CN220685993U

CN220685993U - High water level amplitude-changing float blocking device

Info

Publication number: CN220685993U
Application number: CN202322210512.8U
Authority: CN
Inventors: 邓仕路; 张惠明
Original assignee: Dongfang Water Conservancy Intelligent Technology Co ltd
Current assignee: Dongfang Water Conservancy Intelligent Technology Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-03-29
Anticipated expiration: 2033-08-17

Abstract

The utility model relates to the technical field of water surface floater interception devices, in particular to a high-water-level amplitude-variable float interception device which comprises a float interception row, a chute and a pulley, wherein the chute is arranged on a dam body or a bank, and the pulley comprises a frame, a main wheel and side wheels; the main wheel is arranged in the chute and used for moving along the inner wall of the chute; the side wheels are located outside the sliding groove and are used for moving along the outer surface of the sliding groove. Through this blocking float device, can effectively solve the problem that the cost is high.

Description

High water level amplitude-changing float blocking device

Technical Field

The utility model relates to the technical field of water surface floater interception devices, in particular to a high-water-level amplitude-variable floater interception device.

Background

In hydraulic and hydroelectric engineering, especially in hydropower stations, the trash rack is used as a first barrier for the water inlet of the generator set, and the trash rack mainly has the function of intercepting floating matters in water and preventing the floating matters from flowing into the generator set through the water inlet. Once the trash rack is damaged, floaters enter the generator set, and immeasurable major accidents are caused. Therefore, besides the trash rack arranged at the water inlet, a certain distance is arranged in front of the trash rack, for a river channel or a reservoir area with large water level amplitude variation, the trash rack is usually designed to be movable, the movable type is that two ends of the trash rack are provided with a chute and a pulley, the pulley moves up and down along with the change of the water level in the chute, for a trash rack with high water level amplitude, namely, a trash rack with water level amplitude exceeding 20 meters, referring to the specification of fig. 4, the chute is usually buried in reinforced concrete, all wheels of the pulley are arranged in the chute, and the design is suitable and reasonable for the trash rack with long length and high tension, but for the trash rack with small length and low tension, if the traditional chute design and installation mode are adopted, the engineering quantity is large, and the manufacturing cost is quite uneconomical.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a high-water-level amplitude-variable float blocking device which can effectively solve the problem of high cost.

The utility model is realized by adopting the following technical scheme:

the high-water-level amplitude-variable float blocking device comprises a float blocking row, a chute and a pulley, wherein the chute is arranged on a dam body or a bank, and the pulley comprises a frame, a main wheel and side wheels; the main wheel is arranged in the chute and used for moving along the inner wall of the chute; the side wheels are located outside the sliding groove and are used for moving along the outer surface of the sliding groove.

The dam body or the bank is provided with a plurality of concrete piers which are arranged at intervals, and embedded parts which are used for being connected with the sliding grooves are arranged in the concrete piers.

And steel bars are further arranged in the concrete piers.

And the device also comprises a winch connected with the pulley.

And a machine room is arranged outside the winch.

The side wheels are provided with two groups and are respectively positioned at two sides of the chute.

Each set of side wheels includes at least two side wheels disposed in spaced relation.

The floating block row comprises floating block bodies and two end floating bodies which are respectively connected with two ends of the floating block bodies, and the other ends of the end floating bodies are connected with the pulleys.

A hanging net is arranged between the blocking floating body and the end floating body.

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

1. in the prior art, the main wheel and the side wheel of the pulley are uniformly distributed in the chute, so that the section size of the chute is large and the weight is heavy. In the utility model, the main wheel of the pulley is arranged in the chute and moves along the inner wall of the chute; the side wheels are positioned outside the sliding groove and move along the outer surface of the sliding groove, and the sectional size of the sliding groove can be greatly reduced by adopting the design mode, so that the weight of the sliding groove is greatly reduced. During installation, the engineering quantity is smaller, through the structural design, the use requirement of the high-water-level amplitude-variable interception device is met, the material cost and the installation cost can be reduced, the overall manufacturing cost is reduced, and the high-water-level amplitude-variable interception device is particularly suitable for use in use scenes with large water level amplitude, short length and small tension.

2. In the prior art, the sliding grooves are directly buried in the concrete on the dam body or the bank edge, the side slope is required to be trimmed firstly, then the steel bars and the sliding grooves are installed, finally the concrete is gradually poured according to the height direction of the sliding grooves, the engineering quantity of the side slope trimming and the consumption of the concrete are extremely large, and the project investment cost is high. In the utility model, because the weight of the chute is greatly reduced, the chute can be directly connected with the embedded parts in the concrete piers, and only a plurality of concrete piers are needed to be arranged on the whole dam body or the bank side, the chute can be firmly installed and fixed without greatly trimming the side slope. The concrete consumption and the slope trimming engineering amount are greatly reduced, so that the investment cost is greatly saved.

3. Still be equipped with the reinforcing bar in the concrete mound, be convenient for strengthen the stability of spout installation.

4. When maintenance is needed, the pulley can be driven by the winch to move along the chute, so that maintenance is more convenient.

5. The arrangement of the machine room can provide good protection effect for the winch and prolong the service life of the winch.

6. The side wheels are provided with two groups and are respectively positioned at two sides of the sliding groove, so that the pulley can be more stable when moving along the sliding groove.

7. Each set of side wheels includes at least two side wheels arranged at intervals so as to further increase the stability of the movement of the trolley.

8. A hanging net is further arranged between the blocking floating body and the end floating body, so that omnibearing floater interception is conveniently realized, and dead angles are avoided.

Drawings

The utility model will be described in further detail with reference to the drawings and detailed description, wherein:

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

FIG. 2 is an enlarged schematic view of the region B in the present utility model;

FIG. 3 is a schematic cross-sectional view of A-A of the present utility model;

FIG. 4 is a schematic view of a prior art arrangement of a runner and sled;

the marks in the figure:

1. the device comprises a chute, 2, a pulley, 3, a frame, 4, a main wheel, 5, a side wheel, 6, an embedded part, 7, a concrete pier, 8, a winch, 9, a machine room, 10, a blocking floating body, 11, an end floating body, 12 and a net.

Detailed Description

Example 1

As the basic implementation mode of the utility model, the utility model comprises a high-water-level amplitude-variable float blocking device which comprises a float blocking row, a chute 1 and a pulley 2. The specific fixing manner of the chute 1 is not limited in this embodiment, as long as the chute 1 is disposed on the dam body or the shore. The trolley 2 comprises a frame 3, main wheels 4 and side wheels 5. The main wheel 4 can be arranged in the middle of the frame 3 and inside the chute 1, and is attached to the inner wall of the chute 1. In this embodiment, the number of side wheels 5 in each pulley 2 is one, and the side wheels are located on one side of the frame 3 and are located outside the sliding groove 1, and are attached to the outer surface of the sliding groove 1. When the water level changes, the main wheel 4 of the pulley 2 moves up and down along the inner wall of the chute 1, and simultaneously, the side wheel 5 of the pulley 2 moves along the outer surface of the chute 1.

Example 2

As a preferred embodiment of the utility model, the utility model comprises a high-water-level amplitude-variable float blocking device, which comprises a float blocking row, a chute 1 and a pulley 2. The chute 1 can be pre-buried on the dam body or the bank edge. The pulley 2 comprises a frame 3, a main wheel 4 and two sets of side wheels. Each set of side wheels comprises one side wheel 5. The main wheel 4 is arranged inside the chute 1 and is used for moving along the inner wall of the chute 1. The two sets of side wheels are respectively positioned at two sides of the outside of the chute 1 and are used for moving along the outer surface of the chute 1.

For easy maintenance, a hoist 8 is also provided in connection with the trolley 2.

Example 3

As another preferred embodiment of the utility model, the utility model comprises a high-water-level amplitude-variable float blocking device which comprises a float blocking row, a chute 1 and a pulley 2. The dam body or the bank is provided with a plurality of concrete piers 7 which are arranged at intervals, and embedded parts 6 are arranged in the concrete piers 7. The sliding chute 1 is sequentially connected with the embedded part 6, so that the sliding chute 1 is finally arranged on a dam body or a bank.

The pulley 2 comprises a frame 3, a main wheel 4 and two sets of side wheels. The two sets of side wheels are respectively positioned at two sides of the main wheel 4, and each set of side wheels comprises three side wheels 5 which are arranged at intervals. Specifically, the main wheel 4 is arranged inside the chute 1 and is used for moving along the inner wall of the chute 1; the side wheels 5 are located outside the chute 1 for movement along the outer surface of the chute 1.

Example 4

As the best mode of the utility model, referring to the accompanying figure 1 of the specification and the accompanying figure 2 of the specification, the utility model comprises a high-water-level amplitude-variable float blocking device which comprises a winch 8, a float blocking row, a chute 1 and a pulley 2. The number of the pulleys 2 is two, and the pulleys are respectively connected with two ends of the float blocking row. The sliding grooves 1 are matched with the pulleys 2, so that the two pulleys 2 can move up and down along the corresponding sliding grooves 1.

Specifically, the chute 1 is arranged on a dam body or a bank, specifically, a plurality of concrete piers 7 arranged at intervals are arranged on the dam body or the bank, and embedded parts 6 are arranged in the concrete piers 7. And the concrete piers 7 are also provided with reinforcing bars therein so as to form reinforced concrete piers. The chute 1 can be directly welded with the embedded part 6 on site, so that the chute 1 is fixed.

Referring to figure 3 of the drawings, each sled comprises a frame 3, a main wheel 4 and side wheels 5. The side wheels 5 are provided with two groups which are respectively positioned at two sides of the main wheel 4, and each group of side wheels comprises two side wheels 5 which are arranged at intervals. The main wheel 4 is arranged inside the chute 1 and is attached to the inner wall of the chute 1, and the two groups of side wheels 5 are respectively positioned on two sides of the chute 1 and are positioned outside the chute 1 and attached to the outer surface of the chute 1.

The floating fence comprises floating fence bodies 10 and end floating fence bodies 11 positioned at two ends of the floating fence bodies 10, wherein the end floating fence bodies 11 can be connected with the floating fence bodies 10 through steel wires, and the other ends of the end floating fence bodies can be connected with the pulleys 2 through pull rods. Further, a hanging net 12 is arranged between the blocking floating body 10 and the end floating body 11. Specifically, one end of the net 12 may be disposed on the end floating body 11, and the other end may be disposed on the floating body 10.

And each frame 3 is also provided with a lifting lug, the winch 8 corresponds to the pulley 2 and can be arranged at the top of the dam body or the top of the bank, and the winch is connected with the lifting lug through a steel wire rope, so that when the maintenance is convenient, upward pulling force is provided for the pulley 2. In order to prolong the service life of the winch 8, a machine room 9 is arranged outside the winch 8.

When the water level changes, the main wheel 4 of the pulley 2 moves up and down along the inner wall of the chute 1, and simultaneously, the side wheel 5 of the pulley 2 moves along the outer surface of the chute 1.

In view of the foregoing, it will be appreciated by those skilled in the art that, after reading the present specification, various other modifications can be made in accordance with the technical scheme and concepts of the present utility model without the need for creative mental efforts, and the modifications are within the scope of the present utility model.

Claims

1. The utility model provides a high water level becomes width of cloth and blocks device that floats, includes and blocks that float row, spout (1) and coaster (2), spout (1) set up at dam body or bank edge, its characterized in that: the pulley (2) comprises a frame (3), a main wheel (4) and side wheels (5); the main wheel (4) is arranged inside the chute (1) and used for moving along the inner wall of the chute (1); the side wheels (5) are positioned outside the sliding groove (1) and are used for moving along the outer surface of the sliding groove (1).

2. The high water level amplitude-changing float blocking device according to claim 1, wherein: the dam body or the bank is provided with a plurality of concrete piers (7) which are arranged at intervals, and embedded parts (6) which are used for being connected with the sliding grooves (1) are arranged in the concrete piers (7).

3. The high water level amplitude-changing float blocking device according to claim 2, wherein: and steel bars are further arranged in the concrete piers (7).

4. The high water level amplitude-changing float blocking device according to claim 2, wherein: also comprises a windlass (8) connected with the pulley (2).

5. The high water level amplitude-changing float blocking device according to claim 4, wherein: and a machine room (9) is arranged outside the winch (8).

6. A high water level amplitude-changing float blocking device according to claim 3 or 4, wherein: the side wheels (5) are provided with two groups which are respectively positioned at two sides of the chute (1).

7. The high water level amplitude-changing float blocking device according to claim 6, wherein: each set of side wheels comprises at least two side wheels (5) arranged at intervals.

8. The high water level amplitude-changing float blocking device according to claim 2, wherein: the floating blocking row comprises a floating blocking body (10) and two end floating bodies (11) which are respectively connected with two ends of the floating blocking body (10), and the other ends of the end floating bodies (11) are connected with the pulley (2).

9. The high water level amplitude-changing float blocking device according to claim 8, wherein: a hanging net (12) is arranged between the blocking floating body (10) and the end floating body (11).