CN213173581U - Air bag for air shield dam - Google Patents

Abstract

The utility model belongs to the technical field of manger plate equipment, a gasbag for gas shield dam is disclosed, including mandrel, reinforcement, cladding piece and fill the exhaust hole, the chamber is aerifyd to inside being provided with of mandrel, and reinforcement fixed connection is on the mandrel, and cladding piece parcel mandrel and reinforcement fill the exhaust hole and run through the cladding piece and with aerify the chamber and be linked together. The utility model discloses an inside mandrel and the reinforcement that is provided with of gasbag for gas shield dam separates the gas storage section and the anchor section of gasbag, and the mandrel part only bears the atmospheric pressure of pressure and the inside air on the water direction of height as the gas storage section, and the reinforcement only bears the horizontal force that rivers produced as the anchor section, punches on the reinforcement with dam foundation anchor bolt and anchor clamp plate compress tightly the gasbag and can be fixed in the assigned position with this gasbag. The core mould in the air bag has a certain bearing capacity, and the outer cladding piece further protects and strengthens the core mould, so that the safety factor of the air bag is improved, and the service life of the air bag is prolonged.

Description

Air bag for air shield dam

Technical Field

The utility model relates to a manger plate equipment technical field especially relates to an air shield is gasbag for dam.

Background

The air shield dam is a low-head water retaining building which is commonly used at present and mainly comprises a water retaining shield plate, an air bag, an air charging and discharging control system and the like. The air bag is a supporting device of the air shield dam, and the production quality and the installation quality of the air bag can influence the operation effect of the air shield dam. The common air bag is of a bag-shaped structure with three closed surfaces and one open surface, flat plate vulcanization is mostly adopted, and a core plate needs to be placed in the air bag during vulcanization. When the air bag is installed, holes need to be punched in the position of one side of the opening of the air bag, anchor bolts embedded in the dam foundation penetrate into the holes, and the anchor bolts are compressed and sealed by the anchor pressing plates. The air bag with the structure bears the air pressure of the charged air, bears the pulling force generated by the horizontal force of water flow on the punching position of the anchoring bolt, and ensures that one side of the opening of the air bag is sealed firmly under the pressure of the anchoring pressing plate. And secondly, the punching hole, the sealing side and the air accommodating side are formed by laminating the same adhesive tapes, and the framework cloth of the adhesive tapes can be broken during punching, so that the tensile strength of the airbag lamination is reduced, sealing is required to be performed at the punching position by using a sealing material, and the difficulty and time of sealing treatment are increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an gasbag is used to gas shield dam, the utility model discloses a gasbag is used to gas shield dam is totally closed integrated vulcanization shaping, and this gasbag separates gas storage section and anchor section, and the gas storage section only bears the atmospheric pressure of the ascending pressure of water direction of height and inside air, and the anchor section only bears the horizontal force that rivers produced, further improvement the factor of safety and the life of gasbag.

To achieve the purpose, the utility model adopts the following technical proposal:

an airbag for an air shield dam, comprising:

the core mould is internally provided with an inflation cavity;

a reinforcing member fixedly connected to the core mold,

the cladding piece wraps the core mold and the reinforcing piece; and

and the air charging and discharging hole penetrates through the coating piece and is communicated with the air charging cavity.

Further, the mandrel includes casing ply, interior rubber coating and the outer rubber coating that covers, the casing ply presss from both sides and locates interior rubber coating with between the outer rubber coating, interior rubber coating seals and forms aerify the chamber, it runs through to fill the exhaust hole casing ply, interior rubber coating and the outer rubber coating, and with aerify the chamber intercommunication.

Further, the cladding piece comprises a plurality of layers of cladding layers, and the plurality of layers of cladding layers are sequentially wrapped on the outer sides of the core mold and the reinforcing piece.

Furthermore, the coating is including a plurality of adhesive tapes, and is a plurality of parallel arrangement between the adhesive tape, it is a plurality of follow between the adhesive tape follow after the adhesive tape width direction overlap joint in proper order follow the adhesive tape length direction winding the mandrel with the reinforcement, every the adhesive tape is along length direction's both ends overlap joint formation coincidence portion, and is a plurality of the adhesive tape parcel the mandrel with the reinforcement forms the coating.

Furthermore, in two adjacent coating layers, the extending direction of the rubberized fabric is arranged in an angle.

Furthermore, the overlapping parts among different cladding layers are arranged in a staggered mode.

