EP0324127B1 - Gerät mit Seiltrommel zum selbstgesteuerten Hochziehen oder Herunterlassen einer Person - Google Patents

Gerät mit Seiltrommel zum selbstgesteuerten Hochziehen oder Herunterlassen einer Person Download PDF

Info

Publication number
EP0324127B1
EP0324127B1 EP88121064A EP88121064A EP0324127B1 EP 0324127 B1 EP0324127 B1 EP 0324127B1 EP 88121064 A EP88121064 A EP 88121064A EP 88121064 A EP88121064 A EP 88121064A EP 0324127 B1 EP0324127 B1 EP 0324127B1
Authority
EP
European Patent Office
Prior art keywords
main shaft
pinion
wheel
cable drum
drive
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.)
Expired - Lifetime
Application number
EP88121064A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0324127A3 (en
EP0324127A2 (de
Inventor
Marco Bachmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT88121064T priority Critical patent/ATE76385T1/de
Publication of EP0324127A2 publication Critical patent/EP0324127A2/de
Publication of EP0324127A3 publication Critical patent/EP0324127A3/de
Application granted granted Critical
Publication of EP0324127B1 publication Critical patent/EP0324127B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
    • B66D3/16—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable operated by an endless chain passing over a pulley or a sprocket

Definitions

  • the invention relates to a device according to the preamble of claim 1, in particular also for the self-controlled lifting or lowering of a person.
  • a chain block and tackle is known from DE-A-24 22 959, with a load sprocket rotatably mounted in a housing between support plates and a hand sprocket connected to the latter via a reduction gear for corresponding rotation.
  • This device is intended for stationary use by hanging it on a support hook at a suitable work place in order to move a load attached to its load hook in a vertical direction by means of a hand chain.
  • Similar arrangements are shown in the devices known from GB-A-731 352 and DE-C-312 155, in which, in contrast to the first-mentioned pulley block, a crank takes the place of the hand chain for its actuation.
  • FR-A-1 108 825 also shows a pulley system, the position of which does not change during use.
  • these known pulleys use self-locking gears or ratchet wheels.
  • the object of the invention is therefore to create a device which enables an individual to move independently and independently at any altitude and to have both hands freely available.
  • a cable drum 3 for a supporting line 5 is rotatably mounted on the needle shaft 1 on the main shaft 2 of the device. It is wound between side windows 4.
  • Carrier plates 6 form the frame of the device, to which a housing 7 with the two side covers 8, 9 and a suspension bracket 10 with a ring 11 is attached.
  • Fig. 2 there is a control and drive mechanism 12 on the left with a safety mechanism 13 and on the right side a gear 14 for winding and unwinding the suspension line 5, on which e.g. a boatswain's chair can be attached.
  • the control and drive mechanism 12 consists of a drive wheel 15 with a circumferential groove 150 for receiving the drive cable 16.
  • the wheel 15 is firmly seated on a sleeve-shaped hub 17 which, with its internal thread 18, engages with an external thread 19 of the main shaft 2 and is in contact therewith can move axially.
  • These threads are strongly dimensioned and have a large pitch and high flanks, in particular to absorb larger forces.
  • a flange sleeve 20 with the thread 209 is screwed on.
  • the ratchet wheel 21 has a friction lining 210 and 211 on both sides and close to the central bore, which come into operative connection with the hub 17 and the flange 3.
  • the gear 14 shown on the right-hand side in FIG. 2 consists of a pinion 25 which is rigidly seated on the main shaft 2 and engages with the larger gear 26 of a double wheel 27 3 fixed ring gear 29 in engagement.
  • the double gear 27 is rotatably supported by needle bearings 30 on a cylindrical pin 31 arranged fixed in the carrier plate 6.
  • the double gear 27 has an outwardly extending pin 32 with a square 33 for a hand crank belonging to the device.
  • a rectangular plate 34 which is perpendicular to the main shaft 2 and is mounted on the latter, is provided, which is provided with a threaded pin 35 which extends from the side cover 8 and can be adjusted via a nut 36 and has a ball handle 37.
  • the side cover 8 When the side cover 8 is in place, the four corners of the plate rest on the inside and the ball handle 37 on the outside of the side cover 8, so that the plate 34 cannot pivot.
  • the plate 34 can be pivoted on the main shaft 2, the pawls 24 being able to be pivoted out of the region of the catches 22 by means of screws 38 fastened thereon and resting on the plate 34.
  • the pawls 24 then no longer arrest the movement of the cable drum 3 and this can be rotated directly in high speed via the pin 32, which serves to quickly wind or unwind the carrying cable to assemble the device.
  • the side cover 8 When the side cover 8 is put on, which together with the recessed cover part 80 serves to cover the open groove 150 of the drive wheel 15 which receives the drive cable 16, both the running of the drive cable 16 and the ratchet function are ensured.
  • the main functions of the device are as follows: When using the device, the support line 5 must first be rolled out of the device, according to the height at which the device is to be attached to a fixed part. For the time being, the side cover 8 is to be removed in order to enable the movement of the locking plate 34. The locking plate is then pivoted on the main shaft 2 by means of the ball handle 37. The locking plate 34 lifts the pawls 24 out of the catches via the screws 38. The device stands for the suspension line 5 in freewheel mode. When the side cover is lifted off, the drive cable 16 is inserted into the groove 150 of the drive wheel 15. By mounting the side cover 8, both the position of the drive cable and the function of the securing mechanism, ie the pawl function, are secured.
  • the person using the device hangs over a safety harness, e.g. a boatswain's chair at the lower end of the suspension line 5.
  • a safety harness e.g. a boatswain's chair at the lower end of the suspension line 5.
  • the hub 17 is displaced to the right via its thread 18 on the thread 19 of the main shaft 2 until it comes into contact with the brake pad 210 of the ratchet wheel 21 and at the same time the brake pad 211 is pressed onto the flange sleeve 20, both of which the ratchet wheel 21, as well as, via the flange sleeve 20 and the threaded parts 19 and 209, the main shaft 2 is driven by the friction forces that occur.
  • the hub 17 By pulling on the other strand of the drive cable 16, the hub 17 is moved to the left via its thread 18 on the thread 19 of the main shaft 2, i.e. moved away from the brake pad 210, wherein the rotary movement of the nut thread of the hub triggers a rotary movement of the main shaft 2, this time in the opposite direction, via the interlocking threads 18, 19.
  • the displacement of the hub of the drive wheel to the left is limited by its stop on the cylindrical plug 200 of the main shaft 2.
  • the hub on the stopper 200 By hitting the hub on the stopper 200, the rotational movement of the main shaft in the sense of lowering the suspension line is increased via the two threads 18, 19.
  • the hub blocks the rotation of the main shaft. This shifts the hub to the left again and the brake function of the brake pads is immediate. The height of the suspension line is maintained.
  • the height position is only changed if the drive cable is pulled in one direction or the other.
  • the drive cable runs in the device via the drive wheel.
  • the device cover guides the drive cable tightly over the drive wheel and thus prevents the cable from jumping out, even if the device should hang at an angle or move.
  • the device After completion of the work, the device is brought in and the supporting line 5 is drawn in with the aid of the crank placed on the crank pin 32.
  • the support line can be pulled out by hand by pulling on the line, and, as already described, the pawls 24 can be disengaged using the plate 34.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Lowering Means (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
EP88121064A 1988-01-14 1988-12-16 Gerät mit Seiltrommel zum selbstgesteuerten Hochziehen oder Herunterlassen einer Person Expired - Lifetime EP0324127B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88121064T ATE76385T1 (de) 1988-01-14 1988-12-16 Geraet mit seiltrommel zum selbstgesteuerten hochziehen oder herunterlassen einer person.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH114/88A CH674642A5 (enrdf_load_stackoverflow) 1988-01-14 1988-01-14
CH114/88 1988-01-14

