CN218990878U

CN218990878U - Combined double-wing jacking structure

Info

Publication number: CN218990878U
Application number: CN202223281934.6U
Authority: CN
Inventors: 胡成佑; 张世阳; 范垚垚; 安永刚; 曾重庆; 陈志博; 马春玥; 亓立刚
Original assignee: China Construction Eighth Engineering Division Technology Construction Co Ltd
Current assignee: China Construction Eighth Engineering Division Technology Construction Co Ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-09
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a combined double-wing jacking structure, which comprises: the support rod is provided with an upper end and a lower end which is used for being movably inserted into the upper port of the vertical rod of the scaffold, and the lower end position of the support rod is adjustably provided with a height adjusting piece which is used for being placed on the end face of the upper port of the vertical rod; the sleeve is sleeved at the upper end of the supporting rod in a lifting manner, a positioning piece is adjustably arranged at the upper end position of the supporting rod, and the positioning piece is supported on the lower end face of the sleeve; the lower ends of the two support arms are respectively connected to the two opposite sides of the sleeve, and the support arms are obliquely upwards and outwards arranged; the three supporting plates are respectively and fixedly arranged at the upper ends of the two supporting arms and the upper end of the supporting rod, the supporting plates are provided with containing through grooves for containing the main keels, and the containing through grooves of the three supporting plates are coaxially arranged. The utility model solves the problem that the main joist is unevenly stressed when the traditional jacking support main joist is used on the disc-buckling scaffold.

Description

Combined double-wing jacking structure

Technical Field

The utility model relates to the technical field of building construction, in particular to a combined double-wing jacking structure.

Background

The disc buckle type scaffold is one of the mainstream scaffolds in the world today. The disc buckle type scaffold has the outstanding advantages of simple structure, high bearing capacity, stability, reliability, rapid assembly and disassembly, time and labor saving, strong universality, safety, high efficiency and the like.

The jacking is a key link in the construction of the disc-buckling scaffold, and the main joist transmits load to the upright rod of the disc-buckling scaffold through the jacking. Under the traditional jacking supporting working condition, the contact point of the main joist and the jacking is supported and treated according to the point. This results in a significant peak hogging moment of the main runner at the fulcrum, resulting in limited main runner load carrying capacity.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model 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 of ordinary skill in the art.

Disclosure of Invention

In order to overcome the defects existing in the prior art, a combined double-wing jacking structure is provided at present, so that the problem that the main joist is stressed unevenly when the main joist is supported on a disc-buckling scaffold by using a traditional jacking support is solved.

In order to achieve the above object, a combined double-wing jacking structure is provided, comprising:

the support rod is provided with an upper end and a lower end which is used for being movably inserted into the upper port of the vertical rod of the scaffold, and the lower end position of the support rod is adjustably provided with a height adjusting piece which is used for being placed on the end face of the upper port of the vertical rod;

the sleeve is sleeved at the upper end of the supporting rod in a lifting manner, a positioning piece is adjustably arranged at the upper end position of the supporting rod, and the positioning piece is supported on the lower end face of the sleeve;

the lower ends of the two support arms are respectively connected to two opposite sides of the sleeve, and the support arms are obliquely upwards and outwards arranged;

the three supporting plates are respectively and fixedly arranged at the upper ends of the two supporting arms and the upper end of the supporting rod, each supporting plate is provided with a containing through groove for containing the main keel, and the containing through grooves of the three supporting plates are coaxially arranged.

Further, the distance between the upper ends of the two support arms is more than or equal to 500mm.

Further, the support bar includes:

the upper section is in a polygonal prism shape, the upper end of the upper section is supported on one supporting plate, and the shape and the size of the inner cavity of the sleeve are matched with those of the cross section of the upper section;

and the lower section is coaxially arranged with the upper section, the upper end of the lower section is coaxially connected with the lower end of the upper section, the lower section is cylindrical, and the height adjusting piece is adjustably arranged on the lower section.

Further, the lower section is formed with external threads, the height-adjusting piece is provided with a first threaded hole which is vertically arranged, and the height-adjusting piece is screwed with the lower section.

Further, the length of the sleeve is adapted to the length of the upper section, the locating piece is provided with a second threaded hole which is vertically arranged, the locating piece is screwed at the upper end of the lower section, and the adjusting piece is arranged below the locating piece.

The combined double-wing jacking structure has the beneficial effects that the double-wing auxiliary component supporting arm mounting supporting plate is additionally arranged on the basis of the traditional jacking, the supporting arm is fixed to the common jacking by adopting the positioning piece, so that the combined jacking structure is formed, and after the main joist is mounted, the main joist is simultaneously embedded in the containing through grooves of the three supporting plates at the supporting position, so that the main joist is in an addition form to the traditional jacking, the stress of the main joist at the supporting point is dispersed, the net span is shortened, and the bearing capacity is greatly improved. The bending moment value is greatly reduced no matter the fulcrum or the midspan. The maximum bending moment on the main joist is reduced, so that the maximum stress is reduced, and the bearing capacity of the main joist is improved. Through testing, the bearing capacity of the main joist is doubled.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:

fig. 1 is a schematic structural diagram of a combined double-wing jacking structure according to an embodiment of the present utility model.

