CN219589901U - Leak detection system of leak detector - Google Patents

Abstract

The utility model relates to the technical field of leakage detection of pipe materials, in particular to a leakage detection system of a leakage detection machine, which comprises a guide post, wherein a detection pressure rod is slidably arranged in the top end of a pressure outer cover, an inner sealing ring and a guide copper sleeve are fixedly embedded in the top end of the pressure outer cover, a limit lock nut is arranged on the outer side of the top of the detection pressure rod in a threaded manner, a sensor detection interface is arranged in the detection pressure rod, an outer cover sealing ring is fixedly arranged at the bottom end of the pressure outer cover, a base plate is arranged at the bottom of the pressure outer cover, and a detection base sealing gasket is fixedly arranged in the top end of the base plate.

Description

Leak detection system of leak detector

Technical Field

The utility model relates to the technical field of leakage detection of pipe materials, in particular to a leakage detection system of a leakage detection machine.

Background

The joint pipe leakage detecting machine is an important device for detecting links after machining and forming metal pipes, wherein the joint pipe leakage detecting machine is formed by combining three regional devices of a feeding structure, a detecting structure and a discharging structure, and the leakage detecting structure of the joint pipe leakage detecting machine is arranged at the rear end part of the main body structure of the leakage detecting machine, wherein the leakage detecting main body structure is positioned in the region of the rear end top of the discharging frame.

The existing leak detection mechanism for the pipe material of the joint pipe drives the cavity shell to press and cover the pipe material to be airtight through the air cylinder during leak detection, a double-layer airtight cavity between the outer cover and the pipe material and inside the pipe material is formed, the inner wall of the pipe material is pressurized in the cavity by adopting the pressure quantity with larger pressurization, the service life of the differential pressure sensor arranged at the top is influenced after multiple times of use, and the equipment maintenance cost is improved.

Disclosure of Invention

The utility model aims to provide a leak detection system of a leak detector, which aims to solve the problems that the service life of a differential pressure sensor arranged at the top is influenced after multi-frequency use and the maintenance cost of equipment is improved by adopting a large pressurized air pressure to pressurize the inner wall of a cavity of a pipeline in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a leak hunting machine leak hunting system, includes the guide pillar, the fixed quick-witted case platform that is provided with in guide pillar bottom, the fixed dish platform that is provided with in guide pillar top, the fixed hold-down cylinder that is provided with in dish platform top, the fixed hold-down mechanism that is provided with in hold-down cylinder bottom jar pole, the fixed straight line bearing plate that is provided with in hold-down mechanism bottom, the inside sliding arrangement with the guide pillar outside gomphosis of straight line bearing plate bottom, the fixed pressure housing that is provided with in straight line bearing plate bottom inboard, the inside slip in pressure housing top is provided with the pressure pole, the inside gomphosis of pressure housing top is fixedly provided with internal seal circle and direction copper sheathing, the outside screw thread in pressure pole top is provided with spacing lock nut, the inside sensor that is provided with of pressure pole detects the interface, fixed being provided with in pressure housing inner chamber top and the inside place reset pressure spring that is provided with in pressure pole bottom, the fixed housing bottom is provided with the cover sealing washer, the pressure housing bottom is provided with the bed plate, the inside fixed detection base sealing pad that is provided with in bed plate top, the fixed in detection base sealing pad top is provided with pipe fitting location pad.

Preferably, the guide post, the compression cylinder, the pressure housing, the detection pressure rod, the guide copper sleeve and the placing reset pressure spring are arranged in parallel in a vertical plane.

Preferably, the inner side of the top end of the base plate is in embedded contact with the bottom end of the outer cover sealing ring.

