CN105332344B - Multifunctional prefabricated highway steel bridge carrying and erecting vehicle - Google Patents
Multifunctional prefabricated highway steel bridge carrying and erecting vehicle Download PDFInfo
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- CN105332344B CN105332344B CN201510737651.3A CN201510737651A CN105332344B CN 105332344 B CN105332344 B CN 105332344B CN 201510737651 A CN201510737651 A CN 201510737651A CN 105332344 B CN105332344 B CN 105332344B
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Abstract
The invention relates to a multifunctional prefabricated highway steel bridge carrying and erecting vehicle, which comprises a storage rack, a handle, a front wheel and a rear wheel, wherein a front guide roller flap gate and side guide roller flap gates are respectively arranged on the storage rack through hinges; a front guide roller is arranged on the front guide roller flap gate through a front guide roller bearing seat; side guide rollers are arranged on the side guide roller flap gates through side guide roller bearing seats; vertical guide rollers vertical to the side guide roller flap gates are also arranged on the side guide roller flap gates; the front wheel adopts a crawler-type front wheel structure. The multifunctional prefabricated highway steel bridge carrying and erecting vehicle meets the requirement of prefabricated highway steel bridge engineer operation accurate position adjustment, is simple to operate, easy and labor-saving, high-efficient and quick, reliable to work, and adaptable to various geographical conditions, prevents the wheels from being mired, and is simple in structure, small in size, low in cost and complete in function.
Description
Technical field
The invention belongs to engineer operation equipment technical field, and in particular to a kind of assembly type steel bridge on highway is also known as Bailey bridge
Carry and set up car.Can be widely used for rush construction repairing and military upper ancillary works soldier to assembly type steel bridge on highway in earthquake relief work
Science of bridge building operation, and various goods and materials are carried out by the storage in weak soil area and transport.
Background technology
Engineer operation equipment carries out assembly type steel bridge on highway rush construction repairing in China, the road is clear and logistics support in rise
Very important effect.Assembly type steel bridge on highway, is born by Ministry of Communications for one of the material for preparedness against war of official reserves as Ministry of Communications
Duty is stored in each provinces, municipalities and autonomous regions traffic department and Ministry of Communications respectively respectively directly under units concerned.No matter wartime highway bridge is robbed
Repair, rush construction, overcome rivers obstacle, still antidetonation, the flood-fighting disaster relief, traffic support are all significant at ordinary times.Additionally,
The for example original bridge rush-repair of civilian construction field is reinforced, newly building bridge and various engineering constructions also extensively apply assembled highway steel
Bridge.Particularly in recent years, there is application in the natural disasters such as Wenchuan, Yushu earthquake and Zhouqu County's mud-rock flow, in military field,
Can be used for the science of bridge building operation of ancillary works soldier, improve efficiency, strengthen the mobility of army.But existing assembled highway
Steel bridge its erection method predominantly cantilever releases method and lift-on/lift-off system, and cantilever release method operating personnel is more, high labor intensive, consumes and makees
The more muscle power of industry handss, the time expended in transport and connecting elements are longer；Lift-on/lift-off system must adopt the big of bulky heaviness
Type frame sets hanging device and carries out operation, and its mobility is poor, and engineering cost is high, particularly by set up place limitation affected greatly, with
Cause many gully river valleys install and use.Simultaneously because the truss and crossbeam of steel bridge component are steel material, volume and weight
It is all very big, and during steel bridge sets up assembly, need accurately position to transfer and dock, but use at present these are large-scale
Set up the needs that hanging device cannot fully meet such engineer operation.
In assembly type steel bridge on highway erection process, it is necessary first to truss, crossbeam etc. are moved to barrow by manpower
If on car, then being docked, as truss, crossbeam etc. are rigidity friction with the friction set up between car rack is carried, rub
Power is excessive, causes mobile difficulty, wastes time and energy, and task difficulty is big.Again will be on the weak soils such as silt ground due to carrying erection Che Jingchang
Band operation, causes wheel to be absorbed in deeper, it is impossible to normal operating.These problems all directly affect the smooth of steel construction piece butt-joint operation
Complete the construction speed with whole assembly type steel bridge on highway.
Additionally, packing up front guide roller returning face plate and side steering roll returning face plate, carry erection car and goods and materials are can be additionally used in by mud
Its traffic capacity by rugged section can be also improved in muddy weak soil area, lift cylinder.
The content of the invention
The technical problem to be solved is：Above-mentioned prior art is solved the problems, such as, and a kind of many work(are provided
Energy assembly type steel bridge on highway is carried and sets up car, meets the requirement of assembly type steel bridge on highway engineer operation elaborate position adjustment, operation
Simply, light laborsaving, efficient quick, reliable operation, and adapt to various geographical conditions, it is to avoid wheel is absorbed in muddy weak soil
In, whole carrying sets up bassinet structure simply, and small volume, low cost are multiple functional.
The technical solution used in the present invention is：
A kind of multifunctional fabricated highway steel bridge is carried and sets up car, including shelf, handle, front wheels and rear wheels；The shelf
Upper to install front guide roller returning face plate and side steering roll returning face plate by hinge respectively, front guide roller is pacified by front guide roller bearing block
It is mounted on front guide roller returning face plate, the side steering roll returning face plate is two pieces, and side steering roll is installed by side steering roll bearing block
On side steering roll returning face plate, the front guide roller is orthogonal with side steering roll axis direction；Side steering roll axis and shelf
Side is parallel；The setting guide roller vertical with side steering roll returning face plate is also equipped with side steering roll returning face plate；The front-wheel
Using crawler type fore wheel structure.
In above-mentioned technical proposal, the front guide roller returning face plate and side steering roll returning face plate can be downwardly turned over, and make barrow
If car rack face keeps smooth, its adaptability is improve, be not only adapted to assembly type steel bridge on highway, be also applied for removing for other goods and materials
Fortune and storage, and suitable for the operation in weak soil area.
In above-mentioned technical proposal, described front guide roller and side steering roll are parallel with respective returning face plate side, and turn over
Flap in working order when with plane on shelf on coplanar, returning face plate packs up the bottom for being fixed on shelf in off working state
Face.
In above-mentioned technical proposal, described erects the side that guide roller is distributed in side steering roll, and is higher than side steering roll
Level height, erect guide roller have two groups, two per group, two setting guide rollers spacing be equal or slightly larger than steel bridge truss
Or the width of crossbeam.
In above-mentioned technical proposal, described setting guide roller includes mounting seat, bearing, axle sleeve and snap ring, and mounting seat is fixed
On side steering roll returning face plate, mounting seat top is shouldered shaft, and bearing is installed on shouldered shaft, and axle sleeve is fixed on bearing, bearing
Upper end is provided with snap ring with mounting seat upper bands shoulder shaft connection place.
In above-mentioned technical proposal, the crawler type front-wheel includes big belt wheel, small pulley, former, crawler belt and support；Big belt wheel
There are two, before and after being distributed in, big belt wheel is coupled with little axle by bearing fit, and little axle two ends are by fastening screw and former end
Head is fixedly connected；Small pulley is coupled with the little axle of band shoulder by bearing fit, and the little axle of band shoulder passes through in the middle part of shaft hole matching and former
Couple with pedestal lower end simultaneously；Crawler belt is sleeved in two big belt wheels, and big belt wheel, small pulley are engaged with crawler belt, Huo Zhe great
Belt wheel, small pulley make circular shaft, and big belt wheel, small pulley connect driven pedrail by frictional force；The frame upper passes through pin
Axle one is coupled with the connecting rod for carrying erection car, and frame upper is also coupled with shelf otic placode by bearing pin two.
In above-mentioned technical proposal, on the outside of described big belt wheel, small pulley, backplate is provided with, it is to avoid crawler belt is interfered with support.
In above-mentioned technical proposal, riser on the shelf, is fixed with, on riser, is fixed with top board, riser passes through left and right two
A connection sheets are connected with cylinder pedestal, and oil cylinder includes big plunger and small plunger, and big plunger is connected with top board, small plunger top and handss
Handle bottom is connected, and cylinder pedestal lower end is provided with trailing wheel, and pedal is connected with riser or top board by spring.
In above-mentioned technical proposal, described cylinder pedestal is hinged with A connection sheets, and A connection sheets pass through rotating shaft, B connection sheets again
It is connected transmission with the connecting rod, rotating shaft is arranged on riser.
In above-mentioned technical proposal, described pedal is steel-frame structure, and it includes two lever arms and front bearing bar with after
Bearing bar, fulcrum and the shelf rear end of lever arm are hinged.
