JPH0646687A - Apparatus for driving film-supporting post - Google Patents

Abstract

PURPOSE:To smoothly supply and deliver a film-supporting post to be driven into a field. CONSTITUTION:The objective apparatus is provided with a vertically movable post-driving member 12 capable of pressing an inverted U-form post S from above to drive the lower ends of the post into a field and post-transfer members 35, 37... to successively transfer the posts in the lifting path of the post-driving member 12. The transfer action of the post-transfer member 35 with pushing members 51, 59 is interlocked with the lifting and returning motion of the post- driving member 12 after completing the driving action. A post S bestriding on the post-transfer member can be delivered surely to the lifting path of the post-driving member 12 to enable the well-timed driving of the post with the post-driving member.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for driving an inverted U-shaped film strut which serves as a strut when a multi-film is stretched in a tunnel shape. It is designed to ensure that the supply is accurate.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Unexamined Patent Publication No. 61-28202
Those disclosed in Japanese Patent Laid-Open No. 4 and Japanese Patent Laid-Open No. 4-197115 are known.

[0003]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
The structure shown in Japanese Patent No. 2024 has a complicated structure because the belt conveyor of the prop feeder is driven by the electric motor every time the traveling of the machine body is stopped. Further, in another one disclosed in the above-mentioned Japanese Patent Laid-Open No. 4-197115, the columns are conveyed and supplied by using weights, and it is necessary to pull back and operate the weights that are heavy at the start of the work. There was a problem that the total weight of the whole increased.

[0004]

In order to solve the above problems, the present invention provides a strut driving member capable of being driven up and down to push an inverted U-shaped strut from above and strike the lower end of the strut into a field. ,
In a device provided with a pillar conveying member that sequentially conveys the pillars in the ascending / descending path of the pillar driving member, a conveying / supplying operation of the pillar conveying member is performed and an ascending return operation after the driving operation of the pillar driving member is completed. It is characterized by the interlocking configuration.

[0005]

The inverted U-shaped struts placed over the stanchion conveying member are sequentially conveyed and supplied one by one into the ascending / descending path of the stanchion striking member. The lower end is driven into the field by being pressed from above.
Then, the strut conveying member is driven in association with the ascending return operation after the striking operation of the strut driving member, and the succeeding strut is fed out into the ascending / descending path of the strut driving member, It is driven into the field by the descending action. Therefore, the striking operation of the strut by the strut striking member can be performed accurately in a timely manner, and the supply of the strut is performed at the time of the ascending return operation of the strut striking member. The driving work can be performed smoothly in the state of continuous running. Further, since the weight of the entire working device can be reduced, the subsidence of the machine body is reduced and the vehicle can be easily driven in the field.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an overall side view of a film strut driving device, which is a lift lifted by a top link 1, lower links 2, 2 and hydraulic lift arms 3, 3 behind a traveling machine T such as a riding type agricultural tractor. Film strut driving device A through a known lifting link mechanism composed of rods 4, 4 and the like.
Is connected so that it can move up and down. The frame of the driving device A is composed of a front mast frame 5 arranged in a partition shape and side frames 6 and 6 integrally connected to the rear from both left and right sides of the mast frame 5. A bracket 7 is fixedly installed at the center of the front end of the mast frame 5 so that the top link 1 can be pivotally connected. The bracket 7 is located at the lower left and right sides of the front end of the mast frame 5 to pivotally connect the lower links 2 and 2. The connecting brackets 8, 8 which make possible are fixed. The left and right side frames 6, 6 are connected to each other by a gate-shaped arch frame 9 at their front portions, and are connected at their rear portions with a gate-shaped loop frame 10 to form a strong framework. Under the side frames 6 and 6, lower guide members 11, 11 which slidably guide the lower end portions on both sides of the film column S formed in an inverted U shape are supported in a suspended manner.

