EP4172512A1 - Spannvorrichtung zum spannen von ketten, bändern, seilen oder dergleichen spannmittel - Google Patents
Spannvorrichtung zum spannen von ketten, bändern, seilen oder dergleichen spannmittelInfo
- Publication number
- EP4172512A1 EP4172512A1 EP21735905.8A EP21735905A EP4172512A1 EP 4172512 A1 EP4172512 A1 EP 4172512A1 EP 21735905 A EP21735905 A EP 21735905A EP 4172512 A1 EP4172512 A1 EP 4172512A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping
- tensioning
- nut
- ratchet
- clamping device
- 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.)
- Pending
Links
- 238000007598 dipping method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 10
- 239000004753 textile Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 241000997826 Melanocetus johnsonii Species 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P7/00—Securing or covering of load on vehicles
- B60P7/06—Securing of load
- B60P7/08—Securing to the vehicle floor or sides
- B60P7/0823—Straps; Tighteners
- B60P7/083—Tensioning by repetetive movement of an actuating member
-
- 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
-
- 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
- F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
Definitions
- Tensioning device for tensioning chains, bands, ropes or the like
- the invention relates to a tensioning device for tensioning chains, bands, ropes or the like tensioning means, with at least one tubular tensioning nut and at least one threaded bolt dipping into the tensioning nut and interacting with it, the tensioning nut being equipped with at least one ratchet.
- clamping devices are typically used in the field of lifting and transport technology, i.e. in general logistics.
- the tensioning device to be tensioned in this way is not restricted to chains, bands, ropes or the like.
- cargo can be secured on the transport surfaces of transport vehicles.
- transport vehicles truck-mounted negroes, trailers, train trailers, etc., but also loading platforms for ships, containers, etc. are used.
- the clamping device can, for example, be ruled out on one side of the clamping means and the movable end of the threaded bolt engages in an eyelet on the loading area or another fastening point.
- the clamping device is connected to a clamping device on both sides in order to provide the necessary lashing force to secure the load on the transport surface in the example.
- Clamping devices of the structure described above are for example in the two generic prior publications WO 2018/073098 A1 or also US 4 130269 described.
- threaded bolts belonging to both sides are immersed in the tubular clamping nut.
- the relevant threaded bolt may be equipped with an end piece, for example designed as an eyelet, via which the clamping means makes the required connection.
- a generic clamping device is characterized within the scope of the invention in that a fixing device, in particular a fixing lever, is additionally provided.
- a fixing device in particular a fixing lever
- a user can for example fix an eyelet at the end of the threaded bolt for connecting the tensioning device in its position, so that during the tensioning process of the tensioning nut with the aid of the ratchet, the eyelet in question and thus the threaded bolt does not rotate on it connected clamping devices can transfer.
- unintentional torsions in the clamping medium are excluded according to the invention.
- the fixing device or the fixing lever can engage in the eyelet in question at the end of the threaded bolt or in some other way on the threaded bolt.
- the clamping nut is additionally equipped with the at least one fixing lever in addition to the ratchet. That is, in this case, the fixing device or the fixing lever does not act on the eyelet, but rather on the clamping nut itself, just like the ratchet on its outer circumference.
- the fixing lever in this context at least ensures that the clamping nut is fixed in its respective reversal point when the ratchet is used.
- the tensioning takes place with the aid of the tensioning nut and the ratchet in such a way that an extension tion is connected as a handle or a clamping lever.
- actuating the tensioning nut for example to tension the tensioning means connected via the threaded bolt, this must be acted upon in one operating direction, for example clockwise in the front view, in order to allow the threaded bolt to increasingly dip into the tensioning nut accordingly.
- the clamping device is subjected to a corresponding clamping force.
- the tensioning lever is moved, for example, from the first reversal point to the second reversal point into engagement with the tensioning nut.
- the ratchet and consequently the clamping lever is not in engagement with the clamping nut.
