Stratum advanced static sounding mixing pile linkage device and construction method

Abstract

The invention provides a stratum advanced static sounding mixing pile linkage device and a construction method, relates to the field of advanced detection, and aims to solve the problem that a probe is damaged or the detection precision is influenced due to counterforce when the counterforce of a soil body under a complex geological condition is dealt with in mixing pile construction. A linkage device comprising a pile casing, a probe and a stabilizer bar is adopted, one end of the stabilizer bar is rotationally connected with the pile casing, the other end of the stabilizer bar is connected with the probe, and a stop piece is mounted on the outer circumferential surface of the stabilizer bar, so that the stabilizer bar can resist torsion stress of the probe driven by a drill rod during operation of the mixing pile machine to a certain extent, and the probe can keep soil counterforce; the static pressure of the probe is stabilized to be downward, a rotating component forming a stirring pile is rotated downwards, the static pressure of the probe for monitoring soil parameters is downward, association between the rotating component and the probe in the operation process is achieved, the risks of displacement, deformation or damage of the probe caused by counter force are reduced, and the requirements for stability and data accuracy are met. Therefore, the precision and reliability of the probe are guaranteed.

Description

Technical Field

[0001] The present invention relates to the field of advanced detection, and in particular to a stratum advanced static penetration stirring pile linkage device and a construction method. Background Art

[0002] During the construction of mixed piles, in order to adjust the pile construction process for different soil layers, it is necessary to conduct advance soil detection and depth calibration of the construction area. Currently, most methods use drilling to first detect and analyze the soil layers in the construction area, and then carry out the mixed pile construction. However, the drilling detection and analysis process and the mixed pile construction process are carried out in sequence, which is not only cumbersome but also has the problem that the soil layer conditions may vary significantly under complex geological conditions. Even if the initial detection and analysis are accurate, new conditions may still arise during construction, making it difficult to adjust the pile construction process in real time according to the soil layer distribution.

[0003] A Chinese patent (publication number CN116464030A, published on July 21, 2023) discloses an intelligent detection drill bit, pile-forming equipment, and method for cement mixing piles. These devices enable advanced detection of underground soil layers during cement mixing pile construction. Before pile formation, underlying soil parameters are fed back to ground control equipment, enabling real-time adjustment of the advanced detection and pile-forming process, effectively achieving high-quality foundation reinforcement. The drill bit connects to the detector via a connector. The connector houses a rotating shaft with a conductive column mounted on top. This special shaft provides both rotational support and electrical conductivity during operation. Stabilizing wings are mounted on the detector to limit the detector's rotation within the soil, minimizing the impact of drill bit rotation on detection accuracy. When the drill bit rotates downward, the soil exerts a significant reaction force on the stabilizing wings. If the stabilizing wings are not securely mounted or their structural strength is insufficient, the reaction force may be transmitted to the detector through the stabilizing wings, causing displacement, deformation, or damage to the detector's precision components, thereby affecting the detector's accuracy and reliability. Under complex geological conditions, the magnitude and direction of the reaction force may change and become more difficult to predict, further increasing the risk of damage to the detector. Summary of the Invention

[0004] The purpose of the present invention is to address the defects of the existing technology and provide a stratum advance static penetration mixing pile linkage device and construction method. The linkage device includes a casing, a probe and a stabilizing rod. One end of the stabilizing rod is rotatably connected to the casing, and the other end is connected to the probe. A stop plate is installed on the outer circumferential surface of the stabilizing rod so that it can resist the soil reaction force to a certain extent, stabilize the probe, reduce the risk of displacement, deformation or damage to the probe caused by the reaction force, and thus ensure the accuracy and reliability of the probe.