Preferably, the tray table, the linear bearing plate and the detection base sealing gasket are arranged in parallel and horizontally.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the guide post, the machine box table, the tray table, the compression cylinder, the compression mechanism, the linear bearing plate, the pressure outer cover, the detection pressure rod, the inner sealing ring, the limiting lock nut, the guide copper bush, the sensor detection interface, the reset pressure spring, the outer cover sealing ring, the base plate, the detection base sealing gasket and the pipe fitting positioning seat, which are arranged at the top of the base plate, are used for clamping and placing pipe materials to be detected, wherein a hard air pipe arranged in the pipe fitting positioning seat is communicated with an air pump and a control element arranged at the bottom of the base plate to perform inflation pressurization on the pipe materials and the inner part of the pressure outer cover, one end of a differential pressure sensor of a sensor detection interface arranged in the pressure rod is connected with the atmosphere, the other end of the sensor is connected into a workpiece, if the workpiece is free from leakage, the pressure at two sides of the sensor is the same, if the workpiece is leaked, the pressure in the workpiece is higher than the atmospheric pressure at the other end, the sensor generates the differential pressure input to realize measurement, the accurate effect of the inner wall of the pipe materials to be detected, the inner wall of the pressure is realized by pressurizing the air pressure quantity, the inner wall of the pipe materials is usually pressurized by adopting the large pressurizing quantity, the inner wall is used for pressurizing the inner wall to perform the maintenance of the pressure sensor, and the service life of the pressure sensor is used for maintaining the pressure sensor is used, and the top is used.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a linear bearing plate according to the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a schematic diagram of the structure of FIG. 2B according to the present utility model;

FIG. 5 is a schematic view of the structure of FIG. 2 at C in accordance with the present utility model;

FIG. 6 is a schematic diagram of the overall installation structure of a leak detection apparatus of the present utility model.

In the figure: the device comprises a 1-guide pillar, a 2-machine box table, a 3-disc table, a 4-compression cylinder, a 5-compression mechanism, a 6-linear bearing plate, a 7-pressure outer cover, an 8-detection pressure rod, a 9-inner sealing ring, a 10-limiting lock nut, an 11-guide copper sleeve, a 12-sensor detection interface, a 13-placement reset pressure spring, a 14-outer cover sealing ring, a 15-base plate, a 16-detection base sealing gasket and a 17-pipe positioning seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution:

the utility model provides a leak hunting system of leak hunting machine, including guide pillar 1, guide pillar 1 bottom is fixed to be provided with quick-witted case platform 2, guide pillar 1 top is fixed to be provided with a set platform 3, set platform 3 top is fixed to be provided with and is pressed cylinder 4, it is fixed to be provided with hold-down mechanism 5 to press cylinder 4 bottom jar pole, hold-down mechanism 5 bottom is fixed to be provided with sharp bearing plate 6, the inside and guide pillar 1 outside gomphosis slip setting of sharp bearing plate 6 bottom inboard is fixed to be provided with pressure dustcoat 7, pressure dustcoat 7 top inside slip is provided with detection pressure bar 8, the inside gomphosis of pressure dustcoat 7 top is fixed to be provided with inner seal 9 and direction copper sheathing 11, detect pressure bar 8 top outside screw thread is provided with spacing lock nut 10, detect pressure bar 8 inside is provided with sensor detection interface 12, fixed being provided with between pressure dustcoat 7 inner chamber top and the inside of detection pressure bar 8 bottom is provided with and is placed reset pressure spring 13, pressure dustcoat 7 bottom is fixed to be provided with dustcoat sealing washer 14, pressure dustcoat 7 bottom is provided with bed plate 15, bed plate 15 top inside is fixed to be provided with detection bed plate 16, detection bed plate 16 top is fixed to be provided with pipe fitting location seat 17.

As shown in fig. 1, 2 and 6, through the guide post 1, the machine case table 2, the disc table 3, the compression cylinder 4, the compression mechanism 5, the linear bearing plate 6, the pressure outer cover 7, the detection pressure rod 8, the inner sealing ring 9, the limit lock nut 10, the guide copper sleeve 11, the sensor detection interface 12, the placement reset pressure spring 13, the outer cover sealing ring 14, the base plate 15, the detection base sealing gasket 16 and the pipe fitting positioning seat 17, which are arranged at the top of the base plate 15, play a role in clamping and placing the pipe material to be detected, wherein a hard air pipe arranged inside the pipe fitting positioning seat 17 is communicated with an air pump and a control element arranged at the bottom of the base plate 15, plays a role in inflating and pressurizing the pipe material and the inside of the pressure outer cover 7, the hard air pipe is positioned at the left front end for placing pipe materials, one end of a differential pressure sensor of a sensor detection interface 12 arranged in the detection pressure rod 8 is connected with the atmosphere, the other end of the differential pressure sensor is connected into a workpiece, if the workpiece is free from leakage, the pressures at two sides of the sensor are the same, if the workpiece is leaked, the pressure in the workpiece is higher than the atmospheric pressure at the other end, the sensor generates differential pressure input to realize measurement, and the accurate leakage detection effect can be carried out on the inner wall of the pipe by using small-pressure-amount pressurizing, wherein a guide pillar 1, a compression cylinder 4, a pressure outer cover 7, the detection pressure rod 8, a guide copper sleeve 11 and a placement return pressure spring 13 are arranged in a vertical plane parallel manner; the inner side of the top end of the base plate 15 is embedded and contacted with the bottom end of the outer cover sealing ring 14; the tray table 3, the linear bearing plate 6 and the detection base gasket 16 are arranged horizontally and parallel to each other.

