CN220454832U

CN220454832U - Hydrodynamic testing device

Info

Publication number: CN220454832U
Application number: CN202321143058.2U
Authority: CN
Inventors: 许强
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2024-02-06
Anticipated expiration: 2033-05-12

Abstract

The utility model belongs to the technical field of hydrodynamics, in particular to a hydrodynamics test device, which comprises a test bed, a water pump arranged on the upper surface of the test bed through a base, a hydrodynamics test device body arranged on one side of the upper surface of the test bed, which is far away from the water pump, and an adjusting component arranged between the water pump and the hydrodynamics test device body, wherein the adjusting component comprises an adjusting box arranged between the water pump and the hydrodynamics test device body, a communicating pipe arranged between the adjusting box and the hydrodynamics test device body, and a baffle plate arranged inside the adjusting box and close to one side of the communicating pipe; through the adjusting part who sets up, can make the hydrodynamics test device body can test the rivers of different velocity of flow, further make the experimental scope of device enlarge to the experimental data that makes the device obtain has more universality, improves the credibility.

Description

Hydrodynamic testing device

Technical Field

The utility model belongs to the technical field of fluid mechanics, and particularly relates to a fluid mechanics test device.

Background

Hydrodynamic is a branch of mechanics, mainly researching the interaction and flow rule of fluid in a static state and a motion state and relative motion between the fluid and a solid boundary wall under various forces, and in the process of researching the hydrodynamic, a hydrodynamic test device is often required to be used;

through investigation publication (bulletin) number: CN213781360U discloses an experimental device for hydrodynamics, which discloses in this technology that "the stand plate is provided with, the stand plate is provided with a pipeline and a supporting plate, the supporting plate is arranged symmetrically up and down with respect to the pipeline, the supporting plate is provided with a transverse plate, the end of the transverse plate is provided with an inclined sealing gasket, the end of the pipeline is arranged in a trapezoid, and the transverse plates are provided with a liquid inlet pipe, a liquid outlet pipe and other technical schemes, so that the installation and replacement of the pipeline can be performed rapidly;

although the design can be used for rapidly installing and replacing the pipeline, in the using process of the device, the flow rate of liquid in the liquid inlet pipe is difficult to adjust, and the fluid is inconvenient to test under the condition of different flow rates, so that the test range of the device is smaller, and the test data obtained by the device are not universal;

for this purpose, a fluid mechanics test device is designed to solve the above problems.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a fluid mechanics test device, which can adjust the flow velocity of water flowing into the fluid mechanics test device body, so that the fluid mechanics test device body can test water with different flow velocities, further the test range of the device is enlarged, and the test data obtained by the device has the characteristics of universality and reliability improvement.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the fluid mechanics test device comprises a test bed, a water pump and an adjusting component, wherein the water pump is arranged on the upper surface of the test bed through a base, the fluid mechanics test device body is arranged on one side, far away from the water pump, of the upper surface of the test bed, a water tank is arranged on one side, far away from the fluid mechanics test device body, of the water pump, and the adjusting component is arranged between the water pump and the fluid mechanics test device body;

the adjusting component comprises an adjusting box arranged between the water pump and the fluid mechanics testing device body, a communicating pipe arranged between the adjusting box and the fluid mechanics testing device body, and a baffle plate arranged inside the adjusting box and close to one side of the communicating pipe.

As a preferred hydrodynamics test device of the utility model, a containing groove is formed in one side, close to the baffle plate, of the inside of the regulating box, a drain pipe arranged at the output end of the water pump is communicated with the containing groove, a water inlet pipe arranged at the input end of the water pump is communicated with the water tank, a drain groove is formed in one side, close to the communicating pipe, of the inside of the regulating box, the communicating pipe is inserted into the drain groove, and the drain groove is communicated with the containing groove.

As the hydrodynamic test device, preferably, the upper surface of the baffle is fixedly connected with a toothed plate, one side of the surface of the toothed plate is in meshed connection with a gear, one side of the interior of the regulating box, which is close to the gear, is rotationally connected with a rotating rod through a bearing A, the rotating rod is fixedly connected with the gear, one end, which is far away from the gear, of the surface of the rotating rod is fixedly connected with a worm wheel, one side of the interior of the regulating box, which is close to the worm wheel, is rotationally connected with a worm through a bearing B, and the worm is in meshed connection with the worm wheel.

