Performance detection device for hydraulic pipe fitting

Abstract

The utility model relates to a performance detection device for a hydraulic pipe fitting, and belongs to the technical field of hydraulic pipe fitting detection. Comprising a base, a water storage tank, a first moving mechanism, a second moving mechanism, an air inlet mechanism, a first sealing block, a first sealing ring, a second sealing block, a second sealing ring and a limiting ring, the water storage tank is arranged in the base, a supporting plate is further installed on the first moving mechanism, a plurality of pipe fitting grooves are formed in the supporting plate, and through holes are formed in the pipe fitting grooves; the pipe fitting is convenient to fix in the detection process, the air tightness of the pipe fitting is convenient to detect, a plurality of pipe fittings can be detected at a time, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydraulic pipe fitting detection, and particularly relates to a performance detection device for hydraulic pipe fittings. Background Art

[0002] Hydraulic pipe fittings are a type of pipe fittings, mainly used in hydraulic systems and are very important spare parts in hydraulic equipment to prevent the leakage of working media and the intrusion of external dust and foreign objects. The damage of hydraulic pipes will not only cause trouble to maintenance, but also cause excessive pressure loss, noise and other adverse phenomena. Therefore, it is necessary to detect the performance of hydraulic pipe fittings before use, and airtightness detection is one of them. The existing airtightness detection devices for hydraulic pipe fittings are not convenient for fixing pipe fittings, are inconvenient for detection, and have low detection efficiency. Therefore, the utility model provides a performance detection device for hydraulic pipe fittings to solve the above problems and improve the detection efficiency. Summary of the Invention

[0003] In order to overcome the problems mentioned in the background art, the utility model provides a performance detection device for hydraulic pipe fittings. The utility model is convenient for fixing pipe fittings during the detection process, is convenient for detecting the airtightness of pipe fittings, and can detect multiple pipe fittings at one time, thereby improving the detection efficiency.

[0004] To achieve the above object, the utility model is realized by the following technical scheme: A performance detection device for hydraulic pipe fittings includes a base 1, a water storage tank 2, a first moving mechanism 3, a second moving mechanism 4, an air inlet mechanism 5, a first sealing block 6, a first sealing ring 7, a second sealing block 8, a second sealing ring 9 and a limiting ring 10. A water storage tank 2 is arranged inside the base 1. An L-shaped baffle 11 is installed at the top of the rear end of the base 1. The first moving mechanism 3 is installed at the bottom of the L-shaped baffle 11. The second moving mechanism 4 is installed on the first moving mechanism 3. A support plate 12 is also installed on the first moving mechanism 3. A plurality of pipe fitting grooves 13 are arranged inside the support plate 12. Through holes 14 are arranged inside the pipe fitting grooves 13. A first sealing block 6 is arranged inside the pipe fitting grooves 13, and a first sealing ring 7 is arranged outside the first sealing block 6 inside the pipe fitting grooves 13. A limiting ring 10 is installed above the pipe fitting grooves 13 on the support plate 12 through a support column. A cover plate 15 is installed on the second moving mechanism 4. A plurality of second sealing blocks 8 are arranged at the bottom of the cover plate 15. A second sealing ring 9 is arranged outside the plurality of second sealing blocks 8. The air inlet mechanism 5 is installed on the second sealing blocks 8.

[0005] Further, the first moving mechanism 3 includes a first electric cylinder 16, a moving plate 17 and a connecting rod 18. The bottom of the first electric cylinder 16 is installed inside the bottom of the L-shaped baffle 11. The moving plate 17 is installed at the telescopic end of the first electric cylinder 16. Connecting rods 18 are installed at both ends of the moving plate 17. The support plate 12 is installed at the other end of the connecting rod 18.

[0006] Further, the second moving mechanism 4 is a second electric cylinder 19. There are two second electric cylinders 19. The bottoms of the two second electric cylinders 19 are installed at the bottom of the moving plate 17. The cover plate 15 is installed at the telescopic end of the second electric cylinder 19.

[0007] Further, the air intake mechanism 5 includes a pneumatic pump 20, an air intake main pipe 21 and air intake branch pipes 22. The pneumatic pump 20 is installed on the top of the L-shaped baffle 11. The air intake branch pipes 22 are hoses. The air intake branch pipes 22 are installed in multiple second sealing blocks 8. One end of the air intake branch pipe 22 is communicated with the air intake main pipe 21. One end of the air intake main pipe 21 is communicated with the pneumatic pump 20.

