CN110863649B - Lightweight hydraulic jacking formwork system for super high-rise construction - Google Patents
Lightweight hydraulic jacking formwork system for super high-rise construction Download PDFInfo
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- CN110863649B CN110863649B CN201911252450.9A CN201911252450A CN110863649B CN 110863649 B CN110863649 B CN 110863649B CN 201911252450 A CN201911252450 A CN 201911252450A CN 110863649 B CN110863649 B CN 110863649B
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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
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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
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Abstract
The invention relates to a hydraulic jacking formwork system for lightweight super high-rise construction, which comprises a main truss, a formwork suspension device, a formwork, an inner hanging frame, an outer hanging frame, a control system and a jacking device, wherein truss supporting legs are fixedly arranged below the main truss; the template suspension device is connected to the main truss and can horizontally move in the extending direction of the main truss; the template is fixed on the template suspension device; the inner and outer hanging frames are hung on the main truss and can be adjusted in the extending direction of the main truss; the control system comprises a control panel; the jacking device comprises a main upright post capable of stretching up and down, the main upright post comprises an inner pipe and an outer pipe, and the inner pipe is arranged in the outer pipe; the top of the inner pipe is vertically and fixedly connected with a truss, the upper part of the outer pipe is vertically and fixedly provided with a supporting leg truss, the outer pipe is positioned in the middle of the supporting leg truss in the extension direction of the supporting leg truss, and the end part, far away from the outer pipe, of the supporting leg truss is fixedly provided with a telescopic jacking supporting leg; the lower end of the outer pipe is vertically fixed with a guide leg.
Description
Technical Field
The invention belongs to the technical field of building tools, and particularly relates to a lightweight hydraulic jacking formwork system for super high-rise construction.
Background
The urban construction land is used as a main place and a key element for developing and utilizing land resources to carry out social and economic activities by human beings, and along with the development of economy, the growth of population and the continuous acceleration of the urbanization process, the demands of various social and economic activities on the urban construction land are increased day by day, and the process of expanding the urban construction land is inevitably promoted. The expansion of construction land is a necessary result of economic development, however, it necessarily causes a series of problems such as loss of cultivated land, influence of ecological environment, etc., and thus the expansion of construction land has become a focus of attention of government departments and academia.
In order to save urban construction land, and with the continuous development of the building industry, high-rise buildings, even super high-rise buildings, are more and more common. Although the super high-rise building can save urban construction land, the construction safety and the building safety of the super high-rise building are always the priority in the construction process. In a super high-rise building, the construction of a core tube is always a key point and a difficult point, the existing super high-rise construction technology is a construction method for vertical transportation and material turnover through a tower crane, and the construction method has the defects that the vertical transportation efficiency and the material turnover efficiency are low, and the construction efficiency of the super high-rise building is seriously influenced.
Disclosure of Invention
In view of the above, the invention aims to provide a lightweight hydraulic jacking formwork system for super high-rise construction, so as to solve the problems of low efficiency in vertical transportation and material turnover by using a tower crane in the prior art.
In order to achieve the purpose, the technical scheme adopted by the hydraulic jacking formwork system for lightweight super high-rise construction is as follows:
the utility model provides a lightweight super high-rise construction hydraulic pressure jacking die carrier system, includes:
truss: the truss structure comprises a main truss and a secondary truss, wherein the main truss and the secondary truss are fixedly connected in a criss-cross mode, a working platform is arranged at the upper part of the truss and used for placing building materials and building tools, truss support legs are fixedly arranged below the main truss, and the truss support legs can stretch in the vertical direction;
template linkage: the horizontal movement can be realized in the extending direction of the main truss by connecting the horizontal movement mechanism to the main truss;
template: the template suspension device is fixed on the template suspension device, and the adjustment can be realized in the extending direction of the main truss through the template suspension device;
inner and outer hanging rack: the inner hanging frame and the outer hanging frame are channels between connecting layers and also channels for connecting the top of the wall and the working platform;
the control system comprises: the lifting mode of the jacking formwork system is controlled by the control panel;
jacking device: the device comprises a main upright post capable of stretching up and down, wherein the main upright post comprises an inner pipe and an outer pipe which can stretch relatively, and the inner pipe is arranged in the outer pipe; the top of the inner pipe is vertically and fixedly connected with a truss, the upper part of the outer pipe is vertically and fixedly provided with a supporting leg truss, the outer pipe is positioned in the middle of the supporting leg truss in the extension direction of the supporting leg truss, the end part, far away from the outer pipe, of the supporting leg truss is fixedly provided with a telescopic jacking supporting leg, and the jacking supporting leg is supported on the top of a wall when in an extending state; the lower end of the outer pipe is vertically fixed with a guide leg which is used for supporting and straightening the main upright post on a wall body.
The beneficial effects of the above technical scheme are: after the lower concrete is poured, steel bars are bound, then a template on the upper portion of the jacking supporting leg is detached, then the jacking supporting leg upwards climbs, after the jacking supporting leg is in place, the main upright post is supported on a poured wall top with certain structural strength through the jacking supporting leg on the supporting leg truss, then the template is disassembled, the jacking, the die assembly and the concrete pouring are carried out, the construction of a vertical reinforced concrete structure is completed, then the same process is repeated when the main upright post self-climbs, the truss support is jacked on the wall top through the truss supporting leg, and the jacking supporting leg upwards climbs through stretching, so that the vertical transportation efficiency and the material turnover efficiency are improved.
Further, the end of roof pressure landing leg sets to opening column structure, and is concrete, and the end includes the connecting plate with roof pressure landing leg fixed connection and along the pinion rack of the even interval setting of connecting plate extending direction, and the pinion rack sets up with the connecting plate is perpendicular.
Has the advantages that: the reinforcing steel bars in the wall body can be avoided, so that the connection of the upper reinforcing steel bar and the lower reinforcing steel bar can be realized, and the operation of binding the reinforcing steel bars is convenient.
Furthermore, the connecting plate of the end and the toothed plate are integrally arranged.
Has the advantages that: the structural strength of the tip is increased.
Further, add the backing steel sheet between end and the wall crown, the steel sheet is the E font, including first board section and the second board section of setting perpendicularly with first board section, the second board section is provided with two at least, and the even interval arrangement of direction that the second board section extends along first board section, and the projected area of second board section on the wall crown is greater than the projected area of pinion rack on the wall crown.
Has the advantages that: the sufficient supporting contact area between the end of the supporting leg and the wall top is ensured, and the supporting stability of the supporting leg is improved.
The inner tube is the interior square tube, the outer tube is the outside pipe, the guide leg is provided with four, and four guide legs extend along the direction of the four sides of perpendicular to the outside pipe.
Has the advantages that: on one hand, the inner pipe and the outer pipe are square pipes, so that the structural strength of the main upright post can be improved, and the influence of transverse wind load on the main upright post is overcome; on the other hand, the inner pipe and the outer pipe are both square pipes, so that the guide legs are convenient to install.
Furthermore, one end of each guide leg, which is far away from the outer square tube, is fixedly provided with a telescopic guide head.
Has the advantages that: on the one hand, after the self-climbing is completed, the guide legs can be tightly propped against the wall body through the extension of the guide heads, so that the main upright post is supported, guided and straightened, and the main upright post is prevented from deflecting to influence the support of the main truss. On the other hand, the guide head can be retracted in the self-climbing process, so that the influence on the self-climbing of the main upright post caused by the fact that the guide head is always in frictional contact with the wall body in the self-climbing process is avoided.
Furthermore, a first hydraulic cylinder is fixedly arranged in the main upright post, a piston rod of the first hydraulic cylinder is a solid rod, a second hydraulic cylinder is arranged in the jacking supporting leg, and a third hydraulic cylinder is arranged in the guiding leg.
Has the advantages that: the main upright post is ensured to have larger jacking force when being stretched.
The top of inner tube is fixed to be provided with the top and holds in the palm, and the top holds in the palm to be U font structure, including fixing the diapire on inner tube top and the both sides wall that the perpendicular to diapire set up, both sides wall and diapire enclose into the chamber that holds the main truss floorbar.
