CN220211060U

CN220211060U - Portable agricultural weeder

Info

Publication number: CN220211060U
Application number: CN202321751611.0U
Authority: CN
Inventors: 李季; 赵世英; 吴常虹; 王雍家; 房书斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2023-12-22
Anticipated expiration: 2033-07-05

Abstract

The utility model relates to the field of agricultural weeding and discloses a portable agricultural weeding machine which comprises a bottom plate, wherein universal wheels are movably connected to two sides of the bottom end of the bottom plate, a push-pull rod is fixedly connected to one side of the top end of the bottom plate, a storage battery is fixedly connected to the top end of the bottom plate on one side of the push-pull rod, a grass storage box is fixedly connected to the top end of the bottom plate on one side of the storage battery, a fixing frame is fixedly connected to one side of the bottom plate, the output end of a pneumatic telescopic rod penetrates through the fixing frame and is fixedly connected with a fixing seat, and a cutter disc is movably connected to the bottom end of the mounting seat. This portable agricultural weeder through screw thread piece and the inside screw thread cooperation of screw thread groove, the elasticity of reuse installation spring for the installation piece removes the card to the mounting hole inside, and then can avoid screw thread piece and the inside screw thread of screw thread groove not hard up, avoids leading to the screw thread not hard up firm stability that influences the cutter disc installation because of cutting vibration, and then can be convenient for maintain or change the action to the quick assembly disassembly of cutter disc.

Description

Portable agricultural weeder

Technical Field

The utility model relates to the field of agricultural weeding, in particular to a portable agricultural weeding machine.

Background

The weeding machine is a mechanical tool for trimming lawns, vegetation and the like, can greatly lighten the labor amount of manual weeding and improve the corresponding weeding efficiency, and is also frequently required to be used for removing weeds in crops in the agricultural planting process.

In the chinese utility model patent: the portable agricultural weeding machine comprises a fixed plate, wherein a storage mechanism is arranged on the surface of the fixed plate, a containing mechanism is arranged on the side face of the storage mechanism, through holes are formed in the surface of the fixed plate, weeding mechanisms are arranged in the through holes, four walking wheels are fixedly connected to the side face of the fixed plate, and the four walking wheels are arranged on the side face of the fixed plate in a rectangular shape; according to the weeding mechanism, when people need to trim weeds with different heights, the people only need to control the electric push rod to extend through the control switch, so that the height of the supporting plate with the positive and negative motors can be adjusted, then the people control the positive and negative motors to operate through the control switch, so that the weeds with different heights can be trimmed, and the weeds with different heights can be trimmed in the trimming process of the weeds, so that the working pressure of the people is relieved.

The following problems exist in the prior art:

1. in the prior art, the portable agricultural weeding machine is inconvenient to assemble, disassemble and maintain, and the cutter disc is more complicated and inconvenient to assemble and disassemble, but when the cutter disc is worn and needs to be maintained or replaced, more effort is often required to be spent on disassembling and assembling the cutter disc by staff, and further the cutter disc is more complicated and inconvenient to maintain.

2. Portable agricultural weeder among the prior art is inconvenient buffering shock attenuation, when promoting the walking, inconvenient jolt vibration that produces the universal wheel roll carries out the buffering consumption, and then makes promote the walking not steady enough, is unfavorable for getting rid of the freeze to the pruning of weeds.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a portable agricultural weeding machine which has the advantages of convenient disassembly and maintenance, convenient buffering and vibration reduction and the like, and solves the problems in the background art.

(II) technical scheme

In order to achieve the purposes of being convenient to disassemble, assemble and maintain and buffering and damping, the utility model provides the following technical scheme: the utility model provides a portable agricultural weeder, includes the bottom plate, the both sides swing joint of bottom plate bottom has the universal wheel, the inside swing joint of bottom plate on universal wheel top has buffer structure, one side fixedly connected with push-and-pull rod on bottom plate top, the bottom plate top fixedly connected with battery on push-and-pull rod one side, the bottom plate top fixedly connected with of battery one side deposits the grass case, the top fixedly connected with negative pressure fan of depositing the grass case, one side fixedly connected with mount of bottom plate, one side fixedly connected with pneumatic telescopic link on mount top, pneumatic telescopic link's output runs through mount and fixedly connected with fixing base, the bottom fixedly connected with collection bits cover on fixing base one side, collection bits cover's top is through hose and deposit the inside intercommunication of grass case, the inside lower extreme fixedly connected with driving motor of fixing base, the driving motor output extends to the outside of fixing base and through coupling fixedly connected with mount pad, the inside swing joint of mount pad has mounting structure, the bottom swing joint of mount pad has the cutter head.

