Miniature partial three-wheel ditcher convenient for transition
By designing a micro three-wheel trencher and combining electric drive with a diesel engine, the problem of slow trencher transfer speed is solved, and fast transfer and efficient trenching are achieved, making it suitable for narrow spaces.
Patent Information
- Application Number
- CN202422060010.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-24
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-08-24
AI Technical Summary
Existing trenchers are slow and time-consuming during the transition process and are not suitable for spaces with obstacles such as orchards and greenhouses.
A micro three-wheel trencher has been designed. It adopts an electric-driven three-wheel structure, combined with a diesel engine and a gear transmission, and is equipped with a trenching device and a soil-dividing auger. It can quickly move through electric drive, and uses diesel engine power for reverse trenching. It is also equipped with a linear drive device and a trenching chain to achieve rapid trenching.
The device realizes rapid movement and efficient trenching of the trencher during transfer. The device is small in size, light in weight, simple and flexible to operate, suitable for narrow spaces, and improves work efficiency.
Smart Images

Figure CN223322440U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of agricultural machinery, and in particular relates to a micro three-wheeled trencher which is convenient for field transfer. Background Art
[0002] The trenchers currently popular in the agricultural machinery market are generally large. Trenchers are slow and time-consuming to move from one work site to another, and are not suitable for spaces with obstacles such as orchards and greenhouses. Summary of the Invention
[0003] The purpose of this utility model is to address the above problems and provide a miniature three-wheeled trencher with the advantages of being rideable, small in size, light in weight, easy to adjust, simple and flexible in operation, high in work efficiency, and easy to move between sites.
[0004] The technical solutions adopted in this utility model are as follows.
[0005] A miniature three-wheeled trencher that is convenient for transfer, characterized in that it includes an electrically driven three-wheeled trencher, the electrically driven three-wheeled trencher including a main frame and a sub-frame connected to the left side or right side of the rear end of the main frame, and a diesel engine, a gear transmission connected to the diesel engine, and a trenching device are installed on the sub-frame in sequence from back to front.
[0006] The gear transmission is coaxially connected to the soil-dividing auger at the end away from the main frame; the trenching device includes a rotating horizontal shaft connected to the gear transmission, and a trenching power output gear is provided on the rotating horizontal shaft; both ends of the rotating horizontal shaft are respectively connected to the rotating frame through connecting sleeves, the rotating frame is hinged, the linear drive device is hinged to the auxiliary frame, and a trenching chain mounting frame is longitudinally installed at the front end of the rotating frame, and the trenching chain mounting frame is provided with a trenching chain connected to the trenching power output gear.
[0007] The beneficial effects of the present utility model are as follows: the trenching device is arranged on the electric-driven three-wheel eccentric, and the speed is relatively fast during the transfer. The diesel engine drives the horizontal axis to rotate, thereby driving the trenching chain to rotate; through the extension of the linear drive device, the rotating frame rotates, and the trenching chain is sent into the ground to realize trenching. During the transfer, the electric-driven three-wheel eccentric is electrically driven and moves relatively fast. When trenching, the electric-driven three-wheel eccentric opens in reverse, using the power of the diesel engine. A soil-dividing auger is provided to separate the soil produced by trenching. The trenching chain is arranged in the space in front of the sub-frame, and the length of the entire device is relatively short. The utility model micro three-wheel edging machine has the advantages of being rideable, small in size, light in weight, easy to adjust, simple and flexible in operation, high in working efficiency, and easy to move between sites.
[0008] As a preferred technical solution, the linear drive device is a hydraulic cylinder; the linear drive device is connected to a hydraulic station; and the hydraulic station is connected to a diesel engine.
[0009] The hydraulic station is arranged on the auxiliary frame, or a frame plate is connected above the rotating frame at the front end of the auxiliary frame, and the hydraulic station is installed on the frame plate.
[0010] As an optimal technical solution, the gear transmission includes several speed gears arranged horizontally along the central axis, and two adjacent speed gears are meshed with each other; the diesel engine is connected to a speed gear of the gear transmission through a transmission belt; the speed gear at the rearmost end of the gear transmission is coaxially connected to a soil-dividing auger away from the main frame end; the speed gear at the frontmost end of the gear transmission is coaxially connected to a rotating horizontal axis.
[0011] As a preferred technical solution, a front wheel is provided at the bottom front end of the main frame, a rear wheel is provided at the bottom rear end of the main frame, and side wheels are provided at the bottom of the subframe, with the central axis of the side wheels and the central axis of the rear wheel being aligned horizontally. An electric motor is provided on the subframe or the main frame, and a battery is provided on the subframe or the main frame. The side wheels are connected to the rear wheel via a transverse axle, which is connected to the electric motor. The battery provides power to the electric motor.
