Coal mill base, coal mill and coal mill base fixing method

Abstract

The invention discloses a coal mill base which comprises a base body, the top of the base body is in sliding connection with a supporting base with the base body as a circle, a worm gear ring is fixed to the middle of the outer wall of the base body, two fixing lugs are fixed to the bottom of the supporting base, the same worm is rotationally arranged between the two fixing lugs, and the worm is matched with the worm gear ring. A clamping mechanism is mounted at the top of the supporting seat, supporting legs are fixed to the top of the supporting seat, a limiting platform is fixed to the tops of the supporting legs, the clamping mechanism comprises a mounting shell fixed to the top of the supporting seat, a two-way lead screw is rotationally arranged in the mounting shell, and two adaptive blocks are symmetrically mounted on the two-way lead screw; a lead screw nut hole matched with the two-way lead screw is formed in the adaptation block, installation blocks are fixed to the two sides of the inner wall of the installation shell, and holes allowing the two-way lead screw to penetrate through are formed in the installation blocks. The coal mill can be fixed, angle adjustment can be achieved, and a proper angle can be selected during overhauling or using.

Description

Technical Field

[0001] The invention relates to the technical field of coal grinding equipment, and in particular to a coal grinding machine base, a coal grinding machine and a method for fixing the coal grinding machine base. Background Art

[0002] Coal pulverizer is a key equipment in coal powder preparation system, which is widely used in cement, metallurgy, chemistry and other fields. Its main function is to grind various coals. There are many types of coal pulverizers, including steel ball pulverizer and medium speed pulverizer, etc. Each type of coal pulverizer has its unique structure and application scenarios.

[0003] The coal mill is equipped with a base at the bottom, which is usually fixed to the coal mill. The current base is generally simple, usually a steel frame structure, and the angle is difficult to adjust after installation. When the coal mill is in use or under maintenance, a suitable angle is required to satisfy the workers' operation. The current fixed and simple method has limited effect and there is room for improvement. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings existing in the prior art and to propose a coal mill base, a coal mill and a method for fixing the coal mill base.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] The coal mill base includes a base, the top of the base is connected to a support base in a circular sliding manner, a worm gear ring is fixed to the middle of the outer wall of the base, two fixing ears are fixed to the bottom of the support base, a same worm is rotatably arranged between the two fixing ears, the worm is adapted to the worm gear ring, a clamping mechanism is installed on the top of the support base, a supporting foot is fixed to the top of the support base, and a limiting platform is fixed to the top of the supporting foot.

[0007] As a further solution of the present invention, the clamping mechanism includes a mounting shell fixed on the top of the support seat, a bidirectional screw is rotatably arranged in the mounting shell, two adapter blocks are symmetrically installed on the bidirectional screw, and the adapter block is provided with a screw nut hole adapted to the bidirectional screw, mounting blocks are fixed on both sides of the inner wall of the mounting shell, the mounting block is provided with a hole for the bidirectional screw to pass through, two first connecting rods are rotatably connected to the mounting block, two second connecting rods are rotatably connected to the adapter block, the first connecting rod is rotatably connected to the corresponding second connecting rod, an extrusion rod is fixed to the top of the second connecting rod away from the adapter block, and a turntable coaxially fixed to the bidirectional screw is installed on the outer wall of the mounting shell.

[0008] As a further solution of the present invention, a bidirectional motor is fixed to the outer wall of the fixed ear, and the output shaft of the bidirectional motor is coaxially fixed with the worm. By starting the bidirectional motor, the worm is driven to rotate by the bidirectional motor, and under the action of the worm gear ring, the support seat slides around the top of the base, thereby realizing angle adjustment between the support seat and the coal mill, so as to facilitate the adjustment of the angle or adjust the appropriate angle during maintenance.

[0009] As a further solution of the present invention, a sliding groove for sliding the extrusion rod is provided on the top of the limiting platform.

[0010] As a further solution of the present invention, a plug hole is provided on the inner wall of the slide groove, and the plug rod at the bottom of the installation base plate is inserted into the plug hole on the limit platform to prevent sliding.

[0011] As a further solution of the present invention, the base is a semi-cylindrical structure, and arc openings adapted to the base are provided on both sides of the bottom of the support seat, a limiting plate is fixed to the top of the inner wall of the arc opening, a slot for the limiting plate to pass through is provided on the base, and a limiting strip located at the bottom of the slot is fixed to the outer wall of the limiting plate.

[0012] A coal mill installed on a coal mill base comprises a coal mill, a mounting base plate is fixed at the bottom of the coal mill, and a plug rod adapted to a plug hole is fixed at the bottom of the mounting base plate.

[0013] The method for fixing a coal mill base comprises the following steps:

[0014] Step 1: Clamp and fix, lift the coal mill to the top of the support seat, insert the plug rod at the bottom of the installation base plate into the socket on the limit platform, rotate the turntable, and make the two-way screw rod rotate through the turntable, so that the two adapter blocks on the two-way screw rod are close to each other, so that the first connecting rod and the second connecting rod connected in rotation are deflected, and then the four extrusion rods are close to each other, and the installation base plate is squeezed to keep the installation base plate stable;

[0015] Step 2: Angle adjustment. Start the bidirectional motor to drive the worm to rotate. Under the action of the worm gear ring, the support seat slides around the top of the base to adjust the angle of the support seat and the coal mill, so as to adjust the angle or adjust the appropriate angle during maintenance.

[0016] The beneficial effects of the present invention are:

[0017] 1. Lift the coal mill to the top of the support seat, insert the plug rod at the bottom of the installation base plate into the socket on the limit platform, turn the turntable, and make the bidirectional screw rotate through the turntable. The two adapter blocks on the bidirectional screw rod are close to each other, so that the first connecting rod and the second connecting rod of the rotation connection are deflected, and then the four extrusion rods are close to each other, which squeezes the installation base plate and keeps the installation base plate stable.

[0018] 2. By starting the bidirectional motor, the bidirectional motor drives the worm to rotate. Under the action of the worm ring, the support seat slides around the top of the base to adjust the angle of the support seat and the coal mill, so as to adjust the angle or adjust the appropriate angle during maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the coal mill base proposed by the present invention;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the coal mill base proposed by the present invention;

[0021] Figure 3 This is a schematic diagram of the partial three-dimensional structure of the coal mill base proposed by the present invention;

[0022] Figure 4 This is a schematic diagram of a partially unfolded three-dimensional structure of a coal mill base proposed by the present invention;

[0023] Figure 5 The figure is a three-dimensional structural schematic diagram of the coal mill base clamping mechanism proposed by the present invention.

[0024] In the figure: 1. base; 2. support seat; 3. coal mill; 4. mounting base plate; 5. support foot; 6. limit platform; 7. slide groove; 8. socket; 9. clamping mechanism; 901. mounting shell; 902. bidirectional screw rod; 903. turntable; 904. adapter block; 905. mounting block; 906. first connecting rod; 907. second connecting rod; 908. extrusion rod; 10. worm gear ring; 11. fixing ear; 12. bidirectional motor; 13. worm; 14. slot; 15. arc mouth; 16. limit plate; 17. limit strip. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] Reference Figure 1-5The coal mill base includes a base 1, the top of the base 1 is connected to a support base 2 in a circular sliding manner with the base 1, a worm ring 10 is fixed to the middle of the outer wall of the base 1, two fixing ears 11 are fixed to the bottom of the support base 2, a same worm 13 is rotatably arranged between the two fixing ears 11, the worm 13 is adapted to the worm ring 10, a clamping mechanism 9 is installed on the top of the support base 2, a supporting foot 5 is fixed to the top of the support base 2, and a limiting platform 6 is fixed to the top of the supporting foot 5.

