Dismounting tool for impeller of flotation machine

By designing an impeller removal tool for flotation machines, and using a telescopic device to disassemble the impeller from the flotation machine shaft, the problems of high labor intensity and high safety risks of operators during disassembly in the prior art are solved, and a more efficient and safe disassembly and maintenance process is achieved.

CN223012370UActive Publication Date: 2025-06-24BAOTOU IRON & STEEL (GROUP) CO LTD
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Patent Information

Application Number
CN202422000748.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-19
Publication Date
2025-06-24
Estimated Expiration
2034-08-19

AI Technical Summary

Technical Problem

During the disassembly of the impeller of the existing flotation machine, the operators have high labor intensity and high safety risks, which are easy to cause chewing and wear on the spindle and the inner side of the impeller, reduce assembly accuracy, and damage to the bottom of the spindle.

Method used

A flotation machine impeller removal tool is designed, including a first side plate, a second side plate, a first fixed plate, a movable plate and a support frame. The impeller is removed from the flotation machine shaft through a telescopic device (such as a jack). It has a simple structure and is convenient to use.

Benefits of technology

It effectively reduces the labor intensity of the operators, improves the safety of the disassembly process, avoids the biting and wear of the spindle and the inside of the impeller, and improves the assembly accuracy and overall maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223012370U_ABST
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Abstract

The utility model discloses a flotation machine impeller dismounting tool, which relates to the technical field of JJF20 flotation machines, and comprises a first side plate, a second side plate, a first fixed plate, a movable plate and a support frame, a second insertion hole is formed in the second side plate, and the second insertion hole and the first insertion hole are horizontally formed; the two ends of the first fixing plate are fixedly connected with the first side plate and the second side plate correspondingly, and the first fixing plate and the first inserting hole are horizontally arranged. The two ends of the movable plate are used for being inserted into the first inserting hole and the second inserting hole correspondingly, the bottom edge of the sliding plate and the bottom edge of the first fixed plate are located on the same level, and the bottom edges of the movable plate and the first fixed plate are used for abutting against the top edge of the flotation machine impeller. The support frame is used for being fixedly connected with the first side plate and the second side plate, the support frame is arranged below the first fixed plate and the movable plate, the support frame is used for containing the telescopic device, the structure is simple, use is convenient, and the labor intensity of operators is effectively reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of JJF20 flotation machines, in particular to a disassembly tool for the impeller of a flotation machine. Background Technique

[0002] In the field of hydrometallurgy of minerals, flotation machines are the most commonly used ore separation equipment. When the flotation machine is running, the impeller is constantly stirring in the pulp for a long time. Due to the erosion of the pulp and the corrosion of the chemicals, the impeller often gets damaged and needs to be replaced. Disassembling the impeller is an important part of the maintenance process of the flotation machine. Currently, the commonly used method is to lift the flotation machine with a steel wire rope and use a sledgehammer to hit the impeller downward. This process has problems such as high labor intensity of the operators and high safety risks, seriously affecting the overall efficiency of the maintenance of the flotation machine. At the same time, problems such as gnawing wear between the main shaft and the inner side of the impeller, reduction of assembly accuracy, and damage to the bottom of the main shaft are likely to occur. Content of the Utility Model

[0003] The purpose of the utility model is to provide a disassembly tool for the impeller of a flotation machine to solve the problems existing in the above-mentioned prior art, which has a simple structure, is easy to use, and can effectively reduce the labor intensity of the operators.

[0004] To achieve the above purpose, the utility model provides the following scheme:

[0005] The utility model provides a disassembly tool for the impeller of a flotation machine, including: a first side plate, a second side plate, a first fixing plate, a movable plate and a support frame. A first jack is arranged on the first side plate; the first side plate and the second side plate have the same structure, and the first side plate and the second side plate are arranged in parallel. A second jack is arranged on the second side plate, and the second jack is horizontally arranged with the first jack; both ends of the first fixing plate are fixedly connected to the first side plate and the second side plate respectively, and the first fixing plate is horizontally arranged with the first jack; both ends of the movable plate are used to be inserted into the first jack and the second jack respectively, and the bottom edge of the movable plate and the bottom edge of the first fixing plate are located on the same horizontal plane, and the bottom edges of the movable plate and the first fixing plate are used to tightly hold the top edge of the impeller of the flotation machine; the support frame is used to be fixedly connected to the first side plate and the second side plate, and the support frame is arranged below the first fixing plate and the movable plate, and the support frame is used to place a telescopic device.

[0006] Preferably, it further includes a telescopic device, the telescopic device is a jack, the jack is used to be placed on the movable plate, and the output end of the jack is used to tightly hold the shaft of the flotation machine.

[0007] Preferably, both ends of the first fixing plate pass through the first side plate and the second side plate respectively, and the parts in contact with the first side plate and the second side plate are both connected by full penetration welding.

[0008] Preferably, the thickness of the first fixing plate is 12 - 16 mm, the height is 150 - 200 mm, the first fixing plate extends 30 - 50 mm after passing through the first side, and the first fixing plate extends 30 - 50 mm after passing through the second side.

