CN220470543U - Damping device for coal mining machine for coal mine - Google Patents
Damping device for coal mining machine for coal mine Download PDFInfo
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- CN220470543U CN220470543U CN202321376255.9U CN202321376255U CN220470543U CN 220470543 U CN220470543 U CN 220470543U CN 202321376255 U CN202321376255 U CN 202321376255U CN 220470543 U CN220470543 U CN 220470543U
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- fixed
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- mining machine
- coal mining
- shell
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- 239000003245 coal Substances 0.000 title claims abstract description 75
- 238000005065 mining Methods 0.000 title claims abstract description 44
- 238000013016 damping Methods 0.000 title claims abstract description 23
- 230000001012 protector Effects 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 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
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a damping device for a coal mining machine for a coal mine, and relates to the technical field of damping of coal mining machines. The coal cutter comprises a coal cutter body, wherein both ends of the coal cutter body are respectively fixed with an organic arm, and one end of each organic arm is fixed with a coal cutter; the bottom of the coal mining machine body is fixedly provided with a buffer device; the buffer device comprises a shell, the shell is fixedly connected with the bottom of the coal mining machine body, a movable groove is formed in the bottom of the shell, and limit grooves are formed in two sides of the inner wall of the movable groove; a supporting rod is movably connected in the movable groove, and a supporting leg is fixed at one end of the supporting rod; one end of the supporting rod, which is far away from the supporting leg, is fixed with a buffer plate. According to the utility model, through the action of the buffer device, the buffer device is arranged between the coal cutter body and the supporting legs, the device can reduce the movement of the supporting legs driven by the vibration of the coal cutter body, avoid the deviation of the supporting legs from the track caused by the vibration, and prevent the occurrence of safety problems, thereby guaranteeing the safety of the coal cutter body.
Description
Technical Field
The utility model belongs to the technical field of damping of coal mining machines, and particularly relates to a damping device for a coal mining machine.
Background
If vibration is too large during underground working of the coal mining machine, the service lives of gears and bearings of a mechanical part are influenced, the connection of the whole machine and the looseness resistance of electric elements in an electric cabinet are influenced, and under the condition, vibration amplitude of the coal mining machine is relieved by installing damping equipment on the coal mining machine.
The utility model discloses a publication number is "CN213870912U", and the name is "damping antiskid of coal-winning machine" discloses a damping device for coal-winning machine, it is mainly through the shock mount that sets up, the backup pad, the connecting block, the connecting rod, the fixed sleeve, the buffer block, the second spring, first spring, dead lever and fixed plate, can play certain support and shock attenuation guard action in coal-winning machine work or removal in-process, reduce the impact that vibrations range and vibrations produced, make equipment keep stable, increase of service life, improve work efficiency, but the device is with structure such as mounting panel in organism both sides, in narrow and small coal-winning passageway, the device area is great, be inconvenient for the removal of organism.
Disclosure of Invention
The utility model aims to provide a damping device for a coal mining machine for a coal mine, which is provided with a damping device between a coal mining machine body and supporting legs through the action of the damping device, and can reduce the movement of the supporting legs driven by vibration of the coal mining machine body, avoid the deviation of the supporting legs from a track caused by vibration and prevent the occurrence of safety problems, thereby guaranteeing the safety of the coal mining machine body, and solving the problems that the existing mounting plate and other structures are arranged on two sides of a machine body, the occupied area of the device is large in a narrow coal mining channel, and the movement of the machine body is inconvenient.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the damping device for the coal mining machine for the coal mine comprises a coal mining machine body, wherein organic arms are fixed at two ends of the coal mining machine body, and a coal mining disc is fixed at one end of each of the organic arms;
a buffer device is fixed at the bottom of the coal cutter body;
the buffering device comprises a shell, the shell is fixedly connected with the bottom of the coal mining machine body, a movable groove is formed in the bottom of the shell, and limit grooves are formed in two sides of the inner wall of the movable groove;
a supporting rod is movably connected in the movable groove, and a supporting leg is fixed at one end of the supporting rod;
the supporting rod is kept away from supporting legs one end and is fixed with the buffer board, buffer board one end is fixed with a plurality of protectors, protector one end is fixed with the backup pad, backup pad and coal-winning machine body bottom contact.
The utility model is further provided with: limiting blocks are fixed on two sides of the supporting rod;
the limiting block is characterized in that a limiting plate is fixed at the bottom of the limiting block, and a protection groove is formed in one side of the limiting block.
The utility model is further provided with: a plurality of fixing rods are fixed in the protective groove, and the outer sides of the fixing rods are rotationally connected with protective blocks;
the protection piece is cylindrical structure, stopper and spacing groove sliding connection.
