Sampling equipment for bridge construction investigation

Abstract

The utility model discloses sampling equipment for bridge construction reconnaissance, which comprises a trolley and a supporting seat, the top end of the trolley is provided with the supporting seat in a sliding manner, the top end of the supporting seat is provided with an outer frame cover, the side wall of the supporting seat is provided with a right linkage frame, and one side, close to the supporting seat, of the right linkage frame is provided with a right supporting shaft; the right linkage frame is movably connected with the supporting base through a right supporting shaft, an adjusting frame is arranged on the side, away from the right supporting shaft, of the right linkage frame, and a connecting shaft is installed at the end, close to the right linkage frame, of the adjusting frame. According to the sampling device for bridge construction investigation, convenient soil drilling sampling and multi-angle adjusting inclined lateral soil sampling of the sampling device for bridge construction investigation are achieved, the range of soil lateral sampling is enlarged, manual participation is reduced, and the collection convenience of soil sampled by the sampling device and the flexibility of inclined lateral adjusting are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling equipment, in particular to sampling equipment for bridge construction investigation. Background Art

[0002] As a controlling project of highway engineering, the quality of bridges directly affects the quality of the highway engineering and is related to the safety of people's lives and property. Every bridge construction worker should devote himself to bridge construction with a high sense of responsibility. With the rapid development of my country's infrastructure construction, engineering construction has put forward higher requirements on the quality of bridge engineering. Because the quality of engineering is the foundation of the survival of enterprises, construction companies should strengthen their own quality control management, analyze bridge construction problems to control bridge construction quality, and ensure the usability and durability of bridges. In the construction of large-span bridges, the cantilever bridge construction is used to take advantage of its advantages such as simple operation of construction machinery and no need for a large number of brackets.

[0003] For example, a sampling device for bridge construction investigation disclosed in the authorization announcement number CN218782028U includes a device body, the device body includes a sampling cylinder with an upper end opening, a cylinder cover is vertically slidably provided on the upper end of the sampling cylinder, the sampling cylinder and the cylinder cover are conical structures, a fixing rod is fixed in the sampling cylinder, a long rod is connected to the upper end of the fixing rod, and the long rod is slidably connected to the inner wall of the cylinder cover;

[0004] Although it is realized that the sampling tube, the tube cover, etc. are directly inserted into the inner layer of concrete by holding the upper end of the long rod, and then the movable column is moved upward to separate the tube cover from the sampling tube, the sampling tube is opened, and the inner layer of concrete flows into the sampling tube for storage and sampling, and the movable column is pushed down to close the tube cover to close the sampling tube, during the process of concrete being drawn out of the sampling tube, the outer layer of concrete cannot enter the sampling tube closed by the tube cover, and the inner layer of concrete and the outer layer of concrete are separated for sampling, so that the inner layer of concrete is taken out separately for sampling;

[0005] However, the problem that the existing sampling equipment is not conducive to convenient soil drilling and sampling during use, and the multi-angle adjustment of inclined lateral soil sampling and release storage affects the range of soil lateral sampling, increases the manual workload, and greatly affects the convenience of soil collection and the flexibility of inclined lateral adjustment of the sampling equipment. Utility Model Content

[0006] The purpose of the utility model is to provide a sampling device for bridge construction investigation, so as to solve the problems that the sampling device proposed in the above-mentioned background technology is not convenient for drilling soil sampling, and the multi-angle adjustment of inclined lateral soil sampling affects the range of lateral soil sampling, increases the manual workload, and greatly affects the convenience of soil collection of the sampling device and the flexibility of the inclined lateral adjustment.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sampling device for bridge construction survey, comprising a trolley and a support seat, the top of the trolley is slidably mounted with the support seat, the top of the support seat is mounted with an outer frame cover, a right linkage frame is mounted on the side wall of the support seat, a right support shaft is arranged on the side of the right linkage frame close to the support seat, and the right linkage frame is movably connected to the support seat through the right support shaft, an adjustment frame is arranged on the side of the right linkage frame away from the right support shaft, a connecting shaft is arranged on one end of the adjusting frame close to the right linkage frame, and the adjusting frame is movably connected to the right linkage frame through the connecting shaft, A connecting block is provided at one end of the adjusting frame away from the right linkage frame, a left supporting shaft is installed at one end of the adjusting frame close to the connecting block, and the adjusting frame is movably connected to the connecting block through the left supporting shaft, a sampling frame is installed on the outer wall of the connecting block on the side away from the adjusting frame, a lifting frame is slidably installed on the outer wall of the sampling frame, a material storage box is installed on the outer wall of the sampling frame below the lifting frame, storage buckets are symmetrically installed on the top of the trolley on one side of the material storage box, a rotating motor is installed at the center position of the bottom end of the lifting frame, a drilling spiral blade is installed at the output end of the rotating motor, and the drilling spiral blade extends to the interior of the material storage box.

