CN209959894U

CN209959894U - Improved generation high stability flap door

Info

Publication number: CN209959894U
Application number: CN201920780073.5U
Authority: CN
Inventors: 彭维奇; 葛高勇
Original assignee: Lianyungang Huaneng Electric Power Auxiliary Machine Co Ltd
Current assignee: Lianyungang Huaneng Electric Power Auxiliary Machine Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-01-17
Anticipated expiration: 2029-05-28

Abstract

The utility model belongs to the technical field of medium flow regulation such as wind powder, flue gas is used, specifically disclose an improved generation high stability flap gate, constitute by circular frame, first circular flange board, the circular flange board of second, driving motor seat, driving motor, first conical bearing seat, second conical bearing seat, first bearing, second bearing and seal assembly. The utility model relates to an improved generation high stability flap door's beneficial effect lies in: the turnover plate door is arranged in hot air pipelines such as an inlet of a coal mill, an inlet of an air preheater, an outlet of a primary fan and the like, can realize accurate, stable and efficient opening/closing actions, and improves the production efficiency and the safety factor of production operation.

Description

Improved generation high stability flap door

Technical Field

The utility model belongs to the technical field of medium flow regulation such as wind powder, flue gas is used, concretely relates to improved generation high stability flap gate.

Background

The damper door is used as the cut-off medium in the smoke pipe and air duct in power plant or other industries, the opening and closing angle of the damper door is 90 ℃, and the damper door has two functions of full opening and full closing, so that the medium in a certain pipeline of the system is completely circulated or closed.

The shape of the door can be divided into a square closing baffle door and a round closing baffle door; the driving mode can be divided into a manual closing baffle door, an electric closing baffle door and a pneumatic closing baffle door; the manufacturing process can be divided into a casting type closing baffle door and a welding type closing baffle door; the material can be divided into a cast iron closing baffle door, a carbon steel closing baffle door, a stainless steel closing baffle door and a nickel-based alloy closing baffle door according to the material.

In the production control of hot air pipelines such as an inlet of a coal mill, an inlet of an air preheater, an outlet of a primary fan and the like, a baffle door is required to complete accurate, stable and efficient opening/closing actions so as to realize safe production operation. The existing baffle door is easy to break and deform after being used for a long time (transmission structure), and cannot finish the opening/closing actions accurately, stably and efficiently, so that the potential safety hazards of production operation are increased, meanwhile, the baffle door is unreasonable in structural design, inconvenient to assemble, disassemble and maintain, high in maintenance cost and the like, and the problem is urgently solved at present.

Therefore, based on the above problem, the utility model provides an improved generation high stability flap door.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing an improved generation high stability flap door, its overall structure reasonable in design, be convenient for assemble, dismantle and maintain, the flap door is installed in hot-blast pipelines such as the entry of coal pulverizer, air preheater entry, primary air fan export, can realize accurate, stable and efficient opening/closing action, has improved the factor of safety of production efficiency and production operation.

The technical scheme is as follows: the utility model provides an improved generation high stability flap gate, by circular frame, and set up the first circular flange board on circular frame, the second circular flange board, and set up on circular frame and lie in the first circular flange board, the driving motor cabinet between the second circular flange board, and set up the driving motor on the driving motor cabinet, and the symmetry sets up the first conical bearing seat, the second conical bearing seat at circular frame both sides outer wall, and set up the first bearing in the first conical bearing seat, the second bearing in the second conical bearing seat respectively, and set up at circular frame and with the first bearing, the seal assembly that the second bearing cooperatees and uses constitutes; the sealing assembly comprises a rotating shaft, a round sealing plate, a plurality of supporting plates and a positioning sleeve, wherein the two ends of the rotating shaft respectively penetrate through the round frame, the first bearing and the second bearing, the round sealing plate is arranged on the rotating shaft, the plurality of supporting plates are arranged in the round sealing plate, the positioning sleeve is connected with the rotating shaft and is fixed through a set of locking nuts, the shaft coupling is connected with the driving motor and the rotating shaft, and a set of shaft limiting adjusting nuts are arranged on the rotating shaft and are matched with the first conical bearing seat and the second conical bearing seat for use.