Behind the mast frame 5, there is a strut driving member 12, rail members 13, 13 ... Attached to the strut driving member 12, and bearings 14, 14 supported by the mast frame 5. Are supported by the mast frame 5 so as to be able to move up and down while being regulated and guided in the front and rear and in the left and right. A double-acting hydraulic cylinder 17 and a hydraulic piston 18 are provided vertically between the bracket 15 attached to the upper left and right center of the strut driving member 12 and the bracket 16 attached to the lower left and right center of the mast frame 5. And the strut driving member 12 is connected to the hydraulic piston 1.
It is configured such that it can be driven up and down by a drive expansion and contraction operation of 8. A film support S is provided on the rear wall of the support driving member 12.
Are arranged along the inverted U-shape of the film strut S, and the spring claws 12B that keep the film strut S from falling.
12B is provided. Further, a pushing tool 19 is attached to the upper part of the front wall surface of the strut driving member 12, and the pushing tool 1
Reference numeral 9 is formed in a U shape so as to surround the hydraulic piston 18.

On the front side of the pushing tool 19, a drive arm 20 having a bifurcated tip is arranged so as to be vertically rotatable. The drive arm 20 has a horizontal shaft 21 rotatably supported by the mast frame 5 and a one-way clutch 2 on a horizontal shaft 21.
It is pivotally supported via 2 and is rotated upward in conjunction with the upward movement of the pusher 19 to rotationally drive the horizontal shaft 21 via the one-way clutch 22 to lower the pusher 19. Following it, it rotates downward, and the one-way clutch 22 causes the horizontal shaft 21 to return to its lower position without reversing, and the stopper 23 provided on the mast frame 5 prevents the lowering at a fixed position. A winding drum 24 is freely rotatably fitted on the horizontal shaft 21, and a driven inclined cam 25 is driven by one end of the winding drum 24.
Is attached integrally. A shifter 27 having a drive tilt cam 26 is disposed adjacent to the driven tilt cam 25. The shifter 27 is axially movable on the horizontal shaft 21 and is supported by a key integrally in the circumferential direction. The spring 28 biases the driven tilt cam 25. 29
Is a shifter lever for releasing the meshing of the driven tilt cam 26 from the driven tilt cam 25 of the winding drum 24 against the biasing force of the spring 28 by the shifter 27. The shifter lever 29 is a guide 30 attached to the mast frame 5. It is guided in. A manual handle 31 is attached to the end of the horizontal shaft 21 on the side opposite to the side where the shifter lever 29 is present, so that the winding drum 24 can be rotated by hand. In this case, even if the horizontal shaft 21 is rotated to manually rotate the winding drum 24, the drive arm 20 does not unexpectedly operate due to the presence of the one-way clutch 22. Reference numerals 32, 33 and 34 are pulleys fixed on the mast frame 5.

Inside the left and right side frames 6 and 6, saddle-shaped frames 35, which are strut-conveying members for supporting and conveying the film strut S, are arranged in an inverted U shape, and the saddle-shaped frames 35 are pipes. Made of a material in the shape of a lattice frame, the lower left and right ends thereof are detachably attached to the lower guide members 11, 11 attached to the lower portions of the side frames 6, 6, and the rear center is provided with a support stay 36. Loop frame 10 attached to the rear of the side frames 6 and 6
It is attached detachably to. Therefore, the saddle-like frame 35 is curvedly formed in the shape of a lattice frame to be rigidly configured, and is firmly supported by being supported by the sturdy side frames 6 and 6. On the outer peripheral surface of the saddle-shaped frame 35, a plurality of linear guide members 37, 38, 39 made of a round bar or a pipe material are arranged in the front-rear direction (in the embodiment, one at the top, one at each shoulder, One on each hem on both sides, 5 in total). Further, a guide plate 40 is provided vertically on the front end surface of the saddle-shaped frame 35 so as to extend parallel to the rear wall surface of the strut driving member 12.
A gap is formed between the guide plate 40 and the rear wall surface of the strut driving member 12 so that the film strut S can pass therethrough, and the film strut S is pressed from above by the downward movement of the strut driving member 12. In order to prevent the film column S from falling in the front-rear direction when it is driven into the field, it is possible to drive it upright by holding it.

