DE80474C - - Google Patents
Info
- Publication number
- DE80474C DE80474C DENDAT80474D DE80474DA DE80474C DE 80474 C DE80474 C DE 80474C DE NDAT80474 D DENDAT80474 D DE NDAT80474D DE 80474D A DE80474D A DE 80474DA DE 80474 C DE80474 C DE 80474C
- Authority
- DE
- Germany
- Prior art keywords
- countershaft
- pawls
- cross
- disc
- lying
- 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
- 238000004804 winding Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/03—Mechanisms with latches or braking devices in general for capstans, hoists or similar devices as well as braking devices actuated electrically or by fluid under pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Die Sperrvorrichtung besteht aus einem Sperrzahnkranz a, welcher am Gestell des Hebezeuges befestigt und zur Vorgelegewelle D desselben centrisch angeordnet ist. Auf dieser Welle D sitzt aufgekeilt die Scheibe b, die an • der vorderen Seite vier Nocken hat. Zwischen letzteren sitzt auf der Vorgelegewelle D lose drehbar das Mitnehmerkreuz c, auf dessen Nabe, das Zahnrad Z, welches mit dem auf der Kurbelwelle D1 festsitzenden Zahnrad Z1 in Eingriff steht, durch einen Keil befestigt ist. Zwischen der Scheibe b und der Deckscheibe d sind die Sperrklinken Z um Bolzen drehbar angebracht, und zwar paarweise zwischen je zwei der erwähnten Nocken und entgegengesetzt liegend. Die Drehbolzen der Sperrklinken dienen zugleich als Stehbolzen für die beiden Scheiben b und d. Erfolgt die Bewegung von der Kurbel D1 aus, also zum Zwecke des Aufwindens der Last, so bekommt das Kreuz c einen Vorlauf gegen die Scheibe b und hebt dadurch jedesmal die vor den Armen des Kreuzes liegenden Sperrklinken e ... aus dem Sperrkranz α aus und gestattet dadurch eine Drehung der Vorgelegewelle und somit der Aufwindetrommel. Die hinter den Kreuzarmen liegenden Sperrklinken gleiten hierbei über die Zähne des Sperrkranzes und fallen bei Stillstand der Kurbel sofort in den Sperrkranz ein, wodurch die Abwärtsbewegung der Last gehemmt wird.The locking device consists of a locking ring gear a, which is attached to the frame of the hoist and is arranged centrically to the countershaft D of the same. The disk b, which has four cams on the front side, sits keyed on this shaft D. Between the latter sits on the countershaft D loosely rotatably the driver cross c, on the hub of which the gear Z, which is in engagement with the gear Z 1 fixed on the crankshaft D 1 , is fastened by a wedge. Between the disk b and the cover disk d , the pawls Z are mounted rotatably about bolts, in pairs between each two of the cams mentioned and lying opposite. The pivot bolts of the pawls also serve as stud bolts for the two disks b and d. If the movement takes place from the crank D 1 , i.e. for the purpose of winding up the load, the cross c gets a forward movement against the disc b and thereby each time lifts the pawls e ... lying in front of the arms of the cross out of the ratchet α and thereby allows the countershaft and thus the winding drum to rotate. The pawls behind the cross arms slide over the teeth of the ratchet and immediately fall into the ratchet when the crank comes to a standstill, inhibiting the downward movement of the load.
Claims (1)
Publications (1)
Publication Number | Publication Date |
---|---|
DE80474C true DE80474C (en) |
Family
ID=353024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT80474D Active DE80474C (en) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE80474C (en) |
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0
- DE DENDAT80474D patent/DE80474C/de active Active
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