[0005] The first object of the present invention is to provide a stratum advanced static penetration stirring pile linkage device, which adopts the following scheme: It includes a casing, a probe and a stabilizing rod. One end of the stabilizing rod is inserted into the casing and is rotatably connected to the casing, and the other end is docked with the probe. A stopper is installed on the outer circumferential surface of the stabilizing rod between the casing and the probe. Along the radial direction of the stabilizing rod, the distance between the end of the stopper away from the axis of the stabilizing rod and the axis of the stabilizing rod is greater than the radius of the casing.

[0006] Furthermore, there are two stoppers, which are symmetrical with respect to the axis of the stabilizer bar and are distributed in parallel on the plane where they are located, and the two stoppers are connected by an intermediate piece.

[0007] Furthermore, along a direction parallel to the axis of the stabilizing rod, a tip is provided on one end of the stop plate close to the probe, and a side inclined structure corresponding to the tip extends to an end of the stop plate away from the axis of the stabilizing rod.

[0008] Furthermore, the stabilizer bar is a stepped shaft, and the part of the stabilizer bar located in the casing includes a first shaft segment, a second shaft segment and a third shaft segment distributed in sequence along the axial direction. A support bearing is installed between the first shaft segment and the casing, a thrust bearing is installed at the shoulder position between the second shaft segment and the third shaft segment, and a retaining ring is installed at the end of the first shaft segment away from the second shaft segment. The retaining ring and the thrust bearing constrain the axial position of the stabilizer bar relative to the casing.

[0009] Furthermore, the support bearings are provided in plurality and are arranged axially at intervals along the first shaft segment.

[0010] Furthermore, one end of the casing close to the stopper is a tapered section, and the casing, the probe and the stabilizing rod are coaxially distributed.

[0011] Furthermore, one end of the probe is threadedly connected to one end of the stabilizing rod, and the outer ring of the protective tube away from the probe end is connected to a protective plate.

[0012] Furthermore, a wire threading hole is provided inside the probe, and the probe lead passes through the wire threading hole and the inside of the protective tube and is then connected to a conductive slip ring, which is then connected to an external rotating component.

[0013] A second object of the present invention is to provide a construction method of the ground advanced static penetration and mixing pile linkage device as described in the first object, comprising: One end of the casing of the ground advanced static penetration mixing pile linkage device is installed on the external rotating component, and the probe is pressed down perpendicular to the ground; During the construction process, the rotating component rotates and presses down at a fixed power, and the probe first contacts the soil layer and continues downward; As it descends, when the stop plate descends to the soil layer and is inserted into the soil layer, it is blocked and acts to prevent the stabilizing rod and the probe from rotating, and the rotating component keeps rotating; The probe collects the corresponding data and transmits it back to the external control system, which controls the parameters of the rotating components until the mixing pile construction is completed; Pull out the ground advance static penetration mixing pile linkage device and rotating components.

[0014] Furthermore, the protective sleeve and the external rotating component are detachably connected, and the probe lead is led out through the external rotating component and connected to an external control system.

[0015] Compared with the prior art, the present invention has the following advantages and positive effects: In order to solve the problem that the probe may be damaged or the detection accuracy may be affected due to the soil reaction force under complex geological conditions during the construction of mixing piles, a linkage device including a casing, a probe and a stabilizing rod is adopted. One end of the stabilizing rod is rotatably connected to the casing, and the other end is connected to the probe. A stopper is installed on the outer circumference of the stabilizing rod, so that it can resist the torsional stress of the probe driven by the drill pipe when the mixing pile machine is running to a certain extent, so that the probe can maintain the soil reaction force and stabilize the static pressure of the probe downward. The rotating component that forms the mixing pile is rotated downward, and the static pressure of the probe that monitors the soil parameters is downward, so as to realize the connection between the two different operating processes, reduce the risk of displacement, deformation or damage to the probe caused by the reaction force, meet the stability and data accuracy requirements, and thus ensure the accuracy and reliability of the probe.

[0016] Two stoppers are arranged symmetrically and parallel to the stabilizer bar axis and connected by a middle piece. This structure enhances the stoppers' overall stability and deformation resistance. When subjected to complex soil reaction forces, they effectively disperse the forces, reducing the concentrated force on a single stopper. This effectively protects the stabilizer bar and probe connection, maintains the probe's stable posture, and further ensures detection accuracy.

