Anti-deviation thrust self-aligning roller bearing

By setting up a clamping limit assembly and a heat dissipation assembly in the thrust centering roller bearing, combined with an annular transmission groove and oil-absorbing trousers, the internal deviation problem of bearings is solved, and the lubrication effect and use efficiency are improved.

CN222254702UActive Publication Date: 2024-12-27WAFANGDIAN YUANDONG BEARING CO LTD
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Patent Information

Application Number
CN202421232414.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2024-12-27
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

During the use of the thrust centering roller bearing, the gap between the internal roller and the roller groove causes the deviation, resulting in uneven force, which affects the normal use of the bearing and the efficiency of the machine.

Method used

The clamping limit assembly and the lower clamping frame are designed to set the upper and lower limits of the bearings, and combined with the heat dissipation assembly to cool down, an annular transmission groove and oil-absorbing trousers are set to improve the lubrication effect and prevent offset and friction from increasing.

Benefits of technology

It effectively prevents rotational deviation, reduces friction, and improves the rolling efficiency and use efficiency of the bearing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bearings, in particular to an anti-deviation thrust self-aligning roller bearing which mainly comprises an outer supporting ring, a bearing groove is formed in the inner wall of the outer supporting ring, a retainer is arranged on the inner side of the outer supporting ring, a roller body is arranged in the retainer, an inner supporting ring is arranged on the inner side of the retainer, and the bearing groove is formed in the inner wall of the inner supporting ring. The clamping limiting assembly is arranged at the right end of the inner side of the inner supporting ring, a heat dissipation assembly is arranged in the clamping limiting assembly, and a lower clamping frame is arranged at the left end of the inner side of the inner supporting ring. According to the anti-deviation thrust self-aligning roller bearing, by arranging the clamping limiting assembly and the lower clamping frame, the upper end and the lower end of the bearing are limited, a heat dissipation assembly is connected for cooling, and rotation deviation caused by high-temperature thermal expansion internal deformation and friction force increase is avoided; and lubricating oil is thrown out of the inner supporting ring under the action of centrifugal force and makes contact with the roller body, the internal lubricating effect is improved, and the rolling efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to an anti-deviating thrust spherical roller bearing. Background Art

[0002] Thrust spherical roller bearings have the advantages of compact structure, perfect sealing, convenient loading and unloading, and large automatic self-aligning range. Its characteristics are: used to bear axial load and radial combined load, but the radial load shall not exceed 55% of the axial load. Compared with other thrust bearings, this type of bearing has a lower friction factor, higher speed, and self-aligning performance.

[0003] The Chinese patent with the publication number CN219809274U discloses a thrust spherical roller bearing, which includes a seat ring and a shaft ring, a retainer is installed between the seat ring and the shaft ring, a plurality of rotating shafts are installed in the retainer, a plurality of rollers are installed in the retainer, the rollers are rotatably matched with the rotating shafts, a gap is provided between the rollers and the seat ring, an oil tank is provided in the seat ring, an oil filling port connected to the oil tank is provided in the seat ring, an oil outlet pipe is provided on one side of the oil tank, one end of the oil outlet pipe is connected to the oil tank, and the other end of the oil outlet pipe is located in the gap. In the utility model, the rotating shaft is installed in the retainer, and the roller is sleeved on the rotating shaft, which can limit the roller, and after the retainer is disassembled, it can also ensure that the roller will not scatter, prevent the roller from being lost, and facilitate the replacement of several rollers, an oil tank is opened in the seat ring, and an oil outlet pipe is provided on one side of the oil tank, and lubricating oil can be automatically added through the oil outlet pipe to prevent the friction of the roller from increasing due to insufficient lubricating oil.

[0004] The above-mentioned equipment is easy to disassemble and assemble during use, and the inner rollers are easy to replace, which improves the connection efficiency of the bearings. During the use of the bearings, there is a gap between the internal rollers and the rolling grooves, resulting in a certain offset, which leads to uneven internal force and possible bearing failure, thereby affecting the normal use of the associated installed machines and reducing the use efficiency. This needs to be optimized and improved. Utility Model Content

[0005] The utility model aims to provide an anti-deviating thrust spherical roller bearing to solve the problems raised by the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An anti-deviating thrust spherical roller bearing, comprising:

[0008] An outer support ring, wherein the inner wall of the outer support ring is provided with a receiving groove, and a retaining frame is arranged on the inner side of the outer support ring, a roller body is arranged inside the retaining frame, and an inner support ring is arranged on the inner side of the retaining frame;

[0009] A clamping limit assembly is arranged at the inner right end of the inner support ring, a heat dissipation assembly is arranged inside the clamping limit assembly, and a lower clamping frame is arranged at the inner left end of the inner support ring;

[0010] An oil filling groove runs through the upper and lower walls of the inner support ring. Plugs are provided at both upper and lower ends of the inner support ring. An annular transmission groove is opened in the middle of the inner wall of the inner support ring. An oil absorbing cotton strip is provided inside the annular transmission groove.

