Novel port unmanned transport vehicle frame and port unmanned transport vehicle
By designing a structure combining the rotary device with the connecting rod structure and two axles in the port unmanned transport vehicle, the problems of steering control deviation and low carrying capacity under the transportation of large tonnage cargo are solved, and smooth and accurate steering and high Carriage capacity.
Patent Information
- Application Number
- CN202423116383.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Existing port unmanned transport vehicles have problems of steering control deviation and low carrying capacity under the cargo of large tonnage.
A new type of port unmanned transport vehicle frame was designed, using a structure that combines the rotary device with the connecting rod structure and two axles. The axle steering is driven through the rotary device, and the movement of the leaf spring suspension is restricted through the connecting rod structure to ensure that Turn accurately.
It realizes smooth and precise steering under the transportation of large-tonnage cargo, improves the carrying capacity, and solves the problem of steering control deviation caused by sliding the connecting part of the axle and the leaf spring suspension.
Smart Images

Figure CN222496452U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of port container transport vehicles, in particular to a novel frame of a port unmanned transport vehicle and a port unmanned transport vehicle. Background Art
[0002] The steering structure of the existing port unmanned transport vehicle is shown in the patent publication number CN221954467U, which is named as unmanned transport vehicle steering drive structure, unmanned transport vehicle frame and unmanned transport vehicle. Compared with the traditional steering axle structure, the existing rotating device improves the steering accuracy, but in the actual steering control process, the connection between the axle and the leaf spring suspension will slide in the relative horizontal direction, resulting in steering control deviation problems, which affects the precise control of the steering. In addition, the patent publication number CN221954467U is a single-bridge structure with a low carrying capacity. How to achieve smooth and precise steering under large-tonnage cargo transportation has become an urgent problem that engineers in this field need to solve. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a new type of port unmanned transport vehicle frame and port unmanned transport vehicle, wherein the new type of port unmanned transport vehicle frame includes a frame, a container limit block, a slewing device, a suspension, a connecting rod structure and an axle;
[0004] The frame is provided with a container limiting area; a plurality of container limiting blocks are arranged along the edge of the container limiting area;
[0005] The bottom of the frame is connected to two axles via a slewing device; driving the slewing device can drive the axles to turn;
[0006] A suspension is connected between the slewing device and the two axles; the suspension is connected to the side wall of the slewing device;
[0007] The suspension is provided with a connecting rod structure; the connecting rod structure is used to connect the two axles.
[0008] Preferably, the frame is provided with a cab installation area on one side of the container limiting area; the cab installation area is used for detachably connecting the cab.
[0009] Preferably, the suspension is a leaf spring.
[0010] Preferably, the connecting rod structure comprises a connecting portion and a connecting rod; the connecting portion is arranged in the middle of the suspension; connecting rods are respectively arranged on both sides of the connecting portion; and the connecting rod is connected to adjacent axles.
[0011] Preferably, two rotating devices are provided; each of the rotating devices is provided with two axles.
[0012] The utility model further provides a port unmanned transport vehicle, which adopts any of the above-mentioned novel port unmanned transport vehicle frames.
[0013] The new type of unmanned port transport vehicle frame provided by the embodiment of the utility model can improve the vehicle's carrying capacity by providing two axles at the bottom of the slewing device compared to the structure of one axle; in addition, by adopting a structure combining the slewing device with the connecting rod structure and the two axles, the problem of steering control deviation caused by sliding at the connection part between the axle and the leaf spring suspension is solved, and the steering control is more accurate. The new type of unmanned port transport vehicle frame provided by the embodiment of the utility model achieves the purpose of stable and accurate steering under large tonnage cargo transportation. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A side view of the unmanned port transport vehicle provided by an embodiment of the utility model;
[0015] Figure 2 A top view of the frame of a new type of port unmanned transport vehicle provided by an embodiment of the utility model;
[0016] Figure 3 for Figure 1 A magnified view of middle;
[0017] Among them: 10, frame; 12, container limit block; 13, rotating device; 131, cylinder; 14, suspension; 15, connecting part; 16, connecting rod; 17, axle; 20, cab. DETAILED DESCRIPTION
[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments. However, the following embodiments are only preferred embodiments of the present invention, not all of them. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work all belong to the protection scope of the present invention. The experimental methods in the following embodiments are conventional methods unless otherwise specified. The materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.
