CN118268067A - Large-block mineral material crusher - Google Patents
Large-block mineral material crusher Download PDFInfo
- Publication number
- CN118268067A CN118268067A CN202410706866.8A CN202410706866A CN118268067A CN 118268067 A CN118268067 A CN 118268067A CN 202410706866 A CN202410706866 A CN 202410706866A CN 118268067 A CN118268067 A CN 118268067A
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- Prior art keywords
- plate
- frame
- spring
- groove
- pick
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- 239000000463 material Substances 0.000 title claims abstract description 106
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 88
- 239000011707 mineral Substances 0.000 title claims abstract description 88
- 230000002093 peripheral effect Effects 0.000 claims description 38
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/02—Jaw crushers or pulverisers
- B02C1/04—Jaw crushers or pulverisers with single-acting jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/14—Stamping mills
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The application relates to the technical field of crushing equipment, and particularly discloses a large-block mineral material crusher, which comprises a frame, an eccentric shaft, a movable jaw plate, a fixed jaw plate, a driving unit, a crushing pick and a hammer pressing mechanism, wherein the frame is provided with a plurality of movable jaw plates; the movable jaw plate and the fixed jaw plate are both arranged in the frame, the eccentric shaft penetrates through the frame, the driving unit drives the eccentric shaft to rotate, and the eccentric shaft drives the movable jaw plate to reciprocate towards the fixed jaw plate; the top of the frame is provided with a first side plate, a second side plate and a back plate, the back plate is positioned on the same side of the first side plate and the second side plate and above the movable jaw plate, and the first side plate, the second side plate and the back plate are arranged around the movable jaw plate and the fixed jaw plate; install the roof between first curb plate, second curb plate and the backplate top, broken sharp pick wears to locate in the roof, and broken sharp pick is between movable jaw and the fixed jaw towards, and hammer press mechanism installs on the roof, and hammer press mechanism is used for hammering broken sharp pick downward movement. The application has the effect of improving the crushing convenience of massive mineral materials.
Description
Technical Field
The invention relates to the technical field of crushing equipment, in particular to a large-block mineral material crusher.
Background
In mineral material crushing, mineral materials are conveyed to a top opening between a movable jaw plate and a fixed jaw plate through a conveying belt, the mineral materials enter the space between the movable jaw plate and the fixed jaw plate, the movable jaw plate moves towards the fixed jaw plate, and the movable jaw plate and the fixed jaw plate are matched for extrusion to crush the massive mineral materials.
Aiming at the related art, when the conveying belt conveys mineral materials to the space between the movable jaw plate and the fixed jaw plate and encounters large-block mineral materials, the large-block mineral materials are larger than the openings of the movable jaw plate and the fixed jaw plate, the large-block mineral materials are easy to block above the openings of the movable jaw plate and the fixed jaw plate, and at the moment, workers are required to knock the end parts of the large-block mineral materials through the hammer to knock the large-block mineral materials into pieces, so that the large-block mineral materials are crushed into the space which can enter the space between the movable jaw plate and the fixed jaw plate, and the jaw crusher is troublesome in crushing the large-block mineral materials.
Disclosure of Invention
The application provides a large-block mineral material crusher in order to improve the convenience of crushing large-block mineral materials.
The application provides a large block mineral material crusher, which adopts the following technical scheme:
A large block mineral material crusher comprises a frame, an eccentric shaft, a movable jaw plate, a fixed jaw plate, a driving unit, a crushing pick and a hammer pressing mechanism; the movable jaw plate and the fixed jaw plate are both arranged in the frame, the eccentric shaft penetrates through the frame, the driving unit is arranged in the frame and used for driving the eccentric shaft to rotate, and the eccentric shaft drives the movable jaw plate to swing back and forth towards the fixed jaw plate; the top of the frame is provided with a first side plate, a second side plate and a back plate, the first side plate and the second side plate are respectively positioned on two sides of the movable jaw plate and the fixed jaw plate, the back plate is positioned on the same side of the first side plate and the second side plate and above the movable jaw plate, and the first side plate, the second side plate and the back plate are arranged around the movable jaw plate and the fixed jaw plate; the utility model discloses a hammer, including backplate, movable jaw, fixed jaw, hammer press mechanism, first curb plate, second curb plate, backplate top, broken sharp pick, install the roof between the first curb plate the second curb plate with install the roof between the backplate top, broken sharp pick wears to locate in the roof, broken sharp pick orientation movable jaw with between the fixed jaw, hammer press mechanism install in on the roof, hammer press mechanism is used for hammering broken sharp pick downward movement.
Optionally, the top of the fixed jaw plate is connected with a supporting plate, the top of the supporting plate is connected with a material guiding plate, and the material guiding plate is positioned above the fixed jaw plate; the guide plate is arranged in the frame, and one end of the guide plate is lapped on the side edge of the guide plate, which is far away from the back plate.
Optionally, the peripheral surface of the crushing pick is slidably sleeved with a slip ring, the slip ring is located above the top plate, the peripheral surface of the crushing pick is fixedly connected with a fixing ring, and the fixing ring is located above the slip ring; the crushing pick is characterized in that a first spring is sleeved on the peripheral surface of the crushing pick, one end of the first spring is pressed on the top surface of the slip ring, and the other end of the first spring is pressed on the bottom surface of the fixed ring.
Optionally, the hammer pressing mechanism comprises a first hydraulic cylinder, a supporting seat, a rotating shaft, a rotating plate, a swinging plate, an impact hammer and a driving assembly; the two first hydraulic cylinders are arranged, the two first hydraulic cylinders are mounted on the outer side face of the back plate, and the piston rods of the first hydraulic cylinders face upwards; the two supporting seats are respectively arranged at the end parts of piston rods of the two first hydraulic cylinders; the two ends of the rotating shaft are respectively connected into the two supporting seats in a rotating way, the rotating plate is connected with the rotating shaft, the swinging plate is hinged into the end part of the rotating plate, and the impact hammer is connected with the end part of the swinging plate; the side surfaces, close to the crushing pointed picks, of the two supporting seats are connected with connecting plates, lifting plates are connected between the end parts of the two connecting plates, the crushing pointed picks penetrate through the lifting plates, and the lifting plates are positioned above the fixing rings; the top of the crushing pick is connected with a hammering part for hammering the impact hammer, and the hammering part is positioned above the lifting plate; the driving assembly is arranged on the frame and used for driving the rotating shaft to rotate.
