Land leveling and pit digging device for municipal greening
By designing rotary excavator and hydraulically driven bulldozing plates, combined with the shovel teeth to assemble beams, the problem that existing devices cannot be assembled and used with bulldozers is solved, efficient operation of pits and leveling the ground is achieved, and construction efficiency and practicality are improved. .
Patent Information
- Application Number
- CN202420934547.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The existing municipal greening pit opening device cannot be assembled and used with the bulldozer, resulting in limited functions and the advantages of mechanized construction cannot be fully utilized.
A flat pit digging device for municipal greening is designed, including a rotary excavation cylinder, hydraulic cylinder, bulldozing plate and shovel teeth assembly beam. The pit is opened by rotating and lifting spiral blades, and the power of the bulldozer is used to lift and bulldozing plates. The expansion function enables a leveling ground, combining hydraulically driven lifting arms and flip arms for position and angle control.
It realizes convenient operation of pits and leveling the ground, improves the practicality and functionality of the device, can be assembled and used with bulldozers, and improves construction efficiency.
Smart Images

Figure CN222128667U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of excavating machinery, in particular to a flat ground digging device for municipal greening. Background Art
[0002] During the municipal greening construction process, a pit digging device is required to dig a pit in order to plant trees. The prior art announcement number is CN1131799905B, which discloses a municipal greening sapling planting device, including: an electric vehicle and a seat, the electric vehicle is provided with a seat; a mounting frame, the electric vehicle is provided with a mounting frame, and the mounting frame is connected to the seat; a pit digging mechanism, the mounting frame is provided with a pit digging mechanism; a hammering mechanism, the mounting frame is provided with a hammering mechanism. The present invention provides a municipal greening sapling planting device that can automatically dig a pit, hammer and water. By moving the sliding block downward, the first spring is stretched, and the sliding block moves downward to drive the motor and the rotating head to move downward, thereby digging a pit in the land, achieving the effect of saving time and labor.
[0003] In actual use, while digging holes in the planting ground, it is also necessary to use a bulldozer to level the ground. However, the existing hole-digging device is only suitable for single use and cannot be assembled with a bulldozer. As a result, its function is very limited and the advantages of mechanized construction cannot be brought into play. Further improvement is needed. Utility Model Content
[0004] The utility model aims to provide a flat ground digging device for municipal greening to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ground digging device for municipal greening, comprising a rotary digging barrel, a first hydraulic cylinder is fixedly installed on the top of the rotary digging barrel, a mounting plate is fixedly installed on the telescopic end of the first hydraulic cylinder, a rotating shaft is rotatably installed on the lower side of the mounting plate, the bottom end of the rotating shaft extends into the rotary digging barrel and is fixedly installed with a spiral blade, a driving motor is fixedly installed on the upper side of the mounting plate, and the driving motor drives the rotating shaft to rotate.
[0006] A bulldozer plate is rotatably mounted on the surface of the rotary excavator drum, a support beam is fixedly mounted on the surface of the rotary excavator drum, a second hydraulic cylinder is rotatably mounted on the end of the support beam, and a telescopic end of the first hydraulic cylinder is rotatably connected to the surface of the bulldozer plate.
[0007] A connecting side plate is fixedly installed on the surface of the rotary drilling barrel, and a hydraulically driven lifting arm and a flip arm are arranged on the front side of the bulldozer body. The ends of the lifting arm and the flip arm are rotatably connected to the connecting side plate to realize assembly with the bulldozer body, so that it has the functions of digging pits and leveling the ground.
[0008] In some embodiments, the bulldozer body also includes a lifting cylinder, and the lifting arm and the lifting cylinder are both rotatably connected to the front end of the bulldozer body, and the telescopic end of the lifting cylinder is rotatably connected to the surface of the telescopic lifting arm. The height of the rotary drilling barrel can be controlled by utilizing the extension and retraction of the lifting cylinder.
[0009] In some embodiments, the surface of the lifting arm is rotatably provided with a first transmission plate and a second transmission plate, respectively; one end of the flipping arm away from the rotary drilling barrel is rotatably connected to the end of the first transmission plate, and both ends of the second transmission plate are rotatably connected to a flipping cylinder and a pull rod, respectively; the telescopic end of the flipping cylinder is rotatably connected to the end of the first transmission plate, and the end of the pull rod is rotatably connected to the front end of the excavator body; the inclination angle of the rotary drilling barrel can be controlled by utilizing the telescopic movement of the flipping cylinder.
