CN107724670B - Frame side-top type internal climbing tower crane non-inverted beam climbing method based on top mold system - Google Patents
Frame side-top type internal climbing tower crane non-inverted beam climbing method based on top mold system Download PDFInfo
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- CN107724670B CN107724670B CN201711125252.7A CN201711125252A CN107724670B CN 107724670 B CN107724670 B CN 107724670B CN 201711125252 A CN201711125252 A CN 201711125252A CN 107724670 B CN107724670 B CN 107724670B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
- E04G11/28—Climbing forms, i.e. forms which are not in contact with the poured concrete during lifting from layer to layer and which are anchored in the hardened concrete
Abstract
The invention relates to a method for climbing a non-falling beam of a frame side-top type internal climbing tower crane based on a top die system, which comprises the following steps: the device comprises a tower crane, a climbing frame, a tower crane climbing oil cylinder, a tower crane upper beam, an auxiliary balance oil cylinder, a limiting and guiding device, a tower crane middle beam, a tower crane lower beam, a top mold upper beam, a top mold oil cylinder, a top mold lower beam, a stirrup and a hydraulic control system. The non-falling beam climbing method comprises the following steps: when the top mold is jacked, the balance of the tower crane is still, the upper beam of the top mold and the lower beam of the top mold climb in a step-changing manner to drive the upper beam of the tower crane and the middle beam of the tower crane to climb in a step-changing manner, and the climbing oil cylinder of the tower crane is lifted along with the upper beam of the top mold; the top die is motionless, and the tower crane is put the beams in and the tower crane motionless, removes the tower crane underbeam and is connected with major structure, and the tower crane hydro-cylinder that climbs is operated to the top die is the strong point jacking tower crane, and the tower crane underbeam promotes along with the tower body is synchronous. According to the invention, the tower crane supporting beam and the top formwork supporting beam are combined, so that the number of the supporting beams is reduced, the construction efficiency is improved, and the construction cost is reduced.
Description
Technical Field
The invention relates to the technical field of building construction machinery, in particular to a method for climbing a non-inverted beam of a frame side-top type internal climbing tower crane based on a top formwork system.
Background
At present, in the super high-rise construction technology, a top die is mature as an advanced construction technology, and more super high-rises are constructed by using the top die technology; and the perpendicular transportation tower crane in super high-rise often adopts the interior tower crane of climbing, and its mode of climbing mainly has frame side top formula and frame ladder formula, and its process of climbing all needs a supporting beam and climbs the aerial disintegration of frame, transports, installs to predetermined floor to realize climbing of tower crane, the transfer process is called "the roof beam" for short.
The operation of the inverted beam belongs to the operation in high altitude and narrow space, an operator generally needs to wear a safety belt to work in the air without reliable protection measures, the whole process has larger potential safety hazard, and safety accidents are easy to happen; need use other tower cranes cooperation handling at the in-process of transporting the roof beam backward, reduce tower crane utilization ratio and efficiency of construction, conventional inverted beam climbing on the whole has the potential safety hazard greatly, inefficiency, the big shortcoming of the quality control degree of difficulty etc..
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for climbing a non-inverted beam of a frame side-top type inner-climbing tower crane based on a top die system.
