Urea tank support assembly overall performance test equipment

Abstract

The utility model discloses urea tank support assembly overall performance test equipment, which relates to the technical field of urea tank support assemblies, and comprises an outer frame, a test mechanism is arranged on the inner side of the outer frame, and the test mechanism comprises a test switching assembly, a hydraulic telescopic rod, a hydraulic cylinder and a hydraulic cylinder, a rotary clamping rod is rotationally mounted at the tail end of the hydraulic telescopic rod; the impact test assembly is arranged on one side of the test switching assembly and is used for carrying out impact test on the urea tank support assembly; the vibration test assembly solves the problem that when a urea tank support assembly is specifically tested at present, different scene simulations need to be carried out, for example, the impact condition possibly encountered in the vehicle running process or the vibration environment generated in the vehicle running process is simulated, and the vibration resistance of the support assembly is tested. And in the prior art, a mode of detecting the performance of the urea tank bracket assembly one by one is mostly adopted, so that the detection efficiency is low.

Description

Technical Field

[0001] The utility model relates to the technical field of urea tank support assemblies, and particularly to an overall performance testing device for a urea tank support assembly. Background Technique

[0002] In the diesel vehicle emission system, the urea tank and its support assembly play a crucial role. The urea tank is used to store urea solution, which is the key to realizing the selective catalytic reduction (SCR) technology and reducing nitrogen oxide emissions in the exhaust gas. When the exhaust gas passes through the SCR catalyst, the urea solution is sprayed into the catalytic converter, and nitrogen oxides are converted into harmless nitrogen and water through chemical reactions. Therefore, the performance of the urea tank and its support assembly directly affects the emission efficiency and overall operation stability of diesel vehicles. However, in actual applications, the urea tank support assembly may face challenges under various working conditions, such as vibration, impact, temperature change, etc., which will affect the strength, stiffness and durability of the support. In order to ensure that the urea tank support assembly can work properly under various working conditions, it is necessary to conduct a comprehensive performance test on it.

[0003] The reference patent with the name of a urea tank support assembly (publication number: CN212708929U) includes two side supports arranged in parallel. The side support includes a vertical rod and a horizontal rod fixed at one end of the vertical rod. A gantry support arm is fixed on the vertical rod, and a cross beam perpendicular to the vertical rod is fixed between the two vertical rods. It also includes a hoop band, and locking components are respectively arranged at both ends of the hoop band. The locking component includes a fixed block, and mounting cylinders are respectively fixed on two opposite sides of the fixed block. A plug rod slides in the mounting cylinder. A cover is fixed on the side of the mounting cylinder away from the fixed block, and a through hole is opened on the cover. One end of the plug rod extends out of the mounting cylinder from the through hole; a limiting block is fixed at one end of the plug rod located in the mounting cylinder, and a spring for driving the plug rod to extend out of the mounting cylinder is arranged between the limiting block and the fixed block; a pin hole is opened on the support arm, and the plug rods are respectively located in the pin holes; a mounting groove is opened on the horizontal rod, and a jack is opened in the mounting groove.

[0004] Based on the above document, when conducting specific tests on the urea tank support assembly, it is necessary to simulate different scenarios, such as simulating the impact situation that may be encountered during vehicle driving, or simulating the vibration environment generated during vehicle driving to test the anti-vibration performance of the support assembly. Most of the existing technologies adopt the method of detecting the performance of the urea tank support assembly one by one, and the detection efficiency is low. Therefore, the utility model provides an overall performance testing device for a urea tank support assembly. Content of the Utility Model

[0005] In view of the deficiencies of the prior art, the present utility model provides a testing device for the overall performance of a urea tank bracket assembly, which solves the problem that when conducting specific tests on the urea tank bracket assembly, different scenario simulations need to be carried out, such as simulating the impact conditions that may be encountered during vehicle driving, or simulating the vibration environment generated during vehicle driving to test the anti-vibration performance of the bracket assembly. In the prior art, most of them adopt the method of individually detecting the performance of the urea tank bracket assembly, resulting in low detection efficiency.

[0006] To achieve the above objectives, the present utility model is realized through the following technical solutions: A testing device for the overall performance of a urea tank bracket assembly, including an outer frame, and a testing mechanism is arranged inside the outer frame. The testing mechanism includes:

[0007] A testing switching component, arranged on one side of the outer frame, includes a hydraulic telescopic rod fixedly installed on the side wall of the outer frame, and a rotating clamping rod is rotatably installed at the end of the hydraulic telescopic rod;

[0008] An impact testing component, arranged on one side of the testing switching component, and used for conducting impact tests on the urea tank bracket assembly;

[0009] A vibration testing component, arranged inside the outer frame, and used for conducting vibration tests on the urea tank bracket assembly.

[0010] Preferably, the impact testing component includes a first guide rod fixed to the inner wall of one side of the outer frame, and a rack is slidably connected to the first guide rod.

[0011] Preferably, the upper part of the rack is meshed with a gear rotatably assembled on the inner wall of the top of the outer frame, and a first positioning block is fixed to the lower part of the rack, and an impact ram is welded to one side of the gear.

[0012] Preferably, the vibration testing component includes a second guide rod fixedly installed inside the outer frame, a sliding plate is slidably installed on the second guide rod, a second positioning block is fixed to the upper part of one end of the sliding plate, and a roller is rotatably installed at the upper end of the middle part of the sliding plate.

[0013] Preferably, an elastic telescopic rod is fixed to the lower wall of the top end of the outer frame, and an assembly frame is connected to the lower end of the elastic telescopic rod. A plurality of groups of trapezoidal blocks are arranged on the bottom surface of the assembly frame, and the trapezoidal blocks are in contact with the rollers.

[0014] Preferably, when rotating, the rotating clamping rod can be cooperatively clamped into the first positioning block and the second positioning block, and is fixed by inserting a pin.

[0015] Beneficial effects

[0016] The present utility model provides a testing device for the overall performance of a urea tank bracket assembly. Compared with the prior art, it has the following beneficial effects:

[0017] (1) The overall performance testing equipment for the urea tank bracket assembly. The hydraulic telescopic rod pushes the rotating clamping rod and the connected urea tank bracket assembly to move along its axis, causing the first positioning block to drive the rack to slide on the first guide rod. The sliding of the rack drives the gear meshing with it to rotate, thereby driving the impact ram to generate rotational kinetic energy, which is finally converted into linear impact force to conduct an impact test on the urea tank bracket assembly. Through the rotation and repositioning of the rotating clamping rod, it is clamped into the second positioning block and fixed by a pin to prepare for the vibration test. During the vibration test, the skateboard and the upper rollers perform horizontal expansion and contraction under the control of the hydraulic telescopic rod, and the elastic telescopic rod at the top cooperates with it to generate periodic expansion and contraction, driving the assembly frame to vibrate up and down. The trapezoidal block on the bottom surface of the assembly frame contacts the skateboard, transmitting the vibration energy to the assembly frame, and then causing the urea tank bracket assembly to vibrate reciprocally on the second guide rod. Parameters such as the frequency and amplitude of the vibration can be controlled by adjusting the driving source of the elastic telescopic rod to simulate the vibration environment under different working conditions.

[0018] (2) The overall performance testing equipment for the urea tank bracket assembly can be conveniently switched between the impact test component and the vibration test component through the expansion and contraction of the hydraulic telescopic rod and the rotation of the rotating clamping rod to meet different test requirements. After the test is completed, through corresponding operations, the rotating clamping rod is disengaged from the positioning block, and the urea tank bracket assembly is removed from the test mechanism to complete the entire test process. Description of the Drawings

[0019] Figure 1 is the overall structural schematic diagram of the present utility model;

[0020] Figure 2 is the front view structural schematic diagram of the present utility model;

[0021] Figure 3 is the structural schematic diagram of the test mechanism of the present utility model;

[0022] Figure 4 is the sectional view schematic diagram of the elastic telescopic rod of the present utility model.