As a preferable mode of the hydrodynamic test device, an avoidance groove is formed in one side, close to the gear, of the inner part of the adjusting box, a guide groove A matched with the baffle is formed in one side, close to the baffle, of the inner part of the adjusting box, the baffle is in sliding connection with the adjusting box through the guide groove A, a pointing rod in an L-shaped structure is fixedly connected to one side, far away from the baffle, of the surface of the toothed plate, a guide groove B matched with the pointing rod is formed in one side, close to the pointing rod, of the inner part of the adjusting box, the pointing rod is in sliding connection with the adjusting box through the guide groove B, and a dial is fixedly connected to one side, close to the pointing rod, of the surface of the adjusting box.

As the fluid mechanics test device, preferably, a cross rod is fixedly connected to one side, close to the communicating pipe, of the inside of the regulating box, and a plurality of fan blades in an annular array are rotatably connected to one side, far away from the baffle, of the surface of the cross rod through a bearing C.

Preferably, the fluid mechanics test device further comprises an alarm component arranged inside the water tank;

the alarm assembly comprises a trigger arranged in the water tank, a floating block arranged above the trigger and having a T-shaped structure, and a buzzer arranged on the upper surface of the water tank, wherein the buzzer is electrically connected with the trigger.

As the fluid mechanics test device, preferably, a filter plate is arranged above the trigger, the filter plate is fixedly connected with the water tank, guide plates which are obliquely arranged are symmetrically arranged above the filter plate, the guide plates are fixedly connected with the water tank, a limit groove matched with the floating block is formed in one side, close to the floating block, of the water tank, and the floating block is in sliding connection with the water tank through the limit groove.

Compared with the prior art, the utility model has the beneficial effects that: add adjusting part on this application, can pass through the motion of baffle, and then adjust the size of the internal rivers velocity of flow of inflow hydrodynamic test device for hydrodynamic test device body can test the rivers of different velocity of flow, further makes the experimental scope of device enlarge, thereby make the experimental data that the device obtained more have the universality, improve the credibility, simultaneously added alarm component, can remind the staff in time to the inside water-feeding of water tank, avoid the inside lack of water tank to lead to unable the continuation of hydrodynamic test.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

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

FIG. 2 is a schematic view of the worm and worm structure of the present utility model;

FIG. 3 is a schematic view of the structure of the baffle and the toothed plate according to the present utility model;

FIG. 4 is a schematic view of a baffle and baffle structure according to the present utility model;

in the figure:

1. a test bed; 11. a water pump; 12. a fluid mechanics testing device body; 13. a water tank;

2. an adjustment assembly; 21. an adjusting box; 22. a worm; 23. a worm wheel; 24. a rotating rod; 25. a gear; 26. a communicating pipe; 27. a toothed plate; 28. a pointing stick; 29. a baffle; 210. a drainage channel; 211. a fan blade; 212. a cross bar;

3. an alarm assembly; 31. a buzzer; 32. a filter plate; 33. a trigger; 34. a floating block; 35. and a deflector.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1:

the fluid mechanics test device comprises a test bed 1, a water pump 11 and a fluid mechanics test device body 12, wherein the water pump 11 is installed on the upper surface of the test bed 1 through a base, the fluid mechanics test device body 12 is installed on one side, far away from the water pump 11, of the upper surface of the test bed 1, and a water tank 13 is arranged on one side, far away from the fluid mechanics test device body 12, of the water pump 11.

In this embodiment: existing hydrodynamic test apparatus { publication (bulletin) No. }: CN213781360U discloses an experimental device for hydrodynamics, in order to solve the technical problem existing in this prior art, as disclosed in the background art above, "although this design can be fast installed and replaced of pipeline, but this device is in the in-process of using, it is difficult to adjust the velocity of flow of liquid in the feed liquor pipe, be inconvenient for carrying out the test to the fluid under the circumstances of different velocity of flow, and then make the experimental range of this device less, make the experimental data that the device obtained not have universality", in combination with use, this problem obviously is the problem that exists in reality and is relatively difficult to solve, and therefore, in order to solve this technical problem, add adjusting part 2 and alarm part 3 on the basis of this.

It should be noted that: the fluid mechanics testing device body 12 is composed of a colored water pipe, a water stabilizing pore plate, an overflow plate, an experimental pipeline and the like, and can judge the flow state according to whether the colored water is scattered or not.

Further, the method comprises the following steps:

as shown in fig. 1 to 4:

in combination with the above: the hydraulic test device further comprises an adjusting assembly 2 arranged between the water pump 11 and the fluid mechanical test device body 12; the regulator assembly 2 includes a regulator tank 21 provided between the water pump 11 and the fluid dynamic test device body 12, a communication pipe 26 installed between the regulator tank 21 and the fluid dynamic test device body 12, and a baffle 29 provided inside the regulator tank 21 on a side close to the communication pipe 26.

