CN211769830U - Variable-amplitude gantry crane for component transfer - Google Patents

Abstract

The utility model belongs to the technical field of the construction technology and specifically relates to a become width of cloth formula portal crane for component is transported, including the portal frame, the portal frame bottom is articulated with the structural steel roof beam, portal frame bottom top is equipped with lifts by crane otic placode and becomes width of cloth otic placode, lift by crane the otic placode and be used for and wait to transport the girder steel through wire rope, it is connected with wire rope and is used for the pulling portal frame rotation to become width of cloth otic placode. The utility model discloses simple manufacture, convenient to use solve the problem that on-the-spot hoisting equipment hung heavy restriction.

Description

Variable-amplitude gantry crane for component transfer

Technical Field

The utility model belongs to the technical field of the construction technology and specifically relates to a become width of cloth formula portal crane for component is transported.

Background

The dependence of the building construction process on hoisting equipment is very large, and the problems that the coverage area of the hoisting equipment is exceeded, the hoisting performance of the hoisting equipment is limited, the field operation space is narrow and small and the like often occur.

The application number 201410618732.7 of the amplitude-variable gantry crane device is the amplitude-variable gantry crane device, gears at two ends of a driving shaft are driven by a swing reducer, and the gears are meshed with a fluted disc at the lower end of a driving gantry frame to realize the swing amplitude variation of the gantry crane; the hoisting speed changer drives a steel wire rope of the hoisting mechanism, and the steel wire rope is connected with the lifting hook to carry out hoisting work. The hoisting driving shaft is provided with an electromagnetic brake device to realize automatic holding of the hoisting shaft in a power failure state so as to improve the safety performance of the gantry crane. But the structure is complex and the installation is troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a become width of cloth formula portal crane for component is transported, the utility model discloses possess simple manufacture, convenient to use's advantage to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a become width of cloth formula portal crane for component is transported which characterized in that: the gantry crane comprises a gantry frame, wherein the bottom of the gantry frame is hinged to a structural steel beam, a lifting lug plate and an amplitude lug plate are arranged at the bottom top of the gantry frame, the lifting lug plate is used for transferring the steel beam through a steel wire rope, and the amplitude lug plate is connected with the steel wire rope and used for pulling the gantry frame to rotate.

Furthermore, pulley blocks are hung on the lifting lug plate and the amplitude lug plate, and the steel wire rope is connected with the pulley blocks in a matching manner.

Furthermore, the portal frame comprises two upright posts, the top ends of the two upright posts are fixedly connected through a cross beam, a lifting lug plate is arranged in the middle of the cross beam, and two amplitude-changing lug plates are respectively arranged on two sides of the lifting lug plate on the cross beam; the bottom ends of the two upright posts are connected with the structural steel beam through hinges.

Furthermore, the crossbeam is cylindrical, and the centre of lifting lug plate and width of cloth lug plate has all seted up the round hole for the cover rotates on the crossbeam.

Furthermore, stand and crossbeam are through stiffening plate fixed connection, support fixed connection between two stands through the post.

Furthermore, two ends of the cross beam are respectively provided with a lifting lug.

Further, the lower part of the upright post is provided with an anti-tipping rod, and the anti-tipping rod is positioned on the opposite side of the transported steel beam.

Furthermore, the anti-tipping rod comprises H-shaped steel and a section steel head plate, the upper end of the H-shaped steel is welded with the upright column in a penetrating manner, and the lower end of the H-shaped steel is welded with the section steel head plate.

Furthermore, the amplitude variation range of the portal frame is controlled within 80 degrees, and when the included angle between the portal frame and the horizontal plane is 80 degrees, the anti-tipping rod is supported by the structural steel beam.

Furthermore, a ladder stand is arranged on the upright post.

Compared with the prior art, the utility model discloses beneficial effect: the utility model comprises a portal frame, a lifting ear plate, an amplitude ear plate, a column foot and an anti-toppling support, wherein the lifting ear plate is hung with a lifting pulley block, so that the component can be vertically transported; the amplitude variation pulley block is pulled by the amplitude variation lug plate, so that the portal frame can change amplitude around the rotatable column foot, and the component can be horizontally transported; the portal frame is provided with the anti-toppling support, so that the amplitude variation angle can be controlled, and the portal crane is prevented from toppling over due to excessive amplitude variation. The utility model discloses simple manufacture, convenient to use solve the problem that on-the-spot hoisting equipment hung heavy restriction.

