High-reliability reduction gearbox bearing

Abstract

The utility model relates to the field of bearings, in particular to a high-reliability reduction gearbox bearing which comprises a lower bearing seat, an outer ring, an upper bearing seat, an inner ring, a rolling body and a copper pipe, the outer ring is arranged on the inner wall of the lower bearing seat, the inner ring is arranged on the inner wall of the outer ring, the rolling body is installed between the outer ring and the inner ring, and the outer wall of the outer ring is fixedly connected with a limiting block. Limiting grooves are formed in the edge of the inner wall of the lower bearing seat, the limiting blocks are matched with the limiting grooves, screw grooves which are symmetrical left and right are formed in the outer wall of the inner ring in a penetrating mode, and screws are installed in the screw grooves in a threaded mode. The connecting shaft can be fixed to the inner wall of the inner ring through the screw, the stability between the connecting shaft and the inner ring is improved, the additionally-arranged heat dissipation structure can absorb heat generated by the rolling body through the copper pipe and the metal fins, the heat is discharged through the heat dissipation fan, the bearing can be cooled, and the thermal expansion phenomenon of the outer ring is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the bearing field, concretely relates to a high reliability reduction gearbox bearing. BACKGROUND

[0002] The reduction gearbox bearing is a kind of bearing specially designed for reduction gearbox, and its core target is to ensure long-term stable operation under complex and severe working conditions, with long service life and low failure rate, and the bearing is usually used in the fields of industrial equipment, engineering machinery, wind power generation, ship, automobile and the like, and its reliability is directly related to the performance of reduction gearbox and the overall operation efficiency of equipment.

[0003] The existing reduction gearbox bearing needs to fix the shaft head of connecting shaft in bearing to limit the rotation of connecting shaft and maintain high reliability when being used, and in some special environments, high-speed rotation of rotating shaft may cause certain vibration, when vibration is more frequent or more intense, the connection between rotating shaft and bearing may be loose, when the looseness is larger, it may affect the work of rotating shaft and produce larger noise, and high temperature produced when rotating shaft operates for a long time can cause thermal expansion of bearing, which can affect the rotation of rotating shaft. UTILITY MODEL CONTENTS

[0004] In order to overcome the problem that the reduction gearbox bearing may be loose when being used and thermal expansion occurs under high temperature, a high-reliability reduction gearbox bearing is provided.

[0005] The technical scheme of the utility model is as follows: a high-reliability reduction gearbox bearing, which comprises a lower bearing seat and an outer ring, and further comprises an upper bearing seat, an inner ring, a rolling body and a copper pipe, the inner wall of the lower bearing seat is provided with the outer ring, the inner wall of the outer ring is provided with the inner ring, the rolling body is installed between the outer ring and the inner ring, the outer wall of the outer ring is fixedly connected with a limiting block, a limiting groove is formed in the edge of the inner wall of the lower bearing seat, the limiting block is matched with the limiting groove, a left-right symmetrical screw groove is formed in the outer wall of the inner ring, a screw is screwed in the screw groove, the upper end of the lower bearing seat is hingedly connected with the upper bearing seat, limiting rings are fixedly connected to the front and rear ends of the upper bearing seat, the ends of the limiting rings close to each other are in close contact with the front and rear ends of the outer ring, the outer wall of the outer ring is in close contact with the inner walls of the lower bearing seat and the upper bearing seat, a groove is formed in the center of the inner wall of the lower bearing seat, a circular groove is formed in the left and right ends of the lower bearing seat, the circular groove is in communication with the groove, a copper pipe and a metal fin are fixedly connected in the groove, a cooling fan is fixedly connected to one end of the copper pipe penetrating through the circular groove, and the upper end of the metal fin is in close contact with the outer wall of the outer ring.

[0006] Further, a through hole is formed in the center of the upper end of the outer ring, and an oil groove is formed in the center of the upper end of the upper bearing seat.