[0010] In some embodiments, there are two bulldozer plates, which are symmetrically rotatably arranged on both sides of the rotary barrel, and two second hydraulic cylinders are arranged at the end of the support beam. The telescopic ends of the two second hydraulic cylinders are respectively rotatably connected to the two bulldozer plates, and a triangular rib plate is fixedly installed between the rotary barrel and the support beam. The bulldozer body is a wheeled bulldozer. The telescopic second hydraulic cylinder can unfold the bulldozer plates on both sides into a straight or V shape to facilitate bulldozing.
[0011] In some embodiments, a shovel tooth assembly beam is fixedly installed on the rear side of the two bulldozer plates, and a plurality of slide grooves are opened inside the shovel tooth assembly beam, and a bevel tooth is slidably inserted in each slide groove. An adjusting bolt is rotatably installed on the upper end of the shovel tooth assembly beam, and the threaded end of the adjusting bolt extends into the slide groove, and the threaded end of the adjusting bolt is threadedly connected to the upper end of the bevel tooth, so that the telescopic length of the bevel tooth can be adjusted as needed.
[0012] In some embodiments, there are two first hydraulic cylinders, which are symmetrically fixed on both sides of the rotary drilling barrel. The telescopic ends of the two first hydraulic cylinders are respectively fixedly connected to the two ends of the mounting plate, so as to facilitate the use of the first hydraulic cylinders to control the depth of the spiral blade rotary drilling pit. Beneficial Effects
[0013] The utility model provides a device for digging pits on flat ground for municipal greening, which has the following beneficial effects:
[0014] 1. The municipal greening flat ground digging device digs the ground by setting spiral blades in the rotary digging barrel and utilizing the rotation and up and down lifting of the spiral blades. The rotary digging barrel is assembled with the lifting arm and the flip arm of the bulldozer body through the connecting side plate on its surface, so that the power of the bulldozer can be used to lift the rotary digging barrel and transfer the position, providing convenience for the digging operation, and having higher practicality and convenience.
[0015] 2. The municipal greening flat ground digging device has a bulldozer installed on the surface of the rotary digging cylinder. The second hydraulic cylinder drives the bulldozer to rotate, so as to expand and flip the bulldozer. The bulldozer can be used for bulldozing. Since the angle of the bulldozer is adjustable, it is convenient to use the bulldozer to push the excess soil on the ground to both sides for backfilling the sunken area to achieve the effect of leveling the ground. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the top view structure of the utility model;
[0018] Figure 3 This is a side view of the structure of the utility model;
[0019] Figure 4 This is a schematic diagram of the side section structure of the shovel tooth assembly beam.
[0020] In the figure: 1 rotary drilling barrel, 2 first hydraulic cylinder, 3 mounting plate, 4 rotating shaft, 5 spiral blade, 6 bulldozer plate, 7 supporting beam, 8 second hydraulic cylinder, 9 connecting side plate, 10 lifting arm, 11 flip arm, 12 lifting cylinder, 13 first transmission plate, 14 second transmission plate, 15 flip cylinder, 16 pulling rod, 17 shovel tooth assembly beam, 18 oblique teeth, 19 adjusting bolts, 20 triangular rib plate, 21 driving motor. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-4 The utility model provides a technical solution: a ground digging device for municipal greening, comprising a rotary digging cylinder 1, a first hydraulic cylinder 2 is fixedly installed on the top of the rotary digging cylinder 1, a mounting plate 3 is fixedly installed on the telescopic end of the first hydraulic cylinder 2, there are two first hydraulic cylinders 2, the two first hydraulic cylinders 2 are symmetrically fixedly installed on both sides of the rotary digging cylinder 1, and the telescopic ends of the two first hydraulic cylinders 2 are fixedly connected to the two ends of the mounting plate 3 respectively.
