A stand-up tractor

Abstract

The invention discloses a standing tractor, which comprises a chassis, a tail frame is arranged at the rear end of the chassis, a head assembly is arranged at the front end of the chassis, a cockpit is formed between the head assembly and the tail frame, a traction device is arranged on one side of the tail frame, a bench is arranged on the other side corresponding to the tail frame, the bench is rotatably connected to the tail frame, the bench is located on one side of the cockpit, two foot pedals are arranged on the other side corresponding to the cockpit, and the foot pedals are rotatably connected to the head assembly. The invention has the beneficial effects of being convenient for drivers to work in a standing or sitting position, and meeting the needs of different people.

Description

Technical Field

[0001] The present invention relates to the technical field related to traction equipment, in particular to a standing tractor. Background Art

[0002] At present, in industrial production and logistics transportation, it is often necessary to transfer goods from one place to another, and forklifts are the most commonly used. However, forklifts are large in size and heavy in weight, and are not suitable for transporting large and long goods; such goods are usually transported by tractors, which are widely used as a transport tool in the field of industrial production.

[0003] However, the traditional tractor requires the driver to stand only, which is not conducive to long-term operation of the driver and easily causes fatigue, which is likely to lead to mistakes in work. Summary of the invention

[0004] The present invention aims to overcome the deficiency of the prior art that the tractor can only be used for standing, and provides a standing tractor which can be used for both sitting and standing.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A standing tractor comprises a chassis, a tail frame is provided at the rear end of the chassis, a head assembly is provided at the front end of the chassis, a cockpit is formed between the head assembly and the tail frame, a traction device is provided on one side of the tail frame, a bench is provided on the other side corresponding to the tail frame, the bench is rotatably connected to the tail frame, the bench is located on one side of the cockpit, two foot pedals are provided on the other side corresponding to the cockpit, and the foot pedals are rotatably connected to the head assembly.

[0007] The rear end of the chassis is provided with a tail frame, the front end of the chassis is provided with a head assembly, a cockpit is formed between the head assembly and the tail frame, a traction device is provided on one side of the tail frame, a bench is provided on the other side corresponding to the tail frame, the bench is rotatably connected to the tail frame, the bench is located on one side of the cockpit, two foot pedals are provided on the other side corresponding to the cockpit, and the foot pedals are rotatably connected to the head assembly. The goods are loaded on the pallet truck, and the pallet truck is connected to the tractor through the traction device for transportation, which is convenient and fast, and improves work efficiency; the bench is rotatably connected to the tail frame, when the driver needs to rest his legs due to leg inconvenience or long-term standing, he only needs to open the bench and sit on the bench to work, and at the same time open the foot pedal to put his feet on it, which can improve the comfort of the driver's legs when working, thereby facilitating work efficiency; when the driver needs to stand to work, the driver only needs to turn the bench and the foot pedal again to retract them, which is also conducive to increasing the operating space, thereby achieving the purpose of both sitting and standing.

[0008] Preferably, the two pedals are symmetrically distributed, and a rotating shaft 1 is provided on the pedals, one end of the rotating shaft 1 is fixedly connected to one of the pedals, and the other end of the rotating shaft 1 is fixedly connected to the other pedal, and the pedal is rotatably connected to the machine head assembly via the rotating shaft 1. This design is conducive to the rotating shaft 1 driving the two pedals to be rotatably connected to the machine head assembly at the same time, so that the driver only needs to operate once when folding or opening the pedals, and there is no need to operate the two pedals separately, which saves time and effort.

