Pile foundation bearing capacity detection device

Abstract

The utility model relates to the technical field of pile foundation detection, in particular to a pile foundation bearing capacity detection device which comprises a connecting cylinder, a positioning mechanism, a pressure plate, a settlement detection mechanism, an angle detection mechanism and a fixing mechanism, a reference cylinder is arranged outside the connecting cylinder; the positioning mechanism is arranged on the connecting cylinder; the pressure plate is connected with the connecting cylinder through a positioning mechanism; a plurality of groups of settlement detection mechanisms are arranged, and the settlement detection mechanisms are arranged on the peripheral surface of the connecting cylinder; a plurality of groups of angle detection mechanisms are arranged; and the multiple sets of fixing mechanisms are arranged, and the fixing mechanisms are installed on the peripheral face of the reference cylinder and used for fixing the reference cylinder to the ground. The positioning mechanism is arranged, the adjusting screw rod is rotated to fix the connecting cylinder, the connecting cylinder and the foundation pile are coaxially arranged at the same time, the connecting cylinder, the angle detection mechanism and the reference cylinder are arranged in a matched mode, the detection device is prevented from interfering with the original change form of the foundation pile, and the detection efficiency is improved. And the inclination direction and the inclination angle of the foundation pile can be judged.

Description

Technical Field

[0001] The utility model relates to the technical field of pile foundation detection, in particular to a pile foundation bearing capacity detection device. Background Art

[0002] A deep foundation consisting of a pile and a pile cap connected to the top of the pile, or a single pile foundation connected by a column and the pile foundation, is referred to as a pile foundation. If the pile body is completely buried in the soil and the bottom of the cap is in contact with the soil, it is called a low cap pile foundation. If the upper part of the pile body is exposed to the ground and the bottom of the cap is above the ground, it is called a high cap pile foundation. Building pile foundations are usually low cap pile foundations. Pile foundations are widely used in high-rise buildings. During pile foundation construction, the pile foundation needs to be tested for bearing capacity.

[0003] The Chinese patent with announcement number CN221218910U discloses a pile foundation bearing capacity detection device, including a mounting mechanism, the mounting mechanism includes a mounting tube and two support plates symmetrically fixed on both sides of its top surface, the bottom surfaces of the two support plates are fixedly connected with an insertion rod, and two symmetrically arranged settlement detection mechanisms are installed on the top of the inner wall of the mounting tube, the settlement detection mechanism includes a fixed plate and a sliding rod slidably inserted in the middle position thereof; a counterweight is hung on the top surface of the pressure plate, and the pressure plate presses the sliding rod downward through the top plate, and the downward movement of the sliding rod is the same as the settlement of the pile body. The downward movement of the sliding rod is detected by an infrared sensor group. When the pile body tilts, the threaded tube and the threaded rod are pushed by the contact ball, and the threaded tube rotates along the angle sensor. The angle sensor detects the rotation angle of the threaded tube, thereby judging the tilt direction and tilt angle of the pile body.

[0004] However, the above technical solution has the following shortcomings: in order to ensure that each contact ball effectively contacts the foundation pile, it is necessary to ensure that the installation tube and the foundation pile are coaxially set. During the actual installation process, the position of the installation tube needs to be continuously adjusted to ensure that the installation tube and the foundation pile are coaxially set. The installation accuracy requirements are relatively high. In addition, the pressure plate contacts the top of the foundation pile through the guide mechanism to apply test pressure to the foundation pile, which will cause the device to affect the lateral inclination of the foundation pile. The installation of the detection device affects the original change shape of the object being detected, resulting in deviations between the detection results and the actual situation. Utility Model Content

[0005] The utility model aims to solve the problems existing in the background technology and propose a pile foundation bearing capacity detection device.

