Double-row tapered roller bearing with lubricating structure

Abstract

The utility model provides a double-row tapered roller bearing with a lubricating structure, which relates to the technical field of bearings, and comprises an outer ring, an oil injection hole is arranged on the arc surface of the outer ring, a plurality of uniformly distributed rollers are arranged on the inner wall of the outer ring, an inner ring is arranged on the inner wall of the outer ring, and the outer ring is provided with a lubricating structure. The double-row tapered roller bearing comprises an outer ring, the two sides of the surface of the outer ring are respectively provided with a protection device, each protection device comprises a gasket, the surface of each gasket is provided with a plurality of evenly-distributed screw holes, and the inner walls of the screw holes are respectively in threaded connection with bolts, and the double-row tapered roller bearing solves the problems that in the prior art, the gaskets are installed on the two sides of the double-row tapered roller bearing for protection, the service life of the double-row tapered roller bearing is prolonged, and the service life of the double-row tapered roller bearing is prolonged. The problems that in the prior art, a gasket is clamped on a bearing to protect internal parts, dust and impurities are not prone to entering the interior, but a common gasket is clamped on the bearing, the connection stability is poor, the gasket is prone to loosening and falling in the using process, the normal protection effect on the bearing is affected, and the service life of the bearing is also affected to a certain degree are solved.

Description

Technical Field

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

[0002] Double-row tapered roller bearings are a type of bearing that has the advantages of being able to withstand large torque and axial forces in two directions, and are easy to install and maintain.

[0003] Traditional double-row tapered roller bearings have been widely used in various fields such as engineering machinery and light industrial machinery. When in use, they are installed on the main shaft of some special rotating equipment. However, in actual use, it is found that in order to protect the double-row tapered roller bearings, washers are installed on both sides to protect the internal components and prevent dust and impurities from entering the interior. However, general washers are clamped on the bearings, and the connection stability is poor. During use, they are prone to loosening and falling, affecting the normal protection effect of the bearings and also having a certain impact on the service life of the bearings. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that washers are installed on both sides of a double-row tapered roller bearing in the prior art to protect the internal components and prevent dust and impurities from entering the interior, but the general washers are clamped on the bearings, the connection stability is poor, and they are easy to loosen and fall off during use, which affects the normal protection effect of the bearings and has a certain impact on the service life of the bearings. A double-row tapered roller bearing with a lubrication structure is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a double-row tapered roller bearing with a lubrication structure, comprising an outer ring, an oil filling hole is provided on the arc surface of the outer ring, a plurality of evenly distributed rollers are arranged on the inner wall of the outer ring, an inner ring is installed on the inner wall of the outer ring, protective devices are respectively arranged on both sides of the surface of the outer ring, the protective devices include washers, a plurality of evenly distributed screw holes are provided on the surface of the washers, a plurality of bolts are respectively threadedly connected to the inner walls of the screw holes, a rotation groove is provided on one side surface of the bolt, and the bolt is threadedly connected to the surface of the outer ring.

[0006] The effect achieved by the above components is: when the bearing is in use, the protective washers on both sides of the surface are installed more stably and firmly, and are not easy to loosen or detach during use, thereby ensuring stable protection of the bearing, making it more difficult for dust and impurities to enter the interior of the bearing, ensuring the normal use of the bearing and preventing it from being damaged.

[0007] Preferably, inner walls of several of the screw holes are respectively provided with auxiliary grooves, and one end of the bolt is snap-fitted with the inner wall of the auxiliary groove.

[0008] The effect achieved by the above components is that, through the setting of the auxiliary groove, the bolt thread is connected to the washer more smoothly and neatly, and is not prone to unevenness, thereby ensuring the normal installation and use of the bearing.

[0009] Preferably, a mounting groove is provided on one side surface of the gasket, a reinforcement ring is clamped on the inner wall of the mounting groove, and the bolt is threadedly connected to the reinforcement ring.

[0010] The effect achieved by the above components is: through the provision of the reinforcement ring, the strength of the gasket is further improved, and thus during use, it is less likely to be damaged or deformed, thereby better playing a protective role.

