Sealing rolling bearing of shakeout roller riding wheel device
By designing lubrication devices and protective sealing devices in the rolling bearings of the sand-falling drum support device, the friction aging problem between the ball and the inner and outer walls of the bearing is solved, and smoother rolling and better use effect is achieved, while preventing external impurities from entering.
Patent Information
- Application Number
- CN202421742131.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-07-23
AI Technical Summary
During use, the rolling bearings of the existing sand-fall roller support device are prone to friction aging between the ball and the inner and outer walls of the bearing, resulting in poor rotation and sound generation, which affects the use effect of the device.
A sealed rolling bearing is designed, including a lubricating device and a protective sealing device. The lubricating device uniformly applies lubricating oil to the ball and the inner and outer walls of the bearing through the cooperation of the lubricating oil barrel, outlet pipe and elastic rubber block to reduce friction; the protective sealing device seals the outer and inner rings of the bearing through the fixation of the protective sealing frame and bolts to prevent external dust and impurities from entering.
It effectively reduces the friction resistance between the ball and the inner and outer walls of the bearing, reduces the sound generated by friction, makes the rolling smoother, improves the use effect of the bearing, and prevents the jam caused by external impurities, ensuring the normal operation of the device.
Smart Images
Figure CN222760154U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sealed rolling bearings for a sand-falling drum supporting wheel device, in particular to a sealed rolling bearing for a sand-falling drum supporting wheel device. Background Art
[0002] Rolling bearing is a kind of precision mechanical component, whose function is to convert the sliding friction between the running shaft and the shaft seat into rolling friction, thereby reducing friction loss.
[0003] When the outer ring of the bearing is fixedly installed on the base and then the inner ring of the bearing is fixedly connected to the outer surface of the sand-falling drum body for use, the surface of the ball inside the retaining frame will continuously rotate and rub against the inner wall of the outer ring of the bearing and the inner ring of the bearing. After long-term use, when the outer surface of the ball and the inner wall of the outer ring of the bearing and the inner ring of the bearing age and corrode, the rotational friction resistance will increase, which is easy to make noise and cause the rotation to be not smooth, thereby affecting the use of the sand-falling drum supporting wheel device. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a sealed rolling bearing for a sand-falling drum supporting wheel device.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sealed rolling bearing of a sand-falling drum supporting wheel device, comprising a bearing outer ring and a bearing inner ring arranged on a base and a sand-falling drum body, the outer surface of the bearing inner ring is sleeved and connected with a retaining frame, and balls are rotatably connected in several inner walls of the retaining frame, the retaining frame, the bearing inner ring and several balls are all inserted in the inner wall of the bearing outer ring, the interior of the bearing outer ring is provided with a lubrication device for lubricating the inner wall and the outer surface of the balls, the inner wall of the bearing outer ring is provided with a uniform smearing mechanism for smearing by several auxiliary lubricating devices, and the outer surface of the bearing outer ring is provided with a protective sealing device.
[0006] The effect achieved by the above components is: when performing daily maintenance on the sand-falling roller supporting wheel device, lubricating oil can be put into the lubrication device, so that it can cooperate with the uniform coating mechanism to evenly penetrate and coat the lubricating oil on the outer surface of the ball, and then achieve lubrication and maintenance treatment between the outer surface of the ball and the inner wall of the bearing outer ring and the bearing inner ring. Then, before using the sand-falling roller supporting wheel device, first install the protective sealing device on the bearing outer ring, and perform protective sealing between the bearing outer ring and the bearing inner ring to prevent external dust and impurities from falling into the inner wall of the device and causing jamming.
[0007] Preferably, the lubrication device comprises a lubricating oil barrel and an oil barrel cover, the inlet of the lubricating oil barrel is threadedly inserted into the inner wall of the oil barrel cover, a plurality of outlet pipes are penetrated and connected to one side of the lubricating oil barrel, a guide groove is provided inside the outer ring of the bearing, a plurality of the outlet pipes penetrate the outer surface of the outer ring of the bearing and extend into the guide groove, a plurality of guide holes are provided on the inner wall of the outer ring of the bearing, the inner wall of the guide hole is connected to the inner wall of the guide groove, and a plurality of elastic rubber blocks are fixedly connected to the inner wall of the guide hole.
