CN215262978U

CN215262978U - Fluid viscosity coefficient-pipeline resistance coefficient measuring device

Info

Publication number: CN215262978U
Application number: CN202121418484.3U
Authority: CN
Inventors: 修志飞; 晁举庆; 张铮; 俞发贤; 李长云
Original assignee: Qinghai Normal University
Current assignee: Qinghai Normal University
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-21
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a fluid viscosity coefficient-pipeline resistance coefficient measuring device, comprising a liquid holding box, an output pipeline, a flow meter and a resistance measuring pipeline. An output pipeline is installed on one side of the liquid holding box. There is a driving pump on the pipeline, a flowmeter is installed on one side of the output pipeline, a slug-shaped pipeline is installed on one side of the flowmeter, one end of the slug-shaped pipeline is fixedly connected with the flowmeter, and the other end of the slug-shaped pipeline is installed with a resistance measurement Pipe, one side of the resistance measuring pipe is provided with an L-shaped return pipe. The beneficial effect of the utility model is that the measurement is convenient and the measurement accuracy is improved. After the resistance measurement device and the fixed ball are removed, the device becomes a pipeline resistance coefficient measurement device, which can meet the measurement requirements of different experiments, and is suitable for For different experimental requirements, the resistance measurement pipe is easy to install and disassemble, and the resistance measurement pipe can be replaced to meet the measurement requirements of different experiments and improve the practicability.

Description

Fluid viscosity coefficient-pipeline resistance coefficient measuring device

Technical Field

The utility model relates to a technical field is measured to the viscosity coefficient, specifically is a fluid viscosity coefficient-pipeline resistance coefficient measuring device.

Background

When the liquid flows, the fluid speeds of all layers parallel to the flowing direction are different, namely relative sliding exists, so that friction force is generated among all layers, the friction force is called as viscous force, the direction of the friction force is parallel to a contact surface, the size of the friction force is in direct proportion to a speed gradient and a contact area, a proportionality coefficient eta is called as a liquid viscosity coefficient, the proportionality coefficient eta is an important parameter for representing the liquid viscosity, the conventional measuring device is complex to operate, only the fluid viscosity coefficient can be measured, and the practicability is reduced.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model provides a fluid viscosity coefficient-pipeline resistance coefficient measuring device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a fluid viscosity coefficient-pipeline resistance coefficient measuring device, holds case, output pipeline, flowmeter and resistance measurement pipeline including liquid, liquid holds case one side and installs output pipeline, the last driving pump that is equipped with of output pipeline, the flowmeter is installed to output pipeline one side, flowmeter one side is equipped with Contraband type pipeline, Contraband type pipeline one end and flowmeter fixed connection, and Contraband type pipeline other end installs the resistance measurement pipeline, resistance measurement pipeline one side is equipped with L type back flow.

Preferably, the resistance measuring pipeline is provided with fixing flanges, the fixing flanges are located on the left side and the right side of the resistance measuring pipeline, one end of the Contraband-shaped pipeline is provided with a first connecting flange, one end of the L-shaped return pipe is provided with a second connecting flange, and the fixing flanges are respectively connected with the first connecting flange and the second connecting flange.

Preferably, the resistance measurement pipeline is provided with a flow stabilizer, the flow stabilizer is positioned on the left side and the right side of the resistance measurement pipeline, the resistance measurement pipeline is provided with a resistance measurement device, the resistance measurement device is positioned at the center of the top of the resistance measurement pipeline, the bottom of the resistance measurement device is provided with a connecting thin rod, the connecting thin rod penetrates through the resistance measurement pipeline and extends into the resistance measurement pipeline, and the bottom end of the connecting thin rod is provided with a fixed small ball.

Preferably, the top of the resistance measurement pipeline is provided with a fixing through hole, the fixing through hole is positioned on two sides of the top of the resistance measurement pipeline, the resistance measurement pipeline is provided with a pressure guiding pipe, one end of the pressure guiding pipe penetrates through the fixing through hole and extends into the resistance measurement pipeline, and the other end of the pressure guiding pipe extends into the liquid containing box.

Preferably, a pressure-leading valve is arranged on the pressure-leading pipe.

Preferably, the number of the pressure guiding pipes is two, and a pressure transmitter is installed at the joint of the two pressure guiding pipes.

Preferably, the fixed flange is fixedly connected with the first connecting flange and the second connecting flange through connecting bolts respectively.

Advantageous effects

The utility model provides a fluid viscosity coefficient-pipeline resistance coefficient measuring device, which has the following beneficial effects that the device is provided with glycerol or castor oil in a liquid holding box, a driving pump is started, liquid enters a resistance measuring pipeline through an output pipeline and an Contraband type pipeline, the flow of the liquid is measured through a flow meter, after the liquid passes through a flow stabilizing device, turbulence is changed into laminar flow, the laminar flow liquid enters the resistance measuring pipeline, the liquid drives a fixed small ball to deviate when flowing, the fixed small ball drives a connecting thin rod to deviate, the liquid resistance borne by the fixed small ball is measured through the resistance measuring device according to the deviation condition of the fixed small ball, the measurement is convenient, the measurement accuracy is improved, after the resistance measuring device and the fixed small ball are disassembled, the device is changed into a pipeline resistance coefficient measuring device, and according to the related data measured by the flow meter and a pressure transmitter, the resistance coefficient of the resistance measurement pipeline is calculated, the measurement requirements of different experiments are met, the resistance measurement pipeline is suitable for different experiment requirements, the resistance measurement pipeline is connected through the flange, the installation and the disassembly are convenient, the resistance measurement pipeline can be replaced, the measurement requirements of different experiments are met, and the practicability is improved.

