CN215520864U - Self-damping coal mining machine for coal mine - Google Patents
Self-damping coal mining machine for coal mine Download PDFInfo
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- CN215520864U CN215520864U CN202120703870.0U CN202120703870U CN215520864U CN 215520864 U CN215520864 U CN 215520864U CN 202120703870 U CN202120703870 U CN 202120703870U CN 215520864 U CN215520864 U CN 215520864U
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Abstract
A self-damping coal mining machine for coal mines comprises a coal mining machine main body, supporting legs, mounting grooves, supporting rods, main damping springs and a base. The bottom of coal-winning machine main part is equipped with the supporting leg, and the bottom of supporting leg is equipped with the removal bottom plate, and the top of removing the bottom plate is equipped with mounting groove, removes the bottom plate and wears to be equipped with the bracing piece through the activity of installation through-hole, and the top of bracing piece upwards extends to wear to locate mounting groove's inside, the bottom downwardly extending of bracing piece, and be connected with unable adjustment base. The upper part of the supporting rod is sleeved with an upper damping sleeve plate, and the bottom end of the supporting rod is sleeved with a lower damping sleeve plate. The main damping spring is sleeved on the supporting rod between the upper damping sleeve plate and the lower damping sleeve plate. Folding connecting rods are respectively arranged between the two ends of the upper damping sleeve plate and the lower damping sleeve plate, and auxiliary damping springs are arranged at the bending positions of the folding connecting rods. The self-damping coal mining machine for the coal mine has the advantages of reasonable design and beneficial damping effect, can effectively reduce the vibration of the whole machine, and is beneficial to the normal operation of equipment.
Description
Technical Field
The utility model relates to a coal mining machine, in particular to a self-damping coal mining machine for a coal mine.
Background
The coal mining machine is one of important equipment for realizing mechanization and modernization of coal mine production, the mechanical coal mining can reduce physical labor, improve safety and achieve the purposes of high yield, high efficiency and low consumption, when the coal mining machine cuts coal underground, particularly cuts coal or rocks with high coal hardness, the coal mining machine can generate great vibration, the vibration force is mainly transmitted to a rocker arm by a coal mining disc of the coal mining machine, the rocker arm is hinged with the machine body so as to transmit the vibration to the whole machine, and if the vibration is too large when the coal mining machine works underground, the service lives of gears and bearings of the mechanical part can be influenced. Therefore, the self-damping coal mining machine for coal mines is provided by the technical personnel in the field so as to solve the technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide the self-damping coal mining machine for the coal mine, which has the advantages of reasonable design and beneficial damping effect, can effectively reduce the vibration of the whole machine and is beneficial to the normal operation of equipment.
The utility model discloses a self-damping coal mining machine for a coal mine. The bottom of coal-winning machine main part be provided with the supporting leg, the bottom of supporting leg is provided with removes the bottom plate, remove the top of bottom plate, the bottom of supporting leg promptly is provided with mounting groove, it wears to be equipped with the bracing piece through the installation through-hole activity to remove the bottom plate, the top of bracing piece upwards extends to wear to locate mounting groove's inside, the bottom downwardly extending of bracing piece is connected with unable adjustment base. The damping device is characterized in that an upper damping sleeve plate is movably sleeved below the movable bottom plate, namely the upper part of the supporting rod, and a lower damping sleeve plate is movably sleeved above the fixed base, namely the bottom end of the supporting rod. The damping device is characterized in that a main damping spring is sleeved on the supporting rod between the upper damping sleeve plate and the lower damping sleeve plate, and two ends of the main damping spring are respectively abutted against the upper damping sleeve plate and the lower damping sleeve plate so that the two sleeve plates are respectively abutted against the movable bottom plate and the fixed base. The damping device is characterized in that folding connecting rods are respectively arranged between two ends of the upper damping sleeve plate and the lower damping sleeve plate, each folding connecting rod is of a structure that the two connecting rods are mutually hinged, an auxiliary damping spring is arranged at the bending part of each folding connecting rod, one end of each auxiliary damping spring is hinged to one connecting rod of each folding connecting rod, and the other end of each auxiliary damping spring is hinged to the other connecting rod of each folding connecting rod.
Furthermore, the inside activity of mounting groove be provided with the limiting plate, the limiting plate is fixed in the top of bracing piece.
Furthermore, be provided with the yielding rubber cover on the surface of limiting plate, the inner wall of mounting groove on be provided with yielding rubber cover matched with yielding rubber layer.
Furthermore, a damping rubber pad is arranged between the movable bottom plate and the upper damping sleeve plate.
The self-damping coal mining machine for the coal mine has the advantages of reasonable design and beneficial damping effect, can effectively reduce the vibration of the whole machine, and is beneficial to the normal operation of equipment.
Drawings
Fig. 1 is a schematic structural diagram of a self-damping coal mining machine for coal mines, which is disclosed by the utility model.
FIG. 2 is a cross-sectional view of a support leg according to the present invention.
Fig. 3 is an enlarged schematic view of the part a according to the present invention.
1-coal mining machine main body 2-supporting leg 3-moving bottom plate 4-damping rubber layer 5-mounting groove 6-unable adjustment base 7-main damping spring 8-vice damping spring 9-upper damping sleeve plate 9-1-lower damping sleeve plate 11-limiting plate 12-folding connecting rod 13-damping rubber pad.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring now to the drawings in the specification, in conjunction with specific embodiments, there is illustrated the following: the utility model discloses a self-damping coal mining machine for coal mines, which comprises a coal mining machine main body 1, supporting legs 2, mounting grooves 5, supporting rods 10, main damping springs 7 and a base 6. The bottom of coal-winning machine main part 1 be provided with supporting leg 2, the bottom of supporting leg 2 is provided with removes bottom plate 3, the top of removing bottom plate 3, it is that the bottom of supporting leg 2 is provided with mounting groove 5 promptly, it wears to be equipped with bracing piece 10 through the activity of installation through-hole to remove bottom plate 3, the top of bracing piece 10 upwards extends to wear to locate mounting groove 5's inside, the bottom downwardly extending of bracing piece 10 is connected with unable adjustment base 6. An upper damping sleeve plate 9 is movably sleeved below the movable bottom plate 3, namely on the upper part of the supporting rod 10, and a lower damping sleeve plate 9-1 is movably sleeved above the fixed base 6, namely on the bottom end of the supporting rod 10. The supporting rod 10 between the upper damping sleeve plate 9 and the lower damping sleeve plate 9-1 is sleeved with a main damping spring 7, and two ends of the main damping spring 7 are respectively abutted against the upper damping sleeve plate 9 and the lower damping sleeve plate 9-1, so that the two sleeve plates are respectively abutted against the movable bottom plate 3 and the fixed base 6. Folding connecting rods 12 are respectively arranged between two ends of the upper damping sleeve plate 9 and the lower damping sleeve plate 9-1, the folding connecting rods 12 are of a structure that two connecting rods are hinged to each other, auxiliary damping springs 8 are arranged at the bending positions of the folding connecting rods 12, one ends of the auxiliary damping springs 8 are hinged to one connecting rod of the folding connecting rods 12, and the other ends of the auxiliary damping springs are hinged to the other connecting rod of the folding connecting rods 12.
Furthermore, a limiting plate 11 is movably arranged inside the mounting groove 5, and the limiting plate 11 is fixed at the top end of the support rod 10.
Further, be provided with the yielding rubber cover on the surface of limiting plate 11, the inner wall of mounting groove 5 on be provided with yielding rubber cover matched with yielding rubber layer 4.
Further, a damping rubber pad 13 is arranged between the movable bottom plate 3 and the upper damping sleeve plate 9.
The working principle and the using process of the utility model are as follows: when the coal mining machine main body 1 works to generate vibration, the coal mining machine main body 1 and the supporting legs 2 move downwards, the limiting plates 11 move downwards along with the supporting legs 2 when the supporting legs move downwards, friction can be increased by the aid of rubber sleeves outside the limiting plates 11 and the rubber layers 4 on the inner walls of the mounting grooves 5, and therefore a part of vibration force is consumed. Meanwhile, the movable plate 3 at the bottom end of the supporting leg 2 downwards extrudes the upper damping sleeve plate 9, the upper damping sleeve plate 9 downwards moves and extrudes the main damping spring 7, meanwhile, the folding connecting rods 12 on the upper damping sleeve plate 9 and the lower damping sleeve plate 9-4 are folded and extrude the auxiliary damping spring 8, and part of vibration force is consumed under the action of the two damping springs, so that vibration generated when the machine body works can be reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (4)
1. The utility model provides a coal mine is with from shock attenuation formula coal-winning machine, includes coal-winning machine main part (1), supporting leg (2), mounting groove (5), bracing piece (10), main damping spring (7) and base (6), its characterized in that: the bottom of the coal mining machine main body (1) is provided with supporting legs (2), the bottom ends of the supporting legs (2) are provided with movable bottom plates (3), mounting grooves (5) are formed above the movable bottom plates (3), namely the bottom of the supporting legs (2), supporting rods (10) are movably arranged on the movable bottom plates (3) in a penetrating mode through mounting through holes, the top ends of the supporting rods (10) extend upwards and penetrate through the mounting grooves (5), and the bottom ends of the supporting rods (10) extend downwards and are connected with fixed bases (6); an upper damping sleeve plate (9) is movably sleeved below the movable bottom plate (3), namely on the upper part of the supporting rod (10), and a lower damping sleeve plate (9-1) is movably sleeved above the fixed base (6), namely on the bottom end of the supporting rod (10); a main damping spring (7) is sleeved on a support rod (10) between the upper damping sleeve plate (9) and the lower damping sleeve plate (9-1), and two ends of the main damping spring (7) are respectively abutted against the upper damping sleeve plate (9) and the lower damping sleeve plate (9-1) so as to enable the two sleeve plates to respectively abut against the movable bottom plate (3) and the fixed base (6); the damping device is characterized in that folding connecting rods (12) are respectively arranged between two ends of the upper damping sleeve plate (9) and the lower damping sleeve plate (9-1), each folding connecting rod (12) is of a structure that the two connecting rods are mutually hinged, an auxiliary damping spring (8) is arranged at the bending position of each folding connecting rod (12), one end of each auxiliary damping spring (8) is hinged to one connecting rod of each folding connecting rod (12), and the other end of each auxiliary damping spring is hinged to the other connecting rod of each folding connecting rod (12).
2. The self-damping coal mining machine for coal mines according to claim 1, wherein: the mounting groove (5) is movably provided with a limiting plate (11), and the limiting plate (11) is fixed at the top end of the supporting rod (10).
3. The self-damping coal mining machine for coal mines as set forth in claim 2, wherein:
the damping rubber sleeve is arranged on the outer surface of the limiting plate (11), and a damping rubber layer (4) matched with the damping rubber sleeve is arranged on the inner wall of the mounting groove (5).
4. The self-damping coal mining machine for coal mines according to claim 1, wherein: and a damping rubber pad (13) is arranged between the movable bottom plate (3) and the upper damping sleeve plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120703870.0U CN215520864U (en) | 2021-04-07 | 2021-04-07 | Self-damping coal mining machine for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120703870.0U CN215520864U (en) | 2021-04-07 | 2021-04-07 | Self-damping coal mining machine for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215520864U true CN215520864U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120703870.0U Active CN215520864U (en) | 2021-04-07 | 2021-04-07 | Self-damping coal mining machine for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215520864U (en) |
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2021
- 2021-04-07 CN CN202120703870.0U patent/CN215520864U/en active Active
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