The working flow is as follows: the leak detection device of the leak detection machine is arranged at the rear end part of the main body structure of the leak detection machine, wherein the leak detection main body structure is positioned at the top part of the rear end of a discharge rack, the embedded fixation of a guide pillar 1 and a machine box table 2 plays a role in integrally positioning and placing the top part of the leak detection device rack, the embedded sliding of a linear bearing plate 6 and the outer side of the guide pillar 1 plays a role in preventing deflection and limiting the main body of the device, a pressing mechanism 5 arranged at the tail end of a cylinder rod at the bottom of a pressing cylinder 4 and the linear bearing plate 6 form a top part integrally, the pressing mechanism is used for controlling the vertical sliding of a pressure outer cover 7 in the linear bearing plate 6, a base plate 15 is a top plate structure of a feeding structure for placing pipe materials, a detection base sealing gasket 16 and a pipe fitting positioning seat 17 arranged at the top part of the base plate 15 play a role in clamping and placing the pipe materials to be detected, wherein the inside hard trachea that sets up of pipe fitting positioning seat 17 and the air pump and the control element that the bed plate 15 bottom intercommunication set up play to the inside pressurization that aerifing of pipe material and pressure dustcoat 7, wherein the hard trachea is located the left front end of placing the pipe material, the pressure sensor one end that detects the inside sensor that sets up of pressure pole 8 detects the interface connects the atmosphere, the other end inserts in the work piece, if the work piece does not leak, sensor both sides pressure is the same, if the work piece leaks, the atmospheric pressure just is higher than the other end atmospheric pressure in the work piece, the sensor produces the differential pressure input and realizes measuring, the less atmospheric pressure volume of accessible pressurization carries out accurate leak hunting effect to the pipe inner wall.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. Leak hunting machine leak hunting system, including guide pillar (1), its characterized in that: the bottom of the guide pillar (1) is fixedly provided with a case table (2), the top of the guide pillar (1) is fixedly provided with a tray table (3), the top of the tray table (3) is fixedly provided with a compression cylinder (4), a cylinder rod at the bottom of the compression cylinder (4) is fixedly provided with a compression mechanism (5), the bottom of the compression mechanism (5) is fixedly provided with a linear bearing plate (6), the inside of the linear bearing plate (6) is in embedded sliding arrangement with the outside of the guide pillar (1), the inside of the bottom of the linear bearing plate (6) is fixedly provided with a pressure housing (7), the inside of the top of the pressure housing (7) is in sliding arrangement with a detection pressure rod (8), the inner sealing ring (9) and the guide copper sleeve (11) are fixedly embedded in the top end of the pressure outer cover (7), the limit lock nut (10) is arranged on the outer side threads of the top of the detection pressure rod (8), the sensor detection interface (12) is arranged in the detection pressure rod (8), the reset pressure spring (13) is fixedly arranged between the top of the inner cavity of the pressure outer cover (7) and the inner side of the bottom end of the detection pressure rod (8), the outer cover sealing ring (14) is fixedly arranged at the bottom end of the pressure outer cover (7), the base plate (15) is arranged at the bottom of the pressure outer cover (7), the detection base is characterized in that a detection base sealing gasket (16) is fixedly arranged inside the top end of the base plate (15), and a pipe fitting positioning seat (17) is fixedly arranged on the top end of the detection base sealing gasket (16).

2. A leak detection system for a leak detector as defined in claim 1, wherein: the guide post (1), the compression cylinder (4), the pressure outer cover (7), the detection pressure rod (8), the guide copper sleeve (11) and the placing reset pressure spring (13) are arranged in parallel in a vertical plane.

3. A leak detection system for a leak detector as defined in claim 1, wherein: the inner side of the top end of the base plate (15) is in embedded contact with the bottom end of the outer cover sealing ring (14).

4. A leak detection system for a leak detector as defined in claim 1, wherein: the tray table (3), the linear bearing plate (6) and the detection base sealing gasket (16) are arranged horizontally and in parallel.