Lawn repairing machine

By combining aeration and seeding mechanisms in a lawn repair machine, automated seeding of grass is achieved, solving the problem of manual seeding required by existing lawn aerators and improving lawn repair efficiency.

CN121713741APending Publication Date: 2026-03-24ZHONGBO (SHIJIAZHUANG) MACHINERY MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-09
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing lawn aerators only have a punching mechanism and lack a grass seeding mechanism, which means that manual seeding is required after punching, which is time-consuming, labor-intensive, and inefficient.

Method used

A lawn repair machine was designed, which combines a perforation mechanism and a seeding mechanism. By setting a discharge hard pipe inside the tube blade, grass seeds can be automatically sown. The crankshaft and synchronous belt ensure the coordinated action of perforation and sowing, and avoid soil clogging of the discharge port.

Benefits of technology

It has improved the efficiency of lawn restoration, enabled automated seeding, reduced manual labor, and enhanced the efficiency and automation of lawn restoration.

✦ Generated by Eureka AI based on patent content.

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Abstract

The lawn repairing machine comprises a box body, a punching mechanism and a sowing mechanism, the box body is fixedly arranged on a chassis, the bottom end of the box body is provided with the punching mechanism in a vertically movable mode, and the box body is internally provided with the sowing mechanism matched with the punching mechanism; the punching mechanism comprises a cylindrical cutter, a middle hole is formed in the rear end face of the cylindrical cutter, the seeding mechanism comprises a discharging hard pipe, the discharging hard pipe is arranged in the cylindrical cutter in a manner of moving up and down, and a discharging opening is formed in the front end face of the discharging hard pipe. A hinge shaft is arranged at the upper end of a middle hole of the cylindrical cutter, a baffle matched with the cylindrical cutter is arranged at the front end of the hinge shaft, and a balancing weight is arranged at the rear end of the hinge shaft. An auxiliary cutter is arranged on the outer side of the cylindrical cutter. The lawn repairing machine is ingenious in design, simple in structure and practical in function, and the problems that an existing lawn perforating machine is only provided with a perforating mechanism and is not provided with a grass seed dibble seeding mechanism, manual dibble seeding is conducted after perforating, time and labor are wasted, and efficiency is low are effectively solved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of lawn repair equipment, in particular to a lawn repair machine. BACKGROUND

[0002] After the lawn is used for a period of time, the lawn bed becomes solid and hardened due to watering and trampling, which causes the soil to be compacted, reduces the soil aeration and water permeability, and affects the growth of the lawn. The lawn punching can expand the surface area of the lawn to improve the permeability of the compacted and thick dead grass layer soil, accelerate the decomposition of the dead grass layer and organic residues of the lawn, and improve the water and fertilizer absorption of the lawn, thereby greatly improving the soil aeration and water permeability and promoting the development of the lawn root system. The lawn has a death phenomenon, and needs to be replanted to make up for the vacancy. However, the existing lawn puncher is only provided with a punching mechanism, and does not have a grass seed planting mechanism, which needs to be planted manually after punching, which is time-consuming and laborious, and has low efficiency. Therefore, how to develop a lawn repair machine becomes a problem to be solved by the technical personnel in the field. SUMMARY

[0003] The purpose of the present application is to provide a lawn repair machine to solve the problem that the existing lawn puncher is only provided with a punching mechanism, and does not have a grass seed planting mechanism, which needs to be planted manually after punching, which is time-consuming and laborious, and has low efficiency.

[0004] To solve the above technical problems, the present application adopts the following technical scheme: The lawn repair machine comprises a box body, a punching mechanism and a seeding mechanism, the box body is fixedly arranged on a chassis, the bottom end of the box body is movably provided with a punching mechanism, and the box body is provided with a seeding mechanism matched with the punching mechanism; the punching mechanism comprises a cylinder knife, an intermediate hole is formed in the rear end face of the cylinder knife, the seeding mechanism comprises a discharge hard pipe, the discharge hard pipe is movably arranged in the interior of the cylinder knife, and a discharge port is arranged on the front end face of the discharge hard pipe.

[0005] Further, the upper end of the intermediate hole of the cylinder knife is provided with a hinge shaft, the front end of the hinge shaft is provided with a baffle matched with the cylinder knife, and the rear end of the hinge shaft is provided with a counterweight; the outer side of the cylinder knife is provided with an auxiliary cutter.

[0006] Further, a first crankshaft is rotatably arranged in the box body, the first crankshaft is hingedly matched with the upper end of a first swing arm, the lower end of the first swing arm is hingedly matched with a first sliding block, the lower end of the first sliding block is fixedly provided with a first connecting rod, and the lower end of the first connecting rod is detachably connected with the cylinder knife.

[0007] Further, the first sliding block is slidably arranged in the box body, and a first guide rail matched with the first sliding block is arranged on the inner wall of the box body.

[0008] Furthermore, a second crankshaft is rotatably disposed inside the housing. The second crankshaft is hinged to the upper end of the second swing arm, and the lower end of the second swing arm is hinged to the second slider. A second connecting rod is fixedly disposed at the lower end of the second slider, and the discharge hard pipe is detachably connected to the lower end of the second connecting rod.

[0009] Furthermore, the second slider is slidably disposed within the housing, and a second guide rail is provided on the inner wall of the housing to cooperate with the second slider.

[0010] Furthermore, a hopper is fixedly installed inside the box, and the lower end of the hopper is connected to the upper end of the discharge rigid pipe through a telescopic flexible hose.

[0011] Furthermore, a solenoid valve is provided at the lower end of the hopper, and a limit switch that cooperates with the second connecting rod is provided at the bottom end of the box. The limit switch is electrically connected to the solenoid valve.

[0012] Furthermore, a drive mechanism is provided inside the housing, the drive mechanism including a motor, a first synchronous belt and a second synchronous belt. The motor is fixedly installed inside the housing, a first driving pulley is provided on the output shaft of the motor, a first driven pulley is provided on the right end of the second crankshaft, the first driving pulley and the first driven pulley are connected by the first synchronous belt, a second driving pulley is provided on the left end of the second crankshaft, a second driven pulley is provided on the left end of the first crankshaft, the second driving pulley and the second driven pulley are connected by the second synchronous belt; the motor is electrically connected to the battery inside the housing.

[0013] Furthermore, the front end of the chassis is equipped with casters, and the rear end of the chassis is equipped with a soil covering roller and a handrail.

[0014] Compared with the prior art, the beneficial technical effects of the present invention are as follows: This invention relates to a lawn repair machine that incorporates a seeding mechanism's discharge tube inside the aeration mechanism's cylinder blade. This allows the discharge tube to extend into the holes punched by the cylinder blade, releasing grass seeds and effectively improving the machine's efficiency. The rear end of the cylinder blade has a central hole for soil removal, while the discharge port of the discharge tube is located at the front end, effectively preventing soil from clogging the tube and ensuring smooth seed release. The seeding mechanism is driven by a second crankshaft, while the aeration mechanism is driven by a first crankshaft. The first and second crankshafts are connected by a second synchronous belt, ensuring consistent operation between the aeration and seeding mechanisms. In summary, this lawn repair machine is ingeniously designed, structurally simple, and functionally practical. It effectively solves the problem of existing lawn aerators that only have a aeration mechanism but lack a seeding mechanism, requiring manual seeding after aeration, which is time-consuming, labor-intensive, and inefficient. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings: Figure 1 This is a left view of the lawn repair machine of the present invention; Figure 2 This is a right view of the lawn repair machine of the present invention; Figure 3 This is a left sectional view of the enclosure; Figure 4 This is a front view of the punching mechanism; Figure 5 This is a front view of the hopper; Figure 6 This is a front view of the second crankshaft; Figure 7 Diagram showing the fit between the cutter head and the discharge rigid pipe (State 1); Figure 8 This is a diagram showing the fit between the cutter head and the discharge rigid pipe (State 2).

[0016] Explanation of reference numerals in the attached drawings: 1. Housing; 101. Handrail; 102. Caster; 103. Soil-covering roller; 104. Motor; 105. Battery; 106. Chassis; 2. Drilling mechanism; 201. First crankshaft; 202. First swing arm; 203. First slider; 204. First connecting rod; 205. Cylinder cutter; 206. Baffle; 207. Counterweight; 208. Hinge shaft; 209. Intermediate hole; 210. Auxiliary cutter; 211. First guide rail; 3. Seeding mechanism; 301, second crankshaft; 302, second swing arm; 303, second slider; 304, second connecting rod; 305, discharge rigid pipe; 306, telescopic flexible hose; 307, solenoid valve; 308, limit switch; 309, hopper; 310, second guide rail; 4. Drive mechanism; 401, first driving wheel; 402, first driven wheel; 403, first synchronous belt; 404, second driving wheel; 405, second driven wheel; 406, second synchronous belt. Detailed Implementation

[0017] like Figures 1 to 8 As shown, a lawn repair machine includes a housing 1, a perforating mechanism 2, and a seeding mechanism 3. The housing 1 is fixedly mounted on a chassis 106. The perforating mechanism 2 is movably mounted on the bottom of the housing 1. The seeding mechanism 3, which cooperates with the perforating mechanism 2, is installed inside the housing 1.

[0018] The front end of the chassis 106 is equipped with casters 102, and the rear end of the chassis 106 is equipped with a soil covering roller 103 and a handrail 101. The lawn repair machine of this invention incorporates a discharge pipe 305 of the seeding mechanism 3 inside the cylinder blade 205 of the aeration mechanism 2, allowing the discharge pipe 305 to extend into the holes punched by the cylinder blade 205 to release grass seeds, effectively improving the equipment's working efficiency. The soil covering roller 103 can, to a certain extent, bury the grass seeds in the holes.

