SU89248A1 - Device with a movable counterweight for jib cranes - Google Patents
Device with a movable counterweight for jib cranesInfo
- Publication number
- SU89248A1 SU89248A1 SU417297A SU417297A SU89248A1 SU 89248 A1 SU89248 A1 SU 89248A1 SU 417297 A SU417297 A SU 417297A SU 417297 A SU417297 A SU 417297A SU 89248 A1 SU89248 A1 SU 89248A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- jib cranes
- movable counterweight
- counterweight
- lever
- boom
- Prior art date
Links
Landscapes
- Jib Cranes (AREA)
Description
Известны примен емые в стреловых кранах с подвижными противовесами устройства, служащие дл автоматического перемещени противовеса .Known devices used in jib cranes with movable counterweights are those used to automatically move the counterweight.
Известные устройства, выполненные в виде прикрепленного к платформе крана двуплечего рычага, одно плечо которого св зано т гой со стрелой, а второе несет противовес, имеют недостаток, заключающийс в том, что они реагируют на изменение вылета, но не реагируют на изменение веса поднимаемого .The known devices, made in the form of a two-arm lever attached to the platform, one shoulder of which is connected with the boom and the other carries a counterweight, have the disadvantage that they react to the change of departure but do not react to the change in the weight of the lifted one.
В предлагаемом устройстве этот недостаток устранен применением дополнительных рычагов, нахо,д 1цихс под воздс11ствием грузового каната .In the proposed device, this drawback is eliminated by the use of additional levers, located under the influence of a cargo rope.
Иа чертеже изображена схема ycTpoiicTBa.Figure 1 shows a diagram of ycTpoiicTBa.
Противовес 1 закреплен на конце рычажной системы, состо щей из двух рычагов 2 и 5, соединенных между собой шарниром 4. Рычаг 2 закреплен щарнирно на осп 5 портала платформы крана и снабжен шарниром (J, который соединен распоркой 7 с rpyaoBoii стрелой 8 крана шарниром .9. Противовес / посто нпо отт гивает систему вниз и сжимает распорку 7. При увеличепии вылета грузовой стрелы 8 распорка 7 иеремещаетс в сторону стрелы, дава51 возможность концу рычага 2 опуститьс , тем самым увеличива плечо протпзовеса. При подъеме грузовой стрелы шарнир 9 нажимает на распорку 7, котора поднимает рычаг 2, тем самым уменьша плечо противовеса.The counterweight 1 is attached to the end of the lever system consisting of two levers 2 and 5 interconnected by a hinge 4. The lever 2 is fixed hingedly on the pox 5 of the portal of the crane platform and provided with a hinge (J, which is connected by a strut 7 to the rpyaoBoii boom 8 of the hinge. 9. Counterweight / constant deflecting the system down and squeezing the strut 7. When the boom 8 is extended, the strut 7 moves to the boom side, allowing the end of the lever 2 to go down, thereby increasing the arm of the propshaft. When lifting the boom, the hinge 9 presses on spore 7, which raises the lever 2, thereby reducing the weight of the counterweight.
Па оси 5 портала расположен бло1ч 1C и дв плечий рычаг //.Pa axis 5 of the portal is located block 1C and two arms lever //.
На втором конце двуплечего рычага 11 закреплен блок 13. Один конец двуплечего рычага соедпнен щарнирно с т гой 12, второй конецAt the second end of the two shoulders lever 11, block 13. is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU417297A SU89248A1 (en) | 1950-04-28 | 1950-04-28 | Device with a movable counterweight for jib cranes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU417297A SU89248A1 (en) | 1950-04-28 | 1950-04-28 | Device with a movable counterweight for jib cranes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU89248A1 true SU89248A1 (en) | 1950-11-30 |
Family
ID=48260548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU417297A SU89248A1 (en) | 1950-04-28 | 1950-04-28 | Device with a movable counterweight for jib cranes |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU89248A1 (en) |
-
1950
- 1950-04-28 SU SU417297A patent/SU89248A1/en active
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