CN212300838U - EBS front axle rear axle valve module test bed - Google Patents
EBS front axle rear axle valve module test bed Download PDFInfo
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- CN212300838U CN212300838U CN202021350458.7U CN202021350458U CN212300838U CN 212300838 U CN212300838 U CN 212300838U CN 202021350458 U CN202021350458 U CN 202021350458U CN 212300838 U CN212300838 U CN 212300838U
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Abstract
The utility model provides an EBS front axle rear axle valve module test bed, which comprises a test bed bottom, wherein a gas tank accommodating chamber for accommodating a gas tank is arranged in the test bed bottom, and the gas tank accommodating chamber is positioned on the side edge of the test bed and is also rotatably provided with a switch door; the bottom surface fixed mounting is at the top surface of test bench bottom and the fixed test bench middle part that sets up as an organic whole with the test bench bottom, and bottom surface fixed mounting is at test bench middle part top surface and the fixed test bench top that sets up as an organic whole with the test bench middle part, is provided with the anchor clamps subassembly on the top surface at test bench top. The EBS front axle valve and the EBS rear axle valve can be placed only by placing the EBS front axle valve and the EBS rear axle valve in the limiting plate before the holes of the EBS front axle valve and the EBS rear axle valve are formed by clamping the EBS front axle valve and the EBS rear axle valve through the air inlet table, the air cylinder fixing seat and the movable plate in the clamp assembly, the EBS front axle valve and the EBS rear axle valve do not need to be positioned or adjusted again, and the installation is convenient.
Description
Technical Field
The utility model relates to a test bench, especially an EBS front axle rear axle valve module test bench.
Background
The EBS front axle rear front valve module is suitable for braking wheels by an EBS valve under the anti-lock state of the wheels during running of a vehicle, and the EBS valve before being put into use needs to be subjected to conventional pneumatic detection to determine whether the EBS valve can be normally used or not;
a four-station ABS solenoid valve test bench as the national patent publication No. CN209085639U comprises a test bench (1) and is characterized in that a panel frame (2) is fixedly mounted at one end of a table top of the test bench (1), a top frame (3) is fixedly mounted at the upper end of the panel frame (2), the upper end face of the top frame (3) is of an arc-shaped structure, side plates (4) are fixedly mounted between the lower ends of the two sides of the top frame (3) and the upper ends of the two sides of the panel frame (2), a storage cabinet (5) is arranged in the test bench (1), bases (6) are fixedly mounted at the four corners of the lower end face of the test bench (1), rubber pads (7) are arranged at the lower ends of the bases (6), side dustproof glass (8) are fixedly mounted at the two sides of the upper end face of the test bench (1), and the upper end and one side end of the side dustproof glass (8) are fixedly connected with the, the utility model discloses a lamp shade, including roof-rack (3), roof-rack (3) upper end is equipped with dust cover device (9), dust cover device (9) include glass cover (10), glass cover (10) upper end fixed mounting has mounting panel (11), the equal fixed mounting of mounting panel (11) both sides lower extreme has backup pad (12), backup pad (12) are located the outside terminal surface of both sides board (4) respectively, the equal fixed mounting of backup pad (12) lower extreme has mount pad (13), mount pad (13) are equallyd divide and are do not rotated with curb plate (4) and be connected, the inboard of mount pad (13) all is equipped with synchronous machine (14), synchronous machine (14) are fixed mounting respectively on the medial surface of both sides board (4), the output of synchronous machine (14) is respectively through pivot and mount pad (13) fixed connection, even fixed mounting has a plurality of LED fluorescent tubes (15) on roof-rack (3, the LED lamp tube (15) is positioned right above the table top of the test bed (1). The glass cover (10) is of an arc-shaped structure, and the glass cover (10) is connected with the upper end face of the top frame (3) and one side end of the dustproof glass (8) on the two sides in a sliding mode. The end face of the storage cabinet (5) is provided with two cabinet doors, and the cabinet doors are rotatably connected with the test bed (1) through hinges. The lower end of the glass cover (10) is attached to one end, far away from the panel frame (2), of the table top of the test bed (1), and the mounting plate (11) is located on the upper end face of the top frame (3). The mounting plate (11), the supporting plate (12) and the mounting seat (13) are all made of stainless steel materials.
