EP0048465A2 - Véhicule de répandage pour matières de dégèlement solides et liquides - Google Patents

Véhicule de répandage pour matières de dégèlement solides et liquides Download PDF

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Publication number
EP0048465A2
EP0048465A2 EP81107405A EP81107405A EP0048465A2 EP 0048465 A2 EP0048465 A2 EP 0048465A2 EP 81107405 A EP81107405 A EP 81107405A EP 81107405 A EP81107405 A EP 81107405A EP 0048465 A2 EP0048465 A2 EP 0048465A2
Authority
EP
European Patent Office
Prior art keywords
spreading
liquid
vehicle according
thawing
vehicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP81107405A
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German (de)
English (en)
Other versions
EP0048465B1 (fr
EP0048465A3 (en
Inventor
Willy Küpper
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubert Weisser KG Te Braeunlingen Bondsrepubliek
Original Assignee
Kuepper Willy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kuepper Willy filed Critical Kuepper Willy
Priority to AT81107405T priority Critical patent/ATE8517T1/de
Publication of EP0048465A2 publication Critical patent/EP0048465A2/fr
Publication of EP0048465A3 publication Critical patent/EP0048465A3/de
Application granted granted Critical
Publication of EP0048465B1 publication Critical patent/EP0048465B1/fr
Expired legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
    • E01C19/201—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels
    • E01C19/202—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels solely rotating, e.g. discharging and spreading drums
    • E01C19/203—Centrifugal spreaders with substantially vertical axis
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H10/00—Improving gripping of ice-bound or other slippery traffic surfaces, e.g. using gritting or thawing materials ; Roadside storage of gritting or solid thawing materials; Permanently installed devices for applying gritting or thawing materials; Mobile apparatus specially adapted for treating wintry roads by applying liquid, semi-liquid or granular materials
    • E01H10/007—Mobile apparatus specially adapted for preparing or applying liquid or semi-liquid thawing material or spreading granular material on wintry roads
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H3/00—Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices
    • E01H3/02—Mobile apparatus, e.g. watering-vehicles

