Large conveying chain wheel of split structure

Abstract

A large conveying chain wheel of a split structure comprises a tooth-shaped chain piece and hubs, the tooth-shaped chain piece comprises a first semicircular chain piece and a second semicircular chain piece which are connected with each other, a first semicircular hub is arranged on one side of the first semicircular chain piece, and a second semicircular hub is arranged on the other side of the first semicircular chain piece. The first semicircular chain sheet, the first semicircular hub and the second semicircular hub form an integrated upper semicircular conveying chain wheel; a third semicircular hub is arranged on one side of the second semicircular chain piece, a fourth semicircular hub is arranged on the other side of the second semicircular chain piece, and the second semicircular chain piece, the third semicircular hub and the fourth semicircular hub form an integrated lower semicircular conveying chain wheel. The connecting face of the lower semicircular conveying chain wheel and the upper semicircular conveying chain wheel comprises a horizontal face and an inclined face, and the starting point of the inclined face is located on the dedendum circle of the tooth-shaped chain piece. The split structure of the upper and lower semicircular conveying chain wheels is combined with the horizontal plane and inclined plane double-face clutch technology, and the problem that a traditional large conveying chain wheel is inconvenient to disassemble, carry and install is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of conveying chain wheel, in particular to a large conveying chain wheel of split structure. BACKGROUND

[0002] The grain and oil production enterprise needs a large number of welding bent plate conveying chains to transfer in various conveying production lines, and also needs a large number of conveying chain wheels matched with the conveying chains, and the conveying chain wheels need to be overhauled and maintained, and it is very troublesome to replace or maintain the conveying chain wheels, and more cases are that the equipment is limited and cannot be replaced and maintained, which wastes manufacturing time and maintenance time for the grain and oil enterprises. The precise conveying chain wheel of convenient assembly, maintenance, replacement or disassembly is undoubtedly a product with broad prospects for the chain enterprise, and for the grain and oil enterprises, the key is to shorten the maintenance time, effectively improve the production time and greatly reduce the manufacturing and maintenance cost.

[0003] According to the characteristics of the precise conveying chain wheel for the grain and oil industry, the conveying chain wheel structure convenient for assembly and disassembly is researched, which not only meets the requirements of precise conveying, but also meets the working conditions of the conveying chain wheel bearing large torque, the split structure meeting the requirements of the conveying chain wheel is researched and developed, and the conveying chain wheel structure form is innovated to implement innovation in manufacturing process, structure decomposition and the like. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of conveying chain wheel of convenient assembly and disassembly compared to traditional large conveying chain wheel.

[0005] A large conveying chain wheel of split structure, including toothed chain link and wheel hub, the toothed chain link includes first semicircle chain link and second semicircle chain link connected with each other, the first semicircle chain link is provided with first semicircle wheel hub on one side and second semicircle wheel hub on the other side, and the first semicircle chain link, first semicircle wheel hub and second semicircle wheel hub form an integrated upper semicircle conveying chain wheel;The second semicircle chain link is provided with third semicircle wheel hub on one side and fourth semicircle wheel hub on the other side, and the second semicircle chain link, third semicircle wheel hub and fourth semicircle wheel hub form an integrated lower semicircle conveying chain wheel;The connecting surface of the lower semicircle conveying chain wheel and the upper semicircle conveying chain wheel includes horizontal plane and inclined plane, and the starting point of the inclined plane is located at the dedendum circle of the toothed chain link. The utility model is provided with split structure of chain link and wheel hub, which can be combined with horizontal plane and inclined plane double-sided bonding technology, so that the conveying chain wheel is more convenient to disassemble, carry and install, and is tightly matched.

[0006] The first semicircle chain link and the second semicircle chain link are provided with locking devices; the locking devices comprise first installation planes located on the left and right sides of the first semicircle hub and second installation planes located on the left and right sides of the third semicircle hub, the first installation planes and the second installation planes are provided with coaxial installation holes, the installation holes are provided with penetrating screw rods, and the screw rods fasten and connect the first semicircle chain link and the second semicircle chain link in cooperation with nuts. The locking devices, the screw rods and the nuts are used to make the sprocket more stable and less likely to be loosened when being spliced.

[0007] The first semicircle hub is provided with a key pin groove matched with a pin shaft, the top of the key pin groove is provided with a penetrating screw hole, and the screw hole is connected with the locking screw in cooperation. The screw hole is used to make the sprocket more convenient to carry during carrying, and the locking screw is used to fasten and connect the pin shaft after hoisting.

[0008] The first semicircle chain link and the second semicircle chain link are provided with weight reduction holes in the axial direction, so that the weight of the sprocket can be reduced.

