A three-axis cement mixing pile machine construction pile position precise positioning device and positioning method

Abstract

The invention relates to a three-axis cement mixing pile machine, and in particular to a three-axis cement mixing pile machine construction pile position precision positioning device and positioning method. The positioning device is provided with at least two laser emitters for emitting lasers toward an excavation surface. All the laser emitters are detachable and vertically arranged on a lower support of the three-axis cement mixing pile machine. All the laser emitters are arranged at intervals in the horizontal direction. The laser emitters can project a corresponding number of laser points on the excavation surface. The distance from the laser point to the drilling position of three drill shafts is equal to the horizontal distance from the laser emitter to the drilling position of the three drill shafts. A line is determined by two points, and the lateral and longitudinal positions of three drill shafts arranged in a straight line are determined by more than two laser points. The three-axis cement mixing pile machine is driven to move by camera imaging so that the laser point and the preset marking point correspond to complete the positioning. This structure reduces the distance between the plumb bob and the excavation surface, accurately positions, and solves the problems of errors in the drilling position and time-consuming and labor-intensive problems.

Description

Technical Field

[0001] The invention relates to a three-axis cement mixing pile machine, and in particular to a device for accurately positioning a construction pile position of a three-axis cement mixing pile machine, and a method for accurately positioning a construction pile position of a three-axis cement mixing pile machine. Background Art

[0002] With the rapid development of the national economy, urban construction has also advanced by leaps and bounds, and various large-scale construction projects have sprung up everywhere. As one of the main forms of foundation pit support, three-axis mixing piles have the advantages of fast construction speed, significant water-stopping effect after pile formation, mechanical automatic control, and simple operation procedures compared with other forms of piles. However, due to the long history of three-axis mixing pile machines, the use of them has not been updated.

[0003] Especially in the aspect of pile positioning, the pile positioning usually adopts a plumb line for vertical plumb positioning. One end of the plumb line is connected to the three-axis pile mixing machine, and the other end is tied with a plumb cone to ensure verticality.

[0004] This ancient method of locating the pile position uses a plumb line and visual observation to align the edge of the pile foundation. However, since the plumb line needs to be vertical, the plumb bob and the ground cannot touch each other and there is a distance between them. Therefore, visual positioning is required. However, it is impossible for a bystander to observe from a vertical direction. Therefore, there is an error between the drilling position located by this structure and the actual position where the hole needs to be drilled, and it is time-consuming and labor-intensive. Summary of the invention

[0005] Based on this, the purpose of the present invention is to provide a three-axis cement mixing pile machine construction pile position precise positioning device with the characteristics of precise positioning and easy installation and disassembly.

[0006] A device for accurately positioning pile positions during construction of a three-axis cement mixing pile machine, comprising:

[0007] at least two laser transmitters for emitting laser light toward the excavation surface, and a camera for photographing the laser points projected on the excavation surface by all the laser transmitters;

[0008] All the laser emitters are detachably mounted on the lower support of the three-axis cement mixing pile machine, all the laser emitters are arranged at intervals in the horizontal direction, and all the laser emitters are arranged vertically;

[0009] The camera is arranged on the lower support of the three-axis cement mixing pile machine.

[0010] At least two laser emitters are provided to emit lasers toward the excavation surface, all of which are detachably arranged on the lower support of the three-axis cement mixing pile machine, all of which are arranged at intervals in the horizontal direction, and more than two laser emitters can project a corresponding number of laser points on the excavation surface, and all of which are arranged vertically, so that the laser emitters can emit vertical lasers, and the distances from the laser points to the drilling positions of the three drill shafts are equal to the horizontal distances from the laser emitters to the drilling positions of the three drill shafts. A line is determined by two points, so the lateral and longitudinal positions of three drill shafts arranged in a straight line can be determined by two laser points. Specifically, a first marking point can be marked at the drilling position of one of the drill shafts, and a second marking point can be added to mark the horizontal lateral deviation and horizontal longitudinal deviation between one of the laser emitters and one of the drilling positions, and another second marking point can be added to mark the horizontal lateral deviation and horizontal longitudinal deviation between another laser emitter and another drilling position. Marking point, align the two laser points with the corresponding second marking points, then two drill axes are aligned with the first marking point to complete the positioning, since the three drill axes are set in a straight line, the three drill axes are positioned; more than two laser emitters can be used to reduce the error caused by insufficient actual verticality when the laser emitter is set vertically. When the two laser points of the laser emitter and the drilling position cannot be aligned due to insufficient laser verticality, the center can be taken from multiple laser points and multiple second marking points to reduce the error; by setting a camera, the positional relationship between the laser point and the second marking point is captured. When in use, the image projected by the camera is observed and the three-axis cement mixing pile machine is driven to perform horizontal or vertical displacement to make the laser point correspond to the second marking point to complete the positioning. This structure reduces the distance between the plumb bob and the excavation surface, directly projects the laser point on the excavation surface, accurately positions, eliminates visual deviation, and solves the problem of errors between the drilling position and the actual position to be drilled and the time-consuming and labor-intensive problem.

