CN119616223B - Automatic jacking platform for large-scale building overhead building machine and construction method thereof - Google Patents
Automatic jacking platform for large-scale building overhead building machine and construction method thereofInfo
- Publication number
- CN119616223B CN119616223B CN202510041490.8A CN202510041490A CN119616223B CN 119616223 B CN119616223 B CN 119616223B CN 202510041490 A CN202510041490 A CN 202510041490A CN 119616223 B CN119616223 B CN 119616223B
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
本发明涉及一种大型楼房空中造楼机用自动顶升平台及其施工方法，针对顶升平台来说，其包括底座，平台，推板，斜撑，扩增平台，第一定位座，丝杠，第二定位座，其由丝杠可转动地穿过，其间隔在第一定位座和推板的上方；电机，其固定在底座两侧，其输出轴固接丝杠;定位杆，其滑动穿接所述推板，其上下端固定在底座两侧；顶升机构，其安装在底座底部。针对施工方法来说，其包括S1：在剪力墙上设置多个上下间隔和左右间隔的预埋组件；S2：在预埋组件上安装牛腿；S3：安置固定卡座和活动卡座；S4：顶升机构顶升；S5：完成循环顶升操作。本发明有利于在大型楼房的中部增设顶升平台，使其容易进入造楼机靠边位置的塔吊机的覆盖范围。
This invention relates to an automatic lifting platform for a large-scale aerial building construction machine and its construction method. The lifting platform includes a base, a platform, a push plate, diagonal braces, an extended platform, a first positioning seat, a lead screw, and a second positioning seat through which the lead screw rotatably passes, spaced above the first positioning seat and the push plate; a motor fixed to both sides of the base, its output shaft fixed to the lead screw; a positioning rod slidably passing through the push plate, its upper and lower ends fixed to both sides of the base; and a lifting mechanism installed at the bottom of the base. The construction method includes: S1: setting multiple pre-embedded components with vertical and horizontal spacing on the shear wall; S2: installing brackets on the pre-embedded components; S3: installing fixed and movable brackets; S4: lifting by the lifting mechanism; and S5: completing the cyclic lifting operation. This invention is advantageous for adding a lifting platform in the middle of a large building, making it easily accessible to tower cranes located near the edges of the construction machine.
Description
Technical Field
The invention relates to the field of building construction, in particular to an automatic jacking platform for an air building machine of a large building.
The invention also relates to a construction method based on the automatic jacking platform.
Background
The building machine and its construction technology are to realize the industrial intelligent construction of cast-in-situ reinforced concrete in high-rise building in mechanical operation, intelligent control and other modes. It is characterized by that the whole technological process is completed in the air layer by layer. Therefore, also referred to as "air building machine". The equipment platform simulates a movable building factory, moves the factory to a construction site, adopts means such as mechanical operation, intelligent control and the like to be matched with the existing commercial concrete supply chain and concrete high-altitude pumping technology, carries out cast-in-situ construction technology for synchronously constructing the structural main body above the ground and the heat preservation facing integrated plate layer by layer, replaces manpower with a machine, and realizes the integral cast-in-situ construction of high-rise and super high-rise reinforced concrete.
However, the existing building machine has the defects of small tower crane coverage range and narrow operation space, and the tower crane on the building machine platform is generally at a relatively side position, so that the coverage capacity of the middle position of a large building is limited, and if a suspension arm is lengthened, the risk of overturning is increased, so that the construction safety is not facilitated.
Disclosure of Invention
The invention aims to provide an automatic jacking platform for an aerial building machine of a large building, which is beneficial to adding the jacking platform in the middle of the large building, so that the jacking platform can easily enter the coverage range of a tower crane at the side position of the building machine, is beneficial to improving the transfer range of materials in the middle of the large building, is beneficial to shortening the length of a suspension arm of the tower crane at the side position of the building machine, and is beneficial to guaranteeing the construction safety.
The invention further aims to provide a construction method based on the automatic jacking platform for the large-scale building air building machine, which is beneficial to building and realizing cyclic jacking operation.
