CN215332816U - Split type crushing mechanism with rocker arm power - Google Patents
Split type crushing mechanism with rocker arm power Download PDFInfo
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- CN215332816U CN215332816U CN202120573660.4U CN202120573660U CN215332816U CN 215332816 U CN215332816 U CN 215332816U CN 202120573660 U CN202120573660 U CN 202120573660U CN 215332816 U CN215332816 U CN 215332816U
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- rocker arm
- supporting plate
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Abstract
The utility model relates to a split type crushing mechanism with rocker power, which comprises a support, a connecting seat, a crushing tooth assembly and a mining machine rocker, wherein the support comprises a base, a front supporting plate and a rear supporting plate, the base and the connecting seat are fixed on the rocker, the crushing tooth assembly comprises a rotating shaft, a plurality of shaft sleeves sleeved on the rotating shaft side by side and crushing teeth arranged on the shaft sleeves, the front part and the rear part of the rotating shaft are respectively and rotatably supported on the front supporting plate and the rear supporting plate, the front end of the rotating shaft penetrates through the front supporting plate and is positioned in an inner cavity of the connecting seat, the rear end of a transmission gear in the rocker extends out of the rocker and is positioned in the inner cavity of the connecting seat, the rear end of the transmission gear and the front end of the rotating shaft are in transmission connection through a transmission system, the front supporting plate and the rear supporting plate can be arranged on different positions of the base, and the connecting seat can also be arranged on different positions of the rocker. The rock breaking device can be used on the mining machine for mining thinner ore layers or high-grade thin ore layers, and can effectively break rock blocks, so that the rock blocks can smoothly pass through the lower part of the rocker arm of the mining machine, and the accumulation is avoided.
Description
Technical Field
The utility model relates to a crushing mechanism for a mining machine, in particular to a mining machine which is suitable for mining a thinner ore layer or a high-grade thin ore layer.
Background
In order to adapt to mining of a thinner ore layer or a high-grade thin ore layer, a rocker arm of a high-power (high-torque) cutting system is generally adopted on an bauxite mining machine, the rocker arm is low in height, compact in structure and high in power density, and a cutting motor arranged in a rocker arm shell occupies a large space in the front-rear direction, so that a conventional crushing device is not arranged in a space between the cutting motor and a cable trough. However, in the actual exploitation of the mining machine, a large amount of high-hardness bauxite often can appear, and these bauxite need pass through below the position where the cutting motor of rocking arm is located after entering the conveyer, but a lot of rocks are massive rocks, can not pass through, finally pile up and lead to the conveyer can't carry, need to shut down and carry out artifical clearance, waste time and energy, still influence the productivity.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a split type crushing mechanism with rocker power, which can be used on a mining machine for mining a thin ore layer or a high-grade thin ore layer to effectively crush large-lumpiness rock blocks, so that the rock blocks can smoothly pass through the lower part of a rocker of the mining machine, and accumulation is avoided.
