CN115142667B - Integrated self-climbing elevator shaft formwork structure and construction method thereof - Google Patents
Integrated self-climbing elevator shaft formwork structure and construction method thereof Download PDFInfo
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- CN115142667B CN115142667B CN202210547507.3A CN202210547507A CN115142667B CN 115142667 B CN115142667 B CN 115142667B CN 202210547507 A CN202210547507 A CN 202210547507A CN 115142667 B CN115142667 B CN 115142667B
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- 238000010276 construction Methods 0.000 title claims description 10
- 238000009415 formwork Methods 0.000 title description 9
- 239000004567 concrete Substances 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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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 application relates to the technical field of elevator shaft mold structures, and provides an integrated self-climbing elevator shaft mold structure which comprises an inner cylinder mold, an outer cylinder mold and a lifting assembly, wherein the problem of lower pouring efficiency of a traditional elevator shaft is solved; the inner cylinder mould is positioned at the inner periphery of the outer cylinder mould, a mould cavity for pouring an elevator shaft is formed between the inner cylinder mould and the outer cylinder mould, and the outer cylinder mould is formed by splicing four groups of outer templates which are distributed in a rectangular manner; a stretching mechanism for driving the inner cylinder mould to stretch is arranged in the inner cylinder mould; the lifting assembly is located at the top of the building and connected with the inner cylinder mould, and the lifting assembly is used for driving the inner cylinder mould to lift along the vertical direction. This application has the effect that promotes the efficiency of pouring of elevator shaft.
Description
Technical Field
The application relates to the technical field of elevator shaft formwork structures, in particular to an integrated self-climbing elevator shaft formwork structure and a construction method thereof.
Background
To facilitate the travel of the residents of the high floors, the building is usually provided with an elevator, the construction of the elevator hoistway is usually required before the elevator is installed, the elevator hoistway is usually of a reinforced concrete structure, and the elevator hoistway is usually cast in sections because the specification of the elevator hoistway is affected by the total height of the floors.
At present, an inner cylinder mould and an outer cylinder mould are usually required to be erected at first when the elevator shaft is poured, the inner cylinder mould and the outer cylinder mould are formed by splicing a plurality of wood boards, and concrete is poured into a cavity between the inner and outer templates after the inner cylinder mould and the outer cylinder mould are erected, so that the elevator shaft is formed.
With respect to the above-described related art, the inventors consider that there are the following drawbacks: when the elevator shaft is cast in sections at present, the inner cylinder mould and the outer cylinder mould need to be supported and dismantled repeatedly, so that the casting efficiency of the elevator shaft is low, and therefore, an improvement space exists.
Disclosure of Invention
In order to enable the elevator shaft pouring to be simpler and more convenient, the application provides an integrated self-climbing elevator shaft mold structure and a construction method thereof.
The application provides an integrated self-climbing elevator shaft well mould structure and a construction method thereof, which adopts the following technical scheme:
an integrated self-climbing elevator shaft mold structure comprises an inner cylinder mold, an outer cylinder mold and a lifting assembly; the inner cylinder mould is positioned at the inner periphery of the outer cylinder mould, and the inner cylinder mould is matched with the outer cylinder mould to form a mould cavity for pouring the elevator shaft; the outer cylinder mould is formed by splicing four groups of outer templates which are distributed in a rectangular mode; a stretching mechanism for driving the inner cylinder mould to stretch is arranged in the inner cylinder mould; the lifting assembly is located at the top of the building and connected with the inner cylinder mould, and the lifting assembly is used for driving the inner cylinder mould to lift along the vertical direction.
Through adopting the technical scheme, when the elevator shaft is required to be poured, the inner cylinder mould is moved to the pouring station through the lifting assembly, the outer cylinder mould is supported on the periphery of the inner cylinder mould, the inner cylinder mould is driven to be opened to a limit state through the expanding and contracting mechanism, concrete is poured into a mould cavity formed by the inner cylinder mould and the outer cylinder mould, the elevator shaft can be formed, when the elevator shaft of the next section is required to be poured, the outer cylinder mould is only required to be dismantled, the inner cylinder mould is driven to be contracted through the expanding and contracting mechanism, the inner cylinder mould can be separated from the elevator shaft, the demoulding of the inner cylinder mould is realized, the lifting assembly is convenient to move the inner cylinder mould to the next pouring station, compared with the traditional elevator shaft, the inner cylinder mould can be opened and contracted through the expanding and contracting mechanism, and the supporting and demoulding of the inner cylinder mould are realized; through setting up lifting unit, utilize lifting unit to realize the quick travel of inner tube mould, be convenient for with the next station of pouring in the inner tube mould rapid travel of shrink, be favorable to promoting the efficiency of pouring of elevator shaft for the pouring of elevator shaft is simpler convenient more.
Preferably, the inner cylinder mould comprises a connecting cylinder and four groups of inner templates erected on the periphery of the connecting cylinder, the four groups of inner templates are distributed in a rectangular shape, spaces are reserved between two adjacent groups of inner templates, the inner templates are connected with the connecting cylinder through first elastic pieces, and the first elastic pieces give driving force to the inner templates close to the connecting cylinder; the expansion and contraction mechanism comprises an external corner piece arranged between two adjacent groups of inner templates, the external corner piece comprises two groups of wing plates which are vertically arranged, the two groups of wing plates are respectively parallel to the two adjacent inner templates, and the two groups of wing plates are respectively abutted with one side, facing the connecting cylinder, of the two adjacent inner templates; the expanding mechanism further comprises a main driving assembly arranged on the connecting cylinder, and the main driving assembly is used for driving the four groups of external corner pieces to be far away from the connecting cylinder or to be close to the connecting cylinder at the same time.
By adopting the technical scheme, on one hand, the clearance between the adjacent inner templates is blocked by the external corner fitting, so that the inner cylinder mould and the outer cylinder mould are matched to form a mould cavity for pouring the elevator shaft; on the other hand, when the main driving assembly drives the four groups of external corner pieces to simultaneously move away from the connecting cylinder, the external corner pieces drive the adjacent two groups of internal templates to move in the direction away from the connecting cylinder, so that the opening of the internal cylinder mold is realized; when the main driving assembly drives the four groups of external corner machines to move in the direction of being close to the connecting cylinder at the same time, the inner die plate moves towards the connecting cylinder under the driving of the first elastic piece, so that the inner die plate is contracted, and the inner die plate is more simple and convenient to expand and contract.
Preferably, the main driving assembly comprises a sliding rod arranged at one side of the external corner piece, facing the connecting cylinder, one end of the sliding rod, far away from the external corner piece, is penetrated through the connecting cylinder, the main driving assembly further comprises a main conical piece coaxially arranged in the connecting cylinder, the tip end of the main conical piece is downwards arranged, and the connecting cylinder is further provided with a main driving piece for driving the main conical piece to lift along the axis of the main driving piece; the slide bar stretches into the connecting cylinder in one end all with main cone periphery butt, the slide bar periphery still overlaps and is equipped with the second elastic component, second elastic component both ends are connected with connecting cylinder and external corner fitting respectively, the second elastic component gives external corner fitting and is close to the driving force of connecting cylinder.
By adopting the technical scheme, when the main driving piece drives the main conical piece to move downwards, the main conical piece drives the four groups of sliding rods to move towards the direction away from the connecting cylinder at the same time, so that the four groups of external corner pieces are away from the connecting cylinder at the same time; when the main driving piece drives the main conical piece to move upwards, the four groups of external corner pieces slide towards the direction close to the connecting cylinder simultaneously under the driving of the second elastic pieces, so that the external corner pieces can move more simply and conveniently, and the inner cylinder mould can be conveniently expanded and contracted.
Preferably, the two sets of opposite inner templates of the inner cylinder mold are respectively provided with a preformed hole forming block in a sliding way, the connecting cylinder is provided with two sets of auxiliary driving parts corresponding to the two sets of preformed hole forming blocks, and the auxiliary driving parts are used for driving the corresponding preformed hole forming blocks to slide; when the auxiliary driving piece drives the sliding block to extend out of the inner template, the preformed hole forming block enables the inner periphery of the poured elevator shaft to form a preformed clamping hole; the bottom of the connecting cylinder is provided with a frame, the frame is horizontally and slidably connected with two groups of connecting rods corresponding to the two groups of preformed hole forming blocks, one ends of the two groups of connecting rods, which are far away from each other, are respectively connected with a roller in a rolling way, the axial direction of each roller is perpendicular to the axial direction of the connecting cylinder, and the connecting cylinder is also provided with a secondary driving assembly for driving the two groups of connecting rods to be far away from each other and close to each other; when the inner cylinder mould moves to the next pouring station, the rollers on the two groups of connecting rods are respectively opposite to the two groups of reserved clamping holes on the inner periphery of the poured elevator shaft one by one.
Through adopting above-mentioned technical scheme, after opening the inner tube membrane, it is outside stretching out the interior template to drive preformed hole formation piece through vice driving piece for can form the preformed joint hole in the elevator shaft inner periphery after the elevator shaft has been pour to follow-up, drive two sets of slide bars through vice driving component simultaneously and keep away from each other, until the gyro wheel on two sets of connecting rods inserts respectively in the corresponding preformed joint hole of elevator shaft inner periphery that has pour the completion, realize the spacing to the inner tube membrane, make the inner tube membrane be difficult for producing the displacement, be convenient for follow-up concrete can be better at the die cavity internal shaping that outer tube membrane and inner tube membrane formed, when need remove the inner tube membrane to next pouring station, drive two sets of connecting rods through vice driving piece and be close to each other, until the gyro wheel on the connecting rod breaks away from corresponding preformed joint hole, alright make the lifting component drive the inner tube membrane go up and down.