This technical scheme, improved generation high stability flap door still includes a plurality of bar deep floor that sets up at circular closing plate outer wall.

This technical scheme, improved generation high stability flap gate still including set up at circular frame one side outer wall and with the supplementary bearing diagonal of a plurality of L shape that the second toper bearing frame cooperatees and uses, and be connected supplementary circular support cover with the supplementary bearing diagonal of a plurality of L shape one end, and set up the supplementary support bearing in supplementary circular support cover, and set up in the pivot and be located the supplementary spacing adjusting nut between second toper bearing frame, the supplementary circular support cover.

This technical scheme, improved generation high stability flap door still includes the semicircular groove who sets up at circular frame inner wall, and sets up in circular closing plate outer lane and the flexible sealing washer that cooperatees and use with semicircular groove, and wherein, flexible sealing washer and circular closing plate adopt gluing to make.

Compared with the prior art, the utility model relates to an improved generation high stability flap door's beneficial effect lies in: the turnover plate door is arranged in hot air pipelines such as an inlet of a coal mill, an inlet of an air preheater, an outlet of a primary fan and the like, can realize accurate, stable and efficient opening/closing actions, and improves the production efficiency and the safety factor of production operation.

Drawings

Fig. 1 is a schematic front view of an improved high-stability flap gate of the present invention;

fig. 2 is a schematic structural view of a side view of an improved high stability flap gate of the present invention;

fig. 3 is a schematic side view of the circular sealing plate, the plurality of supporting plates and the positioning sleeve of the improved high-stability flap gate of the present invention;

fig. 4 is a schematic structural diagram of the semicircular groove and the flexible sealing ring of the improved high-stability flap gate of the present invention.

Detailed Description

The invention will be further elucidated with reference to the drawings and the specific embodiments.

Examples

An improved high-stability flap gate as shown in fig. 1, fig. 2, fig. 3 and fig. 4 is composed of a circular frame 1, a first circular flange plate 2 and a second circular flange plate 3 which are arranged on the circular frame 1, a driving motor base 4 which is arranged on the circular frame 1 and is positioned between the first circular flange plate 2 and the second circular flange plate 3, a driving motor 5 which is arranged on the driving motor base 4, a first conical bearing seat 6 and a second conical bearing seat 7 which are symmetrically arranged on the outer walls of two sides of the circular frame 1, a first bearing 8 and a second bearing 9 which are respectively arranged in the first conical bearing seat 6 and the second conical bearing seat 7, and a sealing component which is arranged on the circular frame 1 and is matched with the first bearing 8 and the second bearing 9; the sealing assembly comprises a rotating shaft 10, a circular sealing plate 11, a plurality of supporting plates 12 and a positioning sleeve 13, wherein the two ends of the rotating shaft 10 penetrate through the circular frame 1, the first bearing 8 and the second bearing 9 respectively, the circular sealing plate 11 is arranged on the rotating shaft 10, the supporting plates 12 are arranged in the circular sealing plate 11, the positioning sleeve 13 is connected with the rotating shaft 10 and is fixed through a set of locking nuts 14, the shaft coupling 20 is connected with the driving motor 5 and the rotating shaft 10, and a set of shaft limiting adjusting nuts 16 are arranged on the rotating shaft 10 and are matched with the first conical bearing seat 6 and the second conical bearing seat 7 for use.

Further preferably, the improved high-stability flap gate further comprises a plurality of strip-shaped reinforcing rib plates 15 arranged on the outer wall of the circular sealing plate 11, the strength of the circular sealing plate 11 is improved, the safety of sealing operation is ensured, the improved high-stability flap gate further comprises a plurality of L-shaped auxiliary inclined supporting plates 17 arranged on the outer wall of one side of the circular frame 1 and matched with the second conical bearing seat 7 for use, auxiliary circular supporting sleeves 18 connected with one ends of the plurality of L-shaped auxiliary inclined supporting plates 17, auxiliary supporting bearings 19 arranged in the auxiliary circular supporting sleeves 18, auxiliary limit adjusting nuts 23 arranged on the rotating shaft 10 and positioned between the second conical bearing seat 7 and the auxiliary circular supporting sleeves 18, and the driving motor 5 is improved, the shaft coupling 20 and the like control the stability of the rotating operation of the rotating shaft 10 and the circular sealing plate 11, and accurate sealing control is realized.

This improved generation high stability of structure turns over board door still includes the semicircular groove 21 that sets up at 1 inner wall of circular frame, and sets up in circular closing plate 11 outer lane and the flexible sealing ring 22 that cooperatees and use with semicircular groove 21, and wherein, flexible sealing ring 22 adopts the gluing to make with circular closing plate 11, guarantees to have accurate and stable leakproofness after the sealing.

The improved generation high stability flap gate of this structure specifically is for driving shaft coupling 20 through control driving motor 5 and drive the rotation of pivot 10, and the last circular closing plate 11 of pivot 10 rotates and realizes sealed action can (embodiment one), and the semicircular groove 21 of circular closing plate 11 outer lane flexible seal ring 22 card circular frame 1 inner wall accomplishes supplementary sealed accurate action (embodiment two).

The improved high-stability flap gate with the structure has the highest working temperature of less than 420 ℃, the working pressure of less than or equal to 20kPa, and the circulating medium of cold air and hot air.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an improved generation high stability flap door which characterized in that: the device comprises a circular frame (1), a first circular flange plate (2) and a second circular flange plate (3) which are arranged on the circular frame (1), a driving motor base (4) which is arranged on the circular frame (1) and is positioned between the first circular flange plate (2) and the second circular flange plate (3), a driving motor (5) which is arranged on the driving motor base (4), a first conical bearing seat (6) and a second conical bearing seat (7) which are symmetrically arranged on the outer walls of two sides of the circular frame (1), a first bearing (8) and a second bearing (9) which are respectively arranged in the first conical bearing seat (6) and the second conical bearing seat (7), and a sealing component which is arranged on the circular frame (1) and is matched with the first bearing (8) and the second bearing (9) for use; the sealing assembly comprises a rotating shaft (10) with two ends respectively penetrating through a circular frame (1), a first bearing (8) and a second bearing (9), a circular sealing plate (11) arranged on the rotating shaft (10), a plurality of supporting plates (12) arranged in the circular sealing plate (11), and a positioning sleeve (13) connected with the plurality of supporting plates (12), wherein the positioning sleeve (13) is connected with the rotating shaft (10) and fixed through a set of locking nuts (14), a coupler (20) connected with a driving motor (5) and the rotating shaft (10), and a set of shaft limiting adjusting nuts (16) arranged on the rotating shaft (10) and matched with the first conical bearing seat (6) and the second conical bearing seat (7) for use.

2. The improved high stability flap door of claim 1 wherein: the improved high-stability flap gate further comprises a plurality of strip-shaped reinforcing rib plates (15) arranged on the outer wall of the circular sealing plate (11).

3. An improved high stability flap door according to claim 1 or 2 wherein: improved generation high stability flap gate still including set up at circular frame (1) one side outer wall and with supplementary bearing housing of second toper (7) a plurality of L shape supplementary bearing diagonal board (17) that cooperate and use, and with a plurality of L shape supplementary bearing diagonal board (17) one end connection supplementary circular support cover (18), and set up supplementary support bearing (19) in supplementary circular support cover (18), and set up on pivot (10) and be located second toper bearing housing (7), supplementary spacing adjusting nut (23) between the circular support cover (18).

4. The improved high stability flap door of claim 1 wherein: the improved high-stability flap gate further comprises a semicircular groove (21) formed in the inner wall of the circular frame (1) and a flexible sealing ring (22) arranged on the outer ring of the circular sealing plate (11) and matched with the semicircular groove (21) for use.