[0008] Further, sliding grooves 23 are provided on both sides of the water storage tank 2. Both ends of the support plate 12 are slidably installed in the sliding grooves 23.

[0009] Further, a plurality of fixing rings 24 are provided on the front side of the moving plate 17. The air intake branch pipes 22 are located inside the fixing rings 24.

[0010] Further, the front side of the base 1 is made of a transparent material. A water outlet pipe 25 is provided on one side of the water storage tank 2.

[0011] Further, the performance detection device for the hydraulic pipe fittings includes a display screen 26, a pneumatic pump switch button 27, a first electric cylinder lifting button 28, a second electric cylinder lifting button 29, a device switch button 30 and a controller 31. A bottom plate 32 is installed on the front side of the L-shaped baffle 11. The display screen 26, the pneumatic pump switch button 27, the first electric cylinder lifting button 28, the second electric cylinder lifting button 29 and the device switch button 30 are all installed on the front side of the bottom plate 32. The controller 31 is installed on the rear side of the bottom plate 32. The first electric cylinder 16, the second electric cylinder 19, the pneumatic pump 20, the display screen 26, the pneumatic pump switch button 27, the first electric cylinder lifting button 28, the second electric cylinder lifting button 29 and the device switch button 30 are all electrically connected to the controller 31.

[0012] The beneficial effects of the present utility model:

[0013] In this utility model, one end of a hydraulic pipe fitting is placed in a pipe fitting groove through a limiting ring to facilitate fixing the pipe fitting. The port of the pipe fitting is located between the first sealing block and the first sealing ring, blocking and sealing the port of the pipe fitting. The first sealing ring is located outside the port of the hydraulic pipe fitting to enhance the sealing performance. After placing the pipe fitting, the cover plate is driven to move downward by the second electric cylinder, and the other port of the pipe fitting is blocked and sealed by the second sealing block and the second sealing ring. Then, the pipe fitting is moved downward into the liquid storage tank by the first electric cylinder, and air is inflated into the pipe fitting through the air intake mechanism. If the air tightness of the pipe fitting is poor and there is a leakage situation, the gas will contact the water through the gap, resulting in water bubbles. At this time, the air tightness of the pipe fitting is insufficient. When no water bubbles appear, it proves that the air tightness of the pipe fitting is good; during the detection process, it is convenient to fix the pipe fitting, convenient to detect the air tightness of the pipe fitting, and multiple pipe fittings can be detected at one time, improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present utility model.

[0015] Figure 2 is a schematic cross-sectional view of the internal structure of the present utility model.

[0016] Figure 3 is Figure 2 an enlarged schematic view of the structure of part A in

[0017] Figure 4 a schematic structural diagram of the present utility model.

[0018] Reference numerals: In the figure, base 1, water storage tank 2, first moving mechanism 3, second moving mechanism 4, air intake mechanism 5, first sealing block 6, first sealing ring 7, second sealing block 8, second sealing ring 9, limiting ring 10, L-shaped baffle 11, support plate 12, pipe fitting groove 13, through hole 14, cover plate 15, first electric cylinder 16, moving plate 17, connecting rod 18, second electric cylinder 19, air pressure pump 20, air intake main pipe 21, air intake branch pipe 22, sliding groove 23, fixing ring 24, water outlet pipe 25, display screen 26, air pressure pump switch button 27, first electric cylinder lifting button 28, second electric cylinder lifting button 29, device switch button 30, controller 31, bottom plate 32, hydraulic pipe fitting 33. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] In order to make the purpose, technical solutions and beneficial effects of the present utility model clearer, the preferred embodiments of the present utility model will be described in detail below in conjunction with the drawings for the convenience of those skilled in the art to understand.

