CN203414279U - Braking simulation loading device - Google Patents
Braking simulation loading device Download PDFInfo
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- CN203414279U CN203414279U CN201320440161.3U CN201320440161U CN203414279U CN 203414279 U CN203414279 U CN 203414279U CN 201320440161 U CN201320440161 U CN 201320440161U CN 203414279 U CN203414279 U CN 203414279U
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- direction valve
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Abstract
The utility model discloses a braking simulation loading device. According to the braking simulation loading device of the utility model, a gas source is connected with an air inlet of a pneumatic dyad; an air outlet of the pneumatic dyad is connected with one port of an air storage tank; the other port of the air storage tank is connected with an air inlet of a flow-type electric proportional direction valve; an air medium enters an air cylinder from a valve body under the adjustment of the flow-type electric proportional direction valve; the piston rod of the air cylinder pushes a load to move, and a loading effect can be generated; a force sensor and a displacement sensor are arranged between the air cylinder and the load, wherein the force sensor is used for sensing the pressure borne by the load, and the displacement sensor is used for sensing the displacement of the load; and output signals of the two sensors are fed back to a signal control end of the proportional direction valve through an acquisition card, such that feedback control of the air medium can be completed. The braking simulation loading device of the utility model can provide the output of a set force, set displacement and set speed, and provide a simulation loading means for performance test and durability test of a brake pedal, a clutch pedal, an accelerator pedal and related parts.
Description
Technical field
The utility model relates to a kind of braking analog loading device, and being specifically related to is to detect for automobile brake pedal, clutch pedal, gas pedal and related components Performance Detection, endurance quality the simulation loading means that provide.
Background technology
Auto pedal operating mechanism is the important operating element of automobile, this mechanism is the pin control gear of clutch, braking, gas pedal composition, and the quality of the performances such as the size of pedal gear loading force, the response time that loads stroke size, loading velocity, precision directly concerns the traffic safety of automobile.Foot brake simulation loading mechanism can provide setting power, set the output of displacement and setting speed, for the simulation loading means that provide are provided for brake pedal, clutch pedal, gas pedal and related components Performance Detection, permanance.
Summary of the invention
The utility model, for the deficiencies in the prior art, provides a kind of braking analog loading device, by this loading method, can export loading force, displacement and the speed set, for pedal mechanism for automobile experiment, detection provide a kind of loading means.
The technical scheme that the technical matters that the utility model solves adopts is as follows:
An analog loading device, comprises the electric proportional direction valve of flow type, cylinder, displacement transducer, power sensor, source of the gas, pneumatic bigeminy part and gas-holder.
Described source of the gas is connected with the air intake opening of pneumatic bigeminy part, the gas outlet of pneumatic bigeminy part is connected to a port of gas-holder, the another one port of gas-holder is connected to the air intake opening of the electric proportional direction valve of flow type, air dielectric enters to the air inlet/outlet of cylinder through the regulating action of the electric proportional direction valve of inflow-rate of water turbine type from the gas outlet of valve body, cylinder piston rod promotes load movement, produces loading effect.Between cylinder and load, install strong sensor and displacement transducer are set, power sensor is for the suffered pressure of perception load, and displacement transducer is for the displacement of perception load.The output signal of power sensor and displacement transducer feeds back to the signal controlling end of proportional direction valve by capture card, complete the FEEDBACK CONTROL of air dielectric.
Described load is spring or cylinder;
Described source of the gas is air compressor.
The beneficial effects of the utility model: 1) the utility model can provide the output of setting power, setting displacement and setting speed, for the simulation loading means that provide are provided for brake pedal, clutch pedal, gas pedal and related components Performance Detection, permanance.Can Simulation of Complex operating mode as precipitous road surface, promptly brake etc. repeatedly, can realize static state, dynamic load.
Accompanying drawing explanation
Figure 1 shows that systematic schematic diagram of the present utility model;
Figure 2 shows that the planar elevation view of the utility model embodiment;
Figure 3 shows that charger enforcement full view;
Figure 4 shows that charger vertical view.
In figure: 1. cylinder; 2. power sensor; 3. spring/cylinder; 4. base; 5. cushion block; 6. displacement transducer; 7. come directly towards; 8. enter/venthole; 9. source of the gas; 10. pneumatic bigeminy part; 11. gas-holder; The electric proportional direction valve of 12. flow type; 01. electric proportional direction valve air intake opening; 02,04. electric proportional direction valve venthole.
Embodiment
Further illustrate by reference to the accompanying drawings the utility model.
As shown in Figure 1, a kind of braking analog loading device of the utility model, comprises the electric proportional direction valve 12 of flow type, cylinder 1, displacement transducer 6, power sensor 2, source of the gas 9, pneumatic bigeminy part 10 and gas-holder 11, air compressor is as source of the gas 9, for whole system provides power source, source of the gas connects the air intake opening of pneumatic bigeminy part 10, by pneumatic bigeminy part, the air dielectric of system is filtered, pressure regulation also shows in time, the gas outlet of pneumatic bigeminy part connects a gas port of gas-holder 11, gas-holder can reach the effect of stablizing gas circuit air pressure, another gas port of gas-holder is connected to the air intake opening 01 of the electric proportional direction valve 12 of flow type, by the proportional valve control gas circuit gas flow of flow type electrical equipment and uninterrupted, the gas outlet 02 and 04 of the electric proportional direction valve of flow type is connected to the air inlet/outlet 8 of cylinder, make piston both sides in cylinder 1 produce pressure reduction, this pressure reduction promotes cylinder push-rod motion, thereby load is loaded.In order to simplify stress model, in this device, adopt spring/cylinder 3 to substitute and load object, i.e. load.Between cylinder push-rod and loading spring/cylinder, fix a power sensor 2, be used for experiencing loading force.Simultaneously, in load, fix a displacement transducer 6, the output voltage signal of displacement, power sensor can perception loading system motion conditions, sensor signal is fed back to the voltage signal input end of flow type electric Proportion valve 12, be used for controlling the spool displacement of flow type electric Proportion valve, control the aperture of valve port, formed a closed-loop control system.
As shown in Figure 2, Figure 3 and Figure 4, push rod and the load of cushion block 5 link cylinders play the guiding role to push rod simultaneously, come directly towards 7 terminal positions that are used for fixing spring/cylinder.The push rod head of displacement transducer 6 contacts with power sensor 2 gaplesss, and displacement transducer 6 following force sensor 2 motions, can come by the position of power sensor 2 position of perception load.Base 4 is fixed on load maintainer on experiment table.
Before experiment, need to carry out pretension to load (spring/cylinder) 3, to guarantee that the gapless of cushion block and load contacts.Afterwards, to sensor return to zero, proportional direction valve zero setting.By control strategy, be met the setting physical quantity of index parameter requirement, thus the output of simulation loading physical quantity, for the test of braking, clutch, gas pedal, experiment provide loading means.
Claims (3)
1. braking analog loading device, comprises the electric proportional direction valve of flow type, cylinder, displacement transducer, power sensor, source of the gas, pneumatic bigeminy part and gas-holder;
It is characterized in that: described source of the gas is connected with the air intake opening of pneumatic bigeminy part, the gas outlet of pneumatic bigeminy part is connected to a port of gas-holder, the another one port of gas-holder is connected to the air intake opening of the electric proportional direction valve of flow type, air dielectric enters to the air inlet/outlet of cylinder through the regulating action of the electric proportional direction valve of inflow-rate of water turbine type from the gas outlet of valve body, cylinder piston rod promotes load movement, produces loading effect; Between cylinder and load, install strong sensor and displacement transducer are set, power sensor is for the suffered pressure of perception load, and displacement transducer is for the displacement of perception load; The output signal of power sensor and displacement transducer feeds back to the signal controlling end of proportional direction valve by capture card, complete the FEEDBACK CONTROL of air dielectric.
2. braking analog loading device according to claim 1, is characterized in that: described load is spring or cylinder.
3. braking analog loading device according to claim 1, is characterized in that: described source of the gas is air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320440161.3U CN203414279U (en) | 2013-07-23 | 2013-07-23 | Braking simulation loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320440161.3U CN203414279U (en) | 2013-07-23 | 2013-07-23 | Braking simulation loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203414279U true CN203414279U (en) | 2014-01-29 |
Family
ID=49977161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320440161.3U Expired - Fee Related CN203414279U (en) | 2013-07-23 | 2013-07-23 | Braking simulation loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203414279U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454092A (en) * | 2013-07-23 | 2013-12-18 | 中国计量学院 | Brake analog loading device |
| CN107367394A (en) * | 2017-08-14 | 2017-11-21 | 吉林大学 | A kind of simulating brake booster reaction plate working condition measurement test-bed |
| CN109870343A (en) * | 2017-12-04 | 2019-06-11 | 中国飞机强度研究所 | It is a kind of can timing apply shock loading and steady state loading loading device |
-
2013
- 2013-07-23 CN CN201320440161.3U patent/CN203414279U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454092A (en) * | 2013-07-23 | 2013-12-18 | 中国计量学院 | Brake analog loading device |
| CN107367394A (en) * | 2017-08-14 | 2017-11-21 | 吉林大学 | A kind of simulating brake booster reaction plate working condition measurement test-bed |
| CN107367394B (en) * | 2017-08-14 | 2023-08-22 | 吉林大学 | Test bench for simulating working condition of feedback disc of brake booster |
| CN109870343A (en) * | 2017-12-04 | 2019-06-11 | 中国飞机强度研究所 | It is a kind of can timing apply shock loading and steady state loading loading device |
| CN109870343B (en) * | 2017-12-04 | 2022-03-15 | 中国飞机强度研究所 | Loading device capable of applying impact load and steady-state load in time sequence |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20170723 |