Drilling device for pile foundation
By designing a pile foundation drilling device with sliding plates and driving components, the problems of inaccurate drilling and insufficient adaptability in the prior art are solved, and efficient and accurate drilling operations and diversified use scenarios are achieved.
Patent Information
- Application Number
- CN202323644393.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2033-12-29
AI Technical Summary
The existing pile foundation drilling device is difficult to flexibly adjust the component position during installation, resulting in inaccurate drilling and insufficient adaptability under different geological conditions.
A drilling device including a transport vehicle, mounting plate, sliding plate and driving assembly is designed. The sliding plate is driven to move through the screw nut to achieve flexible adjustment of the component position, and the accuracy of the drilling is ensured through the angle motor and the propulsion cylinder.
It realizes efficient and precise operation of the drilling device, adapts to different geological conditions and engineering needs, and improves construction efficiency and equipment service life.
Smart Images

Figure CN222668137U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of engineering machinery, in particular to a drilling device for pile foundations. Background Art
[0002] The drilling device for pile foundation is a device used to install pile foundations in civil engineering. It installs the pile foundation into the ground by drilling holes, providing stable support and bearing capacity to support the weight of the building and other external loads. The device usually includes parts such as a drilling machine, a drill bit, a drill rod, a bracket and a control system, which can be selected and configured according to different geological conditions and engineering requirements. When installing the pile foundation, the drilling device can drill holes quickly and accurately, and ensure that the verticality and depth of the hole meet the design requirements. At the same time, the device can also achieve efficient and low-cost drilling operations by adjusting parameters such as the rotation speed, drilling pressure and feed speed of the drill bit. In the field of civil engineering, the application range of the drilling device for pile foundation is very wide. It can be used in the pile foundation construction of high-rise buildings, highways, bridges, tunnels and other projects to provide reliable foundation support and stability.
[0003] A Chinese patent with authorization announcement number CN112878903B discloses a drilling device for rectangular pile foundations, including a drill disc assembly and a discharge assembly. This drilling device has a unique design and can efficiently complete drilling and discharge operations. It is suitable for pile foundation drilling construction of different sizes, especially in the construction of installing prefabricated pipes. The positions of the disc drill bit and the plow head of the device are adjustable, which enables the device to adapt to the drilling construction of pile foundations of different sizes. Whether it is a large or small pile foundation, the device can provide accurate and efficient drilling services. In addition, due to its compact structure and easy operation, the device is particularly convenient for use in the construction of installing prefabricated pipes, which can significantly improve construction efficiency and reduce construction costs. Utility Model Content
[0004] In view of the above technical problems, the utility model discloses a drilling device for pile foundation, including a transport vehicle, a mounting plate fixedly mounted on the transport vehicle, a limit rod and a partition plate fixedly mounted in the middle position of the mounting plate, a first sliding plate and a second sliding plate slidably mounted on the limit rod, a driving assembly mounted on the mounting plate, driving the first sliding plate and the second sliding plate to slide, a drilling assembly mounted on the second sliding plate, a support plate fixedly mounted on the second sliding plate, a support plate fixedly mounted on the support plate, a second angle plate rotatably mounted on the support plate, and a mounting assembly mounted on the second angle plate. Through the above technical solution, different components can be mounted on the first sliding plate and the second sliding plate, and can work at the same time, complete drilling, or complete different tasks, and can adjust the distance by sliding the first sliding plate and the second sliding plate, so that the functions are more complete, the usage scenarios are more, and the work efficiency is high.
[0005] Furthermore, the driving assembly includes a first screw, which is rotatably mounted on a mounting plate, on which a first motor is fixedly mounted, a rotating shaft of the first motor is fixedly connected to the first screw, and a threaded hole is provided on the first sliding plate and cooperates with the first screw.
