CN211234848U

CN211234848U - Quick detection device for valve

Info

Publication number: CN211234848U
Application number: CN201922484623.1U
Authority: CN
Inventors: 何文洪
Original assignee: Hangzhou Dingfu Control Valve Co ltd
Current assignee: Remt Valve Jiangsu Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-11
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a quick detection device for valve, including the detection valve, still include the tank, set up the platform of stretching that is used for supporting the detection valve in the tank, set up the aeration component who is used for centre gripping detection valve on stretching the platform and set up the lifting unit who is used for the platform lift of stretching in the tank, can be when detecting the valve, know the gas leakage place of valve, reduced staff's working strength to a certain extent.

Description

Quick detection device for valve

Technical Field

The utility model relates to a valve check out test set field, in particular to a quick detection device for valve.

Background

The control valve is also called valve, is a control component in the fluid conveying system, and has the functions of diversion, interception, regulation, throttling, backflow prevention, diversion or overflow pressure relief and the like. Can be used for controlling various types of fluid activities such as air, water, steam, various corrosive chemical media, mud, liquid metal, radioactive substances and the like.

The utility model discloses a chinese patent publication CN207937131U discloses an air tightness testing device for a valve, which comprises an air injection pipe, a detection curved pipe and a valve, wherein the left end of the air injection pipe and the right end of the detection curved pipe are both welded with a valve clamping main sleeve, the front surface of the valve clamping main sleeve is closely attached with a valve clamping auxiliary sleeve, the upper and lower ends of the outer side wall of the valve clamping main sleeve and the valve clamping auxiliary sleeve are both provided with fastening screw holes, the front surfaces of the valve clamping main sleeve and the valve clamping auxiliary sleeve are respectively embedded with a main seal ring and an auxiliary seal ring, the inner screw of the fastening screw holes is screwed with fastening bolts, the valve clamping main sleeve and the valve clamping auxiliary sleeve are mutually and fixedly connected through the fastening screw holes and the fastening bolts, the air injection pipe and the detection curved pipe are respectively sleeved at the left end and the right end of the valve through the valve clamping main sleeve and the valve clamping auxiliary sleeve, the right-hand member spiro union of gas injection pipe has gas injection box to connect the mouth, the right-hand member welding of gas injection box connection mouth has the gas injection box, the embedding of the right side wall of gas injection box has the gas injection clamp plate, one-way blow vent has been seted up to the inside of gas injection clamp plate, the middle part welding of the internal surface of one-way blow vent has one-way baffle, the upper end welding that detects the bent pipe has the pressure-measuring pipe, the welding has the litter between the upper and lower both sides wall of pressure-measuring pipe, the surface of litter has cup jointed and has detected the cursory, and detects the surface of cursory and the internal surface of pressure-.

However, the technical scheme can only detect whether the valve is qualified, cannot know that the part of the valve is in a problem or cannot know that the part is not tightly connected, and can only determine the problem after comprehensive detection by workers, so that the technical scheme is inconvenient and increases the working intensity of the workers to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a quick detection device for valve can be when detecting the valve, knows the gas leakage place of valve, has reduced staff's working strength to a certain extent.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a rapid detection device for a valve comprises a detection valve, a water storage tank, a stretchable platform arranged in the water storage tank and used for supporting the detection valve, an inflation assembly arranged on the stretchable platform and used for clamping the detection valve, and a lifting assembly arranged in the water storage tank and used for lifting the stretchable platform, wherein the inflation assembly comprises a first cylinder symmetrically fixed on the stretchable platform, a clamping plate fixed on a telescopic rod of the first cylinder, an air inlet hole arranged on the clamping plate and used for filling air into the detection valve, and a first pressure sensor arranged in the clamping plate and used for controlling the moving distance of the clamping plate, the clamping plate is also provided with an air outlet hole communicated with the air inlet hole, the clamping plate is provided with a hole groove, a spring is arranged in the hole groove, one end of the spring is fixed with a pressing plate, and the first pressure sensor is fixed at the bottom of the hole groove, the utility model discloses a portable air storage device, including grip block, telescopic link, intake pipe, venthole, hose, the grip block is kept away from on the terminal surface of telescopic link and is fixed with seal assembly, it is fixed with the intake pipe just to alternate in the intake pipe set up on the lateral wall of intake pipe with the hole that seal assembly is connected, the both sides of tank all are provided with the air pump just the venthole with the end of giving vent to anger of air pump passes through the hose.

