Single bale unloading control system
阅读：658发布：2023-12-10
专利汇可以提供Single bale unloading control system专利检索，专利查询，专利分析的服务。并且A single bale unloading control system for controlling a plurality of bale separating hooks associated with an unloading table of a single bale unloading bale wagon. The single bale unloading control system of the present invention comprises a hydraulic cylinder operatively connected to a rockshaft transversely journalled on the underside of the unloading table, the rockshaft having secured thereto in lateral spaced apart relationship the bale separating hooks which are aligned to move through openings formed in the unloading table. The unloading table is further provided with a transverse cross conveyor that is adapted to convey a single separated layer of a tier from the unloading table. The hydraulic cylinder used for actuating the bale separating hooks is controlled by a control valve that is actuated by a connecting linkage that is responsive to the movement of the cross conveyor.，下面是Single bale unloading control system专利的具体信息内容。
1. In a single bale unloading bale wagon having a wheel supported chassis structure; a load bed mounted on said chassis structure and adapted to support a stack of bales comprised of a plurality of tiers disposed in side-by-side relationship, each tier including a series of layers disposed in side-by-side relationship, an unloading table disposed adjacent said load bed; means for transferring a tier at a time from said load bed to said unloading table; a plurality of moveably mounted bale separating hooks associated with said unloading table and operative to move between a normal non-engaged position to an engaged position where the bale separating hooks act to separate a portion of the particular tier disposed on the loading table from a single layer; a cross conveyor operatively associated with said unloading table for conveying the separated single layer from either side of the unloading table; and means for driving said cross conveyor; the improvement comprising a hydraulic control system for selectively actuating said bale separating hooks in response to the movement of said conveyor, said hydraulic control system comprising: a. a hydraulic cylinder operatively connected to said bale separating hooks; b. a control valve operatively connected to said hydraulic cylinder for selectively directing fluid to and from said cylinder; c. actuating means carried by said cross conveyor; and d. a control linkage operatively connected to said valve and engageable with said actuating means for actuating said control valve and consequently said hydraulic cylinder in response to the movement of said cross conveyor.
2. A hydraulic control system for the bale separating hooks of a single bale unloading bale wagon, as recited in claim 1, wherein said actuating means includes a pair of laterally spaced paddles carried by said cross conveyor; and wherein said control linkage includes an actuator plate moveably mounted adjacent said cross conveyor and biased for engagement with said paddles, whereby said actuator plate is moved by the engagement and disEngagement of said paddles with said actuator plate; and a connecting link interconnected between said actuator plate and said control valve, whereby said actuator plate actuates said control valve in response to the engagement and disengagement of said paddles therewith.
3. A hydraulic control system for the bale separating hooks of a single bale unloading bale wagon, as recited in claim 2, wherein said bale separating hooks are fixed to a rockshaft, and wherein said control linkage includes a cam following mechanism fixed to said connecting links, and a cam fixed to said rockshaft and particularly adapted to engage said cam following mechanism in response to the movement of said bale separating hooks and said rockshaft, thereby actuating said control valve independently of said cross conveyor and said actuator plate.
4. A hydraulic system for controlling the bale separating hooks of a single bale unloading bale wagon, as recited in claim 3, wherein said hydraulic cylinder is of the single acting type and includes spring means for returning the hydraulic cylinder to the retracted position.
5. A hydraulic control system for controlling tier separation and single bale unloading on an unloading table of a bale wagon comprising in combination: an unloading table having a series of laterally spaced openings formed therein; said unloading table adapted to support a tier of bales having a series of layers disposed in side-by-side relationship; a rockshaft transversely journalled about said unloading table; a plurality of laterally spaced bale separating hooks secured to said rockshaft and normally disposed in a non-engaging position generally below said unloading table, said rockshaft and bale separating hooks being particularly spaced such that upon actuation of said rockshaft said bale separating hooks move from the normal non-engaged position, through said openings, to a tier engaging position generally above said unloading table where said bale separating hooks act to engage and separate a portion of the respective tier disposed on the unloading table from a single layer; a cross conveyor mounted on said unloading table and spaced relative to said bale separating hooks for engaging and conveying the single separated layers; a single acting hydraulic cylinder anchored at one end to said unloading table and including a piston with a rod extending from the other end, said rod being operative to actuate said bale separating hooks between said non-engaged position and said tier engaged position; spring means for biasing said piston and rod to a retracted position within said hydraulic cylinder; a multi-position hydraulic control valve operatively connected to the anchor end of said single acting hydraulic cylinder, said control valve adapted to selectively allow fluid to exit from the cylinder in one position, direct fluid under pressure into the anchor end of the cylinder against the piston in a second position causing the bale separating hooks to move from the non-engaging position to the tier engaging position, and further adapted in a third position to maintain pressure against the piston once the bale separating hooks are in the tier engaging position such that the hooks maintain a portion of the tier in a separated relationship relative to the single layer being conveyed from the unloading table; a pair of laterally spaced paddles carried by said cross conveyor; an actuator plate moveably mounted adjacent said cross conveyor, said actuator plate being biased to assume a normal first position in the path of said paddles and moveable to a second position in response to the engagement of said paddles therewith; a connecting link interconnecting said actuator plate and said control valve, whereby said control valve is shifted between the first and second positions in response to the movement of said actuator plate between the first and second positions; and means responsive to the bale separating hooks reaching the tier engaging position for shifting said control valve to said Third position and maintaining said bale separating hooks in the tier engaging position.
6. A hydraulic control system for the unloading table of a single bale unloading bale wagon, as recited in claim 5, wherein said means responsive to the bale separating hooks reaching the tier engaging position for shifting said control valve to said third position includes a cam following mechanism secured to said connecting link and a cam fixed to said rockshaft and particularly phased thereon for engagement with said cam following mechanism as said rockshaft is actuated by said single acting hydraulic cylinder, whereby the engagement of said cam with said cam following mechanism causes said connecting link to be moved which in turn results in the control valve being shifted to said third position.
7. A hydraulic control system for the unloading table of a single bale unloading bale wagon, as recited in claim 6, wherein the third position of said control valve is obtained by partially shifting said control valve from the second position, and wherein the partial shifting of the control valve from the second position results in the flow of fluid through the control valve being restricted, thereby causing a back pressure against the piston of said single acting hydraulic cylinder and causing the bale separating hooks to be maintained in the tier engaging position.
8. A hydraulic control system for controlling tier separation and single bale unloading on an unloading table of a single bale unloading bale wagon comprising in combination: an unloading table; a cross conveyor moveable mounted within said unloading table; means for driving said cross conveyor; a first control means operatively connected to said driving means for selectively driving said cross conveyor in either of two directions such that bales may be conveyed from either side of the unloading table; bale separating hooks moveably mounted adjacent said unloading table and moveable from a non-engaging position to a tier engaging position; a hydraulic cylinder operatively connected to said bale separating hooks for moving said hooks from said non-engaging position to said tier engaging position; a control valve for directing fluid to and from said hydraulic cylinder; and a second control means operatively connected to said control valve and responsive to the movement of said cross conveyor irrespective of direction for actuating said control valve.
9. A hydraulic control system for controlling tier separation and single bale unloading in a single bale unloading bale wagon, as recited in claim 8, wherein said second control means for actuating said control valve comprises: a pair of laterally spaced paddles carried by said cross conveyors; an actuator plate moveably mounted adjacent said cross conveyor and biased to assume a first position in the path of said paddles and moveable to a second position in response to engagement of said paddles therewith; and a connecting link interconnecting said actuator plate with said control valve for actuating said control valve as said actuator plate moves between said first and second positions.
10. A hydraulic control system for controlling tier separation and single bale unloading in a single bale unloading wagon, as recited in claim 9, wherein said second control means further includes a cam following mechanism also operative to actuate said control valve, and a cam operatively responsive to the movement of said bale separating hooks for engaging said cam following mechanism and actuating said control valve.
11. A hydraulic control system, as recited in claim 10, wherein said cross conveyor drive means includes an orbit motor operative to drive said cross conveyor and wherein said first control means for said cross conveyor drive means includes a pivotally mounted manually actuated control handle, an orbit motor control valve, and a linkage structure interconnecting said control handle and said orbit motor control valve and wherein said linkage structure is particularly adaptabLe to be selectively connected at either side of the pivot point of said control handle, whereby fluid may be directed into either side of said orbit motor by selectively connecting the linkage structure to the particular side of the pivot point of the control handle.
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