CN2514032Y - Double material inlet traction-type paver - Google Patents

Abstract

The utility model relates to a pulling type road material spreading machine with two feeding openings which is dragged and pulled by a tractor; a traction frame (19) is connected with a beam (4); both sides of the front end of the beam (4) are provided with four pushing pulleys (1), which are respectively mounted on both sides above the front of the beam (4); each set of the pushing pulley (1) is corresponding to the sloping opening of a self-unloading vehicle; the back lower part of the beam (4) is provided with a support wheel which is used to walk on the ground, both ends of the beam (4)(the outer sides of the sloping opening of a self-unloading vehicle) are respectively provided with a pulling guide rail (2); the pulling guide rail (2) are integrated with the beam (4); a pulling side arm (6) is guided up and down and pulled forward by the pulling guide rail (2) through traction wheels (3); an adjusting oil cylinder (9) capable of adjusting the height of the front end of the pulling side arm (6) is arranged between the front part of the pulling side arm (6) and the upper part of the pulling guide rail (2); the pulling side arm (6) and a spreading board (7) are movably connected. The utility model has advantages of simple structure, convenience in use and wide spreading range.

Description

A kind of double-inlet drawing type road surface material paving machine

The utility model relates to a kind of double-inlet drawing type road surface material paving machine, is mainly used in road surface base layer material is evenly entirely paved on the ground.

As everyone knows, present road surface base layer material is laid, and except that adopting manually, also adopts land leveller, bulldozer etc. to pave, and this mode subject matter is inefficiency, poor flatness.When adopting asphalt paver to pave, subject matter is the equipment price costliness, and the another one problem is that equipment attrition is serious.

A kind of paver that China Patent No. " 99115805.9 " " 99115897.0 " proposes is quoted the land leveller principle, and subject matter is that structure is comparatively complicated, and cost is higher relatively.The another kind of paver that China Patent No. " 93108953.0 " proposes, quote the ironing plate of asphalt spreader principle, be provided with one at the screed rear portion and press muller, the problem of this scheme is press to grind operation not resemble the asphalt paver in dull and stereotyped the place ahead but because structural limitations can only be located at the screed rear, press the raising of grinding the back planeness to be very restricted like this, this scheme practical effect also illustrates, adds to press behind the muller planeness not improve to greatly reduce on the contrary.Be exactly that this scheme weight is excessive in addition, complex structure is because drive not itself is used quite inconvenience.In addition, the problem that also exists of above-mentioned several scheme is exactly that paving width is too narrow.

Number of patent application 01265789.1 has proposed a kind of double-inlet drawing type road surface material paving machine, the problem that this machine exists is to drag the side arm front end and relies on sliding guide sleeve to draw, between hitch frame and the forebay for being movably hinged, make sliding guide sleeve be in unbalanced stress all the time like this, cause sliding guide sleeve abrasion deformation and requirement on machining accuracy height, difficulty big easily.

The purpose of this utility model provides a kind of double-inlet drawing type road surface material paving machine, and it has the following advantages: (1) is simple in structure; (2) in light weight; (3) easy to use, planeness is high; (4) paving width is big.

