Weeding steam hood with avoiding structure

Abstract

The invention discloses a weeding steam hood with an avoiding structure, and relates to the technical field of weeding equipment, the weeding steam hood comprises a mounting table, a driving wheel is mounted at one end of the mounting table, a driving mechanism for driving the driving wheel to rotate is mounted on the lower end face of the mounting table, and a steering mechanism for steering is arranged at the other end of the mounting table; a fuel gas type steam generator is arranged on the upper end face of the mounting table, a notch is formed in one side of the mounting table, three mounting bases are fixedly connected to the bottom of the notch, and a turnover shaft is rotationally connected among the three mounting bases. By arranging the mowing mechanism, weeds with high growth vigor can be cut off during use, and meanwhile, by arranging the weed stirring mechanism, the cut weeds can be stirred to one side, so that the situation that the weeds with high growth vigor influence the movement of the equipment can be avoided; meanwhile, the problem that high-temperature steam cannot fully cover the weeds on the ground surface after the weeds with relatively high growth vigor lodging is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of weeding equipment, in particular to a weeding steam hood with an avoidance structure. Background Art

[0002] Steam weeding technology is a method of killing weeds using high-temperature steam. The traditional method of killing weeds is generally to use pesticides and herbicides. Although this method can kill weeds, the herbicides themselves are highly toxic and easy to leave residues and be easily ingested by livestock. Steam weeding is widely used because it is non-toxic and can effectively kill insect eggs and weed seeds in weeds after high-temperature coverage.

[0003] For example, the prior art CN115024138B proposes a high-temperature and high-pressure steam soil disinfecting and weeding vehicle, which uses high-temperature steam to cover the soil on the ground surface, thereby achieving the purpose of weeding and killing pests in the soil.

[0004] Although the above device can achieve high-temperature steam weeding, it still has certain defects in practical application. When working, the weeds are not all low and close to the ground, there are also some taller weeds. The existing technology lacks means to deal with taller weeds. Therefore, when encountering similar situations, the taller weeds can only be manually cut off first, and then the equipment can be pushed to move. At the same time, when the existing technology is applied, it needs to rely on manpower to push, and lacks steering means, which is very bulky in movement. In response to the above problems, we provide a weeding steam hood with an avoidance structure to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a weed control steam hood with an avoidance structure to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A weeding steam hood with an avoidance structure comprises a mounting platform, a driving wheel is mounted on one end of the mounting platform, a driving mechanism for driving the driving wheel to rotate is mounted on the lower end surface of the mounting platform, a steering mechanism for steering is arranged on the other end of the mounting platform, a gas-fired steam generator is arranged on the upper end surface of the mounting platform, a notch is opened on one side of the mounting platform, three mounting bases are fixedly connected to the bottom of the notch, a turning shaft is rotatably connected between the three mounting bases, a third turning seat, a second turning seat and a first turning seat are sequentially arranged on the three mounting bases from the driving wheel to the direction of the steering mechanism, the third turning seat, the second turning seat and the first turning seat are all fixedly connected to the turning shaft, and a turning assembly for driving the turning shaft to rotate is arranged on one side of the mounting platform;

[0008] The third rotating seat is provided with a mowing mechanism for cutting tall grass;

[0009] The second rotating seat is provided with a grass-pushing mechanism for pushing the cut grass to one side;

[0010] The first rotating seat is provided with a steam weeding mechanism for communicating with the steam outlet of the gas-fired steam generator to weed the weeds on the ground.

[0011] As a further solution of the present invention: the steering mechanism includes a rotating rod, which is rotatably connected to the positions on both sides of one end of the mounting platform, the lower end of the rotating rod is fixedly connected to a steering block, the steering block is rotatably connected to an axle, one end of the axle is mounted with a steering wheel, the upper end of the rotating rod is fixedly connected to a rotating handle, one side of the lower end of the rotating rod is fixedly connected to a parallel rod, the two parallel rods are parallel to each other, a linkage rod is provided between the ends of the two parallel rods, both ends of the linkage rod are rotatably connected, the upper end surface of the mounting platform is also provided with a limit frame for limiting the rotating rod, the limit frame is rotatably connected to the rotating rod.

