CN112780058A

CN112780058A - Splicing structure type lifting guide rail

Info

Publication number: CN112780058A
Application number: CN202011631654.6A
Authority: CN
Inventors: 史圣华; 包继德; 陈生林; 武世敏
Original assignee: Gansu Shenghuayuan Technology Co ltd
Current assignee: Gansu Shenghuayuan Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-11

Abstract

The invention discloses a splicing structure type lifting guide rail which is formed by splicing a plurality of splicing units in a linear end-to-end sequence, wherein each splicing unit comprises a guide rail and a vertical rod welded on the guide rail, and end steel plates are welded on the end surfaces of two ends of each guide rail; the two ends of the splicing unit are respectively a head end and a tail end, the end part of the guide rail protrudes out of the end part of the upright stanchion in the head end, and the end part of the upright stanchion protrudes out of the end part of the guide rail in the tail end; in the splicing structure of two adjacent splicing units in an upper section and a lower section, a vertical rod at the tail end of the upper section splicing unit is fastened on a guide rail at the head end of the lower section splicing unit through a bolt, and the upper section splicing unit is fastened with a bolt after being attached to end steel plates of the two guide rails of the lower section splicing unit. The invention adopts the connection mode of alternate stubbles and oblique joints, greatly improves the force transmission path, enlarges the splicing contact cross section of the track, and enhances the strength and rigidity of the guide track and the vertical main frame.

Description

Splicing structure type lifting guide rail

Technical Field

The invention belongs to scaffold accessories, and particularly relates to a splicing structure type lifting guide rail of an attached lifting scaffold.

Background

In most attached lifting scaffolds applied at present, the splicing joints of the lifting guide rail structure are weak in connection rigidity, poor in bending resistance and installation accuracy, easy to deform and damage in use, and the technical problems cannot be solved in the prior art.

Disclosure of Invention

The invention aims to provide a method for splicing nodes of a lifting guide rail structure of an attached lifting scaffold, and aims to solve the problems that the structural splicing connection of the existing scaffold rail is weak in rigidity, poor in bending resistance and installation accuracy, and is easy to break and damage in use.

The invention is realized in such a way that a splicing structure type lifting guide rail is formed by splicing a plurality of splicing units in a linear end-to-end sequence, wherein each splicing unit comprises a guide rail and a vertical rod welded on the guide rail, end steel plates are welded on the end surfaces of the two ends of the guide rail, and screw holes are formed in the end steel plates;

the two ends of the splicing unit are respectively a head end and a tail end, the end part of the guide rail protrudes out of the end part of the upright rod in the head end, and the end part of the upright rod protrudes out of the end part of the guide rail in the tail end;

in the splicing structure of two adjacent splicing units in an upper section and a lower section, a vertical rod at the tail end of the upper section splicing unit is fastened on a guide rail at the head end of the lower section splicing unit through a bolt, and the upper section splicing unit is fastened with a bolt after being attached to end steel plates of the two guide rails of the lower section splicing unit.

Preferably, the guide rail comprises 8# channel steel, a connecting steel plate and a phi 28 cylindrical steel crosspiece, the grooves of the two 8# channel steel which are laid in parallel are placed in the direction away from each other, the upper part between the two 8# channel steel is welded through the connecting steel plate, and the lower part between the two 8# channel steel is welded through the crosspiece;

the pole setting is 6.3# channel-section steel, and the recess of this 6.3# channel-section steel is just to connecting plate, and the both sides cell wall edge of the recess of this 6.3# channel-section steel welds respectively on the cell wall of an 8# channel-section steel.

Preferably, the splicing unit further comprises a plurality of connecting pieces, and the adjacent groove wall of the 6.3# channel steel and the groove wall of the 8# channel steel are welded and reinforced through the connecting pieces.

Compared with the defects and shortcomings of the prior art, the invention has the following beneficial effects:

(1) the invention adopts the connection mode of alternate stubbles and oblique joints, greatly improves the force transmission path, enlarges the splicing contact cross section of the track, and enhances the strength and rigidity of the guide track and the vertical main frame;

(2) the end steel plate has double functions, the strength, rigidity and reliability of the track are improved, and the end steel plate is compact in structure and convenient to mount;

(3) the rail and the upright stanchion are welded and connected by the connecting piece, thereby effectively improving the welding seam strength and the welding manufacturability, reducing the welding deformation and ensuring the straightness of the rail.

Drawings

Fig. 1 is a front view of a lifting guide rail structure of an attached lifting scaffold of the present invention;

FIG. 2 is a top view of the lift guide track structure of FIG. 1;

FIG. 3 is a schematic view of a splice joint of the lifting guide track structure;

fig. 4 is a schematic cross-sectional view a-a of fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 4, wherein fig. 1 is a front view of a lifting guide rail structure of an attached lifting scaffold according to the present invention; FIG. 2 is a top view of the lift guide track structure of FIG. 1; FIG. 3 is a schematic view of a splice joint of the lifting guide track structure; fig. 4 is a schematic cross-sectional view a-a of fig. 2.

The embodiment of the invention discloses a splicing structure type lifting guide rail, which is formed by splicing a plurality of splicing units in a linear end-to-end sequence, wherein each splicing unit comprises a guide rail 1 and a vertical rod 2 welded on the guide rail 1, end steel plates 3 are welded on the end surfaces of the two ends of the guide rail 1, and first screw holes 4 are formed in the end steel plates 3; the two ends of the splicing unit are respectively a head end and a tail end, the end part of the guide rail 1 in the head end protrudes out of the end part of the upright rod 2, and the end part of the upright rod 2 in the tail end protrudes out of the end part of the guide rail 1;

in the mosaic structure of two adjacent splice units that are the upper segment and the lower segment relation, the convex pole setting 2 of 5 tail ends of upper segment splice unit is laminated on the convex guide rail 1 of 6 head ends of lower segment joint unit, and second screw 7 that predetermine between the two aligns the back and cooperates bolt 8 fastening, and the end steel sheet 3 laminating of two guide rails 1 of upper segment splice unit 5 and lower segment joint unit 6, and the first screw 4 alignment of both ends head steel sheet 3 cooperates bolt 9 fastening.

In the embodiment of the invention, the guide rails are spliced in a linear head-to-tail sequence through the splicing units, and the staggered-stubble and oblique-joint connection mode is adopted, so that the force transmission path is greatly improved, the splicing contact cross section of the rails is enlarged, and the strength and rigidity of the guide rails and the vertical main frame are enhanced.

More specifically, in the embodiment of the present invention, the guide rail 1 includes a # 8 channel steel 1-1, a connecting steel plate 1-2, and a Φ 28 cylindrical steel rung 1-3, and the structure of the guide rail 1 is specifically: the grooves of the two 8# channel steel 1-1 which are laid in parallel are placed in the direction away from each other, the upper part between the two 8# channel steel 1-1 is welded through the connecting steel plate 1-2, and the lower part between the two 8# channel steel 1-1 is welded through the crosspiece 1-3; the upright rod 2 is a 6.3# channel steel, the groove of the 6.3# channel steel is over against the connecting steel plate 1-2, and the edges of the two side groove walls of the groove of the 6.3# channel steel are respectively welded on the groove walls of an 8# channel steel 1-1. In the embodiment of the invention, in the splicing structure of two adjacent splicing units in an upper section and a lower section, the two side groove wall edges of a 6.3# channel steel protruding from the tail end of an upper section splicing unit 5 are respectively attached to the groove wall of an 8# channel steel 1-1 protruding from the head end of a lower section splicing unit 6, and the bottom of the 6.3# channel steel is aligned with a second screw hole 7 on a connecting steel plate 1-2 and then is matched with a bolt for fastening.

For further reinforcing the structure of concatenation unit, concatenation unit still includes a plurality of connecting pieces 10, and adjacent 6.3# channel-section steel cell wall, 8# channel-section steel cell wall pass through the connecting piece welding reinforcement. In the practical application process, the connecting piece 10 is made of right-angle triangular iron, two right-angle surfaces are respectively welded on one groove wall of the 6.3# channel steel and one groove wall of the 8# channel steel 1-1, the reinforcing welding structure effectively improves the strength of a welding line and the welding manufacturability, reduces the welding deformation and ensures the straightness of a track.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A splicing structure type lifting guide rail is characterized in that the rail is formed by splicing a plurality of splicing units in a linear end-to-end sequence, each splicing unit comprises a guide rail and a vertical rod welded on the guide rail, and end steel plates are welded on the end surfaces of the two ends of each guide rail;

2. The spliced structural elevating guide rail as set forth in claim 1, wherein the guide rail comprises 8# channel steel, a connecting steel plate, a phi 28 cylindrical steel crosspiece, the grooves of two 8# channel steel laid in parallel are placed in a direction away from each other, the upper part between the two 8# channel steel is welded by the connecting steel plate, and the lower part between the two 8# channel steel is welded by the crosspiece;

3. The spliced structural lift guide rail of claim 2, wherein the splice unit further comprises a plurality of connectors, and the adjacent slot walls of the 6.3# channel and the 8# channel are welded and reinforced by the connectors.