Gantry rod
By setting angle adjustment components and modular design on the gantry, the camera's angle can be precisely adjusted, solving the problem of unclear camera recognition under containers of different sizes, and improving recognition accuracy and loading and unloading efficiency.
Patent Information
- Application Number
- CN202520673880.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-04-11
AI Technical Summary
In scenarios involving mixed transport of containers of different sizes, existing container number recognition gantry cranes struggle to capture clear and complete images of the container numbers using cameras, leading to recognition failures and reduced cargo loading and unloading efficiency.
A gantry pole was designed, employing an angle adjustment assembly, including a main adjustment section and a secondary adjustment section. Through a spherical universal joint and a pitch bracket, it enables precise angle adjustment of the camera in a 360° horizontal and ±90° pitch direction. Combined with a modular design and clamp support assembly, the installation process is simplified.
It improved the accuracy of the camera in recognizing container numbers, eliminated blind spots, improved cargo loading and unloading efficiency, and reduced the input of manpower and material resources.
Smart Images

Figure CN223794989U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of station gate registration technology, specifically to a gantry pole. Background Technology
[0002] In today's globalized logistics landscape, container shipping has become the mainstream mode of cargo transportation. The efficiency of its gate operations directly restricts the smoothness of the entire logistics supply chain. Therefore, intelligent gate systems for terminals have emerged. These systems integrate advanced information technology and automated control technology, aiming to achieve intelligent and efficient gate operations. The core of the intelligent gate system for terminals is to accurately identify container numbers through cameras to improve cargo loading and unloading efficiency, reduce logistics costs, and ensure the smooth operation of the supply chain.
[0003] However, most existing container number recognition gantry cranes rely on cameras mounted on the crane to capture images of container numbers, which are then processed using image processing algorithms. However, the gantry crane's structure is relatively fixed, limiting the range of camera placement and angle adjustments. In scenarios involving mixed transport of containers of different sizes, it's difficult to ensure that the cameras consistently capture clear and complete images of the container numbers. For example, when small and large containers are transported alternately, the fixed-position camera may fail to accurately capture the container numbers of the smaller containers due to differences in container number height, leading to recognition failures. This reduces cargo handling efficiency and disrupts the smooth operation of the supply chain. Utility Model Content
[0004] The purpose of this utility model is to address the shortcomings of existing technologies by providing a gantry pole to improve recognition accuracy and increase cargo loading and unloading efficiency.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] This utility model provides a gantry pole, including a gantry pole body, an angle adjustment component, and a camera;
[0007] The camera is mounted on the gantry pole body via the angle adjustment component;
[0008] The angle adjustment assembly includes a main adjustment part and a secondary adjustment part. The main adjustment part is connected to the gantry rod body, and the secondary adjustment part is connected to the camera.
[0009] The main adjustment unit is used to drive the secondary adjustment unit and the camera to rotate around the rotation axis. The secondary adjustment unit includes a pitch support, which has at least one movable segment. Each movable segment can independently drive the camera to swing around the pitch axis relative to the gantry pole body. The direction of the rotation axis is perpendicular to the ground, and the direction of the pitch axis is parallel to the ground and perpendicular to the direction of the rotation axis.
[0010] In some embodiments, the main adjustment unit includes a spherical universal joint, a fixed shaft, and a support frame. The fixed shaft is fixedly mounted on the spherical universal joint and is fixedly connected to the gantry rod body. The support frame is disposed on the spherical universal joint and rotates 360° around the circumference of the spherical universal joint via the fixed shaft, wherein the axis of rotation is the axis of the fixed shaft.
[0011] In some embodiments, the support frame has a cross-shaped structure, and the support frame has multiple mounting holes for mounting the pitch support.
[0012] In some embodiments, the axial spacing between each adjacent mounting hole is equal, and the axes of the plurality of mounting holes are parallel to each other.
[0013] In some embodiments, each of the movable segments is connected by a locking knob. Rotation of the locking knob causes the movable segment to rotate along the axis of the locking knob, thereby causing the camera to swing 90° around the pitch axis, which is the axial direction of the locking knob.