[0023] A rotating shaft 4 is rotatably installed on the lower side of the mounting plate 3, the bottom end of the rotating shaft 4 extends into the rotary drilling barrel 1, and a spiral blade 5 is fixedly installed thereon. A driving motor 21 is fixedly installed on the upper side of the mounting plate 3, the driving motor 21 drives the rotating shaft 4 to rotate, the first hydraulic cylinder 2 telescopes, so that the spiral blade 5 can extend from the bottom end of the rotary drilling barrel 1, and by arranging the spiral blade 5 in the rotary drilling barrel 1, the rotation and up and down lifting of the spiral blade 5 are utilized to dig a hole on the ground.
[0024] A bulldozer plate 6 is rotatably installed on the surface of the rotary drilling cylinder 1, a support beam 7 is fixedly installed on the surface of the rotary drilling cylinder 1, a triangular rib plate 20 is fixedly installed between the rotary drilling cylinder 1 and the support beam 7, a second hydraulic cylinder 8 is rotatably installed on the end of the support beam 7, and the telescopic end of the first hydraulic cylinder 2 is rotatably connected to the surface of the bulldozer plate 6.
[0025] A connecting side plate 9 is fixedly installed on the surface of the rotary drilling barrel 1 , and a hydraulically driven lifting arm 10 and a flip arm 11 are arranged on the front side of the bulldozer body. The ends of the lifting arm 10 and the flip arm 11 are rotatably connected to the connecting side plate 9 .
[0026] Among them, Figure 1 As shown, the bulldozer body is a wheeled bulldozer, which can better meet the use requirements of walking on urban roads. It is a prior art and will not be described here. The bulldozer body also includes a lifting cylinder 12, and the lifting arm 10 and the lifting cylinder 12 are both rotatably connected to the front end of the bulldozer body, and the telescopic end of the lifting cylinder 12 is rotatably connected to the surface of the telescopic lifting arm 10.
[0027] The surface of the lifting arm 10 is rotatably provided with a first transmission plate 13 and a second transmission plate 14, and the end of the flipping arm 11 away from the rotary drilling barrel 1 is rotatably connected to the end of the first transmission plate 13, and the two ends of the second transmission plate 14 are rotatably connected to the flipping cylinder 15 and the pull rod 16, respectively. The telescopic end of the flipping cylinder 15 is rotatably connected to the end of the first transmission plate 13, and the end of the pull rod 16 is rotatably connected to the front end of the excavator body. The height of the rotary drilling barrel 1 can be controlled by the extension and retraction of the lifting cylinder 12, and the inclination angle of the rotary drilling barrel 1 can be controlled by the extension and retraction of the flipping cylinder 15.
[0028] There are two bulldozer blades 6, which are symmetrically rotatably arranged on both sides of the rotary drilling tube 1. Two second hydraulic cylinders 8 are arranged at the end of the support beam 7. The telescopic ends of the two second hydraulic cylinders 8 are respectively rotatably connected to the two bulldozer blades 6. The telescopic ends of the second hydraulic cylinders 8 can make the bulldozer blades 6 on both sides unfold to form a straight line or a V shape for bulldozing. Figure 2 .
[0029] The rear sides of the two bulldozer blades 6 are fixedly installed with a shovel tooth assembly beam 17, and a plurality of slide grooves are opened inside the shovel tooth assembly beam 17, and a bevel tooth 18 is slidably inserted in each slide groove. An adjusting bolt 19 is rotatably installed on the upper end of the shovel tooth assembly beam 17, and the threaded end of the adjusting bolt 19 extends into the slide groove, and the threaded end of the adjusting bolt 19 is threadedly connected with the upper end of the bevel tooth 18, see Figure 4 The rotating adjustment bolt 19 can control the telescopic length of the bevel teeth 18, or the bevel teeth 18 can be retracted and hidden at the rear side of the bulldozer blade 6, so that the lower edge of the bulldozer blade 6 is in a straight plate shape, and the bevel teeth 18 can be extended to break the ground more easily.
[0030] A bulldozer plate 6 is rotatably installed on the surface of the rotary drilling cylinder 1, and the second hydraulic cylinder 8 drives the bulldozer plate 6 to rotate, thereby realizing the expansion and flipping and storage of the bulldozer plate 6. The bulldozer plate 6 can be used for bulldozing work. Since the angle of the bulldozer plate 6 is adjustable, the bulldozer plate 6 can be used to push excess soil on the ground to both sides for backfilling the sunken area, thereby achieving the effect of leveling the ground.