For achieving the above object, a kind of double-inlet drawing type road surface material paving machine that the utility model provides is achieved in that mainly by hitch frame, two groups of pushing tow rollers, crossbeam, support wheels, drag guide rail, traction wheel, adjustment oil cylinder, spreading plate, feeder hopper type open slot, feeding-distribution device etc. forms, its primary structure is: the traction shelf is arranged at the central part of crossbeam, and being linked to be an inflexible integral body with crossbeam, two groups of pushing tow rollers are installed in position, both sides, the place ahead and each corresponding dump truck inlet orifice of crossbeam respectively; Support wheel is installed in the back lower place of crossbeam, dragging guide rail and crossbeam is connected into one and is arranged on the inlet orifice sidepiece, drag the side arm front portion by dragging the guide rail location and dragging, side arm is anterior and drag and be provided with one between the guide rail top and can adjust the adjustment oil cylinder that drags side arm front end height dragging, dragging side arm extands rearward to spreading plate both sides and is connected with spreading plate, this spreading plate lower plane is dull and stereotyped, and dull and stereotyped fore-and-aft direction length can be 50～150 centimetres, generally makes with high-abrasive material.Like this, tractor is by hitch frame and crossbeam Joint, drags side arm and leads up and down and drag to front haulage by dragging guide rail by traction wheel.Spreading plate directly is placed on the scope of operation during operation, form between crossbeam and the spreading plate left and right sides width be about short greater than the front and back of two dump truck width, about long feeder hopper type open slot, the place ahead of spreading plate is provided with the spiral feeding-distribution device.When tractor drags hitch frame forward and then drag crossbeam and drag spreading plate by dragging guide rail by dragging side arm, the preceding dump truck of two dump truck inlet orifices that pushing tow roller on the crossbeam promotes the front tractor both sides advances, these two dump trucks are poured material on the funnel type open slot ground that forms between crossbeam and the spreading plate into while walking, divide to both sides by feeding-distribution device, drag side arm and drag spreading plate material is paved.

Enter material under the spreading plate what by the angle of elevation alpha decision of spreading plate lower plane, it is just many that the elevation angle greatly then enters under the spreading plate material, on the contrary the material that the elevation angle is little then to be entered below the spreading plate is just few, and then decision shop layer thickness.Thereby the change of spreading plate angle of elevation alpha then change to change the height that drags the side arm front end by the stroke that drags guide rail and drag the oil cylinder between the side arm front end to be realized.

Above-mentioned two groups of pushing tow rollers can be directly installed on the crossbeam, certainly also can be installed on two pushing tow turning rollss, each pushing tow turning rolls and crossbeam are hinged, and the pushing tow turning rolls can swing on horizontal plane around pin joint, and each pushing tow turning rolls is corresponding with corresponding dump truck inlet orifice.

For making the turning to of paver can be with the turning to and adjust of driving machinery, support wheel can be set to the universal wheel structure that the wheel carrier front portion of support wheel is hinged by a vertical shaft and crossbeam.

Adjust direction for ease of control, above-mentioned universal wheel structure can be arranged to be adjusted by hydraulic cylinder the steering-type structure of direction.

Above-mentioned dragging between side arm and spreading plate to flexibly connecting is connected with a pin joint and adjusted its relative position by leading screw.

Dragging being connected between side arm and the spreading plate can be that leading screw is positioned at forward position, the position after pin joint is positioned at and leans on.

Certainly, dragging being connected between side arm and the spreading plate also can be that pin joint is positioned at forward position, the position after leading screw is positioned at and leans on.

The position of above-mentioned pin joint is two or three, and in order to adapt to the thickness of paving layer, this pin joint also can be more a plurality of, the position of corresponding leading screw also be two or three or more a plurality of, the articulated manner in its articulated manner and the existing paver is same or similar.

Can respectively be provided with one in each inlet orifice inboard and drag guide rail, drag side arm, adjust oil cylinder.

Also can respectively be provided with one in each inlet orifice outside drags guide rail, drags side arm, adjusts oil cylinder.

Certainly, also can be inside and outside each inlet orifice both sides respectively be provided with one and drag guide rail, drag side arm, adjust oil cylinder.

For making adjustment more accurately convenient, stressed rationally, the connection of the oil pipe in four above-mentioned adjustment oil cylinders between two oil cylinders in the inboard and the outside is parallel connection.This another drag guide rail, oil cylinder, drag the side arm connected mode, principle and the both ends of aforesaid crossbeam are the dump truck inlet orifice outside drags guide rail, oil cylinder, it is similar or identical to drag side arm.

For reaching certain paving width, the spreading plate both sides are extensible to be widened, and add wide way is that mechanical type is widened.