[0011] Further preferably, all the laser emitters are arranged along parallel lines parallel to the horizontal lines connecting the axes of the three drill shafts of the three-axis cement mixing pile machine, and each of the laser emitters is arranged on a horizontal line perpendicular to the horizontal lines and connected to the axes of the drill shafts, thereby reducing the horizontal lateral deviation between the laser emitter and the drill shaft, saving marking time, and only needing to record the horizontal longitudinal deviation between the laser emitter and the straight forward direction of the drilling position, the hole position corresponding to the laser emitter can be marked according to the drilling positions of the three drill shafts.

[0012] Further preferably, the number of the laser emitters is two, one of the laser emitters is arranged on a horizontal line perpendicular to the horizontal line and connected to the axis of the first drill shaft, and the other laser emitter is arranged on a horizontal line perpendicular to the horizontal line and connected to the axis of the third drill shaft. The drilling position positioning of the three drill shafts can be completed by two laser emitters. The laser emitter can be arranged on a horizontal line perpendicular to the horizontal line and connected to the axis of the first drill shaft, the axis of the second drill shaft or the axis of the third drill shaft. The two laser emitters can be selectively arranged on two of the above-mentioned horizontal lines.

[0013] Further preferably, the three-axis cement mixing pile machine construction pile position precise positioning device also includes:

[0014] The emitter bracket is fixedly connected to the lower support, and the emitter bracket is detachably connected to the laser emitter.

[0015] Through the detachable connection between the transmitter bracket and the laser transmitter, the laser transmitter is installed during positioning, and the laser transmitter is removed when the drilling shaft is working, so as to avoid dust or gravel from causing damage to the laser transmitter.

[0016] Further preferably, the three-axis cement mixing pile machine construction pile position precise positioning device also includes:

[0017] A camera bracket is fixedly connected to the lower support, and the camera bracket is detachably connected to the camera.

[0018] Through the detachable connection between the camera bracket and the camera, the camera can be installed during positioning and removed when the drill shaft is working to prevent dust or gravel from causing damage to the camera.

[0019] Further preferably, the camera bracket is arranged between the two transmitter brackets;

[0020] The camera is a wide-angle camera, and the wide-angle camera has a wider shooting angle.

[0021] Compared with the prior art, the three-axis cement mixing pile machine construction pile position precise positioning device of the present invention is provided with at least two laser emitters for emitting lasers toward the excavation surface, all of the laser emitters are detachably arranged on the lower support of the three-axis cement mixing pile machine, all of the laser emitters are arranged at intervals in the horizontal direction, more than two laser emitters can project a corresponding number of laser points on the excavation surface, all of the laser emitters are arranged vertically, so that the laser emitters can emit vertical lasers, the distances from the laser points to the drilling positions of the three drill shafts are equal to the horizontal distances from the laser emitters to the drilling positions of the three drill shafts, a line is determined by two points, and therefore the horizontal and longitudinal positions of the three drill shafts arranged in a straight line can be determined by two laser points. Specifically, a first marking point can be marked at the drilling position of one of the drill shafts, and a second marking point can be marked with the horizontal lateral deviation and horizontal longitudinal deviation of one of the laser emitters and one of the drilling positions, as well as the horizontal lateral deviation of another laser emitter and another drilling position. and a second mark point with horizontal longitudinal deviation mark, align the two laser points with the corresponding second mark points, then two drill axes are aligned with the first mark point to complete the positioning, and since the three drill axes are arranged in a straight line, the three drill axes complete the positioning; more than two laser emitters can be used to reduce the error caused by insufficient actual verticality when the laser emitter is vertically arranged. When the two laser points of the laser emitter and the drilling position cannot be aligned due to insufficient laser verticality, the center can be taken from multiple laser points and multiple second mark points to reduce the error; by setting a camera, the position relationship between the laser point and the second mark point is photographed. When in use, the laser point is aligned with the second mark point by observing the image projected by the camera and driving the three-axis cement mixing pile machine to perform lateral or longitudinal displacement to complete the positioning. This structure reduces the distance between the plumb bob and the excavation surface, directly projects the laser point on the excavation surface, accurately positions, eliminates visual deviation, and solves the problem of errors between the drilling position and the actual position where the drilling is required, as well as time-consuming and labor-intensive problems. The three-axis cement mixing pile machine construction pile position accurate positioning device of the present invention has the characteristics of accurate positioning and convenient installation and disassembly.

[0022] A method for accurately positioning a pile position during construction of a three-axis cement mixing pile machine, using the device for accurately positioning a pile position during construction of a three-axis cement mixing pile machine, comprises the following construction steps:

[0023] Recording differences, which at least include a horizontal lateral difference and a horizontal longitudinal difference between one of the laser transmitters and the axis of one of the drill shafts on the three-axis cement mixing pile machine, and a horizontal lateral difference and a horizontal longitudinal difference between another laser transmitter and the axis of another drill shaft on the three-axis cement mixing pile machine;

[0024] Mark the first marking point, and mark the drilling position on the excavation surface according to the drilling positions of at least two drilling shafts of the three-axis cement mixing pile machine in the construction design;

[0025] Mark a second mark point, using one of the first marks as a base point plus the horizontal transverse difference and the horizontal longitudinal difference between one of the laser transmitters and the axis of one of the drill shafts to mark a second mark point, and using another first mark point as a base point plus the horizontal transverse difference and the horizontal longitudinal difference between another laser transmitter and the axis of another drill shaft to mark another second mark point;

[0026] Mark alignment, observe the positional relationship between the laser points emitted by the two laser transmitters and the two second marking points through the camera, and drive the three-axis cement mixing pile machine to move so that the two laser points are projected on the two second marking points respectively.

