IL32575A - Devices for spreading material - Google Patents

Description

Devices for spreading material LELY 30861 The relates to a device for spreading fertiliser or material provided a a hopper and at least two running An object of the invention is to provide a simple device of the kind which comprises a large According to the invention the device has two running wheels at each side of the hopper mounted to the frame behind each said hopper having a sloping front wall the lower end ending in side view of the rear running wheel the fron end of said sloping front wall ending in side view forwardlv of the front running wheel In a further construction the device for spreading fertilizer o such material is provided with a hopper and at least two running wheels mounted behind each other at each side of the the hopper having an outlet to which spreading disc is said spreading disc being mounted at the rear of the device at the lower end of a sloping front wall the In a further construction of the device for spreading material the same comprising a a container having an outlet member and a spreading the container having at least two converging one wall being at an angle o more than end less than to the horizontal whereas the other wall is arranged at an angle of more than and less than to the horizontal this construction the device a large whilst the material can be effectively conducted from the container towards the spreading advantageous device embodying the invention is obtained by causing the front wall of the container to be at an angle of abou to the horizontal viewed in the direction of movement of the capacity of the container can b enhanced by providing it on the upper side with upwardly extending at least two of which extend obliquely towards the inner of the The construction of the device may be when the container held by supports provided on the walls and fastened to horizontal parallel frame An ef ective support of the device according to the invention can be achieved by providing the frame with two pairs of ground the axles of each pair being substantially line with each other and being arranged one after the other viewed in the direction of movement of the In a further device embodying the invention a knocking member provided on the outer side of the container for knocking against a wall of the In a further construction of the device embodying the invention a drawbar fixedly connected with the frame of the device is provided with a coupling which is adjustable in a direction of height with respect to the An advantageous embodiment of the coupling member can be obtained by means of a parallelogram structure that a connecting hook of the coupling member is adapted to move parallel to in a direction of height with respect to the For a better understanding of the invention and to show how the eame be carried into effec reference is made way of example to the accompanying Figure 1 is a side elevation a device embodying the Figure 2 is a rear view of the device of Figure 1 in the direction of the arrow II in Figure Figure a plan view of the device of Figuree and Figure shows on an enlarged scale a vertical sectional view of part of the device comprising a knocking member for the Figure shows an enlarged vertical sectional view of the coupling member provided at the ont of the bar of the 6 is a Bide elevation of a further embodiment of a coupling and Figure 7 a plan view of the coupling member of Figure device shown in the Figures comprising a frame supporting a container f ame 1 is supported from four ground wheels and each having a diameter of about 66 Hereby the wheels and are situated at one side of the frame and the wheels 5 and 6 situated at the other side of the wheels and 6 are mounted behind wheels and respectively relative to the intended direo of travel The frame comprises two horizontal beams 7 and At the front the beams 7 and fixedly secured to them horizontal beams 9 and which converge towards the front near another by their front ends and interconnected by plates 11 and beams 7 and 8 are interconnected by two and shafts and 1 rigidly secured to the beams 7 and which shown in in figure 4 for one end of the shaft connecting e 105 rigidl secured to the shaft a connecting is provided on the beam which it is rigidly connected by means of side plates plates 105 and are intercoupled by means of bolts 1G7 for fastening the to beam holding the 2 the horizontal beams 7 and S provided with supporting portals 15 2 forming an inverted when viewed from The supporting portal comprises an outer having a horizontal portion 16 and two vertical portions 17 and Alongside the portions 17 and 18 stiffening plates 21 22 and are arranged at right angles to the outer plate and each a triangular Figure having a side a side 25 and a side he supporting portal 27 has the shape as the supporting portal so that need not be described Correspondin parts are designated by the same reference plate 20 is connected with the corresponding plate 20 of the portal by a plate at the front of the container and having horizontal sides 29 and A horizontal plate 31 the lower side of the plate 28 and extends between the supporting portals She container 2 is rigidly secured to the supporting portals and comprises opposite sldewalls J2 and which join the supporting portals 5 walls and are each at an