[0009] Preferably, the tail frame is provided with two rotating plates, which are symmetrically distributed on the left and right, and the rotating plate is fixedly connected to the tail frame, and the rotating plate is perpendicular to the chassis, and a support plate is provided between the two rotating plates, and the bench is installed on the support plate, and a trigger switch is provided on the support plate, and the trigger switch is located between the bench and the support plate, and folding plates are provided on the left and right sides of the support plate, and the folding plates are perpendicular to the support plates, and one end of the folding plate is fixedly connected with a second rotating shaft, and the support plate is rotatably connected to the top end of the rotating plate through the second rotating shaft on the folding plate, and the other end of the folding plate is provided with a rectangular hole and a limiting mechanism The rectangular hole is parallel to the length direction of the folding plate, a supporting mechanism matching the limiting mechanism is provided in the rectangular hole, two ends of the limiting mechanism are rotatably connected to the two folding plates respectively, one end of the supporting mechanism is rotatably connected to the bottom end of the rotating plate, and the other end of the supporting mechanism is slidably connected to the folding plate through the rectangular hole, sprocket 1 is provided on both the rotating shaft 1 and the rotating shaft 2, a transmission assembly matching the sprocket 1 is provided in the chassis, one end of the transmission assembly passes through the front end of the chassis and is transmission-connected to the sprocket 1 on the rotating shaft 1, and the other end of the transmission assembly passes through the rear end of the chassis and is transmission-connected to the sprocket 1 on the rotating shaft 2. The seat is installed on the support plate, which is convenient for the driver to indirectly fold or open the seat by adjusting the support plate, and the design is reasonable; the support mechanism supports the seat when it is opened, and the limiting mechanism limits the support mechanism at this time. When the seat is folded, the limiting mechanism is separated from the support mechanism, and while one end of the support mechanism rotates, the other end drives the seat on the support plate to flip downward by cooperating with the rectangular hole, and the design is reasonable; when the seat is folded or opened, the second shaft rotates and drives the first shaft to rotate at the same time through the transmission assembly on the sprocket one, so that the two foot pedals on the first shaft are folded or opened at the same time, so that the driver only needs to perform one operation to achieve the simultaneous folding or opening of the seat and the foot pedal, which saves time and effort.

[0010] Preferably, the transmission assembly includes a chain matching sprocket one and a control assembly, the chain is an annular structure composed of several chain links connected end to end in sequence, the chain is U-shaped, a cavity is provided in the chassis, the bottom end of the chain is located in the cavity, one side of the open end of the chain passes through the front end of the cavity and meshes with sprocket one on rotating shaft one, the other side corresponding to the open end of the chain passes through the rear end of the cavity and meshes with sprocket one on rotating shaft two, four support rods corresponding to the position of the bent part of the chain are provided in the cavity, one end of the support rod is fixedly connected to the side wall of the cavity, the other end of the support rod is provided with a tensioning wheel matching the chain, the tensioning wheel is rotatably connected to the support rod, a groove is provided on the chassis, the groove is located on the side of the chain, one end of the control assembly is located in the groove, and the other end of the control assembly passes through the side wall of the groove and matches the chain. The first shaft is connected to the second shaft through a chain, and the bending part of the chain is tensioned by a tensioning wheel, so that the footrest can be folded or opened at the same time as the seat is folded or opened. The design is reasonable and easy to operate, thereby improving work efficiency. The control component is located in a groove on the chassis, so that the driver can directly operate the control component with the sole of his foot during operation, thereby controlling the folding or opening of the seat and the footrest by controlling the rotation direction of the chain, thereby improving work efficiency.

[0011] Preferably, the control assembly includes a control shaft and a control pedal, one end of the control shaft is rotatably connected to one side of the groove, the other end of the control shaft passes through the other side corresponding to the groove, and is provided with a sprocket wheel 2 matching the chain, the control shaft is detachably connected to the sprocket wheel 2, the control pedal is located in the groove, the bottom center of the control pedal is fixedly connected to the control shaft, and the top center of the control pedal is provided with a pedal switch. When the driver steps on the front end of the control pedal, the control shaft drives the sprocket wheel 2 to rotate, the sprocket wheel 2 drives the chain to rotate, and the chain drives the rotating shaft 1 and the rotating shaft 2 to rotate through the corresponding sprocket wheel 1, so that the foot pedal is flipped down and opened, and the seat is flipped up and opened, and then the seat is limited by the limit mechanism; conversely, the limit mechanism is opened, and when the driver steps on the rear end of the control pedal, the control shaft drives the sprocket wheel 2 to rotate in the opposite direction, so that the foot pedal is flipped up and folded, and the seat is flipped down and folded, which is reasonably designed and convenient for the driver to operate; the pedal switch is convenient for the driver to control the driving of the tractor with the sole of his foot.

[0012] Preferably, the opening end of the groove is provided with a cover plate matching therewith, and the cover plate is slidably connected to both sides of the opening end of the groove, and a driving component is provided in the cavity, and the driving component is connected to the cover plate. The driving component controls the opening or closing of the cover plate. When the cover plate is closed, it is not only convenient to place sundries in the cab, but also helps to isolate the control component from the outside when the tractor stops working, preventing improper operation from causing the seat or foot pedal to fold or open, and also plays a certain protective role for the control component.

