CN221345302U - Construction platform for internal operation of hollow pier - Google Patents
Construction platform for internal operation of hollow pier Download PDFInfo
- Publication number
- CN221345302U CN221345302U CN202323173680.0U CN202323173680U CN221345302U CN 221345302 U CN221345302 U CN 221345302U CN 202323173680 U CN202323173680 U CN 202323173680U CN 221345302 U CN221345302 U CN 221345302U
- Authority
- CN
- China
- Prior art keywords
- framework
- skeleton
- pier
- platform
- hollow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 238000009415 formwork Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a construction platform for internal operation of a hollow pier, which comprises back rib assemblies arranged at the back of an internal pier template of the pier, wherein the back rib assemblies comprise a plurality of circles of annular back ribs distributed along the height direction, transverse frameworks and longitudinal frameworks are spliced in a crisscross manner to form a rectangular framework structure, a plurality of lateral frameworks are welded at the middle parts of the transverse two ends of the rectangular framework structure in an emission mode, the lateral frameworks and the rectangular framework structure are combined to form a platform framework, the longitudinal frameworks and the lateral frameworks are hollow square tubes, telescopic rods are inserted into the two ends of each longitudinal framework and one end of each lateral framework far away from the rectangular framework structure, so that all the telescopic rods are distributed in a circular manner, the telescopic rods can move relative to the corresponding frameworks, the platform framework is integrally lapped on one annular back rib through each telescopic rod, and foot pads are paved on the platform framework. The utility model is convenient for changing and adjusting the construction height, and improves the efficiency of the internal construction of the hollow pier.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a construction platform for internal operation of a hollow pier.
Background
The traditional bridge pier construction generally adopts a cast-in-situ solid section, and has the defects of large consumption of concrete and reinforced materials, high construction cost, large influence on environment and the like. The hollow bridge pier has the characteristics of low cost, large section modulus, light dead weight and better structural rigidity and strength, and is increasingly applied to the engineering projects of high bridges. The operation platform in the hollow pier often adopts the form of falling the lower margin hand frame, if the pier height is higher, the hollow size is great, and the scaffold frame material that the form of falling the lower margin hand frame occupied is many, and the risk is big, and it is inefficiency to build. Therefore, the prefabricated construction platform is considered, but the internal section size of the hollow pier is reduced along with the rise of the height, and the traditional prefabricated construction platform is inconvenient to hoist and mount.
Disclosure of utility model
Aiming at the problems in the prior art, the utility model aims to provide a construction platform for the internal operation of the hollow pier, which can be lapped on the back ribs of the inner mould plates at different height positions, is convenient for changing and adjusting the construction height and improves the internal construction efficiency of the hollow pier.
In order to achieve the above-mentioned purpose, the utility model provides a construction platform for the internal operation of a hollow pier, comprising a pier inner formwork, wherein the back of the pier inner formwork is provided with a back rib assembly, the back rib assembly comprises a plurality of rings of annular back ribs distributed along the height direction of the pier inner formwork, and also comprises a plurality of transverse frameworks and longitudinal frameworks, the transverse frameworks and the longitudinal frameworks are vertically and horizontally spliced to form a rectangular frame structure, a plurality of lateral frameworks are welded in the middle of the transverse two ends of the rectangular frame structure in an emission mode, the lateral frameworks and the rectangular frame structure are combined to form a platform framework, the shape of the platform framework is matched with the internal cross section shape of the hollow pier, the size of the platform framework is smaller than the minimum internal cross section size of the hollow pier, the longitudinal frameworks and the lateral frameworks are hollow square tubes, telescopic rods are inserted into the two ends of each longitudinal framework and one end of each lateral framework far away from the rectangular frame structure, so that all telescopic rods are distributed in an annular direction, the telescopic rods can move relative to the corresponding frameworks, each telescopic rod is provided with a moving locking piece, and the platform is integrally lapped on one ring of the back rib through the telescopic rods.
In the scheme, the method comprises the following steps: the transverse framework, the longitudinal framework and the lateral framework are all hollow square steel with the length of 10x10cm, and the telescopic rod is solid square steel with the length of 8x8 cm.
In the scheme, the method comprises the following steps: the overlap joint distance of the telescopic rod in the longitudinal framework or the lateral framework is more than 50cm, so that the unstable platform caused by excessive extraction of the telescopic rod is avoided.
In the scheme, the method comprises the following steps: the movable locking piece comprises a fixing nut, the fixing nut is welded on the top surfaces of the longitudinal framework and the lateral framework in a projection mode, a mounting hole which is communicated with the longitudinal framework and the lateral framework is formed in the position, corresponding to the fixing nut, of the fixing nut, a supporting bolt is screwed in the fixing nut, the supporting bolt can penetrate through the mounting hole to be supported on the telescopic rod, and the telescopic rod is locked by the movable locking piece after being stretched in place, so that shaking and excessive extraction are avoided.
