Summary of the invention
The technical problems to be solved in the utility model is, a kind of guide bracket formula automation lifting false work is provided, and can guarantee that scaffold when lifting, can realize the automation of lifting moving process; And the supporting mechanism that adheres to that makes scaffold be connected with building in moving process not only has the support function of adhering to; also have functions such as safety protection function and error adjusting; can avoid security incident because of the initiation of neglected loading component and fitting; the error adjusting device has the function that automatic elimination guide rail guide bracket excesssive gap produces secondary stress, can reduce the jam fault in the lifting.
The utility model solves the problems of the technologies described above like this, construct a kind of guide bracket formula automation lifting false work, comprise form rail guide piece, the scaffold body that is connected with the form rail guide piece, it is characterized in that, comprise that also the lifting means that is fixed in described scaffold support body bottom, the adjusting pre-tightening apparatus that is fixed in scaffold support body top, chain guide device articulate mutually with the free end of described adjusting pre-tightening apparatus and two mobile terminals of described lifting means respectively, also comprise described form rail guide piece location attached to the multi-functional bracing or strutting arrangement that adheres on the building.
In the above-mentioned scaffold that provides according to the utility model, described lifting means is a kind of in strand, loop chain, the multichain electric block, can also be a kind of low speed hoist engine.
In the above-mentioned scaffold that provides according to the utility model, described chain guide device comprises that fixed pulley and flexibility lead the chain steel wire, described fixed pulley is articulated on the described adjusting pre-tightening apparatus, the end that described flexibility is led the chain steel wire passes described fixed pulley and articulates mutually with the mobile terminal of described lifting means, and the other end that described flexibility is led the chain steel wire articulates with sling point after passing another mobile terminal of described lifting means.
In the above-mentioned scaffold that provides according to the utility model, described adjusting pre-tightening apparatus comprises coil tension spring, the adjusting rod that is connected in series with described coil tension spring.
In the above-mentioned scaffold that provides according to the utility model, the described multi-functional anti-fall balancing point device that bracing or strutting arrangement comprises the attached wall fixture, is fixed in described attached wall fixture bottom that adheres to, the biside plate of described attached wall fixture is provided with horizontal straight trough, also comprise and be symmetricly set on described attached wall fixture biside plate inboard, can be along the guide base device of described side plate medial movement, be arranged on the described biside plate outside, the micromatic setting that is connected with described guide base device by the horizontal straight trough on the described side plate.
In the above-mentioned scaffold that provides according to the utility model, described guide base device comprises the mounting bracket with opening, the rotating shaft that is set in parallel in described carrier openings both sides, is set with roller in the described rotating shaft.
In the above-mentioned scaffold that provides according to the utility model, described micromatic setting comprises straight trough and the affixed sleeve of described guiding device that passes on the side plate, be fixed in the described side plate outside, and the tooth bar that be arranged in parallel with described straight trough side, be sleeved on the described sleeve with described tooth bar meshed gears, described sleeve is provided with the nut that described gear can be positioned at the position of engagement.
In the above-mentioned scaffold that provides according to the utility model, described micromatic setting comprises the affixed connecting rod of the straight trough that passes on the described side plate and described guiding device, is connected the nut of described connecting rod end, be located by connecting on the support that the described side plate outside is set with the screw rod of described nut engagement, one end of described screw rod is connected with the adjusting nut, the other end of described screw rod is set with elastic device, one side of described elastic device is resisted against on the side plate of described support, and the opposite side of described elastic device is provided with setscrew nut and the cottor pin with described screw engages.
In the above-mentioned scaffold that provides according to the utility model, described micromatic setting comprises straight trough and the affixed screw rod of described guiding device that passes on the described side plate, is connected the nut on the described affixed screw rod.
In the above-mentioned scaffold that provides according to the utility model, described anti-fall balancing point device comprises the anti-fall fixture block that is rotationally connected, the back-moving spring that is connected with described anti-fall fixture block one end, and adjustable balancing point is connected with a joggle with the nut that is fixed on described anti-fall fixture block middle part.
In the above-mentioned scaffold that provides according to the utility model, described elastic device is overlaped by a plurality of dish springs and constitutes.
