CN108239910A - Ground milling machine with folding conveyer belt - Google Patents

Ground milling machine with folding conveyer belt Download PDF

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Publication number
CN108239910A
CN108239910A CN201711399486.0A CN201711399486A CN108239910A CN 108239910 A CN108239910 A CN 108239910A CN 201711399486 A CN201711399486 A CN 201711399486A CN 108239910 A CN108239910 A CN 108239910A
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CN
China
Prior art keywords
hinge
conveyor
belt apparatus
swing
milling machine
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Granted
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CN201711399486.0A
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CN108239910B (en
Inventor
M·沙夫
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Bomag GmbH and Co OHG
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Bomag GmbH and Co OHG
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/08Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
    • E01C23/085Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
    • E01C23/088Rotary tools, e.g. milling drums

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Framework For Endless Conveyors (AREA)

Abstract

The present invention relates to a kind of foldable conveyer belt for ground milling machine, the conveyer belt has upper and lower part, the ground milling machine particularly tail portion rotating member milling machine or central rotational part milling machine.According to the present invention, in order to form swing mechanism, using drive link and the swing connecting bar being connect with drive link, hingedly as the cylinder piston unit of swinging driver in drive link.

Description

Ground milling machine with folding conveyer belt
Technical field
The present invention relates to a kind of with the ground facing cut of conveyor-belt apparatus that can be folded between discharge position and transporting position Planer.
Background technology
Ground milling machine with foldable conveyor-belt apparatus is for example as known to 10 2,008 021 484 B4 of DE.This In disclosed ground milling machine include:The rack carried by mobile devices;Drive motor, typically diesel engine;Bridge, The ground milling machine is operated from the bridge;And ground milling equipment, the ground milling equipment have milling Roller and the milling roller case with discharge gate.This ground milling machine is particularly in maintenance and repair work Zhong Dui streets coating Carry out milling.Milling roller is typically included in the support tube equipped with multiple milling cutters on its peripheral surface and can be around level thus And transverse to operating direction extension pivot axis support.Milling roller is arranged on the inside of milling roller case, so as to spy It is not to realize determining milling material transportation.For this purpose, in the wall portion of milling roller case, there are discharge gates.Pass through the discharge gate energy The milling material in milling roller case will be accumulated on position reprinting to conveyor-belt apparatus is reprinted.This discharge gate is for example in DE Disclosed in 10 2,011 009 093 A1.Conveyor-belt apparatus finally also includes on its longitudinal end opposite with reprinting position Milling material can be for example discharged in haulage vehicle by dump location from the dump location.The main element of conveyer belt this In it is known include around the circular band of at least two rollers, the band is supported in longitudinal load-bearing structure.This basic structure is for example Also disclosed in 10 2,011 111 867 A1 of DE.
It is this generally take up the conveyer belt spatially stretched out from rack be preferably designed to it is folding, can for example to subtract The transportation lengths of small ground milling machine.For this purpose, conveyor-belt apparatus has lower part and top, the lower part and top pass through the first hinge Chain is connected with each other.On the part of machine side below lower part, conveyor-belt apparatus is hingedly supported on using swing hinge swing It on the rest part of ground milling machine, such as is supported in rack, so that the dump location of such as conveyor-belt apparatus is in height It can change, mode is to change the orientation angle of conveyor-belt apparatus by swing hinge and appropriate regulating device.With On the opposite side of the swing hinge, top is connected to by first axle on lower part, and therefore in discharge position Extend lower part towards dump location.Therefore, lower part and top are located in discharge position on a substantially longitudinal axis, here on Portion for example can be also bent with slightly declining, to realize best reprinting.Top is in discharge position therefore along the longitudinal direction of lower part It is mounted on lower part in extension.For transporting position, top can be swung on the downside for being recovered to lower part, and thus subtracting Small machine length.For this purpose, usually using swing mechanism, top is realized in transporting position and discharge level by the swing mechanism The swing determined between putting.Swing mechanism generally includes swinging driver and swing-bar mechanism, and swinging driver particularly can here Cylinder-piston unit of linear regulation, the cylinder-piston unit are hinged on lower part on one end, and in another end It is usually hinged on a component of swing mechanism.Swing mechanism for example can be curvilinear mechanism, such as in DE 10 2,008 021 As disclosed in 484 B4.Connecting rod, such as a drive link and one alternatively can be used in order to form swing mechanism Swing connecting bar.Drive link refers to the connecting rod being hinged on cylinder-piston unit, so as to which the connecting rod is directly driven.On the contrary, pendulum Dynamic driver is not connected directly between in swing connecting bar.This arrangement form is for example as known to 1 864 921B1 of EP.Here, it is right In transporting position, the top that can be swung of conveyor-belt apparatus, which is swung, to be raised on the upside of lower part.
But the ground milling machine with folding conveyor-belt apparatus recorded in the prior art is imperfect.Such as It is unfavorable to transport purpose and top swing is raised on lower part, because current ground milling machine for example usually requires down Position on the upside of portion, for setting the component of dust suction unit.The top on lower part can be swung in known carry In ground milling machine, such as the position saving by swinging the realization for withdrawing top is not also best and/or used pendulum Dynamic motion exposed to sets and therefore has the danger to collide.
In other professional domains it is also known that foldable conveyer belt, this conveyer belt can be rolled over to transport purpose It is folded.Folding simple conveyer belt TR50, TR60 and TR75 of this such as Anaconda Equipment Ltd company be exactly Such case.But these conveyer belts are not related to ground milling machine.
Invention content
The task of the present invention is now, provides a kind of ground milling machine, the ground milling machine is about obtainable existing There is the folding conveyor-belt apparatus that technology has optimization.
The task of the present invention can be solved by ground milling machine according to claim 1.Preferred improvement project from Belong to and being provided in claim.
The importance of the present invention is the specific composition of swing mechanism, and the swing mechanism includes swinging driver And swing-bar mechanism, the swing-bar mechanism have drive link and swing connecting bar.The drive link is supported on by second hinge On lower part, and pass through third hinge and be supported in swing connecting bar.The swing connecting bar is additional to again via third hinge and driving The articulated connection of connecting rod is by the 4th hinged support on the top of conveyor-belt apparatus.By be constructed to be permeable to the cylinder of linear regulation- The swinging driver of piston unit drives pendulum motion, and the cylinder-piston unit cuts with scissors on one end via the 5th hinge It is connected on lower part and is hinged in drive link via the 6th hinge.It is set now according to the present invention, the swing mechanism construction Into so that when being in discharge position on top, second hinge and the 4th hinge are arranged on the longitudinal midline of conveyor-belt apparatus Top, and first axle, the 5th hinge and the 6th hinge are arranged on the lower section of the longitudinal midline of conveyor-belt apparatus.Here in longitudinal direction Line is the center line along the midpoint distribution for the vertical line for extending to upside from downside in lower part and top.Therefore longitudinal midline can be But straight line is not had to be.From the discharge position raised is swung to when swinging the transporting position adjusting withdrawn, top, which is swung, receives It returns on the downside of lower part.Top is therefore curved vertically downwards relative to lower part first by first axle from discharge position Folding, and withdrawn around lower side oscillation of the first axle to conveyor-belt apparatus.It can set thus, cylinder-work when withdrawing is swung on top Plug unit is moved to the position of retraction from the position of stretching, and pulls the driving pull rod of swing mechanism at this time so that is transporting In position, driving pull rod and swing pull rod are not protruded relative to upper and lower part positioned at the end in outside along longitudinal direction.With this Mode ensures that particularly the component of swing mechanism will not protrude from be connected with each other by first axle the two of upper and lower part A end side, it is thus achieved that the best orientation on top, even if when the element that dust suction unit is provided on the upside of lower part When.In addition, what the swing mechanism was protruded in transporting position by upper and lower part relative to swing mechanism in this way Part is protected, so as to can for example significantly reduce the traffic-induced damage to swing mechanism." not protruding " refers here to conveyer belt dress The side view put, that is, be related to putting down along the advance of ground milling machine or operating direction and the observation vertically extended Face.
Preferably, the lower part, the top, drive link and swing connecting bar are together with first axle, second hinge, Three hinges and the 4th hinge form four-bar mechanism together, which is configured to so that are in fortune in conveyor-belt apparatus When in defeated position, the four-bar mechanism is in the crossed position, and when conveyor-belt apparatus is in discharge position, described four connect Linkage is in quadrangle position.Crossover location refers to such mechanism positioning, wherein the line of each hinge intersects, current In the case of refer to second and third hinge the line formed by drive link and first and the 4th hinge by top shape Into line intersect.From discharge position to transporting position, therefore four-bar mechanism is preferably deployed into quadrangle position from crossover location It puts, in the quadrangle position, connecting rod or its line for connecting each hinge joint are no longer intersecting, but generally form one Quadrangle.The advantages of this specific composition of swing mechanism is that discharge position is realized, the element of swing mechanism, especially It is that drive link, cylinder-piston unit and swing connecting bar can be built into the vertical height of conveyor-belt apparatus, so as to these elements both It is not also downwardly projected upwards, and relative to the lower part and top is downwardly and upwardly in the vertical direction thus no protrusion 's.It is realized particularly well whereas for transporting position, each element of swing mechanism is additionally being passed relative to lower part and top End side at the fold domain of Work-feeding means is designed to without prominent.
The specific composition of drive link is variable.But in order to realize the particularly compact design of swing mechanism, it is preferred that Second hinge, third hinge and the 6th hinge in drive link are at one perpendicular to second hinge, third hinge and the 6th hinge Projection on the common imaginary datum plane of the hinge axes of chain is located on a common straight line.In the side of conveyor-belt apparatus It is therefore contemplated that an imaginary straight line, foregoing hinge are arranged side by side on the imaginary straight line in view.This In it is desirable that the 6th hinge is located between second hinge and third hinge.Thus drive link can be designed on the whole It is more elongated and still realize spatially most preferably connect cylinder-piston unit.
In order to obtain the particularly preferred mechanical protection to swing mechanism, the swing mechanism is preferably configured as so that is being transmitted When band device is in transporting position, i.e., when on the top of conveyor-belt apparatus, swing is raised on the downside of lower part, drive link It is not protruded on the longitudinal direction of lower part relative to the first axle for connecting the top and the lower part with swing connecting bar.First hinge The end side that chain is located at outside on the longitudinal direction of lower part relative to lower part inwardly bounces back.If the rest part of swing mechanism, especially It is that drive link and swing connecting bar are also opposite without being located at the end side in outside along court in transporting position along the longitudinal 2 observation of lower part Protruded in the first axle that connect on top with lower part, then thus additionally realize a kind of buffering area, so as to swing mechanism by To better protection.
In addition, being set in a preferred improvement project, protect and draw using at least some parts of swing mechanism Lead supply line, such as hydraulic hose.It sets, is equipped at least on the end side put toward each other of top and/or lower part thus One fork arm guides supply connection, particularly hydraulic hose by the fork arm.Fork arm is distinguished by, the fork arm Laterally at least partially there is gap between the lath in outside and the lateral lath positioned inside about conveyor-belt apparatus (Freilassung), the gap is used for here across supply line.Thus it on the one hand will be supplied along direction inwardly or outwardly Pipeline is held in place, and on the other hand mechanically protects supply line by being located at the lath in outside outward.
The specific setting of fork arm is preferably such, first axle by two of upper and lower part it is rabbeting each other and Via at least one hinge components, for example be specifically shaft element connection fork arm formed.Supply line can connect in this way Lead to lower part, and vice versa from top with passing through, so as to will not particularly interfere conveyer belt dress due to the distribution of supply line Put the adjusting between transporting position and discharge position.
In order to be further improved the rodability of ground milling machine according to the present invention, it is furthermore preferred that top is under The end side put toward each other in portion is configured to so that the end side is when conveyor-belt apparatus is in transporting position in end side and one A common imaginary vertical line substantial alignment.It means that the end side of upper and lower part is excellent about being longitudinally extended for lower part Phase selection obliquely forms the imaginary vertical line, and maximum region is protruded outward at least with it.As a result, in ground facing cut Best result can be obtained in the transportation lengths of planer.
In general, conveyor-belt apparatus is adjustable in its obliquity relative to ground milling machine rest part, so as to example Height such as emptying point is variable.Certainly, the composition being aligned about common imaginary vertical line is appeared in transport position In the special angle position for the conveyor-belt apparatus put.It is preferred that here that conveyor-belt apparatus, at least the longitudinal axis of lower part with Horizon extends in 15 ° to 60 °, particularly 20 ° to 30 ° of angular range.Therefore, particularly front is in lower part here During obliquity in the angular range, it may appear that upper and lower part in transporting position positioned at the end side in outside substantially The termination portion occurred in alignment relative to common imaginary vertical line.The angle position is therefore preferred, because of this angle Spend transportation lengths and the transport height necessary to the top being recovered on downside for carrying swing that position realizes ground milling machine Best compromise between degree.
It is contemplated that various modifications in terms of the specific composition of swing mechanism.Here it is particularly preferred that when driving Dynamic connecting rod and swing connecting bar are in acute angle when conveyor-belt apparatus be in swing position and position, particularly at 20 ° extremely 70 °, especially 40 ° are to the angle in the range of 50 °.Supplement or alternatively advantageously, drive link and swing connecting bar are passing Work-feeding means are in obtuse angle positioning when being in transporting position, angle particularly at least 95 ° is especially at least 100 ° of angle.In addition it supplements or alternatively it is also advantageous that the lower arm of drive link is in discharging in conveyor-belt apparatus It is at an acute angle with the adjustment axis of cylinder-piston unit when in position, and the hinge arms of drive link are in transport in conveyor-belt apparatus It is at an acute angle with the adjustment axis of cylinder-piston unit when in position.In this improvement project, therefore drive link is configured to both arms The connecting rod of formula, including the lower arm connected by the lower part of second hinge and conveyor-belt apparatus and by third hinge and the company of swing The hinge arms of bar connection.Described two arms of drive link are mutually butted in the region of the 6th hinge, are preferably mutually in line The docking of extension ground.All foregoing angle values refer here to respective element on vertical datum plane, i.e. swinging plane Projection, the datum plane usually vertically extension and the operating direction about ground milling machine extend forward or backward.
Equipped with wobble lock mechanism, the wobble lock mechanism is configured to so that is in transporting position in conveyor-belt apparatus Top is fixed on lower part by the wobble lock mechanism when middle.It ensures in this way, in transporting position and/or discharge level Putting middle can reliably keep relative positioning of the top relative to lower part.Wobble lock mechanism here particularly can include transverse to The form locking device of corresponding swaying direction effect, particularly such as mechanical organ, such as grapple, clamping apparatus, locking pin.This A little mechanical organs can be manually, but especially can also be can remote control, grasped especially by appropriate control device It is vertical.In this case, it supplements or safety control device can be alternatively set, only when top positions in discharge position And when being locked on lower part, the safety control device just for example allows to debug conveyor-belt apparatus.For this purpose, it can set Corresponding sensor is put, the sensor detects corresponding adjusting position, and particularly lower part is relative to top and wobble lock machine The adjusting position of structure in itself, and the adjusting position is sent to control device.Wobble lock mechanism makes it is then preferred that be configured to Obtain the position that wobble lock mechanism directly locks swing mechanism.Thus before wobble lock mechanism is acted on especially by form locking On element described in face, particularly in drive link or swing connecting bar, to establish locking form locking.The advantages of this measure It is, it is possible to reduce the necessary component of wobble lock mechanism.
In order to realize top reliable and uniform swing between transporting position and discharge position relative to lower part, into one Step advantageously, sets a foregoing swing mechanism respectively on the both sides of conveyor-belt apparatus.In order to realize in phase The two swing mechanisms are adjusted, by appropriate control device, particularly coordinate existing two cylinders-piston list at this time The adjusting campaign of member.
Description of the drawings
Below with reference to embodiment is provided in the accompanying drawings, the present invention will be described in detail.Wherein schematically:
Figure 1A shows the side view of the ground milling machine of tail portion rotating member milling machine type;
Figure 1B shows the side view of the ground milling machine of central rotational part milling machine type;
Fig. 2A shows the partial side view on the region A of Figure 1A when conveyor-belt apparatus is in discharge position;
Fig. 2 B show the area of Figure 1A when conveyor-belt apparatus is in the centre position between discharge position and transporting position Partial side view on the A of domain;
Fig. 2 C show the partial side view on the region A of Figure 1A when conveyor-belt apparatus is in transporting position;
Fig. 3 A show the crossover location of the swing mechanism of Fig. 2A;
Fig. 3 B show the quadrangle of the swing mechanism of Fig. 2 C;
Fig. 3 C show the stacking chart of Fig. 3 A and 3B;And
The orientation in the end side of transporting position of Fig. 4 along lower part and top shows the perspective oblique view of conveyor-belt apparatus.
Specific embodiment
In the accompanying drawings, identical component is presented with like reference characters, and is not each component repeated in the accompanying drawings It must be marked in each attached drawing.
Figure 1A and 1B shows the theory structure of ground milling machine 1 first.Main element includes being held by mobile devices 2 here The rack 3 of load, the rack carry bridge 4, drive motor 5, ground milling equipment 6 and conveyor-belt apparatus 7.Mobile devices 2 can be connect by adjustable for height lifting column with rack.Ground milling equipment 6 includes milling roller case and inside milling roller case Include milling roller in a known manner, the milling roller can be around pivot center rotation horizontal and transverse to operating direction A extensions Turn ground bearing, and with being embedded in ground scarifying earth material.The milling material that occurs at this time can be by being represented in figure with K Opening (discharge gate) inside milling roller case is loaded on conveyor-belt apparatus 7.This opening is in the side view from outside It is correspondingly invisible.In the tail portion rotating member milling machine according to Figure 1A, conveyor-belt apparatus 7 is arranged on two in tail region In the height of mobile devices 2 below.In the central rotational part milling machine according to Figure 1B, ground milling equipment 6 is in contrast Mobile devices between mobile devices in front and below substantially in the center and front and back of rack 3 are set with separating spacing It puts.Bridge 4 is always located in the top of ground milling equipment 6.In the ground milling machine 1 according to Fig. 1, the loading of milling material Therefore it carries out far from ground milling machine 1 with operating direction A, on the contrary in the ground milling machine 1 according to Figure 1B, is passed backward on the contrary Work-feeding means 7 are arranged on the front of rack 3 and the rest part of machine are protruded from along operating direction A, so as to milling material It loads along operating direction in the made above of ground milling machine 1.Another area of the machine type shown in Figure 1A and Figure 1B It does not also reside in, in the tail portion rotating member milling machine 1 according to Figure 1A, is provided only with a conveyor-belt apparatus 7.It is usually significantly larger Further include the primary conveyer belt 8 of an inside in contrast according to the central rotational part milling machine of figure B, the primary conveyer belt exists Figure 1B is only partially visible.The milling material occurred in milling roller case is transported to along transporting direction by the primary conveyer belt to be set On the conveyor-belt apparatus 7 in downstream, the form of the conveyor-belt apparatus is trailer type conveyer belt
The conveyor-belt apparatus 7 of Figure 1A and 1B can fold between discharge position and transporting position, on the one hand to realize pair Keep in the sufficiently high emptying point of milling material and on the other hand the transportation lengths of ground milling machine as small as possible.For this purpose, it passes Work-feeding means 7 include top 9 and lower part 10.The upper and lower part is connected with each other by first axle G1.In figure 1A, top 9 swing on the downside of lower part 10, so as to which conveyor-belt apparatus 7 is located in transporting position.In addition, in comparison in Figure 1A In be shown in broken lines the position that the swing on top 9 is raised.This corresponds to discharge position.In fig. ib, conveyor-belt apparatus 7 is equally located In discharge position.Here it is particularly Fig. 1 and shows the total length of ground milling machine 1, i.e. along the horizontal-extending length of operating direction A When degree is swung on top 9 on lower part 10, it is significantly less than conveyer belt exhibition when conveyor-belt apparatus 7 is in transporting position in other words Situation when opening, so as to be convenient for the transport of ground milling machine in this positioning.Conveyor-belt apparatus 7 includes longitudinal axis L in addition.Institute Longitudinal axis is stated to correspond to conveyor-belt apparatus 7, particularly lower part 10 along operating direction A according to definition or be in reverse to the vertical of operating direction To extension.It is recovered on lower part 10 by the way that top 9 is swung, therefore top 9 is in the lower section of lower part 10 in this positioning, pass Total longitudinal extension of the longitudinally L of Work-feeding means 7 correspondingly reduces.
Additionally be equipped with regulating device 11 (only showing in fig. ib), such as its form be pulley blocks or cylinder-piston unit, By the regulating device can change conveyor-belt apparatus 7 orientation angle or longitudinal axis L relative to horizontal angle.Adjust dress 11 are put so that the discharging height of conveyor-belt apparatus 7 can be changed.In the end sides of machine side, conveyor-belt apparatus 7 is also It is supported in rack 3 via swing hinge 12 by lower part 10.It is alternatively possible to equipped with dust suction unit, the dust is taken out Device is inhaled to be more particularly set at least partly on the upside of lower part 10.In addition, swinging arrow C further indicates top 9 around first Adjusting campaigns of the hinge G1 from discharge position to transporting position.
Fig. 2A, 2B and 2C show the part of the region B of Figure 1A with top 9 relative to the different relative positions of lower part 10 now Enlarged drawing.Although being not illustrated in detail in fig. ib, set according to the present invention, the ground milling machine 1 of Figure 1B is in conveyor-belt apparatus 7 This region in and its swing mechanism also correspondingly form.
A according to fig. 2 should illustrate the main element of swing mechanism first.Main element also has pendulum in addition to top 9 and lower part 10 Linkage, the swing-bar mechanism have drive link 13 and swing connecting bar 14.In addition, cylinder-piston unit 15 is additionally provided with as pendulum Dynamic driver.Drive link 13 can be supported swingingly by second hinge G2 on lower part 10.On its opposite end, driving Connecting rod 13 is hingedly connect by hinge G3 with swing connecting bar 14, and the swing connecting bar is hinged on conveyer belt further through hinge G4 and fills It puts on 7 top 8.Turning joint G1, G2, G3 and G4 are realized between corresponding component rotatably, and pivot center is all here It extends parallel to each other, as being generally also in the hinge G5 and G6 that may also be noticed that below.Cylinder-piston unit 15 is logical It crosses the 5th hinge G5 and is connect with lower part 10 and pass through the 6th hinge G6 and connect with drive link 13.
Fig. 2A is shown here as each element of swing mechanism described above is arranged in the discharge position on top 9, makes The top that second hinge G2 and the 4th hinge G4 is located at the longitudinal midline M of conveyor-belt apparatus 7 is obtained, and first axle G1, third are cut with scissors Chain G3 and the 5th hinge G5 is in contrast positioned at the lower section of the longitudinal midline M of conveyor-belt apparatus 7.In the longitudinal direction of conveyor-belt apparatus 7 Line M refers here to imaginary center line, and the center line extends through the vertical line between the upside O of conveyor-belt apparatus 7 and downside U Midpoint.Thus longitudinal midline M gives the distribution tendency at the center of conveyor-belt apparatus 7 about vertical extension.Cylinder-work as a result, Fill in hinge joint G5 of the unit 15 on lower part 10 with by the swing-bar mechanism that drive link 13 and swing connecting bar 14 form on top and Hinge joint G2 on lower part is located at about longitudinal midline M on opposite side with G4.In addition, in the discharge position of A according to fig. 2 In, all elements of swing mechanism are all located within the height of conveyor-belt apparatus 7, that is, in side view, therefore positioned at biography In vertical range between the upside O of Work-feeding means 7 and downside U.
If cylinder-piston unit 15 bounces back, thus 13 around hinge G2 of drive link is put towards the direction of cylinder-piston unit 15 It is dynamic.Thus the adjusting campaign in swing connecting bar 14 triggered finally causes top 9 to show relative to lower part 10 to lower swing, such as Fig. 2 B As going out.If the adjusting campaign of cylinder-piston unit 15 continues, thus the downside U of top 9 towards lower part 10 is swung, Until entering transporting position, as shown in Figure 2 C.In this positioning, top 9 and lower part 10 respective are longitudinally extended base at its It is mutually parallel on this.Here Fig. 2 C are shown, in transporting position, all elements of swing mechanism are also all located at conveyor-belt apparatus 7 Vertical height within, so as to can completely avoid in the ideal case for example due to occurring when dispatching ground milling machine 1 Damage caused by collision.
Fig. 2 C are also shown that be realized by the specific composition of swing mechanism, in transporting position, particularly drive link 13rd, it is not prominent that swing connecting bar 14 and cylinder-piston unit 15 are located at external end side relative to top 9 and lower part 10.Cause This, in transporting position, positioned at external end side be upper and lower part backwards to the end side of the rest part of ground milling machine or Say it is the end side being connected with each other by hinge G1.Therefore, these elements are not all protruded from along the direction of the longitudinal axis L of lower part 10 The end side of lower part 10 and the end side on top 9 to lower swing.
Fig. 2 C finally also illustrate another important feature.Accordingly, the end side be formed in transporting position also about Transportational process is optimized.The outer end point of C according to fig. 2, top 9 and lower part 10 is in the rest part backwards to ground milling machine 1 Side on (end side) be substantially configured in the height of vertical line V it is concordantly terminating or being mutually aligned.Top 9 and lower part Therefore 10 are tiltedly formed in the outer end point updip in this region, thus equally realize the transportation lengths for shortening machine.At this The concordant vertical termination section of in the case of kind importantly, two end sides along benchmark vertical line V be related to conveyor-belt apparatus 7 relative to The determining angle position on ground.It is this inclination therefore be specifically preferably configured as so that when conveyor-belt apparatus 7 with it (at least Lower part 10) for longitudinal axis L when being extended relative to horizon with 15 ° to 60 °, particularly 20 ° to 30 ° of angle, it is vertical to obtain Benchmark vertical line V.In the present example, the angle is about 24 °.
Fig. 3 A, 3B and 3C show the basic conception of current oscillation mechanism.Here, it is schematically shown in Fig. 3 A and 3B in hinge The connecting rod acted between G1, G2, G3 and G4.This is therefore corresponding to the connection straight line between each hinge G1, G2, G3 and G4.Tool For body, connection straight line VG1 extends between hinge G1 and G2, and connection straight line VG2 extends between hinge G2 and G3, and connection is straight Line VG3 extends between hinge G3 and G4, and connects straight line VG4 and extend between hinge G4 and G1.Arrangement in Fig. 3 A Here correspond to the discharge position of the conveyor-belt apparatus 7 of A according to fig. 2, the deployment mechanism in Fig. 3 B exists corresponding to conveyor-belt apparatus 7 Positioning in the transporting position of C according to fig. 2.
By Fig. 3 A it can be seen firstly that swing mechanism is generally configured to the form of four-bar mechanism, particularly double leval jib machine The form of structure.The four-bar mechanism is in so-called crossover location herein in relation to its connecting rodBecause Drive link 13 (VG2) in swinging plane (perpendicular to the plane of pivot center) between hinge G2 and G3 with by 9 structure of top Into hinge G4 and G1 between connecting rod section (VG4) it is intersecting.If top 9 is swung to lower part 10 in transporting position now, Then crossover location is unfolded to the quadrangle position of B according to fig. 3, and in the quadrangle position, each connecting rod is with the shape of quadrangle Formula extends between each hinge G1, G2, G3 and G4.This motion process is shown again in fig. 3 c, the attached drawing form Fig. 3 A with The superposition of Fig. 3 B, the positioning here according to Fig. 3 B are shown in broken lines.Particularly return to the crossover location one for discharge position Aspect, which allows to obtain, more saves space-efficient swing mechanism, on the other hand the swing mechanism makes it possible to realize to transport position Complete adjust put moves, and the laterally outside size for all not exceeding conveyor-belt apparatus 7 in two swing positions here is (right Outer profile that should be in conveyor-belt apparatus 7 in swinging plane, is the outer profile in side view in the current situation) or protrude from it Outer profile.
