CN208751886U - A kind of platform for testing suspension of car - Google Patents
A kind of platform for testing suspension of car Download PDFInfo
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- CN208751886U CN208751886U CN201821321694.9U CN201821321694U CN208751886U CN 208751886 U CN208751886 U CN 208751886U CN 201821321694 U CN201821321694 U CN 201821321694U CN 208751886 U CN208751886 U CN 208751886U
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- detection plate
- rod
- piston
- platform
- hinged
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Abstract
The utility model discloses a kind of platform for testing suspension of car, it is related to car consumption credit equipment technical field, the utility model includes rack, frame upper end face is provided with detection plate, bottom is provided with pedestal in rack, it is hinged on pedestal that there are two swinging axles, swinging axle passes through hinge and is hinged with length-adjustable oscillating rod, the oscillating rod other end is hinged with the pressure sensor positioned at detection plate bottom, the control cabinet being provided on pedestal between two swinging axles, dual Piston oil cylinder is provided in control cabinet, dual Piston oil cylinder both ends are stretched out control cabinet and are connected on corresponding hinge by pin, the utility model has structure simple, adjustable amplitude, the advantages of strong applicability.
Description
Technical field
The utility model relates to car consumption credit equipment technical fields, detect more particularly to a kind of automotive suspension
Platform.
Background technique
Suspension is an important assembly in automobile, it flexibly connects vehicle frame with wheel, is related to automobile
A variety of service performances.Exteriorly, car suspension is the automobile assembly for being relatively inaccessible to perfect requirement, this is because suspension
The comfort requirement that automobile should be met, meets the requirement of its control stability again, and suspension be only by some bars, cylinder and
Spring composition, but must not be with very simple for it, phase negative side is in opposition to each other again, for example, in order to obtain good relax
Adaptive needs the vibration of buffering automobile significantly, and such spring will be designed softer, but soft settle of spring is easy to make automobile
It brakes " nodding ", " new line " and left and right is accelerated to roll serious harmful trend, be unfavorable for the steering of automobile, be easy to cause automobile
It manipulates unstable etc..
Automobile suspension characteristic test generally uses Suspension detecting platform, and traditional platform for testing suspension of car generally comprises electronic
Machine, accumulated energy flywheel, eccentric wheel, spring and detection plate etc., motor drive eccentric wheel make eccentric wheel constantly hit detection when rotating
Plate resonates so that detection plate be made to vibrate up and down until with automotive suspension apparatus intrinsic frequency, but this structureborne noise ratio
It is larger, eccentric wheel serious wear, therefore now use multiaxis radial type Suspension detecting platform, can drive detection plate it is regular on
Lower swing, avoids the direct shock between component, reduces noise and wear damage, but this structure is there is also certain defect,
Since articulated shaft is all regular length, so that it is also fixation that detection plate, which vibrates up and down amplitude, various practical roads cannot be simulated
Face operating condition, the scope of application are small.
Therefore above-mentioned technical problem how is solved, there is very much realistic meaning to those skilled in the art.
Utility model content
The purpose of this utility model is that: it shakes up and down to solve the detection plate in existing multiaxis radial type Suspension detecting platform
Dynamic amplitude be it is fixed, various practical road surface operating conditions cannot be simulated, the small technical problem of the scope of application, the utility model provides one
Kind platform for testing suspension of car.
The utility model specifically uses following technical scheme to achieve the goals above:
A kind of platform for testing suspension of car, including rack, frame upper end face are provided with detection plate, and bottom is provided with bottom in rack
, hinged there are two swinging axle on pedestal, swinging axle passes through hinge and is hinged with length-adjustable oscillating rod, the oscillating rod other end
It is hinged with the pressure sensor positioned at detection plate bottom, the control cabinet being provided on pedestal between two swinging axles, control
Dual Piston oil cylinder is provided in case processed, dual Piston oil cylinder both ends stretch out control cabinet and are connected to corresponding hinge by pin
On.