[0012] As a further solution of the present invention: the rotating assembly includes a worm gear, which is fixedly connected to the flip shaft, a mounting arm is fixedly connected to the lower end surface of the mounting platform near the worm gear, a worm is rotatably connected between the mounting arm and the mounting platform, and a first motor for driving the worm to rotate is also provided on the upper end surface of the mounting platform.

[0013] As a further solution of the present invention: the mowing mechanism includes an installation box, which is fixedly connected to the third rotating seat, and one end of the installation box away from the third rotating seat is fixedly connected to a hollow comb tooth plate, and a cutting row of teeth that cooperates with the convex teeth of the hollow comb tooth plate to cut weeds is slidably connected inside the hollow comb tooth plate, and both ends of the cutting row of teeth are fixedly connected to end slides, and a power component for driving the end slide to perform reciprocating motion is provided inside the installation box.

[0014] As a further solution of the present invention: the power assembly includes a gear, the gear is rotatably connected to a position on one side inside the installation box, the edge of the gear is rotatably connected to a connecting rod, the end of the connecting rod away from the gear is rotatably connected to the end of the end slide, a second motor is fixedly connected to one side of the installation box, a drive shaft is installed at the output end of the second motor, the drive shaft is fixedly connected to a motor gear at a position inside the installation box, and the motor gear is meshed with the gear.

[0015] As a further solution of the present invention: the grass-moving mechanism includes a mounting arm, the mounting arm is fixedly connected to the second rotating seat, both ends of the mounting arm are rotatably connected to end shafts, both ends of the end shafts are fixedly connected to transmission rollers, a conveyor belt is installed between the two transmission rollers on the same side, a plurality of moving teeth are fixedly connected to the surface of the conveyor belt, and a transmission assembly for transmitting with the drive shaft is provided inside the mounting arm.

[0016] As a further solution of the present invention: the transmission assembly includes a pulley, the pulley is fixedly connected to the driving shaft and the end shaft at a position inside the mounting arm, and a belt is installed between the two pulleys.

[0017] As a further solution of the present invention: the steam weeding mechanism includes a cover body, which is fixedly connected to the first rotating seat, an inner tube is fixedly connected to the upper end of the cover body, a plurality of steam outlets are arranged at the lower end of the inner tube, and a gas hose connected to the inner tube is connected to the upper end of the cover body, and the end of the gas hose away from the cover body is connected to the steam output port of the gas steam generator.

[0018] As a further solution of the present invention: the lower edge of the cover body is provided with a rubber skirt.

[0019] As a further solution of the present invention: a power supply for power supply is installed on the mounting platform at a position above the driving wheel.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The mowing mechanism of the present invention can cut some tall weeds when in use, and the weed-pushing mechanism can push the cut weeds to one side, thereby preventing the tall weeds from affecting the movement of the equipment and preventing the tall weeds from falling over and covering the weeds on the surface, resulting in the problem that the high-temperature steam cannot fully cover the weeds.

[0022] 2. The present invention can drive the driving wheel to rotate when in use through the driving mechanism, thereby driving the equipment to move, greatly reducing the labor intensity of workers. At the same time, the setting of the steering mechanism can facilitate steering and make the equipment more flexible in use when cooperating with the driving component.

[0023] 3. The present invention can drive the flip shaft to rotate when in use through the rotating assembly provided, so that when an obstacle is encountered in front of the mowing mechanism during use, the mowing mechanism, the grass-pulling mechanism and the steam weeding mechanism can be folded up through the rotating assembly, and then put down after passing the obstacle, thereby avoiding the obstacle and preventing the obstacle from damaging the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention.

[0025] Figure 2 It is a structural schematic diagram of the other side of the present invention.

[0026] Figure 3 It is a structural schematic diagram of the steering mechanism in the present invention.

[0027] Figure 4 It is a schematic diagram of the structure of the rotating assembly in the present invention.

[0028] Figure 5 It is a structural schematic diagram of the mowing mechanism in the present invention.

[0029] Figure 6 It is a structural schematic diagram of the grass-pulling mechanism in the present invention.

[0030] Figure 7 It is a partial structural schematic diagram of the grass-pulling mechanism in the present invention.

