CN109440654B - Construction equipment capable of realizing bridge spanning on non-closed road and construction method thereof - Google Patents
Construction equipment capable of realizing bridge spanning on non-closed road and construction method thereof Download PDFInfo
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- CN109440654B CN109440654B CN201811546085.8A CN201811546085A CN109440654B CN 109440654 B CN109440654 B CN 109440654B CN 201811546085 A CN201811546085 A CN 201811546085A CN 109440654 B CN109440654 B CN 109440654B
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- leg
- front leg
- herringbone
- supporting beam
- base
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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
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Abstract
The invention discloses a construction device capable of realizing a bridge striding on an unclosed road and a construction method thereof, wherein the construction device comprises a base, a movable herringbone support is erected on the base, the herringbone support comprises a herringbone front leg and a herringbone rear leg, the front end of the herringbone front leg is hinged with the base, the front end part of the herringbone front leg is provided with a lower bracket, the front end part of the base is provided with a lifting lower oil cylinder connected with the herringbone front leg, the rear end of the herringbone front leg is hinged with the front end of the herringbone rear leg, the rear end part of the herringbone rear leg is provided with a pin shaft hole, the middle part of the base is provided with a rear ear seat matched with the pin shaft hole, and the rear end part of the herringbone front leg is also provided with a winch for fixing, lifting and lowering a supporting beam; with the above apparatus, the support beams for laying the cast slabs are erected one by a turning method. The invention has reasonable structural design, does not need to seal another road in the process, is convenient to operate, improves the benefit, lightens the labor intensity, and has quick, safe and convenient construction.
Description
The technical field is as follows:
the invention relates to the field of bridge construction, in particular to an upper-span bridge construction device capable of realizing the crossing of railways or other roads without road sealing and a construction method thereof.
Background art:
in the road construction, sometimes need to erect the bridge which crosses another road, the traditional construction method is to overlap the steel frame from the ground to the top and then lay the template on the steel frame to cast the bridge, or hang the bridge module cast in advance to the pier with the crane directly, the above two methods of construction need to close another road for a period of time, so will give another road a lot of inconveniences, and the construction labour intensity is big, the construction period is long, the invention is a apparatus and method invented under this background, rotate the supporting beam (can be the bridge module if the apparatus is big enough) to erect the construction and dismantle (if the bridge module, does not dismantle), the whole construction process need not to close another road, and the construction is quick, safe, convenient.
The invention content is as follows:
the invention aims to make up for the defects of the prior art, provides construction equipment capable of crossing a bridge without closing a road and a construction method thereof, does not need to close another road in the bridge crossing construction process, improves the benefit and reduces the labor intensity.
The invention is realized by the following technical scheme:
the utility model provides a can realize not closing construction equipment who strides bridge on road, including the base, its characterized in that: the movable herringbone support is erected on the base and comprises a herringbone frame front leg and a herringbone frame rear leg, the front end of the herringbone frame front leg is hinged to the base, a lower bracket is installed at the end portion of the front end of the herringbone frame front leg, a lifting lower oil cylinder connected with the herringbone frame front leg is installed at the front end portion of the base, the rear end of the herringbone frame front leg is hinged to the front end of the herringbone frame rear leg, a roller is installed at the rear end of the herringbone frame rear leg and is in guide fit with a guide rail at the rear end portion of the base, a pin shaft hole is formed in the rear end portion of the herringbone frame rear leg, a rear lug seat matched with the pin shaft hole is arranged in the middle of the base, and a winch used for fixing, lifting and lowering a supporting beam is further installed on the rear end portion of the herringbone frame front leg.
The lower end face of the front end part of the front leg of the propeller strut is provided with an ear plate, the ear plate is connected with a front ear seat on the base through a pin shaft, the upper end face of the front end part of the front leg of the propeller strut is provided with a connecting ear, the connecting ear is provided with a lower bracket, and the rear end part of the connecting ear is hinged with the front end part of the rear leg of the propeller strut.
The Y-shaped bracket is characterized in that mounting fixing plates are respectively arranged on two sides of the front end of the base, a lifting and lowering oil cylinder which is obliquely arranged is mounted between the mounting fixing plates, the extending end of a piston rod of the lifting and lowering oil cylinder is connected with the front end of a front leg of the A-bracket, and a guide rail is arranged at the rear end of the base.
The lower bracket comprises a lower bracket body, a connecting hole is formed in the rear end portion of the lower bracket body and is connected with the front leg of the propeller strut through a pin shaft, limiting plates are mounted on two sides of the front end portion of the lower bracket body respectively, and a slot is formed between each limiting plate and two side faces of the lower bracket body.
The construction method of the device is characterized in that: by adopting the equipment, the supporting beams for laying the casting templates are erected in place one by one through a turning method, and the concrete construction steps are as follows: firstly, firmly fixing equipment on a single side of a platform on one side, withdrawing a front leg of a propeller strut of the equipment to a horizontal position, enabling a rear leg to be in a natural laying and flat-mounting state along with the front leg, placing a supporting beam of a casting template to be laid on the front leg of the propeller strut from the front side downwards, inserting a lower bracket into one end of the supporting beam, fixing the lower bracket and the lower end of the front leg of the propeller strut by using a pin, mounting a safety pin, firmly connecting a pull ring of the supporting beam and a rope end of a winch steel wire rope of the propeller strut by using a shackle, and rotating a winch to tighten the steel wire rope, so that the supporting beam is mounted on the; secondly, erecting a supporting beam, starting a hydraulic station, opening a main push oil cylinder, lifting a front leg of the propeller strut, connecting one end of a rear leg of the propeller strut with a front leg of the propeller strut by a pin, dragging the rear leg to lift along with the lifting of the front leg, arranging a roller at the other end of the rear leg to be dragged to roll forwards on the track along with the lifting of the front end until a pin hole of the rear leg of the propeller strut moves to a rear lug seat position on a base, adjusting the position to a position capable of just penetrating a pin by the oil cylinder, installing the pin to fix the rear leg of the propeller strut, closing the oil cylinder, finishing lifting, enabling the front leg of the propeller strut to be in a forward-inclined installation state, starting a winch to slowly release a steel wire rope, enabling the supporting beam to rotate around the pin of a lower bracket under the self weight of the supporting beam to be placed on an opposite platform until the supporting beam is stable, detaching the steel wire rope, finishing the lowering work, transversely moving the supporting beam to, the height of the single supporting beam is adjusted to be required through the inclined iron pads at the two ends and the single supporting beam is fixed firmly, so that the installation of the single supporting beam is completed, other supporting beams are sequentially installed by the same method, a casting template is laid after all the supporting beams are installed, the bridge is cast, and after the maintenance period is finished, the template and the supporting beam are removed and the reverse installation process is repeated.
The transverse translation guide rails are laid on two sides of the bridge to be erected in advance, and the support beam is placed on the transverse translation guide rails after being lowered down and can move on the transverse translation guide rails.
The height and the level of the two ends of the supporting beam are adjusted by two mutually matched and overlapped inclined irons.
The invention has the advantages that:
the invention has reasonable structural design, supports for laying the casting templates are erected in place one by a turning method through the matching of all the components, the other road does not need to be closed in the process, the operation is convenient, the benefit is improved, the labor intensity is reduced, the construction is quick, safe and convenient, and the use requirement is met.
Description of the drawings:
fig. 1 is a view showing a horizontal installation state of the structure of the present invention.
FIG. 2 is a top mounting view of the structure of the present invention.
Fig. 3 is a lifting state diagram of the structure of the invention.
Fig. 4 is a lowering state diagram of the structure of the present invention.
Fig. 5 is a schematic structural view of the lower bracket.
Fig. 6 is a front view of the front leg of the herringbone frame.
Fig. 7 is a front view of the herringbone frame retreating.
Fig. 8 is a front view of the base.
