CN214221177U - Cutting part is fixed to coal-winning machine - Google Patents
Cutting part is fixed to coal-winning machine Download PDFInfo
- Publication number
- CN214221177U CN214221177U CN202022204501.5U CN202022204501U CN214221177U CN 214221177 U CN214221177 U CN 214221177U CN 202022204501 U CN202022204501 U CN 202022204501U CN 214221177 U CN214221177 U CN 214221177U
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- shell
- fixedly connected
- cutting
- cover
- spring
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Abstract
The utility model is suitable for the technical field of coal mining machines, and provides a fixed cutting part of a coal mining machine, which comprises a shell, a cutting motor, a rotating shaft, a rear cover plate, a pump motor, a sliding plate, a protective cover, a spring and a dust cover, wherein the outer surface of the shell is fixedly connected with the sliding plate, the inner wall of the protective cover is provided with a sliding groove, the size of the inner cavity of the sliding groove is matched with that of the sliding plate, a gap is reserved between the top of the shell and the inner wall of the protective cover, the spring is positioned in the gap, two ends of the spring are respectively and fixedly connected with the top of the shell and the inner wall of the top of the protective cover, when a larger coal block falls off in the coal mining process, the protective cover can protect the shell and a compression spring slides downwards, the impact force of the coal block is reduced through the damping action of the spring, the protective shell and an internal original dust cover are sleeved at the joint of the cutting motor and the pump motor, when the small coal block or dust falls off, the horn-shaped dust cover, the dust can rapidly slide to one side, and the dust is prevented from entering the connection part of the cutting motor and the pump motor, so that the motor is prevented from being damaged.
Description
Technical Field
The utility model belongs to the technical field of the coal-winning machine, especially, relate to a cutting units is fixed to coal-winning machine.
Background
The fixed cutting part drives a main pump through a pump motor at the middle position, and the oil cylinder is controlled to stretch through the valve group, so that the left cutting part and the right cutting part rotate up and down to finish coal dropping and coal charging.
When the fixed cutting part of the coal mining machine drives the left cutting part and the right cutting part to rotate, the collected coal blocks can fall from a high position, damage to a shell of the coal mining machine is easily caused, and on the other hand, coal block dust easily enters the joint of a cutting motor and a pump motor to influence mechanical work.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cutting units is fixed to coal-winning machine aims at solving the fixed cutting units of coal-winning machine and drives when cutting units rotates about, and the coal cinder of collection can drop from the eminence, causes the damage to the coal-winning machine shell easily, and on the other hand, the coal cinder dust gets into the junction of cut motor and pump motor easily, influences the problem of mechanical work.
The utility model is realized in such a way that the coal mining machine fixing cutting part comprises a shell, a cutting motor, a rotating shaft, a rear cover plate, a pump motor, a sliding plate, a protective cover, a spring and a dust cover, wherein the cutting motor is positioned inside the shell, and is fixedly connected with the shell, the rotating shaft is fixedly connected with the output end of the cutting motor, the rear cover plate is fixedly connected with the top of the shell, the pump motor is positioned between the cutting motors, and is fixedly connected with the output end of the cutting motor through the rotating shaft, the sliding plate is fixedly connected on the outer surface of the shell, the protective cover is sleeved on the outer surface of the shell, and is connected with the shell in a sliding way through the sliding plate, one end of the spring is fixedly connected with the top of the shell, the other end of the spring with safety cover inner wall fixed connection, dust cover fixed connection in on the lateral wall of safety cover.
Preferably, the number of the cutting motors is two, the two cutting motors are positioned on the left side and the right side of the pump motor and are symmetrically distributed along the central axis of the pump motor, and the rotation directions of the two cutting motors are opposite.
Preferably, the output end of the pump motor is provided with a flange, and the flange is fixedly connected with the output end of the pump motor and is used for connecting the left cutting part and the right cutting part.
Preferably, the flange is provided with a spline housing, the spline housing is fixedly connected with the flange, and the bottom of the spline housing is fixedly connected with a distance pad used for controlling the distance.
Preferably, a gap is reserved between the top of the shell and the inner wall of the protection cover, the spring is located in the gap, and the two ends of the spring are respectively fixedly connected with the shell and the protection cover.
Preferably, a plurality of sliding grooves are formed in the protective cover, the size of an inner cavity of each sliding groove is matched with that of the sliding plate, the sliding plates are sleeved on the outer surfaces of the sliding plates, and the sliding plates are connected in a sliding mode.
Preferably, the dust cover is loudspeaker form, the less pot head of dust cover internal diameter is located the surface of pivot, and with safety cover lateral wall fixed connection, the other end of dust cover with the outer wall sliding contact of pump motor.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a fixed cutting part of coal mining machine, through setting up the slide, the safety cover, spring and dust cover, fixedly connected with slide on the shell surface, set up the spout on the safety cover inner wall, the spout inner chamber size and slide size looks adaptation, leave between shell top and the safety cover inner wall and be equipped with the space, the spring is located the space inside, its both ends respectively with shell top and safety cover top inner wall fixed connection, when the great coal cinder drops in the coal mining process, the safety cover can protect the shell, and slide down and compress the spring, reduce the impact force of coal cinder through the spring cushioning effect, protection shell and inside original paper, the dust cover is located the junction of cutting motor and pump motor, when the small coal cinder or dust fall, because the dust cover is loudspeaker-shaped, make the dust slide to one side rapidly, avoided the dust to get into the junction of cutting motor and pump motor, causing damage to the motor.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the connection structure of the present invention;
fig. 3 is a schematic plan view of the present invention;
in the figure: 11. a housing; 12. a cutting motor; 13. a rotating shaft; 14. a rear cover plate; 15. a pump motor; 16. a flange; 17. a spline housing; 18. a distance pad; 19. a slide plate; 20. a protective cover; 21. a spring; 22. a chute; 23. a dust cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a fixed cutting unit of coal-winning machine, including shell 11, cut motor 12, pivot 13, back shroud 14, pump motor 15, slide 19, safety cover 20, spring 21 and dust cover 23, cut motor 12 is located inside shell 11, and with shell 11 fixed connection, pivot 13 and the output fixed connection of cutting motor 12, back shroud 14 fixed connection is in the top of shell 11, pump motor 15 is located between the cutting motor 12, and through the output fixed connection of pivot 13 with cutting motor 12, slide 19 fixed connection is on the surface of shell 11, the shell 11 surface is located to safety cover 20 cover, and through slide 19 and shell 11 sliding connection, wherein one end and the shell 11 top fixed connection of spring 21, the other end and the safety cover 20 inner wall fixed connection of spring 21, dust cover 23 fixed connection is on the lateral wall of safety cover 20.
In this embodiment, a sliding plate 19 is fixedly connected to an outer surface of the housing 11, a sliding slot 22 is formed in an inner wall of the protection cover 20, an inner cavity of the sliding slot 22 is matched with the sliding plate 19, the protection cover 20 is sleeved on the outer surface of the sliding plate 19 through the sliding slot 22 and is slidably connected with the sliding plate 19, a gap is left between the top of the housing 11 and the inner wall of the top of the protection cover 20, the spring 21 is located inside the gap, two ends of the spring 21 are fixedly connected with the top of the housing 11 and the inner wall of the top of the protection cover 20 respectively, coal lumps falling during coal mining fall can fall on the outer surface of the protection cover 20 and press the spring 21 to contract to perform damping and protecting functions, damage caused by hitting or strong vibration of components inside the housing 11 during coal falling is avoided, the protection cover 23 is horn-shaped, and one end of the dust cover 23 with a smaller inner diameter is sleeved on the outer surface of the rotating shaft 13 and is fixedly connected with a side wall of the protection cover 20, the other end of the dust cover 23 is in sliding contact with the outer wall of the pump motor 15, and the dust cover 23 is of a horn-shaped structure, so that coal ash falling in the coal mining process can rapidly slide towards the direction of the protective cover 20 after falling on the dust cover 23, and rapidly and separately slide at the left end of the dust cover 23, and the problem that the coal ash enters the joint of the cutting motor 12 and the pump motor 15 to influence the operation of the cutting motor 12 in the coal mining process is solved.
In this embodiment, a cutting motor 12 is disposed inside the housing 11, the cutting motor 12 is fixedly connected to the inner wall of the housing 11, one end of a rotating shaft 13 is fixedly connected to the output end of the cutting motor 12, the other end of the rotating shaft 13 is fixedly connected to a pump motor 15, a flange 16 for connecting left and right cutting portions is disposed on the output end of the pump motor 15, a spline housing 17 is disposed inside the flange 16, a distance pad 18 for controlling the distance is disposed at the bottom of the flange 16, when in use, the cutting motor 12 is electrically connected to an external power source, the pump motor 15 is driven to rotate by the rotation of the cutting motor 12, a main pump is driven by the pump motor 15 to extend and retract by a valve set control cylinder, the left and right cutting portions fixedly connected to the flange 16 are driven to rotate up and down to complete the coal dropping and coal charging, a sliding plate 19 is fixedly connected to the outer surface of the housing 11, a sliding groove 22 is disposed on the inner wall of the protective cover 20, the size of the inner cavity of the chute 22 is matched with that of the sliding plate 19, the protective cover 20 is sleeved on the outer surface of the sliding plate 19 through the chute 22 and is in sliding connection with the sliding plate 19, a gap is reserved between the top of the shell 11 and the inner wall of the top of the protective cover 20, the spring 21 is located in the gap, two ends of the spring 21 are respectively and fixedly connected with the top of the shell 11 and the inner wall of the top of the protective cover 20, coal blocks falling in the coal mining process can fall on the outer surface of the protective cover 20 and press the spring 21 to contract to achieve the effects of shock absorption and protection, damage caused by hitting or strong vibration of the shell 11 and internal elements in the coal mining process is avoided, the dust cover 23 is horn-shaped, one end with a smaller inner diameter of the dust cover 23 is sleeved on the outer surface of the rotating shaft 13 and is fixedly connected with the side wall of the protective cover 20, the other end of the dust cover 23 is in sliding contact with the outer wall of the pump motor 15, and the coal ash falling in the coal mining process falls on the dust cover 23, the coal mining protective cover can slide towards the protective cover 20 rapidly and fall separately, and the problem that dust enters the connecting part of the cutting motor 12 and the pump motor 15 to influence the coal mining process is avoided.
Further, the number of the cutting motors 12 is two, the two cutting motors 12 are located on the left side and the right side of the pump motor 15 and are symmetrically distributed along the central axis of the pump motor 15, and the rotation directions of the two cutting motors 12 are opposite.
In this embodiment, two cutting motors 12 are disposed on two sides of the pump motor 15, and the two cutting motors 12 have opposite rotation directions, so that the two cutting motors 12 drive the pump motor 15 to rotate, and the cylinders are controlled to extend and retract by the valve set, so that the left and right cutting portions rotate up and down to complete coal dropping and coal charging.
Further, the output end of the pump motor 15 is provided with a flange 16, and the flange 16 is fixedly connected with the output end of the pump motor 15 and used for connecting the left cutting part and the right cutting part.
In the present embodiment, a flange 16 is provided at the output end of the pump motor 15, and the flange 16 is fixedly connected to the output end of the pump motor 15, so as to fixedly connect the left and right cutting units to the pump motor 15 through the flange 16, thereby completing the connection of the left and right cutting units.
Furthermore, a spline housing 17 is arranged on the flange 16, the spline housing 17 is fixedly connected with the flange 16, and a distance pad 18 for controlling the distance is fixedly connected to the bottom of the spline housing 17.
In the present embodiment, a spline housing 17 is provided for protecting the flange 16, and a distance pad 18 is provided at the bottom of the spline housing 17 for controlling the pitch.
Furthermore, a gap is reserved between the top of the housing 11 and the inner wall of the protection cover 20, the spring 21 is located in the gap, and two ends of the spring 21 are respectively fixedly connected with the housing 11 and the protection cover 20.
In the embodiment, the spring 21 is arranged between the top of the shell 11 and the inner wall of the protection cover 20, and a gap is reserved between the top of the shell and the inner wall of the protection cover 20, so that the protection cover 20 can press the spring 21 to contract after being subjected to external force, the purposes of shock absorption and pressure resistance are achieved, and the shell 11 and internal parts are protected by the protection cover 20, and damage to the shell and the internal parts in the coal mining process is avoided.
Furthermore, a plurality of sliding grooves 22 are formed in the protective cover 20, and the size of the inner cavity of each sliding groove 22 is matched with the sliding plate 19, and the sliding grooves are sleeved on the outer surface of the sliding plate 19 and are in sliding connection with the sliding plate 19.
In this embodiment, a plurality of sliding grooves 22 are formed in the protective cover 20, the size of the inner cavity of each sliding groove 22 is matched with that of the sliding plate 19, and the sliding grooves 22 are sleeved on the outer surface of the sliding plate 19 and are in sliding connection with the sliding plate 19, so that the protective cover 20 can move downwards when the spring 21 contracts after being subjected to external pressure, and the buffering and shock absorption effects are achieved.
Furthermore, the dust cover 23 is trumpet-shaped, one end of the dust cover 23 with a smaller inner diameter is sleeved on the outer surface of the rotating shaft 13 and is fixedly connected with the side wall of the protection cover 20, and the other end of the dust cover 23 is in sliding contact with the outer wall of the pump motor 15.
In the present embodiment, the dust cover 23 is provided to prevent dust from falling into the connection between the cutting motor 12 and the pump motor 15, which increases the friction force when the cutting motor 12 and the pump motor 15 rotate and affects the use of the cutting motor 12.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a fixed cutting units of coal-winning machine, includes shell (11), cutting motor (12), pivot (13), back shroud (14), pump motor (15), slide (19), safety cover (20), spring (21) and dust cover (23), its characterized in that: the cutting motor (12) is positioned inside the shell (11) and fixedly connected with the shell (11), the rotating shaft (13) is fixedly connected with the output end of the cutting motor (12), the rear cover plate (14) is fixedly connected with the top of the shell (11), the pump motor (15) is positioned between the cutting motors (12) and fixedly connected with the output end of the cutting motor (12) through the rotating shaft (13), the sliding plate (19) is fixedly connected with the outer surface of the shell (11), the protective cover (20) is sleeved on the outer surface of the shell (11) and is slidably connected with the shell (11) through the sliding plate (19), one end of the spring (21) is fixedly connected with the top of the shell (11), and the other end of the spring (21) is fixedly connected with the inner wall of the protective cover (20), the dust cover (23) is fixedly connected to the outer side wall of the protection cover (20).
2. The fixed cutting unit of the shearer as set forth in claim 1, wherein: the number of the cutting motors (12) is two, the two cutting motors (12) are positioned at the left side and the right side of the pump motor (15) and are symmetrically distributed along the central axis of the pump motor (15), and the rotating directions of the two cutting motors (12) are opposite.
3. The fixed cutting unit of the shearer as set forth in claim 1, wherein: the output end of the pump motor (15) is provided with a flange (16), and the flange (16) is fixedly connected with the output end of the pump motor (15) and used for connecting the left cutting part and the right cutting part.
4. The fixed cutting unit of the shearer as set forth in claim 3, wherein: the flange is characterized in that a spline sleeve (17) is arranged on the flange (16), the spline sleeve (17) is fixedly connected with the flange (16), and a distance pad (18) used for controlling the distance is fixedly connected to the bottom of the spline sleeve (17).
5. The fixed cutting unit of the shearer as set forth in claim 1, wherein: the utility model discloses a spring, including shell (11), safety cover (20), spring (21), shell (11) top with leave between safety cover (20) the inner wall and be equipped with the space, spring (21) are located inside this space, just the both ends of spring (21) respectively with shell (11) with safety cover (20) fixed connection.
6. The fixed cutting unit of the shearer as set forth in claim 1, wherein: a plurality of chutes (22) are formed in the protective cover (20), the inner cavities of the chutes (22) are matched with the sliding plate (19) in size, sleeved on the outer surface of the sliding plate (19) and connected with the sliding plate (19) in a sliding mode.
7. The fixed cutting unit of the shearer as set forth in claim 1, wherein: dust cover (23) are the loudspeaker form, the less pot head of dust cover (23) internal diameter is located the surface of pivot (13), and with safety cover (20) lateral wall fixed connection, the other end of dust cover (23) with the outer wall sliding contact of pump motor (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022204501.5U CN214221177U (en) | 2020-09-30 | 2020-09-30 | Cutting part is fixed to coal-winning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022204501.5U CN214221177U (en) | 2020-09-30 | 2020-09-30 | Cutting part is fixed to coal-winning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214221177U true CN214221177U (en) | 2021-09-17 |
Family
ID=77674448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022204501.5U Expired - Fee Related CN214221177U (en) | 2020-09-30 | 2020-09-30 | Cutting part is fixed to coal-winning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214221177U (en) |
-
2020
- 2020-09-30 CN CN202022204501.5U patent/CN214221177U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210917 |