GB2360303A - Excavating machine with abrasive wheels rotating in same plane or axis - Google Patents
Excavating machine with abrasive wheels rotating in same plane or axis Download PDFInfo
- Publication number
- GB2360303A GB2360303A GB0006200A GB0006200A GB2360303A GB 2360303 A GB2360303 A GB 2360303A GB 0006200 A GB0006200 A GB 0006200A GB 0006200 A GB0006200 A GB 0006200A GB 2360303 A GB2360303 A GB 2360303A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tunnel excavation
- earth
- same plane
- axis
- removing machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009412 basement excavation Methods 0.000 claims description 14
- 239000003082 abrasive agent Substances 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/16—Machines slitting solely by one or more rotating saws, cutting discs, or wheels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
An excavating machine includes a plurality of wheels rotating either in the same plane or on the same axis, the wheels being made from or covered with an abrasive material. In an embodiment the machine is mounted on a heavy frame which is fixed to part of the tunnel which has already been excavated and power is transmitted to the abrasive wheels either via a chain or a rotating axis, also a hydraulic system is located between the wheels and the frame to provide the pressure necessary for excavating.
Description
2360303
DESCRIPTION
The new earth removing machine for tunnel excavation is used to cut free large volumes of earth in the tunnel, according to the "NEW EXCAVATION METHOD FOR TUNNEV' (Patent Pending). The volume of earth removed is a few centimeters thick and a few meters high and wide.
The new earth removing machine for tunnel excavation has a number of wheels covered with abrasive material so that when rotating and being applied with pressure against the earth volume to be cut free, it will slice through the earth as far as the frame and power transmission reach, typically between three and 6 meters. The frame and power transmission is designed so as to fit into the small volume opened in the earth by the new earth removing machine for tunnel excavation.
There are two types of earth removing machines for tunnel excavation.
a) a new earth removing machine for tunnel excavation as described above with a number of wheels in the same plane. In this case the plane in which the wheels lie is in the same plane as the plane of the free volume created.
b) a new earth removing machine for tunnel excavation as described above with a number of wheels on the same axis. In this case the axis on which the wheels rotate is in the same plane as the plane of the free volume created.
Power is transmitted to the wheels through either a chain or a rotating axis with a 90 degree power transmission device. In order for the pressure to be applied consistently, the new earth removing machine for tunnel excavation is mounted on a sturdy, heavy frame that is fixed in some way to the bottom or the ceiling or the walls of the part of the tunnel already excavated. An hydraulic or similar system fitted between new earth removing machine for tunnel excavation and the frame provides the required pressure.
Claims (4)
1. A new earth removing machine for tunnel excavation provided with a number of wheels rotating in the same plane or in the same axis built in such a material or covered with such material so as to have an abrasive effect on the earth on which it is applied with pressure.
2. A new earth removing machine for tunnel excavation as claimed in claim 1, that is used to remove earth from a volume a few centimeters thick and some tens of centimeters high and some tens of centimeters wide in order to cut free larger volumes of earth in the context of tunnel excavation.
3. A new earth removing machine for tunnel excavation as claimed in claim 1 or claim 2 and as described in Figure 1.
4. A new earth removing machine for tunnel excavation as claimed in claim 1 or claim 2 and as described in Figure 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0006200A GB2360303A (en) | 2000-03-16 | 2000-03-16 | Excavating machine with abrasive wheels rotating in same plane or axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0006200A GB2360303A (en) | 2000-03-16 | 2000-03-16 | Excavating machine with abrasive wheels rotating in same plane or axis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB0006200D0 GB0006200D0 (en) | 2000-05-03 |
| GB2360303A true GB2360303A (en) | 2001-09-19 |
Family
ID=9887642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0006200A Pending GB2360303A (en) | 2000-03-16 | 2000-03-16 | Excavating machine with abrasive wheels rotating in same plane or axis |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2360303A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4231618A (en) * | 1977-03-12 | 1980-11-04 | Paurat F | Tunnel-excavating machine |
| JPS5898514A (en) * | 1981-12-08 | 1983-06-11 | Harada Sogo Doboku:Kk | Soil excavating device |
| US4838614A (en) * | 1987-07-08 | 1989-06-13 | Dosco Overseas Engineering Limited | Method of excavation and apparatus therefor |
| EP0446712A1 (en) * | 1990-03-16 | 1991-09-18 | CASAGRANDE SpA | Excavation device with rotary cutter having a horizontal axis |
| JPH11172688A (en) * | 1997-12-08 | 1999-06-29 | Koyo Autom Mach Co Ltd | Excavator for caisson |
-
2000
- 2000-03-16 GB GB0006200A patent/GB2360303A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4231618A (en) * | 1977-03-12 | 1980-11-04 | Paurat F | Tunnel-excavating machine |
| JPS5898514A (en) * | 1981-12-08 | 1983-06-11 | Harada Sogo Doboku:Kk | Soil excavating device |
| US4838614A (en) * | 1987-07-08 | 1989-06-13 | Dosco Overseas Engineering Limited | Method of excavation and apparatus therefor |
| EP0446712A1 (en) * | 1990-03-16 | 1991-09-18 | CASAGRANDE SpA | Excavation device with rotary cutter having a horizontal axis |
| JPH11172688A (en) * | 1997-12-08 | 1999-06-29 | Koyo Autom Mach Co Ltd | Excavator for caisson |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0006200D0 (en) | 2000-05-03 |
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