The performance detection device for the EBS dual-channel bridge module comprises an air path mechanism, wherein the air path mechanism comprises an air source, the air source is sequentially connected with a hand ball valve, a two-way connector and a first air storage tank with a drainage ball valve through pipelines, the first air storage tank is divided into a first air path branch and a second air path branch, and the first air path branch is sequentially connected with an air inlet of the EBS dual-channel bridge module to be detected through a first pressure reducing valve, a second air storage tank, a first two-position two-way valve and a second two-position two-way valve; the second gas path branch pipe is connected with a control port of the EBS dual-channel bridge module to be tested sequentially through the filter, the silencer, the electric proportional valve, the third two-position two-way valve and the fourth two-position two-way valve; the air inlet, the control port, the first air outlet and the second air outlet of the EBS dual-channel bridge module to be tested are respectively connected with a first pressure sensor, a second pressure sensor, a third pressure sensor and a fourth pressure sensor which are used for measuring air pressure. The EBS dual-channel bridge module performance detection device also comprises a plugging mechanism, wherein the plugging mechanism comprises a test bracket, and plugging parts at two sides and a test pressing part are fixed on the test bracket; the bottom of the test support is a tool bottom plate, a product mounting platform is arranged on the tool bottom plate, and the EBS dual-channel bridge module to be tested is fixed on the product mounting platform; the testing downward pressing part is positioned right above the product mounting platform and comprises a downward pressing push plate, a sealing testing transfer block and a plugging head connecting block which are fixed together, a floating joint is arranged on the plugging head connecting block, and the downward pressing push plate is also connected with a downward pressing air cylinder for providing downward pressing power and a downward pressing guide rod with a limiting block for limiting; the two-side plugging part is positioned at two sides of the product mounting platform and comprises two side-sealing cylinders, and each side-sealing cylinder is connected with a guide rod, a side-sealing plug and a probe concentration seat; and the side sealing plugs are used for connecting the third pressure sensor and the fourth pressure sensor to the first air outlet and the second air outlet of the EBS dual-channel bridge module to be tested. Two linear guide rails are arranged below the product mounting platform, a sliding table cylinder is arranged on the guide rails, and a blocking block, a photoelectric switch and an oil pressure buffer are arranged on the sliding table cylinder and used for driving the product mounting platform and the EBS dual-channel bridge module to be tested to reach an appointed testing position. Step one, connecting an air inlet, a control port, a first air outlet and a second air outlet with 4 corresponding interfaces of an air path mechanism respectively; step two, testing the conventional braking boosting response time and the conventional braking step-down response time: opening a gas source, enabling the gas to sequentially pass through a hand ball valve, a two-way connector and a first gas storage tank, controlling a first two-position two-way valve and a third two-position two-way valve to be opened by a computer, closing a second two-position two-way valve and a fourth two-position two-way valve, controlling air inlet pressure by a first pressure reducing valve and an electric proportional valve, inputting test gas to a tested piece air inlet and a control port, monitoring the pressure of the first pressure sensor and the second pressure sensor in real time, after the test pressure is reached and stabilized for a period of time, closing the first two-position two-way valve and the third two-position two-way valve, opening the second two-position two-way valve and the fourth two-position two-way valve, rapidly reducing the pressure of the air inlet and the control port from the test pressure to 0kPa, testing the pressure change of a first air outlet and a second air outlet by the third pressure sensor and the fourth pressure sensor, drawing a pressure-time curve, and calculating the time that the air pressure of the A response time; the time for the air pressure of the first air outlet and the second air outlet to be reduced to 10% of the test air pressure from the test air pressure is the