JPH072592B2 - Cargo handling equipment such as roll bales - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to cargo handling work such as roll bales (hereinafter simply referred to as bales) used for transportation, loading, stacking, unloading and the like. It is related to the machine.

(Prior Art) A conventional loading and unloading work machine for this type of bale is Jikken Sho 61-9549.
According to the procedure described in the publication, a tine is projected forward on both sides of the lower end of a rectangular frame provided with vertical bars to construct a cargo handling machine called a bale hawk, which is used for the lift arm of a front loader. Attach to the tip.

Then, after moving the tractor forward to pierce the tine of the bale hawk into the bale, the bale is lifted to carry, load, pile up, and unload the bale.

(Problems to be Solved by the Invention) In the above-described conventional bale cargo handling machine, (1) the tine has to be hit and hit once to insert the tines, which is inefficient and dangerous.

(2) Since the tines are inserted into the bail, the bail may come off the tine, and may drop during traveling.

(3) When stacking the bale for storage, the bale cannot be lifted high, and the stacking limit is three.

(4) When the tines are removed from the bale after the bale is piled up, the upper part of the piled bale is pulled toward you, which may cause the piled bale to fall.

There is a problem in such points.

(Means for Solving Problems) Therefore, in order to solve the above problems, the present invention provides
The work frame (1) is provided with a hoisting arm (2), and the hoisting arm (2) is attached so that the base of the bending arm (3) can be appropriately rotated and fixed in that position, and the bending arm (3) is attached.
A glove (B) for holding the bail (A) and the like is attached to the tip piece of the glove (4) by which the claws (4) and (5) on both sides are opened and closed by the opening and closing cylinder (6).

(Operation) (1) (a) If the bending arm (3) is erected and its tip piece is made horizontal, the glove (B) faces downward, so that the outer periphery of the laterally placed bale (A) is You can grab it with Grab (B).

(B) Rotate the bending arm (3) 180 ° from the above state and lay it down to make the tip piece vertical so that the glove (B) is at a low position and faces forward, so it is placed on the ground. The small outer bale (A) and the outer periphery of the vertically placed bale (A) can be grabbed by the glove (B).

(2) When the undulating arm (2) is lifted to stand up, the bail (A) is lifted and the vertical and horizontal directions thereof are changed.

(Embodiment) The structure of one embodiment of the present invention shown in FIGS. 1 to 11 will be described. (A) is a bale in which hay is bundled by a roll baler, and (B) is an opening / closing of a cargo handling machine. Grab,
(C) shows a tractor.

(D) shows a bale loader detachably attached to the tractor (C), (7) is a mount on both sides thereof, (8) is a lift arm on both sides, and its base is a pin (top) of the mount (7). 9) Pivotally connect the lower middle part and the lower part of the mount (7) by a lift cylinder (10). Reference numeral (11) is a crank whose lower end is pivotally attached to the upper middle portion of the lift arm (1) by a pin (12). The intermediate portion of the crank is attached to the mounting base (7) and the upper end portion by a link (13). The platform (7), the lift arm (8), the crank (11) and the link (13) form a parallel link mechanism (a). (1) is a quadrangular frame-shaped work frame, and the tip of the lift arm (8) is pivotally attached to the middle part of the side frame by a pin (14) to link the upper cloth and the upper part of the crank (11) ( The crank (11), the lift arm (8), the work frame (1) and the link (15) are connected to each other by a parallel link mechanism (b). (2) is an undulating arm made of a pipe, the base of which is pivotally attached to the upper part of the central mast (16) of the work frame (1) by a pin (17), and a pin hole (18) is formed in the middle part, and the tip end is And the lower part of the mast (16) are connected by a hoisting cylinder (19). (3) is a V-shaped bent arm made of a pipe, and an eyebolt (21) attached to the center hole of the base plate (20) is fitted to a pin (17) to move the base piece into the undulating arm (2). Rotatably fitted to
A pin hole (18) for the undulating arm (2) is provided in the middle of the base piece.
, And pin holes (23) and (24) at the middle portion and the tip portion of the tip piece, respectively.
Then, the pin (25) is detachably inserted into the pin holes (18) and (22) to fix the bending arm (3) to the undulating arm (2), and the tip of the bending arm (3). The piece faces forward and becomes horizontal.

