Drilling and coring device for main structure engineering detection

By using a worm gear system driven by a dual-head motor and a servo motor, along with a limit block design, the problem of equipment damage caused by the displacement of the lifting plate during the drilling and coring process was solved. This achieved stable fixation and precise positioning of the device, thus improving the construction quality.

CN224215090UActive Publication Date: 2026-05-08CSCEC STRAIT CONSTR & DEV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CSCEC STRAIT CONSTR & DEV
Filing Date
2025-06-25
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing core drilling equipment suffers damage during construction due to the displacement of the lifting plate, which reduces the quality of work.

Method used

The device employs a worm gear mechanism driven by a dual-head motor and a threaded rod system driven by a servo motor. The worm gear drives the positioning column and transmission rod to rise and fall. Combined with the design of limit blocks and pulleys, it ensures the stable fixation of the device and the precise positioning of the core drilling equipment.

Benefits of technology

This improved the stability and service life of the core drilling device, and enhanced the quality of work during the construction process.

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Abstract

The utility model relates to the technical field of constructional engineering, in particular to a drilling and coring device for main structure engineering detection, which comprises a fixed seat, connecting plates are fixedly connected to two sides of the bottom surface of the fixed seat, and double-end motors are fixedly connected to the bottom surface of the fixed seat close to the other two sides. First worms are fixedly connected to the two ends of the two double-end motors correspondingly, the positions, close to the ends, of the outer walls of the four first worms are movably connected to one sides of the two connecting plates in a sleeving mode correspondingly, the outer walls of the four first worms are connected with first worm wheels in a meshed mode correspondingly, and the inner walls of the four first worm wheels are connected with positioning columns in a threaded sleeving mode correspondingly; sleeves are fixedly connected to the four corners of the bottom face of the fixing base correspondingly, two limiting bases are fixedly connected to the inner walls of the four sleeves correspondingly, four first worm wheels are movably connected to the inner walls of the eight limiting bases, four pulleys are made to be away from the ground through lifting movement of four positioning columns, and then the fixing base is fixed to a work site.
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Description

Technical Field

[0001] This utility model relates to the field of building engineering technology, and in particular to a core drilling device for testing main structural engineering. Background Technology

[0002] During the construction phase of building projects, factors such as the professional level of construction personnel, the rationality of construction design schemes, and natural factors in the surrounding area can lead to certain construction problems and deficiencies in the main structure of the project. Inspecting the main structure of the project is an important means to ensure the quality and safety of the building and also optimizes the management level of building construction projects.

[0003] Patent publication number CN221925700U discloses a core drilling device for testing the main structure of an engineering project. The device includes a fixed base, with the fixed base positioned on one side of the wall. The side of the fixed base is fixedly connected to a top plate, and the bottom surface of the fixed base is fixedly connected to four symmetrical casters. A motor is fixedly installed inside the fixed base, and the output end of the motor is fixedly connected to a worm gear. Two symmetrical sleeves are rotatably connected inside the wall, and the outer sides of the sleeves are fixedly connected to worm wheels. In existing technology, the lifting plate is raised and lowered only by a lifting cylinder. When the core drilling equipment is working, the lifting plate will shift and rotate, causing damage to the core drilling equipment and significantly reducing work quality.

[0004] To address this issue, we provide a core drilling device for main structural engineering inspection, which solves the aforementioned problems. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a core drilling device for main structure engineering inspection, so as to solve the problems existing in the background art.

[0006] This utility model provides the following technical solution: a core drilling device for main structure engineering inspection, including a fixed base, connecting plates fixedly connected to both sides of the bottom surface of the fixed base, a double-headed motor fixedly connected to the bottom surface of the fixed base near the other two sides, a first worm gear fixedly connected to both ends of the two double-headed motors, the outer walls of the four first worm gears movably sleeved to one side of the two connecting plates near one end, a first worm wheel meshing with the outer walls of the four first worm gears, a positioning pin threadedly sleeved on the inner walls of the four first worm wheels, sleeves fixedly connected to the four corners of the bottom surface of the fixed base, two limiting seats fixedly connected to the inner walls of the four sleeves, and four first worm wheels movably connected to the inner walls of the eight limiting seats;

[0007] Preferably, arc-shaped grooves are formed on both sides of the outer wall of the four sleeves, the four first worm gears are located in the arc-shaped grooves, and pulleys are fixedly connected to one side of the outer wall of the four sleeves.

[0008] Preferably, each of the four corners of the inner bottom surface of the fixed base is fixedly connected to a sleeve plate, the outer wall of the four sleeve plates penetrates the top surface of the fixed base, and slots are opened on both sides of the four sleeve plates.

[0009] Preferably, each of the four sleeve plates has a movable plate movably sleeved inside, and the bottom end of each of the four movable plates is fixedly connected to a connecting seat.

[0010] Preferably, each of the four connecting seats is movably connected to a connecting rod, the outer wall of the four connecting rods passes through the eight slots and is movably connected to the four connecting seats, one end of each of the four connecting rods is fixedly sleeved with two transmission rods, and one end of the four connecting rods is fixedly sleeved on the outer wall of the two transmission rods near both ends.

[0011] Preferably, limit blocks are movably sleeved on the outer walls of the two transmission rods near both ends. A support frame is fixedly connected to the bottom surface of the four limit blocks. The two sides of the support frame are fixedly connected to the opposite sides of the four sleeve plates. A second worm gear is fixedly sleeved on the middle of the outer walls of the two transmission rods. A protective box is fixedly connected to the middle of the support frame. A second worm is rotatably connected inside the protective box. The outer walls of the two second worm gears mesh with the outer walls of the second worm. The middle of the outer walls of the two transmission rods is rotatably connected to the inside of the protective box near both sides. A drive motor is fixedly connected to the bottom end of the second worm. The drive motor is fixedly connected to the bottom surface of the protective box.

[0012] Preferably, a support plate is fixedly connected to the top surface of the four movable plates. A T-slot is formed in the middle of the top surface of the support plate. A threaded rod is rotatably connected in each T-slot. A T-block is threaded onto the outer wall of the threaded rod. A core drilling device is fixedly connected to the top surface of the T-block. The T-block is slidably connected in the T-slot. A servo motor is fixedly connected to one end of the threaded rod. The servo motor is fixedly connected to one side of the support plate.

[0013] The beneficial effects of this utility model are:

[0014] This utility model uses a dual-head motor to push the fixed base to the work site. Then, the two dual-head motors drive four first worm gears to rotate, which in turn drive four first worm wheels to rotate. The four first worm wheels then drive four positioning columns to move up and down in four sleeves. Through the up and down movement of the four positioning columns, the four pulleys are moved away from the ground, thereby fixing the fixed base to the work site.

[0015] This invention, by setting a second worm gear, drives two second worm wheels to rotate, which in turn drive two transmission rods to rotate. These transmission rods then drive four connecting rods to move, which in turn drive four movable plates to rise and fall within four sleeve plates, thereby raising and lowering the support plate. The top surfaces of the four movable plates are fixedly connected to the four corners of the bottom surface of the support plate, thus improving the stability of the support plate during raising and lowering. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 This is a cross-sectional view of the fixed base structure of this utility model.

[0018] Figure 3 This is a schematic diagram of the first worm gear structure of this utility model.

[0019] Figure 4 This is an exploded view of the sleeve structure of this utility model.

[0020] Figure 5 This is an exploded view of the protective box structure of this utility model.

[0021] The attached figures are labeled as follows: 1. Fixed base; 2. Connecting plate; 3. Double-headed motor; 4. First worm gear; 6. Sleeve; 7. Limiting seat; 8. First worm wheel; 9. Positioning column; 10. Pulley; 11. Sleeve plate; 12. Groove; 13. Moving plate; 14. Connecting seat; 15. Connecting rod; 16. Transmission rod; 17. Limiting block; 18. Support frame; 19. Second worm wheel; 20. Second worm gear; 21. Protective box; 22. Drive motor; 23. Support plate; 24. Servo motor; 25. T-slot; 26. Threaded rod; 27. Drilling and coring equipment. Detailed Implementation

[0022] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The drilling and core sampling device for main structure engineering inspection involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] This utility model provides a core drilling device for main structure engineering testing, including a fixed base 1. Connecting plates 2 are fixedly connected to both sides of the bottom surface of the fixed base 1. Double-headed motors 3 are fixedly connected to the bottom surface of the fixed base 1 near the other two sides. First worm gears 4 are fixedly connected to both ends of the two double-headed motors 3. The outer walls of the four first worm gears 4 are movably sleeved on one side of the two connecting plates 2 near one end. First worm wheels 8 are meshed with the outer walls of the four first worm gears 4. Positioning pins 9 are threadedly sleeved on the inner walls of the four first worm wheels 8. Sleeves 6 are fixedly connected to the four corners of the bottom surface of the fixed base 1. Two limiting seats 7 are fixedly connected to the inner walls of the four sleeves 6. The inner walls of the eight limiting seats 7 are movably connected to the four first worm wheels 8.