[0027] The present invention further provides a method for accurately positioning the construction pile position of a three-axis cement mixing pile machine, by recording the horizontal lateral difference and the horizontal longitudinal difference between the axis of the two laser transmitters and the corresponding drill shaft on the three-axis cement mixing pile machine, and marking the first marking point, and the first marking point plus the horizontal lateral difference and the horizontal longitudinal difference between the axis of the laser transmitter and the corresponding drill shaft can form a second marking point, two laser transmitters correspond to two second marking points, then the axes of the two drill shafts are aligned with the first marking point, the two points determine a line, so the lateral position and the longitudinal position of the three drill shafts arranged in a straight line when the two laser points are aligned with the two second marking points can be determined; the positional relationship between the laser points emitted by the two laser transmitters and the two second marking points is observed by a camera, and the three-axis cement mixing pile machine is driven to move to the two laser points. When the points are projected onto two second marking points respectively, the positioning is completed; wherein, the number of the second marking points corresponds to the number of laser emitters, and the number of second marking points can also be more than two, and the second marking points exceeding two can be averaged with the position of the previous second marking point to reduce the error caused by insufficient actual verticality when the laser emitter is vertically set. When the two laser points of the laser emitter and the drilling position cannot be aligned due to insufficient laser verticality, the average can be taken from multiple laser points and multiple second marking points to reduce the error; compared with traditional plumb line positioning, this precise positioning method is not affected by crosswinds, can be operated at any time, is convenient for construction, and does not require additional staff on site for visual inspection, saving time and effort. At the same time, it eliminates the distance between the traditional plumb bob head and the excavation surface, reduces positioning errors, and is precise in positioning.

[0028] Further preferably, the following construction steps are also included between marking the second marking point and marking alignment:

[0029] Positioning piece setting, inserting a positioning piece protruding and showing the second marking point on the second marking point of the excavation surface;

[0030] The positioning member has an inserting portion that can be inserted into the second marking point of the excavation surface, and a protrusion or a groove coaxially arranged with the inserting portion.

[0031] By setting a positioning piece, when the insertion part is inserted into the position of the second marking point of the excavation surface, a protrusion or groove coaxially arranged with the insertion part is set on the excavation surface, and the excavation surface formed by sand is replaced by the mechanical structure of the protrusion or groove at the second marking point. The laser point is easier to display, and the laser point can be better aligned with the position of the second marking point, thereby solving the problem of unclear display of the laser on the excavation surface formed by sand.

[0032] Further preferably, after the mark alignment, the method further comprises:

[0033] Dismantle all laser transmitters and cameras and carry out the three-axis cement mixing pile machine construction. Dismantle the laser transmitter and camera before drilling construction to prevent dust or gravel from damaging the laser transmitter and camera.

[0034] Further preferably, before the mark alignment, the method further comprises:

[0035] All laser emitters and cameras are detachably fixedly connected to the lower support respectively. The detachable fixed connection allows the laser emitters and cameras to be disassembled after the mark is aligned, thereby preventing dust or gravel from damaging the laser emitters and cameras.

[0036] Compared with the prior art, the method for accurately locating the construction pile position of a three-axis cement mixing pile machine of the present invention records the horizontal lateral difference and the horizontal longitudinal difference between the axis of the drill shaft corresponding to the two laser transmitters and the three-axis cement mixing pile machine, and marks the first marking point. The second marking point can be formed by adding the horizontal lateral difference and the horizontal longitudinal difference between the first marking point and a laser transmitter and the corresponding drill shaft axis. The two laser transmitters correspond to the two second marking points, and the axes of the two drill shafts are aligned with the first marking point. The two points determine a line. Therefore, when the two laser points are aligned with the two second marking points, the lateral position and the longitudinal position of the three drill shafts arranged in a straight line can be determined; the positional relationship between the laser points emitted by the two laser transmitters and the two second marking points is observed by a camera, and the three-axis cement mixing pile machine is driven to move to the two lasers When the points are projected on two second marking points respectively, the positioning is completed; wherein, the number of the second marking points corresponds to the number of laser emitters, and the number of the second marking points can also be more than two. The second marking points exceeding two can be averaged with the position of the second marking point in front, so as to reduce the error caused by the insufficient actual verticality when the laser emitter is vertically set. When the two laser points of the laser emitter and the drilling position cannot be aligned due to the insufficient verticality of the laser, the average can be taken from multiple laser points and multiple second marking points to reduce the error; compared with the traditional plumb line positioning, this precise positioning method is not affected by crosswinds, can be operated at any time, is convenient for construction, and does not need to add staff on site for visual inspection, which saves time and effort. At the same time, it eliminates the distance between the traditional plumb bob and the excavation surface, reduces positioning errors, and has accurate positioning. The precise positioning method for the construction pile position of the three-axis cement mixing pile machine of the present invention has the characteristics of convenient construction, time and labor saving, and accurate positioning.