[0017] The casing features a tapered section near the stopper, reducing soil resistance during drilling and facilitating entry. The coaxial arrangement of the casing, probe, and stabilizer ensures uniform force distribution during operation, preventing structural damage and detection errors caused by eccentric force.

[0018] A wire threading hole is set inside the probe and connected to the external rotating component through a conductive slip ring, realizing the electrical connection between the probe and the external equipment, ensuring that the detection data can be stably transmitted to the ground control equipment, providing data support for the subsequent adjustment of the construction process according to the detection results, and realizing the effective linkage between the advanced static penetration of the formation and the mixing pile construction.

[0019] A protective plate and fixing bolts are installed on the outer ring of the connection position between the rotating component and the casing to meet the stability requirements. The fixing bolts are used to achieve a detachable connection between the rotating component and the casing, which allows for the removal and replacement of the front-end casing and probe before and after detection, thereby improving flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0021] Figure 1 Schematic diagram of a linkage device for advanced static penetration and mixing piles in one or more embodiments of the present invention.

[0022] Figure 2 It is a cross-sectional schematic diagram of a ground advance static penetration mixing pile linkage device in one or more embodiments of the present invention.

[0023] Among them, 1. Casing; 2. Stabilizing rod; 3. Probe; 4. Stop plate; 5. Intermediate piece; 6. Tip; 7. Support bearing; 8. Thrust bearing; 9. Conical section; 10. Threading hole; 11. Conductive slip ring; 12. Rotating component. DETAILED DESCRIPTION

[0024] Example 1 In a typical embodiment of the present invention, Figure 1-Figure 2 As shown, a ground advanced static penetration mixing pile linkage device is provided.

[0025] In the existing mixing pile construction, there are deficiencies in the connection and stability of the probe 3 and the equipment. In particular, when dealing with soil reaction forces under complex geological conditions, there is a lack of an effective structure to ensure the stability and accuracy of the probe 3, which can easily lead to damage to the probe 3 or a reduction in detection accuracy due to the reaction force. Based on this, the present embodiment provides a stratum advance static penetration mixing pile linkage device, which adopts a combined structure of a casing 1, a probe 3 and a stabilizing rod 2. One end of the stabilizing rod 2 is rotatably connected to the casing 1, and the other end is connected to the probe 3. A stopper 4 is installed on the outer circumference of the stabilizing rod 2, and the special size design of the stopper 4 enables it to resist the soil reaction force to a certain extent, thereby stabilizing the probe 3. Compared with the previous structure, the linkage device in this embodiment can better deal with the soil reaction force, reduce the risk of displacement, deformation or damage to the probe 3 caused by the reaction force, thereby ensuring the accuracy and reliability of the probe 3, improving the accuracy and stability of stratum advance static penetration, and providing more reliable soil layer information for mixing pile construction.

[0026] like Figure 1As shown, the ground-based advanced static penetration testing and mixing pile linkage device mainly includes a casing 1, a probe 3, and a stabilizer bar 2. The casing 1 is a cylindrical structure with a channel in the middle. One end of the stabilizer bar 2 extends into the casing 1 and is rotatably connected to the casing 1, allowing relative rotation between the casing 1 and the stabilizer bar 2. The other end of the stabilizer bar 2 is connected to the probe 3, which can drive the probe 3 to move. At the same time, when the stabilizer bar 2 is in a stable downward pressure state, it can push the probe 3 to move within the soil layer. A stopper 4 is installed on the outer circumference of the stabilizer bar 2 between the casing 1 and the probe 3. After the stopper 4 is inserted into the soil, the soil hinders the stopper 4 in the rotation direction, constraining the rotation of the stabilizer bar 2, thereby allowing the probe 3 to maintain non-rotational translation and penetrate the soil, meeting the detection requirements. Along the radial direction of the stabilizer bar 2, the distance between the end of the stopper 4 away from the stabilizer bar 2 axis and the stabilizer bar 2 axis is greater than the radius of the casing 1.

