EP0039373A2 - Kompakter Resonanzantrieb für Vorrichtungen zur Bodenbewegung - Google Patents
Kompakter Resonanzantrieb für Vorrichtungen zur Bodenbewegung Download PDFInfo
- Publication number
- EP0039373A2 EP0039373A2 EP80107644A EP80107644A EP0039373A2 EP 0039373 A2 EP0039373 A2 EP 0039373A2 EP 80107644 A EP80107644 A EP 80107644A EP 80107644 A EP80107644 A EP 80107644A EP 0039373 A2 EP0039373 A2 EP 0039373A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- cutter blade
- leg
- angulate
- mounting flange
- 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.)
- Granted
Links
- 230000007935 neutral effect Effects 0.000 claims abstract description 12
- 238000005065 mining Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Images
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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
- E02F3/402—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors
- E02F3/405—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors using vibrating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B3/00—Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
-
- 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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
- E02F3/401—Buckets or forks comprising, for example, shock absorbers, supports or load striking scrapers to prevent overload
Definitions
- This application relates to resonance driving equipment, and in particular to the application of resonance technology to loader buckets and similar earth-working equipment.
- the present invention provides a mechanism for resonantly driving a moveable cutter blade located at the base of a concave tool.
- An angulate beam has first and second legs meeting at a juncture at an included angle of less than 180°.
- the beam includes a mounting flange which extends inwardly from the juncture between the legs.
- the beam has a resonant frequency, when restrained at the mounting flange, with a node at the juncture and first and second anti-nodes at the ends.
- One end of the beam receives a vibratory input at or near the resonant frequency so that the second end vibrates about a neutral position.
- the mounting flange is attached to the tool so that the angulate beam conforms to the concave shape of the tool.
- the neutral position of the second end of the beam is spaced from the back of the cutter blade within striking distance of the blade.
- the input vibration at the first end of the beam causes the second end to vibrate about its neutral position and impart forward impulses to the cutter blade to drive the blade intermittently forward.
- the beam is capable of being mounted to the tool on which the beam operates because of the mounting flange which extends inwardly between the legs of the beam. Accordingly, the angulate beam can be attached directly to the tool, and an outside source of support is not required. Moreover, the beam adapts to the concave shape of the tool, forming a compact unit. As a result, the resonance device of the present invention provides a reasonable alternative to simple actuators now in common use in such devices.
- a mining transporter 10 incorporating the features of the present invention is illustrated by way of reference to Figs. 1-3. However, it is to be understood that the apparatus of the present invention could equally as well be incorporated in other types of earth-moving equipment employing an earth-working tool such as a loading bucket or mold board.
- Mining transporter 10 includes a rear power section 12 and a forward control section 14 connected by articulating joints 16. Hydraulic actuators such as 18 connect sections 12 and 14 of the vehicle for steering.
- a loading bucket 20 is located at the front of transporter 10.
- Loading bucket has a generally concave portion 22 and side walls 23, 24; forming a forwardly and upwardly opening enclosure.
- a pair of lift arms 25, 26 are pivotably attached to the forward section 14 of transporter 10 by pins 27, 28.
- the forward ends of lift arms 25, 26, attach to bucket 20 with a pin connection such as 30.
- Hydraulic cylinders such as 32 run from the forward section 14 of transporter 10 to the midpoint of each lift arm 25, 26 to control vertical movement of loader bucket 20.
- a dump cylinder 34 extends from a post 36 on the forward section 14 of transporter 10 to a pin connection 38 on loader bucket 20.
- Dump cylinder 24 extends or retracts to rotate loader bucket 20 about the pin connections such as 30 on lift arms 25, 26 to move the loader bucket from a forwardly opening loading and unloading position to an upwardly opening carrying position.
- a cutter blade 40 is located at the lower front edge of loader bucket 20, and spans the entire width of the loading bucket. Cutter blade 40 is suspended by a pair of hanger arms 41, 42 having pin connections 43, 44 respectively at the upper portion of the bucket. Accordingly, cutter blade 40 is free to reciprocate forwardly and backwardly with respect to the lower front edge of loading bucket 20.
- a pair of compartments 45, 46 are located at the opposite ends of loading bucket 20.
- Each compartment 45, 46 has a respective forward member 47, 48 having a generally concave configuration.
- Each angulate resonant beam such as 50 is located in each compartment 45, 46. Beams 50 are mirror images of one another and act in unison. Each angulate beam 50 includes a pair of legs 51, 52 meeting at a central juncture 54. Leg 51 has an integral housing 56 at one end, and an eccentric weight oscillator 58 is located within the housing. Leg 52 has an enlarged portion 60 at its free end forming a hammer, described in more detail hereinafter.
- Legs 51, 52 of angulate beam 50 meet at an included angle of preferably about 90°, and in any event substantially less than 180°.
- a flange 62 extends inwardly between legs 51, 52 and bisects the included angle between them.
- a pair of ears 63, 64 extend laterally from flange 62.
- Bolts 65, 66 fasten ears 63, 64 of each beam 50 to the forward surfaces 47, 48 of the respective compartments 45, 46.
- Each compartment such as 45 includes a cavity such as 70 projecting forwardly to the forward edge of loading bucket 20.
- Cutter blade 40 includes a pair of extensions such as 72 extending rearwardly through cavity 70 to a position proximate the front surface of hammer 60 at the end of leg 52.
- a motor is located within a housing 76 at the upper back surface of loading bucket 20.
- the motor has output shafts such as 74 extending transversely in each direction, and the eccentric weight oscillators such as 58 are mounted on the output shafts of the motor.
- Eccentric weight oscillator 58 is rotated at a frequency at or near the resonant frequency of beam 50, exciting the beam to at least near resonance.
- hammer 60 At its neutral or rest position, hammer 60 is spaced slightly behind the extension 72 projecting rearwardly from cutter blade 40.
- hammer 60 at the end of leg 52 vibrates about its neutral position, and strikes the rear of extension 72 during its forward stroke.
- forward impulses are applied to cutter blade 40 to drive the cutter blade forward.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Shovels (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Earth Drilling (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Knives (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Sawing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT80107644T ATE21715T1 (de) | 1980-05-02 | 1980-12-04 | Kompakter resonanzantrieb fuer vorrichtungen zur bodenbewegung. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14592180A | 1980-05-02 | 1980-05-02 | |
US145921 | 1993-10-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0039373A2 true EP0039373A2 (de) | 1981-11-11 |
EP0039373A3 EP0039373A3 (en) | 1982-12-01 |
EP0039373B1 EP0039373B1 (de) | 1986-08-27 |
Family
ID=22515128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP80107644A Expired EP0039373B1 (de) | 1980-05-02 | 1980-12-04 | Kompakter Resonanzantrieb für Vorrichtungen zur Bodenbewegung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0039373B1 (de) |
JP (1) | JPS57238A (de) |
AT (1) | ATE21715T1 (de) |
BR (1) | BR8100552A (de) |
CA (1) | CA1144210A (de) |
DE (1) | DE3071729D1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2602256A1 (fr) * | 1986-07-30 | 1988-02-05 | Koehl Jean Marie | Appareil de terrassement, remblaiement, compactage, battage, arrachage, decoupe d'enrobes a monter sur pelle hydraulique |
EP0326679A1 (de) * | 1988-02-04 | 1989-08-09 | Reno Salvage Company | Mit Resonanzvibrationen angetriebene Erdbewegungsmaschine |
