CN101929122A - Zero-clearance mixed material spreader - Google Patents
Zero-clearance mixed material spreader Download PDFInfo
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- CN101929122A CN101929122A CN2010102647639A CN201010264763A CN101929122A CN 101929122 A CN101929122 A CN 101929122A CN 2010102647639 A CN2010102647639 A CN 2010102647639A CN 201010264763 A CN201010264763 A CN 201010264763A CN 101929122 A CN101929122 A CN 101929122A
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Abstract
A zero-clearance mixed material spreader comprises a main frame which at least contains a front cross beam, a back cross beam and side beams, wherein the two sides of the main frame are provided with front traveling crawlers and back traveling crawlers for supporting the main frame; a material distribution device is arranged under the middle or back part of the main frame; the back of the material distribution device is provided with a spreading device; the spreading device is behind at least one side of the back traveling crawler on the main frame, the transverse length of the spreading device is larger than the distance between the insides of the back traveling crawlers on the two sides of the main frame; the back traveling crawlers are arranged on the side beams on the two sides of the main frame; the transverse centre line of the back traveling crawlers is between the insides of the front and back cross beams on the main frame; an extension arm extending out of the main frame is arranged on the front part of at least one side beam through a vertical hinged shaft, and the free end of the extension arm is provided with one front traveling crawler. The zero-clearance spreader of the invention adopts the extension arm used for extending the front traveling crawler to increase the counter weight and maintain the stable center of gravity, and the front and back traveling crawlers can turn 90 degrees to perform self-transferring.
Description
Technical field
The invention belongs to the road building machinery field, relate in particular to a kind of Zero-clearance mixed material spreader that broad width road paves that is used for.
Background technology
In recent years, Chinese highway construction project is increasing, and mainly based on grade highway constructions such as Class I highway, speedways, these highway widths are big, and construction engineering units is to the quality requirement height, requires the shaping that once paves of full width or half range.At present domesticly can't produce large-scale spreading machine voluntarily substantially, unit in charge of construction can only adopt two pavers to pave together, but adopting two pavers to unite paves, there is seam in the road that paves, road quality is difficult to control, and use two pavers not only purchase cost be double, the loss that causes when wear and tear in machines also is double, makes the engineering cost of unit in charge of construction effectively to reduce.Domestic thus unit in charge of construction is strong day by day to the demand of the large-scale paver of broad way face.
The patent No. is that 00260856.1 Chinese utility model patent discloses a kind of basic unit stabilized soil paver, comprise that mounting bracket by belt sensor is installed in the mainframe on the crawler attachment, be positioned at feed position, the transversely movable cloth plough of being located at the mainframe front portion that the band pushing tow before the mainframe rolls, be positioned at the elementary module that paves behind the cloth plough, be rigidly connected in pave module and be positioned at pave sub-material spiral before the module of secondary of secondary on the mainframe.This paver realizes that by the two-stage module that paves full width paves, but this paver adopts two crawler belt frames, and paver can't be cut to voluntarily when the needs short distance is cut to, must be by the loading vehicles transportation of cutting to, make troubles to unit in charge of construction, and increase cost virtually.
In order to solve the transition problem, large-scale paver adopts the structure of four crawler belts supporting mainframe capable of free rotation usually, as the patent No. is US6,582, a kind of zero clearance variable-width concrete spreader of the U.S. Patent Publication of 152B2, but the frame that comprises transversal stretching, four installation columns of support frame, by being installed, column is loaded on crawler attachment on the frame, be installed on the feeding belt machine on the frame, by the spreader that is hinged on the draft arm traction on the frame, spreader is by after stretching out in bracing frame after the frame and being installed in frame, and extends from the frame rear portion.When paving, material is delivered in the spreader hopper by the feeding belt machine, and is after the sub-material spiral sub-material before being located at hopper, floating by spreading plate.The spreader of this concrete spreader is positioned at the crawler attachment rear, and width can pave with the realization zero clearance greater than the width of both sides crawler belt.But, because spreader is installed in the rear of the crawler attachment of installing by the hinge pivoted arm, cause spreader distant apart from frame, before material is delivered to spreader from the paver front portion, feeding belt machine distance is longer, and the feeding belt of the long distance sideslip that skids easily causes defeated material amount instability, the fault rate height, and material is easy to generate segregation.
