CN216240624U - Multi-degree-of-freedom cantilever mechanism with cutting tool with rotating function - Google Patents
Multi-degree-of-freedom cantilever mechanism with cutting tool with rotating function Download PDFInfo
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- CN216240624U CN216240624U CN202122763660.3U CN202122763660U CN216240624U CN 216240624 U CN216240624 U CN 216240624U CN 202122763660 U CN202122763660 U CN 202122763660U CN 216240624 U CN216240624 U CN 216240624U
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- 239000003245 coal Substances 0.000 claims abstract description 35
- 239000011435 rock Substances 0.000 abstract description 32
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 abstract 3
- 230000005641 tunneling Effects 0.000 description 10
- 238000005065 mining Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 241000668854 Howardia biclavis Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
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Abstract
The utility model provides a multi-degree-of-freedom cantilever mechanism with a cutting tool with a rotating function, which comprises a combined cutting cutter head for crushing coal rocks, wherein the combined cutting cutter head is connected with a vibration exciter through a cutting shaft, the vibration exciter is hinged with a thrust hydraulic cylinder, four swing hydraulic cylinders are arranged on the thrust hydraulic cylinder, rod cavities of the swing hydraulic cylinders are connected with the vibration exciter, the rear end of the thrust hydraulic cylinder is connected with a rotary table, one end of the rotary table is provided with a supporting hydraulic cylinder, rod cavities of the supporting hydraulic cylinders are connected with the thrust hydraulic cylinder, and the rotary table is placed on a travelling mechanism. The utility model can realize that the cutting combined cutterhead swings and rotates to cut within 180 degrees, has simple principle, reliable structure and easy realization, can cut hard rock, is suitable for the fields of coal mine tunnel excavation, rock tunnel excavation and the like, and has the characteristics of high excavation efficiency, convenient maintenance and the like.
Description
Technical Field
The utility model relates to the field of excavating equipment, in particular to a multi-degree-of-freedom cantilever mechanism with a cutting tool with a rotating function.
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 mining machinery in China has a larger gap compared with developed countries. 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, it is necessary to develop a multi-degree-of-freedom cantilever mechanism suitable for a cutting cutter with a rotating function.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multi-degree-of-freedom cantilever mechanism with a cutting tool with a rotating function, which utilizes a vibration exciter to realize vibration crushing of coal rocks by a combined cutting cutterhead, utilizes a thrust hydraulic cylinder to realize horizontal crushing of coal rocks by the combined cutting cutterhead, utilizes a swing hydraulic cylinder to realize rotation cutting of the combined cutting cutterhead within a range of 180 degrees, and utilizes a rotary table to realize left-right swing cutting of the combined cutting cutterhead.
In order to achieve the purpose, the multi-degree-of-freedom cantilever mechanism with the cutting tool with the rotating function comprises a combined cutting cutter head for crushing coal rocks, the combined cutting cutter head is connected with a vibration exciter through a cutting shaft, the vibration exciter is hinged to a thrust hydraulic cylinder, four swing hydraulic cylinders are mounted on the thrust hydraulic cylinder, rod cavities of the swing hydraulic cylinders are connected with the vibration exciter, the rear end of the thrust hydraulic cylinder is connected with a rotary table, a supporting hydraulic cylinder is mounted at one end of the rotary table, the rod cavities of the supporting hydraulic cylinders are connected with the thrust hydraulic cylinder, and the rotary table is placed on a travelling mechanism.
Compared with the related art, the multi-degree-of-freedom cantilever of the cutting tool with the rotating function has the following beneficial effects:
1. the multi-degree-of-freedom cantilever mechanism with the cutting tool with the rotating function, provided by the utility model, is ingenious in structural design, and the vibration crushing of the combined cutting tool disc is realized by using the vibration exciter, so that the coal rock crushing efficiency is effectively improved.
2. According to the multi-degree-of-freedom cantilever mechanism with the cutting tool with the rotating function, the coal rock is cut in a mode that the combined cutting cutterhead rotates within the range of 180 degrees by utilizing the swing hydraulic cylinder, the coal rock cutting range is enlarged, and the coal rock crushing efficiency is effectively improved.
3. The multi-degree-of-freedom cantilever mechanism with the cutting tool with the rotating function provided by the utility model can realize that the coal rock is cut by the left and right swinging of the combined cutting cutterhead by utilizing the revolving platform, so that the tunneling efficiency of the cantilever machine is improved.
Drawings
Fig. 1 is a general view of a multi-degree-of-freedom cantilever mechanism with a cutting tool with a rotating function provided by the utility model.
