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CN-224231189-U - Tightness detection valve pressure testing device

CN224231189UCN 224231189 UCN224231189 UCN 224231189UCN-224231189-U

Abstract

The utility model provides a sealing detection valve pressure test device which comprises a rack, wherein a test component for detecting the sealing performance of a valve is arranged at the upper end of the rack, the test component comprises a top plate, a sealing upper plate is fixed at the lower side of the top plate, the lower side of the sealing upper plate is movably abutted against the upper surface of a sealing lower plate, and a plurality of air leakage pieces for detecting the sealing performance air leakage are fixed at the rear side of the sealing lower plate.

Inventors

  • Zuo Mengying

Assignees

  • 合肥特高数字科技有限公司

Dates

Publication Date
20260512
Application Date
20250529

Claims (8)

  1. 1. The tightness detection valve pressure test device comprises a frame (100), and is characterized in that a test assembly (200) for tightness detection of a valve is arranged at the upper end of the frame (100), a sliding rail module (110) for driving the lower side part of the test assembly (200) to move forwards and backwards is arranged at the upper side of the frame (100), a mounting frame (120) is arranged at the upper side of the frame (100), and a cylinder (130) for driving the upper side part of the test assembly (200) to move upwards and downwards is arranged at the upper side of the mounting frame (120); The testing assembly (200) comprises a top plate (210), a sealing upper plate (220) is fixed on the lower side of the top plate (210), the lower side of the sealing upper plate (220) is movably abutted to the upper surface of a sealing lower plate (230), a plurality of air leakage pieces (250) used for detecting air leakage in a sealing mode are fixed on the rear side of the sealing lower plate (230), and the lower side of the sealing plate is fixedly connected with the upper side of a bottom plate (240).
  2. 2. The tightness detection valve pressure test device of claim 1, wherein a shock absorption guide post (150) is respectively fixed on the left side and the right side of the rear end of the frame (100), a connecting block is slidingly installed on the shock absorption guide post (150), a shock absorption spring is sleeved on the lower side of the shock absorption guide post (150), and the inner side end of the connecting block is fixedly connected with the side edge of the sealing upper plate (220).
  3. 3. A pressure test device for a tightness detection valve as set forth in claim 2, wherein two shock-absorbing guide posts (150) are respectively disposed at the lower side of the middle of the left end and the lower side of the middle of the right end of the mounting frame (120), and a controller (140) for controlling the operation of the whole device is mounted at the right side of the upper end of the mounting frame (120).
  4. 4. The pressure testing device for the tightness detection valve of claim 1, wherein six placing cavities (231) are formed by downwards sinking the front side of the upper surface of the sealing lower plate (230) from left to right, five placing cavities (231) are formed by downwards sinking the rear side of the upper surface of the sealing lower plate (230) from left to right, and the six placing cavities (231) on the front side and the five placing cavities (231) on the rear side are arranged in a staggered mode.
  5. 5. A pressure test device for a leak detection valve as set forth in claim 4, wherein a circular gasket is provided at the bottom of each of said chambers (231) for sealing the opening at the lower end of the valve, and a vent hole (233) is formed rearwardly through the bottom of each of said chambers (231).
  6. 6. The pressure testing device for a leak detection valve as set forth in claim 5, wherein the rear end of each of the leak holes (233) is fixedly connected to the front end of a leak member (250), the leak member (250) comprises an adapter (251), the front end of the adapter (251) is in threaded sealing connection with the inner wall of the rear end of the leak hole (233), the rear end of the adapter (251) is in threaded sealing connection with the front end of the connector (252), an air pipe (253) is provided at the rear side of the connector (252), and the end of the air pipe (253) is placed in the water tank and is required to be placed in water.
  7. 7. A pressure test device for a tightness detection valve is characterized in that a plurality of sealing rings (232) are embedded and installed on the upper surface of a sealing lower plate (230), the number and the distribution positions of the sealing rings (232) are matched with those of placing cavities (231), the height of the upper end of each sealing ring (232) is 1-2mm greater than that of the upper surface of the sealing lower plate (230), the diameter of each sealing ring (232) is greater than that of each placing cavity (231), and the axes of the sealing rings (232) and the axes of the placing cavities (231) are collinear.
  8. 8. A pressure test device for a tightness detection valve as set forth in claim 7, wherein the structure of said upper sealing plate (220) is the same as that of the lower sealing plate (230), a plurality of positioning cavities are provided on the lower surface of said upper sealing plate (220), sealing pads are provided on the upper ends of each of said positioning cavities, the middle of said sealing pads is connected with an external air supply assembly through an air supply pipe (253), the portion of said air supply pipe (253) disposed on the top of each positioning cavity is connected with an air passage hole reserved in the middle of said sealing pads, and the top of each positioning cavity is connected with an independent air supply pipe (253).

Description

Tightness detection valve pressure testing device Technical Field The utility model belongs to the technical field of valve pressure test equipment, and particularly relates to a valve pressure test device for detecting tightness. Background Traditional pressure testing device relies on single pressure source to carry out the test point by point, and pressure regulation and stable process consuming time are longer, are difficult to carry out quick and convenient to detect the leakproofness of a plurality of valves. In response to these problems, conventional approaches include introducing a multichannel pressure control system to achieve parallel detection, employing rapid charge and discharge techniques to shorten the pressure adjustment time, and monitoring pressure changes in real time in conjunction with a sensor network. However, the methods have obvious disadvantages that the multichannel pressure control system improves the detection capability, but the equipment structure is complicated, so that the maintenance cost is increased, the rapid inflation and deflation technology can reduce the pressure adjustment time, but the detection precision is possibly influenced by pressure fluctuation, and the reliability and the anti-interference capability of the sensor network still need to be further verified although the application of the sensor network improves the data acquisition efficiency, so that the valve pressure test device with a novel structure is hoped to be designed, and the problem is solved. Disclosure of utility model Aiming at the defects existing in the prior art, the utility model aims to provide a tightness detection valve pressure test device which solves the problems in the background art. The utility model is realized by the following technical scheme that the tightness detection valve pressure test device comprises a frame, wherein a test assembly for tightness detection of a valve is arranged at the upper end of the frame, a slide rail module for driving the lower side part of the test assembly to move back and forth is arranged at the upper side of the frame, a mounting frame is arranged at the upper side of the frame, and a cylinder for driving the upper side part of the test assembly to move up and down is arranged at the upper side of the mounting frame; the testing assembly comprises a top plate, a sealing upper plate is fixed on the lower side of the top plate, the lower side of the sealing upper plate is movably abutted to the upper surface of the sealing lower plate, a plurality of air leakage pieces used for detecting air leakage in a sealing mode are fixed on the rear side of the sealing lower plate, and the lower side of the sealing plate is fixedly connected with the upper side of the bottom plate. As a preferred implementation mode, a damping guide post is respectively fixed on the left side and the right side of the rear end of the stand, a connecting block is slidingly installed on the upper side of the damping guide post, a damping spring is sleeved on the lower side of the damping guide post, and the inner side end of the connecting block is fixedly connected with the side edge of the sealing upper plate. As a preferable implementation mode, the two shock absorption guide posts are respectively arranged at the lower side in the middle of the left end and the lower side in the middle of the right end of the installation frame, and a controller for controlling the operation of the whole equipment is arranged at the right side of the upper end of the installation frame. As a preferable implementation mode, the front side of the upper surface of the sealing lower plate is recessed downwards from left to right to form six placing cavities, the rear side of the upper surface of the sealing lower plate is recessed downwards from left to right to form five placing cavities, and the six placing cavities on the front side and the five placing cavities on the rear side are arranged in a staggered mode. As a preferred embodiment, the bottom of each placing cavity is provided with a circular sealing gasket for sealing the opening part at the lower end of the valve, and the right rear side of the bottom of each placing cavity is penetrated backwards to form a gas leakage hole. As a preferred implementation mode, the rear end of each air leakage hole is fixedly connected with the front end of one air leakage piece, the air leakage piece comprises an adapter, the front end of the adapter is in threaded sealing connection with the inner wall of the rear end of the air leakage hole, the rear end of the adapter is in threaded sealing connection with the front end of the connector, an air pipe is arranged at the rear side of the connector, and the tail end of the air pipe is placed in a water tank and needs to be placed in water. As a preferred implementation mode, a plurality of sealing rings are embedded and installed on the upper surface of the sealing lower plate, the number and th