Core drilling and sampling device for pile foundation detection
By introducing the design of the adjustment base and electric push rod into the drill core sampling device, the time-consuming and labor-intensive problem of the drill core sampling device when moving is solved, the horizontal adjustment and stability of the drill core head are achieved, and the sampling efficiency is improved.
Patent Information
- Application Number
- CN202422639060.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-10-31
AI Technical Summary
The existing drill core sampling device needs to be adjusted multiple times when moving to the next position, which is time-consuming and labor-intensive and cannot maintain a horizontal position.
The design of the adjustment base and the electric push rod is adopted. The adjustment base is driven to move the horizontally through the electric push rod, so as to adjust the horizontal position of the drill core head, avoid position deviation, and use the limit moving groove and universal wheel to improve the stability and safety of movement.
The horizontal adjustment of the core head is achieved, the convenience and stability of the porous core sampling is improved, the number of position adjustments is reduced, and the sampling efficiency is improved.
Smart Images

Figure CN223122557U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of core sampling, in particular to a core sampling device for pile foundation detection. Background Technique
[0002] Core sampling for pile foundation detection is a method for detecting the quality of pile foundations by drilling core samples of the pile body. Specifically, the core drilling method refers to using a geological drill to drill from the top of the pile to the bottom of the pile and enter a certain depth into the bearing stratum, taking core samples for condition and strength inspection to obtain the integrity of the pile body and the geotechnical properties of the bearing stratum;
[0003] For example, the Chinese authorized patent with the publication number CN219315839U (a core sampling device for pile foundation detection): includes an installation frame; a plurality of support rollers arranged at the bottom of the installation frame and a fixing component for fixing the installation frame; wherein, the fixing component includes locking rods arranged in an array around the installation frame; the locking rods are elastically and slidably installed on the mounting seats on the installation frame; a locking mechanism for locking the position of the locking rods is further arranged between the mounting seats and the locking rods; the locking mechanism is used to lock the position of the locking rods when the locking rods are inserted into the ground; and, a sampling component arranged on the installation frame, the sampling component includes a driving motor capable of lifting and a sampling drill rod arranged on the driving motor, and a protection mechanism for disconnecting the transmission between the driving motor and the sampling drill rod when the sampling drill rod gets stuck is arranged between the driving motor and the sampling drill rod. The utility model is convenient to use, has high safety and long service life.
[0004] However, after one core sampling is completed, the whole device needs to be moved to the second position. When the whole device is moved, it will not be in the horizontal position with the first one, and it needs to be adjusted back and forth many times, which is time-consuming and laborious; therefore, it does not meet the existing requirements, and for this reason, we propose a core sampling device for pile foundation detection. Summary of the Invention
[0005] The purpose of the utility model is to provide a core sampling device for pile foundation detection to solve the problem that after one core sampling is completed, the whole device needs to be moved to the second position. When the whole device is moved, it will not be in the horizontal position with the first one, and it needs to be adjusted back and forth many times, which is time-consuming and laborious as mentioned in the above background technique.
[0006] To achieve the above object, the present utility model provides the following technical solutions: A core drilling and sampling device for pile foundation detection, comprising: an adjustment base, a core drill head is provided at the upper end of the adjustment base, a water adding seat is provided at the upper end of the core drill head, a connection frame is provided outside the water adding seat, a moving frame is provided on one side of the connection frame, a fixed frame is provided on one side of the moving frame, an engine is provided at the upper end of the fixed frame, a moving bottom frame is provided at the lower end of the adjustment base, an installation groove is provided on the upper surface of the moving bottom frame, an electric push rod is provided inside the installation groove, and support heads are welded at both ends of the adjustment base.
[0007] Preferably, a fixed end seat is provided at the output end of the electric push rod, and the fixed end seat is connected to the adjustment base through an external bolt. The electric push rod is fixed to the installation groove through a push rod frame.
