CN218706267U

CN218706267U - Sprocket assembly convenient to change sprocket body

Info

Publication number: CN218706267U
Application number: CN202223246821.2U
Authority: CN
Inventors: 王磊
Original assignee: Shanxi Haicheng Intelligent Manufacturing Co ltd
Current assignee: Shanxi Haicheng Intelligent Manufacturing Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-03-24
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a sprocket assembly convenient to change sprocket body belongs to scraper conveyor technical field, including device body, sprocket tooth and sprocket shaft, sprocket tooth and the epaxial worker type groove that is equipped with of sprocket and through the hookup of worker type groove, wherein the sprocket tooth is provided with seven groups and makes up into the sprocket body, the sprocket body is fixed at the epaxial intermediate position of sprocket and sprocket body both sides and is fixed with in proper order along the axle radial outward and keep off ring, spacer ring, pass through lid and bearing frame, the one end of sprocket shaft has the lid of passing through of outside installation in the outside, what the outside installation of one end was the end cover in addition, the one end of sprocket shaft stretches out the lid of passing through, install the bearing between bearing frame and the sprocket shaft, the both sides of bearing are all installed apart from the cover and the inboard is provided with the floating seal ring, from this, can effectively reduce the change degree of difficulty of sprocket body, satisfy the needs that sprocket assembly dismantled fast, do not influence the normal use of other functions of sprocket assembly simultaneously, have improved sprocket assembly's life greatly.

Description

Sprocket assembly convenient to change sprocket body

Technical Field

The utility model relates to a sprocket assembly especially relates to a sprocket assembly convenient to change sprocket body, belongs to scraper conveyor technical field.

Background

The chain wheel component is a main transmission part of a driving part of the scraper conveyor, is subjected to pulsation, impact load and the like in operation besides static load, and is developed towards high power, heavy duty and overweight duty directions along with the scraper conveyor, the abrasion failure of the chain wheel body is one of main failure modes of the chain wheel component of the scraper conveyor, the chain wheel component needs to be replaced after the chain wheel component fails, the difficulty degree of replacing the chain wheel component determines the stop time of the scraper conveyor, and the chain wheel component has great influence on the output yield of a coal mine.

At present, the sprocket assembly mainly has two kinds of modes, one kind is the whole change of sprocket assembly, the transmission briquetting need be torn open to this mode, complicated structure still need tear transmission open, its change work load is big, it is longer with the time spent, one kind is split type sprocket body structure, sprocket body and cylinder formula structure as an organic whole, fasten two halves sprocket body on the sprocket shaft through the bolt, this structure sprocket body is for first kind of structure, it is convenient to dismantle, but the bolt dismantlement work load is great, and this structure components of a whole that can function independently sprocket body part size specification is big, part blank preparation difficulty, material utilization rate is low, the finished product processing technology is complicated, the product production cycle is long, be unfavorable for popularizing and applying.

The sprocket wheel assembly is used as a core part of a transmission system of the scraper conveyor and is also a quick-wear part, and the part replacement efficiency of the sprocket wheel assembly has important influence on the reliability and the running efficiency of the scraper conveyor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a sprocket assembly convenient to change sprocket body, this sprocket assembly convenient to change sprocket body can effectively reduce the change degree of difficulty of sprocket body, satisfy the needs that sprocket assembly dismantled fast, do not influence the normal use of other functions of sprocket assembly simultaneously, the life of sprocket assembly has been improved greatly, it is big to have solved current scraper conveyor and change sprocket assembly work load, sprocket assembly part blank preparation difficulty, material utilization rate is low, the complicated scheduling problem of finished product processing technology.

In order to solve the problems, the following technical scheme is provided:

the utility model provides a sprocket assembly convenient to change sprocket body, includes device body, sprocket tooth and sprocket shaft, be equipped with worker's type groove and through the hookup of worker's type groove on sprocket tooth and the sprocket shaft, wherein the sprocket tooth is provided with seven groups and makes up the sprocket body, the sprocket body is fixed at the epaxial intermediate position of sprocket and sprocket body both sides and is fixed with fender ring, spacer ring, cover and bearing frame thoroughly along the axle radial outward in proper order, the one end of sprocket shaft has the cover thoroughly of penetrating in the outside installation, the outside installation of one end is the end cover in addition, the one end of sprocket shaft stretches out the cover thoroughly, install the bearing between bearing frame and the sprocket shaft, the both sides of bearing are all installed and are provided with the floating seal ring apart from cover and inboard, the bearing passes through apart from cover fixed position, the sprocket shaft still couples through surperficial spline and external motor drive reduction gear.

Furthermore, each group of the chain wheel teeth can be independently disassembled, and a blocking cover is arranged on the other side of the positioning table on the chain wheel shaft and is fixed through a clamping spring.

