一种树穴铺装切圆划线装置
By using symmetrically arranged semi-circular layout units and connectors, the problem of uneven marking caused by irregular tree trunks and obstacles in tree pit paving was solved, achieving an efficient and aesthetically pleasing tree pit marking effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 中庆建设有限责任公司
- Filing Date
- 2025-08-20
- Publication Date
- 2026-07-17
AI Technical Summary
In traditional tree pit paving construction, irregular tree trunks and obstacles cause uneven markings and interruptions in the operation, affecting both aesthetics and efficiency.
The symmetrical semi-circular layout units, combined with connectors and positioning bases, ensure that the device can flexibly avoid obstacles, achieve precise docking and stable fit, and provide a stable circular scribing reference.
It achieves continuous and smooth line marking, improves construction efficiency and aesthetics, and reduces construction difficulty and material costs.
Smart Images
Figure CN224504013U_ABST
Abstract
Claims
1. A tree pit paving cutting circle marking device, characterised in that: The application relates to a half-circular lofting unit, which comprises two symmetrically arranged half-circular lofting units, each of which comprises an arc-shaped steel plate (1), a framework structure and a positioning base frame, the framework structure is connected with the inner side of the arc-shaped steel plate (1), the positioning base frame is connected with the framework structure, the positioning base frames of the two half-circular lofting units jointly enclose a rectangular area, the two ends of the arc-shaped steel plate (1) are provided with connecting pieces (6), and the two arc-shaped steel plates (1) are detachably connected through the connecting pieces (6) at the two ends.
2. A tree pit paving circle marking device according to claim 1, wherein: The framework structure comprises a connecting rod (2) and a main connecting rod (3), the two ends of the main connecting rod (3) are respectively connected with the inner side walls of the arc-shaped steel plates (1), and one end of the connecting rod (2) is vertically connected with the main connecting rod (3) and the other end is connected with the inner side walls of the arc-shaped steel plates (1).
3. A tree pit paving circle marking device according to claim 2, wherein: The connecting rod (2) and the main connecting rod (3) are square tubes with a section size of 3mm*3mm.
4. A tree pit paving cutting circle marking device according to claim 1, wherein: The thickness of the arc-shaped steel plate (1) is 3mm.
5. A tree pit paving circle marking device according to claim 2, wherein: The positioning base frame comprises two symmetrically arranged auxiliary rods (4) and a cross rod (5), the two auxiliary rods (4) are vertically arranged with the main connecting rod (3), and the cross rod (5) is vertically arranged between the two auxiliary rods (4).
6. A tree pit paving circle marking device according to claim 5, wherein: The auxiliary rod (4) and the cross rod (5) are square tubes with a section size of 3mm*3mm.
7. A tree pit paving circle marking device according to claim 1, wherein: The size of the rectangular area is 30cm*30cm.
8. A tree pit paving circle marking device according to claim 1, wherein: A positioning pin is arranged in a plug-in hole in the center of the connecting piece (6).