CN111330835A - Screening device for reproducing mixture for petroleum asphalt and using method - Google Patents
Screening device for reproducing mixture for petroleum asphalt and using method Download PDFInfo
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- CN111330835A CN111330835A CN202010155780.2A CN202010155780A CN111330835A CN 111330835 A CN111330835 A CN 111330835A CN 202010155780 A CN202010155780 A CN 202010155780A CN 111330835 A CN111330835 A CN 111330835A
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- box body
- buffer
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- 238000012216 screening Methods 0.000 title claims abstract description 30
- 239000000203 mixture Substances 0.000 title claims abstract description 27
- 239000010426 asphalt Substances 0.000 title claims abstract description 22
- 239000003208 petroleum Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 230000035939 shock Effects 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract 2
- 238000010168 coupling process Methods 0.000 claims abstract 2
- 238000005859 coupling reaction Methods 0.000 claims abstract 2
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 230000003139 buffering effect Effects 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims 2
- 238000001125 extrusion Methods 0.000 claims 1
- 239000011301 petroleum pitch Substances 0.000 abstract description 10
- 239000011435 rock Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 7
- 230000007774 longterm Effects 0.000 description 5
- 230000032683 aging Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007659 motor function Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Images
Classifications
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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
-
- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- 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
-
- 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
Landscapes
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a screening device for reproducing a mixture for petroleum asphalt and a using method thereof, and relates to the technical field of petroleum asphalt. This screening plant of mixture reproduction for petroleum pitch, which comprises a frame, the top of frame left wall is provided with gear motor, and gear motor's output shaft passes through the one end fixed connection of shaft coupling and drive lever, gear motor's one end swing joint is kept away from in the left top of frame right wall to the drive lever, and has cup jointed eccentric runner on the drive lever, the bottom of eccentric runner and the top sliding connection of contact plate. This screening plant of mixture reproduction for petroleum pitch sets up through gear motor, drive lever, eccentric runner, the cooperation of going up box mechanism and lower box, sets up through the cooperation that transversely rocks the mechanism simultaneously and drives lower part link gear and do the back-and-forth movement that relapses, has effectively solved among the prior art problem that shock mount shakes stability and life is relatively poor.
Description
The application is a divisional application of a screening device for reproducing a petroleum asphalt mixture, wherein the application date is 2018, 05, 23 and the application number is CN 201810499007.0.
Technical Field
The invention relates to the technical field of petroleum asphalt, in particular to a screening device for reproducing a mixture for petroleum asphalt and a using method thereof.
Background
The asphalt pavement can be recovered and regenerated after aging, the quality of the regenerated material can be effectively controlled by screening, and the asphalt pavement can be recycled and regenerated after aging, for example, the asphalt pavement has the following publication numbers: CN 205917571U's multidirectional screening equipment of reclaimed materials is retrieved to bituminous paving, sieve case including the slope setting, the sieve case passes through spring assembly and sets up on the bearing pier, spring assembly sets up respectively in two side lower parts of sieve case and upper portion, two side outsides of sieve case are equipped with respectively about vibrator and front and back vibrator, the sieve case carries out the vibrations of multi-direction complex helix when sieving, be favorable to the multi-direction motion of tiny particle pitch in the screen cloth assembly, but the utility model discloses in be used for supporting the subassembly stabilizing effect that rocks relatively poor, thereby long-term use back spring assembly's elastic stress weakens and has influenced the vibration stability of sieve case, if chinese grant patent publication number again does: CN 204982606U's a 3D full width vibrations cold burden fill for modified asphalt mixture reproduction, including feed bin and support frame, equal height sets up many supporting spring on the feed bin outer wall, the supporting spring lower extreme is connected with the support frame, supporting spring compression supports the feed bin, feed bin left side outer wall is provided with vertical eccentric rotary mechanism, feed bin right side outer wall is provided with horizontal eccentric rotary mechanism, establish the vibrator on the feed bin, and has simple structure, be difficult for blockking up, operation safety and work efficient advantage, but the utility model discloses in be used for making the mechanism stability of feed bin vibrations relatively poor, lack corresponding vibrations stabilizing mean, thereby lead to the skew and the great condition of vibrations offset range of feed bin easily appearing after long-term the use.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a screening device for reproducing a mixture for petroleum asphalt, which solves the problems of poor vibration stability and short service life of a vibration mechanism in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a screening device for reproducing a mixture for petroleum asphalt comprises a frame, wherein a speed reducing motor is arranged at the top of the left wall of the frame, an output shaft of the speed reducing motor is fixedly connected with one end of a driving rod through a coupler, one end of the driving rod, which is far away from the speed reducing motor, is movably connected into the left top of the right wall of the frame, an eccentric rotating wheel is sleeved on the driving rod, the bottom of the eccentric rotating wheel is slidably connected with the top of a contact plate, two sides of the bottom of the contact plate are respectively fixedly connected with two sides of the top of an upper box mechanism, first fluted discs are sleeved on the left end and the right end of the driving rod, the bottoms of the two first fluted discs are respectively meshed with the tops of two transverse shaking mechanisms, the two transverse shaking mechanisms are respectively movably connected on one side opposite to the inner wall of the frame through two rotating fixed blocks, and a lower, the top of the lower box body is connected with the bottom of the upper box body mechanism in a sliding mode, the bottom of the lower box body is fixedly connected with the lower linkage mechanism, and the lower linkage mechanism is fixedly installed at the inner bottom of the rack.
