JPH0741303Y2 - Rice planter missing stock alarm system - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention uses a safety cover that covers the planting device to improve the safety of the planting work, and can alert the rice planter that it is out of stock. Regarding the device.

[Prior art]

A rice planting machine that enhances the safety of planting work by providing a safety cover that covers the planting device and also uses the upper edge of this safety cover as a seedling locking device that locks the seedlings of pine seedlings. For example, Japanese Utility Model Publication No. 54-5687 is known.

[Problems to be solved by the invention]

By the way, the planted seedlings planted by the planting device of the rice transplanter are affected by the seeding state of the pine seedlings, the root-entangled state, and the like, resulting in a stockout. However, in both the walking type and the riding type, since the operator needs to steer the machine while looking forward, the occurrence of the stock stall cannot be immediately grasped, and the adjustment of the scraping amount may be delayed, or Continuing stumps may occur due to other causes, but especially when a safety cover for covering the planting device is provided as in the above-mentioned publication, the safety cover can be improved even if the safety of the planting work can be improved. Since the scraping and planting condition by the planting device covered with can not be visually checked directly, there was a problem that it was not possible to directly deal with the occurrence of stockouts.

In view of the above-mentioned conventional circumstances, the present invention was devised to solve the problem, and a stock cover was created by using a safety cover that covers the planting device and improves the safety of planting work. The purpose of the present invention is to provide a rice-planting machine stock-out alarm device that can warn.

[Means for solving problems]

The present invention that achieves the above-mentioned object forms a passage opening through which a planted seedling passes as the aircraft progresses, in a safety cover that covers a planting device that is placed opposite to the lower part of a seedling mounting table that horizontally reciprocates laterally. A streak sensor for detecting the presence or absence of planted seedlings passing through the passage port is arranged at the left and right of the planted seedling passage port formed in the safety cover, and the stall sensor is linked to an alarm mechanism. It will be prosperous.

[Action]

Therefore, even in a rice transplanter in which a safety cover covers a planting device opposite to the lower part of the seedling mounting table that reciprocates laterally from side to side, the passage through which the planted seedlings are provided is provided in this safety cover. A stockout sensor that can detect stockouts can be provided.

When the stock stall sensor provided on this safety cover detects that there is no planted seedling that passes through the passage as the aircraft progresses, an alarm mechanism warns the stock stall condition, so the operator looks ahead. While steering the car, you can immediately understand the state of stockouts and deal with this.

In addition, the mounting position of the missing plant sensor is located on the left and right of the passage through which the planted seedlings pass, and the direction of detection by this missing plant sensor is the left and right lateral direction of the planted seedling passage. It is possible to detect the presence or absence of stockout at the position of the passage opening at the top, and it is possible to alert the operator of the occurrence of stockout at an early stage.

Furthermore, even if the planting line is curved due to topographical restrictions, the detection direction of the missing strain sensor is the direction that intersects the planted seedling row from the left and right lateral directions. Also, the presence or absence of planted seedlings can be detected as long as the seedlings pass through the passage opening.

In addition, when planting rice in an uneven paddy field, even if the aircraft pitches, the detection direction of the missing strain sensor is always the left and right lateral direction of the planting seedling passage opening, and it does not change with respect to the planting seedling row. Therefore, it is possible to maintain a certain detection standard without changing the detection standard of the presence or absence of planted seedlings.

〔Example〕

Hereinafter, the drawings showing the present invention as an embodiment will be described.

As shown in FIGS. 1 to 3, a planting portion 2 is pivotally coupled to the rear end of a parallel link mechanism (not shown) in which the front end is pivotally coupled to the rear of the passenger machine body 1. Is configured to be movable up and down while being held in parallel with the rice field by a hydraulic expansion / contraction mechanism provided between the parallel link mechanism and the passenger body 1, and is driven from the passenger body 1 side by a transmission mechanism (not shown). .

The passenger body 1 is equipped with an engine covered by a bonnet 3 on the front side of the body, and a front wheel 4 on the rear side of the bonnet 3.
A steering handlebar 5 for steering the vehicle is disposed, and a seat 6 is disposed behind the steering handlebar 5, and the passenger aircraft 1 has four wheels in which both front wheels 4 and rear wheels 7 are driven. It is configured in a drive format.

The planting section 2 is provided with a six-row seedling mounting base 9 that is inclined in a front-rear-low direction, and this seedling mounting base 9 is driven so as to be capable of reciprocating lateral movement laterally. At the lower part of the seedling mounting table 9, six-row planting devices 10 each having a planting rod 11 at the tip are respectively installed in pairs, and each planting device 10 is a rotary arm that rotates around a rotary shaft 12. 13
Two sets of the planting rods 11 and 11 are arranged on one side of each of the rotary type.

The respective planting claws 14 attached to the respective planting rods 11 are configured to move on the elliptical locus K shown in FIG. 3,
Six pine seedlings (not shown) are placed and supplied on the seedling placing table 9. A center float 15 and left and right side floats 16 that slide on the rice field are arranged below the planting section. Then, each of the pine seedlings is divided and sandwiched by one planting claw 14 into one seedling soil while being laterally moved integrally with the seedling mounting table 9, transferred to the paddy field and planted at the planting position.

The safety cover 20 that covers the planting device 10 for the above six rows is composed of a top plate 20a that covers the rear of the planting device 10 from the upper side that approaches the lower part of the seedling mounting table 9 and left and right side plates 20b that cover both sides. Being integrally configured, on the rear side of the top plate 20a, passage openings 21 for six rows through which the planted seedlings pass respectively as the aircraft progresses are opened, and both sides of each passage opening 21 are formed. One of the light-emitting diodes 22 on the one side and the phototransistor 23 on the other side are attached with a stock-out detection sensor 24, respectively. Further, above the passage ports 21 on both outer sides, the main light-emitting diode 25 on the one side is provided. A main stock-out detection sensor 27, which is paired with the main phototransistor 26 on the other side, is attached.

Further, both side plates 20b of the safety cover 20 are pivotally connected to the rear ends of the pair of left and right brackets 29 whose front ends are fixed to the body of the planting section 2 via a pair of left and right fulcrum shafts 30, respectively. Each of the brackets 29 extends rearward through the lower part of the seedling table 9 and is bent upward, and further, the both side plates are formed.
The safety covers 20 are held at positions where the stoppers 31 fixed to the respective 20b abut on the rear surface of the bracket 29, respectively, and the safety cover 20 covers the planting device 10. Then, the planting apparatus 10 can be inspected and maintained in the open state in which it moves upward to the position shown by the chain line in FIG.

A step plate 28 formed to have the same width as the safety cover 20 is fixed above the top plate 20a of the safety cover 20, and the step plate 28 having a high ground height when the passenger aircraft 1 approaches the ridges and seedlings are supplied. Workers on top can easily replenish seedlings.

The phototransistor 23 paired with the light emitting diode 22 and the main phototransistor 26 paired with the main light emitting diode 25 are connected to the electric circuit shown in FIG. 4, and 32 in FIG. 4 is a NAND. A gate, 33 is a NOR gate, 34 is an exclusive OR gate, 35 is a transistor, 36 is a relay, 37 is a diode, 38 is a main switch, 39 is a horn, and 40 is an indicator lamp.

When the main switch 38 is turned on and the planting section 2 is advanced together with the passenger aircraft 1, each phototransistor 23 and the main phototransistor 23 in the state where no seedling has been planted yet.
Since 26 is in an ON state and no current flows through the transistor 35, the alarm mechanism including the horn 39 or the display lamp 40 is in a stopped state. In the planting work state where the planting clutch lever 45 is operated to the “ON” position and all six seedlings are planted, the planted seedlings pass through the passage port 21 for each planting pitch, so each phototransistor 23 and main Since the phototransistor 26 is in the OFF state and the output of the exclusive OR gate 34 is at the low potential level, current does not flow in the transistor 35 and the alarm is stopped. However, any one of Article 6
When there is no planted seedling that passes through the passage 21 because the planted seedling of the row is out of stock, a current flows through the transistor 35 to activate the relay 36. As a result, the switch of the relay 36 is turned on, and the alarm mechanism composed of the horn 39 and the display lamp 40 is activated to warn the worker of the stock stall.

As described above, when the stock-out condition occurs in each of the articles, the stock-out condition is immediately warned, so that the worker can grasp the stock-out condition while operating in a posture looking forward. . This makes it possible to control the scraping amount (generally, to treat the scraping amount in large amounts) or to immediately deal with a continuous strain loss caused by another cause.

Next, the safety mechanism when the safety cover 20 shown in FIGS. 5 to 7 is opened will be described. That is, the above bracket
The switch 34 is provided in 29, and this switch 43
Is connected to the electric circuit shown in FIG. 7, the solenoid 44 is not energized when the safety cover 20 is in the closed position shown by the solid line, and the planting clutch lever 45 is turned on / off. The planting clutch 47 connected via the wire 45a can be intermittently operated by the operation of, but the safety cover 20 is used as the fulcrum shaft 30.
Move up to the open position indicated by the chain line with the fulcrum as the fulcrum, and the switch
Since 43 is turned on when the stopper 31 is separated, the solenoid 44 is excited and the display lamp 46 (or a horn) is turned on. At the same time, the planted clutch lever 45 is restricted to the "cut" position by the rod 44a protruding by the excited solenoid 44, so that the planted clutch lever 45 is "entered" when the safety cover 20 is open.
It is a safety mechanism that cannot be operated in position.

As a result, when the safety cover 20 is open, the driver cannot operate the planting clutch lever 45 to the “entered” position, and the planting device 10 is not accidentally rotated.

[Effect of device]

As described above, according to the present invention, even in the case of a rice transplanter in which a safety cover covers a planting device opposite to the lower part of a seedling table which moves laterally back and forth, the plant provided in this safety cover A stock-out sensor can be provided using the passage of the seedlings.

Moreover, when the stock stall sensor provided on this safety cover detects that there is no planted seedling that passes through the passage as the aircraft progresses, the alarm mechanism warns the stock stall occurrence. You can immediately grasp the occurrence state of stock loss while manipulating in the posture as you see, you can adjust the scraping amount, etc., or you can deal with continuous stock loss caused by other causes .

In addition, the mounting position of the missing plant sensor is located on the left and right of the passage through which the planted seedlings pass, and the direction of detection by this missing plant sensor is the left and right lateral direction of the planted seedling passage. It is possible to detect the presence or absence of stockout at the position of the passage opening at the top, and it is possible to alert the operator of the occurrence of stockout at an early stage.

Furthermore, even if the planting line is curved due to topographical restrictions, the detection direction of the missing strain sensor is the direction that intersects the planted seedling row from the left and right lateral directions. Also, the presence or absence of planted seedlings can be detected as long as the seedlings pass through the passage opening.

In addition, when planting rice in an uneven paddy field, even if the aircraft pitches, the detection direction of the missing strain sensor is always the left and right lateral direction of the planting seedling passage opening, and it does not change with respect to the planting seedling row. Therefore, it is possible to maintain a certain detection standard without changing the detection standard of the presence or absence of planted seedlings.

[Brief description of drawings]

The drawing shows one embodiment of the present invention. Fig. 1 is a plan view of the entire riding rice transplanter, Fig. 2 is a rear view of Fig. 1 taken along arrow A, Fig. 3 is a side view of essential parts, and Fig. 4 is Wiring diagram, FIG. 5 is an explanatory view of the operation of the planted clutch lever, FIG. 6 is a plan view of the planted clutch lever, and FIG. 7 is a wiring diagram. 9 ... Seedling table, 10 ... Planting device, 20 ... Safety cover, 21
...... Passage port, 22 ...... Light emitting diode, 23 ...... Phototransistor, 24 ...... Absent stock detection sensor, 25 ...... Main light emitting diode, 26 ...... Main phototransistor, 27 ...... Main stock absence detection sensor, 39 ... … Horn, 40… Indicator lamp.

Claims (1)

[Scope of utility model registration request] 1. A safety cover for covering a planting device, which is opposed to a lower part of a seedling mounting table that reciprocates laterally to the left and right, has a passage opening through which a planted seedling passes along with the progress of the machine body. A strain-absence sensor that detects the presence or absence of planted seedlings that pass through is disposed at the left and right of the planted-seedling passage formed in the safety cover, and the strain-loss sensor is connected to an alarm mechanism. Rice planter missing stock alarm device.