Wear-resistant lining plate with quick release function

By introducing gear meshing and sliding connection design into the coal mill liner assembly, the problems of complex liner installation and unstable connection are solved, enabling rapid installation and disassembly, and improving the efficiency and stability of the coal mill.

CN223570846UActive Publication Date: 2025-11-21NINGXIA HUI AUTONOMOUS REGION YINCHUAN THERMOELECTRICITY CO
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Patent Information

Application Number
CN202423033640.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-11-21
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

The existing coal mill liner installation and disassembly process is complicated, and individual fixing cannot be effectively connected, resulting in poor overall fixing effect.

Method used

The design employs a liner assembly, including a plate, rack, long gear, driven gear, and drive assembly. The series positioning between the liners is achieved through gear meshing and sliding connection, and the motor-driven gear transmission enables quick installation and disassembly.

Benefits of technology

It enables rapid installation and removal of the liner, enhances the overall connection stability of the liner, prevents loosening and falling off, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coal mills, in particular to a wear-resistant lining plate with a quick release function, which comprises a lining plate component, a steel bar is attached to the bottom of the lining plate component, a driving component is mounted on the front side of the lining plate component, the lining plate component comprises a plate body, a rack is slidably connected into the plate body, and the rack is mounted on the inner side of the plate body. A long gear is meshed with the middle of one side of the rack, a driven gear is meshed with the side, away from the long gear, of the rack, a shell of a bolt is welded to the interior of the long gear, plate bodies are vertically limited through the bolt, the plate bodies are connected in series front and back through the rack, and front-back limiting and double limiting are achieved; the plate bodies cannot fall off even if one bolt is loosened, the racks in the five plate bodies can be driven at the same time through the forefront driving assembly, the first rack can drive the rear racks to slide synchronously when sliding backwards, the five bolts are screwed in downwards or screwed out upwards at the same time, and the effect of quick mounting and dismounting is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to coal mill technical field, concretely is a kind of wear-resistant lining with quick release function. BACKGROUND

[0002] Coal mill is a kind of equipment for coal powder preparation, mainly used to grind coal into fine powder, for boiler, combustor and other equipment combustion, its role is to improve the combustion efficiency of coal, so that the energy of coal is more fully released. Coal mill is usually used in electric power, steel, chemical fertilizer, building material and other industries;

[0003] Lining is an important component installed in the interior of coal mill, and its main role is to protect the inner wall of coal mill, reduce wear and tear and ensure long-term stable operation of equipment. Since coal and steel ball, grinding roller and other things will produce strong friction and impact during the working process of coal mill, the role of lining is crucial, and the lining can not only effectively improve the service life of coal mill, but also enhance the grinding efficiency of coal powder. The inventor found the following problems in the prior art during the implementation of the utility model:

[0004] 1. The inner wall of each coal mill is provided with a plurality of linings, and each lining is fixed on the inner wall of the equipment by bolts during installation. There is no connection relationship between the linings, and once the bolt of a certain lining is loose, the lining will be loose and fall off without other limiting structure.

[0005] 2. In order to strengthen the connection strength of lining and equipment inner wall, a plurality of bolts are usually arranged between lining and coal mill to strengthen and fix. Since the number of linings is too large, the number of bolts required for fixing the linings is also relatively large, and the installation and disassembly process is very complex. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a wear-resistant lining with quick release function to solve the problem that the lining can only be fixed individually and cannot be connected with each other in the background technology, and the overall fixing effect is poor. If fixed by a plurality of bolts, the installation and disassembly process is complex. In order to achieve the above purpose, the utility model provides the following technical scheme: a wear-resistant lining with quick release function, comprising a lining assembly, a steel bar is attached to the bottom of the lining assembly, and a driving assembly is installed on the front surface of the lining assembly.

[0007] The lining assembly comprises a plate body, a rack is slidably connected inside the plate body, a long gear is engaged in the middle of one side of the rack, a driven gear is engaged on the side of the rack away from the long gear, a bolt housing is welded inside the long gear, and a lead screw is threadedly connected inside the bolt.

[0008] Further preferably, the driving assembly comprises a protective shell, a motor is installed inside the protective shell, an output shaft of the motor is installed with a driving gear, and the driving gear and a driven gear are arranged in meshing transmission structure.

[0009] Further preferably, the lining plate assembly is provided with five groups, and the five groups of lining plate assemblies are arranged above the steel strip, and the driving assembly is located at the front surface of the frontmost lining plate assembly.

[0010] Further preferably, the bolt forms a rotating structure through a long gear, and a disc is welded to the top of the lead screw, and the disc is welded to the inner wall of the upper surface of the plate body.

[0011] Further preferably, the driven gear and the inner wall of the plate body are connected in a rotating manner.

[0012] Further preferably, the plate body is made of high manganese steel, and the upper surface of the plate body is provided with two holes.

[0013] Further preferably, the plate body is made of high manganese steel, and the upper surface of the plate body is provided with two holes.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] In the utility model, five lining plate assemblies are arranged in a straight line, the end of the rack of the first lining plate assembly abuts against the front driven gear of the rack of the second lining plate assembly, the driven gear of the second lining plate assembly is engaged by the rack of the first lining plate assembly sliding backward, the two lining plate assemblies are connected together, the plate body is positioned up and down by the bolt, the plate bodies are connected in series in front and back, front and back positioning is realized, double positioning is realized, even if one bolt is loose, the plate body will not fall off.

[0016] In the utility model, the driving assembly at the most front can drive the racks in the five plate bodies at the same time, the driving gear drives the driven gear to rotate, the rack is actuated to move linearly, the first rack can drive the rearward rack to slide synchronously when the first rack slides backward, the lead screw is welded to the plate body through the disc at the top, the position of the lead screw is fixed, the bolt can move up and down along the lead screw when the bolt rotates, the five bolts are screwed downward or upward at the same time, and the effect of rapid installation and disassembly is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a top view sectional structure schematic view of the utility model;

[0019] Figure 3The utility model discloses lining plate assembly explosion structure schematic diagram shows that the lining plate assembly is provided with the lining plate assembly, the lining plate assembly is provided with the lining plate assembly, and the lining plate assembly is provided with the lining plate assembly.

[0020] Figure 4 The utility model discloses Figure 2 The utility model discloses lining plate assembly explosion structure schematic diagram shows that the lining plate assembly is provided with the lining plate assembly, the lining plate assembly is provided with the lining plate assembly, and the lining plate assembly is provided with the lining plate assembly.

[0021] Figure 5 The utility model discloses Figure 2 The utility model discloses lining plate assembly explosion structure schematic diagram shows that the lining plate assembly is provided with the lining plate assembly, the lining plate assembly is provided with the lining plate assembly, and the lining plate assembly is provided with the lining plate assembly.

[0022] In the drawing: 1, lining plate assembly;101, plate body;102, rack;103, long gear;104, driven gear;105, bolt;106, screw rod;2, steel strip;3, drive assembly;301, protective shell;302, motor;303, driving gear. Specific implementation

[0023] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of the utility model protection.

[0024] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: a kind of wear-resistant lining with quick release function, including lining plate assembly 1, steel strip 2 is attached to the bottom of lining plate assembly 1, drive assembly 3 is installed on the front of lining plate assembly 1.

[0025] Lining plate assembly 1 includes plate body 101, rack 102 is slidably connected in plate body 101, long gear 103 is engaged in the middle of one side of rack 102, driven gear 104 is engaged on the side of rack 102 away from long gear 103, the shell of bolt 105 is welded in the inside of long gear 103, screw rod 106 is screw-connected in the inside of bolt 105.

[0026] In the embodiment, as shown in Figure 1 And Figure 4 Drive assembly 3 includes protective shell 301, motor 302 is installed in the inside of protective shell 301, driving gear 303 is installed on the output shaft of motor 302, and meshing transmission structure is provided between driving gear 303 and driven gear 104;It needs to be explained that driven gear 104 is rotated by driving gear 303, rack 102 is actuated to move linearly, and direct rotation is converted into linear motion.

[0027] In the embodiment, as shown in Figure 1 And Figure 2As shown, the lining plate assembly 1 is provided with five groups, and the five lining plate assemblies 1 are arranged above the steel bar 2, and the driving assembly 3 is located at the front of the lining plate assembly 1; it should be noted that the five lining plate assemblies 1 are arranged in a straight line, and the rack 102 in the five plate bodies 101 can be driven simultaneously by the driving assembly 3 at the front, achieving the effect of quick installation and disassembly.

[0028] In the embodiment, as shown in Figure 3 The bolt 105 is connected with the long gear 103 in a rotating manner, the top of the screw rod 106 is welded with a disc, and the disc is welded with the inner wall of the upper surface of the plate body 101; it should be noted that the screw rod 106 is welded with the plate body 101 through the disc at the top, and the position of the screw rod 106 is fixed, and the bolt 105 can move up and down along the screw rod 106 when rotating, and the screw rod 106 has a self-locking structure, and the bolt 105 is fixed at a limited position when stopping rotating, and will not loosen.

[0029] In the embodiment, as shown in Figure 2 and Figure 5 The driven gear 104 is connected with the inner wall of the plate body 101 in a rotating manner; it should be noted that the five driven gears 104 are arranged on the inner wall of the front of the plate body 101, the end of the rack 102 of the first lining plate assembly 1 is just abutted against the front driven gear 104 of the rack 102 of the second lining plate assembly 1, the driven gear 104 of the second lining plate assembly 1 is engaged by the rack 102 of the first lining plate assembly 1, and the two lining plate assemblies 1 are connected together, the plate body 101 is positioned up and down by the bolt 105, and the plate bodies 101 are connected in series in front and back, achieving front and back positioning, and even if one bolt 105 loosens, the plate body 101 will not fall off.

[0030] In the embodiment, as shown in Figure 2 The inner wall of the plate body 101 is provided with two slide ways at two ends, and the rack 102 is connected with the plate body 101 in a sliding manner; it should be noted that the rack 102 is positioned by the slide way, preventing the rack 102 from deviating during sliding.

[0031] In the embodiment, as shown in Figure 1 The plate body 101 is made of high manganese steel, and the upper surface of the plate body 101 is provided with two holes; it should be noted that the high manganese steel is an alloy steel containing a high content of manganese, and has excellent wear resistance and impact resistance, which can protect the inner wall of the equipment, reduce the wear and damage of the inner wall of the equipment, and can be pulled out and disassembled by clamping the workpiece into the hole when replacement is needed.

[0032] The use method and advantages of the present application are as follows:

[0033] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, first laid steel strip 2 on the inner wall of the device, adjust the position of the steel strip 2, then along the surface of the steel strip 2 installation lining plate assembly 1, steel strip 2 position adjustment, the edge of the recess of the plate body 101 on the steel strip 2 fit, at this time the bolt 105 inside the plate body 101 is exactly aligned with the threaded hole of the inner wall of the device, five sets of lining plate assembly 1 arrangement, when the arrangement will be equipped with drive assembly 3 lining plate assembly 1 placed in the first row, and then arrange the remaining lining plate assembly 1, start the motor 302, the motor 302 driven gear 303 clockwise rotation, with the driving gear 303 meshing driven gear 104 starts counterclockwise rotation, driven gear 104 after the rack 102 shift, rack 102 dolly gear 103 counterclockwise rotation, screw 105 starts along the screw 106 counterclockwise rotation, screw 105 rotation while moving down, until completely screwed into the threaded hole of the inner wall of the device, with the first rack 102 backward sliding, driving extrusion second rack 102 synchronous backward sliding, further driving the second set of lining plate assembly 1 screw 105 starts to rotate down into, realize the simultaneous installation.

[0034] The above shows and describes the basic principles, main features and advantages of the present application. The technical staff in this industry should understand that the present application is not limited by the above examples, the above examples and descriptions described in the specification are only preferred examples of the present application, and are not intended to limit the present application, without departing from the spirit and scope of the present application, the present application will have various changes and improvements, these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant lining plate with quick-release function, comprising a lining plate assembly (1), characterized in that: The bottom of the lining plate assembly (1) is attached with a steel bar (2), and the front of the lining plate assembly (1) is provided with a driving assembly (3). The lining plate assembly (1) comprises a plate body (101), the inside of the plate body (101) is slidably connected with a rack (102), the middle of one side of the rack (102) is engaged with a long gear (103), the side of the rack (102) away from the long gear (103) is engaged with a driven gear (104), the inside of the long gear (103) is welded with a housing of a bolt (105), the inside of the bolt (105) is threadedly connected with a lead screw (106).

2. The abrasion-resistant liner plate with quick-release function according to claim 1, characterized in that: The driving assembly (3) comprises a protective shell (301), the inside of the protective shell (301) is provided with a motor (302), the output shaft of the motor (302) is provided with a driving gear (303), the driving gear (303) and the driven gear (104) are in meshing transmission structure.

3. The abrasion-resistant liner plate with quick-release function according to claim 1, characterized in that: The lining plate assembly (1) is provided with five groups, and the five groups of lining plate assemblies (1) are arranged above the steel bar (2), and the driving assembly (3) is located on the front of the lining plate assembly (1).

4. The abrasion-resistant liner plate with quick-release function according to claim 1, characterized in that: The bolt (105) is rotatably connected with the long gear (103), the top of the lead screw (106) is welded with a disc, and the disc is welded with the inner wall of the upper surface of the plate body (101).

5. The abrasion-resistant liner plate with quick-release function according to claim 1, characterized in that: The driven gear (104) and the inner wall of the plate body (101) are rotatably connected.

6. The abrasion-resistant liner plate with quick release function according to claim 1, characterized in that: The plate body (101) is made of high manganese steel, and the upper surface of the plate body (101) is provided with two holes.

7. The abrasion-resistant liner plate with quick release function according to claim 1, characterized in that: ​