JPH0746089Y2 - Interlocking rope set structure in work machine detachable structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to an interlocking rope set structure in a work machine attaching / detaching structure.

<Prior art> Conventionally, when operating the operation part of a planting work machine such as a passenger rice transplanter from the driver's seat, an interlocking rope such as a wire is connected to the operation mechanism on the machine side and the work machine side. It was stretched between the operating mechanisms and the operation of the operating mechanism was controlled by the pulling amount of the interlocking rope.

<Problems to be solved by the invention> However, as described above, for example, in the rice transplanter in which the working machine is detachably attached, or the working vehicle in which other kinds of working machines are appropriately replaced and working is performed. However, there is a drawback in that the work of connecting and separating the interlocking rope is troublesome.

Further, in the case where the interlocking rope is composed of the inner wire and the outer wire, when fixing the outer wire or connecting the inner wire, it is necessary to perform the fixing or connecting work against the tension of the wire, and the connecting and separating work is extremely difficult. .

Furthermore, if there are multiple interlocking ropes, connection work is required for each interlocking rope, and if the connection of the corresponding interlocking ropes on the machine side and the working machine side is incorrect, troubles such as malfunctions during work are likely to occur. There was a problem.

<Means for Solving the Problem> The present invention for solving the above-described problem is a mechanism in which the working machine 9 is detachably attached to the machine 1.
An interlocking rope 47 is provided between the operating mechanism 21 on the working machine side and the operating mechanism 45 on the machine side to communicate the operation of both mechanisms 21, 45, and the interlocking rope 47 is connected to the inner wires 51, 53 and the outer wires 52, 54. It consists of the machine side interlocking rope 49 and the working machine side interlocking rope 50, and one or more interlocking ropes 49, 50 are simultaneously held at the connection side ends of the outer wires 52, 54 of each interlocking rope 49, 50. The holding members 55 and 56 are attached, one holding member 55 is fixed, and the other holding member 56 is detachably held in the vicinity of the one holding member 55 while being near or far from the one holding member 55. A holding lever 63 that can be swung in the direction is provided so that the inner wires 51 and 53 of the machine side interlocking rope 49 and the working machine side interlocking rope 50 can be connected at a close position, and the far position is set to the interlocking rope 47. Is characterized by.

<Operation> The working machine 9 is detachably attached to the machine 1.
The operation mechanism 21 of the work machine 9 performs a desired operation by the operation of the operation mechanism 45. The interlocking rope 47 has an operating mechanism 45 and an operating mechanism 21.
It is provided between the two and communicates the operation of both mechanisms. The interlocking rope 47 is composed of a main unit side interlocking rope 49 and a working machine side interlocking rope 50, which are connected and separated according to the attachment and detachment of the working machine 9. The holding member 55 that holds the outer wire 52 of the machine-side interlocking rope 49 is fixed, and the inner wire 51 projects from the holding member 55. The holding member 56 that holds the connection end of the working machine side interlocking rope 50 is held by the holding lever 63 in a state where the inner wire 53 is projected.
The holding member 56 is attached to the holding lever 63 at a position where the holding lever 63 is closest to the holding member 55, and first, the inner wire 51 and the inner wire 53 are connected. In this state, interlocking rope
47 is loose and easy to connect. Then hold lever 63
When the holding member 55 is swung in the distant direction, the outer wire
54 is pushed back, the inner wires 51, 53 are tensioned, and the interlocking rope 4
7 is set.

<Embodiment> An embodiment of the present invention will be described in detail below with reference to the drawings.
FIG. 2 shows an embodiment of the present invention and is an overall side view showing a connecting portion of a rice transplanter to which a working machine 9 is detachably attached. A driver's seat 3 is provided on the main unit 1 that pulls the work implement 9, and an elevating link 6 including an upper link 4 and a pair of lower links 5 is attached to the rear of the driver's seat 3 so as to be vertically swingable. Further, a working machine 9 is provided at the rear end of the lifting link 6.
A main unit side connecting portion 7 for connecting the above is provided.

The working machine 9 connected to the machine 1 includes a drive case 13 that receives power from the machine 1 via a drive shaft 11, a seedling table 15 that is tilted above and placed, and a float 17. The stand members 19 are attached to the left and right ends. On the upper side of the stand member 19, an operating mechanism 21 for performing marking work at the time of planting work is provided. The operating mechanism 21 is composed of a marker rod 23 that swings outward and a marker 25 attached to the tip thereof.

