KR102284959B1 - Bridge Expansion Joint Drainage System - Google Patents

Abstract

The present invention relates to a bridge expansion joint drainage apparatus. An objective of the present invention is to provide an expansion joint drainage sheet which easily removes foreign substances accumulated on a drainage sheet. According to an embodiment of the present invention, the bridge expansion joint drainage apparatus comprises a drainage sheet arranged into a prescribed curved surface along expansion joints on a lower portion of a bridge, and supporting foreign substances entering between expansion joints. The bridge expansion joint drainage apparatus further comprises a foreign substance blocking device installed on a lower portion in the longitudinal direction of expansion joints, and separated and provided on the upper side of the inner surface of the drainage sheet. The foreign substance blocking device includes: a blocking sheet installed between expansion joints and the drainage sheet; a plurality of sheet mounting rings having a ring shape and allowing the blocking sheet to be coupled thereto; and two or more sheet mounting units installed on both inner ends of the drainage sheet along the longitudinal end of the blocking sheet to be inserted into the sheet mounting rings to allow the blocking sheet to be moved.

Description

Bridge Expansion Joint Drainage System

The present invention relates to a drainage system for an expansion joint for a bridge, and to a drainage sheet for an expansion joint that facilitates removal of foreign substances accumulated on the drainage sheet.

In more detail, in the bridge expansion joint drainage device of the present invention, in the drainage sheet provided under the expansion joint device of the bridge, a coupling member is mounted on one side of the drainage sheet using a zipper, an auxiliary locking clasp, etc., and the coupling member It can be installed in an open or closed type that opens or closes the drain seat using By releasing and opening one side of the drainage sheet, foreign substances accumulated on the drainage sheet can be easily removed, thereby preventing damage to the drainage sheet and damage to the finger steel plate of the expansion joint device due to the accumulation of foreign substances, thereby increasing durability, and also A foreign material blocking device is installed on the upper part of the drainage sheet, which is composed of a blocking sheet coupled in a curtain way using a hook to a wire crossing the lateral direction of the bridge. After moving the blocking sheet by pulling it from one side of the block, it is possible to remove the foreign substances accumulated on the blocking sheet and return it to its original position, thereby preventing foreign substances falling through the expansion joint device from flowing into the lower structure of the bridge and reducing the function such as corrosion of the bridge bearing. And safety accidents can be prevented, and in addition, the drainage sheet and blocking sheet are made of polyurethane, synthetic fiber, reinforcing fiber, etc., so strength and durability, oil resistance, weather resistance, and abrasion resistance can be improved while maintaining elasticity. It relates to a drainage system for a bridge expansion joint that provides excellent repair efficiency.

In general, in a long bridge or overpass having a plurality of piers, a plurality of bridge decks are installed consecutively in the longitudinal direction in order to cope with the contraction or expansion of the ground due to temperature changes, and each end and end of the bridge decks installed consecutively An expansion joint device may be installed between them.

Such an expansion joint device can improve the durability of the bridge and expansion joint device by draining rainwater or foreign substances to the side through the drainage sheet or preventing water leakage to the lower part of the bridge structure.

However, when the accumulation of foreign substances in the drainage sheet deepens, the pressure applied to the lower side of the drainage sheet increases and the interlocking steel finger plates of the expansion joint connected to the upper portion of the drainage sheet cause a step difference due to the weight of the foreign material. The bolt fixing the plate may be loosened or broken, and the finger plate may be dislodged to the road running surface, which may cause great harm to the vehicle and the driver.

In addition, if the drainage or waterproofing is not good, the drainage sheet is torn and foreign substances are accumulated under the bridge structure or falling objects occur, which increases the risk of safety accidents such as injury or damage to pedestrians or parked vehicles.

In addition, falling water or foreign substances may permeate the wall of the structure, deteriorating the surface of the structure, or generating white ash, which may reduce the lifespan of the structure, such as peeling of the concrete covering.

This weakens the maintainability of the facility, which increases the risk of safety accidents that may occur in the passage of the bridge and around the bridge, and also causes the problem of reducing the lifespan and durability of the bridge.

As a result, it is easy to remove foreign substances accumulated on the drainage sheet, so that the operator can easily and easily remove foreign substances. The development of the sheet is urgently needed.

In addition, the conventional drainage sheet is often made of rubber or soft material for elasticity, which is easily deteriorated by external environments such as sunlight and precipitation, resulting in a decrease in strength and durability, resulting in frequent repair and replacement work. It has the disadvantage of increasing the maintenance cost.

