CN110067207B - Reinforcing steel bar binding protection frame for high pier turnover formwork construction - Google Patents
Reinforcing steel bar binding protection frame for high pier turnover formwork construction Download PDFInfo
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- CN110067207B CN110067207B CN201910455971.8A CN201910455971A CN110067207B CN 110067207 B CN110067207 B CN 110067207B CN 201910455971 A CN201910455971 A CN 201910455971A CN 110067207 B CN110067207 B CN 110067207B
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- sliding sleeve
- flat plate
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000009415 formwork Methods 0.000 title claims abstract description 8
- 230000007306 turnover Effects 0.000 title claims abstract description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 title abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims description 10
- 241000282326 Felis catus Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a steel bar binding protection frame for high pier turnover formwork construction, which comprises a framework unit, a channel unit and a telescopic unit, wherein the channel unit is erected in the framework unit through a fixing piece, each layer of channel unit is formed by enclosing and connecting four right-angle channel modules, and the right-angle channel modules are connected through the telescopic unit; the telescopic unit comprises a sliding sleeve and a bearing sleeve which are matched with each other, the sliding sleeve and the bearing sleeve are mutually meshed, and the tail ends of two sides of the right-angle channel module are provided with the sliding sleeve or the bearing sleeve; hoisting fasteners are preset on the framework units. The invention has simple structure, can adjust the size of the bracket according to the size of the pier body, has strong applicability, can improve the efficiency of binding the reinforcing steel bars for high pier turnover formwork construction and the safety coefficient of construction, greatly reduces the labor intensity and the occupancy rate of the tower crane, and shortens the construction period.
Description
Technical Field
The invention relates to a construction protection device, in particular to a high pier turnover formwork construction steel bar binding protection frame with strong applicability.
Background
Along with the rapid development of expressways in China, the investment of foundation construction is accelerated, the number of expressways under construction is increased, and at present, the conventional method is to build a simple operation frame on an operation platform with a top section template of a pier body of the upper section with poured concrete by using steel pipes and fasteners temporarily, and the building method has the following problems:
1. when the pier stud is constructed upwards, the steel pipe fastener needs to be assembled and disassembled all the time, and the fastener is easy to lose and the steel pipe is easy to damage in the process;
2. The safety coefficient is low, and when the pier is high, a steel pipe fastener platform is erected, so that the risk of high-altitude operation is extremely high;
3. the labor efficiency is low, the operation of workers is inconvenient when the pier body steel bars are present, and the production efficiency is low;
4. The suitability is poor, needs to build different protection frames according to different pier studs, and a protection frame can not be suitable for different pier bodies.
Disclosure of Invention
The invention aims at overcoming the defects in the prior art, and provides the steel bar binding protective frame for the high pier turnover formwork construction, which is assembled and formed, is integrally hoisted when in use, is light and safe, is convenient to operate and has obvious efficiency, and the labor intensity of the protective frame is greatly reduced.
The device comprises a framework unit, a channel unit and a telescopic unit, wherein the channel unit is erected in the framework unit through a fixing piece, each layer of channel unit is formed by enclosing and connecting four right-angle channel modules, and the right-angle channel modules are connected through the telescopic unit; the telescopic unit comprises a sliding sleeve and a bearing sleeve which are matched with each other, the sliding sleeve and the bearing sleeve are mutually meshed, and the tail ends of two sides of the right-angle channel module are provided with the sliding sleeve or the bearing sleeve; hoisting fasteners are preset on the framework units.
Further, the end connection of the long limit of right angle passageway module is equipped with the slip external member, and the end connection of the minor face of right angle passageway module is equipped with the matched and accepts the external member.
Further, the four right-angle channel modules are divided into two groups, the tail ends of the long side and the short side of one group of right-angle channel modules are respectively connected with a sliding sleeve, and the tail ends of the long side and the short side of the other group of right-angle channel modules are respectively connected with a matched bearing sleeve.
Further, a chute is arranged at one end of the sliding sleeve connected with the right-angle channel module, a hydraulic controller is arranged in the chute, and the hydraulic controller is in sliding connection with the chute; the hydraulic controller is provided with a telescopic shaft, the other end of the sliding sleeve is fixedly provided with a limit supporting flat plate, the telescopic shaft penetrates through the side wall of the sliding sleeve and extends into the limit supporting flat plate, a limit groove corresponding to the limit supporting flat plate is formed in the bearing sleeve, and the limit supporting flat plate is in sliding connection with the limit groove.