[0020] Such as Figures 1-4, the utility model discloses a performance detection device for hydraulic pipe fittings. The performance detection device for hydraulic pipe fittings includes a base 1, a water storage tank 2, a first moving mechanism 3, a second moving mechanism 4, an air inlet mechanism 5, a first sealing block 6, a first sealing ring 7, a second sealing block 8, a second sealing ring 9 and a limiting ring 10. A water storage tank 2 is arranged inside the base 1. An L-shaped baffle 11 is installed at the top of the rear end of the base 1. The first moving mechanism 3 is installed at the bottom of the L-shaped baffle 11. The second moving mechanism 4 is installed on the first moving mechanism 3. A support plate 12 is also installed on the first moving mechanism 3. A plurality of pipe fitting grooves 13 are arranged inside the support plate 12. Through holes 14 are arranged inside the pipe fitting grooves 13. A first sealing block 6 is arranged inside the pipe fitting grooves 13, and a first sealing ring 7 is arranged outside the first sealing block 6 inside the pipe fitting grooves 13. A limiting ring 10 is installed above the pipe fitting grooves 13 on the support plate 12 through a support column. A cover plate 15 is installed on the second moving mechanism 4. A plurality of second sealing blocks 8 are arranged at the bottom of the cover plate 15. A second sealing ring 9 is arranged outside the plurality of second sealing blocks 8. The air inlet mechanism 5 is installed on the second sealing blocks 8; the water storage tank stores water for detecting air tightness. One end of the hydraulic pipe fitting is placed in the pipe fitting groove through the limiting ring. The limiting ring is located outside the pipe fitting, which can support and limit the pipe fitting, facilitating the fixing of the pipe fitting. The pipe fitting port is located between the first sealing block and the first sealing ring. The first sealing block can block and seal the port of the hydraulic pipe fitting. The first sealing ring is located outside the port of the hydraulic pipe fitting, strengthening the sealing performance. After placing the pipe fitting, the cover plate is driven to move downward by the second electric cylinder, so that the other port of the pipe fitting is located between the second sealing block and the second sealing ring. The other port is blocked and sealed by the second sealing block and the second sealing ring. Then, the support plate is driven by the first electric cylinder to drive the pipe fitting to move downward into the liquid storage tank. The air inlet mechanism is used to inflate the pipe fitting. If the air tightness of the pipe fitting is poor and there is a leakage situation, the gas will contact the water through the gap, resulting in water bubbles. At this time, the air tightness of the pipe fitting is insufficient. When no water bubbles appear, it proves that the air tightness of the pipe fitting is good; during the detection process, it is convenient to fix the pipe fitting, convenient to detect the air tightness of the pipe fitting, and multiple pipe fittings can be detected at one time, improving the detection efficiency; after the detection is completed, the pipe fitting is driven by the first electric cylinder to drive the support plate to move upward, so that the pipe fitting leaves the water storage tank. Then, the cover plate is driven to move upward by the second electric cylinder, facilitating the taking of the pipe fitting. Through holes are arranged on both the left and right sides of the pipe fitting groove. The through holes are located between the first sealing ring and the inner wall of the pipe fitting groove. After the detection is completed, the water is convenient to leak out through the through holes.

[0021] The described first moving mechanism 3 includes a first electric cylinder 16, a moving plate 17, and a connecting rod 18. The bottom of the first electric cylinder 16 is installed inside the bottom of the L-shaped baffle 11. The moving plate 17 is installed at the telescopic end of the first electric cylinder 16. Connecting rods 18 are installed at both ends of the moving plate 17, and the support plate 12 is installed at the other end of the connecting rod 18. The second moving mechanism 4 is a second electric cylinder 19. There are two second electric cylinders 19. The bottoms of the two second electric cylinders 19 are installed at the bottom of the moving plate 17, and the cover plate 15 is installed at the telescopic end of the second electric cylinder 19. One end of the hydraulic pipe fitting is placed in the pipe fitting groove through the limit ring to seal one port of the pipe fitting. After placing the pipe fitting, start the second electric cylinder. The second electric cylinder moves downward, driving the cover plate to move downward, so that the other port of the pipe fitting is located between the second sealing block and the second sealing ring, and the other port is blocked and sealed by the second sealing block and the second sealing ring. After blocking and sealing both ends of the pipe fitting, start the first electric cylinder. The first electric cylinder moves downward and drives the support plate to move downward in the chute through the connecting rod, so that the pipe fitting is immersed in water to detect the airtightness of the pipe fitting. After the detection is completed, first drive the support plate to move upward by the first electric cylinder, and then move the cover plate upward by the second electric cylinder to facilitate taking out the pipe fitting after the detection is completed.

