US140786A - Improvement in hoisting-machines - Google Patents

Improvement in hoisting-machines Download PDF

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Publication number
US140786A
US140786A US140786DA US140786A US 140786 A US140786 A US 140786A US 140786D A US140786D A US 140786DA US 140786 A US140786 A US 140786A
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rope
weight
hoisting
pulley
machines
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D53/00—Brakes with braking members co-operating with both the periphery and the inner surface of a drum, wheel-rim, or the like

Definitions

  • My invention consists, first, in the manner of operating thebrake, viz., by means of a screw-shaft provided with pulley and operating check-rope,l by which the screw-shaft is rotated backward or forward to operate a pivoted brake-lever.
  • My invention consists, second, in the arrangement of a counterbalanceweight in suitable vertical slides at the side of the hatchway, and secured to the platform- ⁇ rope by a pulley or hanger on said rope,
  • connection of the rope and counterbalance-weight is to allow the rope side movement to accommodate its position on the weight to that on the drums when the weight is drawn up in close proximity to the idler-drum, the rope-hanger being then drawn to one end of the bail, and returning to a central position as the rope runs out over the drum and the weight descends, so as to retain a nearly vertical position.
  • Figure l is a rear perspective view of my improvement with parts of the frame-supports removed.
  • Fig. 2 is a detail section of parts of the screw-brake in a modiiied form.
  • A is the platform, of any suitable form and construction, arranged to move on slides A', and provided with safety-dogs a and spring attachments a.
  • B is the platform-rope, secured to the platform, and passing up between the hoisting-drums C C', and around the drum G; then over the idler-drum C', and vertically downward to connect with the counterbalance-weight D.
  • One of the hoisting-drums is formed with a Spiral right-hand? groove, in whichthe rope B lies, and the other drum is formed with a left-hand spiral groove, for the purpose of causing the rope to move in the same direction endwise on both drums 0 C.
  • the drum C is actuated, in the usual manner, by spur-gearin g E, grooved pulley F, and endless rope Gr.
  • the weight D is arranged between slides D', and guided thereon by anti-friction rollers d, and the weight is connected to the end of the rope B by a hanger, H, (secured to the rope,) which passes under the slide rod or bail d', Secured to the weight D.
  • the hanger has an anti-friction roller, h, to allow its free movement beneath the bail d', in accord with the movement of the rope along the drum C.
  • rEhe weight D with its slides D', may be arranged inside the hatchway in places where the hatchway is required to be boxed up, or it ⁇ may befarran ged within a suitable trunk passing through the floors at the side of the hatchway.
  • I is the brake-lever, pivoted at c' in the frame that supports the grooved pulley F.
  • J is the brake-shoe, secured to the lever I.
  • the brake-shoe J operates upon one or both sides of the periphery of pulley F, which may be flanged on one or both sides to give a broader bearing for the rubber or shoe.
  • the lever I is provided with a pivoted boX- nut, t', through which passes the operating screw-Shaft K, supported in proper bearings in the frame of the machine.
  • L is a pulley keyed ⁇ on the screw-Shaft K, around which is wound the operating brake or check rope k, which Should be an endless rope, and which is arranged inside the hatchway, within easy reach of the operator when standing on the platform, in all positions of the latter.
  • the pulley L is supported in a proper bearing to prevent its endwise movement, and is axially screw-threaded to receive the screw-threaded end of the bar K, attached to the sliding block j of the brake-shoe J, and as the pulley is turned by the check-rope 7c the brake is applied to or drawn away from the ,hand-rope pulley F.
  • the pivoted nut if, enabling positive movedrums C C', hanger H h, bail d', and weight ment to be imparted to the brake in both di- D, all arranged substantiallyas and for the reotions. purpose set forth.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Description

