CN217605574U - Protect a structure and mud proportion controlling means - Google Patents

Abstract

The utility model relates to a mud proportion detects technical field, concretely relates to protect a structure and mud proportion controlling means. A casing structure comprising: the protective cylinder is provided with a through hole which penetrates through the inner wall and the outer wall of the protective cylinder so as to enable the protective cylinder to be communicated inside and outside; and the mud proportion detection part is arranged on the outer wall of the pile casing and is communicated with the inner cavity of the pile casing through a through hole so as to detect the proportion of the mud. Set up the through-hole on the wall of protecting a section of thick bamboo, and set up mud proportion detection part on the outer wall of protecting a section of thick bamboo, mud proportion detection part is located the outer wall of protecting a section of thick bamboo and the clearance of stratum, the through-hole makes mud flow in to mud proportion detection part from the inside of protecting a section of thick bamboo, make the inside mud proportion of mud proportion detection part unanimous with the inside mud proportion of protecting a section of thick bamboo, mud proportion detection part is through contact mud and then real-time measurement mud proportion, effectively solved among the prior art cost of labor height, degree of automation is low, be difficult to the problem of real-time supervision mud proportion.

Description

Protect a structure and mud proportion controlling means

Technical Field

The utility model relates to a mud proportion detects technical field, concretely relates to protect a structure and mud proportion controlling means.

Background

The slurry wall protecting method is one commonly used technology in pile foundation grooving or hole forming construction, and has the functions of wall protecting seepage prevention, soil residue suspension, drilling residue carrying, hole bottom cleaning, lubricating, cooling, etc. the slurry has well controlled specific weight, viscosity and sand content, and the slurry has performance and quality capable of meeting the requirement of construction.

At present, a mud sample needs to be manually collected on site according to mud specific gravity, a mud specific gravity meter is used for measuring specific gravity, a mud cup is filled with mud to be measured, the mud overflowing from a small hole is covered and cleaned, then the mud is placed on a support, a floating weight is moved to enable a lever to be in a horizontal state, and scales shown on the left side of the floating weight are read out to be the mud specific gravity.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the mud proportion among the prior art and needing on-the-spot manual measurement, degree of automation is low, be difficult to real-time supervision's defect to a protect a structure and mud proportion controlling means is provided.

In order to solve the above problem, the utility model provides a protect a structure, include: the protective cylinder is provided with a through hole which penetrates through the inner wall and the outer wall of the protective cylinder so as to enable the protective cylinder to be communicated inside and outside; and the mud proportion detection part is arranged on the outer wall of the pile casing and is communicated with the inner cavity of the pile casing through a through hole so as to detect the proportion of the mud.

Optionally, the mud weight detection unit includes: the protective tube is provided with a vertical hollow cavity, the hollow cavity is communicated with the through hole, and the protective tube is detachably connected with the outer wall of the protective cylinder; and the mud proportion detection structure is arranged in the protective pipe to detect the proportion of the mud.

Optionally, the protection tube is connected with the outer wall of the protective cylinder in an inserting manner.

Optionally, a slot is formed in the protection tube, and a plug board matched with the slot is arranged on the outer wall of the protection tube, or a plug board is arranged on the protection tube, and a slot matched with the plug board is arranged on the outer wall of the protection tube.

Optionally, the inserting plate and the inserting groove are both L-shaped.

Optionally, the mud weight detection structure comprises two pressure sensors, and the two pressure sensors are arranged in the protection pipe up and down.

Optionally, one side of the protection tube facing the protection tube is provided with an opening, the through hole is formed in the outer wall of the protection tube corresponding to the opening, and the hollow cavity is communicated with the through hole through the opening.

Optionally, the bottom end of the protective tube is closed.