Optionally, a first pressure sensor is installed on the top surface of the fixing ring, and the first pressure sensor is located below the lifting plate.
Optionally, the driving assembly comprises a first mounting plate, a second hydraulic cylinder, a bearing, a fixed sleeve, a movable shaft, a first belt wheel, a second belt wheel, a first belt strip and a tensioning piece; one end of the first mounting plate is connected to the side surface of the frame, the other end of the first mounting plate is bent upwards, the second hydraulic cylinder is mounted on the side surface of the end part of the first mounting plate, which is far away from the frame, and one end of the movable shaft is rotatably connected to the end part of a piston rod of the second hydraulic cylinder; the end part of the eccentric shaft, which is close to the first mounting plate, is connected with a spline shaft, and the end part of the movable shaft, which is close to the spline shaft, is provided with a spline groove for inserting the spline shaft; the fixed sleeve slides on the peripheral surface of the movable shaft, the inner wall of the fixed sleeve is connected with a guide strip, and the peripheral surface of the movable shaft is provided with a guide groove for the guide strip to slide; the bearing inner ring is connected to the outer peripheral surface of the fixed sleeve, the outer peripheral surface of the bearing outer ring is connected with a connecting plate, and the connecting plate is connected to the side surface of the first mounting plate; the first belt pulley is coaxially connected to the outer peripheral surface of the fixed sleeve, the second belt pulley is coaxially connected to the end part of the rotating shaft, and the first belt strip is wound on the first belt pulley and the second belt pulley; the tensioning piece is arranged on the side face of the frame and used for keeping the first belt strip under tension.
Optionally, the tensioning piece comprises a second mounting plate, a guide plate, a tensioning wheel, a tension spring, a first connecting frame and a second connecting frame; the second mounting plate is mounted on the side face of the frame, the guide plate slides in the second mounting plate, the tensioning wheel is rotatably connected to the end part of the guide plate, and the first belt strip is wound on the tensioning wheel; the first connecting frame is arranged at the end part of the guide plate, which is close to the tensioning wheel, and the second connecting frame is arranged on the side surface of the frame; one end of the tension spring is connected to the first connecting frame, and the other end of the tension spring is connected to the second connecting frame.
Optionally, a first groove is formed in the inner side surface of the back plate, a first contact plate is arranged in the first groove, a first sliding rod is connected to the side surface, close to the first groove, of the first contact plate, the first sliding rod penetrates through the back plate, a first limiting ring is sleeved on the peripheral surface of the first sliding rod, the first limiting ring is located on the outer side of the back plate, and the first limiting ring is connected to the outer side surface of the back plate through a supporting plate; the side surface, close to the back plate, of the first limiting ring is connected with a second pressure sensor, a second spring is sleeved on the peripheral surface of the first sliding rod, one end of the second spring is pressed on the side surface, close to the first sliding rod, of the first contact plate, and the other end of the second spring is pressed on the surface of the second pressure sensor; the first contact plate is used for contacting the end part of the massive mineral material.
Optionally, a second groove is formed in the top surface of the material guiding plate, a second contact plate is arranged in the second groove, a second sliding rod is connected to the bottom surface of the second contact plate, the second sliding rod penetrates through the material guiding plate, a second limiting ring is sleeved on the peripheral surface of the second sliding rod, the second limiting ring is located below the material guiding plate, and the second limiting ring is connected to the bottom surface of the material guiding plate through a supporting plate; the top surface of the second limiting ring is connected with a third pressure sensor, a third spring is sleeved on the peripheral surface of the second sliding rod, one end of the third spring is pressed against the bottom surface of the second contact plate, and the other end of the third spring is pressed against the surface of the third pressure sensor; the second contact plate is used for contacting the end part of the massive mineral material.
Optionally, a third groove is formed in the inner side surface of the back plate, the third groove is located below the first groove, the third groove faces the second groove, a third contact plate is arranged in the third groove, a third sliding rod is connected to the side surface, close to the third groove, of the third contact plate, the third sliding rod penetrates through the back plate, a third limiting ring is sleeved on the peripheral surface of the third sliding rod, the third limiting ring is located on the outer side of the back plate, and the third limiting ring is connected to the outer side surface of the back plate through a supporting plate; a fourth pressure sensor is connected to the side surface, close to the back plate, of the third limiting ring, a fourth spring is sleeved on the peripheral surface of the third sliding rod, one end of the fourth spring is tightly pressed on the side surface, close to the third sliding rod, of the third contact plate, and the other end of the fourth spring is tightly pressed on the surface of the fourth pressure sensor; the third contact plate is used for contacting the end part of the massive mineral material.
In summary, the present application includes at least one of the following beneficial technical effects:
1. When the large-block mineral materials move to the tops of the movable jaw plate and the fixed jaw plate, the hammer pressing mechanism hammers the tops of the crushing tip picks, the crushing tip picks downwards move to impact the end parts of the large-block mineral materials, and the hammer pressing mechanism continuously hammers the top ends of the crushing tip picks until the crushing tip picks crush the large-block mineral materials, so that the crushed mineral materials can enter between the movable jaw plate and the fixed jaw plate, the movable jaw plate and the fixed jaw plate crush the mineral materials further, the manual beating is not needed, and the convenience of crushing the large-block mineral materials can be improved;
2. When the large-block mineral materials are clamped at the tops of the movable jaw plate and the fixed jaw plate, the first hydraulic cylinder drives the supporting seat to descend, the first supporting seat drives the connecting plate and the lifting plate to descend, the hammering part descends along with the lifting plate, and the hammering part descends together with the crushing tip pick, and the crushing tip pick gradually stretches into the space between the first side plate and the second side plate until the end part of the crushing tip pick contacts the large-block mineral materials; the driving assembly drives the rotating shaft to rotate, the rotating shaft drives the rotating plate to rotate, the rotating plate drives the swinging plate to rotate, the swinging plate drives the impact hammer to strike the top end of the hammering part, the hammering part transmits force to the massive mineral materials through the crushing pick, and the swinging plate rotates around the end part of the rotating plate due to the limitation of the hammering part, so that the swinging plate passes over the hammering part, and the rotating shaft conveniently swings the swinging plate again through the rotating plate; the swinging plate drives the impact hammer to impact the hammering part;
3. When the rotating shaft needs to be driven to rotate, the second hydraulic cylinder drives the movable axial spline shaft to approach, the movable shaft slides with the fixed sleeve through the guide bar, so that the spline shaft is inserted into the spline groove, the driving unit drives the eccentric shaft to rotate, the eccentric shaft drives the movable shaft to rotate through the spline shaft, the movable shaft rotates at the end part of a piston rod of the second hydraulic cylinder, the movable shaft drives the fixed sleeve to rotate through the guide bar, the fixed sleeve drives the first belt pulley to rotate through the bearing, and the first belt pulley drives the second belt pulley to rotate through the first belt bar, and the second belt pulley drives the rotating shaft to rotate; when the rotating shaft is not required to be driven to rotate, the second hydraulic cylinder drives the movable shaft to be far away from the spline shaft, so that the spline shaft is separated from the spline groove, and the rotation of the rotating shaft can be relieved.
