CN115492369A - Integral variable cross-section hollow pier creeping formwork - Google Patents
Integral variable cross-section hollow pier creeping formwork Download PDFInfo
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- CN115492369A CN115492369A CN202211361391.0A CN202211361391A CN115492369A CN 115492369 A CN115492369 A CN 115492369A CN 202211361391 A CN202211361391 A CN 202211361391A CN 115492369 A CN115492369 A CN 115492369A
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- upper frame
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
- E04G11/28—Climbing forms, i.e. forms which are not in contact with the poured concrete during lifting from layer to layer and which are anchored in the hardened concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
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Abstract
The invention discloses an integral variable cross-section hollow pier creeping formwork, and belongs to the technical field of creeping formwork devices. Comprises a plurality of climbing frame structures which are arranged around the circumference of the hollow pier; the plurality of climbing frame structures comprise inner templates, outer templates, climbing formwork upper frame bodies and climbing formwork lower frame bodies, and the inner templates and the outer templates are arranged face to face; the outer template is connected with the upper frame body of the creeping formwork and can slide on the upper frame body of the creeping formwork along a first direction; the climbing formwork upper frame body is arranged at the top end of the climbing formwork lower frame body in a sliding mode and can slide along a second direction at the top end of the climbing formwork lower frame body; the climbing formwork upper frame body and/or the climbing formwork lower frame body are/is fixed with an anti-falling rod; the anti-falling rod of any one climbing frame structure is arranged in a sliding mode with the anti-falling rod of the adjacent climbing frame structure through the first connecting piece, and the anti-falling rod can slide along the length direction of the anti-falling rod. According to the invention, the anti-falling rods are arranged to connect the plurality of climbing frame structures together to form an integral structure, so that the safety is improved, the size of the integral template is adjusted by utilizing the movable outer template, and the construction efficiency and the adjustment convenience are improved.
Description
Technical Field
The invention relates to the technical field of creeping formwork devices, in particular to an integral variable-section hollow pier creeping formwork.
Background
When using hydraulic climbing mould to construct hollow mound now, all adopt split type hydraulic climbing mould in four sides usually, mutually independent between face and the face does not have the safeguard measure, if the awl structure of climbing of any one side goes wrong, the frame structure that climbs that will lead to this face appears falling, has certain safe risk.
Hollow mound is the four sides and receives the slope structure, in order to reach and receive the slope effect, need set up the regulation section in the template, assemble again after cutting out certain size template, perhaps use and assemble the structure for a complete template by a plurality of narrow strips, follow-up make the template size suitable through demolising the narrow strip, these two kinds of construction methods are consuming time more, can influence the construction progress, if use second kind of mode, then because the fritter template is too big in quantity, can lead to the construction joint on hollow mound surface more, its surface smoothness of difficult control.
Disclosure of Invention
The invention aims to provide an integral variable cross-section hollow pier creeping formwork, which is characterized in that a plurality of creeping frame structures are connected together by arranging a falling-preventing rod to form an integral structure, so that the safety is improved, the size of the integral formwork is adjusted by utilizing a movable outer formwork, and the construction efficiency and the adjustment convenience are improved.
The invention is realized by the following technical scheme:
an integral variable cross-section hollow pier creeping formwork comprises a plurality of creeping frame structures which are arranged in a surrounding manner along the circumferential direction of a hollow pier; the plurality of climbing frame structures comprise inner templates, outer templates, climbing formwork upper frame bodies and climbing formwork lower frame bodies, the inner templates and the outer templates are arranged face to face, the inner templates are positioned in the hollow piers, and the outer templates are positioned outside the hollow piers; one side of the outer template, which is far away from the inner template, is connected with the climbing formwork upper frame body, the outer template can slide on the climbing formwork upper frame body along a first direction, and the first direction is parallel to the plane of the outer template and is vertical to the climbing direction of the climbing formwork lower frame body; the upper frame body of the creeping formwork is arranged at the top end of the lower frame body of the creeping formwork in a sliding manner, the lower frame body of the creeping formwork is used for being connected with the hollow pier, the upper frame body of the creeping formwork can drive the outer formwork to slide at the top end of the lower frame body of the creeping formwork along a second direction, and the second direction is the direction of a perpendicular line of the plane where the outer formwork is located; the climbing formwork upper frame body and/or the climbing formwork lower frame body are/is fixed with an anti-falling rod; the anti-falling rod of any one climbing frame structure is arranged in a sliding mode with the anti-falling rod of the adjacent climbing frame structure through the first connecting piece, and the anti-falling rod can slide along the length direction of the anti-falling rod.
In the technical scheme, each climbing frame structure is provided with a falling-preventing rod, the falling-preventing rods are connected with the falling-preventing rods in a sliding manner, the hollow pier column starts to shrink along with the climbing of the climbing formwork, the falling-preventing rods can slide along with the climbing of the climbing formwork, and the frame structure formed by connecting the falling-preventing rods also starts to shrink; because the anti-falling rod connects a plurality of climbing frame structures into a whole, even if a climbing cone in any one climbing frame structure has a problem and falls off, a frame structure formed by the contracted anti-falling rod can be clamped on the hollow pier stud, so that the single-side climbing frame structure is prevented from directly falling; with the exterior sheathing that the support body slided and sets up on the climbing formwork, can follow the first direction and remove, a plurality of exterior sheathing homoenergetic remove, along with subsequent climbing of climbing formwork and the slope of receiving of hollow mound, the exterior sheathing after the removal can splice again and form new template structure, adapts to the hollow mound size of receiving behind the slope, and the exterior sheathing is adjusted conveniently, need not demolish the step to also not form by the concatenation of a plurality of narrow strips, the phenomenon that the construction joint is more, surperficial unevenness can not appear.
