CN219711507U - Environment-friendly coal mining machine rocker arm wear-resistant structure - Google Patents
Environment-friendly coal mining machine rocker arm wear-resistant structure Download PDFInfo
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- CN219711507U CN219711507U CN202321346045.5U CN202321346045U CN219711507U CN 219711507 U CN219711507 U CN 219711507U CN 202321346045 U CN202321346045 U CN 202321346045U CN 219711507 U CN219711507 U CN 219711507U
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- Prior art keywords
- wear
- rocker arm
- shaft
- fastening bolt
- cooling nozzle
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- 239000003245 coal Substances 0.000 title claims abstract description 59
- 238000005065 mining Methods 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 45
- 238000005299 abrasion Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The utility model relates to an environment-friendly wear-resistant structure for a rocker arm of a coal mining machine, and belongs to the technical field of wear-resistant structures. The device mainly comprises a rocker arm, a first shaft, a second shaft, a cutting roller, a wear-resisting plate, a cooling nozzle and a wear-resisting component, wherein the first shaft and the second shaft are rotatably arranged on the rocker arm, the cutting roller is arranged at the end part of the rocker arm, the wear-resisting plate for preventing the first shaft and the second shaft from being worn is detachably arranged on the surface of the rocker arm through screws, the cooling nozzle is arranged at the top end of the rocker arm, and the wear-resisting component is arranged at one side of the cooling nozzle; the cooling nozzles are separated by the wear-resistant component, and the wear-resistant component is higher than the cooling nozzles, so that the wear between the rocker arm, the cooling nozzles and the coal mine is reduced, the service life is prolonged, the maintenance cost is reduced, the wear-resistant plate is arranged between the first shaft and the second shaft and is provided with an arc surface, the wear of the coal mine to the first shaft and the second shaft can be reduced through the arc surface contact, the wear-resistant plate is a metal piece, the rigidity is high, the acting force with high strength can be born, and the wear-resistant cooling nozzle is not damaged after long-time use.
Description
Technical Field
The utility model belongs to the technical field of wear-resistant structures, and particularly relates to an environment-friendly coal mining machine rocker arm wear-resistant structure.
Background
When the coal mining machine works, the rocker arm and the roller move along the coal wall, the cutting tool cuts into the coal body under the action of machine traction force, coal is broken down from the coal body by utilizing the torque generated by the rotation of the roller, the coal mining machine continuously moves, the cutting roller continuously rotates, the coal is continuously cut off from the coal wall and falls on the scraper conveyor at the bottom of the coal mining machine, and the scraper conveyor conveys the cut coal out.
Because the coal blocks cut by the cutting roller frequently strike on the rocker arm, larger friction is generated on the surface of the rocker arm and the cooling nozzle for radiating the inside of the rocker arm, obvious abrasion is easy to occur on the contact surface of the coal mine and the rocker arm, so that the service life of the cooling nozzle is short, and the maintenance cost is high.
Disclosure of Invention
In order to overcome the problems that coal blocks cut by a cutting roller frequently collide on a rocker arm, obvious abrasion is easy to occur on the contact surface of a coal mine and the rocker arm, so that the service life of a cooling nozzle is short and the maintenance cost is high, the utility model provides an environment-friendly coal mining machine rocker arm abrasion-proof structure; according to the utility model, the wear-resistant components are arranged between the cooling nozzles to separate the cooling nozzles and are higher than the cooling nozzles, so that the wear among the rocker arm, the cooling nozzles and the coal mine is reduced, the service life is prolonged, the maintenance cost is reduced, and the wear-resistant plates are provided with cambered surfaces, so that the wear of the coal mine to the one-axis and two-axis can be reduced through the contact of the cambered surfaces.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an environmental protection coal-winning machine rocking arm abrasionproof decreases structure mainly includes rocking arm, a spool, diaxon, cutting drum, antifriction plate, cooling nozzle, wear-resisting subassembly, a spool and diaxon rotatable mounting on the rocking arm, cutting drum installs in the rocking arm tip for prevent that a spool, diaxon wearing and tearing antifriction plate pass through screw demountable installation at the rocking arm surface, cooling nozzle installs on the rocking arm top, wear-resisting subassembly installs in cooling nozzle one side, wear-resisting subassembly include fastening bolt, six arriss section, wearing and tearing board, tapered block, hex nut, the rocking arm inside of being close to cooling nozzle one side has seted up the counter bore, fastening bolt installs in the counter bore inside, six arriss section and fastening bolt connection install on the recess of counter bore, wearing and tearing board demountable installation is located the counter bore directly over, the taper hole that sets up on the wearing and tearing board is run through to the fastening bolt, the tapered block is installed in the taper bore and fastening bolt fixed connection, hex nut is installed on tapered block top and fastening bolt connection.
The six-edge section is arranged on the groove of the counter bore, the diameter of the six-edge section is smaller than that of the groove, and the height of the six-edge section is slightly lower than that of the groove.
The wear-resisting component evenly is provided with 4 groups, and the wear-resisting component surrounds the cooling nozzle bag inside.
The fastening bolt is flush with the wear plate and is positioned on the same horizontal plane.
