A kind of movable truss hoisting of scalable lifting spacing
Technical field
This utility model relates to the hanging beam structure of a kind of crane, the bracing frame of a kind of self-balancing suspension bracket.
Background technology
Hanging beam is the special hanger for loading and unloading great goods and parts, and need to accurately find weight weight during handling weight
Heart position, accurately distributes each suspension centre load, the work safe and reliable to ensure hanging beam;Traditional hanging beam structure by big equalizer bar,
And be nested in big equalizer bar little equalizer bar, the composition such as suspender.Weight is sling by hanging beam by rigging, to realize weight
Carrying, the action such as handling.But owing to its structure arranges unreasonable, balance quality is poor, weight during handling weight, need to be found accurately
Position of centre of gravity, need to accurately distribute each suspension centre load, the most easily makes hanging beam deflection excessive, produces potential safety hazard;Hanging beam merit simultaneously
Can be more single, this kind of hanging beam form is only capable of using three kinds of load cases combination.
In building field, precast reinforced concrete structure is one of important directions of China's building structure development, it
Be conducive to the development of China's building industrialization, improve production efficiency and save the energy, develop Green environmental-protection building, and be conducive to carrying
Height and guarantee construction engineering quality.
And Prefabricated construction panel is as one of first-selected assembled designed component, most assembled architecture all has construction.But
Because Prefabricated construction panel planar dimension is relatively big, conventional suspender cannot meet lifting demand and easily be easily caused because suspender is unreasonable
Prefabricated construction panel cracking, damaged, and this suspension bracket is as scalable suspension bracket, can the various sizes of object of handling, can be according to needing handling
Object be adjusted.And conventional hanger is when handling structured size, the uniform object of weight, handling object is during handling
Cannot be carried out effective Anti-inclining to control, it is the most inconvenient to cause at the segment space big panel of compact position handling, and this suspension bracket
Bottom suspension centre can solve above-mentioned inconvenience completely as movable suspension centre.
It is the utility model patent of 204224079U in China Patent Publication No., open a kind of self-balance sling, this suspender
Gravity principle can be automatically utilized to keep Equilibrium in process of rising or falling, it is ensured that work piece hoisting operation is safe and reliable,
And then it is impaired in hoisting process to avoid workpiece.But this suspender can only lift orthoscopic workpiece.Prefabricated construction panel is as building
Base surface, under special circumstances, need to sling Prefabricated construction panel level, and in installation process keep Prefabricated construction panel water
Flat.Suspender of the prior art all cannot solve this problem, and neither one self-balancing suspension bracket can adjust lifting position at any time and rise
Hang spacing.
Utility model content
For solving the problems referred to above, this utility model provides the movable truss hoisting of a kind of scalable lifting spacing, this truss
Lifting position and lifting spacing can be adjusted by easy method.
For achieving the above object, the technical solution adopted in the utility model is:
The movable truss hoisting of a kind of scalable lifting spacing, is used for forming self-balance sling, including intermediate layer plane rack
Body, the both sides that this intermediate layer plane support body is relative are respectively equipped with the line channel extended along plane support body edge, intermediate layer, and this is led
Groove is used for installing fixed pulley, and this fixed pulley can slide along described guide groove.
In one embodiment, described intermediate layer plane support body is the tower structure of rectangle, and described guide groove is arranged on length
Degree direction on relative to both sides.
In one embodiment, described intermediate layer plane support body includes two intermediate layer crossbeams and two intermediate layer longerons,
Described intermediate layer crossbeam and intermediate layer longeron are sequentially connected from head to tail to form the framework of rectangle, and described guide groove is opened in intermediate layer crossbeam
On, and this guide groove is horizontal guide groove.
In one embodiment, described intermediate layer longeron offers longitudinal guide groove, this longitudinal direction guide groove and described horizontal guide groove
Connection, described fixed pulley is feasible to be gone in described longitudinal guide groove.
In one embodiment, the length of described intermediate layer crossbeam is more than the length of described intermediate layer longeron;Described centre
Layer plane support body has intermediate layer internal stay beam, and these internal stay beam two ends, intermediate layer are connected to the middle part of described intermediate layer crossbeam.
In one embodiment, described intermediate layer plane support body is I shape, and described guide groove is arranged on intermediate layer plane rack
The both sides that body is opposing parallel.
In one embodiment, described guide groove arranges the bottom surface of described intermediate layer plane support body.
In one embodiment, the main body of described intermediate layer plane support body is square steel tube.
In one embodiment, described intermediate layer main body of cross-beam inner hollow, described guide groove is for being opened in intermediate layer crossbeam
The breach of body floor.