The utility model also provides a mud ratio weight controlling means, include: the mud proportion detection part is suitable for being arranged on the outer wall of the protective cylinder and is communicated with the inner cavity of the protective cylinder through a through hole on the protective cylinder so as to detect the proportion of the mud; the mud conveying part is suitable for conveying mud into the casing; and the control module is electrically connected with the mud proportion detection part and the mud conveying part and controls the mud conveying part according to the proportion of the mud detected by the mud proportion detection part so as to control the proportion of the mud in the casing.

Optionally, the mud weight detection portion further comprises a communication module, the communication module is electrically connected with the mud weight detection portion and the control module, and the communication module is used for transmitting the mud weight signal detected by the mud weight detection portion to the control module.

The utility model has the advantages of it is following:

1. set up the through-hole on the wall of protecting the section of thick bamboo, the through-hole makes mud can flow into mud proportion detection portion from the inside of protecting the section of thick bamboo, makes the mud proportion in the mud proportion detection portion unanimous with the inside mud proportion of protecting the section of thick bamboo, guarantees to measure the accuracy.

2. The mud proportion detects the structure setting in the protective tube, and the protective tube can protect mud proportion and detect the structure, can prevent that mud proportion from detecting the structure and receive the extrusion of protecting a section of thick bamboo and stratum at the during operation, effectively promotes the stability of its work.

3. Two pressure sensors are arranged on the protective sleeve to measure the pressure difference values of different heights of the slurry to calculate the specific gravity of the slurry in real time, so that the real-time monitoring of the specific gravity can be realized, and manual operation is not needed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a mud weight control device according to an embodiment of the present invention;

fig. 2 shows a schematic side view of a casing of the casing structure of an embodiment of the present invention;

FIG. 3 illustrates a schematic top view of a can of the can structure of FIG. 2;

fig. 4 shows a schematic front view of a protection tube of a casing structure according to an embodiment of the present invention;

fig. 5 shows a schematic top view of a protective tube of the jacket structure of fig. 4.

Description of reference numerals:

10. protecting the cylinder; 11. a through hole; 12. inserting plates; 20. a mud weight detection unit; 21. protecting the tube; 211. inserting slots; 22. a pressure sensor; 31. a slurry delivery pump; 32. a slurry delivery pipe; 40. a mud pit; 50. a control module; 60. a communication module; 70. the earth formation.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 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 "third" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, 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 according to specific situations by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 5, the casing structure of the present embodiment includes: the device comprises a protective cylinder 10 and a mud proportion detection part 20, wherein the protective cylinder 10 is provided with a through hole 11, and the through hole 11 penetrates through the inner wall and the outer wall of the protective cylinder 10 so as to enable the protective cylinder 10 to be communicated with the inside and the outside; the mud weight detection part 20 is arranged on the outer wall of the casing 10 and is communicated with the inner cavity of the casing 10 through the through hole 11 so as to detect the weight of mud.

Use the pile casing structure of this embodiment, set up through-hole 11 on the wall of pile casing 10, and set up mud proportion detection portion 20 on the outer wall of pile casing 10, mud proportion detection portion 20 is arranged in the clearance of the outer wall of pile casing 10 and stratum 70, through-hole 11 makes mud can flow into mud proportion detection portion from the inside of pile casing 10, make the mud proportion in the mud proportion detection portion unanimous with the inside mud proportion of pile casing 10, mud proportion detection portion 20 is through contacting mud and then real-time measurement mud proportion, when not influencing the construction and normally going on automatic detection mud proportion has effectively solved among the prior art that the cost of labor is high, degree of automation is low, be difficult to the problem of real-time supervision mud proportion.

Specifically, the shape and the position of the through hole 11 are not limited, the shape may be an ellipse, a rectangle, etc., and it is sufficient to allow the slurry to normally pass through, the position may be changed according to the actual construction environment, the number of the through holes 11 is adjusted according to the actual slurry passing condition, it is ensured that the working strength requirement of the casing 10 is satisfied while the through hole 11 is opened, the arrangement form and the arrangement position of the slurry specific gravity detection portion 20 may be changed correspondingly according to the installation condition, as long as it is ensured that the slurry specific gravity detection portion 20 can stably and correctly measure the slurry specific gravity. Preferably, an upper through hole and a lower through hole 11 are formed on the wall surface of the casing 10 to ensure the correctness of the data measured by the mud weight detecting part 20.

