Adjustable steering angle high-strength electric wheel for handling vehicle

Abstract

The utility model discloses a high -strength carrier electric wheel of adjustable steering angle, including mounting seat, install the electric wheel subassembly of mounting seat lower part, the steering device of fixed mounting on the upper portion of mounting seat and play the steering effect, the connecting frame of connecting each component of steering device, the mounting fixed plate of playing the installation fixed effect, steering device can change the extension movement of hydraulic cylinder into the rotation of gear wheel. The utility model discloses through setting steering device, makes carrier electric wheel by traditional manual realizes hydraulic power steering, when the goods loading is more, can be lighter and easier to complete steering work, through setting angle adjusting device, the maximum steering angle of carrier electric wheel is limited and adjusted, can prevent the danger caused by too big steering angle.

Description

Technical Field

[0001] This utility model relates to the field of electric wheels for transport vehicles, and in particular to a high-strength electric wheel for transport vehicles with adjustable steering angle. Background Technology

[0002] With the rise of the logistics industry, the management of logistics goods has become increasingly important. In this process, handling vehicles play a crucial role and have become indispensable tools. Due to their compact size and flexibility, handling vehicles are widely used. The use of handling vehicles not only improves logistics efficiency but also ensures the safe and smooth transportation of goods. Therefore, it can be said that handling vehicles play a vital role in the logistics industry and in the management of goods.

[0003] Most existing pallet trucks require manual steering by workers, which is quite strenuous when handling heavy goods. Utility Model Content

[0004] The purpose of this utility model is to provide a high-strength electric wheel for a transport vehicle with adjustable steering angle, so as to solve the technical problems existing in the prior art.

[0005] To achieve the above objectives, the specific technical solution of this utility model is as follows:

[0006] A high-strength electric wheel for a transport vehicle with adjustable steering angle includes a mounting base, an electric wheel assembly mounted on the lower part of the mounting base, a steering device fixedly mounted on the upper part of the mounting base for steering, a connecting frame connecting the various components of the steering device, and a mounting plate for mounting and fixing. The steering device can convert the extension and retraction motion of a hydraulic cylinder into the rotation of gears.

[0007] Preferably, the steering device includes a hydraulic cylinder, the piston rod of which passes through a guide block and is fixedly connected to a connector; one end of the connector is connected to the piston rod and the other end is connected to a rack, the upper part of the rack is provided with a second guide groove, and the lower part is formed with a first guide strip, the second guide groove can cooperate with the second guide strip fixedly installed on the connecting frame and slide relative to it, and the first guide strip can cooperate with the first guide groove opened on the connecting frame and slide relative to it.

[0008] Preferably, the rack can mesh with the steering gear, and when the rack slides left and right, it can drive the steering gear to rotate; the steering gear is fixedly connected to the rotating shaft, and when the steering gear rotates, it can drive the rotating shaft to rotate; the rotating shaft is rotatably connected to the connecting frame through a bearing, and is fixedly connected to the top plate of the mounting base.

[0009] Preferably, an angle adjustment device is fixedly installed on the rotating shaft. The angle adjustment device is provided with two limit bars at a certain angle to limit the maximum steering angle. An adjustment bolt is installed on the limit bar, and the steering angle can be adjusted by rotating the adjustment bolt.

[0010] Preferably, the connecting frame includes an upper connecting plate and a lower connecting plate. The upper connecting plate and the lower connecting plate are provided with mounting holes in the middle for the rotating shaft to pass through. The shaft is rotatably connected to the shaft through bearings. An angle adjustment device is fixedly installed on the rotating shaft between the upper connecting plate and the lower connecting plate to limit and adjust the maximum steering angle.

[0011] Preferably, the upper connecting plate and the lower connecting plate are fixedly connected by an integrally connected vertical plate, and the lower connecting plate extends backward beyond the vertical plate to form a protrusion; a first guide groove is formed at the upper part of the vertical plate, and a locking block is formed at its rear.

[0012] Preferably, the mounting plate includes a fixing plate and a mounting plate. The fixing plate includes an integrally connected vertical plate and a horizontal plate. The lower part of the vertical plate is fixedly connected to the protrusion of the connecting frame by bolts, and its slot engages with the locking block on the connecting frame. The horizontal plate has mounting holes for fixed connection with the frame of the transport vehicle. The mounting plate is a lateral extension of the vertical plate of the fixing plate and is used to install the hydraulic cylinder and the guide block.