The utility model has the beneficial effects that:
the utility model is that
The utility model sets up the wear-resisting assembly to separate it between cooling nozzle, is higher than the cooling nozzle at the same time, can reduce the coal briquette to the surface of rocker arm and friction of cooling nozzle when the rocker arm moves, thus has reduced the wearing and tearing between rocker arm, cooling nozzle and colliery, has improved the life, has reduced the maintenance cost, there are wear-resisting plates between axle one and two, the wear-resisting plate has cambered surfaces, through the cambered surface contacts, can reduce the wearing and tearing of colliery to axle one and two, the wear-resisting plate is the metal piece, the rigidity is high, can bear the effort of high strength, will not damage for a long time use.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a top view of the present utility model.
Fig. 3 is a schematic partial cross-section of the present utility model.
Fig. 4 is a partial enlarged view at a in fig. 3.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.
The utility model discloses an environment-friendly coal mining machine rocker arm wear-resistant structure which mainly comprises a rocker arm 1, a first shaft 2, a second shaft 3, a cutting roller 4, a wear-resistant plate 5, a cooling nozzle 6 and a wear-resistant component 7, wherein the first shaft 2 and the second shaft 3 are rotatably arranged on the rocker arm 1, the cutting roller 4 is arranged at the end part of the rocker arm 1, the wear-resistant plate 5 for preventing the wear of the first shaft 2 and the second shaft 3 is detachably arranged on the surface of the rocker arm 1 through screws, the cooling nozzle 6 is arranged at the top end of the rocker arm 1, the wear-resistant component 7 is arranged at one side of the cooling nozzle 6, the wear-resistant component 7 comprises a fastening bolt 71, a hexagonal section 72, a wear-resistant plate 73, a conical block 74 and a hexagonal nut 75, a countersunk hole 11 is formed in the rocker arm 1 near one side of the cooling nozzle 6, the fastening bolt 71 is arranged in the countersunk hole 11, the hexagonal section 72 is connected with the fastening bolt 71 and is arranged on the groove 111 of the countersunk hole 11, the wear-resistant plate 73 is detachably arranged on the rocker arm 1 and is positioned right above the countersunk hole 11, the fastening bolt 71 penetrates through the hexagonal block 74 and is fixedly connected with the conical block 731 in the conical block 74.
As shown in fig. 4, in the specific implementation process, when the coal mining machine works, the fastening bolt 71 is twisted to the countersunk head hole 11, the six-edge section 72 is connected with the fastening bolt 71 and installed on the groove 111, the wear plate 73 passes through the fastening bolt 71 and is installed on the upper surface of the rocker arm 1, the conical block 74 is tightly pressed on the conical hole 731 to limit and clamp the wear plate 73, finally, the hexagonal nut 75 is twisted to the fastening bolt 71 to fixedly lock the conical block 74 and the wear plate 73, the rocker arm 1 and the cutting roller 4 move along with the coal wall along with the machine body, the cutting cutter cuts into the coal body under the action of machine traction force, the continuous movement of the coal mining machine and the continuous rotation of the cutting roller 4 are utilized, so that the continuous coal cutting is cut off from the coal wall, the wear plate 73 separates the cooling nozzle 6, and is higher than the cooling nozzle 6, the friction of the coal block on the surface of the rocker arm 1 and the cooling nozzle 6 when the rocker arm 1 moves can be reduced, the friction between the cooling nozzle 6 and the coal mine is reduced, the service life is prolonged, the cutter is moved along with the coal wall along with the hexagon nut 1, the cutting roller 4 moves along with the coal wall, the cutter is cut into the six-edge section 75, the wear-resistant nut is also required to be replaced by the nut 75, and the wear-resistant nut is required to be replaced, and the cutter is replaced, namely, the cutter is provided with the cutter 75, and the cutter is provided with the special nut, and the cutter is required to be replaced, and the cutter.
As shown in fig. 4, the hexagonal section 72 is mounted on the groove 111 of the counter bore 11, the diameter of the hexagonal section 72 is smaller than the diameter of the groove 111, the height is slightly lower than the diameter of the groove 111, the wear plate 73, the hexagonal nut 75 and the conical block 74 are separated after the coal mining machine is used for a long time, the hexagonal section 72 and the fastening bolt 71 are directly taken out by using tools conveniently, the wear-resisting component 7 is replaced when the tool is used again, the operation is simple, and the maintenance and the replacement are quick.
As shown in fig. 2, the wear-resistant components 7 are uniformly provided with 4 groups, the wear-resistant components 7 surround the cooling nozzles 6 inside, and are higher than the cooling nozzles 6, so that friction of coal blocks on the surface of the rocker arm 1 and the cooling nozzles 6 when the rocker arm 1 moves can be reduced, abrasion among the rocker arm 1, the cooling nozzles 6 and a coal mine is reduced, the service life is prolonged, and the maintenance cost is reduced.
The fastening bolt 71 is flush with the wear plate 73 and is positioned on the same horizontal plane, so that the blocking and interception effect can be achieved when the coal mine collides on the rocker arm 1, the abrasion of the coal mine to the cooling nozzle 6 can be effectively reduced, and the situation that the fastening bolt 71 is higher than the wear plate 73 and is broken due to external force in the specific implementation process is avoided.
