CN104554290B - Straddle type single-track operating vehicle with four-wheel-pair structure - Google Patents

Straddle type single-track operating vehicle with four-wheel-pair structure Download PDF

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Publication number
CN104554290B
CN104554290B CN201410818974.0A CN201410818974A CN104554290B CN 104554290 B CN104554290 B CN 104554290B CN 201410818974 A CN201410818974 A CN 201410818974A CN 104554290 B CN104554290 B CN 104554290B
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China
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wheel
motor
valve
compartment
van
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CN104554290A (en
Inventor
李得志
段云龙
赵瑞杰
连安彬
刘晓红
王鸿博
初长红
朱俊亚
白春民
臧坤
曹亚玲
张小兵
李宏
冯丽
路海峰
杨毅
宋伟
霍强
李承超
张妍
朱海涛
马煚
王俊亭
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Taiyuan CRRC times Track Engineering Machinery Co., Ltd
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Crrc Taiyuan Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61BRAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00Other railway systems
    • B61B13/04Monorail systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D15/00Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways

Abstract

The invention relates to an urban railway operating vehicle and particularly relates to a straddle type single-track operating vehicle with a four-wheel-pair structure. The problems of heavy carriage, complex driving mode, low driving efficiency, heavy bogie, and the like, of the present operating vehicle are solved. The straddle type single-track operating vehicle comprises a carriage, a front bogie, a rear bogie, an I position wheel pair, an II position wheel pair, an III position wheel pair and an IV position wheel pair, wherein each bogie comprises a frame, a vehicle body supporting device and a dragging device; the whole frame has an II-shaped all-steel welded plate type box structure and comprises a lateral beam, an end beam, a central beam and a longitudinal beam; a motor bracket is fixed between the upper part of the lateral beam and the longitudinal beam; the I position wheel pair and the II position wheel pair are mounted on the motor bracket of the rear bogie; the III position wheel pair and the IV position wheel pair are mounted on the motor bracket of the front bogie; a guide wheel assembly is mounted in the middle of the lateral beam; a stable wheel assembly is mounted on the lower part of the lateral beam. The line demand on a single rail PC beam is reasonably met; the safety factor is high; the traction performance is excellent; the structure is simple; the repairing is easy; the vehicle running is stable; the braking performance is excellent.

Description

A kind of straddle-type monorail Operation Van of four pairs of wheel constructions
Technical field
The present invention relates to a kind of city rail Operation Van, specially a kind of straddle-type monorail Operation Van of four pairs of wheel constructions.
Background technology
With the development of domestic and international single-track beam support circuit, the high-quality track to building, keeping in repair, safeguarding its circuit There is huge demand in Operation Van, and straddle-type monorail Operation Van is the special engineering machine for monorail traffic system construction operation Tool, its vehicle chassis narrow space is less demanding to the speed of service, but requires that low-speed stability is good, and starting torque is big.It is existing across Type monorail Operation Van compartment is heavier, and space is less, and the kind of drive is complicated, and energy conversion energy consumption is relatively large, causes transmission effect Rate is low, and affects the running stability of car load, the design of existing bogie to meet the service requirement of PC beam orbits, shadow Vehicle traveling comfort and safety are rung, and whole bogie is excessively heavy, and cost is also costly.Therefore in the urgent need to root According to straddle-type monorail Line technology specification and line construction, maintenance, safeguard the characteristics of, design and meet domestic straddle-type monorail The engineering working vehicle that circuit is used;According to the technical characterstic of straddle-type monorail Operation Van, design meets straddle-type monorail Operation Van The bogie of service requirement;Because the single track Operation Van speed of service is less demanding, and there is low-speed big towage operating mode, Drive system in the urgent need to designing complete set, meets the operation of single track Operation Van and job requirements.
The content of the invention
The present invention is in order to solve existing straddle-type monorail Operation Van compartment weight, space is little, the kind of drive is complicated, transmission efficiency A kind of low and bogie excessively heavy, high cost problem, there is provided straddle-type monorail Operation Van of four pairs of wheel constructions.
