MXPA96004093A - Superior chain conveyor of single track odo - Google Patents

Abstract

The present invention relates to a single or double rail top chain conveyor in particular for transporting past loads such as parts of motor vehicles, having a chain track in the form of an I-shaped profile are a gear of A race that can move along the track and has roller blocks for mounting rollers that are held in the chain track, the roller blocks being connected to the traction means for pulling the moving gear and the gear is designed to a single track upper chain conveyor in the form of a gear in the form of a traction moving gear that interacts with the load moving gear moving in a loading track running below the chain track, characterized because the pulling means is a band consisting of a rubber material having a single-strip insert of metal, fiberglass or carbo fiber

Description

SUPERIOR CHAIN CONVEYOR OF SINGLE OR DOUBLE TRACK DESCRIPTION PE THE INVENTION The invention relates to a single or double track upper chain conveyor, in particular for transporting heavy loads, such as parts of a motor vehicle, having a chain track in the form of an I-shaped profile, With a ', / stroke gear that can be moved along the track and have roller blocks for mounting rollers that are supported on the chain track, the roller blocks are connected to a pulling means to pull the roller gear. Race and the career gear, 5 is designed for a single chain top chain conveyor, in the form of a load stroke gear and for an upper chain conveyor of - "double rail in the form of a trailer travel gear that interacts with a movable load 0 travel gear on a load rail running down the chain track." The upper single chain rail conveyors are continuous conveyors in which the transported material is always under a means of traction of a single rope, that is, suspended.The REF: 23122 transportation process is positive here with the transport route available anywhere within the area and possible curves are possible. Both in the horizontal and vertical planes, a general principle, the steel chains in the form of chains of bolt links or flat links are used as a means of traction, steel ropes or textile ropes are only possible for lightweight single rail top chain conveyors, so that they are automatically secured, as a rule, positive impulses. However, intensive maintenance and inspection are required for the type of traction medium. An endless conveyor is known as NL-A-7 014 018, wherein a cable coated for example with nylon, to protect itself from corrosion, is used as a medium? . . . ae traction. In addition, 3 of the classic single or double rail top chain conveyors, as illustrated and described in, for example, Lueger Lexikon der Technik, Fordertechnik und Fabrikorganisation Vol. 1, p. 246 ff. , published by Ro ohlt Tasc enbuch Verlag GmbH, Germany, a large number of transport devices 5 per suspension are known with design features that may differ from those described above.

