CN209761423U

CN209761423U - Roller for mining mechanical equipment

Info

Publication number: CN209761423U
Application number: CN201720201406.5U
Authority: CN
Inventors: 胡沿东; 张珂; 张进才
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-03
Filing date: 2017-03-03
Publication date: 2019-12-10
Anticipated expiration: 2027-03-03

Abstract

The utility model discloses a mining mechanical equipment is with roller, including roll body (1) the roll surface of roll body (1) is provided with toothholder (2) install the cutter on toothholder (2), the cutter have with blade holder (3) that toothholder (2) are connected with install tool bit, its characterized in that on blade holder (3): the cutter head is provided with a linear cutting edge, and the cutting edge and the axis of the roller body (1) are in the same direction. Adopt the utility model discloses a higher ore of hardness can be handled to the roller, and handles the back ore particle size littleer.

Description

Roller for mining mechanical equipment

Technical Field

The utility model relates to an equipment for the mining field especially relates to a roller on mining machinery equipment.

Background

currently, mine mining is divided into well mining and open-pit mining. The traditional mining mode of surface mining is a drilling and blasting mining mode, namely a drilling, blasting, shoveling and automobile transportation mode. The traditional open-pit mining has serious problems of disturbance to people around the mine, dust pollution and the like.

In open-pit mining, imported mining equipment such as surface miners from the german witgen Group, road excavators from the Vermeer corporation, usa, and the like are mainly used. The investment cost of imported equipment is high, the material consumption requirement of the cutter is high, and the cost is high, so that the development of domestic mining enterprises is restricted.

Further, in the conventional roller for mining machine equipment, a mounting hole is formed in the roller body, and then a cylindrical cutter is mounted in the mounting hole, and the conventional cutter is generally a milling cutter type or a drill bit type. The concrete structure is as follows: the cutter comprises a cutter holder, wherein a round hole for installing a cutter head is formed in the cutter holder, the cutter head is positioned in the round hole, the part inside the round hole is cylindrical, and the part outside the round hole is conical. In mining, the working principle of similar air gouging, namely impact vibration and rotary hard friction are utilized to crush ores. The ore with the Purchase hardness coefficient of 8-10 can be crushed into blocks with the granularity of 150-160 mm. And the existing mining machine cutter is seriously damaged and abraded, the cutter is frequently replaced, the cutter consumption accounts for a considerable part of the mining cost, and the cost of the mined ore is further improved.

In addition, the vibration and the environmental noise of mining mechanical equipment are very large in the mining process, so that the physical health of operators is influenced, and meanwhile, the problem of disturbing people around the operation is increasingly highlighted.

moreover, because mining conditions are severe, the strength of the cutter is required to be high, and the cutter is usually made of tungsten alloy materials and formed by powder metallurgy pressing. Therefore, for the existing tool bit, the manufacturing process is complex, the difficulty is high, the cost is high, the maintenance cost is high for a user enterprise, and the replacement is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can handle the ore of higher hardness and handle the little roller for mining machinery equipment of back granularity.

In order to achieve the above object, the present invention is realized as follows: a roller for mining equipment, includes the roll body the roll surface of roll body is provided with the toothholder install the cutter on the toothholder, the cutter have with the blade holder that the toothholder is connected with install the tool bit on the blade holder, its characterized in that: the cutter head is provided with a linear cutting edge, and the cutting edge and the axis of the roller body are in the same direction. The roller arranged in the mode can mine ores with the Pythagorean hardness coefficient of more than 15, and can process the ores until the granularity is less than 60 mm.

Preferably, the cutting head is a blade. The adoption of the arrangement can save cost and prolong the service life.

In order to improve the treatment capacity, the tooth bases are arranged on the roller surface of the roller body in a staggered mode.

In order to further facilitate replacement, a mounting seat is arranged on the tooth holder, and the cutter is fixed in the mounting seat.

In order to further improve the service life, one side wall of the mounting seat is provided with a step, and the tool apron is provided with a boss matched with the top surface of the step. The strength of the cutter can be improved by adopting the arrangement.

In order to further improve the service life, the other side wall of the mounting seat is provided with a limiting boss for limiting the tool apron.

To further facilitate replacement, the insert seat is mounted on the side wall of the step by means of screws.

In order to further increase the life of the tool, a mounting groove is provided on the holder, in which the insert is mounted.

In order to further prolong the service life of the cutter, the blade and the mounting groove are bonded or welded by metal.

In order to further improve the strength of the cutter, the cross section of the mounting groove has a structure with a narrow top and a wide bottom.

In order to further save the process cost and improve the installation strength, the cross section of the installation groove is trapezoidal, inverted T-shaped or L-shaped.

In order to further improve the service life of the cutter, the mounting groove is provided with two side walls matched with two sides of the blade, wherein one side wall is higher than the other side wall and is provided with a boss matched with the step.

In order to further improve the cutting effect, the blade is 5-10mm higher than the side wall with the boss.

In order to further increase the cutting effect, the blade has a cutting angle of 0-20 °. The cutting angle is an included angle between the back of the cutter and the vertical direction of the cutter.

In order to further consider the service life, the strength, the cost and the using effect of the cutter, the thickness of the blade is 10-25 mm.

In order to further improve the mounting strength and the mining effect, the blade is trapezoidal in the cutting direction.

Preferably, the cutting edge of the blade is 20-300mm long. Such an arrangement enables the tool to be used to process a wide variety of ores.

In order to further drive the roller body and improve the adaptability of the roller body, two ends of the roller body are provided with supporting structures, and one end or two ends of the roller body are provided with driving mechanisms.

In order to further make the installation compact, the two end faces of the roller body are provided with inner grooves, and brackets are fixed on the groove walls of the inner grooves through bearings.

In order to further improve the adaptability of the roller body to various road surfaces, the bracket is provided with an inner cavity, a driving device is installed on the inner cavity of the bracket at one end or two ends of the roller body, and a driving shaft of the driving device is fixedly connected with the roller body.

In order to further improve the cutting effect, the blade and the tangent line of the roller body form an included angle of 0-30 degrees.

In order to further improve the adaptability of the roller, the diameter of the roller body is 1-3.5 m.

Adopt the utility model discloses a mining mechanical equipment is with roller, the beneficial effect who brings has:

1. The roller of the utility model can process ore with hardness over 15 (coefficient of Pythrithm hardness), and especially has the best effect on processing ore with hardness between 15-20 coefficient of Pythhm hardness.

2. Adopt the utility model discloses a roller, at the in-process of handling the ore, can handle the ore and the granularity is less than 60mm, the processing of one process under the convenience.

3. Adopt the utility model discloses a roller, low, the long service life of processing cost, greatly reduced mining machinery equipment's use cost.

4. Adopt the utility model discloses a roller can be handled the ore on any road surface, like flat road, abrupt slope, inclined path etc..

5. The utility model discloses a noise is low during roller processing ore, has reduced the noise puzzlement to peripheral resident.

Description of the drawings:

FIG. 1 is a view of a dental base with a cutting tool;

FIG. 2 is a cross-sectional view B-B of FIG. 1;

FIG. 3 is a block diagram of a cutter;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a view showing the construction of a roller (with a driving mechanism);

Fig. 6 is a structural view of the roller (with two drive mechanisms).

The specific implementation mode is as follows:

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or replacements within the basic spirit of the embodiments still fall within the scope of the present invention claimed in the claims.

Example 1: the utility model provides a roller for mining equipment, includes roll body 1 the roll surface of roll body 1 is provided with toothholder 2 install the cutter on the toothholder 2, the cutter have with blade holder 3 that toothholder 2 is connected with install tool bit on the blade holder, the tool bit has linear cutting edge, just the cutting edge with 1 axis syntropy of roll body.

With the roller for a mining apparatus of the present embodiment, it is possible to mine ore of the hardness factor of 15 against the Python hardness, such as very strong granite, and to process the ore to a grain size of 60 mm.

