Scaffold anti-toppling device used in dam corridor
By designing a split-assembled scaffolding anti-tilt device, using electro-hydraulic jacks and support rods to form a stable stress-bearing structure, the problem of difficulty in setting up scaffolding and safety hazards in the dam corridor is solved, and a construction solution with high stability and safety is achieved.
Patent Information
- Application Number
- CN202421348830.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-13
AI Technical Summary
When using scaffolding in dam corridors, the existing technology has problems such as difficulty in setting up transverse pull rods, concrete damage and scaffolding shaking.
A split-assembled scaffolding anti-tilt device including an anti-slip base, an electro-hydraulic jack, a support rod and a transverse pull rod is designed. A stable stress-bearing structure is formed through the electro-hydraulic support arm and an anti-slip support arc plate to avoid drilling damage and achieve flexible movement through the moving mechanism.
The installation simplifies the installation process, reduces damage to concrete, improves the stability and safety of the scaffolding, and supports flexible movement and seat belt fixing, reducing construction risks.
Smart Images

Figure CN222759346U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of engineering equipment, and in particular relates to a scaffolding anti-dumping device used in a dam gallery. Background Art
[0002] Scaffolding is a temporary structure widely used in construction for manual work at height. Scaffolding is often used in the construction and maintenance of hydraulic structures. The dam corridor is located inside the dam body. The corridor inside the dam generally adopts a dome rectangular section with a height of 3~5m and a width of about 2.5~3 meters. Scaffolding is often required for maintenance on the top of the corridor.
[0003] The scaffolding currently used in dam corridor maintenance has the following deficiencies or hidden dangers:
[0004] (1) Scaffolding often needs to be fixed to the wall with transverse tie rods to prevent it from tipping over. However, the concrete of the dam body in the corridor is hard and difficult to drill holes. Therefore, it takes a long time to install transverse tie rods.
[0005] (2) The construction of transverse tie rods requires drilling holes in the corridor wall, which will damage the dam concrete and may pose a structural hazard to the dam.
[0006] (3) When workers in the corridor are working on top of the scaffolding, the scaffolding is prone to shaking, posing a safety hazard.
[0007] Therefore, in order to use the scaffolding in the dam gallery more safely and minimize the damage to the dam concrete, it is necessary to provide a scaffolding anti-dumping device for use in the dam gallery to improve the stability and safety of the scaffolding used in the dam gallery. Summary of the invention
[0008] In view of the above-mentioned problems in the prior art, the utility model provides a scaffolding anti-dumping device for use in a dam corridor, and its technical solution is: it includes an anti-skid base, the top of the anti-skid base is connected to the bottom of the electro-hydraulic jack, the top of the electro-hydraulic jack is connected to a support rod, the support rod is connected to a plurality of transverse tie rods through a support rod collar, and the transverse tie rods are connected to the scaffolding.
[0009] As a preferred solution, the top of the support rod is connected to the main arm of the triangular support hub, and the two side branch arms of the triangular support hub are connected to the electro-hydraulic support arms, and the electro-hydraulic support arms are hinged to the anti-slip support arc plate through bolts.
[0010] As a preferred solution, a hanging ring is provided on the electro-hydraulic support arm.
[0011] As a preferred solution, a moving mechanism is provided on the side wall of the anti-slip base.
[0012] As a preferred embodiment, a slide groove is provided on the side wall of the anti-slip base, four slide groove pin holes are provided in the slide groove, two sliding shafts are provided in the slide groove, the sliding shaft is rotatably connected to one end of the folding rod, and the other end of the folding rod is rotatably connected to the fixed shaft, a movable wheel is provided under the fixed shaft, and a slide shaft pin hole is provided on the sliding shaft.
[0013] Beneficial effects of the utility model:
[0014] (1) The device adopts a split assembly design, which is convenient for disassembly and transportation and assembly in narrow corridors;
[0015] (2) The device is easy and quick to install and will not cause drilling damage to the corridor concrete;
[0016] (3) After the device is installed inside the corridor, it can be moved through the moving mechanism on the non-slip base and can be moved flexibly along the corridor;
[0017] (4) The device is provided with a safety belt fixing point on the upper part of the pole body, which can be used by operators to hang safety belts to ensure the safety of operators. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0019] Figure 2 It is a schematic diagram of the overall structure of the utility model when it is in fixed use.
[0020] Figure 3 It is a schematic diagram of the connection between the support rod and the transverse pull rod in the utility model.
[0021] Figure 4 It is a structural schematic diagram of the anti-skid base in the utility model.
[0022] In the figure: 1. Anti-skid support arc plate; 2. Bolt; 3. Electro-hydraulic support arm; 4. Triangular support hub; 5. Hanging ring; 6. Support rod; 601. Support rod collar; 7. Electro-hydraulic jack; 8. Anti-skid base; 801. Slide groove; 802. Slide groove pin hole; 9. Horizontal pull rod; 10. Moving mechanism; 1001. Sliding shaft; 1002. Sliding shaft pin hole; 1003. Folding rod; 1004. Fixed shaft; 1005. Moving wheel. DETAILED DESCRIPTION
[0023] The utility model is further described in detail below based on the accompanying drawings and specific embodiments.
[0024] Example 1
[0025] like Figure 1-3As shown, a scaffolding anti-dumping device for use in a dam corridor includes an anti-skid base 8, the top of the anti-skid base 8 is connected to the bottom of an electro-hydraulic jack 7, the top of the electro-hydraulic jack 7 is connected to a support rod 6, the support rod 6 is connected to a plurality of transverse tie rods 9 through a support rod collar 601, and the transverse tie rods 9 are connected to the scaffolding.
[0026] The top of the support rod 6 is connected to the main arm of the triangular support hub 4, and the branch arms on both sides of the triangular support hub 4 are connected to the electro-hydraulic support arms 3. The electro-hydraulic support arms 3 are hinged to the anti-slip support arc plate 1 through bolts 2. The electro-hydraulic support arms 3 can extend the arm length and press the anti-slip support arc plate 1 against the corridor wall to form a stable structure under force on three sides.
[0027] like Figure 1-2 As shown, a hanging ring 5 is provided on the electro-hydraulic support arm 3, and the hanging ring 5 is used to hang a safety belt to prevent construction workers from falling from the scaffold.
[0028] A moving mechanism 10 is provided on the side wall of the anti-slip base 8 .
[0029] like Figure 4 As shown, a slide groove 801 is provided on the side wall of the anti-slip base 8, and four slide groove pin holes 802 are provided in the slide groove 801. Two slide shafts 1001 are provided in the slide groove 801. The slide shaft 1001 is rotatably connected to one end of a folding rod 1003, and the other end of the folding rod 1003 is rotatably connected to a fixed shaft 1004. A moving wheel 1005 is provided below the fixed shaft 1004. The slide shaft 1001 is provided with a slide shaft pin hole 1002. When the device needs to be moved, the pins are pulled out from the slide groove pin holes 802 on both sides of the slide groove 801 to move the device. The sliding shaft 1001 is moved to the middle of the sliding groove 801, the sliding shaft pin hole 1002 is aligned with the sliding groove pin hole 802 in the middle, and then the pin is inserted therein to extend the moving wheel 1005. At this time, the device can be moved. When the device needs to be fixed, the pin is pulled out from the sliding groove pin hole 802 in the middle of the sliding groove 801, and the sliding shaft 1001 is moved to both sides of the sliding groove 801, the sliding shaft pin hole 1002 is aligned with the sliding groove pin holes 802 on both sides, and then the pin is inserted therein to raise the moving wheel 1005. At this time, the device is fixed.
[0030] The above device is used in the following process: the device is moved to the designated position, and then the latch is pulled out from the slide slot latch hole 802 in the middle of the slide slot 801, the slide shaft 1001 is moved to both sides of the slide slot 801, the slide shaft latch hole 1002 is aligned with the slide slot latch holes 802 on both sides, and then the latch is inserted therein, so that the moving wheel 1005 is raised, and the device is fixed at this time, and then the electro-hydraulic support arm 3 and the electro-hydraulic jack 7 are started to push the anti-skid support arc plate 1 to contact with the gallery top arch to form a stable force-bearing structure, and the transverse tie rod 9 is connected to the support rod 6. The support rod ring 601 is fixed with bolts, and the other end is fixed to the scaffolding by bolts, so that the scaffolding will not shake laterally, increasing the anti-dumping ability of the scaffolding. The construction personnel connect the hook of the safety belt to the hanging ring 5 to prevent it from falling off the scaffolding. After the construction is completed, the pin is pulled out from the slide slot pin holes 802 on both sides of the slide slot 801, and the sliding shaft 1001 is moved to the middle of the slide slot 801, and the sliding shaft pin hole 1002 is aligned with the slide slot pin hole 802 in the middle, and then the pin is inserted therein to extend the moving wheel 1005, and the device can be moved at this time.
Claims
1. A scaffolding anti-dumping device for use in a dam gallery, comprising an anti-skid base (8), the top of the anti-skid base (8) being connected to the bottom of an electro-hydraulic jack (7), characterized in that: The top of the electro-hydraulic jack (7) is connected to the support rod (6), the support rod (6) is connected to a plurality of transverse tie rods (9) via a support rod collar (601), and the transverse tie rods (9) are connected to the scaffolding.
2. The scaffolding anti-dumping device for use in a dam gallery according to claim 1, characterized in that: The top of the support rod (6) is connected to the main arm of the triangular support hub (4), the branch arms on both sides of the triangular support hub (4) are connected to the electro-hydraulic support arms (3), and the electro-hydraulic support arms (3) are hinged to the anti-slip support arc plate (1) through bolts (2).
3. The scaffolding anti-dumping device for use in a dam gallery according to claim 2, characterized in that: A hanging ring (5) is provided on the electro-hydraulic support arm (3).
4. The scaffolding anti-dumping device for use in a dam gallery according to claim 1, characterized in that: A moving mechanism (10) is provided on the side wall of the anti-slip base (8).
5. The scaffolding anti-dumping device for use in a dam gallery according to claim 4, characterized in that: A slide groove (801) is provided on the side wall of the anti-slip base (8), four slide groove pin holes (802) are provided in the slide groove (801), two slide shafts (1001) are provided in the slide groove (801), the slide shaft (1001) is rotatably connected to one end of the folding rod (1003), the other end of the folding rod (1003) is rotatably connected to the fixed shaft (1004), a moving wheel (1005) is provided below the fixed shaft (1004), and the slide shaft (1001) is provided with a slide shaft pin hole (1002).