Lifting device and lifting translation structure for large mill

Abstract

The utility model discloses a lifting device and a lifting translation structure for a large mill. The lifting device comprises a platform, a lifting opening is formed in the middle of the platform, a mounting frame is arranged at the upper end of the platform, a sliding structure is arranged on the mounting frame, and a lifting device is arranged on the sliding structure; wherein the sliding structure comprises a sliding rail fixed on the mounting frame, and an electric hoist is arranged on the sliding rail; an extending end is arranged on one side of the sliding rail, extends out of the mounting frame and is arranged on the platform. The grinding machine top cover lifting platform has the beneficial effects that a large-weight grinding machine top cover can be automatically lifted away, a grinding machine can be automatically opened, meanwhile, the grinding machine top cover can be placed on the platform through the extending ends of the sliding rails, it is not affected that a worker adds grinding materials into the grinding machine, after the grinding materials are added, the grinding machine top cover is lifted away, and use is very convenient.

Description

Technical Field

[0001] The utility model relates to a lifting device and a lifting translation structure for a large grinding mill, belonging to the field of lifting equipment. Background Art

[0002] A vertical roller mill, also known as a vertical mill, is used for grinding cement raw materials, cement clinker, slag, and coal cinder. It features a simple structure and low manufacturing and operating costs. It consists of a machine body, a grinding disc assembly, and a transmission mechanism. A centering structure is located between the machine body and the grinding disc assembly to determine the center of rotation. A rotating guide rail is fixed to the bottom of the grinding disc assembly, which rotatably supports the grinding disc assembly on the machine body. The grinding disc assembly is connected to the transmission mechanism. Because the transmission mechanism does not bear high axial loads such as the weight of the grinding disc and grinding pressure, it can utilize a universal reducer. This results in a compact and reliable structure, shortened grinding downtime, and reduced equipment operation and maintenance costs.

[0003] Since the vertical roller mill is an ultra-large mechanized equipment, the top cover of the mill is very heavy and cannot be opened by manpower, so it is necessary to use lifting equipment to lift the top cover away. Utility Model Content

[0004] The purpose of the utility model is to provide a lifting device and a lifting translation structure for a large grinding mill, which can effectively solve the above-mentioned problems.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] It includes a platform, a lifting port is provided in the middle position of the platform, a mounting frame is provided at the upper end of the platform, a sliding structure is provided on the mounting frame, and a lifting device is provided on the sliding structure; wherein, the sliding structure includes a slide rail fixed on the mounting frame, and an electric hoist is provided on the slide rail; an extension end is provided on one side of the slide rail, and the extension end extends out of the mounting frame and is provided above the platform.

[0007] Further: a connecting plate is provided at the lower end of the electric hoist, the lifting device is fixed at the lower end of the connecting plate, the lifting device includes a mounting shell, a motor is provided on the mounting shell, a take-up frame is provided at the output end of the motor, a steel cable is wound around the take-up frame, and a hook is provided on the steel cable.

[0008] Further: the mounting shell includes a top shell fixed to the connecting plate, vertical plates are provided on the front and rear ends of the top shell, hanging holes are provided on the vertical plates, a hook is provided on the hanging hole, one end of the hook is connected to the end of the steel cable, and the hook is provided on the steel cable through a roller mechanism.

[0009] Furthermore: the roller mechanism includes mounting plates, a rotating shaft is provided between the mounting plates, and a roller is keyed to the rotating shaft.

[0010] Furthermore: a lifting rope is provided on the lifting hook, and hooks are provided at both ends of the lifting rope.

[0011] Furthermore: the hook, the lifting hook and the pulling hook are all automatically closed.

[0012] Furthermore: the mounting frame includes a bottom frame, two door frames are symmetrically arranged on the upper end of the bottom frame, and the slide rail is fixed on the door frames.

[0013] The beneficial effects are:

[0014] The heavy mill cover can be automatically lifted away and the mill can be opened. At the same time, the mill cover can be placed on the platform using the extended end of the slide rail, which does not affect the staff adding abrasives to the mill. After the abrasives are added, the mill cover can be lifted over, which is very convenient to use.

[0015] A hook is fixed at the end of the steel cable, which is then hung in the hanging hole on the vertical plate through the hook. At this time, the steel cable will form a "V"-shaped structure, and the hook is set in the "V"-shaped structure through a roller mechanism; this forms a movable pulley structure, which can help the steel cable avoid strong shaking when lifting the mill top cover.

[0016] A lifting rope is also provided on the lifting hook, and hooks are provided at both ends of the lifting rope. The reason for this arrangement is that the top cover of the mill has two handles. In order to ensure the stability of the top cover of the mill during lifting, two hooks need to be provided. However, only one hook can be provided at the lower end of the roller mechanism, which cannot meet the use conditions. Therefore, a lifting rope is provided in this device, and hooks are provided at both ends of the lifting rope. When in use, the lifting hook lifts the lifting rope, and the hooks on the lifting rope lift the two handles on the top cover of the mill. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] For ease of explanation, the present invention is described in detail with reference to the following specific implementations and accompanying drawings.

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 for Figure 1 Middle partial enlarged view;

[0020] Figure 3 This is the parts diagram of the mounting bracket;

[0021] Figure 4 This is the parts drawing of the lifting device.

[0022] Description of reference numerals:

[0023] 1. Platform; 2. Mounting frame; 21. Bottom frame; 22. Door frame; 3. Sliding structure; 31. Slide rail; 32. Electric hoist; 4. Lifting device; 41. Mounting shell; 411. Top shell; 412. Vertical plate; 413. Hanging hole; 42. Motor; 43. Take-up frame; 44. Steel cable; 45. Hook; 46. Hook; 47. Lifting rope; 48. Draw hook; 5. Connecting plate; 6. Roller mechanism; 61. Mounting plate; 62. Rotating shaft; 63. Roller. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0025] It should be noted that, in the description of the present invention, unless otherwise specified, “plurality” means two or more; the terms “upper”, “lower”, “left”, “right”, “inside”, “outside”, “front end”, “rear end”, “head”, “tail”, etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and are not intended to imply that the lifting device and lifting translation structure for a large grinding mill must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present invention.

[0026] Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and are not to be understood as indicating or implying relative importance.

[0027] At the same time, in the description of this utility model, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, it can mean fixed connection, detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0028] See Figure 1-4 This is an embodiment of a lifting device and a lifting translation structure for a large grinding mill of the utility model.

[0029] It includes a platform 1, a lifting port is provided in the middle position of the platform 1, a mounting frame 2 is provided at the upper end of the platform 1, a sliding structure 3 is provided on the mounting frame 2, and a lifting device 4 is provided on the sliding structure 3; wherein, the sliding structure 3 includes a slide rail 31 fixed on the mounting frame 2, and an electric hoist 32 is provided on the slide rail 31; an extension end is provided on one side of the slide rail 31, the extension end extends out of the mounting frame 2 and is provided above the platform 1.

[0030] When the device is in use, the sliding structure 3 controls the lifting device 4 to move to the top of the mill cover, and then controls the lifting device 4 to be lowered, and the lifting device 4 is used to lift the mill cover, and then the mill cover is lifted up; then the sliding structure 3 is operated to drive the mill cover to move toward the extension end of the slide rail 31, at which time the mill cover will be above the platform 1, and finally the lifting device 4 is controlled to place the mill cover on the platform;

[0031] With this arrangement, the heavy mill cover can be automatically lifted away and the mill can be opened. At the same time, the extended end of the slide rail 31 can be used to place the mill cover on the platform 1 without affecting the staff from adding abrasives to the mill. After the abrasives are added, the mill cover can be lifted over, which is very convenient to use.

[0032] A connecting plate 5 is provided at the lower end of the electric hoist 32, and a lifting device 4 is fixed at the lower end of the connecting plate 5. The lifting device 4 includes a mounting shell 41, on which a motor 42 is provided, and a wire take-up rack 43 is provided at the output end of the motor 42. The wire take-up rack 43 is wound with a steel cable 44, and a hook 45 is provided on the steel cable 44.

[0033] When the lifting device 4 of this device is working, the motor 42 rotates forward, driving the take-up frame 43 to rotate. At this time, the steel cable 44 located on the take-up frame 43 is released, and the steel cable 44 drives the hook 45 to descend. Then, the hook 45 is hooked on the handle of the mill top cover to realize the lifting of the mill top cover.

[0034] However, the applicant found that if the steel cable 44 is directly released, when the mill cover is lifted, the entire steel cable 44 will swing back and forth due to inertia. If the sliding structure 3 slides too fast, the mill cover may hit the mounting frame 2. Therefore, the structure of the steel cable 44 is improved.

[0035] The specific improvement method is: the mounting shell 41 includes a top shell 411 fixed to the connecting plate 5, and vertical plates 412 are provided at the front and rear ends of the top shell 411. A hanging hole 413 is provided on the vertical plate 412, and a hook 46 is provided on the hanging hole 413. One end of the hook 46 is connected to the end of the steel cable 44, and the hook 45 is provided on the steel cable 44 through the roller mechanism 6.