[0011] Preferably, a stabilizing ring is fixedly connected to one side surface of the gasket, and the stabilizing ring is a rubber ring.

[0012] The effect achieved by the above components is: through the setting of the stabilizing ring, the gasket and the outer ring are less likely to contact with each other and a gap is less likely to be generated, so that dust and impurities are less likely to enter the interior, thereby improving the use effect of the protective device.

[0013] Preferably, a plurality of evenly distributed protrusions are fixedly connected to one side surface of the gasket, and the cross-sections of the plurality of protrusions are trapezoidal.

[0014] The effect achieved by the above components is that: through the setting of the protrusions, the contact and extrusion between the gasket and the inner ring are made more stable, so that the gasket can better protect the inner ring.

[0015] Preferably, a lubrication device is provided on the arc surface of the outer ring at the position of the oil filling hole, and the lubrication device includes an assembly block, the inner wall of the assembly block is provided with a placement groove, the surface of the assembly block is threadedly connected with two screws, and the two screws are threadedly connected to the surface of the outer ring.

[0016] The effect achieved by the above components is that the bearing can be easily lubricated when in use, which improves the use effect of the bearing and further prolongs the service life of the bearing.

[0017] Preferably, a protective ring is fixedly connected to the inner wall of the placement groove, and the cross-section of the protective ring is trapezoidal.

[0018] The effect achieved by the above components is that, by providing the protective ring, the solid lubricating paste in the placement groove can flow into the oil filling hole more concentratedly and stably when it melts.

[0019] Preferably, stabilizing rods are fixedly connected to both sides of the inner wall of the assembly block, and the stabilizing rods are sponge rods, and the stabilizing rods abut against the inner wall of the arc surface of the outer ring.

[0020] The effect achieved by the above components is that, through the arrangement of the stabilizing rod, the assembly block can be more stably and firmly installed on the outer ring, is not prone to loosening, and the stability of the use of the lubrication device is improved.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are:

[0022] In the utility model, when the bearing is in use, the protective washers on both sides of the surface are installed more stably and firmly, and are not easy to loosen or detach during use, thereby ensuring stable protection of the bearing, making it more difficult for dust and impurities to enter the interior of the bearing, ensuring the normal use of the bearing and preventing it from being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the three-dimensional structure of this application;

[0024] Figure 2 This is a schematic diagram of the exploded three-dimensional structure of the protection device of this application;

[0025] Figure 3 For this application Figure 2 A schematic diagram of the side three-dimensional structure;

[0026] Figure 4 This is a three-dimensional structural diagram of the lubrication structure of this application.

[0027] Legend: 1. Outer ring; 2. Oil filling hole; 3. Inner ring; 4. Roller; 5. Protective device; 51. Washer; 52. Screw hole; 53. Bolt; 54. Rotation groove; 55. Auxiliary groove; 56. Reinforcement ring; 57. Stabilization ring; 58. Bump; 59. Installation groove; 6. Lubrication structure; 61. Assembly block; 62. Placement groove; 63. Screw; 64. Protective ring; 65. Stabilizer bar. DETAILED DESCRIPTION

[0028] Embodiment 1, as Figure 1 As shown, a double-row tapered roller bearing with a lubrication structure includes an outer ring 1, an oil filling hole 2 is opened on the arc surface of the outer ring 1, a plurality of evenly distributed rollers 4 are arranged on the inner wall of the outer ring 1, an inner ring 3 is installed on the inner wall of the outer ring 1, protective devices 5 are respectively arranged on both sides of the surface of the outer ring 1, and a lubrication device 6 is arranged on the arc surface of the outer ring 1 at the position of the oil filling hole 2.

[0029] Reference Figure 1 , Figure 2 and Figure 3As shown, in this embodiment: the protection device 5 includes a washer 51, a surface of the washer 51 is provided with a plurality of evenly distributed screw holes 52, the inner walls of the plurality of screw holes 52 are respectively threadedly connected with bolts 53, a rotation groove 54 is provided on one side surface of the bolt 53, and the bolt 53 is threadedly connected with the surface of the outer ring 1. The effects achieved by the above components are as follows: when the protection device 5 is installed on both sides of the bearing, firstly, the two washers 51 are respectively arranged on both sides of the bearing, and then the rotation groove 54 on the bolt 53 is rotated, so that the bolt 53 is threadedly connected to the plurality of screw holes 52 on the surface of the washer 51, and the bolt 53 is threadedly connected to the outer ring 1, so that the position of the washer 51 is fixed. At this time, when the bearing is in use, the protection washers 51 on both sides of the surface are installed more stably and firmly, and are not easy to loosen and detach during use, thereby ensuring stable protection of the bearing, making it more difficult for dust and impurities to enter the interior of the bearing, ensuring the normal use of the bearing, and not easy to be damaged.

[0030] Reference Figure 1 , Figure 2 and Figure 3 As shown, in the present embodiment: the inner walls of several screw holes 52 are respectively provided with auxiliary grooves 55, and one end of the bolt 53 is clamped with the inner wall of the auxiliary groove 55. The effect achieved by the above components is: through the setting of the auxiliary groove 55, the bolt 53 is threadedly connected to the washer 51 more smoothly and neatly, and it is not easy to produce unevenness, thereby ensuring the normal installation and use of the bearing. A mounting groove 59 is provided on one side surface of the washer 51, and a reinforcement ring 56 is clamped on the inner wall of the mounting groove 59. The bolt 53 is threadedly connected to the reinforcement ring 56. The effect achieved by the above components is: through the setting of the reinforcement ring 56, the strength of the washer 51 is further improved, and then during use, it is less likely to be damaged and deformed, and the protective effect is better played.

[0031] Reference Figure 1 , Figure 2 and Figure 3 As shown, in this embodiment: a stabilizing ring 57 is fixedly connected to one side surface of the gasket 51, and the stabilizing ring 57 is a rubber ring. The effect achieved by the above components is: through the setting of the stabilizing ring 57, it is less likely to produce a gap when the gasket 51 contacts the outer ring 1, so that dust and impurities are more difficult to enter the interior, thereby improving the use effect of the protective device 5. A plurality of evenly distributed protrusions 58 are fixedly connected to one side surface of the gasket 51, and the cross-sections of the plurality of protrusions 58 are trapezoidal. The effect achieved by the above components is: through the setting of the protrusions 58, the contact and extrusion between the gasket 51 and the inner ring 3 is more stable, so that the gasket 51 can better protect the inner ring 3.

[0032] Reference Figure 1 and Figure 4As shown, in this embodiment: the lubricating device 6 includes an assembly block 61, the inner wall of the assembly block 61 is provided with a placement groove 62, the surface of the assembly block 61 is threaded with two screws 63, and the two screws 63 are threadedly connected to the surface of the outer ring 1. The effects achieved by the above components are: before the bearing is used, the solid lubricating paste is placed in the assembly groove of the assembly block 61, and then the two screws 63 are threadedly connected on the surface of the assembly block 61, and then the screws 63 are threadedly connected to the outer ring 1, so that the assembly block 61 is stably installed on the outer ring 1, and the placement groove 62 is aligned with the oil filling hole 2, and then during the use of the bearing, the heat generated will be transferred to the lubricating paste and melt it, and then the liquid lubricant will enter the inner part of the outer ring 1 along the oil filling hole 2 to lubricate the roller 4. At this time, when the bearing is in use, it can be conveniently lubricated, which improves the use effect of the bearing and further extends the service life of the bearing.

[0033] Reference Figure 1 and Figure 4 As shown, in this embodiment: the inner wall of the placement groove 62 is fixedly connected with a protective ring 64, and the cross-section of the protective ring 64 is trapezoidal. The effect achieved by the above components is: through the setting of the protective ring 64, when the solid lubricating paste in the placement groove 62 melts, it can flow into the oil filling hole 2 more concentratedly and stably, and the two sides of the inner wall of the assembly block 61 are fixedly connected with stabilizing rods 65 respectively. The stabilizing rods 65 are sponge rods, and the stabilizing rods 65 are abutted against the inner wall of the arc surface of the outer ring 1. The effect achieved by the above components is: through the setting of the stabilizing rods 65, the assembly block 61 can be more stably and firmly installed on the outer ring 1, and it is not easy to loosen, thereby improving the stability of the lubrication device 6.

[0034] Working principle: When installing the protective device 5 on both sides of the bearing, first set the two washers 51 on both sides of the bearing respectively, then install the reinforcement ring 56 in the installation groove 59, and then rotate the rotating groove 54 on the bolt 53 to make the bolt 53 threadedly connected to the several screw holes 52 on the surface of the washer 51, and make the bolt 53 threadedly connected to the outer ring 1 to fix the position of the washer 51. At this time, when the bearing is in use, the protective washers 51 on both sides of the surface are installed more stably and firmly, and are not easy to loosen or detach during use, thereby ensuring stable protection of the bearing, making it more difficult for dust and impurities to enter the interior of the bearing, ensuring the normal use of the bearing and not easy to be damaged.

[0035] Before the bearing is used, the solid lubricating paste is placed in the assembly groove of the assembly block 61, and then two screws 63 are threadedly connected on the surface of the assembly block 61, and then the screws 63 are threadedly connected to the outer ring 1, so that the assembly block 61 is stably installed on the outer ring 1, and the placement groove 62 is aligned with the oil filling hole 2. Then, during the use of the bearing, the heat generated will be transferred to the lubricating paste and melt it. Then, the liquid lubricant will enter the inner part of the outer ring 1 along the oil filling hole 2 to lubricate the roller 4. At this time, the bearing can be easily lubricated when in use, which improves the use effect of the bearing and further extends the service life of the bearing.

Claims

1. A double-row tapered roller bearing with a lubrication structure, comprising an outer ring (1), characterized in that: An oil injection hole (2) is provided on the arc surface of the outer ring (1), a plurality of rollers (4) are evenly distributed on the inner wall of the outer ring (1), an inner ring (3) is installed on the inner wall of the outer ring (1), and protective devices (5) are respectively provided on both sides of the surface of the outer ring (1), the protective devices (5) include a washer (51), a plurality of screw holes (52) are evenly distributed on the surface of the washer (51), and the inner walls of the plurality of screw holes (52) are respectively threadedly connected with bolts (53) A rotation groove (54) is provided on one side surface of the bolt (53), and the bolt (53) is threadedly connected to the surface of the outer ring (1); a mounting groove (59) is provided on one side surface of the washer (51), and a reinforcement ring (56) is clamped on the inner wall of the mounting groove (59), and the bolt (53) and the reinforcement ring (56) are threadedly connected; a plurality of evenly distributed protrusions (58) are fixedly connected to one side surface of the washer (51), and the cross-sections of the plurality of protrusions (58) are trapezoidal.

2. A double-row tapered roller bearing with a lubrication structure according to claim 1, characterized in that: The inner walls of the plurality of screw holes (52) are respectively provided with auxiliary grooves (55), and one end of the bolt (53) is clamped with the inner wall of the auxiliary groove (55).

3. The double-row tapered roller bearing with a lubrication structure according to claim 1, characterized in that: A stabilizing ring (57) is fixedly connected to one side surface of the gasket (51), and the stabilizing ring (57) is a rubber ring.

4. A double-row tapered roller bearing with a lubrication structure according to claim 1, characterized in that: A lubricating device (6) is provided on the arc surface of the outer ring (1) at the position of the oil filling hole (2), and the lubricating device (6) comprises an assembly block (61), the inner wall of the assembly block (61) is provided with a placement groove (62), and the surface of the assembly block (61) is threadedly connected with two screws (63), and the two screws (63) are threadedly connected to the surface of the outer ring (1).

5. The double-row tapered roller bearing with a lubrication structure according to claim 4, characterized in that: A protective ring (64) is fixedly connected to the inner wall of the placement groove (62), and the cross section of the protective ring (64) is trapezoidal.

6. A double-row tapered roller bearing with a lubrication structure according to claim 5, characterized in that: Stabilizing rods (65) are fixedly connected to both sides of the inner wall of the assembly block (61), and the stabilizing rods (65) are sponge rods. The stabilizing rods (65) abut against the inner wall of the arc surface of the outer ring (1).

Images