[0011] Preferably, a clamping limit assembly is connected to the inner right end of the inner support ring, and a lower clamping frame is provided at the inner left end of the inner support ring.

[0012] Preferably, the clamping and limiting assembly includes an upper clamping frame, and the upper clamping frame is installed on the inner right wall of the inner support ring, and a positioning screw is connected inside the left wall of the upper clamping frame.

[0013] Preferably, a guide groove is provided on the inner top wall of the upper clamping frame, and a placement groove is provided inside the right wall of the upper clamping frame.

[0014] Preferably, a heat dissipation component is arranged on the right side inside the upper clamping frame, and the heat dissipation component comprises a heat-absorbing metal sheet, and the heat-absorbing metal sheet is arranged inside the placement groove.

[0015] Preferably, the right end of the heat-absorbing metal sheet is connected to a heat-conducting rod, and the right end of the heat-conducting rod is connected to a heat-exchanging sheet.

[0016] Preferably, the upper and lower inner walls of the inner support ring are penetrated with oil filling grooves, and the upper and lower ends of the inner support ring are connected with plugs.

[0017] Preferably, an annular transmission groove is provided in the middle of the inner wall of the inner support ring, and an oil-absorbing cotton strip is passed through the interior of the annular transmission groove.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model sets limit settings for both the upper and lower ends of the bearing by setting a clamping limit assembly and a lower clamping frame, and connects a heat dissipation assembly to cool down, thereby avoiding deformation of the internal support due to high temperature thermal expansion, and increasing friction to cause rotation deviation;

[0020] An annular transmission groove is provided for placing the oil-absorbing cotton strips, and the lubricating oil is thrown out of the inner support ring under the action of centrifugal force, and contacts with the roller body, thereby improving the internal lubrication effect and increasing the rolling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2It is a schematic diagram of a partially unfolded three-dimensional structure of the utility model;

[0023] Figure 3 It is a schematic diagram of a partially unfolded three-dimensional structure of the clamping limit assembly and the heat dissipation assembly of the utility model;

[0024] Figure 4 It is a schematic diagram of a partial cross-section of the three-dimensional structure of the inner support ring of the utility model.

[0025] In the figure: 1. outer support ring; 2. receiving groove; 3. retaining frame; 4. roller body; 5. inner support ring; 6. clamping limit assembly; 601. upper clamping frame; 602. guide groove; 603. positioning screw; 604. placement groove; 7. heat dissipation assembly; 701. heat absorbing metal sheet; 702. heat conducting rod; 703. heat exchange plate; 8. lower clamping frame; 9. oil filling groove; 10. plug; 11. annular transmission groove; 12. oil absorbing cotton strip. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this application.

[0028] Embodiment 1:

[0029] See also Figure 1-4 The utility model provides a technical solution: an anti-deviating thrust spherical roller bearing, comprising:

[0030] An outer support ring 1, the inner wall of which is provided with a receiving groove 2, a retaining frame 3 is provided on the inner side of the outer support ring 1, a roller body 4 is provided inside the retaining frame 3, and an inner support ring 5 is provided on the inner side of the retaining frame 3;

[0031] A clamping limit assembly 6 is provided at the inner right end of the inner support ring 5, a heat dissipation assembly 7 is provided inside the clamping limit assembly 6, and a lower clamping frame 8 is provided at the inner left end of the inner support ring 5;

[0032] An oil injection groove 9 is provided, which runs through the upper and lower walls of the inner support ring 5. Plugs 10 are provided at both upper and lower ends of the inner support ring 5. An annular transmission groove 11 is provided in the middle of the inner wall of the inner support ring 5. An oil-absorbing cotton strip 12 is provided inside the annular transmission groove 11.