Aiming at the technical theme of an automatic jacking platform for an air building machine of a large building, the automatic jacking platform comprises
A base;
A platform mounted on the upper side of the base;
the pushing plates are slidably arranged on two sides of the base;
The lower end of the diagonal brace is hinged to the upper side of the push plate;
the amplification platform is connected to the two sides of the platform in a sliding way and extends out of the platform, and part of the bottom surface of the amplification platform, which is positioned outside the platform, is hinged with the upper end of the diagonal brace;
The first positioning seats are fixed on two sides of the base and positioned below the push plate;
The lower end of the lead screw is rotatably arranged on the first positioning seat and penetrates through the push plate in a threaded connection manner;
The second positioning seats are fixed on two sides of the base and rotatably penetrated by the lead screw, and are spaced above the first positioning seats and the push plate;
A motor fixed on two sides of the base, the output shaft is fixedly connected with a lead screw;
The positioning rod is connected with the push plate in a sliding penetrating way, and the upper end and the lower end of the positioning rod are fixed on the two sides of the base;
and the jacking mechanism is arranged at the bottom of the base.
By adopting the structure, the expansion platform can be opened and contracted to increase the coverage area of the platform, the expansion platform is opened to conveniently enter the tower crane coverage area of the building machine, the transfer of construction materials is facilitated, the contraction of the expansion platform can adjust the gravity center, and the capability of the platform for resisting bad weather is enhanced.
The automatic jacking platform is further improved in that a sliding rail groove is formed in the platform, a moving block is slidably matched with the sliding rail groove, the moving block is fixed at the bottom of an installation seat, a tower crane is installed at the top of the installation seat, one end of a push rod is hinged to two sides of the installation seat, a fixed block is hinged to the other end of the push rod, the fixed block is fixed to the side face of the amplification platform, the fixed block is slidably connected to a sliding rod in a penetrating mode, the sliding rod is fixed to a side wall of the platform, the sliding rod is parallel to the side face of the amplification platform, the amplification platform is slidably inserted into a side wall of the platform, and the side wall of the amplification platform is vertically inserted into the side wall of the platform.
By adopting the structure, the small-sized tower crane can be arranged on the amplification platform to form cross coverage with the large-sized tower crane of the building machine, when the amplification platform is opened, the tower crane can extend to enlarge the coverage area of the tower crane, when the amplification platform is contracted, the tower crane is contracted, thereby being beneficial to resisting bad weather, the platform can realize low-level installation of the tower crane, after the platform realizes the jacking function, the height of the tower crane can be increased without installing redundant standard sections, and the added small-sized tower crane enables the material transportation in the middle of the large-sized building to be more flexible.
As a further improvement of the automatic jacking platform, the base has a cavity, the cavity is communicated with the bottom surface, the bottom surface of the base has a circle of flange, and the jacking mechanism comprises:
The fixed guide rail is arranged on the bottom surface of the base, surrounds one circle at intervals and is in a frame form;
The hydraulic cylinder is arranged on the flange, and the piston of the hydraulic cylinder slides out of the flange and stretches into the fixed guide rail;
The fixed clamping seat is fixedly arranged at the upper end of the fixed guide rail and is penetrated by the piston of the hydraulic cylinder in a sliding way, and one end of the fixed clamping seat transversely extends out of the base;
The movable clamping seat is slidably arranged in the fixed guide rail and fixedly connected with a piston of the hydraulic cylinder.
By adopting the structure, the movable clamping seat is jacked up by the hydraulic cylinder, and the counter force is provided by the movable clamping seat, so that the base and the platform can be lifted.
As a further improvement of the automatic jacking platform, an interval is reserved between the mounting seat and the platform, universal balls are mounted at the interval, and the outer shell of each universal ball is embedded into the bottom of the mounting seat.
By adopting the structure, the universal balls reduce friction force, and the movement of the small tower crane is convenient.
As a further improvement of the automatic jacking platform, the bottom surface of the platform is provided with a bearing mechanism, the bearing mechanism comprises a bearing column, a lower row of bearing rods and an upper row of bearing rods, the bearing column is fixedly arranged on the bottom surface of the platform, one ends of the lower row of bearing rods and the upper row of bearing rods are connected with the bearing column, the other ends of the lower row of bearing rods and the upper row of bearing rods are connected with the inner wall of a cavity of the base, and web members are arranged between the lower row of bearing rods and the upper row of bearing rods.
By adopting the structure, the plurality of bearing mechanisms are additionally arranged, so that the inside of the base and the bottom surface of the platform are fully supported, the overall rigidity is increased, and the rod system structural support system avoids the problem of self weight of the solid structure, is beneficial to reducing the self weight and is convenient to lift.
