The utility model content
The purpose of this utility model is the problem that prior art exists is solved, so provide a kind of simple in structure, save steel, the guide tracked lifting platform device of construction period chimney short, easy to operate, that can guarantee chimney construction quality and working security.
The technical solution that adopts is so for achieving the above object: the guide tracked lifting platform device of the chimney that is provided is by forming with a peaceful derrick and a cover guide rail hoisting mechanism.Be erected at guide rail hoisting mechanism top with peaceful derrick, being fitted with on it shakes the head hang material gin pole, radiation beam, central dram circle, in hang platform and Lifting basket etc.On the concrete tube wall of guide rail hoisting mechanism attached to chimney, it is formed by load track plate and by handling frame and hoisting frame that power set (hydraulic means or electronic deceleration device) drive, wherein load track plate is made of channel-section steel, it is installed on the barrel by two secondary split bolts, hoisting frame is set in the handling frame, the both sides of handling frame are provided with the channel-section steel guide rail, the roller that can roll and climb in the channel-section steel guide rail is being housed on the two side of hoisting frame, on handling frame and hoisting frame, also is being respectively equipped with a plurality of being used for and fixing handling frame hook and the hoisting frame roller pin that connects dress of load track plate.In the work, power set are located on the hoisting frame, and handling frame is being born the load with peaceful derrick.
The process that this device is committed to chimney construction is such: get load track plate it is adhered on the installation steel concrete barrel under construction by the mode of being arranged above and below successively by split bolt spare separately, hydraulic pressure or electric type power device are installed on the hoisting frame of guide rail hoisting mechanism, and hoisting frame is fixed on down in the pin-and-hole default on the load track plate by the hoisting frame roller pin; The forward device that turns on the power makes the power set that are fixed on the hoisting frame drive handling frame and rises along the hoisting frame roller, reach predetermined altitude after, in load track plate preformed hole, insert force-bearing pin, and make the hook of handling frame both sides hang the jail on force-bearing pin; Afterwards the fixed solution between hoisting frame and load track plate is removed, the device that oppositely turns on the power makes hoisting frame two side wheels up along handling frame channel-section steel guide rail, and then hoisting frame is that fulcrum rises along the load track with the handling frame; After putting in place, still fixed hoisting frame by the mode that the hoisting frame roller pin is fixed in the track plate pin-and-hole; On handling frame that has promoted and suspension bracket, install then, adjust, fixing inner and outer template, to radius, placing of concrete is laid bricks; Again from the disengaging of having constructed the concrete tube wall of handling frame bottom remove a joint load track plate, connect on original load-carrying member plate above, use after the leveling drawing female screw bolt to be fixed on the concrete tube wall; Hook on the unclamp operation frame, the forward device that turns on the power rises handling frame, and the handling frame fixing back in place and then the device that oppositely turns on the power again rise hoisting frame; Cycling is so again and again alternately risen load track plate, handling frame and hoisting frame, finally finishes the work progress of whole chimney structure.
The utility model is when being used for the construction of chimney structure; whole device is all attached on the steel concrete barrel; handling frame and hoisting frame promote mutually by the rotating of power; itself also rises device along with the rising of structure, can realize the synchronous construction of steel concrete barrel (urceolus), haydite concrete barrel (inner core), liner, cat ladder, signal platform etc. thus.The connection up and down of load track plate is simple and reliable in the guide rail hoisting mechanism, they both can be as the part of template in work progress, be again the hard point of all objects such as derrick, platform, hanging basket, controlled the radius of load track plate on barrel, also just controlled the radius of chimney.In addition, owing to adopted the multi pack mode that guarantees safety work, the guide rail hoisting mechanism is that the strong point promotes with load track plate, and all the load of construction equipment self is born by the barrel concrete structure that has certain intensity, steel had so both been saved, shortened the construction period, overcome again in the hydraulic slip-form technology that the concrete surface that occurs easily is coarse, chimney wall is easily by drawing crack and the drift of working platform generation center or phenomenon such as reverse, make quality of concrete that technologic assurance arranged, the physical dimension that chimney is constructed also is easy to control.Simple and reasonable, convenient and reliable operation of the present utility model, applied range and compliance are strong, and is all applicable to large-scale and small-sized chimney structure constructions such as monotubulars, sleeve, many.With regard to sliding form apparatus, can not construct winter, and device described in the utility model can be constructed in whole winter.
The specific embodiment
The utility model a kind of example structure as shown in Figure 1 by be fitted with on it shake the head hang material gin pole 2, radiation beam 8, central dram circle 9, in hang forming of platform 12 and Lifting basket 15 with peaceful derrick and the guide rail hoisting mechanism that is attached to chimney reinforced concrete barrel 16, its middle guide hoisting mechanism by branch be located at concrete tube wall 16 inboards and the outside inside and outside load track plate 6 ' and 6, internal and external dynamic device (reductor) 4 ' and 4, inside and outside handling frame 3 ' and 3 and inside and outside hoisting frame 5 ' and 5 form.Inside and outside hoisting frame 5 ', 5 is set in respectively in the inside and outside handling frame 3 ', 3, be provided with the channel-section steel guide rail 31 that constitutes by channel-section steel in the both sides of handling frame 3, at then corresponding dress on the two side of hoisting frame 5 by the roller 51 (seeing Fig. 3 for details) that can in handling frame channel-section steel guide rail, do to roll and climb.The front portion of handling frame 3 is provided with a plurality of being used for and the hook 32 of the fixing company of extension of load track plate 6, then is provided with a plurality of can roll also available block 53 and square steel pins 54 etc. in hoisting frame 5 front portions and is fixed on hoisting frame roller pin 52 (Fig. 4) on the track plate 6 in load track plate 6.Be used to make track plate 6 and chimney outer tube wall 16 connect dress split bolt 7 structure as shown in Figure 5, it comprises the high-strength bolt 73 and symmetrical two stressed collars 71 and two butterfly nuts 72 that are divided into bolt 73 outsides that are inserted in the concrete tube wall preformed hole, during installation, pass in the preformed hole that high-strength bolt 73 is left on chimney outer tube wall 16, be inserted in load track plate 6 ', 6 from bolt 73 two again, load onto stressed collar 71 successively and be screwed into butterfly spiral shell 72 in track plate 6 ', 6 outer ends then.After treating that load track plate 6 ', 6 installs, will operate (lifting) frame again and be fixed in the pin-and-hole of being opened in advance on the track plate by the fixedly multi pack spare on it.Label 10 is a bottle gouard moved by hands in the accompanying drawing; 11 is interior tube template; 13 are haydite concrete smoke evacuation barrel (inner core); 14 is refractory brick; 17 is interior compensation template; 18 is big diagonal brace; 33 is the handling frame roller.
The guide tracked lifting platform device of chimney described in the utility model also has a kind of one-sided form of implementation of establishing the guide rail hoisting mechanism as shown in Figure 2, promptly installs the form of structure that the middle guide hoisting mechanism is made up of the load-carrying member plate 6 that is located at concrete tube wall 16 outsides, reductor 4, handling frame 3 and hoisting frame 5.Relative Fig. 1 device, this structure has been cancelled a ring manipulation (liftings) frame of chimney inboard, and directly radiation beam 8 is placed on the handling frame 3 of the outside, and is inboard then with a common interior compensation steel form 17 replacement load track plates.This lifting platform device is mainly used in the building operations aspect of the less small-sized chimney of chimney breast radius.