CN113417219A - Hydraulic internal mold asynchronous traveling system and method for bridge suspension casting basket box chamber - Google Patents
Hydraulic internal mold asynchronous traveling system and method for bridge suspension casting basket box chamber Download PDFInfo
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- CN113417219A CN113417219A CN202110597608.7A CN202110597608A CN113417219A CN 113417219 A CN113417219 A CN 113417219A CN 202110597608 A CN202110597608 A CN 202110597608A CN 113417219 A CN113417219 A CN 113417219A
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- 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
- E01D21/10—Cantilevered erection
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Abstract
The invention belongs to the technical field of concrete continuous cantilever casting, and particularly relates to a hydraulic internal mold asynchronous traveling system and a traveling method for a bridge cantilever casting hanging basket chamber, which solve the problems of difficult installation, traveling and demolding of an internal template of a continuous beam cantilever casting hanging basket. The invention comprises a hanging basket truss system, an inner template suspension system, an inner template system and a walking sliding beam; the inner template system also comprises a bottom template and a walking mobile system; the walking moving system comprises a top side mold walking mechanism, a bottom mold walking mechanism and a supporting mechanism, and the ceiling template and the inner side template are connected to the top of the walking sliding beam through the top side mold walking mechanism; the bottom template is hung at the bottom of the walking sliding beam through the bottom die walking mechanism; the top side die walking mechanism is connected with a telescopic supporting mechanism; the basket truss system and the inner template system asynchronously travel under the driving of the traveling mobile system. The invention reduces the inconvenience of personnel operation, ensures the safety and improves the working efficiency.
Description
Technical Field
The invention belongs to the technical field of concrete continuous cantilever pouring, and particularly relates to an asynchronous traveling system and a traveling method for a hydraulic internal mold of a bridge suspension casting basket chamber.
Background
With the development of national infrastructure, more and more cast-in-place continuous beams are applied in practice, a hanging basket is a main device in the cantilever construction of the cast-in-place continuous beams, an inner template system of the hanging basket mainly comprises a steel template and a support, the front end of an inner sliding beam of the hanging basket is hung on a main truss through a hanging rod or a hanging strip, the rear end of the sliding beam is hung on a poured beam section, the inner template support and the template system are placed on the inner sliding beam in a box, after the concrete construction of a section is completed, an inner side template of the box room is manually dismantled, then the inner sliding beam is placed downwards, a ceiling template of the box room is separated from the surface of concrete along with the downward placement of the sliding beam, then when a person operates the main truss of the hanging basket to move forwards, the inner template of the hanging basket can slide into the next section to be constructed along with the driving of the inner sliding beam of the main truss, the person lifts the inner sliding beam, the ceiling template is then positioned at the top of the box room, the person installs the template spiral, fixes the inner template and installs the inner template material to the pull rod, the process has the following problems:
1. in the traditional process, the inner template and the inner template bent frame synchronously run to the next section position along with the hanging basket main truss, so that the load during the running of the hanging basket is increased, and the difficulty in the running of the hanging basket is increased;
2. the inner template is placed on the sliding beam, so that the inner template is greatly shaken during walking and has high danger;
3. the traditional inner formwork is not provided with a bottom plate formwork, a mode of casting a bottom plate chamfer angle in situ and casting a web plate after the bottom plate concrete reaches certain strength is usually adopted when the concrete is cast, so that the bottom plate concrete is prevented from being turned;
4. the space in the box chamber is limited, the procedure of fixing the template is complex, and the operation of personnel is inconvenient;
5. the inner formwork needs to be dismantled by a crowbar, demoulding is difficult, and the operation of personnel is inconvenient and the danger is high.
Disclosure of Invention
The invention aims to solve the problems of difficult installation, running and demoulding of the internal template of the continuous beam cantilever casting hanging basket of the railway and the highway, and provides the asynchronous running system and the asynchronous running method of the hydraulic internal model of the bridge suspension casting hanging basket chamber, which reduce the inconvenience of personnel operation, ensure the safety and improve the working efficiency.
