WORKING MACHINE

• US 20160375845A1
• Filed: 09/13/2016
• Published: 12/29/2016
• Est. Priority Date: 09/30/2014
• Status: Active Grant

• Current Assignee: Kubota Corporation
• Original Assignee: Kubota Corporation
• Inventors: SUMIYOSHI, Ryohei, IMAI, Hideo, KUBO, Noriyoshi, ANAMI, Hiroyuki, HATA, Hiroyuki, YASUDA, Toyoaki, KURODA, Masahiro, HIGASHIYAMA, Kohei, YAMASHITA, Yuji, TAJIMA, Satoshi, MORI, Shunichiro, IDO, Hayato, TAKEMURA, Toshihiko, HISATAKE, Shinsuke, TAMAKI, Hajime, KOYAMATSU, Hiroshi
• Granted Patent: US 9,828,744 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B60K 17/00 Arrangement or mounting of transmissions in vehicles clutches per se, e.g. construction thereof, F16D; gearing per se, e.g. construction thereof, F16H
• CPC Class Codes: B60K 5/00 Arrangement or mounting of internal-combustion or jet-propulsion units B60K7/00 takes precedence; arrangement or mounting of plural diverse prime-movers for mutual or common propulsion B60K6/00
• CPC Class Codes: B60K 5/02 with the engine main axis, e.g. crankshaft axis, substantially in or parallel to the longitudinal centre line of the vehicle
• CPC Class Codes: B60K 5/1208 Resilient supports B60K5/1241 - B60K5/1291 take precedence
• CPC Class Codes: B60K 5/1216 characterised by the location of the supports relative to the motor or to each other B60K5/1225 takes precedence
• CPC Class Codes: B60R 13/0838 for engine compartments
• CPC Class Codes: B60Y 2200/415 Wheel loaders
• CPC Class Codes: B62D 33/063 movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
• CPC Class Codes: E02F 3/3414 the arms being pivoted at the rear of the vehicle chassis, e.g. skid steer loader
• CPC Class Codes: E02F 3/422 Drive systems for bucket-arms, front-end loaders, dumpers or the like
• CPC Class Codes: E02F 9/02 Travelling-gear, e.g. associated with slewing gears drives therefor E02F9/20; for motor vehicles B60B, B60G; undercarriages for locomotives or railroad cars B61F; track-laying vehicles B62D; for cranes B66C23/18
• CPC Class Codes: E02F 9/0808 Improving mounting or assembling, e.g. frame elements, disposition of all the components on the superstructures for disposition of specific components, E02F9/0858
• CPC Class Codes: E02F 9/0866 Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
• CPC Class Codes: E02F 9/0883 Tanks, e.g. oil tank, urea tank, fuel tank for vehicles in general B60K15/00
• CPC Class Codes: E02F 9/0891 Lids or bonnets or doors or details thereof doors for cabins E02F9/163 takes precedence; for motor vehicles B62D25/10
• CPC Class Codes: E02F 9/16 Cabins, platforms, or the like, for drivers for motor vehicles in general B62D33/06, for cranes B66C13/54
• CPC Class Codes: E02F 9/166 movable, tiltable or pivoting, e.g. movable seats, dampening arrangements of cabins seats for vehicles in general B60N2/00

Abstract

A working machine includes a travel device, a motive power transmission device configured to transmit a motive power to the travel device, a transmission case configured to house the motive power transmission device, and a hydraulic operation fluid tank disposed on an upper surface of the transmission case.

Claims

1. A working machine comprising:

a travel device;

a motive power transmission device configured to transmit a motive power to the travel device;

a transmission case configured to house the motive power transmission device; and

a hydraulic operation fluid tank disposed on an upper surface of the transmission case.

6. The working machine according to claim 1, comprising:

a first boom arranged on a right side of the machine body, the first boom being capable of swinging upward and down ward; and

a second boom arranged on a left side of the machine body, the second boom being capable of swinging upward and down ward, wherein

the hydraulic operation fluid tank includes;

a fluid filler tube having a fluid filler opening; and

an fluid gauge, and

the fluid filler opening and the fluid gauge are disposed below the booms.

9. The working machine according to claim 6, comprising:

a front wheel disposed on the travel device; and

a rear wheel disposed on the travel device, wherein

the fluid filler opening and the fluid gauge are disposed between the front wheel and the rear wheel

17. The working machine according to claim 1, wherein

the machine body includes:

a side member,

the transmission case includes;

the side member; and

a cover arranged on a side of the side member, the side being opposite to the travel device.

22. The working machine according to claim 17, wherein

the side member includes:

a first plate member; and

a second plate member standing up from the first plate member,

the cover includes;

a third plate member disposed to be opposed to the second plate member; and

a fourth plate member placed above the first plate member to be opposed to the first plate member, and

an outer surface of the fourth plate member serves as an upper surface of the transmission case.

2. A working machine comprising:

a machine body;

a travel device;

a first motive power transmission device configured to transmit a motive power to the travel device;

a second motive power transmission device configured to transmit a motive power to the travel device;

a first transmission case configured to house the first motive power transmission device, the first transmission case being disposed on the machine body;

a second transmission case configured to house the second motive power transmission device, the second transmission case being disposed on the machine body; and

a hydraulic operation fluid tank disposed on an upper surface of the first transmission case or on an upper surface of the second transmission case.

7. The working machine according to claim 2, comprising:

a first boom arranged on a right side of the machine body, the first boom being capable of swinging upward and down ward; and

a second boom arranged on a left side of the machine body, the second boom being capable of swinging upward and down ward, wherein

the hydraulic operation fluid tank includes;

a fluid filler tube having a fluid filler opening; and

an fluid gauge, and

the fluid filler opening and the fluid gauge are disposed below the booms.

18. The working machine according to claim 2, wherein

the machine body includes:

a side member,

the transmission case includes;

the side member; and

a cover arranged on a side of the side member, the side being opposite to the travel device.

3. A working machine comprising:

a cabin mounted being capable of swinging upward and downward;

a travel device;

a motive power transmission device configured to transmit a motive power to the travel device;

a transmission case configured to house the motive power transmission device; and

a plurality of gas springs disposed on an upper surface of the transmission case, the gas springs being configured to lift up the cabin.

10. The working machine according to claim 3, comprising:

a first pin configured to pivotally support a lower end portion of the plurality of gas springs; and

a second pin configured to pivotally support an upper end portion of the plurality of gas springs.

13. The working machine according to claim 3, comprising:

a restriction member configured to restrict stretching and shortening of at least one of the plurality of gas springs, the restriction member having two positions;

one of the two positions is a restricting position where the restriction member contacts to the gas spring to restrict the stretching and shortening of the gas spring, and the other one of the two positions is an allowance position where the restriction member is released from the restricting position to allow the stretching and shortening of the gas spring.

16. The working machine according to claim 10, comprising:

a restriction member configured to restrict stretching and shortening of at least one of the plurality of gas springs, the restriction member having two positions;

one of the two positions is a restricting position where the restriction member contacts to the gas spring to restrict the stretching and shortening of the gas spring, and the other one of the two positions is an allowance position where the restriction member is released from the restricting position to allow the stretching and shortening of the gas spring.

19. The working machine according to claim 3, wherein

the machine body includes:

a side member,

the transmission case includes;

the side member; and

a cover arranged on a side of the side member, the side being opposite to the travel device.

4. A working machine comprising:

a machine body;

a cabin mounted being capable of swinging upward and downward;

a travel device;

a first motive power transmission device configured to transmit a motive power to the travel device;

a second motive power transmission device configured to transmit a motive power to the travel device;

a first transmission case configured to house the first motive power transmission device, the first transmission case being disposed on the machine body;

a second transmission case configured to house the second motive power transmission device, the second transmission case being disposed on the machine body; and

a plurality of gas springs disposed on an upper surface of the first transmission case or on an upper surface of the second transmission case, the gas springs being configured to lift up the cabin.

11. The working machine according to claim 4, comprising:

a first pin configured to pivotally support a lower end portion of the plurality of gas springs; and

a second pin configured to pivotally support an upper end portion of the plurality of gas springs.

14. The working machine according to claim 4, comprising:

a restriction member configured to restrict stretching and shortening of at least one of the plurality of gas springs, the restriction member having two positions;

one of the two positions is a restricting position where the restriction member contacts to the gas spring to restrict the stretching and shortening of the gas spring, and the other one of the two positions is an allowance position where the restriction member is released from the restricting position to allow the stretching and shortening of the gas spring.

20. The working machine according to claim 4, wherein

the machine body includes:

a side member,

the transmission case includes;

the side member; and

a cover arranged on a side of the side member, the side being opposite to the travel device.

5. A working machine comprising:

a machine body;

a cabin mounted being capable of swinging upward and downward;

a travel device;

a first motive power transmission device configured to transmit a motive power to the travel device;

a second motive power transmission device configured to transmit a motive power to the travel device;

a first transmission case configured to house the first motive power transmission device, the first transmission case being disposed on the machine body;

a second transmission case configured to house the second motive power transmission device, the second transmission case being disposed on the machine body;

a hydraulic operation fluid tank disposed on an upper surface of the first transmission case or on an upper surface of the second transmission case, and

a plurality of gas springs disposed on the upper surface of the first transmission case or on the upper surface of the second transmission case, the gas springs being configured to lift up the cabin.

8. The working machine according to claim 5, comprising:

a first boom arranged on a right side of the machine body, the first boom being capable of swinging upward and down ward; and

a second boom arranged on a left side of the machine body, the second boom being capable of swinging upward and down ward, wherein

the hydraulic operation fluid tank includes;

a fluid filler tube having a fluid filler opening; and

an fluid gauge, and

the fluid filler opening and the fluid gauge are disposed below the booms.

12. The working machine according to claim 5, comprising:

a first pin configured to pivotally support a lower end portion of the plurality of gas springs; and

a second pin configured to pivotally support an upper end portion of the plurality of gas springs.

15. The working machine according to claim 5, comprising:

a restriction member configured to restrict stretching and shortening of at least one of the plurality of gas springs, the restriction member having two positions;

one of the two positions is a restricting position where the restriction member contacts to the gas spring to restrict the stretching and shortening of the gas spring, and the other one of the two positions is an allowance position where the restriction member is released from the restricting position to allow the stretching and shortening of the gas spring.

21. The working machine according to claim 5, wherein

the machine body includes:

a side member,

the transmission case includes;

the side member; and

a cover arranged on a side of the side member, the side being opposite to the travel device.