Portable pit digging device
By using components such as bottom plate, movable rack, servo motor and spring in portable pit digger, the problem of troubles and labor intensity of pit digging operations in afforestation in the hilly areas in southern China has been solved, and more efficient and stable pit digging operations have been achieved , reduces costs.
Patent Information
- Application Number
- CN202420316241.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-20
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-02-20
AI Technical Summary
In the afforestation work in the hilly southern areas, the mountains are high and the slopes are steep, which makes it impossible to use large-scale pit digging machines. The existing portable pit digging machines are troublesome to operate and cause users to be tired, labor intensity, low efficiency and high cost.
A portable pit digger is designed, using components such as base plate, movable frame, servo motor, ground plug and spring. The movable frame is driven to move through electric push rods and the ground plug and fix the fixing device. The spring provides flexibility and improves the stability of the device. And flexibility, the servo motor and rotating shaft drive the main body of the pit digger to achieve efficient pit digging.
It improves the stability and flexibility of the pit digger, reduces operation difficulty, reduces user fatigue, improves the efficiency of afforestation operations and reduces costs.
Smart Images

Figure CN222235502U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pit diggers, and more specifically to a portable pit digger. Background Art
[0002] At present, afforestation in the hilly areas of southern my country is still an extremely difficult task. The main reason is that the mountains are high and the slopes are steep, so large-scale pit digging machines cannot be deployed, and people can only dig pits and plant trees. Therefore, afforestation operations are labor-intensive, inefficient, and costly. In order to reduce the labor intensity of afforestation operations, improve production efficiency, and reduce production costs, a portable pit digger is urgently needed to replace manual pit digging operations.
[0003] The shortcomings of the existing technology: When using the existing portable digger, the worker needs to hold the operating handle by hand, put the drill bit on the ground, and then apply downward pressure to complete the digging. Not only is the operation troublesome, but the worker also needs to bend over constantly when digging, which easily causes fatigue to the user. Therefore, we propose a portable digger to solve the above problems. Utility Model Content
[0004] In order to overcome the above defects of the prior art, the utility model provides a portable pit digger to solve the problems existing in the above background technology.
[0005] The utility model provides the following technical solutions: a portable pit digger, comprising a bottom plate, both ends of the upper surface of the bottom plate are provided with fixed frames, the middle part of the upper surface of the bottom plate is provided with a movable frame, the middle part of the upper surface of the movable frame is fixedly connected with a servo motor, the output end of the servo motor is provided with a pit digger body, both sides of the two ends of the bottom plate are provided with movable rods, the top ends of the movable rods are fixedly connected with baffles, the bottom ends of the movable rods are fixedly connected with ground plugs, the outer sides of the movable rods are sleeved with fixed blocks, one end of the fixed blocks is fixedly connected to the surface of the bottom plate, the sides of the fixed blocks are provided with threaded grooves, the threaded grooves on the sides of the fixed blocks are threadedly connected with limit bolts, the outer sides of the movable rods are sleeved with springs, and the two ends of the springs are respectively adapted to the lower surface of the baffle and the upper surface of the fixed block;
[0006] Preferably, both ends of the base plate are fixedly connected with pull rods, a through hole is opened in the middle of the upper surface of the base plate, the position of the through hole is adapted to the position of the pit digger body, and both ends of the lower surface of the base plate are fixedly connected with universal wheel assemblies.
[0007] Preferably, both ends of both sides of the lower surface of the fixing frame are fixedly connected with bolts, the fixing frames are fixedly connected to the upper surface of the base plate by bolts, both ends of the top end of the fixing frame are fixedly connected with support blocks, the end of the support block away from the fixing frame is movably connected with a sliding rod, the bottom end of the sliding rod is fixedly connected to the upper surface of the base plate, the middle part of the top end of the fixing frame is fixedly connected with a mounting block, the inner wall of the mounting block is fixedly connected with an electric push rod, the output end of the electric push rod is movably connected with a limit rod, and the bottom end of the limit rod is fixedly connected to the upper surface of the movable frame.
