阅读说明：本技术 一种风道挡板密封轴承组件 (Air duct baffle sealing bearing assembly ) 是由 不公告发明人 于 2021-06-28 设计创作，主要内容包括：本发明公开了一种风道挡板密封轴承组件,包括风道和风道挡板,所述风道的内壁紧密贴合有风道挡板,所述风道的左右两侧加工有凸形通孔,所述风道的内部安装有连接装置。该风道挡板密封轴承组件,通过螺纹杆、L形板、横杆、挡边、第一竖板和第一横板等结构之间的相互配合,可以通过螺纹杆将L形板固定在左侧的轴承座处,从而将左侧的轴承座固定,通过第二把手、第一斜齿轮、第二斜齿轮、第二横板、箱体、第二密封轴承和竖杆等结构之间的相互配合,可以通过第二把手带动竖杆进行转动,使竖杆通过第一斜齿轮带动第二斜齿轮进行转动,第二斜齿轮带动横杆进行转动,从而通过横杆对风道挡板进行控制。(The invention discloses an air duct baffle sealing bearing assembly which comprises an air duct and an air duct baffle, wherein the inner wall of the air duct is tightly attached with the air duct baffle, convex through holes are processed on the left side and the right side of the air duct, and a connecting device is installed inside the air duct. This air duct baffle seals bearing assembly, through the threaded rod, the L shaped plate, the horizontal pole, the flange, mutually support between first riser and the first diaphragm isotructure, can fix the L shaped plate in left bearing frame department through the threaded rod, thereby it is fixed with left bearing frame, through the second handle, first helical gear, the second diaphragm, the box, mutually support between second seal bearing and the montant isotructure, can drive the montant through the second handle and rotate, make the montant drive the second helical gear through first helical gear and rotate, the second helical gear drives the horizontal pole and rotates, thereby control the air duct baffle through the horizontal pole.)

1. The utility model provides an air duct baffle seal bearing subassembly, includes wind channel (1) and air duct baffle (2), the inner wall in wind channel (1) is closely laminated with air duct baffle (2), the left and right sides processing in wind channel (1) has convex through-hole, its characterized in that: a connecting device (3) is arranged in the air duct (1);

the connecting device (3) comprises a cross rod (301), a flange (302), a sealing ring (303), a first sealing bearing (304) and a bearing seat (305);

the outer wall of the cross rod (301) is in clearance fit with the inner wall of the convex through hole of the air duct (1), the rear end surface of the cross rod (301) is fixedly connected with the outer wall of the air duct baffle plate (2), a plurality of flanges (302) are fixedly connected with the outer wall of the middle of the cross rod (301), the rear end surfaces of the flanges (302) are fixedly connected with the front end surface of the air duct baffle (2), the outer walls of the left side and the right side of the cross rod (301) are provided with sealing rings (303), the inner walls of the sealing rings (303) are tightly attached to the outer wall of the cross rod (301), the outer wall of sealing washer (303) links to each other with the convex through-hole department inner wall of wind channel (1) is fixed, controls the outside of sealing washer (303) is equipped with bearing frame (305), controls the outer wall of bearing frame (305) and the convex through-hole department inner wall clearance fit of wind channel (1), controls the inside of bearing frame (305) is rotated with horizontal pole (301) through first sealed bearing (304) and is linked to each other.

2. The air duct baffle seal bearing assembly of claim 1, wherein: left side L shaped plate (6) are installed to the groove of bearing frame (305), the outer wall of L shaped plate (6) and left bearing frame (305) groove inner wall clearance fit, from top to bottom the outside of L shaped plate (6) is rotated through the pivot and is connected with first arc piece (7), from top to bottom the outside rigid coupling of first arc piece (7) has first diaphragm (8), and from top to bottom the right side of first diaphragm (8) links to each other with the outer wall of wind channel (1) is fixed.

3. The air duct baffle seal bearing assembly of claim 2, wherein: from top to bottom the inboard rigid coupling of first diaphragm (8) has first riser (9), and is from top to bottom the internal thread connection of first riser (9) has threaded rod (10), the right side outer wall of threaded rod (10) closely laminates with the outer wall of L shaped plate (6), the left side rigid coupling of threaded rod (10) has the first in command (11).

4. The air duct baffle seal bearing assembly of claim 1, wherein: a rotating device (4) is arranged on the right side of the air duct (1);

the rotating device (4) comprises a second transverse plate (401), a box body (402), a second sealing bearing (403) and a vertical rod (404);

the left side of second diaphragm (401) links to each other with the outer wall of wind channel (1) is fixed, the top processing of second diaphragm (401) has the spout, box (402) are installed to the spout department of second diaphragm (401), the below outer wall of box (402) and the spout department inner wall clearance fit of second diaphragm (401), the left side processing of box (402) has the through-hole, the through-hole department inner wall of box (402) and the outer wall clearance fit of horizontal pole (301), the left side outer wall of box (402) closely laminates with the outer wall of left bearing frame (305), the inside of box (402) is rotated through second sealed bearing (403) and is connected with montant (404).

5. The air duct baffle seal bearing assembly of claim 4, wherein: the middle outer wall rigid coupling of montant (404) has first helical gear (12), the left side meshing of first helical gear (12) is connected with second helical gear (14), there is horizontal pole (301) fixed linking to each other on the left side of second helical gear (14), the top of first helical gear (12) is equipped with second handle (13), the lower surface and the montant (404) fixed linking to each other of second handle (13).

6. The air duct baffle seal bearing assembly of claim 5, wherein: the middle point of the first bevel gear (12) and the middle point of the vertical rod (404) are on the same vertical line.

7. The air duct baffle seal bearing assembly of claim 4, wherein: a fixing device (5) is arranged above the second transverse plate (401);

the fixing device (5) comprises a second vertical plate (501), a hydraulic cylinder (502), a connecting rod (503), a second arc-shaped block (504) and a trapezoidal baffle (505);

the lower surface and the second diaphragm (401) of second riser (501) are fixed continuous, the inside rigid coupling in top of second riser (501) has pneumatic cylinder (502), connecting rod (503) are installed in the left side of pneumatic cylinder (502), the below and below of connecting rod (503) is rotated through the pivot respectively and is connected with trapezoidal baffle (505) and second arc piece (504), the left side outer wall of trapezoidal baffle (505) closely laminates with the outer wall of box (402), the lower surface and the second diaphragm (401) of second arc piece (504) are fixed continuous.

8. The air duct baffle seal bearing assembly of claim 7, wherein: the second vertical plate (501) and the second transverse plate (401) are arranged vertically.

Technical Field

The invention relates to the technical field of air duct baffle plate sealing bearings, in particular to an air duct baffle plate sealing bearing assembly.

Background

The air duct baffle is used for a smoke and air pipeline of a power plant to serve as a medium intercepting function, has full-opening and full-closing functions, enables a medium to be repeatedly circulated or turned off in the pipeline, is not generally used as a conditioning door, has electric, pneumatic, manual and other methods for driving the air duct baffle, and is generally connected with a connecting rod between the air duct baffle and an air duct by a sealing bearing.

Disclosure of Invention

The invention aims to provide a sealing bearing assembly of an air duct baffle plate, which aims to solve the problems of single structure and low stability of the sealing bearing in the prior art in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an air duct baffle plate seal bearing assembly comprises an air duct and an air duct baffle plate, wherein the inner wall of the air duct is tightly attached with the air duct baffle plate, convex through holes are processed on the left side and the right side of the air duct, and a connecting device is installed inside the air duct;

the connecting device comprises a cross rod, a flange, a sealing ring, a first sealing bearing and a bearing seat;

the outer wall of horizontal pole and the convex through-hole department inner wall clearance fit in wind channel, the rear end face of horizontal pole links to each other with the outer wall of wind channel baffle is fixed, the middle outer wall rigid coupling of horizontal pole has a plurality of flanges, the rear end face of flange links to each other with the preceding terminal surface of wind channel baffle is fixed, the sealing washer is installed to the left and right sides outer wall of horizontal pole, the inner wall of sealing washer closely laminates with the outer wall of horizontal pole, the outer wall of sealing washer links to each other with the convex through-hole department inner wall of wind channel is fixed, controls the outside of sealing washer is equipped with the bearing frame, controls the outer wall of bearing frame and the convex through-hole department inner wall clearance fit in wind channel control the inside of bearing frame rotates through first sealed bearing and links to each other with the horizontal pole.