Accordingly, it is also necessary to develop a material that can improve overall durability, including strength, hardness, durability, corrosion resistance, abrasion resistance, etc. am.

Korean Patent Publication No. 10-2020-0134406

The present invention was created to solve the problems in the prior art, and in the drainage sheet provided under the expansion joint of the bridge, a zipper, auxiliary locking clasp, etc. are used on one side of the drainage sheet to form a coupling member. It can be installed and installed in an open/close type that opens or closes the drain seat using the coupling member, so the drain seat is installed in a closed state in normal times, and it can support and store foreign substances falling between the spans of the expansion joint of the bridge. When accumulated, by releasing the coupling member and opening one side of the drain sheet, foreign substances accumulated in the drain sheet can be easily removed, thereby increasing durability by preventing damage to the drain sheet and damage to the finger steel plate of the expansion joint. Also, on the upper part of the drainage sheet, a foreign material blocking device consisting of a blocking sheet coupled in a curtain method using a hook on a wire crossing the transverse direction of the bridge is installed, and the foreign material blocking device allows the liquid to pass through, but After blocking the fall and pulling the blocking sheet from one side of the bridge, it is possible to remove the foreign substances accumulated in the blocking sheet and return it to its original position. In addition, since it is made of polyurethane, synthetic fiber, and reinforcing fiber, strength and durability, oil resistance, weather resistance, and abrasion resistance can be improved while maintaining elasticity. The purpose is to provide a device.

The above objects and various advantages of the present invention will become more apparent from preferred embodiments of the present invention by those skilled in the art.

The present invention is to achieve the above object,

A bridge expansion joint drainage device according to an embodiment of the present invention is a bridge expansion joint drainage device including a drainage sheet arranged to extend along a predetermined curved surface along an expansion joint device under the bridge and supporting foreign substances flowing between the expansion joints, A foreign material blocking device installed at the lower portion along the longitudinal direction of the expansion joint device and spaced apart from the upper side of the inner surface of the drain sheet; A plurality of sheet loops to which the blocking sheet is coupled in the form of a ring; and at least two or more sheet support parts installed along the longitudinal side ends of the blocking sheet at both inner ends of the drainage sheet so that the blocking sheet can be moved by being inserted into the sheet support ring.

According to one embodiment, the drainage sheet, the support sheet; a support sheet formed longer than the support sheet; and a coupling member connecting the support sheet and the support sheet.

According to one embodiment, it further includes; a plurality of mounting safety covers respectively provided at predetermined positions on both inner ends of the drain sheet.

According to an embodiment, the seat holder includes a length adjusting means.

According to one embodiment, the blocking sheet further includes being installed parallel to the plurality of seat holders.

The details of other embodiments are included in the detailed description and drawings.

According to the bridge expansion joint drainage device of the present invention, the following effects can be obtained.

First, since one side of the drain sheet is combined with a zipper or a coupling member that combines a zipper and a lock clasp, it can be used in an open and closed manner, so it is easy to remove foreign substances accumulated in the drain sheet by opening the drain sheet and lock the coupling member with a simple procedure for drainage Because the sheet can be used, the procedure for removing foreign substances from the drain sheet is easy, simple, and safe.

Second, drainage sheets are provided under both ends of the expansion joint of the bridge, and a foreign material blocking device is provided along the entire longitudinal direction of the expansion joint to prevent foreign substances from falling on the ground and water over the entire length of the bridge, thereby preventing corrosion of the bridge bearing. Function deterioration and safety accidents can be greatly reduced.

Third, the foreign material blocking device can be folded or unfolded with a predetermined elastic material and is coupled to the wire installed along the longitudinal lower part of the expansion joint in a curtain type, so it can be removed by pulling the foreign material blocking device from one side of the bridge to remove the foreign material and return it to its original position It is easy to maintain and can be used continuously.

Fourth, a cover member for protecting the coupling member and the wire is installed on the inner surface of the drain sheet and the inner surface of the foreign material blocking device, respectively, to prevent damage that may be inflicted to the coupling member and wire when foreign substances fall, greatly improving durability can do it

Fifth, the drainage sheet and blocking sheet are made of polyurethane, synthetic fiber, reinforcing fiber, etc., and while maintaining elasticity, strength and durability, oil resistance, weather resistance, and abrasion resistance can be improved, providing excellent efficacy for use and maintenance. can

1 is a cross-sectional view and a perspective view showing a basic type of a bridge expansion joint drainage device according to an embodiment of the present invention.
2 is a cross-sectional view and a perspective view illustrating a first additional embodiment of a bridge expansion joint drainage device according to an embodiment of the present invention.
3 is a cross-sectional view showing a second additional embodiment of the bridge expansion joint drainage device according to an embodiment of the present invention.
4 is a perspective view of a second additional embodiment of a bridge expansion joint drainage device according to an embodiment of the present invention.
5 is a cross-sectional view from the bottom of the bridge in which the drainage sheet and the foreign material blocking device of the bridge expansion joint drainage device according to an embodiment of the present invention are configured in the bridge.