[0023] In the figure: 1 - outer frame, 2 - test mechanism, 21 - test switching component, 211 - hydraulic telescopic rod, 212 - rotating clamping rod, 22 - impact test component, 221 - first guide rod, 222 - rack, 223 - gear, 224 - impact ram, 225 - first positioning block, 23 - vibration test component, 231 - second guide rod, 232 - skateboard, 233 - second positioning block, 234 - roller, 235 - assembly frame, 236 - trapezoidal block, 237 - elastic telescopic rod. Detailed Embodiment

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figures 1-4 , the present invention provides a technical solution: an overall performance testing device for a urea tank support assembly, including an outer frame 1, a testing mechanism 2 is arranged inside the outer frame 1, and the testing mechanism 2 includes:

[0026] A test switching component 21, arranged on one side of the outer frame 1, includes a hydraulic telescopic rod 211 fixedly installed on the side wall of the outer frame 1, and a rotating clamping rod 212 is rotatably installed at the end of the hydraulic telescopic rod 211;

[0027] An impact testing component 22, arranged on one side of the test switching component 21, and used for performing impact testing on the urea tank support assembly;

[0028] A vibration testing component 23, arranged inside the outer frame 1, and used for performing vibration testing on the urea tank support assembly.

[0029] In this embodiment, the impact testing component 22 includes a first guide rod 221 fixed to the inner wall of one side of the outer frame 1, a rack 222 is slidably connected to the first guide rod 221, a gear 223 rotatably assembled to the inner wall of the top of the outer frame 1 is meshed with the upper part of the rack 222, a first positioning block 225 is fixed to the lower part of the rack 222, an impact ram 224 is welded to one side of the gear 223, and the hydraulic telescopic rod 211 (the specific model of the hydraulic telescopic rod is DYTZ2500. In the retracted state, the pressure in the oil cylinder of the hydraulic telescopic rod is equal to the external pressure, and the piston rod is in the retracted state. When it needs to be extended, the control valve is started to pump the pressure oil into the oil cylinder. As the oil enters the oil cylinder, the liquid pressure in the hydraulic cylinder rises, pushing the piston to move outwards, thereby driving the telescopic rod to extend) pushes the rotating clamping rod 212 and the connected urea tank support assembly to move along its axis, so that the first positioning block 225 drives the rack 222 to slide on the first guide rod 221. The sliding of the rack 222 drives the gear 223 meshed with it to rotate, and further drives the impact ram 224 to generate rotational kinetic energy, which is finally converted into linear impact force to perform impact testing on the urea tank support assembly.

[0030] In this embodiment, the vibration test assembly 23 includes a second guide rod 231 fixedly installed inside the outer frame 1. A slide plate 232 is slidably installed on the second guide rod 231. An upper portion of one end of the slide plate 232 is fixedly provided with a second positioning block 233. A roller 234 is rotatably installed at the upper end of the middle of the slide plate 232. An elastic telescopic rod 237 is fixedly installed on the lower wall of the top end of the outer frame 1. The lower end of the elastic telescopic rod 237 is connected with an assembly frame 235. A plurality of groups of trapezoidal blocks 236 are arranged on the bottom surface of the assembly frame 235. The trapezoidal blocks 236 are in contact with the roller 234. During vibration testing, the slide plate 232 and the upper roller 234 perform horizontal telescoping under the control of the hydraulic telescopic rod 211. The elastic telescopic rod 237 at the top cooperates with it to generate periodic telescoping, driving the assembly frame 235 to vibrate up and down. The trapezoidal blocks 236 on the bottom surface of the assembly frame 235 contact the slide plate 232, transmitting the vibration energy to the assembly frame 235, and further causing the urea tank support assembly to generate reciprocating vibration on the second guide rod 231.

[0031] In this embodiment, when the rotating clamping rod 212 rotates, it can be cooperatively clamped into the first positioning block 225 and the second positioning block 233, and is fixed by inserting a pin. Through the telescoping of the hydraulic telescopic rod 211 and the rotation of the rotating clamping rod 212, it is convenient to switch between the impact test assembly 22 and the vibration test assembly 23 to meet different test requirements.

