Novel double-rotation double-bridge chassis structure for steel mill and unmanned transportation steel mill vehicle

Abstract

The utility model discloses a novel double-rotation double-bridge chassis structure for a steel mill and an unmanned transportation steel mill vehicle, and the novel double-rotation double-bridge chassis structure for the steel mill comprises a chassis frame, a rotation device, an axle and a saddle, a saddle is arranged on the upper side of the chassis frame, and two rotating devices are distributed on the lower side of the chassis frame. Two axles are arranged at the bottom of each rotating device; the saddle is used for fixing steel; the driving rotation device can drive the two axles connected with the driving rotation device to steer. According to the novel double-rotation double-bridge chassis structure for the steel mill, a vehicle in the steel mill can safely run on a narrow road with a small turning radius under a large load.

Description

Technical Field

[0001] The utility model relates to the technical field of steel plant transport vehicles, in particular to a new double-slewing double-bridge chassis structure for steel plants and an unmanned steel plant transport vehicle. Background Art

[0002] Steel mill vehicles are special vehicles used in the internal and external transportation of steel mills, mainly used to transport various steel materials, such as steel billets, steel coils, etc. Most of the existing steel mill vehicles are shown in the scheme disclosed in the Chinese patent with publication number CN219687171U, entitled A multi-in-one steel coil special vehicle chassis. Its steering generally adopts a traditional steering axle structure, which has a limited steering angle and insufficient steering angle control accuracy. When the road for the steel mill vehicle is relatively narrow and the turning radius is small, steering difficulties will arise; especially when the load is heavy steel, the traditional steering axle cannot meet the steel mill vehicle's precise control of the steering angle and steering accuracy under large loads. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a new type of double-swing double-bridge chassis structure for steel mills and an unmanned transport steel mill vehicle, wherein the new type of double-swing double-bridge chassis structure for steel mills includes a chassis frame, a slewing device, an axle and a saddle;

[0004] The upper side of the chassis frame is provided with a saddle, and the lower side is provided with two rotating devices; the bottom of each rotating device is provided with two axles;

[0005] The saddle is used to fix the steel;

[0006] Driving the slewing device can drive the two axles connected thereto to steer.

[0007] Preferably, the slewing device is a slewing bearing.

[0008] Preferably, oil cylinders are respectively provided on both sides of the input end of the rotary device; the output end of the rotary device is connected to two axles;

[0009] The oil cylinder drives the input end of the rotary device to rotate, thereby driving the output end of the rotary device to drive the two connected axles to turn.

[0010] Preferably, the two axles are connected to the output end of the rotating device via a suspension.

[0011] Preferably, a thrust rod structure is provided in the middle of the suspension; the thrust rod structure is connected to two axles respectively.

[0012] Preferably, the chassis frame is provided with a cab installation area; the cab installation area is used for detachable connection with the cab.

[0013] Preferably, a baffle is provided between the cab mounting area and the saddle.

[0014] The utility model also provides an unmanned steel mill transport vehicle, which adopts any of the above-mentioned new double-swing double-bridge chassis structures for steel mills.

[0015] Preferably, it also includes a cab; the chassis frame is provided with a cab installation area; the cab is detachably connected to the cab installation area.

[0016] The new double-swing double-bridge chassis structure for steel mills provided by the utility model replaces the traditional steering bridge structure with a swing device, and can perform more precise steering angle control when turning; through the structure of the two swing devices, the turning radius can be reduced when turning, so that safe turning can be performed in narrow roads in the operation scene; by arranging two axles at the bottom of the two swing devices, the carrying capacity of the vehicle can be improved. The new double-swing double-bridge chassis structure for steel mills provided by the utility model can enable steel mill vehicles to drive safely on narrow roads with small turning radius under heavy loads. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A side view of an unmanned steel mill transport vehicle provided by an embodiment of the utility model;

[0018] Figure 2 A top view of a new type of double-swing double-bridge chassis structure for a steel plant provided by an embodiment of the utility model;

[0019] Figure 3 for Figure 1 A magnified view of middle;

[0020] Among them: 10, chassis frame; 11, slewing device; 12, axle; 13, saddle; 14, cylinder; 15, suspension; 16, thrust rod structure; 161, push rod; 162, connecting part; 17, cab installation area; 18, cab; 19, baffle; 20, steel coil. DETAILED DESCRIPTION

[0021] 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.