[0013] Preferably, the electric wheel assembly includes an electric wheel, which is rotatably mounted between the two side plates of the mounting base, and the surface of the electric wheel has a polyurethane coating layer; a drive motor is mounted on one side plate of the electric wheel for driving the electric wheel; and a gearbox is provided on the other side plate of the drive wheel.

[0014] Preferably, the mounting base includes two side plates for mounting the electric wheel assembly, and a top plate for fixing the shaft of the steering device.

[0015] This utility model has the following advantages:

[0016] 1. This utility model enables the electric wheels of the transport vehicle to be hydraulically powered and steered instead of manually. It is equipped with a steering device including a hydraulic cylinder, piston rod, guide block, connecting piece, rack, second guide groove, first guide bar, second guide bar, steering gear, rotating shaft and angle adjustment device.

[0017] 2. This utility model limits and adjusts the maximum steering angle of the electric wheels of the transport vehicle by setting an angle adjustment device, which includes two limiting strips at a certain angle and an adjusting screw, and is fixedly installed on the rotating shaft. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a front view schematic diagram of the overall structure of this utility model;

[0020] Figure 3 This is a side view of the overall structure of this utility model;

[0021] Figure 4 This is a three-dimensional schematic diagram of the connecting frame of this utility model;

[0022] Figure 5 This is a three-dimensional schematic diagram of the steering device of this utility model;

[0023] Figure 6 This is a three-dimensional schematic diagram of the gear and rack of this utility model;

[0024] Figure 7 This is a three-dimensional schematic diagram of the mounting and fixing plate of this utility model.

[0025] The markings in the diagram are as follows: 10. Electric wheel assembly; 11. Electric wheel; 12. Drive motor; 13. Gearbox; 20. Mounting base; 21. Side plate; 22. Top plate; 30. Connecting frame; 31. Upper connecting plate; 32. Lower connecting plate; 33. Vertical plate; 331. First guide groove; 332. Locking block; 34. Protrusion; 40. Steering device; 41. Hydraulic cylinder; 42. Piston rod; 43. Guide block; 44. Connecting piece; 45. Rack; 451. Second guide groove; 452. First guide bar; 46. Second guide bar; 47. Steering gear; 48. Rotating shaft; 49. Angle adjustment device; 50. Mounting plate; 51. Fixing plate; 52. Mounting plate; 53. Locking groove. Detailed Implementation

[0026] To better understand the purpose, structure, and function of this utility model, the following detailed description of a high-strength electric wheel for a transport vehicle with adjustable steering angle is provided in conjunction with the accompanying drawings.

[0027] like Figure 1-7 As shown, this utility model provides a high-strength electric wheel for a transport vehicle with adjustable steering angle, including a mounting base 20, an electric wheel assembly 10 mounted on the lower part of the mounting base 20, a steering device 40 fixedly mounted on the upper part of the mounting base 20 for steering, a connecting frame 30 connecting the various components of the steering device 40, and a mounting plate 50 for mounting and fixing.

[0028] The steering device 40 includes a hydraulic cylinder 41 that provides steering power. The piston rod 42 of the hydraulic cylinder 41 can extend and retract under hydraulic pressure. A connecting member 44 is fixedly connected to the free end of the piston rod 42. The piston rod 42 passes through a guide block 43 fixedly mounted on a fixed mounting plate 52, providing guidance. One end of the connecting member 44 is connected to the piston rod 42, and the other end is connected to a rack 45. The upper part of the rack 45 has a second guide groove 451, and the lower part forms a first guide strip 452. The second guide groove 451 can engage with and slide relative to a second guide strip 46 fixedly mounted on a connecting frame 30. The first guide strip 452 can engage with a guide strip 46 formed on the connecting frame 30. The first guide groove 331 on the connecting frame 30 forms a fit and slides relative to it; the rack 45 can mesh with the steering gear 47, and when the rack 45 slides left and right, it can drive the steering gear 47 to rotate; the steering gear 47 is fixedly connected to the rotating shaft 48, and when the steering gear 47 rotates, it can drive the rotating shaft 48 to rotate; the rotating shaft 48 is rotatably connected to the connecting frame 30 through a bearing, and it is fixedly connected to the top plate 22 of the mounting base 20; an angle adjustment device 49 is fixedly installed on the rotating shaft 48, and the angle adjustment device 49 is provided with two limit bars at a certain angle to limit the maximum steering angle. The limit bars are equipped with adjustment bolts, and the steering angle can be adjusted by rotating the adjustment bolts.