Further, oscillating rod includes the band internal thread first sleeve hinged with corresponding swinging axle, first sleeve spiral shell
Line is connected with adjusting screw rod, and the adjusting screw rod other end is connected with second sleeve, and second sleeve is internally provided with and adjusts spiral shell
The ball bearing of bar cooperation, the second sleeve other end are hinged on pressure sensor bottom, adjusting screw rod close to second sleeve one
End is provided with adjusting spanner.
Further, dual Piston oil cylinder includes cylinder barrel, is provided with isolation board at cylinder barrel bosom, and isolation board is by cylinder barrel
Inside is separated into two cavitys, the piston rod for being provided with piston block in two cavitys and connecting with piston block, and piston rod is another
End is stretched out cylinder barrel and is connected with corresponding hinge, offers two the first oil ducts, the first oil between cylinder barrel and isolation board respectively
The cavity that road is surrounded with partition and corresponding piston block respectively communicates, and two the second oil ducts, the second oil duct difference are offered on cylinder barrel
The cavity of piston rod corresponding with having in cylinder barrel communicates, and cylinder barrel both ends are provided with and the sealing ring of corresponding piston rod cooperation.
Further, guide rod is provided at detection plate bottom four corners, there are four match with corresponding guide rod for setting on pedestal
The ball bearing guide bushing of conjunction, guide rod protrude into ball bearing guide bushing.
Further, the weighing sensor flushed with detection plate top surface is provided in detection plate.
Further, detection plate top surface is provided with one layer of antiskid plate.
Working principle: automobile is reached into Suspension detecting platform, an a wheel corresponding monitor station is first when monitor station works
Two piston rods of first dual Piston oil cylinder pull hinge to move reciprocatingly, to make the swinging axle and oscillating rod hinged with hinge
Regular to swing back and forth, oscillating rod then drives detection plate to vibrate up and down, by controlling piston rod reciprocating frequency, to adjust
Detection plate vibrates up and down frequency, so that detection plate and automotive suspension apparatus is resonated, measures automobile by pressure sensor at this time
Minimum ground connection power when resonance, to judge automobile suspension characteristic, while the weighing sensor in detection plate measures truck wheel weight
Power.
The beneficial effects of the utility model are as follows:
1, the up-down vibration amplitude for adjusting detection plate as needed, first elongates or shortens two oscillating rods, and protect simultaneously
Consistent length is held, when specific operation, spanner is adjusted by rotation, adjusting screw rod is screwed out or screwed in first sleeve, while second set
Ball in cylinder adjusts the rotation of cooperation adjusting screw rod, therefore first sleeve and second sleeve all will not be with when adjusting screw rod rotates
Rotation, be that the entire length of entire oscillating rod can be changed by adjusting screw rod, then drive two by dual Piston oil cylinder
Hinge moves reciprocatingly, to make the swinging axle and oscillating rod hinged with hinge are regular to swing back and forth, oscillating rod is then driven
Detection plate vibrates up and down, and the more long then detection plate amplitude of oscillating rod is bigger, and the more short then detection plate amplitude of oscillating rod is smaller, passes through change
Detection plate amplitude can be adjusted in oscillating rod entire length, easy to operate, and the utility model can simulate various practical road surfaces
Operating condition, it is applied widely.
2, when dual Piston cylinder efficient, hydraulic oil is injected from the first oil duct, the second oil duct is in closed state, liquid at this time
Pressure oil pushes corresponding piston block after entering two cavitys, to make two piston rods while stretch out cylinder barrel, opens the second oil duct note
Enter hydraulic oil, hydraulic oil enters the inner cavity of cylinder for having piston rod, pushes corresponding piston block and piston rod toward close to isolation board direction
Sliding, while the hydraulic oil between piston block and isolation board is extruded corresponding first oil duct, to keep two piston rods same
When shrink, easy to operate, hydraulic energy driving force ratio is larger, and mechanical movement performance is good, and the sealing ring at cylinder barrel both ends can be prevented
Only hydraulic oil seepage.
