Device for quickly disassembling and assembling tooth roller of crushing shaft

Abstract

The utility model provides a device for quickly disassembling and assembling a crushing shaft tooth roller. The device comprises a main shaft, a crushing tooth assembly and a connecting assembly, wherein the main shaft comprises a main shaft body, and a plurality of connecting holes and a plurality of connecting grooves are formed in the main shaft body; the crushing tooth assembly comprises an arc-shaped tooth ring, crushing teeth are arranged on the outer wall of the tooth ring, a tooth plate is arranged on the inner wall of the tooth ring, and a plurality of mounting holes are formed in the tooth ring; the connecting assembly comprises a wedge-shaped block, a threaded hole is formed in the wedge-shaped block, the wedge-shaped block and the toothed plate are detachably assembled in the connecting groove, a mounting bolt penetrates through the mounting hole and the threaded hole to connect the wedge-shaped block with the mounting hole, and a connecting bolt penetrates through the mounting hole and the connecting hole to connect the arc-shaped toothed ring with the main shaft body. According to the device, after the crushing teeth are damaged, equipment does not need to be disassembled, the tooth ring can be rapidly replaced, the maintenance cost and the number of workers are reduced, the labor intensity of the workers is reduced, and the maintenance cost is saved. In addition, the gear ring can be replaced on site underground, the replacement speed is high, production can be quickly recovered, the production efficiency is improved, and the productivity is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to a broken machinery technical field, specifically, relate to a quick dismounting and mounting broken axle tooth roll device. BACKGROUND

[0002] In recent years, the types of crushers in China are more and more, and the production technology level has also been obviously improved. However, the mining crusher in China still has the following defects at present: 1. A plurality of tooth rings are distributed on a tooth shaft of a crusher, if one of the tooth rings is damaged, the tooth shaft must be disassembled and transported to the ground for maintenance, and it takes 2-3 days to replace once, and it takes 30-40 days to maintain the damaged tooth shaft; 2. The matching surfaces of the tooth rings are too many, and long-term coal ash extrusion and corrosion rust lead to the difficulty in disassembling the tooth rings, and the whole tooth rings need to be disassembled to replace new tooth rings; 3. With the length of operation, the impact and wear of the tooth ring on the tooth sleeve accumulate day by day, and the gap between the tooth rings and the tooth rings will become larger and larger, resulting in wear of the tooth sleeve, and even the tooth sleeve must be replaced.

[0003] The traditional crusher tooth shaft tooth ring can only be repaired and replaced after being lifted to the well, the tooth shaft is long and heavy, but the conditions are limited underground, so the disassembly and transportation are difficult, the working strength of the workers is large, and there is a safety risk.

[0004] Therefore, the problems of difficult replacement, transportation and underground maintenance of the crusher tooth roll are difficult problems that need to be solved for the mining crusher. SUMMARY

[0005] The technical problem to be solved by the utility model is to solve the status quo of difficult replacement, transportation and underground maintenance of the crusher tooth roll, and to provide a quick dismounting and mounting broken axle tooth roll device to improve production efficiency, reduce safety risk and maximize mechanical efficiency.

[0006] The utility model provides a quick dismounting and mounting broken axle tooth roll device, including spindle and broken tooth component, a plurality of broken tooth components are detachable by connecting component and are established on the spindle, wherein:

[0007] The spindle includes a spindle body, a plurality of connecting holes and a plurality of connecting grooves are arranged on the spindle body;

[0008] The broken tooth component includes an arc tooth ring, a broken tooth is arranged on the outer wall of the tooth ring, a tooth plate is arranged on the inner wall of the tooth ring, and a plurality of mounting holes are arranged on the tooth ring;

[0009] The connecting component includes a wedge-shaped block, a threaded hole is arranged on the wedge-shaped block, the wedge-shaped block and the tooth plate are detachably assembled in the connecting groove, the mounting bolt passes through the mounting hole and the threaded hole to connect the wedge-shaped block with the mounting hole, and the connecting bolt passes through the mounting hole and the connecting hole to connect the arc tooth ring with the spindle body.

[0010] Preferably, two breaking teeth are arranged on each of the tooth rings, a reinforcing ring is connected between the two breaking teeth, and three mounting holes are arranged on both sides of the breaking teeth.

[0011] Preferably, a limiting boss is arranged on the main shaft body, and a limiting groove matched with the limiting boss is arranged on the inner side of the arc-shaped tooth ring.

[0012] Preferably, every three breaking teeth are connected to form a ring and are sleeved on the main shaft.

[0013] Preferably, a baffle disc is sleeved on the main shaft.

[0014] Preferably, a sealing sleeve, a sealing seat and a bearing are sequentially arranged at both ends of the main shaft, a bearing end cover, a sealing gland, a shaft coupling and a pressing plate are sequentially arranged on the outer side of the bearing at one end, and a lock nut and an end cover are sequentially arranged on the outer side of the bearing at the other end.

