Folding fan type interval stop seal of arc-shaped air shield dam
By designing a folding fan-type interlock seal, using fiber skeleton-reinforced EPDM film, the sealing and water stop problem caused by changes in the gap between the arc-shaped air shield dam shield dam shield plates is solved, and efficient interlocking and water stop effect is achieved.
Patent Information
- Application Number
- CN202420653130.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-04-01
AI Technical Summary
During operation, the arc-shaped air shield dam has poor results in flexible connection and sealing water stopping due to changes in the gaps between the shields, which has become a bottleneck problem.
A folding fan-type inter-stop seal is designed, using fiber-frame reinforced EPDM one-cloth two-coated glue, two-cloth three-coated glue products. Through the combination of folding fan surface, main anchor fixing section, nylon rod and inter-stop fixing section, flexible connection and sealing water stop between shields are realized.
It realizes effective sealing and water stop between arc-shaped air shield dam shield plates, with scientific design, simple structure, beautiful appearance, low cost, long life and strong weather resistance.
Smart Images

Figure CN222796312U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a fan-shaped inter-stop seal of an arc-shaped air shield dam, belongs to the technical field of sealing of water conservancy, hydropower and agricultural irrigation facilities, and relates to a fan-shaped inter-stop seal of an arc-shaped air shield dam, which is used for flexible connection and sealing and water stopping between two adjacent shield plates of the arc-shaped air shield dam. Background Art
[0002] Dams are important facilities of modern water conservancy, which have an important impact and benefit on the national economy and people's livelihood. In particular, the current movable dam type air shield dam has been favored by industry insiders. Among them, arc air shield dams are widely used at the waterway mouths of reservoirs or rivers to effectively block water and control water supply for agricultural irrigation and people's lives; the arc air shield dam realizes intelligent stepless regulation of pneumatic system air supply through the control system, driving the arc air shield dam to rise and fall to block water and maximize water supply; when raised, the arc air shield dam blocks water and controls water supply in the shape of an arc surface; when lowered to the foundation surface, it presents the designed maximum water supply.
[0003] However, due to the rise and fall of the arc-shaped air shield dam during operation, the gap between the two trapezoidal shield plates is different and constantly changes, and its flexible connection and sealing and water stopping have become bottleneck problems. Utility Model Content
[0004] In view of this, the utility model aims to propose a folding fan-shaped stop seal for an arc-shaped air shield dam, which has a reasonable and simple structure, is beautiful, easy to manufacture, low cost, simple to operate, has a good water-stopping effect, is highly weather-resistant, and has a long service life, thereby ensuring the advantages of the arc-shaped air shield dam.
[0005] The purpose of this utility model is achieved through the following technical solutions:
[0006] A fan-shaped stop seal for an arc-shaped air shield dam is a fiber skeleton reinforced EPDM one-cloth two-rubber or two-cloth three-rubber product.
[0007] A folding fan type stop seal 1 of an arc-shaped air shield dam is composed of a folding fan surface 2, a main anchor fixing section 3, a nylon rod 4, and a stop seal fixing section 5.
[0008] The folding fan type stop seal 1 is fixedly installed by the stop seal fixing bolts and the main anchor bolts on the two adjacent shield plate edges.
[0009] The fan-shaped stop seal 1 is divided into three forms as the arc-shaped air shield dam operates: that is, 1) when the arc-shaped air shield dam is in a completely collapsed form, the fan-shaped stop seal is in a closed form 11, and the fan angle is 0°; 2) when the arc-shaped air shield dam is in a rising process form, the fan-shaped stop seal is in an expanded form 12, 0°<fan angle<180°; 3) when the arc-shaped air shield dam is in a fully raised form, the fan-shaped stop seal is in a flattened form 13, and the fan angle is 180°.
[0010] The original shape of the folding fan type stop seal 1 product is the folding fan type stop seal unfolded shape 12, that is, 30°<fan angle<150°.
