DE2137858A1 - Conveyor system - Google Patents

Description

July I97I

Conveyor system (22 726) '2137858'

The invention relates to improvements in a conveyor system that Has conveyors held on a running rail and driven thereby is that drive claws are on the conveyors with push members of a separately held drive device in engagement. the Improvements according to the invention allow the length of the conveyor to be increased or decreased as desired, thereby making it easier to handle a variety of different goods lengths in a single system and an adaptation of the conveyor length to the condition the goods is made possible. For example, in a system where conveyors circulate between a loading and an unloading station, the unloaded »conveyors returning for reloading in their Its length can be reduced in order to save space, and its length can then be increased again as it is to adapt to the next Load is required.

The invention consists in a conveyor system with a transport running rail, with a conveyor device containing trolleys held on the transport running rail, and with one held on an adjacent rail Drive member which has a push member which can be latched into a drive claw on the conveyor device, and wherein the conveyor device at least has a front and a rear trolley which are connected to one another by a tow bar, daring that the tow bar a front towbar link connected to the front trolley and directed towards the rear trolley, and one connected to the rear trolley connected and directed to the front trolley rear tow bar link on v / eist that guide means are provided, which in at least

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at least one of the tow bar links is held and the other Tow rod link in the V / eis ^ e cause it to be telescopic Longitudinal displacement of the two links and thus an increase and decrease in the dimensions of the conveyor device along the transport running rail enable, and that a disengageable ratchet device that the tow bar links in one of several selectable positions holds, and ratchet release means are provided next to the transport running rail are arranged. A change in the length of the conveyor device can be achieved either by arranging the ratchet disengaging means '' in a rising area of the transport running track or by means of a facility an alignment station for the conveyor lengths, in which, in connection with the ratchet disengagement means, an auxiliary pusher device sur Application that engages in a part of the conveyor and this adjusted relative to the other part of the same so that a relative Longitudinal displacement between the tow bar links takes place.

In the preferred embodiment shown here, the drive claw of the conveyor is on one behind the front trolley arranged drive trolley and the ratchet disengaging means are in an upwardly inclined area of the transport running rail installed behind an unloading station, with the result that all conveying devices that pass these ratchet disengaging means are automatic can be reduced to a minimum in length for the return path to the charging station.

Preferably, the ratchet device consists of a ratchet member, attached to one of the towbar links and with a part in one of several along the other towbar link distributed stops engages, as well as from a latch lock,

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def rait the pawl member can be brought into engagement and this then able to lock either in the engagement position or in the disengagement position. The pawl member and the pawl locking member are cams actuated, which are arranged next to the transport running rail.

The aforementioned and other features and advantages of the invention are illustrated by means of an exemplary embodiment shown in the drawing the same described and explained in more detail below. Show it

FIG. 1 shows a side view of a conveyor system and a conveyor device designed according to the invention;

Figure 2 is an enlarged sectional view as indicated by lines 2-2 of Figure 1 in which

also shown is a ratchet device on the conveyor and ratchet release means which are arranged next to the conveyor track;

FIG. 3 shows an enlarged view of the front part of the conveyor device according to FIG. 1;

Figure * f is a sectional view along line kk from Figure 3,

which shows a partial view of the device for changing the length of the conveyor device;

Figure 5 is an enlarged view of the tow bar part of the conveyor device from Figure 1;

FIG. 6 shows an enlarged section along line 6-6 from FIG. 5;

FIG. 7 shows an enlarged section along line 7-7 from FIG. 5i

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FIG. 8 shows an enlarged section of the ratchet device and the disengaging means of FIG. 2 according to section line 8-8 from FIG. 5J

FIG. 9 is a partial view of a release means j shown in FIG. 2

Fig. 10 is a plan view of the arrangement of Fig. 9;

11 is a schematic view of a load transfer bation and a process for reducing the conveyor length} and

Fig. 12 is a schematic plan view showing the Operations in reducing and increasing the conveyor lengths.

As can be seen from Figures 1-4, the conveyor

location to which the improvements according to the invention relate, an upper drive rail 10 for trolleys 12, which are connected to an endless drive link or drive chain 13, which in turn is conventional, here drive means not shown is driven. Below the drive rail 10 is with the help of a hanging device 14 a transport running rail 16 formed from a pair of U-profile supports 17 is attached. One on the running rail 16 held conveyor 18 has a

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Drive trolley 20 with a locking claw 23 and a drive claw 21, which is detected by a cam 22, which is attached either to the drive chain 13 or to one of the chain support trolleys 12, as shown in FIG is. The drive trolley 20 can be designed in such a way that the drive claw 21 opposite the cam 22 is movable between a drive position and a holding position, so that the conveyors at each point of Plant can be stopped if necessary.

