Concrete cover plate waterproof system with drainage grooves and double water stopping functions
By installing a double waterproof structure and drainage system on the concrete cover, the problems of rainwater infiltration and water accumulation are solved, achieving better waterproofing and safety.
Patent Information
- Application Number
- CN202422979371.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-04
AI Technical Summary
In the existing technology, rainwater can easily seep into the gap between the concrete cover plate and the archway, resulting in poor waterproofing. Furthermore, residual rainwater tends to accumulate at the archway, affecting the slipperiness inside the opening and the safety of the equipment.
It adopts a double water-stopping structure, including embedded first and second water-stopping grooves and expansion water-stopping strips, combined with drainage grooves and drainage pipes to form a sealing and drainage system to prevent rainwater from seeping in and drain accumulated water.
It improves the waterproofing effect of the concrete cover plate, prevents water seepage and accumulation in the gaps, and enhances the aesthetics and safety of the dam crest.
Smart Images

Figure CN223468718U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water conservancy and hydropower engineering concrete cover plate waterproof technical field, concretely is a kind of concrete cover plate waterproof system with drainage channel and double water stop. BACKGROUND
[0002] In water conservancy and hydropower engineering, the relatively common large-volume hydraulic structures include concrete gravity dam and ship lock etc., in order to meet the needs of operation and maintenance, the hole is often set up on dam top or lock top, these holes are mostly passageway to the inside of building, since the use frequency of these holes is lower, concrete cover plate is usually set on the top of hole, but rainwater is easy to seep along the gap between cover plate and notch, cause wet and slippery in hole, meanwhile, there are mechanical and electrical equipment in the bottom of part hole, rainwater seepage is easy to cause damage to mechanical and electrical equipment, common waterproof measures mostly set a canopy or simple house on top, affect the beauty of dam top or lock top, also cause inconvenience to the traffic of dam top or lock top.
[0003] In the process of realizing the utility model, it is found that the prior art has the following problems: 1. The common waterproof method for dam top or lock top is relatively single, and rainwater is easy to seep from the gap between the cover plate and the notch, thereby affecting the waterproof effect of the concrete cover plate; 2. When the concrete cover plate is used, the residual rainwater also accumulates at the notch, causing the inside of the hole to be wet and slippery, and also affecting the waterproof effect of the concrete cover plate. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a concrete cover plate waterproof system with drainage channel and double water stop to solve the problem that the common waterproof method is relatively single, rainwater is easy to seep from the gap between the cover plate and the notch, and the residual rainwater is easy to accumulate at the notch, causing the inside of the hole to be wet and also affecting the waterproof effect of the concrete cover plate. To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a concrete cover plate waterproof system with drainage channel and double water stop, comprising a concrete cover plate, a dam top is arranged below the concrete cover plate, a concrete notch is inlaid in the top of the dam top, a drainage channel is arranged in the inside of the concrete notch, a water intercepting ditch is arranged at the bottom of the drainage channel, a drainage pipe is arranged in the inside of the water intercepting ditch, a concrete water retaining block is arranged on one side of the drainage channel, a first water stop groove is inlaid in the top of the concrete water retaining block, an expansion water stop strip is arranged in the inside of the first water stop groove, and a second water stop groove is inlaid in the inner wall of the concrete notch.
[0005] Further preferably, annular rectangular protrusions are arranged around the bottom of the concrete cover plate, and steel plates are installed on the bottom and around the concrete cover plate.
[0006] Further preferably, the rectangular protrusion and the drainage groove form a plug-in connection structure, and the top of the concrete cover plate is at the same height as the top of the dam top.
[0007] Further preferably, the first water stop groove and the expansion water stop strip are both annular structures, and the expansion water stop strip forms a close connection structure with the bottom of the concrete cover plate by being arranged inside the first water stop groove.
[0008] Further preferably, the second water stop groove is internally provided with an expansion water stop strip, and the expansion water stop strip forms a close connection structure with the outside of the concrete cover plate by being arranged inside the second water stop groove.
[0009] Further preferably, the two diagonal ends of the water intercepting ditch are provided with drainage pipes, and the two drainage pipes are in communication with each other.
[0010] Further preferably, the two drainage pipes are annular pipe structures, and the bottom end of the drainage pipe is connected with a discharge pipe.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] In the utility model, two groups of expansion water stop strips are arranged inside the two groups of water stop grooves to form a double waterproof structure, the water stop groove is filled by the expansion water stop strips when the expansion water stop strips swell, and rainwater is prevented from seeping into the inside through the gap between the cover plate and the gap, thereby improving the waterproof effect of the concrete cover plate.
[0013] In the utility model, the drainage groove, the water retaining block and the water intercepting ditch are arranged at the concrete gap to drain the water into the inside, the water is collected by the two diagonal ends of the drainage pipe and is discharged to the drainage system of the building or the outer facade structure, residual rainwater is prevented from accumulating at the gap to cause the inside of the hole to be wet and slippery, and the waterproof effect of the concrete cover plate is improved. DRAWINGS
[0014] Figure 1 It is a front view structural schematic diagram of the utility model;
[0015] Figure 2 It is a front view structural schematic diagram of the utility model;
[0016] Figure 3 It is a dam top plan view structural schematic diagram of the utility model;
[0017] Figure 4 It is a drainage pipe front view structural schematic diagram of the utility model.
