Electric push rod for port machinery

By adopting an electric push rod structure, the problem of inconvenient hydraulic cylinder pipeline connection in existing port machinery equipment has been solved, achieving convenient connection and effective lubrication, and improving the reliability and efficiency of port machinery equipment.

CN224218217UActive Publication Date: 2026-05-08WUXI AIERTE LINEAR MOTION MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUXI AIERTE LINEAR MOTION MASCH CO LTD
Filing Date
2025-03-14
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing port machinery equipment mostly uses hydraulic cylinders as propulsion devices, which makes pipeline connections inconvenient.

Method used

It adopts an electric push rod structure, including a mounting housing, planetary reducer, drive motor, rain cover, absolute encoder and grease nipple. The planetary reducer drives the screw to rotate, and it is protected by the rain cover and hinge structure. The grease nipple is provided for lubrication.

Benefits of technology

It enables convenient pipeline connections and effective lubrication maintenance, improving the reliability and efficiency of port machinery equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric push rod for port machinery, which comprises a mounting shell, two ends of the mounting shell are respectively and fixedly connected with a first mounting plate and a second mounting plate, the inside of the first mounting plate is fixedly connected with a first connecting seat, and the inside of the second mounting plate is fixedly connected with a second connecting seat. According to the utility model, after being decelerated by the planetary reducer, the driving motor drives the screw rod to rotate, so that the internal thread oil storage box can be driven to move along the sliding chute through the connecting shifting fork, and the planetary reducer, the driving motor and the absolute value encoder can be protected from rain by the first rain cover and the second rain cover; an arranged first rainproof cover is connected with a second mounting plate through a hinge and is fixed to a connecting frame through a locking bolt, so that the first rainproof cover can be turned over conveniently, and oil can be injected into a planetary reducer, an absolute value encoder and an internal thread oil storage box for lubrication through an arranged first oil injection nozzle, an arranged second oil injection nozzle and an arranged third oil injection nozzle.
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Description

Technical Field

[0001] This utility model relates to the technical field of electric push rods for port machinery, and more particularly to an electric push rod for port machinery. Background Technology

[0002] Port machinery refers to various mechanical equipment and related facilities within a port area, primarily used for loading and unloading containers and transporting cargo. Specifically, port machinery includes, but is not limited to, the following types:

[0003] 1. Terminal cranes: used for loading and unloading containers and bulk cargo, especially suitable for large container terminals and deep-water terminals, capable of handling overweight containers and oversized cargo.

[0004] 2. Bridge crane (also known as gantry crane): Suitable for small docks and shallow water areas for loading and unloading containers and light bulk cargo.

[0005] 3. Forklift: Used in container terminals for handling and stacking containers, which can significantly increase the storage density of containers.

[0006] 4. Trailers, forklifts, etc.: mainly used for the transportation and stacking of bulk cargo, providing flexible transportation and operation within docks and warehouses, and improving logistics efficiency.

[0007] In addition, port machinery also includes other types of port machinery, such as port loading and unloading machinery and port continuous conveying machinery. These machines together constitute the infrastructure of port operations and play a vital role in improving port cargo throughput, service quality and transportation efficiency.

[0008] Existing port machinery equipment mostly uses hydraulic cylinders as propulsion devices, which makes pipeline connections inconvenient. To overcome these disadvantages, this utility model provides an electric push rod for port machinery. Utility Model Content

[0009] The purpose of this utility model is to address the shortcomings of existing technologies by proposing an electric push rod for port machinery.

[0010] To achieve the above objectives, the present invention adopts the following technical solution: an electric push rod for port machinery, comprising a mounting housing, wherein a first mounting plate and a second mounting plate are fixedly connected to both ends of the mounting housing respectively, a first connecting seat is fixedly connected inside the first mounting plate, a second connecting seat is fixedly connected inside the second mounting plate, a first bearing is fixedly connected inside the first connecting seat, a second bearing is fixedly connected inside the second connecting seat, a screw is fixedly connected between the inner rings of the first bearing and the second bearing, an internally threaded oil reservoir is threadedly connected to the outer side of the screw, a connecting fork is fixedly connected to the outer side of the internally threaded oil reservoir, and a sliding groove is provided at the bottom end of the mounting housing, and the connecting fork is slidably connected to the sliding groove.