The conveyor is designed for handling relatively long, heavy loads 24, for example vehicle chassis, and has a front trolley set 26 and a rear trolley set 27. Each of these sets is equipped with a pair of load-carrying trolleys 28, and the drive trolley 20 is connected by a tie rod 30 to the harder trolley set. These However, the arrangement of the trolleys is only an example. So can the front and the rear trolley set with lower Loads only consist of a single trolley; on the other hand, the drive trolley in In some cases they can also be used as a load transport trolley and are arranged at the front end of the conveyor be. Some advantages described below can then be achieved with the present invention, when the drive trolley 20 and the drive claw 21

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with the rear trolley or trolley set 27 of the conveyor device are connected, but it is also considered to be within the scope of the invention if a drive s-iaufkatze in the form of a front support trolley of the conveyor device or in the form of one with such a front support trolley connected towing unit is used.

Regarding the trolleys, one points for a conveyor system according to the invention usable conveyor device as necessary components at least a front and a rear Trolley and a drive claw.

FIGS. 2-4 show the design of the front trolley set 26, which essentially corresponds to the rear trolley set 27. A shaft 32 having mounted near its lower end collar 33 is connected to the body of each of the pair of trolleys 28 by means of a horizontal bearing pin 34 and a bushing 35 is ψ rotatably mounted on each shaft 32, wherein a thrust bearing 36 between the sleeve 35 and the shaft collar 44 is provided. A pair of load carriers 37 extending in the longitudinal direction are connected to the pair of sockets 35 and to a central load carrier socket 38, as best shown in FIG. The bushing 38 rotatably supports a vertically directed shaft 40 which is attached to a pair of load

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Quertx ^ ern 42 attached and a cross bolt 45 with a hanging beam 44 is connected to one of the cross beams 42 attached collar 46 is supported on a bearing 47 provided at the upper end of the bush 38 ο load bearing = · Hangers or load hooks 50 are each suspended by means of a chain 51 on a bracket 52 attached to the cross members 42.

The front and rear trolley sets 26 and 27 are interconnected by a tow bar 54 (Fig. 1), which consists of a front tubular part 55, the attached to the hanger bracket 44 of the front trolley set 26 and extends toward the rear set of trolleys and a rear tubular member 56 is of larger diameter, which is attached to the hanging bracket 44 of the rear trolley set 27 and towards the front set of trolleys.

Details of the structure of the tow bar 54 are shown in Figures 5-7. Support elements attached to at least one of the towbar links 55 and 56 are attached, engage the other towbar link so that that they have a telescopic longitudinal movement of the two. allow the limbs against each other, creating an enlargement or reducing the length of the conveyor 18 along the transport runner 16 is made possible. the

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Si ^ Sf3iil © pps'uaag @ Eiglisd © s' 55 isid 56 sind wil'belnsmdQT Is ΐΙΐΐΘί? γοΐί ΜθΙλΤΘΤ-Θΐί i; MküJ3Qj? QZL Esla'fei'y'S'eelliEigeii diiroii θΙώ.θ aiisi-tielibas ³ © EÜEfls © avu2 / rioi2tiEig 66 snsaaiaeageMten ^ i-jle am "bestsia from S lis ,. This Ellslsea, = "" o ^ diligent ea'öSiält ela ELiiaksnglieö 67 ailt a locking =

piece 68 j the dn2; ³ ch an opening 69 in des Sclilepps * bang @ n- = member 56 liiaaiiroli grips; and locks into one of several detents 70 fitted on the other tow bar link 55 at matching intervals , as well as a pawl locking member 71 with a detent 72 which can snap into a notch or 74 on the pawl member 67. A pair of plates .76 and 77 (Fig. 5) is on the outer one

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The tow bar link 56 is attached and forms a console in which the pawl link 67 is attached by means of a pivot pin 78 and the locking member 71 by means of a pivot pin are stored. The pawl member 67 has a transverse arm 80 with a roller driver 81 and dJeser Arm 80 acts as a counterweight to pawl pivot 78, thereby making pawl member 67 normally is brought into the position shown in FIGS. 2 and 8 by the solid line, in which the Locking piece 68 engages in a detent 70 on the tow bar link 55. The locking member 71 also has a transverse arm 82 equipped with a roller driver 83, but the section 84 of the locking member, which is on the opposite side of the pivot 79 from the arm 82, with sufficient Mass provided to act as a counterweight, the mass of arm 82 being overcome and the locking member in a position is forced in which the locking lug 72 of the locking member in one of the notches 73 or 74 on the Pawl link 67 engages. In the fully extended or locked position of the links shown in FIGS is, the locking lug 72 of the locking member engages in the notch 73 of the latch member and blocks it Jackcloth in this position.

