Automated Soil Removal Device for Circular Single-Compartment Caisson Sinking and Its Usage Method

Abstract

The application provides a kind of circular single-bin caisson sinking automation soil taking device and its using method, the caisson mouth is equipped with circular track, radial single beam is bridged on the circular track at both ends, track driving device drives radial single beam to rotate along the circular track, electric hoist driving device drives electric hoist to move along the length direction of radial single beam, electric hoist drives soil taking mechanism and measuring mechanism to move vertically in the caisson;The method includes construction preparation, preliminary operation, soil taking operation, post-construction measurement, process discrimination and data analysis, and the operation, measurement and establishment of the three-dimensional visualization model of the well bottom are carried out in turn according to the scale. The problems of large number of manual requirements, difficult control of mud flushing and suction path and dependence of suction time on the experience of construction personnel and divers when using undrained sinking construction method in caisson sinking construction are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of sinking well sinking construction, in particular to a circular single-bin sinking well sinking automatic soil taking device and a use method thereof. BACKGROUND

[0002] In the process of pipe jacking construction, sinking well sinking construction is an important link. According to different field geological conditions, sinking well sinking construction can be divided into drainage sinking construction and non-drainage sinking construction.

[0003] In some field geological drainage difficult projects, non-drainage sinking construction is often used. The non-drainage sinking construction needs to make the water level in the sinking well slightly higher than the underground water level outside the well. In the traditional construction method, a cutter is used to excavate the bottom soil, a high-pressure water gun is used to flush the sinking well bottom sinking soil, and the reduced soil exists in the form of mud in the well, and at the same time, a mud suction pump is erected to suck out high-concentration mud, the mud suction pump is stabilized in the well by a simple floating pontoon, and the effect of taking mud needs to rely on the judgment and operation of divers. Using the traditional non-drainage sinking construction method, the number of workers is large, the mud flushing and mud suction path is difficult to accurately control, and uneven settlement of the sinking well bottom is easy to cause, the mud suction time is determined by the experience of construction personnel, and the construction quality cannot be accurately controlled. Involving underwater construction, the safety risk is large. SUMMARY

[0004] The main purpose of the present application is to provide a circular single-bin sinking well sinking automatic soil taking device and a use method thereof, which solves the problems of large number of workers required, difficult to grasp the mud flushing and mud suction path, and mud suction time depending on the experience of construction personnel and divers when the non-drainage sinking construction method is used in sinking well sinking construction.

[0005] To solve the above technical problems, the technical scheme adopted by the present application is: a circular single-bin sinking well sinking automatic soil taking device, a circular track is arranged at the sinking well mouth, a radial single beam is connected across the circular track at both ends, and the length direction of the radial single beam passes through the center of the circular track, a track driving device drives the radial single beam to rotate along the circular track, an electric hoist, an electric hoist driving device, a soil taking mechanism and a measuring mechanism are arranged on the radial single beam, the electric hoist driving device drives the electric hoist to move along the length direction of the radial single beam, the electric hoist drives the soil taking mechanism and the measuring mechanism to move vertically in the sinking well, and the soil taking mechanism and the measuring mechanism are used for mud suction and measuring the bottom working elevation.

[0006] In the preferred scheme, the soil taking mechanism includes a mud suction pump, a high-pressure water gun and an end mill, the upper end of the mud suction pump is connected with the lifting rope of the electric hoist, the lower end of the mud suction pump is connected with the lifting rope of the electric hoist, the suction port of the mud suction pump faces the well bottom, the suction port is also provided with an end mill, high-pressure water guns are arranged on both sides of the mud suction pump, and the injection ports of the high-pressure water guns face the well bottom, and the pump pipe of the mud suction pump extends from one side of the mud suction pump to outside the sinking well.

[0007] In the preferred solution, the measuring mechanism comprises a weight and a measuring rope, the weight is connected to the electric hoist through the measuring rope, and the weight is a structure with a certain weight formed by welding a plurality of short steel bars.

[0008] In the preferred solution, the measuring mechanism further comprises a measuring rope weight monitoring module and a measuring rope length measuring module for detecting the change of the hoisted weight of the measuring rope and the length of the measuring rope.

[0009] In the preferred solution, the radial single-beam two-end track driving device is further provided with a track stroke encoder for measuring the walking angle position of the radial single beam.

