Drilling and coring device for civil air defense engineering pile foundation detection

By designing a human defense engineering pile foundation detection drilling core device with motor, hydraulic cylinder and complex gear mechanism, the problem of difficulty in maintaining stable drilling in traditional devices under complex geological conditions is solved, and efficient pile foundation detection and complete core sample acquisition are achieved.

CN119688373AActive Publication Date: 2025-03-25ZHENGZHOU UNIV MULTI-FUNTIONAL DESIGN & RES ACAD CO LTD
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Patent Information

Application Number
CN202510211397.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2025-03-25
Estimated Expiration
2045-02-25

AI Technical Summary

Technical Problem

The drilling core device for traditional civil defense engineering pile foundation detection is difficult to maintain a stable drilling state when facing complex geological conditions and different pile foundation hardness.

Method used

A drilling core device including a motor, hydraulic cylinder and complex gear mechanism is designed. By adjusting the rotation speed and output force of the hydraulic cylinder, it can maintain a stable drilling state under different hardness and geological conditions, and effectively remove the complete core sample through vibrating the motor and clamping the mobile phone.

Benefits of technology

It realizes stable drilling under different hardness and geological conditions, improves the drilling depth per unit time, speeds up the detection progress, and improves the acquisition rate of complete core samples through an effective core sample extraction mechanism.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of civil air defense engineering pile foundation detection equipment, and discloses a drilling and coring device for civil air defense engineering pile foundation detection, which comprises a vehicle body, wheels are rotatably connected to the outer wall of the vehicle body, a connecting block is fixedly connected to the outer wall of the left side of the vehicle body, and a first connecting plate is fixedly connected to the upper surface of the connecting block. The output end of the first motor is connected with a first rotating disc, the inner wall of the first rotating disc is rotatably connected with a second rotating disc, the upper surface of the first connecting plate is fixedly connected with a second connecting plate, the output end of the hydraulic cylinder is connected with a limiting block, and the upper surface of the second rotating disc is fixedly connected with a first connecting column. A second connecting column is arranged at the bottom end of the limiting block. The first motor is started, the first motor drives the drill bit body to rotate, and the hydraulic cylinder drives the drill bit body to move up and down, so that when facing pile foundations with different hardness and geological conditions, the rotating speed can be adjusted, the drill bit is always kept in an efficient drilling state, and the detection progress is accelerated.
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Description

Technical Field

[0001] The invention relates to the technical field of pile foundation detection equipment for civil air defense projects, and in particular to a drilling and coring device for detecting pile foundations of civil air defense projects. Background Art

[0002] The pile foundation of the civil air defense project is used to transfer the load from the superstructure to the pile foundation part deep in the foundation, providing solid support for the entire civil air defense project. The pile foundation usually consists of a pile body and a cap connected to the top of the pile. The drilling and coring device drills holes in the pile foundation of the civil air defense project through a drill bit and takes out samples of the pile foundation soil or concrete.

[0003] Traditional drilling and coring equipment for pile foundation inspection of civil air defense projects is usually equipped with a core tube and a corer. During the drilling process, the core tube drives the drill bit to rotate and cut the pile foundation material, cutting it into cylindrical samples of a certain length. However, when faced with complex geological conditions and different pile foundation hardnesses, it is difficult to maintain a stable drilling state because the output power of its power source is usually fixed. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a drilling and coring device for pile foundation detection in civil air defense projects, which solves the problem of difficulty in maintaining a stable drilling state when faced with complex geological conditions and different pile foundation hardnesses.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a drilling and coring device for pile foundation detection of civil air defense projects, comprising a body, the outer wall of the body is rotatably connected to a wheel, the left outer wall of the body is fixedly connected to a connecting block, the upper surface of the connecting block is fixedly connected to a connecting plate 1, the right lower surface of the connecting plate 1 is fixedly connected to a motor 1, the output end of the motor 1 is connected to a rotating disk 1, the inner wall of the rotating disk 1 is rotatably connected to a rotating disk 2, the upper surface of the connecting plate 1 is fixedly connected to a connecting plate 2, the interior of the connecting plate 2 is fixedly connected to a hydraulic cylinder, the output end of the hydraulic cylinder is connected to a limiting block, the upper surface of the rotating disk 2 is fixedly connected to a connecting column 1, the outer wall of the limiting block is fixedly connected to the interior of the connecting column 1, the bottom end of the limiting block is provided with a connecting column 2, and the bottom end of the connecting column 2 is provided with a drilling assembly, and the drilling assembly is used to drill holes in civil air defense project piles.