[0009] Preferably, the movable plate has the same structure as the first fixing plate, and the distance between the first jack hole and the first fixing plate is 200 - 250 mm.

[0010] Preferably, the distance between the first side plate and the second side plate is 800 mm.

[0011] Preferably, the support frame includes a bottom plate, a second fixing plate and a third fixing plate. The first fixing plate is arranged below the first fixing plate. The second fixing plate is used to be arranged below the movable plate. The bottom plate is fixedly connected above the first fixing plate and the second fixing plate. The top surface of the bottom plate is used to place the jack.

[0012] Preferably, the distance between the first fixing plate and the second fixing plate is 1200 mm.

[0013] Preferably, the second fixing plate and the third fixing plate have the same structure as the first fixing plate.

[0014] Preferably, the distances that the two ends of the second fixing plate and the third fixing plate extend out of the first side plate and the second side plate from the two ends of the first fixing plate are the same.

[0015] The present invention has achieved the following technical effects compared with the prior art:

[0016] The present invention provides a flotation machine impeller disassembly tool. Lift the flotation machine, draw out the movable plate, place the flotation machine impeller between the first fixing plate and the second fixing plate, place a telescopic device on the bottom plate, make the output end of the telescopic device press against the flotation machine shaft, make the top of the flotation machine impeller contact the bottom edges of the first fixing plate and the movable plate, and disassemble the flotation machine impeller from the flotation machine shaft by extending the telescopic device. Remove the impeller, open the movable plate and lift out the flotation machine for subsequent operations. The structure is simple, easy to use, and effectively reduces the labor intensity of operators. Description of the Drawings

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0018] Figure 1 The front view of the impeller disassembly tool for a flotation machine provided by the present invention;

[0019] Figure 2 is Figure 1 the side view of;

[0020] Figure 3 is Figure 1 the top view of;

[0021] Figure 4 The structural schematic diagram when the impeller disassembly tool for a flotation machine provided by the present invention is in use;

[0022] In the figure: 1. First side plate; 2. Second side plate; 3. First fixing plate; 4. Movable plate; 5. Second fixing plate; 6. Third fixing plate; 7. Bottom plate; 8. Flotation machine; 9. Flotation machine impeller; 10. Flotation machine shaft; 11. Jack. Detailed implementation manners

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0024] The purpose of the present invention is to provide an impeller disassembly tool for a flotation machine to solve the problems existing in the above-mentioned prior art. It has a simple structure, is easy to use, and effectively reduces the labor intensity of operators.

[0025] To make the above objects, features, and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below in conjunction with the drawings and specific implementation manners.

[0026] The present invention provides an impeller 9 disassembly tool for a flotation machine, as Figures 1 to 4As shown in the figure, it includes: a first side plate 1, a second side plate 2, a first fixing plate 3, a movable plate 4 and a support frame. A first jack hole is provided on the first side plate 1; the first side plate and the second side plate 2 have the same structure, and the first side plate 1 and the second side plate 2 are arranged in parallel. A second jack hole is provided on the second side plate 2, and the second jack hole is horizontally arranged with the first jack hole; both ends of the first fixing plate 3 are fixedly connected to the first side plate 1 and the second side plate 2 respectively, and the first fixing plate 3 is horizontally arranged with the first jack hole; both ends of the movable plate 4 are respectively used to be inserted into the first jack hole and the second jack hole, and the bottom edge of the movable plate is located at the same horizontal level as the bottom edge of the first fixing plate 3, and the bottom edges of the movable plate 4 and the first fixing plate 3 are used to press against the top edge of the flotation machine impeller 9; the support frame is used to be fixedly connected to the first side plate 1 and the second side plate 2, and the support frame is arranged below the first fixing plate 3 and the movable plate 4. The support frame is used to place a telescopic device to lift the flotation machine 8, pull out the movable plate 4, place the flotation machine impeller 9 between the first fixing plate 3 and the second fixing plate 5, place a telescopic device on the bottom plate 7, make the output end of the telescopic device press against the flotation machine shaft 10, make the top of the flotation machine impeller 9 contact with the bottom edges of the first fixing plate 3 and the movable plate 4, and disassemble the flotation machine impeller 9 from the flotation machine shaft 10 by extending the telescopic device. Remove the impeller, open the movable plate 4 and lift out the flotation machine 8 for subsequent operations. The structure is simple and easy to use, effectively reducing the labor intensity of operators.

[0027] In a preferred embodiment, the flotation machine impeller 9 disassembly tool further includes a telescopic device. The telescopic device is a jack 11. The jack 11 is used to be placed on the movable plate 4, and the output end of the jack 11 is used to press against the flotation machine shaft 10. The structure is simple and the materials are easy to obtain.

[0028] In a preferred embodiment, both ends of the first fixing plate 3 respectively pass through the first side plate 1 and the second side plate 2, and the parts in contact with the first side plate 1 and the second side plate 2 are all welded by full penetration welding.

[0029] In a preferred embodiment, the thickness of the first fixing plate 3 is 12 - 16 mm, the height is 150 - 200 mm, the first fixing plate 3 extends 30 - 50 mm after passing through the first side, and the first fixing plate 3 extends 30 - 50 mm after passing through the second side. The structure is simple and the materials are easy to obtain.

[0030] In a preferred embodiment, the movable plate 4 has the same structure as the first fixing plate 3. The distance between the first jack hole and the first fixing plate 3 is 200 - 250 mm. The first jack hole on the first side plate 1 is a hole 5 mm larger than the boundary size of the movable plate 4, and the second jack hole on the second side plate 2 is a hole 5 mm larger than the boundary size of the movable plate 4.

[0031] In a preferred embodiment, the distance between the first side plate 1 and the second side plate 2 is 800 mm.

[0032] In a preferred embodiment, the support frame includes a bottom plate 7, a second fixing plate 5 and a third fixing plate 6. The first fixing plate 3 is disposed below the first fixing plate 3. The second fixing plate 5 is used to be disposed below the movable plate. The bottom plate 7 is fixedly connected above the first fixing plate 3 and the second fixing plate 5. The top surface of the bottom plate 7 is used to place the jack 11.

[0033] In a preferred embodiment, the distance between the first fixing plate 3 and the second fixing plate 5 is 1200 mm.

[0034] In a preferred embodiment, the second fixing plate 5 and the third fixing plate 6 have the same structure as the first fixing plate 3.

[0035] In a preferred embodiment, the first fixing plate 3, the second fixing plate 5 and the third fixing plate 6 are all placed vertically, and placing vertically can effectively increase the load-bearing capacity of the first fixing plate 3, the second fixing plate 5 and the third fixing plate 6.

[0036] In a preferred embodiment, the distances from the two ends of the second fixing plate 5 and the third fixing plate 6 to the two ends of the first fixing plate 3 extending out of the first side plate 1 and the second side plate 2 are the same, and the contact positions of the two ends of the second fixing plate 5 and the third fixing plate 6 with the first side plate 1 and the second side plate 2 are welded and connected by full welding.

[0037] Specific examples are used in the present utility model to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A flotation machine impeller disassembly tool, characterized by: include: A first side plate, wherein a first plug hole is provided on the first side plate; A second side plate, wherein the first side plate and the second side plate have the same structure, and the first side plate and the second side plate are arranged in parallel, and a second plug hole is arranged on the second side plate, and the second plug hole is arranged horizontally with the first plug hole; A first fixing plate, two ends of which are fixedly connected to the first side plate and the second side plate respectively, and the first fixing plate and the first jack are arranged horizontally; A movable plate, the two ends of which are respectively inserted into the first insertion hole and the second insertion hole, and the bottom edge of the movable plate is at the same level as the bottom edge of the first fixed plate, and the bottom edges of the movable plate and the first fixed plate are used to press against the top edge of the impeller of the flotation machine; as well as A support frame, the support frame is used to be fixedly connected to the first side plate and the second side plate, and the support frame is arranged below the first fixed plate and the movable plate, and the support frame is used to place the telescopic device.

2. The flotation machine impeller removal tool according to claim 1, characterized in that: It also includes a telescopic device, which is a jack. The jack is used to be placed on the movable plate, and the output end of the jack is used to tighten the flotation machine shaft.

3. The flotation machine impeller removal tool according to claim 2, characterized in that: Two ends of the first fixing plate pass through the first side plate and the second side plate respectively, and the portions contacting the first side plate and the second side plate are fully welded.

4. The flotation machine impeller removal tool according to claim 3, characterized in that: The first fixing plate has a thickness of 12-16 mm and a height of 150-200 mm. The first fixing plate extends 30-50 mm after passing through the first side, and the first fixing plate extends 30-50 mm after passing through the second side.

5. The flotation machine impeller removal tool according to claim 4, characterized in that: The movable plate has the same structure as the first fixed plate, and the distance between the first plug hole and the first fixed plate is 200-250 mm.

6. The flotation machine impeller removal tool according to claim 5, characterized in that: The distance between the first side plate and the second side plate is 800 mm.

7. The flotation machine impeller removal tool according to claim 6, characterized in that: The support frame includes a bottom plate, a second fixed plate and a third fixed plate, the first fixed plate is arranged below the first fixed plate, the second fixed plate is used to be arranged below the movable plate, the bottom plate is fixedly connected to the top of the first fixed plate and the second fixed plate, and the top surface of the bottom plate is used to place the jack.

8. The flotation machine impeller removal tool according to claim 7, characterized in that: The distance between the first fixing plate and the second fixing plate is 1200 mm.

9. The flotation machine impeller removal tool according to claim 8, characterized in that: The second fixing plate and the third fixing plate have the same structure as the first fixing plate.

10. The flotation machine impeller removal tool according to claim 9, characterized in that: The distances at which both ends of the second fixing plate and the third fixing plate extend out of the first side plate and the second side plate are the same as the distances at which both ends of the first fixing plate extend out of the first side plate and the second side plate.