[0031] Figure 8 It is a structural schematic diagram of the steam weeding mechanism in the present invention.

[0032] Fig. 9 It is a schematic diagram of the bottom structure of the cover body in the present invention.

[0033] Among them: 1. mounting platform; 2. driving wheel; 3. rotating assembly; 4. gas-fired steam generator; 5. mounting base; 51. second rotating seat; 52. first rotating seat; 53. third rotating seat; 6. mowing mechanism; 7. weeding mechanism; 8. steam weeding mechanism; 9. steering mechanism; 10. power supply; 11. turning axis;

[0034] 301, first motor; 302, worm; 303, worm wheel; 304, mounting arm;

[0035] 601, hollow comb plate; 602, end slide plate; 603, cutting row teeth; 604, connecting rod; 605, gear; 606, driving shaft; 607, second motor; 608, mounting box;

[0036] 701, mounting arm; 702, conveyor belt; 703, shifting teeth; 704, transmission roller; 705, end shaft; 706, pulley; 707, belt.

[0037] 801, gas hose; 802, cover body; 803, rubber skirt; 804, inner tube; 805, steam outlet;

[0038] 901, rotating handle; 902, rotating rod; 903, linkage rod; 904, parallel rod; 905, steering wheel; 906, steering block; 907, limit rack. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] See also Figure 1-Figure 9 In an embodiment of the present invention, a weeding steam hood with an avoidance structure includes a mounting platform 1, a driving wheel 2 is installed at one end of the mounting platform 1, a driving mechanism for driving the driving wheel 2 to rotate is installed on the lower end surface of the mounting platform 1, and a power supply 10 for power supply is installed at a position above the driving wheel 2 on the mounting platform 1; the driving mechanism can drive the axle of the driving wheel 2 when in use, and then drive the driving wheel 2 to rotate, and the rotation of the driving wheel 2 can pull the mounting platform 1 to move.

[0041] The other end of the mounting platform 1 is provided with a steering mechanism 9 for steering, and the steering mechanism 9 includes a rotating rod 902, and the rotating rod 902 is rotatably connected to the positions on both sides of one end of the mounting platform 1, and the lower ends of the rotating rods 902 are fixedly connected with steering blocks 906, and the steering blocks 906 are rotatably connected with a wheel axle, and one end of the wheel axle is installed with a steering wheel 905, and the upper end of the rotating rod 902 is fixedly connected with a rotating handle 901, and one side of the lower end of the rotating rod 902 is fixedly connected with a parallel rod 904, and the two parallel rods 904 are parallel to each other, and a linkage rod 903 is provided between the ends of the two parallel rods 904. Both ends of the rod 903 are rotatably connected. The upper end surface of the mounting platform 1 is also provided with a limit frame 907 for limiting the rotation rod 902. The limit frame 907 is rotatably connected to the rotation rod 902. When steering is required, the rotating handle 901 can be pulled to one side to rotate the rotation rod 902. The rotation of the rotation rod 902 can drive the steering block 906 to rotate. The rotation of the steering block 906 can drive the steering wheel 905 to change its angle, thereby realizing steering. The parallel rod 904 and the linkage rod 903 set at the same time can make the two steering wheels 905 turn synchronously, and the steering angles remain consistent, thereby avoiding the problem of asynchrony.

[0042] A gas-fired steam generator 4 is provided on the upper end surface of the mounting platform 1, a notch is provided on one side of the mounting platform 1, three mounting bases 5 are fixedly connected to the bottom of the notch, a flip shaft 11 is rotatably connected between the three mounting bases 5, a third rotating seat 53, a second rotating seat 51 and a first rotating seat 52 are sequentially provided on the three mounting bases 5 from the driving wheel 2 to the direction of the steering mechanism 9, the third rotating seat 53, the second rotating seat 51 and the first rotating seat 52 are all fixedly connected to the flip shaft 11, a rotating assembly 3 for driving the flip shaft 11 to rotate is provided on one side of the mounting platform 1; the rotating assembly 3 includes a worm gear 303, the worm gear 303 is fixedly connected to the flip shaft 11, and the lower end surface of the mounting platform 1 is close to the worm gear 303. The position of the wheel 303 is fixedly connected to a mounting arm 304, and a worm 302 is rotatably connected between the mounting arm 304 and the mounting platform 1. The upper end surface of the mounting platform 1 is also provided with a first motor 301 for driving the worm 302 to rotate; when it is necessary to drive the second rotating seat 51, the first rotating seat 52 and the third rotating seat 53 to rotate, the first motor 301 drives the worm 302 to rotate, and the rotation of the worm 302 drives the worm wheel 303, and the rotation of the worm wheel 303 can drive the flip shaft 11 to rotate. Since the flip shaft 11 is fixedly connected to the second rotating seat 51, the first rotating seat 52 and the third rotating seat 53, the second rotating seat 51, the first rotating seat 52 and the third rotating seat 53 can be rotated.

[0043] The third rotating seat 53 is provided with a mowing mechanism 6 for cutting tall grass; the mowing mechanism 6 comprises a mounting box 608, the mounting box 608 is fixedly connected to the third rotating seat 53, one end of the mounting box 608 away from the third rotating seat 53 is fixedly connected with a hollow comb tooth plate 601, a cutting row of teeth 603 which cooperates with the convex teeth of the hollow comb tooth plate 601 to cut the weeds is slidably connected inside the hollow comb tooth plate 601, and both ends of the cutting row of teeth 603 are fixedly connected with end slide plates 602, and a power assembly for driving the end slide plate 602 to reciprocate is provided inside the mounting box 608; when working, the power assembly drives the end slide plate 602 to reciprocate, and the end slide plate 602 drives the cutting row of teeth 603 to reciprocate, and the cutting teeth on the cutting row of teeth 603 cooperate with the hollow teeth on the hollow comb tooth plate 601 to achieve a shearing effect, thereby achieving the purpose of cutting taller weeds.

[0044] The power assembly includes a gear 605, which is rotatably connected to a position on one side of the inside of the installation box 608. The edge of the gear 605 is rotatably connected to a connecting rod 604. The end of the connecting rod 604 away from the gear 605 is rotatably connected to the end of the end slide 602. A second motor 607 is fixedly connected to one side of the installation box 608. A driving shaft 606 is installed at the output end of the second motor 607. The driving shaft 606 is fixedly connected to a position inside the installation box 608 with a motor gear. The motor gear is meshed with the gear 605. When working, the second motor 607 drives the driving shaft 606 to rotate, the driving shaft 606 drives the motor gear, the motor gear drives the gear 605, the gear 605 drives the connecting rod 604 to move, and the movement of the connecting rod 604 can drive the end slide 602 to reciprocate.

[0045] The second rotating seat 51 is provided with a grass-pushing mechanism 7 for pushing the cut grass to one side; the grass-pushing mechanism 7 includes a mounting arm 701, the mounting arm 701 is fixedly connected to the second rotating seat 51, both ends of the mounting arm 701 are rotatably connected to end shafts 705, both ends of the end shafts 705 are fixedly connected to transmission rollers 704, a conveyor belt 702 is installed between the two transmission rollers 704 on the same side, a plurality of shifting teeth 703 are fixedly connected to the surface of the conveyor belt 702, and a transmission component for transmitting with the drive shaft 606 is provided inside the mounting arm 701; the transmission component includes The belt pulley 706 is fixedly connected to the driving shaft 606 and the end shaft 705 located inside the mounting arm 701, and a belt 707 is installed between the two belt pulleys 706; when working, the driving shaft 606 drives the belt pulley 706 and the belt 707 to operate, which can then drive the end shaft 705 to rotate, and the rotation of the end shaft 705 drives the transmission roller 704 to rotate, and the rotation of the transmission roller 704 drives the conveyor belt 702 to operate, which can then drive the shifting teeth 703 to operate, and the operation of the shifting teeth 703 can push the cut grass to one side to avoid affecting the normal progress of subsequent steam weeding.

