CN107782483A - A kind of servicing unit suitable for the desk-top detection of AWD car brake force - Google Patents
A kind of servicing unit suitable for the desk-top detection of AWD car brake force Download PDFInfo
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- CN107782483A CN107782483A CN201711058200.2A CN201711058200A CN107782483A CN 107782483 A CN107782483 A CN 107782483A CN 201711058200 A CN201711058200 A CN 201711058200A CN 107782483 A CN107782483 A CN 107782483A
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- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 230000000452 restraining effect Effects 0.000 claims abstract description 3
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 210000005069 ears Anatomy 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/28—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes
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- 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
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Abstract
A kind of servicing unit suitable for the desk-top detection of AWD car brake force,It is related to Automobile Braking Force Detecting technical field,It includes for the free drum apparatus of simulated roadway and the constraint drum apparatus for providing restraining force to vehicle,Constrain the rear that drum apparatus is arranged on single shaft anti-force type braking forces measuring platform,Free drum apparatus is in the respectively installation two of single shaft anti-force type braking forces measuring platform front and back,Free drum apparatus includes free roller group and lowering or hoisting gear,Lowering or hoisting gear rises to prevent automobile from moving,Lowering or hoisting gear declines then automobile tire and contacted with free roller group,Constraining drum apparatus includes the hydraulic cylinder group of two rollers rotated and two groups of T-shaped connections,The both ends of one free roller connect one group of hydraulic cylinder respectively,This servicing unit coordinates single shaft anti-force type braking forces measuring platform not only to detect the brake force of AWD vehicle to nor affect on common two detections for driving brake force.
Description
Technical field
The present invention relates to a kind of servicing unit of the desk-top detection device of automobile braking force, is specially that one kind is applied to full-time four
The servicing unit of the desk-top detection of brake force of driving.
Background technology
At present, the detection of automobile braking force generally uses single shaft anti-force type braking forces measuring platform, and the experimental bench can only be to list
Shaft-driven vehicle braking performances are detected.AWD car is due to its unique power drive system, if detection wheel
When driving rotation by the roller of single shaft anti-force type braking forces measuring platform, non-detection wheel can also rotate together, so can not be existing
The detection of braking ability is carried out on some detection devices, relies only on the road test of poor efficiency, AWD car guarantor can not be adapted to
The increasing detection demand of the amount of having.
The content of the invention
The purpose of the present invention is that the brake force of AWD car can not be carried out for the desk-top detection device of current brake force
Detection, there is provided a kind of servicing unit suitable for the desk-top detection of AWD car brake force, the servicing unit coordinate original list
Axle anti-force type braking forces measuring platform, the brake force that can not only detect AWD vehicle nor affect on common two and driven brake force
Detection.
A kind of servicing unit suitable for the desk-top detection of AWD car brake force of the present invention, including for simulated roadway
Free drum apparatus and for vehicle provide restraining force constraint drum apparatus, it is described constraint drum apparatus be arranged on single shaft
The rear of anti-force type braking forces measuring platform, free drum apparatus are respectively installed in single shaft anti-force type braking forces measuring platform front and back
Two, the free drum apparatus includes free roller group and lowering or hoisting gear, and the lowering or hoisting gear rises to prevent automobile from moving,
The lowering or hoisting gear declines then automobile tire and contacted with the free roller group,
Hydraulic cylinder group of the constraint drum apparatus including two rollers rotated and two groups of T-shaped connections, one
The both ends of free roller connect one group of hydraulic cylinder respectively.
Wherein, the hydraulic cylinder includes torque cylinder and stroke cylinder, the torque cylinder by pin type force snesor with it is described
Stroke cylinder is connected, and the torque cylinder is connected with stroke cylinder into " T " font.
Wherein, the torque cylinder includes preceding earrings, and the roller is set to hollow horizontal constraint roller, and the hollow horizontal is about
The both ends of beam roller are arranged on the preceding earrings of torque cylinder by deep groove ball bearing and roller mandrel.
Wherein, the ring and by the preceding earrings phase of pin type force snesor and stroke cylinder of picking up the ears is provided with the torque cylinder
Even.
Wherein, stroke cylinder and torque cylinder are all connected to hydraulic station through flow divider-combiner.
Wherein, every group of hydraulic cylinder all one of which sides are provided with linear displacement transducer, and the straight-line displacement passes
The displacement signal of sensor is transmitted to control system.
Wherein, the lowering or hoisting gear includes stroller top wheel apparatus, crane and high pressure cylinder, and the crane is provided with baffle plate
Group, the baffle plate of the baffle group on the roller and crane of the free roller group are staggered, and are pushed away described in the high pressure cylinder driving
Roof wheel apparatus promotes crane raising and lowering, and the height of the free roller group is constant when crane rises or falls.
Wherein, the front and rear end of stroller top wheel apparatus is mounted on two groups of double top wheels dresses connected by top wheel bearing
Put, each group of Double Tops wheel apparatus includes top wheel and two interior fixed wheels outside two, an outer top wheel and an interior top
Wheel is separated by center every wheel.
Wherein, the crane bottom is provided with four wedges, four wedges respectively with stroller top wheel apparatus
Four outside top wheel contact one by one.
Wherein, the free drum apparatus also includes outer framework, and four guide rails, institute are provided with the bottom plate of the outer framework
Top wheel in four of stroller top wheel apparatus is stated to contact one by one with four guide rails respectively.
Beneficial effects of the present invention：
(1) present invention's is a kind of anti-suitable for the servicing unit of the desk-top detection of AWD car brake force and original single shaft
Power formula braking forces measuring platform is used cooperatively, and when detecting 4-wheel driven car, lowering or hoisting gear, which declines, makes automobile tire be contacted with free roller group,
The brake force test driven to two and the free switching tested the brake force of 4-wheel driven car can be achieved so that be this servicing unit and
Single shaft anti-force type braking forces measuring platform originally is used cooperatively, can not only detect AWD vehicle brake force nor affect on it is general
Logical two detections for driving brake force so that the function of anti-force rolling brake testing platform is more perfect.
(2) a kind of servicing unit suitable for the desk-top detection of AWD car brake force of the invention, passes through lowering or hoisting gear
Rise to prevent automobile from moving, lowering or hoisting gear declines then automobile tire and contacted with free roller group, to realize the system driven to two
Dynamic test and the free switching tested the brake force of 4-wheel driven car, compared with prior art is using free roller locking automobile,
The free diameter of cylinder of prior art is larger, and the space between two free rollers is big, can not ensure the different vehicle of wheelbase
For non-detection wheel axis height as in flat road surface, lowering or hoisting gear of the invention can ensure the non-inspection of the different vehicle of wheelbase
Measuring car wheel axis height preferably simulated roadway environment can detect as in flat road surface to the brake force of automobile.
(3) a kind of servicing unit suitable for the desk-top detection of AWD car brake force of the invention, it constrains roller dress
The hydraulic cylinder group including two rollers rotated and two groups of T-shaped connections is put, the both ends of a free roller connect respectively
One group of hydraulic cylinder, " T " font connection hydraulic cylinder when it is small with horizontal direction angle, the lower vehicle in chassis can be detected.
Brief description of the drawings
Invention is described further using accompanying drawing, but the embodiment in accompanying drawing does not form any limitation of the invention,
For one of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to the following drawings
Its accompanying drawing.
Fig. 1 is structural representation of the servicing unit with desk-top braking forces measuring equipment of the present invention.
Fig. 2 is the structural representation that the constraint drum apparatus of the servicing unit of the present invention and wheel coordinate.
Fig. 3 is the structural representation of the free drum apparatus of the servicing unit of the present invention.
Fig. 4 is the structural representation of the constraint drum apparatus of the servicing unit of the present invention.
Fig. 5 is the structural representation of the crane of the servicing unit of the present invention.
Fig. 6 is the structural representation of the stroller top wheel apparatus of the servicing unit of the present invention.
Fig. 7 is the structural representation of the outer framework of the free drum apparatus of the servicing unit of the present invention.
Fig. 8 is the diagrammatic cross-section of the free drum apparatus of the servicing unit of the present invention.
Include in figure：
Constrain drum apparatus 1, hollow horizontal constraint roller 11, torque cylinder 12, pin type force snesor 13, straight-line displacement biography
Sensor 14, stroke cylinder 15, roller mandrel 16, firm banking 17, expansion bolt 18,
Free drum apparatus 2, outer framework 21, guide rail 211, free roller group 22, crane 23, stroller top wheel apparatus 24,
Framework 241, top wheel bearing 242, it is outer top wheel 243, middle spaced wheel 244, it is interior top wheel 245, high pressure cylinder 25,
Baffle plate 31, bottom plate 32, wedge 33,
Constrain roller accepting groove 4, wheel 5, ground 7.
Embodiment
Referring to figs. 1 to Fig. 8, the present invention is achieved through the following technical solutions：
A kind of servicing unit suitable for the desk-top detection of AWD car brake force, in single shaft anti-force type braking forces measuring platform
On the basis of, increase a movable horizontal constraint drum apparatus 1 and lowering or hoisting gear.Under control of the control system, this is about
The position adjustments of beam drum apparatus are by hydraulic system and the collective effect of sensor Lai real.
As shown in figure 1, servicing unit Constrained drum apparatus 1 and free drum apparatus 2 form, constraint drum apparatus 1 is pacified
The rear of wheel 5 in the rear of single shaft anti-force type braking forces measuring platform, i.e. Fig. 1, free drum apparatus 2 is in single shaft anti-force type
The respectively installation two of braking forces measuring platform front and back, the i.e. front and back of wheel 5 in Fig. 1.
Hydraulic cylinder group of the constraint drum apparatus 1 including two rollers rotated and two groups of T-shaped connections, one
The both ends of free roller connect one group of hydraulic cylinder respectively, and the roller is set to hollow horizontal constraint roller 11.As shown in figure 4, institute
Stating hydraulic cylinder includes torque cylinder 12 and stroke cylinder 15, and the torque cylinder 12 passes through pin type force snesor 13 and the stroke cylinder 15
It is connected, the torque cylinder 12 is connected with stroke cylinder 15 into " T " font.
As shown in figure 4, the torque cylinder 12 includes preceding earrings, the both ends of the hollow horizontal constraint roller 11 pass through depth
Ditch ball bearing and roller mandrel 16 are arranged on the preceding earrings of torque cylinder 12.
Ring of picking up the ears is provided with the torque cylinder 12, torque cylinder 12 passes through pin type force snesor 13 and the phase of stroke cylinder 15
Even, torque cylinder 12 is connected with stroke cylinder 15 into " T " font, and torque cylinder 12 is connected by bearing pin with fixed seat 17, and stroke cylinder 15 is logical
Cross another pivot pin with firm banking 17 to be connected, firm banking 17 is fixed on ground by expansion bolt 18.Such as Fig. 2, making
Dynamic monitor station rear end sets Constrained roller accepting groove 4, and when constraint drum apparatus 1 does not work, constraint drum apparatus 1 is placed on about
Beam roller accepting groove 4, does not interfere with passing through for vehicle.
As shown in figure 5, it is the structural representation of the crane 23 (see Fig. 3, Fig. 8) in free drum apparatus 2, in bottom plate 32
Several baffle plates 31 of upper spaced set are simultaneously welded with wedge 33 on longitudinal steel plate of both sides, whole crane 23 weld and
Into.
Such as Fig. 8, the lowering or hoisting gear includes stroller top wheel apparatus 24, crane 23 and high pressure cylinder 25, the crane 23
Baffle group is provided with, the roller and the baffle plate 31 of the baffle group on crane 23 of the free roller group 22 are staggered, described
High pressure cylinder 25 drives stroller top wheel apparatus to promote the raising and lowering of crane 23, and the height of the free roller group 22 is not
Become.
Fig. 6 is that the structural diagrams of stroller top wheel apparatus 24 are intended to, and top wheel shaft 242 is welded with the front and back end of framework 241,
Both sides are mounted on the Double Tops wheel construction that one group of deep groove ball bearing is formed, and the Double Tops structure takes turns 243, interior top wheel 245 by outer top
Formed with middle spaced wheel 244, the effect of middle spaced wheel 244 is to prevent interior top wheel 245 with outer top wheel 243 because direction of rotation is opposite
And movement interference occurs.
Fig. 7 is the structural representation of the outer framework 21 of free drum apparatus 2, and guide rail 211, interior top wheel are provided with its bottom plate
245 contact with guide rail 211, and outer top wheel 243 contacts with the wedge 33 of the bottom of crane 23.245 are taken turns along guide rail 211 in interior top
Motion, outer top wheel 243 move along wedge 33.
Fig. 8 is the structural representation of free drum apparatus 2, and free roller group 22 is arranged on outer framework 21, more freedom
Polylith baffle plate 31 on roller and crane 23 is staggered installation of, and crane 23 is connected to high pressure cylinder 25, stroller top wheel by bearing pin
Device 24 is connected to high pressure cylinder 25 by bearing pin, when high pressure cylinder 25 elongates or shortens, will promote the water of stroller top wheel apparatus 24
Translation is dynamic, and the outer top wheel 243 of stroller top wheel apparatus 24 moves along the inclined-plane of the wedge 33 of the bottom of crane 23, so that
Crane 23 moves up and down.When crane 23 rises to extreme higher position, the upper surface of the baffle plate 31 of crane 23 is most high at last
In free roller group 22, non-detection wheel will depart from free roller group 22, and baffle plate 31 contacts with non-detection wheel, now examines
Common two brake force driven are surveyed, free drum apparatus can provide adhesive force.Conversely, when high pressure cylinder 25 be reduced to most in short-term, lifting
Frame 23 drops to minimum point, and non-detection wheel contacts with free roller group 22, now detects the brake force of AWD car, non-inspection
Measuring car wheel can rotate together with detection wheel.Detection two, which is driven, first to be judged to the drive form for the vehicle to be detected before detection
Che Shi, control high pressure cylinder 25 are elongated to maximum length, and detection 4-wheel driven car control high pressure cylinder 25 is reduced to most short.
The constraint drum apparatus 1 and crane 23 motion is realized by the control of electronic control system.Straight line
The displacement signal of hydraulic cylinder and force signal are input to by displacement transducer (not shown) and pin type force snesor 13 respectively
In controller, control is arranged in advance when the signal magnitude detected by the displacement of hydraulic cylinder and pin type force snesor 13 reaches
In device processed during setting value, the hollow horizontal constraint roller 11 of constraint drum apparatus 1 in place and lock it is motionless, until braking forces measuring
Process terminates, and detection process, which terminates rear hollow horizontal constraint roller 11, can return in constraint roller accepting groove 4.
The operation principle of the present invention is as follows：
Before the brake force of detection vehicle, testing staff first judges that the vehicle to be detected is that AWD car or two drive
Car, if two drive then to extend to most long status by the high pressure cylinder 25 in the free drum apparatus 2 of controller, if
It is detection AWD car, then the high pressure cylinder 25 in free drum apparatus 2 is foreshortened to by most short status by controlling switch.
If the vehicle to be detected is AWD car, by the elongation and one group of pin of four stroke cylinders 15 before detection
Force signal sum input controller detected by shaft type force snesor 13 (two one group), the force signal are believed as opened loop control
Number, during torque cylinder 12 extends (i.e. towards left for elongation in Fig. 2), is reached between hollow horizontal constraint roller 11 and wheel 5
During to certain pretightning force, torque cylinder 12 stops elongation.When wheel 5 in place after press starting switch, the elongation of four stroke cylinders 15
After amount first reaches the value of setting, then four torque cylinders 12 extend, until the force signal sum of one group of pin type force snesor 13
Stop elongation when reaching setting value.After hollow horizontal constrains roller 11 in place, magnetic valve starts middle position pressure holding function, stroke cylinder
15 and the length of torque cylinder 12 be locked, roller starts to rotate in subsequent free drum apparatus 2, and detection process starts.Detect
Cheng Hou, presses the key return switch on controller, and torque cylinder 12 and stroke cylinder 15 are successively retracted initial length, and hollow horizontal is about
Beam roller 11 is returned in the constraint roller accepting groove 4 of ground 7, after trailing wheel in place after, repetition press starting switch.
