CN105332343B - A kind of assembly type steel bridge on highway with Athey wheel is carried and sets up car - Google Patents
A kind of assembly type steel bridge on highway with Athey wheel is carried and sets up car Download PDFInfo
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- CN105332343B CN105332343B CN201510737304.0A CN201510737304A CN105332343B CN 105332343 B CN105332343 B CN 105332343B CN 201510737304 A CN201510737304 A CN 201510737304A CN 105332343 B CN105332343 B CN 105332343B
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Abstract
A kind of assembly type steel bridge on highway with Athey wheel is carried and sets up car, including shelf, handle, front wheels and rear wheels；The front-wheel uses crawler type fore wheel structure, including big belt wheel, small pulley, former, crawler belt and support；Big belt wheel is coupled by bearing fit with small axle, and small axle two ends are fixedly connected with former termination；Small pulley is coupled by bearing fit with the band small axle of shoulder, and the small axle of band shoulder is coupled simultaneously by shaft hole matching with former and support；Crawler belt is sleeved in two big belt wheels, and big belt wheel, small pulley are engaged with crawler belt；The frame upper is coupled by bearing pin one with connecting rod, is coupled with the otic placode of shelf by bearing pin two.The present invention adapts to the assembly type steel bridge on highway of the existing all models of China, it is to avoid wheel is absorbed in silt, simple to operate, light laborsaving, efficient quick.
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 the rush construction repairing to assembly type steel bridge on highway and military upper ancillary works soldier in earthquake relief work
Carry out science of bridge building operation.
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, and assembly type steel bridge on highway has in the natural calamities such as Wenchuan, Yushu earthquake and Zhouqu County's mud-rock flow
Using in military field, it can also be used to the science of bridge building operation of ancillary works soldier, efficiency is improved, strengthen the mobility of army.But
It is that existing assembly type steel bridge on highway its erection method predominantly cantilever releases method and lift-on/lift-off system, cantilever releases method operating personnel
Many, labour intensity is big, and the more muscle power of consumption operation hand, the time expended in transport and connecting elements is more long；Lift-on/lift-off system palpus
Operation is carried out using bulky heavy large-scale erection hanging device, its mobility is poor, and engineering cost is high, particularly by frame
If place limitation influence is big, so that many gully river valleys cannot be installed and used.Simultaneously because the truss and crossbeam of steel bridge component are
Steel material, volume and weight is all very big, and, it is necessary to accurately position is transferred and docked during steel bridge sets up assembly,
But the need for these the large-scale erection hanging devices for using at present cannot fully meet engineer operation.
In earthquake relief work and military training, general geography features as poor geologic condition, carrying erection car often will be in silt ground
Operation, causes wheel to be absorbed in deeper, it is impossible to normal work, directly affects being smoothed out and entirely filling for steel-frame member butt-joint operation
Construction speed with formula highway steel bridge.
The content of the invention
The technical problems to be solved by the invention are：Above-mentioned prior art is solved the problems, such as, and providing one kind has
The assembly type steel bridge on highway of Athey wheel is carried and sets up car, adapts to various geographical conditions, it is to avoid wheel is absorbed in silt, operation letter
It is single, light laborsaving, efficient quick, and small volume, low cost, reliable operation.
The technical solution adopted by the present invention is：
A kind of assembly type steel bridge on highway with Athey wheel is carried and sets up car, including shelf, handle, front wheels and rear wheels；Institute
Front-wheel is stated using crawler type fore wheel structure.
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 by bearing fit with small axle, and small axle two ends are by fastening screw and former end
Head is fixedly connected；Small pulley is coupled by bearing fit with the band small axle of shoulder, and the small axle of band shoulder is by shaft hole matching and former middle part
Couple simultaneously with pedestal lower end；Crawler belt is sleeved in two big belt wheels, and big belt wheel, small pulley are engaged with crawler belt；Big belt wheel,
Small pulley outside is provided with backplate, it is to avoid crawler belt is interfered with support；Big belt wheel, small pulley can both make work of the circular shaft in frictional force
Engaged with crawler belt with lower, may be alternatively configured toothed shank makes belt wheel preferably be engaged with crawler belt；The frame upper by bearing pin one with
The connecting rod connection for setting up car is carried, frame upper is also coupled by bearing pin two with the otic placode of shelf.
