CN217576967U

CN217576967U - Drag for sediment built-in guide pulley with drainage structures

Info

Publication number: CN217576967U
Application number: CN202221045545.0U
Authority: CN
Inventors: 卢瑞永; 刘�东
Original assignee: Qingdao Mengjia Machinery Manufacturing Co ltd
Current assignee: Qingdao Mengjia Machinery Manufacturing Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-10-14
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a drag for sediment built-in guide pulley with drainage structures, including the bearing frame of installing outer end gland and inner gland, the inner chamber of bearing frame rotates through the bearing and is provided with the pivot just the one end of pivot is located the outside and the guide pulley of bearing frame are connected, the right-hand member of bearing frame is fixed with the closing plate, the closing plate with be provided with sealed cavity just between the outer end gland sealed cavity with fix drain pipe on the bearing frame communicates with each other, the outer end gland with the closing plate with all be provided with air-tight bag between the terminal surface of bearing frame, air-tight bag's inner chamber bonds with the last lower extreme sealing of support frame and collar respectively. A drag for sediment built-in guide pulley with drainage structures, all be provided with between the terminal surface of outer end gland and closing plate and bearing frame and can carry out the gas tightness change in the deep water and inside be provided with the air bag that has support frame and support ring, can improve its waterproof nature.

Description

Drag for sediment built-in guide pulley with drainage structures

Technical Field

The utility model relates to an inner guide wheel technical field, in particular to drag for sediment built-in pulley with drainage structures.

Background

The sealed water seal + rubber oil blanket that mostly adopts of current external interior guide pulley, this kind of sealed form is very poor in high concentration ash water effect, in gasifier scraper blade dragveyer use, because the guide pulley operates in the sewage of lime-ash for a long time, operational environment is abominable, in the lime-ash water easily gets into the guide pulley, the lime-ash granule gets into the dead bearing of card in the bearing raceway, cause the pinch roller not to rotate, the not rotatory back chain of pinch roller becomes sliding friction, interior guide pulley and chain can become sliding friction by original rolling friction, power increases, the chain wearing and tearing are accelerated, lead to the inner guide pulley to damage, the wearing and tearing of chain and scraper blade hinge have been aggravated, the life of chain and scraper blade hinge has been shortened.

The guide wheel in the slag remover with the drainage structure is provided for solving the problem that the sealing performance between the outer end pressing cover of the guide wheel in the slag remover with the drainage structure and the sealing plate and the bearing seat is poor, and sewage is easy to permeate into the inner cavity of the bearing seat during operation in a deep water area.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a drag for sediment built-in pulley with drainage structures can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a drag for sediment built-in guide pulley with drainage structures, is including the bearing frame of installing outer end gland and inner gland, the inner chamber of bearing frame rotates through the bearing and is provided with the pivot just the one end of pivot is located the outside and the guide pulley of bearing frame are connected, the right-hand member of bearing frame is fixed with the closing plate, the closing plate with be equipped with mechanical seal between the guide pulley, the closing plate with be provided with just sealed cavity between the outer end gland sealed cavity with fix drain pipe on the bearing frame communicates with each other, the outer end gland with the closing plate with all be provided with the sealed gasbag that can carry out the gas tightness change in the deep water between the terminal surface of bearing frame, sealed gasbag's inner chamber passes through the bonding agent and bonds with the upper and lower extreme sealing of support frame and collar respectively.

Preferably, the sealing airbag comprises an annular airbag, an outwardly convex bulge is arranged on the outer wall of the annular airbag, a plurality of groups of through holes are formed in the annular airbag, and an air valve is arranged on the bulge.

Preferably, the support frame includes that two sets of support rings that are the symmetry and set up, and is two sets of through hollow post fixed connection between the support ring, two sets of the support ring with all be provided with on the corresponding position of hollow post with the communicating mounting hole of hollow post inner chamber, top the upper end and the below of support ring the lower extreme of support ring all through gluing agent with the inner wall of annular gasbag is sealed bonds, the through hole that is equipped with on the annular gasbag be located this bonding region intra-area and with the mounting hole corresponds.

Preferably, the two groups of support rings are fixedly connected with the outer wall of the mounting ring through a plurality of groups of connecting columns.

Preferably, the outer surface of the annular air bag is provided with an anticorrosive coating.

Preferably, the inner cavity of the annular air bag is provided with a glass fiber layer.

Preferably, one side of the bearing seat close to the outer end gland is provided with a drain pipe communicated with the inner cavity of the bearing seat.

Compared with the prior art, the invention has the following beneficial effects:

the utility model discloses in, all be provided with between the terminal surface of outer end gland and closing plate and bearing frame and can carry out the air tightness change and the inside sealed airbag who is provided with support frame and support ring in the deep water, when this device carries out the operation in the deep water district, thereby make the inside air of the interior sunken compressed air bag of bellying through the pressure effect of water, further strengthen the sealed effect of annular gasbag, improve its waterproof nature.

Drawings

FIG. 1 is a front sectional view of a guide wheel in the slag extractor with a drainage structure of the present invention;

FIG. 2 is an overall structure diagram of an annular air bag of an inner guide wheel of the slag remover with a drainage structure;

FIG. 3 is an internal structure view of the annular air bag of the inner guide wheel of the slag remover with a drainage structure;

fig. 4 is a partial sectional view of the annular air bag of the inner guide wheel of the slag remover with a drainage structure.

In the figure: 1. a bearing seat; 2. a rotating shaft; 3. an outer end gland bush; 4. sealing plates; 5. sealing the air bag; 51. An annular air bag; 52. a boss portion; 53. an air valve; 6. a support frame; 61. a support ring; 62. a hollow column; 63. mounting holes; 7. a mounting ring; 8. connecting columns; 9. a bearing; 10. a drain pipe; 11. an inner end gland bush; 12. a mechanical seal.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element 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 invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a guide wheel in slag extractor with drainage structure, including the bearing frame 1 that installs outer end gland 3 and inner end gland 11, the inner chamber of bearing frame 1 is provided with pivot 2 through bearing 9 rotation and the one end of pivot 2 is located the outside of bearing frame 1 and is connected with the guide wheel, the right-hand member of bearing frame 1 is fixed with closing plate 4, be equipped with mechanical seal 12 between closing plate 4 and the guide wheel, be provided with sealed cavity and communicate with each other with drain pipe 10 fixed on bearing frame 1 between closing plate 4 and outer end gland 3, all be provided with between the terminal surface of outer end gland 3 and closing plate 4 and bearing frame 1 and carry out the sealed gasbag 5 that the gas tightness changes in the deep water, the inner chamber of sealed gasbag 5 passes through the upper and lower extreme seal bonding of gluing agent respectively with support frame 6 and collar 7.

The sealing air bag 5 comprises an annular air bag 51, an outward convex bulge 52 is arranged on the outer wall of the annular air bag 51, a plurality of groups of through holes are formed in the annular air bag 51, an air valve 53 is arranged on the bulge 52, the support frame 6 comprises two groups of support rings 61 which are symmetrically arranged, the two groups of support rings 61 are fixedly connected through a hollow column 62, mounting holes 63 communicated with the inner cavity of the hollow column 62 are formed in the positions, corresponding to the hollow column 62, of the two groups of support rings 61, the upper end of the upper support ring 61 and the lower end of the lower support ring 61 are hermetically bonded with the inner wall of the annular air bag 51 through adhesives, the through holes formed in the annular air bag 51 are located in the bonding region and correspond to the mounting holes 63, the sealing air bag 5 and the support frame 6 can be in threaded connection with the bearing seat 1 through bolts, the outer end pressing cover 3 and the sealing plate are respectively sealed with the side end of the bearing seat 1, then air is filled into the annular air bag 51 to form secondary sealing, and when the device works in a deep water area, the pressure effect of the annular air bag 51 is achieved, the internal air sealing effect of the annular air bag is further enhanced, and the waterproofness of the annular air bag is improved.

Two sets of support rings 61 are all through a plurality of spliced poles 8 and the outer wall fixed connection of collar 7.

The outer surface of the annular air bag 51 is provided with an anticorrosive coating, so that the annular air bag 51 can be prevented from being corroded to damage and air leakage.

The inner cavity of the annular balloon 51 is provided with a glass fiber layer to prevent the annular balloon from being punctured by laceration.

One side of the bearing seat 1 close to the outer end gland 3 is provided with a drain pipe 10 communicated with the inner cavity of the bearing seat 1, and water entering between the outer end gland 3 and the left end of the bearing seat 1 can be drained through the drain pipe 10.

It should be noted that, the utility model relates to a drag for sediment built-in pulley with drainage structures, all be provided with between the terminal surface of outer end gland 3 and closing plate 4 and bearing frame 1 and carry out the gas tightness change and inside sealed gasbag 5 that is provided with support frame and support ring in the deep water, make outer end gland 3 and closing plate form sealedly with the side of bearing frame 1 respectively at this sealed

gasbag

5 and 6 accessible bolts of support frame and the 1 threaded connection of bearing frame, it forms the secondary seal to aerify in the annular gasbag 51 again, when this device carries out the operation in the deep water district, thereby make the inside air of the interior sunken compressed gasbag 51 of bellying 52 through the pressure effect of water, further strengthen the sealed effect of annular gasbag 51, improve its waterproof nature.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a drag for sediment built-in guide pulley with drainage structures, is including bearing frame (1) of installing outer end gland (3) and inner end gland (11), the inner chamber of bearing frame (1) is rotated through bearing (9) and is provided with pivot (2) just the one end of pivot (2) is located the outside and the guide pulley of bearing frame (1) are connected, the right-hand member of bearing frame (1) is fixed with closing plate (4), closing plate (4) with be equipped with mechanical seal (12) between the guide pulley, closing plate (4) with be provided with sealed cavity between outer end gland (3) just sealed cavity with fix drain pipe (10) on bearing frame (1) communicate with each other its characterized in that: the sealing device is characterized in that a sealing air bag (5) capable of changing air tightness in deep water is arranged between the outer end gland (3) and the end face of the sealing plate (4) and the bearing seat (1), and the inner cavity of the sealing air bag (5) is in sealing bonding with the upper end and the lower end of the support frame (6) and the upper end and the lower end of the mounting ring (7) respectively through adhesives.

2. The guide pulley with the drainage structure in the slag extractor as claimed in claim 1, wherein: the air bag sealer is characterized in that the air bag sealer (5) comprises an annular air bag (51), an outwards convex bulge (52) is arranged on the outer wall of the annular air bag (51), a plurality of groups of through holes are formed in the annular air bag (51), and an air valve (53) is arranged on the bulge (52).

3. The guide pulley with the drainage structure in the slag extractor as claimed in claim 2, wherein: support frame (6) are including two sets of support rings (61) that are the symmetry and set up, and are two sets of through hollow post (62) fixed connection between support ring (61), two sets of support ring (61) with all be provided with on the corresponding position of hollow post (62) with communicating mounting hole (63) of hollow post (62) inner chamber, top the upper end and the below of support ring (61) the lower extreme of support ring (61) all through the bonding agent with the inner wall sealing bonding of annular gasbag (51), the through hole that is equipped with on annular gasbag (51) be located this bonding region in and with mounting hole (63) correspond.

4. The guide pulley with the drainage structure in the slag extractor as claimed in claim 3, wherein: two sets of support ring (61) all through a plurality of groups spliced pole (8) with the outer wall fixed connection of collar (7).

5. The guide pulley in a slag extractor with a drainage structure as claimed in any one of claims 2-4, wherein: and an anti-corrosion coating is arranged on the outer surface of the annular air bag (51).

6. The guide pulley with the drainage structure in the slag extractor as claimed in any one of claims 2-4, wherein: the inner cavity of the annular air bag (51) is provided with a glass fiber layer.

7. The guide pulley with the drainage structure in the slag extractor as claimed in any one of claims 2-4, wherein: one side of the bearing seat (1) close to the outer end gland (3) is provided with a drain pipe (10) communicated with the inner cavity of the bearing seat (1).