Hollow horizontal constraint roller 11 is in place and the control of return has three kinds of control models：
Pattern one is completely manual control model, and every group of hydraulic cylinder by a button control elongation and can all shorten.
Pattern two is the elongation input controller by stroke cylinder 15 and torque cylinder 12, starting switch is then pressed, with elder generation
The order that torque cylinder 12 extends after stroke cylinder 15 extends moves into place hollow horizontal constraint roller 11, by next after the completion of detection
Key return switchs, then is moved to hollow horizontal constraint roller 11 just with the order that stroke cylinder 15 after the shortening of first torque cylinder 12 shortens
Beginning position, the pattern only controls the displacement of hydraulic cylinder.
Pattern three is that the force signal sum of the elongation of stroke cylinder 15 and one group of pin type force snesor 13 first is inputted into control
Device processed, presses starting switch, and stroke cylinder 15 is first elongated to the length up to setting, then torque cylinder 12 extend until hollow horizontal about
Beam roller 11 reaches certain value with the contact pretightning force of wheel 5 just to be stopped extending, and the big I of the value is by being set in one group of pin
The force signal sum of axial force sensor 13 carrys out indirect control its size, and the pattern can control displacement and power.Due to pattern two and mould
Formula three is opened loop control, and the left and right hollow horizontal constraint unbalanced error of pretightning force size of roller 11 can pass through the manual of pattern one
Control model is adjusted.
Relative to prior art, the invention has the advantages that：
(1) change of the upright position in free drum apparatus 2 is realized by lowering or hoisting gear so that this servicing unit and original
The single shaft anti-force type braking forces measuring platform come is used cooperatively, and can not only be detected the brake force of AWD vehicle while not influenceed general
Logical two detections for driving brake force so that the function of anti-force rolling brake testing platform is more perfect.
(2) a kind of servicing unit suitable for the desk-top detection of AWD car brake force of the present embodiment, filled by lifting
Rising is put to prevent automobile from moving, lowering or hoisting gear declines then automobile tire and contacted with free roller group, to realize what is driven to two
The free switching that brake force is tested and tested the brake force of 4-wheel driven car, with prior art using free roller locking automobile phase
Than the free diameter of cylinder of prior art is larger, and the space between two free rollers is big, can not ensure the different vehicle of wheelbase
Non-detection wheel axis height as in flat road surface, the spacing of the crane of the present embodiment is small, it is ensured that wheelbase is different
Vehicle non-detection wheel axis height as in flat road surface, can preferably brake force of the simulated roadway environment to automobile
Detected.
(3) torque cylinder 12 connects with stroke cylinder 15 into " T " font in this servicing unit, when torque cylinder 12 moves and level side
It is small to angle, the lower vehicle in chassis can be detected.
(4) stroke cylinder and torque cylinder are all connected to hydraulic station through flow divider-combiner, are realized and are synchronized with the movement using flow divider-combiner,
Cost-effective and simplified control system.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (10)
- A kind of 1. servicing unit suitable for the desk-top detection of AWD car brake force, it is characterised in that：Including for simulation road The free drum apparatus in face and the constraint drum apparatus for providing restraining force to vehicle, the constraint drum apparatus are arranged on single The rear of axle anti-force type braking forces measuring platform, free drum apparatus are respectively pacified in single shaft anti-force type braking forces measuring platform front and back Two are filled, the free drum apparatus includes free roller group and lowering or hoisting gear, and the lowering or hoisting gear rises to prevent automobile sliding Dynamic, the lowering or hoisting gear declines then automobile tire and contacted with the free roller group, and the constraint drum apparatus includes two rotations The roller and the hydraulic cylinder group of two groups of T-shaped connections turned, the both ends of a free roller connect one group of hydraulic cylinder respectively.
- 2. a kind of servicing unit suitable for the desk-top detection of AWD car brake force according to claim 1, its feature It is：The hydraulic cylinder includes torque cylinder and stroke cylinder, and the torque cylinder passes through pin type force snesor and the stroke cylinder phase Even, the torque cylinder is connected with stroke cylinder into " T " font.
- 3. a kind of servicing unit suitable for the desk-top detection of AWD car brake force according to claim 2, its feature It is：The torque cylinder includes preceding earrings, and the roller is set to hollow horizontal constraint roller, the hollow horizontal constraint roller Both ends are arranged on the preceding earrings of torque cylinder by deep groove ball bearing and roller mandrel.
- 4. a kind of servicing unit suitable for the desk-top detection of AWD car brake force according to Claims 2 or 3, it is special Sign is：It is provided with the torque cylinder and picks up the ears ring and by pin type force snesor with the preceding earrings of stroke cylinder to be connected.
- 5. a kind of servicing unit suitable for the desk-top detection of AWD car brake force according to claim 2, its feature It is：Stroke cylinder and torque cylinder are all connected to hydraulic station through flow divider-combiner.
- 6. a kind of servicing unit suitable for the desk-top detection of AWD car brake force according to claim 5, its feature It is：Every group of hydraulic cylinder all one of which sides are provided with linear displacement transducer, the position of the linear displacement transducer Shifting signal is transmitted to control system.
- 7. a kind of servicing unit suitable for the desk-top detection of AWD car brake force according to claim 1, its feature It is：The lowering or hoisting gear includes stroller top wheel apparatus, crane and high pressure cylinder, and the crane is provided with baffle group, described The baffle plate of baffle group on the roller and crane of free roller group is staggered, and the high pressure cylinder drives the stroller top wheel dress Put and promote crane raising and lowering, the height of the free roller group is constant when crane rises or falls.
- 8. a kind of servicing unit suitable for the desk-top detection of AWD car brake force according to claim 7, its feature It is：The front and rear end of stroller top wheel apparatus is mounted on two groups of Double Tops wheel apparatus being made up of top wheel bearing, each Group Double Tops wheel apparatus includes top wheel and two interior fixed wheels outside two, during an outer top wheel and an interior top wheel pass through Centre separates every wheel.
- 9. a kind of servicing unit suitable for the desk-top detection of AWD car brake force according to claim 8, its feature It is：The crane bottom is provided with four wedges, and four wedges are outer with four of stroller top wheel apparatus respectively Top wheel contacts one by one.
- 10. a kind of servicing unit suitable for the desk-top detection of AWD car brake force according to claim 8, its feature It is：The free drum apparatus also includes outer framework, and four guide rails, the stroller top are provided with the bottom plate of the outer framework Top wheel contacts one by one with four guide rails respectively in four of wheel apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711058200.2A CN107782483A (en) | 2017-11-01 | 2017-11-01 | A kind of servicing unit suitable for the desk-top detection of AWD car brake force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711058200.2A CN107782483A (en) | 2017-11-01 | 2017-11-01 | A kind of servicing unit suitable for the desk-top detection of AWD car brake force |
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| Publication Number | Publication Date |
|---|---|
| CN107782483A true CN107782483A (en) | 2018-03-09 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711058200.2A Pending CN107782483A (en) | 2017-11-01 | 2017-11-01 | A kind of servicing unit suitable for the desk-top detection of AWD car brake force |
Country Status (1)
| Country | Link |
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| CN (1) | CN107782483A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113340607A (en) * | 2021-05-26 | 2021-09-03 | 南京交运汽车综合性能检测有限公司 | Flat plate counter-force type brake testing device for motor vehicle |
| CN113358267A (en) * | 2021-05-25 | 2021-09-07 | 湖南长沙汽车检测站有限公司 | Auxiliary device suitable for table-type detection of full-time four-wheel drive braking force |
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