For example, in a hanging type conveyor according to the German patent DE-AS 1 230 354, a traction strip running on one edge is used, in which several traction strands parallel in the longitudinal direction are vulcanized in the inside the band. A transport system of the corresponding hanging type is usable, however, < . exclusively for use in a horizontal plane, since otherwise a tensile stress would be exerted on the traction cords arranged one above the ctra, varying with sufficient amplitude to break those cords. 15 Suspension devices designed for the transport of clothing products are described in German patent applications DE 4017821 Al and DE35 10 '' 195 Al. Here, a driving band may interact with supporting pawls of support brackets to move the clamps along a guide track formed by a square section. Plastic rails specially designed to guide the driving structure are required. In the case of load carriers according to patents DE 41 21 772 A1, DE 27 40 594 Al, Uo 26 78 715. Lt 3 2 980 258, DE 25 45 676 Al, adena links are used that are bootable by example by friction wheels. The chain links can be connected at their connection points to a towing gear. The object of the present invention is to develop a chain conveyor superior to one or two rails of the type mentioned above, so that an almost maintenance-free traction means can be used, which can be driven without problem, and can be guided in a simple way with respect to the route, however, without having to make changes in the upper chain conveyor of single or double rail, at least as far as the chain track and load track are concerned. The problem is basically solved according to the invention, because a strip comprising rubber or plastic material, a single insertion in metal rope, fiberglass or carbon fiber is used as pulling means. In particular, the band is a rubber band with a rectangular cross section inside which a steel insert is vulcanized, preferably concentrically to the longitudinal axis of the band. By the teachings according to the invention, the disadvantages inherent in the known single or double rail upper chain conveyors are eliminated due to the linking chains of bolts or flat links that are used, without losing the advantages obtained to the use a chain conveyor 5 upper chain d 'one or two rails. As a result of the fact that the single or double rail top conveyor according to the invention, differs from those known only because, the bolt link chain or the! flat link chain, is replaced by the rubber band u has a steel insert, the lubricants required for the chains are no longer necessary. The wear that would otherwise occur on the joints of the chain links is also prevented. It is also advantageous that the single or double rail upper chain conveyor can operate with little noise. However, the usual tensioning forces can be transmitted with the single or double rail upper chain conveyor to the link and flat link chains, since the rubber band contains a metal insert preferably designed as a steel cord. Since the insert such as a metal insert is single-stranded and extends especially coaxially to the longitudinal axis of the strip, the ascending and descending sections can be traversed without problem, since the steel insert is always subjected to the same load and therefore, no different tensioning efforts are made. The use of a belt allows a higher transport speed compared to a single or double rail top chain conveyor with conventional chain. The speed can be increased here, from 50 to In addition, fewer tensioning stations are necessary, since the wear on the pulling means is presented, as already mentioned in a negligible amount. By contrast the chain links of a traction chain if subjected to considerable wear. By the use of a band comprising plastic and especially rubber, it is also possible to use the invention in the food processing industry, since the lubrication of the traction means is not necessary, nor does the traction means have areas other than easy access. In order to allow the use of the traction means proposed according to the invention even without fundamental changes to the trailing stroke gear, and thus to the roller blocks, it is provided in a further characteristic of the invention, that the band has cuts. side to accommodate the roller block on the sides of the trailer stroke gear. The band at 31 may have a width corresponding to that of the chain of bolt links or flat links used in a single or double rail upper chain conveyor. Here, too, it should be emphasized, that with the exception of the traction means, / - The teachings according to the present invention can be used without design changes in the upper chain conveyors of single or double rails. In order to allow the drive of the The pulling means, for example, by a friction grip another feature of the present invention, provides for the belt to run with respect to its side surfaces aligned or nearly aligned with the outer surface sides of the roller blocks, so that last ones do not harm the impulsive action. If, as a result of a failure, the plastic rubber band breaks, a repair can be carried out simply by exposing the metal inserts at the ends of the band and connecting