Portal crane track structure of shipyard

The shipyard door machine rail structure addresses instability issues by integrating support frames, transmission wheels, and actuators for enhanced stability and adjustment, ensuring reliable operation under varying conditions.

CN222665218UActive Publication Date: 2025-03-25NANTONG CHONGCHUAN TIANYUAN ENG TECH EQUIP FACTORY
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Patent Information

Application Number
CN202420528107.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-19
Publication Date
2025-03-25
Estimated Expiration
2034-03-19

AI Technical Summary

Technical Problem

Traditional shipyard door machine rail structures lack convenient and stable support mechanisms for easy rotation, adjustment, and limiting support, leading to instability during operation.

Method used

The proposed shipyard door machine rail structure includes a bottom base with integrated support frames, transmission wheels, and hydraulic and electric actuators that enable stable and adjustable support through a combination of sliding connections, liquid pressure, and screw mechanisms for enhanced stability and positioning.

Benefits of technology

This design provides stable and adjustable support for the door machine, improving its operational stability and allowing for precise positioning, especially in windy conditions and during stationary operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a shipyard portal crane track structure which comprises a base and supporting frames, two supporting frames are installed at the bottom end of the base, two integrated frames are installed at the bottom ends of the supporting frames, transmission wheels are movably installed in the integrated frames, driven wheels are movably installed in the integrated frames on one sides of the transmission wheels, and the driven wheels are movably installed in the integrated frames on the other sides of the transmission wheels. Two sets of track bodies are arranged below the base, the track bodies are in sliding connection with transmission wheels, the track bodies are in sliding connection with driven wheels, a driving motor is installed on the portion, on one side of the transmission wheels, of the side wall of the integrated frame, the output end of the driving motor is connected with the transmission wheels, and supporting blocks are installed on the side walls of the supporting frames. According to the utility model, convenient linkage rotation stable support and convenient dual stable support are realized, distance adjustment stable support and limit support of the portal crane during working are facilitated, and the stability during use is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of track structures, in particular to a shipyard gantry crane track structure. Background Art

[0002] The shipyard gantry crane is a portal crane, which mostly runs along the crane track on the ground or on the building to perform lifting and loading and unloading operations. Traditional gantry cranes have no protective measures when working on the track. In order to improve this situation, a shipyard gantry crane track structure is proposed.

[0003] For example, an anti-stuck running structure of a shipyard gantry crane track disclosed in the authorization announcement number CN216190449U includes a slide rail, a limit protrusion is fixedly connected to the bottom side of the slide rail, a driving gear is arranged in the slide rail, two driving gears are arranged, and one side of the two driving gears is fixedly connected to a fixing seat;

[0004] Although it realizes that the limiting protrusions, driving gears and conveyor belts on the slide rails can be greased separately through the cooperation of the first oil tank and the second oil tank, and the friction plate is evenly applied at the same time, the friction between the hoist and the limiting protrusion can be reduced during the movement of the hoist, and the friction between the driving gear and the conveyor belt can also be reduced; at the same time, the driving gear and the conveyor belt are cleaned by the scraper and the rubber block, and heated by the heating block, which can reduce the dust attached to the conveyor belt and the driving gear, and the scraper can scrape and clean the oil stains on the limiting protrusions through the cooperation of the blade-shaped protrusions, reducing the influence of the oil stains on the track clamping;

[0005] However, the problem that the existing track structure is not conducive to convenient linked rotation stable support and convenient double stable support during use, is not conducive to distance adjustment stable support and limited support for the door machine during operation, affecting the stability during use. Utility Model Content

[0006] The purpose of the utility model is to provide a shipyard gantry crane track structure to solve the problem that the track structure proposed in the above background technology is not convenient for convenient linked rotation stable support and convenient double stable support, is not conducive to distance adjustment stable support and limited support for the gantry crane when working, which affects the stability during use.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shipyard gantry crane track structure, comprising a base and a support frame, two groups of support frames are installed at the bottom end of the base, two groups of integrated frames are installed at the bottom end of the support frame, and driving wheels are movably installed inside the integrated frames, and driven wheels are movably installed inside the integrated frames on one side of the driving wheel. Two groups of track bodies are arranged below the base, and the track bodies are slidably connected with the driving wheels, and the track bodies are slidably connected with the driven wheels. A driving motor is installed on the side wall of the integrated frame on one side of the driving wheel, and the output end of the driving motor is connected to the driving wheel. Support blocks are installed on the side walls of the support frame, and a rotating arm is installed at one end of the support block away from the support frame, and a movable shaft is installed at one end of the rotating arm close to the support block, and the rotating arm is movably connected to the support block through the movable shaft, and a hydraulic cylinder is movably installed inside the support block on one side of the rotating arm, and a hydraulic push rod is installed at the output end of the hydraulic cylinder, and a hinge shaft is installed at one end of the hydraulic push rod away from the hydraulic cylinder, and the hydraulic push rod is movably connected to the rotating arm through the hinge shaft.

