Walking type electric piling car

Abstract

The utility model discloses a walking type electric piling car, and belongs to the technical field of electric piling cars, the walking type electric piling car comprises a car frame, a transmission device and a driving wheel assembly, the transmission device comprises a steering shaft, a back plate and a floating assembly, the back plate is connected with the car frame, the steering shaft is connected with the driving wheel assembly, the back plate is connected with the steering shaft through the floating assembly, and the driving wheel assembly is connected with the driving wheel assembly. The floating assembly comprises a floating frame, two floating rods arranged in a bilateral symmetry mode and floating springs arranged outside the floating rods in a sleeving mode, the steering rod is connected with the floating frame, the floating frame is arranged outside the two floating rods in a sleeving mode, one end of the spring applies force to the back plate, and the other end of the spring acts on the floating frame. The floating frame floats up and down in the axial direction of the floating rod when stressed. And the floating assembly is additionally arranged, damage caused by impact in the driving process is reduced, and the operation comfort of the product is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric stacker, in particular to a walking electric stacker. BACKGROUND

[0002] The electric stacker is a material handling equipment powered by battery and motor, mainly used for loading and unloading, stacking, and short distance transporting of palletized goods. The existing electric stacker is usually composed of a mast system, a control system, a fork and a blocking rack system, a vehicle body system and the like. The vehicle body system is provided with a battery and a hydraulic power pump station, which is controlled by the control system through a hydraulic pipeline to lift or lower the hydraulic cylinder to drive the up and down movement of the goods.

[0003] The related prior art, such as Chinese patent application "walking electric stacker", application number: CN201610300305.3, discloses a walking electric stacker comprising a rear vehicle body, a mast system arranged at the front end of the rear vehicle body, a vehicle frame, a driving system arranged at one side of the bottom of the vehicle frame, a pump station assembly arranged in the middle of the vehicle frame, a balance wheel assembly arranged at the other side of the vehicle frame, a steering system arranged on the driving system, an electric control assembly arranged above the pump station assembly of the vehicle frame, a steering column hingedly arranged on the steering system, a steering handle arranged at the upper end of the steering column, and a battery arranged above the balance wheel assembly of the vehicle frame.

[0004] However, the existing electric stacker still has the following technical problems: when the electric stacker runs on uneven road, the impact may cause damage to the electrical components such as the driving wheel, and the shock absorption effect of the prior art design is limited. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the present application is to provide a walking electric stacker, which adds a floating assembly to reduce the damage caused by impact during running and improve the operation comfort of the product.

[0006] The technical scheme adopted by the present application is as follows: a walking electric stacker comprises a vehicle frame, a transmission device and a driving wheel assembly, the transmission device comprises a steering shaft, a back plate and a floating assembly, the back plate is connected with the vehicle frame, the steering shaft is connected with the driving wheel assembly, the back plate is connected with the steering shaft through the floating assembly, the floating assembly comprises a floating frame, two floating rods arranged symmetrically left and right, and a floating spring sleeved outside the floating rods, the steering shaft is connected with the floating frame, the floating frame is sleeved outside the two floating rods, one end of the spring applies force to the back plate, the other end of the spring acts on the floating frame, and the floating frame floats up and down along the axial direction of the floating rod under force.

[0007] Compared with the prior art, the application has the advantages that the walking electric stacker truck can effectively reduce the impact caused by uneven road surface during driving by adding the floating assembly. This design can reduce the damage to the driving wheel and other key components, prolong the service life of the equipment. Due to the presence of the floating assembly, the electric stacker truck can maintain good performance under different ground conditions, and has stronger adaptability. This has important practical significance for material handling equipment that needs to work in various environments. The design of the floating frame and the floating spring enables the vehicle body to better adapt to ground changes during driving, providing a smoother operation experience. This can significantly reduce the fatigue of the operator during use and improve work efficiency. The design of the technical solution of the application is relatively simple, mainly realized by the combination of the floating frame, the floating rod and the floating spring, without the need for complex mechanical structures. This makes the manufacturing and maintenance costs lower, suitable for large-scale production and promotion.