[0008] Preferably, a servo motor is symmetrically installed on the outer wall of the sampling frame on one side of the lifting frame, and an upper threaded rod is installed on the output end of the servo motor. An upper threaded sleeve is threadedly connected to the surface of the upper threaded rod on one side of the lifting frame, and the upper threaded sleeve is connected to the lifting frame.

[0009] Preferably, a left linkage frame is installed on the outer wall of the support seat on one side of the right support shaft, a movable block is arranged inside the left linkage frame, a first rotating shaft is installed at one end of the movable block close to the left linkage frame, and the movable block is movably connected to the left linkage frame through the first rotating shaft.

[0010] Preferably, a first electric push rod is provided on the outer wall of the movable block, a second rotating shaft is installed at the bottom end of the first electric push rod, and the first electric push rod is movably connected to the movable block through the second rotating shaft, a third rotating shaft is installed at the top end of the first electric push rod, and the first electric push rod is movably connected to the adjusting frame through the third rotating shaft.

[0011] Preferably, a second electric push rod is installed at the top of the adjustment frame on one side of the connecting shaft, a linkage shaft is installed at the bottom end of the second electric push rod, and the second electric push rod is movably connected to the adjustment frame through the linkage shaft, a fourth rotating shaft is installed at the top of the second electric push rod, and the second electric push rod is movably connected to the connecting block through the fourth rotating shaft.

[0012] Preferably, a third electric push rod is installed on the outer wall of the right linkage frame below the adjusting frame, a fifth rotating shaft is installed at the bottom end of the third electric push rod, and the third electric push rod is movably connected to the right linkage frame via the fifth rotating shaft, a sixth rotating shaft is installed at the top end of the third electric push rod, and the third electric push rod is movably connected to the adjusting frame via the sixth rotating shaft.

[0013] Preferably, a walking frame is installed on the side of the support seat side wall away from the right linkage frame, a lower threaded rod is installed inside the trolley below the walking frame, a lower threaded sleeve is threadedly connected to the surface of the lower threaded rod, and the lower threaded sleeve is connected to the walking frame, a stepper motor is installed inside the trolley on one side of the lower threaded rod, and the output end of the stepper motor is connected to the lower threaded rod.

[0014] Preferably, a remote controller is installed on the outer wall of the trolley, and the output end of the remote controller is electrically connected to the input ends of the rotary motor, the second electric push rod, the first electric push rod, the third electric push rod, the servo motor, and the stepper motor.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the sampling device not only realizes the convenient soil drilling sampling of the sampling device for bridge construction survey, and the multi-angle adjustment of the inclined lateral soil sampling, increases the range of soil lateral sampling, reduces manual participation, but also improves the soil collection convenience of the sampling device and the flexibility of the inclined lateral adjustment;

[0016] (1) The upper threaded rod is driven to rotate by a servo motor, the upper threaded sleeve drives the lifting frame to move downward, the rotary motor drives the drilling spiral blade to rotate, the lifting frame drives the rotary motor and the drilling spiral blade to move downward, the drilling spiral blade enters the soil inside the bridge construction, and the drilling spiral blade drills the soil into the storage box, which is stored in the storage box, thereby realizing convenient soil drilling sampling for the sampling equipment used for bridge construction survey, and improving the convenience of the sampling equipment when sampling;

