CN215806035U

CN215806035U - High-hardness high-wear-resistance high-bending-strength carburized chain

Info

Publication number: CN215806035U
Application number: CN202121830234.0U
Authority: CN
Inventors: 冀先进; 冀先慧; 李增; 张国学
Original assignee: Shandong Advanced Mining Equipment Co ltd
Current assignee: Shandong Advanced Mining Equipment Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-02-11
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a high-hardness, high-wear-resistance and high-bending-strength carburized chain, which comprises a first chain pin, a second chain pin and a third chain pin, wherein the second chain pin is movably arranged at the bottom of the first chain pin through an inner chain plate, the third chain pin is movably arranged at the bottom of the second chain pin through an outer chain plate, shaft sleeves are movably arranged on the first chain pin, the second chain pin and the third chain pin, limiting seats are fixedly arranged on the first chain pin, the second chain pin and the third chain pin, first movable discs are fixedly arranged on the first chain pin, the second chain pin and the third chain pin, and second movable discs are fixedly arranged on the first chain pin, the second chain pin and the third chain pin. According to the utility model, the round wheels, the sliding rollers and the anti-slip strips are matched with each other, so that the friction force is reduced when the shaft sleeve rotates, the abrasion is reduced, the service life is prolonged, and the first chain pin and the second chain pin and the third chain pin can be limited by matching the inner chain plate and the outer chain plate with each other, so that the structural strength is improved.

Description

High-hardness high-wear-resistance high-bending-strength carburized chain

Technical Field

The utility model relates to the technical field of chains, in particular to a carburizing chain with high hardness, high wear resistance and high bending strength.

Background

Carburizing is one kind of metal surface treatment, mostly low carbon steel or low alloy steel, and is characterized by that the workpiece is placed in an active carburizing medium, heated to a single-phase austenite zone of 900-950 deg.C, and after a sufficient period of heat preservation, the active carbon atoms decomposed from carburizing medium are permeated into the surface layer of steel component so as to obtain high carbon of surface layer, and the core portion still retains its original components, and similarly it also has low-temperature nitriding treatment, and is a common heat treatment process for metal material, and the chain is generally a metal chain ring or ring, and is mainly used as mechanical transmission and traction, and is a chain for obstructing traffic channel (for example, in street, river or harbor inlet), and is an assembly formed by connecting identical or spaced identical members in series in the form of kinematic pair, and when it is used, the chain has high requirement for strength, therefore, a carburized chain having high hardness, high wear resistance, and high bending strength is required for chain connection.

Through search, patent publication No. CN202140504U discloses an outer chain link of a chain, which comprises two end portions and a waist portion connected between the two end portions, wherein a through outer pin hole is formed at each of the two end portions, and a concave angle is formed at each of the outer end sides of the end portions. The utility model also discloses a chain using the chain outer chain sheet.

The existing carburizing chain with high hardness, high wear resistance and high bending strength has the following defects:

1. the existing carburizing chain with high hardness, high wear resistance and high bending strength has no good movable structure, and can generate larger friction force when a shaft sleeve rotates, so that the shaft sleeve is worn after being used for a long time, the service life of the shaft sleeve is shortened, operators need to frequently maintain, the working strength of the operators is improved, and the working efficiency is reduced;

2. general high wear-resisting and the high carburization chain of bending strength of high hardness does not have better multilayer limit structure, uses single link joint to carry on spacingly mostly, leads to spacing effect comparatively general, takes place the condition that drops easily after long-term the use, has reduced the result of use, for this reason we provide a high wear-resisting and high carburizing chain of bending strength of high hardness and solve current problem.

SUMMERY OF THE UTILITY MODEL

The present invention is to provide a carburized chain having high hardness, high wear resistance, and high bending strength, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-hardness, high-wear-resistance and high-bending-strength carburized chain comprises a first chain pin, a second chain pin and a third chain pin, wherein the bottom of the first chain pin is movably provided with the second chain pin through an inner chain plate, the bottom of the second chain pin is movably provided with the third chain pin through an outer chain plate, the first chain pin, the second chain pin and the third chain pin are movably provided with shaft sleeves, the first chain pin, the second chain pin and the third chain pin are fixedly provided with limiting seats, the limiting seats are arranged between the shaft sleeves and the inner chain plate, the first chain pin, the second chain pin and the third chain pin are fixedly provided with first movable discs, the first movable discs are arranged between the inner chain plate and the outer chain plate, the first chain pin, the second chain pin and the third chain pin are fixedly provided with second movable discs, the second movable discs are arranged on the outer chain plate, the first chain pin, the second chain pin and the third chain pin are movably provided with limiting discs, the limiting disc is located on the outer side of the second movable disc, a first limiting groove and a second limiting groove are respectively formed in the limiting disc, and the first limiting groove is located on the outer side of the second limiting groove.

Preferably, the shaft sleeve is provided with an anti-slip strip, and the outer side of the shaft sleeve is movably provided with a round wheel matched with the limiting seat.