[0027] The casing 1 provides an external protection and support frame for the entire device, ensuring that the internal components are protected from external collisions and interference from some soil during construction, and creating a relatively stable working environment for the stabilizer rod 2 and the probe 3.

[0028] Stabilizing rod 2 connects casing 1 and probe 3. One end of the rod extends into casing 1 and pivots therewith, enabling relative rotation within casing 1 to adapt to different operating conditions. The other end docks with probe 3, ensuring operational stability and enabling the necessary power transmission. Probe 3 is the part that directly contacts the soil and is responsible for detecting subsurface soil layers and obtaining key soil parameter information.

[0029] The performance and accuracy of the probe 3 are directly related to the quality of the entire detection process. During traditional formation advance detection, the stabilizer wings are fixed to the probe 3, which can damage the probe 3. In this embodiment, a stopper 4 is installed on the outer circumference of the stabilizer bar 2 between the casing 1 and the probe 3. In the radial direction of the stabilizer bar 2, the distance between the end of the stopper 4, which is farther from the axis of the stabilizer bar 2, and the axis of the stabilizer bar 2 is greater than the radius of the casing 1. By extending the stopper 4, it can effectively resist the reaction force exerted by the soil on the device.

[0030] During the actual construction process, when the device is subjected to the force of the soil, the stopper 4 can prevent the stabilizing rod 2 and the probe 3 from excessive displacement or shaking due to the reaction force. Especially under complex geological conditions, the stability of the device structure can still be maintained, thereby ensuring the accuracy and reliability of the detection data of the probe 3 and ensuring the smooth progress of the advanced static penetration test of the stratum.

[0031] like Figure 1 and Figure 2As shown, two stoppers 4 are provided, symmetrically arranged about the axis of the stabilizer bar 2 and parallel to the plane in which they lie. The two stoppers 4 are connected by an intermediate member 5. The combined structure of the stoppers 4 and intermediate member 5 prevents and constrains the rotation of the stabilizer bar 2 within the soil layer. Furthermore, the intermediate member 5, which can be a plate, connects the two stoppers 4, enhancing the overall stability and deformation resistance of the stoppers 4. When faced with complex soil reaction forces, they can better cooperate and distribute the forces, effectively protecting the connection between the stabilizer bar 2 and the probe 3 and ensuring the stability of the probe 3.

[0032] The retaining plate 4 is provided with a tip 6, parallel to the axis of the stabilizer bar 2, near one end of the probe 3. The corresponding side slope extends to the other end. When the probe 3 is pressed downward, the tip 6 effectively reduces the soil's resistance to the retaining plate 4, making it easier for it to penetrate the soil. It also guides the soil's forces to disperse properly, avoiding unnecessary torque or impact on the stabilizer bar 2 and probe 3, thus ensuring smooth operation and detection accuracy.

[0033] like Figure 2 As shown, the stabilizer bar 2 adopts a stepped shaft design, and its portion located within the casing 1 comprises a first shaft section, a second shaft section, and a third shaft section. Multiple support bearings 7 are installed between the first shaft section and the casing 1, spaced axially. These bearings evenly distribute the pressure on the stabilizer bar 2 during rotation and axial loads, reducing the risk of wear and deformation and ensuring stable rotation of the stabilizer bar 2 within the casing 1.

[0034] A thrust bearing 8 is installed at the shoulder position between the second shaft section and the third shaft section, and combined with the retaining ring at one end of the first shaft section, they jointly constrain the axial position of the stabilizer bar 2, effectively preventing excessive axial displacement caused by soil reaction force under complex geological conditions, ensuring the relative position of the probe 3 and the stabilizer bar 2 is stable, and improving detection reliability.

