Scraper chain

Abstract

The utility model discloses a scraper chain which comprises a plurality of chain plates, anti-chain-clamping mechanisms and connecting mechanisms, the anti-chain-clamping mechanisms and the connecting mechanisms are installed between every two adjacent chain plates, one side of the outer wall of each chain plate is fixedly provided with a discharging scraper, the top end of each discharging scraper is provided with an arc face, one side of each discharging scraper is provided with a discharging accessory, and each discharging accessory is provided with an arc face. A second inclined surface is arranged on one side of the top of each discharging accessory; according to the discharging device, materials freely fall in an arc-shaped hollow area formed by mutual superposition of the first inclined planes, meanwhile, the discharging scraping plate is matched with the discharging end of the discharging accessory, and the materials fall on the inclined planes of the discharging scraping plate through the arrangement of the arc-shaped surfaces and the second inclined planes and are not prone to being clamped in gaps; in the using process of the chain, the phenomena of material accumulation and material carrying do not occur any more, the phenomena of scraper chain jamming and equipment material stagnation caused by excessive residual material accumulation in the material conveying head and tail areas of the scraper chain are avoided, the maintenance and operation cost of the equipment is reduced, and normal operation of the equipment is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of scraper chain, concretely is a kind of scraper chain. BACKGROUND

[0002] The structure of welded scraper chain is composed of basic chain links, accessory chain links and pin shafts, scrapers, etc. It is widely used in grain and oil, pulp and paper making, wood processing and other industries, and is more suitable for working environment with strong impact, material abrasion and large amount of dust under low-speed working condition. With the development of modern production industry, the demand for production materials is gradually increasing, so the use of scraper chain is becoming more and more frequent.

[0003] Conventional high-power scraper chain has a chain plate thickness generally exceeding 12mm, and the chain plate is stacked inside and outside. In the grain and oil industry, such as conveying rice, wheat and other small particle bulk material conveying equipment, material and belt material are easily accumulated on the scraper and chain plate. Long-term operation of the equipment leads to excessive accumulation of residual material in the head wheel and tail wheel area, causing scraper chain jamming, chain overload and equipment material stagnation. Regular cleaning of the conveying equipment is required in the production site, which increases the equipment maintenance cost, affects the normal production cycle and delays delivery. SUMMARY

[0004] The utility model aims to provide a kind of scraper chain to solve the problems raised in the above background.

[0005] To achieve the above purpose, the utility model provides a kind of scraper chain, which comprises a plurality of chain link mechanisms, anti-jamming mechanisms and connecting mechanisms. Each chain link mechanism comprises two chain plates and a sleeve, and the two chain plates are welded and fixed by a sleeve;

[0006] The anti-jamming mechanism comprises a first inclined surface opened on both sides of the two ends of each chain plate, and the first inclined surfaces of the two ends of two adjacent chain link mechanisms are aligned to form a complete arc-shaped groove. One side of each of the plurality of chain plates is fixedly provided with a discharging accessory. The top of each discharging accessory is provided with a circular arc surface. Each discharging accessory is provided with a plastic scraper on one side. The top of each plastic scraper is provided with a second inclined surface. The inclination angles of the first inclined surface and the second inclined surface are both °. Each plastic scraper is in contact with the edge of the circular arc surface of each discharging accessory at the edge of the second inclined surface.

[0007] In one example, the two ends of each discharging accessory and the two ends of each plastic scraper are provided with threaded holes. The inner walls of each threaded hole are threadedly connected with a fixing bolt.

[0008] In one example, the connecting mechanism comprises a connecting hole opened at both ends of each chain plate. The inner wall of each connecting hole is provided with a limiting groove.

[0009] In one example, the inner wall of each sleeve is connected with a pin shaft, and the outer wall of each pin shaft is fixed with a limiting ring at both ends.

[0010] In one example, the inner wall of each sleeve is connected with a pin shaft, and the adjacent chain link mechanism is connected through the pin shaft, and the outer wall of each pin shaft is fixed with a limiting ring at both ends.

