CN220680545U

CN220680545U - Quick fixing tool for turbine shell leakage detection

Info

Publication number: CN220680545U
Application number: CN202322170831.0U
Authority: CN
Inventors: 许洋
Original assignee: Wuxi Yelong Precision Machinery Co ltd
Current assignee: Wuxi Yelong Precision Machinery Co ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-03-29
Anticipated expiration: 2033-08-14

Abstract

The utility model relates to a quick fixing tool for detecting leakage of a turbine shell. The utility model comprises a bottom plate; the support plate is arranged on the bottom plate in a sliding manner, and a turbine shell to be tested is positioned and installed on the support plate; the first driving piece is arranged on the bottom plate and positioned on one side of the sliding plate, the first driving piece is connected with a plugging cover for plugging the turbine shell to be tested, and a side end, away from the first driving piece, of the supporting plate is connected with a first limiting block; the limiting mechanism comprises a second driving piece and a second limiting block which is driven by the second driving piece and moves along the bottom plate; the second limiting block can be matched with the first limiting block wedge, and meanwhile, the first driving piece drives the turbine shell to be tested to be pressed, so that the supporting plate is limited to generate displacement. The utility model can prevent the problem of displacement of the tool after being jacked by the cylinder, and improves the accuracy and the working efficiency of air tightness detection.

Description

Quick fixing tool for turbine shell leakage detection

Technical Field

The utility model relates to the technical field of turbine detection, in particular to a quick fixing tool for detecting leakage of a turbine shell.

Background

After the turbine shell is processed, air tightness detection is needed to determine whether the product meets the requirements. This test procedure is referred to as a leak detection procedure.

In the existing air tightness detection method, a turbine shell is arranged on the rightmost side of a sliding rail, then the turbine shell is pushed to the left side, a pneumatic switch is started, and an air cylinder pushes a blocking cover to move to the right side, so that the blocking cover is attached to the turbine shell to play a sealing role, and air tightness detection is carried out.

However, since the cylinder and the rail direction are on the same line, a problem arises when the cylinder pushes the closure. When the sealing blanking cover is pressed on the turbine shell, the supporting plate of the turbine shell is easy to displace, so that the turbine shell is displaced, the tightness is affected, and the detection accuracy is affected.

Disclosure of Invention

Therefore, the quick fixing tool for detecting leakage of the turbine shell can prevent the problem that the tool is displaced after being jacked by the air cylinder, and improves the accuracy and the working efficiency of air tightness detection.

In order to solve the technical problems, the utility model provides a quick fixing tool for detecting leakage of a turbine shell, which comprises the following components:

a bottom plate;

the support plate is arranged on the bottom plate in a sliding manner, and a turbine shell to be tested is positioned and installed on the support plate;

the first driving piece is arranged on the bottom plate and positioned on one side of the sliding plate, the first driving piece is connected with a plugging cover for plugging the turbine shell to be tested, and a side end, away from the first driving piece, of the supporting plate is connected with a first limiting block;

the limiting mechanism comprises a second driving piece and a second limiting block which is driven by the second driving piece and moves along the bottom plate;

the second limiting block can be matched with the first limiting block wedge, and meanwhile, the first driving piece drives the turbine shell to be tested to be pressed, so that the supporting plate is limited to generate displacement.

In one embodiment of the present utility model, the bottom plate is provided with a first linear slide rail, and the support plate is slidably connected to the first linear slide rail.

In one embodiment of the present utility model, two first linear sliding rails are disposed in parallel.

In an embodiment of the utility model, the limiting mechanism further includes a base connected to the bottom plate, a second linear slide rail connected to the base, and a bracket slidably connected to the second linear slide rail, where the second limiting block is connected to the bracket.

In one embodiment of the utility model, the bracket and the second limiting block are integrally formed, the bracket is connected with a connecting block which is arranged vertically to the bracket, and the driving end of the second driving piece is connected with the connecting block.

In one embodiment of the present utility model, the first driving member and the second driving member are both cylinders, and the driving directions of the first driving member and the second driving member are perpendicular.

