Skeleton tree pit digging device
By designing the base, fixing components, and excavation components, the safety and debris flying problems during the excavation of tree pits for skeleton trees are solved, achieving safe and efficient tree pit excavation, and suitable for skeleton trees of different diameters.
Patent Information
- Application Number
- CN202520399268.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Existing technologies have problems with low safety and scattered tree debris when excavating tree pits for skeletal trees.
The design employs a base, a fixing component, and an excavation component. The elastic abutment is tightly attached to the skeleton tree and secured with binding straps. The power component drives the excavation component to move axially. The excavation component is located inside the base, and tree debris falls through the debris discharge chute to prevent it from affecting operation.
It improves the safety of the excavation process, prevents tree debris from flying around, ensures the normal operation of the operation, and is suitable for skeleton trees of different diameters.
Smart Images

Figure CN223786692U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of excavation equipment, and in particular to a device for excavating tree pits for skeleton trees. Background Technology
[0002] In courtyards, framework trees are typically planted to enhance aesthetics. Holes are also dug in these trees to install fixtures, such as decorations, further improving their appearance. Currently, drilling holes directly into the trunk of framework trees using tools like electric drills is unsafe and causes tree debris to fly everywhere, hindering the user's work. Utility Model Content
[0003] The purpose of this utility model is to provide a tree pit excavation device for skeleton trees. The tree pit excavation device for skeleton trees has the characteristics of safety and preventing tree debris from flying around, and has good applicability.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] A tree pit excavation device for skeletal trees includes: a base having an arc-shaped abutment portion; a fixing assembly including an elastic abutment member and a binding strap, wherein the elastic abutment member is detachably connected to the arc-shaped abutment portion, one end of the binding strap is fixed to the base, and the other end is detachably connected to the base; and an excavation assembly located within the base, including a power member and an excavating member, wherein the power member can drive the excavating member to move axially; wherein the arc-shaped abutment portion has a through hole through which the excavating member can pass, and the elastic abutment member has a chip removal groove through which the excavating member can pass.
[0006] Preferably, the elastic abutment is arc-shaped, the outer arc surface of the elastic abutment is detachably connected to the arc-shaped abutment portion, and the inner arc surface of the elastic abutment abuts against the skeleton tree.
[0007] Preferably, the elastic abutment member has guide surfaces at both ends.
[0008] Preferably, the elastic abutment further includes friction strips, wherein there are multiple friction strips, and each friction strip is spaced apart on the inner arc surface of the elastic abutment along the arc direction of the elastic abutment.
[0009] Preferably, the chip groove extends downwards and penetrates the elastic abutment in the vertical direction.
[0010] Preferably, along the arc direction of the elastic abutment, the width of the chip groove is greater than the diameter of the through hole.
[0011] Preferably, the skeleton tree pit excavation device further includes a control board and buttons fixed on the base, and the buttons and the power component are electrically connected to the control board.
[0012] Compared with the prior art, the beneficial effects of the tree pit excavation device for skeleton trees provided in the above technical solution are as follows: the elastic abutment abuts against the skeleton tree. Since the elastic abutment can deform, it can fit more closely with the skeleton tree. Then, by wrapping one end of the binding strap around the skeleton tree and fixing it to the base, the base and the skeleton tree can be stably fixed. In addition, the power component can drive the excavator to move axially so that the excavator can excavate the skeleton tree. Since the excavator is located inside the base, safety can be improved and the excavator can prevent the excavator from injuring the user. Moreover, the tree debris generated during excavation can fall off along the debris groove on the elastic abutment, thereby preventing the tree debris from affecting the user's normal operation. Attached Figure Description
[0013] Figure 1 This is an assembly diagram of the skeleton tree pit excavation device provided in an embodiment of the present utility model;
[0014] Figure 2 An assembly diagram of the base, control board, and buttons provided for an embodiment of this utility model;
[0015] Figure 3 This is a schematic diagram of the elastic abutment and excavation assembly provided in an embodiment of the present utility model.
[0016] 1. Base; 11. Arc-shaped abutment part; 12. Through hole; 2. Fixing component; 21. Elastic abutment part; 211. Chip drop groove; 212. Guide surface; 213. Friction strip; 22. Binding strap; 3. Digging component; 31. Power component; 32. Digging component; 4. Control panel; 5. Button; 6. Base cover. Detailed Implementation
[0017] The present invention will now be described in more detail with reference to the accompanying drawings. It should be noted that the description of the present invention with reference to the accompanying drawings is merely illustrative and not restrictive. Various embodiments can be combined with each other to form other embodiments not shown in the following description.
[0018] Please see Figures 1 to 3 The skeleton tree pit excavation device includes a base 1, a fixing component 2, an excavation component 3, a control panel 4, buttons 5, and a base cover 6.
[0019] The base 1 has an arc-shaped abutment portion 11; the fixing component 2 includes an elastic abutment member 21 and a binding strap 22, the elastic abutment member 21 is detachably connected to the arc-shaped abutment portion 11, one end of the binding strap 22 is fixed to the base 1, and the other end is detachably connected to the base 1; the digging component 3 is located inside the base 1 and includes a power member 31 and a digging member 32, the power member 31 can drive the digging member 32 to move axially; wherein, the arc-shaped abutment portion 11 has a through hole 12 through which the digging member 32 can pass, and the elastic abutment member 21 has a chip removal groove 211 through which the digging member 32 can pass.
[0020] The elastic abutment 21 abuts against the skeleton tree. Since the elastic abutment 21 can deform, it can fit more closely with the skeleton tree. Then, the binding strap 22 is wrapped around the skeleton tree once and fixed to the base 1, thereby stabilizing the base 1 and the skeleton tree. In addition, the power unit 31 can drive the excavator 32 to move axially, so that the excavator 32 can excavate the skeleton tree. Since the excavator 32 is located inside the base 1, it can improve safety and prevent the excavator 32 from injuring the user. The tree debris generated during excavation can fall off along the debris groove 211 on the elastic abutment 21, thereby preventing the tree debris from affecting the user's normal operation.
[0021] It is conceivable that the base 1 has an opening on one side and is hollow inside, allowing the excavation component 3 to enter the base 1 and be installed. The side of the base 1 away from the opening has an arc-shaped abutment 11, which can fit tightly against the approximately cylindrical tree trunk.
[0022] When the tree pit excavation device is not in use, the binding strap 22 can be located inside the base 1. When needed, simply pull the binding strap 22 out from the base 1, wrap it around the tree pit once, and then fix it to the base 1. Different lengths of binding strap 22 can be used for tree pits of different diameters, thereby improving the practicality of the tree pit excavation device.
[0023] When the tree pit excavation device is not in use, the excavation component 3 can be located inside the base 1, so the excavation component 3 will not affect the fixation of the base 1 and the tree skeleton. When needed, the power component 31 can drive the excavation component 32 to move axially, and the excavation component 32 can pass through the through hole 12 and the chip removal groove 211 in sequence to excavate the tree skeleton.
[0024] In this embodiment, the power component 31 includes a hydraulic cylinder and a motor, and the excavation component 32 is a drill bit. The hydraulic cylinder is fixed to the base 1, the output end of the hydraulic cylinder is fixed to the motor, and the output end of the motor is fixed to the drill bit. Therefore, the hydraulic cylinder can drive the motor and the drill bit to move axially, and at the same time, the motor can drive the drill bit to rotate, so that the drill bit can dig holes in the skeleton tree.
[0025] Since the drill bit is cylindrical in shape, the direction of the drill bit's central axis is defined as the axial direction.
[0026] Very importantly, the excavation component 3 is not limited to the above situations. For example, the excavation component 32 can be a digging blade, and the power component 31 can drive the excavation component 32 to move axially and dig a trench, thereby digging a trench on the skeleton tree.
[0027] The base cover 6 can be rotatably connected to the base 1, and the base cover 6 can cover the opening on the base 1.
[0028] The elastic abutment 21 is arc-shaped, and the outer arc surface of the elastic abutment 21 is detachably connected to the arc-shaped abutment part 11. The inner arc surface of the elastic abutment 21 abuts against the skeleton tree.
[0029] The curved, elastic abutment 21 can fit more closely to the skeleton tree, thereby enhancing the stability of the base 1.
[0030] Importantly, because the elastic abutment 21 and the arc-shaped abutment 11 are detachably connected, elastic abutment 21 of different thicknesses can be replaced when excavating skeleton trees of different diameters, thus ensuring a tight fit for skeleton trees of different diameters and improving the practicality of the skeleton tree pit excavation device. The detachable connection between the elastic abutment 21 and the arc-shaped abutment 11 can be achieved through bonding, fastener connection, etc.
[0031] In addition, the tree pit excavation device for the skeleton tree will generate a certain amount of vibration when it is working. The elastic abutment 21 is abutted between the base 1 and the skeleton tree. Therefore, the elastic abutment 21 can absorb some of the vibration, thereby reducing the leaves that fall off the skeleton tree due to vibration, thus ensuring the aesthetics of the skeleton tree.
[0032] To facilitate the contact between the elastic abutment 21 and the skeleton tree, guide surfaces 212 are provided at both ends of the elastic abutment 21. Therefore, when the skeleton tree pit digging device is moved, the guide surfaces 212 can guide the skeleton tree into the arc-shaped space between the elastic abutment 21, thereby facilitating the installation of the skeleton tree pit digging device.
[0033] To further enhance the stability between the elastic abutment 21 and the skeleton tree, the elastic abutment 21 also includes friction strips 213. Multiple friction strips 213 are provided, and each friction strip 213 is spaced apart on the inner arc surface of the elastic abutment 21 along the arc direction of the elastic abutment 21.
[0034] Vertically, the chip removal channel 211 extends downwards and passes through the elastic abutment member 21. It is conceivable that the excavator 32 will generate tree chips during operation. Because the elastic abutment member 21 abuts against the skeletal tree, the tree chips will not fly upwards but will fall downwards along the chip removal channel 211 under the influence of gravity. The user can be positioned to the side of the skeletal tree pit excavation device, thus preventing the tree chips from interfering with the user's normal operation. Furthermore, a tree chip collection box can be fixed to the lower side of the base 1, allowing the falling tree chips to fall into the collection box, thereby preventing tree chips from flying around and affecting the user's normal operation.
[0035] Along the arc direction of the elastic abutment 21, the width of the chip removal groove 211 is greater than the diameter of the through hole 12. It is conceivable that the diameter of the through hole 12 also needs to be greater than the diameter of the excavator 32, so tree debris may enter the base 1. The larger width of the chip removal groove 211 allows the tree debris to fall directly within it, thus reducing the amount of tree debris entering the base 1. Alternatively, a filter screen can be installed inside the base 1 to intercept tree debris entering the base 1, thereby preventing tree debris from affecting the normal operation of the excavator assembly 3.
[0036] The tree pit excavation device also includes a control panel 4 and buttons 5 fixed to the base 1. Buttons 5 and the power unit 31 are electrically connected to the control panel 4. Users can perform different operations through different buttons 5, thus saving users time. In addition, the tree pit excavation device can have a power supply installed in the base 1, which supplies power to the control panel 4, excavation components 3, etc., or it can be directly connected to an external power source via wires.
[0037] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.
Claims
1. A device for excavating tree pits for skeleton trees, characterized in that, include: The base (1) has an arc-shaped abutment part (11); The fixing component (2) includes an elastic abutment (21) and a binding strap (22). The elastic abutment (21) is detachably connected to the arc-shaped abutment (11). One end of the binding strap (22) is fixed to the base (1), and the other end is detachably connected to the base (1). The excavation component (3) is located inside the base (1) and includes a power component (31) and an excavation component (32). The power component (31) can drive the excavation component (32) to move axially. The arc-shaped abutment part (11) has a through hole (12) through which the excavator (32) can pass, and the elastic abutment part (21) has a chip groove (211) through which the excavator (32) can pass.
2. The skeleton tree pit excavation device as described in claim 1, characterized in that, The elastic abutment (21) is arc-shaped, and the outer arc surface of the elastic abutment (21) is detachably connected to the arc-shaped abutment part (11). The inner arc surface of the elastic abutment (21) abuts against the skeleton tree.
3. The skeleton tree pit excavation device as described in claim 1, characterized in that, The elastic abutment member (21) has guide surfaces (212) at both ends.
4. The skeleton tree pit excavation device as described in claim 1, characterized in that, The elastic abutment (21) further includes friction strips (213), wherein there are multiple friction strips (213), and each friction strip (213) is spaced apart on the inner arc surface of the elastic abutment (21) along the arc direction of the elastic abutment (21).
5. The skeleton tree pit excavation device as described in claim 1, characterized in that, In the vertical direction, the chip groove (211) extends downward and penetrates the elastic abutment (21).
6. The skeleton tree pit excavation device as described in claim 1, characterized in that, Along the arc direction of the elastic abutment (21), the width of the chip groove (211) is greater than the diameter of the through hole (12).
7. The skeleton tree pit excavation device as described in claim 1, characterized in that, The skeleton tree pit excavation device also includes a control board (4) and a button (5) fixed on the base (1). The button (5) and the power component (31) are electrically connected to the control board (4).