[0037] For better understanding and implementation, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a front view of the precise positioning device for the construction pile position of a three-axis cement mixing pile machine of the present invention;

[0039] Figure 2 It is a top view of the precise positioning device for the construction pile position of the three-axis cement mixing pile machine of the present invention;

[0040] Figure 3 It is a schematic diagram of the structure of the launcher bracket;

[0041] Figure 4 is a connection relationship diagram between the laser transmitter and the first connection socket;

[0042] Figure 5 It is a schematic diagram of the connection relationship between the camera and the second connection socket;

[0043] Figure 6It is a work flow chart of the method for accurately locating the pile position of a three-axis cement mixing pile machine according to the present invention;

[0044] Figure 7 is a positional relationship diagram of the first marking point and the second marking point;

[0045] Figure 8 is a schematic diagram of the structure of a positioning member having a single-layer protrusion;

[0046] Fig. 9 It is a schematic diagram of the structure of a positioning member with multiple layers of protrusions. DETAILED DESCRIPTION

[0047] The directional terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or may be mentioned in this specification are defined relative to their structure and are relative concepts. Therefore, they may change accordingly according to their different locations and different usage conditions. Therefore, these or other directional terms should not be interpreted as restrictive terms.

[0048] The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0049] The terms used in this disclosure are for the purpose of describing specific embodiments only and are not intended to limit the disclosure. The singular forms of "a", "said" and "the" used in this disclosure and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0050] Embodiment 1

[0051] like Figure 1 and Figure 2 As shown, Figure 1 This is a front view of the precise positioning device for the construction pile position of a three-axis cement mixing pile machine of the present invention. Figure 2 It is a top view of the construction pile position precise positioning device of the three-axis cement mixing pile machine of the present invention.

[0052] The three-axis cement mixing pile machine construction pile position precise positioning device of the present invention is arranged on the three-axis cement mixing pile machine 1. The three-axis cement mixing pile machine 1 includes a lower support 11 and three drill shafts 12 arranged in a straight line. The drill shaft 12 can be constructed downward from the excavation surface 2. The three-axis cement mixing pile machine 1 can be a crawler-type three-axis cement mixing pile machine 1.

[0053] The three-axis cement mixing pile machine construction pile position precise positioning device of the present invention comprises:

[0054] At least two laser emitters 3, all of which emit lasers toward the excavation surface 2, and all of which are arranged vertically, so that the laser emitters 3 can emit vertical lasers toward the excavation surface 2, replacing the plumb line with the vertical laser; all of which are detachably arranged on the lower support 11 of the three-axis cement mixing pile driver 1, and all of which are arranged at intervals in the horizontal direction, and more than two laser emitters 3 can project a corresponding number of laser points on the excavation surface 2. Since the laser emitters 3 emit vertical lasers, the distance from the laser point to the drilling position of the three drill shafts 12 is equal to the horizontal distance from the laser emitter 3 to the drilling position of the three drill shafts 12, and a line is determined by two points, so the horizontal and vertical positions of the three drill shafts 12 arranged in a straight line can be determined by two laser points. Specifically, a first marking point 21 can be marked on the drilling position of one of the drill shafts 12, and then a second marking point 22 can be marked with the horizontal lateral deviation and horizontal longitudinal deviation between one of the laser emitters 3 and one of the drilling positions, and another second marking point 22 can be marked with the horizontal lateral deviation and horizontal longitudinal deviation between another laser emitter 3 and another drilling position. The two laser points are aligned with the corresponding second marking points 22, and two drill shafts 12 are aligned with the first marking points 21 to complete the positioning. Since the three drill shafts 12 are arranged in a straight line, the three drill shafts 12 are positioned.

[0055] Position of laser transmitter 3:

[0056] The interval setting can be that all laser emitters 3 are arranged along the parallel line 14 of the horizontal line 13 parallel to the axes of the three drilling shafts 12 of the three-axis cement mixing pile machine 1, and each of the laser emitters 3 is arranged on the horizontal line 15 perpendicular to the horizontal line 13 and connected to the axes of the drilling shaft 12, or it can be an interval setting in which other laser emitters 3 do not overlap in the vertical direction. The above interval setting reduces the horizontal lateral deviation between the laser emitter 3 and the drilling shaft 12, saves marking time, and only needs to record the horizontal longitudinal deviation between the laser emitter 3 and the straight forward direction of the drilling position, and the hole position corresponding to the laser emitter 3 can be marked according to the drilling position of the three drilling shafts 12. The laser emitter 3 may also not be set along the parallel line 14 of the horizontal line 13 parallel to the axes of the three drill shafts 12 of the three-axis cement mixing pile machine 1, and it may be any position set at intervals. By recording the horizontal lateral deviation and horizontal longitudinal deviation of each laser emitter 3 and one of the drill shafts 12, after recording the horizontal lateral deviation and horizontal longitudinal deviation of two of the drill shafts 12, the horizontal lateral deviation and horizontal longitudinal deviation of different drill shafts 12 and laser emitters 3 can be added on the basis of the drilling position of the drill shaft 12 as the first marking point 21, as the second marking point 22, and the positioning can be completed by recording more than two second marking points 22. Specifically, the second marking point 22 formed by the leftmost drill shaft 12 and the leftmost laser emitter 3, and the second marking point 22 formed by the leftmost drill shaft 12 and the leftmost laser emitter 3, two marking points can complete the positioning. At this time, the three-axis cement mixing pile machine 1 can be operated to make the laser point and the second marking point 22 coincide.

