CN114481973B

CN114481973B - Hydraulic engineering hydrophobic structure

Info

Publication number: CN114481973B
Application number: CN202210157770.1A
Authority: CN
Inventors: 陶攀; 万柳明; 张东锋; 曹明伟; 徐梓斐
Original assignee: Yellow River Conservancy Technical Institute
Current assignee: Yellow River Conservancy Technical Institute
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-11-29
Anticipated expiration: 2042-02-21
Also published as: CN114481973A

Abstract

The invention relates to the technical field of hydraulic engineering devices, in particular to a hydraulic engineering drainage structure. Comprises a flood discharge groove arranged on a dam body; the outer frame is embedded in the flood discharge groove, a plurality of groups of guide grooves are vertically arranged on the inner wall of the outer frame, and a plurality of slots are arranged at the bottom of the outer frame; each group of guide grooves is internally connected with a flashboard in a sliding way, the bottom end of each flashboard can be embedded with an inserting groove, a plurality of flashboards are arranged downwards along the water outlet direction in a stepped way, and intervals are formed between every two adjacent flashboards and become smaller in sequence; the traction mechanism comprises a vertical first telescopic device, a hinge and a plurality of support rods, wherein the hinge is arranged on the outer frame and is vertical to the flashboards, the support rods are arranged in parallel, the bottom ends of the support rods are hinged with the top ends of the flashboards, the top ends of the support rods are connected with the outer frame through the hinge, the support rods can rotate around the hinge, the top ends of the first telescopic devices are fixedly connected with the top end of the outer frame, and the bottom ends of the first telescopic devices are fixedly connected with the top of any one flashboard; the invention can slow down the horizontal impact caused by the inertia of water flow.

Description

Hydraulic engineering hydrophobic structure

Technical Field

The invention relates to the technical field of hydraulic engineering devices, in particular to a hydraulic engineering drainage structure.

Background

Hydraulic engineering is produced with the main purpose of eliminating the water damage, only builds hydraulic engineering, just can control rivers, prevents the flood calamity to adjust and distribute the water yield, just must use hydrophobic structure wherein, just like water conservancy flashboard is the hydrophobic structure who uses commonly. However, the existing water conservancy flashboard has no buffering function, when the water conservancy flashboard is opened in flood discharge, the speed of outlet water is changed rapidly, and the horizontal impact force of water flow inertia easily causes damage to the flashboard and a dam body.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a hydraulic engineering hydrophobic structure.

The invention relates to a hydraulic engineering hydrophobic structure, which comprises:

the flood discharge groove is arranged on the dam body;

the outer frame is embedded in the flood discharge groove, a plurality of groups of guide grooves are vertically arranged on the inner wall of the outer frame, and a plurality of slots are formed in the bottom of the outer frame; each group of guide grooves is internally and slidably connected with a flashboard, the bottom end of each flashboard can be embedded into one slot, and the flashboards are arranged downwards along the water outlet direction in a stepped manner;

the traction mechanism comprises a vertical first telescopic device, a hinge and a plurality of support rods, wherein the hinge is arranged on the outer frame and is vertical to the flashboards, the support rods are arranged in parallel, the bottom ends of the support rods are hinged with the top ends of the flashboards, the top ends of the support rods are connected with the outer frame through the hinge, the support rods can rotate around the hinge, the top ends of the first telescopic devices are fixedly connected with the top end of the outer frame, and the bottom ends of the first telescopic devices are fixedly connected with the top of any one of the flashboards.

Further, adjacent flashboards are provided with intervals, and the intervals are gradually reduced from the downward direction of the ladder. Furthermore, the plane of the slot is arranged obliquely downwards along the water outlet direction.

Furthermore, a filter screen for intercepting floating objects is further arranged at the inlet of the flood discharge groove, and the vertical section of the filter screen is L-shaped.

Furthermore, still be provided with tilting mechanism between the filter screen with the flood discharge groove for with the filter screen upset is rotatory to the level, and it includes:

the front end is a water inlet end;

one side of the vertical sliding rail is hinged to the front end of the top of the shell;

the sliding strip is connected in the sliding rail in a sliding manner and is fixedly arranged on the back of the filter screen;

the first end of the bent rod is hinged with the bottom end of the sliding strip, and the second end of the bent rod is rotatably connected to the side wall of the shell;

and the power mechanism is used for driving the bent rod to rotate by taking the second end of the bent rod as a circle center.

Further, the power mechanism comprises:

one side of the gear is fixedly connected with the second end of the bent rod;

a rack engaged with the gear;

and the end part of the second telescopic device fixedly connected to the outer frame is connected with the end part of the rack.

