Waterproof assembly of tapered roller bearing

Abstract

The utility model discloses a waterproof assembly of a tapered roller bearing, which belongs to the technical field of tapered roller bearings, and comprises an outer ring, two sides of the outer ring are provided with insertion holes, the outer ring is inserted with a sealing plate through the insertion holes, the inner side of the outer ring is provided with a main retainer, one side of the main retainer is inserted with an auxiliary retainer, and the auxiliary retainer is provided with a sealing ring. And a groove is formed in one side of the sealing plate. According to the waterproof assembly of the tapered roller bearing, an inserting plate is inserted into an inserting hole, then a fastening bolt is screwed, the fastening bolt pushes a push plate to move, the push plate can push a connecting block through inclined faces on the two sides, and inserting rods are inserted into holes in the inner walls of the two sides of the inserting hole, so that sealing plates are fixed to the two sides of an outer ring, and the sealing plates are prevented from moving; and the sealing plate is matched with the sealing ring to seal a gap between the outer ring and the inner ring, so that oil and sewage are prevented from entering the tapered roller bearing to corrode the roller body, and the service life of the tapered roller bearing is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of tapered roller bearings, in particular to a waterproof component of a tapered roller bearing. 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 different structural types such as single-row, double-row and four-row tapered roller bearings according to the number of rows of rollers installed. They are widely used in application scenarios with large load-bearing capacity.

[0003] Due to the harsh working environment of tapered roller bearings, oil or sewage often penetrates into the bearings during operation, thereby corroding the internal rollers or tapered raceways, aggravating the wear of the rollers during rolling, affecting the fitting accuracy, and causing damage to the tapered roller bearings. Utility Model Content

[0004] In order to overcome the above-mentioned defects, the utility model provides a waterproof component of a tapered roller bearing, which solves the problem that oil or sewage will penetrate into the interior of the bearing during operation, corrode the internal rollers or tapered raceways, aggravate the wear of the rollers when rolling, affect the fitting accuracy, and thus cause bearing damage.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waterproof component of a tapered roller bearing, comprising an outer ring, with jacks on both sides of the outer ring, a sealing plate plugged into the outer ring through the jacks, a main retaining frame installed on the inner side of the outer ring, a secondary retaining frame plugged into one side of the main retaining frame, a groove on one side of the sealing plate, a plug-in plate connected to the other side of the sealing plate, a fastening bolt connected to the inner thread of the groove, a push plate rotatably connected to one end of the fastening bolt, and plug rods slidably connected to both sides of the plug-in plate;

[0006] One end of the insertion rod extending into the interior of the plug-in board is connected to a connecting block, the main retaining frame and the auxiliary retaining frame are both provided with mounting grooves, a roller body is rotatably mounted in the mounting groove, a first threaded hole is provided on the main retaining frame, a clamping groove is provided on the main retaining frame, a slot is provided on the side of the main retaining frame facing the auxiliary retaining frame, and a clamping block is connected to the side of the auxiliary retaining frame facing the main retaining frame.

[0007] As a further solution of the utility model: one end of the fastening bolt is embedded in the groove, the side opposite to the push plate and the connecting block are both set as inclined surfaces and fit each other, one side of the connecting block is connected to a connecting spring, and one end of the connecting spring is connected to the inner wall of the plug board.

[0008] As a further solution of the utility model: the side of the clamping block facing the main retaining frame is triangular in design, a second threaded hole is provided on the clamping block, and a fixing bolt is threadedly connected between the first threaded hole and the second threaded hole.

[0009] As a further solution of the utility model: the slots are four in total and are symmetrical about the axis of the main retainer, the slots and the card slots are interconnected, the card block is inserted into the slots, and one side of the triangle of the card block is engaged with the card slot.

[0010] As a further solution of the utility model: rolling columns are rollingly installed on both sides of the installation groove, a sealing ring is connected to the side of the sealing plate facing the outer ring, holes are opened on the inner walls on both sides of the socket, and the insertion rod is inserted into the holes on the inner walls on both sides of the socket.

[0011] As a further solution of the utility model: a first raceway is arranged inside the outer ring, inner rings are installed inside the main cage and the auxiliary cage, a second raceway is arranged on the inner ring, and the roller body rolls in the first raceway and the second raceway.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The waterproof component of the tapered roller bearing is provided with a sealing plate, a sealing ring, a socket, a plug-in plate, a fastening bolt, a push plate, a connecting block, a connecting spring and a plug rod. The plug-in plate is inserted into the socket and then the fastening bolt is screwed so that the fastening bolt can push the push plate to move, so that the push plate can push the connecting block through the inclined surfaces on both sides, so that the plug rod is inserted into the holes on the inner walls on both sides of the socket, and the connecting spring is compressed at the same time, so that the sealing plate is fixed on both sides of the outer ring to prevent the sealing plate from moving, and the sealing plate and the sealing ring can seal the gap between the outer ring and the inner ring to prevent oil and sewage from entering the interior of the tapered roller bearing to corrode the roller body, thereby ensuring the service life of the tapered roller bearing.