Operation principle and advantageous effect：
Assembly type steel bridge on highway is also known as Bailey bridge, no matter in the repairing of wartime highway bridge, rush construction, overcome rivers obstacle, also
It is the irreplaceable effect that all plays in antidetonation flood fighting at ordinary times, rescue and relief work, traffic support.Build assembly type steel bridge on highway
When, it is necessary first to steelframe is moved to carrying on erection car by manpower, then carry out steelframe docking, during docking, in addition it is also necessary to people
Dynamic adjustment is pushed, and truss, crossbeam etc. to carrying is moved in manpower and is set up on car, and when on erection car is carried, passage is adjusted,
Due to shelf surface and the friction of steelframe bottom surface rigidity, friction dynamics are big, mobile difficult, waste time and energy, have a strong impact on steelframe docking
Working performance.In order to improve this situation, it is perpendicular that the present invention is additionally arranged front guide roller, two side steering rolls and two groups on shelf
Vertical guide roller；So, steel structure truss longitudinally move to carrying set up car on docked when, steel structure truss rest on it is leading to
On roller, as front guide roller two end axles are mounted on bearing, roll very easily, thus steel structure truss can be easy to
Quickly propel in place, and setting is moved to by erection car is carried, docked.When steel truss or crossbeam laterally move to barrow
If docked on car, steel structure truss or crossbeam are laterally rested on side steering roll, and the two end axles of side steering roll are also to install
On bearing, roll very easily, in order to laterally dock precisely in place, the present invention has been respectively mounted one group by two side steering rolls
Guide roller is erect, the spacing for erectting guide roller is equal to or slightly greater than the width of steel truss or crossbeam, thus setting guide roller can be very
The transverse shifting track of good specification and guarantee steel structure truss or crossbeam, prevents skew, it is ensured that truss or crossbeam docking
Precisely, rapid abutting joint.
The axle sleeve for erectting guide roller is mounted on bearings, rolls very easily, convenient adjustment steel structure truss or crossbeam
Direction, angle, spacing.Above-mentioned front guide roller, side steering roll, setting guide roller are installed on returning face plate, during work, returning face plate
Upward, front guide roller, side steering roll, erect guide roller on shelf plane work, during off working state, returning face plate down,
Positioned at shelf bottom surface, the smooth of plane on shelf is not affected, is also beneficial to protect guide roller.In earthquake relief work and military training
In, field geology orographic condition is poor, and carrying erection dolly can not possibly all in flat cement flooring operation, but Jing often will be in mud
The work of the weak soils such as muddy, sandy soil ground, and steel truss and crossbeam volume and weight are all very big, collapsible wheel obtains very deep, causes carrying to set up
Car cannot normal work, assembly type steel bridge on highway builds and is obstructed, and has a strong impact on earthquake relief work and military training.The present invention will be carried
Set up Herba Plantaginis wheel and be designed to crawler type fore wheel structure, solve this problem well.The crawler type front-wheel of the present invention is included
Front big belt wheel, rear big belt wheel, middle part small pulley and crawler belt, big with contact area of ground, wheel will not be absorbed in mud on the inside of crawler belt
In sand ground.Additionally, crawler type front-wheel its frame upper of the present invention is connected with connecting rod and shelf otic placode by bearing pin respectively, it is this
Structure design, not only enables crawler type front-wheel bear the load on shelf well, and crawler type front-wheel is set up car by carrying
The link transmission control of original lifting mechanism, it is ensured that shelf are in poised state, shelf top all the time in whole mechanism lifting process
Portion is identical at an arbitrary position to ground level；Again due to carrying the control for setting up car direction mainly by trailing wheel（Universal wheel）Control,
Therefore the carrying after improving sets up car landform adaptability and greatly increases, but the motility of its divertical motion is not reduced.
The present invention applies SolidWorks Three-dimensional Design Software, is that multifunctional fabricated highway steel bridge carries the three of erection car
Dimension structure design provides condition, and its Assembly design technology can make designer in design elements, blank, catch part
Between design relation, make model more practical.Its engineering drawing drawing techniques, can obtain carrying the detailed chi for setting up car threedimensional model
It is very little, it is that manufacture in kind is provided convenience.ANSYS softwares with power can be carried out to the structure of equipment threedimensional model
Comprehensive analysis of stress, deformation, stability and various dynamic traits under the conditions of various external loads, and complete its finite element fraction
Analysis, verifies its bearing capacity.
Description of the drawings
Fig. 1 is present configuration front view；
Fig. 2 is present configuration top view；
Fig. 3 is setting guide roller longitudinal sectional view；
Fig. 4 is crawler type fore wheel structure front view；
Left views of the Fig. 5 for Fig. 4；
Fig. 6 is crawler type front-wheel generalized section；
Fig. 7 installs upward view for the frame upper of crawler type front-wheel.
