EP0080564A2 - Clé dynamométrique - Google Patents

Clé dynamométrique Download PDF

Info

Publication number
EP0080564A2
EP0080564A2 EP82108087A EP82108087A EP0080564A2 EP 0080564 A2 EP0080564 A2 EP 0080564A2 EP 82108087 A EP82108087 A EP 82108087A EP 82108087 A EP82108087 A EP 82108087A EP 0080564 A2 EP0080564 A2 EP 0080564A2
Authority
EP
European Patent Office
Prior art keywords
torque wrench
screwing tool
torque
pulse generator
spray gun
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.)
Withdrawn
Application number
EP82108087A
Other languages
German (de)
English (en)
Other versions
EP0080564A3 (fr
Inventor
Klaus Gerlach
Heinz Schönberger
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.)
Prosperas GmbH
Original Assignee
Saltus Werk Max Forst GmbH
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 Saltus Werk Max Forst GmbH filed Critical Saltus Werk Max Forst GmbH
Publication of EP0080564A2 publication Critical patent/EP0080564A2/fr
Publication of EP0080564A3 publication Critical patent/EP0080564A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/15—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers having a mechanism to mark the work when the selected torque is applied to the work

Definitions

  • the invention relates to a torque wrench with a locking device which is arranged between the actuating handle and the screwing tool and which, when a certain torque is exceeded, enters the release position.
  • the object of the invention is based on the object of designing a torque wrench of the type required so that only the screw connections produced with the required torque receive an optical marking.
  • This object is achieved in that in the area of the locking device a pulse generator actuated upon transition to the free position and in the area of the screwing tool carrier a paint spray gun controlled by the pulse generator is arranged, the spray jet of which is directed into the attack area of the screwing tool.
  • a generic torque wrench of increased utility value is specified. It is now ensured that only the screw connection that has been generated by means of the specific torque is marked. If the corresponding torque is exceeded, it is in the area of the locking device intended pulse generator actuated. This in turn controls the paint spray gun provided on the tool carrier, which generates the color marking on the screw connection. If the torque is not reached, the screw connection is not color-coded. It is possible to retrofit torque wrenches with such a device.
  • the spray gun is arranged coaxially with the screwing tool and is directed with its opening into the screwing tool nut.
  • the color marking then appears directly on the screw connection itself.
  • the paint spray jet passes through the hollow nut.
  • the subsequent equipping of a torque wrench is favored in that the spray gun sits on an angle piece of the screwing tool carrier.
  • the structure of the screw tool carrier does not need to be changed.
  • the elbow is fixed by simply clamping it to the screw tool carrier.
  • the spray gun is equipped with an adjustment device for the spreading width of the spray jet.
  • the size of the color markings can be varied.
  • the torque wrench has an actuating handle 1, which starts from a thickened head 2.
  • the head 2 supports a pivoting tool carrier arm 4 around a pivot pin 3.
  • the latter carries a ratchet head 5 which can be fitted with a nut 6 in a known manner.
  • the latter is hollow.
  • an angle piece 7 is clamped on.
  • one angle leg 7 ' engages around the screwing tool carrier arm 4 like a jaw.
  • the other angle leg 7 "holds a paint spray gun 8.
  • the latter is arranged coaxially with the screwing tool in such a way that the opening 9 is directed into the screwing tool nut 6.
  • the connector 10 is connected to a paint line 13.
  • a spray air line 14 leads to the connector 11, and a control air line 15 extends from the connector 12.
  • These three hose lines 13, 14 and 15 pass through a housing 16 fastened to the actuating handle head 2 and are covered from there by a protective hose 17.
  • the latter ends in a connecting sleeve 18, which in turn is assigned to a switch box 19.
  • the control box 19 is the carrier of a paint container 20. Both a compressed air line 21 and a paint line 22 open into these.
  • the control box 19 receives the control impulse from a pulse generator 24 fixed in the housing 16 by means of the screw 23. Its switch button 25 lies within the movement path of the screw-tool carrier arm 4 '.
  • an adjusting device is provided in the actuating handle 1. This includes a pointer 26 which interacts with a scale 27.
  • the screwing tool carrier 4 kinks into the position shown in broken lines in FIG. 1 when a specific torque is exceeded.
  • the pulse generator housed in the area of the locking device in the housing 16 is actuated by the screw tool carrier arm 4 '. This gives the control box 19 a pulse. From here, the paint spray gun 8 is controlled such that a spray jet S passes through the nut 6 and reaches the screw connection.
  • the paint spray gun 8 is equipped with an adjusting device. By turning the adjusting knob 28, the spread of the spray jet S can be increased or decreased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Nozzles (AREA)
EP82108087A 1981-11-30 1982-09-02 Clé dynamométrique Withdrawn EP0080564A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8134888U 1981-11-30
DE19818134888 DE8134888U1 (de) 1981-11-30 1981-11-30 Drehmomentschluessel

