Pile foundation construction pore-forming detection device

Abstract

The utility model provides a pile foundation construction hole-forming detection device which comprises a center rod, side rods are arranged on the outer side of the center rod in a circumferential array mode, at least two parallel connecting rods are hinged to the sides, close to the center rod, of the side rods, supporting seats corresponding to the end portions of the connecting rods are arranged on the outer side of the center rod, and the end portions of the connecting rods are hinged to the supporting seats. An adjusting seat is arranged at the upper end of the center rod in a sliding mode, the connecting rods close to the adjusting seat are connected with the side face of the adjusting seat through adjusting arms, and an adjusting mechanism used for locking or releasing the adjusting seat and the center rod is arranged on the adjusting seat. According to the utility model, the position of the adjusting seat is moved on the central rod, and the adjusting seat drives the adjusting arm and the connecting rod to act, so that the diameter of a virtual circle formed by the outer sides of the side rods around the central rod can be adjusted, and therefore, adjustment can be carried out according to the designed apertures of different pile holes, and the device is suitable for detecting the pile holes with different designed apertures; the application range is wide.

Description

Technical Field

[0001] This utility model belongs to the field of pile foundation construction technology, and specifically relates to a pile foundation construction hole detection device. Background Technology

[0002] During the construction of bridge pile foundations, the diameter of the holes is detected by using a cage-type well gauge.

[0003] In the prior art, Chinese invention patent application CN113565492A discloses a cage-type wellbore measuring device for borehole diameter detection. This cage-type wellbore measuring device consists of annular main ribs, reinforcing ribs, positioning rings, connecting reinforcing bars, lifting rings, and vertical main ribs. During borehole diameter detection, it is lifted by a crane, ensuring it remains vertical, and then gradually lowered into the borehole of the corresponding diameter. Unobstructed movement up and down indicates that the borehole diameter is larger than the design diameter. However, the annular main ribs, reinforcing ribs, positioning rings, and connecting reinforcing bars are fixed together by welding, and their outer diameter is fixed after welding. Since the borehole diameter varies depending on different engineering requirements, geological conditions, and design standards, this device cannot be adjusted to detect boreholes with different design diameters.

[0004] Therefore, it is necessary to design a pile foundation construction hole detection device that can be adjusted to suit different design hole diameters and has a wide range of applications to solve the current technical problems. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this utility model provides a pile hole detection device that can be adjusted to suit different design hole diameters, and has a wide range of applications in pile foundation construction hole detection.

[0006] The technical solution of this utility model is as follows: a pile foundation construction hole forming detection device, including a central rod, with side rods arranged in a circular array on the outer side of the central rod, at least two parallel connecting rods hinged to the side rods near the central rod, a support seat corresponding to the end of the connecting rods provided on the outer side of the central rod, the end of the connecting rods being hinged to the support seat, an adjusting seat slidably provided on the upper end of the central rod, the connecting rods near the adjusting seat being connected to the side of the adjusting seat through adjusting arms, an adjusting mechanism for locking or releasing the adjusting seat from the central rod provided on the adjusting seat, a lifting ring provided on the upper end of the central rod, a telescopic mechanism provided on the lower end of the central rod, and a counterweight mechanism connected to the bottom end of the telescopic mechanism.

[0007] Furthermore, the adjusting mechanism has an adjusting tube that is slidably fitted on the outside of the central rod. The bottom end of the adjusting tube is fixedly connected to the adjusting seat. The central rod has a strip-shaped hole corresponding to the moving range of the adjusting tube. The adjusting tube is provided with a bolt and nut mechanism corresponding to the strip-shaped hole. The bolt and nut mechanism locks or releases the adjusting tube from the central rod.

[0008] Furthermore, the telescopic mechanism has a connecting screw fixedly disposed at the bottom end of the central rod, and a connecting tube is threadedly connected to the lower end of the connecting screw, and the counterweight mechanism is disposed at the lower end of the connecting tube.

[0009] Furthermore, the outer thread of the connecting screw is fitted with a locking nut that abuts against the upper end of the connecting screw tube.

[0010] Furthermore, the counterweight mechanism has a cylindrical cavity shell, and a counterweight block is disposed inside the shell.