[0033] By setting the clamping limit assembly 6 and the lower clamping frame 8, the upper and lower ends of the bearing are limited, and the heat dissipation assembly 7 is connected to cool down to avoid high-temperature thermal expansion and deformation of the internal support, which increases the friction and causes rotation deviation. An annular transmission groove 11 is set to place the oil-absorbing cotton strips 12. Under the action of centrifugal force, the lubricating oil is thrown out of the inner support ring 5 and contacts with the roller body 4, thereby improving the internal lubrication effect and increasing the rolling efficiency.

[0034] Embodiment 2:

[0035] like Figure 2 and Figure 3 As shown, an anti-deviating thrust spherical roller bearing disclosed in the second embodiment of the utility model has a structure that is basically the same as that in the first embodiment, except that a clamping limit assembly 6 is connected to the inner right end of the inner support ring 5, and a lower clamping frame 8 is provided at the inner left end of the inner support ring 5, the clamping limit assembly 6 includes an upper clamping frame 601, and the upper clamping frame 601 is installed on the inner right wall of the inner support ring 5, a positioning screw 603 is connected inside the left wall of the upper clamping frame 601, a guide groove 602 is provided on the inner top wall of the upper clamping frame 601, and a placement groove 604 is provided inside the right wall of the upper clamping frame 601;

[0036] The upper clamping frame 601 is installed in the inner right end groove of the inner support ring 5 by means of the positioning screw 603, and then the guide groove 602 fits the top wall of the outer support ring 1 and the inner support ring 5 to guide the movement and limit the top end of the bearing. The outer side of the upper clamping frame 601 fits the outer wall of the outer support ring 1 without affecting the operation of the internal bearing. The internal structure of the lower clamping frame 8 is the same as that of the upper clamping frame 601, and it is installed in the inner left wall groove of the inner support ring 5 to protect the bottom end of the bearing.

[0037] Embodiment three:

[0038] like Figure 3 As shown, an anti-deviating thrust spherical roller bearing disclosed in the third embodiment of the utility model has a structure that is basically the same as that in the second embodiment, except that a heat dissipation assembly 7 is provided on the right side of the upper clamping frame 601, and the heat dissipation assembly 7 includes a heat-absorbing metal sheet 701, and the heat-absorbing metal sheet 701 is provided inside the placement groove 604, and the right end of the heat-absorbing metal sheet 701 is connected to a heat-conducting rod 702, and the right end of the heat-conducting rod 702 is connected to a heat exchange sheet 703;

[0039] The heat-absorbing metal sheet 701 is installed in the mounting groove 604, and is installed snugly and appropriately without affecting the rotation of the bearing. Then the heat-absorbing metal sheet 701 absorbs the heat generated by the internal rotation and transmits it to the heat exchange sheet 703 through the heat-conducting rod 702 for heat exchange, thereby reducing the temperature of the bearing during operation to a certain extent.

[0040] Embodiment 4:

[0041] like Figure 4 As shown, an anti-deviating thrust spherical roller bearing disclosed in the third embodiment of the utility model has a structure that is basically the same as that in the third embodiment, except that an oil filling groove 9 is penetrated through the upper and lower walls of the inner support ring 5, and plugs 10 are connected to the upper and lower ends of the inner support ring 5, an annular transmission groove 11 is provided in the middle of the inner wall of the inner support ring 5, and an oil-absorbing cotton strip 12 is penetrated inside the annular transmission groove 11;

[0042] The upper and lower walls of the inner support ring 5 are penetrated by oil filling grooves 9, and plugs 10 are provided at the upper and lower ends of the oil filling grooves 9 to facilitate the injection of lubricating oil. Multiple oil filling grooves 9 are provided, and the internal air pressure can be adjusted during oil injection. After the oil fills the oil filling grooves 9, the oil will continue to spread and be injected into the annular transmission groove 11, and be absorbed by the oil-absorbing cotton strips 12. Then, a hole penetrating the outer wall of the inner support ring 5 is opened on the inner side of the annular transmission groove 11. Under the action of the centrifugal force of rotation, the oil flows out and contacts the roller body 4. It is evenly arranged after rotation, which further reduces the friction during the working process of the bearing and improves the use efficiency.

[0043] The specific solution is as follows: a limit device is installed inside the bearing to prevent rotation deviation, the upper clamping frame 601 is installed at the inner right end groove of the inner support ring 5 by means of a positioning screw 603, and then the guide groove 602 fits the top wall of the outer support ring 1 and the inner support ring 5 to guide the movement and limit and fix the top end of the bearing, the outer side of the upper clamping frame 601 fits the outer wall of the outer support ring 1 without affecting the operation of the internal bearing, the internal structure of the lower clamping frame 8 is the same as that of the upper clamping frame 601, and it is installed in the inner left wall groove of the inner support ring 5 to protect the bottom end of the bearing, and then the heat-absorbing metal sheet 701 is installed in the placement groove 604, fits and fits without affecting the rotation of the bearing, and then the heat-absorbing metal sheet 701 absorbs the heat generated by the internal rotation and passes through the heat-conducting rod 702 is transmitted to the heat exchange plate 703 for heat exchange, which reduces the temperature of the bearing during operation to a certain extent. The same cooling arrangement is also provided inside the lower clamping frame 8. The upper and lower walls of the inner support ring 5 are penetrated by oil filling grooves 9. Plugs 10 are provided at the upper and lower ends of the oil filling grooves 9 to facilitate the injection of lubricating oil. Multiple oil filling grooves 9 are provided, and the internal air pressure can be adjusted during oil injection. After the oil fills the oil filling grooves 9, the oil will continue to spread and be injected into the annular transmission groove 11, and be absorbed by the oil-absorbing cotton strip 12. Then, a hole penetrating the outer wall of the inner support ring 5 is opened on the inner side of the annular transmission groove 11. Under the action of the centrifugal force of rotation, the oil flows out and contacts the roller body 4. It is evenly arranged after rotation, which further reduces the friction during the working process of the bearing. Reducing friction can also avoid temperature increase.

[0044] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0045] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. An anti-deviating thrust spherical roller bearing, characterized in that: include: An outer support ring (1), the inner wall of the outer support ring (1) is provided with a receiving groove (2), a retaining frame (3) is arranged on the inner side of the outer support ring (1), a roller body (4) is arranged inside the retaining frame (3), and an inner support ring (5) is arranged on the inner side of the retaining frame (3); A clamping limit assembly (6), the clamping limit assembly (6) is arranged at the inner right end of the inner support ring (5), a heat dissipation assembly (7) is arranged inside the clamping limit assembly (6), and a lower clamping frame (8) is arranged at the inner left end of the inner support ring (5); An oil injection groove (9) is provided, the oil injection groove (9) runs through the upper and lower walls of the inner support ring (5), the upper and lower ends of the inner support ring (5) are provided with plugs (10), the middle part of the inner wall of the inner support ring (5) is provided with an annular transmission groove (11), and an oil absorbing cotton strip (12) is provided inside the annular transmission groove (11).

2. The anti-deviating thrust spherical roller bearing according to claim 1, characterized in that: The inner right end of the inner support ring (5) is connected to a clamping limit assembly (6), and the inner left end of the inner support ring (5) is provided with a lower clamping frame (8).

3. The anti-deviating thrust spherical roller bearing according to claim 2, characterized in that: The clamping limit assembly (6) comprises an upper clamping frame (601), and the upper clamping frame (601) is installed on the inner right wall of the inner support ring (5), and a positioning screw (603) is connected inside the left wall of the upper clamping frame (601).

4. The anti-deviating thrust spherical roller bearing according to claim 3, characterized in that: A guide groove (602) is provided on the inner top wall of the upper clamping frame (601), and a placement groove (604) is provided inside the right wall of the upper clamping frame (601).

5. The anti-deviating thrust spherical roller bearing according to claim 3, characterized in that: A heat dissipation component (7) is arranged on the right side inside the upper clamping frame (601), and the heat dissipation component (7) comprises a heat-absorbing metal sheet (701), and the heat-absorbing metal sheet (701) is arranged inside the placement groove (604).

6. The anti-deviating thrust spherical roller bearing according to claim 5, characterized in that: The right end of the heat-absorbing metal sheet (701) is connected to a heat-conducting rod (702), and the right end of the heat-conducting rod (702) is connected to a heat-exchanging sheet (703).

7. The anti-deviating thrust spherical roller bearing according to claim 1, characterized in that: The inner upper and lower walls of the inner support ring (5) are penetrated by oil injection grooves (9), and the upper and lower ends of the inner support ring (5) are connected to plugs (10).

8. The anti-deviating thrust spherical roller bearing according to claim 1, characterized in that: An annular transmission groove (11) is provided in the middle of the inner wall of the inner support ring (5), and an oil-absorbing cotton strip (12) is inserted into the annular transmission groove (11).