Supporting device for geotechnical engineering investigation

Abstract

The utility model relates to a geotechnical engineering investigation supporting device, and relates to the technical field of geotechnical engineering investigation, the geotechnical engineering investigation supporting device comprises a bottom plate and a lifting module, a fixing plate is installed on the top of the lifting module, a first moving module is arranged on the fixing plate, and a second moving module is arranged on the first moving module; a mounting plate for placing a surveying and mapping instrument is mounted on the second moving module; the first moving module comprises a first base plate, the first base plate is installed on the fixing plate, the second moving module comprises a second base plate, the second base plate is arranged on the first base plate in a sliding mode in the length direction of the fixing plate, and an installation plate is installed on the second base plate in a sliding mode in the width direction of the fixing plate. The surveying and mapping instrument has the advantages that when a worker needs to adjust the surveying and mapping instrument according to actual surveying and mapping requirements, only the position of the mounting plate on the second substrate and the position of the second substrate on the first substrate need to be adjusted, the whole device does not need to be moved and fixed again, surveying and mapping work can be rapidly and effectively conducted, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of geotechnical engineering investigation, in particular to a supporting device for geotechnical engineering investigation. BACKGROUND

[0002] Geotechnical engineering investigation refers to investigation of geological, environmental characteristics and geotechnological conditions of rocks and soils according to basic requirements of construction projects. The surveying and mapping equipment is an important tool for geotechnical engineering investigation. The surveying and mapping equipment is various instruments for orientation, distance measurement, angle measurement, height measurement, mapping and photogrammetry required for measurement work in the planning and design, construction and management stages of engineering construction. According to the types, the surveying and mapping equipment can be classified into theodolites, levels, total stations and the like. The surveying and mapping equipment is generally composed of a surveying and mapping instrument and a support frame. During surveying and mapping, the surveying and mapping instrument is placed on the support frame, and the position of the support frame is adjusted to ensure that the surveying and mapping instrument is placed horizontally and stably, so that rapid and effective surveying and mapping can be performed.

[0003] Since the surveying and mapping instrument is composed of a platform and a surveying instrument, and the surveying instrument is located at the center of the platform, the surveying instrument can only perform circumferential motion by self-rotation. When the worker needs to adjust the surveying and mapping instrument in the left, right, front and rear directions by a small distance according to actual surveying and mapping requirements, the entire surveying and mapping equipment needs to be moved, and the support frame also needs to be re-fixed, which brings inconvenience to the surveying and mapping work and reduces the work efficiency.

[0004] According to the related technology in the above, the inventors believe that when the worker needs to adjust the surveying and mapping instrument in the left, right, front and rear directions by a small distance, the entire surveying and mapping equipment needs to be moved, and the support frame also needs to be re-adjusted and fixed, which brings inconvenience to the surveying and mapping work and reduces the work efficiency. CONTENT OF THE INVENTION

[0005] In order to improve the problem that when the worker needs to adjust the surveying and mapping instrument in the left, right, front and rear directions by a small distance, the entire surveying and mapping equipment needs to be moved, and the support frame also needs to be re-fixed, which brings inconvenience to the surveying and mapping work and reduces the work efficiency, the application provides a supporting device for geotechnical engineering investigation.

[0006] The application provides a supporting device for geotechnical engineering investigation, which adopts the following technical scheme:

[0007] The supporting device for geotechnical engineering investigation comprises a bottom plate and a lifting module arranged on the bottom plate, a fixing plate is installed at the top of the lifting module, a first moving module is arranged on the fixing plate, a second moving module is arranged on the first moving module, and an installation plate for placing a surveying and mapping instrument is installed on the second moving module.

[0008] The first moving module comprises a first base plate mounted on the fixed plate, the second moving module comprises a second base plate, the second base plate is slidably arranged on the first base plate along the length direction of the fixed plate, and the mounting plate is slidably mounted on the second base plate along the width direction of the fixed plate.

[0009] By adopting the technical scheme, the bottom plate provides a mounting base and bottom support for the support device, the bottom plate provides a mounting base for the lifting module, the lifting module provides a mounting base for the fixed plate, the lifting module can be used to adjust the height of the device, the fixed plate provides a mounting and moving base for the first moving module, the second moving module is slidably arranged on the first moving module, specifically, the fixed plate provides a mounting base for the first base plate, the second base plate is slidably arranged on the first base plate, and the movement direction of the second base plate is along the length direction of the fixed plate, so that movement in two directions can be realized, the mounting plate provides a mounting base for the surveying instrument, the mounting plate is slidably arranged on the second base plate, and the movement direction of the mounting plate is along the width direction of the fixed plate, so that movement in another two directions can be realized, through cooperation and connection of the first base plate, the second base plate and the mounting plate, the surveying instrument can be adjusted in the front, rear, left and right directions at a close distance, that is, when a worker needs to adjust the surveying instrument according to actual surveying needs, the position of the mounting plate on the second base plate and the position of the second base plate on the first base plate need only to be adjusted, and the entire device need not be moved and fixed again, so that surveying and mapping work can be quickly and effectively performed, and the work efficiency of surveying is improved.

[0010] Optionally, the first base plate is provided with a plurality of first sliding rails, and the second base plate is provided with a plurality of first sliding blocks at the bottom.

[0011] By adopting the technical scheme, the first sliding block can slide on the first sliding rail to realize smooth movement of the second base plate on the first base plate, and the first sliding rail provides stable and accurate guidance for movement of the first sliding block.

[0012] Optionally, the first base plate is provided with a first power source at one end and a first baffle at the other end, the output end of the first power source is connected with a first lead screw, the first lead screw is sleeved with a first moving block, the first lead screw is connected with the first moving block through thread transmission, and the second base plate is mounted on the first moving block.

[0013] By adopting the technical scheme, the first power source is arranged to provide power basis for the rotation movement of the first screw rod, the first moving block is in threaded transmission with the first screw rod, the rotation movement of the first power source is converted into the movement of the first moving block in the direction of the first screw rod through the first screw rod, the first moving block is on the second base plate, the movement of the first moving block can be converted into the movement of the second base plate, the position of the surveying instrument on the second base plate is further changed, and the first baffle is arranged to prevent the first moving block from moving excessively on the first screw rod and being separated from the first screw rod, thereby ensuring the safety and stability of the device.

[0014] Optionally, the second base plate is provided with a second sliding rail, and the mounting plate is provided at the bottom with a second sliding block which slides on the second sliding rail.

[0015] By adopting the technical scheme, the second sliding block slides on the second sliding rail to realize smooth and fluent movement of the mounting plate on the second base plate, and the second sliding rail is arranged to provide stable and accurate guidance for the movement of the second sliding block.

[0016] Optionally, the second base plate is provided at one end with a second power source and at the other end with a second baffle, the output end of the second power source is connected with a second screw rod, the second screw rod is sleeved with a second moving block, the second screw rod is in threaded transmission with the second moving block, and the second moving block is connected with the mounting plate.

[0017] By adopting the technical scheme, the second power source is arranged to provide power basis for the rotation movement of the second screw rod, the second moving block is in threaded transmission with the second screw rod, the rotation movement of the second power source is converted into the movement of the second moving block in the direction of the second screw rod through the second screw rod, the second moving block is connected with the mounting plate, the movement of the second moving block can be converted into the movement of the mounting plate, so as to change the position of the surveying instrument, and the second baffle is arranged to prevent the second moving block from moving excessively on the second screw rod and being separated from the second screw rod, thereby ensuring the safety and stability of the device.

[0018] Optionally, the lifting module comprises a plurality of hydraulic cylinders, the output end of the hydraulic cylinder is connected with the fixing plate, and the other end is mounted on the bottom plate.

[0019] By adopting the technical scheme, the hydraulic cylinder provides power for the movement of the fixing plate, the bottom plate provides support basis for the installation of the hydraulic cylinder, the hydraulic cylinder drives the fixing plate to move through the output end, and then the height of the surveying instrument on the mounting plate is adjusted.

[0020] Optionally, the mounting plate is provided with a protection assembly, and the surveying instrument is located in the protection assembly.

