CN210221708U

CN210221708U - Pressure vessel pressure resistance testing device

Info

Publication number: CN210221708U
Application number: CN201920917447.3U
Authority: CN
Inventors: Weidong Su; 苏卫东; Shanhui Zhang; 张善辉
Original assignee: Baicheng Special Equipment Inspection Center
Current assignee: Baicheng Special Equipment Inspection Center
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-03-31
Anticipated expiration: 2029-06-18

Abstract

The utility model belongs to the technical field of the check out test set, especially, be a withstand voltage verifying attachment of pressure vessel, the base, the top fixed mounting of base has the mount pad, and the standing groove has been seted up at the top of mount pad, and slidable mounting has the fly leaf in the standing groove, and the gas cylinder has been placed at the top of fly leaf, and outside the top of gas cylinder extended to the standing groove, three fixed slot had been seted up to the bottom of fly leaf, and fixed mounting has three connecting rod on the bottom inner wall of standing groove, and the top of three connecting rod extends to corresponding fixed slot respectively in, and fixed mounting has three first spring on the bottom inner wall of standing groove, and three first spring overlaps respectively to be. The utility model discloses simple structure, the simple operation, economical and practical is convenient for promote the gas cylinder and is removed, and labour saving and time saving is removing the in-process, can cushion the vibrational force that the gas cylinder received to protect the gas cylinder, improved the security performance.

Description

Pressure vessel pressure resistance testing device

Technical Field

The utility model relates to an inspection equipment technical field especially relates to a pressure vessel pressure-resistant verifying attachment.

Background

According to the requirements of fixed pressure vessel safety technology supervision regulations and pressure vessel regular inspection rules, a pressure-resistant test is required to be carried out during regular inspection of a liquefied petroleum gas storage tank in a common liquefied petroleum gas filling station, a gas-liquid mixed pressure-resistant test method is widely applied to detected personnel all the time because of small preparation workload, simple operation, low risk coefficient and intuitive observation experiment results, and the method mainly comprises the following steps: a common nitrogen gas bottle is connected with a blow-down valve of a liquefied petroleum gas storage tank through a pressure reducing valve and a hose, nitrogen in the gas bottle is pressed into the storage tank which is filled with clean water and is well sealed through the pressure reducing valve, after the pressure of a pressure resistance test is reached, the leakage condition and the surface condition of the storage tank are observed, in the process, a pressure reducing valve air guide pipe is generally carried by an inspector on a vehicle, and after the pressure resistance test is reached, the gas bottle is connected with the storage tank, so that the pressure resistance test can be.

Through retrieval, the No. CN202471513U discloses a pressure vessel pressure resistance inspection device, in particular to a pressure vessel pressure resistance inspection device, which belongs to the technical field of pressure vessels and solves the defects of complex operation, potential safety hazard and short service life in the pressure vessel pressure resistance inspection process in the prior art, and the pressure vessel pressure resistance inspection device mainly comprises a flange, a pressure reducing valve with a protective layer and a gas cylinder, wherein one end of the pressure reducing valve is connected with the flange through a gas guide tube made of a metal hose material, and the other end of the pressure reducing valve is connected with the gas cylinder; the flange is provided with a DN40 interface, a DN50 interface, a DN65 interface and a DN80 interface, the device is mainly used for pressure-resistant inspection of the liquefied petroleum gas storage tank and can also be used for pressure-resistant inspection of other pressure-resistant containers, however, in the prior art, due to the fact that the weight and the size of the gas cylinder are large, workers are not convenient to move the gas cylinder to a designated position or a designated site, multiple persons are required to carry the gas cylinder or pull the gas cylinder by using a plate trailer, time and labor are wasted, and vibration on the gas cylinder cannot be buffered during carrying, so that the gas cylinder is easy to damage, and certain danger exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pressure vessel pressure-resistant testing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the pressure vessel pressure resistance testing device comprises a base, wherein a mounting seat is fixedly arranged at the top of the base, a placing groove is formed in the top of the mounting seat, a movable plate is arranged in the placing groove in a sliding manner, a gas cylinder is placed at the top of the movable plate, the top of the gas cylinder extends out of the placing groove, three fixing grooves are formed in the bottom of the movable plate, three connecting rods are fixedly arranged on the inner wall of the bottom of the placing groove, the top ends of the three connecting rods respectively extend into the corresponding fixing grooves, three first springs are fixedly arranged on the inner wall of the bottom of the placing groove, the three first springs are respectively sleeved on the corresponding connecting rods, the top ends of the three first springs are respectively fixedly arranged at the bottom of the movable plate, two guide grooves are formed in the top of the mounting seat, the placing groove is positioned between the two guide grooves, guide rods are respectively and slidably, the top ends of the two guide rods are fixedly provided with fixed blocks, one sides of the two fixed blocks, which are close to each other, are respectively provided with a sliding groove, the two sliding grooves are respectively internally and slidably provided with a sliding rod, one end of the sliding rod extends out of the sliding groove, one ends of the two sliding rods, which are close to each other, are respectively and fixedly connected with one sides of the two arc-shaped clamping plates, which are far away from each other, are respectively provided with a threaded hole, the two threaded holes are respectively and threadedly provided with a lead screw, the two ends of the lead screw extend out of the threaded hole, one ends of the two lead screws, which are close to each other, are respectively contacted with the corresponding sliding rods, the top of the base is fixedly provided with a support column, the top of the support column is fixedly provided with a transverse plate, and the top of the, a flange is arranged at the top of the transverse plate.

Preferably, a first air pipe is arranged between the air bottle and the pressure reducing valve, the air bottle is connected with the pressure reducing valve through the first air pipe, a second air pipe is arranged between the flange and the pressure reducing valve, and the flange is connected with the pressure reducing valve through the second air pipe.

Preferably, the bottom fixed mounting of base has four universal wheels, and four universal wheels are two bisymmetry settings, and the both sides of fly leaf are all nested and have the ball, and two balls respectively with the both sides inner wall rolling contact of standing groove, the equal fixed mounting of one end that two lead screws kept away from each other has the handle.

Preferably, first limiting grooves are formed in the inner walls of the two sides of the guide groove, first limiting blocks are fixedly mounted on the two sides of the guide rod, and the first limiting blocks are slidably mounted in the corresponding first limiting grooves.

Preferably, a second limiting groove is formed in the inner wall of the top of the sliding groove and the inner wall of the bottom of the sliding groove, a second limiting block is fixedly mounted at the top and the bottom of the sliding rod, and the second limiting blocks are slidably mounted in the corresponding second limiting grooves.

Preferably, two arc splint equal fixed mounting in one side that are close to each other have the blotter, and two blotters all contact with the gas cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device comprises a base, a mounting seat, a placing groove, a movable plate, a gas cylinder, a fixed groove, a connecting rod, a first spring, a guide groove, a guide rod, a fixed block, a sliding groove, a sliding rod, an arc-shaped clamping plate, a second spring, a threaded hole, a screw rod, a supporting column, a transverse plate, a pressure reducing valve and a flange which are matched, the gas cylinder is placed on the movable plate, two handles are respectively and clockwise rotated, the handles drive the screw rod to rotate and move towards the direction in the corresponding sliding groove, the screw rod pushes the sliding rod and the arc-shaped clamping plate to move, the second spring is tensioned and deformed, when the gas cylinder is firmly clamped by the two arc-shaped clamping plates, the two handles stop rotating, so that the gas cylinder is fixed on the mounting seat, then the base and the gas cylinder can be pushed by four universal wheels to move, when the gas cylinder generates vertical, the three connecting rods respectively slide in the corresponding fixed grooves, the three first springs are deformed under pressure, the gas cylinder is clamped and fixed through the two arc-shaped clamping plates, the gas cylinder drives the two arc-shaped clamping plates to move downwards, the two arc-shaped clamping plates respectively drive the corresponding sliding rods and the corresponding fixed blocks to move downwards, the two fixed blocks respectively drive the corresponding guide rods to slide downwards, the vertical vibration force generated by the gas cylinder can be buffered by utilizing the elastic force of the three first springs, when the gas cylinder generates horizontal vibration, the horizontal vibration force borne by the gas cylinder can be buffered by utilizing the two buffer pads, so that the gas cylinder is protected, when the gas cylinder needs to be taken down and replaced, the two handles are rotated anticlockwise, and the fixation of the two arc-shaped clamping plates on the gas cylinder can be released;

the utility model discloses simple structure, the simple operation, economical and practical is convenient for promote the gas cylinder and is removed, and labour saving and time saving is removing the in-process, can cushion the vibrational force that the gas cylinder received to protect the gas cylinder, improved the security performance.

Drawings

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

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 2;

fig. 4 is a schematic top view of the gas cylinder and two arc-shaped clamping plates.

In the figure: 1. a base; 2. a mounting seat; 3. a placement groove; 4. a movable plate; 5. a gas cylinder; 6. fixing grooves; 7. a connecting rod; 8. a first spring; 9. a guide groove; 10. a guide bar; 11. a fixed block; 12. a chute; 13. a slide bar; 14. an arc-shaped splint; 15. a second spring; 16. a threaded hole; 17. a screw rod; 18. a support pillar; 19. a transverse plate; 20. a pressure reducing valve; 21. and (4) a flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a pressure vessel pressure resistance testing device comprises a base 1, wherein a mounting seat 2 is fixedly mounted at the top of the base 1, a placing groove 3 is formed in the top of the mounting seat 2, a movable plate 4 is slidably mounted in the placing groove 3, a gas cylinder 5 is placed at the top of the movable plate 4, the top of the gas cylinder 5 extends out of the placing groove 3, three fixing grooves 6 are formed in the bottom of the movable plate 4, three connecting rods 7 are fixedly mounted on the inner wall of the bottom of the placing groove 3, the top ends of the three connecting rods 7 respectively extend into the corresponding fixing grooves 6, three first springs 8 are fixedly mounted on the inner wall of the bottom of the placing groove 3, the three first springs 8 are respectively sleeved on the corresponding connecting rods 7, the top ends of the three first springs 8 are fixedly mounted at the bottom of the movable plate 4, two guide grooves 9 are formed in the top of the mounting seat 2, the placing groove 3 is positioned between the two guide, the top ends of the two guide rods 10 respectively extend out of the corresponding guide grooves 9, the top ends of the two guide rods 10 are fixedly provided with fixed blocks 11, one sides of the two fixed blocks 11, which are close to each other, are respectively provided with a sliding groove 12, sliding rods 13 are respectively slidably arranged in the two sliding grooves 12, one end of each sliding rod 13 extends out of the sliding groove 12, one ends of the two sliding rods 13, which are close to each other, are respectively fixedly provided with an arc-shaped clamping plate 14, one sides of the two fixed blocks 11, which are close to each other, are respectively and fixedly connected with one sides of the two arc-shaped clamping plates 14, which are far away from each other, are respectively provided with a threaded hole 16, both ends of each threaded rod 17 are respectively and threadedly arranged in the two threaded holes 16, both ends of each threaded rod 17 extend out of the threaded hole 16, and one ends of the two threaded rods 17, which are close to each other, a support column 18 is fixedly installed at the top of the base 1, a transverse plate 19 is fixedly installed at the top of the support column 18, a pressure reducing valve 20 is fixedly installed at the top of the transverse plate 19, and a flange 21 is placed at the top of the transverse plate 19;