Definitions

  • the invention relates to a spreading vehicle for solid, granulated and liquid thawing materials which are removed from separate containers and are each supplied in quantities of throwing rotors which are proportional to the driving speed and can be set to selectable scattering densities.
  • the liquid thawing materials are not scattered separately but are only used to moisten the solid thawing materials (e.g. DE-PS 1 936 564, DE-PS 2632 794, DE- OS 1 534 296, DE-OS 1 459 760, DE-AS 1 299 013, CH-PS 516 050).
  • DL-PS 70612 Devices for spraying a de-icing salt solution on traffic areas are also known (DL-PS 70612), in which a spray device with spray nozzles is mounted on a vehicle, to which the de-icing salt solution is fed from a liquid container carried by a liquid pump, in which the de-icing salt solution is dependent on the driving speed controllable amounts is delivered to the spray device.
  • DL-PS 70612 Devices for spraying a de-icing salt solution on traffic areas.
  • spreading devices known (DE-PS 2 011 894) which can be placed on the loading platform of a vehicle and with which different spreading materials, eg. B. grit and salt can be spread simultaneously or separately and have two separate containers, each with an endless conveyor and a spreading plate.
  • these spreaders have a control device for the driving speed-dependent drive of the endless conveyors and for setting different constant drive speeds of the spreading discs, the drives of the endless conveyors and the spreading discs of both containers being switchable both individually and together.
  • the two containers and their endless conveyors are arranged parallel to one another in the direction of the longitudinal axis of the vehicle and are each equipped with a spreading disc at the rear end of the endless conveyor, at least one of which can be pivoted about an eccentric vertical axis and can be locked in any pivot position.
  • double spreaders only solid granulated spreading materials can be spread.
  • both spreading devices at the same time, it is possible to achieve double the spreading width of a single spreading device, so that even relatively wide roads in one spreading operation can be sprinkled over.
  • the maximum achievable spreading width is only about 10 mtr., Which is due in particular to the fact that the two spreading devices are arranged close to each other and only allow a spreading angle of maximum 90 ° if a homogeneous spreading density is to be ensured. Liquid thawing materials alone cannot be spread with these known spreading devices.
  • the invention has for its object to provide a spreading vehicle of the type mentioned, with the liquid or solid thawing agents either separately or mixed in one operation over a maximum spread of about 25 mtr .. as well as in any narrow spread with a homogeneous spreading density can be spread and with which a mist-forming spray effect is largely avoided when separately sprinkling liquid thawing materials.
  • Such a gritting vehicle is particularly intended and suitable for combating winter slippery, namely both snow and ice slippery on airport runways.
  • a particular advantage can also be seen in the fact that the spreading of liquid thawing substances alone or by spreading a mixture of liquid and solid thawing substances can prevent the formation of smoothness.
  • Hydraulic motors are also given the possibility of using the three existing spreading devices to spread different thawing substances, namely liquid or solid thawing substances, so that the spreading vehicle according to the invention can be optimally used in accordance with the given conditions.
  • This also includes the possibility of sprinkling narrow area strips by using only one or two spreading devices.
  • endless conveyors accommodated in the laterally protruding conveying tubes are each provided with hydraulic motors which are hydraulically connected in series with the hydraulic motor of the associated endless conveyor running in the longitudinal direction of the vehicle not only ensures reliable functional reliability with regard to the material transport from the container to the outer spreading devices ensures, but also facilitates the possibility provided according to the invention to pivot the delivery pipes from their laterally projecting transverse position into an at least approximately parallel longitudinal position running parallel to the longitudinal axis of the vehicle.
  • each having a spreading disc rotating about a vertical axis of rotation and provided with throwing vanes on its upper side Spreading devices each have two downspouts arranged concentrically to the axis of rotation, which form separate feed channels for the liquid and the solid, granulated thawing materials, each ending below the throwing vane plane and provided with radial outlet openings, and that the thawing liquid and the outer downpipe are fed with the solid thawing materials will.