Preferably, the upper box mechanism comprises an upper box body, clamping blocks, a sleeve, compression springs, buffer sheets, buffer rods, a connecting ball body and a sliding wheel, wherein the upper box body and the lower box body are internally embedded with the sieve plates, the front sides of the two sieve plates respectively penetrate through the front sides of the upper box body and the lower box body and extend to the outside, the two sides of the top of the upper box body are respectively fixedly connected with the two sides of the bottom of the contact plate, the two sides of the bottom of the upper box body are inwards sunken to form a connecting groove, the clamping blocks are embedded on the left side and the right side of the inner wall of the connecting groove, one opposite sides of the two clamping blocks are respectively fixedly connected with the left side and the right side of the sleeve, the compression springs are sleeved on the sleeve, the bottoms of the compression springs are tightly attached to the top of the lower box body, the tops of the compression springs are fixedly connected with the bottoms of the buffer sheets, the left sides and the right sides of the buffer, and the interlude has the buffer beam in the sleeve, the top fixedly connected with of buffer beam connects the spheroid, and connects the upper and lower both sides of the spheroid left and right sides and all set up the helping pulley, four the side surface of helping pulley all with the inner wall sliding connection of spread groove, the bottom of buffer beam runs through down in the top of box and extend to the top of box down, and has all seted up the dashpot in the both sides at box top down, and the fastener, two all have been inlayed to the left and right sides of dashpot inner wall the relative one side of fastener respectively with the left and right sides fixed connection of buffering net, and the below of buffering net is provided with the snubber block, the bottom of snubber block and the interior bottom fixed connection of dashpot.
Preferably, the transverse shaking mechanism comprises a second fluted disc, a cylindrical movable block, a bar-shaped swinging frame, a guide chute, a rotating connecting block, a swinging piece, a clamping tooth, a moving bar and a rack, the top of the second fluted disc is meshed with the bottom of the first fluted disc, the center of the second fluted disc is inserted with the rotating block, the back ends of the two rotating blocks are movably connected in the two rotating fixed blocks respectively, the cylindrical movable block is fixedly connected on the side surface of the second fluted disc near the edge, the side surface of the cylindrical movable block is slidably connected with the inner wall of the bar-shaped swinging frame, the bottom end of the bar-shaped swinging frame is movably connected on the inner wall of the rack through the rotating connecting block, the guide chute is arranged on the inner wall of the bar-shaped swinging frame, one end of the rotating connecting block is movably connected with the inner wall of the rack, the other end of the rotating connecting block is sleeved with an eccentric turntable which is slidably connected in the, the inner wall of guide chute and the side surface sliding connection of cylindricality movable block, the bottom of the frame is swung to the bar and the top fixed connection of swing, and the bottom fixedly connected with latch of swing, the below of latch is provided with removes the strip, and has all cup jointed fixed frame, two on removing the strip both ends around, fixed frame difference fixed connection is on the both sides around the frame inner wall, two remove the equal fixedly connected with rack in top of strip, and the top of two racks meshes with the bottom of two latches respectively.
Preferably, the lower linkage mechanism comprises a support plate, a connecting plate, a sliding plate, a pin shaft, a connecting piece, a return spring, a fixed plate, a side plate, a movable rod, a contact block, a columnar connecting block, a spring groove, a fixed rod, a torsion spring, a buffer plate and a bearing plate, wherein the left side and the right side of the support plate are respectively fixedly connected with one opposite side of the two movable strips, the connecting plate is connected in the support plate in a sliding manner, the sliding plate is fixedly connected at the bottom of the connecting plate and is connected in the inner bottom of the support plate in a sliding manner, the pin shaft is inserted in the top of the connecting plate, the connecting piece is sleeved on the pin shaft, the top of the connecting piece is fixedly connected with the middle part of the bottom of the lower box body, the return springs are arranged at the left side and the right side of the connecting plate, the left side and the right side of the fixed plate are fixedly connected with side plates, movable rods are inserted in the two side plates, the joints of the top ends of the two movable rods and the tops of the two side plates are respectively sleeved with a contact block, the top ends of the two movable rods are respectively fixedly connected with a columnar connecting block, the left side and the right side of the top of the columnar connecting block are respectively provided with a spring groove, the front side and the back side of the inner wall of the spring groove are respectively fixedly connected with the front end and the back end of a fixed rod, the two fixed rods are respectively sleeved with a torsion spring, the two fixed rods are respectively sleeved with a buffer plate, one side of the top of the two buffer plates, which is far away from the columnar connecting block, is respectively fixedly connected with a bearing plate, the two ends of the torsion spring are respectively inserted in the inner wall of the spring groove and the buffer plate, the top of the bearing plate is fixedly connected with, and the two sides of the limiting slide block are connected in the limiting guide slide rod in a sliding way.