Above-mentioned mechanical type is widened with to have the mechanical type add wide way of using in the asphalt paver now same or similar, promptly connects by bolt, bearing pin, bayonet lock mode and widens.

Certainly, this add wide way also can be telescopic widening.

The above-mentioned telescopic telescopic structure that can be hydraulic cylinder control of widening, to widen structure same or similar with the hydraulic pressure in the existing asphalt paver.

Above-mentioned telescopic widening also can be the leading screw telescopic structure, and leading screw has herein replaced oil cylinder.

Certainly, above-mentioned telescopic widening also can be flexible nested structure, and telescopic has herein replaced oil cylinder.

Above-mentioned flexible shell type is widened structure and is had simple in structure, cheap characteristics.

Spreading plate can be divided into left and right sides two parts, two parts connecting place lower end, the left and right sides is hinged, articulated manner is the bearing pin with the down dull and stereotyped parallel fore-and-aft direction of spreading plate, and an adjusting device that can change angle between the spreading plate of the left and right sides is arranged between the top of connecting place, and this adjusting device is generally leading screw.

The power source of spiral distributor can be from the oil pump-engine system of paver itself.

In order to increase the compactness of paving layer, can be in the front portion of spreading plate, a hammer ram formula construction pressure device identical with structure in the existing asphalt paver established at the rear of feeding-distribution device, driven by eccentric shaft and hits the vibration hammer up-down vibration, and material is carried out compacting.

Certainly, also can above flat board, establish an eccentric vibration mechanism, make dull and stereotyped generation up-down vibration, thereby material is carried out compacting.

In sum, a kind of double-inlet drawing type road surface material paving machine that the utility model proposes has the following advantages: (1), simple in structure, in light weight, with low cost; (2), planeness is easy to adjust accurately; (3), paving width is big.

Be further described below in conjunction with accompanying drawing.

Fig. 1 be pin joint preceding, leading screw after the schematic top plan view of paver.

Fig. 2 be pin joint preceding, leading screw after the schematic side view of paver.

Fig. 3 for leading screw at preceding, pin joint in the back and be provided with the schematic top plan view of the paver of compaction apparatus.

Fig. 4 for leading screw at preceding, pin joint in the back and be provided with the schematic side view of the paver of compaction apparatus.

As Fig. 1, shown in 2, a kind of double-inlet drawing type road surface material paving machine that the utility model proposes drags paver to overtake by tractor by hitch frame (19), hitch frame (19) is positioned at central the place ahead of crossbeam (4) and is linked to be an inflexible integral body with crossbeam (4), hitch frame (19) is connected with crossbeam (4), the position, front end both sides of crossbeam (4) is provided with four pushing tow rollers (1), these four pushing tow rollers (1) are installed in the position, both sides, the place ahead of crossbeam (4) respectively, each corresponding dump truck inlet orifice of every group of pushing tow roller (1) and every group of pushing tow roller (1) are installed on the pushing tow turning rolls (16), the back lower place of crossbeam (4) is provided with the support wheel (11) that walks in ground, and support wheel (11) is installed in the below of supporting wheel carrier (17).The both ends of crossbeam (4) are that the dump truck inlet orifice outside and inboard are respectively established two and dragged guide rail (2), this drags guide rail (2) and is connected as a single entity with crossbeam (4), drag that side arm (6) is anterior locatees and drag by dragging guide rail (2), drag side arm (6) and extand rearward to a spreading plate (7) both sides and be connected with spreading plate (7).Drag side arm (6) and lead up and down and drag to front haulage by dragging guide rail (2) by traction wheel (3), side arm (6) is anterior and drag and be provided with one between guide rail (2) top and can adjust the adjustment oil cylinder (9) that drags side arm (6) front end height dragging; Being positioned at the adjustment oil cylinder (9) in the inlet orifice outside is parallel connection with connecting of oil circuit between the adjustment oil cylinder (9) that is positioned at the inlet orifice inboard.

