Building engineering pile foundation quality detection sampling device
By designing a sampling device for quality testing of building pile foundations, which includes a rotating component, a lifting component, and a collection mechanism, the problem that existing devices cannot test bridge pile foundations has been solved. This device enables multi-angle and precise control of sampling, improving sampling efficiency and sample integrity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI ZHONGCHUNWEI CONSTRUCTION ENGINEERING CO LTD
- Filing Date
- 2025-05-28
- Publication Date
- 2026-05-08
AI Technical Summary
Existing sampling devices for quality testing of building foundation piles can only sample underground piles and cannot meet the testing needs of other types of piles, such as bridge piles.
A sampling device for quality testing of building pile foundations was designed, comprising a rotating component, a lifting component, and a collection mechanism. The device achieves multi-angle adjustment of the sampling direction and precise control of the sampling position through a drive motor driving the rotating shaft to rotate, a cylinder driving the moving plate to extend and retract, and a threaded transmission with a worm gear meshing with a worm wheel. The device also ensures the integrity of sample collection by driving the rotating rod and the drive gear through a servo motor.
It enables sampling of pile foundations at different depths and directions, improving sampling efficiency and accuracy, ensuring sample integrity, and facilitating subsequent testing and analysis.
Smart Images

Figure CN224216336U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building foundation quality testing technology, specifically a sampling device for testing the quality of building foundation piles. Background Technology
[0002] A pile foundation is a deep foundation consisting of piles and a pile cap. The piles transfer the load of the superstructure to a deep, stable soil or rock layer, solving problems such as insufficient bearing capacity and uneven settlement of shallow soil. In construction engineering, pile foundation quality testing and sampling are key steps to ensure the integrity, bearing capacity, and durability of the piles.
[0003] A sampling device for quality testing of building pile foundations, disclosed in CN220768190U, uses a baffle to block the through hole. When the sampling cylinder moves to the sampling point, a reduction motor is started to drive the rotating rod to rotate, retracting the baffle into the chamber. A sludge pump is then started to draw the sludge to be tested from the through hole into the sampling cylinder. After sampling is completed, the baffle is rotated again until the through hole is blocked, preventing the sludge from falling out of the sampling cylinder. The entire sampling process ensures the accuracy of the sample.
[0004] This sampling device for testing the quality of building foundation piles can drill and sample materials inside the piles through a sampling tube. However, there are many types of piles, some of which are directly buried underground, while bridge piles are located on the ground. This device can only sample and test piles underground and cannot sample and test other types of piles, so it needs to be improved. Utility Model Content
[0005] The purpose of this invention is to provide a sampling device for testing the quality of pile foundations in building engineering, so as to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a sampling device for quality testing of building foundation piles, comprising a self-locking universal wheel, a load-bearing plate fixedly connected to the top of the self-locking universal wheel, a hollow disc fixedly connected to the middle of the top of the load-bearing plate, a rotating lifting mechanism provided on the outer side of the top of the load-bearing plate, a limit bolt slidably connected to the inner side of the load-bearing plate, and a collection mechanism provided on the inner side of the hollow disc;
[0007] The rotating lifting mechanism includes a rotating component and a lifting component. The rotating component is disposed on the top of the load-bearing plate, and the lifting component is disposed inside the rotating component.
[0008] The rotating assembly includes a support plate, which is fixedly connected to the top left and right sides of the load-bearing plate. A drive motor is fixedly connected to the top right side of the support plate, and a rotating shaft is fixedly connected to the left side of the drive motor. The rotating shaft is rotatably connected to the inner side of the support plate. A rotating plate is fixedly connected to the middle of the outer periphery of the rotating shaft. Rotating disks are fixedly connected to the left and right sides of the outer periphery of the rotating shaft. A support frame is fixedly connected to the outer side of the support plate, and a cylinder is fixedly connected to the outer periphery of the support frame. A moving plate is fixedly connected to the inner side of the cylinder, a sliding rod is fixedly connected to the outer side of the moving plate, and an insert rod is fixedly connected to the inner side of the moving plate.