Drawings
FIG. 1 is a schematic view of a crusher according to an embodiment of the application;
FIG. 2 is a schematic view of another view of a crusher according to an embodiment of the application;
FIG. 3 is a schematic cross-sectional view of a crusher according to an embodiment of the application;
FIG. 4 is an enlarged schematic view of the portion A in FIG. 3;
FIG. 5 is an enlarged schematic view of the portion B of FIG. 3;
FIG. 6 is an enlarged schematic view of the portion C of FIG. 1;
FIG. 7 is a schematic diagram of a driving assembly according to an embodiment of the present application;
fig. 8 is an enlarged schematic view of the portion D in fig. 2.
Reference numerals illustrate:
1. A frame; 11. an eccentric shaft; 12. a movable jaw plate; 13. a fixed jaw plate; 14. a first side plate; 15. a second side plate; 16. a back plate; 161. a first groove; 162. a first contact plate; 163. a first slide bar; 164. a first stop collar; 165. a second pressure sensor; 166. a second spring; 167. a first stop lever; 168. a third groove; 169. a third contact plate; 1610. a third slide bar; 1611. a third limiting ring; 1612. a fourth pressure sensor; 1613. a fourth spring; 1614. a third limit rod; 17. a top plate; 171. a third hydraulic cylinder; 172. a first compacting plate; 173. a fifth hydraulic cylinder; 174. a second compacting plate; 18. a support plate; 19. a material guide plate; 191. a second groove; 192. a second contact plate; 193. a second slide bar; 194. a second limiting ring; 195. a third pressure sensor; 196. a third spring; 197. a second limit rod; 110. a guide plate; 1101. a fourth hydraulic cylinder; 1102. a pushing plate; 2. a driving unit; 21. a driving motor; 22. a third pulley; 23. a fourth pulley; 24. a second belt strip; 3. crushing a pointed pick; 31. a slip ring; 32. a fixing ring; 321. a first pressure sensor; 33. a first spring; 34. a hammering unit; 4. a hammer pressing mechanism; 41. a first hydraulic cylinder; 42. a support base; 421. a connecting plate; 422. a lifting plate; 43. a rotating shaft; 44. a rotating plate; 45. a swinging plate; 46. a percussion hammer; 47. a drive assembly; 471. a first mounting plate; 472. a second hydraulic cylinder; 473. a bearing; 4731. a connecting plate; 474. a fixed sleeve; 4741. a guide bar; 475. a movable shaft; 4751. spline grooves; 4752. a guide groove; 476. a first strip of tape; 4761. a first pulley; 4762. a second pulley; 478. a tension member; 4781. a second mounting plate; 4782. a guide plate; 4783. a tensioning wheel; 4784. a tension spring; 4785. a first connection frame; 4786. a second connecting frame; 479. and (3) a spline shaft.
Detailed Description
The application is described in further detail below with reference to fig. 1-8.
The embodiment of the application discloses a large-block mineral material crusher. Referring to fig. 1 to 8, the crusher comprises a frame 1, an eccentric shaft 11, a movable jaw 12, a fixed jaw 13, a driving unit 2, a crushing pick 3 and a hammer press mechanism 4; the movable jaw plate 12 and the fixed jaw plate 13 are both arranged in the frame 1, the eccentric shaft 11 penetrates through the frame 1, the driving unit 2 is arranged in the frame 1, the driving unit 2 is used for driving the eccentric shaft 11 to rotate, and the eccentric shaft 11 drives the movable jaw plate 12 to reciprocate towards the fixed jaw plate 13; the top of the frame 1 is provided with a first side plate 14, a second side plate 15 and a back plate 16, the first side plate 14 and the second side plate 15 are respectively positioned on two sides of the movable jaw plate 12 and the fixed jaw plate 13, the back plate 16 is positioned on the same side of the first side plate 14 and the second side plate 15 and above the movable jaw plate 12, and the first side plate 14, the second side plate 15 and the back plate 16 are arranged around the movable jaw plate 12 and the fixed jaw plate 13; a top plate 17 is arranged between the tops of the first side plate 14, the second side plate 15 and the back plate 16, the crushing tip pick 3 is arranged in the top plate 17 in a penetrating mode, the crushing tip pick 3 faces between the movable jaw plate 12 and the fixed jaw plate 13, the hammer pressing mechanism 4 is arranged on the top plate 17, and the hammer pressing mechanism 4 is used for hammering the crushing tip pick 3 to move downwards.
When big massive mineral materials move to movable jaw 12 and fixed jaw 13 top, hammer press 4 hammer presses broken point pick 3 tops, and broken point pick 3 downward movement strikes big massive mineral materials tip, and hammer press 4 constantly hammers broken point pick 3 top until broken point pick 3 bumps big massive mineral materials to smash for mineral materials can enter into between movable jaw 12 and the fixed jaw 13 after the collision is smashed, and movable jaw 12 and fixed jaw 13 need not to beat the mineral materials through the manual work and beat, can improve the broken convenience of big massive mineral materials.