Preferably, the auxiliary driving assembly comprises an extension rod coaxially connected to the bottom of the main conical member, an auxiliary conical member is coaxially arranged at the bottom end of the extension rod, the tip of the auxiliary conical member faces downwards, and one side, close to each other, of each of the two groups of connecting rods is abutted to the periphery of the auxiliary conical member; the periphery of the connecting rod is also sleeved and fixed with an annular limiting plate, the auxiliary driving assembly also comprises a third elastic piece sleeved on the periphery of the connecting rod, and two ends of the third elastic piece are respectively connected with one side, close to the frame, of the annular limiting plate, and when the third elastic piece is in an initial state, the roller at the end part of the connecting rod is abutted with the inner periphery of the poured elevator shaft.
By adopting the technical scheme, when the main driving piece drives the main conical piece to move downwards, the main conical piece drives the auxiliary conical piece to move downwards together, so that the two groups of connecting rods are driven to be away from each other, the idler wheels on the two groups of connecting rods can be inserted into the reserved clamping holes, and the inner sleeve is limited to move upwards and downwards while the inner sleeve is opened; when the main driving piece drives the main conical piece to move upwards, the main conical piece drives the auxiliary conical piece to move upwards together, the two groups of connecting rods are close to each other under the driving of the respective third elastic pieces, the idler wheels on the two groups of connecting rods can move out of the reserved clamping holes, and the lifting assembly can drive the inner cylinder die to lift.
Preferably, a group of outer templates in the outer cylinder mould and a group of inner templates in the inner cylinder mould are respectively provided with a first reserved opening and a second reserved opening, the first reserved opening and the second reserved opening are arranged oppositely and are the same in size, one side, facing the inner templates, of the outer templates of the first reserved opening is further provided with an annular plate, the annular plate surrounds the first reserved opening, and when the inner cylinder mould is opened to a limit state, one end, far away from the outer templates, of the annular plate is abutted to the inner templates.
Through adopting above-mentioned technical scheme, through setting up the setting of first reservation mouth, second reservation mouth and annular plate, first reservation mouth, second reservation mouth and annular plate cooperation make the elevator shaft that has been pour form the door opening, this simple structure is convenient and the practicality is strong.
Preferably, the four groups of outer templates are in one-to-one correspondence with the four groups of inner templates, and split bolts are detachably connected between the outer templates and the corresponding inner templates.
Through adopting above-mentioned technical scheme, be connected through the split bolt with the inner bolster that corresponds through the outer bolster for when pouring the concrete in the die cavity that forms between interior drum mould and the urceolus mould, inner drum mould and urceolus mould are difficult for producing the displacement, the concrete of being convenient for can be better at the die cavity internal shaping that inner drum mould and urceolus mould formed.
The construction method of the integrated self-climbing elevator shaft mold structure comprises the following steps:
step one: binding a steel bar net of the elevator shaft;
step two: the inner cylinder mould is driven to shrink to a limit state through a stretching mechanism;
step three: moving the inner cylinder mould to a new pouring station of the elevator shaft through a lifting structure; spraying a release agent on the inner cylinder mould and the outer cylinder mould at the same time;
step four: expanding the inner cylinder membrane to a limit state through a stretching mechanism;
step five: setting up an outer cylinder mould;
step six: pouring concrete into a mold cavity between the outer cylinder mold and the inner cylinder mold to form an elevator shaft, and curing;
step seven: removing the outer cylinder mould after the maintenance of the elevator shaft is completed;
step eight: repeating the steps one to seven until pouring of all the elevator shafts is completed.
Through adopting above-mentioned technical scheme, when pouring the elevator shaft, drive the inner tube mould through stretching mechanism and stretch and shrink, alright realize that the support of inner tube mould is established and the drawing of patterns, compare the tradition needs the manual work to prop up repeatedly and establish the mode of demolishing the inner tube mould, efficiency is higher, and through setting up lifting unit, utilizes lifting unit to drive the inner tube mould and goes up and down, is convenient for remove the inner tube mould to next station of pouring more fast for the pouring of elevator shaft is simple and convenient more.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the inner cylinder mold is internally provided with a stretching mechanism for stretching the inner cylinder piece, the stretching mechanism stretches the inner cylinder film to realize the supporting and demolding of the inner cylinder mold, and the lifting assembly is arranged to drive the inner cylinder mold to lift so as to facilitate the inner cylinder mold to move to a new pouring station of the elevator shaft;
2. the expansion mechanism comprises an external corner fitting arranged between adjacent inner templates and a main driving assembly arranged on the connecting cylinder, the external corner fitting comprises two groups of wing plates which are vertically arranged, the two groups of wing plates are respectively abutted with one side of the adjacent two groups of inner templates towards the connecting cylinder, and the main driving assembly drives four groups of external corner fittings to be simultaneously close to the connecting cylinder or simultaneously far away from the connecting cylinder, so that the expansion and contraction of the inner cylinder die can be realized.
