JP2006027878A - Shackle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shackle for enhancing carrying efficiency of an object to be carried as compared with a conventional shackle. <P>SOLUTION: In a chain conveyor constituted by connecting a carrying instrument to a link chain, the shackle is used for connecting the link chain and the carrying instrument. The shackle is provided with two leg parts 3 mutually facing in parallel, and an annular part 2 for connecting the two leg parts 3 by being suspended in relation to the leg parts 3 from the length direction rear end parts of the leg parts 3 and being formed into a substantially elliptical annular shape as a whole. In the two leg parts 3, first through holes 31 for bolt insertion are formed just under the annular part 2 from the viewpoint of a side surface of the shackle by making axial centers coincide with each other by the facing leg parts 3 with each other, and second through holes 32 for bolt insertion are formed on the length direction front sides of the leg parts 3 by making axial centers coincide with each other by the facing leg parts 3 with each other. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a shackle used to connect a link chain constituting a chain conveyor and a conveying device.

  As a chain conveyor to be used when transporting materials generated in factories or garbage incineration plants from a low input section to a high discharge section, for example, a link formed in an oval shape is connected. Two endless link chains are arranged in parallel, and a transport device for holding a transported object during transport of a transported object is used in such a manner that the link chains are connected in parallel at a predetermined interval between the link chains. Yes.

  As shown in FIG. 9, when a flat flight 42 is used as a transport device, the driving sprockets 44, 44 are driven to rotate in the direction of the arrow by the motor 43, and are arranged on the front side and the back side in the drawing. The two parallel left and right link chains 45, 45 mesh with the other sprockets 46, 46,... Circulate in the forward path (upward in FIG. 9) and the return path (downward in FIG. 9) of the chain conveyor 41. And run. As a result, the conveyed product 48 carried by the belt conveyor 47 is supplied to the lower horizontal portion 50 through the supply portion 49, and the flights 42, 42... The conveyed product 48 is sequentially held. Subsequently, the flight 42 holding the conveyed product 48 is changed in the traveling direction to the vertical direction by the sprockets 46 and 46. The flight 42 ascends the vertical portion 51, and the traveling direction is changed to the horizontal direction by the sprockets 46, 46 and travels on the horizontal portion 52 at a high place, and the conveyed product 48 is a discharge portion 53 in the middle of the horizontal portion 52. Is discharged.

  When transporting mudstone, semi-consolidated clay or solid silt, etc., moist soil / pebbles or viscous soil, the transport object 48 has a transport object holding surface of the flight 42 that has discharged the transport object 48. Usually, the conveyed product is attached. For this reason, the residue removal device 54 (for example, an iron plate) disposed along the horizontal portion 52 and having a slightly narrower width than the flight 42 is slid downward from above while being in contact with the flight 42. The remaining amount adhered to the surface is scraped off and removed. After the scraping is completed, the residue removing device 54 moves upward, moves downward when the next flight 42 approaches, and repeats the same scraping operation as described above. The flight 42 that has been scraped travels through the sprockets 44 and 44 through the vertical portion 55 in the return path and the horizontal portion 56 in the lower place, thereby repeatedly circulating the forward path and the return path to lower the transported object 48. Transport from place to place.

  In the chain conveyor 41 as described above, a shackle is used to connect the flight 42 and the link chain 45. For example, as shown in FIG. 10, as a conventional shackle 61, there are two substantially elliptical annular portions 62, which are continuous with the annular portions 62, projecting radially outward of the annular portions 62 and provided in parallel. Leg portions 63 and 63 are used, and each leg portion 63 is formed with two bolt insertion holes 64 formed so that the opposing leg portions have the same axis. Patent Document 1).

  11 and 12, as shown in FIGS. 11 and 12, the shackle 61 is assembled at predetermined intervals between the links 45a constituting the link chain 45, so that one endless link chain 45 is formed as a whole. Each of the shackles 61 and 61 facing each other is arranged in parallel using two such link chains 45. And the both ends edge part of the flight 42 is connected with the two shackles 61 and 61 which oppose. As for the connection between the shackle 61 and the flight 42, two bolt through holes (not shown) are formed in advance at both end edges of the flight 42 so that the bolt through hole and the bolt insertion hole 64 overlap each other. Further, the leg portion 63 of each shackle 61 is sandwiched between the edges of the flight 42, and the bolt 65 is inserted into the bolt insertion hole 64 and the bolt insertion hole and tightened with a nut (not shown).

However, the two shackles 61, 61 connected to both edge portions of the flight 42 have the legs 63, 63 facing each other, so that the residue adhered to the flight 42 by the residue removing device 54 described above. When removing, only the maximum W2 can be secured as the scraping width. For this reason, the residue adhering to the upper part or the lower part of the leg part 63 of the shackle 61 among the residue supporting surfaces of the flight 42 is not scraped off, and as a result, is not discharged to the discharge part 53 and is chain conveyor. 41 circulates, and there is a problem that the amount that can be discharged to the discharge unit 53 in a predetermined time is reduced, that is, the transfer efficiency of the transfer object 48 is lowered.
Registered Utility Model No. 3003387

  This invention is made | formed in view of the said problem, The objective is to provide the shackle which can improve the conveyance efficiency of a conveyed product compared with the past.

  The invention according to claim 1 is a shackle used to connect the link chain and the transport device in a chain conveyor in which a transport device is connected to a link chain, and two legs facing each other in parallel. And an annular part that hangs from the rear end part in the length direction of the leg part with respect to the leg part and connects the two leg parts by being formed in a substantially elliptical ring shape as a whole, The two legs are formed with the first through-holes for inserting bolts directly below the annular part as viewed from the side surface of the shackle, with the axial centers of the legs facing each other, and the legs The second through-hole for inserting a bolt is formed on the front side in the length direction of the portion so that the axial centers of the opposing leg portions are aligned with each other.

  According to a second aspect of the present invention, in the shackle according to the first aspect of the present invention, the shackle is used to connect the link chain and a flat flight as the transport device.

  According to the shackle of the present invention, for example, when the present invention is applied to a chain conveyor in which a transport device is bridged and connected to two link chains arranged in parallel, the legs of the opposing shackles are parallel to each other. In the state of arrangement, the shackle can be connected along the both edge portions of the transport device. For this reason, for example, when a flat flight is used as a transport device, the scraping width by the residue removing device can be increased compared to the conventional case. Therefore, more residue attached to the flight can be scraped off and discharged to the discharge unit as compared with the conventional shackle, so that the transfer efficiency of the transfer object can be increased. For example, when the bucket which has a storage part of a conveyed product is used as a conveyance instrument, the width | variety of the flange formed in the both-ends edge part of the bucket connected with the shackle of this invention can be made narrow compared with the past. For this reason, since the storage capacity of a conveyed product can be increased compared with the conventional bucket, the conveyance efficiency of a conveyed product can be improved compared with the conventional shackle.

  Next, the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is an external perspective view of a shackle 1 showing an embodiment of the present invention, and FIGS. 2 and 3 are a front view and a right side view, respectively, of the shackle 1 of FIG. The shackle 1 is manufactured by forging a general-purpose steel material and applying heat treatment (quenching / tempering). The shackle 1 has two leg portions 3 and 3 facing each other in parallel and the length of the leg portions 3. An annular portion 2 that is suspended from the rear end portion in the vertical direction with respect to the leg portion 3 and is formed in an approximately elliptical ring shape as a whole is provided, and the two leg portions 3 and 3 are connected by the annular portion 2. Has been.

  The annular portion 2 includes two left and right curved portions 21 and 21 formed in a semicircular shape, and a straight bar-like straight portion 22 continuous with each of the curved portions 21 and 21. The leg portions 3 and 3 are formed in a prismatic rod shape as a whole, and are provided in a substantially perpendicular direction to the curved portion 21 continuously from the lower portion of the curved portion 21, and are arranged in parallel. ing. As shown in FIG. 3, the leg portions 3, 3 are opposed to the first through holes 31, 31 for inserting bolts directly below the annular portion 2 as viewed from the side surface of the shackle 1. Leg portions that are formed with their axes aligned with each other and that have second through holes 32 and 32 for inserting bolts facing the length direction front side of the leg portion 3 (the direction opposite to the arrow X in the figure). 3, 3 and 3 are formed so that the axes coincide with each other. Further, an inclined portion 23 is formed on the lower rear side of the annular portion 2 so as to become wider toward the rear end of the leg portion 3 as it approaches the leg portion 3.

  The method of using the shackle 1 will be described. As shown in FIGS. 4 and 5, the end portion 2 of the shackle 1 is incorporated at predetermined intervals between the links 45 a constituting the link chain 45, so that one endless link as a whole. A chain 45 is constituted, and the shackles 1 and 1 facing each other are arranged in parallel by using two such link chains 45. Then, the shackles 1, 1 are connected to the flight 42 by arranging the leg portions 3, 3 of the shackles 1, 1 along both end edges of the flight 42 as a transport container. As for the connection between the shackle 1 and the flight 42, two bolt through holes (not shown) are formed in advance along both end edges of the flight 42, and the bolt through holes and the through holes 31, 32, the leg 3 of the shackle 1 is sandwiched between the edges of the flight 42, the bolts 34 are inserted into the through holes 31 and 32 and the bolt through holes and tightened with the nuts 35.

  According to the shackle 1 configured as described above, the shackles 1 and 1 are coupled along the both edge portions of the flight 42 with the legs 3 and 3 of the facing shackles 1 and 1 arranged in parallel to each other. Can be made. For this reason, the scraping width W1 by the residue removing device 54 can be increased as compared with the scraping width W2 when a conventional shackle is used. Therefore, more residue attached to the holding surface of the flight 42 can be scraped off and discharged to a discharge portion at a high position of the chain conveyor as compared with the conventional shackle, thereby improving the transfer efficiency of the transfer object. be able to.

  Further, the leg portion 3 of the shackle 1 is connected to the flight 42 perpendicular to the annular portion 2. For this reason, the load concerning the connection part of the cyclic | annular part 2 and the leg part 3 is reduced, and a fracture | rupture load can be increased compared with the conventional shackle. Further, the shackle 1 is provided with an inclined portion 23 which is widened toward the rear end of the leg portion 3 as it approaches the leg portion 3 on the lower rear side of the annular portion 2, and the inclined portion 23 is provided. This also contributes to increasing the breaking load.

  Note that the present invention is not limited to the illustrated embodiment, and the shape, size, position, and the like of each member of the shackle can be appropriately changed without departing from the gist thereof. For example, in FIGS. 1 to 5, the shackle 1 in which the first through hole 31 and the second through hole 32 are formed in the leg portion 3 is shown, but if the scraping width W1 can be secured, the number of through holes is not necessarily two. It is not limited and may be three or more. When three through holes are formed in the leg portion 3, the first through hole may be formed directly below the annular portion when viewed from the side surface of the shackle, and two through holes may be formed in front of the through hole. As shown in FIG. 6, a second through hole 32 and a third through hole 33 may be formed before and after the first through hole 31, respectively.

  Moreover, about the conveyance apparatus with which the shackle 1 is connected, it is not limited to a well-known flight from the example of illustration and conventionally, It can apply similarly also to the bucket which has the accommodating part of a conveyed product. When connecting the shackle of the present invention to the bucket, the width of the flange formed at both end edges of the bucket to be connected to the shackle can be made narrower than before. For this reason, since the storage capacity of the conveyed product can be increased as compared with the conventional case, the conveyance efficiency of the conveyed item can be increased as compared with the conventional shackle in the same manner as when applied to a flight.

  Furthermore, in the above description, the use method and the operational effect of the shackle 1 when the shackle 1 is applied to the double chain conveyor 41 shown in FIG. 9 have been mainly described. However, the shackle 1 of the present invention relates to various types of conveyors. Is of course applicable. For example, when transporting a transported object from the horizontal to obliquely upward, it is transported to one or a plurality of (for example, about 1 to 4) endless link chains that are inclined obliquely upward and arranged in parallel. Although a chain conveyor formed by connecting instruments is used, the shackle 1 of the present invention can also be applied to such a chain conveyor.

  For example, as shown in FIG. 7, three endless link chains 45 are disposed obliquely upward and parallel to each other along a conveyance surface (not shown) of a conveyed product that extends obliquely upward. For the chain conveyor provided with the shackle 1, the shackle 1 is incorporated between the links 45 a constituting each link chain 45 at a predetermined interval, and a conveying device (a flight 42 in the illustrated example) is bridged between the adjacent link chains 45. Can be connected. Further, as shown in FIG. 8, a single endless link chain 45 is provided that is inclined obliquely upward along a conveyance surface (not shown) of a conveyed product that is inclined obliquely upward. For chain conveyors (usually such conveyors are referred to as “cantilevered conveyors”), shackles 1 are incorporated at predetermined intervals between links 45a constituting each link chain 45, and a transport device (in the illustrated example, flight 42). ) Can be coupled so as to be supported only on one side.

It is an external appearance perspective view of the shackle which shows one Example of this invention. It is a front view of the shackle of FIG. It is a right view of the shackle of FIG. It is explanatory drawing which shows the use condition of the shackle of FIG. 1, and is the example applied to the double chain conveyor. It is explanatory drawing which looked at FIG. 4 from the upper part. It is an external appearance perspective view of the shackle which shows the other Example of this invention. It is explanatory drawing at the time of applying the shackle 1 to the chain conveyor which arrange | positioned three chains in parallel, (a) is explanatory drawing which shows the connection state of the shackle 1 and the flight 42, (b) is the said conveyor from upper direction. FIG. It is explanatory drawing at the time of applying the shackle 1 to the chain conveyor which arrange | positioned one chain, (a) is explanatory drawing which shows the connection state of the shackle 1 and the flight 42, (b) looked at the said conveyor from upper direction It is explanatory drawing. It is a schematic block diagram of the double chain conveyor which used the flight as a conveyance instrument. It is an external appearance perspective view which shows the conventional shackle. It is explanatory drawing which shows the use condition of the shackle of FIG. 10, and is an example applied to the double chain conveyor. It is explanatory drawing which looked at FIG. 11 from upper direction.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Shackle 2 Annular part 21 Curved part 22 Linear part 23 Inclined part 3 Leg part 31 1st through-hole 32 2nd through-hole 33 3rd through-hole 34 Bolt 35 Nut 41 Chain conveyor 42 Flight 43 Motor 44 Drive sprocket 45 Link chain 45a link 46 sprocket 47 belt conveyor 48 transported object 49 supply part 50 horizontal part 51 vertical part 52 horizontal part 53 discharge part 54 residue removing device 55 vertical part 56 horizontal part 61 shackle 62 annular part 63 leg part 64 bolt insertion hole 65 bolt

Claims (2)

In a chain conveyor in which a transport device is connected to a link chain, a shackle used to connect the link chain and the transport device,
Two legs that face each other in parallel with each other, and are suspended from the rear ends in the length direction of the legs with respect to the legs. An annular part to be connected,
The two legs are formed with the first through-holes for inserting bolts directly below the annular part as viewed from the side surface of the shackle, with the axial centers of the legs facing each other, and the legs A shackle in which a second through hole for inserting a bolt is formed on the front side in the length direction of the portion so that the axial centers of the opposing leg portions coincide with each other.   The shackle according to claim 1, wherein the shackle is used to connect the link chain and a flat flight as the transport device.

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