Above-mentioned dragging between side arm (6) and the spreading plate (7) to flexibly connecting linked to each other with a pin joint (12) and adjusted its relative position by leading screw (5), and wherein leading screw (5) is positioned at forward position, and pin joint (12) is positioned at the position after leaning on; Leading screw (5) has three positions, and corresponding pin joint (12) also has three positions.

Above-mentioned spreading plate (7) is divided into left and right sides two parts, two parts connecting place lower end, the left and right sides is hinged, one adjusting device one leading screw (13) that can change angle between the spreading plate of the left and right sides is arranged between the top of connecting place, the lower plane of spreading plate (7) is dull and stereotyped (14), directly is placed on the scope of operation during operation.Like this, when tractor drags hitch frame (19) to overtake, also guide rail (2) drags side arm (6) and spreading plate (7) moves ahead by dragging by traction wheel (3) to drag crossbeam (4), the two preceding dump trucks of two dump truck inlet orifices that pushing tow roller (1) on the crossbeam (4) promotes the front advance, these two dump trucks are poured material on the ground that forms the wide funnel type open slot (8) in the short left and right sides, front and back between crossbeam (4) and the spreading plate (7) into while moving ahead, the material that enters under the spreading plate (7) is shakeout by spreading plate (7), spreading plate (7) down what of material by the angle of elevation alpha decision of spreading plate (7), thereby decision paving layer thickness.The change of spreading plate (7) angle of elevation alpha then by adjusting oil cylinder (9) thus the change of stroke changes the height that drags side arm (6) front end to be realized.Spreading plate (7) the place ahead is provided with a spiral feeding-distribution device (10) with the below that drags side arm (6), makes the material branch to both sides.

Above-mentioned two groups of pushing tow rollers (1) are linked to each other by hinge with crossbeam (4) by two pushing tow turning rollss (16), and pushing tow turning rolls (16) can be swung on horizontal plane around hinge like this.

For turning to of paver can be turned to the rotation of driving machinery, the wheel carrier (17) of support wheel (11) is anterior to be hinged by a vertical shaft (18) and crossbeam (4), thereby forms the universal wheel structure.

Above-mentioned spiral feeding-distribution device (10) divides material to two rear flank, is spread out by spreading plate (7) and paves.For reaching certain paving width, spreading plate (7) left and right sides connects by bolt widens extension.

As shown in Figure 3, Figure 4, leading screw (5) is positioned at forward position, and pin joint (12) is positioned at the position after leaning on.The place ahead in spreading plate (7), the rear of feeding-distribution device (10) is provided with a hammer ram formula construction pressure device (15), hits the vibration hammer up-down vibration by the eccentric shaft drive material is carried out compacting.

Claims (18)

1, a kind of double-inlet drawing type road surface material paving machine, by two groups of pushing tow rollers (1), crossbeam (4), support wheel (11), drag guide rail (2), drag side arm (6), hitch frame (19), adjust oil cylinder (9), spreading plate (7), feeder hopper type open slot (8), feeding-distribution device (10) etc. and form, it is characterized in that hitch frame (19) is arranged at central the place ahead of crossbeam (4) and is linked to be an inflexible integral body with crossbeam (4), two groups of pushing tow rollers (1) are installed in position, both sides, the place ahead and each corresponding dump truck inlet orifice of crossbeam (4) respectively; Support wheel (11) is installed in the back lower place of crossbeam (4), drag guide rail (2) and join and be arranged on the inlet orifice sidepiece together with crossbeam (4), dragging side arm (6) front portion locatees and drags by dragging guide rail (2), dragging side arm (6) extands rearward to a spreading plate (7) and locates, and be connected with spreading plate (7), drag side arm (6) front portion and drag and be provided with an adjustment oil cylinder (9) between the guide rail (2), the bottom of spreading plate (7) is dull and stereotyped (14) structure, and the place ahead of spreading plate (7) is provided with spiral feeding-distribution device (10).