[0021] By adopting the technical scheme, the protection assembly is arranged on the installation plate to provide a protection structure for the surveying instrument, so that the surveying instrument is prevented from being damaged by the outside world, the service life of the surveying instrument is prolonged, and the surveying instrument can work normally under the condition of rain or snow, so that the surveying instrument is prevented from being damaged by direct contact with rainwater or snowwater, and the service life of the surveying instrument is prolonged.

[0022] Optionally, the protection assembly comprises a plurality of support columns and a protection plate, one end of the support column is installed on the installation plate, and the other end of the support column is connected with the protection plate.

[0023] By adopting the technical scheme, the plurality of support columns provide a support basis for the protection plate, the protection plate can be used to protect the surveying instrument located below the protection plate, so that the surveying instrument is prevented from being damaged by external impact and collision, and under the condition of rain or snow, the surveying instrument is prevented from being damaged by direct contact with rainwater or snowwater, so that the normal use of the surveying instrument is ensured, and the safety and measurement accuracy of the surveying instrument are ensured.

[0024] Optionally, a plurality of fixing assemblies are arranged on the bottom plate, the fixing assembly comprises a fixing block and a connecting piece, the fixing block is installed on one side of the bottom plate, a threaded hole is arranged on the fixing block, and the connecting piece is arranged in the threaded hole.

[0025] By adopting the technical scheme, the plurality of fixing assemblies provide a basis for the stability of the bottom plate and the entire device, so that the device is prevented from moving, and the stable work of the surveying instrument is ensured; the fixing block provides an installation basis for the connecting piece, the connecting piece is fixedly connected with the ground where the device is installed by penetrating the threaded hole of the fixing block, so that the stability of the device is ensured, and the device is not easy to move.

[0026] In summary, the present application has at least one of the following beneficial technical effects:

[0027] 1. The second base plate moves along the length direction of the fixed plate on the first base plate, the installation plate moves along the width direction of the fixed plate on the second base plate, and the surveying instrument is located on the installation plate; through the cooperation of the first base plate, the second base plate and the installation plate, the close-range adjustment of the surveying instrument in the front, rear, left and right directions can be realized; that is, when the staff needs to adjust the surveying instrument according to the actual surveying needs, only the position of the installation plate on which the surveying instrument is installed on the second base plate and the position of the second base plate on the first base plate need to be adjusted, and the entire device does not need to be moved and fixed again, so that the surveying and mapping work can be quickly and effectively carried out, and the work efficiency of the surveying is improved.

[0028] 2. The hydraulic cylinder of the lifting module drives the fixed plate to move through the output end thereof, so as to adjust the height of the surveying instrument on the installation plate, and the versatility is high.

[0029] 3. The protection assembly can prevent the surveying instrument from being damaged by the external environment, prolong the service life of the surveying instrument, and avoid rain or snow from directly contacting the surveying instrument in bad weather such as rain or snow, so as to ensure the normal use of the surveying instrument, thereby ensuring the safety and measurement accuracy of the surveying instrument. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is the overall structure schematic diagram of the supporting device for geotechnical engineering investigation of the embodiment of the present application;

[0031] Figure 2 is the structure schematic diagram of the first moving module and the second moving module in the supporting device for geotechnical engineering investigation of the embodiment of the present application;

[0032] Figure 3 is the partial structure schematic diagram of the supporting device for geotechnical engineering investigation of the embodiment of the present application.

[0033] BRIEF DESCRIPTION OF DRAWINGS

[0034] 1, bottom plate; 11, fixed assembly; 111, fixed block; 112, connecting piece; 2, lifting module; 21, hydraulic cylinder; 3, fixed plate; 4, first moving module; 41, first base plate; 42, first sliding rail; 43, first power source; 44, first baffle; 45, first lead screw; 46, first moving block; 5, second moving module; 51, second base plate; 52, first sliding block; 53, second sliding rail; 54, second power source; 55, second baffle; 56, second lead screw; 57, second moving block; 6, mounting plate; 61, second sliding block; 62, protection assembly; 621, support column; 622, protection plate. DETAILED DESCRIPTION

[0035] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0036] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0037] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0038] The following will be described in detail in combination with the accompanying drawings Figures 1-3 The application is further described in detail.

