CN223538536U - A gate valve pressure testing device - Google Patents
A gate valve pressure testing deviceInfo
- Publication number
- CN223538536U CN223538536U CN202422729386.1U CN202422729386U CN223538536U CN 223538536 U CN223538536 U CN 223538536U CN 202422729386 U CN202422729386 U CN 202422729386U CN 223538536 U CN223538536 U CN 223538536U
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- gate valve
- water storage
- air
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Abstract
本实用新型涉及闸阀压力测试的技术领域，特别是涉及一种闸阀压力测试装置，其不仅方便了测试装置与闸阀进行连接，避免了工作人员的频繁拆装，提高了测试效率，而且可以对闸阀内部密封性能和闸阀承压性能进行检测，及时发现闸阀的裂纹；包括蓄水机构；还包括提升机构、连接机构、充气机构和输水机构，提升机构安装在蓄水机构上并对带动闸阀移动，连接机构安装在蓄水机构上并对闸阀进行连通，充气机构安装在连接机构上并对闸阀进行加压，输水机构安装在蓄水机构上并检测闸阀本体是否有裂缝。
This utility model relates to the technical field of gate valve pressure testing, and in particular to a gate valve pressure testing device. This device not only facilitates the connection between the testing device and the gate valve, avoiding frequent disassembly and assembly by personnel and improving testing efficiency, but also allows for the detection of the internal sealing performance and pressure-bearing capacity of the gate valve, enabling timely detection of cracks. The device includes a water storage mechanism, a lifting mechanism, a connecting mechanism, an air-pressurizing mechanism, and a water-transmitting mechanism. The lifting mechanism is installed on the water storage mechanism and drives the gate valve to move. The connecting mechanism is installed on the water storage mechanism and connects the gate valve. The air-pressurizing mechanism is installed on the connecting mechanism and pressurizes the gate valve. The water-transmitting mechanism is installed on the water storage mechanism and detects whether there are cracks in the gate valve body.
Description
Technical Field
The utility model relates to the technical field of gate valve pressure testing, in particular to a gate valve pressure testing device.
Background
The gate valve is characterized in that the opening and closing piece of the gate valve is a gate plate, the moving direction of the gate plate is perpendicular to the fluid direction, the gate valve is sealed through contact between a valve seat and the gate plate, normally, a metal material can be deposited on a sealing surface to increase wear resistance, and when the gate valve is closed, the sealing surface can be sealed by means of medium pressure or forced pressing of the gate plate to the valve seat by means of external force to ensure the sealing performance of the sealing surface.
The valve pressure testing device comprises a workbench and supporting legs, wherein the supporting legs are uniformly arranged at the bottom end of the workbench, sealing structures are arranged on two sides of the top end of the workbench, each sealing structure comprises a sealing box, a top cover, sealing bolts, sealing blocks and mounting grooves, the sealing boxes are fixed at the top ends of the workbench, the top ends of the sealing boxes are provided with the top covers, the mounting grooves are uniformly formed in the top covers, when the valve pressure testing device is used, the top ends of air inlet pipes are connected with pipelines responsible for air injection, so that after a power supply is connected, air can be filled into the sealing boxes at the bottom ends of the air inlet pipes from the air inlet pipes according to requirements, the air pressure in the sealing boxes is increased, and after the test is finished, an exhaust pipe is opened, so that excessive air pressure in the sealing boxes can be released by the exhaust pipe.
However, most of the existing pressure test devices require workers to repeatedly assemble and disassemble the valve to the device, so that the valve is very troublesome to use, the pressure test mode is single, the pressure in the pipeline at the rear side of the valve is only detected, and the valve body of the gate valve is difficult to detect when the valve body of the gate valve breaks and leaks air.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the gate valve pressure testing device which is convenient for connecting the testing device with the gate valve, avoids frequent disassembly and assembly of staff, improves the testing efficiency, can detect the internal sealing performance and the pressure bearing performance of the gate valve and timely discovers cracks of the gate valve.
The utility model discloses a gate valve pressure testing device which comprises a water storage mechanism, a lifting mechanism, a connecting mechanism, an inflating mechanism and a water delivery mechanism, wherein the lifting mechanism is arranged on the water storage mechanism and is used for driving the gate valve to move, the connecting mechanism is arranged on the water storage mechanism and is used for communicating the gate valve, the inflating mechanism is arranged on the connecting mechanism and is used for pressurizing the gate valve, the water delivery mechanism is arranged on the water storage mechanism and is used for detecting whether a crack exists in a gate valve body, a worker places the gate valve on the lifting mechanism, the lifting mechanism drives the gate valve to descend, then the connecting mechanism is in sealing communication with two ends of the gate valve, the inflating mechanism is started, the inflating mechanism inflates the inside of the gate valve through the connecting mechanism, the gate valve can bear pressure to test, meanwhile, water is delivered into the water storage mechanism through the water delivery mechanism, a liquid level overflows the gate valve, and whether the gate valve generates air bubbles in the pressure bearing process is observed to judge whether the crack exists in the pressure bearing process or not, so that air leakage is caused.
