Pile foundation displacement measuring device

Abstract

The utility model provides a pile foundation displacement measuring device which comprises a follow-up assembly, a plurality of limiting assemblies are arranged on the inner wall of the follow-up assembly, and the follow-up assembly is assembled on the peripheral side of a pile foundation through the limiting assemblies; the base is nested on the outer side of the follow-up assembly; the limiting assembly comprises a sliding part, a sliding seat and an arc-shaped plate arranged at the front end of the sliding part, a lead screw adjusting structure is arranged in the sliding seat, and the lead screw adjusting structure drives the sliding part to move towards one side of the pile foundation along the sliding seat until the arc-shaped plate abuts against the side wall of the pile foundation; the direction of an adjusting part of the lead screw adjusting structure is the same as the axial direction of the follow-up assembly. According to the lead screw adjusting structure, the rotating plane in the operation direction of the adjusting component is parallel to the axial plane of the follow-up assembly, operators can observe and operate the follow-up assembly conveniently, and it is guaranteed that the follow-up assembly can be fully connected with a pile foundation.

Description

Technical Field

[0001] The utility model belongs to the technical field of pile foundation displacement measurement, and in particular relates to a pile foundation displacement measurement device. Background Art

[0002] In pile foundation testing, it is generally necessary to analyze and test the bearing capacity and settlement of the pile foundation, among which the settlement of the pile foundation can be analyzed through displacement measurement.

[0003] In the process of pile foundation bearing capacity and settlement detection, the traditional displacement equipment measurement device needs to be connected to the pile foundation. The existing technical equipment and the fastening method of the pile foundation have a cumbersome operation process, are difficult to observe, and are easy to affect the fixing effect, which brings inconvenience to the operator's fixing work. Utility Model Content

[0004] The utility model provides a pile foundation displacement measuring device, aiming to solve the problem that the current fastening method operation process is difficult to observe and easily affects the fixing effect, thus causing inconvenience to the fixing work of operators.

[0005] The utility model is implemented as follows: a pile foundation displacement measuring device comprises:

[0006] A follower assembly, wherein the inner wall of the follower assembly is provided with a plurality of groups of limit assemblies, and the follower assembly is assembled on the peripheral side of the pile foundation through the limit assemblies;

[0007] A base, wherein the base is nested outside the follower assembly;

[0008] The limit assembly includes a sliding member, a sliding seat and an arc-shaped plate arranged at the front end of the sliding member, wherein a lead screw adjustment structure is arranged in the sliding seat, and the lead screw adjustment structure drives the sliding member to move along the sliding seat toward one side of the pile foundation until the arc-shaped plate abuts against the side wall of the pile foundation;

[0009] Wherein, the adjustment component of the screw adjustment structure is oriented in the same axial direction as the follower assembly.

[0010] Preferably, a guide block is provided on the outer wall of the follower assembly, and the guide block slides in a guide groove provided on the inner wall of the base.

[0011] Preferably, the sliding member includes a main push plate, a front notch arranged at the front end of the main push plate and a sliding block arranged at the bottom of the main push plate.

[0012] Preferably, an arc-shaped plate is provided in the front notch, the arc-shaped plate is clamped in the front notch, screw holes are provided on the arc-shaped plate, and the front notch is fixedly connected to the arc-shaped plate by bolts.

[0013] Preferably, a sliding area and a guide groove are provided on the sliding seat, the sliding block slides in the sliding area, a lead screw adjustment structure is arranged in the guide groove, and the sliding block is connected to the lead screw adjustment structure.

[0014] Preferably, the screw adjustment structure comprises a screw, a drive rod and a drive block;

[0015] The driving rod is arranged inside the sliding seat, the lead screw is arranged parallel to the guide groove, the driving block slides in the guide groove and is assembled on the lead screw, and one end of the lead screw extends into the sliding seat and is meshed with the driving rod through a bevel gear.

[0016] Preferably, the driving rod comprises a shaft, a bearing and a driving gear, an extension hole is provided on the top of the sliding seat, the shaft extends out of the sliding seat through the extension hole, and a cross pattern is provided on the part of the shaft extending out of the sliding seat; the shaft is connected to the extension hole through the bearing, and the driving gear is meshed with a driven gear at one end of the lead screw close to the driving rod.

[0017] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0018] The utility model provides a pile foundation displacement measuring device in which a follower assembly is connected to the pile foundation via a lead screw adjustment structure. The operating direction of the component is adjusted by improving the lead screw adjustment structure so that its rotation plane is parallel to the axial plane of the follower assembly, thereby facilitating an operator to observe and operate the follower assembly and ensuring that it can be fully connected to the pile foundation, thereby reducing the occurrence of looseness due to improper fixation and thus causing inaccurate testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a structural schematic diagram of a pile foundation displacement measuring device provided by the utility model.

[0020] Figure 2 The utility model discloses a guide groove structure schematic diagram of a pile foundation displacement measuring device.

[0021] Figure 3 The utility model is a schematic diagram of the internal structure of a follower component of a pile foundation displacement measuring device.

[0022] Figure 4 The utility model is a structural schematic diagram of a middle limit assembly of a pile foundation displacement measuring device.

[0023] Figure 5 The utility model discloses a schematic diagram of a driving rod and a lead screw structure of a pile foundation displacement measuring device.

[0024] Figure 6 The utility model is a schematic diagram of an arc plate structure of a pile foundation displacement measuring device.

[0025] Description of reference numerals:

[0026] 100, follower assembly; 110, guide block;

[0027] 200, base; 210, guide groove; 220, sensor sheet;

[0028] 300, limit assembly; 310, sliding member; 311, front notch; 312, slider; 320, sliding seat; 321, sliding area; 322, guide groove; 323, guide rail; 331, lead screw; 332, drive rod; 333, drive block; 3321, shaft; 3322, bearing; 3323, drive gear; 340, arc plate. DETAILED DESCRIPTION

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0030] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0031] The utility model provides a pile foundation displacement measuring device. Figure 1-Figure 6 As shown, the pile foundation displacement measuring device comprises:

[0032] A follower assembly 100, wherein the inner wall of the follower assembly 100 is provided with a plurality of groups of limit assemblies 300, and the follower assembly 100 is assembled on the peripheral side of the pile foundation through the limit assemblies 300;

[0033] A base 200, wherein the base 200 is nested outside the follower assembly 100; a guide block 110 is provided on the outer wall of the follower assembly 100, and the guide block 110 slides in a guide groove 210 provided on the inner wall of the base 200;

[0034] The position limiting assembly 300 includes a sliding member 310, a sliding seat 320 and an arc plate 340 disposed at the front end of the sliding member 310. A lead screw adjustment structure is disposed in the sliding seat 320. The lead screw adjustment structure drives the sliding member 310 to move along the sliding seat 320 toward one side of the pile foundation until the arc plate 340 abuts against the side wall of the pile foundation.

[0035] The adjustment component of the screw adjustment structure is oriented in the same axial direction as the follower assembly 100. Since the adjustment component of the screw adjustment structure is oriented in the same axial direction as the follower assembly 100, the adjustment component can be operated from the axial plane of the follower assembly 100.

[0036] In the present application, the follower assembly 100 is an annular structure. The follower assembly 100 and the base 200 are placed outside the pile foundation in a nested manner, and the follower assembly 100 is in direct contact with the pile foundation through the limit assembly 300. After the follower assembly 100 is fixed to the pile foundation, the base 200 is usually in direct contact with the ground or other reference surfaces, and the follower assembly 100 will follow the pile foundation during the test. When the pile foundation is displaced due to the test, the follower assembly 100 obtains the displacement change according to the sliding distance between itself and the base 200.

[0037] The follower assembly 100 is connected to the pile foundation through a screw adjustment structure. The operating direction of the component is adjusted by improving the screw adjustment structure to make it parallel to the axial plane of the follower assembly 100, which is convenient for operators to operate and fix the follower assembly 100, ensuring that it can be fully connected to the pile foundation; reducing the looseness caused by improper fixation and thus causing inaccurate testing;

[0038] As a preferred implementation in this embodiment, the sliding member 310 includes a main push plate, a front notch 311 provided at the front end of the main push plate, and a sliding block 312 provided at the bottom of the main push plate;

[0039] The front notch 311 is provided with an arc plate 340, the arc plate 340 is clamped in the front notch 311, the arc plate 340 is provided with screw holes, the front notch 311 is fixedly connected to the arc plate 340 by bolts, the arc plate 340 and the front notch 311 are movably linked, and can be replaced as needed, and arc plates 340 with more arc structures can be used as abutting components;

[0040] The sliding seat 320 is provided with a sliding area 321 and a guide groove 322, the sliding block 312 slides in the sliding area 321, a lead screw adjustment structure is arranged in the guide groove 322, and the sliding block 312 is connected to the lead screw adjustment structure;

[0041] As a preferred implementation in this embodiment, the screw adjustment structure includes a screw 331, a driving rod 332 and a driving block 333; the driving rod 332 is arranged on one side of the sliding seat 320, the screw 331 is arranged parallel to the guide groove 322, and the screws 331 extend into the interior of the sliding seat 320; a limit bearing is provided inside the sliding seat 320, the screw 331 is assembled on the limit bearing, the screw 331 is assembled in the sliding seat 320 through the limit bearing, and the driving rod 332 is an adjustment component of the screw adjustment structure;

