一种建筑工程基坑监测装置
By using a scale assembly and a multi-level plane mirror reflection design, the problem of the inability to intuitively read the water level in the foundation pit in existing technologies has been solved, enabling intuitive monitoring of the water level in the foundation pit and improving construction efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG PROVINCE COMM PLANNING & DESIGN INST
- Filing Date
- 2025-08-01
- Publication Date
- 2026-07-17
Smart Images

Figure CN224514285U_ABST
Abstract
Claims
1. A device for monitoring a building construction excavation, characterised in that, include: A monitoring tube (1) and a scale assembly (2) are arranged vertically. The bottom of the side wall of the monitoring tube (1) is provided with a water inlet. The scale assembly (2) is located inside the monitoring tube (1). An indicator ring (3) is slidably connected to the circumference of the scale assembly (2). A movable block assembly (4) is slidably connected in the vertical direction within the monitoring tube (1). The movable block assembly (4) is fixedly connected to the indicator ring (3). The total density of the movable block assembly (4) and the indicator ring (3) is less than the density of water. A first plane mirror (5) is fixedly connected to the upper surface of the movable block assembly (4). A second plane mirror (6) is located above the active block assembly (4) and is fixedly connected to the monitoring tube (1). The second plane mirror (6) is opposite to and parallel to the first plane mirror (5). The reading of the scale assembly (2) marked by the indicator ring (3) reflected by the first plane mirror (5) can be read through the second plane mirror (6).
2. The construction engineering foundation pit monitoring device according to claim 1, characterized in that, The scale component (2) includes: A first guide rod (201) is fixedly connected vertically inside the monitoring tube (1); and A scale (202) is movably mounted on the side wall of the first guide rod (201) in the vertical direction. The scale (202) is fixedly and slidably connected to the first guide rod (201). The side wall of the scale (202) is provided with scale lines (203). The indicator ring (3) is mounted on the periphery of the scale (202).
3. A construction works excavation monitoring apparatus according to claim 2, characterised in that, The outer side wall of the first guide rod (201) is provided with a sliding groove (204) in the vertical direction, and the inner side wall of the scale (202) is provided with a sliding protrusion (205). The sliding protrusion (205) is slidably connected to the sliding groove (204), and the outer side wall of the scale (202) is threadedly connected with a locking bolt (206). The locking bolt (206) selectively abuts against the first guide rod (201).
4. The construction works excavation monitoring device according to claim 3, wherein, The locking bolt (206) is located at the upper end of the scale (202). The monitoring tube (1) opposite to the locking bolt (206) has an inspection hole (8) on its side wall and is hinged with an inspection door (9). The inspection door (9) can selectively open and close the inspection hole (8).
5. A construction works excavation monitoring apparatus according to claim 4, characterised in that, It also includes several second guide rods (10) fixedly connected in the vertical direction inside the monitoring tube (1), and the second guide rods (10) are slidably connected to the movable block assembly (4).
6. The construction works excavation monitoring apparatus of claim 5, wherein, The active block component (4) includes: A sliding block (401) is slidably connected to the second guide rod (10), and a first bracket (402) is fixedly connected to the top of the sliding block (401). The first plane mirror (5) is installed on the first bracket (402). A float (403) is fixedly connected to the lower surface of the sliding block (401). The total density of the sliding block (401), the first bracket (402), the first plane mirror (5), the float (403), and the indicator ring (3) is less than the density of water.
7. A construction works excavation monitoring apparatus according to claim 6, characterised in that, Also includes: A second bracket (7) is fixedly connected to the top of the monitoring tube (1), and a second plane mirror (6) is installed on the second bracket (7); An observation tube (11) is vertically fixedly connected to the top end of the monitoring tube (1). A third bracket (13) is fixedly connected inside the observation tube (11). A third plane mirror (14) is installed on the third bracket (13). The third plane mirror (14) is parallel to and opposite to the second plane mirror (6). An observation window (12) is installed at the top end of the side wall of the observation tube (11). The observation window (12) is opposite to the third plane mirror (14). Through the observation window (12), the reading of the scale line (203) marked by the indicator ring (3) reflected by the second plane mirror (6) and the first plane mirror (5) can be read on the third plane mirror (14).
8. A construction works excavation monitoring apparatus according to claim 7, characterised in that, The first plane mirror (5), the second plane mirror (6) and the third plane mirror (14) are at an angle of 45 degrees to the horizontal direction.
9. The construction engineering foundation pit monitoring device according to claim 7, characterized in that, Also includes: The water inlet pipe (15) has one end fixedly connected to the water inlet hole and the other end located on the periphery of the monitoring pipe (1); A filter plate (16) located at the other end wall of the water inlet pipe (15), the filter plate (16) having a plurality of filter holes; and A locking ring (17) is detachably connected to the other end of the water inlet pipe (15), and the locking ring (17) cooperates with the other end of the water inlet pipe (15) to clamp the filter plate (16).
10. A construction works excavation monitoring apparatus according to claim 9, characterised in that, The monitoring tube (1) has a base plate (18) fixedly connected to its lower surface, and the base plate (18) has a number of mounting holes (19).