The present invention adopts the following technical scheme that realization:A kind of straddle-type monorail Operation Van of four pairs of wheel constructions, including The compartment that constitutes by front drivers' cab, rear drivers' cab and positioned at middle machine chamber, the forecarriage positioned at compartment lower section two ends, Trailing bogie and its I wheel are right to, IV wheel to, III wheel to, II wheel, also comprising power drive system, heat radiator assembly, Job platform, driver control console, auxiliary device, power drive system and heat radiator assembly are arranged in machine room;Wherein each Bogie includes framework, body supporting device, traction apparatuss of the straddle seat on PC beams, framework generally " Π " font all steel group weldering Board-like box-structure, comprising the curb girder positioned at PC beam orbits both sides, the end carriage being connected between curb girder both upper ends thereof, is connected to side Center sill between beam central upper portion position and four longerons being connected between two butt beams and center sill, on curb girder It is respectively fixed with the corresponding two groups of motor brackets in position between portion and respective longerons, I wheel is to, II wheel to installed in rear steering On two groups of motor brackets of frame, III wheel to, IV wheel on two groups of motor brackets of forecarriage, wherein II , to being above separately installed with one group of wheel-side motor I and one group of wheel-side motor II, I wheel is to, IV wheel to upper peace for wheel pair and III wheel Dress normally closed type disk brake;Four directive wheel assemblings are installed in curb girder middle part both sides, and two steady wheel assemblings are installed in bottom both sides; Body supporting device is steel circle spring assembling using two, and body supporting device is symmetrically mounted on curb girder top two centered on center sill Side;Traction apparatuss adopt centre of pull pin, and installed in center sill middle part, bogie is by centre of pull pin and the bearing-type in compartment Underframe connects.
In order to further optimize the structure of the single track Operation Van, its function is improved, the present invention has also carried out following structure and set Meter:
Power drive system comprising be fixed on by damping installation seat electromotor on compartment bearing-type underframe, transfer case, Traveling pump, operation pump, donkey pump on transfer case and comprising one group of wheel-side motor I and one group of wheel-side motor II, should Anxious electrodynamic pump, flushing valve, switch valve I, switch valve II, switch valve III, switch valve IV, freewheel valve I, the enclosed of freewheel valve II Hydraulic system, traveling pump adopts hydrostatic running shaft orientation plunger variable pump, wheel-side motor I and wheel-side motor II to adopt radial plunger Double-speed motor, hydrostatic running shaft orientation plunger variable pump A mouths take turns wheel-side motor I C in parallel to two by high-pressure oil pipe with II Mouth connection, couples with III wheel to the C mouths of wheel-side motor II of two parallel connections;Hydrostatic running shaft orientation plunger variable pump B mouths are by height Pressuring oil pipe couples with II wheel to the D mouths of wheel-side motor I of two parallel connections, and the D mouths of wheel-side motor II of two parallel connections are coupled with III wheel, Constitute two groups of each independent basic enclosed hydrostatic circuits, flushing valve is parallel in loop with motor, switch valve III with freely Wheel valve I constitutes control valve group, controls wheel-side motor I, and switch valve IV constitutes control valve group with freewheel valve II, controls wheel-side motor II, switch valve III, switch valve IV are automatically controlled pilot valve, and switch valve II is displacement control electromagnetic valve, and switch valve I is control for brake electricity Magnet valve, emergent electrodynamic pump pressure port couples with the oil-in of switch valve I.
Curb girder is the demountable structure being made up of top side rail and bottom side rail, by two fastenings between top side rail and bottom side rail Pin and a centre of location pin connection, four directive wheel assemblings are arranged on top side rail, and two steady wheel assemblings are arranged on downside Liang Shang.
Body supporting device be by lower spring cup, outer spring, inner spring, upper spring seat, screw, stay-bolt, break-in plate, Fixed plate and pressing plate are constituted, and break-in plate is fixed by screw with curb girder, are tied using planar friction between lower spring cup and break-in plate Structure, and coat grease layer.
I wheel to, II wheel to, III wheel to, IV wheel centering travelling wheel for inflated with nitrogen rubber wire tire, peace Be mounted on engineering wheel, wheel-side motor I and the one end of wheel-side motor II are arranged on the wheel hub in engineering wheel, the other end with install Seat connection, mounting seat is arranged on motor bracket by closely-pitched fastening bolt.
Directive wheel assembling, steady wheel assembling comprising the mounting bracket, real core rubber tyre, wheel rim fixed with top side rail, Pull bar, axle, bearing block, bearing, spring and spring base, real core rubber tyre, wheel rim are coupled with wheel hub by bolt and are bearing in On bearing and bearing block, shaft end is coupled by pull bar, spring, spring base with mounting bracket, and the decrement of spring is more than operation Car crosses maximal tensility during bend.
Two butt beam intermediate symmetries install rescue wheel, and rescue wheel has the single-groove grooved of contact rubber oil sea using bilateral Filling lithium base grease in ball bearing, bearing.
Integral lifting connecting rod is fixed with end carriage, mainly when car body is lifted by crane together with bogie connection body and turn To frame, it is ensured that two equipment are lifted together.
