A centrifugal compressor inlet box guide vane mounting structure
Patent Information
- Application Number
- CN202522615969.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-10
- Publication Date
- 2026-10-16
- Estimated Expiration
- 2035-12-10
AI Technical Summary
[0003]本实用新型要解决的技术问题是提供一种离心式压缩机进气箱导流板安装结构，能够解决传统的离心式压缩机进气箱的导流板结构安装拆卸不方便，调节位置不方便的问题
1）本实用新型中通过在进气箱体的出气口处设置安装框架，并在安装框架上设置可调节位置安装的连接筋板；导流板单元采用卡扣连接的方式安装在连接筋板上，通过锁紧单元将导流板单元锁紧固定，装卸、更换操作方便快捷；此外，锁紧单元采用弯钩段与螺杆段配合的方式可以调节锁紧卡钩的长度，卡接安装板底端采用椭圆型结构，并在侧边开始矩形槽，只需在连接筋板上开设一连接槽，椭圆形段在厚度方向嵌入该连接槽内，旋转90°，使得矩形槽卡在连接槽处，即可快速实现卡接安装板的底端的快速安装，提高了安装效率。
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Figure CN224859775U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of centrifugal compressor technology, and in particular to a centrifugal compressor inlet box guide plate mounting structure. Background Technology
[0002] The air intake box of a centrifugal compressor is used to filter the air used by the centrifugal compressor to ensure that the air entering the centrifugal air compressor is clean. A filter screen needs to be installed in the air intake box, and a corresponding noise reduction plate should also be installed to reduce the noise generated during airflow. At the output end of the centrifugal compressor air intake box, a baffle structure is generally installed to ensure that the airflow output from the centrifugal compressor air intake box is stable and to reduce the impact of low turbulence on the air compressor. Commonly, multiple baffles are used to split and guide the airflow. The baffle structure is fixed, and the spacing between the baffles is also fixed, which is inconvenient to adjust, install, disassemble and maintain. Utility Model Content
[0003] The technical problem to be solved by this utility model is to provide a centrifugal compressor inlet box guide plate installation structure, which can solve the problems of inconvenient installation and disassembly, and inconvenient position adjustment of the traditional centrifugal compressor inlet box guide plate structure.
[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows: a centrifugal compressor inlet box guide plate installation structure, including an inlet box body, an inlet and an outlet provided on the inlet box body, and an outlet hood provided at the outlet; its innovation lies in: including an installation frame, a guide plate unit and a locking unit. The mounting frame is located at the junction of the air outlet and the air hood; the mounting frame is a rectangular frame structure formed by welding angle steel, and the mounting frame is provided with several adjustable connecting ribs; the connecting ribs are provided with at least one snap-fit groove, and a connecting groove is provided on one side of the snap-fit groove. One end of the flow guide plate unit is bent into an L-shape and embedded in the snap-fit groove. The flow guide plate unit is provided with a locking hole that cooperates with the locking unit. One end of the locking unit is connected to the locking hole on the guide plate unit, and the other end of the locking unit is connected to the connecting groove on the connecting rib plate; thus, the guide plate unit is locked and fixed on the mounting frame by the locking unit.
[0005] Furthermore, the mounting frame has several positioning holes at its edge, and the connecting stiffener has bolt holes at its end. The bolt holes at the end of the connecting stiffener are locked in place with the positioning holes on the mounting frame by bolts.
[0006] Furthermore, the flange of the H-shaped slot is bent to the same side to form a first card and a second card, respectively. The first card is bent perpendicular to the connecting rib, and the second card is bent at an angle. A snap is formed between the first card and the second card to match the L-shaped end of the guide plate unit.
[0007] Furthermore, the locking unit includes a snap-fit mounting plate, a hinge ear plate, a drive handle, a hook seat, and a locking hook; the snap-fit mounting plate includes a rectangular segment and an elliptical segment; the rectangular segment is disposed on the side of the elliptical segment, and a rectangular slot structure is respectively provided on both sides of the rectangular segment on the elliptical segment, and the distance between the bottoms of the two rectangular slot structures is less than the width of the connecting groove; the locking unit is quickly installed and fixed by embedding the elliptical segment into the connecting groove and rotating it 90°; the hinge ear plate has a pair and is installed on the surface of the rectangular segment of the snap-fit mounting plate near one end; the drive handle has a U-shaped structure. The drive handle is hinged to the hinge ear plate by a hinge pin; the hook seat is a cylindrical structure, and both ends of the hook seat are hinged to the drive handle by pins. The hook seat has a threaded through hole perpendicular to the axis; the locking hook includes a bent hook section and a screw section; the bent hook section is connected to one end of the screw section, and the bent hook section cooperates with the locking hole on the guide plate unit to tighten and fix the bottom end of the guide plate unit at the snap-fit groove; the other end of the screw section cooperates with the threaded through hole on the hook seat to install the locking hook on the hook seat, and the locking hook can drive the hook seat to rotate around the drive handle.
