CN214403570U - Coal mining machine drill bit convenient to replace - Google Patents
Coal mining machine drill bit convenient to replace Download PDFInfo
- Publication number
- CN214403570U CN214403570U CN202120293914.7U CN202120293914U CN214403570U CN 214403570 U CN214403570 U CN 214403570U CN 202120293914 U CN202120293914 U CN 202120293914U CN 214403570 U CN214403570 U CN 214403570U
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- Prior art keywords
- drill bit
- limiting plate
- spring
- fixedly connected
- groove
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- 239000003245 coal Substances 0.000 title claims description 23
- 238000005065 mining Methods 0.000 title claims description 19
- 230000008859 change Effects 0.000 claims abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a coal-winning machine drill bit of convenient change, including adapter sleeve and drill bit body, first recess has been seted up on the right side of adapter sleeve inner chamber, the first spring of right side fixedly connected with of first recess inner chamber, the first limiting plate of left side fixedly connected with of first spring, the left side fixedly connected with locating piece of first limiting plate, the inner chamber swing joint of adapter sleeve has the connecting axle, and the constant head tank has been seted up on the right side of connecting axle, and the top fixedly connected with of connecting axle connects the shell, and the inner chamber of connecting the shell is provided with the second spring. The utility model discloses a cooperation that sets up adapter sleeve, first spring, first recess, first limiting plate, second recess, locating piece, connecting axle, drill bit body, constant head tank, locating lever, connection shell, second spring, second limiting plate and locating hole is used, has solved the problem that current coal-winning machine drill bit is not convenient for change and use cost is high, and this coal-winning machine drill bit possesses the advantage that is convenient for change and can reduce use cost.
Description
Technical Field
The utility model relates to a coal-winning machine technical field specifically is a coal-winning machine drill bit of convenient change.
Background
A coal mining machine is one of main devices of fully mechanized mining complete equipment. Shearers have evolved from coal cutters. The coal mining machine is a large complex system integrating machinery, electricity and hydraulic pressure, the working environment is severe, the whole coal mining work can be interrupted if a fault occurs, huge economic loss is caused, and the coal mining machine is one of important devices for realizing mechanization and modernization of coal mine production. The mechanized coal mining can reduce the physical labor, improve the safety and achieve the purposes of high yield, high efficiency and low consumption.
In the process of collecting coal mines, a coal mining machine is required, a drill bit of the coal mining machine is an important component of the coal mining machine, and when the existing coal mining machine drill bit and the coal mining machine are installed together, a bolt fixing mode is adopted, so that the coal mining machine drill bit is inconvenient to replace, the existing coal mining machine drill bit is easy to wear, and if the whole drill bit is replaced, the use cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal-winning machine drill bit of convenient change possesses the advantage of being convenient for change and can reduce use cost, has solved the problem that current coal-winning machine drill bit is not convenient for change and use cost is high.
In order to achieve the above object, the utility model provides a following technical scheme: a coal cutter drill bit convenient to replace comprises a connecting sleeve and a drill bit body, wherein a first groove is formed in the right side of an inner cavity of the connecting sleeve, the right side of the inner cavity of the first groove is fixedly connected with a first spring, the left side of the first spring is fixedly connected with a first limit plate, the left side of the first limit plate is fixedly connected with a locating block, the inner cavity of the connecting sleeve is movably connected with a connecting shaft, a positioning groove is arranged on the right side of the connecting shaft, a connecting shell is fixedly connected with the top of the connecting shaft, a second spring is arranged in the inner cavity of the connecting shell, both sides of the second spring are fixedly connected with second limiting plates, a positioning rod is fixedly connected to one side of the second limiting plate away from the second spring, a second groove is formed in the bottom of the drill bit body, locating holes are formed in the two sides of the second groove, and one side, away from the second limiting plate, of the locating rod penetrates through the connecting shell and extends to the inner cavity of the locating hole.
Preferably, the positioning block is matched with the positioning groove, and the outer surface of the first limiting plate is connected with the inner wall of the first groove in a sliding mode.
Preferably, the outer surface of the second limiting plate is connected with the connecting shell in a sliding mode, and the connecting shell is located in the inner cavity of the second groove.
Preferably, the through holes are formed in the two sides of the connecting shell, and the positioning rod is matched with the through holes for use.
Preferably, the bottom of the drill bit body is in contact with the connecting sleeve, and the top of the connecting shell is rectangular.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a cooperation that sets up adapter sleeve, first spring, first recess, first limiting plate, second recess, locating piece, connecting axle, drill bit body, constant head tank, locating lever, connection shell, second spring, second limiting plate and locating hole is used, has solved the problem that current coal-winning machine drill bit is not convenient for change and use cost is high, and this coal-winning machine drill bit possesses the advantage that is convenient for change and can reduce use cost, is worth promoting.
2. The utility model is convenient for the installation and use of the internal structure by arranging the first groove;
through setting up the second recess, the structure of the inside of being convenient for is installed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a front sectional view of the connecting sleeve of the present invention;
FIG. 3 is a first cross-sectional front view of the partial drill of the present invention;
fig. 4 is a front sectional view of the partial drill of the present invention.
In the figure: the drill bit comprises a connecting sleeve 1, a first spring 2, a first groove 3, a first limiting plate 4, a second groove 5, a positioning block 6, a connecting shaft 7, a drill bit body 8, a positioning groove 9, a positioning rod 10, a connecting shell 11, a second spring 12, a second limiting plate 13 and a positioning hole 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a parts such as adapter sleeve 1, first spring 2, first recess 3, first limiting plate 4, second recess 5, locating piece 6, connecting axle 7, drill bit body 8, constant head tank 9, locating lever 10, connect shell 11, second spring 12, second limiting plate 13 and locating hole 14 are general standard or the parts that technical personnel in the field know, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for technical personnel in the field.
Referring to fig. 1-4, a coal cutter drill bit convenient for replacement comprises a connecting sleeve 1 and a drill bit body 8, wherein a first groove 3 is formed on the right side of an inner cavity of the connecting sleeve 1, a first spring 2 is fixedly connected to the right side of the inner cavity of the first groove 3, a first limiting plate 4 is fixedly connected to the left side of the first spring 2, a positioning block 6 is fixedly connected to the left side of the first limiting plate 4, a connecting shaft 7 is movably connected to the inner cavity of the connecting sleeve 1, a positioning groove 9 is formed on the right side of the connecting shaft 7, a connecting shell 11 is fixedly connected to the top of the connecting shaft 7, a second spring 12 is arranged in the inner cavity of the connecting shell 11, second limiting plates 13 are fixedly connected to both sides of the second spring 12, a positioning rod 10 is fixedly connected to one side of the second limiting plate 13, which is far away from the second spring 12, a second groove 5 is formed in the bottom of the drill bit body 8, and positioning holes 14 are formed in both sides of the second groove 5, one side of the positioning rod 10, which is far away from the second limiting plate 13, penetrates through the connecting shell 11 and extends to the inner cavity of the positioning hole 14;
the positioning block 6 is matched with the positioning groove 9, and the outer surface of the first limiting plate 4 is connected with the inner wall of the first groove 3 in a sliding manner;
the outer surface of the second limiting plate 13 is connected with the connecting part of the connecting shell 11 in a sliding manner, and the connecting shell 11 is positioned in the inner cavity of the second groove 5;
through holes are formed in both sides of the connecting shell 11, and the positioning rod 10 is matched with the through holes for use;
the bottom of the drill bit body 8 is in contact with the connecting sleeve 1, and the top of the connecting shell 11 is rectangular;
the first groove 3 is arranged, so that the internal structure can be conveniently installed and used;
by providing the second groove 5, the internal structure of the device is facilitated to be mounted.
When the drill bit is used, the drill bit is arranged in the inner cavity of the connecting sleeve 1 by using the connecting shaft 7, after the position of the positioning groove 9 corresponds to the positioning block 6, the elastic force of the first spring 2 pushes the first limiting plate 4 to move, the first limiting plate 4 limits the positioning block 6 in the inner cavity of the positioning groove 9, the phenomenon that the connecting shaft 7 falls off is avoided, when the drill bit body 8 is excessively worn, a user presses the positioning rod 10 to the inner cavity of the through hole, the used drill bit body 8 can be detached, when a new drill bit body 8 needs to be arranged, the user also presses the positioning rod 10 to the inner cavity of the through hole, the new drill bit body 8 is sleeved on the surface of the connecting shell 11 by using the second groove 5, the elastic force of the second spring 12 pushes the second limiting plate 13 to reset, the second limiting plate 13 drives the positioning rod 10 to enter the inner cavity of the positioning hole 14, so as to fix the drill bit body 8, is convenient for subsequent use.
In summary, the following steps: this coal-winning machine drill bit of convenient change uses through the cooperation that sets up adapter sleeve 1, first spring 2, first recess 3, first limiting plate 4, second recess 5, locating piece 6, connecting axle 7, drill bit body 8, constant head tank 9, locating lever 10, connecting shell 11, second spring 12, second limiting plate 13 and locating hole 14, has solved current coal-winning machine drill bit and has not been convenient for change and problem that use cost is high.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a coal-winning machine drill bit of convenient change, includes adapter sleeve (1) and drill bit body (8), its characterized in that: the drill bit is characterized in that a first groove (3) is formed in the right side of an inner cavity of the connecting sleeve (1), a first spring (2) is fixedly connected to the right side of the inner cavity of the first groove (3), a first limiting plate (4) is fixedly connected to the left side of the first spring (2), a positioning block (6) is fixedly connected to the left side of the first limiting plate (4), a connecting shaft (7) is movably connected to the inner cavity of the connecting sleeve (1), a positioning groove (9) is formed in the right side of the connecting shaft (7), a connecting shell (11) is fixedly connected to the top of the connecting shaft (7), a second spring (12) is arranged in the inner cavity of the connecting shell (11), second limiting plates (13) are fixedly connected to two sides of the second spring (12), a positioning rod (10) is fixedly connected to one side, far away from the second spring (12), of each second limiting plate (13), and a second groove (5) is formed in the bottom of the drill bit body (8), locating hole (14) have all been seted up to the both sides of second recess (5), one side that second limiting plate (13) was kept away from in locating lever (10) runs through connecting shell (11) and extends to the inner chamber of locating hole (14).
2. The coal mining machine drill bit convenient to replace according to claim 1, is characterized in that: the positioning block (6) and the positioning groove (9) are matched for use, and the outer surface of the first limiting plate (4) is connected with the inner wall of the first groove (3) in a sliding mode.
3. The coal mining machine drill bit convenient to replace according to claim 1, is characterized in that: the outer surface of the second limiting plate (13) is in sliding connection with the connecting position of the connecting shell (11), and the connecting shell (11) is located in the inner cavity of the second groove (5).
4. The coal mining machine drill bit convenient to replace according to claim 1, is characterized in that: the connecting shell (11) is provided with through holes on two sides, and the positioning rod (10) is matched with the through holes for use.
5. The coal mining machine drill bit convenient to replace according to claim 1, is characterized in that: the bottom of the drill bit body (8) is in contact with the connecting sleeve (1), and the top of the connecting shell (11) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120293914.7U CN214403570U (en) | 2021-02-02 | 2021-02-02 | Coal mining machine drill bit convenient to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120293914.7U CN214403570U (en) | 2021-02-02 | 2021-02-02 | Coal mining machine drill bit convenient to replace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214403570U true CN214403570U (en) | 2021-10-15 |
Family
ID=78020201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120293914.7U Expired - Fee Related CN214403570U (en) | 2021-02-02 | 2021-02-02 | Coal mining machine drill bit convenient to replace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214403570U (en) |
-
2021
- 2021-02-02 CN CN202120293914.7U patent/CN214403570U/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: 20211015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |