JP3020375U - Safety device of discharge port in grain conveyor - Google Patents

Abstract

(57) [Abstract] [Purpose] In the grain transporter, the grain sensor S does not interfere with the outflow of the grain from the discharge port 33 of the discharge cylinder portion 32 on the tip side of the grain transfer cylinder 3 of the grain transport machine. Even if the operator carelessly inserts his / her hand through the discharge port 33 when the discharge of the grain from the discharge port 33 is interrupted while preventing the operation from being disturbed, no injury accident occurs. To do so. [Structure] In the grain transporter A, a discharge cylinder 32 thereof
A hakama-shaped cover portion 320 surrounding the discharge port 33 at the bottom of the
A safety shutter a.
Are arranged in a pair on the left and right, and are vertically rotatably supported on the support shafts 40, 40 in the front-rear direction, and are biased by the springs b, b so as to rotate upward, The end of the movement is regulated by the stoppers 41, 41 to a position where the lower end of the turning locus of the end portion of the grain feeding conveyor 30 in the discharge tube portion 32 is enclosed in a hopper shape, and the turning locus of the safety shutter a, a. A mounting machine frame 50 in which a grain sensor S is arranged below W
Support me.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is a combine harvester or other harvester that combines grain harvested in the field with a grain transporter that transports the grain harvested in the field to a grain house or a grain processing facility such as a rice center. Regarding the improvement of the safety device of the discharge port in the grain carrier used.

[0002]

[Prior art]

 As shown in FIG. 1, the above-described grain carrier A transports grains transported by a grain carrier B configured by mounting a grain hopper H on a loading platform t of a truck T to a work building. Further, when the grain is discharged into the grain dryer C installed in the grain processing facility, the grain discharged from the discharge port 10 of the grain hopper H of the grain carrier B is dried. It is used so as to be introduced into the grain loading hopper 20 of the machine C, and has a flexible grain feeding cylinder 3 for storing the grain feeding conveyor 30 and a grain hopper H on the proximal end side thereof. The connecting cylinder part 31 is provided so as to be detachably connected to the discharge port 10 of the above, and the discharging cylinder part 32 is installed at the tip end side of the grain feeding cylinder 3. The connecting cylinder part 31 and the discharging cylinder part. Reference numeral 32 denotes a bearing support hand for the rotating shafts on the start end side and the end end side of the grain transfer conveyor 30 stored in the grain transfer cylinder 3. The doubles, also on the lower surface of the discharge tube portion 32 is a discharge port 33 are opened.

When the grains discharged from the discharge port 33 and fed into the stake hopper 20 of the grain dryer C reach a predetermined level in the stake hopper 20, A grain sensor S is installed to detect that and stop the operation of the motor M that drives the grain feeding conveyor 30.

[0004]

[Problems to be solved by the device]

 The grain transporter A used in combination with the grain transport vehicle of the above-described form has a grain transporting conveyor 30 that is stored in the grain transporting barrel 3 of the grain transporting machine A. Since the grain feeding action is performed by driving by driving the motor M that is assembled to the discharge barrel portion 32 on the tip side, the grain barrel 3 from the discharge port 10 of the grain hopper H of the grain carrier B is moved. Even when the discharge of the grain to the base end side is stopped, the grain transfer conveyor 30 in the grain transfer tube 3 continues to rotate. Then, the number of grains to be fed into the hopper 20 of the grain dryer C from the discharge port 33 on the tip side of the grain feeding cylinder 3 reaches a predetermined amount, and the level of the grains in the hopper 20 of the grain is reached. As a result of rising, the grain sensor S, which is arranged below the discharge port 33 and is attached to and supported by the discharge cylinder 32, comes into contact with the grain in the extension hopper 20 to perform detection operation. The rotation of the grain transfer conveyor 30 is stopped when the operation of the motor M is stopped.