Reference numbers in the figures: 1-combining a cutting cutterhead; 2-cutting shaft; 3-a vibration exciter; 4-a thrust hydraulic cylinder; 5-a swing hydraulic cylinder; 6-a rotary table; 7-supporting the hydraulic cylinder; 8-a traveling mechanism.
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 figure 1, the multi-degree-of-freedom cantilever mechanism with the cutting tool with the rotating function comprises a combined cutting cutter head 1 for crushing coal rocks, wherein the combined cutting cutter head 1 is connected with a vibration exciter 3 through a cutting shaft 2, the vibration exciter 3 is hinged with the front end of a thrust hydraulic cylinder 4, four swing hydraulic cylinders 5 are arranged on the thrust hydraulic cylinder 4, a rod cavity of each swing hydraulic cylinder 5 is connected with the vibration exciter 3, the rear end of each thrust hydraulic cylinder 4 is connected with a rotary table 6, one end of the rotary table 6 is provided with a supporting hydraulic cylinder 7, a rod cavity of each supporting hydraulic cylinder 7 is connected with the thrust hydraulic cylinder 4, the rotary table 6 is placed on a walking mechanism 8, the cutting combined cutter head 1 swings and rotates for cutting within 180 degrees, the mechanism is simple in principle, reliable in structure, easy to realize, can cut hard rocks, and is suitable for the fields of coal mine roadway tunneling, rock tunneling and the like, the method has the characteristics of high tunneling efficiency, convenience in maintenance and the like.
In the embodiment, the vibration exciter 3 can realize that the combined cutting cutterhead 1 vibrates to crush the coal rock, so that the coal rock crushing efficiency is effectively improved; the swing hydraulic cylinder 5 realizes that the combined cutting cutterhead 1 rotates to cut the coal rock within a range of 180 degrees, so that the cutting range of the coal rock is enlarged, and the crushing efficiency of the coal rock is effectively improved; the rotary table 6 can realize that the combined cutting cutterhead 1 can cut coal rocks by swinging left and right, and the tunneling efficiency of the cantilever machine is improved.
Compared with the related art, the multi-degree-of-freedom cantilever of the cutting tool with the rotating function has the following beneficial effects:
the multi-degree-of-freedom cantilever mechanism with the cutting tool with the rotating function, provided by the utility model, is ingenious in structural design, and the vibration of the combined cutting tool disc 1 is realized by using the vibration exciter 3 to crush coal rocks, so that the coal rock crushing efficiency is effectively improved.
According to the multi-degree-of-freedom cantilever mechanism with the cutting tool with the rotating function, the coal rock is cut in a mode that the combined cutting cutterhead 1 rotates within the range of 180 degrees by utilizing the swing hydraulic cylinder, the coal rock cutting range is enlarged, and the coal rock crushing efficiency is effectively improved.
The multi-degree-of-freedom cantilever mechanism with the cutting tool with the rotating function provided by the utility model can realize that the combined cutting tool disc 1 can swing left and right to cut coal rocks by utilizing the rotary table, so that the tunneling efficiency of the cantilever machine 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 (2)
1. The utility model provides a multi freedom cantilever mechanism with rotation function cutting tool, its characterized in that, combination cutting blade dish (1) including broken coal petrography, combination cutting blade dish (1) is connected with vibration exciter (3) through cutting shaft (2), vibration exciter (3) are articulated with thrust pneumatic cylinder (4), swing hydraulic cylinder (5) are equipped with on thrust pneumatic cylinder (4), swing hydraulic cylinder (5) have the pole chamber to be connected with vibration exciter (3), thrust pneumatic cylinder (4) rear end is connected with revolving platform (6), supporting hydraulic cylinder (7) are equipped with to revolving platform (6) one end, supporting hydraulic cylinder (7) have the pole chamber to be connected with thrust pneumatic cylinder (4), revolving platform (6) are placed on walking mechanism (8).
2. The multi-degree-of-freedom boom mechanism with cutting tools with rotating function according to claim 1, characterized in that four oscillating hydraulic cylinders (5) are mounted on the thrust hydraulic cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122763660.3U CN216240624U (en) | 2021-11-12 | 2021-11-12 | Multi-degree-of-freedom cantilever mechanism with cutting tool with rotating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122763660.3U CN216240624U (en) | 2021-11-12 | 2021-11-12 | Multi-degree-of-freedom cantilever mechanism with cutting tool with rotating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216240624U true CN216240624U (en) | 2022-04-08 |
Family
ID=80996367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122763660.3U Expired - Fee Related CN216240624U (en) | 2021-11-12 | 2021-11-12 | Multi-degree-of-freedom cantilever mechanism with cutting tool with rotating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216240624U (en) |
-
2021
- 2021-11-12 CN CN202122763660.3U patent/CN216240624U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220408 |