3, guide rod is provided at detection plate bottom four corners, there are four the balls cooperated with corresponding guide rod for setting on pedestal
Guide sleeve, guide rod protrude into ball bearing guide bushing, and guide rod can do linear motion vertically downward in ball bearing guide bushing, to guide inspection
Drafting board does linear motion vertically downward, avoids shifting, while several universal steel balls in ball bearing guide bushing can be reduced and lead
To the frictional force between bar, the abrasion to guide rod is reduced, robust motion is good.
4, the weighing sensor flushed with detection plate top surface is provided in detection plate, convenient for directly measuring automotive wheels gravity,
Multiple functional, detection plate top surface is provided with one layer of antiskid plate, prevents wheel-slip from shifting, influences measurement data.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of platform for testing suspension of car of the utility model；
Fig. 2 is the structural schematic diagram of oscillating rod；
Fig. 3 is the structural schematic diagram of dual Piston oil cylinder.
Appended drawing reference: 1- rack, 2- detection plate, 3- pedestal, 4- swinging axle, 5- hinge, 6- oscillating rod, 6.1- first set
Cylinder, 6.2- adjusting screw rod, 6.3- second sleeve, 6.4- ball bearing, 6.5- adjusting spanner, 7- pressure sensor, 8- control cabinet,
9- dual Piston oil cylinder, 9.1- cylinder barrel, 9.2- isolation board, 9.3- piston block, 9.4- piston rod, the first oil duct of 10-, 11- second
Oil duct, 12- sealing ring, 13- guide rod, 14- ball bearing guide bushing, 15- weighing sensor, 16- antiskid plate.
Specific embodiment
In order to which those skilled in the art better understand the utility model, with reference to the accompanying drawing with following embodiment to this
Utility model is described in further detail.
Embodiment 1
As shown in Fig. 1 to 3, the present embodiment provides a kind of platform for testing suspension of car, including rack 1, the settings of 1 upper surface of rack
There is detection plate 2, bottom is provided with pedestal 3 in rack 1, and hinged there are two swinging axle 4 on pedestal 3, swinging axle 4 passes through hinge 5
It is hinged with length-adjustable oscillating rod 6,6 other end of oscillating rod is hinged with the pressure sensor 7 positioned at 2 bottom of detection plate, bottom
It is provided with control cabinet 8 between two swinging axles 4 on seat 3, is provided with dual Piston oil cylinder 9, dual Piston in control cabinet 8
9 both ends of oil cylinder are stretched out control cabinet 8 and are connected on corresponding hinge 5 by pin, and oscillating rod 6 includes hinged with corresponding swinging axle 4
Band internal thread first sleeve 6.1, first sleeve 6.1 is threaded with adjusting screw rod 6.2,6.2 other end of adjusting screw rod
It is connected with second sleeve 6.3, second sleeve 6.3 is internally provided with the ball bearing 6.4 cooperated with adjusting screw rod 6.2, the
Two sleeves, 6.3 other end is hinged on 7 bottom of pressure sensor, and adjusting screw rod 6.2 is provided with tune close to one end of second sleeve 6.3
Save spanner 6.5.
In the present embodiment, as needed adjust detection plate up-down vibration amplitude, first by two oscillating rods simultaneously extend or
Shorten, and be consistent length, when specific operation, spanner is adjusted by rotation, adjusting screw rod is screwed out or screwed in first sleeve,
The ball in second sleeve adjusts the rotation of cooperation adjusting screw rod simultaneously, therefore first sleeve and second set when adjusting screw rod rotates
Cylinder will not all rotate with it, and be the entire length that entire oscillating rod can be changed by adjusting screw rod, then pass through dual Piston oil
Cylinder drives two hinges to move reciprocatingly, to make the swinging axle and oscillating rod hinged with hinge are regular to swing back and forth, puts
Lever then drives detection plate to vibrate up and down, and the more long then detection plate amplitude of oscillating rod is bigger, the more short then detection plate amplitude of oscillating rod more
It is small, detection plate amplitude can be adjusted by changing oscillating rod entire length, easy to operate, the utility model can simulate respectively
The practical road surface operating condition of kind, it is applied widely.
Embodiment 2
As shown in figs. 1 and 3, the present embodiment is to be further optimized on the basis of embodiment 1, specifically, double-piston
Formula oil cylinder 9 includes cylinder barrel 9.1, is provided with isolation board 9.2 at 9.1 bosom of cylinder barrel, and isolation board 9.2 is by 9.1 inner part of cylinder barrel
Two cavitys are divided into, are provided with piston block 9.3 and the piston rod connecting with piston block 9.3 9.4, piston rod in two cavitys
9.4 other ends stretch out cylinder barrel 9.1 and connect with corresponding hinge 5, offer two respectively between cylinder barrel 9.1 and isolation board 9.2
The first oil duct of item 10, the cavity that the first oil duct 10 is surrounded with partition and corresponding piston block 9.3 respectively are communicated, are opened up on cylinder barrel 9.1
There are two the second oil ducts 11, the cavity of the second oil duct 11 piston rod 9.4 corresponding with having in cylinder barrel 9.1 respectively communicates, and 9.1 liang of cylinder barrel
End is provided with and the sealing ring 12 of corresponding piston rod 9.4 cooperation.
In the present embodiment, when dual Piston cylinder efficient, hydraulic oil is injected from the first oil duct, the second oil duct is in envelope at this time
Closed state, hydraulic oil pushes corresponding piston block after entering two cavitys, to make two piston rods while stretch out cylinder barrel, opening the
Two oil ducts inject hydraulic oil, and hydraulic oil, which enters, the inner cavity of cylinder of piston rod, push corresponding piston block and piston rod toward close to every
It is slided from plate direction, while the hydraulic oil between piston block and isolation board is extruded corresponding first oil duct, to make two
Piston rod is shunk simultaneously, easy to operate, and hydraulic energy driving force ratio is larger, and mechanical movement performance is good, cylinder barrel both ends it is close
Seal can prevent hydraulic oil seepage.
Embodiment 3
As shown in Figure 1, the present embodiment is to be further optimized on the basis of embodiment 1, and specifically, 2 bottom of detection plate
Portion's four corners are provided with guide rod 13, and there are four the ball bearing guide bushing 14 cooperated with corresponding guide rod 13, guide rods for setting on pedestal 3
13 protrude into ball bearing guide bushing 14.
In the present embodiment, guide rod can do linear motion vertically downward in ball bearing guide bushing, so that detection plate be guided to do
Linear motion vertically downward avoids shifting, at the same several universal steel balls in ball bearing guide bushing can be reduced with guide rod it
Between frictional force, reduce abrasion to guide rod, robust motion is good.
Embodiment 4
As shown in Figure 1, the present embodiment is to be further optimized on the basis of embodiment 1, specifically, in detection plate 2
It is provided with the weighing sensor 15 flushed with 2 top surface of detection plate, 2 top surface of detection plate is provided with one layer of antiskid plate 16.
In the present embodiment, the setting of weighing sensor is multiple functional convenient for directly measuring automotive wheels gravity, detects plate top surface
It is provided with one layer of antiskid plate, prevents wheel-slip from shifting, influences measurement data.
The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, it is equivalent made by all specifications and accompanying drawing content with the utility model
Structure change similarly should be included in the protection scope of the utility model.
