Quick dismounting and replacing type spiral shaft assembly

Abstract

The utility model relates to the technical field of ash conveying after waste incineration, in particular to a quick replacement type spiral shaft assembly which comprises a hanging bracket, a self-lubricating bearing is fixedly connected to the bottom of the hanging bracket, a middle connecting shaft is arranged in the self-lubricating bearing, and spiral hollow pipes are connected to the outer portions of the two sides of the middle connecting shaft in a sliding mode. The inner diameter of the spiral hollow pipe is 1.2 times of the outer diameter of the middle connecting shaft, and detachable pipes are arranged at the joints of the spiral hollow pipe and the middle connecting shaft; the whole spiral shaft of the spiral conveyer is designed into a plurality of sections which are spliced and connected, so that the replacement cost and the replacement time are reduced, a middle hanging bracket is arranged in a conveying groove, a self-lubricating bearing is arranged at the bottom of the hanging bracket, a middle connecting shaft is arranged in the bearing, and the middle connecting shaft is connected with two spiral hollow shafts respectively and riveted through bolts. Detachable key grooves are designed in the connecting positions of the spiral hollow shafts and the middle connecting shaft, it is guaranteed that the detachable key grooves in the two ends of the same spiral hollow shaft are in the same line in the machining process, and practicability is higher in the using process.

Description

Technical Field

[0001] The utility model relates to the technical field of ash conveying after garbage incineration, in particular to a quick-disassembly type spiral shaft assembly. Background Technique

[0002] At present, with the increasing improvement of people's living standards, various garbage generated in people's daily life is also increasing day by day. Traditional landfill of garbage requires a huge amount of land and causes great harm to land resources and water resources. In recent years, the national advocacy of lightweight garbage treatment is to solve these problems. Affected by technology and economic benefits, waste incineration plants basically operate 24 hours a day, which puts forward higher requirements for the reliability of equipment and the convenience and speed of maintenance.

[0003] Waste incineration power generation units basically operate 24 hours a day, and in some places, the effect of garbage classification is not obvious. The ash components after incineration are complex, and hard objects such as scrap metal may be filled in it. It is very difficult to ensure the service life of each component of the relevant ash equipment. As a common and large-numbered equipment for ash conveying after garbage incineration, the blades of the screw conveyor are also very easy to wear or damage. This kind of damage has a huge impact on the whole ash conveying chain. Generally, the time left for maintenance personnel is calculated in minutes. Quickly replacing the worn or damaged spiral shaft is the key to ensuring the continuous operation of the whole production chain.

[0004] Therefore, we propose a quick-disassembly type spiral shaft assembly. Content of the Utility Model

[0005] The purpose of the utility model is to provide a quick-disassembly type spiral shaft assembly to solve the problems put forward in the above background technique, that is, waste incineration power generation units basically operate 24 hours a day, and in some places, the effect of garbage classification is not obvious. The ash components after incineration are complex, and hard objects such as scrap metal may be filled in it. It is very difficult to ensure the service life of each component of the relevant ash equipment. As a common and large-numbered equipment for ash conveying after garbage incineration, the blades of the screw conveyor are also very easy to wear or damage. This kind of damage has a huge impact on the whole ash conveying chain. Generally, the time left for maintenance personnel is calculated in minutes.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A quick-release replaceable spiral shaft assembly, including a hanging bracket, a self-lubricating bearing is fixedly connected to the bottom of the hanging bracket, an intermediate connecting shaft is arranged inside the self-lubricating bearing, spiral hollow tubes are slidably connected to the outer sides of both sides of the intermediate connecting shaft, the inner diameter of the spiral hollow tube is 1.2 times the outer diameter of the intermediate connecting shaft, detachable tubes are arranged at the connection parts of the spiral hollow tube and the intermediate connecting shaft, a fastening bolt is threadedly connected to the outside of the spiral hollow tube, and the side end of the fastening bolt abuts against the surface of the detachable tube.

[0008] As a preferred solution of the present utility model, two groups of the fastening bolts are provided, the two groups of the fastening bolts are symmetrically arranged on both sides of the self-lubricating bearing respectively, and the two groups of the fastening bolts have the same size.

[0009] As a preferred solution of the present utility model, the shape of the intermediate connecting shaft is cylindrical, the material of the intermediate connecting shaft is stainless steel, and the intermediate connecting shaft is fixedly connected to the center of the self-lubricating bearing.

