CN203394063U - Concrete spreader attached to tower crane - Google Patents

Abstract

The utility model provides a concrete spreader attached to a tower crane. The concrete spreader comprises a concrete conveying piping, a concrete spreader arm rest, a fixed support, a movable trolley and a motor hoist. The concrete conveying piping is arranged along a tower crane arm rest and the concrete spreader arm rest, the movable trolley is mounted on the tower crane arm rest, the motor hoist is mounted on the lower portion of the movable trolley, and the concrete spreader arm rest is hung on the lower portion of the motor hoist and the movable trolley. As the concrete spreader is attached to the tower crane, a concrete spreader tower body, a hydraulic jacking system, a variable amplitude oil cylinder, a balance arm and a balance weight are omitted, the concrete spreader arm rest can be quite simple, the length of a concrete spreader arm is determined according to that of a tower crane arm and can easily reach 60m and even 70m, the working area of the concrete spreader can be increased, and manufacturing cost and construction cost input are reduced.

Description

A kind of concrete spreader that depends on pillar crane

Technical field

The utility model relates to concrete spreader, and particularly a kind of concrete spreader that depends on pillar crane, belongs to concreting machinery technical field.

Background technology

Concrete spreader, is the corollary equipment of concrete pump, concrete pump delivered to and on the building that need to build, carried out comprehensively without dead angle, building, and be the apparatus for distributing of high-rise building concrete construction, its jack-up method has inner climbing type and external attached type.Traditional concrete spreader is all furnished with tower body, hydraulic system, jacking cylinder, jib, some concrete spreaders are also furnished with counter-jib and balance weight, jib is all hydraulic pressure rolling-folding, and tower body is attached on building, by interior, climbs or outer attached jack-up method climbs.In the such structure ， building site of concrete spreader, be as a set of independently construction equipment.And the jib of concrete spreader is parts the most key in complete machine, its length is determining the area of cloth area of concrete spreader.Because its manufacture difficulty is large and cost increases considerably along with brachium increases.Consider the cost of manufacture of complete machine, on market, the brachium of concrete spreader rarely has over 50m.This material distributing machine cost of production is high, and cloth area is little, also needs to drop into many concrete spreaders in large-scale building site, increases construction input cost.

Utility model content

High in order to solve this concrete spreader cost of production, the problem that cloth area is little, equipment investment is large, consider in nearly all building site and be all equipped with pillar crane, we have researched and developed a kind of concrete spreader that depends on pillar crane, the concrete conveyance pipe arrangement of this concrete spreader depends on the tower body of pillar crane, concrete spreader jib arranges along Tower Crane Boom ', and on large-scale pillar crane, brachium can reach even 70m of 60m easily.Because this concrete spreader no longer needs to be equipped with hydraulic jacking system, tower body, counter-jib and balance weight, jib is without amplitude oil cylinder, therefore simple in structure and lightweight, low cost of manufacture, and cloth area is wide, has effectively solved the problems referred to above.

The concrete technical scheme that the utility model is taked is as follows:

Depend on a concrete spreader for pillar crane, comprise that concrete conveyance pipe arrangement, concrete spreader jib, fixed support, travelling car, the large parts of motor hoist five form; It is characterized in that:

Concrete conveyance pipe arrangement is arranged along stacker crane body and concrete spreader jib; fixed support is fastened on Tower Crane Boom ' root; travelling car is arranged on Tower Crane Boom '; motor hoist is arranged under travelling car, and concrete spreader jib is suspended on below motor elevator and travelling car;

Described concrete conveyance pipe arrangement is comprised of straight tube, pipe clamp, 90 ° of bend pipes of center-rotary joint, and straight tube, center-rotary joint, 90 ° of bend pipes are to clamp connection by pipe clamp between any two.

Described concrete spreader jib is comprised of free bearing, truss, hanger and tubular type connecting axle, and free bearing is fastened on truss two ends, and tubular type connecting bushing is in free bearing the inside, and hanger is welded on truss tail end.

Described travelling car is comprised of roller, vehicle frame, and roller is fastened on vehicle frame, and vehicle frame hangs upside down on Tower Crane Boom ' by roller.

Described motor hoist is comprised of motor, reel, wire rope and the transmission mechanism of band brake, and wirerope-winding is on reel.Motor rotates band movable reel and rotates.

Concrete conveyance pipe arrangement is arranged along stacker crane body and concrete spreader jib, pivoting support place at pillar crane, concrete conveyance pipe arrangement is connected with straight tube or 90 ° of bend pipes by center-rotary joint, makes concrete spreader jib can follow tower crane rotation; Motor hoist folding and unfolding wire rope, realizes concrete spreader jib and packs up and launch.

The beneficial effects of the utility model are:

Compare with traditional concrete spreader, concrete spreader provided by the utility model is usingd the required pillar crane in construction site as attached body, without concrete spreader tower body, hydraulic jacking system, amplitude oil cylinder, counter-jib, balance weight, concrete spreader jib can be done very simply, concrete spreader brachium is depending on pillar crane brachium, its length can reach even 70m of 60m easily, greatly improved the work area of concrete spreader, also improve the utilization rate of pillar crane, not only reduce manufacturing cost, also reducing construction cost drops into.

Accompanying drawing explanation

Fig. 1 is general structure schematic diagram of the present utility model.

Fig. 2 is the enlarged diagram of partial view h in Fig. 1.

Fig. 3 is the enlarged diagram of partial view I in Fig. 1.

Fig. 4 is the enlarged diagram of partial view K in Fig. 1.

Fig. 5 be in Fig. 3 A to view schematic diagram.

Fig. 6 be in 1 B to view schematic diagram.

Fig. 7 is A-A schematic diagram in Fig. 1.

Fig. 8 is B-B schematic diagram in Fig. 1.

Fig. 9 be concrete spreader jib pack up schematic diagram (when arrow is contrary for launch schematic diagram).

In figure: 1-concrete pump, 2-stacker crane body, 3-straight tube, 4-pipe clamp, 5-center-rotary joint, 6-90 ° of bend pipes, 7-fixed support, 8-truss, 9-hanger, 10-free bearing, 11-roller, 12-vehicle frame, 13-motor, 14-reel, 15-wire rope, 16-Tower Crane Boom ', 17-tubular type connecting axle, 18-fixed length rope, 19-pipe fixing device, 20-transmission mechanism.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is described further.

If Fig. 1 is to the concrete spreader of the utility model as shown in Fig. 8, comprise that concrete conveyance pipe arrangement, concrete spreader jib, fixed support, travelling car, the large parts of motor hoist five form.Wherein concrete conveyance pipe arrangement is arranged along stacker crane body 2 and concrete spreader jib, fixed support 7 is fastened on Tower Crane Boom ' 16 roots, travelling car is arranged on Tower Crane Boom ' 16, can move around along Tower Crane Boom ' 16, motor hoist is arranged under travelling car, concrete spreader jib is suspended on below motor elevator and travelling car, by motor hoist folding and unfolding wire rope 15, realizes concrete spreader jib and launches and pack up.

As Fig. 2 is comprised of straight tube 3, pipe clamp 4, center-rotary joint 5 and 90 ° of bend pipes 6 to the dispensing of concrete as shown in Fig. 6 pipe.Concrete dispensing pipe is arranged along stacker crane body 2 and concrete placing boom jib.As shown in Figure 2, the concrete dispensing pipe of arranging on stacker crane body 2, is to connect by pipe clamp 4 between its straight tube 3, and straight tube 3 is fastened on stacker crane body 2 by pipe fixing device 19.As shown in Figure 3, at tower crane rotation place, straight tube 3, center-rotary joint 5 and 90 ° of bend pipes 6 being installed, is to be clamped and connected by pipe clamp 4 between the two.As shown in Figure 4 and Figure 6, the concrete dispensing pipe of arranging along concrete spreader jib, is fixed on truss 8 by pipe fixing device 19, and is staggeredly arranged in two adjacent joint concrete spreader jib both sides.

As shown in Figure 6, concrete spreader jib is by being comprised of free bearing 10, truss 8, hanger 9 and tubular type connecting axle 17, free bearing 10 is fastened on the two ends of truss 8, hanger 9 is welded on truss 8 tail ends, and tubular type connecting axle 17 is enclosed within free bearing 10 the insides, and concrete distributing horn can rotate around tubular type connecting axle 17, between truss 8, by free bearing 10, connect, center-rotary joint 5 is enclosed within tubular type connecting axle 17 the insides, so that concrete conveyance pipe arrangement can rotate with concrete spreader jib.

As shown in Figure 3 and Figure 5, fixed support 7 is fastened on Tower Crane Boom ' 16 roots, and free bearing 10 is connected on fixed support 7 by tubular type connecting axle 17, and concrete spreader jib can swing around tubular type connecting axle 17.

As shown in Figure 7 and Figure 8, travelling car is comprised of roller 11, vehicle frame 12, and roller 11 is fastened on vehicle frame 12, and vehicle frame 12 hangs upside down on Tower Crane Boom ' 16 by roller 11.Motor hoist is comprised of motor 13, reel 14, wire rope 15 and the transmission mechanism 20 of band brake.Wire rope 15 is wrapped on reel 14, and motor 13 rotates by transmission mechanism 20 band movable reels 14 and rotates, and realizes wire rope 15 folding and unfoldings.Motor hoist is hung travelling car below.Below in conjunction with further illustrating as Fig. 9.From fixed support 7, under first travelling car, hang motor hoist, wire rope 15 is hung first segment concrete spreader jib hanger 9, under second travelling car, hang fixed length rope 18, fixed length rope 18 is hung second section concrete spreader jib hanger 9, under the 3rd travelling car, hang motor hoist, wire rope 15 is hung the 3rd joint concrete spreader jib hanger 9, and the rest may be inferred.

If concrete spreader jib will be packed up, motor hoist is emitted wire rope 15, first segment concrete spreader jib is under himself Action of Gravity Field, around the free bearing 10 that is connected to fixed support 7, to lower swing tense wire rope 15, first travelling car moves toward fixed support 7 directions under wire rope 15 active forces simultaneously.In like manner, itself and motor hoist are emitted wire rope, the corresponding concrete spreader jib that respectively saves rotates around free bearing 10, under the effect of concrete spreader jib self gravitation, by wire rope 15 or fixed length rope 18, hauling travelling car moves toward fixed support 7 directions, until emitting wire rope 15, motor hoist make concrete spreader jib pendulum when extreme lower position, the jib of boom will fold and be received in together, also reach minimum work range simultaneously.

If concrete spreader jib will launch, motor hoist is packed up wire rope 15, first segment concrete spreader jib is under wire rope 15 effects, around the free bearing 10 that is connected to fixed support 7, up swing, the process that concrete spreader jib is brought up, can, to 15 1 horizontal components of wire rope, thereby pull first travelling car to deviate from fixed support 7 directions, move.In like manner, when remaining motor hoist is packed up wire rope 15, the corresponding concrete spreader jib that respectively saves rotates around free bearing 10, in the process of launching in the pull-up of concrete spreader jib, give wire rope 15 or fixed length rope 18 horizontal components, haul travelling car and deviate from fixed support 7 directions and move.By controlling motor hoist, pack up wire rope 15 length, adjust concrete spreader work range.

The utility model concrete spreader, its jib is realized and being taken down the exhibits by travelling car and motor hoist, do not need amplitude oil cylinder, its concrete dispensing pipe is arranged along stacker crane body, no longer needs tower body, cost of production is low, because its work range can reach pillar crane brachium length, working area also improves greatly, takes full advantage of pillar crane conventional on building site simultaneously, improve pillar crane utilization rate, reduced construction input cost.

Claims (1)

1. depend on a concrete spreader for pillar crane, comprise that concrete conveyance pipe arrangement, concrete spreader jib, fixed support, travelling car, the large parts of motor hoist five form; It is characterized in that:

Concrete conveyance pipe arrangement is arranged along stacker crane body (2) and concrete spreader jib; fixed support (7) is fastened on Tower Crane Boom ' (16) root; travelling car is arranged on Tower Crane Boom ' (16); motor hoist is arranged under travelling car, and concrete spreader jib is suspended on below motor elevator and travelling car;

Described concrete conveyance pipe arrangement is comprised of straight tube (3), pipe clamp (4), center-rotary joint (5), 90 ° of bend pipes (6), and straight tube (3), center-rotary joint (5), 90 ° of bend pipes (6) are to be clamped and connected by pipe clamp (4) between any two;

Described concrete spreader jib is comprised of free bearing (10), truss (8), hanger (9) and tubular type connecting axle (17), free bearing (10) is fastened on truss (8) two ends, tubular type connecting axle (17) is enclosed within free bearing (10) the inside, and hanger (9) is welded on truss (8) tail end;

Described travelling car is comprised of roller (11), vehicle frame (12), and it is upper that roller (11) is fastened on vehicle frame (12), and vehicle frame (12) hangs upside down on Tower Crane Boom ' (16) by roller (11);

Described motor hoist is comprised of motor (13), reel (14), wire rope (15) and the transmission mechanism (20) of band brake, and wire rope (15) is wrapped on reel (14).

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