  • the spreader plate has two radially offset groups of throwing blades and that one group of throwing blades in an annular channel formed by the two downpipes and the other group of throwing blades is arranged radially outside the outer downpipe, the advantage of an additional improvement Scattering characteristics achieved especially for the liquid thawing material and the spreading of a thawing material mixture.
  • the ring formed in the two filling pipes throwing blades arranged in the channel have radial throwing surfaces and that the throwing blades arranged outside the outer downpipe have a caster angle of about 10 ° to 15 ° to the radial.
  • the different flow and centrifugal behavior of the solid and liquid thawing materials is taken into account by the fact that the outlet opening of the inner downpipe carrying the dewing liquid extends over a larger central angle of approx. 210 than the outlet opening of the outer downpipe supplying the solid thawing materials extends over a central angle of approx. 180 °.
  • the two outlet openings of the inner and outer downspout are offset in relation to one another in the circumferential direction in such a way that the axial boundary edge of the outlet opening of the outer downpipe, which is at the front in the direction of rotation of the spreader plate, viewed in the direction of rotation of the spreader plate, by a central angle of about 45 ° in front of the front axial boundary edge of the outlet opening of the inner downpipe.
  • the spreading disc is provided with a truncated cone protruding from below into the inner downpipe.
  • the invention is further characterized in that for the optional spreading of dew liquid or solid thawing material or for the optional simultaneous spreading of dewing liquid and solid thawing material by the same spreading device, in each case in a manner regulated by a driving speed proportional and a preselectable spreading density, as well as adjustable spreading width, corresponding spreading quantities for the control of the hydraulic motors of the endless conveyor assigned to the three control devices and the hydraulic motors of the liquid pumps supplying the spreading devices with dew liquid, three hydraulic control units each assigned to a spreading device and each consisting of two separately and jointly electrically operated electromagnetic valves, which in their idle states each serve the pressure line of a hydraulic motor Endless conveyor and the pressure line of the hydraulic motor of a liquid pump with a return line Connect hydraulic fluid.
  • the advantage of this measure is, in particular, the simplicity, the low cost and the reliable functional reliability of the control device, it being possible to achieve four different stable control states with only two electromagnetic valves each.
  • a very simple and clear operation can be achieved in that the hydraulic control units each have three electrical closing switches connected in parallel to one another Switching unit are equipped, wherein a closing switch is located directly in the circuit of a solenoid valve and the third closing switch is connected via diodes in each circuit of the two solenoid valves.
  • Such a device is itself known from DE-PD 2632 794; So far, however, it has only been used in a salt spreader with a sprinkler humidifier.
  • the pressure lines of the hydraulic motors driving the endless conveyors and the liquid pumps are connected on the output side to a triple flow divider, the input of which is connected to an electric proportional valve controlled by the travel speed and that the pressure lines of the three spreading discs driving hydraulic motors connected on the output side to a triple flow divider are, the input of which is connected to a manually adjustable proportional valve connected to a second pressure medium pump.
  • the container 2 consists of a closed barrel provided with a filling opening 4 and serves to carry liquid Thawing agent e.g. from calcium hydroxide (CaC1 2 ).
  • the container 3 is designed as an open top box with partially sloping walls, which has in its lower area three adjacent troughs 6, 7 and 8 which run parallel to the longitudinal center axis 5 of the vehicle and in which solid granulated thawing materials such as potassium salt are carried.
  • the spreader 16 is pivotally mounted about a horizontal, transverse to the vehicle longitudinal axis 5 pivot axis at the rear end of the conveyor tube 15, so that the spreader 16 during the trips to the respective location in the position shown in dash-dotted lines can be pivoted and locked in this.
  • the locking of the spreading device 16 in the lower working position and in the swung-up rest position can be secured by means of a manually operated bolt 17 or, as known per se, by means of a gas spring which is arranged in the form of a knee joint.
  • the two outer conveying troughs 6 and 8 each open into the outside of the rear end wall of the container 2 Ver l teil ceremoniessrohre 18 and 19, which in turn each communicate with a perpendicular to the vehicle longitudinal center axis 5 laterally outwardly projecting delivery tubes 20 and 21 in combination.