[0019] Specifically, the punching mechanism 2 includes a cylindrical blade 205, with a central hole 209 on the rear end face of the cylindrical blade 205. The seeding mechanism 3 includes a discharge hard tube 305, which is movably disposed inside the cylindrical blade 205. A discharge port is provided on the front end face of the discharge hard tube 305.

[0020] A hinge shaft 208 is provided at the upper end of the middle hole 209 of the cylindrical cutter 205. A baffle 206 that cooperates with the cylindrical cutter 205 is provided at the front end of the hinge shaft 208, and a counterweight 207 is provided at the rear end of the hinge shaft 208.

[0021] like Figure 7 and Figure 8 As shown, during drilling, the baffle 206 is tilted inside the tube cutter 205 under the action of the counterweight 207, the discharge hard pipe 305 moves upward, the tube cutter 205 moves downward and inserts into the soil, and some soil is discharged through the middle hole 209 under the guidance of the baffle 206; during sowing, the tube cutter 205 moves upward, the discharge hard pipe 305 moves downward to push open the baffle 206 and insert into the hole.

[0022] An auxiliary cutter 210 is provided on the outer side of the cylindrical cutter 205. The auxiliary cutter 210 can increase the drilling diameter of the cylindrical cutter 205, which is conducive to the discharge pipe 305 discharging grass seeds from the front end. The discharge port of the discharge pipe 305 is located at the front, which can effectively prevent soil from clogging the discharge port.

[0023] A first crankshaft 201 is rotatably disposed inside the housing 1. The first crankshaft 201 is hinged to the upper end of the first swing arm 202. The lower end of the first swing arm 202 is hinged to the first slider 203. A first connecting rod 204 is fixedly disposed at the lower end of the first slider 203. The lower end of the first connecting rod 204 is detachably connected to the cylindrical cutter 205.

[0024] The first slider 203 is slidably disposed inside the housing 1, and the inner wall of the housing 1 is provided with a first guide rail 211 that cooperates with the first slider 203.

[0025] A second crankshaft 301 is rotatably disposed inside the housing 1. The second crankshaft 301 is hinged to the upper end of the second swing arm 302. The lower end of the second swing arm 302 is hinged to the second slider 303. A second connecting rod 304 is fixedly disposed at the lower end of the second connecting rod 304. The discharge hard pipe 305 is detachably connected to the lower end of the second connecting rod 304.

[0026] The second slider 303 is slidably disposed inside the housing 1, and a second guide rail 310 is provided on the inner wall of the housing 1 to cooperate with the second slider 303.

[0027] A hopper 309 is fixedly installed inside the housing 1. The lower end of the hopper 309 is connected to the upper end of the discharge hard pipe 305 through a telescopic flexible hose 306.

[0028] The lower end of the hopper 309 is provided with a solenoid valve 307, and the bottom end of the housing 1 is provided with a limit switch 308 that cooperates with the second connecting rod 304. The limit switch 308 is electrically connected to the solenoid valve 307.

[0029] A drive mechanism 4 is provided inside the housing 1. The drive mechanism 4 includes a motor 104, a first synchronous belt 403, and a second synchronous belt 406. The motor 104 is fixedly installed inside the housing 1. A first drive pulley 401 is provided on the output shaft of the motor 104. A first driven pulley 402 is provided at the right end of the second crankshaft 301. The first drive pulley 401 and the first driven pulley 402 are connected by the first synchronous belt 403. A second drive pulley 404 is provided at the left end of the second crankshaft 301. A second driven pulley 405 is provided at the left end of the first crankshaft 201. The second drive pulley 404 and the second driven pulley 405 are connected by the second synchronous belt 406. The motor 104 is electrically connected to a battery 105 inside the housing 1.

[0030] The sowing mechanism 3 of the lawn repair machine of the present invention is driven by the second crankshaft 301, and the perforation mechanism 2 is driven by the first crankshaft 201. The first crankshaft 201 and the second crankshaft 301 are connected by the second synchronous belt 406, which ensures the consistency of the operation of the perforation mechanism 2 and the sowing mechanism 3.