Therefore, when the discharge of the grain from the discharge port 33 of the discharge cylinder portion 32, which is positioned so as to be inserted into the tension hopper 20, is stopped, the operator inserts his / her hand through the discharge port 33. In some cases, it may be attempted to confirm whether or not the grain is clogged in the discharge tube portion 32, and at that time, a hand comes into contact with the rotating grain transfer conveyor 30 and an accident may occur. There's a problem.

From this, when a protective frame for preventing the operator's hand from inserting is attached to the lower surface side of the discharge tube portion 32 where the discharge port 33 is open, the discharge of grains from the discharge port 33 is prevented. Not only will it interfere, but the operation of the grain sensor S will be disturbed and the operation of this grain sensor S will be disturbed, so that the grains put into the stake hopper 20 will be removed from the stake hopper 20. The problem arises that it will overflow to the outside.

The present invention has been made in order to solve these problems occurring in the conventional means, and the outflow of the grain from the discharge port 33 of the discharge cylinder portion 32 on the tip side of the grain transfer cylinder 3. When the discharge of the grain from the discharge port 33 is interrupted, the operator carelessly operates the discharge port 33 from the discharge port 33 while preventing the operation of the grain sensor S from being disturbed. The purpose is to provide a new means to prevent injury accidents even when plugging in.

[0008]

[Means for Solving the Problems]

 In the present invention, as a means for achieving the above-mentioned object, a grain transfer conveyor is housed in a flexible grain transfer cylinder, and the grain of a grain carrier is provided on the proximal end side of the grain transfer cylinder. A connecting cylinder part that can be detachably connected to the discharge port of the hopper is provided, and a discharge cylinder part that can be inserted into the expansion hopper of the grain dryer is provided on the tip side, and the discharge port is opened on the bottom side of it. In a grain transporter with a grain sensor installed below it, a hakama-shaped cover that encloses the circumference of the discharge port is provided below the discharge cylinder, and the cover is placed on the left and right inside of the cover. , A pair of safety shutters that enclose the discharge port from the left and right in a palm shape are arranged on the left and right, and are pivotally supported up and down on a support shaft in the front-rear direction, and they are rotated upward by a spring. The end of the upward rotation with a stopper The lower part of the turning locus of the end part of the grain feeding conveyor is regulated to a state of enclosing it like a hopper, and the grain sensor is placed below the turning locus of this safety shutter to support it on the mounting machine frame. It proposes a safety device for the discharge port of the characteristic grain conveyor.

[0009]

[Action]

 In the means of the present invention configured as described above, the grains discharged from the discharge port 10 of the grain hopper H are conveyed by the grain transfer conveyor 30 in the grain transfer cylinder 3 and discharged from the discharge port 33 of the discharge cylinder part 32. When discharging into the stake hopper 20, the left and right sides of the lower surface of the discharge port 33 of the discharge tube portion 32 are closed in a palm-like shape in a posture inclining downward from the left and right to close the discharge port 33. The safety shutters a and a rotate toward the left and right due to the weight of the grain discharged from the discharge port 33, and the lower part of the discharge port 33 is opened, so that the grain can be discharged without trouble. Become.

In addition, the left and right safety shutters a and a which rotate and open are stored in a position along the inner surface of the cover portion 320 that hangs in a hakama shape on the bottom side of the discharge tube portion 32. The operation of inserting the discharge cylinder portion 32 into the squeeze hopper 20 in order to ensure that the grain is put into the squeeze hopper 20 from the discharge port 33 of the discharge cylinder portion 32 is also hindered. Will not give.

When the discharge of the grain from the discharge port 33 is stopped due to interruption of the discharge of the grain from the grain hopper H side, the pair of safety shutters a and a are closed by the springs b. By closing the lower surface side of the discharge port 33, it is possible to prevent an accident due to accidental insertion of a hand.

In the safety shutter a, a, the grain sensor S is supported by a mounting machine frame 50 projecting downward from the discharge cylinder portion 32, and the rotation locus of the safety shutter a which is opened and closed is rotated. By being located below, the detection operation of the grain sensor S will not be hindered.

[0013]

【Example】

 Next, embodiments will be described in detail with reference to the drawings. The same reference numerals are used for the constituent members having the same effects as those of the conventional means.

FIG. 3 is a partially cutaway side view of an essential part of a grain transporter A according to the present invention, and FIG. 4 is a longitudinal front view of the essential part of the same, in which FIG. Reference numeral 32 is a discharge cylinder portion on the front end side of the grain feeding cylinder 3, 33 is a discharge opening opened on the lower surface side of the discharge cylinder portion 32, and a and a are such that the discharge opening 33 can be opened and closed from below. A safety shutter provided on the discharge tube portion 32, and S denotes a grain sensor which is arranged below the discharge port 33 and supported by the discharge tube portion 32.

The grain transporter A stores a flexible grain transporting conveyor 30 in the inner cavity of the flexible grain transporting barrel 3, and the grain transporting machine 30 has a grain transporting container 30 on the proximal end side thereof. The grain transporter B is provided with a connecting cylinder portion 31 that is detachably connected to the discharge port 10 of the grain hopper H, and is inserted into the extension hopper 20 of the grain dryer C at the tip side. It is the same as the conventional grain transporter A in that it is configured with the possible discharge cylinder portion 32.

Thus, as shown in FIGS. 3 and 4, the discharge cylinder portion 32 on the tip end side of the grain feeding cylinder 3 is formed in a semi-cylindrical shape with the lower part open, and the bottom thereof has a hakama. The discharge port 33 is formed in the upper part of the inner cavity of the hakama-shaped cover part 320 so as to open downward.

Further, the left and right safety shutters a and a for closing the discharge port 33 openably and closably are arranged in the inner cavity of the cover part 320 so as to face each other in a pair, and the cover part The upper ends of the support shafts 40, 40, which are provided at positions closer to the upper side of the inner surfaces of the left and right side walls of the 320, are pivotally supported by the support shafts 40, 40, respectively. It is adapted to rotate up and down around the shaft 40. The left and right safety shutters a, a are biased by a coil spring b so as to rotate upward, and the upward rotation caused by the coil spring b causes the shafts 40, 40 to rotate. The stopper 41, which is arranged upward and mounted on the inner surface of the cover portion 320, takes a posture of descending and tilting toward the rotation end, and rotates inside the discharge cylinder portion 32 as shown in FIG. The lower side of the rotation path of the grain transfer conveyor 30 is regulated to rotate from the left and right to the state position where it encloses, whereby the left and right safety shutters a and a are normally closed in a palm shape. When the grains are discharged from the discharge port 33 by closing the discharge port 33 from below, the left and right safety shutters a and a are rotated downward by the weight of the grain and the discharge port 33 is opened. As shown in the figure, the state in which the discharge from the discharge port 33 of the grain is allowed Are to so that.

The grain sensor S is provided with a mounting machine frame 50 that hangs downward on the outer surface of the machine wall on the rear surface side of the hakama-shaped cover portion 320 of the discharge cylinder portion 32, and on the front surface side thereof. It is installed at a position that protrudes obliquely forward and upward below the discharge port 33 via the mounting base 51, and as shown in FIG. 5, the position of the left and right safety shutters a and a is set. It is arranged so as to be located below the rotation locus W of the moving end.

As shown in FIG. 5, at the end of the grain transfer conveyor for storing the grain in the grain transporting cylinder 3 of the grain transporter A, the portion located in the discharge tubular portion 32 is, as shown in FIG. In some cases, the spiral wing 301 is wound around the surface and the jumping wing plate 302 is provided.

[0020]

[Effect of device]

 As described above, the discharge port safety device in the grain conveyor according to the present invention conveys the grains discharged from the discharge port 10 of the grain hopper H by the grain transfer conveyor 30 in the grain transfer cylinder 3. When the gas is being discharged from the discharge port 33 of the discharge cylinder portion 32 into the tension hopper 20, the lower surface side of the discharge port 33 of the discharge cylinder portion 32 is closed in a palm shape in a posture in which it is inclined downward from the left and right sides. The left and right safety shutters a and a that close the discharge port 33 rotate toward the left and right outside with the weight of the grain discharged from the discharge port 33, and the lower part of the discharge port 33 is opened. , Discharge grain without any problem.

As described above, the left and right safety shutters a and a which are opened and rotated by the discharge of the grains extend along the inner surface of the skirt-shaped cover portion 320 on the bottom side of the discharge cylinder portion 32 by the opened and rotated. The discharge cylinder portion 32 is stored in the position, so that the discharge cylinder portion 32 is put into the tension hopper 20 from the discharge port 33 of the discharge cylinder portion 32 in order to ensure the feeding of the grain. It does not hinder the operation of inserting it inside.

When the discharge of the grain from the discharge port 33 is stopped because the discharge of the grain from the grain hopper H side is interrupted, the pair of safety shutters a and a are closed by the springs b. By closing the lower surface side of the discharge port 33 with a hand, it is possible to reliably prevent an injury accident when a hand is carelessly inserted.

Moreover, in the safety shutter a, the grain sensor S is supported by the mounting machine frame 50 projecting downward from the discharge cylinder portion 32, and is positioned below the rotation trajectory of the safety shutter a. Therefore, the detection operation of the grain sensor S is not hindered.

[Brief description of drawings]

FIG. 1 is a perspective view of a usage state of a grain conveyor.

FIG. 2 is a partially cutaway side view of a discharge cylinder of the same grain transporter.

FIG. 3 is a partially cutaway side view of a main part of a grain conveyor according to the present invention.

FIG. 4 is a vertical sectional front view of a main part of the same grain conveyor.

FIG. 5 is a partially cutaway side view of an essential part of another embodiment of the same grain carrier.

FIG. 6 is an operation explanatory view of a main part of the same grain conveyor.

[Explanation of symbols]

A ... Grain carrier, B ... Grain carrier, C ... Grain dryer, H
... grain hopper, T ... truck, t ... loading platform, M ... motor, S ... grain sensor, W ... rotation locus, a ... safety shutter, b ... spring, 10 ... discharge port, 20 ... tension hopper, 3
… Grain transfer cylinder, 30… Grain transfer conveyor, 300… Rotating shaft, 30
DESCRIPTION OF SYMBOLS 1 ... Spiral blade, 302 ... Jump blade, 31 ... Connection cylinder part, 32
... Discharge cylinder part, 320 ... Cover part, 33 ... Discharge port, 34 ...
Supporting machine frame, 40 ... Support shaft, 41 ... Stopper, 50 ... Mounting machine frame, 51 ... Mounting base.

Claims (1)

[Scope of utility model registration request] 1. A grain transfer conveyor 30 is housed in a flexible grain transfer tube 3 and is attached to and detached from a discharge port 10 of a grain hopper H of a grain carrier B on the base end side of the grain transfer tube 3. A connecting cylinder portion 31 that is freely connected is provided, a discharge cylinder portion 32 that can be inserted into the expansion hopper 20 of the grain dryer C is provided at the tip end side, and a discharge port 33 is opened at the lower surface side thereof, In the grain transporter A having the grain sensor S disposed below, a hakama-shaped cover portion 320 surrounding the discharge port 33 is provided at the lower portion of the discharge cylinder portion 32 thereof, and the left and right sides of the cover portion 320 are provided. A pair of safety shutters a and a that enclose the lower portion of the discharge port 33 in a palm shape from the left and right are arranged inside of the left and right sides of the support shaft 4 in the front-back direction.
It is rotatably pivoted up and down on 0.40 and springs b.
While being urged to rotate upward by b, the end of the upward rotation is surrounded by the stoppers 41 and 41 in a hopper shape below the rotation locus of the terminal end portion of the grain transfer conveyor 30 in the discharge tube portion 32. The safety of the discharge port in the grain transporter is characterized in that the grain sensor S is restricted to the state position, and the grain sensor S is arranged below the rotation trajectory W of the safety shutter a to be supported by the mounting machine frame 50. apparatus.