CN215727499U

CN215727499U - Stress densimeter

Info

Publication number: CN215727499U
Application number: CN202121378166.9U
Authority: CN
Inventors: 陈建飞
Original assignee: Chengdu Xinnuo Lihe Technology Co ltd
Current assignee: Chengdu Xinnuo Lihe Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-02-01
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a stress densimeter, which comprises a double-layer pulp storage barrel, a return pipe, a measuring barrel, a weighing sensor, a drainage pipe and a flexible connecting pipe fitting, wherein the double-layer pulp storage barrel comprises an upper-layer pulp storage barrel and a lower-layer pulp storage barrel, the upper-layer pulp storage barrel is connected with one end of the drainage pipe, the other end of the drainage pipe is connected with the flexible connecting pipe fitting, the measuring barrel comprises a feeding hole and a discharging hole, the flexible connecting pipe fitting is connected with the feeding hole of the measuring barrel, the discharging hole of the measuring barrel is connected with one end of the return pipe, the other end of the return pipe is connected with the lower-layer pulp storage barrel, and the measuring barrel is placed on the weighing sensor; the problem of real-time measurement of the density of the cement slurry under the conditions of no pressure and no return is solved; simple use and maintenance, environmental protection and no pollution.

Description

Stress densimeter

Technical Field

The utility model relates to the field of chemical irrigation automatic measurement, in particular to a stress densimeter.

Background

Chemical grouting is to prepare certain chemical materials into true solution, and pour the true solution into stratum or gap by pressure feeding equipment such as chemical grouting pump, etc. to make it permeate, diffuse, gel or solidify, so as to increase stratum strength, reduce stratum permeability, prevent stratum deformation and repair the crack of concrete building, and waterproof plugging and concrete defect reinforcing technology, and when chemical grouting is performed, the density measurement and record of chemical grout are required, and there are two kinds known at present for density meter: 1. a differential pressure densimeter which measures and converts the differential pressure change of the water column pressure; 2. nuclear densitometers, which measure on the principle of nuclear radiation.

The first one is measured by pressure change, which needs to be in direct contact with cement slurry, and has the disadvantages of easy damage to sensors, inconvenient use and maintenance and accuracy influenced by cement adhesion; second, density is measured by nuclear radiation penetration, the equipment is expensive and also nuclear contamination and the equipment is heavy.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stress densimeter, aiming at solving the problems that the existing densimeter is inconvenient to use and maintain, has large error, is easily influenced by slurry adhesion and cannot measure the density of the slurry in real time under the condition of no pressure and no return.

The utility model is realized by the following technical scheme:

the utility model provides a stress densimeter, includes double-deck thick liquid bucket, back flow, measuring vessel, weighing sensor, drainage tube and flexonics pipe fitting of storing up, double-deck thick liquid bucket of storing up includes that upper strata stores up thick liquid bucket and lower floor and stores up thick liquid bucket, upper strata stores up thick liquid bucket and is connected with drainage tube one end, the flexonics pipe fitting is connected to the drainage tube other end, the measuring vessel includes feed inlet and discharge gate, the measuring vessel feed inlet is connected to the flexonics pipe fitting, the measuring vessel discharge gate is connected with back flow one end, the back flow other end is connected lower floor and is stored up thick liquid bucket, the measuring vessel is placed on weighing sensor.

The three-way pipe comprises a first inlet, a second inlet and a first outlet, the first inlet of the three-way pipe is connected with the drainage pipe, and the first outlet of the three-way pipe is connected with the flexible connecting pipe fitting.

And one end of the slurry return pipe is connected with the second inlet of the three-way pipe, and the other end of the slurry return pipe is connected with the grouting hole.

Further, the three-way pipe three-way measuring device comprises a measuring device base, wherein the weighing sensor is installed on the measuring device base, and the measuring device base is provided with a fixing piece used for fixing the three-way pipe.

Further, double-deck thick liquid bucket that stores up is provided with communicating pipe, communicating pipe connects upper strata and stores up thick liquid bucket and lower floor and stores up thick liquid bucket, be provided with the switch valve on the communicating pipe.

Further, the feed inlet sets up in measuring barrel bottom, the discharge gate sets up in measuring barrel top.

Furthermore, the backflow pipe orifice connected with the discharge port of the measuring barrel is a horn mouth.

