CN2227671Y - Road roller - Google Patents

Abstract

The utility model relates to a road roller, which has the advantages of small exterior size, light self-weight and high transmission efficiency for more than 30%, compared with the existing road rollers at home and abroad. A through-shaft supports two vibrating wheels with the distance of no more than 5 millimeters to combine driving wheels and the vibrating wheels into a whole. A middle active hinged frame which divides the road roller into a working part and a pushing part is removed and the internal vibration of the vibrating wheels is changed into external vibration. One shaft which is vibrated at 360 DEG is changed into two shafts which are vertically vibrated, and a set of reverse mechanism is added to drive. Therefore, the road roller achieves steering in the original place with the turning radius of null and lies in a leading position in the manufacturing industry for road rollers.

Description

New-type road roller

The utility model relates to a kind of road roller tool equipment, specifically a kind ofly is used for the new-type road roller that compacting ground, road surface are used.

As you know, at present domestic and international general path pressuring equipment is three-wheel static roller and two kinds of forms of three-wheel radial type vibratory roller.Preceding a kind of form road roller (seeing Fig. 1,2), be connected on the frame 19 by an axis 16 by two driving wheels 15, the deflecting roller 20 of front links to each other with frame 19 by the active framework 23 of a cover, be contained in motor 1 transfer gear box 7 on the frame 19, the bull gear of two driving wheels, 15 inboards, pinion drive frame 19 both sides on the differential mechanism semiaxis of gearbox final stage is a driving gear set 14, makes two driving wheels advance, retreat and turn to.This machine is by the deadweight compacting of self, and two driving wheels are as the compact wheel of this machine, and weight accounts for 65% of full machine gross weight, and the weight of deflecting roller (front-wheel) has accounted for 35% of whole machine weight, but only plays supporting and guide effect; Because two driving wheel branches are located at the frame both sides, walking ground later presents the twice groove, so will flatten a work plane compacting, its efficient is very low, and pressure is also littler.

The three-wheel radial type vibratory roller (see figure 3) that early seventies occurs, the supporting directive wheel 20 of preceding machine widened becomes vibratory compaction wheel 27, center dress eccentric shaft in this takes turns, by the vibratory compaction power of fluid motor-driven generation high frequency large amplitude, two driving wheels change the usefulness that rubber tyre is specially done driving into; The frame 19 of this machine is divided into two, compact wheel 27 places be front frame, driving wheel 15 places be the back vehicle frame, the centre adds an active body cradle 24 and links to each other, the weight of front and back wheel respectively is 50%.It is to refill a fluid motor-driven on the vibrating wheels 27 that the eighties develops into full driving again, weight on the vibratory compaction of the working portion wheel can be brought up to about 60% like this, the highest level in the world is that Sweden CA51 type machine also only reaches 63% at present, and homemade single driving machine only reaches about 45%.The major defect of this type:

1, because drive part does not play compaction, so construction weight is big.

2, the vibration transmission of radial type can only could be passed to front truck from the back car with hydraulic pressure, adds that the hydraulic drive gross efficiency of travelling is 65% only, and energy waste is big.

3, manufacturing technology complexity, cost height, maintenance difficulty.

4, be divided into two vehicle frames after, overall dimensions are big.

The purpose of this utility model is exactly the shortcoming that overcomes existing type, dwindles the volume of complete machine, alleviates the weight of inoperative part, and the pivot turn of a kind of energy is provided, and can enter the new-type road roller of little work plane work.

The realization the technical solution of the utility model is: at the outside of two vibrating wheels device one vibrating grid, pass two vibrating wheels centers and be bearing on the vibrating grid with an axis, vibration source is installed on the vibrating grid, this vibration source links by vibration travelling gear belt wheel group and motor head output shaft, and vibration source is an eccentric shaft, also can be two and be arranged in parallel and intermeshing eccentric shaft, so that realize vertical vibration; Output axle head at the automobile gearbox that links to each other with motor by main clutch is provided with the identical reversing clutch of two covers, they connect together by a flute profile belt wheel group and carry out transmission, the output shaft of this reversing clutch links to each other with two positive drive gears with umbrella gear box by a Cardan shaft, and these two gear trains are fixedlyed connected with two driving wheels respectively, so that make the rotation of motor be transferred to vibrating wheels by these devices, make two vibrating wheels become driving wheel again, both can rotate in the same way and travel, also can backward rotation travel, more can differential and anti-speed turn to; The simple universal bogie wheel of a servo-actuated is housed on frame.The more former deflecting roller of its weight reduces greatly, and the both sides that the rubber damping piece are placed on vibrating wheels are between vibrating grid and the frame, so that the vibration that frame is subjected to is kept to minimum and dwindled the integral width of frame, thereby has special good flanging performance.