In the present embodiment, the mud weight detection unit 20 includes: the device comprises a protection pipe 21 and a mud proportion detection structure, wherein the protection pipe 21 is provided with a vertical hollow cavity, the hollow cavity is communicated with a through hole 11, and the protection pipe 21 is detachably connected with the outer wall of the pile casing 10; mud proportion detects the structure and sets up in protective tube 21, mud passes through-hole 11 and directly flows in protective tube 21 in with mud proportion detects the structure contact, with the proportion that detects mud, protective tube 21 can protect mud proportion and detect the structure, can prevent that mud proportion from detecting the structure and receive the extrusion of protecting section of thick bamboo 10 and stratum at the during operation, effectively promote the stability of its work, mud proportion detects the outer wall connection of structure and protective section of thick bamboo 10 simultaneously, the position of fixed mud proportion detection structure prevents that it from droing in the mud of flow.

Specifically, the protection pipe 21 may be made of metal or hard plate, and it is sufficient to protect the slurry specific gravity detection structure from normal operation, and the shape of the vertical cavity in the protection pipe 21 is selected according to the convenience of actual processing and manufacturing. It can be understood that protection tube 21 also can be the entity, only sets up the cavity at the mounted position that mud proportion detected the structure, and protection tube 21 also can be fixed connection with the outer wall of protecting section of thick bamboo 10, and mud proportion detects the structure and also can set up on the inner wall of protection tube 21, through dismantling protection tube 21 alright pull down mud proportion detection portion 20 for the installation of whole structure is more convenient with the dismantlement, makes things convenient for inspection and the maintenance in operating personnel later stage.

In this embodiment, the protection tube 21 is connected to the outer wall of the casing 10 by plugging, so that the installation and the disassembly are more convenient, and the manufacturing is also convenient. It is understood that the protection tube 21 and the outer wall of the casing 10 may be detachably connected by bolts, fixing clips, or the like.

In this embodiment, the protection tube 21 is provided with a slot 211, and the outer wall of the casing 10 is provided with an insert plate 12 matching with the slot 211, or the protection tube 21 is provided with an insert plate 12, and the outer wall of the casing 10 is provided with a slot 211 matching with the insert plate 12, and the two can be connected together by vertically inserting the slot 211 into the insert plate 12. It can be understood that, the protection tube 21 may also be provided with a slot and a plug board at the same time, and the outer wall of the protection tube 10 is provided with a plug board and a slot which are matched with the plug board and the slot, so as to enhance the stability of connection.

In this embodiment, the inserting plate 12 and the inserting groove 211 are both L-shaped, so that the inserting connection is more stable, and the processing and manufacturing are simpler while the connection stability is improved. It is understood that the board 12 and the slot 211 may be U-shaped, V-shaped, or other forms.

In this embodiment, the mud weight detecting structure includes two pressure sensors 22, the two pressure sensors 22 are disposed up and down in the protective tube 21 and immersed in the mud, and the density and the weight P of the mud are calculated in real time by measuring the pressure difference of the mud at different heights by means of the two pressure sensors 22, and the specific calculation method is as follows:

P ₁ -P ₂ ＝ρ _mud g(h ₂ -h ₁ )＝ρ _Mud gh _Δ

Wherein:

P ₁ the pressure measured by the upper pressure sensor;

P ₂ the pressure measured by the lower pressure sensor;

ρ _mud Is the density of the mud, known;

g is a gravity coefficient, known;

h ₁ the height of the upper pressure sensor from the ground is known;

h ₂ the height of the lower pressure sensor from the ground is known;

h _Δ is the height difference of the two pressure sensors;

ρ _{water (I)} Is the density of water, known;

p is the specific gravity of the slurry.