Fig. 2 is a side view of a combined double wing jacking structure according to an embodiment of the present utility model.

Fig. 3 is an exploded view of the sleeve and the positioning member according to the embodiment of the utility model.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 3, the present utility model provides a combined double-wing jacking structure, comprising: the support rod 1, the sleeve 2, two support arms 3 and three supporting plates 4.

In this embodiment, the support bars are arranged vertically. The support rod has opposite upper and lower ends. The lower end of the support bar 1 is used for being movably inserted into the upper port of the upright of the scaffold. The lower end position of the support bar 1 is adjustably provided with a height adjusting member 11. The height adjusting piece 11 is used for being placed on the end face of the upper port of the vertical rod.

The sleeve 2 is sleeved at the upper end or the upper part of the supporting rod 1 in a lifting manner. The length of the sleeve is smaller than the length of the supporting rod. The upper end face of the supporting rod extends to the outside of the upper port of the sleeve. The upper end position of the support bar 1 is adjustably mounted with a positioning member 21. The positioning member 21 is supported on the lower end surface of the sleeve 2.

The two support arms 3 are arranged obliquely. The lower ends of the two support arms 3 are respectively connected to opposite sides of the sleeve 2. The support arm 3 is arranged obliquely upward and outward (toward the outside of the sleeve). The distance between the two support arms increases gradually from the lower end of the support arm to the upper end of the support arm. The distance between the upper ends of the two support arms 3 is 500mm or more.

The three supporting plates 4 are respectively and fixedly arranged at the upper ends of the two supporting arms 3 and the upper end of the supporting rod 1. The three supporting plates are arranged in the same direction, and the three supporting plates are arranged in a same line. The pallet 4 is formed with a receiving through groove 40. The accommodating through groove 40 is used for accommodating the main joist. The accommodating through grooves 40 of the three supporting plates 4 are coaxially arranged. The containing through grooves 40 of the three supporting plates 4 are positioned on the same horizontal plane.

Referring to fig. 2 and 3, the support rod 1 in the present embodiment includes: an upper section and a lower section. Wherein the vertically disposed upper section. The lower section is coaxially disposed with the upper section.

The upper section is in a polygonal prism shape. The upper end of the upper segment is supported on a pallet 4. In this embodiment, the upper and lower sections are steel pole sections. The upper end face of the upper section is welded and connected to the bottom of the supporting plate. The upper segment is arranged right below the plane center of the supporting plate.

The shape and size of the lumen of the cannula 2 is adapted to the shape and size of the cross section of the upper section. In this embodiment, the upper segment is a regular quadrangular prism. The sleeve is a square sleeve. The upper section is slidably disposed within the sleeve and is slidable only along the length of the sleeve.

The lower segment is cylindrical. The upper end of the lower section is coaxially connected to the lower end of the upper section. The height adjusting member 11 is positionally adjustably mounted to the lower segment.

Specifically, the lower segment is formed with external threads. The height adjusting member 11 is provided with a first threaded hole vertically arranged. The height adjusting member 11 is screwed to the lower segment.

The length of the sleeve 2 is adapted to the length of the upper segment. The positioning piece 21 is provided with a second threaded hole which is vertically arranged. The positioning member 21 is screwed to the upper end of the lower segment. The adjusting member is disposed below the positioning member 21.

According to the combined double-wing jacking structure, on the basis of a traditional jacking, the double-wing auxiliary member supporting arm mounting supporting plate is additionally arranged, and the supporting arm is fixed to a common jacking by adopting the positioning piece, so that the combined jacking structure is formed, and after the main joist is mounted, the main joist is simultaneously embedded in the containing through grooves of the three supporting plates at the supporting position, so that the combined double-wing jacking structure is an addition form for the traditional jacking, the main joist stress at the supporting point is dispersed, the net span is shortened, and the bearing capacity is greatly improved. The bending moment value is greatly reduced no matter the fulcrum or the midspan. The maximum bending moment on the main joist is reduced, so that the maximum stress is reduced, and the bearing capacity of the main joist is improved. Through testing, the bearing capacity of the main joist is doubled.

The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims

1. A modular double-wing jacking structure, comprising:

2. The combination double wing jacking structure of claim 1, wherein the distance between the upper ends of two of said support arms is 500mm or more.

3. The combination double wing jacking structure of claim 1, wherein said support bar comprises:

4. The combined double-wing jacking structure according to claim 3, wherein the lower section is formed with external threads, the height-adjusting member is provided with a first threaded hole vertically arranged, and the height-adjusting member is screwed with the lower section.

5. The combined double-wing jacking structure according to claim 4, wherein the length of the sleeve is adapted to the length of the upper section, the positioning piece is provided with a second threaded hole arranged vertically, the positioning piece is screwed at the upper end of the lower section, and the height-adjusting piece is arranged below the positioning piece.