[0006] The technical solution of the utility model is: a pile foundation bearing capacity detection device, comprising:

[0007] A connecting cylinder, the outside of which is provided with a reference cylinder;

[0008] A positioning mechanism is provided on the connecting tube and is used to fix the connecting tube to the pile;

[0009] A pressure plate connected to the connecting cylinder via a positioning mechanism;

[0010] Settlement detection mechanisms, which are provided in multiple groups, are arranged between the outer circumference of the connecting cylinder and the inner circumference of the reference cylinder to detect the settlement of the pile foundation;

[0011] An angle detection mechanism is provided with multiple groups, one end of the angle detection mechanism is connected to the connecting cylinder, and the other end of the angle detection mechanism is connected to the reference cylinder;

[0012] The fixing mechanism is provided with multiple groups and is installed on the outer peripheral surface of the reference cylinder for fixing the reference cylinder to the ground.

[0013] Preferably, the positioning mechanism includes a mounting plate, a limiting assembly and a transmission assembly; the mounting plate is fixedly connected to the connecting tube, the mounting plate is provided with a plurality of mounting grooves, the limiting assembly is provided with a plurality of corresponding to the mounting grooves, the limiting assembly is arranged in the mounting groove, the mounting plate is provided with a mounting cavity, the transmission assembly is arranged in the mounting cavity, and one end of the limiting assembly is transmission-connected to the transmission assembly.

[0014] Preferably, each set of limiting components includes an adjusting screw, a threaded sleeve and a limiting block; the adjusting screw is rotatably set in the mounting groove, one end of the adjusting screw extends into the mounting cavity, and the other end of the adjusting screw extends to the outside of the mounting disk, the threaded sleeve is slidably set in the mounting cavity, the threaded sleeve is threadedly connected to the adjusting screw, one end of the limiting block is fixedly connected to the threaded sleeve, and the other end of the threaded sleeve extends to the outside of the mounting disk through the mounting groove.

[0015] Preferably, the transmission assembly includes a mounting shaft, a bevel gear ring and a bevel gear; the mounting shaft is rotatably arranged in the mounting cavity, the bevel gear ring is fixedly connected to the mounting shaft, multiple bevel gears are provided and correspond one-to-one with the adjusting screw, and the bevel gear is fixedly connected to the adjusting screw.

[0016] Preferably, each set of settlement detection mechanisms includes a telescopic rod and an indicator plate; one end of the telescopic rod is fixedly connected to the outer circumference of the connecting tube, the indicator plate is fixedly connected to the movable end of the telescopic rod, and the indicator plate contacts the inner wall of the reference tube.

[0017] Preferably, each set of angle detection mechanisms includes a detection rod, a movable cylinder, a limit ring, a positioning ring and a limit spring; the detection rod is rotatably arranged on the outer peripheral surface of the connecting cylinder, the movable cylinder is slidably arranged on the surface of the detection rod, the reference cylinder is penetrated by a movable hole in the vertical direction, the movable cylinder penetrates the reference cylinder through the movable hole, two limit rings are provided, the two limit rings are respectively fixedly connected to the two ends of the movable cylinder, the positioning ring is fixedly connected to the detection rod, one end of the limit spring is connected to the limit ring, and the other end of the limit spring is connected to the positioning ring.

[0018] Preferably, each set of fixing mechanisms includes a support plate and a fixing rod; the support plate is fixedly connected to the outer circumference of the reference cylinder, and the fixing rod passes through the support plate and is slidably connected to the support plate.

[0019] Compared with the prior art, the above technical solution of the present invention has the following beneficial technical effects:

[0020] The utility model adopts the setting of the positioning mechanism, and when the adjusting screw rod is rotated, the transmission component drives each limit block to move simultaneously to clamp the pile from the side of the pile, thereby completing the fixation of the connecting tube and realizing the coaxial setting of the connecting tube and the pile, which greatly optimizes the installation steps. Moreover, through the coordinated setting among the connecting tube, the angle detection mechanism and the reference tube, the detection device is prevented from interfering with the original change shape of the pile, and the inclination direction and inclination angle of the pile can be judged at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A perspective view of an embodiment of the present invention;

[0022] Figure 2 This is a cross-sectional view of a positioning mechanism in an embodiment of the present invention;

[0023] Figure 3 A cross-sectional view of a positioning mechanism from a second perspective in an embodiment of the present invention;

[0024] Figure 4 This is a three-dimensional diagram of an angle detection mechanism in an embodiment of the present invention.

[0025] Figure markings: 1. Connecting cylinder; 2. Reference cylinder; 3. Positioning mechanism; 31. Mounting plate; 32. Limiting assembly; 321. Adjusting screw; 322. Threaded sleeve; 323. Limiting block; 33. Transmission assembly; 331. Mounting shaft; 332. Bevel gear ring; 333. Bevel gear; 34. Mounting groove; 35. Mounting cavity; 4. Settlement detection mechanism; 41. Telescopic rod; 42. Indicator plate; 5. Angle detection mechanism; 51. Detection rod; 52. Movable cylinder; 53. Limiting ring; 54. Positioning ring; 55. Limiting spring; 6. Fixing mechanism; 61. Support plate; 62. Fixing rod; 7. Pressure plate; 8. Movable hole. DETAILED DESCRIPTION

[0026] Example 1

[0027] like Figure 1-4 As shown, the present invention proposes a pile foundation bearing capacity detection device, comprising a connecting tube 1, a positioning mechanism 3, a pressure plate 7, a settlement detection mechanism 4, an angle detection mechanism 5 and a fixing mechanism 6;

[0028] A reference cylinder 2 is provided outside the connecting cylinder 1;

[0029] The positioning mechanism 3 is provided on the connecting tube 1 and is used to fix the connecting tube 1 to the pile;

[0030] The pressure plate 7 is connected to the connecting cylinder 1 through the positioning mechanism 3, and the bottom of the pressure plate 7 is used to place the counterweight;

[0031] There are multiple sets of settlement detection mechanisms 4, which are arranged between the outer circumference of the connecting tube 1 and the inner circumference of the reference tube 2 to detect the settlement of the pile foundation;

[0032] The angle detection mechanism 5 is provided with multiple groups, one end of the angle detection mechanism 5 is connected to the connecting cylinder 1, and the other end of the angle detection mechanism 5 is connected to the reference cylinder 2;

[0033] There are multiple sets of fixing mechanisms 6 , which are installed on the outer circumference of the reference cylinder 2 to fix the reference cylinder 2 to the ground.

[0034] Example 2

[0035] like Figure 1-3 As shown, the present invention proposes a pile foundation bearing capacity detection device. Compared with the first embodiment, the present embodiment further specifically discloses the structure of the positioning mechanism 3; the positioning mechanism 3 includes a mounting plate 31, a limiting assembly 32 and a transmission assembly 33; the mounting plate 31 is fixedly connected to the connecting tube 1, and the mounting plate 31 is provided with a plurality of mounting grooves 34, and the limiting assembly 32 is provided with a plurality of and corresponds to the mounting grooves 34 one to one, the limiting assembly 32 is arranged in the mounting groove 34, and the mounting plate 31 is provided with a mounting cavity 35, and the transmission assembly 33 is arranged in the mounting cavity 35, and one end of the limiting assembly 32 is transmission-connected with the transmission assembly 33, and each group of limiting assemblies 32 includes an adjusting screw rod 321, a threaded sleeve 322 and a limiting block 323; the adjusting screw rod 321 is rotatably arranged in the mounting groove 34, and one end of the adjusting screw rod 321 is The cam 322 is fixedly provided with a screw thread on the top of the adjusting screw 321 and the screw thread on the adjusting screw 321, and the cam 322 is fixedly provided with a screw thread on the adjusting screw 321. The cam 322 is fixedly provided with a screw thread on the adjusting screw 321, and the cam 322 is fixedly provided with a screw thread on the adjusting screw 321. The cam 322 is fixedly provided with a screw thread on the adjusting screw 321. The cam 322 is fixedly provided with a screw thread on the adjusting screw 321. The cam 322 is fixedly provided with a screw thread on the adjusting screw 321. The cam 322 is fixedly provided with a screw thread on the adjusting screw 321. The cam 322 is fixedly provided with a screw thread on the adjusting screw 321.

[0036] Example 3

[0037] like Figure 1As shown, the present invention proposes a pile foundation bearing capacity detection device. Compared with the second embodiment, this embodiment further specifically discloses the structure of the settlement detection mechanism 4; each set of settlement detection mechanisms 4 includes a telescopic rod 41 and an indicator plate 42; one end of the telescopic rod 41 is fixedly connected to the outer peripheral surface of the connecting tube 1, and the indicator plate 42 is fixedly connected to the movable end of the telescopic rod 41, and the indicator plate 42 is in contact with the inner wall of the reference tube 2.

[0038] Example 4

[0039] like Figure 1-4 As shown, the utility model proposes a pile foundation bearing capacity detection device. Compared with the third embodiment, this embodiment further specifically discloses the structure of the angle detection mechanism 5; each group of angle detection mechanisms 5 includes a detection rod 51, a movable cylinder 52, a limiting ring 53, a positioning ring 54 and a limiting spring 55; the detection rod 51 is rotatably set on the outer peripheral surface of the connecting cylinder 1, and the movable cylinder 52 is slidably set on the surface of the detection rod 51. The reference cylinder 2 is penetrated by a movable hole 8 in the vertical direction, and the movable cylinder 52 passes through the reference cylinder 2 through the movable hole 8. There are two limiting rings 53, and the two limiting rings 53 are respectively fixedly connected to the two ends of the movable cylinder 52, and the positioning ring 54 is fixedly connected to the detection rod 51. One end of the limiting spring 55 is connected to the limiting ring 53, and the other end of the limiting spring 55 is connected to the positioning ring 54.

[0040] Example 5

[0041] like Figure 1 As shown, the present invention proposes a pile foundation bearing capacity detection device. Compared with the fourth embodiment, this embodiment further specifically discloses the structure of the fixing mechanism 6; each set of fixing mechanisms 6 includes a support plate 61 and a fixing rod 62; the support plate 61 is fixedly connected to the outer peripheral surface of the reference cylinder 2, and the fixing rod 62 passes through the support plate 61 and is slidably connected to the support plate 61.

[0042] The screw rod 321 is rotated to move the fixing rod 323, and the fixing rod 323 is fixed to the ground, so that the fixing rod 323 is tightened and the fixing rod 323 is tightened. With reference to the fixation of the reference cylinder 2, the values ​​on the indicator plate 42 and the detection rod 51 are read and recorded, and then the counterweight is placed above the pressure plate 7. When the foundation pile sinks, the settlement of the connecting cylinder 1 is the same as that of the foundation pile, and the connecting cylinder 1 sinks together with the foundation pile. When the connecting cylinder 1 moves downward, the telescopic rod 41 drives the indicator plate 42 to move downward together. The value on the indicator plate 42 is read and compared with the initial value to obtain the settlement amount. If the foundation pile tilts, the detection rod 51 and the movable cylinder 52 at the corresponding position will be pushed to slide. The value after the detection rod 51 slides is read and compared with the initial value to determine the tilt direction and tilt angle of the foundation pile.

[0043] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A pile foundation bearing capacity detection device, characterized in that: include: A connecting cylinder (1) is provided with a reference cylinder (2) on the outside thereof; A positioning mechanism (3) is provided on the connecting tube (1), and the positioning mechanism (3) is used to fix the connecting tube (1) to the pile; A pressure plate (7) connected to the connecting cylinder (1) via a positioning mechanism (3); A settlement detection mechanism (4) is provided in multiple groups. The settlement detection mechanism (4) is provided between the outer peripheral surface of the connecting cylinder (1) and the inner peripheral surface of the reference cylinder (2) for detecting the settlement of the pile foundation; An angle detection mechanism (5) is provided in multiple groups, one end of the angle detection mechanism (5) is connected to the connecting cylinder (1), and the other end of the angle detection mechanism (5) is connected to the reference cylinder (2); The fixing mechanism (6) is provided in multiple groups. The fixing mechanism (6) is installed on the outer peripheral surface of the reference cylinder (2) and is used to fix the reference cylinder (2) to the ground.

2. A pile foundation bearing capacity detection device according to claim 1, characterized in that: The positioning mechanism (3) comprises a mounting plate (31), a limiting assembly (32) and a transmission assembly (33); the mounting plate (31) is fixedly connected to the connecting tube (1); the mounting plate (31) is provided with a plurality of mounting grooves (34); the limiting assembly (32) is provided with a plurality of mounting grooves (34) corresponding to the mounting grooves (34); the limiting assembly (32) is arranged in the mounting groove (34); a mounting cavity (35) is provided in the mounting plate (31); the transmission assembly (33) is arranged in the mounting cavity (35); and one end of the limiting assembly (32) is in transmission connection with the transmission assembly (33).

3. A pile foundation bearing capacity detection device according to claim 2, characterized in that: Each set of limiting components (32) includes an adjusting screw (321), a threaded sleeve (322) and a limiting block (323); the adjusting screw (321) is rotatably arranged in the installation groove (34), one end of the adjusting screw (321) extends into the installation cavity (35), the other end of the adjusting screw (321) extends to the outside of the installation disk (31), the threaded sleeve (322) is slidably arranged in the installation cavity (35), the threaded sleeve (322) is threadedly connected to the adjusting screw (321), one end of the limiting block (323) is fixedly connected to the threaded sleeve (322), and the other end of the threaded sleeve (322) extends to the outside of the installation disk (31) through the installation groove (34).

4. A pile foundation bearing capacity detection device according to claim 3, characterized in that: The transmission assembly (33) includes a mounting shaft (331), a bevel gear ring (332) and a bevel gear (333); the mounting shaft (331) is rotatably arranged in the mounting cavity (35); the bevel gear ring (332) is fixedly connected to the mounting shaft (331); a plurality of bevel gears (333) are provided and correspond one to one with the adjusting screw rod (321); and the bevel gears (333) are fixedly connected to the adjusting screw rod (321).

5. A pile foundation bearing capacity detection device according to claim 1, characterized in that: Each set of settlement detection mechanisms (4) comprises a telescopic rod (41) and an indicator plate (42); one end of the telescopic rod (41) is fixedly connected to the outer peripheral surface of the connecting cylinder (1); the indicator plate (42) is fixedly connected to the movable end of the telescopic rod (41); and the indicator plate (42) contacts the inner wall of the reference cylinder (2).

6. A pile foundation bearing capacity detection device according to claim 1, characterized in that: Each set of angle detection mechanisms (5) comprises a detection rod (51), a movable cylinder (52), a limiting ring (53), a positioning ring (54) and a limiting spring (55); the detection rod (51) is rotatably arranged on the outer peripheral surface of the connecting cylinder (1); the movable cylinder (52) is slidably arranged on the surface of the detection rod (51); a movable hole (8) is vertically penetrated through the reference cylinder (2); the movable cylinder (52) penetrates the reference cylinder (2) through the movable hole (8); two limiting rings (53) are provided, and the two limiting rings (53) are respectively fixedly connected to the two ends of the movable cylinder (52); the positioning ring (54) is fixedly connected to the detection rod (51); one end of the limiting spring (55) is connected to the limiting ring (53); and the other end of the limiting spring (55) is connected to the positioning ring (54).

7. A pile foundation bearing capacity detection device according to claim 1, characterized in that: Each set of fixing mechanisms (6) comprises a support plate (61) and a fixing rod (62); the support plate (61) is fixedly connected to the outer peripheral surface of the reference cylinder (2); the fixing rod (62) passes through the support plate (61) and is slidably connected to the support plate (61).

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