[0010] The electric hoist is further provided with a radial stroke encoder for measuring the position of the electric hoist on the radial single beam.

[0011] In the preferred solution, a main controller is further provided, and the track stroke encoder, the radial stroke encoder, the measuring rope weight monitoring module, the measuring rope length measuring module, and the main controller are electrically connected to drive the track driving device, the electric hoist, the electric hoist driving device, and the soil taking mechanism.

[0012] In the preferred solution, the circular track comprises a track base with a cross-section in the shape of an I-beam, and the circular track is arranged at the caisson mouth through the track base.

[0013] Alternatively, the circular track is arranged at the caisson mouth through a plurality of adjustable supports connected with the track base, the adjustable support comprises a height adjusting mechanism, a radial adjusting mechanism, and a track fixing mechanism, the adjustable support is fixed on the ground of the caisson mouth through a ground anchor, the adjustable supports are evenly arranged along the circumference of the circular track, and the number of the adjustable supports is at least three.

[0014] In the preferred solution, the height adjusting mechanism is connected with the ground anchor through a first long circular hole at one end of the bottom plate, one end of the rotating arm is rotatably connected with the other end of the bottom plate, one end of the rotating arm is rotatably connected with one end of the top plate above the bottom plate, the middle part of the rotating arm is rotatably connected with the moving arm, the two ends of the rotating arm are provided with adjusting pins, the two sides of the upper surface of the bottom plate and the lower surface of the top plate are provided with comb plates, and the adjusting pins are located in the corresponding tooth grooves of the comb plates.

[0015] In the preferred solution, the radial adjusting mechanism comprises a moving plate and a first double-headed bolt, four second long circular holes are symmetrically arranged on the top plate, four first double-headed bolts pass through the four corners of the moving plate and are connected with the top plate through the corresponding second long circular holes.

[0016] The track fixing mechanism comprises a jacking rod, a jacking rod support, a pressing plate and a second double-end bolt, the middle part of the moving plate is provided with the jacking rod support, the jacking rod is threadedly connected with the upper end of the jacking rod support, one end of the jacking rod passes through the jacking rod support and abuts against one side of the web plate of the track foundation I-shaped structure, the pressing plate is in Z-shaped structure, one end of the pressing plate abuts against one side of the lower flange of the track foundation, the other end of the pressing plate is provided with a third long circular hole, and the second double-end bolt passes through the third long circular hole to press the lower flange of the track foundation between the pressing plate and the front end of the moving plate.

[0017] In the preferred scheme, a method for using a circular single-chamber caisson sinking automatic soil taking device, the method comprising:

[0018] S1, construction preparation: install and adjust the complete set of circular single-chamber caisson sinking automatic soil taking device;

[0019] S2, preliminary operation: according to the size of the caisson and the operation range of the soil taking mechanism, divide the circular track into minutes and set the scale, set the working time in each scale, initially place the radial single beam at the scale 1 position, control the electric hoist to lower the soil taking mechanism and the measuring mechanism to the operation position, and suspend the measuring mechanism slightly above the operation surface;

[0020] S3, soil taking operation: the soil taking mechanism starts operation, the main controller starts timing, the track travel encoder and the radial travel encoder record the operation position of the electric hoist;

[0021] S4, post-construction measurement: when the specified operation time is reached, the soil taking mechanism stops operation, the measuring mechanism starts operation, the measuring rope weight monitoring module obtains the lowering condition of the measuring weight by detecting the sudden change of the hoisting weight data, and the measuring rope length measurement module records the operation bottom elevation;

[0022] S5, process discrimination: after the operation bottom elevation measurement is completed, the measuring weight is pulled up and lowered multiple times, whether the mud concentration is qualified is judged according to the hoisting weight measured by the measuring rope weight monitoring module, and whether to continue to suck mud or to proceed to the next step is determined based on this;

[0023] S6, data analysis: a three-dimensional model is established according to the position information and the bottom elevation information obtained by measurement, and the caisson bottom operation condition is visualized;

[0024] S7, the electric hoist moves radially along the radial single beam to the next operation point, and steps S2-S6 are repeated;

[0025] S8, after the operation of the radial single beam on one scale is completed, the track driving device drives the radial single beam to move to the next scale;

[0026] S9, steps S2-S8 are repeated until the caisson lowering is completed.