Ratchet release means are next to the transport running rail elements 17 at any desired point on the conveyor system

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arranged and shown in Figures 2 and 8-10. The release means have a cam 86 shown on the left-hand side of FIGS. 2 and 8, which brings the pawl member 67 from the locked position shown in solid line to a disengaged position, as indicated in broken line in FIG is suitable, as well as a cam 88 on the right side of Fig. 2 and 8, where the CAPS lOCK w member 71 from a position shown in solid line locking position in a can bring 8 indicated disengaged position with a broken line in Fig..

9 and 10 show the design and arrangement of the cam 88, consisting of an appropriate one on one of the Running rail members 17 attached support frame 90; the Cam 88 has, as shown in Fig. 10, an actuating part 91 which extends at an angle to the rail 17, | and a holding part 92 running parallel to this.

The structure and arrangement of the cam 86 is similar to that of the cam 88. However, it must be taken into account that the cam 88 associated with the locking member in the course of the conveyor device track in front of the one associated with the pawl member Cam 86 is arranged so that the locking member 71 is brought into the disengaged position in front of the pawl member 67, The holding part 92 of the anchoring cam 88 also ends in front of the corresponding part of the pawl cam 86, so that the

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FeststsllgXisd? 1 "ϊ-uv -Iss liag ^ iff dies! Fcekea.s 88 ^ efrsit m:? D '.« Ad dis Essiiuiss? £ ia dio Sasfö © 74 on the latch »limb 57 aia ^ SiSt ^^ j' Baptist-sfe aas IOE, i3iSea.gli®d ia ssiaer off = gs ^ lieiräsn ötslliEig f sstgoJaaltes ?, m iio DIösq mutual ¥ er · iisltais since Hocira;:?. 36 xs 38 is * fe AeSi of Figo 12 gszsigt and uii'd Ie · iOlfi äl bii

The i / igui ^ a 11 csiici IS "^ T & msxllOh & ii especially her ^ ro ^ s'cslieii lisrisiBSil © i'5id. ¥ οϊ / ΐο11 <3 ₅ cliQ ia ei52 @ A 'conveyor dnrsh the UrfiaciüSis © STeis ^ re; ^ ei -äsa IsBKmQn ₀ I »i- the Fis _o 11 mrcl the load 24 of the 3'federges / ät 18 the overhead ssigeferasliten ilsitrielbs« lüad iz ^a o.ü = 3S & 5. ^v »äiös'de5, ~ iiilag® ₉ die i: «i der durob. de« i P £ eil 9 ^ - aageöDii'öG'üöa SiGSiiÄzag "7QJfIaHfSSi ₅ as, sisi ®cli®iaa => • iron depicted FS ^ clor & aad 95 passed into the? gl © iek © a RieiruSig © Brille ^ © g'Ci, til © d ^ ireh d®a arrow 96 aage = shows mr-do

At ifeiaaiasPisng mi das tiö @ 5? Gsib @ g © bi @ "t, the Schfiaen 10 and 16 of the overhead laiafeadea Fos ^ deraiilage stufem ^ eise down gsseigii to stss Br-s-eieiiea oiaes Las" büfeergab®pi2nlrbe _t s _s the .diireh the 3 © Zugssiff @ r 97 is operated and on which the front © lad © of the load 24 rests on the conveyor belt 95 raid the load hook 50 (Figo i) _g the front end of the load 24 SmXteSp manually from this solved iferden kömien _o The rear drawer of the load is still hanging on the conveyor = ·

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device 18 _f which runs at essentially the same speed as the conveyor belt 95 until the rear trolley set 27 of the conveyor device also reaches the load transfer point 97 and the load can be completely released. Behind the load transfer point 97, the conveyor track rails 10 and 16 are inclined steeply upwards (reference number 98) in order to return the conveyor device to a free running height. By driving the conveyor device forward from the drive trolley 20 via the rear trolley set 27, the conveyor device can be brought out of the transfer zone in a shorter time and in a smaller space. The front end of the conveyor device can on the rise area 98, which changes the relative speed with respect to the conveyor belt 95 immediately after the load has been set down, begin to rise to a free running height, while the load is subsequently removed from the rear set of trolleys 27 with one for the transfer to the conveyor belt 95 adapted relative speed is transported.