[0008] Preferably, an electric push rod is installed inside the rotating arm, and a push arm is installed at the output end of the electric push rod.

[0009] Preferably, a telescopic arm is provided outside the rotating arm, and the telescopic arm is connected to the pushing arm.

[0010] Preferably, a contact block is installed at one end of the telescopic arm away from the rotating arm, a linkage shaft is installed at the top of the contact block, and the contact block is movably connected to the telescopic arm through the linkage shaft.

[0011] Preferably, a support arm is installed on the side wall of the integrated frame on one side of the drive motor, and the support arm is fixedly connected to the integrated frame.

[0012] Preferably, a support sleeve is installed at one end of the support arm, and the support sleeve is fixedly connected to the support arm.

[0013] Preferably, a hollow sleeve is slidably mounted inside the supporting sleeve, and a pressing block is mounted at the bottom end of the hollow sleeve.

[0014] Preferably, a threaded rod is movably installed inside the hollow sleeve, a threaded sleeve is installed at the top of the hollow sleeve, and the threaded rod is threadedly connected to the threaded sleeve, and a handle is installed at the top of the threaded rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the track structure not only realizes convenient linkage rotation stable support and convenient double stable support, facilitates distance adjustment stable support and position limiting support for the door machine during operation, but also improves stability during use;

[0016] (1) The gantry crane is driven to move by driving the driving motor to rotate the transmission wheel, the transmission wheel drives the integrated frame to move, and the integrated frame drives the support frame and the base to move. When it is necessary to resist strong winds at sea, the hydraulic cylinder drives the hydraulic push rod to move, and the hydraulic push rod drives the rotating arm to rotate with the movable axis as the axis through the hinged shaft, and the rotating arm drives the contact block to rotate with the linkage axis as the axis, so that the contact block contacts the ground to provide a stable support for the gantry crane. When the distance between the contact block and the ground is not enough, the electric push rod drives the push arm to move, and the push arm drives the telescopic arm to move, and the telescopic arm drives the contact block to move, so that the contact block contacts the ground, thereby realizing convenient linkage rotation stable support, facilitating distance adjustment stable support, and improving stability during use;

[0017] (2) When the gantry crane is in stationary operation, in order to prevent it from shifting, the handle is turned to drive the threaded rod to rotate, the threaded rod drives the threaded sleeve to move, the threaded sleeve drives the hollow sleeve to move downward, and the hollow sleeve drives the lower pressure block to move downward, so that the lower pressure block contacts the ground. Under the linkage cooperation of multiple groups of lower pressure blocks, the lower pressure block provides stable support for the gantry crane, realizing convenient double stable support and facilitating the limited support of the gantry crane when it is working. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the support frame of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the rotating arm of the utility model;

[0021] Figure 4 It is a schematic diagram of the side cross-sectional structure of the support sleeve of the utility model;

[0022] Figure 5 It is a schematic diagram of the side cross-sectional structure of the rotating arm of the utility model.

[0023] In the figure: 1. base; 2. support frame; 3. track body; 4. integrated frame; 5. transmission wheel; 6. driving motor; 7. driven wheel; 8. support block; 9. support arm; 10. movable shaft; 11. hydraulic cylinder; 12. rotating arm; 13. hydraulic push rod; 14. articulated shaft; 15. linkage shaft; 16. contact block; 17. handle; 18. threaded sleeve; 19. threaded rod; 20. hollow sleeve; 21. lower pressure block; 22. support sleeve; 23. telescopic arm; 24. electric push rod; 25. push arm. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 The utility model provides an embodiment: a shipyard gantry crane track structure, including a base 1 and a support frame 2, two groups of support frames 2 are installed at the bottom end of the base 1, two groups of integrated frames 4 are installed at the bottom ends of the support frames 2, and driving wheels 5 are movably installed inside the integrated frames 4 on one side of the driving wheel 5. A driven wheel 7 is movably installed inside the integrated frames 4, two groups of track bodies 3 are arranged below the base 1, and the track bodies 3 are slidably connected with the driving wheels 5, and the track bodies 3 are slidably connected with the driven wheels 7, and a driving motor 6 is installed on the side wall of the integrated frame 4 on one side of the driving wheel 5. The driving motor 6 plays a role of power drive, and the driving motor 6 The output end is connected to the transmission wheel 5, and the side walls of the support frame 2 are all equipped with support blocks 8, and the end of the support block 8 away from the support frame 2 is equipped with a rotating arm 12, and the end of the rotating arm 12 close to the support block 8 is equipped with a movable shaft 10, and the rotating arm 12 is movably connected to the support block 8 through the movable shaft 10, and the support block 8 on one side of the rotating arm 12 is movably equipped with a hydraulic cylinder 11, and the hydraulic cylinder 11 plays a role of power drive, and the output end of the hydraulic cylinder 11 is equipped with a hydraulic push rod 13, and the end of the hydraulic push rod 13 away from the hydraulic cylinder 11 is equipped with a hinge shaft 14, and the hydraulic push rod 13 is movably connected to the rotating arm 12 through the hinge shaft 14;