[0007] Further, the through hole corresponds to the oil groove one by one, and a sealing cover is arranged on the inner wall of the upper end of the oil groove.

[0008] Further, a lower fixed block is fixedly connected to the upper end edge of the lower bearing seat, and two threaded holes one are formed through the upper end of the lower fixed block.

[0009] Further, an upper fixed block is fixedly connected to the lower end edge of the upper bearing seat, and a threaded hole three is formed through the upper end of the upper fixed block.

[0010] Further, a bolt is screw-mounted in the threaded hole three, and the bolt is screw-mounted in the threaded hole one through the threaded hole three.

[0011] Further, the threaded hole two is formed through the upper end edge of the lower bearing seat and is symmetrical left and right, the upper end of the threaded hole two is fixedly connected with a rubber ring, and the lower end of the lower bearing seat is provided with a shock pad.

[0012] The utility model discloses beneficial effect:

[0013] 1. through fixedly connecting the limiting block on the outer wall of the outer ring, and setting the limiting slot on the inner wall of the lower bearing seat, the stability of the outer ring is improved by the adhesion of the limiting block and the limiting slot, the outer ring is further limited by the limiting ring, and the screw in the screw groove is screw-mounted in the threaded hole one through the threaded hole three.

[0014] 2. through the groove in the inner wall of the lower bearing seat, the metal fin and the copper pipe are fixedly connected in the groove, and the heat dissipation fan is installed at one end of the copper pipe, the heat generated by the rolling body can be dissipated, compared with the existing speed reducer bearing, the heat dissipation structure can absorb the heat generated by the rolling body through the copper pipe and the metal fin, and the heat dissipation fan can discharge the heat, so that the bearing can be cooled, and the thermal expansion phenomenon of the outer ring can be avoided. DRAWINGS

[0015] Figure 1 The utility model discloses beneficial effect:

[0016] Figure 2 The utility model discloses beneficial effect:

[0017] Figure 3 The utility model discloses beneficial effect:

[0018] Figure 4 The utility model discloses beneficial effect:

[0019] Figure 5 The diagram shown is a three-dimensional disassembled view of the upper bearing seat and bolts of this utility model.

[0020] Figure 6 The diagram shown is a three-dimensional structural schematic of the copper pipe and cooling fan of this utility model.

[0021] Explanation of reference numerals in the attached diagram: 1. Lower bearing housing; 2. Outer ring; 3. Upper bearing housing; 4. Inner ring; 5. Rolling element; 6. Limiting block; 7. Threaded groove; 8. Screw; 9. Through hole; 10. Limiting groove; 11. Groove body; 12. Circular groove; 13. Lower fixing block; 14. Threaded hole one; 15. Threaded hole two; 16. Rubber ring; 17. Shock-absorbing pad; 18. Limiting ring; 19. Upper fixing block; 20. Threaded hole three; 21. Bolt; 22. Oil groove; 23. Copper pipe; 24. Metal fins; 25. Cooling fan. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please see Figures 1-6 This utility model provides an embodiment of a high-reliability gearbox bearing, including a lower bearing housing 1 and an outer ring 2, as well as an upper bearing housing 3, an inner ring 4, rolling elements 5, and a copper tube 23. The inner wall of the lower bearing housing 1 is provided with the outer ring 2, and the inner wall of the outer ring 2 is provided with the inner ring 4. Rolling elements 5 are installed between the outer ring 2 and the inner ring 4. A limiting block 6 is fixedly connected to the outer wall of the outer ring 2. A limiting groove 10 is formed at the edge of the inner wall of the lower bearing housing 1, and the limiting block 6 is adapted to the limiting groove 10. A symmetrical threaded groove 7 is formed through the outer wall of the inner ring 4, and a screw 8 is installed in the threaded groove 7. The lower bearing housing 1... The upper bearing seat 3 is hinged to the upper end. Limiting rings 18 are fixed to the front and rear ends of the upper bearing seat 3. The ends of the limiting rings 18 that are close to each other are in contact with the front and rear ends of the outer ring 2. The outer wall of the outer ring 2 is in contact with the inner wall of the lower bearing seat 1 and the upper bearing seat 3. A groove 11 is opened in the center of the inner wall of the lower bearing seat 1. Circular grooves 12 are opened through the left and right ends of the lower bearing seat 1. The circular grooves 12 are connected to the groove 11. A copper tube 23 and a metal fin 24 are fixed in the groove 11. One end of the copper tube 23 passes through the circular groove 12 and is fixed with a cooling fan 25. The upper end of the metal fin 24 is in contact with the outer wall of the outer ring 2.

