CN212528230U - Mud specific weight detection control device - Google Patents
Mud specific weight detection control device Download PDFInfo
- Publication number
- CN212528230U CN212528230U CN202020483165.XU CN202020483165U CN212528230U CN 212528230 U CN212528230 U CN 212528230U CN 202020483165 U CN202020483165 U CN 202020483165U CN 212528230 U CN212528230 U CN 212528230U
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- detection
- mud
- pressure chamber
- slurry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model relates to the technical field of building construction, and provides a mud specific weight detection control device, which comprises a detection pipe with openings at two ends, wherein the lower opening end of the detection pipe is arranged below the mud liquid level; the device also comprises a negative pressure chamber, an air pump, a floating body air bag and an electromagnetic valve, wherein the floating body air bag floats on the slurry liquid level and is communicated with the negative pressure chamber through the air pump, the negative pressure chamber is communicated with the detection tube, and the electromagnetic valve is used for controlling the communication and disconnection of the negative pressure chamber and the air pump; the device comprises a pressure sensor, a controller and a slurry supplementing pump, wherein the pressure sensor is used for detecting the gas pressure in the negative pressure cavity, the controller is used for receiving a sensing signal of the pressure sensor, calculating a mud proportion value according to the received signal, and controlling the action of the stirrer and the slurry supplementing pump according to the obtained proportion value. According to the scheme, the automatic detection of the mud proportion is realized, the mud proportion is automatically adjusted according to the detection result, the automatic control of the whole process is realized, the detection efficiency is high, the result is accurate, and the control of the mud proportion range is stable.
Description
Technical Field
The utility model relates to a technical field of construction, more specifically say, relate to a mud specific gravity detects controlling means.
Background
In the construction process of a building pile hole foundation, a construction process of forming holes by using mud to protect walls is often adopted, mud has the functions of protecting the hole walls, preventing hole collapse, discharging soil slag, cooling and lubricating a drill bit and the like, in various performance indexes of the mud, the specific gravity of the mud has great influence on the hole forming process, the mud skin on the hole walls is thicker due to the overlarge specific gravity of the mud, and the mud skin is loose and low in toughness, so that the hole walls are hydrated and collapsed, the mud skin falls off, the hole cleaning is difficult, and meanwhile, the abrasion to the drill bit, the pipe, a mud pump and the like is increased; if the specific gravity of the slurry is too low, the slag discharge capability is low, the wall protection effect is poor, and hole collapse is easily caused. Therefore, in order to stabilize the hole wall and increase the scum capacity, the control of the specific gravity of the used slurry within a certain range is particularly important, at present, the control of the specific gravity of the slurry is mainly realized through manual detection, namely, a slurry detection sample is obtained manually at regular intervals, equipment such as a slurry specific gravity meter and an electronic weight scale is adopted for detection to obtain a detection result, then, according to the detection result, the slurry tank is stirred or added manually, the manual detection and control of the specific gravity of the slurry are complex in process and low in operation efficiency, and the condition that the specific gravity range of the slurry is unstable often occurs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mud proportion detection and control device aims at solving prior art, and the manual work carries out that mud proportion detects and control process is loaded down with trivial details, the operating efficiency is low, and the unstable technical problem in mud proportion scope often appears.
In order to solve the technical problem, the utility model provides a mud ratio detects controlling means, including agitator, benefit stuff pump, still include:
the detection tube is provided with an upper opening end and a lower opening end, the lower opening end is arranged below the liquid level of the slurry, and the upper opening end is arranged above the liquid level of the slurry;
the negative pressure maintaining assembly comprises a negative pressure chamber, an air pump, a floating body air bag and an electromagnetic valve, wherein the floating body air bag floats on the slurry liquid level and is communicated with the negative pressure chamber through the air pump, the negative pressure chamber is communicated with the detection pipe through the upper opening end, and the electromagnetic valve is used for controlling the communication and disconnection of the negative pressure chamber and the air pump;
the pressure sensor is arranged on the negative pressure chamber and used for detecting the gas pressure in the negative pressure chamber;
and the controller is used for controlling the action of the stirrer and the slurry supplementing pump by receiving the sensing signal of the pressure sensor.
Furthermore, a floater is arranged in the detection pipe and used for controlling the opening and closing of the electromagnetic valve by triggering a switch of the electromagnetic valve.
Further, the stirrer is connected with a stirring motor, and the controller is used for controlling the stirrer to act by means of the stirring motor.
The utility model provides a mud proportion detects controlling means's beneficial effect lies in: compared with the prior art, the mud proportion detection control device of the utility model is provided with the detection tube with openings at two ends, and the lower opening end of the detection tube is arranged below the mud liquid level; arranging a negative pressure maintaining assembly which comprises a negative pressure chamber, an air pump, a floating body air bag and an electromagnetic valve, wherein the floating body air bag floats on the slurry surface and is communicated with the negative pressure chamber through the air pump, the negative pressure chamber is communicated with a detection tube through the upper opening end of the detection tube, and the electromagnetic valve is used for controlling the communication and disconnection of the negative pressure chamber and the air pump; a pressure sensor is arranged for detecting the gas pressure in the negative pressure chamber; the controller is connected with the pressure sensor and used for receiving the sensing signal of the pressure sensor, calculating a mud proportion value according to the received signal, and controlling the action of the stirrer and the slurry replenishing pump according to the obtained proportion value. By the scheme, automatic detection of the mud proportion is realized, automatic adjustment control of the mud proportion is realized according to a detection result, the detection efficiency is high, the result is accurate, and the control of the mud proportion range is stable.
Drawings
In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, and in which:
fig. 1 is a schematic view of a mud weight detection control device according to an embodiment of the present invention;
figure 2 is a schematic top view of the float bladder of the embodiment of figure 1.
Description of reference numerals:
1. slurry; 2. a detection tube; 21. an upper open end; 22. a lower open end; 23. a float; 231. a guide bar; 3. a negative pressure maintaining assembly; 31. a negative pressure chamber; 32. an air pump; 33. a floating body airbag; 34. an electromagnetic valve; 4. a pressure sensor.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The following embodiments with reference to the drawings are illustrative and intended to explain the present invention, and should not be construed as limiting the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning mechanically or electrically connected; the connection may be direct, indirect or internal, or may be a connection between two elements or an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings:
as shown in fig. 1, in the present embodiment, the mud weight detection control device includes a detection tube 2 having an upper open end 21 and a lower open end 22, the lower open end 22 of the detection tube 2 being disposed below the liquid level of the mud 1, and the upper open end 21 being disposed above the liquid level of the mud 1. Preferably, the detection pipe 2 is a cylindrical pipe vertically arranged relative to the liquid level of the slurry 1 in the slurry tank, the cylindrical pipe is convenient to detect, the detection result is simple and quick to calculate, of course, pipes with other shapes can be adopted, such as a conical pipe with the diameter gradually reduced from bottom to top, the conical pipe can prevent sediment in the slurry from being attached to the pipe wall, and when negative pressure detection is carried out, the negative pressure value change of the conical pipe is obvious, and the specific gravity of the slurry is easy to adjust. Other shapes of detector tubes may be used and are not intended to be limiting.
The detection control device of the embodiment further comprises a negative pressure maintaining assembly 3, which comprises a negative pressure chamber 31, an air pump 32, a floating body air bag 33 and an electromagnetic valve 34, wherein the floating body air bag 33 floats on the liquid level of the slurry 1 and is communicated with the negative pressure chamber 31 through the air pump 32, the negative pressure chamber 31 is communicated with the detection tube 2 through the upper opening end 21 of the detection tube 2, and the electromagnetic valve 34 is arranged at the position where the negative pressure chamber 31 and the air pump 32 are connected to each other and used for controlling the connection and disconnection of the negative pressure chamber 31 and the air pump 32.
Alternatively, as shown in fig. 1 and 2, the floating body air bag 33 is annular, the annular floating body air bag 33 floats on the liquid level of the mud 1 in the mud pit, the upper opening end 21 of the detection tube 2 is arranged in the negative pressure chamber 31, and the lower opening end 22 of the detection tube 2 penetrates through the central ring of the annular floating body air bag 33 and then extends below the liquid level of the mud 1 in the mud pit.
The negative pressure maintaining assembly 3 mainly provides a negative pressure space, under the action of negative pressure, the slurry 1 enters the detection tube 2 from the lower opening end 22 of the detection tube 2, the slurry height in the detection tube 2 continuously rises until the set height is reached, the electromagnetic valve 34 is closed, the negative pressure chamber 31 is disconnected from the air pump 32, namely, the air pump 32 does not act on the negative pressure chamber 31 any more, so that a constant pressure is maintained in the negative pressure chamber 31. The air pressure in the negative pressure chamber 31 is detected through the pressure sensor 4, the controller connected with the pressure sensor 4 is arranged to receive a pressure signal detected by the pressure sensor 4, a mud proportion value is obtained through conversion of the mud height in the detection pipe 2 according to the received signal, and the start and stop actions of the stirrer and the slurry supplement pump are controlled according to the obtained proportion value.
The mud proportion detection control device of this embodiment has realized the automated inspection of mud proportion, and detection efficiency is high, the result is accurate, carries out operations such as automatic stirring, automatic benefit thick liquid according to the testing result simultaneously, realizes the automatic control of mud proportion, and the mud proportion scope of controlling is stable.
The conversion of the specific gravity of the slurry is carried out according to the following physical methods:
setting the height of a detection section in the detection pipe 2 as H, and measuring the pressure of clean water at the height of H in advance as P1, wherein P1 is known, and the specific gravity R1 (usually 1) of the clean water is known; the pressure of the slurry with the same height H is P2, the pressure sensor 4 can measure the value of P2, the specific gravity of the slurry is R2, and the specific gravity of the slurry R2 is (P2-P1)/H + R1 by conversion.
As shown in fig. 1, in the present embodiment, a float 23 is placed in the detection tube 2, and the float 23 controls the opening and closing of the electromagnetic valve 34 by activating the switch of the electromagnetic valve 34. Specifically, when the slurry in the detection tube 2 continuously rises under the negative pressure effect in the negative pressure chamber 31, the float 23 in the detection tube 2 floats up together with the slurry, when the slurry liquid level reaches the set height H, the float 23 just touches the switch of the electromagnetic valve 34, the electromagnetic valve 34 is electrified and closed, the air pump 32 is isolated from the negative pressure chamber 31, the air pressure in the negative pressure chamber 31 does not change any more, at the moment, the slurry liquid level in the detection tube 2 is kept at the set height H, and the air pressure in the negative pressure chamber 31 at the moment is measured by the pressure sensor 4. Alternatively, a guide rod 231 can be connected to the float 23, and when the slurry level reaches the set height H, the guide rod 231 on the float 23 just can trigger the switch of the electromagnetic valve 34, so that the electromagnetic valve 34 is electrified and closed, and the air pump 32 is isolated from the negative pressure chamber 31. Of course, the electrically powered closing of the solenoid valve 34 can also be achieved in other ways, and is only exemplified here in the above-described embodiment.
After detection is finished, the electromagnetic valve 34 is controlled to be powered off and opened through the controller, the air pump 32 does not work at the moment, air flow flows into the negative pressure chamber 31 from the floating body air bag 33 with the positive pressure inside, so that the air pressure in the negative pressure chamber 31 is gradually recovered, the liquid level of slurry in the detection pipe 2 automatically falls back downwards, the slurry in the detection pipe 2 flows back to the slurry pool again, and a detection process is finished.
In another embodiment, the stirrer is connected with a stirring motor, and the controller is connected with the stirring motor, so that the stirring motor is used for controlling the action of the stirrer. After the controller receives the pressure signal from the pressure sensor 4, data processing and data conversion operation are carried out, starting and stopping actions of the stirrer and the slurry supplementing pump are controlled according to a data result, automatic stirring and automatic slurry supplementing are realized, and the automatic regulation control of the mud proportion is realized.
During actual detection, different detection periods can be set according to different construction environments, different construction requirements and other factors, if the detection and the adjustment are automatically carried out once every 1 hour, the whole set of mud proportion detection control device can automatically operate 24 hours all day, and compared with the conventional manual regular detection, the construction cost is greatly reduced, the detection efficiency is improved, the detection result is accurate, and the quality of pile hole construction is improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides a mud specific weight detects controlling means, includes agitator, mends the pump, its characterized in that still includes:
the detection tube is provided with an upper opening end and a lower opening end, the lower opening end is arranged below the liquid level of the slurry, and the upper opening end is arranged above the liquid level of the slurry;
the negative pressure maintaining assembly comprises a negative pressure chamber, an air pump, a floating body air bag and an electromagnetic valve, wherein the floating body air bag floats on the slurry liquid level and is communicated with the negative pressure chamber through the air pump, the negative pressure chamber is communicated with the detection pipe through the upper opening end, and the electromagnetic valve is used for controlling the communication and disconnection of the negative pressure chamber and the air pump;
the pressure sensor is arranged on the negative pressure chamber and used for detecting the gas pressure in the negative pressure chamber;
and the controller is used for controlling the action of the stirrer and the slurry supplementing pump by receiving the sensing signal of the pressure sensor.
2. The mud weight detection and control device according to claim 1, wherein a float is provided in the detection pipe, and the float controls the opening and closing of the electromagnetic valve by activating a switch of the electromagnetic valve.
3. The apparatus for detecting and controlling mud weight according to claim 2, wherein a stirring motor is connected to the stirrer, and the controller is configured to control the stirrer to operate by means of the stirring motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020483165.XU CN212528230U (en) | 2020-04-03 | 2020-04-03 | Mud specific weight detection control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020483165.XU CN212528230U (en) | 2020-04-03 | 2020-04-03 | Mud specific weight detection control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212528230U true CN212528230U (en) | 2021-02-12 |
Family
ID=74523095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020483165.XU Expired - Fee Related CN212528230U (en) | 2020-04-03 | 2020-04-03 | Mud specific weight detection control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212528230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324060A (en) * | 2022-01-13 | 2022-04-12 | 中铁四局集团第二工程有限公司 | Mud hydrometer for cast-in-situ bored pile |
-
2020
- 2020-04-03 CN CN202020483165.XU patent/CN212528230U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324060A (en) * | 2022-01-13 | 2022-04-12 | 中铁四局集团第二工程有限公司 | Mud hydrometer for cast-in-situ bored pile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212528230U (en) | Mud specific weight detection control device | |
| KR100405867B1 (en) | A water-collecting equipment using pipe | |
| CN111103413A (en) | Water quality monitoring device and method | |
| CN211824630U (en) | Anti-overflow measuring device | |
| CN208547406U (en) | A kind of oily whey interface liquid level gauge of hydrometer method measurement | |
| CN215327666U (en) | Integrated form oily waste water mud volume reduction device | |
| CN105258761A (en) | Bubble type water level indicator and water body sediment concentration detection method | |
| CN211013103U (en) | Mixed water metering constant temperature control device | |
| CN204027646U (en) | A kind of air bubble type water gauge | |
| CN112362128A (en) | Liquid metering device | |
| CN217358686U (en) | Rosemary measuring device convenient to control hydrolat extraction amount | |
| CN211013164U (en) | Liquid level detection device for liquid level of oil pool | |
| CN212539350U (en) | Flotation column liquid level measuring device | |
| CN218271549U (en) | Sampling device for sewage detection | |
| CN217505545U (en) | Desulfurization absorption tower thick liquid density and pH joint measurement system | |
| CN206188416U (en) | Titanium tetrachloride evaporates cauldron subassembly and has its titanium tetrachloride production system | |
| CN220132973U (en) | Pile concrete buoyancy controller | |
| CN117950428B (en) | Cloud-based liquid level surface automatic control system and control method | |
| KR102674734B1 (en) | Monitoring device for groundwater inflow into sourface water | |
| CN221037563U (en) | Concentration tank ore pulp liquid level detection device | |
| CN217605574U (en) | Protect a structure and mud proportion controlling means | |
| CN218202241U (en) | Tail liquid tank aqueous phase level meter | |
| CN214638580U (en) | System for automatically cleaning basement waste silk | |
| CN212557659U (en) | Tar tank drainage device | |
| CN215718563U (en) | Mud liquid surface control device in bored pile casing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 |