CN112098003A

CN112098003A - Leakage detection equipment for safety valve

Info

Publication number: CN112098003A
Application number: CN202010956935.2A
Authority: CN
Inventors: 张晓忠; 夏胜建; 张晓秋; 黄晓云; 全军
Original assignee: Baoyi Group Co ltd
Current assignee: Baoyi Group Co ltd
Priority date: 2020-09-12
Filing date: 2020-09-12
Publication date: 2020-12-18
Anticipated expiration: 2040-09-12
Also published as: CN112098003B

Abstract

The invention discloses leakage detection equipment for a safety valve, which comprises a frame, wherein a first hydraulic rod is arranged on the inner surface of the top of the frame, a sponge cushion is arranged at the bottom of the first hydraulic rod, a groove plate is eccentrically arranged on the upper surface of the top of the frame, a rack is arranged at the bottom of a base, a clamping device is arranged at the top of the base, a gear is arranged at the bottom of the rack, a second hydraulic rod is arranged at the bottom of the first movable rod, a second movable rod is arranged on the side surface of the first movable rod, a connecting block is arranged on the side surface of the third movable rod, a transmission rod is arranged at the bottom of a limit rod belt, a rubber ring is arranged at the top of a dropper, and through the arrangement of the clamping device, when the safety valve needs to be detected, the safety valve only needs to be placed on the side surface of the clamping rod and the first threaded rod is rotated, and then the clamping, and clamping the safety valve.

Description

Leakage detection equipment for safety valve

Technical Field

The invention relates to the technical field of safety valve detection, in particular to leakage detection equipment for a safety valve.

Background

The safety valve is one of valves, but compared with other valves, the safety valve is more specific because the safety valve not only can play a role of opening and closing, but also has a role of protecting equipment safety, when the system pressure exceeds a specified value, the safety valve is opened, a part of gas/fluid in the system is discharged out of the atmosphere/pipeline, the system pressure does not exceed an allowable value, and therefore the system is ensured not to have an accident due to overhigh pressure, the sealing performance of the safety valve is important, and many manufacturers can check the sealing line of the safety valve when producing the safety valve.

Although the existing safety valve detection equipment is various, a plurality of equipment are complex to operate, do not have an automatic detection function, and are time-consuming and labor-consuming to detect, so that the leakage detection equipment for the safety valve is provided.

Disclosure of Invention

The invention aims to provide leakage detection equipment for a safety valve, which aims to solve the problems that many existing safety valve detection equipment in the background art are complex in operation, do not have an automatic detection function and are time-consuming and labor-consuming in detection.

In order to achieve the purpose, the invention provides the following technical scheme: a leakage detection device for a safety valve comprises a frame, wherein a first hydraulic rod is installed on the inner surface of the top of the frame, a spongy cushion is installed at the bottom of the first hydraulic rod, a groove plate is installed on the top of the frame in a surface deviation mode, a base is embedded in the surface of the groove plate, a rack is installed at the bottom of the base, a clamping device is installed at the top of the base, a gear is installed at the bottom of the rack, a first motor is installed on the side face of the gear, a supporting rod is installed on the side face of the gear in a deviation mode, a transmission wheel is installed on the surface of the supporting rod in a surface deviation mode, a second threaded rod is installed on the side face of the transmission wheel, a second motor is installed at the bottom of the second threaded rod, a first sliding block is installed on the top of the transmission wheel in a deviation mode, a first spring is installed on, the utility model discloses a burette, including first movable rod, second movable rod, stopper, transfer line, rubber ring, second spring, first movable rod, second movable rod, third movable rod, coupling block, stopper, transfer line, rubber ring, rubber.

Preferably, the rack and the base are designed in an integrated mode, the base is connected with the groove plate in a sliding mode, and the rack drives the base to form a sliding structure through the gear.

Preferably, the driving wheel is in sliding connection with the supporting rod, the driving wheel is installed in a fit manner with the second threaded rod and matched with the second threaded rod in size, and the second threaded rod drives the driving wheel to form a sliding structure on the supporting rod through the second motor.

