Novel turnabout drum of belt reversed loader for coal mine

Abstract

The utility model discloses a novel turnabout drum of a belt type reversed loader for a coal mine, which relates to the technical field of reversed loaders and comprises a rotary drum arranged at one end of a reversed loader main body, supporting pieces are symmetrically arranged at two ends of the rotary drum, and a first clamping groove is coaxially formed in the center of each supporting piece and connected with a bearing in a clamping mode. The rotating drum is coaxially provided with a fixed shaft which is rotationally connected with the rotating drum through a bearing, the first clamping groove is fixedly connected with a first sealing piece and rotationally connected with a second sealing piece, a gap cavity is formed between the first sealing piece and the second sealing piece, a first oil cup is arranged at the end of the fixed shaft, and the first oil cup is connected with a pipeline in a clamped mode. Sealing between the first sealing piece and the second sealing piece is guaranteed through the gap cavity, lubricating grease is prevented from overflowing through the gap between the fixed shaft and the supporting piece through the third sealing piece and the fourth sealing piece, multiple sealing protection is formed, the first oil cup is arranged at the axial outer end of the fixed shaft and is not shielded by other parts, and the sealing effect is good. And a clamped pipeline is led out to the outer side of the loading machine, so that the filling and lubrication are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a loader technical field especially relates to a novel redirection cylinder of belt type transfer machine for coal mine. BACKGROUND

[0002] The belt type transfer machine is widely used in the fields of coal mine, mine and the like, and its working principle is that a driving device drives a roller mechanism to rotate, the roller mechanism drives a conveying belt to run, materials are placed on the conveying belt, and the materials are conveyed from one end to the other end along with the movement of the conveying belt, so that the materials are transferred. The roller mechanism comprises a transmission roller and a redirection cylinder, and the redirection cylinder is mainly used for changing the running direction of the conveying belt or compacting the conveying belt.

[0003] However, when the belt type transfer machine is used in the fields of coal mine, mine and the like, the redirection cylinder is close to the ground, is affected by complex working environment factors such as accumulated water, floating ash and floating dust, the conventional sealing effect is poor, impurities are easily immersed, the redirection cylinder bearing is damaged, the structure of the loader is compact, the redirection cylinder is arranged in a tensioning mechanism or a truss, lubricating oil is inconvenient to add or needs to be added after the redirection cylinder is disassembled, and the maintenance efficiency is affected.

[0004] Therefore, the utility model provides a novel redirection cylinder of belt type transfer machine for coal mine to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a novel redirection cylinder of belt type transfer machine for coal mine to solve the technical problems of redirection cylinder bearing damage caused by poor conventional sealing effect and inconvenient lubricating oil addition of the redirection cylinder affecting maintenance efficiency in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a novel redirection cylinder of belt type transfer machine for coal mine, comprising: a rotating cylinder arranged at one end of a transfer machine main body, support pieces are symmetrically arranged at both ends of the rotating cylinder, the support piece axial outer side is fixedly connected with the rotating cylinder axial inner side, a first clamping groove is coaxially arranged in the support piece center, a bearing is clamped in the first clamping groove, the rotating cylinder is coaxially provided with a fixed shaft, the fixed shaft is rotatably connected with the rotating cylinder through the bearing, a first sealing piece is fixedly connected with one side of the fixed shaft end portion close to the first clamping groove, the first sealing piece, the first clamping groove and the fixed shaft form a first sealing cavity, a second sealing piece is rotatably connected with one side of the fixed shaft end portion close to the first sealing piece, and the second sealing piece is coaxially sleeved on the outer shaft side of the fixed shaft.

[0007] Preferably, the fixed shaft is provided with a first flow guide hole in communication with the first sealing cavity, a first oil cup is fixedly connected with the top end of the first flow guide hole, and a pipeline is clamped in the first oil cup.

[0008] Preferably, the first seal is provided with a plurality of first sealing teeth at one end away from the bearing, and the second seal is provided with a plurality of second sealing teeth, which are arranged in a staggered manner with the first sealing teeth and form a gap cavity.

[0009] Preferably, the gap cavity is clamped with a fourth seal near one end of the shaft.

[0010] Preferably, the support is provided with a second clamping groove on the inner shaft side, and the second clamping groove clamps a third seal.

[0011] Preferably, the second seal is provided with a fourth clamping groove on the inner shaft side, and the fourth clamping groove clamps a fifth seal.

[0012] Preferably, the second seal is provided with a first through hole, one end of the gap cavity is communicated with the first through hole, and the other end of the first through hole is fixedly connected with a second oil cup.

[0013] Preferably, the rotary drum shaft is fixedly connected with an anti-skid member on the outer side in the axial direction.

