CN112855150A - Sliding type crushing mechanism with rocker arm power - Google Patents
Sliding type crushing mechanism with rocker arm power Download PDFInfo
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- CN112855150A CN112855150A CN202110300041.2A CN202110300041A CN112855150A CN 112855150 A CN112855150 A CN 112855150A CN 202110300041 A CN202110300041 A CN 202110300041A CN 112855150 A CN112855150 A CN 112855150A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 238000005065 mining Methods 0.000 claims abstract description 48
- 230000007704 transition Effects 0.000 claims description 32
- 238000003825 pressing Methods 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 12
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 description 8
- 229910001570 bauxite Inorganic materials 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 210000004210 tooth component Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/08—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for adjusting parts of the machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to a sliding type crushing mechanism with rocker power, which comprises a sliding seat, a swinging shell and a crushing tooth assembly, wherein the crushing tooth assembly comprises a rotating shaft and crushing teeth arranged on the rotating shaft, the front part and the rear part of the rotating shaft are respectively and rotatably supported on a front supporting arm and a rear supporting arm of the sliding seat, the swinging shell is fixed in front of a front supporting arm, the rear end of a transmission gear in the rocker penetrates through the rocker to enter an inner cavity of the swinging shell and is in transmission connection with the front end of the rotating shaft through a transmission system in the swinging shell, the swinging shell is hinged with the rocker, the hinged part is coaxial with the transmission gear, the transmission gear is not coaxial with the rotating shaft, the sliding seat is in sliding connection with the rocker according to an arc track taking the axis of the transmission gear as a shaft, and the sliding seat. 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 invention 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.
Disclosure of Invention
The invention aims to provide a sliding 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 invention is as follows:
the utility model provides a broken mechanism of slidingtype with rocking arm power, includes sliding seat, swing casing, broken tooth subassembly and mining machine rocking arm, be equipped with preceding supporting arm and back supporting arm on the sliding seat, broken tooth subassembly includes the pivot, overlaps in a plurality of axle sleeves of pivot side by side and installs the broken tooth on the axle sleeve, the anterior portion and the rear portion of pivot are rotatory respectively to be supported on preceding supporting arm and back supporting arm, and the pivot front and back level extends, the swing casing is located the rear side of the arm portion of mining machine rocking arm, the place ahead of preceding supporting arm, the rear end of a drive gear in the mining machine rocking arm passes the back lateral wall of arm portion and gets into the inner chamber of swing casing, the front end of pivot passes preceding supporting arm to through transmission system in the swing casing inner chamber with drive gear's rear end transmission is connected, the relative preceding supporting arm fixed connection of swing casing, the front part of the swinging shell is hinged relative to the arm frame part through a circular spigot structure, the circular spigot structure is coaxial with the transmission gear, the transmission gear is not coaxial with the rotating shaft, one end of the sliding seat is provided with a front groove and a rear groove, notches of the front groove and the rear groove are forward and backward respectively, the front groove and the rear groove are arc grooves taking the axis of the transmission gear as the axis, a front pressing plate and a rear pressing plate are fixed on one side of a roller part of the mining machine rocker arm, the front pressing plate and the rear pressing plate are respectively provided with a front convex arc surface and a rear convex arc surface taking the axis of the transmission gear as the axis, the outer side groove walls of the front groove and the rear groove are respectively in sliding fit with the front convex arc surface and the rear convex arc surface, the front side and the rear side of the sliding seat are respectively provided with a front oil cylinder and a rear oil cylinder, one end of the front.
The side surface of the roller of the mining machine rocker arm is provided with an inner concave arc surface, the inner concave arc surface is a cylindrical surface taking the axis of the transmission gear as the axis, and the outer side surface of the sliding seat is limited on one side of the inner concave arc surface.
The front portion and the rear portion of the rotating shaft are supported on the front supporting arm and the rear supporting arm through bearings respectively, inner end covers are installed on one sides, close to each other, of the front supporting arm and the rear supporting arm 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.
A shield may be mounted on the sliding block, the shield being shrouded over the breaker tooth assembly.