The mounting structure comprises a thread groove, the inside at the mount pad is seted up to the thread groove, the mount pad inside upper end of thread groove one side has been seted up the mounting groove, mount pad one side upper end swing joint has the installation pole that extends to the inside of mounting groove, one side fixedly connected with installation piece of installation pole, the installation pole surface winding of installation piece one side has a mounting spring, the inside wall fixed connection of mounting spring one side and mounting groove, the intermediate position department fixedly connected with screw thread piece on cutting blade disc top, the mounting hole has been seted up to the upper end of screw thread piece inside one side, through the screw thread cooperation of screw thread piece and thread groove inside, the elasticity of reuse mounting spring for the installation piece removes the card to the mounting hole inside, and then can avoid screw thread piece and the inside screw thread of thread groove not hard up, avoid leading to the screw thread to not hard up and influence the firm stability of cutting blade disc installation because of cutting vibration.

Preferably, a thread matching structure is formed between the thread block and the inside of the thread groove, and a welding integrated structure is formed between the bottom end of the thread block and the top end of the cutter disc, so that quick assembly disassembly between the cutter disc and the mounting seat is realized.

Preferably, a clamping structure is formed between the mounting block and the inside of the mounting hole, and the length of the mounting block is smaller than the depth of the inside of the mounting groove, so that long-term firm mounting between the cutter disc and the mounting seat is ensured.

Preferably, the buffer structure comprises a buffer groove, the buffer groove is formed in two sides of the inside of the bottom plate, the two sides of the top wall of the buffer groove are fixedly connected with dampers, buffer springs are wound on the surfaces of the dampers, the bottom ends of the dampers are fixedly connected with buffer columns, the bottom ends of the buffer columns extend to the outside of the bottom plate and are fixedly connected with the top ends of the universal wheels, when the bottom plate rotates to generate jolt, the buffer springs are used for absorbing jolt impact force generated by the universal wheels, the dampers are used for consuming the elastic force absorbed by the buffer springs, and the buffer shock absorption during movement of the universal wheels is realized, so that the bottom plate moves more stably.

Preferably, the lower extreme of buffer tank inside wall has seted up the spout, and buffer column both sides upper end fixedly connected with spout inside looks sliding fit's slider for the upper and lower slip of buffer column is more steady smooth and easy.

Preferably, the limiting groove is formed in the inner side wall of the fixing frame, and a limiting block which is in sliding fit with the inside of the limiting groove is fixedly connected to the upper end of one side of the fixing seat, so that the fixing seat can slide up and down more stably, and weeding actions at different heights can be realized conveniently.

Advantageous effects

Compared with the prior art, the utility model provides a portable agricultural weeding machine, which comprises the following components

The beneficial effects are that:

1. this portable agricultural weeder, through the mounting structure who sets up, through the screw thread cooperation of screw thread piece and thread groove inside, realize cutting between blade disc and the mount pad firmly install, the elasticity of reuse installation spring, make the installation piece remove the card inside to the mounting hole, and then can avoid screw thread piece and thread groove inside screw thread not hard up, avoid leading to the screw thread not hard up firm stability that influences cutting blade disc installation because of cutting vibration, and then can be convenient for maintain or change the action to cutting blade disc's quick assembly disassembly, avoid traditional inconvenient to its dismouting maintenance's loaded down with trivial details, improve its practicality, thereby the problem of inconvenient dismouting maintenance has been solved.

2. This portable agricultural weeder, when jolting through the buffer structure that sets up, can make the universal wheel remove and drive the buffer column and rise, and then can compress buffer spring and attenuator, realize absorbing the jolting impulse that the universal wheel produced through buffer spring, and utilize the attenuator to consume buffer spring absorbing elasticity, the buffering shock attenuation when realizing the universal wheel and remove, make the bottom plate more steady remove, and then be convenient for follow-up cutter disc more steady rotation weeding action, improve its practicality, thereby solve inconvenient buffering absorbing problem.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic view of a three-dimensional structure of a fixing frame of the present utility model;

FIG. 4 is a schematic view of a partial enlarged structure of a mounting seat according to the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a push-pull rod; 2. a buffer structure; 201. a buffer column; 202. a buffer tank; 203. a chute; 204. a slide block; 205. a buffer spring; 206. a damper; 3. a universal wheel; 4. a bottom plate; 5. a grass storage box; 6. a chip collecting cover; 7. a cutter disc; 8. a mounting structure; 801. a mounting hole; 802. a mounting groove; 803. a mounting rod; 804. installing a spring; 805. a mounting block; 806. a screw block; 807. a thread groove; 9. a fixing seat; 10. a driving motor; 11. a limiting block; 12. a limit groove; 13. a fixing frame; 14. a pneumatic telescopic rod; 15. a negative pressure fan; 16. a storage battery; 17. and (5) a mounting seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The preferred embodiments of the portable agricultural weeder provided by the utility model are shown in fig. 1 to 5: the utility model provides a portable agricultural weeder, including bottom plate 4, the both sides swing joint of bottom plate 4 bottom has universal wheel 3, the inside swing joint of bottom plate 4 on universal wheel 3 top has buffer structure 2, one side fixedly connected with push-and-pull rod 1 on bottom plate 4 top fixedly connected with battery 16 on one side of push-and-pull rod 1, the bottom plate 4 top fixedly connected with of battery 16 side deposits grass case 5, the top fixedly connected with negative pressure fan 15 of depositing grass case 5, one side fixedly connected with mount 13 of bottom plate 4, one side fixedly connected with pneumatic telescopic link 14 on mount 13 top, the output of pneumatic telescopic link 14 runs through mount 13 and fixedly connected with fixing base 9, the bottom fixedly connected with bits collection cover 6 on fixing base 9 side, the top of bits collection cover 6 is through hose and the inside intercommunication of depositing grass case 5, the inside lower extreme fixedly connected with driving motor 10 of fixing base 9, driving motor 10 output extends to the outside of fixing base 9 and through coupling fixedly connected with mount 17, the inside swing joint of mount 17 has mounting structure 8, the bottom swing joint of mount 17 has cutter disc 7.

The mounting structure 8 comprises a thread groove 807, the thread groove 807 is formed in the mounting seat 17, the mounting groove 802 is formed in the upper end of the inside of the mounting seat 17 on one side of the thread groove 807, a mounting rod 803 extending into the inside of the mounting groove 802 is movably connected to the upper end of one side of the mounting seat 17, a mounting block 805 is fixedly connected to one side of the mounting rod 803, a mounting spring 804 is wound on the surface of the mounting rod 803 on one side of the mounting block 805, one side of the mounting spring 804 is fixedly connected with the inner side wall of the mounting groove 802, a thread block 806 is fixedly connected to the middle position of the top end of the cutter disc 7, a mounting hole 801 is formed in the upper end of one side of the thread block 806, when the cutter disc 7 needs to be disassembled and maintained, the elastic force of the mounting spring 804 is reused, so that the mounting block 805 moves and is clamped into the mounting hole 801, and therefore loosening of threads in the thread groove 807 is avoided, and the firm stability of the installation of the cutter disc 7 is prevented from being influenced due to loosening of threads caused by cutting vibration.

In this embodiment, a threaded engagement structure is formed between the threaded block 806 and the interior of the threaded channel 807, and a welded integral structure is formed between the bottom end of the threaded block 806 and the top end of the cutter disc 7, whereby quick assembly and disassembly between the cutter disc 7 and the mounting seat 17 is achieved by utilizing the threaded engagement of the threaded block 806 and the interior of the threaded channel 807.

