CN112473837A - Crushing and screening system of portable - Google Patents
Crushing and screening system of portable Download PDFInfo
- Publication number
- CN112473837A CN112473837A CN202011277858.4A CN202011277858A CN112473837A CN 112473837 A CN112473837 A CN 112473837A CN 202011277858 A CN202011277858 A CN 202011277858A CN 112473837 A CN112473837 A CN 112473837A
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- Prior art keywords
- crushing
- box
- screening
- fixed
- portable
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4663—Multi-layer screening surfaces
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a portable crushing and screening system which comprises a movable bottom plate, wherein a rotary table is rotatably connected onto the bottom plate through a first motor, a crushing box is fixed onto the rotary table through an electric push rod, four telescopic rods are arranged on the outer side of the electric push rod, and two detachable crushing assemblies are rotatably connected into the crushing box through a second motor; according to the invention, the electric push rod pushes the crushing box to ascend, the first discharge pipe is positioned above the screening box, the first motor drives the crushing box to rotate, the outlet of the first discharge pipe is positioned right above the screening box, a material to be crushed is added into the crushing box through the feed inlet, the material is crushed through rolling of the two crushing assemblies, the crushed material enters the screening box through the first discharge pipe to be screened and is discharged through the second discharge pipe, and when the crusher is used in different areas, the handrail pushes the bottom plate to move, so that convenience is brought to the use in different areas.
Description
Technical Field
The invention belongs to the technical field of crushers, and particularly relates to a convenient crushing and screening system.
Background
The crusher mainly crushes various stones, generally, different crusher types can be selected according to different stone properties, common crusher types comprise jaw crushing, cone crushing and impact crushing, the sizes of stones which can be crushed by the crushers of different types are different, the production yield is different, and generally crushed stones need to be screened in order to save the crushing production efficiency of stones; the crusher is mainly characterized in that a motor drives a rotor to rotate at a high speed, materials uniformly enter a crusher cavity, a high-speed rotary hammer head impacts and cuts and tears the materials to crush the materials, meanwhile, the gravity action of the materials enables the materials to impact an inner baffle plate and a screen bar of a frame body from the high-speed rotary hammer head, the materials larger than the size of a screen hole are retained on a screen plate to continue to be impacted and ground by a hammer until the materials are crushed to required discharge granularity, and finally the materials are discharged out of the crusher through the screen plate.
However, in the prior art, the crusher with the screening function is generally large in size and inconvenient to move after being generally erected, most hammer heads on the crushing roller are fixedly connected with the crushing roller, the hammer heads are worn or damaged after long-term use, the whole crushing roller needs to be detached for maintenance when the hammer heads are maintained or replaced, the operation is complex, and inconvenience is brought to maintenance of the crushing roller.
Therefore, a convenient crushing and screening system is provided to solve the problems in the prior art, so that the system is convenient to move in different areas during use and brings convenience to the maintenance of the crushing roller.
Disclosure of Invention
The invention aims to provide a convenient crushing and screening system, which solves the problems that in the prior art, due to the fact that a crusher with a screening function is generally large in size and inconvenient to move after being generally erected, and due to the fact that most of hammers on a crushing roller are fixedly connected with the crushing roller, after the crusher is used for a long time, the hammers are worn or damaged, the whole crushing roller needs to be disassembled for maintenance when the hammers are maintained or replaced, the operation is complicated, and the inconvenience is brought to the maintenance of the crushing roller, the materials to be crushed are added into a crushing box through a feeding hole, the materials are crushed through the rolling of two crushing assemblies, the crushed materials enter the inside of the screening box through a first discharging pipe for screening and are discharged through a second discharging pipe, and when the crusher is used in different areas, a bottom plate is pushed by a handrail to move, so that convenience is brought to the use of the different areas, and when the hammer is maintained, the limiting plate is rotated by detaching the bolt, so that the bulge on the limiting plate is positioned between the two hammers, the hammer is conveniently detached, maintained and replaced, and the convenience of maintenance of the crushing roller is improved to a certain extent.
In order to achieve the purpose, the invention adopts the following technical scheme:
a portable crushing and screening system comprises a movable bottom plate, wherein a rotary plate is connected to the bottom plate in a rotating mode through a first motor, a crushing box is fixed to the rotary plate through an electric push rod, four telescopic rods are arranged on the outer side of the electric push rod, two detachable crushing assemblies are connected to the inside of the crushing box in a rotating mode through a second motor, a feed inlet is formed in the upper end of the crushing box, a first discharge pipe is arranged on the side wall of the crushing box, a support plate is arranged on one side of the crushing box, two handrails are arranged on one side of the support plate, a screening box is arranged on the other side of the crushing box, three detachable screen meshes are obliquely arranged in the screening box through a fixed plate, three second discharge pipes are respectively arranged on the side wall of the screening box, the lower end of the screening box is connected with the bottom plate in a sliding mode through a support rod, the lower end of the screening box is provided with a vibrating machine.
Preferably, the crushing box comprises a box body and a box cover, the box cover is fixed to the box body through bolts, the feed inlet is located on the box cover, the first discharge pipe is located on the side wall of the box body, and the inner bottom of the box body is arranged on an inclined plane.
Preferably, the crushing subassembly includes crushing roller, tup and limiting plate, the tup is provided with ten groups at least, the tup is T shape setting, the tup with crushing roller sliding connection, just the limiting plate pass through the bolt with the one end of crushing roller is fixed.
Preferably, the confession has been seted up to the one end of crushing roller the one end male recess of tup, just the lateral wall of limiting plate is provided with ten archs at least, the laminating of the one end of bellied one side and tup, the arch is corresponding the setting with the tup.
Preferably, rotating shafts are respectively fixed at two ends of the crushing roller, one end of each rotating shaft is rotatably connected with the crushing box through a bearing, and the other end of one rotating shaft penetrates through one side of the crushing box and is fixed with an output shaft of the second motor.
Preferably, the fixed plate is arranged in an annular shape, the fixed plate is fixed with the inner wall of the screening box, the side surface of the screen is arranged in a T shape, and one side of the fixed plate is provided with a notch for the screen to be embedded.
Preferably, three groups the mesh size of screen cloth is the setting of steadilying decrease, the upper end symmetry of screen cloth is provided with two lugs, the second discharging pipe is located the one end of screen cloth, upside the screen cloth is perpendicular setting, downside with middle screen cloth and incline direction the incline direction of screen cloth of upside is opposite setting.
Preferably, the telescopic link is located the corner of broken case, the one end of telescopic link is fixed with one side of carousel, the other end of telescopic link is fixed with the one end of broken case.
Preferably, the telescopic rod comprises a sleeve, an inner rod, a second compression spring and a stop block, the second compression spring and the stop block are both located inside the sleeve, a through hole for the one end of the inner rod to penetrate is formed in one end of the sleeve, one end of the inner rod is fixed to one side of the stop block, and the second compression spring is located on the other side of the stop block.
Compared with the prior art, the portable crushing and screening system provided by the invention has the following advantages:
1. the invention is characterized in that a turntable is rotatably connected on a movable bottom plate, a crushing box is fixed on the turntable through an electric push rod, two detachable crushing components are rotatably connected inside the crushing box, a screening box is arranged on one side of the crushing box, a screen is embedded inside the screening box through an annular fixed plate, when in use, the electric push rod pushes the crushing box to rise, so that the first discharge pipe is positioned above the screening box, the first motor drives the crushing box to rotate, the outlet of the first discharge pipe is positioned right above the screening box, the materials to be crushed are added into the crushing box through the feeding hole, the materials are crushed through the rolling of the two crushing assemblies, the crushed materials enter the sieving box through the first discharging pipe for sieving, the material is discharged through the second discharge pipe, and when the material is used in different areas, the handrail pushes the bottom plate to move, so that convenience is brought to the use in different areas;
2. the crushing assembly comprises a crushing roller, hammer heads and a limiting plate, wherein rotating shafts are respectively arranged at two ends of the crushing roller, one end of each rotating shaft is rotatably connected with a box body through a bearing, one end of each rotating shaft is driven by a second motor, a groove for inserting one end of each hammer head is formed in one end of the crushing roller, one side of the limiting plate is attached to one side of each hammer head, the limiting plate is fixed to one end of the crushing roller through a bolt, when the hammer heads are maintained, the limiting plate is rotated through disassembling the bolts, protrusions on the limiting plate are located between the two hammer heads, the hammer heads are conveniently disassembled, maintained and replaced, and the convenience in maintenance of the crushing roller is improved to a certain extent.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the crushing box of the present invention;
FIG. 3 is a schematic view of the construction of the crushing roller of the present invention;
FIG. 4 is a schematic view of the internal structure of the screening box of the present invention;
FIG. 5 is a schematic top view of the screening box of the present invention;
FIG. 6 is a schematic view of the internal structure of the telescopic rod of the present invention;
in the figure: 1. a base plate; 2. a first motor; 3. a turntable; 4. a telescopic rod; 5. an electric push rod; 6. a support plate; 7. a handrail; 8. a crushing box; 9. a box cover; 10. a box body; 11. a feed inlet; 12. a crushing assembly; 13. a hammer head; 14. a crushing roller; 15. a limiting plate; 16. a rotating shaft; 17. a protrusion; 18. a first discharge pipe; 19. a second discharge pipe; 20. screening the box; 21. a vibrator; 22. a first compression spring; 23. a support bar; 24. a bearing; 25. a second motor; 26. a fixing plate; 27. screening a screen; 28. a bump; 29. a second compression spring; 30. a stopper; 31. an inner rod; 32. a sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a portable crushing and screening system as shown in figures 1-6, which comprises a movable bottom plate 1, wherein the bottom plate 1 is rotatably connected with a rotary table 3 through a first motor 2, a crushing box 8 is fixed on the rotary table 3 through an electric push rod 5, four telescopic rods 4 are arranged on the outer side of the electric push rod 5, two detachable crushing assemblies 12 are rotatably connected inside the crushing box 8 through a second motor 25, a feeding hole 11 is formed in the upper end of the crushing box 8, a first discharging pipe 18 is arranged on the side wall of the crushing box 8, four universal wheels with a self-locking function are arranged at the lower end of the bottom plate 1, so that the crushing box 8 can be conveniently moved and fixed at different positions during use, the first motor 2 drives the rotary table 3 to rotate, the first discharging pipe 18 is positioned at one side of a screening box 20, the electric push rod 5 can drive the crushing box 8 to descend, and the crushing box 8 is, the occupied space of the device is convenient to reduce;
the telescopic rod 4 is positioned at a corner of the crushing box 8, one end of the telescopic rod 4 is fixed with one side of the turntable 3, the other end of the telescopic rod 4 is fixed with one end of the crushing box 8, and the telescopic rod 4 is used for supporting the crushing box 8;
the telescopic rod 4 comprises a sleeve 32, an inner rod 31, a second compression spring 29 and a stop block 30, the second compression spring 29 and the stop block 30 are both positioned inside the sleeve 32, one end of the sleeve 32 is provided with a through hole for one end of the inner rod 31 to pass through, one end of the inner rod 31 is fixed with one side of the stop block 30, and the second compression spring is positioned on the other side of the stop block 30;
the crushing box 8 comprises a box body 10 and a box cover 9, the box cover 9 is fixed with the box body 10 through bolts, a feeding hole 11 is formed in the box cover 9, a first discharging pipe 18 is formed in the side wall of the box body 10, the inner bottom of the box body 10 is arranged in an inclined plane, and crushed materials can conveniently enter the screening box 20 from the first discharging pipe 18 for screening;
the crushing assembly 12 comprises a crushing roller 14, a hammer 13 and a limiting plate 15, the hammer 13 is at least provided with ten groups, the hammer 13 is arranged in a T shape, the hammer 13 is in sliding connection with the crushing roller 14, the limiting plate 15 is fixed with one end of the crushing roller 14 through a bolt, the hammer 13 is detachably arranged, and maintenance of the hammer 13 is facilitated;
one end of the crushing roller 14 is provided with a groove for inserting one end of the hammer 13, the side wall of the limiting plate 15 is at least provided with ten protrusions 17, one side of each protrusion 17 is attached to one end of the hammer 13, the protrusions 17 are arranged corresponding to the hammers 13, the limiting plate 15 is rotatably connected with the crushing roller 14, the protrusions 17 are located between every two adjacent hammers 13 by disassembling bolts and rotating the limiting plate 15, the hammers 13 can be drawn out, the hammers 13 are separated from the crushing roller 14, and maintenance and replacement of the hammers 13 are facilitated;
