CN214471730U

CN214471730U - Testing device for safety valve of pressure container

Info

Publication number: CN214471730U
Application number: CN202120085343.8U
Authority: CN
Inventors: 张剑睿; 牛倩云; 张朝飞; 张渊博
Original assignee: Suzhou Tuozhixin Safety Technology Co ltd
Current assignee: Suzhou Tuozhixin Safety Technology Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-10-22
Anticipated expiration: 2031-01-13

Abstract

The utility model provides a testing arrangement of pressure vessel relief valve, the relief valve includes the valve body, the device includes the base, inlays in the base and is equipped with the fluid conveyer, has seted up the third cavity on the base, and the third cavity link up the upper surface of base, the third cavity with the fluid conveyer with the valve body all communicates, fixedly on the base be provided with the collection tank and two perpendicular backup pads that are parallel to each other, wherein the collection tank is linked together with the valve body to the collection tank still communicates has the pressure detector, and two perpendicular backup pads are located the both sides of valve body respectively, and two perpendicular backup pads can dismantle jointly and be connected with the mounting panel, wear to be equipped with a plurality of compressing tightly the pole on the mounting panel, compressing tightly pole and base mutually perpendicular and compress tightly the valve body on the base. The utility model provides a testing arrangement of pressure vessel relief valve can consolidate the relief valve of being tested, promotes the accuracy of test result to the commonality is strong.

Description

Testing device for safety valve of pressure container

Technical Field

The utility model relates to a relief valve field, specific testing arrangement of pressure vessel relief valve that says so.

Background

The safety valve is a safety device for preventing the pressure equipment or the container from bursting due to the fact that the internal pressure of the container or the pressure equipment exceeds the limit, belongs to the automatic valve class, and plays an important role in protecting personal safety and equipment operation. In order to ensure that the safety valve can play a role in protecting equipment and personnel safety, the safety valve needs to be tested before being put into use, a testing method in the prior art can be simply divided into an off-line testing mode and an on-line testing mode, the off-line testing mode is that fluid such as the fluid is conveyed into the safety valve to test the performance of the safety valve, the on-line testing mode is that the safety valve is directly installed on equipment such as a pressure container, and the equipment is directly used for testing the safety valve. The off-line test is low in complexity and convenient to operate, so that the application is wider, but the off-line test is not enough, and mainly in the prior art, a plurality of test tools special for the specific model of the safety valve are independently designed, so that the test cost is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough among the prior art, the utility model provides a testing arrangement of pressure vessel relief valve can consolidate the relief valve of being tested, promotes the accuracy of test result to the commonality is strong.

In order to achieve the above object, the utility model discloses a concrete scheme does: the utility model provides a testing arrangement of pressure vessel relief valve, the relief valve includes the valve body, the device includes the base, inlays in the base and is equipped with the fluid conveyer, has seted up the third cavity on the base, and the third cavity link up the upper surface of base, the third cavity with the fluid conveyer with the valve body all communicates, fixedly on the base be provided with the collection tank and two perpendicular backup pads that are parallel to each other, wherein the collection tank is linked together with the valve body to the collection tank still communicates has the pressure detector, and two perpendicular backup pads are located the both sides of valve body respectively, and two perpendicular backup pads can dismantle jointly and be connected with the mounting panel, wear to be equipped with a plurality of compressing tightly the pole on the mounting panel, compressing tightly pole and base mutually perpendicular and compress tightly the valve body on the base.

The test device for the safety valve of the pressure container is further optimized as follows: the base is provided with a first cavity and a second cavity, wherein the first cavity penetrates through the side wall of the base, the fluid conveyor is arranged in the first cavity, and the second cavity is communicated with the first cavity and the third cavity.

The test device for the safety valve of the pressure container is further optimized as follows: two each fixed connection of vertical support board has horizontal support plate to two horizontal support plates set up relatively, the mounting panel sets up on two horizontal support plates.

The test device for the safety valve of the pressure container is further optimized as follows: two jacks extending horizontally are formed in the mounting plate, two connecting plates penetrate through the vertical supporting plate, and the connecting plates are inserted into the jacks in a one-to-one correspondence mode.