[0008] The effects achieved by the above components are as follows: by arranging the lubrication device, during routine maintenance of the sand-dropping drum supporting wheel device, the oil drum cover can be screwed on from the inlet of the lubricating oil drum, and then the lubricating oil can be poured into the lubricating oil drum, and then the oil drum cover can be screwed on, and the lubricating oil will flow into the guide groove through the outlet pipe, and then flow in the guide groove to be evenly distributed inside the outer ring of the bearing. When the lubricating oil is added to a certain amount, the lubricating oil will squeeze several elastic rubber blocks in the guide hole to overflow from the gap, and then fall on the ball bearing to lubricate the surface of the ball bearing. When the ball bearing rotates, the applied lubricating oil will be brought to the inner wall of the outer ring of the bearing and the inner ring of the bearing, so that when it is used, the friction resistance between the outer surface of the ball bearing and the inner wall of the outer ring of the bearing and the inner wall of the inner ring of the bearing is reduced, the sound generated by the friction is reduced, the rolling is smoother, the use effect of the bearing is improved, and it does not affect the use of the sand-dropping drum supporting wheel device.
[0009] Preferably, the uniform smearing mechanism comprises a plurality of sponge blocks, the inner wall of the outer ring of the bearing is provided with a plurality of rectangular grooves, the inner walls of the rectangular grooves are connected to the inner walls of the guide holes, and the inner walls of the rectangular grooves are fixedly connected to the outer surface of the sponge blocks.
[0010] The effect achieved by the above components is: by setting up a uniform coating mechanism, after the lubricating oil flows out through the gaps between several elastic rubber blocks, it will flow into the rectangular groove and then penetrate into the sponge block. One side of the sponge block is tightly attached to the outer surface of the ball. When the ball rotates, the infiltrated lubricating oil will be evenly coated on the outer surface of the ball, thereby achieving a uniform coating effect and improving the efficiency of lubrication.
[0011] Preferably, a connecting rope is fixedly connected to one side of the oil drum cover, and one end of the connecting rope is fixedly connected to one side of the lubricating oil drum.
[0012] The effect achieved by the above components is that by arranging the connecting rope, the oil drum cover can be limited on one side of the lubricating oil drum, so that it is not easy to be lost when it is unscrewed from the outlet.
[0013] Preferably, the protective sealing device includes a protective sealing frame and a plurality of bolts, the outer surface of the bearing outer ring is symmetrically fixedly connected with a plurality of screw hole U-shaped blocks, the outer surface of the protective sealing frame is symmetrically fixedly connected with a screw hole block, one end of the screw hole block is inserted in the inner wall of the screw hole U-shaped block, and one end of the bolt is spirally inserted in the screw hole block and the inner wall of the screw hole U-shaped block.
[0014] The effect achieved by the above components is: before using the sand-dropping drum supporting wheel device, first clamp the two screw hole blocks on the outer surface of the protective sealing frame in the inner wall of the screw hole U-shaped block respectively, and then make one side of the protective sealing frame close to one side of the bearing outer ring and the bearing inner ring, and then screw the bolts into the inner wall of the screw hole block and the screw hole U-shaped block, fix the protective sealing frame on the outer surface of the bearing outer ring, and seal and protect the space between the bearing outer ring and the bearing inner ring to prevent external dust and impurities from falling between the bearing outer ring and the bearing inner ring, causing the ball to be stuck on the retaining frame, affecting the rotation of the bearing inner ring.
[0015] Preferably, the longitudinal section of one end of the bolt is hexagonal, and the outer surface size of the hexagonal end of the bolt is larger than the inner wall size of the screw hole block.
[0016] The effect achieved by the above components is: by setting one end of the bolt into a hexagon, the contact area and friction force of one end of the bolt can be increased due to the angular outer surface of the hexagon, making it easier to manually hold and twist it.