Compartment adopts monolithic construction compartment, and comprising compartment skeleton, external covering board, compartment interior trim, floor, compartment skeleton is adopted The caged being made up of bearing-type underframe and type steel skeleton is designed, spraying damping slurry, filling fire proofing in compartment skeleton;Exterior skin Covered using the tensioning of 0.8mm~1.5mm steel plates and spread;Compartment interior trim adopts fiberglass interior trim;Tied using artboard sandwiches on floor Structure composite floor board.
Using the structure design of the present invention, main feature includes that 1, Straddle type monorail train operation circuit is PC beams, and general Logical railroad train is entirely different, therefore sit-astride bogie need to arrange steady wheel, to ensure stablizing for vehicle;2nd, travelling wheel is by rubber Rubber tire tire replaces the steel wheel of rail truck, and by directive wheel the guide effect of wheel tread for railway rolling stock is realized, directive wheel and Steady wheel also uses rubber tyre;3. bogie global shape into " Π " font straddle seat on PC beams;4. bogie does not set one and is Suspension arrangement substitutes its effect by the elasticity of aerated rubber tyre, and body supporting device is by the direct supporting body of steel circle spring, steel circle Spring is installed architecturally;5th, centre of pull pin is arranged at bogie geometric center, is connected with car body center key seat, it is ensured that car body Bogie pull strength totally tansitive to car body under each line condition such as straight line, bend, traction car load operation, four directive wheels Contacted with certain pretightning force with PC beams, it is ensured that car load runs along PC beams track, two steady wheels are in close contact with PC beams bottom, protected Card vehicle smooth-ride, without rollover risk;6th, car load adopts independent monolithic construction compartment, its skeleton to design using caged, There are enough rigidity and intensity to carry operating personnel and load-carrying, sound insulation, fire-retardant, lightweight, 100% low-floor structure design is released Compartment space is put;7th, unique static hydraulic drive system, hydrostatic running shaft orientation plunger variable pump is a kind of inclined disc type variable Pump, flow is directly proportional to rotating speed and discharge capacity is driven, and controls its stepless variable with electric ratio joystick and change hydraulic oil So as to realize the high low speed of car load and forward and reverse traveling, axial plunger pump controls four to flow direction by a series of special control valve groups Wheel-side motor, the motor is a kind of radial plunger double-speed motor for aiming at walking machine design, and its starting torque is big, low in locomotive High torque can be exported when fast;And when locomotive needs low torque high-speed cruising, can by operation valve by hydraulic fluid only In delivering to the general stroke of motor piston, and it is another as hydraulic fluid is continuously circulated in stroke, should " reduction discharge capacity " Pattern reduce flow required during high speed, reduce cost, it is noted that efficiency, improve car load max. speed.
Have the advantage that compared with prior art:
1st, Straddle type monorail Operation Van bogie is different from common configuration in railroad truck, can reasonably meet list The line requirements of rail PC beams, travelling wheel is the rubber wire tire of inflated with nitrogen, increased directive wheel and steady wheel, transports Operation Van Row is safe, steady;
2nd, Straddle type monorail Operation Van bogie is different from bogie of single-rail train, and travelling wheel is 2 that motor independently drives Individual power wheel;Bogie of single-rail train is 2 axle bogies, wheelbase 1500mm, by traction electric machine, shaft coupling, gear reduction box, most Afterwards by the travelling wheel of 2 series connection of drive shaft turns;
3rd, Straddle type monorail Operation Van bogie turns that radius of turn is little, climbing capacity is strong, adhesion strength is high, highest running speed 40km/h, speed 5km/h during operation, below rescue speed 5km/h, simple structure is easy to maintenance, and dependable performance is more suitable for rail Road beam sweep be 50m, line slope be that 60 ‰, gauge is little, the special operation turner condition more than low cruise operating mode;
4th, the monoblock type compartment of light-weight design reduces the energy resource consumption rate of car load, i.e. ring while its effect is ensured Protect the type selecting economic and reliable that energy-conservation causes actuated element again.
5th, double speed radial plunger piston motor is used first in such machinery, car load either high speed, low speed, hydraulic braking Completed by Qian Hou 2 groups of motor control power wheels so that the reliability that operates steadily of car load, braking ability is excellent;Parking braking by Parking brake on motor is completed;Car load service brake is the hydrostatic braking.
