CN215985618U - Weighing type mud hydrometer - Google Patents

Weighing type mud hydrometer Download PDF

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Publication number
CN215985618U
CN215985618U CN202121240958.XU CN202121240958U CN215985618U CN 215985618 U CN215985618 U CN 215985618U CN 202121240958 U CN202121240958 U CN 202121240958U CN 215985618 U CN215985618 U CN 215985618U
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China
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mud
module
weighing
hydrometer
lifting rope
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CN202121240958.XU
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冯师
刘晓东
戴咏
祝强
黄均龙
毛庆祥
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Shanghai Aite Automation Instrument Co ltd
Shanghai Tunnel Engineering Co Ltd
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Shanghai Aite Automation Instrument Co ltd
Shanghai Tunnel Engineering Co Ltd
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Abstract

The utility model discloses a weighing type mud hydrometer, which comprises a meter head part internally provided with a weighing sensor, wherein the top of the meter head part is connected with a meter head lifting bar, the lower part of the meter head part is provided with a through hole, and a lifting rope part connected with the lower part of the weighing sensor penetrates through the through hole and is connected with a probe. The weighing type mud hydrometer provided by the utility model can be used for conveniently detecting the mud proportion in the construction of the underground diaphragm wall. The specific gravity of the mud can be displayed by only putting the probe of the weighing type mud specific gravity meter into the mud to be measured. The weighing type mud hydrometer has simple calibration process, can also carry out on-line detection on the mud specific gravity, and can display and store the mud specific gravity detection result on an upper computer.