The main technical scheme of the utility model is as follows:
a split type crushing mechanism with rocker power comprises a support, a connecting seat, a crushing tooth assembly and a mining machine rocker, wherein the support comprises a base, a front supporting plate and a rear supporting plate, a front side plate and a rear side plate are arranged on the base, a plurality of side plate pin holes distributed from top to bottom are respectively formed in the front side plate and the rear side plate, the front side plate and the rear side plate are symmetrical front and back, a plurality of supporting plate pin holes are respectively formed in the front supporting plate and the rear supporting plate, the front supporting plate and the rear supporting plate are respectively detachably fixed on the front side plate and the rear side plate, and the front supporting plate and the front side plate and the rear supporting plate are respectively positioned in a vertical plane in a mode that first positioning pins are arranged in at least two paired side plate pin holes and supporting plate pin holes; the base is fixed on one side of a roller part of the mining machine rocker arm, and the base and the roller part are positioned through a plane and a pin; the connecting seat is fixed on the rear side surface of the arm frame part of the mining machine rocker arm, a transmission system is arranged in an inner cavity of the connecting seat, and the connecting seat is positioned in front of the front supporting plate and keeps a gap with the front supporting plate; broken tooth subassembly includes the pivot, overlaps in the pivot a plurality of axle sleeves side by side and installs the broken tooth on the axle sleeve, the anterior of pivot and rear portion are rotatory respectively to be supported in the front on backup pad and the back backup pad, and the pivot front and back level extends, the front end of pivot passes preceding backup pad and is located in the inner chamber of connecting seat, the rear end of a drive gear in the mining machine rocking arm stretches out and is located from the back lateral wall of the cantilever crane portion of mining machine rocking arm in the inner chamber of connecting seat, drive gear's rear end with the front end of pivot is passed through transmission system transmission is connected, and drive gear and pivot disalignment are equipped with a plurality of rocking arm pinholes that are circumference interval distribution with drive gear's axis as the center on the trailing flank of the cantilever crane portion of mining machine rocking arm, be equipped with the connecting seat pinhole on the connecting seat, the connecting seat with realize connecting seat looks through the mode at connecting seat pinhole and a rocking arm pinhole department installation second locating pin between the cantilever crane portion between the arm portion Angular positioning of the axes of the drive gears.
The front side plate and the rear side plate are respectively provided with M side plate pin holes, the front supporting plate and the rear supporting plate are respectively provided with N supporting plate pin holes, M is larger than or equal to N, M is larger than or equal to 3, and N is larger than or equal to 2.
The side face of the roller of the mining machine rocker arm is provided with a plane mounting surface, the outer side face of the base is attached to the plane mounting surface, and the support and the mining machine rocker arm are positioned through a plurality of pins.
The front portion and the rear portion of the rotating shaft can be supported on the front supporting plate and the rear supporting plate through bearings respectively, inner end covers are installed on one sides, close to each other, of the front supporting plate and the rear supporting plate respectively, outer end covers are installed on one sides, far away from each other, and the inner end covers and the outer end covers axially limit corresponding bearings from the front direction and the rear direction.
The inner end cover is indirectly sleeved on the rotating shaft through the baffle ring, the baffle ring axially limits the inner ring of the corresponding bearing, and all shaft sleeves are axially limited between the two baffle rings.
The front supporting plate and the rear supporting plate can be provided with a protective cover, and the protective cover covers the upper part of the crushing tooth assembly.
The side plate pin holes on the front side plate and the rear side plate are distributed at equal intervals on the circumference by taking the axis of the transmission gear as the center.
The transmission gear can comprise a front section of external gear and a rear section of external gear, the front section of external gear is positioned in the mining machine rocker arm, the rear section of external gear is positioned in the connecting seat, a shaft neck is arranged between the front section of external gear and the rear section of external gear, and the shaft neck is supported on a shell of the mining machine rocker arm through an arm support bearing.
The connecting seat is characterized in that a transition gear is installed in an inner cavity of the connecting seat, the transition gear is externally meshed with a rear-section external gear of the transmission gear, an internal spline is arranged on the transition gear, an external spline is arranged at the front end of the rotating shaft, and the front end of the rotating shaft is connected with the transition gear through the spline.
The front end of the connecting base is preferably embedded into a shell of an arm support part of the mining machine rocker arm in a circular spigot structure.
The utility model has the beneficial effects that:
as a part of a cutting transmission system of a mining machine rocker arm, the transmission gear provides power for the rotation of the rotating shaft, so that the crushing mechanism does not need to be specially matched with a power device such as a motor or a hydraulic motor, and the like, and compared with the conventional crushing mechanism with a power device, the structure is greatly simplified, the occupied space is small, and the mining machine provided by the utility model can be applied to mining machines for mining thin ore layers or high-grade thin ore layers.
The utility model also eliminates the oil cylinder in the traditional crushing mechanism. Because the vertical swing angle of the rocker arm is very small when a thinner ore layer or a high-grade thin ore layer is mined, the crushing mechanism can meet the use requirement even if no oil cylinder is used for adjusting the height position of the crushing teeth in a large range, and the structure of the crushing mechanism is further simplified.