[0017] Preferably, a sealing ring block is fixedly connected to one side of the protective sealing frame, the outer surface size of the sealing ring block is larger than the inner wall size of the bearing outer ring, and the inner wall size of the sealing ring block is smaller than the outer surface size of the bearing inner ring.
[0018] The effect achieved by the above components is that by arranging the sealing ring block, the gap between one side of the protective seal frame and one side of the bearing outer ring and the bearing inner ring can be sealed and blocked, thereby improving the sealing protection effect.
[0019] Preferably, one side of the screw hole U-shaped block is symmetrically fixedly connected to a limiting block, and the two limiting blocks are fixed at both sides of the entrance of the screw hole U-shaped block in an inclined manner.
[0020] The effect achieved by the above components is: by setting the limit block, the area of the entrance of the screw hole U-shaped block can be increased, so that the screw hole block can be quickly aligned and inserted, which is convenient for the installation of the protective sealing frame.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, by arranging a lubrication device, during routine maintenance of the sand-falling roller supporting wheel device, lubricating oil can be put into the lubricating oil barrel, so that the lubricating oil can penetrate into the sponge block and evenly penetrate and smear it on the outer surface of the ball to achieve the effect of lubrication and maintenance, so that when it is in use, the friction resistance between the outer surface of the ball and the inner wall of the outer ring of the bearing and the inner wall of the inner ring of the bearing is reduced, the sound generated by the friction is reduced, the rolling is smoother, the use effect of the bearing is improved, and the use of the sand-falling roller supporting wheel device is not affected. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the outer ring of the bearing of the utility model;
[0025] Figure 3 for Figure 2 A three-dimensional schematic diagram of the structure of the middle part;
[0026] Figure 4 It is a three-dimensional structural schematic diagram of the protective sealing frame of the utility model.
[0027] Legend: 1. Bearing outer ring; 2. Lubrication device; 3. Protective sealing device; 4. Bearing inner ring; 5. Cage; 6. Ball; 7. Base; 8. Sand-dropping drum body; 21. Lubricating oil drum; 22. Oil drum cover; 23. Outlet pipe; 24. Guide groove; 25. Guide hole; 26. Elastic rubber block; 27. Evenly smearing mechanism; 271. Rectangular groove; 272. Sponge block; 28. Connecting rope; 31. Screw hole U-shaped block; 32. Protective sealing frame; 33. Screw hole block; 34. Bolt; 35. Sealing ring block; 36. Limit block. DETAILED DESCRIPTION
[0028] Embodiment 1, as Figure 1-4As shown, a sealed rolling bearing of a sand-falling drum supporting wheel device comprises a bearing outer ring 1 and a bearing inner ring 4 arranged on a base 7 and a sand-falling drum body 8, a retaining frame 5 is sleeved and connected to the outer surface of the bearing inner ring 4, a plurality of inner walls of the retaining frame 5 are rotatably connected with balls 6, the retaining frame 5 and the bearing inner ring 4 and a plurality of balls 6 are all inserted into the inner wall of the bearing outer ring 1, a lubrication device 2 for lubricating the inner wall and the outer surface of the balls 6 is arranged inside the bearing outer ring 1, a uniform coating mechanism 27 for coating with a plurality of auxiliary lubrication devices 2 is arranged on the inner wall of the bearing outer ring 1, and a protective sealing device 3 is arranged on the outer surface of the bearing outer ring 1. During routine maintenance of the sand-falling roller supporting wheel device, lubricating oil can be put into the lubricating device 2, so that it cooperates with the uniform coating mechanism 27 to evenly penetrate and coat the outer surface of the ball 6, and then lubricate and maintain the outer surface of the ball 6 and the inner walls of the bearing outer ring 1 and the bearing inner ring 4. Before using the sand-falling roller supporting wheel device, first install the protective sealing device 3 on the bearing outer ring 1, and perform protective sealing between the bearing outer ring 1 and the bearing inner ring 4 to prevent external dust and impurities from falling into the inner wall of the device and causing jamming.