Description

Weighing type mud hydrometer
Technical Field
The utility model relates to a mud hydrometer, in particular to a weighing type mud hydrometer for detecting the mud gravity of underground diaphragm wall construction, belonging to the technical field of detection of technical indexes of construction mud in underground engineering.
Background
The mud weight is an important technical index in the mud preparation, the groove forming wall protection mud and the mud control index after hole cleaning in the underground continuous wall construction, and the mud weight detection error influences the underground continuous wall construction quality.
At present, an unequal-arm lever type mud hydrometer is adopted for detecting the mud proportion in the construction of an underground continuous wall. It comprises test cup, air level, test rod scale, removal weight, balance cylinder and support. Before the mud hydrometer is used each time, whether the mud hydrometer is accurate or not needs to be checked, the checking process is complicated, clean water needs to be filled in a test cup, overflowed clean water is wiped off, the measured water specific gravity is made to be 1 by increasing or decreasing metal particles in a balance cylinder, and the air level is in a horizontal position. The requirements on the material, the manufacturing precision and the maintenance of the mud hydrometer are higher, otherwise, the time for checking the mud hydrometer is long, and the detection error of the mud hydrometer is also large. Moreover, the mud weight detection result cannot be automatically recorded and remotely transmitted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a weighing type mud hydrometer. By adopting the weighing type mud hydrometer, the mud proportion can be conveniently detected, the proportion of the mud can be displayed as long as the probe is put into the mud to weigh the weight of the mud, the checking process is simple, and the detection precision is higher.
The technical scheme provided by the utility model is as follows:
the weighing type mud hydrometer comprises a gauge head part internally provided with a weighing sensor, wherein the top of the gauge head part is connected with a gauge head lifting piece, the lower part of the gauge head part is provided with a through hole, and a lifting rope part connected to the lower part of the weighing sensor penetrates through the through hole and is connected with a probe.
In some embodiments of the weighing type mud hydrometer of the present invention, the gauge head part is further provided with an internal module group inside, and the internal module group is coupled to the weighing sensor, the internal module group comprises a micro-processing module, a display processing module and an interface output module, the gauge head part is provided with a liquid crystal display and a data output connector outside, the liquid crystal display is coupled to the display processing module, and the data output connector is coupled to the interface output module.
In some embodiments of the weighted mud weight meter of the present invention, the internal module set further comprises an amplification circuit module coupled to the load cell and the micro-processing module.
In some embodiments of the weighing type mud hydrometer of the present invention, the internal module set further comprises a power conversion and voltage stabilization module, a charging module, and a battery pack module, the meter head component is further provided with a charging connector outside, and the charging connector is coupled to the battery pack module sequentially through the power conversion and voltage stabilization module and the charging module.
In some embodiments of the present invention weighing mud densitometer, the gauge head section includes an open-backed gauge head housing and a housing back cover attached to the open-backed by screws.
In some embodiments of the weighing-type mud weight meter of the present invention, the hoist rope part includes a hoist rope connection rod connected to a lower end of the weighing sensor, a hoist rope connected to a lower end of the hoist rope connection rod, and a hoist rope bolt connected to a lower end of the hoist rope for connecting the probe.
In some embodiments of the weighing type mud hydrometer of the present invention, the gauge outfit part is also provided with an operation key set outside, and the operation key set is connected with the micro-processing module, and the operation key set comprises a switching key for switching the specific gravity and the weighing function, a calibration key for calibrating the weighing type mud hydrometer, and a zero setting key for zero setting the liquid crystal display screen.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
the weighing type mud hydrometer provided by the utility model can be used for conveniently detecting the mud proportion in the construction of the underground diaphragm wall. The specific gravity of the mud can be displayed by only putting the probe of the weighing type mud specific gravity meter into the mud to be measured. The weighing type mud hydrometer has simple calibration process, can also carry out on-line detection on the mud specific gravity, and can display and store the mud specific gravity detection result on an upper computer.
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 creative efforts.
FIG. 1 is a schematic front view of a gravimetric mud densitometer of the present invention.
Fig. 2 is a schematic sectional view taken along line a-a of fig. 1.
FIG. 3 is a schematic diagram of the internal module set of the weighing mud densitometer of the present invention.
FIG. 4 is a schematic diagram of a liquid crystal display of the gravimetric mud densitometer of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
The embodiments of the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, an embodiment of the present invention provides a weighing type mud densitometer, which mainly includes: a gauge head part 1, a gauge head lifting bar 2, a fixing bolt 3, a weighing sensor 4, a lifting rope part 5 and a probe 6, and the matching device is a testing mud tank 7. The inside accommodation space that forms of gauge outfit part 1, load cell 4 places in this accommodation space, and gauge outfit is carried and is climbed 2 and is located the outside of gauge outfit part 1 and connect in the top of gauge outfit part 1, and the through-hole has been seted up to the lower part of gauge outfit part 1, connects in probe 6 after the lifting rope part 5 of load cell 4 lower part passes this through-hole. Further, the top of the weighing sensor 4 is screwed with the fixing bolt 3, and the fixing bolt penetrates through a through hole at the top of the gauge head part 1 and is connected to the gauge head lifting piece 2. The upper portion of the watch head lifting piece 2 is a circular ring with an opening on one side, the lower portion of the watch head lifting piece 2 is a thin plate with a through hole and located above the watch head part 1, the upper end of the fixing bolt 3 penetrates through the through hole in the thin plate, the head portion of the fixing bolt 3 abuts against the upper surface of the thin plate, and the weighing sensor 4, the watch head part 1 and the watch head lifting piece 2 are fixed into a whole by screwing the fixing bolt 3.
The gauge outfit part 1 is composed of a gauge outfit shell 11, a shell rear cover 12, four screws 13, an internal module group 14, a liquid crystal display screen 15, a power switch 16, an operation key group 17, a data output connector 18 and a battery charging connector 19.
The gauge head case 11 is a hollow case having an opening in the middle and a through hole in the lower part. The back cover 12 is installed at the opening of the meter head shell 11 and is connected and fixed with the meter head shell 11 through a screw 13
The internal module group 14 is located at the front part of the meter head housing 11, and as shown in fig. 3, the internal module group 14 is composed of an amplifying circuit module 141, a micro-processing module 142, a display processing module 143, an interface output module 144, a power conversion and voltage stabilization module 145, a charging module 146, and a battery pack module 147. The signals are amplified, operated and processed by the received weak signals of the weighing sensor 3, and the data are processed and then sent to the liquid crystal display screen 15 for display and sent to the data output joint 18 for analog quantity current signal output through the display processing module 143 and the interface output module 144 respectively. The power conversion and voltage stabilization module 145 converts and stabilizes the input external power and charges the battery pack module 147 through the charging module 146, so that the weighing type mud hydrometer of the utility model can work normally when the power is not connected.