The utility model fully utilizes the inner space of the L-shaped corner of the rocker arm of the mining machine, installs the main body of the crushing mechanism at the inner side, and is connected with the cutting system of the rocker arm of the mining machine through the connecting seat and the transmission system, thereby not only saving the installation space, but also solving the problem of power source, and leading the mining machine which is used for mining thinner ore layers or high-grade thin ore layers to be also provided with the crushing mechanism, thereby effectively crushing large-block-size rock blocks, leading the rock blocks to smoothly pass below the rocker arm of the mining machine and avoiding accumulation.
The bracket is arranged into a split structure, the front support plate and the rear support plate can be adjusted to be in high and low positions relative to the base, and the connecting seat is correspondingly provided with a plurality of different mounting positions to be matched with the bracket, so that the mounting height of the crushing tooth assembly can be adjusted finally, and the requirements of a larger upper and lower crushing range can be met.
The front end of the rotating shaft is in spline connection with the transition gear, and due to the floating characteristic of the spline connection, the rotating shaft and the transition gear can be centered, and the transmission stability can be improved. In addition, when the hard rock is crushed or the rock is blocked, the spline shaft is broken in advance to protect the transition gear and the transmission gear, so that the transmission reliability can be improved.
The crushing tooth assembly can replace a traditional crushing roller, is simple and compact in structure, and when a certain crushing tooth is damaged, only the crushing tooth and a shaft sleeve where the crushing tooth is located need to be replaced, so that the crushing tooth assembly is simple and convenient to maintain, and the manufacturing cost and the use cost are lower.
Because the crushing teeth and the corresponding shaft sleeves with different parameters are arranged at different positions in the front and back of the rotating shaft according to the actual distribution characteristics of the lumpiness of the rock blocks on the conveying groove of the conveyor in the front and back directions, the rock blocks can be crushed more pertinently, and a better crushing effect can be achieved with more reasonable investment.
Because broken tooth subassembly simple structure itself, the connection structure of broken tooth subassembly and support is also simple, can overlap on a pivot and establish more quantity the axle sleeve, just also means can have more broken tooth to participate in the breakage, consequently promotes crushing effect more easily.
Drawings
FIG. 1 is a cross-sectional view of one embodiment of a crushing mechanism of the present invention;
fig. 2 is a schematic view of the crushing mechanism with the bracket and the connecting socket in a certain mounting position;
fig. 3 is a schematic view of the crushing mechanism with the bracket and the connecting socket in another mounting position.
Reference numerals:
11. a base; 111. an outer side surface; 12. a pin; 13. a rotating shaft; 14. crushing teeth; 15. a shield; 16. a front support plate; 17. a rear support plate; 18. a first positioning pin; 19. a shaft sleeve;
2. a mining machine rocker arm; 21. an arm frame portion; 211. a planar mounting surface; 213. a circular groove; 214. a rocker pin hole; 22. a transmission gear;
31. a connecting seat; 32. a transition gear; 33. and a second positioning pin.
Detailed Description
The utility model discloses a split type crushing mechanism (simply called crushing mechanism) with rocker power, which comprises a bracket, a connecting seat 31, a crushing tooth assembly and a mining machine rocker 2 as shown in figures 1-3. The support includes base 11, preceding backup pad 16 and back backup pad 17, be equipped with preceding curb plate and posterior lateral plate on the base. The front and rear side plates are part of the base. And the front side plate and the rear side plate are respectively provided with a plurality of side plate pin holes distributed from top to bottom. The front side plate and the rear side plate are symmetrical front and back, and the specifications, the number and the positions of side plate pin holes on the front side plate and the rear side plate are also the same. A plurality of support plate pin holes are respectively formed in the front support plate and the rear support plate, and the side plate pin holes and the support plate pin holes are identical in specification. The front supporting plate and the rear supporting plate are detachably fixed on the front side plate and the rear side plate respectively. The front supporting plate and the front side plate and the rear supporting plate and the rear side plate are respectively positioned in a vertical plane by installing first positioning pins 18 at least two paired side plate pin holes and supporting plate pin hole positions. The base is fixed to the drum portion side of the mining machine swing arm, and the base and the mining machine swing arm can be positioned by a flat surface and a plurality of pins 12, and can be fastened by screws. Through changing the mating relation of curb plate pinhole and backup pad pinhole, the synchronous adjustment need be done to curb plate, front and back backup pad around certainly around, can change the position of preceding, back backup pad to change the height of pivot, with the broken needs of adaptation difference.