[0013] Preferably, the head assembly includes a head box, the rear end of the chassis is fixedly connected to the tail frame, the front end of the chassis is located in the head box, a bracket plate is provided on the outer side wall of the head box, the rotating shaft 1 is rotatably connected to the bracket plate, a battery compartment, a controller assembly and a drive wheel assembly are provided in the head box, a battery assembly is installed in the battery compartment, the bottom of the battery compartment is installed on the chassis, a control handle assembly, a key switch, a manual cut-off switch and a cover switch are provided on the top of the battery compartment, the controller assembly and the drive wheel assembly are both installed on the side of the battery compartment, and the drive wheel assembly is located at the front end of the chassis, the battery assembly, key switch, control handle assembly, controller assembly and drive wheel assembly are connected in series in sequence, and are electrically connected to the manual cut-off switch, pedal switch and trigger switch respectively to form a circuit one, and the battery assembly, key switch, cover switch and drive assembly are connected in series in sequence to form a circuit two. The battery assembly supplies power, and the driver powers on the tractor by turning on the key switch; the cover switch is used to control the drive assembly to open or close the cover; the manual cut-off switch, pedal switch and trigger switch can all be used to control the start and stop of the tractor, and the control handle assembly transmits to the controller assembly through the corresponding sensor, and the controller assembly controls the steering motor and the drive motor on the drive wheel assembly to control the steering and forward movement of the tractor, which is simple and convenient to operate; when the driver sits on the bench, due to the driver's gravity acting on the bench, the trigger switch connects the circuit to start the tractor, so that the control handle assembly can be transmitted to the controller assembly through the corresponding sensor, and the controller assembly controls the steering motor and the drive motor on the drive wheel assembly to control the steering and forward movement of the tractor, without manually turning on the manual cut-off switch or stepping on the pedal switch, saving time and improving work efficiency.

[0014] Preferably, the support mechanism includes a sliding shaft, a rotating shaft and two connecting plates, the sliding shaft and the rotating shaft are parallel to each other, the two connecting plates are symmetrically distributed and are respectively located at both ends of the sliding shaft, one end of the connecting plate is slidably connected to the rectangular hole through the sliding shaft, and the other end of the connecting plate is rotatably connected to the bottom end of the rotating plate through the rotating shaft. The use of two connecting plates to connect the sliding shaft and the rotating shaft is conducive to improving the stability of the bench and the load-bearing capacity, thereby helping to extend the service life of the bench.

[0015] Preferably, the limiting mechanism includes two adjusting plates, a connecting shaft one and a connecting shaft two, one of the adjusting plates is fixedly connected to the other adjusting plate through the connecting shaft one, the connecting shaft one and the connecting shaft two are parallel to each other, one end of the connecting shaft two passes through one of the adjusting plates and is rotationally connected to one of the folding plates through a torsion spring, the other end of the connecting shaft two passes through the other adjusting plate and is rotationally connected to the other folding plate through a torsion spring, the adjusting plate is located on one side of the folding plate, the connecting plate is located on the other side corresponding to the folding plate, one end of the adjusting plate is located below the sliding shaft and is provided with a rotating groove matching the sliding shaft, the bench is located above the sliding shaft, one of the adjusting plates is provided with an adjusting handle, and the adjusting handle is fixedly connected to the other end of the adjusting plate. When the driver needs to put away the seat and the footrest, the driver turns the adjustment handle, which drives the adjustment plate to rotate so that the sliding shaft disengages from the rotating groove, and then presses the seat down. Under the action of the chain, the seat and the footrest are put away at the same time, or the driver steps on the rear end of the control pedal, the control shaft drives the sprocket wheel 2 to rotate, the sprocket wheel 2 drives the chain to rotate, and the chain drives the rotating shaft 1 and the rotating shaft 2 to rotate through the corresponding sprocket wheel 1, so that the footrest is flipped up and folded through the rotating shaft 1, and the seat is flipped down and folded through the rotating shaft 2. At this time, one end of the connecting plate rotates with the rotating plate through the rotating shaft, and the other end of the connecting plate rotates The end slides along the rectangular hole through the sliding shaft, so that the seat and the foot pedal are folded at the same time; similarly, when the driver needs to open the seat and the foot pedal, the seat is flipped upward until the sliding shaft is stuck in the rotating groove to prevent the sliding shaft from sliding along the rectangular hole, so that the seat and the foot pedal are limited after opening, which is convenient for the driver to sit, or the front end of the control pedal is stepped on, and the control shaft drives the sprocket 2 to rotate in the opposite direction, so that the foot pedal is flipped downward and opened, and the seat is flipped upward and opened, and the adjustment plate drives the sliding shaft to move along the rectangular hole until the sliding shaft is stuck in the rotating groove to limit the seat.

[0016] Preferably, a backrest is provided on the top of the tail frame, the backrest is located in the cockpit, the backrest is detachably connected to the tail frame, the bench is located between the backrest and the chassis, and two wheel cavities are provided at the bottom of the tail frame, the two wheel cavities are respectively located on the left and right sides of the chassis, and the wheel cavities are provided with load-bearing wheels, which are rotatably connected to the side walls of the wheel cavities. The backrest helps to increase the comfort of the driver when riding.

[0017] The beneficial effects of the present invention are: it is convenient for drivers to work in a standing or sitting position, meeting the needs of different people; it improves the comfort of the driver's legs when working, thereby helping to improve work efficiency; the seat and footrest can be folded or opened at the same time, saving time and effort, and the operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 yes Figure 1 End view of the tail frame end of the mid-machine;

[0020] Figure 3 yes Figure 2 Sectional view of AA in the middle;

[0021] Figure 4 yes Figure 2 Left view of

[0022] Figure 5 yes Figure 4 Cross-sectional view of the middle BB;

[0023] Figure 6 yes Figure 1 The enlarged view of point A in the middle;

[0024] Figure 7 yes Figure 4 Cross-sectional view of CC.

[0025] In the figure: 1. chassis, 2. tail frame, 3. nose assembly, 4. cockpit, 5. traction device, 6. bench, 7. foot pedal, 8. rotating shaft 1, 9. rotating plate, 10. support plate, 11. folding plate, 12. rotating shaft 2, 13. rectangular hole, 14. limit mechanism, 15. support mechanism, 16. sprocket 1, 17. transmission assembly, 18. chain, 19. control assembly, 20. cavity, 21. support rod, 22. tension wheel, 23. groove, 24. control shaft, 25. control pedal, 2 6. Sprocket 2, 27. Pedal switch, 28. Cover plate, 29. Head box, 30. Bracket plate, 31. Battery compartment, 32. Controller assembly, 33. Driving wheel assembly, 34. Control handle assembly, 35. Sliding shaft, 36. Rotating shaft, 37. Connecting plate, 38. Adjusting plate, 39. Connecting shaft 1, 40. Connecting shaft 2, 41. Rotating groove, 42. Adjusting handle, 43. Backrest, 44. Wheel cavity, 45. Load-bearing wheel, 46. Trigger switch. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0027] like Figure 1 In the embodiment described, a stand-up tractor comprises a chassis 1, a tail frame 2 is provided at the rear end of the chassis 1, a head assembly 3 is provided at the front end of the chassis 1, and a cockpit 4 is formed between the head assembly 3 and the tail frame 2. Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a traction device 5 is provided on one side of the tail frame 2, and a bench 6 is provided on the other side corresponding to the tail frame 2. The bench 6 is rotatably connected to the tail frame 2, and the bench 6 is located on one side of the cockpit 4. Two foot pedals 7 are provided on the other side corresponding to the cockpit 4, and the foot pedals 7 are rotatably connected to the nose assembly 3.

[0028] like Figure 5 As shown, the two pedals 7 are symmetrically distributed on the left and right, and a rotating shaft 8 is provided on the pedal 7. One end of the rotating shaft 8 is fixedly connected to one of the pedals 7, and the other end of the rotating shaft 8 is fixedly connected to the other pedal 7. The pedal 7 is rotatably connected to the machine head assembly 3 through the rotating shaft 8.