The working process comprises the following steps:
as shown in fig. 4, when the coal mining machine works, the fastening bolt 71 is screwed onto the counter bore 11, the six-edge section 72 is connected with the fastening bolt 71 and installed on the groove 111, the wear plate 73 passes through the fastening bolt 71 and is installed on the upper surface of the rocker arm 1, the conical block 74 is tightly pressed on the conical hole 731 to limit and clamp the wear plate 73, finally the hexagonal nut 75 is screwed onto the fastening bolt 71 to fixedly lock the conical block 74 and the wear plate 73, the rocker arm 1 and the cutting drum 4 move along the coal wall along the machine body, the cutting tool cuts into the coal body under the action of machine traction force, the coal is broken from the coal body by utilizing the torque generated by the rotation of the cutting drum 4, the coal mining machine continuously moves, the cutting drum 4 continuously rotates, the coal is continuously cut off from the coal wall, the wear plate 73 separates the cooling nozzle 6 and is higher than the cooling nozzle 6, the friction of coal blocks on the surface of the rocker arm 1 and the cooling nozzle 6 during the movement of the rocker arm 1 can be reduced, so that the abrasion among the rocker arm 1, the cooling nozzle 6 and a coal mine is reduced, the service life is prolonged, the maintenance cost is reduced, the abrasion of the coal mine to the first shaft 2 and the second shaft 3 can be reduced by arranging the abrasion-resistant plate 5 between the first shaft 2 and the second shaft 3, the cut coal mine falls on the scraper conveyor at the bottom of the coal mining machine, the scraper conveyor conveys the cut coal out, after the long-time use, the hexagonal nut 75 is severely worn, when the hexagonal nut 75 is worn and falls, the conical block 74 is not automatically fallen under the fixing action of the hexagonal nut 75, the abrasion-resistant plate 73 also falls along with the abrasion-resistant plate, all abrasion-resistant components 7 need to be replaced at the moment, the hexagonal section 72 and the fastening bolt 71 are screwed out of the counter-sunk hole 11 through a tool, and a new abrasion-resistant component 7 can be replaced.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (4)
1. An environment-friendly coal mining machine rocker arm wear-resistant structure is characterized in that: the utility model provides an environment-friendly coal mining machine rocking arm abrasionproof decreases structure including rocking arm (1), a spool (2), diaxon (3), cutting drum (4), antifriction plate (5), cooling nozzle (6), wear-resisting subassembly (7), a spool (2) and diaxon (3) rotatable install on rocking arm (1), cutting drum (4) install in rocking arm (1) tip for prevent that the antifriction plate (5) of a spool (2), diaxon (3) wearing and tearing pass through the screw demountable installation at rocking arm (1) surface, cooling nozzle (6) install on rocking arm (1) top, wear-resisting subassembly (7) are installed in cooling nozzle (6) one side, wear-resisting subassembly (7) include fastening bolt (71), hexagonal section (72), wear-resisting plate (73), tapered block (74), hexagonal nut (75), open counter sunk hole (11) near inside rocking arm (1) one side of cooling nozzle (6), fastening bolt (71) are installed in counter sunk hole (11), hexagonal section (72) are connected with fastening bolt (71) and are installed on counter sunk hole (11) on rocking arm (1) side, wear-resisting subassembly (7) are located on counter sunk hole (11), the fastening bolt (71) penetrates through a conical hole (731) formed in the wear plate (73), the conical block (74) is installed in the conical hole (731) and fixedly connected with the fastening bolt (71), and the hexagonal nut (75) is installed at the top end of the conical block (74) and connected with the fastening bolt (71).
2. The environment-friendly rocker arm wear-resistant structure of the coal mining machine, as claimed in claim 1, is characterized in that: the six-edge section (72) is arranged on the groove (111) of the counter bore (11), the diameter of the six-edge section (72) is smaller than that of the groove (111), and the height of the six-edge section is slightly lower than that of the groove (111).
3. The environment-friendly coal mining machine rocker arm wear-resistant structure as claimed in claim 1 or 2, wherein: the wear-resisting component (7) is uniformly provided with 4 groups, and the wear-resisting component (7) surrounds the cooling nozzle (6) inside.
4. The environment-friendly coal mining machine rocker arm wear-resistant structure as claimed in claim 1 or 2, wherein: the fastening bolt (71) is flush with the abrasion plate (73) and is positioned on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321346045.5U CN219711507U (en) | 2023-05-30 | 2023-05-30 | Environment-friendly coal mining machine rocker arm wear-resistant structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321346045.5U CN219711507U (en) | 2023-05-30 | 2023-05-30 | Environment-friendly coal mining machine rocker arm wear-resistant structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219711507U true CN219711507U (en) | 2023-09-19 |
Family
ID=87981952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321346045.5U Active CN219711507U (en) | 2023-05-30 | 2023-05-30 | Environment-friendly coal mining machine rocker arm wear-resistant structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219711507U (en) |
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2023
- 2023-05-30 CN CN202321346045.5U patent/CN219711507U/en active Active
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