[0022] 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.

[0023] 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.

[0024] The utility model provides a new type of double-swing double-bridge chassis structure for steel mills and an unmanned steel mill transport vehicle, wherein the new type of double-swing double-bridge chassis structure for steel mills comprises a chassis frame 10, a slewing device 11, an axle 12 and a saddle 13;

[0025] The chassis frame 10 is provided with a saddle 13 on the upper side and two rotating devices 11 on the lower side; two axles 12 are provided at the bottom of each rotating device 11;

[0026] The saddle 13 is used to fix the steel;

[0027] Driving the slewing device 11 can drive the two axles 12 connected thereto to slew.

[0028] When implementing it, Figure 1 , Figure 2 As shown, the new double-swing double-bridge chassis structure for steel mills includes a chassis frame 10, a swing device 11, an axle 12 and a saddle 13;

[0029] A saddle 13 is provided on the upper side of the chassis frame 10, and the saddle 13 is used to fix the steel; Figure 1 As shown, the saddle 13 is provided with a plurality of grooves for fixing the steel coil 20; the saddle 13 includes but is not limited to using an existing steel coil fixing saddle, which will not be described in detail here;

[0030] Two rotating devices 11 are provided along the length direction at the lower side of the chassis frame 10; the rotating device 11 includes but is not limited to the use of a rotating bearing; two axles 12 are provided at the bottom of the output end of the rotating device 11; a driving device is provided at the input end of the rotating device 11, and the driving device includes but is not limited to a motor, a cylinder, an oil cylinder, etc.; the driving device drives the input end of the rotating device 11 to rotate, thereby driving the output end of the rotating device 11 to rotate, thereby driving the two axles 12 connected to the output end to rotate, so as to achieve steering; one or more of the axles 12 is a drive axle structure to drive the vehicle to travel.

[0031] The new double-revolving double-bridge chassis structure for steel mills provided by the embodiment of the utility model replaces the traditional steering bridge structure with a revolving device 11, and can perform more precise steering angle control when turning; the structure of the two revolving devices 11 cooperating can reduce the turning radius when turning, so that safe turning can be performed in narrow roads in the operation scene; the structure of two axles 12 is provided at the bottom of the two revolving devices 11, which can improve the carrying capacity of the vehicle. The new double-revolving double-bridge chassis structure for steel mills provided by the embodiment of the utility model can enable steel mill vehicles to drive safely on narrow roads with small turning radius under heavy loads.

[0032] Furthermore, oil cylinders 14 are respectively provided on both sides of the input end of the rotating device 11; the output end of the rotating device 11 is connected to two axles 12;

[0033] The oil cylinder 14 drives the input end of the rotating device 11 to rotate, thereby driving the output end of the rotating device 11 to drive the two connected axles 12 to turn.

[0034] When implementing it, Figure 2 As shown, oil cylinders 14 are provided on both sides of the input end of the rotary device 11; the output end of the rotary device 11 is connected to two axles 12; the oil cylinder 14 drives the input end of the rotary device 11 to rotate, thereby driving the output end of the rotary device 11 to drive the two connected axles 12 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.

[0035] Furthermore, the two axles 12 are connected to the output end of the rotating device 11 through a suspension 15 .

[0036] When implementing it, Figure 1As shown, the two axles 12 are connected to the output end of the slewing device 11 through the suspension 15. In this embodiment, the suspension 15 is arranged between the slewing device 11 and the axle 12, and the suspension 15 absorbs the vibration generated by the uneven road surface during the vehicle driving, and reduces the transmission of these vibrations to the frame and the body, thereby reducing the impact of the uneven road surface on the transportation of steel. Preferably, the suspension 12 is a leaf spring suspension.

[0037] Furthermore, a thrust rod structure 16 is provided in the middle of the suspension 15; the thrust rod structure 16 is connected to the two axles 12 respectively; Figure 3 As shown, the thrust rod structure 16 includes a connecting portion 162 extending to the bottom of the suspension 15; the two sides of the connecting portion 162 are respectively hinged to one end of two push rods 161, and the other end of the push rod 161 includes but is not limited to being hinged to the adjacent axle 12 through the existing skateboard support structure; in this embodiment, the structural design of the thrust rod structure 16 makes the steering control of the slewing device 11 more stable and precise.