[0029] Reference Figure 2 and Figure 3 As shown, this embodiment discloses a lubricating device 2 including a lubricating oil barrel 21 and an oil barrel cover 22, the inlet of the lubricating oil barrel 21 is threadedly inserted into the inner wall of the oil barrel cover 22, one side of the lubricating oil barrel 21 is penetrated and connected with a plurality of outlet pipes 23, a guide groove 24 is opened inside the bearing outer ring 1, a plurality of outlet pipes 23 penetrate the outer surface of the bearing outer ring 1 and extend into the guide groove 24, a plurality of guide holes 25 are opened on the inner wall of the bearing outer ring 1, the inner wall of the guide hole 25 is connected with the inner wall of the guide groove 24, and a plurality of elastic rubber blocks 26 are fixedly connected to the inner wall of the guide hole 25. When performing daily maintenance on the sand-dropping drum supporting wheel device, the oil drum cover 22 can be screwed on from the inlet of the lubricating oil drum 21, and then the lubricating oil can be poured into the lubricating oil drum 21, and then the oil drum cover 22 is screwed on. The lubricating oil will flow into the guide groove 24 through the outlet pipe 23, and then flow in the guide groove 24 to be evenly distributed inside the outer ring 1 of the bearing. When the lubricating oil is added to a certain amount, the lubricating oil will squeeze the several elastic rubber blocks 26 in the guide hole 25, so that it overflows from the gap, and then falls on the ball 6 to lubricate the surface of the ball 6. When the ball 6 rotates, the applied lubricating oil will be brought to the inner wall of the outer ring 1 of the bearing and the inner ring 4 of the bearing, so that when it is used, the friction resistance between the outer surface of the ball 6 and the inner wall of the outer ring 1 of the bearing and the inner wall of the inner ring 4 of the bearing is reduced, the sound generated by the friction is reduced, the rolling is smoother, the use effect of the bearing is improved, and it does not affect the use of the sand-dropping drum supporting wheel device.
[0030] Reference Figure 2 and Figure 3 As shown, the present embodiment discloses a uniform coating mechanism 27 including a plurality of sponge blocks 272, a plurality of rectangular grooves 271 are provided on the inner wall of the bearing outer ring 1, the inner wall of the rectangular groove 271 is connected to the inner wall of the guide hole 25, and the inner wall of the rectangular groove 271 is fixedly connected to the outer surface of the sponge block 272. By setting the uniform coating mechanism 27, after the lubricating oil flows out through the gaps between the plurality of elastic rubber blocks 26, it will flow into the rectangular groove 271, and then penetrate into the sponge block 272, one side of the sponge block 272 is closely attached to the outer surface of the ball 6, and when the ball 6 rotates, the infiltrated lubricating oil will be evenly coated on the outer surface of the ball 6, so as to achieve the effect of uniform coating and improve the efficiency of lubrication. A connecting rope 28 is fixedly connected to one side of the oil barrel cover 22, and one end of the connecting rope 28 is fixedly connected to one side of the lubricating oil barrel 21. By setting the connecting rope 28, the oil barrel cover 22 can be limited on one side of the lubricating oil barrel 21, so that it is not easy to be lost when it is unscrewed from the outlet.
[0031] Reference Figure 4 As shown, this embodiment discloses a protective sealing device 3 including a protective sealing frame 32 and a plurality of bolts 34, the outer surface of the bearing outer ring 1 is symmetrically fixedly connected with a plurality of screw hole U-shaped blocks 31, the outer surface of the protective sealing frame 32 is symmetrically fixedly connected with a screw hole block 33, one end of the screw hole block 33 is inserted into the inner wall of the screw hole U-shaped block 31, and one end of the bolt 34 is spirally inserted into the inner walls of the screw hole block 33 and the screw hole U-shaped block 31. Before using the sand-dropping drum supporting wheel device, first, respectively clamp the two screw hole blocks 33 on the outer surface of the protective sealing frame 32 into the inner wall of the screw hole U-shaped block 31, and then make one side of the protective sealing frame 32 close to one side of the bearing outer ring 1 and the bearing inner ring 4, and then screw the bolt 34 into the inner wall of the screw hole block 33 and the screw hole U-shaped block 31, fix the protective sealing frame 32 on the outer surface of the bearing outer ring 1, and seal and protect the space between the bearing outer ring 1 and the bearing inner ring 4 to prevent external dust and impurities from falling between the bearing outer ring 1 and the bearing inner ring 4, causing the ball 6 to be stuck on the retaining frame 5, affecting the rotation of the bearing inner ring 4.
