JPH0724012U - Grain squeezing and conveying device - Google Patents

Abstract

(57) [Abstract] [Purpose] A grain-culm sandwiching / conveying device applied to a grain-culm conveying unit that clamps the grain culm of the grain culm cut by the mowing unit and conveys it toward the threshing / sorting unit in a self-removing combine I will provide a. A grain-and-rice sandwiching and conveying device in which a guide rail facing the conveying chain is elastically movable with respect to the conveying chain via a supporting rod and a holding mechanism so that the supporting of the holding mechanism can be released. The above-mentioned elastic holding mechanism can be connected to and released from the holder with a screw, and the elastic holding mechanism is held between the elastic holding mechanism and the holder in the connected state and locked in the released state. A stopper that can be released is provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a grain culm sandwiching / conveying device applied to a grain culm transporting unit that clamps a grain culm planted by a harvesting unit in a self-removing combine and transports it toward a threshing / sorting unit.

[0002]

[Prior art]

 Conventionally, a guide rail facing the conveyor chain is conveyed via a supporting rod and an holding mechanism to a grain culm transporting unit that transports the grain culm cut by the mowing unit of the self-removing combine to the threshing / sorting unit. It is known that the chain is provided with a grain-and-rice sandwiching and conveying device that is elastically slidably supported with respect to the chain and that the support of the bullet holding mechanism can be released, and a screw is used as a means for releasing the support of the bullet holding mechanism. The existing ones are disclosed, for example, in Japanese Utility Model Laid-Open No. 56-43335 and Japanese Utility Model Laid-Open No. 5-39240.

[0003]

[Problems to be solved by the device]

 In the above-mentioned prior art, when releasing the support of the elastic holding mechanism, the screw is rotated while the elastic force of the elastic holding mechanism is still acting on the screw, so there is a risk of damaging and crushing the screw thread. there were. In addition, since the support is released and then restored while the elastic force of the bullet holding mechanism is acting, it is difficult to carry out such work. The present invention has been made to solve the above problems.

[0004]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention supports a guide rail facing a transport chain so as to be elastically movable with respect to the transport chain via a support rod and an elastic mechanism, and release the support of the elastic mechanism. In the grain-culm pinching / conveying device described above, the above-mentioned elastic holding mechanism can be connected to and released from the holder with a screw, and the locked state is maintained between the elastic holding mechanism and the holder when in the connected state. In addition, a stopper is provided so that the lock can be released when the connection is released.

[0005]

[Action]

 With the above-described structure, the grain-culm pinching and conveying device of the present invention rotates lightly because the stopper holds the bullet holding mechanism and the holder when loosening the screw to release the support of the bullet holding mechanism. It does not damage the threads. Also, when returning the elastic holding mechanism, the elastic holding mechanism is locked to the holder via the stopper and then the screw is tightened so that the screw threads are not damaged as in the case of loosening. Further, by engaging and disengaging the stopper with respect to the holder while the screw is loosened, it is possible to easily connect and disconnect.

[0006]

【Example】

 Hereinafter, one embodiment of the present invention will be described in detail with reference to the accompanying drawings. In FIG. 6, reference numeral 1 is a self-removing combine to which the grain-culling pinching and conveying device 10 (see FIGS. 5 and 1) of the present invention is applied. The self-removing combine 1 is a crawler-type traveling unit 2 on the machine body. , Harvesting unit 3, grain culm transporting unit 4 for transporting grain culms cut by the reaping unit 3 to the threshing / sorting unit 5, the control unit 6, the grain threshed / sorted by the threshing / sorting unit 5 into the tank It is equipped with a grain discharge part 7 for storing and discharging the grain stored in the tank to the outside of the machine. The grain culm sandwiching and conveying device 10 of the present invention is applied to the grain culm conveying unit 4.

