CN115419058B

CN115419058B - Adjustable screw anchor connecting device

Info

Publication number: CN115419058B
Application number: CN202211051828.0A
Authority: CN
Inventors: 毛华; 唐继朋; 李文杰; 唐永存; 房向阳; 李俊元; 石强; 马勇; 耿芳; 许亮; 孟令健; 王斌; 车晓钰; 栗世勇; 崔荣坤; 李宇伯; 吕明皓; 潘光; 杜祎; 李春雪
Original assignee: State Grid Corp of China SGCC; State Grid Tianjin Electric Power Co Ltd; Construction Branch of State Grid Tianjin Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Tianjin Electric Power Co Ltd; Construction Branch of State Grid Tianjin Electric Power Co Ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-09-05
Anticipated expiration: 2042-08-31
Also published as: CN115419058A

Abstract

The application belongs to the technical field of overhead transmission line crossing frame foundation construction, and particularly relates to an adjustable screw anchor connecting device which comprises an upper flange part and a lower flange part, wherein flange gaskets are arranged on the upper flange part and the lower flange part in quality inspection, the upper flange part and the lower flange part are connected together through connecting bolts, and a waist-shaped hole is formed in the upper flange part. The adjustable screw anchor connecting device is ingenious in structural design, is suitable for installation and construction of screw anchors with various specifications and detachable foundation soleplates, and has certain universality.

Description

Adjustable screw anchor connecting device

Technical Field

The application belongs to the technical field of construction of overhead transmission line crossing frame foundations, and particularly relates to an adjustable screw anchor connecting device.

Background

In order to ensure reliable connection of the foundation bedplate and the spiral anchors in the construction process of the overhead transmission line crossing frame foundation, the connecting device needs to have a flexible connecting mode. Common connection modes of the screw anchors and the foundation comprise connection modes such as welding, concrete pouring and the like, the situation is only suitable for connection of a non-detachable foundation mat, and a bolt connection mode is adopted for the connection mode of the detachable foundation mat. Because the anchor rod has a certain inclination angle in the construction drilling process of the spiral anchor, the spiral anchors at different positions have deviation in drilling height, and meanwhile, the orientation of the bolt hole connected with the connecting device also has uncertainty; therefore, the current common connecting device is not provided with the capability and universality of adjusting the connecting mode according to actual conditions in design and use, so that the difficulty of the basic construction link is high.

It should be noted that: the information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

The application aims to provide an adjustable screw anchor connecting device which solves the problems in the background technology.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides an adjustable screw anchor connecting device, includes upper portion flange part and lower part flange part, is equipped with the flange gasket between upper portion flange part and the lower part flange part, is in the same place through connecting bolt connection between upper portion flange part and the lower part flange part, has waist type hole on the upper portion flange part.

Preferably, the upper flange part comprises an upper flange body, an upper rib plate and an upper flange plate, the waist-shaped holes are formed on the periphery of the upper flange body, the upper flange plate is welded at the bottom of the upper flange body, and the upper rib plate is welded between the upper flange body and the upper flange plate.

Preferably, the lower flange part includes lower flange base, lower flange body, lower floor and lower ring flange, lower ring flange welds the top of lower flange body, and lower floor welds between lower flange body and the lower ring flange, the bottom periphery of lower flange body is equipped with the boss, lower flange base's hole be equipped with boss complex ladder groove, lower flange base cover is in on the lower flange body, the ladder groove block is in boss department, lower ring flange with pass through between the upper ring flange connecting bolt is in the same place.

Preferably, the waist-shaped holes are connected by four screw anchors in a group from top to bottom.

Preferably, three groups of waist-shaped holes with different sizes along the axial direction of the flange are arranged on the upper flange body.

The beneficial effects of the application are as follows:

(1) The adjustable screw anchor connecting device is ingenious in structural design, is suitable for installation and construction of screw anchors with various specifications and detachable foundation soleplates, and has certain universality.

(2) The upper flange part, the flange gasket part and the lower flange part are respectively and firmly connected with the foundation slab and the screw anchor, and the application has high safety and stable performance.

(3) The upper flange part of the application can adjust the height deviation when being connected with the screw anchor through three groups of waist-shaped holes with different heights, and can be connected with the lower flange through the hole sites on the flange plate by bolts.

(4) The flange gasket component can be used for adjusting the gap between the upper flange and the lower flange, so that the connection integrity of the components is ensured, and the large floating inclination caused by the gap in the use process of the whole structure is avoided.

(5) After the lower flange base and the foundation bedplate are firmly welded, the hole position adjustment can be realized by rotating the lower flange body when the adjusting screw anchor is connected with the upper flange. The relatively flexible structural characteristic of the foundation slab is more convenient to install in the construction process.

(6) The application realizes flexible adjustment of the uncertainty bolt hole sites when the detachable foundation slab is connected with the screw anchors, greatly reduces the foundation construction difficulty and the high-precision requirement of drilling, and improves the foundation construction efficiency in the whole tower assembly process.

Drawings

FIG. 1 is a schematic diagram of the structure of the present application;

FIG. 2 is a front view of the upper flange member of the present application;

FIG. 3 is a bottom view of the upper flange member of the present application;

FIG. 4 is a schematic view of a flange gasket assembly according to the present application;

FIG. 5 is a front view of the lower flange member of the present application;

FIG. 6 is a cross-sectional view of a lower flange member of the present application;

FIG. 7 is a schematic view of the structure of the lower flange plate according to the present application;

FIG. 8 is a cross-sectional view taken along the direction A-A in FIG. 7;

FIG. 9 is a schematic view of the structure of the lower flange body according to the present application;

fig. 10 is a schematic structural view of a lower flange base of the present application.

Detailed Description

The following detailed description of the application refers to the accompanying drawings and preferred embodiments.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.

In the description of the application, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the application and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "fixedly connected," and "affixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present application can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1, the adjustable screw anchor connection device mainly consists of an upper flange part 1, a flange gasket part 2 and a lower flange part 3, which are fixed together by connecting bolts 4.

Wherein, as shown in fig. 2 and 3, the upper flange part is formed by welding an upper flange body 5, an upper rib plate 6 and an upper flange plate 7. The upper flange body is provided with waist-shaped holes 8, the waist-shaped holes are in four-in-one combination with screw anchors 9 in bolted connection, and three groups of waist-shaped holes with different sizes along the axial direction of the flange are arranged on the upper flange body, so as to adjust and adapt to the difference of the screw anchors in vertical height after drilling; when the gap between the relative positions of one group of waist-shaped holes and the screw anchors is bigger or smaller, the other two groups of waist-shaped holes and screw anchors can be replaced to realize the relative proper adjustment of the spatial positions, and 6 through holes 10 are uniformly distributed on the upper flange plate in the circumferential direction, so that the upper flange plate is connected with the lower flange part and the flange gasket through bolts.

As shown in fig. 4, the flange gasket part is a single part with thinner thickness, 6 through holes are uniformly distributed at the same position on the flange gasket, and the flange gasket part is connected between the upper flange and the lower flange during use and is used for adjusting the difference between the height directions of the screw anchor and the upper flange hole site, the gap between the upper flange and the lower flange is adjusted through the flange gasket, the adjustable gap of the flange gasket is between 2mm and 10mm, the connection integrity of all parts is ensured, and the large floating inclination caused by the gap during use of the whole structure is avoided.

As shown in fig. 5 to 10, the lower flange member is composed of a lower flange base 11, a lower flange body 12, a lower rib 13, and a lower flange plate 14. The lower flange plate and the lower flange body are formed by welding a lower rib plate, a lower flange base is required to be mounted at a corresponding connection position of a boss 15 of the lower flange body before welding, a fixed connection mode is not arranged between the lower flange body and the lower flange base, the lower flange body and the flange base can rotate along a central axis through the structural characteristics and clearance fit of the lower flange body and the lower flange base, and after the lower flange body and the upper flange are fixed through connecting bolts, whether hole sites are aligned or not can be adjusted through the rotational freedom degree between the lower flange body and the flange base when a screw anchor is connected with the upper flange; the lower flange base is welded to the base plate 16 by means of welding.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.

Claims

1. The adjustable screw anchor connecting device is characterized by comprising an upper flange part and a lower flange part, wherein a flange gasket is arranged between the upper flange part and the lower flange part, the upper flange part and the lower flange part are connected together through connecting bolts, and the upper flange part is provided with a waist-shaped hole;

the upper flange part comprises an upper flange body, an upper rib plate and an upper flange plate, the waist-shaped holes are formed in the periphery of the upper flange body, the upper flange plate is welded to the bottom of the upper flange body, and the upper rib plate is welded between the upper flange body and the upper flange plate;

the lower flange part comprises a lower flange base, a lower flange body, a lower rib plate and a lower flange plate, wherein the lower flange plate is welded at the top of the lower flange body, the lower rib plate is welded between the lower flange body and the lower flange plate, a boss is arranged on the periphery of the bottom of the lower flange body, a stepped groove matched with the boss is arranged in an inner hole of the lower flange base, the lower flange base is sleeved on the lower flange body, the stepped groove is clamped at the boss, and the lower flange plate and the upper flange plate are fixed together through connecting bolts;

the waist-shaped holes are connected by screw anchors in a four-to-four group mode;

three groups of waist-shaped holes with different sizes along the axial direction of the flange are arranged on the upper flange body;

the lower flange base is welded and fixed with the foundation slab in a welding mode.