[0039] The embodiment of the application discloses a supporting device for geotechnical engineering investigation. Figure 1 The supporting device for geotechnical engineering investigation comprises a bottom plate 1 and a lifting module 2 arranged on the bottom plate 1, a fixed plate 3 is installed at the top of the lifting module 2, a first moving module 4 is arranged on the fixed plate 3, a second moving module 5 is arranged on the first moving module 4, and an installation plate 6 for placing surveying instruments is installed on the second moving module 5.

[0040] The first moving module 4 comprises a first base plate 41, the first base plate 41 is installed on the fixed plate 3, the second moving module 5 comprises a second base plate 51, the second base plate 51 is slidably arranged on the first base plate 41 along the length direction of the fixed plate 3, and the installation plate 6 is slidably installed on the second base plate 51 along the width direction of the fixed plate 3.

[0041] In the device, the bottom plate 1 serves as a bottom support, the lifting module 2 on the bottom plate 1 is used for adjusting the height of the device, the height requirement of the surveying instruments can be met, the fixed plate 3 above the lifting module 2 provides a mounting and moving basis for the first moving module 4, and the second moving module 5 is slidably arranged on the first moving module 4.

[0042] Specifically, the fixed plate 3 provides a mounting base for the first base plate 41, the second base plate 51 slides on the first base plate 41, and the movement direction of the second base plate 51 is along the length direction of the fixed plate 3, which can realize the movement of the surveying instrument in two directions, the mounting plate 6 provides a mounting base for the surveying instrument, the mounting plate 6 slides on the second base plate 51, and the movement direction of the mounting plate 6 is along the width direction of the fixed plate 3, which can realize the movement in another two directions, that is, through the cooperation of the first base plate 41, the second base plate 51 and the mounting plate 6, the close-range adjustment of the surveying instrument in the front, rear, left and right directions can be realized.

[0043] When using the device, when the staff needs to adjust the surveying instrument according to the actual surveying needs, only the position of the mounting plate 6 mounting the surveying instrument on the second base plate 51 and the position of the second base plate 51 on the first base plate 41 need to be adjusted, without the need to move and fix the entire device again, the surveying work can be quickly and effectively carried out, and the work efficiency of the geotechnical engineering investigation is improved.

[0044] Reference Figure 1 and Figure 2 A plurality of first sliding rails 42 are arranged on the first base plate 41, and a plurality of first sliding blocks 52 are mounted at the bottom of the second base plate 51, the first sliding blocks 52 slide on the first sliding rails 42, the sliding of the first sliding blocks 52 on the first sliding rails 42 can realize the smooth movement of the second base plate 51 on the first base plate 41, the first sliding rails 42 provide stable and accurate guidance for the movement of the first sliding blocks 52, and multiple sliding rails can ensure that the second base plate 51 moves more stably.

[0045] A first power source 43 is arranged at one end of the first base plate 41, and a first baffle plate 44 is arranged at the other end, the output end of the first power source 43 is connected with a first lead screw 45, a first moving block 46 is sleeved on the first lead screw 45, the first lead screw 45 is connected with the first moving block 46 through threaded transmission, and the second base plate 51 is mounted on the first moving block 46. The first power source 43 provides power for the rotary movement of the first lead screw 45, the first moving block 46 is in threaded transmission with the first lead screw 45, the rotary movement of the first power source 43 is converted into the movement of the first moving block 46 in the direction of the first lead screw 45 through the first lead screw 45, so as to realize the adjustment of the surveying instrument in two directions; the first moving block 46 is on the second base plate 51, the movement of the first moving block 46 can be converted into the movement of the second base plate 51, further changing the position of the surveying instrument on the second base plate 51, and realizing the adjustment of the surveying instrument in another two directions. The first baffle plate 44 on the first base plate 41 can prevent the first moving block 46 from moving excessively on the first lead screw 45 and separating from the first lead screw 45, and ensure the safety and stability of the device.

[0046] The second base plate 51 is provided with a plurality of second sliding rails 53, and the mounting plate 6 is provided at the bottom with a second sliding block 61 which slides on the second sliding rails 53, so that the mounting plate 6 can move smoothly on the second base plate 51, and the second sliding rails 53 provide stable and accurate guidance for the movement of the second sliding block 61, and a plurality of second sliding rails 53 can ensure that the mounting plate 6 moves more stably, thereby making the surveying instrument more stable during adjustment.