For the technical theme of the construction method, the concrete steps are as follows:
S1, when a longitudinal and transverse shear wall of a first elevator hoistway and a longitudinal and transverse shear wall of a stairwell are poured, arranging a plurality of embedded assemblies which are vertically spaced and horizontally spaced on the shear wall;
S2, mounting brackets on the embedded assembly after the longitudinal and transverse shear walls of the first elevator hoistway and the longitudinal and transverse shear walls of the stairwell are disassembled;
S3, respectively arranging a fixed clamping seat and a movable clamping seat on brackets at upper and lower intervals, and then positioning and assembling a fixed guide rail 10 by the fixed clamping seat and the movable clamping seat;
S4, jacking the jacking mechanism, when the bracket on the bottom surface of the movable clamping seat touches the lower end of the fixed guide rail, lifting the base to stop, reserving construction spaces of the longitudinal and transverse shear walls of the second layer of elevator cabs and the longitudinal and transverse shear walls of the stairwells, and positioning the embedded positions of the second layer of embedded assemblies by the fixed clamping seat;
s5, after the construction of the longitudinal and transverse shear walls of the second elevator hoistway and the longitudinal and transverse shear walls of the stairwell is completed, installing brackets on the bottom surface of the fixed clamping seat to complete the conversion of stress points, removing the brackets on the bottom surface of the original fixed clamping seat, releasing the limit of the movable clamping seat, contracting the movable clamping seat, installing the brackets on the bottom surface of the movable clamping seat to complete the conversion of stress points of the next wheel lifting, removing the brackets on the bottom surface of the original movable clamping seat, and releasing the limit of the fixed guide rail, thereby completing one-time cyclic lifting operation and enabling the tower crane on the platform to gradually lift along with the construction progress.
The construction method is further improved, the embedded assembly comprises an embedded steel plate, embedded bolts and embedded nuts, the embedded nuts are welded on the back surface of the embedded steel plate, holes corresponding to the embedded nuts are formed in the embedded steel plate in a penetrating mode, and the embedded bolts penetrate out of the embedded steel plate through the embedded nuts.
By adopting the structure, the embedded assembly can provide a plurality of installation points, and the threaded connection mode is convenient to detach.
The bracket comprises a first angle steel and I-steel, wherein the first angle steel is perforated and connected with a part of the embedded bolt penetrating through the embedded steel plate in a penetrating mode, the embedded steel plate is screwed by a first nut, the first angle steel is fixed in an upper row and a lower row at intervals, the inner end of the I-steel is clamped between the two angle steels, the upper flange and the lower flange of the I-steel are fixed on the first angle steel through a first bolt nut assembly, a second angle steel is arranged between a web plate of the I-steel and the embedded steel plate, the second angle steel is connected with the part of the embedded bolt penetrating through the embedded steel plate in a penetrating mode, the embedded steel plate is screwed by the first nut, the second angle steel is connected with the I-steel through a second bolt nut assembly in a penetrating mode, a sleeve is connected with the embedded bolt in a threaded mode, the outer end of the I-steel is provided with an anchor plate to be compressed, and the anchor plate is penetrated by the anchor bolt and screwed by a second nut.
By adopting the structure, the I-steel is stably installed, the anchor plate is convenient for applying prestress, the bottom surface of the I-steel can be additionally provided with the inclined supporting leg to be abutted against the shear wall, and the bracket is integrally connected by screw threads so as to be convenient to detach.
As a further improvement of the construction method, lifting lugs are arranged at two end sides of the anchor plate, the lifting lugs are fixedly connected by steel strands, and the upper ends of the steel strands are fixed on the embedded bolts by adopting anchors.
By adopting the structure, the steel strand is convenient for hanging the end part of the I-steel, so that the whole I-steel is more stable.
As a further improvement of the construction method, the I-steel is arranged at intervals and can be penetrated by a piston of the hydraulic cylinder.
With the adoption of the structure, the bracket does not influence the use of the piston of the hydraulic cylinder.
The invention is beneficial to adding the jacking platform in the middle of the large building, so that the jacking platform can easily enter the coverage area of the tower crane at the side position of the building machine, is beneficial to improving the transfer range of materials in the middle of the large building, is convenient to shorten the length of the suspension arm of the tower crane at the side position of the building machine, and is beneficial to guaranteeing the construction safety.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment.
Fig. 2 is a schematic view of another angle structure of the embodiment.
FIG. 3 is a schematic diagram of the assembled structure of the platform plate and the amplification plate.
Fig. 4 is a schematic structural view of the base.
Fig. 5 is a schematic structural view of the platform plate.
Fig. 6 is a schematic structural view of a load bearing mechanism.
Fig. 7 is a schematic structural view of a tower crane.
