CN219391271U - Detection device for pressure pipeline leakage - Google Patents

Abstract

The utility model is applicable to the technical field of leakage detection, and provides a pressure pipeline leakage detection device comprising: a detection box; two fixed plates, which are respectively fixed in the detection box; The height of the moving limit mechanism is set on another fixed plate away from the first pipeline; the inflator is installed in the detection box and communicates with the moving limit mechanism through a connecting hose; and the limit blocking component is arranged in the moving limit mechanism; the utility model has good leakage detection effect.

Description

A pressure pipeline leak detection device

technical field

The utility model belongs to the technical field of leakage detection, in particular to a pressure pipeline leakage detection device.

Background technique

Pressure pipelines refer to all pipelines that are subject to internal or external pressure. The demand for their use today is very large. In order to ensure the quality of pressure pipelines, they need to be inspected after their production and processing are completed. Leak detection operations are performed on them to ensure the qualification of pressure pipelines.

The prior art discloses a leak detection device for pressure pipeline detection, which includes a housing, the bottom of the housing is fixedly connected with legs, the inner bottom wall of the housing is fixedly connected with a clamping box, the top of the clamping box is fixedly connected with a placement plate, one side of the top of the housing is fixedly connected with a detection box, the lower end of one side of the housing is fixedly connected with an exhaust pipe, the upper end of one side of the housing is fixedly connected with a filter box, one side of the filter box is fixedly connected with an intake pipe, and one side of the clamping plate is fixedly connected with a flexible block.

The above-mentioned prior art has defects, for example, the volume of the pressure detection is relatively large, which makes the cost of the pressure detection relatively high, and leads to the problem of low pressure detection efficiency.

Utility model content

The purpose of the embodiments of the present invention is to provide a detection device for pressure pipeline leakage, aiming to solve the problems described in the background art.

The embodiment of the utility model is achieved in this way, a detection device for pressure pipeline leakage, comprising:

test box;

There are two fixing plates and they are respectively fixed in the detection box;

The first pipe is fixed on a fixed plate;

A pressure detection gauge communicated with the first pipeline for detecting fluid pressure;

The first end cover is installed on the open end of the pressure detection gauge and communicated with it;

The first sealing gasket is installed on the side of the first end cover away from the pressure detection gauge;

The bearing mechanism is arranged between the two fixing plates and is used for bearing the pressure pipeline;

The height adjustment mechanism is set in the detection box and is used to adjust the height of the bearing mechanism;

A movement limiting mechanism is arranged on another fixed plate away from the first pipeline;

The inflator is installed in the detection box and communicates with the movement limit mechanism through a connecting hose; and

The limit blocking component is arranged in the movement limit mechanism and is used to drive the movement limit mechanism to seal the pipe opening.

Preferably, the height adjustment mechanism includes:

Two-way screw, set in the detection box through connection and rotation;

Two moving seats are provided and are threadedly connected with the two-way screw;

The slide rail is fixed on the inner wall of the detection box and is slidably connected with the moving seat;

Support sleeve, fixed on the mobile seat;

The support rod is slidably connected with the support sleeve and slidably connected with the bearing mechanism;

There are two connecting rods, which are distributed obliquely and staggered, one end is hinged to the support rod, and the other end is hinged to the support sleeve; and

The power assembly is used to drive the two-way screw to rotate;

The carrying mechanism is fixedly connected with a telescopic guide assembly.

Preferably, the power assembly includes a motor and a gear pair, the motor is mounted on a fixed plate, and the output end of the motor is connected to the bidirectional screw through the gear pair.

Preferably, the carrying mechanism includes:

Support base;

arc-shaped slots are arranged on the support seat; and

The universal wheel is evenly fixed on the inner wall of the arc groove.

Preferably, the movement limiting mechanism includes:

The fixing sleeve is fixedly connected with the fixing plate and communicated with the connecting hose;

The moving pipe is slidably connected with the fixed sleeve and communicates with its inner cavity, and one end extends to the outer end;

The second end cover is fixed on one end of the moving pipe outside the fixed sleeve and communicates with the moving pipe; and

The second sealing gasket is installed on the side of the second end cover away from the moving pipe;

The stop blocking assembly is located in the fixed sleeve and connected with the moving pipeline.

Preferably, the limit stopper assembly includes:

The blocking seat fits and slides in the fixed sleeve, and is fixedly connected with the moving pipeline, and is provided with a hollow groove for conducting the fixed sleeve and the moving pipeline;

There are two limit sliders, which are slidably arranged in the blocking seat and distributed symmetrically;

The first elastic member has one end fixed on the limit slider, the other end extending into the hollow groove, and a slope is provided on the side facing the connecting hose; and

The clamping block is arranged in the blocking seat, and the two ends are respectively connected with the blocking seat and the limit slider.

Compared with the prior art, the beneficial effect of the utility model is: by setting the detection box, the fixed plate, the first pipeline, the pressure detection gauge, the first end cover, the bearing mechanism, the first sealing gasket, the moving limit mechanism, the connecting hose, the inflator, the height adjustment mechanism and the limit blocking assembly, when in use, by placing the pressure pipeline on the bearing mechanism, and then adjusting the height of the bearing mechanism through the height adjustment mechanism, the pressure pipeline is coaxial with the first pipeline, and then the pipeline is abutted against the first sealing pad, and then the movement limit mechanism is adjusted by the limit blocking component to drive the movement limit The mechanism seals the opening at the other end of the pipeline, and then starts the inflator. The pressure value provided on the display screen of the inflator is displayed. At the same time, the pressure detection gauge will also detect the fluid pressure in the first pipeline, the first end cover, and the pressure pipeline. If the pressure value displayed by the pressure detection gauge and the inflator are quite different, it means that the pressure pipeline is leaking. The operation is simple and convenient, and the pressure filling volume is small, which can greatly improve the detection efficiency.

Description of drawings

Fig. 1 is a structural schematic diagram of a pressure pipeline leakage detection device provided by an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of a bearing mechanism in a pressure pipeline leakage detection device provided by an embodiment of the present invention;

Fig. 3 is a structural schematic diagram of a moving limit mechanism in a pressure pipeline leak detection device provided by an embodiment of the present invention;

Fig. 4 is a schematic diagram of the structure at A in Fig. 3;

Fig. 5 is a three-dimensional schematic diagram of a clamping block in a pressure pipeline leakage detection device provided by an embodiment of the present invention.

In the accompanying drawings: 1-detection box; 2-fixed plate; 3-first pipeline; 4-pressure detection gauge; 5-first end cover; 6-carrying mechanism; 601-support base; 602-arc groove; - slide rail; 13-support sleeve; 14-support rod; 15-connecting rod; 16-motor; 17-gear pair; 18-two-way screw; 19-guiding sleeve; 20-guiding rod; 21-blocking seat;

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

In the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "one end", "another end", "outer side", "upper", "inner side", "horizontal", "coaxial", "central", "end", "length", "outer end" etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as Limitations on the Invention.

In the present invention, unless otherwise clearly specified and limited, terms such as "setting", "socketing", "connection", "through", and "plug-in" should be understood in a broad sense, for example, it may be a fixed connection, or a detachable connection, or integrated; it may be a mechanical connection, it may also be an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations. The specific implementation of the utility model is described in detail below in conjunction with specific embodiments.

As shown in Figure 1, it is a schematic structural diagram of a pressure pipeline leakage detection device provided by an embodiment of the present invention, including:

Test box 1;

Two fixing plates 2 are provided and fixed in the detection box 1 respectively;

The first pipeline 3 is fixed on a fixed plate 2;

A pressure detection gauge 4 communicates with the first pipeline 3 for detecting fluid pressure;

The first end cover 5 is installed on the open end of the pressure detection gauge 4 and communicated with it;

The first gasket 7 is installed on the side of the first end cover 5 away from the pressure detection gauge 4;

The carrying mechanism 6 is arranged between the two fixing plates 2 and is used to carry the pressure pipeline;

The height adjustment mechanism 100 is arranged in the detection box 1 and is used to adjust the height of the carrying mechanism 6;

The movement limit mechanism 8 is arranged on another fixed plate 2 away from the first pipeline 3;

The inflator 10 is installed in the detection box 1 and communicates with the movement limit mechanism 8 through the connecting hose 9; and

The stop blocking assembly 200 is arranged in the movement limit mechanism 8 and is used to drive the movement limit mechanism 8 to seal the pipe opening.

In the embodiment of the utility model, when in use, by placing the pressure pipeline on the bearing mechanism 6, and then adjusting the height of the bearing mechanism 6 through the height adjustment mechanism 100, the pressure pipeline is coaxial with the first pipeline 3, and then the pipeline is abutted against the first sealing gasket 7, and then the moving limit mechanism 8 is adjusted by the limit block assembly 200, and the moving limit mechanism 8 is driven to seal the opening at the other end of the pipeline, and then the inflator 10 is started. The pressure value provided on the display screen of the inflator 10 is displayed. , the first end cap 5, and the fluid pressure in the pressure pipe are detected. If the pressure value displayed by the pressure detection gauge 4 and the inflator 10 is much different, it means that the pressure pipe leaks. The operation is simple and convenient, and the pressure filling volume is small, which can greatly improve the detection efficiency.