angle of to the horizontal plane At the front the containe has a wall which at an angle 36 of more than and less than to the This angle preferably about ont wall situated with its upper orward forward of the front wheels 3 and as seen in side view and relative to the intended direction of travel lower end of the wall 35 is situated rearwardly of the of rotation of the rear wheels 4 and as seen in side vie and relative to the direction The container 2 has a rear side viewed the direction of movement which is at an angle 38 of more than and less than to the horizontal She latter angle is preferably about lower part of the container formed inside the sldewalls 33 the front wall 35 and the rear wall 3 provided with the upper part rims 39 and 40 sidewalls 32 and 33 and extending in upward direction towards each said rims joining rim 1 extending in upward direction towards the interior of the container and astened to the upper side of the rear wall Hereby the upper side of rear of the hopper 2 is situated above the outlet spout 44 as seen in side The front side of this upper container part comprises a side which is only at a small angle to the front wall whereas the upper of side 42 is best over inwardly fey a portion On the lower side the container is provided with an outlet member formed by an outlet spout which is open at its lower end and through which the material can be delivered from the The overall height of the container from the delivery spout is about 160 length 117 about cms and the width 118 is about Beneath delivery spout 44 a rotatable spreading member is whilst between the delivery spout 44 and the spreading member a dosing member shown in 46 is provided with one or more outlet ports which can be closed to a greater or lesser extent for regulating the delivery from the to the spreading member per unit of The dosing member includes an surrounding with its upper end the 44 and with its open lower end resting against the spreading member in such way that the spreading member constitutes a bottom part for container The spreading member is located at a distance 119 of about above the The spreading member is located near the rear side of the device and connected with a vertical shaft in gear The gear box 7 is connected with a beam 1 which is arranged between the rear ends of the beams 7 and The gear box 47 is provided at the front with a horizontal shaft which is coupled by a universal 49 with a coupling shaft intermediate shaft 50 extends to the front of the device and is a bearing on a whic is secured to the plate The connecting shaft extends below coupling shaft is ends of the shaft provided with supporting arms and adapted to turn about the shaft whilst the axles 55 and of the ground wheels 3 and 5 are located in the ends of supporting 55 and The ends of the shaft are surrounded by helical springs 57 one of each which is secured to th shaft which stationary relative to the whereas the other end is secured to tags provided on the supporting arms 55 and These tags are designated in Figure for the supporting arm by The shaft 1 is slightly curved upwards and extends over the coupling shaft In the same way as it is described for shaft the shaft 14 is provided with supporting arms holding the ground wheels and These supporting arms are no shown in detail Above ground wheels and 6 a 60 is connected with the supporting portal 15 and above wheels 3 and 4 a mudboard 6Ί is secured to supporting portal space formed between the plate 31 the plate 28 and the front wall 35 of the container accommodates a driving mechanism for a This driving gear comprises a pulley 63 and a pulley 62 on the coupling shaft a rope being passed around the pulleys and The pulley 63 to a shaft in said space and having a cam disc 66 fastened to The disc 66 has two cams 67 and which vi h a knocking is adapted to pivot a shaft knocking bar 69 engaged by a draw spring which is to the front wall 35 of the The rope passes through an opening in the wall 31 and the knocking bar 69 passes through an opening 73 in the plate She end of the knocking bar 69 projecting beyond the plate 28 is provided with a thrusting member with a thrust plate which is located at a short distance from front wall thrust plate is rigidly connected with the front wail and fastened by one side to the plate he plate 11 provided with a coupling member by means which the device can be coupled with a vehicle moving the coupling member 76 comprises two vertical plates which are provided with a horizontal shaft 78 is fastened to the plates 1 and 12 and between plates a sleeve 79 surrounds the shaft whilst the shaft is fastened by means of a nut coupling member 76 comprises two plates extending parallel to the plates connecting member 82 is arranged between the upper ends of the plates 77 and the upper ends of the plates 81 and a connecting membe 83 is arranged between the lower ends of the plates 77 connecting members 82 and 83 pivoted to the plates 77 and 81 by means of shafts coupling member 7 thus comprises a parallelogram structure and the plates 81 are furthermore provided with a fastening hook bar 86 arranged diagonally in the parallelogram and connected by one with said structure the pivotal shaft the The bar 86 is surrounded by a pressure which bears on a bar ring fastened to the shaft and on a ring on the bar 86 extends through a hole 