Drawings
Fig. 1 is a schematic view showing the overall structure of the elevator shaft when the outer cylinder mold and the inner cylinder mold are matched and poured.
Fig. 2 is a schematic view showing the internal structure of the elevator shaft when the outer cylinder mold and the inner cylinder mold are matched and poured.
Fig. 3 is a schematic structural view for illustrating an outer barrel mold according to an embodiment of the present application.
FIG. 4 is a schematic view of an embodiment of the present application illustrating the configuration of the inner barrel mold as it expands.
Fig. 5 is a schematic structural view of an embodiment of the present application illustrating shrinkage of an inner barrel mold.
Fig. 6 is an enlarged schematic view of the portion a in fig. 2.
Fig. 7 is an enlarged schematic view of the portion B in fig. 2.
Fig. 8 is an enlarged schematic view of the portion C in fig. 2.
Reference numerals illustrate:
1. building; 11. an elevator shaft; 12. a door opening; 13. reserving a clamping hole; 2. an outer cylinder mold; 20. a first reserved port; 21. an outer template; 22. an annular plate; 3. an inner cylinder mold; 31. a connecting cylinder; 311. an annular support plate; 32. an inner template; 320. a second reserved port; 321. a sleeve; 322. a limit rod; 323. a first elastic member; 33. a counter-pulling screw; 34. a frame; 35. a connecting rod; 351. a roller; 36. a secondary drive assembly; 361. an extension rod; 362. a third elastic member; 363. an annular limiting plate; 364. a secondary cone; 37. forming a block by the reserved hole; 38. a sub-driving member; 4. a lifting assembly; 41. a bracket; 42. a hoist; 5. a stretching and shrinking mechanism; 51. yang Jiaojian; 511. a wing plate; 52. a main drive assembly; 521. a main driving member; 522. a slide bar; 523. a main cone; 524. and a second elastic member.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-8.
The embodiment of the application discloses an integrated self-climbing elevator shaft model structure and a construction method thereof.
Referring to fig. 1 and 2, an integrated self-climbing elevator shaft mold structure comprises an inner cylinder mold 3, an outer cylinder mold 2 and a lifting assembly 4; the outer cylinder mould 2 is positioned at the periphery of the inner cylinder mould 3, and the outer cylinder mould 2 and the inner cylinder mould 3 are matched to form a mould cavity for pouring concrete; the lifting assembly 4 is positioned at the top of the building 1, the lifting assembly 4 is connected with the inner cylinder mould 3, and the lifting assembly 4 is used for driving the inner cylinder mould 3 to lift along the vertical direction; the inner cylinder mould 3 is also internally provided with a stretching mechanism 5 for driving the inner cylinder mould 3 to stretch.
Referring to fig. 3, the outer cylinder mold 2 includes four sets of outer mold plates 21, and the four sets of outer mold plates 21 are rectangular in distribution; the sides of the adjacent two sets of outer templates 21, which are close to each other, are abutted against each other.
Referring to fig. 2 and 5, the inner cylinder mold 3 includes a connecting cylinder 31 and four sets of inner templates 32 uniformly erected on the periphery of the connecting cylinder 31, the four sets of inner templates 32 are distributed in a rectangular shape, and spaces are reserved between two adjacent sets of inner templates 32, one side of the inner templates 32 facing the connecting cylinder 31 is vertically and fixedly connected with a sleeve 321, one end of the sleeve 321, far from the connecting cylinder 31, is coaxially and slidably inserted with a limiting rod 322, one end of the limiting rod 322, far from the sleeve 321, is connected with the connecting cylinder 31, a first elastic member 323 is arranged between the inner templates 32 and the connecting cylinder 31, in this embodiment, the first elastic member 323 is a spring, the first elastic member 323 is coaxially sleeved on the limiting rod 322, two ends of the first elastic member 323 are fixedly connected with one end of the sleeve 321 facing the connecting cylinder 31 and the periphery of the connecting cylinder 31, and the driving force is given to the inner templates 32, near the connecting cylinder 31.