Preferably, the water storage mechanism comprises a water storage tank, a partition plate, a water delivery pipe and a drain valve, wherein the bottom end of the water storage tank is connected with the ground, a cavity is formed in the water storage tank, the partition plate is arranged in the cavity of the water storage tank and divides the cavity of the partition plate into a left cavity and a right cavity, the water delivery pipe is arranged on the partition plate, the drain valve is arranged on the water delivery pipe, the water delivery mechanism conveys water in the cavity to the right cavity of the water storage tank, the water level exceeds the top end of a gate valve, whether the gate valve leaks air or not is conveniently detected, the water delivery pipe is opened after the test is finished, and the water in the right cavity of the water storage tank is conveyed into the cavity of the water storage tank through the water delivery pipe, so that water is prevented from entering the connecting mechanism.
Preferably, the lifting mechanism comprises four groups of first hydraulic cylinders, four groups of sliding blocks, four groups of limiting rods, two groups of positioning frames and four groups of handles, four groups of sliding grooves are formed in a cavity of the water reservoir, the four groups of first hydraulic cylinders are respectively arranged in the four groups of sliding grooves of the water reservoir and are respectively connected with the bottom ends of the four groups of first hydraulic cylinders, two groups of limiting rods are connected between the two opposite groups of sliding blocks, the two groups of positioning frames are relatively arranged on the four groups of limiting rods in a sliding manner, positioning grooves are formed in the positioning frames, each group of positioning frames are arranged on the two groups of handles, a worker drives the positioning frames to move back and forth on the four groups of limiting rods by pulling the two groups of handles, the distance between the two groups of positioning frames is adjusted, then the gate valve is fixed in the positioning grooves of the two groups of positioning frames, the four groups of first hydraulic cylinders are started, and the four groups of first hydraulic cylinders push the four groups of sliding blocks to slide downwards, so that the connecting ports of the gate valve are aligned with the connecting mechanism.
Preferably, the connecting mechanism comprises four groups of second hydraulic cylinders, two groups of connecting seats, two groups of connecting pipes, two groups of sealing rings and an air pressure detector, wherein the four groups of second hydraulic cylinders are installed in a cavity of the reservoir in a pairwise manner, the connecting seats are installed on the two groups of second hydraulic cylinders on the same side, vent holes are formed in the connecting seats, the two groups of connecting pipes are respectively installed on the two groups of connecting seats and are respectively communicated with the inside of the vent holes of the two groups of connecting seats, the two groups of sealing rings are respectively installed on the two groups of connecting pipes, the bottom ends of the air pressure detector are connected with the top ends of the connecting seats and are communicated with the inside of the vent holes of the connecting seats, the four groups of second hydraulic cylinders push the two groups of connecting seats to be close to each other, the two groups of connecting pipes are communicated with the two ends of the gate valve, the sealing rings are arranged to enhance the sealing effect, air leakage is avoided, and the air charging mechanism conveys air into the gate valve to be detected through the vent holes of the connecting seats on one side, and when the air pressure detector detects that the other side of the gate valve changes.
Preferably, the inflation mechanism comprises a back plate, an air supply pump, an exhaust pipe, an air supply pipe and a check valve, wherein the bottom end of the back plate is connected with the top end of the connecting seat, the air supply pump is arranged on the back plate, the exhaust pipe is arranged on the air supply pump, the air supply pipe is arranged on the air supply pump and is communicated with the inside of a vent hole of the connecting seat, the check valve is arranged on the air supply pipe, the air supply pump is started to exhaust air through the exhaust pipe, then air is conveyed into the vent hole of the connecting seat through the check valve, and the backflow of air pressure in the vent hole is avoided through the arrangement of the check valve.
Preferably, the water delivery mechanism comprises a water pump, a water suction pipe and a second water delivery pipe, wherein the water pump is arranged on the water reservoir, the water suction pipe is arranged on the water pump and is communicated with the inside of the left cavity of the water reservoir, the second water delivery pipe is arranged on the water pump and is communicated with the inside of the right cavity of the water reservoir, when the gate valve is communicated with the two groups of connecting pipes, the water pump is started, the water pump pumps water in the left cavity of the water reservoir out through the water suction pipe, and the water pump conveys the water into the right cavity of the water reservoir through the second water delivery pipe, so that the gate valve is submerged by the water surface.