Further, the surface that the inner formword was kept away from to the exterior sheathing is provided with two at least back of the body stupefied along the first direction, its part back of the body stupefied rack that is provided with, the support body rotates through the second connecting piece on the creeping formwork and is connected with the gear, the gear can with rack toothing, wherein another part back of the body stupefied and creeping formwork on the support body can dismantle and be connected, during the concreting, the exterior sheathing is fixed through dismantling connection structure with last support body, avoid the offset of the position emergence of exterior sheathing, when needing to remove the exterior sheathing, connecting structure will dismantle and remove, the cooperation that utilizes rack and gear removes the exterior sheathing.
Further, the second connecting piece comprises a connecting shaft, an adjusting turntable, an adjusting plate, a lead screw and two nuts; the connecting shaft comprises an inner shaft and an outer sleeve, the outer sleeve is rotatably sleeved outside the inner shaft, one end of the inner shaft is fixedly connected with the gear, and the other end of the inner shaft is fixedly connected with the adjusting turntable; the adjusting plate is fixed on the climbing formwork upper frame body and provided with a through hole, the screw rod penetrates through the through hole, the end part of the screw rod is fixedly connected with the side wall of the outer sleeve, and the two nuts are sleeved outside the screw rod and are respectively positioned on two sides of the adjusting plate; the lead screw can be matched with the two nuts, so that the gear moves towards a direction close to or far away from the rack; the position between the screw rod and the adjusting plate is adjusted by controlling the positions of the two nuts on the screw rod, and the screw rod is adjusted to rise or fall, so that the height of the gear is changed, and the gear is meshed with or far away from the rack; when the outer formwork is required to be controlled to move, the gear is meshed with the rack, when the outer formwork is not required, the height of the gear and the height of the rack are reduced, and the phenomenon that the adjusting turntable is touched by mistake in the construction process is avoided.
Furthermore, the first connecting piece comprises a base plate and two connecting frames, the two connecting frames are respectively fixed on two sides of the base plate, the connecting frames are used for being sleeved outside the anti-falling rods, the anti-falling rods are sleeved through the connecting frames, sliding of the anti-falling frames is facilitated, and meanwhile, the connecting effect between the two adjacent anti-falling rods cannot be influenced.
Furthermore, one side of the connecting frame, which is far away from the substrate, is provided with an opening, and a certain allowance is reserved on the whole connecting frame.
Further, still include a top supporting beam, the top supporting beam erects between the support body on a plurality of creeping formwork, it is provided with a plurality of supports and a plurality of interior template hoisting structure to slide on the supporting beam of top, support body one-to-one sets up on a plurality of supports and a plurality of creeping formwork, a plurality of interior template hoisting structure and a plurality of interior template one-to-one set up, the support is fixed to be set up with the creeping formwork who corresponds, the support can remove along the second direction that corresponds the exterior sheathing on the supporting beam of top, interior template hoisting structure sets up with the interior template that corresponds is fixed, interior template hoisting structure can remove along the second direction that corresponds the exterior sheathing on the supporting beam of top, interior template hoisting structure can drive the interior template and rise.
Further, the inner formwork hoisting structure comprises a driving device and a steel wire rope; the steel wire rope is connected between the inner formwork and the top supporting beam, the steel wire rope is connected with the top supporting beam in a sliding mode, and the steel wire rope is detachably connected with the inner formwork; the driving device is installed on the steel wire rope and used for contracting the length of the steel wire rope between the top supporting beam and the inner template, the length of the steel wire rope is shortened, and the inner template rises.
Further, the driving device is an electric hoist.
Furthermore, when the falling-preventing rods are four or more, the two falling-preventing rods which are arranged face to face are connected through the third connecting piece, and the stability of a frame structure formed by the falling-preventing rods is improved.
Further, the third connecting piece comprises a counter-pulling screw rod and a steel wire rope; when the climbing formwork climbs, the steel wire rope is sleeved between two anti-falling rods arranged face to face, a manual hoist or an electric hoist is connected between two end parts of the steel wire rope, and the length of the steel wire rope is shortened along with climbing of the climbing formwork by the manual hoist or the electric hoist, so that a frame structure formed by the anti-falling rods is kept stable; when the climbing formwork does not climb, the opposite-pulling screw rods are fixedly arranged between the two anti-falling rods which are arranged face to face.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the climbing frame structure, the falling-preventing rods are arranged in each climbing frame structure, the falling-preventing rods can be connected to form the frame structure, the climbing frame structures are connected into a whole, the frame structure can also shrink after the hollow pier begins to shrink along with climbing of a climbing formwork, when a climbing cone of any climbing frame structure has a problem and falls, the falling climbing frame structure can be supported by the climbing frame structure connected with the climbing frame structure, the frame structure after shrinking can be clamped on the surface of the hollow pier, continuous falling is avoided, and the safety of the whole is improved.
