CN218969920U - Sand washing device suitable for gate bottom ridge or gate downstream side - Google Patents

Abstract

The utility model provides a sand washing device suitable for a gate bottom ridge or a gate downstream side, which comprises a bearing beam capable of being embedded into a gate groove of a hydropower station and a siltation cleaning part arranged in the bearing beam; two ends of the bearing beam are provided with embedded parts which can be matched with gate grooves of the hydropower station gate; a suspension connection structure is arranged on the bearing beam; the siltation clearance portion including set up in the back rest bar bottom and slope towards the processing piece of low reaches, just the processing piece by the back rest bar provides support, the processing piece is the state of clearing up to the silt of door tank bottom bank or gate low reaches side. The utility model can effectively solve the engineering problems that sediment is easily deposited on the gate groove or the downstream side of the gate during the running of the hydropower station due to the proximity of the gate groove bottom ridge of the hydropower station and the elevation of the river bed in the river section with a plurality of sediment, and the opening and closing of the gate and the normal running of the hydropower station are affected.

Description

Sand washing device suitable for gate bottom ridge or gate downstream side

Technical Field

The utility model relates to the technical field of gates, in particular to a sand washing device suitable for a gate bottom ridge or the downstream side of a gate.

Background

Because in the section of flowing of many silt rivers, hydropower station gate tank bottom bank is close with the riverbed elevation, during operation, gate groove or gate downstream side extremely easily silts up silt, influences the opening and shutting of gate, and then influences the normal operating of hydropower station. Under the condition that sediment is deposited at the bottom sill of the gate, the frogman is usually used for carrying out underwater operation at regular intervals, the deposited sediment is cleaned, on one hand, the underwater operation is influenced by the environment, the difficulty is high, and on the other hand, the cost is high. In addition, in the prior art, although the influence of sediment accumulation on the downstream side of the gate on the opening and closing of the gate is solved by designing the gate, the problem of sediment accumulation at the bottom of a gate groove cannot be effectively solved.

Disclosure of Invention

The utility model aims to provide a sand washing device capable of reducing the difficulty of sediment cleaning and improving the cleaning efficiency.

For this purpose, the utility model adopts the following technical scheme:

the sand washing device suitable for the bottom ridge of the gate or the downstream side of the gate comprises a bearing beam which can be embedded into the gate groove of the hydropower station gate and a siltation cleaning part arranged in the bearing beam; two ends of the bearing beam are provided with embedded parts which can be matched with gate grooves of the hydropower station gate; a suspension connection structure is arranged on the bearing beam; the siltation clearance portion including set up in the back rest bar bottom and slope towards the processing piece of low reaches, just the processing piece by the back rest bar provides support, the processing piece is the state of clearing up to the silt of door tank bottom bank or gate low reaches side.

Further: and a monitor is arranged at the bottom of the bearing beam.

Further: the treatment piece is a sweeping type nozzle, and the deposited sediment is cleaned through high-pressure water impact.

Further: the fouling cleaning part comprises a pressure water pipe communicated with the inside of the treatment piece.

Further: an elbow pipe is connected between the pressure water pipe and the treatment piece; the treatment element is directed to the downstream side by the elbow pipe.

Further: and a supporting seat is connected between the bearing beam and the elbow pipe.

Further: and a suspender is arranged at the top of the bearing beam.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model can effectively solve the engineering problems that sediment is easily deposited on the gate groove or the downstream side of the gate during the running of the hydropower station due to the proximity of the gate groove bottom ridge of the hydropower station and the elevation of the river bed in the river section with a plurality of sediment, and the opening and closing of the gate and the normal running of the hydropower station are affected. Meanwhile, the high-pressure water is expanded from a single point to a line-segment type spraying and sweeping through the treatment piece, so that the sediment cleaning difficulty is reduced, the sediment cleaning efficiency is improved, and the engineering investment in the operation period is effectively saved. In addition, the utility model does not need to carry out underwater operation by frogman in the prior art to clean deposited sediment, thereby reducing the safety risk.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic front view of a fouling cleaning section according to the present utility model;

fig. 3 is a schematic right-side view of the supporting seat 7 of the present utility model;

fig. 4 is a right-side view of the support base 7 of the present utility model.

