CN218991815U

CN218991815U - Half diaphragm subassembly constructional device

Info

Publication number: CN218991815U
Application number: CN202223445925.6U
Authority: CN
Inventors: 杜华清; 周振宇; 张昌盛; 张煜国; 郇星海
Original assignee: Sunrise Petrifaction Equipment Co ltd
Current assignee: Sunrise Petrifaction Equipment Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-09
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a half-type membrane assembly structure device, which belongs to the technical field of membranes, and comprises two groups of symmetrically distributed membranes, wherein grooves matched with each other are formed in the opposite surfaces of each group of membranes; the two ends of the diaphragm are fixedly connected together through a first connecting component, a plurality of groups of first connecting components, second connecting components and third connecting components are arranged on the diaphragm, and the first connecting components, the second connecting components and the third connecting components are alternately distributed on the diaphragm at equal intervals. The half-type diaphragm assembly structure device is convenient for field installation, can ensure the normal operation of a fan or a compressor to the greatest extent, and can be used for fan or compressor equipment with large shaft diameter by reinforcing the fastening force.

Description

Half diaphragm subassembly constructional device

Technical Field

The utility model relates to the technical field of diaphragms, in particular to a half diaphragm assembly structure device.

Background

The prior petroleum industry and petrochemical industry are provided with equipment such as a large-shaft-diameter fan, a compressor and the like, and the equipment has a complex structure and is used for the occasion of induced draft and compressed gas in various large petroleum and petrochemical factories. Because the equipment has complex structure and various parts, the maintenance, the assembly and the disassembly of the replacement parts are time-consuming and labor-consuming, and usually, the maintenance of one fan or compressor is finished by a plurality of personnel and a large-scale on-site crane, and the maintenance cost and the high cost are also high. Therefore, the connecting piece used on the fan or the compressor is required to ensure the use quality and is convenient to assemble and disassemble, the diaphragm assembly in the connecting piece is high in replacement frequency, and the torque is increased due to large equipment shaft diameter and large motor power, and the cost is increased only by improving the material of the diaphragm assembly. Based on the above, the utility model provides a half-type membrane assembly structure device, which reduces the frequency of replacing the membrane assembly on site by changing the membrane assembly structure, reduces the maintenance cost of users and ensures the normal production of the users.

Disclosure of Invention

The present utility model is directed to a half-diaphragm assembly structure device, which solves the above-mentioned problems.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model relates to a half-type membrane assembly structure device, which comprises two groups of symmetrically distributed membranes, wherein grooves matched with each other are formed in the opposite surfaces of each group of membranes; the two ends of the diaphragm are fixedly connected together through a first connecting component, a plurality of groups of first connecting components, second connecting components and third connecting components are arranged on the diaphragm, and the first connecting components, the second connecting components and the third connecting components are alternately distributed on the diaphragm at equal intervals.

Further, the first connecting component comprises a first rivet and a first matched rivet sleeve; the second connecting component comprises a second rivet and a second matched rivet sleeve; the third connecting component comprises a third rivet and a third rivet sleeve matched with the third rivet.

Furthermore, the first rivet and the first rivet sleeve, the second rivet and the second rivet sleeve, and the third rivet sleeve are in interference connection.

Further, the first rivet, the second rivet and the third rivet are respectively pressed onto the first rivet sleeve, the second rivet sleeve and the third rivet sleeve by adopting a flanging and chamfering process.

Furthermore, the diaphragm is provided with mounting holes for mounting the first riveting sleeve, the second riveting sleeve and the third riveting sleeve.

Compared with the prior art, the utility model has the beneficial technical effects that:

the half-type diaphragm assembly structure device improves the structural form of a diaphragm assembly by using a conventional integral diaphragm, and has the main advantages that: firstly, the diaphragm assembly can be replaced under the condition that the fan or the compressor is not dismounted, the conventional integral diaphragm is replaced by disassembling the fan or the compressor and then replacing the diaphragm assembly, and the diaphragm assembly can be replaced under the condition that the fan or the compressor is not dismounted by utilizing the half-type diaphragm assembly structure, so that the maintenance time is shortened, and the economic cost of field maintenance equipment of a user is saved; secondly, the whole fastening force and the connection strength of the diaphragm assembly are enhanced through a rivet flanging connection process, a flange chamfer is not arranged on a conventional integral diaphragm assembly rivet, the integral diaphragm assembly rivet mainly plays a role in fastening the diaphragm by means of interference fit between the outer diameter of the rivet and an inner hole of a rivet sleeve, and the flange fastening can ensure that the diaphragm assembly can be suitable for larger torque output by a fan or a compressor in the use process, so that the service life of the diaphragm assembly is prolonged. In a word, the half-type membrane assembly structure device is convenient for field installation, can ensure the normal operation of a fan or a compressor to the greatest extent, and can be used for fan or compressor equipment with large shaft diameter by reinforcing the fastening force.

Drawings

The utility model is further described with reference to the following description of the drawings.

