Summary of the invention
The present invention is directed to the deficiency that prior art exists, it is provided that for the scaffold of large space construction, concrete technical scheme is as follows:
Scaffold for large space construction, including truss mechanism and electric lifting platform, truss mechanism includes four truss upright-columns being arranged on corner, the bottom of truss upright-column is fixedly connected with the ground, being provided with many first wall attaching rods on truss upright-column, truss upright-column is connected by the first wall attaching rod and metope are fixing;Electric lifting platform is arranged on two relative sides of truss mechanism, driving motor it is provided with on electric lifting platform, the edge of electric lifting platform is provided with circle first fence, first fence is fixing with electric lifting platform to be connected, and drives driven by motor electric lifting platform to move back and forth along the direction that truss upright-column limits;The centre of described electric lifting platform is provided with operation platform, it is bolted to connection between operation platform and electric lifting platform, the edge of operation platform is provided with circle second fence, second fence is fixing with operation platform to be connected, operation platform be provided above the top scaffold with step, scaffold be provided around many steel wire ropes, on the first fence that scaffold is fixed on electric lifting platform by the steel wire rope of a portion, on the second fence that scaffold is fixed on operation platform by remaining steel wire rope;Described truss mechanism be provided above slide rail, many connecting rods and Duo Gen the second wall attaching rod, the end of slide rail is fixing with the top of connecting rod to be connected, the tail end of connecting rod is connected by the second wall attaching rod and metope are fixing, the mid portion of the second wall attaching rod is connected by bolt is fixing with the top of truss upright-column, multiple separate slide block it is provided with on slide rail, the lower section of slide rail is provided with the safety rope matched with slide block, the top of safety rope is fixedly connected with a slide block, the tail end of safety rope contacts with ground, moves in the direction that safety rope is limited along slide rail by slide block.
Improvement as technique scheme, described truss upright-column is composed in series by multiple unit frameworks, it is bolted to connection between adjacent unit framework, the side of unit framework is provided with the U-shaped pole-climbing perpendicular with unit framework, and the opening of pole-climbing and unit framework are fixedly connected to form enclosed construction.
Improvement as technique scheme, described scaffold includes column and the cross bar of multiple horizontal distribution of multiple vertical distribution, column and cross bar crisscross formation three-dimensional mesh structure, the left and right sides of cross bar is respectively arranged with the first joint, the cross section of the first joint is isosceles trapezoid, and the first joint is fixing with cross bar to be connected;Multiple fixed disk it is provided with on described column, the central authorities of fixed disk are provided with the first installing hole, column is connected through the first installing hole and fixed disk are fixing, and the upper surface of fixed disk is provided with minimum four convex tendons to matching with the first joint, and convex tendon is symmetrically distributed in around the first installing hole;" 7 " shape steady pin it is provided with between first joint and fixed disk, it is provided with on first joint and matches with steady pin and the fixing hole of up/down perforation, it is provided with between every pair of convex tendon and matches with steady pin and the hole, location of up/down perforation, be flexibly connected in the way of the hole, location that steady pin is sequentially inserted on the fixing hole on the first joint and fixed disk between the first joint and fixed disk.
Improvement as technique scheme, described fixed disk be provided above lock collar, lock collar central authorities are provided with the second installing hole, and column is fixed through the second installing hole and lock collar and is connected, being additionally provided with minimum of four lockhole in lock collar, lockhole is symmetrically distributed in around the second installing hole;Being provided with on the tail end of steady pin and tie up hole, be provided with tied rope between lock collar and steady pin, one end of tied rope is connected with lock collar through lockhole, and the other end of tied rope passes to be tied up hole and be connected with steady pin.
As the improvement of technique scheme, the bottom of described column is provided with the first universal wheel, and the first universal wheel is flexibly connected with the bottom of column.
Improvement as technique scheme, it is additionally provided with inclined ladder on described scaffold, the two ends up and down of inclined ladder be respectively arranged with match with cross bar and snap fit, the second joint it is provided with between snap fit and inclined ladder, one end of second joint is fixing with inclined ladder to be connected, and the side of snap fit is provided with two arc the 3rd installing holes passed for bolt;The other end of described second joint is provided with the arc conciliation portion matched with snap fit, conciliation portion is fixing with the second joint to be connected, it is provided with two structure fourth installing holes identical with the 3rd installing hole in conciliation portion, is bolted to connection between snap fit and the second joint.
As the improvement of technique scheme, it is integral type structure between described convex tendon and fixed disk.
As the improvement of technique scheme, the bottom surface of described operation platform is provided with multiple second universal wheel, and the second universal wheel is flexibly connected with the bottom surface of operation platform.
Scaffold for large space construction of the present invention has the advantage that
1), the steel pipe built of scaffold and steel plate consumption few, low cost, set up speed fast, the time of building is short, and scaffold stability is good, convenient, safe and reliable devoid of risk;
2), utilize electric lifting platform that scaffold and operation platform are promoted to need the top of operation, dismountable moving between operation platform and electric lifting platform, the angle between operation platform, scaffold and dome can not only be adjusted at any time, avoid the occurrence of the dead angle that can not construct, and compared with the construction method building the full hall frame scaffold of tradition, greatly reducing workload and the workload of transport construction material that workmen builds a framework, efficiency of construction significantly improves;
3), utilizing and install many separate safety ropes on slide rail additional and provide reliably guarantee for workmen at work high above the ground construction safety further, safety rope is separate does not affect construction;
4), the truss upright-column on scaffold, electric lifting platform, slide rail, scaffold, operation platform etc. dismantle devoid of risk simple, safe, convenient transportation;Wherein scaffold can be additionally used in the construction of common building, and recycling rate of waterused is high, and scaffold need not instrument in build process, fast and easy, and the scaffold built is safe and reliable, shortens the time building scaffold, reduce cost and the labor intensity of scaffold, improve production efficiency;When having constructed rear, the parts on scaffold can reuse and be difficult to lose, and reduces production cost and use cost.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, Figure 2 with shown in Figure 14, the described scaffold for large space construction, including truss mechanism and electric lifting platform 20, truss mechanism includes four truss upright-columns 10 being arranged on corner, the bottom of truss upright-column 10 is fixedly connected with the ground, being provided with many first wall attaching rods 11 on truss upright-column 10, truss upright-column 10 is connected by the first wall attaching rod 11 and metope are fixing;Electric lifting platform 20 is arranged on two relative sides of truss mechanism, driving motor 22 it is provided with on electric lifting platform 20, the edge of electric lifting platform 20 is provided with circle first fence 21, first fence 21 is fixing with electric lifting platform 20 to be connected, and drives motor 22 driving electric hoistable platform 20 to move back and forth along the direction that truss upright-column 10 limits;The centre of described electric lifting platform 20 is provided with operation platform 60, it is bolted to connection between operation platform 60 and electric lifting platform 20, the edge of operation platform 60 is provided with circle second fence 61, second fence 61 is fixing with operation platform 60 to be connected, operation platform 60 be provided above the top scaffold 40 with step, scaffold 40 be provided around many steel wire ropes 50, on the first fence 21 that scaffold 40 is fixed on electric lifting platform 20 by the steel wire rope 50 of a portion, on the second fence 61 that scaffold 40 is fixed on operation platform 60 by remaining steel wire rope 50;Described truss mechanism be provided above slide rail 30, many connecting rod 32 and Duo Gen second wall attaching rods 33, the end of slide rail 30 is fixing with the top of connecting rod 32 to be connected, the tail end of connecting rod 32 is connected by the second wall attaching rod 33 and metope are fixing, the mid portion of the second wall attaching rod 33 is connected by bolt is fixing with the top of truss upright-column 10, multiple separate slide block 301 it is provided with on slide rail 30, the lower section of slide rail 30 is provided with the safety rope 31 matched with slide block 301, the top of safety rope 31 is fixing with slide block 301 to be connected, the tail end of safety rope 31 contacts with ground, move in the direction that safety rope 31 is limited along slide rail 30 by slide block 301.
Described scaffold can be used to the building dome of high tens meters is carried out construction, and it is set up and using method is as follows:
1) set up four truss upright-columns 10 along corner, then installed electric lifting platform 20, adjust the levelness of electric lifting platform 20.
2) as required at the middle erection construction platform 60 of electric lifting platform 20, if operation platform 60 is welded by many steel pipes and plurality of steel plates, adjust the levelness of operation platform 60, with bolt, operation platform 60 is fixed on electric lifting platform 20;Wherein the width of operation platform 60 is less than the length of electric lifting platform 20, make to be formed between electric lifting platform 20 and operation platform 60 an I-shaped structure, not only make the steel pipe of operation platform 60 and the materials minimum saving half of steel plate, also reduce the load of electric lifting platform 20, reduce the burden driving motor 22, save material cost and energy cost.
3) setting up scaffold 40 on operation platform 60, scaffold 40 moves towards to arrange several steps at the top of scaffold 40 according to the radian of the dome of building when setting up;Utilize on the first fence 21 that scaffold 40 is fixed on electric lifting platform 20 by steel wire rope 50, on the second fence 61 that scaffold 40 is fixed on operation platform 60 by recycling steel wire rope 50, make the fixing-stable between scaffold 40 and operation platform 60, consolidate, also facilitate dismounting, and steel wire rope 50 also has Unloading Effect.
4) between slide rail 30 and many connecting rods 32, between connecting rod 32 and the second wall attaching rod 33, first it is completed on ground between slide block 301 and safety rope 31, slide rail 30 is lifted to build the lower section of dome by recycling electric lifting platform 20, operation platform 60, scaffold 40, slide rail 30 differs less than 2 meters with the highest point of building dome, then utilizes the second wall attaching rod 33 to be fixed on metope by the tail end of connecting rod 32;The mid portion of the second wall attaching rod 33 is fixed by recycling bolt with the top of truss upright-column 10, reinforce said structure further, it is made to ensure stable, ensure the independence of slide rail 30, stability and safety, the safety to slide rail 30 is avoided when electric lifting platform 20, scaffold 40, operation platform 60 etc. occur unexpected to impact, improve the safety of slide rail 30 further so that the safety of workmen is protected.Wherein electric lifting platform 20 needs through repeatedly debugging driving motor 22 in first time uphill process, ensure operation platform 60 not run-off the straight in uphill process, although the first fence 21 and the second fence 61 have safety protection function, but for ensureing workmen's safety, workmen needs to fasten insurance sling, and the safety door hook on safety rope hooks on the first fence 21 or the second fence 61.
5) when slide rail 30 installs; operation platform 60 is dropped on ground; then construction material and instrument are moved on operation platform 60 and scaffold 40; workmen fastens the rope guard matched with safety rope 31 on waist; such as GRIGRI protector (a kind of climbing protector with auto-lock function), electric lifting platform 20 is then utilized to go up to the air scaffold 40 to specifying position;In operation platform 60 uphill process, make operation platform 60 run-off the straight or other accidents if as accident, under the effect of safety rope 31 and rope guard, it is to avoid workmen drops from operation platform 60, ensure the safety of workmen to greatest extent;When on scaffold 40, safety rope 31 moves along with the slide rail 30 that is moved along of workmen, and work progress will not be interfered by safe ready, and implementation result is good.
6) after the side of building dome completes construction, operation platform 60 is disassembled from electric lifting platform 20, then by operation platform 60 after a segment distance is moved in the left side of electric lifting platform 20 or right side, again operation platform 60 is fixed on electric lifting platform 20, continues to construct building dome until building dome and having constructed according to step 5.
7) when operation platform 60 is near wall (safe distance 300mm), wall can be carried out patch block finishing or bossage, the several workmen of this process can stand on operation platform 60 and scaffold 40, constructs metope simultaneously, improve efficiency of construction, shorten the engineering time.
For convenience of safety, truss upright-column 10 is installed, as shown in Figure 3 and Figure 4, described truss upright-column 10 is composed in series by multiple unit frameworks 101, it is bolted to connection between adjacent unit framework 101, the side of unit framework 101 is provided with the U-shaped pole-climbing 102 perpendicular with unit framework 101, and the opening of pole-climbing 102 and unit framework 101 are fixedly connected to form enclosed construction.On the one hand the effect of pole-climbing 102 makes the side of the truss upright-column 10 after installing form the ladder climbed for workmen, it is simple to workmen constructs continuously;On the other hand, when up installation unit framework 101, workmen needs to fasten insurance sling, and the safety door hook on safety rope hooks in U-shaped pole-climbing 102, ensures the safety of workmen further;And U-shaped pole-climbing 102 also makes unit framework 101 become simple in transportation, convenient.Truss upright-column 10 is fixed with bolt after being connected by multiple unit frameworks 101 so that the installation of truss upright-column 10, dismounting become more convenient, simple, and the truss structure having four truss upright-columns 10 to constitute makes described scaffold good stability, and consumption is few.
In work progress, owing to building dome structure is irregular, therefore for adapting to the construction of building dome, dismantle, install and reuse scaffold 40 for convenience, as shown in Fig. 5 ~ 10, described scaffold 40 includes the column 410 of multiple vertical distribution and the cross bar 420 of multiple horizontal distribution, column 410 and cross bar 420 crisscross formation three-dimensional mesh structure, and column 410 and cross bar 420 all can select steel-pipe welding to make as required;The left and right sides of cross bar 420 is respectively arranged with the first joint 421, and the cross section of the first joint 421 is isosceles trapezoid, and the first joint 421 is fixing with cross bar 420 to be connected;Multiple fixed disk 411 it is provided with on described column 410, the central authorities of fixed disk 411 are provided with the first installing hole 4111, column 410 is connected through the first installing hole 4111 is fixing with fixed disk 411, the upper surface of fixed disk 411 is provided with minimum four convex tendons 4112 to matching with the first joint 421, and convex tendon 4112 is symmetrically distributed in the first installing hole 4111 around;" 7 " shape steady pin 430 it is provided with between first joint 421 and fixed disk 411, it is provided with on first joint 421 and matches and the fixing hole of up/down perforation with steady pin 430, it is provided with between every pair of convex tendon 4112 and matches with steady pin 430 and the hole, location 4113 of up/down perforation, be flexibly connected in the way of the hole 4113, location that steady pin 430 is sequentially inserted on the fixing hole on the first joint 421 and fixed disk 411 between the first joint 421 and fixed disk 411.
Described fixed disk 411 be provided above lock collar 440, lock collar 440 central authorities are provided with the second installing hole 4401, column 410 is connected through the second installing hole 4401 is fixing with lock collar 440, being additionally provided with minimum of four lockhole 4402 in lock collar 440, lockhole 4402 is symmetrically distributed in the second installing hole 4401 around;Being provided with on the tail end of steady pin 430 and tie up hole 431, be provided with tied rope 441 between lock collar 440 and steady pin 430, one end of tied rope 441 is connected with lock collar 440 through lockhole 4402, and the other end of tied rope 441 passes to be tied up hole 431 and be connected with steady pin 430.
In scaffold 40 installation process, column 410 can be made according to highly desirable steel-pipe welding, is fixed by the first joint 421 and fixed disk 411, lock with steady pin 430 first joint 421 and fixed disk 411 between cross bar 420 and column 410.It is flexibly connected in the way of the hole 4113, location that steady pin 430 is sequentially inserted on the fixing hole on the first joint 421 and fixed disk 411 so that between cross bar 420 and column 410, installing/dismounting is simple, convenient and there is not the defect that cannot use of getting rusty between first joint 421 and fixed disk 411.The cross section of the first joint 421 is that isosceles trapezoid makes every pair of convex tendon 4112 be all "eight" shape, convenient processing, and make between the first joint 421 and convex tendon 4112 coordinate more stable, firm, it is to avoid slip.Use steady pin 430 locking that fixed structure is readily disassembled, facilitate scaffold to repeat construction and transport.The quantity of convex tendon 4112 is arranged to minimum four installation requirements to meeting four directions all around, it is simple to scaffold is stable.Under the effect of tied rope 441 so that scaffold steady pin 430 before building is difficult to lose.Wherein do not use the reason welded to be between convex tendon 4112 with fixed disk 411 for integral type structure, the weld flush produced due to welding can make to coordinate between the first joint 421 and convex tendon 4112 the tightst, make to be susceptible to rock between cross bar 420 and column 410, reduce the stability of scaffold 40.
Moving at operation platform 60 for ease of scaffold, the bottom of described column 410 is provided with the first universal wheel 412, and the first universal wheel 412 is flexibly connected with the bottom of column 410.
Climb for convenience of on scaffold 40, as shown in Figure 11 ~ 13, described scaffold 40 is additionally provided with inclined ladder 450, and for convenience of in walking, the cross bar 420 of each layer is laid steel plate;The two ends up and down of inclined ladder 450 be respectively arranged with match with cross bar 420 and snap fit 452, the second joint 451 it is provided with between snap fit 452 and inclined ladder 450, one end of second joint 451 is fixing with inclined ladder 450 to be connected, and the side of snap fit 452 is provided with two arc the 3rd installing holes 4521 passed for bolt;The other end of described second joint 451 is provided with and snap fit 452 and the arc conciliation portion 4511 matched, conciliation portion 4511 is fixing with the second joint 451 to be connected, it is provided with two structure fourth installing holes 4512 identical with the 3rd installing hole 4521 in conciliation portion 4511, is bolted to connection between snap fit 452 and the second joint 451.
According to different construction demands, the height that scaffold 40 is set up is different, and therefore on scaffold 40, the density of the cross bar 420 of each layer is different, and for making preferably to engage between inclined ladder 450 with cross bar 420, the fixed angle between snap fit 452 and cross bar 420 can change therewith.Due to arc the 3rd installing hole 4521 and the effect of the 4th installing hole 4512 of arc, according to actual needs the angle between arc conciliation portion 4511 and snap fit 452 can be adjusted, the angle between snap fit 452 and inclined ladder 450 is made to meet demand, again by bolt through the 3rd installing hole 4521 or the 4th installing hole 4512, snap fit 452 is fixed on the second joint 451, ensure that inclined ladder 450 can hang on cross bar 420 firmly, avoid inclined ladder 450 moving or falling off in the case of other heavy burdens, cause security incident.
For convenience of the operation platform 60 on mobile ground in work progress, the bottom surface of described operation platform 60 is provided with multiple second universal wheel 63, and the second universal wheel 63 is flexibly connected with the bottom surface of operation platform 60.When being disassembled from electric lifting platform 20 by operation platform 60, the second universal wheel 63 can contact with ground, and under the effect of the second universal wheel 63, mobile operation platform 60 will become the easiest, time saving and energy saving.
Described scaffold can be used for being that the building megaron of 27 meters carries out dome decoration and decoration engineering from ground to top, except needing the patch block finishing of the four sides wall structural post to be done to building megaron, another side is for also needing to metope is done bossage, one very important finishing difficult point of this engineering is exactly the shelf daylighting decorative engineering to be done of dome, nearly 27 meters high of bottommost from ground to dome, if by traditional full hall frame scaffold scheme, needed for the steel pipe of scaffold built and steel plate enormous amount, the a minimum of 400 tons of weights of gross weight of steel pipe and steel plate, and the time of setting up be not less than 3 months long, can not meet construction period.And the gross weight of truss upright-column 10, electric lifting platform 20, slide rail 30, scaffold 40, operation platform 60 etc. is less than 150 tons on described scaffold, not only conservation, and it is fast to build the time, and building of truss upright-column 10, electric lifting platform 20, scaffold 40, operation platform 60 can synchronize to carry out, only need to be fixed in later stage shift position again and install, within one month, less than putting up, the time is built in reduction significantly.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.