Limiting device for rake frame of thickener

Abstract

The utility model discloses a rake frame limiting device of a thickener. The rake frame limiting device comprises a rake frame center shaft, a limiting shaft sleeve, a limiting shaft, a flange connecting seat, a flange base and an underflow cylinder, a flange is annularly arranged on the bottom end face of the rake frame center shaft, a flange is annularly arranged on the end face of one end of the limiting shaft sleeve, and a flange is annularly arranged on the end face of one end of the limiting shaft. The flange connecting seat is formed by symmetrically fastening and connecting two semi-ring flanges through a fastener; a flange annularly arranged on the end face of one end of the limiting shaft sleeve is fixedly connected with a flange annularly arranged on the bottom end face of the rake frame center shaft through a fastener. A flange annularly arranged on the end face of one end of the limiting shaft is fixedly connected with the top of the flange connecting base through a fastener, and the other end of the limiting shaft is inserted into the limiting shaft sleeve. The bottom of the flange connecting seat is fixedly connected with the flange base through a fastener; and the flange base is welded on the underflow cylinder. The positions of the limiting shaft sleeve and the limiting shaft can be interchanged.

Description

Technical Field

[0001] The present application belongs to the technical field of mining machinery and equipment manufacturing, and specifically relates to a thickener rake frame limiting device. Background Art

[0002] The thickener rake device is a top-suspended drive structure. Generally, a limit seat is welded in the bottom flow tube of the pool, and the bottom end of the rake center shaft is fitted with the limit seat to limit the deflection of the rake and prevent interference. However, after the thickener has been running for a certain period of time, the limit shaft and the limit sleeve of the sleeve will wear out due to various reasons. The existing structure cannot simply and quickly replace the limit shaft and the limit sleeve. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a thickener rake frame limiting device. In order to achieve the above purpose, the technical solution provided by the utility model is:

[0004] The thickener rake frame limiting device comprises a rake frame central shaft (1), a limiting shaft sleeve (2), a limiting shaft (3), a flange connection seat (4), a flange base (5) and an underflow tube (6); the bottom end surface of the rake frame central shaft (1) is provided with a flange, the end surface of one end of the limiting shaft sleeve (2) is provided with a flange, and the end surface of one end of the limiting shaft (3) is provided with a flange; the flange connection seat (4) is formed by two half-ring flanges symmetrically fastened and connected by fasteners; the flange provided on the end surface of one end of the limiting shaft sleeve (2) is fixedly connected to the flange provided on the bottom end surface of the rake frame central shaft (1) by fasteners; the flange provided on the end surface of one end of the limiting shaft (3) is fixedly connected to the top of the flange connection seat (4) by fasteners, and the other end of the limiting shaft (3) is inserted into the limiting shaft sleeve (2); the bottom of the flange connection seat (4) is fixedly connected to the flange base (5) by fasteners; and the flange base (5) is welded to the underflow tube (6).

[0005] Preferably, the fastener is a bolt.

[0006] Preferably, the limiting shaft sleeve (2) is integrally formed; and the limiting shaft (3) is integrally formed.

[0007] In another embodiment, the positions of the limiting shaft sleeve (2) and the limiting shaft (3) can be interchanged. Specifically, the technical solution is as follows:

[0008] The thickener rake frame limiting device comprises a rake frame central axis (1), a limiting shaft sleeve (2), a limiting shaft (3), a flange connection seat (4), a flange base (5) and an underflow tube (6); the bottom end surface of the rake frame central axis (1) is provided with a flange, the end surface of one end of the limiting shaft sleeve (2) is provided with a flange, and the end surface of one end of the limiting shaft (3) is provided with a flange; the flange connection seat (4) is formed by two half-ring flanges symmetrically fastened and connected by fasteners; the flange provided on the end surface of one end of the limiting shaft (3) is fixedly connected to the flange provided on the bottom end surface of the rake frame central axis (1) by fasteners; the flange provided on the end surface of one end of the limiting shaft sleeve (2) is fixedly connected to the top of the flange connection seat (4) by fasteners, and the other end of the limiting shaft (3) is inserted into the limiting shaft sleeve (2); the bottom of the flange connection seat (4) is fixedly connected to the flange base (5) by fasteners; and the flange base (5) is welded to the underflow tube (6).

[0009] Preferably, the fastener is a bolt.

[0010] Preferably, the limiting shaft sleeve (2) is integrally formed; and the limiting shaft (3) is integrally formed.

[0011] The utility model is further described below:

[0012] In the utility model, the limiting shaft and the limiting sleeve are both integral, ensuring the relative stability of the two during operation, and the positions of the two can be interchanged. The limiting sleeve (or limiting shaft) installed in a flange type is connected to the flange at the bottom of the center shaft of the rake frame by bolts. The limiting shaft (or limiting sleeve) installed in a flange type is connected to the flange connection seat by bolts. The flange connection seat is connected to the flange base welded at the center of the underflow tube by bolts. The flange connection seat is a half-connector, which is convenient for disassembly and assembly when replacing the limiting shaft (or limiting sleeve).

[0013] by Figure 1 For example, the working principle of the thickener rake frame limit device described in the utility model is as follows: the limit sleeve 2 is fastened to the bottom of the rake frame center axis 1; one end of the limit shaft 3 is fastened to the upper flange of the flange connection seat 4, and the other end is inserted into the limit sleeve 2; the flange connection seat 4 is fastened to the flange base 5; the flange base 5 is welded to the bottom plate of the underflow tube 6. The limit sleeve 2 rotates along the rake frame center axis 1 and along the limit shaft 3, and the limit shaft 3, the flange connection seat 4, the flange base 5 and the underflow tube 6 are a whole. The limit shaft 3 is inserted into the limit sleeve 2 to limit the deflection of the rotating rake frame center axis 1. When the limit sleeve 2 and the limit shaft 3 need to be replaced, the fasteners on the two symmetrical semi-ring flange connection seats 4 are loosened, and then removed from both sides respectively, and the limit shaft 3 is separated from the inserted part of the limit sleeve 2, which can be quickly and conveniently aligned for replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1A cross-sectional view of an embodiment of the utility model;

[0015] Figure 2 It is a three-dimensional diagram of an implementation mode of the utility model.