Furthermore, the weighing sensor is electrically connected with the end of the host computer.

Further, the top of the measuring barrel is higher than the top of the lower-layer pulp storage barrel and lower than the bottom of the upper-layer pulp storage barrel; the highest point of the slurry return pipe is higher than the top of the measuring barrel.

The utility model has the beneficial effects that:

the utility model effectively solves the problems of complexity and large error of measurement and maintenance of the existing densimeter, the differential pressure densimeter needs to be filled with oil and periodically disassembled to clean cement attached to the diaphragm, the use and transportation of the nuclear densimeter need to be correspondingly registered, and the nuclear densimeter also has the potential problem of radiation pollution to nearby workers; the utility model also solves the problem of real-time measurement of the density of the cement slurry under the conditions of no pressure and no return, and has the advantages of simple use and maintenance, environmental protection and no pollution.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a structural view of a three-way pipe of the present invention;

in the figure: 1-double-layer pulp storage barrel, 2-reflux pipe, 3-measuring barrel, 4-slurry return pipe, 5-weighing sensor, 6-measuring device base, 7-flexible connecting pipe fitting, 8-drainage pipe, 9-switching valve, 10-three-way pipe, 1001-first inlet, 1002-second inlet and 1003-first outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example 1

As shown in fig. 1, a stress densimeter, includes double-deck thick liquid bucket 1, back flow 2, measuring bucket 3, weighing sensor 5, drainage tube 8 and flexonics pipe fitting 7 of storing up, double-deck thick liquid bucket 1 of storing up includes upper strata thick liquid bucket and lower floor's thick liquid bucket, upper strata thick liquid bucket is connected with 8 one end of drainage tube, flexonics pipe fitting 7 is connected to the 8 other end of drainage tube, measuring bucket 3 includes feed inlet and discharge gate, the 3 feed inlets of measuring bucket are connected to flexonics pipe fitting 7, 3 discharge gates of measuring bucket are connected with 2 one end of back flow, the thick liquid bucket is stored up to the lower floor is connected to the 2 other end of back flow, measuring bucket 3 places on weighing sensor 5.

Further, the three-way pipe 10 comprises a three-way pipe 10, the three-way pipe 10 further comprises a first inlet 1001, a second inlet 1002 and a first outlet 1003, the first inlet 1001 of the three-way pipe 10 is connected with a drainage pipe 8, and the first outlet 1003 of the three-way pipe 10 is connected with a flexible connecting pipe fitting 7.

Further, the three-way pipe comprises a slurry return pipe 4, wherein one end of the slurry return pipe 4 is connected with the second inlet 1002 of the three-way pipe 10, and the other end of the slurry return pipe is connected with a grouting hole.

Further, the three-way pipe three-way device further comprises a measuring device base 6, the weighing sensor 5 is installed on the measuring device base 6, and a fixing piece is arranged on the measuring device base 6 and used for fixing the three-way pipe 10.

Further, double-deck thick liquid bucket 1 is provided with communicating pipe, communicating pipe connects upper strata thick liquid bucket and lower floor's thick liquid bucket, be provided with ooff valve 9 on the communicating pipe.

Further, the feed inlet sets up in measuring barrel 3 bottoms, the discharge gate sets up in measuring barrel 3 tops.

Furthermore, the opening of the return pipe 2 connected with the discharge hole of the measuring barrel 3 is a horn mouth.

Further, the weighing sensor 5 is electrically connected with the host computer end.

Further, the top of the measuring barrel 3 is higher than the top of the lower layer pulp storage barrel and lower than the bottom of the upper layer pulp storage barrel; the highest point of the slurry return pipe 4 is higher than the top of the measuring barrel 3.

Example 2

On the basis of the embodiment 1, the present embodiment proposes an operation flow of a stress densitometer, and the specific structural principle thereof is the same as that of the embodiment 1, and will not be repeated here.

Further, the operation flow of this embodiment is as follows:

the weighing sensor 5 measures the weight value of the empty measuring barrel 3 and uploads the data to the host end, the measuring barrel 3 is filled with water, the weighing sensor 5 measures the weight value of the measuring barrel 3 and uploads the data to the host end, the volume of the lower barrel is obtained through data analysis of the host end, and the real-time density of the current slurry to be measured is obtained by subtracting the weight of the empty barrel from the weight of the slurry to be measured when the slurry flows through the measuring barrel 3 and then dividing the weight of the empty barrel by the volume of the measuring barrel 3;

under the condition that there is not the back flow in the 4 pipelines of back flow, the thick liquid that awaits measuring is stored to the upper barrel of double-deck thick liquid storage bucket 1, and the thick liquid density that awaits measuring is measured to thick liquid through drainage tube 8 after flowing into measuring bucket 3 certainly, flows into the lower floor bucket of double-deck thick liquid storage bucket 1 certainly by the action of gravity after the thick liquid reaches measuring bucket 3 tops, accomplishes the thick liquid and retrieves.

Example 3

On the basis of the embodiment 1, the heights of different devices need to be adjusted to meet actual operation requirements.

Further, the operation flow of this embodiment is as follows:

in the middle of the use, the height of back thick liquid pipe 4 department must be greater than the height of measuring bucket 3, and the height of the upper strata of double-deck thick liquid storage bucket 1 stores up thick liquid barrel bottom must be greater than the height of the top of measuring bucket 3, and the upper strata of double-deck thick liquid storage bucket 1 stores up thick liquid bucket must be higher than measuring bucket 3 top and is to be able to flow freely and cross measuring bucket 3 for the thick liquid, and back thick liquid pipe 4 is higher than measuring bucket 3 and is not for letting the thick liquid to flow away from back thick liquid pipe 4.

Example 4

On the basis of the embodiment 1, an optimization mode under the condition of the presence of the back sizing is provided.

Further, the operation flow of this embodiment is as follows:

and opening a switch valve 9 on the communicating pipe to enable the slurry to flow into the lower slurry storage barrel through the upper slurry storage barrel and not to pass through the measuring barrel 3 any more to recover the slurry.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a stress densimeter, its characterized in that, includes double-deck thick liquid bucket (1), back flow (2), measuring bucket (3), weighing sensor (5), drainage tube (8) and flexonics pipe fitting (7) of storing up, double-deck thick liquid bucket (1) of storing up includes that upper strata stores up thick liquid bucket and lower floor and stores up thick liquid bucket, upper strata stores up thick liquid bucket and is connected with drainage tube (8) one end, flexonics pipe fitting (7) are connected to drainage tube (8) other end, measuring bucket (3) include feed inlet and discharge gate, measuring bucket (3) feed inlet is connected in flexonics pipe fitting (7), measuring bucket (3) discharge gate and back flow (2) one end are connected, back flow (2) other end is connected lower floor and is stored up thick liquid bucket, measuring bucket (3) are placed on weighing sensor (5).

2. The stress densitometer of claim 1, further comprising a tee (10), wherein the tee (10) further comprises a first inlet (1001), a second inlet (1002) and a first outlet (1003), the first inlet (1001) of the tee (10) is connected to the draft tube (8), and the first outlet (1003) of the tee (10) is connected to the flexible connecting tube (7).

3. The stress densitometer of claim 2, further comprising a slurry return pipe (4), wherein one end of the slurry return pipe (4) is connected to the second inlet (1002) of the three-way pipe (10), and the other end is connected to the filling hole.

4. A stress densitometer according to claim 1, characterized by a measuring device base (6), the load cell (5) being mounted on the measuring device base (6), the measuring device base (6) being provided with a fixing for fixing the three-way pipe (10).

5. The stress densitometer according to claim 1, characterized in that the double-layer slurry storage barrel (1) is provided with a communicating pipe which is connected with an upper layer slurry storage barrel and a lower layer slurry storage barrel, and the communicating pipe is provided with a switch valve (9).

6. The stress densitometer of claim 1, wherein the inlet is disposed at the bottom of the measuring barrel (3) and the outlet is disposed at the top of the measuring barrel (3).

7. The stress densitometer of claim 1, wherein the mouth of the return pipe (2) connected to the outlet of the measuring barrel (3) is flared.

8. The stress densitometer of claim 1, wherein the load cell (5) is electrically connected to the host end.

9. A stress densitometer according to claim 3, characterized by the measuring barrel (3) having a top higher than the top of the lower slurry barrel and a bottom lower than the upper slurry barrel; the highest point of the slurry return pipe (4) is higher than the top of the measuring barrel (3).