CN212923264U

CN212923264U - Underwater durable roller structure

Info

Publication number: CN212923264U
Application number: CN202021024993.3U
Authority: CN
Inventors: 丁星; 陈鹤; 夏雨铃; 袁海生
Original assignee: Shanghai Shan Mei Environmental Protection Equipment Ltd By Share Ltd
Current assignee: Shanghai Shan Mei Environmental Protection Equipment Ltd By Share Ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-04-09
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses an underwater durable roller structure, which relates to the technical field of rollers and comprises a main shaft, a bearing seat, a roller and an oil hole arranged in the main shaft, wherein one end of the bearing is communicated with the main shaft connected with the bearing, and the other end of the bearing is connected with a pipeline; one side of the lubricating block is provided with a nozzle tip, and the other side of the lubricating block is connected with a pipeline. Adopt this structure, can be so that the main shaft is static, the cylinder drives the bearing frame and rotates, can regularly give the tail roller bearing of aquatic and annotate the butter outside the box, make the inside malleation that produces of bearing, let lubricating oil spill over from inside to outside, play certain isolation through lubricating grease, prevent the invasion of silt, let "emery wheel" effect unable formation to reach good sealed effect.

Description

Underwater durable roller structure

Technical Field

The utility model belongs to the technical field of the cylinder, concretely relates to durable cylinder structure under water.

Background

At present, with the industrial development of China, the application of various construction waste crushing treatment technologies is becoming wide, and the design of various treatment processes is gradually increased. In which the addition of water washing equipment to the construction waste treatment process is a current method, a new water flotation method developed by Shanghai Shanmei environmental protection equipment corporation is under such a background (figure 1).

The main shaft of the belt tail roller at the bottom of the water flotation box body is easy to wear in the using process of water flotation, the reason is that the sealing surface is opened, solid particles in a medium enter the sealing surface under the action of water pressure, and after the sealing surface is closed, the solid particles are embedded into the surface of the soft ring, so that a 'grinding wheel' can damage the surface of the hard ring (main shaft), after the main shaft is worn, the lip-shaped seal fails, and sewage containing silt enters the bearing seat to damage a bearing, so that equipment is stopped and maintained frequently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a durable cylinder structure under water to solve the problem of carrying among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an underwater durable roller structure comprises a main shaft, a relative atmosphere area, a closed area and a roller body

The bearing is sleeved on the main shaft, and the bearing seat is sleeved on the bearing;

the roller is coaxially arranged with the main shaft and is connected with the bearing seat through a disc;

the sealing cover is positioned on the side of the atmospheric region and sleeved on the main shaft, a first sealing space is reserved between the inner side wall of the sealing cover and the outer side wall of the main shaft, and a packing sealing strip is arranged in the first sealing space;

the packing pressing ring is positioned on the side of the atmospheric region, the packing pressing ring and the sealing cover and the bearing seat are fixed through bolts, and when the bolts positioned between the packing pressing ring and the sealing cover are screwed down, the packing pressing ring presses the packing sealing strip to the first sealing space;

the oil filling hole is arranged in the main shaft, one end of the oil filling hole is communicated with the main shaft connected with the bearing, and the other end of the oil filling hole is connected with a pipeline;

and one side of the lubricating block is provided with an oil nozzle, and the other side of the lubricating block is connected with the pipeline.

Preferably, the material of the pipeline is a rubber hose.

Preferably, the bearing seat extends axially into the closed area with a projection, the projection forms a second sealed space with the bearing and the side wall of the main shaft, and the second sealed space is filled with a lip-shaped seal.

Preferably, the sealing cover and the side wall of the main shaft form a third sealing space at one side of the sealing area where the sealing cover is connected with the main shaft, and the third sealing space is filled with a lip-shaped seal.

Preferably, an O-ring is disposed between the packing retainer ring and the opposite circumferential surfaces of the seal cover.

The utility model discloses a technological effect and advantage: the utility model discloses in make the main shaft fixed, and the bearing frame rotates, and at the inside drilling of main shaft, through the effect of glib and pipeline, can regularly give the tail roller bearing of aquatic the butter of filling outside the box, make the inside malleation that produces of bearing, let lubricating oil spill over from inside to outside, play certain isolation through lubricating grease, prevent the invasion of silt, let "emery wheel" effect unable formation to reach good sealed effect.

Drawings

FIG. 1 is a sectional view of the present invention;

fig. 2 is a left side view of the present invention.

In the figure: 1-main shaft, 2-bearing, 3-bearing seat, 4-roller, 5-sealing cover, 6-first sealing space, 7-packing sealing strip, 8-packing clamp ring, 9-oil hole, 10-pipeline, 11-lubricating block, 12-oil nozzle, 13-lug, 14-second sealing space, 15-lip seal, 16-third sealing space and 17-O type sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a durable cylinder structure under water as shown in the figure, including main shaft 1 and relative atmospheric region and closed region, still include