6th, centre of pull pin is arranged at bogie geometric center, is connected with car body center key seat, it is ensured that car body straight line, Lower bogie pull strength totally tansitive of each line condition such as bend is designed with to car body, traction car load operation in the key seat of center Multiple yielding rubber bushings, its special construction can be good at controlling the longitudinal traction and lateral shift of locomotive, safety coefficient is high, Hauling ability is good, simple and compact for structure, it is easy to keep in repair, and locomotive operation is steady, without phenomenon of nodding.
7th, body supporting device is mainly the effect of bearing body weight, is arranged in crossbeam middle part, when car body is in bend, turns Certain anglec of rotation is formed by the center of circle of centrepin to frame and car body, the car body bracing displacement of center type arrangement is little, it is ensured that car body The physical parameter of support does not change, and improves service life.
Description of the drawings
Fig. 1 is the front view of bogie of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is the front view of framework of the present invention;
Fig. 5 is the side view of Fig. 4;
Fig. 6 is the top view of Fig. 4;
Fig. 7 is the structural representation of body supporting device of the present invention;
Fig. 8 is travelling wheel schematic diagram of the present invention;
Fig. 9 is directive wheel of the present invention, steady wheel assembling schematic diagram;
Figure 10 is the front view of the present invention;
Figure 11 is the side view of Figure 10;
Figure 12 is the top view of Figure 10;
Figure 13 is the front view in compartment in Figure 10;
Figure 14 is the A-A sectional views of Figure 13;
Figure 15 is closed type hydraulic system schematic diagram of the present invention;
Figure 16 is open type hydraulic system schematic diagram of the present invention
In figure:Drivers' cab before 1-;Drivers' cab after 2-;3- machine chambers;4- forecarriages;5- trailing bogies;I wheel of 6- is right; II wheel of 7- is right;III wheel of 8- is right;IV wheel of 9- is right;10- heat radiator assemblies;11- job platforms;12- driver control consoles;13- PC beams;14- body supporting devices:14.1- lower spring cups, 14.2- outer springs, 14.3- inner springs, 14.4- screws, 14.5- draws Bar bolt, 14.6- break-in plates;14.7- fixed plates;14.8- pressing plates;15- traction apparatuss;16- end carriages;17- center sills;18- is indulged Beam;19- motor brackets;20- wheel-side motors I;21- wheel-side motors II;22- directive wheel assemblings;23- steady wheels are assembled;24- starts Machine;25- transfer cases;26- traveling pumps;27- meets an urgent need electrodynamic pump;28- flushing valves;29- switch valves I;30- switch valves II;31- is switched Valve III;32- switch valves IV;33- freewheels valve I;34- freewheels valve II;35- top side rails;36- bottom side rails;37- holding pins;38- Centre of location pin;39- travelling wheels;40- engineering wheels;41- mounting seats;42- mounting brackets;43- reality core rubber tyres;44- takes turns Rim;45- pull bars;46- axles;47- bearing blocks;48- bearings;49- springs;50- spring bases;51- rescue wheels;52- integral liftings connect Extension bar;53- compartments skeleton;54- external covering boards;55- compartments interior trim;56- floors;57- duplex pumps;58- handlances;59- synchronization horses Reach;60- flow dividers.
Specific embodiment
A kind of straddle-type monorail Operation Van of four pairs of wheel constructions, as shown in Figure 10,11,12, including by front drivers' cab 1, after Drivers' cab 2 and the compartment constituted positioned at middle machine chamber 3, positioned at forecarriage 4, the trailing bogie 5 at compartment lower section two ends And its I wheel is taken turns to 9 to 7, III wheel to 6, II wheel to 8, IV, also comprising power drive system, heat radiator assembly 10, is made Industry platform 11, driver control console 12, auxiliary device, power drive system and heat radiator assembly are arranged in machine room;Such as Fig. 1, 2nd, shown in 3, wherein each bogie includes framework, body supporting device 14, traction apparatuss 15 of the straddle seat on PC beams 13, framework Generally " Π " font all steel group welding plate formula box-structure, material is Q345B, with enough strength and stiffness, such as Fig. 4,5,6 It is shown, comprising the curb girder positioned at PC beam orbits both sides, the end carriage 16 being connected between curb girder both upper ends thereof, it is connected to curb girder top Center sill 17 between center and four longerons 18 being connected between two butt beams and center sill, curb girder top It is respectively fixed with the corresponding two groups of motor brackets 19 in position between respective longerons, I wheel is to, II wheel to installed in rear steering On two groups of motor brackets of frame, III wheel to, IV wheel on two groups of motor brackets of forecarriage, wherein II Wheel pair and III wheel are to being above separately installed with one group of wheel-side motor I 20 and one group of wheel-side motor II 21, and I wheel is right to, IV wheel Upper installation normally closed type disk brake;Four directive wheel assemblings 22 are installed in curb girder middle part both sides, and bottom both sides are installed two and stablized Wheel assembling 23;Body supporting device is steel circle spring assembling using two, and body supporting device is symmetrically mounted on centered on center sill Curb girder top both sides;Traction apparatuss adopt centre of pull pin, and installed in center sill middle part, bogie is by centre of pull pin and car The bearing-type underframe connection in railway carriage or compartment;Integral lifting connecting rod 52 is fixed with end carriage.
