An adjustable gantry

Abstract

The present application relates to the field of steel structure building, disclose a kind of adjustable portal crane.The adjustable portal crane provided in the present application, including two columns and the crossbeam being arranged between two columns, the column includes mutually interlocked first keel and second keel, the first keel can be displaced along the length extension direction relative to second keel, the height of column adjustment, the crossbeam includes adjusting keel, the adjusting keel includes mutually interlocked third keel and fourth keel, the third keel can be displaced along the length extension direction relative to fourth keel, the span of crossbeam adjustment;By the column of adjustable height and the crossbeam of adjustable span design, so that in the field of steel structure building construction, without the cutting of portal crane material, portal crane installation is simple, can save time and manpower.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of steel structure building, in particular to an adjustable portal frame. BACKGROUND

[0002] Light steel keel is a new type of building material, which is made of high-quality continuous hot galvanized sheet and is rolled into a building metal skeleton through a cold bending process. It is used for non-load-bearing walls and building roof decoration with light board such as paper-faced gypsum board and decorative gypsum board. It is suitable for the modeling and decoration of various building roofs, the inner and outer walls of buildings, and the base material of shed-type suspended ceilings, and is widely used in hotels, terminals, stations, stations, amusement parks, shopping malls, factories, office buildings, old building renovation, indoor decoration, ceilings and other places.

[0003] Light steel keel commonly used according to purpose includes suspended ceiling keel and partition keel, and according to section form, there are V-shaped, C-shaped, T-shaped, L-shaped and U-shaped keels. The main specifications of partition keel are Q50, Q75 and Q100. The main specifications of suspended ceiling keel are D38, D45, D50 and D60.

[0004] At present, in the construction process of prefabricated steel structure building, due to the existence of design errors and errors in the construction process, in order to avoid rework, light steel keel materials are generally cut on site, and are made on site. Especially when making portal frames, the size requirements in actual construction need to be met, and the portal frame structure material needs to be cut, which is complicated to operate, time-consuming and labor-intensive. SUMMARY

[0005] The purpose of the present application is to provide an adjustable portal frame, which has a certain adjustable space in height and width, is easy to install, and can save time and labor.

[0006] To solve the above technical problems, the embodiments of the present application provide a technical scheme as follows:

[0007] An adjustable portal frame includes two columns and a cross beam arranged between the two columns, the column includes a first keel and a second keel that are mutually buckled, the first keel can be displaced relative to the second keel along the length extension direction to adjust the height of the column, and the cross beam includes an adjusting keel, the adjusting keel includes a third keel and a fourth keel that are mutually buckled, and the third keel can be displaced relative to the fourth keel along the length extension direction to adjust the span of the cross beam.

[0008] Further, the first keel is provided with a first positioning column, and the second keel is provided with a first adjusting hole at a position corresponding to the first positioning column, the first adjusting hole is a long hole, and the first positioning column is arranged in the first adjusting hole.

[0009] Further, the first positioning column is provided with external threads, and a nut is arranged in the first positioning column, the first keel and the second keel are fixedly connected by locking the nut and the first positioning column.

[0010] Further, the third keel is provided with a second positioning column, and the fourth keel is provided with a second adjusting hole at a position corresponding to the second positioning column, the second adjusting hole is a long hole, and the second positioning column is arranged in the second adjusting hole.

[0011] Further, the second positioning column is provided with external threads, and a nut is arranged in the second positioning column, the third keel and the fourth keel are fixedly connected by locking the nut and the second positioning column.

[0012] Further, the cross beam further comprises a corner joint, and the cross beam is connected with the stand through the corner joint.

[0013] Further, the corner joint comprises a first connecting part and a second connecting part, the first connecting part and the second connecting part are at a 90° angle, the first connecting part is connected with the adjusting keel, and the second connecting part is connected with the stand.

[0014] Further, the flexible beam is provided with a connecting head at both ends, and the flexible beam is fixedly connected with the stand through the connecting head.

[0015] Further, the flexible beam is a U-shaped light steel keel, the opening of the flexible beam faces the cross beam and the stand, a plurality of V-shaped notches and fixing holes are arranged on the side wall of the flexible beam, and the flexible beam is fixedly connected with the cross beam and the stand through the fixing holes.

[0016] Further, the first keel, the second keel, the third keel and the fourth keel are U-shaped and / or C-shaped light steel keels.