Description of reference numerals：
1- handles, 2- shelf, 3- crawler type front-wheels, 4- trailing wheels, 5- risers, 6- top boards, 7- oil cylinders, 8- pedals, 9- levers
Arm, bearing bar before 10-, 11- rear load-bearing bars, 12- front guide rollers, 13- front guide roller returning face plates, 14- side steering rolls, 15- are led side
To roller returning face plate, 16- erects guide roller, 17- mounting seats, 18- bearings, 19- axle sleeves, 20- snap rings, 21- bearing pins one, 22- bearing pins
The little axle of two, 23-, 24- big belt wheels, 25- small pulleys, 26- formers, 27- crawler belts, the little axle of 28- band shoulders, 29- supports, 30- front axles
Hold, 31- connecting rods, 32- shelf otic placodes.
Specific embodiment
Referring to Fig. 1 ~ Fig. 7, the multifunctional fabricated highway steel bridge of the present invention is carried and sets up car, including shelf, handle, front-wheel
And trailing wheel；Front guide roller returning face plate and side steering roll returning face plate are installed by hinge respectively on the shelf, front guide roller passes through
Front guide roller bearing block is arranged on front guide roller returning face plate, and the side steering roll returning face plate is two pieces, and side steering roll passes through side
It is oriented to roll bearing seat to be arranged on side steering roll returning face plate, the front guide roller is orthogonal with side steering roll axis direction；Side
It is oriented to roll axis parallel with shelf side；The setting vertical with side steering roll returning face plate is also equipped with side steering roll returning face plate
Guide roller；The front-wheel adopts crawler type fore wheel structure.
Above-mentioned front guide roller and side steering roll are parallel with respective returning face plate side, and returning face plate in working order when with
On shelf, on coplanar, returning face plate packs up the bottom surface for being fixed on shelf to plane in off working state.
Above-mentioned setting guide roller is distributed in the side of side steering roll, and higher than the level height of side steering roll, setting is led
There are two groups to roller, two per group, the spacing of two setting guide rollers is equal or slightly larger than the width of steel bridge truss or crossbeam.
Above-mentioned setting guide roller includes mounting seat, bearing, axle sleeve and snap ring, and mounting seat is fixed on side steering roll returning face plate
On, mounting seat top is shouldered shaft, and bearing is installed on shouldered shaft, and axle sleeve is fixed on bearing, bearing upper end and mounting seat top
Shouldered shaft junction is provided with snap ring.
Above-mentioned crawler type front-wheel includes big belt wheel, small pulley, former, crawler belt and support；Big belt wheel has two, before being distributed in
Afterwards, big belt wheel is coupled with little axle by bearing fit, and little axle two ends are fixedly connected with former termination by fastening screw；Small band
Take turns and coupled by bearing fit and the little axle of band shoulder, and the little axle of band shoulder is by joining with pedestal lower end in the middle part of shaft hole matching and former simultaneously
Connect；Crawler belt is sleeved in two big belt wheels, and big belt wheel, small pulley are engaged with crawler belt；The frame upper passes through bearing pin one
Couple with the connecting rod for carrying erection car, frame upper is also coupled with shelf otic placode by bearing pin two.
The concrete structure that above-mentioned big belt wheel, small pulley are engaged with crawler belt has two kinds：One kind is that big belt wheel, small pulley both can be with
Circular shaft is made, is engaged with crawler belt in the presence of frictional force；Another kind is that big belt wheel, small pulley can make toothed shank again, is made
Big belt wheel, small pulley are engaged with crawler belt.
Backplate is additionally provided with the outside of above-mentioned big belt wheel, small pulley, it is to avoid crawler belt is interfered with support.
Riser is fixed with above-mentioned shelf, top board on riser, is fixed with, riser is by the A connection sheets of left and right two and oil cylinder bottom
Seat connection, oil cylinder include big plunger and small plunger, and big plunger is connected with top board, and small plunger top is connected with handle bottom, oil cylinder
Base lower end is provided with trailing wheel, and pedal is connected with riser or top board by spring.
Above-mentioned cylinder pedestal is hinged with A connection sheets, and A connection sheets are connected biography with the connecting rod by rotating shaft, B connection sheets again
Dynamic, rotating shaft is arranged on riser.
Above-mentioned pedal is steel-frame structure, and it includes two lever arms and front bearing bar and rear load-bearing bar, lever arm
Point is hinged with shelf rear end.
Operation principle：
Carry erection car to can be used for assembly type steel bridge on highway all components from storage storehouse outbound, and transport after unloading
Prepare region to operation, prepare region from operation and be transported to erection ground, and realize the quick and precisely splicing of truss, crossbeam.