[0008] Preferably, limit moving grooves are provided on the upper surfaces of both sides of the moving bottom frame, and both ends of the limit moving grooves are in a through form.
[0009] Preferably, wheel frames are provided on the lower surfaces of both sides of the adjustment base. The wheel frames are rotatably connected to support moving wheels through wheel axles. Four support moving wheels are provided, and the support moving wheels move along the limit moving grooves.
[0010] Preferably, a second protective plate is provided at the open end of the installation groove, and both ends of the second protective plate are threadedly connected to the moving bottom frame through external bolts. A first protective plate is provided at the open upper end of the installation groove. A cavity penetrating up and down is provided on the surface of the adjustment base, and the first protective plate is located inside the cavity. Fixed pieces are provided at both ends of the first protective plate, and the fixed pieces are threadedly fixed to the inner wall of the cavity through external bolts.
[0011] Preferably, universal wheels are provided at the lower ends of the support heads and at the lower end corners of the moving bottom frame. A push handle is welded on the upper surface of one side of the adjustment base.
[0012] Preferably, support frames are provided at both ends of the moving frame. A connection frame is provided at the top of the support frame, and a threaded rod is provided at the center of the connection frame. A handwheel is threadedly connected to the outside of the threaded rod.
[0013] Compared with the prior art, the beneficial effects of the present utility model are:
[0014] The utility model realizes the adjustment of the core drill bit position by arranging a moving chassis at the lower end of the adjustment base, arranging an installation groove on the upper surface of the moving chassis, fixing the electric push rod through a push rod frame and the installation groove, and fixing the output end of the electric push rod to the lower surface of the adjustment base through an external bolt of a fixed end seat. After sampling at one position, it is not necessary to move the moving chassis. The electric push rod drives the adjustment base to move horizontally, so as to realize the adjustment of the core drill bit position, and the adjustment is horizontal without position deviation, which is convenient for multi-hole core sampling at the horizontal position without adjusting the overall position back and forth, improving the convenience and stability of quick positioning and sampling, and solving the problem that after one core sampling is completed in the prior art, it is necessary to move the whole to the second position, and when the whole is moved, it is not in the horizontal position with the first one and needs to be adjusted back and forth many times, which is time-consuming and laborious.
[0015] By arranging wheel frames at the lower ends of both sides of the adjustment base, the wheel frames are rotatably connected with supporting moving wheels through wheel axles. There are four supporting moving wheels, two in a group, respectively located at the lower ends of both sides of the adjustment base. Limit moving grooves are arranged on the upper surfaces of both sides of the moving chassis. When the adjustment base moves, the supporting head is supported and moved by universal wheels, and the supporting moving wheels move along the limit moving grooves, which plays a supporting role in the movement of the adjustment base and improves safety and stability. Brief Description of the Drawings
[0016] Figure 1 is the overall structural schematic diagram of the utility model;
[0017] Figure 2 is the overall right side view structural schematic diagram of the utility model;
[0018] Figure 3 is the bottom view structural schematic diagram of the adjustment base of the utility model;
[0019] Figure 4 is the top view structural schematic diagram of the moving chassis of the utility model;
[0020] In the figure: 1. Adjustment base; 2. Support frame; 3. Moving frame; 4. Threaded rod; 5. Handwheel; 6. Connecting frame; 7. Core drill bit; 8. Connecting frame; 9. Water adding seat; 10. Fixed frame; 11. Engine; 12. Push handle; 13. Support head; 14. Moving chassis; 15. Universal wheel; 16. Cavity; 17. First protective plate; 18. Fixed piece; 19. Second protective plate; 20. Supporting moving wheel; 21. Wheel frame; 22. Installation groove; 23. Electric push rod; 24. Fixed end seat; 25. Limit moving groove. Detailed Description of the Embodiment
[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0022] Please refer to Figures 1-4 , an embodiment provided by the present utility model: a core drilling sampling device for pile foundation detection, including: an adjustment base 1, a core drill head 7 is arranged at the upper end of the adjustment base 1, a water addition seat 9 is arranged at the upper end of the core drill head 7, a connection frame 8 is arranged outside the water addition seat 9, a moving frame 3 is arranged on one side of the connection frame 8, a fixed frame 10 is arranged on one side of the moving frame 3, an engine 11 is arranged at the upper end of the fixed frame 10, a moving base frame 14 is arranged at the lower end of the adjustment base 1, an installation groove 22 is arranged on the upper surface of the moving base frame 14, an electric push rod 23 is arranged inside the installation groove 22, support heads 13 are welded at both ends of the adjustment base 1, the output end of the electric push rod 23 is provided with a fixed end seat 24, and the fixed end seat 24 is fixed to the adjustment base 1 through an external bolt. The electric push rod 23 is fixed to the installation groove 22 through a push rod frame. Both ends of the moving frame 3 are provided with support frames 2, a connection frame 6 is arranged at the top of the support frame 2, and a threaded rod 4 is arranged at the center of the connection frame 6. A hand wheel 5 is threadedly connected to the outside of the threaded rod 4.
