Construction safety auxiliary device for building filter tank
By using an overall unfolding support structure, and by forming a stable triangular support with hinged auxiliary support frames and soil anchoring components, the stability and ease of installation of the filter pit foundation slope are solved, thereby improving construction safety and efficiency.
Patent Information
- Application Number
- CN202520478151.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-19
AI Technical Summary
Existing safety auxiliary devices for filter pond construction lack stability and ease of installation at the foundation pit slope, and their structure is prone to loosening, affecting construction safety.
An integrally deployable support structure is adopted, including components such as hinged auxiliary support frames, positioning inner frames, soil anchoring components, and connecting rods, forming a stable triangular support structure. It is fixed to the bottom of the foundation pit by soil anchoring components, thereby enhancing the stability of the slope support.
It achieves stable protection of the slope of the filter pit foundation, has good structural stability, is quick to install, reduces the risk of loosening, and improves construction safety and installation efficiency.
Smart Images

Figure CN223893861U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wastewater treatment equipment, and in particular to a construction safety auxiliary device for filter bed construction. Background Technology
[0002] A filter bed is a water treatment device that removes impurities from raw water and obtains clean water through filtration using a filter media layer. During construction, a foundation must first be built on the ground. Before building the foundation, a pit needs to be excavated. Due to the special nature of the soil, the soil at the edge of the pit is prone to slippage, which may affect the safety of workers. To address this, a safety protection device exists, such as Chinese invention patent CN115233690A, which discloses a pit protection structure for construction. This structure includes a protective frame, which comprises a pair of support rods. The support rods are right-angled, and a pair of telescopic components are connected between the ends of the two protective frames. Each telescopic component includes a hydraulic rod, which is connected to the bottom end of one of the support rods. The bottom end of the hydraulic rod is provided with a base column, and the bottom end of the base column is connected to the top end of the other support rod. The hydraulic rod drives one of the support rods to move up and down vertically. The distance between the two support rods can be increased or decreased to accommodate pits of different heights. A pair of straight plates are connected between the two ends of each support rod, forming a triangular structure with the support rod. This type of safety protection auxiliary device is mainly composed of multiple modular components and is mainly used for safety protection at the corner of the foundation pit. When installed in the foundation pit, it needs to be spliced and assembled, which is relatively cumbersome and inconvenient. The overall structural stability is relatively unsatisfactory, and the components may loosen when squeezed by the slope soil. Utility Model Content
[0003] The purpose of this invention is to provide a construction safety auxiliary device for filter bed construction. This invention achieves stable protection and support for the slope during filter bed foundation pit construction through an integral unfolding support structure, featuring good overall structural stability and convenient and quick installation.
[0004] The technical solution of this utility model is as follows: a construction safety auxiliary device for filter bed construction, comprising a set of auxiliary support frames that are hinged to each other, wherein a positioning inner frame is provided in one side of the auxiliary support frame; a circular hole is provided in the auxiliary support frame on the other side, and a rotating shaft is provided in the circular hole. Symmetrical connecting rods are provided on the circumference of the rotating shaft, and one end of the connecting rod has a hinge part with a connecting bolt. The hinge part is connected to the positioning inner frame by the connecting bolt; a soil-holding component is provided at the bottom of the auxiliary support frame.
[0005] In the aforementioned construction safety auxiliary device for filter bed construction, the positioning inner frame includes a set of horizontal bars installed in an auxiliary support frame on one side. The hinged part is detachably connected to the horizontal bars, and a reinforcing bar is provided between the horizontal bars.
[0006] In the aforementioned construction safety auxiliary device for filter bed construction, the auxiliary support frame includes a main frame, a connecting side support is provided on one side of the main frame, and an extension frame is connected to the connecting side support via a fixing member; the soil anchoring member is set at the bottom of the main frame.
[0007] In the aforementioned construction safety auxiliary device for filter bed construction, the extension frame is provided with diagonal tie rods arranged in an interlaced manner.
[0008] In the aforementioned construction safety auxiliary device for filter bed construction, a longitudinal rod is provided between the connecting rods, a plurality of first connecting seats are provided inside the longitudinal rod, a plurality of second connecting seats are provided on the circumferential surface of the reinforcing rod, and an auxiliary support rod is provided between the first connecting seats and the second connecting seats.
[0009] In the aforementioned construction safety auxiliary device for filter bed construction, a fixing hook is provided on the inner side of the auxiliary support on one side, and a fixing ring that matches the fixing hook is provided on the inner side of the auxiliary support frame on the other side.
[0010] In the aforementioned construction safety auxiliary device for filter bed construction, the soil anchoring component includes a fixed cylinder set on the bottom rod of the main frame, a soil anchoring rod connected by threads inside the fixed cylinder, the upper end of the soil anchoring rod having a square head connected to a rotating tool, and the lower end of the soil anchoring rod having a cone head that can be driven into the soil.
[0011] Compared with the prior art, the present invention has the following advantages:
[0012] 1. In this utility model, a protective barrier cloth is pre-enclosed in the foundation pit for filter tank construction. The auxiliary support frames on both sides are unfolded, and the soil anchoring device is driven into the soil at the bottom of the foundation pit. The auxiliary support frames and the protective barrier cloth are in contact. The rotating shaft rotates in the round hole and pulls out the connecting rod in the auxiliary support frame on one side. The auxiliary support frame on the other side has a positioning inner frame. The hinge part of the connecting rod is connected to the positioning inner frame by bolts. The connecting rod and the auxiliary support frames on both sides form a triangular support structure. This utility model achieves stable protection and support for the slope during the construction of the filter tank foundation pit through an overall unfolding support structure. It has the characteristics of good overall structural stability and convenient and quick installation.
[0013] 2. To further improve the stability of the support between the auxiliary support frames on both sides, auxiliary struts are added between the reinforcing rods and the longitudinal rods. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 This is a schematic diagram of a circular hole;
[0016] Figure 3 This is a schematic diagram of the connection of the side branches;
[0017] Figure 4 This is a schematic diagram of a longitudinal bar;
[0018] Figure 5 This is a schematic diagram of the soil-laying component.
[0019] The markings in the attached diagram are as follows: 1-Auxiliary support frame, 2-Positioning inner frame, 3-Round hole, 4-Rotating shaft, 5-Connecting rod, 6-Hinge, 7-Bolt, 8-Horizontal bar, 9-Reinforcing rod, 10-Main frame, 11-Connecting side support, 12-Extension frame, 13-Diagonal tie rod, 14-Longitudinal rod, 15-First connecting seat, 16-Second connecting seat, 17-Auxiliary support rod, 18-Fixing hook, 19-Fixing ring, 20-Soil anchoring component, 21-Fixing cylinder, 22-Soil anchoring rod, 23-Square head, 24-Conical head. Detailed Implementation
[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments, but this should not be construed as limiting the present invention.
[0021] Example: A construction safety auxiliary device for filter bed construction, comprising a set of auxiliary support frames 1 hinged together by shafts, as shown in the attached figure. Figure 1 As shown, a hinged frame connects the two auxiliary support frames, allowing them to be extended and retracted. A tarpaulin enclosure is installed around the perimeter of the pit before the auxiliary support frames are installed. A positioning inner frame 2 is welded inside one auxiliary support frame 1; the other auxiliary support frame 1 has a circular hole 3, as shown in the attached diagram. Figure 2 As shown, a rotating shaft 4 is installed inside the circular hole 3, allowing it to rotate. Symmetrical connecting rods 5 are installed on the circumference of the rotating shaft 4. One end of each connecting rod 5 has a hinge 6, and a connecting bolt 7 is attached to the hinge 6. The hinge 6 is connected to the positioning inner frame 2 via the connecting bolt 7. The positioning inner frame 2 includes a set of crossbars 8 disposed within an auxiliary support frame 1 on one side. The hinge 6 is detachably connected to the crossbars 8, and reinforcing rods 9 are installed between the crossbars 8. The entire positioning inner frame has an I-beam structure, maintaining good stability. A soil-holding component 20 is installed at the bottom of the auxiliary support frame 1.
