CN212129032U

CN212129032U - Inflatable rubber dam sand flushing and discharging system for preventing silt behind high-pile wharf

Info

Publication number: CN212129032U
Application number: CN202020074273.1U
Authority: CN
Inventors: 高洋洋; 朱佳慧; 陈伟毅; 王立忠
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-12-11
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses an inflatable rubber dam dashes row's husky system for silt-proof at high stake pier rear, should dash row's husky system including fix stock on the bed bottom, the bottom plate at stock top, be used for linking to each other fixed anchor, inflatable rubber dam, gas filled tube way, arrange barometer, inflation valve and the air pump on the rear seawall with the bottom plate. The utility model discloses the inflatable rubber dam is arranged at the pier rear to the theory of application beam of water towards sand to the air pump is aerifyd the rubber dam, reaches the effect of traditional dykes and dams, because the dam body has reduced the area of crossing the water section, and the regional velocity of water flow between rubber dam crest and pier back edge increases, produces the scouring action to the end bed, reduces the side direction soil pressure that the pile foundation receives. The inflatable rubber dam has better portability, and the dam bag can be collapsed through gradual exhaust after the operation is finished, so that the dam bag can be recycled. The device solves the problems of silt back-silting and construction inconvenience and the like generally existing behind the wharf.

Description

Inflatable rubber dam sand flushing and discharging system for preventing silt behind high-pile wharf

Technical Field

The utility model relates to a device that silt was prevented to pier rear underwater silt, concretely relates to inflatable rubber dam dashes row's of silt system is prevented to high stake pier rear.

Background

At present, the traditional methods for solving the problem of silt back-silting at the rear of a wharf include a diversion embankment silt-preventing method, a cutter suction dredger silt-clearing method, a drag suction dredger silt-clearing method, a ship-dragging dredging method and the like. The diversion dike sand control method mainly comprises the steps of enclosing a wharf by an enclosing dike, changing the flow direction of a tidal field and blocking silt outside the wharf, but the method is only suitable for the initial construction stage of the wharf, is not suitable for the constructed wharf, needs to occupy a large sea area, and is high in construction cost. The other three methods all require the use of a dredger, but work can only be carried out by additionally assembling smaller vessels, since the foundation piles of the wharf are relatively dense and some wharfs still do not meet the height requirement of the dredger for entering behind the wharf under low tide. For wharfs with serious rear silting or large rear range, the method consumes a large amount of manpower, material resources and financial resources, can not solve the problems fundamentally, and silt is desilted again after a period of time, and is required to be desilted again.

The conventional method is generally used for dredging at regular intervals, and dredging treatment needs to be carried out again at intervals, so that the problem of back dredging behind a wharf cannot be solved well and fundamentally. Therefore, it is urgent to design a novel system for fundamentally solving the problem of silt back-silting behind the wharf.

SUMMERY OF THE UTILITY MODEL

The utility model provides a need regularly desilting, consume relevant problems such as the inconvenience that a large amount of manpower and materials and financial resources, desilting time are longer, construction that exist to the method that the tradition is used for pier rear desilting, the utility model provides an inflatable rubber dam dashes arranges husky system is applied to and has established pier berth rear to the realization produces towards the row effect to silt in the tide in-process that rises. This rubber dam washes sand discharging system not only can realize the washing away of near silt of depositing of pier back edge, and the structural arrangement is simple and convenient moreover, can dismantle after accomplishing the operation.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

an inflatable rubber dam sand flushing and discharging system for preventing silting behind a high-pile wharf comprises an anchor rod, a bottom plate, a fixed anchor, an inflatable rubber dam, an inflation pipeline, a barometer, an inflation valve and an air pump;

the anchor rod is driven into the bottom bed and is used for bearing the fluid force borne by the inflatable rubber dam; the bottom plate is used for connecting the anchor rod and the fixed anchor; one end of the inflatable rubber dam is connected with the bottom plate through a fixed anchor, and the fluid force borne by the inflatable rubber dam is transmitted to the anchor rod; the other end of the inflatable rubber dam is connected with an air pump arranged on a seawall at the rear through an inflation pipeline, and inflation can be achieved to increase the flow speed of water flow near the top of the inflatable rubber dam.

In the above technical scheme, further, the anchor rod uses the inflatable rubber dam as a symmetry axis, and two anchor rods are respectively arranged on two sides of the anchor rod and are respectively used for resisting fluid force applied to the inflatable rubber dam during flood tide and tide fall.

Furthermore, the bottom plate is rigidly connected with the anchor rod, and the bottom plate is also provided with a ring buckle for connecting and fixing the anchor.

Furthermore, the barometer is arranged on the inflation pipeline and used for monitoring the air pressure in the inflatable rubber dam.

Further, the inflation valve is arranged on the inflation pipeline and used for controlling the processes of inflation and deflation.

The design principle of the utility model is that:

the utility model discloses an arrange the inflatable rubber dam at the pier rear, the application restraints the theory of water towards sand, at the morning and evening tides in-process that rises and falls the tide, has reduced the cross section area that flows of coast to increased the velocity of flow of rivers between the border pile foundation behind inflatable rubber dam crest and the pier, realized the washing away to the bed silt.

The utility model discloses the beneficial effect that the device has does:

(1) and (4) economy. The utility model discloses the device selects the rubber dam as the carrier, and raw and other materials easily acquire the transportation, compares with traditional reinforced concrete structure, and the input cost is little.

(2) And (4) portability. The utility model discloses the device can be arranged in the place that need prevent becoming silted up, accomplishes the operation back, can be through the gas of gas piping in with inflatable rubber dam progressively discharge, dismantle.

(3) And (4) safety. The utility model discloses device major structure inflatable rubber dam passes through the anchorage and links to each other with the bottom plate, guarantees that inflatable rubber dam does not produce obvious displacement, can not construct into the potential safety hazard to the wharf knot.

Drawings

FIG. 1 is a schematic diagram of a system of the present invention used behind a high-piled wharf;

FIG. 2 is a schematic view of the connection between the anchor and the base plate according to the present invention;

wherein: 1. an anchor rod; 2. a base plate; 3. fixing an anchor; 4. an inflatable rubber dam; 5. an inflation conduit; 6. a barometer; 7. an inflation valve; 8. an air pump.

Detailed Description

The following detailed description of the present invention is made with reference to the accompanying drawings:

fig. 1 shows that the utility model discloses an inflatable rubber dam dashes desilting system for preventing silting behind high stake pier, including stock 1, bottom plate 2, anchor 3, inflatable rubber dam 4, gas tube 5, barometer 6, inflation valve 7 and air pump 8. The anchor rod 1 is fixed on the bottom bed, the bottom plate 2 is arranged at the top of the anchor rod 1, the fixed anchor 3 is connected with the bottom plate 2 and the inflatable rubber dam 4, the inflatable pipeline 5 is connected with the inflatable rubber dam 4 and the air pump 8, and the barometer 6 and the inflation valve 7 are arranged near the inflatable pipeline 5 close to the air pump 8.

The anchor rod 1 takes the inflatable rubber dam 4 as a symmetry axis, two anchor rods are respectively arranged at two sides and are respectively used for resisting the fluid force borne by the inflatable rubber dam 4 during flood tide and tide fall. The base plate 2 is rigidly connected with the anchor rod 1, and the base plate 2 is also provided with a ring buckle for connecting a fixed anchor 3. The barometer 6 is arranged on the inflation pipeline 5 and used for monitoring the air pressure in the inflatable rubber dam 4. The inflation valve 7 is arranged on the inflation pipeline 5 and used for controlling the processes of inflation and deflation.

Fig. 2 is a schematic view showing the connection between the buckle on the bottom plate 2 and the anchor 3.

The embodiment of the utility model provides an utilize the portability of inflatable rubber dam, the application is restrainted water and is washed the theory of sand, arranges length at the pier rear and for the inflatable rubber dam of half of approach bridge length, and inflatable rubber dam crest is located the approach bridge midpoint department, and the other end meets with the seawall, aerifys inflatable rubber dam through arranging the air pump on the rear seawall, reaches the effect of traditional dykes and dams. Because the dam body reduces the area of the water passing section, the flow velocity of water flow in the area between the top of the inflatable rubber dam and the rear edge of the wharf is increased, the scouring effect is generated on the bottom bed, and the lateral soil pressure borne by the pile foundation is reduced. After the work is finished, the dam bag can be collapsed through gradual air exhaust, and the dam bag is recycled. The utility model provides a ubiquitous silt of pier rear back silting up and the inconvenient scheduling problem of construction.

The utility model discloses an inflatable rubber dam dashes row's husky system for silt is prevented at high stake pier rear, its concrete working process as follows:

the anchor rods 1 with the bottom plates 2 at the tops are driven into a bottom bed at the rear of a wharf needing silt prevention, two anchor rods 1 are respectively arranged on two sides of the inflatable rubber dam 4 in consideration of two inflow directions of rising tide and falling tide, the length of the fixed anchor 3 is obtained through calculation, and the bottom plates 2 are connected with the inflatable rubber dam 4 in an uninflated state.

An inflation pipeline 5 and an air pump 8 are connected to the seawall behind the wharf, and an air pressure gauge 6 and an inflation valve 7 are arranged near the inflation pipeline 5 and the air pump 8.

Connecting the inflatable rubber dam 4 and the inflation channel 5 in an uninflated state, opening the inflation valve 7, injecting gas into the inflatable rubber dam 4 through the air pump 8, observing the display number in the barometer 6, and closing the inflation valve 7 and the air pump 8 after the display number is stable.

After the work is finished, the inflation valve 7 is opened, the air pump 8 is adjusted to exhaust air outwards, air in the inflatable rubber dam 4 is gradually pumped out, after the air is completely pumped out, the connection between the fixed anchor 3 and the inflatable rubber dam 4 is disconnected, and the inflatable rubber dam 4 is recovered.

The above-mentioned specific implementation method is used for explaining the present invention, not limiting the protection scope of the present invention, and various modifications or sleeves made according to the above-mentioned specific implementation method are all within the protection scope of the present invention.

Claims

1. The utility model provides a inflatable rubber dam is washed and is arranged husky system for preventing silt behind high stake pier which characterized in that: comprises an anchor rod (1), a bottom plate (2), a fixed anchor (3), an inflatable rubber dam (4), an inflatable pipeline (5), a barometer (6), an inflation valve (7) and an air pump (8);

the anchor rod (1) is driven into the bottom bed and is used for bearing the fluid force borne by the inflatable rubber dam (4); the bottom plate (2) is used for connecting the anchor rod (1) with the fixed anchor (3); one end of the inflatable rubber dam (4) is connected with the bottom plate (2) through the fixed anchor (3) to transmit the fluid force borne by the inflatable rubber dam to the anchor rod (1); the other end of the inflatable rubber dam (4) is connected with an air pump (8) arranged on a seawall at the rear through an inflation pipeline (5), and inflation expansion can be realized to increase the flow velocity of water flow near the dam top of the inflatable rubber dam (4).

2. The inflatable rubber dam sand flushing and discharging system for preventing silting behind the high-piled wharf as claimed in claim 1, wherein: the anchor rod (1) takes the inflatable rubber dam (4) as a symmetry axis, two anchor rods are respectively arranged on two sides of the anchor rod and are respectively used for resisting the fluid force borne by the inflatable rubber dam (4) during flood tide and tide fall.

3. The inflatable rubber dam sand flushing and discharging system for preventing silting behind the high-piled wharf as claimed in claim 1, wherein: the base plate (2) is rigidly connected with the anchor rod (1), and the base plate (2) is also provided with a ring buckle for connecting the fixed anchor (3).

4. The inflatable rubber dam sand flushing and discharging system for preventing silting behind the high-piled wharf as claimed in claim 1, wherein: the barometer (6) is arranged on the inflation pipeline (5) and used for monitoring the air pressure in the inflatable rubber dam (4).

5. The inflatable rubber dam sand flushing and discharging system for preventing silting behind the high-piled wharf as claimed in claim 1, wherein: the inflation valve (7) is arranged on the inflation pipeline (5) and used for controlling the processes of inflation and deflation.