Compared with the prior art, the utility model has the beneficial effects that a worker places the gate valve on the lifting mechanism, the lifting mechanism drives the gate valve to descend, then the connecting mechanism is communicated with two ends of the gate valve in a sealing way, the inflation mechanism is started, the inflation mechanism inflates the inside of the gate valve through the connecting mechanism, the pressure born by the gate valve is tested, meanwhile, water is conveyed into the water storage mechanism through the water conveying mechanism, the liquid level overflows the gate valve, and whether the gate valve generates cracks in the pressure bearing process or not is judged through observing whether bubbles are generated or not, so that air leakage is caused.
Drawings
FIG. 1 is a schematic illustration of an axially measured structure of the present utility model;
FIG. 2 is a schematic cross-sectional isometric view of the water reservoir of the present utility model;
FIG. 3 is a schematic view of a partially enlarged isometric construction of a lifting mechanism of the present utility model;
FIG. 4 is a schematic view of a cross-sectional isometric structure of the coupling mechanism and water delivery mechanism of the present utility model;
FIG. 5 is a schematic view of a partially enlarged cross-sectional isometric construction of an inflatable mechanism of the present utility model.
The drawing comprises 01, a water storage mechanism, 11, a water storage tank, 12, a partition plate, 13, a water delivery pipe, 14, a drain valve, 02, a lifting mechanism, 21, a first hydraulic cylinder, 22, a sliding block, 23, a limiting rod, 24, a locating rack, 25, a handle, 03, a connecting mechanism, 31, a second hydraulic cylinder, 32, a connecting seat, 33, a connecting pipe, 34, a sealing ring, 35, an air pressure detector, 04, an inflation mechanism, 41, a back plate, 42, an air supply pump, 43, an air exhaust pipe, 44, an air delivery pipe, 45, a check valve, 05, a water delivery mechanism, 51, a water pump, 52, a water suction pipe, 53 and a second water delivery pipe.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
The utility model relates to a gate valve pressure testing device, which comprises a water storage mechanism 01, a lifting mechanism 02, a connecting mechanism 03, an inflating mechanism 04 and a water delivery mechanism 05, wherein the lifting mechanism 02 is arranged on the water storage mechanism 01 and drives a gate valve to move, the connecting mechanism 03 is arranged on the water storage mechanism 01 and communicated with the gate valve, the inflating mechanism 04 is arranged on the connecting mechanism 03 and pressurizes the gate valve, the water delivery mechanism 05 is arranged on the water storage mechanism 01 and detects whether a gate valve body has cracks, the water storage mechanism 01 comprises a water storage tank 11, a partition plate 12, a water delivery pipe 13 and a water discharge valve 14, the bottom end of the water storage tank 11 is connected with the ground, a cavity is arranged in the water storage tank 11, the partition plate 12 is arranged in the cavity of the water storage tank 11 and divides the cavity of the partition plate 12 into a left cavity and a right cavity, the water delivery pipe 13 is arranged on the partition plate 12, the water discharge valve 14 is arranged on the water delivery pipe 13, the lifting mechanism 02 comprises four groups of first hydraulic cylinders 21, Four groups of sliding blocks 22, four groups of limiting rods 23, two groups of locating frames 24 and four groups of handles 25, four groups of sliding grooves are formed in the cavity of the water reservoir 11, four groups of first hydraulic cylinders 21 are arranged on the water reservoir 11, four groups of sliding blocks 22 are respectively and slidably arranged in the four groups of sliding grooves of the water reservoir 11 and are respectively connected with the bottom ends of the four groups of first hydraulic cylinders 21, two groups of limiting rods 23 are connected between the two opposite groups of sliding blocks 22, two groups of locating frames 24 are relatively and slidably arranged on the four groups of limiting rods 23, locating grooves are formed in the locating frames 24, two groups of handles 25 are arranged on each group of locating frames 24, and a connecting mechanism 03 comprises four groups of second hydraulic cylinders 31, The two groups of connecting seats 32, the two groups of connecting pipes 33, the two groups of sealing rings 34 and the air pressure detector 35 are arranged in the cavity of the reservoir 11 in a pair-by-pair manner, the connecting seats 32 are arranged on the two groups of second hydraulic cylinders 31 on the same side, vent holes are formed in the connecting seats 32, the two groups of connecting pipes 33 are respectively arranged on the two groups of connecting seats 32 and respectively communicated with the vent holes of the two groups of connecting seats 32, the two groups of sealing rings 34 are respectively arranged on the two groups of connecting pipes 33, the bottom end of the air pressure detector 35 is connected with the top end of the connecting seat 32 and is communicated with the vent holes of the connecting seat 32, and the air charging mechanism 04 comprises a back plate 41, An air supply pump 42, an air exhaust pipe 43, The bottom end of the back plate 41 is connected with the top end of the connecting seat 32, the air supply pump 42 is arranged on the back plate 41, the