As shown in Figure 1, as a preferred embodiment of the present invention, the height adjustment mechanism 100 includes:

The two-way screw 18 is arranged in the detection box 1 through connection and rotation;

Two moving seats 11 are provided and are threadedly connected with two-way screw rod 18;

The slide rail 12 is fixed on the inner wall of the detection box 1 and is slidably connected with the moving seat 11;

The supporting sleeve 13 is fixed on the moving seat 11;

The support rod 14 is slidably connected with the support sleeve 13 and slidably connected with the bearing mechanism 6;

There are two connecting rods 15, which are distributed obliquely and staggered, one end is hinged to the support rod 14, and the other end is hinged to the support sleeve 13; and

The power assembly is used to drive the two-way screw 18 to rotate;

The carrying mechanism 6 is fixedly connected with a telescopic guide assembly.

In the embodiment of the utility model, when in use, the two-way screw rod 18 is driven to rotate by the power assembly, and the two-way screw rod 18 drives two moving seats 11 to approach each other, and the moving seat 11 moves smoothly along the slide rail 12. The first pipe 3 is coaxial.

In one case of this embodiment, the power assembly includes a motor 16 and a gear pair 17, the motor 16 is installed on the fixed plate 2, the output end of the motor 16 is connected to the bidirectional screw 18 through the gear pair 17, when the motor 16 is started, the motor 16 drives the bidirectional screw 18 to rotate through the gear pair 17.

In one case of this embodiment, the telescopic guide assembly includes a guide sleeve 19 and a guide rod 20. The guide sleeve 19 is slidably arranged on the fixed plate 2. The guide sleeve 19 is slidably connected to the guide rod 20. A second elastic member is arranged inside the guide sleeve 19. The inner wall of the guide sleeve 19 is elastically connected to the end of the guide rod 20 through the second elastic member. Through this arrangement, the bearing mechanism 6 can be limited and the bearing mechanism 6 can be kept moving smoothly.

As shown in Figure 2, as another preferred embodiment of the present utility model, the carrying mechanism 6 includes:

Support seat 601;

The arc groove 602 is arranged on the support seat 601; and

The universal wheel 603 is evenly fixed on the inner wall of the arc groove 602 .

In the embodiment of the utility model, the pressure pipe is placed in the arc groove 602, and the pipe abuts against the universal wheel 603. The characteristics of the universal wheel 603 facilitate the movement of the pipe. When the pipe is short, the moving limit mechanism 8 can drive the support seat 601 to slide along the support rod 14.

As shown in Figure 3, as another preferred embodiment of the present utility model, the movement limiting mechanism 8 includes:

The fixed sleeve 801 is fixedly connected with the fixed plate 2 and communicated with the connecting hose 9;

The moving pipe 802 is slidably connected with the fixed sleeve 801 and communicated with its inner cavity, and one end extends to the outer end;

The second end cover 803 is fixed on the end of the moving pipe 802 outside the fixed sleeve 801 and communicates with the moving pipe 802; and

The second gasket 804 is installed on the side of the second end cover 803 away from the moving pipe 802;

The stop blocking assembly 200 is located in the fixed sleeve 801 and connected with the moving pipe 802 .

In the embodiment of the present utility model, when the air pressure in the connecting hose 9 flows into the fixed sleeve 801, the air pressure pushes the limit plug assembly 200 to move, the limit plug assembly 200 slides along the fixed sleeve 801 and drives the moving pipe 802 to move until the second sealing gasket 804 abuts against the end of the pipe, and drives the pipe to abut against the first sealing gasket 7. At this time, the pressure pipe cannot move, and the air pressure opens the limit plug assembly 200 and enters the moving pipe 802, the second end cover 803, and finally enters the pressure pipe. The air pressure in the pressure pipeline is kept constant with the inflator 10. If the pressure pipeline leaks, the value displayed by the pressure detection gauge 4 does not match the value displayed by the inflator 10.

As shown in Fig. 4 and Fig. 5, as another preferred embodiment of the present utility model, the stop blocking assembly 200 includes:

The blocking seat 21 fits and slides in the fixed sleeve 801, is fixedly connected with the moving pipe 802, and is provided with a hollow groove 22 for conducting the fixed sleeve 801 and the moving pipe 802;

The limit slider 23 is slidably arranged in the blocking seat 21, and there are two and symmetrically distributed;

The first elastic member 24, one end is fixed on the limit slider 23, the other end extends into the hollow groove 22, and a slope is provided on the side facing the connecting hose 9; and

The clamping block 25 is arranged in the blocking seat 21, and its two ends are respectively connected with the blocking seat 21 and the limit slider 23.

In this utility model embodiment, when the connecting hose 9 ventilates into the fixed sleeve 801, the gas squeezes the clamping block 25, and the clamping block 25 is squeezed to drive the blocking seat 21 and the moving pipe 802 to move until the second sealing pad 804 abuts against the end of the pipe and drives the pipe to abut against the first sealing pad 7. At this time, the pressure pipe cannot move, and the air pressure squeezes the clamping block 25 to move to the outside of the blocking seat 21. The clamping block 25 drives the limit slider 23 to move, and the limit slider 23 moves along the blocking seat 2 1 Slide and squeeze the first elastic member 24, the gas enters the moving pipe 802 from the gap between the two clamping blocks 25, and finally enters the pressure pipe, so that the air pressure in the pressure pipe is kept constant with the inflator 10. If the pressure pipe leaks, the value displayed on the pressure detection gauge 4 does not match the value displayed on the inflator 10.

The above embodiment of the utility model provides a detection device for pressure pipe leakage. By setting the detection box 1, the fixed plate 2, the first pipe 3, the pressure detection gauge 4, the first end cover 5, the bearing mechanism 6, the first sealing gasket 7, the movement limit mechanism 8, the connecting hose 9, the inflator 10, the height adjustment mechanism 100 and the limit block assembly 200, when in use, by placing the pressure pipeline on the bearing mechanism 6, and then adjusting the height of the bearing mechanism 6 through the height adjustment mechanism 100, the pressure pipeline is coaxial with the first pipeline 3, and then Make the pipeline abut against the first sealing gasket 7, then adjust the moving limit mechanism 8 through the limit blocking assembly 200, drive the moving limit mechanism 8 to seal the opening at the other end of the pipeline, and then start the inflator 10, the display screen of the inflator 10 has the pressure value provided, and the pressure detection gauge 4 will also detect the fluid pressure in the first pipeline 3, the first end cover 5, and the pressure pipeline. The detection efficiency can be greatly improved.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the utility model shall be included within the protection scope of the utility model.

Claims (6)

1. A pressure pipeline leakage detection device is characterized in that, comprising: detection box; There are two fixing plates and they are respectively fixed in the detection box; The first pipe is fixed on a fixed plate; A pressure detection gauge communicated with the first pipeline for detecting fluid pressure; The first end cover is installed on the open end of the pressure detection gauge and communicated with it; The first sealing gasket is installed on the side of the first end cover away from the pressure detection gauge; The bearing mechanism is arranged between the two fixing plates and is used for bearing the pressure pipeline; The height adjustment mechanism is set in the detection box and is used to adjust the height of the bearing mechanism; A movement limiting mechanism is arranged on another fixed plate away from the first pipeline; The inflator is installed in the detection box and communicates with the movement limit mechanism through a connecting hose; and The limit blocking component is arranged in the movement limit mechanism and is used to drive the movement limit mechanism to seal the pipe opening. 2. A pressure pipeline leakage detection device according to claim 1, characterized in that the height adjustment mechanism comprises: Two-way screw, set in the detection box through connection and rotation; Two moving seats are provided and are threadedly connected with the two-way screw; The slide rail is fixed on the inner wall of the detection box and is slidably connected with the moving seat; Support sleeve, fixed on the mobile seat; The support rod is slidably connected with the support sleeve and slidably connected with the bearing mechanism; There are two connecting rods, which are distributed obliquely and staggered, one end is hinged to the support rod, and the other end is hinged to the support sleeve; and The power assembly is used to drive the two-way screw to rotate; The carrying mechanism is fixedly connected with a telescopic guide assembly. 3. A detection device for pressure pipeline leakage according to claim 2, wherein the power assembly includes a motor and a gear pair, the motor is mounted on a fixed plate, and the output end of the motor is connected to a bidirectional screw through a gear pair. 4. A pressure pipeline leakage detection device according to claim 1, characterized in that the carrying mechanism comprises: Support base; arc-shaped slots are arranged on the support seat; and The universal wheel is evenly fixed on the inner wall of the arc groove. 5. A pressure pipeline leakage detection device according to claim 1, characterized in that the movement limit mechanism comprises: The fixing sleeve is fixedly connected with the fixing plate and communicated with the connecting hose; The moving pipe is slidably connected with the fixed sleeve and communicates with its inner cavity, and one end extends to the outer end; The second end cover is fixed on one end of the moving pipe outside the fixed sleeve and communicates with the moving pipe; and The second sealing gasket is installed on the side of the second end cover away from the moving pipe; The stop blocking assembly is located in the fixed sleeve and connected with the moving pipeline. 6. A detection device for pressure pipeline leakage according to claim 5, characterized in that, the limit blocking assembly comprises: The blocking seat fits and slides in the fixed sleeve, and is fixedly connected with the moving pipeline, and is provided with a hollow groove for conducting the fixed sleeve and the moving pipeline; There are two limit sliders, which are slidably arranged in the blocking seat and distributed symmetrically; The first elastic member has one end fixed on the limit slider, the other end extending into the hollow groove, and a slope is provided on the side facing the connecting hose; and The clamping block is arranged in the blocking seat, and the two ends are respectively connected with the blocking seat and the limit slider.