CN116497706A - Device and method for transporting box girder steel bar parts for bridge deck - Google Patents
Device and method for transporting box girder steel bar parts for bridge deck Download PDFInfo
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- CN116497706A CN116497706A CN202310442048.7A CN202310442048A CN116497706A CN 116497706 A CN116497706 A CN 116497706A CN 202310442048 A CN202310442048 A CN 202310442048A CN 116497706 A CN116497706 A CN 116497706A
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- box girder
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- bar part
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 58
- 239000010959 steel Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 50
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 241000935974 Paralichthys dentatus Species 0.000 claims description 34
- 239000000725 suspension Substances 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 17
- 230000002787 reinforcement Effects 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 claims description 2
- 238000011897 real-time detection Methods 0.000 claims description 2
- 241000242541 Trematoda Species 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 238000011065 in-situ storage Methods 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000011178 precast concrete Substances 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000001632 homeopathic effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
-
- 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a transportation device and a method for a box girder steel bar part for a bridge deck, and the transportation device and the method for the box girder steel bar part for the bridge deck, comprising the following steps: the box girder steel bar part product forming jig frame is arranged on the poured box girder and comprises a plurality of split type bottom plate binding jig frames which are uniformly distributed and movable web plate binding jig frames positioned at two sides of the split type bottom plate binding jig frames; the split type transport vechicle, split type transport vechicle comprises a plurality of liftable and the transportation unit of intercommunication each other. Through setting up split type transport vechicle and the cooperation of box girder reinforcing bar portion article shaping bed-jig, can directly carry out the ligature of box girder reinforcing bar portion article on split type transport vechicle to through the lift of split type transport vechicle, the direct jack-up box girder reinforcing bar portion article is transported, and the conversion of whole system is very convenient, need not large-scale lifting device, and its lifting function can effectively use with box girder reinforcing bar bottom plate bed-jig and cantilever simply supported bridge crane cooperation.
Description
Technical Field
The invention relates to the field of cast-in-situ box girder steel bar engineering assembly construction, in particular to a box girder steel bar part conveying device for a bridge deck and a method thereof.
Background
The cast-in-situ box girder has good integrity, convenient construction, good appearance and strong practicability, thereby being one of the common construction technologies for bridge approach. However, with the upgrade of the equipment technology of the fabricated building, the traditional post-site processing and site binding construction process in the cast-in-situ box girder steel bar construction is difficult to meet the construction efficiency and safety requirements of the current bridge, so that each constructor begins to explore the cast-in-situ box girder steel bar engineering assembled construction process, and a method of prefabricating the post-box girder steel bar parts and assembling the site steel bar structures is adopted to improve the site steel bar binding efficiency.
The transportation and hoisting of the box girder reinforced bar parts from the binding station to the on-site assembly station need corresponding matched construction equipment and construction methods, however, because the cast-in-situ box girder reinforced bar parts construction process is a novel process and no specific corresponding matched equipment is used, the existing box girder reinforced bar parts transportation and hoisting method is often used for reference to the precast concrete box Liang Yundiao: the beam transporting vehicle and the bridge girder erection machine and the matched use method. A method is as follows: binding a box girder steel bar part on a girder transporting vehicle, and then transporting to a site station for hoisting by using a bridge girder erection machine; the other method is as follows: binding a steel bar part on the integral jig, hoisting to a girder transporting vehicle, transporting to a site station, and hoisting by a bridge girder erection machine.
The supporting equipment and the process for the precast concrete box girder mainly aim at the characteristics of poor tensile property, large weight and the like of a concrete structure, and in order to ensure that the concrete box girder is uniformly stressed, a girder transporting vehicle is usually of an integral structure, and a bridge girder erection machine spans at least two spans, so that project construction cost is greatly improved. The main body of the reinforced bar part is in a reinforced bar structure, the whole weight is lighter, and the reinforced bar part has extremely strong tensile property, so that unnecessary cost waste can be caused if matched equipment and process which are the same as those of conventional precast concrete are adopted, and the box girder reinforced bar part conveying device for the bridge deck and the method thereof are provided for solving the problems.
Disclosure of Invention
The invention mainly aims to provide a box girder steel bar part conveying device for a bridge deck and a method thereof, which solve the problem of higher carrying cost in the conventional box girder steel bar part conveying and hoisting.
In order to solve the technical problems, the invention adopts the following technical scheme: a box girder steel bar part transportation device for a bridge deck and a method thereof, comprising:
the box girder steel bar part product forming jig frame is arranged on the poured box girder and comprises a plurality of split type bottom plate binding jig frames which are uniformly distributed and movable web plate binding jig frames positioned at two sides of the split type bottom plate binding jig frames;
the split type transport vehicle consists of a plurality of transport units which can be lifted and communicated with each other, and the transport units are arranged in a plurality of split type bottom plate binding jig frames in a penetrating way;
the box girder steel bar part is arranged at the top of the split type transport vehicle and the split type bottom plate binding jig frame;
the lifting appliance is fixedly arranged at the top of the box girder reinforced bar part and is used for lifting the box girder reinforced bar part;
the cantilever simply supported bridge girder erection machine is arranged on a preset installation station of the box girder reinforced bar part.