By adopting the technical scheme, water is filled in the water storage tank, the installed valve is manually placed on the stretchable platform, the stretchable platform can be adjusted in length, so that the stretchable platform can adapt to the placement of a plurality of valves with different signals, when the valve is placed on the stretchable platform, the first cylinder is started, the telescopic rod of the first cylinder is stretched, the clamping plate fixedly connected with the first cylinder moves, when the pressing plate abuts against one end of the valve, the pressing plate moves towards the hole groove, the pressing plate abuts against the first pressure sensor, the first pressure sensor sends a signal to the corresponding first cylinder, the first cylinder stops, the sealing assembly is positioned between the valve and the clamping plate, the sealing assembly seals a gap between the valve and the clamping plate, the gap between the valve and the clamping plate is avoided, the detection effect is influenced, when the valve is clamped between the two clamping plates, the air pump is started, the air pump can be used for inflating the hose, air can enter the air outlet under the guiding action of the hose, and finally enters the air inlet through the guiding action of the air inlet and the air inlet, because the air inlet pipe is arranged in the water inlet end of the valve, the air in the air inlet pipe can be used for filling air into the valve, the lifting assembly is started later, the lifting assembly can stretch the platform to move downwards, the platform can stretch into water continuously, the air can flow out from the place where the valve is not tightly connected or gaps are formed in the valve, the flowing air can enter the water, the sealing condition of the valve can be observed, and the place where the gaps are formed in the valve can be observed by hands or naked eyes, and the maintenance can be carried out on the valve in the later period by workers conveniently.

Preferably, the stretchable platform comprises a supporting block, sliding blocks symmetrically arranged on the supporting block and in sliding fit with the supporting block, threaded rods symmetrically penetrating through one side of the sliding blocks and in rotating fit with the sliding blocks, a supporting plate fixed on the side wall of one side of the sliding blocks and in sliding fit with the other sliding block, and a rotating rod penetrating through one side of the sliding blocks and driving the threaded rods to rotate, wherein cavities are symmetrically formed in the sliding blocks penetrating through the rotating rod and the rotating rod penetrates through the two cavities, a first bevel gear is symmetrically sleeved outside the rotating rod, a second bevel gear meshed with the first bevel gear is fixedly sleeved outside one end of the threaded rod, one end of the threaded rod, which is far away from the rotating rod, penetrates through the other sliding block and is in threaded fit with the sliding block, and a groove in sliding fit with the supporting plate is formed in the sliding block which is not fixed by the supporting plate.

By adopting the technical scheme, when the distance between the two sliding blocks needs to be adjusted to adapt to more valve models, the rotating rod is rotated by hand, the rotating rod rotates to drive the bevel gear on the rotating rod to rotate, under the meshing fit of the first bevel gear and the second bevel gear, a threaded rod fixedly connected with the second bevel gear is driven to rotate, because the threaded rod is in running fit with the slide block at one side and in thread fit with the slide block at the other side, the distance between the two slide blocks is continuously increased by the rotation of the threaded rod, thereby meeting the requirements of valves of different types, because the slide block at one side is fixed with the supporting plate and the slide block at the other side is provided with the groove which is in sliding fit with the supporting plate, thereby when the distance between two sliders grow, the backup pad also can carry out certain replenishment to the gap between the two, avoids the valve to drop from the gap between two sliders.

Preferably, the lifting component is a second cylinder which is fixed at the bottom of the water storage tank and used for supporting the supporting block to lift.

By adopting the technical scheme, the lifting of the supporting block can be realized through the second cylinder.

Preferably, the sealing assembly comprises a rubber pad arranged on one side of the clamping plate and an air bag arranged between the rubber pad and the clamping plate, the periphery of the rubber pad is fixedly connected with the periphery of the clamping plate, the air inlet pipe penetrates through the rubber pad, the air bag is annular, the inner wall of the air bag is provided with an air delivery hole, and a connecting pipe is arranged between the air delivery hole and the hole.

