A New Double-row Tapered Roller Bearing

Abstract

The utility model discloses a novel double-row tapered roller bearing, which relates to the technical field of double-row tapered roller bearings. The utility model comprises an outer ring, an inner ring is arranged inside the outer ring, a plurality of roller bodies are symmetrically arranged on the surface of the inner ring through a retaining frame, two semicircular plates 1 are symmetrically arranged at both ends of the outer ring, a semicircular plate 2 is arranged on one side of the semicircular plate 1, a fixing ring is arranged at both ends of the inner ring, an annular groove 1 matching the fixing ring is provided inside the semicircular plate 2, a sealing ring is provided on both sides of the fixing ring, an annular groove 2 matching the sealing ring is provided inside the semicircular plate 2, and the annular groove 1 and the annular groove 2 are communicated with each other, a lubrication component is arranged inside the outer ring, and a sealing component is arranged on the surface of the outer ring through an oil filling hole; the beneficial effects of the utility model are: it is convenient to play a dust-proof role in the gap between the outer ring and the inner ring, improve its dust-proof effect, improve the service life of the double-row tapered roller bearing itself, and ensure the subsequent use of the bearing.

Description

Technical Field

[0001] The utility model relates to a double-row tapered roller bearing, in particular to a novel double-row tapered roller bearing, belonging to the technical field of double-row tapered roller bearings. Background Art

[0002] Tapered roller bearings are separable bearings. Both the inner and outer rings of the bearings have tapered raceways. This type of bearing is divided into single-row, double-row and four-row tapered roller bearings according to the number of rows of rollers installed.

[0003] Among them, the "double-row tapered roller bearing" disclosed in the application number "CN201920920125.4" "comprises a bearing outer ring, a limit rod, a movable plate, a tapered inner ring assembly, and a bearing inner ring. The outer surface of the bearing outer ring is provided with an annular groove, and the surface of the annular groove is provided with multiple groups of oil filling holes. A limit rod and a movable rod are movably inserted inside the oil filling hole. The limit rod can rotate along the oil filling hole, and the lower end of the movable rod is vertically connected to the upper surface of the movable plate." In the utility model, the limit rod moves to the end of the movable rod, and oil is then injected into the oil filling hole. The lubricating oil finally enters between the bearing inner ring and the bearing outer ring along the oil filling hole through the oil filling groove and contacts with the tapered inner ring assembly to achieve the purpose of lubrication.

[0004] However, the above method still has the following defects: during the use of the double-row tapered roller bearing, dust can easily enter the interior of the bearing through the gap between the outer ring and the inner ring of the bearing, which will reduce the service life of the bearing over time and affect the use of the bearing. Utility Model Content

[0005] The purpose of the utility model is to provide a novel double-row tapered roller bearing to solve the problem raised in the above background technology that dust can easily enter the interior of the bearing through the gap between the outer ring and the inner ring of the bearing, which will reduce the service life of the bearing over a long period of time and affect the use of the bearing.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel double-row tapered roller bearing, comprising an outer ring, an inner ring is arranged inside the outer ring, a plurality of roller bodies are symmetrically arranged on the surface of the inner ring through a retaining frame, two semicircular plates 1 are symmetrically arranged at both ends of the outer ring, a semicircular plate 2 is arranged on one side of the semicircular plate 1, a fixing ring is arranged at both ends of the inner ring, an annular groove 1 matching the fixing ring is provided inside the semicircular plate 2, sealing rings are provided on both sides of the fixing ring, an annular groove 2 matching the sealing ring is provided inside the semicircular plate 2, and the annular groove 1 and the annular groove 2 are connected to each other, a lubrication component is provided inside the outer ring, and a sealing component is provided on the surface of the outer ring through an oil filling hole.

[0007] As a preferred technical solution of the utility model, a plurality of hexagon socket bolts are provided on the surface of the semicircular plate 1, screw holes matching the hexagon socket bolts are opened on the surface of the outer ring, and the hexagon socket bolts are threadedly connected to the screw holes.

[0008] As a preferred technical solution of the utility model, a sealing gasket is provided between the two semicircular plates, and a sealing ring is provided on the surface of the semicircular plate and the outer ring.