[0027] The application provides a circular single-bin caisson sinking automatic soil taking device and a use method thereof, wherein a track driving device drives a radial single beam to rotate along a circular track of a caisson mouth, an electric hoist driving device drives an electric hoist to move along the length direction of the radial single beam, and the electric hoist drives a soil taking mechanism and a measuring mechanism to vertically move in the caisson, work point information is obtained through a track stroke encoder and a radial stroke encoder, work height and work effect information are obtained through a measuring rope weight monitoring module and a measuring rope length measuring module, a three-dimensional model is established, the caisson bottom work condition is visualized, and work steps are automatically planned. The automatic intelligent device is adopted, manual labor is effectively saved, and construction efficiency is improved, the mud flushing and mud suction paths are accurately controlled through a program, a three-dimensional model is drawn combined with the measuring information, the caisson bottom work condition can be directly and intuitively observed, the mud suction time is accurately grasped through the mud concentration, and the construction quality is improved. The problems that a large number of manual labors are required, the mud flushing and mud suction paths are difficult to grasp, and the mud suction time depends on the experience of construction personnel and divers when the non-draining sinking construction method is used in the caisson sinking construction are solved. BRIEF DESCRIPTION OF DRAWINGS

[0028] The application will be further described below in combination with the drawings and embodiments:

[0029] Figure 1 is a schematic view of a top structure of the overall device of the application;

[0030] Figure 2 is a schematic view of a construction plane structure of the overall device of the application;

[0031] Figure 3 is a structure view of the electric hoist of the application;

[0032] Figure 4 is a structure view of the soil taking mechanism of the application;

[0033] Figure 5 is a structure view of the measuring hammer of the application;

[0034] Figure 6 is an installation structure view of the circular track and the adjustable support of the application;

[0035] Figure 7 is an axonometric structure view of the installation point of the adjustable support of the application;

[0036] Figure 8 is an axonometric structure view of the adjustable support in an explosion mode of the application;

[0037] Figure 9 is a sectional structure view of the adjustable support of the application.

[0038] In the diagram: 1. Circular track; 101. Track foundation; 2. Radial single beam; 3. Track drive device; 4. Electric hoist; 5. Electric hoist drive device; 6. Soil removal mechanism; 601. Mud suction pump; 602. High-pressure water gun; 603. End mill; 7. Measuring mechanism; 701. Measuring rope; 702. Track travel encoder; 8. Radial travel encoder; 9. Measuring rope load monitoring module; 10. Measuring rope length measurement module; 11. Main controller; 12. Adjustable support; 13. Height adjustment mechanism; 1301. Base plate; 1301 1; Top plate 13012; Rotating arm 13013; Moving arm 13014; Adjusting pin 13015; Comb plate 13016; Second oblong hole 13017; First oblong hole 13018; Radial adjustment mechanism 1302; Moving plate 13021; ​​First double-ended bolt 13022; Track fixing mechanism 1303; Tightening rod 13031; Top rod support 13032; Pressure plate 13033; Second double-ended bolt 13034; Third oblong hole 13035; Ground anchor 14. Detailed Implementation

[0039] Example 1

[0040] like Figures 1-5 As shown, an automated soil removal device for a circular single-compartment caisson has a circular track 1 at the caisson opening. A radial single beam 2 spans across the circular track 1 at both ends, with its length passing through the center of the circular track 1. A track drive device 3 drives the radial single beam 2 to rotate along the circular track 1. An electric hoist 4, an electric hoist drive device 5, a soil removal mechanism 6, and a measuring mechanism 7 are mounted on the radial single beam 2. The electric hoist drive device 5 drives the electric hoist 4 to move along the length of the radial single beam 2. The electric hoist 4 drives the soil removal mechanism 6 and the measuring mechanism 7 to move vertically inside the caisson for suctioning mud and measuring the bottom working elevation.

[0041] In the preferred embodiment, the soil extraction mechanism 6 includes a mud suction pump 601, a high-pressure water gun 602, and an end mill 603. The upper end of the mud suction pump 601 is connected to the hoisting rope of the electric hoist 4, and the lower end of the mud suction port faces the bottom of the well. The mud suction port is also equipped with an end mill 603. High-pressure water guns 602 are provided on both sides of the mud suction pump 601, and their spray nozzles face the bottom of the well. The pump pipe of the mud suction pump 601 extends from one side of the mud suction pump 601 to the outside of the caisson.

