Roller protection device of material yard shredder

By installing protective shells and circulation components on the outer wall of the shredder roller, the wear problem caused by debris entering the bearing is solved, and the continuous lubrication and wear protection of the bearing is achieved, reducing maintenance costs.

CN223128161UActive Publication Date: 2025-07-22CHONGQING ZUHANG VANADIUM & TITANIUM STEEL GRP CO LTD
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Patent Information

Application Number
CN202422203845.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-07-22
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

During the working process of the shredder, debris can easily enter between the roller shaft and the bearing, causing bearing wear, affecting equipment efficiency and increasing maintenance and replacement costs.

Method used

A roller protection device including a base, a first protective case and a second protective case is designed. By placing a circulation assembly and a filter assembly on the outer wall of the roller shaft, the circulation of lubricating oil and impurity filtration are realized, and debris are prevented from entering the bearing and continuous lubrication of the bearing.

Benefits of technology

Effectively protect the bearing from debris wear, reduce the number of bearing replacements, reduce maintenance costs, and extend the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rolling shaft protecting devices, in particular to a rolling shaft protecting device for a shredder in a stock yard, which comprises a base, a bearing is fixedly mounted in the base, a roll shaft is fixedly mounted on an inner ring of the bearing, a first protecting shell is fixedly mounted at the front end of the base, and a second protecting shell is fixedly mounted at the rear end of the base. A second protective shell is fixedly installed at the rear end of the base, the first protective shell and the second protective shell are arranged on the outer wall of the roller shaft in a sleeving mode, and the first protective shell and the second protective shell are filled with lubricating oil; a circulating assembly is fixedly mounted on the first protective shell, sleeves the outer wall of the roll shaft and is used for driving lubricating oil to circulate between the first protective shell and the second protective shell; and a filtering assembly is mounted between the first protective shell and the second protective shell. According to the utility model, the bearing can be effectively protected from being abraded by scraps, the replacement frequency and related maintenance cost of the bearing are reduced, the maintenance cost of equipment is reduced, and the cost is saved for enterprises.
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Description

Technical Field

[0001] The utility model relates to the technical field of roller protection devices, in particular to a roller protection device for a shredder in a material yard. Background Art

[0002] With the development of society, shredders in material yards are increasingly widely used in the field of material processing. The shredder rotates its internal roller shafts to shred and crush various materials to meet the needs of subsequent processing or reuse.

[0003] However, in the actual use process of the shredder, there are some problems. Due to the relatively harsh working environment of the shredder, a large amount of debris is generated when shredding materials. These debris easily enter the gap between the roller shaft and the bearing. Over time, the debris will continuously wear the bearing, resulting in the damage of the bearing. Once the bearing is severely worn, a new bearing must be replaced, which will not only cause the interruption of production, affect work efficiency, but also require a large amount of funds to replace the bearing. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the disadvantages existing in the prior art, and to propose a roller protection device for a shredder in a material yard.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a roller protection device for a shredder in a material yard, including a base, a bearing is fixedly installed inside the base, a roller shaft is fixedly installed on the inner ring of the bearing, a first protective shell is fixedly installed at the front end of the base, a second protective shell is fixedly installed at the rear end of the base, both the first protective shell and the second protective shell are sleeved on the outer wall of the roller shaft, and lubricating oil is filled inside the first protective shell and the second protective shell;

[0006] A circulation component is fixedly installed on the first protective shell, and the circulation component is sleeved on the outer wall of the roller shaft for driving the lubricating oil to circulate between the first protective shell and the second protective shell;

[0007] A filtering component is installed between the first protective shell and the second protective shell, and the filtering component is used for filtering impurities in the lubricating oil.

[0008] Further: a first ear plate is fixedly connected to the top of the first protective shell, a second ear plate is fixedly connected to the top of the second protective shell, and a first bolt is threadedly installed between the first ear plate and the second ear plate.

[0009] Further: a first shaft sleeve is fixedly connected to the front end of the first protective shell, a second shaft sleeve is fixedly connected to the rear end of the second protective shell, and both the first shaft sleeve and the second shaft sleeve are sleeved on the outer wall of the roller shaft.

