CN217534203U

CN217534203U - Maintenance-free scraper conveyor head chain wheel for coal mine

Info

Publication number: CN217534203U
Application number: CN202220788697.3U
Authority: CN
Inventors: 张怀启; 余明
Original assignee: Liupanshui Hongguo Development Zone Longding Industry And Trade Co ltd
Current assignee: Liupanshui Hongguo Development Zone Longding Industry And Trade Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-10-04
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a non-maintaining scraper conveyor aircraft nose sprocket for coal mine relates to scraper conveyor technical field, including connecting cylinder assembly, connecting cylinder assembly's both ends outside is connected with left sprocket assembly and right sprocket assembly respectively, left side sprocket assembly is the same with right sprocket assembly's structure, left side sprocket assembly includes a plurality of groups sprocket piece, every group the side of going up of sprocket piece all is connected with the lug, every group the downside of sprocket piece all sets up flutedly, every group spacing groove has all been seted up to the leading flank of sprocket piece, a plurality of groups the structure of sprocket piece equals, a plurality of groups the sprocket piece is the circumference form and arranges, through installing the recess in another set of sprocket piece with the lug in a set of sprocket piece inside, is the concatenation of circumference form with a plurality of groups sprocket piece in proper order, and then can obtain left sprocket assembly and right sprocket assembly, when arbitrary a set of sprocket piece appears damaging, change its roll-off can, reduced the replacement cost.

Description

Maintenance-free scraper conveyor head chain wheel for coal mine

Technical Field

The utility model relates to a scraper conveyor technical field specifically is a non-maintaining scraper conveyor aircraft nose sprocket for coal mine.

Background

At present, a machine head chain wheel in a scraper conveyor consists of a left chain wheel, a right chain wheel and a connecting cylinder between the left chain wheel and the right chain wheel, after the machine head chain wheel is abraded, the whole machine head chain wheel needs to be disassembled, assembled and replaced, the overhauling efficiency is low, the replacing cost is high, and therefore the maintenance-free scraper conveyor machine head chain wheel for the coal mine is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a colliery is with non-maintaining scraper conveyor aircraft nose sprocket has solved among the present scraper conveyor aircraft nose sprocket and has become by left sprocket, right sprocket and connecting cylinder between, and after the aircraft nose sprocket wearing and tearing, need unload the change to whole aircraft nose sprocket, and maintenance efficiency is lower, and changes the higher problem of this cost.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a maintenance-free scraper conveyor head chain wheel for a coal mine comprises a connecting cylinder assembly, wherein the outer parts of two ends of the connecting cylinder assembly are respectively connected with a left chain wheel assembly and a right chain wheel assembly, and the left chain wheel assembly and the right chain wheel assembly are identical in structure;

the left chain wheel assembly comprises a plurality of groups of chain wheel blocks, each group of chain wheel blocks is provided with a convex block on the upper side surface, each group of chain wheel blocks is provided with a groove on the lower side surface, and each group of chain wheel blocks is provided with a limiting groove on the front side surface.

As a further technical solution of the present invention, the sprocket block has a plurality of groups, each of which has a structure equal to that of the sprocket block and is circumferentially arranged.

As a further technical scheme of the utility model, every group the lug all is "L" style of calligraphy structure, every group with every group recess the inside dimension looks adaptation of lug size and every group recess.

As a further technical scheme of the utility model, the connecting cylinder subassembly includes the connecting cylinder, the outside symmetric connection in center of connecting cylinder has two sets of first spacing rings, the surface of connecting cylinder and the side of the first spacing ring of every group all are connected with a plurality of groups spacing block jointly, the external screw thread has all been seted up at the both ends of connecting cylinder, the both ends of connecting cylinder all are connected with threaded cylinder, every group the outside edge of threaded cylinder all is connected with the second spacing ring.

As a further technical scheme of the utility model, a plurality of groups the stopper is circumference form and equidistance and arranges, a plurality of groups the quantity of stopper and the quantity one-to-one of a plurality of groups sprocket piece, a plurality of groups the stopper is located the inside in a plurality of groups spacing groove respectively.

