Pit digging equipment for public greening

Abstract

The utility model relates to the technical field of public greening construction, in particular to pit digging equipment for public greening, which comprises a movable frame, a spiral blade for digging pits is arranged in the movable frame, and the top of the movable frame is connected with fixed rods which are circumferentially distributed at equal intervals through a driving mechanism; the driving mechanism comprises an electric push rod, driving rods distributed circumferentially at equal intervals, a straight rack and a rotating shaft, the electric push rod is fixed to the top of the movable frame, the telescopic end of the electric push rod is fixedly connected with the driving rods, and the driving rods are fixedly connected with the straight rack; and the spur rack is connected with the rotating shaft through symmetrically arranged gears. When the pit digging device is used, the drill rod can control the spiral blade to rotate quickly, the lifting plate can control the rotating spiral blade to move downwards slowly, a pit can be dug in the surface of soil quickly along with the downward movement of the spiral blade, and the pit digging device is convenient to use and high in pit digging efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to public afforestation construction technical field especially relates to a public afforestation is used pit equipment. BACKGROUND

[0002] Public afforestation construction is the important component of garden afforestation project, involves site grading, digs the pit and plants the tree, landscape facility installation and so on many links, creates the public afforestation space of beautiful, comfortable, ecology through scientific construction means, promotes urban environmental quality, satisfies people's longing for good life.

[0003] In the digging pit and planting tree link of public afforestation construction, the staff generally will pass through shovel and so on tool, manually digs the pit of appropriate size and depth in the soil, then puts the plant into the pit, and then fills the soil, this process usually staff manually digs the pit, not only is more laborious, and the pit digging efficiency is lower, therefore, now put forward a kind of public afforestation is used pit equipment. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in prior art that staff manually digs the pit, not only is more laborious, and the pit digging efficiency is lower, and proposes a kind of public afforestation is used pit equipment.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of public afforestation is used pit equipment, including mobile frame, the inside of the mobile frame is provided with spiral blade for pit, the top of the mobile frame is connected with the fixed rod that is circumferentially equidistantly distributed by drive mechanism;

[0007] The drive mechanism includes electric push rod, drive rod that is circumferentially equidistantly distributed, straight rack and rotating shaft, the electric push rod is fixed to the top of the mobile frame, the telescopic end of the electric push rod is fixedly connected with the drive rod, the drive rod is fixedly connected with the straight rack, the straight rack is connected with the rotating shaft by the symmetrical gear.

[0008] Preferably, the drive rod is L-shapedly arranged, the outer wall of the mobile frame is provided with limit slot that is circumferentially equidistantly distributed, the drive rod is slidably connected with the inner wall of the limit slot.

[0009] Preferably, the gear is engagedly connected with the straight rack, the rotating shaft is fixedly connected with the gear and the fixed rod, both ends of the rotating shaft are rotatably connected with support plate, and the support plate is fixedly connected with the outer wall of the mobile frame.

[0010] Preferably, the bottom of the straight rack is fixedly connected with limit plate, and the bottom of the mobile frame is provided with universal wheel that is circumferentially equidistantly distributed.

[0011] Preferably, a first motor is fixedly connected to the top of the movable frame, and a screw is provided at the output end of the first motor. The screw is rotatably connected to the movable frame, and a lifting plate is threadedly connected to the screw. The lifting plate is rectangular and is slidably connected to the inner wall of the movable frame.

[0012] Preferably, a second motor is fixedly connected to the top of the lifting plate, and a drive shaft is provided at the output end of the second motor. The drive shaft is rotatably connected to the lifting plate. A drill rod is fixedly connected to the bottom of the drive shaft. The outer wall of the drill rod is fixedly connected to the spiral blade. A round hole is opened at the bottom of the movable frame. Handles are fixedly connected to both sides of the movable frame. The end of the fixed rod away from the rotating shaft is conical.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. When using this equipment, the drill rod can control the rapid rotation of the spiral blades, and the lifting plate can control the rotating spiral blades to slowly move downwards. As the spiral blades move downwards, a pit can be quickly dug on the soil surface, which is not only convenient but also highly efficient in digging pits.

[0015] 2. When using this equipment, the drive mechanism can control the four fixed rods to rotate simultaneously to an inclined state and make the four fixed rods contact the soil. The four fixed rods can support and fix the mobile frame, making it less likely to tip over and allowing the equipment to dig pits stably. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the external three-dimensional structure of a pit-opening device for public greening proposed in this utility model;

[0017] Figure 2 This is a schematic diagram of the bottom three-dimensional structure of a pit-opening device for public greening proposed in this utility model;

[0018] Figure 3 This is a partial three-dimensional structural diagram of a pit-opening device for public greening proposed in this utility model;

[0019] Figure 4 This is a three-dimensional structural diagram of the limiting groove in a pit-opening device for public greening proposed in this utility model.

[0020] In the diagram: 1. Moving frame; 2. Spiral blade; 3. Fixed rod; 4. Electric push rod; 5. Drive rod; 6. Spur rack; 7. Rotating shaft; 8. Gear; 9. Limiting groove; 10. Support plate; 11. Limiting plate; 12. First motor; 13. Screw; 14. Lifting plate; 15. Second motor; 16. Drill rod; 17. Round hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] With reference to Figures 1-4 A kind of equipment for opening pit for public afforestation, including mobile frame 1, the inside of mobile frame 1 is provided with spiral blade 2 for opening pit, the top of mobile frame 1 is connected with fixed rod 3 that is circumferentially equidistantly distributed by drive mechanism;

[0023] Drive mechanism includes electric push rod 4, drive rod 5 that is circumferentially equidistantly distributed, straight rack 6 and rotating shaft 7, electric push rod 4 is fixed to the top of mobile frame 1, the telescopic end of electric push rod 4 is fixedly connected with drive rod 5, drive rod 5 is fixedly connected with straight rack 6, straight rack 6 is connected with rotating shaft 7 by symmetrically arranged gear 8.

[0024] Further, drive rod 5 is L-shapedly arranged, the outer wall of mobile frame 1 is provided with limiting slot 9 that is circumferentially equidistantly distributed, drive rod 5 is slidably connected with the inner wall of limiting slot 9, it needs to be explained that, by the arrangement of multiple limiting slots 9, multiple drive rods 5 can be limited, so that drive rod 5 can be stably moved up or down.

[0025] Further, gear 8 is engagedly connected with straight rack 6, rotating shaft 7 is fixedly connected with gear 8 and fixed rod 3, both ends of rotating shaft 7 are rotatably connected with support plate 10, support plate 10 is fixedly connected with the outer wall of mobile frame 1, it needs to be explained that, when four straight racks 6 move up, multiple gears 8 can be used to control four vertically arranged fixed rods 3 to be unfolded downward at the same time, when four straight racks 6 move down, four fixed rods 3 can be controlled to be stored in vertical state.

[0026] Further, the bottom of straight rack 6 is fixedly connected with limiting plate 11, it needs to be explained that, when straight rack 6 moves up to the maximum distance, limiting plate 11 will contact with gear 8, so that straight rack 6 can be limited, which can prevent straight rack 6 from being separated from gear 8, the bottom of mobile frame 1 is installed with universal wheel that is circumferentially equidistantly distributed, it needs to be explained that, the installation of universal wheel is prior art, which will not be described here, and the movement of mobile frame 1 is facilitated by universal wheel.

[0027] It should be noted that the first motor 12, the second motor 15 and the electric push rod 4, the specific model specification needs to be selected according to the actual specification of the device, and the specific selection calculation method adopts the existing technology in the art, so it is not described, and can be powered by an external device and controlled to open and close.

[0028] Further, the top of the moving frame 1 is fixedly connected with the first motor 12, the output end of the first motor 12 is provided with a screw rod 13, the screw rod 13 is rotatably connected with the moving frame 1, the screw rod 13 is threadedly connected with a lifting plate 14, the lifting plate 14 is arranged in a rectangular shape, and the lifting plate 14 is slidably connected with the inner wall of the moving frame 1. It should be noted that through the limiting sliding of the lifting plate 14 and the inner wall of the moving frame 1, when the screw rod 13 rotates, the lifting plate 14 can be rotated and moved upward or downward.

[0029] Further, the top of the lifting plate 14 is fixedly connected with the second motor 15, the output end of the second motor 15 is provided with a drive shaft, the drive shaft is rotatably connected with the lifting plate 14, the bottom of the drive shaft is fixedly connected with a drill rod 16, the outer wall of the drill rod 16 is fixedly connected with the spiral blade 2, the bottom of the moving frame 1 is provided with a circular hole 17, and the two sides of the moving frame 1 are fixedly connected with handles. The end of the fixed rod 3 away from the rotating shaft 7 is in a sharp taper shape.

[0030] The working principle of the utility model:

[0031] Firstly, the electric push rod 4 controls the upward movement of the four drive rods 5, and the four drive rods 5 control the clockwise rotation of the corresponding gears 8 through the four straight racks 6, respectively. The gear 8 controls the clockwise rotation of the fixed rod 3 through the rotating shaft 7, and the four fixed rods 3 are expanded outward at the same time and contact with the soil, which can effectively support and fix the moving frame 1.

[0032] Then, the second motor 15 is started, and the second motor 15 controls the rapid rotation of the spiral blade 2 through the drive shaft and the drill rod 16.

[0033] Finally, the first motor 12 controls the slow and uniform downward movement of the lifting plate 14 through the screw rod 13, and the lifting plate 14 can control the slow downward movement of the spiral blade 2. With the downward movement of the spiral blade 2, a pit can be quickly dug on the soil surface, which is more convenient and has high efficiency.

[0034] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered within the protection scope of the utility model.

Claims

1. A pit opening apparatus for public greenery, comprising a mobile frame (1), characterized in that, The inside of the moving frame (1) is provided with a spiral blade (2) for opening a pit, and the top of the moving frame (1) is connected with fixed rods (3) distributed at equal intervals in a circle through a driving mechanism. The driving mechanism comprises an electric push rod (4), driving rods (5) distributed at equal intervals in a circle, a straight rack (6) and a rotating shaft (7), the electric push rod (4) is fixed to the top of the moving frame (1), the telescopic end of the electric push rod (4) is fixedly connected with the driving rod (5), the driving rod (5) is fixedly connected with the straight rack (6), and the straight rack (6) is connected with the rotating shaft (7) through symmetrically arranged gear wheels (8).

2. The pit opening apparatus for public greenery according to claim 1, wherein The driving rod (5) is arranged in an L shape, the outer wall of the moving frame (1) is provided with limiting grooves (9) distributed at equal intervals in a circle, and the driving rod (5) is slidably connected with the inner wall of the limiting groove (9).

3. The pit opening apparatus for public greenery according to claim 1, wherein The gear wheel (8) is meshingly connected with the straight rack (6), the rotating shaft (7) is fixedly connected with the gear wheel (8) and the fixed rod (3), both ends of the rotating shaft (7) are rotatably connected with supporting plates (10), and the supporting plates (10) are fixedly connected with the outer wall of the moving frame (1).

4. The pit opening apparatus for public greenery according to claim 1, wherein The bottom of the straight rack (6) is fixedly connected with a limiting plate (11), and the bottom of the moving frame (1) is provided with universal wheels distributed at equal intervals in a circle.

5. The pit opening apparatus for public greenery according to claim 1, wherein The top of the moving frame (1) is fixedly connected with a first motor (12), the output end of the first motor (12) is provided with a screw rod (13), the screw rod (13) is rotatably connected with the moving frame (1), the screw rod (13) is threadedly connected with a lifting plate (14), the lifting plate (14) is arranged in a rectangular shape, and the lifting plate (14) is slidably connected with the inner wall of the moving frame (1).

6. The pit opening apparatus for public greenery according to claim 5, wherein The top of the lifting plate (14) is fixedly connected with a second motor (15), the output end of the second motor (15) is provided with a driving shaft, the driving shaft is rotatably connected with the lifting plate (14), the bottom of the driving shaft is fixedly connected with a drill rod (16), the outer wall of the drill rod (16) is fixedly connected with the spiral blade (2), the bottom of the moving frame (1) is provided with a circular hole (17), both sides of the moving frame (1) are fixedly connected with handles, and the end of the fixed rod (3) away from the rotating shaft (7) is conical.

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