CN212101602U - Arc roofing metal sheet hoist and mount auxiliary device - Google Patents

Abstract

The utility model discloses an arc roofing metal sheet hoist and mount auxiliary device belongs to metal sheet hoist and mount technical field, including auxiliary device, auxiliary device sets up to the arc structure, auxiliary device includes 2 upper chords, 2 lower chords, a plurality of diagonal web members, a plurality of vertical web member and a plurality of horizontal support pole, 2 upper chords and 2 lower chords all set up to the arc structure, 2 upper chords parallel arrangement, 2 lower chords set up the bottom at 2 upper chords, and vertical web member fixes between 2 upper chords, and horizontal support pole fixes between the lower chord of the upper chord on the coplanar, and diagonal web member slope sets up between the lower chord of the upper chord on the coplanar. The utility model discloses protection reliability is good, efficient, and this hoist and mount auxiliary device bears hoist and mount loads such as hoist cable, arc metal sheet. The auxiliary hoisting device has wide application range and good economic benefit, and can be applied to hoisting of the arc-shaped roof metal plates in various roof environments.

Description

Arc roofing metal sheet hoist and mount auxiliary device

Technical Field

The utility model relates to a metal sheet hoist and mount technical field especially relates to an arc roofing metal sheet hoist and mount auxiliary device.

Background

The profiled metal sheet for building is a corrugated steel sheet formed by galvanizing or aluminizing zinc on a cold-rolled thin steel sheet as a substrate and rolling and cold-bending the cold-rolled thin steel sheet by a forming machine with a color coating. The thickness is usually 0.4-1.6 mm, and the shape mainly includes corrugated, V-shaped, U-shaped, W-shaped, trapezoidal or similar light building boards. The common steel sheets mainly include color-coated steel sheets, hot-dip galvanized steel sheets, aluminum-zinc alloy-plated steel sheets and other surface-treated steel sheets, and stainless steel sheets, aluminum alloy sheets, copper sheets, titanium alloy sheets and the like can also be used.

The pressed metal plate is widely applied to various buildings, such as industrial factory buildings, warehouses, hangars, stadiums, exhibition centers, commercial and trade markets, furniture catering, high-rise buildings, residences, villas, earthquake-resistant and disaster-relief combined houses and other various industrial and civil buildings. The building material has the characteristics of flexible forming, high construction speed, attractive appearance, light weight, easiness in industrialization, commercial reproduction and the like, and is widely used as a building roof and wall maintenance material.

Because the profiled metal sheet is very light and thin, if the stress is improper, deformation damage such as bending, curling, distortion and the like can easily occur. How to convey the soft profiled metal sheets to the building roof for installation is a great difficulty in construction.

The utility model discloses a "gallows that is used for arc roof boarding to hoist" 201620811043.2, to the perpendicular handling of arc roofing metal sheet, a gallows is disclosed, this gallows can effectively solve the perpendicular transportation of arc metal sheet near from ground to roofing, but when placing the metal sheet in the roof, still not enough, because, when using this gallows to hoist, the metal sheet face is towards both sides, with the face up (down) inconsistent during installation, when the metal sheet hoist to the roof, one, if place it in the mounted position in the very first time and thus improve the efficiency of construction, must rotate it 90, and in the process of rotating the metal sheet, the change of atress size, direction still can cause the deformation damage of metal sheet, the reliability is not enough; secondly, if a method of rotating 90 degrees is to be avoided, a proper plane field (if no temporary platform is needed to be set up) needs to be found on the roof to unload the metal plates, and then the metal plates are transported to the installation position one by adopting a manual transportation method.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an arc roofing metal sheet hoist and mount auxiliary device solves the not enough, the low, the limited technical problem of suitable (condition) scope of current arc roofing metal sheet hoist and mount protection reliability.

The utility model provides an arc roofing metal sheet hoist and mount auxiliary device, includes auxiliary device, auxiliary device sets up to the arc structure, auxiliary device includes 2 upper chords, 2 lower chords, a plurality of diagonal web members, a plurality of vertical web member and a plurality of horizontal support pole, 2 upper chords and 2 lower chords all set up to the arc structure, 2 upper chords parallel arrangement, 2 lower chords set up in the bottom of 2 upper chords, and vertical web member fixes between 2 upper chords, and horizontal support pole fixes between the lower chord of the upper chord on the coplanar, and diagonal web member slope sets up between the lower chord of the upper chord on the coplanar.

Further, the utility model discloses still include the fibre suspender, the fibre suspender is fixed the arc metal sheet in auxiliary device's bottom.

Further, the width W of the auxiliary device is the same as the section width of the arc-shaped metal plate, the curvature radius R of the upper chord and the lower chord is equal to the curvature radius of the arc-shaped metal plate, and the arc length RL of the lower chord is 300mm longer than the arc length of the arc-shaped metal plate.

Furthermore, the inclined web members, the vertical web members and the horizontal support rods are fixed with the upper chord members and the lower chord members by welding, and the inclined web members, the vertical web members and the horizontal support rods are made of steel pipes.

Further, still include the hoist cable, the hoist cable is fixed in the both sides of auxiliary device.

The utility model adopts the above technical scheme, the utility model discloses following technological effect has:

(1) the utility model has good protection reliability and high efficiency, the hoisting auxiliary device bears hoisting loads such as a sling, an arc-shaped metal plate and the like, and the hoisting auxiliary device has good rigidity and can resist deformation caused by internal force of the load, thereby playing a role of fully protecting the arc-shaped metal plate; the arc-shaped metal plate is placed close to the lower chord of the hoisting auxiliary device and is bound and fixed with the hoisting auxiliary device by adopting a plurality of fiber hanging strips, so that good effects of uniform stress, balanced constraint, stability, no shaking and no deformation are achieved in the vertical hoisting process; the arc length RL of the lower chord of the hoisting auxiliary device is 300mm longer than the arc length of the arc-shaped metal plate, so that the arc-shaped metal plate can be prevented from being contacted with the ground to generate extrusion deformation when hoisting and overturning are carried out; when the auxiliary device is used for hoisting the metal plate, the surface of the metal plate faces upwards (downwards) and is consistent with the surface of the metal plate facing upwards (downwards) in installation, and when the metal plate is hoisted to a roof, the metal plate can be unloaded and put in place at the installation position at the first time, so that the possibility of deformation and damage caused by intermediate procedures such as roof rotation and the like in the prior art is eliminated, the hoisting time is shortened, and the efficiency is improved;

(2) the auxiliary hoisting device has wide application range and good economic benefit, can be applied to hoisting of the arc-shaped roof metal plates under various roof environments, does not need to set up a temporary platform, and reduces the construction cost; the hoisting auxiliary device is designed into an arch lattice type, has light dead weight, stable structure and good mechanical property, can meet the hoisting load requirement, and reduces the performance requirement of the crane, thereby reducing the machine-team cost of the crane.

Drawings

Fig. 1 is a schematic view of the hoisting structure of the auxiliary device of the present invention.

FIG. 2 is a schematic view of the structure A-A of FIG. 1.

Fig. 3 is a schematic structural diagram of the auxiliary device of the present invention.

Fig. 4 is a schematic view of the structure B-B of fig. 3.

Fig. 5 is a schematic diagram of the P-direction structure of fig. 3.

Reference numbers in the figures: 1. an auxiliary device; 1.1, an upper chord; 1.2, a lower chord; 1.3, a diagonal web member; 1.4, vertical web members; 1.5, horizontal supporting rods; 2. a fiber sling; 3. an arc-shaped metal plate; 4. a sling.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, preferred embodiments are described in detail. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

As shown in fig. 1, the utility model relates to an arc roofing metal sheet hoist and mount auxiliary device, be the arc including 1 outward appearance of auxiliary device, the cross-sectional form is rectangle lattice formula, and its part includes 2 upper chords 1.1, 2 lower chords 1.2, a plurality of diagonal web members 1.3, a plurality of vertical web members 1.4, a plurality of horizontal support pole 1.5. The connection method between the components adopts welding connection. All components are steel pipes. The upper and lower chords 1.1, 1.2 are bent by a pipe bending method.

In the overall dimension parameters of the hoisting auxiliary device 1, the width W is the same as the width of the section of the arc-shaped metal plate, the curvature radius R of the lower chord 1.2 is equal to the sum of the curvature radius of the arc-shaped metal plate and the height of the section of each batch of arc-shaped metal plates to be hoisted after being stacked, and the arc length RL of the lower chord 1.2 is 300mm longer than the arc length RL of the arc-shaped metal plates.

Principle of the scheme

The hoisting auxiliary device is designed into an arch lattice type, the mechanical property meets the hoisting load requirement, and enough rigidity can resist the deformation of the load internal force and has the effect of fully protecting the arc-shaped metal plate;

the arc-shaped metal plate is placed close to the lower chord of the hoisting auxiliary device, and is bound and fixed with the hoisting auxiliary device by adopting the plurality of fiber hanging strips, so that the good effects of uniform stress, balanced constraint, stability and no shaking and no deformation are achieved in the vertical hoisting process.

Fourth, implementation of the embodiment

The auxiliary hoisting device is used for hoisting the arc-shaped roof metal plate, and sequentially comprises 4 working procedures of preparation, overturning, hoisting in place and the like.

Preparing

According to the field condition, the station position of the crane is determined, a flat and solid field is selected within the specified operation radius of the crane, the hoisting auxiliary device is laterally placed, the auxiliary device is ensured to be stable and not to shake, and sleepers can be laid for protection if necessary;

after the hoisting auxiliary device is placed on the side stably, arc-shaped metal plates are placed according to a certain number, and each metal plate is conveyed to the inner side of the auxiliary device by multiple persons and placed in the lateral direction, and the arc-shaped metal plates are ensured to be attached to the lower chord and the metal plates.

Before the arc-shaped metal plate is placed, a plurality of fiber hanging strips are uniformly arranged in the arc length direction of the bottom of the hoisting auxiliary device, after the arc-shaped metal plate is placed, the arc-shaped metal plate and the hoisting auxiliary device can be firmly bound by each hanging strip, and the hanging strips can be conveniently untied after the arc-shaped metal plate is hoisted to a roof by a binding method.

② turning over

The lower ends of 2 steel wire rope (fiber sling) slings are bound on the specified lifting point of the upper chord of the hoisting auxiliary device through shackles, the upper ends of the 2 steel wire rope (fiber sling) slings are connected to a crane hook, and the crane hook is slowly lifted, so that the hoisting auxiliary device rotates around the contact point between the bottom of the device and the ground.

Thirdly, hoisting

After the hoisting auxiliary device is turned over and erected, the crane continues to lift the lifting hook, and the hoisting auxiliary device and the arc-shaped roof metal plate are hoisted to the roof installation position.

Put in place

After the hoisting auxiliary device and the metal plate are hoisted to the roof installation position by the crane, under the command of an operator, the crane slowly descends the lifting hook, unloads the arc-shaped metal plate on the roof structure, sequentially unties a plurality of fiber lifting belts bound by the metal plate and the auxiliary device, and separates the hoisting auxiliary device from the arc-shaped metal plate, thereby completing the hoisting of the batch of arc-shaped metal plates.

Manufacturing method of hoisting auxiliary device

With reference to fig. 3, a method for manufacturing the auxiliary hoisting device 1 is described as follows:

the manufacturing process comprises the following steps: design → part upper chord 1.1, lower chord 1.2, oblique web member 1.3, vertical web member 1.4, horizontal support bar 1.5 blanking → upper chord 1.1, lower chord 1.2 bending → assembling and welding

1. Design of

The hoisting auxiliary device 1 is designed in detail according to parameters such as the size, the weight and the like of the arc-shaped roof metal plate, the BIM technology and ABQUES finite element analysis software are adopted to carry out design and stress checking and checking respectively, and finally, a CAD processing drawing is output as shown in the figure 3.

2. Blanking of upper chord 1.1, lower chord 1.2, oblique web member 1.3, vertical web member 1.4 and horizontal support bar 1.5

And cutting each part according to the drawing size by adopting a grinding wheel cutting machine, cutting the connecting intersecting part into corresponding inclined openings according to a real object, and preparing for combination and assembly.

3. Upper chord 1.1 and lower chord 1.2 bending

And bending the upper chord 1.1 and the lower chord 1.2 according to the specified curvature radius R by using a hydraulic pipe bender, and finally checking by using a reference radian measuring plate to ensure that the upper chord 1.1 and the lower chord 1.2 are qualified in bending.

4. Combined assembly welding

4.1 drawing a single-chip arc device upper chord 1.1, a lower chord 1.2, an inclined web member 1.3 and a vertical web member 1.4 component datum line on the combined assembly platform according to the drawing size in a ratio of 1:1, welding and fixing a plurality of vertical limiting upright stanchions at two sides of the datum line, wherein the limiting upright stanchions are uniformly arranged in the arc length direction and have the same number of inner sides and outer sides, so as to fix the positions of the upper chord 1.1 and the lower chord 1.2 of the upper chord and the lower chord;

4.2 sequentially placing the upper chord member 1.1 of the upper chord member and the lower chord member, the lower chord member 1.2, the inclined web members 1.3, the vertical web members 1.4 and the like into the limiting member on the datum line, and performing spot welding connection and fixation to complete the combination and assembly of the single-plate arc-shaped device;

4.3 in the assembly platform, stably placing the sheet-shaped arc device on one side at the bottom, then lifting the other arc device along the limiting vertical rod, wherein the lifting height is consistent with the width W of the hoisting auxiliary device, adjusting to ensure that the upper and lower arc devices are superposed in the horizontal projection direction, and finally fixing the upper and lower arc devices on the limiting vertical rod in a spot welding manner;

4.4 installing a horizontal support rod member 1.5 between the two arc-shaped devices;

4.5 after the welding is finished, the limiting vertical rod is detached.

Second, implementation of the hoisting scheme of the arc-shaped roof metal plate

With reference to fig. 1 and 2, the implementation method of the arc-shaped roof metal plate hoisting scheme is described as follows:

the auxiliary hoisting device 1 is used for hoisting the arc-shaped roof metal plate, and comprises 4 processes of preparation, overturning, hoisting, in-place and the like.

Preparing

According to the field condition, the station position of the crane is determined, a flat and solid field is selected within the specified operation radius of the crane, the auxiliary hoisting device 1 is laterally placed to ensure that the auxiliary hoisting device 1 is stable and does not shake, and sleepers can be laid for protection when necessary;

after the hoisting auxiliary device 1 is placed on the side stably, arc-shaped metal plates are placed according to a certain number, and each metal plate is conveyed to the inner side of the auxiliary device by multiple persons and placed in the lateral direction, and the arc-shaped metal plates are ensured to be attached to the lower chord 1.2 and the metal plates.

Before placing the arc metal sheet, at first place many fibre suspender of 1 bottom arc length direction equipartition of hoist auxiliary device, after the arc metal sheet placed and finishes, can with every suspender arc metal sheet and hoist auxiliary device 1 ligature firm, the ligature method need guarantee to hoist to the roofing after, the suspender can conveniently untie.

② turning over

The lower ends of 4 steel wire rope (fiber sling) slings are bound on a specified lifting point of an upper chord 1.1 of the hoisting auxiliary device through shackles, the upper ends of the 4 steel wire rope (fiber sling) slings are connected to a crane hook, and the crane hook is slowly lifted, so that the hoisting auxiliary device 1 rotates around a contact point between the bottom of the device and the ground.

Thirdly, hoisting

After the hoisting auxiliary device 1 is turned over and erected, the crane continues to lift the lifting hook, and the hoisting auxiliary device 1 and the arc-shaped roof metal plate are hoisted to the roof installation position.

Put in place

After the hoisting auxiliary device 1 and the metal plate are hoisted to the roof installation position by the crane, under the command of an operator, the crane slowly descends the lifting hook, unloads the arc-shaped metal plate on the roof structure, sequentially unties a plurality of fiber lifting belts bound by the metal plate and the hoisting auxiliary device 1, and separates the hoisting auxiliary device 1 from the arc-shaped metal plate, so that the hoisting of the batch of arc-shaped metal plates is completed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The utility model provides an arc roofing metal sheet hoist and mount auxiliary device which characterized in that: including auxiliary device (1), auxiliary device (1) sets up to the arc structure, auxiliary device (1) includes 2 upper chords (1.1), 2 lower chords (1.2), a plurality of diagonal web members (1.3), a plurality of vertical web members (1.4) and a plurality of horizontal support pole (1.5), 2 upper chords (1.1) and 2 lower chords (1.2) all set up to the arc structure, 2 upper chords (1.1) parallel arrangement, 2 lower chords (1.2) set up in the bottom of 2 upper chords (1.1), and vertical web members (1.4) are fixed between 2 upper chords (1.1), and horizontal support pole (1.5) are fixed between lower chord (1.2) of upper chord (1.1) on the coplanar, and diagonal web members (1.3) slope and set up between lower chord (1.2) of upper chord (1.1) on the coplanar.

2. The arc-shaped roof metal plate hoisting auxiliary device as claimed in claim 1, wherein: the auxiliary device is characterized by further comprising a fiber hanging strip (2), wherein the fiber hanging strip (2) fixes the arc-shaped metal plate (3) at the bottom of the auxiliary device (1).

3. The arc-shaped roof metal plate hoisting auxiliary device as claimed in claim 2, wherein: the width W of the auxiliary device (1) is the same as the section width of the arc-shaped metal plate (3), the curvature radius R of the upper chord (1.1) and the lower chord (1.2) is equal to the curvature radius of the arc-shaped metal plate (3), and the arc length RL of the lower chord (1.2) is 300mm longer than the arc length of the arc-shaped metal plate (3).

4. The arc-shaped roof metal plate hoisting auxiliary device as claimed in claim 1, wherein: the oblique web members (1.3), the vertical web members (1.4) and the horizontal support rods (1.5) are all welded and fixed with the upper chord members (1.1) and the lower chord members (1.2), and the oblique web members (1.3), the vertical web members (1.4) and the horizontal support rods (1.5) are all made of steel pipes.

5. The arc-shaped roof metal plate hoisting auxiliary device as claimed in claim 4, wherein: the auxiliary device is characterized by further comprising slings (4), wherein the slings (4) are fixed on two sides of the auxiliary device (1).

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