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CN-224231210-U - Stop valve leak detection experimental apparatus

CN224231210UCN 224231210 UCN224231210 UCN 224231210UCN-224231210-U

Abstract

The utility model relates to the technical field of valve detection, and particularly discloses a stop valve leakage detection experimental device which comprises a hydraulic pump and a base for installing the stop valve, wherein a plurality of valve seats adapting to the stop valves with different sizes are arranged on the base and are used for being connected with the stop valve in a sealing mode, a plurality of liquid inlets which are respectively communicated with the bottoms of the valve seats in a corresponding mode are arranged on the side face of the base, a liquid outlet of the hydraulic pump is connected with a liquid inlet corresponding to the valve seat of the stop valve through a pipeline, the liquid outlet of the hydraulic pump is connected with a pressure regulating valve and a pressure relief valve, and one end, close to the liquid inlet, of the pipeline is connected with a pressure gauge. By adopting the stop valve leakage detection experimental device, the stop valve can be subjected to leakage detection experiments efficiently and rapidly, and the stop valves with various different specifications can be subjected to leakage detection experiments.

Inventors

  • YANG GUANGYING
  • ZHU JIAHUA
  • LI JIAN

Assignees

  • 四川世嘉液控技术有限公司

Dates

Publication Date
20260512
Application Date
20250604

Claims (6)

  1. 1. The utility model provides a stop valve leak test experimental apparatus, includes the hydraulic pump and is used for installing the base of stop valve, its characterized in that, be equipped with the disk seat of a plurality of adaptation not unidimensional stop valves on the base and be used for sealing connection stop valve, the side of base is equipped with a plurality of feed liquor mouths that correspond the intercommunication with the disk seat bottom respectively, the liquid outlet of hydraulic pump passes through the feed liquor mouth that the disk seat of pipe connection installation stop valve corresponds, be connected with air-vent valve and relief valve on the liquid outlet of hydraulic pump, the pipeline is close to and is connected with the manometer on the one end of feed liquor mouth.
  2. 2. The shutoff valve leak detection experiment apparatus of claim 1, wherein the pressure relief valve is an electromagnetic pressure relief valve and the pressure gauge is an electrical contact pressure gauge.
  3. 3. The shut-off valve leak detection test apparatus of claim 2, wherein the top of the inner sidewall of the valve seat is provided with internal threads for sealing connection with the shut-off valve.
  4. 4. The stop valve leakage detection experimental device according to claim 3, wherein a sealing ring is arranged below the internal thread on the inner side wall of the valve seat, the inner side of the sealing ring is in a truncated cone shape with a big upper part and a small lower part, and the minimum inner diameter of the sealing ring is smaller than the inner diameter of the internal thread of the valve seat.
  5. 5. The device for testing leakage of stop valve according to claim 4, wherein the other side surface of the base opposite to the liquid inlet is provided with a plurality of liquid return ports respectively communicated with the side surface of the valve seat.
  6. 6. The stop valve leak detection experimental device according to claim 5, further comprising an electric control cabinet, wherein a power supply, a controller and a time relay are arranged in the electric control cabinet, a start button, an emergency stop button, a manual-automatic switching knob, a pressure release alarm, a manual pressure release button and a power indicator are arranged on the front surface of the electric control cabinet, a signal input end of the controller is respectively connected with the start button, the emergency stop button, the manual-automatic switching knob, the manual pressure release button and a pressure gauge, a signal output end of the controller is respectively connected with a hydraulic pump, the time relay, the pressure release valve and the pressure release alarm, a signal output end of the time relay is connected with the pressure release valve, and the power supply is respectively connected with the power indicator, the controller and the hydraulic pump.

Description

Stop valve leak detection experimental apparatus Technical Field The utility model relates to the technical field of valve detection, in particular to a stop valve leakage detection experimental device. Background The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so that when the valve is closed, pressure must be applied to the valve clack so as to force the sealing surface not to leak. The sealing performance of the shut-off valve directly affects the safety and stability of the whole system. The periodic detection can help identify potential faults, prevent accidents, and ensure that the valve can play a due cut-off function at key moments. Based on this, it is necessary to design a check valve leak detection experimental apparatus for detecting the tightness of a check valve to improve the detection efficiency of the check valve. Disclosure of utility model The utility model provides a check valve leakage detection experimental device for solving the problem of low check valve tightness detection efficiency in the prior art. The technical scheme adopted by the utility model is as follows: The utility model provides a stop valve leak test experimental apparatus, includes the hydraulic pump and is used for installing the base of stop valve, be equipped with the disk seat that a plurality of adaptation not unidimensional stop valves on the base and be used for sealing connection stop valve, the side of base is equipped with a plurality of feed inlets that correspond the intercommunication with the disk seat bottom respectively, the feed inlet that the disk seat of installation stop valve corresponds is connected to the liquid outlet of hydraulic pump, be connected with air-vent valve and relief valve on the liquid outlet of hydraulic pump, be connected with the manometer on the feed inlet. Preferably, the pressure release valve is an electromagnetic pressure release valve, and the pressure gauge is an electric contact pressure gauge. Preferably, the top of the inner side wall of the valve seat is provided with an internal thread for sealing connection with the stop valve. Preferably, a sealing ring is arranged below the internal thread on the inner side wall of the valve seat, the inner side of the sealing ring is in a truncated cone shape with a big upper part and a small lower part, and the minimum inner diameter of the sealing ring is smaller than the inner diameter of the internal thread of the valve seat. Preferably, the other side surface of the base opposite to the liquid inlet is provided with a plurality of liquid return ports which are respectively communicated with the side surface of the valve seat correspondingly. Preferably, the stop valve leak detection experimental device further comprises an electric control cabinet, a power supply, a controller and a time relay are arranged in the electric control cabinet, a start button, an emergency stop button, a manual-automatic switching knob, a pressure relief alarm, a manual pressure relief button and a power indicator are arranged on the front face of the electric control cabinet, a signal input end of the controller is respectively connected with the start button, the emergency stop button, the manual-automatic switching knob, the manual pressure relief button and a pressure gauge, a signal output end of the controller is respectively connected with the hydraulic pump, the time relay, the pressure relief valve and the pressure relief alarm, a signal output end of the time relay is connected with the pressure relief valve, and the power supply is respectively connected with the power indicator, the controller and the hydraulic pump. The beneficial effects of the utility model are as follows: The special base is provided for the detection of the tightness of the stop valve, the base is provided with valve seats of various specifications to be connected with the stop valves of different specifications for the tightness detection, such as DN10, DN25, DN40 and the like, the stop valves of different specifications are arranged in the corresponding valve seats, the liquid outlet of the hydraulic pump is connected with the liquid inlet corresponding to the valve seat through a pipeline, the pressure required by the experiment is regulated through the pressure regulating valve, then the hydraulic pump is started to output a medium to the set pressure, then the pressure maintaining experiment is started, the pressure gauge is used for detecting whether leakage occurs to reduce the pressure, if leakage does not occur, the pressure release valve is opened for pressure release ending experiment after the set experiment time is reached, and the leakage detection experiment can be efficiently and rapidly carried out on the stop valve by adopting the stop valve leakage detection experimental device. Drawings FIG. 1 is a schematic view of a hydraulic pump and a base in an embodiment of the present utility model; FIG. 2