CN217000893U - Variable cross section formwork support - Google Patents
Variable cross section formwork support Download PDFInfo
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- CN217000893U CN217000893U CN202220368688.9U CN202220368688U CN217000893U CN 217000893 U CN217000893 U CN 217000893U CN 202220368688 U CN202220368688 U CN 202220368688U CN 217000893 U CN217000893 U CN 217000893U
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Abstract
The utility model discloses a variable cross-section template support, which comprises a base, wherein two groups of supporting mechanisms are arranged at the top end of the base; the top end of the supporting mechanism is provided with a supporting mechanism; the adjacent supporting mechanisms are hinged through connecting rods; the supporting mechanism comprises a first spiral supporting rod, a second spiral supporting rod and a third spiral supporting rod, and the top ends of the first spiral supporting rod, the second spiral supporting rod and the third spiral supporting rod are hinged with the bottom end of the supporting mechanism; the base comprises two bottom beams which are arranged in parallel, the bottom ends of the first spiral supporting rods and the second spiral supporting rods are respectively hinged at corresponding positions on the two bottom beams, and the third spiral supporting rods and the first spiral supporting rods are hinged on the same bottom beam. The utility model has simple structure, convenient installation and disassembly, good support performance and convenient use and adjustment, can quickly adjust bridges with various special-shaped curves and other building engineering lines, and meets the requirements of the construction of modern bridges and other building engineering.
Description
Technical Field
The utility model relates to the field of bridges and constructional engineering, in particular to a variable cross-section formwork support.
Background
The variable cross-section concrete engineering refers to the pouring of reinforced concrete or less reinforced concrete beam on the pier (platform) or lower support, and mainly functions to support the upper structure of bridge or building and transfer all load to the lower structure.
In the variable cross section concrete engineering work progress, the adaptation line type that variable cross section supported the template can be fine changes the new support form of adaptation, and in recent years, in order to improve the pleasing to the eye effect of buildings such as bridge, consequently more and more concrete works adopt curve or arc line, lead to traditional variable cross section to support the unable adaptation curve of template or arc line, finally lead to supporting the template equipment adaptation effect poor, the variable cross section that finishes of assembling supports the template yielding, and variable cross section supports the template equipment or dismantle loaded down with trivial details, the construction cycle is long, thereby lead to construction cost to increase.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a variable cross-section formwork support to solve the problems in the prior art.
In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a variable cross-section template support which comprises a base, wherein two groups of supporting mechanisms are arranged at the top end of the base; the top end of the supporting mechanism is provided with a supporting mechanism; the adjacent supporting mechanisms are hinged through connecting rods;
the supporting mechanism comprises a first spiral supporting rod, a second spiral supporting rod and a third spiral supporting rod, and the top ends of the first spiral supporting rod, the second spiral supporting rod and the third spiral supporting rod are hinged with the bottom end of the top supporting mechanism; the bottom ends of the first spiral stay bar, the second spiral stay bar and the third spiral stay bar are respectively hinged with the top end of the base;
the base comprises two bottom beams which are arranged in parallel, the bottom ends of the first spiral stay bar and the second spiral stay bar are respectively hinged at corresponding positions on the two bottom beams, and the third spiral stay bar and the second spiral stay bar are hinged on the same bottom beam.
Preferably, the base further comprises a reinforcing structure, and the reinforcing structure is arranged between the opposite side edges of the two bottom beams; the reinforcing structure comprises reinforcing rods arranged in an X shape, and two sides of each reinforcing rod are fixedly connected with the side edges of the two bottom beams respectively.
Preferably, the bottom beam is made of I-shaped section steel, the groove of the section steel is arranged upwards, and a first hinge seat, a second hinge seat and a third hinge seat are arranged in the groove; the first spiral stay bar is hinged with the bottom beam through the first hinge seat, the second spiral stay bar is hinged with the bottom beam through the second hinge seat, and the third spiral stay bar is hinged with the bottom beam through the third hinge seat.
Preferably, the first hinged seat and the second hinged seat are symmetrically and fixedly connected to two ends of the top surface of the bottom beam respectively, and the third hinged seat and the first hinged seat are arranged close to each other side by side.
