JP2948556B2 - Clutch device for wheel and hose winding drum in automatic watering machine for raising seedlings - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic irrigation device for raising seedlings, which is moved backwards on a trolley or the like, to disconnect the transmission mechanism between the wheels of the automatic irrigation device for raising seedlings and the hose winding drum. The present invention relates to a clutch device for a wheel and a hose winding drum in an automatic watering machine for raising seedlings capable of setting a wheel in a free state.

[0002]

2. Description of the Related Art Conventional automatic watering machines for raising seedlings of this kind include:
There is a device described in Japanese Utility Model Publication No. 4-18369.

[0003] In the above-mentioned conventional automatic watering machine for raising seedlings, the rotating shaft of the deceleration motor, the axle of the wheels, and the drum shaft of the hose winding drum are directly connected by a transmission mechanism.

[0004] Therefore, in order to move the automatic seedling raising machine to the next house, when the operator moves the automatic seedling raising system backward and out of the house by hand, the wheels are driven by a speed reduction motor and a hose winding drum. , The automatic watering machine for raising seedlings must be moved backward.

Further, since the hose is full of water and the automatic watering machine for raising seedlings is heavy, it is very difficult to take out the automatic watering machine for raising seedlings from the house manually, because considerable labor is required. is there.

[0006]

SUMMARY OF THE INVENTION An object of the present invention is to enable a woman to easily and easily carry out an operation such as moving an automatic watering machine for raising seedlings backward, moving out of a house and moving to the next house.

[0007]

A clutch is interposed in a transmission mechanism for transmitting power to a wheel and a hose winding drum from a rotation shaft of a deceleration motor of the automatic seedling raising machine. When moving out of the house and moving to the next house, etc., the above-mentioned clutches are cut to make the wheels in a free state, and the automatic watering machine for raising seedlings can be moved backward by light power manually and moved. An object of the present invention is to provide a clutch device for a wheel and a hose winding drum in a watering machine.

That is, a traveling clutch with a traveling clutch lever is provided in a transmission mechanism for connecting a rotating shaft of a forward / reverse rotation reduction motor mounted on the vehicle body and an axle with both wheels mounted on the vehicle body. A drum clutch with a drum clutch lever is provided in a transmission mechanism connecting an axle and a drum shaft of a hose winding drum provided on the vehicle body to constitute a clutch device for a wheel and a hose winding drum in an automatic watering machine for raising seedlings, Work such as backing out the automatic watering machine for raising seedlings, moving out of the house and moving to the next house,
The purpose of enabling women to easily and easily perform the transmission mechanism from the rotation shaft of the reduction motor to the axle with wheels on both sides and the transmission mechanism from the axle with wheels on both sides to the drum shaft of the hose winding drum. It was realized by interposing each clutch.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of the present invention.
(1) an entrance formed in the center of the rear wall of the house (A),
(2) a rail laid out at the center of the house (A) by projecting backward from the entrance (1) of the house (A); (3)
Is a floor on both sides in the house (A), (4) is a seedling raising box in which seeds are sown, and a number of seedling raising boxes (4) are arranged side by side on the floor (3).

(B) shows an automatic watering machine for raising seedlings, (5)
Is a vehicle body of an automatic watering machine (B) for raising seedlings. The flanged wheels (8) and (9) on both sides of a front axle (6) and a rear axle (7) installed on the vehicle body (5) are rails (2). The front axle (6) and the rear axle (7) are connected by a chain transmission mechanism (10). (11) is a forward / reverse rotation reduction motor mounted on a front part in the vehicle body (5), (12) is a rotation shaft of the reduction motor (11), and (13) is an intermediate part installed in an intermediate part of the vehicle body (5). Axis.

(A) shows a traveling clutch provided on one side of the rear axle (7), and (14) is a chain wheel of the traveling clutch (a), which is freely rotatably fitted to the rear axle (7). The chain wheel (14) and the chain wheel (15) of the rotating shaft (12) are
6) A clutch pawl (17) is provided on the inner surface of the chain wheel (14). Reference numeral (18) denotes a clutch ring which is slidably fitted to the rear axle (7) via a key (19) inside the chain wheel (14) via a key (19). A groove (20) is formed, and a clutch claw (21) is provided on the outer surface of the clutch (14) for engaging and disengaging with the clutch claw (17) of the chain wheel (14).

A vertical support rod (22) pivotally supported on one side of the rear end of the vehicle body (5), is supported by a spring (23) at a lower pressure and has a front end bent in front of the support rod (22). Upper and lower pawl rods (24) whose pawls are engaged with the circumferential groove (20) of the clutch ring (18) are mounted on the rear, and a traveling clutch lever (25) is mounted on the rear. (26) is a rear wall of the vehicle body (5), and the traveling clutch lever (25) is inserted into a horizontally long locking hole (27) having locking recesses formed on both sides below one side of the rear wall (26). I do. (28) is a limit switch attached to the vehicle body (5) outside the claw rod (24), and (29) is an operation piece of the limit switch (28).

(B) is a drum clutch provided on the other side of the rear axle (7), which is constructed similarly to the traveling clutch (a) so as to be left-right symmetric, and (30) is a chain wheel. Car (3
0) and chain (32) on the chain wheel (31) of the intermediate shaft (13)
Over. (33) is the clutch pawl of the chain wheel (30),
(34) is a key of the rear axle (7), (35) is a clutch ring, (36) is a circumferential groove of the clutch ring (35), (37) is a clutch claw of the clutch ring (35), and (38) is a support. Rod,
(39) is a spring, (40) is a claw rod, (41) is a drum clutch lever, (42) is a horizontally long locking hole, (43)
Is a limit switch, (44) is a limit switch (4
This is the action piece of 3).

Reference numeral (45) denotes a pipe-shaped drum shaft rotatably mounted on the upper part of the vehicle body (5). A chain wheel (46) with a torque limiter is mounted on the other protruding portion of the intermediate shaft (13), and a drum shaft (45). ), A sprocket (47) with a ratchet is attached to the other side protrusion, and the sprocket (4) with a torque limiter is attached.
6), a chain wheel with a ratchet (47) and both chain wheels (4)
6) A chain (49) is hung on the tension wheel (48) pivotally supported in the middle front between (47) and (47). (50) is a cover for the chain (49).

Reference numeral (51) denotes a hose winding drum attached to the drum shaft (45). The end of a hose (52) wound around the drum (51) communicates with a hollow portion in the drum shaft (45) and is fed out. Although not shown, the base end is connected to a pump installed on the ground or the like at the rear of the house (A).

(53) is a shaft protruding above the front end of the vehicle body (5), (54) is a hanger that is hung on the shaft (53) so as to be rotatable left and right, and (55) is a hanger (54). ), A pipe (57) with a multi-headed nozzle (56) is attached to each of the booms (55) on both sides in the front-rear direction. The central portion of 57) and one end of the drum shaft (45) are connected by a hose. Reference numeral (58) denotes a battery mounted on the suspension stand (54). Although not shown, the battery (58) and the deceleration motor (11), a forward / reverse switch for the deceleration motor (11), and a limit switch (28). , (43),
An electric circuit is formed in a main switch, a manual switch, and the like of the electric controller.

(C) shows a house juxtaposed on the other side of the house (A), and (59) shows a house (A) in the house (C).
(60) is the house (A),
This is a transfer rail laid at right angles to the rails (2) and (59) behind the (C).

(D) shows a carriage mounted on the transfer rail (60), and (61) is a short rail mounted on the carriage (D) in a direction perpendicular to the transfer rail (60).

The operation will be described. As shown in FIG. 4, the traveling clutch lever (25) and the drum clutch lever (41) are operated inward, and as shown in FIG.
7) and (42), when engaged with the inner locking recesses, respectively, the clutch claws (17) and (2) of the traveling clutch (a) are engaged.
1) and clutch claws (33) of the drum clutch (b),
(37) are respectively engaged to engage the traveling clutch (a) and the drum clutch (b), and the limit switch (28) is operated by the claw rod (24) of the traveling clutch (a).
Of the action piece (29) of the drum clutch (b)
0), the action piece (44) of the limit switch (43)
To limit switches (28), (4
Enter 3).

Thus, the automatic watering machine (B) is connected to the rail (2).
If the pump is driven on the rear end, water will flow through the hose (52), the drum shaft (45), the hose to the pipe (57) and through the pipe (57) and all of the pipe (57). It is sprayed from the nozzle (56).

When the main switch of the reduction motor (11) is turned on, the rotation shaft (12) of the reduction motor (11) rotates forward and the chain (15) of the rotation shaft (12) rotates from the chain (16). , A chain wheel (14) and a clutch pawl (17) of the traveling clutch (a), a clutch pawl (21), a clutch ring (1).
8), the key (19), the rear wheel axle (7), the wheel (9) rotates forward, and the rear axle (7) transmits the transmission mechanism (1).
0), the wheel (8) rotates forward via the front axle (6).

At the same time, the key (3) is
4) and the clutch ring (35) of the drum clutch (b),
Clutch claws (37), clutch claws (33), chain wheels (3
0), chain (32), chain wheel (31), intermediate shaft (1
3), Chain wheel with torque limiter (46), Chain (4
9), Chain wheel with ratchet (47), Drum shaft (45)
Then, the drum (51) rotates counterclockwise in FIG.
Accordingly, the automatic watering machine (B) slowly advances on the rail (2) while the hose (52) is being drawn out from the drum (51), and waters the nursery box (4) evenly with a large number of nozzles (56). .

When the automatic watering machine (B) reaches the front end of the rail (2), if the forward / reverse switch (not shown) of the deceleration motor (11) is switched, the deceleration motor (11) is turned on.
The rotation axis (12) rotates in the reverse direction.
2) driven by wheels (8), (9) and drum (5)
1) rotates in the opposite direction. Therefore, the hose (5
Automatic watering machine (B) while winding 2) on drum (51)
Slowly reverses on the rail (2), and irrigates the nursery box (4) evenly with the multiple nozzles (56) in the same manner as described above.

When the automatic watering machine (B) is moved from the house (A) to the house (C) after the operation of watering the nursery box (4) in the house (A) is finished, FIG.
As shown by a solid line, the booms (55) on both sides of the automatic watering machine (B) are folded to move the automatic watering machine (B) backward to the rear end of the rail (2).

Then, as shown in FIG. 5, when the traveling clutch lever (25) and the drum clutch lever (41) are operated outward to engage with the outer locking recesses of the locking holes (27) and (42). , The clutch claw (1) of the traveling clutch (a)
7), (21) and the clutch claws (33), (37) of the drum clutch (b) are disengaged and the traveling clutch (a) and the drum clutch (b) are disengaged, and the claw rod of the traveling clutch (a) is disengaged. (24) is the claw rod (4) of the drum clutch (b) from the action piece (29) of the limit switch (28).
0) are separated from the action piece (44) of the limit switch (43), respectively, and the limit switches (28) and (43) are separated from each other.
Runs out.

Therefore, the rear axle (7) with wheels (9) and the front axle (6) with wheels (8) connected to the rear axle (7) by the transmission mechanism (10) rotate the rotation of the speed reduction motor (11). The connection of the transmission mechanism between the shaft (12) and the drum shaft (45) with the drum (51) is disconnected, and the free state is established.

Then, after disconnecting the hose (52) from the pump, the operator manually moves the automatic watering machine (B) backward, and the short rail (61) of the bogie (D) is moved from the rail (2).
It is moved upward and mounted on the short rail (61) of the bogie (D) as shown by a chain line in FIG.

Thereafter, the carriage (D) is moved to the transfer rail (6).
0), the automatic watering machine (B) is transported to the entrance of the house (C), and the short rail (61) of the truck (D) faces the rail (59) of the house (C). Let it.

Then, an operator manually inputs an automatic watering machine (B).
To move on the rail (59) from the short rail (61).

Next, the hose (52) is connected to the pump, and the traveling clutch lever (25) and the drum clutch lever (41) are operated inward in the same manner as described above to lock the hole (2).
7) and (42), the traveling clutch (a) and the drum clutch (b) are engaged,
Since the limit switches (28) and (43) are turned on and the automatic watering machine (B) is in the same state as in the house (A), the automatic watering machine (B) is thereafter operated in the same manner as in the house (A). When operated, watering can be performed in the house (C) by the automatic watering machine (B) in the same manner as described above.

When the automatic watering machine (B) is mounted on the bogie (D), the step between the rail (2) and the short rail (61) is large depending on the state behind the house (A), so that a woman or the like can use it automatically. If the watering machine (B) cannot be pushed up onto the cart (D), the drum clutch (b) is turned off, the manual switch is turned on, and the rotating shaft (12) of the deceleration motor (11) is rotated in reverse. The trolley (D) with the watering machine (B) moving backward by power
On the short rail (61).

The chain wheel with a torque limiter (46) and the chain wheel with a ratchet (47) are turned upside down, the chain wheel with a torque limiter (46) is mounted on the drum shaft (45), and the ratchet is mounted on the intermediate shaft (13). The same operation as described above can be achieved by attaching the chain wheel (47) and chain-linking the chain wheels (46), (47) and the tension wheel (48) with the chain (49).

Instead of the above-mentioned irrigation, it can also be used for spraying disinfectants, herbicides, liquid fertilizers and the like.

The same operation as described above is performed in a nursery bed in place of the nursery box (4).

[0035]

The clutch device for the wheel and the hose winding drum in the automatic seedling raising watering machine of the present invention has the following advantages.

(1) If the traveling clutch and the drum clutch are engaged, the automatic irrigation machine automatically advances and retreats on the rail to irrigate the water, so that the irrigating operation is unmanned and labor is eliminated.

(2) In the case where the automatic watering machine is moved from a completed house to another house, if the traveling clutch and the drum clutch are disengaged, both the axle, the rotating shaft of the deceleration motor and the drum shaft can be used. Since the connection of the transmission mechanism is disconnected and the axle is in a free state, the operator can easily push and move the automatic watering machine manually, and it is easy to handle and convenient.

(3) When the above-mentioned worker moves the automatic watering machine, if the gradient of the rail is steep and the automatic watering machine cannot be pushed up, the drum clutch is disconnected and the rotation shaft of the deceleration motor is rotated. By doing so, the automatic watering machine can be moved by moving the automatic watering machine with power while the hose shaft is in a free state, and can be operated even by a non-powerful person such as a woman, which is practically useful.

(4) Simple construction and easy and inexpensive manufacture make the operation smooth and accurate.

[Brief description of the drawings]

FIG. 1 is a front view of an automatic watering machine for raising seedlings showing one embodiment of the present invention.

FIG. 2 is an enlarged side view of the same.

FIG. 3 is a side sectional view of a main part of the same.

FIG. 4 is an enlarged plan cross-sectional view of the transmission part, with a part cut away.

FIG. 5 is a plan cross-sectional view of a main part of the transmission unit in a state where a traveling clutch and a drum clutch are disengaged.

FIG. 6 is a rear sectional view of the vehicle body in a state where the traveling clutch and the drum clutch are engaged.

FIG. 7 is an exploded perspective view of the traveling clutch unit.

FIG. 8 is an explanatory plan view of a main part showing a moving state between houses of the automatic seedling raising automatic watering machine.

[Explanation of symbols]

 A house B Automatic seedling raising machine C house D bogie a running clutch b drum clutch 1 doorway 2 rail 3 floor 4 nursery box 5 body 6 front axle 7 rear axle 8 wheels 9 wheels 10 chain transmission mechanism 11 reduction motor 12 rotation shaft DESCRIPTION OF SYMBOLS 13 Intermediate shaft 14 Chainwheel 15 Chainwheel 16 Chain 17 Clutch pawl 18 Clutch ring 19 Key 20 Peripheral groove 21 Clutch pawl 22 Support rod 23 Spring 24 Pawl rod 25 Traveling clutch lever 26 Rear wall 27 Laterally long locking hole 28 Limit switch 29 Action Piece 30 chain wheel 31 chain wheel 32 chain 33 clutch pawl 34 key 35 clutch ring 36 circumferential groove 37 clutch pawl 38 support rod 39 spring 40 pawl rod 41 drum clutch lever 42 horizontally long locking hole 43 limit switch 44 action piece 45 drum shaft 46 Chain wheel with torque limiter 47 Chain wheel with ratchet 48 Tension wheel 49 Chain 50 Cover 51 Drum 52 Hose 53 Shaft 54 Hanging stand 55 Boom 56 Multihead nozzle 57 Pipe 58 Battery 59 Rail 60 Transfer rail 61 Short rail

Claims (1)

(57) [Claims] 1. A traveling clutch with a traveling clutch lever is provided in a transmission mechanism for connecting a rotating shaft of a forward / reverse rotation reduction motor mounted on a vehicle body to an axle with both wheels mounted on the vehicle body. And a clutch device for a wheel and a hose winding drum in an automatic watering machine for raising seedlings, wherein a drum clutch with a drum clutch lever is provided in a transmission mechanism for connecting a drum shaft of a hose winding drum installed on the vehicle body. .