two ends of the crushing roller 14 are respectively fixed with a rotating shaft 16, one end of each rotating shaft 16 is rotatably connected with the crushing box 8 through a bearing 24, the other end of one rotating shaft 16 penetrates through one side of the crushing box 8 and is fixed with an output shaft of a second motor 25, and the second motor drives the two crushing assemblies 12 to rotate relatively, so that materials can be crushed conveniently;
a supporting plate 6 is arranged on one side of the crushing box 8, two handrails 7 are arranged on one side of the supporting plate 6, a screening box 20 is arranged on the other side of the crushing box 8, three groups of detachable screen meshes 27 are obliquely arranged in the screening box 20 through a fixing plate 26, three groups of second discharge pipes 19 are respectively arranged on the side wall of the screening box 20, the lower end of the screening box 20 is in sliding connection with the bottom plate 1 through a supporting rod 23, a first compression spring 22 is sleeved on the supporting rod 23, a vibrator 21 is arranged at the lower end of the screening box 20, the screening box 20 is convenient to shake through the first compression spring 22, the vibrator 21 can increase the vibration amplitude of the screening box 20, and the screening speed of the crushed materials is accelerated;
the fixing plate 26 is arranged annularly, the fixing plate 26 is fixed with the inner wall of the screening box 20, the side surface of the screen mesh 27 is arranged in a T shape, one side of the fixing plate 26 is provided with a notch for the screen mesh 27 to be embedded, and the screen mesh 27 is arranged detachably, so that the screen meshes with different mesh sizes can be replaced conveniently according to actual production requirements;
the mesh size of three group's screen cloth 27 is the setting of decrementing, the upper end symmetry of screen cloth 27 is provided with two lugs 28, second discharging pipe 19 is located the one end of screen cloth 27, upside screen cloth 27 is perpendicular setting with middle screen cloth 27 and incline direction, downside screen cloth 27 is opposite setting with the incline direction of upside screen cloth 27, the material of being convenient for on the screen cloth 27 is discharged through second discharging pipe 19, the material of big granule is discharged to upside second discharging pipe 19, the material of middle granule is discharged to middle second discharging pipe 19, downside second discharging pipe 19 discharges the material of small granule.
The working principle is as follows: when the crusher is used, the electric push rod 5 pushes the crushing box 8 to ascend, so that the first discharge pipe 18 is positioned on one side above the screening box 20, the first motor 2 drives the crushing box 8 to rotate, the outlet of the first discharge pipe 18 is positioned right above the screening box 20, a material to be crushed is added into the crushing box 8 through the feed inlet 11, the second motor 25 drives the two crushing rollers 14 to rotate relatively, the material is crushed through the rolling of the hammer 13 between the two crushing rollers 14, the crushed material falls into the box body 10 and flows out of the first discharge pipe 18 to the inside of the screening box 20 through the inclined surface of the box body 10, the crushed material is respectively screened through the screen 27 and is discharged through the second discharge pipe 19, the second discharge pipe 19 on the upper side discharges a large-particle material, the second discharge pipe 19 on the middle side discharges a medium-particle material, and the second discharge pipe 19 on the lower side discharges a small-particle material, when the device is used in different areas, the lower end of the bottom plate 1 is provided with four universal wheels with self-locking function, the bottom plate 1 is pushed to move through the handrail 7, so that the device is convenient to move and fix when used in different positions, and is convenient to use in different areas;
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. A portable crushing and screening system comprising a movable base plate (1), characterized in that: the crushing device is characterized in that a rotary table (3) is rotatably connected to the bottom plate (1) through a first motor (2), a crushing box (8) is fixed to the rotary table (3) through an electric push rod (5), four telescopic rods (4) are arranged on the outer side of the electric push rod (5), two detachable crushing assemblies (12) are rotatably connected to the inside of the crushing box (8) through a second motor (25), a feeding hole (11) is formed in the upper end of the crushing box (8), a first discharging pipe (18) is arranged on the side wall of the crushing box (8), a supporting plate (6) is arranged on one side of the crushing box (8), two handrails (7) are arranged on one side of the supporting plate (6), a screening box (20) is arranged on the other side of the crushing box (8), and three detachable screens (27) are obliquely arranged inside the screening box (20) through a fixing plate (26), the lateral wall of screening case (20) is provided with three groups of second discharging pipes (19) respectively, the lower extreme of screening case (20) passes through bracing piece (23) and bottom plate (1) sliding connection, just first compression spring (22) have been cup jointed on bracing piece (23), the lower extreme of screening case (20) is provided with bobbing machine (21).
2. A portable crushing and screening system according to claim 1, wherein: broken case (8) include box (10) and case lid (9), case lid (9) are fixed with box (10) through the bolt, feed inlet (11) are located on case lid (9), first discharging pipe (18) are located the lateral wall of box (10), the interior bottom of box (10) is the inclined plane setting.
3. A portable crushing and screening system according to claim 1, wherein: broken subassembly (12) include crushing roller (14), tup (13) and limiting plate (15), tup (13) are provided with ten groups at least, tup (13) are the T setting that appears, tup (13) with crushing roller (14) sliding connection, just limiting plate (15) pass through the bolt with the one end of crushing roller (14) is fixed.
4. A portable crushing and screening system according to claim 3, wherein: the confession has been seted up to the one end of crushing roller (14) the one end male recess of tup (13), just the lateral wall of limiting plate (15) is provided with ten arch (17) at least, the one side of arch (17) is laminated with the one end of tup (13), arch (17) are corresponding the setting with tup (13).
5. A portable crushing and screening system according to claim 4, wherein: and two ends of the crushing roller (14) are respectively fixed with a rotating shaft (16), one end of each rotating shaft (16) is rotatably connected with the crushing box (8) through a bearing (24), and the other end of each rotating shaft (16) penetrates through one side of the crushing box (8) and is fixed with an output shaft of the second motor (25).
6. A portable crushing and screening system according to claim 1, wherein: the fixed plate (26) is arranged in an annular mode, the fixed plate (26) is fixed to the inner wall of the screening box (20), the side face of the screening net (27) is arranged in a T shape, and a notch for enabling the screening net (27) to be embedded is formed in one side of the fixed plate (26).
7. A portable crushing and screening system according to claim 6, wherein: the mesh size of screen cloth (27) is the degressive setting, the upper end symmetry of screen cloth (27) is provided with two lugs (28), second discharging pipe (19) are located the one end of screen cloth (27), the upside screen cloth (27) are perpendicular setting, downside with middle screen cloth (27) and incline direction screen cloth (27) the incline direction of screen cloth (27) and upside is opposite setting.
8. A portable crushing and screening system according to claim 1, wherein: the telescopic rod (4) is located at the corner of the crushing box (8), one end of the telescopic rod (4) is fixed to one side of the rotary table (3), and the other end of the telescopic rod (4) is fixed to one end of the crushing box (8).
9. A portable crushing and screening system according to claim 1, wherein: the telescopic rod (4) comprises a sleeve (32), an inner rod (31), a second compression spring (29) and a stop block (30), wherein the second compression spring (29) and the stop block (30) are located inside the sleeve (32), one end of the sleeve (32) is provided with a through hole for one end of the inner rod (31) to pass through, one end of the inner rod (31) is fixed to one side of the stop block (30), and the second compression spring is located on the other side of the stop block (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011277858.4A CN112473837A (en) | 2020-11-16 | 2020-11-16 | Crushing and screening system of portable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011277858.4A CN112473837A (en) | 2020-11-16 | 2020-11-16 | Crushing and screening system of portable |
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| CN112473837A true CN112473837A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011277858.4A Pending CN112473837A (en) | 2020-11-16 | 2020-11-16 | Crushing and screening system of portable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116727040A (en) * | 2023-06-12 | 2023-09-12 | 苏州云通节能科技发展有限公司 | Cement concrete piece recycle device |
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| CN116727040B (en) * | 2023-06-12 | 2024-01-26 | 苏州云通节能科技发展有限公司 | Cement concrete piece recycle device |
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