CN110409806B - Early-dismantling head and template supporting system - Google Patents
Early-dismantling head and template supporting system Download PDFInfo
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- CN110409806B CN110409806B CN201910732219.3A CN201910732219A CN110409806B CN 110409806 B CN110409806 B CN 110409806B CN 201910732219 A CN201910732219 A CN 201910732219A CN 110409806 B CN110409806 B CN 110409806B
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- 238000009415 formwork Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 5
- 229910000746 Structural steel Inorganic materials 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007306 turnover Effects 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
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/48—Supporting structures for shutterings or frames for floors or roofs
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses an early-dismantling head and a template supporting system, wherein the early-dismantling head comprises a screw, a late-dismantling support, an early-dismantling tray and a height adjusting nut; the early-dismantling tray forms an early-dismantling structure which is lifted relative to the late-dismantling support through the early-dismantling component; the post-disassembly support is provided with two vertically-extending post-disassembly posts, and the top ends of the post-disassembly posts are fixedly connected with a post-disassembly top plate; the early-dismantling tray comprises a rectangular tray body; the two post-dismantling columns are respectively positioned at two sides of the width direction of the tray body; the length direction of the tray body extends towards the outer parts of the two sides of the post. The formwork support system is provided with the early dismantling head, and a top pulling cross rod is arranged between the support upright posts. The invention has the beneficial effects that when the early dismantling head is used for forming the supporting system, the main beam can form a cantilever beam structure, so that the upright post of the supporting system can be far away from the wall root; the support system has the early-dismantling head, and the inclined stay bars are prevented from being arranged through the top-pulling cross bars, so that the system dismantling efficiency and the operation convenience can be further improved.
Description
Technical Field
The invention relates to a formwork support system for building construction, in particular to an early-dismantling head and formwork support system.
Background
When the concrete of the building or the structure is poured integrally, the concrete needs to be completed by setting up templates through a supporting system. In order to reduce the construction cost, improvement of the turnover rate of the support member is one of the effective measures. Therefore, the support system with the early dismantling function is widely applied to construction practice, wherein early dismantling is usually realized by early dismantling heads or early dismantling mechanisms, and then early dismantling of the formwork is completed. The existing early dismantling mechanism has more structural forms, but most of the early dismantling mechanism is formed by erecting a main beam on one side of an early dismantling tray. In order to ensure the reliability of the formwork support, the support column and the early dismantling head close to the wall are usually close to the wall, so that the support system is erected and the early dismantling operation space is limited, the convenience of operation is severely restricted, and the support system and the formwork erection efficiency are further affected. In addition, the upright posts of the existing supporting system are reinforced by the transverse rods and the diagonal braces, so that the workload is large, the simplification is further needed, the cost is reduced, and the assembling and disassembling efficiency is improved. For this reason, further improvements are needed to the existing support systems.
Disclosure of Invention
The first object of the present invention is to provide an early-dismantling head, which is capable of forming a cantilever beam structure to enlarge the girder on a wall-leaning support column to form the cantilever beam structure, thereby being furthest far away from a wall surface, and thus obtaining enough operation space to improve the operation convenience of system dismantling. The second object of the present invention is to provide a formwork support system with the early dismantling head, so as to improve the dismantling efficiency.
In order to achieve the first object, the present invention adopts the following technical scheme.
An early dismantling head comprises a screw, a late dismantling support, an early dismantling tray and a height adjusting nut; the height adjusting nut is used for adjusting the height of the late-disassembly support on the screw; the early-dismantling tray forms an early-dismantling structure which is lifted relative to the late-dismantling support through the early-dismantling component; the late disassembly support is provided with two vertically extending late disassembly upright posts, and the top ends of the late disassembly upright posts are fixedly connected with a late disassembly top plate; the early-dismantling tray comprises a rectangular tray body; the two post-dismantling columns are respectively positioned at two sides of the width direction of the tray body; the length direction of the tray body extends towards the outer parts of the two sides of the post.
According to the invention, the early-dismantling tray is positioned between the two later-dismantling upright posts and is provided with the corresponding bearing surface, so that the main beam can extend from one side of the later-dismantling upright post to the outside of the other side, and a cantilever beam structure for suspending the early-dismantling tray is formed. When the support system is used for supporting the system, the upper ends of the support columns of the support system are arranged in a liftable manner through the screw rods, and the early-dismantling tray is used for bearing the main beams; in the early dismantling process through the early dismantling component, the secondary beam erected on the main beam descends together with the main beam and the early dismantling tray, so that the early dismantling of the part of the formwork support is formed; at this time, the late-dismantling structure composed of the late-dismantling support, the late-dismantling upright post and the late-dismantling top plate still forms a support for the template through the top plate. When the early dismantling head is applied to a support column close to a wall in a support system, the suspended distance of the main beam can be determined according to the requirement, so that the support column and the early dismantling head are correspondingly far away from the wall, the operation space of system erection and dismantling and early dismantling operations is enlarged, the operation convenience is improved, and the system erection and dismantling and early dismantling operation efficiency is improved.
Preferably, the late-dismantling support comprises a sleeve, and is fixedly connected to the upper end of the screw rod through the sleeve and supported on the height adjusting nut; the tray body is fixedly connected to the top end of the vertical rod, the tray body and the vertical rod are integrally T-shaped, and the lower part of the vertical rod is in sliding insertion fit in the sleeve; the early dismantling member forms a support for the early dismantling tray through the vertical rod. When the vertical rod loses the support of the early-dismantling component, the tray body descends along the axis of the sleeve along with the vertical rod to realize early dismantling; the tray body and the vertical rods are T-shaped and are positioned between the two later-detached upright posts, so that the tray body is designed into a long strip-shaped structure, the suspension degree of the main beam is increased, and a foundation is further laid for increasing the operation space.
Further preferably, the early-dismantling member comprises an early-dismantling control block which is movably matched in a rectangular perforation traversed by the sleeve, the early-dismantling control block is abutted against the bottom of the rectangular perforation through the lower end face, the upper end face of the early-dismantling control block forms a support for the vertical rod, and the lower end face of the early-dismantling control block is provided with an A supporting face and a B supporting face which are in step structures. The height position of the upper end face of the early-dismantling control block is changed by utilizing the step surface before and after the early-dismantling control block slides, and the height position of the upper end face of the early-dismantling control block is correspondingly changed, so that early dismantling is realized.
Still more preferably, the supporting surfaces A and B are connected by a transitional slope. So as to realize early disassembly and erection of the main girder and other components directly through a knocking mode. When knocking from the large end of the step, the support is used for supporting the template by the main beam and the secondary beam in the template erecting process, and when knocking from the small end of the step, the lowering of the tray, the main beam and the secondary beam is realized, so that the early disassembly of the template is realized. The transition inclined plane forms the transition of two states, can reduce the tray and drop the in-process and form the impact to early dismantlement control block.
Still more preferably, the early-dismantling control block is provided with two grooves with downward openings, the width of each groove is larger than the wall thickness of the sleeve, the distance between the opposite wall surfaces of the two grooves is smaller than the inner diameter of the sleeve, and the distance between the opposite wall surfaces of the two grooves is larger than the outer diameter of the sleeve; the outer wall of the sleeve; the step surface is composed of a grooved groove bottom plane and a grooved groove opening plane. The bottom of the groove of the early-dismantling control block and the lower end face form a step structure, and when the lower end face is supported on the bottom face of the rectangular perforation, the early-dismantling control block forms a support for the template through the early-dismantling tray, the main beam and the secondary beam; when the sliding block slides through knocking any one end of the early-dismantling control block, the slotting is aligned with the pipe wall at the lower part of the rectangular perforating bottom of the sleeve, the early-dismantling control block falls down until the slotting bottom is supported at the rectangular perforating bottom, and two sides of the slotting are respectively positioned on the inner wall and the outer wall of the pipe wall at the lower part of the rectangular perforating bottom, so that the early-dismantling tray, the main beam and the secondary beam descend, and the early dismantling of the template is realized. Compared with a step sliding block with a transitional inclined plane, the scheme can shorten the length of the sliding block, save material consumption, but the sliding block needs to be lifted when a supporting system is erected.
Further preferably, a supporting table for supporting the post is protruded outwards on the wall of the sleeve, and the supporting table is connected with the wall of the sleeve through a reinforcing rib. The support strength of the post is enhanced, and the support reliability of the post-disassembly structure is ensured.
Preferably, the tray body is channel-section steel shape, and the tray body still supports through the trailing arm that sets up along tray body length direction, and the trailing arm distal end is formed with the locating piece that upwards protrudes, and trailing arm fixed connection is in on the montant outer wall. The support system is used for the C-shaped light steel as a main beam, axial positioning is realized through the positioning holes formed in the bottom of the C-shaped light steel tank, left and right positioning is formed by utilizing channel steel walls on two sides of the tray body, and stability of the support system is ensured.
In order to achieve the second object, the present invention adopts the following technical scheme.
The template supporting system comprises at least four even support columns, wherein the support columns are respectively arranged at four corners of a corresponding rectangle, early dismantling heads for achieving the first purpose are arranged on the support columns, main beams are arranged through the tray body, and the main beams of the support columns positioned at the edge of the system are provided with parts overhanging the upright columns.
According to the invention, the early dismantling head is arranged on the support column and comprises the early dismantling part and the late dismantling part, the main beam is arranged on the early dismantling tray, the secondary beam is erected on the main beam, and the upper plane of the secondary beam and the late dismantling top plate of the late dismantling structure jointly form the support of the template. After the floor is poured and reaches a certain strength, the main beam, the secondary beam and the corresponding templates can be disassembled, and then the early disassembly is carried out according to the requirement, so that the later disassembly part only forms the subsequent support of the multi-floor. Because two post is torn open in the back and is located the early tray both sides outside of tearing open, consequently, the girder can pass from two spaces between the post of tearing open in the back, it is outside to stretch to the opposite side from two one sides of tearing open the post in the back to form the cantilever beam structure of hanging out the tray of tearing open in the early, and can confirm the distance that the girder hung out as required, so that support column and early head of tearing open keep away from the wall, thereby increase the system and take and tear open the operating space of operation early, and then improve convenient operation, improve the system and take and tear open operating efficiency early.
Preferably, a top-pulling cross rod is arranged between the adjacent support columns, the top-pulling cross rod comprises a cross rod body and cross rod ends welded at two end parts of the cross rod body respectively, the cross rod ends are provided with top-pressing parts perpendicular to the axis of the cross rod body and longer than the diameter of the cross rod body, the top-pulling cross rod forms the top-pressing of the vertical pipe of the support column by the top-pressing parts of the cross rod ends, and a wedge locking structure is formed between the top-pulling cross rod ends and the support columns. Through perpendicular to horizontal pole body axis, and the length is greater than the roof portion of pushing up and pulling the horizontal pole diameter, make the roof draw the horizontal pole both ends and all form L shape to increase contact area and contact length between horizontal pole body and the riser, and combine the voussoir locking reinforcing support column and roof to draw connection fastness, reliability and stability between the horizontal pole, simultaneously, improve and take tearing open efficiency.
Further preferably, the wedge locking structure comprises a locking wedge, a locking jack and a locking frame, and the locking frame is welded on the wall of the vertical pipe of the support column; the top pressing part of the end head of the cross rod can be abutted with the pipe wall of the support column after being inserted into the locking frame; the tight wedge block passes through the locking jack on the end of the transverse rod and is respectively abutted against the inner wall of the locking frame and the jacking part by the locking surfaces at two sides so as to lock the top-pulling transverse rod and the supporting column. Ensure the firm connection between the top-pulling cross rod and the support column, and particularly use the support system of the support column with larger specification.
The invention has the beneficial effects that the early dismantling head is provided with a T-shaped bearing structure positioned between the two late dismantling upright posts, and the borne main beams can extend out from the two sides of the late dismantling upright posts; when being used for forming the braced system, the girder can form the cantilever beam structure. Therefore, the upright posts of the supporting system are far away from the wall roots, and the convenience of system assembling and disassembling operations is improved; the support system has the early-dismantling head, and the diagonal bracing rod can be prevented from being arranged through the top-pulling cross rod, so that the system erection and dismantling efficiency and the operation convenience are further improved.
Drawings
Fig. 1 is a schematic isometric view of the structure of an early disconnect of the present invention.
Fig. 2 is a schematic front view of the structure of the early detachable head in the present invention.
Fig. 3 is a schematic cross-sectional view of the structure of the early detachable head of the present invention.
Fig. 4 is a schematic structural view of an early-dismantling control block of the first structural form in the early-dismantling head of the present invention.
Fig. 5 is a schematic structural view of an early-dismantling control block of a second structural form in the early-dismantling head of the present invention.
Fig. 6 is a schematic isometric view of the structure of the support system of the present invention.
FIG. 7 is a schematic view of a portion of the structure of the support system of the present invention.
Fig. 8 is a schematic isometric view of a first form of roof rail construction in the support system of the present invention.
Fig. 9 is a schematic partial structural view of a first structural style roof rail in the support system of the present invention.
Fig. 10 is a cross-sectional view of a first structural style top tension rail in the support system of the present invention.
Fig. 11 is a schematic isometric view of a top tension rail of a second construction in the support system of the present invention.
Fig. 12 is a schematic view of a partial construction of a second form of roof rail in the support system of the present invention.
Fig. 13 is a cross-sectional view of a second structural style top tension rail in the support system of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings, which are not intended to limit the invention to the embodiments described.
Embodiment 1, see fig. 1, 2, 3, 4, an early dismantling head comprising a screw 1, a late dismantling support 2, an early dismantling tray 3 and a height adjusting nut 4; the height adjusting nut 4 is used for adjusting the height of the late-dismantling support 2 on the screw 1, and the screw 1 is hollow and tubular; the early-dismantling tray 3 forms an early-dismantling structure which is lifted relative to the late-dismantling support 2 through early-dismantling components; the late-dismantling support 2 is provided with two vertically extending late-dismantling upright posts 6, and the top ends of the late-dismantling upright posts 6 are fixedly connected with a late-dismantling top plate 7; the early-dismantling tray 3 comprises a rectangular tray body 3a; the two post-dismantling columns 6 are respectively positioned at two sides of the width direction of the tray body 3a; the tray body 3a extends in the longitudinal direction toward the outside of both sides of the post 6.
The late-disassembly support 2 comprises a sleeve 2a, and the late-disassembly support 2 is fixedly connected to the upper end of the screw 1 through the sleeve 2a and is supported on the height adjusting nut 4; the tray body 3a is fixedly connected to the top end of the vertical rod 3b, the tray body and the vertical rod are integrally T-shaped, and the lower part of the vertical rod 3b is in sliding insertion fit in the sleeve 2 a; the early-dismantling member forms a support for the early-dismantling tray 3 by the vertical rod 3 b.
As a preferable scheme, the early-dismantling member comprises an early-dismantling control block 5, the early-dismantling control block 5 is movably matched in a rectangular perforation traversed on the sleeve 2a, the early-dismantling control block 5 is abutted against the bottom of the rectangular perforation through the lower end face, the upper end face of the early-dismantling control block 5 forms a support for the vertical rod 3B, the lower end face of the early-dismantling control block 5 is provided with an A supporting face and a B supporting face with step structures, and one end of the early-dismantling control block 5 is provided with an anti-falling shoulder 5a.
As a further preferable scheme, the early-dismantling control block 5 is provided with two grooves with downward openings, the width of each groove is larger than the wall thickness of the sleeve 2a, the distance between the opposite wall surfaces of the two grooves is smaller than the inner diameter of the sleeve 2a, and the distance between the opposite wall surfaces of the two grooves is larger than the outer diameter of the sleeve 2 a; the outer wall of the sleeve 2 a; the step surface is composed of a grooved groove bottom plane and a grooved groove opening plane.
As a preferable scheme, a supporting table 2b for supporting the post 6 is protruded outwards on the pipe wall of the sleeve 2a, and the supporting table 2b is also connected with the pipe wall through a reinforcing rib 2 c.
As a preferable scheme, the tray body 3a is in a channel steel shape, the tray body 3a is further supported by a supporting arm 3c arranged along the length direction of the tray body 3a, a positioning block 3d protruding upwards is formed at the far end of the supporting arm 3c, and the supporting arm 3c is fixedly connected to the outer wall of the vertical rod 3 b.
Embodiment 2, see fig. 5, an early-dismantling head, wherein the a and B support surfaces of the early-dismantling control block 5 are connected by a transition slope C.
The rest of the structure of this embodiment is the same as that of embodiment 1, and will not be described here again.
Embodiment 3 referring to fig. 6, 7, 8, 9 and 10, a formwork support system includes at least four even number of support columns 100, a plurality of support columns 100 are respectively arranged at four corners of a corresponding rectangle, early dismantling heads 300 of embodiment 1 or 2 are arranged on the support columns 100, and main beams 400 are arranged through the tray body 3a, and the main beams 400 of the support columns 100 at the edges of the system have portions overhanging the length L of the upright columns. A secondary beam 500 is erected on the main beam 400, and the top surface of the secondary beam 500 and the top surface of the top plate 7 on the early dismantling head 300 are positioned in the same plane to jointly form a template supporting plane; wherein, the main beam 400 and the secondary beam 500 are both made of C-shaped light steel, the C-shaped light steel has the same structure as that disclosed in China patent publication No. CN207934450U, the publication date is 2018-10-02, and the main beam 400 is clamped on the positioning block 3d of the bracket arm 3C through a strip-shaped hole at the bottom of the groove so as to prevent the main beam 400 from sliding and falling off.
Wherein, a top-pulling cross bar 200 is disposed between adjacent support columns 100, the top-pulling cross bar 200 comprises a cross bar body 220 and cross bar ends 210 welded at two ends of the cross bar body 220, the cross bar body 220 is made of round tubes, the cross bar ends 210 are perpendicular to the axis of the cross bar body, and the length of the cross bar ends is greater than the top-pressing portion of the diameter of the cross bar body 220, the top-pulling cross bar 200 forms a top-pressing of the stand pipe 101 of the support column 100 by the top-pressing portion of the cross bar ends 210, and a wedge locking structure is formed between the end of the top-pulling cross bar 200 and the support column.
As a preferable scheme, the wedge locking structure comprises a locking wedge 7, a locking jack and a locking frame 8, wherein the locking frame 8 is folded into a triangle through a plate, and the triangular opening end of the locking frame 8 is abutted on the wall of the vertical pipe of the support column and welded and fixed with the vertical pipe; the pressing part of the cross rod end 210 can be abutted with the pipe wall of the support column 100 after being inserted into the locking frame 8; the tightening wedge block 7 passes through a locking jack which is in a strip-shaped hole structure, the length direction of the locking jack is consistent with the axial direction of the cross rod body 220, the locking jack is formed on the cross rod body 220, and the two side locking surfaces respectively abut against the inner wall of the locking frame 8 and the jacking part to lock the top-pulling cross rod 200 and the support column. The cross bar end 210 is in a V-shaped structure, the V-shaped opening end of the cross bar end is abutted to the wall of the vertical tube, and the inner side surfaces of two sides of the V shape are transited through large fillets to strengthen the structural strength of the cross bar end.
11, 12 And 13, wherein the locking frame 8 is folded into a rectangular frame structure by a plate, the rectangular frame opening end of the locking frame 8 is abutted against the vertical pipe wall of the support column, the cross rod end 210 comprises an angle iron 210a, the angle iron 210a is abutted against and welded and fixed with the end part of the cross rod body 220 by the outer plane of the vertical side, the internal angle of the angle iron 210a is downward, a channel steel 210b is welded at the distal end of the horizontal side of the angle iron 210a, the channel steel 210b extends vertically downwards, the notch of the channel steel 210b faces the cross rod body 220, and the bottom outer surface of the channel steel 210b is abutted against the vertical pipe of the support column 100; the locking receptacles are formed in the horizontal edges of angle bar 210 a.
The rest of the structure of this embodiment is the same as that of embodiment 3, and will not be described here again.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (6)
1. An early dismantling head comprises a screw (1), a late dismantling support (2), an early dismantling tray (3) and a height adjusting nut (4); the height adjusting nut (4) is used for adjusting the height of the late-dismantling support (2) on the screw (1); the early-dismantling tray (3) forms an early-dismantling structure which is lifted relative to the late-dismantling support (2) through an early-dismantling component; the novel quick release support is characterized in that the quick release support (2) is provided with two vertically extending quick release upright posts (6), and the top ends of the quick release upright posts (6) are fixedly connected with a quick release top plate (7); the early-dismantling tray (3) comprises a rectangular tray body (3 a); the two post-dismantling columns (6) are respectively positioned at two sides of the width direction of the tray body (3 a); the length direction of the tray body (3 a) extends towards the outer parts of the two sides of the later-dismantling upright post (6);
The slow disassembly support (2) comprises a sleeve (2 a), the slow disassembly support (2) is fixedly connected to the upper end of the screw (1) through the sleeve (2 a), or is sleeved at the upper end of the screw (1) in a sliding manner through the sleeve (2 a) and is supported on the height adjusting nut (4); the tray body (3 a) is fixedly connected to the top end of the vertical rod (3 b), the tray body and the vertical rod are integrally T-shaped, and the lower part of the vertical rod (3 b) is in sliding insertion fit in the sleeve (2 a); the early-dismantling member forms a support for the early-dismantling tray (3) through the vertical rod (3 b);
The early-dismantling component comprises an early-dismantling control block (5), the early-dismantling control block (5) is movably matched in a rectangular perforation traversing on the sleeve (2 a), and the early-dismantling control block (5) is abutted against the bottom of the rectangular perforation through the lower end face; the upper end surface of the early-dismantling control block (5) forms a support for the vertical rod (3B), and the lower end surface of the early-dismantling control block (5) is provided with an A support surface and a B support surface with step structures;
the supporting surfaces A and B are connected through a transitional inclined plane.
2. The early dismantling head according to claim 1, characterized in that a supporting table (2 b) for supporting the late dismantling column (6) protrudes outwards on the pipe wall of the sleeve (2 a), and the supporting table (2 b) is also connected with the pipe wall through a reinforcing rib (2 c).
3. The early dismantling head according to any one of claims 1-2, wherein the tray body (3 a) is in a channel steel shape, the tray body (3 a) is further supported by a supporting arm (3 c) arranged along the length direction of the tray body (3 a), a positioning block (3 d) protruding upwards is formed at the far end of the supporting arm (3 c), and the supporting arm (3 c) is fixedly connected to the outer wall of the vertical rod (3 b).
4. A formwork support system comprising at least four even number of support columns, each of which is arranged at four corners of a corresponding rectangle, the support columns being provided with an early-dismantling head according to any one of claims 1 to 3, and being provided with a main beam by means of the tray body (3 a), the main beams of the support columns at the edges of the system having portions overhanging the uprights.
5. The support system according to claim 4, wherein a top-pulling cross bar (200) is provided between adjacent support columns (100), the top-pulling cross bar (200) comprises a cross bar body (220) and cross bar ends (210) welded at two ends of the cross bar body (220), the cross bar ends (210) have a top-pressing portion perpendicular to the axis of the cross bar body and longer than the diameter of the cross bar body (220), the top-pulling cross bar (200) forms a top-pressing of the stand pipe (101) of the support column (100) by the top-pressing portion of the cross bar ends (210), and a wedge locking structure is formed between the end of the top-pulling cross bar (200) and the support column.
6. The support system of claim 5, wherein the wedge locking structure comprises a locking wedge (81), a locking socket and a locking frame (8), the locking frame (8) being welded to the support column riser wall; the top pressing part of the cross rod end head (210) can be abutted with the pipe wall of the support column after being inserted into the locking frame (8); the locking wedge blocks (81) penetrate through locking insertion holes in the end heads (210) of the cross rods, and the two side locking surfaces respectively abut against the inner wall of the locking frame (8) and the jacking part to enable the jacking cross rods (200) to be locked with the support columns.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732219.3A CN110409806B (en) | 2019-08-08 | 2019-08-08 | Early-dismantling head and template supporting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732219.3A CN110409806B (en) | 2019-08-08 | 2019-08-08 | Early-dismantling head and template supporting system |
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| CN110409806A CN110409806A (en) | 2019-11-05 |
| CN110409806B true CN110409806B (en) | 2024-08-09 |
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