  • the conveyor tubes 20 and 21 are each arranged in a plane below the extension tubes 18 and 19 and pivotally connected to them in such a way that they can be pivoted forward from the position shown in FIGS. 2 and 3 so that they can be moved during the trips of the gritting vehicle 1 can assume an approximately parallel position to the longitudinal center axis 5 of the vehicle at the respective places of use.
  • the spreading device 16 shown in FIGS. 4 and 5 has a spreading disc 28 which serves as a throwing rotor and which is attached to the lower end of a shaft 29 arranged perpendicularly.
  • Two downspouts 31 and 32 are arranged concentrically to the axis of rotation 30 of the shaft 29, the diameter of the inner downpipe 32 being approximately half as large as the diameter of the outer downpipe 31.
  • Both downpipes 31 and 32 end at their upper end in the same plane and are provided with a common cover 33, through which they are connected to each other, and on which the upper bearing 34 of the shaft 30 is arranged.
  • a bracket 35 is screwed onto the cover 30, on which a hydraulic motor is fastened, the shaft end 37 of which is connected to the shaft 30 in a rotationally fixed connection by a coupling 38.
  • a sloping section 39 of a guide pipe 40 is welded to the side of the outer downpipe 31, the perpendicular section 41 of which is connected to a lower outlet opening of the delivery pipe 15, so that the granulated thawing material transported by the endless conveyor 10 through the delivery pipe 15 passes through the guide pipe 40 in the annular feed channel 42 existing between the inner down pipe 32 and the outer down pipe 31.
  • the inner guide tube 32 is provided with a radial pipe connection 42 directed obliquely upwards, which is guided outwards through an opening 43 of the outer down pipe and to which a liquid line 44 is connected.
  • the liquid line 44 is connected to the outlet of a liquid pump 45, which can convey dew liquid from the container 2 into the downpipe 32.
  • the guide tubes 40 of the two spreading devices 26 and 27 are each pivotally connected to the conveyor tubes 20 and 21, such that they can be supplied with solid thawing material by the endless conveyors 9 and 22 or 11 and 23 in a manner yet to be described.
  • Separate liquid pumps 46 and 47 are provided for the liquid lines 44 ′ and 44 ′′ connected to the inner downpipes 32 of the spreading device 26 and 27, which can also separately convey dew liquid from the container 2 into the inner downpipes 32 of the spreading devices 26 and 27.
  • the downpipes 31 and 32 are separated in a horizontal plane 48 lying above the spreading plate 28, or extended by lower end sections 49 and 50 to the upper spreading plate surface, the lower end section 49 of the outer downpipe 31 ending just above the surface of the spreading plate 28 and the
  • the lower end section 50 of the inner filler tube 32 projects into an annular groove 51 of a flange hub 52, through which the spreader plate 28 is connected in a rotationally fixed manner to the shaft 29.
  • the flange hub 52 is provided with a truncated cone-shaped attachment 52 ′ which projects into the lower end section 50 of the inner downpipe 32.
  • the two lower end sections 49 and 50 are firmly connected to one another by radial, plate-like webs 53 and can be rotated together relative to the downpipes 31 and 32 about their common axis coinciding with the axis of rotation 30.
  • the connection between the lower end portions 49 and 50 and the downpipe 31 is made by a clamp-like sleeve 54 which has an inner annular groove 55 through which two flange rings 56 and 57 are held together, on the one hand at the lower end of the outer downpipe 31 and on the other Upper end of the lower section 49 are arranged.
  • a perforated strip 58 is fixed, which extends over an angular range of about 180 to 0 and the portion of a locking device 59 is, with which the two end portions 49 and 50 are fixed in specific angular positions.
  • the latching device has a latching pin 61 which fits into the holes 60 of the perforated strip 58 and is displaceably mounted in a U-shaped bracket 62 and with a compression spring 63 and is provided with a pull button 64.
  • the bracket 62 sits on a horizontal plate 65 which is attached to the lower end portion 49 of the outer downpipe 31.
  • the lower end of the shaft 29 is provided with a bearing 66 which is held by a bracket 67 which extends over the scattering disc radius.
  • the bracket 67 in turn is connected to the sleeve 54 by a radial connector 68.
  • the spreading plate 28 consists of a circular disk 69, which in the center has a flat ring part 70 corresponding approximately to the diameter of the outer downpipe 31 and whose outer ring part 71 has a cone angle c of approximately 7 ° with the horizontal plane of the inner ring part 70.
  • the profile shape of these throwing blades 72 and 73 can best be seen from FIG. 6.
  • the group of throwing blades 72 is arranged outside the outer downpipe 31 on the surface 74 of the disk 69.