Further, the sprocket shaft is hollow structure and the one end that the sprocket shaft is close to the end cover along the axial installs the gland, the sprocket shaft passes through the opening of gland closed end cover one side, the other end of sprocket shaft is installed oil and is blocked up the opening that is used for sealing place side chain wheel axle, oil is blocked up still to install O type circle and retaining ring.

Furthermore, a locking ring and a spacer ring are arranged in the device body, and an O-shaped ring is arranged between the locking ring and the spacer ring.

Furthermore, a sealing ring is arranged at the position where the transparent cover is connected with the chain wheel shaft.

Furthermore, the transparent cover and the end cover are fixed on an external headstock along with the bearing seat and do not rotate along with the chain wheel shaft.

Furthermore, a nut is arranged between the transparent cover and the contact distance sleeve, and the transparent cover and the end cover are fixed on the bearing seat through screws.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses well chain wheel tooth passes through I-shaped groove to be fixed on the sprocket shaft, will keep off during the dismantlement to cover and pull down, will dismantle in proper order bad chain wheel tooth can, reduced the sprocket body and changed the degree of difficulty, can realize the quick replacement of sprocket body.

2. The utility model discloses well sprocket shaft cochain wheel body both sides are fixed with fender ring, spacer ring, interior transparent cover, bearing frame outward in proper order along the axle footpath, and compact structure and rationally distributed satisfy the needs that the sprocket assembly was dismantled fast, do not influence the normal use of other functions of sprocket assembly simultaneously, and the facilitate promotion should.

3. The utility model discloses between well end cover and the bearing frame, all be provided with sealing device between outer cover and the bearing frame respectively, also be provided with seal structure simultaneously between spacer ring and locking ring, whole device is in encapsulated situation, compares with prior art, has improved sprocket assembly's life greatly.

Specific embodiments of the present invention are disclosed in detail with reference to the following description and the accompanying drawings, which specify the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not so limited in scope.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of an overall structure of a sprocket assembly for facilitating replacement of a sprocket body according to the present invention;

FIG. 2 is a front elevational view of an overall construction of a sprocket assembly for facilitating replacement of a sprocket body in accordance with the present invention;

FIG. 3 is a front view of a sprocket shaft structure of a sprocket assembly for facilitating replacement of a sprocket body in accordance with the present invention;

fig. 4 is a top view of a sprocket body structure of a sprocket assembly for facilitating replacement of a sprocket body according to the present invention.

In the figure: 1. a device body; 2. an end cap; 3. a bearing seat; 4. a bearing; 5. a floating seal ring; 6. a blocking cover; 7. a sprocket tooth; 8. a sprocket shaft; 9. a transparent cover; 10. a clamp spring; 11. a screw; 12. a I-shaped groove; 13. distance sleeves; 14. a spline; 15. a gland; 16. oil blocking; 17. a sprocket body.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 4, the sprocket assembly provided in this embodiment for facilitating replacement of a sprocket body includes a device body 1, sprocket teeth 7 and a sprocket shaft 8, wherein the sprocket teeth 7 and the sprocket shaft 8 are provided with a tool-shaped groove 12 and are connected through the tool-shaped groove 12, the sprocket teeth 7 are provided with seven groups to form a sprocket body 17, the sprocket body 17 is fixed at a middle position on the sprocket shaft 8, two sides of the sprocket body 17 are sequentially fixed with a baffle ring, a spacer ring, a transparent cover 9 and a bearing seat 3 along a radial direction of the shaft, the transparent cover 9 is installed on an outermost side of one end of the sprocket shaft 8, the end cover 2 is installed on an outermost side of the other end, one end of the sprocket shaft 8 extends out of the transparent cover 9, a bearing 4 is installed between the bearing seat 3 and the sprocket shaft 8, distance sleeves 13 are installed on two sides of the bearing 4, and a floating seal ring 5 is installed on an inner side of the bearing 4, the bearing 4 is fixed in position through the distance sleeves 13, and the sprocket shaft 8 is further connected with an external motor-driven reducer through surface splines 14.

Preferably, each group of the chain wheel teeth 7 can be independently disassembled, and the chain wheel shaft 8 is provided with a positioning table, the other side of the positioning table is provided with a blocking cover 6 and is fixed through a clamp spring 10, so that the chain wheel teeth are convenient to disassemble and replace.

Preferably, the sprocket shaft 8 is of a hollow structure in the axial direction, a gland 15 is installed at one end, close to the end cover 2, of the sprocket shaft 8, the opening in one side of the end cover 2 is sealed by the sprocket shaft 8 through the gland 15, an oil plug 16 is installed at the other end of the sprocket shaft 8 and used for sealing the opening of the side chain wheel shaft 8, and an O-shaped ring and a check ring are further installed on the oil plug 16 to improve the sealing performance of the device.