[0006] Preferably, the drilling assembly includes a drill body, the top of which is fixedly connected to the bottom end of the second connecting column, the outer wall of the drill body is provided with a connecting rod, and the outer wall of the connecting rod is slidably connected to the inner wall of the connecting block.

[0007] Preferably, the outer wall of the connecting rod is fixedly connected to a support plate, the outer wall of the support plate is fixedly connected to a rack 1, the outer wall of the connecting block is provided with a rotating column 1, the outer wall of the rotating column 1 is fixedly connected to a first gear, the outer wall of the rotating column 1 is fixedly connected to a second gear, and the outer wall of the rotating column 1 is fixedly connected to a bevel gear 1.

[0008] Preferably, the tooth end of bevel gear one is meshingly connected with bevel gear two, the inner wall of bevel gear two is fixedly connected with rotating column two, the bottom end of rotating column two is arranged on the left upper surface of the vehicle body, the lower outer wall of rotating column two is fixedly connected with bevel gear three, the outer wall of the connecting block is provided with a brake block, and the outer wall of the brake block is arranged on the tooth end of the first gear.

[0009] Preferably, the tooth end of the bevel gear three is meshingly connected with the bevel gear four, the inner wall of the bevel gear four is fixedly connected with a rotating rod, and the outer wall of the rotating rod is rotatably connected to the interior of the vehicle body.

[0010] Preferably, the outer wall of the rotating rod is fixedly connected with a third gear, the tooth end of the third gear is meshingly connected with the second rack, and the right outer wall of the vehicle body is fixedly connected with a fixing block.

[0011] Preferably, a threaded rod 1 is provided inside the fixing block, the lower outer wall of the threaded rod 1 is threadedly connected to the lower inner part of the fixing block, and the lower inner wall of the fixing block is slidably connected to the right outer wall of the vehicle body.

[0012] Preferably, a handle is fixedly connected to the top end of the threaded rod 1, a mounting block is fixedly connected to the lower right outer wall of the vehicle body, and a vibration motor is arranged inside the mounting block.

[0013] Preferably, the outer wall of the vibration motor is provided with a coring column, the upper outer wall of the coring column is rotatably connected to the lower inner part of the fixed block, and the inner bottom wall of the fixed block is fixedly connected to the motor 2.

[0014] Preferably, the output end of the second motor is connected to a second threaded rod, the second threaded rod is arranged on the inner bottom wall of the fixed block, and the outer wall of the second threaded rod is threadedly connected to a clamp.

[0015] Working principle: By starting motor 1, motor 1 will drive rotating disk 1 and rotating disk 2 to rotate, the rotation of rotating disk 2 will drive connecting column 2 and drill body to rotate on the outer wall of connecting rod, and then start the hydraulic cylinder, the hydraulic cylinder will drive connecting column 2, drill body and connecting rod to slide, the sliding of connecting rod will drive support plate and rack 1 to slide, rack 1 will squeeze the brake block, when the brake block is squeezed, the tooth end of the brake block will leave the first gear, and rack 1 will drive the second gear to rotate, the rotation of the second gear will drive the first gear, rotating column 1 and bevel gear 1 to rotate, the rotation of bevel gear 1 will drive rotating column 2 and bevel gear 2 to rotate, the rotation of rotating column 2 and bevel gear 2 will drive Gear three, bevel gear four and rotating rod rotate, the rotation of the rotating rod drives the third gear to rotate, the rotation of the third gear drives rack two to rise and fall, when the support plate and rack one leave the brake block, the brake block will jam the first gear to prevent rack two from resetting, when the drill body is retracted, the drill body will drive the support plate and rack one to slide, the support plate will squeeze the brake block, the brake block will loosen the first gear so that rack one can smoothly drive the first gear and rotating column one to rotate, and finally drive rack two to reset, so that when facing pile foundations with different hardness and geological conditions, the rotation speed can be adjusted, so that the drill bit can always maintain an efficient drilling state, further improving the drilling depth per unit time and accelerating the detection progress;

