Thin oil assembly of vertical shaft type impact crusher

Abstract

The utility model discloses a thin oil assembly of a vertical shaft type impact crusher, and relates to the technical field of thin oil assemblies of crushers. Comprising a shaft sleeve, a first cylindrical roller bearing is installed at the position, close to the upper side, of the inner wall of the shaft sleeve, a main shaft is installed in the first cylindrical roller bearing and inserted into the lower side of the lower side wall of the shaft sleeve, and an upper bearing gland and an upper dustproof cover are sequentially installed between the first cylindrical roller bearing and the upper surface of the shaft sleeve and between the first cylindrical roller bearing and the outer surface of the main shaft from bottom to top; and the upper bearing gland is locked and fixed with the shaft sleeve through a first locking bolt. The first cylindrical roller bearing is arranged above the main shaft, the second cylindrical roller bearing and the deep groove ball bearing are arranged below the main shaft, the production cost is reduced, thin oil is adopted for lubrication, the temperature of the bearings is stabilized at 65-80 DEG C, the service life of the bearings is prolonged, a temperature sensing probe is installed on a thin oil station to monitor the temperature of inlet oil and return oil in real time, data information is provided for operators, and the working efficiency is improved. And the performance of the machine is more known, so that better operation is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of a crusher thin oil assembly, in particular to a vertical shaft impact crusher thin oil assembly. Background Art

[0002] Crusher, also known as stone crusher, is a crushing machine used in the processing of metal and non-metallic ores, which can crush the mined raw ore into small particles by squeezing and bending.

[0003] In the prior art, vertical shaft impact crushers are widely used in the fine crushing and shaping of metal and non-metallic ores, building aggregates, artificial sand and various metal slags due to their simple structure, easy operation, maintenance and installation, and the ability to produce high-quality products of various particle sizes and high production efficiency. Traditional vertical shaft impact crushers use lithium-based grease lubrication. Lithium-based grease lubrication has a high temperature, which greatly reduces the service life of the bearings and makes it difficult to control the temperature of the lubricating oil, resulting in poor lubrication effect. Utility Model Content

[0004] The utility model provides a vertical shaft impact crusher thin oil assembly to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vertical shaft impact crusher thin oil assembly, including a sleeve, the sleeve is a hollow structure with upper and lower openings, a first cylindrical roller bearing is installed on the inner wall of the sleeve near the upper side, a main shaft is installed in the first cylindrical roller bearing, and the main shaft is inserted on the lower side of the lower side wall of the sleeve, an upper bearing pressure cover and an upper dust cover are installed in sequence from bottom to top between the first cylindrical roller bearing and the upper surface of the sleeve and the outer surface of the main shaft, the upper bearing pressure cover is locked and fixed with the sleeve by a first locking bolt, and a position between the outer surface of the main shaft and the inner wall of the sleeve near the lower side is A second cylindrical roller bearing and a deep groove ball bearing are installed in sequence from top to bottom, a lower bearing cover is installed on the deep groove ball bearing at a position corresponding to the lower surface of the sleeve and the outer side of the main shaft through a second locking bolt, and a limiting mechanism is arranged on the main shaft corresponding to the lower surface of the lower bearing cover, an oil retaining ring and an oil seal assembly are installed in sequence from top to bottom between the inner wall of the lower bearing cover and the main shaft, an oil inlet hole is opened on the side wall of the sleeve at a position corresponding to the deep groove ball bearing, an oil return hole is opened on the side wall of the lower bearing cover, a tapered sleeve is fixedly installed on the outer surface of the main shaft near the lower side, and a main engine pulley is arranged on the outer surface of the tapered sleeve.

[0006] Furthermore, a first sealing member is provided between the inner wall of the upper bearing cover and the outer surface of the upper dust cover.

[0007] Furthermore, a second sealing member is provided between the inner wall of the upper dust cover and the outer surface of the main shaft.

[0008] Furthermore, a third sealing member is provided between the outer surface of the oil seal assembly and the inner wall of the lower bearing gland.

[0009] Furthermore, the limiting mechanism includes a stop washer and a round nut, and the stop washer and the round nut are sequentially installed on the main shaft corresponding to the lower surface of the lower bearing cover from top to bottom.

[0010] Furthermore, the main engine pulley and the tapered sleeve are connected and fixed by a third locking bolt.

[0011] Compared with the prior art, the utility model provides a vertical shaft impact crusher thin oil assembly, which has the following beneficial effects:

[0012] 1. The vertical shaft impact crusher thin oil assembly adopts the first cylindrical roller bearing to install the upper part of the shaft sleeve and the main shaft, and adopts the second cylindrical roller bearing and deep groove ball bearing to install the lower part, so that the main shaft installation is more stable and firm, and the production cost is reduced.

