CN106053101A - Lifting device used for automobile brake inspection - Google Patents

Lifting device used for automobile brake inspection Download PDF

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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
Application number
CN201610654077.XA
Other languages
Chinese (zh)
Inventor
王建
周兵
李冬
曾勇
黄洪
董彪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHENGDU IYASAKA TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
CHENGDU IYASAKA TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHENGDU IYASAKA TECHNOLOGY DEVELOPMENT Co Ltd filed Critical CHENGDU IYASAKA TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN201610654077.XA priority Critical patent/CN106053101A/en
Publication of CN106053101A publication Critical patent/CN106053101A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/16Lifting 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

A kind of lifting device for automobile brake inspection
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).
CN201610654077.XA 2016-08-11 2016-08-11 Lifting device used for automobile brake inspection Pending CN106053101A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610654077.XA CN106053101A (en) 2016-08-11 2016-08-11 Lifting device used for automobile brake inspection

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Application Number Priority Date Filing Date Title
CN201610654077.XA CN106053101A (en) 2016-08-11 2016-08-11 Lifting device used for automobile brake inspection

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Cited By (3)

* Cited by examiner, † Cited by third party
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

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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