Power drive system includes the electromotor 24, transfer case being fixed on by damping installation seat on compartment bearing-type underframe 25th, on transfer case traveling pump 26, operation pump, donkey pump and comprising one group of wheel-side motor I and one group of wheel-side motor IIth, emergent electrodynamic pump 27, flushing valve 28, switch valve I 29, switch valve II 30, switch valve III 31, switch valve IV 32, freewheel valve I 33rd, the closed type hydraulic system of freewheel valve II 34, as shown in figure 16, traveling pump adopts hydrostatic running shaft orientation plunger variable pump, It is a kind of inclined disc type variable pump, there is overload protection and high pressure cut-off function, flow is directly proportional to rotating speed and discharge capacity is driven, with electrically Ratio joystick controls its stepless variable and changes hydraulic oil flow direction so as to realize the high low speed of car load and forward and reverse traveling.Wheel side Motor I and wheel-side motor II adopt radial plunger double-speed motor, hydrostatic running shaft orientation plunger variable pump A mouths to pass through high-pressure oil pipe The C mouths of wheel-side motor I of two parallel connections are coupled with II wheel, the C mouths of wheel-side motor II of two parallel connections are coupled with III wheel;It is hydrostatic Traveling shaft orientation plunger variable pump B mouths are coupled with II wheel by high-pressure oil pipe to the D mouths of wheel-side motor I of two parallel connections, with III wheel The D mouths of wheel-side motor II of two parallel connections are coupled, two groups of each independent basic enclosed hydrostatic circuits, flushing valve and motor is constituted In being parallel to loop, switch valve III constitutes control valve group with freewheel valve I, controls wheel-side motor I, switch valve IV and freewheel valve II constitutes control valve group, controls wheel-side motor II, and switch valve III, switch valve IV are automatically controlled pilot valve, when switch valve III, switch valve IV it is electric when, plunger displacement pump control mouth produce hydraulic coupling cause freewheel valve I or freewheel valve II in working position so that plunger displacement pump A, B mouth connect with C, D mouth of each group wheel-side motor, system is in running order;When switch valve III, switch valve IV must not electricity When, C, D mouth emptying of each group wheel-side motor, system is in freewheel state.Freewheel valve I or freewheel valve II are particular design Valve block, there is damping buffering position between freewheel position and working position, it is ensured that from freewheel position to working position or from work to freedom Wheel position is linear smoothing transition when switching, it is ensured that car load operates steadily, safety.In said structure, II wheel pair is right with III wheel, One group of wheel-side motor is respectively installed, respectively has a set of control valve group, when vehicle does not start, switch valve(7.3、7.4)Must not be electric, two groups Wheel, can be by running under power to being freewheel pair;When vehicle normally starts, switch valve III, switch valve IV electric, two groups of wheels pair Active wheel pair is, can normally be run;When II wheel pair has one to break down with the centering of III wheel, can independent roof-cut resistence valve III or the signal of telecommunication of switch valve IV so as to which the wheel of control is to for freewheel pair, another set is active wheel pair, it is ensured that vehicle is normally transported OK.
Switch valve II is displacement control electromagnetic valve, and after vehicle is started with low-speed big, controllable switch valve II obtains electric, Plunger displacement pump control mouth pressure causes wheel-side motor I, wheel-side motor II to take over seamlessly for half displacement mode, and the motor is that one kind is aimed at The radial plunger double-speed motor of walking machine design, its starting torque is big, and in locomotive low speed high torque can be exported;And When locomotive needs low torque high-speed cruising, hydraulic fluid can only be delivered in the general stroke of motor piston by operation valve, And it is another as hydraulic fluid is continuously circulated in stroke, should the pattern of " reduction discharge capacity " reduce stream required during high speed Amount, reduces cost, it is noted that efficiency, improves car load max. speed.Switch valve I is control for brake electromagnetic valve, and switch valve I is not It is electric, I wheel causes vehicle in on-position to the normally closed type disk brake of upper installation to, IV wheel by spring force, Shut down automatic parking brake;When vehicle need operation when, switch valve I it is electric, plunger displacement pump control mouth pressure cause I wheel to, IV wheel is in relieved state to the normally closed type disk brake of upper installation, car load can free-running operation, controlling switch valve I must not electricity And coordinate hydraulic pump discharge to complete service brake by controlling.Emergent electrodynamic pump pressure port couples with the oil-in of switch valve I, it is ensured that When plunger displacement pump breaks down, the pressure oil produced by emergency pump so that disk brake is alleviated, it is ensured that vehicle tows requirement.