Claims (6)
1. a kind of platform for testing suspension of car, including rack (1), rack (1) upper surface is provided with detection plate (2), rack (1) interior bottom
Portion is provided with pedestal (3), which is characterized in that hinged there are two swinging axle (4) on pedestal (3), swinging axle (4) passes through hinge
(5) it is hinged with length-adjustable oscillating rod (6), oscillating rod (6) other end is hinged with the pressure biography positioned at detection plate (2) bottom
Sensor (7), the control cabinet (8) being provided on pedestal (3) between two swinging axles (4) are provided with dual-active in control cabinet (8)
Plug oil cylinder (9), dual Piston oil cylinder (9) both ends are stretched out control cabinet (8) and are connected on corresponding hinge (5) by pin.
2. a kind of platform for testing suspension of car according to claim 1, which is characterized in that oscillating rod (6) include and it is corresponding pendulum
The hinged band internal thread first sleeve (6.1) of moving axis (4), first sleeve (6.1) are threaded with adjusting screw rod (6.2),
Adjusting screw rod (6.2) other end is connected with second sleeve (6.3), and second sleeve (6.3) is internally provided with and adjusting screw rod
(6.2) ball bearing (6.4) cooperated, second sleeve (6.3) other end are hinged on pressure sensor (7) bottom, adjusting screw rod
(6.2) one end close to second sleeve (6.3), which is provided with, adjusts spanner (6.5).
3. a kind of platform for testing suspension of car according to claim 1, which is characterized in that dual Piston oil cylinder (9) includes cylinder
Cylinder (9.1) is provided with isolation board (9.2) at cylinder barrel (9.1) bosom, and isolation board (9.2) will be separated into inside cylinder barrel (9.1)
Two cavitys, the piston rod (9.4) for being provided with piston block (9.3) and being connect with piston block (9.3) in two cavitys, piston rod
(9.4) other end stretches out cylinder barrel (9.1) and connects with corresponding hinge (5), divides between cylinder barrel (9.1) and isolation board (9.2)
Two the first oil ducts (10), the cavity phase that the first oil duct (10) is surrounded with partition and corresponding piston block (9.3) respectively are not offered
It is logical, offer two the second oil ducts (11) on cylinder barrel (9.1), the second oil duct (11) respectively with have corresponding piston in cylinder barrel (9.1)
The cavity of bar (9.4) communicates, and cylinder barrel (9.1) both ends are provided with and the sealing ring (12) of corresponding piston rod (9.4) cooperation.
4. a kind of platform for testing suspension of car according to claim 1, which is characterized in that set at detection plate (2) bottom four corners
It is equipped with guide rod (13), there are four the ball bearing guide bushing (14) cooperated with corresponding guide rod (13), guide rods for setting on pedestal (3)
(13) it protrudes into ball bearing guide bushing (14).
5. a kind of platform for testing suspension of car according to claim 1 or 4, which is characterized in that be provided in detection plate (2) with
The weighing sensor (15) that detection plate (2) top surface flushes.
6. a kind of platform for testing suspension of car according to claim 5, which is characterized in that detection plate (2) top surface is provided with one
Layer antiskid plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821321694.9U CN208751886U (en) | 2018-08-16 | 2018-08-16 | A kind of platform for testing suspension of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821321694.9U CN208751886U (en) | 2018-08-16 | 2018-08-16 | A kind of platform for testing suspension of car |
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| Publication Number | Publication Date |
|---|---|
| CN208751886U true CN208751886U (en) | 2019-04-16 |
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ID=66080516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821321694.9U Active CN208751886U (en) | 2018-08-16 | 2018-08-16 | A kind of platform for testing suspension of car |
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| Country | Link |
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| CN (1) | CN208751886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333023A (en) * | 2019-06-12 | 2019-10-15 | 武汉科技大学 | Strain-type tire road three-dimensional stress measuring device and its measurement method |
-
2018
- 2018-08-16 CN CN201821321694.9U patent/CN208751886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333023A (en) * | 2019-06-12 | 2019-10-15 | 武汉科技大学 | Strain-type tire road three-dimensional stress measuring device and its measurement method |
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