Preferably, a locking ring and a spacer ring are arranged in the device body 1, and an O-ring is arranged between the locking ring and the spacer ring, so as to prevent dust and water from entering the inside of the sprocket body 17 and prevent dust and water from entering the inside of the sprocket body 17.

Preferably, a sealing ring is installed at the position where the transparent cover 9 is connected with the chain wheel shaft 8, so that dust is prevented from entering the inner transparent cover 9 and the outer transparent cover 9.

Preferably, the transparent cover 9 and the end cover 2 are fixed on an external headstock along with the bearing seat 3 and do not rotate along with the chain wheel shaft 8, so that the structural stability is kept.

Preferably, a nut is arranged between the transparent cover 9 and the contact distance sleeve 13, and the transparent cover 9 and the end cover 2 are fixed on the bearing block 3 through a screw 11, so that the stability is improved.

The utility model discloses an application principle and use flow: when the chain wheel is used, seven groups of chain teeth 7 are independently installed on a chain wheel shaft 8 through the I-shaped grooves 12 to form a chain wheel body 17, the chain wheel body 17 is located in the middle of the chain wheel shaft 8, baffle rings, spacer rings, inner transparent covers 9 and bearing seats 3 are sequentially installed on the two sides of the chain wheel body 17 along the radial direction of the shaft and fixed, the outer transparent covers 9 are installed on the outermost sides of the chain wheel shaft 8, the end covers 2 are installed and fixed on the outermost sides of the other ends of the chain wheel shaft 8, the combined chain wheel shaft 8 is installed in a scraper conveyor, the chain wheel shaft 8 is connected with an external motor-driven reducer through splines 14 to provide power for rotation of the chain wheel shaft 8, when the chain teeth 7 are in a problem, the baffle covers 6 are detached, then the broken chain teeth 7 are sequentially detached, the difficulty in replacing the chain wheel body 17 is reduced, and quick replacement of the chain wheel body 17 can be achieved.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention has been described in connection with specific embodiments, but it should be clear to a person skilled in the art that these descriptions are intended to be illustrative and not limiting to the scope of the invention. Various modifications and alterations of this invention will become apparent to those skilled in the art based upon the spirit and principles of this invention, and such modifications and alterations are also within the scope of this invention.

Claims

1. The utility model provides a sprocket assembly convenient to change sprocket body, a serial communication port, including device body (1), sprocket tooth (7) and sprocket shaft (8), be equipped with worker's type groove (12) and through worker's type groove (12) hookup on sprocket tooth (7) and sprocket shaft (8), wherein sprocket tooth (7) are provided with seven groups and make up sprocket body (17), the intermediate position and sprocket body (17) both sides on sprocket shaft (8) are fixed with fender ring, spacer ring, transparent cover (9) and bearing frame (3) along axle radial outside in proper order, the one end outside of sprocket shaft (8) is installed and is had transparent cover (9), and what the outside of one end was installed is end cover (2) in addition, the one end of sprocket shaft (8) stretches out transparent cover (9), install bearing (4) between bearing frame (3) and sprocket shaft (8), the both sides of bearing (4) are all installed distance cover (13) and inboard and are provided with floating seal ring (5), bearing (4) are through distance cover (13), sprocket shaft (8) are through sprocket shaft (14) fixed position and external motor drive motor hookup.

2. The chain wheel assembly convenient for replacing the chain wheel body as claimed in claim 1, wherein each group of the chain wheel teeth (7) can be independently detached, and the other side of the positioning table on the chain wheel shaft (8) is provided with a blocking cover (6) and fixed through a clamp spring (10).

3. The sprocket assembly convenient to change sprocket body of claim 1, characterized in that, sprocket shaft (8) is hollow structure along the axial and sprocket shaft (8) is close to the one end of end cover (2) and installs gland (15), sprocket shaft (8) passes through gland (15) and seals the opening of end cover (2) one side, the other end of sprocket shaft (8) is installed oil block (16) and is used for sealing the opening of the side chain wheel axle (8) of place, still install O type circle and retaining ring on oil block (16).

4. A sprocket assembly for facilitating replacement of a sprocket body according to claim 1, wherein a locking ring and a spacer ring are provided in the device body (1) and an O-ring is provided between the locking ring and the spacer ring.

5. A sprocket assembly for facilitating replacement of a sprocket body according to claim 1, wherein a sealing ring is mounted at the location where the transparent cover (9) is connected to the sprocket shaft (8).

6. A sprocket assembly for facilitating replacement of a sprocket body according to claim 1, wherein the transparent cover (9) and the end cover (2) are fixed to an external head frame with the bearing housing (3) and do not rotate with the sprocket shaft (8).

7. A sprocket assembly facilitating replacement of a sprocket body according to claim 1, wherein a nut is provided between the transparent cover (9) and the contacting distance sleeve (13), and the transparent cover (9) and the end cap (2) are fixed to the bearing seat (3) by means of a screw (11).