In this embodiment: when the flow rate of water flow needs to be regulated, the baffle 29 moves, along with the movement of the baffle 29, the water flow inside the regulating box 21 can flow out from the regulating box 21, the flow rate of the water flow flowing into the hydrodynamic test device body 12 can be regulated through the movement of the baffle 29, the water flow can be tested under the condition of different flow rates, the hydrodynamic test device body 12 can test the water flow with different flow rates, the test range of the device is further expanded, and the test data obtained by the device are more universal and the reliability is improved.

It should be noted that: a water guide pipe (not shown) is inserted into the fluid mechanics testing device body 12 at a side far away from the adjusting box 21, so that water flow in the fluid mechanics testing device body 12 can be discharged.

Still further, the method comprises:

in an alternative embodiment, a receiving groove is formed in one side, close to the baffle 29, of the interior of the regulating tank 21, a drain pipe installed at the output end of the water pump 11 is communicated with the receiving groove, a water inlet pipe installed at the input end of the water pump 11 is communicated with the water tank 13, a water discharge groove 210 is formed in one side, close to the communicating pipe 26, of the interior of the regulating tank 21, and the communicating pipe 26 is inserted into the water discharge groove 210, and the water discharge groove 210 is communicated with the receiving groove.

In this embodiment: when the fluid is required to be subjected to mechanical test, the water pump 11 and the fluid mechanical test device body 12 are started at this time, the water inlet pipe installed at the input end of the water pump 11 pumps water flow out of the water tank 13, the water flow is released into the regulating box 21 through the water outlet pipe installed at the output end of the water pump 11, along with the movement of the baffle 29, the water flow in the regulating box 21 can flow out of the regulating box 21 and flow into the fluid mechanical test device body 12, and then the fluid is subjected to mechanical test.

Still further, the method comprises:

in an alternative embodiment, the upper surface of the baffle 29 is fixedly connected with a toothed plate 27, one side of the surface of the toothed plate 27 is in meshed connection with a gear 25, one side of the interior of the adjusting box 21, which is close to the gear 25, is rotationally connected with a rotating rod 24 through a bearing A, the rotating rod 24 is fixedly connected with the gear 25, one end of the surface of the rotating rod 24, which is far away from the gear 25, is fixedly connected with a worm wheel 23, one side of the interior of the adjusting box 21, which is close to the worm wheel 23, is rotationally connected with a worm 22 through a bearing B, and the worm 22 is in meshed connection with the worm wheel 23.

In this embodiment: when the flow rate of water flow needs to be regulated, a hand wheel (not shown in the figure) is rotated, the worm 22 can be driven to rotate by the rotation of the hand wheel (not shown in the figure), the worm wheel 23 is driven to rotate, the rotating rod 24 can be driven to rotate by the rotation of the worm wheel 23, the gear 25 is driven to rotate, the toothed plate 27 can be driven to move by the rotation of the gear 25, the baffle 29 is driven to move by the movement of the toothed plate 27, the shielding effect of the baffle 29 on the water drainage groove 210 can be relieved along with the movement of the baffle 29, the water flow inside the regulating box 21 can flow out from the water drainage groove 210, the movement of the baffle 29 can be used for regulating the flow rate of the water flow flowing into the fluid mechanics test device body 12, and the water flow can be tested under the condition of different flow rates.

It should be noted that: one end of the worm 22 penetrates through the inside of the adjusting box 21, extends to the outside of the adjusting box 21, and is fixed with a hand wheel (not shown in the figure) arranged on one side of the adjusting box 21, and the hand wheel (not shown in the figure) is arranged to facilitate the flow rate of water flow adjustment of a tester.

Still further, the method comprises:

in an alternative embodiment, a side of the inner part of the adjusting box 21, which is close to the gear 25, is provided with a avoiding groove, one side of the inner part of the adjusting box 21, which is close to the baffle 29, is provided with a guide groove A matched with the baffle 29, the baffle 29 and the adjusting box 21 are in sliding connection through the guide groove A, one side of the surface of the toothed plate 27, which is far away from the baffle 29, is fixedly connected with a pointing rod 28 with an L-shaped structure, one side of the inner part of the adjusting box 21, which is close to the pointing rod 28, is provided with a guide groove B matched with the pointing rod 28, the pointing rod 28 and the adjusting box 21 are in sliding connection through the guide groove B, and one side of the surface of the adjusting box 21, which is close to the pointing rod 28, is fixedly connected with a dial.

