Steering wheel carrier and transport vehicle having the same

Abstract

This utility model provides a steering wheel frame and a transport vehicle having the same. The steering wheel frame includes: a support frame, the bottom end of which is used to cooperate with a connecting axle; a connecting frame, disposed above the support frame, the bottom end of which is hinged to the middle of the support frame, and the top end of which is a support end; and a telescopic adjustment member, the first end of which is hinged to the top end of the support frame, and the second end of which is hinged to the connecting frame. The hinge point between the telescopic adjustment member and the connecting frame is located above the support frame. The technical solution of this application effectively solves the problem in related technologies that the steering wheel frame cannot drive the vehicle body to rise and fall.

Description

Technical Field

[0001] This utility model relates to the field of automated guided vehicles (AGVs), and more specifically, to a steering wheel frame and a transport vehicle having the same. Background Technology

[0002] AGVs (Automated Guided Vehicles) are transport vehicles equipped with electromagnetic or optical automatic guidance devices, enabling them to travel along a predetermined guide path and providing safety protection and various transfer functions. They are widely used in manufacturing, warehousing, post offices, libraries, ports, and airports.

[0003] In existing technology, AGVs include a vehicle body, wheels, and a steering wheel frame. The wheels are connected to the vehicle body via the steering wheel frame, which has a fixed height. The driving force of the wheels can be transmitted to the vehicle body through the steering wheel frame to move the vehicle body. However, when the transport vehicle travels over a sloping surface, the vehicle body will also tilt, causing the cargo on the vehicle body to tilt as well. When the cargo is heavy, the center of gravity of the transport vehicle and the cargo will shift, resulting in significant safety hazards. Utility Model Content

[0004] The main objective of this invention is to provide a steering wheel frame and a transport vehicle having the same, in order to solve the problem in related technologies that the steering wheel frame cannot drive the vehicle body to rise and fall.

[0005] To achieve the above objectives, according to one aspect of the present invention, a steering wheel frame is provided, comprising: a support frame, the bottom end of which is used to cooperate with a connecting bridge; a connecting frame disposed above the support frame, the bottom end of which is hinged to the middle of the support frame, and the top end of which is a support end; and a telescopic adjustment member, the first end of which is hinged to the top end of the support frame, the second end of which is hinged to the connecting frame, and the hinge point between the telescopic adjustment member and the connecting frame being located above the support frame.

[0006] Furthermore, the telescopic adjustment component is a hydraulic cylinder, which includes a cylinder body and a piston rod disposed within the cylinder body. One of the cylinder body and the piston rod is hinged to the top of the support frame, and the other of the cylinder body and the piston rod is hinged to the middle of the connecting frame.

[0007] Furthermore, the support frame includes a first frame and a second frame connected to the first frame. The bottom end of the first frame is engaged with the connecting bridge, the first end of the telescopic adjustment member is hinged to the top end of the second frame, and the hinge point between the bottom end of the connecting frame and the support frame is located at the junction of the top end of the first frame and the bottom end of the second frame.

[0008] Furthermore, the length direction of the second frame forms an acute angle with the horizontal plane.

[0009] Furthermore, the first frame includes a bent plate and a mounting pin connected to the bent plate, the mounting pin being rotatably engaged with the connecting bridge.

[0010] Furthermore, the axis of the mounting pin is perpendicular to the rotation axis of the connecting frame.

[0011] Furthermore, the connecting frame includes a third frame and a sleeve disposed at the bottom end of the third frame. The support frame is provided with a connecting hole, and the steering wheel frame also includes a connecting pin, which passes through the sleeve and the connecting hole.

[0012] Furthermore, the vertical straight line passing through the hinge point between the bottom end of the connecting frame and the support frame is set as the preset straight line l, and the first end and the second end of the telescopic adjustment member are located on both sides of the preset straight line l, respectively.

[0013] According to another aspect of the present invention, a transport vehicle is provided, including a vehicle body and a plurality of mobile support assemblies. Each mobile support assembly includes a mobile wheel mechanism and a slewing support member. Each mobile wheel mechanism includes a connecting bridge, a first wheel, a second wheel, and a steering wheel frame. The first wheel and the second wheel are respectively disposed at both ends of the connecting bridge. Each slewing support member is disposed between the top of the connecting frame of the steering wheel frame and the vehicle body. The support frame in each mobile support assembly is hinged to the connecting bridge. The steering wheel frame is the aforementioned steering wheel frame.

[0014] Furthermore, two movable support components form a support column, and there is at least one support column. The two movable support components in each support column are spaced apart along the length direction of the frame, and the two telescopic adjustment components in each support column are symmetrically arranged. When there are multiple support columns, the multiple support columns are spaced apart along the width direction of the vehicle body.