P. W. MELLEN.
Hoisting-Machines.
Patented July 15, 1873.
INVENTR: www1/www UNITED STATES ArEN'r EEIcE.A
PETER w. MELLEN, oE ST. LOUIS, MISSOURI.
IMPROVEMENT IN HISTING-MACHINES.
Specification forming part of Letters Patent No. 140,786, dated July l5, 1873; application filed April 2, 1873.
To all whom it may concern:
Be it known that I, PETER W. MELLEN, of the city and county of St. Louis and State of Missouri, have invented a certain Improvement in Hand HoiSting-Machines, of which the following is a Specification:
My invention consists, first, in the manner of operating thebrake, viz., by means of a screw-shaft provided with pulley and operating check-rope,l by which the screw-shaft is rotated backward or forward to operate a pivoted brake-lever. My invention consists, second, in the arrangement of a counterbalanceweight in suitable vertical slides at the side of the hatchway, and secured to the platform- `rope by a pulley or hanger on said rope,
which has free horizontal movement on a slide-rod or bail secured to the top of the weight.
The purpose of the described connection of the rope and counterbalance-weight is to allow the rope side movement to accommodate its position on the weight to that on the drums when the weight is drawn up in close proximity to the idler-drum, the rope-hanger being then drawn to one end of the bail, and returning to a central position as the rope runs out over the drum and the weight descends, so as to retain a nearly vertical position.
Figure l is a rear perspective view of my improvement with parts of the frame-supports removed. Fig. 2 is a detail section of parts of the screw-brake in a modiiied form.
A is the platform, of any suitable form and construction, arranged to move on slides A', and provided with safety-dogs a and spring attachments a. B is the platform-rope, secured to the platform, and passing up between the hoisting-drums C C', and around the drum G; then over the idler-drum C', and vertically downward to connect with the counterbalance-weight D.
One of the hoisting-drums is formed with a Spiral right-hand? groove, in whichthe rope B lies, and the other drum is formed with a left-hand spiral groove, for the purpose of causing the rope to move in the same direction endwise on both drums 0 C.
The drum C is actuated, in the usual manner, by spur-gearin g E, grooved pulley F, and endless rope Gr.
The weight D is arranged between slides D', and guided thereon by anti-friction rollers d, and the weight is connected to the end of the rope B by a hanger, H, (secured to the rope,) which passes under the slide rod or bail d', Secured to the weight D.
The hanger has an anti-friction roller, h, to allow its free movement beneath the bail d', in accord with the movement of the rope along the drum C.
rEhe weight D, with its slides D', may be arranged inside the hatchway in places where the hatchway is required to be boxed up, or it` may befarran ged within a suitable trunk passing through the floors at the side of the hatchway.
I is the brake-lever, pivoted at c' in the frame that supports the grooved pulley F. J is the brake-shoe, secured to the lever I.
The brake-shoe J operates upon one or both sides of the periphery of pulley F, which may be flanged on one or both sides to give a broader bearing for the rubber or shoe.
The lever I is provided with a pivoted boX- nut, t', through which passes the operating screw-Shaft K, supported in proper bearings in the frame of the machine.
L is a pulley keyed `on the screw-Shaft K, around which is wound the operating brake or check rope k, which Should be an endless rope, and which is arranged inside the hatchway, within easy reach of the operator when standing on the platform, in all positions of the latter.
In the'modification Shown in Fig. 2 the pulley L is supported in a proper bearing to prevent its endwise movement, and is axially screw-threaded to receive the screw-threaded end of the bar K, attached to the sliding block j of the brake-shoe J, and as the pulley is turned by the check-rope 7c the brake is applied to or drawn away from the ,hand-rope pulley F.
I claim as my invention-n 1. In combination with the check-rope k, pulley L, screw-Shaft K, lever I, and shoe J,
the pivoted nut if, enabling positive movedrums C C', hanger H h, bail d', and weight ment to be imparted to the brake in both di- D, all arranged substantiallyas and for the reotions. purpose set forth.
2. The combination of the rope B, hanger PETER W. MELLEN. H h, bail or slide-rod d', and weight D, all Witnesses: substantially as and for the purpose set forth. SAML. KNIGHT,
3. The combination of the platform-rope B, ROBERT BURNS.
US140786D Improvement in hoisting-machines Expired - Lifetime US140786A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100288906A1 (en) * 2007-12-10 2010-11-18 Zbigniew Piech Elevator machine frame
US20140314478A1 (en) * 2011-12-16 2014-10-23 Siemag Tecberg Gmbh Traction Sheave Clamping Device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100288906A1 (en) * 2007-12-10 2010-11-18 Zbigniew Piech Elevator machine frame
US8631907B2 (en) * 2007-12-10 2014-01-21 Otis Elevator Company Elevator machine frame
US9457994B2 (en) 2007-12-10 2016-10-04 Otis Elevator Company Method of assembling an elevator machine frame
US20140314478A1 (en) * 2011-12-16 2014-10-23 Siemag Tecberg Gmbh Traction Sheave Clamping Device
US9732777B2 (en) * 2011-12-16 2017-08-15 Siemag Tecberg Gmbh Traction sheave clamping device

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