[0011] Furthermore, a planetary reducer is bolted to the outer side of the second mounting plate, and a drive motor is bolted to the outer side of the planetary reducer. A first terminal block is fixedly connected to the drive motor.

[0012] Furthermore, the output end of the planetary reducer is fixedly connected to one end of the screw, and the output end of the drive motor is fixedly connected to the input end of the planetary reducer.

[0013] Furthermore, a hinge is bolted to the upper end of the second mounting plate, and a first rain cover is bolted to the hinge. A handle is fixedly connected to the first rain cover.

[0014] Furthermore, the planetary reducer is fixedly connected to both sides of its upper end with connecting frames, and the connecting frames are secured to the first rain cover with locking bolts.

[0015] Furthermore, an absolute encoder is fixedly connected to the outside of the first mounting plate, the absolute encoder is provided with a second terminal block, and a second rain cover is fixedly connected to the upper end of the absolute encoder.

[0016] Furthermore, the planetary reducer is provided with a first oil inlet and a first oil outlet, the absolute encoder is provided with a second oil outlet and a second oil inlet, and the connecting fork is provided with a third oil inlet.

[0017] The beneficial effects of this utility model are:

[0018] In use, the port machinery uses an electric push rod. The drive motor, after being reduced in speed by a planetary reducer, drives the screw to rotate, thereby moving the internal thread oil reservoir along the slide groove via a connecting fork. The first and second rainproof covers can protect the planetary reducer, drive motor, and absolute encoder from rain. The first rainproof cover is connected to the second mounting plate via a hinge and fixed to the connecting frame with locking bolts, making it easy to flip the first rainproof cover. The first, second, and third oil injection nozzles can respectively inject oil into the planetary reducer, absolute encoder, and internal thread oil reservoir for lubrication. Attached Figure Description

[0019] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 : Front view of this utility model;

[0021] Figure 2 : Bottom view of this utility model;

[0022] Figure 3 Rear view of this utility model;

[0023] Figure 4 : Schematic diagram of the screw mounting structure of this utility model;

[0024] Figure 5 : A cross-sectional view of this utility model.

[0025] The attached figures are labeled as follows:

[0026] 1. Mounting housing; 2. First mounting plate; 3. Second mounting plate; 4. Planetary reducer; 5. Drive motor; 6. First rain cover; 7. Locking bolt; 8. Handle; 9. Second rain cover; 10. Slide groove; 11. Connecting fork; 12. First grease nipple; 13. First grease drain nipple; 14. Second grease drain nipple; 15. Second grease nipple; 16. Absolute encoder; 17. Second terminal block; 18. First connecting seat; 19. Second connecting seat; 20. Screw; 21. Internal threaded oil reservoir; 22. Third grease nipple; 23. First terminal block; 24. Connecting frame; 25. Hinge; 26. First bearing; 27. Second bearing. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figure 1-5 As shown, an electric push rod for port machinery is disclosed, comprising a mounting housing 1. A first mounting plate 2 and a second mounting plate 3 are fixedly connected to both ends of the mounting housing 1, respectively. A first connecting seat 18 is fixedly connected inside the first mounting plate 2, and a second connecting seat 19 is fixedly connected inside the second mounting plate 3. A first bearing 26 is fixedly connected inside the first connecting seat 18, and a second bearing 27 is fixedly connected inside the second connecting seat 19. A screw 20 is fixedly connected between the inner rings of the first bearing 26 and the second bearing 27. An internally threaded oil reservoir 21 is threadedly connected to the outside of the screw 20. A connecting fork 11 is fixedly connected to the outside of the internally threaded oil reservoir 21. A sliding groove 10 is provided at the bottom end of the mounting housing 1, and the connecting fork 11 is slidably connected to the sliding groove 10.

[0029] As shown in the figure, a planetary reducer 4 is bolted to the outside of the second mounting plate 3, and a drive motor 5 is bolted to the outside of the planetary reducer 4. A first terminal 23 is fixedly connected to the drive motor 5, and the first terminal 23 can be connected to an external power source to supply power to the drive motor 5.

[0030] As shown in the figure, the output end of the planetary reducer 4 is fixedly connected to one end of the screw 20, and the output end of the drive motor 5 is fixedly connected to the input end of the planetary reducer 4. After the planetary reducer 4 speeds up, the drive motor 5 drives the screw 20.

