CN111593667B - Integral installation equipment and method for cast-in-situ box girder steel reinforcement framework - Google Patents
Integral installation equipment and method for cast-in-situ box girder steel reinforcement framework Download PDFInfo
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- CN111593667B CN111593667B CN202010466570.5A CN202010466570A CN111593667B CN 111593667 B CN111593667 B CN 111593667B CN 202010466570 A CN202010466570 A CN 202010466570A CN 111593667 B CN111593667 B CN 111593667B
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- truss
- cast
- box girder
- girder
- travelling
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 66
- 239000010959 steel Substances 0.000 title claims abstract description 66
- 238000009434 installation Methods 0.000 title claims abstract description 49
- 230000002787 reinforcement Effects 0.000 title claims abstract description 49
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 104
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 17
- 238000009415 formwork Methods 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
- B66C19/02—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries collapsible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/08—Constructional features of runway rails or rail mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides equipment and a method for integrally installing a steel reinforcement framework of a cast-in-situ box girder, which can realize that the installation or longitudinal movement of a movable formwork and the binding work of steel reinforcements are simultaneously carried out, thereby shortening the construction period and improving the construction level of a bridge. The integral installation equipment for the cast-in-situ box girder steel reinforcement framework comprises a hoisting truss mechanism, a chain block and a travelling mechanism; the whole portal frame structure that is of the hoisting truss mechanism, the chain hoist is arranged below the hoisting truss mechanism and can transversely move, the traveling mechanism comprises a concrete box girder upper traveling mechanism and a girder outer lower traveling mechanism, the concrete box girder upper traveling mechanism and the girder outer lower traveling mechanism are respectively arranged at the middle part and the lower part of the hoisting truss mechanism, the concrete box girder upper traveling mechanism can longitudinally move along a guide rail on concrete, and the girder outer lower traveling mechanism can longitudinally move along a guide rail on a girder.
Description
Technical Field
The invention relates to equipment and a method for integrally installing a reinforced skeleton of a cast-in-situ box girder, and belongs to the technical field of bridge construction.
Background
When the concrete box girder is poured, steel bar binding is one of the key works. Before concrete pouring, the time for binding the steel bars is reserved independently in the traditional construction method, so that the construction period is shortened, the construction progress is quickened, and the construction cost is saved.
Disclosure of Invention
The invention aims to provide equipment and a method for integrally installing a reinforcement cage of a cast-in-situ box girder, which can realize that the installation or longitudinal movement of a movable formwork and the reinforcement binding work are simultaneously carried out, shorten the construction period and improve the construction level of a bridge.
The invention aims to achieve the aim, and the aim is achieved by the following technical scheme:
The integral installation equipment for the cast-in-situ box girder steel reinforcement framework comprises a hoisting truss mechanism, a chain block and a travelling mechanism; the whole portal frame structure that is of the hoisting truss mechanism, the chain hoist is arranged below the hoisting truss mechanism and can transversely move, the traveling mechanism comprises a concrete box girder upper traveling mechanism and a girder outer lower traveling mechanism, the concrete box girder upper traveling mechanism and the girder outer lower traveling mechanism are respectively arranged at the middle part and the lower part of the hoisting truss mechanism, the concrete box girder upper traveling mechanism can longitudinally move along a guide rail on concrete, and the girder outer lower traveling mechanism can longitudinally move along a guide rail on a girder.
On the basis of the integral installation equipment of the cast-in-situ box girder steel reinforcement framework, the travelling mechanism comprises a concrete box girder upper travelling mechanism and a girder outer lower travelling mechanism, the concrete box girder upper travelling mechanism comprises an upper travelling truss, an upper travelling wheel box, an upper pull rod and an upper gear motor, the output end of the upper gear motor is connected with the upper travelling wheel box, the upper travelling wheel box is arranged at the lower part of the upper travelling truss, the upper travelling truss is connected with the longitudinal truss mechanism through the upper pull rod, the upper truss comprises an upper left truss, an upper middle truss and an upper right truss, and the upper left truss and the upper right truss are connected into a whole through a rotary pin shaft;
On the basis of the integral installation equipment of the cast-in-situ box girder steel reinforcement framework, the lower traveling mechanism outside the girder comprises a lower traveling truss, a lower traveling wheel box, a lower pull rod and a lower gear motor, the output end of the lower gear motor is connected with the lower traveling wheel box, the lower traveling wheel box is arranged at the lower part of the lower traveling truss, the lower traveling truss is connected with the longitudinal truss mechanism through the lower pull rod, the lower truss comprises a left lower truss, a middle lower truss and a right lower truss, and the left lower truss and the right lower truss are connected into a whole through a rotary pin shaft.
On the whole installation equipment foundation of the cast-in-situ box girder steel reinforcement framework, the hoisting truss mechanism comprises a transverse truss mechanism and a longitudinal truss mechanism, the transverse truss mechanism comprises a hoisting truss I, a hoisting truss II and a chain hoist, the hoisting truss I and the hoisting truss II are connected through pin shafts, the longitudinal truss mechanism is arranged below two ends of the transverse truss mechanism, the longitudinal truss mechanism comprises two longitudinal truss bodies, and a plurality of connecting trusses are arranged between the longitudinal truss bodies.
A construction method by utilizing cast-in-situ box girder steel reinforcement cage integral installation equipment comprises the following steps:
(1) The hoisting truss I and the hoisting truss II are connected by adopting a pin shaft, meanwhile, a loop chain hoist is installed in place, after the installation of 2 longitudinal truss bodies is finished, the two longitudinal truss bodies are connected by adopting a connecting truss, the upper travelling mechanism of the concrete box girder and the lower travelling mechanism outside the main girder are connected, after the installation is finished, the upper pull rod and the lower pull rod are adopted for opposite pulling, and a plurality of groups of cast-in-situ box girder steel reinforcement framework integral installation equipment is installed according to the requirement;
(2) The crane is used for hoisting the cast-in-situ box girder steel reinforcement cage integral installation equipment to the concrete surface of the cast-in-situ box girder with the installed track;
(3) When the movable mould frame is installed or longitudinally moved, a reinforcing steel bar worker and a welder simultaneously bind reinforcing steel bars on the concrete surface of the cast-in-situ box girder, and the parallel operation is performed;
(4) After the steel bars are bound, longitudinally moving the cast-in-situ beam steel bar framework integral installation equipment to the bound steel bar framework with the inner mould, lifting the steel bar framework by using a chain hoist, simultaneously starting all motors to drive the steel bar framework to longitudinally move integrally together, and when the cast-in-situ beam steel bar framework integral installation equipment moves to the rearmost end of the concrete to be cast, just walking on a set of equipment main beam outer side walking mechanisms at the foremost side of the cast-in-situ beam steel bar framework integral installation equipment to the main beam outer side guide rails, removing an upper walking truss and a connecting truss, rotating a single walking truss for 180 degrees, and fixing by using a pin shaft;
(5) After the cast-in-situ beam steel reinforcement cage integral installation equipment walks to the correct position of the box girder to be poured, the steel reinforcement cage is lowered by the chain hoist;
(6) And after the steel reinforcement framework is installed, the cast-in-situ steel reinforcement framework integral installation equipment retreats to the poured concrete surface so as to prepare for the next steel reinforcement framework integral installation.
The invention has the advantages that:
1. Simple structure, simple to operate: the cast-in-situ box girder steel reinforcement framework integral installation equipment consists of a travelling mechanism and a steel reinforcement framework hoisting truss mechanism, and the components are connected through pin shafts, so that the cast-in-situ box girder steel reinforcement framework integral installation equipment is simple in structure and convenient to install;
2. The construction period is shortened, and the construction progress is quickened: the cast-in-situ box girder steel reinforcement framework integral installation equipment can realize that the movable formwork is longitudinally moved or installed and the steel reinforcement binding is simultaneously carried out, so that the construction period is shortened, and the construction progress is accelerated.
3. The repeated utilization rate is high: the steel reinforcement framework hoisting truss mechanism can be suitable for bridge construction of various spans, has popularization value, can be converted into a small-tonnage gantry crane at any time for use, and has a wide prospect.
4. The manual efficiency is high: because parallel construction is adopted for binding the reinforcing steel bars and other operations of the movable die frame, workers such as a reinforcing steel bar worker, a welder, an operator and the like operate simultaneously, the occurrence of shackles can be avoided.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Fig. 1 is a front view of the whole installation device of the reinforcement cage applied in the present patent;
fig. 2 is a top view of an upper traveling mechanism of the steel reinforcement cage integral installation device to which the present invention is applied;
Fig. 3 is a top view of a lower traveling mechanism of the steel reinforcement cage integral installation device applied to the invention;
Fig. 4 is a top view of a traveling mechanism at the outer lower part of a main girder of the steel reinforcement cage integral installation device applied to the invention;
Fig. 5 is a left side view of the whole installation apparatus of the reinforcement cage to which the present invention is applied;
Fig. 6 is a view showing a longitudinal movement of the whole installation apparatus of the reinforcing cage to which the present invention is applied;
FIG. 7 is a view of the overall installation apparatus for reinforcement cage with reinforcement cage longitudinally moved to the end of the concrete to be poured according to the present invention;
fig. 8 is a view showing a longitudinal movement of a reinforcing cage with the reinforcing cage to a bitmap of the reinforcing cage-integrated mounting apparatus applied to the present invention;
fig. 9 is a view showing a case where the reinforcing cage according to the present invention is dropped to a bitmap;
Fig. 10 is a view showing the entire installation apparatus of the reinforcing cage applied to the present invention longitudinally moved to the poured concrete.
1. Lifting truss I, 2, endless chain hoist, 3, lifting truss II, 4, pin roll, 5, reinforcement cage, 6, upper pull rod pin roll, 7, upper pull rod, 8, upper walking truss, 9, upper walking wheel box, 10, upper gear motor, 11, lower pull rod pin roll, 12, lower pull rod, 13, lower walking truss, 14, connecting pin roll, 15, lower gear motor, 16, lower walking wheel box, 17, girder, 18, connecting truss, 19, middle upper truss, 20, rotating pin roll, 21, driven wheel set, 22, driving wheel set, 23, longitudinal truss body, 24, cast-in-situ box girder concrete surface, 25, left upper truss, 26, right upper truss.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", etc. indicate directions
The positional relationship or the position relationship is based on the orientation or the position relationship shown in the drawings, only for the convenience of description of the present invention and simplification of description
Rather than indicating or implying that the apparatus or element being referred to must have a particular orientation, be constructed and arranged in a particular orientation
Operation and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, a cast-in-situ box girder steel reinforcement cage integral installation device comprises a hoisting truss mechanism, a chain hoist and a travelling mechanism; the whole portal frame structure that is of the hoisting truss mechanism, the endless chain hoist 2 is arranged below the hoisting truss mechanism and can transversely move, the traveling mechanism comprises a concrete box girder upper traveling mechanism and a girder outer lower traveling mechanism, the concrete box girder upper traveling mechanism and the girder outer lower traveling mechanism are respectively arranged in the middle and the lower parts of the hoisting truss mechanism through connecting pin shafts 14, the concrete box girder upper traveling mechanism can longitudinally move along a guide rail on concrete, and the girder outer lower traveling mechanism can longitudinally move along a guide rail on a girder.
Referring to fig. 1 and 5, the travelling mechanism comprises a concrete box girder upper travelling mechanism and a girder outer lower travelling mechanism, the concrete box girder upper travelling mechanism comprises an upper travelling truss 8, an upper travelling wheel box 9, an upper pull rod 7 and an upper gear motor 10, the output end of the upper gear motor 10 is connected with the upper travelling wheel box 9, the upper travelling wheel box 9 is arranged at the lower part of the upper travelling truss 8, the upper travelling truss 8 is connected with the longitudinal truss mechanism through the upper pull rod 7 and an upper pull rod pin shaft 6, the upper truss comprises a left upper truss 25, a middle upper truss 19 and a right upper truss 26 which are connected through a rotating pin shaft 20, the left upper truss and the right upper truss are connected into a whole through the rotating pin shaft 20, and the upper travelling wheel box 9 comprises a driven wheel set 21 and a driving wheel set 22 which are arranged at the lower parts of the left upper truss and the right upper truss.
Referring to fig. 1 and 2, the lower walking mechanism outside the main beam comprises a lower walking truss 13, a lower walking wheel box 16, a lower pull rod 12 and a lower gear motor 15, wherein the output end of the lower gear motor 15 is connected with the lower walking wheel box 16, the lower walking wheel box 16 is arranged at the lower part of the lower walking truss 13, the lower walking truss 13 is connected with the longitudinal truss mechanism through the lower pull rod 12 and a lower pull rod pin shaft 11, the lower truss comprises a left lower truss, a middle lower truss and a right lower truss, the left lower truss and the right lower truss are connected into a whole through a rotating pin shaft and are identical with each other in an upper truss structure, and the lower walking wheel box 16 is identical in structure with the upper walking wheel box 9.
The hoisting truss mechanism comprises a transverse truss mechanism and a longitudinal truss mechanism, the transverse truss mechanism comprises a hoisting truss I1, a hoisting truss II 3 and a chain hoist 2, the hoisting truss I1 and the hoisting truss II 3 are connected through a pin shaft 4, the longitudinal truss mechanism is arranged below two ends of the transverse truss mechanism, the longitudinal truss mechanism comprises two longitudinal truss bodies 23, and a plurality of connecting trusses 18 are arranged between the longitudinal truss bodies 23.
A construction method by utilizing cast-in-situ box girder steel reinforcement cage integral installation equipment comprises the following steps:
(1) Referring to fig. 7, a lifting truss i1 and a lifting truss ii 3 are connected by adopting a pin shaft 4, a chain block 2 is installed in place, after the installation of 2 longitudinal truss bodies 23 is completed, a connecting truss 18 is adopted to connect, a concrete box girder upper travelling mechanism and a girder outer lower travelling mechanism are adopted, after the installation is completed, an upper pull rod 7 and a lower pull rod 12 are adopted to pull oppositely, and a plurality of groups of cast-in-situ box girder steel reinforcement framework integral installation devices are installed according to requirements;
(2) Referring to fig. 8, the crane lifts the cast-in-situ box girder reinforcement cage integral mounting equipment onto the cast-in-situ box girder concrete face 24 of the mounted track;
(3) Referring to fig. 8, when the movable mould frame is installed or longitudinally moved, a reinforcing steel bar worker and a welder bind reinforcing steel bars on the concrete surface of the cast-in-situ box girder at the same time, and the parallel operation is performed;
(4) Referring to fig. 9, after the steel bar binding is completed, the cast-in-situ beam steel bar framework integral installation equipment longitudinally moves to the bound steel bar framework 5 with an inner mold, a chain hoist lifts the steel bar framework 5, all motors are started simultaneously to jointly drive the steel bar framework 5 to longitudinally move integrally, when the steel bar framework moves to the rearmost end of the concrete to be cast, the cast-in-situ beam steel bar framework integral installation equipment just walks to the outer guide rail of the main beam on the outer side of the main beam of the foremost group of equipment, the upper walking truss 8 and the connecting truss are removed, and the single-piece walking truss rotates 180 degrees and then is fixed by a pin shaft;
(5) Referring to fig. 10, after the cast-in-situ beam steel bar framework integral installation equipment walks to the correct position of the box girder to be poured, the steel bar framework is lowered by the chain hoist;
(6) And after the steel reinforcement framework is installed, the cast-in-situ steel reinforcement framework integral installation equipment retreats to the poured concrete surface so as to prepare for the next steel reinforcement framework integral installation.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a cast-in-situ box girder steel reinforcement cage integral erection equipment which characterized in that: comprises a hoisting truss mechanism, a chain block and a travelling mechanism; the whole hoisting truss mechanism is of a gantry frame structure, the chain hoist (2) is arranged below the hoisting truss mechanism and can transversely move, the travelling mechanism comprises a concrete box girder upper travelling mechanism and a girder outer lower travelling mechanism, the concrete box girder upper travelling mechanism and the girder outer lower travelling mechanism are respectively arranged in the middle and the lower parts of the hoisting truss mechanism, the concrete box girder upper travelling mechanism can longitudinally move along a guide rail on concrete, and the girder outer lower travelling mechanism can longitudinally move along a guide rail on a girder;
The travelling mechanism comprises a concrete box girder upper travelling mechanism and a girder outer lower travelling mechanism, the concrete box girder upper travelling mechanism comprises an upper travelling truss (8), an upper travelling wheel box (9), an upper pull rod (7) and an upper gear motor (10), the output end of the upper gear motor (10) is connected with the upper travelling wheel box (9), the upper travelling wheel box (9) is arranged at the lower part of the upper travelling truss (8), the upper travelling truss (8) is connected with the longitudinal truss mechanism through the upper pull rod (7), the upper truss comprises an upper left truss, an upper middle truss and an upper right truss, and the upper left truss and the upper right truss are connected into a whole through a rotary pin shaft (20);
The lower walking mechanism at the outer side of the main beam comprises a lower walking truss (13), a lower walking wheel box (16), a lower pull rod (12) and a lower gear motor (15), the output end of the lower gear motor (15) is connected with the lower walking wheel box (16), the lower walking wheel box (16) is arranged at the lower part of the lower walking truss (13), the lower walking truss (13) is connected with the longitudinal truss mechanism through the lower pull rod (12), the lower truss comprises a left lower truss, a middle lower truss and a right lower truss, and the left lower truss and the right lower truss are connected into a whole through a rotary pin shaft (20);
The hoisting truss mechanism comprises a transverse truss mechanism and a longitudinal truss mechanism, the transverse truss mechanism comprises a hoisting truss I (1), a hoisting truss II (3) and a chain hoist (2), the hoisting truss I (1) and the hoisting truss II (3) are connected through a pin shaft (4), the longitudinal truss mechanism is arranged below two ends of the transverse truss mechanism, the longitudinal truss mechanism comprises two longitudinal truss bodies (23), and a plurality of connecting trusses (18) are arranged between the longitudinal truss bodies (23).
2. A method for constructing by using the cast-in-situ box girder steel reinforcement cage integral installation equipment as claimed in claim 1, which is characterized in that: the method comprises the following steps:
(1) The hoisting truss I (1) and the hoisting truss II (3) are connected by adopting a pin roll (4), the chain hoist (2) is installed in place, two longitudinal truss bodies (23) are connected by adopting a connecting truss (18) after being installed, the upper travelling mechanism of the concrete box girder and the lower travelling mechanism outside the main girder are oppositely pulled by adopting an upper pull rod (7) and a lower pull rod (12), and a plurality of groups of cast-in-situ box girder steel reinforcement framework integral installation equipment is installed according to the requirement;
(2) Hoisting the cast-in-situ box girder steel reinforcement cage integral installation equipment to a cast-in-situ box girder concrete surface (24) on which a track (25) is installed by a crane;
(3) When the movable mould frame is installed or longitudinally moved, a reinforcing steel bar worker and a welder simultaneously bind reinforcing steel bars on the concrete surface of the cast-in-situ box girder, and the parallel operation is performed;
(4) After the steel bar binding is finished, the cast-in-situ beam steel bar framework integral installation equipment longitudinally moves to the bound steel bar framework (5) with the inner mould, a chain hoist lifts the steel bar framework (5), all motors are started simultaneously to drive the steel bar framework (5) to integrally longitudinally move, when the steel bar framework moves to the rearmost end of the concrete to be poured, the front-most equipment main beam outer side travelling mechanism of the cast-in-situ beam steel bar framework integral installation equipment just walks to the main beam outer side guide rail, the upper travelling truss (8) and the connecting truss are removed, and the single-piece travelling truss rotates 180 degrees and then is fixed by a pin shaft;
(5) After the cast-in-situ beam steel reinforcement cage integral installation equipment walks to the correct position of the box girder to be poured, the steel reinforcement cage is lowered by the chain hoist;
(6) And after the steel reinforcement framework is installed, the cast-in-situ steel reinforcement framework integral installation equipment retreats to the poured concrete surface so as to prepare for the next steel reinforcement framework integral installation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010466570.5A CN111593667B (en) | 2020-05-28 | 2020-05-28 | Integral installation equipment and method for cast-in-situ box girder steel reinforcement framework |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010466570.5A CN111593667B (en) | 2020-05-28 | 2020-05-28 | Integral installation equipment and method for cast-in-situ box girder steel reinforcement framework |
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| Publication Number | Publication Date |
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| CN111593667A CN111593667A (en) | 2020-08-28 |
| CN111593667B true CN111593667B (en) | 2024-06-28 |
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| CN212388374U (en) * | 2020-05-28 | 2021-01-22 | 山东省路桥集团有限公司 | Cast-in-place box girder steel reinforcement framework integral installation equipment |
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| CN108557640B (en) * | 2018-07-11 | 2023-09-05 | 山东省路桥集团有限公司 | Integral hoisting equipment and hoisting method for cast-in-situ box girder steel reinforcement framework |
| CN109267490B (en) * | 2018-10-17 | 2020-07-07 | 中铁大桥局集团有限公司 | Long guide beam type movable formwork and construction method thereof |
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| CN212388374U (en) * | 2020-05-28 | 2021-01-22 | 山东省路桥集团有限公司 | Cast-in-place box girder steel reinforcement framework integral installation equipment |
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