[0009] Preferably, there are two slide rods, which are fixedly connected to the outside of the movable plate and slidably connected to the inside of the support frame. The slide rods can limit the movement of the movable plate, making it more stable when the movable plate moves left and right.
[0010] Preferably, the support plate and the inner side of the rotating disk are provided with a circular hole corresponding to the position of the insertion rod, and the insertion rod is inserted into the inner side of the circular hole. Through the circular hole, the insertion rod can pass through the inner side of the support plate and be inserted into the interior of the rotating disk. By limiting the rotating disk, the rotating shaft and the rotating plate can be limited.
[0011] Preferably, the lifting assembly includes a pad plate, which is fixedly connected to the top of the rotating plate. A rotating motor is fixedly connected to the top of the pad plate, and a worm gear is fixedly connected to the back end of the rotating motor. A worm wheel meshes with the left side of the worm gear, and a support member is fixedly connected to the bottom of the worm wheel. A threaded rod is threadedly connected to the inner side of the worm wheel, and a fixed frame is fixedly connected to the bottom of the threaded rod. A limit rod is fixedly connected to the top left side of the fixed frame, and a first motor is fixedly connected to the inner side of the fixed frame. An auger rod is fixedly connected to the bottom of the first motor, and the auger rod is rotatably connected to the inner side of the fixed frame.
[0012] Preferably, the inner side of the rotating plate is provided with a circular groove corresponding to the movement trajectory of the support member, and the support member is slidably connected inside the circular groove. Through the circular groove, the support member can rotate inside the rotating plate. The support member can support the worm gear, making the worm gear more stable during rotation.
[0013] Preferably, the collecting mechanism includes a servo motor, which is fixedly connected to the top left side of the load-bearing plate. A rotating rod is fixedly connected to the top of the servo motor, and a drive gear is fixedly connected to the top of the rotating rod. A rotating gear meshes with the right side of the drive gear, and a support plate is fixedly connected to the bottom of the rotating gear. A scraper is fixedly connected to the inner side of the rotating plate.
[0014] Preferably, the hollow disk has a groove on its inner side that corresponds to the movement trajectory of the support disk, and the support disk is rotatably connected to the inside of the groove. Through the groove, the support disk can rotate inside the hollow disk.
[0015] Compared with the prior art, this utility model provides a sampling device for quality testing of building foundation piles, which has the following beneficial effects:
[0016] 1. In the sampling device for quality testing of pile foundations in this building project, the drive motor drives the rotating shaft to rotate, causing the rotating plate and rotating disk to rotate. In conjunction with the cylinder driving the moving plate to extend and retract the insertion rod, the positioning and locking of the rotating disk can be achieved, and the sampling direction can be adjusted at multiple angles.
[0017] Inside the lifting assembly, a rotating motor drives a worm gear to mesh with a worm wheel, which, combined with the helical transmission of a threaded rod, enables the lifting and lowering of the fixed frame and the auger rod. This allows for precise control of the sampling position according to the testing requirements at different depths of the pile foundation, greatly improving sampling efficiency and accuracy.
[0018] 2. The sampling device for quality testing of building foundation piles effectively solves the problem of sample collection after sampling. The servo motor drives the rotating rod and the drive gear to rotate. Through the meshing with the rotating gear, the support plate rotates inside the hollow plate. At the same time, the scraper on the inner side of the rotating plate scrapes the sample taken out by the auger rod onto the inner side of the hollow plate and the top of the load-bearing plate, avoiding sample scattering, ensuring sample integrity, and facilitating subsequent testing and analysis. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a front view structural diagram of the present invention;
[0021] Figure 2 This is a schematic diagram of the rotating lifting mechanism.
[0022] Figure 3 This is a schematic diagram of the rotating assembly structure;
[0023] Figure 4 This is a schematic diagram of the lifting assembly structure;
[0024] Figure 5 To collect schematic diagrams of the mechanism structure.