[0022] The described air intake mechanism 5 includes a pneumatic pump 20, an air intake main pipe 21, and air intake branch pipes 22. The pneumatic pump 20 is installed on the top of the L-shaped baffle 11. The air intake branch pipes 22 are flexible hoses. The air intake branch pipes 22 are installed in multiple second sealing blocks 8. One end of the air intake branch pipe 22 is communicated with the air intake main pipe 21, and one end of the air intake main pipe 21 is communicated with the pneumatic pump 20. When detecting the airtightness of the pipe fitting by immersing the pipe fitting in water, start the pneumatic pump. The air intake branch pipe passes through the cover plate and the second sealing block, and the air intake branch pipe is also sealed with the second sealing block. After blocking the pipe fitting, air can be filled into the pipe fitting to detect the airtightness of the pipe fitting.

[0023] Chutes 23 are provided on both sides of the water storage tank 2, and both ends of the support plate 12 are slidably installed in the chutes 23; the support plate can move up and down in the chute.

[0024] A plurality of fixing rings 24 are provided on the front side of the moving plate 17, and the air intake branch pipes 22 are located inside the fixing rings 24; it is convenient to fix and limit the air intake branch pipes to prevent the air intake branch pipes from being placed in a scattered manner.

[0025] The front side of the base 1 is made of a transparent material, and a water outlet pipe 25 is provided on one side of the water storage tank 2; it is convenient to observe the detection situation during the detection, observe whether the pipe fitting leaks air and whether there are bubbles generated, and the water outlet pipe is provided to facilitate replacing the water in the water storage tank.

[0026] The performance detection device for the hydraulic pipe fittings includes a display screen 26, a pneumatic pump switch button 27, a first electric cylinder lifting button 28, a second electric cylinder lifting button 29, a device switch button 30 and a controller 31. A bottom plate 32 is installed on the front side of the L-shaped baffle 11. The display screen 26, the pneumatic pump switch button 27, the first electric cylinder lifting button 28, the second electric cylinder lifting button 29 and the device switch button 30 are all installed on the front side of the bottom plate 32, and the controller 31 is installed on the rear side of the bottom plate 32. The first electric cylinder 16, the second electric cylinder 19, the pneumatic pump 20, the display screen 26, the pneumatic pump switch button 27, the first electric cylinder lifting button 28, the second electric cylinder lifting button 29 and the device switch button 30 are all electrically connected to the controller 31; the controller is externally powered. During detection, first turn on the device through the device switch button to power on, then turn on or off the pneumatic pump through the pneumatic pump switch button according to the detection requirements, move the first electric cylinder up and down through the first electric cylinder lifting button, move the second electric cylinder up and down through the second electric cylinder lifting button, and the detection process can be viewed through the display screen.

[0027] Working process:

[0028] The working principle of the present utility model is as follows: One end of the hydraulic pipe fitting 33 is placed in the pipe fitting groove 13 through the limit ring 10, and one port of the pipe fitting is sealed. The pipe fitting port is located between the first sealing block 6 and the first sealing ring 7. The first sealing block 6 can block and seal the port of the hydraulic pipe fitting 33. The first sealing ring 7 is located outside the hydraulic pipe fitting port to enhance the sealing performance. After placing the pipe fitting, start the second electric cylinder 19, and the second electric cylinder 19 moves downward, driving the cover plate 15 to move downward, so that the other port of the pipe fitting is located between the second sealing block 8 and the second sealing ring 9, and the other port is blocked and sealed by the second sealing block 8 and the second sealing ring 9. After blocking and sealing both ends of the pipe fitting, start the first electric cylinder 16. The first electric cylinder 16 moves downward and drives the support plate 12 to move downward in the chute 23 through the connecting rod 18, so that the pipe fitting is immersed in water to detect the air tightness of the pipe fitting. Start the pneumatic pump 20. The air inlet branch pipe 22 passes through the cover plate 15 and the second sealing block 8, and the air inlet branch pipe 22 is also sealed with the second sealing block 8. After blocking the pipe fitting, air can be filled into the pipe fitting to detect the air tightness of the pipe fitting. If the air tightness of the pipe fitting is poor and there is a leakage situation, the gas will contact the water through the gap, resulting in water bubbles. At this time, the air tightness of the pipe fitting is insufficient. When no water bubbles appear, it proves that the air tightness of the pipe fitting is good; after the detection is completed, first drive the support plate 12 to move upward through the first electric cylinder 16 to make the hydraulic pipe fitting leave the water storage tank 2, and then move the cover plate 15 upward through the second electric cylinder 19 to facilitate taking out the pipe fitting after the detection is completed.

