Auxiliary fixing device for pile foundation bearing capacity detection

Abstract

The utility model provides an auxiliary fixing device for pile foundation bearing capacity detection. Comprising a knocking assembly; the guide rail assembly comprises a bearing frame, a guide rail frame and an assembling frame, and the bearing frame and the assembling frame are connected through the guide rail frame; the guide rail assembly is assembled on the base assembly in an inserted mode. Wherein the knocking assembly slides on the guide rail frame, a limiting assembly is arranged on the bearing frame, and after the limiting assembly relieves limiting of the knocking assembly, the knocking assembly automatically slides down along the guide rail frame to complete the impact action. Limiting control is conducted on the knocking assembly through the guide rail assembly, the running stability of the knocking assembly is improved in cooperation with the active release action, and uncontrollable conditions in the running process are reduced.

Description

Technical Field

[0001] The utility model belongs to the field of pile foundation bearing capacity, and in particular relates to an auxiliary fixing device for detecting pile foundation bearing capacity. Background Art

[0002] The high strain test of pile foundation bearing capacity is a test method to determine the vertical compressive bearing capacity and pile integrity of a single pile. During the experiment, a heavy hammer is used to impact the top of the pile, and the velocity and force time history curves at the top of the pile are measured, which are analyzed using wave theory.

[0003] The existing technology usually uses a crane to hoist the striking column to simulate the striking action of a heavy hammer. In this process, the striking column is mainly connected by cables. When the striking column contacts the top of the pile, it is easy to lose support and shake. At this stage, the striking column is prone to get out of control and induce a safety accident. Utility Model Content

[0004] The utility model provides an auxiliary fixing device for detecting the bearing capacity of a pile foundation, aiming to solve the problem that when a knocking column contacts the top of a pile, it loses its supporting force and shakes, which easily leads to loss of control and safety accidents.

[0005] The utility model is implemented as follows: a pile foundation bearing capacity detection auxiliary fixing device, comprising:

[0006] A knocking assembly, the knocking assembly comprising a knocking column and a guide rod;

[0007] A guide rail assembly, the guide rail assembly comprising a load-bearing frame, a guide rail frame and an assembly frame, the load-bearing frame and the assembly frame being connected via the guide rail frame;

[0008] A base assembly, the guide rail assembly is plugged and assembled on the base assembly;

[0009] The knocking assembly slides on the guide rail frame, and a limiting assembly is provided on the supporting frame. When the limiting assembly releases the limit on the knocking assembly, the guide rod automatically slides down along the guide rail frame to complete the impact action.

[0010] Preferably, the knocking column is arranged at one end of the guide rod close to the ground.

[0011] Preferably, the side wall of the guide rod is provided with a limiting groove, and the limiting assembly is engaged in the limiting groove.

[0012] Preferably, the knocking column is arranged at one end of the guide rod close to the ground, and a guide slider is provided on the side wall of the guide rod adjacent to the limit groove; the guide slider is adapted to the guide rail frame, and the guide slider slides between the guide rail frames.

[0013] Preferably, the limiting assembly is arranged inside the supporting frame, and the arrangement position of the limiting assembly corresponds to the position of the limiting groove.

[0014] Preferably, the limiting assembly comprises a limiting block and a rotating motor; the limiting block and the motor shaft of the rotating motor, the side wall of the supporting frame is provided with a port, and the limiting block extends from the port into the central area of ​​the supporting frame.

[0015] Preferably, an insertion port is provided at one end of the assembly frame away from the load-bearing frame, and the base assembly comprises a base and a mounting frame; a groove adapted to the insertion port is provided on the mounting frame.

[0016] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0017] The pile foundation bearing capacity detection auxiliary fixing device provided by the utility model mainly provides a sliding track for the guide rod through the guide rail frame. During the falling process, the knocking assembly knocks on the top of the pile foundation in a straight line, and the knocking assembly is limited and guided by the guide rail assembly. On the one hand, the deviation of the impact data during the experiment is reduced by maintaining linear motion. On the other hand, the knocking assembly is limited and controlled by the guide rail assembly, and the stability of the operation of the knocking assembly is improved in conjunction with the active release action, thereby reducing the occurrence of uncontrollable situations during the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a structural schematic diagram of a pile foundation bearing capacity detection auxiliary fixing device provided by the utility model.

