Lubricating oil lubricated slewing bearing for AGV (Automatic Guided Vehicle)

By designing an oil reservoir and oil sight glass structure in the slewing bearing, full lubrication of all steel balls is achieved, solving the problem of insufficient lubrication of some steel balls. This makes it suitable for high-speed operating conditions and extends service life.

CN223725159UActive Publication Date: 2025-12-26JIANGYIN YOUJU MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202520616395.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2025-12-26
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

In existing slewing bearings, some steel balls cannot be lubricated after a period of operation, and the grease cannot fully exert its lubricating effect at high speeds.

Method used

A structure including an outer support ring, an inner support ring, a raceway, an oil reservoir ring, an oil filler port, an oil drain port, a skeleton oil seal, an O-ring, and an X-ring was designed to form an oil reservoir and an oil mirror, ensuring that the steel ball is immersed in the lubricating oil and achieving oil bath lubrication.

Benefits of technology

All steel balls are fully lubricated, extending their service life and making them suitable for high-speed operation, with significantly improved lubrication performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a slewing bearing lubricated by lubricating oil for an AGV (Automatic Guided Vehicle), which comprises a bearing outer ring (1) and a bearing inner ring (2), a raceway (3) is arranged between the bearing outer ring (1) and the bearing inner ring (2), a steel ball (4) is arranged in the raceway (3), an oil storage ring (5) is arranged below the bearing outer ring (1) and the bearing inner ring (2), and the oil storage ring (5) is connected with the bearing outer ring (1) and the bearing inner ring (2). An oil storage area (12) is formed among the bearing outer ring (1), the bearing inner ring (2) and the oil storage ring (5), the top of the bearing inner ring (2) is provided with an oil filling port (6), the oil filling port (6) is communicated with the raceway (3), and the bottom of the oil storage area (12) is provided with an oil drainage port (7). According to the slewing bearing lubricated by the lubricating oil for the AGV, the problems that in the prior art, part of steel balls cannot be lubricated, and the rotating speed of the slewing bearing is low can be solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of rotary support lubricated by lubricating oil for AGV (Automated Guided Vehicle, for short AGV), belong to rotary support technical field. BACKGROUND

[0002] Rotary support is a kind of large bearing that can bear comprehensive load, can bear large axial, radial load and overturning moment simultaneously, and is widely used in engineering machinery, such as excavator.

[0003] The existing rotary support is mainly composed of outer ring, inner ring, steel ball, spacer block and sealing skin. Inner and outer rings are combined to form raceway, steel ball rolls in raceway, spacer block is used to isolate between steel balls, and 2 lithium-based grease is usually used for steel ball lubrication, and it is sealed by sealing skin. 2 lithium-based grease is relatively thick, after rotary support runs for a period of time, grease will be squeezed to one side, so that part of steel ball cannot be lubricated. In addition, when rotary support rotates at high speed, grease cannot fully play its lubricating role. SUMMARY

[0004] The utility model provides a kind of rotary support lubricated by lubricating oil for AGV to the technical problem to be solved by the utility model, which can solve the problems that part of steel ball cannot be lubricated and rotary support rotates slowly in prior art.

[0005] The technical scheme that the utility model solves above-mentioned problem is as follows: a kind of rotary support lubricated by lubricating oil for AGV, it includes support outer ring and support inner ring, support outer ring and support inner ring are provided with raceway, steel ball is provided in raceway, oil storage ring is provided below support outer ring and support inner ring, oil storage area is formed between support outer ring, support inner ring and oil storage ring, oil inlet is provided at the top of support inner ring, oil inlet is communicated with raceway, oil discharge port is provided at the bottom of oil storage area.

[0006] Optionally, skeleton oil seal is arranged between support outer ring and support inner ring, and the skeleton oil seal is located above the raceway.

[0007] Optionally, support inner ring and oil storage ring are connected by screw.

[0008] Optionally, X-shaped ring is arranged between oil storage ring and support outer ring.

[0009] Optionally, O-shaped ring is arranged between oil storage ring and support inner ring.

[0010] Optionally, X-shaped ring is arranged between oil storage ring and support outer ring.

[0011] Optionally, the X-shaped ring and the O-shaped ring are respectively located at the inner and outer sides of the oil storage groove.

[0012] Optionally, the oil filler extends downward from the top of the self-supporting outer ring, and the oil filler and the raceway are connected through an oil filling channel.

[0013] Optionally, an oil mirror is arranged on the inner wall of the supporting inner ring in the radial direction, and the oil mirror is connected with the raceway.

[0014] Optionally, the center lines of the oil filling pipeline and the oil mirror are flush with the center line of the steel ball.

[0015] Compared with the prior art, the rotary support has the following advantages:

[0016] 1. The steel ball in the rotary support is immersed in lubricating oil, and all the steel balls can be fully lubricated, thereby effectively prolonging the service life.

[0017] 2. The rotary support uses oil bath lubrication, has good lubrication effect, and can be applied to high-speed working conditions. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the rotary support lubricated by the lubricating oil of the AGV.

[0019] Figure 2 is a top view. Figure 1

[0020] Among them:

[0021] supporting outer ring 1

[0022] supporting inner ring 2

[0023] raceway 3

[0024] steel ball 4

[0025] oil storage ring 5

[0026] oil filler 6

[0027] oil drain 7

[0028] skeleton oil seal 8

[0029] O-shaped ring 9

[0030] X-shaped ring 10

[0031] screw 11

[0032] oil storage area 12

[0033] oil mirror 13 DETAILED DESCRIPTION ​

[0034] The utility model is further described in detail below in combination with the drawings of the embodiments.