[0029] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in terms of form and details without departing from the scope defined by the claims of the present invention.

Claims

1. A performance testing device for hydraulic pipe fittings, characterized in that: The performance detection device for a hydraulic pipe fitting comprises a base (1), a water storage tank (2), a first moving mechanism (3), a second moving mechanism (4), an air intake mechanism (5), a first sealing block (6), a first sealing ring (7), a second sealing block (8), a second sealing ring (9) and a limiting ring (10), wherein the base (1) is provided with a water storage tank (2), an L-shaped baffle (11) is installed at the top of the rear end of the base (1), the first moving mechanism (3) is installed at the bottom of the L-shaped baffle (11), the second moving mechanism (4) is installed on the first moving mechanism (3), and the first moving mechanism (3) is also installed with a support plate (12). A plurality of pipe grooves (13) are provided in the support plate (12), a through hole (14) is provided in the pipe groove (13), a first sealing block (6) is provided in the pipe groove (13), and a first sealing ring (7) is provided outside the first sealing block (6) in the pipe groove (13), a limit ring (10) is installed on the support plate (12) and above the pipe groove (13) through a support, a cover plate (15) is installed on the second moving mechanism (4), a plurality of second sealing blocks (8) are provided at the bottom of the cover plate (15), a second sealing ring (9) is provided outside the plurality of second sealing blocks (8), and the air intake mechanism (5) is installed on the second sealing block (8).

2. A performance detection device for hydraulic pipe fittings according to claim 1, characterized in that: The first moving mechanism (3) comprises a first electric cylinder (16), a moving plate (17) and a connecting rod (18); the bottom of the first electric cylinder (16) is mounted inside the bottom of the L-shaped baffle (11); the moving plate (17) is mounted on the telescopic end of the first electric cylinder (16); connecting rods (18) are mounted at both ends of the moving plate (17); and the support plate (12) is mounted on the other end of the connecting rod (18).

3. A performance detection device for hydraulic pipe fittings according to claim 2, characterized in that: The second moving mechanism (4) is a second electric cylinder (19), and there are two second electric cylinders (19). The bottoms of the two second electric cylinders (19) are mounted on the bottom of the moving plate (17), and the cover plate (15) is mounted on the telescopic end of the second electric cylinder (19).

4. A performance detection device for hydraulic pipe fittings according to claim 3, characterized in that: The air intake mechanism (5) comprises an air pressure pump (20), an air intake main pipe (21) and an air intake branch pipe (22); the air pressure pump (20) is mounted on the top of the L-shaped baffle (11); the air intake branch pipe (22) is a hose; the plurality of second sealing blocks (8) are each equipped with an air intake branch pipe (22); one end of the air intake branch pipe (22) is connected to the air intake main pipe (21); and one end of the air intake main pipe (21) is connected to the air pressure pump (20).

5. A performance detection device for hydraulic pipe fittings according to claim 2, characterized in that: Slide grooves (23) are provided on both sides of the water storage tank (2), and both ends of the support plate (12) are slidably mounted in the slide grooves (23).

6. A performance testing device for hydraulic pipe fittings according to claim 4, characterized in that: A plurality of fixing rings (24) are provided on the front side of the movable plate (17), and the air intake branch pipe (22) is located inside the fixing ring (24).

7. A performance testing device for hydraulic pipe fittings according to claim 2, characterized in that: The front side of the base (1) is made of transparent material, and one side of the water storage tank (2) is provided with a water outlet pipe (25).

8. A performance testing device for hydraulic pipe fittings according to claim 4, characterized in that: The performance detection device for hydraulic pipe fittings comprises a display screen (26), an air pressure pump switch button (27), a first electric cylinder lifting button (28), a second electric cylinder lifting button (29), a device switch button (30) and a controller (31); a base plate (32) is installed on the front side of the L-shaped baffle (11); the display screen (26), the air pressure pump switch button (27), the first electric cylinder lifting button (28), the second electric cylinder lifting button (29) and the device switch button (30) are all installed on the front side of the base plate (32); the controller (31) is installed on the rear side of the base plate (32); and the first electric cylinder (16), the second electric cylinder (19), the air pressure pump (20), the display screen (26), the air pressure pump switch button (27), the first electric cylinder lifting button (28), the second electric cylinder lifting button (29) and the device switch button (30) are all electrically connected to the controller (31).

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