Has the advantages that: not only conveniently realize the fixed connection between outer tube and the main truss, but also increased the stability that the outer tube supported the main truss.
The supporting leg truss is fixedly provided with a guide truss, a guide cylinder is fixedly arranged on a main truss, the upper end of the guide truss penetrates out of the guide cylinder, pin shaft holes are formed in the left side wall and the right side wall of the guide cylinder in a relatively opened mode, the pin shaft holes are arranged in the upper direction and the lower direction at intervals, pin shafts capable of being pulled out are arranged in the pin shaft holes, after the jacking device finishes self-climbing, the pin shafts are arranged in the pin shaft holes in a penetrating mode, and the main truss and the supporting leg truss are fixed relatively.
Has the advantages that: after the jacking device finishes self-climbing, the pin shaft is penetrated and installed in the pin shaft hole of the guide cylinder, so that relative fixation between the main truss and the supporting leg truss is realized, and thus when the pressure relief of the first hydraulic cylinder in the main upright post is realized, the main truss can be guaranteed not to fall down, and the use safety of the hydraulic jacking formwork system is guaranteed.
The jacking leg comprises a telescopic outer pipe and a telescopic inner pipe arranged in the telescopic outer pipe, and the telescopic outer pipe and the telescopic inner pipe of the jacking leg are both rectangular steel pipes.
Has the advantages that: the supporting strength of the jacking supporting leg is increased.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a hydraulic jacking formwork system for lightweight super high-rise construction in the invention;
fig. 2 is a schematic structural diagram of a jacking device in the hydraulic jacking formwork system for lightweight super high-rise construction in fig. 1;
FIG. 3 is a schematic structural view of a leg truss in the jacking device of FIG. 2;
FIG. 4 is a schematic view of the leg truss supported on the top of the wall;
FIG. 5 is a schematic structural view of the ends of the leg truss;
FIG. 6 is a schematic structural view of a steel plate cushioned between the ends of the leg truss and the wall top;
fig. 7-17 are working process diagrams of the hydraulic jacking formwork system for lightweight super high-rise construction in standard-rise jacking construction;
fig. 18 is a schematic structural diagram of a second embodiment of the hydraulic jacking formwork system for lightweight super high-rise construction.
Reference numerals: 1-a main truss; 2-a working platform; 3-inner square tube; 4-outer square tube; 5-a leg truss; 6-a guide leg; 7-truss legs; 8-jacking; 9-a pylon; 10-inner hanger; 11-a template; 12-a wall body; 13-a guide head; 14-top pressure supporting legs; 15-a connecting plate; 16-toothed plate; 17-a steel plate; 18-a second plate section; 19-a guide cylinder; and 20, guiding a truss.
Detailed Description
The first embodiment of the hydraulic jacking formwork system for lightweight super high-rise construction according to the present invention is further described in detail with reference to the accompanying drawings and the following detailed description:
as shown in fig. 1, the hydraulic jacking formwork system comprises a truss, a formwork suspension device, a formwork 11, an inner hanger 10, an outer hanger 9, a control system and a jacking device. Specifically, the truss is formed by fixing a main truss 1 and a secondary truss in a criss-cross mode into a grid-shaped steel frame structure (not shown in the figure), a working platform 2 is arranged on the upper portion of the steel truss, the working platform 2 is used for placing building materials and building tools, and guardrails (not shown in the figure) are arranged on the periphery of the working platform 2 and used for guaranteeing personal safety of workers on the working platform 2. In the invention, the jacking device is fixedly connected with the main truss 1 in the steel truss, and the jacking device jacks the main truss 1 to realize the lifting of the steel truss. The truss supporting legs 7 are arranged below the main truss 1, the telescopic hydraulic cylinders are arranged in the truss supporting legs 7, and the telescopic hydraulic cylinders can stretch out and draw back in the up-down direction so as to be supported on the top of the wall through the truss supporting legs 7 when the jacking device self-climbs.