[0046] The first rotating seat 52 is provided with a steam weeding mechanism 8 for communicating with the steam outlet of the gas-fired steam generator 4 to weed the ground weeds; the steam weeding mechanism 8 includes a cover body 802, the cover body 802 is fixedly connected to the first rotating seat 52, an inner tube 804 is fixedly connected to the upper end of the cover body 802, and a plurality of steam outlets 805 are provided at the lower end of the inner tube 804, and a gas hose 801 connected to the upper end of the cover body 802 and connected to the inner tube 804, and the gas hose 801 is remote One end of the cover body 802 is connected to the steam output port of the gas-fired steam generator 4; the lower edge of the cover body 802 is provided with a rubber skirt 803; when working, the gas-fired steam generator 4 transmits the generated steam to the steering mechanism 9, and then transmits it to the inner tube 804 and the steam outlet 805 through the steering mechanism 9, and then the steam is ejected from the steam outlet 805. The set cover body 802 and rubber skirt 803 can make the steam more concentrated, thereby effectively killing the weeds within the cover range.

[0047] The working principle of the present invention is as follows: when in use, the driving component drives the driving wheel 2 to rotate and move the mounting platform 1, the power component drives the end slide 602 to reciprocate, the end slide 602 drives the cutting row teeth 603 to reciprocate, the cutting teeth on the cutting row teeth 603 cooperate with the hollow teeth on the hollow comb plate 601 to achieve a shearing effect, thereby achieving the purpose of cutting higher weeds, and at the same time, the driving shaft 606 drives the pulley 706 and the belt 707 to operate, thereby driving the end shaft 705 to rotate, the end shaft 705 rotates to drive the transmission roller 704 to rotate, the transmission roller 704 rotates to drive the conveyor belt 702 to operate, thereby driving the picking teeth 703 is in operation, and the operation of the shifting teeth 703 can shift the cut grass to one side. At the same time, the gas-fired steam generator 4 transmits the generated steam to the steering mechanism 9, and then transmits it to the inner tube 804 and the steam outlet 805 through the steering mechanism 9, and then the steam is ejected from the steam outlet 805. The set cover body 802 and rubber skirt 803 can make the steam more concentrated, thereby effectively killing the weeds within the cover range. When an obstacle appears in front of the mowing mechanism 6, the mowing mechanism 6, the grass-moving mechanism 7 and the steam weeding mechanism 8 can be folded up by the rotating component 3, and then put down after passing the obstacle, thereby avoiding the obstacle and preventing the obstacle from damaging the equipment.

[0048] The circuit control and connection involved in the present invention can be realized by simple arrangement by technicians in this field, which belongs to the common knowledge in this field, so the present invention will not explain the control method and circuit connection in detail.

[0049] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Although this specification is described in accordance with the implementation modes, not every implementation mode includes only one technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A weed control steam hood with an avoidance structure, comprising a mounting platform (1), a driving wheel (2) being mounted on one end of the mounting platform (1), a driving mechanism for driving the driving wheel (2) to rotate being mounted on the lower end surface of the mounting platform (1), and a steering mechanism (9) for steering being disposed on the other end of the mounting platform (1), characterized in that: The upper end surface of the mounting platform (1) is provided with a gas-fired steam generator (4); a notch is provided on one side of the mounting platform (1); three mounting bases (5) are fixedly connected to the bottom of the notch; a turning shaft (11) is rotatably connected between the three mounting bases (5); a third rotating seat (53), a second rotating seat (51) and a first rotating seat (52) are sequentially provided on the three mounting bases (5) from the driving wheel (2) to the direction of the steering mechanism (9); the third rotating seat (53), the second rotating seat (51) and the first rotating seat (52) are all fixedly connected to the turning shaft (11); a rotating assembly (3) for driving the turning shaft (11) to rotate is provided on one side of the mounting platform (1); The third rotating seat (53) is provided with a mowing mechanism (6) for cutting tall grass; The second rotating seat (51) is provided with a grass-moving mechanism (7) for moving the cut grass to one side; The first rotating seat (52) is provided with a steam weeding mechanism (8) for communicating with the steam outlet of the gas-fired steam generator (4) to weed the weeds on the ground.