[0036] In this arrangement, a hook 46 is fixed to the end of the steel cable 44, which is then hung in the hanging hole 413 on the vertical plate 412 through the hook 46. At this time, the steel cable 44 will form a "V"-shaped structure, and the hook 45 is set in the "V"-shaped structure through the roller mechanism 6; the movable pulley structure formed in this way can help the steel cable 44 not to shake violently when lifting the mill top cover.

[0037] The roller mechanism 6 of this device includes mounting plates 61, with a rotating shaft 62 disposed between the mounting plates 61. A roller 63 is keyed to the rotating shaft 62. When the roller mechanism 6 is in use, the roller 63 presses against the steel cable 44. When the steel cable 44 is paying out, the roller 63 rotates, causing the "V"-shaped structure to expand, lowering the position of the hook 45 to facilitate reaching the horizontal height of the mill cover, and then lifting the mill cover. When the steel cable 44 is reeling in, the roller 63 rotates, the "V"-shaped structure to shrink, and the hook 45 to rise, completing the lifting of the mill cover.

[0038] A lifting rope 47 is also provided on the lifting hook 45, and hooks 48 are provided at both ends of the lifting rope 47; the reason for this arrangement is that the top cover of the mill has two handles, and in order to ensure the stability of the top cover of the mill during lifting, two hooks 48 need to be provided; but currently only one lifting hook 45 can be provided at the lower end of the roller mechanism 6, which cannot meet the conditions of use, so a lifting rope 47 is provided in this device, and hooks 48 are provided at both ends of the lifting rope 47. When in use, the lifting hook 45 lifts the lifting rope 47, and the hooks 48 on the lifting rope lift the two handles on the top cover of the mill.

[0039] The hook 46 , the lifting hook 45 , and the draw hook 48 are all of the automatic closing type; the automatic closing type is a common structure in the field, and its purpose is to plug the gaps of the hook 46 , the lifting hook 45 , and the draw hook 48 to prevent the suspended objects from falling off the hook 46 , the lifting hook 45 , and the draw hook 48 .

[0040] The mounting frame 2 includes a bottom frame 21 , and two door frames 22 are symmetrically provided on the upper end of the bottom frame 21 , and the slide rails 31 are fixed on the door frames 22 .

[0041] The mounting frame 2 of the device has a simple structure and only requires a quadrilateral bottom frame 21 and two door frames 22 .

[0042] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A lifting device and lifting translation structure for a large grinding mill, characterized by: The invention comprises a platform (1), wherein a lifting port is provided at the middle position of the platform (1), a mounting frame (2) is provided at the upper end of the platform (1), a sliding structure (3) is provided on the mounting frame (2), and a lifting device (4) is provided on the sliding structure (3); wherein the sliding structure (3) comprises a slide rail (31) fixed on the mounting frame (2), and an electric hoist (32) is provided on the slide rail (31); an extension end is provided on one side of the slide rail (31), and the extension end extends out of the mounting frame (2) and is provided above the platform (1).

2. The lifting device and lifting translation structure for a large grinding mill according to claim 1, characterized in that: A connecting plate (5) is provided at the lower end of the electric hoist (32), the lifting device (4) is fixed to the lower end of the connecting plate (5), the lifting device (4) comprises a mounting shell (41), a motor (42) is provided on the mounting shell (41), a wire take-up frame (43) is provided at the output end of the motor (42), a steel cable (44) is wound around the wire take-up frame (43), and a hook (45) is provided on the steel cable (44).

3. The lifting device and lifting translation structure for a large grinding mill according to claim 2, characterized in that: The mounting shell (41) includes a top shell (411) fixed to the connecting plate (5), and vertical plates (412) are provided at the front and rear ends of the top shell (411). A hanging hole (413) is provided on the vertical plate (412), and a hook (46) is provided on the hanging hole (413). One end of the hook (46) is connected to the end of the steel cable (44), and the hook (45) is provided on the steel cable (44) through a roller mechanism (6).

4. The lifting device and lifting translation structure for a large grinding mill according to claim 3, characterized in that: The roller mechanism (6) comprises mounting plates (61), a rotating shaft (62) is provided between the mounting plates (61), and a roller (63) is key-connected to the rotating shaft (62).

5. The lifting device and lifting translation structure for a large grinding mill according to claim 4, characterized in that: The hook (45) is further provided with a lifting rope (47), and both ends of the lifting rope (47) are provided with a draw hook (48).

6. The lifting device and lifting translation structure for a large grinding mill according to claim 5, characterized in that: The hook (46), the lifting hook (45), and the pulling hook (48) are all of the automatic closing type.

7. The lifting device and lifting translation structure for a large grinding mill according to claim 1, characterized in that: The mounting frame (2) comprises a bottom frame (21), two door frames (22) are symmetrically arranged on the upper end of the bottom frame (21), and the slide rail (31) is fixed on the door frames (22).

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