CN206876404U - Using hydraulicdriven portable dynamic property detection platform - Google Patents
Using hydraulicdriven portable dynamic property detection platform Download PDFInfo
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- CN206876404U CN206876404U CN201720623373.3U CN201720623373U CN206876404U CN 206876404 U CN206876404 U CN 206876404U CN 201720623373 U CN201720623373 U CN 201720623373U CN 206876404 U CN206876404 U CN 206876404U
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Abstract
A kind of detection platform main body for using hydraulicdriven portable dynamic property detection platform, including frame, left and right roller group and lifting device composition is the utility model is related to, it is characterized in that：The left and right roller is connected to independent hydraulic transmission, the hydraulic transmission includes hydraulic pump, hydraulic motor and flow divider-combiner, the hydraulic pump is connected with roller one end for left and right roller group respectively by shaft coupling, hydraulic pump is connected with flow divider-combiner, flow divider-combiner is connected with hydraulic motor, hydraulic motor is connected with turbine, and roller is connected with electric control gear.Beneficial effect：The utility model completes the transmission of energy by Hydraulic Elements such as hydraulic pump, hydraulic motors, between hydraulic pump, pressure sensor and flow divider-combiner are arranged on into left and right roller, reduces detection platform size；Hydraulic motor and turbine are placed in outside detection platform, convenient and flexible installation.
Description
Technical field
The utility model belongs to vehicle performance test field, more particularly to a kind of using hydraulicdriven portable dynamic property
Detection platform.
Background technology
Vehicle largely depends on as efficient means of transport and motor platform, conevying efficiency and mobility
In the dynamic property of vehicle.Therefore, regularly automobile-power-capability testing is carried out to vehicle, it appears particularly important.Only by regularly
Automobile-power-capability testing, the good state of the art of vehicle can be just remained, guarantee is movable at any time, active, dynamic then safe and reliable.
At present, the detection of power performance is broadly divided into road test and platform tries two kinds of detection modes.Road test detection refers to vehicle
Under conditions of road driving, the detection that is carried out by the detecting instrument being installed on vehicle to power performance.But road test is examined
The time needed and the road of occupancy length, the more difficult satisfaction of experimental condition are surveyed, and is easily disturbed by environmental factor, poor repeatability.Car
Chassis dynamometer is most important indoor stand dynamic property detection device, it can by simulation of the stage body to vehicle working condition,
The detection of power performance is carried out in the case where vehicle is overall without disintegrating.But Chassis dynamometer mechanism is complicated, each composition portion
Point connected mode is fixed, and volume is big, weight weight.The outlying district disperseed particularly with vehicle deployment, fixed desk-top detection nothing
Method meets the periodic detection of vehicles dynamic performance.Now widely used chassis dynamometer from volume or weight all without
Method meets the needs of mobile detection.Mobile detection because its it is motor-driven, flexible the advantages that, can effectively make up the deficiency of fixed test.Cause
This, designs a kind of moveable power performance detection platform and is particularly important.
Utility model content
The purpose of this utility model is to overcome the shortcomings of above-mentioned technology, and provides a kind of using hydraulicdriven movable type
Dynamic property detection platform, detection platform size of main body is reduced instead of machine driving using hydraulic transmission mode, is moved easily；Profit
Hydraulic motor and Retarder are placed in outside detection platform main body with fluid pressure line so that whole stage+module is flexible.
The utility model to achieve the above object, using following technical scheme：One kind is using hydraulicdriven portable dynamic
Power detection platform, including the detection platform main body that frame, left and right roller group and lifting device are formed, the lifting device include
Actuating device of atmospheric pressure and pallet, actuating device of atmospheric pressure control the lifting of pallet by pneumatic control valve, and one group of two rollers lead to
The rotation of transmission band connection is crossed, left and right roller group is supported on frame the right and left by bearing block, it is characterized in that：The left and right roller
Independent hydraulic transmission is connected to, the hydraulic transmission includes hydraulic pump, hydraulic motor and flow divider-combiner,
The hydraulic pump is connected with roller one end for left and right roller group respectively by shaft coupling, and hydraulic pump connects with flow divider-combiner
Connect, flow divider-combiner is connected with hydraulic motor, and hydraulic motor is connected with turbine, and roller is connected with electric control gear.