[0057] Number of laser emitters 3:

[0058] The number of laser emitters 3 can be two, one of which is arranged on a horizontal line 15 perpendicular to the horizontal line 13 and connected to the axis of the first drilling axis 12, and the other laser emitter 3 is arranged on a horizontal line 15 perpendicular to the horizontal line 13 and connected to the axis of the third drilling axis 12. The two laser emitters 3 can complete the drilling position positioning of the three drilling axes 12. The laser emitter 3 can be arranged on a horizontal line 15 perpendicular to the horizontal line 13 and connected to the axis of the first drilling axis 12, the axis of the second drilling axis 12, or the axis of the third drilling axis 12. The two laser emitters 3 can be arranged on two of the above horizontal lines 15. The number of laser emitters 3 can also be more than two. The laser emitters 3 exceeding two can be used to reduce the error caused by insufficient actual verticality when the laser emitter 3 is vertically arranged. When the two laser points of the laser emitter 3 and the drilling position cannot be aligned due to insufficient laser verticality, the middle point can be selected from multiple laser points and multiple second marking points 22 to reduce the error.

[0059] A camera 4 is used to shoot all laser points, which are laser points projected by the laser emitter 3 on the excavation surface 2. Each laser emitter 3 projects a laser point on the excavation surface 2. The camera 4 is set on the lower support 11 of the three-axis cement mixing pile machine 1. By setting the camera 4, the positional relationship between the laser point and the second marking point 22 is shot. When in use, the laser point is aligned with the second marking point 22 by observing the image projected by the camera 4 and driving the three-axis cement mixing pile machine 1 to move horizontally or vertically to complete the positioning. It reduces the distance between the traditional plumb bob and the excavation surface 2, directly projects the laser point on the excavation surface 2, accurately locates, and eliminates visual deviation.

[0060] The excavation surface 2 may be the bottom surface of a foundation pit, or the surface of other areas to be constructed where the three-axis cement mixing pile machine 1 is required to construct.

[0061] like Figure 3 and Figure 4 As shown, Figure 3 This is a schematic diagram of the structure of the transmitter bracket. Figure 4 This is a connection diagram between the laser transmitter and the first connection socket.

[0062] The three-axis cement mixing pile machine construction pile position precise positioning device of the present invention also includes:

[0063] The emitter bracket 5 is fixedly connected to the lower support 11, and the emitter bracket 5 is detachably connected to the laser emitter 3. Through the detachable connection between the emitter bracket 5 and the laser emitter 3, the laser emitter 3 is loaded during positioning, and the laser emitter 3 is removed when the drilling shaft 12 is working, so as to prevent dust or gravel from causing damage to the laser emitter 3.

[0064] The emitter bracket 5 has a first connection seat 51, the first connection seat 51 has a threaded hole threadedly connected to the laser emitter 3, and at least one first connection rod 52, one end of all the first connection rods 52 are fixedly connected to the lower support 11, and the other end is fixedly connected to the first connection seat 51, and the laser emitter 3 is fixed by threaded connection to achieve detachability, which is convenient for installation and disassembly. The emitter bracket 5 can have three first connection rods 52, and the three first connection rods 52 are tilted to form a three-point support structure in the shape of a triangular pyramid. The three-point support structure is more solid than the single-point support structure of a single first connection rod 52. The emitter bracket 5 can also be a transmitter bracket 5 with one, two, four, etc. The first connection rod 52 can be a steel bar.

[0065] like Figure 5 As shown, Figure 5 It is a schematic diagram of the connection relationship between the camera and the second connecting socket.

[0066] The three-axis cement mixing pile machine construction pile position precise positioning device of the present invention also includes:

[0067] The camera bracket 6 is fixedly connected to the lower support 11 , and the camera bracket 6 is detachably connected to the camera 4 .

[0068] Through the detachable connection between the camera bracket 6 and the camera 4, the camera 4 is installed during positioning, and the camera 4 is removed when the drill shaft 12 is working, so as to avoid dust or gravel from causing damage to the camera 4. The camera bracket 6 has: a second connecting seat 61 and at least one second connecting rod 62, the second connecting seat 61 has a through hole, the camera 4 is threadedly connected to the second connecting seat 61 through the through hole, one end of all the second connecting rods 62 is fixedly connected to the lower support 11, and the other end is fixedly connected to the second connecting seat 61, and the camera 4 is detachable by threaded connection, which is convenient for installation and disassembly. The camera bracket 6 can have three second connecting rods 62, and the three second connecting rods 62 are tilted to form a three-point support structure in the shape of a triangular pyramid. The three-point support structure is more solid than the single-point support structure of a single first connecting rod 52. The second connecting rod 62 can be a steel bar. Specifically, the camera 4 can be a camera 4 with a base, which is threadedly connected to the camera bracket 6 by passing a bolt through the screw mounting hole on the base. The camera 4 is a wide-angle camera with a wider shooting angle. The wide-angle camera can be connected to the display screen in the three-axis cement mixing pile machine 1, or the camera 4 shooting picture can be connected to the mobile phone software for real-time monitoring through the mobile phone software.