The patent No. is US5,590,977 United States Patent (USP) also discloses a kind of four crawler belt pavers, comprise mainframe, supporting mainframe four crawler belts, be installed in the sub-material plough of mainframe front portion and be installed in the member that paves of below, mainframe middle part, the curb girder of mainframe can be when paver paves direction of advance flexible, the back crawler belt of paver is installed in the end of telescopic curb girder, when paving, the curb girder elongation, back crawler belt is away from mainframe; When the transition transportation, in order to satisfy the dimensional requirement of highway transportation, curb girder is withdrawn, and four crawler belts just in time are positioned at four angles of mainframe, have reduced the complete machine size.Though this paver has solved the transition problem, can't realize that the zero clearance paves, can not satisfy the demand that advanced road zero clearance now paves.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned paver, a kind of convenient Zero-clearance mixed material spreader of cutting to, can reduce segregation is provided.
To achieve these goals, the present invention takes following technical solution:
Zero-clearance mixed material spreader, comprise the mainframe of forming by front beam, rear cross beam and curb girder, the mainframe both sides are provided with the walk forward track and the walk backward track of supporting mainframe, the below at mainframe middle part or rear portion is provided with feeding-distribution device, the rear of feeding-distribution device is provided with spreader, spreader after the walk backward track of at least one side of mainframe and the lateral length of spreader greater than the distance between walk backward track inboard, mainframe both sides; Walk backward track is arranged on the curb girder of mainframe both sides, the cross central line of walk backward track is between the inboard of front beam and rear cross beam, front portion at least one curb girder is provided with the adjutage that stretches out in outside the mainframe by vertical twisted axis, and the free end of adjutage is provided with walk forward track.
As shown from the above technical solution, the cross central line of walk backward track of the present invention is between the forward and backward crossbeam of mainframe inboard, make walk backward track be positioned at the positive side scope of mainframe substantially, rely on walk backward track and to hold up steady with the mainframe supporting, because the walk backward track position is preposition, make the also as close as possible mainframe in installation site of screed, shortened the transportation range of mixed material, can reach the purpose that reduces to emanate; Simultaneously, for the balance mainframe, walk forward track is measured the place ahead that the anterior adjutage that extends forward is arranged at mainframe 1 by being hinged on, make walk forward track 3 play the counterweight effect, to keep the center of gravity of mainframe, and when the mainframe rear is provided with one or above spreader, can the adjutage of walk forward track be installed or on walk forward track, increase counterweight by elongation and keep the steady of whole paver mainframe center of gravity, when needs are cut to, cut to voluntarily after only needing forward and backward track all turned to 90 ° separately.
Description of drawings
Fig. 1 is the pave structural representation of state of the embodiment of the invention 1;
Fig. 2 is the vertical view of Fig. 1;
Vertical view when Fig. 3 is the embodiment of the invention 1 transition;
Structural representation when Fig. 4 is the embodiment of the invention 1 transition;
Fig. 5 is the structural representation of the embodiment of the invention 2;
Fig. 6 is the structural representation of the embodiment of the invention 3;
Structural representation when Fig. 7 is the embodiment of the invention 3 transitions;
Fig. 8 is the structural representation of the embodiment of the invention 4;
Fig. 9 is the structural representation of the embodiment of the invention 5;
Figure 10 is the vertical view of Fig. 9;
Figure 11 is the structural representation of the embodiment of the invention 6;
Figure 12 is the front view of Figure 11;
Figure 13 is the structural representation of the embodiment of the invention 7;
Figure 14 is the lateral view of the embodiment of the invention 8;
Figure 15 is the vertical view of Figure 14;
Figure 16 is the schematic diagram of the embodiment of the invention 9;
Figure 17 is the vertical view of Figure 16;
Figure 18 is the structural representation of the embodiment of the invention 10;
Figure 19 is the front view of Figure 18;
As 20 is the local enlarged diagram of A part among Figure 19;
Figure 21 is the lateral view of two concrete vibrating mechanisms among Figure 10;
Figure 22 is the structural representation of curb girder and hold-down arm in the embodiment of the invention 11;
Figure 23 is the structural representation of curb girder and hold-down arm in the embodiment of the invention 12.
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
The specific embodiment
As depicted in figs. 1 and 2, the mainframe 1 of the Zero-clearance mixed material spreader of present embodiment mainly comprises front beam 10, rear cross beam 11 and is installed on front beam 10 and the curb girder 12 that is connected front beam 10 and rear cross beam 11 at two ends, rear cross beam 11 left and right sides.For convenience of explanation, the direction that will be parallel to mainframe front beam 10 is defined as laterally, before the direction of advance under the paver paving operation state is defined as.Front beam 10 can be provided with sleeve type pars contractilis (not label) and the extending transversely flange section (not label) by hydraulic jack control, and rear cross beam 11 also can be provided with sleeve type pars contractilis and the extending transversely flange section by hydraulic jack control.The sleeve type pars contractilis is the conventional design in the Machine Design, mainly comprises relatively-movable inside and outside sliding sleeve and is installed in the hydraulic jack that the inside and outside sliding sleeve of control in the inside and outside sliding sleeve moves.Can change the transverse width of front beam 10, rear cross beam 11 by the flexible of hydraulic jack control sleeve type pars contractilis or by the extending transversely flange section of tearing/adorning different length open, thereby adapt to paving of different wide cuts road surface.
