Valve pressure test platform

Abstract

The utility model discloses a valve pressure test platform, which belongs to the technical field of valve detection equipment and comprises a vehicle body. The water tank is characterized in that the water tank cavity is a tank body with an open upper end, a supporting platform is arranged above the tank body, one side of the supporting platform is fixed to the side wall of a rotating connecting rod, and one end of the rotating connecting rod penetrates through the side wall of the upper end of the water tank cavity and is provided with a power structure through key connection; the end face between the upper clamping plate and the lower clamping plate is provided with a preset number of valve sealing connection sites matched with a pipe opening of a valve in a sealing mode. The multi-station valve pressure test platform has the beneficial effects that the multi-station valve pressure test platform which can be overturned and pressed by the air cylinder is higher in sensitivity compared with a mode of judging the air tightness by observing seepage by taking gas as a detection medium and soaking in liquid and observing bubbling; and ultrasonic treatment is carried out on the equipment, tiny bubbles left on the surfaces of the tool and the valve due to overturning are discharged, and the problem of detection errors caused by gathering of the tiny bubbles is avoided.

Description

Technical field:

[0001] The utility model belongs to the technical field of valve detection equipment, and more specifically relates to a valve pressure testing platform. Background technology:

[0002] Valves are pipe accessories used to open and close pipelines, control flow direction, and adjust and control the parameters of the conveying medium, such as temperature, pressure, and flow. According to their functions, they can be divided into shut-off valves, check valves, regulating valves, etc. Valves are control components in fluid conveying systems, and have functions such as shut-off, regulation, flow diversion, backflow prevention, pressure stabilization, flow diversion, or overflow pressure relief.

[0003] Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media.

[0004] At present, most of the methods used to detect the sealing of water outlet and water inlet channels are flaw detection. Although this method can detect tiny leaks, it is not comprehensive. Some tiny leaks in narrow and hidden parts are not detected.

[0005] The utility model patent No. 201410163669.2 discloses a valve pressure test bench that allows low-temperature liquids of different pressure values ​​to be passed through, quickly and comprehensively testing the valve from the water inlet to the water outlet, and clearly observing whether the valve has leakage. However, for some air medium valves, the performance will be affected after the liquid is passed through, especially the leakage of the liquid is not easy to observe, and the sensitivity is low. Utility model content:

[0006] In order to solve the above problems and overcome the shortcomings of the prior art, the utility model provides a valve pressure test platform;

[0007] The first technical problem to be solved is that the performance of some air medium valves will be affected after the liquid is passed into them, especially the leakage of the liquid is not easy to observe and the sensitivity is low.

[0008] The specific technical solution of the utility model to solve the above technical problems is as follows: the valve pressure test platform includes a vehicle body; the characteristics are as follows: the vehicle body is provided with a water tank chamber; the water tank chamber is a box body with an open upper end, a support platform is provided above the box body, one side of the support platform is fixed on the side wall of a rotating connecting rod, the rotating connecting rod is rotatably connected to the side wall of the upper end of the water tank chamber, one end of the rotating connecting rod penetrates the side wall of the upper end of the water tank chamber and is connected to a power structure through a key,

[0009] The power structure comprises a flip cylinder, which is connected to the outer wall of the water tank chamber through a fixing seat, and a telescopic rod of the flip cylinder is hingedly connected to a swing rod, and the swing rod is fixed to a rotating connecting rod;

[0010] The upper end surface of the support platform is fixedly provided with two parallel lifting screws in the vertical direction, and the lifting screws are provided with an adjusting nut assembly through a threaded connection, and a clamping cylinder support plate is connected between the two adjusting nut assemblies.

[0011] The clamping cylinder support plate is fixedly provided with the clamping cylinder in the vertical direction, the telescopic rod of the clamping cylinder passes through the clamping cylinder support plate and the end portion is connected to the upper clamping plate, a lower clamping plate is provided below the upper clamping plate, and a preset number of valve sealing connection points which cooperate with the pipe mouth seal of the valve are provided on the end surface between the upper clamping plate and the lower clamping plate; the upper clamping plate and the lower clamping plate are passed through the lifting screw rod which is away from the end of the rotating connecting rod.

[0012] Furthermore, a walking mechanism is arranged at the bottom of the vehicle body.

[0013] Furthermore, the walking mechanism is a universal wheel.

[0014] Furthermore, the adjusting nut assembly comprises an adjusting nut and a locking nut, and a clamping cylinder support plate is cooperatively arranged between the adjusting nut and the locking nut.

[0015] Furthermore, a drain pipe and a valve are provided at the bottom of the water tank chamber.

[0016] Furthermore, a lower clamping plate limiting pin is provided on the upper end surface of the supporting platform.

[0017] Furthermore, a convex upper clamping plate limiting column is provided on the lower end surface of the clamping cylinder support plate in the vertical direction, one end of the upper clamping plate limiting column is fixed to the lower end surface of the clamping cylinder support plate, and one end of the upper clamping plate limiting column passes through the upper clamping plate.

