Water retaining cofferdam for water conservancy construction

Abstract

The utility model relates to the field of water conservancy construction equipment, in particular to a water retaining cofferdam for water conservancy construction, which comprises four stand columns, fixing cones are arranged at the lower ends of the stand columns, through grooves are vertically formed in two adjacent side faces of the stand columns, pressing plate mechanisms are arranged in the through grooves, and water retaining plates are arranged between the through grooves of the adjacent stand columns. Telescopic mechanisms are detachably arranged on the outer side faces of the water baffles, flexible steel plates installed on the outer sides of the water baffles are arranged between the adjacent stand columns, and the flexible steel plates are provided with fixing mechanisms connected with the stand columns. According to the water retaining cofferdam, the arc-shaped flexible steel plates are arranged on the outer sides of the water retaining plates in a covering mode, water flow is guided, and the stability of the water retaining cofferdam is improved.

Description

Technical Field

[0001] The utility model relates to the field of water conservancy construction equipment, in particular to a water retaining cofferdam for water conservancy construction. Background Art

[0002] In water conservancy construction, especially in the construction of bridges, it is often necessary to build some foundation piles on the riverbed or seabed. When building these foundation piles or bridge piers, it is necessary to first use a water retaining cofferdam to isolate the target location, and then use pumping equipment to drain the water inside the water retaining cofferdam, and then carry out construction inside the water retaining cofferdam. The existing water retaining cofferdams are generally square enclosures composed of several plates, which encounter great resistance to water flow. The flow and fluctuation of water flow may cause the water retaining cofferdam to loosen, which is dangerous. Therefore, it is particularly necessary to develop a water retaining cofferdam for water conservancy construction that is less affected by water flow and has improved stability. Summary of the invention

[0003] The utility model aims to provide a water retaining cofferdam for water conservancy construction, which is less affected by water flow and improves the stability of the water retaining cofferdam.

[0004] The technical solutions adopted are as follows:

[0005] A water retaining cofferdam for water conservancy construction comprises four columns, the lower ends of the columns are all provided with fixed cones, two adjacent side surfaces of the columns are vertically provided with through grooves, the through grooves are each provided with a pressure plate mechanism, a water retaining plate is provided between the through grooves of adjacent columns, the outer side surfaces of the water retaining plate are detachably provided with a telescopic mechanism, a flexible steel plate installed on the outer side of the water retaining plate is provided between adjacent columns, and the flexible steel plate is provided with a fixing mechanism connected to the columns.

[0006] Preferably, the pressure plate mechanism includes a vertically extending pressure strip, and a plurality of guide rods are horizontally arranged on the pressure strip, and the guide rods are slidably connected to the inner wall of the through groove, and compression springs are sleeved on the guide rods, and the two ends of the compression springs are respectively fixedly connected to the through groove and the pressure strip.

[0007] Preferably, the upper end of the pressure strip is connected to an inclined guide plate.

[0008] Preferably, rubber sealing strips are provided at both ends of the water baffle.

[0009] Preferably, the telescopic mechanism comprises a manual hydraulic rod, the free end of the manual hydraulic rod is connected to a bracket, and the outer end of the bracket is rotatably connected to a vertically extending support roller.

[0010] Preferably, the fixing mechanism includes a plurality of fixing rings and safety buckles, the safety buckles are arranged on the flexible steel plate, and the fixing rings are fixedly arranged on the pillars.

[0011] Preferably, a plurality of spikes are provided on the side surface of the fixing cone.

[0012] Preferably, a threaded rod is coaxially arranged on the upper end of the fixed cone, the threaded rod is threadably connected to the column and the upper end of the threaded rod extends above the column.

[0013] Compared with the prior art, the beneficial effects are:

[0014] 1. The utility model utilizes a telescopic mechanism and a fixing mechanism to completely arcuate the flexible steel plate, thereby utilizing the arc-shaped flexible steel plate cover to be arranged on the outside of each water retaining plate to guide the water flow, thereby reducing the resistance of the water retaining cofferdam in the water and improving the stability of the water retaining cofferdam.