Be provided with hinge mount pad 120 on the lateral wall of the front-end and back-end of curb girder 12, on the hinge mount pad 120 of curb girder 12 front ends, adjutage 121 is installed by vertical twisted axis, the free end of adjutage 121 is connected with by flange column 2 is installed, and the bottom that column 2 is installed is equipped with walk forward track 3; On the hinge mount pad 120 of curb girder 12 rear ends, hold-down arm 122 is installed by vertical twisted axis, the free end of hold-down arm 122 also is connected with by flange column 2 is installed, the bottom that column 2 is installed is equipped with walk backward track 4, and adjutage 121 and hold-down arm 122 all can increase the length of adjutage 121 and hold-down arm 122 by increasing connecting flange.When carrying out paving operation, adjutage 122 and hold-down arm 121 all are parallel to the direction of advance of paver and put setting forward, and promptly the center of walk forward track 3 and walk backward track 4 is positioned at before the hinge of the hinge of adjutage 121 and hold-down arm 122 separately.Turn to the control oil cylinder being provided with between adjutage 121 inside walls and front beam 10 front side walls and between hold-down arm 122 inside walls and curb girder 12 lateral walls, by turning to the control oil cylinder can control adjutage 121 and hold-down arm 122, adjust the position of walk forward track 3, walk backward track 4 around separately vertical twisted axis rotation.In addition, in order to obtain bigger rotating range, also can turn to the control oil cylinder setting up between adjutage 121 lateral walls and the curb girder 12 and between hold-down arm 122 lateral walls and curb girder 12 rearward end.Installation column 2 in the present embodiment is installed column for sleeve type, install in the column 2 and be provided with hydraulic jack, in hydraulic jack control installation column 2, outer sleeve is done to slide relatively and is changed the height that column 2 is installed, thereby adjust the height of mainframe 1 and be used for mainframe and the leveling when paving, the structure that crawler belt erection column common in the structure of column 2 and traveling crawler 3 and the existing road building machinery and traveling crawler are installed is identical, Machine Design for routine, simultaneously, also be equiped with driving generator or driving hydraulic motor and operating console on the mainframe 1 as power source, conduit under fluid pressure and the levelling sensor that is installed in mainframe 1 both sides, for concise and to the point signal, these parts omit in the accompanying drawings, the installation of these parts and annexation those of ordinary skill in the art can design according to mechanical design handbook or technical specification and construction requirement, do not give unnecessary details at this.
Be provided with sub-material spiral 5 at mainframe 1 rear, sub-material spiral 5 is by being installed in spiral hold-down arm 50 fixed installations on rear cross beam 11 rear walls with threaded fastener, be provided with screed 6 at the rear of sub-material spiral 5, screed 6 is positioned at after the walk backward track 4, and the length of screed 6 surpasses the distance between two walk backward tracks 4.Screed 6 is arranged at the rear of mainframe 1 by the drawbar extension arm 60 that is mounted thereon, the quantity of drawbar extension arm 60 can increase or reduce according to the change of screed 6 length, drawbar extension arm 60 level of approximation are extended forward, between front beam 10 and rear cross beam 11, be provided with one in the present embodiment crossbeam 13 is installed, be welded to connect and the corresponding screed tractive unit of drawbar extension arm 60 quantity and position on the rear wall of installation crossbeam 13, the screed tractive unit is the vertical column that is provided with traction grooved, and the front end of drawbar extension arm 60 passes the traction grooved of screed tractive unit and with to be installed in the hydraulic jack of installing on the crossbeam 13 hinged.The structure of drawbar extension arm 60 and screed tractive unit and annexation and the applicant's application number is 201010220549.3 in the present embodiment, denomination of invention is identical for the structure and the annexation of screed drawbar extension arm in the patent application of " two-crawler material paving machine " and screed tractive unit.The adjusting of the hydraulic jack by drawbar extension arm 60 front ends is vertically moved the front end of drawbar extension arm 60 in the traction grooved of screed tractive unit, thereby adjusts the pan feeding angle of screed 6--and be the angle between screed 6 and the ground.When hydraulic jack shrank, drawbar extension arm 60 front ends were lifted, thereby lifted screed 6 front portions, and it is big that the pan feeding angle becomes; Otherwise when hydraulic jack extended, drawbar extension arm 60 front ends were pressed down, and screed 6 front portions also are depressed, and the pan feeding angle diminishes.Screed 6 middle parts are provided with transfers arch device (seeing Fig. 3, Fig. 4), transfer the arch device identical with the employed accent arch of screed apparatus structure in the common paver, can adopt bolt and pad, screw mandrel or hydraulic jack etc., the camber of regulating screed 6 centres in the paving process is to adapt to the road surface.
Below work of the present invention and transition process are described further:
Under the paving operation state, extending the adjutage of putting 121 forward makes walk forward track 3 be positioned at mainframe 1 the place ahead, walk forward track 3 plays counterweigh mainframe 1, the cross central line of walk backward track 4 is positioned at the horizontal center of mainframe 1 substantially and (also walk backward track 4 installation sites can be moved after a little, it is square after a while so that support the rear portion of mainframe 1 better to make cross central line be positioned at the mainframe cross central line), mainly play supporting mainframe 1.During paving operation, material is poured on the ground before the paver, stirs sub-materials by sub-material spiral 5, screed 6 moulding that paves then.In order to improve spreading quality, reduce the material segregation, can set up limit material/feeding-distribution devices such as limit flitch or branch material shovel in the place ahead of mainframe 1 lower front sub-material spiral 5, perhaps for even sub-material, transversely movable sub-material plough is set before mainframe 1, these parts are the common components of paver, and those skilled in the art can be according to the needs setting of construction.
As shown in Figure 3 and Figure 4, pave finish after paver need short distance when transition, adjutage 121 around the curb girder 12 vertical twisted axis on hinge mount pad 120 in front to inner rotary, the vertical hinge of hold-down arm 122 on the hinge mount pad 120 of curb girder 12 in the back is to the direction rotation away from curb girder 12, simultaneously, walk forward track 3 and walk backward track 4 half-twists, direction of advance when paving, that is this moment paver the direction of advance of direction of advance during with paving operation just in time vertical, need not just can cut to voluntarily by load wagon, and the fuselage in when transition reduces greatly by width, can satisfy the width requirement on most road surfaces.
As shown in Figure 5, in the present embodiment, the walk backward track 4 of mainframe 1 one sides by install column 2 be installed in curb girder 12 under, walk forward track 3 and the walk backward track 4 identical with structure among the embodiment 1 are installed on the curb girder 12 of opposite side, and other component and the annexation between component of present embodiment are identical with embodiment 1.In addition, because present embodiment adopts the structure of 3 traveling crawler supporting mainframes, as another kind of scheme, one side of screed can be arranged on curb girder 12 rears that walk backward track 4 only has been installed-be that screed one side is positioned at after this rear flank traveling crawler 4, another side of screed is arranged on the inboard of another walk backward track 4, make the more compact structure of paver, can realize that one-sided zero clearance paves simultaneously.Walk forward track 3 and walk backward track 4 in the previous embodiment can adopt by motor-driven traveling crawler.
With reference to Fig. 6, present embodiment and embodiment 1 different place is: two walk backward tracks 4 by the installation column 2 that vertically passes curb girder 12 that is positioned at walk backward track 4 forward and backward two ends be installed in curb girder 12 under, the bottom that column 2 is installed is equipped with a mount pad 20 that can rotate around the axis of self in horizontal plane, walk backward track 4 is connected with mount pad 20 by connectors such as bearing pins.Wherein, being positioned on the curb girder 12 of the installation column 2 in back, the outer wall of downside is provided with protuberance 201, on, down two protuberances 201 between welding or be connected with stiffener 202 with bolt, the upper articulation of stiffener 202 is connected with hydraulic pressure support arm 203, lower hinge has hydraulic jack, the other end of this hydraulic jack is arranged on the hydraulic pressure support arm 203, by fixed support steering motor 204 is installed on the roof of curb girder 12, steering motor 204 is connected with the central rotating shaft that column 2 is installed by chain, steering motor 204 can make the central rotating shaft that column 2 is installed rotate, thereby drives the rotation of hydraulic pressure support arm 203.During the paver paving operation, hydraulic pressure support arm 203 is not connected with walk backward track 4, and can be used as vehicle-mounted arm and use this moment.With reference to Fig. 7, during transition, after mainframe 1 rise, the front end of walk backward track 4 is removed from mount pad 20 belows of front, hydraulic pressure support arm 203 lifts the front end of walk backward track 4, steering motor 204 control hydraulic pressure support arms 203 leave curb girder 12, drive walk backward track 4 and do the dead axle rotation around the mount pad 20 of back, be positioned at vertical with the origin-location 90 ° position until walk backward track 4, free end with hydraulic pressure support arm 203 is installed in walk backward track 4 front ends with bearing pin then, turns to support walk backward track 4 and to control.The structure of the walk backward track 4 in the present embodiment and installation form can the REFERENCE TO RELATED people structure and installation form that application number is 201010220549.3, name is called the crawler belt of mentioning in the patent application of " two-crawler material paving machine ".
As shown in Figure 8, screed 6 is provided with hydraulic pressure positional cylinder 61, hydraulic pressure positional cylinder 61 is by 62 fixed installations of the locating rack that extends out from rear cross beam 11, and hydraulic pressure positional cylinder 61 can lock the quick condition of screed 8 or regulating the working depth of screed 6.
As Fig. 9 and shown in Figure 10, present embodiment and embodiment 1 different place is: in the front portion of mainframe 1 front end is installed and stretches out mainframe 1, the rear end extends to the conveyer 7 before the screed 6, conveyer is dismountable individual components, it comprises that both sides are welded to connect the installation frame of side shield, the height of side shield prevents that material is excessive when being enough to stop the batch turning of discharging automobile, the installation frame bottom is equipped with the defeated material chain row as feeder, driving shaft and the driven shaft that is installed on the installation frame front-end and back-end drawn together in the package of defeated material chain, and chain is walked around driving shaft and driven shaft and driven running by driving shaft.The defeated material carrier bar of the adjacent setting of multi-disc is installed on the chain, and these defeated material carrier bars form a continuous material moving belt.The base plate that supporting is positioned at the defeated material carrier bar of driving shaft and driven shaft top also is installed in the installation frame.Under the drive of chain, defeated material carrier bar is clockwise or mobile counterclockwise, thereby the front end that material is arranged from defeated material chain is transported to the rear end.Anterior two outsides of installation frame are equipped with rigid connector, and an end of rigid connector is installed on the installation frame, the other end is installed on front beam 10 front side walls, makes the three form the integral body that rigidity is connected; The road wheel that is supported on ground is equipped with at the installation frame rear portion.The application number that the structure of conveyer and installation form can the REFERENCE TO RELATED people in the present embodiment is 201010172520.2, denomination of invention is the structure and the installation form of all conveyers of mentioning in the patent application of " material paver ".
During paving operation, material unloads to conveyer 7 from carriage of dump truck, rearward carry by defeated material chain row, avoid material, especially bituminous mixture directly is poured on and is easy to generate demixing temperature on the ground and influences spreading quality, and material unloads the back from automobile bodies and carries by conveyer 7 simultaneously, directly delivers to screed 6 the place aheads, reduce material fed distance on the ground, also can effectively prevent the material segregation.During transition, drawbar extension arm 121 and hold-down arm 122 be to inner rotary, after walk forward track 3, walk backward track 4 all turn to 90 °, and the transportation of both can having cut to voluntarily.
As Figure 11 and shown in Figure 12, present embodiment and embodiment 5 different places are: the rear of mainframe 1 is provided with the first screed 6A and the second screed 6B, the first screed 6A is arranged at after the mainframe 1 by the first drawbar extension arm 60a, the second screed 6B is arranged at after the first screed 6A by the second drawbar extension arm 60b, on the front side wall of the first screed 6A and the second screed 6B, sub-material spiral 5 is installed all, conveyer 7 is installed in the both sides in the mainframe 1, between conveyer 7, be provided with front end and be positioned at mainframe 1 the place ahead, the rear end extends to the feeding belt machine 8 of conduct second conveyer before the second screed 6B, feeding belt machine 8 is installed in mainframe 1 below by the steel support member, anterior bottom surface at feeding belt machine 8 is equipped with support wheel 80, front upper is equipped with storage bin hopper 81, storage bin hopper 81 is in the place ahead of mainframe 1, and present embodiment can realize that by second conveyer and second screed are set bilayer paves.When paving, the mixed material of first floor is transported to the place ahead of the first screed 6A from conveyer 7, the first screed 6A is earlier with first floor mixed material ironing compacting, second layer mixed material is offloaded in the storage bin hopper 81, and being transported to the place ahead of the second screed 6B by feeding belt machine 8, the second screed 6B again will be in the ironing of the second layer mixed material on first floor mixed material compacting.The quantity of conveyer 7 and feeding belt machine 8 and position can adjust according to the width of paving concrete pavement in the present embodiment, and second conveyer also can adopt other forms such as defeated material chain row, defeated material spiral except adopting the form of feeding belt machine.
As shown in figure 13, present embodiment and embodiment 6 different places are: feeding belt machine 8 is installed on the longitudinal centre line of mainframe 1, conveyer 7 is installed in feeding belt machine 8 both sides, storage bin hopper 81 is installed between the front beam 10 and rear cross beam 11 of mainframe 1, the opening of storage bin hopper 81 be positioned at feeding belt machine 8 feed ends directly over, the aperture position places in the storage bin hopper 81 can install feeding roller or the striker plate that can seal opening is set.
Shown in Figure 14 and 15, present embodiment and embodiment 6 different places are: conveyer 7 is not installed on the mainframe 1, be equipped with by flanged plate and bolt below mainframe 1 that 3 front ends are positioned at mainframe 1 the place ahead, the rear end extends to the feeding belt machine 8 before the second screed 6B, in addition, the branch material shovel (not shown) that limit flitch (not shown) or splayed are arranged can be installed below front beam 10, and basic unit's Stabilized Soil or concrete are used to pave.
Embodiment 9
As Figure 16 and shown in Figure 17, present embodiment and embodiment 6 different places are: conveyer 7 is installed on the longitudinal centre line of mainframe 1, the both sides of conveyer 7 are equipped with feeding belt machine 8 by flange and bolt, the middle part of feeding belt machine 8 is erected at mainframe 1 top, the afterbody of feeding belt machine 8 is equipped with material storing box 82 by suspended axle, the upper opening of material storing box 82 under the blanking end of feeding belt machine 8, lower openings is above between the first screed 6A and the second screed 6B.When paving, the mixed material of first floor is transported to the place ahead of the first screed 6A from conveyer 7, mixed material is evenly divided to first screed 6A the place ahead by sub-material spiral 5, the first screed 6A is earlier with first floor mixed material ironing compacting, second layer mixed material is transported in the material storing box 82 from feeding belt machine 8, mixed material leaks down to the place ahead of the second screed 6B from material storing box 82 lower openings more as required, and the second last screed 6B will be in the ironing of the second layer mixed material on first floor mixed material compacting.Another kind of scheme as present embodiment, material storing box 82 also can be directly installed on mainframe 1 rear by the installing rack that extends out from mainframe 1 rear portion, feeding belt machine 8 is not set on the mainframe 1, but mixed material directly is delivered in the material storing box 82 by the defeated material belt of transfer car(buggy).
As Figure 18 and shown in Figure 19, present embodiment and embodiment 1 different place is: mainframe 1 is the truss-like frame, and drive motors or CD-ROM drive motor and operation bench etc. are installed in the centre of mainframe 1.Sub-material spiral 5 is arranged on mainframe 1 rear lower portion by the spiral hold-down arm 50 that is installed on the rear cross beam 11, vertically scraper plate 6 ' is installed in after the sub-material spiral 5 by scraping board mounting stand 60 ', vertically by threaded fastener wearing plate is installed on the bottom leading flank of scraper plate 6 ', be provided with two concrete vibrating mechanisms in the place ahead of vertical scraper plate 6 ', simultaneously with reference to Figure 20 and Figure 21, two concrete vibrating mechanisms of present embodiment comprise eccentric shaft 61 ', eccentric shaft bearing seat 62 ', first eccentric bushing 63 ', second eccentric bushing 64 ', before vibrate beam 65 ' and after the beam 66 ' that vibrates, eccentric shaft bearing seat 62 ' is installed on the antetheca of vertical scraper plate 6 ' by bolt, eccentric shaft 61 ' is installed on the eccentric shaft bearing seat 62 ', first eccentric bushing 63 ' and second eccentric bushing 64 ' are installed on respectively on the eccentric shaft of both sides of eccentric shaft bearing seat 62 ', first eccentric bushing 63 ' is connected with the beam 65 ' that before vibrates by bolt, second eccentric bushing 64 ' by bolt with after the beam 66 ' that vibrates be connected, during eccentric shaft 61 ' rotation, drive first eccentric bushing 63 ' and second eccentric bushing 64 ' carries out eccentric motion, thereby vibrate before driving beam 65 ' and after the beam motion of vibrating about in the of 66 ' of vibrating, vertical scraper plate 6 ' preceding material is tamped.Two concrete vibrating mechanisms of present embodiment also can be installed on the front of the screed among the embodiment 1-9.Another kind of scheme as present embodiment, two concrete vibrating mechanisms are not set in the front of vertical scraper plate 6 ', and at the vertical rear portion of scraper plate 6 ' the floating plate of vibration is set, the structure that the application number that this structure of vibrating floating plate can the REFERENCE TO RELATED people is 201020220148.3, name is called vibrating bottom plate in the utility model patent of " Stabilized Soil mixture laying machine ".
As shown in figure 22, present embodiment and embodiment 1 different place is: adjutage 121 and hold-down arm 122 adopt the structure of crooked 90 ° of tail ends, and the crooked end of adjutage 121 and hold-down arm 122 is installed on the installation portion 120 of curb girder 12 by vertical twisted axis.
As shown in figure 23, present embodiment and embodiment 11 different places are: the installation portion 120 of curb girder 12 front and back ends is positioned on the center line of curb girder 12, and adjutage 121 and hold-down arm 122 are installed in the front-end and back-end of curb girder 12 by vertical twisted axis.
Really, technical conceive of the present invention is not limited in the foregoing description, can also obtain many different concrete schemes according to design of the present invention, for example, the mainframe of being mentioned in the previous embodiment is mainly case beam type frame of being made up of crossbeam and curb girder or the truss-like frame that is made of truss, when mainframe is small-sized frame, can also adopt forward and backward, the box support body that side plate is formed made by steel plate, all should be included within the described scope of claim such as these changes and equivalent transformation.
Claims (10)
1. Zero-clearance mixed material spreader, comprise the mainframe of forming by front beam, rear cross beam and curb girder at least, described mainframe both sides are provided with the walk forward track and the walk backward track of supporting mainframe, the below at described mainframe middle part or rear portion is provided with feeding-distribution device, the rear of described feeding-distribution device is provided with spreader, described spreader after the walk backward track of at least one side of mainframe and the lateral length of described spreader greater than the distance between the walk backward track inboard of described mainframe both sides;
It is characterized in that:
Described walk backward track is arranged on the curb girder of mainframe both sides, the cross central line of described walk backward track is between the inboard of described front beam and rear cross beam, front portion at least one curb girder is provided with the adjutage that stretches out in outside the mainframe by vertical twisted axis, and the free end of described adjutage is provided with walk forward track.
2. Zero-clearance mixed material spreader according to claim 1 is characterized in that: the cross central line of described walk backward track is between the cross central line and rear cross beam inboard of described mainframe.
3. Zero-clearance mixed material spreader according to claim 1, it is characterized in that: the rear portion of described curb girder is equipped with hold-down arm by vertical twisted axis, described walk backward track is installed in the free end of described hold-down arm, and the hinge of described hold-down arm is positioned at after the described walk backward track center down at least in working order.
4. according to claim 1 or 2 or 3 described Zero-clearance mixed material spreaders, it is characterized in that: the front portion of the curb girder of described mainframe both sides is provided with one by vertical twisted axis and stretches out in the outer adjutage of mainframe, the free end of described adjutage is provided with walk forward track, and described walk forward track and walk backward track are that electricity drives the formula crawler belt.
5. Zero-clearance mixed material spreader according to claim 1, it is characterized in that: described walk backward track is installed on the curb girder below of mainframe by the mount pad that is positioned at the forward and backward two ends of walk backward track, be dismountable flexible connection between described walk backward track and the last mount pad, described walk backward track can be done the dead axle rotation around back one mount pad, preferred scheme is, walk backward track is installed in the below of curb girder by column is installed, described mount pad be installed on bottom that column is installed and with the coaxial setting of described installation column.
6. Zero-clearance mixed material spreader according to claim 1, it is characterized in that: described spreader is the vertical scraper plate that is installed in the mainframe rear, preferred scheme is that the bottom was provided with and the vertical hinged floating plate of vibration of scraper plate after described vertical scraper plate was provided with two concrete vibrating mechanisms or vertical scraper plate before.
7. Zero-clearance mixed material spreader according to claim 1, it is characterized in that: described spreader is for being installed in the screed at mainframe rear by the drawbar extension arm that extends forward, the front end of described drawbar extension arm pass the screed tractive unit that is arranged at mainframe below, with the bottom-hinged that is installed in the hydraulic jack on the mainframe, preferred scheme is, the rear of described mainframe is provided with the locating support of fixedlying connected with mainframe, is provided with positional cylinder between described locating support and screed.
8. Zero-clearance mixed material spreader according to claim 1, it is characterized in that: described mainframe below is provided with independently dismountable conveyer, and the front end of described conveyer extends to the place ahead of mainframe, the rear end extends to described spreader the place ahead; Described conveyer comprises installation frame, be located at the side shield of installation frame both sides and be installed on feeder on the installation frame, and described installation frame is connected with described mainframe by rigid connector.
9. according to claim 1 or 7 or 8 described Zero-clearance mixed material spreaders, it is characterized in that: described spreader comprises first screed and is arranged at intervals at second screed at the first screed rear, described second screed is installed in after first screed by the second drawbar extension arm that strides across described first screed that extends forward, the front end of the described second drawbar extension arm passes the screed tractive unit that is arranged at the mainframe below, with the bottom-hinged that is installed in the hydraulic jack on the mainframe, be provided with the sub-material spiral before described second screed, above between described first screed and second screed, be provided with the material storing box that the bottom is provided with opening.