[0018] Furthermore, the vehicle body located on one side of the water tank chamber is also provided with a spare equipment box, the upper end surface of the spare equipment box is a storage platform, and a mobile air pump is provided in the spare equipment box.

[0019] Furthermore, the turning cylinder and the pressing cylinder are connected to a mobile air pump or an air source through pipelines.

[0020] The beneficial effects of the utility model are:

[0021] One advantage of the utility model is that it provides a sealing test for valves suitable for air medium, using gas as the detection medium and observing bubbles by immersion in liquid, which has a higher sensitivity than judging air tightness by observing liquid seepage;

[0022] One advantage of the utility model is that it provides a multi-position valve pressure testing platform that can be turned and pressed by a cylinder, which is easy to operate and can put multiple valves at the same testing level;

[0023] One advantage of the utility model is that an ultrasonic wave is installed on the side wall of the water tank chamber, which can perform ultrasonic treatment on the equipment before detection to remove tiny bubbles remaining on the surface of the tooling and valve due to flipping, thereby avoiding the problem of detection error caused by the aggregation of tiny bubbles. Description of the drawings:

[0024] Attached Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Attached Figure 2 This is a schematic diagram of the structure of the detection status medicine of the utility model; in the accompanying drawings:

[0026] 1. Universal wheel; 2. Drain pipe; 3. Water tank chamber; 4. Valve sealing connection point; 5. Lower clamp; 6. Upper clamp; 7. Upper clamp limit column; 8. Clamping cylinder support plate; 9. Lifting screw; 10. Clamping cylinder; 11. Adjusting nut assembly; 12. Lower clamp limit pin; 13. Support platform; 14. Storage platform; 15. Rotating connecting rod; 16. Rocker arm; 17. Flip cylinder; 18. Mobile air pump; 19. Ultrasonic generator. Specific implementation method:

[0027] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0028] Specific implementation of the utility model: the valve pressure test platform comprises a vehicle body; a walking mechanism for transfer is arranged at the bottom of the vehicle body, which can be a universal wheel 1 as a preferred implementation of the utility model;

[0029] The vehicle body is provided with a water tank chamber 3, and a drain pipe 2 and a valve are provided at the bottom of the water tank chamber 3;

[0030] As a preferred embodiment of the utility model, the vehicle body located on one side of the water tank chamber 3 may also be provided with a spare equipment box, and the upper end surface of the spare equipment box is a storage platform 14 for placing tools;

[0031] A mobile air pump 18 is arranged in the spare equipment box, and the turning cylinder 17 and the pressing cylinder 10 are connected to the mobile air pump 18 or the air source through pipelines.

[0032] The main improvement of the utility model is that the water tank chamber 3 is a box body with an open upper end, a support platform 13 is arranged above the box body, one side of the support platform 13 is fixed on the side wall of the rotating connecting rod 15, the rotating connecting rod 15 is rotatably connected to the side wall of the upper end of the water tank chamber 3, one end of the rotating connecting rod 15 passes through the side wall of the upper end of the water tank chamber 3 and is connected to the power structure through a key,

[0033] The power structure includes a flip cylinder 17, which is connected to the outer wall of the water tank chamber 3 through a fixed seat, and the telescopic rod of the flip cylinder 17 is hingedly connected to the swing rod 16, and the swing rod 16 is fixed to the rotating connecting rod 15;

[0034] The upper end surface of the support platform 13 is fixedly provided with two parallel lifting screws 9 in the vertical direction. The lifting screw 9 is provided with an adjusting nut assembly 11 through a threaded connection. A clamping cylinder support plate 8 is connected between the two adjusting nut assemblies 11. The specific adjusting nut assembly 11 includes an adjusting nut and a locking nut. The clamping cylinder support plate 8 is cooperated with the adjusting nut and the locking nut.

[0035] The clamping cylinder support plate 8 is fixedly provided with a clamping cylinder 10 in the vertical direction, the telescopic rod of the clamping cylinder 10 passes through the clamping cylinder support plate 8 and the end portion is connected to the upper clamping plate 6, the lower clamping plate 5 is provided below the upper clamping plate 6, and a preset number of valve sealing connection sites 4 for sealing with the pipe mouth of the valve are provided on the end surface between the upper clamping plate 6 and the lower clamping plate 5; the upper clamping plate 6 and the lower clamping plate 5 are passed through a lifting screw 9 at one end away from the rotating connecting rod 15;

[0036] As a preferred embodiment of the utility model, the upper end surface of the support platform 13 is provided with a lower clamping plate limiting pin 12. The lower end surface of the clamping cylinder support plate 8 is provided with a convex upper clamping plate limiting column 7 in the vertical direction, one end of the upper clamping plate limiting column 7 is fixed to the lower end surface of the clamping cylinder support plate 8, and one end of the upper clamping plate limiting column 7 is passed through the upper clamping plate 6. The above structure is mainly used to lock and fix the upper clamping plate 6 and the lower clamping plate 5 to avoid leakage caused by the cylinder retreating due to unstable air path;

[0037] As a preferred embodiment of the utility model, an ultrasonic generator 19 is installed on the side wall of the water tank chamber 3, which can perform ultrasonic treatment on the equipment before detection to remove tiny bubbles remaining on the surface of the tooling and valve due to flipping, thereby avoiding the problem of detection error caused by the accumulation of tiny bubbles.