The technical problem to be solved by the invention is realized by the following technical scheme: a method for climbing a tower crane without falling beams on a frame side-top type internal climbing based on a top mold system is realized by a device, wherein the device comprises a tower crane, a climbing frame, a tower crane climbing oil cylinder, a tower crane upper beam, an auxiliary balance oil cylinder, a limiting and guiding device, a tower crane middle beam, a tower crane lower beam, a top mold upper beam, a top mold oil cylinder, a top mold lower beam, stirrups and a hydraulic control system; the tower crane upper beam, the tower crane middle beam and the tower crane lower beam are positioned at the periphery of the tower crane and are sequentially arranged along the height direction of the tower crane from top to bottom, the tower crane upper beam and the tower crane middle beam are respectively connected with the top mould upper beam and the top mould lower beam, the tower crane upper beam and the tower crane lower beam are respectively connected with the tower crane through a climbing frame, the peripheries of the tower crane upper beam and the tower crane lower beam are respectively connected with a limiting guide device, the balance oil cylinder and the top mould oil cylinder are respectively arranged at two opposite outer sides of the tower crane, the balance oil cylinder is connected with the tower crane upper beam through a base and extends out of the tower crane middle beam towards the tower crane lower beam, an outer sleeve of the balance oil cylinder is connected with the tower crane upper beam, the climbing oil cylinder is connected with the climbing frame of the top mould upper beam through a base, a piston rod of the tower crane climbing oil cylinder is connected with the tower crane positioned above the tower crane upper, the hydraulic control system is used for controlling the actions of the auxiliary oil cylinder, the top die oil cylinder and the limiting and guiding device;
the method comprises the following steps:
A) when the top die is jacked, the balance of the tower crane is kept still, a hydraulic control system is operated, the function of the limiting and guiding device is adjusted to be guiding, the upper beam of the top die and the lower beam of the top die climb in a step-changing manner to drive the upper beam of the tower crane and the middle beam of the tower crane to climb in a step-changing manner, and the climbing oil cylinder of the tower crane is lifted along with the upper beam of the top die;
B) the top mould is still, the upper beam of the tower crane and the middle beam of the tower crane are still, the lower beam of the tower crane is released from being connected with the main body structure, the tower crane climbing oil cylinder is operated, the tower crane is jacked by taking the upper beam of the top mould as a supporting point, and the lower beam of the tower crane is lifted synchronously along with the tower body;
C) and after the lower beam of the tower crane reaches the target position, the lower beam of the tower crane is connected to the main body structure, the function of the limiting guide device is adjusted to be limiting, and climbing at one time is completed.
In the scheme, the upper beam of the tower crane, the middle beam of the tower crane and the lower beam of the tower crane are all in a cross beam structure.
In the above scheme, eight limit guide device weld respectively in the tower crane upper beam outside, eight limit guide device weld respectively in the outside of tower crane underbeam.
In the scheme, a stirrup is further connected between the climbing frame and the upper beam or the lower beam of the tower crane.
In the scheme, the limiting and guiding device comprises a shell, a guide wheel, an automatic height-adjusting and aligning spring, an automatic height-adjusting and aligning sliding block, a locking hydraulic oil cylinder and a return spring, wherein the automatic height-adjusting and aligning spring, the automatic height-adjusting and aligning sliding block, the locking hydraulic oil cylinder return spring and the return spring are all located in the shell, the guide wheel is connected with the locking sliding block, and the locking sliding block is connected with the locking hydraulic oil cylinder so as to drive the guide wheel to extend out of or retract into the shell through the locking hydraulic oil cylinder.
In the above scheme, the housing is a rectangular cylinder structure, one end of the housing is provided with a cover plate, the other end of the housing is provided with an opening, and a cylinder barrel of the locking hydraulic oil cylinder penetrates through the cover plate of the housing and is fixedly connected with the cover plate of the housing.
In the above scheme, the automatic height-adjusting and aligning slide block is of a rectangular barrel structure with two open ends, is arranged in the shell and is abutted against the inner wall of the cover plate of the shell, the four inner walls of the automatic height-adjusting and aligning slide block are connected through partition plates, the telescopic rod of the locking hydraulic oil cylinder is connected with the partition plates, two inner walls opposite to the automatic height-adjusting and aligning slide block and two spaces formed by the outer wall of the cylinder barrel of the locking hydraulic oil cylinder are respectively provided with one return spring, and two ends of each return spring are respectively connected with the cover plate and the partition plate of the shell.
In the scheme, the locking slide block comprises four small slide blocks with rectangular tubular structures, one end of each small slide block is closed, the other end of each small slide block is open, one closed end of each small slide block is connected with one surface, far away from the locking hydraulic oil cylinder, of the partition plate, the four small slide blocks are connected through the locking plate, the outer side surface of the locking plate is flush with the end surfaces of the open ends of the four small slide blocks and the end surface, close to one end of the guide wheel, of the automatic height-adjusting and aligning slide block, the locking plate is connected with the partition plate through the support plate, and each small slide block is internally provided with the automatic height-adjusting and aligning spring and the guide.
In the scheme, each small sliding block is internally provided with a wheel carrier, each guide wheel carrier is of a rectangular tubular structure with two open ends, the inner walls of the wheel carriers are connected through a transverse plate to divide the wheel carriers into two spaces for respectively placing the automatic height-adjusting and aligning springs and connecting the guide wheels, and the two ends of each automatic height-adjusting and aligning spring are respectively abutted against the transverse plate and the closed end surfaces of the small sliding blocks to drive the wheel carriers to slide in the corresponding small sliding blocks, so that the guide wheels can be retracted relative to the inside and the outside of the shell.
In the above scheme, the end face of one end of the automatic height-adjusting and aligning sliding block, the small sliding block and the locking plate which are parallel and level is provided with the saw teeth. The method for climbing the non-inverted beam of the frame side-top type internal climbing tower crane based on the top die system has the following beneficial effects: combine together a tower crane supporting beam and a top mould supporting beam, reduced a supporting beam quantity, climb through not falling the roof beam, reduced the safety risk of climbing, reduce jacking time, reduce the jacking and drop into the manual work to improve the efficiency of construction, reduce construction cost.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural diagram of a front view of a non-inverted beam climbing method of a frame side-top type internal climbing tower crane based on a top mold system.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 1.
Fig. 4 is a sectional view taken along line C-C in fig. 1.
FIG. 5 is a schematic front view structure diagram of a limiting guide device in the non-inverted-beam climbing method of the frame side-top type inner-climbing tower crane based on the top die system.
Fig. 6 is a sectional view taken along line a-a of fig. 5.
Fig. 7 is a sectional view taken along line b-b of fig. 6.
Fig. 8 is a sectional view taken along line c-c of fig. 5.
Fig. 9 is a schematic top view structure diagram of a climbing frame in the method for climbing a non-inverted beam of a frame side-top type internal climbing tower crane based on a top mold system.
FIG. 10 is a schematic front view structure diagram of a stirrup in the non-inverted beam climbing method of the frame side-top type internal climbing tower crane based on the top formwork system.
FIG. 11 is a schematic structural diagram of a main view of a tower crane upper beam and a tower crane middle beam climbing along with a top mold in a method for climbing a non-inverted beam of a frame side-top type internal climbing tower crane based on a top mold system according to the invention;
FIG. 12 is a schematic front view structure diagram of non-inverted beam climbing of a tower crane in the method for climbing a non-inverted beam of a frame side-top type internal climbing tower crane based on a top die system.
Description of reference numerals: 1. tower crane; 2. climbing a frame; 3. a tower crane climbing oil cylinder; 4. an upper beam of the tower crane; 5. an auxiliary balance oil cylinder; 6. a limiting and guiding device; 7. a tower crane middle beam; 8. a lower beam of the tower crane; 9. putting the top die on a beam; 10. a top die oil cylinder; 11. a top die is put on the beam; 12. a stirrup; 13. automatically heightening and aligning the sliding block; 14. locking the sliding block; 141. a small slider; 142. a locking plate; 143. a support plate; 15. locking a hydraulic oil cylinder; 16. a return spring; 17. lifting lugs; 18. a partition plate; 19. a housing; 20. saw teeth; 21. a guide wheel; 22. automatically heightening and aligning the spring; 23. a wheel carrier; 24. a transverse plate.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
In the embodiment of the present invention, as shown in fig. 1 to 12, in the method for climbing non-falling beam of frame side-top type internal climbing tower crane based on top formwork system, the method is realized by a device comprising: the tower crane comprises a tower crane 1, a climbing frame 2, a tower crane climbing oil cylinder 3, a tower crane upper beam 4, an auxiliary balance oil cylinder 5, a limiting and guiding device 6, a tower crane middle beam 7, a tower crane lower beam 8, a top mould upper beam 9, a top mould oil cylinder 10, a top mould lower beam 11, a stirrup 12 and a hydraulic control system.
As shown in fig. 1 to 12, the upper tower crane beam 4, the middle tower crane beam 7 and the lower tower crane beam 8 are all located on the periphery of the tower crane 1 and are sequentially arranged from top to bottom along the height direction of the tower crane 1, the upper tower crane beam 4 and the middle tower crane beam 7 are respectively connected with the upper top die beam 9 and the lower top die beam 11, and the lower tower crane beam 11 is connected with the tower crane foundation section of the tower crane 1 through a pin shaft.
