CN113218618A - Liftable bottom of pond and pond - Google Patents

Abstract

The invention relates to the technical field of ocean experimental pools, in particular to a liftable pool bottom of a pool and the pool, and discloses the liftable pool bottom of the pool, which comprises a plurality of lifting tables capable of floating in water, wherein each lifting table is connected with a driving mechanism, and the driving mechanism comprises a flexible traction part, a turning part in the pool, which is rotatably arranged at the lower part of the pool, an outer turning part in the pool, which is rotatably arranged at the upper part of the side wall of the pool, and a driving part; the driving part is arranged outside the water pool; the first end of the flexible traction component is connected to the lifting platform; the second end of the flexible traction part bypasses the in-pond steering part and the out-pond steering part, the end part of the second end of the flexible traction part is connected to the driving part, and the driving part pulls the flexible traction part to enable the flexible traction part to rotate around the out-pond steering part and the in-pond steering part so as to enable the lifting tables to move up and down, so that the depth of each lifting table in the pond is changed, and experimental simulation can be carried out on a complex seabed foundation structure.

Description

Liftable bottom of pond and pond

Technical Field

The invention relates to the technical field of ocean experimental pools, in particular to a liftable pool bottom of a pool and the pool.

Background

The pool experiment is the most common experiment technology in the ocean experiment technology, and is commonly used for simulating ships, offshore structures, sea floors or coastal sea conditions. The most important technical index of the laboratory is the geometric dimension of the experimental water pool, namely the length, width and height of the water pool. According to different water depths, the experimental water pools can be divided into deep water pools with the water depth larger than 8 meters and shallow water pools with the water depth of 1-1.5 meters. According to different test requirements, various devices are added outside the water tank, so that the test water tank with different functions can be formed.

Experiment pond is often used for simulating the sea condition of continental rise frame, consequently, has depth of water adjustment mechanism, the depth of water adjustment mechanism in current experiment pond is through carrying out the regulation that whole lift accomplished the pond depth of water to the bottom of the pool height, install on depth of water adjustment mechanism after the bottom of the pool integrated into one piece is processed, the bottom of the pool processing is long consuming time, need reprocess the bottom of the pool to bottom of the pool degree of depth and structure requirement not simultaneously during the experiment, and can't regulate and control pond bottom of the pool local height in the experimentation, lead to can't simulate complicated seabed ground structure.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the pool bottom of the existing experimental pool is integrally processed, so that the local height of the pool bottom of the pool can not be regulated and controlled, and the simulation of a complex seabed foundation structure can not be carried out.

In order to solve the technical problem, the invention provides a liftable pool bottom of a pool, which comprises a plurality of lifting platforms capable of floating in water, wherein each lifting platform is connected with a driving mechanism, each driving mechanism comprises a flexible traction part, a pool internal steering part, a pool external steering part and a driving part, the driving part is positioned outside the pool, the pool internal steering part is rotatably arranged at the lower part of the pool, and the pool external steering part is rotatably arranged at the upper part of the side wall of the pool;

the first end of the flexible traction member is connected with the lifting platform, and the second end of the flexible traction member sequentially bypasses the in-pool steering member and the out-pool steering member in a matched manner;

the end part of the second end of the flexible traction member is connected with the driving member, and the driving member pulls the flexible traction member to enable the flexible traction member to rotate around the outside-water turning member and the inside-water turning member so as to enable the lifting platform to move up and down.

Preferably, the steering component outside the water pool is a second pulley, the steering component inside the water pool is a first pulley, and the flexible traction component is a rope matched with the first pulley;

the first pulley is arranged at the intersection of the left side wall and the bottom surface of the water pool;

the driving piece is arranged on the upper portion of the left side of the pool, the second end of the rope sequentially bypasses the first pulley and the second pulley, and the end portion of the second end of the rope is connected to the driving piece.

Preferably, the first pulley is provided with a rope guide member;

the upper end of the rope guide part is provided with a through hole with the diameter larger than that of the rope, and the central axis of the through hole is tangent to the center of the rope groove of the first pulley.