Publications (2)

Publication Number Publication Date
EP0080564A2 true EP0080564A2 (fr) 1983-06-08
EP0080564A3 EP0080564A3 (fr) 1984-05-02

Family

ID=6733464

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82108087A Withdrawn EP0080564A3 (fr) 1981-11-30 1982-09-02 Clé dynamométrique

Country Status (2)

Country Link
EP (1) EP0080564A3 (fr)
DE (1) DE8134888U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4231265A1 (de) * 1992-09-18 1994-03-24 Audi Ag Farbauftragsvorrichtung für einen Drehmomentschlüssel
WO2016146367A1 (fr) * 2015-03-19 2016-09-22 Bayerische Motoren Werke Aktiengesellschaft Outil de montage ayant une fonction de marquage et procédé de création de marquages dans des éléments de fixation au moyen d'un outil de montage

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009371A (en) * 1960-05-11 1961-11-21 Albert O Hines Automatic work marking means for predetermined torque release wrench
DE1603760A1 (de) * 1966-12-03 1971-01-14 Daimler Benz Ag Drehmomentschluessel
US3693483A (en) * 1971-04-12 1972-09-26 Oakley Butler Palmer Torque power wrench marking device
US3719111A (en) * 1971-05-27 1973-03-06 Carco Inc Marking device for torque applying tool
DE2530077A1 (de) * 1975-07-05 1977-02-03 Daimler Benz Ag Drehmomentschluessel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009371A (en) * 1960-05-11 1961-11-21 Albert O Hines Automatic work marking means for predetermined torque release wrench
DE1603760A1 (de) * 1966-12-03 1971-01-14 Daimler Benz Ag Drehmomentschluessel
US3693483A (en) * 1971-04-12 1972-09-26 Oakley Butler Palmer Torque power wrench marking device
US3719111A (en) * 1971-05-27 1973-03-06 Carco Inc Marking device for torque applying tool
DE2530077A1 (de) * 1975-07-05 1977-02-03 Daimler Benz Ag Drehmomentschluessel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4231265A1 (de) * 1992-09-18 1994-03-24 Audi Ag Farbauftragsvorrichtung für einen Drehmomentschlüssel
WO2016146367A1 (fr) * 2015-03-19 2016-09-22 Bayerische Motoren Werke Aktiengesellschaft Outil de montage ayant une fonction de marquage et procédé de création de marquages dans des éléments de fixation au moyen d'un outil de montage
CN107000180A (zh) * 2015-03-19 2017-08-01 宝马股份公司 具有标记功能的安装工具以及用于借助安装工具在紧固元件中设置标记的方法
US10836021B2 (en) 2015-03-19 2020-11-17 Bayerische Motoren Werke Aktiengesellschaft Assembly tool comprising a marking function and method for forming markings in fastening elements by means of an assembly tool

Also Published As

Publication number Publication date
DE8134888U1 (de) 1982-04-08
EP0080564A3 (fr) 1984-05-02

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19850413

RIN1 Information on inventor provided before grant (corrected)

Inventor name: GERLACH, KLAUS

Inventor name: SCHOENBERGER, HEINZ