[0024] By setting up a dual-head motor 3, the fixed seat 1 is pushed to the work site. Then, the two dual-head motors 3 are controlled to drive the four first worm gears 4 to rotate. The four first worm gears 4 drive the four first worm wheels 8 to rotate. The four first worm wheels 8 drive the four positioning columns 9 to move up and down in the four sleeves 6. Through the up and down movement of the four positioning columns 9, the four pulleys 10 are moved away from the ground, thereby fixing the fixed seat 1 to the work site.

[0025] Furthermore, arc-shaped grooves are provided on both sides of the outer wall of the four sleeves 6, and the four first worm gears 8 are located in the arc-shaped grooves. A pulley 10 is fixedly connected to one side of the outer wall of the four sleeves 6. Sleeve plates 11 are fixedly connected to the four corners of the inner bottom surface of the fixed base 1. The outer walls of the four sleeve plates 11 penetrate the top surface of the fixed base 1. Slots 12 are provided on both sides of the four sleeve plates 11. Movable plates 13 are movably sleeved inside the four sleeve plates 11. Connecting seats 14 are fixedly connected to the bottom ends of the four moving plates 13. Connecting rods 15 are movably connected to the four connecting seats 14. The outer walls of the four connecting rods 15 penetrate through eight slots 12 and are movably connected to the four connecting seats 14. Two transmission rods 16 are fixedly sleeved at one end of the four connecting rods 15. One end of the four connecting rods 15 is fixedly sleeved on the outer walls of the two transmission rods 16 near both ends.

[0026] By setting a second worm gear 20, the outer wall of the second worm gear 20 drives two second worm wheels 19 to rotate, which in turn drives two transmission rods 16 to rotate. The two transmission rods 16 drive four connecting rods 15 to move, which in turn drives four moving plates 13 to rise and fall in the four sleeve plates 11, thereby raising and lowering the support plate 23. The top surfaces of the four moving plates 13 are fixedly connected to the four corners of the bottom surface of the support plate 23, thereby improving the stability of the support plate 23 when it rises and falls.

[0027] Furthermore, limit blocks 17 are movably sleeved on the outer walls of the two transmission rods 16 near both ends. Support frames 18 are fixedly connected to the bottom surfaces of the four limit blocks 17. The two sides of the support frames 18 are fixedly connected to the opposite sides of the four sleeve plates 11. Second worm gears 19 are fixedly sleeved on the middle of the outer walls of the two transmission rods 16. A protective box 21 is fixedly connected to the middle of the support frame 18. A second worm 20 is rotatably connected inside the protective box 21. The outer walls of the two second worm gears 19 are meshed with the outer walls of the second worm 20. The middle of the outer walls of the two transmission rods 16 are rotatably connected to the inner sides of the protective box 21. A drive motor 22 is fixedly connected to the bottom end of the second worm 20. The drive motor 22 is fixedly connected to the bottom surface of the protective box 21.

[0028] By setting limit blocks 17, four limit blocks 17 are used to support and limit the outer walls of the two transmission rods 16 near both ends, thereby improving the stability of the two transmission rods 16 during movement.

[0029] Furthermore, a support plate 23 is fixedly connected to the top surface of the four movable plates 13. A T-slot 25 is provided in the middle of the top surface of the support plate 23. A threaded rod 26 is rotatably connected in the groove of the T-slot 25. A T-block is threadedly sleeved on the outer wall of the threaded rod 26. A drilling and core sampling device 27 is fixedly connected to the top surface of the T-block. The T-block is slidably connected in the T-slot 25. A servo motor 24 is fixedly connected to one end of the threaded rod 26. The servo motor 24 is fixedly connected to one side of the support plate 23.

[0030] By setting a servo motor 24, the transmission end of the servo motor 24 passes through the T-slot 25 and is fixedly connected to the threaded rod 26. After one side of the fixed seat 1 is attached to the wall, the servo motor 24 is turned on to drive the threaded rod 26 to rotate. The threaded rod 26 drives the T-block to move. The T-block drives the drilling and core sampling equipment 27 to move and adjust its position, thus demonstrating the convenience and practicality of the equipment.