In the scheme, the method comprises the following steps: the fixing nut is arranged by the port of the longitudinal framework or the lateral framework, so that the movable locking piece is prevented from being arranged too close to the inside of the platform framework, and the telescopic rod cannot be locked. One end of the lateral framework, which is close to the rectangular frame structure, is sealed and welded on the rectangular frame structure.
In the scheme, the method comprises the following steps: a gap is reserved between the annular back rib and the pier inner template, a vertical hook block is arranged at the end part of the exposed end of the telescopic rod, and can extend into the gap and be hooked on the annular back rib, so that the lap joint stability of the telescopic rod and the annular back rib is guaranteed.
The beneficial effects of the utility model are as follows:
The size of the inner section of the hollow pier is decreased along with the increase of the height, so that the setting size of each annular back rib is also different, the size of each annular back rib is decreased from low to high, the peripheral size of the construction platform can be adjusted by adjusting the length of the telescopic rod extending out of the corresponding framework, and the hollow pier can be lapped on the annular back ribs at different height positions, thereby being convenient for changing and adjusting the construction height and improving the efficiency of the internal construction of the hollow pier.
Drawings
Fig. 1 is a schematic view (top view) of the structure of the present utility model.
Fig. 2 is a schematic view of a rectangular frame structure (the movable locking member is not fully drawn).
Fig. 3 is a schematic structural view of a platform framework.
Detailed Description
As shown in fig. 1 to 3, a construction platform for the internal operation of a hollow pier is mainly composed of a pier inner template, a transverse framework 2, a longitudinal framework 3 and a lateral framework 4.
The back of the pier inner template is provided with a back rib assembly, and the back rib assembly comprises a plurality of circles of circumferential back ribs 1 distributed along the height direction of the pier inner template.
The transverse frameworks 2 and the longitudinal frameworks 3 are spliced in a crisscross manner to form a rectangular frame structure a, and a plurality of lateral frameworks 4 are welded in a radial mode at the middle parts of the two transverse ends of the rectangular frame structure a. The lateral framework 4 and the rectangular framework structure a are combined to form a platform framework A, the shape of the platform framework A is matched with the inner cross section shape of the hollow pier 5, and the size of the platform framework A is smaller than the inner cross section size of the minimum part of the hollow pier 5.
The longitudinal frameworks 3 and the lateral frameworks 4 are hollow square tubes, and telescopic rods 6 are inserted into the two ends of each longitudinal framework 3 and one end, far away from the rectangular frame structure a, of the lateral frameworks 4, so that all the telescopic rods 6 are distributed in a circumferential direction. The telescopic rods 6 are movable relative to the corresponding frame, and each telescopic rod 6 is provided with a movable locking member 8. The platform framework is integrally lapped on one of the annular back ribs 1 through each telescopic rod 6.
A footplate 7 (not shown in the figures) is laid on the platform framework a.
Preferably, the transverse skeleton 2, the longitudinal skeleton 3 and the lateral skeleton 4 are all hollow square steel with the length of 10x10cm, and the telescopic rod 6 is solid square steel with the length of 8x8 cm.
Preferably, the overlapping distance of the telescopic rod 6 in the longitudinal framework 3 or the lateral framework 4 is greater than 50cm, so that the unstable platform caused by excessive extraction of the telescopic rod 6 is avoided.
Preferably, the movable locking piece 8 comprises a fixing nut, the fixing nut is welded on the top surfaces of the longitudinal framework 3 and the lateral framework 4 in a projection manner, a mounting hole communicated with the fixing nut is formed in the position of the longitudinal framework 3 and the lateral framework 4 corresponding to the fixing nut, a supporting bolt is screwed in the fixing nut, the supporting bolt can be screwed to pass through the mounting hole to be supported on the telescopic rod 6, and the telescopic rod 6 is locked by adopting the movable locking piece after being telescopic in place, so that shaking and excessive extraction are avoided.
Preferably, the fixing nut is arranged by the port of the longitudinal framework 3 or the lateral framework 4, so that the movable locking piece is prevented from being arranged too close to the inside of the platform framework A, and the telescopic rod cannot be locked. One end of the lateral framework 4 close to the rectangular frame structure a is welded on the rectangular frame structure a in a sealing way.
Preferably, a gap is reserved between the annular back rib 1 and the pier inner template, and a vertical hooking block is arranged at the end part of the exposed end of the telescopic rod 6, can extend into the gap and is hooked on the annular back rib 1, so that the lap joint stability of the telescopic rod 6 and the annular back rib 1 is ensured.
Claims (6)
1. A construction platform for hollow pier internal operation, includes pier inner formword, the back of pier inner formword is provided with back rib subassembly, back rib subassembly includes multi-turn hoop back rib (1) that lay along pier inner formword direction of height, its characterized in that: still include a plurality of horizontal skeleton and vertical skeleton, horizontal skeleton (2) and vertical skeleton (3) vertically and horizontally staggered splice formation rectangle frame construction (a), be the welding of transmission form at the horizontal both ends middle part of rectangle frame construction (a) and have a plurality of side direction skeleton (4), side direction skeleton (4) and rectangle frame construction (a) combination form platform skeleton (A), the shape of platform skeleton (A) matches with the interior cross-section shape of hollow pier (5), and its size is less than the minimum department interior cross-section size of hollow pier (5), vertical skeleton (3) and side direction skeleton (4) are hollow square pipe, all insert at the both ends of every vertical skeleton (3) and the one end that side direction skeleton (4) kept away from rectangle frame construction (a) and are equipped with telescopic link (6) for all telescopic link (6) are the hoop and distribute, telescopic link (6) can correspond the skeleton relatively and remove, and every telescopic link (6) all are equipped with and remove retaining member (8), the platform skeleton is through each telescopic link (6) wholly overlap joint in one of them and is the back of the rib (1), lays backing plate (7) on the backing plate (A).
2. The construction platform for the internal work of the hollow pier according to claim 1, wherein: the transverse framework (2), the longitudinal framework (3) and the lateral framework (4) are all hollow square steel with the length of 10x10cm, and the telescopic rod (6) is solid square steel with the length of 8x8 cm.
3. The construction platform for the internal work of the hollow pier according to claim 1, wherein: the overlapping distance of the telescopic rod (6) in the longitudinal framework (3) or the lateral framework (4) is more than 50cm.
4. A construction platform for use in the internal work of a hollow pier according to claim 3, wherein: the movable locking piece (8) comprises a fixing nut, the fixing nut is welded on the top surfaces of the longitudinal framework (3) and the lateral framework (4) in a projection mode, a mounting hole which is communicated with the longitudinal framework (3) and the lateral framework (4) is formed in the position, corresponding to the fixing nut, of the fixing nut, a supporting bolt is screwed in the fixing nut, and the supporting bolt can penetrate through the mounting hole to be supported on the telescopic rod (6).
5. The construction platform for the internal work of the hollow pier according to claim 4, wherein: the fixing nut is arranged by the port of the longitudinal framework (3) or the lateral framework (4).
6. The construction platform for the internal work of the hollow pier according to claim 1, wherein: a gap is reserved between the annular back rib (1) and the pier inner template, a vertical hook block is arranged at the end part of the exposed end of the telescopic rod (6), and the vertical hook block can extend into the gap and is hooked on the annular back rib (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323173680.0U CN221345302U (en) | 2023-11-23 | 2023-11-23 | Construction platform for internal operation of hollow pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323173680.0U CN221345302U (en) | 2023-11-23 | 2023-11-23 | Construction platform for internal operation of hollow pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221345302U true CN221345302U (en) | 2024-07-16 |
Family
ID=91836565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323173680.0U Active CN221345302U (en) | 2023-11-23 | 2023-11-23 | Construction platform for internal operation of hollow pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221345302U (en) |
-
2023
- 2023-11-23 CN CN202323173680.0U patent/CN221345302U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108915153A (en) | Assembly concrete superposed column installation method and system | |
| CN109138431B (en) | Super high-rise pump pipe bridge crossing device and construction method thereof | |
| CN103321155B (en) | Viaduct pier operation platform system and build this system and pour into a mould the method for bridge pier | |
| CN111663457A (en) | Assembly module, modular construction platform and method and bridge abutment construction method | |
| CN109869153B (en) | Integral lifting cantilever formwork device for rapidly constructing shaft lining and construction method | |
| CN221345302U (en) | Construction platform for internal operation of hollow pier | |
| CN214993171U (en) | Bridge bent cap construction is with assembled sectional shelf-unit platform | |
| CN213418186U (en) | Circular roofing steel truss structure | |
| CN113833263A (en) | Integral lantern type support circulating hoisting construction method for frame column | |
| CN211420881U (en) | Movable formwork for concrete construction of overhanging wing plate of steel-concrete composite beam | |
| CN211143800U (en) | Reusable rainproof steam-curing dual-purpose shed for beam yard | |
| CN203307733U (en) | Construction platform system of concrete pier of viaduct | |
| CN102619335A (en) | Construction method of large-height small-sized cast-in-place concrete beam slab | |
| CN110056181A (en) | A kind of subsided rest room assembly steel form and construction method | |
| CN213267906U (en) | Circular foundation ditch is pour and is used pin-connected panel steel form | |
| CN212452315U (en) | Assembly module and modular construction platform | |
| CN213174742U (en) | Top bracing steel stand structure | |
| CN115387234A (en) | Template system of lower beam of ultrahigh rhombic tower pier and construction method | |
| CN212359139U (en) | Box girder mounting bracket | |
| CN212002169U (en) | Shear force wall eminence concrete structure formwork platform of encorbelmenting | |
| KR20150120779A (en) | Bracket for the horizontal frame of a one-way steel structure | |
| CN212000638U (en) | Overhead cover beam type steel supporting structure | |
| CN209907886U (en) | Adjustable assembled stair construction platform | |
| CN219707805U (en) | Steel box girder storage jig frame | |
| CN213740645U (en) | Temporary buttress support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |