Method for making a geological borehole in soil

Abstract

The present application relates to the field of geological exploration technology, and discloses a method for making geological boreholes in soil, including: using an arc-shaped pre-bent rod and a flushing head arranged on the free end of the rod to describe an arc-shaped flushing hole underground; inserting a protective sleeve surrounding the rod into the flushing hole formed by the flushing head, and removing the rod while the protective sleeve remains in the soil; using the protective sleeve to continue to push the flushing head along the tangent direction of the arc-shaped flushing hole port to the target drilling point. In the present application, it is possible to make a precisely oriented flushing hole, reduce the difficulty of making a borehole in an area with large space restrictions, and quickly complete the soil exploration of a special location in a simple drilling method, thereby improving the efficiency of soil exploration. At the same time, in the process of soil exploration, there is no need to manually excavate a large area of ​​soil pits to assist in drilling, which can reduce the labor intensity of workers and save the time of drilling exploration, which helps to reduce the exploration cost.

Description

Technical Field

[0001] The present application relates to the field of geological exploration technology, for example, to a method for making a geological borehole in soil. Background Art

[0002] Geological exploration is the investigation and research of geology through various means and methods to determine the geological conditions such as rocks, strata, structures, minerals, hydrology, and landforms in the exploration area. Among them, the manufacture of geological boreholes is a proven auxiliary means for many applications, which helps to complete geological exploration work efficiently.

[0003] In the related art, a horizontal flushing drilling method has been established in the context of directional drilling technology. Starting from the starting pit, an underground passage leading to the target pit is formed with the help of a flushing head, so as to achieve the purpose of directional exploration. However, when the space conditions are particularly narrow, such as drilling exploration within the scope of soil remediation under a building or exploration of a contaminated site, due to the high demand for space, the existing drilling exploration technology cannot be used to simply and effectively carry out exploration construction, and maintaining the precise depth position of the borehole can only be achieved with very high efforts, which not only increases the difficulty of exploration construction, reduces construction efficiency, but also increases the investment cost of geological exploration.

[0004] It can be seen that how to reduce the difficulty of exploration and construction, improve construction efficiency, and reduce the investment cost of geological exploration has become a technical problem that technical personnel in this field need to solve urgently. Summary of the invention

[0005] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0006] The disclosed embodiments provide a method for making geological boreholes in soil, which can produce precisely oriented flushing holes, reduce the difficulty of making boreholes in areas with large spatial restrictions, and quickly complete soil exploration of special locations in a simple drilling manner, thereby improving the efficiency of soil exploration. At the same time, during the soil exploration process, there is no need to manually excavate large areas of soil pits to assist in drilling, which can reduce the labor intensity of workers and save time for drilling exploration, thereby helping to reduce exploration costs.

[0007] In some embodiments, a method of making a geological borehole in soil comprises:

[0008] By means of an arc-shaped pre-bent rod and a flushing head arranged on the free end of the rod, an arc-shaped flushing hole is described underground;

[0009] inserting a protective sleeve around the stem into a flushing hole formed by the flushing head, and removing the stem with the protective sleeve remaining in the soil;

[0010] The protective sleeve is used to continue to push the flushing head along the tangent direction of the arc-shaped flushing hole port to the target drilling point.

[0011] The method for making a geological borehole in soil provided in the embodiments of the present disclosure can achieve the following technical effects:

[0012] When the space conditions are particularly narrow, such as when drilling exploration is carried out within the scope of soil remediation under a building or exploration of a contaminated site, the high demand for space makes it impossible to simply and effectively carry out the exploration construction using existing drilling exploration technology. Therefore, when conducting soil exploration in the above-mentioned areas with spatial restrictions, an arc-shaped flushing hole can be described underground during drilling with the help of a rod with an arc-shaped curved structure and a flushing head installed at one end of the rod. (The flushing hole described in this way can make one end of the flushing hole be located on one side outside the building, and the other end can extend into the soil at the bottom of the building). At this time, a protective casing surrounding the connecting rod is inserted into the flushing hole, and the rod is removed while the protective casing remains in the soil, and then the protective casing is used to continue flushing. The flushing head is continuously pushed along the tangent direction of the arc-shaped flushing hole port to the target drilling point, and then the method of making a geological borehole in the soil can be used to make a precisely oriented flushing hole under limited space conditions, and the protective casing can be used to stably push the flushing head in the flushing hole into the soil in a horizontal direction, so as to achieve the purpose of exploring the soil at the target position. Among them, the use of this method can reduce the difficulty of making boreholes in areas with large space restrictions, and quickly complete the soil exploration of special locations in a simple drilling manner, thereby improving the efficiency of soil exploration. At the same time, during the soil exploration process, there is no need to manually excavate a large area of ​​soil pits for auxiliary drilling, which can reduce the labor intensity of workers and save the time of drilling exploration, which helps to reduce the exploration cost.

[0013] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0015] Figure 1 is a schematic diagram of a method for making a geological borehole in soil provided by an embodiment of the present disclosure;

[0016] Figure 2is a schematic diagram of the connection between the rod portion and the connecting portion provided by an embodiment of the present disclosure;

[0017] Figure 3 is a schematic diagram of the connection between the protection sleeve and the connecting part provided by the embodiment of the present disclosure;

[0018] Figure 4 is a schematic diagram of a rod portion provided by an embodiment of the present disclosure;

[0019] Figure 5 is a schematic diagram of a connection method of a rod portion provided in an embodiment of the present disclosure;

[0020] Figure 6 is a schematic diagram of another connection method of the rod portion provided in an embodiment of the present disclosure;

[0021] Figure 7 is a schematic diagram of the rod portion removed according to an embodiment of the present disclosure;

[0022] Figure 8 Schematic diagram of another method for making a geological borehole in soil provided by an embodiment of the present disclosure.

[0023] Reference numerals:

[0024] 100, rod; 101, connecting piece; 200, flushing head; 300, flushing hole; 400, protective sleeve; 500, traction rope; 600, connecting part; 601, connecting seat; 602, first locking groove; 603, second locking groove; 604, locking rod. DETAILED DESCRIPTION

[0025] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0026] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0027] Unless otherwise stated, the term "plurality" means two or more.

[0028] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0029] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0030] The term "correspondence" may refer to an association relationship or a binding relationship. The correspondence between A and B means that there is an association relationship or a binding relationship between A and B.

[0031] Combination Figure 1-7 As shown, the embodiment of the present disclosure provides a method for making a geological borehole in soil, comprising:

[0032] S01, using an arc-shaped pre-bent rod and a flushing head arranged on the free end of the rod to describe an arc-shaped flushing hole underground;

[0033] S02, inserting a protective sleeve around the rod into the flushing hole formed by the flushing head, and removing the rod with the protective sleeve remaining in the soil;

[0034] S03, using the protective sleeve to continue to push the flushing head along the tangent direction of the arc-shaped flushing hole port to the target drilling point.

[0035] By using the method for making geological boreholes in the soil provided by the embodiment of the present disclosure, when the space conditions are particularly narrow, such as when drilling exploration is carried out within the scope of soil remediation under a building or exploration of a contaminated site, the existing drilling exploration technology cannot be used to simply and effectively carry out exploration construction due to the high demand for space. Therefore, when soil exploration is carried out in the above-mentioned areas with spatial restrictions, with the help of a rod with an arc-shaped curved structure and a flushing head installed at one end of the rod, an arc-shaped flushing hole can be described underground during drilling (the flushing hole described in this way can make one end of the flushing hole be located on one side outside the building, and the other end can extend into the soil at the bottom of the building). At this time, a protective sleeve surrounding the connecting rod is inserted into the flushing hole, and the protective sleeve is removed while remaining in the soil. The flushing head is then pushed along the tangent direction of the arc-shaped flushing hole port to the target drilling point by using the protective casing, and the method of making a geological borehole in the soil can be used to make a precisely oriented flushing hole under limited space conditions, and the flushing head in the flushing hole can be stably pushed into the soil in the horizontal direction by using the protective casing, so as to achieve the purpose of exploring the soil at the target position. Among them, the use of this method can reduce the difficulty of making boreholes in areas with large space restrictions, and quickly complete the soil exploration of special locations in a simple drilling manner, thereby improving the efficiency of soil exploration. At the same time, during the soil exploration process, there is no need to manually excavate a large area of ​​soil pits for auxiliary drilling, which can reduce the labor intensity of workers and save the time of drilling exploration, and help reduce the exploration cost.

[0036] Optionally, when inserting the protective sleeve surrounding the rod into the flushing hole formed by the flushing head, the insertion end of the protective sleeve reaches the position of the flushing head, and the rod is pulled out when the protective sleeve contacts the flushing head. In this way, when the rod is pulled out of the flushing hole, the inner wall of the flushing hole collapses or soil debris falls off due to the lack of any support, and the side wall of the flushing hole collapses or soil debris falls off easily when the protective sleeve is inserted, resulting in the protective sleeve being unable to smoothly move to the flushing head, and thus the flushing head cannot be pushed to the target drilling point by using the protective sleeve. Then, when the protective sleeve contacts the flushing head, the rod is pulled out, and the protective sleeve can be used to support the inner wall of the flushing hole, and the protective sleeve can be ensured to smoothly and steadily push the flushing head to the target drilling point in the horizontal direction, thereby ensuring the stable progress of soil exploration construction.

[0037] Optionally, when an arc-shaped flushing hole is described underground, the flushing head at the end of the arc-shaped flushing hole is placed horizontally. In this way, when the flushing head is pushed by the protective sleeve, since the flushing head is placed horizontally, the flushing head in the flushing hole can be stably pushed into the soil in the horizontal direction by the protective sleeve, thereby making a precisely oriented flushing hole and making the manufactured flushing hole meet the needs of geological exploration construction.

[0038] Optionally, the protective sleeve 400 is made of polyethylene or rubber. In this way, polyethylene or rubber has the ability of elastic deformation, so that the protective sleeve 400 is easy to change its shape under the action of external force, so that the protective sleeve 400 can be smoothly inserted into the arc-shaped flushing hole, and then the flushing head in the flushing hole can be more steadily and smoothly pushed to the target drilling point in the horizontal direction.

[0039] like Figure 2-3 As shown, optionally, grooves are provided on the side wall of the free end of the rod 100 and on the side wall of one end of the protective sleeve 400 inserted into the flushing hole 300, and the rod 100 and the flushing head 300 as well as the protective sleeve 400 and the flushing head 300 are connected by a connecting part 600, and the connecting part includes: a connecting seat 601, a first locking groove 602, a second locking groove 603 and a locking rod 604. The connecting seat 601 is arranged at one end of the flushing head 200; the first locking groove 602 is arranged on the connecting plate, and the first locking groove 602 is used to lock one end of the rod 100; the second locking groove 603 is arranged on the connecting plate, and the second locking groove 603 is used to lock one end of the protective sleeve 400, and the first locking groove 602 and the second locking groove 603 are arranged concentrically, and the locking rod 604 can be controllably arranged between the first locking groove 602 and the second locking groove 603. When the protective sleeve 400 is inserted into the second locking groove 603, one end of the locking rod 604 is controlled to move out of the groove of the rod 100, and the other end of the locking rod 604 is controlled to insert into the groove of the protective sleeve 400. In this way, the free end of the rod 100 is inserted into the first locking groove 602 on the connecting seat 601, and the rod 100 in the first locking groove 602 is locked by the locking rod 604, so that the connection between the rod 100 and the flushing head 200 is completed, and the arc-shaped flushing hole 300 can be described underground by the mutual cooperation of the rod 100 and the flushing head 200. When the protective sleeve 400 surrounding the rod 100 is inserted into the flushing hole 300 formed by the flushing head 200, one end of the protective sleeve 400 is inserted into the second locking groove. 603, at this time, one end of the locking rod 604 is controlled to move out of the groove of the rod 100 to release the lock of the rod 100, and the other end of the locking rod 604 is controlled to be inserted into the groove of the protective sleeve 400 to complete the locking of the protective sleeve 400, so that the protective sleeve 400 is connected to the flushing head 200, so that when the protective sleeve 400 remains in the soil, it is convenient to remove the rod 100, and at the same time, the protective sleeve 400 can be used to better push the flushing head 200 to move to the target drilling point, thereby ensuring the efficient implementation of geological exploration.

[0040] Optionally, a mounting hole penetrating the first locking groove 602 and the second locking groove 603 is provided between the two, and the locking rod 604 can be controllably arranged in the mounting hole. In this way, by controlling the movement of the locking rod 604, the locking of the protective sleeve 400 can be completed while the locking of the rod 100 can be released, so that the arc-shaped flushing hole 300 can be smoothly described underground, and the rod 100 can be smoothly removed when the protective sleeve 400 surrounding the rod 100 is inserted into the flushing hole 300 formed by the flushing head 200. Of course, the locking rod 604 can also be installed in the first locking groove 602 and the second locking groove 603 respectively, and the locking rod 604 in the first locking groove 602 is used to lock the rod 100 alone, and the locking rod 604 in the second locking groove 603 is used to lock the protective sleeve 400 alone.

[0041] It is worth noting that: since the connection between the rod 100 and the flushing head 200 is completed before construction, the connection between the rod 100 and the flushing head 200 is relatively easy, and it is also easy to observe during the installation process, and it is easy to operate the locking rod 604 to lock the rod 100 in the first locking groove 602. The connection between the protective sleeve 400 and the flushing head 200 is carried out in the underground flushing hole 300, and it is not easy to observe the installation status. Therefore, when installing the protective sleeve 400, the drilling operation of the flushing head 200 is stopped. In the process of inserting the protective sleeve 400 into the flushing hole 300, when the protective sleeve 400 can no longer be pushed forward, In this case, it means that one end of the protective sleeve 400 has entered the second locking groove 603. At this time, the locking rod 604 can be controlled to lock the protective sleeve 400. Since the protective sleeve 400 is sleeved on the rod portion 100 and moves along the rod portion 100 to the flushing hole 300, and the first locking groove 602 and the second locking groove 603 are concentrically arranged, it can be ensured that the protective sleeve 400 can smoothly and stably enter the second locking groove 603. Therefore, when the protective sleeve 400 cannot continue to move forward, it means that the protective sleeve 400 has entered the second locking groove 603 instead of abutting against other positions of the connecting seat 601.

