Grinding roller dismounting device of vertical mill
By designing a vertical mill grinding roller disassembly device including a device frame, a disassembly seat and a universal wheel, the existing device has solved the problem of inconvenience in clamping and complex lifting of grinding rollers of different sizes, and achieved more efficient grinding roller disassembly process.
Patent Information
- Application Number
- CN202420892952.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-27
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-04-27
AI Technical Summary
The existing vertical mill grinding roller removal device is not convenient for clamping and fixing grinding rollers of different sizes, and when removing the grinding rollers, it needs to be lifted vertically and moved horizontally, which is time-consuming and labor-intensive.
A vertical mill grinding roller disassembly device is designed, including the first and second device frames, disassembly seats, universal wheels and adjustment rods. Through the coordination of the adjustment rod and the moving block, flexible clamping and position adjustment of the grinding roller can be achieved; the design of the universal wheel and the disassembly seat simplifies the lifting and displacement process of the grinding roller.
This device facilitates fixing and disassembling of grinding rollers of different sizes. When removing the grinding rollers, there is no need to lift them vertically. The disassembly device is directly removed, which significantly saves time and labor.
Smart Images

Figure CN222472357U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vertical mills, in particular to a grinding roller disassembly device for a vertical mill. Background Art
[0002] Vertical roller grinding machine, also known as vertical mill, is used for grinding cement raw materials, cement clinker, slag and coal cinder. It has the characteristics of simple structure, low manufacturing and use cost. It includes a machine body, a grinding disc device and a transmission device. The grinding roller of the vertical mill is used for a long time and needs to be lifted and placed on a disassembly device for transfer and maintenance.
[0003] The commonly used vertical mill roller disassembly device currently has the following defects: it is not convenient to clamp and fix vertical mill rollers of different sizes, and when removing the roller from the disassembly device, the roller needs to be vertically lifted a certain distance and then moved horizontally to other positions, which is time-consuming and labor-intensive. Therefore, we propose a vertical mill roller disassembly device to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a vertical mill grinding roller disassembly device to solve the problem that the currently commonly used vertical mill grinding roller disassembly device proposed in the above background technology is not convenient for clamping and fixing vertical mill grinding rollers of different sizes, and when removing the grinding roller from the disassembly device, the grinding roller needs to be vertically lifted a certain distance and then horizontally moved to other positions, which is time-consuming and labor-intensive.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vertical mill roller disassembly device, comprising:
[0006] A first device frame, a second device frame being rotatably mounted on the right side of the first device frame;
[0007] A disassembly seat, wherein the first device frame and the second device frame are both provided with a disassembly seat slidably mounted left and right, and the top of the disassembly seat is fixedly connected to a limiting frame, and the grinding roller body is placed on the top of the limiting frame;
[0008] Second universal wheels, with second universal wheels installed on both the front and rear sides of the bottom of the disassembly seat;
[0009] A hollow groove is provided inside the first device frame, and a limiting block is fixedly connected to the front side of the second device frame, and the limiting block is inserted into the inside of the hollow groove.
[0010] Preferably, adjustment rods are rotatably mounted inside the first device frame and the second device frame, and the outer surfaces of the adjustment rods are in a bidirectional threaded structure.
[0011] Preferably, the connection between the adjusting rod and the moving block is a threaded connection, and the moving block slides back and forth inside the first device frame and the second device frame.
[0012] Preferably, a moving rod is rotatably mounted on the inner side of the moving block, and one end of the moving rod away from the moving block is hinged to the outer side of the disassembly seat.
[0013] Preferably, the inner surface of the limiting frame is tightly fitted with the outer surface of the grinding roller body.
[0014] Preferably, handles are provided on the tops of the first device frame and the second device frame.
[0015] Preferably, first universal wheels are installed on both the front and rear sides of the bottom of the first device frame and the second device frame.
[0016] Preferably, a connecting frame is slidably mounted up and down inside the first device frame, and a spring is connected to the outer side of the connecting frame to reset the connecting frame upward.
[0017] Preferably, the interior of the limit block is a hole-shaped structure, and the connecting frame is inserted into the interior of the limit block.
[0018] Preferably, the foot plate is fixedly connected to the bottom of the connecting frame.