Further, a limit bolt which is movably connected is further arranged at two ends of the limit support flat plate between the sliding sleeve piece and the bearing sleeve piece.
Further, a plurality of recesses have been seted up to spacing dull and stereotyped bilateral symmetry of supporting, the inside spacing bolt that is provided with of recess, spacing bolt with spacing dull and stereotyped articulated of supporting, spacing bolt with recess junction is equipped with elastomeric element, the fixed a plurality of shackles that are equipped with on the telescopic shaft, spacing bolt and shackles one-to-one setting, all be equipped with two fixed haulage ropes of length on the shackles, one haulage rope connects the spacing bolt of correspondence, and adjacent spacing bolt is connected to another haulage rope.
Further, the included angle between the limiting bolt and the side surface of the limiting support flat plate is 45-60 degrees under the condition that the limiting bolt is not subjected to external force, and the included angle between the corresponding groove and the side surface of the limiting support flat plate is-45-60 degrees.
Further, the skeleton unit is detachably connected through the bolt body by a plurality of angle steels with the length of 1.2-2.0m, and the skeleton unit is at least one layer.
Further, the framework unit on be equipped with the cat ladder, the cat ladder adopts the angle steel to pass through the bolt fastening on the framework unit, the inter-frame adopts the cat ladder to connect from top to bottom.
The beneficial effects of the invention are as follows:
The size of the frame can be adjusted according to the size of the pier body so as to adapt to different pier bodies, the adaptability is strong, the installed protective frame with the channel and the ladder stand is integrally hoisted to a bracket platform on which the periphery of the template at the top of the concrete pier column is poured by the tower crane, and the protective frame is stably located on the bracket of the template. And (5) after the binding of the reinforcing steel bars is completed and the reinforcing steel bars are accepted, hanging off the protective frame integrally. Finally, the templates are installed and concrete is poured, so that a large amount of manpower is saved, labor is saved when personnel tie the steel bars, and the protective frame is assembled and formed, so that the material cost is greatly saved; the device is portable and easy to disassemble, install and transport; the operation platform is safe, and the effect is more obvious especially in high altitude.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
fig. 3 is a schematic view of the telescopic unit structure of the present invention.
FIG. 4 is a schematic diagram of the front structure of the skeleton unit of the present invention;
FIG. 5 is a schematic side view of a framework unit according to the present invention;
In the figure: 1. skeleton unit, 2, passageway unit, 3, telescoping unit, 4, right angle passageway module, 5, slip external member, 6, accept external member, 7, hoist and mount fastener, 8, spout, 9, hydraulic controller the telescopic support comprises a telescopic shaft, a limiting support flat plate, a limiting groove, a limiting bolt, an elastic component, a shaft buckle, a pulling rope, a ladder stand and a limiting bolt.
Detailed Description
Referring to fig. 1 to 5, the high pier turning construction steel bar binding protection frame comprises a framework unit 1, a channel unit 2 and a telescopic unit 3, wherein the channel unit 2 is erected in the framework unit 1 through a fixing piece, each layer of channel unit 2 is formed by enclosing and connecting four right-angle channel modules 4, and when the length of the right-angle channel modules 4 cannot meet the requirement of the pier body length, the mutually matched strip-shaped channel modules can be further arranged to lengthen the right-angle channel modules 4.
The right-angle channel modules 4 are connected through a telescopic unit 3; the telescopic unit 3 comprises a sliding sleeve 5 and a receiving sleeve 6 which are matched with each other, the sliding sleeve 5 and the receiving sleeve 6 are mutually meshed, and the tail ends of two sides of the right-angle channel module 4 are provided with the sliding sleeve 5 or the receiving sleeve 6; the hoisting fastener 7 is preset on the framework unit 1. The end connection of the long limit of right angle passageway module 4 is equipped with slip external member 5, and the end connection of the minor face of right angle passageway module 4 is equipped with matched with and accepts external member 6. The four right-angle channel modules 4 are divided into two groups, the tail ends of the long side and the short side of one group of right-angle channel modules 4 are respectively connected with a sliding sleeve 5, and the tail ends of the long side and the short side of the other group of right-angle channel modules 4 are respectively connected with a matched bearing sleeve 6. A chute 8 is arranged at one end of the sliding sleeve 5 connected with the right-angle channel module 4, a hydraulic controller 9 is arranged in the chute 8, and the hydraulic controller 9 is in sliding connection with the chute 8; the hydraulic controller 9 is provided with a telescopic shaft 10, the other end of the sliding sleeve 5 is fixedly provided with a limit supporting plate 11, the telescopic shaft 10 penetrates through the side wall of the sliding sleeve 5 and extends into the limit supporting plate 11, the bearing sleeve 6 is provided with a limit groove 12 corresponding to the limit supporting plate 11, and the limit supporting plate 11 is in sliding connection with the limit groove 12. And two ends of the limit support flat plate 11 between the sliding sleeve 5 and the bearing sleeve 6 are also provided with limit bolts 19 which are movably connected. The two sides of the limit support flat plate 11 are symmetrically provided with a plurality of grooves 13, limit bolts 14 are arranged in the grooves 13, the limit bolts 14 are hinged to the limit support flat plate 11, elastic components 15 are arranged at the joint of the limit bolts 14 and the grooves 13, a plurality of shaft buckles 16 are fixedly arranged on the telescopic shaft 10, the limit bolts 14 are arranged in a one-to-one correspondence with the shaft buckles 16, two traction ropes 17 with fixed lengths are arranged on the shaft buckles 16, one traction rope 17 is connected with the corresponding limit bolts 14, and the other traction rope 17 is connected with the adjacent limit bolts 14. The included angle between the limiting bolt 14 and the side surface of the limiting support flat plate 11 under the condition that the limiting bolt is not subjected to external force is 45-60 degrees, and the included angle between the corresponding groove 13 and the side surface of the limiting support flat plate 11 is-45-60 degrees. The framework unit 1 is detachably connected through a bolt body by a plurality of angle steels with the length of 1.2-2.0m, and the framework unit 1 is at least one layer. The framework unit 1 on be equipped with cat ladder 18, cat ladder 18 adopts the angle steel to pass through the bolt fastening on framework unit 1, the framework layer adopts cat ladder 18 to connect from top to bottom.
During implementation, the size of the channel unit 2 is adjusted according to the size of the pier body, when the channel unit 2 is built, the sliding sleeve 5 of the right-angle channel module 4 corresponds to the bearing sleeve 6 at the tail end of the other right-angle channel module 4, the limiting support flat plate 11 penetrates through the bearing sleeve 6 and is placed inside the bearing sleeve 6, the hydraulic controller 9 is started, the limiting support flat plate 11 moves towards the inside of the bearing sleeve 6, an elastic part 15 is arranged at the joint of the limiting bolt 14 and the groove 13, when the limiting bolt 14 moves inwards, the bearing sleeve 6 presses the limiting bolt 14 downwards into the groove 13, a movable groove corresponding to the limiting bolt 14 is formed inside the bearing sleeve 6, when the limiting bolt 14 enters inside the bearing sleeve 6, the groove 13 is ejected under the action of the elastic part 15, the adjacent limiting bolt 14 which does not enter inside the bearing sleeve 6 in the movable groove jointly acts to clamp the limiting support flat plate 11 inside the bearing sleeve 6, scales are carved on the limiting support flat plate 11, when the required length is reached, the hydraulic controller 9 is closed, the channel unit 2 is assembled, the fixing part is used for lifting the framework unit 1 and the channel unit 2 together, the whole bracket is machined, and the whole protection bracket is welded after the whole protection bracket is assembled, and the protection bracket is welded. When the protective frame is located on the pier stud outer mold bracket, the protective frame needs to be fixed with the outer mold bracket.
When the telescopic shaft 10 is fixedly provided with a plurality of shaft buckles 16, the limiting bolts 14 are arranged in one-to-one correspondence with the shaft buckles 16, two traction ropes 17 with fixed lengths are arranged on the shaft buckles 16, one traction rope 17 is connected with the corresponding limiting bolt 14, the other traction rope 17 is connected with the adjacent limiting bolt 14, the end of the receiving sleeve member 6 is fixed, the hydraulic controller 9 is started, the telescopic shaft 10 moves outwards, the limiting bolt 14 is pulled towards the direction of the groove 13 by the traction rope 17, the telescopic shaft 10 moves outwards continuously until the limiting bolt 14 completely enters the groove 13, the limiting support flat plate 11 can be separated from the receiving sleeve member 6, and the dismounting of the channel unit 2 is completed.
The bottom layer of the concrete skeleton unit 1 is exposed for 20 cm, and the top layer is exposed for 1.2 m, so that the concrete skeleton unit is conveniently fixed on an outer mold bracket; for safety, a safety net is added on the periphery of the framework unit 1.
When the concrete pier column is used, the mounted protection frame is integrally hoisted to a bracket platform at the periphery of the template at the top of the poured concrete pier column by using a tower crane, so that the protection frame located on the template bracket is stable. And (5) hanging off the protective frame in the whole after the binding of the reinforcing steel bars is completed and the reinforcing steel bars are checked to be qualified. And finally installing a template and pouring concrete. In specific use, the joint of each framework is required to be full, and the welding requirement is met.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Claims (3)
1. The high pier turnover formwork construction steel bar binding protection frame is characterized by comprising a framework unit, a channel unit and a telescopic unit, wherein the channel unit is erected in the framework unit through a fixing piece, each layer of channel unit is formed by enclosing and connecting four right-angle channel modules, and the right-angle channel modules are connected through the telescopic unit; the telescopic unit comprises a sliding sleeve and a bearing sleeve which are matched with each other, the sliding sleeve and the bearing sleeve are mutually meshed, and the tail ends of two sides of the right-angle channel module are provided with the sliding sleeve or the bearing sleeve; the hoisting fastener is preset on the framework unit, the tail end of the long side of the right-angle channel module is connected with a sliding sleeve, the tail end of the short side of the right-angle channel module is connected with a matched bearing sleeve, the four right-angle channel modules are divided into two groups, the tail ends of the long side and the short side of one group of right-angle channel modules are connected with the sliding sleeve, the tail ends of the long side and the short side of the other group of right-angle channel modules are connected with the matched bearing sleeve, one end of the sliding sleeve connected with the right-angle channel module is provided with a sliding groove, and a hydraulic controller is arranged in the sliding groove and is in sliding connection with the sliding groove; the hydraulic controller is provided with a telescopic shaft, the other end of the sliding sleeve member is fixedly provided with a limit supporting flat plate, the telescopic shaft penetrates through the side wall of the sliding sleeve member and extends to the inside of the limit supporting flat plate, a limit groove corresponding to the limit supporting flat plate is formed in the bearing sleeve member, the limit supporting flat plate is connected with the limit groove in a sliding mode, limit bolts which are movably connected are further arranged at the two ends of the limit supporting flat plate between the sliding sleeve member and the bearing sleeve member, a plurality of grooves are symmetrically formed in the two sides of the limit supporting flat plate, limit bolts are arranged in the grooves, the limit bolts are hinged to the limit supporting flat plate, elastic components are arranged at the joint of the limit bolts and the grooves, a plurality of shaft buckles are fixedly arranged on the telescopic shaft in a one-to-one mode, two traction ropes with fixed lengths are arranged on the shaft buckles, one traction rope is connected with the corresponding limit bolts, the other traction ropes are connected with the adjacent limit bolts, the limit bolts are not subjected to external force, the limit bolts are 45-60 degrees to the side faces of the limit supporting flat plate, and the limit bolts are correspondingly provided with the limit bolts at the limit angles of 45-60 degrees to the side faces of the limit supporting flat plate.
2. The high pier turnover formwork construction steel bar binding protection frame according to claim 1, wherein a ladder stand is arranged on the framework unit, the ladder stand is fixed on the framework unit through bolts by angle steel, and the framework layers are connected up and down by the ladder stand.
3. The high pier turning construction steel bar binding protective frame according to claim 1, wherein the framework units are detachably connected through bolts by a plurality of angle steels with the lengths of 1.2-2.0m, and the framework units are at least one layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910455971.8A CN110067207B (en) | 2019-05-29 | 2019-05-29 | Reinforcing steel bar binding protection frame for high pier turnover formwork construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910455971.8A CN110067207B (en) | 2019-05-29 | 2019-05-29 | Reinforcing steel bar binding protection frame for high pier turnover formwork construction |
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| CN110067207A CN110067207A (en) | 2019-07-30 |
| CN110067207B true CN110067207B (en) | 2024-05-17 |
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| CN201910455971.8A Active CN110067207B (en) | 2019-05-29 | 2019-05-29 | Reinforcing steel bar binding protection frame for high pier turnover formwork construction |
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| CN111576233A (en) * | 2020-05-29 | 2020-08-25 | 中铁一局集团有限公司 | Round-end-shaped single-side slope-collecting type bridge high pier reinforcement binding protection frame and application method thereof |
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