conventional brake pressure reduction response time; step three, testing the electric control boosting response time, the electric control voltage reduction response time, the electric control boosting starting time and the electric control voltage reduction starting time: opening a gas source, controlling the gas inlet pressure by a computer through a pressure reducing valve and an electric proportional valve, opening a first two-position two-way valve and a third two-position two-way valve, closing a second two-position two-way valve and a fourth two-position two-way valve, inputting test gas into a gas inlet and a control port of a tested part, monitoring the gas inlet and the control port in real time by a first pressure sensor and a second pressure sensor to enable the gas inlet and the control port to reach test pressure, sending a set message to control the EBS dual-channel bridge module to act through a CAN (controller area network) loop after the pressure is stabilized, enabling a standby pressure electromagnetic valve of the tested bridge module to be powered on and off, powering on the pressure reducing electromagnetic valve for 300ms, testing the pressure change of a first gas outlet and a second gas outlet by the third pressure sensor and the fourth pressure sensor, and automatically drawing, calculating the time from the energization of the pressure reducing solenoid valve to the pressure reduction of more than 6kPa of the first air outlet and the second air outlet as the pressure reduction starting time; calculating the time from the energization of the pressure reducing solenoid valve to the reduction of the pressure to 10% of the test pressure of the first air outlet and the second air outlet as the pressure reduction response time; then, powering off the standby pressure solenoid valve and the pressure reducing solenoid valve of the tested bridge module, closing the first two-position two-way valve and the third two-position two-way valve, opening the second two-position two-way valve and the fourth two-position two-way valve, and rapidly reducing the pressure of the air inlet and the control port from the test pressure until the pressure of the first pressure sensor and the pressure of the second pressure sensor are reduced to 0 kPa; stabilizing the pressure for 5 seconds; the standby pressure electromagnetic valve is powered on and closed, the booster electromagnetic valve is powered on for 300ms, the third pressure sensor and the fourth pressure sensor test the pressure change of the first air outlet and the second air outlet, the system automatically draws an air pressure-time curve, and the time from the power-off of the booster electromagnetic valve to the pressure rise of the first air outlet and the second air outlet exceeding 6kPa is calculated as the boosting starting time; calculating the time from the power-off of the pressurization electromagnetic valve to the pressure rise of the first air outlet and the second air outlet to 90% of the test air pressure as the pressurization response time;
step four, testing the long pressure maintaining function: during testing, the gas source is opened, the gas passes through the hand ball valve and the two-way connector in sequence and reaches the first gas storage tank, the computer controls the first two-position two-way valve and the third two-position two-way valve to be opened, the second two-position two-way valve and the fourth two-position two-way valve to be closed, controlling air inlet pressure through a pressure reducing valve and an electric proportional valve, inputting test gas to an air inlet and a control port of a tested part, monitoring the first pressure sensor and the second pressure sensor in real time to enable the air inlet and the control port to reach test pressure, sending a set message to control the action of an EBS dual-channel bridge module through a CAN loop after the pressure is stabilized to enable a spare pressure electromagnetic valve of the tested part to be electrified and closed, powering off after the pressure reducing electromagnetic valve is electrified for 50ms, stabilizing the pressure for 10 seconds, testing the pressure change of a first air outlet and a second air outlet through a third pressure sensor and a fourth pressure sensor, automatically drawing an air pressure-time curve by a system, and calculating the pressure change value of the first air outlet and the second air outlet within 30 seconds; step five, testing the adjusting function: during testing, an air source is opened, the air sequentially passes through a hand ball valve, a two-way component and reaches a first air storage tank, a computer controls a first two-position two-way valve and a third two-position two-way valve to be opened, a second two-position two-way valve and a fourth two-position two-way valve are closed, air inlet pressure is controlled through a pressure reducing valve and an electric proportional valve, test air is input to an air inlet and a control port of a tested part, a first pressure sensor and a second pressure sensor monitor in real time, the air inlet and the control port reach test pressure, after the pressure is stable, the computer sends a set message through a CAN loop to control the action of an EBS dual-channel bridge module, the tested part standby pressure electromagnetic valve is powered on and closed, the pressure reducing electromagnetic valve is powered on and opened, the pressure of a first air outlet and a second air outlet is reduced to 0, then the pressure reducing electromagnetic valve is closed, the tested part pressure, The standby pressure electromagnetic valve is powered off, the pressure of the first air outlet and the pressure of the second air outlet are increased, the pressure is stabilized for 5 seconds, the pressure reducing electromagnetic valve executes step pressure reducing operation of 7 steps of power-on for 6ms plus power-off for 200ms, the standby pressure electromagnetic valve and the pressure reducing electromagnetic valve are powered off, the third pressure sensor and the fourth pressure sensor test the pressure change of the first air outlet and the second air outlet, the system draws a pressure-time curve, and the pressure values of the first air outlet and the second air outlet after 4 steps of pressurization in the 12 step pressurization process are respectively calculated; calculating the pressure difference of the 2 nd step and the 3 rd step in the 7-step pressure reducing process; the pressure difference between the 6 th and 7 th steps during the 7-step depressurization was calculated. The air pressure adjusting range of the air inlet and the air outlet is 0-1.6 MPa, the air pressure adjusting range of the control port is 0-0.9 MPa, and the air pressure measuring precision is 0.1%; the CAN link communication rate is 500 kbps. The method comprises the following steps: step one, connecting an air inlet, a control port, a first air outlet and a second air outlet with 4 corresponding interfaces of an air path mechanism respectively; step two, detecting the assembly performance: the computer controls the first two-position two-way valve and the third two-position two-way valve to be opened, the second two-position two-way valve and the fourth two-position two-way valve to be closed, the pressure reducing valve and the electric proportional valve control the air inlet pressure, test gas is input to the air inlet and the control port of the tested piece, the first pressure sensor and the second pressure sensor monitor in real time, the air inlet and the control port reach the test pressure, and the full pressure state is kept; the test bench sends a pressure reduction instruction to an electronic control unit of the tested module, the electronic control unit controls a pressure reduction solenoid valve to execute pressure reduction operation, and after the pressure of the first air outlet and the pressure of the second air outlet reach a set value, output values of the third pressure sensor and the fourth pressure sensor are sent to the test bench through a CAN (controller area network) line to be compared; step three, the computer controls the electric proportional valve to reduce the pressure of the control port until the output pressure of the two air outlets is zero; the test bench sends a pressurization instruction to the tested module electronic control unit, the electronic control unit controls the pressurization solenoid valve to perform pressurization operation, and the output value of the pressure sensor is sent to the test bench through the CAN line to be compared after the pressure of the first air outlet and the pressure of the second air outlet reach a set value.
Based on foretell quadruplex position ABS solenoid valve test bench and an EBS binary channels bridge module performance detection device, because of above-mentioned valve is in the testing process, exist because the valve body clamping is insecure or clamping not in place then can have the valve body test effect inaccurate, influence the test effect, the firm EBS front axle rear axle valve module test bench of ABS clamping so that provides one kind.
Disclosure of Invention
The utility model aims at providing a, in view of above-mentioned problem, provide a firm EBS front axle rear axle valve module test bench of valve body clamping.
The technical proposal for solving the technical problem is that the EBS front axle and rear axle valve module test bed comprises,
the gas tank accommodating chamber is arranged in the bottom of the test bed and used for accommodating a gas tank, and the gas tank accommodating chamber is positioned on the side edge of the test bed and is also rotatably provided with a switch door;
the bottom surface is fixedly arranged on the top surface of the bottom of the test bed and is fixed with the middle part of the test bed into a whole, and a barometer display panel, a display screen, a power supply button, an air cylinder driving button and a reset button are arranged on the middle part of the test bed;
the bottom surface is fixedly arranged on the top surface of the middle part of the test bed and is fixed with the middle part of the test bed into a whole, the top surface of the top part of the test bed is provided with a clamp assembly, the clamp assembly comprises,
the air inlet table is fixedly arranged on the inner side wall of the bottom of the test bed, at least 2 air inlets are formed in the air inlet table, an air inlet pipe is fixedly arranged in each 1 air inlet, and an O-shaped sealing ring is further arranged on the top surface of the air inlet table on the outer wall of the air inlet pipe;
the air cylinder fixing seat is fixedly arranged on the inner side wall of the top of the test bed, at least 2 telescopic air cylinders are fixedly arranged on the bottom surface of the air cylinder fixing seat, a pressing plate is fixedly arranged on the power output end of each 1 telescopic air cylinder, at least 2 air outlet holes are formed in the pressing plate, and an air outlet pipe is fixedly arranged in each 1 air outlet hole;
the test bed comprises 2 guide shafts fixedly arranged between the inner wall of the top of the test bed and the inner wall of the bottom of the test bed, a support seat positioned on the inner wall of the bottom of the test bed at the bottom of the 2 guide shafts, a hole formed in the middle of the support seat and arranged on the outer peripheral surface side of the guide shafts, a compression spring is further arranged between the inner peripheral surface of the support seat and the outer peripheral surface of the guide shafts, a pressing plate is arranged on the outer peripheral surfaces of the 2 guide shafts in a penetrating mode, a movable plate used for pressing the compression spring is further arranged on the 2 guide shafts between the bottom surface of the pressing plate and the top surface of the compression spring in a penetrating mode, a hole allowing the air inlet pipe to extend into is formed in the movable plate;
and an accommodating space for the EBS front axle valve and the EBS rear axle valve is formed between the top surface of the movable plate and the pressure plate when the compression spring is in a compressed state.
Preferably, the axes of the air inlet hole and the air outlet hole are the same.
Preferably, the cross section of the supporting seat is arranged in a circular ring shape;
the height of the supporting seat in the vertical direction is 1cm lower than that of the air inlet table.
Preferably, the transparent acrylic baffle is rotatably mounted on the edge of the side face of the top of the test bed, and the bottom end of the transparent acrylic baffle abuts against the outer side of the top face of the middle part of the test bed.
Preferably, an LED lamp strip is fixedly mounted on the bottom surface of the cylinder fixing seat.
The beneficial technical effect of this application: the clamping of the EBS front axle valve and the EBS rear axle valve is formed by the air inlet platform, the air cylinder fixing seat and the movable plate in the clamp assembly, the EBS front axle valve and the EBS rear axle valve are placed in the limiting plate only by placing the EBS front axle valve and the EBS rear axle valve in the limiting plate before the EBS front axle valve and the EBS rear axle valve are subjected to pore opening, the EBS front axle valve and the EBS rear axle valve are not required to be positioned or adjusted again, the installation is convenient, and the air inlet pipe between the air inlet platform and the movable plate can be better in sealing performance of a sealing port of the gap by the O-shaped sealing ring arranged on the top surface of the air inlet platform on the outer wall of the air inlet pipe.
Drawings
FIG. 1 is a schematic structural diagram of the test bed of the present invention before the test;
FIG. 2 is a schematic diagram of the results of the test bench of the present invention;
fig. 3 is a left side view structure diagram of the test bed of the present invention.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings so as to facilitate the further understanding of the present invention by those skilled in the art, and do not limit the right thereto.
Example 1, referring to fig. 1-3, an EBS front axle rear axle valve module test rig includes,
the testing device comprises a testing table bottom 1, wherein a gas tank accommodating chamber 2 for accommodating a gas tank is arranged in the testing table bottom 1, and a switch door is rotatably arranged on the side edge of the testing table of the gas tank accommodating chamber 2;
the bottom surface is fixedly arranged on the top surface of the test bed bottom 1 and is fixed with the test bed bottom 1 into a whole to form a test bed middle part 8, and the test bed middle part 8 is provided with an air pressure gauge display disc 3, a display screen 4, a power supply button 5, an air cylinder driving button 6 and a reset button 7;
a test bench top 9 with the bottom surface fixedly arranged on the top surface of the test bench middle part 8 and fixed with the test bench middle part 8 into a whole, a clamp assembly arranged on the top surface of the test bench top 9, the clamp assembly comprising,
the air inlet table 10 is fixedly arranged on the inner side wall of the bottom part 1 of the test bed, at least 2 air inlet holes 11 are formed in the air inlet table 10, an air inlet pipe 12 is fixedly arranged in each air inlet hole 11, and an O-shaped sealing ring is further arranged on the top surface of the air inlet table 10 on the outer wall of the air inlet pipe 12;
the air cylinder fixing seat 13 is fixedly arranged on the inner side wall of the top part 9 of the test bed, at least 2 telescopic air cylinders 14 are fixedly arranged on the bottom surface of the air cylinder fixing seat 13, a pressing plate 15 is fixedly arranged on the power output end of each 1 telescopic air cylinder 14, at least 2 air outlet holes 16 are formed in the pressing plate 15, and an air outlet pipe 17 is fixedly arranged in each 1 air outlet hole 16;
the test bed comprises a test bed top 9, a bottom inner wall, a support base 19, a compression spring 20, a pressure plate 15, a movable plate 21 and a limit plate 22, wherein the 2 guide shafts 18 fixedly installed between the inner wall and the bottom inner wall of the test bed top 9 are positioned on the inner wall of the test bed bottom 1 at the bottoms of the 2 guide shafts 18, the middle part of the support base 19 is provided with a hole and is arranged on the outer peripheral side of the guide shaft 18, the compression spring 20 is also arranged between the inner peripheral surface of the support base 19 and the outer peripheral surface of the guide shaft 18, the pressure plate 15 is arranged on the outer peripheral surface of the 2 guide shafts 18 in a penetrating mode, the movable plate 21 is arranged on the 2 guide shafts 18 between the bottom surface of the pressure plate 15 and the top surface of the compression spring 20 in a penetrating mode and is provided;
an accommodation space for the EBS front axle valve and the EBS rear axle valve is formed between the top surface of the movable plate 21 and the pressure plate 15 when the compression spring 20 is in a compressed state. The cross section of the air inlet table 10 is rectangular; the cross section of the cylinder fixing seat 13 is rectangular; the cross section of the pressure plate 15 is rectangular; the cross section of the supporting seat 19 is rectangular; the cross section of the movable plate 21 is rectangular; the limiting plate 22 has a rectangular cross section.
In embodiment 1, the air pressure gauge display panel 3, the display screen 4, the power button 5, the cylinder driving button 6, and the reset button 7 may automatically perform connection of the electrical device according to the specific EBS front axle valve and EBS rear axle valve test items according to an external industrial personal computer, which is already the prior art as described in the background art, so that connection of the electrical device is not described herein again, and only a hardware structure and connection of the test bed are provided herein.
In the test bed for the EBS front axle and rear axle valve module in the embodiment 3 and the embodiment 2, the cross section of the supporting seat 19 is arranged in a circular ring shape;
the height of the supporting seat 19 in the vertical direction is 1cm lower than that of the air inlet table 10.
In embodiment 4, the acrylic transparent baffle 23 rotatably mounted on the top 9 side of the test bed can isolate people from the equipment during the test, so that the test process is as safe as possible.
In the test bed for the EBS front axle and rear axle valve module described in embodiment 5 or 4, an LED light bar 24 is further fixedly mounted on the bottom surface of the cylinder fixing seat 13. The LED light bar 24 may be powered by external power equipment.
When the EBS front axle and rear axle valve module test bed is used, an EBS front axle valve and an EBS rear axle valve to be tested are arranged on the movable plate 21 in the limiting plate 22, the telescopic cylinder 14 is started through external power supply equipment, the power output end of the telescopic cylinder 14 extends out, the pressing plate 15 is pressed on the top surfaces of the EBS front axle valve and the EBS rear axle valve, the movable plate 21 is enabled to displace along the installation direction of the 2 guide shafts 18, the compression spring 20 is enabled to deform, the bottom surface of the movable plate 21 is enabled to be in contact with the top surface of the air inlet table 10, the clamping speed of the EBS front axle valve and the EBS rear axle valve is high, and the extension amount of the power output end of the telescopic cylinder 14 during the work of each telescopic cylinder 14 can be measured to enable the bottom surface of the movable plate 21 to be in contact with the top surface of the air inlet.
Claims (5)
1. The utility model provides a EBS front axle rear axle valve module test bench which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the gas tank accommodating chamber is arranged in the bottom of the test bed and used for accommodating a gas tank, and the gas tank accommodating chamber is positioned on the side edge of the test bed and is also rotatably provided with a switch door;
the bottom surface is fixedly arranged on the top surface of the bottom of the test bed and is fixed with the middle part of the test bed into a whole, and a barometer display panel, a display screen, a power supply button, an air cylinder driving button and a reset button are arranged on the middle part of the test bed;
the bottom surface is fixedly arranged on the top surface of the middle part of the test bed and is fixed with the middle part of the test bed into a whole, the top surface of the top part of the test bed is provided with a clamp assembly, the clamp assembly comprises,
the air inlet table is fixedly arranged on the inner side wall of the bottom of the test bed, at least 2 air inlets are formed in the air inlet table, an air inlet pipe is fixedly arranged in each 1 air inlet, and an O-shaped sealing ring is further arranged on the top surface of the air inlet table on the outer wall of the air inlet pipe;
the air cylinder fixing seat is fixedly arranged on the inner side wall of the top of the test bed, at least 2 telescopic air cylinders are fixedly arranged on the bottom surface of the air cylinder fixing seat, a pressing plate is fixedly arranged on the power output end of each 1 telescopic air cylinder, at least 2 air outlet holes are formed in the pressing plate, and an air outlet pipe is fixedly arranged in each 1 air outlet hole;
the test bed comprises 2 guide shafts fixedly arranged between the inner wall of the top of the test bed and the inner wall of the bottom of the test bed, a support seat positioned on the inner wall of the bottom of the test bed at the bottom of the 2 guide shafts, a hole formed in the middle of the support seat and arranged on the outer peripheral surface side of the guide shafts, a compression spring is further arranged between the inner peripheral surface of the support seat and the outer peripheral surface of the guide shafts, a pressing plate is arranged on the outer peripheral surfaces of the 2 guide shafts in a penetrating mode, a movable plate used for pressing the compression spring is further arranged on the 2 guide shafts between the bottom surface of the pressing plate and the top surface of the compression spring in a penetrating mode, a hole allowing the air inlet pipe to extend into is formed in the movable plate;
and an accommodating space for the EBS front axle valve and the EBS rear axle valve is formed between the top surface of the movable plate and the pressure plate when the compression spring is in a compressed state.
2. The EBS front axle and rear axle valve module test stand of claim 1, wherein: the axes of the air inlet hole and the air outlet hole are the same.
3. The EBS front axle and rear axle valve module test stand of claim 2, wherein: the cross section of the supporting seat is arranged in a circular ring shape;
the height of the supporting seat in the vertical direction is 1cm lower than that of the air inlet table.
4. The EBS front axle and rear axle valve module test stand of claim 3, wherein: still rotate on the side edge at test bench top and install ya keli transparent baffle, the bottom portion butt of ya keli transparent baffle is in the top surface outside at test bench middle part.
5. The EBS front axle and rear axle valve module test stand of claim 4, wherein: and an LED lamp strip is fixedly arranged on the bottom surface of the cylinder fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021350458.7U CN212300838U (en) | 2020-07-10 | 2020-07-10 | EBS front axle rear axle valve module test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021350458.7U CN212300838U (en) | 2020-07-10 | 2020-07-10 | EBS front axle rear axle valve module test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212300838U true CN212300838U (en) | 2021-01-05 |
Family
ID=73936991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021350458.7U Active CN212300838U (en) | 2020-07-10 | 2020-07-10 | EBS front axle rear axle valve module test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212300838U (en) |
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2020
- 2020-07-10 CN CN202021350458.7U patent/CN212300838U/en active Active
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