CN106053101A - Lifting device used for automobile brake inspection - Google Patents
Lifting device used for automobile brake inspection Download PDFInfo
- Publication number
- CN106053101A CN106053101A CN201610654077.XA CN201610654077A CN106053101A CN 106053101 A CN106053101 A CN 106053101A CN 201610654077 A CN201610654077 A CN 201610654077A CN 106053101 A CN106053101 A CN 106053101A
- Authority
- CN
- China
- Prior art keywords
- air bag
- valve
- acoustic filter
- fast
- lifting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention discloses a lifting device used for an automobile brake inspection. The device comprises a bench body and two parallel rollers arranged on a bench body surface. A rectangular lifting plate is arranged between the two rollers. A long axis of the lifting plate is parallel to an axis of each roller. A lower portion of the lifting plate is connected to an air bag. The air bag is connected to a quick-release valve through a stainless steel tube. An internal diameter of the stainless steel tube is gradually reduced along a direction from the quick-release valve to the air bag. An inlet terminal of the quick-release valve is connected to an outlet terminal of a solenoid valve. An inlet terminal of the solenoid valve is connected to an outlet terminal of a silencer. An inlet terminal of the silencer is provided with a filtering pressure-reducing valve. The air bag, the quick-release valve, the solenoid valve, the silencer and the filtering pressure-reducing valve are arranged in the bench body. The invention aims at providing the lifting device used for the automobile brake inspection so as to reduce an impact on an inspection bench, wherein the impact is generated when automobile wheels enter into and leave the rollers of an automobile loading brake inspection bench. A purpose of reducing an inspection bench maintenance frequency is realized.
Description
Technical field
The present invention relates to automobile inspection bench field, concretely relate to a kind of lifting dress for automobile brake inspection
Put.
Background technology
Automobile brake perfrmance is important indicator and the essential items for inspection of vehicle operational safety technical conditions, is directly connected to road
Traffic safety.In the vehicle accident that automobile occurs, the proportion shared by accident caused due to the technical failure of braking system is
The biggest.Therefore, standard GB/T 7258-2004 " motor vehicles safe and technical specification ", GB18565-2001 " commercial vehicle
Combination property requires and the method for inspection ", GB/T16739.1-2004 " automobile maintenance industry entry conditions part 1: automobile is whole
Car maintenance company " etc. standard-required the braking ability of automobile is carried out forced examination.GB7258 predetermined brake service check can be used
Road examination or bench teat inspection.Bench teat inspection is widely used when actually detected automobile brake perfrmance.Vehicles Brake Test Bench is to vapour
The braking ability of car carries out the equipment detected, and the major parameter of detection includes: brake force, brake-force balance, Wheel resistance, system
The dynamic coordination time.Different according to test philosophy, Vehicles Brake Test Bench can be divided into anti-force type and inertia-type;Car is supported by check-out console
Wheel form is different, and Vehicles Brake Test Bench can be divided into drum-type and flat;Different by detection parameter, Vehicles Brake Test Bench can
It is divided into survey brake force formula, surveys braking distance and comprehensive parameters three kinds;Detect axletree number by check-out console, single axle, twin shaft can be divided into
Formula and multiaxial type three class.Drum-type Vehicles Brake Test Bench is by each pair cylinder of left and right, motor, decelerator, driving-chain, dynamometry
Sensor and the composition such as instruction, control device.During detection, automobile one axle wheel stops on cylinder that (wheel of remaining axletree props up
Support is on ground or stage body), motor-driven drum having motor car wheel rotates, and after reaching to detect speed, driver suddenly steps on braking and steps on
Plate brake wheel, motor continues to drive cylinder to rotate, applies a moment in opposite direction with braking moment to wheel, until
Wheel braking just stops operating, and when cylinder relative wheel slides, motor just stops operating.Now, force cell records
Force value is i.e. the wheel maximum braking force under this testing conditions.During the work of existing check-out console, wheel is stopped at former and later two
Between cylinder, owing to car mass is big, cylinder, when passing in and out between cylinder, can be impacted by wheel, and serious may be right
Assembly within cylinder and check-out console causes concussion so that connects and loosens or lost efficacy, needs often to overhaul, if things go on like this
The normal use of check-out console can be affected.