[0016] In the figure: 1. Central axis of the rake frame; 2. Limiting shaft sleeve; 3. Limiting shaft; 4. Flange connecting seat; 5. Flange base; 6. Underflow tube. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments. Example

[0018] See also Figure 1 and Figure 2 The thickener rake frame limiting device includes a rake frame central axis 1, a limiting shaft sleeve 2, a limiting shaft 3, a flange connection seat 4, a flange base 5 and an underflow tube 6; the bottom end face of the rake frame central axis 1 is ringed with a flange, the end face of one end of the limiting shaft sleeve 2 is ringed with a flange, and the end face of one end of the limiting shaft 3 is ringed with a flange; the flange connection seat 4 is formed by two half-ring flanges symmetrically fastened and connected by fasteners; the flange arranged on the end face of one end of the limiting shaft sleeve 2 is fixedly connected to the flange arranged on the bottom end face of the rake frame central axis 1 through fasteners; the flange arranged on the end face of one end of the limiting shaft 3 is fixedly connected to the top of the flange connection seat 4 through fasteners, and the other end of the limiting shaft 3 is inserted into the limiting shaft sleeve 2; the bottom of the flange connection seat 4 is fixedly connected to the flange base 5 through fasteners; the flange base 5 is welded to the underflow tube 6.

[0019] Wherein, the fastener is a bolt. The limiting sleeve 2 is integrally formed; the limiting shaft 3 is integrally formed. Example

[0020] The thickener rake frame limiting device includes a rake frame central axis 1, a limiting shaft sleeve 2, a limiting shaft 3, a flange connection seat 4, a flange base 5 and an underflow tube 6; the bottom end face of the rake frame central axis 1 is ringed with a flange, the end face of one end of the limiting shaft sleeve 2 is ringed with a flange, and the end face of one end of the limiting shaft 3 is ringed with a flange; the flange connection seat 4 is formed by two half-ring flanges symmetrically fastened and connected by fasteners; the flange arranged on the end face of one end of the limiting shaft 3 is fixedly connected to the flange arranged on the bottom end face of the rake frame central axis 1 through fasteners; the flange arranged on the end face of one end of the limiting shaft sleeve 2 is fixedly connected to the top of the flange connection seat 4 through fasteners, and the other end of the limiting shaft 3 is inserted into the limiting shaft sleeve 2; the bottom of the flange connection seat 4 is fixedly connected to the flange base 5 through fasteners; the flange base 5 is welded to the underflow tube 6.

[0021] Wherein, the fastener is a bolt. The limiting sleeve 2 is integrally formed; the limiting shaft 3 is integrally formed.

Claims

1. A thickener rake frame limiting device, characterized in that: The thickener rake frame limiting device comprises a rake frame central shaft (1), a limiting shaft sleeve (2), a limiting shaft (3), a flange connection seat (4), a flange base (5) and an underflow tube (6); the bottom end surface of the rake frame central shaft (1) is provided with a flange, the end surface of one end of the limiting shaft sleeve (2) is provided with a flange, and the end surface of one end of the limiting shaft (3) is provided with a flange; the flange connection seat (4) is formed by two half-ring flanges symmetrically fastened and connected by fasteners; the flange provided on the end surface of one end of the limiting shaft sleeve (2) is fixedly connected to the flange provided on the bottom end surface of the rake frame central shaft (1) by fasteners; the flange provided on the end surface of one end of the limiting shaft (3) is fixedly connected to the top of the flange connection seat (4) by fasteners, and the other end of the limiting shaft (3) is inserted into the limiting shaft sleeve (2); the bottom of the flange connection seat (4) is fixedly connected to the flange base (5) by fasteners; and the flange base (5) is welded to the underflow tube (6).

2. The thickener rake limiter device according to claim 1, characterized in that: The fastener is a bolt.

3. The thickener rake limiter device according to claim 1, characterized in that: The limiting shaft sleeve (2) is integrally formed; and the limiting shaft (3) is integrally formed.

4. A thickener rake frame limiting device, characterized in that: The thickener rake frame limiting device comprises a rake frame central axis (1), a limiting shaft sleeve (2), a limiting shaft (3), a flange connection seat (4), a flange base (5) and an underflow tube (6); the bottom end surface of the rake frame central axis (1) is provided with a flange, the end surface of one end of the limiting shaft sleeve (2) is provided with a flange, and the end surface of one end of the limiting shaft (3) is provided with a flange; the flange connection seat (4) is formed by two half-ring flanges symmetrically fastened and connected by fasteners; the flange provided on the end surface of one end of the limiting shaft (3) is fixedly connected to the flange provided on the bottom end surface of the rake frame central axis (1) by fasteners; the flange provided on the end surface of one end of the limiting shaft sleeve (2) is fixedly connected to the top of the flange connection seat (4) by fasteners, and the other end of the limiting shaft (3) is inserted into the limiting shaft sleeve (2); the bottom of the flange connection seat (4) is fixedly connected to the flange base (5) by fasteners; and the flange base (5) is welded to the underflow tube (6).

5. The thickener rake limiter device according to claim 4, characterized in that: The fastener is a bolt.

6. The thickener rake limiter device according to claim 4, characterized in that: The limiting shaft sleeve (2) is integrally formed; and the limiting shaft (3) is integrally formed.

Images