WO2014086337A2 - Chaîne d'élévateur à godets munie de joints à labyrinthe - Google Patents

Chaîne d'élévateur à godets munie de joints à labyrinthe Download PDF

Info

Publication number
WO2014086337A2
WO2014086337A2 PCT/DE2013/100384 DE2013100384W WO2014086337A2 WO 2014086337 A2 WO2014086337 A2 WO 2014086337A2 DE 2013100384 W DE2013100384 W DE 2013100384W WO 2014086337 A2 WO2014086337 A2 WO 2014086337A2
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
bucket elevator
transverse pin
elevator chain
flap
Prior art date
Application number
PCT/DE2013/100384
Other languages
German (de)
English (en)
Other versions
WO2014086337A3 (fr
Inventor
Dirk Schuchtmann
Original Assignee
Thiele Gmbh & Co. Kg
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 Thiele Gmbh & Co. Kg filed Critical Thiele Gmbh & Co. Kg
Priority to DE112013005839.1T priority Critical patent/DE112013005839B4/de
Publication of WO2014086337A2 publication Critical patent/WO2014086337A2/fr
Publication of WO2014086337A3 publication Critical patent/WO2014086337A3/fr

Links

Classifications

    • 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
    • F16G13/00—Chains
    • F16G13/02—Driving-chains
    • F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/12—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of individual load-carriers fixed, or normally fixed, relative to traction element
    • B65G17/126—Bucket elevators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/30—Details; Auxiliary devices
    • B65G17/38—Chains or like traction elements; Connections between traction elements and load-carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/30—Details; Auxiliary devices
    • B65G17/38—Chains or like traction elements; Connections between traction elements and load-carriers
    • B65G17/42—Attaching load carriers to traction elements
    • B65G17/44—Attaching load carriers to traction elements by means excluding relative movements

