阅读说明：本技术 一种对旋式轴流风机专用轴承箱 (Special bearing box for disrotatory axial flow fan ) 是由 黄忠念 于 2020-05-11 设计创作，主要内容包括：本发明公开了一种对旋式轴流风机专用轴承箱,包括底座,所述底座上端面中间固定设置有底框,所述底框上端连接有顶框,所述底框和顶框之间通过合页转动连接,所述底框和顶框左右两侧分别安装有侧连接组件和外安装座,所述底框和顶框横向穿设有光轴段,所述底框和顶框左右两侧壁安装有第一轴承,所述底框和顶框内设置有固定座,所述固定座中间横向穿设有轴孔,所述光轴段在轴孔内设置,所述光轴段左右两端与第一轴承转动连接,所述光轴段左右两端连接有主轴,整个装置中的光轴段和主轴安装结构稳定,强度高,拆装方便,精确度高,便于维护,移动搬运方便,使用寿命长,功能强大,值得推广。(The invention discloses a bearing box special for a disrotatory axial flow fan, which comprises a base, wherein a bottom frame is fixedly arranged in the middle of the upper end surface of the base, a top frame is connected with the upper end of the bottom frame, the bottom frame is rotationally connected with the top frame through a hinge, a side connecting component and an outer mounting seat are respectively arranged at the left side and the right side of the bottom frame and the top frame, an optical axis section is transversely arranged in the bottom frame and the top frame in a penetrating way, first bearings are arranged at the left side and the right side of the bottom frame and the top frame, fixed seats are arranged in the bottom frame and the top frame, a shaft hole is transversely arranged in the middle of the fixed seats, the optical axis section is arranged in the shaft hole, the left end and the right end of the optical axis section are rotationally connected with the first bearings, main shafts are connected with the left end and the right end of the optical axis section, the mounting structure of the optical axis section, long service life, powerful function and worth popularizing.)

1. The utility model provides a to rotating axial fan special bearing box, includes base (3), its characterized in that: a bottom frame (2) is fixedly arranged in the middle of the upper end surface of the base (3), the upper end of the bottom frame (2) is connected with a top frame (7), the bottom frame (2) and the top frame (7) are rotationally connected through a hinge (1), the left side and the right side of the bottom frame and the top frame (7) are respectively provided with a side connecting component (8) and an outer mounting seat (9), the bottom frame and the top frame (7) are transversely provided with optical axis sections (12) in a penetrating way, the left side wall and the right side wall of the bottom frame and the top frame (7) are provided with first bearings (24), a fixed seat (16) is arranged in the bottom frame (2) and the top frame (7), a shaft hole (17) is transversely arranged in the middle of the fixed seat (16) in a penetrating way, the optical shaft section (12) is arranged in the shaft hole (17), both ends rotate with first bearing (24) about optical axis section (12) and are connected, both ends are connected with main shaft (4) about optical axis section (12).

2. The special bearing box for the contra-rotating axial flow fan according to claim 1, wherein: underframe (2) and top frame (7) preceding terminal surface integration are provided with connector (10), pass through first bolt (11) fixed connection between connector (10) on underframe (2) and top frame (7).

3. The special bearing box for the contra-rotating axial flow fan according to claim 2, wherein: the upper end face of the top frame (7) is connected with a plurality of lifting rings (6).

4. The special bearing box for the contra-rotating axial flow fan according to claim 3, wherein: side connection subassembly (8) are including connecting plate (15), connecting plate (15) are through a plurality of second bolts (5) and underframe (2) and top frame (7) left and right sides wall fixed connection, and the connecting plate (15) of the left and right sides is separated one end integration mutually and is provided with fixed plate (13), be provided with tight cover (14) in the middle of fixed plate (13), both ends stretch into about optical axis section (12) and set up in fixed plate (13) and cup joint with tight cover (14).

5. The special bearing box for the contra-rotating axial flow fan according to claim 4, wherein: the left end and the right end of the optical shaft section (12) are fixedly connected with the main shaft (4) in the fixing plate (13) through a coupler.

6. The special bearing box for the contra-rotating axial flow fan according to claim 5, wherein: outer mount pad (9) are including bottom plate (19), bottom plate (19) and base (3) up end fixed connection, bottom plate (19) upper end integration is provided with semicircle frame (18) down, semicircle frame (18) top is provided with last semicircle frame (22) down, last semicircle frame (22) and semicircle frame (18) centre of a circle department down install second bearing (23), and main shaft (4) of the left and right sides cup joint with second bearing (23) of the left and right sides.