[0017] (2) The first electric push rod drives the third rotating shaft to rotate with the first rotating shaft as the axis under the support of the second rotating shaft and the movable block. The third rotating shaft drives the adjustment frame to rotate with the right supporting shaft as the axis. When the adjustment frame rotates, it drives the right linkage frame to rotate synchronously, so as to facilitate the adjustment frame, the connecting block, the sampling frame, and the drilling spiral blade to tilt left and right, so as to increase the range of soil sampling. The third electric push rod drives the adjustment frame to rotate through the sixth rotating shaft, and the adjustment frame drives the connecting block, the sampling frame, and the drilling spiral blade to rotate up and down. When the adjustment frame rotates, the adjustment frame drives the first electric push rod to rotate through the third rotating shaft, the movable block movably supports the second rotating shaft, and the second rotating shaft movably supports the first electric push rod. The second electric push rod drives the connecting block to rotate through the fourth rotating shaft, and the connecting block rotates with the left supporting shaft as the axis. The connecting block drives the sampling frame and the drilling spiral blade to rotate up and down again, so as to facilitate the inclined lateral soil sampling, thereby realizing the convenient multi-angle adjustment of the sampling equipment for inclined lateral soil sampling, increasing the range of soil lateral sampling, and improving the flexibility of the inclined lateral adjustment of the sampling equipment;

[0018] (3) The lower threaded rod is driven to rotate by a stepper motor, and the lower threaded sleeve is driven to move laterally under the cooperation of the threads of the lower threaded rod and the lower threaded sleeve. The lower threaded sleeve drives the support seat and the outer frame cover to move laterally through the walking frame, and the support seat drives the adjustment frame, the sampling frame, and the storage box to move synchronously. When the storage box moves to the top of the storage barrel, the remote controller is operated to reversely control the rotating motor to drive the drilling spiral blade to rotate in the opposite direction, so as to facilitate the release of the soil inside the storage box into the storage barrel for storage by the storage barrel, thereby realizing the convenient release and storage of the sampled soil by the sampling equipment, reducing manual participation, and improving the convenience of collecting the sampled soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the three-dimensional structure of the outer frame cover of the utility model;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the first electric push rod of the utility model;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the adjustment frame of the utility model;

[0023] Figure 5 This is a front view structural schematic diagram of the utility model;

[0024] Figure 6 It is a front view cross-sectional structural schematic diagram of the trolley of the utility model.

[0025] In the figure: 1. trolley; 2. walking frame; 3. upper threaded sleeve; 4. outer frame cover; 5. support seat; 6. rotating motor; 7. drilling spiral blade; 8. right supporting shaft; 9. connecting shaft; 10. adjusting frame; 11. connecting block; 12. left supporting shaft; 13. linkage shaft; 14. sampling frame; 15. lifting frame; 16. storage box; 17. upper threaded rod; 18. servo motor; 19. storage bucket; 20. stepping motor; 21. first rotating shaft; 22. first electric push rod; 23. second rotating shaft; 24. lower threaded rod; 25. third rotating shaft; 26. second electric push rod; 27. remote controller; 28. fourth rotating shaft; 29. ​​third electric push rod; 30. fifth rotating shaft; 31. lower threaded sleeve; 32. sixth rotating shaft; 33. right linkage frame; 34. left linkage frame; 35. movable block. DETAILED DESCRIPTION

[0026] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0027] See also Figure 1-6 The utility model provides an embodiment: a sampling device for bridge construction investigation, including a trolley 1 and a support seat 5, the top of the trolley 1 is slidably mounted with the support seat 5, the top of the support seat 5 is mounted with an outer frame cover 4, a right linkage frame 33 is mounted on the side wall of the support seat 5, a right support shaft 8 is arranged on the side of the right linkage frame 33 close to the support seat 5, and the right linkage frame 33 is movably connected with the support seat 5 through the right support shaft 8, an adjusting frame 10 is arranged on the side of the right linkage frame 33 away from the right support shaft 8, a connecting shaft 9 is arranged on one end of the adjusting frame 10 close to the right linkage frame 33, and the adjusting frame 10 is movably connected with the right linkage frame 33 through the connecting shaft 9, and an end of the adjusting frame 10 away from the right linkage frame 33 is arranged There is a connecting block 11, and a left supporting shaft 12 is installed at one end of the adjusting frame 10 close to the connecting block 11, and the adjusting frame 10 is movably connected to the connecting block 11 through the left supporting shaft 12, and a sampling frame 14 is installed on the outer wall of the connecting block 11 away from the adjusting frame 10, and a lifting frame 15 is slidably installed on the outer wall of the sampling frame 14, and a storage box 16 is installed on the outer wall of the sampling frame 14 below the lifting frame 15, and a storage bucket 19 is symmetrically installed on the top of the trolley 1 on one side of the storage box 16, and a rotating motor 6 is installed at the center position of the bottom end of the lifting frame 15, and the rotating motor 6 plays a role of power drive, and a drilling spiral blade 7 is installed on the output end of the rotating motor 6, and the drilling spiral blade 7 extends to the inside of the storage box 16;

[0028] A servo motor 18 is symmetrically mounted on the outer wall of the sampling rack 14 on one side of the lifting rack 15. The servo motor 18 plays a role of power drive. An upper threaded rod 17 is mounted on the output end of the servo motor 18. An upper threaded sleeve 3 is threadedly connected to the surface of the upper threaded rod 17 on one side of the lifting rack 15, and the upper threaded sleeve 3 is connected to the lifting rack 15.

[0029] The device is moved to a designated position by the trolley 1, and the servo motor 18 and the rotating motor 6 are started by operating the remote controller 27. The sampling frame 14 supports the servo motor 18, and the servo motor 18 drives the upper threaded rod 17 to rotate. Under the thread cooperation between the upper threaded rod 17 and the upper threaded sleeve 3, the upper threaded sleeve 3 drives the lifting frame 15 to move downward, and the rotating motor 6 drives the drilling spiral blade 7 to rotate. The lifting frame 15 drives the rotating motor 6 and the drilling spiral blade 7 to move downward, and the drilling spiral blade 7 enters the soil inside the bridge construction. The drilling spiral blade 7 drills the soil into the storage box 16, and the storage box 16 stores the soil, thereby realizing convenient soil drilling sampling of the sampling equipment for bridge construction survey and improving the convenience of the sampling equipment when sampling;

[0030] A left linkage frame 34 is installed on the outer wall of the support seat 5 on one side of the right support shaft 8, and a movable block 35 is arranged inside the left linkage frame 34. A first rotating shaft 21 is installed at one end of the movable block 35 close to the left linkage frame 34, and the movable block 35 is movably connected with the left linkage frame 34 through the first rotating shaft 21. A first electric push rod 22 is arranged on the outer wall of the movable block 35, and the first electric push rod 22 plays a role of power drive. A second rotating shaft 23 is installed at the bottom end of the first electric push rod 22, and the first electric push rod 22 is movably connected with the movable block 35 through the second rotating shaft 23. A third rotating shaft 25 is installed at the top end of the first electric push rod 22, and the first electric push rod 22 is movably connected with the adjustment frame 10 through the third rotating shaft 25;

[0031] A second electric push rod 26 is installed at the top of the adjustment frame 10 on one side of the connecting shaft 9, and the second electric push rod 26 plays a role of power drive. A linkage shaft 13 is installed at the bottom end of the second electric push rod 26, and the second electric push rod 26 is movably connected to the adjustment frame 10 through the linkage shaft 13. A fourth rotating shaft 28 is installed at the top of the second electric push rod 26, and the second electric push rod 26 is movably connected to the connecting block 11 through the fourth rotating shaft 28. A third electric push rod 29 is installed on the outer wall of the right linkage frame 33 below the adjustment frame 10, and the third electric push rod 29 plays a role of power drive. A fifth rotating shaft 30 is installed at the bottom end of the third electric push rod 29, and the third electric push rod 29 is movably connected to the right linkage frame 33 through the fifth rotating shaft 30. A sixth rotating shaft 32 is installed at the top of the third electric push rod 29, and the third electric push rod 29 is movably connected to the adjustment frame 10 through the sixth rotating shaft 32;