- the fixing device or the fixing lever at least at the second reversal point ensures that the clamping nut is fixed in the position it has reached. That is, during the return of the clamping lever from the second reversal point to the first reversal point, the clamping nut is held firmly in its position with the aid of the fixing device in general or the fixing lever specifically.
- the ratchet and with it the clamping lever have reached the first reversal point, the ratchet can again come into engagement with the clamping nut at the first reversal point, so that, starting from this, the clamping nut can be further tightened in the same actuation direction (clockwise in the example).
- the fixing device or the fixing lever is released so that the clamping nut can continue to be acted upon in its actuation direction (clockwise in the example) starting therefrom.
- the fixing device or the fixing lever is an additional second or further ratchet.
- the clamping nut is advantageously equipped with two or more ratchets.
- the overall design is such that both ratchets are generally engaged in opposite directions or are operated in opposite directions.
- each ratchet has a ring gear firmly connected to the clamping nut.
- each ratchet also has a clamping pawl that interacts with the associated gear rim. The tension pawl is generally acted upon with the aid of a corresponding spring.
- the procedure is that the tensioning pawl of a first ratchet slides along the associated gear rim and / or is lifted from it, while the tension pawl of the other second ratchet is in engagement with the associated gear rim.
- the respective second ratchet ensures on the one hand that the clamping nut is fixed at the respective reversal point of the other ratchet.
- To- the same ratchet can also be used for the tensioning process, because the two ratchets then swap their function and consequently ge opposite to each other are engaged with the clamping nut or are operated in opposite directions.
- the procedure here is usually such that the relevant ratchet has in each case the toothed rim firmly connected to the clamping nut on the one hand and the clamping pawl acted upon by the spring on the other hand.
- the clamping pawl is in engagement with the ring gear in one actuation direction and ensures that the clamping nut is rotated (counterclockwise or clockwise when viewed from the front).
- the clamping pawl of the other unactuated ratchet slides along the associated toothed ring which is moved along with the clamping nut.
- the two ratchets change their function, so that now the tensioning pawl, which previously slid along its toothed ring, is brought into engagement with the associated toothed ring.
- the respective clamping pawl is also and advantageously equipped with a deflection lever, with the help of which the direction of actuation of the ratchet and thus also of the clamping nut can be adjusted. That is, the deflection lever pivots the clamping pawl essentially in two different positions.
- One position of the tensioning pawl corresponds to the fact that it is set up to act on the tensioning nut in a clockwise direction, whereas the further second position corresponds to the fact that the tensioning pawl is in engagement with the associated toothed ring in order to turn the tensioning nut counterclockwise.
- two threaded bolts that dip into the clamping nut at each end and interact with it are provided. hen.
- the interaction of the clamping nut with the respective threaded bolt takes place in such a way that the clamping nut is each equipped with an internal thread into which an external thread of the threaded bolt engages.
- the procedure is that the two threaded bolts engage in opposing threaded sections of the clamping nut.
- the two threaded bolts move synchronously with the rotation of the clamping nut, namely in such a way that they either increasingly dip into the clamping nut from both sides together or increasingly emerge from the clamping nut.
- the fact that the previously mentioned two thread sections inside the clamping nut have the same pitch also contributes to this. This then of course also applies to the associated external thread of the threaded bolts engaging in the threaded sections.
- one threaded bolt is designed as a tube into which the other threaded bolt can dip.
- the clamping nut is typically a clamping sleeve, that is to say an elongated tubular clamping nut with the associated at least one internal thread.
- two threaded sections provided at both ends with a corresponding internal thread are re alized, in which the respective threaded bolt engaging at the end of the clamping sleeve.
- the two ratchets for acting on the clamping nut usually have a distance from one another in the longitudinal direction of the clamping nut, which allows an operator to operate with his two hands.
- the two ratchets or their associated tensioning levers usually have a distance that ranges from at least 10 cm to approx. 50 cm, usually in the range of 20 cm to 30 cm. This depends on the one hand on the topological conditions and on the other hand on the axial length of the clamping nut designed as a clamping sleeve.