[0029] like Figure 6 and Figure 7 As shown, two rotating plates 9 are provided on the tail frame 2, and the two rotating plates 9 are symmetrically distributed on the left and right. The rotating plates 9 are fixedly connected to the tail frame 2, and the rotating plates 9 are perpendicular to the chassis 1. A support plate 10 is provided between the two rotating plates 9, and the bench 6 is installed on the support plate 10. A trigger switch 46 is provided on the support plate 10, and the trigger switch 46 is located between the bench 6 and the support plate 10. Folding plates 11 are provided on the left and right sides of the support plate 10, and the folding plates 11 are perpendicular to the support plate 10. One end of the folding plate 11 is fixedly connected to a rotating shaft 2 12. The support plate 10 is rotatably connected to the top of the rotating plate 9 through the rotating shaft 12 on the folding plate 11. The other end of the folding plate 11 is provided with a rectangular hole 13 and a limiting mechanism 14. The length directions of the rectangular hole 13 and the folding plate 11 are parallel to each other. A supporting mechanism 15 matching the limiting mechanism 14 is provided in the rectangular hole 13. The two ends of the limiting mechanism 14 are rotatably connected to the two folding plates 11 respectively. One end of the supporting mechanism 15 is rotatably connected to the bottom end of the rotating plate 9. The other end of the supporting mechanism 15 is slidably connected to the folding plate 11 through the rectangular hole 13. Figure 3 , Figure 5 and Figure 6 As shown, sprocket 16 is provided on both rotating shaft 1 8 and rotating shaft 2 12, and a transmission assembly 17 matching with sprocket 16 is provided in chassis 1, one end of the transmission assembly 17 passes through the front end of chassis 1 and is transmission-connected with sprocket 16 on rotating shaft 1 8, and the other end of the transmission assembly 17 passes through the rear end of chassis 1 and is transmission-connected with sprocket 16 on rotating shaft 2 12.

[0030] like Figure 3As shown, the transmission assembly 17 includes a chain 18 and a control assembly 19 that match the sprocket 16. The chain 18 is an annular structure composed of a plurality of chain links connected end to end in sequence. The chain 18 is U-shaped. A cavity 20 is provided in the chassis 1. The bottom end of the chain 18 is located in the cavity 20. One side of the open end of the chain 18 passes through the front end of the cavity 20 and meshes with the sprocket 16 on the rotating shaft 8. The other side corresponding to the open end of the chain 18 passes through the rear end of the cavity 20 and meshes with the sprocket 16 on the rotating shaft 2 12. Four support rods 21 corresponding to the positions of the bent parts of the chain 18 are provided in the cavity 20. One end of the support rod 21 is fixedly connected to the side wall of the cavity 20. The other end of the support rod 21 is provided with a tensioning wheel 22 that matches the chain 18. The tensioning wheel 22 is rotatably connected to the support rod 21. Figure 3 , Figure 5 and Figure 7 As shown, a groove 23 is provided on the chassis 1 , and the groove 23 is located on the side of the chain 18 . One end of the control component 19 is located in the groove 23 , and the other end of the control component 19 passes through the side wall of the groove 23 and matches the chain 18 .

[0031] like Figure 5 and Figure 7 As shown, the control assembly 19 includes a control shaft 24 and a control pedal 25. One end of the control shaft 24 is rotatably connected to one side of the groove 23, and the other end of the control shaft 24 passes through the other side corresponding to the groove 23, and is provided with a sprocket wheel 26 matching the chain 18. The control shaft 24 and the sprocket wheel 26 are detachably connected. The control pedal 25 is located in the groove 23, and the bottom center of the control pedal 25 is fixedly connected to the control shaft 24. The top center of the control pedal 25 is provided with a pedal switch 27.

[0032] like Figure 5 and Figure 7 As shown, the opening end of the groove 23 is provided with a cover plate 28 matching therewith, and the cover plate 28 is slidably connected to both sides of the opening end of the groove 23 . A driving assembly is provided in the cavity 20 , and the driving assembly is connected to the cover plate 28 .

[0033] like Figure 3As shown, the head assembly 3 includes a head box 29, the rear end of the chassis 1 is fixedly connected to the tail frame 2, the front end of the chassis 1 is located in the head box 29, a bracket plate 30 is provided on the outer wall of the head box 29, and a rotating shaft 8 is rotatably connected to the bracket plate 30. A battery compartment 31, a controller assembly 32 and a driving wheel assembly 33 are provided in the head box 29, a battery assembly is installed in the battery compartment 31, the bottom of the battery compartment 31 is installed on the chassis 1, and a control handle assembly 34, a key switch, a manual cut-off switch and a cover switch are provided on the top of the battery compartment 31. The controller assembly 32 and the driving wheel assembly 33 are both installed on the side of the battery compartment 31, and the driving wheel assembly 33 is located at the front end of the chassis 1. The battery assembly, the key switch, the control handle assembly 34, the controller assembly 32 and the driving wheel assembly 33 are connected in series in sequence and are electrically connected to the manual cut-off switch, the pedal switch and the trigger switch 46 respectively to form a circuit one, and the battery assembly, the key switch, the cover switch and the driving assembly are connected in series in sequence to form a circuit two.