In a preferred scheme, the movable web binding jig comprises a web jig structure and universal wheels arranged at the bottom of the web jig structure.
In the preferred scheme, the transportation unit comprises a frame, a steering device fixedly connected at four corners of the bottom of the frame, an automatic lifting suspension device arranged at the bottom of the steering device, a hydraulic traveling wheel set arranged at the bottom of the automatic lifting suspension device, and a binding plate arranged at the top of the frame, wherein the frame is provided with a storage battery for supplying power, a hydraulic station for providing kinetic energy, an inclination angle sensor for monitoring balance, a laser ranging sensor for measuring distance and a GPS positioning device for positioning;
the automatic lifting suspension device comprises a connecting plate fixedly connected with a steering shaft of the steering device, connecting pieces with two ends respectively hinged with the connecting plate and the hydraulic traveling wheel set, and a hydraulic oil cylinder hinged in the connecting pieces and with an output end hinged with the hydraulic traveling wheel set.
In the preferred scheme, the cantilever simply supported bridge girder erection machine comprises a bearing supporting leg, a bearing beam arranged on the bearing supporting leg and a plurality of mobile cranes hung on the bearing beam.
In the preferred scheme, the hoist is including setting firmly at the crossbeam at roof beam rebar portion article top, being located the lift beam at crossbeam top, setting up in the lift beam bottom and scalable jib that passes the crossbeam to and set up in the lift beam bottom and the output shaft is towards the tight hydro-cylinder of crossbeam.
In the preferred scheme, be provided with a plurality of vertical perforation that supplies the jib to pass and be used for with the fixed horizontal perforation of case roof beam reinforcing bar portion article on the crossbeam, the side of crossbeam is provided with interval laser range finder, the top center department of lift roof beam is provided with the lug, is connected through the universal joint between jib and the lift roof beam, is rotatable connection between universal joint and the lift roof beam, the bottom of jib is provided with self-adaptation fluke.
In the preferred scheme, the bottom of lift roof beam is provided with the roating seat, is provided with the T shape rotary groove of downwardly opening in the roating seat, and the top of universal joint has set firmly the T shape rotatory piece that is arranged in T shape rotary groove.
In the preferred scheme, self-adaptation fluke is including the thin connecting rod, thick connecting rod and the base of rigid coupling in proper order in the jib bottom, and the diameter of thin connecting rod is less than thick connecting rod and jib, and the outside movable sleeve of thin connecting rod is equipped with expansion ring and tension spring, and tension spring is located between expansion ring and the jib, and the top of base articulates there is a plurality of fluke, and the outside of expansion ring articulates there is the connecting rod the same with fluke quantity, and the other end of connecting rod articulates mutually with corresponding fluke.
The method comprises the following steps:
s1, binding a box girder steel bar part, namely lowering the height of a split type transport vehicle to be the same as the height of a split type bottom plate binding jig frame, binding the box girder steel bar part in the jig frame formed by the split type bottom plate binding jig frame, a movable web plate binding jig frame and the split type transport vehicle, and uniformly installing a plurality of lifting appliances on the top of the box girder steel bar part;
s2, carrying out transportation lifting, namely respectively moving the movable web plate binding jig frames at two sides outwards, then lifting the split type transport vehicle to the highest state, integrally supporting the steel bar parts of the box girder, wherein the height of the split type transport vehicle is higher than the upper surface of the split type bottom plate binding jig frame, and keeping the heights of the transport units consistent at each stage of the supporting process;
s3, transporting the steel bar parts of the box girder, wherein the steel bar parts of the box girder are transported by the split transport vehicle to cross the split type bottom plate binding jig frame and transported to the site installation station by the binding station, in the process, the automatic walking control and the rough positioning control are carried out on each transport unit by the GPS positioning device, on the other hand, the real-time distance between each transport unit is detected by the laser ranging sensor, and then the relative position of each transport unit is controlled;
s4, hoisting the box girder reinforced bar part, hoisting a first hoisting tool at the forefront end by using a mobile crane closest to the installation station after the front end of the box girder reinforced bar part reaches the field installation station, lowering a first transportation unit at the forefront end to the lowest state, moving the first transportation unit from the side surface of the box girder reinforced bar part to the forefront end of the split type transportation vehicle, then moving the rest transportation units of the split type transportation vehicle forward, and synchronously moving the mobile crane connected with the hoisting tool forward, wherein the speeds of the split type transportation vehicle and the mobile crane are kept equal in the process;
s5, repeating the step S4, so that the mobile cranes hoist the corresponding lifting appliances step by step, thereby feeding the box girder reinforced bar parts to the cantilever simple-support bridge girder erection machine, then completing the hoisting work of the box girder reinforced bar parts through the cantilever simple-support bridge girder erection machine, simultaneously, after completing the work, recombining the box girder reinforced bar parts into a split type transport vehicle behind each transport unit, returning to a binding station, and when reaching the binding station, lifting the split type transport vehicle to the highest state, then crossing the split type bottom plate binding jig frame one by one, returning to the original position, then lowering to the lowest state to be the same as the height of the split type bottom plate binding jig frame, and finally moving back to the movable web plate binding jig frame to bind the reinforced bar parts of the next box girder;
s6, repeating the steps S1-S5, and continuously completing the transportation and hanging work of the box girder reinforced bar parts.
