Device for cleaning and digging bamboo pockets with piles for regulating and controlling density of bamboo forest

Abstract

The utility model provides a digging device and method for bamboo pockets with piles for regulating and controlling the density of a bamboo forest, and belongs to the technical field of agriculture and forestry. The cleaning and digging device comprises a driving motor, a rotating shaft connected to an output shaft of the driving motor and a gear box rotationally connected to the lower end of the rotating shaft, a driving gear rotationally connected to a box body of the gear box through a bearing, a driven gear and two planetary gears are arranged in the gear box, the two planetary gears are transversely coaxial, and the driving gear and the driven gear are longitudinally coaxial; the gear box is sleeved with a rotary cutter cylinder, the rotary cutter cylinder is connected with a box body of the gear box through a spiral spring, the driving gear is connected with the lower end of the rotating shaft, and the driven gear is connected with a spiral drill bit located in the center of the rotary cutter cylinder. The method has the advantages of high efficiency, small land damage and the like.

Description

Technical Field

[0001] This utility model belongs to the field of agricultural and forestry technology, and relates to a bamboo sack cleaning device with stakes for bamboo forest density control. Background Technology

[0002] Lei bamboo belongs to the Poaceae family and is an excellent bamboo species for shoot production among scattered bamboo species, with early shoot emergence. It is widely distributed in areas south of the Yangtze River. There are two varieties of Lei bamboo: broad-leaved Lei bamboo and narrow-leaved Lei bamboo. The narrow-leaved Lei bamboo shoots emerge 10-15 days earlier than the broad-leaved Lei bamboo. Its shoots are sweet and tender, with high yield and higher economic benefits than the broad-leaved Lei bamboo. Therefore, the narrow-leaved Lei bamboo is more widely planted. Its shoots have advantages such as high yield, delicious taste, and significant economic benefits. Moreover, the bamboo shoots are tender, crisp, and refreshing, with high nutritional value. They have always been loved by people and are regarded as a mountain delicacy and high-quality forest product. They are a traditional major export agricultural and forestry product of my country.

[0003] In the cultivation of Lei bamboo forests, the rational adjustment of bamboo forest density and structure is crucial. Under certain management conditions, the productivity of a bamboo forest stand depends on its structure. A reasonable bamboo forest structure can fully and effectively utilize solar energy and water and fertilizer conditions, thereby increasing bamboo forest yield. Simultaneously, the density of upright bamboo shoots is vital to the rhizome system. The quality and structure of the rhizome system in Lei bamboo forests not only affect the above-ground plant structure but also directly influence the development and growth of underground winter and spring bamboo shoots, thus affecting the yield and value of fresh Lei bamboo shoots. Studies on the management density of Lei bamboo by Zhang Zhuowen et al. (2012) and Li Jixiong (2011) show that a reasonable upright bamboo density for Lei bamboo is 12,000–15,000 plants / hm², which fully utilizes the land and provides suitable photosynthesis, facilitating nutrient synthesis and accumulation, and promoting bamboo shoot growth.

[0004] Adjusting the density of standing bamboo can improve light, moisture, heat, and air permeability in the forest, thereby directly affecting the growth of trees. The density of standing bamboo is one of the important human-adjustable methods.

[0005] Currently, the main problems in controlling bamboo forest density are as follows:

[0006] 1. The common practice of controlling bamboo density and age structure by felling and removing flowering bamboo, diseased bamboo, and old bamboo (4-5 years or older) results in an increasing number of bamboo culms with stubble attached, occupying significant space for shoot emergence and depleting soil nutrients, thus affecting the quantity and quality of shoots. This is because current bamboo felling methods involve cutting off the portion above the stubble and then completely removing the culm, or damaging the stubble to allow it to slowly rot. Both methods have significant drawbacks. Removing the culm requires a large excavation area and soil depth, disrupting the soil structure after leveling and filling the pits. It also damages the rhizomes containing the culm and other rhizomes surrounding it, reducing the forest's ability to reproduce and increasing labor intensity. Natural rotting, on the other hand, takes too long (complete rotting requires over five years), occupies space for shoot emergence, and absorbs a large amount of soil nutrients even before rotting, making it less than ideal.

[0007] 2. Due to the irregular shape of bamboo groves and the fact that they are generally located on slopes, bamboo culms are not easily removed by agricultural machinery. The efficiency of removal and the intensity of manual labor are also important economic indicators.

[0008] In conclusion, the method of removing bamboo stubble with stakes is particularly crucial for controlling bamboo forest density, as it directly affects forest productivity and economic benefits. Utility Model Content

[0009] The purpose of this invention is to address the aforementioned problems in existing technologies by providing a bamboo shovel cleaning device with piles for controlling bamboo forest density. The technical problem this invention aims to solve is how to improve and reduce the size of the bamboo shovel pit, thereby reducing the workload.

[0010] The purpose of this utility model can be achieved through the following technical solution: A bamboo shovel clearing device with stakes for bamboo forest density control, characterized in that it includes a drive motor, a rotating shaft connected to the output shaft of the drive motor, and a gearbox rotatably connected to the lower end of the rotating shaft. The gearbox is provided with a drive gear, a driven gear, and two planetary gears rotatably connected to the gearbox housing via bearings. The two planetary gears are coaxial laterally, and the drive gear and the driven gear are coaxial longitudinally. A rotary cutting cylinder is fitted over the gearbox. The rotary cutting cylinder is connected to the gearbox housing via a helical spring. The drive gear is connected to the lower end of the rotating shaft, and a spiral drill bit located at the center of the rotary cutting cylinder is connected to the driven gear.

[0011] The transmission logic of each transmission component in the gearbox shows that the auger drill bit rotates when there is significant resistance to the rotation of the rotary cutting cylinder, while the rotary cutting cylinder rotates when the auger drill bit has significant rotational resistance. Therefore, before the auger drill bit contacts the bamboo stalk below the bamboo tube, its resistance is relatively small, and the auger drill bit preferentially screws into the dense and hard bamboo stalk. After the auger drill bit contacts the bamboo stalk, there is significant rotational resistance. At this time, the rotary cutting cylinder begins to cut the roots and soil around the bamboo stalk, separating the bamboo stalk from the soil. When the auger drill bit penetrates the bamboo stalk to the point where it is difficult to go any deeper, and the outer edge of the bamboo stalk is cut, the torque of the auger drill bit is transmitted to the bamboo stalk, causing the bamboo stalk to have a torsional force, driving it to detach from the bamboo rhizome by "twisting".

[0012] Furthermore, an outer sleeve fitted around the rotating shaft is fixedly installed on the body of the drive motor. A sliding sleeve is longitudinally slidably connected to the outer sleeve via splines. A return spring is connected between the sliding sleeve and the body of the drive motor. A foot pedal is fixedly installed at the lower end of the sliding sleeve. A first engagement plate is provided on the lower end face of the foot pedal. A second engagement plate that matches the first engagement plate is provided on the top of the gearbox housing.

[0013] Furthermore, a handle is fixedly installed on the body of the drive motor.

[0014] Specifically, during the operation, first align the auger bit with the center of the bamboo stake's section, with the rotary cutting cylinder positioned around the bamboo stake's outer edge. Start the drive motor, press down on the auger bit while simultaneously pressing down on the foot pedal to prevent the rotary cutting cylinder from rotating while the auger bit rotates. Ensure the auger bit penetrates the bamboo stake and positions it. When it feels difficult for the auger bit to penetrate deeper, release the foot pedal to separate the first and second connecting discs. At this point, the rotary cutting cylinder rotates while the auger bit does not rotate. The rotary cutting cylinder cuts the soil and the roots around the bamboo stalk, causing the outer edge of the bamboo stalk to detach from the soil. Then, intermittently press down on the foot pedal, and the rotary cutting cylinder and auger bit repeat the above two actions until the outer edge of the bamboo stalk is relatively completely separated from the soil. The bamboo stalk will then be swayed and twisted by the torque of the auger bit, causing the bamboo stalk and bamboo rhizome to break off at their connection point, allowing the bamboo stalk to be removed.

[0015] It is easy to see that even without the pedal, connecting plate one, and connecting plate two, bamboo basket clearing operations can still be carried out, but the operation is relatively unreliable and there is a possibility of jamming. However, with the pedal, connecting plate one, and connecting plate two installed, the rotary cutting cylinder and the auger drill bit can be controlled independently, making the operation more reliable.

[0016] The presence of the helical spring can reduce the resistance between the rotary cutting cylinder and the soil. In addition, it can also adjust the ground height of different bamboo stakes.

[0017] Since this method does not aim to remove all the bamboo rootlets, the pit opening is small, and the damage location is above the bamboo rhizome, so it will not damage the bamboo rhizome. In addition, the roots after losing the bamboo rootlets basically have no ability to absorb nutrients and can rot in a short time. The excavation work intensity is also relatively low, and the work efficiency is high. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the bamboo-pile cleaning device.

[0019] Figure 2 This is a sectional view of the gearbox and its connecting parts.

[0020] Figure 3 This is a schematic diagram showing the compatibility between the cleaning device and the bamboo basket with piles during the working state.

[0021] In the diagram, 1. Drive motor; 2. Shaft; 3. Gearbox; 31. Drive gear; 32. Driven gear; 33. Planetary gear; 34. Rotary cutting barrel; 35. Helical spring; 4. Spiral drill bit; 51. Outer sleeve; 52. Sliding sleeve; 53. Return spring; 54. Foot pedal; 55. Engagement disc one; 56. Engagement disc two; 6. Handle. Detailed Implementation

[0022] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0023] like Figures 1 to 3 The bamboo shovel clearing device for bamboo forest density control shown includes a drive motor 1, a rotating shaft 2 connected to the output shaft of the drive motor 1, and a gearbox 3 rotatably connected to the lower end of the rotating shaft 2. The gearbox 3 is equipped with a drive gear 31, a driven gear 32, and two planetary gears 33 rotatably connected to the gearbox 3 housing via bearings. The two planetary gears 33 are coaxial laterally, and the drive gear 31 and the driven gear 32 are coaxial longitudinally. A rotary cutting cylinder 34 is fitted over the gearbox 3. The rotary cutting cylinder 34 is connected to the gearbox 3 housing via a helical spring 35. The drive gear 31 is connected to the lower end of the rotating shaft 2, and a spiral drill bit 4 located at the center of the rotary cutting cylinder 34 is connected to the driven gear 32.

[0024] The transmission logic of each transmission component in gearbox 3 shows that the auger drill bit 4 rotates when there is significant resistance to the rotation of the rotary cutting cylinder 34, while the rotary cutting cylinder 34 rotates when the rotational resistance of the auger drill bit 4 is high. Therefore, before the auger drill bit 4 contacts the bamboo tube below the bamboo tube, its resistance is small, and the auger drill bit 4 preferentially screws into the dense and hard bamboo tube. After the auger drill bit 4 contacts the bamboo tube, there is significant rotational resistance. At this time, the rotary cutting cylinder 34 begins to cut the roots and soil around the bamboo tube, separating the bamboo tube from the soil. When the auger drill bit 4 drills into the bamboo tube to the point where it is difficult to continue, and the outer edge of the bamboo tube is cut, the torque of the auger drill bit 4 is transmitted to the bamboo tube, causing the bamboo tube to have a torsional force, driving it to break off from the bamboo rhizome by "twisting".

[0025] An outer sleeve 51 is fixedly installed on the body of the drive motor 1 and sleeved outside the rotating shaft 2. A sliding sleeve 52 is longitudinally slidably connected to the outer sleeve 51 via a spline. A return spring 53 is connected between the sliding sleeve 52 and the body of the drive motor 1. A foot pedal 54 is fixedly installed at the lower end of the sliding sleeve 52. The lower end face of the foot pedal 54 has a first coupling plate 55. The top of the gearbox 3 has a second coupling plate 56 that matches the first coupling plate 55. A handle 6 is fixedly installed on the body of the drive motor 1.

[0026] Specifically, during operation, first align the auger bit 4 with the center of the bamboo pile's joint, with the rotary cutting cylinder 34 positioned around the bamboo pile's outer edge. Start the drive motor 1, press the auger bit 4 while simultaneously pressing the foot pedal 54, causing the rotary cutting cylinder 34 to remain stationary while the auger bit 4 rotates. This ensures the auger bit 4 penetrates the bamboo pile and positions it. When the auger bit 4 is difficult to penetrate further, release the foot pedal 54, causing the first and second connecting discs 55 and 56 to separate. At this point, the rotary cutting cylinder 34 rotates while the auger bit 4 remains stationary. The rotary cutting cylinder 34 cuts the soil and the roots around the bamboo pile, detaching the bamboo pile from the soil. Then, intermittently press the foot pedal 54, and the rotary cutting cylinder 34 and auger bit 4 repeat the above two actions until the bamboo pile is relatively completely separated from the soil. The bamboo pile will then be swayed and twisted by the torque of the auger bit 4, causing the bamboo pile and bamboo rhizome to break off at their connection point, allowing the bamboo pile to be removed.