air exhaust pipe 43 is arranged on the air supply pump 42, the air supply pipe 44 is arranged on the air supply pump 42 and is communicated with the inside of a vent hole of the connecting seat 32, and the check valve 45 is arranged on the air supply pipe 44; when the device works, firstly, a worker pulls the two groups of handles 25 to drive the positioning frames 24 to move back and forth on the four groups of limiting rods 23, adjusts the distance between the two groups of positioning frames 24, then fixes the gate valve in the positioning grooves of the two groups of positioning frames 24, starts the four groups of first hydraulic cylinders 21, pushes the four groups of sliding blocks 22 to slide downwards to align the connection ports of the gate valve with the two groups of connecting pipes 33, pushes the two groups of connecting seats 32 to approach the four groups of connecting seats 31, enables the two groups of connecting pipes 33 to be communicated with two ends of the gate valve, enhances the sealing effect by arranging the two groups of sealing rings 34 to avoid air leakage, starts the air supply pump 42, pumps air through the air suction pipe 43, then conveys air into the vent holes of the connecting seats 32 through the check valve 45, avoids air pressure in the vent holes from flowing back through the air flow, when the air pressure detector 35 detects the air pressure change, the gate valve indicates that the air leakage exists, the water conveying mechanism 05 conveys water in the cavity to the right cavity of the water conveying pipe 11 to enable the water level to exceed the top end of the gate valve, conveniently detects whether the gate valve has air leakage or not, the air leakage is detected after the gate valve is opened, the air leakage is detected, the water in the cavity 11 is conveyed into the cavity 11 through the water conveying mechanism 13, and the water conveying mechanism is prevented from entering the cavity 11, and the cavity is connected with the cavity 11.
Example 2
As shown in fig. 1 to 5, a gate valve pressure test device of the present utility model is based on embodiment 1; the water delivery mechanism 05 comprises a water pump 51, a water suction pipe 52 and a second water delivery pipe 53, the water pump 51 is arranged on the reservoir 11, the water suction pipe 52 is arranged on the water pump 51 and is communicated with the inside of the left cavity of the reservoir 11, and the second water delivery pipe 53 is arranged on the water pump 51 and is communicated with the inside of the right cavity of the reservoir 11; when the device works, firstly, a worker pulls two groups of handles 25 to drive positioning frames 24 to move back and forth on four groups of limiting rods 23, adjusts the distance between the two groups of positioning frames 24, then fixes a gate valve in positioning grooves of the two groups of positioning frames 24, starts four groups of first hydraulic cylinders 21, pushes four groups of sliding blocks 22 to slide downwards by the four groups of first hydraulic cylinders 21, aligns connection ports of the gate valve with two groups of connecting pipes 33, pushes two groups of connecting seats 32 to approach by the four groups of second hydraulic cylinders 31, enables the two groups of connecting pipes 33 to be communicated with two ends of the gate valve, enhances sealing effect by arranging two groups of sealing rings 34, avoids air leakage, starts an air supply pump 42, and air is pumped by the air pumping pipe 43, then air is conveyed into the vent hole of the connecting seat 32 through the check valve 45, the backflow of air flow with excessive air pressure in the vent hole is avoided through the check valve 45, when the air pressure detector 35 detects the air pressure change, the air leakage condition of the gate valve is indicated, after the gate valve is communicated with the two groups of connecting pipes 33, the water pump 51 is started, the water pump 51 pumps out water in the left cavity of the reservoir 11 through the water suction pipe 52 and conveys the water into the right cavity of the reservoir 11 through the second water conveying pipe 53, the gate valve is submerged by water surface, whether the gate valve has air leakage is conveniently detected, the water conveying pipe 13 is opened after the test is finished, the water in the right cavity of the reservoir 11 is conveyed into the cavity of the reservoir 11 through the water conveying pipe 13, avoiding water flow into the connection 03.
The air supply pump 42 and the water pump 51 of the present utility model are commercially available and will be installed and operated by those skilled in the art according to the accompanying instructions without the need for creative efforts of those skilled in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422729386.1U CN223538536U (en) | 2024-11-10 | 2024-11-10 | A gate valve pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422729386.1U CN223538536U (en) | 2024-11-10 | 2024-11-10 | A gate valve pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223538536U true CN223538536U (en) | 2025-11-11 |
Family
ID=97577261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422729386.1U Active CN223538536U (en) | 2024-11-10 | 2024-11-10 | A gate valve pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223538536U (en) |
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2024
- 2024-11-10 CN CN202422729386.1U patent/CN223538536U/en active Active
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