Edge protective fence for preventing operators from falling during concrete dam pouring
By designing detachable edge guardrails during the concrete dam pouring process, the safety hazards caused by the lack of edge guardrails were solved, achieving a protective effect that balances safety and convenience.
Patent Information
- Application Number
- CN202520176048.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-27
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-01-27
AI Technical Summary
The lack of edge guardrails during the concrete dam pouring process poses a high risk of workers falling from heights and presents a safety hazard.
Design a detachable edge protection barrier, including a mold shell, protective posts, C-shaped frame, connecting rods and protective crossbars, which are connected by bolt assemblies to form an edge protection structure, and can be quickly dismantled when needed to avoid affecting the construction period.
It effectively reduces the risk of falls for workers, has a simple structure, is easy to process and maintain, and does not affect the construction period, making it suitable for widespread promotion.
Smart Images

Figure CN223937726U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of safety protection technology, specifically to an edge protection railing used to prevent workers from falling during concrete dam pouring. Background Technology
[0002] During the concrete dam pouring process, as the pouring height increases, the safety risk of workers falling from height increases. To prevent workers from falling from height, it is necessary to install edge protection facilities on the dam. Therefore, it is necessary to design a device that can provide edge protection on the dam. Utility Model Content
[0003] The technical problem to be solved by this utility model is to provide an edge guardrail for preventing workers from falling during concrete dam pouring, so as to solve the problem that there is a certain safety hazard due to the lack of edge guardrails at the top of the dam during the current concrete dam pouring.
[0004] To solve the above problems, this utility model provides the following technical solution:
[0005] A protective railing for preventing workers from falling during concrete dam pouring operations; it includes a formwork shell: several positioning holes are respectively provided on the left and right ends of the formwork shell; two formwork shells at the same horizontal level are detachably connected to each other at the positioning holes by bolt assemblies; at least two functional blocks are provided on the back side of the formwork shell; mutually cooperating positioning clips and slots are respectively installed on the upper top and lower bottom of the functional blocks; two adjacent formwork shells are detachably connected to each other on the positioning clips and slots by bolt assemblies; and additionally, the functional blocks are equipped with... It has a C-shaped frame; the two protruding ends of the C-shaped frame are connected to the functional blocks; protective columns can be detachably installed at the positioning clips of the formwork located at the top of the dam body; the protective columns are arranged vertically; connecting plates are provided on the side walls of the protective columns and the top of the C-shaped frame; connecting rods are detachably installed between the connecting plates of the protective columns and the C-shaped frame; no fewer than two positioning plates are provided on the side walls of a single protective column; protective crossbars are also installed on the positioning plates; adjacent protective columns are connected by protective crossbars.
[0006] Preferably, a ladder is also provided on the mold shell; the ends of the two protective crossbars are both located above the ladder; a connecting frame is movably installed at the end of one of the protective crossbars, and the two protective crossbars are detachably connected to each other through the connecting frame.
[0007] Furthermore, the connecting frame includes a horizontal rotating rod that is cantilevered and hinged to the end of the protective crossbar; a connecting sleeve is fitted on the extended end of the horizontal rotating rod; the connecting sleeve can move along the axial direction of the horizontal rotating rod; the other end of the connecting sleeve can be inserted into another protective crossbar opposite to it and connected by a locating pin; and several vertical rods are also provided on the connecting sleeve.
[0008] Furthermore, the ladder is installed in the middle of the mold shell, located between two adjacent functional blocks.
[0009] Furthermore, several auxiliary blocks are installed on the back side of the C-shaped frame; a safety bar is detachably installed between two auxiliary blocks at the same height on a mold shell; the safety bar is positioned directly opposite the ladder.
[0010] Preferably, the protective column includes a support; a slot for engaging with a positioning clip is provided at the bottom of the support; the support is detachably mounted on the positioning clip by a bolt assembly; and a column body is provided at the top of the support.
[0011] Preferably, the connecting plate on the protective column is located in the middle; the connecting plate on the C-shaped frame is located on its top surface near the back bar.
[0012] Preferably, guide holes are provided on the positioning plates, and the axial distance between the guide holes of two adjacent positioning plates on the same protective column is not less than 40cm.