them with the use of fasteners to a wire rope that runs parallel to the ends. According to a separate proposal of the invention, the use of a band comprising a rubber or plastic material with a steel insert running coaxially to the central axis of the band and replacing a bolt link chain, or The flat link of a single or double rail upper chain conveyor is characterized in that it comprises a chain track in the form of an I-profile, with a movable stroke gear along the latter, and which interacts with the gear of race and load moving on a load rail that runs down the chain track or itself designed as a race and load gear. In a single or double rail top conveyor according to the invention, the band can be guided between friction wheels that serve as a driver. Alternatively, it is possible for the band to be guided between endless bands, which serve as an impeller. Finally, it can be provided that, along one side of the web, pressure rollers are arranged in line while an endless drive belt is provided on the opposite side and associated with the pressure rollers. The belt is guided between the drive belt and the pressure rollers, and is driven by a friction grip. To form horizontal curves, it is enough that the band is guided along rollers whose axes are. . arch or circular section. Alternatively, the band can be guided along a section of a rotatingly mounted disc. However, a vertical curve is also feasible in a simple manner, in this way, it is only necessary that between the race gear units connected directly or indirectly to the load support, spacers that extend from the way, and are connected, be arranged. to the band thus ensuring that the band follows the route established by the route. The teachings in accordance with the invention are, of course, also transferable to an iso conveyor, which as a single or double rail top chain conveyor does not have to undergo a design change, since only the medium of the medium needs to be replaced. traction. Other details, advantages and characteristics of the present invention are indicated not only in the claims and their isolated characteristics and / or in combination, but also in the following description of the embodiments shown in the drawings. Where : Figure 1 shows a section of a double rail upper chain conveyor according to the prior art; Figure 2 shows a double track upper chain conveyor, according to Fig. 1, in the direction A; Figure 3 shows a section of a double rail upper chain conveyor designed in accordance with the present invention; Figure 4 shows the upper double rail chain conveyor according to Fig. 3, in the direction A: Figure 5 shows a section of a single rail upper chain conveyor according to the prior art; Figure 6 shows a single rail upper chain conveyor according to Fig. 5, in the direction A; Figure 7, a section of a single rail top chain conveyor designed in accordance with the present invention; Figure 8 shows the single rail upper chain conveyor according to Fig. 7, in the direction A; Figure 9 shows a section of a race gear unit of the double rail upper chain conveyor according to Fig. 1; Figure 10 shows a cross section to t-r? s of a traction means used in accordance with the invention for the double-rail upper chain conveyor according to Fig. 3; Figure 11 shows a section of a race gear unit of the double rail upper chain conveyor according to Fig. 3; Figure 12, a suitable connection of sections of a traction means used according to the invention; Figure 13, a first embodiment of a horizontal curve of the traction means with the drive for the latter; Figure 14 shows a second embodiment of a horizontal curve of the traction means with the drive for the latter; Figure 15 shows a section of a vertical curve of a double-rail upper chain conveyor; Figure 16 shows a section of a vertical curve of a double track upper chain conveyor; Figures 17-19 show various modes of impellers for the traction means. In Figs. in which the identical elements are as a rule provided with identical reference figures, the detailed sections or views of an upper chain conveyor with one or two rails are shown so that their general design corresponds to the conventional structures. For that reason, Figs. 1 and 2, 5 and 6 respectively show a double-rail upper chain conveyor (10) and a top chain conveyor (12) of a standard design. The double-rail upper chain conveyor (10), shown in the section of Fig. 1, (power and free conveyor), therefore comprises, in the normal manner, a chain track (14), in the form of a profile in I, (16), with race gears (18), (20), along this track, the race gear (13), is designed as a trailer stroke gear which is projected a driving ratchet (22), which can be grasped by an indicated detent of the load stroke gear not shown and also movable in the load stroke gear below the chain track and also in the form of an I-shaped profile . The load to be transported such as a body part or other component of a motor vehicle is then suspended from the load stroke gear or from a cross piece connecting two successive stroke or movable gear units. To move the stroke or movable gear (13), i 20), a traction means (24) is provided, which can be a chain of bolt links or flat links, in the mode shown a chain of links or links Bolt (24). To prevent the hanging of the traction means (24), gears d is provided? race that serve as spacers between the towing gear (18), and corresponds in its design to the race gear i 20). Regardless of whether the racing gear is a towing gear or a spacer, the stroke gear (18), (20), has support blocks (26), (28), for the wheels (30), (32), which are movable along the chain track (14) , this is along the I-shaped profile, (16). The support blocks (26) and (28) run with their lower vertical sections within a chain link whose longitudinal sides (40) and (42) 3ß show shaded in Figures 2 and 9. the outer distance between the sides ( 40) and (42) is D. Without diverging from the fundamental design of the double-rail upper chain conveyor (10), = s proposes according to the invention that the traction means in the form of link chain or flat pin link be replaced by a rubber band (42) that preferably has a smooth outer surface and a metal insert in the shape of a wire rope (46) running concentrically to the longitudinal axis 44). This generally does not bring about any change in the particular with regard to the dimensions of the parts used in the upper double chain conveyor r (10). For that reason, the reference numbers used in FIGS. 3 and 4 and those already in use in connection with the upper double track chain conveyor (10) according to FIGS. 1 and 1. The upper chain conveyor of FIG. The double rail has the traction means (42) according to the invention and is further identified with the reference numeral 10 * to underline the similarity. Instead of the traction means (24) in the form of a link chain or bolt or flat link used according to the prior art, the rubber traction means (42) of rectangular cross-section and with a vulcanized wire rope insert. (46) is used according to the invention, the geometrical dimensions of the pulling means being maintained to such an extent that the width of the band (42) corresponds to the outer distance D of the chain link (38) enclosing the sides -; :) and (36) of the support blocks (26) and \ 12). For this reason the width of the band (42) is also given as D in fig. The height of the band (42) is H, with the height H being preferably slightly smaller than the width D. The ratio D to H is preferably about 1.2: 1 in order that the support blocks (26), (23) or their vertical sides (34), (36) do not infer with the driving action of the band (42) by a friction grip, the band has cuts to accommodate the sides (34), (36) ), where before and behind the sides (34), (36) the lateral surfaces (58), (50) are • adjust flush on the side surfaces (54), (56) of the support blocks (26), (28). For this reason the distance of the side surfaces (54), (56) is also identified with D in Fig. 11. To connect the race gear (18), (20) to the band or tape (42), corresponding cuts can be provided in the band or tape (42) in the place of the assembly of the double track upper chain conveyor (10 '). This has the advantage that a stroke engaging unit can be placed in any required position, which is not an option open to a traction means that is a bolt link or flat link chain, since the gear of rr r must be aligned with the links of the: • adena. Since a top chain conveyor differs from a double track upper chain conveyor only in that the trailer stroke gear is bent as a load stroke gear, in the upper chain conveyors of a rail ( 12) and (12 ') of FIGS. 5 to 3 have the same reference figures to the corresponding elements of FIGS. 1 and 4, since, as already mentioned, the upper chain conveyor of a rail (12') in accordance with FIG. with the invention differs from the prior art only insofar as the traction means (24) in the form of a bolt-link chain is replaced by a rectangular rubber band (42) with vulcanized wire rope insert. When using a rubber band with a single-cord or twist metal insert according to the invention, the advantages increase not only with respect to maintenance, operation with low noise and wear reduction, concomitantly with a reduction in the number of stations. of tension, but also the repair is simple of the traction means (42), as shown in Fig. 12. To connect the separate sections (58) and 6 6) of the traction means (62), a rope of wire exists at the ends, allowing then the free ends (62.64) to be connected by handles or grills 66), (68) to a section of the wire rope that runs parallel to the free ends to drive the band (42) this can be guided between the friction wheels in contact with the displacement surfaces (48), (50), so that the band (42) can be simply pulled along the track (14). To allow the band (42) to travel a horizontal curve, there are several possibilities as shown in the embodiments of figures 13 and 14. For example, in the embodiment of figure 13, the band (42) is guided along of a disc (72) rotatably mounted. In the embodiment of Figure 14, the band (42) is guided along rollers (74), (76) mounted on an arc or a circular section. To travel vertical curves, it is necessary both for the upper chain conveyor with double rail (10") and for the upper chain conveyor of a rail (12 ') that the spacers (20) extend as far as possible.