Preferably, the first spring and the inner side surface of the first sliding block are fixedly installed, the first spring penetrates through the inside of the supporting rod and is fixedly installed on the inner side of the driving wheel, and the first sliding block forms a sliding structure through the driving wheel and the first spring.

Preferably, first slider and second spring are provided with three groups altogether, the second spring is fixed connection with first slider and rubber circle, the top of bracing piece is 35 slope designs, and the second spring drives the rubber circle through first slider and constitutes extending structure.

Preferably, the first movable rod and the connecting rod are in shaft connection, the second hydraulic rod and the first movable rod are in shaft connection, and the first movable rod forms a rotating structure through the second hydraulic rod.

Preferably, the second sliding block is in sliding connection with the limiting rod, the third movable rod is in movable connection with the connecting block, the clamping block is in shaft connection with the first movable rod, and the clamping block and the second sliding block form a clamping structure through the first movable rod.

Preferably, clamping device includes ring, spacing frame, clamping bar down, goes up ring, lug, fixed block and first threaded rod, the ring is installed in the top of base down, and the top of ring installs spacing frame down, the clamping bar is installed to the inboard of spacing frame, the ring is installed at the top of spacing frame, the lug is installed and is installed the fixed block in the side of ring and the top of lug down, first threaded rod is installed to the fixed block inboard.

Preferably, the limiting frame, the upper ring and the lower ring are connected through shafts, the clamping rod is connected with the base through the shafts, the clamping rod and the limiting frame are installed in a fitting mode, and the clamping rod and the lower ring form a clamping structure through a first threaded rod.

Compared with the prior art, the invention has the beneficial effects that:

1. this safety valve is with revealing check out test set through clamping device's setting, when needs detect the relief valve, only needs place it in the side of clamping bar to rotate first threaded rod, the clamping bar can be through the rotatory clamping structure that forms of lower ring afterwards, carries out the centre gripping to the relief valve.

2. This safety valve is with revealing check out test set, after all were ready, the second hydraulic stem can form open state gradually, can drive the second slider afterwards and slide on the gag lever post to finally drive the grip block through first movable rod and break away from the burette, make the water of burette no longer be in vacuum state, convenient subsequent detection.

3. This safety valve is with revealing check out test set through the setting of second threaded rod, when it is rotatory, can drive the grip block rebound of centre gripping burette through the drive wheel for the burette contacts with the relief valve that needs detected gradually, makes things convenient for burette top rubber snare on the relief valve through-hole.

4. This check out test set is revealed with safe valve through the setting of first spring, when the drive wheel rebound, can drive first slider through first spring and remove, again because the first half of bracing piece is curved shape design, so when first slip removal, the second spring can contract gradually to drive the rubber circle and adhere to on the relief valve.

5. The leakage detection equipment for the safety valve is high in automation degree, simple in detection process and has certain linkage, a plurality of troubles caused by manual detection are solved, the detection result is accurate, and the tightness of the safety valve can be reflected visually.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of a portion of the present invention;

FIG. 3 is a schematic view of a clamping block structure according to the present invention;

FIG. 4 is a schematic view of a clamping bar according to the present invention;

FIG. 5 is a schematic diagram of a second spring structure according to the present invention.