Preferably, the left side the L shaped plate is installed to the groove of bearing frame, the outer wall of L shaped plate and left bearing frame groove inner wall clearance fit, from top to bottom the outside of L shaped plate is rotated through the pivot and is connected with first arc piece, and from top to bottom the outside rigid coupling of first arc piece has first diaphragm, and from top to bottom the right side of first diaphragm links to each other with the outer wall in wind channel is fixed, can fix left bearing frame through the L shaped plate like this.

Preferably, from top to bottom the inboard rigid coupling of first diaphragm has a riser, and from top to bottom the internal thread of riser is connected with the threaded rod, the right side outer wall of threaded rod closely laminates with the outer wall of L shaped plate, the left side rigid coupling of threaded rod has the first in command, can fix the L shaped plate in left bearing frame department through the threaded rod like this.

Preferably, a rotating device is installed on the right side of the air duct;

the rotating device comprises a second transverse plate, a box body, a second sealing bearing and a vertical rod;

the left side of second diaphragm links to each other with the outer wall of wind channel is fixed, the top processing of second diaphragm has the spout, the spout department of second diaphragm installs the box, the below outer wall of box and the spout department inner wall clearance fit of second diaphragm, the left side processing of box has the through-hole, the through-hole department inner wall of box and the outer wall clearance fit of horizontal pole, the left side outer wall of box closely laminates with the outer wall of left bearing frame, the inside of box is rotated through the sealed bearing of second and is connected with the montant.

Preferably, the middle outer wall rigid coupling of montant has first helical gear, the left side meshing of first helical gear is connected with the second helical gear, there is the horizontal pole fixed linking to each other in the left side of second helical gear, the top of first helical gear is equipped with the second handle, the lower surface and the montant fixed linking to each other of second handle, the montant can drive first helical gear through the second helical gear like this and rotate to first helical gear drives the horizontal pole and rotates.

Preferably, the middle point of the first bevel gear and the middle point of the vertical rod are on the same vertical line, so that the vertical rod can rotate more stably.

Preferably, a fixing device is arranged above the second transverse plate;

the fixing device comprises a second vertical plate, a hydraulic cylinder, a connecting rod, a second arc-shaped block and a trapezoidal baffle;

the lower surface of second riser links to each other with the second diaphragm is fixed, the inside rigid coupling in top of second riser has the pneumatic cylinder, the connecting rod is installed in the left side of pneumatic cylinder, the top and bottom of connecting rod rotates through the pivot respectively and is connected with trapezoidal baffle and second arc piece, the left side outer wall of trapezoidal baffle closely laminates with the outer wall of box, the lower surface and the second diaphragm of second arc piece are fixed continuously.

Preferably, the second vertical plate and the second transverse plate are vertically arranged, so that the second vertical plate is more stable.

Compared with the prior art, the invention has the beneficial effects that: the air duct baffle plate sealing bearing assembly can fix the L-shaped plate at the left bearing seat through the threaded rod by mutually matching structures such as the threaded rod, the L-shaped plate, the cross rod, the flange, the first vertical plate and the first transverse plate, so that the left bearing seat is fixed;

through the mutual matching of the structures such as the second handle, the first bevel gear, the second transverse plate, the box body, the second sealing bearing, the vertical rod and the like, the vertical rod can be driven by the second handle to rotate, so that the vertical rod drives the second bevel gear to rotate through the first bevel gear, and the second bevel gear drives the transverse rod to rotate, so that the air duct baffle is controlled through the transverse rod;

through the mutual matching of structures such as the air duct, the air duct baffle, the cross rod, the bearing seat, the first sealing bearing, the sealing ring and the like, the cross rod can rotate at the bearing seat through the first sealing bearing, and meanwhile, the sealing performance at the cross rod can be improved through the sealing ring;

through mutually supporting between second riser, pneumatic cylinder, connecting rod, second arc piece and the trapezoidal baffle isotructure, can drive the connecting rod through the pneumatic cylinder and rotate to the left side, make the connecting rod drive trapezoidal baffle and remove, trapezoidal baffle drives the box and removes to the left side to can support tightly fixedly through the bearing frame on box with the right side.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 2 at the location of the first sealed bearing, cross bar and sealing ring;