- both ratchets each have an extension as a handle. This extension is the previously mentioned tensioning lever.
- each threaded bolt is generally equipped with an end stop.
- This end stop is typically the previously mentioned eyelet, with the aid of which the clamping means is connected to the clamping device in question.
- the Spannvor direction is equipped with at least one lubrication hole in order to provide a permanent and functionally reliable and low-force operation even in rough outdoor use.
- the clamping process can be significantly reduced in terms of time compared to previous procedures. Because a user now works with his two hands or arms alternately on the associated clamping lever, so that theoretically the time to achieve the desired voltage can be halved compared to the previous state of the art. The main advantages can be seen in here.
- Figure 1 the clamping device according to the invention in a perspective overview
- Figures 4 and 5 the internal structure of the clamping nut with the associated Ge threaded bolts in different functional positions.
- a clamping device for clamping clamping means 1 is shown in the figures.
- the tensioning means 1 shown is, in the embodiment, a chain 1, which is made up of textile chain links by way of example and not by way of limitation, as has already been shown above.
- the tensioning means in question or the chain 1 is connected on both sides to the Spannvor direction.
- the clamping means 1 can also only be connected to the clamping device on one side, which in turn is connected to the other end, for example to a loading area or another fixed point. However, this is not shown graphically.
- the clamping device initially has at least one tubular clamping nut 2, which according to the execution example is designed as an elongated clamping sleeve in the longitudinal direction L.
- threaded bolts 3 each dip into the clamping nut or clamping sleeve 2 on both sides.
- the respective threaded bolt 3 interacts with the clamping nut or clamping sleeve 2.
- the clamping sleeve 2 is equipped at least at the end with opposing threaded sections or internal threaded sections, in which an associated external thread on the relevant threaded bolt 3 engages.
- FIG. 4 corresponds to the largely maximum expansion and maximum emergence of the relevant threaded bolts 3 in relation to the central clamping sleeve 2.
- Each threaded bolt 3 is equipped at the end with an eyelet 4 or a comparable end stop 4.
- the eyelet 4 is connected to a shackle 5, which in turn is connected to the textile chain 1 in the example.
- the design is such that the two threaded sections of the internal thread in the interior of the clamping sleeve 2 each have the same pitch, which also corresponds to the pitch of the external thread of the associated threaded bolt 3. As a result, a uniform immersion and removal movement of the associated threaded bolt 3 is given at each end of the clamping sleeve 2.
- the clamping nut or clamping sleeve 2 also has at least one ratchet 6, 7, 8, 9.
- a comparison of FIGS. 1 to 3 makes it clear that that the ratchet in question 6 to 9 first of all has a ring gear 6 firmly connected to the clamping nut 2.
- a tensioning pawl 7 interacts with the toothed ring 6 and consequently the clamping nut 2.
- the tensioning pawl 7 is pretensioned in the direction of the toothed ring 6 with the aid of an associated spring, which is only indicated.
- the clamping pawl 7 still has a connected deflection lever 8, with the help of which the clamping pawl 7 can be pivoted in two basic operating directions, namely with respect to a clamping lever 9 acting on the clamping pawl 7.
- the clamping lever 9 is an extension the ratchet, which acts as a handle, usually gripped by the hand of an operator and can be operated as a result.
- the clamping nut or clamping sleeve 2 is not only equipped with a ratchet 6, 7, 8, 9, but also a further second ratchet 6, 7, 8, 9, which ultimately already has the function of the introductory takes over the fixing device or the fixing lever described.
- the two ratchets 6, 7, 8, 9 engage in opposite directions to one another with the clamping nut 2 and consequently the associated toothed ring 6, which is firmly connected to the clamping nut 2, or are actuated in opposite directions.
- the two ratchets 6, 7, 8, 9 is equipped in the embodiment of Figure 1 of a clamping lever 9 by the reference numeral 9i, while the other further second clamping lever 9 bears the reference number 9. 2
- the overall design is such that the clamping pawl 7 of the egg NEN first ratchet 6, 7, 8, 9 slides along with the clamping lever 9i on the associated toothed ring 6 and / or is lifted from this, while the clamping pawl 7 of the other second Ratchet 6, 7, 8 with the tensioning lever 9 2 in engagement with the associated ring gear 6, and vice versa.
