CN203163994U - Composite detection stand for performances of axle load, braking and speed - Google Patents
Composite detection stand for performances of axle load, braking and speed Download PDFInfo
- Publication number
- CN203163994U CN203163994U CN 201320080073 CN201320080073U CN203163994U CN 203163994 U CN203163994 U CN 203163994U CN 201320080073 CN201320080073 CN 201320080073 CN 201320080073 U CN201320080073 U CN 201320080073U CN 203163994 U CN203163994 U CN 203163994U
- Authority
- CN
- China
- Prior art keywords
- detection
- cylinder
- stand
- detection platform
- speed
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
- Regulating Braking Force (AREA)
Abstract
Disclosed in the utility model is a miniaturized and integrated composite detection stand for performances of an axle load, braking and a speed. The composite detection stand comprises a detection platform base rack, a left detection stand frame, a right detection stand frame, and two sets of detection systems; the left and right detection stand frames are connected with the detection platform base rack by pressure transducers respectively installed at the four corners; and the detection systems are installed at the detection stand frames. The detection systems include two sets of composite rollers, lifting mechanisms, force measuring devices, rotating speed measurement devices, and third rollers. According to the detection stand, a baking testing stand, a speedometer testing stand and two sets of rollers of an axle load meter are integrated into one; and a driving motor and a reducer are arranged in the rollers. Because of the integrated design, the structure of the detection stand is simplified; the space occupation is reduced; the cost is lowered; and the space requirement of other equipment installation can be ensured. Therefore, the detected vehicle can complete the whole detection tasks based on the national standard requirement.
Description
Technical field
The utility model relates to the equipment that vehicle safety performance detects, and in particular, relates to the equipment of axle weight, braking, speed of a motor vehicle compound detection.
Background technology
Along with the continual renovation of organizational equipment and improving constantly of mechanization degree, army's vehicle mounting number progressively increases, and guarantees at ordinary times and one of good important method of vehicle condition in wartime, realizes the regular detection of vehicle exactly.Detect if vehicle is not carried out security performance, check vehicles potential faults and eliminating in time just traffic hazard may occur.Army's vehicle has singularity, except will finishing daily life at ordinary times and logistics support, also undertake means of transport and the task of weapon platform in wartime, this just has higher requirement to the security performance of vehicle, therefore guarantees that vehicle has very high serviceability rate very important.
Be used for vehicle safety detection major equipment and facility fixed test line and two kinds of forms of mobile detection line (inspection vehicle) are arranged.Because the fixed test line is installed in the measuring station factory building, the distribution range of tested vehicle is comparatively suitable in 20 kilometers of factory building radiuses usually, as exceed this scope, be that economic benefit or social benefit bring negative effect all can for detected vehicle affiliated unit.Military vehicle distributes the singularity of relatively disperseing, the distance of shunting that most of vehicle detects to the fixed test station is far away, no matter from economy, security, or aspects such as confidentiality are considered all to be not suitable for, therefore the preferred plan of army's vehicle detection equipment is to be equipped with the automobile inspection vehicle, guarantees to finish the detection task of checking in vehicle year in the work.
The kind of automobile inspection vehicle product is more both at home and abroad at present, differs from one another.By the analysis-by-synthesis to domestic and international inspection vehicle, find listed various inspection vehicles in the market, all be not suitable for army's vehicle detection work, to develop the automobile inspection vehicle that a kind of suitable army uses, adaptability is strong, test item meets national standard very necessary for this reason.Its core is that main checkout equipment (brake tester, the heavy testing table of axle, speedometer tester) is carried out miniaturization, integrated design.
The utility model content
Technical problem to be solved in the utility model is, a kind of miniaturization, integrated axle weight, braking, speed of a motor vehicle compound detection platform are provided.
The utility model axle weight, braking, speed of a motor vehicle compound detection platform are made up of following three parts: detection platform foundation frame, left and right sides monitor station framework and two cover detection systems.