The connection relationship is as follows: the amplifying circuit module 141 is coupled to the load cell 4; the micro processing module 142 is coupled to the amplifying circuit module 141; the display processing module 143 and the interface output module 144 are respectively coupled to the micro-processing module 142; the display processing module 143 is also coupled to the liquid crystal display 15; the interface output module 144 is also coupled to the data output connector 18; the battery charging joint 19, the power supply conversion and voltage stabilization module 145, the charging module 146 and the battery pack module 147 are sequentially connected; the battery pack module 147 is coupled to the micro processing module 142 and the display processing module 143 for supplying power; power switch 16 is coupled to the power supply circuit of battery pack module 147; the operation key group 17 is coupled to the micro-processing module 142, and the micro-processing module 142 is provided with a corresponding operation program to execute the instructions sent by the operation key group 17.
Wherein, after acquiring the weighing signal of the weighing sensor 4, the micro-processing module 142 can use the formula F of archimedes' lawFloating body=ρLiquid for treating urinary tract infection·g·VRow boardFormula F for balancing stress of probe in slurry liquidWeighing=GProbe head-FFloating bodyObtaining the specific gravity of the measured mud: rhoSlurry composition=k(GProbe head-FWeighing)/VProbe head
Where ρ isSlurry compositionThe specific gravity of the measured mud is unit g/cm3;GProbe headIs the probe weight, in g, a known constant; fWeighingThe weight of the probe in the slurry liquid, in g, obtained by a load cell, is a known variable; vProbe headIs the volume of the probe in cm3Are known constants; k is a correction coefficient, is a variable and is automatically generated when the weighing type mud hydrometer is calibrated. With respect to the value of k, for exampleThe following: when the weighing mud hydrometer is used for calibration, the probe is placed in water, because the specific gravity of the water is 1.00, and the specific gravity is substituted into rhoSlurry composition=k(GProbe head-FWeighing)/VProbe headIn the formula, the calibration coefficient k is obtained as VProbe head/(GProbe head-FWeighing) In the formula, FWeighingIs a known number, and is the weight of the probe weighed in the water.
As shown in fig. 4, the lcd 15 is located on the upper front of the gauge head case 11 to display the specific gravity value of the detected mud or the weight value of the object to be weighed, the lower right corner displays the available amount of the battery in the weighing type mud specific gravity meter, and the right end displays the specific gravity value unit or the weight value unit.
The power switch 16 is located at a lower portion of one side of the gauge head case 11.
The operation key group 17 is arranged at the lower part of the front surface of the gauge head shell 11 and consists of 3 keys, the left end of the operation key group is a function switching key of proportion/weighing, the middle of the operation key group is a calibration key, and the right end of the operation key group is a zero setting key.
The data output joint 18 is arranged in the middle of the other side surface of the meter head shell 11 and can output the measured mud weight value data as an analog quantity signal.
The battery charging joint 19 is arranged at the lower part of the other side surface of the gauge head shell 11, and the internal battery of the weighing type mud hydrometer can be charged by a special charger.
The load cell 4 is located in the middle inside the gauge head case 11, and is a small-sized load cell. The watch head lifting bar 2 and the weighing sensor 4 are fixed on the watch head shell 11 through the fixing screws 3.
The lifting rope part 5 consists of a lifting rope connecting rod 51 (which can adopt a round rod bolt) with a through hole at the head part at the upper part, a very fine lifting rope 52 (which can adopt a steel wire rope) at the middle part and a lifting rope bolt 53 with a through hole. The upper end of the steel wire rope penetrates through the through hole of the round rod bolt and then is wound and knotted with the steel wire rope, and the lower end of the steel wire rope penetrates through the through hole of the lifting rope bolt 53 and then is knotted into a large knot, so that the lifting rope bolt 53 cannot be separated from the steel wire rope and can bear certain load.
A round bar bolt at the upper part of the lifting rope part 5 is fixed on the weighing sensor 4 through threads, and a probe 6 is fixed on the lower end of the lifting rope part 5 through a lifting rope bolt 52 and is immersed in slurry liquid when measuring the specific gravity of the slurry.
The test mud tank 7 is an open thin-walled cylindrical container that holds the mud fluid to be tested.
When the mud specific gravity is tested, the gauge head lifting handle 2 of the weighing type mud specific gravity meter is held, the probe 6 of the weighing type mud specific gravity meter is placed into the tested mud in the tested mud tank 7, the mud submerges the probe 6, the specific gravity of the tested mud can be detected, and the specific gravity value of the mud can be displayed on the liquid crystal display screen 15. The specific gravity value of the mud can also be displayed and stored on an upper computer through the data output joint 18.
The utility model relates to a weighing type mud hydrometer, which comprises the following steps:
(1) the power switch 16 of the weighing type mud hydrometer is turned on to make the background light of the liquid crystal display 15 bright and display the available electric quantity of the battery pack module 147, if the electric quantity is insufficient, the battery pack module needs to be charged.
(2) Pressing the switch button on the left of the operation key group 17 causes the right side of the liquid crystal display 15 to display the specific gravity unit g/cm3
(3) Zero setting of a weighing type mud hydrometer: the weighing mud hydrometer is held by hand, the probe 6 is positioned in the air, then the zero setting button on the right side of the operation key group 17 is pressed, the data displayed on the liquid crystal display 15 is 0, and the zero setting of the weighing mud hydrometer is completed.
(4) Calibrating a weighing type mud hydrometer: pouring clean water into the test mud tank 7, then placing the weighing type mud hydrometer probe 6 into the test mud tank 7 filled with clean water, enabling the clean water to submerge the probe 6, and pressing a calibration button in the middle of the operation key group 17 to enable the liquid crystal display 15 to display data '1', namely completing the calibration of the weighing type mud hydrometer.
(5) And (3) detecting the specific gravity of the slurry: the clean water in the mud tank 7 is poured out, the mud with the specific gravity to be detected is poured in, the probe 6 of the weighing type mud specific gravity meter is placed in the mud tank 7 filled with the mud, the probe 6 is submerged by the mud, and the mud specific gravity data in the mud tank 7 can be displayed on the liquid crystal display 15.
(6) The detection mud proportion signal output joint 18 of the weighing type mud proportion meter can be connected to a special analog quantity wireless transmission module box, and the mud proportion detection result can be displayed and stored on an upper computer with a special program so as to adapt to the online detection of the mud proportion of the underground continuous wall construction.
(17) Zero setting and calibration steps of the weighing type mud hydrometer do not need to be carried out every time the mud proportion is detected.
The implementation effect of the utility model is as follows: the weighing type mud hydrometer provided by the utility model can be used for conveniently detecting the mud proportion in the construction of the underground diaphragm wall. The specific gravity of the mud can be displayed by only putting the probe of the weighing type mud specific gravity meter into the mud to be measured. The weighing type mud hydrometer has simple calibration process, can also carry out on-line detection of mud proportion, and the mud proportion detection result can be displayed and stored on an upper computer.
It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the technical content of the present disclosure without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (6)

1. The utility model provides a weighing type mud hydrometer which characterized in that: the gauge head part is internally provided with a weighing sensor, the top of the gauge head part is connected with a gauge head lifting bar, the lower part of the gauge head part is provided with a through hole, and a lifting rope part connected to the lower part of the weighing sensor penetrates through the through hole and is connected with a probe; the inside of gauge outfit part still is equipped with inside module group, is linked in weighing sensor, inside module group is including microprocessor module, display processing module and interface output module, the outside of gauge outfit part is provided with liquid crystal display and data output connector, liquid crystal display link in display processing module, data output connector link in interface output module.
2. The weighted mud densitometer of claim 1, wherein the internal module set further includes an amplification circuit module coupled to the load cell and the micro-processing module.
3. The weighing type mud hydrometer of claim 1, wherein the internal module set further comprises a power conversion and voltage stabilization module, a charging module and a battery pack module, a charging connector is further arranged outside the meter head part, and the charging connector is connected to the battery pack module sequentially through the power conversion and voltage stabilization module and the charging module.
4. The weighing mud densitometer of claim 1, wherein the gauge head section includes an open-back gauge head housing and a housing back cover attached to the open-back by screws.
5. The weighing mud pycnometer as claimed in claim 1, wherein the lifting rope part comprises a lifting rope connecting rod connected to a lower end of the weighing sensor, a lifting rope connected to a lower end of the lifting rope connecting rod, and a lifting rope bolt connected to a lower end of the lifting rope for connecting a probe.
6. The weighing mud hydrometer of claim 1, wherein an operation key set is further arranged outside the gauge head part and is coupled to the micro-processing module, and the operation key set comprises a switching key for switching the specific gravity and the weighing function, a calibration key for calibrating the weighing mud hydrometer, and a zero setting key for zero setting the liquid crystal display screen.
CN202121240958.XU 2021-06-03 2021-06-03 Weighing type mud hydrometer Active CN215985618U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121240958.XU CN215985618U (en) 2021-06-03 2021-06-03 Weighing type mud hydrometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121240958.XU CN215985618U (en) 2021-06-03 2021-06-03 Weighing type mud hydrometer

Publications (1)

Publication Number Publication Date
CN215985618U true CN215985618U (en) 2022-03-08

Family

ID=80574898

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121240958.XU Active CN215985618U (en) 2021-06-03 2021-06-03 Weighing type mud hydrometer

Country Status (1)

Country Link
CN (1) CN215985618U (en)

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