A gantry crane with a multi-stage anti-deviation mechanism

Abstract

This utility model discloses a gantry crane with a multi-stage anti-deviation mechanism, belonging to the field of gantry cranes. It includes outriggers, with a main beam mounted on the upper top of each outrigger. An anti-deviation component is installed on the outer wall of the main beam. The anti-deviation component includes a slide rail seat mounted on the outer wall of the main beam, with a rail wheel slidably connected to the inner wall of the slide rail seat. A balancer is installed at the lower end of the rail wheel. Through the coordinated use of these devices, the stability of the gantry crane during operation is improved, preventing deviation during cargo lifting. Using two balancers in conjunction with steel strands, the steel wire rope can be limited by locking rings during cargo lifting. Furthermore, when external forces such as sudden power outages or crosswinds occur, the pull of the balancers and steel strands prevents the cargo from causing deviation of the rail wheel. This component has a simple structure, strong practicality, and can further improve the anti-deviation effect of the gantry crane.

Description

Technical Field

[0001] This utility model relates to the field of gantry crane technology, specifically a gantry crane with a multi-stage anti-deviation mechanism. Background Technology

[0002] A gantry crane (also known as a portal crane) is a variation of a bridge crane, named for its "gate"-shaped frame structure. It has outriggers on both sides that allow it to travel along ground tracks, with the main beam spanning across the outriggers, creating a space below for vehicles or goods to pass through. It is mainly used in outdoor freight yards, ports, storage yards, shipyards, and other locations to handle the loading, unloading, handling, and stacking of large quantities of goods, and is a core lifting device in heavy logistics and industrial sectors.

[0003] An investigation revealed that a Chinese utility model patent (publication number: CN217350430U) discloses a gantry crane with a correction device, comprising a traveling mechanism and a PLC controller. The traveling mechanism includes a traveling wheel box, with a collision avoidance bar and a correction box at the front end of the traveling wheel box. A measuring wheel is rotatably mounted on the correction box, and the measuring wheel is connected to an encoder. Both the encoder and the traveling mechanism are electrically connected to the PLC controller. By connecting the encoder shaft to the rotating shaft of the measuring wheel, the encoder transmits the angular displacement data of the traveling wheels on both sides of the gantry crane to the PLC controller. The PLC controller analyzes the changes in the angular displacement of the traveling wheels on both sides to determine whether the gantry crane has deviated during operation. If deviation occurs, the PLC controller controls the movement of the traveling wheels on both sides to correct the gantry crane. The correction device effectively ensures the stable operation of the gantry crane and reduces safety hazards.

[0004] Although the aforementioned patent improves the operational stability of gantry cranes by incorporating components such as PLC controllers, correction boxes, and encoders, and by using the cooperation of these components to monitor the crane's operation and prevent deviations during use, the fact that gantry cranes rely on wire ropes to connect the load during operation makes them prone to swaying during movement. This inertia can lead to deviations during travel, which is detrimental to improving the safety of crane operation.

[0005] Therefore, this utility model provides a gantry crane with a multi-stage anti-deviation mechanism to solve the above problems. Utility Model Content

[0006] (a) Technical problems to be solved

[0007] This invention provides a gantry crane with a multi-stage anti-deviation mechanism, which aims to solve the problems mentioned in the background art.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, this utility model provides the following technical solution:

[0010] A gantry crane with a multi-stage anti-deviation mechanism includes two outriggers with a main beam mounted on the top of each outrigger, and the outer wall of the main beam is provided with an anti-deviation component.

[0011] The anti-deviation component includes a slide rail seat installed on the outer wall of the main beam. A rail wheel is slidably connected to the inner wall of the slide rail seat. A balancer is installed at the bottom end of the rail wheel. A steel strand is fixedly connected to the output end of the balancer. A support frame is fixedly connected to the ends of the two steel strands.

[0012] As a preferred technical solution of this application, a displacement device is slidably connected inside the main beam, a lifting device is installed at the bottom end of the displacement device, and a hook is fixedly connected to the output end of the lifting device by a steel wire rope.