2. According to the invention, the outer formwork and the climbing formwork upper frame body are arranged in a sliding mode, the outer formwork can slide on the climbing formwork upper frame body along the first direction, along with the slope retraction of the hollow pier, the size of the spliced outer formworks is controlled through the sliding of the outer formwork and corresponds to the size of the hollow pier after slope retraction, the outer formwork is convenient to adjust, operations such as dismantling are not needed, the construction efficiency is improved, and the outer formwork is of an integral structure and is not formed by splicing a plurality of narrow strips, so that the phenomena of more construction joints and uneven surface can be avoided.
3. According to the climbing formwork, the top supporting beam is arranged to connect the inner formwork with the upper frame body of the climbing formwork, after a section of concrete is poured, the inner formwork can be driven to climb only by using the inner formwork hoisting structure, the inner formwork does not need to be dismounted in the prior art, the inner formwork is mounted after the climbing formwork climbs in place, repeated dismounting and mounting are not needed, the construction efficiency is improved, and safety problems in the process of dismounting and mounting the inner formwork are avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or in the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a side view of a climbing frame structure and a hollow pier provided by an embodiment of the invention;
FIG. 2 is a top view of an outer form provided by an embodiment of the present invention;
FIG. 3 is a schematic diagram of an outer template adjustment provided by an embodiment of the present invention;
FIG. 4 is a perspective view of an adjusting structure of an outer form according to an embodiment of the present invention;
FIG. 5 is a side view of an outer form adjustment structure provided by an embodiment of the present invention;
FIG. 6 is a schematic view of a detachable connection structure for an outer form according to an embodiment of the present invention;
FIG. 7 is a schematic view of a frame structure formed by enclosing a plurality of anti-drop rods according to an embodiment of the present invention;
FIG. 8 is a schematic view of a first connector and crash bar combination according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a first connecting member according to an embodiment of the present invention;
fig. 10 is a first climbing schematic diagram of a climbing frame structure according to an embodiment of the present invention;
fig. 11 is a climbing schematic diagram of a climbing frame structure according to an embodiment of the present invention.
In the drawings: 100-hollow pier, 110-inner formwork, 120-outer formwork, 121-back ridge, 122-rack, 130-climbing formwork upper frame body, 131-gear, 140-climbing formwork lower frame body, 150-anti-falling rod, 160-top supporting beam, 161-support, 200-first connecting piece, 210-base plate, 220-connecting frame, 300-second connecting piece, 310-connecting shaft, 320-adjusting turntable, 330-adjusting plate, 340-lead screw, 350-nut, 410-driving device, 420-steel wire rope, 510-split screw, 610-fastener, 620-butterfly fastener, 710-formwork operating platform, 720-concrete operating platform, 730-steel bar binding platform, 740-inner formwork operating platform, 810-modified hanging platform, 820-hydraulic operating platform and 830-formwork backward moving platform.
Detailed Description
The following description provides many different embodiments, or examples, for implementing different features of the invention. The particular examples set forth below are illustrative only and are not intended to be limiting.
The embodiment provides an integral variable cross-section hollow pier creeping formwork, which is shown in fig. 1 to 11 and comprises a plurality of creeping frame structures arranged around the circumference of a hollow pier 100; generally, the hollow pier 100 has four construction surfaces, each of which is provided with one climbing frame structure, and a plurality of climbing frame structures are the same, but have different sizes due to different sizes of the construction surfaces.
The climbing frame structure specifically comprises an inner template 110, an outer template 120, a climbing formwork upper frame body 130 and a climbing formwork lower frame body 140, wherein the inner template 110 and the outer template 120 are both templates for concrete pouring, and the climbing formwork upper frame body 130 and the climbing formwork lower frame body 140 are both arranged outside the hollow pier 100 and are main structures of the hydraulic climbing formwork; the inner formwork 110 and the outer formwork 120 are arranged face to face, the inner formwork 110 is located inside the hollow pier 100, and the outer formwork 120 is located outside the hollow pier 100; one side of the outer template 120, which is far away from the inner template 110, is connected with the climbing formwork upper frame body 130, the outer template 120 can slide on the climbing formwork upper frame body 130 along a first direction, and the first direction is parallel to the plane of the outer template 120 and is perpendicular to the climbing direction of the climbing formwork lower frame body 140; the climbing formwork upper frame body 130 is arranged at the top end of the climbing formwork lower frame body 140 in a sliding mode, the climbing formwork lower frame body 140 is used for being connected with the hollow pier 100 to achieve a climbing effect, the climbing formwork upper frame body 130 can drive the outer formwork 120 to slide at the top end of the climbing formwork lower frame body 140 along a second direction, the second direction is the perpendicular line direction of the plane of the outer formwork 120, the climbing formwork upper frame body 130 moves at the top end of the climbing formwork lower frame body 140 mainly for achieving demolding of the outer formwork 120, a gap is reserved between the outer formwork 120 and poured concrete, and friction between the outer formwork 120 and the poured concrete in the climbing process is avoided; the anti-falling rod 150 is fixed on the climbing formwork upper frame body 130 and/or the climbing formwork lower frame body 140; the anti-falling rod 150 of any one of the climbing frame structures is arranged in a sliding mode with the anti-falling rod 150 of the adjacent climbing frame structure through the first connecting piece 200, the anti-falling rod 150 can slide along the length direction of the anti-falling rod, the anti-falling rods 150 which are connected enable a plurality of climbing frame structures to form an integral structure, and the anti-falling rods 150 of the plurality of climbing frame structures which are arranged in a surrounding mode can also be arranged in a surrounding mode to form a frame structure.
The frame structure cover is established outside hollow mound 100, because prevent weighing down pole 150 and prevent weighing down to be sliding connection between the pole 150, along with climbing of creeping formwork, hollow mound 100 receive the slope, frame structure also can begin to shrink, if the condition that unstable or became invalid appears in climbing the awl of the frame structure of climbing of arbitrary construction face, the frame structure that leads to this one side appears the condition that weighs down, because prevent weighing down pole 150's connection, can prevent the whereabouts of frame structure, and, frame structure after the shrink can block on hollow mound 100 surface, further prevent the whereabouts of frame structure.
The outer form 120 moves in a first direction on the upper frame 130 of the climbing formwork, as shown in fig. 2 and 3, the plurality of outer forms 120 can move, the moved outer form 120 is partially suspended in the air, after climbing by the climbing formwork, due to the slope structure of the hollow pier 100, the moved outer forms 120 can be assembled together again to fit the required cross-sectional size of the hollow pier 100, the outer form 120 in this embodiment is an integral plate structure, the required size of the outer form 120 is changed by directly moving the position of the outer form 120, in the prior art, a certain number of outer forms 120 are cut and then assembled again, the construction is troublesome, the efficiency is low, or the outer form 120 is assembled into an integral form by a plurality of outer forms 120, but there are many construction joints in this direction and the surface is not flat, and by using the movable outer form 120 provided in this embodiment, the efficiency can be improved while the reuse is possible, and there are also no many construction joints or surface is not flat.
The connecting structure of the outer formwork 120 and the upper frame body 130 of the climbing formwork is shown in fig. 4 and 5, the surface of the outer formwork 120, which is far away from the inner formwork 110, is provided with at least two back ridges 121 along a first direction, in practical implementation, the back ridges 121 are generally formed by splicing two channel steel back to back, in the at least two back ridges 121, a rack 122 is generally arranged at one back ridge 121, the rest back ridges 121 are detachably connected with the upper frame body 130 of the climbing formwork, and in other implementation situations, the rack 122 can be arranged behind the two back ridges 121; the gear 131 meshed with the rack 122 is rotatably connected to the upper frame body 130 of the climbing formwork through the second connecting piece 300, when the outer formwork 120 needs to be moved, the detachable connecting structure between the outer formwork 120 and the upper frame body 130 of the climbing formwork is detached, then the outer formwork 120 is driven to move through the rotating gear 131, and when the outer formwork 120 does not need to be moved, the outer formwork 120 and the upper frame body 130 of the climbing formwork are fixed.
The stupefied 121 on back of the body on the surface of exterior sheathing 120 generally sets up one about the interval one meter, and usually, the exterior sheathing 120 that 4.5 meters is high can set up 5 stupefied 121 on the back of the body, and wherein only one stupefied 121 on the back of the body adopts gliding direction to be connected with support body 130 on the creeping formwork, and remaining stupefied 121 on the back of the body is connected with support body 130 on the creeping formwork through dismantling connection structure.
In this embodiment, can dismantle connection structure who adopts in the engineering construction, as shown in fig. 6, including a lead screw, the lead screw is worn to establish on the creeping formwork in support body 130, lead screw one end is connected with fastener 610, fastener 610 has an opening, can directly block in the edge of channel-section steel, the other end is connected with butterfly buckle 620, through twisting move butterfly buckle 620 drive lead screw along its axis direction removal, make the front position of fastener 610 support tightly or leave the clearance with the channel-section steel, fastener 610 front end supports tightly the back with the channel-section steel, will fix the position of exterior sheathing 120, leave behind the clearance, the slip of exterior sheathing 120 of being convenient for.
The gear 131 is connected with the creeper upper frame body 130 through a second connecting member 300, the structure of the second connecting member 300 is shown in fig. 4 and 5, and the second connecting member 300 comprises a connecting shaft 310, an adjusting dial 320, an adjusting plate 330, a lead screw 340 and two nuts 350; the connecting shaft 310 comprises an inner shaft and an outer sleeve, the outer sleeve is rotatably sleeved outside the inner shaft, and the rotation of the inner shaft and the rotation of the outer sleeve cannot influence each other; one end of the inner shaft is fixedly connected with the gear 131, the other end of the inner shaft is fixedly connected with the adjusting turntable 320, the rotation of the gear 131 can be controlled by rotating the adjusting turntable 320, and the gear 131 can be operated conveniently; the adjusting plate 330 is fixed on the climbing formwork upper frame body 130, the adjusting plate 330 is a setting base of the second connecting piece 300, a through hole is formed in the adjusting plate 330, the lead screw 340 penetrates through the through hole, the lead screw 340 can freely move in the through hole along the axis direction, one end of the lead screw 340 is fixedly connected with the side wall of the outer sleeve, the height of the outer sleeve is controlled by controlling the position of the lead screw 340 in the through hole, and the two nuts 350 are sleeved outside the lead screw 340 and are respectively positioned on two sides of the adjusting plate 330; the lead screw 340 can cooperate with two nuts 350 to move the gear 131 toward or away from the rack 122; the positions of the nuts 350 on the screw 340 are adjusted, so that the two nuts 350 are respectively clamped on two sides of the adjusting plate 330, the relative positions of the screw 340 and the adjusting plate 330 are fixed, the height position of the gear 131 is fixed, whether the gear 131 is meshed with the rack 122 can be controlled by changing the positions of the two nuts 350 on the screw 340, when the outer formwork 120 needs to be moved, the position of the screw 340 is adjusted upwards, the gear 131 is meshed with the rack 122, when the outer formwork 120 does not need to be moved, the position of the screw 340 is adjusted downwards, the gear 131 is separated from the rack 122, and the adjusting turntable 320 is prevented from being touched by mistake in the construction process.
Adopt above-mentioned connection structure dismantled between outer formword 120 and the frame 130 on the climbing formwork, when above-mentioned connection structure dismantled fixed outer formword 120, the structure of outer formword 120 need not change, outer formword 120 can move arbitrary distance under the effect of gear 131 and rack 122, and whether need not consider outer formword 120 after the removal can also be connected with frame 130 on the climbing formwork, nevertheless it is fixed through the friction between fastener 610 and back arris 121 at this kind of connection structure, consequently need set up the structure of preventing the miscontact between rack 122 and the gear 131, avoid outer formword 120's removal maloperation.
The structure of the first connecting piece 200 between two adjacent anti-falling rods 150 is shown in fig. 7 to 9, the first connecting piece 200 comprises a base plate 210 and two connecting frames 220, the two connecting frames 220 are respectively fixed on two sides of the base plate 210, the connecting frames 220 are used for being sleeved outside the anti-falling rods 150, the anti-falling rods 150 are sleeved through the connecting frames 220, the anti-falling rods 150 can slide conveniently, meanwhile, the connecting effect between the two adjacent anti-falling rods 150 cannot be influenced, further, an opening is formed in one side, far away from the base plate 210, of the connecting frames 220, and a certain margin is left on the whole connecting frames 220.
In practical implementation, the anti-falling rod 150 is made of an i-steel structure, the corresponding connecting frame 220 is only required to be sleeved at one end of the i-steel, a limiting structure can be arranged on the connecting frame 220, a certain gap exists between the end of the i-steel and the substrate 210, positioning between the i-steel and the connecting frame 220 is facilitated, in order to facilitate production implementation, two identical connecting frames 220 and fixing plates connected with the connecting frame 220 can be directly arranged, the two fixing plates are fixed together according to a certain angle, and the first connecting piece 200 structure in the application can also be obtained, wherein the certain angle refers to an intersection angle between two adjacent anti-falling rods 150 and is generally 90 degrees.
When the falling prevention rods 150 are four or more, the two falling prevention rods 150 arranged face to face are connected through the third connecting member, so that the stability of the frame structure formed by the falling prevention rods 150 is improved.
The third connecting member includes a counter screw 510 and a wire rope; when the climbing formwork climbs, a steel wire rope is used, the steel wire rope is sleeved between two anti-falling rods 150 arranged face to face, a manual hoist or an electric hoist is connected between two end parts of the steel wire rope, and when a frame structure formed by the anti-falling rods 150 begins to shrink along with climbing of the climbing formwork, the length of the steel wire rope is shrunk by the manual hoist or the electric hoist, so that the frame structure formed by the anti-falling rods 150 is kept stable; when the creeping formwork does not climb, use to drawing screw rod 510, to drawing screw rod 510 fixed setting two that set up face to face prevent weighing down between the pole 150 for a plurality of frame construction that prevent weighing down the pole 150 and form are overall stable, and then make a plurality of overall structure that climb a structure and form stable.
In actual construction, the inner formwork 110 and the outer formwork 120 cannot climb together, so that the inner formwork 110 needs to be dismantled after concrete pouring of each formwork is completed, the inner formwork 110 is reinstalled after the climbing formwork climbs in place, and the construction efficiency is reduced by repeatedly dismantling and installing the inner formwork 110, and the safety risk in the process of dismantling and installing the inner formwork 110 is increased accordingly.
The structure of the top supporting beam 160 is as shown in fig. 1, generally, the top supporting beam 160 is set to be a cross-shaped structure, which corresponds to four construction surfaces of the hollow pier 100, the top supporting beam 160 is erected between the plurality of climbing formwork upper frame bodies 130, the number of the climbing formwork upper frame bodies 130 is the same as that of the climbing formwork structures, the top supporting beam 160 is slidably provided with a plurality of supports 161 and a plurality of inner formwork hoisting structures, the plurality of supports 161 and the plurality of climbing formwork upper frame bodies 130 are arranged in a one-to-one correspondence, the plurality of inner formwork hoisting structures and the plurality of inner formworks 110 are arranged in a one-to-one correspondence, the supports 161 and the corresponding climbing formwork upper frame bodies 130 are fixedly arranged, the supports 161 can move on the top supporting beam 160 along a second direction corresponding to the outer formworks 120, and when the climbing formwork upper frame bodies 130 move on the top end of the climbing formwork lower frame body 140, the supports 161 connected to the other end of the climbing formwork upper frame bodies 130 can also move on the top supporting beam 160; the inner formworks hoisting structure and the corresponding inner formworks 110 are fixedly arranged, the inner formworks hoisting structure can move on the top supporting beam 160 along the second direction corresponding to the outer formworks 120, demolding of the inner formworks 110 is achieved, and the inner formworks hoisting structure can drive the inner formworks 110 to ascend.
The inner template hoisting structure comprises a driving device 410 and a steel wire rope 420; the steel wire rope 420 is connected between the inner formwork 110 and the top supporting beam 160, the steel wire rope 420 is connected with the top supporting beam 160 in a sliding manner, and the steel wire rope 420 is detachably connected with the inner formwork 110; drive arrangement 410 installs on wire rope 420, drive arrangement 410 is used for contracting wire rope 420 length between top supporting beam 160 and the inner formword 110, wire rope 420 length shortens, the inner formword 110 rises, in this embodiment, drive arrangement 410 is electric block, when needing to promote inner formword 110, with electric block below, with the stupefied department fixed connection of wire rope 420 and inner formword 110's back, demolish the fixed pull rod of centre form, take off inner formword 110, remove wire rope 420 position on top supporting beam 160, make inner formword 110 keep away from the concrete after the completion of pouring, then utilize electric block and wire rope 420 to promote inner formword 110 whole.
In this embodiment, the climbing principle of the plurality of climbing frame structures is the same as that of the existing hydraulic climbing formwork, and climbing is completed by using climbing formwork rails, climbing cones, hydraulic equipment, an upper commutator, a lower commutator and other equipment, which are not described herein again; the sliding connection between the upper frame 130 and the lower frame 140 is also performed by the prior art, and therefore, the detailed description thereof is omitted.
The climbing process of the hydraulic climbing formwork is as shown in fig. 10 and 11, after each concrete pouring is completed, the whole upper frame body of the climbing formwork moves backwards to separate the outer formwork 120 from the concrete, the support 161 at the top of the upper frame body 130 of the climbing formwork slides outwards along the top supporting beam 160, then the whole frame body of the climbing formwork is jacked upwards to the next construction section position by using the hydraulic climbing formwork jacking device, the driving device 410 is lowered, the inner formwork 110 is fixed by using the steel wire rope 420, the inner formwork fixing pull rod is removed, the inner formwork 110 is taken down, the inner formwork 110 is hoisted to the next construction section position by using the driving device 410 and the steel wire rope 420, the whole upper frame body 130 of the climbing formwork is pushed to the concrete design position by using the formwork moving backwards device, and the inner formwork 110 and the outer formwork 120 are connected, fixed and furled by using the fastening pull rod to prepare for concrete pouring.
In specific implementation, as shown in fig. 1 and 10, the upper frame body 130 of the creeping formwork has a formwork operation platform 710, a concrete operation platform 720, a steel bar binding platform 730 and an internal formwork operation platform 740, and specifically, the upper frame body 130 of the creeping formwork includes a backward moving device, an inclination angle adjusting device, an inclined strut fixing rod, a platform beam, a protective screening connecting column, an upper frame body platform panel, an upper frame body external upright column and an upper frame body internal upright column.
The backward moving device of the climbing formwork upper frame body 130 is formed by assembling and welding steel plates with the thickness of 1cm, the whole climbing formwork upper frame body 130 can move back and forth on the track by utilizing the racks 122 and the pulleys, and the specific structure of the backward moving device is directly realized by adopting the backward moving device in the existing hydraulic climbing formwork; the inclination angle adjusting device is made of two steel rods with the diameter of 8cm and a steel sleeve with the diameter of 10cm, the outer portion of each steel rod and the inner portion of the steel sleeve are tapped to adjust the length of a stay bar, steel plates with the thickness of 2cm are welded at two ends of each steel rod, and holes with the diameter of 4cm are formed in the two ends of each steel rod; the diagonal bracing fixing rods are made of angle steel with the angle of 75 degrees, are used for reinforcing the frame body in a diagonal manner, ensure the rigidity of the upper frame body and are respectively welded on the outer stand columns of the upper frame body and the inner stand columns of the upper frame body; the platform cross beam is made of angle steel of less than 75 degrees and is respectively welded on the upper frame body outer upright column and the upper frame body inner upright column; the protective net connecting column is made of a steel pipe with the diameter of 4.8cm and is welded on the upright post outside the upper frame body; the upper frame body platform panel is made of a D10 steel bar net piece and a steel plate with the thickness of 3mm, and is laid and welded on the platform cross beam; the outer upright post of the upper frame body is formed by back-to-back assembly welding of double-limb 16-channel steel; the inner upright post of the upper frame body is made of 14 channel steel through back-to-back assembly welding.
Above-mentioned support body 130 structure on creeping formwork has reduced the width of support body 130 on the conventional hydraulic creeping formwork, has increased two-layer platform, need not to make in addition in the work progress, ann tears open reinforcing bar ligature construction platform, has avoided the problem that dismouting construction platform makes the efficiency of construction discount greatly repeatedly, and the safety risk improves.
The outer template 120 adopts a steel plate with the thickness of 6mm as a panel, the back of the outer template adopts a steel plate with the thickness of 1cm as a framework, 10 channel steel is adopted around the outer template as an edge sealing, and the whole back is welded and fixed with the outer template back edge 121; the outer template back edge 121 is made of double-limb 16-channel steel through back-to-back assembly welding and is welded and fixed with the upper frame body inner upright post.
The lower creeper body 140 of the creeping formwork is provided with a modifying hanging platform 810, a hydraulic operating platform 820 and a formwork backward moving platform 830, and specifically, the lower creeper body 140 of the creeping formwork comprises a hanging platform beam, a hanging platform panel, a hanging platform upright post, a hydraulic operating platform beam, a hydraulic operating platform inner upright post, a hydraulic operating platform distribution beam, a hydraulic operating platform panel, a hydraulic operating platform diagonal brace, a detachable creeping cone, a creeping cone hanging plate, a formwork backward moving platform 830 main beam, a lower frame body outer upright post and a formwork backward moving platform beam.
The cross beam of the hanging platform of the lower frame body 140 of the creeping formwork is made of Q235 square steel with the side length of 8cm and the wall thickness of 1cm, a hole with the diameter of 4cm is arranged at the connecting position, and a Cr40 bolt is adopted to be connected with the upright post of the hanging platform; the panel of the lifting platform is made by laying a 3mm pattern steel plate on a 10a channel steel serving as a distribution beam; the lifting platform upright column is made of Q235 square steel with the side length of 8cm and the wall thickness of 1cm, two ends of the lifting platform upright column are welded by adopting 1cm steel plates, holes with the diameter of 4cm are arranged, and the lifting platform upright column and the hydraulic operation platform upright column are respectively connected with a lifting platform cross beam and a hydraulic operation platform cross beam by adopting Cr40 bolts; the hydraulic operating platform beam is made of Q235 square steel with the side length of 8cm and the wall thickness of 1cm, a hole with the diameter of 4cm is formed in the connecting position, and Cr40 inserting pins are adopted to be respectively connected with the hanging platform upright column, the hydraulic operating platform inner upright column and the frame body outer upright column; the hydraulic operation platform inner upright column is formed by back-to-back assembly welding of double-limb 18 channel steel, the middle of the channel steel is spaced by 2cm, angle steel of 75 is adopted for connection every 80cm, the top of the channel steel is obliquely connected by a steel plate with the thickness of 2cm and is connected with the climbing cone hanging plate, and the lower end of the hydraulic operation platform inner upright column is provided with a hole with the diameter of 4cm and is connected with a hydraulic operation platform beam; the hydraulic operating platform distribution beam is made of 14 channel steel, and is tiled and welded on a hydraulic operating platform beam; the hydraulic operating platform panel is made of a 3mm pattern steel plate, and D10 steel bar net sheets are laid below the hydraulic operating platform panel and welded and fixed on the hydraulic operating platform distribution beam; the hydraulic operating platform diagonal brace is made of two steel rods with the diameter of 8cm and a steel sleeve with the diameter of 10cm, the outer portion of each steel rod and the inner portion of the steel sleeve are tapped to adjust the length of the brace, steel plates with the thickness of 2cm are welded at two ends of each steel rod, and holes with the diameter of 4cm are formed in the two ends of each steel rod and are respectively connected with an inner upright post and a template backward moving platform crossbeam of the hydraulic operating platform; the detachable climbing cone is made of a steel bar with the diameter of 8cm 40Cr, the climbing cone hanging plate is made of steel plates with the thickness of 1cm through assembly welding, a hole with the diameter of 8cm is reserved in the center of the detachable climbing cone and sleeved with the detachable climbing cone, and a hole with the diameter of 8cm multiplied by 2cm is reserved in the rear end of the detachable climbing cone and connected with an inner upright post of the hydraulic operating platform through a steel plate bolt; the main beam of the template backward moving platform is made of 25a I-steel and 25 channel steel and is tiled and welded on the cross beam of the template backward moving platform; the outer stand column of the lower frame body is made by double-leg 8-channel steel back-to-back splicing welding, steel plates with the thickness of 1cm are adopted to connect the middle of the outer stand column every 80cm, and holes with the length of 4cm are reserved up and down and are made of 14a I-shaped steel respectively used for a hydraulic operation platform beam and a template backward moving platform beam.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an integral variable cross section hollow mound creeping formwork which characterized in that includes:
a plurality of climbing frame structures which are arranged along the circumferential direction of the hollow pier (100),
the plurality of climbing frame structures comprise inner templates (110), outer templates (120), climbing formwork upper frame bodies (130) and climbing formwork lower frame bodies (140),
the inner formwork (110) and the outer formwork (120) are arranged face to face, the inner formwork (110) is located in the hollow pier (100), and the outer formwork (120) is located outside the hollow pier (100);
one side of the outer template (120) far away from the inner template (110) is connected with the climbing formwork upper frame body (130),
the outer template (120) can slide on the climbing formwork upper frame body (130) along a first direction, and the first direction is parallel to the plane of the outer template (120) and is vertical to the climbing direction of the climbing formwork lower frame body (140);
the climbing formwork upper frame body (130) is arranged at the top end of the climbing formwork lower frame body (140) in a sliding mode, the climbing formwork lower frame body (140) is used for being connected with the hollow pier (100), the climbing formwork upper frame body (130) can drive the outer formwork (120) to slide at the top end of the climbing formwork lower frame body (140) along a second direction, and the second direction is the direction of a perpendicular line of the plane where the outer formwork (120) is located;
the climbing formwork upper frame body (130) and/or the climbing formwork lower frame body (140) are/is fixedly provided with a falling-preventing rod (150);
the anti-falling rod (150) of any one climbing frame structure is arranged in a sliding mode with the anti-falling rod (150) of the adjacent climbing frame structure through the first connecting piece (200), and the anti-falling rod (150) can slide along the length direction of the anti-falling rod.
2. The integral type variable cross-section hollow pier creeping formwork according to claim 1,
the surface that keeps away from in exterior sheathing (120) interior sheathing (110) is provided with two at least back arriss (121) along the first direction, and wherein some back arriss (121) are provided with rack (122), frame body (130) are rotated through second connecting piece (300) and are connected with gear (131) on the climbing formwork, gear (131) can with rack (122) meshing, wherein another part back arris (121) with frame body (130) can be dismantled on the climbing formwork and be connected.
3. The integral type variable cross-section hollow pier creeping formwork according to claim 2,
the second connecting piece (300) comprises a connecting shaft (310), an adjusting turntable (320), an adjusting plate (330), a lead screw (340) and two nuts (350);
the connecting shaft (310) comprises an inner shaft and an outer sleeve, the outer sleeve is sleeved outside the inner shaft in a rotating mode, one end of the inner shaft is fixedly connected with the gear (131), and the other end of the inner shaft is fixedly connected with the adjusting turntable (320);
the adjusting plate (330) is fixed on the climbing formwork upper frame body (130), a through hole is formed in the adjusting plate (330), the lead screw (340) penetrates through the through hole, the end part of the lead screw (340) is fixedly connected with the side wall of the outer sleeve, and two nuts (350) are sleeved outside the lead screw (340) and are respectively located on two sides of the adjusting plate (330); the lead screw (340) can be matched with the two nuts (350) to enable the gear (131) to move towards the direction close to or far away from the rack (122).
4. The integral variable cross-section hollow pier creeping formwork of claim 1,
the first connecting piece (200) comprises a base plate (210) and two connecting frames (220), the two connecting frames (220) are fixed on two sides of the base plate (210) respectively, and the connecting frames (220) are used for being sleeved outside the anti-falling rod (150).
5. The integral variable cross-section hollow pier creeping formwork of claim 4,
an opening is formed in one side, away from the substrate (210), of the connecting frame (220).
6. The integral variable cross-section hollow pier creeping formwork of claim 1,
the climbing formwork comprises a plurality of climbing formwork upper frame bodies (130), and is characterized by further comprising a top supporting beam (160), wherein the top supporting beam (160) is erected among the plurality of climbing formwork upper frame bodies (130), the top supporting beam (160) is provided with a plurality of supports (161) and a plurality of inner formwork hoisting structures in a sliding manner, the plurality of supports (161) and the plurality of climbing formwork upper frame bodies (130) are arranged in a one-to-one correspondence manner, the plurality of inner formwork hoisting structures and the plurality of inner formworks (110) are arranged in a one-to-one correspondence manner,
the support (161) is fixedly arranged with the corresponding climbing formwork upper frame body (130), the support (161) can move on the top supporting beam (160) along the second direction of the corresponding outer formwork (120),
the inner formwork hoisting structure is fixedly arranged with the corresponding inner formwork (110), the inner formwork hoisting structure can move on the top supporting beam (160) along the second direction corresponding to the outer formwork (120), and the inner formwork hoisting structure can drive the inner formwork (110) to ascend.
7. The integral variable cross-section hollow pier creeping formwork of claim 6,
the inner template hoisting structure comprises a driving device (410) and a steel wire rope (420);
the steel wire rope (420) is connected between the inner formwork (110) and the top supporting beam (160), the steel wire rope (420) is connected with the top supporting beam (160) in a sliding mode, and the steel wire rope (420) is detachably connected with the inner formwork (110);
the drive means (410) is mounted on the cable (420), the drive means (410) being adapted to retract the length of the cable (420) between the top support beam (160) and the inner formwork (110).
8. The integral variable cross-section hollow pier creeping formwork of claim 7,
the driving device (410) is an electric hoist.
9. The integral type variable cross-section hollow pier creeping formwork according to claim 1,
when the anti-falling rods (150) are four or more, the two anti-falling rods (150) which are arranged face to face are connected through a third connecting piece.
10. The integral variable cross-section hollow pier creeping formwork of claim 9,
the third connector comprises a tension screw (510) and a steel cable rope;
when the climbing formwork climbs, the steel wire rope is sleeved between two anti-falling rods (150) arranged face to face, and a manual hoist or an electric hoist is connected between two end parts of the steel wire rope;
when the climbing formwork does not climb, the split screw rods (510) are fixedly arranged between the two anti-falling rods (150) which are arranged face to face.
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| CN202211361391.0A CN115492369B (en) | 2022-11-02 | 2022-11-02 | Integral variable cross-section hollow pier climbing form |
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| CN202211361391.0A CN115492369B (en) | 2022-11-02 | 2022-11-02 | Integral variable cross-section hollow pier climbing form |
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| CN110714611A (en) * | 2019-11-11 | 2020-01-21 | 昆明市银桥钢模有限公司 | Light climbing formwork steel frame system |
| WO2022048321A1 (en) * | 2020-09-04 | 2022-03-10 | 中交路桥华南工程有限公司 | Steel tower single-sided climbing-type lifting formwork and application in inclined single-column steel cable tower |
| CN114855622A (en) * | 2022-05-13 | 2022-08-05 | 陕西建工机械施工集团有限公司 | External climbing and internal hanging type construction device for hollow high pier construction and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1218248A (en) * | 1967-06-02 | 1971-01-06 | Byggforbattring Ab | A formwork for use in casting a concrete structure |
| CN2275615Y (en) * | 1996-01-25 | 1998-03-04 | 张良杰 | Hydraulic raising shuttering device |
| CN202090591U (en) * | 2010-07-27 | 2011-12-28 | 江苏和平建设集团有限公司 | Lift type climbing formwork of building operations |
| CN202830776U (en) * | 2012-09-02 | 2013-03-27 | 中铁十二局集团第二工程有限公司 | Bridge variable cross-section rectangular high pier cantilever creeping formwork construction device |
| CN110714611A (en) * | 2019-11-11 | 2020-01-21 | 昆明市银桥钢模有限公司 | Light climbing formwork steel frame system |
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|---|---|
| CN115492369B (en) | 2023-06-16 |
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