An empty conveyor device running uphill on the ascent area 98 could also immediately be passed on to another drive feed, indicated by the upper rail 10 * are brought back to a conveyor location or loading zone at a different speed to become.

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Empty conveyors can also be automatically reduced to a minimum length by running along the upwardly inclined portion 98 release cams 86 and 88 for the ratchet device can be provided, as in the drawing is shown. These trigger cams are shown in accordance with the schematic shown on the right-hand side of FIG Arranged representation. The cam 88 engaging the pawl anchoring member 71 is aligned with the direction of travel 94 arranged in front of the cam 86 which engages the pawl member 97. As a result, the pawl locking member hits 71 on the cam 88 and is lifted into a disengaged position with respect to the pawl member 67 before the the latter encounters the cam 86 and thereby into a disengaged position relative to that on the front tow bar link 55 attached lock 70 is lifted. The pawl locking member 71 is released from the cam 88, while the pawl member 67 is still engaged with the cam 86; thereby the pawl locking member 71 reverses from its fully disengaged position to a locked position back, in which his locking lug 72 engages in the notch 74 on the latch member 67, so that if the pawl member 67 disengages from the cam 86, the locking member 71 holds the pawl member in the disengaged position.

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The interaction of gravity and the forward movement of the rear trolley set 27 causes the tow bar

iftw genglieder 55 and 56 slide telescopically / finely, until the smallest possible conveyor length is reached, the by abutment of the rear towbar member 56 against the front hanging bracket 44 or by other suitable limiting means is fixed. The pawl locking member 71 then meets a second shown in FIG Cam 88, whereby the locking lug 72 is lifted out of the notch 74 on the pawl member 67, which thereby in an engaged position falls, whereupon the locking member returns to its locking position.

The components required for a conveyor length alignment station are on the left-hand side of FIG. 12 shown schematically, and it is assumed that each conveyor before it arrives at this station, on the * The previously described way has been reduced to its smallest length. These components include a conveyor stopper 100 with a brake plate 101, which the The drive claw 21 of the conveyor device is depressed and a brake claw 23 on the drive trolley 20 hits, furthermore a cam 88 for the locking member and a cam 86 for the pawl member, both by means of adjusting cylinders 102 and 103 can be brought into predetermined positions, and finally an auxiliary thrust device 104,

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which consists of a suitably driven and one or more slides pointing in one direction 106 excavated propulsion element 105 consists.

If the length of the conveyor should be changed, the stopper 100 is actuated, whereby the brake plate is brought into the braking position shown and the The conveyor drive trolley 20 along with the rear trolley set 27 and the rear tow bar link 56 is braked in a position in which the pawl is released by the cams 88 and 86, which also s </ are arranged to come into engagement with the pawl locking member 71 and the pawl member 67, respectively. In In this position of the conveyor, the load crossbeams 42 on the front trolley set 26 of a Slide 106 are detected so that when the auxiliary Sehubvorrichtung is operated, the front trolley set 26 and the front tow bar link 55 to one of the desired Conveyor length corresponding distance can be brought. The actuating cylinders 102 and 103 are then operated to release cams 86 and 88 and anchor tow bar members 55 and 56 to one another will. The brake plate 101 is then withdrawn and the conveyor is replaced by the next one Push bolt 22 taken along.

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The function of these various components of the length alignment station is preferably automatic, for example according to the setting of a predetermined conveyor length, , regulated by a control device, which has not been shown here, as such a device can be easily performed by a person skilled in the art of control engineering.

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Claims (3)

Claims; 1.! Conveyor system with a transport running rail, with a ^ - "^^ Conveyor that is held on the transport runner Includes trolleys, and with one on an "adjacent rail." held drive member which has a push member which can be latched into a drive claw on the conveyor device, and wherein the conveyor device is at least one front and one rear trolley connected to each other by a tow bar are connected, characterized in that the tow bar (54) is connected to the front trolley (26,28) connected and to the rear trolley (27 »28) directed front tow bar link (55) and one with the rear Trolley (27, 28) connected to the front trolley (26, 28) directed rear tow bar link (56) that guide means (58, 59, 60-63) are provided, which are held in at least one of the tow bar links (56,05) and the other tow bar link (55,56) in such a way that they result in a telescopic longitudinal displacement of the two links and thus an enlargement and make it possible to reduce the dimensions of the conveyor device (18) along the transport running rail (16), and that a disengageable ratchet device (67, 68 70,71,72), the holds the tow bar links (55, 56) in one of several selectable positions, and pawl release means (86, 88, 91, 92, 102, 103) are provided, which are arranged next to the transport running rail. - 18 - 209809/1083 -.18 - 2. Conveyor system according to claim 1, characterized in that the transport running rail (16) has a rise) he calibration (98) has, in which the pawl release means (86,88) are arranged in such a way that the length of the conveyor (18) can be changed automatically according to the disengagement of the ratchet device. fc 3. Conveyor system according to claim 1, characterized in that the drive claw (21) of the conveyor (18) is attached to the rear end of the front trolley (26, 28). 4. Conveyor system according to claim I. or 3 »characterized in that that the drive claw (21) of the conveyor (18) on one with the drive trolley (20) connected to the rear trolley (27, 28). 5. Conveyor system according to claim 4, characterized in that the drive trolley (20) between the front (28, 28) and the rear trolley (27, 28) is arranged. 6. Conveyor system according to claims 3-5 »characterized in that that the transport running rail (16) has an upwardly inclined region (98) and that the ratchet disengaging means (86, 88, 91, 92) hold the ratchet device in the disengaged position as long as at least the front trolley (26, 28) in the upward sloping area (98) 209809/1083 the transport runner is located in order to increase the length of the To reduce the conveying device » 7. conveyor system according to one of claims 1 = 6 _? characterized in that the pawl device has a plurality of longitudinally distributed detents (70) on one of the tow bar members (55 »56) and a pawl member (67, 68) which is on the other tow bar member for actuation between an engaged and a disengaged position with respect to a lock (70) is arranged _o "8. Conveyor system according to claim 7» characterized in that the Idinkenvorriclitung has a locking member (71 ₅ 72) which is attached to the other tow rod member _y to with respect to the KlinkengXiedes (67 _P 68) normally from a Yerankerungs- = in © in © linear position to be forced j whereby the locking member (7I ₉ 72) in the engagement = and Verankenmgsstellenmgen detachable in recesses (73-74) on the latch member for the engagement or disengagement 9ο conveyor system according to "claim 8 ₀ characterized in that the laiislsen = miä anchoring members (67 ₉ 58 ^ 71, 72) each = wells contain a Mitnslimteil" (SO ₉ 81 ₉ 82 ₃ 83) and that the means for actuating the latch supply Klinken = and YeT'si & ZQTiMigBiiQQk.en (86 ^ 88) have _P - the same of the β 20 = ^ fm Pa ü Φ) P-% Τ} ' P "3 Transport running rail (16) for engagement by the corresponding driver parts are arranged in such a way that they move the locking member (71 »72) out of the blocking position, the pawl member (67, 68) from the engaged to the disengaged position, the locking member (71, 72) in an anchoring position move with respect to the pawl member (67 »68) and move the pawl and locking member (67, 68; 71» 72) disengage to bring it back into an engaged or locked position. 10. Conveyor system according to one of claims 1-9 »characterized in that that the front and rear tow bar links (55 »56) are telescopically arranged inner and outer tubes are made and that the guide means attached to at least one of the tow bar links are attached and the other tow bar link guide and carry inner rollers (62, 63), which are attached to the inner tube (55 ^ and with the inner W surface of the outer tube (56) are in engagement, and outer rollers (58) attached to the outer tube (56) and engage the outer surface of the inner tube (55). 11. Conveyor system according to one of claims 1-10, characterized in that that the pawl release means (88, 102; 103) at an alignment station for the conveyor length - 21 - 203S09 / 1Q83 "- 21 - are arranged, the means (100, 101) for braking one of the two trolleys (26, 27) and one next to the transport running rail (16) arranged device (104-106), which brings the other of the two trolleys into a desired conveyor length. 12, conveyor system according to one of claims 1-10, characterized characterized in that the pawl release means (86, 88} 91, 92) are arranged behind a transfer station, at which a load (24) is deposited from the conveyor device (18), the tow bar links (55, 56) correspondingly take up an elongated position. 13 · Conveyor system according to claim 12, characterized in that the transfer station is one at which one Load (24) by means of spacers (50, 51) on the front and the rear part of the conveyor device is held so as to be detachable, deposited on a receiving conveyor belt (95) and the drive claw (23) of the conveyor (18) is connected to the rear part of the conveyor, whereby the front load intermediate piece (50, 51) can be triggered, while the load (24) through the rear Load spacer (50, 51) is advanced. 209809/1033