CN215925971U

CN215925971U - Simple and easy excavation supporting miniature stake shaped steel positioning tool

Info

Publication number: CN215925971U
Application number: CN202122221848.5U
Authority: CN
Inventors: 李汶傧; 许二雄
Original assignee: Baoye Zhengzhou Construction Engineering Co ltd
Current assignee: Baoye Zhengzhou Construction Engineering Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-03-01
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to a simple and easy foundation pit supporting micropile shaped steel positioning tool, including the micropile and "worker" shaped steel that is put into micropile, the said shaped steel includes flange plate and web, set up two groups of locating units between said micropile and shaped steel, each said locating unit includes the locating frame, vertical spread in the long-pending pole in the middle part of locating frame and set up long-pending pole and quarter butt at both ends of locating frame separately; the positioning frame is bent into an arc shape and is attached to the inner wall of the miniature pile, the extension rod vertically penetrates through the positioning frame, the long rod tightly abuts against a web plate of the profile steel, and the short rod tightly abuts against a flange plate of the profile steel; extension bar upper end threaded connection has the extension rod, and extension rod upper end level is buckled and is stretched out the miniature stake and be connected with the holding ring. The utility model has simple structure and convenient and fast manufacture, can well solve the problems of low positioning speed and large precision deviation of the miniature pile section steel in the supporting engineering, and has good practicability.

Description

Simple and easy excavation supporting miniature stake shaped steel positioning tool

Technical Field

The utility model relates to the technical field of structural steel positioning for buildings, in particular to a simple and easy structural steel positioning tool for a foundation pit supporting micro pile.

Background

At present, foundation pit supporting forms are various, a miniature pile is faster and more economical compared with a traditional cast-in-place pile, a pit wall is supported and protected during foundation pit earthwork excavation, and the miniature section steel pile is widely used due to the characteristics of convenience in construction, high strength, high progress, on-site fetching and the like.

In the construction process of the miniature section steel pile, the section steel pile is usually in an I shape and an H shape according to the cross section shape, when the section steel is hung in a pile hole, the section steel is low in accurate positioning speed and poor in accuracy, the section steel is collided with the wall of the pile hole, pile forming quality is affected, the error of a section steel size positioning method is large, and the problems that the section steel is not installed in the center, stress performance is changed and the like are easily caused by impact of concrete when pile concrete is poured.

Disclosure of Invention

The utility model provides a simple positioning tool for the profile steel of a foundation pit support micro-pile, aiming at solving the problem that the pile forming quality is influenced due to poor profile steel positioning effect.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a simple and easy foundation ditch supports miniature pile shaped steel positioning tool, include miniature pile and "worker" shaped steel that is put into miniature pile, the said shaped steel includes flange plate and web, set up two sets of locating units between miniature pile and shaped steel, each said locating unit of group includes the locating frame, vertical extension bar laid in the middle part of locating frame and long-rod and quarter butt set up at both ends of locating frame respectively;

the positioning frame is bent into an arc shape and is attached to the inner wall of the miniature pile, the extension rod vertically penetrates through the positioning frame, two ends of the extension rod vertically extend outwards respectively, the long rod tightly abuts against a web plate of the profile steel, and the short rod tightly abuts against a flange plate of the profile steel;

extension bar upper end threaded connection has the extension rod, the extension rod is for falling "L" shape shaft-like structure, and extension rod upper end level is buckled and is stretched out the micropile and be connected with the holding ring.

Furthermore, two groups of positioning units are symmetrically arranged on two sides of the miniature pile, and the two groups of positioning units clamp the profile steel to be centered.

Furthermore, the positioning frame is bent into a quarter circle and is of a rectangular frame structure formed by welding horizontal ribs and vertical ribs; the horizontal ribs are bent to form an arc shape and are distributed along the circumferential direction of the micro pile, and the vertical ribs are distributed along the axial direction of the micro pile.

Furthermore, the short rods and the long rods are respectively welded on the vertical ribs and are radially arranged along the mini-type piles.

Furthermore, the extension bar is welded on the horizontal rib, and the extension bar is connected and combined with the positioning frame to form a middle shape; the extension bar upper end with be provided with the screw sleeve in order to connect between the extension bar.

Furthermore, a plurality of groups of positioning units are vertically arranged below each group of positioning units on two sides of the miniature pile, and the two groups of positioning units which are adjacent up and down are in threaded connection.