[0014] 2. The waterproof component of the tapered roller bearing is provided with a main cage, a secondary cage, a block, a slot, a slot, a first threaded hole, a second threaded hole and a fixing bolt. After the roller body is placed in the mounting slot on the main cage, the block is inserted into the slot. As the block is inserted, the inner wall of the slot will squeeze the block through the triangular inclined surface on one side of the block, causing the block to deform so that the block can smoothly enter the slot. After that, the block restores its shape so that one side of the triangular block is inserted into the slot, thereby hooking and fixing the secondary cage on the main cage to prevent the roller body from slipping off. At this time, the first threaded hole and the second threaded hole will be aligned with each other, making it convenient for the staff to screw in the fixing bolt, thereby further strengthening the connection and preventing the secondary cage from separating from the main cage during work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2It is a schematic diagram of the cross-sectional structure of the sealing plate and the plug-in plate of the utility model;

[0017] Figure 3 for Figure 2 Schematic diagram of the enlarged structure in part A;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the main cage and the auxiliary cage of the utility model;

[0019] In the figure: 1. outer ring; 2. socket; 3. sealing plate; 4. main retaining frame; 5. auxiliary retaining frame; 6. groove; 7. plug-in plate; 8. fastening bolt; 9. push plate; 10. plug-in rod; 11. connecting block; 12. connecting spring; 13. mounting groove; 14. roller body; 15. first threaded hole; 16. clamping groove; 17. slot; 18. clamping block; 19. second threaded hole; 20. fixing bolt; 21. rolling column; 22. sealing ring; 23. first raceway; 24. inner ring; 25. second raceway. DETAILED DESCRIPTION

[0020] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0021] like Figure 1-4 As shown, the utility model provides a technical solution: a waterproof component of a tapered roller bearing, comprising an outer ring 1, with sockets 2 on both sides of the outer ring 1, a sealing plate 3 is plugged into the outer ring 1 through the sockets 2, a main retainer 4 is installed on the inner side of the outer ring 1, a secondary retainer 5 is plugged into one side of the main retainer 4, a first raceway 23 is arranged on the inner side of the outer ring 1, an inner ring 24 is installed on the inner sides of the main retainer 4 and the secondary retainer 5, a second raceway 25 is arranged on the inner ring 24, a roller body 14 rolls in the first raceway 23 and the second raceway 25, and the rolling of the roller body 14 is guided by the first raceway 23 and the second raceway 25, so as to avoid the roller body 14 from being skewed when rolling.

[0022] The sealing plate 3 is provided with a groove 6, and the other side of the sealing plate 3 is connected to the plug plate 7. The inner thread of the groove 6 is connected to a fastening bolt 8. One end of the fastening bolt 8 is rotatably connected to a push plate 9. Both sides of the plug plate 7 are slidably connected with a plug rod 10. One end of the plug rod 10 extending into the plug plate 7 is connected to a connecting block 11. One end of the fastening bolt 8 is embedded in the groove 6. The side opposite to the push plate 9 and the connecting block 11 are both set as inclined surfaces and fit each other. One side of the connecting block 11 is connected to a connecting spring 12, and one end of the connecting spring 12 is connected to the inner wall of the plug plate 7. When the plug rod 10 is inserted into the holes on both sides of the inner wall of the socket 2, the connecting spring 12 will be compressed, so that the connecting spring 12 rebounds when the fastening bolt 8 is loosened, so that the plug rod 10 is separated from the hole, which is convenient for the staff to disassemble the sealing plate 3, and the fit between the push plate 9 and the inner wall of the plug plate 7 can prevent the push plate 9 from rotating with the fastening bolt 8.

[0023] Both the main retaining frame 4 and the auxiliary retaining frame 5 are provided with mounting grooves 13, in which a roller body 14 is rollingly mounted, and rolling columns 21 are rollingly mounted on both sides of the mounting groove 13. A sealing ring 22 is connected to the side of the sealing plate 3 facing the outer ring 1. Holes are provided on the inner walls on both sides of the insertion hole 2, and the insertion rod 10 is inserted into the holes on the inner walls on both sides of the insertion hole 2. When the roller body 14 is installed in the mounting groove 13, the roller body 14 will contact with the rolling columns 21 on both sides, thereby reducing the friction of the roller body 14 when rolling and reducing the wear of the roller body 14.

[0024] A first threaded hole 15 is provided on the main retaining frame 4, a card slot 16 is provided on the main retaining frame 4, a slot 17 is provided on the side of the main retaining frame 4 facing the auxiliary retaining frame 5, and there are four slots 17 symmetrically about the axis center of the main retaining frame 4. The slot 17 and the card slot 16 are interconnected, a card block 18 is inserted in the slot 17, and one side of the triangle of the card block 18 is engaged with the card slot 16, and a card block 18 is connected to the side of the auxiliary retaining frame 5 facing the main retaining frame 4. The card block 18 is triangular in design on the side facing the main retaining frame 4, and a second threaded hole 19 is provided on the card block 18. The first threaded hole 15 and the second threaded hole 19 are internally threadedly connected with a fixing bolt 20. By plugging the card block 18 into the slot 17, it is convenient for the staff to install and fix the auxiliary retaining frame 5 on the main retaining frame 4, and the engagement of the card block 18 with the card slot 16 can prevent the auxiliary retaining frame 5 from loosening and falling when the fixing bolt 20 is screwed.