In the figure: 1. a frame; 2. a first hydraulic lever; 3. a sponge cushion; 4. a first motor; 5. a groove plate; 6. a base; 7. a rack; 8. a clamping device; 801. a lower circular ring; 802. a limiting frame; 803. a clamping bar; 804. an upper circular ring; 805. a bump; 806. a fixed block; 807. a first threaded rod; 9. a gear; 10. a support bar; 11. a driving wheel; 12. a second threaded rod; 13. a second motor; 14. a first slider; 15. a first spring; 16. a connecting rod; 17. a first movable bar; 18. a second hydraulic rod; 19. a second movable bar; 20. a transmission rod; 21. a dropper; 22. a second slider; 23. a third movable bar; 24. a second spring; 25. a limiting rod; 26. a clamping block; 27. a rubber ring; 28. a connecting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a leakage detection device for a safety valve comprises a frame 1, wherein a first hydraulic rod 2 is installed on the inner surface of the top of the frame 1, a sponge cushion 3 is installed at the bottom of the first hydraulic rod 2, a groove plate 5 is installed on the upper surface of the top of the frame 1 in a deviating mode, a base 6 is embedded on the surface of the groove plate 5, a rack 7 is installed at the bottom of the base 6, a clamping device 8 is installed on the top of the base 6, the clamping device 8 comprises a lower circular ring 801, a limiting frame 802, clamping rods 803, an upper circular ring 804, a bump 805, a fixing block 806 and a first threaded rod 807, the lower circular ring 801 is installed on the top of the base 6, the limiting frame 802 is installed on the top of the lower circular ring 801, the clamping rods 803 are installed on the inner side of the limiting frame 802, the upper circular ring 804 is installed on the top of the limiting frame 802, the bump is installed on the side surface of the lower circular, the limit frame 802 is connected with the upper ring 804 and the lower ring 801 through shafts, the clamping rod 803 is connected with the base 6 through the shafts, the clamping rod 803 is installed with the limit frame 802 in a fitting manner, the clamping rod 803 and the lower ring 801 form a clamping structure through a first threaded rod 807, when a safety valve needs to be detected, the safety valve is only required to be placed on the side surface of the clamping rod 803, the first threaded rod 807 is rotated, then the clamping rod 803 forms the clamping structure through the rotation of the lower ring 801 to clamp the safety valve, a gear 9 is installed at the bottom of the rack 7, the rack 7 and the base 6 are designed into a whole, the base 6 is in sliding connection with the groove plate 5, the rack 7 drives the base 6 through the gear 9 to form a sliding structure, the first motor 4 is installed on the side surface of the gear 9, the support rod 10 is installed on the side surface of the gear 9 in a deviating manner, a transmission wheel 11 is installed on the surface of, and the bottom of the second threaded rod 12 is installed with the second motor 13, the driving wheel 11 is connected with the support rod 10 in a sliding way, the driving wheel 11 is installed with the second threaded rod 12 in a fitting way and matched with the size of the second threaded rod, the second threaded rod 12 drives the driving wheel 11 to form a sliding structure on the support rod 10 through the second motor 13, the top of the driving wheel 11 is eccentrically installed with the first slider 14, and the inner side surface of the first slider 14 is installed with the first spring 15, through the arrangement of the first spring 15, when the driving wheel 11 moves upwards, the first slider 14 is driven to move through the first spring 15, and because the upper half part of the support rod 10 is designed in a bending way, when the first slider 14 moves, the second spring 24 gradually contracts and drives the rubber ring 27 to be attached to the safety valve, the inner side surfaces of the first spring 15 and the first slider 14 are fixedly installed, and the first spring 15 penetrates through the inside of the support rod 10 and is fixedly installed with, and the first slide block 14 forms a sliding structure through a driving wheel 11 and a first spring 15, an engaging rod 16 is arranged on the side surface of the driving wheel 11, and the side surface of the connecting rod 16 is provided with a first movable rod 17, the first movable rod 17 is connected with the connecting rod 16 through a shaft, a second hydraulic rod 18 is connected with the first movable rod 17 through a shaft, the first movable rod 17 forms a rotating structure through a second hydraulic rod 18, the second hydraulic rod 18 is arranged at the bottom of the first movable rod 17, the second movable rod 19 is arranged on the side surface of the first movable rod 17, and a third movable bar 23 is installed at the side of the second movable bar 19, an engagement block 28 is installed at the side of the third movable bar 23, and the inner side surface of the connecting block 28 is provided with a limiting rod 25, the bottom of the limiting rod 25 is provided with a transmission rod 20, and a dropper 21 is installed on the surface of the transmission rod 20 in a penetrating manner, a rubber ring 27 is installed on the top of the dropper 21, and a second spring 24 is installed on the side surface of the rubber ring 27. The first slider 14 and the second spring 24 are provided with three groups, the second spring 24, the first slider 14 and the rubber ring 27 are fixedly connected, the top of the support rod 10 is designed to be inclined at 35 degrees, the second spring 24 drives the rubber ring 27 through the first slider 14 to form a telescopic structure, the second slider 22 and the limit rod 25 are in sliding connection, the third movable rod 23 is movably connected with the linking block 28, the clamping block 26 is connected with the first movable rod 17 through a shaft, the clamping block 26 and the second slider 22 form a clamping structure through the first movable rod 17, through the arrangement of the second threaded rod 12, when the second threaded rod rotates, the clamping block 26 clamping the dropper 21 is driven by the driving wheel 11 to move upwards, so that the dropper 21 is gradually contacted with a safety valve to be detected, the rubber ring 27 at the top of the dropper 21 is conveniently sleeved on a through hole of the safety valve, after all the parts are ready, the second hydraulic rod 18 gradually forms a state, the second sliding block 22 can be driven to slide on the limiting rod 25, and finally the clamping block 26 is driven to be separated from the dropper 21 through the first movable rod 17, so that water of the dropper 21 is no longer in a vacuum state, subsequent detection is facilitated, the device is high in automation degree, simple in detection process and has certain linkage, a plurality of troubles brought by manual detection are solved, the detection result is accurate, and the strength of the sealing performance of the safety valve can be intuitively reflected.

The working principle is as follows: the leakage detection equipment for the safety valve is characterized in that when the leakage detection equipment is used, firstly, a safety valve to be detected is placed on the side face of a clamping rod 803, then, a first threaded rod 807 is rotated, the first threaded rod 807 can drive a fixing block 806 to move forwards, in the movement of the fixing block 806, a lower ring 801 and an upper ring 804 can be driven to form a rotating structure, then, two groups of rings can drive the clamping rod 803 to form a clamping structure for the safety valve through a limiting frame 802, under the action of a first motor 4, a gear 9 starts to rotate, and a base 6 is driven to slide in a groove plate 5 through a rack 7, so that the safety valve is transported forwards, when the safety valve is transported to the bottom of a sponge pad 3, a first hydraulic rod 2 can drive the sponge pad 3 to move downwards, so that the sponge pad 3 is connected with the top of the safety valve, then, a second motor 13 can drive a second threaded rod 12 to rotate, and simultaneously, a first movable rod 17 can be driven to, at this time, the clamping block 26 is in a state of clamping the dropper 21, when the driving wheel 11 gradually moves upwards, the first sliding block 14 is driven by the second spring 24 to slide upwards, and because the upper portion of the supporting rod 10 is in a curved design, as the first slider 14 is continuously moved upward, the second spring 24 is gradually contracted, and drives the diameter of the rubber ring 27 to gradually reduce, and finally, the rubber ring 27 is sleeved at the bottom of the safety valve in cooperation with the dropper 21 to continuously rise, and then, the second hydraulic rod 18 is contracted, in the contraction process, the second sliding block 22 slides upwards on the limiting rod 25, and drives the clamping block 26 to release the dropper 21 through the first movable rod 17, at the moment, the state of water in the dropper 21 is observed, if the water in the drop tube 21 drops all the time, the sealing performance of the safety valve is not over-closed, and if the safety valve is in a static state, the sealing performance of the safety valve is good.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A leak detection apparatus for a relief valve, comprising a frame (1), characterized in that: the frame is characterized in that a first hydraulic rod (2) is installed on the inner surface of the top of the frame (1), a sponge cushion (3) is installed at the bottom of the first hydraulic rod (2), a groove plate (5) is installed on the upper surface of the top of the frame (1) in a deviating mode, a base (6) is embedded in the surface of the groove plate (5), a rack (7) is installed at the bottom of the base (6), a clamping device (8) is installed at the top of the base (6), a gear (9) is installed at the bottom of the rack (7), a first motor (4) is installed on the side face of the gear (9), a supporting rod (10) is installed on the side face of the gear (9) in a deviating mode, a driving wheel (11) is installed on the surface of the supporting rod (10), a second threaded rod (12) is installed on the side face of the driving wheel (11, the top of the driving wheel (11) is provided with a first sliding block (14) in a deviating manner, a first spring (15) is arranged on the inner side surface of the first sliding block (14), a connecting rod (16) is arranged on the side surface of the driving wheel (11), a first movable rod (17) is arranged on the side surface of the connecting rod (16), a second hydraulic rod (18) is arranged at the bottom of the first movable rod (17), a second movable rod (19) is arranged on the side surface of the first movable rod (17), a third movable rod (23) is arranged on the side surface of the second movable rod (19), a connecting block (28) is arranged on the side surface of the third movable rod (23), a limiting rod (25) is arranged on the inner side surface of the connecting block (28), a transmission rod (20) is arranged at the bottom of the limiting rod (25), a dropper (21) is arranged on the surface of the transmission rod (20) in a penetrating manner, a rubber ring (27) is arranged at the top of the, and a second spring (24) is arranged on the side surface of the rubber ring (27).

2. A leak detection apparatus for a relief valve according to claim 1, wherein: the rack (7) and the base (6) are designed in an integrated mode, the base (6) is connected with the groove plate (5) in a sliding mode, and the rack (7) drives the base (6) through the gear (9) to form a sliding structure.

3. A leak detection apparatus for a relief valve according to claim 1, wherein: the transmission wheel (11) is in sliding connection with the support rod (10), the transmission wheel (11) is attached to a second threaded rod (12) and matched with the second threaded rod in size, and the second threaded rod (12) drives the transmission wheel (11) to form a sliding structure on the support rod (10) through a second motor (13).

4. A leak detection apparatus for a relief valve according to claim 1, wherein: the first spring (15) and the inner side surface of the first sliding block (14) are fixedly installed, the first spring (15) penetrates through the supporting rod (10) and is fixedly installed on the inner side of the driving wheel (11), and the first sliding block (14) forms a sliding structure through the driving wheel (11) and the first spring (15).

5. A leak detection apparatus for a relief valve according to claim 1, wherein: first slider (14) and second spring (24) are provided with three groups altogether, second spring (24) are fixed connection with first slider (14) and rubber circle (27), the top of bracing piece (10) is 35 slope designs, and second spring (24) drive rubber circle (27) through first slider (14) and constitute extending structure.

6. A leak detection apparatus for a relief valve according to claim 1, wherein: the first movable rod (17) is in shaft connection with the connecting rod (16), the second hydraulic rod (18) is in shaft connection with the first movable rod (17), and the first movable rod (17) forms a rotating structure through the second hydraulic rod (18).

7. A leak detection apparatus for a relief valve according to claim 1, wherein: second slider (22) are sliding connection with gag lever post (25), third movable rod (23) are swing joint with linking piece (28), grip block (26) are the hub connection with first movable rod (17), and grip block (26) constitute clamping structure through first movable rod (17) and second slider (22).

8. A leak detection apparatus for a relief valve according to claim 1, wherein: clamping device (8) include ring (801), spacing frame (802), clamping bar (803), go up ring (804), lug (805), fixed block (806) and first threaded rod (807) down, install at the top of base (6) ring (801) down, and spacing frame (802) are installed at the top of ring (801) down, clamping bar (803) are installed to the inboard of spacing frame (802), last ring (804) are installed at the top of spacing frame (802), fixed block (806) are installed at the side of ring (801) and the top of lug (805) down in lug (805), first threaded rod (807) are installed to fixed block (806) inboard.

9. A leak detection apparatus for a relief valve according to claim 8, wherein: spacing frame (802) and last ring (804) and lower ring (801) are the hub connection, clamping bar (803) and base (6) are the hub connection, clamping bar (803) and spacing frame (802) are the laminating installation, and clamping bar (803) constitute clamping structure through first threaded rod (807) and lower ring (801).