[0029] The connecting frame 30 includes an upper connecting plate 31 and a lower connecting plate 32. Both the upper connecting plate 31 and the lower connecting plate 32 have mounting holes at their midpoints for the rotating shaft 48 to pass through. The shaft 48 is rotatably connected to the upper connecting plate 31 and the lower connecting plate 32 via bearings. An angle adjustment device 49 is fixedly installed on the rotating shaft 48 between the upper connecting plate 31 and the lower connecting plate 32 to limit and adjust the maximum steering angle. The upper connecting plate 31 and the lower connecting plate 32 are fixedly connected by an integrally connected vertical plate 33. The lower connecting plate 32 extends rearward beyond the vertical plate 33 to form a protrusion 34 for fixing and installing the mounting plate 50. The upper part of the vertical plate 33 has a first guide groove 331 for engaging with a first guide strip 452, and its rear part has a locking block 332 for engaging with a locking groove 53 on the mounting plate 50.

[0030] The mounting plate 50 includes a fixing plate 51 and a mounting plate 52. The fixing plate 51 includes a vertical plate and a horizontal plate integrally connected. The lower part of the vertical plate is fixedly connected to the protrusion 34 of the connecting frame 30 by bolts, and its slot 53 engages with the locking block 332 on the connecting frame 30. The horizontal plate has mounting holes for fixed connection with the frame of the transport vehicle. The mounting plate 52 is a lateral extension of the vertical plate of the fixing plate 51 and is used to install the hydraulic cylinder 41 and the guide block 43.

[0031] The electric wheel assembly 10 includes an electric wheel 11, which is rotatably mounted between the two side plates 21 of the mounting base 20. The surface of the electric wheel 11 has a polyurethane coating layer. A drive motor 12 is mounted on one side plate 21 of the electric wheel 11 to drive the electric wheel 11. A gearbox 13 is provided on the other side plate 21 of the drive wheel.

[0032] The mounting base 20 includes two side plates 21 for mounting the electric wheel assembly 10, and a top plate 22 for fixing the rotating shaft 48 of the steering device 40.

[0033] In use, the steering device 40 is powered by a hydraulic cylinder 41. The piston rod 42 of the hydraulic cylinder can extend and retract under the action of liquid pressure, which drives the rack 45 connected to it to slide left and right. The left and right sliding of the rack 45 can drive the steering gear 47 meshing with it to rotate. The rotation of the gear can cause the rotating shaft 48 fixedly connected to it to rotate. The rotation of the rotating shaft 48 can drive the mounting base 20 fixedly connected to it to rotate, thereby realizing steering. The maximum steering angle is limited and adjusted by the angle adjustment device 49 fixedly installed on the rotating shaft 48.

[0034] The beneficial effects of this utility model are:

[0035] 1. This utility model, by setting a steering device 40 including a hydraulic cylinder 41, piston rod 42, guide block 43, connecting piece 44, rack 45, second guide groove 451, first guide bar 452, second guide bar 46, steering gear 47, rotating shaft 48 and angle adjustment device 49, enables the electric wheels 11 of the transport vehicle to achieve hydraulic power steering instead of traditional manual steering. When the load of goods is large, the steering work can be completed more easily and conveniently.

[0036] 2. This utility model uses an angle adjustment device 49, which is fixedly installed on the rotating shaft 48 and includes two limit bars at a certain angle and an adjusting screw, to limit and adjust the maximum steering angle of the electric wheel 11 of the transport vehicle, thereby preventing the danger caused by excessive steering angle.

[0037] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and 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. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0038] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. 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 an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0039] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A high-strength electric wheel for a transport vehicle with adjustable steering angle, comprising a mounting base (20) and an electric wheel assembly (10) mounted on the lower part of the mounting base (20), characterized in that, It also includes a steering device (40) fixedly installed on the upper part of the mounting base (20) to perform steering function, a connecting frame (30) connecting the various components of the steering device (40), and a mounting plate (50) for installation and fixing function. The steering device (40) can convert the extension and retraction motion of the hydraulic cylinder (41) into the rotation of the gear.

2. The high-strength electric wheel for a transport vehicle with adjustable steering angle according to claim 1, characterized in that, The steering device (40) includes a hydraulic cylinder (41), the piston rod (42) of the hydraulic cylinder (41) passes through the guide block (43) and is fixedly connected to the connector (44); one end of the connector (44) is connected to the piston rod (42) and the other end is connected to the rack (45). The upper part of the rack (45) is provided with a second guide groove (451) and the lower part is formed with a first guide bar (452). The second guide groove (451) can cooperate with the second guide bar (46) fixedly installed on the connecting frame (30) and slide relative to it. The first guide bar (452) can cooperate with the first guide groove (331) opened on the connecting frame (30) and slide relative to it.

3. The high-strength electric wheel for a transport vehicle with adjustable steering angle according to claim 2, characterized in that, The rack (45) can mesh with the steering gear (47), and when the rack (45) slides left and right, it can drive the steering gear (47) to rotate; the steering gear (47) is fixedly connected to the rotating shaft (48), and when the steering gear (47) rotates, it can drive the rotating shaft (48) to rotate; the rotating shaft (48) is rotatably connected to the connecting frame (30) through the bearing, and is fixedly connected to the top plate (22) of the mounting base (20).

4. The high-strength electric wheel for a transport vehicle with adjustable steering angle according to claim 3, characterized in that, An angle adjustment device (49) is fixedly installed on the rotating shaft (48). The angle adjustment device (49) is provided with two limit bars at a certain angle to limit the maximum steering angle. An adjustment bolt is installed on the limit bar. The steering angle can be adjusted by rotating the adjustment bolt.

5. A high-strength electric wheel for a transport vehicle with adjustable steering angle according to claim 4, characterized in that, The connecting frame (30) includes an upper connecting plate (31) and a lower connecting plate (32). The upper connecting plate (31) and the lower connecting plate (32) are provided with mounting holes in the middle for the rotating shaft (48) to pass through the middle and are rotatably connected to the rotating shaft (48) through bearings. An angle adjustment device (49) is fixedly installed on the rotating shaft (48) between the upper connecting plate (31) and the lower connecting plate (32) to limit and adjust the maximum steering angle.

6. The high-strength electric wheel for a transport vehicle with adjustable steering angle according to claim 5, characterized in that, The upper connecting plate (31) and the lower connecting plate (32) are fixedly connected by an integrally connected vertical plate (33). The lower connecting plate (32) extends backward beyond the vertical plate (33) to form a protrusion (34). A first guide groove (331) is formed on the upper part of the vertical plate (33), and a locking block (332) is formed at its rear.

7. A high-strength electric wheel for a transport vehicle with adjustable steering angle according to claim 6, characterized in that, The mounting plate (50) includes a fixing plate (51) and a mounting plate (52). The fixing plate (51) includes a vertical plate and a horizontal plate that are integrally connected. The lower part of the vertical plate is fixedly connected to the protrusion (34) of the connecting frame (30) by bolts. Its slot (53) engages with the locking block (332) on the connecting frame (30). The horizontal plate has mounting holes for fixed connection with the frame of the transport vehicle. The mounting plate (52) is a lateral extension of the vertical plate of the fixing plate (51) and is used to install the hydraulic cylinder (41) and the guide block (43).

8. A high-strength electric wheel for a transport vehicle with adjustable steering angle according to claim 7, characterized in that, The electric wheel assembly (10) includes an electric wheel (11), which is rotatably mounted between two side plates (21) of the mounting base (20). The surface of the electric wheel (11) has a polyurethane coating layer. A drive motor (12) is mounted on one side plate (21) of the electric wheel (11) to drive the electric wheel (11). A gearbox (13) is provided on the other side plate (21) of the drive wheel.

9. A high-strength electric wheel for a transport vehicle with adjustable steering angle according to claim 8, characterized in that, The mounting base (20) includes two side plates (21) for mounting the electric wheel assembly (10) and a top plate (22) for fixing the shaft (48) of the steering device (40).

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