Preferably, the steering component in the water pool further comprises a third pulley, and the third pulley is positioned right below the lifting platform;

the second end of the rope sequentially bypasses the third pulley, the first pulley and the second pulley, and the end part of the second end of the rope is connected to the driving piece.

Preferably, a rope guide member is arranged on the third pulley;

the upper end of the rope guide part is provided with a through hole with the diameter larger than that of the rope, and the central axis of the through hole is tangent to the center of the rope groove of the third pulley.

Preferably, the driving part is a hydraulic cylinder; the hydraulic cylinder control system further comprises a controller, and each hydraulic cylinder is electrically connected with the control unit.

Preferably, the lifting platform comprises a floating component and a fixed platform;

the floating component is fixedly connected below the fixed platform, the buoyancy force borne by the floating component in water is larger than the sum of the gravity of the floating component and the gravity of the fixed platform, and the first end of the flexible traction component is fixedly connected to the fixed platform.

Preferably, the floating member is a hollow plastic box.

A pool with a liftable pool bottom comprises a pool wall, water and the liftable pool bottom of the pool.

As a preferred scheme, the pool with the liftable pool bottom further comprises a wave generator, a wave absorber and a measuring platform which are arranged near the pool wall of the pool.

Compared with the prior art, the liftable pool bottom of the pool provided by the embodiment of the invention has the beneficial effects that: the liftable pool bottom of the pool is formed by splicing a plurality of lifting platforms, the lifting platforms are connected with driving mechanisms, the first end of a flexible traction part in each driving mechanism is connected with the lifting platform, the second end of the flexible traction part sequentially bypasses a steering part in the pool and a steering part outside the pool in a matching manner, the end part of the second end of the flexible traction part is connected to a driving part, and the driving part pulls the flexible traction part to enable the flexible traction part to rotate around the steering part outside the pool and the steering part inside the pool to enable the lifting platform to move up and down.

Drawings

FIG. 1 is a schematic view of a structure of a liftable bottom of a pool according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure in the direction A-A in FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 2 at C;

fig. 4 is a front view of the rope guide 513;

FIG. 5 is a cross-sectional view taken at B-B of FIG. 4;

in the figure, 1, a water pool; 2. a lifting platform; 21. a fixed table; 22. a floating member; 3. a drive member; 4. a hydraulic pump station; 511. a first pulley; 512. a third pulley; 513. a rope guide member; 52. a second pulley; 6. a flexible pulling member; 7. and a controller.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

As shown in fig. 1 to 5, a liftable bottom 100 of a pool in accordance with a preferred embodiment of the present invention includes a plurality of lifting platforms 2, each lifting platform 2 floating in water; each lifting platform 2 is connected with a driving mechanism, the driving mechanism comprises a flexible traction part 6, an in-pool steering part 51, an out-pool steering part and a driving part 3, the driving part 3 is positioned outside the pool 1, the in-pool steering part 51 is rotatably arranged at the lower part of the pool 1, and the out-pool steering part is rotatably arranged at the upper part of the side wall of the pool 1; the in-pool steering component 51 and the out-pool steering component are both arranged in a rotatable mode, so that the friction force between the flexible traction component and the steering component can be reduced, and the lifting reliability of the lifting platform 2 is ensured;

the first end of the flexible traction component 6 is connected with the lifting platform 2, and the second end of the flexible traction component 6 sequentially bypasses the in-pool steering component 51 and the out-pool steering component in a matching manner; the end of the second end of the flexible pulling member 6 is connected to the driving member 3, and the driving member 3 pulls the flexible pulling member 6 to rotate the flexible pulling member 6 around the outside-of-pool turning member and the inside-of-pool turning member 51 to move the elevating platform 2 up and down.

In particular, the lifting platform 2 in the present application can be configured as a triangular prism or a quadrangular prism, regular shapes such as hexagonal prism, as long as mutual interference does not occur between the lifting platforms 2 in the lifting process, the upper parts of the lifting platforms 2 can also be designed into a shape simulating a seabed plane, the number of the lifting platforms 2 is set according to experimental requirements, in the embodiment, the lifting platforms 2 are designed into the quadrangular prism shape, a flexible traction part 6 is connected below each lifting platform 2, the second end of each flexible traction part 6 firstly extends downwards and towards the steering part 51 in the water pool, extends upwards after bypassing the steering part 51 in the water pool, bypasses the steering part outside the water pool after penetrating out of the water surface, and is finally connected to the driving part 3, the arrangement of the steering part 51 in the water pool and the steering part outside the water pool is matched with the flexible traction part 6, and the driving part 3 can apply acting force to the flexible traction part 6.

The liftable pool bottom 100 of the pool is formed by splicing a plurality of lifting tables 2, the lifting tables are connected with a driving mechanism, a first end of a flexible traction part 6 in the driving mechanism is connected with the lifting tables 2, a second end of the flexible traction part 6 sequentially bypasses an in-pool steering part 51 and an out-pool steering part in a matching manner, an end part of a second end of the flexible traction part is connected to a driving part 3, the driving part 3 pulls the flexible traction part 6, and the flexible traction part 6 rotates around the out-pool steering part and the in-pool steering part 51 to enable the lifting tables to move up and down.

The flexible pulling member 6 may be a rope, a conveyor belt, a chain, or other members that can be used in water for a long time, can bear the pulling force applied by the lifting platform, and is convenient for changing the transmission direction through the steering mechanism, for convenience of steering, the steering member outside the water tank is the second pulley 52, the steering member inside the water tank is the first pulley 511, and the flexible pulling member 6 is a rope matched with the first pulley 511.

Driving piece 3 can disperse the setting around pond 1, also can only set up in one side, concrete setting position can be according to the shape in pond 1 and the quantity rational arrangement of elevating platform 2, be convenient for to the centralized control of driving piece 3, driving piece 3 all sets up the left side upper portion at pond 1 in this embodiment, first pulley 511 sets up the cross section at pond 1's left side wall and bottom surface, pond 1's left side wall is equipped with the rope pipeline with the rope mouth of generating of first pulley 511 corresponds the position, flexible tractive part 6's second end extends downwards left earlier, it goes into in the rope pipeline and upwards extends to walk around the pond after steering part 51, pass through second pulley 52 after the surface of water, finally connect on driving piece 3. The in-pool steering component 51 and the out-pool steering component are both arranged as pulleys, so that the steering is convenient, the manufacturing is convenient, and the processing cost is low.

Because the lifting platform 2 is in a floating state in water, when tidal current and storm simulation experiments are performed in a water pool, water flow in the water pool can enable the lifting platform 2 to shake in the horizontal direction of the water pool, therefore, a connecting line between the center of the lifting platform 2 and the center of the pulley rope groove of the first pulley 511 cannot be always kept in a vertical state, in order to avoid ropes from being separated from the rope groove of the first pulley 511, a rope guide part 513 is arranged right above a rope inlet of the first pulley 511, the upper end of the rope guide part 513 is provided with a through hole 5133 with the diameter larger than that of the ropes, and the central axis of the through hole 5133 is tangent to the center of the rope groove of the first pulley 511 so as to keep the ropes positioned at the center of the pulley rope groove of each first pulley 51.

Specifically, as shown in fig. 5, the rope guide member 513 includes two fixing brackets 5131 and a fixing plate 5132 which are oppositely arranged at an interval, the upper ends of the fixing brackets 5131 are both fixedly connected to the lower portion of the fixing plate 5132, the fixing plate 5132 is provided with a through hole 5133 with a diameter larger than the diameter of the rope, and the upper and lower edges of the through hole 5133 are both provided with transition arcs, so that the rope is prevented from being worn at the edges of the through hole 5133. When the pulley 511 is installed, the first pulley 511 is arranged in the gap between the two fixing brackets 5131, the central axis of the through hole 5133 is tangent to the center of the rope groove of the first pulley 511, the fixing bracket 5131 is fixed on the base of the first pulley 511, and in other embodiments, the fixing bracket 5131 is fixed on the bottom surface of the water pool. The rope guide 513 is provided above the first pulley 511, and prevents the rope from being separated from the rope groove of the first pulley 511 when the center of the elevating platform 2 is deviated from the center of the rope groove of the first pulley 511, thereby ensuring the stability of the pulley transmission.