[0011] Furthermore, a slide rod is slidably provided at the lower end of the housing along its axial direction, a contact is fixedly provided at the bottom end of the slide rod, and a limit switch corresponding to the top end of the slide rod is provided inside the housing.

[0012] Furthermore, a slider is fixedly provided at the top of the slide rod, and a sliding cavity matching the slider is provided inside the housing. The slider is slidably disposed inside the sliding cavity. A limit switch is fixedly provided inside the housing above the sliding cavity. The limit switch has a drive handle, which corresponds to the slider. A spring is fitted on the outside of the drive handle, and the lower end of the spring abuts against the top of the slider.

[0013] Furthermore, a sliding sealing ring is fixedly installed inside the housing and slidably fitted onto the outside of the slide rod.

[0014] Furthermore, diagonal braces are fixedly installed at both the upper and lower ends of the side rod, and the ends of the diagonal braces that are away from the side rod are inclined towards the central rod.

[0015] Furthermore, twelve side rods are arranged in a circular array on the outer side of the central rod.

[0016] The beneficial effects of this utility model are:

[0017] (1) In this utility model, by moving the position of the adjustment seat on the central rod, the adjustment arm and connecting rod are driven to move through the adjustment seat, so that the diameter of the virtual circle formed by the outer side of the side rods around the central rod can be adjusted. Thus, it can be adjusted according to the design diameter of different pile holes, so that it is suitable for pile hole detection with different design diameters and has a wide range of applications.

[0018] (2) During the process of adjusting the diameter of the virtual circle formed by the outer side rods around the center rod, the bottom end of the side rod will move down or up. At this time, the bottom end of the counterweight mechanism is far from the bottom end of the side rod. The height of the counterweight mechanism can be adjusted by the telescopic mechanism so that the height of the counterweight mechanism matches the height of the bottom end of the side rod. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the pile foundation construction hole detection device of this utility model.

[0020] Figure 2 for Figure 1 A magnified view of a portion of point A in the middle.

[0021] Figure 3 This is a schematic diagram of the counterweight mechanism and telescopic mechanism in this utility model. Detailed Implementation

[0022] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The descriptions of the exemplary embodiments are merely illustrative and are not intended to limit the present invention or its application or use in any way. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete, and to fully express the scope of the present invention to those skilled in the art. It should be noted that, unless otherwise specifically stated, the relative arrangement of components and steps, the composition of materials, numerical expressions, and values ​​set forth in these embodiments should be interpreted as merely exemplary and not as limiting.

[0023] The terms "first," "second," and similar words used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different parts. Words such as "including" or "comprising" mean that the element preceding the word encompasses the element listed after it, and do not exclude the possibility of encompassing other elements as well. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0024] like Figures 1 to 3As shown, the pile foundation drilling detection device includes a central rod 1. Side rods 2 are arranged in a circular array around the central rod 1. At least two parallel connecting rods 3 are hinged to the side of each side rod 2 near the central rod 1. A support seat 6 corresponding to the end of each connecting rod 3 is provided on the outer side of the central rod 1. The end of each connecting rod 3 is hinged to the support seat 6. An adjusting seat 5 is slidably provided on the upper end of the central rod 1. Each connecting rod 3 near the adjusting seat 5 is connected to the side of the adjusting seat 5 via an adjusting arm 4. One end of the adjusting arm 4 is hinged to the adjusting seat 5, and the other end is hinged to the connecting rod 3. An adjusting mechanism 7 is provided on the adjusting seat 5 for locking or releasing it from the central rod 1. A lifting ring 11 is provided on the upper end of the central rod 1, and a telescopic mechanism 9 is provided on the lower end of the central rod 1. The bottom end of the structure 9 is connected to a counterweight mechanism 8. In this embodiment, the position of the adjusting seat 5 is moved on the central rod 1, and the adjusting arm 4 and the connecting rod 3 are driven by the adjusting seat 5 to adjust the diameter of the virtual circle formed by the outer side of the side rods 2 around the central rod 1. This allows for adjustment according to the design diameter of different pile holes, making it suitable for pile hole detection with different design diameters and with a wide range of applications. During the adjustment of the diameter of the virtual circle formed by the outer side of the side rods 2 around the central rod 1, the bottom end of the side rod 2 will move downward or upward. At this time, the bottom end of the counterweight mechanism 8 is far from the bottom end of the side rod 2. The height of the counterweight mechanism 8 can be adjusted by the telescopic mechanism 9 to match the height of the bottom end of the side rod 2.

