CN209780271U - Box girder steel bar modularization pre-binding frame - Google Patents
Box girder steel bar modularization pre-binding frame Download PDFInfo
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- CN209780271U CN209780271U CN201920168577.1U CN201920168577U CN209780271U CN 209780271 U CN209780271 U CN 209780271U CN 201920168577 U CN201920168577 U CN 201920168577U CN 209780271 U CN209780271 U CN 209780271U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 100
- 239000010959 steel Substances 0.000 title claims abstract description 100
- 230000008093 supporting effect Effects 0.000 claims abstract description 27
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 description 41
- 230000002787 reinforcement Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 8
- 230000001976 improved effect Effects 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a box girder reinforcing steel bar modularization pre-binding frame, which comprises a pre-binding outer frame and a pre-binding inner frame which are detachably connected; the pre-binding outer frame comprises an outer frame bottom module and two outer frame side modules which are detachably connected; the outer frame bottom module comprises a bottom transverse rod and a bottom longitudinal rod which are detachably connected; the outer frame side module comprises a plurality of support pieces, all the support pieces are connected through a plurality of longitudinal connecting rods, and a steel bar positioning device is arranged; the pre-binding inner frame comprises an inner frame upright post module connected with the outer frame bottom module and an upper lifting module which can move longitudinally relative to the inner frame upright post module; the upper lifting module comprises a middle supporting frame and a top supporting frame positioned above the middle supporting frame; the middle support frame is provided with a movable sleeve and a fixed sleeve which are mutually sleeved in the vertical direction, and the movable sleeve can slide up and down relative to the fixed sleeve; the top support frame comprises a support steel frame and a top steel plate, and a steel bar positioning device is arranged on the top steel plate.
Description
Technical Field
The utility model relates to a bridge engineering technical field, especially a case roof beam reinforcing bar modularization is pricked frame in advance.
Background
The traditional box girder steel bar pre-binding frame mainly adopts a section steel bracket and angle steel slotting and welding to manufacture a steel bar binding and positioning structure. And (4) binding the steel bars in a split manner according to the bottom web steel bars and the top plate steel bars, and constructing in a split hoisting manner.
With the continuous improvement of the standardized process and the quality standard requirements of beam manufacturing, the above construction modes can not meet the requirements of standardized prefabrication production of box beams, and the following defects mainly exist:
(1) The traditional steel bar pre-binding frame is mainly manufactured by adopting a welding process, and a large amount of steel is wasted after the project is finished due to the fact that the steel bar pre-binding frame is large in amount and cannot be reused.
(2) adopt end web reinforcing bar, roof reinforcing bar components of a whole that can function independently ligature, hoist respectively, the mode of equipment again in the model: firstly, the working procedure takes too long time and is time-consuming; and secondly, the chamfer angles on the two sides of the web plate cannot simulate the shape of the beam body, and the positioning and placing positions of the reinforcing steel bars are inaccurate. The inclined steel bars at the flange plate and the web plate are difficult to bind, the binding quality is difficult to control, the steel bars are easy to loosen and move in the concrete pouring process, and the quality is difficult to control; and thirdly, formwork assembling is required in each reinforcing steel bar binding process, the construction period is long, and the work efficiency is low. The formwork assembly is generally manually assembled on site, a special person is required to manage the work, the construction cost is increased, and safety risks exist.
(3) Adopt the steel bar ligature frame to adopt the mode of welding group piecing together into whole mould, at first need guarantee the bulk rigidity, intensity and the stability of mould, increased the use amount of steel from this, and remove at every turn and all need the portal crane to hoist, can produce the use cost of equipment from this, unfavorable engineering cost's control.
In conclusion, the split steel bar binding increases the working procedure time, prolongs the model turnover time and is not beneficial to the improvement of the production efficiency of the beam yard; the adoption of the assembly welding integral type clamping fixture needs to increase the labor and equipment investment, which is not beneficial to the control of the engineering cost; meanwhile, the manual assembly and construction process is adopted, so that the quality safety control is not facilitated.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: to the problem that prior art exists, provide a case roof beam reinforcing bar modularization and prick frame in advance.