[0010] Further: The circulating component includes a semi-circular shaft sleeve, a spiral conveying block, a third ear plate, and a second bolt. Two semi-circular shaft sleeves are fixedly installed on the outer wall of the roller shaft. The outer wall of the semi-circular shaft sleeve is connected to the spiral conveying block. Third ear plates are fixedly connected to both the upper and lower sides of the semi-circular shaft sleeve. A second bolt is threadedly installed between the opposite third ear plates on the two semi-circular shaft sleeves.

[0011] Further: An oil outlet hose is fixedly installed on the top of the second protective shell, and an oil return hose is fixedly installed on the top of the first protective shell. The tops of the oil outlet hose and the oil return hose are both fixedly installed on the filtering component.

[0012] Further: The filtering component includes a mounting shell, a filtering block, a cover plate, and a third bolt. The mounting shell is fixedly installed on the top of the base. The filtering block is fixedly installed inside the mounting shell. The cover plate is fixedly installed on the top of the mounting shell. A third bolt is threadedly installed between the mounting shell and the cover plate.

[0013] The utility model has the following beneficial effects:

[0014] 1. Compared with the prior art, by setting the base, the first protective shell, the second protective shell, the first ear plate, the second ear plate, and the first bolt, during use, the first protective shell is installed at the front end of the base, the second protective shell is installed at the rear end of the base, then the positions of the first ear plate and the second ear plate are aligned, and then the first protective shell and the second protective shell are fixedly installed on the base through the first bolt. In this way, the first protective shell and the second protective shell can prevent iron filings from entering the bearing during the use of the shredder, causing damage to the bearing. The utility model can effectively protect the bearing from debris wear, reduce the number of bearing replacements and related maintenance costs, lower the maintenance cost of the equipment, and save funds for the enterprise.

[0015] 2. Compared with the prior art, by setting the first protective shell, the second protective shell, the semi-circular shaft sleeve, the spiral conveying block, the oil outlet hose, the oil return hose, the mounting shell, and the filtering block, during use, the roller shaft rotates, driving the semi-circular shaft sleeve to rotate. By driving the spiral conveying block to rotate, the lubricating oil inside the first protective shell can be controlled to pass through the bearing and enter the inside of the second protective shell through the spiral conveying block to lubricate the bearing. Then, after the lubricating oil enters the inside of the second protective shell, it enters the oil outlet hose. Then, after the lubricating oil enters the mounting shell, it passes through the filtering block, and the impurities therein can be filtered. Then, it enters the inside of the first protective shell through the oil return hose, thus forming a cycle to continuously lubricate the bearing. The utility model can achieve continuous lubrication of the bearing, reduce the friction during the operation of the bearing, and extend the service life of the roller shaft and bearing of the shredder. Description of the Drawings

[0016] Figure 1 is the first perspective structural schematic diagram of the utility model;

[0017] Figure 2 This is the schematic structural view of the second perspective of the present utility model;

[0018] Figure 3 This is the schematic sectional view of the present utility model;

[0019] Figure 4 is Figure 3 the enlarged schematic structural view at position A in

[0020] Figure 5 This is the schematic view including the explosion structure of the circulation component in the present utility model.

[0021] Legend:

[0022] 1. Base; 2. Bearing; 3. Roller shaft; 4. First protective shell; 401. First ear plate; 402. First bushing; 5. Second protective shell; 501. Second ear plate; 502. Second bushing; 6. Circulation component; 601. Semi-circular bushing; 602. Spiral conveying block; 603. Third ear plate; 604. Second bolt; 7. Oil outlet hose; 8. Oil return hose; 9. Filter component; 901. Installation shell; 902. Filter block; 903. Cover plate; 904. Third bolt; 10. First bolt. Specific embodiments

[0023] Referring to Figures 1-5 , a roller shaft protection device for a material yard shredder provided by the present utility model: includes a base 1, a bearing 2 is fixedly installed inside the base 1, a roller shaft 3 is fixedly installed on the inner ring of the bearing 2, a first protective shell 4 is fixedly installed at the front end of the base 1, a second protective shell 5 is fixedly installed at the rear end of the base 1, both the first protective shell 4 and the second protective shell 5 are sleeved on the outer wall of the roller shaft 3, and the inside of the first protective shell 4 and the second protective shell 5 is filled with lubricating oil; a circulation component 6 is fixedly installed on the first protective shell 4, the circulation component 6 is sleeved on the outer wall of the roller shaft 3, and is used to drive the lubricating oil to circulate between the first protective shell 4 and the second protective shell 5; a filter component 9 is installed between the first protective shell 4 and the second protective shell 5, and the filter component 9 is used to filter impurities in the lubricating oil.