[0028] In this embodiment, the clamping mechanism 9 includes a mounting shell 901 fixed to the top of the support seat 2, and a bidirectional screw rod 902 is rotatably arranged in the mounting shell 901, and two adapter blocks 904 are symmetrically installed on the bidirectional screw rod 902, and the adapter blocks 904 are provided with screw nut holes adapted to the bidirectional screw rod 902, mounting blocks 905 are fixed on both sides of the inner wall of the mounting shell 901, and the mounting blocks 905 are provided with holes for the bidirectional screw rod 902 to pass through, and two first connecting rods 906 are rotatably connected to the mounting block 905, and two second connecting rods 907 are rotatably connected to the adapter block 904, and the first connecting rod 906 is rotatably connected to the corresponding second connecting rod 907, and an extrusion rod 908 is fixed at a position on the top of the second connecting rod 907 away from the adapter block 904, and a turntable 903 coaxially fixed with the bidirectional screw rod 902 is installed on the outer wall of the mounting shell 901.

[0029] In this embodiment, a bidirectional motor 12 is fixed to the outer wall of the fixing ear 11, and the output shaft of the bidirectional motor 12 is coaxially fixed with the worm 13. By starting the bidirectional motor 12, the bidirectional motor 12 drives the worm 13 to rotate, and under the action of the worm ring 10, the support seat 2 slides around the top of the base 1, thereby realizing the angle adjustment of the support seat 2 and the coal mill 3, so as to adjust the angle or adjust the appropriate angle during maintenance.

[0030] In this embodiment, a sliding groove 7 for the extrusion rod 908 to slide is provided on the top of the limiting platform 6 .

[0031] In this embodiment, an insertion hole 8 is provided on the inner wall of the slide groove 7, and the insertion rod at the bottom of the installation base plate 4 is inserted into the insertion hole 8 on the limiting platform 6 to prevent sliding.

[0032] In this embodiment, the base 1 is a semi-cylindrical structure, and arc openings 15 adapted to the base 1 are provided on both sides of the bottom of the support seat 2. A limiting plate 16 is fixed to the top of the inner wall of the arc opening 15. A slot 14 for the limiting plate 16 to pass through is provided on the base 1, and a limiting strip 17 located at the bottom of the slot 14 is fixed to the outer wall of the limiting plate 16.

[0033] A coal mill installed on a coal mill base comprises a coal mill 3, a mounting base plate 4 is fixed to the bottom of the coal mill 3, and a plug rod adapted to a plug hole 8 is fixed to the bottom of the mounting base plate 4.

[0034] The method for fixing a coal mill base comprises the following steps:

[0035] Step 1: Clamp and fix, lift the coal mill 3 to the top of the support seat 2, insert the insertion rod at the bottom of the installation base plate 4 into the socket 8 on the limit platform 6, rotate the turntable 903, and the two-way screw rod 902 is rotated through the turntable 903, and the two adapter blocks 904 on the two-way screw rod 902 are close to each other, so that the first connecting rod 906 and the second connecting rod 907 connected in rotation are deflected, thereby realizing that the four extrusion rods 908 are close to each other, extruding the installation base plate 4, and keeping the installation base plate 4 stable;

[0036] Step 2: Angle adjustment. By starting the bidirectional motor 12, the bidirectional motor 12 drives the worm 13 to rotate. Under the action of the worm ring 10, the support seat 2 slides around the top of the base 1 to achieve angle adjustment of the support seat 2 and the coal mill 3, so as to adjust the angle or adjust the appropriate angle during maintenance.

[0037] During use: lift the coal mill 3 to the top of the support seat 2, insert the insertion rod at the bottom of the mounting base plate 4 into the socket 8 on the limiting platform 6, rotate the turntable 903, and through the turntable 903, the two-way screw rod 902 is rotated, and the two adapter blocks 904 on the two-way screw rod 902 are close to each other, so that the first connecting rod 906 and the second connecting rod 907 of the rotation connection are deflected, thereby realizing the four extrusion rods 908 approaching each other, squeezing the mounting base plate 4 to maintain the stability of the mounting base plate 4; by starting the two-way motor 12, the two-way motor 12 drives the worm 13 to rotate, and under the action of the worm ring 10, the support seat 2 is realized. Sliding around the top of the base 1, the angle of the support seat 2 and the coal mill 3 is adjusted, so that the angle can be adjusted or the appropriate angle can be adjusted during maintenance.

