EP0111831A2 - Outil tendeur d'une courroie - Google Patents

Outil tendeur d'une courroie Download PDF

Info

Publication number
EP0111831A2
EP0111831A2 EP83112283A EP83112283A EP0111831A2 EP 0111831 A2 EP0111831 A2 EP 0111831A2 EP 83112283 A EP83112283 A EP 83112283A EP 83112283 A EP83112283 A EP 83112283A EP 0111831 A2 EP0111831 A2 EP 0111831A2
Authority
EP
European Patent Office
Prior art keywords
belt
tensioning tool
lever
clamping block
block
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
EP83112283A
Other languages
German (de)
English (en)
Other versions
EP0111831B1 (fr
EP0111831A3 (en
Inventor
Harald Dipl.-Ing. Berns
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.)
Ts Gesellschaft fur Transport- und Sicherungs-Systeme Mbh
Original Assignee
Ts Gesellschaft fur Transport- und Sicherungs-Systeme Mbh
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 Ts Gesellschaft fur Transport- und Sicherungs-Systeme Mbh filed Critical Ts Gesellschaft fur Transport- und Sicherungs-Systeme Mbh
Publication of EP0111831A2 publication Critical patent/EP0111831A2/fr
Publication of EP0111831A3 publication Critical patent/EP0111831A3/de
Application granted granted Critical
Publication of EP0111831B1 publication Critical patent/EP0111831B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • B65B13/025—Hand-held tools

Definitions

  • the invention relates to a belt tensioning tool of the type mentioned in the preamble of claim 1.
  • a belt tensioning tool of the type mentioned in the preamble of claim 1.
  • the belt end is held in tensioned belt condition by a turnbuckle, which is part of the package or the load securing.
  • the turnbuckle can be fixed in place, which is why it only needs to hold one end of the belt.
  • the turnbuckle can also be used for coupling two belt ends belonging to one belt or to different belts.
  • the turnbuckle has a self-locking belt loop at least at one end of the belt to be held by it.
  • This self-locking causes that - at least up to a certain pretension - when pulling on the free end of the belt, the belt slips in its loop in the turnbuckle and leads to a tensioning of the belt, but that the tensioned belt does not move again automatically due to the loop in the turnbuckle moved back.
  • the belt loop thus causes the belt to lock back.
  • the tensioning lever is connected in an articulated manner with a hook which had to be hooked into a loop sewn tightly to the belt in order to generate a point of attack.
  • the point of attack of the tensioning tool on the belt therefore had to be fixed from the start and required sewing work.
  • the pivot bearing for the tensioning lever was, however, separate from the point of application of the tensioning tool, in the area of the locking bolt determining the belt loop in the tensioning tool, as a result of which the belt piece with and without the tensioning tool always remained stretched. As a result, there was no loss of voltage when attaching and removing the tool.
  • tensioning devices for covering boxes or bales with band irons (DE-PS 277 621, 314 9o5, 828 525), in which the two ends of the band iron are held taut by means of a clamping base which is rotatably mounted on a continuous base plate until they are deformed by one another or a sleeve has been connected together.
  • a pivotable clamping lever For tightening tension is between these clamping eccentrics on the same plate a pivotable clamping lever, which in turn has a clamping device that works in alternation with the one clamping eccentric, which must be opened during the clamping stroke to pull the band iron.
  • the invention has for its object to develop a simple, easy-to-use belt tensioning tool of the type mentioned in the preamble of claim 1, which on the one hand allows the belt to be tensioned to the highest values and can be easily re-tensioned and on the other hand is gentle on the goods to be secured by the belt repacked or lashed.
  • Such high tensions of the belt are in fact decisive in order to immovably fix the goods in the desired position.
  • the belt piece does not need to be prepared to attack the tensioning tool and is always stretched. Even when the belt piece is brought to high tension values, the attachment of the tool according to the invention is not difficult, because its C frame can be inserted with its frame opening above and below the belt when the clamping block is folded out, until the stretched belt piece comes to rest on the lower frame web how the tool can be removed from the belt without reducing the belt tension.
  • very wide belts can be used in the invention without any problems, which transmit the pressing force on the goods to correspondingly large areas.
  • the side cutout in the C-frame can always remain open in order to ensure easy handling, because the clamping block can follow a deformation of the C-frame which occurs at high voltages due to its transverse division. Its two block parts can twist against each other and thus ensure that in the pivoting position of the clamping block in the frame opening, the eccentric free block end clamps the detected belt piece uniformly over the entire belt width against the lower frame web. Unilateral warping of the belt is excluded by the self-adjusting clamping means in the invention.
  • the position of the terminal block in the pressing state is not yet final. If the tension in the detected belt piece is increased by actuating the tensioning lever, the clamping block can only move into the frame opening together with the belt piece located at its eccentric block end due to the existing high friction, while the belt piece pushes itself against the lower frame web due to the lower friction can.
  • the terminal block interacts with the C-frame like a self-tensioning eccentric. Although the belt tension between the clamping block and the frame web increases, there is surprisingly a further passage of the belt in the frame, which, due to the eccentricity of the free block end, leads to an increasingly firm grasping of the belt piece at the point of application of the tool. Nevertheless, there is no wear on the belt piece at the point of application of the tool, which is why the valuable belt, even if it is brought to the highest tension values, can be used in many ways.
  • the terminal block could also be arranged in a mirror-image position with respect to the upper and lower frame web of the C-frame.
  • the roughness at the free eccentric block end can be generated by cross-ribbing, serrations, corrugations or the like.
  • Such a mounting part can also be used to compensate for tolerances in the structure of the C-frame and determine the exact gap height between the terminal block and the lower frame web if the mounting part is designed with a defined wall thickness in the area of the abutment. For easy handling and a secure position, it is advisable to give the attachment part the U-shape evident from claim 4.
  • a belt 1o is used for strapping a bale of goods 11 or the like. While one end of the strap 12, as also illustrated in FIG. 2, engages around a fastening web 14 of a turnbuckle 15 through a firmly sewn end loop 13, the other end 16 of the belt is looped around two webs 18, 19 in a self-locking loop 17. At 17 the tension side of the lock 15 is present. It goes without saying that the two belt ends 12, 16 could belong to different belts, e.g. can be used to secure loads with lashings.
  • the self-locking loop 17 takes place in such a way that the belt end 16 with its loop apex 2o encompasses the upper web, which is to be referred to as deflection pin 18, while the loop rests in two layers on the lower web, which is to be referred to as locking pin 19.
  • the belt can be pulled through in the turnbuckle up to a certain pretension when it is pulled in the direction of the force arrow 21 indicated in FIG. 1.
  • the self-locking means that retraction of the belt, contrary to the force arrow 21, is not readily possible in the turnbuckle 15.
  • at least the locking pin 19 wrapped in the double-layer loop is designed as a pivot pin for the targeted release of the turnbuckle 15, as indicated by the pivot bearing point 22 in FIG. 2.
  • the invention now makes it possible to increase the tension of the belt 10 by means of a special tool 23 in a simple manner and without great effort to extreme values.
  • the belt 1 0 can already be pretensioned to any desired values by manual or other tensioning work.
  • This belt tensioning tool 23 comprises a C-shaped frame 24 which, as can best be seen in FIG. 1o, has a lateral cutout 25 through which, in the sense of the arrow 26 shown in the drawing, the pretensioned belt piece 27 leading to the turnbuckle can be inserted transversely, until it reaches the inner surface 28 of the lower frame web 29.
  • a terminal block 3 such FIGS. 5 and 11 show in particular, is exposed in its open position in which the said web inner surface 28.
  • the clamping block 3o basically consists of two clamping parts 31, 32, as can be seen from FIG. 1o, between which a transverse joint 33 remains, which enables the two block parts 31, 32 to be rotated about a thrust bearing pin 34 which expediently runs in the center of the block.
  • the block parts 31, 32 are stuck together, e.g. by not shown tabs or interlocking lobes, which is why they form a uniformly pivotable clamping block 3o.
  • the pivoting of the clamping block 3o is carried out by a special tilting joint, the appearance of which can best be seen from FIG. 12.
  • the clamping block 3o is provided at its upper end 4o with a transverse groove 35, the cross-section is moderately asymmetrically profiled and has a groove bottom 36 which slopes deeper towards one broad side of the terminal block 3o.
  • a thrust bearing pin 37 running in the longitudinal direction of the groove is embedded, which transmits the loads to the inner surface 38 of the upper frame web 39 which it touches.
  • the terminal block 3o 5 and 6 in the Zuklapplage 8 and 9 is a locking lever 42 from its-pivoted from Fig. FIG. Transferred.
  • the locking lever 42 is articulated on a bolt 43 which extends between two tabs 44 which extend perpendicular to the plane of the C-frame 24.
  • the locking lever 42 is coupled via a toggle lever connection 45, 46 to the clamping block 3o, the appearance of which can best be seen from FIGS. 4 and 5.
  • This toggle lever connection first comprises a lever 45 which engages in a fork end 47 of the manually operable locking lever 42 and is connected to the locking lever 42 via an elongated hole 48 and a pin 49 located there. At the other end of this lever 45 is the pin determining the knee joint 50, which passes through four lobes of a bearing block 46, which in the present case is formed in one piece with the lower part 32 of the clamping block 30. The lever 45 engages between the two middle tabs of the bearing block 46.
  • a spring-elastic toggle lever connection 51, 46 is provided in a double version, with which the two end positions of the terminal block 3o are determined.
  • this includes double push levers 51, each of which is spring-loaded in the sense of extension. They consist of a sleeve part 52 rotatably mounted on the pivot pin 43 of the locking lever 42, in which a compression spring 53 is accommodated, which strives to push a plunger 54 out of the sleeve part 52.
  • the free plunger end 54 which is bifurcated here, is supported in an articulated manner on the knee joint pin 5o already mentioned, in each case in the area between the two outer lobes of the bearing block 46 belonging to the clamping block 3o.
  • the bearing block 46 forms with its four lobes thus toggle lever connections of two types, one of which is even double due to its double spring-loaded toggle lever 51. 4, 5 and 6 strive to push the common knee joint pin 5o obliquely upwards, which is stopped by an overlapping stop 55, which sits on the tab 44 and the one on the outside Ratchet of bearing block 46 engages. As a result, the clamping block 3o is pivoted out in the open position already mentioned several times, where the inner surface 28 of the lower frame web 29 is exposed.
  • This inner surface 28 is formed by the outer bottom surface of a U-shaped shoe 56, which is pushed over the lower frame web 29, engages around this with its U-legs and has a defined wall thickness 57 on its U-bottom.
  • This wall thickness 57 depends on the thickness of the belt to be used 1 0 , which 4 to 6 is pushed over the frame web inner surface 28 in the open position of the locking lever.
  • This pivoting-in movement 59 is first braked in that the block end 6 0 , as best seen in FIG. 12, abuts against the top 61 of the belt piece 27 inserted into the frame 24.
  • the block end 6o is formed eccentrically to the pivot axis of the clamping block 3o determined by the thrust bearing pin 37; the circle of curvature of the block end has a center point which is offset from the pivot position on the thrust bearing pin 37.
  • the block end 6o is to achieve one provided with high friction coefficient with serrations 62, - which press into the belt piece 27 from the upper side 61 of the belt without damaging the belt.
  • a somewhat elastically deformable material, such as plastic, is used for the terminal block 3o. As illustrated in FIG.
  • the tool is first clamped at a selected point in the belt piece 27, which can best be seen from FIG. 2.
  • a bearing pin 63 which rotatably supports a locking roller 64 between the two tabs and, at the same time, on the pin ends projecting on both sides of the pair of tabs 44, 44 pivotally supports a tensioning lever 65 which has both ends 3 and 4 illustrate a fork 66, which engages around the tabs 44, 44 and the roller 64 located therebetween.
  • a handle 67 At the free end of the tensioning lever 65 there is a handle 67.
  • a deflection web 68 is attached at one end to the tensioning lever 65, which increases to its fastening point with the web thickness 69 shown in FIG. 4, so that in the top view of FIG 4 the deflection web 68 is given a triangular shape.
  • the belt end 16 is now with the loop 7o shown in FIGS. 2 and 7 to 9 around the Locking roller 64 and the deflection bar 68 placed, so that the loop apex lies on the deflection bar 68 and this is enclosed by the loop legs on both sides, in each case in one layer, while the locking roller 64 is enclosed in two layers by the loop 7o on the underside.
  • This loop 7o is obtained by pulling the loop 7o through the free space 71, according to FIGS. 7 and 8, between the two tabs 44 and hanging with its loop apex over the deflection web 68.
  • An end nose 72 best seen in FIG. 7 precludes the loop apex from being inadvertently stripped off the deflection web 68.
  • the free belt end 73 is led out on the locking roller 64 and is loose.
  • the tensioning lever 65 itself is narrowed after its lower fork 66 and the above-mentioned deflection web 68 and provided with an offset 74 which can be seen in FIG. 4 and ends with the handle 67 mentioned.
  • the clamping lever 65 is moved back and forth via its handle 67 in the sense of the double arrow 75 shown in FIG. 2.
  • the loop 7o acts as a self-locking retaining system for the belt end 16, where the free belt end 73 can be pulled through gradually as the directional arrow 76 moves back and forth of the tensioning lever 65, but a retrograde movement due to the deflection on the locking roller 64 reliably excludes. This results in an interaction with the above-mentioned loop 17 of the belt end 16 in the turnbuckle 15.
  • the tensioning lever 65 If the tensioning lever 65 is in its starting position pivoted against the frame 24, the belt end 16 is relaxed and the tensioning force K located to the right of the clamping point 28, 6o of the tool 23 is transmitted via the pre-tensioned belt piece 27 to the turnbuckle 15 and from there to the fixed belt end 12, where there is an equally large opposite tensioning force K. If the tensioning lever 65 is moved into its other pivoting position, seen away from the frame 24 in FIG. 2, it comes to a tensioning position where the belt end 16 looped into the tensioning lever 65 at 7o, as shown by the arrow K 1 and FIG. 2, absorbs as large a part of the tensioning force K as possible and thereby, as illustrated by the small arrow K 2, considerably reduces the tensioning force previously prevailing in the belt piece 27 underneath.
  • the tension force K 1 of the belt end propagates via the locking roller 64, the tabs 44 to the clamping point 6 0 , 28, while due to the large tension force differences between K 1 and K 2, the belt section determined by the stroke of the tensioning lever 65 is in the direction of tension 76 pulls through, that the belt end 16 between turnbuckle 15 and tool 23 increases in length with this tensioning stroke of the lever 65 at the expense of the clamped belt piece 27 below.
  • this solid belt section is also from the tensioning lever loop 7o pull-through.
  • the free belt end 73 has become longer, but the belt tension has become considerably greater due to the contraction of the tool 23 against the turnbuckle 15. This belt tension can be increased step by step to and fro 75 of the tensioning lever 65 to extremely high values.
  • the attached shoe 56 is made of plastic and the frame-side inner surface 28 produced by it is so smooth that the coefficient of friction between the inner surface 28 and the belt underside 77 is significantly less than that by Teeth 62 or the like. Much higher coefficient of friction between the block end 6o and the above-mentioned belt top 61.
  • the frame 24 can thus move to the left with respect to the point of attack on the belt piece 27 in FIG. 12, while the block end 6o maintains its attack position on the belt piece 27 unchanged .
  • the clamping block 3o moves further through the frame opening 41 in the direction of the pivoted-in arrow 59, which is easily possible because of the slot-pin connection 48, 49 mentioned with respect to the closed locking lever 42 according to FIG. 8.
  • the clamping block 3o acts as an eccentric. Its block end 60 presses the belt piece 27 increasingly firmly against the inner surface 28 and therefore anchors the tool 23 more and more securely at the selected point of attack on the belt piece 27.
  • the clamping block 3o initially only experienced limited pressure on the belt piece 27 due to the closing movement of the closing lever 42 and the spring loads explained in connection with FIG.
  • the lower block part 32 can be adjusted around the thrust bearing pin 34 in the direction of the rotating arrow 79 to such an extent that the lower block end 6o is given the same inclination position as the lower inner frame surface 28. This gives the result that, despite the bend 78 of the lower frame web 29, the belt 27 is evenly loaded by the clamping block 30 over its entire width.
  • the tool 23 is removed again. To do this, it is sufficient to flip the closing lever 42 and to move it into its unfolded position shown in FIGS. 4 to 6. Because of the knee joint connection 45, 46, of course, the clamping block 3o also comes back into its open position and releases the belt piece 27, which can move out again through the frame cutout 25 by laterally moving the tool frame 24 away. The tool 23 is thus removed again.
  • the belt ends 12, 16 are held together by the turnbuckle 15 in the desired high tension state.
  • the tool 23 can be used at another location.
  • the further clamping takes place, as has been explained, in the course of the tension work on the tensioning lever 65 of its own accord.
  • the clamping block 3o acts as a self-tensioning eccentric.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Buckles (AREA)
EP83112283A 1982-12-18 1983-12-07 Outil tendeur d'une courroie Expired EP0111831B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3246914 1982-12-18
DE19823246914 DE3246914A1 (de) 1982-12-18 1982-12-18 Gurtspannwerkzeug