[0008] The advantages of this utility model are: 1) In this utility model, an installation frame is set at the air outlet of the air intake box, and an adjustable connecting rib plate is set on the installation frame; the guide plate unit is installed on the connecting rib plate by snap-fit connection, and the guide plate unit is locked and fixed by locking unit, making the installation, removal and replacement operations convenient and quick; in addition, the locking unit uses a combination of hook section and screw section to adjust the length of locking hook, the bottom end of the snap-fit mounting plate adopts an elliptical structure, and a rectangular groove is started on the side. Only one connecting groove needs to be opened on the connecting rib plate, the elliptical section is embedded in the connecting groove in the thickness direction, and rotated 90° so that the rectangular groove is snapped in the connecting groove, so that the bottom end of the snap-fit mounting plate can be quickly installed, improving the installation efficiency. Attached Figure Description
[0009] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0010] Figure 1 This is a schematic diagram of the installation structure of the air intake guide plate of a centrifugal compressor according to the present invention.
[0011] Figure 2 This is a schematic diagram of the connecting stiffener of the centrifugal compressor air inlet box guide plate installation structure according to the present invention.
[0012] Figure 3 This is a partially enlarged schematic diagram of the installation structure of the air intake box guide plate of a centrifugal compressor according to this utility model.
[0013] Figure 4 This is a side view of the locking unit of a centrifugal compressor intake box guide plate mounting structure according to the present invention. Detailed Implementation
[0014] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0015] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0016] like Figures 1 to 4 The centrifugal compressor inlet box guide plate mounting structure shown includes an inlet box 1, an inlet and an outlet provided on the inlet box 1, and an outlet cover 11 provided at the outlet; it also includes a mounting frame 2, a guide plate unit 3 and a locking unit 4.
[0017] The mounting frame 2 is located at the junction of the air outlet and the air hood 11. The mounting frame 2 is a rectangular frame structure formed by welding angle steel. Several adjustable connecting ribs 21 are provided inside the mounting frame 2. At least one snap-fit groove 22 is provided on the connecting rib 21, and a connecting groove 23 is provided on one side of the snap-fit groove 22.
[0018] One end of the deflector unit 3 is bent into an L-shape and embedded in the snap-fit groove 22. The deflector unit 3 is provided with a locking hole that cooperates with the locking unit 4.
[0019] One end of the locking unit 4 is connected to the locking hole on the guide plate unit 3, and the other end of the locking unit 4 is connected to the connecting groove 23 on the connecting rib plate 21; thus, the guide plate unit 3 is locked and fixed on the mounting frame 2 by the locking unit 4.
[0020] The mounting frame 2 has several positioning holes at its edge, and the end of the connecting stiffener 21 has bolt holes. The bolt holes at the end of the connecting stiffener 21 are locked in place with the positioning holes on the mounting frame 2 by bolts.
[0021] The flange of the H-shaped slot 22 is bent to the same side to form a first card 221 and a second card 222. The first card 221 is bent perpendicular to the connecting rib plate 21, and the second card 222 is bent in an inclined shape. A snap is formed between the first card and the second card to match the L-shaped end of the guide plate unit 3.
[0022] The locking unit 4 includes a snap-fit mounting plate 41, a hinge ear plate 42, a drive handle 43, a hook seat 44, and a locking hook 45. The snap-fit mounting plate 41 includes a rectangular segment 411 and an elliptical segment 412. The rectangular segment 411 is disposed on the side of the elliptical segment 412, and a rectangular slot structure is respectively provided on both sides of the rectangular segment 411 on the elliptical segment 412, and the distance between the bottoms of the two rectangular slot structures is less than the width of the connecting groove 23. The locking unit 4 is quickly installed and fixed by embedding the elliptical segment 412 into the connecting groove and rotating it 90°. The hinge ear plate 42 has a pair and is installed on the surface of the rectangular segment of the snap-fit mounting plate 41 near one end. The drive handle 43 has a U-shaped structure and drives... The drive handle 43 is hinged to the hinge ear plate by a hinge pin; the hook seat 44 is a cylindrical structure, and both ends of the hook seat 44 are hinged to the drive handle 43 by pins. The hook seat 44 has a threaded through hole in the direction perpendicular to the axis; the locking hook 45 includes a bent hook section 451 and a screw section 452; the bent hook section 451 is connected to one end of the screw section 452, and the bent hook section 451 cooperates with the locking hole on the guide plate unit 3 to tighten and fix the bottom end of the guide plate unit 3 at the buckle groove; the other end of the screw section 452 cooperates with the threaded through hole on the hook seat 44 to install the locking hook 45 on the hook seat 44, and the locking hook 45 can drive the hook seat 44 to rotate around the drive handle 43.