[0042] In a preferred embodiment, the measuring mechanism 7 includes a measuring hammer 701 and a measuring rope 702. The measuring hammer 701 is connected to the electric hoist 4 through the measuring rope 702. The measuring hammer 701 is a structure with a certain weight, which is welded from multiple short steel bars.

[0043] In a preferred embodiment, the measuring mechanism 7 further includes a rope weight monitoring module 10 and a rope length measuring module 11, used to detect changes in the weight of the rope 702 and the length of the rope 702.

[0044] In a preferred embodiment, the track drive devices 3 at both ends of the radial single beam 2 are further provided with track travel encoders 8, which are used to measure the travel angle position of the radial single beam 2;

[0045] The electric hoist 4 is also equipped with a radial stroke encoder 9, which is used to measure the position of the electric hoist 4 on the radial single beam 2.

[0046] In the preferred embodiment, a main controller 12 is also provided. The track stroke encoder 8, radial stroke encoder 9, rope weight monitoring module 10, and rope length measurement module 11 are electrically connected to the main controller 12 to drive the track drive device 3, electric hoist 4, electric hoist drive device 5, and soil extraction mechanism 6.

[0047] In a preferred embodiment, the circular track 1 includes a track foundation 101 with an I-shaped cross-section, and the circular track 1 is set at the wellhead through the track foundation 101.

[0048] This invention uses a circular track 1, which is adapted to the circular contour of the caisson opening, as the construction foundation. This allows the automated sinking drive device to cover the required working plane. Simultaneously, the weight of the traveling device on the radial single beam 2 is evenly distributed onto the circular track 1 through bridging, preventing the collapse of any wellhead. The overall device structure is simple and reliable, the drive mechanism is a common industrial drive device, and the overall cost is low. It is an effective structure that saves labor and improves construction efficiency.

[0049] Example 2

[0050] Further explanation in conjunction with Example 1, such as Figures 1-9 As shown, the circular track 1 is installed at the caisson opening via multiple adjustable supports 13 connected to the track foundation 101. Each adjustable support 13 includes a height adjustment mechanism 1301, a radial adjustment mechanism 1302, and a track fixing mechanism 1303. The adjustable supports 13 are fixed to the ground at the caisson opening via ground anchors 14. The adjustable supports 13 are evenly arranged along the circumference of the circular track 1, and there are at least three of them.

[0051] In the preferred embodiment, the height adjustment mechanism 1301 is connected to the ground anchor 14 through the first elongated hole 13018 at one end of the base plate 13011. One end of the rotating arm 13013 is rotatably connected to the other end of the base plate 13011, and the other end is rotatably connected to one end of the top plate 13012 above the base plate 13011. The middle part of the rotating arm 13013 is rotatably connected to the moving arm 13014. Adjusting pins 13015 are provided at both ends of the rotating arm 13013. Comb plates 13016 are provided on both sides of the upper surface of the base plate 13011 and the lower surface of the top plate 13012. The adjusting pins 13015 abut against the corresponding tooth grooves of the comb plates 13016.

[0052] In the preferred embodiment, the radial adjustment mechanism 1302 comprises a moving plate 13021 and a first stud bolt 13022, and the top plate 13012 is symmetrically provided with four second long round holes 13017, and the four first stud bolts 13022 pass through the four corners of the moving plate 13021 and are connected with the top plate 13012 through the corresponding second long round holes 13017.

[0053] The track fixing mechanism 1303 comprises a jacking rod 13031, a top rod support 13032, a pressing plate 13033 and a second stud bolt 13034. The moving plate 13021 is provided with the top rod support 13032 in the middle, the jacking rod 13031 is threadedly connected with the top rod support 13032 at the upper end, and one end of the jacking rod 13031 abuts against one side of the web of the I-shaped structure of the track foundation 101. The pressing plate 13033 has a Z-shaped structure, one end of the pressing plate 13033 abuts against one side of the lower flange of the track foundation 101, and the other end of the pressing plate 13033 is provided with a third long round hole 13035. The second stud bolt 13034 passes through the third long round hole 13035 to press the lower flange of the track foundation 101 between the pressing plate 13033 and the front end of the moving plate 13021.