Fig. 8 is a schematic view of the installation structure of the universal ball.
Fig. 9 is a schematic diagram of bracket mounting structure.
Fig. 10 is a partially enlarged schematic structural view of the bracket.
Fig. 11 is a schematic structural diagram of the embedded assembly.
FIG. 12 is a schematic view of another angle of the embedded assembly.
The steel wire cable-laying device comprises the following components of 1, a base, 101, a cavity, 102, a flange, 2, a platform, 3, a tower crane, 4, an expansion platform, 5, a supporting mechanism, 51, a push plate, 52, a diagonal bracing, 53, a first positioning seat, 54, a screw, 55, a motor, 56, a positioning rod, 57, a second positioning seat, 6, a contraction mechanism, 61, a fixed block, 62, a sliding rod, 63, a push rod, 64, a mounting seat, 65, a sliding rail groove, 66, a moving block, 7, a bearing mechanism, 71, a bearing column, 72, a lower bearing rod, 73, an upper bearing rod, 74, a web member, 8, universal balls, 801, a housing, 9, a guard rail, 10, a fixed guide rail, 11, a fixed clamping seat, 12, a movable clamping seat, 13, a hydraulic cylinder, 14, a bracket, 141, a first angle steel, 142, I-steel, 143, a first nut, 144, a first bolt assembly, 145, a second angle steel, 146, a second bolt and nut assembly, 147, a sleeve, 148, 149, a second nut, a lifting lug, 1412, a web member, a flange, a 8, an anchor 1413, an anchor wire, a pre-embedded plate, a pre-embedded steel wire, a pre-embedded plate, and a pre-embedded plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are merely for convenience of description and to simplify the description, but rather to indicate or imply that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention, the terms "first," "second," "third," are used for descriptive purposes only and should not be construed as indicating or implying relative importance, and furthermore, unless explicitly stated or otherwise, the terms "mounted," "connected," or "connected" should be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected, as being mechanically connected, as being electrically connected, as being indirectly connected, as being connected via an intermediate medium, as being in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1-12, an automatic lifting platform for an air building machine of a large building comprises
A base 1;
A platform 2 mounted on the upper side of the base 1;
push plates 51 slidably installed at both sides of the base 1;
a diagonal brace 52, the lower end of which is hinged to the upper side of the push plate 51;
The amplification platform 4 is connected to the two sides of the platform 2 in a sliding way, extends out of the platform 2, and is positioned at the upper end of a diagonal brace 52 hinged to part of the bottom surface outside the platform 2;
a first positioning seat 53 fixed on both sides of the base 1 below the push plate 51;
A screw 54, the lower end of which is rotatably mounted on the first positioning seat 53, which passes through the push plate 51 in a threaded manner;
Second positioning seats 57 fixed at both sides of the base 1 and rotatably penetrated by the lead screw 54, spaced above the first positioning seats 53 and the push plate 51;
Motors 55 fixed on both sides of the base 1, and having output shafts fixedly connected with screw rods 54;
The positioning rod 56 is slidably connected with the push plate 51 in a penetrating way, and the upper end and the lower end of the positioning rod are fixed on the two sides of the base 1;
and the jacking mechanism is arranged at the bottom of the base 1.
By adopting the structure, the expansion platform 4 can be opened and contracted to increase the coverage area of the platform 2, the expansion platform 4 is opened to conveniently enter the tower crane coverage area of the building machine, the construction materials are convenient to transport, the contraction of the expansion platform 4 can adjust the gravity center, and the capability of the platform for resisting bad weather is enhanced.
In this embodiment, a sliding rail groove 65 is provided on the platform 2, the sliding rail groove 65 is slidably adapted with a moving block 66, the moving block 66 is fixed at the bottom of an installation seat 64, a tower crane 3 is installed at the top of the installation seat 64, one end of a push rod 63 is hinged to two sides of the installation seat 64, a fixed block 61 is hinged to the other end of the push rod 63, the fixed block 61 is fixed on the side surface of the amplification platform 4, the fixed block 61 is slidably connected to a sliding rod 62 in a penetrating manner, the sliding rod 62 is fixed on the side wall of the platform 2, the sliding rod 62 is parallel to the side surface of the amplification platform 4, the amplification platform 4 is slidably connected to the side wall of the platform 2, and the side wall of the amplification platform 4 is vertically connected to the side wall of the platform 2.
By adopting the structure, the small-sized tower crane 3 can be arranged on the amplification platform 4 to form cross coverage with a large-sized tower crane of a building machine, when the amplification platform 4 is opened, the tower crane 3 can extend to enlarge the coverage of the tower crane 3, when the amplification platform 4 is contracted, the tower crane 3 is contracted, which is beneficial to resisting bad weather, the platform 2 can realize low-level installation of the tower crane 3, after the platform 2 realizes the jacking function, the height of the tower crane 3 can be increased without installing redundant standard sections, and the added small-sized tower crane enables the material transfer in the middle of the large-sized building to be more flexible.
In this embodiment, the base 1 has a cavity 101, the cavity 101 communicates with the bottom surface, the bottom surface of the base 1 has a ring of flanges 102, and the jacking mechanism includes:
a fixed rail 10 installed at the bottom surface of the base 1 to be spaced one turn, which is in the form of a frame;
a hydraulic cylinder 13 mounted on the flange 102, the piston of which slides out of the flange 102 and into the fixed rail 10;
the fixed clamping seat 11 is fixedly arranged at the upper end of the fixed guide rail 10 and is penetrated by the piston of the hydraulic cylinder 13 in a sliding way, and one end of the fixed clamping seat transversely extends out of the base 1;
The movable clamping seat 12 is slidably arranged in the fixed guide rail 10 and fixedly connected with a piston of the hydraulic cylinder 13.
With such a structure, the movable clamping seat 12 is lifted up by the hydraulic cylinder 13, and the counter force is provided by the movable clamping seat 12, so that the base 1 and the platform 2 are lifted up.
In this embodiment, a space is reserved between the mounting seat 64 and the platform 2, and a universal ball 8 is mounted at the space, and a housing 801 of the universal ball 8 is embedded into the bottom of the mounting seat 64.
With this structure, the friction force of the universal ball 8 is reduced, and the movement of the small-sized tower crane 3 is facilitated.
In this embodiment, the bearing mechanism 7 is installed on the bottom surface of the platform 2, the bearing mechanism 7 includes a bearing post 71, a lower row of bearing rods 72 and an upper row of bearing rods 73, the bearing post 71 is fixedly installed on the bottom surface of the platform 2, one ends of the lower row of bearing rods 72 and the upper row of bearing rods 73 are connected with the bearing post 71, the other ends are connected with the inner wall of the cavity of the base 1, and web members 74 are arranged between the lower row of bearing rods 72 and the upper row of bearing rods 73.
By adopting the structure, the plurality of bearing mechanisms 7 are additionally arranged, so that the inside of the base 1 and the bottom surface of the platform 2 are fully supported, the overall rigidity is increased, the problem of self weight of the solid structure is avoided by the rod system structural support system, the self weight is reduced, and the lifting is facilitated.
Example 2
Based on the construction method of the automatic jacking platform for the large-scale building air building machine described in the embodiment 1, the specific steps are as follows:
s1, when a longitudinal and transverse shear wall of a first elevator hoistway and a longitudinal and transverse shear wall of a stairwell are poured, arranging a plurality of embedded assemblies 15 which are vertically spaced and horizontally spaced on the shear wall;
s2, after the longitudinal and transverse shear walls of the first elevator hoistway and the longitudinal and transverse shear walls of the stairwell are disassembled, bracket 14 is arranged on pre-buried assembly 15;
S3, respectively arranging a fixed clamping seat 11 and a movable clamping seat 12 on brackets 14 which are spaced up and down, and then positioning a fixed guide rail 10 by the fixed clamping seat 11 and the movable clamping seat 12 for assembly, hoisting a base 1 on the fixed guide rail 10, and subsequently sequentially installing all parts on the base 1;
s4, jacking the jacking mechanism, when the bracket 14 on the bottom surface of the movable clamping seat 12 touches the lower end of the fixed guide rail 10, lifting the base 1 to stop, reserving construction spaces of a second-layer elevator cabin longitudinal and transverse shear wall and a stairwell longitudinal and transverse shear wall, and positioning the embedded position of the second-layer embedded assembly 15 by the fixed clamping seat 11;
S5, after the construction of the longitudinal and transverse shear walls of the elevator room and the longitudinal and transverse shear walls of the stairwell of the second layer is completed, installing brackets 14 on the bottom surface of the fixed clamping seat 11 to complete the conversion of stress points, removing the brackets 14 on the bottom surface of the original position fixed clamping seat 11, releasing the limit of the movable clamping seat 12, contracting the movable clamping seat 12, installing the brackets 14 on the bottom surface of the movable clamping seat 12 to complete the conversion of stress points of the next wheel lifting, removing the brackets 14 on the bottom surface of the original position movable clamping seat 12, and releasing the limit of the fixed guide rail 10, thereby completing one-time cyclic lifting operation and enabling the tower crane on the platform 2 to gradually rise along with the construction progress.
In this embodiment, the embedded assembly 15 includes an embedded steel plate 151, an embedded bolt 152 and an embedded nut 153, the embedded nut 153 is welded on the back of the embedded steel plate 151, a hole corresponding to the embedded nut 153 is formed in the embedded steel plate 151, and the embedded bolt 152 passes through the embedded nut 153 and out of the embedded steel plate 151.
By adopting the structure, the embedded assembly 15 can provide a plurality of installation points, and the threaded connection mode is convenient to detach.
In this embodiment, the bracket 14 includes a first angle steel 141 and an i-steel 142, where the first angle steel 141 is perforated and is threaded on a portion of the embedded bolt 152 penetrating through the embedded steel plate 151 and is screwed with a first nut 143, the first angle steel 141 is fixed in two rows up and down with an inner end of the i-steel 142 clamped between the two angle steels 141, upper and lower flanges of the i-steel 142 are fixed on the first angle steel 141 by a first bolt-nut assembly 144, a second angle steel 145 is disposed between a web of the i-steel 142 and the embedded steel plate 151, the second angle steel 145 is threaded on a portion of the embedded bolt 152 penetrating through the embedded steel plate 151 and is screwed with a first nut 143, the second angle steel 145 is screwed with the i-steel 142 by a second bolt-nut assembly 146, the embedded bolt 152 penetrating through the second angle steel 145 is further screwed with a sleeve 147, the sleeve 147 is screwed with a bolt 148, the outer end of the i-steel 142 is provided with an anchor plate 1413, and the anchor plate 1413 is threaded by the bolt 148 and is screwed with a second nut 149.
By adopting the structure, the I-steel 142 is stably installed, the anchor plate 1413 is convenient for applying prestress, the bottom surface of the I-steel 142 can be additionally provided with the inclined supporting legs to be abutted against the shear wall, and the bracket is integrally connected by screw threads so as to be convenient to detach.
In this embodiment, lifting lugs 1410 are disposed at two end sides of the anchor plate 1413, and steel strands 1411 are fixedly connected to the lifting lugs 1410, and the upper ends of the steel strands 1411 are fixed to the embedded bolts 152 by anchors 1412.
With such a structure, the steel strand 1411 facilitates the hanging of the end of the i-beam 142, so that the i-beam 142 is overall more stable.
In this embodiment, the i-beams 142 are spaced apart and can be penetrated by the piston of the hydraulic cylinder 13.
With this structure, the bracket does not affect the use of the piston of the hydraulic cylinder 13.
The invention is beneficial to adding the jacking platform in the middle of the large building, so that the jacking platform can easily enter the coverage area of the tower crane at the side position of the building machine, is beneficial to improving the transfer range of materials in the middle of the large building, is convenient to shorten the length of the suspension arm of the tower crane at the side position of the building machine, and is beneficial to guaranteeing the construction safety.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several equivalent substitutions and obvious modifications can be made without departing from the spirit of the invention, and the same should be considered to be within the scope of the invention.
Claims (9)
1. An automatic jacking platform for an air building machine of a large building is characterized by comprising the following components:
A base (1);
a platform (2) mounted on the upper side of the base (1);
the pushing plates (51) are slidably arranged on two sides of the base (1);
a diagonal brace (52) with its lower end hinged to the upper side of the push plate (51);
The amplification platform (4) is connected to the two sides of the platform (2) in a sliding way and extends out of the platform (2), and part of the bottom surface of the amplification platform, which is positioned outside the platform (2), is hinged with the upper end of the diagonal brace (52);
the first positioning seats (53) are fixed on two sides of the base (1) and are positioned below the push plate (51);
a screw (54) whose lower end is rotatably mounted on the first positioning seat (53) and which passes through the push plate (51) in a threaded manner;
The second positioning seats (57) are fixed on two sides of the base (1) and rotatably penetrated by the lead screw (54), and are spaced above the first positioning seats (53) and the push plate (51);
the motors (55) are fixed on two sides of the base (1), and the output shafts of the motors are fixedly connected with the lead screws (54);
the positioning rod (56) is connected with the push plate (51) in a sliding and penetrating way, and the upper end and the lower end of the positioning rod are fixed on the two sides of the base (1);
the jacking mechanism is arranged at the bottom of the base (1);
The device comprises a platform (2), wherein a sliding rail groove (65) is formed in the platform (2), a moving block (66) is slidably matched with the sliding rail groove (65), the moving block (66) is fixed at the bottom of an installation seat (64), a tower crane (3) is installed at the top of the installation seat (64), one end of a push rod (63) is hinged to two sides of the installation seat (64), a fixed block (61) is hinged to the other end of the push rod (63), the fixed block (61) is fixed to the side face of the amplification platform (4), the fixed block (61) is slidably connected onto a sliding rod (62), the sliding rod (62) is fixed to the side wall of the platform (2), the sliding rod (62) is parallel to the side face of the amplification platform (4), the side wall of the amplification platform (4) is slidably connected to the side wall of the platform (2) in a vertical connection mode.
2. The automatic jacking platform for an air building machine of a large building according to claim 1, wherein the base (1) is provided with a cavity (101), the cavity (101) is communicated with the bottom surface, the bottom surface of the base (1) is provided with a circle of flange (102), and the jacking mechanism comprises:
A fixed guide rail (10) which is arranged on the bottom surface of the base (1) and is in a frame form, and is wound around one circle at intervals;
a hydraulic cylinder (13) mounted on the flange (102) with its piston sliding out of the flange (102) and into the fixed rail (10);
the fixed clamping seat (11) is fixedly arranged at the upper end of the fixed guide rail (10) and is penetrated by the piston of the hydraulic cylinder (13) in a sliding way, and one end of the fixed clamping seat transversely extends out of the base (1);
the movable clamping seat (12) is slidably arranged in the fixed guide rail (10) and fixedly connected with a piston of the hydraulic cylinder (13).
3. The automatic jacking platform for the large-scale building air building machine according to claim 1, which is characterized in that a space is reserved between the mounting seat (64) and the platform (2), universal balls (8) are mounted at the space, and a shell (801) of each universal ball (8) is embedded into the bottom of the mounting seat (64).
4. The automatic jacking platform for the large-scale building air building machine is characterized in that a bearing mechanism (7) is installed on the bottom surface of the platform (2), the bearing mechanism (7) comprises bearing columns (71), lower row bearing rods (72) and upper row bearing rods (73), the bearing columns (71) are fixedly installed on the bottom surface of the platform (2), one ends of the lower row bearing rods (72) and the upper row bearing rods (73) are connected with the bearing columns (71), the other ends of the lower row bearing rods (72) and the upper row bearing rods (73) are connected with the inner wall of a cavity of the base (1), and web members (74) are arranged between the lower row bearing rods (72) and the upper row bearing rods (73).
5. A construction method based on the automatic jacking platform for the large-scale building air building machine according to claim 2, which is characterized by comprising the following specific steps:
S1, when a longitudinal and transverse shear wall of a first elevator hoistway and a longitudinal and transverse shear wall of a stairwell are poured, arranging a plurality of embedded assemblies (15) which are vertically spaced and horizontally spaced on the shear wall;
s2, after the longitudinal and transverse shear walls of the first elevator hoistway and the longitudinal and transverse shear walls of the stairwell are disassembled, bracket (14) is arranged on the embedded assembly (15);
S3, respectively arranging a fixed clamping seat (11) and a movable clamping seat (12) on brackets (14) which are spaced up and down, and then positioning a fixed guide rail (10) by the fixed clamping seat (11) and the movable clamping seat (12) for assembly, hoisting a base (1) on the fixed guide rail (10), and then sequentially installing all parts on the base (1);
s4, jacking the jacking mechanism, when a bracket (14) on the bottom surface of the movable clamping seat (12) touches the lower end of the fixed guide rail (10), lifting the base (1) to stop, reserving construction spaces of a second-layer elevator cabin longitudinal and transverse shear wall and a stairwell longitudinal and transverse shear wall, and positioning the embedded position of a second-layer embedded assembly (15) by the fixed clamping seat (11);
S5, after construction of the second-layer elevator cabin longitudinal and transverse shear wall and the stairwell longitudinal and transverse shear wall is completed, installing brackets (14) on the bottom surface of the fixed clamping seat (11) to complete stress point conversion, removing the brackets (14) on the bottom surface of the original-position fixed clamping seat (11), releasing limit of the movable clamping seat (12), contracting the movable clamping seat (12), installing the brackets (14) on the bottom surface of the movable clamping seat (12) to complete stress point conversion of next round jacking, removing the brackets (14) on the bottom surface of the original-position movable clamping seat (12), and releasing limit of the fixed guide rail (10), so that one-time cyclic jacking operation is completed, and a tower crane on the platform (2) is gradually lifted along with the construction progress.
6. The construction method of the automatic jacking platform for the large-scale building air building machine, which is disclosed by claim 5, is characterized in that the embedded assembly (15) comprises an embedded steel plate (151), embedded bolts (152) and embedded nuts (153), the embedded nuts (153) are welded on the back surface of the embedded steel plate (151), holes corresponding to the embedded nuts (153) are formed in the embedded steel plate (151) in a penetrating mode, and the embedded bolts (152) penetrate out of the embedded steel plate (151) through the embedded nuts (153).
7. The construction method of the automatic jacking platform for the large building overhead building machine, according to claim 6, is characterized in that the bracket (14) comprises a first angle steel (141) and an I-steel (142), wherein the first angle steel (141) is perforated and is connected with a part of an embedded bolt (152) penetrating through an embedded steel plate (151) in a penetrating mode, the first angle steel (141) is fixed in an upper row and a lower row at intervals, the I-steel (142) is clamped between the two angle steels (141), the inner ends of the I-steel (142) are clamped between the two angle steels (141), the upper flange and the lower flange of the I-steel (142) are fixed on the first angle steel (141) through a first bolt nut assembly (144), a second angle steel (145) is arranged between a web plate of the I-steel (142) and the embedded steel plate (151), the second angle steel (145) is connected with the embedded steel plate (151) in a penetrating mode, the second angle steel (145) is screwed with the embedded steel plate (151) in a penetrating mode and is screwed through a first nut (143), the second angle steel (145) is screwed with the I-steel (142) through a second nut assembly (146), the second angle steel (145) is screwed with the anchor bolt (147) in a threaded mode, the threaded bolt (147) is screwed on the anchor rod (3) through the anchor rod (147), and tightened with a second nut (149).
8. The construction method of the automatic jacking platform for the large-scale building air building machine, which is characterized in that lifting lugs (1410) are arranged at two end sides of the anchor plate (1413), the lifting lugs (1410) are fixedly connected by steel strands (1411), and the upper ends of the steel strands (1411) are fixed on the embedded bolts (152) by adopting anchors (1412).
9. The construction method of the automatic jacking platform for the large-scale building air building machine according to claim 8, wherein the I-shaped steel (142) is arranged at intervals and can be penetrated by a piston of the hydraulic cylinder (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202510041490.8A CN119616223B (en) | 2025-01-10 | 2025-01-10 | Automatic jacking platform for large-scale building overhead building machine and construction method thereof |
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| CN202510041490.8A CN119616223B (en) | 2025-01-10 | 2025-01-10 | Automatic jacking platform for large-scale building overhead building machine and construction method thereof |
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| CN119616223B true CN119616223B (en) | 2025-11-21 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202731271U (en) * | 2012-06-15 | 2013-02-13 | 常州液压成套设备厂有限公司 | Hydraulic system for jacking work platform of super high-rise building |
| CN110306776A (en) * | 2019-06-25 | 2019-10-08 | 王萍 | A kind of hoistable platform for construction of elevator shaft in high-rise building |
| CN110886488A (en) * | 2019-10-28 | 2020-03-17 | 上海欧跃建筑安装工程有限公司 | An intelligent integrated high-rise building machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3994113A (en) * | 1976-01-06 | 1976-11-30 | Souza Jr Thomas | Stairs and railing system for multi-floored buildings and method of constructing same |
| US11655641B2 (en) * | 2019-12-29 | 2023-05-23 | The Third Construction Co., Ltd Of China Construction Third Engneering Bureau | Construction building equipment and construction method thereof |
| CN116357067A (en) * | 2023-05-11 | 2023-06-30 | 巢势科技(上海)有限公司 | Multi-machine-position, small-tonnage and short-stroke circulating jacking system for building machine |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202731271U (en) * | 2012-06-15 | 2013-02-13 | 常州液压成套设备厂有限公司 | Hydraulic system for jacking work platform of super high-rise building |
| CN110306776A (en) * | 2019-06-25 | 2019-10-08 | 王萍 | A kind of hoistable platform for construction of elevator shaft in high-rise building |
| CN110886488A (en) * | 2019-10-28 | 2020-03-17 | 上海欧跃建筑安装工程有限公司 | An intelligent integrated high-rise building machine |
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