[0017] The adjustable gantry provided by the application can be installed simply without cutting the materials of the gantry on the site of the steel structure building construction, time and manpower can be saved, the design of the flexible beam with adjustable span can adapt to the installation requirements of different gantry widths, and the function requirements and the appearance of the gantry can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] One or more embodiments are illustrated by way of example in the figures that form a part of this patent document, these example are not intended to limit the embodiments, elements having the same reference numbers in the figures indicate like elements, unless otherwise specified, the figures in the drawings do not constitute a proportional limit.

[0019] Figure 1 is a gantry structure schematic diagram in the embodiment of the application;

[0020] Figure 2 is a gantry structure schematic diagram in the embodiment of the application;

[0021] Figure 3 is a structure schematic diagram of the column and the adjusting keel in the embodiment of the application;

[0022] Figure 4 is a structure schematic diagram of the column and the adjusting keel in the embodiment of the application;

[0023] The reference signs are as follows: 100, column; 110, first keel; 111, first positioning column; 120, second keel; 121, first adjusting hole; 200, cross beam; 210, adjusting keel; 211, third keel; 212, fourth keel; 213, second positioning column; 214, second adjusting hole; 220, angle joint; 221, first connecting part; 222, second connecting part; 300, flexible beam; 301, connecting head; 400, supporting column. DETAILED DESCRIPTION

[0024] To make the purpose, technical scheme and advantages of the application more clear, the embodiments of the application will be described in detail below with reference to the drawings. However, those skilled in the art can understand that, in the embodiments of the application, many technical details are proposed to make the readers better understand the application. However, even without these technical details and based on various changes and modifications of the following embodiments, the technical scheme claimed in the claims of the application can be realized.

[0025] The embodiments of the application relate to an adjustable gantry. Figures 1-4As shown, it includes two columns 100, a crossbeam 200 disposed between the two columns 100, a support column 400 vertically disposed above the crossbeam 200, a flexible beam 300 disposed below the crossbeam 200, the top of the flexible beam 300 abutting against the crossbeam 200, the flexible beam 300 disposed between the two columns 100, and the left and right ends of the flexible beam 300 respectively connected to the columns 100.

[0026] The column 100 includes a first keel 110 and a second keel 120. Preferably, the first keel 110 and the second keel 120 are U-shaped or C-shaped light steel keels. The open ends of the first keel 110 and the second keel 120 are engaged with each other, and the first keel 110 can move relative to the second keel 120 along its length extension direction. In one embodiment, the upper side wall of the second keel 120 is provided with a first adjustment hole 121. The first adjustment hole 121 is an elongated hole, such as an oblong hole or a rectangular hole. The long side of the first adjustment hole 121 extends along the length direction of the fourth keel 212. The first adjustment hole 121 is disposed on the side wall of the second keel 120. A first positioning post 111 is provided on the side wall of the first keel 110 corresponding to the first adjustment hole 121. When the position of the first keel 110 relative to the second keel 120 is adjusted along its length extension direction, the first positioning post 111 moves along the length direction of the first adjustment hole 121. The first positioning post 111 can be stopped and limited by the edge of the first adjusting hole 121, thereby preventing relative displacement between the first keel 110 and the second keel 120. The maximum stroke of the first keel 110 relative to the second keel 120 is the same as the maximum stroke of the first positioning post 111 along the length direction of the first adjusting hole 121. Preferably, the first positioning post 111 is provided with external threads. After the first keel 110 is adjusted to a suitable position relative to the second keel 120, it is locked by a nut with the first positioning post 111 to fix the first keel 110 and the second keel 120. Of course, the first adjusting hole 121 can also be set on the bottom wall of the second keel 120, and the first positioning post 111 is correspondingly set on the bottom wall of the first keel 110. The first keel 110 and the second keel 120 can also be fixedly connected by a nut with the first positioning post 111.

[0027] The crossbeam 200 comprises an adjusting keel 210 and a corner joint 220, the adjusting keel 210 comprises a third keel 211 and a fourth keel 212, preferably the third keel 211 and the fourth keel 212 are U or C type light steel keels, the open ends of the third keel 211 and the fourth keel 212 are buckled oppositely, and the third keel 211 can move relative to the fourth keel 212 in the length direction of the third keel 211. In an embodiment, the fourth keel 212 is provided with a second adjusting hole 214, the second adjusting hole 214 is a long hole such as an oblong hole, a rectangular hole and the like, the long side of the second adjusting hole 214 extends along the length direction of the fourth keel 212, the second adjusting hole 214 is arranged on the side wall of the fourth keel 212, and a second positioning column 213 corresponding to the second adjusting hole 214 is arranged on the side wall of the third keel 211, the second positioning column 213 is inserted into the second adjusting hole 214, and when the third keel 211 is adjusted relative to the fourth keel 212 in the length direction, the second positioning column 213 is displaced in the length direction of the second adjusting hole 214, the second positioning column 213 can be limited by the edge of the second adjusting hole 214, so as to prevent the relative displacement of the third keel 211 and the fourth keel 212, and the maximum stroke of the displacement of the third keel 211 relative to the fourth keel 212 is the same as the maximum stroke of the displacement of the second positioning column 213 in the length direction of the second adjusting hole 214, preferably, the second positioning column 213 is provided with external threads, and after the third keel 211 is adjusted to the appropriate position relative to the fourth keel 212, the third keel 211 and the fourth keel 212 are fixedly connected by the cooperation of the nut and the second positioning column 213. Of course, the second adjusting hole 214 can also be arranged on the bottom wall of the fourth keel 212, and the second positioning column 213 is correspondingly arranged on the bottom wall of the third keel 211, and the third keel 211 and the fourth keel 212 can also be fixedly connected by the cooperation of the nut and the second positioning column 213.

[0028] The corner joint 220 is generally L-shaped and comprises a first connecting part 221 and a second connecting part 222, the first connecting part 221 is fixedly connected with the second connecting part 222, preferably, the first connecting part 221 and the second connecting part 222 are integrally formed, and the included angle between the first connecting part 221 and the second connecting part 222 is 90°. The first connecting part 221 is fixedly connected with one end of the adjusting keel 210, and the second connecting part 222 is fixedly connected with the stand column 100, and various conventional fixing methods such as adhesion, welding and fastener fixing can be used between the corner joint 220 and the adjusting keel 210 and the stand column 100, preferably, the corner joint 220 is fixedly connected with the adjusting keel 210 and the stand column 100 by fasteners such as screws or rivets.

[0029] In one embodiment, the corner joint 220 is a U-shaped light steel keel, and a V-shaped notch is arranged on the side wall of the U-shaped light steel keel, the tip of the V-shaped notch faces the bottom wall, and the light steel keel at both ends of the V-shaped notch is bent to form a 90° angle. Preferably, a plurality of fixing holes are arranged on the side wall of the corner joint 220, and the fixing holes are used for the fixed connection of the corner joint 220 with the adjusting keel 210 and the stand column 100.

[0030] The flexible beam 300 is flexible and can be bent and deformed, and the length of the side line is greater than the distance between the two stand columns 100. The two ends of the flexible beam 300 are provided with connecting heads 301, the flexible beam 300 is fixedly connected with the stand columns 100 through the connecting heads 301, and the flexible beam 300 is in an arc shape between the stand columns 100, and the top end of the arc shape abuts and is fixed with the cross beam 200. The fixing mode of the flexible beam 300 and the cross beam 200 can adopt various conventional fixing modes, such as adhesion, welding, fastener fixing, etc. Preferably, the top end of the arc of the flexible beam 300 is fixed with the cross beam 200 by using a fastener, such as a screw or a rivet. By adjusting the bending degree of the flexible beam 300, the distance between the connecting heads 301 is adjusted to match the distance between the stand columns 100, so that the installation requirement of the flexible beam 300 for the stand columns 100 with different distances can be met. Various conventional fixing modes can be adopted between the connecting heads 301 and the stand columns 100, such as adhesion, welding, fastener fixing, etc. Preferably, the connecting heads 301 are fixed with the stand columns 100 by using a fastener, such as a screw or a rivet.

[0031] In one embodiment, the flexible beam 300 is a U-shaped light steel keel, and a V-shaped notch is arranged on the side wall of the U-shaped light steel keel, so that the two ends of the flexible beam 300 can be bent towards the direction of the tip of the V-shaped notch. The opening direction of the U-shaped cross section of the flexible beam 300 faces the cross beam 200. The greater the bending degree of the flexible beam 300, the smaller the distance between the connecting heads 301. The smaller the bending degree of the flexible beam 300, the greater the distance between the connecting heads 301. The connecting heads 301 are integrally formed at the two ends of the flexible beam 300 and have a certain angle with the main body part of the flexible beam 300. The opening direction of the U-shaped cross section of the connecting heads 301 faces the stand columns 100. Preferably, a plurality of fixing holes are arranged on the side wall of the flexible beam 300, and the fixing holes are used for the fixed connection of the flexible beam 300 with the stand columns 100 and the cross beam 200, such as a screw or a rivet.

[0032] In use, first, the installation of the column 100 is carried out, according to the required height of the column 100, the position of the first keel 110 relative to the second keel 120 is adjusted, after being adjusted to the appropriate position, fasteners are used for limiting and fixing, similarly, the span of the cross beam 200 is adjusted according to the distance between the columns 100, after being adjusted to the appropriate position, the cross beam 200 is fixed, then the cross beam 200 and the column 100 are fixedly connected through the angle joint 220, finally, the flexible beam 300 is clamped between the columns 100, the two ends of the flexible beam 300 are fixed with the columns 100 through the connecting head 301, and the flexible beam 300 is fixedly connected with the cross beam 200 through fasteners.

[0033] The adjustable gantry provided by the application can be used in the construction site of a steel structure building without cutting the materials of the gantry, and the installation of the gantry is simple, time and manpower can be saved, the design of the flexible beam with adjustable span can adapt to the installation requirements of different gantry widths, and the function requirements and the appearance of the gantry can be improved.

[0034] Those skilled in the art can understand that the above-mentioned embodiments are specific examples for realizing the application, and in actual application, various changes can be made in form and details without departing from the spirit and scope of the application.

Claims

1. An adjustable gantry, characterized in that, The device includes two uprights and a crossbeam positioned between the two uprights. Each upright includes a first keel and a second keel that interlock with each other. The first keel can be displaced relative to the second keel along the length extension direction to adjust the height of the upright. The crossbeam includes an adjusting keel, which includes a third keel and a fourth keel that interlock with each other. The third keel can be displaced relative to the fourth keel along the length extension direction to adjust the span of the crossbeam. The first keel is provided with a first positioning post, and the second keel is provided with a first adjustment hole at a position corresponding to the first positioning post. The first adjustment hole is an elongated hole, and the first positioning post is disposed through the first adjustment hole. The maximum stroke of the first keel relative to the second keel is the same as the maximum stroke of the first positioning post along the length direction of the first adjustment hole. The third keel is provided with a second positioning post, and the fourth keel is provided with a second adjustment hole at a position corresponding to the second positioning post. The second adjustment hole is an elongated hole, and the second positioning post is disposed through the second adjustment hole. The maximum stroke of the third keel relative to the fourth keel is the same as the maximum stroke of the second positioning post along the length direction of the second adjustment hole. It also includes a flexible beam, which is tough and can be bent and deformed. The top of the flexible beam abuts against the crossbeam. The flexible beam is arc-shaped and set between two columns. The two ends of the flexible beam are provided with connectors. The flexible beam is fixedly connected to the columns through the connectors. The flexible beam is a U-shaped light steel keel. The opening of the flexible beam faces the crossbeam and the column. The side wall of the flexible beam is provided with multiple V-shaped notches and fixing holes. The flexible beam is fixedly connected to the crossbeam and the column through the fixing holes.

2. The adjustable gantry according to claim 1, characterized in that, The first positioning post is provided with external threads, and a nut is provided to fit the first positioning post. The first keel and the second keel are fixedly connected by the nut engaging with the first positioning post.

3. The adjustable gantry according to claim 1, characterized in that, The second positioning post is provided with external threads, and a nut is provided to fit the second positioning post. The third keel and the fourth keel are fixedly connected by the nut engaging with the second positioning post.

4. The adjustable gantry according to claim 1, characterized in that, The crossbeam also includes a corner joint, through which the crossbeam is connected to the column.

5. The adjustable gantry according to claim 4, characterized in that, The corner joint includes a first connecting part and a second connecting part, the first connecting part and the second connecting part are at a 90° angle, the first connecting part is connected to the adjusting keel, and the second connecting part is connected to the column.

6. The adjustable gantry according to any one of claims 1-5, characterized in that, The first keel, the second keel, the third keel, and the fourth keel are U-shaped and / or C-shaped light steel keels.

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