CN211596640U - Variable slope water flow tester capable of realizing water-sand separation - Google Patents

Abstract

The utility model discloses a can realize variable slope rivers tester of water-sand separation, including frame, upset platform, collecting vat and drive upset platform pivoted drive arrangement. The utility model designs the drawing operation space on the turnover platform, so that an operator can perform drawing through the drawing channel, and the accuracy of drawing of a flow path and a track of the water flow of a simulated river channel is improved; the driving device can also drive the overturning platform to rotate, river water flow movement with different gradients can be simulated, and the problem of natural slope drop simulation of different rivers and different river sections is solved; in addition, a collecting tank with water-sand separation is also designed. The utility model discloses can effectively solve the change problem that the river course slope falls to can improve the flow path and the orbit plotting accuracy of river, and realize the water-sand separation of test water, realize recycling, the utility model discloses simple structure, the cost is low, can extensively be used for hydraulic engineering simulation test.

Description

Variable slope water flow tester capable of realizing water-sand separation

Technical Field

The utility model relates to a water conservancy project and river model test technical field, in particular to can realize variable slope rivers tester of water and sand separation.

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. Meanwhile, whether the construction of the engineering brings adverse effects to the natural environment of the related river or not can be deeply known and analyzed, and whether the flowing scouring of the water flow influences the operation safety of the hydraulic engineering building or not can be analyzed.

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.

Meanwhile, in the test of the traditional river model, a pumping circulation system needs to be started to realize circulation and transmission of water and sand, so that the cost of equipment is high, the test cost is high, the maintenance cost is high, and the test is inconvenient to develop. In addition, in the water and sand circulation test device, although a sand basin is arranged at the water outlet of the device, a large amount of silt still flows into the water return channel along with water flow, so that muddy water containing sand is arranged in the whole circulation flow path. The circulating water contains a large amount of silt, water and sand separation is not carried out, and the water and sand flow process can cause abrasion to a circulating pipeline system, greatly reduce the service life and pollute the environment.

Disclosure of Invention

An object of the utility model is to provide a can realize variable slope water flow tester of water-sand separation, can solve the slope variable, satisfy the natural slope simulation problem of different rivers, different river reach, can also carry out the water-sand separation with the used muddy water containing sand of experiment simultaneously to collect respectively, realize cyclic reuse.

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

a variable slope water flow tester capable of realizing water-sand separation comprises

A frame including two side frames at both sides;

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

the driving device drives the overturning platform to rotate; and

the collecting tank is arranged on the overturning platform and is positioned at a water outlet of the flowing water tank, an accommodating cavity is formed in the collecting tank, the collecting tank comprises a peripheral wall and a bottom wall, a sand blocking assembly is arranged in the collecting tank and divides the accommodating cavity into a plurality of chambers, part of the chambers are sand collecting regions, part of the chambers are water collecting regions, the lowest position on the peripheral wall is defined as a reference position, overflow portions are arranged at the upper ends of the sand blocking assemblies, and the lowest position of each overflow portion is lower than the reference position.

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 an underframe, two side frames are fixedly connected to two sides of the underframe, rotating shafts are uniformly arranged in the middle of two sides of the turnover platform, shaft holes for the rotating shafts to rotate are arranged on each side frame, and a protractor is arranged on the turnover platform.

As a further improvement of the above technical solution, the turnover platform includes a panel and two water retaining walls located at two sides of the panel, and the gutter channel is formed by the panel and the two water retaining walls.

As a further improvement of the above technical solution, a flow guide assembly is arranged in the launder, the flow guide assembly guides the water outlet into a plurality of flow guide ports, each flow guide port is located above or obliquely above the corresponding sand collecting region, the flow guide assembly includes at least two flow guide plates connected to each other, an included angle formed between inner side end faces of the two flow guide plates is defined as α, the α belongs to (0,180 °), outer side end faces of the two flow guide plates face the water inlet, and free ends of the two flow guide plates respectively form the corresponding flow guide ports with the launder side plates.

As a further improvement of the above technical solution, the sand blocking assembly includes at least one sand blocking bank, the top of each sand blocking bank has an overflow surface, and each overflow surface constitutes an overflow portion of the sand blocking assembly.

As a further improvement of the above technical solution, the collecting tank is in a long strip shape, the cross section of the collecting tank is in a U shape, the sand blocking sills are vertically arranged along the width direction of the collecting tank, at least two sand blocking sills are arranged in the collecting tank to form at least three chambers, a chamber located in the middle of the accommodating cavity is the water collecting region, and the rest chambers are the sand collecting regions.

As a further improvement of the above technical solution, the peripheral wall includes a first side wall, a second side wall, and two end side walls, the first side wall and the second side wall are respectively located at two sides of the collecting tank, the two end side walls are respectively located at two ends of the collecting tank, and a collecting switch is disposed on each end side wall.

As a further improvement of the above technical solution, each of the collecting switches includes a notch opened on the corresponding end side wall, a card slot disposed at the notch, and a baffle plate inserted in the card slot.

As a further improvement of the above technical solution, an upper portion of the first sidewall is bent outward, thereby forming a drainage portion of the collecting tank; the upper part of the second side wall is bent inwards, so that a splash-proof part of the collecting tank is formed.

The utility model has the advantages that: the utility model discloses a design drawing operation space, when simulating rivers and flowing on the panel, can place the paper through operating the entry, the flow path and the flow path of rivers reflect on the paper through transparent panel, the operator can carry out the plotting through the drawing passageway, improve the flow path of simulation river course rivers and the plotting compliance of orbit; the driving device can also drive the overturning platform to rotate, river water flow movement with different gradients can be simulated, and the problem of natural slope drop simulation of different rivers and different river sections is solved; in addition, the collecting tank with the water-sand separation function is further designed, sand-containing muddy water flows to the water outlet from the water inlet and flows to the sand collecting area in the collecting tank, and due to the fact that the overflow portion at the top of the sand blocking assembly is lower than the peripheral wall of the collecting tank, sand and muddy water can be deposited in the sand collecting area, and water can flow over the overflow portion of the sand blocking assembly and flow to the water collecting area, so that the water-sand separation is achieved. The utility model discloses can effectively solve the change problem that the river course slope falls to can improve the flow path and the orbit plotting accuracy of river, and realize the water-sand separation of test water, realize recycling, the utility model discloses simple structure, the cost is low, can extensively be used for hydraulic engineering simulation test.

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 a first viewing angle according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second viewing angle according to an embodiment of the present invention;

fig. 3 is a top view of an embodiment of the invention;

fig. 4 is a sectional view taken along line D-D of fig. 3, in accordance with an embodiment of the present invention, wherein the roll-over platform is in a horizontal position;

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

FIG. 6 is a schematic view of a first view of the collection trough of the present invention;

FIG. 7 is a schematic view of the second view of the collection tank of the present invention, wherein the collection switch is open;

FIG. 8 is a cross-sectional view of a collection trough in the present invention;

FIG. 9 is an enlarged view of a portion of circle A of FIG. 7;

FIG. 10 is an enlarged view of a portion of circle B of FIG. 7;

fig. 11 is a partially enlarged view of circle C 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 11, a variable slope water flow tester capable of separating water from sand includes a frame, a turnover platform 20 having a water flowing channel, a collecting tank 40, and a driving device for driving the turnover platform 20 to rotate.

The frame comprises two side frames 12 at two sides, and a through groove for the turning platform 20 to rotate is arranged between the two side frames 12. Preferably, the frame further includes a base frame 11, and two side frames 12 are fixed to both sides of the base frame 11. Further, the overturning platform 20 is hinged to the frame, rotating shafts are arranged in the middle of two sides of the overturning platform 20, shaft holes for the corresponding rotating shafts to rotate are arranged in each side frame 12, the overturning platform 20 is provided with a protractor 29, and the angle of the overturning platform 20 can be checked through the protractor 29. 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 the tester is in the testing process, reliable and stable.

Specifically, the turning platform 20 includes a panel 21 and two water retaining walls 24 located at two sides of the panel 21, the panel 21 and the two water retaining walls 24 together form the gutter channel, the gutter channel has a water inlet and a water outlet, and the water inlet is not lower than the water outlet. The water flowing groove is internally provided with a flow guide assembly, the flow guide assembly is close to the water outlet and guides the water outlet into a plurality of flow guide ports, the flow guide assembly comprises at least two flow guide plates 81 which are connected with each other, an included angle formed between the end surfaces of the inner sides of the two flow guide plates 81 is defined as alpha, the alpha belongs to 0 and 180 degrees, the end surfaces of the outer sides of the two flow guide plates 81 face the water inlet, and the free ends of the two flow guide plates 81 respectively form corresponding flow guide ports with the side plates of the water flowing groove.

Preferably, the driving device is an electric push rod 31, the base of the electric push rod 31 is hinged with the frame, and the action end of the electric push rod 31 is hinged with the overturning platform 20. As shown in fig. 4, in this embodiment, the electric push rod 31 retracts to the action end thereof, and the turning platform 20 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 20, and the other end of the turnover platform 20 correspondingly sinks, so that the user controls the levelness of the turnover platform 20 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 simulation requirement of water flow movement in different river reach.

Collecting vat 40 is installed at the tip of upset platform 20 and is located the delivery port department of tye, and collecting vat 40 shaping has the chamber of holding, and collecting vat 40 includes perisporium and diapire 43, specifically speaking, and collecting vat 40 is rectangular form, and the collecting vat 40 is transversal personally submits the U type form, and the perisporium includes first lateral wall 41, second lateral wall 42 and two tip lateral walls, and first lateral wall 41 and second lateral wall 42 are located the both sides of collecting vat 40 respectively, and two tip lateral walls are located the both ends of collecting vat 40 respectively. A sand blocking assembly is arranged in the collecting tank 40, the sand blocking assembly divides the accommodating cavity into a plurality of chambers, part of the chambers are sand collecting regions, part of the chambers are water collecting regions, each flow guide opening is positioned above or obliquely above the corresponding sand collecting region, the lowest position on the peripheral wall is defined as a reference position, the upper ends of the sand blocking assemblies are provided with overflow portions, and the lowest position of each overflow portion is lower than the reference position. Preferably, the sand blocking assembly comprises at least one sand blocking bank 60, each sand blocking bank 60 has an overflow surface 61 at the top, and each overflow surface 61 constitutes an overflow part of the sand blocking assembly. Preferably, each sand blocking bank 60 is vertically arranged along the width direction of the collecting tank 40, at least two sand blocking banks 60 are arranged in the collecting tank 40 so as to form at least three chambers, the chamber in the middle of the accommodating cavity is a water collecting region, and the rest chambers are sand collecting regions. In this embodiment, the number of the sand trap sills 60 is two, and the number of the chambers is three, one of the chambers is a water collecting region located in the middle of the collecting tank 40, the other two chambers are sand collecting regions located at two ends of the collecting tank 40, and the two sand collecting regions just receive the muddy water containing sand flowing down from the two diversion ports. Wherein, a lower leakage opening 45 is arranged at the water collecting area, and a running water collecting box 70 is arranged below the lower leakage opening 45. Preferably, each end side wall, i.e. the peripheral wall at both sand collecting regions, is provided with a collecting switch. Each of the collection switches includes a notch opened on the side wall of the corresponding end, a card slot 51 disposed at the notch, and a shutter 52 placed in the card slot 51, i.e., the shutter 52 is detachable.

Use the utility model discloses the time, adjust the levelness of upset platform 20 through drive arrangement, simulate the required slope of river, then will contain husky muddy water and flow into the water inlet of tye, the little operating mode of simulation river upper reaches incoming water sand volume as shown in fig. 1 to fig. 3, with the rivers direction that indicates husky muddy water with the arrow. The muddy water containing sand flows to each flow guide opening through the flow guide assembly and flows to the two sand collecting areas respectively. In order to smoothly flow the muddy water containing sand into the collecting tank 50, it is preferable that the upper portion of the first side wall 41 is bent outward, so that a drainage portion of the collecting tank 40 is formed, i.e., the muddy water containing sand flows from the drainage portion into the sand collecting region. In order to prevent the muddy water containing sand from flowing too fast and impacting the second side wall 42 and splashing, it is preferable that the upper portion of the second side wall 42 is bent inward to form a splash guard of the catch tank 40.

In this embodiment, the muddy water containing sand flows into the two sand collecting areas respectively, and the sand is deposited at the bottom of the sand collecting areas because the density of the sand is higher than that of the water. On the other hand, the collecting trough 40 has a U-shaped cross section, and in the sand collecting area, the U-shaped collecting trough 40 is also beneficial to the sediment flowing into the collecting trough 40 to be deposited at the bottom of the collecting trough 40. At this time, the end face of each sand trap bank 60 far from the water collecting region is a sand trap barrier face. In addition, the baffle 52 is higher than the sand trap 60, and water flows over the overflow surface 61 at the top of the sand trap 60, flows to the water collecting area in the middle of the collecting tank 40, flows out of the lower drain opening 45, is collected by the flowing water collecting box 70, and can be recycled. When the silt in the two silt collecting areas needs to be cleaned, the collecting groove does not need to be detached, and the baffles 52 at the two ends of the collecting groove 40 only need to be taken out, so that the silt in the silt collecting areas can be easily cleaned and discharged.