[0047] With reference to Figure 3 The second base plate 51 is provided with a second power source 54 at one end and a second baffle plate 55 at the other end, and the output end of the second power source 54 is connected with a second lead screw 56, the second lead screw 56 is sleeved with a second moving block 57, the second lead screw 56 is connected with the second moving block 57 through thread transmission, and the second moving block 57 is connected with the mounting plate 6. The second power source 54 provides power basis for the rotary motion of the second lead screw 56, the second moving block 57 is threadedly connected with the second lead screw 56, the rotary motion of the second power source 54 is converted into the movement of the second moving block 57 in the direction of the second lead screw 56 through the second lead screw 56, the second moving block 57 is connected with the mounting plate 6, the movement of the second moving block 57 can be converted into the movement of the mounting plate 6, so as to change the position of the surveying instrument. The second baffle plate 55 can prevent the second moving block 57 from moving excessively on the second lead screw 56 and disengaging from the second lead screw 56, so as to ensure the safety and stability of the device.

[0048] In the present application, the first power source 43 and the second power source 54 are electric motors, in addition, the first power source 43 and the second power source 54 can also be hydraulic motors or pneumatic motors

[0049] The lifting module 2 comprises a plurality of hydraulic cylinders 21, the output end of the hydraulic cylinder 21 is connected with the fixed plate 3, and the other end is mounted on the bottom plate 1. The hydraulic cylinder 21 provides power for the movement of the fixed plate 3, the hydraulic cylinder 21 runs stably and is controlled flexibly, the hydraulic cylinder 21 drives the fixed plate 3 to move through its output end, and then adjusts the height of the surveying instrument on the mounting plate 6 through the first moving module 4 and the second moving module 5, which is convenient and fast and has high universality.

[0050] A protection assembly 62 is arranged on the mounting plate 6, and the surveying instrument is located in the protection assembly 62. The protection assembly 62 provides a protection structure for the surveying instrument on the mounting plate 6. Specifically, the protection assembly 62 includes a plurality of support posts 621 and a protection plate 622. The support posts 621 are arranged on the mounting plate 6 at one end and connected to the protection plate 622 at the other end. The plurality of support posts 621 provide a support base for the protection plate 622. The protection plate 622 can be used to protect the surveying instrument located below the protection plate 622 from damage caused by external impact and collision. At the same time, in the case of rain or snow, the protection plate 622 can prevent rainwater or snowwater from directly contacting the surveying instrument, thereby ensuring the normal use of the surveying instrument and the safety and measurement accuracy of the surveying instrument.

[0051] The support posts 621 can also be replaced by telescopic rods to facilitate flexible control of the height of the protection plate 622, better protection of the surveying instrument, and prevention of damage to the surveying instrument body without hindering the operation of the surveying instrument.

[0052] A plurality of fixing assemblies 11 are arranged on the bottom plate 1. The fixing assembly 11 includes a fixing block 111 and a connecting piece 112. The fixing block 111 is arranged on one side of the bottom plate 1. The fixing block 111 is provided with a threaded hole, and the connecting piece 112 is arranged in the threaded hole. The plurality of fixing assemblies 11 provide a basis for the stability of the bottom plate 1 and the entire device, preventing the device from deviating and ensuring the stable operation of the surveying instrument. The fixing block 111 provides a mounting base for the connecting piece 112. The connecting piece 112 is fixedly connected to the ground where the device is installed by penetrating the threaded hole of the fixing block 111, thereby ensuring the stability of the device and preventing it from moving.