Fig. 9 is a top view of the base.
The specific implementation mode is as follows:
see the drawings.
A method and equipment for erecting a bridge cast template supporting beam mainly comprise the following components: 1. an equipment base; 2. the front leg of the propeller strut, the ear plate of the front leg lower end of the propeller strut is connected with ear seat of the base through the pin, can rotate with the pin as the spindle, the front leg is equipped with the winch, is used for putting and lifting the supporting beam; 3. the upper end of the rear leg of the propeller strut is connected with the upper ear seat of the front leg through a pin and can rotate by taking the pin as a rotating shaft, the lower end of the rear leg is provided with a roller, the center of the roller shaft is a pin shaft hole, the roller rolls forwards along a track in the lifting process of the propeller strut, when the pin hole is aligned with the ear seat hole, the rear leg is connected with the rear ear seat of the base through the pin, and the propeller strut is in a triangular stable state at the moment, 4, the hydraulic cylinder is lifted and lowered, the front end of the hydraulic cylinder is connected with the propeller strut, and the rear end of the hydraulic cylinder is arranged on the base and used for lifting; 5. the lower bracket is used for fixing and lifting the supporting beam and is connected and installed with the front leg of the propeller strut by a pin; 6. a hydraulic station for controlling the lift cylinder and the winch (when the winch is a hydraulic winch); 7. the electric cabinet is used for supplying power and controlling equipment; 8 transverse moving rails which are independently arranged on piers at two sides and used for transverse movement of the supporting beam; 9. and the inclined iron is independently installed and is used for fixing the supporting beam and adjusting the height and the level.
The concrete construction steps are as follows:
the base 7 is fixedly secured to a single side of a side platform as viewed in a horizontal mounting position and a top mounting position.
The front legs 3 of the propeller strut are pinned to the base as seen in the horizontal mounting position.
Thirdly, a winch 5 is arranged at the top end of the front leg of the propeller strut, the propeller strut rear leg 6 is connected to the connecting lug seat of the front leg through a pin, and the roller of the propeller strut rear leg 6 is freely placed on the track of the base 7 as seen in a horizontal installation state.
And fourthly, installing the lifting and lowering oil cylinder 2 as seen by a horizontal installation state diagram.
And fifthly, installing the inclined irons 8 according to the required quantity of the arrangement drawing (provided by building construction) of the casting beam, as seen in a horizontal installation state drawing and a top erection drawing.
And sixthly, installing the traverse guide 9 according to the required length of the arrangement drawing (provided by building construction) of the casting beam, as seen in a horizontal installation state drawing and a top erection drawing.
Laying a cast template supporting beam, placing the cast supporting beam 4 on the front leg 3 of the propeller strut with the front face facing downwards (the front face faces to the upper plane of the propeller strut front leg 3), inserting the lower bracket 1 into the right end of the cast supporting beam, fixing the lower bracket and the lower end of the propeller strut front leg 3 by a pin, installing a safety pin, firmly connecting a pull ring of the supporting beam with a rope end of a winch steel wire rope by a shackle, and rotating the winch to tighten the steel wire rope as seen in a horizontal installation state diagram.
Starting a hydraulic station, lifting and lowering the oil cylinder 2, lifting the front leg 3 of the propeller strut, connecting one end of the rear leg 6 of the propeller strut with the front leg 3 of the propeller strut by a pin, dragging and lifting the rear leg 6 along with the lifting of the front leg 3, dragging and rolling the roller at the other end of the rear leg 6 on the track of the base 7 along with the lifting of the front end, adjusting the position to the position which can just wear the pin by the oil cylinder 2 until the position of the connecting lug seat of the base is reached, and fixing the lower end of the rear leg 6 by installing the pin, as seen in a lifting state diagram.
And nine, starting the winch 5 to slowly release the steel wire rope, and then the supporting beam 4 rotates and descends around the pin of the lower bracket 1 under the action of the self weight of the supporting beam until the supporting beam is placed on the opposite platform to be stable, detaching the steel wire rope, and detaching the lower bracket 1 as seen in a lower state diagram.
And ten, moving the supporting beam 4 to a required position on the transverse rail 9, adjusting the height to the required height (leaving the transverse rail 9) through the inclined iron pads 8 at two ends, and fixing firmly, so that the installation of the single supporting beam 4 is finished, and installing other supporting beams in turn in the same way until the installation is finished according to the supporting beam layout (provided by building construction).
And eleven, operating the recovery supporting beam 4 according to the reverse installation process.
Claims (6)
1. A construction method capable of realizing bridge spanning on an unclosed road is characterized by comprising the following steps: the construction equipment comprises a base, wherein a movable herringbone support is erected on the base, the herringbone support comprises a herringbone frame front leg and a herringbone frame rear leg, the front end of the herringbone frame front leg is hinged with the base, the front end part of the herringbone frame front leg is provided with a lower bracket, the front end part of the base is provided with a lifting and lowering oil cylinder connected with the herringbone frame front leg, the rear end of the herringbone frame front leg is hinged with the front end of the herringbone frame rear leg, the rear end of the herringbone frame rear leg is provided with a roller, the roller is in guiding fit with a guide rail at the rear end part of the base, the rear end part of the herringbone frame rear leg is provided with a pin shaft hole, the middle part of the base is provided with a rear lug seat matched with the pin shaft hole, and the rear end part of the herringbone frame front leg is also provided with a winch for fixing, lifting and lowering a supporting;
by adopting the equipment, the supporting beams for laying the casting templates are erected in place one by one through a turning method, and the concrete construction steps are as follows: firstly, firmly fixing equipment on a single side of a platform on one side, withdrawing a front leg of a propeller strut of the equipment to a horizontal position, enabling a rear leg to be in a natural laying and flat-mounting state along with the front leg, placing a supporting beam of a casting template to be laid on the front leg of the propeller strut from the front side downwards, inserting a lower bracket into one end of the supporting beam, fixing the lower bracket and the lower end of the front leg of the propeller strut by using a pin, mounting a safety pin, firmly connecting a pull ring of the supporting beam and a rope end of a winch steel wire rope of the propeller strut by using a shackle, and rotating a winch to tighten the steel wire rope, so that the supporting beam is mounted on the; secondly, erecting a supporting beam, starting a hydraulic station, opening a lifting and lowering oil cylinder, lifting a front leg of the propeller strut, connecting one end of a rear leg of the propeller strut with a front leg of the propeller strut by a pin, dragging the rear leg to be lifted along with the lifting of the front leg, installing a roller at the other end of the rear leg to be dragged along with the lifting of the front end to roll forwards on the track until a pin hole of the rear leg of the propeller strut moves to a rear lug seat position on the base, installing a pin to fix the rear leg of the propeller strut when the pin hole is adjusted to a position which can just penetrate the pin by the lifting and lowering oil cylinder, closing the lifting and lowering oil cylinder, completing lifting, enabling the front leg of the propeller strut to be in a forward-inclined installation state, starting a winch to slowly release a steel wire rope, rotating and lowering the supporting beam around the pin of a lower bracket under the self weight of the supporting beam until the supporting beam is placed on an opposite platform to be, the supporting beam is transversely moved to a required position on the transverse rail, the required height is adjusted through the inclined iron pads at the two ends and the supporting beam is firmly fixed, so that the installation of the single supporting beam is completed, other supporting beams are sequentially installed by the same method, a casting template is laid after all the supporting beams are installed, the bridge is cast, the template and the supporting beam are disassembled and recovered after the maintenance period is finished, and the reverse installation process is repeated.
2. The construction method capable of realizing the bridge spanning on the unclosed road according to claim 1, characterized in that: the lower end face of the front end part of the front leg of the propeller strut is provided with an ear plate, the ear plate is connected with a front ear seat on the base through a pin shaft, the upper end face of the front end part of the front leg of the propeller strut is provided with a connecting ear, the connecting ear is provided with a lower bracket, and the rear end part of the connecting ear is hinged with the front end part of the rear leg of the propeller strut.