Drawings

Fig. 1 is a construction principle schematic diagram of a luffing gantry crane for component transportation in the embodiment.

Fig. 2 is a schematic front view of a gantry in an embodiment.

Fig. 3 is a schematic view of the column in the example.

In the figure: 1-a cross beam; 2-upright post; 3-a stiffening plate; 4-lifting lugs; 5, climbing a ladder; 6-lifting the lug plate; 7-amplitude-variable ear plates; 8-connecting plates; 9-a component embedding plate; 10-a pin shaft; 11-anti-tip bar; 12-a head sealing plate; 13-inter-column support; 14-steel beam.

Detailed Description

For better understanding of the present invention, the technical solution of the present invention will be further described below with reference to the following embodiments and accompanying drawings.

As shown in fig. 1, 2 and 3, the luffing gantry crane for transferring components comprises a trapezoidal gantry frame, wherein the gantry frame comprises two upright posts 2, each upright post is a round tube with the diameter of 325 × 20 and the length of 10 m; the top ends of two upright posts 2 are fixedly connected through a cross beam 1, two ends of the cross beam 1 are vertically welded on the upright posts 2 in a penetrating manner, the cross beam 1 is a circular tube with the diameter of 325 multiplied by 20, and the length of the cross beam 1 is 4 m; the upright posts 2 are fixedly connected with the cross beam 1 through the reinforcing plate 3, and the reinforcing plate 3 is a trapezoidal steel plate with the thickness of 20mm, so that the span of the cross beam is reduced, and the portal frame body is reinforced; the two upright posts 2 are fixedly connected through inter-post supports 13, the cross sections of the inter-post supports 13 are L100 x 10, and the inter-post supports are welded with the upright posts 2 in a penetrating mode.

As shown in fig. 2, a lifting lug plate 6 is arranged in the middle of the cross beam 1, and two amplitude lug plates 7 are respectively arranged on two sides of the lifting lug plate 6 on the cross beam 1; the bottom ends of the two upright posts 2 are connected with the structural steel beam through hinges. The hinge comprises connecting lug plates 8, embedded part plates 9 and a pin shaft 10, wherein the connecting lug plates 8 are semicircular steel plates, the thickness of each plate is 20mm, the connecting lug plates are vertically welded on the center line of a sealing plate at the lower end of the upright post 2 and are provided with round holes with the diameter of 55, the embedded part plates 9 are two semicircular steel plates, the thickness of each plate is 20mm, the embedded part plates are welded on the structural steel beam, the connecting lug plates are inserted between the embedded part plates and are fixedly connected through the pin shaft 10.

As shown in fig. 3, the lifting lugs 6 are oval steel plates, are formed by welding two steel plates with the thickness of 20mm, are arranged in the middle of the cross beam 1, and are provided with a circular hole with the diameter 2cm larger than the outer diameter of the circular tube cross beam 1 at the center, so that the lifting lugs 6 can be sleeved on the circular tube cross beam 1 and can freely rotate; and a small round hole is formed in the lower part of the lifting lug 6 and used for hanging a lifting pulley block, and the lifting lug plate 6 is connected with a steel beam 14 to be transported through a pulley block and a steel wire rope.

As shown in fig. 2 and 3, the amplitude-variable lifting lug 7 is an oval steel plate, the plate thickness is 20mm, a round hole with the diameter 2cm larger than the outer diameter of the cross beam 1 is formed in the upper part of the amplitude-variable lifting lug, so that the amplitude-variable lifting lug 7 can be sleeved on the round tube cross beam 1 and can freely rotate, a small round hole is formed in the lower part of the amplitude-variable lifting lug and used for hanging an amplitude-variable pulley block, and the amplitude-variable. Two ends of the cross beam 1 are respectively welded with a lifting lug 4.

As shown in fig. 1, the lower part of the upright 2 is provided with an anti-tipping rod 11, and the anti-tipping rod 11 is positioned at the opposite side of a transferred steel beam 14. The anti-tipping rod 11 comprises H-shaped steel and a head sealing plate 12, the anti-tipping rod 11 can ensure that the portal frame does not tip, the cross section of the H-shaped steel is HW200 × 8 × 12, the H-shaped steel is welded with the upright post 2 in a penetrating mode, and the head sealing plate 12 is welded at the other end of the H-shaped steel. The amplitude range of the portal frame is controlled within 80 degrees, and when the included angle between the portal frame and the horizontal plane is 80 degrees, the anti-tipping rod 11 is supported by the structural steel beam.

As shown in fig. 1, a ladder stand 5 is arranged on the upright post 2, and a plurality of U-shaped round steel with the diameter phi 12 of the round pipe is welded on the surface of the upright post 2 along the length direction to be used as the ladder stand 5 which passes up and down.

The utility model discloses a become width of cloth formula portal crane for component is transported, portal frame are formed by the pipe preparation, hang through lifting by crane otic placode 6 and establish the assembly pulley and transport the component perpendicularly, hang through becoming width of cloth otic placode 7 and establish the assembly pulley with the transportation of component level, become width of cloth angle through preventing turning over pole 11 control, prevent that portal frame excessively becomes width of cloth and overturn to this accomplishes the perpendicular and horizontal transportation work of girder steel 14 component.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a become width of cloth formula portal crane for component is transported which characterized in that: the gantry crane comprises a gantry frame, the bottom of the gantry frame is hinged to a structural steel beam, a lifting lug plate (6) and an amplitude lug plate (7) are arranged at the top of the bottom of the gantry frame, the lifting lug plate (6) is used for transferring the steel beam (14) to be transferred through a steel wire rope, and the amplitude lug plate (7) is connected with the steel wire rope and used for pulling the gantry frame to rotate.

2. The luffing gantry crane for component transfer of claim 1, wherein: pulley blocks are hung on the lifting lug plate (6) and the amplitude lug plate (7), and the steel wire rope is connected with the pulley blocks in a matching manner.

3. The luffing gantry crane for component transfer of claim 1, wherein: the portal frame comprises two upright posts (2), the top ends of the two upright posts (2) are fixedly connected through a cross beam (1), a lifting lug plate (6) is arranged in the middle of the cross beam (1), and two amplitude-changing lug plates (7) are respectively arranged on two sides of the lifting lug plate (6) on the cross beam (1); the bottom ends of the two upright posts (2) are connected with the structural steel beam through hinges.

4. The luffing gantry crane for component transfer of claim 3, wherein: the cross beam (1) is cylindrical, and round holes are formed in the centers of the lifting lug plate (6) and the amplitude-variable lug plate (7) and used for being sleeved on the cross beam (1) to rotate.

5. The luffing gantry crane for component transfer of claim 3, wherein: the upright columns (2) are fixedly connected with the cross beam (1) through the reinforcing plate (3), and the two upright columns (2) are fixedly connected through the inter-column support (13).

6. The luffing gantry crane for component transfer of claim 3, wherein: two ends of the cross beam (1) are respectively provided with a lifting lug (4).

7. The luffing gantry crane for component transfer of claim 3, wherein: the lower part of the upright post (2) is provided with an anti-tipping rod (11), and the anti-tipping rod (11) is positioned on the opposite side of the transferred steel beam (14).

8. The luffing gantry crane for component transfer of claim 7, wherein: the anti-tipping rod (11) comprises H-shaped steel and a section steel head sealing plate (12), the upper end of the H-shaped steel is welded with the upright column (2) in a penetrating manner, and the lower end of the H-shaped steel is welded with the section steel head sealing plate (12).

9. The luffing gantry crane for component transfer of claim 7, wherein: the amplitude variation range of the portal frame is controlled within 80 degrees, and when the included angle between the portal frame and the horizontal plane is 80 degrees, the anti-tipping rod (11) is supported by the structural steel beam.

10. The luffing gantry crane for component transfer of claim 7, wherein: the upright post (2) is provided with a ladder stand (5).

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