[0011] The dimensions of the folding fan type stop seal 1 in the flattened state 13 are: length = shield arc length L 弧 + The width of the pressure plate, the total width of the fan-shaped top = the width of the top of the arc-shaped air shield dam fan-shaped stop seal L 顶宽 +The width of the pressure plates on both sides, the width of the fan-shaped bottom is equal to the spacing between the main anchor bolts + 0.1m.
[0012] The utility model has the advantages of scientific design, simple and reasonable structure, beautiful appearance, easy manufacture, low cost, simple operation, good water-stopping effect, strong weather resistance and long service life, thus ensuring the advantages of the arc-shaped air shield dam.
[0013] The advantages and effects of the utility model are:
[0014] 1) The utility model has a folding fan-shaped spacer seal for an arc-shaped air shield dam, which is scientifically and ingeniously designed, simple in structure, beautiful in appearance, good in water-stopping and sealing effects, strong in weather resistance and long in service life.
[0015] 2) The product manufacturing process of the utility model is simple, the production efficiency is high, the raw materials are easily available, and the cost is low.
[0016] 3) The product of the utility model is simple to install, operate, maintain and transport, has strong practicality, saves engineering costs and has good installation engineering quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the stop seal of the utility model.
[0018] Figure 2 This is the undulation diagram of the arc-shaped air shield dam of the utility model.
[0019] Figure 3 It is a three-dimensional diagram of the practical folding fan-shaped spacer in closed state.
[0020] Figure 4 It is a three-dimensional diagram of the unfolded form of the practical folding fan-shaped spacer seal.
[0021] Figure 5 It is a three-dimensional diagram of the practical folding fan-shaped stop seal in a flattened state.
[0022] Figure numerals: 1- folding fan type stop seal, 11- closed form, 12- unfolded form, 13- flattened form, 2- folding fan surface, 3- main anchor fixing section, 4- nylon rod, 5- stop seal fixing section. DETAILED DESCRIPTION
[0023] The following is combined with Figures 1 to 5 The utility model is further described in detail with examples.
[0024] Obviously, the described embodiments are only representative embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.
[0025] In the description of the present invention, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the attached Figures 1 to 5 The orientation or position relationship shown is only for the convenience of describing the utility model to simplify the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the utility model. In addition, the dimensions are all measured from the center line.
[0026] The folding fan type seal 1 is used for flexible connection and sealing between two adjacent shield plates of the arc-shaped air shield dam. It is a fiber skeleton reinforced EPDM one cloth two rubbers or two cloth three rubbers product.
[0027] The folding fan type stop seal 1 is composed of a folding fan surface 2, a main anchor fixing section 3, a nylon rod 4, and a stop seal fixing section 5.
[0028] The folding fan type stop seal 1 is fixedly installed by the stop seal fixing bolts and the main anchor bolts on the two adjacent shield plate edges.
[0029] The fan-shaped stop seal 1 is divided into three forms as the arc-shaped air shield dam operates: that is, 1) when the arc-shaped air shield dam is in a completely collapsed state, the fan-shaped stop seal is in a closed state 11, and the fan angle is 0°; 2) when the arc-shaped air shield dam is in a rising process state, the fan-shaped stop seal is in an expanded state 12, and 0°<fan angle<180°; 3) when the arc-shaped air shield dam is in a completely raised state, the fan-shaped stop seal is in a flattened state 13, and the fan angle is 180°.
[0030] The original shape of the folding fan type stop seal 1 product is the folding fan type stop seal unfolded shape 12, that is, 30°<fan angle<150°.
[0031] The dimensions of the folding fan type stop seal 1 when flattened 13 are: length = shield arc length L 弧 + The width of the pressure plate, the total width of the fan-shaped top = the width of the top of the arc-shaped air shield dam fan-shaped stop seal L 顶宽 +The width of the pressure plates on both sides, the width of the fan-shaped bottom is equal to the spacing between the main anchor bolts + 0.1m.