[0025] The working principle of the utility model is:

[0026] After the roller body 14 is installed in the installation groove 13, the block 18 is inserted into the slot 17. As the block 18 is inserted, the inner wall of the slot 17 squeezes the block 18 through the triangular inclined surface on one side of the block 18, causing the block 18 to deform. After the block 18 enters the slot 17, the block 18 restores its shape so that one side of the triangle of the block 18 can be inserted into the slot 16, thereby hooking and fixing the auxiliary cage 5 on the main cage 4 to prevent the roller body 14 from slipping off. At this time, the first threaded hole 15 and the second threaded hole 19 are aligned with each other, thereby facilitating the work. The operator screws in the fixing bolts 20 to further strengthen the connection. After installing the combined main retainer 4 and the auxiliary retainer 5 between the outer ring 1 and the inner ring 24, the plug plate 7 is inserted into the socket 2, and then the fastening bolts 8 are screwed to make the fastening bolts 8 push the push plate 9 to move, and the push plate 9 can push the connecting block 11 to move through the inclined surfaces on both sides, so that the plug rod 10 is inserted into the holes on the inner walls on both sides of the socket 2, thereby fixing the sealing plate 3 on both sides of the outer ring 1, and the sealing plate 3 can cooperate with the sealing ring 22 to seal the gap between the outer ring 1 and the inner ring 24 to prevent oil and sewage from entering.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0028] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. A waterproof assembly for a tapered roller bearing, comprising an outer ring (1), characterized in that: The outer ring (1) is provided with insertion holes (2) on both sides, and the outer ring (1) is plugged with a sealing plate (3) through the insertion holes (2). A main retaining frame (4) is installed on the inner side of the outer ring (1), and a secondary retaining frame (5) is plugged into one side of the main retaining frame (4). A groove (6) is provided on one side of the sealing plate (3), and a plug-in plate (7) is connected to the other side of the sealing plate (3). A fastening bolt (8) is connected to the inner thread of the groove (6), and one end of the fastening bolt (8) is rotatably connected to a push plate (9), and plug rods (10) are slidably connected to both sides of the plug-in plate (7); One end of the plug rod (10) extending into the plug board (7) is connected to a connecting block (11); both the main retaining frame (4) and the auxiliary retaining frame (5) are provided with mounting grooves (13); a roller body (14) is rotatably mounted in the mounting groove (13); a first threaded hole (15) is provided on the main retaining frame (4); a clamping groove (16) is provided on the main retaining frame (4); a slot (17) is provided on the side of the main retaining frame (4) facing the auxiliary retaining frame (5); and a clamping block (18) is connected to the side of the auxiliary retaining frame (5) facing the main retaining frame (4).

2. The waterproof component of a tapered roller bearing according to claim 1, characterized in that: One end of the fastening bolt (8) is embedded in the groove (6); the side of the push plate (9) opposite to the connecting block (11) is arranged as an inclined surface and fits with each other; one side of the connecting block (11) is connected to a connecting spring (12); one end of the connecting spring (12) is connected to the inner wall of the plug board (7).

3. The waterproof assembly of a tapered roller bearing according to claim 1, characterized in that: The side of the clamping block (18) facing the main retaining frame (4) is triangular in design, and a second threaded hole (19) is provided on the clamping block (18). The first threaded hole (15) and the second threaded hole (19) are internally threadedly connected with a fixing bolt (20).

4. The waterproof component of a tapered roller bearing according to claim 1, characterized in that: There are four slots (17) in total and they are symmetrical about the axis of the main retaining frame (4). The slots (17) and the card slots (16) are interconnected. The card block (18) is inserted into the slots (17), and one side of the triangle of the card block (18) is engaged with the card slot (16).

5. The waterproof assembly of a tapered roller bearing according to claim 1, characterized in that: Rolling columns (21) are rollingly mounted on both sides of the mounting groove (13); a sealing ring (22) is connected to the side of the sealing plate (3) facing the outer ring (1); holes are provided on the inner walls on both sides of the insertion hole (2); and the insertion rod (10) is inserted into the holes on the inner walls on both sides of the insertion hole (2).

6. The waterproof assembly of a tapered roller bearing according to claim 1, characterized in that: A first raceway (23) is arranged on the inner side of the outer ring (1), an inner ring (24) is installed on the inner side of the main retaining frame (4) and the auxiliary retaining frame (5), a second raceway (25) is arranged on the inner ring (24), and the roller body (14) rolls in the first raceway (23) and the second raceway (25).

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