Prepare region in operation, carry the valve piston cylinder for car being set up using hand lever starting hydraulic system, by hydraulic drive,
Big piston, jack-up shelf is driven to adjust to proper height（In lifting process, rim brake is located at the next working condition, hydraulic system
Relief valve cuts out locking, and rear hydraulic locking cylinder, realizes mechanical energy to hydraulic pressure in hydraulic system in packing state, overall process in place
The conversion of mechanical energy is arrived again can）, during transport, operator is pushed by handle, traction transport sets up car, and using handle
The direction of the main directive wheel in control bottom is rotated, so as to control body movement direction.Truss both can be by standing purlin（Truss is erected, left
Right both sides manually buttress）Transport, also can be by falling purlin（Truss fell, and buttressed without the need for personnel）Transport, carry erection car and can also transport
Send all components of bridge such as crossbeam, flat rolling, bridge plate.
Ground is being set up, during the transport of falling purlin, is needing truss class to erect truss, and splicing is being rolled on flat（When vertical purlin is transported, can be straight
Connect splicing）, carry erection car and can realize that truss is significantly adjusted up and down by brake unit and handle（Rim brake position during decline
In upper working condition, the relief valve of hydraulic system is opened, hydraulic oil backflow, hydraulic cylinder pressure relief, until shelf are up to predetermined height
Degree）, can also pass through the cooperation of pedal and front guide roller, the fine setting up and down of truss is realized using lever principle, meanwhile, by leading
The WidFin of truss is realized to roller（Cylindrical contact face is relatively smooth, reduces the coefficient of friction with truss, is conducive to truss
Move left and right）.In whole splicing, carry erection car and should all start brake gear, fixed car body.Truss class squeezes into rapidly
Pin.Then withdraw from carrying and set up car, continue to carry.When removing receipts truss, carry and set up car insertion truss bottom, by hydraulic cylinder
Shelf are lifted, front guide roller and pedal front end is contacted with truss, then light pedal, finely tunes truss, now get pin, saves
Shi Shengli, finely tunes pedal again and gets second pin after getting a pin.Due to carrying the supporting role first for setting up car
Pin is got and is relatively easy to, and lifts truss without the need for people when second pin is played, it is only necessary to which personnel buttress truss on erection car is carried
Pin can be got, the truss that can fall after truss departs from front and back is placed on carrying erection car and withdraws.
The erection of crossbeam and remove receipts both can separate unit carry and set up car operation, also can two carry and set up cars simultaneously operations, make
Returning face plate is first overturn before industry to working condition, during operation, suitable operating type can be selected according to landform, operating personnel.Set up horizontal
Liang Shi, such as single carrying set up car operation, and operation first is carried and sets up car and reach stitching position on the outside of truss, and rear cross beam class is by horizontal stroke
Beam is erected on erection car is carried, and be placed in side steering roll two are erect in the middle of guide rollers, make crossbeam lower end be slightly above truss
At the top of peg, crossbeam is pushed, for when the peg hole of crossbeam both sides is close to peg, operation handle reduces shelf, and crossbeam is in weight
Peg and peg hole is made to combine automatically under power effect, it is such as not in place that carrying erection car or left and right optionally can be promoted in front and back to promote horizontal
Beam, makes peg and peg hole combine in place, can withdraw with reference to erection car is carried in place afterwards.When two carryings set up car operation,
Can one be placed on the inside of truss, another is placed on the outside of truss, make crossbeam two carry set up cars setting guide rollers in the middle of
Operation, makes the peg hole of crossbeam be directed at the peg position of truss as far as possible, and crossbeam can first reduce or promoting remove on the inside of truss after in place
Fortune sets up the shelf of car makes peg hole be close to peg, such as needs adjustment, outside to carry erection car and can coordinate adjustment, it is ensured that two after in place
Platform is carried erection car rack and is reduced to minimum point and withdraws.
Remove the time receiving, such as separate unit is carried and sets up car operation, operation first is carried and sets up car in the middle part of crossbeam, makes crossbeam be located at two
Erect in the middle of guide roller, lifting shelf departs from peg and peg hole, then pushes crossbeam laterally, crossbeam is taken off with truss
From；Can be also placed in crossbeam and erect in the middle of guide roller two-by-two, lift goods in operation on the outside of truss when operation is difficult in the middle of the crossbeam
Frame makes to depart from close to the peg and peg hole of carrying erection side, and then lifting opposite side crossbeam makes the peg and bolt of opposite side
Nail departs from, and then pushes crossbeam laterally, crossbeam is departed from truss；When two carryings set up car operation, Ke Yitai is placed in
In the middle part of crossbeam, one is placed in outside, and middle part is carried and sets up car for boist truss and be allowed to and crossbeam disengaging, and outside is carried and set up
Car is engaged with middle part erection car and removes receipts crossbeam, and is carried it to appointed place.
