Integrated planetary gear structure for tower crane

By designing the integrated planetary gear structure for tower cranes, the problems of poor stability and inconvenient cleaning of traditional planetary gears are solved, higher stability and service life are achieved, and transmission efficiency and safety are improved.

CN223076181UActive Publication Date: 2025-07-08YANCHENG MINGLIANG MASCH CO LTD
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Patent Information

Application Number
CN202421901831.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-07-08
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

传统行星齿轮在重型机械中稳定性差,且清理不便,存在安全隐患,机油清理困难,影响使用周期。

Method used

An integrated planetary gear structure for tower cranes is designed, including pallets, sealing rings, sliding bearings, oil storage tanks, rotating gears and planetary gears. The sealing rings prevent engine oil leakage, the sliding bearings reduce wear, and the oil storage tanks are automatically filled with engine oil, and the outer cover improves heat dissipation and enhances transmission stability.

Benefits of technology

It improves the stability and service life of planetary gears, facilitates engine oil cleaning, reduces wear risks, and enhances transmission efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223076181U_ABST
    Figure CN223076181U_ABST
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Abstract

The utility model discloses an integrated planetary gear structure for a tower crane, which comprises a first rotating rod, a groove arranged on one side of the first rotating rod, a tray arranged on the periphery of the first rotating rod, a sealing ring arranged at the lower end of the tray, a connecting disc arranged at the upper end of the tray, and a sliding bearing arranged inside the connecting disc. A second rotating rod is arranged in the sliding bearing, an oil inlet groove is formed in one end of the second rotating rod, a threaded rod is arranged at the lower end of the oil inlet groove, an oil storage tank is arranged at the upper end of the connecting disc, a fixed lantern ring is arranged around the oil storage tank, and a pipeline is arranged in the fixed lantern ring; a rotating gear is arranged at the upper end of the second rotating rod; an outer cover is arranged on the periphery of the inner gear, a planetary gear is arranged on the inner side of the rotating gear, and a third connecting rod is arranged at the upper end of the planetary gear.
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Description

Technical Field

[0001] The utility model relates to the field of gear structure devices, in particular to an integrated planetary gear structure for tower cranes. Background Technique

[0002] Planetary gears are basic components of various mechanical systems and play a key role in the functions of engineering vehicles. Their importance stems from their ability to effectively transmit torque while managing high-power loads. In the field of heavy machinery, power and durability are crucial.

[0003] Traditional planetary gears do not comprehensively protect internal parts, have poor gear stability, increase potential safety hazards of the equipment in use, reduce the service life of the gears, and it is inconvenient to clean the engine oil for old equipment, often making it difficult to clean the equipment.

[0004] In view of this, in order to research and improve the existing problems, an integrated planetary gear structure for tower cranes is provided. The structure is reasonably designed, has high stability, and takes into account various applications. It aims to solve problems and improve practical value through this technology. Content of the Utility Model

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose an integrated planetary gear structure for tower cranes.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: an integrated planetary gear structure for tower cranes. This device includes a first rotating rod, a groove is opened on one side of the first rotating rod, a tray is arranged around the first rotating rod, a sealing ring is arranged at the lower end of the tray, a connecting plate is arranged at the upper end of the tray, a sliding bearing is arranged inside the connecting plate, a second rotating rod is arranged inside the sliding bearing, an oil inlet groove is opened at one end of the second rotating rod, a threaded rod is arranged at the lower end of the oil inlet groove, an oil storage tank is arranged at the upper end of the connecting plate, a fixed collar is arranged around the oil storage tank, a pipeline is arranged inside the fixed collar, a rotating gear is arranged at the upper end of the second rotating rod, an internal gear is arranged outside the rotating gear, an outer cover is arranged around the internal gear, a planetary gear is arranged inside the rotating gear, and a third connecting rod is arranged at the upper end of the planetary gear. The utility model realizes an integrated planetary gear structure for tower cranes through the use of the outer cover and the bearing.

[0007] As a further description of the above technical solution:

[0008] The tray is fixedly connected around the first rotating rod, the sealing ring is movably connected to the lower end of the tray, the inner diameter of the tray is consistent with the outer diameter of the sealing ring, the inner diameter of the sealing ring is consistent with the outer diameter of the first rotating rod, and the connecting plate is fixedly connected to one end of the first rotating rod.

[0009] As a further description of the above technical solution:

[0010] The sliding bearing is movably connected inside the connecting disk, and the number thereof is three groups. The second rotating rod is movably connected inside the sliding bearing and is in conformity with the inner diameter of the sliding bearing. One end of the oil inlet groove is higher than the fixed collar.

[0011] As a further description of the above technical solution:

[0012] The threaded rod is fixedly connected to the lower end of the second rotating rod, and the number thereof is three groups. The oil storage tank is fixedly connected to the upper end of the connecting disk. The fixed collar is fixedly connected to the periphery of the oil storage tank. The pipeline is fixedly connected inside the fixed collar, and one end of the pipeline communicates with the inside of the oil storage tank.