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 (10)

1. Can realize water-sand separation's variable slope water flow tester, its characterized in that: comprises that

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

the turnover platform (20) is provided with a water flowing groove, the turnover platform (20) is hinged with the frame, the water flowing groove is provided with a water inlet and a water outlet, the water inlet is not lower than the water outlet, and a through groove for rotating the turnover platform (20) is arranged between the two side frames (12);

the driving device drives the overturning platform (20) to rotate; and

the collecting tank (40) is installed on the overturning platform (20), the collecting tank (40) is located at a water outlet of the flowing water tank, an accommodating cavity is formed in the collecting tank (40), the collecting tank (40) comprises a peripheral wall and a bottom wall (43), a sand blocking assembly is arranged in the collecting tank (40), the accommodating cavity is divided into a plurality of chambers by the sand blocking assembly, part of the chambers are sand collecting regions, part of the chambers are water collecting regions, a reference position is defined on the peripheral wall along the lowest position, overflow portions are arranged at the upper ends of the sand blocking assembly, and the lowest position of each overflow portion is lower than the reference position.

2. The variable slope water flow tester capable of realizing water-sand separation according to claim 1, is characterized in that: 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 (20).

3. The variable slope water flow tester capable of realizing water-sand separation according to claim 1, is characterized in that: the frame still includes chassis (11), two side bearer (12) rigid coupling is in this chassis (11) both sides, the pivot has been arranged to upset platform (20) both sides middle part equipartition, each side bearer (12) are arranged and are supplied corresponding the pivot pivoted shaft hole, the upset platform (20) have arranged protractor (29).

4. The variable slope water flow tester capable of realizing water-sand separation according to claim 1, 2 or 3, characterized in that: the overturning platform (20) comprises a panel (21) and two water retaining walls (24) positioned on two sides of the panel (21), and the water flowing grooves are formed by the panel (21) and the two water retaining walls (24) together.

5. The variable slope water flow tester capable of realizing water-sand separation according to claim 4, is characterized in that: the water outlet is guided into a plurality of guide openings by the guide assembly, each guide opening is positioned above or obliquely above the corresponding sand collecting region, the guide assembly comprises at least two guide plates (81) which are connected with each other, an included angle formed between the inner side end faces of the two guide plates (81) is defined as alpha, the alpha belongs to (0 and 180 degrees), the outer side end faces of the two guide plates (81) face the water inlet, and the free ends of the two guide plates (81) respectively form the corresponding guide openings with the side plates of the water launder.

6. The variable slope water flow tester capable of realizing water-sand separation according to claim 4, is characterized in that: the sand blocking assembly comprises at least one sand blocking bank (60), the top of each sand blocking bank (60) is provided with an overflow surface (61), and each overflow surface (61) forms an overflow part of the sand blocking assembly.

7. The variable slope water flow tester capable of realizing water-sand separation according to claim 6, is characterized in that: the collecting groove (40) is long in strip shape, the cross section of the collecting groove (40) is U-shaped, the sand blocking sills (60) are vertically arranged in the width direction of the collecting groove (40), at least two sand blocking sills (60) are arranged in the collecting groove (40) to form at least three chambers, the chamber located in the middle of the containing cavity is the water collecting region, and the rest chambers are the sand collecting regions.

8. The variable slope water flow tester capable of realizing water-sand separation according to claim 7, is characterized in that: the peripheral wall comprises a first side wall (41), a second side wall (42) and two end side walls, the first side wall (41) and the second side wall (42) are respectively located on two sides of the collecting tank (40), the two end side walls are respectively located on two ends of the collecting tank (40), and a collecting switch is arranged on each end side wall.

9. The variable slope water flow tester capable of realizing water-sand separation according to claim 8, is characterized in that: each collecting switch comprises a notch arranged on the corresponding end side wall, a clamping plate groove (51) arranged at the notch, and a baffle plate (52) placed in the clamping plate groove (51).

10. The variable slope water flow tester capable of realizing water-sand separation according to claim 8, is characterized in that: the upper part of the first side wall (41) is bent outwards, so that a drainage part of the collecting tank (40) is formed; the upper part of the second side wall (42) is bent inwards, so that a splash-proof part of the collecting tank (40) is formed.

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