[0069] Position of camera bracket 6:

[0070] The camera bracket 6 can be arranged between the two transmitter brackets 5 in the horizontal direction, which has a better field of view than other arrangements such as being arranged on one side of the two transmitter brackets 5, and can better capture the laser point. The camera bracket 6 can be arranged above the two transmitter brackets 5 in the vertical direction, or below the two transmitter brackets 5, and it will not cause obstruction when the camera 4 captures the laser point.

[0071] Embodiment 2

[0072] like Figure 6 to Figure 7 As shown, Figure 6 This is a working diagram of the method for accurately positioning the pile position of a three-axis cement mixing pile machine of the present invention. Figure 7 It is a position relationship diagram between the first marking point and the second marking point.

[0073] The method for accurately locating the pile position of a three-axis cement mixing pile machine according to the present invention comprises the following construction steps:

[0074] S1. All laser emitters 3 and cameras 4 are detachably and fixedly connected to the lower support 11;

[0075] S2, recording the difference, which at least includes the horizontal lateral difference and the horizontal longitudinal difference between one of the laser transmitters 3 and the axis of one of the drill shafts 12 on the three-axis cement mixing pile machine 1, and the horizontal lateral difference and the horizontal longitudinal difference between another laser transmitter 3 and the axis of another drill shaft 12 on the three-axis cement mixing pile machine 1;

[0076] S3, marking the first marking point 21, marking the first marking point 21 on the drilling position on the excavation surface 2 according to the drilling position of at least two drilling shafts 12 of the three-axis cement mixing pile machine 1 in the construction design;

[0077] S4, mark a second marking point 22, using one of the first markings as a base point plus the horizontal lateral difference and the horizontal longitudinal difference between one of the laser emitters 3 and the axis of one of the drill shafts 12 to mark a second marking point 22, using another first marking point 21 as a base point plus the horizontal lateral difference and the horizontal longitudinal difference between another laser emitter 3 and the axis of another drill shaft 12 to mark another second marking point 22;

[0078] S5. The positioning member 7 is set, and the positioning member 7 that protrudes and displays the second marking point 22 is inserted into the second marking point 22 of the excavation surface 2; the positioning member 7 can have an insertion portion 71 that can be inserted into the second marking point 22 of the excavation surface 2, and a protrusion 72 or a groove coaxially arranged with the insertion portion 71.

[0079] S6, mark alignment, observe the positional relationship between the laser points emitted by the two laser emitters 3 and the two second mark points 22 through the camera 4, and drive the three-axis cement mixing pile driver 1 to move so that the two laser points are projected on the two second mark points 22 respectively.

[0080] S7, dismantle all laser transmitters 3 and cameras 4 and carry out construction of the three-axis cement mixing pile machine 1.

[0081] In the above step S1, the laser emitter 3 and the camera 4 can be disassembled after the mark alignment to prevent dust or gravel from damaging the laser emitter 3 and the camera 4. The step S1 can also be performed at any time before performing the step S6.

[0082] In the above steps S2 to S4, two laser emitters 3 correspond to two second marking points 22, two laser points are used to align the two second marking points 22, the axes of the two drill shafts 12 are aligned with the first marking point 21, the two points determine a line, and the lateral position and longitudinal position of the three drill shafts 12 that can be arranged in a straight line can be determined; wherein, the number of the second marking points 22 corresponds to the number of laser emitters 3, and the number of second marking points 22 can also be more than two. The second marking points 22 exceeding two can be averaged with the position of the second marking point 22 as the front to reduce the error caused by insufficient actual verticality when the laser emitter 3 is vertically set. When the two laser points of the laser emitter 3 and the drilling position cannot be aligned due to insufficient laser verticality, an average can be taken among multiple laser points and multiple second marking points 22 to reduce the error.

[0083] In the above step S5, a positioning member 7 is provided. When the insertion portion 71 is inserted into the position of the second marking point 22 of the excavation surface 2, a protrusion 72 or a groove coaxially provided with the insertion portion 71 is provided on the excavation surface 2. The excavation surface 2 formed by sand is replaced by the mechanical structure of the protrusion 72 or the groove at the second marking point 22. The laser point is easier to display, and the laser point can be better aligned with the position of the second marking point 22, thereby solving the problem of unclear display of the laser on the excavation surface 2 formed by sand. The step S5 can also be performed at any time before performing the step S6. The positioning member 7 can be a positioning member 7 made of glass, plastic, metal or other materials.

[0084] In the above step S7, the construction work is carried out after the laser emitter 3 and the camera 4 are disassembled, which can prevent dust or gravel from damaging the laser emitter 3 and the camera 4. The construction work can be carried out from the excavation surface 2 downward.