Preferably, the top supporting mechanism comprises a top block, and top ends of the first spiral stay bar, the second spiral stay bar and the third spiral stay bar are hinged with a bottom surface of the top block; a supporting plate is fixedly connected to the top surface of the top block; the top surface of the supporting plate is provided with a placing groove.
Preferably, the first spiral stay bar comprises a sleeve provided with an internal thread, two ends of the sleeve are in threaded connection with external thread rods, the tail ends of the external thread rods are fixedly connected with hinged joints, and the hinged joints are respectively hinged with the first hinged seat and the bottom surface of the top block; the second spiral stay and the third spiral stay are identical in structure to the first spiral stay.
Preferably, a pin shaft is fixedly mounted on the first hinge seat, a sleeve is rotatably connected to the pin shaft, and a hinge lug is fixedly connected to the outer wall of the sleeve and is hinged to the hinge head.
The utility model discloses the following technical effects: the utility model discloses a variable cross-section template support.A base is fixed on the ground, a supporting mechanism is supported by the supporting mechanism, a plurality of devices are used side by side when in use, the supporting mechanism is supported at the bottom end of a variable cross-section concrete project, the relative position relationship between the supporting mechanisms is changed by adjusting the angle of the supporting mechanism, and further the required angle of the variable cross-section concrete project is adjusted, so that the adjustment is convenient, rapid, safe and quick; the supporting mechanism comprises a first spiral stay bar, a second spiral stay bar and a third spiral stay bar which are arranged in a triangular shape, and the stability of the supporting mechanism is ensured by utilizing the principle that the triangle has stability, and meanwhile, the top surface of the supporting mechanism is always kept in a horizontal state; two prop and connect through the connecting rod is articulated between the mechanism, prop two mechanisms and connect, improve the wholeness, improve the dynamics of supporting of this device. The utility model has simple structure, convenient installation and disassembly, good support property and convenient use and adjustment, can quickly adjust bridge lines with various special-shaped curves, and meets the requirements of modern bridge construction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description 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 an axial view of a variable cross-section formwork support of the present invention;
FIG. 2 is a top view of a variable cross-section formwork support of the present invention;
FIG. 3 is a side view of a variable cross-section formwork support of the present invention;
FIG. 4 is a schematic structural view of the spiral stay of the present invention;
FIG. 5 is a schematic view of the hinge base of the present invention;
wherein, 1, a base; 2. a support mechanism; 3. a jacking mechanism; 4. a connecting rod; 5. a first spiral stay; 6. a second spiral stay; 7. a third spiral stay; 8. a bottom beam; 9. a reinforcing bar; 10. a first hinge mount; 11. a second hinge mount; 12. a third hinge base; 13. a top block; 14. a supporting plate; 15. a sleeve; 16. an externally threaded rod; 17. a hinge joint; 18. locking the nut; 19 a through hole; 20. a placement groove; 21. a pin shaft; 22. a sleeve; 23. hinging a lug; 24. fixing holes and 25 connecting plates; 26. a bolt; 27. a reinforcing plate; 28 are attached to the ears.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
Referring to fig. 1-5, the utility model provides a variable cross-section formwork support, which comprises a base 1, wherein two groups of supporting mechanisms 2 are arranged at the top end of the base 1; the top end of the supporting mechanism 2 is provided with a supporting mechanism 3; the adjacent supporting mechanisms 3 are hinged through connecting rods 4;
the supporting mechanism 2 comprises a first spiral stay bar 5, a second spiral stay bar 6 and a third spiral stay bar 7, and the top ends of the first spiral stay bar 5, the second spiral stay bar 6 and the third spiral stay bar 7 are hinged with the bottom end of the top supporting mechanism 3; the bottom ends of the first spiral stay bar 5, the second spiral stay bar 6 and the third spiral stay bar 7 are respectively hinged with the top end of the base 1;
the base 1 comprises two bottom beams 8 which are arranged in parallel, the bottom ends of the first spiral stay bar 5 and the second spiral stay bar 6 are respectively hinged at corresponding positions on the two bottom beams 8, and the third spiral stay bar 7 and the second spiral stay bar 6 are hinged on the same bottom beam 8.
The utility model discloses a variable cross-section formwork support.A base 1 is fixed on the ground, a supporting mechanism 3 is supported by a supporting mechanism 2, a plurality of devices are used side by side when in use, the supporting mechanism 3 is supported at the bottom end of a variable cross-section concrete project, the relative position relation between the supporting mechanisms 3 is changed by adjusting the angle of the supporting mechanism 2, and then the required variable cross-section concrete project angle is adjusted, so that the adjustment is convenient, rapid, safe and rapid; the supporting mechanism 2 comprises a first spiral stay bar 5, a second spiral stay bar 6 and a third spiral stay bar 7 which are arranged in a triangular shape, and the stability of the supporting mechanism 3 is ensured by utilizing the principle that the triangle has stability, and meanwhile, the top surface of the supporting mechanism 3 is always kept in a horizontal state; two prop and connect through connecting rod 4 is articulated between the mechanism 3, prop two mechanism 3 connections of propping, improve the wholeness, improve the support dynamics of this device.
In a further optimized scheme, the base 1 further comprises a reinforcing structure, and the reinforcing structure is arranged between the opposite side edges of the two bottom beams 8; the reinforcing structure comprises a reinforcing rod 9 arranged in an X shape, and two sides of the reinforcing rod 9 are fixedly connected with the side edges of the two bottom beams 8 respectively. The two bottom beams 8 are fixed together in parallel by the X-shaped reinforcing rods 9, so that the stability is improved.
According to the further optimized scheme, the bottom beam 8 is made of I-shaped section steel, the groove of the section steel is arranged upwards, and a first hinge seat 10, a second hinge seat 11 and a third hinge seat 12 are arranged in the groove; the first spiral supporting rod 5 is hinged with the bottom beam 8 through a first hinge seat 10, the second spiral supporting rod 6 is hinged with the bottom beam 8 through a second hinge seat 11, and the third spiral supporting rod 7 is hinged with the bottom beam 8 through a third hinge seat 12. Articulated seat all sets up in the shaped steel up recess of I shape, the bottom surface recess of shaped steel convenient and bottom surface, ground or bridge support post, also makes things convenient for a plurality of floorgirders 8 to set up side by side simultaneously, adjusts the angle of becoming section concrete engineering.
Further optimize the scheme, first articulated seat 10 and second articulated seat 11 symmetry rigid coupling respectively are at the both ends of 8 top surfaces of floorbar, and third articulated seat 12 is close to the setting side by side with first articulated seat 10. The hinged seats on the two bottom beams 8 are arranged in an angle symmetry mode, and each supporting structure is hinged with the second hinged seat 11 and the third hinged seat 12 on the same bottom beam 8 respectively and then is hinged with the first hinged seat 10 on the other bottom beam 8 to form a stable triangular supporting structure.
In a further optimized scheme, the top supporting mechanism 3 comprises a top block 13, and the top ends of the first spiral supporting rod 5, the second spiral supporting rod 6 and the third spiral supporting rod 7 are hinged with the bottom surface of the top block 13; a supporting plate 14 is fixedly connected to the top surface of the top block 13; the top surface of the bracing plate 14 is provided with a placing groove 20. The top ends of the first spiral stay bar 5, the second spiral stay bar 6 and the third spiral stay bar 7 are hinged with the bottom surface of the top block 13, and the three hinged points are arranged in a triangular shape, so that the top block 13 can be stable and the top surface can be horizontal no matter how the angle is adjusted; a supporting plate 14 is fixedly connected to the top surface of the top block 13, the supporting plate 14 is supported at the bottom end of a variable cross-section concrete project (not shown in the figure), when the supporting mechanism 2 is adjusted, the top surface of the supporting plate 14 is lifted, and the relative position change of the supporting plates 14 changes the curve of the variable cross-section concrete project; the placement slots 20 are used to prevent crossties or other padding from slipping at the top ends of the spreader plates 14.