The invention is realized by adopting the following technical scheme: a hydraulic internal mold asynchronous traveling system and a traveling method for a bridge suspension casting basket box chamber comprise a basket truss system, an internal template suspension system, an internal template system and a traveling sliding beam, wherein the internal template system comprises a ceiling template and an internal side template; the inner template system also comprises a bottom template and a walking mobile system;
the walking moving system comprises a top side mold walking mechanism, a bottom mold walking mechanism and a supporting mechanism, and the ceiling template and the inner side template are connected to the top of the walking sliding beam through the top side mold walking mechanism; the bottom template is hung at the bottom of the walking sliding beam through the bottom die walking mechanism; the top side mold walking mechanism is connected with a telescopic supporting mechanism, and the top side mold walking mechanism is supported on the top of the bottom mold walking mechanism through the supporting mechanism; the basket truss system and the inner template system asynchronously travel under the driving of the traveling mobile system.
Furthermore, the top side mold walking mechanism comprises an upper telescopic mechanism, a walking support beam, a motor and a support beam walking wheel;
the ceiling template and the inner side template are both connected with a walking support beam through an upper telescopic mechanism, the bottom of the walking support beam is connected with a walking wheel of the support beam, the walking wheel of the support beam is connected to the top surface of a walking sliding beam in a rolling mode, and the walking wheel of the support beam is connected with a motor.
Further, the bottom die walking mechanism comprises a lower telescopic mechanism, a bottom die plate hanging walking part and a walking motor;
the bottom template hanging walking part comprises a U-shaped connecting part, two driving parts and two bottom template hanging walking wheels, wherein one of the two driving parts is connected with a walking motor, the two driving parts are respectively fixed at the top of the connecting part, the inner sides of the two driving parts are both connected with the bottom template hanging walking wheels, and the two bottom template hanging walking wheels are respectively connected to the positions of I-shaped steel wing plates of the walking sliding beam in a rolling manner;
the bottom template is connected with the bottom of the connecting part through a lower telescopic mechanism.
Furthermore, the number of the walking sliding beams is two, and the number of the walking wheels of the supporting beam and the number of the walking parts of the bottom template hanging are two.
Furthermore, the joints of the ceiling template and the inner side template and the joints of the inner side template and the bottom template adopt groove design.
Furthermore, the upper telescopic mechanism, the supporting mechanism and the lower telescopic mechanism all adopt hydraulic telescopic rods.
Further, the basket hanging truss device comprises a basket hanging main truss, a main truss front upper cross beam and a basket hanging traveling rail;
the suspension system of the inner template comprises a walking sliding beam front suspension point suspender, a walking sliding beam rear suspension point suspender, a walking beam pulley and a walking beam suspension frame;
the main truss of the hanging basket is fixed on a hanging basket walking track, a front upper cross beam of the main truss at the front end of the main truss of the hanging basket is fixed with the front end of a walking sliding beam through a front hanging point hanging rod of the walking sliding beam, and the rear end of the walking sliding beam is fixed on a poured beam section through a rear hanging point hanging rod of the walking sliding beam, a walking beam pulley and a walking beam hanging frame.
A walking method comprises the following steps:
the method comprises the following steps: the walking sliding beam drives the hanging basket truss device to move forwards; firstly, removing a ceiling template and an inner side template; then supporting the ceiling template, the inner side template and the top side template walking mechanism on the bottom template; the walking sliding beam independently walks and drives the basket hanging truss device to move forwards;
step two: running an inner template system; the ceiling template, the inner side template and the top side template walking mechanism are separated from the bottom die walking mechanism, the ceiling template and the inner side template automatically walk to a next section to be constructed along the walking sliding beam, the ceiling template and the inner side template are opened, and then concrete pouring operation is carried out; and (4) dismantling the bottom formwork, realizing the autonomous forward movement and walking of the bottom formwork, expanding the bottom formwork, and continuously pouring the web plate concrete.
Furthermore, the detachment of the ceiling template and the inner side template in the first step is carried out by contracting the upper telescopic mechanism, and the ceiling template, the inner side template and the top side template walking mechanism are supported on the bottom template by extending the upper telescopic mechanism.
