CN214651256U

CN214651256U - High stability chain

Info

Publication number: CN214651256U
Application number: CN202023341561.8U
Authority: CN
Inventors: 龙启贵; 王先丽; 龙发松
Original assignee: Qingdao Longtaizeyu Precision Machinery Co ltd
Current assignee: Qingdao Longtaizeyu Precision Machinery Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-09
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a high stability chain, the chain is established ties by a plurality of chain links and is formed, and the chain link includes inner link plate, outer link plate, round pin axle and jump ring, and the both ends branch of inner link plate is equipped with two first shaft holes, and the both ends branch of outer link plate is equipped with two second shaft holes, and the both ends of round pin axle pass first shaft hole and second shaft hole in proper order and rotate with inner link plate and outer link plate to be connected, and the second shaft is downthehole to be equipped with the sleeve, telescopic first end is extended and is stretched out outside the second shaft hole to chain link center, and the inner edge on the first terminal surface of sleeve is equipped with first chamfer, and telescopic second end is kept away from chain link center and is extended and stretch out outside the second shaft hole, and telescopic interior anchor ring is equipped with the annular groove, and the annular edge that the annular groove is close to chain link center is equipped with the second chamfer, and the jump ring locates the both ends of round pin axle and the accessible and with the cooperation of annular groove with round pin axle and sleeve joint. The utility model discloses the structure is firm, can be high temperature resistant and not fragile, and processing is convenient, easily preparation.

Description

High stability chain

Technical Field

The utility model relates to a transport equipment technical field specifically is a high stability chain.

Background

The slag is also called as molten slag, and the melt floating on the surface of liquid materials such as metals generated in the pyrometallurgical process is mainly composed of oxides (silicon dioxide, aluminum oxide, calcium oxide, magnesium oxide), and often contains sulfides and carries a small amount of metals. The slag in the actual production process needs in time to be carried out in order to guarantee the continuation of production, and the slag still remains the higher temperature this moment, and the jump ring that is used for spacing round pin axle and interior outer link joint in the current chain that transports the slag usefulness has higher production safety risk because of high temperature resistance can be poor, and the fracture leads to transporting the condition of inefficacy often appears, is unfavorable for improving production efficiency simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a high stability chain, it has solved the poor, easy cracked technical problem of chain stability that transports the slag among the prior art, has higher stability, is favorable to improving the security of production, is favorable to improving production efficiency. The adopted technical scheme is as follows:

a high-stability chain is formed by connecting a plurality of chain links in series, wherein each chain link comprises an inner chain plate, an outer chain plate, a pin shaft and a clamp spring, two first shaft holes are formed in two ends of each inner chain plate, two second shaft holes are formed in two ends of each outer chain plate, two ends of each pin shaft sequentially penetrate through the first shaft holes and the second shaft holes to be connected with the inner chain plates and the outer chain plates in a rotating mode, the outer side wall of each pin shaft between the two inner chain plates radially protrudes outwards to form a baffle ring, a sleeve is arranged in each second shaft hole, a first end of each sleeve extends towards the center of each chain link and extends out of the corresponding second shaft hole, a first chamfer is arranged on the inner edge of the first end face of each sleeve, a second end of each sleeve is far away from the center of each chain link and extends out of the corresponding second shaft hole, an annular groove is arranged on the inner ring face of each sleeve, and a second chamfer is arranged on the annular edge, which is close to the center of each chain link, the snap spring is arranged at two ends of the pin shaft and can clamp the pin shaft and the sleeve through matching with the annular groove.

On the basis of the technical scheme, the first end of the sleeve is outwards folded to form an annular ear plate, and the annular ear plate is close to the inner side face of the outer chain plate.

On the basis of the technical scheme, the sleeve is in interference fit with the second shaft hole, and the thickness of the annular lug plate is smaller than that of the outer chain plate.

On the basis of the technical scheme, the angle of the first chamfer is 15-30 degrees, and the angle of the second chamfer is 40-60 degrees.

On the basis of the technical scheme, the outer chain plate, the inner chain plate and the pin shaft are made of high-temperature-resistant composite metal materials.

Advantageous effects

The utility model discloses well jump ring just can be with round pin axle and sleeve joint in locating the sleeve, so effectively reduce the influence of high temperature to the jump ring, be favorable to improving the life of jump ring, stability, the security of chain when being favorable to improving the slag of transporting. Furthermore, the utility model discloses in for simple to operate the inner edge on the first end face of sleeve be equipped with first chamfer, so, can conveniently be equipped with the round pin axle of jump ring and push in to the sleeve and final joint in the annular groove. Simultaneously, for the convenience of partial change jump ring or the spare part of other wearing and tearing, be equipped with the second chamfer at the annular edge that is close to the chain link center of annular groove, so when needs change, can make things convenient for the workman to extract round pin axle and jump ring from the sleeve under the condition with the help of the instrument.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawing in the following description is only an embodiment of the invention, and that for a person skilled in the art, other embodiments can be derived from the drawing provided without inventive effort.

