JP2012201317A - Gas engine type tending machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently perform exchange work of a gas supply cylinder corresponding to fuel cut under tilling work by accommodating a spare cylinder of the gas supply cylinder in a gas engine type tending machine beforehand.SOLUTION: The gas engine type tending machine includes: a gas engine mounted on a body front section, which works using gas as fuel; a gas supply cylinder for supplying gas to the gas engine; an axle which is rotated and driven by power output from the gas engine; a plurality of tillage tines provided in the axle; a handle frame extending to rear upside from a body rear section; and a hitch section for supporting a resistance rod extending to rear backside from the body rear section. A container for accommodating the gas supply cylinder is attached at a rear section of the hitch section.

Description

  The present invention relates to a gas engine type management machine equipped with a gas engine, and more particularly to a temporary storage device for the gas supply cylinder.

  In recent years, in a management machine equipped with a gas engine that uses fuel gas from a gas supply cylinder as a fuel, a cylinder case that removably supports the gas supply cylinder on the cylinder mounting portion is provided on the upper front side of the gas engine, It is known that a gas supply cylinder is supported in a lateral direction and fuel gas is supplied to a fuel supply pipe through a connecting portion provided on the side of the cylinder case. (For example, see Patent Document 1)

JP 2009-107477 A

  In the above-described gas engine type management machine disclosed in Patent Document 1, the exhaust gas is clean compared to a general gasoline fuel management machine, but the continuous operation time per gas supply cylinder is short (usually 30). Therefore, if the gas supply cylinder runs out of gas during the tillage operation, the gas supply cylinder must be replaced separately, and the gas supply cylinder is moved apart during the tillage operation in the field. I had to go to the house, car, barn etc.

  Therefore, an object of the present invention is to provide a temporary storage container for a gas supply cylinder in which a reserve of a gas supply cylinder used for a gas engine type management machine is set in advance in the machine body.

  The present invention has been made in order to solve these problems in view of the above circumstances, and includes a gas engine that operates with gas as a fuel in a fuselage, and a gas supply cylinder that supplies gas to the gas engine. An axle that is rotationally driven by the power output from the gas engine, a plurality of tilling claws provided on the axle, a handle frame that extends rearward and upward from the rear of the fuselage, and a rearward and downward from the rear of the fuselage A gas engine type management machine provided with a hitch portion for supporting an extending resistance rod, wherein a container for temporarily storing a gas supply cylinder is attached to a rear portion of the hitch.

  According to the first aspect of the present invention, the airframe is equipped with a gas engine that operates using gas as fuel, and a gas supply cylinder that supplies gas to the gas engine, and is driven to rotate by power output from the gas engine. Gas engine type management machine comprising an axle, a plurality of tilling claws provided on the axle, a handle frame extending rearward and upward from the rear part of the fuselage, and a hitch part supporting a resistance rod extending downward and rearward from the rear part of the fuselage Since the container for temporarily storing the gas supply cylinder is attached to the rear part of the hitch, a spare gas supply cylinder can be provided at the rear part of the hitch part even if the gas runs out during the cultivation work in the field. It is possible to continue the tilling work by exchanging with the gas supply cylinder which has been removed from the storage container and has no gas.

It is a side view of the gas engine type management machine which concerns on embodiment of this invention. It is a top view of the gas engine type management machine which concerns on embodiment of this invention. It is a top view which shows the state which removed the cover member of the gas engine type management machine which concerns on embodiment of this invention. It is a right view which shows the state which removed the cover member of the gas engine type management machine which concerns on embodiment of this invention. It is a principal part left sectional view of the gas engine type management machine concerning the embodiment of the invention in this application. It is a principal part front view of the gas engine type management machine which concerns on embodiment of this invention. It is a principal part top view of the gas engine type management machine which concerns on embodiment of this invention. It is a principal part left view of the gas engine type management machine which concerns on embodiment of this invention. It is a principal part right view of the gas engine type management machine which concerns on embodiment of this invention. It is a perspective view which shows the bonnet of the gas engine type management machine which concerns on embodiment of this invention. It is a front view of the storage container which stores the reserve gas supply cylinder of the gas engine type management machine which concerns on embodiment of this invention.

  Hereinafter, a gas engine type management machine according to an embodiment of the present invention will be described with reference to the drawings.

[Outline of gas engine type management machine]
First, the overall configuration of the gas engine type management machine will be described. As shown in FIGS. 1 and 2, the gas engine type management machine 1 is disposed so as to be inclined in the vertical direction, and has a rotating shaft 3 a that supports a rotating body 3 such as a tilling claw 3 b so as to be rotatable. A mission case 5 that is pivotally supported, a bifurcated handle 6 that is fixed to the mission case 5 and extends upward toward the rear side (right side in the figure), and a machine frame 7 that is fixed to the mission case 5 And a gas engine 9 mounted on the vehicle. The operator holds the handle 6 and operates the airframe 2 from the transmission case 5 and the gas engine 9.

  On the rear side of the transmission case 5, a storage case K that can store a reserve of a gas supply cylinder B, which will be described later in the gist of the present invention, is attached to the rear portion of the hitch portion H that supports the resistance rod 12. That is, an L-shaped plate member L is welded to the rear portion of the hitch portion H, and the upper portion is closed on one side of the storage case K so that the plate member L can be fitted from above, and the lower portion is opened. By holding the tool K1 with the L-shaped plate member L, the storage case K can be supported at a predetermined position. The storage case K has a handle K2 as a handle on the upper side, and is usually partitioned in advance in the storage case K by a slit S so that three gas supply cylinders B can be stored. The resistance rod 12 is submerged in the ground during the tilling work so that the working posture of the machine body 2 is stabilized, and can be used as a stand that holds the standing posture when not working.

As shown in FIG. 2, the handle 6 includes gripping portions 6a and 6b at both left and right ends.
A main clutch lever 11 for operating a main clutch, which will be described later, is disposed in front of the grip part 4b on the left side of the machine body, and the main clutch is engaged when the operator grips the grip part 6a together. It is configured to be an operation. Further, a throttle lever 10 is disposed in front of the right grip 6b so that the operator can operate the rotation of the gas engine 9 via the throttle wire 10a by operating the throttle lever 10. It is configured.

  On the other hand, the gas engine 9 (see FIG. 1) includes a belt transmission mechanism (not shown) in the belt cover 13, and the rotational transmission force of the engine output shaft is input to the transmission case 5 by the belt transmission mechanism. Transmitted to the shaft. The belt transmission mechanism is provided with a belt tension clutch (not shown) for turning on and off the transmission of the rotational driving force of the gas engine 9, and the gas engine is operated by operating the main clutch lever 11 disposed on the handle 6 described above. It is comprised so that transmission of 9 rotational driving force can be turned on and off.

Next, the fuel gas supply structure to the gas engine 9 will be described with reference to FIGS. The gas engine 9 is configured to burn and drive propane gas (fuel gas) supplied from a cassette-type gas supply cylinder B (see FIG. 3) that is detachably supported by the cylinder mounting portion 20. The cylinder mounting portion 20 is configured to mount and mount the gas cylinder B in the lateral direction along the width direction (the left-right direction of the machine body) of the gas engine 9 above the front portion of the gas engine 9. Yes.
In addition, since it becomes difficult to start the gas engine 9 in an environment where the outside air is low when the gas supply cylinder B is installed, the commercially available thermo label SB is attached to the inner surface of the cylinder case 21 described later. Since it is possible to visually confirm whether or not the gas engine 9 can be started depending on the temperature, it is possible to avoid useless starting operations in a low temperature environment.

  The cylinder mounting portion 20 includes a cylinder case 21 that accommodates the gas supply cylinder B in a horizontal position along the left-right direction of the machine body, and a connection portion 22 that is connected to the gas supply cylinder B at the right end of the cylinder case 21. The connecting portion 22 is connected to a fuel pipe 25 for supplying the propane gas of the gas supply cylinder B to the gas engine 9 via a joint nut 24 and supplies the propane gas to the fuel pipe 25. It has a fuel cock 23 that is turned on and off.

  Further, as shown in FIGS. 3 and 4, a recoil starter 16 is provided on the right side (one side of the gas engine type management machine) where the connecting portion 22 (fuel cock 23) is disposed. In addition, a throttle wire 10a for transmitting the fuel of the throttle lever 10 to a governor (not shown) of the gas engine 9 is disposed below the connecting portion 22 as disposed through the lower side of the fuel pipe 25. A mounting portion on the other end side (the side opposite to the throttle lever) of the throttle wire 10a is provided.

  As shown in FIG. 5, the cylinder case 21 includes a storage case 21a for storing the gas supply cylinder B, and a substantially U-shaped support member 21b to which the storage case 21a is attached. The support member 21b has a plurality of support legs 21c that protrude downward and are fixed to the crankcase 9a of the gas engine 9. The cylinder case 21 is supported by the support member 21 b, so that the cylinder mounting portion 20 is fixedly supported by the gas engine 9.

  Further, a muffler 15 that discharges exhaust gas discharged from the gas engine 9 to the outside is provided on the rear side of the cylinder mounting portion 20, and the muffler 15 has a muffler cover on its upper surface, left and right side surfaces, and rear surface. 15b.

[Cover configuration of gas engine type management machine]
Next, the cover configuration of the gas engine type management machine 1 will be described. As shown in FIGS. 6 to 9, the gas engine type management machine 1 includes a bonnet 30 that covers the bomb case 21 from the rear side to the front upper part, a lower edge portion 30d of the bonnet 30 and an upper edge portion 31U. An under cover 31 that covers the lower side of the cylinder case 21 and a side cover that integrally covers the fuel pipe 25, the throttle wire 10a, and the connecting portion 22 (fuel cock 23) of the cylinder mounting portion 20 from the right side of the fuselage. Cover member) 32.

  As shown in FIGS. 7 and 10, the bonnet 30 covers the cylinder case 21 in substantially the entire width, and the front side covering the cylinder case 21 is smoothly curved along the cylinder case 21. In addition, the rear end portion extends to above the muffler 15 so that the operator does not touch the muffler 15 and the groove-shaped opening is provided so that the ambient temperature in the cover becomes higher than necessary. Prevents the rise.

  In addition, since the holder h for storing the cap C of the gas supply cylinder B in advance is provided on the upper part of the bonnet 30, it is possible to prevent the cap C removed from the gas supply cylinder B from being lost, It can be easily confirmed that the supply cylinder B is attached to the management machine, and forgetting to remove the gas supply cylinder B can be prevented.

  The handle grips 6a and 6b are provided with capacitance switches (not shown) to detect that the operator is holding the handle and to control the machine to operate. It is designed to ensure safety. That is, by making the mechanical clutch electric, there is no force to hold the clutch, and the tilling work can be performed easily.

In the gas supply cylinder B of the gas engine management machine configured as described above, by preparing a spare gas supply cylinder B in advance even if the gas fuel runs out during the tillage work Work can be performed without reducing work efficiency.
In addition, by disposing the empty gas supply cylinder B in the storage case K, the disposal process can be performed smoothly. Further, the storage case K can be removed from the hitch portion H without using a tool. It was possible to easily remove and carry the storage case K by lifting the handle K2 upward, and the workability could be greatly improved.

1 Gas Engine Management Machine 3a Axle 3b Tillage Claw 6H Handle Frame 9 Gas Engine 12 Resistance Bar B Gas Supply Cylinder H Hitch K Storage Case

Claims (1)

  A gas engine that operates on gas as fuel and a gas supply cylinder that supplies gas to the gas engine, an axle that is rotated by power output from the gas engine, and a plurality of tillers provided on the axle A gas engine type management machine comprising a claw, a handle frame extending rearward and upward from the rear part of the fuselage, and a hitch part supporting a resistance rod extending downward and rearward from the rear part of the fuselage, and at the rear part of the hitch, A gas engine type management machine to which a container for temporarily storing a gas supply cylinder is attached.

Images