[0010] As a preferred solution of the present utility model, the outer surface shape of the spiral hollow tube is wavy, and the material of the spiral hollow tube is stainless steel.

[0011] As a preferred solution of the present utility model, the shape of the hanging bracket is T-shaped, the hanging bracket is arranged at the top of the spiral hollow tube, and circular grooves are opened on both sides of the hanging bracket.

[0012] As a preferred solution of the present utility model, the material of the self-lubricating bearing is aluminum bronze, and the self-lubricating bearing is arranged at the center of the bottom of the hanging bracket.

[0013] As a preferred solution of the present utility model, the shape of the detachable tube is circular, and the material of the detachable tube is stainless steel.

[0014] As a preferred solution of the present utility model, two spiral hollow tubes are provided, the positions of the two spiral hollow tubes are opposite, and the centers of the two spiral hollow tubes are both tube bodies.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] 1. In the present utility model, by designing the entire spiral shaft of the screw conveyor into several sections and splicing and connecting them, the replacement cost and replacement time are reduced. An intermediate hanging bracket is arranged in the conveying trough, there is a self-lubricating bearing at the bottom of the hanging bracket, an intermediate connecting shaft is arranged inside the bearing, the intermediate connecting shaft is respectively connected to two spiral hollow shafts and is riveted by bolts. A detachable keyway is designed at the connection part of the spiral hollow shaft and the intermediate connecting shaft. During processing, it is ensured that the detachable keyways at both ends of the same spiral hollow shaft are in a straight line, and it is more practical during use.

[0017] 2. In the present utility model, through the combined use of fastening bolts, hanging brackets, self-lubricating bearings, detachable pipes, intermediate connecting shafts and spiral hollow pipes, when the spiral hollow shaft needs to be replaced, first remove the bolts connecting the hollow shaft and the intermediate connecting shaft, remove the key grooves at both ends, and lift out the hollow spiral shaft that needs to be replaced. When replacing with a new one, just operate in the reverse order, and the operation is relatively convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a schematic diagram of the structure of the spiral hollow pipe of the present utility model;

[0020] Figure 3 is a schematic diagram of the structure of the hanging bracket of the present utility model;

[0021] Figure 4 is a schematic diagram of the structure of the self-lubricating bearing of the present utility model.

[0022] In the figure: 1, fastening bolt; 2, hanging bracket; 3, self-lubricating bearing; 4, detachable pipe; 5, intermediate connecting shaft; 6, spiral hollow pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0024] Embodiment, please refer to Figures 1 - 4 , the present utility model provides a technical solution:

[0025] A quick-disassembly and replacement type spiral shaft assembly, including a hanging bracket 2, a self-lubricating bearing 3 is fixedly connected to the bottom of the hanging bracket 2, an intermediate connecting shaft 5 is arranged inside the self-lubricating bearing 3, spiral hollow pipes 6 are slidably connected to the outer sides of both sides of the intermediate connecting shaft 5, the inner diameter of the spiral hollow pipe 6 is 1.2 times the outer diameter of the intermediate connecting shaft 5, detachable pipes 4 are arranged at the connection parts of the spiral hollow pipes 6 and the intermediate connecting shaft 5, the outer part of the spiral hollow pipe 6 is threadedly connected with a fastening bolt 1, and the side end of the fastening bolt 1 abuts against the surface of the detachable pipe 4.

[0026] In this embodiment, as shown in Figure 1 and Figure 2As shown, there are two sets of fastening bolts 1, which are symmetrically arranged on both sides of the self-lubricating bearing 3 respectively. The two sets of fastening bolts 1 have the same size. The intermediate connecting shaft 5 is cylindrical in shape and is made of stainless steel. The intermediate connecting shaft 5 is fixedly connected to the center of the self-lubricating bearing 3. The outer surface of the spiral hollow tube 6 is wavy in shape and is made of stainless steel.

[0027] Among them, an intermediate hanger 2 is arranged in the conveying trough. There is a self-lubricating bearing 3 at the bottom of the hanger 2. An intermediate connecting shaft 5 is arranged inside the self-lubricating bearing 3. The intermediate connecting shaft 5 is respectively connected to two spiral hollow tubes 6 and is riveted by the fastening bolts 1. A detachable keyway is designed at the connection between the spiral hollow tube 6 and the intermediate connecting shaft 5. During processing, it is ensured that the detachable keyways at both ends of the same spiral hollow tube 6 are in a straight line, which is more practical during use.