[0023] The electric push rod 23 is fixed to the installation groove 22 through a push rod frame, and the output end of the electric push rod 23 is fixed to the lower surface of the adjustment base 1 through an external bolt of the fixed end seat 24. The adjustment base 1 is driven to move horizontally by the electric push rod 23. After sampling at one position is completed, there is no need to move the moving base frame 14. The adjustment base 1 is driven to move horizontally by the electric push rod 23, so as to realize the position adjustment of the core drill head 7, and the adjustment is horizontal without position deviation, which is convenient for multi-hole core drilling sampling at the horizontal position without adjusting the overall position back and forth, improving the convenience and stability of rapid positioning and sampling.
[0024] Please refer to Figure 1 , 2 , 4, limiting movement grooves 25 are arranged on the upper surfaces of both sides of the moving base frame 14, and both ends of the limiting movement grooves 25 are in a through form. Wheel frames 21 are arranged on the lower surfaces of both sides of the adjustment base 1. The wheel frames 21 are rotatably connected to the support moving wheels 20 through wheel axles. Four support moving wheels 20 are provided, and the support moving wheels 20 move along the limiting movement grooves 25. Universal wheels 15 are arranged at the lower ends of the support heads 13 and at the lower end corners of the moving base frame 14. A push handle 12 is welded on the upper surface of one side of the adjustment base 1. It is convenient to push the whole to move through the push handle 12. When the adjustment base 1 moves, the support head 13 is supported and moved by the universal wheels 15, and the support moving wheels 20 move along the limiting movement grooves 25, which plays a supporting role in the movement of the adjustment base 1, improving safety and stability.
[0025] Please refer to Figure 2 and 4 One end of the installation groove 22 is provided with an opening and a second protective plate 19 is arranged at the opening. Both ends of the second protective plate 19 are threadedly connected to the movable chassis 14 through external bolts. The upper end of the installation groove 22 is provided with an opening and a first protective plate 17 is arranged at the opening. A cavity 16 penetrating up and down is arranged on the surface of the adjusting base 1. The first protective plate 17 is located inside the cavity 16. Fixing pieces 18 are arranged at both ends of the first protective plate 17. The fixing pieces 18 are threadedly fixed to the inner wall of the cavity 16 through external bolts. The two openings of the installation groove 22 are hermetically protected by the first protective plate 17 and the second protective plate 19, so as to protect the electric push rod 23 and improve safety.