[0018] In the figure: 1, concrete cover plate; 101, rectangular protrusion; 102, steel plate; 2, dam top; 3, concrete notch; 4, drainage groove; 5, intercepting ditch; 6, drainage pipe; 7, concrete water retaining block; 8, first water stop groove; 9, expansion water stop strip; 10, second water stop groove. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary technical personnel in the field without creative labor fall within the protection scope of the utility model.
[0020] Please refer to Figures 1 to 4 The utility model provides a kind of technical scheme: a kind of concrete cover plate waterproof system with drainage groove and double water stop, including concrete cover plate 1, the bottom of concrete cover plate 1 is provided with dam top 2, the top of dam top 2 is embedded with concrete notch 3, the inside of concrete notch 3 is provided with drainage groove 4, the bottom of drainage groove 4 is provided with intercepting ditch 5, the inside of intercepting ditch 5 is provided with drainage pipe 6, one side of drainage groove 4 is provided with concrete water retaining block 7, the top of concrete water retaining block 7 is embedded with first water stop groove 8, the inside of first water stop groove 8 is provided with expansion water stop strip 9, the inner wall of concrete notch 3 is embedded with second water stop groove 10.
[0021] In the embodiment, as shown in Figure 1 And Figure 2 The bottom of concrete cover plate 1 is provided with annular rectangular protrusion 101, and the bottom and the periphery of concrete cover plate 1 are provided with steel plate 102; steel plate 102 is arranged outside concrete cover plate 1, which increases the stability of concrete cover plate 1, avoids extrusion deformation during long-term use, and facilitates the installation of concrete cover plate 1 and concrete notch 3.
[0022] In the embodiment, as shown in Figure 1 And Figure 2 Rectangular protrusion 101 and drainage groove 4 form a plug-in connection structure, and the top of concrete cover plate 1 has the same height as the top of dam top 2; annular rectangular protrusion 101 cooperates with drainage groove 4 to facilitate butt joint installation, and the same height of the top facilitates maintaining the appearance of dam top 2 and avoiding the influence of height difference on the traffic of dam top 2.
[0023] In the embodiment, as shown in Figure 2 And Figure 3As shown in the first water stop groove 8 and the expansion water stop strip 9 are annular structures, and the expansion water stop strip 9 is connected to the bottom of the concrete cover plate 1 through the inside of the first water stop groove 8; when the first water stop groove 8 cooperates with the expansion water stop strip 9 to encounter water vapor entering the inside, the expansion water stop strip 9 expands when encountering water, thereby extruding the gap between the concrete cover plate 1 and the concrete water retaining block 7, preventing water from entering the inside of the dam top 2 through the gap, and improving the sealing performance.
[0024] In the embodiment, as shown in the first water stop groove 8 and the expansion water stop strip 9 are annular structures, and the expansion water stop strip 9 is connected to the bottom of the concrete cover plate 1 through the inside of the first water stop groove 8; when the first water stop groove 8 cooperates with the expansion water stop strip 9 to encounter water vapor entering the inside, the expansion water stop strip 9 expands when encountering water, thereby extruding the gap between the concrete cover plate 1 and the concrete water retaining block 7, preventing water from entering the inside of the dam top 2 through the gap, and improving the sealing performance. Figure 1 and Figure 2 As shown in the second water stop groove 10, the inside of the second water stop groove 10 is provided with the expansion water stop strip 9, and the expansion water stop strip 9 is connected to the outside of the concrete cover plate 1 through the inside of the second water stop groove 10; the second water stop groove 10 and the expansion water stop strip 9 inside the second water stop groove 10 further block the rainwater entering from the gap, prevent the rainwater from entering the inside of the dam top 2, form a double sealing structure, and further improve the waterproof effect of the concrete cover plate 1.
[0025] In the embodiment, as shown in the first water stop groove 8 and the expansion water stop strip 9 are annular structures, and the expansion water stop strip 9 is connected to the bottom of the concrete cover plate 1 through the inside of the first water stop groove 8; when the first water stop groove 8 cooperates with the expansion water stop strip 9 to encounter water vapor entering the inside, the expansion water stop strip 9 expands when encountering water, thereby extruding the gap between the concrete cover plate 1 and the concrete water retaining block 7, preventing water from entering the inside of the dam top 2 through the gap, and improving the sealing performance. Figure 3 and Figure 4 As shown in the second water stop groove 10, the inside of the second water stop groove 10 is provided with the expansion water stop strip 9, and the expansion water stop strip 9 is connected to the outside of the concrete cover plate 1 through the inside of the second water stop groove 10; the second water stop groove 10 and the expansion water stop strip 9 inside the second water stop groove 10 further block the rainwater entering from the gap, prevent the rainwater from entering the inside of the dam top 2, form a double sealing structure, and further improve the waterproof effect of the concrete cover plate 1.