Drawings

Fig. 1 is a schematic view of the top view structure of the main body of the present invention.

Fig. 2 is the utility model discloses a resistance measurement pipeline looks front sectional structure schematic diagram.

Fig. 3 is an enlarged schematic view of the position a of the present invention.

In the figure: 1. a liquid containing tank; 2. an output pipe; 3. a flow meter; 4. a resistance measuring conduit; 5. driving the pump; 6. model Contraband piping; 7. an L-shaped return pipe; 8. a fixed flange; 9. a first connecting flange; 10. a second connecting flange; 11. a flow stabilizer; 12. a resistance measuring device; 13. connecting the thin rod; 14. fixing the small balls; 15. a fixing through hole; 16. a pressure guiding pipe; 17. a pressure-introducing valve; 18. a pressure transmitter; 19. and connecting the bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a fluid viscosity coefficient-pipeline resistance coefficient measuring device, holds case 1, output pipeline 2, flowmeter 3 and resistance measurement pipeline 4 including liquid, liquid holds case 1 one side and installs output pipeline 2, be equipped with driving pump 5 on the output pipeline 2, flowmeter 3 is installed to output pipeline 2 one side, 3 one sides of flowmeter are equipped with

Contraband type pipeline

6, 6 one end of Contraband type pipeline and 3 fixed connection of flowmeter, and Contraband type pipeline 6 other end installs resistance measurement pipeline 4, resistance measurement pipeline 4 one side is equipped with L type back flow 7, holds case 1 at liquid and packs into glycerine or castor oil, starts driving pump 5, and liquid passes through in output pipeline 2 and the Contraband type pipeline 6 entering resistance measurement pipeline 4, measures the liquid flow through flowmeter 3.

Further, install mounting flange 8 on resistance measurement pipeline 4, and mounting flange 8 is located the resistance measurement pipeline 4 left and right sides, flange one 9 is installed to Contraband type pipeline 6 one end, flange two 10 is installed to 7 one ends of L type back flow, mounting flange 8 is connected with flange one 9 and flange two 10 respectively, resistance measurement pipeline 4 passes through the flange and connects, easy to assemble and dismantlement, can change resistance measurement pipeline 4, satisfy the measurement requirement of different experiments, and the practicality is improved.

Furthermore, a flow stabilizer 11 is arranged on the resistance measuring pipeline 4, the flow stabilizers 11 are positioned at the left side and the right side of the resistance measuring pipeline 4, a resistance measuring device 12 is arranged on the resistance measuring pipeline 4, and the resistance measuring device 12 is positioned at the center of the top of the resistance measuring pipeline 4, the bottom of the resistance measuring device 12 is provided with a connecting thin rod 13, the connecting thin rod 13 penetrates through the resistance measuring pipeline 4 and extends into the resistance measuring pipeline 4, the bottom end of the connecting thin rod 13 is provided with a fixed small ball 14, after the liquid passes through the flow stabilizing device 11, the turbulent flow is changed into laminar flow, laminar flow liquid enters the resistance measuring pipeline 4, the liquid drives the fixed small ball 14 to deflect when flowing, the fixed small ball 14 drives the connecting thin rod 13 to deflect, the resistance measuring device 12 measures the liquid resistance of the fixed small ball 14 according to the deviation condition of the fixed small ball 14, so that the measurement is convenient, and the measurement accuracy is improved.

Further, open at 4 tops of resistance measurement pipeline has fixing hole 15, and fixing hole 15 is located 4 top both sides of resistance measurement pipeline, be equipped with the pressure tube 16 on the resistance measurement pipeline 4, pressure tube 16 one end runs through fixing hole 15 and stretches into in the resistance measurement pipeline 4, and the pressure tube 16 other end stretches into liquid and holds the case 1 in, demolish back with resistance measurement device 12 and fixed bobble 14, the device just becomes pipeline resistance coefficient measuring device, according to the relevant data that flowmeter 3 and pressure transmitter 18 measured, calculate the resistance coefficient of resistance measurement pipeline 4, satisfy the measurement requirement of different experiments, be applicable to different experimental requirements.

Further, a pressure-introducing valve 17 is mounted on the pressure-introducing pipe 16.

Further, the number of the pressure guiding pipes 16 is two, and a pressure transmitter 18 is installed at the joint of the two pressure guiding pipes 16.

Further, the fixed flange 8 is fixedly connected with the first connecting flange 9 and the second connecting flange 10 through the connecting bolts 19.

The working principle is as follows: glycerol or castor oil is filled in a liquid containing box 1, a driving pump 5 is started, the driving pump 5 runs at a low speed, liquid enters a resistance measuring pipeline 4 through an output pipeline 2 and a Contraband type pipeline 6, turbulent flow is changed into laminar flow after the liquid passes through a flow stabilizing device 11, the laminar flow liquid enters the resistance measuring pipeline 4, when the liquid flows, a fixed small ball 14 is driven to deflect, the fixed small ball 14 drives a connecting thin rod 13 to deflect, the liquid resistance borne by the fixed small ball 14 is measured according to the deflection condition of the fixed small ball 14 through a resistance measuring device 12, a pressure guide valve 17 is started, the liquid at two ends of the resistance measuring pipeline 4 is guided into a pressure transmitter 18 through a pressure guide pipe 16, whether the liquid moves at a constant speed can be judged according to the condition of liquid pressure difference, and therefore whether the liquid reaches a stable state is judged, the traditional photoelectric door speed measurement is replaced, the viscosity coefficient is calculated by using a formula according to the resistance borne by the fixed small ball 14 and the liquid flow rate, the liquid is convenient to measure, the measuring accuracy is improved, and the liquid flows back into the liquid containing box 1 through the L-shaped return pipe 7 and the pressure guiding pipe 16;

demolish back with resistance measurement device 12 and fixed bobble 14, the device just becomes pipeline resistance coefficient measuring device, according to the relevant data that flowmeter 3 and pressure transmitter 18 measured, calculates the resistance coefficient of resistance measurement pipeline 4, satisfies the measurement requirement of different experiments, is applicable to different experimental requirements, and resistance measurement pipeline 4 passes through the flange and connects, and easy to assemble and dismantlement can be changed resistance measurement pipeline 4, satisfies the measurement requirement of different experiments, has improved the practicality.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fluid viscosity coefficient-pipeline resistance coefficient measuring device, comprising a liquid holding box (1), an output pipe (2), a flow meter (3) and a resistance measuring pipe (4), characterized in that the liquid An output pipe (2) is installed on one side of the holding box (1), a driving pump (5) is arranged on the output pipe (2), and a flow meter (3) is installed on one side of the output pipe (2), so the One side of the flowmeter (3) is provided with a tumbler-type pipeline (6), one end of the tumbler-type pipeline (6) is fixedly connected with the flowmeter (3), and the other end of the tumbler-type pipeline (6) is installed with a resistance measuring pipeline (4) , an L-shaped return pipe (7) is arranged on one side of the resistance measuring pipe (4).

2. A fluid viscosity coefficient-pipeline resistance coefficient measuring device according to claim 1, wherein a fixed flange (8) is installed on the resistance measuring pipe (4), and the fixed flange (8) ) is located on the left and right sides of the resistance measuring pipe (4), one end of the stub-shaped pipe (6) is installed with a connecting flange (9), one end of the L-shaped return pipe (7) is installed with a second connecting flange (10), and the fixed flange (8) are respectively connected with connecting flange one (9) and connecting flange two (10).

3. A fluid viscosity coefficient-pipeline resistance coefficient measuring device according to claim 1, wherein the resistance measuring pipe (4) is provided with a flow-stabilizing device (11), and the flow-stabilizing device (11) ) are located on the left and right sides of the resistance measuring pipe (4), the resistance measuring device (12) is installed on the resistance measuring pipe (4), and the resistance measuring device (12) is located at the top center of the resistance measuring pipe (4), and the resistance measuring device ( 12) There is a connecting thin rod (13) at the bottom, and the connecting thin rod (13) penetrates the resistance measuring pipe (4) and extends into the resistance measuring pipe (4), and the bottom end of the connecting thin rod (13) is installed with a fixed ball ( 14).

4. A fluid viscosity coefficient-pipeline resistance coefficient measuring device according to claim 1, wherein a fixed through hole (15) is opened at the top of the resistance measuring pipe (4), and the fixed through hole (15) ) is located on both sides of the top of the resistance measurement pipe (4), the resistance measurement pipe (4) is provided with a pressure-inducing pipe (16), and one end of the pressure-inducing pipe (16) penetrates the fixed through hole (15) and extends into the resistance measurement pipe (4) and the other end of the pressure-inducing pipe (16) extends into the liquid holding box (1).

5. A device for measuring fluid viscosity coefficient-pipeline resistance coefficient according to claim 4, wherein a pressure-inducing valve (17) is installed on the pressure-inducing pipe (16).

6. A fluid viscosity coefficient-pipeline resistance coefficient measuring device according to claim 4, wherein the number of the pressure-inducing pipes (16) is two, and the two pressure-inducing pipes (16) A pressure transmitter (18) is installed at the connection.

7. A fluid viscosity coefficient-pipeline resistance coefficient measuring device according to claim 2, wherein the fixing flange (8) is connected to the connecting flange one (9) and the connecting flange one (9) and the connecting bolt (19) respectively through the connecting bolt (19). The second connecting flange (10) is fixedly connected.