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1. 发明专利

JP2000045263A MOBILE SOIL IMPROVEMENT MACHINE 失效
公开(公告)号：JP2000045263A
公开(公告)日：2000-02-15
申请号：JP20952898
申请日：1998-07-24
申请人： TAIYU KENSETSU CO LTD , HITACHI CONSTRUCTION MACHINERY
发明人： MIZUNO YOSHIO , ITO NOBUO , FUKUZAWA HIDEKI , HASHIMOTO HISANORI , MURAI TOSHIKAZU , SATO FUJIO , NAKAGIRI FUMIKI , MIURA TETSUSHIROU , YAMAMOTO YASUHARU , HIROSE KIYONOBU
IPC分类号： E02D3/12 , B01F7/04 , B01F15/00 , B01F15/04 , E02F7/00
摘要： PROBLEM TO BE SOLVED: To efficiently manufacture extremely high quality improved soil uniformly mixed with sediment and soil improving materials and constant in a mixing ratio by using a mobile soil improvement machine. SOLUTION: A supply part 3 including a carrier conveyor 10, a sediment hopper 20 and a soil improving material hopper 30 and a discharge part 5 constituted of a pressing mechanism part 4 furnished with a processing tank 60 and a discharge conveyor 73 are provided on a main body frame 2 provided on a lower part traveling body 1. The supply part 3 is provided with a sediment supply quantity measuring means including a weight measuring roller and a load sensor 55 to measure its load to measure weight of sediment to be carried by a carrier belt 11 of the carrier conveyor 10. A fixed quantity supply feeder 42 is provided on a fixed quantity supply part 32 of the soil improving material hopper 30, and supply quantity is controlled by an electric motor, but a mixing ratio of sediment and a soil improving material is made constant by controlling the electric motor in accordance with a signal from the sediment supply quantity measuring means.

2. 发明专利

JP2002253980A CRACKING CONVEYOR DEVICE, CRACKING MACHINE USED FOR THE SAME AND FINE-GRANULATION SYSTEM FOR DEHYDRATED CAKE 失效
公开(公告)号：JP2002253980A
公开(公告)日：2002-09-10
申请号：JP2001053506
申请日：2001-02-28
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： SATO FUJIO , HASHIMOTO HISANORI , TAYAMA MINORU , NAKANO MANABU
IPC分类号： B02C13/286 , B02C19/00 , B02C23/00 , B02C19/12
摘要： PROBLEM TO BE SOLVED: To provide a cracking conveyor device capable of subjecting improved soil which is formed by performing mixing and fine cracking of a soil improver and dehydrated cake resulting from water washing processing of crushed stone and/or manufactured sand, to fine cracking so as to perform fine-granulation of the improved soil at such a high level that >=95% of the resulting granules have

3. 发明专利

JP2002004269A SYSTEM AND METHOD FOR SOIL IMPROVING MANAGEMENT 失效
公开(公告)号：JP2002004269A
公开(公告)日：2002-01-09
申请号：JP2000191399
申请日：2000-06-26
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： HASHIMOTO HISANORI , SATO FUJIO , MIURA TETSUSHIROU , MURAI TOSHIKAZU
IPC分类号： E02F7/00 , E02D3/12
摘要： PROBLEM TO BE SOLVED: To enable strict management of an accurate quantity of hardener necessary for soil improvement. SOLUTION: When soil improving works are carried out in a plurality of sites, a soil improving machine operated in each execution site and a operation schedule are included in the processing plan. Estimated data of daily or hourly consumption (consumption of each soil improving machine and total consumption) of the hardener are prepared on the basis of the processing capacity and operating time of in each soil improving machine. A computer 55 of a control center CC requests each soil improving machine to transmit data through communication means 56 and at least data relative to the consumption of the hardener and data relative to the production of improved soil are transmitted from the communication means 54 and inputted in the computer 55 and hence, a correct hardener stock and a correct holding quantity of the hardener in each soil improving machine are computed.

4. 发明专利

JP2001032263A SELF-PROPELLED SOIL IMPROVING MACHINE 失效
公开(公告)号：JP2001032263A
公开(公告)日：2001-02-06
申请号：JP20736299
申请日：1999-07-22
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： SEKINO SATOSHI , YAMAMOTO YASUHARU , MIURA TETSUSHIROU , SATO FUJIO , HASHIMOTO HISANORI
IPC分类号： E02F7/00 , E02D3/12
摘要： PROBLEM TO BE SOLVED: To enable a worker to easily and correctly recognize the consumption or the remaining quantity of a soil conditioner while improving the soil by a mobile soil improving machine. SOLUTION: A feed part 3 is arranged on a body frame 2 connected to a lower traveling body 1, a treatment mechanism part 4 is mounted on its rear position, the earth and the soil improvement material are fed from an earth hopper 20 of the feed part and from a soil conditioner feeder, respectively. A soil conditioner feeding means 30 comprises a storage part 31 and a feeder 32, and the soil conditioner of the specified quantity is stored in the storage part 31. An operation panel 78 is installed on the body frame 2, operation members of the specified number comprising operation button, knobs, switches, etc., are provided on the operation panel 78, and a monitor is added thereto. Based on the signal from a controller, the present quantity of the treated earth per unit time, the present consumption of the soil conditioner, and their integrated values are displayed on the monitor, and the storage quantity of the soil conditioner in the storage part 31 is also displayed.

5. 发明专利

JP2000265493A SOIL IMPROVEMENT MACHINE FURNISHED WITH DRILLING MEANS 失效
公开(公告)号：JP2000265493A
公开(公告)日：2000-09-26
申请号：JP7170999
申请日：1999-03-17
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： SEKINO SATOSHI , MURAI TOSHIKAZU , KUSAKI TAKAMI , HASHIMOTO HISANORI , SATO FUJIO , HOSOYA KAZUMICHI
IPC分类号： E02F5/14 , B01F15/00 , E02F7/00
摘要： PROBLEM TO BE SOLVED: To detect biting of a foreign matter, etc., in a stirring and mixing means in an early stage and to smoothly actuate this stirring and mixing means. SOLUTION: A working status of a stirring screw is displayed on a gage 73 set in a driver's cage 5 in accordance with a detection signal by detecting variation of supply pressure to a hydraulic motor for stirring by a pressure gage. The display contents are made of a beacon 130 and an indicator 131 on the gage 73, and the indicator 131 has a display region 133 showing that the hydraulic motor for stirring works. Thereby, this display region 133 is divided into a small section 133a to show a no-load driving state, a small section 133b to show that soil improvement treatment is carried out in a proper state and a small section 133c to show an overload state, and it is possible to recognize that the stirring screw starts biting a solid foreign matter, etc., when the beacon 130 suddenly oscillates to the side of the small section 133c.

6. 发明专利

JP2000230248A SELF-PROPELLED SOIL IMPROVING MACHINE 失效
公开(公告)号：JP2000230248A
公开(公告)日：2000-08-22
申请号：JP3438899
申请日：1999-02-12
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： SATO FUJIO , HASHIMOTO HISANORI , MURAI TOSHIKAZU , HOSOYA KAZUMICHI , KUSAKI TAKAMI , SEKINO SATOSHI
IPC分类号： E02F7/00
摘要： PROBLEM TO BE SOLVED: To form a self-propelled soil improving machine compact and to facilitate the maintenance work of a processing tank forming a soil improving process means. SOLUTION: A soil improving material hopper 30 feeds a soil improving material to a carrying-in conveyor 10, the soil improving material hopper 30 is supported on a frame-like base plate 32 provided on four supports 31 erected on a body frame 2, and a processing tank 60 provided with two paddle mixers 64 is arranged at the lower position. An inspection hole 72 fitted with a cover body at the upper section and an opening door are provided for the maintenance of the inside of the processing tank 60. The support levers 100 are telescopically inserted into the guide tubes 101 of the supports 31 to vertically displace the base plate 32 between an operation position near the processing tank 60 and a maintenance position apart from it and to fixedly hold the base plate 32 at one of two positions, and the support levers 100 can be selectively fixed at the operation position or the maintenance position by stopper pins 102.

7. 发明专利

JP2000230231A SELF-PROPELLED SOIL IMPROVING MACHINE 失效
公开(公告)号：JP2000230231A
公开(公告)日：2000-08-22
申请号：JP3438999
申请日：1999-02-12
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： HASHIMOTO HISANORI , SATO FUJIO , MURAI TOSHIKAZU , HOSOYA KAZUMICHI , YAMAMOTO YASUHARU , MIURA TETSUSHIROU
IPC分类号： B09C1/02 , B01F7/04 , B09C1/08 , E02D3/12 , E02F7/00
摘要： PROBLEM TO BE SOLVED: To provide a structure for protecting a soil improving material in a soil improving material hopper which is extremely convenient for the inspection and maintenance of the inside of a processing tank by holding the processing tank at the closed state other than an introduction section of earth, sand and the soil improving material and a discharge section of improved soil. SOLUTION: A processing tank 60 for stirring and mixing sediment and lime in a process mechanism section 4 is provided with a paddle mixer 64 in it, and it is formed with an upper face 60a, an upper side face 60b formed into a rectangular frame shape and a main body section 60c fixed to the lower end section of the upper side face 60b by welding. The main body section 60c has a tandem concave curved face shape nearly matched with the rotating locus of a paddle 66. An opening for maintenance is formed on the side face, openable closing members 71 are fitted to the opening at the required positions, two small openings are provided on the upper face 60a of the processing tank 60, tubular inspection port members 72, 73 are provided on the openings, and opening/closing covers 74, 75 are removably connected to the inspection port members 72, 73 by hinges.

8. 发明专利

JP2000204543A SOIL IMPROVING MACHINE 失效
公开(公告)号：JP2000204543A
公开(公告)日：2000-07-25
申请号：JP429099
申请日：1999-01-11
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： SEKINO SATOSHI , MURAI TOSHIKAZU , HASHIMOTO HISANORI , KUSAKI TAKAMI , SATO FUJIO
IPC分类号： B07B1/16 , B07B1/42 , E02D3/12
摘要： PROBLEM TO BE SOLVED: To quickly and positively separate solid materials from charged earth and sand without particularly applying an external force to a sifting means set at a soil charging hopper, and to smoothly and efficiently eliminate the solid materials left on a grating. SOLUTION: A soil charging hopper 30 has a frame body 31 on which a grating unit 32 is installed. The grating unit 32 includes a plurality of grating plates 33 which are arranged in one direction with predetermined pitches so as to cover the upper portion of the soil charging hopper 30. Both ends of each grating plate 33 are rotatably linked to crank portions of respective crank shafts 35, and when one of the crank shafts 35 is driven for rotation, each of the grating plates 33 vertically reciprocates by a predetermined stroke, to thereby cause vibration to the charged earth and sand. When the grating plates 33 reciprocate in a longitudinal direction by a predetermined stroke, solid materials are discharged.

9. 发明专利

JP2000129666A SELF-ADVANCING TYPE SOIL IMPROVING MACHINE 失效
公开(公告)号：JP2000129666A
公开(公告)日：2000-05-09
申请号：JP30114598
申请日：1998-10-22
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： SATO FUJIO , MURAI TOSHIKAZU , HASHIMOTO HISANORI , KUSAKI TAKAMI , SEKINO SATOSHI
IPC分类号： E02D3/12
摘要： PROBLEM TO BE SOLVED: To separate and remove solid foreign matters effectively from soil and sand supplied from a soil-sand hopper, and to prevent the deterioration of the charging efficiency of soil and sand for separation and removal. SOLUTION: A soil-sand hopper 20 feeding soil and sand is installed onto a conveyor belt 11 for a carry-in conveyor 10, and a screening means 21 for solid foreign matters is mounted on the receiving section 20a side of the soil- sand hopper 20. A large number of rods 22 are arranged to a supporting member at regular pitches in the screening means 21. Support shafts are connected and set up to both side sections of the supporting member at that time, these support shafts are attached pivotally to mounting plates 8a respectively, the upper section of the receiving section 20a of the soil-sand hopper 20 is covered completely with the screening means 21 by a motor 24 for tilting, and the screening means 21 can be displaced between the place of operation, where soil and sand and the solid foreign matters are separated when soil and sand are charged in, and the place of the removal of the foreign matters, where the screening means 21 is inclined at a fixed angle and the solid foreign matters are removed from the upper section of the screening means 21 and dropped onto a ground surface.

10. 发明专利

JP2000016356A TRACKED VEHICLE 失效
公开(公告)号：JP2000016356A
公开(公告)日：2000-01-18
申请号：JP19675898
申请日：1998-06-26
申请人： HITACHI CONSTRUCTION MACHINERY
发明人： SATO FUJIO
IPC分类号： E02F9/02 , B62D55/065 , B62D55/084
摘要： PROBLEM TO BE SOLVED: To improve the traveling property even in traveling on a largely undulated road surface, and to stabilize the posture of a vehicle even in starting the vehicle, or in a traveling braking. SOLUTION: A hub 20 is provided on a tip side of a drive shaft 17 of a front axle 13 through a reduction gear, etc., and a drive wheel 22 is integratedly provided on the hub 20. A boss part 23B of an oscillation bracket 23 is relatively rotatably mounted on an outer circumferential side of the hub 20, and a plurality of rolling elements 24 are rotatably provided on the oscillation bracket 23. A crawler 25 is wound between the drive wheel 22 and each rolling element 24. An arm part 16A is integratedly formed on a lower surface side of a knuckle 16 forming a part of an axle housing 14, and a cylinder device 26 is provided between the tip side of the arm part 16A and the oscillation bracket 23 in an expandable manner. When a vehicle is started or braked, the oscillation of a crawler device 21 is stopped by stopping the expansion of the cylinder device 26.

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