In one embodiment, the medial surface of described intermediate layer plane support body diapire is matsurface.
Use the beneficial effects of the utility model are: this truss is used for forming self-balance sling, including intermediate layer plane rack
Body, the both sides that this intermediate layer plane support body is relative are respectively equipped with the line channel extended along plane support body edge, intermediate layer, and this is led
Groove is used for installing fixed pulley, and this fixed pulley can slide along described guide groove.When using this truss lifting shape difference, centre bit
When putting different plate objects, the position of scalable fixed pulley so that fixed pulley can slide along guide groove, to lift connecting plate-shaped articles
Diverse location, when using this truss suspender, lifting plate object transport time more steady, it is not easy to produce vibrations and overturn.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the movable truss hoisting of this utility model scalable lifting spacing.
Fig. 2 is the side-looking structural representation of the movable truss hoisting of this utility model scalable lifting spacing.
Fig. 3 is the top view of the movable truss hoisting intermediate layer plane support body of this utility model scalable lifting spacing.
Fig. 4 is the position view of the movable truss hoisting guide groove of this utility model scalable lifting spacing.
Fig. 5 is schematic diagram during the movable truss hoisting fixed pulley another location of this utility model scalable lifting spacing.
Fig. 6 is the movable truss hoisting fixed pulley company with intermediate layer plane support body of this utility model scalable lifting spacing
Connect schematic diagram.
Reference includes:
Suspension hook 200-intermediate layer, lifting rope 110-top, 100-top plane support body
Crossbeam 211-horizontal guide groove 220-intermediate layer, 210-intermediate layer longeron
Internal stay beam 240-top, 221-longitudinal direction guide groove 230-intermediate layer suspension centre
250-fixed pulley 251-connecting rod 252-resistance pad
253-clamp 300-bottom lifting rope 310-movable pulley
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail.
Embodiment 1
As shown in figs 1 to 6, the present embodiment provides the movable truss hoisting of a kind of scalable lifting spacing, is used for forming certainly
Balance sling, including intermediate layer plane support body 200, the both sides that this intermediate layer plane support body 200 is relative are respectively equipped with along intermediate layer
The line channel that plane support body 200 edge extends, this guide groove is used for installing fixed pulley 250, and this fixed pulley 250 can be along guide groove
Slide.
As it is shown in figure 1, in truss hoisting in the present embodiment, intermediate layer plane support body 200 has at least two straight line leads
Groove, the frame of rectangle that intermediate layer plane support body 200 is intermediate layer crossbeam 210 and intermediate layer longeron 220 head and the tail are in turn connected to form
Rack and panel construction, in other embodiments, intermediate layer plane support body 200 can be the structure of tabular, it is also possible to be the knot of I shape
Structure.
In the present embodiment, this truss is correspondingly arranged multiple fixed pulley 250, when using this truss lifting plate object, can
The various field actual states such as size according to plate object, position of centre of gravity, hoisting point position, the corresponding position that fixed pulley 250 is set
Put, after fixed pulley 250 moves to corresponding position in guide groove, can be by the way of self-locking so that fixed pulley 250 is locked at
In guide groove.Or use external locking device, fixed pulley 250 is locked in guide groove.
As preferably, intermediate layer plane support body 200 includes two intermediate layer crossbeams 210 and two intermediate layer longerons 220,
Intermediate layer crossbeam 210 and intermediate layer longeron 220 are sequentially connected from head to tail to form the framework of rectangle, and guide groove is opened in intermediate layer crossbeam
On 210, and this guide groove is horizontal guide groove 211.Intermediate layer plane support body 200 is the tower structure of rectangle, and guide groove is arranged on length
Degree direction on relative to both sides.Guide groove arrange in the longitudinal direction relative to both sides be conducive to adjusting the most in the larger context fixed sliding
The position of wheel 250, when being arranged on the less both sides of length relative to guide groove, this kind of guide groove arranges position adjustable fixed pulley 250
Position wider, adapts to ability the most higher.
In one embodiment, intermediate layer longeron 220 offers longitudinal guide groove 221, this longitudinal direction guide groove 221 and horizontal guide groove
211 connections, fixed pulley 250 is feasible to be gone in longitudinal guide groove 221.The number of fixed pulley 250 in this horizontal guide groove of mechanism's adjustable 211
Amount, to adapt to the quantity of plate object suspension centre.Such as, the plate object correspondence that need to lift has 3 suspension centres for one time, and another side has 4 to hang
Point, before using this truss lifting plate object, the quantity of adjustable fixed pulley 250.Such as, in a horizontal guide groove 211
It is correspondingly arranged 4 fixed pulleys 250, on the truss of the side of corresponding 3 suspension centres, can fixed pulley 250 row of this side in advance
Go in longitudinal guide groove 221.
The length of intermediate layer crossbeam 210 is more than the length of intermediate layer longeron 220;Intermediate layer plane support body 200 has centre
Layer internal stay beam 230, these internal stay beam 230 two ends, intermediate layer are connected to the middle part of intermediate layer crossbeam 210.Internal stay beam action is
Support intermediate layer crossbeam 210, it is to avoid because plate object weight is excessive so that intermediate layer crossbeam 210 stress torsional deformation.
Intermediate layer crossbeam 210 body interior hollow, guide groove is the breach being opened in intermediate layer crossbeam 210 body floor.Lead
Groove arranges the bottom surface of intermediate layer plane support body 200.The medial surface of intermediate layer plane support body 200 diapire is matsurface.In this enforcement
In example, fixed pulley 250 can be arranged in guide groove by the way of self-locking, and the medial surface of intermediate layer plane support body 200 diapire is
Matsurface, this matsurface can provide bigger frictional force, beneficially fixed pulley 250 self-locking.
As preferably, the main body of intermediate layer plane support body 200 is square steel tube.Square steel tube is material common on construction site
Material, on-the-spot can draw materials and realize the assembling of this truss.
Embodiment 2
The present embodiment provides assembling using method and the structure explanation of a kind of truss.
As shown in figs 1 to 6, the truss that the present embodiment provides, including intermediate layer plane support body 200, fixed pulley 250, have
The movable pulley 310 of suspension centre and bottom lifting rope 300, plane support body 200 opposite sides edge, intermediate layer is respectively mounted and includes at least 1
Fixed pulley 250, is correspondingly arranged multiple movable pulley 310 in each fixed pulley 250, bottom lifting rope 300 one end is connected between layer and puts down
Face frame body 200, what the other end was spaced successively is connected between layer plane support body through movable pulley 310, fixed pulley 250 and end
200, and suspension centre is located in the same horizontal plane.
Concrete, intermediate layer plane support body 200 is the support body of rectangle, in other embodiments, puts down to alleviate intermediate layer
The weight of face frame body 200, intermediate layer plane support body 200 can be tower structure, or I-shaped structure, intermediate layer plane support body
Outside 200 relative to both sides at least one fixed pulley 250 is installed, can need to install 2-4 according to design in other embodiments
Fixed pulley 250, simultaneously corresponding in the lower section of fixed pulley 250 is provided with multiple movable pulley 310, in the present embodiment, movable pulley 310
More than the quantity of fixed pulley 250 one of quantity, as it is shown in figure 1, bottom lifting rope 300 is through after a movable pulley 310, corresponding
Through a fixed pulley 250, being then passed through a movable pulley 310, by that analogy, last end is connected between layer plane support body 200,
Being provided with suspension centre on movable pulley 310, this suspension centre can be the similar lifting device such as suspension hook, suspension ring.
In the present embodiment, during lifting plate object, when the suspension centre on movable pulley 310 mounts plate object respectively, plate object
Relative both sides the most corresponding connect the movable pulley 310 below the corresponding photograph album of intermediate layer plane support body 200.Make movable pulley
310 and fixed pulley 250 autobalance load, plate object can remain parallel state during this truss is walked.Especially
It is when hoisting prefabricated floorboard, and Prefabricated construction panel can be lifted into presetting position, be directly connected to Prefabricated construction panel with
Lou Ti, it is not necessary to readjust the position of Prefabricated construction panel.
In the present embodiment, four edges of intermediate layer plane support body 200 are respectively equipped with a top suspension centre 240, top
One end of portion's lifting rope is connected to top suspension centre 240, and the other end of four top lifting ropes connects same top suspension hook 110, permissible
Understanding, the length of four top lifting ropes is identical, when by lifting machine pull-up top suspension hook 110, and intermediate layer plane support body
200 symmetric shapes centered by it, intermediate layer plane rack can keep the state of level.
In the present embodiment, intermediate layer plane support body 200 includes two intermediate layer crossbeams 210 and and two intermediate layer longerons
220, intermediate layer crossbeam 210 and intermediate layer longeron 220 head and the tail connect the tower structure forming rectangle, and fixed pulley 250 is arranged on
Intermediate layer crossbeam 210.It addition, installation intermediate layer internal stay corresponding between two intermediate layer crossbeams 210 in intermediate layer crossbeam 210
Beam 230, intermediate layer internal stay beam 230 plays the effect strengthening intermediate layer plane support body 200 rigidity, and makes intermediate layer plane support body
200 structures are more stable.