[0024] By fixing the limiting block 6 to the outer wall of the outer ring 2 and opening the limiting groove 10 on the inner wall of the lower bearing seat 1, the limiting block 6 fits into the limiting groove 10 to improve the stability of the outer ring 2. The limiting ring 18 can further limit the outer ring 2. The screw 8 installed in the threaded groove 7 can fix the connecting shaft and improve the stability between the connecting shaft and the inner ring 4. Furthermore, by opening the groove 11 on the inner wall of the lower bearing seat 1, the metal fins 24 and the copper tube 23 are fixed in the groove 11, and a cooling fan 25 is installed at one end of the copper tube 23 to dissipate the heat generated by the rolling element 5 and prevent the outer ring 2 from thermally expanding.

[0025] Please see Figures 3-5 In this embodiment, a through hole 9 is provided through the center of the upper outer wall of the outer ring 2, and an oil groove 22 is provided through the center of the upper outer wall of the upper bearing seat 3. During use, lubricating oil can enter the inner ring 4 and the rolling element 5 through the through hole 9, and lubricating oil is stored in the oil groove 22. The through hole 9 and the oil groove 22 correspond one-to-one. A sealing cap is installed on the upper inner wall of the oil groove 22. During use, the sealing cap can seal the oil groove 22 to prevent lubricating oil from overflowing.

[0026] Please see Figure 4 In this embodiment, a second threaded hole 15 with left and right symmetry is provided through the upper edge of the lower bearing seat 1. A rubber ring 16 is fixed to the upper end of the second threaded hole 15, and a shock-absorbing pad 17 is provided at the lower end of the lower bearing seat 1. In use, the lower bearing seat 1 can be fixed in the gearbox through the second threaded hole 15, and the rubber ring 16 and the shock-absorbing pad 17 can provide shock absorption for the lower bearing seat 1.

[0027] Please see Figures 4-5 In this embodiment, a lower fixing block 13 is fixedly connected to the upper edge of the lower bearing seat 1. Two threaded holes 14 are opened through the upper end of the lower fixing block 13. In use, the threaded holes 14 can be opened through the lower fixing block 13 to fix the lower bearing seat 1. An upper fixing block 19 is fixedly connected to the lower edge of the upper bearing seat 3. A threaded hole 20 is opened through the upper end of the upper fixing block 19. In use, the threaded hole 20 can be opened through the upper fixing block 19 to fix the upper bearing seat 3. A bolt 21 is installed in the threaded hole 20. The bolt 21 passes through the threaded hole 20 and is threaded in the threaded hole 14. In use, the bolt 21 can connect and fix the upper bearing seat 3 and the lower bearing seat 1, which facilitates the disassembly and assembly of the outer ring 2.

[0028] During operation, first, flip and open the upper bearing housing 3, align the outer wall of the outer ring 2 with the inner wall of the lower bearing housing 1, and slide the limiting block 6 into the limiting groove 10 to install the outer ring 2. Next, flip and close the upper bearing housing 3, align the bolt 21 with the threaded hole 20, and screw it in, ensuring the bolt 21 is threaded into the threaded hole 14, thus completing the installation of the outer ring 2. Then, place the shock-absorbing pad 17 at the desired installation position, place the lower bearing housing 1 above the shock-absorbing pad 17, and thread the mounting stud through the threaded hole 15 into the gearbox. Finally, slide the shaft head of the bearing shaft onto the inner wall of the inner ring 4, and rotate the screw 8 to embed it into the shaft head.