7. The special bearing box for the contra-rotating axial flow fan according to claim 6, wherein: the upper semicircular frame (22) and the lower semicircular frame (18) are integrally provided with fixing heads (20) at the left end and the right end, and fixing bolts (21) are connected between the fixing heads (20) at the left side and the right side of the upper semicircular frame (22) and the lower semicircular frame (18).

8. The special bearing box for the contra-rotating axial flow fan according to claim 7, wherein: and an oil groove is formed in the inner side wall of the shaft hole (17).

Technical Field

The invention relates to the technical field of fan devices, in particular to a bearing box special for a disrotatory axial flow fan.

Background

The bearing box for blower fan is a part of box body for supporting and lubricating bearing. Bearing the axial and radial forces generated by the device during operation. In devices having rotating shafts, the shafts are typically supported for rotation by bearings, which are mounted in bearing housings filled with lubricating oil and lubricated during operation by the bearings. However, the existing bearing box is inconvenient to install and maintain, has low structural stability and low main shaft rotation accuracy, and has short service life, so that the bearing box special for the disrotatory axial flow fan is needed.

Disclosure of Invention

The invention aims to provide a special bearing box for a disrotatory axial flow fan, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a disrotatory formula axial fan special bearing box, includes the base, the fixed underframe that is provided with in the middle of the base up end, the underframe upper end is connected with a frame, rotate through the hinge between underframe and the frame and connect, side connection subassembly and outer mount pad are installed respectively to underframe and the frame left and right sides, underframe and frame transversely wear to establish the optical axis section, underframe and the frame left and right sides wall install first bearing, be provided with the fixing base in underframe and the frame that pushes up, transversely wear to be equipped with the shaft hole in the middle of the fixing base, the optical axis section sets up in the shaft hole, both ends rotate with first bearing about the optical axis section and are connected, both ends are connected with the main shaft about the optical axis section.

As a further scheme of the invention: the terminal surface integration is provided with the connector before underframe and the top frame, through first bolt fixed connection between the connector on underframe and the top frame.

As a further scheme of the invention: the upper end face of the top frame is connected with a plurality of lifting rings.

As a further scheme of the invention: the side connection subassembly includes the connecting plate, the connecting plate passes through a plurality of second bolts and underframe and top frame left and right sides wall fixed connection, and the connecting plate of the left and right sides is provided with the fixed plate from the integration of one end, be provided with the adapter sleeve in the middle of the fixed plate, both ends about the optical axis section stretch into the fixed plate and set up and cup joint with the adapter sleeve.

As a further scheme of the invention: the left end and the right end of the optical shaft section are fixedly connected with the main shaft in the fixing plate through a coupler.

As a further scheme of the invention: the outer mounting base comprises a bottom plate, the bottom plate is fixedly connected with the upper end face of the base, a lower semicircular frame is integrally arranged at the upper end of the bottom plate, an upper semicircular frame is arranged above the lower semicircular frame, a second bearing is arranged at the circle center of the upper semicircular frame and the circle center of the lower semicircular frame, and a main shaft on the left side and a main shaft on the right side are sleeved with the second bearings on the left side and the right side.

As a further scheme of the invention: the upper semicircular frame and the lower semicircular frame are integrally provided with fixing heads at the left end and the right end, and fixing bolts are connected between the fixing heads at the left side and the right side of the upper semicircular frame and the lower semicircular frame.

As a further scheme of the invention: the shaft hole inside wall is provided with the oil groove.

Compared with the prior art, the invention has the beneficial effects that: the invention provides a special bearing box for a disrotatory axial flow fan, which comprises a bottom frame and a top frame, wherein the bottom frame and the top frame are rotationally connected through a hinge to form a box body, fixed seats are arranged in the bottom frame and the top frame, a shaft hole is transversely arranged in the middle of the fixed seats in a penetrating manner, an optical axis section is arranged in the shaft hole, the left end and the right end of the optical axis section are rotationally connected with a first bearing, the left end and the right end of the optical axis section are connected with main shafts, the left side and the right side of the main shafts are connected with a side connecting component and an outer mounting seat, and the main shafts are connected with a second bearing in the outer mounting seat.