[0016] When the brake block is squeezed, the tooth end of the brake block will leave the first gear, and the rack 1 will drive the second gear to rotate. The rotation of the second gear will drive the first gear, the rotating column 1 and the bevel gear 1 will rotate, the rotation of the bevel gear 1 will drive the rotating column 2 and the bevel gear 2 to rotate, the rotation of the rotating column 2 and the bevel gear 2 will drive the bevel gear 3, the bevel gear 4 and the rotating rod to rotate, the rotation of the rotating rod will drive the third gear to rotate, and the rotation of the third gear will drive the rack 2 to rise and fall. When the support plate and the rack 1 leave the brake block, the brake block will jam the first gear to prevent the rack 2 from resetting. When the drill body is retracted, the drill body will drive the support plate and the rack 1 to slide, the support plate will squeeze the brake block, and the brake block will loosen the first gear so that the rack 1 can smoothly drive the first gear and the rotating column 1 to rotate, and finally drive the rack 2 to reset. In this way, when the drilling depth is large or the geological conditions are more complicated, the shaking and vibration of the device can be reduced, the drilling accuracy can be improved, the verticality of the drilling and the consistency of the aperture can be ensured, which is conducive to obtaining high-quality core samples.

[0017] By manually turning the handle, the rotation of the handle will drive the rotation of threaded rod one, and the rotation of threaded rod one will drive the lower inner wall of the fixed block to slide and connect to the inner wall of the car body, and the core column will be placed into the inner wall of the drilled hole, and then the vibration motor will be started, and the vibration motor will drive the core column to vibrate to shake out the core, and then by starting motor two, motor two will drive threaded rod two to rotate, and the rotation of threaded rod two will drive the clamp to clamp the core, and finally the handle is manually turned to take out the core, thereby effectively breaking the connection between the core sample and the surrounding medium, so that the core sample can be taken out from the pile foundation more completely, reducing the situation of core sample breakage and fragmentation due to forced extraction, greatly improving the acquisition rate of complete core samples, and providing a reliable sample basis for subsequent accurate detection of the strength, density and other properties of the pile foundation.

[0018] The present invention provides a drilling and coring device for pile foundation detection of civil air defense projects. It has the following beneficial effects:

[0019] 1. The present invention starts motor 1, which drives the drill body to rotate, and the hydraulic cylinder drives the drill body to move up and down, so that when facing pile foundations with different hardness and geological conditions, it can maintain a stable drilling state, further improve the drilling depth per unit time, and speed up the detection progress.

[0020] 2. The present invention drives the drill body to move up and down through a hydraulic cylinder, and the up and down movement of the drill body will drive rack 2 to support the body, thereby reducing the shaking and vibration of the device, improving the drilling accuracy, and ensuring the verticality of the drill hole and the consistency of the hole diameter when the drilling depth is large or the geological conditions are more complicated.

[0021] 3. The present invention uses motor 2 to drive the gripper to clamp the core, thereby effectively breaking the connection between the core sample and the surrounding medium, so that the core sample can be taken out from the pile foundation more completely, reducing the breakage and crushing of the core sample due to forced extraction, greatly improving the acquisition rate of complete core samples, and providing a reliable sample basis for subsequent accurate detection of the strength, density and other properties of the pile foundation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the partial structure of the second connecting column of the present invention;

[0024] Figure 3 It is a schematic diagram of the local structure of the support plate of the present invention;

[0025] Figure 4 for Figure 1 The enlarged schematic diagram at A in the middle;

[0026] Figure 5It is a schematic cross-sectional view of the internal structure of the vehicle body of the present invention;

[0027] Figure 6 It is a schematic diagram of the local structure of the mounting block of the present invention;

[0028] Figure 7 for Figure 6 Enlarged schematic diagram of point B in the middle.

[0029] Among them, 1. body; 2. wheel; 3. connecting block; 4. connecting plate 1; 5. motor 1; 6. rotating disk 1; 7. rotating disk 2; 8. connecting plate 2; 9. hydraulic cylinder; 10. limit block; 11. connecting column 1; 12. connecting column 2; 13. drill body; 14. connecting rod; 15. support plate; 16. rack 1; 17. rotating column 1; 18. first gear; 19. second gear; 20. bevel gear 1; 21. rotating column 2; 22. bevel gear 2; 23. bevel gear 3; 24. bevel gear 4; 25. rotating rod; 26. third gear; 27. rack 2; 28. fixing block; 29. ​​threaded rod 1; 30. handle; 31. mounting block; 32. vibration motor; 33. core column; 34. motor 2; 35. threaded rod 2; 36. clamp; 37. brake block. DETAILED DESCRIPTION

[0030] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Please refer to the attached Figure 1 -Attached Figure 4The embodiment of the present invention provides a drilling and coring device for pile foundation detection of civil air defense projects, including a body 1, the outer wall of the body 1 is rotatably connected to a wheel 2, the left outer wall of the body 1 is fixedly connected to a connecting block 3, the upper surface of the connecting block 3 is fixedly connected to a connecting plate 4, the right lower surface of the connecting plate 4 is fixedly connected to a motor 5, the output end of the motor 5 is connected to a rotating disk 6, the inner wall of the rotating disk 6 is rotatably connected to a rotating disk 2 7, the upper surface of the connecting plate 4 is fixedly connected to a connecting plate 2 8, the interior of the connecting plate 2 8 is fixedly connected to a hydraulic cylinder 9, and the hydraulic cylinder The output end of 9 is connected to the limited block 10, the upper surface of the rotating disk 2 7 is fixedly connected with a connecting column 11, the outer wall of the limit block 10 is fixedly connected to the inside of the connecting column 11, the bottom end of the limit block 10 is provided with a connecting column 2 12, and the bottom end of the connecting column 2 12 is provided with a drilling assembly, and the drilling assembly is used to drill holes in the civil air defense engineering piles; the drilling assembly includes a drill body 13, the top of the drill body 13 is fixedly connected to the bottom end of the connecting column 2 12, the outer wall of the drill body 13 is provided with a connecting rod 14, and the outer wall of the connecting rod 14 is slidably connected to the inner wall of the connecting block 3;

[0032] Specifically, the vehicle body 1 is used to support the connecting block 3 and the fixing block 28, the connecting block 3 is used to support and fix the connecting plate 14, the upper side of the vehicle body 1 is used to store batteries and increase the overall weight of the vehicle body 1, the motor 15 is used to drive the rotating disk 16 and the rotating disk 27 to rotate, the hydraulic cylinder 9 is used to drive the connecting column 2 12 to slide inside the connecting column 11, when the rotating disk 27 rotates, the hydraulic cylinder 9 will not be driven to rotate under the action of the limit block 10, the connecting column 2 12 is used to drive the drill body 13 to rotate, the connecting rod 14 is arranged on the outside of the drill body 13, and will not rotate due to the rotation of the drill body 13, and the connecting rod 14 will be driven to move up and down only when the drill body 13 moves up and down, and the sliding of the connecting rod 14 will drive the support plate 15 and the rack 16 to slide inside the connecting block 3, so that when facing pile foundations with different hardness and geological conditions, it can maintain a stable drilling state, further improve the drilling depth per unit time, and accelerate the detection progress.

[0033] Please refer to the attached Figure 3 -Attached Figure 5The outer wall of the connecting rod 14 is fixedly connected to the support plate 15, the outer wall of the support plate 15 is fixedly connected to the rack 16, the outer wall of the connecting block 3 is provided with a rotating column 17, the outer wall of the rotating column 17 is fixedly connected to the first gear 18, the outer wall of the rotating column 17 is fixedly connected to the second gear 19, and the outer wall of the rotating column 17 is fixedly connected to the bevel gear 20; the tooth end of the bevel gear 20 is meshedly connected with the bevel gear 22, the inner wall of the bevel gear 22 is fixedly connected with the rotating column 21, the bottom end of the rotating column 21 is arranged on the left upper surface of the vehicle body 1, the lower outer wall of the rotating column 21 is fixedly connected with the bevel gear 3 23, the outer wall of the connecting block 3 is provided with a brake block 37, and the outer wall of the brake block 37 is arranged on the tooth end of the first gear 18; the tooth end of the bevel gear 3 23 is meshedly connected with the bevel gear 4 24, the inner wall of the bevel gear 4 24 is fixedly connected with the rotating rod 25, and the outer wall of the rotating rod 25 is rotatably connected to the inside of the vehicle body 1.