Furthermore, the bent part of the bent rod protrudes in a direction away from the filter screen.

Furthermore, the first telescopic device and the second telescopic device are both electric hydraulic rods.

The invention has the following beneficial effects:

1) The hydraulic engineering drainage structure is arranged in a dam body of a river channel, when drainage is needed, the first telescopic device drives the plurality of gate plates to be opened synchronously, the gate plates are arranged in a step-down mode, the gate plates located in the water outlet direction sequentially and partially block inflowing water, the intervals between adjacent gate plates are sequentially reduced, horizontal impact caused by water flow speed and inertia can be reduced, meanwhile, a part of horizontal acting force can be decomposed when water flows downwards along the step, and damage to the gate plates and the dam body is reduced.

2) The filter screen can intercept the floater when hydrophobic, prevents to block up, and when the flashboard was closed, overturn the filter screen to the casing top through tilting mechanism, and the staff of being convenient for clears up.

Drawings

Fig. 1 is a side cross-sectional view of a hydraulic engineering hydrophobic structure according to example 1 of the present invention.

Fig. 2 is a front view of a part of a hydraulic engineering hydrophobic structure according to example 1 of the present invention.

Fig. 3 is a side cross-sectional view of a hydraulic engineering hydrophobic structure of example 2 of the present invention.

In the figure, 1-flood discharge groove, 2-outer frame, 3-flashboard, 4-first telescopic device, 5-hinge, 6-brace rod, 7-filter screen, 8-shell, 9-gear, 10-rack, 11-second telescopic device, 12-slide rail, 13-slide bar and 14-bent rod.

Detailed Description

The invention is described in detail below with reference to the figures and the specific embodiments, but the invention should not be construed as being limited thereto. The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Example 1

Referring to fig. 1-2, a hydraulic engineering hydrophobic structure of the present embodiment includes:

a flood discharge groove 1 arranged on the dam body;

the outer frame 2 is embedded in the flood discharge groove 1, three groups of guide grooves are vertically arranged on the inner wall of the outer frame 2, and three slots are formed in the bottom of the outer frame 2; each group of guide grooves is internally and slidably connected with a flashboard 3, the bottom end of each flashboard 3 can be embedded with one slot, the three flashboards 3 are arranged downwards along the water outlet direction in a stepped manner, and the adjacent flashboards 3 are spaced and sequentially reduced; in other embodiments, the number of the gate plates 3 may be greater than three, the downstream gate plate 3 may buffer and block the water flow flowing out from the upstream gate plate 3, so as to prevent the water flow from being too fast and too large in inertia, the larger the number of the gate plates 3, the smaller the interval, the better the buffering effect, but the bottom end of the upstream gate plate 3 is generally not higher than the water storage level, and if the number of the gate plates 3 is too large, the interval is too large, the bottom end of the upstream gate plate 3 is higher than the water storage level, and therefore, the number and the interval of the gate plates 3 need to be set according to actual conditions.

A drive mechanism for going up and down a plurality of flashboards simultaneously, it includes first telescoping device 4 of vertically, set up on frame 2, with flashboard 3 vertically hinge 5, and a plurality of parallel arrangement's vaulting pole 6, the bottom of vaulting pole 6 is articulated with the top of flashboard 3, hinge 5 is passed through on the top of vaulting pole 6 and is linked to each other with frame 2, vaulting pole 6 can rotate around hinge 5, the top of first telescoping device 4 and the top rigid coupling of frame 2, the bottom and the top rigid coupling of arbitrary flashboard 3. In this embodiment, the first telescopic device 4 is an electro-hydraulic rod, and is configured such that when the first telescopic device 4 contracts, any one of the gate plates 3 is driven to ascend, the support rods 6 connected to the gate plate 3 rotate around the hinges 5, and all the support rods 6 are always parallel, so that all the support rods 6 synchronously rotate to lift the gate plate 3 upwards, and as the support rods 6 are longer and the linear speed is higher, the bottom ends of the gate plates 3 are finally located on the same horizontal plane, and the gate plates 3 are slowly opened by controlling the first telescopic device 4 to slowly expand and contract, thereby preventing the rapid change of the water flow speed.

In this embodiment, the plane of slot place sets up along the slope of water direction downwards, so set up, can prevent that silt from solidifying, makes the gate can not close closely.

Example 2

Referring to fig. 3, on the basis of embodiment 1, a turnover mechanism is further disposed between the filter screen 7 and the flood discharge trough 1, and is used for turning over and rotating the filter screen 7 to a horizontal turnover mechanism, and the turnover mechanism includes:

a shell 8 with openings at the front end and the rear end, and the front end is a water inlet end;

a vertical slide rail 12 with one side hinged to the front end of the top of the shell 8;

a slide bar 13 connected in the slide rail 12 in a sliding way and fixedly arranged at the back of the filter screen 7;

a first end of the bent rod 14 is hinged with the bottom end of the slide bar 13, and a second end is rotatably connected with the side wall of the shell 8; the bend of the bent rod 14 protrudes in a direction away from the filter screen 7;

the power mechanism for driving the bending rod 14 to rotate by taking the second end as the center of circle comprises: a gear 9, one side of which is fixedly connected with the second end of the bent rod 14; a rack 10 engaged with the gear 9; and a second telescopic device 11 fixedly connected to the outer frame 2, wherein an end part of the second telescopic device is connected with an end part of the rack 10.

When retaining, filter screen 7 sets up as the state of fig. 3, when hydrophobic, a large amount of floaters follow water flow and walk downwards, filter screen 7 can be with its interception, avoid its polluted environment, finish when hydrophobic, close flashboard 3 back, accessible control second telescoping device 11 contracts, rack 10 horizontal migration, drive gear 9 and knee lever 14 rotate, knee lever 14 is with draw runner 13 anticlockwise rotation, make slide rail 12 also synchronous rotation, until turning to the level with draw runner 13, draw runner 13 slides to 8 tops of casing simultaneously, the staff alright conveniently clear up the floaters.

In addition, the first expansion device 4 and the second expansion device 11 of embodiment 1 are both electro-hydraulic rods

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A hydraulic engineering hydrophobic structure, comprising:

a flood discharge groove (1) arranged on the dam body;

the flood discharge device comprises an outer frame (2) embedded in the flood discharge groove (1), wherein a plurality of groups of guide grooves are vertically formed in the inner wall of the outer frame (2), and a plurality of inserting grooves are formed in the bottom of the outer frame (2); each group of guide grooves is internally and slidably connected with a flashboard (3), the bottom end of each flashboard (3) can be embedded into one slot, and the flashboards (3) are arranged downwards along the water outlet direction in a stepped manner;

be used for going up and down a plurality of simultaneously the drive mechanism of flashboard, it includes first telescoping device of vertically (4), sets up frame (2) on, with flashboard (3) vertically hinge (5) to and a plurality of parallel arrangement's vaulting pole (6), the bottom of vaulting pole (6) with the top of flashboard (3) is articulated, the top of vaulting pole (6) is passed through hinge (5) with frame (2) link to each other, vaulting pole (6) can rotate around hinge (5), the top of first telescoping device (4) with the top rigid coupling bottom and the arbitrary one of frame (2) the top rigid coupling of flashboard (3).

2. The hydraulic engineering drainage structure as claimed in claim 1, wherein adjacent shutters (3) have intervals therebetween, and the intervals become smaller in sequence from a step downward direction.

3. The hydraulic engineering hydrophobic structure of claim 1, wherein the plane of the slot is inclined downward along the water outlet direction.

4. The hydrophobic structure for water conservancy projects according to claim 1, wherein a filter screen (7) for intercepting floating objects is further arranged at the inlet of the flood discharge trough (1), and the vertical section of the filter screen (7) is L-shaped.

5. The hydrophobic structure for water conservancy projects according to claim 4, characterized in that a turnover mechanism is further arranged between the filter screen (7) and the flood discharge trough (1) for turning and rotating the filter screen (7) to be horizontal, and the turnover mechanism comprises:

a shell (8) with openings at the front end and the rear end, wherein the front end is a water inlet end;

a vertical sliding rail (12) with one side hinged to the front end of the top of the shell (8);

the sliding strip (13) is connected in the sliding rail (12) in a sliding manner and is fixedly arranged at the back of the filter screen (7);

a bent rod (14), the first end of which is hinged with the bottom end of the slide bar (13), and the second end of which is rotatably connected with the side wall of the shell (8);

and the power mechanism is used for driving the bent rod (14) to rotate by taking the second end of the bent rod as a circle center.

6. The hydraulic engineering hydrophobic structure of claim 5, wherein the actuating mechanism comprises:

one side of the gear (9) is fixedly connected with the second end of the bent rod (14);

a rack (10) engaged with the gear (9);

and the end part of a second telescopic device (11) fixedly connected to the outer frame (2) is connected with the end part of the rack (10).

7. The hydraulic engineering hydrophobic structure of claim 6, wherein the bend of the bent rod (14) protrudes in a direction away from the filter screen (7).

8. The hydraulic engineering drainage structure according to claim 6, wherein the first telescopic device (4) and the second telescopic device (11) are both electro-hydraulic rods.