[0015] 2. In the utility model, the vertical movement of the fixed cone is achieved by rotating the screw rod, and the depth of insertion into the riverbed is changed, so that the column is more firm.

[0016] 3. In the utility model, a plurality of spikes are arranged on the side of the fixed cone to make the column more firm. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a water retaining cofferdam for water conservancy construction of the utility model.

[0018] Figure 2 yes Figure 1 The structural diagram at A in the middle,

[0019] Figure 3 This is a schematic diagram of the structure inside the through channel of a water retaining cofferdam for water conservancy construction of the utility model.

[0020] In the figure: 1. column, 2. fixed cone, 3. through groove, 4. water retaining plate, 5. pressure strip, 6. guide rod, 7. compression spring, 8. guide plate, 9. manual hydraulic rod, 10. bracket, 11. support roller, 12. flexible steel plate, 13. spike, 14. threaded rod. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with specific embodiments. Figures 1 to 3 As shown:

[0022] Embodiment 1: A water retaining cofferdam for water conservancy construction, comprising four columns 1, each of which is provided with a fixing cone 2 at the lower end, each of which is provided with a through groove 3 vertically on two adjacent side surfaces of the column 1, each of which is provided with a pressing plate mechanism, a water retaining plate 4 is provided between the through grooves 3 of adjacent columns 1, the pressing plate mechanism fixes the water retaining plate 4 inserted into the through groove 3, and the four water retaining plates 4 overlap with the four columns 1 to form a space,

[0023] The outer side of the water retaining plate 4 can be detachably provided with a telescopic mechanism, and the telescopic mechanism is perpendicular to the corresponding water retaining plate 4. A flexible steel plate 12 installed on the outer side of the water retaining plate 4 is provided between adjacent columns 1. The flexible steel plate 12 is provided with a fixing mechanism connected to the column 1. The fixing mechanism is connected to the end of the flexible steel plate 12, and the middle part of the flexible steel plate 12 is lifted up by the telescopic mechanism, so that the flexible steel plate 12 is arc-shaped.

[0024] The curved flexible steel plate 12 is covered on the outside of each water retaining plate 4 to guide the water flow, thereby reducing the resistance of the water retaining cofferdam in the water and improving the stability of the water retaining cofferdam;

[0025] Embodiment 2: A water retaining cofferdam for water conservancy construction, comprising four columns 1, each of which is provided with a fixing cone 2 at the lower end, each of which is provided with a through groove 3 vertically on two adjacent side surfaces of the column 1, each of which is provided with a pressing plate mechanism, a water retaining plate 4 is provided between the through grooves 3 of adjacent columns 1, the pressing plate mechanism fixes the water retaining plate 4 inserted into the through groove 3, and the four water retaining plates 4 overlap with the four columns 1 to form a space,

[0026] The pressure plate mechanism includes a vertically extending pressure strip 5, and the pressure strip 5 is horizontally provided with a plurality of guide rods 6, and the guide rods 6 are all slidably connected to the inner wall of the through groove 3, and the guide rods 6 are sleeved with compression springs 7, and the two ends of the compression springs 7 are respectively fixedly connected to the through groove 3 and the pressure strip 5, and the upper end of the pressure strip 5 is connected to an inclined guide plate 8, and the two ends of the water baffle 4 are provided with rubber sealing strips, and the rubber sealing strips improve the sealing between the water baffle 4 and the through groove 3.

[0027] The outer side of the water retaining plate 4 can be detachably provided with a telescopic mechanism, and the telescopic mechanism is perpendicular to the corresponding water retaining plate 4. The telescopic mechanism includes a manual hydraulic rod 9, and the free end of the manual hydraulic rod 9 is connected to a bracket 10. The outer end of the bracket 10 is rotatably connected to a vertically extending support roller 11. A flexible steel plate 12 installed on the outside of the water retaining plate 4 is provided between adjacent columns 1. The flexible steel plate 12 is provided with a fixing mechanism connected to the column 1. The fixing mechanism includes a plurality of fixing rings and a safety buckle. The safety buckle is arranged on the flexible steel plate 12, and the fixing ring is fixedly arranged on the column 1. The fixing mechanism is connected to the end of the flexible steel plate 12, and the middle part of the flexible steel plate 12 is lifted up by the telescopic mechanism, so that the flexible steel plate 12 is arc-shaped.

[0028] A plurality of spikes 13 are arranged on the side of the fixing cone 2, which make the column 1 more secure. A threaded rod 14 is coaxially arranged on the upper end of the fixing cone 2. The threaded rod 14 is threadedly connected to the column 1 and the upper end of the threaded rod 14 extends to the top of the column 1. The vertical movement of the fixing cone 2 is achieved by rotating the screw rod, and the depth of insertion into the riverbed is changed, thereby making the column 1 more secure.

[0029] The specific working process is as follows: when installing the water retaining cofferdam, the columns 1 are inserted into the riverbed, the fixing cone 2 is deeply inserted into the riverbed by rotating the screw, and the water retaining plate 4 is installed on the corresponding column 1, and then both ends of the flexible steel plate 12 are connected to the column 1 through a fixing mechanism, and the middle part of the flexible steel plate 12 is lifted up by the telescopic mechanism, and the arc-shaped flexible steel plate 12 is covered on the outside of each water retaining plate 4 to guide the water flow, thereby reducing the resistance of the water retaining cofferdam in the water and improving the stability of the water retaining cofferdam.

[0030] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A water retaining cofferdam for water conservancy construction, characterized in that: It includes four columns, each of which is provided with a fixing cone at the lower end, vertical through grooves are provided on two adjacent side surfaces of the columns, each of which is provided with a pressure plate mechanism, a water retaining plate is provided between the through grooves of adjacent columns, and the outer side surfaces of the water retaining plate are detachable and provided with a telescopic mechanism, and a flexible steel plate installed on the outer side of the water retaining plate is provided between adjacent columns, and the flexible steel plate is provided with a fixing mechanism connected to the columns.

2. A water retaining cofferdam for water conservancy construction as claimed in claim 1, characterized in that: The pressure plate mechanism includes a vertically extending pressure strip, and a plurality of guide rods are horizontally arranged on the pressure strip. The guide rods are slidably connected to the inner wall of the through groove, and compression springs are sleeved on the guide rods. The two ends of the compression springs are fixedly connected to the through groove and the pressure strip respectively.

3. A water retaining cofferdam for water conservancy construction as claimed in claim 2, characterized in that: The upper end of the pressure strip is connected with an inclined guide plate.

4. A water retaining cofferdam for water conservancy construction as claimed in claim 1, characterized in that: Both ends of the water baffle are provided with rubber sealing strips.

5. A water retaining cofferdam for water conservancy construction as claimed in claim 1, characterized in that: The telescopic mechanism comprises a manual hydraulic rod, the free end of which is connected to a bracket, and the outer end of the bracket is rotatably connected to a vertically extending support roller.

6. A water retaining cofferdam for water conservancy construction as claimed in claim 1, characterized in that: The fixing mechanism comprises a plurality of fixing rings and safety buckles. The safety buckles are arranged on the flexible steel plate, and the fixing rings are fixedly arranged on the pillars.

7. A water retaining cofferdam for water conservancy construction as claimed in claim 1, characterized in that: The side surface of the fixing cone is provided with a plurality of spikes.

8. A water retaining cofferdam for water conservancy construction as claimed in claim 1, characterized in that: A threaded rod is coaxially arranged on the upper end of the fixed cone. The threaded rod is threadably connected to the column and the upper end of the threaded rod extends above the column.

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