[0042] A receiving chamber is provided on one side of the sliding seat 320 where the driving rod 332 is arranged. The driving rod 332 passes through the top of the sliding seat 320 and extends into the receiving chamber. The driving rod 332 includes a shaft 3321, a bearing 3322 and a driving gear 3323. The shaft 3321 is connected to an extension hole provided on the top of the sliding seat 320 through the bearing 3322. The driving gear 3323 is provided at one end of the shaft 3321 extending into the receiving chamber. The shaft 3321 extends out of the sliding seat, and a cross pattern is provided on the portion of the shaft 3321 extending out of the sliding seat, which facilitates the insertion of a tool for rotation operation.

[0043] One end of the lead screw 331 close to the driving rod 332 extends into the accommodation chamber, and one end of the lead screw 331 close to the driving rod 332 is also provided with a driven gear; the driving gear 3323 is meshed and connected with the driven gear, and the lead screw 331 and the shaft 3321 are perpendicular to each other, and the meshing of the driving gear 3323 and the driven gear is a bevel gear structure, which helps to meet the needs of vertical transmission;

[0044] As a preferred implementation in this embodiment, the guide block 110 is provided with a photoelectric module, and a sensing sheet 220 is provided at the bottom of the guide groove 210; the photoelectric module completes the task of distance measurement by emitting laser to reach the sensing sheet 220.

[0045] In this embodiment, the photoelectric module and the sensor sheet 220 are both existing technology devices, mainly using the principle of laser ranging to obtain the displacement of the pile foundation by sensing the position changes of the base 200 and the follower assembly 100 through laser;

[0046] The guide groove 210 is provided with a baffle near the end surface of the base 200 to prevent the guide block 110 from slipping out of the guide groove 210. During the assembly process, the follower assembly 100 is generally lifted to the maximum height to allow the guide block 110 to abut against the baffle.

[0047] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0048] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A pile foundation displacement measuring device, characterized in that: include: A follower assembly, wherein the inner wall of the follower assembly is provided with a plurality of groups of limit assemblies, and the follower assembly is assembled on the peripheral side of the pile foundation through the limit assemblies; A base, wherein the base is nested outside the follower assembly; The limit assembly includes a sliding member, a sliding seat and an arc-shaped plate arranged at the front end of the sliding member, wherein a lead screw adjustment structure is arranged in the sliding seat, and the lead screw adjustment structure drives the sliding member to move along the sliding seat toward one side of the pile foundation until the arc-shaped plate abuts against the side wall of the pile foundation; Wherein, the adjustment component of the screw adjustment structure is oriented in the same axial direction as the follower assembly.

2. A pile foundation displacement measuring device as claimed in claim 1, characterized in that: The outer wall of the follower component is provided with a guide block, and the guide block slides in a guide groove provided on the inner wall of the base.

3. A pile foundation displacement measuring device as claimed in claim 2, characterized in that: The sliding member comprises a main push plate, a front notch arranged at the front end of the main push plate and a sliding block arranged at the bottom of the main push plate.

4. A pile foundation displacement measuring device as claimed in claim 3, characterized in that: An arc plate is arranged in the front notch, the arc plate is clamped in the front notch, screw holes are arranged on the arc plate, and the front notch is fixedly connected to the arc plate by bolts.

5. A pile foundation displacement measuring device as claimed in claim 4, characterized in that: The sliding seat is provided with a sliding area and a guide groove, the sliding block slides in the sliding area, a lead screw adjustment structure is arranged in the guide groove, and the sliding block is connected to the lead screw adjustment structure.

6. A pile foundation displacement measuring device as claimed in claim 5, characterized in that: The screw adjustment structure includes a screw, a drive rod and a drive block; The driving rod is arranged inside the sliding seat, the lead screw is arranged parallel to the guide groove, the driving block slides in the guide groove and is assembled on the lead screw, and one end of the lead screw extends into the sliding seat and is meshed with the driving rod through a bevel gear.

7. A pile foundation displacement measuring device as claimed in claim 6, characterized in that: The driving rod includes a shaft, a bearing and a driving gear. An extension hole is provided on the top of the sliding seat, and the shaft extends out of the sliding seat through the extension hole, and a cross pattern is provided on the part of the shaft extending out of the sliding seat; the shaft is connected to the extension hole through the bearing, and the driving gear is meshed with a driven gear at one end of the lead screw close to the driving rod.

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