DE188198C - - Google Patents
Info
- Publication number
- DE188198C DE188198C DENDAT188198D DE188198DA DE188198C DE 188198 C DE188198 C DE 188198C DE NDAT188198 D DENDAT188198 D DE NDAT188198D DE 188198D A DE188198D A DE 188198DA DE 188198 C DE188198 C DE 188198C
- Authority
- DE
- Germany
- Prior art keywords
- boom
- spindles
- counterweight
- hand
- moment
- 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.)
- Active
Links
- 230000035882 stress Effects 0.000 description 4
- 239000000969 carrier Substances 0.000 description 2
- 230000003247 decreasing Effects 0.000 description 2
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
- B66C2700/0392—Movement of the crane arm; Coupling of the crane arm with the counterweights; Safety devices for the movement of the arm
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
DE188198C true DE188198C (zh) |
Family
ID=451830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT188198D Active DE188198C (zh) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE188198C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2652543A1 (de) * | 1975-11-19 | 1977-05-26 | Buzzichelli | Hebevorrichtung mit einem auslegerarm und einer gegengewichtsauflage mit jeweils einstellbaren positionen |
-
0
- DE DENDAT188198D patent/DE188198C/de active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2652543A1 (de) * | 1975-11-19 | 1977-05-26 | Buzzichelli | Hebevorrichtung mit einem auslegerarm und einer gegengewichtsauflage mit jeweils einstellbaren positionen |
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