Publications (3)

Publication Number Publication Date
EP0111831A2 true EP0111831A2 (fr) 1984-06-27
EP0111831A3 EP0111831A3 (en) 1984-11-14
EP0111831B1 EP0111831B1 (fr) 1986-10-15

Family

ID=6181039

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83112283A Expired EP0111831B1 (fr) 1982-12-18 1983-12-07 Outil tendeur d'une courroie

Country Status (2)

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EP (1) EP0111831B1 (fr)
DE (2) DE3246914A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5059525A (en) * 1984-11-19 1991-10-22 Boehringer Mannheim Gmbh Dry reagent for blood coagulation tests
EP0867369B1 (fr) * 1997-03-26 2001-03-07 TS Gesellschaft für Transport- und Sicherungs-Systeme mbH Outil tendeur d'une courroie
EP1038776A3 (fr) * 1999-02-02 2002-02-06 Hermann Schwelling Procédé et outil de liage manuel d'une balle de matériau comprimé dans une presse à balles
US9220322B2 (en) 2012-06-28 2015-12-29 Aba Hörtnagl Gmbh Tensioning apparatus
US9271545B2 (en) 2012-06-28 2016-03-01 Aba Hortnagl Gmbh Clamping apparatus for clamping at least one strap
US9332810B2 (en) 2011-01-03 2016-05-10 Aba Hörtnagl Gmbh Buckle

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3346755A1 (de) * 1983-12-23 1985-07-18 Eisen- Und Drahtwerk Erlau Ag, 7080 Aalen Ratsche
DE4412897A1 (de) * 1994-04-14 1995-10-19 Han Ching Huang Festspannvorrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1557477A1 (de) * 1967-08-09 1970-04-02 Lennart Lindblad Schnalle zum Verbinden zweier Gurtbandabschnitte
US3858625A (en) * 1973-09-20 1975-01-07 Interlake Inc Strap tension tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE277621C (fr) *
AT87193B (de) * 1918-10-07 1922-02-10 Erich Edler Vorrichtung zum Spannen von Kistenbändern.
DE828525C (de) * 1943-10-21 1952-01-17 Packers Supply Company Ltd Vorrichtung zum Spannen von Streifenmaterial fuer das Binden von Kisten, Ballen, Verschlaegen und anderen Koerpern
DE1756530C3 (de) 1968-06-01 1973-01-04 Herbert Sehlbach, Schmalwebereien, 5600 Wuppertal-Barmen Vorrichtung zum Verbinden, Spannen, Sichern und Lösen von Verzurrgurten
GB1297146A (fr) * 1969-11-25 1972-11-22
DE2928028A1 (de) * 1979-07-11 1981-01-29 Rutzki Geb Wilke Edith Spannschloss fuer gurtbaender

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1557477A1 (de) * 1967-08-09 1970-04-02 Lennart Lindblad Schnalle zum Verbinden zweier Gurtbandabschnitte
US3858625A (en) * 1973-09-20 1975-01-07 Interlake Inc Strap tension tool

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5059525A (en) * 1984-11-19 1991-10-22 Boehringer Mannheim Gmbh Dry reagent for blood coagulation tests
EP0867369B1 (fr) * 1997-03-26 2001-03-07 TS Gesellschaft für Transport- und Sicherungs-Systeme mbH Outil tendeur d'une courroie
EP1038776A3 (fr) * 1999-02-02 2002-02-06 Hermann Schwelling Procédé et outil de liage manuel d'une balle de matériau comprimé dans une presse à balles
US9332810B2 (en) 2011-01-03 2016-05-10 Aba Hörtnagl Gmbh Buckle
US9220322B2 (en) 2012-06-28 2015-12-29 Aba Hörtnagl Gmbh Tensioning apparatus
US9271545B2 (en) 2012-06-28 2016-03-01 Aba Hortnagl Gmbh Clamping apparatus for clamping at least one strap

Also Published As

Publication number Publication date
DE3246914A1 (de) 1984-06-20
EP0111831B1 (fr) 1986-10-15
DE3366889D1 (en) 1986-11-20
EP0111831A3 (en) 1984-11-14

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