Steel ball coal mill auger blade anti-falling device

By introducing a combination of hard and soft anti-detachment components into the ball mill, the problem of auger blades loosening and falling off was solved, ensuring normal operation of the equipment and extending its service life.

CN223697934UActive Publication Date: 2025-12-23GANSU POWER INVESTMENT WUWEI THERMAL POWER CO LTD
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Patent Information

Application Number
CN202423159438.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-23
Estimated Expiration
2034-12-20

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Abstract

The utility model discloses a steel ball coal mill auger blade anti-falling device which comprises an auger base, an auger cylinder is fixed on the auger base, an auger connecting plate is fixed on the auger cylinder, auger blades are arranged on the outer ring of the auger cylinder in a surrounding mode, and the auger connecting plate is fixed on the auger cylinder. The auger blade is fixed through a plurality of hard anti-disengaging assemblies and a plurality of soft anti-disengaging assemblies, the end, close to the auger base, of the auger blade is fixed into the auger connecting plate, a plurality of fixing plates are fixed to the end, away from the auger base, of the auger barrel, and the other end of the auger blade is fixed to the left portions of the fixing plates. And the soft anti-falling assembly and the hard anti-falling assembly are additionally arranged, so that the anti-falling effect is improved, and the service life of equipment is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to coal mill equipment technical field relates to a steel ball coal mill auger blade anti -drop device. BACKGROUND

[0002] Steel ball coal mill is the main equipment of coal powder preparation system of thermal power station. It is also suitable for cement industry, metallurgical industry, chemical industry, sugar industry and other powder system, and is widely used for crushing coal of various hardness.

[0003] The utility model discloses a steel ball coal mill auger improved sealing structure discloses a steel ball coal mill auger improved sealing structure in the Chinese utility model patent with the application number 202121306932.0, including the shaft pipe and spiral feed piece, the periphery of the shaft pipe is provided with spiral feed piece, the spiral feed piece is helical welding at the cylindrical outer surface of the shaft pipe, the left side of the shaft pipe is provided with the conical mesh cover, the right end port of the conical mesh cover is fixed at the left end port of the shaft pipe through welding, the intersection of the shaft pipe and the conical mesh cover is provided with the flange bearing seat at the periphery of the shaft pipe, the shaft pipe is inserted into the flange bearing seat, the right side of the flange bearing seat is provided with the barrier cover at the periphery of the shaft pipe, the barrier cover is fixed at the shaft pipe through welding, the center of the conical mesh cover is provided with the mandrel at the transverse position, and then the sealing failure problem caused by the abrasion of the lubricating assembly in the bearing due to the foreign matter rotating friction when the bearing directly contacts the material conveying environment is avoided, but in the actual operation, the auger blade is prone to looseness or even falling off, once the auger blade falls off, it can cause damage to other internal components, for example, scratch or damage to the cylinder wall, thereby shortening the service life of the equipment, therefore, it is necessary to design a steel ball coal mill auger blade anti -drop device to solve the above -mentioned problems. UTILITY MODEL CONTENTS

[0004] In view of the above problems, in order to overcome the defects of the prior art, the utility model provides a steel ball coal mill auger blade anti -drop device, and the utility model aims at: increase the soft anti -drop component and hard anti -drop component structure, improve the anti -drop effect, prolong the service life of the equipment.

[0005] In order to realize the above purpose, the utility model adopts the technical scheme as follows: the utility model discloses an auger base, the auger base is fixed with the auger cylinder, the auger cylinder is fixed with the auger connecting plate, the outer ring of the auger cylinder is provided with the auger blade, the auger blade is fixed through a plurality of hard anti -drop components and a plurality of soft anti -drop components, one end of the auger blade close to the auger base is fixed in the auger connecting plate, the other end of the auger blade is fixed to the left part of the fixed plate.

[0006] Preferably, the soft anti-detachment component includes an N-shaped block fixed to the outer wall of the auger cylinder. Multiple chains are provided on the outer wall of the auger cylinder. One end of the chain is sleeved on the outer ring of the auger blade, and the other end of the chain is fixed to the N-shaped block.

[0007] Preferably, the plurality of soft anti-detachment components are divided into multiple rows of anti-detachment components, and the multiple rows of soft anti-detachment components are equidistantly arranged around the surface of the auger cylinder, and the plurality of soft anti-detachment components in each row are equidistantly arranged in a straight line on the surface of the auger cylinder.

[0008] Preferably, a plurality of the aforementioned rigid anti-detachment components are distributed around the surface of the auger cylinder.

[0009] Preferably, the rigid anti-detachment component includes an arc-shaped plate, a reinforcing plate is fixed to the lower part of the arc-shaped plate, the bottom of the arc-shaped plate and the reinforcing plate are both fixed to the surface of the auger cylinder, and a limiting sleeve is fixed to the upper part of the arc-shaped plate, the limiting sleeve being sleeved on the auger blades.