FIG. 4 is a schematic view of the L-shaped plate, threaded rod and first handle of FIG. 2;

FIG. 5 is a schematic view of the first bevel gear, the second bevel gear and the bearing housing of FIG. 2;

fig. 6 is a schematic view of the structure of fig. 2 at the tie rod, the second riser, and the hydraulic cylinder.

In the figure: 1. air duct, 2, air duct baffle, 3, connecting device, 301, the horizontal pole, 302, the flange, 303, the sealing washer, 304, first sealed bearing, 305, the bearing frame, 4, rotating device, 401, the second diaphragm, 402, the box, 403, the second sealed bearing, 404, the montant, 5, fixing device, 501, the second riser, 502, the pneumatic cylinder, 503, the connecting rod, 504, the second arc piece, 505, trapezoidal baffle, 6, the L-shaped board, 7, the first arc piece, 8, the first diaphragm, 9, the first riser, 10, the threaded rod, 11, the first in command, 12, the first helical gear, 13, the second in command, 14, the second helical gear.

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. 1-6, the present invention provides a technical solution: an air duct baffle sealing bearing assembly comprises an air duct 1 and an air duct baffle 2, wherein the inner wall of the air duct 1 is tightly attached with the air duct baffle 2, convex through holes are processed at the left side and the right side of the air duct 1, a connecting device 3 is installed inside the air duct 1, the connecting device 3 comprises a cross rod 301, a flange 302, a sealing ring 303, a first sealing bearing 304 and a bearing seat 305, the outer wall of the cross rod 301 is in clearance fit with the inner wall at the convex through hole of the air duct 1, the rear end face of the cross rod 301 is fixedly connected with the outer wall of the air duct baffle 2, the air duct baffle 2 can be driven to rotate by the cross rod 301, 3 flanges 302 are fixedly connected with the middle outer wall of the cross rod 301, the rear end face of the flange 302 is fixedly connected with the front end face of the air duct baffle 2, the sealing rings 303 are installed on the outer walls at the left side and the right side of the cross rod 301, the inner wall of the sealing ring 303 is tightly attached with the outer wall of the cross rod 301, the outer wall of the sealing ring 303 is fixedly connected with the inner wall at the convex through hole of the air duct 1, the sealing performance of the cross rod 301 can be improved through the sealing ring 303, the outer sides of the left and right sealing rings 303 are provided with bearing seats 305, the outer walls of the left and right bearing seats 305 are in clearance fit with the inner wall of the convex through hole of the air duct 1, the inner parts of the left and right bearing seats 305 are rotationally connected with the cross rod 301 through first sealing bearings 304, the cross rod 301 can rotate at the bearing seats 305 through the first sealing bearings 304, the left side of the left bearing seat 305 is processed with 2 grooves, the groove of the left bearing seat 305 is provided with an L-shaped plate 6, the outer wall of the L-shaped plate 6 is in clearance fit with the inner wall of the groove of the left bearing seat 305, the left bearing seat 305 can be fixed through the L-shaped plate 6, the outer sides of the upper and lower L-shaped plates 6 are rotationally connected with first arc-shaped blocks 7 through rotating shafts, the outer sides of the upper and lower first arc-shaped blocks 7 are fixedly connected with first transverse plates 8, the right sides of the upper and lower first transverse plates 8 are fixedly connected with the outer wall of the air duct 1, a first vertical plate 9 is fixedly connected to the inner sides of the upper and lower first transverse plates 8, a threaded rod 10 is connected to the inner threads of the upper and lower first vertical plates 9, the threaded rod 10 can move through the first vertical plate 9, the outer wall of the right side of the threaded rod 10 is tightly attached to the outer wall of the L-shaped plate 6, a first handle 11 is fixedly connected to the left side of the threaded rod 10, and the threaded rod 10 can be driven to rotate through the first handle 11;