A bearing 2 sleeved on the main shaft 1, wherein a bearing seat 3 is sleeved on the bearing 2;

the roller 4 is coaxially arranged with the main shaft 1 and is connected with the bearing block 3 through a disc;

the sealing cover 5 is positioned on the side of the atmospheric region and sleeved on the main shaft 1, a first sealing space 6 is reserved between the inner side wall of the sealing cover and the outer side wall of the main shaft 1, and a packing sealing strip 7 is arranged in the first sealing space 6;

referring to fig. 1, a packing clamp ring 8 located on the side of an atmospheric region, a space between the packing clamp ring 8 and a seal cover 5 and a space between the seal cover 5 and a bearing seat 3 are fixed through bolts, and when the bolts located between the packing clamp ring 8 and the seal cover 5 are screwed, the packing clamp ring 8 clamps a packing seal strip 7 to a first seal space 6, the bolts include nuts and threaded shafts, threaded holes convenient for the threaded shafts to rotate in a matching manner are formed in the packing clamp ring 8, the seal cover 5 and the bearing seat 3, when the rotating nuts rotate to one side of the seal region, the packing clamp ring 8 clamps the packing seal strip 7 to the first seal space 6, and the seal cover 5 clamps the bearing seat 3;

an oil filling hole 9 arranged in the main shaft 1, wherein one end of the oil filling hole is communicated with the main shaft 1 connected with the bearing 2, and the other end of the oil filling hole is connected with a pipeline 10;

the lubricating block 11 has a nozzle 12 on one side and is connected to the pipe 10 on the other side.

The two ends of the main shaft 1 are set as atmosphere areas, the middle end of the main shaft 1 is set as a closed area, specifically referring to fig. 1, in the underwater durable roller structure shown in fig. 1, the whole underwater durable roller 4 structure is used as a belt tail roller at the bottom of a water flotation tank, which is mainly driven and not active, so that the main shaft 1 is fixed by means in the prior art, a bearing 2 is arranged at the radial outer side of the main shaft 1, a bearing seat 3 is arranged at the radial outer side of the bearing 2, the bearing seat 3 is connected with the roller 4 through a disc, when a power source in a belt conveyor in the water flotation tank drives the roller 4 to rotate, in the whole process, the main shaft 1 does not rotate, but the roller 4 drives the bearing seat 3 to rotate, it should be understood that in the device, the packing ring 8 and the sealing cover 5 both rotate along with the bearing seat 3, for the device, lubrication block 11 is fixed on the lateral wall of water flotation box, its one side that has glib talker 12 is located the water flotation box outside, its one side of being connected with pipeline 10 is located the water flotation box inboard, consequently, be connected with the fuel feeding equipment of peripheral hardware through glib talker 12, through fuel feeding equipment with oil through glib talker 12 and hose injection in main shaft 1 inside oil filler point 9, and then make the inside production malleation of bearing 2, let lubricating oil spill over from inside to outside, play certain isolation through lubricating grease, prevent the invasion of silt, let "emery wheel" effect unable formation, thereby reach good sealed effect.

In an embodiment of the present invention, the material of the pipe 10 is a rubber hose, which has a good curvature, can be used in a narrow space, and is also used for conveying hydraulic fluid, including grease.

Referring to fig. 1, a protrusion 13 extends axially into the enclosed area of the bearing seat 3, the protrusion 13 and the bearing seat 3 are of an integral structure, the protrusion 13, the bearing 2 and the sidewall of the main shaft 1 form a second enclosed space 14, and the second enclosed space 14 is filled with a lip seal 15.

In an embodiment of the present invention, the joint of the sealing cover 5 and the main shaft 1 is located at one side of the closed area, the sealing cover 5 and the side wall of the main shaft 1 form a third sealing space 16, the third sealing space 16 is filled with a lip seal 15, the arrangement of the double lip seal 15 and the packing seal 7 can effectively prevent water from entering the bearing 2 through a gap, and reduce the sealing effect, see fig. 1, at this time, the lip seals 15 inside the second sealing space 14 and the third sealing space 16 can limit the range of overflowing grease, so that not only the isolation effect can be achieved; prevent the invasion of silt to reach good sealed effect, can also play the effect of lubricated packing sealing strip 7, prolong the life of packing sealing strip 7.

Preferably, an O-ring 17 is installed between the packing retainer ring 8 and the facing circumferential surface of the seal cover 5.

It should be understood that, in the present invention, the packing clamp ring 8, the seal cover 5 and the bearing seat 3 are all in a separable state.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and "longitudinal", "transverse", "longitudinal", "transverse", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like,

The directional or positional relationships indicated as "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are those shown in the drawings and are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. An underwater durable roller structure, comprising a main shaft, a relative atmosphere area and a closed area, characterized in that: also comprises

The bearing is sleeved on the main shaft, and a bearing seat is sleeved on the bearing;

2. The underwater durable drum structure of claim 1, wherein: the pipeline is made of a rubber hose.

3. The underwater durable drum structure of claim 1, wherein: the bearing seat extends to the inside of the closed area along the axial direction to form a convex block, the bearing and the side wall of the main shaft form a second sealed space, and the second sealed space is filled with lip-shaped seal.

4. The underwater durable drum structure of claim 3, wherein: and on one side of the closed area where the sealing cover is connected with the main shaft, the sealing cover and the side wall of the main shaft form a third sealing space, and the third sealing space is filled with a lip-shaped seal.

5. The underwater durable drum structure of claim 1, wherein: and an O-shaped sealing ring is arranged between the packing compression ring and the opposite circumferential surface of the sealing cover.