In order to fully understand the present invention, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

Prior to the description of the present invention, the following specific structural or functional descriptions are only exemplified for the purpose of describing embodiments according to the concept of the present invention, and embodiments according to the concept of the present invention may be modified and implemented in various forms. and the scope of the present invention should not be construed as being limited to the embodiments described in detail below.

In addition, since the embodiment according to the concept of the present invention may have various changes and may have various forms, specific embodiments are illustrated in the drawings and described in detail herein.

However, this is not intended to limit the embodiments according to the concept of the present invention to a specific disclosed form, and should be understood to include changes, equivalents, and substitutes included in the spirit and scope of the present invention.

This embodiment is provided to more completely explain the present invention to those of ordinary skill in the art. Accordingly, the shape of elements in the drawings may be exaggerated to emphasize a clearer description.

It should be noted that the same members in each drawing are sometimes shown with the same reference numerals. Detailed descriptions of well-known functions and configurations determined to unnecessarily obscure the gist of the present invention will be omitted.

1 is a cross-sectional view and a perspective view showing a basic type of a bridge expansion joint drainage device according to an embodiment of the present invention, and FIG. 2 shows a first additional embodiment of a bridge expansion joint drainage device according to an embodiment of the present invention. It is a cross-sectional view and a perspective view, and FIG. 3 is a cross-sectional view showing a second additional embodiment of a bridge expansion joint drainage device according to an embodiment of the present invention, and FIG. 4 is a bridge expansion joint drainage device according to an embodiment of the present invention. is a perspective view of a second additional embodiment of the present invention, and FIG. 5 is a cross-sectional view from the bottom of the bridge in which the drainage sheet and the foreign material blocking device of the bridge expansion joint drainage device according to an embodiment of the present invention are configured in the bridge.

The bridge expansion joint drainage device 10 according to a preferred embodiment of the present invention includes a drainage sheet 100 , a seat fixing member 200 , a coupling member 300 , and a cover member 400 .

The drainage sheet 100 is arranged to extend in a predetermined curved surface under the expansion joint device 1 of the bridge. As an example, it may be installed in a U-shape, and dripping water flowing into the gap between the expansion joints 1 and falling to the lower part of the bridge. and a function of supporting foreign substances, and allowing falling water to be drained to the ground through a side passage or a separately provided passage, and foreign substances may be stored and accumulated in the drainage sheet 100 .

The seat fixing member 200 may function to fix the drainage sheet 100, and the drainage sheet 100 is disposed in the lower part of the expansion joint device 1 at the bottom of the bridge, and the arrangement in which it hangs in a predetermined curved surface is fixed. It functions to couple both ends of the drainage sheet 100 to the lower part of the bridge or to the edges of both ends of the expansion joint device 1 to be maintained.

The sheet fixing member 200 may be a device for fixing the drainage sheet 100 firmly enough to withstand the weight of foreign substances and falling water accumulated in the drainage sheet 100 , and the sheet fixing member 200 may be used as a drainage sheet. As a method of coupling 100 to the bridge, there are various techniques, and a detailed description thereof will be omitted because known techniques can be utilized.

The drainage sheet 100 is preferably made of a material having durability enough not to be torn while retaining a significant load of foreign substances and falling water, and oil resistance to vehicle fuel spillage, and various temperatures such as summer, winter, dry season, and rainy season. Weather resistance against moisture may also be provided.

In addition, the drain sheet 100 is coupled and released through the coupling member 300 from one side and must be used in an open/closing manner.

According to a preferred embodiment of the bridge expansion joint drainage device 10 of the present invention, one side of the drainage sheet 100 may be opened and closed by the coupling member 300 .

To this end, the drain sheet 100 is composed of a support sheet 110 and a support sheet 120, and the drain sheet ( 100) can be opened and closed.

The support sheet 110 and the support sheet 120 may have different lengths, the support sheet 110 may be formed to have a relatively short length and the support sheet 120 may be formed to be relatively long. A portion to which the support sheet 120 is coupled is formed on one side of the drain sheet 100 , and the support sheet 120 includes a downwardly convex portion of the U-shape of the drain sheet 100 .

