Cofferdam water retaining structure

Abstract

The cofferdam water retaining structure comprises a water retaining mechanism, a water stopping part and an embedded part, the water retaining mechanism comprises two mounting seats, a water retaining plate and a supporting part, the two mounting seats are fixedly connected with the inner bottom wall of a cofferdam body, the bottom of the water retaining plate is hinged to the two mounting seats, and the supporting part is arranged in the cofferdam body and connected with the downstream face of the water retaining plate. The water stopping part is fixedly arranged at the bottom of the water baffle, the embedded part is fixedly arranged on the inner bottom wall of the weir body, the inclination angle between the water baffle and the inner bottom wall of the weir body is adjusted through the supporting part, so that the water stopping part and the embedded part are attached to form a sealing section, and the sealing section can seal a movable gap between the bottom of the water baffle and the inner bottom wall of the weir body. The problems that in the prior art, a water baffle is hinged to a mounting base, a movable gap exists between the water baffle and the inner bottom wall of a weir body, and water flows out of the movable gap are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water retaining structure technical field, concretely relates to a cofferdam water retaining structure. BACKGROUND

[0002] The cofferdam water retaining structure is a temporary water retaining building built for permanent water conservancy facilities in water conservancy construction. It is filled with earth and stone, can fully utilize local materials, has strong adaptability to foundation, simple construction technology, and is suitable for conditions of shallow water depth and slow flow speed, and is generally used for non-water cofferdams.

[0003] In the prior art, a mounting seat is arranged on the inner bottom wall of the cofferdam, the bottom of the water retaining plate is hingedly connected through the mounting seat, and a supporting piece is arranged in the cofferdam to support the water back surface of the water retaining plate. Since there is a movable gap between the bottom of the water retaining plate and the mounting seat, water flow will flow out from the movable gap, and the sealing performance of the cofferdam water retaining structure is poor. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the above technical defects, providing a cofferdam water retaining structure, solving the problem that the water retaining plate and the mounting seat are hingedly connected, and there is a movable gap between the water retaining plate and the inner bottom wall of the cofferdam.

[0005] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a cofferdam water retaining structure, which comprises:

[0007] The water retaining mechanism comprises two mounting seats, a water retaining plate and a supporting piece, the two mounting seats are fixedly connected with the inner bottom wall of the cofferdam, the bottom of the water retaining plate is hingedly connected with the two mounting seats, and the supporting piece is arranged in the cofferdam and connected with the water back surface of the water retaining plate;

[0008] The water retaining piece is fixedly arranged on the bottom of the water retaining plate; and

[0009] The embedded part is fixedly arranged on the inner bottom wall of the cofferdam, the inclination angle between the water retaining plate and the inner bottom wall of the cofferdam is adjusted through the supporting piece, so that the water retaining piece and the embedded part are in close contact to form a sealing section, and the sealing section can close the movable gap between the bottom of the water retaining plate and the inner bottom wall of the cofferdam.

[0010] In some embodiments, the water retaining piece comprises a water retaining bottom plate, a water retaining belt and a locking piece, the water retaining bottom plate is fixedly connected with the bottom of the water retaining plate, the water retaining belt is fixedly connected with the water retaining bottom plate through a plurality of locking pieces, and the water retaining belt can be in close contact with the embedded part to form a sealing section.

[0011] In some embodiments, the water retaining piece further comprises a gasket, and the gasket is compressed between the water retaining bottom plate and the water retaining belt.

[0012] In some embodiments, the water stop further comprises a reinforcing plate, and at least one of the reinforcing plates is connected between the water stop base plate and the water retaining plate.

[0013] In some embodiments, the water stop is a P-type rubber water stop.

[0014] In some embodiments, the embedded part is an elastic rubber strip.

[0015] In some embodiments, a wave-preventing plate is welded to the top of the water retaining plate, and the included angle between the wave-preventing plate and the water-facing surface of the water retaining plate is 120°-170°.

[0016] In some embodiments, at least one water retaining sealing strip is arranged on each of the opposite sides of the water retaining plate, and the water retaining sealing strips are arranged along the length direction of the water retaining plate, and the two water retaining sealing strips can contact the opposite side walls of the cofferdam body.

[0017] In some embodiments, the mounting seat comprises a base, an adjusting rod and an adjusting seat, one side of the base is provided with a vertical plate, the base is fixedly connected with the inner bottom wall of the cofferdam body, the adjusting seat is slidingly connected with the base, an elastic member is arranged between one side of the adjusting seat and the vertical plate, the connecting rod at the bottom of the water retaining plate is hingedly connected with the adjusting seat via the adjusting rod, and the adjusting rod is further threadedly rotatably connected with the vertical plate, and the adjusting seat and the vertical plate can be driven to approach or move away from each other by rotating the adjusting rod.

[0018] In some embodiments, the supporting member comprises a connecting seat, a sleeve and a supporting rod, the connecting seat is fixedly arranged on the inner bottom wall of the cofferdam body, one end of the sleeve is hingedly connected with the connecting seat, one end of the supporting rod is connected with the water retaining plate, and the other end of the supporting rod is inserted into the inner cavity of the sleeve, and the inclination angle between the water retaining plate and the inner bottom wall of the cofferdam body can be adjusted by slidingly adjusting the insertion depth.

[0019] Compared with the prior art, the cofferdam water retaining structure provided by the utility model has the advantages that the two mounting seats are fixedly connected with the inner bottom wall of the cofferdam body, the bottom of the water retaining plate is hingedly connected with the two mounting seats, the supporting member is arranged in the cofferdam body and connected with the water-leaving surface of the water retaining plate, the water stop is fixedly arranged at the bottom of the water retaining plate, and the embedded part is fixedly arranged on the inner bottom wall of the cofferdam body, the inclination angle between the water retaining plate and the inner bottom wall of the cofferdam body can be adjusted by the supporting member, the water stop can be matched with the embedded part to form a sealing section, the sealing section can seal the movable gap between the bottom of the water retaining plate and the inner bottom wall of the cofferdam body, the water flow cannot flow out from the movable gap, and the sealing performance of the water retaining structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structure schematic view of one embodiment of the cofferdam water retaining structure provided by the utility model embodiment;

[0021] Figure 2 is Figure 1 is an enlarged schematic view of the B area in figure 1;

[0022] Figure 3 is a schematic view of a mounting seat structure according to an embodiment of the present application;

[0023] Figure 4 is a schematic view of another embodiment of the cofferdam water retaining structure according to an embodiment of the present application. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0025] In order to solve the technical problem that in the prior art, the water retaining plate and the mounting seat are hingedly connected, and there is a movable gap between the water retaining plate and the inner bottom wall of the cofferdam body, and the water flow will flow out of the movable gap, the present application provides a cofferdam water retaining structure, which can seal the movable gap between the water retaining plate and the mounting seat, avoid the water flow from flowing out of the movable gap, and improve the sealing performance of the water retaining structure.

[0026] Please refer to Figures 1-4 , Figures 1-4 The cofferdam water retaining structure according to an embodiment of the present application comprises a water retaining mechanism 1, a water stopping part 2 and a pre-buried part 3. The water retaining mechanism 1 comprises two mounting seats 11, a water retaining plate 12 and a supporting part 13. The two mounting seats 11 are fixedly connected to the inner bottom wall of the cofferdam body A. The bottom of the water retaining plate 12 is hingedly connected to the two mounting seats 11. The supporting part 13 is arranged in the cofferdam body A and connected to the backwater surface of the water retaining plate 12. The water stopping part 2 is fixedly arranged on the bottom of the water retaining plate 12. The pre-buried part 3 is fixedly arranged on the inner bottom wall of the cofferdam body A. The inclination angle between the water retaining plate 12 and the inner bottom wall of the cofferdam body A is adjusted by the supporting part 13, so that the water stopping part 2 and the pre-buried part 3 are in close contact to form a sealing section. The sealing section can seal the movable gap between the bottom of the water retaining plate 12 and the inner bottom wall of the cofferdam body A.

[0027] In the actual installation process, the two mounting seats 11 are first installed on the inner bottom wall of the cofferdam body A with a certain interval. Then, the pre-buried part 3 is installed on the inner bottom wall of the cofferdam body A and located on one side of the two mounting seats 11. Subsequently, the bottom side of the water retaining plate 12 is hingedly connected to the two mounting seats 11. Finally, the supporting part 13 is arranged in the cofferdam body A and connected to the backwater surface of the water retaining plate 12. Under the supporting force of the supporting part 13, the water retaining plate 12 and the inner bottom wall of the cofferdam body A are arranged in an inclined manner. The inclination angle of the water retaining plate 12 is adjusted by the supporting part 13, so that the water stopping part 2 and the pre-buried part 3 are in close contact to form a sealing section.

[0028] It should be noted that the water stop 2 is not limited to a specific structure, as long as it can be attached to the embedded part 3 to form a sealing section, and no other limitations are made here.

[0029] In one embodiment, the water stop 2 includes a water stop bottom plate 21, a water stop belt 22, and a locking member 23, the water stop bottom plate 21 is fixed to the bottom of the water stop plate 12, wherein the water stop bottom plate 21 is arranged along the width direction of the water stop plate 12, the water stop belt 22 is fixed to the water stop bottom plate 21 through a plurality of locking members 23, and the water stop belt 22 can be attached to the embedded part 3 to form a sealing section.