[0027] It is easy to see that even without the pedal 54, the first connecting plate 55, and the second connecting plate 56, bamboo basket clearing operations can still be carried out, but the operation is relatively unreliable and there is a possibility of jamming. However, with the pedal 54, the first connecting plate 55, and the second connecting plate 56 installed, the rotary cutting cylinder 34 and the spiral drill bit 4 can be controlled independently, making the operation more reliable.

[0028] The presence of the helical spring 35 can reduce the resistance between the rotary cutting cylinder 34 and the soil. In addition, it can also adjust the ground height of different bamboo stakes.

[0029] Since this method does not aim to remove all the bamboo rootlets, the pit opening is small, and the damage location is above the bamboo rhizome, so it will not damage the bamboo rhizome. In addition, the roots after losing the bamboo rootlets basically have no ability to absorb nutrients and can rot in a short time. The excavation work intensity is also relatively low, and the work efficiency is high.

[0030] The bamboo stubble treatment method for controlling bamboo forest density, also known as the bamboo forest density control method, involves retaining bamboo shoots and cultivating bamboo, and rationally harvesting bamboo. Using a 1:1:1 ratio of one-year-old, two-year-old, and three-year-old bamboo as a reference, the density of standing bamboo is controlled at 1000-1200 plants / acre. Before fertilization in May each year, flowering bamboo, diseased bamboo, and old bamboo are harvested, and the bamboo stubble clearing device is used to clear the stubble pits. Then, a 3-5cm layer of straw is filled into the pits, and organic fertilizer is applied using these pits as fertilization pits. The fertilizer application rate is controlled at 1000-1200 kg / acre. Depending on the distribution of the bamboo stubble pits, additional pits can be dug for fertilization to maintain uniformity.

[0031] Here we take the natural conditions of Chongyang County, Xianning City, Hubei Province as the premise, and other regions can be adjusted accordingly.

[0032] Because the bamboo rhizome clearing device used in this scheme leaves a large number of bamboo roots in the soil, it can significantly reduce the size of the pit opening, minimize the damage to the forest land, and minimize damage to the bamboo rhizomes. On the one hand, it can coordinate the application of organic fertilizer for the rhizomes with the bamboo rhizome clearing, using the bamboo rhizome pits left by the clearing as fertilizer pits instead of traditional hole digging for fertilizer, thus saving the work of digging holes. On the other hand, since a layer of straw is placed before applying organic fertilizer, the presence of straw can prevent the soil layer in the area from hardening after the bamboo rhizome pit is covered with soil, increase the oxygen content in the soil, accelerate the rotting of bamboo roots and the absorption of organic fertilizer. Since the bamboo rhizome is located at the bamboo rhizome excavation location, the soil in this area is loose, has a high oxygen content, and is fertile, which is conducive to the growth of bamboo shoots and the thick and full bamboo shoots.

[0033] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A bamboo sack clearing device with stakes for bamboo forest density control, characterized in that, The device includes a drive motor (1), a rotating shaft (2) connected to the output shaft of the drive motor (1), and a gearbox (3) rotatably connected to the lower end of the rotating shaft (2). The gearbox (3) contains a drive gear (31), a driven gear (32), and two planetary gears (33) rotatably connected to the gearbox (3) housing via bearings. The two planetary gears (33) are coaxial laterally, and the drive gear (31) and the driven gear (32) are coaxial longitudinally. A rotary cutting cylinder (34) is fitted over the gearbox (3). The rotary cutting cylinder (34) is connected to the gearbox (3) housing via a helical spring (35). The drive gear (31) is connected to the lower end of the rotating shaft (2), and a spiral drill bit (4) located at the center of the rotary cutting cylinder (34) is connected to the driven gear (32).

2. The bamboo sack clearing device with stakes for bamboo forest density control according to claim 1, characterized in that, An outer sleeve (51) is fixedly installed on the body of the drive motor (1) and sleeved outside the rotating shaft (2). A sliding sleeve (52) is longitudinally slidably connected to the outer sleeve (51) via a spline. A return spring (53) is connected between the sliding sleeve (52) and the body of the drive motor (1). A foot pedal (54) is fixedly installed at the lower end of the sliding sleeve (52). The lower end face of the foot pedal (54) has a first coupling plate (55). The top of the gearbox (3) has a second coupling plate (56) that matches the first coupling plate (55).

3. The bamboo sack clearing device with stakes for bamboo forest density control according to claim 1, characterized in that, A handle (6) is fixedly mounted on the body of the drive motor (1).

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