Double-row cylindrical roller bearing with lubricating function

Abstract

The utility model discloses a double-row cylindrical roller bearing with a lubricating function, which belongs to the technical field of cylindrical roller bearings and comprises a bearing outer ring and a bearing inner ring, a retainer is arranged between the bearing outer ring and the bearing inner ring, a cylindrical roller is mounted on the inner wall of the retainer, and the cylindrical roller is arranged on the inner wall of the retainer. An auxiliary lubricating structure is arranged on the inner wall of the bearing outer ring, an auxiliary dismounting and mounting structure is arranged between the auxiliary lubricating structure and the bearing outer ring, the auxiliary lubricating structure comprises an annular clamping groove, and the annular clamping groove is formed in the inner wall of one side of the bearing outer ring. According to the double-row cylindrical roller bearing with the lubricating function, an auxiliary lubricating structure is arranged and can be matched with a sliding barrel and a fixed rod under the action of components such as a round cover plate and an auxiliary rod, so that lubricating oil can fall to an oil outlet, and then the internal lubricating oil can flow out from the oil outlet; and therefore, auxiliary lubrication can be carried out between the bearing outer ring and the retainer, and friction can be reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of cylindrical roller bearings, and particularly relates to a double-row cylindrical roller bearing with a lubricating function. Background Technique

[0002] A centripetal rolling bearing with rolling elements being cylindrical rollers is called a cylindrical roller bearing, and a double-row cylindrical roller bearing refers to a cylindrical roller bearing with two sets of rolling elements arranged inside. The application range of cylindrical roller bearings is relatively wide, so the demand is relatively high.

[0003] The existing cylindrical roller bearings mainly include an outer bearing ring, an inner bearing ring, a cage and rolling elements. During use, the rolling elements and the cage are installed, and then installed with the outer bearing ring and the inner bearing ring, and then they can be used in cooperation.

[0004] However, during actual use, friction will be generated between the outer bearing ring, the inner bearing ring and the cage and the rolling elements. Longer friction time will exacerbate the wear of the components, and then shorten the overall service life of the bearing. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] In order to overcome the above defects of the prior art, the utility model provides a double-row cylindrical roller bearing with a lubricating function, which solves the problem that during actual use, friction will be generated between the outer bearing ring, the inner bearing ring and the cage and the rolling elements, and longer friction time will exacerbate the wear of the components, and then shorten the overall service life of the bearing.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the utility model provides the following technical solutions: A double-row cylindrical roller bearing with a lubricating function includes an outer bearing ring and an inner bearing ring. A cage is arranged between the outer bearing ring and the inner bearing ring. Cylindrical rollers are installed on the inner wall of the cage. An auxiliary lubricating structure is arranged on the inner wall of the outer bearing ring. An auxiliary disassembly and assembly structure is arranged between the auxiliary lubricating structure and the outer bearing ring. The auxiliary lubricating structure includes an annular card slot, which is opened on one inner wall of the outer bearing ring. A lubricating oil ring frame is clamped on the inner wall of the annular card slot. A rectangular slot is opened on the inner wall of the outer bearing ring on one side of the annular card slot.

[0009] As a further solution of the utility model: A rectangular auxiliary frame is fixedly connected to the inner wall of the lubricating oil ring frame. An oil outlet is opened at the bottom of the rectangular auxiliary frame. The rectangular auxiliary frame is inserted into the inner wall of the rectangular slot.

[0010] As a further solution of the present utility model: a fixing rod is fixedly connected to the inner wall of the lubricating oil ring frame, a sliding cylinder is slidably connected to the bottom end of the fixing rod, a return spring is sleeved on the outer surface of the fixing rod, and two ends of the return spring are respectively fixedly connected to the outer surfaces of the lubricating oil ring frame and the sliding cylinder.

[0011] As a further solution of the present utility model: a circular cover plate is fixedly connected to the bottom of the outer surface of the sliding cylinder, and an auxiliary rod is fixedly connected to the bottom of the outer surface of the circular cover plate.

[0012] As a further solution of the present utility model: a ring clamping block is fixedly connected to the bottom of the outer surface of the circular cover plate, and a ring clamping groove is formed in the inner wall of the rectangular auxiliary frame.

[0013] As a further solution of the present utility model: the auxiliary disassembly and assembly structure includes a circular insertion hole, the circular insertion hole is formed in the inner wall of the outer ring of the bearing, and an annular plate is fixedly connected to one side of the outer surface of the outer ring of the bearing.

[0014] As a further solution of the present utility model: a threaded insertion rod is fixedly connected to one side of the outer surface of the lubricating oil ring frame, the threaded insertion rod is inserted into the inner wall of the circular insertion hole, and a fixing nut is threadedly connected to one end of the threaded insertion rod.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] 1. For the double-row cylindrical roller bearing with a lubricating function, by setting the auxiliary lubrication structure, under the action of components such as the circular cover plate and the auxiliary rod, it can cooperate with the sliding cylinder and the fixing rod, so that the lubricating oil can fall to the oil outlet, and then the internal lubricating oil can flow out from the oil outlet, thereby assisting in lubricating between the outer ring of the bearing and the cage, and then reducing friction.

[0018] 2. For the double-row cylindrical roller bearing with a lubricating function, by setting the ring clamping block and the ring clamping groove, it can seal between the circular cover plate and the rectangular auxiliary frame, and then ensure that the oil outlet can remain sealed when oil is not required to flow out.

[0019] 3. For the double-row cylindrical roller bearing with a lubricating function, by setting the auxiliary disassembly and assembly structure, under the action of the threaded insertion rod and the fixing nut, it can cooperate with the circular insertion hole for auxiliary disassembly, assembly and fixation, and then facilitate the disassembly and assembly of the lubricating oil ring frame. Description of the drawings

[0020] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0021] Figure 2Schematic three-dimensional structure diagram of the outer ring of the bearing of the present utility model;

[0022] Figure 3 Schematic three-dimensional structure diagram of the lubricating oil ring frame of the present utility model;

[0023] Figure 4 For the present utility model Figure 3 Enlarged view of part A in;

[0024] Figure 5 Schematic three-dimensional structure diagram of the threaded plug rod of the present utility model;

[0025] Figure 6 Schematic three-dimensional structure diagram of the annular plate of the present utility model;

[0026] In the figure: 1. Outer ring of bearing; 2. Inner ring of bearing; 3. Cage; 4. Cylindrical roller; 5. Auxiliary lubrication structure; 51. Annular card slot; 52. Rectangular slot; 53. Lubricating oil ring frame; 54. Fixed rod; 55. Sliding cylinder; 56. Return spring; 57. Auxiliary rod; 58. Rectangular auxiliary frame; 59. Oil outlet; 510. Circular cover plate; 511. Ring card slot; 512. Ring card block; 6. Auxiliary disassembly and assembly structure; 61. Circular socket; 62. Threaded plug rod; 63. Fixed nut; 64. Annular plate. Detailed implementation manners

[0027] The technical solutions of this patent will be further described in detail below in conjunction with the specific implementation manners.

[0028] As Figures 1-4 shown, the present utility model provides a technical solution: a double-row cylindrical roller bearing with a lubricating function, including an outer ring of bearing 1 and an inner ring of bearing 2. A cage 3 is arranged between the outer ring of bearing 1 and the inner ring of bearing 2. Cylindrical rollers 4 are installed on the inner wall of the cage 3. By setting the outer ring of bearing 1, the inner ring of bearing 2, the cage 3 and the cylindrical rollers 4, a cylindrical roller bearing can be assembled. An auxiliary lubrication structure 5 is arranged on the inner wall of the outer ring of bearing 1. An auxiliary disassembly and assembly structure 6 is arranged between the auxiliary lubrication structure 5 and the outer ring of bearing 1. The auxiliary lubrication structure 5 includes an annular card slot 51. The annular card slot 51 is opened on one inner wall of the outer ring of bearing 1. A lubricating oil ring frame 53 is clamped on the inner wall of the annular card slot 51. By setting the lubricating oil ring frame 53, it can be clamped in cooperation with the annular card slot 51. A rectangular slot 52 is opened on the inner wall of the outer ring of bearing 1 on one side of the annular card slot 51.

[0029] Specifically, as Figures 2-4As shown, a rectangular auxiliary frame 58 is fixedly connected to the inner wall of the lubricating oil ring frame 53. An oil outlet 59 is provided at the bottom of the rectangular auxiliary frame 58. The rectangular auxiliary frame 58 is inserted into the inner wall of the rectangular slot 52. By providing the rectangular slot 52 and the rectangular auxiliary frame 58, it can cooperate with the oil outlet 59 for insertion and oil discharge. A fixed rod 54 is fixedly connected to the inner wall of the lubricating oil ring frame 53. A sliding cylinder 55 is slidably connected to the bottom end of the fixed rod 54. A return spring 56 is sleeved on the outer surface of the fixed rod 54. By providing the sliding cylinder 55 and the fixed rod 54, it can cooperate with the return spring 56 for reset and oil discharge. The two ends of the return spring 56 are respectively fixedly connected to the outer surfaces of the lubricating oil ring frame 53 and the sliding cylinder 55. A circular cover plate 510 is fixedly connected to the bottom of the outer surface of the sliding cylinder 55. By providing the circular cover plate 510, it can cover the oil outlet 59. An auxiliary rod 57 is fixedly connected to the bottom of the outer surface of the circular cover plate 510. A ring clamping block 512 is fixedly connected to the bottom of the outer surface of the circular cover plate 510. A ring clamping groove 511 is provided in the inner wall of the rectangular auxiliary frame 58. By providing the ring clamping block 512 and the ring clamping groove 511, the circular cover plate 510 can be sealed.

[0030] Specifically, as Figure 5 and Figure 6 shown, the auxiliary disassembly and assembly structure 6 includes a circular insertion hole 61 opened in the inner wall of the bearing outer ring 1. An annular plate 64 is fixedly connected to one side of the outer surface of the bearing outer ring 1. By providing the annular plate 64, it can assist in protecting the bearing outer ring 1. A threaded insertion rod 62 is fixedly connected to one side of the outer surface of the lubricating oil ring frame 53. The threaded insertion rod 62 is inserted into the inner wall of the circular insertion hole 61. A fixing nut 63 is threadedly connected to one end of the threaded insertion rod 62. By providing the threaded insertion rod 62, it can cooperate with the fixing nut 63 for auxiliary fixing and disassembly.

[0031] The working principle of the present utility model is as follows:

[0032] S1. During use, the bearing outer ring 1, the bearing inner ring 2 and the cage 3 are fixed and disassembled. At this time, the lubricating oil ring frame 53 is inserted into the inner wall of the annular slot 51. At this time, the threaded insertion rod 62 can be inserted into the inner wall of the circular insertion hole 61, and then the fixing nut 63 can be fixed to the threaded insertion rod 62.

[0033] S2. At this time, the rectangular auxiliary frame 58 can be inserted into the inner wall of the rectangular slot 52. When the bearing inner ring 2 rotates at this time, the auxiliary rod 57 can be driven to move, and then the sliding cylinder 55 can be driven to slide on the outer surface of the fixed rod 54.

[0034] S3. Further, the return spring 56 can be deformed. At this time, the ring clamping block 512 can be separated from the ring clamping groove 511, and then the circular cover plate 510 can be separated from the oil outlet 59. Further, the lubricating oil can flow out of the oil outlet 59, and then the bearing inner ring 2 can be lubricated.

[0035] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0036] The above has made a detailed description of the preferred embodiment of this patent, but this patent is not limited to the above embodiment. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can also be made without departing from the purpose of this patent.

Claims

1. A double-row cylindrical roller bearing with lubrication function, comprising a bearing outer ring (1) and a bearing inner ring (2), characterized in that: A retaining frame (3) is arranged between the bearing outer ring (1) and the bearing inner ring (2), and a cylindrical roller (4) is installed on the inner wall of the retaining frame (3). An auxiliary lubrication structure (5) is arranged on the inner wall of the bearing outer ring (1), and an auxiliary disassembly and assembly structure (6) is arranged between the auxiliary lubrication structure (5) and the bearing outer ring (1). The auxiliary lubrication structure (5) comprises an annular groove (51), and the annular groove (51) is arranged on the inner wall of one side of the bearing outer ring (1). A lubricating oil ring frame (53) is clamped on the inner wall of the annular groove (51), and a rectangular slot (52) is arranged on the inner wall of the bearing outer ring (1) on one side of the annular groove (51).

2. A double-row cylindrical roller bearing with lubrication function according to claim 1, characterized in that: The inner wall of the lubricating oil ring frame (53) is fixedly connected to a rectangular auxiliary frame (58), the bottom of the rectangular auxiliary frame (58) is provided with an oil outlet (59), and the rectangular auxiliary frame (58) is inserted into the inner wall of the rectangular slot (52).

3. A double-row cylindrical roller bearing with lubrication function according to claim 2, characterized in that: The inner wall of the lubricating oil ring frame (53) is fixedly connected to a fixing rod (54), the bottom end of the fixing rod (54) is slidably connected to a sliding cylinder (55), the outer surface of the fixing rod (54) is sleeved with a return spring (56), and the two ends of the return spring (56) are respectively fixedly connected to the outer surfaces of the lubricating oil ring frame (53) and the sliding cylinder (55).

4. A double-row cylindrical roller bearing with lubrication function according to claim 3, characterized in that: A circular cover plate (510) is fixedly connected to the bottom of the outer surface of the sliding cylinder (55), and an auxiliary rod (57) is fixedly connected to the bottom of the outer surface of the circular cover plate (510).

5. The double-row cylindrical roller bearing with lubrication function according to claim 4, characterized in that: A ring clamp block (512) is fixedly connected to the bottom of the outer surface of the circular cover plate (510), and a ring clamp groove (511) is provided on the inner wall of the rectangular auxiliary frame (58).

6. The double-row cylindrical roller bearing with lubrication function according to claim 1, characterized in that: The auxiliary disassembly and assembly structure (6) comprises a circular insertion hole (61), wherein the circular insertion hole (61) is provided on the inner wall of the bearing outer ring (1), and an annular plate (64) is fixedly connected to one side of the outer surface of the bearing outer ring (1).

7. A double-row cylindrical roller bearing with lubrication function according to claim 6, characterized in that: A threaded insert rod (62) is fixedly connected to one side of the outer surface of the lubricating oil ring frame (53), the threaded insert rod (62) is inserted into the inner wall of the round insert hole (61), and one end of the threaded insert rod (62) is threadedly connected to a fixing nut (63).

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