[0012] A passive support gear is provided at the front end of the trenching chain mounting frame; a trenching chain connected to the rotating horizontal shaft is provided on the trenching chain mounting frame, and a plurality of cutters are provided on the trenching chain; the trenching chain is connected to the trenching power output gear and the passive support gear; the linear drive device is an electric push rod, and the linear drive device is connected to the battery.
[0013] As a preferred technical solution, a speed reducer is provided on the transverse wheel axle, which is connected to the power output wheel of the electric motor via a transmission chain. With this technical solution, the movement speed of the micro three-wheel trencher can be controlled.
[0014] As a preferred technical solution, a generator is provided on the auxiliary frame, the generator is connected to the diesel engine, and the generator is connected to the battery via a line. With this technical solution, the battery can be charged.
[0015] As a preferred technical solution, the transmission gear at the rear end of the gear box is coaxially connected to a transmission wheel close to the main frame, and the power wheel of the diesel engine is connected to the transmission wheel through a transmission belt.
[0016] As a preferred technical solution, a front fork is vertically hinged at the front end of the main frame. The front forks are connected to the left and right ends of the front wheel axles, respectively. The top of the front fork is connected to two directional control handles and a directional lock. This technical solution ensures that the electric-driven three-wheeled vehicle maintains straight-line motion when driving backward in a straight line during trenching.
[0017] As a preferred technical solution, the main frame is equipped with a drive belt tensioner. The drive belt tensioner includes a tensioning pulley that contacts the drive belt, a rotating rod, a transverse hinge shaft, a sprocket, a handle, and a lock. The tensioning pulley is mounted on the top of the rotating rod. The bottom of the rotating rod is connected to the transverse hinge shaft, which is mounted on the transverse inner hole in the center of the sprocket. The sprocket is mounted on the main frame. The transverse hinge shaft is connected to the handle, which is equipped with a lock that engages with the sprocket. This technical solution allows the drive belt to be tensioned during trenching.
[0018] As an optimal technical solution, an ear plate is provided on the left and right sides of the top of the rotating frame, the two ear plates are hinged to the transverse axis, the front end of the gear transmission is located between the two ear plates and the transverse axis is located above the front end of the gear transmission, and the transverse axis is hinged to the front end of the linear drive device. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a three-dimensional structural diagram of a preferred embodiment of the miniature three-wheel trencher of the present utility model.
[0020] Figure 2 yes Figure 1 A partial enlarged view of part A.
[0021] Figure 3 yes Figure 1 A partial enlarged view of part B.
[0022] Figure 4 yes Figure 3 A partial enlarged view of part C.
[0023] Figure 5 yes Figure 1 The top view of the miniature three-wheel trencher shown.
[0024] Figure 6 yes Figure 5 A partial enlarged view of part D.
[0025] Figure 7 yes Figure 5 A partial enlarged view of part E.
[0026] Figure 8 yes Figure 1 The front view of the miniature three-wheel trencher shown.
[0027] Figure 9 yes Figure 8 A partial enlarged view of part F.
[0028] Figure 10 yes Figure 1 The bottom view of the miniature three-wheel trencher shown.
[0029] Figure 11 yes Figure 10A partial enlarged view of part G.
[0030] Figure 12 yes Figure 10 A partial enlarged view of part H.
[0031] Figure 13 yes Figure 1 The right side view of the miniature three-wheel trencher shown.
[0032] Figure 14 yes Figure 13 A partial enlarged view of part I.
[0033] Figure 15 yes Figure 13 A partial enlarged view of part J.
[0034] Figure 16 yes Figure 1 The left side view of the miniature three-wheel trencher shown.
[0035] Figure 17 yes Figure 16 A partial enlarged view of the K part.
[0036] Figure 18 yes Figure 16 A partial enlarged view of the L part.
[0037] Figure 19 It is a structural schematic diagram of a preferred embodiment of the utility model micro three-wheel trencher.
[0038] Figure 20 It is a structural schematic diagram of a preferred embodiment of the utility model micro three-wheel trencher.
[0039] Figure 21 It is a structural schematic diagram of a preferred embodiment of the utility model micro three-wheel trencher.