[0008] In some embodiments of the application, the upper end of the steering shaft is connected to the steering system, and the lower end of the steering shaft is connected to the driving wheel assembly. The steering system works to drive the steering shaft to rotate, and the steering shaft drives the driving wheel to rotate. By directly connecting the steering shaft to the driving wheel assembly, the action of the steering system can be quickly and effectively transmitted to the driving wheel. This design reduces energy loss during power transmission and improves overall work efficiency. The operator can more accurately control the driving direction of the electric stacker truck.

[0009] In some embodiments of the application, the floating frame is provided with a mounting pipe, a deep groove ball bearing is mounted on the inner wall surface of the mounting pipe at the upper end, and a tapered roller bearing is arranged on the inner wall surface of the mounting pipe at the lower end. The steering shaft passes through the deep groove ball bearing and the tapered roller bearing. The combination of the deep groove ball bearing and the tapered roller bearing can effectively reduce the friction resistance of the steering shaft. This low-friction feature makes the steering system operate more smoothly, improving the overall control performance.

[0010] In some embodiments of the application, the mounting pipe is composed of the floating frame, and the mounting pipe is integrally formed with the floating frame. The floating frame is provided with a reinforcing sheet connecting the floating frame and the mounting pipe. By integrally forming the mounting pipe with the floating frame, the number of connection points and potential weak points is reduced, thereby improving the strength and stability of the overall structure. The reinforcing sheet can further improve the stability of the structure, disperse the load, and reduce local stress concentration.

[0011] In some embodiments of the application, the back plate is provided with an upper fixed block and a lower fixed block spaced apart from each other. The top of the floating rod passes through the upper fixed block, and the top of the floating rod is provided with a limiting block. The bottom of the floating rod passes through the lower fixed block, and the bottom of the floating rod is provided with a limiting block. By providing limiting blocks at the top and bottom of the floating rod, the position of the floating rod is limited, preventing the floating rod from being pulled out due to excessive force.

[0012] In some embodiments of the present application, the floating frame is provided with two mounting holes corresponding to two floating rods, the floating rods are fixedly connected with the floating frame through the mounting holes, and the floating frame drives the floating rods to move up and down under stress. The fixed connection of the floating frame and the floating rods can effectively distribute the load and avoid local stress concentration. This design can improve the carrying capacity of the overall structure and ensure safety when carrying heavy objects. When the floating frame is stressed, it drives the two floating rods to move up and down, which can effectively reduce the vibration and impact of the vehicle body during driving and enhance the stability of the equipment. This is beneficial to the safety of the operator and the service life of the equipment.

[0013] In some embodiments of the present application, the upper end face and the lower end face of the mounting hole are provided with a convex ring. The convex ring structure is used to strengthen the structural strength at this point. The design of the convex ring can effectively increase the edge strength of the mounting hole, avoiding deformation or rupture under stress. This enhanced structural strength can improve the durability and reliability of the overall equipment.

[0014] In some embodiments of the present application, the upper fixed block or the lower fixed block is connected with the adjusting plate through a bolt assembly, the adjusting plate is located between the upper fixed block and the lower fixed block, and the floating rod passes through the adjusting plate. The adjusting plate moves up and down along the axial direction of the floating rod under stress. Through the design of the adjusting plate, the height of the floating rod can be adjusted, so that the equipment can adapt to different working environments and load requirements. This flexibility improves the application range and operation convenience of the equipment.

[0015] In some embodiments of the present application, the bolt assembly includes two adjusting bolts on the left and right, the adjusting bolts are threadedly connected with the adjusting plate, rotating the adjusting bolts drives the adjusting plate to move up and down along the floating rod, and the movement of the adjusting plate changes the force of the floating spring on the floating frame. The design of the adjusting bolt allows the user to accurately control the position of the adjusting plate, so as to finely adjust the force of the floating spring on the floating frame. This precise adjustment capability enables the equipment to be optimized according to different loads and working conditions, improving the operation flexibility.

[0016] In some embodiments of the present application, one end of the floating spring abuts against the adjusting plate, the other end of the floating spring abuts against the floating plate, and the floating spring is in a compressed state. The compressed state of the floating spring can effectively absorb the impact and vibration from the ground, providing a smoother operation experience. This design is particularly important for electric stackers driving on uneven ground, which can reduce the impact on the equipment and the operator.

[0017] On the basis of conforming to the common sense in the art, the above-mentioned embodiments can be combined arbitrarily. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further described in conjunction with the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only for the purpose of explaining the preferred embodiments and thus should not be taken as limiting the scope of the present application. In addition, the drawings only schematically represent the composition or configuration of the described objects and can contain exaggerated displays, unless specifically indicated, and the drawings are not necessarily drawn to scale.

[0019] Figure 1 is a structural schematic diagram of the present application;

[0020] Figure 2 is a structural schematic diagram of the transmission device of the present application;

[0021] Figure 3 is a structural schematic diagram of the transmission device of the present application;

[0022] Figure 4 is a sectional view of AA section in Figure 3

[0023] Figure 5 is a sectional view of BB section in Figure 3

[0024] wherein the reference numerals are specifically explained as follows: 1, frame; 2, transmission device; 3, driving wheel assembly; 4, steering shaft; 5, back plate; 7, floating frame; 8, floating rod; 9, floating spring; 10, steering system; 11, mounting pipe; 12, deep groove ball bearing; 13, tapered roller bearing; 14, upper fixed block; 15, lower fixed block; 16, limiting block; 17, mounting hole; 18, convex ring; 19, adjusting plate; 20, adjusting bolt. DETAILED DESCRIPTION

[0025] The present application will be further described in conjunction with the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only for the purpose of explaining the preferred embodiments and thus should not be taken as limiting the scope of the present application. In addition, the drawings only schematically represent the composition or configuration of the described objects and can contain exaggerated displays, unless specifically indicated, and the drawings are not necessarily drawn to scale.

[0026] The present application will be further described in conjunction with the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only for the purpose of explaining the preferred embodiments and thus should not be taken as limiting the scope of the present application. In addition, the drawings only schematically represent the composition or configuration of the described objects and can contain exaggerated displays, unless specifically indicated, and the drawings are not necessarily drawn to scale.

[0027] The present application will be further described in conjunction with the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only for the purpose of explaining the preferred embodiments and thus should not be taken as limiting the scope of the present application. In addition, the drawings only schematically represent the composition or configuration of the described objects and can contain exaggerated displays, unless specifically indicated, and the drawings are not necessarily drawn to scale. Figures 1 to 3 ​​As shown, the vehicle includes a frame 1, a transmission device 2, and a drive wheel assembly 3. The transmission device 2 includes a steering shaft 4, a back plate 5, and a floating assembly. The back plate 5 is connected to the frame 1, the steering shaft 4 is connected to the drive wheel assembly 3, and the back plate 5 is connected to the steering shaft 4 via the floating assembly. By adding the floating assembly, the pedestrian-operated electric stacker truck can effectively reduce the impact caused by uneven road surfaces during travel. This design can reduce damage to key components such as the drive wheels and extend the service life of the equipment. Due to the presence of the floating assembly, the electric stacker truck can maintain good performance under different ground conditions, making it more adaptable. This has important practical significance for material handling equipment that needs to operate in various environments.

[0028] The floating assembly includes a floating frame 7, two symmetrically arranged floating rods 8, and floating springs 9 sleeved on the floating rods 8. The steering shaft is connected to the floating frame 7, which is sleeved on the two floating rods. One end of the spring applies force to the back plate 5, and the other end acts on the floating frame 7. The floating frame 7, under this force, floats up and down along the axial direction of the floating rods 8. The design of the floating frame 7 and floating springs 9 allows the vehicle body to better adapt to changes in ground conditions during driving, providing a smoother operating experience. This significantly reduces operator fatigue and improves work efficiency. The technical solution of this application is relatively simple, mainly achieved through the combination of the floating frame 7, floating rods 8, and floating springs 9, without the need for complex mechanical structures. This results in lower manufacturing and maintenance costs, making it suitable for large-scale production and promotion.

[0029] Example 2, as Figures 1 to 5 As shown, the upper end of the steering shaft 4 is connected to the steering system 10, and the lower end of the steering shaft 4 is connected to the drive wheel assembly 3. The steering system 10 rotates the steering shaft 4, which in turn rotates the drive wheels. By directly connecting the steering shaft 4 to the drive wheel assembly 3, the movement of the steering system 10 can be quickly and effectively transmitted to the drive wheels. This design reduces energy loss during power transmission and improves overall work efficiency. Operators can also more precisely control the direction of travel of the electric stacker truck.

[0030] The floating frame 7 is equipped with a mounting tube 11. A deep groove ball bearing 12 is mounted on the upper end of the inner wall of the mounting tube 11, and a tapered roller bearing 13 is mounted on the lower end of the inner wall of the mounting tube 11. The steering shaft 4 passes through both the deep groove ball bearing 12 and the tapered roller bearing 13. The combined design of the deep groove ball bearing 12 and the tapered roller bearing 13 effectively reduces the frictional resistance of the steering shaft 4. This low-friction characteristic makes the steering system 10 smoother to operate and improves the overall handling performance.

[0031] The mounting pipe 11 is integrally formed with the floating frame 7, and the mounting pipe 11 is provided with a reinforcing sheet, and the reinforcing sheet connects the floating frame 7 and the mounting pipe 11. By integrally forming the mounting pipe 11 with the floating frame 7, the connection points and potential weak points are reduced, thereby improving the strength and stability of the overall structure. The reinforcing sheet can further improve the stability of the structure, disperse the load, and reduce local stress concentration.

[0032] The upper and lower fixed blocks 14 and 15 are arranged on the back plate 5 in an interval, the floating rod 8 passes through the upper fixed block 14 at the top, and the top of the floating rod 8 is provided with a limiting block 16, the bottom of the floating rod 8 passes through the lower fixed block 15, and the bottom of the floating rod 8 is provided with a limiting block 16. By arranging the limiting block 16 at the top and bottom of the floating rod 8, the position of the floating rod 8 is limited, and the floating rod 8 is prevented from being pulled out due to excessive force.

[0033] The floating frame 7 is provided with two mounting holes 17 corresponding to the two floating rods 8, the floating rods 8 are fixedly connected with the floating frame 7 through the mounting holes 17, and the floating frame 7 drives the floating rods 8 to move up and down under stress. The fixed connection of the floating frame 7 and the floating rod 8 can effectively distribute the load and avoid local stress concentration. This design can improve the carrying capacity of the overall structure and ensure safety when carrying heavy objects. When the floating frame 7 is stressed, it drives the two floating rods 8 to move up and down, which can effectively reduce the vibration and impact of the vehicle body during driving and enhance the stability of the equipment. This is beneficial to the safety of the operator and the service life of the equipment.

[0034] The upper end face and the lower end face of the mounting hole 17 are provided with a convex ring 18. The convex ring 18 is arranged to strengthen the structural strength at this position. The design of the convex ring 18 can effectively increase the edge strength of the mounting hole 17, and avoid deformation or rupture under stress. This enhanced structural strength can improve the durability and reliability of the overall equipment.

[0035] The upper fixed block 14 or the lower fixed block 15 is connected with the adjusting plate 19 through a bolt assembly, the adjusting plate 19 is located between the upper fixed block 14 and the lower fixed block 15, the floating rod 8 passes through the adjusting plate 19, and the adjusting plate 19 moves up and down along the axial direction of the floating rod 8 under stress. Through the design of the adjusting plate 19, the height of the floating rod 8 can be adjusted, so that the equipment can adapt to different working environments and load requirements. This flexibility improves the application range and operation convenience of the equipment.

[0036] The bolt assembly includes two adjusting bolts 20, which are threaded with the adjusting plate 19. Rotating the adjusting bolts 20 drives the adjusting plate 19 to move up and down along the floating rod 8, and the movement of the adjusting plate 19 changes the force applied by the floating spring 9 to the floating frame 7. The design of the adjusting bolts 20 allows users to precisely control the position of the adjusting plate 19, so that the force applied by the floating spring 9 to the floating frame 7 can be finely adjusted. This precise adjustment capability enables the device to be optimized according to different loads and working conditions, improving the operational flexibility.

[0037] One end of the floating spring 9 is against the adjusting plate 19, and the other end of the floating spring 9 is against the floating plate. The floating spring 9 is in a compressed state. The compressed state of the floating spring 9 can effectively absorb the impact and vibration from the ground, providing a smoother operating experience. This design is particularly important for electric stackers that travel on uneven ground, reducing the impact on the device and the operator.

[0038] The rest of the embodiment two is the same as the embodiment one.

[0039] The above has been described in detail, and the principles and implementation modes of the present application have been described by applying specific examples. The above description of the embodiments is only to help understand the present application and the core idea. It should be noted that for ordinary skilled persons in the technical field, without departing from the principles of the present application, the present application can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A walkie-stacker characterized in that, The utility model provides a kind of steering system, including frame (1), transmission (2) and drive wheel assembly (3), the transmission (2) includes steering shaft (4), backplate (5) and floating component, the backplate (5) is connected with frame (1), the steering shaft (4) is connected with drive wheel assembly (3), the backplate (5) is connected with steering shaft (4) by floating component, the floating component includes floating frame (7), two floating rods (8) of left and right symmetry and the floating spring (9) of floating rod (8) outside sleeve, the steering shaft is connected with floating frame (7), floating frame (7) sleeve is set in two floating rods, the spring one end exerts force to backplate (5), and the other end of spring acts on floating frame (7), and floating frame (7) is forced then along the axial up and down of floating rod (8) floating.

2. The walkie stacker truck according to claim 1, wherein The upper end of the steering shaft (4) is connected with the steering system (10), and the lower end of the steering shaft (4) is connected with the drive wheel assembly (3). The steering system (10) works to drive the steering shaft (4) to rotate, and the steering shaft (4) rotates to drive the drive wheel to rotate.

3. The walkie stacker truck of claim 1, wherein, The floating frame (7) is provided with a mounting pipe (11), the inner wall surface of the mounting pipe (11) is provided with a deep groove ball bearing (12) at the upper end, and the inner wall surface of the mounting pipe (11) is provided with a tapered roller bearing (13) at the lower end. The steering shaft (4) passes through the deep groove ball bearing (12) and the tapered roller bearing (13).

4. The electric walkie stacker truck according to claim 3, wherein The mounting pipe (11) is extended from the floating frame (7) and is integrally formed with the floating frame (7). The floating frame (7) is provided with a reinforcing sheet connected with the floating frame (7) and the mounting pipe (11).

5. The walkie stacker truck of claim 1, wherein, The backplate (5) is provided with an upper fixed block (14) and a lower fixed block (15) at intervals. The top of the floating rod (8) passes through the upper fixed block (14), and the top of the floating rod (8) is provided with a limiting block (16). The bottom of the floating rod (8) passes through the lower fixed block (15), and the bottom of the floating rod (8) is provided with a limiting block (16).

6. The walkie stacker truck of claim 1, wherein, The floating frame (7) is provided with two mounting holes (17) corresponding to the two floating rods (8). The floating rod (8) is fixedly connected with the floating frame (7) through the mounting hole (17). The floating frame (7) is forced to move up and down along with the floating rod (8).

7. The electric walk behind stacker according to claim 6, characterized in that The upper end surface and the lower end surface of the mounting hole (17) are provided with a convex ring (18).

8. The walkie stacker truck of claim 5, wherein, The upper fixed block (14) or the lower fixed block (15) is connected with an adjusting plate (19) through a bolt assembly. The adjusting plate (19) is located between the upper fixed block (14) and the lower fixed block (15). The floating rod (8) passes through the adjusting plate (19). The adjusting plate (19) is forced to move up and down along the axial direction of the floating rod (8).

9. The electric walkie stacker truck of claim 8, wherein, The bolt assembly includes two adjusting bolts (20). The adjusting bolt (20) is threadedly connected with the adjusting plate (19). Rotating the adjusting bolt (20) drives the adjusting plate (19) to move up and down along the floating rod (8). The movement of the adjusting plate (19) changes the force exerted by the floating spring (9) on the floating frame (7).

10. The walkie-stacker truck of claim 7, wherein, The floating spring (9) is abutted against the adjusting plate (19) at one end and abutted against the floating plate at the other end, and the floating spring (9) is in a compressed state.

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