[0015] The present invention relates to a steering wheel frame comprising a support frame, a connecting frame, and a telescopic adjustment member. The bottom end of the support frame engages with a connecting bridge. The connecting frame is positioned above the support frame. The bottom end of the connecting frame is hinged to the middle of the support frame, and the top end of the connecting frame serves as a support end. Both ends of the telescopic adjustment member are hinged to the support frame and the connecting frame, respectively, with the hinge point between the telescopic adjustment member and the connecting frame located above the support frame. Through this configuration, the support frame can connect to the connecting bridge. The telescopic adjustment member can drive the connecting frame to swing relative to the support frame, thereby enabling the connecting frame to raise and lower the vehicle body. On inclined surfaces, the telescopic adjustment member can drive the top end of the connecting frame to rise, providing longitudinal compensation to the vehicle body, thus allowing the connecting frame to move the vehicle body and maintain its horizontal position. Therefore, the present invention effectively solves the problem in related technologies where the steering wheel frame cannot raise and lower the vehicle body. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0017] Figure 1 A cross-sectional schematic diagram of an embodiment of the steering wheel carrier according to the present invention is shown;

[0018] Figure 2 A three-dimensional structural schematic diagram of a transport vehicle according to the present invention is shown;

[0019] Figure 3 It shows Figure 2 A three-dimensional structural diagram of the mobile support components of the transport vehicle;

[0020] Figure 4 It shows Figure 3 A cross-sectional view of the movable support component.

[0021] The above figures include the following reference numerals:

[0022] 10. Support frame; 11. First frame; 111. Bending plate; 112. Mounting pin; 12. Second frame; 13. Connecting hole; 20. Connecting frame; 21. Third frame; 22. Sleeve; 30. Telescopic adjustment component; 40. Connecting pin; 100. Car body; 110. Moving support assembly; 1101. Moving wheel mechanism; 11011. Connecting bridge; 11012. First wheel; 11013. Second wheel; 1102. Rotary support component. Detailed Implementation

[0023] 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. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0024] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0025] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0026] like Figure 1 As shown, the steering wheel frame of this embodiment includes: a support frame 10, a connecting frame 20, and a telescopic adjustment member 30. The bottom end of the support frame 10 is used to cooperate with the connecting bridge 11011. The connecting frame 20 is disposed above the support frame 10, with its bottom end hinged to the middle of the support frame 10 and its top end serving as a support end. The first end of the telescopic adjustment member 30 is hinged to the top end of the support frame 10, and the second end of the telescopic adjustment member 30 is hinged to the connecting frame 20. The hinge point between the telescopic adjustment member 30 and the connecting frame 20 is located above the support frame 10.

[0027] Using the technical solution of this embodiment, the steering wheel frame includes a support frame 10, a connecting frame 20, and a telescopic adjustment member 30. The bottom end of the support frame 10 is used to cooperate with the connecting bridge 11011. The connecting frame 20 is disposed above the support frame 10. The bottom end of the connecting frame 20 is hinged to the middle of the support frame 10, and the top end of the connecting frame 20 is a support end. The two ends of the telescopic adjustment member 30 are respectively hinged to the support frame 10 and the connecting frame 20, and the hinge point between the telescopic adjustment member 30 and the connecting frame 20 is located above the support frame 10. Through the above arrangement, the support frame 10 can be connected to the connecting bridge 11011. The telescopic adjustment member 30 can drive the connecting frame 20 to swing relative to the support frame 10, thereby the connecting frame 20 can drive the vehicle body 100 to rise and fall. On an inclined road surface, the telescopic adjustment member 30 can drive the top end of the connecting frame 20 to rise, providing longitudinal compensation to the vehicle body 100, so that the connecting frame 20 can drive the vehicle body 100 to move, and the vehicle body 100 can remain level. Therefore, the technical solution of this embodiment effectively solves the problem in the related technology that the steering wheel frame cannot drive the vehicle body to rise and fall.

[0028] like Figure 1As shown, in this embodiment, the telescopic adjustment member 30 is a hydraulic cylinder. The hydraulic cylinder includes a cylinder body and a piston rod disposed within the cylinder body. One of the cylinder body and the piston rod is hinged to the top of the support frame 10, and the other of the cylinder body and the piston rod is hinged to the middle of the connecting frame 20. The hydraulic cylinder can not only drive the connecting frame 20 to swing relative to the support frame 10, but also realize shock absorption between the connecting frame 20 and the support frame 10.

[0029] like Figure 1 As shown, in this embodiment, the support frame 10 includes a first frame 11 and a second frame 12 connected to the first frame 11. The bottom end of the first frame 11 engages with the connecting bridge 11011, and the first end of the telescopic adjustment member 30 is hinged to the top end of the second frame 12. The hinge point between the bottom end of the connecting frame 20 and the support frame 10 is located at the junction of the top end of the first frame 11 and the bottom end of the second frame 12. The arrangement of the first frame 11 and the second frame 12 not only enables the connection of the connecting frame 20 and the telescopic adjustment member 30 with the support frame 10, but also improves the structural strength of the support frame 10.

