CN217483789U

CN217483789U - Pipeline detection device for hydraulic station

Info

Publication number: CN217483789U
Application number: CN202221634508.3U
Authority: CN
Inventors: 冯俊
Original assignee: Nantong Jierui Hydraulic Technology Co ltd
Current assignee: Nantong Jierui Hydraulic Technology Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-09-23
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a pipeline detection device for a hydraulic station, which comprises a bottom plate, a detection part and a moving part; the bottom plate is arranged up and down; four upright posts are fixed on the upper side of the bottom plate and distributed on four corners of the bottom plate; the stand sets up vertically. The pipeline that will wait to detect passes through hydraulic joint and fixes to the seal box downside, the start resistance board preheats the seal box, make the gas thermal expansion in seal box and the pipeline, the exhaust portion is gaseous, start the master cylinder after preheating, drive the piston post extension, the piston post drives the second diaphragm and moves down, the second diaphragm drives the seal box and moves down, the pipeline after will heating stretches into in the water tank, observe the water level scale of glass board record this moment, wait to observe the water level of glass board record this moment again after the pipeline cools off, if the water level of second record than the water level of first record then the pipeline gas tightness is good, otherwise the pipeline gas leakage. The air tightness detection can be conveniently and quickly carried out on the pipeline, and the detection result is easy to observe and accurate.

Description

Pipeline detection device for hydraulic station

Technical Field

The utility model relates to a hydraulic equipment field especially relates to a pipeline detection device for hydraulic pressure station.

Background

With the rapid development of the hydraulic pipeline market in China, the application and research and development of related core production technologies become the focus of attention of enterprises in the industry. Understanding the research and development trends, process equipment, technical application and trend of the home and abroad hydraulic pipe production core technology is very key for enterprises to improve the technical specification of products and improve the market competitiveness. When some places detect the gas tightness of hydraulic pressure pipeline, adopt and put into the aquatic with hydraulic pressure pipeline, then let in gas in to hydraulic pressure pipeline, whether the pipe shaft of observing hydraulic pressure pipeline produces the bubble through the people's eye. The detected result is not easy to observe and is not accurate enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline detection device for hydraulic pressure station just in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a pipeline detection device for a hydraulic station comprises a bottom plate, a detection part and a moving part; the bottom plate is arranged up and down; four upright posts are fixed on the upper side of the bottom plate and distributed on four corners of the bottom plate; the upright posts are vertically arranged; the detection part is arranged above the bottom plate and comprises a sealing box and a water tank; the sealing box is arranged above the bottom plate; a heating component is arranged on the outer side of the sealing box; a pipeline is arranged at the lower side of the sealing box; the pipeline is vertically arranged; the pipeline is connected with the sealing box through a connecting component; a water tank is arranged below the pipeline; the water tank is positioned on the upper side of the bottom plate; the moving part is arranged on the upper side of the upright post and is used for controlling the detection part to move up and down.

In the structure, the pipeline that will wait to detect passes through hydraulic joint and fixes to the seal box downside, start resistance board preheats the seal box, make the gas thermal expansion in seal box and the pipeline, the exhaust portion is gaseous, start the main cylinder after preheating, drive the piston post extension, the piston post drives the second diaphragm and moves down, the second diaphragm drives the seal box and moves down, the pipeline after will heating stretches into in the water tank, observe the water level scale of glass board record this moment, wait to observe the water level of glass board record this moment again after the pipeline cools off, if the water level of second record than the water level of first record then the pipeline gas tightness good, otherwise the pipeline gas leakage.

Preferably, the moving part comprises a first transverse plate and a piston post; the first transverse plate is fixed at the upper end of the upright post; a main cylinder is arranged on the upper side of the first transverse plate; the piston column is vertically arranged and coaxially fixed below the main cylinder; a second transverse plate is fixed on the lower side of the piston column; the second transverse plate can slide up and down along the upright post; the lower end of the second transverse plate is fixedly connected with the upper end of the seal box.

Preferably, the heating assembly comprises two resistance plates; the two resistance plates are respectively fixed on the left side and the right side of the sealing box.

Preferably, the connection assembly comprises a hydraulic fitting; the hydraulic joint can make the sealing box and the pipeline completely connected in a sealing mode.

Preferably, the water tank comprises a tank body and a glass plate; the box body is fixed above the bottom plate and is positioned right below the pipeline; a square notch is formed in the front side of the box body; the glass plate is fixed in the square notch of the box body.