[0014] The beneficial effects of the present application are as follows:

[0015] 1. The second seal extrudes the fifth seal, so that the shaft, the fifth seal and the second seal form a sealed state, which can effectively prevent foreign matter from entering the bearing, the first sealing cavity is provided, so that the injected lubricating grease enters the first sealing cavity through the first flow guide hole communicated with the second oil cup, and the bearing is completely covered, realizing lubrication and sealing protection of the bearing; the gap cavity is provided, and since the gap cavity is a labyrinth passage, it can effectively prevent pollutants, dust and water vapor from entering the sealing area, thereby ensuring the sealing between the first seal and the second seal, and since the first seal and the second seal do not directly contact, the wear is small, the maintenance is simple, the service life is long, and the sealing performance of the equipment under high-speed operation is also ensured; the third seal and the fourth seal are provided, which prevents the lubricating grease from overflowing outward through the gap between the shaft and the support, and solves the problem of damage to the redirecting drum bearing due to poor conventional sealing effect through multiple sealing protection.

[0016] 2. The first oil cup is arranged at the outer end of the shaft in the axial direction, and there is no other part to block, and the pipeline connected therewith is led out to the outside of the loader, so that the lubricating grease can be conveniently injected, and the problem of affecting the maintenance efficiency due to inconvenient lubricating oil injection is solved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the loader main body structure of the present application.

[0018] Figure 2The utility model discloses a rotary kiln main body structure section view.

[0019] Figure 3 The utility model discloses a redirection cylinder structure section view.

[0020] Figure 4 For Figure 3 The partial enlarged view of A in the figure.

[0021] Figure 5 For Figure 5 The partial enlarged view of B in the figure.

[0022] The figure mark is: 1, rotary cylinder;2, support piece;21, first clamping groove;22, second clamping groove;3, fixed shaft;31, first flow guide hole;4, bearing;5, first sealing piece;51, first sealing cavity;52, first sealing tooth;6, second sealing piece;61, second sealing tooth;62, gap cavity;63, fourth clamping groove;64, first through -hole;7, pipeline;8, third sealing piece;9, fourth sealing piece;10, fifth sealing piece;11, antiskid piece;12, first oil cup;13, second oil cup;14, rotary kiln main body. Specific implementation

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0024] In the actual use, the redirection cylinder bearing is damaged due to the poor conventional sealing effect, and the redirection cylinder lubricating oil is inconvenient to add, which affects the maintenance efficiency, in order to solve the above problems, the embodiment is provided.

[0025] Please refer to Figures 1 to 5 The utility model discloses a novel redirection cylinder of belt type rotary kiln for coal mine, including setting up in rotary kiln main body 14 one end's rotary cylinder 1, the both ends symmetry of rotary cylinder 1 are provided with support piece 2, and the axial outer side of support piece 2 is fixedly connected with the axial inner side of rotary cylinder 1, and the first clamping groove 21 of support piece 2 center is coaxially provided, and the bearing 4 is clamped to first clamping groove 21, and rotary cylinder 1 is provided with fixed shaft 3 coaxially, and fixed shaft 3 is rotatably connected with rotary cylinder 1 through bearing 4, and the side fixedly connected with first sealing piece 5 of first clamping groove 21 is close to the end of fixed shaft 3, and first sealing piece 5, first clamping groove 21 and fixed shaft 3 form first sealing cavity 51, and the side rotatably connected with second sealing piece 6 of first sealing piece 5 is close to the end of fixed shaft 3, and second sealing piece 6 is coaxially sleeved on the outer shaft side of fixed shaft 3.

[0026] Please refer toFigure 4 As shown, the fixed shaft 3 is provided with a first flow hole 31 communicating with the first sealing cavity 51, and the first flow hole 31 is fixedly connected with a first oil cup 12, and the first oil cup 12 is clamped with a pipeline 7, and the pipeline 7 is a high-pressure hose.

[0027] Please refer to Figure 4 As shown, the inner shaft side of the support 2 is provided with a second clamping groove 22, the second clamping groove 22 is clamped with a third sealing member 8, the third sealing member 8 is an oil seal ring, the outer shaft side of the rotating drum 1 is fixedly connected with an anti-skid member 11, and the anti-skid member 11 is wear-resistant anti-skid rubber, which avoids slipping with the conveying belt.

[0028] Please refer to Figure 5 As shown, the first sealing member 5 is provided with a plurality of first sealing teeth 52 away from one end of the bearing 4, the second sealing member 6 is provided with a plurality of second sealing teeth 61, the plurality of second sealing teeth 61 are arranged in a staggered manner with the plurality of first sealing teeth 52 and form a gap cavity 62, and the gap cavity 62 is clamped with a fourth sealing member 9 at one end close to the fixed shaft 3, and the fourth sealing member 9 is a VD-shaped sealing ring.

