Automatic pressure testing device for hose

By designing the moving clamping assembly and the fixed clamping assembly, and utilizing the conical joint and the high-pressure air-driven booster pump, the problem of poor sealing in the hydraulic hose pressure testing device was solved, achieving effective sealing and stable pressure testing of the hydraulic hose.

CN224216462UActive Publication Date: 2026-05-08MAANSHAN FEIDA BELLOWS MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
MAANSHAN FEIDA BELLOWS MANUFACTURING CO LTD
Filing Date
2025-05-07
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

The existing hydraulic hose pressure testing device has poor pressure testing effect when the seal is not tight, and the poor seal causes the two ends of the hydraulic hose to be blown open.

Method used

The hydraulic hose is fixed at both ends using a moving clamping assembly and a fixed clamping assembly. It is sealed using a conical inlet and outlet water connector, and automatically pressure tested using a high-pressure air-driven booster pump.

Benefits of technology

This achieves effective sealing of the hydraulic hose, avoiding the problem of incomplete sealing during pressure testing, ensuring the effectiveness of the pressure test, and guaranteeing the stable operation of the hydraulic system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic hose pressure test device, which relates to the technical field of hose static pressure test and comprises a support, a movable clamping component and a fixed clamping component, a cross beam is arranged in the support, and the movable clamping component is slidably connected onto the support and the cross beam. And the fixed clamping assembly is arranged at one end of the support and one end of the cross beam and is used for fixing the other end of the hose and discharging the tested water in the hose. One end of a hydraulic rubber pipe is conveniently positioned through a first mounting groove and a first U-shaped baffle ring of the movable clamping assembly, a water inlet connector of a conical structure abuts against the hydraulic rubber pipe through a first threaded rod, and the other end of the hydraulic rubber pipe is conveniently positioned through a second mounting groove and a second U-shaped baffle ring of the fixed clamping assembly; the water return connector of the conical structure abuts against the hydraulic rubber pipe through the second threaded rod, so that the problem that the pressure testing effect is poor due to untight sealing is solved, and finally automatic pressure testing is conducted through the high-pressure gas-driven pressurizing liquid pump.
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Description

Technical Field

[0001] This utility model relates to the technical field of hose static pressure testing, and specifically to an automatic hose pressure testing device. Background Technology

[0002] Before leaving the factory, hydraulic hoses need to undergo corresponding static pressure tests to test their safety and reliability, and to prevent leaks, bursts and other failures caused by abnormal pressure during use, thereby ensuring the stable operation of the hydraulic system. In the existing technology, when the pressure testing device seals the two ends of the hydraulic hose with clamps, the two ends are often forced open during the pressure test due to poor sealing, resulting in a reduced pressure test effect. Summary of the Invention

[0003] The purpose of this invention is to provide an automatic hose pressure testing device to overcome the above-mentioned defects in the prior art.

[0004] An automatic hose pressure testing device includes a support, a movable clamping assembly, and a fixed clamping assembly. The support has a crossbeam. The movable clamping assembly is slidably connected to the support and the crossbeam and is used to fix one end of the hose and to introduce water into the hose. The fixed clamping assembly is located at one end of the support and the crossbeam and is used to fix the other end of the hose and to drain the tested water from the hose.

[0005] Preferably, the movable clamping assembly includes a movable frame, a water inlet connector, and a threaded rod. The movable frame is rotatably connected between two displacement blocks, which are slidably connected to the slide rails of the support and the crossbeam, respectively. One of the displacement blocks is threaded with a tightening stud that abuts against the slide rail. The movable frame has several mounting slots evenly distributed on it. Each end of the mounting slot is provided with a U-shaped retaining ring. Each mounting slot is slidably connected with a slider. Each slider is provided with a water inlet connector. The water inlet connector is connected to a high-pressure air-driven booster pump through a pipe. The high-pressure air-driven booster pump is connected to a water inlet tank through a pipe. The threaded rod is threadedly connected to the movable frame, and its end is rotatably connected to the slider.

[0006] Preferably, the fixed clamping assembly includes a fixed frame, a return water connector, and a threaded rod. The two sides of the fixed frame are rotatably connected to the support and the crossbeam, respectively. The fixed frame is evenly distributed with a plurality of mounting slots, and each mounting slot has a U-shaped retaining ring at its end. Each mounting slot has a slider connected to it, and each slider has a return water connector. The return water connector is connected to the return water tank through a pipe with a valve. The threaded rod is threadedly connected to the fixed frame, and its end is rotatably connected to the slider.

