Pit digging device for forestry planting

Abstract

The invention relates to the technical field of forestry planting, and discloses a forestry planting pit digging device which comprises a mounting plate and a soil drilling assembly connected to the mounting plate and further comprises a control rod for driving the soil drilling assembly to move up and down and a transmission assembly for driving the soil drilling assembly to rotate. The soil drilling assembly comprises a drill rod, a drill bit located at the bottom of the drill rod and a universal joint connected between the top of the drill rod and the control rod, and the two ends of the universal joint are rotationally connected with the drill rod and the control rod correspondingly. The drill bit penetrates through the mounting plate and is positioned below the mounting plate; the transmission assembly comprises a first bevel gear, a rotating sleeve, a second bevel gear, a first transmission gear, a second transmission gear and a mounting sleeve, the first bevel gear is fixedly arranged on the rotating sleeve in a sleeving mode, the rotating sleeve is rotationally mounted on the mounting plate, the drill rod is arranged in the rotating sleeve in a penetrating mode, and a connecting sleeve is arranged at the bottom end of the control rod; the connecting sleeve is fixedly connected to a rotating shaft of the first transmission gear; and rollers are arranged at the bottom of the mounting plate. The device can adapt to the terrain of the forest land and is convenient to move in the forest land.

Description

Technical Field

[0001] The invention belongs to the technical field of forestry planting, and in particular relates to a forestry planting pit opening device. Background Art

[0002] Forestry refers to the production sector that protects the ecological environment and maintains ecological balance, cultivates and protects forests to obtain timber and other forest products, and utilizes the natural characteristics of forests to play a protective role. It is an important part of the national economy. In the human and biosphere, forestry is engaged in the cultivation, protection, and utilization of forest resources through advanced scientific and technological means and management methods, giving full play to the multiple benefits of forests, and can achieve soil and water conservation, afforestation of barren hills, and ecological environment restoration through large-scale afforestation.

[0003] In the process of forestry planting, a pit digging device is needed to dig a pit. After the pit is dug, the transplanted trees are placed in the pit, and then filled with soil and watered to ensure the survival of the trees. Most of the existing pit digging devices use a motor to drive a soil digging auger to drill a pit or use a shovel to dig a pit. Although the equipment using a motor to drive the auger to drill a pit can improve the efficiency of pit digging, the overall weight of the equipment is large, and it is more laborious to move in the forest; although the shovel is light and easy to move in the forest, the efficiency of pit digging is relatively low.

[0004] In view of this, the inventor conducted in-depth research on the above-mentioned defects in the prior art, and thus came up with this case. Summary of the invention

[0005] The purpose of the present invention is to provide a forestry planting pit digging device which can adapt to the terrain of the forest and is easy to move in the forest.

[0006] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows:

[0007] A forestry planting pit-opening device comprises a mounting plate and a soil drilling assembly connected to the mounting plate, and also comprises a control rod for driving the soil drilling assembly to move up and down and a transmission assembly for driving the soil drilling assembly to rotate; the soil drilling assembly comprises a drill rod, a drill bit located at the bottom of the drill rod, and a universal joint connected between the top of the drill rod and the control rod, and the two ends of the universal joint are rotatably connected to the drill rod and the control rod respectively; the drill bit passes through the mounting plate and is located below the mounting plate; the transmission assembly comprises a first bevel gear, a rotating sleeve, a second bevel gear, a first transmission gear, a second transmission gear and a mounting sleeve, the first bevel gear is fixedly sleeved on the rotating sleeve, the rotating sleeve is rotatably mounted on the mounting plate, and the drill rod is inserted into the rotating sleeve; a A first bracket for mounting the mounting sleeve and a second bracket for mounting the second transmission gear; a bearing rod rotatably connected to the mounting sleeve is provided on the first bracket; a connecting hole rotatably matched with the bearing rod and a cavity sleeved on the mounting sleeve are formed in the middle of the second bevel gear, a ratchet is formed on the inner wall of the cavity, a pawl matching with the ratchet is formed on the mounting sleeve, and the second bevel gear is meshed with the first bevel gear; the second transmission gear is fixedly sleeved on the mounting sleeve, the first transmission gear is rotatably mounted on the second bracket, and the first transmission gear is meshed with the second transmission gear; a connecting sleeve is provided at the bottom end of the control rod; the connecting sleeve is fixedly connected to the rotating shaft of the first transmission gear; a roller is also provided at the bottom of the mounting plate.