The marks in the drawings are: a load beam 1; a fitting portion 11; a suspension beam 12; a rotating shaft 2; a pressure water pipe 3; a shunt tube 31; a boom 4; a treatment member 5; a monitor 6; a support base 7; an outer ring sleeve 8.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

As shown in fig. 1-3, a sand washing device suitable for a gate sill or a gate downstream side comprises a bearing beam 1 capable of being embedded in a gate slot of a hydropower station and a silting cleaning part arranged in the bearing beam 1; two ends of the bearing beam 1 are provided with embedded parts 11 which can be matched with gate grooves of the hydropower station; a suspension connection structure is arranged on the bearing beam 1; the siltation cleaning part comprises a treatment piece 5 arranged in the carrier beam 1, the treatment piece 5 is supported by the carrier beam 1, and the treatment piece 5 is in a cleaning state for sediment at the bottom of a gate sill or at the downstream side of the gate.

In this embodiment, the width of the fitting portion 11 is smaller than 5-10cm of the width of the door slot. Meanwhile, the length of the bearing beam 1 can be smaller than the length between the bottoms of the door slots at the two sides, so that the bearing beam 1 cannot be taken out from the door slots transversely. When the bearing beam 1 is placed in the door slot, two ends of the bearing beam 1 are connected through the hanging rods 4 by using a door machine or an automobile crane to form an inclined shape, and the bearing beam 1 is placed in the door slot and then is righted through the door machine or the automobile crane, so that the embedded parts 11 at two ends of the bearing beam can be placed in the door slot, and the embedded parts 11 play a guiding role when the height position of the bearing beam 1 in the door slot is adjusted. Through the connection of the suspension connection structure, the carrier beam 1 can be driven by a gantry crane or an automobile to gradually rise from bottom to top during dredging operation, and in the gradual rising height process, the flushing line of the treatment piece gradually expands downwards to form a siltation cleaning surface from the bottom of a hydropower station gate sill to a position, close to the gate, of the downstream of the gate.

In this embodiment, the carrier beam 1 is welded by section steel, and a hollow frame structure is formed between the section steel and the plurality of suspension beams 12 by the cross beams 14 and the vertical beams 13, and meanwhile, the carrier beam 1 is divided into a plurality of independent installation spaces by the cross beams 14 and the vertical beams 13, and the installation spaces are matched with the fouling cleaning parts, so that the number of the fouling cleaning parts can be adjusted according to the involved fouling cleaning range of the processing part 5 under the condition of the width of the gate slot of the actual hydropower station. The fitting portion 11 is formed on a side surface of the load beam 1 in a plane to be fitted in the gate groove.

As shown in fig. 1, a monitor 6 is provided at the bottom of the load beam 1. The monitor 6 can be provided with a plurality of monitors and is distributed on the suspension beams 12 close to the downstream direction, and the monitor 6 adopts a camera to carry out remote monitoring so as to know the condition of cleaning the underwater deposited sand in real time.

As shown in fig. 1-4, the treatment element 5 is provided as a scanning nozzle, the water outlet end of which is inclined in the downstream direction, and the deposited silt is cleaned by high-pressure water impact.

In this embodiment, the number of fouling cleaning sections is four. Meanwhile, the treatment pieces 5 adopt duckbill spray heads, as shown in fig. 1-4, the duckbill spray heads are flat spray nozzles and are in shovel-type diffusion shapes, so that high-pressure water supplied by the elbow pipe 2 is expanded into line segments from points, line segment type spraying and sweeping with enlarged length are performed, a plurality of treatment pieces 5 can be arranged in a single siltation cleaning part, and are optimally distributed at equal intervals between adjacent treatment pieces 5, and the quantity of the treatment pieces is adjusted according to the spraying range of the duckbill spray heads, so that the line segment type spraying and sweeping connection is realized as spraying and sweeping of a whole line in the whole gate width range, but not point type spraying.