  • the group of throwing vanes 73 which are substantially shorter in the radial direction, is arranged in the annular channel 78 existing between the inner down pipe 32 and the outer down pipe 31, specifically in such a way that the wall elements 76 forming them run at least approximately radially.
  • the outer throwing blades 72 have a caster angle with respect to the respective pole beam on which the associated inner throwing blade 73 is seated, as can be seen from FIG. 8.
  • Caster angle means that, seen in the direction of rotation of arrow 77, the outer ends of the throwing blades 72 are set back with respect to their inner ends.
  • the two lower sections 49 and 50 of the two down pipes 31 and 32 are each provided with outlet openings 80 and 81 in the height region of the throwing vanes 72 and 73 (see Fig. 5, 8 and 9), which are unevenly large in the circumferential direction.
  • the outlet opening 80 of the lower section 49 of the outer downpipe 30 extends over a central angle ⁇ of approximately 180 °.
  • the outlet opening 81 of the lower section 50 of the inner downpipe 32 extends over a central angle ⁇ of approximately 210 ° and is thus approximately 30 ° larger than the outlet opening 80.
  • the two outlet openings 80 and 81 are offset in the circumferential direction so that the In the direction of rotation of the arrow 77 of the spreading plate 28, the axial boundary edge 82 lying at the front lies on a pole beam 83, which is separated from the pole beam 84 on which the leading axial boundary edge 85 of the is the outlet opening 81, each has an angular distance of about 45 °.
  • the two outlet openings 80 and 81 can be adjusted together about the axis of rotation 30 with the aid of the latching device 59. This also results in a change in the scattering direction of the individual scattering devices 16, 26 or 27.
  • FIG. 10 a hydraulic control and drive device shown schematically in FIG. 10 is provided, which is explained in more detail below.
  • a hydraulic pressure fluid 90 is located in a tank 89, with which the entire control and drive system is fed by a double pump 91.
  • One pump unit 91 'of the double pump 91 serves to supply the Ilydraulic pumps 12, 13, 14, 24, 25, and 86, 87 and 88, while the pump unit 91' serves to supply the spreading plates 28, 28/1 and 28/2 of the individual spreading devices 16, 26 and 27 is used.
  • the pressure line 92 of the pump unit 91 is connected to the input of an electromagnetic proportional valve 93, the output of which is connected by a line 94 to the input of a triple flow divider 95.
  • the middle outlet of the flow divider 95 is connected by a pressure line 96 to the hydraulic motor 13, the return line 97 of which has a branch line 98 to the hydraulic motor 86 of the liquid pump 45.
  • the other two outputs of the flow divider 95 are connected on the input side to the hydraulic motor 12 and 14 by pressure lines 96 'and 96 ".
  • the hydraulic motor 24 of the endless conveyor 22 is connected in series to the hydraulic motor 12 by a connecting line 99 and to the hydraulic motor 14, the hydraulic motor 25 of the endless conveyor 23 is connected in series by means of a connecting line 99 '. of the hydraulic motor 25 is connected by a branch line 101 'to the hydraulic motor 88 of the liquid pump 47, the output of which is connected by a return line 103 to the collective return line 2.
  • the output of the hydraulic motor 86 is also connected to the return line 103
  • Individual or joint switching on of the hydraulic motors 13 and 86 or 12, 24 and 87 or 14, 25 and 88 respectively assigned to a spreading device 16 or 26 or 27 are each of the same design and work in the same way or in the same way controllable control units 104, 105 and 106 are provided, which can be controlled electrically by means of separate switching units 107, 108 and 109.
  • Such a control unit is shown in a clear form in FIG. 11.
  • Each of these control units 104, 105 and 106 consists of two solenoid valves 111 and 112, each of which has two separate through-channels a and b, indicated by arrows, the connections of which are denoted by A, B, P and T.
  • the return line 97 of the hydraulic motor 13 is connected on the one hand to the connection A of the solenoid valve 112 and at the same time on the other hand to the connection B of the solenoid valve 111.
  • the opposite port P of the solenoid valve 112 and the corresponding port P of the solenoid valve 111 are connected by a branch line 113 to the pressure line 96, while the two ports T of the solenoid valve 112 on the one hand and the solenoid valve 111 on the other hand by a line 114 to the return line 102/103 stay in contact.
  • the electrical switching unit 107 which serves to control the two solenoid valves 111 and 112, has three electrical closing switches 115, 116 and 117.
  • the closing switch 115 is in series with the current source 118 directly in the circuit of the electromagnet 119 of the solenoid valve 112.
  • the closing switch 116 directly in the circuit of the Electromagnet 120 of the solenoid valve 111, while the closing switch 117 via diodes 121 and 122, which are intended to prevent cross-locking, is simultaneously in both circuits of the electromagnets 119 and 120.