Referring to fig. 2 and 6, the expanding and contracting mechanism 5 includes an external corner piece 51 disposed between adjacent inner templates 32, the external corner piece 51 includes two sets of flanges 511 disposed vertically, the two sets of flanges 511 are respectively parallel to the adjacent two sets of inner templates 32, and the two sets of flanges 511 respectively abut against one side of the adjacent two sets of inner templates 32 facing the connecting cylinder 31; the expanding and contracting mechanism 5 further comprises a main driving assembly 52 provided on the connecting cylinder 31 for driving the four sets of male corner pieces 51 simultaneously closer to the connecting cylinder 31 or simultaneously farther from the connecting cylinder 31. The main driving assembly 52 includes a sliding rod 522 fixedly connected to a side of the external corner member 51 facing the connecting cylinder 31, one end of the sliding rod 522 away from the external corner member 51 is penetrated through the periphery of the connecting cylinder 31, the axial direction of the sliding rod 522 is perpendicular to the axial direction of the connecting cylinder 31, a second elastic member 524 is coaxially sleeved on the outer side Zhou Jun of the sliding rod 522, in this embodiment, the second elastic member 524 is a spring, two ends of the second elastic member 524 are respectively fixedly connected to the external corner member 51 and a side opposite to the connecting cylinder 31, and the second elastic member 524 gives the external corner member 51 a driving force close to the connecting cylinder 31.
Referring to fig. 2 and 4, the main driving assembly 52 further includes a main cone 523 coaxially mounted in the connecting barrel 31, the tip of the main cone 523 faces downward, a main driving member 521 for driving the main cone 523 to lift in a vertical direction is further disposed in the connecting barrel 31, the main driving member 521 is located above the main cone 523, in this embodiment, the main driving member 521 is an air cylinder, and a piston rod end of the air cylinder is fixedly connected with a top end face of the main cone 523. One end of the four sets of sliding rods 522 far away from the external corner piece 51 is abutted with the outer end of the main cone 523.
Referring to fig. 2 and 5, through the above arrangement, when the main driving member 521 drives the main cone member 523 to move downward, the main cone member 523 drives the external corner member 51 to move away from the connecting cylinder 31 through the slide bar 522, and in the moving process of the external corner member 51, the adjacent internal mold plates 32 are driven to move away from the connecting cylinder 31, so as to realize the opening of the internal mold 3, when the main driving member 521 drives the main cone member 523 to move upward, the four external corner members 51 are driven by the respective second elastic members 524 to move toward the connecting cylinder 31, and at this time, the four internal mold plates 32 are driven by the respective first elastic members 323 to move toward the direction close to the connecting cylinder 31, so as to realize the shrinkage of the internal mold 3; so that the inner cylinder mould 3 can be more simple and convenient to expand and contract.
Referring to fig. 6 and 7, two sets of opposite inner templates 32 of the inner cylinder mold 3 are respectively provided with a preformed hole forming block 37 in a sliding manner, the preformed hole forming blocks 37 are positioned at the top of the inner templates 32, the connecting cylinder 31 is provided with two sets of auxiliary driving members 38 corresponding to the two sets of preformed hole forming blocks 37, and the auxiliary driving members 38 are used for driving the corresponding preformed hole forming blocks 37 to extend out of the inner templates 32 or retract into the inner templates 32; in this embodiment, the sub-driver 38 is a cylinder, and a piston rod of the cylinder is fixedly connected to one end of the preformed hole forming block 37 toward the connecting cylinder 31. When the inner cylinder mold 3 is opened, the preformed hole forming block 37 is extended out of the inner mold plate 32 by the auxiliary driving member 38, and the preformed hole forming block 37 is used for forming the preformed clamping hole 13 of the poured elevator shaft 11.
Referring to fig. 2 and 8, the bottom end of the connecting tube 31 is further fixed with a frame 34, the frame 34 is located outside the inner tube mold 3, two opposite sides of the frame 34 are horizontally and slidably connected with connecting rods 35, two groups of connecting rods 35 are in one-to-one correspondence with two groups of preformed hole forming blocks 37, the length direction of the connecting rods 35 is parallel to the sliding direction of the preformed hole forming blocks 37, and the connecting tube 31 is further provided with an auxiliary driving assembly 36 for driving the two groups of connecting rods 35 to be far away from each other and close to each other. The rollers 351 are mounted at the ends of the two sets of connecting rods 35 which are far from each other, and the rotation axis direction of the rollers 351 is perpendicular to the axis direction of the connecting cylinder 31.
Referring to fig. 2 and 8, the secondary driving assembly 36 includes an extension rod 361 coaxially fixed to the bottom end of the main cone 523, a secondary cone 364 is coaxially and fixedly connected to one end of the extension rod 361 away from the main cone 523, the tip of the secondary cone 364 faces downward, the secondary cone 364 is located in the frame 34, and two sets of connecting rods 35 are abutted to the outer periphery of the secondary cone 364 at the ends close to each other. When the inner cylinder mould 3 moves to the next pouring station, the rollers 351 on the two groups of connecting rods 35 are respectively opposite to the two groups of reserved clamping holes 13 in the poured elevator shaft 11.
Referring to fig. 2 and 8, the auxiliary driving assembly 36 further includes an annular limiting plate 363 circumferentially fixed on the connecting rod 35, the annular limiting plate 363 is located at one end of the connecting rod 35 extending out of the frame 34, and a third elastic member 362 is sleeved on the connecting rod 35, in this embodiment, the third elastic member 362 is a spring, two ends of the third elastic member 362 in the length direction are fixedly connected with the frame 34 and one side of the annular limiting plate 363, where the two ends of the third elastic member 362 are close to each other, and the third elastic member 362 gives a driving force to the annular limiting plate 363 close to the frame 34. When the third elastic member 362 is in the initial state, the rollers 351 on the two sets of connecting rods 35 respectively abut against the two opposite inner side walls of the elevator shaft 11 after the casting. Facilitating movement of inner sleeve 321 within the poured elevator hoistway 11 under the drive of lifting assembly 4.
Referring to fig. 1 and 2, the lifting unit 4 includes a bracket 41 fixed to the top of the building 1 and a hoist 42 mounted on the bracket 41, and two sets of connection ropes of the hoist 42 are fixedly connected to the distal end portions of the connection cylinders 31, respectively. Lifting of the connecting cylinder 31 is achieved by winding and unwinding the connecting rope through the winch 42, so that lifting of the inner cylinder mould 3 is simpler and more convenient.
With reference to fig. 1 and 2, by the above arrangement, when the lifting assembly 4 moves the inner cylinder mold 3 to the next pouring station, the main driving member 521 is utilized to drive the main cone member 523 to move downward, and the main cone member 523 drives the four sets of external corner members 51 to be simultaneously far away from the connecting cylinder 31, so as to realize the opening of the inner cylinder mold 3; the main cone 523 moves downwards together with the auxiliary cone 364, so that the two groups of connecting rods 35 are driven to be far away from each other, the rollers 351 on the two groups of connecting rods 35 can be inserted into the reserved clamping holes 13 of the poured elevator shaft 11, the limit of the inner cylinder mould 3 is realized, and the subsequent concrete can be better formed in the mould cavity formed by the inner cylinder mould 3 and the outer cylinder mould 2. After the elevator shaft 11 is poured, the main cone is driven to move upwards through the main driving piece 521, and then the four groups of external corner pieces 51 are driven to move towards the connecting cylinder 31, so that the four groups of internal templates 32 can move towards the direction close to the connecting cylinder 31 under the action of the first elastic piece 323, the shrinkage of the internal cylinder mould 3 is realized, when the main driving piece 521 drives the main cone piece 523 to move upwards, the main cone piece 523 drives the auxiliary cone piece 364 to move upwards together, the two groups of connecting rods 35 are mutually close under the action of the respective third elastic pieces 362, and the rollers 351 on the two groups of connecting rods 35 are moved out of the reserved clamping holes 13 of the poured elevator shaft 11, so that the lifting assembly 4 drives the internal cylinder mould 3 to lift.
Referring to fig. 3 and 4, a first reserved opening 20 is formed in one group of outer templates 21 of the outer cylinder mould 2, a second reserved opening 320 is formed in one group of inner templates 32 of the inner cylinder mould 3, the first reserved opening 20 and the second reserved opening 320 are the same in size and are oppositely arranged, an annular plate 22 is fixedly connected to one side, facing the corresponding inner templates 32, of the outer templates 21, of the first reserved opening 20, the annular plate 22 surrounds the first reserved opening 20, when the inner cylinder mould 3 is opened to a limiting state, one end, far away from the outer templates 21, of the annular plate 22 is abutted against the corresponding inner templates 32, through the arrangement, the outer periphery of the elevator shaft 11 poured by the aid of the first reserved opening 20, the second reserved opening 320 and the annular plate 22 can form a door opening 12, and the door opening 12 of the elevator shaft 11 can be formed more simply and conveniently.
Referring to fig. 6, four sets of outer formworks 21 and four sets of inner formworks 32 are in one-to-one correspondence, and a plurality of pairs of pull screws 33 are detachably connected between the corresponding outer formworks 21 and the corresponding inner formworks 32, so that subsequent concrete can be better molded in a mold cavity formed by the outer cylinder mold 2 and the inner cylinder mold 3 through the arrangement.
Referring to fig. 6 and 7, an annular support plate 311 is further coaxially fixed to the outer periphery of the bottom end of the connecting cylinder 31, and by providing the annular support plate 311, it is convenient for a constructor to enter the inner die plate 32 to mount the counter screw 33 between the inner die 3 and the outer die 2.
Referring to fig. 1 and 2, a construction method of an integrated self-climbing elevator shaft 11 formwork structure includes the following steps:
step one: binding a reinforcing steel bar net of the elevator shaft 11;
step two: the inner cylinder mould 3 is driven to shrink to a limit state through the stretching mechanism 5; when the inner cylinder mold 3 is contracted, the main driving piece 521 drives the main conical piece 523 to move upwards, and the four sets of external corner pieces 51 move towards the direction approaching the connecting cylinder 31 under the action of the respective second elastic pieces 524, so that the four sets of inner templates 32 move towards the connecting cylinder 31 under the action of the respective second elastic pieces 524, and the contraction of the inner templates 32 is realized.
Step three: moving the inner cylinder mould 3 to a new pouring station of the elevator shaft 11 through a lifting structure; and simultaneously spraying release agents on the inner cylinder mould 3 and the outer cylinder mould 2.
Step four: the inner cylinder membrane is expanded to a limit state through the expanding and contracting mechanism 5; when the inner templates 32 are opened, the main driving piece 521 drives the main conical piece 523 to move downwards, so that the four sets of external corner pieces 51 simultaneously move towards the direction away from the connecting cylinder 31, and further the four sets of inner templates 32 are simultaneously driven to move towards the direction away from the connecting cylinder 31, so that the inner templates 32 are opened.
Step five: setting up an outer cylinder mould 2; after the outer cylinder mold 2 is set up, split bolts are installed between the corresponding outer die plate 21 and inner die plate 32.
Step six: pouring concrete into a die cavity between the outer cylinder die 2 and the inner cylinder die to form an elevator shaft 11, and curing; it should be noted that, after the concrete pouring is completed, the concrete should be vibrated in time to reduce the occurrence of honeycomb pitting in the subsequent elevator shaft 11.
Step seven: dismantling the outer cylinder mould 2 after the maintenance of the elevator shaft 11 is completed;
step eight: the steps one to seven are repeated until the casting of all the elevator shafts 11 is completed. The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. An integrated self-climbing elevator shaft mold structure comprises an inner cylinder mold (3), an outer cylinder mold (2) and a lifting assembly (4); the inner cylinder mould (3) is positioned at the inner periphery of the outer cylinder mould (2), and the inner cylinder mould (3) is matched with the outer cylinder mould (2) to form a mould cavity for pouring the elevator shaft (11); the method is characterized in that: the outer cylinder mould (2) is formed by splicing four groups of outer templates (21) which are distributed in a rectangular mode; a stretching mechanism (5) for driving the inner cylinder mould (3) to stretch is arranged in the inner cylinder mould (3); the lifting assembly (4) is positioned at the top of the building (1), the lifting assembly (4) is connected with the inner cylinder mould (3), and the lifting assembly (4) is used for driving the inner cylinder mould (3) to lift along the vertical direction;
the inner cylinder mould (3) comprises a connecting cylinder (31) and four groups of inner templates (32) erected on the periphery of the connecting cylinder (31), the four groups of inner templates (32) are distributed in a rectangular shape, spaces are reserved between every two adjacent groups of inner templates (32), the inner templates (32) are connected with the connecting cylinder (31) through first elastic pieces (323), and the first elastic pieces (323) give driving force to the inner templates (32) close to the connecting cylinder (31); the expansion mechanism (5) comprises Yang Jiaojian (51) arranged between two adjacent groups of inner templates (32), the Yang Jiaojian (51) comprises two groups of wing plates (511) which are vertically arranged, the two groups of wing plates (511) are respectively parallel to the two adjacent inner templates (32), and the two groups of wing plates (511) are respectively abutted with one side, facing the connecting cylinder (31), of the two adjacent inner templates (32); the expanding mechanism (5) further comprises a main driving assembly (52) arranged on the connecting cylinder (31), wherein the main driving assembly (52) is used for driving the four groups of external corner pieces (51) to be away from the connecting cylinder (31) at the same time or to be close to the connecting cylinder (31) at the same time;
the main driving assembly (52) comprises a sliding rod (522) arranged on one side, facing the connecting cylinder (31), of the Yang Jiaojian (51), one end, far away from the Yang Jiaojian (51), of the sliding rod (522) is penetrated through the connecting cylinder (31), the main driving assembly (52) further comprises a main conical part (523) coaxially arranged in the connecting cylinder (31), the tip end of the main conical part (523) is downwards arranged, and the connecting cylinder (31) is further provided with a main driving part (521) for driving the main conical part (523) to lift along the axis of the main driving part; the slide bar (522) stretch into in connecting cylinder (31) one end all with main cone (523) periphery butt, slide bar (522) periphery still overlaps and is equipped with second elastic component (524), second elastic component (524) both ends are connected with connecting cylinder (31) and external corner fitting (51) respectively, second elastic component (524) give Yang Jiaojian (51) and are close to the driving force of connecting cylinder (31).
2. The integrated self-climbing elevator shaft pattern structure according to claim 1, wherein: two groups of opposite inner templates (32) of the inner cylinder mould (3) are respectively provided with a reserved hole forming block (37) in a sliding way, the connecting cylinder (31) is provided with two groups of auxiliary driving pieces (38) corresponding to the two groups of reserved hole forming blocks (37), and the auxiliary driving pieces (38) are used for driving the corresponding reserved hole forming blocks (37) to slide; when the auxiliary driving piece (38) drives the sliding block to extend out of the inner template (32), the reserved hole forming block (37) enables the inner periphery of the poured elevator shaft (11) to form a reserved clamping hole (13); the bottom of the connecting cylinder (31) is provided with a rack (34), the rack (34) is horizontally and slidably connected with two groups of connecting rods (35) corresponding to two groups of preformed hole forming blocks (37), one ends, far away from each other, of the two groups of connecting rods (35) are respectively connected with a roller (351) in a rolling manner, the axial direction of the rollers (351) is perpendicular to the axial direction of the connecting cylinder (31), and the connecting cylinder (31) is further provided with an auxiliary driving assembly (36) for driving the two groups of connecting rods (35) to be far away from each other and close to each other; when the inner cylinder mould (3) moves to the next pouring station, the rollers (351) on the two groups of connecting rods (35) are respectively opposite to the two groups of reserved clamping holes (13) on the inner periphery of the poured elevator shaft (11) one by one.
3. The integrated self-climbing elevator shaft pattern structure according to claim 2, wherein: the auxiliary driving assembly (36) comprises an extension rod (361) coaxially connected to the bottom of the main cone (523), an auxiliary cone (364) is coaxially arranged at the bottom end of the extension rod (361), the tip end of the auxiliary cone (364) faces downwards, and one sides, close to each other, of the two groups of connecting rods (35) are abutted to the periphery of the auxiliary cone (364); the connecting rod (35) periphery is still overlapped and is fixed with annular limiting plate (363), vice drive assembly (36) still including the cover establish third elastic component (362) at connecting rod (35) periphery, third elastic component (362) both ends are connected with one side that annular limiting plate (363) and frame (34) are close to each other respectively, works as when third elastic component (362) are in initial state, gyro wheel (351) of connecting rod (35) tip and the inner periphery butt of elevator shaft (11) that has been pour completion.
4. The integrated self-climbing elevator shaft pattern structure according to claim 1, wherein: a group of outer templates (21) in the outer cylinder mould (2) and a group of inner templates (32) in the inner cylinder mould are respectively provided with a first reserved opening (20) and a second reserved opening (320), the first reserved opening (20) and the second reserved opening (320) are oppositely arranged and are the same in size, one side, facing the inner templates (32), of the outer templates (21) of the first reserved opening (20) is further provided with an annular plate (22), the annular plate (22) is arranged around the first reserved opening (20), and when the inner cylinder mould (3) is opened to a limit state, one end, far away from the outer templates (21), of the annular plate (22) is in butt connection with the inner templates (32).
5. The integrated self-climbing elevator shaft pattern structure according to claim 4, wherein: the four groups of outer templates (21) are in one-to-one correspondence with the four groups of inner templates (32), and split bolts are detachably connected between the outer templates (21) and the corresponding inner templates (32).
6. The construction method of an integrated self-climbing elevator shaft pattern structure according to any one of claims 1 to 5, wherein: the method comprises the following steps:
step one: binding a reinforcing steel bar net of the elevator shaft (11);
step two: the inner cylinder mould (3) is driven to shrink to a limit state through the stretching mechanism (5);
step three: moving the inner cylinder mould (3) to a new pouring station of the elevator shaft (11) through a lifting structure; spraying a release agent on the inner cylinder mould (3) and the outer cylinder mould (2);
step four: the inner cylinder membrane is expanded to a limit state through the expanding and contracting mechanism (5);
step five: setting up an outer cylinder mould (2);
step six: pouring concrete into a mold cavity between the outer cylinder mold (2) and the inner cylinder mold to form an elevator shaft (11), and curing;
step seven: dismantling the outer cylinder mould (2) after the maintenance of the elevator shaft (11) is completed;
step eight: repeating the steps one to seven until pouring of all the elevator shafts (11) is completed.
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