[0029] Through the above steps, the outer wall of the outer ring 2 is fixedly connected to the limiting block 6, and the inner wall of the lower bearing seat 1 is opened with the limiting groove 10, so that the limiting block 6 fits into the limiting groove 10 to improve the stability of the outer ring 2. The limiting ring 18 can further limit the outer ring 2. The screw 8 installed in the threaded groove 7 can fix the connecting shaft. The groove 11 opened in the inner wall of the lower bearing seat 1 is used to fix the metal fin 24 and the copper tube 23. A cooling fan 25 is installed at one end of the copper tube 23, which solves the problem that the gearbox bearing may loosen during use and thermal expansion under high temperature.

Claims

1. A high-reliability gearbox bearing, comprising a lower bearing housing (1) and an outer ring (2), characterized in that: It also includes an upper bearing housing (3), an inner ring (4), rolling elements (5), and a copper tube (23). The inner wall of the lower bearing housing (1) is provided with an outer ring (2), and the inner wall of the outer ring (2) is provided with an inner ring (4). A rolling element (5) is installed between the outer ring (2) and the inner ring (4). A limit block (6) is fixedly connected to the outer wall of the outer ring (2). A limit groove (10) is opened at the edge of the inner wall of the lower bearing housing (1). The limit block (6) is adapted to the limit groove (10). A symmetrical threaded groove (7) is opened through the outer wall of the inner ring (4). A screw (8) is installed in the threaded groove (7). The upper bearing housing (3) is hinged to the upper end of the lower bearing housing (1). The upper bearing housing (3) Limiting rings (18) are fixed to the front and rear ends of the outer ring (2). The end of the limiting rings (18) that are close to each other is in contact with the front and rear ends of the outer ring (2). The outer wall of the outer ring (2) is in contact with the inner wall of the lower bearing seat (1) and the upper bearing seat (3). A groove (11) is provided in the center of the inner wall of the lower bearing seat (1). A circular groove (12) is provided through the left and right ends of the lower bearing seat (1). The circular groove (12) is connected to the groove (11). A copper tube (23) and a metal fin (24) are fixed in the groove (11). One end of the copper tube (23) passes through the circular groove (12) and is fixed with a cooling fan (25). The upper end of the metal fin (24) is in contact with the outer wall of the outer ring (2).

2. The high-reliability gearbox bearing according to claim 1, characterized in that: A through hole (9) is provided through the center of the upper outer wall of the outer ring (2), and an oil groove (22) is provided through the center of the upper outer wall of the upper bearing seat (3).

3. A high-reliability gearbox bearing according to claim 2, characterized in that: The through hole (9) corresponds one-to-one with the oil groove (22), and a sealing cap is installed on the upper inner wall of the oil groove (22).

4. A high-reliability gearbox bearing according to claim 3, characterized in that: A lower fixing block (13) is fixedly connected to the upper edge of the lower bearing housing (1), and two threaded holes (14) are opened through the upper end of the lower fixing block (13).

5. A high-reliability gearbox bearing according to claim 4, characterized in that: An upper fixing block (19) is fixedly connected to the lower edge of the upper bearing housing (3), and a threaded hole (20) is opened through the upper end of the upper fixing block (19).

6. A high-reliability gearbox bearing according to claim 5, characterized in that: A bolt (21) is installed in the internal thread of threaded hole three (20). The bolt (21) passes through threaded hole three (20) and is threaded in threaded hole one (14).

7. A high-reliability gearbox bearing according to claim 6, characterized in that: The upper edge of the lower bearing housing (1) is provided with two threaded holes (15) that are symmetrically arranged on the left and right sides. A rubber ring (16) is fixed to the upper end of the threaded hole (15), and a shock-absorbing pad (17) is provided at the lower end of the lower bearing housing (1).

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