As shown in figure 16, car load open type hydraulic system is mainly duplex pump 57, drives the revolution of heat radiator assembly 10, complete Into each system radiating demand.Duplex pump drives each oil cylinder of job platform, the actions such as the overhanging, upset of platform is completed, wherein outer with group Stretch and be respectively arranged with oil cylinder syncmotor 60, diverter is respectively arranged with overturning oil cylinder, it is ensured that with the synchronicity that each oil cylinder of group is flexible.
As shown in figure 4, curb girder is the demountable structure being made up of top side rail 35 and bottom side rail 36, top side rail and bottom side rail it Between connected by two holding pins 37 and a centre of location pin 38, four directive wheel assemblings are arranged on top side rail, and two are steady Fixed wheel assembling is arranged on bottom side rail, by the way that two holding pins are unloaded, unclamps the mode of a certain amount of centre of location pin to downside Beam rotates, and the lifting of Operation Van can be carried out on PC beams, it is not necessary to dismantle steady wheel, and side ladder is also equipped with upper and lower curb girder.
As shown in fig. 7, body supporting device 14 is by lower spring cup 14.1, outer spring 14.2, inner spring 14.3, upper spring Seat, screw 14.4, stay-bolt 14.5, break-in plate 14.6, fixed plate 14.7 and pressing plate 14.8 are constituted, break-in plate by screw with Curb girder is fixed, and planar friction structure is adopted between lower spring cup and break-in plate, and coats grease layer, is easy to turning for bogie To.Two is that steel circle spring is arranged on framework top both sides by the screw of 9 pieces of M12, then is Ф by 4 stay-bolts and external diameter The railway locomotive of 180mm is connected with standard steel circle spring with curb girder, realizes damping of the Operation Van in running, and two is steel circle Spring is also the supporting arrangement of car-body of operation car, and its vertical natural bow is 40mm.
As shown in figure 8, I wheel to, II wheel to, III wheel to, IV wheel centering travelling wheel 39 for inflated with nitrogen rubber Glue rail tyre, it is cushioning effect to play one, and on engineering wheel 40, wheel-side motor I 20 and the one end of wheel-side motor II 21 are pacified It is mounted on the wheel hub in engineering wheel, torque is transmitted by wheel hub, the other end is connected with mounting seat 41, mounting seat passes through 10 M20×50(10.9)Closely-pitched fastening bolt be arranged on motor bracket 19 on, traveling tire from Michelin production model 345/85 R16XPMA TL pneumatic tires, its major parameter is as follows:A diameter of 1006mm, standard is intrinsic pressure for 880kPa;Motor is selected With the motor that form is single amount internal detent, install simple and convenient, safe and reliable;Wheel adopts engineering truck wheel assembly, its Middle wheel rim specification is:16×9.5V;Because motor and traveling tire are independent running gear, therefore traveling tyre dismounting side Just, the motor mount bolt of side need to only be unclamped and just can easily be dismantled by same dismounting motor.
As shown in figure 9, directive wheel is Operation Van is turned to by the way when crossing bend, steady wheel is prevented when Operation Van turns to Vehicle topples.Directive wheel assembling 22, steady wheel assembling 23 is comprising the mounting bracket 42 fixed with top side rail, real core rubber tyre 43rd, wheel rim 44, pull bar 45, axle 46, bearing block 47, bearing 48, spring 49 and spring base 50, real core rubber tyre, wheel rim pass through Bolt couples with wheel hub and is bearing on bearing and bearing block, and shaft end is by pull bar, spring, spring base and mounting bracket connection Connect, the decrement of spring crosses maximal tensility during bend more than Operation Van.Directive wheel on each bogie leads to steady wheel Crossing the pretightning force of the spring applying that external diameter is 91mm makes its moment be close to PC beam sides, and arranges the decrement of spring more than operation Car crosses maximal tensility during bend, thus vehicle is on straight road and bend when running, directive wheel and steady wheel all the time not from PC beams face is opened, makes vehicle operation safe, steady.
The intermediate symmetry of two butt beam 16 installs rescue wheel 51, and rescue wheel has the single-row of contact rubber oil sea using bilateral Filling lithium base grease in deep groove ball bearing, bearing.Specification is 250 × 300mm of φ, when there is travelling wheel and blowing out, the steering The two rescue wheels installed on frame are supported on immediately on PC beams, support whole vehicle, are easy to rescue traction.Rescue wheel is in Jing Normal not use state, in order to ensure normally to be used during accident, rescue wheel has the single-row of contact rubber oil sea using bilateral Filling lithium base grease in deep groove ball bearing, bearing, the grease has rust-preventing characteristic, and it is -35 DEG C~+110 to be suitable for running temperature DEG C, permanent lubrication, service free.
As shown in Figure 13,14, compartment adopts monolithic construction compartment, comprising compartment skeleton 53, external covering board 54, compartment interior trim 55th, floor 56, compartment skeleton is designed using the caged being made up of bearing-type underframe and type steel skeleton, there is enough rigidity and intensity It is to meet car load traction to require to carry operating personnel, compartment steel construction is carried out using the large-scale FEM analysis software of computer Careful analysis, under the principle of equal strength so that the material property of machinery is fully utilized, by reducing plate at intensity affluence The means such as thickness, improved structure so that car load is being suitable in strength range, and compartment is in everywhere more suitable one under each operating mode The stress level of cause.Complete vehicle quality is reduced by thickness of slab, change structure, adjustment of section etc., FEM analyses is carried out to underframe, Stress distribution is determined, on the premise of its distribution is not changed, in support zones such as various flap seats, crossbeam, longerons loss of weight is opened up Hole, the method using material is removed so that complete vehicle quality is greatly lowered is conducted oneself with dignity lighter.Spraying damping in compartment skeleton Slurry, filling fire proofing;Exterior skin covers paving using the tensioning of 0.8mm~1.5mm steel plates;Compartment interior trim adopts fiberglass interior trim;Ground Plate adopts artboard sandwich structure composite floor boards, sound insulation, fire-retardant, lightweight, 100% low-floor structure design to release car Railway carriage or compartment space.

Claims (9)

1. a kind of straddle-type monorail Operation Van of four pairs of wheel constructions, is characterized in that including by front drivers' cab(1), rear drivers' cab(2) And positioned at middle machine chamber(3)The compartment of composition, positioned at compartment lower section two ends forecarriage(5), trailing bogie(4)And Its I wheel is right(6), II wheel it is right(7), III wheel it is right(8), IV wheel it is right(9), it is also total comprising power drive system, radiator Into(10), job platform(11), driver control console(12), auxiliary device, power drive system and heat radiator assembly are arranged on machine In device room;Wherein each bogie includes straddle seat in PC beams(13)On framework, body supporting device(14), traction apparatuss (15), framework generally " Π " font all steel group welding plate formula box-structure, comprising positioned at PC beam orbits both sides curb girder, be connected to End carriage between curb girder both upper ends thereof(16), the center sill that is connected between curb girder central upper portion position(17)And connect respectively Four longerons between two butt beams and center sill(18), it is respectively fixed with position between curb girder top and respective longerons corresponding Two groups of motor brackets(19), I wheel to, II wheel to installed in trailing bogie two groups of motor brackets on, III wheel to, IV Position wheel is to being arranged on two groups of motor brackets of forecarriage, wherein II wheel pair and III wheel are to being above separately installed with one group of wheel Side motor I(20)With one group of wheel-side motor II(21), I wheel to, IV wheel to it is upper installation normally closed type disk brake;In curb girder Portion both sides are installed by four directive wheel assemblings(22), two steady wheel assemblings are installed in bottom both sides(23);Body supporting device is adopted Two is steel circle spring assembling, and body supporting device is symmetrically mounted on curb girder top both sides centered on center sill;Traction apparatuss are adopted Centre of pull pin, installed in center sill middle part, bogie is connected by centre of pull pin with the bearing-type underframe in compartment.
2. a kind of straddle-type monorail Operation Van of four pairs of wheel constructions according to claim 1, is characterized in that PWTN System includes the electromotor being fixed on by damping installation seat on compartment bearing-type underframe(24), transfer case(25), installed in transfer Traveling pump on case(26), operation pump, donkey pump and comprising one group of wheel-side motor I and one group of wheel-side motor II, emergent electronic Pump(27), flushing valve(28), switch valve I(29), switch valve II(30), switch valve III(31), switch valve IV(32), freewheel valve Ⅰ(33), freewheel valve II(34)Closed type hydraulic system, traveling pump adopt hydrostatic running shaft orientation plunger variable pump, take turns side horse Up to I and wheel-side motor II adopt radial plunger double-speed motor, hydrostatic running shaft orientation plunger variable pump A mouths by high-pressure oil pipe with II wheel couples to the C mouths of wheel-side motor I of two parallel connections, and the C mouths of wheel-side motor II of two parallel connections are coupled with III wheel;It is hydrostatic walk Row shaft orientation plunger variable pump B mouths are coupled with II wheel by high-pressure oil pipe to the D mouths of wheel-side motor I of two parallel connections, right with III wheel The D mouths of wheel-side motor II connection of two parallel connections, constitutes two groups of each independent basic enclosed hydrostatic circuits, flushing valve and wheel side horse It is parallel in loop up to I, wheel-side motor II, switch valve III constitutes control valve group with freewheel valve I, controls wheel-side motor I, switch Valve IV constitutes control valve group with freewheel valve II, controls wheel-side motor II, and switch valve III, switch valve IV are automatically controlled pilot valve, are opened Pass valve II is displacement control electromagnetic valve, and switch valve I is control for brake electromagnetic valve, electrodynamic pump pressure port of meeting an urgent need and the oil-feed of switch valve I Mouth connection.
3. the straddle-type monorail Operation Van of a kind of four pairs of wheel constructions according to claim 1 and 2, it is characterized in that curb girder be by Top side rail(35)And bottom side rail(36)The demountable structure of composition, passes through two holding pins between top side rail and bottom side rail(37)With A piece centre of location pin(38)Connection, four directive wheel assemblings are arranged on top side rail, and two steady wheel assemblings are arranged on downside Liang Shang.
4. a kind of straddle-type monorail Operation Van of four pairs of wheel constructions according to claim 1 and 2, is characterized in that car body is supported Device(14)It is by lower spring cup(14.1), outer spring(14.2), inner spring(14.3), upper spring seat, screw(14.4), pull bar Bolt(14.5), break-in plate(14.6), fixed plate(14.7)And pressing plate(14.8)Composition, break-in plate is consolidated by screw with curb girder It is fixed, planar friction structure is adopted between lower spring cup and break-in plate, and coat grease layer.
5. the straddle-type monorail Operation Van of a kind of four pairs of wheel constructions according to claim 1 and 2, it is characterized in that I wheel to, II wheel to, III wheel to, IV wheel centering travelling wheel(39)For the rubber wire tire of inflated with nitrogen, installed in engineering wheel (40)On, wheel-side motor I(20)With wheel-side motor II(21)One end be arranged on engineering wheel in wheel hub on, the other end with install Seat(41)Connection, mounting seat is arranged on motor bracket by closely-pitched fastening bolt(19)On.
6. a kind of straddle-type monorail Operation Van of four pairs of wheel constructions according to claim 3, is characterized in that directive wheel assembling (22), steady wheel assembling(23)Comprising the mounting bracket fixed with top side rail(42), real core rubber tyre(43), wheel rim (44), pull bar(45), axle(46), bearing block(47), bearing(48), spring(49)And spring base(50), real core rubber tyre, wheel Rim is coupled and is bearing on bearing and bearing block by bolt with wheel hub, and shaft end is by pull bar, spring, spring base and installation Frame couples, and the decrement of spring crosses maximal tensility during bend more than Operation Van.
7. a kind of straddle-type monorail Operation Van of four pairs of wheel constructions according to claim 1 and 2, is characterized in that two butt beams (16)Intermediate symmetry installs rescue wheel(51), the single-groove grooved ball bearing that wheel has contact rubber oil sea using bilateral is rescued, Filling lithium base grease in bearing.
8. a kind of straddle-type monorail Operation Van of four pairs of wheel constructions according to claim 1 and 2, is characterized in that solid on end carriage Surely there is integral lifting connecting rod(52).
9. a kind of straddle-type monorail Operation Van of four pairs of wheel constructions according to claim 1 and 2, is characterized in that compartment is adopted Monolithic construction compartment, comprising compartment skeleton(53), external covering board(54), compartment interior trim(55), floor(56), the employing of compartment skeleton The caged being made up of bearing-type underframe and type steel skeleton is designed, spraying damping slurry, filling fire proofing in compartment skeleton;Exterior skin Covered using the tensioning of 0.8mm~1.5mm steel plates and spread;Compartment interior trim adopts fiberglass interior trim;Tied using artboard sandwiches on floor Structure composite floor board.
CN201410818974.0A 2014-12-25 2014-12-25 Straddle type single-track operating vehicle with four-wheel-pair structure Active CN104554290B (en)

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