2. The weed control steam hood with an avoidance structure according to claim 1, characterized in that: The steering mechanism (9) comprises a rotating rod (902), wherein the rotating rod (902) is rotatably connected to positions on both sides of one end of the mounting platform (1), the lower end of the rotating rod (902) is fixedly connected to a steering block (906), a wheel axle is rotatably connected inside the steering block (906), and a steering wheel (905) is installed at one end of the wheel axle, the upper end of the rotating rod (902) is fixedly connected to a rotating handle (901), and one side of the lower end of the rotating rod (902) is fixedly connected to a parallel rod (904), the two parallel rods (904) are parallel to each other, a linkage rod (903) is provided between the ends of the two parallel rods (904), and both ends of the linkage rod (903) are rotatably connected, and the upper end surface of the mounting platform (1) is also provided with a limit frame (907) for limiting the position of the rotating rod (902), and the limit frame (907) is rotatably connected to the rotating rod (902).

3. The weed control steam hood with an avoidance structure according to claim 1, characterized in that: The rotating assembly (3) comprises a worm wheel (303), wherein the worm wheel (303) is fixedly connected to the tilting shaft (11); a mounting arm (304) is fixedly connected to a position of the lower end surface of the mounting platform (1) near the worm wheel (303); a worm (302) is rotatably connected between the mounting arm (304) and the mounting platform (1); and a first motor (301) for driving the worm (302) to rotate is also provided on the upper end surface of the mounting platform (1).

4. The weed control steam hood with an avoidance structure according to claim 1, characterized in that: The mowing mechanism (6) comprises a mounting box (608), the mounting box (608) being fixedly connected to the third rotating seat (53), one end of the mounting box (608) away from the third rotating seat (53) being fixedly connected to a hollow comb plate (601), a cutting row of teeth (603) being slidably connected inside the hollow comb plate (601) and cooperating with the convex teeth of the hollow comb plate (601) to cut weeds, both ends of the cutting row of teeth (603) being fixedly connected to end slide plates (602), and a power assembly for driving the end slide plate (602) to reciprocate is provided inside the mounting box (608).

5. The weed control steam hood with an avoidance structure according to claim 4, characterized in that: The power assembly comprises a gear (605), the gear (605) being rotatably connected to a position on one side inside the installation box (608), a connecting rod (604) being rotatably connected to an edge of the gear (605), an end of the connecting rod (604) away from the gear (605) being rotatably connected to an end of an end slide plate (602), a second motor (607) being fixedly connected to one side of the installation box (608), a driving shaft (606) being installed at an output end of the second motor (607), a motor gear being fixedly connected to a position of the driving shaft (606) located inside the installation box (608), and the motor gear being meshed with the gear (605).

6. The weed control steam hood with an avoidance structure according to claim 5, characterized in that: The grass-moving mechanism (7) comprises a mounting arm (701), the mounting arm (701) being fixedly connected to a second rotating seat (51), both ends of the mounting arm (701) being rotatably connected to end shafts (705), both ends of the end shafts (705) being fixedly connected to transmission rollers (704), a conveyor belt (702) being mounted between two transmission rollers (704) on the same side, a plurality of shifting teeth (703) being fixedly connected to the surface of the conveyor belt (702), and a transmission assembly for transmitting with a drive shaft (606) being provided inside the mounting arm (701).

7. The weed control steam hood with an avoidance structure according to claim 6, characterized in that: The transmission assembly comprises a pulley (706), wherein the pulley (706) is fixedly connected to a position where the drive shaft (606) and the end shaft (705) are located inside the mounting arm (701), and a belt (707) is installed between the two pulleys (706).

8. The weed control steam hood with an avoidance structure according to claim 1, characterized in that: The steam weeding mechanism (8) comprises a cover body (802), the cover body (802) being fixedly connected to the first rotating seat (52), an inner tube (804) being fixedly connected to the upper end of the cover body (802), a plurality of steam outlets (805) being provided at the lower end of the inner tube (804), a gas hose (801) being connected to the upper end of the cover body (802) and being in communication with the inner tube (804), and an end of the gas hose (801) away from the cover body (802) being in communication with the steam output port of the gas-fired steam generator (4).

9. The weed control steam hood with an avoidance structure according to claim 8, characterized in that: The lower edge of the cover body (802) is provided with a rubber skirt piece (803).

10. The weed control steam hood with an avoidance structure according to claim 1, characterized in that: A power source (10) for supplying power is installed on the mounting platform (1) at a position above the driving wheel (2).

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