[0026] In the embodiment, as shown in the first water stop groove 8 and the expansion water stop strip 9 are annular structures, and the expansion water stop strip 9 is connected to the bottom of the concrete cover plate 1 through the inside of the first water stop groove 8; when the first water stop groove 8 cooperates with the expansion water stop strip 9 to encounter water vapor entering the inside, the expansion water stop strip 9 expands when encountering water, thereby extruding the gap between the concrete cover plate 1 and the concrete water retaining block 7, preventing water from entering the inside of the dam top 2 through the gap, and improving the sealing performance. Figure 2 and Figure 4 As shown in the second water stop groove 10, the inside of the second water stop groove 10 is provided with the expansion water stop strip 9, and the expansion water stop strip 9 is connected to the outside of the concrete cover plate 1 through the inside of the second water stop groove 10; the second water stop groove 10 and the expansion water stop strip 9 inside the second water stop groove 10 further block the rainwater entering from the gap, prevent the rainwater from entering the inside of the dam top 2, form a double sealing structure, and further improve the waterproof effect of the concrete cover plate 1.
[0027] The use method and advantages of the concrete cover plate waterproof system with a drainage groove and double water stops are as follows:
[0028] As shown in the second water stop groove 10, the inside of the second water stop groove 10 is provided with the expansion water stop strip 9, and the expansion water stop strip 9 is connected to the outside of the concrete cover plate 1 through the inside of the second water stop groove 10; the second water stop groove 10 and the expansion water stop strip 9 inside the second water stop groove 10 further block the rainwater entering from the gap, prevent the rainwater from entering the inside of the dam top 2, form a double sealing structure, and further improve the waterproof effect of the concrete cover plate 1. Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, first, the concrete cover plate 1 is connected with the concrete notch 3 on the dam top 2 in use; then the rectangular protrusion 101 at the bottom of the concrete cover plate 1 is connected with the drainage groove 4, so that the installation of the concrete cover plate 1 is completed; then when the rainwater enters the inside through the gap between the steel plate 102 outside the concrete cover plate 1 and the inner wall of the concrete notch 3 in use, the expansion waterstop 9 in the second waterstop groove 10 expands to block the gap when meeting water, at the same time, the rainwater is drained and collected by the water intercepting trench 5 in the bottom drainage groove 4, and is discharged into the drainage system through the drainage pipe 6; finally, when the water vapor enters the inside through the top of the concrete water retaining block 7, the expansion waterstop 9 in the first waterstop groove 8 further absorbs and expands the water vapor, so that a double waterproof structure is formed, and the waterproof operation is further performed.
[0029] The basic principle, main features and advantages of the utility model are shown and described above. The technical personnel in the industry should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.
Claims
1. A concrete cover plate waterproofing system with drainage groove and double water stop, comprising a concrete cover plate (1), characterized in that: The dam top (2) is provided below the concrete cover plate (1), the top of the dam top (2) is embedded with a concrete notch (3), the inside of the concrete notch (3) is provided with a drainage groove (4), the bottom of the drainage groove (4) is provided with a cutoff trench (5), the inside of the cutoff trench (5) is provided with a drainage pipe (6), one side of the drainage groove (4) is provided with a concrete water retaining block (7), the top of the concrete water retaining block (7) is embedded with a first water stop groove (8), the inside of the first water stop groove (8) is provided with an expansion water stop strip (9), the inner wall of the concrete notch (3) is embedded with a second water stop groove (10).
2. The concrete cover plate waterproofing system with drainage groove and double water stop according to claim 1, characterized in that: The bottom of the concrete cover plate (1) is provided with a ring-shaped rectangular protrusion (101), and the bottom and the periphery of the concrete cover plate (1) are provided with a steel plate (102).
3. The concrete cover plate waterproofing system with drainage groove and double water stop according to claim 2, characterized in that: The rectangular protrusion (101) and the drainage groove (4) form a plug-in connection structure, and the top of the concrete cover plate (1) has the same height as the top of the dam top (2).
4. The concrete cover plate waterproofing system with drainage groove and double water stop according to claim 1, characterized in that: The first water stop groove (8) and the expansion water stop strip (9) are both annular structures, and the expansion water stop strip (9) forms a close connection structure with the bottom of the concrete cover plate (1) by being arranged in the first water stop groove (8).
5. The concrete cover plate waterproofing system with drainage groove and double water stop according to claim 1, characterized in that: The inside of the second water stop groove (10) is provided with an expansion water stop strip (9), and the expansion water stop strip (9) forms a close connection structure with the outside of the concrete cover plate (1) by being arranged in the second water stop groove (10).
6. The concrete cover plate waterproofing system with drainage groove and double water stop according to claim 1, characterized in that: The cutoff trench (5) is provided with a drainage pipe (6) at two opposite corners, and the two drainage pipes (6) are communicated with each other.
7. The concrete cover plate waterproofing system with drainage groove and double water stop according to claim 6, characterized in that: The two drainage pipes (6) are annular pipe structures, and the bottom end of the drainage pipe (6) is connected with a discharge pipe.