[0023] The working principle of this utility model is as follows: An installation frame is set at the air outlet of the air intake box, and an adjustable connecting rib plate is set on the installation frame. The guide plate unit is installed on the connecting rib plate using a snap-fit connection, and the guide plate unit is locked and fixed by a locking unit, making installation, removal, and replacement convenient and quick. Furthermore, the locking unit uses a combination of a hook section and a screw section to adjust the length of the locking hook. The bottom end of the snap-fit mounting plate adopts an elliptical structure with a rectangular groove on the side. By simply opening a connecting groove on the connecting rib plate, the elliptical section is embedded in the connecting groove in the thickness direction. Rotating 90° allows the rectangular groove to snap into place, enabling rapid installation of the bottom end of the snap-fit mounting plate and improving installation efficiency.
[0024] Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of this utility model as claimed.
Claims
1. A centrifugal compressor inlet box guide plate mounting structure, comprising an inlet box body, an inlet and an outlet provided on the inlet box body, and an outlet hood provided at the outlet; characterized in that: Includes mounting frame, deflector unit, and locking unit; The mounting frame is located at the junction of the air outlet and the air hood; the mounting frame is a rectangular frame structure formed by welding angle steel, and the mounting frame is provided with several adjustable connecting ribs; the connecting ribs are provided with at least one snap-fit groove, and a connecting groove is provided on one side of the snap-fit groove. One end of the flow guide plate unit is bent into an L-shape and embedded in the snap-fit groove. The flow guide plate unit is provided with a locking hole that cooperates with the locking unit. One end of the locking unit is connected to the locking hole on the guide plate unit, and the other end of the locking unit is connected to the connecting groove on the connecting rib plate; thus, the guide plate unit is locked and fixed on the mounting frame by the locking unit.
2. The centrifugal compressor inlet box guide plate mounting structure according to claim 1, characterized in that: The mounting frame has several positioning holes at its edge, and the connecting stiffener has bolt holes at its end. The bolt holes at the end of the connecting stiffener are locked in place with the positioning holes on the mounting frame by bolts.
3. The centrifugal compressor inlet box guide plate mounting structure according to claim 1, characterized in that: The buckle groove is formed by bending the flange of the H-shaped slot towards the same side to form a first card and a second card respectively. The first card is bent perpendicular to the connecting rib, and the second card is bent at an angle. A snap is formed between the first card and the second card to match the L-shaped end of the guide plate unit.
4. The centrifugal compressor inlet box guide plate mounting structure according to claim 1, characterized in that: The locking unit includes a snap-fit mounting plate, hinge ear plates, a drive handle, a hook seat, and a locking hook; the snap-fit mounting plate includes a rectangular segment and an elliptical segment; the rectangular segment is disposed on the side of the elliptical segment, and a rectangular slot structure is respectively provided on both sides of the rectangular segment on the elliptical segment, and the distance between the bottoms of the two rectangular slot structures is less than the width of the connecting groove; the locking unit is quickly installed and fixed by embedding the elliptical segment into the connecting groove and rotating it 90°; the hinge ear plates are a pair and are mounted on the surface of the rectangular segment of the snap-fit mounting plate near one end; the drive handle has a U-shaped structure, the... The drive handle is hinged to the hinge ear plate via a hinge pin; the hook seat is a cylindrical structure, and both ends of the hook seat are hinged to the drive handle via pins. The hook seat has a threaded through hole perpendicular to the axis; the locking hook includes a bent hook section and a screw section; the bent hook section is connected to one end of the screw section, and the bent hook section cooperates with the locking hole on the guide plate unit to tighten and fix the bottom end of the guide plate unit at the snap-fit groove; the other end of the screw section cooperates with the threaded through hole on the hook seat to install the locking hook on the hook seat, and the locking hook can drive the hook seat to rotate around the drive handle.