[0040] Including: main frame-1; subframe-11; front wheel-12; rear wheel-13; side wheel-14; transverse axle-15; reducer-16; drive motor-17; front fork-18; steering control armrest-19; steering lock-110; brake-111;
[0041] Diesel engine 2; transmission belt 21; diesel engine power pulley 22; tension pulley 23; rotating rod 24; transverse articulated shaft 25; toothed disc 26; handle 27; stopper 28;
[0042] Gear box-3; speed change gear-31; transmission wheel-32;
[0043] Connecting sleeve 41; rotating horizontal axis 42; rotating frame 43; linear drive device 44; trenching power output gear 45; trenching chain mounting frame 46; trenching chain 47; tool 48; passive support gear 49; horizontal axis 410; ear plate 411;
[0044] Soil splitting auger-5;
[0045] Electric motor-6; transmission chain-61; power take-off wheel of the electric motor-62;
[0046] Battery - 7;
[0047] Generator-8;
[0048] Hydraulic station-9; hydraulic station control switch-91; frame plate-92. DETAILED DESCRIPTION
[0049] Below, the utility model is further described with reference to the accompanying drawings and embodiments.
[0050] Example 1. Figure 1-18 As shown, a miniature three-wheel trencher that is convenient for transfer is characterized in that it includes an electric-driven three-wheel trencher, and the electric-driven three-wheel trencher includes a main frame 1 and a sub-frame 11 connected to the left side of the rear end of the main frame 1, and a diesel engine 2, a gear transmission 3 connected to the diesel engine 2, and a trenching device are installed on the sub-frame 11 in sequence from back to front.
[0051] The gearbox 3, remote from the main frame, is coaxially connected to a soil-dividing auger 5. The trenching mechanism includes a rotating transverse shaft 42 connected to the gearbox 3. A trenching power output gear 45 is mounted on this shaft. Both ends of this shaft are connected to a turret 43 via connecting sleeves 41. The turret 43 is hingedly connected to a linear drive 44, which is in turn hingedly connected to the subframe 11. A trenching chain mounting bracket 46 is longitudinally mounted at the front end of the turret 43. This mounting bracket carries a trenching chain 47, which is connected to the trenching power output gear 45.
[0052] The linear drive device 44 is a hydraulic cylinder; the linear drive device 44 is connected to the hydraulic station 9; the hydraulic station 9 is connected to the diesel engine 2. The hydraulic station 9 is arranged on the auxiliary frame 11.
[0053] The gear transmission 3 includes three speed change gears 31 arranged horizontally with a central axis, and two adjacent speed change gears 31 are meshed with each other; the diesel engine 2 is connected to the middle speed change gear 31 of the gear transmission 3 through a transmission belt 21; the speed change gear 31 at the rear end of the gear transmission 3 is coaxially connected to the soil dividing auger 5 away from the main frame end; the speed change gear 31 at the front end of the gear transmission 3 is coaxially connected to the rotating horizontal shaft 42.
[0054] A front wheel 12 is provided at the bottom of the front end of the main frame 1, a rear wheel 13 is provided at the bottom of the rear end of the main frame 1, and a side wheel 14 is provided at the bottom of the subframe 11. The central axis of the side wheel 14 and the central axis of the rear wheel 13 are on the same horizontal straight line; an electric motor 6 is provided at the rear end of the subframe 11; a battery 7 is provided on the main frame 1, and the side wheel 14 is connected to the rear wheel 13 through a transverse wheel axle 15, and the transverse wheel axle 15 is connected to the electric motor 6.
[0055] A passive support gear 49 is provided at the front end of the trenching chain mounting frame 46. A trenching chain 47 connected to the rotating horizontal shaft 42 is mounted on the trenching chain mounting frame 46. The trenching chain 47 is equipped with a plurality of cutters 48. The trenching chain 47 is connected to the trenching power output gear 45 and the passive support gear 49. A speed reducer 16 is provided on the transverse wheel shaft 15 and is connected to the power output wheel 62 of the electric motor 6 via a transmission chain 61.
[0056] A generator 8 is provided on the sub-frame 11 , and the generator 8 is connected to the diesel engine 2 , and the generator 8 is connected to the battery 7 through a line.
[0057] A transmission wheel 32 is coaxially connected to the side of the speed change gear 31 at the rear end of the gear transmission box 3 close to the main frame 1 , and the power wheel 22 of the diesel engine is connected to the transmission wheel 32 through a transmission belt 21 .
[0058] A front fork 18 is vertically hinged to the front end of the main frame 1, and the front fork 18 is respectively connected to the left and right ends of the wheel axle of the front wheel 12. The top of the front fork 18 is connected to two direction control handrails 19; the top of the front fork 18 is connected to a direction locker 110.