Drawings

FIG. 1 is a schematic structural diagram of a front view of a special bearing box for a contra-rotating axial flow fan;

FIG. 2 is a schematic top view of a bearing housing for a counter-rotating axial flow fan;

FIG. 3 is a schematic sectional view of a bearing housing for a counter-rotating axial flow fan;

fig. 4 is a schematic structural view of an outer mounting seat of a bearing box special for a counter-rotating axial flow fan.

In the figure: 1-hinge, 2-bottom frame, 3-base, 4-main shaft, 5-second bolt, 6-lifting ring, 7-top frame, 8-side connecting assembly, 9-outer mounting seat, 10-connecting head, 11-first bolt, 12-optical shaft section, 13-fixing plate, 14-fastening sleeve, 15-connecting plate, 16-fixing seat, 17-shaft hole, 18-lower semicircular frame, 19-bottom plate, 20-fixing head, 21-fixing bolt, 22-upper semicircular frame, 23-second bearing and 24-first bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a disrotatory formula axial fan special bearing box, includes base 3, the fixed underframe 2 that is provided with in the middle of the 3 up end of base, 2 upper ends of underframe are connected with a frame 7, rotate through hinge 1 between underframe 2 and the frame 7 and connect, underframe and the 7 left and right sides of frame install respectively side coupling assembling 8 and outer mount pad 9, underframe and frame 7 transversely wear to be equipped with optical axis section 12, underframe and the 7 left and right sides wall of frame install first bearing 24, be provided with fixing base 16 in underframe 2 and the frame 7, transversely wear to be equipped with shaft hole 17 in the middle of the fixing base 16, optical axis section 12 sets up in shaft hole 17, optical axis section 12 left and right sides both ends rotate with first bearing 24 and are connected, optical axis section 12 left and right sides both ends are connected with main shaft 4.

The bearing box includes underframe 2 and top frame 7, rotates through hinge 1 between underframe 2 and the top frame 7 and connects, constitutes the box, is provided with fixing base 16 in underframe 2 and the top frame 7, transversely wears to be equipped with shaft hole 17 in the middle of the fixing base 16, and optical axis section 12 sets up in shaft hole 17, and both ends rotate with first bearing 24 about optical axis section 12 and are connected, and optical axis section 12 is controlled both ends and is connected with main shaft 4, and left and right sides main shaft 4 is connected with side coupling assembling 8 and outer mount pad 9.

Underframe 2 and top frame 7 preceding terminal surface integration are provided with connector 10, through 11 fixed connection of first bolt between the connector 10 on underframe 2 and the top frame 7, through 11 connections of first bolt between underframe 2 and the top frame 7, the installation of conveniently opening and shutting.

The upper end face of the top frame 7 is connected with a plurality of hanging rings 6, so that the whole box body can be conveniently hoisted and moved.

The side connection assembly 8 comprises a connection plate 15, the connection plate 15 is fixedly connected with the left and right side walls of the bottom frame 2 and the top frame 7 through a plurality of second bolts 5, the connection plate 15 on the left and right sides is integrally provided with a fixing plate 13 away from one end, a fastening sleeve 14 is arranged in the middle of the fixing plate 13, the left and right ends of the optical shaft section 12 extend into the fixing plate 13 and are sleeved with the fastening sleeve 14, the left and right ends of the optical shaft section 12 are fixedly connected with the main shaft 4 in the fixing plate 13 through a coupler, the outer mounting seat 9 comprises a bottom plate 19, the bottom plate 19 is fixedly connected with the upper end face of the base 3, the upper end of the bottom plate 19 is integrally provided with a lower semicircular frame 18, an upper semicircular frame 22 is arranged above the lower semicircular frame 18, second bearings 23 are arranged at the circle centers of the upper semicircular frame 22 and the lower semicircular frame 18, the main shafts 4 on, the left end and the right end of the upper semicircular frame 22 and the lower semicircular frame 18 are integrally provided with fixing heads 20, and fixing bolts 21 are connected between the fixing heads 20 on the left side and the right side of the upper semicircular frame 22 and the lower semicircular frame 18.

The optical axis section 12 is rotatably connected with the left side wall and the right side wall of the bearing box through a first bearing 24, a fastening sleeve 14 arranged in the side connecting assembly 8 can play a role in the rotational stability of the optical axis section 12, the left end and the right end of the optical axis section 12 are fixedly connected with the main shaft 4 in the fixing plate 13 through a coupler, and the main shaft 4 is connected with a second bearing 23 in the outer mounting seat 9.

The shaft hole 17 inside wall is provided with the oil groove, improves the rotation lubricity of optical axis section 12, improves life.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.