In above-mentioned technical proposal, the described assembly type steel bridge on highway with Athey wheel is carried and sets up car, it is adaptable to China
The assembly type steel bridge on highway of currently all model, and assembly type steel bridge on highway heavier to component, that erection required precision is higher
Applicability is stronger.
In above-mentioned technical proposal, riser is fixed with the shelf, top board is fixed with riser, 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 hand
Handle bottom is connected, and cylinder pedestal lower end is provided with trailing wheel, and pedal is connected by spring with riser or top board.
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
Transmission is connected 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 preceding bearing bar with after
Bearing bar, fulcrum and the shelf rear end of lever arm are hinged.
In above-mentioned technical proposal, the flat rolling of guiding is placed with the shelf.
Operation principle and advantageous effect：
Assembly type steel bridge on highway is also known as Bailey bridge, in the repairing of wartime highway bridge, rush construction, overcomes rivers obstacle, Yi Ji
Irreplaceable effect is all played in usually antidetonation flood fighting, rescue and relief work, traffic support.In earthquake relief work and military training
In, field geology orographic condition is poor, carry set up car can not possibly all in flat cement flooring operation, but often will be in silt
Work on the ground, and steel structure truss and crossbeam volume and weight are all very big, collapsible wheel obtains very deep, and causing carrying to set up car cannot be just
Often work, assembly type steel bridge on highway is built and is obstructed, and has a strong impact on earthquake relief work and military training.The present invention will be carried and set up Chinese herbaceous peony
Wheel is designed to crawler type fore wheel structure, and this problem is solved well.Crawler type front-wheel of the invention include preceding big belt wheel,
Big belt wheel, middle part small pulley and crawler belt afterwards, big with contact area of ground, wheel will not be absorbed in silt ground on the inside of crawler belt.
Additionally, its frame upper of crawler type front-wheel of the invention is connected by bearing pin with connecting rod and shelf otic placode respectively, this structure sets
Meter, not only enables crawler type front-wheel bear the load on shelf well, and crawler type front-wheel is set up the original lift of car by carrying
The link transmission control of mechanism is risen, crawler type front-wheel is lifted and is deflected, more the different landform of flexible adaptation and motion
Direction, it is ensured that shelf are at the top of poised state, shelf to ground level at an arbitrary position all the time in whole mechanism lifting process
It is identical；The control for setting up car direction due to carrying again is main by trailing wheel（Universal wheel）Carrying after control, therefore improvement sets up car
Landform adaptability is greatly increased, but the flexibility of its divertical motion is not reduced.
Present invention application SolidWorks Three-dimensional Design Softwares, are that the assembly type steel bridge on highway with Athey wheel carries erection
The three-dimensional structure modeling of car provides condition, and its Assembly design technology can make designer in design elements, blank, catch
The design relation between part is caught, makes model more practical.Its engineering drawing drawing techniques, can obtain carrying erection car threedimensional model
Detailed dimensions, are that manufacture in kind is provided convenience.ANSYS softwares with power can be to the knot of equipment threedimensional model
Structure, carries out comprehensive analysis of various external load condition lower stress, deformation, stability and various dynamic characteristics, and it is limited to complete its
Meta analysis, verifies its bearing capacity.
Brief description of the drawings
Fig. 1 is structural front view of the present invention；
Fig. 2 is structure top view of the present invention；
Fig. 3 is crawler type fore wheel structure front view；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is crawler type front-wheel generalized section；
Fig. 6 is the frame upper mounting structure upward view of crawler type front-wheel；
Fig. 7 is the flat rolling structural representation being oriented to；
Fig. 8 is the flat rolling cross-sectional view being oriented to；
Fig. 9 is the side view of Fig. 7.
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- bearing pins one, 13- bearing pins two, 14 1 small axles, 15- big belt wheels, 16- small pulleys,
17- formers, 18- crawler belts, the 19- band small axles of shoulder, 20- supports, 21- front-wheel bearings, 22- connecting rods, 23- shelf otic placodes, the flat rolling branch of 24-
Frame, 25- guide bearings, 26- guiding trestles, 27- rollers, 28- drum shafts, 29- bearings, 30- guide bearing bearing pins, 31- blocks.
Referring to Fig. 1 ~ Fig. 6, multifunctional fabricated highway steel bridge of the invention is carried and sets up car, including shelf, handle, front-wheel
And trailing wheel；The front-wheel uses crawler type fore wheel structure.
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 by bearing fit with small axle, and small axle two ends are fixedly connected by fastening screw with former termination；Small band
Wheel is coupled by bearing fit with the band small axle of shoulder, and the small axle of band shoulder is joined simultaneously by shaft hole matching with former middle part and pedestal lower end
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 by bearing pin two with the otic placode of shelf.
Above-mentioned big belt wheel, small pulley engage concrete structure with crawler belt：Big belt wheel, small pulley can make circular shaft,
Big belt wheel, small pulley are engaged with crawler belt in the presence of frictional force；Or big belt wheel, small pulley make gear shaft, big belt wheel, small band
Wheel is engaged with crawler belt.
Above-mentioned big belt wheel, small pulley outside are provided with backplate.
The flat rolling of guiding is placed with above-mentioned shelf.
Riser is fixed with above-mentioned shelf, top board is fixed with riser, riser is by the A connection sheets of left and right two and oil cylinder bottom
Seat connection, oil cylinder includes 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 by spring with riser or top board.
Above-mentioned cylinder pedestal is hinged with A connection sheets, and A connection sheets are connected biography by rotating shaft, B connection sheets with the connecting rod again
Dynamic, rotating shaft is arranged on riser.
Above-mentioned pedal is steel-frame structure, and it includes two lever arms and preceding bearing bar and rear load-bearing bar, the branch of lever arm
Point is hinged with shelf rear end.
Referring to Fig. 7 ~ Fig. 9, the present invention increases the flat rolling explanation being oriented in shelf：Guider is installed additional in flat rolling on,
Truss is set to position faster, it is more accurate.In Fig. 7 ~ Fig. 9, the flat rolling supports of 24-, 25- guide bearings, 26- guiding trestles, 27- rollers, 28-
Drum shaft, 29- bearings, 30- guide bearing bearing pins, 31- blocks.Block is fixed by screws on guiding trestle, and block
Fixed with flat rolling support.Guide bearing uses shaft hole matching with guide bearing bearing pin, and guide bearing bearing pin is fixed by nut
Can be needed that different hole positions are installed according to different width on guiding trestle, on guiding trestle, roller passes through 4 bearings with axle
Connection, axle is fixed on support further through snap ring and shaft hole matching.
Operation principle：
Carry and set up car and can be used for all components of assembly type steel bridge on highway from storage storehouse outbound, and transport after unloading
Prepare region to operation, preparing region from operation is transported to erection ground, and realizes the quick and precisely splicing of truss, crossbeam.
Prepare region in operation, carry the valve piston cylinder for setting up car using hand lever starting hydraulic system, by hydraulic drive,
Big piston, jack-up shelf is driven to adjust to proper height（Rim brake is located at the next working condition in lifting process, hydraulic system
Relief valve closes locking, in place rear hydraulic locking cylinder, and hydraulic system realizes mechanical energy to hydraulic pressure in packing state, overall process
The conversion of mechanical energy can again be arrived）, during transport, operator is pushed by handle, traction transport sets up car, and using handle
The direction of the control main directive wheel in 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 was buttressed without personnel）Transport, carrying erection car 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 rolled on flat（When vertical purlin is transported, can be straight
Connect splicing）, carrying erection car can realize that truss is significantly adjusted up and down by brake apparatus 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 high up to making a reservation for
Degree）, also the fine setting up and down of truss can be realized using lever principle by the cooperation of pedal and equalizer bar, meanwhile, by it is leading to
Roller realizes the WidFin of truss（Cylindrical contact face is relatively smooth, reduces the coefficient of friction with truss, is conducive to truss
Move left and right）.When needing braking, carrying erection car can start brake gear, fixed car body.Truss class squeezes into pin rapidly.So
After withdraw from barrow and set car, continue to carry.When removing receipts truss, carry and set up car insertion truss bottom, goods is lifted by hydraulic cylinder
Frame, makes front guide roller and pedal front end be contacted with truss, then light pedal, finely tunes truss, now gets pin, time saving province
Power, to get and finely tune pedal again after a pin and get second pin.First pin of supporting role of car is set up due to carrying
Get and be relatively easy to, truss is lifted without people when second pin is played, it is only necessary to which personnel buttress truss on erection car is carried
Pin is got, the truss that can be fallen after front and rear truss disengaging is placed on carrying erection car and withdraws.
The erection of crossbeam and remove receipts both can separate unit carry set up car operation, also can two carry set up cars simultaneously operations, make
Returning face plate to working condition is first overturn before industry, suitable operating type can be selected according to landform, operating personnel during operation.Set up horizontal
Liang Shi, first by flat rolling（As shown in Figure 1）Carrying is placed in set up on car, make flat rolling long while parallel to carry set up car it is long while,
Operation carrying sets up car and reaches stitching position on the outside of truss, and rear cross beam class erects crossbeam on erection car is carried, and is placed in
It is flat to roll on, crossbeam is located at two guide bearings（Guiding trestle）Centre, makes crossbeam lower end slightly above truss peg top, pushes horizontal
Beam, for when the peg hole of crossbeam both sides is close to peg, operation handle reduction shelf, crossbeam make under gravity peg and
Peg hole combines automatically, such as it is not in place can optionally before and after promote carry set up car or left and right promote crossbeam, make peg and peg
Hole combines in place, can be withdrawn with reference to erection car is carried afterwards in place.When two carryings set up car operation, first by flat rolling（Such as Fig. 1
It is shown）Carrying is placed in set up on car, make flat rolling long while parallel to carry set up car it is long while, flat rolling can put 1 and also put 2,
Such as put 2, answer 2 it is placed side by side.Carry set up car can one be placed in truss inner side, another be placed in truss outside, make crossbeam
Carried at two and set up car operation, the peg position of the peg hole alignment truss of crossbeam is made as far as possible, crossbeam can be reduced first after in place
Or the shelf of promotion truss inner side carrying erection car make peg hole close to peg, such as need adjustment, outside carrying sets up car can be coordinated
Adjustment, it is ensured that two carryings set up car rack and are reduced to minimum point and withdraw after in place.
Remove the time receiving, such as separate unit is carried and sets up car operation, first by flat rolling（As shown in Figure 1）It is placed in carrying to set up on car, makes
Flat rolling it is long while parallel to carry set up car it is long while, operation is carried and sets up car to crossbeam middle part, crossbeam is located at two guide bearings
（Guiding trestle）Centre, lifting shelf depart from peg and peg hole, and crossbeam is then pushed laterally, crossbeam is taken off with truss
From；When operation is difficult in the middle of the crossbeam can also the operation on the outside of truss, make crossbeam be placed in it is flat roll on, lifting shelf make close to removing
Fortune sets up the peg of side and peg hole departs from, and then lifting opposite side crossbeam departs from the peg of opposite side and peg hole, and
Backward outside pushes crossbeam, crossbeam is departed from truss；When two carryings set up car operation, Ke Yitai is placed in crossbeam middle part, one
Platform is placed in outside, and middle part is carried and sets up car for boist truss and be allowed to depart from crossbeam, and outside is carried and sets up car and middle part frame
If car is engaged removes receipts crossbeam, and carries 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 improves bearing capacity；The ice and snow weather of low temperature severe cold, avoids skidding using Athey wheel,
Improve the applicability and security of operation.
（2）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 stronger.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。
（3）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 only needed during erection truss
If car, 4 people buttress truss, and 5 people are only needed when setting up crossbeam, and 1 people operation is carried and sets up car, and 4 people push crossbeam.Contrast is original
Operating type, operating personnel reduces 34%, and maximum is born a heavy burden and 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 will constantly be accelerated, can many carrying erection car operations, operating type simultaneously
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 duration greatly shorten, and mobility also strengthens therewith, and when building a bridge more long, its superiority is more obvious, 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 stronger.To set up across footpath as the double individual layers of 21m
" 321 " shaped steel bridge as a example by, troops needed for normal cantilever release method are 41 people, its people of squadron officer 1, each 8 people of two truss class, two
Each 8 people of individual crossbeam class, a connection people of class 8, 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 to carry and set up the uses of cars and the troops will be reduced to 27 people, its people of squadron officer 1, one
Carry the people of class 8（Only it is responsible for being carried to truss, crossbeam on carrying erection car, no longer than 3 meters of operation distance is no more than
One length of truss）, 5 people of truss class and 1 carrying set up car, crossbeam 5 people of class and 1 carrying erection car, one
The individual connection people of class 8, 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 without obvious high-strength working, heavy burden personnel are only to carry to personnel
The people of plate 8, bears a heavy burden the activity duration（The activity duration of heavy burden crossbeam or truss weight 1/8 and the above）No more than 10 minutes.Contrast is former
There is operating type, operating personnel reduces 34%, and maximum is born a heavy burden and 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 whole operating speed will lift more than 30%, i.e. people
Member increases by 18.5%, and operating speed can improve more than 30%.