FIG. 1 is a block diagram of a half diaphragm assembly structure of the present utility model;

FIG. 2 is a side view of the assembled half diaphragm assembly structure of the present utility model;

FIG. 3 is a cross-sectional view of the rivet;

FIG. 4 is a cross-sectional view of a rivet sleeve I and a rivet;

FIG. 5 is a second cross-sectional view of the rivet;

FIG. 6 is a cross-sectional view of a second rivet and a second rivet sleeve;

FIG. 7 is a three front view of the rivet;

FIG. 8 is a cross-sectional view of a third rivet and a third rivet sleeve;

FIG. 9 is a schematic diagram of a diaphragm structure;

FIG. 10 is a structural view of a half diaphragm assembly;

reference numerals illustrate: 1. a first rivet; 2. riveting a first sleeve; 3. a membrane; 4. a second rivet; 5. riveting a second sleeve; 6. a third rivet; 7. riveting a sleeve III; 8. and (5) grooving.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements 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 utility model.

As shown in fig. 1-10, a structural device of a half-diaphragm assembly comprises a plurality of sector-shaped diaphragms 3 which are circumferentially and symmetrically distributed, and grooves 8 which are matched with each other are arranged on opposite surfaces of the plurality of diaphragms 3, and the positions of the grooves are shown in fig. 9, so that the two half-diaphragms can be positioned and installed quickly. The two ends of the diaphragm 3 are fixedly connected together through the first connecting component, and the first connecting component not only plays a role in connecting the diaphragm 3, but also can strengthen the fastening force of the diaphragm 3. The diaphragm 3 is provided with a plurality of groups of first connecting components, second connecting components and third connecting components, the first connecting components, the second connecting components and the third connecting components are alternately distributed on the diaphragm 3 at equal intervals and used for reinforcing the whole fastening force of the diaphragm components, ensuring that the diaphragm components can be suitable for larger torque output by a fan or a compressor in the using process, and prolonging the service life of the diaphragm components.

Specifically, as can be seen from fig. 2, a group of first connecting components are installed on the central position of the diaphragm 3, third connecting components are symmetrically installed on two sides of the first connecting components, second connecting components are symmetrically installed on two sides of the third connecting components, third connecting components are symmetrically installed on two sides of the second connecting components, first connecting components are symmetrically installed on two sides of the third connecting components, and first connecting components, namely, first connecting components for installing the half diaphragms 3 together, are symmetrically installed on two sides of the first connecting components.

The first connecting component comprises a first rivet 1 and a first matched rivet sleeve 2 (shown in figures 3-4); the second connecting component comprises a second rivet 4 and a second matched rivet sleeve 5 (shown in figures 5-6); the third connecting component comprises a third rivet 6 and a third matched rivet sleeve 7 (shown in figures 7-8).

The first rivet 1 is in interference connection with the first rivet sleeve 2, the second rivet 4 is in interference connection with the second rivet sleeve 5, and the third rivet 6 is in interference connection with the third rivet sleeve 7.

The first rivet 1, the second rivet 4 and the third rivet 6 are respectively pressed onto the first rivet sleeve 2, the second rivet sleeve 5 and the third rivet sleeve 7 by adopting flanging and chamfering processes, and the process can effectively improve the fastening force of the diaphragm 3, so that the diaphragm assembly structure can ensure the normal operation of a fan or a compressor to the greatest extent, and the diaphragm assembly structure can be used for fan or compressor equipment with large shaft diameter.

And the diaphragm 3 is provided with mounting holes for mounting the first riveting sleeve 2, the second riveting sleeve 5 and the third riveting sleeve 7.

The application process of the utility model is as follows:

during installation, a plurality of diaphragms 3 are connected end to end through a first connecting component to form a closed circular ring, and the fastening force of the diaphragms is enhanced by the first connecting component, a second connecting component and a third connecting component, so that the diaphragms normally operate on a fan or a compressor;

during disassembly, the first connecting component is disassembled, the whole membrane component structure can be disassembled into the two half membranes 3, so that the disassembly, the replacement and the later installation work are convenient, the maintenance time is shortened, the economic cost of the user on-site maintenance equipment is saved, and the potential safety hazard of the equipment to operators is also reduced.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. A half diaphragm assembly structure device, characterized in that: comprises two groups of diaphragms (3) which are symmetrically distributed, wherein grooves (8) which are matched with each other are arranged on the opposite surfaces of each group of diaphragms (3); the two ends of the diaphragm (3) are fixedly connected together through a first connecting component, a plurality of groups of first connecting components, second connecting components and third connecting components are arranged on the diaphragm (3), and the first connecting components, the second connecting components and the third connecting components are alternately distributed on the diaphragm (3) at equal intervals.

2. The half diaphragm assembly structure arrangement of claim 1, wherein: the first connecting component comprises a first rivet (1) and a first matched rivet sleeve (2); the second connecting component comprises a second rivet (4) and a second rivet sleeve (5) matched with the second rivet; the connecting assembly III comprises a rivet III (6) and a rivet sleeve III (7) which is matched with the rivet III.

3. The half diaphragm assembly structure apparatus of claim 2, wherein: the first rivet (1) is in interference connection with the first rivet sleeve (2), the second rivet (4) is in interference connection with the second rivet sleeve (5), and the third rivet (6) is in interference connection with the third rivet sleeve (7).

4. The half diaphragm assembly structure apparatus of claim 2, wherein: the rivet I (1), the rivet II (4) and the rivet III (6) are respectively pressed onto the rivet sleeve I (2), the rivet sleeve II (5) and the rivet sleeve III (7) by adopting a flanging chamfering process.

5. The half diaphragm assembly structure apparatus of claim 2, wherein: and the diaphragm (3) is provided with mounting holes for mounting the first riveting sleeve (2), the second riveting sleeve (5) and the third riveting sleeve (7).