[0015] The working principle of the utility model is: the quick dismounting and mounting broken shaft tooth roller device of the utility model is combined by the main shaft and the tooth ring, the number of spare parts of the equipment is simplified, the main shaft can bear greater shearing force, torque and impact load. Secondly, the broken tooth assembly is detachably mounted on the main shaft through the connecting assembly, the fixing between the tooth ring and the main shaft is in an indirect mode through the combination of the wedge-shaped block and the screw sleeve, the main shaft is protected from damage to a greater extent, meanwhile, the matching of the tooth plate and the connecting groove prevents the tooth ring from being displaced during the collision and extrusion with the materials, thereby reducing the equipment maintenance amount. In addition, the arrangement mode of the tooth ring on the main shaft is a rotary spiral line (dove tail shape), the equipment greatly improves the discharging efficiency, improves the stability and reliability of the equipment, prolongs the service life of the vulnerable parts, greatly reduces the production cost, is easy to maintain and convenient to operate, one person can operate the replacement by using a hydraulic wrench, and electric welding and gas cutting are not needed, which reduces the labor intensity of workers and improves the safety factor.

[0016] The quick dismounting and mounting broken shaft tooth roller device of the utility model can be completed by quickly replacing the tooth ring without disassembling the equipment after the broken teeth are damaged, thereby reducing the maintenance cost, the number of maintenance workers and the labor intensity of workers, saving the maintenance cost. In addition, the equipment does not need to be disassembled for maintenance, the tooth ring can be replaced on site in the pit, the replacement speed is fast, the production can be quickly restored, the number of shutdown times and time are reduced, safe and efficient production is ensured, the production efficiency is improved, and the production capacity is increased. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a mirror image sectional view of the structure of the quick dismounting and mounting broken shaft tooth roller device of the utility model.

[0018] Figure 2 It is an axial sectional view of the structure of the quick dismounting and mounting broken shaft tooth roller device of the utility model.

[0019] Figure 3 For Figure 1 Structure diagram of the broken tooth assembly;

[0020] Figure 4 For Figure 1 Structure diagram of the main shaft;

[0021] Figure 5 The utility model discloses a quick dismounting broken shaft tooth roll device installation schematic drawing.

[0022] In the figure: the main shaft 1, the main shaft body 1-1, the connecting hole 1-2, the connecting groove 1-3, the limiting boss 1-4;Broken tooth assembly 2, tooth ring 2-1, broken tooth 2-2, tooth plate 2-3, mounting hole 2-4, reinforcing ring 2-5, limiting recess 2-6;Connecting assembly 3, wedge block 3-1, threaded hole 3-2, mounting bolt 3-3, connecting bolt 3-4;Baffle plate 4;Sealing sleeve 5;Sealing seat 6;Bearing 7;Bearing end cover 8;Sealing gland 9;Shaft coupling 10;Pressing plate 11;Lock nut 12;End cover 13. DETAILED DESCRIPTION

[0023] In order to make the utility model technical scheme easier to understand, now combining with the specific embodiment mode of the attached drawing, the technical scheme of the utility model is clearly and completely described.

[0024] Example 1:

[0025] As Figures 1 to 5 The quick dismounting broken shaft tooth roll device of the embodiment includes the main shaft 1 and the broken tooth assembly 2, and the plurality of broken tooth assemblies 2 are detachably arranged on the main shaft 1 through the connecting assembly 3, wherein:

[0026] The main shaft 1 includes the main shaft body 1-1, and the main shaft body 1-1 is provided with a plurality of connecting holes 1-2 and a plurality of connecting grooves 1-3;The main shaft body 1-1 is provided with a limiting boss 1-4.

[0027] The broken tooth assembly 2 includes an arc-shaped tooth ring 2-1, the outer wall of the tooth ring 2-1 is provided with a broken tooth 2-2, the inner wall is provided with a tooth plate 2-3, and the tooth ring 2-1 is provided with a plurality of mounting holes 2-4;Each tooth ring 2-1 is provided with two broken teeth 2-2, the two broken teeth 2-2 are connected with a reinforcing ring 2-5, and the two sides of the broken tooth 2-2 are respectively provided with three mounting holes 2-4;Every three broken teeth 2-2 are connected to form a ring and are sleeved on the main shaft 1;The arc-shaped tooth ring 2-1 is provided with a limiting recess 2-6 matched with the limiting boss 1-4;

[0028] The connecting assembly 3 includes a wedge block 3-1 with a threaded hole 3-2. The wedge block 3-1 and the toothed plate 2-3 are detachably mounted in the connecting groove 1-3. The mounting bolt 3-3 passes through the mounting hole 2-4 and the threaded hole 3-2 to connect the wedge block 3-1 to the mounting hole 2-4. The connecting bolt 3-4 passes through the mounting hole 2-4 and the connecting hole 1-2 to connect the arc-shaped toothed ring 2-1 to the spindle body 1-1.

[0029] Example 2:

[0030] like Figures 1 to 5 As shown, the quick-release and detachable crushing shaft toothed roller device of this embodiment includes a main shaft 1 and crushing tooth assembly 2. Several crushing tooth assemblies 2 are detachably mounted on the main shaft 1 via connecting components 3, wherein:

[0031] The spindle 1 includes a spindle body 1-1, which has a plurality of connecting holes 1-2 and a plurality of connecting grooves 1-3; the spindle body 1-1 is provided with a limiting boss 1-4.