[0010] Preferably, the limiting sleeve has a mating hole that fits into the auger blade.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] This invention, through the dual cooperation of hard and soft anti-detachment components, can continue to work normally even after the ends of the auger blades are separated from the auger connecting plate and fixing plate, without losing contact with the auger cylinder. This prevents the auger blade ends from shifting position after detachment, thus avoiding damage to other components and extending the service life of the equipment. Attached Figure Description

[0013] Fig. 1 This is a three-dimensional schematic diagram of the structure of this utility model;

[0014] Fig. 2 This is a three-dimensional schematic diagram of the soft anti-detachment component and the hard anti-detachment component in this utility model.

[0015] Reference numerals in the attached drawings: 1. Screw base; 2. Screw connecting plate; 3. Screw cylinder; 4. Screw blade; 5. Fixing plate; 6. N-block; 7. Chain; 8. Arc plate; 9. Reinforcing plate; 10. Limiting sleeve; 11. Mating hole. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] The utility model discloses a kind of concrete mixing machine, including the auger base 1, the auger base 1 is fixed with auger cylinder 3, auger cylinder 3 is fixed with auger connecting plate 2, the outer ring of auger cylinder 3 is provided with auger blade 4, auger blade 4 is fixed by multiple hard anti-loose components and multiple soft anti-loose components, one end of auger blade 4 close to auger base 1 is fixed in auger connecting plate 2, the end of auger cylinder 3 away from auger base 1 is fixed with multiple fixed plates 5, the other end of auger blade 4 is fixed in the left part of fixed plate 5. Figs. 1-2 The utility model discloses a kind of concrete mixing machine, including the auger base 1, the auger base 1 is fixed with auger cylinder 3, auger cylinder 3 is fixed with auger connecting plate 2, the outer ring of auger cylinder 3 is provided with auger blade 4, auger blade 4 is fixed by multiple hard anti-loose components and multiple soft anti-loose components, one end of auger blade 4 close to auger base 1 is fixed in auger connecting plate 2, the end of auger cylinder 3 away from auger base 1 is fixed with multiple fixed plates 5, the other end of auger blade 4 is fixed in the left part of fixed plate 5.

[0018] The utility model discloses a kind of concrete mixing machine, including the auger base 1, the auger base 1 is fixed with auger cylinder 3, auger cylinder 3 is fixed with auger connecting plate 2, the outer ring of auger cylinder 3 is provided with auger blade 4, auger blade 4 is fixed by multiple hard anti-loose components and multiple soft anti-loose components, one end of auger blade 4 close to auger base 1 is fixed in auger connecting plate 2, the end of auger cylinder 3 away from auger base 1 is fixed with multiple fixed plates 5, the other end of auger blade 4 is fixed in the left part of fixed plate 5. Figs. 1-2 The utility model discloses a kind of concrete mixing machine, including the auger base 1, the auger base 1 is fixed with auger cylinder 3, auger cylinder 3 is fixed with auger connecting plate 2, the outer ring of auger cylinder 3 is provided with auger blade 4, auger blade 4 is fixed by multiple hard anti-loose components and multiple soft anti-loose components, one end of auger blade 4 close to auger base 1 is fixed in auger connecting plate 2, the end of auger cylinder 3 away from auger base 1 is fixed with multiple fixed plates 5, the other end of auger blade 4 is fixed in the left part of fixed plate 5.

[0019] The utility model discloses a kind of concrete mixing machine, including the auger base 1, the auger base 1 is fixed with auger cylinder 3, auger cylinder 3 is fixed with auger connecting plate 2, the outer ring of auger cylinder 3 is provided with auger blade 4, auger blade 4 is fixed by multiple hard anti-loose components and multiple soft anti-loose components, one end of auger blade 4 close to auger base 1 is fixed in auger connecting plate 2, the end of auger cylinder 3 away from auger base 1 is fixed with multiple fixed plates 5, the other end of auger blade 4 is fixed in the left part of fixed plate 5.

[0020] The utility model discloses a kind of concrete mixing machine, including the auger base 1, the auger base 1 is fixed with auger cylinder 3, auger cylinder 3 is fixed with auger connecting plate 2, the outer ring of auger cylinder 3 is provided with auger blade 4, auger blade 4 is fixed by multiple hard anti-loose components and multiple soft anti-loose components, one end of auger blade 4 close to auger base 1 is fixed in auger connecting plate 2, the end of auger cylinder 3 away from auger base 1 is fixed with multiple fixed plates 5, the other end of auger blade 4 is fixed in the left part of fixed plate 5.