Specifically, the positions of the two pressure sensors 22 and the position of the through hole 11 can be adjusted according to different specific strata 70 in construction, and the mud specific gravity at different depths can be measured and calculated according to different setting positions, which is different from the conventional measurement and calculation mode which can only measure and calculate the mud surface specific gravity. It is understood that the mud weight detecting structure may be a differential pressure sensor, the number of the pressure sensors 22 may be two or more, and the mud weight detecting structure may be replaced according to the form of the measurement data.

In this embodiment, an opening is formed on one side of the protection pipe 21 facing the casing 10, that is, the protection pipe 21 is in an arc-shaped structure, so that the protection pipe has higher load bearing capacity and more stable structure, the through hole 11 is formed in the outer wall of the casing 10 corresponding to the opening, when the protection pipe 21 is mounted on the casing 10, mud can directly flow into the protection pipe 21 through the through hole 11, and the mud specific gravity detection structure and mud are ensured to be in direct contact with each other to measure and calculate data accurately. It is understood that the protection pipe 21 may be provided with a connection hole at a position corresponding to the through hole 11 without providing the opening in the protection pipe 21, and the slurry flows out of the through hole and then flows into the protection pipe 21 through the connection hole in the protection pipe 21.

Specifically, two ends of the opening of the protection tube 21 are bent to form the insertion slot 211, two insertion plates matched with the protection tube 10 are arranged on the outer wall of the protection tube, and the through hole 11 is arranged between the two insertion plates. It is understood that the insertion groove 211 may be separately provided on the surface of the protective tube 21.

In this embodiment, the bottom of protection tube 21 is sealed, can play the bottom pocket effect when mud proportion detects the structure and drops, protects mud proportion and detects the structure. It is understood that the bottom of protective tube 21 may not have a sealing plate.

The utility model also provides a mud ratio weight control device, it includes: the device comprises a mud proportion detection part 20, a mud conveying part and a control module 50, wherein the mud proportion detection part 20 is suitable for being arranged on the outer wall of the pile casing 10 and is communicated with the inner cavity of the pile casing 10 through a through hole 11 on the pile casing 10 so as to detect the proportion of mud; the slurry conveying part is suitable for conveying slurry into the casing 10; the control module 50 is electrically connected to the mud weight detecting unit 20 and the mud feeding unit, and the control module 50 controls the mud feeding unit based on the weight of the mud detected by the mud weight detecting unit 20 to control the weight of the mud in the casing 10.

In this embodiment, the mud weight detecting part 20 further includes a communication module 60, the communication module 60 is electrically connected to the mud weight detecting part 20 and the control module 50, the communication module 60 is configured to transmit a mud weight signal detected by the mud weight detecting part 20 to the control module 50, the communication module 60 sends the calculated mud weight information to the control module 50 in real time, and the control module 50 controls whether the mud conveying part conveys mud with high specific gravity according to the measured mud weight value, so as to adjust the mud weight in the casing 10. It is understood that the communication module 60 and the control module 50 may be electrically connected, or the communication module 60 may not be provided, and the mud weight detecting unit 20 is directly electrically connected to the control module 50.

In the present embodiment, the slurry transport section includes: a slurry delivery pump 31 and a slurry delivery pipe 32, wherein the slurry delivery pump 31 is electrically connected with the control module 50; one end of the slurry conveying pipe 32 is connected with the slurry conveying pump 31, the other end of the slurry conveying pipe extends into the casing 10, the slurry conveying pump 31 is arranged in the slurry pool 40, and the slurry conveying pump 31 pumps high-specific-gravity slurry into the casing 10 through the slurry conveying pipe 32. The slurry feed pump 31 is a submersible pump or the like.