[0007] Preferably, both the inlet connector and the outlet connector are tapered structures.

[0008] Preferably, rollers rotatably connected to the moving block are provided on both the upper and lower sides of the slide rail, and the rollers roll on the slide rail.

[0009] Preferably, a handle is provided at the top of the tightening stud.

[0010] Preferably, the support is of a "U" - shaped structure, and bottom plates are respectively provided at both ends thereof. A number of reinforcing ribs are provided between the bottom plate and the support, and a number of mounting holes are provided on the bottom plate.

[0011] The beneficial effects achieved by the present utility model are as follows:

[0012] In this application, the installation groove one and the U - shaped retaining ring one of the moving clamping component facilitate the positioning of one end of the hydraulic hose. The tapered water inlet joint is tightened against the hydraulic hose by the first threaded rod. The installation groove two and the U - shaped retaining ring two of the fixed clamping component facilitate the positioning of the other end of the hydraulic hose. The tapered return water joint is tightened against the hydraulic hose by the second threaded rod, thereby avoiding the problem of poor pressure test effect caused by insufficient sealing. Finally, an automated pressure test is carried out by a high - pressure gas - driven booster liquid pump. " BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic structural diagram of the whole of the present utility model.

[0014] Figure 2 It is a schematic structural diagram of the moving clamping component of the present utility model.

[0015] Figure 3 It is a schematic structural diagram of the fixed clamping component of the present utility model.

[0016] In the figure, 1, support; 11, bottom plate; 2, cross beam; 3, moving clamping component; 31, moving frame; 32, displacement block; 321, roller; 33, tightening stud; 331, handle; 34, installation groove one; 35, U - shaped retaining ring one; 36, slider one; 37, water inlet joint; 38, first threaded rod; 4, fixed clamping component; 41, fixed frame; 42, installation groove two; 43, U - shaped retaining ring two; 44, slider two; 45, return water joint; 46, second threaded rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The following is a further detailed description of the specific embodiments of the present utility model by referring to the accompanying drawings and describing the embodiments, so as to help those skilled in the art have a more complete, accurate and in - depth understanding of the concept and technical solution of the present utility model.

[0018] As Figure 1-3As shown, this utility model provides an automatic hose pressure testing device, including a support 1, a movable clamping assembly 3 and a fixed clamping assembly 4. The support 1 is provided with a crossbeam 2. The support 1 has a "U" shaped structure and a base plate 11 is provided at both ends. A number of reinforcing ribs are provided between the base plate 11 and the support 1. A number of mounting holes are provided on the base plate 11. The support 1 is connected to the corresponding position by bolts through the base plate 11.

[0019] In addition, the movable clamping assembly 3 is slidably connected to the support 1 and the crossbeam 2 and is used to fix one end of the hose and to introduce water into the hose. The movable clamping assembly 3 includes a movable frame 31, a water inlet connector 37 and a threaded rod 38. The movable frame 31 is rotatably connected between two displacement blocks 32. The two displacement blocks 32 are slidably connected to the slide rails of the support 1 and the crossbeam 2 respectively. The displacement blocks 32 are provided with rollers 321 rotatably connected to the movable blocks on the upper and lower sides of the slide rails respectively. The rollers 321 roll on the slide rails. One of the displacement blocks 32 is threadedly connected to a tightening stud 33 that abuts against the slide rail. The top of the tightening stud 33 is provided with a handle 331, so as to facilitate tightening or loosening the tightening stud 33.

[0020] The movable frame 31 is evenly distributed with several mounting slots 34. Each mounting slot 34 has a U-shaped retaining ring 35 at its end. Each mounting slot 34 is slidably connected to a slider 36. Each slider 36 is equipped with a water inlet connector 37. The water inlet connector 37 is connected to a high-pressure air-driven booster pump through a pipe. The high-pressure air-driven booster pump is connected to a water inlet tank through a pipe. The threaded rod 38 is threadedly connected to the movable frame 31 and its end is rotatably connected to the slider 36.

[0021] It should be noted that the fixing clamping assembly 4 is located at one end of the support 1 and the crossbeam 2 and is used to fix the other end of the hose and drain the water after testing in the hose. The fixing clamping assembly 4 includes a fixing frame 41, a return water connector 45 and a threaded rod 46. The two sides of the fixing frame 41 are rotatably connected to the support 1 and the crossbeam 2 respectively. Several mounting grooves 42 are evenly distributed on the fixing frame 41. Each end of the mounting groove 42 is provided with a U-shaped retaining ring 43. A slider 44 is slidably connected in each mounting groove 42. Each slider 44 is provided with a return water connector 45. The return water connector 45 is connected to the return water tank through a pipe with a valve. The threaded rod 46 is threadedly connected to the fixing frame 41 and its end is rotatably connected to the slider 44.