[0038] Furthermore, the chassis frame 10 is provided with a cab installation area 17 ; the cab installation area 17 is used for detachably connecting with the cab 18 .

[0039] When implementing it, Figure 1 As shown, the chassis frame 10 is provided with a cab installation area 17; a mounting structure for mounting a cab 18 is provided in the cab installation area 17; and a detachable connection with the cab 18 is achieved through the mounting structure. The mounting structure includes but is not limited to detachable connection structures such as bolts.

[0040] Preferably, the installation structure of the cab installation area 17 is a twist-lock structure (not marked in the figure), and the cab 18 is detachably installed on the cab installation area 17 through the twist-lock structure; the twist-lock structure is an existing quick-release structure and will not be described in detail here.

[0041] Most of the existing unmanned vehicles are without a cab, or the cab is fixedly installed, and the user cannot install the cab according to actual use needs. In this embodiment, by designing the cab 18 as a detachable structure, the user can install the cab according to actual use needs, which can meet more user needs.

[0042] Furthermore, a baffle 19 is provided between the cab installation area 17 and the saddle 13 .

[0043] When implementing it, Figure 1 As shown, a baffle 19 is provided between the cab installation area 17 and the saddle 13. When the steel coil 20 falls off due to emergency braking, the baffle 19 can prevent the steel coil 20 from moving toward the cab installation area 17, thereby ensuring the personal safety of the driver in the cab 18.

[0044] The embodiment of the utility model also provides an unmanned transport vehicle for steel mills, which adopts any of the above-described new double-rotating double-bridge chassis structures for steel mills.

[0045] Furthermore, it also includes a cab 18 ; the chassis frame 10 is provided with a cab installation area 17 ; the cab 18 is detachably connected to the cab installation area 17 .

[0046] The unmanned steel mill 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 11, 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 steel mill transport 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 signals from the sensor system and / or positioning GPS, and controls the drive and braking systems of the vehicle drive device, steering axle and / or slewing support device 126 to start or stop, steer, brake, etc. as needed; controlling the vehicle driving according to the set program through 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.

[0047] 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 double-swing double-bridge chassis structure for steel mills, characterized by: The invention comprises a chassis frame (10), a slewing device (11), an axle (12) and a saddle (13), wherein: The upper side of the chassis frame (10) is provided with a saddle (13), and the lower side is provided with two rotating devices (11); the bottom of each rotating device (11) is provided with two axles (12); The saddle (13) is used to fix the steel material; Driving the slewing device (11) can drive the two axles (12) connected thereto to slew.

2. The new double-revolving double-bridge chassis structure for steel mills according to claim 1 is characterized by: The slewing device (11) is a slewing bearing.

3. The new double-revolving double-bridge chassis structure for steel mills according to claim 2 is characterized by: Oil cylinders (14) are respectively provided on both sides of the input end of the rotating device (11); the output end of the rotating device (11) is connected to two axles (12); The oil cylinder (14) drives the input end of the rotating device (11) to rotate, thereby driving the output end of the rotating device (11) to drive the two connected axles (12) to turn.

4. The new double-revolving double-bridge chassis structure for steel mills according to any one of claims 1 to 3, characterized in that: The two axles (12) are connected to the output end of the rotating device (11) via a suspension (15).

5. The new double-revolving double-bridge chassis structure for steel mills according to claim 4 is characterized by: A thrust rod structure (16) is provided in the middle of the suspension (15); the thrust rod structure (16) is respectively connected to the two axles (12).

6. The new double-revolving double-bridge chassis structure for steel mills according to claim 1 is characterized by: The chassis frame (10) is provided with a cab installation area (17); the cab installation area (17) is used for detachable connection with the cab (18).

7. The new double-revolving double-bridge chassis structure for steel mills according to claim 6 is characterized by: A baffle (19) is provided between the cab installation area (17) and the saddle (13).

8. An unmanned steel mill transport vehicle, characterized in that: A new type of double-revolving double-bridge chassis structure for steel mills as described in any one of claims 1 to 7 is adopted.

9. The unmanned steel mill transport vehicle according to claim 8, characterized in that: It also includes a cab (18); the chassis frame (10) is provided with a cab installation area (17); the cab (18) is detachably connected to the cab installation area (17).

Images