[0009] The upper and lower semicircle sprocket split structure combines the horizontal plane and the inclined plane double clutch technology, so that the problem of inconvenient disassembly, carrying and installation of the traditional large sprocket is solved. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model will be further described in connection with the drawings:

[0011] Fig. 1 is a large-scale conveying sprocket main view structure schematic diagram of split structure;

[0012] Fig. 2 is Figure 1 A-A direction section view structure schematic diagram. DETAILED DESCRIPTION

[0013] The utility model will be further described in connection with the drawings: Figures 1-2 The technical scheme of the patent is further described in detail in the specific implementation.

[0014] For example Figures 1-2As shown, a large conveying chain wheel of split structure comprises a toothed chain link and a wheel hub, the toothed chain link comprises a first semicircular chain link 6 and a second semicircular chain link 7 connected to each other, the first semicircular chain link 6 is provided with a first semicircular wheel hub 1 on one side and a second semicircular wheel hub 3 on the other side, and the first semicircular chain link 6, the first semicircular wheel hub 1 and the second semicircular wheel hub 3 form an integrated upper semicircular conveying chain wheel; the second semicircular chain link 7 is provided with a third semicircular wheel hub 2 on one side and a fourth semicircular wheel hub 4 on the other side, and the second semicircular chain link 7, the third semicircular wheel hub 2 and the fourth semicircular wheel hub 4 form an integrated lower semicircular conveying chain wheel; the connecting surface of the lower semicircular conveying chain wheel and the upper semicircular conveying chain wheel comprises a horizontal surface 12 and an inclined surface 5, and the starting point of the inclined surface 5 is located at the dedendum circle 8 of the toothed chain link.

[0015] In order to further improve the stability of the large conveying chain wheel, the first semicircular chain link 6 and the second semicircular chain link 7 are provided with locking devices therebetween; the locking devices comprise first mounting planes 15 located on the left and right sides of the first semicircular wheel hub 1 and second mounting planes 16 located on the left and right sides of the third semicircular wheel hub 2, the first mounting planes 15 and the second mounting planes 16 are each provided with a coaxial mounting hole, a threaded rod 14 is arranged to penetrate the mounting hole, and the threaded rod 14 is fastened to connect the first semicircular chain link 6 and the second semicircular chain link 7 in cooperation with a nut 13.

[0016] As a structural optimization, the first semicircular wheel hub 1 is provided with a key pin groove 10 matched with a pin shaft, the top of the key pin groove 10 is provided with a penetrating screw hole 11, and the screw hole 11 is matched to connect a locking screw rod.

[0017] In order to further reduce the self weight of the large conveying chain wheel, the first semicircular chain link 6 and the second semicircular chain link 7 are each provided with a weight-reducing hole 9 in the axial direction.

[0018] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model without departing from the principles and purposes of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A large conveyor sprocket with a split structure, comprising toothed chain links and a hub, characterized in that: The toothed chain links include a first semicircular chain link (6) and a second semicircular chain link (7) connected to each other. The first semicircular chain link (6) has a first semicircular hub (1) on one side and a second semicircular hub (3) on the other side. The first semicircular chain link (6), the first semicircular hub (1), and the second semicircular hub (3) form an integrated upper semicircular conveyor sprocket. The second semicircular chain link (7) has a third semicircular hub (2) on one side and a fourth semicircular hub (4) on the other side. The second semicircular chain link (7), the third semicircular hub (2), and the fourth semicircular hub (4) form an integrated lower semicircular conveyor sprocket. The connection surface between the lower semicircular conveyor sprocket and the upper semicircular conveyor sprocket includes a horizontal surface (12) and an inclined surface (5). The starting point of the inclined surface (5) is located at the root circle (8) of the toothed chain link.

2. The large conveyor sprocket with a split structure according to claim 1, characterized in that: The first semicircular chain link (6) and the second semicircular chain link (7) are provided with a locking device between them; the locking device includes a first mounting plane (15) located on the left and right sides of the first semicircular hub (1) and a second mounting plane (16) located on the left and right sides of the third semicircular hub (2). The first mounting plane (15) and the second mounting plane (16) are both provided with coaxial mounting holes. A through screw (14) is provided in the mounting hole. The screw (14) and the nut (13) are used to fasten the first semicircular chain link (6) and the second semicircular chain link (7).

3. The large conveyor sprocket with a split structure according to claim 1, characterized in that: The first semi-circular hub (1) is provided with a keyway (10) for a mating pin shaft. The top of the keyway (10) is provided with a through screw hole (11), which is connected to a locking screw.

4. The large conveyor sprocket with a split structure according to claim 1, characterized in that: The first semicircular chain link (6) and the second semicircular chain link (7) are provided with weight reduction holes (9) in the axial direction.

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