[0028] In this embodiment, as Figure 3 and Figure 4 shown, the hanger 2 is in a T shape. The hanger 2 is arranged on the top of the spiral hollow tube 6. Circular grooves are provided on both sides of the hanger 2. The self-lubricating bearing 3 is made of aluminum bronze and is arranged at the center of the bottom of the hanger 2. The detachable tube 4 is circular in shape and is made of stainless steel. There are two spiral hollow tubes 6, and the positions of the two spiral hollow tubes 6 are opposite to each other. The centers of the two spiral hollow tubes 6 are both tube bodies.

[0029] Among them, when the spiral hollow tube 6 needs to be replaced, first remove the fastening bolts 1 of the spiral hollow tube 6 and the intermediate connecting shaft 5, remove the keyways at both ends, lift out the spiral hollow tube 6 that needs to be replaced, and vice versa when replacing, and the operation is relatively convenient.

[0030] The working process of the utility model: When the quick-disassembly and replacement type spiral shaft assembly designed by this scheme is working, an intermediate hanger 2 is arranged in the conveying trough. There is a self-lubricating bearing 3 at the bottom of the hanger 2. An intermediate connecting shaft 5 is arranged inside the self-lubricating bearing 3. The intermediate connecting shaft 5 is respectively connected to two spiral hollow tubes 6 and is riveted by the fastening bolts 1. A detachable keyway is designed at the connection between the spiral hollow tube 6 and the intermediate connecting shaft 5. During processing, it is ensured that the detachable keyways at both ends of the same spiral hollow tube 6 are in a straight line. When the spiral hollow tube 6 needs to be replaced, first remove the fastening bolts 1 of the spiral hollow tube 6 and the intermediate connecting shaft 5, remove the keyways at both ends, lift out the spiral hollow tube 6 that needs to be replaced, and vice versa when replacing.

[0031] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A quick-release and replaceable spiral shaft assembly, comprising a hanging bracket (2), characterized in that: A self-lubricating bearing (3) is fixedly connected to the bottom of the hanger (2). An intermediate connecting shaft (5) is arranged inside the self-lubricating bearing (3). Spiral hollow tubes (6) are slidably connected to the outer sides of both sides of the intermediate connecting shaft (5). The inner diameter of the spiral hollow tube (6) is 1.2 times the outer diameter of the intermediate connecting shaft (5). Removable tubes (4) are arranged at the connection positions of the spiral hollow tube (6) and the intermediate connecting shaft (5). A fastening bolt (1) is threadedly connected to the outside of the spiral hollow tube (6), and the side end of the fastening bolt (1) abuts against the surface of the removable tube (4).

2. The quick-release and replaceable spiral shaft assembly according to claim 1, wherein: Two groups of the fastening bolts (1) are provided. The two groups of the fastening bolts (1) are symmetrically arranged on both sides of the self-lubricating bearing (3) respectively, and the two groups of the fastening bolts (1) have the same size.

3. The quick-release replaceable spiral shaft assembly according to claim 1, characterized in that: The intermediate connecting shaft (5) is cylindrical in shape. The material of the intermediate connecting shaft (5) is stainless steel. The intermediate connecting shaft (5) is fixedly connected to the center of the self-lubricating bearing (3).

4. A quick-release replaceable spiral shaft assembly according to claim 1, characterized in that: The outer surface shape of the spiral hollow tube (6) is wavy. The material of the spiral hollow tube (6) is stainless steel.

5. A quick-release replaceable spiral shaft assembly according to claim 1, characterized in that: The hanger (2) is T-shaped. The hanger (2) is arranged at the top of the spiral hollow tube (6). Circular grooves are formed on both sides of the hanger (2).

6. The quick-release type spiral shaft assembly according to claim 1, wherein: The material of the self-lubricating bearing (3) is aluminum bronze. The self-lubricating bearing (3) is arranged at the center of the bottom of the hanger (2).

7. A quick-release replaceable spiral shaft assembly according to claim 1, characterized in that: The removable tube (4) is circular in shape. The material of the removable tube (4) is stainless steel.

8. A quick-release and replaceable spiral shaft assembly according to claim 1, characterized in that: Two spiral hollow tubes (6) are provided. The positions of the two spiral hollow tubes (6) are opposite to each other. The centers of the two spiral hollow tubes (6) are both tube bodies.

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