[0034] Specifically, the sliding of the support plate 15 will drive the brake block 37 to rotate outside the connecting block 3. A spring is arranged inside the brake block 37, and the spring is used to drive the brake block 37 to reset. The brake block 37 is used to limit the rotation of the rotating column 17 and the first gear 18. When the brake block 37 releases the first gear 18, the rack 16 can drive the second gear 19 to rotate. The rotation of the second gear 19 is used to drive the bevel gear 1 20 to rotate. The bevel gear 1 20 is used to drive the rotating column 21 and the bevel gear 22 to rotate. The movable column 21 and the bevel gear 22 are used to drive the bevel gear 3 23, the bevel gear 4 24 and the rotating rod 25 to rotate. The rotating rod 25 and the third gear 26 cooperate with each other to drive the rack 27 to rise and fall. A rubber pad is provided at the bottom end of the rack 27. The rack 27 is used to support the vehicle body 1, and the vehicle body 1 is used to support the rotating rod 25. In this way, when the drilling depth is large or the geological conditions are more complicated, the shaking and vibration of the device can be reduced, the drilling accuracy can be improved, and the verticality of the drilling and the consistency of the aperture can be ensured.

[0035] Please refer to the attached Figure 5 -Attached Figure 7, the outer wall of the rotating rod 25 is fixedly connected with a third gear 26, the tooth end of the third gear 26 is meshedly connected with a rack 27, and the right outer wall of the vehicle body 1 is fixedly connected with a fixed block 28; a threaded rod 29 is arranged inside the fixed block 28, the lower outer wall of the threaded rod 29 is threadedly connected to the lower inner part of the fixed block 28, and the lower inner wall of the fixed block 28 is slidably connected to the right outer wall of the vehicle body 1; a handle 30 is fixedly connected to the top of the threaded rod 29, and a mounting block 31 is fixedly connected to the right lower outer wall of the vehicle body 1, and a vibration motor 32 is arranged inside the mounting block 31; a core column 33 is arranged on the outer wall of the vibration motor 32, and the upper outer wall of the core column 33 is rotatably connected to the lower inner part of the fixed block 28, and a motor 2 34 is fixedly connected to the inner bottom wall of the fixed block 28; the output end of the motor 2 34 is connected with a threaded rod 2 35, the threaded rod 2 35 is arranged on the inner bottom wall of the fixed block 28, and the outer wall of the threaded rod 2 35 is threadedly connected with a clamp 36.

[0036] Specifically, the handle 30 is used to drive the threaded rod 29 to rotate, the upper outer wall of the threaded rod 29 is rotatably connected to the upper inner part of the fixed block 28, and the lower outer wall of the threaded rod 29 is threadedly connected to the lower inner part of the fixed block 28, the lower half of the fixed block 28 is separated from the fixed block 28, the lower half of the fixed block 28 slides on the inner wall of the vehicle body 1, and the upper half of the fixed block 28 is fixedly connected to the outer wall of the vehicle body 1, the motor 2 34 is a power-off braking stepper motor, the power-off braking stepper motor can start braking at the moment of power off, quickly lock the motor shaft, and improve the safety and stability of the equipment, the mounting block 31 is used to support the threaded rod 29 to rotate, and the mounting Block 31 is used to fix the vibration motor 32, and the vibration motor 32 is used to drive the coring column 33 to vibrate. The vibration of the coring column 33 will make the core easier to take out. The threaded rod 35 is a bidirectional threaded rod. When the motor 34 rotates, it will drive the clamp 36 to slide relatively. Under the influence of the width of the fixed block 28, the clamp 36 can only slide inside it. The clamp 36 is used for coring, so as to effectively break the connection between the core sample and the surrounding medium, so that the core sample can be taken out from the pile foundation more completely, reducing the situation of core sample breakage and crushing due to forced extraction, greatly improving the acquisition rate of complete core samples, and providing a reliable sample basis for the subsequent accurate detection of the strength, density and other properties of the pile foundation.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drilling and coring device for detecting pile foundations of civil air defense projects, comprising a vehicle body (1), characterized in that: The outer wall of the vehicle body (1) is rotatably connected to a wheel (2); the left outer wall of the vehicle body (1) is fixedly connected to a connecting block (3); the upper surface of the connecting block (3) is fixedly connected to a connecting plate 1 (4); the lower right surface of the connecting plate 1 (4) is fixedly connected to a motor 1 (5); the output end of the motor 1 (5) is connected to a rotating disk 1 (6); the inner wall of the rotating disk 1 (6) is rotatably connected to a rotating disk 2 (7); the upper surface of the connecting plate 1 (4) is fixedly connected to a connecting plate 2 (8); ), a hydraulic cylinder (9) is fixedly connected to the interior of the connecting plate 2 (8), an output end of the hydraulic cylinder (9) is connected to a limit block (10), a connecting column 1 (11) is fixedly connected to the upper surface of the rotating disk 2 (7), an outer wall of the limit block (10) is fixedly connected to the interior of the connecting column 1 (11), a connecting column 2 (12) is arranged at the bottom end of the limit block (10), a drilling assembly is arranged at the bottom end of the connecting column 2 (12), and the drilling assembly is used to drill holes in the civil air defense engineering piles.