The processing piece 5 that the line segment sprayed forms the high-pressure water impact of plane scope after the combination, simultaneously under the cooperation and the combined action of multiunit siltation clearance portion, form through processing piece 5 to gate tank bottom bank or gate downstream side with the silt that silts between the one side carry out the sand washing simultaneously to ensure gate tank bottom bank or gate downstream side's silt together and discharge from the low reaches under the impact, avoid the silt to be in the high-pressure water impact time because of the recoil force that high-pressure water formed is scattered and can't effective clearance.

As shown in fig. 1-4, the fouling cleaning section comprises a penstock 3 communicating with the interior of the treatment element 5.

An elbow pipe 2 is connected between the pressure water pipe 3 and the treatment piece 5; the treatment element 5 is directed downstream by the elbow pipe 2. The end of the pressure water pipe 3 far away from the processing piece 5 is matched with a water pump in the hydropower station. The elbow portion of the elbow pipe 2 faces the gate bottom ridge or the gate downstream side.

In this embodiment, according to the above, the number of the processing members 5 is plural, so that the shunt tubes 31 are connected between the pressure water pipe 3 and the plurality of elbow pipes 2, and the elbow pipes 2 and the shunt tubes 31 are welded and connected by the steel pipes. The inner diameter of the pressurized water pipe 3 is smaller than that of the elbow pipes 2, so that the high-pressure water split through the elbow pipes 2 can have an impact effect on sediment during injection.

As shown in fig. 1-4, a supporting seat 7 is connected between the load beam 1 and the elbow pipe 2. The supporting seat 7 is arranged at the bottom in the carrier beam 1, the elbow pipe 2 is provided with an outer ring pipe sleeve 8 connected with the supporting seat 7, and the outer ring pipe sleeve 8 is mainly arranged at the joint of the elbow part of the elbow pipe 2 and the treatment piece 5, so that the reaction force generated when the treatment piece 5 is sprayed is slowed down, and the shaking of the carrier beam 1 is avoided. The outer ring sleeve 8 is made of steel pipe.

In this embodiment, the supporting seat 7 may be connected by a steel plate or a lacing wire. When the steel plate is used for stabilization, the steel plate is laid between the cross beams 14 on both sides of the fouling cleaning section in the direction of the suspension beam 12, the width of which is larger than the width of the outer ring pipe sleeve 8, and the outer ring pipe sleeves 8 on the plurality of elbow pipes 2 are welded simultaneously. When the tie bars are adopted for stabilization, the tie bars are welded and connected with the outer surfaces of the outer ring pipe sleeves 8 on the two sides in a crossing manner, and extend towards the direction of the elbow pipe 2 from the junction of the suspension beam 12, the cross beam 14 and the vertical beam 13, and the outer ring pipe sleeves 8 in the middle are welded and connected through the tie bars arranged along the direction of the suspension beam 12.

As shown in fig. 1, a boom 4 is provided on top of the load beam 1. The suspension rods 4 are provided in several numbers and distributed at the interface of the suspension beams 12 with the cross beams 14 and the vertical beams 13.

Referring to fig. 1-3, when sand is washed from the bottom of a gate sill of a hydropower station gate or silt deposited on the downstream side of the gate, the concrete treatment method is as follows:

before sand washing, the gate is lifted, the two ends of the bearing beam 1 are connected through the hanging rods 4 by using the door machine or the automobile crane, the bearing beam 1 is inclined, the bearing beam extends into the lower part of the gate through the door machine or the automobile crane, the embedded part 11 at one end of the bearing beam is placed into the gate slot, and then the bearing beam 1 is aligned in the gate through the door machine or the automobile crane, so that the embedded parts 11 at the two ends of the bearing beam can be placed into the gate slot. The carrier beam 1 is lifted to a sill sediment accumulation position along the center of a door slot by utilizing the lifting work of a door machine or an automobile crane until the carrier beam 1 is lifted to a height position in a sand washing range, and the carrier beam 1 is suspended and parked in the height range in which sand washing of the door slot bottom sill is performed by stopping the movement of the door machine or the automobile crane to the carrier beam 1; when sand is washed out of the downstream side of the gate, the carrier beam 1 is gradually lifted from bottom to top through the door machine or the truck crane, so that the sediment cleaning conversion from the bottom of the gate sill of the hydropower station to the position close to the gate downstream of the gate is formed, and the sediment cleaning conversion can also hover when the sand is washed out of the downstream side of the gate to increase the sediment removal degree of the downstream side of the gate.

When the sediment is flushed, the treatment pieces 5 are started, so that high-pressure water is sprayed at the sediment accumulation position at the downstream of the gate bottom ridge or the gate, and the sediment is sprayed and swept along the lengthened line segment of the sediment after being matched according to the treatment pieces 5, so that the sediment received at the downstream side of the gate bottom ridge or the gate is discharged from the downstream after being impacted. Meanwhile, the condition of cleaning the deposited sand under water is known in real time by remote monitoring according to the monitor 6, so that the flushing of the deposited sand at the bottom of the gate sill or at the downstream of the gate is completed in all aspects, and the gate can be ensured to normally open and close.

The above embodiment is only one preferred technical solution of the present utility model, and it should be understood by those skilled in the art that modifications and substitutions can be made to the technical solution or parameters in the embodiment without departing from the principle and essence of the present utility model, and all the modifications and substitutions are covered in the protection scope of the present utility model.

Claims (7)

1. Sand washing device suitable for gate tank bottom bank or gate downstream side, its characterized in that: the device comprises a bearing beam (1) which can be embedded into a gate slot of a hydropower station and a siltation cleaning part arranged in the bearing beam (1);

two ends of the bearing beam (1) are provided with embedded parts (11) which can be matched with gate grooves of the hydropower station gate;

a suspension connection structure is arranged on the bearing beam (1);

the siltation clearance portion including set up in carrier beam (1) bottom and slope towards processing piece (5) of low reaches, just processing piece (5) by carrier beam (1) provide the support, processing piece (5) are the state of clearing up to the silt of gate tank bottom bank or gate low reaches side.

2. A sand washing apparatus adapted for use on a gate sill or downstream side of a gate as claimed in claim 1, wherein: and a monitor (6) is arranged at the bottom of the bearing beam (1).

3. A sand washing apparatus adapted for use on a gate sill or downstream side of a gate as claimed in claim 1, wherein: the treatment piece (5) is a sweeping type nozzle, and the deposited sediment is cleaned through high-pressure water impact.

4. A sand washing apparatus adapted for use on a gate sill or downstream side of a gate as claimed in claim 1, wherein: the fouling cleaning part comprises a pressure water pipe (3) communicated with the inside of the treatment piece (5).

5. The sand washing device for a gate sill or a gate downstream side as claimed in claim 4, wherein: an elbow pipe (2) is connected between the pressure water pipe (3) and the treatment piece (5); the treatment element (5) is directed downstream by means of the elbow pipe (2).

6. A sand washing apparatus for a gate sill or a downstream side of a gate as claimed in claim 5, wherein: a supporting seat (7) is connected between the bearing beam (1) and the elbow pipe (2).

7. A sand washing apparatus adapted for use on a gate sill or downstream side of a gate as claimed in claim 1, wherein: the suspension connection structure comprises a suspension rod (4) arranged at the top of the bearing beam (1).

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