CN208999247U - Mud balance measuring instrument - Google Patents
Mud balance measuring instrument Download PDFInfo
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- CN208999247U CN208999247U CN201821602159.0U CN201821602159U CN208999247U CN 208999247 U CN208999247 U CN 208999247U CN 201821602159 U CN201821602159 U CN 201821602159U CN 208999247 U CN208999247 U CN 208999247U
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- China
- Prior art keywords
- graduated cylinder
- weighing sensor
- measuring instrument
- mud balance
- mud
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Abstract
The utility model discloses a kind of mud balance measuring instruments, including pedestal, weighing sensor, graduated cylinder seat and graduated cylinder, boss for fixing weighing sensor is equipped on pedestal, one end of weighing sensor is fixed on boss, and the other end is located at the center of pedestal and vacantly；Graduated cylinder seat is fixed at the free end top of weighing sensor, is equipped with the groove for placing graduated cylinder at graduated cylinder seat center, graduated cylinder is transparent material, and volume graduation mark is equipped on graduated cylinder barrel.The utility model is simple and reliable for structure, in addition to measuring mud balance, it can also be used to and other specific gravities are measured, are had a wide range of application, it is versatile.
Description
Technical field
The utility model relates to civil construction technical fields, and in particular to a kind of mud balance measuring instrument.
Background technique
In the work progress such as shield, drilling well, for discharge dregs and preferable supporting is formed to excavation face, is usually being excavated
Face fills mud.Different geological conditions have different requirements to the performance indicator of mud, and mud balance is mud density and water density
Ratio, be one of main performance index of mud.It is surveyed currently, the specific gravity of mud generallys use NB-1 type mud weight indicator
Amount.The type mud balance is calculated as the structure type of unequal arm balance, and this densimeter structure is simple, using extensive, but exists
Following disadvantage:
1. using unequal arm day flat structure, when leveling, which need to move left and right counterweight, makes balance reach horizontality, and leveling is time-consuming
It is more, and in leveling and reading process, there is a possibility that generating human error or mistake.
2. then covering cup lid because must fill it up with mud in mud cap when measurement, extra mud can overflow rim of a cup, need through
Often cleaning mud cap, operating process is relatively complicated, influences measurement efficiency.
3. the position of the fulcrum of balance lever, which is passivated or is infected in use dirt, will affect the sensitivity of leveling, cause to measure
Error.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of mud balance measuring instruments, can be convenient, fast, accurate
Measure mud balance.
In order to solve the above technical problems, the utility model adopts the following technical solution:
Design a kind of mud balance measuring instrument, which is characterized in that including pedestal, weighing sensor, graduated cylinder seat and graduated cylinder,
The pedestal is equipped with the boss for fixing the weighing sensor, and one end of the weighing sensor is fixed on the boss
On, the other end is located at the center of the pedestal and hanging；The graduated cylinder seat is fixed at the outstanding of the weighing sensor
Dead end top is equipped with the groove for placing the graduated cylinder at graduated cylinder seat center, and the graduated cylinder is transparent material, described
Graduated cylinder barrel is equipped with volume graduation mark.
In the above-mentioned technical solutions, weighing sensor one end is fixed on the base, the other end is hanging, on hanging one end
Portion's set amount cylinder base, for placing graduated cylinder on graduated cylinder seat, such structure enable weighing sensor directly, accurate measurement amount
Mud weight in cylinder reduces error.
Preferably, it is buckled with shell on the base, is equipped with opening in the housing central section, the graduated cylinder seat passes through institute
It states opening and is not in contact with the shell.Graduated cylinder seat is not in contact with shell, can be avoided and causes to weigh because of shell load-bearing
There is error in sensor measurement.
Preferably, cylindric limiting stand is set at the open edge of the shell, is set in the top edge of the graduated cylinder seat
There is the extension edge of turned-out folding, the top edge of the limiting stand is located at immediately below the center for hanging edge；The limiting stand not with institute
Extension edge is stated to be in contact.
