Sediment average density measuring device

Abstract

The invention relates to the field of material density measurement, in particular to a sediment average density measuring device. The device comprises an average density measuring bin, an acoustic range finder, a meter, a sand discharge motor, a sand discharge valve, a fixed support, a sand suction mechanism, a computer, a display and the like. The average density measuring bin is provided with a sand adding opening and is connected with the meter, the meter is used for measuring mass, and a plurality of acoustic range finders are arranged at the inner top; the sand discharging valve is used for controlling sand discharging; the sand discharging motor is used for driving the sand discharging valve; the sand suction mechanism can suck silt into the measuring bin; the computer calculates the average sediment density according to the data of each component and displays the average sediment density through the display. The device achieves the technical effects that the average density of the sediment can be efficiently and accurately measured, the operation is convenient, and the measurement result is intuitively presented.

Description

Technical Field

[0001] The present invention relates to the field of material density measurement, in particular to a device for measuring average density of sediment. Background Art

[0002] Flume experiments related to sediment transport often require adding sediment at a constant rate to the flume inlet, and the actual amount of sediment added needs to be known. The current practice is to add sediment at regular intervals to ensure that the average rate of sediment addition remains constant.

[0003] When the sand adding rate is constant, if we need to know the weight of the added sand, we only need to know the average density of the added sand, and then confirm the volume of the added sand in a certain period of time through the sand adding rate, that is, we can calculate the weight of the added sand based on the volume of the added sand and the average density.

[0004] However, the existing sediment average density measurement method has the problems of complex operation and inaccurate measurement results. Summary of the Invention

[0005] In view of the defects existing in the prior art, the object of the present invention is to provide a sediment average density measuring device to achieve accurate measurement of sediment average density.

[0006] In order to achieve the above purpose, the technical solution adopted by the present invention is:

[0007] A device for measuring average density of sediment, comprising an average density measuring chamber, an acoustic rangefinder and a meter, wherein:

[0008] A sand filling port is formed on the upper wall of the average density measuring chamber, and the average density measuring chamber is fixedly connected to the meter;

[0009] The meter is fixedly set up and is used to measure the mass of the average density measuring chamber and sediment;

[0010] There are multiple sonic rangefinders, all of which are installed on the inner top of the average density measurement chamber.

[0011] Optionally, the sediment average density measuring device further includes a sediment discharge motor and a sediment discharge valve, wherein the sediment discharge motor is fixedly arranged on the outside of the bin wall of the average density measuring bin, and a driving wheel is installed on the driving shaft of the sediment discharge motor;

[0012] A sand outlet is formed at the bottom of the average density measurement chamber;

[0013] The sand discharge valve is slidably installed at the bottom of the average density measuring chamber. A sand discharge hole is opened on the sand discharge valve. The sand discharge valve is connected to the driving wheel. The sand discharge valve can slide under the drive of the driving wheel. The sand discharge valve can be operatively moved to close the sand outlet or moved to connect the sand discharge hole with the sand outlet.

[0014] Optionally, the driving wheel is a gear, the sand discharge valve is in an elongated shape, a rack is formed at one end of the sand discharge valve, and the rack is meshed with the driving wheel for transmission connection.

[0015] Optionally, the meter is a hanging scale, and a hanging piece of the hanging scale is fixedly connected to the top of the average density measurement chamber, and the hanging piece is a hook or a hanging rope.

[0016] Optionally, the sediment average density measuring device further includes a fixed support, which is disposed outside the average density measuring chamber, and the average density measuring chamber is spaced apart from the fixed support.

[0017] Optionally, the sand suction mechanism includes an air pump, a stirring chamber, a stirring motor, a stirring impeller, a sand adding valve and a suction pipe, wherein:

[0018] The mixing bin is fixed, with ventilation ports and sand suction ports at the top and a material discharge port at the bottom, which is connected to the sand supply port.