[0031] The working principle of this utility model is as follows: The fixed base 1 is pushed to the work site. Then, two double-headed motors 3 drive four first worm gears 4 to rotate. The four first worm gears 4 drive four first worm wheels 8 to rotate. The four first worm wheels 8 drive four positioning pins 9 to move up and down within four sleeves 6. Through the up and down movement of the four positioning pins 9, the four pulleys 10 are moved away from the ground, thus fixing the fixed base 1 to the work site. The outer wall of the second worm gear 20 drives two second worm wheels 19 to rotate, causing the two second worm wheels 19 to drive two transmission rods 16 to rotate. Through the two transmission rods 16, four connecting rods 15 move, thus moving the four connecting rods 15. The connecting rod 15 drives four movable plates 13 to rise and fall within four sleeve plates 11, thereby raising and lowering the support plate 23. The top surfaces of the four movable plates 13 are fixedly connected to the four corners of the bottom surface of the support plate 23. Four limiting blocks 17 are used to support and limit the outer walls of the two transmission rods 16 near both ends. The transmission end of the servo motor 24 passes through the T-slot 25 and is fixedly connected to the threaded rod 26. After one side of the fixed seat 1 is attached to the wall, the servo motor 24 is turned on to drive the threaded rod 26 to rotate. The threaded rod 26 drives the T-block to move. The T-block drives the drilling and core sampling equipment 27 to move and adjust its position, thus demonstrating the convenience and practicality of the equipment.

[0032] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A core drilling device for main structural engineering inspection, characterized in that: The device includes a fixed base, with connecting plates fixedly connected to both sides of the bottom surface of the fixed base. Two dual-head motors are fixedly connected to the bottom surface of the fixed base near the other two sides. Two first worm gears are fixedly connected to both ends of the two dual-head motors. The outer walls of the four first worm gears are movably sleeved onto one side of the two connecting plates near one end. The outer walls of the four first worm gears are meshed with first worm wheels. The inner walls of the four first worm wheels are threaded with positioning pins. Sleeves are fixedly connected to the four corners of the bottom surface of the fixed base. Two limiting seats are fixedly connected to the inner walls of the four sleeves. The inner walls of the eight limiting seats are movably connected to the four first worm wheels.

2. The core drilling device for main structural engineering inspection according to claim 1, characterized in that: The outer walls of the four sleeves are provided with arc-shaped grooves on both sides, the four first worm gears are located in the arc-shaped grooves, and pulleys are fixedly connected to one side of the outer walls of the four sleeves.

3. The core drilling device for main structural engineering inspection according to claim 1, characterized in that: Each of the four corners of the inner bottom surface of the fixed base is fixedly connected to a sleeve plate, the outer wall of the four sleeve plates penetrates the top surface of the fixed base, and slots are opened on both sides of the four sleeve plates.

4. The core drilling device for main structural engineering inspection according to claim 3, characterized in that: Each of the four sleeve plates has a movable plate movably fitted inside, and each of the four movable plates has a connecting seat fixedly connected to its bottom end.

5. A core drilling device for main structural engineering inspection according to claim 4, characterized in that: Each of the four connecting seats is movably connected to a connecting rod. The outer walls of the four connecting rods pass through the eight slots and are movably connected to the four connecting seats. One end of each of the four connecting rods is fixedly sleeved with two transmission rods. One end of each of the four connecting rods is fixedly sleeved on the outer wall of the two transmission rods near both ends.

6. A core drilling device for main structural engineering inspection according to claim 5, characterized in that: Limiting blocks are movably fitted onto the outer walls of both transmission rods near their ends. A support frame is fixedly connected to the bottom surface of the four limiting blocks. The two sides of the support frame are fixedly connected to the opposite sides of the four sleeve plates. A second worm gear is fixedly fitted onto the middle of the outer walls of both transmission rods. A protective box is fixedly connected to the middle of the support frame. A second worm is rotatably connected inside the protective box. The outer walls of the two second worm gears mesh with the outer walls of the second worm. The middle of the outer walls of the two transmission rods is rotatably connected to the inside of the protective box near both sides. A drive motor is fixedly connected to the bottom end of the second worm. The drive motor is fixedly connected to the bottom surface of the protective box.

7. A core drilling device for main structural engineering inspection according to claim 6, characterized in that: A support plate is fixedly connected to the top surface of the four movable plates. A T-slot is formed in the middle of the top surface of the support plate. A threaded rod is rotatably connected in each T-slot. A T-block is threaded onto the outer wall of the threaded rod. A core drilling device is fixedly connected to the top surface of the T-block. The T-block is slidably connected in the T-slot. A servo motor is fixedly connected to one end of the threaded rod. The servo motor is fixedly connected to one side of the support plate.

Citation Information

Patent Citations

  • Drilling and coring device for engineering main body structure detection

    CN221925700U