WO1981000291A1 - Manchon de serrage pour sangles - Google Patents

Manchon de serrage pour sangles Download PDF

Info

Publication number
WO1981000291A1
WO1981000291A1 PCT/EP1980/000050 EP8000050W WO8100291A1 WO 1981000291 A1 WO1981000291 A1 WO 1981000291A1 EP 8000050 W EP8000050 W EP 8000050W WO 8100291 A1 WO8100291 A1 WO 8100291A1
Authority
WO
WIPO (PCT)
Prior art keywords
clamping
jaws
turnbuckle according
turnbuckle
tensioning
Prior art date
Application number
PCT/EP1980/000050
Other languages
German (de)
English (en)
Inventor
E Rutzki
Original Assignee
E Rutzki
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 E Rutzki filed Critical E Rutzki
Priority to AU61266/80A priority Critical patent/AU6126680A/en
Publication of WO1981000291A1 publication Critical patent/WO1981000291A1/fr

Links

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
    • B66D3/02—Manually-operated, e.g. lever-actuated, devices operating on ropes, cables, or chains for hauling in a mainly horizontal direction
    • 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
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
    • F16G11/12—Connections or attachments, e.g. turnbuckles, adapted for straining of cables, ropes, or wire

Definitions

  • the present invention has for its object to improve a turnbuckle of the type described in such a way that it can be used to span endless belt lengths.
  • This object is achieved according to the invention by two successive pairs of clamping jaws in the clamping direction, through which the webbing runs, the first passive pair of clamping jaws exerting its clamping action in the opposite direction to the clamping direction and the second active pair of clamping jaws exerting its clamping action in the clamping direction and forming the tensioning ratchet.
  • the term passive pair of jaws is intended to indicate that these jaws hold the tensioned webbing in place, but that they are not actively used for tensioning purposes.
  • the term active pair of jaws is intended to mean that the actual clamping process is carried out with these jaws.
  • the turnbuckle according to the invention enables infinite lengths of the webbing to be tensioned, is simple and easy to construct and is inexpensive to manufacture.
  • the jaws of the passive pair are provided on their mutually opposite surfaces with interlocking recesses and projections between which the clamped webbing is folded, so that it is held in such a way that even with large tensile forces due to the wrapping of the projections accidental opening does not occur.
  • the depressions and projections on the mutually opposite surfaces of the clamping jaws are preferably designed in the form of a coarse toothing which runs transversely to them
  • the invention relates to a turnbuckle for webbing, in particular for load securing systems with a fastening for the fixed end of a webbing and with a tensioning ratchet for tensioning the webbing.
  • Such turnbuckles are used, among other things, for tensioning belt straps that are intended to secure heavy and heaviest loads and are used as wrap-around straps and as loading straps with snap hooks and D-rings.
  • the one clamping jaw contains at least two projections or teeth and the opposing clamping jaw contains at least three projections or teeth.
  • the pivoting movements of the clamping jaws around their pivot pins are synchronized by mechanical coupling, this synchronization advantageously being carried out by toothed segments which are attached to the side of the clamping jaws and the axes of rotation of the toothed segments being aligned with the axes of rotation of the pivoting pins of the clamping jaws collapse.
  • a deflector can prevent the webbing from accidentally entering between the toothed segments.
  • a locking lever which pivots the one clamping jaw of the passive pair about an eccentric shaft.
  • the securing lever expediently has a latching mechanism which locks it when the passive clamping jaws are closed.
  • a spring-loaded locking pin can serve as the locking mechanism.
  • toothing of the toothed segments is chosen so coarsely that their teeth remain in engagement even when the clamping jaws are separated from one another. At least one of the jaws of the passive pair is expediently spring-biased against the clamping direction.
  • the active pair of clamping jaws forming the tensioning ratchet contains a clamping piece provided with a tensioning lever and a counter-holder which is fastened in a rocker is which is pivotable about the same axis of rotation as the clamping piece.
  • the rocker is expediently under resilient bias so that it is pushed towards a stop.
  • a latching mechanism is connected to the rocker, which initially holds it when the tensioning lever is returned from its maximum deflection, so that when the tensioning lever is returned, the clamping connection of the clamping jaws of the active couple is opened and the belt strap is released by them.
  • the latching mechanism is formed by a ball latch which snaps into a bore in the housing, the tensioning ratchet containing a disengaging member which releases the latching mechanism again when the tensioning lever has reached a certain position during its return movement.
  • the disengaging member practically consists of a stop on the tensioning lever that engages the rocker.
  • Fig. 1 shows a plan view of a turnbuckle in a partially sectioned illustration.
  • FIG. 2 shows a side view of the turnbuckle shown in FIG. 1 in longitudinal section along the line II-II of FIG. 1.
  • Fig. 3 shows a cross section through the turnbuckle along the line III-III of Fig. 2nd
  • Fig. 4 shows a cross section through the turnbuckle along the line IV-IV of Fig. 2nd
  • FIG. 5 shows an oblique cross section through the turnbuckle along the line V-V of FIG. 2.
  • FIG. 6 shows a schematic and enlarged illustration of a side view of a further embodiment of the passive clamping jaws used in the turnbuckle in the open state.
  • Fig. 7 shows a representation corresponding to that of Fig. 6, but in which the two clamping jaws are shown in the closed state, in which a webbing is clamped between them.
  • the turnbuckle contains a housing 1, which consists of two side plates arranged parallel to one another at a somewhat greater distance than the width of the belt webbing, which are connected to one another by a base plate which is uniformly connected to them.
  • the housing is open at its top, likewise at its front, which points in the direction of the pulling direction indicated by arrow c and on its rear, which points in the direction of the tensioning direction indicated by arrow d.
  • a bolt 2 is attached between the two side plates in the lower region thereof. The bolt is used to fasten the fixed end of a webbing.
  • a locking lever 3 extends on the front upper end of the housing on both sides inside along the side plates.
  • the locking lever 3 is fastened to an eccentric shaft 4 extending transversely through the housing, around which an upper clamping jaw 5 of the passive pair is rotatably mounted. Opposite the upper clamping jaw 5, a lower clamping jaw 6 is rotatably mounted about a shaft 7 which penetrates the housing in the region of its underside.
  • the jaws 5 and 6 are provided with mutually facing engagement surfaces 5a and 6a.
  • the locking lever 3 is held in the position designated by position A in FIG. 2 by a locking pin 8 which engages in an undercut groove 8a of the housing extending from the top, wherein it is held in this position by a spring 9 which is located in support a mounting block 1o held between the ends of the locking lever.
  • toothed segments 11a and 11b To the side of the jaws 5 and 6 are toothed segments 11a and 11b, which have a coarse toothing, which is selected so that they remain in engagement with each position of the jaws 5 and 6 and establish a synchronization between the movements of the two jaws.
  • a deflector 12 which is fastened to the upper clamping jaw between the latter and the toothed segment 11a, prevents the belt webbing from inadvertently getting in between the toothed segments.
  • the eccentric shaft 4 is pivotally supported in a bearing 13.
  • e tensioning ratchet 15 used for tensioning the webbing is arranged behind the clamping jaws 5 and 6 of the passive pair, viewed in the tensioning direction. It contains a protruding with a handle 16 in the longitudinal direction over the housing 1 Clamping lever 17, the legs of which run parallel to the side plates and the top of the housing into the interior thereof. The clamping lever 17 is secured against inadvertent actuation by means of a catch 18 which engages on the side of it.
  • a rocker 19 forms a further component of the tensioning ratchet 15.
  • the rocker 19 consists of two side plates 19a and 19b which, together with an upper clamping piece 2o and laterally, are rotatably supported on a shaft 21 which holds the housing 1 in its upper Area interspersed.
  • the side plate 19a of the rocker 19 passes through a ball catch 22 which is fastened in a counter-holder 23 which forms the lower clamping jaws of the active pair and is rigidly held between the side plates 19a and 19b of the rocker, for example by means of bolts.
  • the clamping lever 17 is fastened with the free ends of its legs projecting into the interior of the housing, for example by means of screws, to the upper clamping piece 2o, which forms the upper clamping jaws of the active couple.
  • a latching hole 24 is also provided, into which the ball latch 22 engages when the tensioning lever moves into its end position during its movement in the direction of arrow b.
  • the tensioning lever 17 also contains a release pin 25 which bears against the rear side of the rocker 19 in the position of the tensioning lever shown in FIGS. 1 to 5.
  • a stop 26 attached to the housing limits the movement of the tensioning lever 17 in the direction of arrow f into the position shown in FIG. 2.
  • a spring 27 engages, which is attached to the lower end of the housing and the rocker 19 in Attempted to rotate clockwise around the shaft 21 and stops in abutment against a stop 27a.
  • the loose end 28 of the webbing to be tensioned by the turnbuckle leads, as shown in FIG. 2, between the clamps bake 5 and 6 of the passive pair and the jaws 2o and 23 of the active pair, whereby it emerges in a straight line between the stop 26 and the bolt 2 from the housing.
  • the fixed end 29 of the webbing is placed around and fastened, for example, by means of the indicated seam.
  • the engagement surfaces 5a and 6a are provided with depressions 3o and projections 31 which are tooth-like, the arrangement of the depressions and projections and the synchronization of the clamping jaws by means of the Tooth segments 11a and 11b is reached that the projections of one jaw oppose the recesses of the other jaw and vice versa.
  • the engagement surface 5a contains five projections and the engagement surface 6a contains four projections between which, as shown in Fig. 7, with increasing clamping action, i.e. the movement of the jaws in the direction of the arrows a loops around the loose end 28 of the webbing.
  • the forced synchronization of the rotational movements of the two jaws 5 and 6 prevents ⁇ that the loose end 28 of the webbing is squeezed or damaged.
  • the loose end 28 of the webbing can then be pushed through the housing 1 between the clamping jaws 5 and 6 and the clamping piece 20 and the counter-holder 23 and further tightened by hand until it has applied itself to the load to be secured. Then the locking lever 3 is folded back into position A, whereby the eccentric shaft 4 engages the engagement areas 5a and 6a of the jaws
  • the belt is further tensioned by the tensioning ratchet 15, in which the tensioning lever 17, which normally abuts the stop 26 and is locked with the catch 18 on the housing 1, is moved in the direction of the arrow e.
  • the tensioning piece 20 is brought closer to the counter-holder 23, which is mounted on the rocker 19.
  • the rocker 19 is initially held in contact with the stop 27a by the spring 27, so that the webbing is clamped.
  • the loose end 28 of the belt webbing continues in the tensioning direction and is pulled through the two clamping jaws 5 and 6.
  • the safety lever 3 is again brought into position B.
  • the resulting displacement of the eccentric shaft 4 removes the jaws 5 from the jaws 6 and the loose end 28 of the webbing can be pulled out in the direction C from the turnbuckle.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Emergency Lowering Means (AREA)

Abstract

Le manchon de serrage pour sangles, en particulier pour porteurs de charges, comprend une fixation pour une extremite fixe de la sangle (28) et un dispositif pour le serrage de la sangle. La sangle (28) traverse, selon la direction de serrage (d), deux paires (5, 6; 20, 23) de machoires de serrage, dont la premiere paire (5, 6) est passive et exerce son action de serrage dans la direction opposee (C) a la direction de serrage (d) et dont la seconde paire (20, 23) est active et exerce son action de serrage dans la direction de serrage (d). Les machoires de serrage passives (5, 6) maintiennent la sangle (28) mais ne servent pas a son serrage tandis que les machoires de serrage actives (20, 23) sont utilisees pour le serrage proprement dit.
PCT/EP1980/000050 1979-07-11 1980-07-11 Manchon de serrage pour sangles WO1981000291A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU61266/80A AU6126680A (en) 1979-07-11 1980-07-11 Tightening sleeve for straps

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792928028 DE2928028A1 (de) 1979-07-11 1979-07-11 Spannschloss fuer gurtbaender
DE2928028 1979-07-11

Publications (1)

Publication Number Publication Date
WO1981000291A1 true WO1981000291A1 (fr) 1981-02-05

Family

ID=6075456

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1980/000050 WO1981000291A1 (fr) 1979-07-11 1980-07-11 Manchon de serrage pour sangles

Country Status (4)

Country Link
EP (1) EP0038330A1 (fr)
JP (1) JPS56500882A (fr)
DE (1) DE2928028A1 (fr)
WO (1) WO1981000291A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2561674A1 (fr) * 1984-03-21 1985-09-27 Edera Off Mec Tessili Dispositif de prise ou de pince pour installations de levee automatique sur metiers a filer et/ou a retordre
FR2722489A1 (fr) * 1994-07-18 1996-01-19 Tractel Sa Appareil de levage ou de traction a machoires, agissant sur des sangles souples a profil plat

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3246914A1 (de) * 1982-12-18 1984-06-20 TS Gesellschaft für Transport- und Sicherungs-Systeme mbH, 5600 Wuppertal Gurtspannwerkzeug
AT510547B1 (de) 2011-01-03 2012-05-15 Aba Hoertnagl Gmbh Schnalle
AT512541B1 (de) 2012-06-28 2013-09-15 Aba Hoertnagl Gmbh Spannvorrichtung
AT512540B1 (de) 2012-06-28 2013-09-15 Aba Hoertnagl Gmbh Klemmvorrichtung zum Festklemmen zumindest eines Gurtes

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR13095E (fr) *
DE318536C (fr) *
GB191409676A (en) * 1914-04-20 1914-10-08 John Thomas Edmonds Improved Clip or Self Fastening Device for Securing Ropes and Cords in the Taut Condition.
US1488180A (en) * 1922-09-05 1924-03-25 Louis F Wallen Wire stretcher
US1781622A (en) * 1928-06-25 1930-11-11 Leonard H Williams Wire puller
GB892797A (en) * 1959-11-23 1962-03-28 Wilfred Duncan Bullows Cleats
GB943969A (en) * 1961-03-24 1963-12-11 Fritz Von Opel Improvements in or relating to cleats
FR1364629A (fr) * 1963-04-05 1964-06-26 Tendeur automatique de lignes électriques
FR2153619A5 (fr) * 1971-09-17 1973-05-04 Roquier Vicat Camille
US3765061A (en) * 1972-03-27 1973-10-16 D Nash Lever-release cam cleat
DE2552993A1 (de) * 1975-11-26 1977-06-02 Sander Nachf Fr Vorrichtung zum bewegen eines belasteten zugelements wie band, spanngurt o.dgl.

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR13095E (fr) *
DE318536C (fr) *
GB191409676A (en) * 1914-04-20 1914-10-08 John Thomas Edmonds Improved Clip or Self Fastening Device for Securing Ropes and Cords in the Taut Condition.
US1488180A (en) * 1922-09-05 1924-03-25 Louis F Wallen Wire stretcher
US1781622A (en) * 1928-06-25 1930-11-11 Leonard H Williams Wire puller
GB892797A (en) * 1959-11-23 1962-03-28 Wilfred Duncan Bullows Cleats
GB943969A (en) * 1961-03-24 1963-12-11 Fritz Von Opel Improvements in or relating to cleats
FR1364629A (fr) * 1963-04-05 1964-06-26 Tendeur automatique de lignes électriques
FR2153619A5 (fr) * 1971-09-17 1973-05-04 Roquier Vicat Camille
US3765061A (en) * 1972-03-27 1973-10-16 D Nash Lever-release cam cleat
DE2552993A1 (de) * 1975-11-26 1977-06-02 Sander Nachf Fr Vorrichtung zum bewegen eines belasteten zugelements wie band, spanngurt o.dgl.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2561674A1 (fr) * 1984-03-21 1985-09-27 Edera Off Mec Tessili Dispositif de prise ou de pince pour installations de levee automatique sur metiers a filer et/ou a retordre
FR2722489A1 (fr) * 1994-07-18 1996-01-19 Tractel Sa Appareil de levage ou de traction a machoires, agissant sur des sangles souples a profil plat
EP0693455A1 (fr) * 1994-07-18 1996-01-24 Tractel S.A. Appareil de traction ou de levage à machoires, agissant sur des sangles souples à profil plat

Also Published As

Publication number Publication date
JPS56500882A (fr) 1981-07-02
EP0038330A1 (fr) 1981-10-28
DE2928028A1 (de) 1981-01-29

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