In this embodiment, the engagement structure is formed between the mounting block 805 and the inside of the mounting hole 801, and the length of the mounting block 805 is smaller than the depth of the inside of the mounting groove 802, so that the loosening of the threads of the thread block 806 and the inside of the thread groove 807 due to vibration generated by the rotary cutting of the cutter disc 7 can be avoided by utilizing the engagement of the mounting block 805 and the inside of the mounting hole 801, and further, the long-term firm mounting between the cutter disc 7 and the mounting seat 17 can be ensured.

Example 2

On the basis of the embodiment 1, a preferred embodiment of the portable agricultural weeder provided by the utility model is shown in fig. 1 to 5: the buffer structure 2 comprises buffer grooves 202, the buffer grooves 202 are formed in two sides of the inside of the base plate 4, dampers 206 are fixedly connected to two sides of the inner top wall of the buffer grooves 202, buffer springs 205 are wound on the surfaces of the dampers 206, buffer columns 201 are fixedly connected to the bottom ends of the dampers 206, the bottom ends of the buffer columns 201 extend to the outside of the base plate 4 and are fixedly connected with the top ends of the universal wheels 3, when the base plate 4 rotates to generate jolt, jolt impact force generated by the universal wheels 3 is absorbed by the buffer springs 205, and the elastic force absorbed by the buffer springs 205 is consumed by the dampers 206, so that the buffer shock absorption when the universal wheels 3 move is realized, and the base plate 4 moves more stably.

In this embodiment, the lower end of the inner side wall of the buffer slot 202 is provided with the sliding slot 203, and the upper ends of the two sides of the buffer column 201 are fixedly connected with the sliding blocks 204 which are in sliding fit with the inside of the sliding slot 203, so that the up-and-down sliding of the buffer column 201 is smoother and smoother by utilizing the sliding of the sliding blocks 204 in the sliding slot 203.

In addition, the limiting groove 12 is formed in the inner side wall of the fixing frame 13, a limiting block 11 which is in sliding fit with the inside of the limiting groove 12 is fixedly connected to the upper end of one side of the fixing seat 9, and the fixing seat 9 can slide up and down more stably through sliding of the limiting block 11 in the limiting groove 12, so that weeding actions of different heights can be realized conveniently.

When the weeding machine is used, a worker holds the push-pull rod 1 and pushes the bottom plate 4, meanwhile, when the bottom plate 4 rotates to generate jolt, the universal wheel 3 can be enabled to move to drive the buffer column 201 to ascend, the buffer spring 205 and the damper 206 can be compressed, jolt impulse force generated by the universal wheel 3 is absorbed through the buffer spring 205, the elasticity absorbed by the buffer spring 205 is consumed by the damper 206, and the buffering and shock absorption when the universal wheel 3 moves are realized, so that the bottom plate 4 can be enabled to move more stably, and subsequent weeding actions are facilitated;

simultaneously, the pneumatic telescopic rod 14 can be started to drive the fixed seat 9 to slide up and down, and the limiting block 11 is utilized to slide in the limiting groove 12, so that the fixed seat 9 slides up and down more stably, weeds with different heights can be conveniently cut by the cutter disc 7, then the driving motor 10 is started to drive the mounting seat 17 to rotate, so that the cutter disc 7 rotates to cut the weeds, the negative pressure fan 15 can be started, negative pressure is generated in the grass storage box 5, and then the scraps and weeds generated by cutting are sucked into the grass storage box 5 by the scraps collecting cover 6;

when the cutter disc 7 needs to be disassembled and maintained, the mounting rod 803 can be pulled to drive the mounting block 805 to move to compress the mounting spring 804 to be completely separated from the inside of the mounting hole 801, then the cutter disc 7 is rotated, so that the thread block 806 is separated from the inside of the thread groove 807, the disassembly action of the cutter disc 7 is realized, meanwhile, when the cutter disc 7 is mounted, the mounting rod 803 can be pulled to drive the mounting block 805 to slide to completely enter the inside of the mounting groove 802, the thread fit between the thread block 806 and the inside of the thread groove 807 is utilized, the firm mounting between the cutter disc 7 and the mounting seat 17 is realized, the mounting rod 803 is loosened, the elastic force of the mounting spring 804 is utilized, the mounting block 805 is enabled to move and be clamped into the inside of the mounting hole 801, and further the thread loosening between the thread block 806 and the inside of the thread groove 807 can be avoided, and long-term and stable mounting and fixing between the cutter disc 7 and the mounting seat 17 are ensured.