If an oil pump is with in motor rear end output, make this oil pump drive two hydraulic motors by high-pressure hose, this motor transmission respectively is installed in the positive drive gear train of vibrating wheels both sides, then can realize hydraulic drive, makes vibrating wheels produce same driving effect.

The axis that passes two driving wheels also can be bearing on the frame of road roller, and remove vibrating grid, vibration source and damping block this moment, just can manufacture a kind of new-type static pressure type road roller.

Compare with existing several road rollers, the advantage that the utlity model has is:

1, driving wheel and vibrating wheels unite two into one, and have alleviated the deadweight and the volume of road roller, and the ratio of working portion weight and complete machine weight is brought up to about 90% by present 45-63%, have made same type weight saving 1/3rd.

2, the gap≤5mm of two vibrating wheels has overcome the shortcoming that the twice groove appears in static pressure three-roll road roller work ground.

3, because the vibration transmission of this machine direct transfers for the flute profile band, it is higher more than 30% than radial type hydraulicefficiency, has saved the energy greatly.

4, overall dimensions are little, and overall length shortens to 3.5m by 6m, and height and width all have and reduce, in addition can pivot turn, so can enter narrow work plane easily.

5, the vibration source of new-type road roller is outside vibrating wheels, and the vibration source transmission is without hydraulic pressure, so make with maintenance all more convenient.

Than radial type type smooth running, do not destroy ground surface material when 6, this machine adopts vertical twin shaft transmission vibration, be specially adapted to pavement compaction machinery.

Below in conjunction with the embodiment of accompanying drawing and two kinds of form road rollers the utility model is done and to be described in further detail.

Fig. 1 is the external form figure of static pressure three-roll road roller.

Fig. 2 is the floor map of static pressure three-roll road roller.

Fig. 3 is a radial type three-wheel vibratory roller.

Fig. 4 is the utility model plane transmission diagram.

Fig. 5 is new-type road roller external form figure (vibrating type).

Two eccentric shaft installation site schematic diagrames when Fig. 6 is the twin shaft vertical vibration.

Embodiment 1: the outside that the separately frame 19 of two vibrating wheels 15 shown in Fig. 2 is moved on to two vibrating wheels 15, make two vibrating wheels near placing (gap≤5mm), changing two vibrating wheels is supported on respectively on the frame to allow an enough big axis 16 of rigidity pass two vibrating wheels center (see figure 4)s, and make this axis 16 be bearing in (see figure 5) on the vibrating grid 17, two vibration sources 4 are housed on the vibrating grid 17, they are associated in together by shaft coupling 5, vibration source 4 links by the front end output axle bed 2 of vibration transmission flute profile belt wheel group 3 with motor 1, compare with 65% the efficient that the radial type hydraulic drive reaches, can make the vibration transmission efficiency bring up to 98%, being equipped with two in vibration source 4 intermeshes, the gear 25 that size is identical, these two gears drive two eccentric shafts 26 that size is identical respectively, at vibrating grid 17 and 19 of frames polylith rubber damping piece 18 is housed, and is to be contained in the both sides of vibrating wheels 15 to reduce Outside Dimensions; The box of tricks of running part in the existing type of cancellation, set up the reversing clutch 9 of two cover same structures (or with a hydraulic pump at the output of the automobile gearbox 7 that links to each other with motor 1 on being installed in frame 19 by main clutch 6, two hydraulic motors are to replace automobile gearbox, fall along case, umbrella gear box is to realize hydraulic drive), 9 of two reversing clutches connect with shaft joint 10, and reversing clutch 9 is connected with automobile gearbox 7 usefulness flute profile belt wheel groups 8, the axle of reversing clutch 9 is by two groups of Cardan shafts 11, umbrella gear box 12 respectively with the positive drive gear train 13 that is connected in the vibrating wheels two ends, 14 connect, and driving gear set 14 is connected with vibrating wheels 15 and transmission; Directive wheel in map interlinking 1 type cancellation is changed to the universal joint bogie wheel 20 of the servo-actuated among Fig. 5 again, and to make its weight be that the deadweight with about 25% moves on on the vibrating wheels 15 by 35% being kept to about 10% of accounting for complete machine originally, and bogie wheel 20 is connected on the frame 19; For reducing vibration, driving damping block 21 is housed at bridge 22 and 19 of frames.