Definitions

  • the present invention relates to a bucket elevator chain for transporting loads according to the features in the preamble of claim 1.
  • the present invention further relates to a bucket elevator chain for transporting loads according to the features in the preamble of claim 11.
  • bucket elevator chains are used as circulating traction means for individual cups.
  • bucket elevator chains are used in vertical conveyors for a wide variety of bulk materials.
  • Bucket elevator chains are usually used in shift operation or in permanent processes, so that a time required to repair or repair the chain or even a complete replacement of the chain, regardless of the acquisition costs, leads to high downtime costs of the production facility.
  • an arrangement on a bucket elevator chain is known for example from DE 10 201 1 001 868 A1, in which different sealing means are arranged between the inner plates and the outer links of the chain itself.
  • different sealing means are arranged between the inner plates and the outer links of the chain itself.
  • the bucket elevator chain for the transport of goods, wherein the bucket conveyor chain in the longitudinal direction consecutively each having a pair of inner straps and a pair of outer plates, wherein a respective pair of straps connected rotatably to each other via a transverse bolt and the cross bolt is coupled via a sleeve with the inner straps and the Sleeve extends over the cross bolt between the outer plates, wherein further angle tabs are coupled to the bucket elevator chain, characterized in that bushings are arranged on the ends of the transverse pin, wherein in each case an outer tab is fixed in position by means of press fit on the cross bolt, between the sleeve and the outer tab and the outer flap and the inner flap each have a labyrinth sealing system is formed by positive engagement of the components with each other.
  • Positive engagement means in the context of this invention does not necessarily mean that the parts must lie directly against each other, but may be present to form the labyrinth sealing system between the individual parts a gap.
  • the respective form-fitting engagement is designed as a clearance fit. This then leads to no tilting of the bucket elevator chain or in the labyrinth seal system.
  • each tab is formed as a flat, elongate member, wherein at the ends of the tabs in each case an opening, in particular a circular opening, is formed, through which then the transverse pin or the sleeve is inserted.
  • the bucket elevator chain is constructed so running in cross-section from left to right, that externally a bush is placed on the end of the transverse bolt, followed by an outer plate, in which case a sleeve is inserted over the transverse bolt in the axial direction. The outer plates themselves are then coupled with a press fit on the bolt.
  • an inner tab is coupled to the sleeve, which surrounds the sleeve with its recess on the outer circumferential surface of the sleeve.
  • the sleeve can be particularly advantageously coupled to the inner flap, for example by a positive connection, adhesion and / or a material connection.
  • the sleeve rotates on the cross bolt as well as the outer bearing bushes. Consequently, the outer plates do not turn on the cross pin, but the outer bushes of the bucket elevator chain turn.
  • the bearing bushes do not fall off the outside of the cross bolt, either the bushings are coupled by a coupling with the cross bolt itself or alternatively, in a preferred embodiment, the bearing bushes with the angle tabs are at least positively received in the angle tabs such that in a coupling, in particular screwing , the Winkelellaschen with the cups of the bucket elevator chain a positive connection of the entire system is brought about. Due to the attached and coupled, in particular screwed, cup, it is thus only the angle brackets possible to move in the axial direction, except within the desired tolerance game.
  • a protective layer or a protective film on the outside entrance into the labyrinth which prevents dirt in the form of dust, takes place through a lubricant arranged between the components.
  • dusty dirt with small diameters it is also not possible for dusty dirt with small diameters to get between the moving parts, as they are prevented at the entrance of a respective labyrinth of the labyrinth seal assembly by the principle in operation of the bucket elevator chain outgoing lubricant to enter the labyrinth.
  • the bucket elevator chain according to the invention thus makes it possible, in a simple and efficient manner, to prevent wear by contaminants penetrating between the movable components, without thereby reducing the production costs the bucket elevator chain by expensive sealing measures or more expensive to arrange seals.
  • the assembly of the bucket elevator chain according to the invention is particularly simple, since it is the assembly path of a bucket elevator chain in the same, since only the individual components must be assembled and not expensive seals must be fitted with.
  • the bucket elevator chain according to the invention allows easy retrofitting on regular bucket elevator systems, since the dimensions for wheels or drive wheels and the dimensions for mounting cups do not differ from those of commercially available bucket elevator chains.
  • the sockets are always pressed into the angle lugs.
  • the sockets can not fall out of the angle brackets, which would require a complex or complicated assembly of the individual components. It is thus possible, in a simple manner, the angle brackets together with the bushes in the case of assembly or disassembly outside of the bucket elevator chains set up or remove.
  • the transverse pin has at its ends an end diameter which is smaller than an average diameter of the transverse pin.
  • the transverse pin is formed in the axial direction from an outer side of an outer flap to the outer side of the opposite outer plate with the central diameter such that the sleeve is mounted positively and rotatably between the outer plates on the transverse pin.
  • the outer plates themselves sit with a press fit on the cross bolt.
  • the Has mean diameter extends each end a length portion having the end diameter, which is received with its outer circumferential surface in the respective socket.
  • the bushings come to the front of the cross bolt to the plant, with a targeted gap between the bush and outer flap to form the labyrinth seal is set.
  • the two opposite angle brackets are bolted to a cup and thus close the cross bolt form-fitting between the two sockets. Due to the interference fit of the outer plate on the cross pin and the frontal contact of the bushing on the cross bolt itself, the gap thus has a targeted nominal dimension.
  • a slight axial play is intended, so that when warping a tilting or as part of the deformation occurring in the daily production of a cup is balanced so that tilting or seizure of the transverse pin between the two bushings largely avoided.
  • the game is adjusted so that the same ratio as between the sleeve and the cross pin is made to compensate for a distortion of the chain itself.
  • the cup does not necessarily have to be formed as a cup itself, but by any other coupling piece, for example, as an adapter plate may be formed.
  • the coupling piece is then screwed onto the angle tabs or held by other positive or cohesive or non-positive coupling such on the cross bolt that it is positively fixed in position between the bushes in the axial direction.
