CN216925984U

CN216925984U - Pressure testing device

Info

Publication number: CN216925984U
Application number: CN202220366779.9U
Authority: CN
Inventors: 王法栋; 丁徳崇
Original assignee: Qingdao Yangfan Shipbuilding Co ltd
Current assignee: Qingdao Yangfan Shipbuilding Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-07-08
Anticipated expiration: 2032-02-23

Abstract

The utility model discloses a pressure testing device, which comprises a suction part, a communication part, an output part and a water pressure detection part, wherein the suction part is used for being communicated with a water source; the output part is used for communicating with a component to be tested; the water outlet of the suction part is communicated with the water inlet of the communicating part, the water outlet of the communicating part is communicated with the water inlet of the output part, and the water pressure detecting part is used for detecting the water pressure of the water outlet of the output part. The utility model provides a pressure test device which can test whether the withstand pressure values and the pressure maintaining of a ship piping system, a cabin and equipment meet the design requirements or not, can be repeatedly used, and is simple and convenient to install, so that manpower and material resources are saved.

Description

Pressure testing device

Technical Field

The utility model belongs to the technical field of ships, and particularly relates to a pressure testing device.

Background

During the construction process of the ship, water pressure tightness and strength tests need to be carried out on the pipe system, the cabin and the equipment, and whether pressure values and pressure maintaining time which can be borne by the tested pipe system, cabin or equipment meet requirements or not is tested, so that the performance and stability of the ship waterway system are ensured.

At present, the test is often carried out through a temporary assembly test pipeline method, the test pipeline of the temporary assembly cannot be reused, the temporary assembly test pipeline is required to be built again in each test, a large amount of manpower and material resources are wasted, and the assembling efficiency of the ship is reduced.

Therefore, whether research and development a pressure testing device can test the withstand pressure numerical value and the pressurize of boats and ships piping, cabin and equipment and satisfy the designing requirement to can used repeatedly, it is simple convenient to install, thereby uses manpower and materials sparingly, for the technical problem who awaits the solution urgently.

Disclosure of Invention

Aiming at the problems pointed out in the background technology, the utility model provides a pressure test device which can test whether the withstand pressure values and the pressure maintaining of a ship pipeline, a cabin and equipment meet the design requirements or not, can be repeatedly used, and is simple and convenient to install, so that manpower and material resources are saved.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

a pressure testing device comprises a suction part, a communication part, an output part and a water pressure detection part, wherein the suction part is used for being communicated with a water source; the output part is used for communicating with a component to be tested; the water outlet of the suction part is communicated with the water inlet of the communicating part, the water outlet of the communicating part is communicated with the water inlet of the output part, and the water pressure detecting part is used for detecting the water pressure of the water outlet of the output part.

In some embodiments of the present application, the suction portion includes a pressure grip assembly, a piston, a cylinder, and a suction valve; the pressing handle assembly can drive the piston to move relative to the cylinder body, a water inlet of the water suction valve is communicated with a water source, a water outlet of the water suction valve is communicated with a water inlet of the communicating part, and the cylinder body is communicated with a water outlet of the water suction valve.

In some embodiments of the present application, the output portion includes a discharge valve, a water inlet of the discharge valve is communicated with a water outlet of the communicating portion, and a water outlet of the discharge valve is communicated with the tested component.

In some embodiments of the present application, further comprising a vent portion comprising a vent valve and a vent tube, the vent tube communicating with the outlet of the drain valve through the vent valve.

In some embodiments of the present application, the suction part further includes a suction pipe and a filter screen, one end of the suction pipe is communicated with the water inlet of the suction valve, and the other end of the suction pipe is communicated with a water source through the filter screen.

In some embodiments of the present application, further comprising a water tank, the discharge pipe is in communication with the water tank, and the suction pipe is in communication with the water tank.

In some embodiments of the present application, the handle assembly includes a handle and a movable rod, one end of the movable rod is hinged to the water tank, the other end of the movable rod is hinged to one end of the handle, the middle of the handle is hinged to the piston, and the other end of the handle is used for the operator to hold.

In some embodiments of the present application, the water pressure detecting part includes a pressure gauge for detecting a water pressure of the water outlet of the discharge valve.

In some embodiments of the present application, the water pressure detecting part further includes a timer.