Summary of the invention
It is an object of the invention to provide a kind of lifting device for automobile brake inspection, to reduce wheel turnover automobile
The impact brought to check-out console when loading the cylinder of brake test bench, it is achieved reduce the purpose of check-out console frequency of maintenance.
The present invention is achieved through the following technical solutions:
A kind of lifting device for automobile brake inspection, including stage body and two parallel rollings being arranged on stage body surface
Cylinder, arranges rectangular raising board between two cylinders, the longer axis parallel of described raising board is in the axis of cylinder, and raising board bottom is even
Connecing air bag, described air bag is connected with fast-discharge valve by stainless steel tube, and described stainless steel tube is along the direction from fast-discharge valve to air bag
Internal diameter is gradually reduced;The entrance point of described fast-discharge valve connects with the port of export of electromagnetic valve, the entrance point of described electromagnetic valve and noise elimination
The port of export connection of device, the entrance point of described acoustic filter is provided with filtering pressure reducing valve;Described air bag, fast-discharge valve, electromagnetic valve, noise elimination
Device, filtering pressure reducing valve are arranged at inside stage body.
During the work of existing check-out console, being stopped by wheel between former and later two cylinders, owing to car mass is big, wheel exists
Time between turnover cylinder, can impact cylinder, serious may cause shake to the assembly within cylinder and check-out console
Swing so that connect and loosen or lost efficacy, need often to overhaul.For the problems referred to above, the present invention proposes a kind of for automobile system
The lifting device of dynamic inspection, arranges raising board between two cylinders on stage body, and raising board is rectangle so that it is longer axis parallel is in rolling
Cylinder axis, so that it is guaranteed that raising board can significantly occupy the space between two rollers.Meanwhile, gas is set in raising board bottom
Capsule, after airbag aeration, is driven raising board to be raised up on table top by airbag inflation, by the air bag impact to the automobile of turnover cylinder
Power buffers, and utilizes the elasticity capacity that air bag is good to reduce the percussion to stage body interior arrangement.Wherein, fast-discharge valve, electricity
Magnet valve, acoustic filter, filtering pressure reducing valve, stainless steel tube etc. are the feeder of air bag, and compressed air is passed through filtering pressure reducing valve,
Filtering pressure reducing valve is existing pneumatic control component, and when input pressure oscillation, pressure reducing valve membrane sheet is made adjustment automatically, makes pressure
Power exports smoothly, it is ensured that the compressed air pressure of output is stable.Enter in acoustic filter from the air of filtering pressure reducing valve output, by
Loud noise can be produced in compressed-air actuated quick flowing, staff and driver are brought serious sound pollution, because of
This present invention is arranging acoustic filter on the air supply channel of air bag, to reduce the compressed-air actuated Aerodynamic Noise of A of quickly flowing,
Utilize the noise sound wave of acoustic filter absorption part, reduce the sound pollution that staff and driver are brought.From acoustic filter
The air that the port of export flows out moves forward, and flows through electromagnetic valve, controls the whether unimpeded of steam line by electromagnetic valve.Electromagnetism
Valve rear portion arranges fast-discharge valve, and fast-discharge valve belongs to pneumatic control field existing one-way type direction control element, utilizes fast-discharge valve true
The air protecting entrance air bag has very fast flow velocity, it is ensured that be quickly inflated air bag.Air bag passes through stainless steel tube and fast-discharge valve
Connection, described stainless steel tube is gradually reduced along the direction internal diameter from fast-discharge valve to air bag, is i.e. the air flowed out from fast-discharge valve
Entering in the stainless steel tube that internal diameter is gradually reduced, owing to flow section reduces, air velocity can be accelerated, so that enter air bag
Air there is faster flow velocity, utilize the air of very fast flow velocity that inside air bag is impacted so that air bag quickly struts swollen
Swollen, to improve the lifting speed of raising board, it is achieved quickly raising board to be risen after ventilation.Thus by air bag and air bag
Raising board, the impact brought to check-out console when reducing the cylinder of wheel turnover automobile loading brake test bench, it is achieved reduce inspection
The purpose of platform frequency of maintenance.
