CN219198758U

CN219198758U - Adjustable reference device

Info

Publication number: CN219198758U
Application number: CN202223579068.9U
Authority: CN
Inventors: 孙东东; 翟明隽; 严文根; 刘建朋; 刘晓东; 彭建华
Original assignee: China Sinogy Electric Engineering Co Ltd
Current assignee: China Sinogy Electric Engineering Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-16
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses an adjustable reference device, which comprises two bases and reference beams arranged on the bases, wherein the bases comprise vertical plates, fixing bolts, bottom plates and fixing columns; the vertical plate is fixedly connected above the bottom plate, and a plurality of adjusting screw holes are formed in the vertical direction at intervals; the fixed column is arranged below the bottom plate; the reference beam is of a sleeve structure and is formed by connecting a plurality of sections of sub-sleeves in a matching way through hole shafts; and connecting screw holes are formed in two ends of the reference beam and fixedly connected with the vertical plate through the fixing bolts. When the base is used, the four fixing columns of the base are firstly inserted into the ground, then the end part of the reference beam is fixed between the two vertical plates through the fixing bolts, the length of the reference beam can be adjusted in a telescopic mode, and in addition, the installation height of the reference beam can be adjusted by switching adjusting screw holes with different heights.

Description

Adjustable reference device

Technical Field

The utility model relates to the field of geotechnical engineering foundation detection, in particular to an adjustable reference device.

Background

The foundation pile static load test is the most direct and effective means for detecting the construction quality and bearing capacity of engineering piles, the settlement of foundation piles in the test is used as a key index for judging the qualification of the piles, and the observation of the settlement must ensure enough precision, namely the reference beam is required to have enough rigidity and stability, but the static load test has the following contradiction points due to the influence of objective factors such as the diameter of the foundation piles, the site conditions and the like at present:

1. for large-tonnage foundation piles, a ballast pile loading platform and a soft soil test site, the center distance of each pile body is large, and the length of a reference beam is long enough to ensure the test precision requirement;

2. benchmark Liang Guochang, results in transportation and its inconvenience.

In addition, the existing reference beam height adjusting mode usually adopts mounting columns with different heights according to site conditions, or adopts a sleeve type mode to fixedly mount the reference beam, the height adjusting mode is very inconvenient, mounting columns with various specifications are required to be prepared, and the consistency of the adjusting heights of two sides of the reference beam is difficult to ensure on the side of the reference beam.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior reference devices, the utility model provides an adjustable reference device which has the advantages of simple structure, low cost, and adjustable length and height.

In order to achieve the above purpose, the embodiment of the present utility model adopts the following technical scheme:

an adjustable reference device comprises two bases and a reference beam arranged on the bases, wherein the bases comprise vertical plates, fixing bolts, bottom plates and fixing columns; the vertical plate is fixedly connected above the bottom plate, and a plurality of adjusting screw holes are formed in the vertical direction at intervals; the fixed column is arranged below the bottom plate; the reference beam is of a sleeve structure and is formed by connecting a plurality of sections of sub-sleeves in a matching way through hole shafts; and connecting screw holes are formed in two ends of the reference beam and fixedly connected with the vertical plate through the fixing bolts.

The number of the vertical plates on the single bottom plate is two, the vertical plates are arranged opposite to each other, the positions of the adjusting screw holes on the vertical plates are in one-to-one correspondence, the two vertical plates can increase the strength, support points are arranged at the two ends of the connecting bolt, and the fixed connection between the vertical plates and the reference beam is more stable; the two ends of the reference beam are fixed between the two vertical plates through connecting bolts, and the distance between the two vertical plates is slightly larger than the width of the reference beam.

A reinforcing plate is arranged at the joint of the vertical plate and the bottom plate; the reinforcing plate is arranged along the direction perpendicular to the vertical plate, is used for reinforcing the connection between the vertical plate and the bottom plate, is generally a triangular metal plate, and is fixedly connected with the vertical plate and the bottom plate in a welding mode.

The number of the fixing columns is four, and the fixing columns are distributed at four corners below the bottom plate; the fixing columns are distributed at four corners, so that the base is more beneficial to stability, and after the fixing columns are driven into the ground, the distance between the fixing columns is larger, so that the fixing columns are not easy to fall down.

The bottom of the fixed column is pointed cone-shaped, which is beneficial to driving the fixed column into the ground during construction.

The vertical plate is fixedly connected with the bottom plate in a welding mode, the welding processing mode is convenient and fast, the cost is reduced, and the rapid production is facilitated.

The reference beam is square, so that the reference beam and the vertical plate are more attached to each other, and the fixing is firmer.

The implementation of the utility model has the advantages that:

the utility model has simple structure and low cost, and is convenient for mass production and popularization; the reference beam is connected with the base through a fixed bolt, adjusting screw holes are arranged at intervals, and the height of the reference beam is adjusted by changing the installed adjusting screw holes; the reference beam adopts sleeve design, is established through hole axle cooperation cover by a plurality of sections sub-sleeves and is connected and form, and accessible flexible length adjustment can adapt to more use scenes portable simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an adjustable reference device according to the present utility model;

FIG. 2 is a schematic view of a base according to an embodiment of the present utility model;

FIG. 3 is a second schematic structural view of the base according to the embodiment of the present utility model;

FIG. 4 is a schematic diagram of a base according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a reference beam according to an embodiment of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, 2, 3, 4 and 5, an adjustable reference device comprises two bases 1 and a reference beam 2 arranged on the bases 1, wherein the bases 1 comprise vertical plates 11, fixing bolts 12, bottom plates 13 and fixing columns 14; the vertical plate 11 is fixedly connected above the bottom plate 13, and a plurality of adjusting screw holes 111 are formed in the vertical direction at intervals; the fixed column 14 is arranged below the bottom plate 13; the reference beam 2 is of a sleeve structure and is formed by connecting a plurality of section sleeves 21 in a matching way through hole shafts; the reference beam 2 is provided with connecting screw holes 22 at both ends and fixedly connected with the vertical plate 11 by the fixing bolts 12.

The number of the vertical plates 11 on the single bottom plate 13 is two, the vertical plates are arranged opposite to each other, the positions of the adjusting screw holes 111 on the vertical plates are in one-to-one correspondence, the strength of the two vertical plates 11 can be increased, supporting points are arranged at two ends of the connecting bolt, and the fixed connection between the vertical plates 11 and the reference beam 2 is more stable; the two ends of the reference beam 2 are fixed between the two vertical plates 11 through connecting bolts, and the space between the two vertical plates 11 should be slightly larger than the width of the reference beam 2.

A reinforcing plate 112 is arranged at the joint of the vertical plate 11 and the bottom plate 13; the reinforcing plate 112 is disposed along a direction perpendicular to the vertical plate 11, and the reinforcing plate 112 is used for reinforcing the connection between the vertical plate 11 and the bottom plate 13, and is usually a triangular metal plate, and is fixedly connected with the vertical plate 11 and the bottom plate 13 respectively by adopting a welding mode.

The number of the fixing columns 14 is four, and the fixing columns are distributed at four corners below the bottom plate 13; the distribution in the four corners is more favorable to the stability of base 1, with fixed column 14 drive back underground, and the interval between the fixed column 14 is bigger, is difficult for empting.

The bottom of the fixed column 14 is in a pointed cone shape, so that the fixed column 14 can be conveniently driven into the ground during construction.

The vertical plate 11 is fixedly connected with the bottom plate 13 in a welding mode, the fixing columns 14 are fixedly connected with the bottom plate 13 in a welding processing mode, and the welding processing mode is convenient and quick, and is convenient to reduce cost and fast to produce.

The reference beam 2 is square, so that the reference beam 2 and the vertical plate 11 are more attached to each other, and the fixation is firmer.

In use, the four fixing columns 14 of the base 1 are firstly inserted into the ground, and then the end part of the reference beam 2 is fixed between the two vertical plates 11 through the fixing bolts 12, wherein the reference beam 2 can be adjusted in length through expansion and contraction, and in addition, the adjustment of the installation height of the reference beam 2 can be realized by switching the adjusting screw holes 111 with different heights.

In the embodiment, the bottom plate 13 is made of steel plates with the length and the width of 50cm and the thickness of 1cm, four steel columns with the diameter of 22mm are welded at four corners below the bottom plate as the fixed columns 14, the effective length (the length after the bottom pointed cone part is removed) of the fixed columns 14, and the welding points are selected at positions 50mm away from two adjacent sides; the vertical plates 11 are made of steel plates with the height of 300mm, the distance between the two vertical plates 11 is set to be 110mm, seven adjusting screw holes 111 are formed in the upper edge of the vertical plates 11 in the middle axis position, and the distance between the circle centers of two adjacent adjusting screw holes 111 is set to be 40mm; the reference beam 2 is formed by sleeving and connecting national standard square steels with different specifications as the sub-sleeves 21, wherein the design length of each sub-sleeve 21 is set to be 3m, and the width of each sub-sleeve is not more than 100mm.

The implementation of the utility model has the advantages that:

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. An adjustable reference device comprises two bases (1) and a reference beam (2) arranged on the bases (1), and is characterized in that the bases (1) comprise vertical plates (11), fixing bolts (12), bottom plates (13) and fixing columns (14); the vertical plate (11) is fixedly connected above the bottom plate (13), and a plurality of adjusting screw holes (111) are formed in the vertical direction at intervals; the fixed column (14) is arranged below the bottom plate (13); the reference beam (2) is of a sleeve structure and is formed by connecting a plurality of section sleeves (21) in a matching way through hole shafts; the two ends of the reference beam (2) are provided with connecting screw holes (22) and are fixedly connected with the vertical plate (11) through the fixing bolts (12).

2. The adjustable reference device according to claim 1, characterized in that the number of risers (11) on a single base plate (13) is two, arranged opposite to each other, the positions of the adjustment screw holes (111) on the risers being in one-to-one correspondence; the two ends of the reference beam (2) are fixed between the two vertical plates (11) through connecting bolts.

3. Adjustable reference device according to claim 2, characterized in that a reinforcement plate (112) is provided at the connection of the riser (11) with the base plate (13); the reinforcing plate (112) is arranged along a direction perpendicular to the vertical plate (11).

4. An adjustable reference device according to claim 1, characterized in that the number of the fixing columns (14) is four and distributed at four corners below the bottom plate (13).

5. An adjustable reference device according to claim 4, characterized in that the bottom of the fixed column (14) is pointed cone-shaped.

6. The adjustable reference device according to claim 1, wherein the vertical plate (11) and the bottom plate (13) are fixedly connected by welding between the fixing column (14) and the bottom plate (13).

7. An adjustable reference device according to claim 1, characterized in that the reference beam (2) is square.