Root loosening and weeding device

By designing a root loosening and debris removal device, the problems of uneven soil loosening and difficulty in clearing debris around trees were solved, achieving uniform soil loosening and efficient debris removal, thus improving the health of tree roots and growth efficiency.

CN224503960UActive Publication Date: 2026-07-17STATE-OWNED XIHUA FOREST FARM IN HENAN PROVINCE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
STATE-OWNED XIHUA FOREST FARM IN HENAN PROVINCE
Filing Date
2025-06-24
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing soil loosening devices cannot evenly loosen the soil around a tree, resulting in low root cell respiration efficiency, slow tree growth, and inability to effectively clear debris around the trunk.

Method used

A root loosening and debris removal device was designed, comprising a C-shaped top cover, a loosening mechanism, and a debris removal mechanism. The loosening motor drives the inner toothed ring and the protective ring to drive the plow head to rotate around the tree to loosen the soil, and the debris removal motor drives the rotating roller and blade to remove debris.

Benefits of technology

This method achieves uniform loosening of the soil around trees, improves root respiration, reduces the labor intensity of manual clearing of branches, and improves the efficiency and effectiveness of loosening the soil.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a tree root soil loosening and impurity removing device, including a C -shaped top cover, the outer edge section shape of C -shaped top cover is the U -shaped groove of opening to C -shaped inside, soil loosening mechanism, branch cleaning mechanism, soil loosening mechanism includes the C -shaped inner race ring of sliding setting in the U -shaped groove of top cover, installs C -shaped retainer ring at the inner race ring bottom surface, sets up the soil loosening motor at the bottom of C -shaped top cover inside, and the output of soil loosening motor is equipped with double -groove main pulley, and the inside bottom surface of top cover is rotatably connected with two pinions, and two pinions are engaged with inner race ring respectively, and the bottom surface of pinion is fixedly provided with single -groove driven wheel, and two single -groove driven wheels are connected with the groove of double -groove main pulley through transmission belt, and the outer surface of retainer ring is equipped with the soil loosening structure for soil loosening. The utility model has the beneficial effect that can carry out soil loosening operation around the trunk through soil loosening mechanism, and simultaneously scrapes the branch on the surface of trunk with branch cleaning mechanism.
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Claims

1. A device for loosening soil and removing impurities from tree roots, characterized in that: The device includes a C-shaped top cover with a U-shaped groove on the outer edge of the top cover opening inwards, a soil loosening mechanism, and a debris removal mechanism. The soil loosening mechanism includes a C-shaped internal gear ring slidably disposed within the U-shaped groove of the top cover, a C-shaped protective ring mounted on the bottom surface of the internal gear ring, and a soil loosening motor disposed at the bottom of the inner side of the C-shaped top cover. The output end of the soil loosening motor is equipped with a double-groove main pulley. Two small gears are rotatably connected to the inner bottom surface of the top cover, and the two small gears mesh with the internal gear ring respectively. A single-groove driven wheel is fixedly disposed on the bottom surface of the small gears. The two single-groove driven wheels are connected to one groove of the double-groove main pulley through a transmission belt. The outer surface of the protective ring is provided with a soil loosening structure for loosening soil. The soil loosening motor drives the double-groove main pulley to rotate, and the double-groove main pulley drives the single-groove driven wheel to rotate through the transmission belt. The single-groove driven wheel drives the small gear to rotate synchronously, and the small gear drives the C-shaped internal gear ring to rotate within the U-shaped groove of the top cover.

2. The tree root aeration and weed removal device of claim 1, wherein: The soil loosening structure includes a positioning frame, a guide rod is slidably connected to the positioning frame via a groove, a plow head is installed at the lower end of the guide rod, and the guide rod is fixedly connected to the positioning frame by a locking structure.

3. The tree root aeration and weed removal device of claim 2, wherein: The locking structure includes a fixing hole on the positioning frame, a pin hole on the guide rod, and a pin inserted into the fixing hole and the pin hole.

4. The tree root aeration and weed removal device of claim 2, wherein: The positioning frame is set at equal intervals along the circumference of the protective ring. The positioning frame is provided with multiple sliding grooves that match the guide rods along the radial direction of the top cover. The positioning frame is provided with a fixing hole for each sliding groove.

5. The tree root aeration and weed removal device of claim 2, wherein: The top surface of the plowshare, near the trunk, is fitted with a connecting rod of the same arc shape by bolts, and the connecting rods of multiple plowshares are connected and fixed in sequence.

6. The tree root aeration and weed removal device of claim 1, wherein: The debris removal mechanism includes a support frame, a debris removal motor, and a debris removal structure. The support frame includes an L-shaped support arm. The bottom of the vertical arm of the L-shaped support arm is fixedly installed on the top surface of the positioning frame near the notch of the protective ring. The horizontal arm of the L-shaped support arm is located above the top cover. The debris removal motor is located below the horizontal arm of the L-shaped support arm. The output shaft of the debris removal motor extends through the horizontal arm of the L-shaped support arm to the top of the horizontal arm. The debris removal structure is located at the output shaft end of the debris removal motor.

7. The tree root aeration and weed removal device of claim 6, wherein: The impurity removal structure includes a rotating roller, a mounting rod, a push plate, a push rod, a moving plate, a blade, a top spring, and an adjusting screw. The rotating roller is mounted on the output shaft of the impurity removal motor. The top of the rotating roller has a mounting hole of a certain length inside the roller body. Multiple grooves communicating with the mounting holes are evenly spaced on the circumference of the rotating roller. The push rod is an L-shaped arm. The moving plate is a rectangular plate with a wedge-shaped groove extending from the top of the rectangular plate inwards. A top spring with its extension direction along the radial direction of the rotating roller is located on the side of the wedge-shaped groove near the mounting hole. The moving plate passes through the groove and is inserted into the mounting hole. The push rod... The horizontal arm of the L-shaped arm is inserted into the wedge groove of the moving plate to press the top spring and abut against the slope of the wedge groove. The vertical arm of the L-shaped push rod is set in the mounting hole along the length of the mounting hole. The push plate is an annular plate with a bearing in the annular plate. The annular plate is mounted on the mounting rod through the bearing and is rotatably connected to the mounting rod. The mounting rod is set in the mounting hole. The top of the vertical arm of the L-shaped push rod is connected to the push plate. The top of the mounting rod is equipped with an adjusting screw. The top of the rotating roller is threaded with a head. The head has an internal thread hole in the middle. The adjusting screw is threaded to the internal thread hole. The blade is installed on the side of the moving plate that extends outside the slide groove.

8. The tree root aeration and weed removal device of claim 7, wherein: A positioning ring is slidably connected in the groove opened on the bottom surface of the rotating roller, and the positioning ring is installed on the top surface of the bracket.

9. The tree root aeration and weed removal device of claim 7, wherein: The horizontal arm end of the push rod L-shaped arm is provided with a roller that abuts against the slope of the wedge-shaped groove.