In a preferred scheme, the specific installation method of the lifting appliance comprises the following steps:
s1, mounting cross beams, sequentially mounting the cross beams forwards from the rear end of a box girder reinforced part, detecting the distance between the cross beams through a distance laser range finder, ensuring the mounting accuracy of the cross beams, and binding the cross beams on the top of the box girder reinforced part through transverse perforation during mounting;
s2, installing a lifting beam and a hanging rod, moving the lifting beam to the top of a cross beam, enabling the hanging rod to pass through corresponding vertical through holes, enabling a self-adaptive fluke to be contracted by pressure from the lower part when passing through the vertical through holes and a box beam steel bar part, and enabling the self-adaptive fluke to pass through the vertical through holes and the box beam steel bar part, and enabling the angle of the hanging rod to be properly adjusted through a rotatably connected universal joint when passing through the box beam steel bar part;
s3, tensioning the self-adaptive fluke, starting the tightening oil cylinder, enabling the lifting beam to drive the suspender and the self-adaptive fluke to lift up, and enabling the fluke to be anchored with the bottom of the steel bar part of the box beam.
The invention provides a transportation device and a method for a box girder steel bar part for a bridge deck, which have the following beneficial effects:
1. the split type transport vehicle and the box girder steel bar part forming jig frame are matched, so that the box girder steel bar part can be directly bound on the split type transport vehicle, the box girder steel bar part is directly jacked up to be transported through the lifting of the split type transport vehicle, the whole system is very convenient to convert, large hoisting equipment is not needed, the method is simple, and the lifting function of the split type transport vehicle can be effectively matched with the box girder steel bar bottom plate jig frame and the cantilever simply supported bridge girder erection machine;
2. the split type transport vehicle is composed of a plurality of transport units, so that the transport of the box girder reinforced bar parts is high in flexibility, the occupied area is smaller, the cooperation with the cantilever simply supported bridge girder erection machine is more convenient, namely, a group of mobile cranes are connected with the box girder reinforced bar parts, the connection between a group of transport units and the box girder reinforced bar parts can be relieved in a homeopathic manner, the box girder reinforced bar parts can be gradually transferred onto the mobile cranes, the safety is greatly improved, meanwhile, the transport units which finish the transport work can be moved to the rear, the subsequent hoisting of the box girder reinforced bar parts is avoided, and in addition, the number of the transport units can be rapidly adjusted according to the needs of the box girder reinforced bar parts;
3. through setting up GPS positioner, be convenient for realize the automation of transportation, can save certain manual work to a certain extent to combine the distance between each transportation unit of laser rangefinder sensor can effective control, prevent the damage of case roof beam reinforcing bar portion article, in addition, combine inclination sensor messenger transportation unit to remain the level throughout in the transportation.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of a split floor tie jig and removable web tie jig of the present invention;
FIG. 2 is a side view of a split floor ligating jig frame construction of the invention;
FIG. 3 is a construction diagram of binding of the steel bar parts of the box girder of the present invention;
FIG. 4 is a block diagram of a split transporter of the present invention;
FIG. 5 is a block diagram of a transport unit according to the present invention;
FIG. 6 is a schematic view of the elevated state of the automatic elevating suspension assembly of the present invention;
FIG. 7 is a schematic view showing a lowered state of the automatic lifting suspension device of the present invention;
FIG. 8 is a block diagram of a frame of the present invention;
FIG. 9 is a block diagram of a cantilever simply supported bridge girder erection machine according to the present invention;
FIG. 10 is a block diagram of a spreader of the present invention;
FIG. 11 is a cross-beam block diagram of the present invention;
FIG. 12 is a block diagram of the connection of the lifting beam, boom and adaptive fluke of the present invention;
FIG. 13 is a block diagram of a boom of the present invention;
FIG. 14 is an enlarged view of the structure A of FIG. 13 in accordance with the present invention;
FIG. 15 is an enlarged view of the structure B of FIG. 13 in accordance with the present invention;
FIG. 16 is a schematic view of the method of the present invention for binding rebar components of a box girder;
FIG. 17 is a schematic diagram of a method of the present invention for transporting and lifting;
FIG. 18 is a schematic representation of the method of the present invention being transported to a field installation station;
FIG. 19 is a schematic view of a mobile crane closest to the installation station and a first spreader hoist of the method of the present invention;
FIG. 20 is a schematic view of the method of the present invention with the box girder rebar component lifted and the forwardmost transport unit moved to the forwardmost end;
FIG. 21 is a schematic view of the method of the present invention for sequentially lifting a mobile crane and a spreader;
FIG. 22 is a schematic view of the method of the present invention with the transport units sequentially moved to the extreme ends;
FIG. 23 is a schematic overall return view of the split transporter of the present invention;
FIG. 24 is a schematic cross-sectional view of a split transporter of the present invention;
in the figure: a split type bottom plate binding jig frame 1; a movable web binding jig frame 2; a universal wheel 201; a web jig frame structure 202; a split transport vehicle 3; a transport unit 301; a hydraulic travel wheel set 3010; an automatic lifting suspension 3011; a turning device 3012; a frame 3013; a ligating plate 3014; a cantilever simply supported bridge girder erection machine 4; a load-bearing leg 401; spandrel girder 402; a mobile crane 403; a box girder reinforcing bar part 5; a lifting appliance 6; a storage battery 7; a hydraulic station 8; an inclination sensor 9; a laser ranging sensor 10; a GPS positioning device 11; a cross beam 601; vertical perforation 6011; a pitch laser rangefinder 6012; transverse perforation 6013; a lifting beam 602; lifting lug 6020; a swivel base 6021; t-shaped rotating groove 6022; tightening cylinder 603; boom 604; an adaptive fluke 605; a thin connecting rod 6051; coarse connecting rod 6052; a base 6053; tension spring 6054; a telescopic ring 6055; a connecting rod 6056; fluke 6057; a universal joint 606; t-shaped rotating block 6061.