In order to realize the purpose, the utility model discloses a technical scheme be:
A box girder steel bar modularization pre-binding frame comprises a pre-binding outer frame and a pre-binding inner frame, wherein the pre-binding outer frame and the pre-binding inner frame are detachably connected;
The pre-binding outer frame comprises an outer frame bottom module and two outer frame side modules, and the two outer frame side modules are detachably connected to two sides of the outer frame bottom module;
The outer frame bottom module comprises a bottom transverse rod and a bottom longitudinal rod, the bottom transverse rod and the bottom longitudinal rod are detachably connected, and the outer frame bottom module is provided with a steel bar positioning device;
the outer frame side module comprises a plurality of support pieces, all the support pieces are connected through a plurality of longitudinal connecting rods, and reinforcing steel bar positioning devices are arranged at the positions of a box girder web plate and a flange plate of the outer frame side module;
The pre-binding inner frame comprises an inner frame upright post module connected with the outer frame bottom module and an upper lifting module which can move longitudinally relative to the inner frame upright post module;
The inner frame upright post module comprises a plurality of support upright posts, and all the support upright posts are positioned at the positions of the drainage holes of the box girder bottom plate;
The upper lifting module comprises a middle supporting frame and a top supporting frame positioned above the middle supporting frame; the middle support frame is provided with a movable sleeve and a fixed sleeve which are sleeved with each other in the vertical direction, the movable sleeve can slide up and down relative to the fixed sleeve and is fixed through a limiting device, and the movable sleeve is connected with the electric drive turbine box; the top support frame comprises a support steel frame and a top steel plate, and a steel bar positioning device is arranged on the top steel plate.
The utility model discloses a prefabricated frame of reinforcing bar adopts the modularized design, and the segmentation preparation of batch production is assembled into holistic mode on the spot, and the transportation is convenient, can effectively shorten beam yard construction cycle and reduce the on-the-spot operating time of assembling, improves work efficiency. The utility model discloses an adopt detachable connection between the different modules, consequently, can have enough to meet the need the use many times, be favorable to reducing construction manufacturing cost and practicing thrift steel, and the production needs of applicable multiple roof beam type. The utility model discloses a bottom web reinforcing bar and roof reinforcing bar can carry out the ligature simultaneously, and not only the ligature high quality has just reduced the process, has improved work efficiency, has practiced thrift engineering cost.
And, the utility model discloses prick the inner tower in advance and adopted automatic lifting device and vertical running gear, realize the roof reinforcing bar and prick the automatic moving as a whole of frame in advance, whole lift need not to drop into equipment specially and hoist, and need not to lay special walking track, convenient operation is favorable to promoting work efficiency and beam yard progress control, reduces operating personnel's intensity of labour and equipment input.
As the utility model discloses an optimal scheme, top sprag frame's support steelframe includes the top crossbeam, and is located the movable support arm of top crossbeam both sides, the one end of activity support arm with the top crossbeam is articulated, the other end of activity support arm pass through the support arm bracing with the middle part support frame is articulated. According to the design of the box girder, the connecting part of the bridge deck and the web plate is designed to be an inclined plane, a large number of oblique reinforcing steel bars are arranged at the connecting part, and in order to better meet the design requirements, the reinforcing steel bars at the connecting part need to be accurately positioned, so that the overall dimension of the girder body needs to be fully reduced. Therefore, a movable support arm which is inclined downwards is arranged at the chamfer of the web plate and is positioned by the support arm inclined strut. The utility model provides a roof and the steel bar connection problem at the slant chamfer position of last web junction, improved the positioning accuracy of reinforcing bar, promoted reinforcing bar process quality.
as the utility model discloses a preferred scheme, the top of support post is equipped with the gyro wheel, fixed sleeving's bottom is connected with the slip steel pipe of looks adaptation, the slip steel pipe can along gyro wheel longitudinal movement. As the preferred scheme of the utility model, upper portion liftable module is connected with the motor. The automatic lifting of the pre-binding inner frame is realized through the sleeve structure and the motor, the structure is simple, and the operation is convenient.
As the utility model discloses an optimal scheme, outrigger bottom module and outrigger lateral part module still are equipped with a plurality of accommodate the lead screw and accommodate the lead screw base in the bottom, accommodate the lead screw with outrigger bottom module or the detachable connection of outrigger lateral part module. The bottom adjusting screw rod can be adjusted in the installation process, so that the whole pre-binding outer frame is arranged on the same horizontal plane, and the installation quality is ensured. Meanwhile, if the pre-pricked outer frame slightly deforms due to uneven ground settlement caused by adverse factors such as foundation settlement and the like, the flatness of the frame can be timely recovered by adjusting the bottom adjusting screw rod, the workload of re-cutting and welding after the former deformation is reduced, and the production efficiency is improved.
As the utility model discloses an optimized scheme, the last oval notch of having seted up of movable sleeve, the round hole has been seted up to the fixed sleeving, the movable sleeve pass through the locating pin with the fixed sleeving carries out spacing connection, simple structure, convenient operation.
As the utility model discloses an optimal scheme, the reinforcing bar positioner of outrigger bottom module includes the horizontal reinforcing bar constant head tank that is used for fixing a position horizontal reinforcing bar that is equipped with on the bottom vertical pole, and the longitudinal reinforcement constant head tank that is used for fixing a position longitudinal reinforcement that is equipped with on the bottom horizontal pole, the reinforcing bar constant head tank is semi-circular trompil structure. The reinforcing steel bar positioning grooves are obtained by preprocessing in a factory, and the processing precision is high. When the device is applied to different beam types, the mode of replacing the bottom longitudinal rod and the bottom transverse rod can be adopted.
As the utility model discloses an optimal scheme, the reinforcing bar positioner of outrigger lateral part module includes the horizontal reinforcing bar constant head tank that is equipped with on the longitudinal tie pole, the reinforcing bar constant head tank is semi-circular trompil structure, and every a plurality of that the support piece is equipped with in case beam web department is used for fixing a position the longitudinal reinforcement strutting arrangement of longitudinal reinforcement.
as the utility model discloses an optimal scheme, vertical steel bar strutting arrangement with the detachable connection of support piece, for example the bolt connection, after the reinforcing bar is pricked and is accomplished, will vertical steel bar strutting arrangement pulls down, the hoist and mount of being convenient for.
As the utility model discloses an optimal scheme, be equipped with the horizontal steel bar backup pad that is used for supporting horizontal reinforcing bar on the steel sheet of top to and be used for supporting the longitudinal reinforcement backup pad of longitudinal reinforcement, all be equipped with the reinforcing bar constant head tank in horizontal steel bar backup pad and the longitudinal reinforcement backup pad, the reinforcing bar constant head tank is semi-circular trompil structure.
to sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. The utility model discloses a prefabricated frame of reinforcing bar adopts the modularized design, and the segmentation preparation of batch production is assembled into holistic mode on the spot, and the transportation is convenient, can effectively shorten beam yard construction cycle and reduce the on-the-spot operating time of assembling, improves work efficiency.
2. The utility model discloses an adopt detachable connection between the different modules, consequently, can have enough to meet the need the use many times, be favorable to reducing construction manufacturing cost and practicing thrift steel, and the production needs of applicable multiple roof beam type.
3. The utility model discloses a bottom web reinforcing bar and roof reinforcing bar can carry out the ligature simultaneously, and not only the ligature high quality has just reduced the process, has improved work efficiency, has practiced thrift engineering cost.
4. The utility model discloses pricking the inner tower in advance and having adopted automatic lifting device and vertical running gear, realize the roof reinforcing bar and prick the automatic moving as a whole of frame in advance, whole lift need not special input equipment and hoists, and need not to lay special walking track, convenient operation is favorable to promoting work efficiency and beam yard progress control, reduces operating personnel's intensity of labour and equipment input.
5. the utility model discloses a steel bar positioning device all obtains at mill's preprocessing, and the machining precision is high, can satisfy the requirement of reinforcing bar accurate positioning, improves the reinforcement quality.
6. The utility model discloses a set up the movable support arm of downward sloping in web chamfer department to fix a position through the support arm bracing, solved the steel bar connection problem at the slant chamfer position of roof and last web junction, improved the positioning accuracy of reinforcing bar, promoted reinforcing bar process quality.
Drawings
Fig. 1 is the structural schematic diagram of the box girder reinforcing steel bar modularization pre-binding frame.
Fig. 2 is a cross-sectional view of the pre-tied external frame of the present invention.
Fig. 3 is an elevation view of the pre-tied external frame of the present invention.
Fig. 4 is a schematic structural view of the longitudinal reinforcing bar supporting device of the present invention.
fig. 5 is a schematic structural diagram of the adjusting screw rod of the present invention.
Fig. 6 is a cross-sectional view of the pre-bundle inner frame of the present invention.
Fig. 7 is an elevation view of the pre-binding inner frame of the present invention.
The labels in the figure are: 0-box girder; 1-pre-binding external frame, 11-external frame bottom module, 111-bottom cross bar, 112-bottom longitudinal bar, 12-external frame side module, 121-support piece, 122-longitudinal connecting bar, 123-longitudinal steel bar supporting device, 1231-bolt hole, 1232-pin, 13-adjusting screw rod and 14-adjusting screw rod base; 2-pre-binding inner frame, 21-inner frame column module, 211-support column, 212-roller, 22-upper lifting module, 221-middle support frame, 2211-movable sleeve, 2212-fixed sleeve, 2213-sliding steel pipe, 222-top support frame, 2221-support steel frame, 2222-top steel plate, 2223-top beam, 2224-movable support arm and 2225-support arm inclined strut; 3-a steel bar positioning groove.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, a case roof beam reinforcing bar modularization pre-binding frame, including pre-binding outrigger 1 and pre-binding inner frame 2, pre-binding outrigger 1 and pre-binding inner frame 2 are detachable to be connected, specifically, the bottom of pre-binding inner frame 2 is equipped with support column 211, support column 211 with the outrigger bottom module 11 of pre-binding outrigger 1 is connected through the bolt.
as shown in fig. 2 to 3, the pre-tied outrigger 1 includes an outrigger bottom module 11 and two outrigger side modules 12, the outrigger bottom module 11 and the outrigger side modules 12 are detachably connected, and specifically, the support pieces 121 of the outrigger side modules 12 are connected to the bottom cross bar 111 of the outrigger bottom module 11 by bolts.
Outrigger bottom module 11 includes bottom horizontal pole 111 and bottom vertical pole 112, bottom horizontal pole 111 and bottom vertical pole 112 pass through the detachable connection of bolt, just outrigger bottom module 11 is equipped with reinforcing bar positioner, and the reinforcing bar positioner of here includes the horizontal reinforcing bar constant head tank 3 that is used for fixing a position horizontal reinforcing bar that is equipped with on the bottom vertical pole 111, and the vertical reinforcing bar constant head tank 3 that is used for fixing a position vertical reinforcing bar that is equipped with on the bottom horizontal pole 112, reinforcing bar constant head tank 3 is semi-circular trompil structure.
The outer frame side module 12 comprises a plurality of support pieces 121, the support pieces 121 are in a right trapezoid shape, the support pieces 121 are rectangular steel pipes and form a single piece bearing structure through welding, all the support pieces 121 are connected into an integral bearing structure through a plurality of longitudinal connecting rods 122, the longitudinal connecting rods 122 are respectively located at the lower bottom, the upper bottom and the lower bottom and the oblique waist of the support pieces 121, and the support pieces 121 and the longitudinal connecting rods 122 are detachably connected through bolts. And the outer frame side module 12 is provided with reinforcing steel bar positioning devices at the web and the flange plate of the box girder 0, the reinforcing steel bar positioning devices include the transverse reinforcing steel bar positioning grooves 3 arranged on the longitudinal connecting rods 122, the reinforcing steel bar positioning grooves 3 are of semicircular open-pore structures, and each of the support pieces 121 is provided with a plurality of longitudinal reinforcing steel bar supporting devices 123 for positioning longitudinal reinforcing steel bars at the web of the box girder 0, specifically, as shown in fig. 4, the longitudinal reinforcing steel bar supporting devices 123 include a plurality of bolt holes 1231 pre-installed at the oblique waist of the support pieces 121, and a plurality of pins 1232 adapted to the bolt holes 1231.
As shown in fig. 5, the outer frame bottom module 11 and the outer frame side module 12 are further provided with an adjusting screw 13 and an adjusting screw base 14 at the bottom, and the adjusting screw 13 is detachably connected with the outer frame bottom module 11 or the outer frame side module 12 through a bolt.
As shown in fig. 6-7, the pre-binding inner frame 2 includes an inner frame column module 21 connected to the outer frame bottom module 11, and an upper liftable module 22 longitudinally movable with respect to the inner frame column module 21.
The inner frame upright post module 21 comprises a plurality of support upright posts 211, and all the support upright posts 211 are positioned at the positions of the drain holes of the bottom plate of the box girder 0. The top of the supporting upright post 211 is provided with a roller 212, the bottom of the fixed sleeve 2212 is connected with a sliding steel tube 2213 which is matched with the roller 212, the sliding steel tube 2213 can move longitudinally along the roller 212, and the upper liftable module 22 is connected with an electric drive turbine box.
the upper liftable module 22 includes a middle support frame 221, and a top support frame 222 located above the middle support frame 221.
The middle supporting frame 221 is provided with a movable sleeve 2211 and a fixed sleeve 2212 which are sleeved with each other in the vertical direction to achieve left and right position limitation, the movable sleeve 2211 can slide up and down relative to the fixed sleeve 2212, the purpose of automatic lifting is achieved by adopting electric power to drive the turbine boxes, and the plurality of turbine boxes are arranged in a shape like a Chinese character 'pin' to achieve overall lifting. Meanwhile, a precise synchronous motor is used as power of the turbine boxes, an independent control switch is installed in each turbine box in the control cabinet, then the turbine boxes are connected in parallel, and synchronous control is performed through a general switch, so that the purpose of synchronous lifting of the inner binding frame is achieved, the efficiency is improved, the accurate positioning of the clamping fixture is guaranteed, the reinforcement quality is improved, and the product quality of the box girder is improved. Furthermore, an oval notch is formed in the movable sleeve 2211, a round hole is formed in the fixed sleeve 2212, and the movable sleeve 2211 is in limited connection with the fixed sleeve 2212 through a positioning pin so as to reduce human operation errors and enable the movable sleeve to be accurately positioned, and therefore the problem that the inner binding frame slides down after the inner binding frame binds steel bars and bears the weight is solved.
The top support bracket 222 comprises a support steel frame 2221 and a top steel plate 2222, and a steel bar positioning device is arranged on the top steel plate 2222.
According to the design of the box girder, the inclined plane design is adopted at the connecting part of the bridge deck slab and the web, a large number of oblique reinforcing steel bars are arranged at the connecting part, and for better meeting the design requirements, the reinforcing steel bars at the connecting part need to be accurately positioned, so that the overall dimension of the girder body needs to be fully reduced. Therefore, a downward inclined plane is required to be arranged at the chamfer of the web plate, the panel and the inclined plane plate are movably hinged, and are connected through a positioning pin and positioned by adopting a spiral support rod. Specifically, the support steel frame 2221 of the top support frame 222 includes a top cross beam 2223 and movable arms 2224 located at two sides of the top cross beam 2223, one end of each movable arm 2224 is hinged to the top cross beam 2223, the other end of each movable arm 2224 is hinged to the middle support frame 221 through an arm inclined strut 2225, and the arm inclined strut 2225 is a spiral strut.
Be equipped with the horizontal steel bar support board that is used for supporting horizontal reinforcing bar on the top steel sheet 2222 to and be used for supporting the longitudinal reinforcement backup pad of longitudinal reinforcement, all be equipped with reinforcing bar constant head tank 3 in horizontal steel bar support board and the longitudinal reinforcement backup pad, reinforcing bar constant head tank 3 is semi-circular open structure, ensures reinforcing bar positioning accuracy. The steel bar support plate is connected with the top steel plate 2222 through bolts, and when the steel bar support plate is applied to different beam types, the mode of replacing the steel bar support plate can be adopted, so that the purpose of using the steel bar support plate in different span beam types is achieved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The box girder steel bar modularized pre-binding frame is characterized by comprising a pre-binding outer frame and a pre-binding inner frame, wherein the pre-binding outer frame and the pre-binding inner frame are detachably connected;
The pre-binding outer frame comprises an outer frame bottom module and two outer frame side modules, and the two outer frame side modules are detachably connected to two sides of the outer frame bottom module;
the outer frame bottom module comprises a bottom transverse rod and a bottom longitudinal rod, the bottom transverse rod and the bottom longitudinal rod are detachably connected, and the outer frame bottom module is provided with a steel bar positioning device;
The outer frame side module comprises a plurality of support pieces, all the support pieces are connected through a plurality of longitudinal connecting rods, and reinforcing steel bar positioning devices are arranged at the positions of a box girder web plate and a flange plate of the outer frame side module;
The pre-binding inner frame comprises an inner frame upright post module connected with the outer frame bottom module and an upper lifting module which can move longitudinally relative to the inner frame upright post module;
The inner frame upright post module comprises a plurality of support upright posts, and all the support upright posts are positioned at the positions of the drainage holes of the box girder bottom plate;
the upper lifting module comprises a middle supporting frame and a top supporting frame positioned above the middle supporting frame; the middle support frame is provided with a movable sleeve and a fixed sleeve which are sleeved with each other in the vertical direction, the movable sleeve can slide up and down relative to the fixed sleeve and is fixed through a limiting device, and the movable sleeve is connected with the electric drive turbine box; the top support frame comprises a support steel frame and a top steel plate, and a steel bar positioning device is arranged on the top steel plate.
2. The modular pre-binding frame for box girder steel bars according to claim 1, wherein the supporting steel frame of the top supporting frame comprises a top beam and movable arms positioned at both sides of the top beam, one end of each movable arm is hinged with the top beam, and the other end of each movable arm is hinged with the middle supporting frame through an arm inclined strut.
3. The modular pre-binding frame for box girder steel bars according to claim 1, wherein rollers are arranged at the top of the supporting upright, and the bottom of the fixing sleeve is connected with a sliding steel pipe which is matched with the rollers and can move longitudinally along the rollers.
4. the modular pre-binding frame for box girder steel bars according to claim 3, wherein the upper liftable module is connected with a motor.
5. The modular pre-binding frame for box girder steel bars according to claim 1, wherein the bottom module and the side module of the outer frame are further provided with a plurality of adjusting screw rods and adjusting screw rod bases at the bottom, and the adjusting screw rods are detachably connected with the bottom module or the side module of the outer frame.
6. The modular pre-binding frame for box girder steel bars according to claim 1, wherein the movable sleeve is provided with an oval notch, the fixed sleeve is provided with a round hole, and the movable sleeve is in limit connection with the fixed sleeve through a positioning pin.
7. The modular pre-binding frame for box girder steel bars according to any one of claims 1 to 6, wherein the steel bar positioning device of the bottom module of the external frame comprises a transverse steel bar positioning groove arranged on the bottom longitudinal bar for positioning a transverse steel bar and a longitudinal steel bar positioning groove arranged on the bottom transverse bar for positioning a longitudinal steel bar, and the steel bar positioning grooves are of a semicircular open hole structure.
8. The modular pre-binding frame for box girder steel bars according to any one of claims 1 to 6, wherein the steel bar positioning device of the outer frame side module comprises a transverse steel bar positioning groove formed on the longitudinal connecting rod, the steel bar positioning groove has a semicircular open structure, and each support piece is provided with a plurality of longitudinal steel bar supporting devices for positioning the longitudinal steel bars at the box girder web.
9. a box girder steel bar modular pre-binding frame according to claim 8, wherein the longitudinal steel bar supporting device is detachably connected with the support pieces.
10. The modular pre-binding frame for box girder steel bars according to any one of claims 1 to 6, wherein the top steel plate is provided with a transverse steel bar support plate for supporting the transverse steel bars and a longitudinal steel bar support plate for supporting the longitudinal steel bars, the transverse steel bar support plate and the longitudinal steel bar support plate are both provided with steel bar positioning grooves, and the steel bar positioning grooves are of a semicircular open structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920168577.1U CN209780271U (en) | 2019-01-30 | 2019-01-30 | Box girder steel bar modularization pre-binding frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920168577.1U CN209780271U (en) | 2019-01-30 | 2019-01-30 | Box girder steel bar modularization pre-binding frame |
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| CN209780271U true CN209780271U (en) | 2019-12-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283585A (en) * | 2022-04-13 | 2022-11-04 | 中国建筑土木建设有限公司 | Movable support device for roof steel bars for tie-up tires with steel bars in beam yard |
| CN117071440A (en) * | 2023-08-25 | 2023-11-17 | 中铁二局集团有限公司 | A self-propelled and hydraulically lifted steel pre-tied inner frame |
| DE202024103464U1 (en) | 2023-09-05 | 2024-09-06 | China Railway No. 2 Engineering Group Co.,Ltd | Auxiliary system for the integral connection of a steel reinforcement frame |
-
2019
- 2019-01-30 CN CN201920168577.1U patent/CN209780271U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283585A (en) * | 2022-04-13 | 2022-11-04 | 中国建筑土木建设有限公司 | Movable support device for roof steel bars for tie-up tires with steel bars in beam yard |
| CN117071440A (en) * | 2023-08-25 | 2023-11-17 | 中铁二局集团有限公司 | A self-propelled and hydraulically lifted steel pre-tied inner frame |
| DE202024103464U1 (en) | 2023-09-05 | 2024-09-06 | China Railway No. 2 Engineering Group Co.,Ltd | Auxiliary system for the integral connection of a steel reinforcement frame |
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