- the clamping nut or clamping sleeve 2 is acted upon in the counterclockwise direction indicated there (in front view) to apply a clamping force.
- the two threaded bolts 3 at both ends of the clamping sleeve 2 increasingly dip into the latter and exert a resulting increasing clamping force on the respective clamping means or the textile chain 1 in the example.
- the first ratchet 6, 7, 8, 9 with the clamping lever 9i is wasted in the indicated counterclockwise direction.
- this takes place on the basis of a first and illustrated reversal point up to a second reversal point, which in the example corresponds to the position of the second clamping lever 9 2.
- the associated clamping pawl 7 engages in the ring gear 6 and ensures that the clamping nut 2, which is firmly connected to the ring gear 6, is rotated in the desired counterclockwise direction about its longitudinal axis.
- the second ratchet 6, 7, 8, 9 with its tensioning lever 9 2 remains at rest (or is moved in opposite directions), so that at this point the toothed ring 6, which is rotated by the counter-clockwise movement, slides along the tensioning pawl 7 applied by spring force, as can be seen can understand on the basis of Figure 3.
- the first clamping lever 9i remains at rest or can be moved back to the first order steering point, whereas now the clamping pawl 2 of the second ratchet 6, 7, 8, 9 with the clamping lever 9 2 engages the associated ring gear 6. That is, in both cases the associated sprocket 6 is actuated by means of the tensioning lever 9 or 9i, 9 2 by the tensioning pawl 7 in a counterclockwise direction with one tensioning lever 9i, whereas the tensioning pawl 7 of the other ratchet 6, 7, 8, 9 with the clamping lever 9 2 slides along the associated ring gear 6.
- the two ratchets 6, 7, 8, 9 change their function, consequently come into engagement with the clamping nut 2 in opposite directions or are acted upon in opposite directions.
- the clamping nut 2 is increasingly rotated counterclockwise and at the same time any torsions in the clamping means or the textile chain 1 are prevented by the fact that the clamping nut 2 is fixed at the reversal point and cannot kick back.
- one threaded bolt 3 is designed as a tube into which the other threaded bolt 3 can dip.
- a particularly large tensioning path can be realized with the aid of the tensioning device according to the invention, as can be understood from the contracted state in FIG. 4 in comparison to the expanded state according to FIG.
- the two ratchets 6, 7, 8, 9 or their clamping levers 9i and 9 2 have a total distance A in the longitudinal direction device L of the clamping nut or clamping sleeve 2, which allows an operator to operate with his two hands. In fact, distances A in the range between 20 cm and 30 cm are generally observed at this point.
- tensioning device is then equipped with a lubrication hole 10, which can best be understood with the aid of FIG.