[0024] First, install the first protective shell 4 at the front end of the base 1 and the second protective shell 5 at the rear end of the base 1. By means of the first protective shell 4 and the second protective shell 5, it can be prevented that iron filings enter the bearing 2 during the use of the shredder, causing damage to the bearing 2. Then, during use, inject lubricating oil into the interiors of the first protective shell 4 and the second protective shell 5. Then the roller shaft 3 starts to rotate, driving the circulation component 6 to rotate together. Through the circulation component 6, the lubricating oil in the first protective shell 4 can be made to pass through the bearing 2 and enter the interior of the second protective shell 5, thus realizing the lubrication of the bearing 2. Then, the lubricating oil in the second protective shell 5 passes through the filtering component 9, and after the impurities therein are filtered, it enters the first protective shell 4 again.

[0025] A first ear plate 401 is fixedly connected to the top of the first protective shell 4, and a second ear plate 501 is fixedly connected to the top of the second protective shell 5. A first bolt 10 is threadedly installed between the first ear plate 401 and the second ear plate 501.

[0026] During use, install the first protective shell 4 at the front end of the base 1 and the second protective shell 5 at the rear end of the base 1. Then align the positions of the first ear plate 401 and the second ear plate 501, and then fixedly install the first protective shell 4 and the second protective shell 5 on the base 1 through the first bolt 10.

[0027] A first shaft sleeve 402 is fixedly connected to the front end of the first protective shell 4, and a second shaft sleeve 502 is fixedly connected to the rear end of the second protective shell 5. Both the first shaft sleeve 402 and the second shaft sleeve 502 are sleeved on the outer wall of the roller shaft 3.

[0028] During use, through the first shaft sleeve 402 and the second shaft sleeve 502, it can be prevented that iron filings enter the interiors of the first protective shell 4 and the second protective shell 5, causing bearing wear.

[0029] The circulation component 6 includes a semi-circular shaft sleeve 601, a spiral conveying block 602, a third ear plate 603, and a second bolt 604. Two semi-circular shaft sleeves 601 are fixedly installed on the outer wall of the roller shaft 3. A spiral conveying block 602 is connected to the outer wall of the semi-circular shaft sleeve 601. Third ear plates 603 are fixedly connected to both the upper and lower sides of the semi-circular shaft sleeve 601. A second bolt 604 is threadedly installed between the opposite third ear plates 603 on the two semi-circular shaft sleeves 601.

[0030] First, install the two semi-circular shaft sleeves 601 on the outer wall of the roller shaft 3. Then, through the cooperation of the third ear plate 603 and the second bolt 604, fixedly install the two semi-circular shaft sleeves 601 on the outer wall of the roller shaft 3. Then, when the roller shaft 3 rotates, it drives the semi-circular shaft sleeve 601 to rotate. By driving the spiral conveying block 602 to rotate, the lubricating oil in the first protective shell 4 can be conveyed to the first protective shell 4 through the spiral conveying block 602.

[0031] An oil outlet hose 7 is fixedly installed at the top of the second protective shell 5, and an oil return hose 8 is fixedly installed at the top of the first protective shell 4. The tops of the oil outlet hose 7 and the oil return hose 8 are both fixedly installed on the filtering assembly 9.

[0032] During use, after the lubricating oil enters the interior of the second protective shell 5, it enters the oil outlet hose 7, then passes through the filtering assembly 9 to filter out the impurities therein, and then enters the interior of the first protective shell 4 through the oil return hose 8.

[0033] The filtering assembly 9 includes a mounting shell 901, a filtering block 902, a cover plate 903 and a third bolt 904. The mounting shell 901 is fixedly installed at the top of the base 1. The filtering block 902 is fixedly installed inside the mounting shell 901. The cover plate 903 is fixedly installed at the top of the mounting shell 901. A third bolt 904 is threadedly installed between the mounting shell 901 and the cover plate 903.

[0034] During use, when the lubricating oil enters the mounting shell 901, it passes through the filtering block 902 to filter out the impurities therein. After use, the cover plate 903 is removed, and then the filtering block 902 is taken out for cleaning.