When the length and width of the pool 1 are both large, the first pulley 511 is arranged on one side of the pool 1, and when the rope under the lifting platform 2 far away from the pulley 511 extends to the lower part of the first pulley 511, a large inclination angle is generated between the rope and the depth direction of the pool 1, and when the inclination angle is too large, the lifting platform 2 can move in the length or width direction of the pool.

As shown in fig. 1 and 2, in order to overcome the problem that when the driving member 3 is disposed on one side of the pool, the elevator table 2 has a plurality of rows in the length direction of the pool, which results in a large inclination angle between the elevator table 2 away from the driving member 3 and the rope, which results in movement of the elevator table 2 in the length direction of the pool, the in-pool steering member 51 of the embodiment further includes a third pulley 512, the third pulley 512 is disposed directly below the elevator table 2, the second end of the rope sequentially passes around the third pulley 512, the first pulley 511, and the second pulley 52, the end of the second end of the rope is connected to the driving member 3, and the third pulley 512 is disposed such that the rope below each elevator table 2 is disposed within the projection range of each elevator table 2 in the horizontal direction, thereby ensuring that the elevator table 2 does not generate displacement in the horizontal direction when the rope pulls the elevator table 2 to move up and down.

Specifically, as shown in fig. 1 and 2, the lifting platform 2 in this embodiment is provided with 5 rows in the length direction of the pool, 4 rows in the width direction of the pool, and a third pulley 512 is provided right below each lifting platform 2, and as shown in the first row near the left side wall of the pool in fig. 2, the position of the first pulley 511 below the lifting platform is preferably set as the central part right below the lifting platform 2; when there are a large number of lifters provided in the same row and the third pulley 512 is provided at the center portion right below the lifter 2, interference occurs between the ropes steered by the third pulley 512, and at this time, the third pulley 512 may be provided at a non-center position right below the lifter 2.

In the embodiment of the present application, as shown in fig. 2, from the second row along the length direction of the pool 1, a third pulley 512 is provided, and the downward extending rope winds around the third pulley 512, turns left by 90 °, then extends leftwards along the horizontal plane to the first pulley 511, turns upwards by 90 ° through the first pulley 511, then extends vertically upwards to the second pulley 52, turns left by 90 ° through the second pulley 52, and then extends horizontally to the driving member 3.

Because the lifting platform 2 is in a floating state in water, when tidal current and storm simulation experiments are performed in a water pool, the water flow in the water pool can cause the lifting platform 2 to shake in the horizontal direction of the water pool, therefore, a connecting line between the center of the lifting platform 2 and the center of the pulley rope groove of the third pulley 512 cannot be always kept in a vertical state, in order to avoid the ropes from being separated from the rope groove of the third pulley 513, a rope guide part 513 is also arranged right above the rope inlet of the third pulley 513, the upper end of the rope guide part 513 is provided with a through hole 5133 with the diameter larger than that of the ropes, and the central axis of the through hole 5133 is tangent to the center of the rope groove of the first pulley 511 so as to keep the ropes positioned at the center of the pulley rope groove of each first pulley 51.

In order to ensure the fixing strength of the first pulley 511 and the third pulley 512 with the bottom surface of the water tank, the first pulley 511 and the third pulley 512 are embedded in the bottom surface of the water tank 1. Specifically, in the process of building the pool, the number of the first pulley 511, the second pulley 52 and the third pulley 513 should be set as much as possible according to the space condition of the pool bottom, so as to ensure that the pulley combination with a proper position can be selected as required in the process of installing the lifting platform 2 and the rope.