Sufficient from the respective tracks (14) between the reme I jo and the load stroke gear (18), in order to stop the traction means (42), so that it can not hang in one way in the sections of ascent or descent. Fig. 16 shows a section of a double rail upper chain conveyor where - "c below the chain track (14) there is a load path (78) along which the load or displaceable load gear (80) and (82) connected by a crosspiece (84) can move, to make the seals (84) extend from the race gear of loading (82) interacting with the driving ratchet (22) of the trailer travel gear (13). Other driving means for the band (42) are shown in Figures 17-19. The band (42) can be fastened between bands of endless drive (86) (88) to get the necessary friction grip in that way. According to the embodiment of Fig. 18, the band (42) passes between the endless band (88) and along a line of friction wheels (90), (92). According to the embodiment of Fig. 19, the friction wheels (98), (100) are disposed along lines (94, 96), between which friction wheels, the band is pulled by the grip of friction.

It is noted that in relation to this date, the best method known to the applicant to carry out the aforementioned invention, is the conventional one for the manufacture of the objects or products to which it refers. Having described the invention as above, * > ^ Property is claimed as contained in the following:

Claims (14)

1. CLAIMS 1. An upper chain rail conveyor Implement or double in particular to transport heavy loads such as parts of motor vehicles, which has a chain track in the form of a -iß shaped profile. I in a running gear that can be moved along the track and has roller blocks for mounting rollers that are held in the chain track, the roller blocks being connected to the pulling means to pull the moving gear and the gear is designed for a single track upper chain conveyor in the form of a load moving gear and for the double track upper chain conveyor in the form of a moving drive gear that interacts with the gear in moving load that moves on a loading track running below the chain track, characterized in that the pulling means is a band consisting of a rubber material having a single-strip insert of metal, fiber of glass or carbon fiber.
2. 2. A single or double rail top chain conveyor according to claim 1, characterized in that the strip is a rubber strip with a rectangular cross section and the insert is vulcanized in the strip preferably in the form of a metal insert such as a wire rope and runs preferably coaxially along its longitudinal axis. - n single or double rail top chain conveyor according to claim 1 or 2, characterized in that the strip has cutouts to give rise to roller blocks of the stroke gear, the side surfaces of the strip that are designed as Race surfaces are aligned or nearly aligned with the outer surfaces of the laces of those roller blocks. 4.- A single or double rail top chain conveyor according to at least one of the following: "I: -: - '." ". Previous nes, characterized in that the danda or tape has a width D corresponding to that of the link chain with pin or flat link used in the upper chain single chain or from bl. 5. An upper rail chain conveyor implements or double according to at least one of the preceding claims, characterized in that the metal inserts of the free ends, of the band are exposed and connected to a wire rope that runs parallel to the ends by means of gripping elements. 6. A single or double rail top chain conveyor according to at least one of the preceding claims, characterized in that the strip is guided between friction wheels used as the driving means. 7. A single or double rail top chain conveyor according to at least claim 6, characterized in that the friction wheels are arranged along the lines running parallel to each other. 8. A single or double rail top chain conveyor according to at least one of the preceding claims, characterized in that the strip or tape is guided between wads or belts used as the driving means. 9. A single or double rail top chain conveyor according to at least one of the preceding claims, characterized in that a conveyor belt or belt along it is in contact with one side of the belt or band. and several pressure rollers are positioned along a line and associated with the driving belt or belt on the opposite side. 10. A single or double rail top chain conveyor according to at least one of the preceding claims, characterized in that for the formation of a horizontal curve the strip or tape is guided along a section of a disc mounted in the form rotatable 11. A single or double rail top chain conveyor according to at least one of the preceding claims, characterized in that for the formation of a horizontal curve the band or tape is guided along rollers that are mounted in an arc or circular section. 12. A single or double rail top chain conveyor according to at least one of the preceding claims, characterized in that the cross section of the strip or tape is a rectangle whose width to height ratio is approximately 1.2: 1. 13. Use of a band or tape comprising a rubber or plastic material with a metal, fiberglass or carbon fiber insert running along the longitudinal axis of said band or tape as a substitute for a chain in the form of union or bolt or flat link of a single or double rail top chain conveyor or a floor conveyor, the band or tape has a width D that corresponds or approaches that of a link or chain link in form Union or bolt or flat link. 14. Use of a band or tape comprising a rubber or plastic material with a metal, fiberglass or carbon fiber insert running along the longitudinal axis of said band or tape as a substitute for a chain in the form of link or bolt or flat link of a single or double rail top chain conveyor or a floor conveyor, the belt or belt has a tensile strength corresponding to at least that of the link or chain link in link shape or bolt or flat link of a single or double rail top chain conveyor or a ground conveyor. R E S U M E N D E L I N V E N C I O N The invention relates to a single or double chain upper chain conveyor (10 ', 12'), in particular for transporting heavy loads such as parts of motor vehicles. The conveyor has a chain track (14) in the form of an I-shaped profile with a moving gear (18, 20) that can move along the track and has roller blocks (26, 28) that They are held in the chain track. The roller blocks are connected to traction means (42) to pull the moving gear. For a single-rail upper chain conveyor, the moving gear has the form of a moving load gear, for a double rail chain conveyor, it is in the form of a traction moving gear that interacts with the load moving gear (82) moving on a load rail (78) that moves below the chain track. In order to make the movement as silent and wear-free as possible, the traction means is a rubber or plastic strip having a single-strip insert of metal, fiberglass or carbon fibers (46).