[0026] Working principle: During use, the electric push rod 23 is fixed to the installation groove 22 through a push rod frame. The output end of the electric push rod 23 is fixed to the lower surface of the adjusting base 1 through an external bolt of a fixed end seat 24. The adjusting base 1 is driven by the electric push rod 23 to move horizontally, so as to realize the position adjustment of the core drill bit 7. When the adjusting base 1 moves, the supporting head 13 is supported and moved by universal wheels 15, and the supporting moving wheels 20 move along the limit moving groove 25, which plays a supporting role in the movement of the adjusting base 1 and improves safety and stability. The engine 11 drives the core drill bit 7 to rotate through a timing belt (not shown in the figure). By rotating the hand wheel 5, the core drill bit 7 is driven to move downward by the threaded rod 4, so as to perform core sampling on the pile foundation. Water is supplied to the core drill bit 7 through a water adding seat 9 to cool it down by sprinkling water. This is the prior art. After sampling at one position, it is not necessary to move the movable chassis 14. The adjusting base 1 is driven by the electric push rod 23 to move horizontally, so as to realize the position adjustment of the core drill bit 7, and the adjustment is horizontal without position deviation, which is convenient for multi-hole core sampling at the horizontal position without adjusting the overall position back and forth, and improves the convenience and stability of rapid positioning and sampling.
[0027] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.
Claims
1. A core drilling and sampling device for pile foundation detection, comprising an adjusting base (1), a core drill head (7) is arranged at the upper end of the adjusting base (1), a water adding seat (9) is arranged at the upper end of the core drill head (7), a connecting frame (8) is arranged outside the water adding seat (9), a moving frame (3) is arranged on one side of the connecting frame (8), a fixing frame (10) is arranged on one side of the moving frame (3), and an engine (11) is arranged at the upper end of the fixing frame (10), characterized in that: A moving chassis (14) is provided at the lower end of the adjusting base (1). An installation groove (22) is provided on the upper surface of the moving chassis (14). An electric push rod (23) is provided inside the installation groove (22). Support heads (13) are welded to both ends of the adjusting base (1).
2. The core sampling device for pile foundation inspection according to claim 1, characterized in that: A fixed end seat (24) is provided at the output end of the electric push rod (23), and the fixed end seat (24) is connected to the adjusting base (1) through an external bolt. The electric push rod (23) is fixed to the installation groove (22) through a push rod frame.
3. The core sampling device for pile foundation detection according to claim 1, wherein: Limit moving grooves (25) are provided on the upper surfaces of both sides of the moving chassis (14), and both ends of the limit moving grooves (25) are in a through form.
4. A core sampling device for pile foundation inspection according to claim 3, characterized in that: Wheel frames (21) are provided on the lower surfaces of both sides of the adjusting base (1). The wheel frames (21) are rotatably connected to support moving wheels (20) through wheel axles. Four support moving wheels (20) are provided, and the support moving wheels (20) move along the limit moving grooves (25).
5. The core sampling device for pile foundation detection according to claim 1, characterized in that: A second protective plate (19) is provided at one end opening of the installation groove (22), and both ends of the second protective plate (19) are threadedly connected to the moving chassis (14) through external bolts. A first protective plate (17) is provided at the upper end opening of the installation groove (22). A cavity (16) penetrating up and down is provided on the surface of the adjusting base (1), and the first protective plate (17) is located inside the cavity (16). Fixed pieces (18) are provided at both ends of the first protective plate (17), and the fixed pieces (18) are threadedly fixed to the inner wall of the cavity (16) through external bolts.
6. The core sampling device for pile foundation detection according to claim 1, characterized in that: Universal wheels (15) are provided at the lower ends of the support heads (13) and at the lower end corners of the moving chassis (14). A pushing handle (12) is welded to the upper surface of one side of the adjusting base (1).
7. A core sampling device for pile foundation inspection according to claim 1, characterized in that: Support frames (2) are provided at both ends of the moving frame (3). A connecting frame (6) is provided at the top end of the support frames (2), and a threaded rod (4) is provided at the center of the connecting frame (6). A hand wheel (5) is threadedly connected to the outside of the threaded rod (4).
Citation Information
Patent Citations
Core drilling and sampling device for pile foundation detection
CN219315839U