CN2536642Y

CN2536642Y - Multifunctional spreader screeding device

Info

Publication number: CN2536642Y
Application number: CN 02224793
Authority: CN
Inventors: 于槐三; 周琨; 宋关键; 边永茹
Original assignee: Shaanxi Jointank Machinery Group Co Ltd
Current assignee: Shaanxi Jointank Machinery Group Co Ltd
Priority date: 2002-04-19
Filing date: 2002-04-19
Publication date: 2003-02-19
Anticipated expiration: 2012-04-19

Abstract

The utility model relates to a multifunctional ironing device in a pavement spreader, which is characterized in that a twin group vibrating mechanism of an ironing device comprises a vibrator, a vibrating motor, a double eccentric shaft, an eccentric case, a front vibrating beam, a back vibrating beam and a bracket; a camber adjusting mechanism is arranged between a left main ironing frame and a right main ironing frame; a high elevation angle adjusting mechanism comprises the main ironing frames, a traction arm and a thickness adjusting mechanism. The utility model has the advantages that the exciting force is large, the compactness is high, the surface of the ironing layer is smooth, the global rigidity is good, the high elevation angle mechanism is suitable for ironing stabilized soil with high thickness, no negative elevation angle occurs, the ironing quality is guaranteed compared with the prior art.

Description

A kind of multifunction road paver ironing machine

Technical field

The utility model belongs to the road building machinery technical field, relates to the multi-functional ironing machine in a kind of sub-base grader.

Background technology

Ironing machine is the equipment of sub-base grader in the road building machinery, its effect be according to the thickness of setting and width with the material of the place ahead helical feed receive, compacting, ironing, formation has the smooth smooth paving layer of certain degree of compaction, for the road roller grinding forming.The multiple materials such as bituminous concrete, Stabilized Soil if ironing machine can pave by the construction quality requirement have multiple function, are exactly multi-functional ironing machine.The existing paver bituminous concrete that mainly paves.The paver of producing as companies such as company such as external ABG, Fu Gele, Xi Da and build in domestic west, Shan is built, Xuzhou.Have with its designs simplification, remove heater, simplify scraper plate, raise the spiral height, just be called stabilized soil paver.Have with the bituminous concrete paver Stabilized Soil that paves, just be called the multipurpose paver.Such paver is not a multi-functional paver truly because the operation quality (as planeness, degree of compaction, anti-segregation degree, productivity ratio) of the Stabilized Soil that paves is poor, and ironing machine also not exclusively possesses multi-functional characteristics.According to construction technique normalizing and practical experience, the ideal speed of paving of the bituminous concrete that paves is 5-6m/min, and the layering paving thickness is no more than 100mm, and the screed elevation angle is about 1 °; The ideal speed of paving of the Stabilized Soil that paves is 2-3m/min, and the layering paving thickness can reach 400mm, and the screed elevation angle is about 4 °.The so greatly different operating mode that paves, it is irrational that the paver (comprising ironing machine) that uses the bituminous concrete that paves to use is finished several work, has in fact also brought many disadvantages, as out-of-flatness, leakiness, aggregate segregation, productivity ratio is low, and fault is many or the like.Through Chinese patent literature retrieval, find to have in the paver patented technology of ironing machine such as CN86207475, CN89107349, CN91233291 patent, all there is above-mentioned shortcoming in various degree.In addition, the regulated quantity of prior art thickness adjusted mechanism is less than normal, is not suitable for the big thickness Stabilized Soil that paves, and negative elevation angle situation appears in screed often in the work, has a strong impact on spreading quality.Simultaneously, main ironing machine base plate splices, and in centerline seam is arranged, and integral rigidity is poor, and seam is opened when paving, and easily gets stuck, and causes paving layer centre joint plucking, out-of-flatness, rough.

Summary of the invention

At the shortcoming that above-mentioned prior art exists, it is big that the purpose of this utility model provides a kind of exciting force, the degree of compaction height, and the anti-shock loading performance is good, can not produce the negative elevation angle, and the multi-functional ironing machine of can pave ironing Stabilized Soil and bituminous concrete.

In order to reach the utility model purpose, this multi-functional ironing machine adopts the twin beams concrete vibrating mechanism to increase exciting force, reduces to start load.Simultaneously, because different materials, the different speed that paves, different paving thicknesses, the different vibration exciting forces etc. that vibrates, all relevant with the height of hinge before the screed elevation angle and the draft arm with matching, so must possess infinitely variable big-elevation characteristic, with adapt to high thickness, vibrate by force, the paving operation requirement of fast speed.In addition, also to consider to solve the anti-seismic performance of low practical pressure, anti-shock loading and vibrating motor of the plucking phenomenon that the centre joint place of paving layer produces, the motor that vibrates and the reliability of complete machine.Therefore, under this design philosophy instructed, the designed multi-functional ironing machine of the utility model had main ironing machine, widens ironing machine, draft arm.It is characterized in that: main ironing machine is the box component that is welded into steel plate, and top is the main ironing framves 2 of two of left and right symmetry, and a unitary underframe 1 is arranged at the bottom, and two main ironing framves 2 are connected as a single entity; The cavity that main ironing frame 2 bottoms and base plate 1 surround is the combustion chamber of heater, and shower nozzle 6 is installed in main ironing frame rear; Widen ironing machine and be spliced, corresponding vibrator, vibration and heater are all arranged on each widened section by the widened section of all lengths; The twin beams concrete vibrating mechanism of ironing machine by vibrator 13, the motor 15 that vibrates, double-eccentric shaft 18, eccentric bushing 19, the preceding beam 11 that vibrates, after vibrate beam 12, bearing 20 constitute, vibrate between motor 15 and the vibrator 13, be connected by belt between vibrating motor 16 and the vibrator 14, complete machine is provided with the motor 15 that vibrates, in the time of need widening, the axle that vibrates of each widened section connects with hookup, the phase angle of misplace each other 60 ° or 90 °; Camber governor motion 17 is installed between left and right two main ironing framves 2, and the centre joint is partly fixing with junction plate 5, and its top is connected with two struts 4; It between the strut 4 brace summer 3; The big-elevation governor motion is made up of main ironing frame 2, draft arm 7 and thickness adjusted mechanism 9, the preceding hinge 10 of draft arm 7 links to each other with leveling cyclinder, the rear portion is hinged by pivot pin 8 with main ironing frame 2, and the rear end of draft arm 7 links to each other by thickness adjusted mechanism 9 with the rear end of main ironing frame 2.

Description of drawings

Fig. 1: the multi-functional paver ironing machine of the utility model front view

Fig. 2: the multi-functional paver ironing machine of the utility model vertical view

Fig. 3: the multi-functional paver ironing machine of the utility model lateral view wherein: the beam that vibrates behind the beam, 12 that vibrates before the hinges, 11 before 1 base plate, 2 main ironing framves, 3 brace summers, 4 struts, 5 junction plates, 6 shower nozzles, 7 draft arms, 8 bearing pins, the 9 thickness adjusted mechanisms, 10,13 vibrators, 14 vibrators, 15 vibrate motor, 16 vibrating motors, 17 camber governor motions, 18 eccentric shafts, 19 eccentric bushings, 20 bearings.

The specific embodiment

When 1, carrying out paving operation, the preceding hinge 10 of the utility model and arranged on left and right sides draft arm 7 is hinged with the leveling cyclinder of paver main frame, and the hoist cylinder that draws arm 7 rear ends and paver main frame is hinged.The operate lifting oil cylinder, piston rod is flexible, can make this ironing machine around preceding hinge 10 swings, realizes the lifting of ironing machine.Pass through gauge tap, the fluid in the upper and lower chamber of hoist cylinder is communicated with hydraulic oil container, piston rod is subjected to external force effect retractable, at this moment, ironing machine floats on material in the paving operation process, the twin beams concrete vibrating mechanism of ironing machine inside is tamped material, and produces resonance with material, makes it further closely knit.The beam stroke that vibrates before the twin beams concrete vibrating mechanism is adjustable, according to different material spreaders can select 0,3,5 respectively, 7mm, after the beam stroke that vibrates be fixed value 5mm, rely on the eccentric shaft 18 and the offset of eccentric bushing 19 to form big exciting force.

