Belt elevator tail sealing device

Abstract

The utility model discloses a tail sealing device for a belt hoist, comprising: a bearing seat is arranged inside the slide wall panel, a tail shaft is arranged on the inner side wall of the bearing seat, a labyrinth sealing ring is fixedly connected to the outer surface of the tail shaft, a sealing shell is fixedly connected to the outer surface of the sealing wall panel, a sealing plate is fixedly connected to the outer surface of the sealing shell, the inner ring surface of the sealing plate and the labyrinth sealing ring abut against each other, and a fixing mechanism is arranged on the outer surface of the bearing seat. A sealing box is made by making a slide wall panel of the tail bearing seat. When the sealing device is used, the tail shaft is extended into the bearing seat, and the sealing plate and the tail shaft are sealed by a labyrinth sealing sleeve. At the same time, the convex ring and the annular limiting groove are embedded in each other, and the sealing plate is fixed with the fixing mechanism to ensure the sealing effect and avoid dust entering the bearing seat.

Description

Technical Field

[0001] The utility model relates to the technical field of belt hoists, in particular to a tail sealing device for a belt hoist. Background Art

[0002] Belt elevator is a common material conveying equipment, mainly used to lift materials from a lower height to a higher height. Its working principle is to transport materials upward or downward through the continuous circulation of the belt on the rack. The speed and transportation distance of the belt elevator can be adjusted as needed to meet the needs of different logistics scenarios. In addition, they can also add counterweights as needed to increase the stability of the equipment.

[0003] In the operation of existing belt elevators, the sealing effect of the tail bearing seat is generally not good. When the belt elevator is in operation, dust enters the bearing seat, resulting in large bearing clearance and serious wear of the tail shaft seal. The bearings and sealing sleeves must be replaced frequently. In severe cases, the tail shaft seal is severely worn, posing a risk of broken shaft. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a sealing device for the tail of a belt hoist. A sealing box is made of the slide wall panel of the tail bearing seat. When the sealing device is used, the tail shaft is extended into the bearing seat, and the sealing plate and the tail shaft are sealed by a labyrinth sealing sleeve. At the same time, the convex ring and the annular limit groove are embedded in each other to ensure the sealing effect. The sealing shell and the sealing plate are cooperated for sealing. The lead screw is rotated through the connecting head to move the lead screw along the through hole toward the sealing plate until the through end of the lead screw abuts against the bottom surface of the positioning groove of the sealing plate, so as to fix the sealing plate to the lead screw. The shape of the sealing plate is cooperated to ensure the sealing effect when the tail shaft rotates when the hoist is working, thereby realizing a fully enclosed sealing of the bearing seat at the tail of the belt hoist, and solving the problem that the bearing seat is easy to get dust when the belt hoist is in operation, resulting in large bearing clearance.

[0005] The utility model also provides a tail sealing device having the above-mentioned belt elevator, comprising: a slide wall panel, a bearing seat is arranged inside the slide wall panel, a tail shaft is arranged on the inner side wall of the bearing seat, a labyrinth sealing ring is fixedly connected to the outer surface of the tail shaft, a sealing shell is fixedly connected to the outer surface of the slide wall panel, a sealing plate is fixedly connected to the outer surface of the sealing shell, the inner annular surface of the sealing plate abuts against the labyrinth sealing ring, and a fixing mechanism is arranged on the outer surface of the bearing seat.

[0006] According to the belt elevator tail sealing device, the inner ring surface of the sealing plate is provided with an annular limiting groove, and the outer ring surface of the labyrinth sealing ring is provided with a convex ring, and the convex ring and the annular limiting groove are adapted to each other.

[0007] According to the belt elevator tail sealing device, the fixing mechanism includes a fixing block and a lead screw, the outer surface of the bearing seat is fixedly connected to the fixing block, the outer surface of the lead screw is threadedly connected to the fixing block, and one end of the lead screw passes through the slide wall panel and abuts against the sealing plate.

[0008] According to the tail sealing device of the belt elevator, a positioning groove is provided on the side surface of the sealing plate, and the through end of the lead screw is matched with the positioning groove.

[0009] According to the tail sealing device of the belt hoist, the sealing plate is in a square shape. According to the tail sealing device of the belt hoist, a through hole is arranged inside the slideway wall plate, and the lead screw is located inside the through hole.

[0010] According to the belt elevator tail sealing device, a connector is provided at one end of the lead screw away from the sealing plate.

[0011] According to the belt lift tail sealing device, the number of the fixing mechanisms is four and they are arranged in a rectangular array.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 This is a schematic diagram of the overall structure of the tail sealing device of the utility model belt hoist;

[0015] Figure 2 It is a schematic diagram of the connection between the sealing plate and the labyrinth sealing ring of the tail sealing device of the belt hoist of the utility model;

[0016] Figure 3 The utility model is a sealing device for the tail of the belt lifting machine Figure 2 A partial enlarged schematic diagram in the middle;

[0017] Figure 4 The utility model is a schematic diagram of the connection between the bearing seat and the sealing plate of the tail sealing device of the belt hoist.