Preferably, distance of the top edge of the limiting stand away from housing upper surface is greater than or equal to the extension along lower edge
Distance of the edge away from housing upper surface.
Limiting stand and extension can prevent extraneous mud or other dirts from entering enclosure interior, together along such structure setting
When so that graduated cylinder seat is not still in contact with shell, guarantee the accuracy of measurement result.The setting of limiting stand can also prevent graduated cylinder
Seat top stress is excessive and sinks, deforms, and damages weighing sensor by pressure.
Preferably, further include setting in the intracorporal control chip of the shell, signal amplifier, A/D converter, be arranged in institute
It states the display screen on shell, switch key and resets key, the weighing sensor and signal amplifier, A/D converter and control
Coremaking piece is sequentially connected electrically, the electrical connection corresponding with the control chip respectively of the display screen, switch key and clearing key.
The electric signal that weighing sensor measures passes to control chip by signal amplifier, analog-digital converter, controls core
Piece calculates in graduated cylinder after the weight of mud directly divided by the weight of isometric water to get to the mud balance, and specific gravity data exists
It is shown on display screen, the measurement of mud balance can be completed.Switch key is used for the opening and closing of instrument, resets key
For measurement data to be reset before measuring.
Preferably, the weighing sensor is fixed by screws on the boss；The graduated cylinder seat is fixed by screw
In the free end of the weighing sensor.
Preferably, the weighing sensor is parallel girder load sensor, has that measurement accuracy is high, structure is simple, the longevity
Order long feature.
Preferably, the shape of the groove and the shape of the graduated cylinder bottom match.
Preferably, the graduated cylinder is U-shaped round tube, is equipped with counter sink in the upper end of the graduated cylinder.
Preferably, the dischargeable capacity of the graduated cylinder is 100ml, the bottom surface of the counter sink and the 100ml volume of top
Graduation mark flushes.
The method measured using above-mentioned mud balance measuring instrument, including the following steps:
(1) first graduated cylinder is placed in the groove on graduated cylinder seat, mud to be measured is injected into graduated cylinder, make mud liquid level with
The bottom surface of graduated cylinder top counter sink flushes, and the mud volume in graduated cylinder is the maximum volume of graduated cylinder；
(2) electric signal of the mud weight measured is transferred to control by signal amplifier, A/D converter by weighing sensor
Coremaking piece, control chip by weight data divided by the weight of the water of same isometric(al) to get to data be exactly to measure
Mud balance, display screen show mud weight data；After measurement, graduated cylinder is cleaned into wiped clean, in case again
It uses.
The utility model has the beneficial effects that:
The utility model uses unequal arm day using the mud weight in weighing sensor directly measured quantities cylinder, with existing
The mud weight indicator of flat measurement method is compared, and operating process is easier, quick, and measurement efficiency is higher, can be avoided by artificial
Misoperation and the error generated；Dedicated graduated cylinder is used in measurement process, can be not easy to overflow with accurate measuring quantitative slurry, mud
Out, guarantee the accuracy and consistency measured every time；Graduated cylinder use level cylinder base uses, and it is convenient to pick and place, can after damage convenient for cleaning
Replacement.Weighing sensor cooperation control chip, can directly display mud balance, result data reads convenient.The utility model
It is simple and reliable for structure, in addition to measuring mud balance, it can also be used to other specific gravities are measured, are had a wide range of application, it is versatile.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of the utility model mud balance measuring instrument；
Fig. 2 is the utility model mud balance measuring instrument partial sectional view；
Fig. 3 is the partial enlarged view in Fig. 2 at A；
Fig. 4 is the control system schematic diagram of the utility model mud balance measuring instrument；
Wherein 1 is pedestal, and 2 be weighing sensor, and 3 be graduated cylinder seat, and 4 be shell, and 5 be graduated cylinder, and 51 volume graduation marks, 52 are
Counter sink；6 be switch key, and 7 be display screen, and 8 is reset key, and 9 be limiting stand, and 10 is hang edge, and 11 be boss.