[0035] In this embodiment, in the ground advanced static penetration and mixing pile linkage device, the support bearing 7 is designed to provide stable radial support, and the stabilizer bar 2 needs to evenly distribute pressure during rotation and axial loads to reduce the risk of wear and deformation. Deep groove ball bearings or tapered roller bearings can be used, as they have advantages such as low friction coefficient and high maximum speed, and can well adapt to the radial load conditions of the stabilizer bar 2, ensuring stable rotation of the stabilizer bar 2 within the casing 1.

[0036] Tapered roller thrust bearings 8 are particularly well-suited for applications where thrust bearings 8 are combined with retaining rings to provide axial support. They can withstand significant axial loads and, to a certain extent, radial loads. In complex geological conditions, where the ground exerts significant axial forces and certain radial forces on stabilizer bar 2, tapered roller thrust bearings 8 effectively cooperate with retaining rings to constrain the axial position of stabilizer bar 2, preventing excessive displacement and ensuring a stable relative position between probe 3 and stabilizer bar 2, thus guaranteeing the detection reliability of the entire device.

[0037] During actual configuration, it is necessary to accurately calculate the model, size and quantity of the required bearings based on factors such as the specific size of the device, the stress conditions and the working environment, so as to ensure that the bearings can meet the performance requirements of the device and ensure the stable operation and detection accuracy of the ground advance static penetration mixing pile linkage device. The end of the casing 1 near the stopper 4 is designed with a tapered section 9, which helps reduce soil resistance during drilling and facilitates penetration of the device. Furthermore, the casing 1, probe 3, and stabilizer rod 2 are coaxially arranged, ensuring uniform force distribution during operation and preventing structural damage and detection errors caused by eccentric force.

[0038] like Figure 2 As shown, one end of the probe 3 is threadedly connected to the other end of the stabilizer bar 2, making installation and removal easy, and facilitating maintenance and replacement. A protective plate is connected to the outer ring of the end of the casing 1 away from the probe 3, which effectively prevents external objects from colliding with the casing 1 during construction, ensuring the normal operation of the protection device.

[0039] like Figure 1 As shown, a wire threading hole 10 is provided inside the probe 3. The lead wire of the probe 3 passes through the wire threading hole 10 and the inside of the casing 1, and is then connected to the conductive slip ring 11, and then connected to the external rotating component 12, thereby realizing the electrical connection between the probe 3 and the external equipment, ensuring that the detection data can be stably transmitted to the ground control equipment, providing strong data support for the subsequent adjustment of the construction process according to the detection results, and realizing the effective linkage between the advanced static penetration of the formation and the mixing pile construction.

[0040] Example 2 In another typical embodiment of the present invention, Figure 1-Figure 2 As shown, a construction method of a ground advance static penetration and mixing pile linkage device is provided, using the ground advance static penetration and mixing pile linkage device as in Example 1.

[0041] A construction method for a stratum advanced static penetration mixing pile linkage device, comprising: A second object of the present invention is to provide a construction method of the ground advanced static penetration and mixing pile linkage device as described in the first object, comprising: One end of the casing 1 of the ground advanced static penetration mixing pile linkage device is installed on the external rotating member 12, and the probe 3 is pressed down perpendicular to the ground; During the construction process, the rotating member 12 rotates and presses down at a fixed power, and the probe 3 first contacts the soil layer and continues to move downward; As it descends, when the stop plate descends to the soil layer and is inserted into the soil layer, it is blocked and acts to prevent the stabilizing rod 2 and the probe 3 from rotating, and the rotating member 12 keeps rotating; The probe 3 collects the corresponding data and transmits it back to the external control system, which controls the parameters of the rotating member 12 until the mixing pile construction is completed; The ground advance static penetration mixing pile linkage device and the rotating member 12 are extracted.

[0042] Specific, combined Figure 1-Figure 2 , the construction method of the stratum advance static penetration mixing pile linkage device is explained in detail.