[0031] The working process of this invention is as follows: First, the first crankshaft 201 drives the cylindrical cutter 205 downward via the first rocker arm 202, the first slider 203, and the first connecting rod 204. Simultaneously, the second crankshaft 301 drives the discharge rigid pipe 305 upward via the second rocker arm 302, the second slider 303, and the second connecting rod 304. Second, under the action of the counterweight 207, the baffle 206 tilts inside the cylindrical cutter 205, causing the cylindrical cutter 205 to insert downward into the soil. Part of the soil is discharged through the central hole 209 under the guidance of the baffle 206. Third, the first crankshaft 201 drives the cylindrical cutter 205 downward via the first rocker arm 202, the first slider 203, and the first connecting rod 204. 05. Moving upwards, the second crankshaft 301 drives the discharge hard pipe 305 downwards via the second swing arm 302, the second slider 303, and the second connecting rod 304, opening the baffle 206 and inserting it into the hole; in the fourth step, at this time, the second connecting rod 304 contacts the limit switch 308 inside the housing 1, and the solenoid valve 307 on the hopper 309 is turned on, and the grass seeds reach the hole through the hopper 309, the telescopic hose 306, and the discharge hard pipe 305; in the fifth step, repeat the first to fourth steps to complete multiple drilling and sowing; in the sixth step, during this period, the chassis 106 is manually pushed to move the housing 1 forward, and the soil covering roller 103 pushes some soil into the hole to cover the grass seeds.

[0032] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A lawn repair machine, characterized in that: The device includes a housing (1), a punching mechanism (2), and a seeding mechanism (3). The housing (1) is fixedly mounted on a chassis (106). The punching mechanism (2) is movable up and down at the bottom of the housing (1). The seeding mechanism (3) is installed inside the housing (1) and works in conjunction with the punching mechanism (2). The punching mechanism (2) includes a cylindrical blade (205). A central hole (209) is provided on the rear end face of the cylindrical blade (205). The seeding mechanism (3) includes a discharge hard pipe (305). The discharge hard pipe (305) is movable up and down inside the cylindrical blade (205). A discharge port is provided on the front end face of the discharge hard pipe (305).

2. The lawn repair machine according to claim 1, characterized in that: The upper end of the middle hole (209) of the cylindrical cutter (205) is provided with a hinge shaft (208), the front end of the hinge shaft (208) is provided with a baffle (206) that cooperates with the cylindrical cutter (205), and the rear end of the hinge shaft (208) is provided with a counterweight (207); an auxiliary cutter (210) is provided on the outer side of the cylindrical cutter (205).

3. The lawn repair machine according to claim 1, characterized in that: The housing (1) is rotatably provided with a first crankshaft (201), the first crankshaft (201) is hinged to the upper end of the first swing arm (202), the lower end of the first swing arm (202) is hinged to the first slider (203), the lower end of the first slider (203) is fixedly provided with a first connecting rod (204), and the lower end of the first connecting rod (204) is detachably connected to the barrel cutter (205).

4. The lawn repair machine according to claim 3, characterized in that: The first slider (203) is slidably disposed inside the housing (1), and the inner wall of the housing (1) is provided with a first guide rail (211) that cooperates with the first slider (203).

5. The lawn repair machine according to claim 1, characterized in that: The housing (1) is rotatably provided with a second crankshaft (301). The second crankshaft (301) is hinged to the upper end of the second swing arm (302). The lower end of the second swing arm (302) is hinged to the second slider (303). The lower end of the second slider (303) is fixedly provided with a second connecting rod (304). The lower end of the second connecting rod (304) is detachably connected to the discharge hard pipe (305).

6. The lawn repair machine according to claim 5, characterized in that: The second slider (303) is slidably disposed inside the housing (1), and a second guide rail (310) is provided on the inner wall of the housing (1) to cooperate with the second slider (303).

7. The lawn repair machine according to claim 5, characterized in that: A hopper (309) is fixedly installed inside the box (1), and the lower end of the hopper (309) is connected to the upper end of the discharge hard pipe (305) through a telescopic hose (306).

8. The lawn repair machine according to claim 7, characterized in that: The lower end of the hopper (309) is provided with a solenoid valve (307), and the bottom end of the housing (1) is provided with a limit switch (308) that cooperates with the second connecting rod (304). The limit switch (308) is electrically connected to the solenoid valve (307).

9. The lawn repair machine according to claim 5, characterized in that: The housing (1) is equipped with a drive mechanism (4), which includes a motor (104), a first synchronous belt (403), and a second synchronous belt (406). The motor (104) is fixedly installed in the housing (1). A first drive wheel (401) is installed on the output shaft of the motor (104). A first driven wheel (402) is installed at the right end of the second crankshaft (301). The first drive wheel (401) and the first driven wheel (402) are connected by the first synchronous belt (403). A second drive wheel (404) is installed at the left end of the second crankshaft (301). A second driven wheel (405) is installed at the left end of the first crankshaft (201). The second drive wheel (404) and the second driven wheel (405) are connected by the second synchronous belt (406). The motor (104) is electrically connected to the battery (105) inside the housing (1).

10. The lawn repair machine according to claim 1, characterized in that: The front end of the chassis (106) is provided with casters (102), and the rear end of the chassis (106) is provided with a soil covering roller (103) and a handrail (101).