On the front side of the work machine 9, a work machine connecting portion 27 connected to the main body side connecting portion 7 is provided.

The machine side connecting portion 7 and the working machine connecting portion 27 will be briefly described below. The machine side connecting portion 7 is an upper locking portion 31, a lower contact portion 33 formed on a link holder 29 provided between the upper link 4 and the lower link 5, and a hook attached to a side surface of the link holder 29. And the engagement body 35 in the shape of a circle. On the other hand, the work implement connecting portion 27 is composed of a hitch bracket 37 and a gate-shaped hitch 39 fixed to the upper side of the hitch bracket 37 via a lower lock receiving pin 41, and an upper lock receiving pin 43 is provided above the hitch 39. The hitch bracket 37 has a contact receiving surface 37 formed horizontally. A U-shaped spring hook 40 is fixed to the upper part of the hitch 39, and the spring hook 40 and the seedling stand 15
A rolling spring is stretched between the seedling mounts 15
Is kept horizontal.

When the work implement 9 is attached, the link holder 29 is lifted from below the hitch 39 while the lift link 6 is lowered. When the link holder 29 is lifted, the upper locking portion 31 scoops and locks the hitch 39 from the lower side.
Lifts the working machine 9 and contacts the contact part 33
37 is abutted, and the engagement body 35 is hooked on the lower lock receiving pin 41, so that the working machine connecting section 27 is fixed to the machine side connecting section 7 and the connection of the working machine 9 is completed.

The operating mechanism 21 of the work machine 9 operates according to the operation of the operating mechanism 45 of the machine 1, and the operating operation of the operating mechanism 45 is performed by the interlocking rope 47 provided between the operating mechanism 21 and the operating mechanism 45. Be contacted. Since the working machine 9 is detachable from the machine 1, the interlocking rope 47 is divided into a main machine side interlocking rope 49 and a working machine side interlocking rope 50, and the connecting mechanism 48 separates and connects them.

The connection mechanism 48 will be described below with reference to FIGS. 1 and 3. The interlocking ropes 49, 50 on the machine side and the working machine side are composed of inner wires 51, 53 and outer wires 52, 54. Then, the connecting ends of the outer wires 52, 54 have a holding member 55,
Held by 56.

The inner wire 51 of the machine side interlocking rope 49 is a holding portion of the holding member 55.
Holds at 58. In the structure of the present embodiment, a pair of left and right interlocking ropes 47 are provided to operate the actuating mechanism 21 provided on the left and right of the working machine 9, and the holding members 55 and 56 each include two interlocking ropes 47. Is held. The main body 1 of the holding member 55 has a holding portion 58 that is bent upward, and the holding portion 58 is formed with a slit 59 in the vertical direction and a holding hole 60 formed at the lower end of the slit 59. .

When fixing the machine-side interlocking cord 49, insert the slit 59 from above.
The machine-side interlocking rope 49 is fitted into the holding portion 58 through and is fixed by tightening from both sides with a mounting member 79 made of a nut.

The base portion of the holding member 55 is a mounting portion 57 that is mounted on the upper link 4, and support portions 61 that support the holding lever 63 are provided upright on both sides of the mounting portion 57, and support holes 61a are formed. . The holding lever 63 has a U shape having a pair of swing arms 64, and fulcrum pins 65 are fixed to one side surface of each swing arm 64 so as to project in the same direction. Holding lever
63 overlaps with the support portion 61 of the holding member 55 in the same direction, and the fulcrum pin 65 is inserted into the support hole 61a. Support hole 61a
A ring is fitted into the fulcrum pin 65 protruding from the fulcrum pin 65 to prevent the fulcrum pin 65 from coming off. In this way, the holding lever 63
Since they can be attached to the support portion 61 in the same direction, the holding lever 63 can be attached very easily and quickly.

A contact side 67 is formed on the opposite side of the fulcrum pin 65 of the holding lever 63, and abuts in a disciplined manner on a restriction pin 66 protruding to one side of the holding member 55. Furthermore, the retaining pin 63 has a restriction pin 66.
Pin 68 protrudes on the same side as the protruding side of
A fulcrum crossing spring 69 is stretched between 68.

As shown in FIG. 3, the holding lever 63 is formed in a V shape when viewed from the side, a notch-shaped engaging portion 70 is formed in a bent portion of each swing arm 64 facing each other, and a bottom portion is arc-shaped. Is doing. A holding member 56 for holding the working machine side interlocking rope 50 is fitted between the swing arms 64, and is rotatably supported by the engaging portion 70.

On the other hand, as shown in FIGS. 4 and 5, contact surfaces 72 for receiving the collapsed holding lever 63 are formed on the opposite side of the support portion 61 with respect to the holding portion 58, and the working machine 9 side end portion thereof is formed. Is a convex part
71 are formed respectively. The abutment surface 72 is formed in an arc shape, and the radius of curvature of the abutment surface 72 on the left and right differs,
The left contact surface 72b has a larger diameter than the right contact surface 72a.

Holding member 56 held between swinging arms 64 of holding lever 63
As shown in FIGS. 7 and 8, each has a box-like shape composed of an upper surface, a front surface, and left and right side surfaces. The slit 75 and the holding hole 74 are formed to fix and hold the outer wire 54 connection end of the working machine side interlocking rope 50 via the mounting member 79. Engaging pins 77 and 78 project from the left and right side surfaces 76 of the holding member 56. The engagement pin 78 is composed of a large diameter portion 78a at the base end and a small diameter portion 78b at the tip end. The diameter of the engagement pin 77 on the opposite side of the small diameter portion 78b is the same as that of the engagement portion 70 of the holding lever 63, and is supported in the engagement portion 70.

Since the engagement pin 78 has a stepped portion formed by the large diameter portion 78a, the tip of the large diameter portion 78a and the side surface on the opposite side are in sliding contact with the inside of the swing arm 64, and the holding member 56 moves laterally. Regulate.

A cylindrical engaging member 81 is attached at a right angle to the tips of the inner wires 51, 53. Then, the inner wires 51, 53 on the machine side and the working machine side 49, 50 are connected by a connecting tool 83. Inner wires 51 and 53 are connected to each other from the opposite side 83
Is locked and connected.

As shown in FIGS. 1, 3, and 6, a mounting fixing portion 85 bent at a right angle is fixed to the lower side of the mounting portion 57 of the holding member 55 by welding or the like. The attachment fixing part 85 is placed in contact with the upper surface and the side surface of the upper link 4, and the attachment fixing part 85
Similarly, a fixture 87 bent at a right angle is attached, and the upper link 4 is clamped in a sandwiched manner. With such a configuration, it can be attached to an off-the-shelf body, which provides versatility and facilitates detachable maintenance at the time of repair and repair. Further, the holding member 55 may be directly welded to the upper link 4.

The pair of left and right interlocking ropes 47 described above are each connected to the operating mechanism 21 provided on the left and right of the work machine 9, and in conjunction with the operation of the operating mechanism 45, the left and right interlocking ropes 47 are independently left and right. The operation mechanism 21 is informed of the operation of the operation mechanism 45, and in the structure of the present embodiment, the operation of the marker 25 is operated.

The operation of the structure of this embodiment configured as above will be described. As described above, after connecting the working machine 9 to the machine 1, it is necessary to connect the machine side interlocking rope 49 and the work machine side interlocking rope 50 in order to communicate the operation of the operation mechanism 45 to the operation mechanism 21. is there. As shown in FIG. 3, the pair of left and right unit-side interlocking ropes 49 are fixed to the holding member 55 in advance.
A connection tool 83 is attached to each tip of 51. As shown in the imaginary line in FIG. 3, when the holding lever 63 is pulled upward, when the spring 69 crosses the fulcrum pin 65, the holding lever 63 is urged forward, and the holding lever 63 is restricted by the contact side 67. It abuts the pin 66 and is fixed in a standing state. Here, the holding member 56 to which the working machine side interlocking rope 50 is fixed is inserted between the swing arms 64 of the holding lever 63, and the engagement pins 77 and 78 are fitted into the engagement portion 70. In this state, the inner wire 53 is connected to the connector 83.

Next, when the holding lever 63 is tilted, the holding member 56 pushes back the connecting end portion of the outer wire 54 toward the working machine 9 side against the force from the outer wire 54, and falls down, and the engaging pins 77, 78 of the holding member 55. Contact the contact surface 72. Where the spring 69
Urges the holding member 56 in a direction to press it against the contact surface 72. As shown in FIG. 5, the abutment surface 72a abuts the engagement pin 77, and the abutment surface 72b abuts the large diameter portion 78a of the engagement pin 78.
The radius of curvature of the contact surface 72a is the same as the diameter of the engagement pin 77,
The radius of curvature of the contact surface 72b is the same as the radius of the large diameter portion 78a of the engagement pin 78. Therefore, the holding member 56 is fixed by the engaging portion 70 of the holding lever 63 and the abutting surface 72 of the holding member 55 without rattling, and the pair of left and right inner wires 51, 53 are simultaneously set in a tensioned state, as shown in FIG. The state shown in FIGS. 3 and 9 is obtained.

As described above, according to the structure of the present invention, the holding members 55 and 56 can easily set the machine-side interlocking rope 49 and the working-machine-side interlocking rope 50 with one touch. Further, since the connecting end of the outer wire 54 can be attached to the holding member 56 in a state where the working machine side interlocking rope 50 is loose, the outer wire 54
Can also be very easily fixed.

To disconnect the connection, reverse the above procedure.

When the connection between the machine-side interlocking rope 49 and the working-side interlocking rope 50 is released, the connecting end of the working-machine-side interlocking rope 50 is bundled by the holding member 56, so that it is easy to handle. Furthermore, the holding member 55, 56 is used to connect to each part of the machine-side interlocking cable 49.
Since the connection position of the working machine side interlocking rope 50 is predetermined,
Trouble such as malfunction caused by connection error of the interlocking rope is reduced. Further, when the working machine 9 is removed, as shown in FIG. 2, by hooking the holding member 56 on the upper end of the spring hook 40, the working machine side interlocking rope 50
Can be easily stored.

In addition to the present embodiment, the structure of the present invention can be used for connecting interlocking ropes in the work of other seeders and tractors.

<Effect of the Invention> According to the structure of the present invention configured as described above, when the interlocking rope is set, the inner wire is connected with the interlocking rope loosened, and the holding lever is swung in the far direction. There is an advantage that the interlocking rope can be set easily and with a simple operation against the load from the outer wire.

Further, when there are a plurality of interlocking ropes, there is an advantage that the interlocking ropes can be set at the same time and the connection members are pre-positioned so that there are few mistakes in connection.

Since the interlocking ropes are bundled by the connecting member, there is an effect that the working machine side interlocking rope can be easily handled when the working machine is removed.

[Brief description of drawings]

FIG. 1 is a plan view of a connecting mechanism showing a main part of the present invention, FIG. 2 is an overall side view showing a connecting part of a rice transplanter to which a working machine is detachably attached, and FIG. 3 is a main part of the present invention. FIG. 4 is a side view showing the supporting portion and abutment surface of the holding member of the machine, FIG. 5 is a plan view of the same, FIG. 6 is a front view of the holding member of the machine, and FIG. Front view of machine side holding member, No. 8
The figure shows the noodles of the working machine side holding member with the working machine side interlocking rope attached, and Fig. 9 shows the entire rice transplanter with the working machine connected and the main machine side interlocking rope and the working machine side interlocking rope connected. It is a side view. 1: Machine, 9: Working machine 21: Actuating mechanism, 45: Operating mechanism 47: Interlocking rope, 49: Machine side interlocking rope 50: Working machine side interlocking rope, 51: Inner wire 52: Outer wire, 53: Inner wire 54: Outer wire, 55: Holding member 56: Holding member, 63: Holding lever

Claims (1)

[Scope of utility model registration request] 1. A mechanism in which a working machine (9) is removably attached to the machine (1), and between the working machine side operating mechanism (21) and the machine side operating mechanism (45). Both mechanisms (2
The interlocking rope (47) for communicating the operation of 1) and (45) is provided.
The interlocking rope (47) is composed of a main unit side interlocking rope (49) composed of inner wires (51) and (53) and outer wires (52) and (54) and a working machine side interlocking rope (50). Interlocking rope (49),
Holding members (55) and (56) for simultaneously holding one or a plurality of interlocking ropes (49) and (50) are attached to the ends of the outer wires (52) and (54) of (50) on the connection side, and one of them is attached. Holding member (5
5) is fixed, and the other holding member (56) is detachably held in the vicinity of the one holding member (55) while being swingable in the perspective direction with respect to the one holding member (55). A holding lever (63) is provided so that the inner wires (51) and (53) of the machine-side interlocking rope (49) and the working-machine-side interlocking rope (50) can be connected at a close position, and the interlocking rope (47) at the far position can be connected. The interlocking rope set structure in the work machine attachment / detachment structure in the set state.