  • the closing switch 117 is at the same time connected by an electrical line 123 to an electromagnetic change gear 124, which serves as a speed sensor for control electronics 125 and is connected to the vehicle's own speedometer shaft 126, which rotates in proportion to the driving speed.
  • the alternating gear 124 which also serves as a speed sensor, outputs a certain number of pulses or a voltage corresponding to the speed to the control electronics 125 per revolution of the speedometer shaft 126.
  • the closing switch 117 If the closing switch 117 is closed, there is a speed reduction in the alternating transmission, for example in a ratio of 2: 1, so that then only half the number of pulses per revolution of the speedometer shaft 26 or half the voltage for the same speed of the speedometer shaft 126 to the control electronics 125 is delivered.
  • the control electronics 125 in turn controls the proportional valve 93 in such a way that pressure medium delivery quantities corresponding to the respective output speed of the change gear 124 reach the flow divider 95, as a result of which the endless conveyors 9, 10 and 11 or 22 and 23 and the liquid pumps 45, 46 and 47 are driven in proportion to the driving speed he follows.
  • both solenoid valves 111 u. 112 excited which has the consequence that all through channels a and b of both solenoid valves are blocked and the line 97 is blocked.
  • the hydraulic fluid supplied through the pressure line 96 can thus only flow successively through the hydraulic motor 13 and the hydraulic motor 86 and drive both together.
  • the closing switch 117 is closed, liquid and solid thawing material are simultaneously fed to the relevant spreading device, in each case in quantities proportional to the driving speed.
  • the hydraulic motors 12, 24 and 87 or 14, 25 and 28, which are assigned to the spreading devices 26 and 27, can also be acted on simultaneously.
  • the hydraulic motors 36, 36/1 and 36/2 which each drive the spreading discs 28 or 28/1 or 28/2 of the three spreading devices 16, 26 and 27, are also connected by pressure lines 127, 128 and 129, respectively
  • One output each of a second triple flow divider 130 is connected, the input of which is connected by a common pressure line 131 via an electromagnetic proportional valve 132 to the pressure line 133 connected by the second pump unit 91 "of the double pump 91.
  • the proportional valve 132 is by means of an electrical control device, which is not shown in the drawing, but is known per se, voltage-proportionally controllable in such a way that it can be set to different pressure medium flow rates per unit of time, each of which has very specific speeds of the hydraulic motors 36, 36/1 and 36/2 and their Spreading plate 28 or 28/1 or 28/2 correspond.
  • the output of the hydraulic motor 36 is connected to the return line 103.
  • the output of the hydraulic motor 36/1 is connected to the collective return line 102, and the output of the hydraulic.
  • Motors 36/2 is connected by a return line 134 to a further return collecting line 135, which opens at point 102 ′ into the collecting return line 102, which ends in the pressure medium container 89 via a screening device 136.
  • shunt lines 138, 139 and 140 are connected to the individual pressure lines 127, 128 and 129, and each separately via three individually controllable solenoid valves forming a control block 141 a common return line 142 is connected, which opens into the collective return line 135.
  • the switching units 107, 108 and 109 can also be used because it should be ensured that the spreading plates 28 and 28/1 and 28/2 are also set in rotation when they are through the endless conveyors 10, 12 and 22 or 11 and 23 and / or by the hydraulic motors 86, 87 or 88 driven liquid feed pumps 45, 46 or 47 solid and / or liquid thawing material is supplied.
  • the switching unit 107 or 108 or 109 can be electrically controlled by one of the electromagnets 142 or 143 or 144 by means of lines 123 'and 123 "shown in dash-dotted lines in FIG. 11.
  • a diode 145 is used.
  • the switching units 108 and 109 can also control the electromagnets 143 and 144.
  • hydraulic double-stroke cylinders 146 and 147 can be provided (see FIG. 10) which can be jointly struck in one or the other stroke direction by means of electromagnetic switch valves 148 or 149.
  • a further pressure medium pump 150 is provided, the output of which is connected via a flow divider 151 via two pressure lines 152 and 153 to each of the two changeover valves 148 and 149, the outputs of which are each connected by two lines 154, 156 and. 157 and 158 are each connected to one of the two pressure chambers of the two double-stroke cylinders 146 and 147 located on both sides of the piston.
  • the two proportional valves 93 and 132 are each associated with shunt lines 160 and 161, in which there are manually operated valves 162 and 163, respectively. These serve to start all hydraulic motors of the system individually or together when the vehicle is stationary, for example to empty containers 2 and 3.