Compared with prior art, beneficial effects of the present invention are：
(1) the crawler type front-wheel of present invention design improves assembly type steel bridge on highway and carries the applicable ability and peace for setting up car
Quan Xing, especially for the weak soil such as seashore, miriness area, and improves the adaptability to adverse weather, can all weather operations, such as
The miriness that rainy day causes, the Athey wheel improve bearing capacity；The ice and snow weather of low temperature severe cold, avoids skidding using Athey wheel,
Improve the suitability and safety of operation.
（2）The guide roller of present invention design is reversible, has expanded and has carried the function of setting up car so as to can not only be used for
Assembly type steel bridge on highway carries the specific purpose tool for setting up, also can be used as the logical of the various equipment goods and materials storage transports such as equipment, goods and materials
Use equipment.
（3）Crawler type front-wheel landform is adaptable, but gait of march is slow, and wheeled front-wheel landform adaptability is poor, but row
Enter speed soon, the present invention can adapt to the operation under various landform by more wheel change, practicality is higher.During transport only
Need 1-2 people to drag handle, reduce troops needed for carrying.The car normal travel speed is 1.0m/s, and running gait of march is reachable
2.0m/s。
（4）Front guide roller replaces original equalizer bar, and truss both can be adjusted left and right in front guide roller, can be adjusted in front and back again
It is whole so that truss splicing is more flexible.
（5）The present invention has larger lifting and improvement to the operation form of original assembly type steel bridge on highway, and work is greatly decreased
Industry personnel, hence it is evident that improve operating speed, significantly reduce personnel's operation intensity.5 people, 1 people operation barrow are needed during erection truss only
If car, 4 people buttress truss, only need 5 people, 1 people operation to carry and set up car when setting up crossbeam, and 4 people push crossbeam.Contrast is original
Operating type, operating personnel reduce 34%, and maximum heavy burden mitigates 50%, and heavy burden operating personnel reduces 75%, and the activity duration of bearing a heavy burden is reduced
83%, heavy burden traveling ultimate range reduces more than 85%.
With the increase of the equipment, operating speed constantly will be accelerated, can multiple stage carry and set up car simultaneously operation, operating type
Method is various, flexible, but operating personnel significantly reduces, operation maximum intensity drop by half in operation process, and operation of bearing a heavy burden
Distance and persistent period greatly shorten, and mobility also strengthens therewith, and when built a bridge longer, its superiority becomes apparent from, with
Operational security also significantly improve.In operation process, set up using itself and remove receipts function, make operation more quick, smart
It is accurate, laborsaving and safe, the insertion of pin, to smash out and can settle at one go, efficiency is significantly improved, and the splicing of crossbeam is received without substantially touching with removing
Hit.And the operation under various landform can adapt to by more wheel change, practicality is higher.To set up across footpath as the double monolayers of 21m
" 321 " shaped steel bridge as a example by, troops needed for normal cantilever release method are 41 people, its 1 people of squadron officer, each 8 people of two truss classes, two
Each 8 people of individual crossbeam class, connection 8 people of class, the single maximum a quarter born a heavy burden for truss or crossbeam weight, bear a heavy burden advance away from
From about whole bridge length, total time-consuming about 2 hours, all truss classes and crossbeam class（That is 32 people, account for and participate in operation number
78%）In the intensive work time（Or the activity duration of heavy burden crossbeam or truss weight 1/8 and the above）Account for total operation time
Half（About 1 hour）.And coordinate two uses for carrying erection car that troops can be made to reduce to 27 people, and its 1 people of squadron officer, one
Carry 8 people of class（Only it is responsible for truss, crossbeam are carried on carrying erection car, no longer than 3 meters of operation distance is less than
The length of one truss）, 5 people of truss class and 1 carries and sets up car, and 5 people of crossbeam class and 1 carry and sets up car, and one
Individual connection 8 people of class, single maximum heavy burden is 1/8th of truss or crossbeam weight（I.e. maximum heavy burden mitigates 50%）, fortune of bearing a heavy burden
Distance is sent to be usually no more than 3 meters, total time-consuming will be less than 1.5 hours, and personnel are only carried without obvious high-strength working, heavy burden personnel
8 people of plate, bears a heavy burden the activity duration（The activity duration of heavy burden crossbeam or truss weight 1/8 and the above）Less than 10 minutes.Contrast is former
There is operating type, operating personnel reduces 34%, and maximum heavy burden mitigates 50%, and heavy burden operating personnel reduces 75%, and the activity duration of bearing a heavy burden subtracts
Few 83%, heavy burden traveling ultimate range reduces more than 85%.If being further added by 5 people and 1 being carried erection car and is used for truss operation, increase
Plus 1 carrying sets up car and is used for crossbeam and floorings（Longeron）Operation, then entirely operating speed will lift more than 30%, i.e. people
Member increases by 18.5%, and operating speed can improve more than 30%.