2, according to a kind of double-inlet drawing type road surface material paving machine of claim 1 defined, it is characterized in that dragging between side arm (6) and spreading plate (7) for flexibly connecting, be connected with a pin joint (12) and adjust its relative position by leading screw (5).

3, according to a kind of double-inlet drawing type road surface material paving machine of claim 2 defined, it is characterized in that dragging side arm (6) and be positioned at forward position with the----leading screw (5) that is connected between the spreading plate (7), pin joint (12) is positioned at the position after leaning on.

4, according to a kind of double-inlet drawing type road surface material paving machine of claim 2 defined, it is characterized in that dragging side arm (6) and be positioned at forward position with the----pin joint (12) that is connected between the spreading plate (7), leading screw (5) is positioned at the position after leaning on.

5, according to a kind of double-inlet drawing type road surface material paving machine of claim 2 or 3 or 4 defineds, it is characterized in that the position of pin joint (12) is two or more, the position of corresponding leading screw (5) also is two or more.

6,, it is characterized in that each inlet orifice inboard respectively is provided with one and drags guide rail (2), drags side arm (6), adjusts oil cylinder (9) according to a kind of double-inlet drawing type road surface material paving machine of claim 1 defined.

7,, it is characterized in that each inlet orifice outside respectively is provided with one and drags guide rail (2), drags side arm (6), adjusts oil cylinder (9) according to a kind of double-inlet drawing type road surface material paving machine of claim 1 defined.

8,, it is characterized in that the inside and outside both sides of each inlet orifice respectively are provided with one and drag guide rail (2), drag side arm (6), adjust oil cylinder (9) according to a kind of double-inlet drawing type road surface material paving machine of claim 1 defined.

9,, it is characterized in that the front portion in spreading plate (7), the rear of feeding-distribution device (10) establish a compaction apparatus (15) according to a kind of double-inlet drawing type road surface material paving machine of claim 1 defined.

10,, it is characterized in that compaction apparatus (15) is hammer ram formula structure according to a kind of double-inlet drawing type road surface material paving machine of claim 9 defined.

11, according to a kind of double-inlet drawing type road surface material paving machine of claim 9 defined, it is characterized in that the anterior compaction apparatus (15) of spreading plate (7) and the following flat board (14) of spreading plate (7) are one, promptly the dull and stereotyped top of spreading plate (7) bottom is provided with eccentric vibrating device.

12, according to a kind of double-inlet drawing type road surface material paving machine of claim 1 defined, it is characterized in that spreading plate (7) is divided into left and right sides two parts, two parts connecting place lower end, the left and right sides that is connected between two parts is hinged, and an adjusting device that can change angle between the spreading plate of the left and right sides is arranged between the top of connecting place.

13,, it is characterized in that extensible the widening in outside portion of spreading plate (7) according to a kind of double-inlet drawing type road surface material paving machine of claim 1 defined.

14, according to a kind of double-inlet drawing type road surface material paving machine of claim 13 defined, it is characterized in that the outside portion extension add wide way of spreading plate (7) is that mechanical type is widened, promptly rely on bolt, bearing pin, bayonet lock mode to connect and widen.

15,, it is characterized in that the outside portion extension add wide way of spreading plate (7) is telescopic widening according to a kind of double-inlet drawing type road surface material paving machine of claim 13 defined.

16,, it is characterized in that telescopicly widening that to adjust controlling organization be screw structure according to a kind of double-inlet drawing type road surface material paving machine of claim 15 defined.

17,, it is characterized in that flexible widening that to adjust controlling organization be the hydraulic jack structure according to a kind of double-inlet drawing type road surface material paving machine of claim 15 defined.

18,, it is characterized in that this widens to adjust to be controlled to be flexible nested structure according to a kind of double-inlet drawing type road surface material paving machine of claim 15 defined.

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