[0032] Reference Figure 4As shown, this embodiment discloses that one end of the bolt 34 has a hexagonal longitudinal section, and the outer surface size of the hexagonal end of the bolt 34 is larger than the inner wall size of the screw hole block 33. By setting one end of the bolt 34 to be hexagonal, the contact area and friction force of one end of the bolt 34 can be increased due to the angular outer surface of the hexagon, so that it is convenient to manually hold and twist it. A sealing ring block 35 is fixedly connected to one side of the protective seal frame 32, and the outer surface size of the sealing ring block 35 is larger than the inner wall size of the bearing outer ring 1, and the inner wall size of the sealing ring block 35 is smaller than the outer surface size of the bearing inner ring 4. By setting the sealing ring block 35, the gap between one side of the protective seal frame 32 and one side of the bearing outer ring 1 and the bearing inner ring 4 can be sealed and blocked, thereby improving the sealing protection effect. A limit block 36 is symmetrically fixedly connected to one side of the screw hole U-shaped block 31, and the two limit blocks 36 are fixed on both sides of the entrance of the screw hole U-shaped block 31 in an inclined manner. By providing the limiting block 36 , the area of the entrance of the screw hole U-shaped block 31 can be increased, so that the screw hole block 33 can be quickly aligned and inserted, and the installation of the protective sealing frame 32 is convenient.
[0033] Working principle: When performing daily maintenance on the sand-falling drum supporting wheel device, the oil barrel cover 22 can be screwed on from the inlet of the lubricating oil barrel 21, and then the lubricating oil can be poured into the lubricating oil barrel 21, and then the oil barrel cover 22 is screwed on. The lubricating oil will flow into the guide groove 24 through the outlet pipe 23, and then flow in the guide groove 24 to be evenly distributed inside the outer ring 1 of the bearing. When the lubricating oil is added to a certain amount, the lubricating oil will squeeze the several elastic rubber blocks 26 in the guide hole 25, so that it overflows from the gap and flows into the rectangular groove 271, and then penetrates into the sponge block 272. In the embodiment, one side of the sponge block 272 is tightly attached to the outer surface of the ball 6. When the ball 6 rotates, the infiltrated lubricating oil will be evenly smeared on the outer surface of the ball 6 to achieve a uniform smearing effect. When the ball 6 rotates, the smeared lubricating oil will be brought to the inner walls of the bearing outer ring 1 and the bearing inner ring 4, so that when in use, the friction resistance between the outer surface of the ball 6 and the inner wall of the bearing outer ring 1 and the inner wall of the bearing inner ring 4 is reduced, the sound generated by the friction is reduced, the rolling is smoother, the use effect of the bearing is improved, and it does not affect the use of the sand-falling drum supporting wheel device.
[0034] Before using the sand-dropping drum supporting wheel device, first, respectively clamp the two screw hole blocks 33 on the outer surface of the protective sealing frame 32 into the inner wall of the screw hole U-shaped block 31, and then make one side of the protective sealing frame 32 close to one side of the bearing outer ring 1 and the bearing inner ring 4, and then screw the bolt 34 into the inner wall of the screw hole block 33 and the screw hole U-shaped block 31, fix the protective sealing frame 32 on the outer surface of the bearing outer ring 1, and seal and protect the space between the bearing outer ring 1 and the bearing inner ring 4 to prevent external dust and impurities from falling between the bearing outer ring 1 and the bearing inner ring 4, causing the ball 6 to be stuck on the retaining frame 5, affecting the rotation of the bearing inner ring 4.