Preferably, the shaft sleeve and the first chain pin, the second chain pin and the third chain pin are all supported by a sliding roller in a rolling manner, and the sliding roller is positioned on the inner side of the shaft sleeve.

Preferably, the inner side of the inner chain plate is limited and fixed with a first clamping frame, and a first support column is fixedly installed between the first clamping frames.

Preferably, a second clamping frame is fixed on the inner side of the outer chain plate in a limiting mode, and a second supporting column is fixedly installed between the second clamping frames.

Preferably, a first limiting ring is movably arranged between the first limiting grooves, and a second limiting ring is movably arranged between the second limiting grooves.

Preferably, a first pulley corresponding to the outer chain plate is movably mounted on the inner side of the first movable disc, and a second pulley corresponding to the inner chain plate is movably mounted on the inner side of the second movable disc.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the mutual matching of the round wheels, the sliding rollers and the anti-slip strips, the friction force can be effectively reduced when the shaft sleeve rotates and moves, the abrasion of the shaft sleeve after long-term use is reduced, the service life of the shaft sleeve is prolonged, the friction force between the shaft sleeve and the gear can be improved through the matching of the anti-slip strips, the slipping condition is prevented, the transmission efficiency is improved, and the anti-slip device is convenient and practical.

2. According to the utility model, the inner chain plate and the outer chain plate are matched with each other, so that the first chain pin and the second chain pin and the third chain pin can be conveniently limited, the structural strength between the first chain pin and the second chain pin and between the second chain pin and the third chain pin is effectively improved, the limiting disc is matched with the first limiting ring and the second limiting ring, so that auxiliary limiting can be performed on the chains, and the fracture condition is reduced.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of a first link pin configuration of the present invention;

FIG. 4 is a schematic view of a partial perspective structure of the bushing of the present invention;

fig. 5 is a schematic side view of the inner structure of the sleeve of the present invention.

In the figure: 1. a shaft sleeve; 101. anti-slip strips; 102. a round wheel; 103. a sliding roller; 2. a limiting seat; 3. a first movable tray; 301. a first pulley; 4. a first link pin; 5. an inner link plate; 6. a first engaging frame; 601. a first support column; 7. a first limit ring; 8. a limiting disc; 801. a first limit groove; 802. a second limit groove; 9. a second link pin; 10. an outer link plate; 11. a second engaging frame; 1101. a second support column; 12. a third link pin; 13. a second movable tray; 1301. a second pulley; 14. and a second limit ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, an embodiment of the present invention is shown: a high-hardness high-wear-resistance high-bending-strength carburized chain comprises a first chain pin 4, a second chain pin 9 and a third chain pin 12, wherein the second chain pin 9 is movably mounted at the bottom of the first chain pin 4 through an inner chain plate 5, the inner chain plate 5 is of a double-layer structure and can improve the structural hardness of the inner chain plate 5, the third chain pin 12 is movably mounted at the bottom of the second chain pin 9 through an outer chain plate 10, the outer chain plate 10 is of a three-layer structure and can improve the structural hardness of the outer chain plate 10, and the structural strength among the first chain pin 4, the second chain pin 9 and the third chain pin 12 can be improved through the mutual matching of the inner chain plate 5 and the outer chain plate 10;

the first chain pin 4, the second chain pin 9 and the third chain pin 12 are movably provided with shaft sleeves 1, the first chain pin 4, the second chain pin 9 and the third chain pin 12 are supported by a sliding roller 103 in a rolling manner, the sliding roller 103 is positioned on the inner side of the shaft sleeve 1, the sliding roller 103 can reduce the friction force between the shaft sleeve 1 and the first chain pin 4, the second chain pin 9 and the third chain pin 12, the first chain pin 4, the second chain pin 9 and the third chain pin 12 are fixedly provided with limiting seats 2 through bolts, the limiting seats 2 are positioned between the shaft sleeve 1 and the inner chain plate 5, the outer side of the shaft sleeve 1 is movably provided with a round wheel 102 matched with the limiting seats 2 through a movable shaft, the friction force between the shaft sleeve 1 and the limiting seats 2 can be reduced through the round wheel 102, the abrasion of the shaft sleeve 1 is reduced, the shaft sleeve 1 is provided with an anti-skid strip 101, and the anti-skid strip 101 can improve the friction force between the shaft sleeve 1 and the gear, the slipping is prevented, and the transmission efficiency is improved;

a first clamping frame 6 is fixed on the inner side of the inner chain plate 5 in a limiting manner, a first supporting column 601 is fixedly arranged between the first clamping frames 6 through bolts to improve the structural stability between the inner chain plates 5, a second clamping frame 11 is fixed on the inner side of the outer chain plate 10 in a limiting manner, a second supporting column 1101 is fixedly arranged between the second clamping frames 11 through bolts to improve the structural stability between the outer chain plates 10, a first pulley 301 corresponding to the outer chain plate 10 is movably arranged on the inner side of the first movable disc 3 through a movable shaft, the first pulley 301 corresponds to the inner chain plate 5 in the same manner, the first movable disc 3 is positioned between the inner chain plate 5 and the outer chain plate 10, a second movable disc 13 is fixedly arranged on the first chain pin 4, the second chain pin 9 and the third chain pin 12 through bolts, a second pulley 1301 corresponding to the inner chain plate 5 is movably arranged on the inner side of the second movable disc 13 through a movable shaft, second activity dish 13 is located the outside of outer link joint 10, frictional force when can reducing inner link joint 5 and outer link joint 10 activity through first pulley 301 and second pulley 1301 mutually support, reduce wearing and tearing, all movable mounting has spacing dish 8 on first chain pin 4 and second chain pin 9 and the third chain pin 12, spacing dish 8 is located the outside of second activity dish 13, be provided with first spacing groove 801 and second spacing groove 802 on the spacing dish 8 respectively, first spacing groove 801 is located the outside of second spacing groove 802, movable mounting has first spacing ring 7 between the first spacing groove 801, movable mounting has second spacing ring 14 between the second spacing groove 802, utilize first spacing ring 7 cooperation second spacing ring 14 can assist spacing link joint to 5 and outer link joint 10, spacing effect has been strengthened.

The working principle is as follows: when the high-hardness, high-wear-resistance and high-bending-strength carburized chain is used, friction is reduced by rolling and supporting the shaft sleeve 1 and the first chain pin 4, the second chain pin 9 and the third chain pin 12 through the slide roller 103, friction is reduced by rolling and supporting the shaft sleeve 1 and the limiting seat 2 through the round wheel 102, the first chain pin 4 and the second chain pin 9 are limited and fixed through the inner chain plate 5, the second chain pin 9 and the third chain pin 12 are limited and fixed through the outer chain plate 10, the first chain pin 4 and the second chain pin 9 are limited and fixed through the first limiting ring 7, the second chain pin 9 and the third chain pin 12 are limited and limited through the second limiting ring 14, and thus a series of operations of carburization of the high-hardness, high-wear-resistance and high-bending-strength chain is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a carburization chain that high rigidity height wear-resisting and bending strength is high, includes first chain pin (4), second chain pin (9) and third chain pin (12), its characterized in that: the bottom of the first chain pin (4) is movably provided with a second chain pin (9) through an inner chain plate (5), the bottom of the second chain pin (9) is movably provided with a third chain pin (12) through an outer chain plate (10), the first chain pin (4), the second chain pin (9) and the third chain pin (12) are respectively and movably provided with a shaft sleeve (1), the first chain pin (4), the second chain pin (9) and the third chain pin (12) are respectively and fixedly provided with a limiting seat (2), the limiting seat (2) is positioned between the shaft sleeve (1) and the inner chain plate (5), the first chain pin (4), the second chain pin (9) and the third chain pin (12) are respectively and fixedly provided with a first movable disc (3), the first movable disc (3) is positioned between the inner chain plate (5) and the outer chain plate (10), and the first chain pin (4), the second chain pin (9) and the third chain pin (12) are respectively and fixedly provided with a second movable disc (13), the second movable disc (13) is located on the outer side of the outer chain plate (10), the first chain pin (4), the second chain pin (9) and the third chain pin (12) are movably provided with limiting discs (8), the limiting discs (8) are located on the outer side of the second movable disc (13), the limiting discs (8) are respectively provided with first limiting grooves (801) and second limiting grooves (802), and the first limiting grooves (801) are located on the outer side of the second limiting grooves (802).

2. The carburizing chain with high hardness, high wear resistance and high bending strength according to claim 1, wherein: the anti-slip device is characterized in that anti-slip strips (101) are arranged on the shaft sleeve (1), and round wheels (102) matched with the limiting seats (2) are movably mounted on the outer side of the shaft sleeve (1).

3. The carburizing chain with high hardness, high wear resistance and high bending strength according to claim 1, wherein: the shaft sleeve (1), the first chain pin (4), the second chain pin (9) and the third chain pin (12) are supported in a rolling mode through a sliding roller (103), and the sliding roller (103) is located on the inner side of the shaft sleeve (1).

4. The carburizing chain with high hardness, high wear resistance and high bending strength according to claim 1, wherein: the inner side of the inner chain plate (5) is limited and fixed with a first clamping frame (6), and a first supporting column (601) is fixedly installed between the first clamping frames (6).

5. The carburizing chain with high hardness, high wear resistance and high bending strength according to claim 1, wherein: and a second clamping frame (11) is fixed on the inner side of the outer chain plate (10) in a limiting manner, and a second supporting column (1101) is fixedly installed between the second clamping frames (11).

6. The carburizing chain with high hardness, high wear resistance and high bending strength according to claim 1, wherein: a first limiting ring (7) is movably arranged between the first limiting grooves (801), and a second limiting ring (14) is movably arranged between the second limiting grooves (802).

7. The carburizing chain with high hardness, high wear resistance and high bending strength according to claim 1, wherein: the inner side of the first movable disc (3) is movably provided with a first pulley (301) corresponding to the outer chain plate (10), and the inner side of the second movable disc (13) is movably provided with a second pulley (1301) corresponding to the inner chain plate (5).