As shown in fig. 1 to 12, the tower crane upper beam 4 and the tower crane lower beam 8 are connected with the tower crane 1 through a climbing frame 2 respectively, the peripheries of the tower crane upper beam 4 and the tower crane lower beam 8 are all connected with a limiting guide device 6, the auxiliary balance oil cylinder 5 and the top mold oil cylinder 10 are respectively arranged on two relative outer sides of the tower crane 1, the auxiliary balance oil cylinder 5 is connected with the tower crane upper beam 4 through a base thereof, the tower crane middle beam 7 is extended towards the tower crane lower beam 8, an outer sleeve of the auxiliary balance oil cylinder 5 is connected with the tower crane middle beam 7, the tower crane climbing oil cylinder 3 is connected with the climbing frame 2 of the top mold upper beam 9 through a base thereof, and the tail end of a telescopic rod of the tower crane climbing oil cylinder 3 is connected with the tower crane 1.
The hydraulic control system is connected with the hydraulic stations of the auxiliary balance oil cylinder 5, the tower crane climbing oil cylinder 3 and the limiting guide device 6 through circuits, and controls the hydraulic stations of the auxiliary balance oil cylinder 5, the tower crane climbing oil cylinder 3 and the oil cylinders inside the limiting guide device 6 through remote signal transmission so as to achieve the purpose of controlling the auxiliary balance oil cylinder 5, the tower crane climbing oil cylinder 3 and the oil cylinders inside the limiting guide device 6 to contract and stretch outwards.
The method for climbing the non-falling beam of the internal climbing tower crane based on the device comprises the following steps:
1. when the top die is jacked, the balance of the tower crane 1 is motionless, a hydraulic control system is operated, the function of the limiting guide device 6 is adjusted to be guiding, the top die upper beam 9 and the top die lower beam 11 climb in a step-changing manner, the tower crane upper beam 4 and the tower crane middle beam 7 are driven to climb in a step-changing manner, and the tower crane climbing oil cylinder 3 is lifted along with the top die upper beam 9.
2. The top mould is motionless, and 7 roof beams are motionless in tower crane upper beam 4 and the tower crane, remove tower crane underbeam 8 and major structure and be connected, and operation tower crane climbing hydro-cylinder 3 uses top mould upper beam 9 as strong point jacking tower crane 1, and tower crane underbeam 8 promotes along with the tower body is synchronous.
3. After the tower crane lower beam 8 reaches the target position, the tower crane lower beam is connected to the main body structure, the function of the limiting guide device is adjusted to be limiting, and climbing once is completed.
In this embodiment, the tower crane upper beam 3, the tower crane middle beam 7 and the tower crane lower beam 8 are all in a cross beam structure. Eight limiting guide devices 6 are welded respectively in the outside of the upper beam 4 of the tower crane, and eight limiting guide devices 6 are welded respectively in the outside of the lower beam 8 of the tower crane.
In this embodiment, a stirrup 12 is further connected between the climbing frame 2 and the upper beam 4 or the lower beam 7 of the tower crane.
As shown in figure 1, under 1 operating mode of tower crane, the vertical load of tower crane is born by tower crane underbeam 8, and the horizontal load of tower crane is born by tower crane underbeam 3, top mould underbeam 9 and tower crane underbeam 8, top mould underbeam 11, transmits to the major structure through spacing guider 6, and spacing guider 6 extrudes and bears the horizontal force on the major structure, and the function is spacing.
As shown in fig. 11 and 12, under the tower crane 1 working condition that climbs, the vertical load of tower crane loops through tower crane climbing hydro-cylinder 3, frame 2 that climbs and transmits to top mould entablature 9, and the tower crane horizontal load is born by tower crane entablature 3, top mould entablature 9 and tower crane underbeam 8, top mould underbeam 11, transmits to the major structure through spacing guider 6, and spacing guider 6 rolls the direction on the major structure, and the function is the direction.
In this embodiment, as shown in fig. 5 to 8, the limiting and guiding device includes a housing 19, a guide wheel 21, an automatic height-adjusting and aligning spring 22, an automatic height-adjusting and aligning slider 13, a locking slider 14, a locking hydraulic cylinder 15 and a return spring 16, the automatic height-adjusting and aligning spring 22, the automatic height-adjusting and aligning slider 13, the locking hydraulic cylinder 15 and the return spring 16 are all located inside the housing 19, the guide wheel 21 is connected with the locking slider 14, and the locking slider 14 is connected with the locking hydraulic cylinder 15, so that the guide wheel 21 is driven by the locking hydraulic cylinder 15 to extend out of or retract into the housing 19. The guide wheel 21 and the locking slide block 14 can slide along with the automatic height-adjusting alignment slide block 13 under the action of the locking hydraulic oil cylinder 15, and the locking hydraulic oil cylinder 15 provides power for the whole device.
In this embodiment, with reference to fig. 6 to 8, the housing 19 is a rectangular cylinder structure, one end of which is provided with a cover plate, and the other end of which is open, and the cylinder of the locking hydraulic cylinder 15 passes through the cover plate of the housing 19 and is fixedly connected with the cover plate of the housing 19.
In this embodiment, with reference to fig. 6 to 8, the automatic height-adjusting and aligning slider 13 is a rectangular cylinder structure, and has two open ends, the automatic height-adjusting and aligning slider 13 is disposed in the casing 19, and one end of the cover plate close to the casing 19 can abut against the inner wall of the cover plate, the four inner walls of the automatic height-adjusting and aligning slider 13 are connected through the partition plate 18, the telescopic rod of the locking hydraulic cylinder 15 is connected with the partition plate 18, so as to drive the automatic height-adjusting and aligning slider 13 to slide along the inner wall of the casing 19 through the partition plate 18, two inner walls opposite to the automatic height-adjusting and aligning slider 13 and two spaces respectively formed by the outer walls of the cylinder of the locking hydraulic cylinder 15 are respectively provided with a return spring 16, and two ends of the return spring 16 are respectively connected with the cover plate of.
In this embodiment, with reference to fig. 8, the locking slider 14 includes four small sliders 141 having a rectangular tubular structure, one end of each small slider 141 is closed, the other end of each small slider 141 is open, the closed end of each small slider 141 is connected to a side of the partition 18 away from the locking hydraulic cylinder 15, an outer wall of each small slider 141 is attached to an inner wall of the automatic height-adjusting and aligning slider 13, the four small sliders 141 are connected to each other through a locking plate 142, an outer side surface of each locking plate 142 is flush with end surfaces of the open ends of the four small sliders 141 and an end surface of one end of the automatic height-adjusting and aligning slider 13 close to the guide wheel 21, the locking plate 142 is connected to the partition 18 through a supporting plate 143, and each small slider 141 is internally provided with an automatic height-adjusting and aligning spring.
In this embodiment, as shown in fig. 7, each small slider 141 is provided with a wheel frame 23, the wheel frame 23 is a rectangular tubular structure with two open ends, the inner wall of the wheel frame 23 is connected through a horizontal plate 24 to divide the wheel frame 23 into two spaces for respectively placing the automatic height-adjusting and aligning spring 22 and the connecting guide wheel 21, two ends of the automatic height-adjusting and aligning spring 22 are respectively abutted to the horizontal plate 24 and the closed end face of the small slider 141, the outer wall of the wheel frame 23 is not in contact with the inner wall of the small slider 141, and is movably connected in the small slider 141 through the automatic height-adjusting and aligning spring 22, so as to enable the guide wheel 21 to be retracted inward and outward relative to the housing 19.
In this embodiment, with reference to fig. 6, the end surface of the end of the automatic height-adjusting and aligning slider 13, the end surface of the end of the small slider 141, and the end surface of the end of the locking plate 142, which are flush with each other, are provided with the saw teeth 20, so as to better lock the creeping surface.
In this embodiment, the outer side surface of the cover plate of the housing 19 is provided with a plurality of hanging rings 17, which facilitates the lifting and loading and unloading of the device.
The working principle of the limiting and guiding device of the internal climbing tower crane is as follows: when the internal climbing tower crane is under the working condition, the locking hydraulic oil cylinder 15 applies constant pressure to the partition plate 18 to compress the partition plate 18, so that the automatic height-adjusting and aligning spring 22 is compressed, the automatic height-adjusting and aligning spring 22 drives the wheel carrier 23, the small slide block 142 and the automatic height-adjusting and aligning slide block 13 to slide through the transverse plate 24, therefore, the guide wheel 21 is retracted into the shell 19, and the locking slide block 14 slides outwards, extrudes and is occluded on the wall surface to provide constant counter force for the internal climbing tower crane; when the internal climbing tower crane is in a climbing working condition, the locking hydraulic oil cylinder 15 is properly decompressed and set to have a constant pressure, the locking slide block 14 is separated from the wall surface under the action of the return spring 16, and the guide wheel 21 contacts the wall surface under the action of the automatic height-adjusting and aligning spring 22 and rolls along with the climbing of the tower crane. When the wall surface is uneven, the aligning spring 22 automatically contracts or extends to be leveled through automatic height adjustment, so that the guide wheel 21 always contacts the wall surface and provides certain counter force.
In this embodiment, as shown in fig. 9, the cross section of the climbing frame 2 is a rectangular frame structure, the tower crane 1 is connected with the tower crane beam through the stirrup 12, and the tower crane 1 is tightly contacted with the climbing frame 2 through the built-in wedge block, so as to realize load transmission.
In this embodiment, as shown in FIG. 10, stirrup 12 is comprised of a plurality of plate structures.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A construction method of a frame side-top type internal climbing tower crane non-inverted beam based on a top formwork system is characterized in that the construction method is realized based on a device,
the device comprises a tower crane, a climbing frame, a tower crane climbing oil cylinder, a tower crane upper beam, an auxiliary balance oil cylinder, a limiting and guiding device, a tower crane middle beam, a tower crane lower beam, a top mold upper beam, a top mold oil cylinder, a top mold lower beam, a stirrup and a hydraulic control system; the tower crane upper beam, the tower crane middle beam and the tower crane lower beam are positioned at the periphery of the tower crane and are sequentially arranged along the height direction of the tower crane from top to bottom, the tower crane upper beam and the tower crane middle beam are respectively connected with the top mould upper beam and the top mould lower beam, the tower crane upper beam and the tower crane lower beam are respectively connected with the tower crane through a climbing frame, the peripheries of the tower crane upper beam and the tower crane lower beam are respectively connected with a limiting guide device, the auxiliary balance oil cylinder and the top mould oil cylinder are respectively arranged at two opposite outer sides of the tower crane, the auxiliary balance oil cylinder is connected with the tower crane upper beam through a base thereof and extends out of the tower crane middle beam towards the tower crane lower beam, an outer sleeve of the auxiliary balance oil cylinder is connected with the tower crane upper beam, the tower crane climbing oil cylinder is connected with the climbing frame of the top mould upper beam through a base thereof, a piston rod of the tower crane climbing oil cylinder is connected with the tower crane upper beam, the hydraulic control system is used for controlling the actions of the auxiliary balance oil cylinder, the top die oil cylinder and the limiting and guiding device;
the method comprises the following steps:
A) when the top die is jacked, the balance of the tower crane is kept still, a hydraulic control system is operated, the function of the limiting and guiding device is adjusted to be guiding, the upper beam of the top die and the lower beam of the top die climb in a step-changing manner to drive the upper beam of the tower crane and the middle beam of the tower crane to climb in a step-changing manner, and the climbing oil cylinder of the tower crane is lifted along with the upper beam of the top die;
B) the top mould is still, the upper beam of the tower crane and the middle beam of the tower crane are still, the lower beam of the tower crane is released from being connected with the main body structure, the tower crane climbing oil cylinder is operated, the tower crane is jacked by taking the upper beam of the top mould as a supporting point, and the lower beam of the tower crane is lifted synchronously along with the tower body;
C) and after the lower beam of the tower crane reaches the target position, the lower beam of the tower crane is connected to the main body structure, the function of the limiting guide device is adjusted to be limiting, and climbing at one time is completed.
2. The construction method of the non-inverted beam of the frame side-top type internal climbing tower crane based on the top formwork system according to claim 1, wherein the upper beam of the tower crane, the middle beam of the tower crane and the lower beam of the tower crane are all in a cross beam structure.
3. The construction method of the non-inverted beam of the tower crane based on the top formwork system comprises the following steps of welding eight limiting guide devices to the outer side of an upper beam of the tower crane respectively, and welding eight limiting guide devices to the outer side of a lower beam of the tower crane respectively.
4. The construction method for the non-inverted beam of the frame side-top type internal climbing tower crane based on the top formwork system according to claim 1, wherein a stirrup is further connected between the climbing frame and an upper beam or a lower beam of the tower crane.
5. The construction method for the non-inverted beam of the frame side-jacking type inner-climbing tower crane based on the top formwork system is characterized in that the limiting and guiding device comprises a shell, a guide wheel, an automatic height-adjusting and aligning spring, an automatic height-adjusting and aligning slide block, a locking hydraulic oil cylinder and a return spring, the automatic height-adjusting and aligning slide block, the locking hydraulic oil cylinder return spring and the return spring are all located in the shell, the guide wheel is connected with the locking slide block, and the locking slide block is connected with the locking hydraulic oil cylinder so as to drive the guide wheel to extend out of or retract into the shell through the locking hydraulic oil cylinder.
6. The construction method of the non-inverted beam of the frame side-jacking type inner-climbing tower crane based on the top formwork system as claimed in claim 5, wherein the shell is of a rectangular cylinder structure, a cover plate is arranged at one end of the shell, an opening is formed in the other end of the shell, and a cylinder barrel of the locking hydraulic oil cylinder penetrates through the cover plate of the shell and is fixedly connected with the cover plate of the shell.
7. The construction method of the non-inverted beam of the frame side-top type internal climbing tower crane based on the top formwork system is characterized in that the automatic height-adjusting and aligning slide block is of a rectangular cylinder structure with two open ends, is arranged in the shell and is abutted against the inner wall of the cover plate of the shell, four inner walls of the automatic height-adjusting and aligning slide block are connected through a partition plate, an expansion rod of the locking hydraulic oil cylinder is connected with the partition plate, two inner walls opposite to the automatic height-adjusting and aligning slide block and two spaces formed by the outer wall of a cylinder barrel of the locking hydraulic oil cylinder are respectively provided with one return spring, and two ends of each return spring are respectively connected with the cover plate and the partition plate of the shell.
8. The construction method of the non-inverted beam of the frame side-top type internal climbing tower crane based on the top formwork system according to claim 7, wherein the locking slide blocks comprise four small slide blocks with rectangular tubular structures, one ends of the small slide blocks are closed, the other ends of the small slide blocks are open, the closed ends of the small slide blocks are connected with one surface, away from the locking hydraulic oil cylinder, of the partition plate, the four small slide blocks are connected through locking plates, the outer side surfaces of the locking plates are flush with the end surfaces of the open ends of the four small slide blocks and the end surface, close to the guide wheel, of the automatic height-adjusting and aligning slide block, the locking plates are connected with the partition plate through supporting plates, and the automatic height-adjusting and aligning springs and the guide wheel are arranged in each small slide block.
9. The construction method of the non-inverted beam of the frame side-top type internal climbing tower crane based on the top formwork system according to claim 8 is characterized in that each small sliding block is internally provided with a wheel carrier, the wheel carriers are of rectangular tubular structures with openings at two ends, the inner walls of the wheel carriers are connected through a transverse plate, so that the wheel carriers are divided into two spaces for placing the automatic height-adjusting and aligning springs and connecting the guide wheels respectively, two ends of the automatic height-adjusting and aligning springs are abutted to the closed end surfaces of the transverse plate and the small sliding blocks respectively to drive the wheel carriers to slide in the corresponding small sliding blocks, and the guide wheels are retracted relative to the inside and outside of the shell.
10. The construction method of the non-inverted beam of the frame side-top type inner-climbing tower crane based on the top formwork system as claimed in claim 8, wherein the end face of one end of the automatic height-adjusting and aligning slide block, the small slide block and the locking plate which are flush is provided with sawteeth.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711125252.7A CN107724670B (en) | 2017-11-14 | 2017-11-14 | Frame side-top type internal climbing tower crane non-inverted beam climbing method based on top mold system |
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| CN111058618B (en) * | 2019-12-27 | 2021-06-11 | 上海建工集团股份有限公司 | Combined type telescopic sleeve jacking device and method thereof |
| CN111285267B (en) * | 2020-02-18 | 2021-07-13 | 上海建工四建集团有限公司 | Monitoring and adjusting system for climbing beam of swing arm tower crane |
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| CN103818835B (en) * | 2014-02-26 | 2015-08-19 | 中联重科股份有限公司 | Jacking apparatus, control method and tower crane is climbed in tower crane |
| CN203794505U (en) * | 2014-03-31 | 2014-08-27 | 广东庞源工程机械有限公司 | Internal climbing steel beam conveying device of internal climbing movable arm tower crane |
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