the rotating device 4 is installed on the right side of the air duct 1, the rotating device 4 comprises a second transverse plate 401, a box body 402, a second sealing bearing 403 and a vertical rod 404, the left side of the second transverse plate 401 is fixedly connected with the outer wall of the air duct 1, a sliding groove is processed above the second transverse plate 401, the box body 402 is installed at the sliding groove of the second transverse plate 401, the outer wall of the lower part of the box body 402 is in clearance fit with the inner wall of the sliding groove of the second transverse plate 401, the box body 402 can move at the sliding groove of the second transverse plate 401, a through hole is processed at the left side of the box body 402, the inner wall of the through hole of the box body 402 is in clearance fit with the outer wall of the transverse rod 301, the outer wall of the left side of the box body 402 is closely attached to the outer wall of the bearing seat 305 at the left side, the bearing seat 305 at the right side can be fixed through the box body 402, the inner part of the box body 402 is rotatably connected with the vertical rod 404 through the second sealing bearing 403, the middle outer wall of the vertical rod 404 is fixedly connected with a first helical gear 12, the left side of the first helical gear 14, the vertical rod 404 can drive the second bevel gear 14 to rotate through the first bevel gear 12, the cross rod 301 is fixedly connected to the left side of the second bevel gear 14, the second handle 13 is arranged above the first bevel gear 12, the lower surface of the second handle 13 is fixedly connected with the vertical rod 404, and the middle point of the first bevel gear 12 and the middle point of the vertical rod 404 are on the same vertical line.

Fixing device 5 is installed to second diaphragm 401's top, fixing device 5 includes second riser 501, pneumatic cylinder 502, connecting rod 503, second arc piece 504 and trapezoidal baffle 505, the lower surface of second riser 501 and second diaphragm 401 are fixed and link to each other, the inside rigid coupling in top of second riser 501 has pneumatic cylinder 502, the model of pneumatic cylinder 502 is MOB, connecting rod 503 is installed on the left side of pneumatic cylinder 502, can drive connecting rod 503 through pneumatic cylinder 502 and rotate, the top and bottom of connecting rod 503 rotate through the pivot respectively and are connected with trapezoidal baffle 505 and second arc piece 504, the left side outer wall of trapezoidal baffle 505 is closely laminated with the outer wall of box 402, can be fixed with box 402 through trapezoidal plate baffle 505, the lower surface of second arc piece 504 and second diaphragm 401 are fixed and link to each other, second riser 501 and second diaphragm 401 are the perpendicular setting.

In this embodiment, when an operator needs to use the air duct baffle sealing bearing assembly, firstly, the operator rotates the first handle 11, the first handle 11 drives the threaded rod 10 to rotate, the threaded rod 10 moves to the right through the first vertical plate 9, the threaded rod 10 drives the L-shaped plate 6 to rotate to the right, and the right side of the L-shaped plate 6 enters the groove of the left bearing seat 305, so as to fix the left bearing seat 305, and simultaneously, the external power supply of the hydraulic cylinder 502 is switched on, the hydraulic cylinder 502 is started, the hydraulic cylinder 502 drives the connecting rod 503 to rotate to the left, the connecting rod 503 drives the trapezoidal baffle 505 to move, so that the trapezoidal baffle 505 drives the box 402 to move to the left, and the box 402 tightly supports and fixes the right bearing seat 305, thereby achieving the purpose of improving the stability of the first sealing shaft 304 inside the bearing seat 305, the second handle 13 is rotated, the vertical rod 404 is driven to rotate by the second handle 13, the vertical rod 404 drives the first bevel gear 12 to rotate, so that the first bevel gear 12 drives the second bevel gear 14 to rotate, the second bevel gear 14 drives the cross rod 301 to rotate, and the air duct baffle 2 can be controlled through the cross rod 301.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.