[0042] Optionally, a driving assembly is provided in the connection seat 601, and the driving assembly includes a driving part and a control part. The driving part is provided in the connection seat 601, and the driving part is a driving motor. The output end of the driving motor is connected to the flushing head 200, and can drive the flushing head 200 to rotate. The control part is a remote control end, and includes a first control end and a second control end. The first control end is configured to control the locking target of the locking rod 604, and the second control end is configured to control the start and stop of the driving part. In this way, when the protective sleeve 400 surrounding the rod 100 is inserted into the flushing hole 300 formed by the flushing head 200, and when one end of the protective sleeve 400 enters the second locking groove 603, the locking rod 604 is controlled by the first control end to lock the protective sleeve 400 and release the lock of the rod 100. At this time, the rod 100 is pulled out of the flushing hole 300, and the driving part is started by the second control end. The flushing head 200 is driven by the driving part to perform drilling operations, thereby ensuring smooth and efficient exploration and construction.

[0043] It is worth pointing out that the drive motor can also be set on the ground surface, and a flexible shaft is set between the drive motor and the flushing head 200. The drive motor drives the flushing head 200 to rotate by driving the flexible shaft, so that the flushing head 200 can be driven externally, which helps to simplify the structure of the flushing head 200.

[0044] Optionally, the flushing head 200 in the arc-shaped flushing hole 300 is pushed to the target drilling point by mechanically pushing the protective sleeve 400, and the mechanical pushing of the protective sleeve 400 includes continuously pressing one end of the protective sleeve 400 located on the ground with a press machine. In this way, the mechanical pushing method is more time-saving and labor-saving than manual pushing, and can ensure that the flushing head 200 is pushed to the target drilling point more safely and efficiently, thereby improving the efficiency of exploration and construction.

[0045] Optionally, an arc-shaped flushing hole is described underground so that its port tangent is in the horizontal direction. In this way, when soil exploration is carried out under limited space, the purpose of horizontal drilling to explore the soil can be achieved without manually digging a large area of ​​soil pits for auxiliary drilling. The tangent of the flushing hole port is in the horizontal direction. At this time, the flushing head located at the flushing hole port is placed horizontally, and the flushing head in the flushing hole can be steadily pushed into the soil in the horizontal direction by using the protective casing, so that a precisely oriented flushing hole can be made, which simplifies the drilling method and achieves the purpose of exploring the soil at the target location.

[0046] Optionally, the arc-shaped pre-bent rod is composed of multiple sections of detachable end-to-end curved segments. In this way, these parts are connected together one after another when being flushed into the soil, which is particularly advantageous in the case of particularly narrow space conditions. In the case of particularly narrow space conditions, it is impossible to use a one-piece connecting rod because the presence of buildings prevents the correct orientation of the connecting rod. Since the drilling process of the rod is hindered in the case of limited space, for example, the presence of buildings will hinder the drilling process of the rod, the use of a one-piece rod cannot achieve the purpose of accurate directional drilling, and it is necessary to manually excavate a large area of ​​soil pits to assist in drilling in order to explore the target location. Therefore, the rod is composed of multiple sections of detachable end-to-end curved segments, which can make the end-to-end connected curved segments connected together one after another when being flushed into the soil, which is helpful to manufacture accurately oriented flushing holes under space constraints, thereby ensuring that an arc-shaped flushing hole that meets the exploration and construction requirements can be smoothly described underground, and the arc length of the rod can be changed by installing or removing the end-to-end connected curved segments, which is convenient for adjusting the depth of the flushing hole, so as to achieve the purpose of manufacturing accurately oriented flushing holes.

[0047] like Figure 5-6 As shown, the rod 100 is optionally composed of a plurality of arc-shaped steel pipe sections connected to each other. In this way, the steel pipe structure has high stability and strength, is not easily deformed, and can avoid deformation of the rod 100 due to external forces during the drilling process. Thus, the rod 100 is composed of a plurality of arc-shaped steel pipe sections, which can ensure that the drilling process is carried out smoothly and smoothly, and facilitate the stable formation of a relatively regular arc-shaped flushing hole 300, so that the manufactured flushing hole 300 meets the needs of exploration and construction.