The following describes a specific process of using the apparatus for controlling mud weight according to the present embodiment:

two pressure sensors 22 are installed on the outer wall of the pile casing 10, mud proportion information is calculated through the two pressure sensors 22, the mud proportion information is sent to the control module 50 in real time through a communication module 60 connected with the pressure sensors, when the mud proportion P is lower than the minimum value Pmin set by the system, the control module 50 controls the submersible pump to pump high-proportion mud into the pile casing, when the mud proportion P is higher than the set value Pmax of the system, the control module 50 controls the submersible pump to stop working, and the mud proportion value is guaranteed to be always in a reasonable interval.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. set up through-hole 11 on the wall of protecting section of thick bamboo 10, set up two pressure sensor on the outer wall of protecting section of thick bamboo 10, the through-hole makes during mud can flow into protection tube 21 from the inside of protecting section of thick bamboo 10, and two pressure sensor are located on the protection tube 21 inner wall and soak in mud, measure the pressure difference value of mud co-altitude through two pressure sensor and calculate the mud proportion in real time, can realize the real-time supervision of proportion, need not artifical manually operation.

2. The communication module 60 is arranged outside the two pressure sensors 22, the communication module 60 is electrically connected with the control module 50, the control module 50 can control the working state of the slurry conveying part, the communication module 60 transmits the real-time specific gravity value measured by the two pressure sensors 22 to the control module 50, the control module 50 compares the measured data with a preset reasonable specific gravity interval and automatically controls the specific gravity of the slurry to be in a reasonable range, so that the wall protection effect and the pore-forming quality are ensured.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A casing structure, comprising:

the protective cylinder (10) is provided with a through hole (11), and the through hole (11) penetrates through the inner wall and the outer wall of the protective cylinder (10) so as to enable the protective cylinder (10) to be communicated with the inside and the outside;

and the mud specific gravity detection part (20) is arranged on the outer wall of the casing (10) and is communicated with the inner cavity of the casing (10) through the through hole (11) so as to detect the specific gravity of the mud.

2. The casing structure according to claim 1, wherein the mud weight detecting section (20) includes:

the protective tube (21) is provided with a vertical hollow cavity, the hollow cavity is communicated with the through hole (11), and the protective tube (21) is detachably connected with the outer wall of the protective cylinder (10);

and a mud weight detection structure disposed in the protection pipe (21) to detect the specific weight of the mud.

3. A casing structure according to claim 2, wherein the protective tube (21) is plug-connected to the outer wall of the casing (10).

4. A casing structure according to claim 3, wherein a slot (211) is provided on the protection tube (21), an insert plate (12) fitted with the slot (211) is provided on the outer wall of the casing (10), or an insert plate (12) is provided on the protection tube (21), and a slot (211) fitted with the insert plate (12) is provided on the outer wall of the casing (10).

5. A casing structure according to claim 4, wherein the insert plate (12) and the socket (211) are both L-shaped.

6. The casing structure according to claim 2, characterized in that the mud weight detection structure comprises two pressure sensors (22), the two pressure sensors (22) being arranged one above the other in a protective tube (21).

7. A casing structure according to claim 2, wherein an opening is provided on a side of the protection tube (21) facing the casing (10), the through hole (11) is provided on an outer wall of the casing (10) corresponding to the opening, and the hollow cavity communicates with the through hole (11) through the opening.

8. A casing structure according to claim 2, characterized in that the bottom end of the protective tube (21) is closed.

9. A slurry specific weight control apparatus, comprising:

the mud specific gravity detection part (20) is suitable for being arranged on the outer wall of the casing (10) and is communicated with the inner cavity of the casing (10) through a through hole (11) in the casing (10) so as to detect the specific gravity of the mud;

a slurry delivery portion adapted to deliver slurry into the casing (10);

and the control module (50) is electrically connected with the mud weight detection part (20) and the mud conveying part, and the control module (50) controls the mud conveying part according to the weight of the mud detected by the mud weight detection part (20) so as to control the weight of the mud in the casing (10).

10. The mud weight control device according to claim 9, wherein the mud weight detecting part (20) further comprises a communication module (60), the communication module (60) is electrically connected with the mud weight detecting part (20) and the control module (50), and the communication module (60) is used for transmitting a mud weight signal detected by the mud weight detecting part (20) to the control module (50).

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