[0013] 2. The thin oil assembly of the vertical shaft impact crusher is provided with lubricating oil between the shaft sleeve and the main shaft, and the oil inlet hole and the oil return hole are connected with the thin oil station assembly through a high-pressure oil pipe. The lubricating oil is pressurized by the oil pump driven by the motor on the thin oil station and flows into the thin oil assembly, and the assembly is lubricated. Under the action of gravity, the lubricating oil returns to the oil tank of the thin oil station through the return oil pipe to form a loop. The thin oil station is equipped with a temperature sensor to monitor the oil inlet and return oil temperature in real time, providing data for the operator to better understand the performance of the machine for better operation, so as to achieve the use of thin oil lubrication, stabilize the bearing temperature at 65℃-80℃, and extend the service life of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is an exploded view of the utility model;

[0016] Figure 3 It is a bottom view of the utility model;

[0017] Figure 4 This is a front cross-sectional view of the utility model;

[0018] Figure 5 It is a right side sectional view of the utility model.

[0019] In the figure: 1. sleeve; 2. first cylindrical roller bearing; 3. main shaft; 4. upper bearing cover; 5. upper dust cover; 6. first locking bolt; 7. second cylindrical roller bearing; 8. deep groove ball bearing; 9. second locking bolt; 10. lower bearing cover; 11. limiting mechanism; 111. stop washer; 112. round nut; 12. oil retaining ring; 13. oil seal assembly; 14. oil inlet hole; 15. oil return hole; 16. taper sleeve; 17. main machine pulley; 18. first seal; 19. second seal; 20. third seal; 21. third locking bolt. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 5 The utility model discloses a vertical shaft impact crusher thin oil assembly, including a sleeve 1, the sleeve 1 is a hollow structure with upper and lower openings, a first cylindrical roller bearing 2 is installed near the upper side of the inner wall of the sleeve 1, a main shaft 3 is installed in the first cylindrical roller bearing 2, and the main shaft 3 is inserted at the lower side of the lower side wall of the sleeve 1, an upper bearing pressure cover 4 and an upper dust cover 5 are installed in sequence from bottom to top between the first cylindrical roller bearing 2 and the upper surface of the sleeve 1 and the outer surface of the main shaft 3, the upper bearing pressure cover 4 is locked and fixed with the sleeve 1 by a first locking bolt 6, and a second cylindrical roller bearing is installed in sequence from top to bottom between the outer surface of the main shaft 3 and the inner wall of the sleeve 1 near the lower side. The sub-bearing 7 and the deep groove ball bearing 8, the deep groove ball bearing 8 is installed with a lower bearing cover 10 at a position corresponding to the lower surface of the sleeve 1 and the outer side of the main shaft 3 through a second locking bolt 9, and a limiting mechanism 11 is arranged on the main shaft 3 corresponding to the lower surface of the lower bearing cover 10, an oil retaining ring 12 and an oil seal assembly 13 are successively installed between the inner wall of the lower bearing cover 10 and the main shaft 3 from top to bottom, an oil inlet hole 14 is opened at a position corresponding to the deep groove ball bearing 8 on the side wall of the sleeve 1, an oil return hole 15 is opened on the side wall of the lower bearing cover 10, a tapered sleeve 16 is fixedly installed on the outer surface of the main shaft 3 near the lower side, and a main engine pulley 17 is arranged on the outer surface of the tapered sleeve 16.

[0022] Specifically, a first sealing member 18 is provided between the inner wall of the upper bearing cover 4 and the outer surface of the upper dust cover 5 .

[0023] In this embodiment, the first sealing member 18 provides a better sealing effect between the inner wall of the upper bearing cover 4 and the outer surface of the upper dust cover 5 .

[0024] Specifically, a second sealing member 19 is provided between the inner wall of the upper dust cover 5 and the outer surface of the main shaft 3 .

[0025] In this embodiment, the second sealing member 19 provides a better sealing effect between the inner wall of the upper dust cover 5 and the outer surface of the main shaft 3 .

[0026] Specifically, a third sealing member 20 is provided between the outer surface of the oil seal assembly 13 and the inner wall of the lower bearing gland 10 .

[0027] In this embodiment, the third sealing member 20 provides a better oil-proof sealing effect between the outer surface of the oil seal assembly 13 and the inner wall of the lower bearing gland 10 .

[0028] Specifically, the limiting mechanism 11 includes a stop washer 111 and a round nut 112 , and the stop washer 111 and the round nut 112 are sequentially installed on the main shaft 3 corresponding to the lower surface of the lower bearing cover 10 from top to bottom.

[0029] In this embodiment, the stop washer 111 and the round nut 112 are installed on the main shaft 3 to achieve the effect of limiting and fixing the oil seal assembly 13.

[0030] Specifically, the main engine pulley 17 and the tapered sleeve 16 are connected and fixed by a third locking bolt 21 .