[0014] In some embodiments, a clamp support assembly is further included, the clamp support assembly including a clamp body and a support bracket, the clamp body being disposed on the gantry rod body, the support bracket being disposed on the clamp body, and a mounting flange for accommodating the fixed shaft being provided at one end opposite to the clamp body.
[0015] In some embodiments, the support bracket has an "N" shaped structure.
[0016] In some embodiments, the clamp body is a duckbill-shaped structure, which includes two symmetrical arc-shaped clips. One end of the two symmetrical arc-shaped clips is connected by a hinge, and the other end is connected by a locking bolt. The inner side of each of the two symmetrical arc-shaped clips is provided with an anti-slip silicone rubber pad for adhering to the surface of the gantry rod body.
[0017] In some embodiments, the gantry pole body includes a base, an upright, and a crossbar. The upright is disposed on the base, and the base is in contact with the ground. The crossbar is disposed at the end of the upright away from the base. The angle adjustment component is disposed on the crossbar through the clamp support component.
[0018] In some embodiments, a lightning protection ball is also included, which is disposed at the end of the gantry pole body away from the ground.
[0019] Furthermore, the beneficial effects of this application are as follows:
[0020] This application adds a clamp support component and sets the clamp body as a unique duckbill-shaped structure, which allows the clamp body to flexibly select the installation point on the gantry rod body. The ball universal joint and pitch bracket in the main adjustment part and the auxiliary adjustment part cooperate to drive the camera to make fine angle adjustments in the 360° horizontal direction and ±90° pitch direction. This allows the camera to accurately aim at the container number of various containers. Whether it is a small container or a large container, it can clearly capture the container number image, completely eliminate the blind spot of recognition, and improve the recognition accuracy.
[0021] Furthermore, this application adopts a modular design, with simple bolt connections between the gantry pole body, clamp support assembly, flange, spherical universal joint, and pitch bracket. Ordinary workers can easily complete the installation after simple training, which greatly reduces the input of manpower and material resources and improves the deployment efficiency of the gantry pole. Attached Figure Description
[0022] Figure 1 A schematic diagram of one embodiment of the gantry rod integral structure provided by this utility model;
[0023] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;
[0024] Figure 3 This is a partial structural cross-sectional view of the main adjustment part in this utility model;
[0025] Figure 4 A schematic diagram of another embodiment of the gantry rod integral structure provided by this utility model.
[0026] In the diagram: 1-base, 11-upright pole, 12-crossbar, 13-lightning protection ball, 2-clamp body, 21-anti-slip silicone rubber pad, 22-support bracket, 23-mounting flange, 3-spherical universal joint, 31-fixed shaft, 32-support frame, 33-mounting hole, 4-tilt bracket, 41-moving section, 42-locking knob, 5-camera. 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 of the present utility model. 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 scope of protection of the present utility model. In the description of the embodiments of this application, unless otherwise stated, " / " means "or", for example, A / B can mean A or B; "and / or" in the text is merely a description of the relationship between related objects, indicating that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of this application, "multiple" means two or more. Hereinafter, the terms "first" and "second" are used for descriptive purposes only and should not be construed as implying or suggesting relative importance or implicitly indicating the number of indicated technical features. Thus, features defined with "first" and "second" can explicitly or implicitly include one or more of that feature. In the description of the embodiments of this application, unless otherwise stated, "multiple" means two or more.
[0028] like Figures 1-3 As shown, this utility model embodiment provides a gantry pole, including a gantry pole body, an angle adjustment component, and a camera 5;
[0029] Camera 5 is mounted on the gantry pole body via an angle adjustment component;
[0030] The angle adjustment assembly includes a main adjustment part and a secondary adjustment part. The main adjustment part is connected to the gantry rod body, and the secondary adjustment part is connected to the camera 5.
[0031] The main adjustment unit is used to drive the secondary adjustment unit and the camera 5 to rotate around the rotation axis. The secondary adjustment unit includes a pitch support 4, which has at least one movable segment 41. Each movable segment 41 can independently drive the camera 5 to swing around the pitch axis relative to the gantry pole body. The direction of the rotation axis is perpendicular to the ground, and the direction of the pitch axis is parallel to the ground and perpendicular to the direction of the rotation axis. In the above structure, the main adjustment unit includes a spherical universal joint 3, a fixed shaft 31, and a support frame 32. The fixed shaft 31 is fixed to the spherical universal joint 3 and is fixedly connected to the gantry pole body. The support frame 32 is set on the spherical universal joint 3 and rotates 360° around the circumference of the spherical universal joint 3 via the fixed shaft 31. The rotation axis is the axis of the fixed shaft 31. Each movable segment 41 in the pitch support 4 is connected by a locking knob 42. The rotation of the locking knob 42 drives the movable segment 41 to rotate along the axis of the locking knob 42, thereby driving the camera 5 to swing around the pitch axis 90°. The pitch axis is the direction of the axis of the locking knob 42.
[0032] In this embodiment, a clamp support assembly is also included. The clamp support assembly includes a clamp body 2 and a support bracket 22. The clamp body 2 is disposed on the gantry rod body, and the support bracket 22 is disposed on the clamp body 2. A mounting flange 23 for accommodating the fixed shaft 31 is provided at one end away from the clamp body 2. The main adjustment part is made of high-strength alloy material, such as aviation aluminum alloy, but this application does not make a specific limitation on it. The support bracket 32 is uniquely cross-shaped, which can realize all-round angle adjustment. Each joint of the spherical universal shaft 3 is equipped with a high-precision damping shaft. At the same time, the internal ball bearings realize 360° horizontal rotation and ±90° pitch rotation, ensuring that after being adjusted to a specific angle, it can remain stable even when encountering vibration and avoid displacement. The size of the fixed shaft 31 can be changed according to actual needs. This application also does not make a specific limitation. However, for ease of description, this application sets the diameter of the fixed shaft 31 to 12 mm. It passes through the central through hole of the mounting flange 23 and is fastened by a nut. The mounting flange 23 is a circular stainless steel structure with a diameter of 40 mm and a thickness of 8 mm. Four mounting holes 33 with a diameter of 6 mm are evenly distributed around the circumference, and there is a through hole with a diameter of 12 mm in the center. The holes are fixed to the circular connecting plate on the top of the support bracket 22 by bolts. The central through hole is used to install the fixed shaft 31 of the spherical universal shaft 3. Its function is to connect the support main adjustment part, ensure that the spherical universal shaft 3 can rotate flexibly, and at the same time provide a stable mounting surface for the spherical universal shaft 3 to ensure stability during rotation.
[0033] Similarly, in another embodiment of this application (not shown in the figure), a telescopic link is also provided at the bottom of the fixed shaft 31. The telescopic link consists of an inner rod and an outer rod. The inner rod can freely extend and retract within the outer rod. One end of the outer rod is hinged to the clamp body 2, and one end of the inner rod is hinged to the fixed shaft 31. A locking device is provided on the telescopic link. After the extension length of the inner rod is adjusted, the inner rod can be fixed to the outer rod by the locking device, thereby making the camera 5 in this application more flexible.
[0034] In one possible implementation, the support frame 32 has a cross-shaped structure and multiple mounting holes 33 for mounting the pitch bracket 4. The axial distance between each adjacent mounting hole 33 is equal, and the axes of the multiple mounting holes 33 are parallel to each other. In the above structure, the diameter of the mounting holes 33 is 8 mm as an example in this application, for connecting the pitch bracket 4. The pitch bracket 4 can flexibly adjust the horizontal and pitch angles of the camera 5 according to the container number position, so that the camera 5 can accurately align with the container number, providing angle adjustment guarantee for obtaining clear images. At the same time, the pitch bracket 4 is made of aluminum alloy and has multiple movable sections 41. As can be seen from the figure, there are three movable sections 41 in this example. Between each pair of movable sections 41, there is an 8 mm diameter locking knob 42. Thus, the user can make fine angle adjustments to the camera 5 by rotating the locking knob 42, further improving the accuracy of the camera 5 aligning with the container number, ensuring that the captured container number image is clear and complete, and providing high-quality images for subsequent identification.