As shown in fig. 3 and 5, the top of the fixed jaw 13 is connected with a supporting plate 18, the top of the supporting plate 18 is connected with a guide plate 19 which inclines from top to bottom between the movable jaw 12 and the fixed jaw 13, and the guide plate 19 is positioned above the fixed jaw 13; a guide plate 110 is arranged in the frame 1, one end of the guide plate 110 is lapped on the side edge of the guide plate 19, which is far away from the fixed jaw plate 13, the other end of the guide plate 110 faces to the side, which is far away from the back plate 16, of the guide plate 110, and the guide plate 110 inclines to the side of the guide plate 19 from top to bottom; the guide plate 110 is connected to an external conveyor belt; the massive mineral materials are conveyed into the frame 1 by an external conveyor belt and slide between the movable jaw 12 and the fixed jaw 13 by a guide plate 110 and a guide plate 19.
As shown in fig. 1,3 and 6, the peripheral surface of the crushing pick 3 is slidably sleeved with a slip ring 31, the slip ring 31 is positioned above the top plate 17, the peripheral surface of the crushing pick 3 is fixedly connected with a fixed ring 32, and the fixed ring 32 is positioned above the slip ring 31; the periphery of the crushing pick 3 is sleeved with a first spring 33, one end of the first spring 33 is pressed on the top surface of the slip ring 31, and the other end of the first spring 33 is pressed on the bottom surface of the fixed ring 32.
The crushing tip pick 3 penetrates through the top plate 17, the first spring 33 supports the fixed ring 32 through the slip ring 31, and when the hammer pressing mechanism 4 hammers the top end of the crushing tip pick 3, the crushing tip pick 3 moves downwards, and the lower end of the crushing tip pick 3 impacts large-block mineral materials; simultaneously, the slip ring 31 contacts the top surface of the top plate 17, and the fixed ring 32 moves towards the slip ring 31, so that the first spring 33 is compressed; after the impact is finished, the crushing pick 3 pushes the fixed ring 32 under the action of elastic potential energy of the first spring 33, and the fixed ring 32 drives the crushing pick 3 to move upwards for resetting.
The hammer press mechanism 4 includes a first hydraulic cylinder 41, a support base 42, a rotation shaft 43, a rotation plate 44, a swing plate 45, a hammer 46, and a drive assembly 47; two first hydraulic cylinders 41 are arranged, the two first hydraulic cylinders 41 are arranged on the outer side surface of the back plate 16, and the piston rods of the first hydraulic cylinders 41 face upwards; the two supporting seats 42 are arranged, and the two supporting seats 42 are respectively arranged at the end parts of piston rods of the two first hydraulic cylinders 41; the two ends of the rotating shaft 43 are respectively and rotatably connected in the two supporting seats 42, the rotating plate 44 is connected to the middle position of the rotating shaft 43, the swinging plate 45 is hinged in the end part of the rotating plate 44, and the impact hammer 46 is connected to the end part of the swinging plate 45; the side surfaces of the two supporting seats 42, which are close to the crushing pick 3, are connected with connecting plates 421, lifting plates 422 are connected between the end parts of the two connecting plates 421, the crushing pick 3 passes through the lifting plates 422, and the lifting plates 422 are positioned above the fixed rings 32; the top of the crushing pick 3 is connected with a hammering part 34 for hammering the impact hammer 46, and the hammering part 34 is positioned above the lifting plate 422; a driving assembly 47 is mounted on the frame 1, and the driving assembly 47 is used for driving the rotating shaft 43 to rotate.
When the large-block mineral materials are clamped at the tops of the movable jaw plate 12 and the fixed jaw plate 13, the first hydraulic cylinder 41 drives the supporting seat 42 to descend, the first supporting seat 42 drives the connecting plate 421 and the lifting plate 422 to descend, the hammering part 34 descends along with the lifting plate 422, the hammering part 34 descends together with the crushing tip pick 3, and the crushing tip pick 3 gradually stretches into the space between the first side plate 14 and the second side plate 15 until the end part of the crushing tip pick 3 contacts the large-block mineral materials; the driving assembly 47 drives the rotating shaft 43 to rotate, the rotating shaft 43 drives the rotating plate 44 to rotate, the rotating plate 44 drives the swinging plate 45 to rotate, the swinging plate 45 drives the impact hammer 46 to impact the top end of the hammering part 34, the hammering part 34 transmits force to large-block mineral materials through the crushing pick 3, and the swinging plate 45 rotates around the end of the rotating plate 44 due to the limitation of the hammering part 34, so that the swinging plate 45 passes over the hammering part 34, and the rotating shaft 43 conveniently swings the swinging plate 45 again through the rotating plate 44; the swing plate 45 in turn drives the impact hammer 46 impact portion 34 of the impact hammer 46.
When the large-block mineral materials are crushed, the first hydraulic cylinder 41 drives the supporting seat 42 to lift, the supporting seat 42 drives the connecting plate 421 and the lifting plate 422 to lift, when the lifting plate 422 contacts the hammering part 34, the lifting plate 422 lifts the hammering part 34 upwards, the hammering part 34 drives the crushing pick 3 to lift, the bottom end of the crushing pick 3 is gradually close to the top plate 17, and blocking of the crushing pick 3 to subsequent mineral materials is relieved.
The top surface of the fixed ring 32 is provided with a first pressure sensor 321, and the first pressure sensor 321 is positioned below the lifting plate 422; when the crushing tip pick 3 moves downwards, the crushing tip pick 3 drives the fixed ring 32 to move downwards until the crushing tip pick 3 contacts large-block mineral materials, the crushing tip pick 3 stops moving downwards, the lifting plate 422 continues to move downwards, the lifting plate 422 contacts the first pressure sensor 321, the first pressure sensor 321 detects a pressure signal, the first pressure sensor 321 transmits the pressure signal to a terminal, and the terminal controls the first hydraulic cylinder 41 to stop driving the supporting seat 42 to descend.
The drive assembly 47 includes a first mounting plate 471, a second hydraulic cylinder 472, a bearing 473, a stationary sleeve 474, a movable shaft 475, a first pulley 4761, a second pulley 4762, a first belt strip 476, and a tensioner 478; one end of the first mounting plate 471 is connected to the side surface of the frame 1, the other end of the first mounting plate 471 is bent upwards by 90 degrees, the second hydraulic cylinder 472 is mounted on the side surface of the end part of the first mounting plate 471, which is far away from the frame 1, a piston rod of the second hydraulic cylinder 472 faces the frame 1, and one end of the movable shaft 475 is connected to the end part of the piston rod of the second hydraulic cylinder 472 in a rotating mode; the end of the eccentric shaft 11, which is close to the first mounting plate 471, is connected with a spline shaft 479, and the end of the movable shaft 475, which is close to the spline shaft 479, is provided with a spline groove 4751 for inserting the spline shaft 479; the fixed sleeve 474 slides on the peripheral surface of the movable shaft 475, four guide strips 4741 are connected to the inner wall of the fixed sleeve 474, the four guide strips 4741 are uniformly distributed around the circumference of the fixed sleeve 474, and a guide groove 4752 for the guide strips 4741 to slide is formed on the peripheral surface of the movable shaft 475; the inner ring of the bearing 473 is connected to the outer circumferential surface of the fixed sleeve 474, the outer circumferential surface of the bearing 473 is connected with a connecting plate 4731, and the connecting plate 4731 is connected to the side surface of the first mounting plate 471; the first belt pulley 4761 is coaxially connected to the outer circumferential surface of the fixed sleeve 474, the second belt pulley 4762 is coaxially connected to the end of the rotating shaft 43, and the first belt strap 476 is wound on the first belt pulley 4761 and the second belt pulley 4762; a tensioning member 478 is mounted to the side of the frame 1, the tensioning member 478 being configured to maintain the first strap 476 under tension.
When the rotation shaft 43 needs to be driven to rotate, the second hydraulic cylinder 472 drives the movable shaft 475 to approach the spline shaft 479, and the movable shaft 475 slides with the fixed sleeve 474 through the guide strip 4741, so that the spline shaft 479 is inserted into the spline groove 4751; the driving unit 2 drives the eccentric shaft 11 to rotate, the eccentric shaft 11 drives the movable shaft 475 to rotate through the spline shaft 479, the movable shaft 475 rotates at the end part of a piston rod of the second hydraulic cylinder 472, the movable shaft 475 drives the fixed sleeve 474 to rotate through the guide strip 4741, the fixed sleeve 474 drives the first belt pulley 4761 to rotate through the bearing 473, the first belt pulley 4761 drives the second belt pulley 4762 to rotate through the first belt strip 476, and the second belt pulley 4762 drives the rotating shaft 43 to rotate; when the rotation of the rotation shaft 43 is not required to be driven, the second hydraulic cylinder 472 drives the movable shaft 475 away from the spline shaft 479, and the spline shaft 479 is separated from the spline groove 4751, so that the rotation of the rotation shaft 43 can be released.
As shown in fig. 1 and 8, the tensioning member 478 includes a second mounting plate 4781, a guide plate 4782, a tensioning wheel 4783, a tension spring 4784, a first connection frame 4785, and a second connection frame 4786; the second mounting plate 4781 is mounted on the side surface of the frame 1, the guide plate 4782 slides in the second mounting plate 4781, the tensioning wheel 4783 is rotatably connected to the end part of the guide plate 4782, and the first belt strip 476 is wound on the tensioning wheel 4783; the first connecting frame 4785 is arranged at the end part of the guide plate 4782, which is close to the tensioning wheel 4783, and the second connecting frame 4786 is arranged on the side surface of the frame 1; one end of the tension spring 4784 is connected to the first connecting frame 4785, and the other end of the tension spring 4784 is connected to the second connecting frame 4786.
Since the rotation shaft 43 is up and down, in order to maintain tension between the first pulley 4761 and the second pulley 4762 and the first belt strip 476; when the rotating shaft 43 ascends, the first belt strips 476 pull the tensioning wheels 4783, the tensioning wheels 4783 pull the guide plates 4782 to slide in the second mounting plates 4781, the guide plates 4782 drive the first connecting frames 4785 to move, and the first connecting frames 4785 drive the tension springs 4784 to stretch; when the rotating shaft 43 descends, the tension spring 4784 pulls the first connecting frame 4785, the first connecting frame 4785 drives the guide plate 4782, the guide plate 4782 drives the tensioning wheel 4783 to move towards the second mounting plate 4781, and the tensioning wheel 4783 tightens the first belt strip 476.
As shown in fig. 2 to 4, a first groove 161 is formed in the inner side surface of the back plate 16, a first contact plate 162 is arranged in the first groove 161, a first sliding rod 163 is connected to the middle position of the side surface of the first contact plate 162, which is close to the first groove 161, the first sliding rod 163 penetrates through the back plate 16, a first limiting ring 164 is sleeved on the peripheral surface of the first sliding rod 163, the first limiting ring 164 is positioned on the outer side of the back plate 16, and the first limiting ring 164 is connected to the outer side surface of the back plate 16 through a supporting plate; the side surface of the first limiting ring 164, which is close to the back plate 16, is connected with a second pressure sensor 165, a second spring 166 is sleeved on the peripheral surface of the first sliding rod 163, one end of the second spring 166 is pressed on the side surface of the first contact plate 162, which is close to the first sliding rod 163, and the other end of the second spring 166 is pressed on the surface of the second pressure sensor 165; the peripheral surface of the end part of the first sliding rod 163 is connected with a first limiting rod 167, the first limiting rod 167 is positioned at one side of the first limiting ring 164 far away from the second spring 166, and the first limiting rod 167 is used for limiting the first sliding rod 163 to excessively slide towards the inner side of the back plate 16; the first contact plate 162 is used for contacting the end of the large block-shaped mineral material, and in the initial state, the second spring 166 ejects the first contact plate 162 out of the first groove 161, and the first contact plate 162 is not contacted with the bottom of the first groove 161.
When the large and long massive mineral materials lie flat above the movable jaw 12 and the fixed jaw 13, one part of the massive mineral materials are overlapped above the guide plate 110, the other end part of the massive mineral materials is suspended above the movable jaw 12 and the fixed jaw 13, the end part of the massive mineral materials is abutted to the surface of the first contact plate 162, the first contact plate 162 drives the first sliding rod 163 to slide in the first limiting ring 164, the first contact plate 162 extrudes the second spring 166, the second spring 166 applies pressure to the second pressure sensor 165, the second pressure sensor 165 detects a pressure value which is maintained for a long time, the second pressure sensor 165 transmits signals to a terminal, and the terminal controls the hammer pressing mechanism 4 to hammer the crushing pick 3.
The top surface of the material guiding plate 19 is provided with a second groove 191, the second groove 191 is communicated with the side surface of the material guiding plate 19, which is close to the movable jaw plate 12, a second contact plate 192 is arranged in the second groove 191, the bottom surface of the second contact plate 192 is connected with a second slide bar 193, the second slide bar 193 penetrates through the material guiding plate 19, the peripheral surface of the second slide bar 193 is sleeved with a second limiting ring 194, the second limiting ring 194 is positioned below the material guiding plate 19, and the second limiting ring 194 is connected to the bottom surface of the material guiding plate 19 through a support plate; the top surface of the second limiting ring 194 is connected with a third pressure sensor 195, a third spring 196 is sleeved on the peripheral surface of the second sliding rod 193, one end of the third spring 196 is pressed against the bottom surface of the second contact plate 192, and the other end of the third spring 196 is pressed against the surface of the third pressure sensor 195; the peripheral surface of the end part of the second slide bar 193 is connected with a second limiting rod 197, the second limiting rod 197 is positioned at one side of the second limiting ring 194 far away from the third spring 196, and the second limiting rod 197 is used for limiting the second slide bar 193 to excessively slide towards the inner side of the guide plate 19; the second contact plate 192 is used for contacting the end of the massive mineral material, and in the initial state, the third spring 196 ejects the second contact plate 192 out of the second groove 191, and the second contact plate 192 is not contacted with the bottom of the second groove 191.
The inner side surface of the back plate 16 is provided with a third groove 168, the third groove 168 is positioned below the first groove 161, the third groove 168 faces the second groove 191, a third contact plate 169 is arranged in the third groove 168, a third sliding rod 1610 is connected to the middle position of the side surface of the third contact plate 169, which is close to the third groove 168, the third sliding rod 1610 penetrates through the back plate 16, a third limiting ring 1611 is sleeved on the peripheral surface of the third sliding rod 1610, the third limiting ring 1611 is positioned on the outer side of the back plate 16, and the third limiting ring 1611 is connected to the outer side surface of the back plate 16 through a support plate; the side surface of the third limit ring 1611, which is close to the back plate 16, is connected with a fourth pressure sensor 1612, a fourth spring 1613 is sleeved on the peripheral surface of the third slide bar 1610, one end of the fourth spring 1613 is pressed on the side surface of the third contact plate 169, which is close to the third slide bar 1610, and the other end of the fourth spring 1613 is pressed on the surface of the fourth pressure sensor 1612; the peripheral surface of the end part of the third sliding rod 1610 is connected with a third limit rod 1614, the third limit rod 1614 is positioned at one side of the third limit ring 1611 far away from the fourth spring 1613, and the third limit rod 1614 is used for limiting the third sliding rod 1610 to excessively slide towards the inner side of the back plate 16; the third contact plate 169 is used for contacting the end part of the massive mineral material, and in the initial state, the fourth spring 1613 ejects the third contact plate 169 out of the third groove 168, and the third contact plate 169 is not contacted with the bottom of the third groove 168.
When encountering large and short massive mineral materials, the massive mineral materials fall to the position right above the movable jaw 12 and the fixed jaw 13, the massive mineral materials are lapped on the surfaces of the second contact plate 192 and the third contact plate 169, the second contact plate 192 pushes the third spring 196, the second spring 166 presses the third pressure sensor 195, the third contact plate 169 pushes the fourth spring 1613, the fourth spring 1613 presses the fourth pressure sensor 1612, when the third pressure sensor 195 and the fourth pressure sensor 1612 are simultaneously pressed for a long time, the third pressure sensor 195 and the fourth pressure sensor 1612 transmit signals to a terminal, and the terminal controls the hammer pressing mechanism 4 to hammer the crushing pick 3.
The top surface of the top plate 17 is provided with a third hydraulic cylinder 171, a piston rod of the third hydraulic cylinder 171 faces downwards and penetrates through the top plate 17, the end part of the piston rod of the third hydraulic cylinder 171 is connected with a first pressing plate 172, and the first pressing plate 172 is positioned above the end part of the guide plate 110, which is close to the material guide plate 19; when the second pressure sensor 165 senses continuous pressure, the terminal firstly controls the third hydraulic cylinder 171 to drive the first pressing plate 172 to descend, the first pressing plate 172 is pressed down to the upper surface of the massive mineral material, the massive mineral material is stabilized, and the crushing pick 3 is hammered by the hammer pressing mechanism 4.
A fourth hydraulic cylinder 1101 is arranged on the bottom surface of the guide plate 110, a piston rod of the fourth hydraulic cylinder 1101 passes through the guide plate 110, and a pushing plate 1102 is connected to the end part of the piston rod; when the second pressure sensor 165 senses continuous pressure, the fourth hydraulic cylinder 1101 drives the pushing plate 1102 to contact the bottom surface of the massive mineral material, supports the massive mineral material, and simultaneously cooperates with the first pressing plate 172 to press, so that the stability of the massive mineral material is improved, and excessive shaking during hammering is prevented.
A fifth hydraulic cylinder 173 is arranged on the top surface of the top plate 17, the fifth hydraulic cylinder 173 is positioned on one side of the third hydraulic cylinder 171 far away from the crushing pick 3, a piston rod of the fifth hydraulic cylinder 173 penetrates through the top plate 17, a second compacting plate 174 is connected to the end part of the piston rod, and the fourth hydraulic cylinder 1101 is positioned between the third hydraulic cylinder 171 and the fifth hydraulic cylinder 173; when the second pressure sensor 165 senses continuous pressure, the fifth hydraulic cylinder 173 drives the second compacting plate 174 to descend, the second compacting plate 174 compacts on the massive mineral materials, and the first compacting plate 172 is matched with the second compacting plate 174, so that the other end of the massive mineral materials is prevented from tilting when the hammer pressing mechanism 4 hammers the end of the massive mineral materials; when the length of the large-block mineral material is short, the fifth hydraulic cylinder 173 drives the second compacting plate 174 to descend and cannot contact the large-block mineral material, and the piston rod is driven by the fifth hydraulic cylinder to extend for a set length, so that the fifth hydraulic cylinder does not stretch.
