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 PDFInfo
- 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
Links
- 238000002788 crimping Methods 0.000 title claims abstract description 115
- 238000000034 method Methods 0.000 title claims description 26
- 230000008569 process Effects 0.000 title description 12
- 238000012360 testing method Methods 0.000 claims abstract description 35
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 27
- 238000009987 spinning Methods 0.000 claims description 48
- 238000009864 tensile test Methods 0.000 claims description 44
- 238000013519 translation Methods 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 9
- 230000001066 destructive effect Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 abstract description 7
- 238000010168 coupling process Methods 0.000 abstract description 7
- 238000005859 coupling reaction Methods 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 description 12
- 238000013461 design Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000000275 quality assurance Methods 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 2
- 238000009658 destructive testing Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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)
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)
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)
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)
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 |
-
1997
- 1997-04-25 EP EP19970490012 patent/EP0874096B1/de not_active Expired - Lifetime
- 1997-04-25 DE DE1997604108 patent/DE69704108T2/de not_active Expired - Lifetime
-
1998
- 1998-04-18 TW TW87105962A patent/TW405008B/zh not_active IP Right Cessation
- 1998-04-22 RU RU98107906A patent/RU2159312C2/ru active
Patent Citations (11)
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)
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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