[0034] like Figure 6 As shown, the support mechanism 15 includes a sliding shaft 35, a rotating shaft 36 and two connecting plates 37. The sliding shaft 35 and the rotating shaft 36 are parallel to each other. The two connecting plates 37 are symmetrically distributed on the left and right and are respectively located at the two ends of the sliding shaft 35. One end of the connecting plate 37 is slidably connected to the rectangular hole 13 through the sliding shaft 35, and the other end of the connecting plate 37 is rotatably connected to the bottom end of the rotating plate 9 through the rotating shaft 36.

[0035] like Figure 6 As shown, the limiting mechanism 14 includes two adjusting plates 38, a connecting shaft 1 39 and a connecting shaft 2 40, one of the adjusting plates 38 is fixedly connected to the other adjusting plate 38 through the connecting shaft 1 39, and the connecting shaft 1 39 and the connecting shaft 2 40 are parallel to each other. One end of the connecting shaft 2 40 passes through one of the adjusting plates 38 and is rotationally connected to one of the folding plates 11 through a torsion spring, and the other end of the connecting shaft 2 40 passes through the other adjusting plate 38 and is rotationally connected to the other folding plate 11 through a torsion spring. The adjusting plate 38 is located on one side of the folding plate 11, and the connecting plate 37 is located on the other side corresponding to the folding plate 11. One end of the adjusting plate 38 is located below the sliding shaft 35 and is provided with a rotating groove 41 matching the sliding shaft 35. The bench 6 is located above the sliding shaft 35. One of the adjusting plates 38 is provided with an adjusting handle 42, and the adjusting handle 42 is fixedly connected to the other end of the adjusting plate 38.

[0036] like Figure 1 As shown, a backrest 43 is provided at the top of the tail frame 2, the backrest 43 is located in the cockpit 4, the backrest 43 is detachably connected to the tail frame 2, the bench 6 is located between the backrest 43 and the chassis 1, and two wheel cavities 44 are provided at the bottom of the tail frame 2, the two wheel cavities 44 are respectively located on the left and right sides of the chassis 1, and load-bearing wheels 45 are provided in the wheel cavities 44, and the load-bearing wheels 45 are rotatably connected to the side walls of the wheel cavities 44.

[0037] The cargo is loaded on the trailer, and the trailer is connected to the tractor through the traction device 5; when the tractor is working, the battery assembly is powered, and the driver powers on the tractor by turning on the key switch, and according to his own use requirements of the seat 6, he operates the cover switch to control the drive assembly to open or close the cover 28; according to different use requirements, the driver can control the start and stop of the tractor by selecting a manual cut-off switch, a pedal switch 27 or using a trigger switch 46 in the seat 6, and the control handle assembly 34 is transmitted to the controller assembly 32 through the corresponding sensor, and the controller assembly 32 controls the steering motor and the drive motor on the drive wheel assembly 33 to control the steering and forward movement of the tractor.

[0038] When the driver needs to open the seat 6 and the foot pedal 7, the seat 6 is flipped upward until the sliding shaft 35 is stuck in the rotating groove 41 and is limited to prevent the sliding shaft 35 from sliding along the rectangular hole 13. At this time, the foot pedal 7 is opened at the same time under the drive of the chain 18; or the cover switch is turned on to open the cover 28, and the driver steps on the front end of the control pedal 25, and the control shaft 24 drives the sprocket 26 to rotate, so that the foot pedal 7 is flipped downward and opened, and the seat 6 is flipped upward and opened, and the adjustment plate 38 drives the sliding shaft 35 to move along the rectangular hole 13 until the sliding shaft 35 is stuck in the rotating groove 41 to limit the seat 6, and at the same time, the foot pedal 7 is also limited.

[0039] Conversely, when the driver needs to fold up the seat 6 and the footrest 7, he first turns the adjustment handle 42, which drives the adjustment plate 38 to rotate so that the sliding shaft 35 disengages from the rotating groove 41, and then presses down the seat 6, and drives the chain 18 to fold up the seat 6 and the footrest 7 at the same time; or he steps on the rear end of the control pedal 25, the control shaft 24 drives the sprocket 26 to rotate in the opposite direction, and the sprocket 26 drives the chain 18 to rotate, and the chain 18 drives the rotating shaft 1 8 and the rotating shaft 2 12 to rotate through the corresponding sprocket 1 16, so that the footrest 7 is flipped up and folded under the drive of the rotating shaft 1 8, and the seat 6 is flipped down and folded under the drive of the rotating shaft 2 12. At this time, one end of the connecting plate 37 rotates with the rotating plate 9 through the rotating shaft 36, and the other end of the connecting plate 37 slides along the rectangular hole 13 through the sliding shaft 35, thereby realizing the simultaneous folding of the seat 6 and the footrest 7.