[0048] Optionally, two adjacent steel pipe sections are connected by a connector 101. In this way, compared with direct docking, the connection of the connector 101 can not only make the connection between the steel pipe sections more secure and improve the stability of the connection, but also, when the arc length of the rod 100 cannot meet the drilling depth, the arc length of the rod 100 can be increased by the connector 101, thereby achieving the purpose of adjusting the drilling depth, so that the rod 100 can describe a flushing hole 300 that is more conducive to geological exploration.

[0049] Optionally, the connector 101 includes: a connecting hole and a connecting rod. The connecting hole is a connecting hole in which one end of the steel pipe segment is recessed into the inside thereof, and an internal thread is arranged in the connecting hole; the connecting rod is an arc-shaped connecting rod adapted to the shape of the steel pipe segment, and an external thread is arranged on the outer wall of the connecting rod. When two steel pipe segments are connected, one end of the connecting rod is inserted into the connecting hole of one of the steel pipe segments, and the other end is inserted into the connecting hole of the other steel pipe segment. In this way, the threaded connection method is relatively simple and has high connection stability, so that the steel pipe segments are not easy to separate after being connected, and the stability of the connection is improved. Among them, the threaded connection is completed by making the connecting rod located in the connecting hole of the steel pipe segment, which can prevent the situation where the protrusion on the outer wall of the rod 100 hinders the protective sleeve 400 from being inserted into the flushing hole 300 around the rod 100, and reduces the influence of the connector 101 on the protective sleeve 400 when being inserted into the flushing hole 300, which can ensure that the protective sleeve 400 is smoothly inserted into the flushing hole 300 around the rod 100.

[0050] It can be understood that, as another connection method, the connecting rod is a hollow structure, and an internal thread is provided on its inner wall, and external threads are provided at both ends of the steel pipe segment, so that the connecting rod can be sleeved between the two steel pipe segments to complete the connection. In the present application, as a preferred embodiment, the connecting rod is set in the connecting hole of the steel pipe segment to complete the threaded connection; of course, multiple steel pipe segments can also be connected by snapping, splicing or snapping, which will not be repeated here. Alternatively, according to different spatial construction requirements, the rod portion 100 can also be a one-piece structure, or multiple steel pipe segments can be welded to each other. This can save time in assembling the rod portion 100 and facilitate rapid exploration and construction.

[0051] Optionally, the arc-shaped pre-bent rod portion refers to an arc-shaped pre-bent rod portion, the radius of which is determined according to a required drilling depth. In this way, the arc-shaped pre-bent rod will produce an arc-shaped flushing hole in the section under any circumstances, and the arc-shaped flushing hole is relatively regular in shape. When one end of the rod is inserted into the ground hole in a vertical direction, the tangent of the port of the arc-shaped flushing hole can be ensured to be in the horizontal direction, so that the flushing head in the flushing hole can be oriented horizontally. At this time, the protective casing can be used to stably push the flushing head in the flushing hole into the soil in the horizontal direction, so as to achieve the purpose of exploring the soil at the target position. Since one end of the rod is on the surface and the other end is deep underground, the radius of the arc-shaped rod is the depth of the borehole. Therefore, the radius of the arc-shaped rod can be adjusted according to the depth requirement of the borehole, so that the manufactured flushing hole meets the needs of geological exploration and construction, which helps to improve the efficiency of exploration and construction. For example, when a flushing hole with a depth of 6 meters needs to be drilled, it is only necessary to adjust the radius of the arc-shaped rod to 6 meters, and a flushing hole that meets the needs of exploration and construction can be quickly described underground.

[0052] Optionally, the radius of the arc-shaped pre-bent rod is proportional to the depth of the borehole. In this way, after determining the required drilling depth, it is only necessary to adjust the radius of the arc-shaped pre-bent rod to produce a flushing hole that meets the exploration needs, that is, as the drilling depth increases, the radius of the rod increases, and as the drilling depth decreases, the radius of the rod decreases. After determining the radius of the rod according to the drilling depth, a circular arc-shaped rod with a corresponding radius is pre-manufactured, and a flushing hole of a precise depth can be quickly manufactured underground, thereby improving the drilling accuracy and the drilling efficiency.

[0053] Optionally, the arc-shaped pre-bent rod has an arc angle of at most 1 / 2 round. In this way, the rod is particularly configured as an arc, so that a circular flushing hole can be produced accordingly (in any case in the section), and the arc has an arc angle of at most 1 / 2 round, and when one end of the rod is inserted vertically into the ground drilled hole, it can be ensured that the tangent of the end of the formed circular flushing hole is in the horizontal direction.