To sum up, this portable agricultural weeder, the device can realize cutting blade disc 7's quick assembly disassembly and maintenance, avoids traditional troublesome to its dismouting and maintenance, improves its practicality, can realize the buffering shock attenuation that universal wheel 3 removed simultaneously for bottom plate 4 more steady removal, and then the more steady rotation weeding action of follow-up cutting blade disc 7 of being convenient for.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable agricultural weeder, includes bottom plate (4), its characterized in that: the utility model discloses a solar energy collection device, including base plate (4), pneumatic telescopic link (14), fixed seat (9) are installed to base plate (4) inside swing joint of universal wheel (3), one side fixedly connected with push-and-pull rod (1) on base plate (4) top on push-and-pull rod (1) side, bottom plate (4) top fixedly connected with grass storage box (5) on battery (16) one side, grass storage box (5) top fixedly connected with negative pressure fan (15), one side fixedly connected with mount (13) of base plate (4), one side fixedly connected with pneumatic telescopic link (14) on mount (13) top, the output of pneumatic telescopic link (14) runs through mount (13) and fixedly connected with fixing base (9), bottom fixedly connected with bits collection cover (6) on one side of fixing base (9), the top of bits collection cover (6) is through hose and grass storage box (5) inside intercommunication, motor (10) are deposited to bottom fixedly connected with motor (10) inside fixing base (9), driving end (10) are through the fixed seat (17) of fixing base (17) inside extension, driving end (17) are installed to the fixed seat (17), the bottom end of the mounting seat (17) is movably connected with a cutter disc (7);

mounting structure (8) include screw thread groove (807), screw thread groove (807) are seted up in the inside of mount pad (17), mount pad (17) inside upper end on one side of screw thread groove (807) has been seted up mounting groove (802), mount pad (17) one side upper end swing joint has mounting rod (803) that extend to inside of mount groove (802), one side fixedly connected with installation piece (805) of mounting rod (803), mounting rod (803) surface winding on one side of installation piece (805) has installation spring (804), the inside wall fixed connection of mounting spring (804) one side and mounting groove (802), intermediate position department fixedly connected with screw thread piece (806) on the top of cutter disc (7), mounting hole (801) have been seted up to the upper end on one side of screw thread piece (806) inside.

2. A portable agricultural weeder according to claim 1, wherein: a thread matching structure is formed between the thread block (806) and the inside of the thread groove (807), and a welding integrated structure is formed between the bottom end of the thread block (806) and the top end of the cutter disc (7).

3. A portable agricultural weeder according to claim 1, wherein: and the mounting block (805) and the inside of the mounting hole (801) form a clamping structure, and the length of the mounting block (805) is smaller than the depth of the inside of the mounting groove (802).

4. A portable agricultural weeder according to claim 1, wherein: the buffer structure (2) comprises buffer grooves (202), wherein the buffer grooves (202) are formed in two sides of the inside of the bottom plate (4), dampers (206) are fixedly connected to two sides of the inner top wall of the buffer grooves (202), buffer springs (205) are wound on the surfaces of the dampers (206), buffer columns (201) are fixedly connected to the bottom ends of the dampers (206), and the bottom ends of the buffer columns (201) extend to the outside of the bottom plate (4) and are fixedly connected with the top ends of the universal wheels (3).

5. A portable agricultural weeder according to claim 4 wherein: the lower end of the inner side wall of the buffer groove (202) is provided with a sliding groove (203), and the upper ends of the two sides of the buffer column (201) are fixedly connected with sliding blocks (204) which are in sliding fit with the inside of the sliding groove (203).

6. A portable agricultural weeder according to claim 1, wherein: the limiting groove (12) is formed in the inner side wall of the fixing frame (13), and a limiting block (11) which is in sliding fit with the inside of the limiting groove (12) is fixedly connected to the upper end of one side of the fixing seat (9).