JPH032506Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field This invention relates to a grain discharge and conveyance device for a tank, which is constructed so that contents such as grains stored in the tank can be taken out by a conveyance device that is detachably attached to the tank. It is.

Prior Art There are grain discharge and conveyance devices for this type of tank, such as those described in Japanese Utility Model Application No. 60-45238, but in these technologies, the conveyance device is simply placed below the outlet of the tank, which is opened and closed by a shutter. This is a removable device.

Problems to be Solved by the Invention This invention relates to the above-mentioned tank grain discharge conveyance device, and when the conveyance device is attached to the tank,
It can be fixed by operating a fixing lever without using bolts or other means, and can be easily attached and detached.
The fixing lever is configured so that it will not be activated unexpectedly during work, and the shutter will not be opened if the transport device is forgotten to be fixed, thereby making the work more efficient and reliable.

Means for Solving the Problems: A conveying device 8 for taking out and conveying the contents is removably provided at the outlet 5 of the tank 1, which can be opened and closed by the shutter 4, and a locking mechanism is used to fix the conveying device 8 to the tank 1. In order to restrict the opening operation of the shutter 4 when the operating lever 42 of the body 40 is in the unlocked position, the operating range of the operating lever 42 and the operating range of the shutter 4 are made to intersect, so that the grain discharging and conveying device for the tank is constructed.

Effect of the invention When attaching the conveying device 8 to the tank 1, the operating lever 42 can be rotated to the fixed position with the shutter 4 in the closed state. It is fixed to the tank 1 by the locking body 40. Next, the shutter 4 is operated to open the discharge port 5 and the grains to be discharged from the discharge port 5 are conveyed by the conveying device 8, but the rotation of the operating lever 42 is restricted by the release of the shutter 4. Therefore, there is no risk of the transport device 8 falling off due to accidental operation of the operating lever 42. When the discharge and conveyance of the grains is completed, the operating range of the operating lever 42 is released by closing the shutter 4, and the conveying device 8 is removed by rotating the operating lever 42 to release the locking of the locking body 40.

Effects of the invention This invention has been developed by attaching the conveying device 8 to the tank 1 as described above and discharging and conveying the grains. The shutter 4 is configured to be openable by rotation, which prevents forgetting to lock the conveying device 8.Furthermore, when the grain is being discharged and conveyed, the shutter 4 can be used to open the operation lever 42. There is no risk of the transport device 8 falling off due to accidental operation of the operating lever 42.

Embodiment In the illustrated example, the discharge conveyor 2 is arranged on the inclined wall 13 of the tank 1, and both side walls 14,
A shaft 15 is installed at 14, and a holding cylinder 16, 16 is installed at the end of 15.
It is constructed by a flexible screw conveyor whose both ends are fixed inside the holding tubes 16, 16. Further, a discharge port 5 is opened in the bottom wall 3 on the terminal end side of the discharge conveyor 2, and a shutter 4 that can open and close the discharge port 5 is provided.

Below the discharge port 5, a pair of receiving troughs 6 are partitioned into left and right sides by a central chevron-shaped partition guide plate 17.
6 is provided, and receiving portions 9, 9 of two flexible screw conveyors 8, 8 are configured to be insertable into the pair of left and right receiving troughs 6, 6.

The flexible screw conveyor 8 is composed of a continuous coil spring-like transfer rod 19 and a flexible tube 20 that houses the transfer rod 19, and has the grain receiving section 9 on one end side. A grain outlet and a prime mover (not shown) are provided on the end side.

The receiving part 9 includes a drive shaft 10 fixed to a holding cylinder 23 that holds and secures one end of the transfer rod 19, a bearing 25 that pivotally supports the drive shaft 10, and a support cylinder 26 that attaches the bearing 25 and the tube 20. It is composed of several connecting rods 27, 27, etc. that connect between the two. The support cylinder 26 is held in the fitting hole 30 of the side wall 14 of the tank 1, and
The transmission shaft 12 and the bearing 25 are connected to the following transmission attachment/detachment means 28
It is connected and held by.

This transmission attachment/detachment means 28 consists of a metal 29 held by a frame 24 and a transmission shaft 12 rotatably installed between the metal 29 and the side wall 14, and is received by a tapered guide portion 31 on one side of the metal 29. The bearing 25 of the section 9 is fitted and held, and the square shaft portion at the tip of the drive shaft 10 is fitted into a square hole of a connecting pipe 32 fixed to the tip of the transmission shaft 12 so that transmission and attachment are possible.

Further, the transmission shaft 12 is divided in the middle, a pipe 33 is fixed to the shaft end on the base end side, and the transmission shaft 12 on the distal end side which is divided is inserted into the other end of the pipe 33 by sleeve fitting. Spring 3 inside pipe 33
4 is interposed so that the transmission shaft 12 on the distal end side can move forward and backward. 35 is an insertion guide rod of the receiving portion 9.

In addition, two flexible screw conveyors 8, 8
On one side, the bearing 25 is held in the frame 24 without providing the transmission coupling means 28.

36 is a pulley provided at the end of the transmission shaft 12, and 37
A pulley is provided at the end of the shaft 15 of the discharge conveyor 2, and is configured to be transmittable by a belt 38, and constitutes the transmission device 11.

The flexible screw conveyors 8, 8 are configured so that the support cylinder 26 is fitted and held in the fitting hole 30 of the side wall 14, and the flange portion 39 of the support cylinder 26 is fixed by a locking body 40. be. That is, the locking body 40 is rotatably supported at the center by a shaft 41, and is configured to be rotatably operated by an operating lever 42. A spring 43 presses the locking body 40.

The operating lever 42 of the locking body 40 is located in front of the shutter 4 in the unlocked position, and is set to the side of the shutter 4, that is, out of the operating range of the shutter 4 in the locked position.

44 is a prismatic reinforcing frame, 45 is this reinforcing frame 4
It is a handle that is inserted on both sides into the 4 and 44 ends, and is configured to cover the front and rear of the tank 1, and also serves as a protective frame for the transmission device 11 and the like.

When discharging grains, first the receiving portions 9, 9 of the two flexible screw conveyors 8, 8 are placed on the side wall 14.
One of the bearings 25 is held by the frame 24, and the other is connected and held by the transmission attachment/detachment means 28. That is, the bearing 25 of the receiving portion 9 is inserted into and held by the metal 29, and the drive shaft 10 is fitted into the connecting pipe 32 at the tip of the transmission shaft 12. Further, during this fitting, the connecting pipe 32 is configured to be movable forward and backward by a spring 34, so that the fitting is performed smoothly.

Next, the operating lever 42 is rotated about the shaft 41, and the flange portion 39 provided integrally with the support tube 26 of the receiving portion 9 is pressed and locked by the locking body 40, and the flexible screw conveyor 8, Fix 8.

By rotating the operation lever 42 to the locking position, the front side of the shutter 4 is released, so that the discharge port 5 can be opened by operating the shutter 4. When the discharge port 5 is opened and the flexible screw conveyor 8 is driven, the discharge conveyor 2 is driven via the drive shaft 10, the transmission shaft 12 of the transmission attachment/detachment means 28, and the belt 38.

Therefore, the grains in the tank 1 are transferred to the discharge port 5 and fall into the left and right receiving troughs 6, 6 while being guided by the partition guide plate 17, and are received by the flexible screw conveyor 8. The grains are received and conveyed by the section 9.

During this grain discharge process, shutter 4
is pulled out forward and positioned so as to block the operating range of the operating lever 42, so that the operating lever 42 will not be actuated unexpectedly and the flexible screw conveyor 8 will not fall off.

[Brief explanation of drawings]

The figures show an embodiment of the present invention, in which Fig. 1 is a side sectional view, Fig. 2 is a front view of the main part, Fig. 3 is a front sectional view of the main part, and Fig. 4 is a main part. FIG. In the figure, reference numeral 1 indicates a tank, 4 a shutter, 5 a discharge port, 8 a conveying device (flexible screw conveyor), 40 a locking body, and 42 an operating lever.

Claims (1)

[Scope of utility model registration request] A conveying device 8 for taking out and conveying the contents is detachably provided at the discharge port 5 of the tank 1 which can be opened and closed by the shutter 4, and an operating lever 42 of a locking body 40 for fixing the conveying device 8 to the tank 1 is fixed. In the release position, the grain discharging and conveying device for a tank is formed by intersecting the operating range of the operating lever 42 and the operating range of the shutter 4 in order to restrict the opening operation of the shutter 4.