Furthermore, a threaded sleeve is arranged between the extension bars of the two adjacent groups of positioning units for connection.

Through the technical scheme, the utility model has the beneficial effects that:

the utility model has reasonable structural design, each part of the positioning unit is made of steel bars, the material taking is convenient, the manufacture is simple and easy, and no complex structure exists. Through the cooperation of two sets of positioning unit, realize the location support to the shaped steel, solve the problem that miniature pile shaped steel positioning speed is slow, the precision deviation is big among the supporting engineering, the practicality is strong.

The extension rod is detachably connected with the positioning unit, so that the positioning unit can be conveniently and quickly installed, the fixing of the positioning unit during use is ensured, the positioning accuracy of the section steel is further ensured, the section steel is prevented from colliding with a wall of a hanging hole, the pile concrete is prevented from impacting to deflect the section steel, the pile forming process is ensured to be more accurate, smooth and rapid, and the pile forming quality is effectively improved.

Drawings

FIG. 1 is one of schematic diagrams of a positioning unit supporting section steel of the simple positioning tool for a section steel of a foundation pit supporting micro-pile of the utility model.

Fig. 2 is a second schematic view of the positioning unit supporting section steel of the simple positioning tool for the section steel of the foundation pit supporting micro-pile of the utility model.

FIG. 3 is a schematic view showing the connection of two adjacent upper and lower positioning units of the simple locating tool for the section steel of the foundation pit supporting micropile.

The reference numbers in the drawings are as follows: 1 is the micropile, 2 is shaped steel, 21 is the flange board, 22 is the web, 3 is the locating frame, 31 is the horizontal muscle, 32 is vertical muscle, 4 is the extension bar, 5 is the stock, 6 is the quarter butt, 7 is the holding ring, 8 is threaded sleeve, 9 is the extension rod.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings in which:

as shown in fig. 1-3, a simple and easy foundation pit support micropile shaped steel positioning tool includes micropile 1 and "worker" shaped steel 2 of arranging in micropile 1, shaped steel 2 includes flange plate 21 and web 22.

In order to realize the location to shaped steel 2, guarantee it between two sets of positioning unit, every group set up between micropile 1 and the shaped steel 2 positioning unit includes locating frame 3, vertical cloth and establishes extension bar 4 at 3 middle parts of locating frame and sets up extension bar 5 and quarter butt 6 at 3 both ends of locating frame respectively.

The positioning frame 3 is bent into a circular arc shape and attached to the inner wall of the miniature pile 1. Specifically, the positioning frame 3 is bent to be a quarter circle, the positioning frame 3 is a rectangular frame structure formed by welding a horizontal rib 31 and a vertical rib 32, the horizontal rib 31 is bent to be arc-shaped and is arranged along the circumferential direction of the miniature pile 1, and the vertical rib 32 is arranged along the axial direction of the miniature pile 1.

Extension bar 4 vertically runs through locating frame 3, and both ends are outside vertical extension respectively, and extension bar 4 is when the installation, extension bar 4 welding is on horizontal muscle 31, and extension bar 4 is "well" font after 3 connection combinations with locating frame.

When the long rod 5 and the short rod 6 are installed, the short rod 6 and the long rod 5 are respectively welded on the vertical ribs 32, and the short rod 6 and the long rod 5 are radially arranged along the micro-pile 1. The long rod 5 is tightly pressed against the web 22 of the section steel 2, and the short rod 6 is tightly pressed against the flange plate 21 of the section steel 2.

In order to put into the miniature stake 1 with the positioning unit for the convenience, extension rod 4 upper end threaded connection has extension rod 9, extension rod 9 is for "L" shape shaft-like structure of falling, and extension rod 9 upper end level is buckled and is stretched out miniature stake 1 and be connected with holding ring 7.

Specifically, extension bar 4 upper end with be provided with threaded sleeve 8 between the extension rod 9 in order to connect, can be connected extension rod 9 and a set of positioning unit through threaded sleeve 8, constructor is located the handheld extension rod 9 of pile bolck and can gets positioning unit and put.

In the embodiment, the two groups of positioning units are symmetrically arranged on two sides of the miniature pile 1, and the two groups of positioning units clamp and support the section steel 2 to be centered, namely, positioned in the middle of the miniature pile 1, so that the section steel 2 is prevented from inclining and deviating when being lifted or poured by pile concrete, and the pile forming quality is ensured.