[0009] As a preferred technical solution of the utility model, the surface of the sealing ring contacts the inner wall of the second annular groove, and the sealing ring contacts the inner wall of the first annular groove.

[0010] As a preferred technical solution of the utility model, the lubrication assembly includes an oil injection channel, the oil injection channel is opened inside the outer ring, the inner wall of the outer ring has a plurality of oil outlet holes evenly distributed, and the oil injection channel is connected to the oil outlet holes.

[0011] As a preferred technical solution of the utility model, the oil filling hole is connected to the oil filling channel, the sealing assembly includes an oil filling pipe, the oil filling pipe is installed on the surface of the oil filling hole, and a sealing cap is threadedly provided on the surface of the oil filling pipe.

[0012] As a preferred technical solution of the utility model, a ring is rotatably provided at one end of the oil filling pipe away from the sealing cap, and an anti-drop rope is provided on the surface of the ring, and one end of the anti-drop rope is fixedly connected to the surface of the sealing cap.

[0013] As a preferred technical solution of the utility model, a plurality of anti-slip convex strips are provided on the surface of the sealing cap, and the anti-slip rope is made of an elastic rope.

[0014] Compared with the related art, the novel double-row tapered roller bearing provided by the utility model has the following beneficial effects:

[0015] 1. By inserting the fixing ring at the end of the inner ring into an annular groove opened inside the second semicircular plate, cooperating with the sealing rings arranged on the left and right sides of the fixing ring and cooperating with the corresponding annular groove opened inside the second semicircular plate, it is convenient to prevent dust from entering the gap between the outer ring and the inner ring, thereby improving its dust-proof effect, increasing the life of the double-row tapered roller bearing itself, and ensuring the subsequent use of the bearing.

[0016] 2. Through the provided sealing assembly, the sealing cap is used to remove its thread from the surface of the oil filling pipe. At the same time, the anti-drop rope and the ring provided can prevent the sealing cap from falling off during use. Together with the oil filling hole and the lubrication assembly, it is convenient to add lubricating oil to the bearing, and it is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the explosion structure of the inner ring of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the semicircular plate 2 of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the fixing ring of the utility model;

[0021] Figure 5 It is a schematic diagram of the cross-sectional structure of the outer ring of the utility model;

[0022] Figure 6 It is a schematic diagram of the oil filling hole of the utility model;

[0023] Figure 7 For this utility model Figure 6 A is an enlarged structural diagram of FIG.

[0024] In the figure: 1. outer ring; 2. inner ring; 3. retaining frame; 4. roller body; 5. semicircular plate 1; 6. semicircular plate 2; 7. fixing ring; 8. sealing ring; 9. lubrication assembly; 901. oil filling channel; 902. oil outlet hole; 903. hexagon socket bolt; 904. screw hole; 10. annular groove 1; 11. sealing assembly; 1101. oil filling pipe; 1102. sealing cap; 1103. ring; 1104. anti-drop rope; 12. oil filling hole. DETAILED DESCRIPTION

[0025] 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.

[0026] Embodiment 1:

[0027] See also Figure 1-7The utility model provides a novel double-row tapered roller bearing, comprising an outer ring 1, an inner ring 2 is arranged inside the outer ring 1, a plurality of roller bodies 4 are symmetrically arranged on the surface of the inner ring 2 through a retaining frame 3, two semicircular plates 5 are symmetrically arranged at both ends of the outer ring 1, a semicircular plate 2 6 is arranged on one side of the semicircular plate 5, a fixing ring 7 is arranged at both ends of the inner ring 2, an annular groove 10 matching the fixing ring 7 is opened inside the semicircular plate 2 6, the fixing ring 7 at the end of the inner ring 2 is plugged into the annular groove 10 opened inside the semicircular plate 2 6, and the sealing rings 8 arranged at both sides of the fixing ring 7 and the corresponding annular grooves 2 are matched. , so as to facilitate the dust prevention of the gap between the outer ring 1 and the inner ring 2, improve its dust prevention effect, improve the service life of the double-row tapered roller bearing itself, and ensure the use of the rear bearing. Both sides of the fixing ring 7 are provided with sealing rings 8, which are convenient for sealing. The interior of the semicircular plate 2 6 is provided with an annular groove 2 matching the sealing ring 8, and the annular groove 1 10 is connected with the annular groove 2. The interior of the outer ring 1 is provided with a lubrication component 9, which is convenient for adding lubricating oil to the interior of the bearing, and is convenient to use. The surface of the outer ring 1 is provided with a sealing component 11 through the oil filling hole 12, which is convenient for sealing and oiling the oil filling hole 12;