[0031] The municipal greening flat ground digging device, the rotary digging barrel 1 is assembled with the lifting arm 10 and the flip arm 11 of the bulldozer body through the connecting side plate 9 on the surface, so as to utilize the power of the bulldozer to lift the rotary digging barrel 1 and transfer the position, provide convenience for the digging operation, and have higher practicality and convenience.
[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A ground digging device for municipal greening, comprising a rotary digging drum (1), characterized in that: A first hydraulic cylinder (2) is fixedly mounted on the top of the rotary drilling barrel (1); a mounting plate (3) is fixedly mounted on the telescopic end of the first hydraulic cylinder (2); a rotating shaft (4) is rotatably mounted on the lower side of the mounting plate (3); the bottom end of the rotating shaft (4) extends into the rotary drilling barrel (1) and is fixedly mounted with a spiral blade (5); a driving motor (21) is fixedly mounted on the upper side of the mounting plate (3); the driving motor (21) drives the rotating shaft (4) to rotate; A bulldozer plate (6) is rotatably mounted on the surface of the rotary excavation cylinder (1), a support beam (7) is fixedly mounted on the surface of the rotary excavation cylinder (1), a second hydraulic cylinder (8) is rotatably mounted on the end of the support beam (7), and a telescopic end of the first hydraulic cylinder (2) is rotatably connected to the surface of the bulldozer plate (6); A connecting side plate (9) is fixedly mounted on the surface of the rotary drilling barrel (1), and a hydraulically driven lifting arm (10) and a tilting arm (11) are arranged on the front side of the bulldozer body, and the ends of the lifting arm (10) and the tilting arm (11) are both rotatably connected to the connecting side plate (9).
2. A device for digging holes on flat ground for municipal greening according to claim 1, characterized in that: The bulldozer body also includes a lifting cylinder (12); the lifting arm (10) and the lifting cylinder (12) are both rotatably connected to the front end of the bulldozer body; and the telescopic end of the lifting cylinder (12) is rotatably connected to the surface of the telescopic lifting arm (10).
3. A device for digging holes on flat ground for municipal greening according to claim 2, characterized in that: The surface of the lifting arm (10) is rotatably provided with a first transmission plate (13) and a second transmission plate (14); one end of the flipping arm (11) away from the rotary drilling barrel (1) is rotatably connected to the end of the first transmission plate (13); the two ends of the second transmission plate (14) are rotatably connected to a flipping cylinder (15) and a pull rod (16); the telescopic end of the flipping cylinder (15) is rotatably connected to the end of the first transmission plate (13); and the end of the pull rod (16) is rotatably connected to the front end of the excavator body.
4. A device for digging pits for municipal greening according to any one of claims 1 to 3, characterized in that: There are two bulldozer plates (6), which are symmetrically rotatably arranged on both sides of the rotary drilling barrel (1). Two second hydraulic cylinders (8) are arranged at the end of the support beam (7), and the telescopic ends of the two second hydraulic cylinders (8) are respectively rotatably connected to the two bulldozer plates (6).
5. A device for digging holes on flat ground for municipal greening according to claim 4, characterized in that: A shovel tooth assembly beam (17) is fixedly mounted on the rear side of the two bulldozer plates (6), a plurality of slide grooves are provided inside the shovel tooth assembly beam (17), and a bevel tooth (18) is slidably inserted into each slide groove.
6. A device for digging holes on flat ground for municipal greening according to claim 5, characterized in that: An adjusting bolt (19) is rotatably mounted on the upper end of the shovel tooth assembly beam (17); a threaded end of the adjusting bolt (19) extends into the slide groove, and the threaded end of the adjusting bolt (19) is threadedly connected to the upper end of the helical tooth (18).
7. A device for digging holes on flat ground for municipal greening according to claim 6, characterized in that: There are two first hydraulic cylinders (2), which are symmetrically fixedly mounted on both sides of the rotary drilling barrel (1), and the telescopic ends of the two first hydraulic cylinders (2) are respectively fixedly connected to the two ends of the mounting plate (3).
8. The device for digging holes on flat ground for municipal greening according to claim 7, characterized in that: A triangular rib plate (20) is fixedly installed between the rotary drilling cylinder (1) and the support beam (7), and the bulldozer body is a wheeled bulldozer.