The turbine uses Ventilated electric swirl flow mechanism success rate absorption plant.
The electric control gear includes speed probe, oil pressure sensor, AC511 control panels and observing and controlling computer, revolution speed sensing
Device and oil pressure sensor are connected with AC511 control panels respectively, and the data of collection are transmitted to observing and controlling computer by CAN communication；Described turn
Fast sensor is fixed on roller, and oil pressure sensor is arranged on flow divider-combiner intake line, solid on the AC511 control panels
It is connected to turbine load plate.
Beneficial effect：Compared with prior art, based on the utility model can utilize machine driving chassis, liquid is utilized
Pressure transmission carries out power performance detection.The transmission of energy is completed by Hydraulic Elements such as hydraulic pump, hydraulic motors.Utilize simultaneously
The characteristics of fluid pressure line flexible arrangement, between hydraulic pump, pressure sensor and flow divider-combiner are arranged on into left and right roller, reduce
Stage body size, is moved easily；Turbine volume is big, weight weight, is inconvenient to arrange in movable detecting platform, hydraulic power
Hydraulic motor and Retarder are arranged in outside stage body by detection platform using fluid pressure line so that whole stage+module is flexibly square
Just.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the connection block diagram of electric control gear.
In figure：1- hydraulic pumps, 2- shaft couplings, 3- transmission belts, 4- frames, 5- rollers, 6- lifting devices, 7- flow distributing and collectings
Valve, 8- bearing blocks, 9- speed probes, 10- device for power absorption frames, 11- turbines, 12- hydraulic motors, 13, fuel tank.
Embodiment
Specific embodiment of the present utility model is described in detail with reference to preferred embodiment.
Accompanying drawing 1 is referred to, is present embodiments provided a kind of using hydraulicdriven portable dynamic property detection platform, including machine
The detection platform main body that frame 4, left and right roller group 5 and lifting device 6 are formed, the lifting device is using conventional lifting device.
Such as pass through pneumatic control valve (figure including actuating device of atmospheric pressure (not shown) and pallet (not shown), actuating device of atmospheric pressure
In do not show) lifting of control pallet, every group of two rollers are connected by transmission belt 3 and rotated, and left and right roller group passes through bearing block 8
Frame the right and left is supported on, the left and right roller is connected to independent hydraulic transmission, the hydraulic transmission
Including hydraulic pump 1, hydraulic motor 12 and flow divider-combiner 7, the hydraulic pump by shaft coupling 2 respectively with left and right roller group one
The connection of roller one end, hydraulic pump are connected with flow divider-combiner, and flow divider-combiner is connected with hydraulic motor 12, hydraulic motor and whirlpool
Stream machine 11 is connected, and roller is connected with electric control gear.The turbine uses Ventilated electric swirl flow mechanism success rate absorption plant, wind
Cold type Retarder is fixed in device for power absorption frame 10.The electric control gear includes speed probe 9, oil pressure senses
Device, AC511 control panels and observing and controlling computer, speed probe and oil pressure sensor are connected with AC511 control panels respectively, the number of collection
Observing and controlling computer is transmitted to according to by CAN communication；The speed probe is fixed on roller, and oil pressure sensor is arranged on flow distributing and collecting
On valve intake line, turbine load plate is connected with the AC511 control panels.
Based on hydraulic drive vehicle dynamic property detection platform can utilize machine driving chassis, entered using hydraulic drive
Row power performance detects.Left and right sides roller independently drives, and is connected respectively by shaft coupling with hydraulic pump, left and right sides hydraulic pressure
Oil pump outlet line road is pooled together by flow divider-combiner, and then is connected with hydraulic motor, is driven turbine to rotate and is absorbed work(
Rate.
Table 1 is that maximum carrying quality is all 13T chassis dynamometer (YDCG-13) and the chi of hydraulic power detection platform
Very little comparison.
The chassis dynamometer of table 1 and hydraulic power detection platform parameter comparison
As shown in table 1, hydraulic power detection stage body size has reduction by a relatively large margin compared with chassis dynamometer, so that
Obtain hydraulic power detection stage body to be more convenient for arranging in movable detecting platform, realize moveable vehicles dynamic performance inspection
Survey.
(1) detection platform main body
Detection platform main body includes five frame, roller group, lifting device, speed measuring device, protection device parts.Roller exists
The effect of support driving moment, passing power is mainly undertaken during Dynamic testing, during detection, wheel drives roller to rotate, and roller will
Mechanical energy is input in hydraulic pump by oil pipe, and the series cylinder of left and right two independently rotates, and connects a set of hydraulic means respectively.Lift owner
It is made up of actuating device of atmospheric pressure, pallet, pneumatic control valve etc..Before vehicle drives into experiment, lifted under the driving of drive device
Pallet, vehicle is facilitated to enter.During detection, pneumatic control valve unloading, pallet minimizes.Detection finishes, and before vehicle rolls away from, is driving
Pallet is lifted again under the driving of dynamic device, facilitates vehicle to roll away from.
(2) hydraulic system
Hydraulic transmission includes five parts, is hydraulic pump, hydraulic motor, flow divider-combiner, servicing unit, oil respectively
Case 13.
Hydraulic pump is the power set of hydraulic system, is changed the mechanical energy that driving wheel drives roller to rotate by hydraulic pump
Transmitted as hydraulic energy, and the fullcharging of hydraulic energy can be ensured.
Hydraulic motor is the performs device of hydraulic system, and it is the device of output mechanical energy, will be shunted by hydraulic motor
The hydraulic energy reconvert of combiner valve output drives turbine to rotate to absorb the power of driving wheel into mechanical energy.Particular technique is joined
Number is as shown in table 2.
The hydraulic motor important technological parameters of table 2
Flow divider-combiner is the control device of hydraulic system, collected by flow divider-combiner from the hydraulic pump of the left and right sides etc.
Flow, to realize the speed sync of both sides hydraulic pump.From KJL-32H, two inlet flow rate 100L/min, rate of discharge 200L/
min。。
Servicing unit is exactly the other kits that can make hydraulic transmission normal work, is referred in hydraulic system
Fuel tank, hydraulic oil pipe and valve group etc., it can provide the effectiveness such as purification, conveying, cooling.
Hydraulic oil is the working media of hydraulic system, can provide a system to transmit energy, cooling, profit by hydraulic oil
Sliding, purification hydraulic system and other effects.
(3) device for power absorption
Device for power absorption refers to Ventilated electric turbine, is made up of stator, rotor and magnet exciting coil, has and absorbs work(
The effect of rate and loading resistance.
When hydraulic power detection platform works, hydraulic motor drives Retarder to rotate, by the hydraulic energy of hydraulic system
The mechanical energy of vortex machine rotor is transformed into, and is exhaled in the form of heat, completes the absorption of power.
(4) electric-control system
Electric-control system is made up of speed probe, oil pressure sensor, AC511 control systems and observing and controlling computer.
Speed probe is connected with roller, and the rotating speed of unit interval inner roller is transformed into pulse signal, oil pressure sensing
Device is arranged on flow divider-combiner intake line, and speed probe and oil pressure sensor are connected with AC511 Control cards, collection
Data are transmitted to observing and controlling computer by CAN communication.
AC511 control systems include AC511 control panels and turbine load plate two parts, and AC511 control panels are by collection
Data-signal is transmitted to turbine load plate, and turbine load plate is loaded to turbine according to the on-load voltage that control panel gives, surveyed
Control computer calculates the power output of driving wheel by the relevant parameter of above-mentioned measurement.
Operation principle
During based on hydraulicdriven power performance monitor station body running, driving wheel of vehicle drives roller to rotate, left and right two
Sidewinder cylinder respectively by shaft coupling with hydraulic pump to be connected, driving wheel mechanical energy changed into the hydraulic energy of fluid by hydraulic pump,
Left and right sides hydraulic pump completes the synchronization of flow, flow divider-combiner outlet line and hydraulic motor phase by flow divider-combiner
Even, the mechanical energy that the hydraulic energy transfer of hydraulic oil is hydraulic motor, drive Ventilated electric turbine are rotated by hydraulic motor,
The absorption of power is completed, the hydraulic oil of hydraulic motor outlet line flows into fuel tank, completes the circulation of fluid.