- a fastening screw 11 is also shown here, as is a handwheel 13, with the aid of which the threaded bolt 3 on the left in the exemplary embodiment can be fixed.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Clamps And Clips (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202020103769.2U DE202020103769U1 (de) | 2020-06-30 | 2020-06-30 | Spannvorrichtung zum Spannen von Ketten, Bändern, Seilen oder dergleichen Spannmittel |
PCT/EP2021/066869 WO2022002673A1 (de) | 2020-06-30 | 2021-06-21 | Spannvorrichtung zum spannen von ketten, bändern, seilen oder dergleichen spannmittel |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4172512A1 true EP4172512A1 (de) | 2023-05-03 |
Family
ID=71844193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21735905.8A Pending EP4172512A1 (de) | 2020-06-30 | 2021-06-21 | Spannvorrichtung zum spannen von ketten, bändern, seilen oder dergleichen spannmittel |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4172512A1 (de) |
DE (1) | DE202020103769U1 (de) |
WO (1) | WO2022002673A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202020105227U1 (de) | 2020-09-10 | 2020-10-26 | Westdeutscher Drahtseil-Verkauf Dolezych Gmbh & Co. Kg | Spannvorrichtung |
US12031609B1 (en) | 2023-03-24 | 2024-07-09 | Columbus Mckinnon Corporation | Long reach ratchet binder |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4130269A (en) | 1978-02-07 | 1978-12-19 | Columbus Mckinnon Corporation | Telescopic turnbuckle |
DE202016006553U1 (de) | 2016-10-20 | 2016-11-17 | Manfred Redder | Spannvorrichtung für Seile und Ketten, mit Gewindespindel und Ratscheneinheit. |
ES2906843T3 (es) * | 2018-02-06 | 2022-04-20 | Koen Martens | Tensor de carga con trinquete y doble mango |
DE202018105723U1 (de) | 2018-10-05 | 2018-11-09 | Westdeutscher Drahtseil-Verkauf Dolezych Gmbh & Co. Kg | Kette, insbesondere Schwerlastkette |
-
2020
- 2020-06-30 DE DE202020103769.2U patent/DE202020103769U1/de active Active
-
2021
- 2021-06-21 WO PCT/EP2021/066869 patent/WO2022002673A1/de unknown
- 2021-06-21 EP EP21735905.8A patent/EP4172512A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE202020103769U1 (de) | 2020-07-09 |
WO2022002673A1 (de) | 2022-01-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2054195B1 (de) | Zange mit entgegen der kraft einer feder bewegbarem gelenkbolzen | |
EP2163358B1 (de) | Zusatzhandgriff für eine Handwerkzeugmaschine | |
EP4172512A1 (de) | Spannvorrichtung zum spannen von ketten, bändern, seilen oder dergleichen spannmittel | |
WO2011054450A1 (de) | Montagezange mit lösbarer gegenklinke | |
EP0281836B1 (de) | Gurtanschlussvorrichtung | |
DE2258777C3 (de) | Umkehr-Anschlageinrichtung fuer kraftbetaetigte Rohrzangen | |
EP0421206A1 (de) | Vorrichtung zum Sichern von Transportgütern auf Transportfahrzeugen | |
DE3228646C2 (de) | Parallelschraubstock mit Einrichtung zur Leerlaufverschiebung der beweglichen Spannbacke | |
DE3323150C2 (de) | ||
EP3038859B1 (de) | Teleskopierbare vorrichtung | |
DE69412040T2 (de) | Mechanische schraubenspannvorrichtung | |
EP4200532A1 (de) | Spannvorrichtung zum spannen von spannmitteln wie beispielsweise ketten, bändern, seilen oder dergleichen | |
DE202007008415U1 (de) | Werkzeug, insbesondere Abzieher oder Schraubzwinge mit schnellverstellbarer Druckspindel | |
DE20310296U1 (de) | Spannvorrichtung für Gurte o.dgl. | |
DE102015112545B4 (de) | Einspannvorrichtung zum Verspannen eines Werkstücks | |
EP4211365B1 (de) | Spannvorrichtung | |
DE2649880A1 (de) | Spannvorrichtung fuer ketten, drahtseile u.dgl. | |
DE19544376A1 (de) | Verriegelungsvorrichtung für Kraftfahrzeugsitze | |
EP4204712A1 (de) | Spannvorrichtung zum spannen von ketten, bändern, seilen oder dergleichen spannmitteln | |
DE102007039436B4 (de) | Spannwinde | |
CH673614A5 (de) | ||
DE1956136C (de) | Vorrichtung zum Öffnen und Schließen eines Hubschiebedaches, insbesondere an Eisenbahngüterwagen | |
DE310456C (de) | ||
EP2678477A2 (de) | Vorrichtung zum verriegeln zweier bauelemente und brückenverlegefahrzeug mit einer verriegelungsvorrichtung | |
EP1727750A1 (de) | Vorrichtung zum verbinden von transportvorrichtungen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20230109 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
INTG | Intention to grant announced |
Effective date: 20240514 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |