Airborne pneumatic accessory rapid connection testing device

Abstract

The utility model discloses an airborne pneumatic accessory rapid connection testing device, which belongs to the technical field of product detection and comprises a testboard all-in-one machine and a clamping assembly. Four groups of modules are arranged on the lower portion of the front panel of the test board all-in-one machine, a pressure reducing valve is installed on each group of modules, an STAUBL quick connector and a DIN pressure measuring connector are installed on each group of modules, a pressure sensor and a differential pressure sensor are installed on the right side of the front panel of the test board all-in-one machine, and the differential pressure sensor is installed on the right side of the front panel of the test board all-in-one machine. According to the utility model, the movable clamping plate is driven by the adjusting screw rod to move, and the distance between the movable clamping plate and the fixed clamping plate is adjusted, so that the pneumatic accessory to be tested is conveniently clamped and fixed, then the pneumatic accessory is moved to the lower part of the module, the pneumatic accessory is conveniently and quickly connected with the module, and the displacement of the pneumatic accessory after the pneumatic accessory falls off from the module can be avoided.

Description

Technical Field

[0001] This utility model relates to the field of product testing technology, specifically to a quick connection testing device for airborne pneumatic accessories. Background Technology

[0002] Testing airborne pneumatic accessories for civil aircraft often requires the provision of various specific pressure air sources with the ability to display pressure values. It also necessitates measuring the pressure and differential pressure of the compressed air output after passing through the pneumatic accessories. Some tests also require measuring the temperature of the test gas. Currently, this is mainly achieved by connecting pneumatic pipelines and linking independent pressure gauges or pressure sensors with display instruments and temperature measuring equipment as required.

[0003] Traditional test benches connect equipment and pneumatic accessories via pipelines without limiting structures. When the pneumatic accessories are ventilated or de-ventilated, the pipelines and accessories are prone to vibration due to air explosions. Furthermore, if the pneumatic accessories detach from the pipelines, the detached pipelines and accessories can pose a safety threat to surrounding personnel, resulting in insufficient safety performance of the test equipment. Utility Model Content

[0004] The purpose of this invention is to provide a quick connection and testing device for airborne pneumatic accessories. The device can clamp and fix the pneumatic accessory to be tested through a clamping assembly, and can also be adjusted according to the position of the pneumatic accessory to avoid accidents, thereby solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a rapid connection testing device for airborne pneumatic accessories, comprising:

[0006] Test bench integrated machine and clamping components;

[0007] The lower part of the front panel of the integrated test bench is provided with four modules. Each module is equipped with a pressure reducing valve, a STAUBL quick connector and a DIN pressure test connector. A pressure sensor and a differential pressure sensor are installed on the right side of the front panel of the integrated test bench.

[0008] The clamping assembly includes a movable base, a fixed clamping plate fixed on one side of the top of the movable base, and a movable clamping plate movably disposed on the other side of the top of the movable base. A threaded sleeve is fixed at the center of the fixed clamping plate, and an adjusting screw is threadedly connected to the inner cavity of the threaded sleeve. One end of the adjusting screw is rotatably connected to the movable clamping plate through a bearing. The fixed clamping plate and the movable clamping plate are located below the STAUBL quick connector.

[0009] Preferably, the front end of the integrated test bench is equipped with a fixed frame, the movable base is movably disposed within the fixed frame, the movable base has two sets of through holes inside, and the inner cavity of the through holes is slidably connected with a limit strip. The limit strip is fixed in the fixed frame by a fixed post, and the outer side of the movable base is threaded with a locking bolt. One end of the locking bolt passes through the through hole and fits against the limit strip.

[0010] Preferably, the top of the movable base is provided with two sets of sliding grooves, and the bottom of the movable clamp is fixed with two sets of sliders, which are slidably disposed inside the sliding grooves.

[0011] Preferably, a buffer spring is sleeved on the outer side of the fixed column, and one end of the buffer spring is fixedly connected to the inner wall of the fixed frame.

[0012] Preferably, a mounting bracket is fixed to the bottom of the fixed frame, the back of the mounting bracket is attached to the outside of the integrated test bench, the mounting bracket is threaded with mounting screws, and the integrated test bench has threaded holes for use with the mounting screws.

[0013] Preferably, a support frame is fixed to the bottom of the side wall of the fixed clamping plate and the movable clamping plate, and the bottom of the support frame is attached to the top of the movable base.

[0014] Preferably, a support plate is installed at the front end of the integrated test bench, and a control keyboard and mouse are placed on the support plate. A display screen is also provided at the front end of the integrated test bench.

[0015] Preferably, the fixed clamp and the movable clamp have anti-slip textures on opposite sides, and the side wall of the integrated test bench is equipped with a temperature sensor interface and two air inlets.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. This utility model uses an adjusting screw to move a movable clamping plate, adjusting the distance between the movable clamping plate and the fixed clamping plate, which facilitates the clamping and fixing of the pneumatic accessory to be tested. Then, the pneumatic accessory is moved to the bottom of the module for quick connection with the module, and displacement is prevented after the pneumatic accessory falls off the module.

[0018] 2. This utility model uses a mounting bracket and a fixing frame to install the clamping component on the integrated test bench, which facilitates disassembly and use. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a partial three-dimensional structural diagram of the present invention;

[0021] Figure 3 This is a three-dimensional structural diagram of the fixing frame and mounting bracket of this utility model;

[0022] Figure 4 This is a schematic diagram of the integrated test bench structure of this utility model.

[0023] The diagram shows the following components: 1. Integrated test bench; 2. Clamping assembly; 201. Movable base; 202. Fixed clamping plate; 203. Movable clamping plate; 204. Threaded sleeve; 205. Adjusting screw; 3. Module; 4. STAUBL quick connector; 5. DIN pressure test connector; 6. Pressure sensor; 7. Differential pressure sensor; 8. Fixed frame; 9. Limiting strip; 10. Fixed column; 11. Locking bolt; 12. Slide groove; 13. Slider; 14. Buffer spring; 15. Mounting bracket; 16. Mounting screw; 17. Support frame; 18. Support plate; 19. Control keyboard; 20. Mouse; 21. Display screen; 22. Temperature sensor interface; 23. Air inlet. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] This utility model provides, for example Figures 1-4 The airborne pneumatic accessory quick connection test device shown includes:

[0026] Test bench integrated machine 1 and clamping assembly 2;

[0027] The lower part of the front panel of the test bench integrated machine 1 is equipped with four modules 3. Each module 3 is equipped with a pressure reducing valve, a STAUBL quick connector 4 and a DIN pressure test connector 5. A pressure sensor 6 and a differential pressure sensor 7 are installed on the right side of the front panel of the test bench integrated machine 1.

[0028] The clamping assembly 2 includes a movable base 201, a fixed clamping plate 202 fixed on one side of the top of the movable base 201, and a movable clamping plate 203 movably disposed on the other side of the top of the movable base 201. A threaded sleeve 204 is fixed at the center of the fixed clamping plate 202. An adjusting screw 205 is threadedly connected to the inner cavity of the threaded sleeve 204. One end of the adjusting screw 205 is rotatably connected to the movable clamping plate 203 through a bearing. The fixed clamping plate 202 and the movable clamping plate 203 are located below the STAUBL quick connector 4.

[0029] By using the adjusting screw 205 to move the movable clamping plate 203, the distance between the movable clamping plate 203 and the fixed clamping plate 202 is adjusted, which facilitates the clamping and fixing of the pneumatic accessory to be tested. Then, the pneumatic accessory is moved to the bottom of the module 3, which facilitates quick connection with the module 3 and avoids displacement after the pneumatic accessory falls off the module 3.

[0030] Among them, such as Figure 2 As shown:

[0031] The front end of the test bench integrated machine 1 is equipped with a fixed frame 8, and the movable base 201 is movably set in the fixed frame 8. The movable base 201 has two sets of through holes inside, and the inner cavity of the through holes is slidably connected to a limit strip 9. The limit strip 9 is fixed in the fixed frame 8 by a fixed post 10. The outer side of the movable base 201 is threaded with a locking bolt 11. One end of the locking bolt 11 passes through the through hole and fits against the limit strip 9. The limit strip 9 slides in the through hole, which facilitates the movable base 201 to be movably set in the fixed frame 8. The position of the movable base 201 can be adjusted in conjunction with the locking bolt 11.

[0032] Furthermore, such as Figure 2 As shown:

[0033] The top of the movable base 201 is provided with two sets of sliding grooves 12, and the bottom of the movable clamping plate 203 is fixed with two sets of sliders 13. The sliders 13 are slidably disposed inside the sliding grooves 12. By sliding the sliders 13 inside the sliding grooves 12, the movable clamping plate 203 is limited to prevent it from shaking up and down, which would prevent the pneumatic accessories from being clamped and fixed.

[0034] Preferred, such as Figure 2 As shown:

[0035] A buffer spring 14 is fitted on the outer side of the fixed column 10. One end of the buffer spring 14 is fixedly connected to the inner wall of the fixed frame 8. The buffer spring 14 facilitates the buffering of the movable base 201, preventing the movable base 201 from sliding on the limit strip 9 in the event of an accident, reducing the impact of the movable base 201 on the fixed frame 8, and absorbing the impact force.

[0036] It is worth noting that, such as Figure 3 As shown:

[0037] The bottom of the fixed frame 8 is fixed with a mounting bracket 15. The back of the mounting bracket 15 is attached to the outside of the test bench integrated machine 1. The mounting bracket 15 is threaded with mounting screws 16. The test bench integrated machine 1 has threaded holes that cooperate with the mounting screws 16. By cooperating with the mounting bracket 15, the fixed frame 8 can be easily installed on the outside of the test bench integrated machine 1.

[0038] In a further preferred embodiment, such as Figure 2 As shown:

[0039] A support frame 17 is fixed to the bottom of the side wall of the fixed clamping plate 202 and the movable clamping plate 203. The bottom of the support frame 17 is attached to the top of the movable base 201. With the cooperation of the support frame 17, the movable clamping plate 203 and the fixed clamping plate 202 are easily supported, and the fixed clamping plate 202 and the movable clamping plate 203 are prevented from tilting outward when the movable clamping plate 203 is clamped under pressure on the pneumatic accessory. This is used to provide stable support for the fixed clamping plate 202 and the movable clamping plate 203.

[0040] In addition, such as Figure 1 and Figure 4 As shown:

[0041] The front end of the test bench 1 is equipped with a support plate 18, on which a control keyboard 19 and a mouse 20 are placed. The front end of the test bench 1 is equipped with a display screen 21. The support plate 18 facilitates the storage of the control keyboard 19 and mouse 20, while the display screen 21 displays the data.

[0042] In this embodiment, as Figure 1 and Figure 4 As shown:

[0043] The fixed clamp 202 and the movable clamp 203 have anti-slip textures on their opposite sides. The side wall of the test bench 1 is equipped with a temperature sensor interface 22 and two air inlets 23, one for low pressure and the other for high pressure. The anti-slip textures increase the stability of the pneumatic accessories held by the movable clamp 203 and the fixed clamp 202. The temperature sensor interface 22 facilitates the connection of a temperature sensor to monitor the temperature in the air circuit.

[0044] In practical use, the pneumatic accessory to be tested is placed between the fixed clamping plate 202 and the movable clamping plate 203. The adjusting screw 205 is rotated, and then the adjusting screw 205 drives the movable clamping plate 203 to clamp the pneumatic accessory. Then, the movable base 201 is moved, and with the cooperation of the limit strip 9, the position between the pneumatic accessory and the different modules 3 is adjusted. After the pneumatic accessory is connected to the module 3, the pneumatic accessory is fixed. Then, the locking bolt 11 is tightened to fix the movable base 201, realizing the connection between the pneumatic accessory and the module 3. The pneumatic accessory is tested as needed. When the pneumatic accessory is separated from the module 3, the fixed clamping plate 202 and the movable clamping plate 203 restrict the movement of the pneumatic accessory. Even if the movable base 201 slides on the limit strip 9, the movable base 201 is decelerated by the buffer spring 14 before contacting the fixed frame 8, absorbing the impact force, which can effectively protect safety.

[0045] The integrated test bench 1 includes a data acquisition card, pressure and temperature sensors, and stainless steel tubing. The stainless steel tubing has a diameter of 8mm, and the connectors conform to DIN standards.

[0046] The output air path at the bottom of the front panel of the integrated test bench 1 includes 4 modules 3, each module 3 is controlled by a pressure reducing valve, and each module 3 is equipped with a STAUBL quick connector 4 and a DIN pressure test connector 5.

[0047] Two power switches are located on the upper left side of the front panel: the upper one is the main power switch, and the lower one is the computer power switch. The display screen 21 is used for centralized display of test pressure and temperature data, and is controlled by a touchscreen. It has the built-in graphical programming software LABVIEW, with pre-edited data acquisition, serial port control, and data display software. Users can also perform secondary development work by programming data analysis and data graph creation based on the acquired data. On the right side is the pressure input connector, which can measure the pressure of the test bench's output gas path or the external gas pressure. There are four pressure sensors 6, with ranges of two 0-25 bar and two 0-10 bar; and one differential pressure sensor 7, with a range of 0-1500 mbar. The differential pressure sensor 7 has two interfaces: one connected to the high-pressure side and one connected to the low-pressure side. The maximum pressure withstand value of the differential pressure sensor 7 is 4 MPa.

[0048] The differential pressure sensor 7 test is divided into three cases: 1. differential pressure test, 2. pressure test alone, and 3. vacuum load test.

[0049] The maximum pressure of the high-pressure inlet 23 is 14 MPa, and the maximum pressure of the low-pressure inlet 23 is 3.5 MPa.

[0050] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rapid connection testing device for airborne pneumatic accessories, characterized in that, include: Test bench integrated machine (1) and clamping assembly (2); The lower part of the front panel of the test bench integrated machine (1) is provided with four modules (3), each module (3) is equipped with a pressure reducing valve, each module (3) is equipped with a STAUBL quick connector (4) and a DIN pressure test connector (5), and a pressure sensor (6) and a differential pressure sensor (7) are installed on the right side of the front panel of the test bench integrated machine (1). The clamping assembly (2) includes a movable base (201), a fixed clamping plate (202) is fixed on one side of the top of the movable base (201), and a movable clamping plate (203) is movably arranged on the other side of the top of the movable base (201). A threaded sleeve (204) is fixed at the center of the fixed clamping plate (202). An adjusting screw (205) is threadedly connected to the inner cavity of the threaded sleeve (204). One end of the adjusting screw (205) is rotatably connected to the movable clamping plate (203) through a bearing. The fixed clamping plate (202) and the movable clamping plate (203) are located below the STAUBL quick connector (4).

2. The airborne pneumatic accessory quick connection test device according to claim 1, characterized in that: The front end of the test bench integrated machine (1) is equipped with a fixed frame (8), and the movable base (201) is movably set in the fixed frame (8). The movable base (201) has two sets of through holes inside, and the inner cavity of the through holes is slidably connected to a limit strip (9). The limit strip (9) is fixed in the fixed frame (8) by a fixed column (10). The outer side of the movable base (201) is threaded with a locking bolt (11). One end of the locking bolt (11) passes through the through hole and fits against the limit strip (9).

3. The airborne pneumatic accessory quick connection test device according to claim 1, characterized in that: The top of the movable base (201) is provided with two sets of sliding grooves (12), and the bottom of the movable clamp (203) is fixed with two sets of sliders (13), which are slidably disposed inside the sliding grooves (12).

4. The airborne pneumatic accessory quick connection test device according to claim 2, characterized in that: A buffer spring (14) is sleeved on the outside of the fixed column (10), and one end of the buffer spring (14) is fixedly connected to the inner wall of the fixed frame (8).

5. The airborne pneumatic accessory quick connection test device according to claim 2, characterized in that: The bottom of the fixed frame (8) is fixed with a mounting bracket (15). The back of the mounting bracket (15) is attached to the outside of the test bench integrated machine (1). The mounting bracket (15) is threaded with mounting screws (16). The test bench integrated machine (1) has threaded holes that cooperate with the mounting screws (16).

6. The airborne pneumatic accessory quick connection test device according to claim 1, characterized in that: A support frame (17) is fixed to the bottom of the side wall of the fixed clamp (202) and the movable clamp (203), and the bottom of the support frame (17) is attached to the top of the movable base (201).

7. The airborne pneumatic accessory quick connection test device according to claim 1, characterized in that: The front end of the test bench integrated machine (1) is equipped with a support plate (18), on which a control keyboard (19) and a mouse (20) are placed. The front end of the test bench integrated machine (1) is equipped with a display screen (21).

8. The airborne pneumatic accessory quick connection test device according to claim 1, characterized in that: The fixed clamp (202) and the movable clamp (203) have anti-slip textures on their opposite sides, and the test bench integrated machine (1) has a temperature sensor interface (22) and two air inlets (23) installed on its side wall.

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