Left and right sides monitor station framework is connected with the detection platform foundation frame by the pressure transducer that is installed in four jiaos respectively, detection system is installed on the monitor station framework, and described detection system is made up of compound cylinder, lifting mechanism, device for measuring force, rotation-speed measuring device and the 3rd cylinder made of two covers;
The compound cylinder of making comprises the moving cylinder of front roll and back, built-in drive motor, reductor and the clutch coupling that connects successively of front roll, and clutch coupling connects front roll;
Lifting mechanism is by hydraulic control valve control fluid pressure drive device driving tray, and pallet is between front roll and back roll; Force measuring machine is made of the dynamometry lever that connects the power sensor, and described dynamometry lever is installed on front roll;
Tachometric survey mechanism is made up of the fluted disc and the speed probe that are installed on arbitrary cylinder one end;
The 3rd cylinder is between front roll and pallet, and at the 3rd cylinder axle head equipped with non-contact speed probe, the 3rd drum shaft is installed on the swing arm upper end that is provided with axis of swing, and the swing arm lower end is connected and fixed on the spring of detection platform foundation frame;
Detection platform foundation frame bottom is the rubber antiskid pad fixedly.
The utlity model has following beneficial effect:
1. collection is braked, axle is heavy and the compound detection platform of speedometer " trinity "
The utility model testing table is integrated into a cover with two cover cylinders of brake tester, speedometer tester and axle load meter, drive motor, speed reduction unit place in the cylinder, this integrated design, simplify the structure, reduced space hold, reduced cost, and guaranteed the space requirement that miscellaneous equipment is installed, made inspection vehicle can finish whole detection tasks that GB requires.
2. install the 3rd cylinder additional.
Install the 3rd cylinder additional between cylinder is detected in front and back, the corresponding electric signal that the brake tester control device is sent according to the 3rd drum rotation speed sensor stops operating the brake tester drive motor in good time, in time detects data, prevents the cylinder tested doughnut that frays.
3. install anti-skidding blob of viscose and anti-skidding blob of viscose stationary installation additional in the platform bottom, the sidesway of platform when detecting to overcome.
The utility model can be reserved the power takeoff interface at variator and install power takeoff additional, driven the shaft belt type generator that is installed on the automobile chassis by transmission shaft, pass through power distribution control system, for checkout equipment provides work required power supply, direct built-in driving, dispense with outer connecting power has increased the mobility of equipment.
The utility model has been realized detection platform weight saving, and podium level reduces.This compound detection platform is assemblied on the automotive safety environmental protection tests car, it is the major equipment that vehicle safety performance detects in army's vehicle management work, can finish the compound detection work of truck wheel weight, braking, three projects of the speed of a motor vehicle, the design of its built-in driving, make monitor station need not to order about and to organize work voluntarily by external force, be convenient to be placed in and motor-drivenly on the mobile inspection vehicle to any temporary detecting point vehicle implemented coherent detection work.
Three testing tables such as existing brake tester, the heavy testing table of axle, speedometer tester are combined into one, transform driving and the measuring mechanism of conventional brake testing table, designed a cover composite roller mechanism for this reason, driving mechanism is placed cylinder inside, so both reduce height, alleviated weight again.Braking detects with the speedometer detection and shares four cylinders, and has designed a cover clutch, and is separate to guarantee that braking detection and speedometer detect.Simultaneously, at tetrapod and the detection platform base plate connecting place of this testing table, each installs a pressure transducer, realizes vehicle axle load measurement.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
The utility model is miniaturization, integrated checkout equipment and is easy to launch and the detection platform of removing receipts that closed assembly is in detecting shelter, and shelter is by the vehicle-mounted fortune of carrier.Detection platform is servo by driving mechanism, passes in and out shelter automatically and launches closed assembly; Detect shelter by from the lifting of lifting mechanism, realize the loading and unloading of shelter.Shelter separates with the carrier car and is down to ground during detection, and detection platform is stretched out in the shelter and launched by detecting, and forms detection line, and this moment, shelter was as detection pulpit and rest room.Detection finishes, and removes receipts by launching reverse order.
The utility model compound detection platform is made up of detection platform foundation frame, left and right sides monitor station framework and two cover detection systems; Left and right sides monitor station framework is connected with the detection platform foundation frame by the pressure transducer that is installed in four jiaos respectively, detection system is installed on the monitor station framework, as shown in Figure 1, described detection system is made up of compound cylinder (left and right two covers), lifting mechanism, device for measuring force, rotation-speed measuring device and the 3rd cylinder made of two covers; The pallet 1 of lifting mechanism, the 3rd cylinder 7, two cover is compound makes cylinder by right front roll assembly 2, right back roll assembly 3, drive motor 4, fixedly gear wheel 5, expansion tightening wheel assembly 6, flywheel assembly 8, brake assemblies 9, left front roll assembly 10, left back roll assembly 11 and intermediate shaft coupling 12 are formed.