Further, the overlapping portions of the plurality of the coated fabrics in the same coating layer are arranged along the same straight line.

Further, the length of the overlapping part is 39mm-41 mm.

Furthermore, the inner rubber layer and the outer rubber layer are made of butyl rubber layers.

Furthermore, the framework layer is made of high-strength polyamide fabric.

The utility model has the advantages that: the utility model discloses an inside mandrel and the reinforcement that is provided with of gasbag for gas shield dam separates the gas storage section and the anchor section of gasbag, and the mandrel part only bears the atmospheric pressure of pressure and the inside air on the water direction of height as the gas storage section, and the reinforcement only bears the horizontal force that rivers produced as the anchor section, punches on the reinforcement with dam foundation anchor bolt and anchor clamp plate compress tightly the gasbag and can be fixed in the assigned position with this gasbag. The core mould in the air bag has a certain bearing capacity, and the outer cladding piece further protects and strengthens the core mould, so that the safety factor of the air bag is improved, and the service life of the air bag is prolonged.

The air bag is formed by full-closed integrated vulcanization, the process of sealing the punching position of the air bag with three closed surfaces and one open surface is reduced, the installation efficiency is improved, the core mold can directly replace a core plate to shape the inner cavity of the air bag when the air bag is produced, the process of taking out the core plate is reduced, the labor cost is reduced, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of an air bag for an air shield dam according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic structural view of a core mold according to an embodiment of the present invention;

fig. 4 is a sectional view taken along line B-B of fig. 3.

In the figure:

1. a core mold; 11. a framework layer; 12. coating an adhesive layer inside; 13. coating a glue layer outside;

2. a reinforcement;

3. a covering member; 31. a coating layer;

4. filling and exhausting holes;

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts throughout, or parts having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1-2, the utility model provides an air bag for an air shield dam, which comprises a core mold 1, a reinforcing member 2, a cladding member 3 and an air charging and discharging hole 4, wherein an air charging cavity is arranged inside the core mold 1; the reinforcing member 2 is fixedly connected to the core mold 1, the core mold 1 and the reinforcing member 2 are wrapped by the cladding member 3, and the air charging and discharging hole 4 penetrates through the cladding member 3 and is communicated with the air charging cavity.

This gasbag is totally closed integrated vulcanization shaping, and during the use, the mounting hole is seted up at the position that the gasbag was equipped with reinforcement 2 department, and the mounting hole runs through the outer cladding piece 3 of reinforcement 2, penetrates dam foundation anchor bolt in the mounting hole again, compresses tightly and is fixed in the assigned position this gasbag with the anchor clamp plate, aerifys or deflates mandrel 1 through filling exhaust hole 4. The working pressure of the air shield dam is generally 0.04-0.8MPa, the core die 1 in the embodiment is used as an air storage section and only bears the pressure in the height direction of water and the air pressure of internal air, the bearing pressure of the core die 1 can reach 0.04MPa, and the cladding piece 3 is protected and reinforced, so that the safety factor of the air bag is further improved, and the service life of the air bag is further prolonged. When the air bag is produced, the core mold 1 can directly replace a core plate to shape the inner cavity of the air bag, so that the process of taking out the core plate is reduced, the labor cost is reduced, and the production efficiency is improved. The reinforcing member 2 in this embodiment is used as an anchor segment to receive only the horizontal force generated by the water flow, and the thickness of the reinforcing member 2 can be increased according to the thickness of the core mold 1, thereby improving the anchoring strength of the airbag.

Specifically, the core mold 1 comprises a framework layer 11, an inner adhesive layer 12 and an outer adhesive layer 13, the framework layer 11 is clamped between the inner adhesive layer 12 and the outer adhesive layer 13, the inner adhesive layer 12 is sealed to form an inflation cavity, and the inflation and exhaust holes 4 penetrate through the framework layer 11, the inner adhesive layer 12 and the outer adhesive layer 13 and are communicated with the inflation cavity. In this embodiment, the core mold 1 is formed by vulcanizing and lapping a multi-layer structure, the strength of the framework layer 11 is determined according to the water blocking height, the inner adhesive layer 12 and the outer adhesive layer 13 ensure the air tightness of the core mold 1, and the pressure test pressure of the core mold 1 is 0.04 MPa.

More specifically, the covering member 3 includes a multi-layered covering layer 31, and the multi-layered covering layer 31 is sequentially wrapped around the core mold 1 and the reinforcing member 2. The strength and the number of the clad 31 are determined according to the water blocking height, and in the present embodiment, the number of the clad 31 is not less than 4 for protecting the core mold 1 and improving the bearing strength of the core mold 1.