As shown in FIGS. 5 and 1, the grain-culm sandwiching and conveying device 10 has a guide rail 12 made of pipe material facing a conveying chain 11 via a pair of support rods 13 and an elastic holding mechanism 14. As shown in FIGS. 2 and 3, the grain chains B are sandwiched with respect to the transport chain 11 so as to be elastically movably supported, and as shown in FIG. 4, the elastic holding mechanism 14 can be released. When a large amount of grain culms B are jammed between the transport chain 11 and the guide rails 12, the holding mechanism 14 enables the holder 15 to be connected and disconnected by the screw 16 with the grip, and A pair of stoppers 17 are provided between the holding mechanism 14 and the holder 15 so as to hold the locked state when the elastic holding mechanism 14 and the holder 15 are in the connected state and to release the locked state when the connection is released. .

The transfer chain 11 is wound endlessly between the drive sprocket 11a and the two driven sprockets 11b and 11c, and is tensioned by a tensioner 11e that receives a pressing force from a spring 11d. The guide rail 12 is pivotally attached to the tip ends of the support rods 13 and 13 via a support piece 12a, and the base end side of the support rod 13 is slidably supported to a holder 15 via an elastic holding mechanism 14. ing. The elastic holding mechanism 14 is composed of a spring 14a and a spring guide 14b, and the spring guide 14b and the holder 15 can be screwed and unscrewed with a gripping screw 16.

The holder 15 has a rectangular shape in a side view, one end thereof is fixed to the body side, and a bracket 18a fixed to the other end of a support frame 18 made of a pipe material bent in a U shape is greatly fixed. On the other hand, one side portion is fixed and supported by the fixing bolts 19, 19. A stopper 17 is fixed through the side surface of the holder 15 that faces the spring guide 14b. When the stopper engaging hole 14c formed in the spring guide 14b is engaged with the stopper 17, the elastic holding mechanism 14 is in a state of being connected to the holder 15, and the gripping screw 16 is attached to the spring 14a of the elastic holding mechanism 14. It can be tightened or loosened without receiving elastic force. Further, the elastic holding mechanism 14 can be easily removed from the stopper 17 with the screw 16 loosened (see FIG. 4).

In FIG. 5, reference numerals 20 and 21 are provided along the handling opening that is opened on one side of the handling room of the threshing / sorting unit 5 shown in FIG. It is a feed chain and a pinch rail that takes over the culm and clamps and transports the stock.

In the self-removing combine 1 of the embodiment configured as described above, the mowing unit 3 is operated while the crawler type traveling unit 2 is operated by the control unit 6 to travel in a harvested field of rice, wheat and the like. Then, the grain culm vegetated in the field is scraped, the root of the plant is cut and sent to the rear side, and the grain culm is sandwiched by the grain culm transporting unit 4 and transported toward the threshing / sorting unit 5. In the threshing / sorting unit 5, the grain culm root side is sandwiched and conveyed by the feed chain 20 and the sandwiching rail 21, and the tip side thereof is supplied to the handling room for threshing and sorted in the sorting room. The selected grains are stored in the tank, and the grains stored in the tank in a predetermined amount are discharged by the grain discharging unit 7 to the outside of the machine.

The grain culm conveying unit 4 is provided with a grain culm sandwiching and conveying device 10 according to the present invention. As shown in FIG. 2, the grain culm B sent from the reaping unit 3 is rotated in the arrow direction. It is carried by being sandwiched between a moving transport chain 11 and a guide rail 12. Even if the grain culm B sent from the reaping unit 3 has some amount, the guide rails 12 are elastically moved within the range of the elastic force of the elastic holding mechanism 14 via the support rods 13 and 13, and the grain culm is moved. Move B smoothly. However, as shown in FIG. 3, when a large amount of grain culm B is sent and the guide rail 12 exceeds its elastic movement limit, the grain culm B is clogged and cannot be sent.

In such a case, the self-removing combine 1 detects the state by a sensor, stops the traveling, and suspends the harvesting work. Then, first, the gripping screw 16 is rotated in a loosening direction to release the screw engagement between the spring guide 14b and the holder 15, and then the spring guide 14b is slightly moved to the right in FIG. The joint hole 14c is disengaged from the stopper 17, and the entire holding mechanism 14 moves upward as shown in FIG. 4, so that a gap H is opened between the guide rail 12 and the grain culm B in the jammed state. Then, the jammed grain culm B is dispersed or removed, and the holding mechanism 14 is restored. When returning the elastic holding mechanism 14, first, the stopper engaging hole 14c is engaged with the stopper 17, and then the gripping screw 16 is rotated in the tightening direction to screw the spring guide 14b and the holder 15 into each other. Fix it. Then, the harvesting work of the self-removing combine 1 is restarted.

When the gripping screw 16 is loosened to release the holding mechanism 14 from supporting the holder 15 as described above, the stopper 17 holds the holding state of the holding mechanism 14 and the holder 15. As it is, it can rotate lightly and does not damage the screw threads. Further, when the elastic holding mechanism 14 is returned, the elastic holding mechanism 14 is locked to the holder 15 via the stopper 17 and then the gripping screw 16 is tightened to damage the screw thread in the same manner as when loosening. There is no. Further, by engaging and disengaging the stopper 17 with respect to the holder 15 with the gripping screw 16 loosened, it is possible to easily connect and disconnect.

[0015]

[Effect of device]

 As described above, according to the grain stalk pinching / conveying device of the present invention, the holding mechanism of the guide rail facing the conveying chain can be connected to and released from the holder by a screw, and the holding mechanism Since a stopper was provided between the transfer chain and the guide rail, the stopper was held between the holder and the holder to keep the locked state when connected and to release the locked state when releasing the connection. When the screw is loosened to release the support of the elastic holding mechanism, the elastic holding mechanism and the holder are held in a locked state by the stopper, so that the elastic holding mechanism and the holder can be rotated lightly without damaging the threads. Also, when returning the elastic holding mechanism, by tightening the screw after locking the elastic holding mechanism through the stopper to the holder, the screw threads are not damaged as in the case of loosening. In addition, with the screw loosened, the elastic holding mechanism can be easily connected and disconnected by engaging and disengaging the stopper with respect to the holder.

[Brief description of drawings]

FIG. 1 is a sectional view taken along the line AA of FIG. 5, showing an embodiment of the grain-culm clamping and conveying device according to the present invention.

FIG. 2 is an operation explanatory view corresponding to FIG. 1 when a grain culm is transported.

FIG. 3 is an operation explanatory view showing a state in which a grain culm corresponding to FIG. 1 is clogged.

FIG. 4 is an operation explanatory view showing a state in which support of the elastic holding mechanism corresponding to FIG. 1 is released.

FIG. 5 is a plan view of a grain culvert clamping and conveying device according to the present invention.

FIG. 6 is a perspective view of an entire self-removing combine to which the grain-culling pinching and conveying device according to the present invention is applied.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Self-removing combine 4 Grain culm conveying part 10 Grain culling conveying device 11 Conveying chain 12 Guide rail 13 Support rod 14 Retention mechanism 14a Spring 14b Spring guide
14c Stopper engaging hole 15 Holder 16 Screw with grip 17 Stopper 18 Support frame 19 Fixing bolt B Grain stalk

Claims (1)

[Scope of utility model registration request] 1. A guide rail facing the transport chain,
In a grain-culm pinching and conveying device in which elastic support is provided to a transport chain via a supporting rod and an elastic holding mechanism, and the supporting of the elastic holding mechanism can be released, the elastic holding mechanism is screwed to a holder. In addition to being connectable and disconnectable, a grain stopper is provided between the elastic holding mechanism and the holder, which holds the locked state in the coupled state and can release the locked state in the coupled state. Clamping and conveying device.