[0038] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0039] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A coal mill base, comprising a base (1), characterized in that: The top of the base (1) is connected to a support base (2) in a circular sliding manner with the base (1), a worm wheel ring (10) is fixed to the middle of the outer wall of the base (1), two fixing ears (11) are fixed to the bottom of the support base (2), a same worm (13) is rotatably arranged between the two fixing ears (11), the worm (13) is adapted to the worm wheel ring (10), a clamping mechanism (9) is installed on the top of the support base (2), a supporting foot (5) is fixed to the top of the support base (2), and a limiting platform (6) is fixed to the top of the supporting foot (5).

2. The coal mill base, coal mill and coal mill base fixing method according to claim 1, characterized in that: The clamping mechanism (9) comprises a mounting shell (901) fixed to the top of the support seat (2), a bidirectional screw rod (902) being rotatably arranged in the mounting shell (901), two adapting blocks (904) being symmetrically mounted on the bidirectional screw rod (902), and screw rod nut holes adapted to the bidirectional screw rod (902) being provided on the adapting blocks (904), mounting blocks (905) being fixed on both sides of the inner wall of the mounting shell (901), and holes for the bidirectional screw rod (902) to be inserted into the mounting blocks (905) are provided on the mounting blocks (905). The adapter block (904) is rotatably connected to two first connecting rods (906), and the adapter block (904) is rotatably connected to two second connecting rods (907). The first connecting rods (906) are rotatably connected to the corresponding second connecting rods (907). An extrusion rod (908) is fixed to the top of the second connecting rod (907) away from the adapter block (904). The outer wall of the mounting shell (901) is installed with a rotating disk (903) coaxially fixed with the bidirectional screw rod (902).

3. The coal mill base, coal mill and coal mill base fixing method according to claim 2, characterized in that: A bidirectional motor (12) is fixed to the outer wall of the fixing ear (11), and an output shaft of the bidirectional motor (12) is coaxially fixed to the worm (13).

4. The coal mill base, coal mill and coal mill base fixing method according to claim 3, characterized in that: The top of the limiting platform (6) is provided with a sliding groove (7) for the extrusion rod (908) to slide.

5. The coal mill base, coal mill and coal mill base fixing method according to claim 4, characterized in that: An insertion hole (8) is provided on the inner wall of the slide groove (7).

6. The coal mill base, coal mill and coal mill base fixing method according to claim 5, characterized in that: The base (1) is a semi-cylindrical structure, and arc openings (15) adapted to the base (1) are provided on both sides of the bottom of the support seat (2), a limit plate (16) is fixed to the top of the inner wall of the arc opening (15), a slot (14) for the limit plate (16) to pass through is provided on the base (1), and a limit strip (17) located at the bottom of the slot (14) is fixed to the outer wall of the limit plate (16).

7. A coal mill installed on the coal mill base according to any one of claims 1 to 6, characterized in that: It comprises a coal mill (3), a mounting base plate (4) being fixed at the bottom of the coal mill (3), and a plug rod adapted to a plug hole (8) being fixed at the bottom of the mounting base plate (4).

8. A method for fixing a coal mill base, characterized in that: The steps include: Step 1: Clamp and fix, lift the coal mill (3) to the top of the support seat (2), insert the insertion rod at the bottom of the installation base plate (4) into the insertion hole (8) on the limit platform (6), rotate the turntable (903), and through the turntable (903), the bidirectional screw rod (902) is rotated, and the two adapter blocks (904) on the bidirectional screw rod (902) are close to each other, so that the first connecting rod (906) and the second connecting rod (907) connected in rotation are deflected, thereby realizing that the four extrusion rods (908) are close to each other, and the installation base plate (4) is squeezed to keep the installation base plate (4) stable; Step 2: Angle adjustment. The bidirectional motor (12) is started to drive the worm (13) to rotate. Under the action of the worm wheel ring (10), the support seat (2) slides around the top of the base (1), thereby adjusting the angle of the support seat (2) and the coal mill (3). This facilitates the adjustment of the angle or the adjustment of the appropriate angle during maintenance.

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