[0013] As a further description of the above technical solution:

[0014] The rotating gear is fixedly connected to one end of the second rotating rod, and the number thereof is three groups. The rotating gear is rotationally connected to the connecting disk through the first rotating rod, and the connecting disk drives the second rotating rod to control its rotation. The internal gear is fixedly connected to the periphery of the rotating gear and is matched with the movement path of the rotating gear.

[0015] As a further description of the above technical solution:

[0016] The outer cover is fixedly connected to the periphery of the internal gear, is fixedly connected to the internal gear, and the lower end is hollowed out. The planetary gear is movably connected inside the rotating gear and is located at the center of the internal gear. The third rotating rod is fixedly connected to the upper end of the planetary gear.

[0017] The utility model has the following beneficial effects: The groove strengthens the connection stability with other devices. The tray collects the engine oil, which is convenient for cleaning. The sealing ring prevents the engine oil from leaking down and damaging the lower devices. The connecting disk facilitates better power transmission. The sliding bearing strengthens the rotation stability of the second rotating rod, reduces the wear caused by direct contact, and extends the service life. The oil inlet groove automatically fills the engine oil by rotation, improving the convenience of use. The fixed collar further improves the rotation stability of the second rotating rod and reduces the wear of the rotating gear. The hollowed-out lower end of the outer cover improves the heat conduction effect and avoids the deformation of the gear caused by overheating. The planetary gear is driven by three groups of rotating gears, further improving its transmission effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall external view of a clamping device for processing a photovoltaic panel driver proposed by the utility model;

[0019] Figure 2 It is a bottom view of a clamping device for processing a photovoltaic panel driver proposed by the utility model;

[0020] Figure 3 Internal view of a clamping device for processing a photovoltaic panel driver proposed by the present utility model;

[0021] Figure 4 Internal side view of a clamping device for processing a photovoltaic panel driver proposed by the present utility model;

[0022] Figure 5 Sectional view of a clamping device for processing a photovoltaic panel driver proposed by the present utility model;

[0023] Figure 6 Sectional view of a clamping device for processing a photovoltaic panel driver proposed by the present utility model.

[0024] Legend:

[0025] 1. First rotating rod; 2. Groove; 3. Tray; 4. Sealing ring; 5. Connecting disc; 6. Sliding bearing; 7. Second rotating rod; 8. Oil inlet groove; 9. Threaded rod; 10. Oil storage tank; 11. Fixed collar; 12. Pipe; 13. Rotating gear; 14. Internal gear; 15. Outer cover; 16. Planetary gear; 17. Third rotating rod. Specific implementation mode

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model; the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In addition, unless otherwise clearly defined and limited, the terms "installation", "connection", "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 directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood in specific situations.

[0028] Reference Figure 1-6 Referring to Figure 1-6 , an embodiment provided by the present utility model is: an integrated planetary gear structure for a tower crane, including a first rotating rod 1. A groove 2 is provided on one side of the first rotating rod 1. A tray 3 is arranged around the first rotating rod 1. A sealing ring 4 is arranged at the lower end of the tray 3. A connecting disk 5 is arranged at the upper end of the tray 3. A sliding bearing 6 is arranged inside the connecting disk 5. A second rotating rod 7 is arranged inside the sliding bearing 6. An oil inlet groove 8 is provided at one end of the second rotating rod 7. A threaded rod 9 is arranged at the lower end of the oil inlet groove 8. An oil storage tank 10 is arranged at the upper end of the connecting disk 5. A fixed collar 11 is arranged around the oil storage tank 10. A pipeline 12 is arranged inside the fixed collar 11. A rotating gear 13 is arranged at the upper end of the second rotating rod 7. An internal gear 14 is arranged outside the rotating gear 13. An outer cover 15 is arranged around the internal gear 14. A planetary gear 16 is arranged inside the rotating gear 13. A third connecting rod 17 is arranged at the upper end of the planetary gear 16.

[0029] Specifically, the tray 3 is fixedly connected around the first rotating rod 1 to collect the oil dropped inside. The sealing ring 4 is movably connected to the lower end of the tray 3. The inner diameter of the tray 3 is in line with the outer diameter of the sealing ring 4, and the inner diameter of the sealing ring 4 is in line with the outer diameter of the first rotating rod 1, increasing its sealing performance and also preventing the oil from flowing downward. The connecting disk 5 is fixedly connected to one end of the first rotating rod 1 to facilitate the transmission of power.

[0030] Specifically, the sliding bearing 6 is movably connected inside the connecting disk 5, and the number of them is three groups, avoiding direct contact and causing wear over a long time. The second rotating rod 7 is movably connected inside the sliding bearing 6, and it is in line with the inner diameter of the sliding bearing 6, strengthening the stability of the second rotating rod 7 during rotation. One end of the oil inlet groove 8 is higher than the fixed collar 11 to facilitate the discharge of air inside the oil.

[0031] Specifically, the threaded rod 9 is fixedly connected to the lower end of the second rotating rod 7, and the number of them is three groups, facilitating its fixation and strengthening its stability. The oil storage tank 10 is fixedly connected to the upper end of the connecting disk 5. The fixed collar 11 is fixedly connected around the oil storage tank 10. The pipeline 12 is fixedly connected inside the fixed collar 11, and one end of the pipeline 12 communicates with the inside of the oil storage tank 10 to transmit the oil and make it automatically filled.