[0013] The beneficial effects of this utility model are:
[0014] This utility model designs a system by installing protective columns at the unused positioning clips on the formwork corresponding to the top of the dam body, and by installing reinforcing connecting rods between the protective columns and the C-shaped frame. Protective crossbars are then installed via the protective columns, thus forming edge protection at the top of the formwork. When operators need to use a ladder, a temporary entrance / exit can be set up at the protective crossbars via a connecting frame. Once the dam body at this height has reached the required strength, the protective columns and crossbars can be quickly removed for reuse, without delaying the construction period and effectively reducing costs. Its simple structure facilitates processing and production, as well as maintenance, making it suitable for widespread application in the industry. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural schematic diagram of the present invention in an embodiment;
[0016] Figure 2 This is a three-dimensional structural diagram of the mold shell portion in this embodiment;
[0017] Figure 3 This is a three-dimensional structural diagram of the protective column, protective crossbar, and connecting frame in this embodiment;
[0018] Explanation of reference numerals in the attached drawings: 1. Mold shell; 2. Functional block; 3. Positioning clip; 4. C-shaped frame; 5. Protective column; 6. Connecting plate; 7. Connecting rod; 8. Positioning plate; 9. Protective crossbar; 10. Ladder; 11. Auxiliary clip; 12. Safety bar; 13. Connecting frame; 51. Support; 52. Column; 131. Horizontal rotating rod; 132. Connecting sleeve; 133. Vertical rod. Detailed Implementation
[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments: Example
[0020] Reference Figure 1 This embodiment provides an edge protection railing for preventing workers from falling during concrete dam pouring. It includes a formwork 1 with several positioning holes on its left and right ends. Two formworks 1 at the same horizontal level are detachably connected at these positioning holes via bolt assemblies. At least two functional blocks 2 are provided on the back side of the formwork 1. Positioning clips 3 and slots that cooperate with each other are installed on the top and bottom of each functional block 2. Two adjacent formworks 1 are detachably connected at the positioning clips 3 and slots via bolt assemblies. A series of other components are also installed on the functional blocks 2. C-shaped frame 4; the two protruding ends of C-shaped frame 4 are connected to functional block 2; protective columns 5 are detachably installed at the positioning head 3 of the formwork 1 located at the top of the dam body; the protective columns 5 are arranged vertically; connecting plates 6 are provided on the side wall of the protective column 5 and the top of the C-shaped frame 4; connecting rods 7 are detachably installed between the connecting plates 6 of the protective column 5 and the C-shaped frame 4; no less than two positioning plates 8 are provided on the side wall of a single protective column 5; protective crossbars 9 are also installed on the positioning plates 8; adjacent protective columns 5 are connected by protective crossbars 9.
[0021] A ladder 10 is also provided on the mold shell 1; the ends of the two protective crossbars 9 are both located above the ladder 10; a connecting frame 13 is movably installed at the end of one of the protective crossbars 9, and the two protective crossbars 9 are detachably connected to each other through the connecting frame 13.
[0022] The connecting frame 13 includes a horizontal rotating rod 131 that is hinged to the end of the protective crossbar 9 in a cantilever shape; a connecting sleeve 132 is fitted on the extended end of the horizontal rotating rod 131; the connecting sleeve 132 can move along the axial direction of the horizontal rotating rod 131; the other end of the connecting sleeve 132 can be inserted into another protective crossbar 9 opposite to it and connected by a positioning pin; a number of vertical rods 133 are also provided on the connecting sleeve 132.
[0023] The ladder 10 is installed in the middle of the mold shell 1, between two adjacent functional blocks 2.
[0024] Several auxiliary blocks 11 are installed on the back side of the C-shaped frame 4; a safety bar 12 is detachably installed between two auxiliary blocks 11 at the same height on a mold shell 1; the safety bar 12 is positioned directly opposite the ladder 10.
[0025] The protective column 5 includes a support 51; a slot for engaging with a positioning clip is provided at the bottom of the support; the support 51 is detachably mounted on the positioning clip 3 via a bolt assembly; and a column body 52 is provided at the top of the support 51. In this embodiment, the bottom surface of the support is simultaneously attached to the top surface of the molded shell machine functional block.
[0026] The connecting plate 6 on the protective column 5 is located in the middle; the connecting plate 6 on the C-shaped frame 4 is located on its top surface near the back bar.
[0027] Guide holes are provided on the positioning plates, and the axial distance between the guide holes of two adjacent positioning plates 8 on the same protective column 5 is not less than 40cm. In this embodiment, the axial distance between the guide holes on the positioning plates is 40cm.
[0028] When using the utility model device in this embodiment, it is only necessary to follow the steel mold installation and layout process, connect the upper and lower steel molds through positioning clips and slots, connect the left and right steel molds through positioning holes on the left and right sides of the steel mold, and set up protective columns at the empty positioning clips on the mold shell corresponding to the top position of the dam body. A connecting rod for reinforcement is set between the protective column and the C-shaped frame, and then a protective crossbar is installed through the protective column, thereby forming edge protection at the top of the mold shell. When the operator needs to use the ladder, a temporary entrance and exit can be set up at the protective crossbar through the connecting frame. After the dam body at this height is formed and meets the strength requirements, the protective columns and protective crossbars can be quickly removed for reuse without delaying the construction period and effectively reducing cost consumption.
Claims
1. A protective railing for preventing workers from falling during concrete dam pouring, comprising a formwork shell (1): characterized in that: Several positioning holes are provided on the left and right sides of the mold shell (1); two mold shells (1) at the same horizontal level are detachably connected to each other at the positioning holes by bolt assembly; at least two functional blocks (2) are provided on the back side of the mold shell (1); positioning clips (3) and slots that cooperate with each other are installed on the upper top and lower bottom of the functional blocks (2); two adjacent mold shells (1) are detachably connected to each other at the positioning clips (3) and slots by bolt assembly; a C-shaped frame (4) is also installed on the functional blocks (2); the two protruding ends of the C-shaped frame (4) are connected to the functional blocks (2). Protective columns (5) are detachably installed at the positioning clips (3) of the formwork (1) at the top of the dam body; the protective columns (5) are arranged vertically; connecting plates (6) are provided on the side walls of the protective columns (5) and the top of the C-shaped frame (4); connecting rods (7) are detachably installed between the connecting plates (6) of the protective columns (5) and the C-shaped frame (4); at least two positioning plates (8) are also provided on the side walls of a single protective column (5); protective crossbars (9) are also installed on the positioning plates (8); adjacent protective columns (5) are connected by protective crossbars (9).
2. The edge protection railing for preventing workers from falling during concrete dam pouring as described in claim 1, characterized in that: A ladder (10) is also provided on the mold shell (1); the ends of the two protective crossbars (9) are located above the ladder (10); a connecting frame (13) is movably installed at the end of one of the protective crossbars (9), and the two protective crossbars (9) are detachably connected to each other through the connecting frame (13).
3. The edge protection railing for preventing workers from falling during concrete dam pouring as described in claim 2, characterized in that: The connecting frame (13) includes a horizontal rotating rod (131) hinged to the end of the protective crossbar (9) in a cantilever shape; a connecting sleeve (132) is fitted on the extended end of the horizontal rotating rod (131); the connecting sleeve (132) can move along the axial direction of the horizontal rotating rod (131); the other end of the connecting sleeve (132) can be inserted into another protective crossbar (9) opposite to it and connected by a positioning pin; a number of vertical rods (133) are also provided on the connecting sleeve (132).
4. The edge protection railing for preventing workers from falling during concrete dam pouring as described in claim 2, characterized in that: The ladder (10) is installed in the middle of the mold shell (1) at the position between two adjacent functional blocks (2).
5. A protective railing for preventing workers from falling during concrete dam pouring, as described in claim 4, characterized in that: Several auxiliary blocks (11) are installed on the back side of the C-shaped frame (4); a safety bar (12) is detachably installed between two auxiliary blocks (11) at the same height on a mold shell (1); the safety bar (12) is set directly opposite the ladder (10).
6. The edge protection railing for preventing workers from falling during concrete dam pouring as described in claim 1, characterized in that: The protective column (5) includes a support (51); a slot for cooperating with the positioning head is provided at the bottom of the support; the support (51) is detachably installed on the positioning head (3) by means of a bolt assembly; and a column (52) is provided at the top of the support (51).
7. The edge protection railing for preventing workers from falling during concrete dam pouring as described in claim 1, characterized in that: The connecting plate (6) on the protective column (5) is located in the middle position; the connecting plate (6) on the C-shaped frame (4) is located on its top surface near the back bar.
8. The edge protection railing for preventing workers from falling during concrete dam pouring as described in claim 1, characterized in that: Guide holes are made on the positioning plate, and the axial distance between the guide holes of two adjacent positioning plates (8) on the same protective column (5) is not less than 40cm.