Implement the guide bracket formula automation lifting false work that the utility model provides, by lifting means being moved down on the support body that is fixed in scaffold, and in the original device structure, increase chain guide device and regulate pre-tightening apparatus, need not artificial mobile jacking equipment and last sling point during use, reduced labor intensity of operating personnel; Simultaneously, cost of manufacture is low, highly versatile, can make the stressed size of adjusting pre-tightening apparatus root a tree name of lifting false work regulate this lifting gear automatically since during lifting angle change lifting end that causes and the change in length that goes out the end of the chain, guarantee the two ends synchronization lifting and unlikely blocking, pre-tightening apparatus in the system can guarantee the preceding pretension unanimity of a plurality of lifting gear liftings, bears uniform lifting load; Supporting be arranged on multi-functional on the building adhere to be provided with guide bracket in the bracing or strutting arrangement, adhere to load and error adjusting, member such as anti-fall safety, collection adheres to support, bearing load, anti-drop device, adjustment preformed hole sum of errors mechanism and partly eliminates (because of pushing generation) secondary stress and is installed on one, of the present invention widely applicable, simple in structure, compact, volume is little, installations is easy, the use safety and reliability.
The specific embodiment
Fig. 1 show the utility model guide bracket formula automation lifting false work the composition structure and with the connection diagram of scaffold support body, be provided with the lifting means 4 that is fixed in scaffold support body 3 bottoms in the system, be fixed in the adjusting pre-tightening apparatus 1 on scaffold support body 3 tops, also be provided with a chain guide device 2 and articulate mutually with the free end of regulating pre-tightening apparatus 1 and two mobile terminals of lifting means 4 respectively, lifting means 1 can move up and down by the support body 3 of chain guide device 2 pulling scaffolds; In system, also be provided with multi-functional the adhere to bracing or strutting arrangement 6 affixed with building, the multi-functional form rail guide piece that adheres in bracing or strutting arrangement 6 and the scaffold is slidingly connected, be used, can adhere to bracing or strutting arrangement 6 and have guiding, error adjusting and anti-fall safe effect with scaffold support body 3 perpendicular positionings attached on the building.
The lifting means 4 that constitutes jacking system can adopt Electric Chain Blocks, strand electric block or double-stranded electric block with two opposite mobile terminals to realize, can also adopt the very slow low speed hoist engine of a kind of hoisting velocity to realize.
Chain guide device 2 in the system can adopt two kinds of structures to realize, a kind of is to lead chain steel wire 22 by fixed pulley 21 and flexibility to constitute, fixed pulley 21 is articulated on the free end of regulating pre-tightening apparatus 1 (as shown in Figure 2), the end that flexibility is led chain steel wire 22 passes fixed pulley 21 backs and articulates mutually with the mobile terminal 41 of lifting means 4, and another 42 backs, mobile terminal and sling point 5 that the other end that flexibility is led chain steel wire 22 passes lifting means 4 articulate (as shown in Figure 1 and Figure 2).
Another kind of chain guide device can adopt assembly pulley and flexible cable to constitute, the fulcrum of assembly pulley is articulated with the adjusting pre-tightening apparatus, articulate mutually with the mobile terminal of lifting means after one end of flexible cable passed assembly pulley, the other end of flexible cable articulates (not shown) with sling point after passing another mobile terminal of lifting means.
Last sling point can the running by lifting means rise or descend automatically, need not man-handling of materials, and last sling point is fixed in the building structure by bolt assembly.
Fig. 2 show with jacking system in regulate the concrete structure schematic diagram of pre-tightening apparatus, this device can automatically adjust because of angle changes the change in length that causes according to two ends in lifting gear deadweight and the lifting process as we know from the figure, guarantee lifting in the lifting process and lead chain synchronously, this device can be spring structure (open type and an enclosed all can), also can be hydraulic means or other structure, can adopt spring 11 and bolt adjusting rod 12 formations (shown in the figure) or other structure that can regulate length to realize; Regulating pre-tightening apparatus can be that angle changes lifting end that causes and the change in length that goes out the end of the chain when regulating this lifting gear owing to lifting automatically according to stressed size, guarantee the two ends synchronization lifting and unlikely blocking, at its top, other installs length adjustment device additional, as the pre-tightening apparatus before the lifting gear lifting, guarantee the preceding pretension unanimity of a plurality of lifting gear liftings, bear uniform lifting load.
In said structure, each device can constitute an automatic ring-like lifting and lead chain link, and two ends was synchronous when it can guarantee lifting, can move sling point automatically again.
It is to be bare bones with attached wall load fixture that multi-functional in the utility model system adheres to bracing or strutting arrangement, guide base device 8 and anti-drop device 10 and micromatic setting 12 are installed on it, the attached wall fixture is made of attached wall fixed head 7 and biside plate 72,73, on fixture and biside plate 72,73, be equipped with straight horizontal chute 71,74,75 (shown in Fig. 3,4,5,6), guide base device 8 is arranged on the inboard of adhering to load-carrying member 7 biside plates 72,73, anti-drop device 10 be installed in guide base device 8 below; Micromatic setting 12 is installed in the outside of adhering to load-carrying member 7 biside plates 72,73 and is connected with guide base device 8 by the straight trough on the side plate 74,75, adhere to load-carrying member and play attached wall effect and carrying effect, be arranged on the error that the straight trough 71 on the attached wall fixed head 7 can be regulated preformed hole, guide base device 8 had both play the guiding role, be again the box body of anti-drop device 10, simultaneously again and adhere to the chute 71 of load-carrying member 7 and micromatic setting 12 and play fine setting horizontal direction distance and reduce between form rail guide piece 9 and the guide base device 8 because of pushing the secondary stress effect that produces.
The structure of guide base device 8 as shown in Figure 5, in guide base device 8, be provided with mounting bracket 81 with opening, both sides at support 81 openings are arranged with rotating shaft 83 in parallel, in rotating shaft 83, be set with roller 82, the dual mode that is combined with of roller 82 and form rail guide piece 9, a kind of is to cooperate with the outer side roll of rail guide piece 9, roller 82 can be arranged to the arcuate structure (shown in Figure 5) that matches with rail guide piece 9 outsides near the outer round surface of side plate 72 1 ends, in guide base device 8, can also adopt structure that vertical sliding shaft sleeve is set and form rail guide piece 9 guiding that is slidingly matched in support.
The utility model provides three kinds of micromatic setting structures to realize the fine adjustment function of guide base device 8, a kind of structure such as Fig. 5, shown in Figure 8, be provided with the affixed sleeve 122 of the straight trough that passes on the side plate 72 74 and guide base device 8, be provided with and be fixed in side plate 72 outsides, and the tooth bar 121 that be arranged in parallel with straight trough 74 sides, be sleeved on the sleeve 122 with tooth bar 121 meshed gears 124, on sleeve 122, be provided with the nut 123 that gear 124 can be positioned at the position of engagement.When form rail guide piece 9 is pulled outwardly or the active force of interior pressure during greater than the frictional force of 124 two end faces of gear after nut 123 is tightened, ways 9 can be regulated outward in the chute 74 that adheres to load-carrying member or regulated inward, push the generation secondary stress because of unbalance stress when eliminating 9 liftings of Yin Geshi rail guide piece.
Second kind of micromatic setting structure as shown in Figure 6, be provided with the affixed connecting rod 131 of the straight trough that passes on the side plate 73 74 and guiding device 8, be connected the nut 137 of connecting rod 131 ends, be located by connecting on the support 132 that side plate 72 outsides are set with the screw rod 138 of nut 137 engagements, the other end of screw rod 138 is set with elastic device 135 and (can adopts a plurality of dish springs to overlap, also can adopt other stage clip to constitute), one side of elastic device 135 is resisted against on the side plate of support 132, and the opposite side of elastic device 135 is provided with setscrew nut 134 and the cottor pin 133 with screw rod 138 engagements; This structure is to push the generation secondary stress because of unbalance stress when adopting elastic device to eliminate 9 liftings of Yin Geshi rail guide piece.