The utility model is further provided with: the protector comprises a protective shell, and a telescopic rod is fixed inside the protective shell;
the telescopic rod is characterized in that a spring is sleeved on the outer side of the telescopic rod, a connecting plate is fixed at one end of the spring, a connecting rod is fixed at one end of the connecting plate, and one end of the connecting rod is fixedly connected with the supporting plate.
The utility model is further provided with: sliding grooves are fixed on two sides of the inner wall of the shell, and sliding blocks are fixed on two sides of the buffer plate;
the sliding block is of a T-shaped structure, and the sliding groove is in sliding connection with the sliding block.
The utility model has the following beneficial effects:
1. according to the utility model, through the action of the buffer device, the buffer device is arranged between the coal cutter body and the supporting legs, the device can reduce the movement of the supporting legs driven by the vibration of the coal cutter body, avoid the deviation of the supporting legs from the track caused by the vibration, and prevent the occurrence of safety problems, thereby guaranteeing the safety of the coal cutter body.
2. According to the utility model, under the action of the protection block, the cylindrical protection block slides up and down in the limit groove, so that the sliding friction force between the support rod and the movable groove is changed into rolling friction force, the friction between the support rod and the movable groove is greatly reduced, the up and down movement of the protection block is more flexible, and the damping effect of the device is better.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a damping device for a coal mining machine.
FIG. 2 is a schematic diagram of a buffer device according to the present utility model.
Fig. 3 is a schematic view of the internal structure of the housing of the present utility model.
Fig. 4 is a schematic diagram of a buffer board structure according to the present utility model.
Fig. 5 is a schematic diagram of a side view structure of a supporting leg according to the present utility model.
Fig. 6 is an enlarged view of a portion of fig. 5 a in accordance with the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
the coal mining machine comprises a 1-coal mining machine body, a 2-arm, a 3-coal mining disc, a 4-buffer device, a 5-shell, a 6-movable groove, a 7-limit groove, an 8-support rod, a 9-support leg, a 10-buffer plate, an 11-protector, a 12-support plate, a 13-limit block, a 14-limit plate, a 15-protection groove, a 16-fixed rod, a 17-protection block, a 18-protection shell, a 19-telescopic rod, a 20-spring, a 21-connecting plate, a 22-connecting rod, a 23-sliding groove and a 24-sliding block.
Detailed Description
It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.
Example 1
Referring to fig. 1-6, the present utility model provides the following technical solutions:
the damping device for the coal mining machine for the coal mine comprises a coal mining machine body 1, wherein both ends of the coal mining machine body 1 are respectively fixed with an organic arm 2, and one end of the organic arm 2 is fixed with a coal mining disc 3; the bottom of the coal mining machine body 1 is fixedly provided with a buffer device 4; the buffer device 4 comprises a shell 5, the shell 5 is fixedly connected with the bottom of the coal mining machine body 1, a movable groove 6 is formed in the bottom of the shell 5, and limit grooves 7 are formed in two sides of the inner wall of the movable groove 6; a supporting rod 8 is movably connected in the movable groove 6, and a supporting foot 9 is fixed at one end of the supporting rod 8; a buffer plate 10 is fixed at one end of the support rod 8 far away from the support leg 9, a plurality of protectors 11 are fixed at one end of the buffer plate 10, a support plate 12 is fixed at one end of each protector 11, and the support plate 12 is contacted with the bottom of the coal mining machine body 1; when the coal cutter body 1 is in use, the coal cutter 3 generates stronger vibration when in work, the coal cutter body 1 vibrates along with the vibration, at the moment, the bottom of the coal cutter body 1 drives the shell 5 to vibrate, the supporting plate 12 in the shell 5 extrudes a plurality of protectors 11 at the bottom of the coal cutter body, the connecting rod 22 in the protectors 1 moves along with the protectors, the connecting plate 21 at one end of the protectors, at the moment, the springs 20 at the bottom of the connecting plate 21 generate acting force, so that the buffer plate 10 is kept stable, and the supporting rods 8 and the supporting legs 9 at the bottom of the buffer plate are kept stable.
Example two
Referring to fig. 2-6, the present utility model provides the following technical solutions based on the first embodiment:
limiting blocks 13 are fixed on two sides of the supporting rod 8; a limiting plate 14 is fixed at the bottom of the limiting block 13, and a protection groove 15 is formed on one side of the limiting block 13; a plurality of fixing rods 16 are fixed in the protection groove 15, and protection blocks 17 are rotatably connected to the outer sides of the fixing rods 16; the protection block 17 is of a cylindrical structure, and the limiting block 13 is in sliding connection with the limiting groove 7; the protector 11 comprises a protective shell 18, and a telescopic rod 19 is fixed inside the protective shell 18; the outer side of the telescopic rod 19 is sleeved with a spring 20, and one end of the spring 20 is fixed with a connecting plate 21; a connecting rod 22 is fixed at one end of the connecting plate 21, and one end of the connecting rod 22 is fixedly connected with the supporting plate 12; sliding grooves 23 are fixed on two sides of the inner wall of the shell 5, and sliding blocks 24 are fixed on two sides of the buffer plate 10; the sliding block 24 is of a T-shaped structure, and the sliding groove 23 is in sliding connection with the sliding block 24; when in use, the protection blocks 17 are fixed on the two sides of the support rod 8, when the support rod 8 moves up and down in the movable groove 6, the cylindrical protection blocks 17 slide up and down in the limit groove 7, so that the sliding friction force between the support rod 8 and the movable groove 6 is changed into rolling friction force, and the friction between the support rod 8 and the movable groove 6 is greatly reduced by the arrangement, so that the up and down movement of the device is more flexible, and the damping effect of the device is better.
