CN218937779U - Movable test device for detecting an EBS system of a commercial vehicle - Google Patents
Movable test device for detecting an EBS system of a commercial vehicle Download PDFInfo
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- CN218937779U CN218937779U CN202221884467.3U CN202221884467U CN218937779U CN 218937779 U CN218937779 U CN 218937779U CN 202221884467 U CN202221884467 U CN 202221884467U CN 218937779 U CN218937779 U CN 218937779U
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Abstract
The utility model relates to the field of testing devices, in particular to a movable testing device for detecting an EBS system of a commercial vehicle, which comprises a rack, universal wheels and a testing system module; at least four universal wheels are arranged at the bottom of the rack; the rack comprises a mounting cavity and a control plate, the control plate is positioned at the side part of the mounting cavity, the control plate is positioned above the tops of all universal wheels, and the control plate protrudes out of the mounting cavity along the vertical direction; wherein a part of the test system modules are arranged in the mounting cavity, and the rest of the test system modules are arranged on the control board. Arranging the test system module on a rack, and arranging a universal wheel at the bottom of the rack, so that the combination of the test system module and the rack can be moved to an assembly area of a commercial vehicle through the universal wheel; the staff directly transports the as yet untested EBS system to the assembly station so that the EBS system is actually transported only once, making the EBS system more efficient to assemble onto a commercial vehicle.
Description
Technical Field
The utility model relates to the field of testing devices, in particular to a movable testing device for detecting an EBS system of a commercial vehicle.
Background
The EBS system of the commercial vehicle needs to be tested before being actually assembled into the commercial vehicle; under the condition that the tested EBS system is qualified for testing, the staff can assemble the qualified EBS system on the commercial vehicle.
In the prior art, the test device for testing the EBS system is arranged at the test station, and the assembly of the commercial vehicle is done at the assembly station. Generally, a worker first needs to transport an EBS system that has not yet been tested to a test station, after the test station performs a test and is qualified, the worker transfers the EBS system that is qualified for the test from the test station to an assembly station, and then the EBS system that is qualified for the test is assembled on a commercial vehicle by the worker.
From the above, it is known that at least two operations of transporting the EBS system are performed before the EBS system is actually assembled to the commercial vehicle, thereby reducing the assembly efficiency of the EBS system to the commercial vehicle.
Therefore, how to improve the assembly efficiency of the EBS system to the commercial vehicle becomes a technical problem to be solved.
Disclosure of Invention
In order to solve the technical problem of how to improve the assembly efficiency of the EBS system to the commercial vehicle in the prior art, the utility model provides a movable testing device for detecting the EBS system of the commercial vehicle.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
according to one aspect of the present utility model, there is provided a mobile test device for detecting an EBS system of a commercial vehicle, characterized by comprising a gantry, a universal wheel and a test system module;
at least four universal wheels are arranged at the bottom of the rack;
the rack comprises a mounting cavity and a control plate, the control plate is positioned at the side part of the mounting cavity, the control plate is positioned above the tops of all the universal wheels, and the control plate protrudes out of the mounting cavity along the vertical direction;
wherein a part of the test system modules are arranged in the mounting cavity, and the rest of the test system modules are arranged on the control board.
Further, the testing system module comprises a dryer, a first air reservoir, a second air reservoir and a third air reservoir;
the dryer is provided with an input interface and an output interface, wherein the output interface is respectively communicated with the first air reservoir, the second air reservoir and the third air reservoir.
Further, the novel energy air compressor is also included;
the new energy air compressor at least adopts electric energy to work, and is communicated with the input interface through a pipeline.
Further, the test system module further comprises a front axle single-channel module and a rear axle double-channel module;
the first air cylinder is communicated with the front axle single-channel module through a pipeline;
the second air cylinder is communicated with the rear axle double-channel module through a pipeline.
Further, the test system module further comprises a front axle brake chamber and a rear axle brake chamber;
the front axle single-channel module is communicated with the front axle brake air chamber through a pipeline;
the rear axle double-channel module is communicated with the rear axle brake air chamber through a pipeline.
Further, the testing system module further comprises a hand brake valve, a parking relay valve, a control joint and an energy supply joint;
the third air cylinder is respectively communicated with the hand brake valve and the parking relay valve through pipelines;
when a trailer valve in the EBS system is arranged on the rack, the third air cylinder is communicated with the trailer valve through a pipeline, and the trailer valve is respectively communicated with the rear axle double-channel module, the hand brake valve, the control joint and the energy supply joint through pipelines;
the hand brake valve is communicated with the parking relay valve through a pipeline, and the parking relay valve is communicated with the rear axle brake air chamber through a pipeline.
Further, the test system module further comprises a first two-way check valve and a second two-way check valve;
when a brake signal generator in the EBS system is arranged on the rack, the first air reservoir and the second air reservoir are respectively communicated with the brake signal generator through pipelines, and the brake signal generator is respectively communicated with the first two-way check valve and the second two-way check valve through pipelines;
the first two-way check valve is communicated with the front axle single-channel module through a pipeline;
the second two-way check valve is communicated with the rear axle double-channel module through a pipeline.
Further, the test system module further comprises a brake pedal assembly;
the first air reservoir and the second air reservoir are respectively communicated with the brake pedal assembly through pipelines;
the brake pedal assembly is respectively communicated with the first two-way check valve and the second two-way check valve through pipelines.
Further, the test system module further comprises a bidirectional working cylinder;
the bidirectional working cylinder is used for controlling the braking signal generator.
Further, the test system module further comprises a control joint, a rim and a motor;
when the ECU controller of the EBS system is arranged on the rack, the ECU controller is respectively and electrically connected with the control joint and the motor;
the motor is used for driving the rim.
The technical scheme has the following advantages or beneficial effects:
according to the movable testing device for detecting the EBS system of the commercial vehicle, the testing system module is arranged on the rack, and the universal wheels are arranged at the bottom of the rack, so that the composition of the testing system module and the rack can be moved to the assembly area of the commercial vehicle through the universal wheels; the staff directly conveys the EBS system which is not tested to the assembly station, so that the EBS system is actually conveyed only once, and compared with the prior art, the movable testing device for detecting the EBS system of the commercial vehicle, provided by the utility model, has the advantage that the efficiency of assembling the EBS system to the commercial vehicle is higher.
Drawings
Fig. 1 is a schematic structural diagram of a mobile test device for detecting an EBS system of a commercial vehicle according to embodiment 1 of the present utility model;
fig. 2 is a schematic structural diagram of a mobile test device for detecting an EBS system of a commercial vehicle according to embodiment 1 of the present utility model;
fig. 3 is a schematic structural diagram of a mobile test device for detecting an EBS system of a commercial vehicle according to embodiment 1 of the present utility model;
fig. 4 is a schematic structural diagram of a mobile test device for detecting an EBS system of a commercial vehicle according to embodiment 1 of the present utility model;
fig. 5 is a schematic structural diagram of a mobile test device for detecting an EBS system of a commercial vehicle according to embodiment 1 of the present utility model.
Detailed Description
Example 1:
in this embodiment, a movable test device for detecting an EBS system of a commercial vehicle is provided for improving the assembly efficiency of the EBS system to the commercial vehicle.
Specifically, referring to fig. 1 to 5, a movable test device for detecting an EBS system of a commercial vehicle includes a gantry 1, a universal wheel 2, and a test system module 3;
at least four universal wheels 2 are arranged at the bottom of the rack 1;
the rack 1 comprises a mounting cavity 101 and a control plate 102, the control plate 102 is positioned at the side part of the mounting cavity 101, the control plate 102 is positioned above the tops of all universal wheels 2, and the control plate 102 protrudes from the mounting cavity 101 along the vertical direction;
some of the test system modules 3 are disposed in the mounting cavity 101, and the rest of the test system modules 3 are disposed on the control board 102.
The test system module 3 is used for detecting an EBS system of the commercial vehicle.
Since the test system is provided on the stand 1 and the bottom of the stand 1 is provided with the universal wheel 2, the movable test device for detecting the EBS system of the commercial vehicle of the present embodiment can be pushed or pulled by a worker or can be towed to move by a trailer.
In actual use, the movable test device for detecting the EBS system of the commercial vehicle of the present embodiment may be moved to the assembly station of the commercial vehicle; when the EBS system is transported to the assembly station, a worker firstly installs the EBS system on the movable testing device for detecting the EBS system of the commercial vehicle, and detects the EBS system to obtain the EBS system which is qualified in detection; then, the worker removes the EBS system with respect to the movable test device for detecting the EBS system of the commercial vehicle of the present embodiment; after removal, the staff can install the EBS system on a commercial vehicle.
In the prior art, since the test device for testing the EBS system is disposed at the test station, and the test station is not the same station as the assembly station of the commercial vehicle, the EBS system needs to be transported by the staff at least twice, the first transportation is to transport the EBS system from the warehouse or the accessory department to the detection station, and the second transportation is to transport the EBS system from the detection station to the assembly station, so that the efficiency of assembling the EBS system of the prior art to the commercial vehicle is low.
In this embodiment, the test system module 3 is disposed on the stand 1, and the universal wheel 2 is disposed at the bottom of the stand 1, so that the combination of the test system module 3 and the stand 1 can be moved to the assembly area of the commercial vehicle through the universal wheel 2; the staff directly transports the EBS system which is not tested to the assembly station, so that the EBS system is transported once actually, and compared with the prior art, the movable testing device for detecting the EBS system of the commercial vehicle, which is provided by the embodiment, is adopted, so that the efficiency of assembling the EBS system to the commercial vehicle is higher.
It should be understood that the transportation process of the EBS system includes not only the movement time of the transfer car carrying the EBS system, but also the time of loading the transfer car with the EBS system and the time of unloading the transfer car with the EBS system.
In an actual commercial vehicle assembly factory, each transfer vehicle cannot transport only one set of EBS system in the same time period, so that the transfer efficiency of the transfer vehicle is low; it is common practice for a transfer car to transport multiple sets of EBS systems, and when the transfer car arrives at a first assembly station, the worker only removes one set of EBS systems, and then the transfer car arrives at a second assembly station, the worker removes a second set of EBS systems, and so on, until all EBS systems on the transfer car are each deployed at one of the assembly stations.
In practical application, the movable test device for detecting the EBS system of the commercial vehicle reduces one transportation step of the EBS system and improves the efficiency of the transfer vehicle for transporting the EBS system; from the point of view of the transfer car, the process of loading the EBS system onto the transfer car and the process of unloading the EBS system from the transfer car take place only once, as only one transport process takes place from the warehouse or the fitting department to the assembly station of the commercial vehicle. In the prior art, the transfer trolley needs to generate a first transportation process from a warehouse or a fitting part to the detection station, and needs to generate a second transportation process from the detection station to the assembly station, and in the two transportation processes, a process of loading the transfer trolley on the EBS system and a process of unloading the transfer trolley respectively occur. Therefore, in the practical application process of the movable test device for detecting the EBS system of the commercial vehicle of this embodiment, the time for loading and unloading the EBS system on and from the transfer cart is reduced for one time in addition to the time for one transportation process for the transfer cart.
Therefore, from the perspective of the process of loading and unloading the transfer cart from the EBS system of the present embodiment, and from the perspective of the transfer cart corresponding to the application process, the movable test device for detecting the EBS system of the commercial vehicle of the present embodiment, in the actual use process, does not simply save one of the transportation steps of the EBS system in the prior art, and saves a lot of time for transferring the EBS system, thereby improving the efficiency of the transfer cart.
In the foregoing, referring to fig. 1 or 2 or 3 or 4, the rack 1 is provided with a mounting chamber 101 and a control board 102.
Wherein the control board 102 is arranged vertically for setting some operational or functional components in the test system module 3 and also for setting some electrical components in the EBS system being tested; the control board 102 is provided to facilitate the operation of the test system module 3 by a worker; because the control board 102 is relatively tall, the operative or functional components may be positioned at a higher location on the control board 102, e.g., with the operative or functional components positioned flush with the horizontal line of sight of the operator, looking straight through when facing the control board 102 and operating the operative or functional components.
The mounting cavity 101 is used to house some of the mechanical or electrical structures in the test system module 3; in actual use, some of the functional components of the EBS system being tested are also disposed within the mounting cavity 101; the mounting cavity 101 is relatively low, and some of the functional components of the EBS system described above may be conveniently located within the mounting cavity 101 by a worker or removed from the mounting cavity 101.
Specifically, in the present embodiment, referring to fig. 5, the test system module 3 includes a dryer 300, a first air tank 301, a second air tank 302, and a third air tank 303;
the dryer 300 has an input interface and an output interface, wherein the output interface is respectively connected to the first air reservoir 301, the second air reservoir 302 and the third air reservoir 303.
The input interface of the dryer 300 is used for connecting an external air source; wherein the external air supply is a remote air compressor station connected to the dryer 300 by a conduit extending the assembly station for delivering compressed air.
The externally conveyed compressed air firstly passes through the dryer 300, and water vapor or other impurities in the compressed air are separated by the dryer 300; compressed air exiting the dryer 300 is delivered into a first air reservoir 301, a second air reservoir 302, and a third air reservoir 303.
In this embodiment, the first air cylinder 301, the second air cylinder 302, and the third air cylinder 303 are respectively disposed in the installation cavity 101, and the dryer 300 is disposed on the control board 102.
The actual control objects of the first air cylinder 301, the second air cylinder 302 and the third air cylinder 303 are different, and the purpose of adopting three air cylinders is to balance the air pressure delivered to the control object.
It should be appreciated that EBS systems are contemplated as being subject to detection, wherein some of the functional components are configured to control the flow of compressed air, and wherein other of the functional components are configured to receive compressed air to generate power; for example: the two-way check valve and the ABS solenoid valve in the EBS system are respectively used for controlling the flowing state of compressed air, and the front brake chamber and the rear brake chamber are respectively used for receiving the compressed air to generate power.
Preferably, in this embodiment, referring to fig. 5, the movable testing device for detecting the EBS system of the commercial vehicle further includes a new energy air compressor 304;
the new energy air compressor 304 at least adopts electric energy to work, and the new energy air compressor 304 is communicated with the input interface through a pipeline.
In some commercial vehicle assembly scenarios, there is no pipeline for delivering compressed air at the assembly station of the commercial vehicle, which causes the problem that the assembly station does not have a compressed air source.
For the above-mentioned problem that the assembly station does not have a compressed air source, in this embodiment, a new energy air compressor 304 is used to configure an air source for the assembly station.
The new energy compressor is at least driven by electric energy and comprises a compressor powered by industrial voltage, a compressor powered by mains voltage, a compressor powered by direct current power supply, a compressor powered by battery and the like.
The new energy compressor is disposed in the installation cavity 101 of the stand 1, specifically, the installation cavity 101 of the stand 1 may be layered, for example: along the vertical direction, the installation cavities 101 are provided as an upper installation cavity 101 and a lower installation cavity 101, the upper installation cavity 101 is mainly used for providing some functional components of the EBS system, so that the operation of staff is facilitated, and the lower installation cavity 101 can be used for providing at least a new energy compressor and the first air reservoir 301, the second air reservoir 302 and the third air reservoir 303.
It should be understood that the specific structure of the new energy compressor is not a matter of protection of the present embodiment, and any structure of the new energy compressor in the prior art may be applied to the technical solution of the present embodiment, as long as the new energy compressor in the prior art has a suitable volume and can be accommodated in the installation cavity 101 of the stand 1 of the present embodiment.
Further, in this embodiment, referring to fig. 5, the mobile test device for detecting the EBS system of the commercial vehicle, the test system module further includes a front axle single channel module 305 and a rear axle dual channel module 306;
the first air cylinder 301 is communicated with the front axle single-channel module 305 through a pipeline;
the second air reservoir 302 is in communication with the rear axle dual channel module 306 via a conduit.
Further, in this embodiment, referring to fig. 5, the movable test device for detecting the EBS system of the commercial vehicle, the test system module 3 further includes a front axle brake chamber and a rear axle brake chamber;
the front axle single-channel module 305 is communicated with the front axle brake chamber 307 through a pipeline;
the rear axle dual channel module 306 is in communication with a rear axle brake chamber 308 via a conduit.
In this embodiment, a front axle single channel module 305 and a rear axle dual channel module 306 are respectively disposed in the mounting cavity 101, and a front axle brake chamber 307 and a rear axle brake chamber 308 are respectively disposed in the mounting cavity 101.
The primary function of the front axle single channel module 305 is to control the delivery of compressed air to the front axle brake chamber 307; the electromagnetic valve assembly is arranged in the front axle single-channel module 305, and when the electromagnetic valve assembly receives an opening signal, the front axle single-channel module 305 is in a conducting state, so that compressed air can flow through the inside of the front axle single-channel module 305 and be discharged out of the front axle single-channel module 305 and then conveyed to the front axle brake air chamber 307; when the solenoid valve assembly loses the opening signal, the front axle single channel module 305 is in a cut-off state, so that compressed air cannot flow through the front axle single channel module 305.
The main functions and structures of the rear axle dual channel module 306 are similar to those of the front axle single channel module 305 described above, and will not be described again. The actual differences between the rear axle dual channel module 306 and the front axle single channel module 305 are: the object to which the rear axle dual channel module 306 delivers compressed air is a rear axle brake chamber 308.
The front axle brake chamber 307 is actually part of the brakes of the commercial vehicle; the brake of the commercial vehicle further comprises a brake caliper and a brake disc, and when the front axle brake chamber 307 receives compressed air to generate braking power, the braking power is used for driving the brake caliper, so that the brake caliper clamps the brake disc to form braking action; conversely, when the front axle brake chamber 307 loses compressed air, the brake caliper separates from the brake disc under its own spring or oil pressure.
The actual structure and function of the rear axle brake chamber 308 is identical to the structure and function of the front axle brake chamber 307 and will not be described again.
Further, in this embodiment, referring to fig. 5, the movable test device for detecting the EBS system of the commercial vehicle, the test system module 3 further includes a hand brake valve 309, a parking relay valve 310, a control connector 311, and an energy supply connector 312;
the third air reservoir 303 is respectively communicated with a hand brake valve 309 and a parking relay valve 310 through pipelines;
when the trailer valve in the EBS system is disposed on the gantry 1, the third air cylinder 303 is connected to the trailer valve through a pipeline, and the trailer valve is respectively connected to the rear axle dual-channel module 306, the hand brake valve 309, the control joint 311 and the energy supply joint 312 through pipelines;
the hand brake valve 309 and the park relay valve 310 are in communication via a pipeline, and the park relay valve 310 is in communication with the rear axle brake chamber 308 via a pipeline.
In the present embodiment, the hand brake valve 309, the parking relay valve 310, the control joint 311, and the power supply joint 312 are provided on the control board 102, respectively.
Among other things, the hand brake valve 309 and the park relay valve 310 each have the function of directing compressed air to the control joint 311 and the supply joint 312, with the compressed air being exhausted through the control joint 311 and/or the supply joint 312.
It should be appreciated that in the field of commercial vehicles, one of which includes two parts, a tractor and a trailer; the aforementioned brake having the front axle brake chamber 307 and the brake having the rear axle brake chamber 308 are provided on the tractor, respectively, so that the tractor can obtain a braking function; however, the trailer also needs to be provided with a brake; therefore, in the actual test of the EBS system, if the EBS system has relevant functional components applied to the trailer, the test is also required; the control connector 311 and the power connector 312 are each connected to the EBS system with associated features for use with the trailer for testing purposes.
Further, in this embodiment, referring to fig. 5, the movable test device for detecting the EBS system of the commercial vehicle, the test system module 3 further includes a first two-way check valve 313 and a second two-way check valve 314;
when the brake signal generator in the EBS system is disposed on the gantry 1, the first air cylinder 301 and the second air cylinder 302 are respectively connected to the brake signal generator through a pipeline, and the brake signal generator is respectively connected to the first two-way check valve 313 and the second two-way check valve 314 through a pipeline;
the first two-way check valve 313 is communicated with the front axle single-channel module 305 through a pipeline;
the second two-way check valve 314 is in communication with the rear axle dual channel module 306 via a conduit.
In this embodiment, the first two-way check valve 313 and the second two-way check valve 314 may be provided on the control board 102 or in the installation cavity 101 as required.
The specific structure of the two-way check valve is common knowledge known to those skilled in the art, and will not be described here.
The first two-way check valve 313 and the second two-way check valve 314 function as: in the process of testing the EBS system, the first two-way check valve 313 separates two air pressures, one of which is used as the power air pressure of the brake, and the other of which is used as the control air pressure of the brake; the second two-way check valve 314 functions the same as the first two-way check valve 313, except for the actual controlled brake.
Further, in this embodiment, referring to fig. 5, the movable test device for detecting the EBS system of the commercial vehicle, the test system module further includes a brake pedal assembly 315;
the first air reservoir 301 and the second air reservoir 302 are respectively communicated with the brake pedal assembly 315 through pipelines;
the brake pedal assembly 315 is in communication with the first two-way check valve 313 and the second two-way check valve 314, respectively, via tubing.
In this embodiment, a brake pedal assembly 315 is disposed within the mounting cavity 101. Specifically, it has been proposed in the foregoing solution that the mounting cavity 101 is configured as an upper mounting cavity and a lower mounting cavity, where the lower mounting cavity is used for setting the brake pedal assembly 315, so that a worker can tread the brake pedal assembly 315, correspondingly, a mounting opening is provided on the control board 102, and a cover plate capable of being opened and closed is provided at the mounting opening, and in actual use, the cover plate is opened relative to the control board 102, so that the foot of the worker can extend into the mounting opening to tread the brake pedal assembly 315.
In the foregoing arrangement regarding the first two-way check valve 313 and the second two-way check valve 314, the air pressure of one of the first two-way check valve 313 and the second two-way check valve 314 is derived from the brake pedal assembly 315, respectively, and the air pressure of the other of the two-way check valves is the control air pressure.
When the brake signal generator of the EBS system is disposed on the stand 1, in the foregoing solution related to the first two-way check valve 313 and the second two-way check valve 314, the air pressure of the other one of the first two-way check valve 313 and the second two-way check valve 314 is respectively from the brake signal generator, and the air pressure of the other one of the two-way check valves is the power air pressure.
The specific structure of the brake pedal assembly 315 may be that of the brake pedal assembly 315 of the prior art; for example: the brake pedal assembly 315 includes a pedal, a positioning shaft, a built-in signal generator and a return spring, wherein one end of the pedal is used for being stepped on by a worker, the other end of the pedal is movably connected with the built-in signal generator, the pedal rotates through the positioning shaft, when the pedal is stepped on, the built-in signal generator is triggered to generate a displacement signal when the pedal rotates along a first direction, at the moment, the return spring is stretched or compressed, when the pedal loses the acting force of being stepped on, the pedal rotates along a second direction under the action of the return spring, and the built-in signal generator interrupts outputting the displacement signal; the built-in signal generator has an input port for communicating with the second air reservoir 302 and an output port for communicating with the front axle single channel module 305 and the rear axle dual channel module 306, and compressed air flows through the built-in signal generator to reach the front axle single channel module 305 and the rear axle dual channel module 306 when the input port and the output port are communicated, so that the compressed air acts on the front axle single channel module 305 and the rear axle dual channel module 306 to form a control air pressure.
Further, in this embodiment, referring to fig. 5, the movable test device for detecting the EBS system of the commercial vehicle, the test system module further includes a bidirectional working cylinder 316;
the double acting cylinder 316 is used to control the brake signal generator.
In this embodiment, a double acting cylinder 316 is provided in the mounting chamber 101.
The specific structure of the bidirectional working cylinder 316 is known to those skilled in the art, and will not be described here.
The bidirectional working cylinder 316 has the function that after receiving the control signal, the bidirectional working cylinder 316 starts to drive the brake signal generator to work, so that in the actual test process, the EBS system is inflated and exhausted according to the preset conditions, wherein the inflation speed and the exhaust speed can be controlled by the combination of the bidirectional working cylinder 316 and the brake signal generator, and finally, the purpose of checking the reliability of the EBS system is achieved.
Further, in this embodiment, referring to fig. 5, the movable test device for detecting the EBS system of the commercial vehicle, the test system module further includes a rim 317 and a motor 318;
when the ECU controller of the EBS system is disposed on the stage 1, the ECU controller is electrically connected with the control joint 311 and the motor 318, respectively;
the motor 318 is used to drive the rim 317.
In this embodiment, the rim 317 and the motor 318 are disposed within the mounting cavity 101, respectively.
When the motor 318 is started upon receiving the operating voltage, the motor 318 drives the rim 317 to rotate, and a wheel speed sensor disposed at the rim 317 can measure the rotational speed of the rim 317, thereby generating a rotational speed electrical signal of the rim 317, which is one of important parameters in testing the EBS system. The combination of motor 318 and rim 317 is intended to simulate the operation of a commercial vehicle in a test EBS system for testing purposes in a number of scenarios.
In addition to the foregoing, referring to fig. 1 or 2 or 4, the stand 1 is provided with a transparent cover plate 103 that can be opened and closed;
the transparent cover plate 103 is used for covering the mounting cavity 101, wherein the transparent cover plate 103 is made of at least transparent material. Transparent materials include, but are not limited to: glass, plastic, etc.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.
Claims (10)
1. The movable test device for detecting the EBS system of the commercial vehicle is characterized by comprising a rack, universal wheels and a test system module;
at least four universal wheels are arranged at the bottom of the rack;
the rack comprises a mounting cavity and a control plate, the control plate is positioned at the side part of the mounting cavity, the control plate is positioned above the tops of all the universal wheels, and the control plate protrudes out of the mounting cavity along the vertical direction;
wherein a part of the test system modules are arranged in the mounting cavity, and the rest of the test system modules are arranged on the control board.
2. The mobile test device for detecting an EBS system of a commercial vehicle of claim 1, wherein said test system module includes a dryer, a first air reservoir, a second air reservoir, and a third air reservoir;
the dryer is provided with an input interface and an output interface, wherein the output interface is respectively communicated with the first air reservoir, the second air reservoir and the third air reservoir.
3. The mobile test device for detecting an EBS system of a commercial vehicle according to claim 2, further comprising a new energy air compressor;
the new energy air compressor at least adopts electric energy to work, and is communicated with the input interface through a pipeline.
4. The mobile test device for detecting an EBS system of a commercial vehicle according to claim 2, wherein said test system module further comprises a front axle single channel module and a rear axle dual channel module;
the first air cylinder is communicated with the front axle single-channel module through a pipeline;
the second air cylinder is communicated with the rear axle double-channel module through a pipeline.
5. The mobile test device for detecting an EBS system of a commercial vehicle of claim 4, wherein said test system module further comprises a front axle brake chamber and a rear axle brake chamber;
the front axle single-channel module is communicated with the front axle brake air chamber through a pipeline;
the rear axle double-channel module is communicated with the rear axle brake air chamber through a pipeline.
6. The mobile test device for detecting an EBS system of a commercial vehicle of claim 5, wherein said test system module further comprises a hand brake valve, a park relay valve, a control connector, and an energizing connector;
the third air cylinder is respectively communicated with the hand brake valve and the parking relay valve through pipelines;
when a trailer valve in the EBS system is arranged on the rack, the third air cylinder is communicated with the trailer valve through a pipeline, and the trailer valve is respectively communicated with the rear axle double-channel module, the hand brake valve, the control joint and the energy supply joint through pipelines;
the hand brake valve is communicated with the parking relay valve through a pipeline, and the parking relay valve is communicated with the rear axle brake air chamber through a pipeline.
7. The mobile test device for detecting an EBS system of a commercial vehicle of claim 6, wherein said test system module further comprises a first two-way check valve and a second two-way check valve;
when a brake signal generator in the EBS system is arranged on the rack, the first air reservoir and the second air reservoir are respectively communicated with the brake signal generator through pipelines, and the brake signal generator is respectively communicated with the first two-way check valve and the second two-way check valve through pipelines;
the first two-way check valve is communicated with the front axle single-channel module through a pipeline;
the second two-way check valve is communicated with the rear axle double-channel module through a pipeline.
8. The mobile test device for detecting an EBS system of a commercial vehicle of claim 7, wherein said test system module further comprises a brake pedal assembly;
the first air reservoir and the second air reservoir are respectively communicated with the brake pedal assembly through pipelines;
the brake pedal assembly is respectively communicated with the first two-way check valve and the second two-way check valve through pipelines.
9. The mobile test device for detecting an EBS system of a commercial vehicle of claim 7, wherein said test system module further comprises a bi-directional working cylinder;
the bidirectional working cylinder is used for controlling the braking signal generator.
10. The mobile test device for detecting an EBS system of a commercial vehicle of claim 7, wherein said test system module further comprises a control joint, a rim, and a motor;
when the ECU controller of the EBS system is arranged on the rack, the ECU controller is respectively and electrically connected with the control joint and the motor;
the motor is used for driving the rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221884467.3U CN218937779U (en) | 2022-07-20 | 2022-07-20 | Movable test device for detecting an EBS system of a commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221884467.3U CN218937779U (en) | 2022-07-20 | 2022-07-20 | Movable test device for detecting an EBS system of a commercial vehicle |
Publications (1)
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| CN218937779U true CN218937779U (en) | 2023-04-28 |
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| CN202221884467.3U Active CN218937779U (en) | 2022-07-20 | 2022-07-20 | Movable test device for detecting an EBS system of a commercial vehicle |
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| CN (1) | CN218937779U (en) |
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