[0054] The at least three adjustable supports 13 are arranged above the caisson opening of the circular track 1, and the ground anchor 14 and the bottom plate 13011 of the height adjustment mechanism 1301 disperse the pressure of the circular track 1 on the ground to a wider concentric circle range, thereby avoiding the collapse of the loose soil at the caisson opening and preventing the collapse of the caisson opening.

[0055] The moving arm 13014 is moved to make the adjustment pin 13015 abut against the required corresponding tooth groove of the comb plate 13016, and the top plate 13012 is lifted up and down accordingly. The multiple adjustable supports 13 are adjusted to make the top plate 13012 be on the same horizontal plane, thereby avoiding the point measurement error caused by the inclination of the circular track 1.

[0056] The moving plate 13021 is fixed at the required position on the top plate 13012 through the cooperation of the four first stud bolts 13022 and the four second long round holes 13017, thereby controlling the spatial point of the circular track 1 on the caisson opening at a certain point. The multiple moving plates 13021 collectively control the coincidence of the center of the circular track 1 and the center of the caisson opening, or set the circular track 1 at the required deviation position.

[0057] The pressing plate 13033 is pressed against the lower flange of the track foundation 101 of different sizes through the third long circular hole 13035 and the second double-headed bolt 13034. The jacking rod 13031 is adjusted in distance between the upper jacking rod support 13032 of the moving plate 13021 through the thread, so that the jacking rod 13031 is pressed against the web of the I-shaped structure of the track foundation 101, and the pressing plate 13033 and the jacking rod 13031 jointly act on the circular track 1 to fix the circular track 1 on the adjustable support 13, so that the adjustable support 13 can be applied to the fixing of the circular track 1 used in the construction of circular caissons of different sizes. The device has simple structure and reliable stress, and is a flexible fixing pressure distribution component.

[0058] Example 3

[0059] In combination with Example 1 and Example 2, as shown in the structure, a method for using the automatic soil taking device for circular single-bin caisson sinking, the method comprising: Figures 1-9

[0060] S1, construction preparation: install and adjust the complete automatic soil taking device for circular single-bin caisson sinking;

[0061] S2, preliminary operation: divide the circular track 1 into minutes and minutes into scale according to the size of the caisson and the operation range of the soil taking mechanism 6, set the working time in each scale, initially place the radial single beam 2 at the scale 1 position, control the electric hoist 4 to lower the soil taking mechanism 6 and the measuring mechanism 7 to the operation position, and suspend slightly above the operation surface;

[0062] S3, soil taking operation: start the operation of the soil taking mechanism 6, the main controller 12 starts timing, and the track travel encoder 8 and the radial travel encoder 9 record the operation position of the electric hoist 4;

[0063] S4, post-construction measurement: when the specified operation time is reached, the soil taking mechanism 6 stops operation, and the measuring mechanism 7 starts operation. The measuring rope weight monitoring module 10 obtains the lowering condition of the measuring weight 701 by detecting the sudden change of the hoisting weight data, and the measuring rope length measuring module 304 records the operation bottom elevation;

[0064] S5, process discrimination: after the operation bottom elevation measurement is completed, the measuring weight 701 is pulled up and lowered multiple times, and whether the mud concentration is qualified is judged according to the hoisting weight measured by the measuring rope weight monitoring module 10, so as to decide whether to continue to suck mud or to proceed to the next step of work;

[0065] S6, data analysis: a three-dimensional model is established according to the position information and the bottom elevation information obtained by measurement, and the bottom operation condition of the caisson is visualized;

[0066] S7, the electric hoist 4 moves radially along the radial single beam 2 to the next operation point, and the steps S2-S6 are repeated;

[0067] ​S8, after completing the work of a radial single beam 2 on a scale, the track driving device 3 drives the radial single beam 2 to move to the next scale;

[0068] S9, repeat steps S2-S8 until the caisson is completed.

[0069] Example 4

[0070] Further illustrated in combination with example 1, example 2, example 3, as shown in the structure, a kind of circular single bin caisson sinking automation earth taking device, when electric hoist 4 moves on radial single beam 2, because pass through the number of circle center is many, therefore main controller 12 sets up device operation time near circle center stays short, farther from circle center operation time is longer, the movement speed and trajectory of electric hoist 4 are: Figures 1-9

[0071] Electric hoist 4 linear velocity is inversely proportional to the distance from the center of the circle:

[0072]

[0073] Where v is the linear velocity of electric hoist 4, r is the distance of electric hoist 4 from the center of the circle, and k is the proportionality constant.

[0074] The proportionality constant k is related to the single-point operation area and operation efficiency of the earth taking mechanism 6.

[0075] Electric hoist 4 moves on radial single beam 2, and the trajectory is a radial straight line with the center of the circle. In polar coordinates, the polar coordinate equation of this straight line is:

[0076]

[0077] Where θ is the polar angle, and α is a constant, indicating the angle between radial single beam 2 and the polar axis.

[0078] Converting polar coordinates to rectangular coordinates can more intuitively describe the trajectory of electric hoist 4 on the plane:

[0079]

[0080] Combined with the trajectory equation under polar coordinates , the trajectory equation under rectangular coordinates can be derived as:

[0081]

[0082] Where is the slope of the straight line.

[0083] ​The above embodiments are only preferred technical solutions of the present application, and should not be regarded as a limitation of the present application. The protection scope of the present application should be the technical solutions recited in the claims, including equivalent replacement solutions of the technical features recited in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present application.

Claims

1. A round single chamber caisson sinking automation soil taking device, characterized in that: The well sink mouth is provided with a circular track (1), a radial single beam (2) has two ends striding over the circular track (1), and the length direction of the radial single beam (2) passes through the center of the circular track (1), a track driving device (3) drives the radial single beam (2) to rotate along the circular track (1), the radial single beam (2) is provided with an electric hoist (4), an electric hoist driving device (5), a soil taking mechanism (6) and a measuring mechanism (7), the electric hoist driving device (5) drives the electric hoist (4) to move along the length direction of the radial single beam (2), the electric hoist (4) drives the soil taking mechanism (6) and the measuring mechanism (7) to move vertically in the well sink, and is used for sucking mud and measuring the bottom operation elevation; The circular track (1) comprises a track foundation (101) with an I-shaped cross section, the circular track (1) is arranged at the well sink mouth through a plurality of adjustable supports (13) connected with the track foundation (101), the adjustable support (13) comprises a height adjusting mechanism (1301), a radial adjusting mechanism (1302) and a track fixing mechanism (1303), the adjustable support (13) is fixed on the ground of the well sink mouth through a ground anchor (14), the adjustable supports (13) are evenly arranged along the circumference of the circular track (1), and the number of the adjustable supports (13) is at least three; The height adjusting mechanism (1301) is connected with the ground anchor (14) through a first long circular hole (13018) at one end of a bottom plate (13011), one end of a rotating arm (13013) is rotationally connected with the other end of the bottom plate (13011), one end of the rotating arm (13013) is rotationally connected with one end of a top plate (13012) above the bottom plate (13011), the middle part of the rotating arm (13013) is rotationally connected with a moving arm (13014), the two ends of the rotating arm (13013) are provided with adjusting pins (13015), and the upper surface of the bottom plate (13011) and the lower surface of the top plate (13012) are provided with comb tooth plates (13016) on the two sides; the adjusting pins (13015) are arranged in the corresponding tooth grooves of the comb tooth plates (13016); The radial adjusting mechanism (1302) comprises a moving plate (13021) and a first double-headed bolt (13022), four second long circular holes (13017) are symmetrically arranged on the top plate (13012), and the four first double-headed bolts (13022) pass through the four corners of the moving plate (13021) and are connected with the top plate (13012) through the corresponding second long circular holes (13017); The track fixing mechanism (1303) comprises a jacking rod (13031), a jacking rod support (13032), a pressing plate (13033) and a second double-end bolt (13034). The middle part of the moving plate (13021) is provided with the jacking rod support (13032). The jacking rod (13031) is threadedly connected with the upper end of the jacking rod support (13032). One end of the jacking rod (13031) penetrates through the jacking rod support (13032) and abuts against one side of the web plate of the I-shaped structure of the track foundation (101). The pressing plate (13033) is in a Z-shaped structure. One end of the pressing plate (13033) abuts against one side of the lower flange of the track foundation (101). The other end of the pressing plate (13033) is provided with a third long circular hole (13035). The second double-end bolt (13034) penetrates through the third long circular hole (13035) and presses the lower flange of the track foundation (101) between the pressing plate (13033) and the front end of the moving plate (13021).

2. The automatic soil taking device for the sinking of a circular single-chambered caisson according to claim 1, characterized in that: The soil taking mechanism (6) comprises a suction pump (601), a high-pressure water gun (602) and an end mill (603). The upper end of the suction pump (601) is connected with the lifting rope of the electric hoist (4). The lower end of the suction pump (601) is provided with a suction port, and the suction port faces the bottom of the well. The suction port is also provided with the end mill (603). The high-pressure water gun (602) is arranged on the two sides of the suction pump (601). The spraying port of the high-pressure water gun (602) faces the bottom of the well. The pump pipe of the suction pump (601) extends from one side of the suction pump (601) to the outside of the open caisson.

3. The automatic soil taking device for the sinking of a circular single-chambered caisson according to claim 2, characterized in that: The measuring mechanism (7) comprises a measuring weight (701) and a measuring rope (702). The measuring weight (701) is connected with the electric hoist (4) through the measuring rope (702). The measuring weight (701) is a structure with a certain weight which is formed by welding a plurality of short steel bars.

4. The automatic soil taking device for the sinking of a circular single-chambered caisson according to claim 3, characterized in that: The measuring mechanism (7) further comprises a measuring rope load monitoring module (10) and a measuring rope length measuring module (11) for detecting the change of the hoisted weight of the measuring rope (702) and the length of the measuring rope (702).

5. The automatic soil taking device for the sinking of a circular single-chambered caisson according to claim 4, characterized in that: The track stroke encoder (8) is further arranged on the track driving device (3) at the two ends of the radial single beam (2) for measuring the walking angle position of the radial single beam (2). The radial stroke encoder (9) is further arranged on the electric hoist (4) for measuring the position of the electric hoist (4) on the radial single beam (2).

6. The automatic soil taking device for the sinking of a circular single-chambered caisson according to claim 5, characterized in that: The main controller (12) is further arranged. The track stroke encoder (8), the radial stroke encoder (9), the measuring rope load monitoring module (10), the measuring rope length measuring module (11) and the main controller (12) are electrically connected to drive the track driving device (3), the electric hoist (4), the electric hoist driving device (5) and the soil taking mechanism (6) to act.

7. The method of using the automated soil removal device for a circular single-chambered caisson sinking according to claim 6, characterized in that: The method comprises: S1, construction preparation: install and adjust the automatic soil taking device of the whole set of circular single-bin open caisson sinking; S2, preliminary operation: according to the size of the open caisson and the operation range of the soil taking mechanism (6), divide the circular track (1) into minute scale type scales, set the working time in each scale, initially place the radial single beam (2) at the scale 1 position, control the soil taking mechanism (6) and the measuring mechanism (7) to be lowered to the operation position by the electric hoist (4), and suspend the electric hoist (4) slightly above the operation surface. S3, soil taking operation: the soil taking mechanism (6) starts operation, the main controller (12) starts timing, the track stroke encoder (8) and the radial stroke encoder (9) record the position of the electric hoist (4); S4, post-operation measurement: after reaching the specified operation time, the soil taking mechanism (6) stops operation, the measuring mechanism (7) starts operation, the measuring rope weight monitoring module (10) obtains the lowering condition of the measuring weight (701) by detecting the sudden change of the hoist weight data, and the measuring rope length measuring module (11) records the operation bottom elevation; S5, process discrimination: after the operation bottom elevation measurement is completed, the measuring weight (701) is pulled up and lowered multiple times, and whether the mud concentration is qualified is judged according to the hoist weight measured by the measuring rope weight monitoring module (10), so as to decide whether to continue to suck mud or to proceed to the next step; S6, data analysis: a three-dimensional model is established according to the position information and the bottom elevation information obtained by measurement, and the sinking well bottom operation condition is visualized; S7, the electric hoist (4) moves radially along the radial single beam (2) to the next operation point, and steps S2-S6 are repeated; S8, after completing the operation of the radial single beam (2) on one scale, the track driving device (3) drives the radial single beam (2) to move to the next scale; S9, repeat steps S2-S8 until the sinking well is completed.

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