[0018] Legend:

[0019] 1. Slide wall panel; 2. Bearing seat; 3. Tail shaft; 4. Sealing housing; 5. Sealing plate; 6. Labyrinth seal ring; 7. Convex ring; 8. Annular limit groove; 9. Positioning groove; 10. Fixed block; 11. Screw; 12. Connector; 13. Through hole. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] Reference Figure 1-4 The utility model embodiment of the belt hoist tail sealing device comprises: a slide wall panel 1, a bearing seat 2 is arranged inside the slide wall panel 1, a tail shaft 3 is arranged on the inner side wall of the bearing seat 2, a labyrinth seal ring 6 is fixedly connected to the outer surface of the tail shaft 3, a sealing shell 4 is fixedly connected to the outer surface of the slide wall panel 1, a sealing plate 5 is fixedly connected to the outer surface of the sealing shell 4, the inner ring surface of the sealing plate 5 abuts against the labyrinth seal ring 6, the inner ring surface of the sealing plate 5 is provided with an annular limiting groove 8, and the labyrinth seal ring 6 is fixedly connected to the outer surface of the sealing shell 4. A convex ring 7 is arranged on the outer ring surface of the outer surface, and the convex ring 7 and the annular limiting groove 8 are adapted to each other. When the tail shaft 3 is extended into the bearing seat 2, the sealing shell 4 and the sealing plate 5 are sealed, and the sealing plate 5 and the tail shaft 3 are sealed by a labyrinth sealing ring 6. At the same time, the setting of the convex ring 7 and the annular limiting groove 8 can further improve the sealing effect, thereby realizing a fully enclosed sealing of the bearing seat 2 at the tail of the belt elevator, and solving the problem that the bearing seat 2 is easy to get dust when the belt elevator is in operation, resulting in large bearing clearance.

[0022] A fixing mechanism is provided on the outer surface of the bearing seat 2, and the fixing mechanism includes a fixing block 10 and a screw 11. The outer surface of the bearing seat 2 is fixedly connected to the fixing block 10, and the outer surface of the screw 11 is threadedly connected to the fixing block 10. One end of the screw 11 penetrates the slideway wall panel 1 and abuts against the sealing plate 5. A positioning groove 9 is provided on the side surface of the sealing plate 5. The penetrating end of the screw 11 is adapted to the positioning groove 9. The shape of the sealing plate 5 is square. When the sealing plate 5 and the labyrinth sealing ring 6 are embedded in each other, the screw 11 is rotated by the connecting head 12 to move the screw 11 along the through hole 13 toward the sealing plate 5 until the penetrating end of the screw 11 abuts against the bottom surface of the positioning groove 9 of the sealing plate 5, thereby fixing the sealing plate 5 to the screw 11. In combination with the shape of the sealing plate 5, the sealing effect when the tail shaft 3 rotates during operation of the hoist is ensured.

[0023] A through hole 13 is provided inside the slide wall panel 1, and the screw 11 is located inside the through hole 13. A connecting head 12 is provided at the end of the screw 11 away from the sealing plate 5. The number of the fixing mechanisms is four and they are arranged in a rectangular array. The connecting head 12 is used for connecting the screw 11 with a tool to facilitate the rotation operation of the screw 11 and control the tightening and relaxation of the sealing plate 5.

[0024] Working principle: When the sealing device is used, the tail shaft 3 is extended into the bearing seat 2, and the sealing plate 5 and the tail shaft 3 are sealed by the labyrinth sealing ring 6. At the same time, the convex ring 7 and the annular limit groove 8 are embedded in each other to ensure the sealing effect, and the sealing shell 4 and the sealing plate 5 are sealed. The lead screw 11 is rotated through the connecting head 12 to move the lead screw 11 along the through hole 13 toward the sealing plate 5 until the through end of the lead screw 11 abuts against the bottom surface of the positioning groove 9 of the sealing plate 5, so as to fix the sealing plate 5 with the lead screw 11, and cooperate with the shape of the sealing plate 5 to ensure the sealing effect when the tail shaft 3 rotates when the elevator is working, thereby realizing a fully enclosed sealing of the bearing seat 2 at the rear of the belt elevator, solving the problem that the bearing seat 2 is easy to get dust when the belt elevator is in operation, resulting in large clearance of the tail shaft 3.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. The tail sealing device of the belt elevator is characterized by: The invention comprises: a slide wall panel (1), a bearing seat (2) is arranged inside the slide wall panel (1), a tail shaft (3) is arranged on the inner side wall of the bearing seat (2), a labyrinth seal ring (6) is fixedly connected to the outer surface of the tail shaft (3), a sealing shell (4) is fixedly connected to the outer surface of the slide wall panel (1), a sealing plate (5) is fixedly connected to the outer surface of the sealing shell (4), the inner ring surface of the sealing plate (5) abuts against the labyrinth seal ring (6), and a fixing mechanism is arranged on the outer surface of the bearing seat (2).

2. The tail sealing device of the belt hoist according to claim 1 is characterized in that: The inner ring surface of the sealing plate (5) is provided with an annular limiting groove (8), and the outer ring surface of the outer surface of the labyrinth sealing ring (6) is provided with a convex ring (7), and the convex ring (7) and the annular limiting groove (8) are mutually adapted.

3. The tail sealing device of the belt hoist according to claim 1 is characterized in that: The fixing mechanism comprises a fixing block (10) and a lead screw (11); the outer surface of the bearing seat (2) is fixedly connected to the fixing block (10); the outer surface of the lead screw (11) is threadedly connected to the fixing block (10); one end of the lead screw (11) passes through the slideway wall panel (1) and abuts against the sealing plate (5).

4. The tail sealing device of the belt hoist according to claim 3 is characterized in that: A positioning groove (9) is provided on the side surface of the sealing plate (5), and the through end of the lead screw (11) is adapted to fit the positioning groove (9).

5. The tail sealing device of the belt hoist according to claim 4, characterized in that: The sealing plate (5) is in a square shape.

6. The belt hoist tail sealing device according to claim 3, characterized in that: A through hole (13) is provided inside the slideway wall plate (1), and the lead screw (11) is located inside the through hole (13).

7. The tail sealing device of the belt hoist according to claim 6, characterized in that: A connecting head (12) is provided at one end of the lead screw (11) away from the sealing plate (5).

8. The tail sealing device of the belt hoist according to claim 3, characterized in that: The number of the fixing mechanisms is four and they are arranged in a rectangular array.

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