The driving parts 3 in the application can be hydraulic cylinders, pneumatic cylinders or motors, and in the embodiment of the application, each driving part 3 is a hydraulic cylinder; the pull rod of each hydraulic cylinder is provided with a fixed plate which is fixedly connected with the rope through a fastener. Wherein, the back of each hydraulic cylinder is connected with the same hydraulic pump station 4, and the hydraulic pump station comprises a controller 7 electrically connected with the hydraulic pump station 4 and each hydraulic cylinder, and the controller 7 controls the action of each hydraulic cylinder.

Specifically, the hydraulic pump station 4 comprises a valve combination and a plurality of oil outlet pipelines connected to the valve combination, the number of the oil outlet pipelines is the same as that of the hydraulic cylinders, and each hydraulic cylinder is connected to the corresponding oil outlet pipeline of the hydraulic pump station 4; the hydraulic oil pump further comprises a controller 7, and the controller 7 is electrically connected with the valve assembly to control the flow direction of hydraulic oil in each oil outlet pipeline and the flow rate of the hydraulic oil.

Specifically, the hydraulic pump station still includes motor and oil pump, and the motor drives the oil pump rotation, and the pump is pumped oil after inhaling oil from the oil tank, turns into the pressure energy of hydraulic oil with mechanical energy, and hydraulic oil carries out the regulation of direction, pressure, flow through the valve combination and transmits to the hydro-cylinder of pneumatic cylinder in, and controller 7 is connected with motor and combination valve, controls the flow of hydraulic oil, the flow direction of hydraulic oil in oil outlet pipeline and the oil outlet pipeline to the stroke and the direction of controlling each pneumatic cylinder, and then the direction of motion of the rope of control connection on the pneumatic cylinder.

The lifting platform 2 can be integrally formed by a material with the density smaller than that of water, however, when various complex seabed conditions need to be accurately simulated during seabed platform experiments, the economic cost of re-processing all the lifting platforms in each experiment is high, the processing period is long, and in order to shorten the processing period and save the cost, each lifting platform 2 in the embodiment comprises a floating part 21 and a fixed platform 22; the density of floating component 21 is little, and can set up floating component 21 to the hollow form in middle part further increase the buoyancy that floating component received in aqueous, floating component 21 is whole injection moulding's hollow plastic case in this embodiment, the size and the quantity of plastic case are according to the big or small configuration of elevating platform, it is preferred, set up the plastic case to more than 2, the equal fixed connection in below of each fixed station 22 of each floating component 21, the peripheral integrated into one piece of plastic case has the bolt fastening hole, be equipped with the relative screw hole with the bolt fastening hole of plastic case on the fixed station 22, the plastic case passes through fastening bolt and connects on fixed station 22. Each floating component 21 receives buoyancy in water and all is greater than the sum of each floating component 21's gravity and each fixed station 22's gravity, and the first end of each flexible tractive component 6 all is fixed connection on each fixed station 22, and flexible tractive component 6 all fixes the below at corresponding fixed station 22, and in this embodiment, the below central point department of fixed station 22 is equipped with the eyebolt, and the first end of flexible tractive component 6 is fixed in the eyehole of eyebolt.

In this embodiment, the upper part of the elevating platform 2 is provided with the fixed platform 22, and the floating component is arranged below the fixed platform 22, so that when the fixed platform 22 needs to be replaced, the floating component can be reused, the manufacturing cost is reduced, and the processing period is shortened.

A pool with a liftable pool bottom comprises a pool wall, water and the liftable pool bottom 100 of the pool. The pool with the liftable pool bottom also comprises a wave generator, a wave absorber and a measuring platform which are arranged near the pool wall of the pool.

The working process of the invention is as follows: the depths of the lifting platforms in the water pool after being installed are the same, when the sea condition of the continental shelf needs to be simulated, the required depths of all parts of the lifting platforms are determined firstly, then the flow direction and the flow of hydraulic oil in a hydraulic pump station are controlled through a controller, and further the cylinder rod of each hydraulic cylinder is controlled to move; the hydraulic cylinder rod pulls the corresponding rope to move so as to lower or raise the height of the lifting platform, and after the height of each lifting platform reaches a preset position, a simulation experiment is started.

To sum up, the embodiment of the invention provides a liftable pool bottom of a pool and the pool, which are formed by splicing a plurality of lifting platforms, each lifting platform can float upwards under the action of self buoyancy, flexible traction parts are arranged below the lifting platforms, the flexible traction parts are turned by a steering mechanism and then connected to driving parts positioned outside the pool, and the driving parts apply downward acting force to the corresponding lifting platforms through the corresponding flexible traction parts, so that the depth of each lifting platform in the pool is changed.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. A liftable pool bottom (100) of a pool is characterized by comprising a plurality of lifting platforms (2) capable of floating in water, wherein each lifting platform (2) is connected with a driving mechanism, each driving mechanism comprises a flexible traction part (6), an in-pool steering part (51), an out-pool steering part and a driving part (3), the driving part (3) is positioned outside the pool (1), the in-pool steering part (51) is rotatably arranged at the lower part of the pool (1), and the out-pool steering part is rotatably arranged at the upper part of the side wall of the pool (1);

the first end of the flexible traction component (6) is connected with the lifting platform (2), and the second end of the flexible traction component (6) sequentially bypasses the in-pool steering component (51) and the out-pool steering component in a matched manner;

the end part of the second end of the flexible traction component (6) is connected with the driving component (3), the driving component (3) pulls the flexible traction component (6) to enable the flexible traction component (6) to rotate around the steering component outside the water pool and the steering component (51) inside the water pool, and therefore the lifting platform (2) can move up and down.

2. The liftable bottom (100) of a basin according to claim 1, wherein the out-of-basin diverting member is a second pulley (52), the in-basin diverting member (51) is a first pulley (511), and the flexible pulling member (6) is a rope matching the first pulley (511);

the first pulley (511) is arranged at the intersection of the left side wall and the bottom of the water pool (1);

drive piece (3) all set up the left side upper portion in pond (1), the second end of rope is walked around in proper order first pulley (511) second pulley (52), the end connection of the second end of rope is in on drive piece (3).

3. The liftable floor (100) of a basin according to claim 2, characterized in that a rope guide (513) is provided on the first pulley (511);

the upper end of the rope guide member (513) has a through hole (5133) with a diameter larger than the rope diameter, and the central axis of the through hole (5133) is tangent to the center of the rope groove of the first pulley (511).

4. The liftable floor (100) of a basin according to claim 2, wherein the basin inner diverting member (51) further comprises a third pulley (512), the third pulley (512) being located directly below the lifting platform (2);

the second end of the rope sequentially passes around the third pulley (512), the first pulley (511) and the second pulley (52), and the end part of the second end of the rope is connected to the driving element (3).

5. The liftable floor (100) of a basin according to claim 4, wherein a rope guide (513) is provided on the third pulley (512);

the upper end of the rope guide part (513) is provided with a through hole (5133) with the diameter larger than that of the rope, and the central axis of the through hole (5133) is tangent to the center of the rope groove of the third pulley (512).

6. Liftable basin bottom (100) according to claim 1, wherein the drive member (3) is a hydraulic cylinder; the hydraulic cylinder control system further comprises a controller (7), and the hydraulic cylinders are respectively electrically connected with the controller (7).

7. Liftable floor (100) of a basin according to any of the claims 1 to 6, characterized in that the lifting platform (2) comprises a floating part (21) and a fixed platform (22);

the floating component (21) is fixedly connected below the fixed platform (22), the buoyancy force borne by the floating component (21) in water is larger than the sum of the gravity of the floating component (21) and the gravity of the fixed platform (22), and the first end of the flexible traction component (6) is fixedly connected to the fixed platform (22).

8. Liftable basin bottom (100) according to claim 7, characterized in that the floating member (21) is a hollow plastic box.

9. A pool with liftable pool bottom, comprising pool walls and water, characterized by further comprising the liftable pool bottom (100) of the pool of any one of claims 1 to 8.

10. The pool with the liftable bottom of the pool according to claim 9, characterized by further comprising a wave generator, a wave absorber and a measuring platform which are arranged near the pool wall of the pool (1).

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