When 2, carrying out the adjusting of big-elevation mechanism, at first transfer the length L of thickness adjusted mechanism 9, draft arm 7 can be rotated with respect to main ironing frame 2 around bearing pin 8, preceding hinge 10 terrain clearances are also changing.The regulated quantity of thickness adjusted mechanism 9 is enough to satisfy the multi-functional needs that pave at 50～70mm.When paving various road surface, regulate the regulated quantity of thickness adjusted mechanism 9 in advance, make the preceding hinge 10 of draft arm 7 be in the centre position of leveling cyclinder stroke.

When 3, regulating camber, at first brace summer 3 and junction plate 5 are unclamped, adjustment is fastening again after finishing.

4, the normal width of the utility model master ironing machine is 2.5m, can be widened to 3m according to the type difference.Widen ironing machine and be spliced by the widened section of all lengths, wide five kinds of 1.5m, 1.0m, 0.75,0.5m and 0.25m are arranged, can be assembled into 0.25m together with main ironing machine is the multiple width of difference, paves to satisfy the multiple road width of cloth.With main to press device the same, vibrator, vibrator, heater are arranged all on the widened section of 1.5m, 1.0m and 0.75m.0.5m and do not have these mechanisms on the widened section of 0.25m, the beam that vibrates is that parasitism is installed on the adjacent beam that vibrates.

The advantage of comparing with prior art of the present utility model is that exciting force is big, the degree of compaction height, and it is little, safe and reliable to start load; Integrated main ironing base plate can not produce the plucking phenomenon at the centre joint place of paving layer, and the top layer is smooth, smooth, and integral rigidity is good; Negative elevation angle situation can not appear in the big-elevation governor motion big thickness Stabilized Soil that paves that can suit, and has guaranteed spreading quality.This device has proved that in the practical probation stage every performance of device and construction quality all are better than prior art.

Claims

1, a kind of ironing machine has main ironing machine, widens ironing machine, draft arm.It is characterized in that: the twin beams concrete vibrating mechanism of ironing machine by vibrator, the motor that vibrates, double-eccentric shaft, eccentric bushing, the preceding beam that vibrates, after vibrate beam, bearing constitute; The camber governor motion is installed between left and right two main ironing framves; The big-elevation governor motion is made up of main ironing frame, draft arm and thickness adjusted mechanism; The preceding hinge of draft arm links to each other with leveling cyclinder, and the rear portion is hinged by pivot pin with main ironing frame, and the rear end of draft arm links to each other by thickness adjusted mechanism with the rear end of main ironing frame.

2, multifunction road paver ironing machine according to claim 1, it is characterized in that: main ironing machine is the box component that is welded into steel plate, its top is the main ironing framves of two of left and right symmetry, and the bottom is connected as a single entity two main ironing framves by a unitary underframe; The cavity that main ironing frame bottom and base plate surround is the combustion chamber of heater, and shower nozzle is installed in main ironing frame rear; Widen ironing machine and be spliced, corresponding vibrator, vibrator and heater are all arranged on each widened section by the widened section of all lengths.

3, multifunction road paver ironing machine according to claim 1 is characterized in that: between vibrate motor and the vibrator, be connected by belt between vibrating motor and the vibrator; Complete machine is provided with the motor that vibrates, and in the time of need widening, the axle that vibrates of each widened section joins the phase angle of misplace each other 60 ° or 90 ° with hookup.

4, multifunction road paver ironing machine according to claim 1 is characterized in that: centre joint part is fixed with junction plate, and its top is connected with two struts; It between the strut brace summer.