A pressing guide member 41 is disposed above the guide member 37 at the top so as to face it. The pressing guide member 41 has base members 42, 4 provided at both front and rear ends thereof.
Slide bosses 43, 43 are fixedly installed via
The slide bosses 43, 43 are supported by the front and rear support rods 44, 44 which are arranged above the saddle-shaped frame 35 and the side frame 6 along the lateral direction of the vehicle so as to be reciprocally movable in the lateral direction of the vehicle. With the support structure, the pressing guide member 41 is configured to be movable and switchable between a position facing above the top guide member 37 and a position retracting laterally from this upper facing position. The inner ends of the front and rear support rods 44, 44 are supported by the saddle-shaped frame 35 via the support members 45, 45, respectively, and the outer ends of the support rods 44, 44 are supported by the support members 46, 46, respectively. It is supported by the frame 6. The base members 42, 42 have a parallel gap with the pressing guide member 41, and a handle member 47.
Is stuck. In addition, rail members 49 are provided on the upper portions of the support members 48, 48 standing up and down in front of the pressing guide member 41.
Is fixed to the rail member 49 and the bearing 5
A pushing member 51 of the film column S is suspended via 0, 50 so as to be movable back and forth. At the tip of the pushing member 51, there is formed a pushing portion 52 located between the top guide member 37 and the pressing guide member 41 for pushing the film support S, and the rear end of the pushing member 51. A spring hook 53 is screwed on the. Then, the pushing member 5
1 is interlockingly connected to the front winding drum 24 via a tension spring 54 and a rope 55.

Reference numerals 56 and 57 are pulleys mounted on the arch frame 9. The midpoint of the rope 55 whose base end is wound around the take-up drum 24 is guided by the peripheral surfaces of the pulleys 33, 56 and 57, and the ends thereof are guided. The part is connected to the tension spring 54. Rail members 58 in the front-rear direction are fixedly provided inside the left and right side frames 6 and 6, respectively, and a pushing member 59 of the film support S can be moved back and forth through bearings 50, 50 on the rail members 58. It is suspended. At the tip of the pushing member 59, there is formed a pushing portion 60 that pushes out the lower portion of the film column S that is slidably guided by the lower guide member 11, and at the rear end of the pushing member 59, a spring hook 61. Is screwed on. The pushing member 59 is linked to the front winding drum 24 via a tension spring 62 and a rope 63. The pushing member 59 arranged inside one of the side frames 6 and 6 is
The pulley 34 mounted on the arch frame 9 and the pulley 34
4, the rope 6 whose base end is wound around the winding drum 24 via the pulleys 65 mounted on the side frame 6, respectively.
The tip of 3 is connected to the tension spring 62.

The pushing member 59 disposed inside the other of the side frames 6 and 6 winds up the base end portion thereof via the pulley 32 and the pulley 66 attached to the side frame 6, respectively. The tip end of the rope 67 wound around the drum 24 is connected to the tension spring 62. The detection rod 6 is attached to one of the pushing members 59, 59.
8 is erected, and a remaining amount detection switch 69 is attached to the upper part of the rail member 58 located on the front side of the movement path of the detection rod, and the forward movement of the pushing member 59 causes the detection rod 68 to detect the remaining amount detection switch. It is configured to detect 69.
Reference numerals 70 and 70 denote running stabilizing wheels mounted at the rear ends of the left and right side frames 6 and 6, respectively, and 71 denotes a multi-apparatus that is stretched in a tunnel shape on an upper portion of a film support S in which the multi-film 72 is driven into the field. The multi device 71 is detachably fixed to the rear ends of the left and right side frames 6 and 6.

Next, the operation of the present invention will be described. Prior to the start of the work, when the film support S is straddled over the guide members 37, 38, 39 of the saddle-shaped frame 35 in the support transport member and the filling equipment is installed, it is positioned above the guide member 37 at the top inside the center of the machine body. Pressing guide member 4
1 and the pushing member 51 gripping the gripping member 47 and sliding on the support rods 44, 44 and retreating outward as shown by the chain line in FIG. 3 to open the upper portions of the guide members 37, 38, 39. To Therefore, there is no obstruction member above the guide member 37, and a plurality of film support columns S can be easily spread over the guide members 37, 38, 39 and sequentially brought into close contact with each other from the front side, and the filling equipment can be easily arranged. in this case,
Pushing member 51 on the top and pushing members 59, 5 on both sides of the lower part
9 loosens ropes 55, 63, 67 and rail members 49, 5
Retreat to the rear end of 8,58. The rope 5
To loosen 5, 63 and 67, the shifter lever 29 is tilted to retract the driven tilt cam 26 of the shifter 27 from the driven tilt cam 25 of the take-up drum 24 to release the engagement between the two. 24 becomes free with respect to the horizontal shaft 21, and it becomes possible to loosen the ropes 55, 63, 67, and it is easy to grasp the pushing members 51, 59, 59 at the front position and move them backward to the rearmost position. it can. In addition, the pressing guide member 41 and the pressing member 5
When retracting 1 to the outside, removing the spring 54 at the end of the rope 55 from the spring hook 53 facilitates the operation of retracting to the outside, and by retracting the rope 55 to the opposite side, the film column Work can be done efficiently without interfering with the S filling equipment work.

When the filling equipment of the film support S is completed,
The pressing guide member 41 and the pressing member 51 are returned from the outer retracted position to a position facing above the top guide member 37 as shown by the solid line in FIG.
The retracting movement is locked by an appropriate locking device (not shown) and fixed. As shown in FIG. 3, the pushing member 51 is configured such that the pushing direction of the pushing portion 52 is bent from the opposite side to the retracting movement side, so that when the pushing portion 52 is returned, the pushing member 52 is guided to the top guide member 37. It will surely come back above it without touching it. Next, the spring 54 at the tip of the rope 55 is locked to the spring hook 53, and the shifter lever 29 is moved back to engage the driven tilt cam 25 of the winding drum 24 with the drive tilt cam 26 of the shifter 27. After that, when the manual handle 31 is rotated counterclockwise in FIGS. 1 and 2 to rotate the winding drum 24 and wind the ropes 55, 63, 67, the pushing members are pushed through the springs 54, 62, 62. 51, 59, 59 are pulled to the forward side, and the pressing portions 52, 6
0 and 60 push the trailing end of the plurality of film columns S in a push-motion manner, and the ropes 55, 63 and 67 and the springs 54, 62 and 62 are in a tensioned state. By interposing springs 54, 62, 62, each rope 55, 6
Film support S that absorbs the elongation of 3,67, setting error, etc.
The pushing operation of each pushing member 51, 59, 59 with respect to can be made uniform.

When the ropes 55, 63, 67 and the springs 54, 62, 62 are tensioned as described above, the rotation of the manual handle 31 is stopped. Even if the handwheel 31 is released from the hand, the drive arm 20 mounted on the horizontal shaft 21 via the one-way clutch 22 is locked to the stopper 23 to prevent rotation, and the one-way clutch 22 prevents the drive arm 20 from moving laterally. The shaft 21 does not rotate, and therefore the winding drum 24 does not rotate in the reverse direction, and the tension states of the ropes 55, 63, 67 and the springs 54, 62, 62 are maintained, and the film is moved by the pushing members 51, 59, 59. The support S is being pushed reliably. In this way, the rotation of the manual handle 31 causes the ropes 55, 63, 67 and the springs 54, 6 to rotate.
2, 62 can be smoothly set to the initial work standby posture. When the preparation for starting the work is completed as described above, the traveling machine body T is moved forward and the driving of the hydraulic cylinder 17 is started. Although not shown, the double-acting hydraulic cylinder 17 turns the power of the electromagnetic valve mounted on the traveling body T side from the OFF state to the O state.
By simply operating the switch to the N state, the circuit of the electromagnetic valve is automatically switched so that the hydraulic piston 18 can be driven up and down automatically at a fixed timing. Further, by adjusting the waiting time at the time of ascending with a timer, the descending pitch can be changed and the driving interval of the film column S can be adjusted. Therefore, the hydraulic piston is moved up and down while the traveling machine body T is continuously traveling, and the strut driving member 12 connected thereto is driven up and down at a constant timing.

The strut driving member 12 holds the film strut S by the pressing member 12A and the spring claws 12B and descends, and at the time of driving in the field, the film is formed between the rear wall surface of the strut driving member 12 and the guide plate 40. The pillar S is driven so as not to fall in the front-rear direction and driven upright. Then, when the driving operation to the field is completed and the strut driving member 12 is returned to the ascending position, the next film strut S is pushed by the pushing members 51, 59,
It is pushed by 59 and is fed into the ascending / descending path of the strut driving member 12, and the fed film strut S is pushed by the pressing member 12A.
In addition, it is held by the spring claw 12B. Therefore, the drive arm 20 mounted on the horizontal shaft 21 via the one-way clutch 22 has a stroke corresponding to one stroke of the film strut S when the strut striking member 12 is lifted by the pushing tool 19 of the strut striking member 12. Since it is lifted and rotated, the horizontal shaft 21 rotates via the one-way clutch 22, and the winding drum 24 is wound and rotated by a stroke corresponding to one film strut S, and the ropes 55, 63, 67 and springs. 5
4, 62, 62 are pulled by a stroke corresponding to one film strut S while maintaining a tension state, and each pushing member 51,
59, 59 are moved to advance the film support S by one. As a result, the striking work can be reliably performed without feeding the film strut S when the strut driving member 12 is lowered, and the film strut S can be surely fed out with good timing only when the strut driving member 12 is raised. Further, since the drive is interlocked with the operation of the strut driving member 12, the operation is reliable.

Since the pushing tool 19 of the strut driving member 12 and the drive arm 20 are arranged so as to surround the hydraulic piston 18, the space can be made compact, and further, on the center line of the disposing position of the hydraulic piston 18. Therefore, the strut driving member 12 and the drive arm 20 can be driven smoothly without generating an eccentric load. Further, since the saddle-shaped frame 35 of the support member is firmly supported on the side frames 6, 6 side as described above, the guide members 37, 38, 39 of the saddle-shaped frame 35 are also supported firmly. Therefore, it is possible to smoothly carry the film strut S, which is filled and equipped on the guide members 37, 38, 39, without disturbing the carrying posture.

Then, when there is little remaining film strut S that is fed out while being fed over the guide members 37, 38, 39, the detection rod 68 provided on the pushing member 59 contacts the remaining amount detection switch 69. Then, based on the detection result, an alarm is appropriately issued by a lamp, a buzzer, or the like to notify the driver that the film column S is low, and the film column S is refilled. The filling and replenishing operation of the film column S is performed in the same manner as the above-described filling operation at the start of work. As described above, according to the present invention, the filling operation and the driving operation of the film support S can be efficiently performed.

[0019]

As described above, according to the present invention, a support striking member capable of being driven up and down for pushing an inverted U-shaped strut from above and driving the lower end portion thereof into a field, and the strut driving member. In a device provided with a pillar conveying member for sequentially conveying pillars in the ascending and descending path, the conveying and supplying operation of the pillar conveying member is configured to be interlocked with the ascending return operation after the driving operation of the pillar driving member is completed. By this, the strut driving operation by the strut driving member can be accurately performed in a timely manner, and the supply of the strut is performed at the time of the ascending return operation of the strut driving member, so that the propelling operation is reliable and the operation is efficient and the machine body is The driving work can be performed smoothly in the state of continuous running. Further, since the weight of the entire working device can be reduced, the subsidence of the machine body is reduced and the vehicle can be easily driven in the field.

[Brief description of drawings]

FIG. 1 is an overall side view of a film strut driving device of the present invention.

FIG. 2 is a schematic side view of essential parts showing a strut driving member and a strut conveying member.

FIG. 3 is a schematic rear view of an essential part showing a strut driving member and a strut conveying member.

FIG. 4 is a schematic rear view of a main part showing a drive unit of the winding drum.

FIG. 5 is a schematic perspective view of a main part showing a drive unit of the winding drum.

FIG. 6 is a schematic perspective view of a main part showing a supporting column conveying member.

[Explanation of symbols]

 5 Mast Frame 6 Side Frame 12 Strut Driving Member 17 Hydraulic Cylinder 18 Hydraulic Piston 19 Pusher 20 Drive Arm 35 Saddle-shaped Frame of Strut Conveying Member 37 Guide Member 41 Pressing Guide Member 52 Pushing Member 59 Pushing Member

Claims (1)

[Claims] 1. A strut driving member capable of being driven up and down to push an inverted U-shaped strut from above and strike the lower end portion thereof into a field,
In a device provided with a pillar conveying member that sequentially conveys the pillars in the ascending / descending path of the pillar driving member, a conveying / supplying operation of the pillar conveying member is performed and an ascending return operation after the driving operation of the pillar driving member is completed. Film strut driving device characterized by interlocking with.