The coupling member 300 serves to connect the coupling surfaces of the support sheet 110 and the support sheet 120 , and the adjusting member of the coupling member 300 is provided to face the outer surface of the drain sheet 100 , preferably For example, it can be formed in the opposite direction of the bridge, that is, in the direction of the bridge, so that the support sheet 110 faces the bridge and the support sheet 120 can be coupled while being disposed to face the alternate direction.

At this time, the cover member 400 is provided on the inner surface of the drain sheet 100 to protect the coupling member 300 from the inside of the drain sheet 100 .

The cover member 400 is positioned at a coupling portion where the support sheet 110 is coupled to the support sheet 120 , and extends downward from the inner end of the support sheet 110 , and is formed within the coupling member 300 . It is provided with a predetermined length that can cover the side surface, so that the coupling member 300 can be protected from foreign substances falling into the space between the expansion joints (1).

The drain sheet 100 is made of a tough and strong material, but the coupling member 300 may be configured to include a relatively weak material compared to the drain sheet 100, or if the coupling member 300 is damaged, a failure occurs, etc. Since durability may be limited, when the foreign material falls in the direction of the coupling member 300 by the cover member 400 covering the coupling member 300, it collides with the cover member 400 and is guided in the lower direction to the coupling member 300. It can serve as a protective function by preventing damage to the

The cover member 400 is plate-shaped and may be made of various materials, and in one embodiment, it may be preferably provided with a rubber material so as to be light and durable, and to be easily installed and maintained.

A zipper 310 may be used as the coupling member 300 of the bridge expansion joint drainage device 10 as a basic type of the present invention.

The zipper 310 has a belt and teeth installed along the side edge of the support sheet 110 and the side edge of the support sheet 120 to which the support sheet 110 and the support sheet 120 are coupled, and the slide and the handle are the drain sheet 100 ) may be provided while facing the direction of the outer surface.

Usually, the zipper 310 is filled and the support sheet 110 and the support sheet 120 are combined to form a U-shaped drain sheet 100 while supporting and storing foreign substances and dripping water, Alternatively, when the zipper 310 is opened by pulling the handle in one direction to remove foreign substances as needed, the support sheet 120 is separated from the support sheet 110, and the accumulated foreign substances can be moved and loaded into a separately prepared collection device.

When the removal of the accumulated foreign substances is completed, the zipper 310 handle is pulled in the other direction to lock the zipper 310, thereby combining the support sheet 110 and the support sheet 120, and again having the shape of the drain sheet 100 and functioning. can be done

However, depending on the size of the bridge and the width between the expansion joints (1), the zipper 310 alone may not be sufficient to withstand the weight of foreign substances accumulated in the drainage sheet 100.

In order to supplement this, as a first additional embodiment of the present invention, the coupling member 300 may be configured to include a locking clasp 320 .

The locking clasp 320 is provided on the outer surface of the drainage sheet 100 at the coupling portion of the support sheet 110 and the support sheet 120, and crosses the top of one side of the zipper 310 to the support sheet 110 and the support sheet ( 120) may be formed in such a way that they are combined.

The locking clasp 320 may be configured to include a clasp ring 321 and a fixing buckle 322 .

The locking ring 321 is in the form of a hook bent in the form of a hook, and the fixing buckle 322 has one end in the form of a lever and the other end in the form of a closed ring that can be fitted to the locking ring 321, and is fixed. After lifting the lever of the buckle 322, insert the closed ring into the locking ring 321 and press the lever again to fix the force in the opposite direction supported by the locking ring 321, then the locking buckle 322 and the locking The ring 321 can maintain a strong fixed and coupled state.

The locking ring 321 and the fixing buckle 322 may function to combine the two sheets while being separately mounted on both sides of the drain seat 100 and the support sheet 110, preferably, the locking ring 321 is the support. A plurality of mounting along one side edge of the seat 120, the fixing buckle 322 is provided along the one side edge of the support sheet 110 can be mounted at a position corresponding to the engaging ring (321).

As a second additional embodiment of the present invention, the bridge expansion joint drainage device 10 is double-coupled with a zipper 310 and a lock clasp 320 so that the coupling force between the support sheet 110 and the support sheet 120 is increased and the drainage sheet While having the advantage of being able to withstand the weight of foreign substances accumulated in (100), the drain sheet ( 100) can be opened to facilitate cleaning of foreign substances, and when the cleaning is completed, the zipper 310 is locked and the fixing buckle 322 is inserted and coupled to the hook 321, and a strong coupling can be completed simply. It can be done conveniently and safely.

Meanwhile, as a second additional embodiment of the present invention, the foreign material blocking device 500 may be installed at the lower portion along the longitudinal direction of the expansion joint device 1 .

In this case, in the basic type and the first additional embodiment of the present invention, the drainage sheet 100 may be respectively installed at both ends of the lower portion of the expansion joint 1 of the bridge. It can be implemented for the purpose of supplementing the problem that blocking measures are not taken for foreign substances.

The foreign material blocking device 500 may be installed in combination with the drain seat 100 in a state where the zipper 310 or the lock clasp 320 is not provided on the drain seat 100, or the zipper on the drain seat 100 It can be installed in combination with at least one of the 310 and the locking clasp 320 being provided, and only the foreign material blocking device 500 is installed alone in the state where the drain sheet 100 is not installed, so that the expansion joint device (1) It may be installed to block foreign substances falling into the oil.

The installation type of the above-described foreign material blocking device 500 may be appropriately selected according to various factors such as the shape, size, location, and surrounding environment of the bridge.

The foreign material blocking device 500 is provided to be spaced apart from the upper side of the inner surface of the drain sheet 100 and is provided to cover the inner surface of the drain sheet 100 without contacting the drain sheet 100 to fall on the drain sheet 100 . It can function to filter out all the foreign substances that are used and the foreign substances falling to the lower part of the bridge where the drainage sheet 100 is not provided.

When the foreign material blocking device 500 is pulled from one side provided with the drain sheet 100, the foreign material blocking device 500 slides to one side of the lower part of the bridge in a state where the foreign material is accumulated, and then moves the foreign material to a separate collection space to move the accumulated foreign material After removing the foreign matter blocking device 500 can be used as a foreign object blocking function after moving to the original position by sliding the other side of the bridge lower again.

To this end, the foreign material blocking device 500 may be configured to include a blocking sheet 510 , a sheet holder 520 , and a sheet holding ring 530 .

The blocking sheet 510 is formed to extend in a predetermined curved surface and is a sheet member having a function of filtering out foreign substances falling to the drainage sheet 100 and the lower part of the bridge. It may be provided in a taut shape or a U-shaped tunnel shape along the direction.

The blocking sheet 510 is provided with a material that can be folded and unfolded with a predetermined elasticity so that when it is pulled from one side of the lower part of the bridge, it is folded and gathered to one side, and when it is pushed to the other side of the lower part of the bridge, it is spread over one side and the other side.

In addition, the blocking sheet 510 is preferably made of a durable material having sufficient strength to withstand the accumulated weight of foreign substances, and may be made of a material capable of passing through and filtering only foreign substances.

Accordingly, the blocking sheet 510 may be provided in the form of a mesh or cloth, synthetic fiber, etc., and may be made of a material that is tough and has high water permeability and can be folded and unfolded well.

At least two seat support units 520 may be installed at both inner ends of the drainage sheet 100 along both side ends in the longitudinal direction of the lower expansion joint device 1 .

The seat holder 520 may be provided in close contact with both inner ends of the drain sheet 100, or may be provided in a state spaced apart from both inner ends of the drain sheet 100 by a predetermined distance, on the other hand, It may be installed under the bridge to form a width that can cover the interval of the expansion joint device 1 in the absence of the seat 100 .

And the number of the seat holder 520 is at least two or more in consideration of the actual operating conditions such as the width and length of the expansion joint device 1, and the degree of sagging of the blocking sheet 510, weight, and sliding movement. can be installed.

Accordingly, in this description, as an embodiment of the present invention, a case in which two sheet holding units 520 are installed at positions spaced apart from each other by a predetermined distance from both inner ends of the drain sheet 100 will be described.

The sheet holder 520 may be a wire or a rod having a predetermined diameter, and may be formed of various materials, but is preferably made of a material having excellent strength and durability, and a wire may be used as an embodiment of the present invention.

Both ends of the seat holder 520 may be coupled to the lower part of the bridge, the lower part of the expansion joint device 1 , or the inner surface of the seat fixing member 200 .

As a preferred embodiment of the present invention, the seat holder 520 may be provided with a length adjustment means (not shown). When a wire is used as the seat holder 520 , the length adjustment means is a combination of a wire clip and a turnbuckle. can be composed of

That is, a wire clip is provided at both ends of the wire, and a turnbuckle is fixedly installed at a position opposite to the wire clip on the lower part of the bridge, the lower part of the expansion joint device, or the sheet fixing member 200, so that the wire clip can be coupled.

If the wire clip is rotated while the wire clip is coupled to the turnbuckle, the length of the wire in the section on which the blocking sheet 510 is mounted can be lengthened or shortened.

However, as time goes by, the tensile force of both ends of the wire is lowered and the wire may be slightly stretched. You will be able to stay tight.

Therefore, the seat holder 520 of the present invention may have a feature that can be adjusted in length through a length adjusting means.

As described above, the length of the seat holder 520 can be adjusted through a length adjustment means using a turnbuckle, a wire clip, and the like and can maintain a taut fixed state, but the coupling position and coupling method of both ends of the seat holder 520 are shown here. It is not limited, and various methods, parts, and materials can be used as long as the length of the seat holder 520 can be adjusted to maintain a taut and firm installation state.

A plurality of seat hooks 530 may be provided while being inserted into the seat holder 520 , and the sheet hooks 530 are in the form of a circular ring that wraps around the outer circumferential surface of the seat holder 520 and is fitted, and the seat holder The part 520 and the seat hook 530 may be similar to the shape of the curtain rod and the curtain ring.

Since the side end of the blocking sheet 510 is coupled to one side of the sheet through ring 530 in a state inserted into the sheet holder 520 and a plurality of sheet through ring 530 is provided along the sheet holder 520, the blocking sheet 510, both side ends may be connected to the seat support ring 530 at multiple points, and thus the blocking sheet 510 has a shape in which both side ends are suspended from the seat support part 520, and the center has a shape in which the center hangs downward. do.

At this time, a mounting safety cover 540 is mounted at a predetermined position at the inner end of the drainage sheet 100 to which the drainage sheet 100 and the lower part of the bridge or the lower part of the expansion joint device 1 are coupled, and extends downward to the seat holder 520 . And it may be provided so as to cover the seat hook (530).

Mounting safety cover 540 may have a shape similar to that of the cover member 400, including the seat holder 520, the seat hook 530, as well as the portion where the seat holder 520 is fixed to a bridge, etc. By being installed so as to be covered, it can function to protect the seat holder 520 and the seat holder 530 from foreign substances falling through the oil gap.

The mounting safety cover 540 is plate-shaped and may be made of various materials, and is preferably made of the same material as the drain sheet 100 or the blocking sheet 510, so that it is light and tough, and it can be provided for easy installation and maintenance. .

As an embodiment of the second additional embodiment of the present invention, the blocking sheet 510 may be configured in a taut state such that the central portion is parallel to the plurality of sheet supporting portions 520 without convexly sagging in the lower direction, and a second addition As another embodiment of the embodiment, the central portion may be convexly extended in the lower direction and may be configured in a U-shape as a whole.

When the blocking sheet 510 is installed taut, when the blocking sheet 510 is pulled to one side, it is smoothly pulled and has the advantage of being able to slide easily with a small force. Since the amount may be limited, it may be desirable to have a short period of debris removal.

On the other hand, when the blocking sheet 510 is installed while being convexly stretched, the amount of foreign substances that can be accumulated may increase. When a lot of force is required and foreign substances are overloaded, the blocking sheet 510 may be folded relatively less smoothly.

As an embodiment and another embodiment in the second additional embodiment of the present invention, the installation form of the blocking sheet 510 may be determined in consideration of the width of the expansion joint device 1 and the width of the bridge.

On the other hand, in an embodiment of the present invention, the drainage sheet and the blocking sheet may be made of various materials, and a single material such as rubber, synthetic resin, metal, plastic, etc. may be used as the material, or several materials including the single material The material of the species may be produced by physical or chemical bonding.

It is preferable that the drain sheet and the blocking sheet made of the above material have sufficient strength and durability, weather resistance, oil resistance, abrasion resistance, etc. while maintaining elasticity in consideration of the ease of installation, maintenance, and foreign matter removal work, etc., There is no restriction on the type as long as it meets the purpose of the material properties as described above.

However, when an elastic material such as rubber is used as a single material as in the conventional invention, the drainage sheet and the blocking sheet are easily deteriorated by external environments such as sunlight and precipitation, and the strength and durability are deteriorated. There may be disadvantages in that the maintenance cost increases.

Accordingly, as an embodiment of the present invention, the drainage sheet and the blocking sheet may be made of rubber, synthetic rubber, reinforcing fiber, or polyurethane-based materials with a reinforcing material added thereto, and thus may have strong and flexible properties.

First, in the case of a rubber material, a material with increased durability and strength may be used by inserting a reinforcing material inside the rubber to maintain elasticity. Materials strong in tensile force, such as metal, polyvinyl chloride (PVC), polyethylene (PE), engineering plastics, etc. may be installed.