[0028] The lubrication assembly 9 includes an oil injection channel 901, which is opened inside the outer ring 1. The inner wall of the outer ring 1 is evenly provided with a plurality of oil outlet holes 902, and the oil injection channel 901 is connected with the oil outlet holes 902. Through the arrangement of the oil injection channel 901 and the plurality of oil outlet holes 902, the lubricating oil inside the oil injection channel 901 enters into the interior of the bearing through the plurality of oil outlet holes 902, thereby achieving a lubricating effect.

[0029] The surface of the sealing ring 8 contacts the inner wall of the annular groove 2, and the sealing ring 8 contacts the inner wall of the annular groove 10, so as to play a sealing role, effectively prevent the entry of dust, and prevent the bearing from reducing its own service life;

[0030] A sealing gasket 1 is provided between the two semicircular plates 1 5 , and a sealing ring is provided on the surface of the semicircular plate 1 5 and the outer ring 1 , so as to seal between the two semicircular plates 1 5 and at the same time seal the outer ring 1 to prevent dust from entering.

[0031] Embodiment 2:

[0032] The oil filling hole 12 is connected to the oil filling channel 901, and the sealing component 11 includes an oil filling pipe 1101, which is installed on the surface of the oil filling hole 12, and a sealing cap 1102 is threadedly provided on the surface of the oil filling pipe 1101. The sealing cap 1102 provided at the oil filling pipe 1101 facilitates the sealing effect, and facilitates the lubricating oil to enter the oil filling channel 901 through the oil filling hole 12 through the oil filling pipe 1101 for water inlet and oil delivery operation;

[0033] A circular ring 1103 is rotatably arranged at one end of the oil filling pipe 1101 away from the sealing cap 1102, and an anti-dropping rope 1104 is arranged on the surface of the circular ring 1103, and one end of the anti-dropping rope 1104 is fixedly connected to the surface of the sealing cap 1102. When the sealing cap 1102 is rotated, the rotating circular ring 1103 is used to make the anti-dropping rope 1104 rotate accordingly, and the anti-dropping rope 1104 is not affected during the rotation process, so the use is convenient and the anti-dropping effect is achieved.

[0034] The surface of the sealing cap 1102 is provided with a plurality of anti-skid convex strips, which are convenient for the sealing cap 1102 to play an anti-skid role and facilitate the staff to screw it. The material of the anti-slip rope 1104 is an elastic rope, so that the anti-slip rope 1104 can be stretched, which is more convenient to use;

[0035] A plurality of hexagon socket bolts 903 are provided on the surface of the semicircular plate 1 5 , and screw holes 904 matching the hexagon socket bolts 903 are provided on the surface of the outer ring 1 , and the hexagon socket bolts 903 are threadedly connected with the screw holes 904 . The hexagon socket bolts 903 and the screw holes 904 are provided to facilitate the disassembly and removal of the semicircular plate 1 5 , and the disassembly and removal of the semicircular plate 2 6 , which is more convenient to use and facilitates subsequent use.

[0036] When in use, first, the double-row tapered roller bearing can be installed and used in conjunction with the bearing seat. When the inside of the double-row tapered roller bearing needs to be lubricated, the staff can then rotate the provided sealing cap 1102 so that the threaded oil filling pipe 1101 and the sealing cap 1102 are separated from each other. During this process, the anti-drop rope 1104 and the ring 1103 will rotate during the rotation of the sealing cap 1102. When the sealing cap 1102 is removed, the provided anti-drop rope 1104 can be used to prevent the sealing cap 1102 from falling off and being lost, and the use is convenient. Then the staff will use a needle to inhale an appropriate amount of lubricating oil, align it with the provided oil filling pipe 1101, squeeze out the lubricating oil, and use the provided oil filling hole 12, the oil filling channel 901 and the plurality of oil outlet holes 902 to lubricate the inside of the bearing. After lubrication, the sealing cap 1102 can be used to seal the oil filling pipe 1101.

[0037] By providing the outer ring 1 with symmetrical semicircular plates 1 5 and 2 6, and by providing a fixing ring 7 at the end of the inner ring 2, the fixing ring 7 is inserted into the annular groove 10 provided inside the semicircular plate 2 6, and cooperates with the sealing ring 8 provided at both sides of the fixing ring 7 and the corresponding annular groove 2, so as to facilitate the dust prevention in the gap between the outer ring 1 and the inner ring 2, avoid the influence of dust on the bearing, improve its dust prevention effect, and increase the service life of the double-row tapered roller bearing itself.

[0038] 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 novel double-row tapered roller bearing, comprising an outer ring (1), characterized in that: An inner ring (2) is arranged inside the outer ring (1), and a plurality of roller bodies (4) are symmetrically arranged on the surface of the inner ring (2) via a retaining frame (3). Two semicircular plates (5) are symmetrically arranged at both ends of the outer ring (1), and a semicircular plate (6) is arranged on one side of the semicircular plate (5). A fixing ring (7) is arranged at both ends of the inner ring (2), and an annular groove (10) matching the fixing ring (7) is provided inside the semicircular plate (6). A sealing ring (8) is provided on both sides of the fixing ring (7). An annular groove (2) matching the sealing ring (8) is provided inside the semicircular plate (6), and the annular groove (10) is communicated with the annular groove (2). A lubrication component (9) is arranged inside the outer ring (1), and a sealing component (11) is arranged on the surface of the outer ring (1) via an oil filling hole (12).

2. The novel double-row tapered roller bearing according to claim 1 is characterized in that: The surface of the semicircular plate 1 (5) is provided with a plurality of hexagon socket bolts (903), the surface of the outer ring (1) is provided with screw holes (904) matching the hexagon socket bolts (903), and the hexagon socket bolts (903) are threadedly connected to the screw holes (904).

3. The novel double-row tapered roller bearing according to claim 1 is characterized in that: A sealing gasket is provided between the two semicircular plates (5), and a sealing ring is provided on the surface of the semicircular plate (5) and the outer ring (1).

4. The novel double-row tapered roller bearing according to claim 1 is characterized in that: The surface of the sealing ring (8) contacts the inner wall of the second annular groove, and the sealing ring (8) contacts the inner wall of the first annular groove (10).

5. The novel double-row tapered roller bearing according to claim 1 is characterized in that: The lubrication assembly (9) comprises an oil injection channel (901), wherein the oil injection channel (901) is opened inside the outer ring (1), the inner wall of the outer ring (1) is evenly provided with a plurality of oil outlet holes (902), and the oil injection channel (901) is connected to the oil outlet holes (902).

6. The novel double-row tapered roller bearing according to claim 5 is characterized in that: The oil injection hole (12) is connected to the oil injection channel (901), and the sealing component (11) comprises an oil injection pipe (1101). The oil injection pipe (1101) is installed on the surface of the oil injection hole (12), and a sealing cap (1102) is provided on the surface of the oil injection pipe (1101) in a threaded manner.

7. The novel double-row tapered roller bearing according to claim 6 is characterized in that: A circular ring (1103) is rotatably provided at one end of the oil filling pipe (1101) away from the sealing cap (1102), and an anti-drop rope (1104) is provided on the surface of the circular ring (1103), and one end of the anti-drop rope (1104) is fixedly connected to the surface of the sealing cap (1102).

8. The novel double-row tapered roller bearing according to claim 7 is characterized in that: The surface of the sealing cap (1102) is provided with a plurality of anti-slip convex strips, and the anti-slip rope (1104) is made of an elastic rope.

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