The driving unit 2 comprises a driving motor 21, a third belt pulley 22, a fourth belt pulley 23 and a second belt pulley 24, wherein the driving motor 21 is arranged on one side of the frame 1, the third belt pulley is coaxially connected with an output shaft of the driving motor 21, the fourth belt pulley 23 is coaxially connected with the end part of the eccentric shaft 11, which is far away from the spline shaft 479, and the second belt pulley 24 is wound on the third belt pulley 22 and the fourth belt pulley 23; the driving motor 21 drives the third belt wheel 22 to rotate, the third belt wheel 22 drives the eccentric shaft 11 to rotate through the second belt strip 24, the middle part of the eccentric shaft is eccentric, the eccentric shaft 11 rotates around the axis of the end part of the eccentric shaft 11, and the eccentric part of the eccentric shaft 11 pushes the movable jaw 12 to enable the movable jaw 12 to reciprocate towards the fixed jaw 13.
The embodiment of the application relates to a large block mineral material crusher, which comprises the following implementation principles: when big massive mineral materials move to movable jaw 12 and fixed jaw 13 top, hammer press 4 hammer presses broken point pick 3 tops, and broken point pick 3 downward movement strikes big massive mineral materials tip, and hammer press 4 constantly hammers broken point pick 3 top until broken point pick 3 bumps big massive mineral materials to smash for mineral materials can enter into between movable jaw 12 and the fixed jaw 13 after the collision is smashed, and movable jaw 12 and fixed jaw 13 need not to beat the mineral materials through the manual work and beat, can improve the broken convenience of big massive mineral materials.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. A massive mineral material crusher, characterized in that: comprises a frame (1), an eccentric shaft (11), a movable jaw plate (12), a fixed jaw plate (13), a driving unit (2), a crushing pick (3) and a hammer pressing mechanism (4); the movable jaw (12) and the fixed jaw (13) are both arranged in the frame (1), the eccentric shaft (11) penetrates through the frame (1), the driving unit (2) is arranged in the frame (1), the driving unit (2) is used for driving the eccentric shaft (11) to rotate, and the eccentric shaft (11) drives the movable jaw (12) to swing back and forth towards the fixed jaw (13); a first side plate (14), a second side plate (15) and a back plate (16) are arranged at the top of the frame (1), the first side plate (14) and the second side plate (15) are respectively positioned at two sides of the movable jaw plate (12) and the fixed jaw plate (13), the back plate (16) is positioned at the same side of the first side plate (14) and the second side plate (15) and above the movable jaw plate (12), and the first side plate (14), the second side plate (15) and the back plate (16) are arranged around the movable jaw plate (12) and the fixed jaw plate (13); install roof (17) between first curb plate (14), second curb plate (15) with backplate (16) top, broken sharp pick (3) wear to locate in roof (17), broken sharp pick (3) orientation movable jaw (12) with between fixed jaw (13), hammer press mechanism (4) install in roof (17), hammer press mechanism (4) are used for hammering broken sharp pick (3) downstream.
2. A massive mineral material breaker according to claim 1, characterized in that: the top of the fixed jaw plate (13) is connected with a supporting plate (18), the top of the supporting plate (18) is connected with a material guide plate (19), and the material guide plate (19) is positioned above the fixed jaw plate (13); guide plate (110) are arranged in frame (1), guide plate (110) one end overlap joint in stock guide (19) keep away from the side of backplate (16).
3. A massive mineral material breaker according to claim 1, characterized in that: the peripheral surface of the crushing tip pick (3) is in sliding sleeve connection with a slip ring (31), the slip ring (31) is positioned above the top plate (17), the peripheral surface of the crushing tip pick (3) is fixedly connected with a fixed ring (32), and the fixed ring (32) is positioned above the slip ring (31); the periphery of the crushing pick (3) is sleeved with a first spring (33), one end of the first spring (33) is pressed on the top surface of the slip ring (31), and the other end of the first spring (33) is pressed on the bottom surface of the fixed ring (32).
4. A massive mineral breaker according to claim 3, characterized in that: the hammering mechanism (4) comprises a first hydraulic cylinder (41), a supporting seat (42), a rotating shaft (43), a rotating plate (44), a swinging plate (45), an impact hammer (46) and a driving assembly (47); the two first hydraulic cylinders (41) are arranged, the two first hydraulic cylinders (41) are arranged on the outer side face of the back plate (16), and the piston rods of the first hydraulic cylinders (41) face upwards; the two supporting seats (42) are arranged, and the two supporting seats (42) are respectively arranged at the end parts of piston rods of the two first hydraulic cylinders (41); the two ends of the rotating shaft (43) are respectively and rotatably connected into the two supporting seats (42), the rotating plates (44) are connected into the rotating shaft (43), the swinging plates (45) are hinged into the end parts of the rotating plates (44), and the impact hammers (46) are connected into the end parts of the swinging plates (45); the two supporting seats (42) are connected with connecting plates (421) close to the side faces of the crushing pick (3), lifting plates (422) are connected between the end parts of the two connecting plates (421), the crushing pick (3) passes through the lifting plates (422), and the lifting plates (422) are positioned above the fixed rings (32); the top of the crushing pick (3) is connected with a hammering part (34) for hammering the impact hammer (46), and the hammering part (34) is positioned above the lifting plate (422); the driving assembly (47) is mounted on the frame (1), and the driving assembly (47) is used for driving the rotating shaft (43) to rotate.
5. A massive mineral material breaker according to claim 4, characterized in that: the top surface of the fixed ring (32) is provided with a first pressure sensor (321), and the first pressure sensor (321) is positioned below the lifting plate (422).
6. A massive mineral material breaker according to claim 4, characterized in that: the driving assembly (47) comprises a first mounting plate (471), a second hydraulic cylinder (472), a bearing (473), a fixed sleeve (474), a movable shaft (475), a first pulley (4761), a second pulley (4762), a first belt strip (476) and a tensioning member (478); one end of the first mounting plate (471) is connected to the side surface of the frame (1), the other end of the first mounting plate (471) is bent upwards, the second hydraulic cylinder (472) is mounted on the side surface of the end part of the first mounting plate (471) far away from the frame (1), and one end of the movable shaft (475) is rotatably connected to the end part of a piston rod of the second hydraulic cylinder (472); the end part of the eccentric shaft (11) close to the first mounting plate (471) is connected with a spline shaft (479), and the end part of the movable shaft (475) close to the spline shaft (479) is provided with a spline groove (4751) for inserting the spline shaft (479); the fixed sleeve (474) slides on the peripheral surface of the movable shaft (475), a guide strip (4741) is connected to the inner wall of the fixed sleeve (474), and a guide groove (4752) for the guide strip (4741) to slide is formed in the peripheral surface of the movable shaft (475); the inner ring of the bearing (473) is connected to the outer circumferential surface of the fixed sleeve (474), the outer circumferential surface of the outer ring of the bearing (473) is connected with a connecting plate (4731), and the connecting plate (4731) is connected to the side surface of the first mounting plate (471); the first belt pulley (4761) is coaxially connected to the outer peripheral surface of the fixed sleeve (474), the second belt pulley (4762) is coaxially connected to the end part of the rotating shaft (43), and the first belt strap (476) is wound on the first belt pulley (4761) and the second belt pulley (4762); the tensioning piece (478) is mounted on the side face of the frame (1), and the tensioning piece (478) is used for keeping the first belt strip (476) under tension.
7. A massive mineral material breaker according to claim 6, characterized in that: the tensioning piece (478) comprises a second mounting plate (4781), a guide plate (4782), a tensioning wheel (4783), a tension spring (4784), a first connecting frame (4785) and a second connecting frame (4786); the second mounting plate (4781) is mounted on the side surface of the frame (1), the guide plate (4782) slides in the second mounting plate (4781), the tensioning wheel (4783) is rotatably connected to the end part of the guide plate (4782), and the first belt strip (476) is wound on the tensioning wheel (4783); the first connecting frame (4785) is arranged at the end part of the guide plate (4782) close to the tensioning wheel (4783), and the second connecting frame (4786) is arranged at the side surface of the frame (1); one end of the tension spring (4784) is connected to the first connecting frame (4785), and the other end of the tension spring (4784) is connected to the second connecting frame (4786).
8. A massive mineral material breaker according to claim 2, characterized in that: the novel back plate comprises a back plate (16), and is characterized in that a first groove (161) is formed in the inner side surface of the back plate (16), a first contact plate (162) is arranged in the first groove (161), a first sliding rod (163) is connected to the side surface, close to the first groove (161), of the first contact plate (162), the first sliding rod (163) penetrates through the back plate (16), a first limiting ring (164) is sleeved on the peripheral surface of the first sliding rod (163), the first limiting ring (164) is located on the outer side of the back plate (16), and the first limiting ring (164) is connected to the outer side surface of the back plate (16) through a supporting plate; the side surface of the first limiting ring (164) close to the back plate (16) is connected with a second pressure sensor (165), a second spring (166) is sleeved on the peripheral surface of the first sliding rod (163), one end of the second spring (166) is tightly pressed on the side surface of the first contact plate (162) close to the first sliding rod (163), and the other end of the second spring (166) is tightly pressed on the surface of the second pressure sensor (165); the first contact plate (162) is for end contact of large block mineral material.
9. A massive mineral material breaker according to claim 8, characterized in that: the top surface of the material guiding plate (19) is provided with a second groove (191), a second contact plate (192) is arranged in the second groove (191), the bottom surface of the second contact plate (192) is connected with a second sliding rod (193), the second sliding rod (193) penetrates through the material guiding plate (19), the peripheral surface of the second sliding rod (193) is sleeved with a second limiting ring (194), the second limiting ring (194) is positioned below the material guiding plate (19), and the second limiting ring (194) is connected to the bottom surface of the material guiding plate (19) through a supporting plate; the top surface of the second limiting ring (194) is connected with a third pressure sensor (195), a third spring (196) is sleeved on the peripheral surface of the second sliding rod (193), one end of the third spring (196) is pressed against the bottom surface of the second contact plate (192), and the other end of the third spring (196) is pressed against the surface of the third pressure sensor (195); the second contact plate (192) is used for end contact of large block mineral materials.
10. A massive mineral material breaker according to claim 9, characterized in that: the inner side of the backboard (16) is provided with a third groove (168), the third groove (168) is located below the first groove (161), the third groove (168) faces the second groove (191), a third contact plate (169) is arranged in the third groove (168), a third sliding rod (1610) is connected to the side surface, close to the third groove (168), of the third contact plate (169), the third sliding rod (1610) penetrates through the backboard (16), a third limiting ring (1611) is sleeved on the peripheral surface of the third sliding rod (1610), the third limiting ring (1611) is located on the outer side of the backboard (16), and the third limiting ring (1611) is connected to the outer side surface of the backboard (16) through a supporting plate; a fourth pressure sensor (1612) is connected to the side surface, close to the back plate (16), of the third limiting ring (1611), a fourth spring (1613) is sleeved on the peripheral surface of the third sliding rod (1610), one end of the fourth spring (1613) is pressed on the side surface, close to the third sliding rod (1610), of the third contact plate (169), and the other end of the fourth spring (1613) is pressed on the surface of the fourth pressure sensor (1612); the third contact plate (169) is used for end contact of large-block mineral materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410706866.8A CN118268067B (en) | 2024-06-03 | 2024-06-03 | Large-block mineral material crusher |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410706866.8A CN118268067B (en) | 2024-06-03 | 2024-06-03 | Large-block mineral material crusher |
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| US20040084557A1 (en) * | 2002-07-04 | 2004-05-06 | Paul Douglas | Crusher machine |
| CN104623936A (en) * | 2013-11-07 | 2015-05-20 | 张民良 | Filtering elements for hydraulically squeezing and extruding out mud cake |
| CN110694719A (en) * | 2018-07-10 | 2020-01-17 | 张家界航空工业职业技术学院 | No-load loading anti-idling jaw crusher |
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