In one embodiment of the present utility model, a spacer is disposed between the first stopper and the support plate.

In one embodiment of the utility model, the support plate is connected with a positioning seat, and the turbine shell to be tested is mounted on the positioning seat.

In one embodiment of the present utility model, the first stopper has a first inclined surface, and the second stopper has a second inclined surface capable of contact-fitting with the first inclined surface.

In one embodiment of the utility model, the wedge fit angle of the first limiting block and the second limiting block is 8-10 degrees.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

the quick fixing tool for detecting leakage of the turbine shell provides fastening force for the supporting plate and the turbine shell to be detected, prevents displacement or separation, ensures tight airtight sealing, and improves detection accuracy. The problem that the tool is displaced after being jacked by the air cylinder can be prevented, and the accuracy and the working efficiency of air tightness detection are improved.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.

FIG. 1 is a schematic diagram of the overall structure of a quick-fix tool for leak detection of a turbine shell of the present utility model.

Fig. 2 is a schematic view of a stationary support plate of a quick-fix tool for leak detection of a turbine shell of the present utility model.

Description of the specification reference numerals:

1. a bottom plate; 11. a first linear slide rail;

2. a support plate; 21. a positioning seat;

3. turbine shells to be tested;

4. a first driving member; 41. a blocking cover;

5. a first limiting block; 51. a first inclined surface; 52. a gasket;

6. a limiting mechanism; 61. a second driving member; 62. a second limiting block; 621. a second inclined surface; 63. a base; 64. the second linear slide rail; 65. a bracket; 66. and (5) connecting a block.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

In the present utility model, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present utility model, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present utility model, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the present utility model, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 to 2, a quick fixing tool for detecting leakage of a turbine shell according to the present utility model includes:

a base plate 1;

the support plate 2 is arranged on the bottom plate 1 in a sliding manner, and a turbine shell 3 to be tested is positioned and installed on the support plate 2;

the first driving piece 4 is arranged on the bottom plate 1 and positioned on one side of the sliding plate, the first driving piece 4 is connected with a plugging cover 41 for plugging the turbine shell 3 to be tested, and the side end, away from the first driving piece 4, of the supporting plate 2 is connected with a first limiting block 5;

the limiting mechanism 6 comprises a second driving piece 61 and a second limiting block 62 which is driven by the second driving piece 61 and moves along the bottom plate 1;

wherein, the second limiting block 62 can be in wedge fit with the first limiting block 5, and meanwhile, the first driving piece 4 drives the turbine shell 3 to be tested to limit the support plate 2 to displace.

In some embodiments, the base plate 1 is provided with a first linear slide 11, and the support plate 2 is slidably connected to the first linear slide 11. Facilitating smooth sliding and positioning of the support plate 2.

In some embodiments, two first linear slides 11 are disposed in parallel.

In some embodiments, the limiting mechanism 6 further includes a base 63 connected to the base 1, a second linear rail 64 connected to the base 63, and a bracket 65 slidably connected to the second linear rail 64, where the second limiting block 62 is connected to the bracket 65.

In some embodiments, the bracket 65 is integrally formed with the second limiting block 62, the bracket 65 is connected with a connecting block 66 disposed perpendicular to the bracket 65, and the driving end of the second driving member 61 is connected to the connecting block 66.

In some embodiments, the first driving member 4 and the second driving member 61 are both cylinders, and the driving directions of the two driving members are perpendicular.

In some embodiments, a spacer 52 is disposed between the first stopper 5 and the support plate 2. Wherein the spacer 52 serves to change its thickness to fine tune the position of the support plate 2, preventing the maximum stroke of the first driver 4 (cylinder) from being exceeded.

In some embodiments, the support plate 2 is connected with a positioning seat 21, the turbine shell 3 to be tested is mounted on the positioning seat 21, and a positioning cavity corresponding to the shape of the turbine shell 3 to be tested is arranged in the positioning seat 21. Helping to ensure stable installation and positioning of the turbine housing 3 to be tested.