[0022] In addition, both the inlet connector 37 and the return connector 45 are tapered structures, which facilitates the quick insertion of the inlet connector 37 and the return connector 45 into both ends of the hydraulic hose to seal the hydraulic hose.

[0023] Detailed implementation methods and principles:

[0024] When testing the hydraulic hose, place the hose connector at one end of the hydraulic hose in the mounting slot 42 on the fixed frame 41. Turn the screw rod 2 to move the return water connector 45 on the slider 2 44 to abut against the hydraulic hose. The U-shaped retaining ring 2 43 limits the hydraulic hose and closes the valve on this side. Then, move the sliding frame 31 to the appropriate position on the slide rail of the support 1 and the cross plate. Then, rotate the handle 331 to tighten the stud 33, so that the fixed frame 41 is positioned with the support 1 and the cross plate. Next, place the hose connector at the other end of the hydraulic hose in the mounting slot 34 on the moving frame 31. Turn the screw rod 1 to move the inlet connector 37 on the slider 1 36 to abut against the hydraulic hose. The U-shaped retaining ring 35 limits the hydraulic hose. The water injected into the hydraulic hose is pressurized to the predetermined pressure value by the high-pressure air-driven booster pump to perform the corresponding pressure test on the hydraulic hose.

[0025] The embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. An automatic hose pressure testing device, characterized in that: It includes a support (1), a movable clamping component (3) and a fixed clamping component (4). A cross beam (2) is provided in the support (1). The movable clamping component (3) is slidably connected to the support (1) and the cross beam (2) and is used to fix one end of the hose and introduce water into the hose. The fixed clamping component (4) is provided at one end of the support (1) and the cross beam (2) and is used to fix the other end of the hose and drain the tested water in the hose.

2. The automatic hose pressure testing device according to claim 1, characterized in that: The movable clamping component (3) includes a movable frame (31), a water inlet joint (37) and a first threaded rod (38). The movable frame (31) is rotatably connected between two displacement blocks (32). The two displacement blocks (32) are respectively slidably connected to the slide rails of the support (1) and the cross beam (2). A tightening stud (33) that abuts against the slide rail is threadedly connected to one of the displacement blocks (32). A number of first mounting grooves (34) are evenly distributed on the movable frame (31). U-shaped retaining rings one (35) are provided at the ends of the first mounting grooves (34). Slide blocks one (36) are slidably connected in the first mounting grooves (34). Water inlet joints (37) are provided on the slide blocks one (36). The water inlet joints (37) are connected to a high-pressure gas-driven booster pump through pipelines. The high-pressure gas-driven booster pump is connected to a water inlet tank through pipelines. The first threaded rod (38) is threadedly connected to the movable frame (31) and its end is rotatably connected to the slide block one (36).

3. The automatic hose pressure testing device according to claim 2, characterized in that: The fixed clamping component (4) includes a fixed frame (41), a water return joint (45) and a second threaded rod (46). The two sides of the fixed frame (41) are respectively rotatably connected to the support (1) and the cross beam (2). A number of second mounting grooves (42) are evenly distributed on the fixed frame (41). U-shaped retaining rings two (43) are provided at the ends of the second mounting grooves (42). Slide blocks two (44) are slidably connected in the second mounting grooves (42). Water return joints (45) are provided on the slide blocks two (44). The water return joints (45) are connected to a water return tank through pipelines equipped with valves. The second threaded rod (46) is threadedly connected to the fixed frame (41) and its end is rotatably connected to the slide block two (44).

4. The automatic hose pressure testing device according to claim 3, characterized in that: Both the water inlet joint (37) and the water return joint (45) are of a conical structure.

5. The automatic hose pressure testing device according to claim 2, characterized in that: On the upper and lower sides of the slide rail, the displacement block (32) is provided with rollers (321) that are rotatably connected to the moving block, and the rollers (321) roll on the slide rail.

6. The automatic hose pressure testing device according to claim 2, characterized in that: A handle (331) is provided at the top of the tightening stud (33).

7. The automatic hose pressure testing device according to claim 1, characterized in that: The support (1) is of a "U" - shaped structure and bottom plates (11) are provided at both ends thereof. A number of reinforcing ribs are provided between the bottom plates (11) and the support (1). A number of mounting holes are provided on the bottom plates (11).