The first spiral stay bar 5 comprises a sleeve 15 provided with an internal thread, two ends of the sleeve 15 are in threaded connection with external thread rods 16, the tail ends of the external thread rods 16 are fixedly connected with hinged joints 17, and the hinged joints 17 are respectively hinged with the bottom surfaces of the first hinged seat 10 and the top block 13; the second and third spiral stays 6 and 7 have the same structure as the first spiral stay 5. The screw threads at the two ends of the sleeve 15 are arranged in opposite directions, when the sleeve 15 rotates, the external screw rods 16 at the two ends simultaneously move into the sleeve 15 or move out of the sleeve 15, and then the length of the screw supporting rod is adjusted; the external thread rods 16 at the two ends are in threaded connection with locking nuts 18, and after the external thread rods 17 are adjusted to proper positions, the locking nuts 18 are screwed to abut against the end of the sleeve 15 to lock the external thread rods 16; the through hole 19 has been seted up in running through on the central lateral wall of sleeve pipe 15, during the use with billet or other poles insert through-hole 19 in, conveniently rotate sleeve pipe 15, adjust more laborsavingly.
According to a further optimized scheme, a pin shaft 21 is fixedly mounted on the first hinge seat 10, a sleeve 22 is rotatably connected to the pin shaft 21, a hinge lug 23 is fixedly connected to the outer wall of the sleeve 22, and the hinge lug 23 is hinged to the hinge head 17. The deflection directions of the hinge head 17 and the hinge lug 23 are the same as the axis of the pin shaft 21; when the spiral supporting rod adjusting device is used, the sleeve 22 rotates by taking the axis of the pin shaft 21 as an axis, deflection of the spiral supporting rod by taking the pin shaft 21 as a center is realized, the hinged joint 17 deflects along the axis direction of the pin shaft 21, deflection of the spiral supporting rod in the direction vertical to the axis direction of the pin shaft 21 is realized, and the deflection of the spiral supporting rod in four directions can be realized by matching the two parts, so that the smoothness in adjusting the length of the spiral supporting rod is ensured; the articulated form of this scheme can realize the deflection of four directions, simple structure, use and maintain convenient, the flexibility is high, low in cost, is applicable to the technical scheme of this application.
Furthermore, in order to facilitate the end-to-end connection and fixation of two adjacent devices, two ends of the bottom beam 8 are respectively provided with a fixing hole 24 and are connected through a connecting plate 25 during connection, two ends of the connecting plate 25 are provided with through holes matched with the fixing holes 24, and the fixing is completed by inserting the bolts 26 into the aligned fixing holes 24 and the through holes; the method has convenient fixation and disassembly and firm connection.
Furthermore, in order to facilitate the parallel and fixed connection of two adjacent devices, the side walls of the bottom beams 8 are respectively and fixedly connected with a reinforcing plate 27, the reinforcing plate 27 is fixedly connected with a connecting lug 28, and the connecting lugs 28 correspondingly arranged on the side walls of the two bottom beams 8 are fixed by using bolts 26 for connection; the reinforcing plate 27 is welded on the side wall of the bottom beam 8, the structure of the bottom beam 8 is not required to be damaged, and the reinforcing plate 27 also structurally reinforces the connecting point to ensure that the connection is firmer; the connection is more convenient and faster by using the bolt 26.
The using method comprises the following steps:
according to the use requirement, a plurality of the device are arranged according to a certain interval and arrangement mode, then the base 1 of the device is fixed on the ground or other supporting points of points to be supported, and then the variable cross-section concrete engineering is fixed on the top surface of the supporting plate 14 according to the trend of the bridge.
According to the curve requirement of the variable cross-section concrete engineering, the height of the top surfaces of the supporting plates 14 at corresponding points is adjusted, and required curve lines are constructed through the top surfaces of the supporting plates 14.
When the height of the supporting plate 14 is adjusted, the sleeves 15 of the first spiral supporting rod 5, the second spiral supporting rod 6 and the third spiral supporting rod 7 are respectively rotated according to the direction and the size of the height to be adjusted, so that the length of the external thread rod 16 is changed, the height of the top block 13 is further changed, and finally the height of the top surface of the supporting plate 14 is changed.
After the device is used, the lengths of the first spiral stay rod 5, the second spiral stay rod 6 and the third spiral stay rod 7 of the device are shortened, and the device is taken down from a supporting point and cleaned.