[0030] like Figure 1 As shown, in this embodiment, the length direction of the second frame 12 forms an acute angle with the horizontal plane. This makes the load-bearing capacity of the support frame 10 better.

[0031] The angle α between the length direction of the second frame 12 and the horizontal plane is greater than or equal to 15° and less than or equal to 45°. Specifically, it can be 15°, 20°, 25°, 28°, 30°, 33°, 35°, 37°, 40°, or 45°. In this embodiment, α is 30°.

[0032] like Figure 1 and Figure 4 As shown, in this embodiment, the first frame 11 includes a bent plate 111 and a mounting pin 112 connected to the bent plate 111. The mounting pin 112 is rotatably engaged with the connecting bridge 11011. The bent plate 111 has better structural strength, which in turn makes the first frame 11 have better structural strength. The rotatable engagement of the mounting pin 112 with the connecting bridge 11011 facilitates the rotation of the first frame 11 relative to the connecting bridge 11011.

[0033] like Figure 1 and Figure 4 As shown, in this embodiment, the axis of the mounting pin 112 is perpendicular to the rotation axis of the connecting frame 20. This allows the first frame 11 to swing relative to the vehicle body 100 in the left-right direction. That is, when the road surface is uneven laterally, the connecting bridge 11011 can swing relative to the vehicle body 100, thereby enabling the movable support assembly 110 to adapt to different road surfaces.

[0034] like Figure 1 and Figure 3As shown, in this embodiment, the connecting frame 20 includes a third frame 21 and a sleeve 22 disposed at the bottom end of the third frame 21. The support frame 10 is provided with a connecting hole 13. The steering wheel frame also includes a connecting pin 40, which passes through the sleeve 22 and the connecting hole 13. The connecting pin 40 can pass through the sleeve 22 and the connecting hole 13, thereby connecting the connecting frame 20 and the support frame 10.

[0035] It should be noted that part of the structure of the connecting hole 13 is located on the first frame 11, and another part is located on the second frame 12. There are two connecting holes 13, which are located on both sides of the support frame 10 in the width direction.

[0036] like Figure 1 As shown, in this embodiment, the vertical line passing through the hinge point between the bottom end of the connecting frame 20 and the support frame 10 is defined as a preset line l, and the first end and the second end of the telescopic adjustment member 30 are located on both sides of the preset line l, respectively. Through the above arrangement, the forces on the telescopic adjustment member 30, the connecting frame 20, and the support frame 10 are more rationally distributed, thereby enabling the telescopic adjustment member 30 to more effectively support the connecting frame 20.

[0037] like Figure 2 and Figure 3 As shown, the transport vehicle of this embodiment includes a vehicle body 100 and multiple movable support assemblies 110. Each movable support assembly 110 includes a movable wheel mechanism 1101 and a slewing support member 1102. Each movable wheel mechanism 1101 includes a connecting bridge 11011, a first wheel 11012, a second wheel 11013, and a steering wheel frame. The first wheel 11012 and the second wheel 11013 are respectively disposed at both ends of the connecting bridge 11011. Each slewing support member 1102 is disposed between the top of the connecting frame 20 of the steering wheel frame and the vehicle body 100. The support frame 10 in each movable support assembly 110 is hinged to the connecting bridge 11011, and the steering wheel frame is the aforementioned steering wheel frame. The movable support assembly 110 can support the vehicle body 100 and drive the vehicle body 100 to move. The steering wheel frame can connect the connecting bridge 11011 to the vehicle body 100. The slewing support 1102 allows the connecting frame 20 to rotate relative to the vehicle body 100 in a vertical direction, thereby enabling the movable support assembly 110 to drive the vehicle body 100 to turn. The telescopic adjustment component 30 of the steering wheel frame can cause the connecting frame 20 to swing relative to the support frame 10, thereby enabling the connecting frame 20 to drive the vehicle body 100 to rise and fall. Transport vehicles with the aforementioned steering wheel frame also have the aforementioned advantages.

[0038] It should be noted that the hydraulic motor drives the slewing support to move.

[0039] like Figure 2 and Figure 3As shown, in this embodiment, two movable support components 110 form a support column, and there is at least one support column. The two movable support components 110 in each support column are spaced apart along the length direction of the vehicle frame. The two telescopic adjustment members 30 in each support column are symmetrically arranged. When there are multiple support columns, they are spaced apart along the width direction of the vehicle body 100. The spaced-apart arrangement of the two movable support components 110 along the length direction of the vehicle frame allows the steering wheel brackets in the movable support components 110 to more effectively support the vehicle body 100. The arrangement of multiple support columns can more effectively support the vehicle body 100 and reduce the load on each movable support component 110.