[0030] Specifically, the locking member 23 is a bolt and a nut, one end of the bolt passes through the water stop belt 22, the water stop bottom plate 21 and the nut in turn, and the water stop belt 22 and the water stop bottom plate 21 are fixedly connected,

[0031] It should be noted that the water stop belt 22 is a P-shaped rubber water stop belt, and the embedded part 3 is an elastic rubber strip arranged along the width direction of the water stop plate 12.

[0032] On the basis of the above-mentioned scheme, the water stop 2 further comprises a gasket 24, the gasket 24 is pressed between the water stop bottom plate 21 and the water stop belt 22, wherein the gasket 24 is an elastic rubber gasket.

[0033] In addition, in order to improve the compressive strength of the water stop 2, specifically, a plurality of reinforcing plates 25 are connected between the water stop bottom plate 21 and the water stop plate 12.

[0034] On the basis of the above-mentioned scheme, the top of the water stop plate 12 is welded with a wave protection plate 121, and the included angle between the wave protection plate 121 and the water surface side of the water stop plate 12 is 120°-170°, in one embodiment, the included angle between the wave protection plate 121 and the water surface side of the water stop plate 12 is 120°, wherein the wave protection plate 121 and the water surface side of the water stop plate 12 can also be connected with a plurality of rib plates.

[0035] On the basis of the above-mentioned scheme, in order to improve the sealing performance of the water stop structure, specifically, at least one water stop sealing strip 4 is arranged on the opposite sides of the water stop plate 12, and the water stop sealing strip 4 is arranged along the length direction of the water stop plate 12, and the two water stop sealing strips 4 can contact the opposite side walls of the weir body A.

[0036] It should be noted that the mounting seat 11 is not limited to a specific structure, and in the specific embodiment, the mounting seat 11 includes a base 111, an adjusting rod 112, and an adjusting seat 113. The base 111 is provided with a vertical plate 114 on one side, and the base 111 is fixedly connected to the inner bottom wall of the weir body A. The adjusting seat 113 is in sliding connection with the base 111, and an elastic member 115 is arranged between one side of the adjusting seat 113 and the vertical plate 114. The connecting rod at the bottom of the water baffle 12 is hingedly connected to the adjusting seat 113 through the adjusting rod 112, and the adjusting rod 112 is also in threaded rotary connection with the vertical plate 114. By rotating the adjusting rod 112, the adjusting seat 113 and the vertical plate 114 can be driven to approach or move away from each other.

[0037] The end of the adjusting rod 112 is provided with external threads, and the vertical plate 114 is provided with internal threads. The external threads at the end of the adjusting rod 112 can be screwed with the internal threads on the vertical plate 114. By rotating the adjusting rod 112, the adjusting seat 113 can be driven to approach or move away from the vertical plate 114, so as to finely adjust the installation position of the water baffle 12, so that the water baffle 12 can be in contact with the opposite two side walls of the weir body A through the opposite two water sealing strips 4.

[0038] In addition, the support member 13 is not limited to a specific mechanism, as long as it can support the backwater surface of the water baffle 12 and can drive the water baffle 12 to rotate. No further description is made here.

[0039] In one embodiment, the support member 13 includes a connecting seat 131, a sleeve 132, and a support rod 133. The connecting seat 131 is fixedly arranged on the inner bottom wall of the weir body A. One end of the sleeve 132 is hingedly connected to the connecting seat 131. One end of the support rod 133 is connected to the water baffle 12, and the other end of the support rod 133 is inserted into the inner cavity of the sleeve 132. The inclination angle between the water baffle 12 and the inner bottom wall of the weir body A is adjusted by slidingly adjusting the insertion depth.

[0040] It should be noted that the number of support members 13 is not limited. When the number of support members 13 is one, the support member 13 can be arranged at the middle of the weir body A. When the number of support members 13 is two, the support members 13 can be arranged on the opposite two sides of the weir body A.

[0041] The connecting seat 131 is identical in structure to the mounting seat 11, the sleeve 132 is provided with a locking piece for fixing the support rod 133, and the locking piece specifically comprises a bolt hole provided on the sleeve 132, and a locking bolt is mounted in the bolt hole; the support rod 133 is fixed in the inner cavity of the sleeve 132 by screwing the locking bolt; if it is required to adjust the inclination angle between the water baffle 12 and the inner bottom wall of the weir body A again, the support rod 133 can be freely slid in the inner cavity of the sleeve 132 by screwing the locking bolt, and the water baffle 12 can be freely adjusted, so that the water baffle 12 can be freely adjusted, and the water baffle 12 can be freely adjusted.

[0042] It should be noted that, in order to further improve the support strength, the inclined support rod 134 is connected between the support rod 133 and the backwater surface of the water baffle.

[0043] In another embodiment, when the number of the support pieces 13 is four, two support pieces 13 are arranged on one side of the weir body A, and the other two support pieces 13 are arranged on the other side of the weir body A; the two support pieces 13 arranged on one side of the weir body A are located in the same plane, and a reinforcing rod is connected between the support rods 133 of the two support pieces 13; and a vertical rod is connected between the reinforcing rod and the backwater surface of the water baffle.

[0044] In order to better understand the present application, the following will be described in detail Figures 1-4 The technical scheme of the present application will be described in detail:

[0045] The two mounting seats 11 are first spaced apart and mounted on the inner bottom wall of the weir body A, the connecting seat 131 is mounted on the inner bottom wall of the weir body A, the embedded part 3 is then mounted on the inner bottom wall of the weir body A and located on one side of the two mounting seats 11, then the bottom side of the water baffle 12 is hingedly connected to the adjusting seat 113, one end of the sleeve 132 is hingedly connected to the connecting seat 131, one end of the support rod 133 is connected to the water baffle 12, and the other end of the support rod 133 is inserted into the inner cavity of the sleeve 132; the installation position of the water baffle 12 is finely adjusted by rotating the adjusting rod 112, so that the two water sealing strips 4 can be in contact with the opposite two side walls of the weir body A; finally, the inclination angle between the water baffle 12 and the inner bottom wall of the weir body A is adjusted by slidingly adjusting the insertion depth, so that the water stop belt 22 is in close contact with the embedded part 3 to form a sealing section, and the support rod 133 is fixed in the inner cavity of the sleeve 132 by screwing the locking bolt.

[0046] The specific embodiments of the present application described above do not constitute a limitation on the protection scope of the present application. Any other corresponding changes and modifications made according to the technical concept of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A cofferdam water retaining structure, characterized by, The application relates to a water-blocking mechanism for a weir, which comprises two mounting seats fixed to the inner bottom wall of the weir body, a water-blocking plate with the bottom hinged to the two mounting seats, and a supporting piece arranged in the weir body and connected to the backwater surface of the water-blocking plate. A water-stopping piece is fixed to the bottom of the water-blocking plate. A pre-buried piece is fixed to the inner bottom wall of the weir body, and the angle between the water-blocking plate and the inner bottom wall of the weir body is adjusted by the supporting piece, so that the water-stopping piece and the pre-buried piece are in close contact to form a sealing section, which can seal the movable gap between the bottom of the water-blocking plate and the inner bottom wall of the weir body. The water-stopping piece comprises a water-stopping bottom plate fixed to the bottom of the water-blocking plate, a water-stopping belt fixed to the water-stopping bottom plate through a plurality of locking pieces, and the water-stopping belt can be in close contact with the pre-buried piece to form a sealing section.

2. The cofferdam water retaining structure according to claim 1, wherein The water-stopping piece further comprises a gasket compressed between the water-stopping bottom plate and the water-stopping belt.

3. The cofferdam water retaining structure according to claim 2, wherein The water-stopping piece further comprises a reinforcing plate connected between the water-stopping bottom plate and the water-blocking plate.

4. The cofferdam water retaining structure according to claim 3, wherein The water-stopping belt is a P-shaped rubber water-stopping belt.

5. The cofferdam water retaining structure according to claim 4, wherein The pre-buried piece is an elastic rubber strip.

6. The cofferdam of any one of claims 1 to 5, wherein, The top of the water-blocking plate is welded with a wave-preventing plate, and the included angle between the wave-preventing plate and the water-facing surface of the water-blocking plate is 120-170 degrees.

7. The cofferdam of claim 1, wherein, The opposite sides of the water-blocking plate are each provided with at least one water-blocking sealing strip arranged along the length direction of the water-blocking plate, and the two water-blocking sealing strips can be in contact with the opposite side walls of the weir body.

8. The cofferdam water retaining structure according to any one of claims 1 to 5, wherein The mounting seat comprises a base provided with a vertical plate on one side, a regulating rod and a regulating seat, the base is fixed to the inner bottom wall of the weir body, the regulating seat is slidingly connected to the base, an elastic piece is arranged between one side of the regulating seat and the vertical plate, a connecting rod at the bottom of the water-blocking plate is hinged to the regulating seat through the regulating rod, and the regulating rod is further threadedly connected to the vertical plate, and the regulating seat and the vertical plate can be driven to approach or move away from each other by rotating the regulating rod.

9. The cofferdam water containment structure of claim 8, wherein, The supporting piece comprises a connecting seat fixed to the inner bottom wall of the weir body, a sleeve hinged to one end of the connecting seat, and a supporting rod connected to the water-blocking plate at one end and inserted into the inner cavity of the sleeve at the other end, and the angle between the water-blocking plate and the inner bottom wall of the weir body is adjusted by slidingly adjusting the insertion depth.

10. The cofferdam water containment structure of claim 9, wherein, ​

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