[0022] The auxiliary support frame 1 includes a main frame 10, the circular hole is disposed inside the main frame, and a connecting side support 11 is installed on one side of the main frame 10, as shown in the attached figure. Figure 3As shown, the connecting side support 11 is connected to the extension frame 12 via a fixing component, and the soil-binding component 20 is set at the bottom of the main frame 10. The overall large-area frame structure provides stable protection and support for the slopes around the foundation pit. Using an integrated structure as the construction safety protection device has the following advantages: 1. The overall structure has fewer splicing nodes, resulting in superior mechanical performance and better ability to withstand various external forces that may occur during foundation pit construction, such as earth pressure, lateral pressure, and impact forces, reducing the risk of deformation, tilting, or even collapse due to external forces; 2. In complex construction environments, the integrated structure's protective device will not experience relative displacement between components due to vibration, collisions, or other factors, maintaining its initial installation state and ensuring the reliability of the protective function; 3. The integrated installation reduces the complexity of on-site construction, lowers the technical requirements for construction personnel, reduces the difficulty of quality control during construction, and makes it easier to ensure the installation quality of the protective device. The extension frame 12 is equipped with interlocking diagonal braces 13. The extension frame has a quadrilateral structure with a hollow center, making it structurally unstable. The diagonal braces improve the structural stability of the extension frame and also provide resistance to the tarpaulin enclosure. The soil-binding component 20 includes a fixing cylinder 21 mounted on the bottom rod of the main frame 10, as shown in the attached diagram. Figure 5 As shown, a soil-binding rod 22 is threadedly connected inside the fixed cylinder 21. The upper end of the soil-binding rod 22 has a square head 23 connected to the rotating tool, and the lower end of the soil-binding rod 22 has a cone head 24 that is driven into the soil. After the main frame is unfolded, the main frame is installed first, and the soil-binding rod is rotated and driven into the soil at the bottom of the foundation pit, so that the main frame is stably supported. In order to facilitate the rotation of the soil-binding rod, a tool is usually used to put on the square head, and then the soil-binding rod is rotated.
[0023] A longitudinal rod 14 is installed between the connecting rods 5, as shown in the attached figure. Figure 4 As shown, multiple first connecting seats 15 are installed inside the longitudinal rod 14, and multiple second connecting seats 16 are installed on the circumferential surface of the reinforcing rod 9. An auxiliary support rod 17 is installed between the first connecting seats 15 and the second connecting seats 16. To further improve the stability of the support between the auxiliary support frames on both sides, an auxiliary support rod is added between the reinforcing rod and the longitudinal rod. The auxiliary support rod is detachably connected to the connecting seats at both ends, generally by bolts. A fixing hook 18 is installed on the inner side of one auxiliary support, and a fixing ring 19 that matches the fixing hook 18 is installed on the inner side of the other auxiliary support frame 1. When disassembling the device, the auxiliary support rod is removed, the bolts are unscrewed, the extension frame is removed from under the main frame on both sides, the main frame on both sides is folded up, and the fixing hook and the fixing ring cooperate with each other, so that the two auxiliary support frames can be better stored and placed.
[0024] The working principle of this utility model is as follows: First, a tarpaulin enclosure is pre-installed on the four sides of the foundation pit to provide a foundation for the subsequent installation and protection of auxiliary devices. Then, a set of auxiliary support frames 1 that are hinged together are unfolded, and the soil-holding components are driven into the soil at the bottom of the foundation pit. Since the two auxiliary support frames 1 are connected by a hinged frame, they can be unfolded flexibly. After unfolding, the auxiliary support frame 1 abuts against the tarpaulin enclosure, initially providing protection and support. At this time, the rotating shaft 4 installed in the circular hole 3 of the auxiliary support frame 1 begins to rotate. As the rotating shaft 4 rotates, the connecting rods 5 that are symmetrical on the circumference are pulled out. Meanwhile, a positioning inner frame 2 is provided in the auxiliary support frame 1 on the other side. The positioning inner frame 2 consists of a set of horizontal bars 8 and horizontal... The reinforcing rods 9 between the rods 8 form an I-beam structure with good stability. The hinge 6 at one end of the connecting rod 5 is connected to the crossbar 8 of the positioning inner frame 2 by connecting bolts 7. In this way, the connecting rod 5 and the auxiliary support frames 1 on both sides form a stable triangular support structure, which greatly enhances the support stability of the foundation pit slope and effectively resists external forces such as compression that may be generated by the slope soil. In order to further improve the support stability between the auxiliary support frames 1 on both sides, an auxiliary support rod 17 is added between the longitudinal rod 14 between the connecting rod 5 and the reinforcing rod 9. The auxiliary support rod 17 is installed between the first connecting seat 15 in the longitudinal rod 14 and the second connecting seat 16 on the circumference of the reinforcing rod 9 to ensure that a good support effect is always maintained in complex construction environments.
Claims
1. A construction safety auxiliary device for filter bed construction, characterized in that: The system includes a set of auxiliary support frames (1) that are hinged to each other. One side of the auxiliary support frame (1) is provided with a positioning inner frame (2). The other side of the auxiliary support frame (1) is provided with a circular hole (3). A rotating shaft (4) is provided in the circular hole (3). Symmetrical connecting rods (5) are provided on the circumference of the rotating shaft (4). One end of the connecting rod (5) has a hinge (6). A connecting bolt (7) is provided on the hinge (6). The hinge (6) is connected to the positioning inner frame (2) via the connecting bolt (7). The bottom of the auxiliary support frame (1) is provided with a soil anchoring component (20).
2. The construction safety auxiliary device for filter bed construction according to claim 1, characterized in that: The positioning inner frame (2) includes a set of crossbars (8) set in the auxiliary support frame (1) on one side. The hinge (6) is detachably connected to the crossbars (8), and a reinforcing bar (9) is provided between the crossbars (8).
3. The construction safety auxiliary device for filter bed construction according to claim 1, characterized in that: The auxiliary support frame (1) includes a main frame (10), and a connecting side support (11) is provided on one side of the main frame (10). The connecting side support (11) is connected to an extension frame (12) via a fixing member. The soil anchoring member (20) is set at the bottom of the main frame (10).
4. The construction safety auxiliary device for filter bed construction according to claim 3, characterized in that: The extension frame (12) is provided with diagonal tie rods (13) arranged in an interlaced manner.
5. The construction safety auxiliary device for filter bed construction according to claim 2, characterized in that: A longitudinal rod (14) is provided between the connecting rods (5), and a plurality of first connecting seats (15) are provided inside the longitudinal rod (14). A plurality of second connecting seats (16) are provided on the circumferential surface of the reinforcing rod (9), and an auxiliary support rod (17) is provided between the first connecting seats (15) and the second connecting seats (16).
6. The construction safety auxiliary device for filter bed construction according to claim 1, characterized in that: The auxiliary support on one side is provided with a fixing hook (18) on the inner side, and the auxiliary support frame (1) on the other side is provided with a fixing ring (19) that matches the fixing hook (18) on the inner side.
7. The construction safety auxiliary device for filter bed construction according to claim 3, characterized in that: The soil-binding component (20) includes a fixed cylinder (21) set on the bottom rod of the main frame (10). A soil-binding rod (22) is threadedly connected inside the fixed cylinder (21). The upper end of the soil-binding rod (22) has a square head (23) connected to a rotating tool, and the lower end of the soil-binding rod (22) has a cone head (24) that is driven into the soil.
Citation Information
Patent Citations
Foundation pit protection structure for building
CN115233690A