Below the utility model is described further:
One, collection is braked, axle is heavy and the compound detection platform of speedometer " trinity "
Whole monitor station is connected with the detection platform foundation frame by four pressure transducers that are installed in four jiaos of monitor stations, to realize the measurement of vehicle weight; Testing table mainly is made up of structure left and right sides two parts the same, separate with function, and each part is made up of compound cylinder, a cover lifting mechanism, device for measuring force, the rotation-speed measuring device etc. made of two covers.
The compound interior centrally-mounted driving of cylinder, reductor, the clutch coupling made.When detecting the automobile braking force performance, the effect of mainly bear the support drive wheel, transmitting damping force; Clutch coupling combination this moment, drive unit drives bottom roll and rotates, and drives the wheel rotation; Simultaneously, during wheel braking, damping force is delivered to force measuring machine.When detecting speedometer, clutch separation, cylinder is mainly born the effect of support wheel.
The lifting machine mainly is made up of fluid pressure drive device, pallet, hydraulic control valve etc.Before vehicle sails test into, under the driving of drive unit, lift pallet, make things convenient for vehicle to enter.During detection, the hydraulic control valve unloading, pallet is down to minimum.Detection finishes, and before vehicle rolls away from, lifts pallet again under the driving of drive unit, makes things convenient for vehicle to roll away from.
Force measuring machine is made up of dynamometry lever, power sensor etc., and when detecting wheel braking force, drive motor drives bottom roll and rotates, and drives the wheel rotation; When the driver depresses brake pedal, during wheel braking, damping force will be delivered to the dynamometry lever by cylinder, and the dynamometry lever passes to sensor after this power is amplified, and sensor is transformed into electric signal with power again.
Tachometric survey mechanism is made up of the fluted disc and the speed probe that are installed on a certain cylinder one end, and when speedometer detected, wheel drove cylinder and rotates, and fluted disc also rotates thereupon, and the number of teeth that speed probe just turns over fluted disc in the unit interval is transformed into pulse signal.
Owing to designed braking, heavy, the speedometer compound detection platform of axle, greatly reduce weight and the height of testing table, following table is the comparison of plane bench and composite testing platform, and the ratio in the table is compound a certain parameter size and the ratio of three kinds of separate unit testing equipment relevant parameters size sum totals.As seen, compound highly only is 0.14 of three kinds of separate unit testing equipment height sum totals, and weight only is 0.31 of three kinds of separate unit testing equipment weight sum totals.
The comparison of table plane bench and composite testing platform
For concrete each parts that further specify this compound detection platform are formed,, braking heavy from axle and the speed of a motor vehicle three aspects are done with detailed introduction respectively below.
(1) axle is heavy
⒈ main application and the scope of application
Axle is resurveyed and is tried to be divided into left and right sides plate.Be used for measuring respectively each weight of motor vehicle.Just can draw motor vehicle axle load and complete vehicle quality by calculating the heavy sum of each wheel shaft; Usually on detection line, vertical load is provided, is convenient to calculate the brake efficiency of each and car load for the braking test board.Supported by four pressure transducers under each table top, high-precision sensor and high-precision A/D conversion chip improves the measurement accuracy rate greatly.
The ⒉ important technological parameters
3. primary structure mechanical part
Formed by monitor station framework and four cylinders.The pressure transducer that it is 1500kg that the monitor station framework is equipped with four testing ranges respectively for four jiaos.
4. test philosophy
When the motor vehicle measured axis left Platform balance for shaft weight, the sensor in the Platform balance for shaft weight just produced a voltage signal that heavily is directly proportional with axle, passes to Computer Processing after amplifying.
(2) braking
⒈ main application and the scope of application
The braking part of detecting of composite detecting platform is drum reaction type.This monitor station can be to the wheel maximum braking force of all kinds motor vehicle, drag, cross item such as path difference tests.