The structure of the third micromatic setting as shown in Figure 4, be provided with the affixed screw rod 76 of the straight trough that passes on the side plate 72 74 and guiding device 8, be provided with clamp nut 77 in the connecting screw rod outside, push the secondary stress of generation when utilizing clamp nut 77 to eliminate 9 liftings of Yin Geshi guide rail owing to unbalance stress with the frictional force of side plate 72.
As shown in Figure 7, in anti-fall balancing point device 10, be provided with the anti-fall fixture block 101 that is rotationally connected, the back-moving spring 104 that is connected with anti-fall fixture block 101 1 ends, adjustable balancing point 102 is connected with a joggle with the nut 103 that is fixed on anti-fall fixture block 101 turning cylinders middle part, anti-drop device 10 and 9 swings of form rail guide piece are cooperated, can play fall arrest, the balancing point 102 of anti-drop device 10 can be regulated length by the nut 103 that is meshed with it, when having error, can suitably regulate the checkerwork cell of form rail guide piece 9, guarantee anti-fall reliable, when back-moving spring 104 lost efficacy, anti-drop device 10 fell down under the effect of anti-fall fixture block 101 deadweights, also can play anti-fall effect simultaneously.
Fig. 7 is the several operating positions schematic diagram of anti-drop device when crane rises frame, A represents that the anti-fall balancing point 102 of anti-drop device 10 is in the normal condition position among the figure, anti-fall balancing point 102 residing positions when B represents to rise among the figure, C represents that anti-drop device 10 glides too fast at the form crane among the figure, balancing point 102 residing positions when realizing anti-drop function, adhering to load-carrying member 2 in order to elimination Yin Geshi rail guide piece 9 is fixed in the building structure by attached wall fixed head 7, and can realize preformed hole error in the stepless adjustment building structure by straight trough 71, assurance can reach reliable anti-fall purpose according to the decrease speed variation of form rail guide piece, be that form rail guide piece 9 can pass through when descending at a slow speed smoothly, and it is reliably anti-fall fast the time, the crane support body is fixed on by form rail guide piece 9 and pipe collar spare and adheres on the load-carrying member, lifting by form rail guide piece 9 can stepless adjustment vertical direction distance, satisfy the construction needs of different layers high constructure.
Adhere to load fixture 6 and can adopt the steel part member, also can adopt steel-casting to realize, this member attached wall fixed head 7 and side 72,73 are equipped with chute 71,74,75, and the distance of the gentle vertical direction of adjustable water saving reaches the distance of adjusting between preformed hole sum of errors form rail guide piece 9 and the attachment point.
In said structure, anti-drop device 10 is to adopt balancing point type fall-preventing device, also can adopt other transformable mechanical type can anti-fall automatically device, and the following yaw of balancing point 102 is adjustable, and anti-drop device 10 does not lose safe anti-drop function when faults such as generation inefficacy.
The multi-functional bracing or strutting arrangement that adheres in the utility model system, with the form rail guide piece 9 supporting uses on the scaffold, realize the lifting and the anti-drop function of scaffold, form rail guide piece 9 can be the diagram steel tubular structure, also can be other formed steel construction, other structural shape, what no matter structural shape, but must guarantee to be made into the checkerwork cell structure with anti-fall balancing point cooperation place.
When using native system, lifting means in the system can be fixed on the support body of scaffold, and regulate chain guide device and regulate pre-tightening apparatus, need not artificial mobile jacking equipment and last sling point during use, angle changed lifting end that causes and the change in length that goes out the end of the chain when but the stressed size of adjusting pre-tightening apparatus root a tree name was regulated this lifting gear automatically owing to lifting, guarantee the two ends synchronization lifting and unlikely blocking, pre-tightening apparatus in the system can guarantee the preceding pretension unanimity of a plurality of lifting gear liftings, bears uniform lifting load; When mobile scaffold, the supporting multi-functional form guide rail that adheres on bracing or strutting arrangement and the scaffold that is arranged on the building is used, can adjust preformed hole sum of errors mechanism and partly eliminate (because of pushing generation) secondary stress, safety dropping prevent mechanism in the device can guarantee that scaffold when moving up and down, security incident can not take place; Of the present utility model widely applicable, simple in structure, compact, volume is little, installations is easy, the use safety and reliability.