[0025] In the diagram: 1. Self-locking caster wheel; 2. Load-bearing plate; 3. Limit bolt; 4. Collection mechanism; 41. Support plate; 42. Servo motor; 43. Rotating rod; 44. Drive gear; 45. Rotating gear; 46. Scraper; 5. Rotating lifting mechanism; 51. Rotating assembly; 511. Support plate; 512. Cylinder; 513. Support frame; 514. Insert rod; 515. Rotating disk; 516. Rotating plate; 517. Rotating shaft; 518. Drive motor; 519. Moving plate; 5191. Slide rod; 52. Lifting assembly; 521. Worm gear; 522. Threaded rod; 523. Worm wheel; 524. Limit rod; 525. Support component; 526. Fixed frame; 527. First motor; 528. Screw rod; 529. Pad; 5291. Rotating motor; 6. Hollow disk. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0028] This utility model provides the following technical solution:
[0029] Example 1
[0030] Please see Figure 1-5 This utility model provides a technical solution: a sampling device for quality testing of pile foundation in building engineering, including a self-locking universal wheel 1, a load-bearing plate 2 fixedly connected to the top of the self-locking universal wheel 1, a hollow disc 6 fixedly connected to the middle of the top of the load-bearing plate 2, a rotating lifting mechanism 5 provided on the outer side of the top of the load-bearing plate 2, a limit bolt 3 slidably connected to the inner side of the load-bearing plate 2, and a collection mechanism 4 provided on the inner side of the hollow disc 6.
[0031] The rotating lifting mechanism 5 includes a rotating component 51 and a lifting component 52. The rotating component 51 is disposed on the top of the load-bearing plate 2, and the lifting component 52 is disposed inside the rotating component 51.
[0032] The rotating assembly 51 includes a support plate 511, which is fixedly connected to the top left and right sides of the load-bearing plate 2. A drive motor 518 is fixedly connected to the top right side of the support plate 511. A rotating shaft 517 is fixedly connected to the left side of the drive motor 518. The rotating shaft 517 is rotatably connected to the inner side of the support plate 511. A rotating plate 516 is fixedly connected to the middle of the outer periphery of the rotating shaft 517. Rotating disks 515 are fixedly connected to the left and right sides of the outer periphery of the rotating shaft 517. A support frame 513 is fixedly connected to the outer side of the support plate 511. A cylinder 512 is fixedly connected to the outer periphery of the support frame 513. A moving plate 519 is fixedly connected to the inner side of the cylinder 512. A sliding rod 5191 is fixedly connected to the outer side of the moving plate 519. A plug rod 514 is fixedly connected to the inner side of the moving plate 519.
[0033] Furthermore, there are two slide rods 5191. The two slide rods 5191 are fixedly connected to the outside of the moving plate 519, and the two slide rods 5191 are slidably connected to the inside of the support frame 513. The slide rods 5191 can limit the movement of the moving plate 519, making the moving plate 519 more stable during left and right movement.
[0034] Furthermore, the inner sides of the support plate 511 and the rotating disk 515 are provided with circular holes corresponding to the position of the insertion rod 514, and the insertion rod 514 is inserted into the inner side of the circular hole. Through the circular hole, the insertion rod 514 can pass through the inner side of the support plate 511 and be inserted into the interior of the rotating disk 515. By limiting the rotating disk 515, the rotating shaft 517 and the rotating plate 516 can be limited.
[0035] Example 2
[0036] Please see Figure 1-5 Furthermore, based on Embodiment 1, the lifting assembly 52 further includes a pad 529, which is fixedly connected to the top of the rotating plate 516. A rotating motor 5291 is fixedly connected to the top of the pad 529, and a worm gear 521 is fixedly connected to the back end of the rotating motor 5291. A worm wheel 523 is meshed on the left side of the worm gear 521, and a support member 525 is fixedly connected to the bottom of the worm wheel 523. A threaded rod 522 is threadedly connected to the inner side of the worm wheel 523, and a fixing frame 526 is fixedly connected to the bottom of the threaded rod 522. A limit rod 524 is fixedly connected to the top left side of the fixing frame 526, and a first motor 527 is fixedly connected to the inner side of the fixing frame 526. An auger rod 528 is fixedly connected to the bottom of the first motor 527, and the auger rod 528 is rotatably connected to the inner side of the fixing frame 526.
[0037] Furthermore, a circular groove corresponding to the movement trajectory of the support member 525 is provided on the inner side of the rotating plate 516, and the support member 525 is slidably connected inside the circular groove. Through the circular groove, the support member 525 can rotate inside the rotating plate 516. The support member 525 can support the worm gear 523, making the worm gear 523 more stable during rotation.
[0038] Example 3
[0039] Please see Figure 1-5 Furthermore, based on Embodiment 1, the collecting mechanism 4 further includes a servo motor 42, which is fixedly connected to the top left side of the load-bearing plate 2. A rotating rod 43 is fixedly connected to the top of the servo motor 42, and a drive gear 44 is fixedly connected to the top of the rotating rod 43. A rotating gear 45 meshes with the right side of the drive gear 44, and a support plate 41 is fixedly connected to the bottom of the rotating gear 45. A scraper 46 is fixedly connected to the inner side of the rotating plate 515.
[0040] Furthermore, a groove corresponding to the movement trajectory of the support plate 41 is provided on the inner side of the hollow plate 6, and the support plate 41 is rotatably connected to the inside of the groove. Through the groove, the support plate 41 can rotate inside the hollow plate 6.
[0041] In actual operation, when this device is used, the device is moved to a suitable position by the self-locking caster wheel 1. By pressing the foot pedal, the brake pads are made to make close contact with the edge of the wheel or the wheel axle to prevent the wheel from rotating. The limit bolt 3 is inserted into the ground through the load-bearing plate 2 to limit the caster wheel. The rotating motor 5291 and the first motor 527 are turned on at the same time through the control panel. The rotating motor 5291 drives the worm wheel 523 to rotate through the worm gear 521. The worm wheel 523 drives the fixed frame 526 and the first motor 527 to move downward through the threaded rod 522. The first motor 527 can drive the auger rod 528 to move downward, so that the auger rod 528 can penetrate the load-bearing plate 2 and be inserted into the pile foundation. The first motor 527 drives the auger rod 528 to rotate, so that the auger rod 528 can drill into the pile foundation. When the auger rod 528 rotates, the loose material rotates upward through the auger rod 528, so that the material can fall to the top of the load-bearing plate 2 and the inside of the hollow disc 6.
[0042] When it is necessary to collect materials, turn on the servo motor 42, so that the servo motor 42 drives the drive gear 44 to rotate through the rotating rod 43, so that the drive gear 44 drives the scraper 46 to rotate through the rotating gear 45, so that the scraper 46 can scrape the material inside the hollow disk 6, so that the material scattered inside the hollow disk 6 can be scraped and collected, making it convenient for staff to sample and test the material.
[0043] When quality inspection of the pile foundation side is required, the drive motor 518 is turned on, causing the drive motor 518 to drive the rotating plate 516 and the rotating disk 515 to rotate via the rotating shaft 517. After the rotating plate 516 rotates 90 degrees, it can rotate via the threaded rod 522 and the fixed frame 526, allowing the auger rod 528 to rotate 90 degrees. After the position of the auger rod 528 is adjusted, two cylinders 512 are turned on simultaneously via the control panel, causing the cylinders 512 to drive the insertion rod 514 to move via the moving plate 519. The insertion rod 514 penetrates the inside of the support plate 511 and inserts into the rotating disk 515, limiting the rotation disk 515 and making the auger rod 528 more stable during use. When drilling holes in the pile foundation side through the auger rod 528, the material can fall to the ground. After the staff collects the ground material, the pile foundation material can be sampled and tested.