The ⒉ important technological parameters
| Project | Parameter value |
| Maximum design axle load | 6000 Kg |
| The damping force measurement range | 0～30000 N |
| Measuring accuracy | ±3% |
| Diameter of cylinder | 170 mm |
| Drum length | 1000 mm |
| Centre of the drum's distance | 420 mm |
| Drum rotation speed | 6 r/min |
| Type of drive | Electricity drives |
| Voltage | 380 V |
| Power | 6 Kw |
The ⒊ primary structure
Fixedly anti-force type braking test board overlaps the compound mechanisms such as cylinder, force measuring machine, lifting of making by two and forms.
The ⒋ test philosophy
See that the prompting of lamp screen is examined front wheels of motor-vehicles and reached brake platform, after putting in place, the motorized motions cylinder rotates, and the cylinder drive is examined wheel and rotated.When motor vehicle is braked, this moment wheel to cylinder apply one identical with the damping force size, with cylinder direction opposite effect power, this acting force is the braking counter-force.This power acts on the force cell by sway brace, makes sensor produce a voltage signal that is directly proportional with damping force, passes to computing machine, thereby constitutes a complete damping force testing process.
(3) speed of a motor vehicle
1. main application and the scope of application
Rotated by self head roll when automobile detects and detect, can be used to detect the accuracy of the following autometasomatism of 6T.
2. important technological parameters
| Project | Parameter value |
| Maximum design axle load | 6000 Kg |
| Test specification | 0～60 Km/h |
| Accuracy of detection | ±1 % |
| Cylinder operation pressure | 0.8 MPa |
| Diameter of cylinder | 170 mm |
| Drum length | 1000 mm |
| Centre of the drum's distance | 420 mm |
3. primary structure
Its structure by two covers compoundly make cylinder, rotation-speed measuring device is formed.The step-by-step counting mode that speed probe adopts tests the speed, and improves rate accuracy greatly; Cylinder detects through strict transient equilibrium, allows to run up.Rotated by self head roll when automobile detects and carry out.
4. test philosophy
The driving wheel of tested automobile is sailed between two cylinders, wheel drives cylinder slowly, accelerate evenly, when autometasomatism reaches 40km/h, presses sampling switch, be installed in sensor between cylinder and the support and convert the velocity amplitude of wheel reality to electric signal and pass to computing machine, handle.
Two, install the 3rd cylinder additional.
In the middle of the moving cylinder, diameter was less before and after the 3rd cylinder was installed in, but both rotations can swing up and down again, make it remain on the extreme higher position by spring at ordinary times.At the 3rd cylinder axle head, be provided with non-contact type tachometric sensor.When tested wheel places on the cylinder of front and back, depress the 3rd cylinder, and keep contacting reliably with wheel.In braking procedure, cylinder drives wheel and rotates, and the 3rd cylinder also rotates with wheel, and the speed probe of its axle head sends tach signal and gives computing machine, calculates slip rate between wheel and the cylinder.When slip rate reached certain value, computing machine sent instruction, measured damping force, the stall of control motor.When detecting the speed of a motor vehicle, the 3rd cylinder separates automatically with wheel.
Three, install anti-skidding blob of viscose and anti-skidding blob of viscose stationary installation additional in detection platform foundation frame bottom, the sidesway of platform when detecting to overcome.
The rubber antiskid pad is adhesively fixed in detection platform foundation frame bottom.During detection, the rubber antiskid pad reliably contacts with ground, and enough adhesion is provided, and prevents that platform from sliding.
The slipmat material is selected code name 1613 General Purpose Rubber plates for use, and this offset plate has medium hardness, and elasticity, wearing quality and oil resistance are preferably arranged, and it is higher to be suitable for pressure, operating temperature range-35 ℃～+ 60 ℃.