[0085] like Figure 8 and Fig. 9 As shown, Figure 8 is a schematic diagram of the structure of a positioning member having a single-layer protrusion, Fig. 9 It is a schematic diagram of the structure of a positioning member with multiple layers of protrusions.

[0086] A positioning member 7 having a single-layer protrusion 72, wherein the single-layer protrusion 72 is coaxial with the insertion portion 71, and the protrusion 72 can replace the second marking point 22 to make the display of the laser point more obvious, wherein the insertion portion 71 can be an insertion portion 71 in a columnar, cylindrical or other shape, the protrusion 72 can be a protrusion 72 with a circular or square cross-section, and the base between the insertion portion 71 and the protrusion 72 can be a base in a cylindrical, rectangular or other shape.

[0087] In order to more conveniently insert the insertion part 71 into the excavation surface 2, that is, into the earth, the insertion part 71 can be set to a cone or other shape. In order to more conveniently control the three-axis cement mixing pile driver 1 to move to the laser point to align with the protrusion 72, the single-layer protrusion 72 can be replaced with a stepped multi-layer protrusion 72, wherein, among the protrusions 72 with circular cross-sections, the bottom-layer protrusion 72 closest to the base has the largest cross-sectional diameter, and the highest-layer protrusion 72 farthest from the base has the smallest cross-sectional diameter.

[0088] In addition, the protrusion 72 can also be replaced by a groove. Similarly, in order to more conveniently control the three-axis cement mixing pile machine 1 to move the laser point to align the single-layer groove of the protrusion 72, the single-layer groove can be replaced by a stepped multi-layer groove, and the cross-sectional shape of the groove can be circular, square or other shapes.

[0089] Compared with the prior art, the three-axis cement mixing pile machine construction pile position precise positioning device of the present invention is provided with at least two laser emitters 3 for emitting lasers toward the excavation surface 2, all of the laser emitters 3 are detachably arranged on the lower support 11 of the three-axis cement mixing pile machine 1, all of the laser emitters 3 are arranged at intervals in the horizontal direction, and more than two laser emitters 3 can project a corresponding number of laser points on the excavation surface 2, and all of the laser emitters 3 are arranged vertically, so that the laser emitter 3 can emit vertical lasers, and the distance from the laser point to the drilling position of the three drill shafts 12 is equal to the horizontal distance from the laser emitter 3 to the drilling position of the three drill shafts 12. A line is determined by two points, so that the horizontal and longitudinal positions of the three drill shafts 12 arranged in a straight line can be determined by two laser points. Specifically, a first marking point 21 can be marked at the drilling position of one of the drill shafts 12, and a second marking point 22 is marked with the horizontal lateral deviation and horizontal longitudinal deviation of one of the laser emitters 3 and one of the drilling positions, as well as the horizontal lateral deviation of another laser emitter 3 and another drilling position. and a second marking point 22 is marked with a horizontal longitudinal deviation, and the two laser points are aligned with the corresponding second marking points 22, so that two drill shafts 12 are aligned with the first marking point 21 to complete the positioning. Since the three drill shafts 12 are arranged in a straight line, the three drill shafts 12 are positioned; more than two laser emitters 3 can be used to reduce the error caused by insufficient actual verticality when the laser emitter 3 is vertically arranged. When the two laser points of the laser emitter 3 and the drilling position cannot be aligned due to insufficient laser verticality, the center can be taken from multiple laser points and multiple second marking points 22 to reduce the error; by setting a camera 4, the positional relationship between the laser point and the second marking point 22 is photographed. When in use, the image projected by the camera 4 is observed and the three-axis cement mixing pile machine 1 is driven to move horizontally or vertically to make the laser point correspond to the second marking point 22 to complete the positioning. This structure reduces the distance between the plumb bob and the excavation surface 2, directly projects the laser point on the excavation surface 2, accurately positions, eliminates visual deviation, and solves the problem of errors between the drilling position and the actual position where drilling is required, as well as time-consuming and labor-intensive problems. The three-axis cement mixing pile machine construction pile position precise positioning device of the present invention has the characteristics of precise positioning and convenient installation and disassembly.

[0090] And the precise positioning method for the construction pile position of the three-axis cement mixing pile machine of the present invention, by recording the horizontal lateral difference and horizontal longitudinal difference between the axis of the two laser emitters 3 and the corresponding drill shaft 12 on the three-axis cement mixing pile machine 1, and marking the first marking point 21, the first marking point 21 plus the horizontal lateral difference and horizontal longitudinal difference mark of the laser emitter 3 and the corresponding drill shaft 12 axis can form a second marking point 22, two laser emitters 3 correspond to two second marking points 22, then the axes of the two drill shafts 12 are aligned with the first marking point 21, the two points determine a line, so when the two laser points are aligned with the two second marking points 22, the lateral position and longitudinal position of the three drill shafts 12 arranged in a straight line can be determined; the positional relationship between the laser points emitted by the two laser emitters 3 and the two second marking points 22 is observed by the camera 4, and the three-axis cement mixing pile machine 1 is driven to move to the two When the laser points are projected on two second marking points 22 respectively, the positioning is completed; wherein, the number of the second marking points 22 corresponds to the number of laser emitters 3, and the number of the second marking points 22 can also be more than two, and the second marking points 22 exceeding two can be averaged with the position of the second marking point 22 as the front, so as to reduce the error caused by the insufficient actual verticality when the laser emitter 3 is vertically set, and when the two laser points of the laser emitter 3 and the drilling position cannot be aligned due to the insufficient laser verticality, the average can be taken from multiple laser points and multiple second marking points 22 to reduce the error; compared with the traditional plumb line positioning, this precise positioning method is not affected by crosswinds, can be operated at any time, is convenient for construction, and does not need to add staff on site for visual inspection, which saves time and effort, and eliminates the distance between the traditional plumb bob and the excavation surface 2, reduces positioning errors, and has accurate positioning. The precise positioning method for the construction of the pile position of the three-axis cement mixing pile machine of the present invention has the characteristics of convenient construction, time and labor saving, and accurate positioning.