[0031] In this embodiment, the third locking bolt 21 ensures a firm and stable connection between the main engine pulley 17 and the taper sleeve 16 , and facilitates the disassembly and assembly of the main engine pulley 17 .

[0032] When in use, the first cylindrical roller bearing 2 is installed above the sleeve 1 and the main shaft 3, and the second cylindrical roller bearing 7 and the deep groove ball bearing 8 are installed below the sleeve 1 and the main shaft 3, so that the installation of the main shaft 3 is more stable and firm, the production cost is reduced, and it is convenient to disassemble and assemble, so that it is convenient for maintenance in the later stage. A cavity is formed between the sleeve 1 and the main shaft 3 and filled with lubricating oil, and the oil inlet hole 14 and the oil return hole 15 are connected with the thin oil station assembly through a high-pressure oil pipe. The lubricating oil is driven by the motor on the thin oil station to drive the oil pump to flow into the thin oil assembly under pressure, and the assembly is lubricated. Under the action of gravity, the lubricating oil returns to the oil tank of the thin oil station through the oil return pipe to form a loop. The thin oil station is equipped with a temperature sensing probe to monitor the oil inlet and return oil temperature in real time, provide data for the operator, and have a better understanding of the performance of the machine for better operation, so as to achieve the use of thin oil lubrication, the bearing temperature is stabilized at 65℃-80℃, the temperature between the sleeve 1 and the main shaft 3 is lower, and the service life of the bearing is extended.

[0033] In summary, the vertical shaft impact crusher thin oil assembly adopts the first cylindrical roller bearing 2 above the main shaft 3, and the second cylindrical roller bearing 7 and deep groove ball bearing 8 below it, which reduces the production cost and adopts thin oil lubrication. The bearing temperature is stabilized at 65℃-80℃, which prolongs the service life of the bearing. The thin oil station is equipped with a temperature sensor to monitor the oil inlet and return temperature in real time, providing data for the operator to better understand the performance of the machine for better operation.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vertical shaft impact crusher oil thinning assembly, comprising a shaft sleeve (1), characterized in that: The shaft sleeve (1) is a hollow structure with upper and lower openings. A first cylindrical roller bearing (2) is installed near the upper side of the inner wall of the shaft sleeve (1). A main shaft (3) is installed in the first cylindrical roller bearing (2), and the main shaft (3) is inserted at the lower side of the lower side wall of the shaft sleeve (1). An upper bearing cover (4) and an upper dust cover (5) are installed in sequence from bottom to top between the first cylindrical roller bearing (2), the upper surface of the shaft sleeve (1) and the outer surface of the main shaft (3). The upper bearing cover (4) is locked and fixed to the shaft sleeve (1) by a first locking bolt (6). A second cylindrical roller bearing (7) and a deep groove ball bearing (8) are installed in sequence from top to bottom between the outer surface of the main shaft (3) and the inner wall of the shaft sleeve (1) near the lower side. The deep groove ball bearing (8) A lower bearing cover (10) is installed at a position corresponding to the lower surface of the bearing sleeve (1) and the outer side of the main shaft (3) through a second locking bolt (9), and a limiting mechanism (11) is arranged on the main shaft (3) corresponding to the lower surface of the lower bearing cover (10). An oil retaining ring (12) and an oil seal assembly (13) are arranged in sequence from top to bottom between the inner wall of the lower bearing cover (10) and the main shaft (3). An oil inlet hole (14) is provided on the side wall of the shaft sleeve (1) at a position corresponding to the deep groove ball bearing (8), and an oil return hole (15) is provided on the side wall of the lower bearing cover (10). A tapered sleeve (16) is fixedly installed on the outer surface of the main shaft (3) near the lower side, and a main machine pulley (17) is arranged on the outer surface of the tapered sleeve (16).

2. The vertical shaft impact crusher thin oil assembly according to claim 1, characterized in that: A first sealing member (18) is provided between the inner wall of the upper bearing cover (4) and the outer surface of the upper dust cover (5).

3. The vertical shaft impact crusher thin oil assembly according to claim 1, characterized in that: A second sealing member (19) is provided between the inner wall of the upper dust cover (5) and the outer surface of the main shaft (3).

4. The vertical shaft impact crusher thin oil assembly according to claim 1, characterized in that: A third sealing member (20) is provided between the outer surface of the oil seal assembly (13) and the inner wall of the lower bearing cover (10).

5. The vertical shaft impact crusher thin oil assembly according to claim 1, characterized in that: The limiting mechanism (11) comprises a stop washer (111) and a round nut (112), and the stop washer (111) and the round nut (112) are sequentially mounted on the main shaft (3) corresponding to the lower surface of the lower bearing cover (10) from top to bottom.

6. The vertical shaft impact crusher thin oil assembly according to claim 1, characterized in that: The main engine pulley (17) and the cone sleeve (16) are connected and fixed via a third locking bolt (21).

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