[0019] The air pump is fixedly arranged, and the air inlet of the air pump is sealedly connected to the vent;

[0020] One end of the suction pipe is sealedly connected to the sand suction port;

[0021] The stirring motor is fixedly arranged on the stirring chamber;

[0022] The stirring impeller is arranged inside the stirring chamber and is coaxially connected to the rotating shaft of the stirring motor;

[0023] The sand-filling valve is slidably installed at the bottom of the mixing bin. A sand-filling hole is opened on the sand-filling valve. The sand-filling valve can be operatively moved to close the discharge port or to move the sand-filling hole to be connected with the discharge port.

[0024] Optionally, the sand suction mechanism further includes a filter screen, which is installed at the connection between the air inlet and the vent of the air pump.

[0025] Optionally, a sand adding pipe is formed at the sand adding port of the average density measuring chamber, one end of the sand adding pipe is sealedly connected to the sand adding port, and the other end of the sand adding pipe is located directly below the material dropping port.

[0026] Optionally, it also includes a computer and a display, the computer is electrically connected to the meter and multiple sonic rangefinders, the computer is used to calculate the average density of sediment based on the data measured by the meter and multiple sonic rangefinders, the display is electrically connected to the computer, and the display is used to display the average density of sediment.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The sediment average density measuring device of the present application includes an average density measuring chamber, an acoustic rangefinder and a meter. The mass of the average density measuring chamber is fixed and the internal storage space is also fixed. When in use, the mass change measured by the meter can be directly identified as the actual mass of the sediment entering the average density measuring chamber. Multiple acoustic rangefinders are located on the top of the average density measuring chamber, which can fully cover the distance from each surface of the sediment to the multiple acoustic rangefinders. When the internal storage space of the average density measuring chamber is fixed, the volume of the sediment can be actually measured. According to the mass and volume of the sediment, the average density of the sediment can be accurately calculated. The device is easy to use and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0030] Figure 1 It is a schematic diagram of the overall structure of the sediment average density measuring device of the present invention.

[0031] In the figure: 1. Average density measuring chamber; 2. Sonic rangefinder; 3. Meter; 4. Sand adding port; 5. Sand outlet; 6. Sand discharge motor; 7. Sand discharge valve; 8. Fixed support; 9. Air pump; 10. Mixing chamber; 11. Mixing motor; 12. Mixing impeller; 13. Sand adding valve; 14. Suction pipe; 15. Dropping port; 16. Filter; 17. Sand adding pipe; 18. Display. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of this application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0033] Example 1

[0034] Combine Figure 1 As shown, an embodiment of the present invention discloses a sediment average density measuring device, which includes an average density measuring chamber 1, an acoustic rangefinder 2 and a meter 3.

[0035] The upper wall of the average density measurement chamber 1 is formed with a sand inlet 4, and the bottom of the average density measurement chamber 1 is formed with a sand outlet 5. The sand outlet 5 and sand inlet 4 can be of various shapes, such as circular or square. Generally, circular openings are more common. The sand inlet 4 facilitates the uniform fall of sediment into the chamber and is used to add sediment to be measured. The sand outlet 5 facilitates the uniform discharge of sediment.

[0036] The meter 3 is fixedly mounted, and the average density measurement chamber 1 is fixedly connected to the meter 3. The average density measurement chamber 1 and the meter 3 are secured together by welding, bolting, or other means to ensure a stable relative position between them during measurement, preventing factors such as shaking from affecting the mass measurement results. The meter 3 can be a weighing device such as an electronic scale or a pound scale. Selecting a meter 3 of appropriate precision ensures the accuracy of the mass measurement. In this embodiment, the meter 3 is used to measure the mass of the average density measurement chamber 1 and the sediment. In this embodiment, the meter 3 is a hanging scale, whose hanging member is fixedly connected to the top of the average density measurement chamber 1, and the hanging member is a hanging rope. The mass change measured by the meter 3 can be directly determined as the actual mass of the sediment entering the average density measurement chamber 1. Of course, in other embodiments, the hanging member can be a hook. Furthermore, in other embodiments, the meter 3 is a flat scale, and the average density measurement chamber 1 can be fixedly mounted on the flat scale.