Preferably, the glass plate is provided with scales for judging the height of the water level in the box body.

Has the advantages that: the pipeline that will wait to detect passes through hydraulic joint and fixes to the seal box downside, the start resistance board preheats the seal box, make the gas thermal expansion in seal box and the pipeline, the exhaust portion is gaseous, start the master cylinder after preheating, drive the piston post extension, the piston post drives the second diaphragm and moves down, the second diaphragm drives the seal box and moves down, the pipeline after will heating stretches into in the water tank, observe the water level scale of glass board record this moment, wait to observe the water level of glass board record this moment again after the pipeline cools off, if the water level of second record than the water level of first record then the pipeline gas tightness is good, otherwise the pipeline gas leakage. The air tightness detection can be conveniently and quickly carried out on the pipeline, and the detection result is easy to observe and accurate.

Drawings

Fig. 1 is a schematic structural diagram of a pipeline detection device for a hydraulic station according to the present invention;

fig. 2 is a front view of an embodiment of the invention;

fig. 3 is a bottom view of an embodiment of the present invention;

fig. 4 is a side view of an embodiment of the invention.

The reference numerals are explained below: 1. a base plate; 2. a column; 11. a sealing box; 12. a hydraulic joint; 13. a pipeline; 14. a water tank; 141. a box body; 142. a glass plate; 21. a master cylinder; 22. a first transverse plate; 23. a piston post; 24. a second transverse plate; 30. and (4) a resistance plate.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 4, a pipeline inspection device for a hydraulic station includes a base plate 1, an inspection portion, and a moving portion; the bottom plate 1 is arranged up and down; four upright posts 2 are fixed on the upper side of the bottom plate 1, and the four upright posts 2 are distributed on four corners of the bottom plate 1; the upright post 2 is vertically arranged; the detection part is arranged above the bottom plate 1 and comprises a seal box 11 and a water tank 14; the seal box 11 is arranged above the bottom plate 1; a heating assembly is arranged outside the sealing box 11; a pipeline 13 is arranged at the lower side of the seal box 11; the pipeline 13 is vertically arranged; the pipeline 13 and the seal box 11 are connected through a connecting assembly; a water tank 14 is arranged below the pipeline 13; the water tank 14 is located at the upper side of the base plate 1.

The moving part is arranged on the upper side of the upright post 2 and is used for controlling the detection part to move up and down. Fixing a pipeline 13 to be detected to the lower side of a seal box 11 through a hydraulic joint 12, starting a resistance plate 30 to preheat the seal box 11, enabling gas in the seal box 11 and the pipeline 13 to expand when heated, discharging partial gas, starting a main cylinder 21 after preheating, driving a piston column 23 to extend, driving a second transverse plate 24 to move downwards by the piston column 23, driving the seal box 11 to move downwards by the second transverse plate 24, extending the heated pipeline 13 into a water tank 14, observing the water level scale recorded by a glass plate 142 at the moment, observing the water level recorded by the glass plate 142 again after the pipeline 13 is cooled, and if the water level recorded for the second time is lower than the water level recorded for the first time, the air tightness of the pipeline 13 is good, otherwise, the pipeline 13 leaks gas. The air tightness detection can be conveniently and rapidly carried out on the pipeline 13, and the detection result is easy to observe and accurate.

In the above structure, the pipeline 13 to be detected is fixed to the lower side of the seal box 11 through the hydraulic joint 12, the resistance plate 30 is started to preheat the seal box 11, so that the gas in the seal box 11 and the pipeline 13 is heated and expanded, part of the gas is discharged, the main cylinder 21 is started after preheating, the piston column 23 is driven to extend, the piston column 23 drives the second transverse plate 24 to move downwards, the second transverse plate 24 drives the seal box 11 to move downwards, the heated pipeline 13 extends into the water tank 14, the glass plate 142 is observed to record the water level scale at this time, the glass plate 142 is observed again to record the water level at this time after the pipeline 13 is cooled, if the water level recorded for the second time is lower than the water level recorded for the first time, the air tightness of the pipeline 13 is good, otherwise, and the pipeline 13 leaks gas.

Preferably, the moving part includes a first cross plate 22 and a piston post 23; the first transverse plate 22 is fixed at the upper end of the upright post 2; the main cylinder 21 is arranged on the upper side of the first transverse plate 22; the piston column 23 is vertically arranged and coaxially fixed below the master cylinder 21; a second transverse plate 24 is fixed on the lower side of the piston column 23; the second transverse plate 24 can slide up and down along the upright post 2; the lower end of the second transverse plate 24 is fixedly connected with the upper end of the seal box 11. The heating assembly comprises two resistance plates 30; two resistance plates 30 are fixed to the left and right sides of the sealing box 11, respectively. The connection assembly includes a hydraulic fitting 12; the hydraulic joint 12 provides a completely sealed connection between the seal box 11 and the pipe 13. The water tank 14 includes a tank body 141 and a glass plate 142; the box body 141 is fixed above the bottom plate 1 and is positioned right below the pipeline 13; a square notch is formed in the front side of the box body 141; the glass plate 142 is fixed in a square notch of the case 141. The glass plate 142 is provided with scales for determining the level of the water in the tank 141. Fixing the pipeline 13 to be detected to the lower side of the seal box 11 through the hydraulic connector 12, starting the resistance plate 30 to preheat the seal box 11, enabling the gas in the seal box 11 and the pipeline 13 to expand by heating, discharging partial gas, starting the main cylinder 21 after preheating, driving the piston column 23 to extend, driving the second transverse plate 24 to move downwards by the piston column 23, driving the seal box 11 to move downwards by the second transverse plate 24, extending the heated pipeline 13 into the water tank 14, observing the water level scale recorded by the glass plate 142 at the moment, observing the water level recorded by the glass plate 142 again after the pipeline 13 is cooled, if the water level recorded for the second time is lower than the water level recorded for the first time, the air tightness of the pipeline 13 is good, otherwise, the pipeline 13 leaks air. The air tightness of the pipeline 13 can be conveniently and rapidly detected, and the detection result is easy to observe and accurate.

The foregoing illustrates and describes the general principles, features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A pipeline detection device for a hydraulic station is characterized in that: comprises a bottom plate (1), a detection part and a moving part;

the bottom plate (1) is horizontally arranged; four upright posts (2) are fixed on the upper side of the bottom plate (1), and the four upright posts (2) are distributed at four corners of the bottom plate (1); the upright post (2) is vertically arranged;

the detection part is arranged above the bottom plate (1) and comprises a sealing box (11) and a water tank (14);

the sealing box (11) is arranged above the bottom plate (1); a heating component is arranged on the outer side of the sealing box (11); a pipeline (13) is arranged at the lower side of the sealing box (11); the pipeline (13) is vertically arranged; the pipeline (13) is connected with the seal box (11) through a connecting component; a water tank (14) is arranged below the pipeline (13); the water tank (14) is positioned on the upper side of the bottom plate (1);

the moving part is arranged on the upper side of the upright post (2) and is used for controlling the detection part to move up and down.

2. A line detection device for a hydraulic station according to claim 1, characterized in that: the moving part comprises a first transverse plate (22) and a piston column (23); the first transverse plate (22) is fixed at the upper end of the upright post (2); a main cylinder (21) is arranged on the upper side of the first transverse plate (22); the piston column (23) is vertically arranged and coaxially fixed below the main cylinder (21); a second transverse plate (24) is fixed on the lower side of the piston column (23); the second transverse plate (24) can slide up and down along the upright post (2); the lower end of the second transverse plate (24) is fixedly connected with the upper end of the seal box (11).

3. A line detection device for a hydraulic station according to claim 1, characterized in that: the heating assembly comprises two resistance plates (30); the two resistance plates (30) are respectively fixed on the left side and the right side of the sealing box (11).

4. A line detection device for a hydraulic station according to claim 1, characterized in that: the connection assembly comprises a hydraulic joint (12); the hydraulic joint (12) can ensure that the seal box (11) and the pipeline (13) are completely connected in a sealing way.

5. A line detection device for a hydraulic station according to claim 1, characterized in that: the water tank (14) comprises a tank body (141) and a glass plate (142); the box body (141) is fixed above the bottom plate (1) and is positioned right below the pipeline (13); a square notch is formed in the front side of the box body (141); the glass plate (142) is fixed in the square notch of the box body (141).

6. A line detection device for a hydraulic station according to claim 5, characterized in that: the glass plate (142) is provided with scales for judging the height of the water level in the box body (141).