[0035] In one possible implementation, the support bracket 22 has an "N"-shaped structure made of high-strength alloy. The "N"-shaped structure greatly improves the stability of the support bracket 22 during installation and use. The mounting plate at the bottom of the support bracket 22 is connected to the clamp body 2 by M6 bolts, which also improves the stability of the support bracket 22 during installation.
[0036] In one possible implementation, the clamp body 2 has a duckbill-shaped structure, including two symmetrical arc-shaped clips. One end of the two symmetrical arc-shaped clips is connected by a hinge, and the other end is connected by a locking bolt. The inner side of each of the two symmetrical arc-shaped clips is provided with an anti-slip silicone rubber pad 21 for adhering to the surface of the gantry pole body. In addition, the clamp body 2 is made of high-strength spring steel, and the anti-slip silicone rubber pad 21 adhering to the inner side is 3 mm thick. In use, one end of the two symmetrical arc-shaped clips is connected by a high-strength hinge and can be opened and closed. The locking bolt at the other end has a diameter of 10 mm. During installation, the worker aligns the opening of the clamp body 2 with the gantry pole column or beam, tightens the bolt, and makes the clips grip the column or beam. Its function is to provide a stable installation foundation for the entire camera 5, ensure the firmness when installed in different positions of the gantry pole, adapt to gantry pole columns of different diameters, and ensure the stability of subsequent component installation.
[0037] In one possible implementation (not shown in the figure), a quick-mount plate is also provided at one end of the pitch bracket 4 where the camera 5 is mounted. The camera 5 can be mounted on the pitch bracket 4 by means of bolts, plugs, snaps, etc., thereby improving the speed of camera 5 installation.
[0038] One possible implementation method also includes a lightning protection ball 13, which is installed at the end of the gantry pole away from the ground to prevent lightning from damaging the camera 5 during thunderstorms and to extend the service life of the camera 5.
[0039] In one possible implementation, the gantry pole body includes a base 1, an upright 11, and a crossbar 12. The upright 11 is disposed on the base 1, and the base 1 is in contact with the ground. The crossbar 12 is disposed at the end of the upright 11 away from the base 1. An angle adjustment component is disposed on the crossbar 12 through a clamp support component. The present application simplifies the installation steps of the gantry pole body by connecting the base 1, the upright 11, and the crossbar 12 with bolts.
[0040] In addition, please refer to Figure 4 The figure shows another embodiment of this application. In this embodiment, there are two uprights 11, which are respectively set on both sides of the crossbeam so that the gantry pole body forms a U-shaped structure with the opening facing the ground, thereby improving the overall stability of the gantry pole body. At the same time, the structure of the two uprights 11 in this embodiment can also be used in conjunction with the gantry pole body of one upright 11. The gantry pole body of the single upright 11 can be used as the front pole, and the gantry pole body of the double uprights 11 can be used as the rear pole. The front pole and the rear pole are used in conjunction to maximize the recognition accuracy of the camera 5.
[0041] In one possible implementation, the camera 5 in this application is further equipped with an adaptive recognition system. After the camera 5 acquires an image, it transmits the image to a data acquisition card via a data cable. The data acquisition card is installed in the expansion slot of an industrial control computer and converts the analog image signal into a digital signal for computer processing. The computer is equipped with a high-performance graphics processing unit (GPU) to accelerate image data processing. It also includes a preprocessing module, a multimodal recognition module, and an adaptive adjustment module. After the image enters the preprocessing module, it uses a histogram equalization algorithm to process strong light images, a Retinox algorithm to process backlight images, and median filtering and Gaussian filtering to remove noise. Then it enters the multimodal recognition module, where a convolutional neural network (CNN) performs character recognition and extracts features such as the edge and texture of the container number area to match with standard features in the database. The adaptive adjustment module monitors environmental parameters and the surface condition of the container in real time and automatically optimizes the recognition process parameters. This system can accurately identify container numbers in complex environments, improve the automation level and accuracy of logistics operations, and reduce manual intervention and error rates.