113 in the connecting member so as to be movable in a direction of The fastening comprises a plate which la secured by bolts to the plates The plate is provided with a connecting eyelet This connecting eyelet 95 eccentrically secured to the plate plate 81 a plurality of holes for receiving the bolts that the fastening hook 85 is adjustable in a direction of height on the plates plate may be turned over so that the connecting eyele is further adjustable in a direction height with respect to the the bar 69 is connected a which provided with two stops 95 and stops 95 and with the upper end of the support fhe end 97 has an elongated hole through whioh the wire can be but through which the stops 95 and 96 cannot Before operation the container 2 filled with the material to be fhe of material delivered from the per time can be regulated by the adjustment of the dosing mechanism means of the coupling membe 85 the device is hitched to a prime for example a fhe front 98 of the coupling shaft 50 can be coupled with the aid of an intermediate shaft power shaft of By the power sha the able spreading or ejecting member 45 ie oaused to rotate that the material fed through the outlet ports of the dosing 46 to the spreading member can he Owing to form of the container adequate of material to the spreading is ensured without need for conveying means inside the container for the delivery of to the When it required to distribute material tending to to the wall the the thrust member can knock against wall this purpose the stop 96 disposed as shown in Figure In position of the stop and the wire the knocking bar 69 can be drawn by the spring against the wall disc 66 will with the bar 69 so that the cams 67 and 68 alternately move the bar 69 away from the thrust plate the thrust member knocking twice against the thrust plate during revolution of the cam disc the container and particularly the front wall is oaused to vibrate so that the material will always flow in sufficient quantities along the towards the delivery spout shape o the frame and its support from the ground wheels permit of using such a large container tha a great quantity of material be carried by the Shis is particularl advantageous when distributing fertilizer on larges order to satisfactorily absorb the movements between the tractor and the device On uneven ground the coupling member 76 is provided with the parallelogram pivot so that the hook is movable with respec to the drawbar formed by the beams said drawbar being stationary with respect to the spring 88 a downward of the coupling hook the knocking effect the thrust member 7 can be put out of operation by pulling the wire towards the end 97 that the stop 95 can be arranged on the front side of the support viewed in the direction of She knocking bar then held at a larger distance the front wall against the tension o the spring eo that the disc 66 is no longer in contact the bar rope can be actuated from the seat the prime mover of the device bringing the etop 95 or 96 in contac with the end its construction and superstructure the is particularly suitable for as a fertiliaer which is especially capable of effectively spreading granular or powdery devices the ground wheels and 6 are arranged that the point of gravity of the device with a filled container is located substantially centrally the supporting wheels the connection of the ground wheels and 6 with the frame through the supporting for the arm adapted to turn about the stationary and by the provision of coupled helical s inge between these supporting arms and the stationary for the helical springs the wheels are resi held with respect to the frame 1 so that travel the device is resiliently supported relatively to the helical springs hereby will act on the such as the arms in such a way that the supporting arms will be pushed downwardly relative to the frame by the said Owing to the fact that the for the pair of wheels and are resiliently movable to the frame axis of rotation of each of the pairs of wheels 3 and 5 respectively and 6 will not always be exactly in alignment but mostly only nearly in Shocks from travelling over uneven ground will thus not be transferred to the Figures 6 and show a coupling member which is constructed in the same manner as the coupling member in the coupling member the parallelogram pivot includes two bars of which is surrounded by a helical spring bars 101 extend between the pivots 103 and the pivots and the bars 101 are pivoted to the coupling members near the pivots whilstits upper ends are adapted to pass through a hole as is described for the bar The components of the coupling member 100 corresponding with those of the coupling member 76 are aot shown in Figures 6 and 7 and they are designated by same reference numerals as in Figures 1 to In the construction shown in Figures 6 and 7 pivotal movements of the coupling hook both in upward direction and downward direction with respect to the drawba formed by the 9 10 are resilient movements owing to the springs the embodiment Figure only the downward movement of the hook 85 with respec to the drawbar is a resilient front side of the drawbar is owing to fact that the beams 9 and are horizontal and on th level as the beams 7 and Θ lying on a distance above the ground approximately the height of diameter o the wheels 15 insufficientOCRQuality

Claims (42)

1. A spreading device comprising a hopper mounted on a frame carrying a plurality of pairs of ground engaging wheels positioned one behind the other, the upper end of the front wall of the hopper being above and in front of the foremost pair of wheels and sloping downwardly toward the end of the device terminating in an outlet to the rear of the axis about which the rearmost pair of wheels turn, the hopper having additional walls which terminate adjacent the outlet for effecting the flow by gravity of material in the hopper to the outlet, and a rotatable spreading disc mounted on a vertical axis positioned beneath the outlet.

2. A spreading device according to Claim 1 wherein the hopper has at least two downwardly converging walls, one of which is at an angle of between 25° and 50° to the horizontal plane, and the other of which is at an angle from between 50 and 85° to the horizontal plane.

3. A spreading device according to Claim 2 wherein the two downwardly converging walls comprise opposite sides of the hopper and the hopper has a 4-sided horizontal sectional area.

4. A spreading device according to Claim 3 wherein the front wall of the hopper is sloped at an angle of about 30° to the horizontal plane,

5. A spreading device according to Claim 4 wherein the two opposite sides of the hopper are sloped at equal angles to the horizontal plane.

6. A spreading device according to Claim 5 wherein the angle between the opposite sides and the horizontal plane is about 45°. 32575/2 - 16 -

7. A spreading device according to Claim 3 wherein each of the opposite sides of the hopper have upwardly extending rims which extend uprightly toward the center of the hopper.

8. A spreading device according to Claim 7 wherein the rear and front sides of the hopper have upright rims extending uprightly towards the interior of the hopper, and the front side of the hopper has a rim extending forwardly approximately in line with the f ont side for a distance and then terminating in an inwardly bent-over portion.

9. A spreading device according to Claim 2 wherein the hopper is mounted on supports that are secured to horiaontal9 parallel frame beams.

10. A spreading device according to Claim 9 wherein each of the supports are ϋ-shaped and have downwardly pointing limbs that are secured to the horiaontal frame beams.

11. A spreading device according to Claim 10 wherein each of the supports Includes a plate having a horiaontal portion and two vertical dovmwardly extending portions, and a stiffening plate secured at right angles to the plate.

12. A spreading device according to Claim 11 wherein the stiffening plate of a support is parallel to the vertical portions of the support.

13. A spreading device according to Claim 9 wherein a delivery spout is connected to the outlet including a dosing mechanism positioned between the spout and the spreading member.

14. A spreading device according to Claim 13 wherein the interior of the hopper is unobstructed.

15. A spreading device according to Claim 9 wherein two pairs of ground engaging wheels are provided, the axles of each pair of ground engaging wheels being substantially in line with 32575/2 - 17 -

16. A spreading device according to Claim 15 wherein the axles are connected to the frame by supporting arms having shafts rigidly secured to the frame, the shafts being surrounded by helical springs which resiliently secure the shaft to the supporting arms for exerting a force on the supporting arras in a downward direction with respect to the frame·

17. A spreading device according to Claim 16 wherein the shafts are stationary and extend between the two parallel frame beams, the shafts being secured to the frame beams,

18. A spreading device according to Claim 1 wherein the forward end of the frame has a draw-bar connection located at about the same height above the ground as the axis of the wheels, the forward end being positioned in fixed relation relative to the frame.

19. A spreading device according to Claim 18 wherein the pairs of wheels are spring mounted on the frame.

20. A spreading device according to Claim 1 wherein the outlet is formed at the lowest part of the bottom of the hopper and the spreading disc is mounted below the outlet.

21. · A spreading device according to Claim 20 wherein the upper end of the rear wall of the hopper terminates above the outlet of the hopper.

22. A spreading device according to Claim 1 wherein a knocking member is mounted adjacent one side of the hopper and the knocking member is operable to periodically knock against the one side from the outside.