  • a projection is arranged in particular on a bushing in the radial direction, which comes into positive contact with the outer circumferential surface of the end of the transverse pin and wherein radially outwardly oriented on the extension within the socket, a groove is formed following, wherein an outer spring the outer plate in the groove is positively formed with a clearance fit for engagement coming. Further, following the groove of the sleeve in the radial direction following an outer extension of the sleeve in the axial direction formed projecting, wherein the outer extension engages over the outer spring of the outer flap form fit.
  • the outer plate has an inner spring, which in the axial direction in each case inwardly oriented the sleeve is arranged across and to form a labyrinth seal at this point is further formed between the inner flap and the sleeve an inner groove, wherein the inner spring of the outer flap in the inner groove form-fitting with a clearance fit is added.
  • the object of the invention with a bucket elevator chain for the transport of loads, wherein the bucket conveyor chain in the longitudinal direction consecutively each having a pair of inner plates and a pair of outer plates, wherein a respective pair of tabs is rotatably connected to each other via a transverse bolt and the transverse bolt via a sleeve with the inner plates coupled and the sleeve extends over the cross bolt between the outer plates, wherein further angle tabs are coupled to the bucket elevator chain, according to the invention achieved in that a stepped shoulder is provided on the ends of the transverse pin, wherein the diameter of the stepped shoulder is smaller than the diameter of the transverse pin and sockets are placed on the stepped shoulder, wherein between the stepped shoulder and socket and between the cross pin and sleeve the same fit dimension is formed, so that to be transmitted from an outer plate traction in each case substantially halve au f divides the inner flap and the angle flap.
  • the surface roughness of the transverse pin on the outer circumferential surface of the stepped shoulder is equal to the surface roughness on the outer circumferential surface of the remaining transverse pin.
  • a fit dimension is formed, so that the sleeve is rotatably mounted on the transverse pin.
  • the same measure of fit, hence the same play, between the inner circumferential surface and the outer lateral surface is also formed between the outer lateral surface of the stepped shoulder and the inner lateral surface of the bushes.
  • the tensile force of an outer flap to be transferred is thus transmitted substantially in half by both an inner flap and an angle flap.
  • a clearance fit or an interference fit is formed, in particular, between the sleeve and the transverse bolt and between the stepped shoulder and the bushing.
  • FIG. 1 shows a bucket elevator chain according to the invention in a perspective view
  • FIG. 2a and b the bucket elevator chain according to the invention in a side view and a plan view and
  • FIG. 3 shows the bucket elevator chain according to the invention in a cross-sectional view along the section line III-III from FIG. 2.
  • Figure 1 shows the bucket elevator chain 1 according to the invention in a perspective view obliquely from above.
  • Figure 2a shows the bucket elevator chain 1 in a side view and
  • Figure 2b shows the bucket elevator chain 1 in a plan view.
  • a pair of inner straps 3 and a pair of outer straps 4 are arranged one after the other in the longitudinal direction 2 in succession.
  • a pair of angle brackets 5 arranged with outwardly projecting angles and mounting holes 6 for coupling with cups not shown.
  • the outer plates 4 are spaced apart in a given distance a from each other in the axial direction A and maintain this position by a press fit on the cross bolt 8 at. Furthermore, a respective sleeve 7, the cross pin 8 is shown across, which is arranged between the outer plates 4, wherein the inner plates 3 in turn on the sleeve 7, in particular to form a press fit, are fixed. Thus, the inner plates 3 at a predetermined distance b are spaced from each other. Further, in the sleeves 7, the not shown recesses 9 of the outer plates 4 and the sleeves 7 cross-cross pin 8 are arranged, which are covered at their ends in each case by sockets 10.
  • the traction force F to be transmitted via the bucket elevator chain (1) is shown in FIG. This is transmitted in each case via an outer flap (4) with the force F / 2.
  • the inventive solution that both between the sleeve (7) and cross pin (8) and between the socket (10) and stepped shoulder (28), the same fit is formed, transmits each via an outer link (4) to be transmitted tensile force F / 2 each with a force F / 4 via an inner flap (3) and an angle flap (5).
  • Figure 3 shows a cross section along the section line III-III of Figure 2b, wherein each of the angle bracket 5, the outer flap 4 and the inner flap 3 and the sleeve 7 are shown. It can be seen that a sleeve abutment surface 1 1 of the outer plate 4, which is formed approximately form-fitting manner to form a clearance with an end face 12 of the sleeve 7 in the axial direction A to the system.
  • the outer plates 4 are arranged on the transverse pin 8 by means of a press fit. Between the outer plates 4, the sleeve 7 is arranged, wherein on the sleeve 7, in turn, the inner plates 3 by means of a press fit are arranged.
  • the outer bushings 10 come into positive engagement with an end face S of the transverse pin 8, so that a constant gap between the bushing 10 and the outer plate 4 adjusts to the labyrinth sealing system 13.
  • an outer labyrinth seal system 13 is formed, wherein in the axial direction A outwardly projecting outer spring 14 of the outer plate 4 in a groove 15 of the bushing 10 comes into positive engagement with a clearance fit.
  • an extension 16 is formed in the axial direction A on the sleeve 10, which is coming to a stepped offset 17 of the transverse pin 8 form fit to the plant.
  • the transverse pin 8 is in the context of the invention, as already mentioned above, fixed in position in the axial direction by the outer plates 4, which are mounted by means of press fit on the transverse pin 8.
  • An additional safety measure is carried out by the frontal placing of the sockets 10 on the transverse bolt 8, so that in the case of a release of the interference fit between the outer plate 4 and transverse pin 8, an additional fixation measure via the bushes 10 in the axial direction.
  • a step offset 17 is shown on the cross bolt. From here, the transverse pin passes from its central diameter 18 to an end diameter 19, wherein the end diameter 19 is smaller than the central diameter 18.
  • a stepped shoulder 28 is formed between the stepped shoulder 28 and the sleeve 10 and between the extending between the Conversenab mechanismsn 28 part of the transverse pin 8 and the sleeve 7 according to the invention.
  • the outer flap 4 has an inner spring 23 which extends in the axial direction A towards the inner flap 3.
  • the inner spring 23 covers at least partially in the axial direction A, the outer circumferential surface 24 of the sleeve 7 and comes between an outer circumferential surface 24 of the sleeve 7 and an inner groove formed by the inner tab 3 25 positive fit with a clearance fit to the plant.
  • a 90 ° angle is formed four times on the second labyrinth sealing system 22 by an opening 26 in the radial direction R until a potential contamination entering the transverse pin 8 is reached.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chain Conveyers (AREA)

Abstract

La présente invention concerne une chaîne d'élévateur à godets servant au transport de produits, la chaîne (1) d'élévateur à godets comportant respectivement une paire de maillons intérieurs (3) et une paire de maillons extérieurs (4) se suivant dans une direction longitudinale (2). Les paires de maillons respectives (3, 4) sont reliées l'une à l'autre de manière à pouvoir tourner par l'intermédiaire d'un tourillon transversal (8), le tourillon transversal (8) est raccordé aux maillons intérieurs (3) par l'intermédiaire d'une douille (7), la douille (7) s'étend sur le tourillon transversal (8) entre les maillons extérieurs (4), et des maillons angulaires (5) sont par ailleurs raccordés à la chaîne (1) d'élévateur à godets. La chaîne (1) d'élévateur à godets est caractérisée en ce que des coussinets (10) sont agencés sur les extrémités du tourillon transversal (8), chaque maillon extérieur (4) étant fixé en position sur le tourillon transversal (8) par ajustement serré et un système d'étanchéité à labyrinthe (13, 22) étant formé respectivement entre le coussinet (10) et le maillon extérieur (4) et le maillon extérieur (4) et le maillon intérieur (3) par mise en prise des pièces les unes avec les autres par complémentarité de forme.
PCT/DE2013/100384 2012-12-07 2013-11-15 Chaîne d'élévateur à godets munie de joints à labyrinthe WO2014086337A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112013005839.1T DE112013005839B4 (de) 2012-12-07 2013-11-15 Becherwerkskette mit Labyrinthdichtungen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202012104764.0 2012-12-07
DE202012104764U DE202012104764U1 (de) 2012-12-07 2012-12-07 Becherwerkskette mit Labyrinthdichtungen

Publications (2)

Publication Number Publication Date
WO2014086337A2 true WO2014086337A2 (fr) 2014-06-12
WO2014086337A3 WO2014086337A3 (fr) 2015-01-29

Family

ID=47751792

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2013/100384 WO2014086337A2 (fr) 2012-12-07 2013-11-15 Chaîne d'élévateur à godets munie de joints à labyrinthe

Country Status (2)

Country Link
DE (2) DE202012104764U1 (fr)
WO (1) WO2014086337A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11525495B2 (en) * 2017-04-11 2022-12-13 KettenWulf Betriebs GmbH Link chain

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104326219B (zh) * 2014-10-22 2016-08-24 王贤淮 一种可调限位间距的传送链组及传送装置
CN104444093A (zh) * 2014-11-21 2015-03-25 东风柳州汽车有限公司 汽车淋雨检测输送线用链条
CN108792434A (zh) * 2018-05-03 2018-11-13 安徽黄山中友链条制造有限公司 一种防尘、防弯的水泥鳞板机链条
EP4101792B1 (fr) * 2021-06-09 2024-03-27 BEUMER Group GmbH & Co. KG Chaîne transporteuse pour un transporteur

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011001868A1 (de) 2010-04-27 2011-10-27 Tsubakimoto Chain Co. Dichtkette

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1292168B1 (it) * 1997-06-16 1999-01-25 Catene A Rullo Fratelli Fossat Catena meccanica perfezionata
DE20103711U1 (de) * 2001-03-02 2001-06-07 Beumer Maschf Gmbh & Co Kg Gelenk(förder)kette für einen Zellenförderer, insbesondere ein (Ketten-)Becherwerk mit Zentralkette(n)
JP2008075854A (ja) * 2006-09-25 2008-04-03 Tsubakimoto Chain Co 無給油チェーン
JP4302754B2 (ja) * 2007-05-15 2009-07-29 株式会社椿本チエイン 無給油チェーン
DE102009031437B4 (de) * 2009-07-01 2015-10-22 Thiele Gmbh & Co. Kg Becherwerkskette

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011001868A1 (de) 2010-04-27 2011-10-27 Tsubakimoto Chain Co. Dichtkette

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11525495B2 (en) * 2017-04-11 2022-12-13 KettenWulf Betriebs GmbH Link chain

Also Published As

Publication number Publication date
DE112013005839A5 (de) 2015-09-24
WO2014086337A3 (fr) 2015-01-29
DE202012104764U1 (de) 2013-01-30
DE112013005839B4 (de) 2020-03-12

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