[0013] As a preferred technical solution of this application, the support frame is fixedly connected to the bottom end of the lifting device, a rotating seat is fixedly connected to the outer wall of the support frame, and a locking ring is rotatably connected to the inner wall of the rotating seat. The two locking rings are connected by bolt threads.

[0014] As a preferred technical solution of this application, a horizontal rail is installed on the outer wall of the support leg, a mounting base is fixedly connected to the lower bottom end of the horizontal rail, and a mounting groove is provided at the upper top end of the mounting base.

[0015] As a preferred technical solution of this application, a controller is installed at the top of the main beam, the output end of the controller is electrically connected to the input end of the crane via a signal line, and a heat sink is fixedly connected to the top of the controller.

[0016] As a preferred technical solution of this application, an alarm is installed at the top of the main beam, and the number of the alarms is multiple.

[0017] (III) Beneficial Effects

[0018] By incorporating anti-deviation components, the stability of the gantry crane during operation can be improved through the coordinated operation of various parts, preventing deviation during cargo lifting. Utilizing two balancers in conjunction with the steel strand, the steel wire rope is limited by locking rings during cargo lifting. Furthermore, in the event of a sudden power outage or crosswinds, the balancers and steel strands prevent the cargo from shifting along the guide wheels due to the tension. This component has a simple structure, high practicality, and further enhances the anti-deviation effect of the gantry crane. Attached Figure Description

[0019] Figure 1This is a schematic diagram of the overall structure of a gantry crane with a multi-stage anti-deviation mechanism;

[0020] Figure 2 This is a schematic diagram of the balancer in a gantry crane with a multi-stage anti-deviation mechanism;

[0021] Figure 3 This is a schematic diagram of the structure of steel strand in a gantry crane with a multi-stage anti-deviation mechanism;

[0022] Figure 4 for Figure 3 A schematic diagram of the structure at point A in the middle.

[0023] In the picture:

[0024] 1. Outriggers; 2. Main beam; 3. Slide rail seat; 4. Rail wheel; 5. Balancer; 6. Steel strand; 7. Support frame; 8. Displacement device; 9. Lifter; 10. Wire rope; 11. Hook; 12. Rotary seat; 13. Locking ring; 14. Cross rail; 15. Mounting base; 16. Controller; 17. Signal line; 18. Alarm. Detailed Implementation

[0025] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] This utility model provides a gantry crane with a multi-stage anti-deviation mechanism, such as... Figures 1-4 As shown, a gantry crane with a multi-stage anti-deviation mechanism includes outriggers 1, a main beam 2 is installed on the upper top of the two outriggers 1, and an anti-deviation component is provided on the outer wall of the main beam 2.

[0027] The anti-deviation component includes a slide rail seat 3 installed on the outer side wall of the main beam 2, a rail wheel 4 slidably connected to the inner wall of the slide rail seat 3, a balancer 5 installed at the bottom end of the rail wheel 4, a steel strand 6 fixedly connected to the output end of the balancer 5, and a support frame 7 fixedly connected to the ends of the two steel strands 6.

[0028] The main beam 2 has a sliding connection to a displacement device 8. A lifting device 9 is installed at the bottom of the displacement device 8. The output end of the lifting device 9 is fixedly connected to a hook 11 via a wire rope 10.

[0029] The support frame 7 is fixedly connected to the bottom end of the lifting device 9. The outer wall of the support frame 7 is fixedly connected to the rotating seat 12, and the inner wall of the rotating seat 12 is rotatably connected to the locking ring 13. The two locking rings 13 are connected by bolt threads.