In this embodiment: in the process of the movement of the toothed plate 27, the toothed plate 27 drives the pointing rod 28 to move, and the pointing rod 28 points to the dial on the surface of the adjusting box 21, so that a prompt effect is played for test personnel.

It should be noted that: when the direction lever 28 is directed to the rightmost side of the dial, the surface baffle 29 shields the drain grooves 210 entirely, when the direction lever 28 is directed to the center of the dial, the surface baffle 29 shields half of the drain grooves 210, and a gasket (not shown) is fixed to the surface of the toothed plate 27 on the side close to the guide groove a, so that water flow can be prevented from penetrating upward through the guide groove a.

Still further, the method comprises:

in an alternative embodiment, a cross bar 212 is fixedly connected to the inner side of the adjusting tank 21 near the communicating pipe 26, and a plurality of fan blades 211 in an annular array are rotatably connected to the surface of the cross bar 212 far away from the baffle 29 through a bearing C.

In this embodiment: the flow of the water flow can drive the fan blades 211 on the surface of the cross bar 212 to rotate, and the rotation of the fan blades 211 further provides kinetic energy for the water flow, so that the water drainage speed is improved.

It should be noted that: the blades 211 may be made of a lightweight material to facilitate the flow of water to drive the blades 211 to rotate.

Still further, the method comprises:

in an alternative embodiment, the alarm assembly 3 is also included inside the water tank 13; the alarm assembly 3 comprises a trigger 33 arranged in the water tank 13, a floating block 34 arranged above the trigger 33 and having a T-shaped structure, and a buzzer 31 arranged on the upper surface of the water tank 13, wherein the buzzer 31 is electrically connected with the trigger 33.

In this embodiment: when the water quantity in the water tank 13 is small, the floating block 34 moves downwards along with the reduction of the water level in the water tank 13, when the floating block 34 touches the trigger 33, the trigger 33 is started at the moment, and then the buzzer 31 gives an alarm to remind a worker to add water into the water tank 13, so that the situation that the hydrodynamic test cannot be continued due to the water shortage in the water tank 13 is avoided.

It should be noted that: all electrical equipment in the device is powered on by an external power supply.

Still further, the method comprises:

in an alternative embodiment, the filter plate 32 is arranged above the trigger 33, the filter plate 32 is fixedly connected with the water tank 13, the guide plates 35 which are obliquely arranged are symmetrically arranged above the filter plate 32, the guide plates 35 are fixedly connected with the water tank 13, a limit groove matched with the float block 34 is formed in one side, close to the float block 34, of the water tank 13, and the float block 34 is slidably connected with the water tank 13 through the limit groove.

In this embodiment: when water is required to be added into the water tank 13, water can be added into the water tank 13 through a water injection pipe (not shown in the figure) inserted into the upper surface of the water tank 13, the water flow can be concentrated and downwards by the guide plate 35, impurities in the water can be filtered by the filter plate 32, and the influence of the impurities in the water on a subsequent test is avoided.

It should be noted that: a water injection pipe (not shown) is inserted into the upper surface of the water tank 13, so that a tester can conveniently add water into the water tank 13.

Working principle: when the fluid is required to be subjected to the mechanical test, the water pump 11 and the fluid mechanical test device body 12 are started at this time, the water flow is pumped out from the water tank 13 through the water inlet pipe arranged at the input end of the water pump 11, and is released into the regulating tank 21 through the water outlet pipe arranged at the output end of the water pump 11, then the hand wheel (not shown in the figure) is rotated, the worm 22 can be driven to rotate by the rotation of the hand wheel (not shown in the figure), the worm wheel 23 is driven to rotate, the rotating rod 24 can be driven to rotate by the rotation of the worm wheel 23, the gear 25 is driven to rotate, the toothed plate 27 can be driven to move by the rotation of the gear 25, the baffle plate 29 is driven to move by the movement of the toothed plate 27, the shielding effect of the baffle plate 29 on the water outlet tank 210 can be relieved, the water flow in the regulating tank 21 can flow out from the water outlet tank 210, the flow of water flow can drive the fan blades 211 on the surface of the cross bar 212 to rotate, the rotation of the fan blades 211 further provides kinetic energy for the water flow, so that the drainage speed is improved, the water flow flows into the hydrodynamic test device body 12 through the communicating pipe 26, further the hydrodynamic test is performed, the flow speed of the water flow flowing into the hydrodynamic test device body 12 can be regulated through the movement of the baffle 29, the hydrodynamic test device body 12 can test the water flow with different flow speeds, the test range of the device is further enlarged, the test data obtained by the device is more universal, the reliability is improved, the water flow after the test is discharged through one side of the hydrodynamic test device body 12, when the device is used for a long time, the water flow in the water tank 13 is reduced, the water level in the water tank 13 is reduced along with the reduction of the water level in the water tank 13, the floating block 34 moves downwards along with the reduction of the water level, when the floating block 34 touches the trigger 33, the trigger 33 is started at the moment, and then the buzzer 31 gives an alarm to remind a worker to timely add water into the water tank 13, so that the phenomenon that the hydrodynamic test cannot be continued due to water shortage in the water tank 13 is avoided.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a fluid mechanics test device, includes test bench (1) and installs through the base water pump (11) of test bench (1) upper surface and install test bench (1) upper surface is kept away from fluid mechanics test device body (12) of water pump (11) one side, water pump (11) are kept away from one side of fluid mechanics test device body (12) is provided with water tank (13), its characterized in that: the hydraulic test device further comprises an adjusting component (2) arranged between the water pump (11) and the fluid mechanics test device body (12);