GB2220962A (en) * | 1988-06-10 | 1990-01-24 | Jack Benton Ottestad | Bucket system with percussive penetration member |
US5269382A (en) * | 1992-05-08 | 1993-12-14 | Esco Corporation | Impact device |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5926891A (ja) * | 1982-08-01 | 1984-02-13 | 株式会社タダノ | クレ−ンの作業状態表示装置 |
JPH0291779U (de) * | 1989-01-09 | 1990-07-20 | ||
JP2017048572A (ja) * | 2015-08-31 | 2017-03-09 | 株式会社小松製作所 | 作業機械 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3077999A (en) * | 1960-04-27 | 1963-02-19 | Caterpillar Tractor Co | Multi-purpose loader bucket |
US3238646A (en) * | 1962-08-20 | 1966-03-08 | Caterpillar Tractor Co | Loader bucket with a vibrating blade |
US3645021A (en) * | 1967-09-28 | 1972-02-29 | Svenska Hymas Ab | Arrangement in loader buckets and the like provided with digging blades |
US3795070A (en) * | 1973-03-12 | 1974-03-05 | O Bronson | Multipurpose bucket for heavy-duty construction equipment |
US3857447A (en) * | 1974-01-11 | 1974-12-31 | Caterpillar Tractor Co | Bulldozer blade with vibrating ripper shank |
US3867987A (en) * | 1973-07-13 | 1975-02-25 | Case Co J I | Vibratory bulldozer blade |
WO1979001066A1 (en) * | 1978-05-12 | 1979-12-13 | Gurries Co | Ripping tool driving apparatus |
-
1980
- 1980-12-01 CA CA000365842A patent/CA1144210A/en not_active Expired
- 1980-12-04 AT AT80107644T patent/ATE21715T1/de not_active IP Right Cessation
- 1980-12-04 DE DE8080107644T patent/DE3071729D1/de not_active Expired
- 1980-12-04 EP EP80107644A patent/EP0039373B1/de not_active Expired
-
1981
- 1981-01-30 BR BR8100552A patent/BR8100552A/pt not_active IP Right Cessation
- 1981-04-30 JP JP6615481A patent/JPS57238A/ja active Granted
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3077999A (en) * | 1960-04-27 | 1963-02-19 | Caterpillar Tractor Co | Multi-purpose loader bucket |
US3238646A (en) * | 1962-08-20 | 1966-03-08 | Caterpillar Tractor Co | Loader bucket with a vibrating blade |
US3645021A (en) * | 1967-09-28 | 1972-02-29 | Svenska Hymas Ab | Arrangement in loader buckets and the like provided with digging blades |
US3795070A (en) * | 1973-03-12 | 1974-03-05 | O Bronson | Multipurpose bucket for heavy-duty construction equipment |
US3867987A (en) * | 1973-07-13 | 1975-02-25 | Case Co J I | Vibratory bulldozer blade |
US3857447A (en) * | 1974-01-11 | 1974-12-31 | Caterpillar Tractor Co | Bulldozer blade with vibrating ripper shank |
WO1979001066A1 (en) * | 1978-05-12 | 1979-12-13 | Gurries Co | Ripping tool driving apparatus |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2602256A1 (fr) * | 1986-07-30 | 1988-02-05 | Koehl Jean Marie | Appareil de terrassement, remblaiement, compactage, battage, arrachage, decoupe d'enrobes a monter sur pelle hydraulique |
EP0326679A1 (de) * | 1988-02-04 | 1989-08-09 | Reno Salvage Company | Mit Resonanzvibrationen angetriebene Erdbewegungsmaschine |
GB2220962A (en) * | 1988-06-10 | 1990-01-24 | Jack Benton Ottestad | Bucket system with percussive penetration member |
GB2220962B (en) * | 1988-06-10 | 1992-07-01 | Jack Benton Ottestad | Bucket system with percussive penetration member |
US5269382A (en) * | 1992-05-08 | 1993-12-14 | Esco Corporation | Impact device |
Also Published As
Publication number | Publication date |
---|---|
EP0039373B1 (de) | 1986-08-27 |
ATE21715T1 (de) | 1986-09-15 |
JPS57238A (en) | 1982-01-05 |
JPH0135131B2 (de) | 1989-07-24 |
EP0039373A3 (en) | 1982-12-01 |
BR8100552A (pt) | 1982-01-12 |
DE3071729D1 (en) | 1986-10-02 |
CA1144210A (en) | 1983-04-05 |
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