[0043] 1. One end of the casing 1 of the ground-level advanced static penetration pile linkage device is mounted on the external rotating member 12. This installation method enables the entire device to operate using the power of the rotating member 12. Simultaneously, the probe 3 is pressed downward perpendicularly to the ground, preparing for subsequent contact with the soil layer for detection and construction. This vertical downward pressure ensures that the probe 3 accurately enters the target soil layer, reducing detection errors. Establishing the connection between the device and the external power source and determining the starting position and direction of construction are the foundation for the smooth progress of subsequent construction.

[0044] The rotating component 12 may be a jetting pipe, a grouting drill pipe, or the like.

[0045] 2. During the construction process, the rotating member 12 rotates and presses down at a fixed power, and the probe 3 first contacts the soil layer and continues to move downward. The rotation and downward pressure of the rotating member 12 are carried out in coordination to provide power for the probe 3 to penetrate the soil layer. The fixed power rotation and downward pressure help maintain the stability and consistency of the construction, allowing the probe 3 to pass through different soil layers evenly. The probe 3 starts working after contacting the soil layer, and as it continues to move downward, it can gradually obtain information about soil layers at different depths. The power of the rotating member 12 drives the probe 3 deep into the soil layer and begins to collect stratum data, providing a basis for the adjustment of subsequent construction parameters.

[0046] 3. As the stop plate descends and inserts into the soil layer, it is blocked and acts to prevent the stabilizing rod 2 and the probe 3 from rotating, while the rotating member 12 keeps rotating. This design of the stop plate is based on the actual needs of stratum detection and construction. When the probe 3 needs to accurately collect stratum data at a certain location, it is necessary to prevent the rotation of the probe 3 from interfering with the data collection. After the stop plate is inserted into the soil layer, the resistance of the soil layer is used to fix the stabilizing rod 2 and the probe 3, keeping them stationary, while the rotating member 12 continues to rotate to maintain the progress of construction. This ensures the stability and accuracy of the probe 3 when collecting data, avoids data errors caused by rotation, and improves the quality of stratum information collection.

[0047] 4. Probe 3 collects relevant data and transmits it back to the external control system. This data includes information such as the mechanical properties, moisture content, and density of the soil layer, which is crucial for understanding the ground conditions and adjusting construction parameters. The control system controls the parameters of the rotating component 12. Based on the collected ground data, the control system can adjust parameters such as the rotation speed and downward pressure of the rotating component 12 to adapt to the characteristics of different soil layers. For example, when encountering a harder soil layer, the rotation power and downward pressure can be increased to ensure that the probe 3 can pass through smoothly; in softer soil layers, the parameters can be appropriately reduced to avoid excessive disturbance of the soil layer.

[0048] The construction process has been made intelligent and precise, and construction parameters can be adjusted in real time according to actual ground conditions to improve the quality and efficiency of mixing pile construction.

[0049] 5. Pulling out the ground-level advanced static penetration pile linkage device and rotating member 12 marks the end of one pile construction session. Care should be taken to pull out the device smoothly to avoid damaging the existing piles and surrounding soil. This prepares for the next construction session and protects the device from damage, facilitating subsequent maintenance and reuse.

[0050] The casing 1 and the external rotating member 12 are detachably connected, which is highly flexible and practical. At the same time, a protective plate and fixing bolts are installed on the outer ring of the connection position between the rotating member 12 and the casing 1 to meet the stability requirements. The fixing bolts are used to realize the detachable connection between the rotating member 12 and the casing 1, which meets the requirements of the removal and replacement of the front-end casing 1 and the probe 3 before and after detection. During the construction process, if the device or the rotating member 12 fails, the detachable connection method facilitates the rapid replacement of parts, reducing maintenance time and cost. In addition, under different construction sites or construction requirements, the device can be easily installed on different rotating members 12, which improves the versatility of the device, improves the convenience of construction and the maintainability of the device, and reduces construction cost and time cost.

[0051] The probe 3 leads are routed through the external rotating member 12 and connected to the external control system, ensuring accurate and stable transmission of data collected by the probe 3 to the control system. Routing the leads through the external rotating member 12 prevents them from becoming tangled or damaged within the device, ensuring reliable data transmission. This ensures real-time data transmission, enabling the control system to obtain timely formation information and implement corresponding controls, enabling real-time monitoring and adjustment of the construction process.

[0052] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A ground advanced static penetration mixing pile linkage device, characterized in that: It includes a casing, a probe and a stabilizing rod. One end of the stabilizing rod is inserted into the casing and is rotatably connected to the casing, and the other end is docked with the probe. A stopper is installed on the outer circumferential surface of the stabilizing rod between the casing and the probe. Along the radial direction of the stabilizing rod, the distance between the end of the stopper away from the axis of the stabilizing rod and the axis of the stabilizing rod is greater than the radius of the casing.

2. The ground advanced static penetration stirring pile linkage device according to claim 1, characterized in that: There are two stoppers, which are symmetrical with respect to the axis of the stabilizer bar and are distributed in parallel with the plane where they are located. The two stoppers are connected by an intermediate piece.

3. The ground advanced static penetration and mixing pile linkage device according to claim 2, characterized in that: Along the direction parallel to the axis of the stabilizing rod, a tip is provided at one end of the stop plate close to the probe, and the side inclined structure corresponding to the tip extends to the end of the stop plate away from the axis of the stabilizing rod.

4. The ground advanced static penetration and mixing pile linkage device according to claim 1, characterized in that: The stabilizer bar is a stepped shaft, and the part of the stabilizer bar located inside the casing includes a first shaft segment, a second shaft segment and a third shaft segment distributed in sequence along the axial direction. A support bearing is installed between the first shaft segment and the casing, a thrust bearing is installed at the shoulder position between the second shaft segment and the third shaft segment, and a retaining ring is installed at the end of the first shaft segment away from the second shaft segment. The retaining ring and the thrust bearing constrain the axial position of the stabilizer bar relative to the casing.

5. The ground advanced static penetration and mixing pile linkage device according to claim 4, characterized in that: There are multiple support bearings, which are axially spaced apart along the first shaft segment.

6. The ground advanced static penetration and mixing pile linkage device according to claim 4 or 5, characterized in that: One end of the casing close to the stopper is a tapered section, and the casing, the probe and the stabilizing rod are coaxially distributed.

7. The ground advanced static penetration and mixing pile linkage device according to claim 1, characterized in that: One end of the probe is threadedly connected to one end of the stabilizing rod, and the outer ring of the end of the casing away from the probe is connected with a guard plate.

8. The ground advanced static penetration and mixing pile linkage device according to claim 1 or 7, characterized in that: A wire threading hole is provided inside the probe, and the probe lead passes through the wire threading hole and the inside of the protective tube and is then connected to a conductive slip ring, which is then connected to an external rotating component.

9. A construction method for a ground-level advanced static penetration and mixing pile linkage device, using the ground-level advanced static penetration and mixing pile linkage device according to any one of claims 1 to 8, characterized in that: include: One end of the casing of the ground advanced static penetration mixing pile linkage device is installed on the external rotating component, and the probe is pressed down perpendicular to the ground; During the construction process, the rotating component rotates and presses down at a fixed power, and the probe first contacts the soil layer and continues downward; As it descends, when the stop plate descends to the soil layer and is inserted into the soil layer, it is blocked and acts to prevent the stabilizing rod and the probe from rotating, and the rotating component keeps rotating; The probe collects the corresponding data and transmits it back to the external control system, which controls the parameters of the rotating components until the mixing pile construction is completed; Pull out the ground advance static penetration mixing pile linkage device and rotating components.

10. The construction method of the ground advanced static penetration and mixing pile linkage device according to claim 9, characterized in that: The protective tube and the external rotating component are detachably connected, and the probe lead is led out through the external rotating component and connected to an external control system.

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