CN206955491U - A kind of precast floor slab handling apparatus - Google Patents

Abstract

The utility model creates and provides a prefabricated floor slab hoisting device, which includes a base and a column fixed on the base, and a winch is fixed on the column; There is a fixed pulley at the front end of the boom, and a hook connector at the front end of the auxiliary boom; an anti-collision roller is installed at the front end of the support arm, and both the support arm and the auxiliary boom are telescopic structures with adjustable length; the hoist is connected with a traction One end of the traction rope passing through the fixed pulley is connected to a movable pulley installed on the pulley seat, and a hook for lifting the prefabricated floor is provided at the bottom of the pulley seat; a counterweight assembly is provided on the base, and the counterweight assembly includes The weight box and the filler in the counterweight box. In the process of hoisting prefabricated floor slabs created by the utility model, the force of the traction rope is reduced, and the load of the hoist is correspondingly reduced, which is more stable and reliable. The length of the column, the boom and the auxiliary boom can be adjusted according to the actual working conditions. At the same time, the torque is minimized and the adjustment is convenient.

Description

A prefabricated floor lifting device

technical field

The invention belongs to the technical field of building construction equipment, and in particular relates to a prefabricated floor lifting device.

Background technique

In the prior art, steel wire ropes are generally used to lift prefabricated components. However, prefabricated components are usually heavy, and small lifting equipment is often overloaded, which not only affects the life of the equipment, but also affects the construction safety. In addition, prefabricated components are prone to instability due to unbalanced forces. , resulting in damage to the prefabricated components themselves, and in the prior art, the prefabricated components often collide with the facade of the building during the hoisting process. Prefabricated components keep a considerable distance from the facade of the building. However, such a treatment method makes the length of the boom too long, the moment it bears is greater, the requirements for structural strength are higher, the stability and durability are poor, and it is easy to Send a boom break incident.

Contents of the invention

The problem to be solved by the present invention is to overcome the above-mentioned defects in the prior art, and propose a prefabricated floor lifting device.

In order to solve the problems of the technologies described above, the technical solution created by the present invention is achieved in this way:

A prefabricated floor slab hoisting device, comprising a base and a column fixed on the base, a winch is fixed on the column; the column is provided with a boom, an auxiliary boom and a support arm in sequence from top to bottom, and a There are fixed pulleys, and a hook connector is provided at the front end of the auxiliary boom; anti-collision rollers are provided at the front end of the support arm, and both the support arm and the auxiliary boom are telescopic structures with adjustable length; the hoist is connected with Traction rope, one end of the traction rope passing through the fixed pulley is connected with a movable pulley installed on the pulley seat, and a hook for lifting the prefabricated floor is provided at the bottom of the pulley seat; a counterweight assembly is provided on the base, and the counterweight assembly Parts include the weight box and the filling in the weight box.

Further, the support arm is fixed on the column through the mounting seat.

Further, the uprights are provided with sets of mounting holes of different heights, and the mounting bases are fixed on the uprights through connecting pieces connected with the mounting holes.

Further, each group of mounting holes includes 6-8 holes arranged uniformly along the outer circumferential surface of the column.

Further, the column is a height-adjustable telescopic structure.

Further, the boom is a telescopic structure with adjustable length.

Further, the column is fixed on the base through a rotary support base; the rotary support base includes an inner gear fixedly connected to the column, an outer gear connected to the base, and an outer gear mounted on the outer gear for driving the inner gear Turning drive motor.

The advantages and positive effects that the present invention has are:

1) Through the combination of the fixed pulley and the movable pulley, during the process of hoisting the prefabricated floor, the force on the traction rope is reduced, and the load on the hoist is correspondingly reduced, which is more stable and reliable, and has a longer service life.

2) The length of the column, boom and auxiliary boom can be adjusted according to the actual working conditions. While achieving smooth hoisting, the moment is minimized and the adjustment is convenient. At the same time, the anti-collision rollers on the support arms can effectively prevent the prefabricated floor slab from toppling to the side of the building, avoiding collision accidents.

3) There is a counterweight assembly on the base, which can increase the packing in the counterweight box according to the actual working conditions. The structure design is reasonable, the assembly, disassembly and transfer are convenient, and the use effect is good.

Description of drawings

Fig. 1 is the structural representation that the present invention creates;

Fig. 2 is a schematic structural view of the present invention under the working state of the support arm;

Fig. 3 is a structural schematic diagram of the slewing support seat in the invention.

In the figure: 1-base; 2-hoist; 3-column; 4-boom; 5-pair boom; 6-support arm; 7-fixed pulley; 8-hook connector; 10-traction rope; 11-pulley seat; 12-moving pulley; 13-hook; 14-counterweight assembly; 15-installation seat; 16-installation hole; 17-inner gear ring; Motor; 20-rotary support base.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

Specific embodiments of the invention will be described in detail below in conjunction with the accompanying drawings.

A prefabricated floor lifting device, as shown in Figures 1 to 3, includes a base 1 and a column 3 fixed on the base 1; a winch 2 is fixed on the column; the column 3 is sequentially provided with a hoist Arm 4, secondary boom 5 and support arm 6, a fixed pulley 7 is provided at the front end of the boom 4, a hook connector 8 is provided at the front end of the secondary boom 5; an anti-collision roller 9 is provided at the front end of the support arm 6, And the support arm 6 and the auxiliary boom 5 are all telescopic structures with adjustable length; the hoist 2 is connected with a traction rope 10, and one end of the traction rope 10 passing through the fixed pulley 7 is connected with a movable pulley installed on the pulley seat 11 12. A hook 13 for lifting the prefabricated floor is provided at the bottom of the pulley seat 11; a counterweight assembly 14 is provided on the base 1, and the counterweight assembly includes a counterweight box and fillers in the counterweight box. There is a counterweight assembly on the base, which can increase the packing in the counterweight box according to the actual working conditions. The structure design is reasonable, the assembly, disassembly and transfer are convenient, and the use effect is good.

It should be noted that the hook connecting part 8 can be a lifting lug or a hanging ring, which can be hooked to the hook at the end of the traction rope, so as to securely fix the hook.

Wherein, the support arm 6 is fixed on the column 3 through the mounting seat 15 . An array of mounting holes 16 of different heights is provided on the column 3, and the mounting seat 15 is fixed on the column through a connecting piece 17 connected with the mounting holes. Specifically, the connecting hole may be a threaded hole, and the connecting member may be a screw or a bolt.

In an optional embodiment, each set of mounting holes 16 includes 6-8 holes arranged uniformly along the outer circumferential surface of the column. The mounting base 15 can be rotated as required to adjust the support arm 6 to a suitable angle, so that the anti-collision roller 9 at the front end of the support arm 6 is at a relatively reasonable position and angle, that is, the anti-collision roller laterally blocks the traction rope, as shown in Figure 2 As shown, avoid the traction rope being too close to the building body and cause collisions to ensure its protective effect and effectively avoid collisions with prefabricated floors.

Wherein, the upright column 3 is a telescopic structure with adjustable height, and the height of the upright column 3 can be adjusted according to needs, and then the height of the boom 5 can be changed. The boom 5 is a telescopic structure with adjustable length, and the extension length of the boom 5 can be adjusted according to the needs, and the scope of application is wide.

Wherein, the upright column 3 is fixed on the base through the rotary support base 20; The ring gear 17, the outer ring gear 18 connected with the base, and the drive motor 19 installed on the outer ring gear for driving the inner ring gear to rotate. By manipulating the drive motor 19, the inner ring gear can be driven to rotate relative to the outer ring gear, and then the column can be driven to rotate to a suitable position to change the orientation of the boom and facilitate the hoisting of the prefabricated floor.

The invention creates a combination of the fixed pulley and the movable pulley, during the process of hoisting the prefabricated floor, the force on the traction rope is reduced, and the load on the hoist is correspondingly reduced, which is more stable and reliable, and has a longer service life. The length of the column, boom and auxiliary boom can be adjusted according to the actual working conditions. While achieving smooth hoisting, the moment is minimized and the adjustment is convenient. At the same time, the anti-collision rollers on the support arms can effectively prevent the prefabricated floor slab from toppling to the side of the building, avoiding collision accidents.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Therefore, the embodiments should be regarded as exemplary and non-restrictive, no matter from all points of view, the scope of the invention is defined by the appended claims rather than the above description, so it is intended that the scope of the invention will fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are embraced in the invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. A prefabricated floor lifting device, characterized in that: it comprises a base and a fixed column on the base, and a winch is fixed on the column; the column is sequentially provided with a boom, an auxiliary boom and a support arm from top to bottom , a fixed pulley is provided at the front end of the boom, and a hook connector is provided at the front end of the auxiliary boom; anti-collision rollers are provided at the front end of the support arm, and both the support arm and the auxiliary boom are telescopic structures with adjustable length; The hoist is connected with a traction rope, and one end of the traction rope passing through the fixed pulley is connected with a movable pulley installed on the pulley seat, and a hook for lifting the prefabricated floor is provided at the bottom of the pulley seat; The weight assembly includes a weight box and fillers in the weight box. 2 . The prefabricated floor lifting device according to claim 1 , wherein the support arm is fixed on the column through the mounting seat. 3 . 3. A prefabricated floor lifting device according to claim 2, characterized in that: the column is provided with an array of mounting holes of different heights, and the mounting seat is fixed on the column through a connector connected to the mounting hole . 4. A prefabricated floor slab hoisting device according to claim 3, wherein each set of installation holes includes 6-8 holes arranged uniformly along the outer circumference of the column. 5. A prefabricated floor lifting device according to claim 1, characterized in that: the column is a height-adjustable telescopic structure. 6. A prefabricated floor lifting device according to claim 1, characterized in that: the boom is a telescopic structure with adjustable length. 7. A prefabricated floor lifting device according to claim 1, characterized in that: the column is fixed on the base through a rotary support seat; the rotary support seat includes an inner ring gear fixedly connected with the column, and An outer ring gear connected to the base, and a drive motor mounted on the outer ring gear for driving the inner ring gear to rotate.