Example 2: as shown in fig. 1 to 4, a roller for mining equipment comprises a roller body 1, a tooth holder 2 is arranged on the roller surface of the roller body 1, a cutter is arranged on the tooth holder 2, the cutter is provided with a cutter holder 3 connected with the tooth holder 2 and a cutter head arranged on the cutter holder 3, the cutter head is provided with a linear cutting edge, and the cutting edge is in the same direction with the axis of the roller body 1.

The cutter head is a blade 4, an installation groove 32 is formed in the cutter holder 3, and the blade 4 is installed in the installation groove 32. The cross section of the mounting groove 32 has a structure that is narrow at the top and wide at the bottom. In this embodiment, the mounting groove 32 has a trapezoidal cross section. The blade 4 is trapezoidal and matched with the cross section of the mounting groove 32. When the mounting is carried out, the blade 4 is installed into the mounting groove 32 from the side surface of the mounting groove 32, and then the blade 4 and the mounting groove 32 are fixedly bonded together by using metal glue.

In this embodiment, the tooth holders 2 are integrally cast with the roller body 1, and the tooth holders 2 are alternately arranged on the surface of the roller body 1. The tooth holder 2 is provided with a mounting seat 21, and the cutter is fixed in the mounting seat 21. One side of the mounting seat 21 is provided with a step 22, the tool apron 4 is provided with a boss 31 matched with the top surface of the step 22, and the other side of the mounting seat 21 is provided with a limit boss 23 for limiting the tool apron 3. When the tool apron 3 is installed, the tool apron 3 is pushed in from the side surface of the installation seat 21, so that the boss 31 of the tool apron 3 is buckled with the step 22 of the installation seat 21, and then the tool apron 3 is locked on the step side wall of the installation seat 21 from the side with the limiting boss 23 by using a screw.

In addition, supporting devices are arranged at two ends of the roller body 1, and driving devices are arranged at two ends of the roller body.

With the roller for a mining apparatus of the present embodiment, it is possible to mine ores having a hardness coefficient of 15 or more in Python hardness, such as very strong quartzite, and to process the ores to a particle size of 55 mm.

In addition, the mining mechanical equipment roller of the embodiment can reduce the process cost, reduce the abrasion of the cutter, prolong the service life of the cutter and greatly reduce the use cost of the mining mechanical equipment. Also, the roller can be suitably used on any road surface, such as a flat road, a steep slope, an inclined road, and the like.

Moreover, the roller has low noise when processing ore, and reduces noise trouble to surrounding residents.

Example 3: as shown in fig. 1 to 6, a roller for mining equipment comprises a roller body 1, a tooth holder 2 is arranged on the roller surface of the roller body 1, a cutter is arranged on the tooth holder 2, the cutter is provided with a cutter holder 3 connected with the tooth holder 2 and a cutter head arranged on the cutter holder 3, the cutter head is provided with a linear cutting edge, and the cutting edge is in the same direction with the axis of the roller body 1.

the cutter head is a blade 4, an installation groove 32 is formed in the cutter holder 3, and the blade 4 is installed in the installation groove 32. The cross section of the mounting groove 32 has a structure that is narrow at the top and wide at the bottom. In this embodiment, the mounting groove 32 has an inverted T-shaped cross section. The blade 4 is in an inverted T shape matched with the cross section of the mounting groove 32. When the blade 4 is installed, the blade 4 is installed into the installation groove 32 from the side surface of the installation groove 32, and then the blade 4 and the installation groove 32 are welded together by welding.

In this embodiment, the tooth holders 2 are integrally cast with the roller body 1, and the tooth holders 2 are alternately arranged on the surface of the roller body 1. The tooth holder 2 is provided with a mounting seat 21, and the cutter is fixed in the mounting seat 21. One side of the mounting seat 21 is provided with a step 22, the tool apron 3 is provided with a boss 31 matched with the top surface of the step 22, and the other side of the mounting seat 21 is provided with a limit boss 23 for limiting the tool apron 3. When mounting, the cutter is pushed in from the side of the mounting seat 21, so that the boss 31 of the cutter holder 3 is engaged with the step 22 of the mounting seat 21, and then the cutter holder 3 is locked on the step side wall of the mounting seat 21 from the side having the limit boss 23 by using a screw.

