CN215666730U - Quick construction trolley for large-size prefabricated blocks - Google Patents

Abstract

The utility model belongs to the field of large-volume precast block demoulding lifting appliances, and particularly relates to a large-volume precast block rapid construction trolley; the gantry crane comprises a gantry and a winch, wherein four corners of the bottom of the gantry are respectively provided with a traveling wheel, and the winch is arranged on the gantry; the hoisting machine is arranged on the top beam of the portal frame and can move along the length direction of the top beam to change the hoisting position, a cable of the hoisting machine hangs down from one side of the top beam and bypasses a movable pulley below the top beam, the cable is protruded from the other side of the top beam and is tied on a rack of the hoisting machine, and a lifting hook is arranged on the movable pulley. The large-size precast block rapid construction trolley provided by the utility model is simple in overall structure, high in strength and convenient to move, and can solve the problems of low construction speed, easiness in damage, large mechanical investment and the like of large-size precast blocks.

Description

Quick construction trolley for large-size prefabricated blocks

Technical Field

The utility model belongs to the field of large-size precast block demoulding lifting appliances, and particularly relates to a large-size precast block rapid construction trolley.

Background

At present, traffic development at home and abroad is rapid, highway and railway engineering is rapidly developed, and large-volume concrete prefabrication and installation construction is often encountered in the on-line off-engineering construction process. Traditional construction often adopts the design steel mould to carry out concrete placement, treats that concrete strength satisfies the back, and manual cooperation crane or fork truck demold, and there is the construction slow, the template turnover rate is low, easily damaged, mechanical input big scheduling problem, and these problems need to be improved and are solved urgently.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.

In order to achieve the purpose, the utility model provides a large-size precast block rapid construction trolley which comprises a portal frame and a winch, wherein four corners of the bottom of the portal frame are respectively provided with a traveling wheel, and the winch is arranged on the portal frame; the hoisting machine is arranged on the top beam of the portal frame and can move along the length direction of the top beam to change the hoisting position, a cable of the hoisting machine hangs down from one side of the top beam and bypasses a movable pulley below the top beam, the cable is protruded from the other side of the top beam and is tied on a rack of the hoisting machine, and a lifting hook is arranged on the movable pulley.

Further, the main part of portal is by I-steel assembly welding shaping, and the back timber is by several I-steels welding shaping side by side, and the flange board meets between the I-steel, has welded the pole setting in the middle of back timber beam-ends, and the welding has the stull under the pole setting, and the stull is perpendicular with the back timber, and the mid point at the stull is connected to the pole setting, and the walking wheel is installed under the end of stull.

Furthermore, an inclined strut steel pipe is welded between the two sides of the vertical rod and the cross strut, and an inclined strut rib plate is welded between the top beam and the vertical rod.

Further, the frame of hoist engine is including the cardboard that is located the both sides abdominal cavity of back timber, the bedplate that is located the back timber top surface, and the one side of cardboard has the stay tube with the last pterygoid lamina laminating of back timber, the web laminating of one side and the top beam, the welding between the cardboard of front and back.

Furthermore, four the walking wheel includes two universal wheels and two directional wheels, and two universal wheels are located the span both sides of portal, are connected with the direction control pole that upwarps on the wheel carrier of universal wheel.

Compared with the prior art, the utility model has the advantages that:

the large-size precast block rapid construction trolley provided by the utility model is simple in overall structure, high in strength and convenient to move, and can solve the problems of low construction speed, easiness in damage, large mechanical investment and the like of large-size precast blocks.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the mating of the frame and the top beam.

In the figure: 1-a winch; 2-top beam; 3-erecting a rod; 4-horizontal bracing; 5-a directional wheel; 6-universal wheel; 7-a directional control lever; 8-diagonal bracing steel pipes; 9-a frame; 9.1-cardboard; 9.2-seat board; 9.3-supporting the tube; 10-a movable pulley; 11-a hook; 12-diagonal bracing rib plate.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

As shown in fig. 1 and 2; a large-size precast block rapid construction trolley comprises a portal frame and a winch 1, wherein four corners of the bottom of the portal frame are respectively provided with a traveling wheel, and the winch 1 is arranged on the portal frame; hoist engine 1 sets up on the back timber 2 of portal and can follow 2 long to the removal transform hoisting position of back timber, hoist engine 1's hawser hangs down from one side of back timber 2 and winds the movable pulley 10 under the roof beam, it ties on hoist engine 1's frame 9 to emerge from the opposite side of back timber 2, install lifting hook 11 on the movable pulley 10, through setting up a movable pulley 10 transition, both can balance the pulling force of prefabricated section to back timber 2 both sides, prevent that the portal from toppling over to one side, can reduce hoist engine 1 half again and lift by crane power.