As a further technical scheme of the utility model, it is two sets of the external screw thread respectively with the internal thread structure looks adaptation of two sets of screw thread section of thick bamboo.

Advantageous effects

The utility model provides a non-maintaining scraper conveyor aircraft nose sprocket for coal mine. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a colliery is with non-maintaining scraper conveyor aircraft nose sprocket, is inside the recess of installing in another group of sprocket piece through the lug in a set of sprocket piece, is the circumference form concatenation with a plurality of groups sprocket pieces in proper order, and then can obtain left sprocket assembly and right sprocket assembly, when damage appears in arbitrary a set of sprocket piece, with its roll-off change can, reduced the replacement cost.

2. The utility model provides a non-maintaining scraper conveyor aircraft nose sprocket for coal mine, through installing left sprocket assembly and right sprocket assembly in the outside of connecting cylinder, make a plurality of groups spacing block respectively in the inside of a plurality of groups spacing groove, the installation screw thread section of thick bamboo is rotated respectively in the both ends outside of connecting cylinder, it extrudees fixedly to left sprocket assembly and right sprocket assembly respectively to make two sets of first spacing rings and two sets of second spacing rings, when arbitrary a set of sprocket piece appears damaging, not hard up corresponding screw thread section of thick bamboo can change damaging the sprocket piece, change the back that finishes, it can to tighten the screw thread section of thick bamboo again, increase maintenance efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a head sprocket of a maintenance-free scraper conveyor for coal mines;

FIG. 2 is a schematic view of a disassembled structure of a head sprocket of a maintenance-free scraper conveyor for coal mines;

FIG. 3 is a schematic view of a disassembled structure of a connecting cylinder assembly in a head chain wheel of a maintenance-free scraper conveyor for coal mines;

fig. 4 is a schematic diagram of a split structure of a left chain wheel assembly in a head chain wheel of a maintenance-free scraper conveyor for coal mines.

In the figure: 1. a connecting cylinder assembly; 11. a connecting cylinder; 12. a first limit ring; 13. a limiting block; 14. an external thread; 15. a threaded barrel; 16. a second stop collar; 2. a left sprocket assembly; 21. a sprocket block; 22. a bump; 23. a groove; 24. a limiting groove; 3. a right sprocket assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides a coal mine is with non-maintaining scraper conveyor aircraft nose sprocket technical scheme: the utility model provides a non-maintaining scraper conveyor aircraft nose sprocket for coal mine, includes connecting cylinder subassembly 1, and the both ends outside of connecting cylinder subassembly 1 is connected with left sprocket assembly 2 and right sprocket assembly 3 respectively, and left sprocket assembly 2 is the same with right sprocket assembly 3's structure.

Referring to fig. 4, the left sprocket assembly 2 includes a plurality of groups of sprocket blocks 21, the upper side of each group of sprocket blocks 21 is connected with a projection 22, the lower side of each group of sprocket blocks 21 is provided with a groove 23, the front side of each group of sprocket blocks 21 is provided with a limiting groove 24, the plurality of groups of sprocket blocks 21 have the same structure, the plurality of groups of sprocket blocks 21 are arranged in a circle, each group of projection 22 and each group of groove 23 have an L-shaped structure, and the size of each group of projection 22 is matched with the inner size of each group of groove 23.

In actual use, the left sprocket assembly 2 is formed by mounting the projections 22 of one set of sprocket blocks 21 inside the recesses 23 of the other set of sprocket blocks 21, and similarly, the sets of sprocket blocks 21 are sequentially joined in a circumferential manner.

Referring to fig. 3, the connecting cylinder assembly 1 includes a connecting cylinder 11, two sets of first limiting rings 12 are symmetrically connected to the outside of the center of the connecting cylinder 11, the outer surface of the connecting cylinder 11 and the side surface of each set of first limiting rings 12 are both connected with a plurality of sets of limiting blocks 13, external threads 14 are provided at both ends of the connecting cylinder 11, threaded cylinders 15 are connected to both ends of the connecting cylinder 11, the outer edge of each set of threaded cylinders 15 is connected with a second limiting ring 16, the plurality of sets of limiting blocks 13 are arranged in a circumferential and equidistant manner, the number of the plurality of sets of limiting blocks 13 corresponds to the number of the plurality of sets of sprocket blocks 21 one by one, the plurality of sets of limiting blocks 13 are respectively located inside the plurality of sets of limiting grooves 24, and the two sets of external threads 14 are respectively matched with the internal thread structures of the two sets of threaded cylinders 15.

The utility model discloses a theory of operation: when in use, the convex blocks 22 in one group of the chain wheel blocks 21 are arranged in the concave grooves 23 in the other group of the chain wheel blocks 21, the plurality of groups of the chain wheel blocks 21 are sequentially spliced in a circumferential shape, and the right chain wheel assembly 3 is spliced in the same way as the left chain wheel assembly 2 and the right chain wheel assembly 3 which have the same structure;

installing the left chain wheel assembly 2 outside the connecting cylinder 11, enabling a plurality of groups of limiting blocks 13 to be respectively clamped inside a plurality of groups of limiting grooves 24, further preventing the left chain wheel assembly 2 from rotating, installing a group of threaded cylinders 15 outside the left end of the connecting cylinder 11 in a rotating mode, screwing the threaded cylinders 15 to enable the first limiting rings 12 and the second limiting rings 16 to extrude and fix the left chain wheel assembly 2, and similarly, installing the right chain wheel assembly 3 according to the operation;

if any group of chain wheel blocks 21 in the left chain wheel component 2 or the right chain wheel component 3 are damaged, the corresponding group of thread cylinders 15 are loosened, then the damaged chain wheel blocks 21 can be directly replaced, and after the replacement is finished, the thread cylinders 15 are screwed again.

Claims

1. The maintenance-free scraper conveyor head chain wheel for the coal mine is characterized by comprising a connecting cylinder assembly (1), wherein the outer parts of two ends of the connecting cylinder assembly (1) are respectively connected with a left chain wheel assembly (2) and a right chain wheel assembly (3), and the structures of the left chain wheel assembly (2) and the right chain wheel assembly (3) are the same;

left side sprocket assembly (2) include a plurality of groups sprocket piece (21), every group the last side of sprocket piece (21) all is connected with lug (22), every group recess (23) have all been seted up to the downside of sprocket piece (21), every group spacing groove (24) have all been seted up to the leading flank of sprocket piece (21).

2. The coal mine maintenance-free scraper conveyor head sprocket as claimed in claim 1, wherein the plurality of groups of said sprocket blocks (21) are of equal structure, and the plurality of groups of said sprocket blocks (21) are arranged circumferentially.

3. The coal mine maintenance-free scraper conveyor head sprocket as claimed in claim 1, wherein each set of said projections (22) and each set of said grooves (23) are in an "L" shape, and the size of each set of said projections (22) is adapted to the internal size of each set of said grooves (23).

4. The coal mine maintenance-free scraper conveyor head sprocket as claimed in claim 1, characterized in that the connecting cylinder assembly (1) comprises a connecting cylinder (11), two sets of first limit rings (12) are symmetrically connected to the outside of the center of the connecting cylinder (11), a plurality of sets of limit blocks (13) are connected to the outer surface of the connecting cylinder (11) and the side surfaces of each set of first limit rings (12) together, external threads (14) are formed at both ends of the connecting cylinder (11), threaded cylinders (15) are connected to both ends of the connecting cylinder (11), and a second limit ring (16) is connected to the outer edge of each set of threaded cylinders (15).

5. The coal mine maintenance-free scraper conveyor head sprocket as claimed in claim 4, wherein a plurality of groups of the limit blocks (13) are arranged in a circumferential and equidistant manner, the number of the limit blocks (13) and the number of the sprocket blocks (21) correspond to each other one by one, and the limit blocks (13) are respectively located inside the limit grooves (24).

6. The coal mine maintenance-free scraper conveyor head chain wheel of claim 4, characterized in that, two groups of external threads (14) are respectively matched with the internal thread structures of two groups of threaded cylinders (15).