As another example, a reinforcing fiber sheet may be built-in to synthetic rubber, and the reinforcing fiber sheet may be nylon, polyester, cotton, etc. In this case, the synthetic rubber has excellent ozone resistance, weather resistance, and abrasion resistance, and reinforcing fiber The sheet can provide the effect of maximizing the life of the sheet while maintaining excellent rigidity.

As the rubber used in the above example, a special rubber such as EPDM rubber (Ethylene Propylene Diene Monomer) obtained by hybrid polymerization of ethylene and propylene, vulcanized rubber, etc. can get

On the other hand, by forming a coating layer on the surface of the drainage sheet and blocking sheet, it is possible to reduce friction on the surface and prevent oxidation. Materials including paraffin wax, policosanol, sodium silicate, elastomer, urea resin, etc. can be used for the coating layer. .

As another example, a polyurethane-based synthetic composition may be used for the drainage sheet and the blocking sheet, and by adding glass fiber, lubricant, silane coupling agent, molybdenum disulfide, thermoplastic rubber, UV absorber, etc., elasticity is maintained and improved at the same time. The effect of increasing weather resistance, ozone resistance, strength, corrosion resistance, abrasion resistance, and durability can be obtained.

A preferred use example of the bridge expansion joint drainage device 10 according to a preferred embodiment of the present invention based on the above description is as follows.

First, as a basic type of the present invention, the drain sheet 100 may be equipped with a coupling member 300 composed of only a zipper 310 .

The drainage sheet 100 is located in the lower part of the expansion joint device 1 at both ends of the bridge and serves to receive foreign substances and falling water falling between the oil fields, and the drainage is processed while being guided through a separate passage, and the foreign substances are accumulated. will be saved as

Accordingly, after opening the zipper 310 to separate the support sheet 120 from the support sheet 110, transfer the accumulated foreign substances to a separately prepared foreign material collection unit, and after the support sheet 120 is completely empty, the side end of the support sheet 120 may correspond to the side end of the support sheet 110 , and then lock the zipper 310 to couple the support sheet 110 and the support sheet 120 .

Next, as a first additional embodiment of the present invention, a coupling member 300 to which a locking clasp 320 is added may be installed on the drain seat 100 .

Accordingly, the support sheet 110 and the drain sheet 100 of the first additional embodiment can be double-coupled by pressing the lever to fix it by hooking the fixing buckle 322 to the locking ring 321 after being coupled with the zipper 310. .

Therefore, the drain sheet 100 of the first additional embodiment achieves a more robust coupling state and the load to withstand accumulated foreign substances can be further increased, so that durability can be improved by applying to the drain sheet 100 formed with a wide width or a long length. can be used to obtain

When foreign substances are accumulated in the drainage sheet 100, first, the fixing buckle 322 is released from the locking ring 321 to release the coupling of the locking clasp 320, and the zipper 310 is opened to attach the support sheet 120 to the support sheet 110. ), and then foreign substances can be removed.

When the removal of foreign substances is completed, the zipper 310 band of each of the support sheet 110 and the support sheet 120 and the zipper 310 are placed against each other, and then the zipper 310 is locked to combine both sheets, and then the lock clasp 320 is coupled to the double bonding state. can form.

Finally, as a second additional embodiment of the present invention, the foreign material blocking device 500 is provided along the longitudinal direction of the expansion joint device 1 across the lower part of the bridge so that both side ends are located on the inner surface of the drainage sheet 100 . can be installed.

In normal times, a plurality of sheet loops 530 are dispersed along the sheet support 520 and the blocking sheets 510 with both side ends connected to one side of the sheet hooks 530 are located at the lower part of the expansion joint 1 in length. It is provided in an unfolded shape along the direction, and in this state, foreign substances falling into the oil are caught by the foreign material blocking device 500 and accumulated, and the falling water passes through the foreign material blocking device 500 and falls to the drain sheet 100 or the ground.

Now, if you want to remove the foreign substances accumulated in the blocking sheet 510, if you pull the adjacent sheet through ring 530 using a separate pulling member such as a hook from one side of the foreign material blocking device 500, the adjacent sheet through ring ( When the 530 moves close and the above process is repeated and the sheet through loop 530 is continuously pulled, the blocking sheet 510 may be gathered while being folded to one side of the foreign material blocking device 500 .

