Anti-sliding type double-row steel cofferdam device

Abstract

The utility model belongs to the technical field of cofferdam devices, and particularly relates to an anti-sliding type double-row steel cofferdam device which comprises a corrosion-resistant layer and further comprises a Larsen steel plate fixedly installed on the inner wall of the corrosion-resistant layer, fixing columns are installed on the inner wall of the Larsen steel plate at equal intervals, connecting seats are fixedly installed on the opposite faces of the fixing columns, and the connecting seats are connected with the anti-corrosion layer. The protective sleeve is installed through the steel sheet pile, then the fixing bolts are installed through the protective sleeve, then the steel sheet pile and the connecting steel sheet are fixed through the fixing bolts, and under the action of the inserting blocks, the stability of connection between the connecting steel sheet and the steel sheet pile is improved; and then the stability between the steel sheet piles and the connecting steel plates is improved through the steel supports, so that the stability of the cofferdam device is improved, and through the synergistic effect of the steel sheet piles, the steel supports, the water stop clay and the Larsen steel plates, the purpose of low-cost and high-efficiency cofferdam construction on the surface of the weak weathered rock stratum with less coverage is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cofferdam device technical field especially, it relates to a kind of anti-sliding double-row steel cofferdam device. BACKGROUND

[0002] Cofferdam device is a kind of temporarily isolated water flow in construction, for building building, bridge or carrying out underwater engineering construction in riverbed or shallow water area structure, double-row steel cofferdam device is a kind of temporary structure for cofferdam construction in water conservancy project, it is composed of two rows of vertical or inclined steel plates, space is left between the two rows of steel plates, to isolate water surface in construction site, while protecting construction site from water flow scouring and erosion during construction period, for the cofferdam construction in the riverbed of little covering weakly weathered rock layer, due to little covering layer in riverbed, cofferdam bottom cannot be embedded in riverbed, need to groove construction to rock layer, guarantee the embedding effect of cofferdam, lead to increase construction difficulty, therefore propose a kind of anti-sliding double-row steel cofferdam device.

[0003] For example, the Chinese patent with publication number CN217150317U discloses a self-adaptive terrain bottomless double-wall steel cofferdam, which has multiple segments, guide devices are arranged on corresponding lengthening guide piles and auxiliary piles, and corresponding cofferdam hoisting ends are formed, the cofferdam hoisting end has a steel cofferdam wall connecting steel plate, a hoisting point bottom plate and an anchor backing plate, the steel cofferdam wall connecting steel plate is welded with the hoisting point bottom plate and passes through a steel strand.

[0004] The prior art document has the following problems:

[0005] The prior art document has some disadvantages when in use, such as: low pile cap is generally buried under the riverbed, the riverbed needs to be excavated, the steel cofferdam is a water retaining structure for cap excavation, the soil penetration depth of the steel cofferdam generally needs to be greater than the soil penetration depth of the cap, which further increases the grooving depth of the steel cofferdam in the rock layer, resulting in increased construction cost, and for the cofferdam construction in the riverbed of little covering weakly weathered rock layer, due to little covering layer in riverbed, cofferdam bottom cannot be embedded in riverbed, need to groove construction to rock layer, guarantee the embedding effect of cofferdam, lead to increase construction difficulty. In view of this, we propose a kind of anti-sliding double-row steel cofferdam device. UTILITY MODEL CONTENTS

[0006] The utility model aims at the above-mentioned technical problem, provide a kind of anti-sliding double-row steel cofferdam device, reach the effect of reducing construction difficulty and reducing construction cost.

[0007] In view of the above, the utility model provides an anti -skid type double -row steel cofferdam device, including corrosion -resistant layer still includes: the inner wall fixed mounting of corrosion -resistant layer has the larsen steel sheet, the inner wall equidistance of larsen steel sheet installs fixed column, the opposite face fixed mounting of fixed column has connecting seat, one end fixed mounting of larsen steel sheet is provided with water -stop clay, the surface fixed mounting of water -stop clay has steel sheet pile, the both sides fixed mounting of steel sheet pile has protective sleeve, the both sides of protective sleeve are installed and are equipped with fixed bolt, the both sides of steel sheet pile inside are installed and are equipped with plug -in block, fixed mounting between plug -in block has connecting steel sheet, fixed mounting between connecting steel sheet has steel support, the one side fixed mounting of steel sheet pile inside has fixed seat, the other side of steel sheet pile is installed and is equipped with connecting pipe.

[0008] Based on the above structure, through the synergy of steel sheet pile, steel support, water -stop clay and larsen steel plate, the purpose of low -cost, high -efficient cofferdam construction on the surface of weak weathered rock layer with less coverage is realized, and even before pouring bottom sealing concrete, water flow can be prevented from entering the steel sheet pile, thereby avoiding the cumbersome steps of underwater pouring concrete.

[0009] Preferably, the larsen steel plate is fixedly provided with a welding point, and the larsen steel plate is made of steel material, which facilitates the connection of the larsen steel plate by using the welding point.

[0010] Preferably, the steel support is made of stainless steel material, and the shape of the steel support is I-shaped, which increases the stability of the steel sheet pile by using the steel support.

[0011] Preferably, the other side of the fixed seat is fixedly provided with a sliding groove, and the other side of the sliding groove is installed and is equipped with a sliding block, which sets the sliding groove by using the fixed seat.

[0012] Preferably, the other side of the sliding block is fixedly installed with a ladder, and the surface of the ladder is fixedly installed with a handle, which facilitates the movement of the staff to the bottom of the lower cofferdam by using the ladder.

[0013] Preferably, the other side of the connecting pipe is fixedly installed with a water level sensor, and one side of the connecting pipe is fixedly installed with a mounting seat, which can detect the change of water level by using the water level sensor.

[0014] Preferably, the one side of the mounting seat is fixedly installed with an alarm, and the shape of the alarm is cylindrical, which facilitates the alarm to remind the staff by using the alarm.

[0015] The utility model has the advantages of:

[0016] 1. A double-row steel cofferdam device of anti-sliding type, the protective sleeve is installed through the steel sheet pile, then the fixing bolt is installed through the protective sleeve, then the steel sheet pile and the connecting steel plate are fixed through the fixing bolt, then the stability of the connecting steel plate and the steel sheet pile is increased through the effect of the inserting block, then the stability between the steel sheet pile and the connecting steel plate is increased through the steel support, so that the stability of the cofferdam device is improved, and the purpose of low-cost and high-efficiency cofferdam construction on the surface of weak weathered rock layer with less covering is realized through the synergistic effect of the steel sheet pile, the steel support, the water-stopping clay and the Larsen steel plate.

[0017] 2. A double-row steel cofferdam device of anti-sliding type, the corrosion-resistant layer is arranged through the Larsen steel plate, then the fixing column is installed through the Larsen steel plate, then the connecting seat is installed through the fixing column, then the bottom of the Larsen steel plate is filled with water-stopping clay, then the water-stopping clay is used to prevent water from entering the inside of the steel sheet pile of the device before pouring bottom sealing concrete, so that the cumbersome step of pouring concrete underwater is avoided, then the Larsen steel plate mainly plays a role of fixing clay, preventing water flow from scattering clay, and avoiding the problem that the cofferdam device slides due to the scattering of clay, so that the construction difficulty of the cofferdam device is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole perspective view of the utility model;

[0019] Figure 2 It is a whole structure schematic view of the utility model;

[0020] Figure 3 It is a local structure schematic view of the steel sheet pile in the utility model;

[0021] Figure 4 It is a local structure schematic view of the corrosion-resistant layer in the utility model;

[0022] Figure 5 It is a local perspective view of the fixing seat in the utility model;

[0023] Figure 6 It is a local structure schematic view of the connecting pipe in the utility model;

[0024] Figure 7 It is a construction schematic view of the utility model.

[0025] The marks in the figure represent:

[0026] 1, corrosion-resistant layer; 101, welding point; 102, Larson steel plate; 103, fixed column; 104, connecting seat; 105, water-stopping clay; 2, steel sheet pile; 201, protective sleeve; 202, fixed bolt; 203, plug; 204, connecting steel plate; 205, steel support; 3, connecting pipe; 301, water level sensor; 302, mounting seat; 303, alarm; 4, fixed seat; 401, sliding groove; 402, sliding block; 403, ladder; 404, handle. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Embodiment one:

[0029] The application discloses an anti-skid double-row steel cofferdam device, please refer to Figures 1-6 , including corrosion-resistant layer 1, still include: the inner wall fixed mounting of corrosion-resistant layer 1 has Larson steel plate 102, the inner wall equidistance mounting of Larson steel plate 102 has fixed column 103, the opposite surface fixed mounting of fixed column 103 has connecting seat 104, the one end fixed mounting of Larson steel plate 102 is provided with water-stopping clay 105, the surface fixed mounting of water-stopping clay 105 has steel sheet pile 2, the both sides fixed mounting of steel sheet pile 2 has protective sleeve 201, the both sides of protective sleeve 201 are installed and are fixed bolt 202, the both sides of the inside of steel sheet pile 2 are installed and are plug 203, plug 203 between fixed mounting has connecting steel plate 204, connecting steel plate 204 between fixed mounting has steel support 205, the one side fixed mounting of steel sheet pile 2 inside has fixed seat 4, the other side of steel sheet pile 2 is installed and is connecting pipe 3.

[0030] Based on the above structure, the corrosion-resistant layer 1 is set by the Larsen steel plate 102, then the fixed column 103 is installed by the Larsen steel plate 102, then the connecting seat 104 is installed by the fixed column 103, then the bottom of the Larsen steel plate 102 is filled with water-stopping clay 105, and then the water-stopping clay 105 is used to prevent water from entering the inside of the steel sheet pile 2 of the device before pouring the bottom sealing concrete, thereby avoiding the cumbersome steps of pouring concrete underwater, and then the Larsen steel plate 102 mainly plays a role of fixing clay to prevent water flow from dispersing clay and avoid the problem of cofferdam device sliding due to clay being dispersed, thereby reducing the construction difficulty of the cofferdam device. Moreover, the protection sleeve 201 is installed by the steel sheet pile 2, then the fixed bolt 202 is installed by the protection sleeve 201, then the steel sheet pile 2 and the connecting steel plate 204 are fixed by the fixed bolt 202, then the stability of the connection between the connecting steel plate 204 and the steel sheet pile 2 is increased by the action of the plug-in block 203, and then the stability between the steel sheet pile 2 and the connecting steel plate 204 is increased by the steel support 205, thereby improving the stability of the cofferdam device. Through the synergistic effect of the steel sheet pile 2, the steel support 205, the water-stopping clay 105 and the Larsen steel plate 102, the purpose of low-cost and high-efficiency cofferdam construction on the surface of weakly weathered rock layer with little coverage is achieved.

[0031] In one embodiment, the welding points 101 are fixedly arranged between the Larsen steel plates 102, and the Larsen steel plates 102 are made of steel.

[0032] Specifically, the Larsen steel plates 102 are connected by the welding points 101.

[0033] In this embodiment, the welding points 101 are used to facilitate the connection of the Larsen steel plates 102, thereby increasing the convenience of connection.

[0034] In one embodiment, the steel support 205 is made of stainless steel, and the shape of the steel support 205 is an I-shaped.

[0035] Specifically, the steel support 205 is installed by the connecting steel plate 204 and the steel sheet pile 2.

[0036] In this embodiment, the steel support 205 is used to increase the stability between the steel sheet pile 2 and the connecting steel plate 204, thereby improving the stability of the cofferdam device.

[0037] In one embodiment, the other side of the fixed seat 4 is fixedly provided with a sliding groove 401, and the other side of the sliding groove 401 is penetrated and installed with a sliding block 402.

[0038] Specifically, the sliding groove 401 is arranged by the fixed seat 4, and then the sliding block 402 is installed by the sliding groove 401.

[0039] In the embodiment, the cooperation of the sliding groove 401 and the sliding block 402 facilitates the movable installation of the ladder 403.

[0040] In one of the embodiments, the other side of the sliding block 402 is fixedly installed with the ladder 403, and the surface of the ladder 403 is fixedly installed with the handle 404.

[0041] Specifically, the ladder 403 is movably installed on the fixed seat 4 through the sliding block 402.

[0042] In the embodiment, the ladder 403 facilitates the entry of the staff into the bottom of the cofferdam device.

[0043] In one of the embodiments, the other side of the connecting pipe 3 is fixedly installed with the water level sensor 301, and one side of the connecting pipe 3 is fixedly installed with the mounting seat 302.

[0044] Specifically, the water level sensor 301 and the mounting seat 302 are installed through the water level connecting pipe 3.

[0045] In the embodiment, the water level sensor 301 detects the water level to prevent the high water level from affecting the construction.