10. according to claim 7 or 8 described Zero-clearance mixed material spreaders, it is characterized in that: described spreader comprises first screed and is arranged at intervals at second screed at the first screed rear, described second screed is installed in after first screed by the second drawbar extension arm that strides across described first screed that extends forward, the front end of the described second drawbar extension arm passes the screed tractive unit that is arranged at the mainframe below, with the bottom-hinged that is installed in the hydraulic jack on the mainframe, be provided with the sub-material spiral before described second screed, mainframe is provided with second conveyer, the front end of described second conveyer extends front portion or the place ahead of mainframe, the rear end extends before described second screed, preferred scheme is, front portion or middle part at mainframe are equipped with the storage bin hopper that the bottom is provided with opening, and the front end of described second conveyer extends the below of described storage bin hopper opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102647639A CN101929122A (en) | 2010-08-19 | 2010-08-19 | Zero-clearance mixed material spreader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102647639A CN101929122A (en) | 2010-08-19 | 2010-08-19 | Zero-clearance mixed material spreader |
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| Publication Number | Publication Date |
|---|---|
| CN101929122A true CN101929122A (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102647639A Pending CN101929122A (en) | 2010-08-19 | 2010-08-19 | Zero-clearance mixed material spreader |
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| CN (1) | CN101929122A (en) |
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| CN103223977A (en) * | 2013-03-14 | 2013-07-31 | 陈建军 | Advancement support device for spreading machine |
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| CN103223977B (en) * | 2013-03-14 | 2015-07-01 | 陈建军 | Advancement support device for spreading machine |
| CN103223977A (en) * | 2013-03-14 | 2013-07-31 | 陈建军 | Advancement support device for spreading machine |
| CN105026650A (en) * | 2013-04-10 | 2015-11-04 | 莱卡地球系统公开股份有限公司 | Automatic track alignment control kit and method for automated track alignment |
| CN105026650B (en) * | 2013-04-10 | 2017-06-16 | 莱卡地球系统公开股份有限公司 | Automatic crawler belt alignment control external member and automation crawler belt alignment methods |
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| CN114134788A (en) * | 2014-06-09 | 2022-03-04 | 维特根有限公司 | Selectively clamping chassis |
| CN105035160A (en) * | 2015-07-24 | 2015-11-11 | 陈建军 | Paver marchs and turns to strutting arrangement |
| CN105035160B (en) * | 2015-07-24 | 2017-03-15 | 陈建军 | A kind of paver is advanced and turns to support meanss |
| CN106223137A (en) * | 2016-08-29 | 2016-12-14 | 株洲长远铁路建机有限公司 | A kind of concrete precision screed operation car of tunnel railway roadbed construction operation |
| CN108071061A (en) * | 2016-11-16 | 2018-05-25 | 维特根有限公司 | Transport translative mode |
| CN107227662A (en) * | 2017-08-10 | 2017-10-03 | 中铁北京工程局集团有限公司 | A kind of type unballasted track bed plate concrete automatic moulding machines of CRTS III |
| CN108127766A (en) * | 2017-12-29 | 2018-06-08 | 嘉兴欣创混凝土制品有限公司 | Multi-functional pour of improvement smashes floating vibrational system |
| CN108127766B (en) * | 2017-12-29 | 2024-04-26 | 嘉兴欣创混凝土制品有限公司 | Improved multifunctional pouring, tamping and trowelling vibration system |
| CN110904791A (en) * | 2019-12-17 | 2020-03-24 | 山西交通职业技术学院 | Road asphalt laying equipment for engineering machinery |
| CN111218883A (en) * | 2020-04-01 | 2020-06-02 | 江苏四明工程机械有限公司 | Zero-clearance rear-mounted mold slip form paver |
| CN113005861A (en) * | 2021-03-16 | 2021-06-22 | 中交西安筑路机械有限公司 | Paver and using method thereof |
| CN113005861B (en) * | 2021-03-16 | 2022-08-12 | 中交西安筑路机械有限公司 | Paver and using method thereof |
| CN113585017A (en) * | 2021-08-25 | 2021-11-02 | 中冶南方城市建设工程技术有限公司 | Road cement concrete distributing, vibrating and paving integrated equipment and using method thereof |
| CN114481760A (en) * | 2022-02-14 | 2022-05-13 | 湖南三一中益机械有限公司 | Control method of paver and paver |
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Application publication date: 20101229 |