23. A spreading device according to Claim 1 wherein the front wall has a top part which extends at a different angle from the remainder thereof, the upper side of the top part 32575/2 - 18 - extending obliquely upwardly and rearwardly with reference to the direction of travel of the device, one of the additional walls being a rear wall that extends obliquely upwardly from the outlet terminatin in a rim part that extends obliquely upwardly and forwardly, the remaining additional walls being upwardly diverging side walls connected to the front and rear walls and terminating in rim portions which extend upwardly and obliquely towards each other.

24. A spreading device according to Claim 1 wherein the hopper has a pair of upwardly diverging opposite side walls eac of which is connected to the frame by the upper end of a U-shaped support mounted on the frame, the lower ends of the side walls extending to the outlet which is located adjacent to the axis of the device, and a generally vertical rear wall connected to the side walls and extending upwardly from the outlet , the rear wall and the front wall each having an upper rim extending at an angle to the remainder of the respective wall. 2 .

25. A spreading device according to Claim 24 wherein the rear wall makes an angle of more than 50° from the horizontal.

26. A spreading device according to either of Claims 1 or 24 wherein the front wall makes an angle of less than 50° from a horizontal.

27. A spreading device according to Claim 24 wherein the two side walls make an angle of about 45° to the horizontal, the front wall makes an angle of about 30° to the horizontal, and the rear wall makes an angle of about 75° to the horizontal.

28. A spreading device according to Claim 1 including a gear box on the frame having a vertical axle on which the spreading disc is mounted and a coupling shaft whose front 32575/2 - 19 ~ # through an intermediate shaft to a power take-off shaft of a prime mover, the front end of the frame having a draw bar comprising two frame "beams tliat converge and terminate in a coupling member.

29. A spreading device according to Claim 1 wherein the axle on which the spreading disc is mounted is itself mounted in a bearing conneoted to a transverse beaia that extends between two substantially parallel frame beams extending in the direction of travel of the device and defining a part of the frame, the last mentioned beams being fixed to converging draw bars to which a coupling member is secured for coupling the device to a prime mover, and including a further transverse beam having its center bowed upwardly adjacent the spreader disc.

30. A spreading device according to Claim 28 including a knocking device positioned adjacent the outside of the front wall of the hopper and driven by the coupling shaft.

31. · A spreading device according to Claim 1 including a knocking member mounted adjacent the front wall which makes an angle of about 50° or less to the horizontal, and driving means responsive to rotation of the spreading disc for causing the knocking means to periodically knock against the front wall.

32. A spreading device according to Claim 31 wherein the knocking member comprises a spring-biased knocking arm pivotally mounted so that the arm is urged towards a wall* and means are associated with the knocking member for periodically moving the knocking arm away from the hopper. 32575/2 - 20 -

33. A spreading device according to Claim 32 wherein an end of the knocking arm has a thrust member in contact with the wall, and including a rotatable cam disc mounted between the pivot point of the arm and the thrust member to cooperate with the pivotal arm whereby the cam disc periodically moves the knocking ana against the spring bias away from the one wall.

34. spreading device according to Claim 33 wherein the spreading disc has a driving shaft that rotates the cam disc.

35. spreading device according to Claim 34 including a thrust plate secured to the wall against which the thrust member knocks.

36. A spreading device according to Claim 34 wherein the driving shaft extends to the spreading disc at the rear of the device and the driving shaft is supported a the front of the frame* and including coupling means at the front of the shaft for coupling it with a power take-off.

37. « A spreading device according to Claim 36 including an endless belt mounted between the driving disc and a second shaft for driving the cam disc.

38. A spreading device according to Claim 34 wherein the knocking member is connected to a switch-off mechanism which is remotely controllable.

39. · A spreading device according to Claim 38 wherein the switch-off mechanism is a wire having two stops and a support secured at the front of the device with an elongated hole, the wire extending through the hole with one of the stops being positioned on either side of the hole. 32575/2 21 -

40. A spreading device according to Claim 31 wherein the fra_ae has a stationary draw bar with a coupling member being vertically movable relative to the draw bar.

41. Λ spreading device according to Claim 1 wherein each pair of wheels 1B rotatably secured to axlea mounted on support arxna that are hingedly connected to the frame through resilient members for resilient movement relative to the frame.

42. A spreading device substantially as described above by way of an example and with reference to the accompanying drawings . For the Applicanto RTNERS D SiCE