[0031] As shown in the figure, a hinge 25 is bolted to the upper end of the second mounting plate 3, and a first rain cover 6 is bolted to the hinge 25. A handle 8 is fixedly connected to the first rain cover 6. Connecting frames 24 are fixedly connected to both sides of the upper end of the planetary reducer 4. Locking bolts 7 are provided between the connecting frames 24 and the first rain cover 6. The first rain cover 6 is connected to the second mounting plate 3 through the hinge 25 and the connecting frames 24 through the locking bolts 7, which facilitates the flipping of the first rain cover 6.

[0032] As shown in the figure, an absolute encoder 16 is fixedly connected to the outside of the first mounting plate 2. A second terminal block 17 is provided on the absolute encoder 16. A second rain cover 9 is fixedly connected to the upper end of the absolute encoder 16 to protect the absolute encoder 16 from rain.

[0033] As shown in the figure, the planetary reducer 4 is equipped with a first oil inlet 12 and a first oil outlet 13, the absolute encoder 16 is equipped with a second oil outlet 14 and a second oil inlet 15, and the connecting fork 11 is equipped with a third oil inlet 22. The first oil inlet 12, the second oil inlet 13 and the third oil inlet 22 are used to inject oil into the threaded oil reservoir of the planetary reducer 4 and the absolute encoder 16 for lubrication.

[0034] Working principle: During use, the drive motor 5 is reduced in speed by the planetary reducer 4, which drives the screw 20, thereby driving the internal thread oil reservoir 21 to connect to the fork 11 and slide groove 10. The first rain cover 6 and the second rain cover 9 are provided to protect the planetary reducer 4, drive motor 5 and absolute encoder 16 from rain. The first rain cover 6 is connected to the mounting plate 3 by the hinge 25 and the bracket 24 by the locking bolt 7, which facilitates the flipping of the first rain cover 6. The first oil injection nozzle 12, the second oil injection nozzle and the third oil injection nozzle 22 are provided to inject oil into the thread oil reservoir of the planetary reducer 4 and the absolute encoder 16 for lubrication.

[0035] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An electric push rod for port machinery, comprising a mounting housing (1), characterized in that: The mounting housing (1) has a first mounting plate (2) and a second mounting plate (3) fixedly connected to its two ends respectively. A first connecting seat (18) is fixedly connected inside the first mounting plate (2), and a second connecting seat (19) is fixedly connected inside the second mounting plate (3). A first bearing (26) is fixedly connected inside the first connecting seat (18), and a second bearing (27) is fixedly connected inside the second connecting seat (19). A screw (20) is fixedly connected between the inner rings of the first bearing (26) and the second bearing (27). An internally threaded oil reservoir (21) is threaded onto the outer side of the screw (20), and a connecting fork (11) is fixedly connected to the outer side of the internally threaded oil reservoir (21). The mounting housing (1) has a sliding groove (10) at the bottom end. The connecting fork (11) is slidably connected to the sliding groove (10). The second mounting plate (3) is bolted to the outside of a planetary reducer (4). The planetary reducer (4) is bolted to the outside of a drive motor (5). The drive motor (5) is fixedly connected to a first terminal (23). The first mounting plate (2) is fixedly connected to an absolute encoder (16). The absolute encoder (16) is provided with a second terminal (17). The upper end of the absolute encoder (16) is fixedly connected to a second rain cover (9). The planetary reducer (4) is provided with a first oil inlet (12) and a first oil outlet (13).

2. The electric push rod for port machinery according to claim 1, characterized in that: The output end of the planetary reducer (4) is fixedly connected to one end of the screw (20), and the output end of the drive motor (5) is fixedly connected to the input end of the planetary reducer (4).

3. The electric push rod for port machinery according to claim 2, characterized in that: The upper end of the second mounting plate (3) is bolted with a hinge (25), and a first rain cover (6) is bolted to the hinge (25). A handle (8) is fixedly connected to the first rain cover (6).

4. The electric push rod for port machinery according to claim 1, characterized in that: The planetary reducer (4) is fixedly connected to both sides of the upper end with a connecting frame (24), and the connecting frame (24) and the first rain cover (6) are provided with locking bolts (7).

5. The electric push rod for port machinery according to claim 1, characterized in that: The absolute encoder (16) is provided with a second oil nozzle (14) and a second oil nozzle (15), and the connecting fork (11) is provided with a third oil nozzle (22).