[0006] Furthermore, the driving assembly also includes a second motor, which is fixedly mounted on the mounting plate, a second lead screw is fixedly mounted on the rotating shaft of the second motor, the second lead screw is rotatably mounted on the mounting plate, and a threaded hole is provided on the second sliding plate and cooperates with the second lead screw. Through the above technical solution, the driving assembly uses the cooperation of the lead screw nut to drive the first sliding plate and the second sliding plate to move, thereby ensuring the accuracy of movement, and can also prevent the first sliding plate and the second sliding plate from moving during operation through the self-locking feature, thereby ensuring the accuracy of drilling.
[0007] Furthermore, the drilling assembly includes a first angle motor, which is fixedly mounted on one side of the second sliding plate, the first angle plate is fixedly mounted on the rotating shaft of the first angle motor, the first thrust cylinder is fixedly mounted on the first angle plate, the drilling motor is fixedly mounted on the cylinder arm of the first thrust cylinder, and a circular drill bit is fixedly mounted on the rotating shaft of the drilling motor.
[0008] Furthermore, the second angle motor of the mounting assembly is fixedly mounted on the support plate, a second angle plate is fixedly mounted on the rotating shaft of the second angle motor, the second angle plate is higher than the first thrust cylinder when parallel to the mounting plate, a second thrust cylinder is fixedly mounted on the second angle plate, and a connector is fixedly mounted on the cylinder wall of the second thrust cylinder. Through the above technical solution, the first motor can create a height difference between the second angle plate and the first angle plate, so that the mounting assembly and the drilling assembly will not interfere with each other, and will not be interfered with when erecting.
[0009] Furthermore, an auxiliary plate is fixedly mounted on the second angle plate, and when the second angle plate is parallel to the mounting plate, the auxiliary plate contacts the mounting plate. Through the above technical solution, the auxiliary plate can support the second angle plate to prevent the second angle plate from moving downward and affecting the service life of the parts.
[0010] Furthermore, a square drill bit is detachably mounted on the connecting head.
[0011] The beneficial effects of the utility model compared with the prior art are:
[0012] (1) Through the technical solution of the utility model, different components can be installed on the first sliding plate and the second sliding plate, and they can work at the same time to complete drilling or complete different tasks, and the distance can be adjusted by sliding the first sliding plate and the second sliding plate, so the functions are more complete, the usage scenarios are more, and the work efficiency is high.
[0013] (2) Through the technical solution of the utility model, the driving assembly uses the combination of the screw nut to drive the first sliding plate and the second sliding plate to move, thereby ensuring the accuracy of the movement. The self-locking feature can also prevent the first sliding plate and the second sliding plate from moving during operation, thereby ensuring the accuracy of drilling.
[0014] (3) Through the technical solution of the utility model, the first motor can create a height difference between the second angle plate and the first angle plate, so that the installation component and the drilling component will not interfere with each other and will not be interfered when erecting.
[0015] (4) Through the technical solution of the utility model, the auxiliary plate can support the second angle plate to prevent the second angle plate from moving downward and affecting the service life of the parts.
[0016] (5) Through the technical solution of the utility model, the connector can be disassembled and equipped with multiple functions to complete different tasks. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model.
[0018] Figure 2 Schematic diagram of the installation assembly of the embodiment of the utility model.
[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle.
[0020] Figure 4 This is a schematic diagram of a drilling assembly according to an embodiment of the utility model.
[0021] Figure 5 for Figure 4 Enlarged view of point B in the middle.
[0022] Figure numbers: 1-transport vehicle; 2-mounting plate; 3-first sliding plate; 4-second sliding plate; 5-limiting rod; 6-partition; 7-first motor; 8-first lead screw; 9-second motor; 10-second lead screw; 11-first angle motor; 12-round drill bit; 13-first angle plate; 14-drilling motor; 15-first thrust cylinder; 16-second angle motor; 17-support plate; 18-second angle plate; 19-square drill bit; 20-connecting head; 21-second thrust cylinder; 22-auxiliary plate. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0024] like Figure 1-Figure 5A drilling device for pile foundation shown in the figure includes a transport vehicle 1, a mounting plate 2 is fixedly mounted on the upper end of the transport vehicle 1, the mounting plate 2 is rectangular, a limit rod 5 and a partition 6 are fixedly mounted on the upper side of the mounting plate 2, a first sliding plate 3 and a second sliding plate 4 are slidably mounted on the limit rod 5, a driving assembly is mounted on the mounting plate 2, the driving assembly can drive the first sliding plate 3 and the second sliding plate 4 to slide, in the initial state, the first sliding plate 3 and the second sliding plate 4 are both in contact with the partition 6, and when in use, the first sliding plate 3 and the second sliding plate 4 are driven to move outward to different distances according to different needs.
[0025] In this embodiment, the driving assembly includes a first motor 7 and a second motor 9, which are both fixedly mounted on the mounting plate 2, a first lead screw 8 is fixedly mounted on the rotating shaft of the first motor 7, and a second lead screw 10 is fixedly mounted on the rotating shaft of the second motor 9, and the first lead screw 8 and the second lead screw 10 are both rotatably mounted on the mounting plate 2, two of the first motor 7 and the first lead screw 8 are respectively arranged on both sides of the first sliding plate 3, two of the second motor 9 and the second lead screw 10 are respectively arranged, and are respectively located on both sides of the second sliding plate 4, two threaded holes are arranged on the first sliding plate 3 and the second sliding plate 4, which are respectively matched with the first lead screw 8 and the second lead screw 10, and the driving assembly drives the first sliding plate 3 and the second sliding plate 4 to slide through the cooperation of the lead screw nut.
[0026] The second sliding plate 4 is equipped with a drilling assembly. In the present embodiment, the drilling assembly includes a first angle motor 11, on the rotating shaft of which a first angle plate 13 is fixedly mounted, and the first angle plate 13 is rotatably mounted on the second sliding plate 4. The first end of the first angle plate 13 is connected to the rotating shaft of the first angle motor 11, and the second end of the first angle plate 13 is fixedly equipped with a first thrust cylinder 15, on the cylinder arm of the first thrust cylinder 15 a drilling motor 14 is fixedly mounted, and on the rotating shaft of the drilling motor 14 a circular drill bit 12 is fixedly mounted. Starting the first angle motor 11 can erect the first angle plate 13, and starting the first thrust cylinder 15 and the drilling motor 14 can perform drilling.
[0027] A support plate 17 is fixedly mounted on the first sliding plate 3, a second angle plate 18 is hinged on the support plate 17, a mounting assembly is installed on the second angle plate 18, and the mounting assembly can be equipped with different functional parts for replacement, which specifically includes a second angle motor 16 in the present embodiment, the second angle motor 16 is fixedly mounted on the support plate 17, a second angle plate 18 is fixedly mounted on the rotating shaft of the second angle motor 16, a second thrust cylinder 21 is fixedly mounted on the second angle plate 18, a connecting head 20 is fixedly mounted on the cylinder arm of the second thrust cylinder 21, different components are detachably mounted on the mounting plate 2, and a square drill bit 19 is detachably mounted on the connecting head 20; an auxiliary plate 22 is fixedly mounted on the second angle plate 18 for support, the support plate 17 props up the second angle plate 18 to a certain height, when the second angle plate 18 and the mounting plate 2 are parallel, the auxiliary plate 22 contacts the mounting plate 2, and the distance between the second angle plate 18 and the mounting plate 2 is also sufficient to accommodate the drilling assembly.
[0028] The working principle of a drilling device for pile foundation in this embodiment is: move the transport vehicle 1 to the position where drilling is required, start the first motor 7 and the second motor 9, the first motor 7 and the second motor 9 drive the first screw 8 and the second screw 10 to rotate and then drive the first sliding plate 3 and the second sliding plate 4 to move away from each other, then stop, start the second angle motor 16, the second angle motor 16 drives the second angle plate 18 to rotate until the second angle plate 18 is at a predetermined angle, then start the first angle motor 11. The first angle motor 11 drives the first angle plate 13 to rotate to a predetermined angle, and now it is ready, start the first thrust cylinder 15 and the drilling motor 14, drill the predetermined position, the square drill bit 19 is installed on the connecting head 20, and start the second thrust cylinder 21 for drilling.
[0029] The present invention is further described above with the aid of specific embodiments. However, it should be understood that the specific description here should not be construed as limiting the essence and scope of the present invention. Various modifications made to the above embodiments by ordinary technicians in the field after reading this specification are all within the scope of protection of the present invention.
Claims
1. A drilling device for pile foundation, characterized in that: The invention comprises a transport vehicle (1), a mounting plate (2) is fixedly mounted on the transport vehicle (1), a limiting rod (5) and a partition plate (6) are fixedly mounted at the middle position of the mounting plate (2), a first sliding plate (3) and a second sliding plate (4) are slidably mounted on the limiting rod (5), a driving assembly is mounted on the mounting plate (2) to drive the first sliding plate (3) and the second sliding plate (4) to slide, a drilling assembly is mounted on the second sliding plate (4), a supporting plate (17) is fixedly mounted on the second sliding plate (4), a supporting plate (17) is fixedly mounted on the supporting plate (17), a second angle plate (18) is rotatably mounted on the supporting plate (17), and a mounting assembly is mounted on the second angle plate (18).
2. A pile foundation drilling device according to claim 1, characterized in that: The driving assembly comprises a first screw (8), the first screw (8) is rotatably mounted on a mounting plate (2), a first motor (7) is fixedly mounted on the mounting plate (2), a rotating shaft of the first motor (7) is fixedly connected to the first screw (8), and a threaded hole is arranged on the first sliding plate (3) and cooperates with the first screw (8).
3. A pile foundation drilling device according to claim 2, characterized in that: The driving assembly further comprises a second motor (9), the second motor (9) being fixedly mounted on the mounting plate (2), a second lead screw (10) being fixedly mounted on the rotating shaft of the second motor (9), the second lead screw (10) being rotatably mounted on the mounting plate (2), and a threaded hole being arranged on the second sliding plate (4) and cooperating with the second lead screw (10).
4. A pile foundation drilling device according to claim 3, characterized in that: The drilling assembly comprises a first angle motor (11), the first angle motor (11) is fixedly mounted on one side of a second sliding plate (4), a first angle plate (13) is fixedly mounted on the rotating shaft of the first angle motor (11), a first thrust cylinder (15) is fixedly mounted on the first angle plate (13), a drilling motor (14) is fixedly mounted on the cylinder arm of the first thrust cylinder (15), and a circular drill bit (12) is fixedly mounted on the rotating shaft of the drilling motor (14).
5. A pile foundation drilling device according to claim 4, characterized in that: The mounting assembly comprises a second angle motor (16), the second angle motor (16) is fixedly mounted on the support plate (17), a second angle plate (18) is fixedly mounted on the rotating shaft of the second angle motor (16), the second angle plate (18) is higher than the first thrust cylinder (15) when parallel to the mounting plate (2), a second thrust cylinder (21) is fixedly mounted on the second angle plate (18), and a connecting head (20) is fixedly mounted on the cylinder wall of the second thrust cylinder (21).
6. A pile foundation drilling device according to claim 5, characterized in that: An auxiliary plate (22) is fixedly mounted on the second angle plate (18); when the second angle plate (18) is parallel to the mounting plate (2), the auxiliary plate (22) contacts the mounting plate (2).
7. A pile foundation drilling device according to claim 6, characterized in that: The connecting head (20) is detachably provided with a square drill bit (19).
Citation Information
Patent Citations
A drilling device for rectangular pile foundations
CN112878903B