（4）The present invention in the case where not changing complete vehicle structure and not reducing car body strength, using setting up the flat mode rolled
Realize beam erection and remove the function of receipts, the operational method can both transport crossbeam, can set up and remove receipts crossbeam again, operating personnel by
8-10 people originally is reduced to 2-3 people；Flat rolling with making original a dead lift sliding friction be changed into rolling friction；Due to liquid
The castering action of cylinder pressure, crossbeam and truss quick separating are lifted without artificial, make the erection of crossbeam and remove to receive not only quick but also laborsaving.
（5）Operation prepare faster, it is more convenient, safer.Due to the present invention assembling is carried and sets up using erection car is carried
Formula highway steel bridge, makes operation process more steady, quick and safety.Meanwhile, the erection car has very strong transporting capacity, can
Carry multi-disc truss and crossbeam simultaneously, transporting velocity is more than 10 times of original a dead lift, operating personnel can by 8 people simplify for
5 people.
（6）It is pure mechanic structure that assembly type steel bridge on highway is carried and sets up car, and the structure technology is ripe, Stability Analysis of Structures, weight
Gently, low cost, simple to operate, intensity is high, and fault rate is low, and reliability is high, strong applicability.
In a word, by carry set up with cause assembly type steel bridge on highway operation it is more easy, efficient, safe, soon
It is speed, accurate, steady, operating efficiency is obviously improved, 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, solve labour intensity during simple manpower operation and greatly, expend in connection
The problem long with 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 (2)
1. a kind of assembly type steel bridge on highway with Athey wheel is carried and sets up car, including shelf, handle, front wheels and rear wheels；It is described
Front-wheel uses crawler type fore wheel structure；Characterized in that, the crawler type front-wheel include big belt wheel, small pulley, former, crawler belt and
Support；Big belt wheel has two, and before and after being distributed in, big belt wheel is coupled by bearing fit with small axle, and small axle two ends pass through fastening
Screw is fixedly connected with former termination；Small pulley is coupled by bearing fit with the band small axle of shoulder, and the band small axle of shoulder is matched somebody with somebody by axis hole
Close and couple simultaneously with former middle part and pedestal lower end；Crawler belt is sleeved in two big belt wheels, and big belt wheel, small pulley and crawler belt
Engagement；The frame upper is coupled by bearing pin one with the connecting rod for setting up car is carried, and frame upper also passes through bearing pin two and shelf
Otic placode connection；Big belt wheel, small pulley engage concrete structure with crawler belt：Big belt wheel, small pulley make circular shaft, in frictional force
In the presence of engaged with crawler belt；Or big belt wheel, small pulley make toothed shank, big belt wheel, small pulley are engaged with crawler belt；It is described big
Belt wheel, small pulley outside are provided with backplate；The flat rolling of guiding is placed with the shelf.
2. the assembly type steel bridge on highway with Athey wheel according to claim 1 is carried and sets up car, it is characterised in that described
Be oriented to flat rolling be：Guider is installed additional in flat rolling on, the flat agglomeration of guiding includes flat rolling support, guide bearing, guiding trestle, rolling
Cylinder, axle, bearing, guide bearing bearing pin, block；Block is fixed by screws on guiding trestle, and block and flat rolling support
Fixed, guide bearing uses shaft hole matching with guide bearing bearing pin, and guide bearing bearing pin is fixed on guiding trestle by nut
On, needed according to different width that different hole positions are installed on guiding trestle, roller is connected with axle by 4 bearings, axle further through
Snap ring and shaft hole matching are fixed on support.
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| CN102285386A (en) * | 2011-08-29 | 2011-12-21 | 石家庄中煤装备制造股份有限公司 | Mining explosion-proof crawler-type carrier vehicle |
| 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 |
| CN103953082A (en) * | 2014-05-21 | 2014-07-30 | 林维金 | Multifunctional special mechanical engineering working vehicle |
| CN205188824U (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 assembled highway steel bridge with athey wheel |
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