[0032] Specifically, the rotating gear 13 is fixedly connected to one end of the second rotating rod 7, and the number of them is three groups. The rotating gear 13 is rotationally connected to the connecting disk 5 through the first rotating rod 1, and the connecting disk 5 drives the second rotating rod 7 to control its rotation. The internal gear 14 is fixedly connected around the rotating gear 13, and it matches the movement path of the rotating gear 13, making the rotation of the rotating gear 13 more stable.

[0033] Specifically, the outer cover 15 is fixedly connected to the periphery of the internal gear 14, which is convenient for protecting the internal parts. It is fixedly connected to the internal gear 14 and has a hollow lower end. While having good heat dissipation, it is convenient for the excess engine oil to leak down. The planetary gear 16 is movably connected inside the rotating gear 13, and it is located at the center of the internal gear 14. The third rotating rod 17 is fixedly connected to the upper end of the planetary gear 16. The third rotating rod 17 drives the planetary gear 16 to rotate through the rotating gear 13, thereby driving the upper end to rotate.

[0034] Working principle and process: The first rotating rod 1 is connected through the rotating connecting plate 5, and the connecting plate 5 drives the second rotating rod 7 to rotate. When the second rotating rod 7 rotates, the oil storage tank 10 transports the engine oil through the pipeline 12, and fills the sliding bearing 6 with the engine oil by rotating through the oil inlet groove 8. The rotation of the second rotating rod 7 drives the upper rotating gear 13 to rotate, the rotating gear 13 drives its planetary gear 16 to rotate, and the planetary gear 16 drives the third rotating rod 17 to rotate, transmitting the power.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An integrated planetary gear structure for a tower crane, comprising a first rotating rod (1), characterized in that: A groove (2) is provided on one side of the first rotating rod (1). A tray (3) is arranged around the first rotating rod (1). A sealing ring (4) is arranged at the lower end of the tray (3). A connecting disc (5) is arranged at the upper end of the tray (3). A sliding bearing (6) is arranged inside the connecting disc (5). A second rotating rod (7) is arranged inside the sliding bearing (6). An oil inlet groove (8) is provided at one end of the second rotating rod (7). A threaded rod (9) is arranged at the lower end of the oil inlet groove (8). An oil storage tank (10) is arranged at the upper end of the connecting disc (5). A fixed collar (11) is arranged around the oil storage tank (10). A pipeline (12) is arranged inside the fixed collar (11). A rotating gear (13) is arranged at the upper end of the second rotating rod (7). An internal gear (14) is arranged outside the rotating gear (13). An outer cover (15) is arranged around the internal gear (14). A planetary gear (16) is arranged inside the rotating gear (13). A third rotating rod (17) is arranged at the upper end of the planetary gear (16).

2. The integrated planetary gear structure for tower crane according to claim 1, characterized in that: The tray (3) is fixedly connected around the first rotating rod (1). The sealing ring (4) is movably connected to the lower end of the tray (3). The inner diameter of the tray (3) is in line with the outer diameter of the sealing ring (4), and the inner diameter of the sealing ring (4) is in line with the outer diameter of the first rotating rod (1). The connecting disc (5) is fixedly connected to one end of the first rotating rod (1).

3. The integrated planetary gear structure for tower crane according to claim 1, characterized in that: The sliding bearing (6) is movably connected inside the connecting disc (5), and the number of them is three groups. The second rotating rod (7) is movably connected inside the sliding bearing (6), and it is in line with the inner diameter of the sliding bearing (6). One end of the oil inlet groove (8) is higher than the fixed collar (11).

4. An integrated planetary gear structure for a tower crane according to claim 1, characterized in that: The threaded rod (9) is fixedly connected to the lower end of the second rotating rod (7), and the number of them is three groups. The oil storage tank (10) is fixedly connected to the upper end of the connecting disc (5). The fixed collar (11) is fixedly connected around the oil storage tank (10). The pipeline (12) is fixedly connected inside the fixed collar (11), and one end of the pipeline (12) is communicated with the inside of the oil storage tank (10).

5. The one-piece planetary gear structure for tower crane according to claim 1, characterized in that: The rotating gear (13) is fixedly connected to one end of the second rotating rod (7), and the number of them is three groups. The rotating gear (13) is rotationally connected to the connecting disc (5) through the first rotating rod (1), and the connecting disc (5) drives the second rotating rod (7) to control its rotation. The internal gear (14) is fixedly connected around the rotating gear (13), and it matches the movement path of the rotating gear (13).

6. The integrated planetary gear structure for tower crane according to claim 1, wherein: The outer cover (15) is fixedly connected around the internal gear (14), and it is fixedly connected to the internal gear (14), and the lower end is hollow. The planetary gear (16) is movably connected inside the rotating gear (13), and it is located at the center of the internal gear (14). The third rotating rod (17) is fixedly connected to the upper end of the planetary gear (16).