Claims (1)
1. an axle weight, braking, speed of a motor vehicle compound detection platform is characterized in that, described compound detection platform is made up of detection platform foundation frame, left and right sides monitor station framework and two cover detection systems; Left and right sides monitor station framework is connected with the detection platform foundation frame by the pressure transducer that is installed in four jiaos respectively, detection system is installed on the monitor station framework, and described detection system is made up of compound cylinder, lifting mechanism, device for measuring force, rotation-speed measuring device and the 3rd cylinder made of two covers;
The compound cylinder of making comprises the moving cylinder of front roll and back, built-in drive motor, reductor and the clutch coupling that connects successively of front roll, and clutch coupling connects front roll;
Lifting mechanism is by hydraulic control valve control fluid pressure drive device driving tray, and pallet is between front roll and back roll; Force measuring machine is made of the dynamometry lever that connects the power sensor, and described dynamometry lever is installed on front roll;
Tachometric survey mechanism is made up of the fluted disc and the speed probe that are installed on arbitrary cylinder one end;
The 3rd cylinder is between front roll and pallet, and at the 3rd cylinder axle head equipped with non-contact speed probe, the 3rd drum shaft is installed on the swing arm upper end that is provided with axis of swing, and the swing arm lower end is connected and fixed on the spring of detection platform foundation frame;
Detection platform foundation frame bottom is the rubber antiskid pad fixedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320080073 CN203163994U (en) | 2013-02-21 | 2013-02-21 | Composite detection stand for performances of axle load, braking and speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320080073 CN203163994U (en) | 2013-02-21 | 2013-02-21 | Composite detection stand for performances of axle load, braking and speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203163994U true CN203163994U (en) | 2013-08-28 |
Family
ID=49025171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320080073 Expired - Fee Related CN203163994U (en) | 2013-02-21 | 2013-02-21 | Composite detection stand for performances of axle load, braking and speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203163994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105299A (en) * | 2013-02-21 | 2013-05-15 | 中国人民解放军军事交通学院 | Axle weight and brake and vehicle speed combined test bench |
| CN105067281A (en) * | 2015-08-13 | 2015-11-18 | 中国人民解放军第二炮兵装备研究院第三研究所 | Braking/power measuring composite detection table safety protection method and device |
-
2013
- 2013-02-21 CN CN 201320080073 patent/CN203163994U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105299A (en) * | 2013-02-21 | 2013-05-15 | 中国人民解放军军事交通学院 | Axle weight and brake and vehicle speed combined test bench |
| CN105067281A (en) * | 2015-08-13 | 2015-11-18 | 中国人民解放军第二炮兵装备研究院第三研究所 | Braking/power measuring composite detection table safety protection method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103105299A (en) | Axle weight and brake and vehicle speed combined test bench | |
| CN105784387B (en) | Accident vehicle brake efficiency detection means | |
| CN202057495U (en) | Comprehensive detection apparatus of carriage heeling and side-tumbling performance | |
| CN101893495A (en) | Integrated multifunctional automobile chassis dynamometer | |
| CN202008395U (en) | Automobile brake and shaft weight detection table | |
| CN201575884U (en) | Variable-angle slope-climbing traction and speed testing device for vehicle | |
| CN104359691A (en) | Detection test device for power wheel set of railway vehicle | |
| CN116986012B (en) | Device and method for landing gear running obstacle crossing impact test of carrier-based aircraft | |
| CN203163994U (en) | Composite detection stand for performances of axle load, braking and speed | |
| CN104359692B (en) | Detection test device for railway vehicle trailer wheel pair | |
| CN201488878U (en) | Railway vehicle wheel-disk brake testing machine | |
| CN204495568U (en) | A kind of automobile brake perfrmance pick-up unit | |
| CN110333084A (en) | A kind of detecting tool based on ABS control characteristic | |
| CN201152817Y (en) | Apparatus for detecting braking efficiency by chassis dynamometer | |
| CN203798825U (en) | Large tonnage truck speedometer detection device | |
| CN201707161U (en) | Integrated multifunctional dynamometer for automobile chassis | |
| CN201152816Y (en) | Apparatus for high speed braking efficiency detection in drum type | |
| CN201152818Y (en) | Automobile braking efficiency detection device | |
| CN202974540U (en) | An ABS brake detecting platform | |
| CN212621480U (en) | Comprehensive test bench for automobile brake performance | |
| CN106153355B (en) | A kind of ramp abs braking testing stand | |
| CN202903410U (en) | Braking force test bench based on free drums | |
| CN208588543U (en) | A kind of drum-type automobile safety testing system | |
| CN2376625Y (en) | Brake property test platform for motor vehicle | |
| CN206038321U (en) | Cylinder counter -force type loading brake test bench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20140221 |