Publications (3)

Publication Number Publication Date
EP0324127A2 EP0324127A2 (de) 1989-07-19
EP0324127A3 EP0324127A3 (en) 1990-02-28
EP0324127B1 true EP0324127B1 (de) 1992-05-20

Family

ID=4179574

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88121064A Expired - Lifetime EP0324127B1 (de) 1988-01-14 1988-12-16 Gerät mit Seiltrommel zum selbstgesteuerten Hochziehen oder Herunterlassen einer Person

Country Status (5)

Country Link
EP (1) EP0324127B1 (enrdf_load_stackoverflow)
AT (1) ATE76385T1 (enrdf_load_stackoverflow)
CH (1) CH674642A5 (enrdf_load_stackoverflow)
DE (1) DE3871360D1 (enrdf_load_stackoverflow)
ES (1) ES2031576T3 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114162745B (zh) * 2021-12-15 2023-08-29 山东聊建现代建设有限公司 一种建筑工程用升降装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE312155C (enrdf_load_stackoverflow) *
FR575484A (fr) * 1924-01-08 1924-07-30 Palan à engrenages droits
GB731352A (en) * 1951-12-12 1955-06-08 Safway Steel Products Inc Winch
FR1098198A (fr) * 1954-01-13 1955-07-19 Palan
FR1108825A (fr) * 1954-07-08 1956-01-18 Yale & Towne Mfg Co Perfectionnements aux treuils
US3369795A (en) * 1966-03-08 1968-02-20 Fujita Naoyuki Hoisting device
JPS5227808Y2 (enrdf_load_stackoverflow) * 1973-05-14 1977-06-24
JPS58172194A (ja) * 1982-04-05 1983-10-08 バイタル工業株式会社 捲上機
JPS59195193U (ja) * 1983-06-10 1984-12-25 象印チエンブロツク株式会社 捲上機

Also Published As

Publication number Publication date
EP0324127A3 (en) 1990-02-28
CH674642A5 (enrdf_load_stackoverflow) 1990-06-29
ES2031576T3 (es) 1992-12-16
ATE76385T1 (de) 1992-06-15
DE3871360D1 (de) 1992-06-25
EP0324127A2 (de) 1989-07-19

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