[0026] First, the structure is connected to an external controller and an external circuit, and the gantry crane is installed on the base 1. The drive motor 6 is opened by external control, and the drive motor 6 drives the transmission wheel 5 to rotate. With the assistance of the driven wheel 7, the transmission wheel 5 drives the integrated frame 4 to move, and the integrated frame 4 drives the support frame 2 and the base 1 to move, so as to drive the gantry crane to move. When it is necessary to resist strong winds at sea, the hydraulic cylinder 11 is opened by external control, and the hydraulic cylinder 11 drives the hydraulic push rod 13 to move. Under the support of the support block 8, the hydraulic push rod 13 drives the rotating arm 12 through the hinge shaft 14 to move. The movable shaft 10 is the axis of rotation, and the rotating arm 12 drives the contact block 16 to rotate with the linkage shaft 15 as the axis, so that the contact block 16 contacts the ground, so as to provide a stable support for the door machine. When the distance between the contact block 16 and the ground is not enough, the electric push rod 24 is opened by external control, and the electric push rod 24 drives the push arm 25 to move, and the push arm 25 drives the telescopic arm 23 to move, and the telescopic arm 23 drives the contact block 16 to move, so that the contact block 16 contacts the ground, realizing convenient linkage rotation stable support, facilitating the distance adjustment stable support, and improving the stability during use;

[0027] The inside of the rotating arm 12 is equipped with an electric push rod 24, which plays a role of power drive. The output end of the electric push rod 24 is equipped with a push arm 25. The outside of the rotating arm 12 is equipped with a telescopic arm 23, and the telescopic arm 23 is connected to the push arm 25.

[0028] The end of the telescopic arm 23 away from the rotating arm 12 is equipped with a contact block 16, the top of the contact block 16 is equipped with a linkage shaft 15, and the contact block 16 is movably connected to the telescopic arm 23 through the linkage shaft 15, and the side wall of the integrated frame 4 on the side of the driving motor 6 is equipped with a support arm 9, and the support arm 9 is fixedly connected to the integrated frame 4, and one end of the support arm 9 is equipped with a support sleeve 22, and the support sleeve 22 is fixedly connected to the support arm 9, and the inside of the support sleeve 22 is slidably equipped with a hollow sleeve 20, and the bottom of the hollow sleeve 20 is equipped with a downward pressing block 21;

[0029] A threaded rod 19 is movably installed inside the hollow sleeve 20, a threaded sleeve 18 is installed at the top of the hollow sleeve 20, and the threaded rod 19 is threadedly connected to the threaded sleeve 18, and a handle 17 is installed at the top of the threaded rod 19;

[0030] When the door machine is in stationary operation, in order to prevent it from shifting, the handle 17 is rotated to drive the threaded rod 19 to rotate. Under the threaded connection between the threaded rod 19 and the threaded sleeve 18, the threaded rod 19 drives the threaded sleeve 18 to move, and the threaded sleeve 18 drives the hollow sleeve 20 to move downward, and the hollow sleeve 20 drives the lower pressure block 21 to move downward, so that the lower pressure block 21 contacts the ground. Under the linkage cooperation of multiple groups of lower pressure blocks 21, the lower pressure block 21 provides stable support for the door machine, realizing convenient double stable support and facilitating the limited support of the door machine when it is working.