More specifically, coating 31 is including a plurality of adhesive tapes, parallel arrangement between a plurality of adhesive tapes, along adhesive tape length direction winding mandrel 1 and reinforcement 2 after the adhesive tape width direction overlap joint in proper order between a plurality of adhesive tapes, and the overlap joint forms coincidence portion along length direction's both ends for each adhesive tape, and a plurality of adhesive tapes parcel mandrel 1 and reinforcement 2 form coating 31. The rubberized fabric in this embodiment is rubberized high strength cord, and the intensity of cord is confirmed according to the height of blocking water, and the overlap joint sets up in proper order along the width direction between a plurality of cords, along the overlap joint of length direction's both ends formation coincidence portion to make cord can wrap up mandrel 1 and reinforcement 2 completely and form cladding 31.

More specifically, in two adjacent coating 31, the extending direction of adhesive tape is the angle setting, and in this embodiment, the extending direction contained angle of adhesive tape in two adjacent coating 31 sets up 45 to 50, further strengthens the wrappage nature of coating 31.

More specifically, the overlapping portions of the different coating layers 31 are disposed in a staggered manner so that the thickness of the cured coating layer 31 is uniform throughout, thereby preventing the coating layer 31 from being locally broken when the core mold 1 is inflated due to the non-uniform thickness of the coating layer 31.

More specifically, the overlapping portions of the plurality of coated fabrics in the same coating layer 31 are arranged along the same straight line.

More specifically, the length of the overlapped part is 39mm-41mm, and the length size of the overlapped part is controlled to be 40mm in the embodiment, so that the overlapping strength of the overlapped part is ensured.

More specifically, the inner adhesive layer 12 and the outer adhesive layer 13 are made of butyl rubber layer.

More specifically, the material of the skeleton layer 11 is high-strength polyamide fabric.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides an air shield is gasbag for dam which characterized in that includes:

the core mould (1) is internally provided with an inflation cavity;

a reinforcing member (2) fixedly connected to the core mold (1),

a cladding (3), wherein the cladding (3) wraps the core mold (1) and the reinforcing member (2); and

and the air charging and discharging hole (4) penetrates through the coating piece (3) and is communicated with the air charging cavity.

2. The airbag for the air shield dam according to claim 1, wherein the core mold (1) comprises a framework layer (11), an inner adhesive layer (12) and an outer adhesive layer (13), the framework layer (11) is sandwiched between the inner adhesive layer (12) and the outer adhesive layer (13), the inner adhesive layer (12) is sealed to form the inflation cavity, and the inflation and exhaust holes (4) penetrate through the framework layer (11), the inner adhesive layer (12) and the outer adhesive layer (13) and are communicated with the inflation cavity.

3. The airbag for an air shield dam according to claim 2, wherein the coating member (3) comprises a plurality of coating layers (31), and the plurality of coating layers (31) are sequentially wrapped on the outer sides of the core mold (1) and the reinforcing member (2).

4. The airbag for the air shield dam according to claim 3, wherein the covering layer (31) comprises a plurality of adhesive tapes, the plurality of adhesive tapes are arranged in parallel, the plurality of adhesive tapes are sequentially overlapped along the width direction of the adhesive tapes and then wound around the core mold (1) and the reinforcing member (2) along the length direction of the adhesive tapes, two ends of each adhesive tape along the length direction are overlapped to form a superposition portion, and the plurality of adhesive tapes wrap the core mold (1) and the reinforcing member (2) to form the covering layer (31).

5. The airbag for air shield dam according to claim 4, wherein the extending direction of said rubberized fabric is disposed at an angle in two adjacent layers of said covering layers (31).

6. The airbag for air shield dam according to claim 4, wherein said overlapping portions between different said covering layers (31) are disposed in a staggered manner.

7. The balloon for an inflatable shield dam according to claim 4, wherein said overlapping portions of said rubberized fabric of a plurality of said coating layers (31) are aligned along a same line.

8. The airbag for an air shield dam according to claim 4, wherein the length of the overlapped portion is 39mm to 41 mm.

9. The airbag for an air shield dam as recited in claim 2, wherein the inner rubber layer (12) and the outer rubber layer (13) are made of butyl rubber layer.

10. The airbag for an air shield dam according to claim 2, wherein the material of the skeleton layer (11) is a high-strength polyamide fabric.

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