[0042] Camera 5 also features an intelligent fault diagnosis system. It collects real-time data on parameters such as current, voltage, and temperature from various sensors. The sensors transmit this data to the control system, which analyzes the data using preset algorithms. When parameters exceed normal ranges, the system quickly determines the type and location of the fault, such as whether it's a hardware failure in Camera 5, a wiring problem, or an algorithm malfunction. Indicator lights and alarm messages alert maintenance personnel, helping to quickly locate and resolve faults, ensuring normal equipment operation, reducing maintenance difficulty and costs, and improving the continuity of logistics operations.
[0043] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. Therefore, if such modifications and variations fall within the scope of the claims of this application and their equivalents, this application also intends to include such modifications and variations.
Claims
1. A portal bar, characterized in that, The gantry rod body, the angle adjusting assembly, and the camera; The camera is arranged on the gantry rod body through the angle adjusting assembly; The angle adjusting assembly comprises a main adjusting part and a secondary adjusting part, the main adjusting part is connected with the gantry rod body, and the secondary adjusting part is connected with the camera; The main adjusting part is used to drive the secondary adjusting part and the camera to rotate around the rotation axis, the secondary adjusting part comprises a pitch support, each movable segment of the pitch support can independently drive the camera to oscillate around the pitch axis relative to the gantry rod body, the rotation axis is perpendicular to the ground, and the pitch axis is parallel to the ground and perpendicular to the rotation axis.
2. The portal bar of claim 1 wherein, The main adjusting part comprises a spherical universal shaft, a fixed shaft, and a support frame, the fixed shaft is fixedly arranged on the spherical universal shaft and fixedly connected with the gantry rod body, and the support frame is arranged on the spherical universal shaft and rotates along the circumferential surface of the spherical universal shaft through the fixed shaft, wherein the rotation axis is the axis of the fixed shaft.
3. The portal bar of claim 2 wherein, The support frame is a "cross" structure, and a plurality of mounting holes are formed in the support frame to mount the pitch support.
4. The portal bar of claim 3 wherein, The axial center distance between each adjacent mounting hole is equal, and the axes of the plurality of mounting holes are parallel to each other.
5. The portal bar of claim 1 wherein, Each movable segment is connected through a locking knob, the locking knob is rotated to drive the movable segment to rotate along the axis of the locking knob, so as to drive the camera to oscillate around the pitch axis by 90°, and the pitch axis is the axis direction of the locking knob.
6. The portal bar of claim 2 wherein, The hoop support assembly comprises a hoop body and a support bracket, the hoop body is arranged on the gantry rod body, the support bracket is arranged on the hoop body, and the end away from the hoop body is provided with a mounting flange for accommodating the fixed shaft.
7. The portal bar of claim 6 wherein, The support bracket is an "N" structure.
8. The portal bar of claim 6 wherein, The hoop body is a duckbill structure, which comprises two symmetrical arc-shaped clamping pieces, one end of the two symmetrical arc-shaped clamping pieces is connected through a hinge, the other end is connected through a locking bolt, the inner side of each of the two symmetrical arc-shaped clamping pieces is provided with an antiskid silicone rubber pad for abutting against the surface of the gantry rod body.
9. The portal bar of claim 6 wherein, The gantry rod body comprises a base, a vertical rod, and a horizontal rod, the vertical rod is arranged on the base, the base is in contact with the ground, the horizontal rod is arranged at the end of the vertical rod away from the base, and the angle adjusting assembly is arranged on the horizontal rod through the hoop support assembly.
10. The portal bar of claim 9 wherein, The lightning protection ball is arranged at the end of the gantry rod body away from the ground.