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CN-121977817-A - Workbench for gravity type breather valve test

CN121977817ACN 121977817 ACN121977817 ACN 121977817ACN-121977817-A

Abstract

The invention discloses a workbench for a gravity type breather valve test, which comprises a bracket top plate, a pressure air storage tank, a breather valve, a U-shaped water column meter and a driving mechanism, wherein the bracket top plate is arranged on the ground, the pressure air storage tank is arranged on the ground and is used for storing compressed air, the breather valve is arranged on the bracket top plate and is used for conducting experiments in different states, and the U-shaped water column meter is arranged on the ground and is used for detecting pressure values.

Inventors

  • TANG CHUANCHUN

Assignees

  • 中船澄西船舶修造有限公司

Dates

Publication Date
20260505
Application Date
20260228

Claims (10)

  1. 1. A workstation for gravity breather valve test, characterized by includes: A bracket top plate (1) arranged on the ground; the pressure air storage tank (2) is arranged on the ground and is used for storing compressed air; The breather valve (3) is arranged on the bracket top plate (1) and is used for carrying out experiments under different states; The U-shaped water column meter (4) is arranged on the ground and is used for detecting the pressure value; The vacuum jet pump (5) is arranged on the pressure air storage tank (2) and is used for carrying out air leakage treatment on the inside of the breather valve (3); a short pipe (10) arranged on the bracket top plate (1) and used for connecting the breather valve (3) and the pressure air storage tank (2) in a penetrating way; The mounting assembly (11) is arranged on the support top plate (1), the mounting assembly (11) comprises a driving mechanism, a plurality of groups of clamping mechanisms and a pressure detection mechanism, the driving mechanism is used for driving the groups of clamping mechanisms simultaneously, the clamping mechanisms are used for clamping and fixing the breather valve (3), and the pressure detection mechanism is used for preventing the clamping mechanisms from continuing to move when the clamping pressure of the clamping mechanisms to the breather valve reaches the maximum value.
  2. 2. The workbench for the gravity type breather valve test, according to claim 1, is characterized in that a first stop valve (6) is fixedly connected to the outer surface of a pipeline connected with the outside of the pressure air storage tank (2).
  3. 3. The workbench for the gravity type breather valve test, according to claim 1, is characterized in that a second stop valve (7) is fixedly connected to the outer surface of a pipeline connected with the outside of the vacuum jet pump (5).
  4. 4. The workbench for the gravity type breather valve test, according to claim 1, is characterized in that a third stop valve (8) is fixedly connected to the outer surface of a pipeline connected with the vacuum jet pump (5) and the pressure air storage tank (2).
  5. 5. The workbench for the gravity type breather valve test, according to claim 1, is characterized in that a fourth stop valve (9) is fixedly connected to the outer surface of a pipeline connected with the short pipe (10) through the pressure air storage tank (2).
  6. 6. The workbench for the gravity breather valve test of claim 1, wherein the clamping mechanism comprises a mounting table (110) mounted on the top of the support top plate (1), a plurality of groups of adjusting grooves (111) are formed in the top of the mounting table (110), a screw (112) is rotatably connected to the inside of the adjusting grooves (111) through a driving mechanism, a screw nut (113) is connected to the outer surface of the screw (112) in a threaded mode, and the top of the screw nut (113) extends to the upper portion of the mounting table (110) through the adjusting grooves (111) and is fixedly connected with an arc clamping plate (114).
  7. 7. The workbench for the gravity breather valve test of claim 6, wherein the driving mechanism comprises a gear box (115) arranged on the side surface of the mounting table (110) and a driven gear (120) arranged on the driving end of the screw rod (112), a sliding groove (121) is formed in the inner wall of the gear box (115), a driving motor (116) is fixedly connected to the outer wall of the gear box (115), a rotating shaft (117) is fixedly connected to the output end of the driving motor (116), the other end of the rotating shaft (117) extends into the sliding groove (121) and is fixedly connected with a driving gear (118), a sliding toothed ring (119) is connected to the bottom of the driving gear (118) in a meshed mode, and the sliding toothed ring (119) is connected with the driven gear (120) in a meshed mode.
  8. 8. The workbench for the gravity type breather valve test of claim 1, wherein the pressure detection mechanism comprises a silica gel sleeve (12) arranged on one side of an arc-shaped clamping plate (114) close to the breather valve (3) and a pneumatic control box (13) arranged on the other side of the arc-shaped clamping plate (114), the silica gel sleeve (12) and the pneumatic control box (13) are in through connection through a connecting pipe (14), a trigger switch (17) is fixedly connected to one side of an inner cavity of the pneumatic control box (13), a spring (15) is fixedly connected to the other side of the inner cavity of the pneumatic control box (13), an abutting plate (16) is fixedly connected to the other end of the spring (15), and sliding connection is achieved between the abutting plate (16) and the pneumatic control box (13).
  9. 9. The workbench for the gravity breather valve test of claim 8, wherein the trigger switch (17), the driving motor (116) and the external controller are electrically connected through wires, and the trigger switch, the driving motor and the external controller form a series circuit.
  10. 10. The workbench for the gravity breather valve test of claim 1, wherein a plurality of groups of supporting legs (18) are fixedly connected to the bottom of the bracket top plate (1), and anti-slip pads are fixedly connected to the bottoms of the supporting legs (18).

Description

Workbench for gravity type breather valve test Technical Field The invention relates to the technical field of breather valve tests, in particular to a workbench for a gravity type breather valve test. Background The gravity type breather valve for the ship is a breathing device capable of automatically adjusting the pressure of the cargo hold, and is mainly used for liquid cargo ships such as chemical ships and gas transport ships such as liquefied gas ships, and the cargo hold of the ship is ensured to be always in a certain safety pressure range in the processes of filling, transporting and lightering. When the cargo hold is filled with cargo or the temperature rises, the pressure (heat) of the gas in the upper space is increased, the gas below the acting exhalation valve disc overcomes the gravity of the valve disc to open the valve disc, the pressure in the hold is released and decompressed, and when the cargo hold is subjected to negative pressure due to the external influence, the external atmosphere overcomes the gravity of the valve disc of the inhalation valve to open, and the external gas is supplemented into the hold. On one hand, the breather valve installation fixing structure of the traditional equipment is mainly single-group adjustment or manual bolt fastening, the installation efficiency is low, clamping force is difficult to be guaranteed uniformly, the installation deviation of the breather valve is easy to cause, the test precision is affected, part of equipment is even lack of a clamping pressure protection mechanism, deformation and damage of a breather valve shell are easy to occur when the equipment is excessively clamped, on the other hand, the pressure control and monitoring link is insufficient, part of equipment is not provided with independent pressure storage and accurate regulation and control components, compressed air supply is unstable in positive pressure test, the negative pressure environment construction efficiency is low and pressure fluctuation is large in negative pressure test, meanwhile, intuitiveness and instantaneity of a pressure monitoring device are poor, and workers are difficult to control test pressure rapidly and accurately, so that the problem that the breather valve is damaged or test data is inaccurate is easy to occur due to sudden pressure rising and falling is solved. Disclosure of Invention The invention aims to provide a workbench for a gravity type breather valve test, which aims to solve the problems existing in the prior device during working. In order to achieve the purpose, the invention provides the following technical scheme that the workbench for the gravity type breather valve test comprises: The bracket top plate is arranged on the ground; the pressure air storage tank is arranged on the ground and used for storing compressed air; the breather valve is arranged on the top plate of the bracket and is used for carrying out experiments in different states; The U-shaped water column meter is arranged on the ground and is used for detecting a pressure value; The vacuum jet pump is arranged on the pressure air storage tank and is used for carrying out air leakage treatment on the inside of the breather valve; the short pipe is arranged on the top plate of the bracket and used for connecting the breather valve with the pressure air storage tank in a penetrating way; The mounting assembly is arranged on the top plate of the bracket and comprises a driving mechanism, a plurality of groups of clamping mechanisms and a pressure detection mechanism, wherein the driving mechanism is used for driving the plurality of groups of clamping mechanisms simultaneously, the clamping mechanisms are used for clamping and fixing the breather valve, and the pressure detection mechanism is used for preventing the clamping mechanisms from continuously moving when the clamping pressure of the clamping mechanisms on the breather valve reaches the maximum value. Further, the outer surface of the pipeline connected with the outside of the pressure air storage tank is fixedly connected with a first stop valve. Further, the outer surface of the pipeline connected with the vacuum jet pump and the outside is fixedly connected with a second stop valve. Further, a third stop valve is fixedly connected to the outer surface of a pipeline connected with the vacuum jet pump and the pressure air storage tank. Further, the outer surface of the pipeline connected with the short pipe through the pressure air storage tank is fixedly connected with a fourth stop valve. Further, fixture is including installing the mount table at support roof top, multiunit adjustment tank has been seted up at the top of mount table, the inside of adjustment tank is connected with the lead screw through actuating mechanism rotation, the surface threaded connection of lead screw has screw nut, screw nut's top extends to the top of mount table and fixedly connected with arc splint through the adjustment t