High-strength long-service-life steel coil driving saddle type transmission part chain

Abstract

The utility model discloses a high-strength long-service-life steel coil driving saddle-shaped transmission part chain which comprises a first chain body and a second chain body, and a plurality of steel plates are connected between the first chain body and the second chain body. The first chain and the second chain are the same in structure, each of the first chain and the second chain comprises a plurality of chain links and outer chain plates rotationally connected with two adjacent chain links, each chain link comprises two inner chain plates and two pin shafts arranged between the two inner chain plates and located at the two ends, the pin shafts are sleeved with rollers, and saddle-shaped surfaces are formed in the outer walls of the rollers. Compared with the prior art, the utility model has the following benefits: the structure is simple, the transmission continuity can be increased due to the arrangement of the saddle-shaped surface, and a steel coil driving structure can be realized by matching with a steel plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to a chain, especially to a high-strength long-service-life steel roll driving saddle type transmission member chain. BACKGROUND

[0002] The chain is one of the common transmission structures in mechanical equipment, and the traditional chain roller is easy to slip off the tooth part of the transmission gear, so it is very important to obtain a high-strength long-service-life steel roll driving saddle type transmission member chain which can overcome the above defects. SUMMARY

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a high-strength long-service-life steel roll driving saddle type transmission member chain, which comprises:

[0004] A pair of chains, comprising a first chain and a second chain, a plurality of steel plates are connected between the first chain and the second chain;

[0005] The first chain and the second chain are the same in structure and each comprise a plurality of links, an outer link plate rotatingly connecting two adjacent links, the link comprises two inner link plates, two pin shafts between the two inner link plates and located at both ends, a roller is sleeved on the pin shaft, and a saddle-shaped surface is formed on the outer wall of the roller.

[0006] Through the above technical solution, the saddle-shaped surface can help the roller of the utility model to be better connected with the transmission gear, and increase the transmission continuity.

[0007] As the above preferred mode, a first perforation is formed on the inner link plate, a second perforation is formed on the outer link plate, and a limiting piece is fixed after the pin shaft passes through the first perforation and the second perforation.

[0008] The connection mode of the steel plate has multiple modes, one: a first protruding part is integrally formed on the upper side of the outer link plate, and the steel plate is welded with the first protruding part of the first chain and the second chain. Through the above technical solution, direct welding or integral die casting can ensure the strength, but it is difficult to adapt to thermal expansion and cold contraction.

[0009] Two: a second protruding part is integrally formed on the upper side of the outer link plate, the second protruding part and the outer link plate are vertically arranged, and the two second protruding parts of the same chain are oppositely arranged, a long hole is formed on the second protruding part, and the steel plate is connected with the long hole through a fastener.

[0010] Through the above technical solution, the connection through the long hole can adapt to thermal expansion and cold contraction, but the cooperation is not tight, which affects the work.

[0011] Three: the first chain, the second chain opposite side two outer chain plate is equipped with third convex column, the steel plate both sides are equipped with the insertion groove with third convex column cooperation, still include saddle type transmission spare, saddle type transmission spare is equipped with third perforation, through third perforation insertion third convex column, and saddle type transmission spare is in steel plate and the side wall between outer chain plate resistance.

[0012] Through the above technical scheme, the saddle type transmission member can adapt to the thermal expansion and cold contraction of the steel plate. If the steel plate expands, the saddle type transmission member is squeezed to deform. If the steel plate contracts, the saddle type transmission member is opened by its own elasticity to resist the steel plate.

[0013] Each part can be made of high-speed steel, 45# steel or 42CrMo4 alloy steel to ensure strength and service life.

[0014] Compared with the prior art, the utility model has the following benefits: the utility model has the simple structure, the setting of the saddle surface can increase the coherence of the transmission, and the steel plate can realize the steel roll driving structure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the chain perspective view of the utility model;

[0016] Figure 2 It is the chain side view of the utility model;

[0017] Figure 3 It is the cross section schematic view of the utility model in use;

[0018] Figure 4 It is the cross section schematic view of the utility model in use;

[0019] Figure 5 It is the cross section schematic view of the utility model in use;

[0020] 1 first chain; 2 second chain; 3 steel plate;

[0021] 401 outer chain plate; 402 inner chain plate; 403 pin shaft; 404 roller; 405 saddle surface; 406 limiting piece; 407 reinforcing rib;

[0022] 501 first convex part; 502 second convex part; 503 long hole; 504 third convex column; 505 saddle type transmission member. DETAILED DESCRIPTION

[0023] In order to make the person skilled in the art better understand the utility model, so that the scope of protection of the utility model is more clearly limited, the utility model is described in detail below with regard to some specific embodiments of the utility model. It should be noted that the following is only some specific embodiments of the utility model concept and is only a part of the utility model, and the specific and direct description of the related structure is only for the convenience of understanding the utility model, and each specific feature does not of course, directly limit the implementation scope of the utility model.

[0024] Referring to the drawings, the utility model adopts the following technical scheme, a high-strength long-service-life steel coil driving saddle-shaped transmission member chain, comprising:

[0025] A pair of chains, comprising a first chain 1 and a second chain 2, a plurality of steel plates 3 are connected between the first chain 1 and the second chain 2.

[0026] The first chain 1 and the second chain 2 are the same in structure and each comprises a plurality of chain links, an outer chain plate 401 rotatingly connecting two adjacent chain links, the chain link comprises two inner chain plates 402, two pin shafts 403 between the two inner chain plates 402 and located at both ends, a roller 404 is sleeved on the pin shaft 403, and a saddle-shaped surface 405 is formed on the outer wall of the roller 404.

[0027] Through the above technical scheme, the setting of the saddle-shaped surface 405 can help the roller 404 of the utility model to be better connected with the transmission gear, the end of the tooth part of the transmission gear directly enters the saddle-shaped surface 405, and is not easy to slip off, thereby increasing the transmission continuity.

[0028] As the above preferred mode, the first perforation is formed on the inner chain plate 402, the second perforation is formed on the outer chain plate 401, and the limit piece 406 is fixed after the pin shaft 403 passes through the first perforation and the second perforation.

[0029] The connection mode of the steel plate 3 has multiple modes, one: the upper side of the outer chain plate 401 is integrally formed with a first protruding part 501, and the steel plate 3 is welded with the first protruding part 501 of the first chain 1 and the second chain 2. Through the above technical scheme, direct welding or integral die casting can ensure the strength, but it is difficult to adapt to thermal expansion and cold contraction. The reinforcing rib 407 is welded between the steel plate 3 and the first protruding part 501.

[0030] Two: the upper side of the outer chain plate 401 is integrally formed with a second protruding part 502, the second protruding part 502 and the outer chain plate 401 are arranged perpendicularly, and the two second protruding parts 502 of the same chain are arranged oppositely, a long hole 503 is formed on the second protruding part 502, and the steel plate 3 is connected with the long hole 503 through a fastener.

[0031] Through the connection of the long hole 503, thermal expansion and cold contraction can be adapted, but the cooperation is not tight, which affects work.

[0032] Three: two outer chain plates 401 on opposite sides of the first chain 1 and the second chain 2 are oppositely provided with third protruding columns 504, the steel plate 3 is provided with insertion grooves matched with the third protruding columns 504, and further comprises a saddle-shaped transmission member 505, the saddle-shaped transmission member 505 is provided with third through holes, the third protruding columns 504 are inserted into the third through holes, and the saddle-shaped transmission member 505 abuts between the side wall of the steel plate 3 and the outer chain plate 401.

[0033] Through the above technical scheme, the saddle-shaped transmission member 505 can adapt to the steel plate 3 which expands and contracts with heat, if the steel plate 3 expands, the saddle-shaped transmission member 505 is extruded to deform, and if the steel plate 3 contracts, the saddle-shaped transmission member 505 is elastically opened to abut against the steel plate 3.

[0034] Each part can be made of high-speed steel, 45# steel or 42CrMo4 alloy steel to ensure strength and service life.

[0035] Compared with the prior art, the utility model has the following benefits: the utility model has simple structure, the continuity of transmission can be increased due to the setting of the saddle-shaped surface 405, and the steel plate 3 can realize the steel roll driving structure.

[0036] The above description is not a limitation of the utility model, and the utility model is not limited to the above examples, and the changes, modifications, additions or replacements made by the person skilled in the art within the essential scope of the utility model also belong to the protection scope of the utility model.

Claims

1. A high strength long life steel coil drive saddle type transmission member chain characterized by: Include: A pair of chains, including a first chain (1) and a second chain (2), the first chain (1) and the second chain (2) are connected with several steel plates (3); The first chain (1), the second chain (2) are same in structure, all include: a plurality of links, the outer link plate (401) rotatingly connecting two adjacent links, the link includes two inner link plates (402), the two pin shafts (403) between the two inner link plates (402) and located at both ends, the pin shaft (403) is provided with a roller (404), the outer wall of the roller (404) is provided with a saddle surface (405).

2. The high strength long life steel coil drive pony chain as set forth in claim 1, wherein: The inner link plate (402) is provided with a first perforation, the outer link plate (401) is provided with a second perforation, the pin shaft (403) is fixed with a limiting piece (406) after penetrating the first perforation and the second perforation.

3. The high strength long life steel coil drive pony chain as set forth in claim 1, wherein: The upper side of the outer link plate (401) is integrally formed with a first protruding portion (501), the steel plate (3) is welded with the first protruding portion (501) of the first chain (1) and the second chain (2).

4. The high strength long life steel coil drive pony chain as set forth in claim 1, wherein: The upper side of the outer link plate (401) is integrally formed with a second protruding portion (502), the second protruding portion (502) and the outer link plate (401) are perpendicular, and the two second protruding portions (502) of the same chain are oppositely arranged, the second protruding portion (502) is provided with a long hole (503), and the steel plate (3) is connected with the long hole (503) through a fastener.

5. The high strength long life steel coil drive pony chain as set forth in claim 1, wherein: The two outer link plates (401) on the opposite sides of the first chain (1) and the second chain (2) are oppositely provided with third protruding columns (504), the steel plate (3) is provided with insertion grooves matched with the third protruding columns (504) on both sides, further comprising a saddle-shaped transmission member (505), the saddle-shaped transmission member (505) is provided with a third perforation, the third protruding column (504) is inserted into the third perforation, and the saddle-shaped transmission member (505) is abutted between the side wall of the steel plate (3) and the outer link plate (401).

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