The utility model has simple structure, convenient installation and disassembly, good support property and convenient use and adjustment, can quickly adjust bridge lines with various special-shaped curves, and meets the requirements of modern bridge construction.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above embodiments are only for describing the preferred mode of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides a variable cross section template support which characterized in that: the device comprises a base (1), wherein two groups of supporting mechanisms (2) are arranged at the top end of the base (1); the top end of the supporting mechanism (2) is provided with a supporting mechanism (3); the adjacent supporting mechanisms (3) are hinged through connecting rods (4);
the supporting mechanism (2) comprises a first spiral stay bar (5), a second spiral stay bar (6) and a third spiral stay bar (7), and the top ends of the first spiral stay bar (5), the second spiral stay bar (6) and the third spiral stay bar (7) are hinged with the bottom end of the top supporting mechanism (3); the bottom ends of the first spiral stay bar (5), the second spiral stay bar (6) and the third spiral stay bar (7) are respectively hinged with the top end of the base (1);
the base (1) comprises two bottom beams (8) which are arranged in parallel, the bottom ends of the first spiral supporting rods (5) and the second spiral supporting rods (6) are respectively hinged at corresponding positions on the two bottom beams (8), and the third spiral supporting rods (7) and the second spiral supporting rods (6) are hinged on the same bottom beam (8).
2. A variable-section formwork support according to claim 1, wherein: the base (1) further comprises a reinforcing structure which is arranged between the opposite side edges of the two bottom beams (8); the reinforcing structure comprises reinforcing rods (9) arranged in an X shape, and two sides of each reinforcing rod (9) are fixedly connected with the side edges of the two bottom beams (8) respectively.
3. A variable-section formwork support according to claim 1, wherein: the bottom beam (8) is made of I-shaped section steel, the groove of the section steel is arranged upwards, and a first hinge seat (10), a second hinge seat (11) and a third hinge seat (12) are arranged in the groove; the first spiral stay bar (5) is hinged with the bottom beam (8) through the first hinge seat (10), the second spiral stay bar (6) is hinged with the bottom beam (8) through the second hinge seat (11), and the third spiral stay bar (7) is hinged with the bottom beam (8) through the third hinge seat (12).
4. A variable-section formwork support according to claim 3, wherein: first articulated seat (10) with articulated seat (11) of second symmetry rigid coupling respectively are in the both ends of floorbar (8) top surface, third articulated seat (12) with first articulated seat (10) are close to the setting side by side.
5. A variable-section formwork support according to claim 4, wherein: the top supporting mechanism (3) comprises a top block (13), and the top ends of the first spiral supporting rod (5), the second spiral supporting rod (6) and the third spiral supporting rod (7) are hinged with the bottom surface of the top block (13); a supporting plate (14) is fixedly connected to the top surface of the top block (13); the top surface of the bracing plate (14) is provided with a placing groove (20).
6. A variable-section formwork support according to claim 5, wherein: the first spiral supporting rod (5) comprises a sleeve (15) provided with an internal thread, external thread rods (16) are connected to two ends of the sleeve (15) in a threaded manner, a hinged joint (17) is fixedly connected to the tail ends of the external thread rods (16), and the hinged joint (17) is hinged to the bottom surfaces of the first hinged seat (10) and the top block (13) respectively; the second spiral brace (6) and the third spiral brace (7) have the same structure as the first spiral brace (5).
7. A variable-section formwork support according to claim 6, wherein: fixed mounting has round pin axle (21) on first articulated seat (10), it is connected with sleeve (22) to rotate on round pin axle (21), the outer wall rigid coupling of sleeve (22) has hinge ear (23), hinge ear (23) with articulated joint (17) are articulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220368688.9U CN217000893U (en) | 2022-02-23 | 2022-02-23 | Variable cross section formwork support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220368688.9U CN217000893U (en) | 2022-02-23 | 2022-02-23 | Variable cross section formwork support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217000893U true CN217000893U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220368688.9U Active CN217000893U (en) | 2022-02-23 | 2022-02-23 | Variable cross section formwork support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217000893U (en) |
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2022
- 2022-02-23 CN CN202220368688.9U patent/CN217000893U/en active Active
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