The test device for the safety valve of the pressure container is further optimized as follows: a plurality of screw holes are formed in the mounting plate, the pressing rod comprises a screw rod and a pressing block which are fixedly connected, the screw rod is arranged in the screw holes in a penetrating mode in a matched mode, and the pressing block faces towards the base and presses the valve body on the base.

The test device for the safety valve of the pressure container is further optimized as follows: the briquetting fixed connection be in the one end of screw rod, the other one end fixedly connected with end of screw rod has seted up interior hexagonal hole on the end to interior hexagonal hole and the coaxial setting of screw rod.

The test device for the safety valve of the pressure container is further optimized as follows: the end head comprises a cylindrical section and a conical section which are integrally connected, the large end of the conical section is integrally connected with the cylindrical section, and the small end of the conical section is fixedly connected with the screw rod.

The test device for the safety valve of the pressure container is further optimized as follows: the collecting tank is communicated with an output pipe.

Has the advantages that: the utility model discloses a plurality of compressing tightly the pole and fixing the valve body on the base, can avoid in the test process because the valve body vibration causes the testing result precision to reduce to, to the relief valve of different models, only need adjust the position that compresses tightly the pole, ensure compress tightly the pole can contact with the valve body can, the commonality is stronger, need not to correspond the corresponding testing arrangement of design according to the model of relief valve, reduced the test cost by a wide margin.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the attachment of the mounting plate to the vertical support plate;

FIG. 3 is a schematic view showing a detailed structure of the mounting plate;

fig. 4 is a specific structural diagram of the pressing rod.

Description of the drawings: 1-base, 2-first cavity, 3-fluid conveyor, 4-second cavity, 5-third cavity, 6-communicating pipe, 7-first flange, 8-inlet flange, 9-vertical support plate, 10-valve body, 11-pressing rod, 12-mounting plate, 13-outlet flange, 14-second flange, 15-through hole, 16-recovery pipe, 17-pressure detector, 18-collecting tank, 19-output pipe, 20-horizontal support plate, 21-connecting plate, 22-screw hole, 23-end, 24-internal hexagonal hole, 25-screw rod and 26-pressing block.

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 to 4, a testing device for a safety valve of a pressure vessel, the safety valve includes a valve body 10, the device includes a base 1, a fluid conveyer 3 is embedded in the base 1, a third cavity 5 is provided on the base 1, the third cavity 5 penetrates through the upper surface of the base 1, the third cavity 5 is communicated with both the fluid conveyer 3 and the valve body 10, a collecting tank 18 and two vertical supporting plates 9 parallel to each other are fixedly provided on the base 1, wherein the collecting tank 18 is communicated with the valve body 10, and the collecting tank 18 is further communicated with a pressure detector 17, the two vertical supporting plates 9 are respectively located on two sides of the valve body 10, the two vertical supporting plates 9 are detachably connected with a mounting plate 12, a plurality of pressing rods 11 penetrate through the mounting plate 12, the pressing rods 11 are perpendicular to the base 1 and press the valve body 10 on the base 1.

When testing, firstly, the mounting plate 12 is taken down, then the valve body 10 is sent between the two vertical support plates 9, the inlet end of the valve body 10 is communicated with the third cavity 5, the outlet end of the valve body 10 is communicated with the collecting tank 18, then the mounting plate 12 is connected with the two vertical mounting plates 9 again, the pressing rod 11 is arranged on the mounting plate 12 in a penetrating manner, the valve body 10 is pressed on the base 1 by utilizing the pressing rod 11 by adjusting the position of the pressing rod 11, the reduction of the accuracy of the testing result caused by the vibration of the valve body 10 in the testing process is avoided, then, the fluid conveyer 3 and the pressure detector 17 can be started to test the safety valve, the fluid conveyer 3 conveys the fluid into the valve body 10 through the third cavity 5, the fluid flows into the collecting tank 18 to be recovered after the safety valve is opened, and the fluid pressure can be controlled by controlling the fluid conveyer 3 in the testing process, the pressure of the fluid on the safety valve is controlled, and the fluid pressure in the collecting tank 18 can be detected by the pressure detector 17, so that whether the safety valve is completely decompressed or leaks can be judged. It should be noted that, in the present invention, the fluid transported by the fluid transporter 3 may be liquid or gas, and is selected according to actual conditions.

The utility model discloses a plurality of compressing tightly pole 11 are fixed valve body 10 on base 1, can avoid in the test process because valve body 10 vibrates and causes the testing result precision to reduce to, to the relief valve of different models, only need adjust the position that compresses tightly pole 11, ensure that compress tightly pole 11 can contact with valve body 10 can, the commonality is stronger, need not to correspond the corresponding testing arrangement of design according to the model of relief valve, reduced the test cost by a wide margin.

The fluid conveyor 3 is specifically arranged in the following manner: the base 1 is provided with a first cavity 2 and a second cavity 4, wherein the first cavity 2 penetrates through the side wall of the base 1, the fluid conveyor 3 is arranged in the first cavity 2, and the second cavity 4 is communicated with the first cavity 2 and the third cavity 5. By disposing the fluid transporter 3 in the first chamber 2, the fluid transporter 3 can be protected.

In order to facilitate the connection of the mounting plate 12 with the two vertical support plates 9, the two vertical support plates 9 are each fixedly connected with a horizontal support plate 20, and the two horizontal support plates 20 are oppositely arranged, and the mounting plate 12 is arranged on the two horizontal support plates 20. The horizontal support plate 20 is used for supporting the mounting plate 12, improving the stability of the mounting plate 12 and further improving the stability of the pressing rod 11 to ensure that the valve body 10 can be reinforced, and is also used for positioning the mounting plate 12, so that the mounting plate 12 can be determined to reach a target position when the mounting plate 12 is in contact with the horizontal support plate 20, the height of the mounting plate 12 does not need to be adjusted, and the connection process between the mounting plate 12 and the vertical support plate 9 is simplified.

The specific connection mode between the mounting plate 12 and the vertical support plate 9 is as follows: two jacks extending horizontally are formed in the mounting plate 12, two connecting plates 21 penetrate through the vertical supporting plate 9, and the connecting plates 21 are inserted into the jacks in a one-to-one correspondence mode. The mounting plate 12 is connected with the vertical support plate 9 in an inserting mode, so that the operation is simple and the stability is good.

In order to guarantee the utility model discloses a commonality makes the utility model discloses can test the relief valve of different models, seted up a plurality of screws 22 on the mounting panel 12, compress tightly pole 11 and include fixed connection's screw rod 25 and briquetting 26, screw rod 25 cooperation is worn to establish in screw 22, and briquetting 26 is towards base 1 and compress tightly valve body 10 on base 1. The interval between the adjacent screw 22 is the less, and the degree of freedom that compresses tightly 11 positions of pole is higher, the utility model discloses a commonality is stronger, but can reduce the holistic structural strength of mounting panel 12 correspondingly, in practical application, can select the interval between the adjacent screw 22 according to the model of the relief valve that probably needs the test, guarantees that mounting panel 12 intensity is higher on satisfying the basis that can test all relief valves that await measuring to ensure the fixed effect to valve body 10.

The concrete structure of the pressing rod 11 further includes: briquetting 26 fixed connection is in the one end of screw rod 25, and the other one end fixedly connected with end 23 of screw rod 25 has seted up interior hexagonal hole 24 on the end 23 to interior hexagonal hole 24 and the coaxial setting of screw rod 25. Interior hexagonal hole 24 is used for cooperateing with interior hexagonal spanner to make the staff can conveniently rotate screw rod 25, and then adjust the holistic height of compression bar 11, make compression bar 11 can compress tightly valve body 10 on base 1.

The end 23 has the following specific shape: the end head 23 comprises a cylindrical section and a conical section which are integrally connected, the large end of the conical section is integrally connected with the cylindrical section, and the small end of the conical section is fixedly connected with the screw rod 25. The tapered section prevents the hold down bar 11 from separating from the mounting plate 12 during downward adjustment due to over adjustment.

When the fluid used in the test may pollute the environment, the fluid needs to be completely recovered after the test is finished, and the collection tank 18 is communicated with an output pipe 19 for the convenience of recovery.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A test device for a safety valve of a pressure vessel, the safety valve comprising a valve body (10), characterized in that: the device comprises a base (1), a fluid conveyor (3) is embedded in the base (1), a third cavity (5) is formed in the base (1), the third cavity (5) penetrates through the upper surface of the base (1), the third cavity (5) is communicated with the fluid conveyor (3) and the valve body (10), a collecting tank (18) and two vertical supporting plates (9) which are parallel to each other are fixedly arranged on the base (1), wherein the collecting tank (18) is communicated with the valve body (10), the collecting tank (18) is also communicated with a pressure detector (17), two vertical supporting plates (9) are respectively positioned at two sides of the valve body (10), the two vertical supporting plates (9) are jointly detachably connected with a mounting plate (12), a plurality of pressing rods (11) are arranged on the mounting plate (12) in a penetrating manner, and the pressing rods (11) are mutually perpendicular to the base (1) and press the valve body (10) on the base (1).

2. The test device for a safety valve of a pressure vessel as set forth in claim 1, wherein: the fluid conveying device is characterized in that a first cavity (2) and a second cavity (4) are formed in the base (1), wherein the first cavity (2) penetrates through the side wall of the base (1), the fluid conveyor (3) is arranged in the first cavity (2), and the second cavity (4) is communicated with the first cavity (2) and the third cavity (5).

3. The test device for a safety valve of a pressure vessel as set forth in claim 1, wherein: valve body (10) fixedly connected with import flange (8) and outlet flange (13), one of them through-hole (15) have been seted up on perpendicular backup pad (9), fixedly on base (1) be provided with communicating pipe (6) to communicating pipe (6) with third cavity (5) are linked together, the first flange of communicating pipe (6) fixedly connected with (7), first flange (7) with import flange (8) fixed connection, collecting tank (18) intercommunication has recovery tube (16), and recovery tube (16) pass through-hole (15) and fixedly connected with second flange (14), second flange (14) with outlet flange (13) fixed connection.

4. The test device for a safety valve of a pressure vessel as set forth in claim 1, wherein: the two vertical supporting plates (9) are respectively fixedly connected with a horizontal supporting plate (20), the two horizontal supporting plates (20) are oppositely arranged, and the mounting plate (12) is arranged on the two horizontal supporting plates (20).

5. The test device for a safety valve of a pressure vessel as set forth in claim 1, wherein: two jacks extending horizontally are formed in the mounting plate (12), two connecting plates (21) penetrate through the vertical supporting plate (9), and the connecting plates (21) are inserted into the jacks in a one-to-one correspondence mode.

6. The test device for a safety valve of a pressure vessel as set forth in claim 1, wherein: a plurality of screw holes (22) are formed in the mounting plate (12), the pressing rod (11) comprises a screw rod (25) and a pressing block (26) which are fixedly connected, the screw rod (25) is arranged in the screw holes (22) in a penetrating mode in a matched mode, and the pressing block (26) faces towards the base (1) and presses the valve body (10) on the base (1).

7. The test apparatus for a safety valve of a pressure vessel as set forth in claim 6, wherein: briquetting (26) fixed connection be in the one end of screw rod (25), other one end fixedly connected with end (23) of screw rod (25), interior hexagonal hole (24) have been seted up on end (23) to interior hexagonal hole (24) and screw rod (25) coaxial setting.

8. The test apparatus for a safety valve of a pressure vessel as set forth in claim 7, wherein: the end head (23) comprises a cylindrical section and a conical section which are integrally connected, the large end of the conical section is integrally connected with the cylindrical section, and the small end of the conical section is fixedly connected with the screw rod (25).

9. The test device for a safety valve of a pressure vessel as set forth in claim 1, wherein: the collecting tank (18) is communicated with an output pipe (19).