CN216368355U

CN216368355U - Helical blade for boiler coal mill equipment

Info

Publication number: CN216368355U
Application number: CN202121946087.3U
Authority: CN
Inventors: 谢昌林; 刘成; 许海洋; 杨杰
Original assignee: Jiangsu Xinchromium Steel Wear Resistant Composite Material Co ltd
Current assignee: Jiangsu Xinchromium Steel Wear Resistant Composite Material Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-04-26
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a helical blade for boiler coal mill equipment, which comprises a blade shaft, wherein an installation structure is arranged inside the blade shaft, a blade structure and a splicing structure are arranged outside the blade shaft, the splicing structure is positioned at two ends of the blade structure, and a fixing structure is arranged at one side of the splicing structure. Has the advantages that: through adopting letter chromium steel XGG chromium carbide bimetal antifriction plate, the problem of wearing and tearing is solved, links together a plurality of blade main parts through mosaic structure, has improved and only needs to change partial blade main part when appearing the damage, the cost is reduced.

Description

Helical blade for boiler coal mill equipment

Technical Field

The utility model relates to the technical field of material conveying of shield tunneling machines, in particular to a helical blade for boiler coal mill equipment.

Background

Screw conveyer's effect is mainly mucking and regulation soil storehouse pressure among the shield constructs machine, there is the problem that the process is complicated and the quality is poor in traditional helical blade forming process, helical blade easily wears out, cause the cutter fragment to get into between helical blade outer fringe and the barrel easily, easily die the screw rod card, and it is serious to cause the spiral organ wearing and tearing, it is too big to make the clearance between blade and the barrel internal diameter, influence unearthed efficiency, the screw rod welding position breaks off easily, helical blade wears out too fast, need often to change.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the related art, the present invention provides a helical blade for a coal mill apparatus of a boiler to overcome the above technical problems in the related art.

Therefore, the utility model adopts the following specific technical scheme:

the utility model provides a helical blade for boiler coal pulverizer equipment, includes the blade axle, the inside of blade axle is provided with mounting structure, the outside of blade axle is provided with blade structure and mosaic structure, mosaic structure is located blade structure's both ends, one side of mosaic structure is provided with fixed knot and constructs.

Furthermore, the mounting structure is composed of a positioning hole and a track groove, and the positioning hole is located at the top end of one side of the track groove.

Further, the blade structure comprises blade main part and constant head tank, the constant head tank is located the inside of blade main part one side, the blade main part adopts letter chromium steel XGG bimetal antifriction plate.

Furthermore, a positioning block is arranged inside the positioning groove, and the positioning groove and the positioning hole correspond to the positioning block.

Furthermore, the splicing structure is composed of a convex block and a groove, the convex block is located at the bottom end of one side of the blade main body, and the groove is located at the bottom end of the other side of the blade main body.

Furthermore, one side of the lug is provided with a first threaded hole and a second threaded hole, and the second threaded hole is located at the bottom end of the first threaded hole.

Furthermore, one side of the groove is provided with a third threaded hole and a fourth threaded hole, and the fourth threaded hole is located at the bottom end of the third threaded hole.

Furthermore, a first gasket is arranged on one side of the first threaded hole, a second gasket is arranged on one side of the second threaded hole, a first bolt is arranged inside the first gasket, and a second bolt is arranged inside the second gasket.

The utility model has the beneficial effects that: through setting up the helical blade who comprises blade axle, mounting structure, blade structure, mosaic structure, fixed knot structure, locating hole, orbit groove, blade main part, constant head tank and locating piece for boiler coal pulverizer equipment to through adopting letter chromium steel XGG chromium carbide bimetal antifriction plate, solve the wearing and tearing problem, link together a plurality of blade main parts through mosaic structure, only need change partial blade main part when having improved the breakage, the cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a helical blade for a coal pulverizer apparatus for a boiler in accordance with an embodiment of the present invention;

FIG. 2 is a schematic structural view of a mounting structure in a helical blade for a coal pulverizer apparatus for a boiler in accordance with an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a blade structure in a spiral blade for a coal pulverizer apparatus of a boiler in accordance with an embodiment of the present invention.

In the figure:

1. a blade shaft; 2. a mounting structure; 3. a blade structure; 4. splicing structures; 5. a fixed structure; 6. positioning holes; 7. a track groove; 8. a blade main body; 9. positioning a groove; 10. positioning blocks; 11. a bump; 12. a groove; 13. a first threaded hole; 14. a second threaded hole; 15. a third threaded hole; 16. a fourth threaded hole; 17. a first gasket; 18. a second gasket; 19. a first bolt; 20. and a second bolt.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, a helical blade for a boiler coal mill apparatus is provided.

The first embodiment is as follows:

as shown in fig. 1 to 3, the helical blade for a coal mill equipment of a boiler according to an embodiment of the present invention includes a blade shaft 1, a mounting structure 2 is disposed inside the blade shaft 1, a blade structure 3 and a splicing structure 4 are disposed outside the blade shaft 1, the splicing structure 4 is located at two ends of the blade structure 3, and a fixing structure 5 is disposed at one side of the splicing structure 4.

By means of the above technical scheme, through setting up by blade axle 1, mounting structure 2, blade structure 3, mosaic structure 4, fixed knot constructs 5, locating hole 6, orbit groove 7, blade main part 8, a helical blade that is used for boiler coal pulverizer equipment that constant head tank 9 and locating piece 10 constitute, thereby through adopting letter chromium steel XGG1800 chromium carbide bimetal antifriction plate, the problem of wearing and tearing is solved, link together a plurality of blade main parts 8 through mosaic structure 4, only need change partial blade main part 8 when having improved to appear damaging, the cost is reduced.

Example two:

as shown in fig. 1-3, the inside of the vane shaft 1 is provided with a mounting structure 2, the outside of the vane shaft 1 is provided with a vane structure 3 and a splicing structure 4, the splicing structure 4 is located at two ends of the vane structure 3, one side of the splicing structure 4 is provided with a fixing structure 5, the mounting structure 2 is composed of a positioning hole 6 and a track groove 7, the positioning hole 6 is located at the top end of one side of the track groove 7, the vane structure 3 is composed of a vane main body 8 and a positioning groove 9, the positioning groove 9 is located inside one side of the vane main body 8, the vane main body 8 adopts a chromium-believed steel XGG1800 bimetal wear plate, the inside of the positioning groove 9 is provided with a positioning block 10, the positioning groove 9, the positioning hole 6 and the positioning block 10 correspond, and by adopting the chromium-believed steel XGG chromium carbide bimetal wear plate, the wear problem is solved, the positioning groove 9 and the positioning hole 6 are connected and fixed through a positioning block 10.

Example three:

as shown in fig. 1-3, a mounting structure 2 is disposed inside the blade shaft 1, a blade structure 3 and a splicing structure 4 are disposed outside the blade shaft 1, the splicing structure 4 is located at two ends of the blade structure 3, a fixing structure 5 is disposed on one side of the splicing structure 4, the splicing structure 4 is composed of a projection 11 and a groove 12, the projection 11 is located at the bottom end of one side of the blade body 8, the groove 12 is located at the bottom end of the other side of the blade body 8, a first threaded hole 13 and a second threaded hole 14 are disposed on one side of the projection 11, the second threaded hole 14 is located at the bottom end of the first threaded hole 13, a third threaded hole 15 and a fourth threaded hole 16 are disposed on one side of the groove 12, the fourth threaded hole 16 is located at the bottom end of the third threaded hole 15, a first gasket 17 is disposed on one side of the first threaded hole 13, and a first gasket 17 is disposed on one side of the second threaded hole 14, the first bolt 19 is arranged inside the first gasket 17, the second bolt 20 is arranged inside the second gasket 18, the adjacent blade bodies 8 are connected through the grooves 12 and the bumps 11, the adjacent blade bodies 8 are fixed through the first bolt 19 and the second bolt 20, and the first gasket 17 ensure that the blade bodies 8 cannot be damaged during fixing.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the blade bodies 8 move along the track grooves 7 through the blade bodies 8, the blade shafts 1 are arranged outside the blade bodies 8, the positioning holes 6 and the positioning grooves 9 are kept on the same vertical line, the positioning blocks 10 are installed in the positioning holes 6 and are fixed through the positioning grooves 9, the adjacent blade bodies 8 are connected together through the bumps 11 and the grooves 12, the first bolts 19 and the second bolts 20 penetrate through the first gaskets 17 and the second gaskets 18 respectively to fix the adjacent blade bodies 8, when the equipment is partially damaged, the positioning blocks 10, the first bolts 19 and the second bolts 20 are taken down, the blade bodies 8 are taken down and replaced with the blade bodies 8 with good quality, and the blade bodies 8 are made of the chromium-steel XGG1800 chromium carbide bimetal wear-resistant plate to solve the wear problem.

In summary, according to the technical scheme of the utility model, the spiral blade for the boiler coal mill equipment, which is composed of the blade shaft 1, the mounting structure 2, the blade structure 3, the splicing structure 4, the fixing structure 5, the positioning hole 6, the track groove 7, the blade main body 8, the positioning groove 9 and the positioning block 10, is arranged, so that the abrasion problem is solved by adopting the chromium steel XGG1800 chromium carbide bimetal abrasion-resistant plate, the blade main bodies 8 are connected together through the splicing structure 4, only part of the blade main bodies 8 need to be replaced when the blade is damaged, and the cost is reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a helical blade for boiler coal pulverizer equipment, its characterized in that, includes blade axle (1), the inside of blade axle (1) is provided with mounting structure (2), the outside of blade axle (1) is provided with blade structure (3) and mosaic structure (4), mosaic structure (4) are located the both ends of blade structure (3), one side of mosaic structure (4) is provided with fixed knot constructs (5).

2. A screw blade for a boiler mill installation according to claim 1, characterized in that the mounting structure (2) is formed by a positioning hole (6) and a trajectory groove (7), the positioning hole (6) being located at the top end of the trajectory groove (7) side.

3. The spiral vane for a boiler coal mill installation according to claim 2, characterized in that the vane structure (3) is composed of a vane body (8) and a positioning groove (9), the positioning groove (9) is located inside one side of the vane body (8), and the vane body (8) is made of chrome-bearing steel XGG1800 bimetal wear plate.

4. The screw blade for a boiler coal mill apparatus according to claim 3, characterized in that a positioning block (10) is provided inside the positioning groove (9), and the positioning groove (9) and the positioning hole (6) correspond to the positioning block (10).

5. A screw blade for a boiler coal mill installation according to claim 3, characterized in that the splicing structure (4) is formed by a projection (11) and a groove (12), the projection (11) being located at the bottom end of one side of the blade body (8) and the groove (12) being located at the bottom end of the other side of the blade body (8).

6. The screw blade for a boiler coal mill equipment according to claim 5, characterized in that one side of the projection (11) is provided with a first threaded hole (13) and a second threaded hole (14), and the second threaded hole (14) is located at the bottom end of the first threaded hole (13).

7. A spiral vane for a boiler coal pulverizer apparatus as set forth in claim 5, characterized in that one side of said groove (12) is provided with a threaded hole three (15) and a threaded hole four (16), said threaded hole four (16) being located at the bottom end of said threaded hole three (15).

8. The screw blade for a boiler coal mill equipment according to claim 6, characterized in that one side of the first threaded hole (13) is provided with a first gasket (17), one side of the second threaded hole (14) is provided with a second gasket (18), the inside of the first gasket (17) is provided with a first bolt (19), and the inside of the second gasket (18) is provided with a second bolt (20).