Under the working condition, see Fig. 4, the vibrating shaft of motor 1 vibration source 4 on the vibration transmission flute profile belt wheel group 3 transmission vibration framves 17 on the front end output axle bed 2 makes it produce the vibration of high frequency large amplitude.Because vibration source 4 is gear 25 transmissions by two identical sizes of the identical eccentric shaft 26 of two parallel placements, size, such two eccentric shafts 26 just produce equal and opposite in direction, rotation that direction is opposite, the eccentric moment of two eccentric shafts equates, when eccentric block up and down the time, both directions are identical, and its vibration force is addition, when about eccentric block during (level) direction both directions be opposite, vibration force is subtracted each other because the two equates, so itself and be zero.Vibration source 4 drives vibrating grid 17 vibrations, and vibrating grid 17 drives axis 16 vibrations on it, and this axis 16 drives vibrating wheels 15 vibrations near two identical sizes that lay again, has just constituted the vibratory compaction to ground.

Motor 1 rear end links by main clutch 6 and automobile gearbox 7, the flute profile belt wheel group 8 of this case output shaft drives motor back upper place two and falls along case 9, this two falls along case from motor two ends crankshaft axis to upload to vibrating wheels 15 both sides, by falling output shaft along case 9 through Cardan shaft 17 transmission both sides umbrella gear box 12, the positive drive gear 13,14 of transmission two vibrating wheels 15 both sides makes two vibrating wheels each is self-driven again.

If a Variable plunger pump is with in the output of motor 1 rear end, to drive two vibrating wheels, just can realize the hydraulic-driven of electrodeless variable-speed by two variable piston motors on the side travelling gear of high-voltage tube transmission vibration wheel both sides.

When handle two reversing clutches 9 simultaneously forward the time road roller advance, road roller retreats backward the time simultaneously; One forward, one when the centre position 15 one of two vibrating wheels motionless, one travel forward and realize general differential steering; One forward, two driving wheels backward the time produce anti-speed and rotate, road roller is realized pivot stud (turning radius is zero), just can enter narrow work plane easily.

At the universal bogie wheel 20 of the back of frame 17 device, when two vibrating wheels 15 produced differential or anti-speed running, it was made pivot stud along with turning to of frame 17 and freely rotates; When two vibrating wheels 15 along advance, when direction of retreat is travelled, this bogie wheel supported mechanical is moved gently.

Between vibrating grid 17 and frame 19 the polylith rubber damping piece 18 of filling make high frequency large amplitude on the vibrating grid have 95% isolated and on passing less than frame what.Owing between bridge 22 and the frame 19 21 vibration isolation of rubber damping piece are arranged again, make from the vibration of motor 1 with from can not passing on the bridge 22 through 5% residual oscillation behind the vibration damping on the vibrating grid 17, thus in the operating mode driver feel safe, comfortable, the glad use.

Embodiment 2: the axis that passes two vibrating wheels 15 16 among Fig. 5 is changed into be supported on the frame 19, remove vibrating grid 17, vibration source 4, rubber damping piece 18, other transmission systems are constant, then can produce a kind of static pressure road roller, the operating mode situation is the same, repeats no more.

Claims (4)

1, a kind of new-type road roller is made up of two vibrating wheels, frame, motor, clutch, gearbox, rubber damping piece, bridge etc., it is characterized in that:

(1), at two vibrating wheels (15) outside device one vibrating grid (17), an axis (16) is passed at two vibrating wheels (15) center, this axis is bearing on the vibrating grid (17), be placed with vibration source (4) on the vibrating grid (17), vibration source (4) links to each other by the front end output axle bed (2) of the vibration same motor of travelling gear belt wheel group (3) (1);

(2), the output axle head at the automobile gearbox (7) that links to each other with motor (1) by main clutch (6) is equiped with the identical reversing clutch (9) of two covers, they connect together by flute profile belt wheel group (8) and carry out transmission, the output shaft of this reversing clutch (9) links to each other by Cardan shaft (11), umbrella gear box (12) and two the positive drive gear trains (13) that are connected with vibration two-wheeled (15) respectively, (14), make two vibrating wheels (15) become driving wheel again, both can travel in the same way, also can incorgruously travel;

(3), the simple universal bogie wheel (20) of one servo-actuated is housed on frame (19), the both sides that rubber damping piece (18) is placed on vibrating wheels (15) are between vibrating grid (17) and the frame (19), with the dimension width that reduces to pass to the vibration on the frame and dwindle complete machine.

2, new-type road roller according to claim 1 is characterized in that: vibration source (4) can be two and be arranged in parallel and intermeshing eccentric shaft (26), thereby realize vertical vibration.

3, new-type road roller according to claim 1, it is characterized in that: can also connect an oil pump afterwards in motor (1), make this oil pump drive two hydraulic motors and realize hydraulic drive with positive drive gear train (13), (14) that transmission is installed in vibrating wheels (15) both sides by high-pressure hose.

4, new-type road roller according to claim 1 is characterized in that: axis (16) also can be bearing on the frame (19).

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