（6）The present invention increases beam erection in the case where not changing complete vehicle structure and not reducing car body strength and receives dress with removing
Put, the device can both transport crossbeam, can set up and remove receipts crossbeam again, operating personnel is reduced to 2-3 people by original 8-10 people；Side
Original a dead lift sliding friction is made to be changed into rolling friction to guide roller；Erectting guide roller makes crossbeam quick in set direction
Advance, it is to avoid the collision of crossbeam and truss；Due to the castering action of hydraulic cylinder, quickly divide with truss without the need for manually lifting crossbeam
From, make crossbeam erection and remove receipts it is not only quick but also laborsaving.
（7）Operation prepare faster, it is more convenient, safer.As the present invention adopts turnover front guide roller replacement original
Fixed equalizer bar, without projection, handling process is more steady to make in handling process plane at shelf.The present invention adopts two sides
Guide roller and 4 erect guide rollers to set up crossbeam, it is to avoid collision of the crossbeam with truss, make operation process more steady, soon
Prompt and safety.Meanwhile, the erection car has very strong transporting capacity, can carry multi-disc truss and crossbeam, transporting velocity simultaneously
For more than 10 times of original a dead lift, operating personnel can be simplified as 5 people by 8 people.
（8）It is pure mechanic structure that assembly type steel bridge on highway is carried and sets up car, structure technology maturation, Stability Analysis of Structures, weight
Gently, low cost, simple to operation, intensity is high, and fault rate is low, and reliability is high, strong applicability.
In a word, by carrying the more easy, efficient, safe, fast with the operation for causing assembly type steel bridge on highway of erection
Speed, accurately, it is steady, be obviously improved working performance, the operating cost such as use manpower and material resources sparingly.It is public that the equipment can effectively lift assembled
The Mechanization Level and landform adaptability of road steel bridge operation, solves high labor intensive during simple manpower operation, expends in connection
The problem long with the time in transport member, and lifting operation method by place limited seriously, the slow problem of operating speed,
It is that my army's emergent battle and rescue and relief work are raced against time.The equipment can not only be used for wartime or rescue and relief work assembly type steel bridge on highway
The necessary accessories of fast erecting, also can be used as assembly type steel bridge on highway routine use, the auxiliary appliance of peacetime training.
Claims (8)
1. a kind of multifunctional fabricated highway steel bridge is carried and sets up car, including shelf, handle, front wheels and rear wheels；Characterized in that,
Front guide roller returning face plate and side steering roll returning face plate are installed by hinge respectively on the shelf, front guide roller passes through front guide roller
Bearing block is arranged on front guide roller returning face plate, and the side steering roll returning face plate is two pieces, and side steering roll passes through side steering roll axle
Bearing is arranged on side steering roll returning face plate, and the front guide roller is orthogonal with side steering roll axis direction；Side steering roll axle
Line is parallel with shelf side；The setting guide roller vertical with side steering roll returning face plate is also equipped with side steering roll returning face plate；
The front-wheel adopts crawler type fore wheel structure.
2. multifunctional fabricated highway steel bridge according to claim 1 is carried and sets up car, it is characterised in that front guide roller is turned over
Flap and side steering roll returning face plate can be downwardly turned over.
3. multifunctional fabricated highway steel bridge according to claim 1 is carried and sets up car, it is characterised in that described is leading
It is parallel with respective returning face plate to roller and side steering roll, and returning face plate in working order when with plane on shelf coplanar
On, returning face plate packs up the bottom surface for being fixed on shelf in off working state.
4. multifunctional fabricated highway steel bridge according to claim 1 is carried and sets up car, it is characterised in that described setting
Guide roller is distributed in the side of side steering roll, and higher than the level height of side steering roll, erectting guide roller has two groups, per group two
Individual, the spacing of two setting guide rollers is equal or slightly larger than the width of steel bridge truss or crossbeam.