[0035] Working principle: First, install the two semi-circular shaft sleeves 601 on the outer wall of the roller shaft 3, and then through the cooperation of the third ear plate 603 and the second bolt 604, fixedly install the two semi-circular shaft sleeves 601 on the outer wall of the roller shaft 3. Then install the first protective shell 4 at the front end of the base 1 and the second protective shell 5 at the rear end of the base 1. Then align the positions of the first ear plate 401 and the second ear plate 501, and then fixedly install the first protective shell 4 and the second protective shell 5 on the base 1 through the first bolt 10.

[0036] Then during use, the roller shaft 3 rotates, driving the semi-circular shaft sleeve 601 to rotate. By driving the spiral conveying block 602 to rotate, the lubricating oil inside the first protective shell 4 can be controlled to pass through the bearing 2 and enter the interior of the second protective shell 5 to lubricate the bearing 2.

[0037] Then, after the lubricating oil enters the interior of the second protective shell 5, it enters the oil outlet hose 7. Then, after the lubricating oil enters the mounting shell 901, it passes through the filtering block 902 to filter out the impurities therein, and then enters the interior of the first protective shell 4 through the oil return hose 8, thus forming a cycle to continuously lubricate the bearing 2.

[0038] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A roller protection device for a stockyard shredder, comprising a base (1), characterized in that: A bearing (2) is fixedly installed inside the base (1). A roller shaft (3) is fixedly installed on the inner ring of the bearing (2). A first protective housing (4) is fixedly installed at the front end of the base (1). A second protective housing (5) is fixedly installed at the rear end of the base (1). Both the first protective housing (4) and the second protective housing (5) are sleeved on the outer wall of the roller shaft (3). The interiors of the first protective housing (4) and the second protective housing (5) are filled with lubricating oil; A circulation assembly (6) is fixedly installed on the first protective housing (4). The circulation assembly (6) is sleeved on the outer wall of the roller shaft (3) and is used to drive the lubricating oil to circulate between the first protective housing (4) and the second protective housing (5); A filtering assembly (9) is installed between the first protective housing (4) and the second protective housing (5). The filtering assembly (9) is used to filter impurities in the lubricating oil.

2. The roller protection device of a stockyard shredder according to claim 1, characterized in that: A first ear plate (401) is fixedly connected to the top of the first protective housing (4). A second ear plate (501) is fixedly connected to the top of the second protective housing (5). A first bolt (10) is threadedly installed between the first ear plate (401) and the second ear plate (501).

3. The roller protection device of a stockyard shredder according to claim 1, characterized in that: A first shaft sleeve (402) is fixedly connected to the front end of the first protective housing (4). A second shaft sleeve (502) is fixedly connected to the rear end of the second protective housing (5). Both the first shaft sleeve (402) and the second shaft sleeve (502) are sleeved on the outer wall of the roller shaft (3).

4. A roller protection device for a material yard shredder according to claim 1, characterized in that: The circulation assembly (6) includes a semi-circular shaft sleeve (601), a spiral conveying block (602), a third ear plate (603) and a second bolt (604). Two semi-circular shaft sleeves (601) are fixedly installed on the outer wall of the roller shaft (3). A spiral conveying block (602) is connected to the outer wall of the semi-circular shaft sleeve (601). Third ear plates (603) are fixedly connected to both the upper and lower sides of the semi-circular shaft sleeve (601). A second bolt (604) is threadedly installed between the opposite third ear plates (603) on the two semi-circular shaft sleeves (601).

5. The roller protection device of a stockyard shredder according to claim 1, characterized in that: An oil outlet hose (7) is fixedly installed on the top of the second protective housing (5). A return oil hose (8) is fixedly installed on the top of the first protective housing (4). The tops of the oil outlet hose (7) and the return oil hose (8) are both fixedly installed on the filtering assembly (9).

6. The roller protection device of a stockyard shredder according to claim 1, characterized in that: The filtering assembly (9) includes a mounting shell (901), a filtering block (902), a cover plate (903) and a third bolt (904). A mounting shell (901) is fixedly installed on the top of the base (1). A filtering block (902) is fixedly installed inside the mounting shell (901). A cover plate (903) is fixedly installed on the top of the mounting shell (901). A third bolt (904) is threadedly installed between the mounting shell (901) and the cover plate (903).