[0025] In some embodiments, as a specific implementation of the adjustment mechanism 7, the adjustment mechanism 7 has an adjustment tube 72 that is slidably fitted on the outside of the central rod 1. The bottom end of the adjustment tube 72 is fixedly connected to the adjustment seat 5. The central rod 1 has a strip hole 71 corresponding to the movement range of the adjustment tube 72. The adjustment tube 72 is provided with a bolt and nut mechanism 73 corresponding to the strip hole 71. The bolt and nut mechanism 73 locks or releases the adjustment tube 72 from the central rod 1. When the bolt and nut mechanism 73 is loosened, the adjustment tube 72 is released from the central rod 1. At this time, the adjustment tube 72 can drive the adjustment seat 5 to slide on the outside of the central rod 1 to adjust the diameter of the virtual circle formed by the outer sides of the side rods 2 around the central rod 1. After adjusting to the required diameter, the bolt and nut mechanism 73 is tightened, and the adjustment tube 72 is locked from the central rod 1, so that the diameter of the virtual circle formed by the outer sides of the side rods 2 around the central rod 1 remains fixed.

[0026] In some embodiments, as a specific implementation of the telescopic mechanism 9, the telescopic mechanism 9 has a connecting screw 91 fixedly disposed at the bottom end of the central rod 1, and a connecting screw tube 92 threadedly connected to the lower end of the connecting screw 91. The counterweight mechanism 8 is disposed at the lower end of the connecting screw tube 92. The connecting screw tube 92 rotates relative to the connecting screw 91. Through the threaded structure between the connecting screw 91 and the connecting screw tube 92, the connecting screw tube 92 can be driven to move up and down, thereby realizing the height adjustment of the counterweight mechanism 8.

[0027] In some embodiments, the outer thread of the connecting screw 91 is fitted with a locking nut 93 that abuts against the upper end of the connecting screw tube 92. After the height of the counterweight mechanism 8 is adjusted, the locking nut 93 can lock and fix the connecting screw 91 and the connecting screw tube 92.

[0028] In some embodiments, the counterweight mechanism 8 has a housing 81 with a cylindrical cavity structure, and a counterweight block 82 is provided inside the housing 81. The weight of the counterweight mechanism 8 is increased by the counterweight block 82, and the gravity of the counterweight block 82 is used to keep the pile foundation construction hole detection device vertical.

[0029] In some embodiments, a slide rod 83 is slidably disposed at the lower end of the housing 81 along its axial direction, and a contact 84 is fixedly disposed at the bottom end of the slide rod 83. A limit switch 88 corresponding to the top end of the slide rod 83 is disposed inside the housing 81. The limit switch 88 is connected to the ground equipment through a wire. On the one hand, power is supplied to the limit switch 88 through the wire, and on the other hand, a trigger signal of the limit switch 88 is sent to the ground equipment through the wire. When the pile foundation construction hole detection device touches the bottom, the contact 84 contacts the bottom surface, pushes the slide rod 83 to move upward to trigger the limit switch 88, and the limit switch 88 stops releasing the cable after being triggered.

[0030] In some embodiments, a slider 86 is fixedly provided at the top of the slide rod 83, and a sliding cavity 85 matching the slider 86 is provided inside the housing 81. The slider 86 is slidably disposed inside the sliding cavity 85. A limit switch 88 is fixedly provided inside the housing 81 above the sliding cavity 85. The limit switch 88 has a drive handle 881, which corresponds to the slider 86. A spring 89 is fitted on the outside of the drive handle 881. The lower end of the spring 89 abuts against the top of the slider 86, and the upper end of the spring 89 abuts against the body of the limit switch 88. When the contact 84 contacts the bottom surface, the slide rod 83 moves upward, compressing the spring 89 and triggering the limit switch 88. When the contact 84 does not contact the bottom surface, the elastic force of the spring 89 acts on the slider 86 to prevent it from contacting the drive handle 881 of the limit switch 88 and causing a false alarm.

[0031] In some embodiments, a sliding sealing ring 87 is fixedly provided inside the housing 81 and is slidably fitted on the outside of the slide rod 83, thereby increasing the sliding sealing between the slide rod 83 and the lower end of the housing 81.

[0032] In some embodiments, diagonal rods 21 are fixedly provided at both the upper and lower ends of the side rod 2, and the ends of the diagonal rods 21 that are away from the side rod 2 are inclined toward the center rod 1.

[0033] In some embodiments, twelve side rods 2 are arranged in a circular array on the outer side of the central rod 1.

[0034] The various embodiments of this utility model have now been described in detail. To avoid obscuring the concept of this utility model, some details known in the art have not been described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein based on the above description.

[0035] The embodiments described above only illustrate some implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A pile foundation drilling detection device, characterized in that: The device includes a central rod, with side rods arranged in a circular array on its outer side. At least two parallel connecting rods are hinged to the side rods near the central rod. A support seat corresponding to the end of each connecting rod is provided on the outer side of the central rod. The end of each connecting rod is hinged to the support seat. An adjusting seat is slidably provided on the upper end of the central rod. Each connecting rod near the adjusting seat is connected to the side of the adjusting seat via an adjusting arm. The adjusting seat is provided with an adjusting mechanism for locking or releasing it from the central rod. A lifting ring is provided on the upper end of the central rod, and a telescopic mechanism is provided on the lower end of the central rod. A counterweight mechanism is connected to the bottom end of the telescopic mechanism.

2. The pile foundation construction borehole detection device according to claim 1, characterized in that: The adjusting mechanism has an adjusting tube that is slidably fitted on the outside of the central rod. The bottom end of the adjusting tube is fixedly connected to the adjusting seat. The central rod has a strip-shaped hole corresponding to the moving range of the adjusting tube. The adjusting tube is provided with a bolt and nut mechanism corresponding to the strip-shaped hole. The bolt and nut mechanism locks or releases the adjusting tube from the central rod.

3. The pile foundation construction borehole detection device according to claim 1, characterized in that: The telescopic mechanism has a connecting screw fixedly installed at the bottom of the central rod, and a connecting tube is threadedly connected to the lower end of the connecting screw. The counterweight mechanism is installed at the lower end of the connecting tube.

4. The pile foundation construction hole detection device according to claim 3, characterized in that: The outer thread of the connecting screw is fitted with a locking nut that abuts against the upper end of the connecting tube.

5. The pile foundation drilling detection device according to claim 1, characterized in that: The counterweight mechanism has a cylindrical cavity shell, and a counterweight block is disposed inside the shell.

6. The pile foundation construction borehole detection device according to claim 5, characterized in that: A slide rod is slidably provided at the lower end of the housing along its axial direction, and a contact is fixedly provided at the bottom end of the slide rod. A limit switch corresponding to the top end of the slide rod is provided inside the housing.

7. The pile foundation construction borehole detection device according to claim 6, characterized in that: A slider is fixedly installed at the top of the slide rod. A sliding cavity matching the slider is provided inside the housing. The slider is slidably installed inside the sliding cavity. A limit switch is fixedly installed inside the housing above the sliding cavity. The limit switch has a drive handle. The drive handle corresponds to the slider. A spring is fitted on the outside of the drive handle. The lower end of the spring abuts against the top of the slider.

8. The pile foundation construction borehole detection device according to claim 6, characterized in that: The housing is internally fitted with a sliding sealing ring that is slidably fitted onto the outside of the slide rod.

9. The pile foundation drilling detection device according to claim 1, characterized in that: Both ends of the side rod are fixedly provided with diagonal rods, and the ends of the diagonal rods that are away from the side rods are inclined towards the central rod.

10. The pile foundation construction hole detection device according to claim 1, characterized in that: The outer side of the central rod is arranged in a circular array of twelve side rods.

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