Adopt above-mentioned technical scheme, when the grip block contradicts the one end of valve, can carry out preliminary filling to the gap between valve and the grip block through rubber pad and gasbag, when the inside gas of valve is sufficient, in the gas that exceeds will enter into the gasbag through the connecting pipe, the gasbag will expand to further filling the gap between valve and the grip block, guarantee that the gap between valve and the grip block can not lead to the fact not good influence to the detection at the back, guarantee the accuracy that detects.

Preferably, a controller is fixed on the side wall of one side of the water storage tank and is electrically connected with the first cylinder, the second cylinder and the air pump.

By adopting the technical scheme, the operation states of the first cylinder, the second cylinder and the air pump can be controlled through the controller, and the operation states of the first cylinder, the second cylinder and the air pump are ensured to be in proper states.

Preferably, a second pressure sensor is fixed on the hose, a pressure display meter is fixed on the side wall of the water storage tank, and the pressure display meter is electrically connected with the second pressure sensor.

By adopting the technical scheme, the pressure sensor II can detect the air pressure in the hose, and the detected air pressure can be timely fed back to the pressure display meter, so that a worker can judge the sealing performance of the valve by using the data on the pressure display meter, and can know whether the valve is qualified.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic diagram illustrating an internal structure of a water storage tank according to an embodiment;

FIG. 3 is a schematic diagram illustrating the positions of the clamping plate and the airbag according to the embodiment;

FIG. 4 is a schematic diagram of an embodiment showing a location of a pressure sensor;

FIG. 5 is a schematic diagram illustrating an internal structure of a slider according to an embodiment.

Reference numerals: 1. detecting a valve; 2. a water storage tank; 3. a first cylinder; 4. a clamping plate; 5. an air inlet; 6. a first pressure sensor; 7. an air outlet; 8. a hole groove; 9. a spring; 10. pressing a plate; 11. an air inlet pipe; 12. a hole; 13. an air pump; 14. a hose; 15. a support block; 16. a slider; 17. a threaded rod; 18. a support plate; 19. a rotating rod; 20. a chamber; 21. a first bevel gear; 22. a second bevel gear; 23. a groove; 24. a second air cylinder; 25. a rubber pad; 26. an air bag; 27. a gas transmission hole; 28. a connecting pipe; 29. a controller; 30. a second pressure sensor; 31. and a pressure display meter.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

Referring to fig. 1 to 4, a quick detection device for valve, including detection valve 1, still include tank 2, set up the platform of can stretching that is used for supporting detection valve 1 in tank 2, set up the subassembly of aerifing that is used for centre gripping detection valve 1 on the platform of stretching and set up the lifting unit that is used for the platform lift of can stretching in tank 2.

As shown in fig. 2 and 5, water is filled into the water storage tank 2, and then the installed valve is manually placed on the stretchable platform, the stretchable platform comprises a supporting block 15, sliders 16 which are symmetrically arranged on the supporting block 15 and are in sliding fit with the supporting block 15, threaded rods 17 which are symmetrically arranged in the sliders 16 on one side and are in rotating fit with the sliders 16, and rotating rods 19 which are arranged in the sliders 16 on one side and are in rotating fit with the threaded rods 16, chambers 20 are symmetrically arranged in the sliders 16 in which the rotating rods 19 are arranged, the rotating rods 19 penetrate through the two chambers 20, bevel gears 21 are symmetrically sleeved on the rotating rods 19, bevel gears 22 which are meshed with the bevel gears 21 are sleeved outside one ends of the threaded rods 17, one ends of the threaded rods 17 far away from the rotating rods 19 are arranged in the other sliders 16 in a penetrating manner, the sliders 16 are in threaded fit, when the distance between the two sliders 16 needs to be adjusted to adapt, the hand is used for rotating the rotary rod, the rotary rod rotates to drive the outer sleeve to be fixed on the first bevel gear 21 on the rotary rod to rotate, the first bevel gear 21 and the second bevel gear 22 are meshed and matched, the threaded rod 17 fixedly connected with the second bevel gear 22 is driven to rotate, the threaded rod 17 is in running fit with the sliding block 16 on one side and in thread fit with the sliding block 16 on the other side, the distance between the two sliding blocks 16 is increased continuously due to the fact that the threaded rod 17 rotates, the requirements of valves of different models can be met, the supporting plate 18 is fixed on the side wall of the sliding block 16 on one side, the supporting plate 18 is in sliding fit with the groove 23 formed in the other sliding block 16, when the distance between the two sliding blocks 16 is increased, the supporting plate 18 can also perform certain supplement on a gap between the two sliding blocks.