[0032] The first electric push rod 22, the second electric push rod 26, and the third electric push rod 29 are started by operating the remote controller 27. The first electric push rod 22 drives the third rotating shaft 25 to rotate around the first rotating shaft 21 under the support of the second rotating shaft 23 and the movable block 35. The left linkage frame 34 movably supports the first rotating shaft 21. The third rotating shaft 25 drives the adjusting frame 10 to rotate around the right supporting shaft 8. The support seat 5 supports the right supporting shaft 8. The right supporting shaft 8 movably supports the right linkage frame 33. When the adjusting frame 10 rotates, it drives the right linkage frame 33 to rotate synchronously to facilitate the left and right tilting and rotation of the adjusting frame 10, the connecting block 11, the sampling frame 14, and the drilling spiral blade 7 to increase the range of soil sampling. The third electric push rod 29 is opened by operating the remote controller 27. The right linkage frame 33 movably supports the third electric push rod 29 through the fifth rotating shaft 30. The third electric push rod 29 drives the adjusting frame 10 through the sixth rotating shaft 32 The frame 10 rotates, and the adjusting frame 10 drives the connecting block 11, the sampling frame 14, and the drilling spiral leaf 7 to rotate up and down. When the adjusting frame 10 rotates, the adjusting frame 10 drives the first electric push rod 22 to rotate through the third rotating shaft 25, and the movable block 35 movably supports the second rotating shaft 23, and the second rotating shaft 23 movably supports the first electric push rod 22. The remote controller 27 is operated to open the second electric push rod 26, and the connecting shaft 9 movably supports the second electric push rod 26 through the linkage shaft 13. The second electric push rod 26 drives the connecting block 11 to rotate through the fourth rotating shaft 28. The connecting block 11 rotates with the left supporting shaft 12 as the axis, and the connecting block 11 drives the sampling frame 14 and the drilling spiral leaf 7 to perform up and down rotation adjustment again to facilitate the inclined lateral soil sampling, thereby realizing the convenient multi-angle adjustment of the sampling equipment for inclined lateral soil sampling, increasing the range of soil lateral sampling, and improving the flexibility of the inclined lateral adjustment of the sampling equipment;

[0033] A traveling frame 2 is installed on the side wall of the support seat 5 away from the right linkage frame 33, a lower threaded rod 24 is installed inside the trolley 1 below the traveling frame 2, a lower threaded sleeve 31 is threadedly connected to the surface of the lower threaded rod 24, and the lower threaded sleeve 31 is connected to the traveling frame 2, a stepper motor 20 is installed inside the trolley 1 on one side of the lower threaded rod 24, the stepper motor 20 plays a role of power drive, and the output end of the stepper motor 20 is connected to the lower threaded rod 24, a remote controller 27 is installed on the outer wall of the trolley 1, and the output end of the remote controller 27 is electrically connected to the input end of the rotary motor 6, the second electric push rod 26, the first electric push rod 22, the third electric push rod 29, the servo motor 18, and the stepper motor 20;

[0034] The remote controller 27 is operated to control the servo motor 18 to reset, and the remote controller 27 is operated to control the second electric push rod 26, the third electric push rod 29, and the first electric push rod 22 to drive the storage box 16 to move to a vertical state. The remote controller 27 is operated to turn on the stepper motor 20, and the stepper motor 20 drives the lower threaded rod 24 to rotate. Under the thread cooperation of the lower threaded rod 24 and the lower threaded sleeve 31, the lower threaded sleeve 31 is driven to move horizontally, and the lower threaded sleeve 31 drives the support seat 5 and the outer frame cover 4 to move horizontally through the walking frame 2, and the support seat 5 drives the adjustment frame 10, the sampling frame 14, and the storage box 16 to move synchronously. When the storage box 16 moves to the top of the storage bucket 19, the remote controller 27 is operated to reversely control the rotating motor 6 to drive the drilling spiral blade 7 to rotate in the opposite direction, so as to facilitate the release of the soil inside the storage box 16 into the storage bucket 19 for storage by the storage bucket 19, so as to realize the convenient release and storage of the sampled soil by the sampling equipment, reduce the manual participation, and improve the convenience of collecting the sampled soil.