Preferably, described acoustic filter is barrel-like structure, and acoustic filter inner homogeneous is distributed N block and is parallel to acoustic filter import and export
The perforated metal of line, wherein N is the positive integer more than or equal to 3.Utilize the perforated metal arranged in acoustic filter, formed
Microperforated panel noise elimination structure.Perforated metal at wider frequency band range internal diabetes degasification flow noise, and can have high temperature resistant, oil resistant
Performance dirty, corrosion resistant, even if in the gas flow with large quantity of moisture, nor affects on work.Meanwhile, perforated metal quantity is at least
3 pieces, to guarantee that the muffler inlet end of tubbiness, arrival end, middle part are at least respectively arranged with one block of perforated metal, to guarantee enough
Erasure effect.
Preferably, the thickness of described perforated metal is less than or equal to 1mm, and the piercing aperture on perforated metal is at 1 ~ 3mm
Between random distribution.Utilize thickness to be less than or equal to the metallic plate of 1mm, it is ensured that metallic plate under acoustic wave action effective resonance.
And for the compressed air of air compressor machine output, its noise produced is based on low frequency range noise, and aperture 1 ~ 3mm is random
Its natural frequency of perforated metal thin plate of distribution is also in the range of low-frequency range, it is possible to make resonant cavity many in the range of 1 ~ 3mm
Plant the resonance that all can realize subrange under low-frequency range acoustic wave action, thus strengthen resonant cavity frequency of noise elimination scope, in maximum journey
The noise of the different frequency produced in air filter work process is weakened on degree.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, a kind of lifting device for automobile brake inspection, arranges raising board between two cylinders, on stage body under raising board
Portion arranges air bag, after airbag aeration, airbag inflation drives raising board to be raised up on table top, by the air bag vapour to turnover cylinder
The impulsive force of car buffers, and utilizes the elasticity capacity that air bag is good to reduce the impact to stage body interior arrangement;
2, a kind of lifting device for automobile brake inspection, compressed air passes sequentially through filtering pressure reducing valve, acoustic filter, electromagnetism
Valve, fast-discharge valve enter in air bag, and output is stable to utilize filtering pressure reducing valve to guarantee, utilize acoustic filter reduce staff and drive
The sound pollution that the person of sailing brings, the air entering air bag has very fast flow velocity to utilize fast-discharge valve to guarantee;
3, a kind of lifting device for automobile brake inspection, air bag is connected with fast-discharge valve by stainless steel tube, stainless steel tube edge
The direction internal diameter from fast-discharge valve to air bag to be gradually reduced so that the air entering air bag has faster flow velocity.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes of the application
Point, it is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the external structure schematic diagram of the specific embodiment of the invention;
Fig. 2 is internal annexation schematic diagram in the specific embodiment of the invention;
Fig. 3 is the structural representation of acoustic filter in the specific embodiment of the invention.