[0008] Preferably, both ends of the movable frame are fixedly connected with sliders, the inner walls of the sliders are slidably connected to the sides of the slide rods, the lower surface of the movable frame is fixedly connected with a mounting frame, and the inner wall of the mounting frame is movably connected with a connecting block through a bearing.
[0009] Preferably, the output end of the servo motor is movably connected to a rotating shaft, the bottom end of the rotating shaft is fixedly connected to a connecting seat, the connecting seat is fixedly connected to the top of the connecting block, the four corners of the lower surface of the servo motor are fixedly connected to fixing bolts, and the servo motor is fixedly connected to the upper surface of the movable frame through the fixing bolts.
[0010] Preferably, a mounting seat is fixedly connected to the top of the pit digger body, and the top of the mounting seat is fixedly connected to the bottom end of the connecting block.
[0011] Technical effects and advantages of the utility model:
[0012] 1. The utility model is provided with an electric push rod. When the device is used, the electric push rod drives the movable frame through the limit rod during operation, so that the movable frame moves up and down on the upper surface of the bottom plate through the slider with the slider as the track, so that the digger body contacts the ground through the through hole, which is beneficial to improve the stability of the device.
[0013] 2. The utility model is provided with a ground plug. When the device is used, after the device is moved to a suitable position, the limit bolt is rotated so that the movable rod can move up and down inside the fixed block. At this time, the baffle is pressed to insert the ground plug into the ground, and then the limit bolt is rotated to fix the position of the movable rod, thereby fixing the device at a specific position, which is beneficial to improve the stability of the device when digging a pit.
[0014] 3. The utility model is provided with a spring, which, during use, pushes the baffle upwards by its own elastic force, so that the baffle moves the ground plug out of the ground through the movable rod, which is beneficial to improve the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the fixing frame structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the movable frame of the utility model;
[0018] Figure 4 This is a schematic diagram of the main structure of the pit digger of the utility model;
[0019] Figure 5 It is a schematic diagram of the ground plug structure of the utility model.
[0020] The accompanying drawings are marked as follows: 1. base plate; 101. pull rod; 102. through hole; 103. universal wheel assembly; 2. fixed frame; 201. bolt; 202. support block; 2021. slide bar; 203. mounting block; 204. electric push rod; 2041. limit rod; 3. movable frame; 301. slider; 302. mounting frame; 303. connecting block; 4. servo motor; 401. rotating shaft; 402. connecting seat; 403. fixing bolt; 5. digging device body; 501. mounting seat; 6. movable rod; 601. baffle; 602. ground plug; 603. fixed block; 6031. limit bolt; 604. spring. DETAILED DESCRIPTION
[0021] The following will clearly and completely describe the technical solution of the utility model in conjunction with the drawings in the utility model. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the portable pit digger involved in the utility model is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.
[0022] The utility model provides a portable pit digger, comprising a bottom plate 1, both ends of the upper surface of the bottom plate 1 are provided with fixed frames 2, the middle part of the upper surface of the bottom plate 1 is provided with a movable frame 3, the middle part of the upper surface of the movable frame 3 is fixedly connected with a servo motor 4, the output end of the servo motor 4 is provided with a pit digger body 5, both sides of the two ends of the bottom plate 1 are provided with movable rods 6, the top of the movable rods 6 are fixedly connected with baffles 601, the bottom of the movable rods 6 are fixedly connected with ground plugs 602, the outer side of the movable rods 6 are sleeved with fixed blocks 603, one end of the fixed blocks 603 is fixedly connected to the surface of the bottom plate 1, the side of the fixed blocks 603 is provided with threaded grooves, the threaded grooves on the side of the fixed blocks 603 are threadedly connected with limited bolts 6031, and the outer side of the movable rods 6 is sleeved with springs 604 The two ends of the spring 604 are respectively matched with the lower surface of the baffle 601 and the upper surface of the fixed block 603. When in use, when the device is moved to a suitable position, the limit bolt 6031 is rotated so that the movable rod 6 can move up and down inside the fixed block 603. At this time, the baffle 601 is pressed to insert the ground plug 602 into the ground, and then the limit bolt 6031 is rotated to fix the position of the movable rod 6, thereby fixing the device in a specific position, which is beneficial to improve the stability of the device when digging a pit, and through the spring 604, it will push the baffle 601 upward through its own elastic force during use, so that the baffle 601 moves the ground plug 602 out of the ground through the movable rod 6, which is beneficial to improve the flexibility of the device.