[0019] Compared with the prior art, the utility model has the following beneficial effects: the vertical mill roller disassembly device is convenient for clamping and fixing vertical mill rollers of different sizes, and when removing the roller from the disassembly device, it is not necessary to vertically lift the roller for a certain distance, and the disassembly device can be directly removed after lifting, which saves time and effort;
[0020] The position of the limit frame is adjusted according to the size of the grinding roller body, and the adjusting rod is rotated. The outer surface of the adjusting rod is a two-way threaded structure, and the outer thread of the adjusting rod is connected with a moving block, so that the adjusting rod drives the moving block to move inward by rotating, and the moving block drives the disassembly seat to move left and right through the moving rod, so that the position of the limit frames on the left and right sides is adjusted. After the position of the limit frame is adjusted, the crane hoists the grinding roller body to the inner side of the limit frame;
[0021] Push the handle to move the first device frame and the second device frame. The bottom of the first device frame and the second device frame is provided with a first universal wheel, and the bottom of the disassembly seat is provided with a second universal wheel, so that when the grinding roller body is placed on the disassembly seat, it is supported by the second universal wheel;
[0022] After pushing the device to move to the specified position, the grinding roller body is lifted vertically by the crane, and the foot plate is stepped down to make the foot plate drive the connecting frame to move downward, so that the connecting frame is separated from the limit block, and the first device frame and the second device frame can be rotated and opened, so that the device can be moved out of the outside of the grinding roller body after opening, and the crane can directly put down the grinding roller body without transferring the grinding roller body in the horizontal direction. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a schematic diagram of the utility model in a top view and cutaway structure;
[0024] Figure 2 This is a schematic diagram of a top view of a cross-sectional structure of the connection between the first device frame and the second device frame of the utility model;
[0025] Figure 3 This is a schematic diagram of the side cutaway structure of the utility model;
[0026] Figure 4 This is a front section structural diagram of the connection between the limit frame and the grinding roller body of the utility model;
[0027] Figure 5 This is a schematic diagram of the three-dimensional structure of the second device frame and the limit block connected to the utility model;
[0028] Figure 6 This is a schematic diagram of a three-dimensional structure of the first device frame and the second device frame connected to each other in the utility model;
[0029] Figure 7 It is a front cutaway structural diagram of the connection between the limit block and the connecting frame of the utility model.
[0030] In the figure: 1. first device frame; 2. second device frame; 3. adjustment rod; 4. moving block; 5. moving rod; 6. disassembly seat; 7. limit frame; 8. grinding roller body; 9. handle; 10. first universal wheel; 11. second universal wheel; 12. hollow groove; 13. limit block; 14. connecting frame; 15. spring; 16. foot plate. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0032] See also Figure 1-7The utility model provides a technical solution: a vertical mill roller disassembly device, comprising: a first device frame 1, a second device frame 2 is rotatably mounted on the right side of the first device frame 1; a disassembly seat 6, the disassembly seat 6 is slidably mounted inside the first device frame 1 and the second device frame 2, the top of the disassembly seat 6 is fixedly connected to the limit frame 7, and the grinding roller body 8 is placed on the top of the limit frame 7; a second universal wheel 11, the second universal wheel 11 is mounted on both the front and rear sides of the bottom of the disassembly seat 6; a hollow groove 12 is opened inside the first device frame 1, and a limit block 13 is fixedly connected to the front side of the second device frame 2, and the limit block 13 is inserted into the hollow groove 12. An adjusting rod 3 is rotatably mounted inside the first device frame 1 and the second device frame 2, and the outer surface of the adjusting rod 3 is a bidirectional threaded structure. The connection between the adjusting rod 3 and the moving block 4 is a threaded connection, and the moving block 4 slides back and forth inside the first device frame 1 and the second device frame 2. A moving rod 5 is rotatably mounted on the inner side of the moving block 4, and the end of the moving rod 5 away from the moving block 4 is hinged to the outer side of the disassembly seat 6. The inner surface of the limit frame 7 is tightly fitted with the outer surface of the grinding roller body 8. The tops of the first device frame 1 and the second device frame 2 are both provided with handles 9. The first universal wheels 10 are installed on both the front and rear sides of the bottoms of the first device frame 1 and the second device frame 2. A connecting frame 14 is installed inside the first device frame 1 to slide up and down, and a spring 15 is connected to the outside of the connecting frame 14 to reset it upward. The interior of the limit block 13 is a hole-shaped structure, and the connecting frame 14 is inserted into the interior of the limit block 13. The foot plate 16 is fixedly connected to the bottom of the connecting frame 14.
[0033] When using the vertical mill roller removal device, Figure 1-Figure 7 The position of the limit frame 7 is adjusted according to the size of the grinding roller body 8, and the adjusting rod 3 is rotated. The outer surface of the adjusting rod 3 is a two-way threaded structure, and the outer thread of the adjusting rod 3 is connected with a moving block 4, so that the adjusting rod 3 drives the moving block 4 to move inward by rotating, and the moving block 4 drives the disassembly seat 6 to move left and right through the moving rod 5, so that the position of the limit frames 7 on the left and right sides is adjusted. After the position of the limit frames 7 is adjusted, the crane hoists the grinding roller body 8 on the inner side of the limit frame 7;
[0034] The handle 9 is pushed to move the first device frame 1 and the second device frame 2. The first device frame 1 and the second device frame 2 are provided with a first universal wheel 10 at the bottom, and a second universal wheel 11 is provided at the bottom of the disassembly seat 6, so that when the grinding roller body 8 is placed on the disassembly seat 6, it is supported by the second universal wheel 11;
[0035] After pushing the device to move to the specified position, the grinding roller body 8 is lifted vertically by the crane, and the foot plate 16 is stepped down, so that the foot plate 16 drives the connecting frame 14 to move downward, and the connecting frame 14 is separated from the limit block 13, so that the first device frame 1 and the second device frame 2 can be rotated and opened, so that the device can be moved out of the outside of the grinding roller body 8 after opening, and the crane can directly put down the grinding roller body 8 without transferring the grinding roller body 8 in the horizontal direction. This is the entire working process of the vertical mill grinding roller disassembly device.
[0036] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.
[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A vertical mill roller disassembly device, characterized in that: include: A first device frame (1), a second device frame (2) being rotatably mounted on the right side of the first device frame (1); A disassembly seat (6), wherein the first device frame (1) and the second device frame (2) are both provided with a disassembly seat (6) slidably mounted left and right, and the top of the disassembly seat (6) is fixedly connected to a limiting frame (7), and a grinding roller body (8) is placed on the top of the limiting frame (7); A second universal wheel (11), wherein the second universal wheel (11) is installed on both the front and rear sides of the bottom of the disassembly seat (6); A hollow groove (12) is provided inside the first device frame (1), and a limiting block (13) is fixedly connected to the front side of the second device frame (2), and the limiting block (13) is inserted into the inside of the hollow groove (12).
2. The vertical mill roller disassembly device according to claim 1, characterized in that: An adjusting rod (3) is rotatably mounted inside the first device frame (1) and the second device frame (2), and the outer surface of the adjusting rod (3) is a bidirectional threaded structure.
3. The vertical mill roller disassembly device according to claim 2, characterized in that: The adjustment rod (3) and the moving block (4) are connected in a threaded manner, and the moving block (4) slides forward and backward inside the first device frame (1) and the second device frame (2).
4. The vertical mill roller disassembly device according to claim 3 is characterized in that: A moving rod (5) is rotatably mounted on the inner side of the moving block (4), and one end of the moving rod (5) away from the moving block (4) is hinged to the outer side of the disassembly seat (6).
5. The vertical mill roller disassembly device according to claim 1, characterized in that: The inner surface of the limiting frame (7) is tightly fitted to the outer surface of the grinding roller body (8).
6. The vertical mill roller disassembly device according to claim 1, characterized in that: The tops of the first device frame (1) and the second device frame (2) are both provided with handles (9).
7. The vertical mill roller disassembly device according to claim 1, characterized in that: First universal wheels (10) are installed on both the front and rear sides of the bottom of the first device frame (1) and the second device frame (2).
8. The vertical mill roller disassembly device according to claim 1, characterized in that: A connecting frame (14) is installed inside the first device frame (1) so as to slide up and down, and a spring (15) for resetting the connecting frame (14) is connected to the outside of the connecting frame (14).
9. The vertical mill roller disassembly device according to claim 8, characterized in that: The interior of the limiting block (13) is a hole-shaped structure, and the connecting frame (14) is inserted into the interior of the limiting block (13).
10. The vertical mill roller disassembly device according to claim 8, characterized in that: Also includes: A foot plate (16), wherein the foot plate (16) is fixedly connected to the bottom of the connecting frame (14).