[0032] The crushing tooth assembly 2 includes an arc-shaped toothed ring 2-1, with crushing teeth 2-2 on the outer wall and toothed plates 2-3 on the inner wall. The toothed ring 2-1 has several mounting holes 2-4. Each toothed ring 2-1 has two crushing teeth 2-2, with a reinforcing ring 2-5 connecting the two crushing teeth 2-2. Three mounting holes 2-4 are provided on each side of the crushing teeth 2-2. Every three crushing teeth 2-2 are connected to form a ring and fitted onto the main shaft 1. The inner side of the arc-shaped toothed ring 2-1 has a limiting groove 2-6 that mates with the limiting boss 1-4.

[0033] The connecting assembly 3 includes a wedge block 3-1 with a threaded hole 3-2. The wedge block 3-1 and the toothed plate 2-3 are detachably mounted in the connecting groove 1-3. The mounting bolt 3-3 passes through the mounting hole 2-4 and the threaded hole 3-2 to connect the wedge block 3-1 to the mounting hole 2-4. The connecting bolt 3-4 passes through the mounting hole 2-4 and the connecting hole 1-2 to connect the arc-shaped toothed ring 2-1 to the spindle body 1-1.

[0034] A retaining plate 4 is fitted onto the main shaft 1; a sealing sleeve 5, a sealing seat 6 and a bearing 7 are sequentially provided at both ends of the main shaft 1, wherein a bearing end cover 8, a sealing cover 9, a coupling 10 and a pressure plate 11 are sequentially fitted on the outer side of the bearing 7 at one end, and a lock nut 12 and an end cover 13 are sequentially fitted on the outer side of the bearing 7 at the other end.

[0035] It should be noted that the embodiments described herein are only part of the embodiments of the present application, not all implementations of the present application, the embodiments are only exemplary, and the role is only to provide a more intuitive and clear way to understand the content of the present application, and is not a limitation on the technical solutions of the present application. Without departing from the concept of the present application, all other embodiments that can be thought of by those skilled in the art without creative labor, and other simple replacements and various changes of the technical solutions of the present application, all belong to the protection scope of the present application.

Claims

1. A quick detachable crushing shaft tooth roller device, characterized in that, Including the main shaft (1) and the broken tooth assembly (2), several broken tooth assemblies (2) are detachably arranged on the main shaft (1) through the connecting assembly (3), wherein: The main shaft (1) comprises a main shaft body (1-1), and a plurality of connecting holes (1-2) and a plurality of connecting grooves (1-3) are arranged on the main shaft body (1-1); The broken tooth assembly (2) comprises an arc-shaped tooth ring (2-1), the outer wall of the tooth ring (2-1) is provided with broken teeth (2-2), and the inner wall of the tooth ring (2-1) is provided with a tooth plate (2-3); a plurality of mounting holes (2-4) are arranged on the tooth ring (2-1); The connecting assembly (3) comprises a wedge block (3-1), a threaded hole (3-2) is arranged on the wedge block (3-1), the wedge block (3-1) and the tooth plate (2-3) are detachably arranged in the connecting groove (1-3), the mounting bolt (3-3) passes through the mounting hole (2-4) and the threaded hole (3-2) to connect the wedge block (3-1) and the mounting hole (2-4), and the connecting bolt (3-4) passes through the mounting hole (2-4) and the connecting hole (1-2) to connect the arc-shaped tooth ring (2-1) and the main shaft body (1-1).

2. The quick detachable crushing shaft tooth roller device according to claim 1, characterized in that, Two broken teeth (2-2) are arranged on each tooth ring (2-1), a reinforcing ring (2-5) is connected between the two broken teeth (2-2), and three mounting holes (2-4) are arranged on both sides of the broken teeth (2-2).

3. The quick detachable crushing shaft tooth roller device according to claim 1, characterized in that, The main shaft body (1-1) is provided with a limiting boss (1-4), and the inner side of the arc-shaped tooth ring (2-1) is provided with a limiting groove (2-6) matched with the limiting boss (1-4).

4. The quick detachable crushing shaft tooth roller device according to claim 1, characterized in that, Every three broken teeth (2-2) are connected to form a ring and are sleeved on the main shaft (1).

5. The quick detachable crushing shaft tooth roller device according to claim 1, wherein, The main shaft (1) is sleeved with a baffle disc (4).

6. The quick detachable crushing shaft tooth roll device according to claim 1, wherein, The two ends of the main shaft (1) are sequentially provided with a sealing sleeve (5), a sealing seat (6) and a bearing (7), the outer side of the bearing (7) at one end is sequentially matched with a bearing end cover (8), a sealing gland (9), a shaft coupling (10) and a pressing plate (11), and the outer side of the bearing (7) at the other end is sequentially matched with a lock nut (12) and an end cover (13).

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