Compared with the prior art, the utility model has the advantages and positive effects that:

the water of the water source is introduced into the equipment to be tested by arranging the suction part communicated with the water source, the output part communicated with the equipment to be tested and the communication part with two ends respectively communicated with the suction part and the output part, and the pressure of the equipment to be tested is adjusted by controlling the water quantity sucked from the water source so as to meet the pressure requirement of the equipment to be tested; set up the water pressure detection portion in the delivery port department of output part, the water pressure through the delivery port that detects output part replaces the water pressure that detects by test equipment, can reduce the installation procedure when experimental, only need with the delivery port of output part with by the pressure testing equipment be linked together can, the water pressure detection portion need not the independent connection, the experimental preparation time of pressure testing has been saved, the efficiency of the test is improved, and this pressure testing device repeatedly usable, be fit for using at boats and ships equipment in-process to a large amount of pipelines, the pressure testing of equipment, the work efficiency of boats and ships equipment can be greatly improved, shorten boats and ships equipment overall time.

Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of a bleed valve according to an embodiment of the present invention;

reference numerals:

110, a press handle assembly; 111, pressing the handle; 112, a movable strut; 120, a piston; 130, a cylinder body; 131, a cylinder base; 140, a suction valve; 150, a suction tube; 160, a filter screen;

200, a communication part;

300, an output section; 310, a discharge valve; 320, a discharge valve seat;

410, a pressure gauge;

500, a water tank;

610, a relief valve; 620, a drain tube.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

In the assembling process of the ship, the connection of pipelines and equipment and the like are often involved, and the pressure maintaining performance of the pipelines and the equipment needs to meet certain performance index requirements, so that the overall performance index requirements of the ship can be ensured. At present, in the process of testing ship pipelines and equipment, a testing platform needs to be built temporarily, so that great manpower and material resources are wasted, and the measurement accuracy and the qualitative performance of multiple tests cannot be unified. Therefore, the embodiment relates to a pressure testing device which can be repeatedly used and is suitable for pressure testing of various pipelines and equipment in ships.

As shown in fig. 1 and 2, the pressure testing device includes an intake portion, a communication portion 200, an output portion 300, and a water pressure detection portion.

The water inlet of the suction part is communicated with a water source, the suction part inputs water sucked from the water source into the output part 300 through the communication part 200, the output part 300 is communicated with a device to be tested, and the water pressure detection part detects the water pressure at the outlet of the output part 300. The pressure holding capacity of the device under test is determined by detecting the water pressure at the outlet of the output unit 300.

In this embodiment, a water tank 500 is further provided, and water tank 500 is used to supply water to suction valve 140.

In this embodiment, the suction part includes the handle assembly 110, the piston 120, the cylinder 130 and the suction valve 140, and the water inlet of the suction valve 140 is communicated with a water source. Wherein, the handle pressing assembly 110 can drive the piston 120 to reciprocate vertically relative to the cylinder 130, and the cylinder 130 is communicated with the output end of the water suction valve 140, so that the water suction valve 140 sucks water from the water tank 500.

The pressing handle assembly 110 comprises a pressing handle 111 and a movable supporting rod 112, wherein one end of the movable supporting rod 112 is hinged with the water tank 500, the other end of the movable supporting rod 112 is hinged with one end of the pressing handle 111, and the middle part of the pressing handle 111 is hinged with the upper end of the piston 120. The other end of the pressing handle 111 is held by the operator to be lifted or pressed down.

The middle to the lower end of the piston 120 is disposed in the cylinder 130, and the piston 120 is driven by the pressing handle 111 to reciprocate up and down with respect to the cylinder 130.

The water tank 500 is provided with a first through hole at the position where the cylinder body 130 is pre-installed, the cylinder body 130 is installed in the first through hole on the water tank 500 through the cylinder seat 131, the suction valve 140 is installed in the water tank 500, and the water outlet of the suction valve 140 is communicated with the cylinder body 130 through the cylinder seat 131. The water inlet of communicating portion 200 communicates with the water outlet of suction valve 140 through cylinder seat 131.

The output part 300 includes a discharge valve 310 and a discharge valve seat 320, and the discharge valve 310 is mounted on the water tank 500 through the discharge valve seat 320.

The water inlet of the discharge valve 310 communicates with the water outlet of the communication portion 200. The water outlet of the discharge valve 310 is connected with the equipment to be tested.

In order to measure the water pressure in the device to be tested, the water pressure detection unit needs to be communicated with the device to be tested. If with water pressure detection portion with by the direct intercommunication of pressure testing equipment, when the preparation work that tests, need connect this place alone, after experimental the finishing, dismantle this place alone, be unfavorable for improving test efficiency, be not applicable to in a large amount of pressure testing work in boats and ships equipment process. Therefore, since the water pressure at the water outlet of the discharge valve 310 is the same as the water pressure of the device under test, the water pressure detecting portion is connected to the water outlet of the discharge valve 310. The pressure of detecting discharge valve 310 delivery port department replaces the water pressure in the direct detection by the pressure testing spare, not only can guarantee the accuracy of measurement numerical value, has improved measuring efficiency simultaneously, need not to dismantle water pressure detection portion when experimental at every turn.

In addition to the pressure resistance of the device to be tested, the dwell time of the device to be tested must also be measured. Therefore, the water pressure detecting part includes a pressure gauge 410 and a timer, the pressure gauge 410 is used for detecting the pressure value at the water outlet of the discharge valve 310, and the timer is used for measuring the time of pressure maintenance.

In the present embodiment, in order to reuse the pressure testing device, it is necessary to drain the water in the water tank 500 after the test is completed.

Therefore, as shown in fig. 1 and 3, a drain portion for draining the communication portion 200 and the output portion 300 into the water tank 500 is further provided.

Specifically, the drain portion includes a drain valve 610 and a drain pipe 620, the drain pipe 620 communicates with the water outlet of the discharge valve 310 through the drain valve 610, the drain valve 610 is opened, and water is rapidly discharged from the water outlet of the discharge valve 310 into the tank 500 through the drain pipe 620.

Since water in the water tank 500 may have impurities, the water needs to be filtered before being sucked into the suction part in order to extend the service life of the pressure testing device. Accordingly, the suction part further includes a suction pipe 150 and a filter screen 160. The filter screen 160 is provided on one end of the suction pipe 150, the suction pipe 150 communicates with the water tank 500 through the filter screen 160, and the other end of the suction pipe 150 communicates with the water inlet of the suction valve 140.

Before the pressure testing device in the embodiment is used for testing, the tested equipment is communicated with the water outlet of the discharge valve 310, and the preparation work of the test can be completed.

When an operator holds the end of the handle 111 and lifts up the handle 111, the suction valve 140 is opened by the water pressure, the water in the water tank 500 enters the suction valve 140, the communication part 200 is connected between the water outlet of the suction valve 140 and the water inlet of the discharge valve 310, the water flows from the suction valve 140 to the water inlet of the discharge valve 310 through the communication part 200, the discharge valve 310 is opened by the water pressure, and the water flows into the device under test through the water outlet of the discharge valve 310. The pressure gauge 410 can be used for checking the water pressure in the device to be tested at the moment.

The operator holds the end of the handle 111 and pushes down the handle 111, the pressure at the water outlet of the suction valve 140 is restored to the same state as the pressure in the water tank 500, and the suction valve 140 is closed.

The operator lifts the pressure handle 111 again, and water is injected into the pressure test equipment again in the same process as the above, and the water pressure of the pressure test equipment is raised.

And repeatedly operating the process until the water pressure in the tested equipment reaches the target set value, and observing the timer to obtain the pressure maintaining time of the tested equipment.

After the test is completed, the relief valve 610 is opened, and the communication portion 200 and the output portion 300 are discharged into the tank 500, thereby completing the test.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A pressure testing device, comprising:

a suction portion for communicating with a water source;

a communicating portion;

an output unit for communicating with a member to be tested;

a water pressure detection unit;

the water outlet of the suction part is communicated with the water inlet of the communicating part, the water outlet of the communicating part is communicated with the water inlet of the output part, and the water pressure detecting part is used for detecting the water pressure of the water outlet of the output part.

2. The pressure testing device according to claim 1, wherein the suction portion includes:

a handle pressing component;

a piston;

a cylinder body;

a suction valve;

the pressing handle assembly can drive the piston to move relative to the cylinder body, a water inlet of the water suction valve is communicated with a water source, a water outlet of the water suction valve is communicated with a water inlet of the communicating part, and the cylinder body is communicated with a water outlet of the water suction valve.

3. The pressure testing device of claim 2, wherein the output portion comprises a discharge valve, a water inlet of the discharge valve is communicated with a water outlet of the communicating portion, and a water outlet of the discharge valve is communicated with the component to be tested.

4. The pressure testing device of claim 3, further comprising a relief portion including a relief valve and a relief tube, the relief tube communicating with the outlet of the drain valve through the relief valve.

5. The pressure testing device of claim 4, wherein the suction portion further comprises a suction pipe and a filter screen, one end of the suction pipe is communicated with the water inlet of the suction valve, and the other end of the suction pipe is communicated with a water source through the filter screen.

6. The pressure testing device of claim 5, further comprising a water tank, the drain tube being in communication with the water tank, and the suction tube being in communication with the water tank.

7. The pressure testing device of claim 6, wherein the pressure handle assembly comprises a pressure handle and a movable strut, one end of the movable strut is hinged to the water tank, the other end of the movable strut is hinged to one end of the pressure handle, the middle of the pressure handle is hinged to the piston, and the other end of the pressure handle is used for being held by an operator.

8. The pressure testing device according to claim 3, wherein the water pressure detecting portion includes a pressure gauge for detecting the water pressure at the water outlet of the discharge valve.

9. The pressure testing device according to claim 8, wherein the water pressure detecting portion further includes a timer.