Test water tank device capable of automatically calibrating water depth-water flow-wave

Abstract

The utility model discloses a self-calibration water depth-water flow-wave test water tank device which comprises a water tank, one end of the water tank is provided with a water pump, the other end of the water tank is provided with a water inlet / outlet, one side of the water inlet / outlet far away from the middle part of the water tank is provided with a wave maker, and the middle part of the water tank is provided with a lifting platform which comprises a slope and a platform. The top of the slope is flush with the platform face of the platform, and a monitoring mechanism is arranged at the junction of the slope and the platform. According to the utility model, the lifting platform is arranged in the water tank, the monitoring mechanism is arranged on the lifting platform, and the height is changed through the lifting of the lifting platform, so that the rapid change of the water level in the water tank is realized; the height of the lifting platform and the output power of the water pump and the wave maker can be adjusted in real time, the needed water depth, flow speed and wave height are obtained, and the problem that the water depth and wave deviate from the water depth and wave needed by the test due to the fact that the traditional test water level is raised or lowered is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to self -rated water conservancy test technical field especially relates to a kind of self -rated water depth-water flow-wave test flume device. BACKGROUND

[0002] The conventional wave, water flow test flume usually uses fixed flume bottom elevation, to meet the water depth, water flow and wave conditions required for rating test, first drain to test water depth, then adjust water pump, and the required water flow velocity is obtained by rating, and the required wave is simulated by inputting wave-making parameters into computer. However, there are still problems in rating using the above-mentioned conventional test flume, such as the flow generating device in the test flume causing the water level at the test location to rise or decrease (depending on the pump operation mode and water flow direction, such as lowering by pumping mode flow regulation, and rising by drainage mode), and the water depth and wave height under actual water flow conditions have errors compared with the required water depth and wave height.

[0003] Therefore, we designed a self-rated water depth-water flow-wave test flume device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims to solve the problem of water level rising or decreasing in the test flume in the prior art, and the shortcomings of certain error between the required water depth and wave height and the actual generated water depth and wave height, and proposes a self-rated water depth-water flow-wave test flume device.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A self-rated water depth-water flow-wave test flume device, comprising a flume, a water pump is arranged at one end of the flume, a water inlet and outlet are arranged at the other end of the flume, a wave maker is arranged on the side of the water inlet and outlet away from the middle of the flume, a lifting platform is arranged in the middle of the flume, the lifting platform comprises a slope and a platform, the top of the slope is flush with the surface of the platform, and a monitoring mechanism is arranged at the junction of the slope and the platform.

[0007] As a further preferred scheme, a wave dissipation slope is arranged at the front and rear ends of the flume body.

[0008] As a further preferred scheme, the wave maker is a push plate type wave maker, the width of the wave making plate of the wave maker is consistent with the width of the flume, and the height of the wave making plate does not exceed three-quarters of the height of the flume body.

[0009] As a further preferred scheme, the lower part of the lifting platform is provided with a hydraulic rod for adjusting the lifting, the slope is a slope triangle structure, which is located close to the wave generator side, the platform is a cuboid structure, which is located away from the wave generator side, and the slope gradient ranges from 1:100 to 1:5.

[0010] As a further preferred scheme, the water pump is a bidirectional water pump, a plurality of water pumps are arranged side by side along the width direction of the tank, one end of the water pump is in communication with the tank, and the other end is in communication with a water reservoir storing test water, and the water inlet and outlet are in communication with the water reservoir.

[0011] As a further preferred scheme, the monitoring mechanism includes a water level meter, a flow meter and a wave height meter, and the water level meter, the flow meter and the wave height meter are installed side by side at the connection junction of the slope and the platform, and the monitoring mechanism is connected with the data transmission of the control system of the device.

[0012] As a further preferred scheme, the length of the lifting platform is one fifth of the length of the tank, and the width of the lifting platform is consistent with the width of the tank.

[0013] The utility model discloses a lifting platform is arranged in the tank, and monitoring mechanism is arranged on the lifting platform, and the height is changed through the lifting of the lifting platform, thereby realizing the quick change of the water level in the tank, and the problem of slow water adding and discharging speed and low test efficiency in the test is solved, the slope is arranged on the lifting platform, the wave shallow characteristics are utilized, the performance limitation of the wave generator is solved, and the accuracy of the test simulation of the large wave height wave is improved, the data collection and feedback of the hydrological environment in the tank are realized through the monitoring mechanism, the height of the lifting platform and the output power of the water pump and the wave generator can be adjusted in real time, the required water depth, flow rate and wave height are obtained, and the deviation problem of the water depth and wave caused by the traditional test water level heightening or reducing and the required water depth and wave in the test is solved. ACCURATE

[0014] Figure 1 It is a top view of a self-calibration water depth-water flow-wave test tank device provided by the utility model;

[0015] Figure 2 It is a side view of a self-calibration water depth-water flow-wave test tank device provided by the utility model.

[0016] The numbers in the drawing: 1, tank; 2, water pump; 3, water inlet and outlet; 4, wave generator; 5, lifting platform; 51, slope; 52, platform; 6, monitoring mechanism; 7, wave dissipation slope; 8, water reservoir. CONCRETE IMPLEMENTATION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0018] With reference to Figure 1 And Figure 2 The utility model discloses a kind of self-calibration water depth-water flow-wave test tank devices, main structure includes water tank 1, water tank 1 is 40 meters long, 5 meters wide, 2 meters high;The rest includes water pump 2, inlet and outlet 3, wave generator 4 and lifting platform 5 and monitoring mechanism 6.

[0019] Wave dissipation slope 7 for dissipating wave is arranged in the front and rear ends of the tank body of water tank 1, and the wave dissipation slope 7 can be paved with large stones.

[0020] A plurality of water pumps 2 are arranged at one end of the water tank 1 close to the wave dissipation slope 7 (the number of water pumps 2 arranged in the embodiment is 21), and an inlet and outlet 3 is arranged at the other end of the water tank 1. It should be noted that the water pump 2 in the embodiment is a bidirectional water pump, which can infinitely adjust the inflow and outflow, and the maximum power of a single water pump 2 is 0.10 m 3 / s. The plurality of water pumps 2 are arranged side by side along the width direction of the tank of the water tank 1, one end of the water pump 2 is communicated with the tank of the water tank 1, and the other end is communicated with a reservoir 8 containing test water. Since the inlet and outlet 3 is also communicated with the reservoir 8, under the operation of the water pump 2, the water in the reservoir 8 is pumped into the water tank 1. Since the water pump 2 is a bidirectional water pump, when the water pump 2 injects water into the water tank 1, the inlet and outlet 3 is a water outlet, and when the water pump 2 discharges water in the water tank 1 to the reservoir 8, the inlet and outlet 3 at this time is a water inlet. This arrangement can flexibly adjust the flow direction of water in the water tank 1 according to the test needs, and improve the convenience of the test.

[0021] The wave generator 4 is arranged at one side of the inlet and outlet 3 away from the middle of the water tank 1 (between the wave dissipation slope 7 and the inlet and outlet 3), and the wave generator 4 in the embodiment is a push plate type wave generator. The width of the wave plate of the wave generator 4 is consistent with the width of the tank of the water tank 1, and the height of the wave plate does not exceed three quarters of the height of the tank body of the water tank 1. The power of the wave generator 4 can be selected as 15 kw, the width of the wave plate is selected as 5 meters, and the height is 1.5 meters. The maximum wave height of the wave is 0.5 m, and the maximum period is 4 s. Regular waves and irregular waves of different spectrum types can be simulated.

[0022] The lifting platform 5 is arranged in the middle of the water tank 1, and the lifting platform 5 is a steel hydraulic lifting platform. The lower part of the lifting platform 5 is provided with a hydraulic rod for adjusting the lifting height of the lifting platform 5. The length of the lifting platform 5 is one fifth of the length of the water tank 1, and the width of the lifting platform 5 is consistent with the width of the tank of the water tank 1. Specifically, the size of the lifting platform 5 can be 8 meters long and 5 meters wide.

[0023] It is worth mentioning that the lifting platform 5 comprises a slope 51 and a platform 52, the slope 51 is a slope triangular structure, which is located on the side close to the wave generator 4, the platform 52 is a cuboid structure, which is located on the side away from the wave generator 4, and the slope of the slope 51 ranges from 1:100 to 1:5. The top of the slope 51 is flush with the table top of the platform 52, and the junction of the slope 51 and the platform 52 is provided with a monitoring mechanism 6 for monitoring the water level, flow rate and wave height of the upper part of the platform 52 in real time.

[0024] The monitoring mechanism 6 comprises a water level gauge, a flow rate meter and a wave height meter, which are arranged side by side at the connecting junction of the slope 51 and the platform 52, and are connected with the control system of the device for data transmission, so as to transmit the monitored water level, flow rate and wave height data to the control system, and the control system adjusts the running power of the water pump 2 and the wave generator 4 and the lifting height of the lifting platform 5 according to the monitoring data and test requirements, so as to obtain the required water depth and wave height.

[0025] The utility model discloses a lifting platform 5 is arranged in the water tank 1, and the monitoring mechanism 6 is arranged on the lifting platform 5, and the height is changed through the lifting of the lifting platform 5, thereby realizing the quick change of the water level in the water tank 1, and the problem of slow water adding and discharging speed and low test efficiency in the test is solved. The slope 51 is arranged on one side of the lifting platform 5, the wave shallow characteristics are utilized, the performance limitation of the wave generator 4 is solved, and the accuracy of the test simulation of the large wave height wave is improved. Through the data acquisition and feedback of the hydrological environment in the water tank 1 by the monitoring mechanism 6, the height of the lifting platform 5 and the output power of the water pump 2 and the wave generator 4 can be adjusted in real time, the required water depth and flow rate and wave height are obtained, and the deviation problem between the water depth and wave and the required water depth and wave caused by the high or low water level in the traditional test is solved.

[0026] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A self-calibrating water depth-current-waves test flume arrangement comprising a flume (1), characterised in that, The water tank (1) one end is equipped with water pump (2), water tank (1) the other end is provided with inlet and outlet (3), in the inlet and outlet (3) away from the water tank (1) middle side is provided with wave generator (4), water tank (1) middle part is provided with lifting platform (5), the lifting platform (5) includes slope (51) and platform (52), the slope (51) top with the platform (52) mesa flush, slope (51) and platform (52) the junction is provided with monitoring mechanism (6).

2. A self-scaling water depth-current-wave test flume apparatus according to claim 1, wherein, In the water tank (1) tank body inside front and back end is provided for wave dissipation wave dissipation slope (7).

3. A self-scaling water depth-current-wave test flume apparatus according to claim 1, wherein, The wave generator (4) is push plate type wave generator, wave generator (4) wave board width is consistent with the water tank (1) tank width, wave board height does not exceed three quarters of the water tank (1) tank height.

4. A self-scaling water depth-current-wave test flume apparatus according to claim 1, wherein, The lower part of the lifting platform (5) is provided for adjusting the hydraulic rod of lifting, the slope (51) is a bevel triangle structure, which is located near the wave generator (4) side, the platform (52) is a cuboid structure, which is located away from the wave generator (4) side, the slope (51) slope range is 1:100 to 1:

5.

5. A self-scaling water depth-current-wave test flume apparatus according to claim 1, wherein, The water pump (2) is a bidirectional water pump, along the tank width direction of water tank (1) and side by side arrangement several, one end of water pump (2) and the tank of water tank (1) is communicated, the other end and the reservoir (8) that has test water is communicated, the inlet and outlet (3) and the reservoir (8) is communicated.

6. A self-scaling water depth-current-wave test flume apparatus according to claim 1, wherein, The monitoring mechanism (6) includes water level meter, flowmeter and wave height instrument, the water level meter, flowmeter and wave height instrument are installed side by side in the connecting junction of the slope (51) and platform (52), monitoring mechanism (6) and device control system establish data transmission connection.

7. A self-scaling water depth-current-wave test flume apparatus according to claim 1 or 4, wherein, The length of the lifting platform (5) is one fifth of the length of the water tank (1), and the width of the lifting platform (5) is consistent with the tank width of the water tank (1).

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