[0059] A transmission belt tensioning device is provided on the main frame 1, which includes a tensioning wheel 23 in contact with the transmission belt 21, a rotating rod 24, a transverse hinge shaft 25, a sprocket 26, a handle 27, and a lock 28. The tensioning wheel 23 is installed at the top of the rotating rod 24, and the bottom end of the rotating rod 24 is connected to the transverse hinge shaft 25. The transverse hinge shaft 25 is installed on the transverse inner hole in the center of the sprocket 26. The sprocket 26 is installed on the main frame 1. The transverse hinge shaft 25 is connected to the handle 27. The handle 27 is provided with a lock 28 that can engage with the sprocket 26.
[0060] An ear plate 411 is provided on the left and right sides of the top of the rotating frame 43, and the two ear plates 411 are hinged to the transverse shaft 410. The front end of the gear transmission 3 is located between the two ear plates 411 and the transverse shaft 410 is located above the front end of the gear transmission 3. The transverse shaft 410 is hinged to the front end of the linear drive device 44.
[0061] A hydraulic station control switch 91 is provided on the main frame 1 , and the hydraulic station control switch 91 is connected to the battery 7 and the hydraulic station 9 through lines.
[0062] The trenching device is set on the electric-driven three-wheel eccentric wheel, and the speed is relatively fast when the site is transferred. The diesel engine drives the horizontal axis to rotate, thereby driving the trenching chain to rotate; through the contraction of the linear drive device 44, the rotating frame rotates, and the trenching chain is sent into the ground to realize trenching. When transferring, the electric-driven three-wheel eccentric wheel is electrically driven and moves relatively fast. When trenching, the electric-driven three-wheel eccentric wheel is opened in reverse, using the power of the diesel engine 2. A soil-dividing auger is provided to separate the soil produced by trenching. The trenching chain is set in the space in front of the subframe, and the length of the entire device is relatively short. The utility model micro three-wheel ditching machine has the advantages of being rideable, small in size, light in weight, easy to adjust, simple and flexible in operation, high in work efficiency, and easy to move between sites.
[0063] Example 2. Figure 19 As shown, the difference between this embodiment and embodiment 1 is that the electric driven tricycle includes a main frame 1 and a sub-frame 11 connected to the right side of the rear end of the main frame 1. A battery 7 is provided on the main frame 1.
[0064] Example 3. Figure 20 As shown, the difference between this embodiment and embodiment 1 is that the electric driven tricycle includes a main frame 1 and a sub-frame 11 connected to the right side of the rear end of the main frame 1. The main frame 1 is provided with an electric motor 6; the sub-frame 11 is provided with a battery 7.
[0065] Example 3. Figure 21 As shown, this embodiment differs from the first embodiment in that a frame plate 92 is connected above the rotating frame 43 at the front end of the subframe 11, and the hydraulic station 9 is mounted on the frame plate 92. The subframe 11 does not have a generator. The linear drive device 44 is an electric push rod and is connected to the battery 7.
[0066] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention and making equivalent replacements or changes to the technical solution and the inventive concept of the present invention should be covered by the protection scope of the present invention.
Claims
1. A miniature three-wheel trencher that is convenient for field transfer, characterized by: The electric-driven tricycle comprises a main frame (1) and a sub-frame (11) connected to the left side or right side of the rear end of the main frame (1); a diesel engine (2), a gear transmission (3) connected to the diesel engine (2), and a ditching device are sequentially mounted on the sub-frame (11) from the rear to the front; The gear transmission (3) is coaxially connected to a soil-dividing auger (5) at an end away from the main frame; the ditching device comprises a rotating transverse shaft (42) connected to the gear transmission (3), and a ditching power output gear (45) is provided on the rotating transverse shaft (42); both ends of the rotating transverse shaft (42) are connected to a rotating frame (43) through a connecting sleeve (41), the rotating frame (43) is hinged to a linear drive device (44), the linear drive device (44) is hinged to the auxiliary frame (11), and a ditching chain mounting frame (46) is longitudinally mounted on the front end of the ditching frame (43), and a ditching chain (47) connected to the ditching power output gear (45) is provided on the ditching chain mounting frame (46).
