CN218584496U

CN218584496U - Auxiliary tool for radial small hole high-pressure sealing test

Info

Publication number: CN218584496U
Application number: CN202222364750.XU
Authority: CN
Inventors: 班日华; 殷建生; 苏雪玲; 李宁; 肖荣; 孙红
Original assignee: Shanxi Pingyang Industry Machinery Co Ltd
Current assignee: Shanxi Pingyang Industry Machinery Co Ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-03-07
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to a pressure vessel, pressure-bearing container's inspection specifically are radial aperture high-pressure seal test assists utensil for carry out high-pressure seal test to the product that contains radial aperture structure. The technical problem that the radial small hole of the existing pressure container is inconvenient to seal when a high-pressure experiment is carried out is solved. A radial small hole high-pressure sealing test auxiliary tool comprises a radial supporting structure; the radial supporting structure comprises at least two supporting blocks which are provided with arc surfaces, the two supporting blocks are arranged one above the other and are connected through a supporting section; the protruding arc surfaces of the two supporting blocks are arranged outwards; a through hole is formed in one of the supporting blocks along the radial direction of the supporting block, and the inner wall of the through hole is provided with threads and is provided with a hollow pre-tightening screw; the outer wall of the hollow pre-tightening screw is provided with an external thread, and the inner wall of a central hole of the hollow pre-tightening screw is provided with an internal thread; the hollow pre-tightening screw is provided with a sealing screw, and the outer wall of the sealing screw is provided with an external thread; the length of the sealing screw is larger than that of the hollow pre-tightening screw.

Description

Radial small hole high-pressure sealing test auxiliary tool

Technical Field

The utility model relates to a pressure vessel, pressure-bearing container's inspection specifically are radial aperture high-pressure seal test assists utensil for carry out high-pressure seal test to the product that contains radial aperture structure.

Background

The pressure test is a test necessary for testing the strength and the tightness of a pressure vessel and a pressure-bearing vessel and verifying the performance. In the process of the pressure test, whether the pressure vessel has the pressure-bearing capacity necessary for running under the design pressure or not is verified by observing whether the pressure-bearing part is obviously deformed or not. In the test process, when the self structure of the tested product is difficult to realize sealing, an auxiliary tool needs to be designed to complete the sealing test.

As shown in the figures 1 and 2, the radial small holes cannot be conveniently sealed due to structural characteristics in the high-pressure sealing experiment process of a product, so that an auxiliary tool which is convenient and fast and can meet the sealing requirement of a high-pressure test is needed.

Disclosure of Invention

The utility model discloses a solve the radial aperture of present pressure vessel inconvenient technical problem who seals up when carrying out the high-pressure test, provide a radial aperture high-pressure seal test assists utensil.

The utility model discloses an adopt following technical scheme to realize: a radial small hole high-pressure sealing test auxiliary tool comprises a radial supporting structure; the radial supporting structure comprises at least two supporting blocks which are provided with arc surfaces, the two supporting blocks are arranged one above the other and are connected through a supporting section; the protruding arc surfaces of the two supporting blocks are arranged outwards; a through hole is formed in one of the supporting blocks along the radial direction of the supporting block, and the inner wall of the through hole is provided with threads and is matched with a hollow pre-tightening screw; the outer wall of the hollow pre-tightening screw is provided with an external thread, and the inner wall of a central hole of the hollow pre-tightening screw is provided with an internal thread; the hollow pre-tightening screw is provided with a sealing screw, and the outer wall of the sealing screw is provided with an external thread; the length of the sealing screw is larger than that of the hollow pre-tightening screw.

The utility model discloses the theory of operation does, makes sealed utensil of assisting be fixed in inside treating sealed work piece or product through the radial bearing structure that a pair of supporting shoe constitutes, seals radial aperture through rotatory pretension hollow screw and sealing screw, the sealed operation of quick convenient completion pressure vessel radial aperture.

Furthermore, the supporting section is two arc sections connecting the two supporting blocks, and then forms a complete circular supporting structure with the two supporting blocks.

The radial supporting structure is a complete circular ring, the through hole is formed in the radial direction of the circular ring, and the circular ring is used for being nested inside the pressure container, so that the sealing screw can be conveniently screwed into the radial small hole.

Furthermore, the support section is a pair of adjusting studs, and at least one end of each adjusting stud is in threaded connection with the support block. The adjusting stud can conveniently adjust the distance between the two supporting sections, so that the adjusting stud can be conveniently adjusted according to the inner diameter of the pressure container to be inspected, and the adaptability is stronger.

The utility model relates to a radial aperture high pressure seal is experimental, and this seal test pressure requires highly, needs the design to assist the utensil specially and tests. In order to meet the design requirements, complete a high-pressure sealing test and verify the reliability of a produced workpiece, an auxiliary tool for the test is designed. The tool is simple in structure, convenient to use and reliable to use, can be popularized to similar test auxiliary tool designs, and has certain popularization value.

Drawings

FIG. 1 is a schematic representation (front view) of a radial small hole of a high-pressure seal to be tested.

FIG. 2 is a schematic view (side view) of the radial small hole of the high-pressure seal to be tested.

FIG. 3 is a schematic view of a sealing test aid.

Fig. 4 is a second schematic structural diagram of the sealing test aid.

Fig. 5 is a schematic structural view of a hollow pretension screw.

Fig. 6 is a schematic view of a seal screw structure.

Fig. 7 is a schematic view of the installation of the seal protection material.

Fig. 8 is a schematic view of the structure of the heightening ring auxiliary tool.

Fig. 9 is a schematic view of the use of the raised ring.

1-supporting block, 2-hollow pre-tightening screw, 3-sealing screw, 4-circular ring-shaped supporting structure, 5-adjusting stud, 6-circular sealing gasket, 7-sealing gasket, 8-heightening auxiliary tool, 9-sealing test auxiliary tool and 10-radial small hole to be sealed.

Detailed Description

Example 1

A radial small hole high-pressure sealing test auxiliary tool comprises a radial supporting structure; the radial supporting structure comprises at least two supporting blocks 1 which are provided with arc surfaces, the two supporting blocks 1 are arranged one above the other and are connected through supporting sections; the protruding arc surfaces of the two supporting blocks 1 are arranged outwards; a through hole is formed in one of the supporting blocks 1 along the radial direction of the supporting block, and the inner wall of the through hole is provided with threads and is matched with a hollow pre-tightening screw 2; the outer wall of the hollow pre-tightening screw 2 is provided with an external thread, and the inner wall of the central hole is provided with an internal thread; the hollow pre-tightening screw 2 is provided with a sealing screw 3, and the outer wall of the sealing screw 3 is provided with an external thread; the length of the sealing screw 3 is larger than that of the hollow pre-tightening screw 2. The bottom of the sealing screw 3 is provided with a tip hole for facilitating the screwing operation.

Example 2

The supporting section is two arc sections connecting the two supporting blocks 1, and further forms a complete circular supporting structure 4 with the two supporting blocks 1.

Example 3

The support section is a pair of adjusting studs 5, and at least one end of each adjusting stud 5 is in threaded connection with the support block 1. Preferably, both ends of the adjusting stud 5 are connected with the support block by threads.

Example 4

An annular sealing gasket 6 made of rubber is fixed at the front end of the hollow pre-tightening screw 2; a sealing gasket 7 made of rubber is fixed at the front end of the sealing screw 3.

Example 5

Comprises a heightening assistive device 8 with the outer diameter same as the inner diameter of a product to be detected; the heightening assistive device 8 adopts a pair of semicircular ring pads or circular ring pads.

The present invention will be further described with reference to the accompanying drawings.

The utility model discloses constitute by radial bearing structure, hollow pretension screw, sealing screw triplex.

As shown in fig. 3, the radial support structure may be a circular ring structure or other structures, the radius of the circular ring is the same as or similar to the radius of the inner circle of the product to be tested, and a threaded hole is formed in the radial support structure to enable the hollow pre-tightening screw to be screwed in.

As shown in fig. 4, the radial support structure may also adopt a structure in which a threaded hole for a pre-tightening screw and a sealing screw is reserved on a support block on one side, and the support blocks on the two sides are connected by a stud. The supporting condition of the supporting block can be adjusted by rotating the stud. The left side of the figure is a sectional view, and the right side is an external structure view.

As shown in fig. 5, the hollow screw has a threaded structure inside and outside for screwing into the supporting structure for pre-fastening and sealing.

As shown in figures 6 and 7, the diameter of the sealing screw is larger than that of the small hole to be sealed, and the sealing screw is screwed in from the hollow pretension screw to seal in a pressing mode.

As shown in fig. 7, the leading ends of the cannulated screws and the sealing screws are made of rubber or other material that helps seal and protect the workpiece.

As shown in fig. 8, the sealing test aid may be added with a raised ring or other structures to assist the sealing test aid in completing the sealing. The radial sealing screw of the sealing test aid can be seen in the figure.

Claims

1. A radial small hole high-pressure sealing test auxiliary tool is characterized by comprising a radial supporting structure; the radial supporting structure comprises at least two supporting blocks (1) which are provided with arc surfaces, the two supporting blocks (1) are arranged one above the other and are connected through a supporting section; the protruded arc surfaces of the two supporting blocks (1) are arranged outwards; a through hole is formed in one of the supporting blocks (1) along the radial direction of the supporting block, and the inner wall of the through hole is provided with threads and is matched with a hollow pre-tightening screw (2); the outer wall of the hollow pre-tightening screw (2) is provided with an external thread, and the inner wall of a central hole of the hollow pre-tightening screw is provided with an internal thread; the hollow pre-tightening screw (2) is provided with a sealing screw (3), and the outer wall of the sealing screw (3) is provided with an external thread; the length of the sealing screw (3) is larger than that of the hollow pre-tightening screw (2).

2. The auxiliary tool for the radial small hole high pressure sealing test is characterized in that the supporting section is two circular arc sections connecting the two supporting blocks (1), and further forms a complete circular ring-shaped supporting structure (4) together with the two supporting blocks (1).

3. The radial small hole high pressure seal test auxiliary tool as claimed in claim 1, wherein the support section is a pair of adjusting studs (5), and at least one end of each adjusting stud (5) is in threaded connection with the support block (1).

4. The radial small-hole high-pressure sealing test auxiliary tool as claimed in any one of claims 1 to 3, wherein an annular sealing gasket (6) is fixed at the front end of the hollow pretension screw (2).

5. The radial small hole high pressure seal test auxiliary tool according to claim 4, wherein the front end of the seal screw (3) is fixed with a seal gasket (7).

6. A radial small hole high pressure seal test aid according to any one of claims 1 to 3, further comprising a heightening aid (8) having an outer diameter equal to the inner diameter of a product to be tested.

7. The radial small hole high pressure seal test auxiliary tool as claimed in claim 6, wherein the heightening auxiliary tool (8) adopts a pair of semicircular ring pads or circular ring pads.