[0040] The steering wheel frame in this embodiment is a core component of the transport vehicle system, integrating three unique functions: rotation, lifting, and swaying. This effectively reduces the impact of uneven road surfaces on the transport vehicle. The rotation function is achieved through a rotation support, allowing the transport vehicle to maneuver flexibly in confined spaces, easily handling complex logistics routes and improving operational efficiency. For lifting, a hydraulic cylinder is used, allowing for precise height adjustment based on road conditions and operational needs, ensuring stable cargo transport at all times. The swaying function relies on a specially designed swaying structure with mounting pins. When the transport vehicle travels on uneven surfaces, the wheel frame automatically sways, cushioning road impacts and preventing cargo from bumping or being damaged, thus ensuring transport safety. The steering wheel frame significantly enhances the adaptability of transport vehicles under complex road conditions, providing strong support for efficient and reliable logistics transportation.

[0041] In the description of this utility model, it should be understood that "multiple" means two or more. Directional terms such as "front, back, up, down, left, right," "horizontal, vertical, perpendicular, horizontal," and "top, bottom" indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are used solely for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner or outer contours relative to the outline of each component itself.

[0042] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0043] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.

[0044] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A steerable wheel carriage, characterized in that, include: A support frame (10), the bottom end of which is used to cooperate with a connecting bridge (11011); A connecting frame (20) is disposed above the support frame (10). The bottom end of the connecting frame (20) is hinged to the middle part of the support frame (10), and the top end of the connecting frame (20) is a support end. Telescopic adjustment member (30), the first end of which is hinged to the top of the support frame (10), the second end of which is hinged to the connecting frame (20), and the hinge point between the telescopic adjustment member (30) and the connecting frame (20) is located above the support frame (10).

2. The steerable wheel carriage of claim 1, wherein, The telescopic adjustment member (30) is a hydraulic cylinder, which includes a cylinder body and a piston rod disposed in the cylinder body. One of the cylinder body and the piston rod is hinged to the top of the support frame (10), and the other of the cylinder body and the piston rod is hinged to the middle of the connecting frame (20).

3. A steerable wheel carriage according to claim 1 or 2, characterised in that, The support frame (10) includes a first frame (11) and a second frame (12) connected to the first frame (11). The bottom end of the first frame (11) is engaged with the connecting bridge (11011). The first end of the telescopic adjustment member (30) is hinged to the top end of the second frame (12). The hinge point between the bottom end of the connecting frame (20) and the support frame (10) is located at the junction of the top end of the first frame (11) and the bottom end of the second frame (12).

4. The steerable wheel carriage of claim 3, wherein, The length direction of the second frame (12) forms an acute angle with the horizontal plane.

5. The steerable wheel carriage of claim 3, wherein, The first frame (11) includes a bending plate (111) and a mounting pin (112) connected to the bending plate (111), wherein the mounting pin (112) is rotatably engaged with the connecting bridge (11011).

6. The steerable wheel carriage of claim 5, wherein, The axis of the mounting pin (112) is perpendicular to the rotation axis of the connecting frame (20).

7. The steerable wheel carriage of claim 1 or 2, wherein, The connecting frame (20) includes a third frame (21) and a sleeve (22) disposed at the bottom end of the third frame (21). The support frame (10) is provided with a connecting hole (13). The steering wheel frame also includes a connecting pin (40), which passes through the sleeve (22) and the connecting hole (13).

8. The steerable wheel carriage of claim 1 or 2, wherein, The vertical line passing through the hinge point between the bottom end of the connecting frame (20) and the support frame (10) is set as the preset line l, and the first end and the second end of the telescopic adjustment member (30) are located on both sides of the preset line l.

9. A transport vehicle, comprising a vehicle body (100) and a plurality of movable support assemblies (110), each of the movable support assemblies (110) comprising a movable wheel mechanism (1101) and a slewing support member (1102), each of the movable wheel mechanisms (1101) comprising a connecting axle (11011), a first wheel (11012), a second wheel (11013), and a steering wheel frame, wherein the first wheel (11012) and the second wheel (11013) are respectively disposed at both ends of the connecting axle (11011), characterized in that, Each of the slewing support members (1102) is disposed between the top of the connecting frame (20) of the steering wheel frame and the vehicle body (100), and the support frame (10) in each of the moving support assemblies (110) is hinged to the connecting bridge (11011), and the steering wheel frame is the steering wheel frame according to any one of claims 1 to 8.

10. The transportation vehicle of claim 9, wherein, Two of the movable support components (110) form a support column, and there is at least one support column. The two movable support components (110) in each support column are spaced apart along the length direction of the frame. The two telescopic adjustment members (30) in each support column are symmetrically arranged. When there are multiple support columns, the multiple support columns are spaced apart along the width direction of the vehicle body (100).

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