CN209784045U - Sealing structure of gas cylinder hydrostatic test equipment - Google Patents

Abstract

The utility model relates to a seal structure of gas cylinder hydrostatic test equipment, including sealed lid, the cage that the lower part installation of sealed lid is used for the bearing gas cylinder, and the periphery of sealed lid is for bearing the sealed edge of gas cylinder gravity with sealed water jacket oral area. Compared with the prior art, the device simplifies the structure and operation, reduces the complexity of replacing the gas cylinder, and greatly shortens the time spent by the gas cylinder hydrostatic test device in the gas cylinder replacing stage while preventing water in the water jacket from leaking from the water jacket opening.

Description

Sealing structure of gas cylinder hydrostatic test equipment

Technical Field

The utility model relates to a sealed field of container particularly is a seal structure of gas cylinder hydrostatic test equipment.

Background

As a pressure container with higher safety performance, a hydraulic test is carried out after the gas cylinder is produced, and the purpose is mainly to check whether the bottle body and a welding line have leakage or not and the volume deformation of the bottle body under pressure. In this experiment, it is usually necessary to place the cylinder in a water jacket filled with water, and the cylinder of the cylinder is detected by converting the increased volume of the cylinder expanded under high pressure into the volume of water discharged from the water jacket, so it is important to seal the water jacket to prevent water in the water jacket from overflowing from the upper opening of the water jacket. Prior art water jacket seals typically use bolt member seal caps to seal against the water jacket. The time it takes to change cylinders is very long for a device that needs to test multiple cylinders, resulting in very inefficient test equipment.

SUMMERY OF THE UTILITY MODEL

Complement to the existence among the prior art, the utility model provides a seal structure of gas cylinder hydrostatic test equipment, its simple structure is showing the efficiency that has improved the equipment replacement gas cylinder.

In order to solve the technical problem, the utility model discloses a following technical scheme:

The sealing structure of the gas cylinder hydrostatic test equipment comprises a sealing cover, wherein a suspension cage for supporting a gas cylinder is arranged at the lower part of the sealing cover, and the periphery of the sealing cover is a sealing edge for bearing the gravity of the gas cylinder to seal the opening part of a water jacket.

The technical scheme can be further improved by the following technical measures:

As a further improvement, the suspension cage comprises a plurality of transverse ribs and longitudinal ribs, and the transverse ribs and the longitudinal ribs are connected in a welding mode.

As a further improvement, the suspension cage comprises a bottom wall and an annular side wall, and the annular side wall is provided with an opening for taking and placing the gas cylinder.

As a further improvement, a connecting flange is fixedly arranged at the top of the suspension cage, and the connecting flange is fixedly arranged at the bottom of the sealing cover.

As a further improvement, the sealing cover is also provided with a hose assembly connected with the gas cylinder, and the hose assembly comprises a lower pipe joint connected with the gas cylinder, an upper pipe joint connected with the sealing cover and a metal hose connected with the upper pipe joint and the lower pipe joint.

As a further improvement, the upper end part of the upper pipe joint is arranged on a pipeline component, the pipeline component is provided with a high-pressure water inlet, a high-pressure water outlet and a gas cylinder water outlet which are communicated with each other, wherein the high-pressure water inlet is communicated with the booster pump, the high-pressure water outlet is communicated with the gas cylinder, and the gas cylinder water outlet is externally connected with a high-pressure stop valve.

As a further improvement, the high-pressure stop valve is arranged on the outer side of the sealing cover.

As a further improvement, a collar is mounted on the upper portion of the duct member.

As a further improvement, the sealing cover is provided with a water jacket drainage port communicated with the water jacket.

As a further improvement, the water jacket water outlet is externally connected with an electromagnetic stop valve, and the electromagnetic stop valve is arranged on the outer side of the sealing cover.

owing to adopted above technical scheme, the utility model discloses following technological effect has:

The utility model discloses an adopted the gas cylinder from gravity to carry out the technical scheme sealed to the water jacket, compared with prior art and simplified equipment structure and operation, reduced the complexity of changing the gas cylinder, when preventing that water jacket internal water from revealing from the water jacket mouth very big time that has shortened gas cylinder hydrostatic test equipment and is changing the gas cylinder stage.

Drawings

Fig. 1 is a schematic structural view of a seal structure.

Fig. 2 is a bottom view of the seal structure.

Fig. 3 is an assembly structure diagram of the first embodiment.

Fig. 4 is a sectional view of an assembled structure of the first embodiment.

Fig. 5 is a schematic structural view of the hose assembly according to the first embodiment.

fig. 6 is a schematic view of a pipe construction structure according to the first embodiment.

Description of reference numerals:

1. A sealing cover; a hose assembly; 21. an upper pipe joint; 22. a metal hose; 23. a lower pipe joint; 3. a suspension cage; 4. a flange; 5. a seal ring; 6. an electromagnetic cut-off valve; 7. a water jacket; 71. a sealing edge; 8. a gas cylinder; 9. a collar; 10. a piping member; 11. a water outlet pipe joint; 12. and a water inlet pipe joint.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

The first embodiment is as follows:

The sealing structure of the hydrostatic test equipment for the gas cylinder 8 as shown in fig. 1 to 6 comprises a sealing cover 1, wherein a suspension cage 3 for supporting the gas cylinder 8 is arranged at the lower part of the sealing cover 1, and the periphery of the sealing cover 1 is a sealing edge 71 for bearing the gravity of the gas cylinder 8 to seal the opening part of a water jacket 7.

The suspension cage 3 comprises 3 transverse ribs and 4 longitudinal ribs, and the transverse ribs and the longitudinal ribs are connected in a welding mode. The cage 3 comprises a bottom wall and an annular side wall with an opening for accessing the gas cylinder 8. The top of the suspension cage 3 is fixedly provided with a connecting flange 4, and the connecting flange 4 is fixedly arranged at the bottom of the sealing cover 1. The sealing cover 1 is also provided with a hose assembly 2 connected with the gas cylinder 8, and the hose assembly 2 comprises a lower pipe joint 23 connected with the gas cylinder 8, an upper pipe joint 21 connected with the sealing cover 1 and a metal hose 22 connected with the upper pipe joint 21 and the lower pipe joint 23. The upper end of the upper pipe joint 21 is arranged on a pipeline component 10, the pipeline component 10 is provided with a high-pressure water inlet, a high-pressure water outlet and a gas cylinder 8 water outlet which are mutually communicated, wherein the high-pressure water inlet is communicated with a booster pump, the high-pressure water outlet is communicated with the gas cylinder 8, and the gas cylinder 8 water outlet is externally connected with a high-pressure stop valve. The high-pressure stop valve is arranged on the outer side of the sealing cover 1. A collar 9 is mounted on the upper portion of the duct member 10. The sealing cover 1 is provided with a water jacket 7 drainage port communicated with the water jacket 7. The water outlet of the water jacket 7 is externally connected with an electromagnetic stop valve 6, and the electromagnetic stop valve 6 is arranged on the outer side of the sealing cover 1.

As shown in fig. 1 and 2, the pipe member 10 penetrates downwards from the center of the sealing cover 1 into the water jacket 7, and the water in the water jacket 7 can be effectively prevented from overflowing from the pipe member 10 of the sealing cover 1 by adopting a threaded seal between the pipe member 10 and the water jacket 7. The high-pressure water inlet, the high-pressure water outlet and the gas cylinder 8 water outlet which are communicated with each other on the pipeline component 10 are three ports of a waterway channel which extends downwards in the pipeline component 10, the three ports are respectively connected with a water inlet pipe joint 12, a lower pipe joint 23 and a water outlet pipe joint 11, and the water outlet pipe joint 11 is connected with a high-pressure stop valve through a water pipe so that high-pressure water of the equipment in a hydraulic test cannot leak from the water outlet.

In addition, it should be noted that the water jacket 7 is fixedly arranged below the sealing cover 1, the collar 9 at the upper end of the pipeline member 10 is hinged with a lifting device, after the gas cylinder 8 is placed in the suspension cage 3, the lifting device moves downwards along with the gas cylinder 8, the gas cylinder 8 is always vertically downwards parallel to the inner wall of the water jacket 7 under the action of gravity, the bottom surface of the sealing cover 1 is also parallel and close to the sealing edge 71, when the gas cylinder 8 completely enters the water jacket 7 and is located at a working position, the sealing cover 1 presses the sealing ring 5 between the sealing edge 71 of the water jacket 7 and the sealing edge 71 under the action of the gravity of the gas cylinder 8, and the water in the water jacket 7 is prevented from being discharged from the gap between the water jacket 7 and the sealing cover 1, so that the test effect.