[0023] Furthermore, both ends of the base plate 1 are fixedly connected with pull rods 101, and a through hole 102 is opened in the middle of the upper surface of the base plate 1. The position of the through hole 102 is adapted to the position of the pit digger body 5, and both ends of the lower surface of the base plate 1 are fixedly connected with universal wheel assemblies 103. When in use, the pull rod 101 is pulled, and the traction force generated by the pull rod 101 will drive the universal wheel assembly 103 to rotate, thereby facilitating the movement of the device.
[0024] Furthermore, both ends of the lower surface of the fixing frame 2 are fixedly connected with bolts 201, and the fixing frame 2 is fixedly connected to the upper surface of the bottom plate 1 through the bolts 201. Both ends of the top of the fixing frame 2 are fixedly connected with support blocks 202, and the end of the support block 202 away from the fixing frame 2 is movably connected with a slide bar 2021, and the bottom end of the slide bar 2021 is fixedly connected to the upper surface of the bottom plate 1. The middle part of the top of the fixing frame 2 is fixedly connected with a mounting block 203, and the inner wall of the mounting block 203 is fixedly connected with The electric push rod 204, the output end of the electric push rod 204 is movably connected to the limit rod 2041, and the bottom end of the limit rod 2041 is fixedly connected to the upper surface of the movable frame 3. When in use, the electric push rod 204 will drive the movable frame 3 through the limit rod 2041 during operation, so that it moves up and down on the upper surface of the base plate 1 through the slider 301 with the slider 2021 as the trajectory, so that the digging device body 5 contacts the ground through the through hole 102, thereby providing a downward pressure for the digging device body 5.
[0025] Furthermore, both ends of the movable frame 3 are fixedly connected with sliders 301, the inner walls of the sliders 301 are slidably connected to the sides of the slide rods 2021, the lower surface of the movable frame 3 is fixedly connected with a mounting frame 302, and the inner wall of the mounting frame 302 is movably connected with a connecting block 303 through a bearing. When in use, the connecting block 303 is provided to facilitate replacement and maintenance of the digger body 5.
[0026] Furthermore, the output end of the servo motor 4 is movably connected with a rotating shaft 401, and the bottom end of the rotating shaft 401 is fixedly connected with a connecting seat 402, and the connecting seat 402 is fixedly connected to the top of the connecting block 303. The four corners of the lower surface of the servo motor 4 are fixedly connected with fixing bolts 403. The servo motor 4 is fixedly connected to the upper surface of the movable frame 3 through the fixing bolts 403. The top of the digger body 5 is fixedly connected with a mounting seat 501, and the top of the mounting seat 501 is fixedly connected to the bottom end of the connecting block 303. When in use, the servo motor 4 will drive the connecting block 303 to rotate rapidly through the rotating shaft 401 during operation. When the connecting block 303 rotates, it will drive the digger body 5 to rotate rapidly through the mounting seat 501. During the rotation of the digger body 5, it will dig a hole in the ground, thereby realizing the excavation of the ground planting hole, which is beneficial to improving the working efficiency of the device.
[0027] The working principle of the utility model: when in use, pull the pull rod 101, and the traction force generated by the pull rod 101 will drive the universal wheel assembly 103 to rotate, thereby facilitating the movement of the device. When the device moves to a suitable position, rotate the limit bolt 6031 so that the movable rod 6 can move up and down inside the fixed block 603. At this time, press the baffle 601 to insert the ground plug 602 into the ground, and then rotate the limit bolt 6031 to fix the position of the movable rod 6, thereby fixing the device in a specific position, which is beneficial to improving the stability of the device when digging a hole, and through the spring 604, it will push the baffle 601 upward through its own elastic force during use, so that the baffle 601 moves the ground plug 602 out of the ground through the movable rod 6, which is beneficial to improving the flexibility of the device.
[0028] When digging a hole, the servo motor 4 and the electric push rod 204 are started. During the operation, the electric push rod 204 will drive the movable frame 3 through the limit rod 2041, so that it moves up and down on the upper surface of the base plate 1 through the slider 301 with the slider 2021 as the trajectory, so that the digger body 5 contacts the ground through the through hole 102. At this time, during the operation, the servo motor 4 will drive the connecting block 303 to rotate rapidly through the rotating shaft 401. When the connecting block 303 rotates, it will drive the digger body 5 to rotate rapidly through the mounting seat 501. During the rotation process, the digger body 5 will dig a hole in the ground, thereby realizing the excavation of the ground planting pit, which is beneficial to improving the working efficiency of the device.
[0029] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0030] Secondly: The drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A portable pit digger, comprising a base plate (1), characterized in that: Fixed frames (2) are provided at both ends of the upper surface of the bottom plate (1), a movable frame (3) is provided in the middle of the upper surface of the bottom plate (1), a servo motor (4) is fixedly connected to the middle of the upper surface of the movable frame (3), and a digger body (5) is provided at the output end of the servo motor (4), movable rods (6) are provided on both sides of both ends of the bottom plate (1), the top ends of the movable rods (6) are fixedly connected to baffles (601), the bottom ends of the movable rods (6) are fixedly connected to ground plugs (602), and the The outer side of the movable rod (6) is sleeved with a fixed block (603), one end of the fixed block (603) is fixedly connected to the surface of the bottom plate (1), the side of the fixed block (603) is provided with a threaded groove, and the threaded groove on the side of the fixed block (603) is threadedly connected to a limit bolt (6031), and the outer side of the movable rod (6) is sleeved with a spring (604), and the two ends of the spring (604) are respectively adapted to the lower surface of the baffle (601) and the upper surface of the fixed block (603).
2. A portable hole digger according to claim 1, characterized in that: Both ends of the base plate (1) are fixedly connected to pull rods (101), a through hole (102) is opened in the middle of the upper surface of the base plate (1), the position of the through hole (102) is adapted to the position of the pit digger body (5), and both ends of the lower surface of the base plate (1) are fixedly connected to universal wheel assemblies (103).
3. A portable hole digger according to claim 1, characterized in that: Both ends of the lower surface of the fixing frame (2) are fixedly connected with bolts (201), and the fixing frame (2) is fixedly connected to the upper surface of the bottom plate (1) through the bolts (201). Both ends of the top of the fixing frame (2) are fixedly connected with support blocks (202), and one end of the support block (202) away from the fixing frame (2) is movably connected with a slide bar (2021), and the bottom end of the slide bar (2021) is fixedly connected to the upper surface of the bottom plate (1). The middle part of the top of the fixing frame (2) is fixedly connected with a mounting block (203), and the inner wall of the mounting block (203) is fixedly connected with an electric push rod (204), and the output end of the electric push rod (204) is movably connected to a limit rod (2041), and the bottom end of the limit rod (2041) is fixedly connected to the upper surface of the movable frame (3).
4. A portable hole digger according to claim 3, characterized in that: Both ends of the movable frame (3) are fixedly connected with sliders (301), the inner walls of the sliders (301) are slidably connected to the sides of the slide bars (2021), the lower surface of the movable frame (3) is fixedly connected with a mounting frame (302), and the inner wall of the mounting frame (302) is movably connected with a connecting block (303) via a bearing.
5. A portable hole digger according to claim 4, characterized in that: The output end of the servo motor (4) is movably connected to a rotating shaft (401), the bottom end of the rotating shaft (401) is fixedly connected to a connecting seat (402), the connecting seat (402) is fixedly connected to the top end of the connecting block (303), the four corners of the lower surface of the servo motor (4) are fixedly connected to fixing bolts (403), and the servo motor (4) is fixedly connected to the upper surface of the movable frame (3) via the fixing bolts (403).
6. A portable hole digger according to claim 4, characterized in that: The top end of the digging device body (5) is fixedly connected to a mounting seat (501), and the top end of the mounting seat (501) is fixedly connected to the bottom end of the connecting block (303).