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  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Road Repair (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Braking Arrangements (AREA)
  • Fats And Perfumes (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Cyclones (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Fertilizing (AREA)
  • Control Of Conveyors (AREA)
EP81107405A 1980-09-19 1981-09-18 Véhicule de répandage pour matières de dégèlement solides et liquides Expired EP0048465B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81107405T ATE8517T1 (de) 1980-09-19 1981-09-18 Streufahrzeug fuer feste und fluessige taustoffe.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3035360 1980-09-19
DE3035360A DE3035360C2 (de) 1980-09-19 1980-09-19 Streufahrzeug mit Streuvorrichtungen für granulierte und flüssige Taustoffe

Publications (3)

Publication Number Publication Date
EP0048465A2 true EP0048465A2 (fr) 1982-03-31
EP0048465A3 EP0048465A3 (en) 1982-10-13
EP0048465B1 EP0048465B1 (fr) 1984-07-18

Family

ID=6112360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81107405A Expired EP0048465B1 (fr) 1980-09-19 1981-09-18 Véhicule de répandage pour matières de dégèlement solides et liquides

Country Status (8)

Country Link
US (1) US4442979A (fr)
EP (1) EP0048465B1 (fr)
AT (1) ATE8517T1 (fr)
CA (1) CA1169107A (fr)
DE (1) DE3035360C2 (fr)
DK (1) DK151105C (fr)
FI (1) FI70956C (fr)
NO (1) NO813116L (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0282812A2 (fr) * 1987-03-11 1988-09-21 Amazonen-Werke H. Dreyer GmbH & Co. KG Système hydraulique pour entraîner un épandeur
NL1010056C2 (nl) * 1998-09-10 2000-03-13 Nido Universal Machines Bv Inrichting voor het uitstrooien van strooimateriaal.
EP1942230A1 (fr) * 2006-12-29 2008-07-09 Giletta S.p.A. Epandeur de produits granulaires pour véhicule d'épandage
WO2014127349A1 (fr) * 2013-02-18 2014-08-21 Trynex International Llc Epandeuse de matériau montée sur un plateau de camion à cabine semi-avancée
CN111851389A (zh) * 2020-07-08 2020-10-30 山东省高速路桥养护有限公司 桥梁道路用可旋转式除冰液喷头
EP3646693B1 (fr) * 2017-06-28 2024-04-24 Kubota Corporation Dispositif de dispersion

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3310694A1 (de) * 1983-03-24 1984-09-27 Amazonen Werke Dreyer H Schleuderstreuer, insbesondere zur ausbringung von mineralischen streustoffen
DE3420694A1 (de) * 1984-06-02 1985-12-05 Max Pietsch KG GmbH & Co, 3014 Laatzen Streufahrzeug fuer den winterdienst
DE3427367C2 (de) * 1984-07-25 1986-08-21 Max Pietsch KG GmbH & Co, 3014 Laatzen Einrichtung für ein Streufahrzeug
US4673131A (en) * 1985-02-19 1987-06-16 Travis Tonny D Mine dusting machine
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EP0282812A2 (fr) * 1987-03-11 1988-09-21 Amazonen-Werke H. Dreyer GmbH & Co. KG Système hydraulique pour entraîner un épandeur
EP0282812A3 (fr) * 1987-03-11 1988-12-28 Amazonen-Werke H. Dreyer GmbH & Co. KG Système hydraulique pour entraíner un épandeur
NL1010056C2 (nl) * 1998-09-10 2000-03-13 Nido Universal Machines Bv Inrichting voor het uitstrooien van strooimateriaal.
EP0985769A1 (fr) * 1998-09-10 2000-03-15 Schmidt Holding GmbH Dispositif pour répandre des matériaux granulaires
EP1942230A1 (fr) * 2006-12-29 2008-07-09 Giletta S.p.A. Epandeur de produits granulaires pour véhicule d'épandage
WO2014127349A1 (fr) * 2013-02-18 2014-08-21 Trynex International Llc Epandeuse de matériau montée sur un plateau de camion à cabine semi-avancée
US9296571B2 (en) 2013-02-18 2016-03-29 Charles Truan Cab-forward truck bed mounted material spreader
EP3646693B1 (fr) * 2017-06-28 2024-04-24 Kubota Corporation Dispositif de dispersion
CN111851389A (zh) * 2020-07-08 2020-10-30 山东省高速路桥养护有限公司 桥梁道路用可旋转式除冰液喷头

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FI812907L (fi) 1982-03-20
NO813116L (no) 1982-03-22
DK403381A (da) 1982-03-20
FI70956B (fi) 1986-07-18
FI70956C (fi) 1986-10-27
US4442979A (en) 1984-04-17
DE3035360A1 (de) 1982-05-19
CA1169107A (fr) 1984-06-12
EP0048465B1 (fr) 1984-07-18
ATE8517T1 (de) 1984-08-15
DK151105B (da) 1987-11-02
DK151105C (da) 1988-03-21
EP0048465A3 (en) 1982-10-13

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