CN211596643U

CN211596643U - River course rivers test instrument of variable slope

Info

Publication number: CN211596643U
Application number: CN201821287325.2U
Authority: CN
Inventors: 赖永辉; 林芳莉; 唐妍; 林佳佳; 陈斐津
Original assignee: Guangdong Polytechnic of Water Resources and Electric Engineering Guangdong Water Resources and Electric Power Technical School
Current assignee: Guangdong Polytechnic of Water Resources and Electric Engineering Guangdong Water Resources and Electric Power Technical School
Priority date: 2018-08-09
Filing date: 2018-08-09
Publication date: 2020-09-29
Anticipated expiration: 2028-08-09

Abstract

The utility model discloses a river course water flow tester with variable slopes, which relates to the technical field of hydraulic and river model tests and comprises a frame, a water flow testing device and a water flow testing device, wherein the frame comprises two side frames positioned at two sides; the turnover platform is provided with a water flowing groove, the water flowing groove is provided with a water inlet and a water outlet, the water inlet is not lower than the water outlet, the turnover platform is hinged with the frame, and a passing groove for the rotation of the turnover platform is arranged between the two side frames; and the driving device drives the overturning platform to rotate. The utility model discloses simple structure simulates the rivers motion of different rivers, different river reach through the tye of variable slope, does not need to build solid model again at every turn, need not to adopt huge hydrologic cycle system and driving system like traditional river model, effectively reduces research cost, sparingly studies the engineering expense.

Description

River course rivers test instrument of variable slope

Technical Field

The utility model relates to a water conservancy project and river model test technical field, in particular to river course rivers test instrument of variable slope.

Background

When the engineering influence of relevant practical engineering is analyzed or relevant special research is carried out in the water conservancy community, the flow path, the track and the like of water flow movement under the conditions of water flow, river course evolution, flood evolution, vertical and horizontal erosion of rivers and the like are frequently subjected to fine testing. In the past, the physical model of a river model hall or a glass water tank test is mostly used for solving the test problem of the water flow motion flow path and the track. However, the above two research methods have certain disadvantages and shortcomings.

The river slope of the physical model is different at different river sections of different rivers, so that the river bed needs to be built by cement, mortar, concrete and other materials, and the physical model is built by using the river model hall, so that the engineering cost is high, the time consumption is long, and the material consumption is serious.

Although the experiment using the glass water tank can effectively solve the problem of the change of the river slope, the length of the water tank is often dozens of meters, the width is not more than a few meters, and for the meandering river with large curvature widely existing in the natural objective world, the simulation of the plane similarity is inconvenient, and the simulation of the series changes of horizontal brushing, top rushing, erosion, widening and the like of the water flow is difficult, so the applicability is not enough.

Disclosure of Invention

The utility model aims at providing a river course rivers tester of variable slope can solve the slope variable, satisfies the natural slope simulation problem that falls of different rivers, different river reach.

The technical scheme adopted for solving the technical problems is as follows:

river course rivers tester of variable slope includes

A frame including two side frames at both sides;

the turnover platform is provided with a water flowing groove, the water flowing groove is provided with a water inlet and a water outlet, the water inlet is not lower than the water outlet, the turnover platform is hinged with the frame, and a passing groove for the rotation of the turnover platform is arranged between the two side frames; and

and the driving device drives the overturning platform to rotate.

As a further improvement of the above technical solution, the driving device is an electric push rod, a base of the electric push rod is hinged to the frame, and an action end of the electric push rod is hinged to the turnover platform.

As a further improvement of the above technical solution, the frame further includes a bottom frame, and the two side frames are fixedly connected to two sides of the bottom frame.

As a further improvement of the technical scheme, rotating shafts are uniformly arranged on two sides of the middle of the overturning platform, and shaft holes for the rotating shafts to rotate are arranged on the side frames.

As a further improvement of the above technical solution, the overturning platform is arranged with a protractor.

As a further improvement of the technical scheme, at least three supporting foot assemblies are arranged at the bottom of the underframe, each supporting foot assembly comprises an adjusting rod with external threads and a supporting base installed at the lower end of the adjusting rod, and the underframe is provided with threaded holes for the adjusting rods to penetrate through.

As a further improvement of the above technical solution, the turnover platform is provided with a collecting tank, and the collecting tank is located at the water outlet of the gutter channel.

The utility model has the advantages that: the utility model discloses a design the tye on the upset platform to platform and frame are articulated to overturn, rotate through drive arrangement drive upset platform, and the slope of tye is variable promptly, and the user can simulate the river course rivers motion of different slopes on the tye, solves the natural slope simulation problem of different rivers, different river reach. The utility model discloses simple structure simulates the rivers motion of different river reach through the tye of variable slope, does not need to build solid model again at every turn, need not to adopt huge hydrologic cycle system and driving system like traditional river model, effectively reduces research cost, saves research engineering expense.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of another viewing angle of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a sectional view taken along line B-B of fig. 3, in which the turning platform is in a horizontal state;

fig. 5 is a cross-sectional view of the present invention with the roll-over platform in an inclined position;

fig. 6 is a partially enlarged view of a circle a in fig. 1.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions.

Referring to fig. 1 to 5, a river water flow tester with variable slope comprises a frame, a turning platform 21 and a driving device. The middle part of the turning platform 21 is hinged to the frame, the turning platform 21 is provided with a launder, the launder is provided with a water inlet and a water outlet, the water inlet is not lower than the water outlet, that is, as shown in fig. 1 and fig. 2, the launder is composed of the upper end surface of the turning platform 21 and the side walls on both sides of the upper end surface. The frame comprises a base frame 11 and two side frames 12, wherein the two side frames 12 are fixedly connected to two sides of the base frame 11, and a through groove for rotating the overturning platform 21 is formed between the two side frames 12. The driving device can drive the turning platform 21 to rotate, so that the gradient of the launder on the turning platform 21 is changed, and a user can simulate the river flow movement with different gradients through the launders with different gradients, thereby meeting the natural slope simulation problem of different rivers and different river sections, as shown in fig. 1 to 3, and the flow direction of muddy water containing sand is represented by arrows. Of course, it is preferable that the end of the turning platform 21 is installed with a collecting tank 22, and the collecting tank 22 is located at the water outlet of the water flowing tank for collecting the test water. The utility model discloses variable sloping river course rivers tester realizes overturning platform 21's rotation through drive arrangement, realizes that the tye slope is variable, can be used to simulate the rivers motion of different river reach, does not need to build solid model again at every turn, need not to adopt huge hydrologic cycle system and driving system like traditional river model, effectively reduces research cost, sparingly research engineering expense.

Preferably, rotating shafts are arranged on two sides of the middle of the overturning platform 21, and shaft holes for the rotating shafts to rotate are arranged on each side frame 12. Further, the driving device is an electric push rod 31, a base of the electric push rod 31 is hinged with the frame, and an action end of the electric push rod 31 is hinged with the overturning platform 21. As shown in fig. 4, in this embodiment, the electric push rod 31 retracts to the action end thereof, and the turning platform 21 is in a horizontal state, at this time, the water inlet and the water outlet of the water flowing channel are at the same height, so as to simulate the water flow condition of a river with a flat river bed. As shown in fig. 5, the electric push rod 31 extends out of the action end thereof to lift one end of the turnover platform 21, and the other end of the turnover platform 21 sinks correspondingly, so that the user controls the levelness of the turnover platform 21 by controlling the stroke of the action end of the electric push rod 31, thereby realizing the requirement of the gradient of the water flowing channel, and realizing the requirement of simulating the water flow movement of different rivers or different river reach. In addition, in connection with fig. 6, the roll-over platform 21 is arranged with a protractor 23, through which protractor 23 the roll-over angle of the roll-over platform 21 can be checked.

Preferably, at least three arm brace assemblies 13 are arranged at the bottom of the bottom frame 11, and in the embodiment, four arm brace assemblies 13 are arranged on two sides of the bottom frame 11. Each temple assembly 13 includes an adjusting lever arranged with external threads and a support base mounted at the lower end of the adjusting lever, and the chassis 11 is arranged with threaded holes for each adjusting lever to pass through. Through each spike subassembly 13, can adjust the frame level, guarantee the utility model discloses in the river course rivers tester test process of variable slope, reliable and stable.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. The utility model provides a river course rivers tester of variable slope which characterized in that: comprises that

A frame comprising two side frames (12) on either side;

the turnover platform (21) is provided with a water flowing groove, the water flowing groove is provided with a water inlet and a water outlet, the water inlet is not lower than the water outlet, the turnover platform (21) is hinged with the frame, and a through groove for the rotation of the turnover platform (21) is arranged between the two side frames (12); and

and a driving device for driving the overturning platform (21) to rotate.

2. The variable slope river water flow tester of claim 1, wherein: the driving device is an electric push rod (31), a base of the electric push rod (31) is hinged with the frame, and an action end of the electric push rod (31) is hinged with the overturning platform (21).

3. The variable slope river water flow tester of claim 1, wherein: the frame also comprises a base frame (11), and the two side frames (12) are fixedly connected to two sides of the base frame (11).

4. The variable slope river water flow tester of claim 1, wherein: rotating shafts are uniformly arranged on two sides of the middle of the overturning platform (21), and shaft holes for rotating the corresponding rotating shafts are arranged in each side frame (12).

5. The variable slope river water flow tester of claim 1, wherein: the overturning platform (21) is provided with a protractor (23).

6. The variable slope river water flow tester of claim 3, wherein: at least three arm brace assemblies (13) are arranged at the bottom of the bottom frame (11), each arm brace assembly (13) comprises an adjusting rod with an external thread and a supporting base installed at the lower end of the adjusting rod, and threaded holes for the adjusting rods to penetrate through are arranged in the bottom frame (11).

7. The river water flow tester with variable slope according to any one of claims 1 to 6, wherein: the overturning platform (21) is provided with a collecting tank (22), and the collecting tank (22) is positioned at the water outlet of the water flowing groove.