[0038] It should be noted that the utility model is a valve pressure test platform.

[0039] 1. Place the valve to be tested on the valve sealing connection point 4. Then, the compression cylinder 10 is ventilated and pressed down to press the upper clamping plate 6 and the lower clamping plate 5 tightly and seal them.

[0040] At this time, the upper clamping plate 6 and the lower clamping plate 5 can be locked and fixed by the upper clamping plate limit column 7 and the lower clamping plate limit pin 12 to avoid leakage caused by the cylinder retreating due to unstable air path;

[0041] The height of the clamping cylinder 10 can be adjusted by adjusting the nut assembly 11, that is, the adjustment nut and the locking nut cooperate with the clamping cylinder support plate 8.

[0042] 2. Under the action of the air source, the flip cylinder 17 pushes the swing rod 16 and drives the rotating connecting rod 15 to rotate, thereby driving the flipping of the supporting platform 13, and finally immersing the valve to be tested between the upper clamping plate 6 and the lower clamping plate 5 in the liquid of the water tank chamber 3.

[0043] 3. The ultrasonic generator 19 is closely attached to the side wall or bottom of the water tank chamber 3. It can be used alone or in conjunction with an ultrasonic vibrator to perform ultrasonic treatment on the equipment, remove tiny bubbles remaining on the surface of the tooling and valve due to flipping, and avoid the problem of detection errors caused by the aggregation of tiny bubbles.

[0044] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A valve pressure test platform, comprising a vehicle body; characterized in that: The vehicle body is provided with a water tank chamber (3); the water tank chamber (3) is a box body with an open upper end, a support platform (13) is provided above the box body, one side of the support platform (13) is fixed to the side wall of a rotating connecting rod (15), the rotating connecting rod (15) is rotatably connected to the side wall of the upper end of the water tank chamber (3), one end of the rotating connecting rod (15) penetrates the side wall of the upper end of the water tank chamber (3) and is connected to a power structure through a key, The power structure comprises a tilting cylinder (17), the tilting cylinder (17) is connected to the outer wall of the water tank chamber (3) through a fixing seat, the telescopic rod of the tilting cylinder (17) is hingedly connected to the swing rod (16), and the swing rod (16) is fixed to the rotating connecting rod (15); The upper end surface of the support platform (13) is fixedly provided with two parallel lifting screws (9) in the vertical direction, the lifting screws (9) are provided with an adjusting nut assembly (11) through a threaded connection, and a clamping cylinder support plate (8) is connected between the two adjusting nut assemblies (11). The clamping cylinder support plate (8) is fixedly provided with a clamping cylinder (10) in the vertical direction, the telescopic rod of the clamping cylinder (10) passes through the clamping cylinder support plate (8) and the end portion is connected to the upper clamping plate (6), a lower clamping plate (5) is provided below the upper clamping plate (6), and a preset number of valve sealing connection points (4) which are matched with the pipe mouth of the valve are provided on the end surface between the upper clamping plate (6) and the lower clamping plate (5); a lifting screw rod (9) which is away from one end of the rotating connecting rod (15) is passed through the upper clamping plate (6) and the lower clamping plate (5).

2. The valve pressure test platform according to claim 1, characterized in that A walking mechanism is arranged at the bottom of the vehicle body.

3. The valve pressure test platform according to claim 2, characterized in that The walking mechanism is a universal wheel (1).

4. The valve pressure test platform according to claim 1, characterized in that The adjusting nut assembly (11) comprises an adjusting nut and a locking nut, and a pressing cylinder support plate (8) is arranged between the adjusting nut and the locking nut.

5. The valve pressure testing platform according to claim 1, characterized in that A liquid discharge pipe (2) and a valve are provided at the bottom of the water tank chamber (3).

6. The valve pressure testing platform according to claim 1, characterized in that The upper end surface of the support platform (13) is provided with a lower clamping plate limiting pin (12).

7. The valve pressure testing platform according to claim 1, characterized in that The lower end surface of the clamping cylinder support plate (8) is provided with a convex upper clamping plate limiting column (7) in the vertical direction, one end of the upper clamping plate limiting column (7) is fixed to the lower end surface of the clamping cylinder support plate (8), and one end of the upper clamping plate limiting column (7) passes through the upper clamping plate (6).

8. The valve pressure testing platform according to claim 1, characterized in that The vehicle body is also provided with a spare equipment box located on one side of the water tank chamber (3), the upper end surface of the spare equipment box is a storage platform (14), and a mobile air pump (18) is provided in the spare equipment box.

9. The valve pressure test platform according to claim 8 is characterized in that the valve pressure test platform is turned over. The air cylinder (17) and the pressing air cylinder (10) are connected to a mobile air pump (18) or an air source through pipelines.

10. The valve pressure test platform according to any one of claims 1 to 9, characterized in that An ultrasonic generator (19) is installed on the side wall of the water tank chamber (3).

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