[0032] Example 1
[0033] See attached Figures 1 to 5And a specific implementation method, a skeleton-reinforced EPDM film preform of one cloth and two rubbers is laid in a mold with an unfolded shape 12 of a 30° sector angle;
[0034] Mold cavity length = shield arc length L 弧 1.2m + the width of the pressure plate 0.2m = 1.4m, the total width of the top = the width of the top of the folding fan-shaped stop seal L 顶宽 0.2+width of the two side pressure plates 0.16m=0.36m, fan-shaped bottom width=main anchor bolt spacing 0.2m+0.1m=0.3m.
[0035] The main anchoring section 3 of the preform is wrapped with a nylon rod 4 .
[0036] After the overall fan-shaped stop seal preform is completed, vulcanization is performed to obtain a fan-shaped stop seal 1 product.
[0037] Example 2
[0038] Referring to Example 1, the two-cloth-three-glue skeleton film preform is laid in a mold with an unfolded shape 12 and a fan angle of 150°; the length of the mold cavity = the arc length L of the shield plate 弧 2.9m + its pressure plate width 0.2m = 3.1m; the total width of the top = the width of the top of the folding fan-shaped stop seal L 顶宽 0.24m + width of the two side pressure plates 0.18m = 0.42m, fan-shaped bottom width = main anchor bolt spacing 0.25m + 0.1m = 0.35m.
[0039] Other than this, it is the same as Example 1.
[0040] Example 3
[0041] Referring to Example 1, the two-cloth-three-glue skeleton film preform is laid in a mold with an unfolded shape 12 of a 90° fan angle; the mold cavity length = shield arc length L 弧 4.1m + its pressure plate width 0.30m = 4.4m; the total width of the top = the top width of the folding fan-shaped stop seal L 顶宽 0.24m + width of the two side pressure plates 0.2m = 0.44m, fan-shaped bottom width = main anchor bolt spacing 0.25m + 0.1m = 0.35m.
[0042] Other than this, it is the same as Example 1.
[0043] The utility model forms a new economic growth point, serves as a reference for the design and manufacturing of sealing technology for water conservancy, hydropower and agricultural irrigation facilities, the application of materials and the progress of installation, and has important social and economic benefits.
[0044] The above embodiments are preferred representative implementations of the present invention, but the present invention is not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the essence and principles of the present invention are equivalent replacement schemes and should be included in the protection scope of the present invention.
Claims
1. A fan-shaped stop seal for an arc-shaped air shield dam, characterized in that: The folding fan type spacer seal (1) is used for flexible connection and sealing between two adjacent shield plates of the arc-shaped air shield dam; The fan-shaped stop seal (1) is a fiber skeleton reinforced EPDM one-cloth two-rubber or two-cloth three-rubber product; The folding fan type stop seal (1) is composed of a folding fan surface (2), a main anchor fixing section (3), a nylon rod (4), and a stop seal fixing section (5); The folding fan type stop seal (1) is fixedly installed by means of stop seal fixing bolts and main anchor bolts on two adjacent shield plate edges.
2. The folding fan type stop seal (1) according to claim 1, characterized in that: The operation of the arc-shaped air shield dam is divided into three forms: that is, 1) when the arc-shaped air shield dam is in a completely collapsed state, the fan-shaped stop seal is in a closed state (11), and the fan angle is 0°; 2) when the arc-shaped air shield dam is in a rising process state, the fan-shaped stop seal is in an expanded state (12), 0°<fan angle<180°; 3) when the arc-shaped air shield dam is in a completely raised state, the fan-shaped stop seal is in a flattened state (13), and the fan angle is 180°.
3. The folding fan type stop seal (1) according to claim 1, characterized in that: The original shape of the product is a folding fan-shaped stop-seal unfolded shape (12), that is, 30°<fan angle<150°.
4. The folding fan type stop seal (1) according to claim 1, characterized in that: The dimensions in the flattened form (13) are: Length = shield arc length L 弧 + The width of the pressure plate, the total width of the fan-shaped top = the width of the top of the arc-shaped air shield dam fan-shaped stop seal L 顶宽 +The width of the pressure plates on both sides, the width of the fan-shaped bottom is equal to the spacing between the main anchor bolts + 0.1m.