5. multifunctional fabricated highway steel bridge according to claim 1 is carried and sets up car, it is characterised in that described setting
Guide roller includes mounting seat, bearing, axle sleeve and snap ring, and mounting seat is fixed on side steering roll returning face plate, and mounting seat top is band
Shoulder axle, installs bearing on shouldered shaft, axle sleeve is fixed on bearing, and bearing upper end is provided with mounting seat upper bands shoulder shaft connection place
Snap ring.
6. multifunctional fabricated highway steel bridge according to claim 1 is carried and sets up car, it is characterised in that the crawler type
Front-wheel includes big belt wheel, small pulley, former, crawler belt and support；Big belt wheel has two, before and after being distributed in, and big belt wheel passes through bearing
Cooperation is coupled with little axle, and little axle two ends are fixedly connected with former termination by fastening screw；Small pulley by bearing fit with
The little axle connection of band shoulder, and the little axle of band shoulder is coupled with pedestal lower end with the middle part of former simultaneously by shaft hole matching；Crawler belt is sleeved on two
In individual big belt wheel, and big belt wheel, small pulley are engaged with crawler belt；Backplate is provided with the outside of big belt wheel, small pulley, it is to avoid crawler belt with
Frame is interfered；Big belt wheel, small pulley are made circular shaft and are engaged with crawler belt in the presence of frictional force, or make toothed shank and make belt wheel
Preferably engage with crawler belt；The frame upper is coupled with the connecting rod for setting up car is carried by bearing pin one, and frame upper also passes through
Bearing pin two is coupled with shelf otic placode.
7. multifunctional fabricated highway steel bridge according to claim 1 is carried and sets up car, it is characterised in that on the shelf
Riser is fixed with, top board on riser, is fixed with, riser is connected with cylinder pedestal by the two A connection sheets in left and right, and oil cylinder includes greatly
Plunger and small plunger, big plunger are connected with top board, and small plunger top is connected with handle bottom, and cylinder pedestal lower end is provided with trailing wheel,
Pedal is connected with riser or top board by spring.
8. multifunctional fabricated highway steel bridge according to claim 7 is carried and sets up car, it is characterised in that described oil cylinder
Base is hinged with A connection sheets, and A connection sheets are connected transmission by rotating shaft, B connection sheets again with the connecting rod, and rotating shaft is arranged on riser
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737651.3A CN105332344B (en) | 2015-11-04 | 2015-11-04 | Multifunctional prefabricated highway steel bridge carrying and erecting vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737651.3A CN105332344B (en) | 2015-11-04 | 2015-11-04 | Multifunctional prefabricated highway steel bridge carrying and erecting vehicle |
Publications (2)
| Publication Number | Publication Date |
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| CN105332344A CN105332344A (en) | 2016-02-17 |
| CN105332344B true CN105332344B (en) | 2017-04-26 |
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| CN201510737651.3A Active CN105332344B (en) | 2015-11-04 | 2015-11-04 | Multifunctional prefabricated highway steel bridge carrying and erecting vehicle |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677072B (en) * | 2017-01-26 | 2019-04-09 | 中国人民解放军国防科技大学 | Detachable highway steel bridge carrying and erecting vehicle with general height |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3903465B2 (en) * | 2002-08-28 | 2007-04-11 | 日本輸送機株式会社 | Transporter |
| JP2007283915A (en) * | 2006-04-18 | 2007-11-01 | Ryono Engineering Kk | Crawler type delivery vehicle |
| CN103243655B (en) * | 2013-05-17 | 2015-03-25 | 中国人民解放军国防科学技术大学 | Assembling highway steel bridge transporting and erecting vehicle |
| CN103243656B (en) * | 2013-05-17 | 2016-05-25 | 中国人民解放军国防科学技术大学 | Car is set up in the carrying of a kind of assembly type steel bridge on highway automatic lifting type |
| CN203238554U (en) * | 2013-05-17 | 2013-10-16 | 中国人民解放军国防科学技术大学 | Assembling-type highway steel bridge universally-rotating type carrying erection car |
| CN203946128U (en) * | 2014-07-09 | 2014-11-19 | 朱孟光 | The go-cart that contains auxiliary support board |
| CN204623498U (en) * | 2014-11-25 | 2015-09-09 | 国网河南省电力公司驻马店供电公司 | A kind of protection screen cabinet transportation means |
| CN205188825U (en) * | 2015-11-04 | 2016-04-27 | 中国人民解放军国防科学技术大学 | Car is erect in transport of multi -functional assembled highway steel bridge |
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| CN105332344A (en) | 2016-02-17 |
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