The connecting base is fixed on the rear side face of an arm frame portion of the mining machine rocker arm, a transmission system is arranged in an inner cavity of the connecting base, and the connecting base is located in front of the front supporting plate and keeps a gap with the front supporting plate. The crushing tooth assembly comprises a rotating shaft 13, a plurality of shaft sleeves 19 sleeved on the rotating shaft side by side and crushing teeth 14 arranged on the shaft sleeves. The front part and the rear part of the rotating shaft are respectively and rotatably supported on the front supporting plate and the rear supporting plate, and the rotating shaft horizontally extends forwards and backwards. The front end of pivot passes the front support plate and is located in the inner chamber of connecting seat, the rear end of a drive gear 22 in the mining machine rocking arm stretches out and is located from the rear side wall of arm portion 21 of mining machine rocking arm in the inner chamber of connecting seat, the rear end of drive gear with the front end of pivot passes through transmission system transmission is connected, drive gear and pivot disalignment. The rear side surface of the arm frame part of the mining machine rocker arm is provided with a plurality of rocker arm pin holes 214 which are distributed at intervals circumferentially by taking the axis of the transmission gear as the center, the connecting seat is provided with a connecting seat pin hole, and the specifications of the rocker arm pin holes and the connecting seat pin holes are the same. The connecting seat and the arm frame part realize the angular positioning of the connecting seat relative to the axis of the transmission gear in a mode that a second positioning pin 33 is arranged at the pin hole of the connecting seat and the pin hole of one rocker arm. Through changing the rocker arm pinhole that pairs with the connecting seat pinhole, can change the installation angle of connecting seat, change the pivot mounting height on the connecting seat correspondingly to the adjustment of adapting to pivot mounted position height on the support.
If the number of the side plate pin holes respectively arranged on the front side plate and the rear side plate is represented by M, the number of the support plate pin holes respectively arranged on the front support plate and the rear support plate is represented by N, M is more than or equal to 3, and N is more than or equal to 2.
The front and rear support plates have a plurality of possible mounting positions relative to the front and rear side plates, respectively. In fig. 2, the pin holes of the support plate are matched with the pin holes of the upper side plate, the installation position of the rotating shaft is equal to the height of the transmission gear, in fig. 3, the pin holes of the support plate are matched with the pin holes of the lower side plate, the installation position of the rotating shaft moves downwards, and accordingly, the connecting seat needs to be installed by rotating counterclockwise by an angle compared with the installation position in fig. 2. The mounting height of the rotating shaft is adjustable, so that the crushing mechanism can meet the requirement of a larger vertical crushing range.
As a part of a cutting transmission system of a mining machine rocker arm, the transmission gear provides power for the rotation of the rotating shaft, so that the crushing mechanism does not need to be specially matched with a power device such as a motor or a hydraulic motor, and the like, and compared with the conventional crushing mechanism with a power device, the structure is greatly simplified, the occupied space is small, and the mining machine provided by the utility model can be applied to mining machines for mining thin ore layers or high-grade thin ore layers.
In addition, the utility model also saves an oil cylinder in the traditional crushing mechanism. Because the vertical swing angle of the rocker arm is very small when a thinner ore layer or a high-grade thin ore layer is mined, the crushing mechanism can meet the use requirement even if no oil cylinder is used for adjusting the height position of the crushing teeth in a large range.