[0053] The support device for geotechnical engineering investigation according to the embodiment of the application: the device is placed at a specified position, the connecting piece 112 in the threaded hole is rotated, and the connecting piece 112 is screwed into the soil, thereby limiting and fixing different positions of the device, ensuring that the device is stably installed at the specified position. The fixed plate 3 is lifted by the hydraulic cylinder of the lifting module 2, the device and the surveying instrument are adjusted to the target position, the second base plate 51 can move on the first base plate 41 along the length direction of the fixed plate 3, the mounting plate 6 can move on the second base plate 51 along the width direction of the fixed plate 3, the surveying instrument is located on the mounting plate 6, and the first base plate 41, the second base plate 51 and the mounting plate 6 are arranged in cooperation, so that the surveying instrument can be adjusted in the front, rear, left and right directions at a close distance. When the staff needs to adjust the surveying instrument according to the actual surveying needs, only the position of the mounting plate 6 on which the surveying instrument is mounted on the second base plate 51 and the position of the second base plate 51 on the first base plate 41 need to be adjusted, without the need to move and fix the entire device, the surveying and mapping work can be quickly and effectively performed, and the work efficiency of the investigation is improved.

[0054] The protection assembly 62 on the mounting plate 6 can prevent the surveying instrument from being damaged by the outside world, prolong the service life of the surveying instrument, and avoid the rain or snow from directly contacting the surveying instrument in bad weather such as rain or snow, so as to ensure the normal use of the surveying instrument, and ensure the safety and measurement accuracy of the surveying instrument.

[0055] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A support device for geotechnical investigations, characterized in that: The utility model provides a surveying and mapping instrument lifting device, including bottom plate (1) and set up on bottom plate (1) lifting module (2), the top of lifting module (2) is equipped with fixed plate (3), be provided with first mobile module (4) on fixed plate (3), be provided with second mobile module (5) on first mobile module (4), be installed on second mobile module (5) and be used for placing the mounting plate (6) of surveying and mapping instrument, The first mobile module (4) includes a first base plate (41) mounted on the fixed plate (3), and the second mobile module (5) includes a second base plate (51) slidably arranged on the first base plate (41) along the length direction of the fixed plate (3), and the mounting plate (6) is slidably mounted on the second base plate (51) along the width direction of the fixed plate (3).

2. The support device for geotechnical investigations according to claim 1, characterized in that: The first base plate (41) is provided with a plurality of first sliding rails (42), and the second base plate (51) is provided with a plurality of first sliding blocks (52) mounted at the bottom thereof and slidably arranged on the first sliding rails (42).

3. The support device for geotechnical investigations according to claim 2, characterized in that: One end of the first base plate (41) is provided with a first power source (43), and the other end is provided with a first baffle (44). The output end of the first power source (43) is connected with a first screw rod (45), and the first screw rod (45) is sleeved with a first moving block (46). The first screw rod (45) is connected with the first moving block (46) through thread transmission, and the second base plate (51) is mounted on the first moving block (46).

4. The support device for geotechnical investigations according to claim 1, characterized in that: The second base plate (51) is provided with a second sliding rail (53), and the mounting plate (6) is provided with a second sliding block (61) mounted at the bottom thereof and slidably arranged on the second sliding rail (53).

5. The support device for geotechnical investigations according to claim 4, characterized in that: One end of the second base plate (51) is provided with a second power source (54), and the other end is provided with a second baffle (55). The output end of the second power source (54) is connected with a second screw rod (56), and the second screw rod (56) is sleeved with a second moving block (57). The second screw rod (56) is connected with the second moving block (57) through thread transmission, and the second moving block (57) is connected with the mounting plate (6).

6. The support device for geotechnical investigations according to claim 1, characterized in that: The lifting module (2) includes a plurality of hydraulic cylinders (21), and the output end of the hydraulic cylinder (21) is connected with the fixed plate (3), and the other end is mounted on the bottom plate (1).

7. The support device for geotechnical investigations according to claim 1, characterized in that: The mounting plate (6) is provided with a protection assembly (62), and the surveying and mapping instrument is located in the protection assembly (62).

8. The support device for geotechnical investigations according to claim 7, characterized in that: The protection assembly (62) includes a plurality of support columns (621) and a protection plate (622), one end of the support column (621) is mounted on the mounting plate (6), and the other end is connected with the protection plate (622).

9. The support device for geotechnical investigations according to claim 1, characterized in that: The bottom plate (1) is provided with a plurality of fixing assemblies (11), and the fixing assembly (11) includes a fixing block (111) and a connecting piece (112). The fixing block (111) is mounted on one side of the bottom plate (1), and the fixing block (111) is provided with a threaded hole. The connecting piece (112) is arranged in the threaded hole.

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