When passing to direct current to magnet exciting coil, magnetic field caused by vortex flow interacts with excitation field, produces and turns
The opposite torque in sub- direction of rotation, hydraulic motor is reacted on by shaft coupling, whole hydraulic system load is become big, accordingly
Hydraulic system pressure becomes big.Load acts on roller, roller rotary damping increase through hydraulic system, and acts on Automobile drive
Wheel, so that Automobile drive wheel speed reduces, the detection of vehicles dynamic performance under different rotating speeds is completed finally by electric-control system.
Verification experimental verification
This experiment using gross mass is 14570Kg, kerb weight 4380Kg, appraises and decides the Jiangling that mounted mass is 9995Kg
J28980 heavy trucks, under different stalls, the operating mode of different rotating speeds, respectively in hydraulic power detection platform and maximum carrying
5 Output power of driving wheel detection experiments are carried out on quality 10T chassis dynamometer, table 3 is result of the test.
The hydraulic power detecting system of table 3 detects tables of data
From table 3 it can be seen that the utility model is respectively 1.80% and 1.21% in the relative standard deviation of two groups of experiments,
Data redundancy is preferable, and average relative error is respectively 0.31% and 0.84%, and result of the test is more accurate.
It is above-mentioned that this kind of is retouched in detail using what hydraulicdriven portable dynamic property detection platform was carried out with reference to embodiment
State, be illustrative rather than limited, several embodiments can be included according to limited scope, therefore do not departing from this
Changing and modifications under utility model general plotting, it should belong within the scope of protection of the utility model.
Claims (3)
1. one kind uses hydraulicdriven portable dynamic property detection platform, including frame, left and right roller group and lifting device structure
Into detection platform main body, the lifting device includes actuating device of atmospheric pressure and pallet, and actuating device of atmospheric pressure passes through pressure control
Valve controls the lifting of pallet, and one group of two rollers are rotated by being driven band connection, and left and right roller group is supported on by bearing block
Frame the right and left, it is characterized in that：The left and right roller group is connected to independent hydraulic transmission, the hydraulic drive
Device includes hydraulic pump, hydraulic motor and flow divider-combiner, the hydraulic pump by shaft coupling respectively with left and right roller group one
The connection of roller one end, hydraulic pump be connecteds with flow divider-combiner, and flow divider-combiner is connected with hydraulic motor, hydraulic motor and are vortexed
Machine is connected, and roller is connected with electric control gear.
2. according to claim 1 use hydraulicdriven portable dynamic property detection platform, it is characterized in that：The vortex
Machine uses Ventilated electric swirl flow mechanism success rate absorption plant.
3. according to claim 1 use hydraulicdriven portable dynamic property detection platform, it is characterized in that：It is described automatically controlled
Device includes speed probe, oil pressure sensor, AC511 control panels and observing and controlling computer, speed probe and oil pressure sensor point
It is not connected with AC511 control panels, the data of collection are transmitted to observing and controlling computer by CAN communication；The speed probe is fixed in rolling
On cylinder, oil pressure sensor is arranged on flow divider-combiner intake line, and turbine loading is connected with the AC511 control panels
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720623373.3U CN206876404U (en) | 2017-06-01 | 2017-06-01 | Using hydraulicdriven portable dynamic property detection platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720623373.3U CN206876404U (en) | 2017-06-01 | 2017-06-01 | Using hydraulicdriven portable dynamic property detection platform |
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| Publication Number | Publication Date |
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| CN206876404U true CN206876404U (en) | 2018-01-12 |
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ID=61337613
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202698A (en) * | 2017-06-01 | 2017-09-26 | 中国人民解放军军事交通学院 | Using hydraulicdriven portable dynamic property detection platform |
-
2017
- 2017-06-01 CN CN201720623373.3U patent/CN206876404U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202698A (en) * | 2017-06-01 | 2017-09-26 | 中国人民解放军军事交通学院 | Using hydraulicdriven portable dynamic property detection platform |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 300161 No.1, dongjuzi, Chenglin Road, Hedong District, Tianjin Patentee after: ARMY MILITARY TRANSPORTATION University Address before: No.1, dongjuzi, Hedong District, Tianjin, 300361 Patentee before: Military Transportation University of PLA |
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| CP03 | Change of name, title or address |