Claims
1. A sealed rolling bearing of a sand-falling drum supporting wheel device, comprising a bearing outer ring (1) and a bearing inner ring (4) arranged on a base (7) and a sand-falling drum body (8), characterized in that: The outer surface of the bearing inner ring (4) is sleeved with a retaining frame (5), and a plurality of inner walls of the retaining frame (5) are rotatably connected with balls (6). The retaining frame (5), the bearing inner ring (4) and the plurality of balls (6) are all inserted into the inner wall of the bearing outer ring (1). The interior of the bearing outer ring (1) is provided with a lubricating device (2) for lubricating the inner wall and the outer surface of the balls (6). The inner wall of the bearing outer ring (1) is provided with a plurality of uniform smearing mechanisms (27) for smearing by the auxiliary lubricating devices (2), and the outer surface of the bearing outer ring (1) is provided with a protective sealing device (3).
2. The sealed rolling bearing of the sand-falling drum supporting wheel device according to claim 1, characterized in that: The lubricating device (2) comprises a lubricating oil barrel (21) and an oil barrel cover (22); the inlet of the lubricating oil barrel (21) is threadedly inserted into the inner wall of the oil barrel cover (22); one side of the lubricating oil barrel (21) is penetrated and connected with a plurality of outlet pipes (23); a guide groove (24) is provided inside the bearing outer ring (1); the plurality of outlet pipes (23) penetrate the outer surface of the bearing outer ring (1) and extend into the guide groove (24); the inner wall of the bearing outer ring (1) is provided with a plurality of guide holes (25); the inner wall of the guide hole (25) is connected to the inner wall of the guide groove (24); and the inner wall of the guide hole (25) is fixedly connected with a plurality of elastic rubber blocks (26).
3. The sealed rolling bearing of the sand-falling drum supporting wheel device according to claim 2, characterized in that: The uniform smearing mechanism (27) comprises a plurality of sponge blocks (272); the inner wall of the bearing outer ring (1) is provided with a plurality of rectangular grooves (271); the inner walls of the rectangular grooves (271) are connected to the inner walls of the guide holes (25); and the inner walls of the rectangular grooves (271) are fixedly connected to the outer surfaces of the sponge blocks (272).
4. The sealed rolling bearing of the sand-falling drum supporting wheel device according to claim 2, characterized in that: A connecting rope (28) is fixedly connected to one side of the oil barrel cover (22), and one end of the connecting rope (28) is fixedly connected to one side of the lubricating oil barrel (21).
5. The sealed rolling bearing of the sand-falling drum supporting wheel device according to claim 1, characterized in that: The protective sealing device (3) comprises a protective sealing frame (32) and a plurality of bolts (34); the outer surface of the bearing outer ring (1) is symmetrically fixedly connected with a plurality of screw hole U-shaped blocks (31); the outer surface of the protective sealing frame (32) is symmetrically fixedly connected with a screw hole block (33); one end of the screw hole block (33) is inserted into the inner wall of the screw hole U-shaped block (31); and one end of the bolt (34) is spirally inserted into the inner walls of the screw hole block (33) and the screw hole U-shaped block (31).
6. The sealed rolling bearing of the sand-falling drum supporting wheel device according to claim 5, characterized in that: One end of the bolt (34) has a hexagonal longitudinal section, and the outer surface size of the hexagonal end of the bolt (34) is larger than the inner wall size of the screw hole block (33).
7. The sealed rolling bearing of the sand-falling drum supporting wheel device according to claim 5, characterized in that: A sealing ring block (35) is fixedly connected to one side of the protective sealing frame (32); the outer surface size of the sealing ring block (35) is larger than the inner wall size of the bearing outer ring (1); and the inner wall size of the sealing ring block (35) is smaller than the outer surface size of the bearing inner ring (4).
8. The sealed rolling bearing of the sand-falling drum supporting wheel device according to claim 5, characterized in that: One side of the screw hole U-shaped block (31) is symmetrically fixedly connected to a limiting block (36), and two limiting blocks (36) are fixed in an inclined manner on both sides of the entrance of the screw hole U-shaped block (31).