3. The construction method capable of realizing the bridge spanning on the unclosed road according to claim 1, characterized in that: the Y-shaped bracket is characterized in that mounting fixing plates are respectively arranged on two sides of the front end of the base, a lifting and lowering oil cylinder which is obliquely arranged is mounted between the mounting fixing plates, the extending end of a piston rod of the lifting and lowering oil cylinder is connected with the front end of a front leg of the A-bracket, and a guide rail is arranged at the rear end of the base.
4. The construction method capable of realizing the bridge spanning on the unclosed road according to claim 1, characterized in that: the lower bracket comprises a lower bracket body, a connecting hole is formed in the rear end portion of the lower bracket body and is connected with the front leg of the propeller strut through a pin shaft, limiting plates are mounted on two sides of the front end portion of the lower bracket body respectively, and a slot is formed between each limiting plate and two side faces of the lower bracket body.
5. The construction method according to claim 1, characterized in that: the transverse rails are laid on two sides of the bridge to be erected in advance, and the supporting beam is placed on the transverse rails after being lowered down and can move on the transverse rails.
6. The construction method according to claim 1, characterized in that: the height and the level of the two ends of the supporting beam are adjusted by two mutually matched and overlapped inclined irons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546085.8A CN109440654B (en) | 2018-12-18 | 2018-12-18 | Construction equipment capable of realizing bridge spanning on non-closed road and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546085.8A CN109440654B (en) | 2018-12-18 | 2018-12-18 | Construction equipment capable of realizing bridge spanning on non-closed road and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN109440654A CN109440654A (en) | 2019-03-08 |
| CN109440654B true CN109440654B (en) | 2021-04-16 |
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| CN201811546085.8A Active CN109440654B (en) | 2018-12-18 | 2018-12-18 | Construction equipment capable of realizing bridge spanning on non-closed road and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110002343B (en) * | 2019-04-26 | 2024-05-10 | 青岛长永机械工程有限公司 | Self-driven urban underground prefabricated comprehensive pipe gallery laying hoisting machine and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2611371B1 (en) * | 1987-02-27 | 1989-05-19 | Mediterranee Const Navales Ind | SYSTEM FOR DEPLOYING AND DEPOSITING A CROSSING ROAD OF AN OBSTACLE FROM A VEHICLE SUCH AS AN ARMORED MACHINE OF ENGINEERING |
| CN101343857A (en) * | 2008-04-03 | 2009-01-14 | 上海海事大学 | Single-leaf type pitching suspension bridge for ship lock |
| CN203065953U (en) * | 2013-02-04 | 2013-07-17 | 天津滨海博泰海事工程技术有限公司 | Automatic-compensation telescopic trestle |
| CN204000570U (en) * | 2014-08-22 | 2014-12-10 | 舟山长宏国际船舶修造有限公司 | Floating dock access bridge |
| CN205857003U (en) * | 2016-07-22 | 2017-01-04 | 李思模 | The bridge that can disconnect |
| CN208183509U (en) * | 2018-04-12 | 2018-12-04 | 江苏元鼎建设工程有限公司 | A kind of bridge that civil small-scale quickly splices |
| CN209307873U (en) * | 2018-12-18 | 2019-08-27 | 合肥成基铁路工程科技有限公司 | A kind of construction equipment of achievable overpass beam of not closing a road to traffic |
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Address after: 230000 8 / F, building a, maker space, Tsinghua enlightenment science and Technology City, 175 Houde Road, Hefei Economic Development Zone, Anhui Province Applicant after: HEFEI CHENGJI RAILWAY ENGINEERING TECHNOLOGY Co.,Ltd. Address before: 230000 Linghua Building, Tongling North Road, Yaohai District, Hefei City, Anhui Province Applicant before: HEFEI CHENGJI RAILWAY ENGINEERING TECHNOLOGY Co.,Ltd. |
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