[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0021] The embodiment of the utility model provides a new type of port unmanned transport vehicle frame and a port unmanned transport vehicle, wherein the new type of port unmanned transport vehicle frame includes a frame 10, a container limit block 12, a slewing device 13, a suspension 14, a connecting rod structure and an axle 17;
[0022] The frame 10 is provided with a container limiting area; a plurality of container limiting blocks 12 are arranged along the edge of the container limiting area;
[0023] The bottom of the frame 10 is connected to two axles 17 via a slewing device 13; driving the slewing device 13 can drive the axles 17 to turn;
[0024] A suspension 14 is connected between the slewing device 13 and the two axles 17; the suspension 14 is connected to the side wall of the slewing device 13;
[0025] The suspension 14 is provided with a connecting rod structure; the connecting rod structure is used to connect the two axles 17.
[0026] When implementing it, Figure 1 , Figure 2 , Figure 3 As shown, the frame of the new type of port unmanned transport vehicle includes a frame 10, a container limit block 12, a slewing device 13, a suspension 14, a connecting rod structure and an axle 17;
[0027] The frame 10 is provided with a container limiting area; a plurality of container limiting blocks 12 are arranged along the edge of the container limiting area;
[0028] The bottom of the frame 10 is connected to two axles 17 through a slewing device 13; the slewing device 13 can be driven to turn the axles 17; the bottom of the output end of the slewing device 13 is connected to the axles 17; the input end of the slewing device 13 is provided with a driving device, which includes but is not limited to a motor, a cylinder, an oil cylinder, etc.; the driving device drives the input end of the slewing device 13 to rotate so as to drive the output end of the slewing device 13 to rotate, so as to drive the axles 17 to rotate and achieve the purpose of steering the vehicle; at least one of the axles 17 is a driving bridge structure to drive the vehicle to travel;
[0029] like Figure 1 , Figure 3 As shown, a suspension 14 is connected between the rotating device 13 and the two axles 17; the suspension 14 includes but is not limited to a leaf spring suspension; the suspension 14 is connected to the side wall of the rotating device 13; the suspension 14 is provided with a connecting rod structure; the connecting rod structure is used to connect the two axles 17; the movement of the leaf spring suspension 13 in the longitudinal direction of the axle 17 is limited by the connecting rod structure.
[0030] The new type of unmanned port transport vehicle frame provided by the embodiment of the utility model can improve the carrying capacity of the vehicle by providing two axles 17 at the bottom of the slewing device 13, compared with the structure of one axle; in addition, by adopting a structure combining the slewing device 13 with the connecting rod structure and the two axles 17, the problem of steering control deviation caused by sliding of the connection part between the axle and the leaf spring suspension is solved, and the steering control is more accurate. The new type of unmanned port transport vehicle frame provided by the embodiment of the utility model achieves the purpose of stable and accurate steering under large tonnage cargo transportation.
[0031] When implementing it, Figure 1 , Figure 2 As shown, oil cylinders 131 are provided on both sides of the input end of the rotary device 13; the output end of the rotary device 13 is connected to the axle 17; the oil cylinder 131 drives the input end of the rotary device 13 to rotate, thereby driving the output end of the rotary device 13 to drive the connected axle 17 to turn. The structure using the oil cylinder can provide greater power than a drive device such as a motor; and the steering angle can be accurately controlled by adjusting the oil pressure, with fast response speed and good durability.
[0032] Furthermore, the frame 10 is provided with a cab installation area 11 at one side of the container limiting area; the cab installation area 11 is used for detachably connecting the cab 20 .
[0033] During specific implementation, the frame 10 is provided with a cab installation area 11 on one side of the container limit area; the cab installation area 11 is used for detachably connecting the cab 20; a mounting structure for a detachable cab 20 is provided on the cab installation area 11; the mounting structure includes but is not limited to detachable structures such as twist locks and bolts; a number of container limit blocks 12 are arranged along the edge of the container limit area; in this embodiment, by designing the cab 20 as a detachable structure, the user can install the cab according to actual use needs, which can meet more user usage requirements.
[0034] Furthermore, the connecting rod structure includes a connecting portion 15 and a connecting rod 16 ; the connecting portion 15 is disposed in the middle of the suspension 14 ; connecting rods 16 are respectively disposed on both sides of the connecting portion 15 ; and the connecting rod 16 is connected to an adjacent axle 17 .
[0035] When implementing it, Figure 1 , Figure 3 As shown, the connecting rod structure includes a connecting portion 15 and a connecting rod 16; the connecting portion 15 is arranged at the lower side of the middle part of the suspension 14; the left and right sides of the connecting portion 15 are respectively hinged to one end of the connecting rod 16; the other end of the connecting rod 16 is connected to the adjacent axle 17 through a support structure including but not limited to a hinge and a slide plate. In this embodiment, by combining the connecting portion 15, the connecting rod 16 and the suspension 14, the purpose of the slewing device 13 simultaneously and accurately controlling the steering of the two axles 17 can be achieved.
[0036] Furthermore, two rotating devices 13 are provided; each rotating device 13 is provided with two axles 17 .
[0037] When implementing it, Figure 1 , Figure 2 As shown, two slewing devices 13 are provided; each slewing device 13 is provided with two axles 17, which can meet the use requirements of a vehicle with a carrying capacity of 120 tons.
[0038] The utility model further provides a port unmanned transport vehicle, which adopts any of the above-mentioned novel port unmanned transport vehicle frames.
[0039] The port unmanned transport vehicle is equipped with a self-driving device; the self-driving device is an existing unmanned vehicle self-driving system and a whole vehicle VCU, and the self-driving device is connected to the braking system on the vehicle, the drive of the slewing device 13 (cylinder control module, motor, etc.), the vehicle drive device (drive motor, drive axle, steering drive axle, etc.), battery module, sensor system, etc.; the sensor system is usually arranged around the body of the unmanned transport steel mill vehicle or in the vehicle operation area, and the sensor system settings include but are not limited to laser sensors, visual sensors, etc.; the braking system is not limited to the use of existing air compression braking systems, hydraulic braking systems, etc.; the self-driving device can also receive GPS positioning information to realize vehicle positioning; the self-driving device receives and processes the signal from the sensor system and / or positioning GPS, and controls the drive and braking system of the vehicle drive device, steering axle and / or slewing device 13 to start or stop, steer, brake, etc. as needed; controlling the vehicle driving according to the set program by the unmanned vehicle self-driving system and the whole vehicle VCU is a common technical means in this field, which will not be repeated here.
[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A new type of unmanned port transport vehicle frame, characterized by: It comprises a vehicle frame (10), a container stop block (12), a slewing device (13), a suspension (14), a connecting rod structure and an axle (17); The frame (10) is provided with a container limiting area; a plurality of container limiting blocks (12) are arranged along the edge of the container limiting area; The bottom of the frame (10) is connected to two axles (17) via a rotating device (13); driving the rotating device (13) can drive the axles (17) to turn; A suspension (14) is connected between the rotating device (13) and the two axles (17); the suspension (14) is connected to the side wall of the rotating device (13); The suspension (14) is provided with a connecting rod structure; the connecting rod structure is used to connect the two axles (17).
2. The new type of unmanned port transport vehicle frame according to claim 1 is characterized by: The vehicle frame (10) is provided with a cab installation area (11) located on one side of the container limiting area; the cab installation area (11) is used for detachably connecting the cab (20).
3. The new type of unmanned port transport vehicle frame according to claim 1 is characterized by: The suspension (14) is a leaf spring.
4. The new type of unmanned port transport vehicle frame according to any one of claims 1 to 3, characterized in that: The connecting rod structure comprises a connecting portion (15) and a connecting rod (16); the connecting portion (15) is arranged in the middle of the suspension (14); connecting rods (16) are respectively arranged on both sides of the connecting portion (15); and the connecting rod (16) is connected to an adjacent axle (17).
5. The new type of unmanned port transport vehicle frame according to claim 1 is characterized by: The rotating devices (13) are provided with two; each of the rotating devices (13) is provided with two axles (17).
6. A port unmanned transport vehicle, characterized in that: A new type of port unmanned transport vehicle frame is adopted as described in any one of claims 1-5.
Citation Information
Patent Citations
Unmanned transport vehicle steering driving structure, unmanned transport vehicle frame and unmanned transport vehicle
CN221954467U