In addition, supporting devices are arranged at two ends of the roller body 1, and driving devices are arranged at two ends of the roller body 1. The roller comprises a roller body 1 and is characterized in that inner grooves 11 are formed in two ends of the roller body 1, the supporting device is a bracket 6, and the bracket 6 is installed in the inner grooves 11 and is connected with the groove walls of the inner grooves 11 through bearings 5. One side of the bracket 6 facing the inner groove 11 is provided with an inner cavity 61, the driving device 7 is installed in the inner cavity 61, and a driving shaft of the driving device 7 extends out of the inner cavity 7 and is fixedly connected with the inner end face of the inner groove 11. In this embodiment, the two driving devices 7 are respectively disposed on two sides of the roller body.

The roll diameter of the roll body 1 is 1-3.5m, and may be selected from, but not limited to, 1m, 1.5m, 2m, 2.5m, 3m, or 3.5m, and in this embodiment, the roll diameter of the roll body 1 is 1 m.

With the roller for a mining apparatus of the present embodiment, it is possible to mine ore having a hardness coefficient of 15 or more in terms of Python hardness, such as the strongest granite, and to process the ore to a particle size of 55 mm.

In addition, the mining mechanical equipment roller of the embodiment can reduce the process cost, reduce the abrasion of the cutter, prolong the service life of the cutter and greatly reduce the use cost of the mining mechanical equipment. Also, the roller can be suitably used on any road surface, such as a flat road, a steep slope, an inclined road, and the like. The noise is low when the cutter is used for processing ores, and the noise trouble to surrounding residents is reduced.

Example 4: as shown in fig. 1 to 6, a roller for mining equipment comprises a roller body 1, a tooth holder 2 is arranged on the roller surface of the roller body 1, a cutter is arranged on the tooth holder 2, the cutter is provided with a cutter holder 3 connected with the tooth holder 2 and a cutter head arranged on the cutter holder 3, the cutter head is provided with a linear cutting edge, and the cutting edge is in the same direction with the axis of the roller body 1.

the cutter head is a blade 4, an installation groove 32 is formed in the cutter holder 3, and the blade 4 is installed in the installation groove 32. The cross section of the mounting groove 32 has a structure that is narrow at the top and wide at the bottom. In this embodiment, the mounting groove 32 has an L-shaped cross section. The blade 4 is in an L shape matched with the cross section of the mounting groove 32. When the mounting is carried out, the blade 4 is installed into the mounting groove 32 from the side surface of the mounting groove 32, and then the blade 4 and the mounting groove 32 are fixedly bonded together by using metal glue.

Also, the mounting groove 32 has two sidewalls engaged with both sides of the blade 4, one of the sidewalls being higher than the other sidewall. After the blade 4 is installed in the installation groove 32, the blade 4 is 5-10mm higher than the higher side wall of the installation groove 32, and this distance may be 5mm, 6mm, 7mm, 8mm, 9mm or 10mm, in this embodiment, the blade 4 is 6.5mm higher than the higher side wall of the installation groove 32.

In this embodiment, the tooth holders 2 are integrally cast with the roller body 1, and the tooth holders 1 are alternately arranged on the surface of the roller body 1. The tooth holder 2 is provided with a mounting seat 21, and the cutter is fixed in the mounting seat 21. One side of the mounting seat 21 is provided with a step 22, a boss 31 matched with the top surface of the step 22 is arranged on the higher side of the tool apron 3, and the other side of the mounting seat 21 is provided with a limiting boss 23 for limiting the tool apron 3. When the tool is installed, the tool is pushed in from the side of the installation seat 21, so that the boss 31 of the tool holder 3 is engaged with the step 22 of the installation seat 21, and then the tool holder 3 is locked on the step side of the installation seat 21 from the side having the limit boss 23 by using a screw.

In addition, supporting devices are arranged at two ends of the roller body 1, and driving devices 7 are arranged at two ends of the roller body 1. The roller comprises a roller body 1 and is characterized in that inner grooves 11 are formed in two ends of the roller body 1, the supporting device is a bracket 6, and the bracket 6 is installed in the inner grooves 11 and is connected with the groove walls of the inner grooves 11 through bearings 5. One side of the bracket 6 facing the inner groove 11 is provided with an inner cavity 61, the driving device 7 is installed in the inner cavity 61, and a driving shaft of the driving device 7 extends out of the inner cavity 61 and is fixedly connected with the inner end face of the inner groove 11. In the present embodiment, the driving device 7 is one and is disposed on one side of the roller body 1.

the roll diameter of the roll body 1 is 1-3.5m, and may be selected from, but not limited to, 1m, 1.5m, 2m, 2.5m, 3m, or 3.5m, and in this embodiment, the roll diameter of the roll body is 2 m.

With the roller for a mining apparatus of the present embodiment, it is possible to mine ores having a hardness coefficient of pockels of 15 or more, such as relatively strong siliceous schists, and to process the ores to a grain size of 50 mm.

In addition, the mining mechanical equipment roller of the embodiment can reduce the process cost, reduce the abrasion of the cutter, prolong the service life of the cutter and greatly reduce the use cost of the mining mechanical equipment. And, the noise is low when the cutter is processed the ore, has reduced the noise puzzlement to the resident of periphery.

Example 5: as shown in fig. 1 to 6, a roller for mining equipment comprises a roller body 1, a tooth holder 2 is arranged on the roller surface of the roller body 1, a cutter is arranged on the tooth holder 1, the cutter is provided with a cutter holder 3 connected with the tooth holder 2 and a cutter head arranged on the cutter holder 3, the cutter head is provided with a linear cutting edge, and the cutting edge is in the same direction with the roller body axis.

Also, the mounting groove 32 has two sidewalls engaged with both sides of the blade 4, one of the sidewalls being higher than the other sidewall. After the blade 4 is installed in the installation groove 32, the blade 4 is 5-10mm higher than the upper side wall of the installation groove 32, and this distance may be 5mm, 6mm, 7mm, 8mm, 9mm or 10mm, in this embodiment, the blade 4 is 7mm higher than the upper side wall of the installation groove 32.

In addition, the blade 4 has a cutting angle α of 0 to 20 °. Wherein the cutting angle α may be 0 °, 5 °, 10 °, 13 °, 15 °, 18 °, 20 °, or the like. In the present embodiment, the angle of the cutting angle α is 15 °. The cutting angle alpha is an included angle between the back of the blade 4 and the vertical direction of the cutter.

In this embodiment, the tooth holders 2 are integrally cast with the roller body 1, and the tooth holders 2 are alternately arranged on the surface of the roller. Wherein, the tooth holder 2 is provided with an angle during casting, so that the tooth holder 2 has an included angle of 0-30 ° with a tangent line of the surface of the roller body 1 after casting, and the included angle can be selected from but not limited to 0 °, 5 °, 10 °, 15 °, 20 °, 25 ° or 30 °, and in the embodiment, the included angle is selected from 10 °.

The tooth holder 2 is further provided with a mounting seat 21, and the cutter is fixed in the mounting seat 21. One side of the mounting seat 21 is provided with a step 22, a boss 31 matched with the top surface of the step 22 is arranged on the higher side of the tool apron 3, and the other side of the mounting seat 21 is provided with a limiting boss 23 for limiting the tool apron 3. When the tool is installed, the tool is pushed in from the side of the installation seat 21, so that the boss 31 of the tool holder 3 is engaged with the step 22 of the installation seat 21, and then the tool holder 3 is locked on the step side of the installation seat 21 from the side having the limit boss 23 by using a screw.

In addition, supporting devices are arranged at two ends of the roller body 1, and driving devices 7 are arranged at two ends of the roller body 1. The roller comprises a roller body 1 and is characterized in that inner grooves 11 are formed in two ends of the roller body 1, the supporting device is a bracket 6, and the bracket 6 is installed in the inner grooves 11 and is connected with the groove walls of the inner grooves 11 through bearings 5. One side of the bracket 6 facing the inner groove 11 is provided with an inner cavity 61, the driving device 7 is installed in the inner cavity 61, and a driving shaft of the driving device 7 extends out of the inner cavity 61 and is fixedly connected with the inner end face of the inner groove 11. In this embodiment, the two driving devices 7 are respectively disposed on two sides of the roller body 1.

The roll diameter of the roll body 1 is 1-3.5m, and may be selected from, but not limited to, 1m, 1.5m, 2m, 2.5m, 3m, or 3.5m, and in this embodiment, the roll diameter of the roll body 1 is 2 m.

with the roller for a mining apparatus of the present embodiment, it is possible to mine an ore having a hardness of 20 in Python hardness, such as the strongest, dense, tough quartzite, and to process the ore to a grain size of 50 mm.

Example 6: this embodiment is an improvement made in embodiments 1 to 5, in this embodiment, the thickness of the blade 4 is 10 to 25mm, and the thickness may be 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, etc., and in this embodiment, the thickness of the blade 4 is 18 mm.

In addition, the blade 4 may be a blade with a thickness equal from top to bottom, or a blade with a thin top and a thick bottom, in this embodiment, the thickness of the lower portion of the blade 4 is greater than the thickness of the upper portion, and the thickness of the blade 4 refers to the minimum thickness of the upper portion of the blade 4.

Example 7: as shown in fig. 1, this embodiment is optimized to embodiments 1 to 6, in this embodiment, the blade 4 has a trapezoidal shape in the cutting direction, the tool holder 3 also has a trapezoidal shape in the cutting direction, and further, the tool holder 2 also has a trapezoidal shape in the cutting direction. The assembled blade 4, the tool apron 3 and the tooth socket 2 are integrally trapezoidal in the cutting direction.

Of course, it could be rectangular or other shapes, but the use of a trapezoidal shape would allow the tool to be stressed best.

Example 8: this example is an optimization of examples 1-7, in which the cutting edge of the blade 4 is 20-300mm long. The blade edge length may be 20mm, 40mm, 60mm, 80mm, 100mm, 120mm, 140mm, 160mm, 180mm, 200mm, 220mm, 240mm, 260mm, 280mm or 300 mm.

In this embodiment, the tool is used for processing ore with a Pocken hardness coefficient of 20, such as the strongest, dense and tough basalt or various other particularly strong rocks, and the length of the cutting edge of the tool is 300 mm.

Claims

1. The utility model provides a mining mechanical equipment is with roller, includes roll body (1) the roll surface of roll body (1) is provided with toothholder (2) install the cutter on toothholder (2), the cutter have with blade holder (3) that toothholder (2) are connected and install tool bit on blade holder (3), its characterized in that: the cutter head is a blade (4) and is provided with a linear cutting edge, and the cutting edge and the axis of the roller body (1) are in the same direction.

2. The roller for a mining mechanical device as claimed in claim 1, wherein: the tooth holders (2) are arranged on the surface of the roller body (1) in a staggered mode.

3. The roller for a mining mechanical device as claimed in claim 2, wherein: the tooth holder (2) is provided with a mounting seat (21), and the cutter is fixed in the mounting seat (21).

4. The roller for a mining mechanical device as claimed in claim 3, wherein: a step (22) is arranged on one side wall of the mounting seat (21), and a boss (31) matched with the top surface of the step is arranged on the tool apron (3).

5. The roller for a mining mechanical device as claimed in claim 4, wherein: the other side wall of the mounting seat (21) is provided with a limiting boss (23) for limiting the tool apron (3).

6. The roller for a mining mechanical device as claimed in claim 5, wherein: the tool apron (3) is mounted on the side wall of the step (22) through a screw.

7. The roller for a mining mechanical device as claimed in claim 4 or 6, wherein: the tool apron (3) is provided with a mounting groove (32), and the blade (4) is mounted in the mounting groove (32).

8. The roller for a mining mechanical device as claimed in claim 5, wherein: the tool apron (3) is provided with a mounting groove (32), and the blade (4) is mounted in the mounting groove (32).

9. The roller for a mining mechanical device of claim 7, wherein: the blade (4) and the mounting groove (32) are bonded or welded by metal.

10. The roller for a mining mechanical device as claimed in claim 8, wherein: the blade (4) and the mounting groove (32) are bonded or welded by metal.

11. The roller for a mining mechanical device of claim 7, wherein: the cross section of the mounting groove (32) has a structure with a narrow top and a wide bottom.

12. The roller for a mining mechanical device as claimed in claim 9 or 10, wherein: the cross section of the mounting groove (32) has a structure with a narrow top and a wide bottom.

13. The roller for a mining mechanical device as claimed in claim 11, wherein: the cross section of the mounting groove (32) is trapezoidal, inverted T-shaped or L-shaped.

14. The roller for a mining mechanical device as claimed in claim 12, wherein: the cross section of the mounting groove (32) is trapezoidal, inverted T-shaped or L-shaped.

15. The roller for a mining mechanical device as claimed in claim 13 or 14, wherein: the mounting groove (32) is provided with two side walls matched with two sides of the blade (4), wherein one side wall is higher than the other side wall and is provided with a boss (31) matched with the step (22).

16. The roller for a mining mechanical device of claim 15, wherein: the blade (4) is 5-10mm higher than the side wall with the boss (31).

17. The roller for a mining mechanical device as claimed in claim 16, wherein: the blade (4) has a cutting angle of 0-20 °.

18. The roller for a mining mechanical device of claim 17, wherein: the thickness of the blade (4) is 10-25 mm.

19. The roller for a mining mechanical device as claimed in claim 18, wherein: the blade (4) is trapezoidal in the cutting direction.

20. The roller for a mining mechanical device as claimed in claim 19, wherein: the blade edge of the blade (4) is 20-300mm long.

21. The roller for a mining mechanical device as claimed in claim 20, wherein: supporting structures are arranged at two ends of the roller body (1), and a driving mechanism is arranged at one end or two ends of the roller body.

22. The roller for a mining mechanical device of claim 21, wherein: inner grooves (11) are formed in two end faces of the roller body (1), and brackets (6) are fixed on the groove walls of the inner grooves (11) through bearings (5).

23. The roller for a mining mechanical device as claimed in claim 22, wherein: bracket (6) have interior cavity (61) install drive arrangement (7) on interior cavity (61) of bracket (6) at roll body (1) one end or both ends, the drive shaft of drive arrangement (7) with roll body (1) fixed connection.

24. The roller for a mining mechanical device of claim 23, wherein: the blade (4) and the tangent line of the roller body (1) form an included angle of 0-30 degrees.

25. The roller for a mining mechanical device as claimed in claim 1, wherein: the diameter of the roller body (1) is 1-3.5 m.

26. The roller for a mining mechanical device as claimed in claim 1, wherein: the blade (4) has a cutting angle of 0-20 °.

27. The roller for a mining mechanical device as claimed in claim 1, wherein: the thickness of the blade (4) is 10-25 mm.

28. The roller for a mining mechanical device as claimed in claim 1, wherein: the blade (4) is trapezoidal in the cutting direction.

29. The roller for a mining mechanical device as claimed in claim 1, wherein: the blade edge of the blade (4) is 20-300mm long.

30. The roller for a mining mechanical device as claimed in claim 1, wherein: supporting structures are arranged at two ends of the roller body (1), and a driving mechanism is arranged at one end or two ends of the roller body.

31. The roller for a mining mechanical device as claimed in claim 1, wherein: inner grooves (11) are formed in two end faces of the roller body (1), and brackets (6) are fixed on the groove walls of the inner grooves (11) through bearings (5).

32. The roller for a mining mechanical device as claimed in claim 31, wherein: bracket (6) have interior cavity (61) install drive arrangement (7) on interior cavity (61) of bracket (6) at roll body (1) one end or both ends, the drive shaft of drive arrangement (7) with roll body (1) fixed connection.

33. The roller for a mining mechanical device as claimed in claim 1, wherein: the blade (4) and the tangent line of the roller body (1) form an included angle of 0-30 degrees.

34. The roller for a mining mechanical device as claimed in claim 1, wherein: the diameter of the roller body (1) is 1-3.5 m.