[0046] In one of the embodiments, one side of the mounting seat 302 is fixedly installed with the alarm 303, and the alarm 303 is in the shape of a cylinder.

[0047] Specifically, the alarm 303 is installed through the mounting seat 302.

[0048] In the embodiment, the alarm 303 issues an alarm when the water level is too high, reminding the staff to leave the cofferdam device.

[0049] In use of the anti-skid double-row steel cofferdam device of the embodiment, the corrosion-resistant layer 1 is provided through the Larsen steel plate 102, the Larsen steel plate 102 is connected through the welding point 101, the fixed column 103 is installed through the Larsen steel plate 102, the connecting seat 104 is installed through the fixed column 103, the bottom of the Larsen steel plate 102 is filled with water-stopping clay 105, the protection sleeve 201 is installed through the steel sheet pile 2, the fixed bolt 202 is installed through the protection sleeve 201, the steel sheet pile 2 and the connecting steel plate 204 are fixed through the fixed bolt 202, the sliding groove 401 is provided through the fixed seat 4, the sliding block 402 is installed through the sliding groove 401, the ladder 403 is movably installed on the fixed seat 4 through the sliding block 402, the water level sensor 301 and the mounting seat 302 are installed through the water level connecting pipe 3, and the alarm 303 is installed through the mounting seat 302.

[0050] Embodiment two:

[0051] Construction Method: The process of using the anti-sliding double-row steel cofferdam device in this embodiment is as follows: After sinking to the bottom and draining, the bottom of the Larssen steel plate 102 is filled with water-stopping clay 105 to protect the water-stopping clay 105 and prevent the water flow from dispersing the clay. Then, steel sheet piles 2 and steel supports 205 are used to withstand the pressure and thrust of water on the device. The steel sheet piles 2 mainly act as a cofferdam to prevent water from entering the interior, which facilitates construction. The function of filling the water-stopping clay 105 is mainly to prevent water from entering the interior of the steel sheet piles 2 even before the bottom sealing concrete is poured, thereby avoiding the cumbersome steps of underwater concrete pouring.

[0052] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An anti-skid double-row steel cofferdam device, comprising a corrosion-resistant layer (1), characterized in that, Also include: The inner wall of the corrosion-resistant layer (1) is fixedly installed with a Larsen steel plate (102), the inner wall of the Larsen steel plate (102) is installed with a fixed column (103) at equal intervals, the opposite surface of the fixed column (103) is fixedly installed with a connecting seat (104), one end of the Larsen steel plate (102) is fixedly installed with water-stopping clay (105), the surface of the water-stopping clay (105) is fixedly installed with a steel sheet pile (2), both sides of the steel sheet pile (2) are fixedly installed with a protective sleeve (201), the both sides of the protective sleeve (201) are installed with a fixed bolt (202), both sides of the inside of the steel sheet pile (2) are installed with an insertion block (203), the insertion block (203) is fixedly installed with a connecting steel plate (204) between, the connecting steel plate (204) is fixedly installed with a steel support (205) between, one side of the inside of the steel sheet pile (2) is fixedly installed with a fixed seat (4), the other side of the steel sheet pile (2) is installed with a connecting pipe (3).

2. The anti-skid double-row steel cofferdam device according to claim 1, characterized in that: The Larsen steel plate (102) is fixedly provided with a welding point (101) between, and is made of steel material.

3. The anti-skid double-row steel cofferdam device according to claim 1, characterized in that: The steel support (205) is made of stainless steel material, and has an I-shaped structure.

4. The anti-skid double-row steel cofferdam device according to claim 1, characterized in that: The other side of the fixed seat (4) is fixedly provided with a sliding groove (401), and the other side of the sliding groove (401) is installed with a sliding block (402).

5. The anti-skid double-row steel cofferdam device according to claim 4, characterized in that: The other side of the sliding block (402) is fixedly installed with a ladder (403), and the surface of the ladder (403) is fixedly installed with a handle (404).

6. The anti-skid double-row steel cofferdam device according to claim 1, characterized in that: The other side of the connecting pipe (3) is fixedly installed with a water level sensor (301), and one side of the connecting pipe (3) is fixedly installed with a mounting seat (302).

7. The anti-skid double-row steel cofferdam device according to claim 6, characterized in that: One side of the mounting seat (302) is fixedly installed with an alarm (303), and the alarm (303) has a cylindrical shape.

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