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 swinging shell, a journal is arranged between the front section of external gear and the rear section of external gear, and the journal is supported on the shell of the mining machine rocker arm through an arm support bearing.
The inner cavity of the swing shell is internally provided with a transition gear, the transition gear is externally meshed with the rear section outer gear of the transmission gear, the transition gear is provided with an inner spline, the inner spline is matched with an outer spline on one transition sleeve to form spline connection, and the inner spline of the transition sleeve is matched with an outer spline arranged at the front end of the rotating shaft to form spline connection.
The transition sleeve is also sleeved with an auxiliary positioning sleeve, a radial gap exists between the transition sleeve and the auxiliary positioning sleeve, the rear end of the auxiliary positioning sleeve is connected with the outer end cover on the front support arm in a positioning mode through a circular spigot structure, the joint is provided with a radial seal, the front end of the auxiliary positioning sleeve is connected with the rear end of the swing shell or the bearing end cover fixedly arranged at the rear part of the swing shell in a positioning mode through the circular spigot structure, and the joint is provided with the radial seal.
An end cover is fixed on the rear side wall of the arm frame part, the end cover axially limits the arm frame bearing, and the front end of the swinging shell is hinged on the end cover through a circular spigot structure.
The swing shell is provided with an arc-shaped through hole which is communicated from front to back and takes the axis of the transmission gear as the axis, the arc-shaped through hole is a stepped hole which is narrow in front and wide in back, a stepped press block which is small in front and large in back is fixed on the end cover, the press block is matched with the stepped surface between the arc-shaped through hole to axially limit the swing shell, and a lateral gap is kept between the press block and the side wall of the arc-shaped through hole.
The invention 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 invention can be applied to mining machines for mining thin ore layers or high-grade thin ore layers.
The invention 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 swinging shell and the transmission system, thereby not only saving the installation space, but also solving the problem of power source, and leading the mining machine 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 sliding seat can swing up and down relative to the rocker arm according to an arc-shaped track taking the axis of the transmission gear as a shaft and drive the swing shell to swing synchronously, so that the height of the rotating shaft can be adjusted, and finally the height of the crushing teeth can be adjusted, so that the requirements of a larger up-and-down crushing range can be met.
The rotating shaft and the transition gear are connected in a coaxial floating mode through the transition sleeve, so that the rotating shaft and the transition gear are centered, and the transmission stability can be improved.
The crushing tooth assembly replaces 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 using 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.
The sliding connection of the sliding seat relative to the rocker arm, the hinging of the swinging shell relative to the rocker arm, the floating connection at the transition sleeve and the supporting and locking functions of the front oil cylinder and the rear oil cylinder ensure that the coaxial connection of the whole transmission part of the invention is more reliable.
Drawings
FIG. 1 is a schematic illustration of the installation of one embodiment of the crushing mechanism of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 (with the front and rear cylinders in a retracted state);
fig. 4 is a partial schematic view of the crushing mechanism with front and rear cylinders in an extended state from the sectional view a-a of fig. 2;
FIG. 5 is a front view of the crushing mechanism in the condition shown in FIG. 3;
fig. 6 is a front view of the crushing mechanism in the state shown in fig. 4.
Reference numerals:
11. a sliding seat; 111. an outer side surface; 112. the outer groove wall of the front groove; 113. the outer groove wall of the rear groove; 114. a front support arm; 115. a rear support arm; 12. a front platen; 121. a front convex arc surface; 13. a rear pressing plate; 131. a rear convex arc surface; 14. a front oil cylinder; 15. a rear oil cylinder; 16. a rotating shaft; 17. crushing teeth; 18. a shield; 19. a shaft sleeve;
2. a mining machine rocker arm; 21. an arm frame portion; 211. an inner concave arc-shaped surface; 22. a transmission gear; 23. an end cap;
31. a swing case; 311. an arc-shaped through hole; 32. a transition gear; 33. a transition sleeve; 34. pressing a plate; 35. and (5) an auxiliary positioning sleeve.
Detailed Description
The invention discloses a sliding type crushing mechanism with rocker power (referred to as a crushing mechanism for short), which comprises a sliding seat 11, a swinging shell 31, a crushing tooth assembly and a mining machine rocker 2 as shown in figures 1-6. The sliding seat is provided with a front support arm 114 and a rear support arm 115. The crushing tooth assembly comprises a rotating shaft 16, a plurality of shaft sleeves 19 sleeved on the rotating shaft side by side and crushing teeth 17 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 arm and the rear supporting arm, and the rotating shaft horizontally extends forwards and backwards. The swing case is located behind the arm part 21 of the mining machine swing arm, in front of the front support arm. The rear end of a drive gear 22 in the miner's swing arm passes through the rear side wall of the arm portion into the interior cavity of the swing housing. The front end of the rotating shaft penetrates through the front supporting arm and is in transmission connection with the rear end of the transmission gear through a transmission system in the inner cavity of the swinging shell. The rear portion of the swing shell is fixedly connected with the front supporting arm, the front portion of the swing shell is hinged with the arm support portion through a circular spigot structure, the circular spigot structure is coaxial with the transmission gear, and the hinge structure is beneficial to guaranteeing accuracy of the swing center position of the swing shell. The transmission gear is not coaxial with the rotating shaft. One end of the sliding seat in the left and right directions is provided with a front groove and a rear groove, the notches of which are forward and backward, and the front groove and the rear groove are preferably symmetrical in the front and the rear. The front and rear grooves are arc grooves with the axis of the transmission gear as the axis. A front pressure plate 12 and a rear pressure plate 13 are fixed on one side of the drum part of the mining machine rocker arm. The front and the back pressure plates are respectively provided with a front convex arc surface 121 and a back convex arc surface 131 which take the axis of the transmission gear as the axis. The outer side groove walls 112 and 113 of the front and rear grooves are respectively in sliding fit with the front and rear outer convex arc surfaces.
The front side and the rear side of the sliding seat are respectively provided with a front oil cylinder 14 and a rear oil cylinder 15, one end of each of the front oil cylinder and the rear oil cylinder is hinged with the upper end or the lower end (the upper end in the embodiment shown in the attached drawing) of the front pressing plate and the lower end of the rear pressing plate, and the other end of each of the front oil cylinder and the rear oil cylinder is hinged with the front part and the rear part of the sliding. The upper and lower ends of the front and rear pressing plates and the roller part are positioned by a plane and a pin, and the front and rear outward convex arc surfaces are respectively arranged in the middle of the front and rear pressing plates in the up-down direction. Under the telescopic drive of the front oil cylinder and the rear oil cylinder, the sliding seat can swing to different positions around the transmission gear, and correspondingly, the position of the rotating shaft is changed, so that the height of the rotating shaft is changed, and different crushing requirements are met. Because the swinging shell is fixed relative to the sliding seat and is hinged relative to the arm support part of the mining machine rocker arm, the swinging shell synchronously swings around the transmission gear at the same time so as to match the change of the position of the rotating shaft. The height of the rotating shaft is adjusted, and the output of power at the transmission gear is not influenced.
Because the front oil cylinder and the rear oil cylinder are used for supporting and locking, larger supporting force can be provided for the sliding seat, and the crushing mechanism can work more reliably.
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 invention can be applied to mining machines for mining thin ore layers or high-grade thin ore layers.
Because the invention 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.
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 rapid. 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.
An inner concave arc-shaped surface 211 can be arranged on the side surface of the roller part of the mining machine rocker arm, the inner concave arc-shaped surface is a cylindrical surface taking the axis of the transmission gear as the axis, the outer side surface 111 of the sliding seat is an outer convex arc-shaped surface, and the outer side surface 111 is limited on one side of the inner concave arc-shaped surface. The concave arc-shaped surface and the convex arc-shaped surface are arranged to meet the swinging requirement of the sliding seat, and the size of the sliding seat in the left and right directions can be shortened to a certain extent. The concave arc surface 211 is arranged on the surface of the rocker arm to form a groove with an arc bottom, the end part of the sliding seat is just embedded into the groove, and the front and rear groove walls of the groove limit the front and rear positions of the sliding seat.
The front portion and the rear portion of the rotating shaft are supported on the front supporting arm and the rear supporting arm through bearings respectively, inner end covers are installed on one sides, close to each other, of the front supporting arm and the rear supporting arm 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.
A shroud 18 is preferably mounted on the slide block and shrouds 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 arm and the rear supporting arm.
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 swinging shell 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.
And a transition gear 32 is arranged in an inner cavity of the swing shell, and the transition gear is externally meshed with an external gear at the rear section of the transmission gear. The transition gear is provided with an internal spline, the internal spline is matched with an external spline on one transition sleeve 33 to form spline connection, and the internal spline of the transition sleeve is matched with the external spline arranged at the front end of the rotating shaft to form spline connection. The front end and the rear end of the transition gear can be respectively and rotatably supported on the swing shell through bearings. The transition sleeve can keep coaxial floating connection between the transition gear and the rotating shaft, and the centering property between the rotating shaft and the transition gear can improve the transmission stability. The transition gear is an integral part of the transmission system.
An auxiliary positioning sleeve 35 can be further sleeved outside the transition sleeve, and a radial gap exists between the transition sleeve and the auxiliary positioning sleeve. The rear end of the auxiliary positioning sleeve is connected with the outer end cover on the front support arm in a positioning mode through a circular seam allowance structure, the joint is provided with a radial seal, the front end of the auxiliary positioning sleeve is connected with the rear end of the swing shell or a bearing end cover fixedly installed at the rear portion of the swing shell in a positioning mode through the circular seam allowance structure, and the joint is provided with the radial seal. The auxiliary positioning sleeve can be used for preventing dust from entering the spline matching part, provides a better working environment for spline connection and ensures the working reliability of the spline connection.
Furthermore, an end cover 23 is fixed on the rear side wall of the arm frame part, and the end cover is used for axially limiting the arm frame bearing. The front end of the swing shell is embedded into a corresponding concave circular seam allowance structure on the end cover 23 by a convex circular seam allowance structure to form hinge joint.
The swing shell is also preferably provided with an arc-shaped through hole 311 which is communicated with the front and the back by taking the axis of the transmission gear as the axis, and the arc-shaped through hole is a stepped hole which is narrow in the front and wide in the back. A stepped press block 34 with a small front and a large rear is fixed on the rear end of the end cover 23, the press block axially limits the swing shell by utilizing the matching of the press block and the step surface between the arc through holes, and a lateral clearance is kept between the press block and the side wall of the arc through hole. When the swinging shell swings synchronously along with the sliding seat, the pressing block and the arc-shaped through hole only slide in an arc shape around the transmission gear, so that the swinging direction of the swinging shell is guided and corrected.
The terms front and back herein correspond to top and bottom, respectively, from the perspective of fig. 1.
Claims (10)
1. The utility model provides a slidingtype crushing mechanism with rocking arm power which characterized in that: including sliding seat, swing casing, broken tooth subassembly and mining machine rocking arm, be equipped with preceding supporting arm and back supporting arm on the sliding seat, broken tooth subassembly includes the pivot, overlaps in a plurality of axle sleeves of pivot side by side and installs the broken tooth on the axle sleeve, the front portion and the rear portion of pivot rotate respectively and support on preceding supporting arm and back supporting arm, and the pivot front and back level extends, the swing casing is located the rear side of the arm portion of mining machine rocking arm, the place ahead of preceding supporting arm, the rear end of a drive gear in the mining machine rocking arm passes the back lateral wall entering of arm portion the inner chamber of swing casing, the front end of pivot passes preceding supporting arm to through the transmission system in the swing casing inner chamber with drive gear's rear end transmission is connected, the relative preceding supporting arm fixed connection of swing casing, the front portion of swing casing is articulated with the relative arm portion of circular tang structure, the circular spigot structure is coaxial with the transmission gear, the transmission gear is not coaxial with the rotating shaft, one end of the sliding seat is provided with a front groove and a rear groove, notches of the front groove and the rear groove are forward and backward respectively, the front groove and the rear groove are arc grooves taking the axis of the transmission gear as the axis, one side of a roller part of the mining machine rocker arm is fixed with a front pressing plate and a rear pressing plate, the front pressing plate and the rear pressing plate are respectively provided with a front convex arc surface and a rear convex arc surface taking the axis of the transmission gear as the axis, the outer side groove walls of the front groove and the rear groove are respectively in sliding fit with the front convex arc surface and the rear convex arc surface, the front side and the rear side of the sliding seat are respectively provided with a front oil cylinder and a rear oil cylinder, one end of the front oil cylinder and one end of.
2. The sliding type crushing mechanism with rocker arm power of claim 1, wherein: the side surface of the roller of the mining machine rocker arm is provided with an inner concave arc surface, the inner concave arc surface is a cylindrical surface taking the axis of the transmission gear as the axis, and the outer side surface of the sliding seat is limited on one side of the inner concave arc surface.
3. The sliding type crushing mechanism with rocker arm power of claim 1, wherein: the front portion and the rear portion of the rotating shaft are supported on the front supporting arm and the rear supporting arm through bearings respectively, inner end covers are installed on one sides, close to each other, of the front supporting arm and the rear supporting arm 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.
4. The sliding type crushing mechanism with rocker arm power of claim 3, 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.
5. The sliding type crushing mechanism with rocker arm power of claim 1, wherein: a protective cover is arranged on the sliding seat and covers the upper side of the crushing tooth assembly.
6. The swing arm powered sliding crusher mechanism as claimed in claim 3, 4 or 5 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 swinging shell, a journal is arranged between the front section of external gear and the rear section of external gear, and the journal is supported on the shell of the mining machine rocker arm through an arm support bearing.
7. The sliding type crushing mechanism with rocker arm power of claim 6, wherein: the inner cavity of the swing shell is internally provided with a transition gear, the transition gear is externally meshed with the rear section outer gear of the transmission gear, the transition gear is provided with an inner spline, the inner spline is matched with an outer spline on one transition sleeve to form spline connection, and the inner spline of the transition sleeve is matched with an outer spline arranged at the front end of the rotating shaft to form spline connection.
8. The sliding type crushing mechanism with rocker arm power of claim 7, wherein: still the cover is equipped with auxiliary positioning sleeve outward to the transition cover, has radial clearance between transition cover and the auxiliary positioning sleeve, be connected through circular tang structure location between the outer end cover on auxiliary positioning sleeve's rear end and the preceding support arm, and the junction sets up radial seal, be connected through circular tang structure location between the front end of auxiliary positioning sleeve and the rear end of swing casing or the rear portion fixed mounting's of swing casing bearing end cover, and the junction sets up radial seal.
9. The sliding type crushing mechanism with rocker arm power of claim 8, wherein: an end cover is fixed on the rear side wall of the arm frame part, the end cover axially limits the arm frame bearing, and the front end of the swinging shell is hinged on the end cover through a circular spigot structure.
10. The swing arm powered sliding crusher mechanism as claimed in claim 1, 2, 3, 4, 5, 6, 7, 8 or 9 wherein: the swing shell is provided with an arc-shaped through hole which is communicated from front to back and takes the axis of the transmission gear as the axis, the arc-shaped through hole is a stepped hole which is narrow in front and wide in back, a stepped press block which is small in front and large in back is fixed on the end cover, the press block is matched with the stepped surface between the arc-shaped through hole to axially limit the swing shell, and a lateral gap is kept between the press block and the side wall of the arc-shaped through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110300041.2A CN112855150A (en) | 2021-03-22 | 2021-03-22 | Sliding type crushing mechanism with rocker arm power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110300041.2A CN112855150A (en) | 2021-03-22 | 2021-03-22 | Sliding type crushing mechanism with rocker arm power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112855150A true CN112855150A (en) | 2021-05-28 |
Family
ID=75993706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110300041.2A Pending CN112855150A (en) | 2021-03-22 | 2021-03-22 | Sliding type crushing mechanism with rocker arm power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112855150A (en) |
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2021
- 2021-03-22 CN CN202110300041.2A patent/CN112855150A/en active Pending
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