(26) is a frame of the glove (B) to be attached to the bending arm (3), and the metal mold (27) is fitted and fixed to the lower center part of the frame.
Pin holes (28) are formed at both ends of both side plates of the shaped metal (27). (29) is a V-shaped one-sided arm rod when viewed from the front, and the middle bent portion is a hawk-shaped claw that is pivotally attached to the one end of one side of the frame (26) by a shaft rod (30) and is directed to the other end at the lower end. Fix (4). (31) is the other side arm rod having a shape as viewed from the front, and the middle bent portion is attached to the other end of the frame (26) on the axial rod (32).
The hawk-like claw (5) is pivotally attached to the lower end and fixed to one side by means of. (33) is a connecting rod whose opening side expands,
Connect both ends to the shaft rods (3) at the upper ends of both arm rods (29) and (31).
4) and (35), respectively. Also, the shaft rod (32),
(34) is connected by the opening / closing cylinder (6). Therefore,
The shaped metal (27) is fitted to the end piece of the bending arm (3), and the pin (3
Insert 6) and attach glove (B) to bending arm (3).

(E) shows a tine device which is provided on both sides of the lower end of the work frame (1) so that it can be undulated, and (37) shows a U-shaped base fitted and fixed to both sides of the lower frame (38) of the work frame (1). With gold, a laterally long hole (39) and a pin hole (40) are formed in the upper piece, and a pin hole (41) is formed in the middle portion of the front piece. (42) is a "shaped tine holder, which has a pin hole (4
3) has a pin hole (44) in the middle thereof, and the base of the tine (46) is detachably inserted and fixed to the vertical cylindrical body (45) fixed between the vertical pieces. Therefore, the tine holder (42) is fitted in the base metal (27), and the pins (47) are fitted into the elongated holes (39) and the pin holes (43), and the pins (47) are fitted into the pin holes (40) and (44). Tine (46) by inserting and removing each 48)
Is fixed in an upright state by approaching the front of the work frame (1) .

Although the number of the tines (46) is two in this embodiment, three or more of the tines (46) may be provided so that the tines (46) have a hawk shape.

Thus, although not shown, the lift cylinder (10), the hoisting cylinder (19), and the opening / closing cylinder (6) are connected to the pressure oil generator of the tractor (C) via a switching valve by hoses.

In FIG. 11, (49) is a shaped hanging rod, and (50) is a pin for attaching one end of the hanging rod (49).

Next, the operation will be described.

(1) If the lift cylinder (10) is extended from the state in which the work frame (1 ) with grab (B) is lowered as shown by the thick line in FIG. 1 , the lift arm (8) moves the pin (9). A work frame that rotates upward as a fulcrum and uses the parallel link mechanisms (a) and (b) to attach the grab (B).
(1) rises in parallel as shown by the thin line in FIG. On the other hand, if the lift cylinder (10) is short-circuited from the above state, the work frame (1) with glove (B) moves in parallel by operating in the opposite manner to the above.

(2) As shown by the thin line in FIG. 1, if the hoisting cylinder (19) is extended from the state where the hoisting arm (2) with the hoisting arm (3) falls down and the glove (B) faces downward, The undulating arm (2) with the arm (3) rotates upward with the pin (17) as a fulcrum, and the undulating arm (2) with the bending arm (3) stands up and grabs (B) as shown by a chain line in FIG. ) Faces forward. On the other hand, when the undulation cylinder (19) is short-circuited from the above state, the operation is performed in the opposite manner, and the undulation arm (2) with the bending arm (3) falls down as shown by the thin line in FIG. 1 to grab (B). Turns downwards.

(3) As shown by the solid line in FIG. 3, when the opening / closing cylinder (6) is extended from the state where the claws (4) and (5) of the glove (B) are opened, the one-sided arm rod (29) is At the same time as rotating in the clockwise direction with the shaft rod (30) as a fulcrum, the one side arm rod (29) passes through the shaft rod (34), the connecting rod (33), the shaft rod (35) and the other arm rod (31). Rotates counterclockwise around the shaft rod (32) as a fulcrum, and the arm rods (29) and (31) are closed as shown by the chain line in FIG. 3, and their claws (4) and (5) are bale (A). ) And grab the veil (A) with the glove (B). On the other hand, when the opening / closing cylinder (6) is shortened from the above state, the arm rods (29), (31) are opened by the operation opposite to the above, and their claws (4), (5) are removed from the bale (A). It escapes and the veil (A) is released from the glove (B).

(4) Accordingly, the tractor (C) is appropriately moved forward or backward, the work frame (1) with grab (B) is raised or lowered in parallel by the loader (D), and the claws () of the glove (B) are moved. 4), (5) are closed or opened, and depending on the case, the undulating arm (2) of the grab (B) is raised or laid down, (a) made by a roll baler and discharged laterally and scattered in the field Claw (4) of glove (B) on bale (A),
By (5), the bag is grabbed from above and transported, and then the bale (A) is released at a required place, and the bale (A) is loaded horizontally or vertically, or is stacked and stored in a warehouse.

(B) Unloading and transporting the above-mentioned loaded or stacked bale (A).

Can work.

(5) The tine device (E) pulls out the pin (48) from the state in which the tine (46) is erected and folded as shown in FIG. When it is rotated clockwise, the tine holder (42) with the tine (46) rotates while the pin (47) advances in the elongated hole (39) of the base metal (37), and as shown in FIG. The pin (47) reaches the front end of the long hole (39), and the tubular body (45) of the tine holder (42) is attached to the lower frame (3
The tine (46) hits the lower surface of 8) and is locked in a substantially horizontal laid state. Then, when the pin (48) is inserted into the base metal (37) and the pin holes (41) and (44) of the tine holder (42), the tine (46) is fixed in the horizontal state.

On the other hand, pull out the bottle (48) from the above state and remove the tine (46).
When the handle is lifted, the tine holder (42) with the tine (46) operates in the opposite manner to the above, and stands up and is folded as shown in FIG. Then, when the pin (48) is inserted into the pin holes (40) and (44) of the base metal (37) and the tine holder (42), the tine (46) is fixed in the folded state.

Therefore, after the tine (46) is laid down and fixed, the loader (D) is operated in the same manner as described above to grab the bale (A) with the grab (B) and lift it, and then the tractor (C) is advanced. If the tines (46) are pierced into another veil (A), it is possible to carry two or three bale (A) at a time.

(6) On the other hand, pull out the pin (25) from the bending arm (3) with grab (B) in the standing state shown in FIG. 1 and rotate the bending arm (3) 180 ° in the undulating arm (2). Then, as shown in FIG. 10, the bending arm (3) falls down and its tip piece becomes vertical, and the glove (B) faces forward. Then, when the pin (25) is inserted into the pin holes (18) and (22) of the undulating arm (2) and the bending arm (3), the bending arm (3) with grab (B) is fixed in the above state. .

Therefore, in this case, (a) the glove (B) is at a lower position than in the state shown in FIG. 1 and is facing forward, so that the bale (A) placed on the ground sideways is Its lateral direction, that is,
It can be grasped by the glove (B) from both sides in the axial direction of the bale (A).

(B) When the bale (A) is placed vertically and is transported, loaded, stacked, unloaded, etc. in the vertical orientation,
It is possible to work without actuating the hoisting arm (2).

(C) A small veil (A) placed on the ground can also be grabbed by the glove (B).

(7) Further, when the bending arm (3) is in the above state,
After pulling out the pin (36) of the grab (B) and pulling out the glove (B) from the bending arm (3), as shown in FIG. 11,
One end of the shape (27) of the grab (B) is fitted to the tip of the bending arm (3) and their pin holes (28), (2
Insert the pin (36) into 4). On the other hand, the pin (5) is inserted in the pin hole (23) of the bending arm (3) and the pin hole of the suspension rod (49).
0) is inserted, the other end of the shape metal (27) is fitted to the other end of the hanging rod (49), and the pin hole (28) of the shape metal (27) and the hanging rod (49) are If the pin (36) is inserted into the other end pin hole and the grab (B) is attached to the tip of the bending arm (3) together with the suspension rod (49), the glove (B) is attached. Turns downward and is in a position lower than that shown in FIG.

Therefore, in this case, a small veil (A) placed laterally on the ground can also be grasped.

The structure of another embodiment of the present invention shown in FIGS. 12 to 14 will be described. (3a) is a bending arm, (51) is a base piece of the bending arm (3a) , A pin hole (52) is drilled in a direction substantially perpendicular to the pin hole (22), a fan-shaped metal (53) is fixed to the tip, and two adjustment holes (54) are drilled in the tip of the fan-shaped metal (53). . Reference numeral (55) is a distal end piece of the bending arm (3a) , which is formed longer than the distal end piece of the bending arm (3) in the above-mentioned embodiment, and pin holes (23), (24) are formed in the middle thereof.
, Pin holes (23a) and (24a) on the tip side,
Secure the U-shaped mounting plate (56) to the base end. Therefore, the U-shaped mounting metal (56) is fitted to the sectoral metal (53), and the tip of the U-shaped mounting metal (56) is pivotally attached to the base of the sectoral metal (53) by the pin (57). Bending arm in the state shown by the solid line in Fig. 12 by inserting and removing the pin (58) into and from the pin hole at the base of the shape mounting metal (56) and one adjustment hole (54) of the fan-shaped metal (53).
Make up (3a) . Other reference numerals indicate the same parts as in FIGS. 1 to 11.

Also in this structure, (a) the shape (27) of the grab (B) is attached to the bending arm (3 ).
Fit the middle part of the tip piece (55) of a) , and
7) pin hole (28) and tip piece (55) pin hole (23), (2)
4) Insert the pin (36) into and the bending arm (3
be fixed grab (B) in a), since the attachment of the grab (B) is the same as the state shown in FIG. 1, act similarly to the above embodiment.

(B) Attach the shape (27) of the grab (B) to the bending arm (3
a) Fit the tip of the tip piece (55) and
7) pin hole (28) and tip piece (55) pin hole (23a),
Bend arm by inserting pin (36) into (24a) and (24a)
When the glove (B) is fixed to (3a) , (i) the same operation as described above is performed.

(Ii) The bail (A) located in front of the tractor (C) can be grasped at a distance.

(Iii) As shown by the chain line in FIG. 1, when the glove (B) is raised to raise the undulating arm (2) to lift the bale (A), the bale (A) can be lifted high.

(Iv) When the bending arm (3a) is rotated 180 ° from the above state to bring the bending arm (3a) with grab (B ) to the state shown in FIG. 10, the grab (B) is at a lower position, You can also grab a small veil (A) placed on the ground.

(V) Remove the grab (B) from the bending arm (3a) ,
The bent arm (3a) the tip piece (55) of the tip pin hole (24a) and hanging rods (49) 11 similarly bent arm and the state shown in FIG. In the above embodiment by using of the (3a) When the glove (B) is attached to the tip, the glove (B) will be in a low position, so a small veil (A) placed on the ground.
You can also grab

(C) From the state in which the bending arm (3a) is shown in FIG. 12, remove the pin (25) and rotate the bending arm (3a) 90 ° to one side to move the pin (25) into the pin holes (18), (52). ) And fix the bending arm (3a) to the undulating arm (2). On the other hand, the pin (58) is pulled out and the tip piece (55 ) of the bending arm (3a) is rotated about the pin (57) as a fulcrum as shown by the chain line in Fig. 12, and the pin (58) is attached to the mounting metal (56). The bending arm is inserted into the pin hole of the base of the and the other adjusting hole (54) of the fan-shaped metal (53).
When the tip piece (55 ) of (3a) is fixed to the base piece (51),
As shown in FIG. 14, the grab (B) is located on one side in front of the fuselage in a horizontal state and faces forward.

Therefore, in this case, the veil (A) can be stacked and unloaded on the wall.

(I) By rotating the bending arm (3a) by rotating it by 90 ° in the opposite direction to the above, the glove (B) can be positioned on the side opposite to the position shown in FIG.

(Ii) If the pin piece (55 ) of the bending arm (3a) is formed with a pin hole (23), (24) and (23a), or a pin hole perpendicular to (24a), the pin (36) will be inserted. Pull out and rotate the glove (B) 90 °, and insert the pin (36) into the pin hole (28) of the die (27) and the pin hole of the bending arm (3a) at the right angle of the tip piece (55). When put on, the glove (B) is fixed downward and can be operated in the same manner as above.

In addition to this veil (A), this cargo handling machine
Pillars and tubular items such as bales, wood, drums, pipes, base materials, etc. are sandwiched from both sides and grasped and transported, loaded, stacked,
It can be used in the same way as above for the work of loading and unloading.

Also, this cargo handling machine can be operated in the same manner as above even if it is attached to a conventional general front loader, a cargo handling machine such as a forklift, a three-point link hitch of a tractor, etc. instead of the loader (D).

(Effects of the Invention) The cargo handling machine such as a roll bale of the present invention has the following remarkable effects.

(1) Since the claws on both sides of the grab that are opened and closed are closed to grab the bale for carrying, loading, stacking, unloading, etc., and opening the claws on both sides of the grab to release the veil. ) Grabbing the bale with the claws smoothly and satisfactorily, and the work is efficient and safe.

(B) Grabbing of the bale by the grab is reliable, and there is no risk of the bale falling off from the glove during transportation, which is beneficial for work and safety.

(C) When the claws on both sides of the glove are opened and the bale is released after the bale is stacked, there is no possibility that the bale will be overloaded with an even load applied to both sides.

(2) Since the hoisting arm with grab attached to the work frame is rotated up and down to raise or lower while rotating the grab, it is possible to lift the bale as high as the amount of rotation of the grab is raised, which is useful for work.

(3) Since the bale can be easily stacked either horizontally or vertically, (a) it is useful for storing the bale.

(B) The bale can be stored in the storage space without any gap, and the narrow storage space can be effectively utilized without any gap.

(4) In particular, the bending arm is undulated by appropriately rotating the bending arm whose base is rotatably attached to the undulation arm, and the grabbed tip piece of the bending arm becomes horizontal or moves downward. The vertical state of.

Therefore, when the bale is large, the tip of the bending arm is placed in a horizontal state, and when the bale is small, the bending arm is rotated from the above state and the tip is directed downwards to lower the grab. By doing so, regardless of the size of the veil, the veil can always be grasped and lifted and transported smoothly and surely, and the use range is large and the workability is good.

(6) It can be easily constructed and easily manufactured at low cost, and its operation is simple and convenient in terms of work.

[Brief description of drawings]

FIG. 1 is a side view showing a state in which a bale loader equipped with a cargo handling machine such as a roll bale according to an embodiment of the present invention is attached to a tractor, FIG. 2 is an enlarged rear view of the work frame portion of the same, and FIG. An enlarged front view of the grab portion, FIG. 4 is a side view of the frame portion, FIG. 5 is an enlarged side sectional view of the undulating arm with a bending arm, and FIG. 6 is a sectional view taken along line I-I of FIG.
The figure is an enlarged side sectional view of the tine, Fig. 8 is a side sectional view of the tine lying down, Fig. 9 is a plan view, and Fig. 10 is the main part of the same bending arm rotated 180 °. FIG. 11 is a side view of a main portion of the glove with the grab attached using a suspension rod, and FIG. 12 is a bending of a cargo handling machine such as a roll bale according to another embodiment of the present invention. A side view of the undulating arm portion with an arm, FIG. 13 is a sectional view taken along line II-II of FIG. 12,
FIG. 14 is a plan view of an essential part of the bale loader using the undulating arm with a bending arm. (B) ... Grab, (1) ... Work frame, (2) ...
... undulating arm, (3) ... bending arm, (4), (5)
…… Claws, (6) …… Opening and closing cylinder, (19) …… Relief cylinder,

Claims (1)

[Claims] 1. A base of an undulating arm is pivotally attached to an upper part of a work frame, the undulating arm and a lower part of the work frame are connected by an undulating cylinder, and the base of a bending arm is appropriately rotated with respect to the undulating arm. A loading and unloading machine such as a roll bale characterized in that it is mounted so as to be fixed in a position, and a glove whose pawls on both sides are opened and closed by an opening and closing cylinder is attached to the tip end of the bending arm.