Because the utility model replaces the traditional crushing roller with the crushing tooth component, the structure becomes very simple, and the manufacturing cost and the use cost are lower. And, because simple structure can overlap on a pivot and establish more quantity axle sleeves, just also mean to have more broken tooth to participate in the breakage, consequently promote crushing effect more easily.
Broken tooth is installed on the axle sleeve through broken toothholder, and a plurality of broken toothholders of circumference equipartition on every axle sleeve, one-to-one and each other detachable connection between broken tooth and the broken toothholder. The crushing teeth on the same shaft sleeve are all arranged clockwise or anticlockwise. The shaft sleeve is connected with the rotating shaft through a plurality of flat keys, the flat keys are uniformly distributed in the circumferential direction, the circumferential fixing is reliable, and the axial assembly and disassembly of the shaft sleeve are facilitated. When a certain broken tooth is damaged, only the broken tooth and the shaft sleeve where the broken tooth is located need to be replaced, and the maintenance is simple and convenient. Compared with a roller on the existing crusher, the crushing tooth assembly is compact in structure, saves space and is convenient to maintain.
The specification and performance parameters of the crushing teeth mounted on the same shaft sleeve are the same, and the specification and performance parameters of the crushing teeth mounted on different shaft sleeves can be the same or different. When the crushing tooth assembly is used on a crusher, the crushing teeth are positioned right above a conveying groove of the conveyor, and the extending direction of the rotating shaft is consistent with the width direction of the conveying groove. According to the actual distribution characteristics (such as abnormal distribution) of the rock mass in the width direction of the conveying groove, the crushing teeth and the corresponding shaft sleeves with different parameters can be arranged at different positions in front of and behind the rotating shaft, so that a better crushing effect can be obtained.
The drum side of the miner's swing arm is provided with a vertical planar mounting surface 211, which is a datum surface for the mounting bracket. The outer side 111 of the base is attached to the planar mounting surface.
The front portion and the rear portion of the rotating shaft are supported on the front supporting plate and the rear supporting plate through bearings respectively, inner end covers are installed on one sides, close to each other, of the front supporting plate and the rear supporting plate respectively, outer end covers are installed on one sides, far away from each other, and the inner end covers and the outer end covers can axially limit corresponding bearings from the front direction and the rear direction.
The inner end cover can be indirectly sleeved on the rotating shaft through the baffle ring, and the baffle ring can axially limit the inner ring of the corresponding bearing. All the shaft sleeves are axially limited between the front retaining ring and the rear retaining ring.
The front and rear support plates may be arranged in a generally triangular shape with the base of the triangle adjacent the drum portion of the miner's swing arm and the shaft mounted at the top of the triangle. This shape of the bracket is more space-saving.
Preferably mounted on the front and rear support plates is a shroud 15 which is shrouded over the breaker tooth assembly. The top plate of the protective cover is preferably an arc-shaped cylindrical surface taking the axis of the rotating shaft as the axis, and the lower edges of the front side plate and the rear side plate of the protective cover are respectively connected with the upper edges of the front supporting plate and the rear supporting plate.
Further, the side plate pin holes of the front side plate and the rear side plate are preferably distributed at equal intervals in a circle around the axis of the transmission gear. The curb plate pinhole in preceding curb plate and the posterior lateral plate is gone up respectively can all be divided into multiple combination, and each combination all can pair with the backup pad pinhole on preceding backup pad or the back backup pad, and when the backup pad pinhole pairs with the curb plate pinhole in the different combinations and is connected, the mounted position and the angle of the relative anterior posterior lateral plate of backup pad around will changing.
The transmission gear can comprise a front section of external gear and a rear section of external gear, the front section of external gear is positioned in the rocker arm of the mining machine and is used for participating in transmission of the cutting transmission system, and the rear section of external gear is positioned in the connecting seat and is used for outputting power outwards. And a journal is arranged between the front and rear sections of external gears and supported on a shell of the mining machine rocker arm through an arm support bearing. The arm support bearing can be mounted on the shell of the mining machine rocker arm through a bearing seat.
A transition gear 32 is installed in an inner cavity of the connecting seat, and the transition gear is externally meshed with a rear-section external gear of the transmission gear. The transition gear is provided with an internal spline, the front end of the rotating shaft is provided with an external spline, and the front end of the rotating shaft is connected with the transition gear spline. The front end and the rear end of the transition gear can be respectively supported on the connecting seat in a rotating way through a bearing. Due to the floating characteristic of spline coupling, the centering performance can be realized between the rotating shaft 13 and the transition gear 32, and the transmission stability can be improved. In addition, when the hard rock is crushed or the rock is blocked, the spline shaft is broken in advance to protect the transition gear and the transmission gear, so that the transmission reliability can be improved.
Further, the front end of the connection socket is fitted with a convex circular spigot structure into a corresponding circular groove 213 in the housing of the arm portion 21 of the mining machine swing arm. The connecting seat 31 can serve as a back retainer ring of the arm support bearing at the same time, and the arm support bearing is axially limited.
With existing mining machines, the mounting location of the crushing mechanism can be achieved by machining the circular groove 213, the rocker pin hole 214 and the planar mounting surface 211 and the pin holes thereon.
The terms front and back herein correspond to top and bottom, respectively, from the perspective of fig. 1.
Claims (13)
1. The utility model provides a split type crushing mechanism with rocking arm power which characterized in that: the mining machine support comprises a support, a connecting seat, a crushing tooth assembly and a mining machine rocker arm, wherein the support comprises a base, a front support plate and a rear support plate, a front side plate and a rear side plate are arranged on the base, a plurality of side plate pin holes distributed from top to bottom are respectively arranged on the front side plate and the rear side plate, the front side plate and the rear side plate are symmetrical front and back, a plurality of support plate pin holes are respectively arranged on the front support plate and the rear support plate, the front support plate and the rear support plate are respectively detachably fixed on the front side plate and the rear side plate, and a first positioning pin is respectively arranged between the front support plate and the front side plate and between the rear support plate and the rear side plate in a mode of positioning at least two paired side plate pin holes and support plate pin holes in a vertical plane; the base is fixed on one side of a roller part of the mining machine rocker arm, and the base and the roller part are positioned through a plane and a pin; the connecting seat is fixed on the rear side surface of the arm frame part of the mining machine rocker arm, a transmission system is arranged in an inner cavity of the connecting seat, and the connecting seat is positioned in front of the front supporting plate and keeps a gap with the front supporting plate; broken tooth subassembly includes the pivot, overlaps in the pivot a plurality of axle sleeves side by side and installs the broken tooth on the axle sleeve, the anterior of pivot and rear portion are rotatory respectively to be supported in the front on backup pad and the back backup pad, and the pivot front and back level extends, the front end of pivot passes preceding backup pad and is located in the inner chamber of connecting seat, the rear end of a drive gear in the mining machine rocking arm stretches out and is located from the back lateral wall of the cantilever crane portion of mining machine rocking arm in the inner chamber of connecting seat, drive gear's rear end with the front end of pivot is passed through transmission system transmission is connected, and drive gear and pivot disalignment are equipped with a plurality of rocking arm pinholes that are circumference interval distribution with drive gear's axis as the center on the trailing flank of the cantilever crane portion of mining machine rocking arm, be equipped with the connecting seat pinhole on the connecting seat, the connecting seat with realize connecting seat looks through the mode at connecting seat pinhole and a rocking arm pinhole department installation second locating pin between the cantilever crane portion between the arm portion Angular positioning of the axes of the drive gears.
2. The split crushing mechanism with rocker arm power of claim 1, wherein: the front side plate and the rear side plate are respectively provided with M side plate pin holes, the front supporting plate and the rear supporting plate are respectively provided with N supporting plate pin holes, M is larger than or equal to N, M is larger than or equal to 3, and N is larger than or equal to 2.
3. The split crushing mechanism with rocker arm power of claim 2, wherein: the side surface of the roller of the mining machine rocker arm is provided with a plane mounting surface, and the outer side surface of the base is attached to the plane mounting surface.
4. The split crushing mechanism with rocker arm power of claim 2, wherein: the front portion and the rear portion of the rotating shaft are supported on the front supporting plate and the rear supporting plate through bearings respectively, inner end covers are installed on one sides, close to each other, of the front supporting plate and the rear supporting plate respectively, outer end covers are installed on one sides, far away from each other, and the inner end covers and the outer end covers axially limit corresponding bearings from the front direction and the rear direction.
5. The split crushing mechanism with rocker arm power of claim 4, wherein: the inner end cover is indirectly sleeved on the rotating shaft through the baffle ring, the baffle ring axially limits the inner ring of the corresponding bearing, and all shaft sleeves are axially limited between the two baffle rings.
6. The split crushing mechanism with rocker arm power of claim 2, wherein: and the front supporting plate and the rear supporting plate are provided with a protective cover, and the protective cover covers the upper part of the crushing tooth assembly.
7. The split crushing mechanism with rocker arm power of claim 2, 3, 4, 5 or 6, characterized in that: the side plate pin holes on the front side plate and the rear side plate are distributed at equal intervals on the circumference by taking the axis of the transmission gear as the center.
8. The split crushing mechanism with rocker arm power of claim 1, 2, 3, 4, 5 or 6, characterized in that: the transmission gear comprises a front section of external gear and a rear section of external gear, the front section of external gear is positioned in the mining machine rocker arm, the rear section of external gear is positioned in the connecting seat, a shaft neck is arranged between the front section of external gear and the rear section of external gear, and the shaft neck is supported on a shell of the mining machine rocker arm through an arm support bearing.
9. The split crushing mechanism with rocker arm power of claim 7, wherein: the transmission gear comprises a front section of external gear and a rear section of external gear, the front section of external gear is positioned in the mining machine rocker arm, the rear section of external gear is positioned in the connecting seat, a shaft neck is arranged between the front section of external gear and the rear section of external gear, and the shaft neck is supported on a shell of the mining machine rocker arm through an arm support bearing.
10. The split crushing mechanism with rocker arm power of claim 8, wherein: the connecting seat is characterized in that a transition gear is installed in an inner cavity of the connecting seat, the transition gear is externally meshed with a rear-section external gear of the transmission gear, an internal spline is arranged on the transition gear, an external spline is arranged at the front end of the rotating shaft, and the front end of the rotating shaft is connected with the transition gear through the spline.
11. The split crushing mechanism with rocker arm power of claim 9, wherein: the connecting seat is characterized in that a transition gear is installed in an inner cavity of the connecting seat, the transition gear is externally meshed with a rear-section external gear of the transmission gear, an internal spline is arranged on the transition gear, an external spline is arranged at the front end of the rotating shaft, and the front end of the rotating shaft is connected with the transition gear through the spline.
12. The split crushing mechanism with rocker arm power of claim 10, wherein: the front end of the connecting seat is embedded into a shell of an arm support part of the mining machine rocker arm in a circular spigot structure.
13. The split crushing mechanism with rocker arm power of claim 11, wherein: the front end of the connecting seat is embedded into a shell of an arm support part of the mining machine rocker arm in a circular spigot structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120573660.4U CN215332816U (en) | 2021-03-22 | 2021-03-22 | Split type crushing mechanism with rocker arm power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120573660.4U CN215332816U (en) | 2021-03-22 | 2021-03-22 | Split type crushing mechanism with rocker arm power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215332816U true CN215332816U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120573660.4U Active CN215332816U (en) | 2021-03-22 | 2021-03-22 | Split type crushing mechanism with rocker arm power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215332816U (en) |
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2021
- 2021-03-22 CN CN202120573660.4U patent/CN215332816U/en active Active
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