US2017816A - Cutter for hydraulic dredges - Google Patents
Cutter for hydraulic dredges Download PDFInfo
- Publication number
- US2017816A US2017816A US747233A US74723334A US2017816A US 2017816 A US2017816 A US 2017816A US 747233 A US747233 A US 747233A US 74723334 A US74723334 A US 74723334A US 2017816 A US2017816 A US 2017816A
- Authority
- US
- United States
- Prior art keywords
- suction head
- cutter
- cutterhead
- hydraulic
- guard
- 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.)
- Expired - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9293—Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9212—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel
- E02F3/9225—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel with rotating cutting elements
- E02F3/9231—Suction wheels with axis of rotation parallel to longitudinal axis of the suction pipe
Definitions
- the principal object is to simplify foundry and machine problems and to provide a relatively inexpensive cutterhead having means cast integral therewith that will reject spoil that is too large for passage through the suction line and do it in such way as to prevent clogging of the suction head or nozzle, the guard comprising spaced arms springing radially inward from the cutter spider and having an orbital 'path of movement in spiral order of arrangement in close proximity to and across the mouth of the suction head.
- FIG. 1 is an outer end elevation.
- Fig. 2 is a side elevational view partly broken away and partly in section, the better to show the construction and arrangement of the guard integers.
- Fig. 3,15 an inner end elevational view with the suction head in section.
- the cutterhead 5 is equipped, as usual, with cutting and agitator arms 6 having shaft'mountings 1 and 8.
- 'Ihe latter is a back ring or annulus which, according to my invention, is integrally formed with inwardly directed guard iingers 9 in spiral order of arrangement addressed to the direction of travel.
- Fingers 9 have relatively blunt heel portions I and relatively sharp or angular toe portions Il.
- the fingers are of length adequate to guard the suction head or nozzle i2 and their spaced relation and helical arrangement are such that at times they function in pairs, that is to say, vtwo of them are in lapping relation with the suction head.
- a suction head in combination, a suction head, a cutterhead in operative relation therewith, and a back ring on the cutterhead having inwardly directed radial guard fingers 5 with free ends in lapping relation with the suction head.
- a suction head in combination, a suction head, and a cutterhead in operative relation therewith, the back ring of the cutterhead having inwardly directed spirally disposed stubs Whose free ends trail the cutter across the mouth of the suction head.
- a suction head in combination, a suction head, a cutterhead including a back ring whose inside diameter is suiiicient to clear the suction head, and stub members inwardly and radially sprung from the back ring and effective to size spoil entering the suction head.
- a suction head in combination, a cutterhead including an integral back ring in operative relation therewith, and guard lingers sprung radially inward from the .back ring of the cutterhead and having relatively
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Description
Oct. 15, 1935. E, MacFADYEN 2,017,816
CUTTER FOR HYDRAULIC DREDGES Filed oct. e, 1934 Patented Oct. 15, 1935 UNITED STATES PATENT OFFICE CUTTER FOR HYDRAULIC DREDGES Loudon E. MacFadyen, Easton, Pa., assignor to Taylor-Wharton Iron & Steel Company, High Bridge, N. J., a corporation of New Jersey Application October 6, 1934, Serial No. 747,233
4 Claims.
for guarding the suction head or nozzle and sizing l the excavated material that enters the suction line.
The principal object is to simplify foundry and machine problems and to provide a relatively inexpensive cutterhead having means cast integral therewith that will reject spoil that is too large for passage through the suction line and do it in such way as to prevent clogging of the suction head or nozzle, the guard comprising spaced arms springing radially inward from the cutter spider and having an orbital 'path of movement in spiral order of arrangement in close proximity to and across the mouth of the suction head.
A preferred embodiment of the invention is illustrated in the accompanying drawing, where- Figure 1 is an outer end elevation. Fig. 2 is a side elevational view partly broken away and partly in section, the better to show the construction and arrangement of the guard integers.
Fig. 3,15 an inner end elevational view with the suction head in section.
The cutterhead 5 is equipped, as usual, with cutting and agitator arms 6 having shaft'mountings 1 and 8. 'Ihe latter is a back ring or annulus which, according to my invention, is integrally formed with inwardly directed guard iingers 9 in spiral order of arrangement addressed to the direction of travel. Fingers 9 have relatively blunt heel portions I and relatively sharp or angular toe portions Il. The fingers are of length adequate to guard the suction head or nozzle i2 and their spaced relation and helical arrangement are such that at times they function in pairs, that is to say, vtwo of them are in lapping relation with the suction head.
The merit and effect of the described construction, arrangement and coordination of parts, is to prevent clogging of the suction line by the instant rejection of masses of rock or spoil that would choke the line. 10
Having described the invention, I claim:-
1. In a hydraulic dredge, in combination, a suction head, a cutterhead in operative relation therewith, and a back ring on the cutterhead having inwardly directed radial guard fingers 5 with free ends in lapping relation with the suction head.
2. In a hydraulic dredge, in combination, a suction head, and a cutterhead in operative relation therewith, the back ring of the cutterhead having inwardly directed spirally disposed stubs Whose free ends trail the cutter across the mouth of the suction head.
3. In a hydraulic dredge, in combination, a suction head, a cutterhead including a back ring whose inside diameter is suiiicient to clear the suction head, and stub members inwardly and radially sprung from the back ring and effective to size spoil entering the suction head.
4. In a hydraulic dredge, in combination, a suction head, a cutterhead including an integral back ring in operative relation therewith, and guard lingers sprung radially inward from the .back ring of the cutterhead and having relatively
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US747233A US2017816A (en) | 1934-10-06 | 1934-10-06 | Cutter for hydraulic dredges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US747233A US2017816A (en) | 1934-10-06 | 1934-10-06 | Cutter for hydraulic dredges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2017816A true US2017816A (en) | 1935-10-15 |
Family
ID=25004205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US747233A Expired - Lifetime US2017816A (en) | 1934-10-06 | 1934-10-06 | Cutter for hydraulic dredges |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US2017816A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2702437A (en) * | 1952-08-19 | 1955-02-22 | Hydraulic Dredging Company Ltd | Cutter ring blade |
| US20060236566A1 (en) * | 2003-06-13 | 2006-10-26 | Dredging International N.V. | Device and method for dislodging and recovering dredging material of varying nature |
| CN106836343A (en) * | 2017-04-06 | 2017-06-13 | 中交天津航道局有限公司 | A kind of double anti-stone rings of Cutters for Dredgers |
| US20210087783A1 (en) * | 2017-05-15 | 2021-03-25 | Ihc Holland Ie B.V. | Cutter head with skirt |
| USD921703S1 (en) * | 2019-11-20 | 2021-06-08 | The Charles Machine Works, Inc. | Trail cutter |
-
1934
- 1934-10-06 US US747233A patent/US2017816A/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2702437A (en) * | 1952-08-19 | 1955-02-22 | Hydraulic Dredging Company Ltd | Cutter ring blade |
| US20060236566A1 (en) * | 2003-06-13 | 2006-10-26 | Dredging International N.V. | Device and method for dislodging and recovering dredging material of varying nature |
| US7694441B2 (en) * | 2003-06-13 | 2010-04-13 | Dredging International N.V. | Device and method for dislodging and recovering dredging material of varying nature |
| CN106836343A (en) * | 2017-04-06 | 2017-06-13 | 中交天津航道局有限公司 | A kind of double anti-stone rings of Cutters for Dredgers |
| US20210087783A1 (en) * | 2017-05-15 | 2021-03-25 | Ihc Holland Ie B.V. | Cutter head with skirt |
| US11814813B2 (en) * | 2017-05-15 | 2023-11-14 | Ihc Holland Ie B.V. | Cutter head with skirt |
| USD921703S1 (en) * | 2019-11-20 | 2021-06-08 | The Charles Machine Works, Inc. | Trail cutter |
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