As shown in fig. 2, 3 and 4, when a valve is placed on two sliding blocks 16, an inflation assembly is started, the inflation assembly comprises a first cylinder 3 symmetrically fixed on a stretchable platform, a clamping plate 4 fixed on a telescopic rod of the first cylinder 3 and a first pressure sensor 6 arranged in the clamping plate 4 and used for controlling the moving distance of the clamping plate 4, a hole groove 8 is formed in the clamping plate 4, a spring 9 is arranged in the hole groove 8, a pressing plate 10 is fixed at one end of the spring 9, and the first pressure sensor 6 is fixed at the bottom of the hole groove 8, when the first cylinder 3 is started, the telescopic rod of the first cylinder 3 is extended, so that the clamping plate 4 fixedly connected with the first cylinder 3 moves, when the pressing plate 10 abuts against one end of the valve, the pressing plate 10 moves into the hole groove 8, so that the pressing plate 10 abuts against the first pressure sensor 6, the first pressure sensor 6 sends a signal to the corresponding first cylinder 3, thereby cylinder 3 will stop, owing to set up and be used for filling gaseous inlet port 5 in to detecting valve 1 on grip block 4, the venthole 7 that is linked together with inlet port 5 has still been seted up on grip block 4, it is fixed with intake pipe 11 and has seted up hole 12 on the lateral wall of intake pipe 11 to alternate in the inlet port 5, the both sides of reservoir 2 all are provided with air pump 13 and venthole 7 and are connected through hose 14 with the end of giving vent to anger of air pump 13, when the valve centre gripping is between two grip blocks 4, start air pump 13, air pump 13 will aerify in the hose 14, it is gaseous just to enter into venthole 7 under hose 14's guide effect, enter into intake pipe 11 after the guide effect through inlet port 5 and inlet port 5 at last, because intake pipe 11 arranges in the end of intaking of valve, thereby gaseous will be gaseous to the valve intussuseption intake pipe 11.

As shown in figure 3, because the end face of the clamping plate 4 far from the telescopic rod is fixed with the sealing assembly which comprises the rubber pad 25 arranged on one side of the clamping plate 4 and the air bag 26 arranged between the rubber pad 25 and the clamping plate 4, the periphery of the rubber pad 25 is fixedly connected with the periphery of the clamping plate 4, the air inlet pipe 11 penetrates through the rubber pad 25, the air bag 26 is of a circular ring shape, the inner wall of the air bag 26 is provided with the air delivery hole 27, the connecting pipe 28 is arranged between the air delivery hole 27 and the hole 12, when the clamping plate 4 is abutted against one end of the valve, the gap between the valve and the clamping plate 4 can be primarily filled through the rubber pad 25 and the air bag 26, when the gas in the valve is full, the excessive gas can enter the air bag 26 through the connecting pipe 28, the air bag 26 can expand, thereby further filling the gap between the valve and the clamping plate 4, ensuring that the gap between the valve and the clamping plate 4 can not, the accuracy of detection is guaranteed.

As shown in fig. 1, a second pressure sensor 30 is fixed on the hose 14, a second pressure display gauge 31 is fixed on the side wall of the water storage tank 2, the second pressure sensor 30 is electrically connected to the second pressure sensor 30, the second pressure sensor 30 detects the air pressure in the hose 14, the detected air pressure is timely fed back to the second pressure display gauge 31, so that a worker can have more data changes on the second pressure display gauge 31 to judge the sealing performance of the valve and further know whether the valve has an air leakage phenomenon, if the valve does not have the air leakage phenomenon, the lifting assembly does not need to be started, if the air leakage phenomenon exists, the lifting assembly is started, the lifting assembly is a second air cylinder 24 fixed at the bottom of the water storage tank 2 for supporting the supporting block 15 to lift, the second air cylinder 24 moves the stretchable platform downwards, and then the stretchable platform continuously enters water, the gas can flow out from the position where the valve is not tightly connected or the position where the valve has a gap, and the flowing gas can enter the water, so that the sealing condition of the valve can be observed, and the position where the valve has the gap can be observed by hand feeling or naked eyes, and the valve is convenient for workers to maintain at the later stage.

As shown in fig. 1, a controller 29 is fixed on a side wall of the water storage tank 2, the controller 29 is electrically connected with the first cylinder 3, the second cylinder 24 and the air pump 13, and the controller 29 can control the operation states of the first cylinder 3, the second cylinder 24 and the air pump 13 to ensure that the operation states of the first cylinder 3, the second cylinder 24 and the air pump 13 are in a proper state.

Claims

1. A quick detection device for a valve comprises a detection valve (1) and is characterized by further comprising a water storage pool (2), a stretchable platform arranged in the water storage pool (2) and used for supporting the detection valve (1), an inflation assembly arranged on the stretchable platform and used for clamping the detection valve (1), and a lifting assembly arranged in the water storage pool (2) and used for lifting the stretchable platform, wherein the inflation assembly comprises a cylinder I (3) symmetrically fixed on the stretchable platform, a clamping plate (4) fixed on a telescopic rod of the cylinder I (3), an air inlet hole (5) arranged on the clamping plate (4) and used for filling air into the detection valve (1), and a pressure sensor I (6) arranged in the clamping plate (4) and used for controlling the moving distance of the clamping plate (4), and an air outlet hole (7) communicated with the air inlet hole (5) is further formed in the clamping plate (4), seted up hole groove (8) on grip block (4) just be provided with spring (9) in hole groove (8), the one end of spring (9) is fixed with clamp plate (10) just pressure sensor (6) are fixed in the bottom of hole groove (8), grip block (4) are kept away from and are fixed with seal assembly on the terminal surface of telescopic link, it is fixed with intake pipe (11) just to alternate in inlet port (5) set up on the lateral wall of intake pipe (11) with hole (12) that seal assembly is connected, the both sides of reservoir (2) all are provided with air pump (13) just venthole (7) with the end of giving vent to anger of air pump (13) is connected through hose (14).

2. The rapid detection device for the valve according to claim 1, wherein the stretchable platform comprises a support block (15), sliders (16) symmetrically arranged on the support block (15) and in sliding fit with the support block (15), threaded rods (17) symmetrically penetrating through one side of the sliders (16) and in rotating fit with the sliders (16), a support plate (18) fixed on the side wall of one side of the sliders (16) and in sliding fit with the other sliders (16), and a rotating rod (19) penetrating through one side of the sliders (16) and driving the threaded rods (17) to rotate, wherein cavities (20) are symmetrically formed in the sliders (16) penetrating through the rotating rod (19), the rotating rod (19) penetrates through the two cavities (20), a first bevel gear (21) is symmetrically sleeved on the rotating rod (19), and a second bevel gear (a) (a second bevel gear) meshed with the first bevel gear (21) is fixed on one end of the threaded rod (17) 22) One end of the threaded rod (17) far away from the rotating rod (19) penetrates through the other sliding block (16) and is in threaded fit with the sliding block (16), and a groove (23) in sliding fit with the supporting plate (18) is formed in the sliding block (16) which is not fixed with the supporting plate (18).

3. The rapid detection device for the valve according to claim 2, wherein the lifting component is a second cylinder (24) fixed at the bottom of the water storage tank (2) for supporting the supporting block (15) to lift.

4. The rapid detection device for the valve according to claim 3, wherein the sealing assembly comprises a rubber pad (25) disposed on one side of the clamping plate (4) and an air bag (26) disposed between the rubber pad (25) and the clamping plate (4), the periphery of the rubber pad (25) is fixedly connected with the periphery of the clamping plate (4), the air inlet pipe (11) penetrates through the rubber pad (25), the air bag (26) is annular, the inner wall of the air bag (26) is provided with an air delivery hole (27), and a connecting pipe (28) is disposed between the air delivery hole (27) and the hole (12).

5. The rapid detection device for the valve according to claim 4, wherein a controller (29) is fixed on one side wall of the water storage tank (2), and the controller (29) is electrically connected with the first cylinder (3), the second cylinder (24) and the air pump (13).

6. The rapid detection device for the valve according to claim 4, wherein a second pressure sensor (30) is fixed on the hose (14) and a pressure display meter (31) is fixed on the side wall of the water storage tank (2), and the pressure display meter (31) is electrically connected with the second pressure sensor (30).