[0091] The above-mentioned embodiments only express several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A three-axis cement mixing pile machine construction pile position precise positioning device, characterized in that: include: two laser transmitters for emitting laser light toward the excavation surface, and a camera for photographing the laser points projected on the excavation surface by all the laser transmitters; The two laser emitters are detachably mounted on the lower support of the three-axis cement mixing pile machine, the two laser emitters are spaced apart in the horizontal direction, and the two laser emitters are vertically arranged; The camera is arranged on the lower support of the three-axis cement mixing pile machine; The two laser emitters are arranged along a parallel line parallel to a horizontal line connecting the axes of the three drilling shafts of the three-axis cement mixing pile machine, and each of the laser emitters is arranged on a horizontal line perpendicular to the horizontal line and connected to the axes of the drilling shafts; One of the laser emitters is arranged on a horizontal line perpendicular to the horizontal line and connected to the axis of the first drilling shaft, and the other laser emitter is arranged on a horizontal line perpendicular to the horizontal line and connected to the axis of the third drilling shaft; The three-axis cement mixing pile machine construction pile position precise positioning device also includes: An emitter bracket, the emitter bracket is fixedly connected to the lower support, and the emitter bracket is detachably connected to the laser emitter; The emitter bracket has a first connection seat, the first connection seat has a threaded hole threadedly connected to the laser emitter; and at least one first connection rod, one end of all the first connection rods is fixedly connected to the lower support, and the other end is fixedly connected to the first connection seat; A camera bracket, the camera bracket is fixedly connected to the lower support, and the camera is detachably connected to the camera bracket; The camera bracket is arranged between the two transmitter brackets; The camera is a wide-angle camera; Mark a first marking point on the drilling position of one of the drill shafts, and mark a second marking point with the horizontal lateral deviation and horizontal longitudinal deviation between the corresponding laser emitter and one of the drilling positions, and mark another second marking point with the horizontal lateral deviation and horizontal longitudinal deviation between another laser emitter and another drilling position. Align the two laser points with the corresponding second marking points, and the two drill shafts are aligned with the first marking points to complete the positioning, so that the position of the remaining drill shaft can be determined through the first two drill shafts.

2. A method for accurately positioning the pile position of a three-axis cement mixing pile machine, characterized in that: The use of the three-axis cement mixing pile machine construction pile position precise positioning device as claimed in claim 1 includes the following construction steps: Recording differences, which at least include a horizontal lateral difference and a horizontal longitudinal difference between one of the laser transmitters and the axis of one of the drill shafts on the three-axis cement mixing pile machine, and a horizontal lateral difference and a horizontal longitudinal difference between another laser transmitter and the axis of another drill shaft on the three-axis cement mixing pile machine; Mark the first marking point, and mark the drilling position on the excavation surface according to the drilling positions of at least two drilling shafts of the three-axis cement mixing pile machine in the construction design; Mark a second mark point, using one of the first marks as a base point plus the horizontal transverse difference and the horizontal longitudinal difference between one of the laser transmitters and the axis of one of the drill shafts to mark a second mark point, and using another first mark point as a base point plus the horizontal transverse difference and the horizontal longitudinal difference between another laser transmitter and the axis of another drill shaft to mark another second mark point; Mark alignment, observe the positional relationship between the laser points emitted by the two laser transmitters and the two second marking points through the camera, and drive the three-axis cement mixing pile machine to move so that the two laser points are projected on the two second marking points respectively.

3. The method for accurately locating pile positions during construction of a three-axis cement mixing pile machine according to claim 2, characterized in that: The following construction steps are also included between marking the second marking point and marking alignment: Positioning piece setting, inserting a positioning piece protruding and showing the second marking point on the second marking point of the excavation surface; The positioning member comprises an inserting portion which can be inserted into the second marking point of the excavation surface, and a protrusion or a groove which is coaxially arranged with the inserting portion.

4. The method for accurately locating pile positions during construction of a three-axis cement mixing pile machine according to claim 3, characterized in that: After the mark alignment, the method further comprises: Remove all laser transmitters and cameras and carry out three-axis cement mixing pile machine construction.

5. The method for accurately locating pile positions during construction of a three-axis cement mixing pile machine according to claim 4, characterized in that: Before the mark alignment, the method further comprises: All laser transmitters and cameras are detachably and fixedly connected to the lower support.

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