Detailed Description
Example 1
As shown in fig. 1-9, a conveying device for box girder reinforced bar parts for bridge decks is provided, aiming at the problems of higher cost and the like caused by a carrying tool and a carrying method with the structural characteristics of box girder reinforced bars, a brand new conveying system and method are provided, box girder reinforced bar parts are bound on a split type bottom plate binding jig frame and a split type conveying vehicle, then the split type conveying vehicle conveys the reinforced bar parts to a site station, and finally the reinforced bar parts are hoisted point by point in cooperation with a double-machine of a cantilever simple-support bridge girder erection machine.
The method specifically comprises the following steps:
the box girder steel bar part product forming jig frame is arranged on a box girder which is poured, and comprises a plurality of split type bottom plate binding jig frames 1 which are uniformly distributed and movable web binding jig frames 2 which are positioned on two sides of the split type bottom plate binding jig frames 1.
In this embodiment, movable web ligature bed-jig 2 includes web bed-jig structure 202 and sets firmly the universal wheel 201 in web bed-jig structure 202 bottom, and web bed-jig structure 202 can remove through the universal wheel 201 that the bottom set up, after box girder steel reinforcement portion article 5 ligature is accomplished, can outwards remove both sides movable web ligature bed-jig 2, and then conveniently transport the jack-up of box girder steel reinforcement portion article 5, and in this embodiment, split type bottom plate ligature bed-jig 1's quantity is five.
The split type transport vechicle 3, split type transport vechicle 3 comprises a plurality of liftable and the transport unit 301 of mutual communication, and transport unit 301 alternates to be arranged in a plurality of split type bottom plate ligature bed-jig 1, can make up each other and carry out the transportation of case roof beam reinforcing bar part 5.
In this embodiment, the transporting unit 301 includes a frame 3013, a steering device 3012 fixedly connected to four corners of the bottom of the frame 3013, an automatic lifting suspension device 3011 disposed at the bottom of the steering device 3012, a hydraulic traveling wheel set 3010 disposed at the bottom of the automatic lifting suspension device 3011, and a binding plate 3014 disposed at the top of the frame 3013.
Wherein, the ligature board 3014 passes through the bolt fastening on frame 3013, can carry out quick replacement according to the reinforcement part structure of equidimension.
In this embodiment, the steering device 3012 is composed of a steering motor and a steering speed reducer, wherein an output shaft of the steering motor is connected with an input end of the steering speed reducer, and an output end of the steering speed reducer is fixedly connected with a top end of the automatic lifting suspension device 3011, so that the automatic lifting suspension device 3011 and the hydraulic traveling wheel set 3010 rotate 360 ° around the output end of the steering speed reducer, and in addition, a driving actuator of the hydraulic traveling wheel set 3010 is a hydraulic motor.
It should be noted that, the width of the transport unit 301 is wider than that of the split type bottom plate binding jig 1, and the hydraulic traveling wheel groups 3010 on two sides of the transport unit are located outside two sides of the split type bottom plate binding jig 1, so that the transport unit is prevented from being interfered by the split type bottom plate binding jig 1 and cannot be spanned.
In addition, the frame 3013 is a frame structure formed by welding a bottom plate and rectangular steel pipes, a storage battery 7 for supplying power, a hydraulic station 8 for providing kinetic energy, an inclination sensor 9 for monitoring balance and a GPS positioning device 11 for positioning are arranged on the frame 3013, and laser ranging sensors 10 for measuring the distance are fixedly arranged at the central positions of the front and rear side beams of the frame 3013.
The storage battery 7 is electrically connected with the hydraulic station 8, the inclination angle sensor 9, the GPS positioning device 11, the laser ranging sensor 10 and the steering device 3012, and the hydraulic station 8 is in transmission connection with the hydraulic traveling wheel set 3010 and the automatic lifting suspension device 3011.
The battery 7, the hydraulic station 8, the tilt sensor 9, the GPS positioning device 11, the laser ranging sensor 10, and the steering device 3012 are electrically connected to a controller, respectively, and the controller receives signals and controls the operations of the respective actuators.
When the leveling control system is used, based on the inclination angle data of the inclination angle sensor 9, the control system can convert the inclination angle data into the strokes of the hydraulic cylinders arranged in the respective movable lifting suspension devices 3011, and finally the leveling function of the modular vehicle is realized by controlling the strokes of the hydraulic cylinders, so that the leveling control system is a leveling control system; the position of each transport unit 301 can be positioned based on the built-in GPS positioning device 11, so that on one hand, the self-walking function of the individual transport units 301 can be realized, and on the other hand, when the multiple transport units 301 perform cooperative operation, certain feedback and control functions can be played for cooperative control of each transport unit 301; based on the laser ranging sensors 10 provided at the central positions of the front and rear beams of the transport unit 301, the transport unit 301 can be used to detect and control the distance between the adjacent transport units 301.
The automatic lifting suspension device 3011 comprises a connecting plate fixedly connected with a steering shaft of the steering device 3012, connecting pieces with two ends respectively hinged with the connecting plate and the hydraulic traveling wheel set 3010, and hydraulic cylinders hinged in the connecting pieces and with output ends hinged with the hydraulic traveling wheel set 3010, wherein the hydraulic cylinders stretch under the control of the hydraulic station 8, so that the height of the frame 3013 is adjusted.
The box girder steel bar part 5 is arranged at the top of the split type transport vehicle 3 and the split type bottom plate binding jig frame 1.
And the lifting appliance 6 is fixedly arranged at the top of the box girder reinforced bar part 5 and is used for lifting the box girder reinforced bar part 5.
The cantilever simply supported bridge girder erection machine 4 is arranged on a preset installation station of the box girder reinforced bar part 5.
In this embodiment, the simply supported part of the cantilever simply supported bridge girder erection machine 4 occupies the length of a span of the cast-in-situ span, and a cantilever is suspended at the left end, and the cantilever simply supported bridge girder erection machine 4 includes a bearing leg 401, a spandrel girder 402 fixed on the bearing leg 401, and a plurality of mobile cranes 403 movably suspended on the spandrel girder 402.
Example 2
Further described in connection with example 1, as shown in the structure of fig. 16-24, a method for transporting a box girder reinforcement section for a bridge deck, the method comprising:
s1, binding a box girder steel bar part 5, namely lowering the height of a split type transport vehicle 3 to be the same as the height of a split type bottom plate binding jig frame 1, binding the box girder steel bar part 5 in a jig frame formed by the split type bottom plate binding jig frame 1, a movable web plate binding jig frame 2 and the split type transport vehicle 3, and uniformly installing a plurality of lifting appliances 6 on the top of the box girder steel bar part 5;
s2, carrying out transportation lifting, namely respectively moving the movable web binding jig frames 2 on two sides outwards, then lifting the split type transport vehicle 3 to the highest state, integrally supporting the box girder reinforced bar part 5, wherein the height of the split type transport vehicle 3 is higher than the upper surface of the split type bottom plate binding jig frame 1, and keeping the heights of the transport units 301 consistent in each stage of the supporting process;
s3, transporting the box girder reinforced bar products 5, wherein the split type transport vehicle 3 carries the box girder reinforced bar products 5 to cross the split type bottom plate binding jig frame 1 and transport to a site installation station through a binding station, in the process, the GPS positioning device 11 is used for carrying out automatic walking control and rough positioning control on each transport unit 301, on the other hand, the laser ranging sensor 10 is used for detecting the real-time distance between each transport unit 301 so as to control the relative position of each transport unit 301, in addition, in the transport process, the inclination angle sensor 9 on each transport unit 301 is used for carrying out real-time detection on the posture of the transport unit 301 and carrying out real-time leveling through the automatic lifting suspension device 3011, so that the upper surface of the transport unit 301 always keeps a horizontal state;
s4, hoisting the box girder reinforced bar part 5, hoisting a first hoisting tool 6 at the forefront end by using a mobile crane 403 closest to the installation station after the front end of the box girder reinforced bar part 5 reaches the field installation station, then lowering the first transport unit 301 at the forefront end to the lowest state, moving the first transport unit to the forefront end of the split type transport vehicle 3 from the side surface of the box girder reinforced bar part 5, then moving the other transport units 301 of the split type transport vehicle 3 forwards, and synchronously moving the mobile crane 403 connected with the hoisting tool 6 forwards, wherein the speeds of the split type transport vehicle 3 and the mobile crane 403 are kept equal in the process;
s5, repeating the step S4, so that the mobile cranes 403 gradually hoist the corresponding lifting appliances 6, thereby feeding the box girder reinforced bar parts 5 to the cantilever simple-support type bridge girder erection machine 4, then completing the hoisting work of the box girder reinforced bar parts 5 through the cantilever simple-support type bridge girder erection machine 4, simultaneously, after completing the work, recombining the box girder reinforced bar parts 5 into the split type transport vehicle 3 after each transport unit 301 is completed, returning to the binding station, and when reaching the binding station, the split type transport vehicle 3 needs to be lifted to the highest state, then spanning the split type bottom plate binding jig frame 1 one by one to return to the original position, then being lowered to the lowest state to the same height as the split type bottom plate binding jig frame 1, and finally moving back to the movable web binding jig frame 2 to bind the reinforced bar parts of the next box girder;
s6, repeating the steps S1-S5, and continuously completing the transportation and hanging work of the box girder reinforced bar part 5.