The main part of portal 9 is formed by the I-steel assembly welding, and back timber 2 is formed by several I-steels welding side by side, and the flange board meets between the I-steel, has welded pole setting 3 in the middle of 2 roof beams ends of back timber, and the welding has stull 4 under the pole setting 3, and stull 4 is perpendicular with back timber 2, and the mid point at stull 4 is connected to pole setting 3, and the walking wheel is installed under the end of stull 4.

Diagonal bracing steel pipes 8 are welded between the two sides of the vertical rods 3 and the transverse bracing 4, and diagonal bracing rib plates 12 are welded between the top beam 2 and the vertical rods 3 to form a triangular stable structure.

Frame 9 of hoist engine 1 is including the cardboard 9.1 that is located the both sides abdominal cavity of back timber 2, the bedplate 9.2 that is located back timber 2 top surface, cardboard 9.1 one side with the last pterygoid lamina laminating of back timber 2, one side with the web laminating of back timber 2, the welding has stay tube 9.3 between the cardboard 9.1 of front and back.

The four travelling wheels comprise two universal wheels 6 and two directional wheels 5, the two universal wheels 6 are positioned at two sides of the span of the portal frame, the directional wheels 5 are arranged at the front part of the advancing direction, the universal wheels 6 are arranged at the rear part, and the wheel carrier of the universal wheels 6 is connected with an upturned directional control rod 7; the direction control rod 7 is made of a steel bar with the length of 1.2m and the diameter of 14, the end of which is bent into a handle, and is welded on a wheel frame of the universal wheel 3 to be used as a direction control device.

The method comprises the following specific operation steps:

1. in a prefabricated field hardened in advance, longitudinally arranging the shaping molds at intervals of 3 meters;

2. prefabricating a large-size precast block, and embedding lifting rings in the precast block according to requirements;

3. after the strength of the concrete meets the requirement, a direction control rod is manually operated to move the trolley along the arrangement direction of the shaping mold, the gantry stretches across the shaping mold to be demoulded, and the large-volume precast block is manually connected with a lifting hook under a winch through a pre-buried lifting ring;

4. starting a winch, lifting the precast block by 15cm, and manually matching for demoulding;

5. after demolding is finished, pushing the trolley to place the precast block beside for stacking, manually matching to brush oil on the shaping mold, assembling, and waiting for next pouring;

6. and repeating the work to complete the demoulding and stacking work of all the large-volume precast blocks.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. A large-size precast block rapid construction trolley comprises a gantry and a winch (1), wherein four corners of the bottom of the gantry are respectively provided with a traveling wheel, and the winch (1) is arranged on the gantry; the method is characterized in that: the hoisting machine (1) is arranged on a top beam (2) of the gantry and can move along the length direction of the top beam (2) to change the hoisting position, a cable of the hoisting machine (1) hangs down from one side of the top beam (2) to bypass a movable pulley (10) below the top beam, protrudes from the other side of the top beam (2) to be fastened on a rack (9) of the hoisting machine (1), and a lifting hook (11) is arranged on the movable pulley (10).

2. The large-volume precast block rapid construction trolley according to claim 1, wherein: the main part of frame (9) is by I-steel assembly welding shaping, and back timber (2) are by several I-steels weld forming side by side, and the flange board meets between the I-steel, and pole setting (3) have been welded to the centre of back timber (2) beam-ends, and the welding has stull (4) under pole setting (3), and stull (4) are perpendicular with back timber (2), and the mid point in stull (4) is connected in pole setting (3), and the walking wheel is installed under the end of stull (4).

3. The large-volume precast block rapid construction trolley according to claim 2, wherein: diagonal bracing steel pipes (8) are welded between the two sides of the vertical rods (3) and the cross braces (4), and diagonal bracing rib plates (12) are welded between the top beams (2) and the vertical rods (3).

4. The large-volume precast block rapid construction trolley according to claim 2 or 3, wherein: frame (9) of hoist engine (1) are including cardboard (9.1) that are located the both sides abdominal cavity of back timber (2), bedplate (9.2) that are located back timber (2) top surface, and the one side of cardboard (9.1) is laminated with the last pterygoid lamina of back timber (2), the web laminating of back timber (2) on one side, and the welding has stay tube (9.3) between preceding back cardboard (9.1).

5. The large-volume precast block rapid construction trolley according to claim 4, wherein: four the walking wheel includes two universal wheels (6) and two directional wheels (5), and two universal wheels (6) are located the span both sides of portal, are connected with upturned direction control pole (7) on the wheel carrier of universal wheel (6).

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