the adjusting assembly (2) comprises an adjusting box (21) arranged between the water pump (11) and the fluid mechanics testing device body (12), a communicating pipe (26) arranged between the adjusting box (21) and the fluid mechanics testing device body (12) and a baffle plate (29) arranged inside the adjusting box (21) and close to one side of the communicating pipe (26).

2. The fluid mechanics test device of claim 1 wherein: the utility model discloses a water tank, including baffle (29) and water pump (11), adjusting box (21) are inside to be close to one side of baffle (29) has been seted up the holding tank, the drain pipe of water pump (11) output installation is linked together with this holding tank, the inlet tube of water pump (11) input installation with water tank (13) are linked together, adjusting box (21) are inside to be close to one side of communicating pipe (26) has been seted up water drainage tank (210), just communicating pipe (26) are inserted and are established the inside of water drainage tank (210), water drainage tank (210) are linked together with this holding tank.

3. The fluid mechanics test device of claim 2 wherein: the upper surface fixedly connected with pinion rack (27) of baffle (29), the surface one side meshing of pinion rack (27) is connected with gear (25), the inside one side that is close to gear (25) of regulating box (21) is connected with bull stick (24) through bearing A rotation, just bull stick (24) with gear (25) fixed connection, the surface of bull stick (24) is kept away from one end fixedly connected with worm wheel (23) of gear (25), the inside one side that is close to worm wheel (23) of regulating box (21) is connected with worm (22) through bearing B rotation, just worm (22) with worm wheel (23) meshing is connected.

4. A fluid mechanics test device according to claim 3, characterized in that: dodging grooves are formed in one side, close to the gear (25), of the inner portion of the adjusting box (21), guide grooves A matched with the baffle (29) are formed in one side, close to the baffle (29), of the adjusting box (21), the baffle (29) is slidably connected with the adjusting box (21) through the guide grooves A, a guide rod (28) in an L-shaped structure is fixedly connected to one side, far away from the baffle (29), of the surface of the toothed plate (27), a guide groove B matched with the guide rod (28) is formed in one side, close to the guide rod (28), of the inner portion of the adjusting box (21), the guide rod (28) is slidably connected with the adjusting box (21), and a dial is fixedly connected to one side, close to the guide rod (28), of the surface of the adjusting box (21).

5. The fluid mechanics test device of claim 4 wherein: and a cross rod (212) is fixedly connected to one side, close to the communicating pipe (26), of the inside of the adjusting box (21), and a plurality of fan blades (211) in an annular array are rotatably connected to one side, far away from the baffle (29), of the surface of the cross rod (212) through a bearing C.

6. The fluid mechanics test device of claim 5 wherein: the alarm device also comprises an alarm assembly (3) arranged inside the water tank (13);

the alarm assembly (3) comprises a trigger (33) arranged in the water tank (13), a floating block (34) which is arranged above the trigger (33) and is of a T-shaped structure, and a buzzer (31) arranged on the upper surface of the water tank (13), wherein the buzzer (31) is electrically connected with the trigger (33).

7. The fluid mechanics test device of claim 6 wherein: the utility model discloses a water tank, including trigger (33), filter, water tank (13), water tank (34), filter, water tank (13), trigger (33) top is provided with filter (32), just filter (32) top symmetry is provided with guide plate (35) that are the slope setting, just guide plate (35) with water tank (13) fixed connection, water tank (13) inside be close to one side of floating block (34) offered with floating block (34) assorted spacing groove, floating block (34) with water tank (13) are through this spacing groove sliding connection.