In some embodiments, the first stopper 5 has a first inclined surface 51, and the second stopper 62 has a second inclined surface 621 capable of contact-fitting with the first inclined surface 51. Wedge cooperation can be realized, the stability of backup pad 2 is increased and displacement is prevented.

In some embodiments, the wedge mating angle of the first limiting block 5 and the second limiting block 62 is 8 ° to 10 °. Helping to produce a proper locking effect and friction. Through the design of slide wedge cooperation angle, provide fastening force for backup pad 2 to prevent displacement or break away from, ensure inseparable airtight seal, improve the accuracy of detection.

When the device works, the second driving piece 61 is started first, the bracket 65 is pushed forwards, and the second limiting block 62 is matched with the first limiting block 5 in a wedge manner; the first driving member 4 is then activated, and the support plate 2 can be caught by the bracket 65 when the sealing cover 41 is pressed against the turbine housing 3 to be tested, preventing displacement thereof, thereby enabling the airtightness detection to be successfully performed.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.

Claims

1. Quick fixing tool for detecting leakage of turbine shell is characterized by comprising:

a bottom plate (1);

the support plate (2) is arranged on the bottom plate (1) in a sliding manner, and a turbine shell (3) to be tested is positioned and installed on the support plate (2);

the first driving piece (4) is arranged on the bottom plate (1) and is positioned on one side of the supporting plate (2), the first driving piece (4) is connected with a plugging cover (41) for plugging the turbine shell (3) to be tested, and a first limiting block (5) is connected to the side end, far away from the first driving piece (4), of the supporting plate (2);

the limiting mechanism (6) comprises a second driving piece (61) and a second limiting block (62) which is driven by the second driving piece (61) and moves along the bottom plate (1);

the second limiting block (62) can be matched with the first limiting block (5) in a wedge mode, and meanwhile the first driving piece (4) drives the turbine shell (3) to be tested, so that the supporting plate (2) is limited to generate displacement.

2. The quick fixing tool for detecting leakage of a turbine shell according to claim 1, wherein the bottom plate (1) is provided with a first linear slide rail (11), and the support plate (2) is slidably connected to the first linear slide rail (11).

3. The quick fixing tool for detecting leakage of a turbine shell according to claim 2, wherein two first linear slide rails (11) are arranged in parallel.

4. The quick fixing tool for detecting leakage of a turbine shell according to claim 1, wherein the limiting mechanism (6) further comprises a base (63) connected to the base (1), a second linear slide rail (64) connected to the base (63), and a bracket (65) slidably connected to the second linear slide rail (64), and the second limiting block (62) is connected to the bracket (65).

5. The quick fixing tool for detecting leakage of a turbine shell according to claim 4, wherein the bracket (65) and the second limiting block (62) are integrally formed, the bracket (65) is connected with a connecting block (66) which is vertically arranged with the bracket, and the driving end of the second driving piece (61) is connected with the connecting block (66).

6. The quick fixing tool for detecting leakage of a turbine shell according to claim 1, wherein the first driving piece (4) and the second driving piece (61) are both cylinders, and the driving directions of the first driving piece and the second driving piece are perpendicular.

7. The quick fixing tool for detecting leakage of a turbine shell according to claim 1, wherein a gasket (52) is arranged between the first limiting block (5) and the supporting plate (2).

8. The quick fixing tool for detecting leakage of a turbine shell according to claim 1, wherein the supporting plate (2) is connected with a positioning seat (21), and the turbine shell (3) to be detected is mounted on the positioning seat (21).

9. The quick fixing tool for detecting leakage of a turbine shell according to claim 1, wherein the first limiting block (5) is provided with a first inclined surface (51), and the second limiting block (62) is provided with a second inclined surface (621) which can be in contact fit with the first inclined surface (51).

10. The quick fixing tool for detecting leakage of a turbine shell according to claim 1, wherein the wedge matching angle of the first limiting block (5) and the second limiting block (62) is 8-10 degrees.