Specific embodiment
Illustrate specific embodiment of the present utility model below with reference to embodiment, but following embodiment is used only in detail
Illustrate the utility model, does not limit the scope of the utility model in any way.
Embodiment 1: a kind of mud balance measuring instrument, referring to figures 1-4, including pedestal 1, weighing sensor 2, graduated cylinder seat 3
With graduated cylinder 5, the boss 11 for fixing weighing sensor is equipped on pedestal 1, one end of weighing sensor 2 is fixed by screw
On boss 11, the other end is located at the center of pedestal 1 and hanging；The bottom of graduated cylinder seat 3 is fixed at title by screw
Retransmit the free end top of sensor 2.It is equipped with the groove for placing graduated cylinder 5 at 3 center of graduated cylinder seat, graduated cylinder 5 is U-shaped transparent material
Round tube, on 5 barrel of graduated cylinder be equipped with volume graduation mark 51, the upper end of graduated cylinder be equipped with counter sink 52；The shape and amount of groove
The shape of 5 bottoms of cylinder matches.The dischargeable capacity of graduated cylinder 5 is 100ml, the bottom surface of counter sink 52 and the 100ml volume of top
Graduation mark flushes.
Shell 4 is buckled on pedestal 1, in the middle part of shell 4 be equipped with opening, graduated cylinder seat 3 pass through opening and not with 4 phase of shell
Contact.Cylindric limiting stand 9 is set at the open edge of shell 4, and the extension edge turned down outward is equipped in the top edge of graduated cylinder seat 3
10, the top edge of limiting stand 9, which is located at, to hang immediately below 10 center；Limiting stand 9 is not in contact with extension edge；The top of limiting stand 9
Distance of the edge far from 4 upper surface of shell is greater than or equal to the distance hung along 10 lower edges away from 4 upper surface of shell.
The control system of the mud balance measuring instrument includes that setting turns in the intracorporal control chip of shell, signal amplifier, A/D
Parallel operation, is arranged in display screen 7, switch key 6 and clearing key 8 on shell, and weighing sensor 2 and signal amplifier, A/D turn
Parallel operation and control chip are sequentially connected electrically, and display screen 7, switch key 6 and reset key 8 chip is corresponding is electrically connected with control respectively
It connects.Wherein, weighing sensor 2 is parallel girder load sensor.
The method that mud balance measurement is carried out using the mud balance measuring instrument in embodiment 1, including the following steps:
(1) first graduated cylinder is placed in the groove on graduated cylinder seat, mud to be measured is injected into graduated cylinder, make mud liquid level with
The bottom surface of graduated cylinder top counter sink flushes, and the mud volume in graduated cylinder is the maximum volume of graduated cylinder；
(2) electric signal of the mud weight measured is transferred to control by signal amplifier, A/D converter by weighing sensor
Coremaking piece, control chip by weight data divided by the weight of the water of same isometric(al) to get to data be exactly to measure
Mud balance, display screen show mud weight data；After measurement, graduated cylinder is cleaned into wiped clean, in case again
It uses.
Here equipment component related in the embodiment above is conventional equipment element unless otherwise instructed, control
Coremaking piece, display screen, signal amplifier, A/D converter and key, can be as needed, and selection can be realized the member of corresponding function
Device.Related connection type and control mode are connection type and control mode unless otherwise instructed.
The utility model mud balance measuring instrument, weighing sensor one end are mounted on the boss 11 of pedestal by screw,
So that its other end is in vacant state, passes through screw fixed amount cylinder base on the upside of the other end.Shell is fastened on pedestal, graduated cylinder
Seat passes through the opening of housing central section and concentric with the opening；Extension on the upside of graduated cylinder seat is along the edge with the limiting stand at shell nozzle
It is vacantly engaged, to prevent extraneous mud or other dirts from entering inside measuring instrument, while not influencing normally to measure.Graduated cylinder topmost
Graduation mark is 100ml, and when the mud liquid level being added in graduated cylinder is concordant with the bottom surface of counter sink, mud volume is in graduated cylinder
The mud balance can be obtained by the weight of mud divided by the weight (100g) of 100ml water in 100ml.