[0030] Specifically, the outriggers 1 provide sufficient stability for the crane 9, ensuring its balance and stability during cargo lifting and preventing the risk of overturning during crane 9 displacement. The main beam 2 facilitates lateral displacement between the internal displacement device 8 and the crane 9, thereby transporting cargo and improving the device's efficiency. The slide rail seat 3 on the outer wall of the main beam 2 limits the sliding of the internal sliding wheels 4, improving the stability of the wheels 4 during sliding. The balancer installed at the bottom of the wheels 4 further enhances stability. 5. It can be used in conjunction with steel strands 6. By setting the length in advance, when the crane 9 encounters a sudden power failure causing the cargo to be impacted due to inertia, or when encountering crosswinds, the two steel strands 6 can be used to tension the support frame 7 and the swivel seat 12. The locking ring 13 in the swivel seat 12 is used to restrain the wire rope 10, preventing it from moving violently with the hook 11 at its end, which would cause the gantry crane to deviate. This component has a simple structure, strong practicality, and can improve the safety of gantry crane use while improving its anti-deviation effect, further improving the efficiency of gantry crane use.

[0031] A horizontal rail 14 is installed on the outer wall of the support leg 1. A mounting base 15 is fixedly connected to the bottom end of the horizontal rail 14. A mounting groove is opened at the top end of the mounting base 15.

[0032] A controller 16 is installed at the top of the main beam 2. The output of the controller 16 is electrically connected to the input of the crane 9 via a signal line 17. A heat sink is fixedly connected to the top of the controller 16.

[0033] An alarm 18 is installed at the top of the main beam 2, and there are multiple alarms 18.

[0034] Specifically, the horizontal rail 14 on the outer wall of the outrigger 1 facilitates the displacement of the gantry crane, thereby transporting goods. The mounting base 15 and mounting groove can stably connect the gantry crane to the ground, ensuring its operational stability. The controller 16 and signal line 17 allow operators to easily control the operation of the gantry crane, ensuring the accuracy of lifting and transporting. The heat sink facilitates heat dissipation for the controller 16, preventing overheating from affecting signal transmission. The alarm 18 can alert operators to safety during the operation of the gantry crane, further improving the safety protection of the device.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A gantry crane with a multi-stage anti-deviation mechanism, comprising outriggers (1), characterized in that: A main beam (2) is installed at the top of the two legs (1), and an anti-deviation component is provided on the outer wall of the main beam (2); The anti-deviation component includes a slide rail seat (3) installed on the outer side wall of the main beam (2), a rail wheel (4) is slidably connected to the inner wall of the slide rail seat (3), a balancer (5) is installed at the bottom end of the rail wheel (4), a steel strand (6) is fixedly connected to the output end of the balancer (5), and a support frame (7) is fixedly connected to the ends of the two steel strands (6).

2. A gantry crane with a multi-stage anti-deviation mechanism according to claim 1, characterized in that: The main beam (2) is internally slidably connected to a displacement device (8), and a lifting device (9) is installed at the bottom end of the displacement device (8). The output end of the lifting device (9) is fixedly connected to a hook (11) via a wire rope (10).

3. A gantry crane with a multi-stage anti-deviation mechanism according to claim 2, characterized in that: The support frame (7) is fixedly connected to the bottom end of the lifting device (9). A rotating seat (12) is fixedly connected to the outer wall of the support frame (7). A locking ring (13) is rotatably connected to the inner wall of the rotating seat (12). The two locking rings (13) are connected by bolt threads.

4. A gantry crane with a multi-stage anti-deviation mechanism according to claim 1, characterized in that: The outer wall of the support leg (1) is equipped with a horizontal rail (14), and the bottom end of the horizontal rail (14) is fixedly connected to a mounting base (15). The top end of the mounting base (15) is provided with a mounting groove.

5. A gantry crane with a multi-stage anti-deviation mechanism according to claim 2, characterized in that: A controller (16) is installed at the top of the main beam (2). The output end of the controller (16) is electrically connected to the input end of the crane (9) via a signal line (17). A heat sink is fixedly connected to the top of the controller (16).

6. A gantry crane with a multi-stage anti-deviation mechanism according to claim 5, characterized in that: An alarm (18) is installed at the top of the main beam (2), and there are multiple alarms (18).

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