[0054] Optionally, the flushing head is introduced below the ground at an angle between 40 and 90 degrees relative to the horizontal plane. In this way, by setting the flushing head to be introduced below the ground at an angle range of 40 to 90 degrees relative to the horizontal plane, the inclination angle of the flushing head can be within a reasonable range, and the flushing head can make a flushing hole below the ground at a very steep drilling entrance angle. Since the rod portion is an arc-shaped structure, the flushing head can be used to describe an arc-shaped flushing hole below the ground, and the port tangent of the described arc-shaped flushing hole can be in a horizontal direction, thereby enabling the flushing head to describe a flushing hole that meets the exploration and construction requirements below the ground.

[0055] Optionally, the arc angle of the arc-shaped pre-bent rod portion matches the entrance angle of the flushing hole. In this way, the tail end of the flushing hole described below the ground can be in a horizontal direction, ensuring that when the protective sleeve is inserted into the flushing hole, the protective sleeve can stably push the flushing head in the flushing hole to flush into the soil in a horizontal direction, thereby achieving the purpose of exploring the soil at the target location. After the arc-shaped flushing hole is described below the ground, there is no need to repeatedly determine whether the end of the flushing hole located underground is horizontal using auxiliary tools, which helps to improve the construction efficiency of drilling holes.

[0056] Optionally, after the arc-shaped flushing hole is described, the protective sleeve is sleeved on the rod from the ground end and inserted into the flushing hole along the rod. In this way, by inserting the protective sleeve into the flushing hole along the rod, the protective sleeve can be smoothly and steadily inserted into the arc-shaped flushing hole, and the position deviation of the protective sleeve during the insertion of the flushing hole can be avoided. The protective sleeve can stably push the flushing head in the flushing hole to flush into the soil in the horizontal direction, so as to achieve the purpose of exploring the soil quality at the target position.

[0057] like Figure 4As shown, optionally, after the protective sleeve is inserted into the flushing hole, a set length of the protective sleeve is reserved on the ground. In this way, it is convenient for construction personnel to use the protective sleeve of the set length reserved on the ground to push the flushing head to continue to move underground in the horizontal direction until the flushing head in the flushing hole is pushed horizontally to the target drilling point, thereby reducing the difficulty of operation during the construction process and improving the convenience of exploration and construction.

[0058] Optionally, before the protective sleeve is sleeved on the rod, a traction rope is fixed on one end of the rod, and the other end of the traction rope passes through the protective sleeve. In this way, since the protective sleeve is inserted into the flushing hole in a manner of being sleeved on the rod, after the protective sleeve is sleeved on the rod, it is difficult to remove the rod because the rod is located in the protective sleeve. Therefore, before the protective sleeve is sleeved on the rod, a traction rope is fixed on one end of the rod, and the other end of the traction rope passes through the protective sleeve, so that the construction personnel can smoothly and quickly pull the rod out of the protective sleeve with the help of the traction rope, which reduces the difficulty of removing the rod and improves the convenience of removing the rod.

[0059] like Figure 4 As shown, optionally, the traction rope 500 is a steel wire rope, and one end of the traction rope 500 passing through the protective sleeve has a set length. In this way, it is convenient for construction workers to better pull the rod out of the protective sleeve through the traction rope 500 located outside the protective sleeve, and the traction rope 500 is a steel wire rope, which is not easy to break when the construction workers pull the traction rope 500, thereby improving the stability of the rod removal process.

[0060] Optionally, the protective casing is inserted while the flushing head is performing the flushing function. In this way, the flushing function of the flushing head helps to remove the broken rock products in the flushing hole, cool and lubricate the flushing head in the flushing hole, protect the inner wall of the flushing hole, and maintain the pressure balance in the flushing hole, so that the protective casing is inserted while the flushing head is performing the flushing function, which is more conducive to stably and smoothly inserting the protective casing into the flushing hole, and can avoid the situation where the protective casing is affected by the presence of soil debris in the flushing hole or the instability of the inner wall of the flushing hole, thereby reducing the difficulty of inserting the protective casing, improving the efficiency of inserting the protective casing into the flushing hole, and helping to efficiently carry out exploration and construction.

[0061] Optionally, a flexible tube is connected to the flushing head, and one end of the flexible tube is connected to an infusion pump on the ground surface, and the infusion pump can deliver the flushing liquid to the flushing head through the flexible tube. In this way, when the flushing head operates the flushing function, the infusion pump can deliver the flushing liquid to the flushing head through the flexible tube, so that the flushing hole is flushed with the flushing liquid, which can remove the broken rock products in the flushing hole, cool and lubricate the flushing head in the flushing hole, protect the inner wall of the flushing hole, and maintain the pressure balance in the flushing hole.

[0062] It is worth pointing out that: the flushing of the drill hole can be carried out by circulating flushing, and the existing technology can be used for both the drilling hole flushing and the circulating flushing method to achieve the purpose of circulating flushing of the flushing hole, which will not be repeated here.

[0063] Optionally, the flushing head operates the flushing function while the arc-shaped flushing hole is described underground. In this way, the flushing head operates the flushing function to remove the broken rock products in the flushing hole, cool and lubricate the flushing head in the flushing hole, protect the inner wall of the flushing hole, and maintain the pressure balance in the flushing hole. Therefore, the flushing head operates the flushing function while the arc-shaped flushing hole is described underground, which is helpful for subsequent construction and improves the efficiency of exploration construction. Of course, after the arc-shaped flushing hole is described underground, the flushing function can also continue to operate. For example, when the protective casing is inserted into the flushing hole, the flushing hole must be strictly flushed.

[0064] Optionally, when the flushing head operates the flushing function, the flushing liquid used in the flushing process contains bentonite and / or carboxymethyl cellulose. In this way, during the flushing process, the bentonite and / or carboxymethyl cellulose can be used to support the flushing hole, making the flushing hole more stable, more conducive to subsequent construction, and ensuring that the exploration construction can be carried out in an orderly manner.

[0065] Optionally, the protective sleeve is sealed with a clay plug before the rod is removed. Thus, by sealing the protective sleeve with a clay plug before the rod is removed, it is possible to prevent debris in the flushing hole from entering the protective sleeve after the rod is removed, thereby helping to avoid the situation where the exploration construction is affected by debris remaining in the flushing hole, and ensuring efficient geological exploration.

[0066] Combination Figure 8 As shown, optionally, the method for making a geological borehole in the soil also includes: S04, introducing a filter strip into the protective casing after the exploration is completed; S05, pouring thick mud into the flushing hole, and filtering with the filter strip to leave the coarse particles in the flushing hole; S06, slowly pulling out the protective casing. In this way, after the exploration is completed, filtering with the filter strip to leave the coarse particles in the flushing hole helps to better fill the flushing hole, enhance the filling effect of the flushing hole, and fill the flushing hole more tightly, making the flushing hole more stable after filling, avoiding the soil above the flushing hole from sinking, and filling the flushing hole by pouring thick mud into the flushing hole can reduce soil pollution and be more environmentally friendly.

[0067] Optionally, the flushing head is also withdrawn from the flushing hole while the protective casing is slowly withdrawn. In this way, after the exploration and construction is completed, the protective casing and the flushing head are withdrawn from the flushing hole, which can avoid the situation where the protective casing and the flushing head are buried underground. The protective casing and the flushing head can be reused during the next geological exploration and construction, which helps to save the exploration and construction costs.

[0068] Optionally, the flushing head is pulled out of the flushing hole by means of a flexible tube with one end connected to the flushing head and the other end located on the ground. In this way, since the flushing head is located in the flushing hole underground, the flexible tube located outside is more convenient to pull the flushing head to move outside along the flushing hole, thereby improving the convenience of taking out the flushing head, and in the process of pulling the flushing head to move to the ground, it is helpful to stir the thick mud in the flushing hole with the moving flushing head, so that the thick mud fills the flushing hole more tightly, thereby enhancing the filling effect of the flushing hole.

[0069] It is worth noting that: since the clay plug is located in the protective sleeve, the clay plug in the protective sleeve can be taken out while the protective sleeve and the flushing head are simultaneously pulled out, thereby avoiding the situation where the clay plug remains in the flushing hole and affects the stability of the landfill.

[0070] Optionally, after the protective sleeve is pulled out, the entrance end of the flushing hole surface is pressed, so that the thick mud poured into the flushing hole can be made more compact, the compactness of the filling can be further enhanced, and the soil depression can be prevented.

[0071] The above description and the accompanying drawings fully illustrate the embodiments of the present disclosure so that those skilled in the art can practice them. Other embodiments may include structural, logical, electrical, process and other changes. The embodiments represent only possible changes. Unless explicitly required, separate components and functions are optional, and the order of operation may vary. The parts and features of some embodiments may be included in or replace the parts and features of other embodiments. Moreover, the words used in this application are only used to describe the embodiments and are not used to limit the claims. As used in the description of the embodiments and the claims, unless the context clearly indicates, the singular forms of "a", "an" and "the" are intended to include plural forms as well. Similarly, the term "and / or" as used in this application refers to any and all possible combinations of listings containing one or more associated ones. In addition, when used in the present application, the term "comprise" and its variants "comprises" and / or comprising refer to the presence of stated features, wholes, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or groups thereof. In the absence of further restrictions, the elements defined by the sentence "comprising a ..." do not exclude the presence of other identical elements in the process, method or device comprising the elements. In this article, each embodiment may focus on the differences from other embodiments, and the same and similar parts between the various embodiments may refer to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method part disclosed in the embodiments, then the relevant parts can refer to the description of the method part.

[0072] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software may depend on the specific application and design constraints of the technical solution. The technicians may use different methods for each specific application to implement the described functions, but such implementations should not be considered to exceed the scope of the embodiments of the present disclosure. The technicians may clearly understand that, for the convenience and simplicity of description, the specific working processes of the systems, devices and units described above may refer to the corresponding processes in the aforementioned method embodiments, and will not be repeated here.

[0073] In the embodiments disclosed herein, the disclosed methods and products (including but not limited to devices, equipment, etc.) can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units can be only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between each other shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms. The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to implement this embodiment. In addition, each functional unit in the embodiment of the present disclosure may be integrated in a processing unit, or each unit may exist physically alone, or two or more units may be integrated in one unit.

[0074] The flowchart and block diagram in the accompanying drawings show the possible architecture, function and operation of the system, method and computer program product according to the embodiment of the present disclosure. In this regard, each box in the flowchart or block diagram can represent a module, a program segment or a part of the code, and the module, the program segment or a part of the code contains one or more executable instructions for realizing the specified logical function. In some alternative implementations, the functions marked in the box can also occur in a different order from the order marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, which can depend on the functions involved. In the description corresponding to the flowchart and the block diagram in the accompanying drawings, the operations or steps corresponding to different boxes can also occur in a different order from the order disclosed in the description, and sometimes there is no specific order between different operations or steps. For example, two consecutive operations or steps can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, which can depend on the functions involved. Each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, may be implemented by a dedicated hardware-based system that performs the specified functions or actions, or may be implemented by a combination of dedicated hardware and computer instructions.

Claims

1. A method for producing a geological borehole in soil, characterized in that include: By means of an arc-shaped pre-bent rod and a flushing head arranged on the free end of the rod, an arc-shaped flushing hole is described underground; Inserting a protective sleeve around the rod into the flushing hole formed by the flushing head, and removing the rod with the protective sleeve remaining in the soil, when inserting the protective sleeve around the rod into the flushing hole formed by the flushing head, making the insertion end of the protective sleeve reach the position of the flushing head, and pulling out the rod when the protective sleeve contacts the flushing head; Using the protective sleeve to continue pushing the flushing head along the tangent direction of the arc-shaped flushing hole port to the target drilling point; Among them, grooves are arranged on the side walls of the free end of the rod and on the side walls of one end of the protective sleeve inserted into the flushing hole. The rod and the flushing head, as well as the protective sleeve and the flushing head, are connected by a connecting part, and the connecting part includes: a connecting seat, a first locking groove, a second locking groove and a locking rod. The connecting seat is arranged at one end of the flushing head; the first locking groove is arranged on the connecting plate, and the first locking groove is used to lock one end of the rod; the second locking groove is arranged on the connecting plate, and the second locking groove is used to lock one end of the protective sleeve, and the first locking groove and the second locking groove are arranged concentrically, and locking rods are respectively installed in the first locking groove and the second locking groove, and the locking rod in the first locking groove is used to lock the rod alone, and the locking rod in the second locking groove is used to lock the protective sleeve alone.

2. The method according to claim 1, characterized in that An arc-shaped flushing hole is described underground with its end tangent in the horizontal direction.

3. The method according to claim 1, characterized in that The arc-shaped pre-bent rod portion is composed of a plurality of curved sections which are detachably connected end to end.

4. The method according to claim 1, characterized in that The arc-shaped pre-bent rod portion refers to an arc-shaped pre-bent rod portion, and the radius of the arc-shaped pre-bent rod portion is determined according to the required drilling depth.

5. The method according to claim 1, characterized in that The flushing head is introduced below the ground at an angle between 40 and 90 degrees relative to the horizontal plane.

6. The method according to claim 1, characterized in that After the arc-shaped flushing hole is described, the protective sleeve is sleeved on the rod from the ground end and the protective sleeve is inserted into the flushing hole along the rod.

7. The method according to claim 6, characterized in that A traction rope is fixed on one end of the rod before the protective sleeve is sleeved on the rod, and the other end of the traction rope passes through the protective sleeve.

8. The method according to claim 1, characterized in that The protective sleeve is inserted while the flushing head is operating the flushing function.

9. The method according to claim 1, characterized in that: The protective sleeve is closed with the aid of a clay plug before the shaft is removed.

10. The method according to any one of claims 1 to 9, characterized in that: Also includes: After the exploration is completed, filter strips are introduced into the protective casing; Pour thick mud into the flushing hole and use filter strips to filter the coarse particles to keep them in the flushing hole; Slowly pull out the protective sleeve.

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