[0037] Furthermore, the present embodiment includes multiple acoustic rangefinders 2, each of which is mounted on the inner top of the average density measurement chamber 1. Multiple acoustic rangefinders 2 are mounted on the inner top of the average density measurement chamber 1 by gluing, screwing, or other methods to ensure a secure installation and enable normal transmission and reception of acoustic signals. The acoustic rangefinders 2 can be of different types, such as ultrasonic rangefinders 2 or infrasonic rangefinders 2. Multiple acoustic rangefinders 2 can measure the distance from the surface of the sediment in the chamber to the chamber top from different positions to determine the volume of the sediment. Multiple acoustic rangefinders 2 face different directions, allowing their measurement range to fully cover the interior of the average density measurement chamber 1. When the interior space of the average density measurement chamber 1 remains unchanged, the distances between the multiple acoustic rangefinders 2 and the inner wall of the average density measurement chamber 1 remain constant. When sediment enters, the distances between the multiple acoustic rangefinders 2 change, enabling the measurement of the sediment height. Based on the dimensions of the inner wall of the average density measurement chamber 1, the sediment volume can be estimated. The meter 3 accurately measures the mass, and the sonic rangefinder 2 accurately measures the volume, and the average density of the sediment can be accurately calculated based on the formula that density equals mass divided by volume.

[0038] Furthermore, the sediment average density measuring device of this embodiment includes a sediment discharge motor 6 and a sediment discharge valve 7. Sediment discharge motor 6 is fixedly mounted on the exterior of the average density measurement chamber 1 and can be secured with a bracket or directly welded to the chamber wall. A drive wheel is mounted on the drive shaft of sediment discharge motor 6. The drive wheel can be a gear, pulley, or other type, and in this embodiment, is a gear.

[0039] A sand discharge valve 7 is slidably mounted on the bottom of the average density measurement chamber 1. It is provided with a sand discharge hole, the shape and size of which are adapted to the sand outlet 5. The sand discharge valve 7 is elongated, with a rack formed at one end. The rack meshes with a drive wheel for transmission connection. Driven by the drive wheel, the sand discharge valve 7 slides on a specially designed guide rail. The sand discharge valve 7 can be operatively moved to close the sand outlet 5 or to connect the sand discharge hole with the sand outlet 5. Specifically, when sand discharge is required, the sand discharge valve 7 slides under the drive wheel, connecting the sand discharge hole with the sand outlet 5. When sand discharge is not required, the sand discharge valve 7 slides to close the sand outlet 5. The arrangement of the sand discharge motor 6, sand discharge valve 7, drive wheel, and sand outlet 5 in this embodiment allows the sand discharge valve 7 to slide under the drive wheel, operatively closing or connecting the sand outlet 5, facilitating controlled sand discharge and subsequent operation and repeated measurements. It is easy to understand that in other embodiments, the driving wheel is a pulley, and both ends of the sand discharge valve 7 are connected to the driving wheel through a transmission belt, and the driving wheel drives the bidirectional movement of the sand discharge valve 7 through forward and reverse rotation.

[0040] Furthermore, the sediment average density measuring device of this embodiment also includes a fixed support 8, which is arranged outside the average density measuring chamber 1, and the average density measuring chamber 1 and the fixed support 8 are spaced apart. The fixed support 8 is arranged outside the average density measuring chamber 1 and spaced apart from each other, which can ensure that the normal operation of the average density measuring chamber 1 is not disturbed while playing a certain supporting and protective role, thereby reducing the risk of damage to the device due to external impacts, etc. When sediment is added, the fixed support 8 can prevent the average density measuring chamber 1 from shaking violently. After the sediment is filled, the distance between the average density measuring chamber 1 and the fixed support 8 can ensure that the mass of the average density measuring chamber 1 is not affected by external factors, thereby ensuring the accuracy of the measurement.