[0019] Figure 2 The utility model provides a schematic structural diagram of a guide rail assembly and a base assembly of a pile foundation bearing capacity detection auxiliary fixing device.

[0020] Figure 3 It is a structural schematic diagram of a knocking component of a pile foundation bearing capacity detection auxiliary fixing device provided by the utility model.

[0021] Figure 4 The utility model is a structural schematic diagram of a middle guide rail assembly of a pile foundation bearing capacity detection auxiliary fixing device.

[0022] Figure 5 The utility model provides a schematic diagram of a limit assembly and a bearing frame structure of an auxiliary fixing device for pile foundation bearing capacity detection.

[0023] Figure 6 The utility model is a schematic diagram of the structure of a limit assembly of a pile foundation bearing capacity detection auxiliary fixing device.

[0024] Description of reference numerals:

[0025] 100, knocking assembly; 110, knocking column; 120, guide rod; 121, limit groove; 122, guide slider; 130, connecting ring;

[0026] 200, guide rail assembly; 210, load-bearing frame; 220, guide rail frame; 230, assembly frame; 240, limit assembly; 241, limit block; 242, rotating motor;

[0027] 300, base assembly; 310, base; 320, mounting frame; DETAILED DESCRIPTION

[0028] 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.

[0029] 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.

[0030] The utility model provides a pile foundation bearing capacity detection auxiliary fixing device, such as Figure 1-Figure 6 As shown, the pile foundation bearing capacity detection auxiliary fixing device comprises:

[0031] A knocking assembly 100, comprising a knocking column 110 and a guide rod 120; the knocking column 110 is disposed at one end of the guide rod 120 close to the ground;

[0032] A guide rail assembly 200, wherein the guide rail assembly 200 comprises a load-bearing frame 210, a guide rail frame 220 and an assembly frame 230, wherein the load-bearing frame 210 and the assembly frame 230 are connected via the guide rail frame 220;

[0033] A base assembly 300, wherein the guide rail assembly 200 is nested and assembled on the base assembly 300;

[0034] The guide rod 120 slides on the guide rail frame 220, the bearing frame 210 is provided with a limit assembly 240, the side wall of the guide rod 120 is provided with a limit groove 121, the limit assembly 240 is engaged in the limit groove 121, and when the limit assembly 240 releases the limit on the guide rod 120, the guide rod 120 automatically slides down along the guide rail frame 220 to complete the impact action;

[0035] The base assembly 300 is placed on the side of the pile foundation. During the experiment, a suitable position is selected to arrange the base assembly 300. After the guide rail assembly 200 and the knocking assembly 100 are limited, they are hoisted onto the base assembly 300 by the crane equipment as a whole and the knocking column 110 is directly facing the top. The guide rail assembly 200 limits and fixes the knocking assembly 100 in advance. When the alignment action is completed, the limit assembly 240 is released. At this time, the knocking assembly 100 will fall quickly along the guide rail assembly 200, allowing the knocking column 110 to knock on the pile foundation.

[0036] In this embodiment, the guide rail frame 220 mainly provides a sliding track for the guide rod 120. During the falling process, the knocking assembly 100 knocks on the top of the pile foundation in a straight line. The knocking assembly 100 is limited and guided by the guide rail assembly 200. On the one hand, the deviation of the impact data during the experiment is reduced by maintaining the linear motion. On the other hand, the knocking assembly 100 is protected by the guide rail assembly 200, and the active release action is cooperated to improve the operation stability of the knocking assembly 100, and reduce the occurrence of uncontrollable situations during the operation. This application is mainly a knocking hammer, and the knocking action provides a limit fixing function. The corresponding sensors and measuring equipment are arranged accordingly according to the pile foundation bearing capacity test method in the prior art, which will not be described in detail here.