[0035] Working principle: When in use, an external power supply is connected, and the upper threaded rod 17 is driven to rotate by the servo motor 18 first, and the upper threaded sleeve 3 drives the lifting frame 15 to move downward, and the rotating motor 6 drives the drilling spiral blade 7 to rotate, and the lifting frame 15 drives the rotating motor 6 and the drilling spiral blade 7 to move downward, and the drilling spiral blade 7 enters the soil inside the bridge construction, and the drilling spiral blade 7 drills the soil into the storage box 16, which is stored by the storage box 16. The first electric push rod 22, the second electric push rod 26, and the third electric push rod 29 are started by operating the remote controller 27, and the first electric push rod 22 drives the third rotating shaft under the support of the second rotating shaft 23 and the movable block 35. The third rotating shaft 25 drives the adjusting frame 10 to rotate about the right supporting shaft 8 as the axis, the supporting seat 5 supports the right supporting shaft 8, and the right supporting shaft 8 movably supports the right linkage frame 33. When the adjusting frame 10 rotates, the right linkage frame 33 is driven to rotate synchronously to facilitate the adjusting frame 10, the connecting block 11, the sampling frame 14, and the drilling spiral blade 7 to tilt left and right to increase the range of soil sampling. The third electric push rod 29 drives the adjusting frame 10 to rotate through the sixth rotating shaft 32, and the adjusting frame 10 drives the connecting block 11, the sampling frame 14, and the drilling spiral blade 7 to rotate left and right. The blade 7 rotates up and down. When the adjustment frame 10 rotates, the adjustment frame 10 drives the first electric push rod 22 to rotate through the third rotating shaft 25. The movable block 35 movably supports the second rotating shaft 23. The second rotating shaft 23 movably supports the first electric push rod 22. The second electric push rod 26 drives the connecting block 11 to rotate through the fourth rotating shaft 28. The connecting block 11 rotates with the left supporting shaft 12 as the axis. The connecting block 11 drives the sampling frame 14 and the drilling spiral blade 7 to rotate up and down again to facilitate the inclined lateral soil sampling. The remote controller 27 is operated to control the servo motor 18 to reset. The remote controller 27 is operated to control the second The electric push rod 26, the third electric push rod 29, and the first electric push rod 22 drive the material storage box 16 to move to a vertical state. The stepper motor 20 drives the lower threaded rod 24 to rotate, and the lower threaded sleeve 31 drives the support seat 5 and the outer frame cover 4 to move horizontally through the walking frame 2. The support seat 5 drives the adjustment frame 10, the sampling frame 14, and the material storage box 16 to move synchronously. When the material storage box 16 moves to the top of the storage barrel 19, the remote controller 27 is operated to reversely control the rotating motor 6 to drive the drilling spiral blade 7 to rotate in the opposite direction to facilitate the release of the soil inside the material storage box 16 into the storage barrel 19, which is stored in the storage barrel 19 to complete the use of the sampling equipment.

[0036] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A sampling device for bridge construction investigation, comprising a trolley (1) and a support base (5), characterized in that: A support seat (5) is slidably mounted on the top of the trolley (1), an outer frame cover (4) is mounted on the top of the support seat (5), a right linkage frame (33) is mounted on the side wall of the support seat (5), a right support shaft (8) is arranged on the side of the right linkage frame (33) close to the support seat (5), and the right linkage frame (33) is movably connected to the support seat (5) through the right support shaft (8), an adjustment frame (10) is arranged on the side of the right linkage frame (33) away from the right support shaft (8), a connecting shaft (9) is mounted on one end of the adjustment frame (10) close to the right linkage frame (33), and the adjustment frame (10) is movably connected to the right linkage frame (33) through the connecting shaft (9), a connecting block (11) is arranged on one end of the adjustment frame (10) away from the right linkage frame (33), and the adjustment frame (10) is movably connected to the right linkage frame (33) through the connecting shaft (9), and the adjustment frame (10) is arranged on one end of the adjustment frame (10) away from the right linkage frame (33). A left supporting shaft (12) is installed at one end of the frame (10) close to the connecting block (11), and the adjusting frame (10) is movably connected to the connecting block (11) through the left supporting shaft (12); a sampling frame (14) is installed on the outer wall of the connecting block (11) away from the adjusting frame (10); a lifting frame (15) is slidably installed on the outer wall of the sampling frame (14); a material storage box (16) is installed on the outer wall of the sampling frame (14) below the lifting frame (15); a storage bucket (19) is symmetrically installed on the top of the trolley (1) on one side of the material storage box (16); a rotating motor (6) is installed at the center position of the bottom end of the lifting frame (15); a drilling spiral blade (7) is installed at the output end of the rotating motor (6), and the drilling spiral blade (7) extends to the inside of the material storage box (16).