The utility model provides a damping device for a coal mining machine for a coal mine, which has the following working principle: when the coal cutter body 1 is in use, the coal cutter 3 generates stronger vibration when in work, the coal cutter body 1 vibrates along with the vibration, at the moment, the bottom of the coal cutter body 1 drives the shell 5 to vibrate, the supporting plate 12 in the shell 5 extrudes a plurality of protectors 11 at the bottom of the coal cutter body, the connecting rod 22 in the protectors 1 moves along with the protectors, the connecting plate 21 at one end of the protectors, and at the moment, the spring 20 at the bottom of the connecting plate 21 generates acting force, so that the buffer plate 10 is kept stable, and the supporting rods 8 and the supporting legs 9 at the bottom of the buffer plate are kept stable; when the movable groove 6 is used, the protection blocks 17 are fixed on the two sides of the support rod 8, when the support rod 8 moves up and down in the movable groove 6, the cylindrical protection blocks 17 slide up and down in the limit groove 7, so that sliding friction force between the support rod 8 and the movable groove 6 is changed into rolling friction force, and friction between the support rod 8 and the movable groove 6 is greatly reduced through the arrangement.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The utility model provides a damping device for coal mining machine for coal mine, includes coal mining machine body (1), its characterized in that: the coal mining machine comprises a coal mining machine body (1), wherein both ends of the coal mining machine body are fixedly provided with an organic arm (2), and one end of the organic arm (2) is fixedly provided with a coal mining disc (3);
a buffer device (4) is fixed at the bottom of the coal cutter body (1);
the buffer device (4) comprises a shell (5), the shell (5) is fixedly connected with the bottom of the coal mining machine body (1), a movable groove (6) is formed in the bottom of the shell (5), and limit grooves (7) are formed in two sides of the inner wall of the movable groove (6);
a supporting rod (8) is movably connected in the movable groove (6), and a supporting foot (9) is fixed at one end of the supporting rod (8);
the supporting rod (8) is kept away from supporting legs (9) one end and is fixed with buffer board (10), buffer board (10) one end is fixed with a plurality of protectors (11), protector (11) one end is fixed with backup pad (12), backup pad (12) and coal-winning machine body (1) bottom contact.
2. The damping device for the coal mining machine of claim 1, wherein limiting blocks (13) are fixed on two sides of the supporting rod (8);
the bottom of the limiting block (13) is fixedly provided with a limiting plate (14), and one side of the limiting block (13) is provided with a protection groove (15).
3. The damping device for the coal mining machine of the coal mine according to claim 2, wherein a plurality of fixing rods (16) are fixed in the protection groove (15), and a protection block (17) is rotatably connected to the outer side of each fixing rod (16);
the protection block (17) is of a cylindrical structure, and the limiting block (13) is in sliding connection with the limiting groove (7).
4. The damping device for a coal mining machine according to claim 1, wherein the protector (11) comprises a protective shell (18), and a telescopic rod (19) is fixed inside the protective shell (18);
a spring (20) is sleeved on the outer side of the telescopic rod (19), and a connecting plate (21) is fixed at one end of the spring (20);
one end of the connecting plate (21) is fixedly provided with a connecting rod (22), and one end of the connecting rod (22) is fixedly connected with the supporting plate (12).
5. The damping device for the coal mining machine according to claim 1, wherein sliding grooves (23) are fixed on two sides of the inner wall of the shell (5), and sliding blocks (24) are fixed on two sides of the buffer plate (10);
the sliding block (24) is of a T-shaped structure, and the sliding groove (23) is in sliding connection with the sliding block (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321376255.9U CN220470543U (en) | 2023-05-31 | 2023-05-31 | Damping device for coal mining machine for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321376255.9U CN220470543U (en) | 2023-05-31 | 2023-05-31 | Damping device for coal mining machine for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470543U true CN220470543U (en) | 2024-02-09 |
Family
ID=89800278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321376255.9U Active CN220470543U (en) | 2023-05-31 | 2023-05-31 | Damping device for coal mining machine for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470543U (en) |
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2023
- 2023-05-31 CN CN202321376255.9U patent/CN220470543U/en active Active
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