2. A miniature three-wheel trencher that is convenient for field transfer as claimed in claim 1, characterized in that: The linear drive device (44) is a hydraulic cylinder; the linear drive device (44) is connected to the hydraulic station (9); the hydraulic station (9) is connected to the diesel engine (2); The hydraulic station (9) is arranged on the auxiliary frame (11), or a frame plate (92) is connected above the rotating frame (43) at the front end of the auxiliary frame (11), and the hydraulic station (9) is installed on the frame plate (92).
3. A miniature three-wheel trencher that is convenient for field transfer as claimed in claim 1, characterized in that: The gear transmission (3) includes a plurality of speed change gears (31) arranged transversely to a central axis, and two adjacent speed change gears (31) are meshed with each other; the diesel engine (2) is connected to a speed change gear (31) of the gear transmission (3) via a transmission belt (21); the speed change gear (31) at the rear end of the gear transmission (3) is coaxially connected to a soil-dividing auger (5) away from the main frame end; and the speed change gear (31) at the front end of the gear transmission (3) is coaxially connected to a rotating horizontal shaft (42).
4. A miniature three-wheel trencher that is convenient for field transfer as claimed in claim 3, characterized in that: A front wheel (12) is provided at the bottom of the front end of the main frame (1), a rear wheel (13) is provided at the bottom of the rear end of the main frame (1), and a side wheel (14) is provided at the bottom of the sub-frame (11), wherein the central axis of the side wheel (14) and the central axis of the rear wheel (13) are on the same horizontal straight line; an electric motor (6) is provided on the sub-frame (11) or the main frame (1); a battery (7) is provided on the sub-frame (11) or the main frame (1), and the side wheel (14) and the rear wheel (13) are connected via a transverse wheel shaft (15), and the transverse wheel shaft (15) is connected to the electric motor (6); A passive support gear (49) is provided at the front end of the trenching chain mounting frame (46); a trenching chain (47) connected to the rotating horizontal shaft (42) is provided on the trenching chain mounting frame (46); a plurality of cutters (48) are provided on the trenching chain (47); the trenching chain (47) is connected to the trenching power output gear (45) and the passive support gear (49); the linear drive device (44) is an electric push rod, and the linear drive device (44) is connected to the battery (7).
5. A miniature three-wheel trencher that is convenient for field transfer as claimed in claim 4, characterized in that: A speed reducer (16) is provided on the transverse wheel shaft (15), and the speed reducer (16) is connected to the power output wheel (62) of the electric motor (6) through a transmission chain (61).
6. A miniature three-wheel trencher that is convenient for field transfer as claimed in claim 4, characterized in that: A generator (8) is provided on the auxiliary frame (11), the generator (8) is connected to the diesel engine (2), and the generator (8) is connected to the battery (7) through a line.
7. A miniature three-wheel trencher that is convenient for field transfer as claimed in claim 3, characterized in that: A transmission wheel (32) is coaxially connected to the side of the speed change gear (31) at the rear end of the gear transmission (3) close to the main frame (1), and a power wheel (22) of the diesel engine is connected to the transmission wheel (32) through a transmission belt (21).
8. The miniature three-wheel trencher that is convenient for field transfer as claimed in claim 3, characterized in that: A front fork (18) is vertically hinged to the front end of the main frame (1), and the front fork (18) is respectively connected to the left and right ends of the wheel axle of the front wheel (12). The top end of the front fork (18) is connected to two direction control handrails (19); and the top end of the front fork (18) is connected to a direction locker (110).
9. The miniature three-wheel trencher that is convenient for field transfer as claimed in claim 3, characterized in that: A transmission belt tensioning device is provided on the main frame (1), and the transmission belt tensioning device includes a tensioning wheel (23) in contact with the transmission belt (21), a rotating rod (24), a transverse hinge shaft (25), a toothed disc (26), a handle (27), and a locker (28). The tensioning wheel (23) is mounted on the top of the rotating rod (24), the bottom end of the rotating rod (24) is connected to the transverse hinge shaft (25), the transverse hinge shaft (25) is mounted on the transverse inner hole at the center of the toothed disc (26), the toothed disc (26) is mounted on the main frame (1), the transverse hinge shaft (25) is connected to the handle (27), and the handle (27) is provided with a locker (28) that can engage with the toothed disc (26).
10. The miniature three-wheel trencher that is convenient for field transfer as claimed in claim 3, characterized in that: Ear plates (411) are respectively provided on the left and right sides of the top of the rotating frame (43), and the two ear plates (411) are hinged to the transverse shaft (410). The front end of the gear transmission (3) is located between the two ear plates (411) and the transverse shaft (410) is located above the front end of the gear transmission (3). The transverse shaft (410) is hinged to the front end of the linear drive device (44).