[0031] Working principle: First, the driving motor 6 drives the transmission wheel 5 to rotate, and the transmission wheel 5 drives the integrated frame 4 to move, and the integrated frame 4 drives the support frame 2 and the base 1 to move, so as to drive the gantry crane to move. When it is necessary to resist strong winds at sea, the hydraulic cylinder 11 drives the hydraulic push rod 13 to move, and the hydraulic push rod 13 drives the rotating arm 12 to rotate around the movable shaft 10 through the hinge shaft 14, and the rotating arm 12 drives the contact block 16 to rotate around the linkage shaft 15, so that the contact block 16 contacts the ground to provide a stable support for the gantry crane. When the distance between the contact block 16 and the ground is not enough, the electric push rod 24 drives the push rod 13 to move. The arm 25 moves, and the push arm 25 drives the telescopic arm 23 to move, and the telescopic arm 23 drives the contact block 16 to move, so that the contact block 16 contacts the ground. When the gantry crane is in stationary operation, in order to prevent it from shifting, the handle 17 drives the threaded rod 19 to rotate, and the threaded rod 19 drives the threaded sleeve 18 to move, and the threaded sleeve 18 drives the hollow sleeve 20 to move downward, and the hollow sleeve 20 drives the lower pressure block 21 to move downward, so that the lower pressure block 21 contacts the ground. Under the linkage cooperation of multiple groups of lower pressure blocks 21, the lower pressure block 21 provides stable support for the gantry crane to complete the use of the shipyard gantry crane track structure.

Claims

1. A shipyard gantry crane track structure, comprising a base (1) and a support frame (2), characterized in that: Two groups of support frames (2) are installed at the bottom end of the base (1), and two groups of integrated frames (4) are installed at the bottom end of the support frames (2). Transmission wheels (5) are movably installed inside the integrated frames (4), and driven wheels (7) are movably installed inside the integrated frames (4) on one side of the transmission wheels (5). Two groups of track bodies (3) are arranged below the base (1), and the track bodies (3) are slidably connected to the transmission wheels (5), and the track bodies (3) are slidably connected to the driven wheels (7). A driving motor (6) is installed on the side wall of the integrated frames (4) on one side of the transmission wheels (5), and the output end of the driving motor (6) is connected to the transmission wheels (5). The support frames (2) A support block (8) is installed on the side wall, a rotating arm (12) is installed on the end of the support block (8) away from the support frame (2), a movable shaft (10) is installed on the end of the rotating arm (12) close to the support block (8), and the rotating arm (12) is movably connected to the support block (8) through the movable shaft (10), a hydraulic cylinder (11) is movably installed inside the support block (8) on one side of the rotating arm (12), a hydraulic push rod (13) is installed at the output end of the hydraulic cylinder (11), a hinge shaft (14) is installed on the end of the hydraulic push rod (13) away from the hydraulic cylinder (11), and the hydraulic push rod (13) is movably connected to the rotating arm (12) through the hinge shaft (14).

2. A shipyard gantry crane track structure according to claim 1, characterized in that: The interior of the rotating arm (12) is equipped with an electric push rod (24), and the output end of the electric push rod (24) is equipped with a push arm (25).

3. A shipyard gantry crane track structure according to claim 1, characterized in that: The outside of the rotating arm (12) is provided with a telescopic arm (23), and the telescopic arm (23) is connected to the pushing arm (25).

4. A shipyard gantry crane track structure according to claim 3, characterized in that: A contact block (16) is installed at one end of the telescopic arm (23) away from the rotating arm (12), a linkage shaft (15) is installed at the top end of the contact block (16), and the contact block (16) is movably connected to the telescopic arm (23) via the linkage shaft (15).

5. The shipyard gantry crane track structure according to claim 1, characterized in that: A support arm (9) is installed on the side wall of the integrated frame (4) on one side of the drive motor (6), and the support arm (9) is fixedly connected to the integrated frame (4).

6. A shipyard gantry crane track structure according to claim 5, characterized in that: A support sleeve (22) is installed at one end of the support arm (9), and the support sleeve (22) is fixedly connected to the support arm (9).

7. A shipyard gantry crane track structure according to claim 6, characterized in that: A hollow sleeve (20) is slidably mounted inside the supporting sleeve (22), and a pressing block (21) is mounted at the bottom end of the hollow sleeve (20).

8. A shipyard gantry crane track structure according to claim 7, characterized in that: A threaded rod (19) is movably installed inside the hollow sleeve (20), a threaded sleeve (18) is installed at the top of the hollow sleeve (20), and the threaded rod (19) is threadedly connected to the threaded sleeve (18), and a handle (17) is installed at the top of the threaded rod (19).

Citation Information

Patent Citations

  • Anti-clamping operation structure of shipyard portal crane rail

    CN216190449U