Auxiliary device for replacing lining plate of rod mill

By designing an adjustable hydraulic support structure and a support seat guide mechanism, the problem that existing equipment cannot adapt to cylinders of different lengths has been solved, achieving stable support and convenient operation for replacing rod mill liners.

CN223959780UActive Publication Date: 2026-03-03中国水利水电第七工程局有限公司
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Patent Information

Application Number
CN202520421138.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-03-03
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

The existing auxiliary equipment for replacing liners in rod mills cannot be well adapted to rod mill cylinders of different lengths, resulting in unstable support.

Method used

An independently adjustable hydraulic support structure and a support base auxiliary guide mechanism were designed. The support base can be flexibly adjusted and raised and lowered by driving the telescopic rod with a hydraulic cylinder. Combined with casters and a traction frame, it is easy to move and ensures the stability and smoothness of the support.

Benefits of technology

It achieves stable support for rod mill cylinders of different lengths, improving the convenience and safety of liner replacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of maintenance equipment of a rod mill, and discloses auxiliary equipment for replacing a lining plate of the rod mill, which comprises a movable vehicle body, the movable vehicle body comprises a frame, universal wheels are respectively arranged at four corners of the bottom end of the frame, a supporting mechanism is arranged at the upper end of the frame in a matched manner, and grooves are respectively formed in the middle positions of two ends of the frame. The supporting mechanism comprises connecting blocks which are connected into the two grooves in a sliding mode. Through the design of the two hydraulic supporting structures capable of being independently adjusted, the distance between the two independent hydraulic supporting structures can be flexibly adjusted, that is, the supporting seats of the two hydraulic supporting structures can be adjusted for a longer rod mill barrel, so that the distance between the supporting seats can be increased, and the rod mill barrel can be conveniently supported. And therefore, wide-range double-point supporting can be performed on the rod mill barrel, and the supporting stability of the rod mill barrel is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of rod mill maintenance equipment, specifically to auxiliary equipment for replacing rod mill liners. Background Technology

[0002] A rod mill is a mechanical device used for grinding materials such as ores and rocks, and it is widely used in industries such as mining, building materials, and chemicals. Rod mills are generally driven by an electric motor through a reducer and peripheral large gears, or by a low-speed synchronous motor directly through peripheral large gears, which drives the cylinder to rotate. Currently, maintenance of rod mills requires the replacement of their bottom liners, necessitating the use of auxiliary equipment for rod mill liner replacement.

[0003] The existing auxiliary equipment for replacing liners in rod mills still has the following problems when in use: When the existing auxiliary equipment for replacing liners in rod mills is used, since it is usually a hydraulic support structure of fixed size, it often cannot be well adapted to rod mill cylinders of different lengths. That is, when the rod mill cylinder is too long, the support structure cannot provide stable support. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides an auxiliary device for replacing liners in rod mills, thus solving the problems mentioned in the background art.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: an auxiliary device for replacing liners in a rod mill, comprising a mobile vehicle body, the mobile vehicle body including a frame, a universal wheel installed at each of the four corners of the bottom end of the frame, a support mechanism fitted on the upper end of the frame, a groove opened at the middle of each end of the frame, the support mechanism including connecting blocks slidably connected in the two grooves, the two connecting blocks being symmetrically arranged and each fitted with a horizontal drive mechanism, a movable seat fixedly connected to the top of the connecting blocks, an installation groove opened at the middle of the top of the movable seat, a hydraulic cylinder fixedly installed in the installation groove, and a support seat fixedly connected to the movable end of the hydraulic strut at the top of the hydraulic cylinder.

[0008] As a further embodiment of this utility model: the front and rear ends of the support base are provided with auxiliary guiding mechanisms. The auxiliary guiding mechanisms include telescopic rods that are fixedly connected to the front and rear sides of the top of the movable base in a symmetrical manner. The top telescopic ends of the two telescopic rods on the same side are fixedly connected to the support base on their corresponding side.

[0009] As a further embodiment of this utility model: a traction frame is fixedly connected to the middle of each of the front and rear ends of the frame, and two sliding grooves are opened symmetrically on both sides of the top of the frame. A slider is slidably connected in the sliding groove, and the top of the two sliders on the same side is fixedly connected to the corresponding movable seat.

[0010] As a further embodiment of this utility model: the horizontal drive mechanism includes a drive motor fixedly installed at the openings of two grooves, and each of the two drive motors is fixedly connected to a screw on one of their opposing drive ends. A threaded hole is provided between the two side walls of the connecting block for the corresponding screw to be threadedly connected.

[0011] As a further improvement of this utility model: the support base is arranged in an arc shape, and a plurality of anti-slip rubber blocks are fixedly connected to the top of the support base.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. In this utility model, by setting two independently adjustable hydraulic support structures, the distance between the two independent hydraulic support structures can be flexibly adjusted. That is, for a long rod mill cylinder, the support seats of the two hydraulic support structures can be adjusted to increase the distance between them, thereby providing wide-range double-point support for the rod mill cylinder and improving its support stability.

[0014] 2. In this utility model, the auxiliary guiding mechanism with a support seat is provided. The middle part of the support seat is supported by the hydraulic strut of the hydraulic cylinder, and a telescopic rod is fixedly connected to each of the front and rear ends of the support seat. The bottom end of the telescopic rod is connected to the movable seat on the corresponding side. When the support seat is driven to rise and fall by the hydraulic strut, the telescopic rods on the front and rear sides play the role of guiding the rise and fall of the support seat, thereby improving the stability of the two support seats supporting the cylinder of the rod mill. Attached Figure Description

[0015] Figure 1 The overall three-dimensional structure of this utility model Figure 1 ;

[0016] Figure 2 The overall three-dimensional structure of this utility model Figure 2 ;

[0017] Figure 3 This is a perspective view of the mobile vehicle body of this utility model;

[0018] Figure 4 This is a perspective view of the support mechanism of this utility model.

[0019] In the diagram: 1. Moving vehicle body; 2. Support mechanism; 11. Frame; 12. Groove; 13. Caster wheel; 14. Slide rail; 15. Traction frame; 16. Drive motor; 17. Screw; 21. Slider; 22. Connecting block; 23. Threaded hole; 24. Moving seat; 25. Mounting slot; 26. Hydraulic cylinder; 27. Support seat; 28. Anti-slip rubber block; 29. ​​Telescopic rod. Detailed Implementation

[0020] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0021] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] Please see Figures 1-4In this embodiment of the utility model, the auxiliary equipment for replacing the liner of the rod mill includes a mobile vehicle body 1, which includes a frame 11. A caster wheel 13 is installed at each of the four corners of the bottom of the frame 11. A support mechanism 2 is provided on the upper end of the frame 11. A groove 12 is provided at the middle of each end of the frame 11. The support mechanism 2 includes connecting blocks 22 slidably connected to the two grooves 12. The two connecting blocks 22 are symmetrically arranged and each is equipped with a horizontal drive mechanism. A movable seat is fixedly connected to the top of the connecting blocks 22. 24. The top center of the movable seat 24 has an installation groove 25. A hydraulic cylinder 26 is fixedly installed in the installation groove 25. The movable end of the hydraulic strut at the top of the hydraulic cylinder 26 is fixedly connected to a support seat 27. The whole structure is designed with two independently adjustable hydraulic support structures. The distance between the two independent hydraulic support structures can be flexibly adjusted. That is, for a long rod mill cylinder, the support seats 27 of the two hydraulic support structures can be adjusted to increase the distance between them, thereby providing wide-range double-point support for the rod mill cylinder and improving its support stability.

[0024] The support base 27 is equipped with auxiliary guiding mechanisms at both ends. The auxiliary guiding mechanisms include telescopic rods 29 that are symmetrically fixed to the front and rear sides of the top of the movable base 24. The top telescopic ends of the two telescopic rods 29 on the same side are fixedly connected to the support base 27 on the corresponding side. The support base 27 is equipped with auxiliary guiding mechanisms, that is, the middle part of the support base 27 is supported by the hydraulic strut of the hydraulic cylinder 26, and each of the front and rear ends of the support base 27 is fixedly connected to a telescopic rod 29. The bottom end of the telescopic rod 29 is connected to the movable base 24 on the corresponding side. When the support base 27 is driven to rise and fall by the hydraulic strut, the telescopic rods 29 on the front and rear sides play a guiding role in the rise and fall of the support base 27, thereby improving the stability of the two support bases 27 supporting the cylinder of the rod mill.

[0025] A towing frame 15 is fixedly connected to the middle of each of the front and rear ends of the frame 11. The frame 11 can be moved by towing the towing frame 15 with a towing vehicle to move it to the bottom of the rod mill where the liner is to be replaced. Two sliding grooves 14 are opened symmetrically on both sides of the top of the frame 11. A slider 21 is slidably connected in the sliding groove 14. The top of the two sliders 21 on the same side is fixedly connected to the corresponding moving seat 24. The bottom of the moving seat 24 is fixedly connected to two sliders 21 that are slidably connected in the sliding groove 14, which improves the stability of the moving seat 24 when it moves.

[0026] The horizontal drive mechanism includes a drive motor 16 fixedly installed at the opening of two grooves 12. Each of the two drive motors 16 is fixedly connected to a screw 17 on one side of the drive end facing each other. A threaded hole 23 is opened between the two side walls of the connecting block 22 for threaded connection of the corresponding screw 17. The drive motor 16 drives the screw 17 to rotate, which can drive the corresponding connecting block 22 to move along the groove 12, thereby realizing the movement of the support seat 27 and adjusting the distance between the two support seats 27.

[0027] The support base 27 is arc-shaped, and multiple anti-slip rubber blocks 28 are fixedly connected to the top of the support base 27. The multiple anti-slip rubber blocks 28 play an anti-slip role when supporting the cylinder of the rod mill.

[0028] The working principle of this utility model is as follows: the towing vehicle can tow the towing frame 15 to move the frame 11 to the bottom of the rod mill where the liner is to be replaced. The drive motor 16 drives the screw 17 to rotate, which can drive the corresponding connecting block 22 to move along the groove 12, thereby moving the support seat 27. The distance between the two support seats 27 can be adjusted. After being adjusted to a suitable position, the middle of the support seat 27 is supported by the hydraulic strut of the hydraulic cylinder 26. The support seat 27 can support the rod mill cylinder and detach it from the liner at the bottom. Multiple anti-slip rubber blocks 28 play an anti-slip role when supporting the rod mill cylinder. Since the rod mill cylinder is detached from the liner at the bottom, the operator can easily replace the rod mill liner.

[0029] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A rod mill liner replacement auxiliary device, comprising a mobile vehicle body (1), the mobile vehicle body (1) comprising a vehicle frame (11), four universal wheels (13) being installed at the bottom corners of the vehicle frame (11); characterized in that A support mechanism (2) is arranged at the upper end of the vehicle frame (11), two recesses (12) are formed in the middle of the two ends of the vehicle frame (11), and the support mechanism (2) comprises a connecting block (22) slidably connected in the two recesses (12); The two connecting blocks (22) are arranged in a symmetrical manner and are each provided with a horizontal drive mechanism, the connecting block (22) is fixedly connected with a moving seat (24) at the top end, and an installation slot (25) is formed in the middle of the top end of the moving seat (24); A hydraulic cylinder (26) is fixedly installed in the installation slot (25), a support seat (27) is fixedly connected to the movable end of the hydraulic cylinder (26), and an auxiliary guide mechanism is arranged on the front and rear ends of the support seat (27).

2. A rod mill liner changing aid according to claim 1, characterized in that: A traction frame (15) is fixedly connected to the middle of each of the front and rear ends of the vehicle frame (11).

3. The rod mill liner changing aid according to claim 1, characterized in that: Two slide grooves (14) are formed in the top end of the vehicle frame (11) in a front-rear symmetrical manner.

4. A rod mill liner changing aid according to claim 3, characterized in that: A sliding block (21) is slidably connected in the slide groove (14), and the top end of each of the two sliding blocks (21) on the same side is fixedly connected with the corresponding moving seat (24) on the same side.

5. The rod mill liner changing aid according to claim 1, characterized in that: The horizontal drive mechanism comprises a drive motor (16) fixedly installed at the opening of each of the two recesses (12), one screw rod (17) is fixedly connected to the drive end of each of the two drive motors (16) on the same side, and a threaded hole (23) is formed between the two side walls of the connecting block (22) for threaded connection of the corresponding screw rod (17) on the same side.

6. The rod mill liner changing aid according to claim 1, characterized in that: The auxiliary guide mechanism comprises telescopic rods (29) fixedly connected to the top front and rear sides of the moving seat (24) in a front-rear symmetrical manner, and the top telescopic end of each of the two telescopic rods (29) on the same side is fixedly connected with the corresponding support seat (27) on the same side.

7. The rod mill liner changing aid according to claim 1, characterized in that: The support seat (27) is arranged in an arc shape, and a plurality of anti-skid rubber blocks (28) are fixedly connected to the top end of the support seat (27).