CN216224676U - Coal rock crushing mechanism with radial vibration - Google Patents
Coal rock crushing mechanism with radial vibration Download PDFInfo
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- CN216224676U CN216224676U CN202122845924.XU CN202122845924U CN216224676U CN 216224676 U CN216224676 U CN 216224676U CN 202122845924 U CN202122845924 U CN 202122845924U CN 216224676 U CN216224676 U CN 216224676U
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- coal rock
- rotating shaft
- inner box
- radial vibration
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Abstract
The utility model provides a coal rock crushing mechanism with radial vibration, which comprises a disc cutter for crushing coal rock, wherein the disc cutter is connected with a rotating shaft, the rotating shaft is arranged in an inner box body, an eccentric block is arranged in the inner box body, the eccentric block is connected with the rotating shaft through a flat key, the other end of the rotating shaft is connected with a hydraulic motor, and the hydraulic motor is arranged in the inner box body; the other end of the inner box body is connected with one end of a universal hinge, the other end of the universal hinge is connected with the machine body, the machine body is connected with the outer box body, an annular spring device is arranged in the outer box body, the annular spring is connected with the outer wall of the inner box body through an adjusting bolt and an adjusting ring block, and a distance sleeve is arranged between the annular spring devices. The utility model can realize the radial vibration of the disc mechanism to crush the coal rock, reduce the abrasion of the disc cutter, prolong the service life of the disc cutter and improve the coal rock crushing efficiency by more than 30 percent.
Description
Technical Field
The utility model relates to the technical field of coal mine machinery, in particular to a coal rock crushing mechanism with radial vibration.
Background
Coal is used as basic energy in China, is still accompanied with important roles along with the development of society, is predicted to be unchanged before 2050, is gradually increased in coal mining difficulty along with the increase of coal mining quantity in the process of tunneling of all-rock roadways, is continuously developed for coal mining industry, is also utilized for coal seams which are difficult to mine, and obviously improves the hardness of cut objects for the coal seams. The damage of cutting hard coal rocks to the traditional mining mechanical equipment cannot be ignored, and the mechanical equipment can be directly scrapped. Imbalance in mining scale is also a major cause of concern for safe and efficient production of coal. In order to solve the key technology of tunneling of all-rock roadways, a large number of studies are carried out by numerous scholars at home and abroad, and the coal rock with the compressive strength of less than 80MPa is solved. Due to the limitation of working places and mechanical equipment, a few cantilever type tunneling machines can cut rocks with hardness of over 80MPa at present, but the cutting effect is not ideal, and cutting teeth are seriously abraded when the cantilever type tunneling machines face harder rocks. Therefore, it is extremely urgent to enhance the cutting performance of the heading machine.
At present, the distance between the mining mechanical equipment in China and developed countries is larger, and based on the cantilever type development machine widely applied to tunnel and coal mine tunnel development at present, on the basis of changing the experimental research of a loading mode and a cutter structure, a mechanism and a cutter suitable for efficiently crushing coal rocks are urgently developed. Therefore, it is necessary to provide a coal rock breaking mechanism with radial vibration.
SUMMERY OF THE UTILITY MODEL
The utility model provides a coal rock crushing mechanism with radial vibration, which utilizes the inertia force generated by an eccentric block arranged on a rotating shaft to realize the radial movement of a disc cutter to crush coal rock and reduce the abrasion of the disc cutter.
In order to achieve the purpose, the utility model provides a coal rock crushing mechanism with radial vibration, which comprises a disc cutter for crushing coal rocks, wherein the disc cutter is connected with a rotating shaft, the rotating shaft is arranged in an inner box body, an eccentric block is arranged in the inner box body, the eccentric block is connected with the rotating shaft through a flat key, the other end of the rotating shaft is connected with a hydraulic motor, and the hydraulic motor is arranged in the inner box body; the other end of the inner box body is connected with one end of a universal hinge, the other end of the universal hinge is connected with the machine body, the machine body is connected with the outer box body, an annular spring device is arranged in the outer box body, and the annular spring device is connected with the outer wall of the inner box body through an adjusting bolt and an adjusting ring block.
The annular spring device has a plurality ofly, is equipped with apart from the cover between the adjacent annular spring device.
Compared with the related art, the radial vibration coal rock crushing mechanism provided by the utility model has the following beneficial effects:
1. the coal rock crushing mechanism with the radial vibration is ingenious in structural design, the radial vibration of the disc cutter head is realized by utilizing the inertia force generated by the eccentric block arranged on the rotating shaft, the traditional mode cutter for crushing the coal rock by axial vibration is changed, and the abrasion of the disc cutter is reduced.
2. The coal rock crushing mechanism with the radial vibration is provided with the annular spring device, so that the radial vibration amplitude of the coal rock crushing mechanism can be effectively controlled, and the coal rock crushing quality and efficiency are improved.
3. The coal rock crushing mechanism with radial vibration is provided with the universal hinge, so that the connection between the crushing mechanism and the machine body is effectively controlled, the realization of the radial vibration of the crushing mechanism is ensured, and the coal rock crushing efficiency is improved.
4. The coal rock crushing mechanism with the radial vibration is simple in principle, reliable in structure and easy to realize, the dust amount generated in the coal rock cutting process can be effectively reduced, and the coal rock cutting efficiency is improved.
Drawings
FIG. 1 is a general view of a coal rock breaking mechanism with radial vibration according to the present invention;
FIG. 2 is a sectional view taken along the line A-A of the coal rock breaking mechanism with radial vibration according to the present invention;
fig. 3 is a sectional view along the direction B-B of the coal rock breaking mechanism with radial vibration provided by the utility model.