[0032] Meanwhile, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0033] During operation, the urea tank support assembly to be tested is installed in the test equipment. Specifically, when installing, it is clamped into the assembly frame 235. When impact testing is required, first, the rotating clamping rod 212 is operated to be clamped into the first positioning block 225 and fixed by a pin to ensure that the urea tank support assembly is firmly connected to the impact test assembly 22. The hydraulic telescopic rod 211 pushes the rotating clamping rod 212 and the connected urea tank support assembly to move along its axis, causing the first positioning block 225 to drive the rack 222 to slide on the first guide rod 221. The sliding of the rack 222 drives the gear 223 meshing with it to rotate, and further drives the impact ram 224 to generate rotational kinetic energy, which is finally converted into linear impact force to perform an impact test on the urea tank support assembly. The impact strength and number of times can be controlled by adjusting the stroke and speed of the hydraulic telescopic rod 211 according to the test requirements.

[0034] After completing the impact test, by rotating and repositioning the rotating clamping rod 212, it is clamped into the second positioning clamping block 233 and fixed by a clamping pin, preparing for the vibration test. During the vibration test, the sliding plate 232 and the upper roller 234 perform horizontal telescoping under the control of the hydraulic telescopic rod 211, and the elastic telescopic rod 237 at the top cooperates with it to generate periodic telescoping, driving the assembly frame 235 to vibrate up and down. The trapezoidal block 236 on the bottom surface of the assembly frame 235 contacts the sliding plate 232, transmitting the vibration energy to the assembly frame 235, thereby causing the urea tank support assembly to vibrate reciprocally on the second guide rod 231. Parameters such as the frequency and amplitude of the vibration can be controlled by adjusting the drive source of the elastic telescopic rod 237 to simulate the vibration environment under different working conditions;

[0035] By the telescoping of the hydraulic telescopic rod 211 and the rotation of the rotating clamping rod 212, it is convenient to switch between the impact test assembly 22 and the vibration test assembly 23 to meet different test requirements. After the test is completed, through corresponding operations, the rotating clamping rod 212 is disengaged from the positioning clamping block, and the urea tank support assembly is taken out from the test mechanism 2 to complete the entire test process.

[0036] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0037] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A urea tank bracket assembly overall performance test device, comprising an outer frame (1), characterized in that: A testing mechanism (2) is arranged inside the outer frame (1), and the testing mechanism (2) comprises: The test switching assembly (21) is arranged on one side of the outer frame (1), and comprises a hydraulic telescopic rod (211) fixedly mounted on the side wall of the outer frame (1), and a rotating clamping rod (212) is rotatably mounted on the end of the hydraulic telescopic rod (211); An impact test assembly (22) is arranged on one side of the test switching assembly (21) and is used to perform an impact test on the urea tank bracket assembly; The vibration test assembly (23) is arranged on the inner side of the outer frame (1) and is used to perform an impact vibration test on the urea tank bracket assembly.

2. The urea tank bracket assembly overall performance testing equipment according to claim 1, characterized in that: The impact test assembly (22) comprises a first guide rod (221) fixed to an inner wall of one side of the outer frame (1), and a rack (222) is slidably connected to the first guide rod (221).

3. The urea tank bracket assembly overall performance testing equipment according to claim 2 is characterized by: The upper portion of the rack (222) is meshedly connected with a gear (223) rotatably mounted on the top inner wall of the outer frame (1), and a first positioning block (225) is fixed to the lower portion of the rack (222), and an impact hammer (224) is welded to one side of the gear (223).

4. The urea tank bracket assembly overall performance testing equipment according to claim 3 is characterized by: The vibration test assembly (23) comprises a second guide rod (231) fixedly mounted on the inner side of the outer frame (1), a slide plate (232) being slidably mounted on the second guide rod (231), a second positioning block (233) being fixed on the upper portion of one end of the slide plate (232), and a roller (234) being rotatably mounted on the middle upper portion of the slide plate (232).

5. The urea tank bracket assembly overall performance testing equipment according to claim 4 is characterized by: An elastic telescopic rod (237) is fixed to the lower wall of the top end of the outer frame (1), and the lower end of the elastic telescopic rod (237) is connected to an assembly frame (235). A plurality of groups of trapezoidal blocks (236) are arranged on the bottom surface of the assembly frame (235), and the trapezoidal blocks (236) are in contact with the rollers (234).

6. The urea tank bracket assembly overall performance testing device according to claim 4, characterized in that: The rotating clamping rod (212) can be engaged with and clamped into the first positioning clamping block (225) and the second positioning clamping block (233) when rotating, and can be inserted and fixed by means of a clamping pin.

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