[0035] As Figure 1 , Figure 2 shown, a rotary support lubricated by lubricating oil for AGV in the embodiment, it includes support outer ring 1 and support inner ring 2, support outer ring 1 and support inner ring 2 between being provided with raceway 3, raceway 3 in being provided with steel ball 4, support outer ring 1 and support inner ring 2 below being provided with oil storage ring 5, support outer ring 1, support inner ring 2 and oil storage ring 5 between forming oil storage area 12, support inner ring 2 top being provided with oil filler 6, oil filler 6 with raceway 3 is linked together, oil storage area 12 bottom being provided with oil drain 7;

[0036] Support outer ring 1 and support inner ring 2 between being provided with skeleton oil seal 8, skeleton oil seal 8 is located raceway 3 above, and support outer ring 1 and support inner ring 2 between are sealed by skeleton oil seal 8;

[0037] Support inner ring 2 and oil storage ring 5 between being connected by screw 11;

[0038] Oil storage ring 5 front being provided with oil storage groove, oil storage groove is located raceway 3 below;

[0039] Oil storage ring 5 and support outer ring 1 between being provided with X type ring 10, and oil storage ring 5 and support outer ring 1 between are sealed by X type ring 10;

[0040] Oil storage ring 5 and support inner ring 2 between being provided with O type ring 9, and oil storage ring 5 and support inner ring 2 between are sealed by O type ring 9;

[0041] O type ring 9 and X type ring 10 are located in the oil storage groove inside and outside two sides respectively;

[0042] Oil filler 6 from support outer ring 1 top downwardly extending setting;

[0043] Oil filler 6 and raceway 3 between being linked together by oiling channel;

[0044] Support inner ring 2 inner wall is provided with oil mirror 13 along the radial direction, and oil mirror 13 with raceway 3 is linked together;

[0045] The center line of oiling channel and oil mirror 13 and the center line of steel ball 4 are flush.

[0046] Working principle:

[0047] The outer support ring 1 and the inner support ring 2 combine to form a raceway 3, within which steel balls 4 roll. An oil reservoir 12 is formed between the outer support ring 1, the inner support ring 2, and the oil reservoir ring 5. The outer support ring 1 and the inner support ring 2 are sealed by a skeleton oil seal 8. The outer support ring 1 and the oil reservoir ring 5 are sealed by an X-ring 10. The inner support ring 2 and the oil reservoir ring 5 are sealed by an O-ring 9. An oil filler port 6 is used for adding lubricating oil. An oil drain port 7 is used for draining lubricating oil. An oil level sight glass 13 is used to observe the lubricating oil level.

[0048] Slewing bearing Figure 1 Place horizontally. Add lubricating oil through filler port 6, ensuring the oil level is above the center of steel ball 4. During operation, the slewing bearing is lubricated by an oil bath with steel ball 4, ensuring sufficient lubrication. Impurities generated during operation are placed at the bottom of the oil reservoir 12.

[0049] In addition to the above embodiments, this utility model also includes other implementation methods. All technical solutions formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of this utility model.

Claims

1. A rotary support lubricated with a lubricating oil for an AGV, characterized by: It includes support outer ring (1) and support inner ring (2), the support outer ring (1) and support inner ring (2) between the setting raceway (3), the raceway (3) in the setting steel ball (4), the support outer ring (1) and support inner ring (2) below setting oil ring (5), the support outer ring (1), support inner ring (2) and oil ring (5) between the oil storage area (12) is formed, the support inner ring (2) top setting oil filler (6), the oil filler (6) with raceway (3) is communicated, the oil storage area (12) bottom setting oil drain (7).

2. The rotary bearing lubricated with the lubricating oil for AGV according to claim 1, characterized in that: The support outer ring (1) and support inner ring (2) between the setting frame oil seal (8), the frame oil seal (8) is located above the raceway (3).

3. The rotary bearing lubricated with the lubricating oil for AGV according to claim 1, characterized in that: The support inner ring (2) and oil ring (5) are connected by screws (11).

4. The rotary bearing lubricated with the lubricating oil for AGV according to claim 1, characterized in that: The front of the oil ring (5) is provided with an oil groove, and the oil groove is located below the raceway (3).

5. The rotary bearing lubricated with the lubricating oil for AGV according to claim 1, characterized in that: The oil ring (5) and the support outer ring (1) are provided with X type ring (10).

6. The rotary bearing lubricated with the lubricating oil for the AGV according to claim 5, characterized in that: The oil ring (5) and the support inner ring (2) are provided with O type ring (9).

7. The rotary bearing lubricated with the lubricating oil for AGV according to claim 6, characterized in that: The O type ring (9) and X type ring (10) are respectively located in the inner and outer sides of the oil groove.

8. The rotary bearing lubricated with the lubricating oil for AGV according to claim 1, characterized in that: The oil filler (6) extends downward from the top of the support outer ring (1), and the oil filler (6) and the raceway (3) are communicated through the oil filler channel.

9. The rotary bearing lubricated with the lubricating oil for AGV according to claim 8, characterized in that: The oil mirror (13) is radially arranged on the inner wall of the support inner ring (2), and the oil mirror (13) is communicated with the raceway (3).

10. The rotary bearing lubricated with a lubricating oil for an AGV according to claim 9, characterized in that: The center lines of the oil filler channel and the oil mirror (13) are flush with the center line of the steel ball (4).