Wherein: 1-stage body, 2-cylinder, 3-raising board, 4-air bag, 5-fast-discharge valve, 6-stainless steel tube, 7-electromagnetic valve, 8-disappears
Sound device, 9-filtering pressure reducing valve, 10-perforated metal.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, to this
Invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1:
A kind of lifting device for automobile brake inspection as shown in Figure 1 to Figure 3, including stage body 1 and be arranged on stage body 1
Two parallel cylinders 2 on surface, arrange rectangular raising board 3 between two cylinders 2, the longer axis parallel of described raising board 3 in
The axis of cylinder 2, raising board 3 bottom connects air bag 4, and described air bag 4 is connected with fast-discharge valve 5 by stainless steel tube 6, described stainless
Steel pipe 6 is gradually reduced along the direction internal diameter from fast-discharge valve 5 to air bag 4;The entrance point of described fast-discharge valve 5 goes out with electromagnetic valve 7
Mouth end connection, the entrance point of described electromagnetic valve 7 connects with the port of export of acoustic filter 8, and the entrance point of described acoustic filter 8 was provided with
Filter air relief valve 9;It is internal that described air bag 4, fast-discharge valve 5, electromagnetic valve 7, acoustic filter 8, filtering pressure reducing valve 9 are arranged at stage body 1;Described
Acoustic filter 8 is barrel-like structure, and acoustic filter 8 inner homogeneous is distributed N block and is parallel to acoustic filter 8 and imports and exports the perforated metal of line
10, wherein N is the positive integer more than or equal to 3;The thickness of described perforated metal 10 is less than or equal to 1mm, on perforated metal 10
Piercing aperture random distribution between 1 ~ 3mm.Use perforated metal 10 described in the present embodiment as silencing means, it is possible to
Effectively reduce the noise volume 30 of this device~40 decibels.The present embodiment arranges air bag 4 in raising board 3 bottom, inflates to air bag 4
After, air bag 4 expand drive raising board 3 and be raised up on table top, air bag 4 impulsive force of the automobile of turnover cylinder 2 is delayed
Punching, utilizes the elasticity capacity that air bag 4 is good to reduce the percussion to stage body 1 interior arrangement.During process, compressed air is passed through
Filtering pressure reducing valve 9, makes pressure export smoothly, it is ensured that the compressed air pressure of output is stable.Sky from filtering pressure reducing valve 9 output
Gas enters in acoustic filter 8, utilizes the noise sound wave of microperforated panel silencing apparatus absorption part, reduces staff and driving
The sound pollution that member brings.The air flowed out from acoustic filter 8 port of export moves forward, and flows through electromagnetic valve 7, passes through electromagnetic valve
7 control the whether unimpeded of steam line.Electromagnetic valve 7 rear portion arranges fast-discharge valve 5, utilizes fast-discharge valve 5 to guarantee to enter the air of air bag 4
There is very fast flow velocity, it is ensured that quickly air bag 4 is inflated.Stainless steel tube 6 is along the direction internal diameter from fast-discharge valve 5 to air bag 4
It is gradually reduced, is i.e. that the air flowed out from fast-discharge valve 5 enters in the stainless steel tube 6 that internal diameter is gradually reduced, owing to flow section subtracts
Little, air velocity can be accelerated, so that the air entering air bag 4 has faster flow velocity, utilizes the air pair of very fast flow velocity
Air bag 4 is internal to be impacted so that the quick dilating expansion of air bag 4, to improve the lifting speed of raising board 3, it is achieved fast after ventilation
Speed raising board 3 is risen.Thus by air bag 4 and the raising board 3 on air bag 4, reduce wheel turnover automobile and load braking inspection
The impact brought to check-out console when testing the cylinder 2 of platform, it is achieved reduce the purpose of check-out console frequency of maintenance.
Above-described detailed description of the invention, has been carried out the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be it should be understood that the detailed description of the invention that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should comprise
Within protection scope of the present invention.
Claims (3)
1. for a lifting device for automobile brake inspection, including stage body (1) and be arranged on two of stage body (1) surface
Parallel cylinder (2), it is characterised in that: rectangular raising board (3), the length of described raising board (3) are set between two cylinders (2)
Axle is parallel to the axis of cylinder (2), and raising board (3) bottom connects air bag (4), and described air bag (4) passes through stainless steel tube (6) with fast
Valve (5) connects, and described stainless steel tube (6) is gradually reduced along from fast-discharge valve (5) to the direction internal diameter of air bag (4);Described soon
The entrance point of valve (5) connects with the port of export of electromagnetic valve (7), the entrance point of described electromagnetic valve (7) and the outlet of acoustic filter (8)
End connection, the entrance point of described acoustic filter (8) is provided with filtering pressure reducing valve (9);Described air bag (4), fast-discharge valve (5), electromagnetic valve
(7), acoustic filter (8), filtering pressure reducing valve (9) are arranged at stage body (1) inside.
A kind of lifting device for automobile brake inspection the most according to claim 1, it is characterised in that: described acoustic filter
(8) being barrel-like structure, acoustic filter (8) inner homogeneous is distributed N block and is parallel to the perforated metal of acoustic filter (8) import and export line
(10), wherein N is the positive integer more than or equal to 3.