a first air pipe is arranged between the air bottle 5 and the pressure reducing valve 20, the air bottle 5 and the pressure reducing valve 20 are connected through the first air pipe, a second air pipe is arranged between the flange 21 and the pressure reducing valve 20, the flange 21 and the pressure reducing valve 20 are connected through the second air pipe, four universal wheels are fixedly installed at the bottom of the base 1, the four universal wheels are symmetrically arranged in pairs, balls are nested at two sides of the movable plate 4 and are respectively in rolling contact with the inner walls at two sides of the placing groove 3, a handle is fixedly installed at the end, away from each other, of the two lead screws 17, first limiting grooves are respectively formed in the inner walls at two sides of the guide groove 9, first limiting blocks are respectively fixedly installed at two sides of the guide rod 10 and are slidably installed in the corresponding first limiting grooves, second limiting grooves are respectively formed in the inner wall at the top and the inner wall at the bottom of the slide groove 12, and second, the device is matched with a base 1, a mounting seat 2, a placing groove 3, a movable plate 4, an air bottle 5, a fixed groove 6, a connecting rod 7, a first spring 8, a guide groove 9, a guide rod 10, a fixed block 11, a sliding groove 12, a sliding rod 13, an arc-shaped clamping plate 14, a second spring 15, a threaded hole 16, a lead screw 17, a supporting column 18, a transverse plate 19, a pressure reducing valve 20 and a flange 21, the air bottle 5 is placed on the movable plate 4, two handles are respectively rotated clockwise, the handles drive the lead screw 17 to rotate and move towards the direction in the corresponding sliding groove 12, the lead screw 17 pushes the sliding rod 13 and the arc-shaped clamping plate 14 to move, the second spring 15 is tensioned and deformed, when the air bottle 5 is firmly clamped by the two arc-shaped clamping plates 14, the two handles are stopped rotating, so that the gas bottle 5 is fixed on the mounting base 2, then the base 1 and the gas bottle 5 can be pushed to move by four universal wheels, in the moving process of the gas bottle 5, when the gas bottle 5 vibrates vertically, the gas bottle 5 pushes the movable plate 4 to slide downwards in the placing groove 3, the three connecting rods 7 respectively slide towards the corresponding fixed grooves 6, the three first springs 8 deform under pressure, the gas bottle 5 is clamped and fixed by the two arc-shaped clamping plates 14, the gas bottle 5 drives the two arc-shaped clamping plates 14 to move downwards, the two arc-shaped clamping plates 14 respectively drive the corresponding sliding rods 13 and fixed blocks 11 to move downwards, the two fixed blocks 11 respectively drive the corresponding guide rods 10 to slide downwards, the vertical vibration force generated by the gas bottle 5 can be buffered by the elastic action of the three first springs 8, when the gas bottle 5 vibrates horizontally, utilize two blotters to cushion the horizontal vibration power that gas cylinder 5 received to protect gas cylinder 5, when needs take off gas cylinder 5 and change, on the same order, two handles of anticlockwise rotation can remove two arc splint 14 fixed to gas cylinder 5, the utility model discloses simple structure, the simple operation, economical and practical is convenient for promote gas cylinder 5 and removes, and labour saving and time saving is removing the in-process, can cushion the vibration power that gas cylinder 5 received, thereby protects gas cylinder 5, has improved the security performance.

The working principle is as follows: the four universal wheels are all provided with brake pads, the pressure reducing valve 20 is sleeved with a protective shell, the pressure reducing valve 20 is protected by the protective shell, when the gas cylinder 5 is used, the gas cylinder 5 is placed on the movable plate 4, the two handles are respectively rotated clockwise, the handles drive the screw rod 17 to rotate and move towards the direction in the corresponding sliding groove 12, the screw rod 17 pushes the slide rod 13 and the arc-shaped clamping plate 14 to move, the slide rod 13 drives the second limiting block to slide in the second limiting groove, the second spring 15 generates elastic force by tensile deformation, when the gas cylinder 5 is firmly clamped by the two arc-shaped clamping plates 14, the two handles are stopped rotating, so that the gas cylinder 5 is fixed on the mounting seat 2, then the four universal wheels can be used for pushing the base 1 and the gas cylinder 5 to move, in the process of moving the gas cylinder 5, the gas cylinder 5 is easy to vibrate due to the, when the gas bottle 5 generates vertical vibration, the gas bottle 5 pushes the movable plate 4 to slide downwards in the placing groove 3, the movable plate 4 drives the two balls to roll, the friction resistance when the movable plate 4 slides can be reduced by the two balls, the three connecting rods 7 respectively slide towards the corresponding fixed grooves 6, the three first springs 8 generate elastic force by compression deformation, the gas bottle 5 is clamped and fixed by the two arc-shaped clamping plates 14, the two buffer pads are contacted with the gas bottle 5, the gas bottle 5 drives the two arc-shaped clamping plates 14 to move downwards, the two arc-shaped clamping plates 14 respectively drive the corresponding sliding rods 13 and the fixed blocks 11 to move downwards, the two fixed blocks 11 respectively drive the corresponding guide rods 10 to slide downwards, the guide rods 10 drive the first limiting blocks to slide in the first limiting grooves, so that the vertical vibration force generated by the gas bottle 5 can be buffered by the elastic action of the three first springs 8, when gas cylinder 5 produced horizontal vibration, utilize two blotters to cushion the horizontal vibration power that gas cylinder 5 received to protect gas cylinder 5, avoid the great damage that causes of the vibration power that gas cylinder 5 received, improved the security performance, when needs take off gas cylinder 5 and change, on the same way, two handles of anticlockwise rotation can remove two arc splint 14 fixed to gas cylinder 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Pressure vessel pressure-resistant verifying attachment includes base (1), its characterized in that: the gas cylinder fixing device is characterized in that a mounting seat (2) is fixedly mounted at the top of a base (1), a placing groove (3) is formed in the top of the mounting seat (2), a movable plate (4) is slidably mounted in the placing groove (3), a gas cylinder (5) is placed at the top of the movable plate (4), the top of the gas cylinder (5) extends out of the placing groove (3), three fixing grooves (6) are formed in the bottom of the movable plate (4), three connecting rods (7) are fixedly mounted on the inner wall of the bottom of the placing groove (3), the top ends of the three connecting rods (7) respectively extend into the corresponding fixing grooves (6), three first springs (8) are fixedly mounted on the inner wall of the bottom of the placing groove (3), the three first springs (8) are respectively sleeved on the corresponding connecting rods (7), the top ends of the three first springs (8) are fixedly mounted at the bottom of the movable plate (4), two guide grooves (9, the placing groove (3) is positioned between the two guide grooves (9), the guide rods (10) are respectively arranged in the two guide grooves (9) in a sliding manner, the top ends of the two guide rods (10) respectively extend out of the corresponding guide grooves (9), the top ends of the two guide rods (10) are respectively fixedly provided with a fixed block (11), one sides of the two fixed blocks (11) close to each other are respectively provided with a sliding groove (12), the two sliding grooves (12) are respectively internally and slidably provided with a sliding rod (13), one end of the sliding rod (13) extends out of the sliding groove (12), one ends of the two sliding rods (13) close to each other are respectively and fixedly provided with an arc-shaped clamping plate (14), one sides of the two fixed blocks (11) close to each other are respectively and fixedly provided with second springs (15) sleeved on the corresponding sliding rods (13), one ends of the two second springs (15) close to each other are respectively and fixedly, threaded holes (16) are all opened on the inner wall of one side that two chutes (12) kept away from each other, lead screw (17) are installed to equal screw thread in two threaded holes (16), both ends of lead screw (17) all extend to outside threaded holes (16), the one end that two lead screws (17) are close to each other contacts with corresponding slide bar (13) respectively, the top fixed mounting of base (1) has support column (18), the top fixed mounting of support column (18) has diaphragm (19), the top fixed mounting of diaphragm (19) has relief pressure valve (20), flange (21) have been placed at the top of diaphragm (19).

2. The pressure vessel pressure resistance verification apparatus according to claim 1, wherein: a first air pipe is arranged between the air bottle (5) and the pressure reducing valve (20), the air bottle (5) and the pressure reducing valve (20) are connected through the first air pipe, a second air pipe is arranged between the flange (21) and the pressure reducing valve (20), and the flange (21) and the pressure reducing valve (20) are connected through the second air pipe.

3. The pressure vessel pressure resistance verification apparatus according to claim 1, wherein: the bottom fixed mounting of base (1) has four universal wheels, and four universal wheels are two bisymmetry settings, and the both sides of fly leaf (4) are all nested and have the ball, and two balls respectively with the both sides inner wall rolling contact of standing groove (3), the equal fixed mounting of one end of keeping away from each other of two lead screws (17) has the handle.

4. The pressure vessel pressure resistance verification apparatus according to claim 1, wherein: first spacing grooves are formed in the inner walls of the two sides of the guide groove (9), first limiting blocks are fixedly mounted on the two sides of the guide rod (10), and the first limiting blocks are slidably mounted in the corresponding first spacing grooves.

5. The pressure vessel pressure resistance verification apparatus according to claim 1, wherein: second limiting grooves are formed in the inner wall of the top of the sliding groove (12) and the inner wall of the bottom of the sliding groove, second limiting blocks are fixedly mounted at the top and the bottom of the sliding rod (13), and the second limiting blocks are slidably mounted in the corresponding second limiting grooves.

6. The pressure vessel pressure resistance verification apparatus according to claim 1, wherein: the two arc-shaped clamping plates (14) are fixedly provided with cushion pads on one sides close to each other, and the two cushion pads are in contact with the gas cylinder (5).