In the preferred scheme, if one binding station supplies the site station of two box girders, the split type transport vehicle 3 can rotate the hydraulic traveling wheel set 3010 by 90 degrees through the steering device 3012, use the transverse traveling function, add the content of traveling to the other span in the step S3, and the rest steps are unchanged.
Example 3
As further described in connection with embodiment 1, as shown in the structure of fig. 10-15, the lifting appliance 6 comprises a cross beam 601 fixed on the top of the box girder steel part 5, a lifting beam 602 positioned on the top of the cross beam 601, a boom 604 arranged on the bottom of the lifting beam 602 and capable of extending and retracting through the cross beam 601, and a tightening cylinder 603 arranged on the bottom of the lifting beam 602 with the output shaft facing the cross beam 601.
In this embodiment, the number of the hanging rods 604 is four, and it should be noted that the length of the hanging rods 604 can be adjusted as required.
In a preferred solution, a plurality of vertical perforations 6011 for passing through the boom 604 and transverse perforations 6013 for fixing with the box girder steel bar part 5 are provided on the cross beam 601, the number of the vertical perforations 6011 is adapted to the number of the boom 604, the diameter of the vertical perforations 6011 is at least two times larger than that of the boom 604, a spacing laser range finder 6012 is fixedly provided on the side surface of the cross beam 601 for measuring the spacing between adjacent cross beams 601, a lifting lug 6020 is fixedly provided at the center of the top of the lifting beam 602, the boom 604 is connected with the lifting beam 602 through a universal joint 606, and the universal joint 606 is rotatably connected with the lifting beam 602, thereby being convenient for small-amplitude adjustment of the downward inserting angle of the boom 604, avoiding failing to pass through the box girder steel bar part 5, and a self-adaptive anchor claw 605 is provided at the bottom of the boom 604;
the bottom of the lifting beam 602 is fixedly provided with a rotating seat 6021, a T-shaped rotating groove 6022 which is opened downwards is arranged in the rotating seat 6021, and the top of the universal joint 606 is fixedly provided with a T-shaped rotating block 6061 which is positioned in the T-shaped rotating groove 6022, so that the top end of the universal joint 606 can rotate under the lifting beam 602.
In the preferred scheme, self-adaptation fluke 605 includes thin connecting rod 6051, thick connecting rod 6052 and base 6053 of rigid coupling in proper order in jib 604 bottom, the diameter of thin connecting rod 6051 is less than thick connecting rod 6052 and jib 604, the outside movable sleeve of thin connecting rod 6051 is equipped with expansion ring 6055 and tension spring 6054, the internal diameter of expansion ring 6055 and tension spring 6054 is less than thick connecting rod 6052 and jib 604, tension spring 6054 is located between expansion ring 6055 and the jib 604, the top of base 6053 articulates there is a plurality of fluke 6057, the outside of expansion ring 6055 articulates there is the connecting rod 6056 the same with fluke 6057 quantity, the other end of connecting rod 6056 articulates with corresponding fluke 6057, in this embodiment, the quantity of connecting rod 6056 and fluke 6057 is five.
In use, when the fluke 6057 is subjected to downward force, the telescopic ring 6055 is pushed by the connecting rod 6056 to squeeze the tension spring 6054, so that the effect of contracting the fluke 6057 is achieved, the fluke 6057 conveniently passes through the vertical perforation 6011 and the hole in the box girder reinforced bar part 5, and after passing through the hole, the fluke is rapidly opened by the tension of the tension spring 6054, and meanwhile, when the upper side of the fluke 6057 is contacted with the box girder reinforced bar part 5, the fluke can be rapidly anchored.
The specific installation method comprises the following steps:
s1, mounting cross beams 601, sequentially mounting the cross beams 601 forwards from the rear end of a box girder reinforced part 5, detecting the distance between the cross beams 601 through a distance laser range finder 6012, ensuring the mounting accuracy of the cross beams 601, and binding the cross beams 601 on the top of the box girder reinforced part 5 through transverse perforation 6013 during mounting;
s2, installing the lifting beam 602 and the hanging rod 604, moving the lifting beam 602 to the top of the cross beam 601, enabling the hanging rod 604 to pass through the corresponding vertical through hole 6011, enabling the self-adaptive fluke 605 to be contracted by pressure from below when passing through the vertical through hole 6011 and the box beam steel bar part 5, and enabling the angle of the hanging rod 604 to be properly adjusted through the universal joint 606 which is rotatably connected when passing through the box beam steel bar part 5;
s3, tensioning the self-adaptive fluke 605, starting the tensioning cylinder 603, enabling the lifting beam 602 to drive the suspender 604 and the self-adaptive fluke 605 to lift up, and enabling the fluke 6057 to be anchored with the bottom of the box beam steel bar part 5.