[0041] Furthermore, the sand suction mechanism of this embodiment includes an air pump 9, a mixing chamber 10, a mixing motor 11, a mixing impeller 12, a sand adding valve 13 and a suction pipe 14, wherein: the mixing chamber 10 is fixedly arranged, a vent and a sand suction port are provided at the upper end of the mixing chamber 10, a feeding port 15 is provided at the bottom of the mixing chamber 10, and the feeding port 15 is connected to the sand adding port 4; the air pump 9 is fixedly arranged, and the air inlet of the air pump 9 is sealedly connected to the vent; one end of the suction pipe 14 is sealedly connected to the sand suction port; the mixing motor 11 is fixedly arranged on the mixing chamber 10; the mixing impeller 12 is arranged inside the mixing chamber 10, and the mixing impeller 12 is coaxially connected to the rotating shaft of the mixing motor 11; the sand adding valve 13 is slidably installed at the bottom of the mixing chamber 10, and a sand adding hole is provided on the sand adding valve 13, and the sand adding valve 13 can be operably moved to close the feeding port 15 or moved to connect the sand adding hole with the feeding port 15. A sand suction mechanism is added, and the air pump 9, the suction pipe 14 and the stirring chamber 10 can be used to suck the sediment into the stirring chamber 10. The stirring motor 11 drives the stirring impeller 12 to stir the sediment to make it uniform. The sand adding valve 13 can control the opening and closing of the feeding port 15, so as to facilitate the adjustment of the amount of sediment entering the average density measurement chamber 1, thereby further improving the accuracy and convenience of the average density measurement of the sediment.

[0042] Furthermore, the sand suction mechanism of this embodiment further includes a filter screen 16, which is installed at the connection between the air inlet and the vent of the air pump 9. The filter screen 16 is installed at the connection between the air inlet and the vent of the air pump 9 to prevent mud and sand from entering the air pump 9, thereby avoiding damage to the air pump 9 and ensuring the normal operation of the sand suction mechanism.

[0043] Furthermore, in this embodiment, a sand feeding pipe 17 is formed at the sand feeding port 4 of the average density measurement chamber 1. One end of the sand feeding pipe is sealed with the sand feeding port 4, and the other end of the sand feeding pipe is located directly below the discharge port 15. The provision of the sand feeding pipe 17 at the sand feeding port 4 of the average density measurement chamber 1, with one end sealed with the sand feeding port 4 and the other end located directly below the discharge port 15, ensures that the sand falling from the discharge port 15 of the mixing chamber 10 accurately enters the average density measurement chamber 1, preventing sand from spilling, and improving measurement efficiency and accuracy.

[0044] Furthermore, the sediment average density measuring device of this embodiment also includes a computer and a display 18. The computer is electrically connected to the meter 3 and the multiple acoustic rangefinders 2. The computer is used to calculate the sediment average density based on the data measured by the meter 3 and the multiple acoustic rangefinders 2. The display 18 is electrically connected to the computer and is used to display the sediment average density. The computer and display 18 enable automated data processing and result display for the sediment average density measuring device. The computer automatically calculates the sediment average density based on the data measured by the meter 3 and the acoustic rangefinders 2, and the display 18 then intuitively displays the density value. The addition of the computer and display 18 makes the calculation and display of measurement results more automated and intuitive. The computer quickly and accurately calculates the sediment average density based on the measurement data, and the display 18 displays the results in real time, reducing errors caused by manual calculation and recording, and improving measurement efficiency and accuracy.

[0045] Compared with the prior art, the present invention has the following beneficial effects:

[0046] The sediment average density measuring device of the present application includes an average density measuring chamber 1, an acoustic rangefinder 2 and a meter 3. The mass of the average density measuring chamber 1 is fixed and the internal accommodation space is also fixed. When in use, the mass change measured by the meter 3 can be directly identified as the actual mass of the sediment entering the average density measuring chamber 1. The multiple acoustic rangefinders 2 are on the top of the average density measuring chamber 1, which can fully cover the distance from each surface of the sediment to the multiple acoustic rangefinders 2. When the internal accommodation space of the average density measuring chamber 1 is fixed, the volume of the sediment can be actually measured. According to the mass and volume of the sediment, the average density of the sediment can be accurately calculated. The device is easy to use and has good practicality.

[0047] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of this application, it should be understood that if the terms "upper", "lower", "left", "right", etc. indicate an orientation or position relationship, they are based on the orientation or position relationship shown in the drawings. This is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0048] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A device for measuring average sediment density, characterized by: It includes an average density measurement chamber, an acoustic range finder and a meter, including: The upper wall of the average density measuring chamber is formed with a sand adding port, and the average density measuring chamber is fixedly connected to the meter; The meter is fixedly arranged and used to measure the mass of the average density measuring chamber and the sediment; There are multiple acoustic wave rangefinders, and the multiple acoustic wave rangefinders are all installed on the inner top of the average density measurement chamber.

2. The sediment average density measuring device according to claim 1, characterized in that: It also includes a sand discharge motor and a sand discharge valve, wherein the sand discharge motor is fixedly arranged on the outside of the warehouse wall of the average density measurement warehouse, and a driving wheel is installed on the driving shaft of the sand discharge motor; A sand outlet is formed at the bottom of the average density measurement chamber; The sand discharge valve is slidably installed on the bottom of the average density measuring chamber. A sand discharge hole is opened on the sand discharge valve. The sand discharge valve is transmission-connected to the driving wheel. The sand discharge valve can slide under the drive of the driving wheel. The sand discharge valve can be operatively moved to close the sand outlet or moved to the sand discharge hole to be connected to the sand outlet.

3. The sediment average density measuring device according to claim 2, characterized in that: The driving wheel is a gear, the sand discharge valve is in an elongated shape, a rack is formed at one end of the sand discharge valve, and the rack is meshed and transmission-connected with the driving wheel.

4. The sediment average density measuring device according to claim 1, characterized in that: The meter is a hanging scale, and a hanging part of the hanging scale is fixedly connected to the top of the average density measurement bin, and the hanging part is a hook or a hanging rope.

5. The sediment average density measuring device according to claim 4, characterized in that: It also includes a fixed support, which is arranged outside the average density measurement chamber, and the average density measurement chamber is spaced apart from the fixed support.

6. The sediment average density measuring device according to claim 1, characterized in that: The invention also includes a sand suction mechanism, which includes an air pump, a stirring chamber, a stirring motor, a stirring impeller, a sand adding valve and a suction pipe, wherein: The mixing bin is fixedly arranged, a ventilation port and a sand suction port are provided at the upper end of the mixing bin, and a material discharge port is provided at the bottom of the mixing bin, and the material discharge port is connected to the sand feeding port; The air pump is fixedly arranged, and the air inlet of the air pump is sealedly connected to the vent; One end of the suction pipe is sealedly connected to the sand suction port; The stirring motor is fixedly arranged on the stirring bin; The stirring impeller is arranged inside the stirring chamber, and the stirring impeller is coaxially connected to the rotating shaft of the stirring motor; The sand-gauging valve is slidably mounted on the bottom of the mixing bin. A sand-gauging hole is provided on the sand-gauging valve. The sand-gauging valve can be operatively moved to close the material drop opening or to move the sand-gauging hole to communicate with the material drop opening.

7. The device for measuring average sediment density according to claim 6, wherein: The sand suction mechanism further comprises a filter screen, which is installed at the connection between the air inlet of the air pump and the vent.

8. The device for measuring average sediment density according to claim 6, wherein: A sand adding pipe is formed at the sand adding port of the average density measuring chamber, one end of the sand adding pipe is sealedly connected to the sand adding port, and the other end of the sand adding pipe is located directly below the material dropping port.

9. The device for measuring average sediment density according to any one of claims 1 to 8, wherein: It also includes a computer and a display, wherein the computer is electrically connected to the meter and the multiple sonic rangefinders, and the computer is used to calculate the average density of sediment based on the data measured by the meter and the multiple sonic rangefinders. The display is electrically connected to the computer, and the display is used to display the average density of sediment.

Images