In this state, the foreign substances in the blocking sheet 510 may be removed by unscrewing the seat hook 530, or the foreign substances may be separated manually. There are no restrictions on

After the removal of foreign substances from the folded blocking sheet 510 is completed, the sheet through ring 530 can be pushed one by one in the other direction, and the more the sheet through the ring 530 is pushed in the other direction on the sheet holder 520, the blocking sheet ( 510) is also unfolded and arranged along the longitudinal direction of the lower part of the expansion joint device 1, so that it can function to block foreign substances.

At this time, the blocking sheet 510 may be installed tautly or loosely in a U-shape in consideration of the length and width of the expansion joint device 1, the size of the bridge, the period of removing foreign substances, and the like.

In the above description, the basic type, the first additional embodiment, and the second additional embodiment of the present invention are classified according to the classification for convenience of explaining various components and application examples of the present invention, meaning that the configuration must be based on the basic type it is not doing

That is, as a second additional embodiment, the foreign material blocking device 500 is provided and may be installed alone without the drain sheet 100, or may be installed together with the drain sheet 100 without the coupling member 300. , On the other hand, it may be installed together with the drainage sheet 100 in the form of including at least one of the zipper 310 or the lock clasp 320 .

Similarly, the drain sheet 100 may also be installed alone, including the coupling member 300 formed only with the lock clasp 320 .

The embodiments of the present invention described above are merely exemplary, and those of ordinary skill in the art to which the present invention pertains will appreciate that various modifications and equivalent other embodiments are possible therefrom.

Therefore, it will be well understood that the present invention is not limited to the form mentioned in the above detailed description. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

Moreover, it is to be understood that the present invention covers all modifications, equivalents and substitutions falling within the spirit and scope of the invention as defined by the appended claims.

1: Expansion joint device
10: Bridge expansion joint drainage device
100: drain sheet
110: support sheet
120: support sheet
200: sheet fixing member
300: coupling member
310: zipper
320: lock clasp
321: hook hook
322: fixing buckle
400: cover member
500: foreign material blocking device
510: blocking sheet
520: seat holder
530: sheet through ring
540: mounting safety cover

Claims (5)

In the bridge expansion joint drainage device including a drainage sheet that is coupled to the seat fixing member at the lower part of the bridge, is arranged to extend along a predetermined curved surface along the expansion joint device, and supports foreign substances flowing between the expansion joints,
Including; a foreign material blocking device installed at the lower portion along the longitudinal direction of the expansion joint device and spaced apart from the upper side of the inner surface of the drain sheet;
Foreign matter blocking device,
a blocking sheet installed between the expansion joint and the drain sheet;
A plurality of sheet hooks to which the blocking sheet is coupled in the form of a ring that is fitted and wrapped around the outer circumferential surface of the sheet support; and
At least two or more sheet support parts inserted into the seat support ring and installed along the longitudinal side ends of the blocking sheet at both inner ends of the drainage sheet;
drain sheet,
a support sheet having one side coupled to the seat supporting member and the other side detachable from the supporting sheet;
a support sheet having one side coupled to the seat holding member and the other side detachable from the support sheet and formed longer than the support sheet; and
It includes; a coupling member formed on one side of the drain sheet to connect the support sheet and the support sheet and to open and close the drain sheet;
The blocking sheet is disposed at the top and the drainage sheet is disposed at the bottom to have a two-stage structure to support foreign substances and falling water,
The blocking sheet is in the form of a mesh, allowing falling water to pass through, but filtering out relatively large foreign substances, and has a certain elasticity so that it can be folded and unfolded. When pulled from one side of the bridge, foreign substances are removed after moving to one side, and when pushed to the other side, it is moved to the original position and spreads along the expansion joint.
The drainage sheet supports and loads all falling water and foreign substances that have passed through the blocking sheet, removes foreign substances by releasing the coupling member on the side, and combines the coupling member after removing the foreign material to return it to its original position. According to claim 1,
The coupling member is
a zipper installed along the bonding edge of the support sheet and the support sheet; and
A locking clasp for coupling the support sheet and the support sheet across the upper part of one side of the zipper;
lock clasp,
A plurality of locking rings are mounted along the edge of one end of the support sheet; and
Bridge expansion joint drainage device comprising a; and a plurality of fixing buckles corresponding to the hooking ring along the edge of one end of the support sheet. According to claim 1,
A bridge expansion joint drainage device further comprising a; a plurality of mounting safety covers respectively provided at predetermined positions on both inner ends of the drainage sheet. According to claim 1,
Bridge expansion joint drainage device, characterized in that; According to claim 1,
The blocking sheet is a bridge expansion joint drainage device further comprising being installed parallel to the plurality of seat support units.

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