It should be noted that the side surface of the water jacket 7 is also provided with a water inlet, and when the test is required, the water inlet introduces water required by the test into the water jacket 7 through a water inlet pipe; the water outlet of the water jacket 7 is connected with an electromagnetic stop valve 6 through a water outlet pipe, when water needs to be discharged in the water jacket 7 at the beginning of the test, the electromagnetic stop valve 6 is in an open state, so that the gas in the water jacket 7 can be discharged from the water outlet of the water jacket 7, when the discharged water is stable, the gas in the water jacket 7 is exhausted, and the test can be started by filling high-pressure water into the gas cylinder 8.

In addition, it should be noted that the metal hose 22 is generally classified into a wire-woven hydraulic hose and a wire-wound hydraulic hose. The metal hose 22 is mainly composed of an inner glue layer and a middle glue layer which are liquid-resistant, or a steel wire winding reinforcing layer and an outer glue layer, wherein the inner glue layer has the function of enabling a conveying medium to bear pressure and protecting the steel wire from being corroded, the outer glue layer protects the steel wire from being damaged, and the steel wire layer is made of framework materials and plays a role in reinforcing.

In addition, it should be noted that the flange 4 fixedly installed on the top of the cage 3 is welded on the cage 3, and the flange 4 can be connected to the bottom of the sealing cover 1 by bolts or welded on the bottom of the sealing cover 1.

In addition, it should be noted that the bottom surface of the sealing cover 1 has an inward concave taper, which can effectively make the air bubbles upwards discharged out of the water jacket from the water jacket drainage port along the taper, so as to prevent the air bubbles in the water jacket from remaining on the sealing cover 1.

Furthermore, in other embodiments, the position of the gas cylinder 8 access opening of the cage 3 may be changed, i.e. the gas cylinder 8 may enter the cage 3 from the bottom of said cage 3, and then the cage 3 access opening may be closed. The pipe member 10 and the collar 9 are connected by bolts.

the specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1. seal cap is used herein more; a hose assembly; 21. an upper pipe joint; 22. a metal hose; 23. a lower pipe joint; 3. a suspension cage; 4. a flange; 5. a seal ring; 6. an electromagnetic cut-off valve; 7. a water jacket; 71. a sealing edge; 8. a gas cylinder; 9. a collar; 10. a piping member; 11. a water outlet pipe joint; 12. water inlet connectors, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The sealing structure of the gas cylinder hydrostatic test equipment comprises a sealing cover and is characterized in that a suspension cage for supporting a gas cylinder is arranged at the lower part of the sealing cover, and the periphery of the sealing cover is a sealing edge for bearing the gravity of the gas cylinder to seal the opening part of a water jacket.

2. The seal structure of claim 1, wherein the cage comprises a plurality of transverse ribs and longitudinal ribs, the transverse ribs and the longitudinal ribs being welded together.

3. A sealing arrangement according to claim 1 or claim 2, wherein the cage includes a bottom wall and an annular side wall having an opening for accessing a gas cylinder.

4. The seal structure of claim 1, wherein a coupling flange is fixedly mounted to a top portion of the cage, the coupling flange being fixedly mounted to a bottom portion of the seal cover.

5. The seal structure of claim 1, wherein the seal cap is further provided with a hose assembly for connecting the gas cylinder, the hose assembly comprising a lower pipe connector connected to the gas cylinder, an upper pipe connector connected to the seal cap, and a metal hose connecting the upper pipe connector and the lower pipe connector.

6. A sealing structure according to claim 5, wherein the upper end of the upper pipe joint is mounted on a pipe member having a high pressure water inlet, a high pressure water outlet and a cylinder drain port communicating with each other, wherein the high pressure water inlet is communicated with the pressurizing pump, the high pressure water outlet is communicated with the cylinder, and the cylinder drain port is externally connected with a high pressure stop valve.

7. The seal structure according to claim 6, wherein the high-pressure shut-off valve is mounted outside the seal cover.

8. A seal arrangement according to claim 6, wherein a collar is mounted on an upper portion of the duct member.

9. The seal structure according to claim 1, wherein said seal cover has a water jacket drain opening communicating with the water jacket.

10. the sealing structure according to claim 9, wherein the water jacket drain port is externally connected with an electromagnetic cut-off valve, and the electromagnetic cut-off valve is mounted on an outer side of the sealing cover.