EP0874096A1 - Maschine und Verfahren zum Quetschen von einer Müffe an einem Betonstahl - Google Patents

Maschine und Verfahren zum Quetschen von einer Müffe an einem Betonstahl Download PDF

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Publication number
EP0874096A1
EP0874096A1 EP97490012A EP97490012A EP0874096A1 EP 0874096 A1 EP0874096 A1 EP 0874096A1 EP 97490012 A EP97490012 A EP 97490012A EP 97490012 A EP97490012 A EP 97490012A EP 0874096 A1 EP0874096 A1 EP 0874096A1
Authority
EP
European Patent Office
Prior art keywords
coupler
concrete
crimping
machine
shaft
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.)
Granted
Application number
EP97490012A
Other languages
English (en)
French (fr)
Other versions
EP0874096B1 (de
Inventor
Jean-Marie Pithon
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.)
DEXTRA HOLDING
Original Assignee
Dextra Europe SA
Dextra Europe SA
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 Dextra Europe SA, Dextra Europe SA filed Critical Dextra Europe SA
Priority to EP19970490012 priority Critical patent/EP0874096B1/de
Priority to DE1997604108 priority patent/DE69704108T2/de
Priority to TW87105962A priority patent/TW405008B/zh
Priority to RU98107906A priority patent/RU2159312C2/ru
Publication of EP0874096A1 publication Critical patent/EP0874096A1/de
Application granted granted Critical
Publication of EP0874096B1 publication Critical patent/EP0874096B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162—Connectors or means for connecting parts for reinforcements
    • E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
    • E04C5/165—Coaxial connection by means of sleeves
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/122—Machines for joining reinforcing bars

Definitions

  • Another disadvantage of devices and current crimping processes is that they make it difficult access to certification as part of a policy quality assurance.
  • this invention has various advantages and in particular provides for the using fully automatic means to carry out the crimping and tensile testing.
  • the entire cycle of crimping which includes the fitting of the fitted coupler on the concrete rod in the machine and the spinning operation proper, takes place without human intervention as soon as the cycle is started and fully automatic.
  • the set of parameters which involved in the crimping and testing cycle traction is set by the operator's choice of the type of sector to be implemented.
  • the device according to the invention manages all of the values to give to the cycle parameters. So we avoid everything risk of user error, particularly in the choice of preset charge level at which the connection will be tested coupler on concrete rod. Consequently, the quality of the crimping and ensuring its mechanical resistance to traction are further enhanced.
  • Another advantage of the combination in the same machine of automatic crimping means and means automatic tensile testing is being able to test individually all coupler connections on round to concrete.
  • the present invention provides a full traceability of each coupler - round to concrete.
  • the machine (1) for crimping a coupler (27) on a concrete ring (28) comprises automatic crimping means and automatic means tensile testing. These automatic means allow the crimping of couplers (27) on rounds concrete (28) while ensuring the quality of the connections.
  • the hollow cylinder (19) will be of current design and positioned as illustrated in Figure 1.
  • the envelope (35) of the hollow cylinder (19) will preferably be shaped cylindrical hollow and could be made up of different materials such as standard steel.
  • the envelope external (35) allows the fixing of the hollow cylinder (19) on the structure (40) of the machine (1).
  • the means of rotation (9, 26) of the shaft (33) are constituted by a motor (9) driving in rotation a transmission shaft (26).
  • the transmission shaft (26) is linked in rotation with the tree (33) so as to drive it.
  • the means of placing (2, 3, 9, 15, 16, 19, 26 and 33) of the coupler (27) comprises a motor (9), a shaft of transmission (26), a shaft (33) and a screwing tool (2)
  • the fitting of the coupler (27) can be carried out by the automatic screwing of the threaded part (29) of the coupler (27) on the threaded part of the screwing tool (2) by the rotation of the shaft assembly (33) - screwing tool (2) by means of the motor (9) and the drive shaft (26).
  • the invention comprises reaction means (3) of the translation of the shaft (33).
  • reaction means (3) could for example be constituted by a pneumatic or hydraulic cylinder (3) mounted at the end of the drive shaft (26) and applying at the upper end (36) of the shaft (33).
  • the die holder crown (8) is integrally mounted with the translation means (13) of the spinning tool (37).
  • the die holder crown (8) is driven by three spinning cylinders (13) exerting a thrust distributed in three points of the circumference of the die holder crown so as to translate the following the axis of the coupler.
  • the machine (1) for crimping a coupler (27) on a concrete ring (28) according to the invention comprises also automatic means of tensile testing.
  • the vice (12) comprises jaws (21) with inclined reach allowing the complete blocking of the concrete reinforcing bar (28) during the test of traction.
  • Figure 1 shows jaws (21) based on an inclined bearing secured to the structure (40) of the machine (1).
  • the jaws (21) will be of common design and preferably have faces capable of press on the outside diameter of the concrete bars (28).
  • the locking means (11) biasing means (14) in traction of the coupler (27).
  • the biasing means (14) with a part intermediate (18).
  • the coin intermediate (18) is placed between the outer casing (35) of the hollow cylinder (19) and the shaft (33).
  • the intermediate piece (18) constitutes a guide for the displacement of the shaft (33) in order to provide the means for shaft guide (33).
  • the intermediate piece (18) is fixed on the hollow piston of the jack (19) which can translate in the outer casing (35).
  • the hollow cylinder (19) is formed of an outer casing (35), of a part intermediate (18) integral with its piston and the shaft (33).
  • the biasing means (14) are then produced by the translation of the intermediate piece (18) in the outer casing (35) of the hollow cylinder (19). This translation will be done by blocking the mobility of the tree (33) with respect to the intermediate piece (18) and in particular by means of a shoulder (48) formed on the shaft (33) intended to come into abutment on a dish made on the intermediate piece (18).
  • the motor (9) and the drive shaft (26) are held by means of a support integral with the part intermediate (18). That way when trying to traction, it is the assembly constituted by the screwing tool (2), the shaft (33), the intermediate piece (18), the shaft of transmission (26) and the motor (9) which is driven by a translation along the axis of the coupler.
  • Figure 1 shows schematically the realization of a cylinder central reminder (20) whose piston is likely to shock absorbing support on the intermediate piece (18).
  • Bars (52) and crowns (49, 50, 51) may for example be made of a type steel current.
  • the programmable controller allows to direct the sequential sequence of all crimping operations and tensile testing. This automaton will be designed current and programmable type.
  • a combination of state detection position sensors (17) corresponds to a die (7) and therefore to a diameter of the coupler (27).
  • the message composes binary information from position sensors (17) can be transmitted to the PLC in order to adapt accordingly the parameters of the crimping cycle and of tests.
  • the programmable controller also allows to record during the tensile test the evolution of the tensile force and the displacement of the means of solicitation (14). It is therefore possible to save the data from each tensile test.
  • the method of crimping a coupler (27) on a concrete ring (28) allows automation of the crimping of couplers (27) on concrete reinforcing bars (28) while ensuring the quality of connections.
  • the crimping machine (1) allows, by automatic operation, to obtain connections by crimping couplers (27) on concrete rod (28) completely safe.
  • the position sensor (16) moves to the position rest as soon as the upper end (36) of the shaft (33) has translated.
  • position sensor (15) it is activated and triggers the rotation of the motor (9).
  • the motor (9) drives through the shaft of transmission (26) the shaft (33) and the screwing tool (2).
  • the threaded part (29) of the coupler (27) begins to be screwed on the screwing tool (2).
  • the vice (11) is then controlled by the control cylinder (12).
  • the control cylinder (12) causes the translation of the jaws (21) which come to bear on the diameter of the concrete ring (28).
  • the spinning cylinders (13) then return to initial position.
  • the half shells (4) are then or at the same time cleared from the circumference of the circle (28) by control of the radial translation cylinders (5).

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Labeling Devices (AREA)
EP19970490012 1997-04-25 1997-04-25 Maschine und Verfahren zum Quetschen von einer Müffe an einem Betonstahl Expired - Lifetime EP0874096B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19970490012 EP0874096B1 (de) 1997-04-25 1997-04-25 Maschine und Verfahren zum Quetschen von einer Müffe an einem Betonstahl
DE1997604108 DE69704108T2 (de) 1997-04-25 1997-04-25 Maschine und Verfahren zum Quetschen von einer Müffe an einem Betonstahl
TW87105962A TW405008B (en) 1997-04-25 1998-04-18 Device for coaxially connecting a coupler to a reinforcement bar
RU98107906A RU2159312C2 (ru) 1997-04-25 1998-04-22 Устройство для соосного соединения муфты с армирующим прутком

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19970490012 EP0874096B1 (de) 1997-04-25 1997-04-25 Maschine und Verfahren zum Quetschen von einer Müffe an einem Betonstahl

Publications (2)

Publication Number Publication Date
EP0874096A1 true EP0874096A1 (de) 1998-10-28
EP0874096B1 EP0874096B1 (de) 2001-02-21

Family

ID=8230064

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970490012 Expired - Lifetime EP0874096B1 (de) 1997-04-25 1997-04-25 Maschine und Verfahren zum Quetschen von einer Müffe an einem Betonstahl

Country Status (4)

Country Link
EP (1) EP0874096B1 (de)
DE (1) DE69704108T2 (de)
RU (1) RU2159312C2 (de)
TW (1) TW405008B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103741887A (zh) * 2013-12-20 2014-04-23 青岛森林金属制品有限公司 锥套锁紧式钢筋连接接头及其安装工具
CN107088747A (zh) * 2017-06-27 2017-08-25 鲁泽良 一种钢筋直螺纹套筒自动连接机
CN110080536A (zh) * 2019-05-29 2019-08-02 何艳 一种基于钢筋套筒连接的钢筋转动连接方法
CN112846817A (zh) * 2021-02-24 2021-05-28 东港市英硕机械有限公司 通过螺纹钢筋直径制造相应连接套筒内螺纹的装置及方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108723266A (zh) * 2018-06-29 2018-11-02 中民筑友有限公司 一种螺纹钢筋加工及套筒安装设备

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728771A (en) * 1971-04-15 1973-04-24 Crawford Fitting Co Apparatus for swaging and testing ferrules
DE2233046A1 (de) * 1972-07-05 1974-01-24 Alto Mannhart Vorrichtung zum festen verschrauben zweier kontermuttern einer schraubverbindung
FR2235250A1 (de) * 1973-06-28 1975-01-24 Stricon Products Ltd
US4019232A (en) * 1974-12-04 1977-04-26 Daido Seiko Kabushiki Kaisha Ram type steel bar coupling apparatus
US4057882A (en) * 1973-08-06 1977-11-15 Zeitgeist Ag. Apparatus for compressing sleeves onto structural rods
EP0060498A2 (de) * 1981-03-13 1982-09-22 Dyckerhoff & Widmann Aktiengesellschaft Vorrichtung zum Verbinden von zwei stumpf gestossenen Bewehrungsstäben mittels einer Muffe
FR2507232A1 (fr) * 1981-06-09 1982-12-10 Freyssinet Int Stup Dispositif de mise en tension de barres de precontrainte et de determination de cette tension
DE3220984A1 (de) * 1981-12-18 1983-07-14 Souichiro Sanjo Niigata Sato Kupplung zum anbringen am ende einer stange oder eines seils
EP0098099A2 (de) * 1982-06-29 1984-01-11 Ccl Systems Limited Zweiteiliges Kupplungsstück für Betonarmierungsstäbe
GB2283031A (en) * 1993-10-20 1995-04-26 Dextra Europe Sa Mechanical connection for concrete reinforcing rods

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728771A (en) * 1971-04-15 1973-04-24 Crawford Fitting Co Apparatus for swaging and testing ferrules
DE2233046A1 (de) * 1972-07-05 1974-01-24 Alto Mannhart Vorrichtung zum festen verschrauben zweier kontermuttern einer schraubverbindung
FR2235250A1 (de) * 1973-06-28 1975-01-24 Stricon Products Ltd
US4057882A (en) * 1973-08-06 1977-11-15 Zeitgeist Ag. Apparatus for compressing sleeves onto structural rods
US4019232A (en) * 1974-12-04 1977-04-26 Daido Seiko Kabushiki Kaisha Ram type steel bar coupling apparatus
EP0060498A2 (de) * 1981-03-13 1982-09-22 Dyckerhoff & Widmann Aktiengesellschaft Vorrichtung zum Verbinden von zwei stumpf gestossenen Bewehrungsstäben mittels einer Muffe
FR2507232A1 (fr) * 1981-06-09 1982-12-10 Freyssinet Int Stup Dispositif de mise en tension de barres de precontrainte et de determination de cette tension
DE3220984A1 (de) * 1981-12-18 1983-07-14 Souichiro Sanjo Niigata Sato Kupplung zum anbringen am ende einer stange oder eines seils
EP0098099A2 (de) * 1982-06-29 1984-01-11 Ccl Systems Limited Zweiteiliges Kupplungsstück für Betonarmierungsstäbe
GB2283031A (en) * 1993-10-20 1995-04-26 Dextra Europe Sa Mechanical connection for concrete reinforcing rods
EP0716195A1 (de) * 1993-10-20 1996-06-12 DEXTRA EUROPE : Société Anonyme Mechanische Betonstahlverbindung, Vorrichtung zur Montage derselben und Verfahren zur Befestigung von Betonstählen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103741887A (zh) * 2013-12-20 2014-04-23 青岛森林金属制品有限公司 锥套锁紧式钢筋连接接头及其安装工具
CN103741887B (zh) * 2013-12-20 2015-08-12 青岛森林金属制品有限公司 用于锥套锁紧式钢筋连接接头的安装工具
CN107088747A (zh) * 2017-06-27 2017-08-25 鲁泽良 一种钢筋直螺纹套筒自动连接机
CN110080536A (zh) * 2019-05-29 2019-08-02 何艳 一种基于钢筋套筒连接的钢筋转动连接方法
CN112846817A (zh) * 2021-02-24 2021-05-28 东港市英硕机械有限公司 通过螺纹钢筋直径制造相应连接套筒内螺纹的装置及方法

Also Published As

Publication number Publication date
RU2159312C2 (ru) 2000-11-20
TW405008B (en) 2000-09-11
EP0874096B1 (de) 2001-02-21
DE69704108D1 (de) 2001-03-29
DE69704108T2 (de) 2001-09-20

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