And further, after the concrete pouring operation in the step two is carried out until the bottom plate concrete is vibrated, the bottom template is dismantled and the self-advancing walking of the bottom template is realized.
Compared with the prior art, the invention has the beneficial effects that:
1. the cradle truss system and the inner template system realize asynchronous traveling, the load during traveling of the cradle is reduced, the traveling difficulty of the cradle is reduced, and the manufacturing cost of the main truss of the cradle is reduced;
2. the ceiling template and the inner side template independently travel through the top side template traveling mechanism, and the bottom template independently travels through the bottom die traveling mechanism, so that the traveling of an inner template system is more stable, and the construction risk is reduced;
3. the inner template system is provided with the bottom template, so that the continuous pouring of the box girder concrete can be ensured, and a web plate is not required to be poured after the bottom template concrete reaches a certain strength, so that the phenomenon that the bottom template concrete is turned over is avoided, and the construction efficiency is improved;
4. according to the inner template system, the templates are assembled and demolded through the extension and retraction of the hydraulic rod pieces, the mechanical control does not need excessive manual participation, the labor cost, the construction difficulty and the danger are reduced, the operation is convenient and simple, and particularly, the templates are easier to disassemble; especially, the condition that the inner side template can not be removed when the included angle between the side web plate and the top plate is smaller than 90 degrees is solved.
Drawings
FIG. 1 is a schematic elevation view of the present application;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
FIG. 4 is a schematic side elevation view of the present application;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a cross-sectional view B-B of FIG. 4;
FIG. 7 is a cross-sectional view C-C of FIG. 4;
FIG. 8 is a schematic diagram of the asynchronous walking of the present application;
in the figure: 1-hanging basket main truss, 2-main truss cross-linking, 3-main truss front upper cross beam, 4-hanging basket traveling track, 5-bevel, 6-bottom template, 7-inner side template, 8-ceiling template, 9-lower telescopic mechanism, 10-supporting mechanism, 11-upper telescopic mechanism, 12-traveling supporting cross beam, 13-bottom template hanging traveling wheel, 14-supporting cross beam traveling wheel, 15-traveling motor, 16-traveling sliding beam front hoisting point boom, 17-traveling sliding beam rear hoisting point boom, 18-traveling beam pulley, 19-traveling beam hanging frame, 20-traveling sliding beam, 21-connecting part and 22-driving part.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: a hydraulic internal mold asynchronous traveling system and a traveling method for a bridge suspension casting basket box chamber comprise a basket truss system, an internal template suspension system, an internal template system and a traveling sliding beam 20, wherein the internal template system comprises a ceiling template 8 and an inner side template 7; the inner template system also comprises a bottom template 6 and a walking mobile system;
the walking moving system comprises a top side mold walking mechanism, a bottom mold walking mechanism and a supporting mechanism 10, and the ceiling template 8 and the inner side template 7 are connected to the top of the walking sliding beam 20 through the top side mold walking mechanism; the bottom template 6 is hung at the bottom of the walking sliding beam 20 through a bottom template walking mechanism; the top side die walking mechanism is connected with a telescopic supporting mechanism 10, and the top side die walking mechanism is supported on the top of the bottom die walking mechanism through the supporting mechanism 10 (the supporting mechanism 10 can transmit the stress of the ceiling template 8 and the inner side template 7 to the bottom template 6, can be separated from the walking sliding beam 20 at the later stage, and can be used for asynchronous walking); the basket truss system and the inner template system asynchronously travel under the driving of the traveling mobile system.
The top side mould walking mechanism comprises an upper telescopic mechanism 11, a walking support beam 12, a motor and a support beam walking wheel 14;
the ceiling template 8 and the inner side template 7 are both connected with a walking support beam 12 through an upper telescopic mechanism 11, the bottom of the walking support beam 12 is connected with a support beam walking wheel 14, the support beam walking wheel 14 is connected to the top surface of a walking sliding beam 20 in a rolling manner, and the support beam walking wheel 14 is connected with a motor; the running runners 20 serve as running rails for the entire roof formwork 8 and the inner formwork 7, and the supporting beam drive running wheels 14 are operated by means of motors.
The bottom die walking mechanism comprises a lower telescopic mechanism 9, a bottom die plate hanging walking part and a walking motor 15;
the bottom template hanging walking part comprises a U-shaped connecting part 21, two driving parts 22 and two bottom template hanging walking wheels 13, wherein one of the two driving parts 22 is connected with a walking motor 15, the two driving parts 22 are respectively fixed at the top of the connecting part 21, the inner sides of the two driving parts 22 are both connected with the bottom template hanging walking wheels 13, and the two bottom template hanging walking wheels 13 are respectively connected to the positions of the I-shaped steel wing plates of the walking sliding beam 20 in a rolling manner;
the bottom template 6 is connected with the bottom of the connecting part 21 through a lower telescopic mechanism 9.
The number of the walking sliding beams 20 is two, and the number of the supporting beam walking wheels 14 and the number of the bottom template hanging walking parts are two, so that walking is more stable.
The joints of the ceiling template 8 and the inner side template 7 and the joints of the inner side template 7 and the bottom template 6 adopt groove design, so that the templates can be conveniently contracted and disassembled.
The upper telescopic mechanism 11, the supporting mechanism 10 and the lower telescopic mechanism 9 all adopt hydraulic telescopic rods.
The ceiling template 8, the inner side template 7 and the bottom template 6 are all composed of steel templates and a back frame, and two ends of the upper telescopic mechanism 11 and the lower telescopic mechanism 9 are respectively provided with a connecting hinged support which is respectively connected with the template back frame and the walking supporting beam 12.
The hanging basket truss device comprises a hanging basket main truss 1, a main truss front upper cross beam 3 and a hanging basket traveling rail 4;
the suspension system of the inner template comprises a walking sliding beam front suspension point suspender 16, a walking sliding beam rear suspension point suspender 17, a walking beam pulley 18 and a walking beam suspension frame 19;
the hanging basket main truss 1 is fixed on a hanging basket walking track 4, a main truss front upper cross beam 3 at the front end of the hanging basket main truss 1 is fixed with the front end of a walking sliding beam 20 through a walking sliding beam front lifting point suspender 16, and the rear end of the walking sliding beam 20 is fixed on a poured beam section through a walking sliding beam rear lifting point suspender 17, a walking beam pulley 18 and a walking beam hanging frame 19.
A walking method comprises the following steps:
the method comprises the following steps: the traveling sliding beam 20 drives the basket hanging truss device to move forwards; firstly, dismantling a ceiling template 8 and an inner side template 7; then, supporting the ceiling template 8, the inner side template 7 and the top side template walking mechanism on the bottom template 6; the walking sliding beam 20 independently walks and drives the basket hanging truss device to move forwards; when the walking sliding beam 20 needs to walk independently, the ceiling template 8 and the inner side template 7 can be supported on the bottom template 3, and the walking sliding beam 20 can be walked independently;
step two: running an inner template system; the ceiling template 8, the inner side template 7 and the top side template walking mechanism are separated from the bottom die walking mechanism, the ceiling template 8 and the inner side template 7 automatically walk along the walking sliding beam 20 to a next section to be constructed, the ceiling template 8 and the inner side template 7 are unfolded, and then concrete pouring operation is carried out; and (4) dismantling the bottom formwork 6, realizing the autonomous forward movement and walking of the bottom formwork, opening the bottom formwork 6, and continuously pouring the web concrete.
The removal of the ceiling formwork 8 and the inner side formwork 7 in the first step is performed by retracting the upper telescopic mechanism 11, and the ceiling formwork 8, the inner side formwork 7 and the top side formwork traveling mechanism are supported on the bottom formwork 6 by extending the upper telescopic mechanism 11.
And step two, after the concrete pouring operation is carried out until the bottom plate concrete is vibrated, the bottom template 6 is dismantled and the self-advancing walking of the bottom template is realized.
As shown in fig. 8, after the construction of the section of concrete is completed, the inner formwork system is operated to remove the inner formwork, that is, the upper telescopic mechanism 11 is operated to lower the ceiling formwork 8 and retract the inner formwork 7 inwards, so that the removal of the ceiling formwork 8 and the inner formwork 7 is completed;
at the moment, the supporting mechanism 10 is opened, the ceiling template 8 and the inner side template 7 are supported on the bottom template 6, the bottom template 6 is located on the poured concrete segment, and the walking sliding beam 20 is not subjected to any force in the vertical direction, so that the first step of stress conversion work is completed;
the forward movement of the hanging basket truss system and the walking sliding beam 20 is carried out, a hanging basket walking track 4 is lengthened, a penetrating type jack is arranged by utilizing the walking of a hanging basket main truss 1 and controlled by a hydraulic system, finish rolling deformed steel bars or steel stranded wires are arranged between the penetrating type jack and a counter-force seat on the hanging basket walking track 4, a main truss rear seat is hooked on the hanging basket walking track 4, the front support of the hanging basket is pulled to move forwards by the jack, at the moment, the hanging basket main truss 1 and the walking sliding beam 20 synchronously enter the position of a next segment to be constructed, and finally, the hanging basket is locked and fixed;
the supporting mechanism 10 is released (contracted) so that the supporting beam walking wheels 14 fall on the walking sliding beam 20, and the motor is operated so that the ceiling template 8 and the inner side template 7 automatically walk to a next section to be constructed under the driving of the supporting beam walking wheels 14;
sequentially operating the upper telescopic mechanism 11 to enable the inner side formwork 7 and the ceiling formwork 8 to be opened, and thus completing asynchronous walking and installation of the inner side formwork 7 and the ceiling formwork 8 of the box chamber formwork;
the method comprises the steps that a person starts the installation work of the reinforcing steel bars and prestress of the bridge section, concrete pouring operation is conducted after the concrete is qualified to be poured to bottom plate concrete vibration, the lower telescopic mechanism 9 is operated to lift the bottom template 6 to be separated from the concrete surface of the beam section of the previous section, the traveling motor 15 is operated to enable the bottom template 6 to move to the section under the driving of the bottom template hanging traveling wheels, the lower telescopic mechanism 9 is operated to control the bottom template 6 to be unfolded after the bottom template moves to the designed position and is combined with the inner side template 7 at the groove 5, then the web plate concrete continues to be poured, the phenomenon that the bottom plate concrete is turned over due to the fact that the web plate concrete is poured is avoided, and the circular work of a construction section is completed.
An application example, social and economic benefits of a hydraulic internal mold asynchronous traveling system of a bridge suspension casting basket chamber are as follows:
the hydraulic internal mold asynchronous traveling system of the bridge suspended casting hanging basket chamber is applied to the cantilever cast-in-place construction of a continuous beam with a main span of 100 meters of a grand bridge of an east-level water channel of a Guangfu city-around inter-city railway, the span of the continuous beam is 64+100+64 meters, a cantilever construction process is selected, the bridge has 2 main piers in total, and each main pier has 18 cantilever sections in total.
Adopt this patent device to construct in the continuous beam string basket construction, when having reduced string basket constructor's input cost, accelerated construction period again, safe quick completion full-bridge cantilever segment construction task has won good reputation evaluation at owner, supervision unit.
In the continuous cantilever cast-in-place construction, according to the traditional process, after pouring of each section is finished on average, the inner formwork is generally dismantled and installed by 5 workers/d, the dismantling and installation can be finished after 2d of time is spent, 10 workers/section are counted, 18 cantilever sections are worked for each column pier of a continuous beam with the main span of 100 meters, and 180 workers are counted, by adopting the invention patent, the dismantling of the formwork and the installation of the formwork generally requires 2 workers/d, the installation and the dismantling are finished by 0.5d of time, 1 worker/section is counted, 18 cantilever sections are worked for each column pier of the continuous beam with the main span of 100 meters, 18 workers are counted, 162 workers are counted, the labor cost of each main pier is saved by about 3.24 ten thousand, the construction period of each main pier is saved by 27d, the tower crane equipment and elevator equipment are occupied by calculating the construction of the main piers, 0.5 ten thousand yuan is saved every day, the equipment cost is saved by 13.5 ten thousand yuan, and the construction personnel of each main pier section are 20 workers/d, the total labor saving is 10.8 ten thousand yuan. The full bridge has two main piers in total, and 55.08 ten thousand yuan is saved in total.
Compared with the traditional perfusion method, the invention has the following advantages:
1. reducing the security risk. The automatic hydraulic mounting and dismounting template and the automatic traveling template of the inner template replace the traditional manner of adopting a crowbar for demolding, thereby reducing the construction difficulty of personnel in the limited space of the box room and reducing the safety risk of the personnel;
2. high automation degree, high work efficiency and short construction period. The self-hydraulic mounting and dismounting template and the self-traveling template can more quickly complete the erection of the inner template, and the movable bottom plate template can accelerate the concrete pouring time;
3. the quality of the concrete is improved. The hydraulic form removal replaces the traditional manner of adopting a crowbar for demoulding, avoids the damage to the surface of the concrete, avoids the problems of lacking edges and falling corners and ensures the quality of the concrete;
4. environmental protection and sanitation, and secondary cleaning is avoided. The hydraulic form removal and the autonomous traveling meet the national environmental protection and energy saving requirements, avoid the problem of lacking edges and falling corners, reduce the pollution condition of concrete fragments in the continuous beam box chamber and avoid the sanitation of the interior of the secondary cleaning box chamber.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A hydraulic internal mold asynchronous walking system for a bridge suspension casting basket box chamber comprises a basket truss system, an internal template suspension system, an internal template system and a walking sliding beam (20), wherein the internal template system comprises a ceiling template (8) and an internal side template (7); the method is characterized in that: the inner template system also comprises a bottom template (6) and a walking mobile system;
the walking moving system comprises a top side mold walking mechanism, a bottom mold walking mechanism and a supporting mechanism (10), and the ceiling template (8) and the inner side template (7) are connected to the top of the walking sliding beam (20) through the top side mold walking mechanism; the bottom template (6) is hung at the bottom of the walking sliding beam (20) through a bottom die walking mechanism; the top side mold walking mechanism is connected with a telescopic supporting mechanism (10), and the top side mold walking mechanism is supported on the top of the bottom mold walking mechanism through the supporting mechanism (10); the basket truss system and the inner template system asynchronously travel under the driving of the traveling mobile system.
2. The hydraulic internal mold asynchronous traveling system of the bridge suspension casting basket chamber according to claim 1, characterized in that: the top side mould walking mechanism comprises an upper telescopic mechanism (11), a walking support beam (12), a motor and a support beam walking wheel (14);
the ceiling template (8) and the inner side template (7) are connected with a walking supporting beam (12) through an upper telescopic mechanism (11), the bottom of the walking supporting beam (12) is connected with supporting beam walking wheels (14), the supporting beam walking wheels (14) are connected to the top surface of a walking sliding beam (20) in a rolling mode, and the supporting beam walking wheels (14) are connected with a motor.
3. The hydraulic internal mold asynchronous traveling system of the bridge suspension casting basket chamber according to claim 1 or 2, characterized in that: the bottom die walking mechanism comprises a lower telescopic mechanism (9), a bottom template hanging walking part and a walking motor (15);
the bottom template hanging walking part comprises a U-shaped connecting part (21), two driving parts (22) and two bottom template hanging walking wheels (13), one of the two driving parts (22) is connected with a walking motor (15), the two driving parts (22) are respectively fixed at the top of the connecting part (21), the inner sides of the two driving parts (22) are both connected with the bottom template hanging walking wheels (13), and the two bottom template hanging walking wheels (13) are respectively connected to the positions of I-shaped steel wing plates of the walking sliding beam (20) in a rolling manner;
the bottom template (6) is connected with the bottom of the connecting part (21) through a lower telescopic mechanism (9).
4. The hydraulic internal mold asynchronous traveling system of the bridge suspension casting basket chamber according to claim 3, characterized in that: the number of the walking sliding beams (20) is two, and the number of the supporting beam walking wheels (14) and the number of the bottom template hanging walking parts are two.
5. The bridge suspension casting basket chamber hydraulic internal mold asynchronous traveling system according to claim 4, characterized in that: the joints of the ceiling template (8) and the inner side template (7) and the joints of the inner side template (7) and the bottom template (6) adopt groove design.
6. The hydraulic internal mold asynchronous traveling system of the bridge suspension casting basket chamber according to claim 5, characterized in that: the upper telescopic mechanism (11), the supporting mechanism (10) and the lower telescopic mechanism (9) are all hydraulic telescopic rods.
7. The hydraulic internal mold asynchronous traveling system of the bridge suspension casting basket chamber according to claim 6, characterized in that: the hanging basket truss device comprises a hanging basket main truss (1), a main truss front upper cross beam (3) and a hanging basket traveling track (4);
the suspension system of the inner template comprises a walking sliding beam front suspension point suspender (16), a walking sliding beam rear suspension point suspender (17), a walking beam pulley (18) and a walking beam suspension frame (19);
the hanging basket main truss (1) is fixed on a hanging basket walking track (4), a main truss front upper cross beam (3) at the front end of the hanging basket main truss (1) is fixed with the front end of a walking sliding beam (20) through a walking sliding beam front lifting point suspender (16), and the rear end of the walking sliding beam (20) is fixed on a poured beam section through a walking sliding beam rear lifting point suspender (17), a walking beam pulley (18) and a walking beam hanging frame (19).
8. A running method of a running system according to claim 1, characterized by: the method comprises the following steps:
the method comprises the following steps: the traveling sliding beam (20) drives the basket hanging truss device to move forwards; firstly, a ceiling template (8) and an inner side template (7) are dismantled; then, supporting the ceiling template (8), the inner side template (7) and the top side template walking mechanism on the bottom template (6); the walking sliding beam (20) independently walks and drives the basket hanging truss device to move forwards;
step two: running an inner template system; the ceiling template (8), the inner side template (7) and the top side template walking mechanism are separated from the bottom die walking mechanism, the ceiling template (8) and the inner side template (7) automatically walk to a next section to be constructed along the walking sliding beam (20), the ceiling template (8) and the inner side template (7) are spread, and then concrete pouring operation is carried out; and (4) dismantling the bottom template (6), realizing the autonomous forward movement and traveling of the bottom template, expanding the bottom template (6), and continuously pouring the web concrete.
9. A method of running according to claim 8, wherein: the detachment of the ceiling template (8) and the inner side template (7) in the step one is carried out by contracting the upper telescopic mechanism (11), and the ceiling template (8), the inner side template (7) and the top side template walking mechanism are supported on the bottom template (6) by extending the upper telescopic mechanism (11).
10. A method of running according to claim 9, wherein: and the concrete pouring operation in the step two is carried out until the bottom plate concrete is vibrated, and then the bottom template (6) is dismantled and the self-advancing walking of the bottom template is realized.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114182651A (en) * | 2021-12-31 | 2022-03-15 | 中铁一局集团有限公司 | Method for dismantling guy cable hanging basket in sections |
| CN116791491A (en) * | 2023-08-28 | 2023-09-22 | 湖南路桥建设集团有限责任公司 | Continuous rigid frame bridge box girder hanging basket suspension casting device and suspension casting process |
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| CN114182651B (en) * | 2021-12-31 | 2024-06-11 | 中铁一局集团有限公司 | Segmented dismantling method for guy rope hanging basket |
| CN116791491A (en) * | 2023-08-28 | 2023-09-22 | 湖南路桥建设集团有限责任公司 | Continuous rigid frame bridge box girder hanging basket suspension casting device and suspension casting process |
| CN116791491B (en) * | 2023-08-28 | 2023-11-21 | 湖南路桥建设集团有限责任公司 | Continuous rigid frame bridge box girder hanging basket suspension casting device and suspension casting process |
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