The positioning frame 3, the extension rod 4, the extension rod 9, the short rod 6 and the long rod 5 are all made of steel bars, and the positioning frame is easy to obtain materials, simple in structure and convenient to process and manufacture. No matter in the section steel 2 hanging link or the micro pile 1 pouring pile concrete link, the section steel positioning tool can be used for ensuring the accuracy of the section steel 2 position, the problems of low section steel positioning speed and large precision deviation of the micro pile in the supporting engineering can be well solved, and the practicability is high.

When this shaped steel positioning tool used, constructor can hand extension rod 9 and realize the fixed of positioning element position, also can need not to use artifical fixed, is about to arrange pile bolck ground in extension rod 9 upper end, adopts the ground nail to pass holding ring 7 and wedges pile bolck ground, realizes fixing positioning element.

In order to further guarantee the positioning of the section steel 2, a plurality of groups of positioning units are vertically arranged below each group of positioning units on two sides of the miniature pile 1, and the two groups of positioning units are connected by screw threads. Specifically, a threaded sleeve 8 is arranged between the extension rods 4 of the two adjacent groups of positioning units for connection. Can splice multiunit positioning unit from top to bottom through threaded sleeve 8, and then realize 2 length direction of shaped steel on, diversified location.

The above-described embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the utility model, so that equivalent changes or modifications in the structure, features and principles described in the present invention should be included in the claims of the present invention.

Claims

1. A simple and easy foundation ditch support micropile shaped steel positioning tool, includes micropile (1) and "worker" shaped steel (2) of arranging in micropile (1), shaped steel (2) include flange plate (21) and web (22), characterized by that, set up two sets of locating units between micropile (1) and shaped steel (2), each set of said locating unit includes the locating frame (3), vertically lay in the extension bar (4) in the middle part of the locating frame (3) and set up long-stock (5) and quarter butt (6) at both ends of the locating frame (3) respectively;

the positioning frame (3) is bent into an arc shape and attached to the inner wall of the miniature pile (1), the extension rod (4) vertically penetrates through the positioning frame (3), two ends of the extension rod respectively extend outwards and vertically, the long rod (5) is tightly abutted to a web plate (22) of the section steel (2), and the short rod (6) is tightly abutted to a flange plate (21) of the section steel (2);

extension bar (4) upper end threaded connection has extension rod (9), extension rod (9) are for falling "L" shape shaft-like structure, and extension rod (9) upper end horizontal bending stretches out miniature stake (1) and is connected with holding ring (7).

2. The simple positioning tool for the section steel of the foundation pit supporting micro-pile as claimed in claim 1, wherein two sets of the positioning units are symmetrically arranged at two sides of the micro-pile (1), and the two sets of the positioning units clamp the section steel (2) to center the section steel.

3. The simple positioning tool for the section steel of the foundation pit supporting micro-pile is characterized in that the positioning frame (3) is bent into a quarter-circle shape, and the positioning frame (3) is of a rectangular frame structure formed by welding horizontal ribs (31) and vertical ribs (32);

the horizontal ribs (31) are bent to form circular arcs and are distributed along the circumferential direction of the miniature pile (1), and the vertical ribs (32) are distributed along the axial direction of the miniature pile (1).

4. The simple foundation pit supporting micro-pile section steel positioning tool is characterized in that the short rods (6) and the long rods (5) are respectively welded on the vertical ribs (32), and the short rods (6) and the long rods (5) are arranged along the radial direction of the micro-pile (1).

5. The simple positioning tool for the section steel of the foundation pit supporting micro-pile as claimed in claim 3, wherein the extension bar (4) is welded on the horizontal rib (31), and the extension bar (4) is connected and combined with the positioning frame (3) to form a middle shape; a threaded sleeve (8) is arranged between the upper end of the extension rod (4) and the extension rod (9) for connection.

6. The simple positioning tool for the section steel of the foundation pit supporting micro pile as claimed in claim 2, wherein a plurality of groups of positioning units are vertically arranged below each group of positioning units on two sides of the micro pile (1), and the two adjacent groups of positioning units are in threaded connection.

7. The simple positioning tool for the foundation pit supporting micro-pile section steel according to claim 6, wherein the extension bars (4) of two adjacent sets of positioning units are connected by threaded sleeves (8).