The utility model is described in detail above in conjunction with embodiment, but person of ordinary skill in the field's energy
It is enough to understand, without departing from the purpose of the present invention, each design parameter in above-described embodiment can also be carried out
Change, forms multiple specific embodiments, is the common variation range of the utility model, is no longer described in detail one by one herein.
Claims (9)
1. a kind of mud balance measuring instrument, which is characterized in that including pedestal, weighing sensor, graduated cylinder seat and graduated cylinder, at the bottom
Seat is equipped with the boss for fixing the weighing sensor, and one end of the weighing sensor is fixed on the boss, separately
One end is located at the center of the pedestal and hanging；The graduated cylinder seat is fixed on the free end of the weighing sensor
Portion is equipped with the groove for placing the graduated cylinder at graduated cylinder seat center, and the graduated cylinder is transparent material, in the graduated cylinder cylinder
Wall is equipped with volume graduation mark.
2. mud balance measuring instrument according to claim 1, which is characterized in that it is buckled with shell on the base,
The housing central section is equipped with opening, and the graduated cylinder seat passes through the opening and is not in contact with the shell.
3. mud balance measuring instrument according to claim 2, which is characterized in that set circle at the open edge of the shell
The limiting stand of tubular is equipped with the extension edge turned down outward in the top edge of the graduated cylinder seat, and the top edge of the limiting stand is located at institute
It states immediately below the center for hanging edge；The limiting stand is not in contact with the extension edge.
4. mud balance measuring instrument according to claim 3, which is characterized in that the top edge of the limiting stand is away from shell
The distance of upper surface is greater than or equal to distance of the extension along lower edge away from housing upper surface.
5. mud balance measuring instrument according to claim 2, which is characterized in that further include being arranged in the intracorporal control of the shell
Display screen, switch key and clearing key on the housing is arranged in coremaking piece, signal amplifier, A/D converter, described
Weighing sensor and signal amplifier, A/D converter and control chip are sequentially connected electrically, the display screen, switch key and clear
The electrical connection corresponding with the control chip respectively of zero key.
6. mud balance measuring instrument according to claim 2, which is characterized in that the weighing sensor is fixed by screw
On the boss；The graduated cylinder seat is fixed by screws in the free end of the weighing sensor；The weighing sensor is
Parallel girder load sensor.
7. mud balance measuring instrument according to claim 2, which is characterized in that the shape of the groove and the graduated cylinder bottom
The shape in portion matches.
8. mud balance measuring instrument according to claim 7, which is characterized in that the graduated cylinder is U-shaped round tube, in the amount
The upper end of cylinder is equipped with counter sink.
9. mud balance measuring instrument according to claim 8, which is characterized in that the dischargeable capacity of the graduated cylinder is 100ml,
The bottom surface of the counter sink is flushed with the 100ml volume graduation mark of top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821602159.0U CN208999247U (en) | 2018-09-29 | 2018-09-29 | Mud balance measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821602159.0U CN208999247U (en) | 2018-09-29 | 2018-09-29 | Mud balance measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208999247U true CN208999247U (en) | 2019-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821602159.0U Active CN208999247U (en) | 2018-09-29 | 2018-09-29 | Mud balance measuring instrument |
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| CN (1) | CN208999247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297860A (en) * | 2018-09-29 | 2019-02-01 | 中铁隧道局集团有限公司 | Mud balance measuring instrument and measurement method |
-
2018
- 2018-09-29 CN CN201821602159.0U patent/CN208999247U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297860A (en) * | 2018-09-29 | 2019-02-01 | 中铁隧道局集团有限公司 | Mud balance measuring instrument and measurement method |
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