The main truss 1 is connected with a formwork suspension device, and the formwork suspension device can realize adjustment in the extending direction of the main truss 1, wherein the main truss 1 extends in the left-right direction in the embodiment. The template 11 is fixedly arranged on the template suspension device, and the template 11 can be adjusted in the extending direction of the main truss 1 through the template suspension device. An inner hanging rack 10 and an outer hanging rack 9 are further hung below the main truss 1, the inner hanging rack 10 and the outer hanging rack 9 are respectively located on the left side and the right side of the wall body 12, and the inner hanging rack 10 and the outer hanging rack 9 can be adjusted in the extending direction of the main truss 1. The inner hanging rack 10 and the outer hanging rack 9 are connected with the channel between the layers and are also connected with the top of the wall and the working platform 2.
The jacking device is fixedly arranged below the main truss 1, and as shown in fig. 2, the jacking device comprises a main upright post capable of stretching up and down, the main upright post comprises an inner pipe and an outer pipe capable of stretching relatively, and the inner pipe is arranged in the outer pipe; the top and the perpendicular fixed connection of truss of inner tube, the upper portion vertical fixation of outer tube has landing leg truss 5, as shown in fig. 3, the outer tube is located the middle part of landing leg truss 5 on 5 extending direction of landing leg truss, the end fixing of keeping away from the outer tube of landing leg truss 5 is provided with telescopic roof pressure landing leg 14, in this embodiment, landing leg truss 5 extends along left right direction, and the inner tube is interior square pipe 3, the outer tube is outer square pipe 4, the roof pressure landing leg includes flexible outer tube and the flexible inner tube of setting in flexible outer tube, the flexible outer tube and the flexible inner tube of roof pressure landing leg 14 all adopt the rectangle steel pipe.
The ends of the press legs 14 press against the wall top when the press legs 14 are in the extended position. As shown in fig. 4, in order to avoid the reinforcing steel bars in the wall body 12, the connection of the upper and lower reinforcing steel bars is realized and the operation of binding the reinforcing steel bars is convenient, the end of the jacking leg support 14 is set to be a notch-shaped structure, concretely, as shown in fig. 5, the end comprises a connecting plate 15 fixedly connected with the jacking leg support 14 and toothed plates 16 uniformly arranged at intervals along the extending direction of the connecting plate 15, the toothed plates 16 are perpendicular to the connecting plate 15, and in order to increase the structural strength difficulty of the end, the connecting plate 15 of the end and the toothed plates 16 are integrally arranged. In order to ensure that sufficient supporting contact area exists between the end of the support leg and the wall top and the stability of supporting the support leg 14 is improved, a cushion steel plate 17 is additionally arranged between the end and the wall top, as shown in fig. 6, the steel plate 17 is in an E shape and comprises a first plate section and a second plate section 18 vertically arranged with the first plate section, at least two second plate sections 18 are arranged, the second plate sections 18 are uniformly arranged at intervals along the extending direction of the first plate section, and the projection area of the second plate sections 18 on the wall top is larger than the projection area of the toothed plate 16 on the wall top.
The lower end of the outer square pipe 4 is vertically fixed with a guide leg 6, and the guide leg 6 is used for supporting, guiding and straightening the main upright post on the wall body 12. The four guide legs 6 are provided, and the four guide legs 6 are respectively fixed to four side surfaces of the outer square pipe 4 and respectively extend in a direction perpendicular to the four side surfaces of the outer square pipe 4. The fixed telescopic direction head 13 that is provided with of the one end of keeping away from outer pipe 4 of guide leg 6, the benefit that sets up like this has: on one hand, after the self-climbing is completed, the guide legs 6 can be tightly propped against the wall body 12 through the extension of the guide heads 13, so that the main upright posts are supported, guided and straightened, and the main upright posts are prevented from deflecting to influence the support of the main truss 1. On the other hand, the guide head 13 can be retracted in the self-climbing process, so that the influence on the self-climbing of the main upright column caused by the friction contact between the guide head 13 and the wall body 12 in the self-climbing process is avoided.
The fixed top that is provided with of interior square pipe 3 holds in the palm 8, and the top holds in the palm 8 and is the U font structure, including the diapire on fixed 3 tops of interior square pipe and the both sides wall that the perpendicular to diapire set up, both sides wall and diapire enclose into the chamber that holds the 1 floorbar of main truss, and interior square pipe 3 realizes fixed connection through top support 8 and main truss 1.
The hydraulic jacking formwork system further comprises a control system, the control system comprises a control panel, the control panel controls the lifting mode of the jacking formwork system, in the embodiment, a first hydraulic cylinder is fixedly arranged in the main upright column and provided with a hydraulic oil tank, a control valve and an electric control system, a piston rod of the first hydraulic cylinder is a solid rod, and the extension and retraction of the main upright column are realized through the first hydraulic cylinder; be provided with the second pneumatic cylinder in the landing leg, realize the flexible of landing leg through the second pneumatic cylinder, be provided with the third pneumatic cylinder in the guide leg 6, realize the flexible of guide leg 6 through the third pneumatic cylinder.
The process of jacking construction of the hydraulic jacking formwork system on the standard layer is shown in fig. 7 to 17, specifically, fig. 7 is in an original state, namely after the lower layer of concrete is poured, a stirrup is pressed on a reinforcement head; binding the steel bars as shown in fig. 8, removing the template 11 after waiting for the lower concrete to reach the strength when binding the steel bars, temporarily fixing the removed template 11, connecting long vertical steel bars, completing 2100mm transverse bars and stirrups at the lower part of the truss, and forbidding to remove the template 11 before finishing binding the vertical steel bars; the leg upper formwork 11 is removed as shown in fig. 9: dismantling the upper template 11 of the main upright post, moving to a position which does not hinder the climbing of the jacking device, preparing climbing for a climbing clearing path of the jacking device, and at the moment, lowering the truss supporting legs 7 to enable the truss supporting legs 7 to be supported on the top of the wall; as shown in fig. 10, the main column ascends by 4200mm, namely, the guide head 13 of the guide leg and the end of the jacking leg 14 are retracted, and the main column carries the leg truss 5 and the guide leg and ascends by 4200mm at the same time; as shown in fig. 11, the jacking leg 14 is extended out, the end of the jacking leg 14 falls on a steel plate 17 which is pre-arranged on the top of the wall, and the guide leg is extended out and jacked on the wall 12; as shown in fig. 12, the formwork 11 attached to the wall 12 is removed, the formwork 11 is moved outward by 300mm by using a formwork 11 suspension device, the cleaning work of the formwork 11 is carried out, and the truss support legs 7 are retracted; as shown in fig. 13, the main truss 1 is jacked, the first hydraulic cylinder in the main upright post is jacked for 2400mm, so that the main truss 1 and the template 11 synchronously rise for 2400 mm; as shown in fig. 14, binding the steel bars, and binding the residual 2100mm transverse bars and stirrups at the lower parts of the steel bars; as shown in fig. 15, the main truss 1 is jacked, the first hydraulic cylinder jacks 1800mm, and the template 11 rises synchronously with the main truss 1 in the jacking process; as shown in fig. 16, closing the mold, moving the mold plate 11 inward by 300mm by using a mold plate suspension device, positioning, straightening and fixing the mold plate 11, and taking measures for preventing slurry leakage at the bottom; as shown in fig. 17, concrete is poured to the top, and the steel plate is embedded in the top press leg 14 before the concrete is initially set. And the hydraulic jacking formwork system completes a complete climbing process.
In the jacking construction process of the hydraulic jacking formwork system on the standard layer, the jacking speed of the main truss 1 is 0.3m/min, and the self-climbing speed of the jacking supporting legs 14 and the guide legs 6 is 1 m/mim.
Fig. 18 shows a second embodiment of the hydraulic jacking formwork system for lightweight super high-rise construction, which is different from the first embodiment in that a guide truss 20 is fixedly arranged on a support truss, a guide cylinder 19 is fixedly arranged on a main truss, the upper end of the guide truss 20 penetrates out of the guide cylinder 19, pin shaft holes are oppositely formed in the left side wall and the right side wall of the guide cylinder 19, the pin shaft holes are arranged at intervals in the vertical direction, pin shafts capable of being pulled out are arranged in the pin shaft holes, and after the jacking device finishes self-climbing, the pin shafts are inserted in the pin shaft holes to realize the relative fixation between the main truss and the support truss, so that the second embodiment has the advantages that: when the first hydraulic cylinder in the main upright post is decompressed, the main truss can be ensured not to fall down, and the use safety of the hydraulic jacking formwork system is guaranteed.
In the above embodiment, the end of the jacking leg is provided with a notch-shaped structure, specifically, the end includes a connecting plate fixedly connected with the jacking leg and toothed plates uniformly arranged at intervals along the extending direction of the connecting plate, and the toothed plates are perpendicular to the connecting plate; in other embodiments, the end of the jacking leg may not be provided with a notch structure, and at this time, the jacking position of the jacking leg is not connected by a vertical steel bar.
In the above embodiment, the connecting plate of the end head and the toothed plate are integrally arranged, and in other embodiments, the connecting plate of the end head and the toothed plate can also be welded together.
In the above embodiment, a cushion steel plate is added between the end and the wall top, the steel plate is E-shaped and includes a first plate section and a second plate section perpendicular to the first plate section, at least two second plate sections are provided, the second plate sections are uniformly arranged at intervals along the extending direction of the first plate section, and the projection area of the second plate section on the wall top is larger than the projection area of the toothed plate on the wall top; in other embodiments, no steel backing plate may be added between the end head and the wall top, and the width of the toothed plate in the end head should be increased to increase the contact area between the end head and the wall top.
In the above embodiment, the inner pipe is an inner square pipe, the outer pipe is an outer square pipe, four guide legs are provided, and the four guide legs extend in a direction perpendicular to four side surfaces of the outer square pipe; in other embodiments, the inner pipe can also be a round pipe, the outer pipe can also be a round pipe, and two or three guide legs can also be arranged.
In the above embodiment, a telescopic guide head is fixedly arranged at one end of the guide leg far away from the outer square tube; in other embodiments, the guiding head may not be of a telescopic structure, and a small space between the guiding leg and the wall body should be ensured.
In the above embodiment, a first hydraulic cylinder is fixedly arranged in the main upright column, a piston rod of the first hydraulic cylinder is a solid rod, a second hydraulic cylinder is arranged in the top pressure supporting leg, and a third hydraulic cylinder is arranged in the guide leg; in other embodiments, the piston rod of the first hydraulic cylinder may also be a hollow rod, and the hollow rod has a larger wall thickness to meet the requirement of larger strong supporting strength.
In the above embodiment, the top end of the inner pipe is fixedly provided with the top support, the top support is of a U-shaped structure, and comprises a bottom wall fixed at the top end of the inner pipe and two side walls perpendicular to the bottom wall, and the two side walls and the bottom wall form an accommodating cavity for accommodating the bottom beam of the main truss; in other embodiments, the jacking can also be a horizontal steel plate welded at the top end of the inner pipe, and the upper surface of the steel plate is fixedly connected with the lower surface of the main truss through bolts.
In the above embodiment, the top pressure support leg includes a telescopic outer tube and a telescopic inner tube arranged in the telescopic outer tube, and both the telescopic outer tube and the telescopic inner tube of the top pressure support leg are rectangular steel tubes; in other embodiments, the telescopic outer tube of the jacking leg can also be a round tube, and the telescopic inner tube can also be a round tube.
Claims (9)
1. The utility model provides a lightweight super high-rise construction hydraulic pressure jacking die carrier system, characterized by includes:
truss: the truss structure comprises a main truss and a secondary truss, wherein the main truss and the secondary truss are fixedly connected in a criss-cross mode, a working platform is arranged at the upper part of the truss and used for placing building materials and building tools, truss support legs are fixedly arranged below the main truss, and the truss support legs can stretch in the vertical direction;
template linkage: the horizontal movement can be realized in the extending direction of the main truss by connecting the horizontal movement mechanism to the main truss;
template: the template suspension device is fixed on the template suspension device, and the adjustment can be realized in the extending direction of the main truss through the template suspension device;
inner and outer hanging rack: the inner hanging frame and the outer hanging frame are channels between connecting layers and also channels for connecting the top of the wall and the working platform;
the control system comprises: the lifting mode of the jacking formwork system is controlled by the control panel;
jacking device: the device comprises a main upright post capable of stretching up and down, wherein the main upright post comprises an inner pipe and an outer pipe which can stretch relatively, and the inner pipe is arranged in the outer pipe; the top of the inner pipe is vertically and fixedly connected with a truss, the upper part of the outer pipe is vertically and fixedly provided with a supporting leg truss, the outer pipe is positioned in the middle of the supporting leg truss in the extension direction of the supporting leg truss, the end part, far away from the outer pipe, of the supporting leg truss is fixedly provided with a telescopic jacking supporting leg, and the jacking supporting leg is supported on the top of a wall when in an extending state; the lower end of the outer pipe is vertically fixed with a guide leg which is used for supporting and straightening the main upright post on a wall body;
the supporting leg truss is fixedly provided with a guide truss, a guide cylinder is fixedly arranged on a main truss, the upper end of the guide truss penetrates out of the guide cylinder, pin shaft holes are formed in the left side wall and the right side wall of the guide cylinder in a relatively opened mode, the pin shaft holes are arranged in the upper direction and the lower direction at intervals, pin shafts capable of being pulled out are arranged in the pin shaft holes, after the jacking device finishes self-climbing, the pin shafts are arranged in the pin shaft holes in a penetrating mode, and the main truss and the supporting leg truss are fixed relatively.
2. The hydraulic jacking formwork system for lightweight super high-rise construction according to claim 1, wherein the end of the jacking leg is provided with a notch-shaped structure, and specifically, the end comprises a connecting plate fixedly connected with the jacking leg and toothed plates arranged at even intervals along the extending direction of the connecting plate, and the toothed plates are arranged perpendicular to the connecting plate.
3. The hydraulic jacking formwork system for lightweight super high-rise construction according to claim 2, wherein the connecting plate of the end head and the toothed plate are integrally arranged.
4. The hydraulic jacking formwork system for the lightweight super-high-rise construction is characterized in that a steel plate is additionally arranged between the end head and the wall top, the steel plate is E-shaped and comprises a first plate section and a second plate section perpendicular to the first plate section, at least two second plate sections are arranged, the second plate sections are evenly arranged at intervals along the extending direction of the first plate section, and the projection area of the second plate sections on the wall top is larger than that of the toothed plates on the wall top.
5. The hydraulic jacking formwork system for lightweight super high-rise construction according to any one of claims 1 to 3, wherein the inner pipe is an inner square pipe, the outer pipe is an outer square pipe, the number of the guide legs is four, and the four guide legs extend in a direction perpendicular to four sides of the outer square pipe.
6. The hydraulic jacking formwork system for lightweight super high-rise construction as claimed in claim 5, wherein a telescopic guide head is fixedly arranged at one end of the guide leg far away from the outer square pipe.
7. The hydraulic jacking formwork system for the lightweight super high-rise construction according to claim 6, wherein a first hydraulic cylinder is fixedly arranged in the main upright post, a piston rod of the first hydraulic cylinder is a solid rod, a second hydraulic cylinder is arranged in the jacking leg, and a third hydraulic cylinder is arranged in the guide leg.
8. The hydraulic jacking formwork system for light-weight super high-rise construction according to any one of claims 1 to 3, wherein a top support is fixedly arranged at the top end of the inner pipe, the top support is of a U-shaped structure and comprises a bottom wall fixed at the top end of the inner pipe and two side walls arranged perpendicular to the bottom wall, and the two side walls and the bottom wall form a containing cavity for containing the bottom beam of the main truss.
9. The hydraulic jacking formwork system for lightweight super high-rise construction according to any one of claims 1 to 3, wherein the jacking leg comprises a telescopic outer pipe and a telescopic inner pipe arranged in the telescopic outer pipe, and the telescopic outer pipe and the telescopic inner pipe of the jacking leg are both rectangular steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN116408882A (en) * | 2023-06-07 | 2023-07-11 | 中交第一航务工程局有限公司 | Caisson prefabrication construction device and caisson prefabrication construction method |
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