CN210598133U - Early-dismantling head and formwork support system - Google Patents
Early-dismantling head and formwork support system Download PDFInfo
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- CN210598133U CN210598133U CN201921283153.6U CN201921283153U CN210598133U CN 210598133 U CN210598133 U CN 210598133U CN 201921283153 U CN201921283153 U CN 201921283153U CN 210598133 U CN210598133 U CN 210598133U
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- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
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Abstract
The utility model discloses an early-dismantling head and a template supporting system, wherein the early-dismantling head comprises a screw rod, a late-dismantling support, an early-dismantling tray and a height adjusting nut; the early-dismantling tray forms an early-dismantling structure for lifting the late-dismantling support through the early-dismantling component; the late-dismantling support is provided with two vertically extending late-dismantling stand columns, and the top ends of the late-dismantling stand columns are fixedly connected with late-dismantling top plates; the early-dismantling tray comprises a rectangular tray body; the two late dismantling stand columns are respectively positioned on two sides of the tray body in the width direction; the length direction of tray body is torn stand both sides outside extension late. The formwork support system has the early-dismantling head and a jacking cross bar is arranged between the support columns. The utility model has the advantages that when the early dismantling head is used for forming a supporting system, the main beam can form an outrigger 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 strut is avoided being arranged through the top pulling cross rod, so that the system assembling and disassembling efficiency and the operation convenience can be further improved.
Description
Technical Field
The utility model relates to a construction formwork support system, in particular to early tear head and formwork support system open.
Background
When the concrete of the building or the structure is integrally cast, the concrete is finished by erecting a template through a supporting system. In order to reduce the construction cost, the increase of the turnover rate of the support body member is one of the effective measures. For this reason, a support system with an early-dismantling function is commonly used in construction practice, wherein the early-dismantling is usually performed by an early-dismantling head or an early-dismantling mechanism to realize the early-dismantling of a support beam in the system, and then the early-dismantling of a formwork is completed. The existing early-dismantling mechanism has more structural forms, but most of the early-dismantling mechanisms are provided with a main beam erected on one side of an early-dismantling tray. In order to ensure the reliability of formwork support, the support columns and the early-dismantling heads close to the wall side are usually close to the wall, so that the construction and early-dismantling operation space of the support system is limited, the convenience of operation is seriously restricted, and the construction efficiency of the support system and the formwork is further influenced. In addition, the upright columns of the existing supporting system are reinforced through the cross rods and the inclined supporting rods, the workload is large, and the requirement for further simplification is met, so that the cost is reduced, and the assembling and disassembling efficiency is improved. For this reason, further improvements to existing support systems are needed.
Disclosure of Invention
The utility model discloses an in the first purpose be to current template support system, it is little from the wall distance to lean on early the head of tearing open on the wall pillar, and the poor not enough of convenient operation nature that leads to provides one kind and early tear open the head to when being used for the template support system, the girder can form the outrigger structure, forms the outrigger structure with the increase girder that leans on the wall pillar, thereby furthest keeps away from the wall, thereby obtains sufficient operating space, takes the convenient operation nature of tearing open with the improvement system. The second objective of the present invention is to provide a formwork support system with the aforementioned early dismantling head, so as to improve the dismantling efficiency.
In order to achieve the first objective, the present invention adopts the following technical solution.
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-dismantling support on the screw rod; the early-dismantling tray forms an early-dismantling structure for lifting the late-dismantling support through the early-dismantling component; the late-dismantling support is provided with two vertically extending late-dismantling stand columns, and the top ends of the late-dismantling stand columns are fixedly connected with late-dismantling top plates; the early-dismantling tray comprises a rectangular tray body; the two late dismantling stand columns are respectively positioned on two sides of the tray body in the width direction; the length direction of tray body is torn stand both sides outside extension late.
Adopt aforementioned scheme the utility model discloses, tear the tray early and be located two and tear the stand open between late to have corresponding loading end, consequently, the girder can be followed one side of tearing the stand open late and extended to beyond the opposite side, and form and hang out the outrigger structure of tearing the tray early open. When the early dismantling tray is used for supporting the main beam, the upper end of a supporting column of the supporting system is arranged in a lifting manner through a screw rod; 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 part for early dismantling 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 support for the template through the top plate. Because when on applying this early head of tearing open to the support column by the wall in the support system, can confirm the distance that the girder hangs out as required to make the support column and early head of tearing open correspondingly keep away from the wall, thereby increase the system and take open and tear the operating space of operation early open, and then improve convenient operation nature, improve the system and take open and tear operating efficiency early open.
Preferably, the late dismantling support comprises a sleeve, and the late dismantling support 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 portion of the vertical rod is in sliding splicing 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; tray body and montant are the T font, and are located two and tear open between the stand late to with tray body design long bar structure, and then increase the degree of hanging out of girder, further establish the basis for increasing operating space.
Preferably, the early-dismantling member comprises an early-dismantling control block movably matched in a transverse rectangular through hole on the sleeve, the early-dismantling control block abuts against the bottom of the rectangular through hole through a lower end face, a support for the vertical rod is formed at the upper end face of the early-dismantling control block, and the lower end face of the early-dismantling control block is provided with two support faces A and B with step structures. . The height position change of the upper end surface of the early-dismantling control block is formed by utilizing the step surface before and after the early-dismantling control block slides, and the height position change of the early-dismantling tray is correspondingly formed, so that the early-dismantling is realized.
Still further preferably, the A and B support surfaces are connected by a transition bevel. So as to realize early disassembly and erection of main beam and other components directly by knocking. When the template is knocked from the large end of the step, the template is supported by the main beam and the secondary beam in the erecting process of the template, and when the template is knocked from the small end of the step, the early-dismantling tray, the main beam and the secondary beam are lowered, so that the template is early dismantled. The transition inclined plane forms the transition of two kinds of states, can reduce the tray and fall the in-process and form the impact to early tear off the control block.
Preferably, the early-dismantling control block is provided with two slots with downward openings, the width of each slot is greater than the wall thickness of the sleeve, the distance between the two slots towards the back wall surface is smaller than the inner diameter of the sleeve, and the distance between the two slots towards the wall surface is greater than the outer diameter of the sleeve; an 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 slotted groove of the early-dismantling control block and the lower end surface form a step structure, and when the lower end surface is supported on the bottom surface of the rectangular through hole, 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 by knocking any end of the early-dismantling control block, the slotting is aligned with the pipe wall at the lower part of the bottom of the rectangular perforation of the sleeve, the early-dismantling control block falls until the bottom of the slotting is supported at the bottom of the rectangular perforation, 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 bottom of the rectangular perforation, so that the early-dismantling tray, the main beam and the secondary beam fall, and the early dismantling of the template is realized. Compared with a step slide block with a transition inclined surface, the scheme can shorten the length of the slide block and save material consumption, but the slide block needs to be lifted when a supporting system is erected.
Preferably, a support table for supporting the late dismantling stand column protrudes outwards from the pipe wall of the casing pipe, and the support table is further connected with the pipe wall through a reinforcing rib. The support strength of the late-dismantling stand column is enhanced, and the support reliability of the late-dismantling 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 protruding locating piece that upwards, and the trailing arm fixed connection is in on the montant outer wall. The support system is suitable for the C-shaped light steel serving as the main beam, axial positioning is achieved through the positioning holes formed in the bottoms of the C-shaped light steel grooves, left and right positioning is achieved through the channel steel walls on the two sides of the tray body, and stability of the support system is guaranteed.
In order to achieve the second objective, the present invention adopts the following technical solutions.
A template supporting system comprises at least four even number of supporting columns, the supporting columns are respectively arranged on four corners of a corresponding rectangle, early-dismantling heads for achieving the first purpose are arranged on the supporting columns, a main beam is arranged through a tray body, and the main beam of the supporting column positioned on the edge of the system is provided with a part which is overhung out of an upright column.
Adopt aforementioned scheme the utility model discloses, through set up early the head of tearing open on the support column, early tear the head open including early the part of tearing open and tear the part open late, early tear open and set up the girder on the tray, set up the secondary beam on the girder, the last plane of secondary beam and tear the structure open late the roof and form the support to the template jointly late. After the floor reaches a certain strength after being poured and the main beam, the secondary beam and the corresponding template can be disassembled, the early disassembly is carried out as required so as to form the subsequent support of the multi-floor only by the late disassembly part. Because two are torn open the stand late and are located early tear tray both sides outside open, consequently, the girder can be followed two and torn open the space between the stand late and pass, it is outside to stretch to the opposite side from two one sides of tearing open the stand late, thereby form the outrigger structure of tearing open the tray early in the overhang, and can confirm the distance that the girder hangs out as required, so that the wall is kept away from with the head of tearing open early to the support column, thereby increase the system and take open and tear open the operating space of operation early, and then improve convenient operation nature, improve the system and take open and tear operating efficiency early open.
Preferably, be equipped with between the adjacent support column and push away the horizontal pole, push away and draw the horizontal pole and include the horizontal pole body and weld the horizontal pole end at horizontal pole body both ends respectively, the horizontal pole end has perpendicular to horizontal pole body axis, and length is greater than the top splenium of horizontal pole body diameter, pushes away and draws the horizontal pole and form the roof pressure to the riser of support column by the roof pressure of horizontal pole end, pushes away and draws and be formed with voussoir locking structure between horizontal pole tip and the support column. Through perpendicular to horizontal pole body axis, and length is greater than the top splenium of top pull horizontal pole diameter, makes the top pull horizontal pole both ends all form L shape to increase area of contact and contact length between horizontal pole body and the riser, and combine voussoir locking reinforcing support column and top to pull firm in connection nature, reliability and stability between the horizontal pole, simultaneously, improve and take and tear efficiency open.
Preferably, the wedge locking structure comprises a locking wedge, a locking jack and a locking frame, and the locking frame is welded on the pipe wall of the support column vertical pipe; the jacking part at the end of the cross rod can be abutted against the pipe wall of the supporting column after being inserted into the locking frame; the tight wedge block penetrates through the locking insertion holes in the ends of the cross rods, and the locking surfaces on the two sides of the tight wedge block respectively abut against the inner wall and the jacking portion of the locking frame to enable the jacking cross rods to be locked with the supporting columns. The top pull cross rod and the support column are ensured to be firmly connected, and a support system of the support column with larger specification is particularly used.
The utility model has the advantages that the early dismantling head is provided with a T-shaped bearing structure positioned between two late dismantling stand columns, and the borne main beams can extend out from two sides of the late dismantling stand columns; when used to form a support system, the main beam can form an outrigger structure. Therefore, the upright post of the supporting system is far away from the wall root, and the convenience of the system assembling and disassembling operation is improved; the support system has the early-dismantling head, and inclined support rods can be avoided being arranged through the top pulling cross rods, so that the system assembling and disassembling efficiency and the operation convenience are further improved.
Drawings
Fig. 1 is a schematic perspective view of the structure of the middle early dismantling head of the present invention.
Fig. 2 is a front view of the structure of the middle early dismantling head of the present invention.
Fig. 3 is a schematic sectional view of the structure of the middle early dismantling head of the present invention.
Fig. 4 is a schematic structural diagram of an early dismantling control block of a first structural form in the early dismantling head of the present invention.
Fig. 5 is a schematic structural diagram 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 perspective view of the structure of the middle support system of the present invention.
Fig. 7 is a schematic view of a part of the structure of the support system of the present invention.
Fig. 8 is a schematic perspective view of a first structural form of the top-pull cross bar of the support system of the present invention.
Fig. 9 is a partial structural schematic view of a first structural form of the top-pull cross bar in the support system of the present invention.
Fig. 10 is a cross-sectional view of a first form of the top-pull cross-bar of the support system of the present invention.
Fig. 11 is a schematic perspective view of a second structural form of the top-pull cross bar of the support system of the present invention.
Fig. 12 is a partial structural schematic view of a second structural form of the top-pull cross bar in the support system of the present invention.
Fig. 13 is a cross-sectional view of a second form of the top-pull cross-bar of the support system of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, which are not intended to limit the scope of the embodiments described herein.
The late dismantling support 2 comprises a sleeve 2a, and the late dismantling support 2 is fixedly connected to the upper end of the screw rod 1 through the sleeve 2a and supported on the height adjusting nut 4; the tray body 3a is fixedly connected to the top end of the vertical rod 3b, the two are integrally T-shaped, and the lower portion of the vertical rod 3b is matched in the sleeve 2a in a sliding insertion mode; the early-dismantling member forms a support for the early-dismantling tray 3 through the vertical rod 3 b.
Preferably, the early-dismantling member includes an early-dismantling control block 5, the early-dismantling control block 5 is movably fitted in a transverse rectangular through hole on the sleeve 2a, the early-dismantling control block 5 abuts against the bottom of the rectangular through hole through a 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 two support faces a and B having a step structure, and one end of the early-dismantling control block 5 is provided with an anti-falling shoulder 5 a.
As a further preferable scheme, the early-dismantling control block 5 is provided with two slots with downward openings, the width of each slot is greater than the wall thickness of the sleeve 2a, the distance between the back wall surfaces of the two slots is smaller than the inner diameter of the sleeve 2a, and the distance between the opposite wall surfaces of the two slots is greater 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.
Preferably, a support platform 2b for supporting the late-dismantling column 6 protrudes outwards from the pipe wall of the sleeve 2a, and the support platform 2b is further 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.
Example 2, see fig. 5, an early release head wherein the a and B bearing surfaces of the early release control block 5 are connected by a transition chamfer C.
The rest of the structure of this embodiment is the same as embodiment 1, and is not described herein again.
The top-pull cross rod 200 is arranged between the adjacent support columns 100, the top-pull cross rod 200 comprises a cross rod body 220 and cross rod ends 210 respectively welded at two ends of the cross rod body 220, the cross rod body 220 is made of a circular tube, the cross rod ends 210 are perpendicular to the axis of the cross rod body, the length of each top-pull cross rod end is larger than the diameter of the cross rod body 220, the top-pull cross rod 200 is formed by the top-pull portion of the cross rod end 210 to press the vertical tube 101 of the support column 100, and a wedge locking structure is formed between the end of the top-pull cross rod 200 and the.
Preferably, the wedge locking structure comprises a locking wedge 7, a locking jack and a locking frame 8, the locking frame 8 is folded into a triangle through a plate, and the triangular opening end of the locking frame 8 abuts against the pipe wall of the vertical pipe of the support column and is welded and fixed with the vertical pipe; the jacking part of the end 210 of the cross rod can be abutted against the pipe wall of the supporting column 100 after being inserted into the locking frame 8; the locking wedge 7 penetrates through a locking jack which is of a long-strip-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 locking surfaces on two sides of the locking jack respectively abut against the inner wall and the jacking portion of the locking frame 8 to enable the jacking cross rod 200 to be locked with the supporting column. The end 210 of the cross rod is in a V-shaped structure, the V-shaped opening end of the cross rod is abutted against the wall of the riser, and the inner side surfaces of two sides of the V shape are transited through a large fillet so as to enhance the structural strength of the cross rod.
The rest of the structure of this embodiment is the same as embodiment 3, and is not described herein again.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. An early-dismantling head comprises a screw rod (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 for lifting the late-dismantling support (2) through an early-dismantling component; the device is characterized in that the late-dismantling support (2) is provided with two vertically extending late-dismantling stand columns (6), and the top ends of the late-dismantling stand columns (6) are fixedly connected with late-dismantling top plates (71); the early-dismantling tray (3) comprises a rectangular tray body (3 a); the two late dismantling stand columns (6) are respectively positioned on two sides of the width direction of the tray body (3 a); the length direction of the tray body (3 a) extends towards the outside of two sides of the late-dismantling upright post (6).
2. The early dismantling head according to claim 1, wherein the late dismantling support (2) comprises a sleeve (2 a), and the late dismantling support (2) is fixedly connected to the upper end of the screw (1) through the sleeve (2 a), or is slidably sleeved on the upper end of the screw (1) through the sleeve (2 a) and 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 portion 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).
3. The early dismantling head according to claim 2, wherein said early dismantling member comprises an early dismantling control block (5), the early dismantling control block (5) being movably fitted in a rectangular through hole traversing said casing (2 a), the early dismantling control block (5) abutting against the bottom of the rectangular through hole 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 two support surfaces A and B with a step structure.
4. The early removal head as claimed in claim 3, wherein the A and B support surfaces are connected by a transition ramp.
5. The early dismantling head as claimed in claim 3, wherein said early dismantling control block (5) is provided with two slots with downward openings, the width of the slots is larger than the wall thickness of said sleeve (2 a), the distance between the two slot back-facing wall surfaces is smaller than the inner diameter of the sleeve (2 a), and the distance between the two slot facing wall surfaces 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.
6. The early dismantling head according to claim 2, wherein the wall of the casing (2 a) has a support (2 b) projecting outwards for supporting the late dismantling column (6), the support (2 b) being further connected to the wall by means of a reinforcement (2 c).
7. The early-dismantling head as claimed in any one of claims 2 to 6, wherein the tray body (3 a) is channel-shaped, the tray body (3 a) is further supported by a bracket 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 distal end of the bracket arm (3 c), and the bracket arm (3 c) is fixedly connected to the outer wall of the vertical rod (3 b).
8. A formwork support system, characterized in that it comprises at least four even number of support columns, arranged at the four corners of the corresponding rectangle, provided with the early dismantling head according to any one of claims 1 to 7, and provided with main beams through the pallet body (3 a), the main beams of the support columns at the edge of the system having portions overhanging the uprights.
9. The support system of claim 8, wherein a top-pull cross bar (200) is arranged between adjacent support columns (100), the top-pull cross bar (200) comprises a cross bar body (220) and cross bar ends (210) respectively welded at two ends of the cross bar body (220), the cross bar ends (210) are provided with top-pressing portions which are perpendicular to the axis of the cross bar body and have a length larger than the diameter of the cross bar body (220), the top-pull cross bar (200) is formed by the top-pressing portions of the cross bar ends (210) to press against the vertical pipes (101) of the support columns (100), and wedge block locking structures are formed between the ends of the top-pull cross bar (200) and the support columns.
10. The support system of claim 9, wherein the wedge locking structure comprises a locking wedge (7), a locking jack and a locking frame (8), and the locking frame (8) is welded on the wall of the vertical pipe of the support column; the jacking part of the end head (210) of the cross rod can be abutted against the pipe wall of the supporting column after being inserted into the locking frame (8); the locking wedge block (7) penetrates through the locking jack on the end head (210) of the cross rod, and the locking surfaces on the two sides respectively abut against the inner wall and the jacking part of the locking frame (8) to enable the jacking cross rod (200) to be locked with the supporting column.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283153.6U CN210598133U (en) | 2019-08-08 | 2019-08-08 | Early-dismantling head and formwork support system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921283153.6U CN210598133U (en) | 2019-08-08 | 2019-08-08 | Early-dismantling head and formwork support system |
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| CN210598133U true CN210598133U (en) | 2020-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409806A (en) * | 2019-08-08 | 2019-11-05 | 泰博混凝土模板与支撑（陕西）有限公司 | A kind of early dismantling head and form bracing system |
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2019
- 2019-08-08 CN CN201921283153.6U patent/CN210598133U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409806A (en) * | 2019-08-08 | 2019-11-05 | 泰博混凝土模板与支撑（陕西）有限公司 | A kind of early dismantling head and form bracing system |
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