FIG. 1: the structure of the utility model is shown schematically;

FIG. 2: the structure schematic diagram of the top view of the utility model;

FIG. 3: the cross-sectional structure in the direction of A-A in FIG. 2 is schematically shown;

FIG. 4: a partial enlarged view of B in fig. 3;

Detailed Description

The invention will be further described with reference to the following figures and examples:

reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 to 4, the chain is formed by connecting a plurality of chain links in series, each chain link comprises an inner link plate 1, an outer link plate 2, a pin shaft 3 and a snap spring 8, two ends of each inner link plate 1 are respectively provided with two first shaft holes, two ends of each outer link plate 2 are respectively provided with two second shaft holes, two ends of each pin shaft 3 sequentially penetrate through the first shaft holes and the second shaft holes to be rotatably connected with the inner link plates 1 and the outer link plates 2, the outer side wall of each pin shaft 3 between the two inner link plates 1 radially and outwards protrudes to form a baffle ring, wherein the side surface of each baffle ring is in smooth transition with the outer side wall of each pin shaft 3, a sleeve 4 is arranged in each second shaft hole, the sleeve 4 is in interference fit with the second shaft holes, a first end of each sleeve 4 extends towards the center and extends out of each second shaft hole, a first end of each sleeve 4 is outwards folded to form an annular ear plate 7, and the annular ear plate 7 is close to the inner side surface of the outer link plate 2, and the thickness of the annular ear plate 7 is smaller than that of the outer chain plate 2.

A first chamfer 5 is arranged on the inner edge of the end face of the first end of the sleeve 4, the angle of the first chamfer 5 is 30 degrees, the junction of the chamfer face and the adjacent face is in smooth transition, the second end of the sleeve 4 extends towards the center far away from the chain link and extends out of the second shaft hole, the inner annular face of the sleeve 4 is provided with an annular groove, the annular edge of the annular groove close to the center of the chain link is provided with a second chamfer 6, the angle of the second chamfer 6 is 45 degrees, and the junction of the chamfer face and the adjacent face is in smooth transition; the both ends of round pin axle 3 are equipped with the second annular groove, jump ring 8 with second annular groove looks adaptation, so, can be with round pin axle and sleeve joint through the cooperation jump ring 8 with annular groove. In addition, in order to further enhance the stability of the chain, the outer link plate 2, the inner link plate 1 and the pin shaft 3 are made of a high temperature resistant composite metal material.

Mounting and dismounting process

Installation process

The clamp spring 8 is placed into the second annular groove, then the two ends of the pin shaft 3 penetrate through the first shaft hole and are clamped into the sleeve 4, when the pin shaft enters the sleeve 4, the inclined surface of the first chamfer 5 radially and axially extrudes the clamp spring, the radial extrusion force enables the outer diameter of the clamp spring 8 to be contracted and finally clamped into a cavity formed by the annular groove and the second annular groove, and therefore assembly of the chain link is achieved.

Disassembling process

When needing to change partial spare part, the workman outwards extracts round pin axle 3 with the help of the instrument, when extracting, the inclined plane of second chamfer 6 has radial and axial extrusion to jump ring 8, and radial extrusion force makes 8 external diameters of jump ring shrink and finally deviate from in the cover 4 section of thick bamboo, later changes the spare part of wearing and tearing, assembles again afterwards.

The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.

Claims

1. A high-stability chain is formed by connecting a plurality of chain links in series, wherein each chain link comprises an inner chain plate (1), an outer chain plate (2), a pin shaft (3) and a clamp spring (8), two first shaft holes are formed in two ends of each inner chain plate (1), two second shaft holes are formed in two ends of each outer chain plate (2), two ends of each pin shaft (3) sequentially penetrate through the first shaft holes and the second shaft holes to be rotatably connected with the inner chain plates (1) and the outer chain plates (2), the outer side wall of each pin shaft (3) between every two inner chain plates (1) protrudes outwards along the radial direction to form a baffle ring, the high-stability chain is characterized in that a sleeve (4) is arranged in each second shaft hole, a first end of each sleeve (4) extends towards the center of the chain link and extends out of each second shaft hole, a first chamfer (5) is arranged on the inner edge on the end face of the first end face of each sleeve (4), and a second end of each sleeve (4) extends away from the center of the chain link and extends out of the second shaft hole, and the interior anchor ring of sleeve (4) is equipped with the annular groove, the annular edge that the annular groove is close to the chain link center is equipped with second chamfer (6), both ends and accessible and the cooperation of annular groove with round pin axle (3) and sleeve (4) joint of round pin axle (3) are located in jump ring (8).

2. A high stability chain according to claim 1, wherein the first end of the sleeve (4) is folded outwards forming an annular ear plate (7), and the annular ear plate (7) is adjacent to the inner side of the outer link plate (2).

3. A high stability chain according to claim 2, wherein the bushing (4) is interference fitted with the second shaft aperture and the thickness of the annular ear plate (7) is smaller than the thickness of the outer link plate (2).

4. A high stability chain according to claim 1, wherein said first chamfer (5) has an angle of 15-30 ° and said second chamfer (6) has an angle of 40-60 °.

5. A high stability chain according to any of claims 1 to 4, wherein the outer link plate (2), the inner link plate (1) and the pin shaft (3) are made of high temperature resistant composite metal material.