[0029] Please refer to Figure 5 As shown, the inner shaft side of the second sealing member 6 is provided with a fourth clamping groove 63, the fourth clamping groove 63 is clamped with a fifth sealing member 10, the fifth sealing member 10 is an O-shaped sealing ring, the second sealing member 6 is provided with a first through hole 64, the gap cavity 62 communicates with one end of the first through hole 64, and the other end of the first through hole 64 is fixedly connected with a second oil cup 13.

[0030] In use, the second sealing member 6 is arranged to extrude the fifth sealing member 10, so that the fixed shaft 3, the fifth sealing member 10 and the second sealing member 6 form a sealed state, which can effectively prevent foreign matter from entering the bearing 4, and then in order to lubricate and seal the bearing 4, the added lubricating grease enters the first sealing cavity 51 through the first flow hole 31 communicating with the second oil cup 13, and the bearing 4 is completely covered, the gap between the fixed shaft 3 and the support 2 is sealed by the third sealing member 8, which prevents the lubricating grease from overflowing outward through the gap between the fixed shaft 3 and the support 2, and then since the gap cavity 62 is a labyrinth passage, it can effectively prevent pollutants, dust, water vapor and the like from entering the sealing area, thereby ensuring the sealing between the first sealing member 5 and the second sealing member 6. Since the first sealing member 5 and the second sealing member 6 do not directly contact each other, the wear is small, the maintenance is simple, and the service life is long, and at the same time, the sealing performance of the equipment under high-speed operation is also ensured. Then, the fourth sealing member 9 is arranged at the bottom end of the gap cavity 62, which prevents the lubricating grease from overflowing from the gap between the fixed shaft 3 and the support 2, and through multiple sealing protection, the damage of the redirecting drum bearing caused by poor conventional sealing effect is solved.

[0031] Then the first oil cup 12 is arranged at the axial outer end of the fixed shaft 3, no other components are shielded, and the pipeline 7 connected through the clamping is led out to the outside of the loader, so that the lubricating grease is conveniently filled, and the problem that the filling of the lubricating oil affects the maintenance efficiency is solved.

[0032] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A new type of redirection drum of a belt-type coal mine transfer conveyor, comprising a rotating drum (1) arranged at one end of a main body (14) of the transfer conveyor, characterized in that: The rotating drum (1) is symmetrically provided with a support (2) at both ends, the support (2) is fixedly connected with the inner side of the rotating drum (1) in the axial direction, a first clamping groove (21) is coaxially arranged in the center of the support (2), a bearing (4) is clamped in the first clamping groove (21), the rotating drum (1) is coaxially provided with a fixed shaft (3), the fixed shaft (3) is rotatably connected with the rotating drum (1) through the bearing (4), the first clamping groove (21) is fixedly connected with a first sealing element (5) on one side close to the end of the fixed shaft (3), the first sealing element (5), the first clamping groove (21) and the fixed shaft (3) form a first sealing cavity (51), the first sealing element (5) is rotatably connected with a second sealing element (6) on one side close to the end of the fixed shaft (3), and the second sealing element (6) is coaxially sleeved on the outer shaft side of the fixed shaft (3).

2. A new type of redirection drum for a belt tripper in a coal mine according to claim 1, characterized in that: The fixed shaft (3) is provided with a first flow guide hole (31) communicating with the first sealing cavity (51), and the first flow guide hole (31) is fixedly connected with a first oil cup (12) at the top end.

3. A new type of redirection drum for a belt tripper in a coal mine according to claim 2, characterized in that: The first sealing element (5) is provided with a plurality of first sealing teeth (52) at one end away from the bearing (4), the second sealing element (6) is provided with a plurality of second sealing teeth (61), and the plurality of second sealing teeth (61) are arranged in a staggered manner with the plurality of first sealing teeth (52) and form a gap cavity (62).

4. A new type of redirection drum for a belt tripper in a coal mine according to claim 3, characterized in that: The gap cavity (62) is clamped with a fourth sealing element (9) at one end close to the fixed shaft (3).

5. A novel redirection drum for a belt tripper for coal mines as claimed in claim 4 wherein: The support (2) is provided with a second clamping groove (22) on the inner shaft side, and the second clamping groove (22) is clamped with a third sealing element (8).

6. A novel redirection drum for a belt tripper for coal mines as claimed in claim 5, wherein: The inner shaft side of the second sealing element (6) is provided with a fourth clamping groove (63), and the fourth clamping groove (63) is clamped with a fifth sealing element (10).

7. A novel redirection drum for a belt tripper for coal mines as claimed in claim 6, wherein: The second sealing element (6) is provided with a first through hole (64), one end of the gap cavity (62) communicates with the first through hole (64), and the other end of the first through hole (64) is fixedly connected with a second oil cup (13).

8. A novel redirection drum for a belt tripper for coal mines as claimed in claim 7, wherein: The rotating drum (1) is fixedly connected with an anti-skid element (11) on the outer side in the axial direction.

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