Reference numbers in the figures: 1-disc cutter; 2-a rotating shaft; 3-an inner box body; 4-an eccentric mass; 5-a flat bond; 6-a hydraulic motor; 7-universal hinge; 8-organism; 9-outer box body; 10-a ring spring device; 11-adjusting the bolt; 12-adjusting the ring block; 13-distance sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, a coal rock crushing mechanism with radial vibration comprises a disc cutter 1 for crushing coal rock, the disc cutter 1 is connected with a rotating shaft 2, the rotating shaft 2 is arranged in an inner box body 3, an eccentric block 4 is arranged in the inner box body 3, as shown in fig. 3, the eccentric block 4 is connected with the rotating shaft 2 through a flat key 5, the other end of the rotating shaft 2 is connected with a hydraulic motor 6, and the hydraulic motor 6 is arranged in the inner box body 3; the other end of the inner box body 3 is connected with one end of a universal hinge 7, the other end of the universal hinge 7 is connected with a machine body 8, the machine body 8 is connected with an outer box body 9, as shown in fig. 2, an annular spring device 10 is arranged in the outer box body 9, the annular spring device 10 is connected with the outer wall of the inner box body 3 through an adjusting bolt 11 and an adjusting ring block 12, the annular spring devices 10 are multiple, and a distance sleeve 13 is arranged between the adjacent annular spring devices 10 in the axial direction.
The utility model can realize the radial vibration of the disc mechanism to break the coal rock, reduce the abrasion of the disc cutter 1, prolong the service life of the disc cutter 1 and improve the coal rock breaking efficiency by more than 30 percent.
In the embodiment, the disc cutter 1 is arranged at one end of the rotating shaft 2, so that the disc cutter 1 rotates along with the rotating shaft 2 to crush coal rocks; the eccentric block 4 is connected with the rotating shaft 2 through a flat key 5, and the radial vibration of the disc cutter 1 is realized by using the inertia force of the eccentric block 4; the other end of the rotating shaft 2 is connected with a hydraulic motor 6, and power provided by the hydraulic motor 6 is used for providing a power source for radial vibration of the disc cutter 1; the other end of the inner box body 3 is connected with one end of a universal hinge 7, and the other end of the inner box body is connected with a machine body 8, so that the integral radial vibration of the crushing mechanism is realized.
In this embodiment, two pairs of ring springs 10 with the same shape are arranged in the outer box 9; the annular spring device 10 is connected with the outer wall of the inner box body 3 through an adjusting bolt 11 and an adjusting ring block 12, the radial vibration amplitude of the crushing mechanism is controlled, and the coal rock crushing quality and efficiency are improved; the annular spring device 10 is provided with a distance sleeve 13 between the axial directions, so that the annular spring device 10 is axially positioned.
Compared with the related art, the radial vibration coal rock crushing mechanism provided by the utility model has the following beneficial effects:
the coal rock crushing mechanism with the radial vibration is ingenious in structural design, the radial vibration of the disc cutter 1 is realized by utilizing the inertia force generated by the eccentric block 4 arranged on the rotating shaft 2, the traditional mode cutter for crushing the coal rock by axial vibration is changed, and the abrasion of the disc cutter 1 is reduced.
The coal rock crushing mechanism with the radial vibration is provided with the annular spring device 10, so that the radial vibration amplitude of the coal rock crushing mechanism can be effectively controlled, and the coal rock crushing quality and efficiency are improved.
The coal rock crushing mechanism with radial vibration is provided with the universal hinge 7, so that the connection between the crushing mechanism and the machine body 8 is effectively controlled, the realization of the radial vibration of the crushing mechanism is ensured, and the coal rock crushing efficiency is improved.
The coal rock crushing mechanism with the radial vibration is characterized in that the edge of the disc cutter head 1 is composed of sawteeth in the form of a cutter, the principle of the coal rock crushing mechanism with the radial vibration is simple, the structure is reliable, the implementation is easy, the dust amount generated in the coal rock cutting process can be effectively reduced, and the coal rock cutting efficiency is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (3)
1. A coal rock crushing mechanism with radial vibration is characterized by comprising a disc cutter for crushing coal rock, wherein the disc cutter is connected with a rotating shaft, the rotating shaft is arranged in an inner box body, an eccentric block is arranged in the inner box body and connected with the rotating shaft, the other end of the rotating shaft is connected with a hydraulic motor, and the hydraulic motor is arranged in the inner box body; the other end of the inner box body is connected with one end of a universal hinge, the other end of the universal hinge is connected with the machine body, the machine body is connected with the outer box body, an annular spring device is arranged in the outer box body, and the annular spring device is connected with the outer wall of the inner box body through an adjusting bolt and an adjusting ring block.
2. A coal rock breaking mechanism with radial vibration as claimed in claim 1, characterized in that the eccentric mass is connected with the rotating shaft by a flat key.
3. A coal rock breaking mechanism with radial vibration as claimed in claim 1, wherein the annular spring devices are multiple, and distance sleeves are arranged between adjacent annular spring devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122845924.XU CN216224676U (en) | 2021-11-19 | 2021-11-19 | Coal rock crushing mechanism with radial vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122845924.XU CN216224676U (en) | 2021-11-19 | 2021-11-19 | Coal rock crushing mechanism with radial vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216224676U true CN216224676U (en) | 2022-04-08 |
Family
ID=80946010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122845924.XU Active CN216224676U (en) | 2021-11-19 | 2021-11-19 | Coal rock crushing mechanism with radial vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216224676U (en) |
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2021
- 2021-11-19 CN CN202122845924.XU patent/CN216224676U/en active Active
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