blocks are equipped with, and at least one limited block is slidably connected with horizontal slide rail.
Further, the roller bearing is made up of the different roller bearing section of several rat degree, wherein at least including one
Individual columned roller bearing section and a surface alignment are provided with the cylindrical roller bearing section of block-shaped protrusion.
Further, the roller bearing section of eccentric structure is included on the roller bearing.
The beneficial effects of the invention are as follows：The vehicle testing equipment of this programme, driving wheel tire directly contact roller bearing, roller bearing by
The irregular roller bearing section composition of multistage, can test service data of the vehicle in different road conditions on same roller bearing；Upper limit
Mechanism and two bottom position-limit mechanisms cooperations are spacing to tested vehicle formation supported at three point, improve tested vehicle when testing
Stability；And bottom position-limit mechanism can be adjusted arbitrarily for the actual level altitude and width of vehicle, can be best suitable for
Position fixes tested vehicle；Load regulation mechanism by adjusting the height of upper limit mechanism, it is adjustable be carried in it is tested
Load value size in test run；And this equipment has versatile, easy to operate, cost is low, simple and practical, test data essence
The advantages that quasi-.
Brief description of the drawings
Fig. 1 is a kind of structural representation of vehicle testing equipment of the present invention；
Fig. 2 is a kind of front view of vehicle testing equipment of the present invention；
Fig. 3 is the structural representation of a kind of load regulation mechanism of the present invention and upper limit mechanism；
Fig. 4 is the structural representation of axle center fixed mechanism of the present invention, roller mechanism and vehicle frame fixed mechanism；
Fig. 5 is a kind of structural representation of roller bearing of the present invention；
Fig. 6 is the working state figure that a kind of vehicle testing equipment of the present invention loads cart；
Fig. 7 is a kind of working state figure of vehicle testing equipment of another embodiment of the present invention；
Fig. 8 is the working state figure that a kind of vehicle testing equipment of another embodiment of the present invention loads tricycle.
Reference：
10 supports；11 vertical rails；12 bracing pieces；13 support bars；20 transverse strands；21 horizontal slide rails；22 sliding blocks；30 loads
Governor motion；31 regulation handles；32 screw rods；33 adjusting brackets；34 second servomotors；35 first servomotors；36 the 3rd servos
Motor；40 upper limit mechanisms；41 horizontal slide rails；42 limited blocks；50 roller bearings；51 roller bearing sections；52 roller bearing fixed blocks；60 vehicle frames
Fixed mechanism；61 second walls；62 second transverse axis；70 axle center fixed mechanisms；71 first walls；72 first transverse axis；80 longitudinal bottoms
Seat；81 transverse bases.
Embodiment
To illustrate the thought and purpose of the present invention, the present invention is done further below in conjunction with the drawings and specific embodiments
Explanation.
Here vehicle includes common electric car, motorcycle, tricycle and carriage, and this certain equipment can be also directed to
Tire or tire spring are tested.
Referring to figs. 1 to Fig. 6, a specific embodiment of the invention, a kind of vehicle testing equipment, including support 10, roller bearing are proposed
Mechanism, upper limit mechanism and two bottom position-limit mechanisms, specific bottom position-limit mechanism include axle center fixed mechanism 70 and car
Frame fixed mechanism 60,
Axle center fixed mechanism 70 is arranged at the bottom of support 10, and roller mechanism includes roller bearing 50, and is rotationally connected with rolling
The roller bearing fixed block 52 at the both ends of axle 50, the bearings at both ends of roller bearing 50 are connected to roller bearing fixed block 52, and roller bearing fixed block 52 is arranged at branch
The bottom of frame 10, and positioned at the inner side of axle center fixed mechanism 70.The wall for forming axle center fixed mechanism is the first wall 71, and transverse axis is
First transverse axis 72, axle center fixed mechanism 70 include two the first walls 71, and two middle parts of the first wall 71 slidably connect respectively
First transverse axis 72, two 72 inside faces of the first transverse axis are set.
Vehicle frame fixed mechanism 60 is arranged at the bottom of support 10, composition vehicle frame fixed mechanism 60 close to axle center fixed mechanism 70
Wall be the second wall 61, transverse axis is the second transverse axis 62, and the vehicle frame fixed mechanism 60 includes the second transverse axis 62 and two
Second wall 61, the both ends of the second transverse axis 62 are respectively arranged at two the second walls 61, for through the reserved through hole on vehicle frame,
Fixed tested cart, reserved through hole are located near the double supports of fixed vehicle frame, and the middle part of the second wall 61 is opened on vertically
There is the groove of strip, the second transverse axis 62 is each passed through the groove of the second wall 61.
As shown in fig. 6, during fixed electric car, axle center fixed mechanism 70 passes through cart by two the first transverse axis 72
Preformed hole near driving wheel axle center, that is, back vent damping installation place, it is spacing that left and right is carried out to cart；Vehicle frame fixed mechanism
60 is spacing to vehicle frame progress left and right through the preformed hole on vehicle frame by the second transverse axis 62；Driving wheel tire bottom contacts roller bearing
50.Electric car is formed by axle center fixed mechanism 70, vehicle frame fixed mechanism 60 and upper limit mechanism 40 and stablizes effective three
Point support, is used for follow-up test, easy to operate, simple and practical, and the stability of test process cart is high.
Wherein, it is transformable during the position of the first transverse axis 72 and the in the vertical direction of the second transverse axis 62, when electric car (car
) load when, can be automatically adjusted according to the size of cart in itself and weight so that testboard can adapt to it is a variety of not
With the electric car (vehicle) of size, and it is tested.
Specifically, as shown in Figures 2 and 4, the bottom of support 10 is installed with the sliding bottom that upper surface is provided with T-slot, bottom is slided
Seat includes transverse base 81 and longitudinal base 80, and the chute on chute and transverse base 81 on longitudinal base 80 is mutually perpendicular to cloth
Put, vehicle frame fixed mechanism 60, which is slidably connected, is arranged at transverse base 81, along T-slot transverse shifting；The company of slip on longitudinal base 80
Connect and be provided with axle center fixed mechanism 70 and roller bearing 50.
Vehicle frame fixed mechanism 60, axle center fixed mechanism 70 and roller bearing 50 can in transverse base 81 and longitudinal base 80 root
According to progress position adjustment is needed, up and down or horizontally slip to particular location, temporary spacing is then carried out by locating part, to adapt to
The vehicle of different sizes.
In the present embodiment, multiple T type grooves are each arranged with parallel on transverse base 81 and longitudinal base 80, vehicle frame is solid
It is the projection coordinated with T-slot to determine mechanism 60, roller bearing fixed block 52 and the bottom of axle center fixed mechanism 70.Specifically, the present embodiment
In, roller bearing 50 is two, is disposed proximate on longitudinal base 80.
Support 10 as shown in Figure 1 includes two stand frames being just oppositely arranged, and is further fixed on the outside of stand frame and level
The support bar 13 of face bevel.Stand frame is rectangle support frame, reverse V-shaped bracing piece 12 is provided with stand frame, outside stand frame
Side has support bar 13 to withstand stand frame, and support bar 13 and bracing piece 12 are capable of the overall mechanical strength of reinforced support 10, improve branch
The overall stability of frame 10.
Specifically, vehicle testing equipment also includes the transverse strands 20 being connected between stand frame, load regulation mechanism 30
It is arranged in transverse strands 20, the in the vertical direction of load regulation mechanism 30 is Height Adjustable.
With reference to figure 3, the lower surface of transverse strands 20 is provided with horizontal slide rail 21 along the longitudinal direction, the company of slip on horizontal slide rail 21
It is connected to adjusting bracket 33；Load regulation mechanism 30 includes the threaded post for being fixedly arranged on the middle part of the adjusting bracket 33, and with screw thread male screw
The screw rod 32 of connection and the regulation handle 31 located at the upper end of screw rod 32, the bottom of screw rod 32 are connected with upper limit mechanism 40, turn
Dynamic regulation handle 31, regulation upper limit mechanism 40 is in the position of vertical direction.Rotate regulation handle 31, screw rod 32 and threaded post
Relative position change, the vertical height for being further carried to upper limit mechanism 40 changes, when cart load survey
During test stand, upper limit mechanism 40 is contacted at the top of cart, by further adjust it is secondary again by height can effectively adjust
The test load of electronic electric car, to carry out the test under different loads to cart.
Specifically, the lower surface of upper limit mechanism 40 is horizontally arranged with horizontal slide rail 41, it is provided with horizontal slide rail 41
At least two limited blocks 42, and at least one limited block 42 is slidably connected with horizontal slide rail 41.In the present embodiment, horizontal slide rail
Two limited blocks 42 are slidably connected on 41, limited block 42 can slide into ad-hoc location, upper limit in horizontal slide rail 41
When mechanism 40 directly contacts with tested vehicle roof and applies pressure, by the position for adjusting limited block 42 so that two limits
Position block 42 is located at the both sides of tested cart, ensures that tested vehicle first half in test process will not rock, improves and survey
Try precision.Limited block 42 can temporarily be fixed after specified location is slided into by other parts, for example, screw or other
Fastener.
Specifically, the quantity of horizontal slide rail 41 is two, two horizontal slide rails 41 be arranged in parallel.A plurality of horizontal slide rail 41 is set
It is spacing many places can be played to the tested cart first half so that it is spacing more stablize it is firm.
Specifically, regulation handle 31 includes being fixed in the disk of the upper end of screw rod 32, and projection is fixed on disk upper surface
Handle post.Handle post is arranged in a mutually vertical manner close to the side of disk with disc surfaces.When rotating regulation handle 31, by firmly
It is disc-rotated to act on handle post, and then drives screw rod 32 to rotate, it is convenient and strength-saving, and manufacturing cost is low.
As depicted in figs. 1 and 2, the relative surface of two stand frames is provided with vertical rails 11 on vertically, at this
In embodiment, the stand frame of side is vertically provided with two vertical rails being parallel to each other 11, the both ends pair of transverse strands 20
The sliding block 22 coordinated with vertical rails 11 should be provided with, is coordinated by sliding block 22 and vertical rails 11, transverse strands 20 are slidably connected
Between two stand frames, above roller bearing 50.
In the tested vehicle load of regulation, it first probably can adjust transverse strands 20 by sliding block 22 and vertical rails 11 and exist
The position of vertical direction, then it is spacing to the progress of the in the vertical direction position of transverse strands 20 by corresponding locating part, finally by
Regulation handle 31 finely tunes specific test load.This structure can realize quick regulation load and fine setting load simultaneously, and operate letter
It is single efficient.
In another embodiment of the invention, load regulation mechanism 30 can also be removed, by direct in transverse strands 20
Increase pouring weight adjusts the test load of tested cart to realize.Or in a certain specific embodiment of this programme, load is adjusted
Mechanism 30 is saved, can be cylinder, hydraulic cylinder or motor, the load load mode of the present embodiment can be manual by said mechanism
Load or loaded automatically by way of cylinder, hydraulic cylinder or motor.Compared with this embodiment above,
It is the difference of power using cylinder, hydraulic cylinder or motor, purpose is provided to the active force for being supplied to vehicle downward.
The hydraulic axis that roller bearing fixed block 52 connects, and the motor with hydraulic axis drive connection, and the frequency conversion of connection motor
Device, motor driven hydraulic axis are stretched, and change the position of roller bearing fixed block 52.Pass through the flexible of frequency converter and motor control hydraulic axis
The driving wheel of tested cart is allowed to automatically switch to irregular roller bearing section 51 in setting time, to simulate different road conditions to quilt
Cart is surveyed to be tested.
The vehicle testing equipment of this programme, upper limit mechanism, vehicle frame fixed mechanism and axle center fixed mechanism coordinate to quilt
It is spacing to test vehicle formation supported at three point, improves stability of the tested vehicle in test；And vehicle frame fixed mechanism and axle center
Fixed mechanism can be adjusted arbitrarily for the actual level altitude and width of vehicle, can be fixed in most suitable position tested
Vehicle；Load regulation mechanism is by adjusting the height of upper limit mechanism, the adjustable load value being carried on tested vehicle
Size；And this equipment has versatile, easy to operate, the advantages that cost is low, simple and practical, and test data is accurate.
With reference to figure 5, in another embodiment of this programme, roller bearing 50 include it is multiple join end to end, the roller bearing section 51 of column
Composition；The surface characteristics of two roller bearing sections 51 of arbitrary neighborhood is different.Specifically, roller bearing 50 is by several rat journeys
Different roller bearing sections 51 is spent to form.As illustrated, roller bearing 50 is provided with the columned of block-shaped protrusion comprising a surface alignment
Roller bearing section 51, a columned roller bearing section 51, each and every one more cross section outward flanges are that enclosed type circulates wavy roller bearing section 51,
The peak valley quantity of the wave of these roller bearing sections 51 is different, and concavo-convex depth is different, and surface roughness has differences, rolling of different shapes
Shaft part 51 is used to simulate different road conditions, to reach the purpose of test cart exercise data in different road conditions.
The length of roller bearing section can be selected according to the width of the tire of actual test vehicle, and concrete numerical value is indefinite.
The vehicle testing equipment of this programme, driving wheel tire directly contact roller bearing, and roller bearing is by the irregular roller bearing section of multistage
Composition, can test service data of the electric car in different road conditions on same roller bearing.
It is to be noted that：
Multistage roller bearing is that entirety is in the form of a column, and is in contact when roller bearing rotates with the surface of wheel.For simulated roadway, especially
It is a variety of pavement structures, the present invention mainly changes the surface characteristics of roller bearing.This surface characteristics can show as it is raised,
Depression, texture structure, the difference of surface characteristics can be that rat degree is different, and sinking degree is different, or surface texture
Structure is different.
The main body of roller bearing section can be columned, be realized as the another kind to surface characteristics, from the point of view of radial section,
The edge of each roller bearing section is a closed curve, and it is a circle to be not necessarily overall fit.For example it can also be oval
Shape, or the irregular curve of some other closed types.When roller bearing section is around axis rotation, if the radial direction of roller bearing section
The closed curve of section edges is not circular, will produce and jolt when being contacted between roller bearing section and vehicle, more multiple to simulate
Miscellaneous pavement structure.In addition, the surface characteristics of the roller bearing section of the present invention should not be construed as simply bulge-structure.
Adjacent roller bearing section can be being fixedly connected or dismountable connected on same root roller bearing.Work as use
When being detachably connected, it is easier to realize a variety of test combinations.Adjacent roller bearing section can be connected using connector, such as be used
Quick connection part, such as using adpting flange, bolt connection or using threaded connection.
Test has order, step, if measurement direction is set as into positive direction, then along measurement direction, roller bearing can
With the cone for being taper increase or reducing.Adjacent roller bearing section can have obvious ledge structure, can also not have
Ledge structure, when without ledge structure, smooth transition is presented in the two.
It is pointed out that the average diameter of each roller bearing section can be different, if having between adjacent roller bearing section
During diameter difference, domatic carry out transition can be set therebetween.Here it is mainly it is considered that identical structure or similar structures
Roller bearing section, if its diameter is different, then test effect also differs.Citing, the surface of roller bearing section is gear (teeth) shape,
So different diameters will cause the test effect of different (it is assumed that teeth quantity is identical), such as different degree of jolting.
The actual setting of the roller bearing section of different sections is exactly to complete multiple test on a roller bearing, passes through vehicle
Axial movement is produced between roller bearing to adjust the project of test, the corresponding test cell of each roller bearing section.
If the edge of roller bearing is complicated closed curve, when the axle center of roller bearing is the positive heart (center of circle), roller bearing can produce
Jolt.Certainly, if the roller bearing section of eccentric structure, when roller bearing axis rotation, the roller bearing section of eccentric structure can arrive
The peak reached is to continue conversion, also can accurately simulate the road conditions jolted.
The vehicle testing equipment of this programme, the tire of driving wheel directly contact roller bearing, and roller bearing is by the irregular roller bearing of multistage
Duan Zucheng, service data of the electric bicycle in different road conditions can be tested on same roller bearing.
In the another specific embodiment of the present invention, damping dress can be arranged as required between roller bearing and roller bearing fixed block
Put or power set, power set are used to drive roller bearing to rotate relative to roller bearing fixed block so that roller bearing is the master of test process
Dynamic component, relative motion is formed with tire；Damping unit, to adjust the resistance of roller bearing rotation, further adjust its rotating speed (angle
Speed), by adding damping, the test intensity of vehicle can also be improved.Damping unit can be the dress similar to vehicle braking
Put, such as disc brake, friction plate mode.In the another specific embodiment of the present invention, water spray dress is provided near roller mechanism
Put, when testing vehicle, water injector can be controlled to be sprayed water against roller bearing, for simulating the road conditions of rainy day.
As the deformation to above-described embodiment, water injector can also be arranged on the inside of roller bearing, can be specifically roller bearing
Surface there is hole for water spraying, hole for water spraying is responsible for ejecting or flows out the water that is supplied by water injector.
More extensive, water injector injection can be not only water, can also be liquid, such as oil, can be specifically
Diesel oil or machine oil etc..
With reference to figure 7, in another specific embodiment of the present invention, a kind of vehicle testing equipment includes being fixedly arranged on the first of support
Servomotor 35, the transmission shaft end of the first servomotor 35 are fixed in downwards transverse strands；Load regulation mechanism includes being fixedly arranged on
The second servomotor 34 on the adjusting bracket, the transmission shaft end of the second servomotor 34 downwards beyond adjusting bracket and with top
Portion's position-limit mechanism is affixed；And the 3rd servomotor 36 being laterally connected with the transverse axis of bottom position-limit mechanism.
Length that first servomotor 35 and the second servomotor 34 are extended downwardly from by power transmission shaft corresponding to regulation is controlled
Upper limit mechanism processed controls the test load size of tested vehicle in the position of vertical direction, by servomotor come
The load of the tested vehicle of control, the step of eliminating artificial debugging, simple and convenient, testing efficiency is higher；3rd servo
The transverse axis of the transmission shaft end connection bottom position-limit mechanism of motor 36, can adjust the length that corresponding wall is stretched out in X direction,
And then the position that the tire for adjusting tested vehicle contacts with roller bearing.
Above-mentioned the first servomotor 35, the second servomotor 34 and the 3rd servomotor is all connected with frequency converter, passes through change
The corresponding servomotor work of frequency device control.It is of course also possible to passed using hydraulic transmission, pneumatic actuator or other machineries
Dynamic device is adjusted instead of servomotor.
By installing servomotor additional, can more preferably to vehicle testing equipment carry out Automated condtrol, reduce manual operation into
This, improves operating efficiency.
With reference to figure 8, scene when being used to test tricycle for vehicle testing equipment, the load mode of carriage with
Tricycle is similar.
In the present embodiment, each bottom position-limit mechanism includes two transverse axis being oppositely arranged, and two bottoms are spacing
The transverse axis of device is correspondingly connected near the axle center of tricycle front wheels and rear wheels, spacing for carrying out left and right to three-wheel car bottom,
And upper limit mechanism is coordinated to carry out 3 points of spacing, stability when ensureing tested to tested tricycle.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, every utilization
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of vehicle testing equipment, it is characterised in that including support, roller mechanism, upper limit mechanism and two bottom limits
Position mechanism,
The roller mechanism includes roller bearing, and is rotationally connected with the roller bearing fixed block at roller bearing both ends；The roller mechanism and two
Individual position-limit mechanism is respectively arranged at the bottom of the support, and two position-limit mechanisms are arranged in parallel, the upper limit
Mechanism is arranged on the support, for limiting the top of tested vehicle；
The bottom position-limit mechanism includes two walls being oppositely arranged, and two walls correspond to inwardly be connected with transverse axis respectively, institute
The preformed hole that transverse axis is stated with tested vehicle is connected, for limiting the bottom of tested vehicle, two bottom position restrainers
Structure coordinates the upper limit mechanism spacing to 3 points of tested vehicle formation.
2. vehicle testing equipment as claimed in claim 1, it is characterised in that the frame bottom is installed with upper surface and is provided with T
The transverse base of type groove and longitudinal base；
Two bottom position-limit mechanisms are slidably connected to the transverse base and longitudinal base respectively, and the roller bearing fixed block is slided
It is dynamic to be connected to longitudinal base, and on the inside of the position-limit mechanism of corresponding bottom, wall and roller bearing the fixed block bottom be with it is T-shaped
The projection that groove coordinates；
The middle part of the wall vertically offers the groove of strip, and the transverse axis is slideably positioned in corresponding groove
It is interior.
3. vehicle testing equipment as claimed in claim 1, it is characterised in that the support includes two branch being just oppositely arranged
Frame frame, the support bar with the horizontal oblique angle is further fixed on the outside of the stand frame.
4. vehicle testing equipment as claimed in claim 3, it is characterised in that also consolidate including end and the upper limit mechanism
The load regulation mechanism connect, and for setting the transverse strands of load regulation mechanism, the transverse strands are movably connected on the branch
Frame；
The transverse strands lower surface is provided with horizontal slide rail along the longitudinal direction, and the transverse strands include being slidably connected to horizontal slide rail
Adjusting bracket, the load regulation mechanism is arranged at the adjusting bracket.
5. vehicle testing equipment as claimed in claim 4, it is characterised in that the apparent surface edge on the inside of two stand frames
Vertical rails are provided with vertical direction, the transverse strands both sides are correspondingly arranged on the sliding block coordinated with the vertical rails, lead to
Cross sliding block to be slidably connected with the vertical rails, the transverse strands are slidably connected between two stand frames, positioned at described
Above roller bearing.
6. vehicle testing equipment as claimed in claim 5, it is characterised in that the load regulation mechanism is described including being fixedly arranged on
Threaded post in the middle part of adjusting bracket, and the screw rod being threadedly coupled with threaded post and the regulation handle located at screw rod upper end, the screw rod
Bottom be connected with upper limit mechanism, rotate the regulation handle, regulation upper limit mechanism is in the position of vertical direction.
7. vehicle testing equipment as claimed in claim 5, it is characterised in that also include the first servo for being fixedly arranged on the support
Motor, the transmission shaft end of first servomotor are fixed in downwards the transverse strands；
The load regulation mechanism also includes the second servomotor being fixedly arranged on the adjusting bracket, the transmission of the servomotor
Shaft end is downwards beyond the adjusting bracket and affixed with the upper limit mechanism.
8. the vehicle testing equipment as described in claim 1-7, it is characterised in that upper limit mechanism lower surface is transversely
Horizontal slide rail is provided with, at least two limited blocks, and at least one limited block and horizontal slide rail are provided with the horizontal slide rail
It is slidably connected.
9. vehicle testing equipment as claimed in claim 8, it is characterised in that the roller bearing by several rat degree not
Same roller bearing section composition.
10. vehicle testing equipment as claimed in claim 9, it is characterised in that the roller bearing includes columned roller bearing section, table
Face is disposed with the cylindrical roller bearing section of block-shaped protrusion and the roller bearing section of eccentric structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710822119.0A CN107478432A (en) | 2017-09-13 | 2017-09-13 | Vehicle testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Application publication date: 20171215 |