Claims

1. A stand-up tractor, characterized in that: The invention comprises a chassis (1), wherein a tail frame (2) is provided at the rear end of the chassis (1), a nose assembly (3) is provided at the front end of the chassis (1), a cockpit (4) is formed between the nose assembly (3) and the tail frame (2), a traction device (5) is provided on one side of the tail frame (2), a bench (6) is provided on the other side corresponding to the tail frame (2), the bench (6) is rotatably connected to the tail frame (2), the bench (6) is located on one side of the cockpit (4), and two foot pedals (7) are provided on the other side corresponding to the cockpit (4), the foot pedals (7) are rotatably connected to the nose assembly (3); the two foot pedals (7) are symmetrically distributed on the left and right, and the foot pedals (7) are provided with A rotating shaft (8) is provided, one end of the rotating shaft (8) is fixedly connected to one of the foot pedals (7), the other end of the rotating shaft (8) is fixedly connected to the other foot pedal (7), and the foot pedal (7) is rotatably connected to the head assembly (3) via the rotating shaft (8); two rotating plates (9) are provided on the tail frame (2), the two rotating plates (9) are symmetrically distributed, the rotating plates (9) are fixedly connected to the tail frame (2), the rotating plates (9) and the chassis (1) are perpendicular to each other, a support plate (10) is provided between the two rotating plates (9), the bench (6) is mounted on the support plate (10), and a trigger switch (46) is provided on the support plate (10), and the trigger switch (46) is located between the bench (6) and the support plate (10), and folding plates (11) are provided on both sides of the support plate (10), and the folding plates (11) are perpendicular to the support plate (10), and one end of the folding plate (11) is fixedly connected to a second rotating shaft (12), and the support plate (10) is rotatably connected to the top of the rotating plate (9) through the second rotating shaft (12) on the folding plate (11), and a rectangular hole (13) and a limiting mechanism (14) are provided at the other end of the folding plate (11), and the length direction of the rectangular hole (13) and the folding plate (11) are parallel to each other, and a supporting mechanism (15) matching the limiting mechanism (14) is provided in the rectangular hole (13), and the limiting mechanism (14) ) are rotatably connected to the two folding plates (11) respectively, one end of the support mechanism (15) is rotatably connected to the bottom end of the rotating plate (9), the other end of the support mechanism (15) is slidably connected to the folding plate (11) through the rectangular hole (13), the rotating shaft (8) and the rotating shaft (12) are both provided with a sprocket (16), a transmission component (17) matching the sprocket (16) is provided in the chassis (1), one end of the transmission component (17) passes through the front end of the chassis (1) and is transmission-connected to the sprocket (16) on the rotating shaft (8), and the other end of the transmission component (17) passes through the rear end of the chassis (1) and is transmission-connected to the sprocket (16) on the rotating shaft (12);The transmission assembly (17) comprises a chain (18) matched with the sprocket wheel one (16) and a control assembly (19). The chain (18) is an annular structure composed of a plurality of chain links connected end to end in sequence. The chain (18) is in a U-shape. A cavity (20) is provided in the chassis (1). The bottom end of the chain (18) is located in the cavity (20). One side of the open end of the chain (18) passes through the front end of the cavity (20) and meshes with the sprocket wheel one (16) on the rotating shaft one (8). The other side of the open end of the chain (18) passes through the rear end of the cavity (20) and meshes with the sprocket wheel one (16) on the rotating shaft two (12). Four support rods (21) corresponding to the positions of the bent parts of the chain (18) are provided in the cavity (20). One end of the support rod (21) is fixedly connected to the side wall of the cavity (20). The other end of the support rod (21) is provided with a support rod connected to the chain (1 8) and a tensioning wheel (22) matching the tail frame (2), the tensioning wheel (22) being rotatably connected to the support rod (21); a groove (23) being provided on the chassis (1), the groove (23) being located on the side of the chain (18); one end of the control component (19) being located in the groove (23), the other end of the control component (19) penetrating the side wall of the groove (23) and matching the chain (18); a backrest (43) being provided on the top of the tail frame (2), the backrest (43) being located in the cockpit (4), the backrest (43) being detachably connected to the tail frame (2), the bench (6) being located between the backrest (43) and the chassis (1); two wheel cavities (44) being provided on the bottom of the tail frame (2), the two wheel cavities (44) being respectively located on the left and right sides of the chassis (1), a load-bearing wheel (45) being provided in the wheel cavity (44), the load-bearing wheel (45) being rotatably connected to the side wall of the wheel cavity (44). ; 2. A stand-up tractor according to claim 1, characterized in that: The control assembly (19) comprises a control shaft (24) and a control pedal (25), one end of the control shaft (24) being rotatably connected to one side of the groove (23), the other end of the control shaft (24) passing through the other side corresponding to the groove (23), and being provided with a second sprocket (26) matching the chain (18), the control shaft (24) and the second sprocket (26) being detachably connected, the control pedal (25) being located in the groove (23), the bottom center of the control pedal (25) being fixedly connected to the control shaft (24), and the top center of the control pedal (25) being provided with a pedal switch (27).

3. A stand-up tractor according to claim 2, characterized in that: The opening end of the groove (23) is provided with a cover plate (28) matching therewith, and the cover plate (28) is slidably connected to both sides of the opening end of the groove (23). A drive assembly is provided in the cavity (20), and the drive assembly is connected to the cover plate (28).

4. A stand-up tractor according to claim 3, characterized in that: The head assembly (3) includes a head box (29), the rear end of the chassis (1) is fixedly connected to the tail frame (2), the front end of the chassis (1) is located in the head box (29), a bracket plate (30) is provided on the outer wall of the head box (29), the rotating shaft (8) is rotatably connected to the bracket plate (30), a battery compartment (31), a controller assembly (32) and a driving wheel assembly (33) are provided in the head box (29), a battery assembly is installed in the battery compartment (31), the bottom of the battery compartment (31) is installed on the chassis (1), and the top of the battery compartment (31) is installed on the bottom of the battery compartment (31). A control handle assembly (34), a key switch, a manual cut-off switch and a cover switch are provided. The controller assembly (32) and the drive wheel assembly (33) are both mounted on the side of the battery compartment (31). The drive wheel assembly (33) is located at the front end of the chassis (1). The battery assembly, the key switch, the control handle assembly (34), the controller assembly (32) and the drive wheel assembly (33) are sequentially connected in series and are respectively electrically connected to the manual cut-off switch, the foot switch and the trigger switch (46) to form a first circuit. The battery assembly, the key switch, the cover switch and the drive assembly are sequentially connected in series to form a second circuit.

5. A stand-up tractor according to claim 1, characterized in that: The support mechanism (15) comprises a sliding shaft (35), a rotating shaft (36) and two connecting plates (37); the sliding shaft (35) and the rotating shaft (36) are parallel to each other; the two connecting plates (37) are symmetrically distributed and are respectively located at two ends of the sliding shaft (35); one end of the connecting plate (37) is slidably connected to the rectangular hole (13) via the sliding shaft (35); and the other end of the connecting plate (37) is rotatably connected to the bottom end of the rotating plate (9) via the rotating shaft (36).

6. A stand-up tractor according to claim 5, characterized in that: The limiting mechanism (14) comprises two adjusting plates (38), a connecting shaft 1 (39) and a connecting shaft 2 (40), wherein one adjusting plate (38) is fixedly connected to the other adjusting plate (38) via the connecting shaft 1 (39), the connecting shaft 1 (39) and the connecting shaft 2 (40) are parallel to each other, one end of the connecting shaft 2 (40) passes through one adjusting plate (38) and is rotationally connected to one folding plate (11) via a torsion spring, and the other end of the connecting shaft 2 (40) passes through the other adjusting plate (38) and is rotationally connected to the other folding plate (11). The folding plate (11) is rotatably connected via a torsion spring, the adjusting plate (38) is located on one side of the folding plate (11), the connecting plate (37) is located on the other side corresponding to the folding plate (11), one end of the adjusting plate (38) is located below the sliding shaft (35) and is provided with a rotating groove (41) matching the sliding shaft (35), the bench (6) is located above the sliding shaft (35), one of the adjusting plates (38) is provided with an adjusting handle (42), and the adjusting handle (42) is fixedly connected to the other end of the adjusting plate (38).

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