[0008] Furthermore, a plurality of first limiting sliding blocks are formed on the inner wall of the rotating sleeve, and a plurality of first limiting sliding grooves slidably matched with the first limiting sliding blocks are formed on the drill rod. The cooperation between the first limiting sliding grooves and the first limiting sliding blocks can prevent the rotating sleeve and the drill rod from rotating relative to each other.

[0009] Furthermore, the soil drilling assembly also includes a reset mechanism arranged on the drill rod, the reset mechanism includes a reset spring and a telescopic rod; the drill rod is formed with an installation cavity for installing the reset spring and the telescopic rod, the telescopic rod is slidably installed in the installation cavity, the upper end of the reset spring is fixedly connected to the bottom of the telescopic rod, and the lower end is fixedly connected to the bottom wall of the installation cavity; a plurality of second limit sliders are formed on the inner wall of the installation cavity, and the telescopic rod is formed with a second limit slot that cooperates with the second limit slider; the lower end of the universal joint is rotatably connected to the top of the telescopic rod. The reset mechanism can be used to drill downward repeatedly to improve the efficiency of pit opening.

[0010] Furthermore, the transmission assembly also includes a third bevel gear fixedly mounted on the mounting sleeve, the third gear is an incomplete gear, and the third bevel gear can mesh with the first bevel gear. Through the third bevel gear, the drill rod can be driven to reverse during the upward lifting process after the hole is drilled, and the soil can be thrown out.

[0011] Further, the drill bit comprises a soil-breaking cone and a pit-digging auger, wherein the soil-breaking cone is located below the pit-digging auger. The soil-breaking cone is arranged below the pit-digging auger to make it easier for the drill bit to drill into the soil.

[0012] Further, a fender is hingedly connected to one side of the mounting plate, and a pedal extending outward is formed at the lower end of the fender. When drilling a pit, the fender can be used to prevent mud from being thrown onto the construction workers.

[0013] Furthermore, two handles are provided on the top of the control rod, which make it easier to control the drill rod.

[0014] After adopting the above structure, the present invention relates to a forestry planting pit-digging device. Compared with the prior art, this case uses a control rod to press the drill rod downward, and drives the drill rod to rotate under the action of the transmission assembly, thereby digging a pit. The entire device is manually controlled and has a simple structure. It does not require a motor or engine, and the overall weight is light. Rollers are installed on the device to facilitate moving the device in the woods. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

[0016] Figure 1 It is a structural schematic diagram of the present invention;

[0017] Figure 2 for Figure 1 A cross-sectional schematic diagram of

[0018] Figure 3 for Figure 2 A schematic diagram of the local enlarged structure at point A in the middle;

[0019] Figure 4 for Figure 2 A schematic diagram of the local enlarged structure at B in the middle;

[0020] Figure 5 It is an exploded schematic diagram of the transmission assembly in the present invention;

[0021] Figure 6 It is a structural schematic diagram of the telescopic rod in the present invention;

[0022] Figure 7 It is a schematic structural diagram of the first bevel gear and the rotating sleeve in the present invention;

[0023] Figure 8 It is a structural schematic diagram of the drill rod and the drill bit in the present invention.

[0024] The symbols of the main components are described as follows: mounting plate 1, first bracket 11, bearing rod 111, second bracket 12, roller 13, drilling assembly 2, drill rod 21, first limiting slide groove 211, mounting cavity 212, second limiting slide block 2121, drill bit 22, earth-breaking cone 221, pit-digging auger 222, universal joint 23, reset mechanism 24, reset spring 241, telescopic rod 242, second limiting slide groove 2421, control rod 3, connecting sleeve 31, handle 32, transmission assembly 4, first bevel gear 41, rotating sleeve 42, first limiting slide block 421, second bevel gear 43, connecting hole 431, cavity 432, ratchet 4321, first transmission gear 44, second transmission gear 45, mounting sleeve 46, pawl 461, third bevel gear 47, mudguard 5, pedal 51. DETAILED DESCRIPTION

[0025] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that in the drawings or descriptions of the specification, similar or identical parts use the same figure numbers, and the implementation methods not shown or described in the drawings are forms known to ordinary technicians in the relevant technical field. In addition, the directional terms mentioned in the embodiments, such as "upper", "lower", "top", "bottom", "left", "right", "front", "back", etc., are only referenced to the directions of the drawings and are not used to limit the scope of protection of the present invention.

[0026] like Figures 1 to 8As shown, a forestry planting pit opening device according to the present invention comprises a mounting plate 1 and a soil drilling assembly 2 connected to the mounting plate 1, a control rod 3 driving the soil drilling assembly 2 to move up and down, and a transmission assembly 4 driving the soil drilling assembly 2 to rotate; the soil drilling assembly 2 comprises a drill rod 21, a drill bit 22 located at the bottom of the drill rod 21, and a universal joint 23 connected between the top of the drill rod 21 and the control rod 3, and the two ends of the universal joint 23 are respectively rotatably connected to the drill rod 21 and the control rod 3; the drill bit 22 passes through the mounting plate 1 and is located below the mounting plate 1; the transmission assembly 4 comprises a first bevel gear 41, a rotating sleeve 42, a second bevel gear 43, a first transmission gear 44, a second transmission gear 45 and a mounting sleeve 46, the first bevel gear 41 is fixedly sleeved on the rotating sleeve 42, the rotating sleeve 42 is rotatably mounted on the mounting plate 1, and the drill rod 21 is inserted into the rotating sleeve 42; The mounting plate 1 is provided with a first bracket 11 for mounting the mounting sleeve 46 and a second bracket 12 for mounting the second transmission gear; the first bracket 11 is provided with a bearing rod 111 rotatably connected to the mounting sleeve 46; a connecting hole 431 rotatably matched with the bearing rod 111 and a cavity 432 sleeved on the mounting sleeve 46 are formed in the middle of the second bevel gear 43, a ratchet 4321 is formed on the inner wall of the cavity 432, a pawl 461 matching with the ratchet 4321 is formed on the mounting sleeve 46, and the second bevel gear 43 and the first bevel gear 41 are meshed with each other; the second transmission gear is fixedly sleeved on the mounting sleeve 46, the first transmission gear is rotatably mounted on the second bracket 12, and the first transmission gear and the second transmission gear are meshed with each other; a connecting sleeve 31 is provided at the bottom end of the control rod 3; the connecting sleeve 31 is fixedly connected to the rotating shaft of the first transmission gear; a roller 13 is also provided at the bottom of the mounting plate 1. When the control rod 3 is pressed downward, the control rod 3 rotates with the axis of the first transmission shaft as the center line, thereby driving the first transmission tooth to rotate, and the first transmission tooth then drives the second transmission tooth to rotate, and the second transmission tooth drives the mounting sleeve 46 to rotate, and the second bevel gear 43 is driven to rotate under the cooperation of the ratchet 4321 and the pawl 461, and the second bevel gear 43 drives the first bevel gear 41 to rotate, thereby driving the rotating sleeve 42 to rotate, and finally the rotating sleeve 42 drives the drill rod 21 to rotate, thereby realizing the working process of the drill rod 21 rotating downward to dig a pit.

[0027] In the embodiment, a plurality of first limiting slide blocks 421 are formed on the inner wall of the rotating sleeve 42, and a plurality of first limiting slide grooves 211 slidably matched with the first limiting slide blocks 421 are formed on the drill rod 21. The cooperation between the first limiting slide grooves 211 and the first limiting slide blocks 421 can prevent the rotating sleeve 42 and the drill rod 21 from rotating relative to each other, thereby driving the drill rod 21 to rotate together with the rotating sleeve 42.

[0028] Preferably, the soil drilling assembly 2 further comprises a reset mechanism 24 arranged on the drill rod 21, the reset mechanism 24 comprises a reset spring 241 and a telescopic rod 242; a mounting cavity 212 for mounting the reset spring 241 and the telescopic rod 242 is formed on the drill rod 21, the telescopic rod 242 is slidably mounted in the mounting cavity 212, the upper end of the reset spring 241 is fixedly connected to the bottom of the telescopic rod 242, and the lower end is fixedly connected to the bottom wall of the mounting cavity 212; a plurality of second limit sliders 2121 are formed on the inner wall of the mounting cavity 212, and a second limit slot 2421 matching the second limit slider 2121 is formed on the telescopic rod 242; the lower end of the universal joint 23 is rotatably connected to the top of the telescopic rod 242. The reset mechanism 24 can be used to repeatedly drill downwards, thereby improving the efficiency of digging a pit. During each repeated drilling and lifting process, the return spring 241 can lift the control rod 3 again, but can keep the drill bit 22 from moving upward, maintain the drilling depth, and when the control rod 3 is lifted, the mounting sleeve 46 will reverse, at which time the ratchet 461 will not push the second bevel gear 43 to rotate, so the drill rod 21 will not rotate.

[0029] Preferably, the transmission assembly 4 also includes a third bevel gear 47 fixedly mounted on the mounting sleeve 46, the third gear is an incomplete gear, and the third bevel gear 47 can mesh with the first bevel gear 41. Through the third bevel gear 47, the drill rod 21 can be driven to reverse and the soil can be thrown out in the process of lifting up after the hole is drilled. In the process of drilling the soil, the mounting sleeve 46 will rotate repeatedly, thereby driving the third bevel gear 47 to rotate repeatedly, but because the third bevel gear 47 is an incomplete gear, the third bevel gear 47 will not mesh with the first bevel gear 41 during the repeated rotation. However, after the drill bit 22 leaves the pit and is lifted up for a distance, the third bevel gear 47 continues to reverse until it meshes with the first bevel gear 41, thereby driving the drill rod 21 to reverse and throw out the soil.

[0030] Preferably, the drill bit 22 includes a soil-breaking cone 221 and a pit-digging auger 222, and the soil-breaking cone 221 is located below the pit-digging auger 222. The soil-breaking cone 221 is arranged below the pit-digging auger 222 to make it easier for the drill bit 22 to drill into the soil.

[0031] Preferably, a fender 5 is hinged on one side of the mounting plate 1. Specifically, a torsion spring is provided at the hinge between the fender 5 and the mounting plate 1, and a pedal 51 extending outward is formed at the lower end of the fender 5. When drilling a pit, the fender 5 only needs to be stepped down by the foot, and the fender 5 can be used to prevent mud from being thrown onto the construction workers.

[0032] Furthermore, two handles 32 are provided on the top of the control rod 3. The handles 32 make it easier to control the drill rod 21.

[0033] The method of using the present invention is as follows: first, select a drilling position, then step on the mudguard 5, and then repeatedly press the control rod 3 downward. Under the action of the transmission component 4, the drill rod 21 rotates downward to drill the hole. Finally, after the drill bit 22 is lifted out of the hole, it is lifted upward for a distance to reverse the drill rod 21 and throw out the soil.

[0034] The above is a detailed introduction to a forestry planting pit opening device provided by the present invention. The description of the specific embodiment is only used to help understand the method and core idea of ​​the present invention. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A forestry planting pit digging device, comprising a mounting plate (1) and a soil drilling assembly (2) connected to the mounting plate (1), characterized in that: The invention also comprises a control rod (3) for driving the soil drilling assembly (2) to move up and down, and a transmission assembly (4) for driving the soil drilling assembly (2) to rotate; the soil drilling assembly (2) comprises a drill rod (21), a drill bit (22) located at the bottom of the drill rod (21), and a universal joint (23) connected between the top of the drill rod (21) and the control rod (3), and the two ends of the universal joint (23) are respectively connected to the drill rod (21) and the control rod (3) for rotation; the drill bit (22) passes through the mounting plate (1) and is located below the mounting plate (1). The transmission assembly (4) comprises a first bevel gear (41), a rotating sleeve (42), a second bevel gear (43), a first transmission gear (44), a second transmission gear (45) and a mounting sleeve (46); the first bevel gear (41) is fixedly sleeved on the rotating sleeve (42); the rotating sleeve (42) is rotatably mounted on the mounting plate (1); the drill rod (21) is inserted into the rotating sleeve (42); the mounting plate (1) is provided with a first bracket (11) for mounting the mounting sleeve (46) and a bracket for mounting the mounting sleeve (46); The second bracket (12) of the second transmission gear (45); the first bracket (11) is provided with a bearing rod (111) rotatably connected to the mounting sleeve (46); the middle part of the second bevel gear (43) is formed with a connecting hole (431) rotatably matched with the bearing rod (111) and a cavity (432) sleeved on the mounting sleeve (46), the inner wall of the cavity (432) is formed with a ratchet (4321), and the mounting sleeve (46) is formed with a ratchet pawl (461) matched with the ratchet (4321), and the second bevel gear (43) is provided with a second bracket (12) of the second transmission gear (45); the first bracket (11) is provided with a bearing rod (111) rotatably connected to the mounting sleeve (46); the middle part of the second bevel gear (43) is formed with a connecting hole (431) rotatably matched with the bearing rod (111) and a cavity (432) sleeved on the mounting sleeve (46), the inner wall of the cavity (432) is formed with a ratchet (4321), and the mounting sleeve (46) is provided with a ratchet pawl (461) matched with the ratchet (4321). The second bevel gear (43) is meshed with the first bevel gear (41); the second transmission tooth (45) is fixedly sleeved on the mounting sleeve (46); the first transmission tooth (44) is rotatably mounted on the second bracket (12), and the first transmission tooth (44) is meshed with the second transmission tooth (45); a connecting sleeve (31) is provided at the bottom end of the control rod (3); the connecting sleeve (31) is fixedly connected to the rotating shaft of the first transmission tooth (44); and a roller (13) is also provided at the bottom of the mounting plate (1).

2. A forestry planting pit digging device according to claim 1, characterized in that: A plurality of first limiting sliding blocks (421) are formed on the inner wall of the rotating sleeve (42), and a plurality of first limiting sliding grooves (211) slidably matched with the first limiting sliding blocks (421) are formed on the drill rod (21).

3. A forestry planting pit digging device according to claim 1, characterized in that: The soil drilling assembly further comprises a reset mechanism (24) arranged on the drill rod (21), the reset mechanism (24) comprising a reset spring (241) and a telescopic rod (242); a mounting cavity (212) for mounting the reset spring (241) and the telescopic rod (242) is formed on the drill rod (21), the telescopic rod (242) is slidably mounted in the mounting cavity (212), the upper end of the reset spring (241) is fixedly connected to the bottom of the telescopic rod (242), and the lower end is fixedly connected to the bottom wall of the mounting cavity (212); a plurality of second limiting sliding blocks (2121) are formed on the inner wall of the mounting cavity (212), and a second limiting sliding groove (2421) matched with the second limiting sliding blocks (2121) is formed on the telescopic rod (242); the lower end of the universal joint (23) is rotatably connected to the top of the telescopic rod (242).

4. A forestry planting pit digging device according to claim 3, characterized in that: The transmission assembly (4) further comprises a third bevel gear (47) fixedly sleeved on the mounting sleeve (46); the third bevel gear (47) is an incomplete gear, and the third bevel gear (47) can mesh with the first bevel gear (41).

5. A forestry planting pit digging device according to claim 4, characterized in that: The drill bit (22) comprises a soil-breaking cone (221) and a pit-digging auger (222), wherein the soil-breaking cone (221) is located below the pit-digging auger (222).

6. A forestry planting pit digging device according to claim 1, characterized in that: A fender (5) is also hingedly connected to one side of the mounting plate (1), and a pedal (51) extending outward is formed at the lower end of the fender (5).

7. The forestry planting pit digging device according to claim 1, characterized in that: Two handles (32) are also provided on the top of the control rod (3).

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