2. A sampling device for bridge construction investigation according to claim 1, characterized in that: A servo motor (18) is symmetrically mounted on the outer wall of the sampling frame (14) on one side of the lifting frame (15), and an upper threaded rod (17) is mounted on the output end of each of the servo motors (18). An upper threaded sleeve (3) is threadedly connected to the surface of the upper threaded rod (17) on one side of the lifting frame (15), and the upper threaded sleeve (3) is connected to the lifting frame (15).

3. The sampling device for bridge construction investigation according to claim 1 is characterized in that: A left linkage frame (34) is installed on the outer wall of the support seat (5) on one side of the right support shaft (8), a movable block (35) is arranged inside the left linkage frame (34), a first rotating shaft (21) is installed at one end of the movable block (35) close to the left linkage frame (34), and the movable block (35) is movably connected to the left linkage frame (34) via the first rotating shaft (21).

4. A sampling device for bridge construction investigation according to claim 3, characterized in that: A first electric push rod (22) is arranged on the outer wall of the movable block (35); a second rotating shaft (23) is mounted on the bottom end of the first electric push rod (22); the first electric push rod (22) is movably connected to the movable block (35) via the second rotating shaft (23); a third rotating shaft (25) is mounted on the top end of the first electric push rod (22); the first electric push rod (22) is movably connected to the adjustment frame (10) via the third rotating shaft (25).

5. The sampling device for bridge construction investigation according to claim 1 is characterized in that: A second electric push rod (26) is installed at the top end of the adjustment frame (10) on one side of the connecting shaft (9), a linkage shaft (13) is installed at the bottom end of the second electric push rod (26), and the second electric push rod (26) is movably connected to the adjustment frame (10) via the linkage shaft (13), a fourth rotating shaft (28) is installed at the top end of the second electric push rod (26), and the second electric push rod (26) is movably connected to the connection block (11) via the fourth rotating shaft (28).

6. The sampling device for bridge construction investigation according to claim 1 is characterized by: A third electric push rod (29) is mounted on the outer wall of the right linkage frame (33) below the adjustment frame (10); a fifth rotating shaft (30) is mounted on the bottom end of the third electric push rod (29); the third electric push rod (29) is movably connected to the right linkage frame (33) via the fifth rotating shaft (30); a sixth rotating shaft (32) is mounted on the top end of the third electric push rod (29); the third electric push rod (29) is movably connected to the adjustment frame (10) via the sixth rotating shaft (32).

7. The sampling device for bridge construction investigation according to claim 1 is characterized by: A walking frame (2) is installed on the side wall of the support seat (5) away from the right linkage frame (33), a lower threaded rod (24) is installed inside the trolley (1) below the walking frame (2), a lower threaded sleeve (31) is threadedly connected to the surface of the lower threaded rod (24), and the lower threaded sleeve (31) is connected to the walking frame (2), a stepping motor (20) is installed inside the trolley (1) on one side of the lower threaded rod (24), and the output end of the stepping motor (20) is connected to the lower threaded rod (24).

8. The sampling device for bridge construction investigation according to claim 1 is characterized by: A remote controller (27) is installed on the outer wall of the trolley (1), and the output end of the remote controller (27) is electrically connected to the input ends of the rotary motor (6), the second electric push rod (26), the first electric push rod (22), the third electric push rod (29), the servo motor (18), and the stepping motor (20).

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