Fig. 2A, 2B and 2C also show that hinge G2, G3 and G6 are located at common connection straight line VG2 in swinging plane in addition On, here, hinge G6 is arranged on about this reference line between hinge G2 and G3.Therefore, it is generally configured to double-arm Drive link 13 includes lower arm 16 and hinge arms 17, and by the lower arm, drive link connects via hinge G2 and lower part 10 It connects, by the hinge arms 17, drive link is connect in hinge G3 with swing connecting bar 14.In the transporting position of A according to fig. 2 In, cylinder-piston unit 15 and hinge arms 17 are at an acute angle, and at an acute angle with lower arm 16 in discharge position.
It can equally be shown by Fig. 2A to 3C, drive link 13 is entirely being adjusted relative to the relative position of swing connecting bar 14 How to change in the process.In discharge position, drive link and swing connecting bar or its between corresponding hinge G2, G3 and G4 Connection straight line mutually extends at an acute anglely, particularly into the angle in the range of 20 ° to 70 °, especially at 40 ° to 50 ° The angle of the angle of range, in this embodiment about 47 °.On the contrary, in transporting position, the relative position of described two elements Mutually change in this way so that the connection straight line of drive link 13 and swing connecting bar 14 in other words between hinge G2, G3 and G4 is mutual It is positioned into obtuse angle, angle and especially 100 ° of angle especially at least for 95 ° are about 103 ° in the present example Angle.As a result, when the transporting position on top is from discharge position to lower part is swung, swing connecting bar 14 is relative to drive link 13 Movement is shown in implementation.
Another details of the present invention is finally obtained by Fig. 4, which passes through hinge G1 phases with to top 9 and lower part 10 The perspective strabismus of the end side observation to connect illustrates the conveyor-belt apparatus 7 in transporting position.Shown here as supply line, Specifically hydraulic pipeline 18, the supply line for the operation driving device into top for example, it can be set to carry out Supply.It supports to hinge G1 distribution of the supply line on top 9 and lower part 10, for this purpose, on top 9 and in lower part 10 On be respectively equipped with fork arm 19, the fork arm is connected with each other by hinge G1.The fork arm 19 respectively includes two transverse to swing Direction is spaced from each other the lath 19A (outer lath) of spacing and 19B (interior lath).The shape between lath 19A and 19B of hydraulic pipeline 18 It is guided into intermediate space around G1.This specific form of implementation so that particularly transport can also be in conveyor-belt apparatus 7 Protection hydraulic pipeline 18 is realized when in position.It is lateral to protect, i.e. to the longitudinal side erected vertically of 7 side of conveyor-belt apparatus Protection is realized here also by outer lath 19A.In addition, such as drive link 13 is opposite about longitudinal midline M with swing connecting bar 14 Outside is arranged in hydraulic pipeline 18.Finally, hydraulic pipeline 18 around the guiding of G1 also towards end side at least substantially in transport The inside of conveyor-belt apparatus 7 in position is realized, as being for example shown specifically in fig. 2 c.Boundary vertical line V is located at liquid Except pressure pipeline 18, at least partly touched and thus being realized in other words transverse to side towards end side direction for hydraulic pipeline 18 Hit protection.

Claims (12)

1. ground milling machine (1), including:
The rack (3) carried by mobile devices (2);
Drive motor (5);
Bridge (4);
Ground milling equipment (6), the ground milling equipment have milling roller and the milling roller case with discharge gate (K);
The conveyor-belt apparatus (7) that can be folded between transporting position and discharge position in discharge position, can pass through the biography Work-feeding means convey milling material via discharge gate from the inside of milling roller case towards dump location, wherein
The conveyor-belt apparatus (7) is mutual by first axle (G1) with lower part (10) and top (9), the lower part and top Connection, lower part (10) are supported on machine side in the end regions opposite with first axle (G1), and the top (9) is in discharging It is bonded on the lower part in extension along the longitudinal direction of lower part (10) in position, and in transporting position, the top is swung It is recovered on the downside (U) of lower part (10),
The ground milling machine also has swing mechanism, and the swing mechanism includes swinging driver (15) and swing-bar mechanism, institute Stating swing-bar mechanism has drive link (13) and swing connecting bar (14),
The drive link (13) is supported on by second hinge (G2) on lower part (10), and is passed through third hinge (G3) and be supported on In swing connecting bar (14),
The swing connecting bar (14) is also supported on via the 4th hinge (G4) on top (9),
And swinging driver is the cylinder-piston unit (15) that can linearly adjust, and the cylinder-piston unit passes through on one end It is hinged on lower part (10) by the 5th hinge (G5) and is hinged in drive link (13) via the 6th hinge (G6),
The swing mechanism is configured to so that when top (9) are in discharge position, second hinge (G2) and the 4th hinge (G4) it is arranged on the top of the longitudinal midline (M) of conveyor-belt apparatus (7), and first axle (G1), third hinge (G3) and the 5th Hinge (G5) is arranged on the lower section of the longitudinal midline (M) of conveyor-belt apparatus (7), and the swing mechanism is also configured to so that Cylinder-piston unit (15) when withdrawing is swung in top (9) and the position of retraction is moved to from the position of stretching, and pull drive at this time Dynamic pull rod (13) so that in transporting position, driving pull rod (13) and swing pull rod (14) are relative to top (9) and lower part (10) It is not protruded positioned at the end in outside along longitudinal direction.
2. ground milling machine (1) according to claim 1, which is characterized in that the lower part (10), is driven at the top (9) Dynamic connecting rod (13) and swing connecting bar (14) are together with first axle (G1), second hinge (G2), third hinge (G3) and the 4th hinge (G4) four-bar mechanism is formed together, which is configured to so that in conveyor-belt apparatus (7) in discharge position When, the four-bar mechanism is in the crossed position, and when conveyor-belt apparatus (7) is in transporting position, the double leval jib machine Structure is in quadrangle position.
3. the ground milling machine (1) according to one of the claims, which is characterized in that drive link (13) is configured to, So that second hinge (G2), third hinge (G3) and the 6th hinge (G6) in drive link (13) are cut with scissors at one perpendicular to second Projection on the common imaginary datum plane of the hinge axes of chain (G2), third hinge (G3) and the 6th hinge (G6) is located at one On a common straight line (VG2).
4. the ground milling machine (1) according to one of the claims, which is characterized in that the swing mechanism is configured to, So that when conveyor-belt apparatus (7) is in transporting position, drive link (13) and swing connecting bar (14) are relative to described in connection The first axle (G1) of top (9) and the lower part (10) does not protrude in the longitudinal direction.
5. the ground milling machine (1) according to one of the claims, which is characterized in that in top (9) and lower part (10) The end side put toward each other be equipped with fork arm (19), pass through the fork arm and guide supply connection (18), particularly hydraulic hose.
6. ground milling machine (1) according to claim 5, which is characterized in that first axle (G1) by top (9) and under Two of portion (10) rabbeting each other and is formed via the fork arm (19A, 19B) of at least one hinge components connection.
7. the ground milling machine (1) according to one of the claims, which is characterized in that top (9) and lower part (10) End side towards each other is configured to so that the end side is when conveyor-belt apparatus (7) is in transporting position in end side and one Common imaginary vertical line (V) substantial alignment.
8. the ground milling machine (1) according to one of the claims, which is characterized in that conveyor-belt apparatus (7) is transporting Be arranged in this way on remaining machine part in position so that at least the longitudinal axis (L) of the lower part (10) of conveyor-belt apparatus (7) with Horizon is extended with the angle in the range of 15 ° to 60 °, particularly 20 ° to 30 °.
9. the ground milling machine (1) according to one of the claims, which is characterized in that the swing mechanism is configured to, So that the swing mechanism has at least one following characteristics:
Drive link (13) and swing connecting bar (14) are in acute angle positioning when conveyor-belt apparatus (7) is in swing position, Particularly into 20 ° to 70 °, especially 40 ° to the angle in the range of 50 °;And/or
Drive link (13) and swing connecting bar (14) are in obtuse angle positioning when conveyor-belt apparatus (7) is in transporting position, Angle particularly at least 95 ° is especially at least 100 ° of angle;And/or
The lower arm (16) of drive link (13) when conveyor-belt apparatus (7) is in discharge position with cylinder-piston unit (15) Adjustment axis it is at an acute angle, and the hinge arms (17) of drive link (13) when conveyor-belt apparatus (7) is in transporting position with The adjustment axis of cylinder-piston unit (15) is at an acute angle.
10. the ground milling machine (1) according to one of the claims, which is characterized in that equipped with wobble lock mechanism, institute It states wobble lock mechanism to be configured to so that when conveyor-belt apparatus (7) is in transporting position, the wobble lock mechanism will be upper Portion (9) is fixed on lower part (10).
11. ground milling machine (1) according to claim 10, which is characterized in that the wobble lock mechanism directly locks The position of swing mechanism.
12. the ground milling machine (1) according to one of the claims, which is characterized in that the two of conveyor-belt apparatus (7) One swing mechanism according to one of the claims is respectively set on a side.
CN201711399486.0A 2016-12-23 2017-12-22 Floor milling machine with foldable conveyor belt Active CN108239910B (en)

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