2. A drilling and coring device for pile foundation detection of civil air defense projects according to claim 1, characterized in that: The drilling assembly comprises a drill body (13), the top end of the drill body (13) being fixedly connected to the bottom end of the second connecting column (12), the outer wall of the drill body (13) being provided with a connecting rod (14), and the outer wall of the connecting rod (14) being slidably connected to the inner wall of the connecting block (3).

3. A drilling and coring device for pile foundation detection of civil air defense projects according to claim 2, characterized in that: The outer wall of the connecting rod (14) is fixedly connected to a support plate (15), the outer wall of the support plate (15) is fixedly connected to a rack gear 1 (16), the outer wall of the connecting block (3) is provided with a rotating column 1 (17), the outer wall of the rotating column 1 (17) is fixedly connected to a first gear (18), the outer wall of the rotating column 1 (17) is fixedly connected to a second gear (19), and the outer wall of the rotating column 1 (17) is fixedly connected to a bevel gear 1 (20).

4. A coring device for pile foundation detection of civil air defense projects according to claim 3, characterized in that: The tooth end of the bevel gear 1 (20) is meshedly connected with the bevel gear 2 (22); the inner wall of the bevel gear 2 (22) is fixedly connected with the rotating column 2 (21); the bottom end of the rotating column 2 (21) is arranged on the left upper surface of the vehicle body (1); the lower outer wall of the rotating column 2 (21) is fixedly connected with the bevel gear 3 (23); the outer wall of the connecting block (3) is provided with a brake block (37); the outer wall of the brake block (37) is arranged on the tooth end of the first gear (18).

5. A drilling and coring device for pile foundation detection of civil air defense projects according to claim 4, characterized in that: The tooth end of the bevel gear three (23) is meshingly connected with the bevel gear four (24), the inner wall of the bevel gear four (24) is fixedly connected with a rotating rod (25), and the outer wall of the rotating rod (25) is rotatably connected to the inside of the vehicle body (1).

6. A drilling and coring device for pile foundation detection of civil air defense projects according to claim 5, characterized in that: The outer wall of the rotating rod (25) is fixedly connected to a third gear (26), the tooth end of the third gear (26) is meshingly connected to a second rack (27), and the right outer wall of the vehicle body (1) is fixedly connected to a fixing block (28).

7. A coring device for pile foundation detection of civil air defense projects according to claim 6, characterized in that: A threaded rod 1 (29) is provided inside the fixing block (28), the lower outer wall of the threaded rod 1 (29) is threadedly connected to the lower inner wall of the fixing block (28), and the lower inner wall of the fixing block (28) is slidably connected to the right outer wall of the vehicle body (1).

8. A coring device for pile foundation detection of civil air defense projects according to claim 7, characterized in that: A handle (30) is fixedly connected to the top end of the threaded rod (29), a mounting block (31) is fixedly connected to the lower right outer wall of the vehicle body (1), and a vibration motor (32) is disposed inside the mounting block (31).

9. A coring device for pile foundation detection of civil air defense projects according to claim 8, characterized in that: The outer wall of the vibration motor (32) is provided with a coring column (33), the upper outer wall of the coring column (33) is rotatably connected to the lower interior of the fixed block (28), and the inner bottom wall of the fixed block (28) is fixedly connected to the second motor (34).

10. A coring device for pile foundation detection of civil air defense projects according to claim 9, characterized in that: The output end of the second motor (34) is connected to a second threaded rod (35), the second threaded rod (35) is arranged on the inner bottom wall of the fixed block (28), and the outer wall of the second threaded rod (35) is threadedly connected to a clamp (36).

Citation Information

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