[0044] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
Claims
1. A sampling device for quality testing of building foundation piles, comprising self-locking casters (1), characterized in that: The top of the self-locking caster (1) is fixedly connected to a load-bearing plate (2), and a hollow disc (6) is fixedly connected to the middle of the top of the load-bearing plate (2). A rotating lifting mechanism (5) is provided on the outer side of the top of the load-bearing plate (2). A limit bolt (3) is slidably connected to the inner side of the load-bearing plate (2). A collecting mechanism (4) is provided on the inner side of the hollow disc (6). The rotating lifting mechanism (5) includes a rotating component (51) and a lifting component (52). The rotating component (51) is located on the top of the load-bearing plate (2), and the lifting component (52) is located inside the rotating component (51). The rotating assembly (51) includes a support plate (511), which is fixedly connected to the top left and right sides of the load-bearing plate (2). A drive motor (518) is fixedly connected to the top right side of the support plate (511), and a rotating shaft (517) is fixedly connected to the left side of the drive motor (518). The rotating shaft (517) is rotatably connected to the inner side of the support plate (511). A rotating plate (516) is fixedly connected to the middle of the outer periphery of the rotating shaft (517). Rotating disks (515) are fixedly connected to the left and right sides of the outer periphery of the rotating shaft (517). A support frame (513) is fixedly connected to the outer side of the support plate (511). A cylinder (512) is fixedly connected to the outer periphery of the support frame (513). A moving plate (519) is fixedly connected to the inner side of the cylinder (512). A sliding rod (5191) is fixedly connected to the outer side of the moving plate (519). A plug rod (514) is fixedly connected to the inner side of the moving plate (519).
2. The sampling device for quality testing of building foundation piles according to claim 1, characterized in that: There are two slide rods (5191), which are fixedly connected to the outside of the movable plate (519) and slidably connected to the inside of the support frame (513).
3. The sampling device for quality testing of building foundation piles according to claim 1, characterized in that: The support plate (511) and the rotating disk (515) have circular holes on their inner sides that correspond to the position of the insertion rod (514), and the insertion rod (514) is inserted into the inner side of the circular hole.
4. The sampling device for quality testing of building foundation piles according to claim 1, characterized in that: The lifting assembly (52) includes a pad (529), which is fixedly connected to the top of the rotating plate (516). A rotating motor (5291) is fixedly connected to the top of the pad (529). A worm gear (521) is fixedly connected to the back end of the rotating motor (5291). A worm wheel (523) is engaged on the left side of the worm gear (521). A support member (525) is fixedly connected to the bottom of the worm wheel (523). A threaded rod (522) is threadedly connected to the inner side of the worm wheel (523). A fixing frame (526) is fixedly connected to the bottom of the threaded rod (522). A limit rod (524) is fixedly connected to the top left side of the fixing frame (526). A first motor (527) is fixedly connected to the inner side of the fixing frame (526). An auger rod (528) is fixedly connected to the bottom of the first motor (527). The auger rod (528) is rotatably connected to the inner side of the fixing frame (526).
5. A sampling device for quality testing of building pile foundations according to claim 4, characterized in that: The inner side of the rotating plate (516) is provided with a circular groove corresponding to the movement trajectory of the support member (525), and the support member (525) is slidably connected inside the circular groove.
6. The sampling device for quality testing of building foundation piles according to claim 1, characterized in that: The collecting mechanism (4) includes a servo motor (42), which is fixedly connected to the top left side of the load-bearing plate (2). A rotating rod (43) is fixedly connected to the top of the servo motor (42), and a drive gear (44) is fixedly connected to the top of the rotating rod (43). A rotating gear (45) meshes with the right side of the drive gear (44). A support plate (41) is fixedly connected to the bottom of the rotating gear (45), and a scraper (46) is fixedly connected to the inner side of the rotating plate (515).
7. A sampling device for quality testing of building foundation piles according to claim 6, characterized in that: The hollow disk (6) has a groove on its inner side that corresponds to the movement trajectory of the support disk (41), and the support disk (41) is rotatably connected to the inside of the groove.
Citation Information
Patent Citations
Building engineering pile foundation quality detection sampling device
CN220768190U