The above embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (10)
1. Bridge floor is with case roof beam reinforcing bar portion article conveyer, characterized by includes:
the box girder steel bar part product forming jig frame is arranged on a poured box girder and comprises a plurality of split type bottom plate binding jig frames (1) which are uniformly distributed and movable web binding jig frames (2) which are positioned at two sides of the split type bottom plate binding jig frames (1);
the split type transport vehicle (3), the split type transport vehicle (3) is composed of a plurality of transport units (301) which can be lifted and communicated with each other, and the transport units (301) are arranged in a plurality of split type bottom plate binding jig frames (1) in a penetrating mode;
the box girder reinforced bar part (5) is arranged at the top of the split type transport vehicle (3) and the split type bottom plate binding jig frame (1);
the lifting appliance (6) is fixedly arranged at the top of the box girder reinforced bar part (5) and is used for lifting the box girder reinforced bar part (5);
the cantilever simply supported bridge girder erection machine (4) is arranged on a preset installation station of the box girder reinforced bar part (5).
2. The box girder reinforcement part transportation device for a bridge deck according to claim 1, wherein: the movable web binding jig (2) comprises a web jig structure (202) and universal wheels (201) arranged at the bottom of the web jig structure (202).
3. The box girder reinforcement part transportation device for a bridge deck according to claim 1, wherein: the transportation unit (301) comprises a frame (3013), a steering device (3012) fixedly connected to four corners at the bottom of the frame (3013), an automatic lifting suspension device (3011) arranged at the bottom of the steering device (3012), a hydraulic traveling wheel set (3010) arranged at the bottom of the automatic lifting suspension device (3011), and a binding plate (3014) arranged at the top of the frame (3013), wherein a storage battery (7) for supplying power, a hydraulic station (8) for providing kinetic energy, an inclination angle sensor (9) for monitoring balance, a laser ranging sensor (10) for measuring distance and a GPS positioning device (11) for positioning are arranged on the frame (3013);
the automatic lifting suspension device (3011) comprises a connecting plate fixedly connected with a steering shaft of the steering device (3012), connecting pieces with two ends respectively hinged with the connecting plate and the hydraulic traveling wheel set (3010), and hydraulic cylinders hinged in the connecting pieces and with output ends hinged with the hydraulic traveling wheel set (3010).
4. The box girder reinforcement part transportation device for a bridge deck according to claim 1, wherein: the cantilever simply supported bridge girder erection machine (4) comprises a bearing supporting leg (401), a spandrel girder (402) arranged on the bearing supporting leg (401) and a plurality of mobile cranes (403) hung on the spandrel girder (402).
5. The box girder steel reinforcement part transportation device for a bridge deck according to any one of claims 1 to 4, characterized in that: the lifting appliance (6) comprises a cross beam (601) fixedly arranged at the top of the box girder reinforced bar part (5), a lifting beam (602) arranged at the top of the cross beam (601), a suspender (604) arranged at the bottom of the lifting beam (602) and capable of penetrating through the cross beam (601) in a telescopic manner, and a tightening oil cylinder (603) arranged at the bottom of the lifting beam (602) and with an output shaft facing the cross beam (601).
6. The box girder reinforcement part transportation device for a bridge deck according to claim 5, wherein: a plurality of vertical through holes (6011) for a hanging rod (604) to pass through and transverse through holes (6013) for fixing a box girder reinforced part (5) are formed in the cross beam (601), a spacing laser range finder (6012) is arranged on the side face of the cross beam (601), a lifting lug (6020) is arranged at the center of the top of the lifting beam (602), the hanging rod (604) is connected with the lifting beam (602) through a universal joint (606), the universal joint (606) is rotatably connected with the lifting beam (602), and a self-adaptive anchor claw (605) is arranged at the bottom of the hanging rod (604);
the bottom of lift roof beam (602) is provided with roating seat (6021), is provided with T shape rotary groove (6022) of downwardly opening in roating seat (6021), and T shape rotary block (6061) that are arranged in T shape rotary groove (6022) are set firmly at the top of universal joint (606).
7. The deck girder steel reinforcement part transportation device for a bridge deck according to claim 6, wherein: the self-adaptive fluke (605) comprises a fine connecting rod (6051), a coarse connecting rod (6052) and a base (6053) which are fixedly connected to the bottom end of a hanging rod (604) in sequence, the diameter of the fine connecting rod (6051) is smaller than that of the coarse connecting rod (6052) and the hanging rod (604), a telescopic ring (6055) and a tension spring (6054) are movably sleeved outside the fine connecting rod (6051), the tension spring (6054) is located between the telescopic ring (6055) and the hanging rod (604), a plurality of flukes (6057) are hinged to the top of the base (6053), connecting rods (6056) with the same quantity as the flukes (6057) are hinged to the outer portion of the telescopic ring (6055), and the other end of the connecting rod (6056) is hinged to the corresponding flukes (6057).
8. The method for transporting a box girder reinforcement part for a bridge deck according to any one of claims 1 to 7, characterized by: the method comprises the following steps:
s1, binding a box girder steel bar part (5), reducing the height of a split type transport vehicle (3) to be the same as the height of a split type bottom plate binding jig frame (1), binding the box girder steel bar part (5) in the jig frame formed by the split type bottom plate binding jig frame (1), a movable web plate binding jig frame (2) and the split type transport vehicle (3), and uniformly installing a plurality of lifting appliances (6) on the top of the box girder steel bar part (5);
s2, carrying out transportation lifting, namely respectively moving the movable web binding jig frames (2) at two sides outwards, then lifting the split type transport vehicle (3) to the highest state, integrally supporting the box girder reinforced bar part (5), wherein the height of the split type transport vehicle (3) is higher than the upper surface of the split type bottom plate binding jig frame (1), and keeping the heights of the transport units (301) consistent at each stage of the supporting process;
s3, transporting the box girder reinforced bar parts (5), wherein the split type transport vehicle (3) carries the box girder reinforced bar parts (5) to span the split type bottom plate binding jig frame (1) and is transported to a site installation station by the binding station, in the process, the GPS positioning device (11) is used for carrying out automatic walking control and rough positioning control on each transport unit (301), on the other hand, the laser ranging sensor (10) is used for detecting the real-time distance between each transport unit (301) so as to control the relative position of each transport unit (301), and in the transport process, the inclination angle sensor (9) on each transport unit (301) is used for carrying out real-time detection on the posture of the transport unit (301) and carrying out real-time leveling through the automatic lifting suspension device (3011), so that the upper surface of the transport unit (301) is always kept in a horizontal state;
s4, hoisting a box girder reinforced bar part (5), hoisting a first hoisting tool (6) at the forefront end by using a mobile crane (403) closest to a mounting station after the front end of the box girder reinforced bar part (5) reaches the field mounting station, then lowering a first transport unit (301) at the forefront end to a lowest state, moving the first hoisting tool from the side surface of the box girder reinforced bar part (5) to the endmost end of a split transport vehicle (3), then moving the rest transport units (301) of the split transport vehicle (3) forwards, and synchronously moving a mobile crane (403) connected with the hoisting tool (6) forwards, wherein the speeds of the split transport vehicle (3) and the mobile crane (403) are kept equal in the process;
s5, repeating the step S4, so that the mobile cranes (403) hoist the corresponding lifting appliance (6) step by step, thereby feeding the box girder reinforced bar parts (5) to the cantilever simply supported bridge girder erection machine (4), then completing the hoisting work of the box girder reinforced bar parts (5) through the cantilever simply supported bridge girder erection machine (4), simultaneously, after each transport unit (301) completes the work, recombining the box girder reinforced bar parts (5) into a split type transport vehicle (3), returning to a binding station, and when reaching the binding station, the split type transport vehicle (3) needs to be lifted to the highest state, then spanning the split type bottom plate binding jig frame (1) one by one, returning to the original position, then lowering to the lowest state to be the same as the height of the split type bottom plate binding jig frame (1), and finally moving back to the movable web binding jig frame (2) to bind the reinforced bar parts of the next box girder;
s6, repeating the steps S1-S5, and continuously completing the transportation and hanging work of the box girder reinforced bar part (5).
9. The box girder reinforcement part transportation device for a bridge deck according to claim 8, wherein: when one binding station is used for supplying the field stations of two box girders, the split type transport vehicle (3) can rotate the hydraulic traveling wheel set (3010) by 90 degrees through the steering device (3012) to use the transverse traveling function, the content of traveling to the other span is added in the step S3, and the rest steps are unchanged.
10. The box girder reinforcement part transportation device for a bridge deck according to claim 8, wherein: the specific installation method of the lifting appliance (6) comprises the following steps:
s1, installing cross beams (601), sequentially installing the cross beams (601) forwards from the rear end of a box girder reinforced part (5), detecting the distance between the cross beams (601) through a distance laser range finder (6012), ensuring the installation accuracy of the cross beams (601), and binding the cross beams (601) on the top of the box girder reinforced part (5) through transverse perforation (6013) during installation;
s2, installing a lifting beam (602) and a hanging rod (604), moving the lifting beam (602) to the top of a cross beam (601), enabling the hanging rod (604) to pass through a corresponding vertical perforation (6011), enabling an adaptive fluke (605) to be contracted by pressure from below when passing through the vertical perforation (6011) and a box beam steel bar part (5), enabling the fluke (6057) to pass through the vertical perforation (6011) and the box beam steel bar part (5), and enabling the angle of the hanging rod (604) to be properly adjusted through a rotatably connected universal joint (606) when passing through the box beam steel bar part (5);
s3, tensioning the self-adaptive fluke (605), starting the tightening oil cylinder (603), enabling the lifting beam (602) to drive the suspender (604) and the self-adaptive fluke (605) to lift up, and enabling the fluke (6057) to be anchored with the bottom of the box beam reinforced bar part (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310442048.7A CN116497706A (en) | 2023-04-23 | 2023-04-23 | Device and method for transporting box girder steel bar parts for bridge deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310442048.7A CN116497706A (en) | 2023-04-23 | 2023-04-23 | Device and method for transporting box girder steel bar parts for bridge deck |
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| Publication Number | Publication Date |
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| CN116497706A true CN116497706A (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310442048.7A Pending CN116497706A (en) | 2023-04-23 | 2023-04-23 | Device and method for transporting box girder steel bar parts for bridge deck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117901254A (en) * | 2024-03-18 | 2024-04-19 | 中铁四局集团第二工程有限公司 | Steel bar transmission system of railway precast box girder |
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2023
- 2023-04-23 CN CN202310442048.7A patent/CN116497706A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117901254A (en) * | 2024-03-18 | 2024-04-19 | 中铁四局集团第二工程有限公司 | Steel bar transmission system of railway precast box girder |
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