[0011] Compared with the prior art, the beneficial effects of the utility model are that: through setting the anti-chain jamming mechanism between the chain plates, when conveying materials, the materials freely fall in the arc hollow area formed by mutual superposition of the first inclined surface, and the material end of the discharging scraper and the discharging accessory is provided with a circular arc surface and a second inclined surface, so that the materials naturally fall on the inclined surface and are not easy to jam in the gap, so that the accumulation and belt material phenomenon no longer occurs in the use process of the chain, the device head wheel and tail wheel area are avoided from being blocked by too much remaining material, the device maintenance operation cost is reduced, and the daily operation of the device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the overall structure schematic view of the utility model;

[0013] Figure 2 It is the structure schematic view of the utility model discharging scraper and discharging accessory connection; Figure 1 It is the structure schematic view of the utility model enlarged structure in China A;

[0014] Figure 3 It is the structure schematic view of the utility model discharging scraper and discharging accessory connection;

[0015] Figure 4 It is the structure schematic view of the utility model chain plate mutual connection;

[0016] Figure 5 It is the overall structure schematic view of the utility model pin shaft.

[0017] In the drawing: 1, chain link mechanism; 101, chain plate; 102, sleeve; 2, anti-chain jamming mechanism; 201, first inclined surface; 202, discharging accessory; 203, circular arc surface; 204, plastic scraper; 205, second inclined surface; 206, screw hole; 207, fixed bolt; 3, connecting mechanism; 301, connecting hole; 302, limiting groove; 303, pin shaft; 304, limiting ring. DETAILED DESCRIPTION

[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0019] Please refer to Figures 1-5 The present application provides a technical scheme: a scraper chain, comprising a plurality of chain link mechanisms 1, a chain jam prevention mechanism 2 and a connecting mechanism 3, each chain link mechanism 1 comprising two chain plates 101 and a sleeve 102, and the two chain plates 101 are welded and fixed by a sleeve 102 respectively;

[0020] The chain jam prevention mechanism 2 comprises a first inclined surface 201 opened at both ends of each chain plate 101 on both sides, and the first inclined surfaces 201 at both ends of two adjacent chain link mechanisms 1 are aligned to form a complete arc-shaped groove, wherein a plurality of chain plates 101 are fixed with a discharging accessory 202 on one side, the top of each discharging accessory 202 is provided with a circular arc surface 203, one side of each discharging accessory 202 is provided with a plastic scraper 204, the top of each plastic scraper 204 is provided with a second inclined surface 205, and the inclination angles of the first inclined surface 201 and the second inclined surface 205 are both 35°, and the edge of each plastic scraper 204 at the second inclined surface 205 is in contact with the edge of each discharging accessory 202 at the circular arc surface 203 respectively;

[0021] When in use, since the two ends of the two side chain plates 101 of each adjacent chain link mechanism 1 are provided with a first inclined surface 201 with an angle of 35°, and the chain links are connected with each other through the connecting mechanism 3, the connecting areas of the two side chain plates 101 form a complete arc-shaped groove with an angle of 35° at both ends, and the discharging accessory 202 with a discharging end of a circular arc surface 203 is installed on the outer wall of each of the plurality of chain plates 101, the plastic scraper 204 is connected to one side of each discharging accessory 202 through the fixing bolt 207, the second inclined surface 205 with an angle of 35° is provided on the top of the plastic scraper 204, the discharging accessory 202 is tightly attached to the plastic scraper 204, the second inclined surface 205 is smoothly connected with the circular arc surface 203, and when the scraper chain conveys the small particle materials, since the connecting areas of the two sides are overlapped to form an arc-shaped hollow recess through the two first inclined surfaces 201, the small particle materials are not easy to be stuck, and the materials directly slide to the lower side, at the same time, the buffer between the discharging accessory 202 and the plastic scraper 204 through the circular arc surface 203 and the second inclined surface 205 makes the materials directly slide down along the arc surface, and the materials are not easy to be stuck in the gap between the scraper and the accessory, so that the chain does not easily appear the phenomenon of material sticking and material carrying, the head and tail of the scraper chain are not easy to accumulate materials, the load of the chain is not too large, the chain is not easy to be stuck, the equipment is not easy to be blocked, the equipment maintenance cost is reduced, and the delivery speed is improved.

[0022] Further, the two ends of each discharging accessory 202 and the two ends of each plastic scraper 204 are provided with threaded holes 206, and the fixing bolt 207 is threadedly connected to the inner wall of each threaded hole 206, so that the discharging accessory 202 and the plastic scraper 204 are connected through the fixing bolt 207 and the threaded hole 206, and the discharging range of the discharging end is larger.

[0023] Further, the connecting mechanism 3 comprises a connecting hole 301 provided at both ends of each chain plate 101, and a limiting groove 302 is provided in the inner wall of each connecting hole 301.

[0024] The inner wall of each sleeve 102 is inserted and connected with a pin shaft 303, and the adjacent chain link mechanisms 1 are connected through the pin shaft 303, the outer wall of each pin shaft 303 is fixedly provided with a limiting ring 304 at both ends, and when the two side chain plates 101 are connected through the pin shaft 303, since the outer wall of the pin shaft 303 at both ends is provided with two limiting rings 304, the two side adjacent chain plates 101 are limited and clamped through the limiting ring 304 and the limiting groove 302, so that they are attached together and are not easy to fall off.

[0025] Further, the outer wall of each pin shaft 303 at both ends is respectively inserted through the inner wall of each sleeve 102 and the inner wall of the four connecting holes 301, and the outer wall of each limiting ring 304 is respectively rotationally connected with the inner wall of each limiting groove 302, the chain link mechanism 1 is welded together by the sleeve 102 on both sides of the chain plate 101, then the pin shaft 303 is inserted in the connecting hole 301 on the adjacent chain link mechanism 1 on both sides of the chain plate 101, and the limiting ring 304 on the upper end is rotationally connected with the limiting groove 302 in the connecting hole 301, limiting is realized, the pin shaft 303 is off, and meanwhile the whole chain can rotate in the transmission process and cannot produce motion interference.

[0026] Each embodiment in the specification is described in a progressive manner, and the same and similar parts between each embodiment can be referred to each other, and each embodiment mainly describes the difference from other embodiments. Especially, for the system embodiment, since it is basically similar to the method embodiment, it is described more simply, and the related parts can be referred to the part of the method embodiment

[0027] The above only describes the embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. A scraper chain, comprising a plurality of chain link mechanisms (1), chain jam prevention mechanisms (2) and connecting mechanisms (3), each of the chain link mechanisms (1) comprising two chain plates (101) and a sleeve (102), and the two chain plates (101) being welded and fixed by one sleeve (102) respectively; characterized in that the chain jam prevention mechanism (2) comprising a first inclined surface (201) opened at both ends of each chain plate (101) on both sides, and the first inclined surfaces (201) at both ends of two adjacent chain link mechanisms (1) being aligned with each other to form a complete arc-shaped groove, wherein a plurality of chain plates (101) are fixed with a discharging accessory (202) on one side, the top of each discharging accessory (202) is provided with a circular arc surface (203), one side of each discharging accessory (202) is provided with a plastic scraper (204), the top of each plastic scraper (204) is provided with a second inclined surface (205), the inclination angles of the first inclined surface (201) and the second inclined surface (205) are both 35°, and each plastic scraper (204) is in contact with each discharging accessory (202) at the edge of the circular arc surface (203) and the edge of the second inclined surface (205) respectively.

2. A flighted chain as claimed in claim 1, wherein: Both ends of each discharging accessory (202) and both ends of each plastic scraper (204) are provided with threaded holes (206), and the inner walls of each threaded hole (206) are threadedly connected with a fixing bolt (207).

3. A flighted chain as claimed in claim 1, wherein: The connecting mechanism (3) comprises a connecting hole (301) opened at both ends of each chain plate (101), and the inner wall of each connecting hole (301) is provided with a limiting groove (302).

4. A flighted chain as claimed in claim 1, wherein: The inner wall of each sleeve (102) is connected with a pin shaft (303), and adjacent chain link mechanisms (1) are connected by the pin shaft (303), and the outer wall of each pin shaft (303) is fixed with a limiting ring (304).

5. A flighted chain as claimed in claim 4, wherein: The outer wall of each pin shaft (303) at both ends respectively penetrates the inner wall of each sleeve (102) and the inner wall of four connecting holes (301), and the outer wall of each limiting ring (304) is rotatably connected with the inner wall of each limiting groove (302).

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