[0037] As a preferred implementation in this embodiment, the knocking column 110 is arranged at one end of the guide rod 120 close to the ground, and a guide slider 122 is arranged on the side wall of the guide rod 120 adjacent to the limiting groove 121; the guide slider 122 is adapted to the guide rail frame 220, and the guide slider 122 slides between the guide rail frames 220;

[0038] There are two groups of guide rail frames 220, and the guide rail frames 220 are rectangular frame structures. The guide slider 122 slides in the central area of ​​the guide rail frames 220. It should be noted that the length of the knocking column 110 is much greater than the height of the base assembly 300. When the knocking column 110 reaches the top of the pile foundation at any height, the guide rod 120 will not reach the end of the track of the guide rail frame 220. A connecting ring 130 is provided on the top of the guide rod 120 for hoisting with a hook of a crane.

[0039] As a preferred implementation in this embodiment, a limiting assembly 240 is provided on the supporting frame 210; the arrangement position of the limiting assembly 240 corresponds to the position of the limiting groove 121;

[0040] In this embodiment, the limiting assembly 240 includes a limiting block 241 and a rotating motor 242; the limiting block 241 and the motor shaft of the rotating motor 242, the side wall of the carrying frame 210 is provided with a port, the limiting block 241 extends from the port into the central area of ​​the carrying frame 210, and the central area of ​​the carrying frame 210 is the area where the carrying frame 210 accommodates the guide rod 120 to pass; when the limiting groove 121 reaches the same height as the carrying frame 210, the limiting block 241 is deflected into the central area of ​​the carrying frame 210 by the rotation of the rotating motor 242, and when the limiting groove 121 falls back, the limiting block 241 will be held against the limiting groove 121, and the supporting surface of the limiting block 241 is kept parallel to the ground, and when released, the limiting groove 121 is deflected again and the support of the limiting block 241 is lost, and free fall motion will be performed;

[0041] As a preferred implementation in this embodiment, the assembly frame 230 is provided with an insertion port at one end away from the load-bearing frame 210, and the base assembly 300 includes a base 310 and a mounting frame 320; the mounting frame 320 is provided with a groove adapted to the insertion port.

[0042] The base 310 and the mounting frame 320 are provided with through holes for accommodating the knocking column 110 to pass through, and the assembly frame 230 is connected to the base assembly 300 by plugging.

[0043] 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.

[0044] 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 bearing capacity detection auxiliary fixing device, characterized in that: include: A knocking assembly, the knocking assembly comprising a knocking column and a guide rod; A guide rail assembly, the guide rail assembly comprising a load-bearing frame, a guide rail frame and an assembly frame, the load-bearing frame and the assembly frame being connected via the guide rail frame; A base assembly, the guide rail assembly is plugged and assembled on the base assembly; The knocking assembly slides on the guide rail frame, and a limiting assembly is provided on the supporting frame. When the limiting assembly releases the limit on the knocking assembly, the guide rod automatically slides down along the guide rail frame to complete the impact action.

2. A pile foundation bearing capacity detection auxiliary fixing device as claimed in claim 1, characterized in that: The knocking column is arranged at one end of the guide rod close to the ground.

3. A pile foundation bearing capacity detection auxiliary fixing device as claimed in claim 2, characterized in that: The side wall of the guide rod is provided with a limiting groove, and the limiting assembly is engaged in the limiting groove.

4. A pile foundation bearing capacity detection auxiliary fixing device as claimed in claim 3, characterized in that: The knocking column is arranged at one end of the guide rod close to the ground, and a guide slide block is arranged on the side wall of the guide rod adjacent to the limiting groove; the guide slide block is adapted to the guide rail frame, and the guide slide block slides between the guide rail frames.

5. The auxiliary fixing device for pile foundation bearing capacity detection according to claim 4, characterized in that: The limiting assembly is arranged inside the supporting frame, and the arrangement position of the limiting assembly corresponds to the position of the limiting groove.

6. The auxiliary fixing device for pile foundation bearing capacity detection according to claim 5, characterized in that: The limiting assembly includes a limiting block and a rotating motor; the limiting block and the motor shaft of the rotating motor, the side wall of the supporting frame is provided with a port, and the limiting block extends from the port into the central area of ​​the supporting frame.

7. The pile foundation bearing capacity detection auxiliary fixing device according to claim 6, characterized in that: An insertion port is provided at one end of the assembly frame away from the bearing frame, and the base assembly comprises a base and a mounting frame; a groove adapted to the insertion port is provided on the mounting frame.

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