As shown in Figure 4, intermediate layer crossbeam 210 has the horizontal guide groove offered along intermediate layer crossbeam 210 bearing of trend
211;Fixed pulley 250 has connection assembly, connects assembly and embeds horizontal guide groove 211, and fixed pulley 250 can be driven along laterally leading
Groove 211 slides.In the present embodiment, the horizontal guide groove 211 that intermediate layer crossbeam 210 is offered embeds and connects assembly, connect assembly
Fixed pulley 250 can be driven to slide in horizontal guide groove 211.Before using this truss, the position of adjustable fixed pulley 250.The most every
Three fixed pulleys 250 are installed on individual intermediate layer crossbeam 210, can be according to the center of plate object, by two fixed pulley 250 correspondences
Walking is to the other end near intermediate layer crossbeam 210, and a remaining fixed pulley 250 walking is near intermediate layer crossbeam 210
The other end.Corresponding movable pulley 310 is positioned at the lower section of adjacent two fixed pulleys 250, and the position adjusting fixed pulley 250 can correspondence
The position adjusting movable pulley 310, can the position of suspension centre.When making this truss lifting plate object, plate object is when the state of lifting
More stable.
As it is shown in figure 5, intermediate layer longeron 220 has the longitudinal guide groove offered along intermediate layer longeron 220 bearing of trend
221, and longitudinal guide groove 221 connects with horizontal guide groove 211, connects assembly and fixed pulley 250 walking can be driven to longitudinal direction guide groove 221.
In the present embodiment, an intermediate layer crossbeam 210 is installed four fixed pulleys 250, but when lifting plate object, plate object
Side only has the mount point of three corresponding suspension centres, now may move a fixed pulley 250 by the walking of horizontal guide groove 211 to centre
Longitudinal guide groove 221 on layer longeron 220, only uses the fixed pulley 250 on residue intermediate layer crossbeam 210 and residue fixed pulley 250
Corresponding movable pulley 310 lifts plate object.
As shown in Figure 6, as preferably, horizontal guide groove 211 is opened in the bottom surface of intermediate layer crossbeam 210.Intermediate layer crossbeam
210 inner hollow, horizontal guide groove 211 is the breach that intermediate layer crossbeam 210 bottom surface is offered.
Connecting assembly and include connecting rod 251 and clamp 253, clamp 253 is positioned at the inside of intermediate layer crossbeam 210 and width is more than
Breach, the bottom surface of clamp 253 fixes one end of connecting rod 251, and the other end of connecting rod 251 stretches out breach and connects fixed pulley 250.As
Shown in Fig. 6, connecting in assembly, the width of clamp 253 is more than the A/F of horizontal guide groove 211 so that clamp 253 can be stable
In being fastened on intermediate layer crossbeam 210 and will not deviate from from indentation, there, during movement fixed pulley 250, clamp 253 correspondence in intermediate layer
Crossbeam 210 is internal mobile.
This truss offers guide groove on intermediate layer plane support body 200 so that fixed pulley 250 can be walked in guide groove, a side
Face can be according to its hoisting object position of centre of gravity, the position of corresponding regulation fixed pulley 250, on the other hand, and the weight of its lifting object
Suitable regulation fixed pulley 250 and the quantity of fixed pulley 250.
As shown in Figure 6, in one embodiment, have by elastomeric material between the bottom surface of clamp 253 and horizontal guide groove 211
The resistance pad 252 made.Resistance pad 252 is according to natural resiliency, when weight sling by this truss, due to pad and intermediate layer
Plane support body 200 contact area increases, it is possible to provide bigger frictional force, and prevents fixed pulley 250 from moving.Such as intermediate layer plane
Support body 200 uses girder steel welding to make, and resistance pad 252 uses rubber or silica gel material to make.
Connect assembly and there is the stopping means making connection assembly be fixed in intermediate layer crossbeam 210.When fixed pulley 250 is walked
During to predeterminated position, by stopping means, connection assembly can be locked on intermediate layer plane support body 200, locking can be realized fixed
The effect of pulley 250.
After this truss provides fixed pulley 250 to walk in guide groove simultaneously, the structure that fixed pulley 250 is fixed in guide groove,
Make the fixed pulley 250 in this truss when it changes position, can be able to be fixed in guide groove by simple means, structure letter
Single, easy to use, cheap for manufacturing cost, easy to maintenance, be suitable to promote on a large scale.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to this reality
By novel thought, may be made that many changes in specific embodiments and applications, as long as these changes are without departing from this
The design of utility model, belongs to protection domain of the present utility model.