[0021] The utility model discloses a kind of concrete mixing machine, including the auger base 1, the auger base 1 is fixed with auger cylinder 3, auger cylinder 3 is fixed with auger connecting plate 2, the outer ring of auger cylinder 3 is provided with auger blade 4, auger blade 4 is fixed by multiple hard anti-loose components and multiple soft anti-loose components, one end of auger blade 4 close to auger base 1 is fixed in auger connecting plate 2, the end of auger cylinder 3 away from auger base 1 is fixed with multiple fixed plates 5, the other end of auger blade 4 is fixed in the left part of fixed plate 5.

[0022] The utility model discloses a kind of concrete mixing machine, including the auger base 1, the auger base 1 is fixed with auger cylinder 3, auger cylinder 3 is fixed with auger connecting plate 2, the outer ring of auger cylinder 3 is provided with auger blade 4, auger blade 4 is fixed by multiple hard anti-loose components and multiple soft anti-loose components, one end of auger blade 4 close to auger base 1 is fixed in auger connecting plate 2, the end of auger cylinder 3 away from auger base 1 is fixed with multiple fixed plates 5, the other end of auger blade 4 is fixed in the left part of fixed plate 5.

[0023] The utility model discloses a kind of concrete mixing machine, including the auger base 1, the auger base 1 is fixed with auger cylinder 3, auger cylinder 3 is fixed with auger connecting plate 2, the outer ring of auger cylinder 3 is provided with auger blade 4, auger blade 4 is fixed by multiple hard anti-loose components and multiple soft anti-loose components, one end of auger blade 4 close to auger base 1 is fixed in auger connecting plate 2, the end of auger cylinder 3 away from auger base 1 is fixed with multiple fixed plates 5, the other end of auger blade 4 is fixed in the left part of fixed plate 5.

[0024] The utility model discloses a kind of concrete mixing machine, including the auger base 1, the auger base 1 is fixed with auger cylinder 3, auger cylinder 3 is fixed with auger connecting plate 2, the outer ring of auger cylinder 3 is provided with auger blade 4, auger blade 4 is fixed by multiple hard anti-loose components and multiple soft anti-loose components, one end of auger blade 4 close to auger base 1 is fixed in auger connecting plate 2, the end of auger cylinder 3 away from auger base 1 is fixed with multiple fixed plates 5, the other end of auger blade 4 is fixed in the left part of fixed plate 5.

[0025] The arc-shaped plate 8 and the reinforcing plate 9 are fixed on the auger barrel 3, the contact area with the auger barrel 3 is increased, meanwhile, the reinforcing plate 9 reinforces the arc-shaped plate 8, the arc-shaped plate 8 is prevented from being deformed by the pulling of the auger, and the structural strength of the arc-shaped plate 8 is enhanced.

[0026] In the embodiment, the limiting sleeve 10 is provided with a matching hole 11, and the matching hole 11 is attached to the auger blade 4.

[0027] The matching hole 11 is attached to the auger blade 4, the position is unchanged after the two ends of the auger blade 4 are separated, the auger can continuously work, and other components are not damaged.

[0028] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A steel ball mill auger blade anti-drop device, characterized in that: The auger base is fixed with an auger cylinder, the outer ring of the auger cylinder is provided with auger blades, the auger blades are fixed through a plurality of hard anti-off components and a plurality of soft anti-off components, one end of the auger blades close to the auger base is fixed in the auger connecting plate, and the other end of the auger blades is fixed to the left part of the fixing plate.

2. A device for preventing the disengagement of the auger blades of a steel ball mill according to claim 1, characterized in that: The soft anti-off component comprises an N-shaped block fixed to the outer wall of the auger cylinder, the outer wall of the auger cylinder is provided with a plurality of locks, one end of the lock is sleeved on the outer ring of the auger blade, and the other end of the lock is fixed to the N-shaped block.

3. A device for preventing the disengagement of a flight from a screw conveyor of a steel ball mill according to claim 2, characterized in that: The plurality of soft anti-off components are divided into a plurality of rows of anti-off components, the plurality of rows of soft anti-off components are equally circumferentially arranged on the surface of the auger cylinder, and the plurality of soft anti-off components in each row are arranged in a straight line on the surface of the auger cylinder.

4. A device for preventing the disengagement of the auger blades of a steel ball mill according to claim 1, characterized in that: The plurality of hard anti-off components are circumferentially distributed on the surface of the auger cylinder.

5. A steel ball mill auger flight retention device according to claim 4, wherein: The hard anti-off component comprises an arc-shaped plate, the lower part of the arc-shaped plate is fixed with a reinforcing plate, the bottom of the arc-shaped plate and the reinforcing plate is fixed to the surface of the auger cylinder, the upper part of the arc-shaped plate is fixed with a limiting sleeve, and the limiting sleeve is sleeved on the auger blade.

6. A steel ball mill auger flight retention device according to claim 5, wherein: The limiting sleeve is provided with a matching hole, and the matching hole is attached to the auger blade.

Citation Information

Patent Citations

  • Improved sealing structure for packing auger of steel ball coal mill

    CN214717166U