A kind of lifting device for automobile brake inspection the most according to claim 1, it is characterised in that: described perforation gold
Belong to the thickness of plate (10) less than or equal to 1mm, the piercing aperture random distribution between 1 ~ 3mm on perforated metal (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610654077.XA CN106053101A (en) | 2016-08-11 | 2016-08-11 | Lifting device used for automobile brake inspection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610654077.XA CN106053101A (en) | 2016-08-11 | 2016-08-11 | Lifting device used for automobile brake inspection |
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CN106053101A true CN106053101A (en) | 2016-10-26 |
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CN201610654077.XA Pending CN106053101A (en) | 2016-08-11 | 2016-08-11 | Lifting device used for automobile brake inspection |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106840698A (en) * | 2017-01-24 | 2017-06-13 | 吉林大学 | Axle load analog control device and method based on brake platform lift height and axletree loading force correlation model |
CN112909789A (en) * | 2019-12-03 | 2021-06-04 | 贵州电网有限责任公司 | Cabinet lifting device |
CN114572896A (en) * | 2019-04-10 | 2022-06-03 | 船井电机株式会社 | Lifting device and operation method thereof |
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SU875237A1 (en) * | 1980-02-29 | 1981-10-23 | Производственное Объединение "Мосавтотехобслуживание" | Stand for measuring traction parameters of wheeled vehicles |
CN201704026U (en) * | 2010-05-10 | 2011-01-12 | 成都新成汽车检测设备有限公司 | Brake lifting mechanism |
CN201837528U (en) * | 2010-09-26 | 2011-05-18 | 山东科大微机应用研究所有限公司 | Drum reaction brake test bench |
CN203132756U (en) * | 2013-03-26 | 2013-08-14 | 石家庄华燕交通科技有限公司 | Automobile brake rotary drum running-in and brake performance testing apparatus |
CN103308319A (en) * | 2012-03-14 | 2013-09-18 | 中国农业机械化科学研究院 | Simulation test loading equipment for aircraft tractor and method thereof |
CN204778605U (en) * | 2015-04-30 | 2015-11-18 | 河南万国科技股份有限公司 | Automobile inspection platform and lifting mechanism thereof |
CN205981711U (en) * | 2016-08-11 | 2017-02-22 | 成都弥荣科技发展有限公司 | Car loading brake test bench's pneumatics lifts structure |
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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SU853465A1 (en) * | 1979-09-20 | 1981-08-07 | Специализированное Проектно-Конструк-Topckoe Бюро Донецкого Областногоуправления Грузового Автотранспорта | Test-bed for testing vehicles |
SU875237A1 (en) * | 1980-02-29 | 1981-10-23 | Производственное Объединение "Мосавтотехобслуживание" | Stand for measuring traction parameters of wheeled vehicles |
CN201704026U (en) * | 2010-05-10 | 2011-01-12 | 成都新成汽车检测设备有限公司 | Brake lifting mechanism |
CN201837528U (en) * | 2010-09-26 | 2011-05-18 | 山东科大微机应用研究所有限公司 | Drum reaction brake test bench |
CN103308319A (en) * | 2012-03-14 | 2013-09-18 | 中国农业机械化科学研究院 | Simulation test loading equipment for aircraft tractor and method thereof |
CN203132756U (en) * | 2013-03-26 | 2013-08-14 | 石家庄华燕交通科技有限公司 | Automobile brake rotary drum running-in and brake performance testing apparatus |
CN204778605U (en) * | 2015-04-30 | 2015-11-18 | 河南万国科技股份有限公司 | Automobile inspection platform and lifting mechanism thereof |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106840698A (en) * | 2017-01-24 | 2017-06-13 | 吉林大学 | Axle load analog control device and method based on brake platform lift height and axletree loading force correlation model |
CN114572896A (en) * | 2019-04-10 | 2022-06-03 | 船井电机株式会社 | Lifting device and operation method thereof |
CN112909789A (en) * | 2019-12-03 | 2021-06-04 | 贵州电网有限责任公司 | Cabinet lifting device |
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Application publication date: 20161026 |
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