Preferably, the cylindrical movable block extends outwards along the side surface of one end of the second gear plate, which is back to the back, and the diameter of the cylindrical movable block, which is back to the back, of the one end of the second gear plate is matched with the distance between the inner walls of the two guide sliding grooves.
Preferably, reset spring's elasticity is greater than the dead weight of fixed plate, and the equal fixedly connected with reinforcement of the left and right sides of fixed plate, the top of two reinforcements respectively with the bottom fixed connection of two curb plates.
Preferably, the eccentric runner is embedded with a balancing weight, the balancing weight is positioned on the front side of the central axis of the eccentric runner, the balancing weight is semicircular, and the weight of the balancing weight is greater than that of the eccentric runner.
Preferably, be provided with the auxiliary wheel on the inner wall of rotation fixed block, and the side surface of auxiliary wheel is inwards sunken to form the ring channel, solid fixed ring has been cup jointed on the side surface of rotatory piece, and solid fixed ring's side surface sliding connection is in the ring channel.
(III) advantageous effects
The invention provides a screening device for reproducing a mixture for petroleum asphalt. The method has the following beneficial effects:
(1) this screening plant of mixture reproduction for petroleum pitch, through set up gear motor in the frame, drive lever and eccentric runner, and go up the cooperation setting of box mechanism and lower box, thereby can make gear motor function drive box mechanism and lower box rock on lower part link gear, the cooperation setting through transversely rocking the mechanism can effectively drive lower part link gear and do the back-and-forth movement that relapses simultaneously, box and lower box rock the stability of rocking have been improved when fully driving, thereby effectively solved among the prior art problem that shock mount rocks stability and life is relatively poor.
(2) This screening plant of mixture reproduction for petroleum pitch through set up fixture block, sleeve, compression spring, buffer plate, buffer beam, connection spheroid and the pulley wheel that helps in last box mechanism to can effectively cushion and stabilize the shake of box under eccentric runner and contact plate drive, effectively improved the mobility stability of last box in the screening process.
(3) This screening plant of mixture reproduction for petroleum pitch is through seting up the dashpot under on the box to and the cooperation setting of fastener, buffering net and snubber block, thereby play preliminary cushioning effect through the buffering net when can making the buffer beam atress downstream, play the insurance effect through the snubber block simultaneously, avoid the bottom of buffer beam and dashpot to produce the contact, thereby guaranteed the stability of rocking of box down.
(4) This screening plant of mixture reproduction for petroleum pitch, through setting up the second fluted disc, the cylindricality movable block, bar swing frame and guide chute, and rotate the connecting block, swing piece, the latch, the cooperation setting of removal strip and rack, thereby it rocks to drive bar swing frame when can making the cylindricality movable block rotate, the back and forth swing motion of swing piece is guaranteed through rotating the connecting block simultaneously, thereby make latch and rack toothing and drive removal strip and lower part link gear back-and-forth movement, the stability of rocking of lower box has been guaranteed.
(5) This screening plant of mixture reproduction for petroleum pitch through set up connecting plate, sliding plate, round pin axle and connecting piece in the backup pad to the removal orbit of box under can effectively restricting, the stability of rocking of box under can effectively improving simultaneously.
(6) This screening plant of mixture reproduction for petroleum pitch through set up fixed plate, curb plate, movable rod and contact piece on reset spring to and spacing slider and spacing cooperation setting of leading the slide bar, thereby can guarantee reset spring's deformation stability in the restriction movable rod removal orbit, avoided current spring to appear in the crooked condition of deformation after long-term the use.
(7) This screening plant of mixture reproduction for petroleum pitch through seting up the spring groove on the column connecting block to and the cooperation setting of dead lever, torsion spring, buffer board and loading board, thereby box under can effectively supporting, and the stability of rocking of box under can effectively improving.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the lateral rocking mechanism of the present invention;
FIG. 3 is a cross-sectional view of the lower linkage of the present invention;
FIG. 4 is a top view of a cylindrical connector block of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 1 at C;
FIG. 8 is a side view of the eccentric runner of the present invention;
FIG. 9 is a side view of the rotating mounting block of the present invention;
fig. 10 is a front view of the rotating block of the present invention.
In the figure: 1 machine frame, 2 speed reducing motor, 3 driving rod, 4 eccentric rotating wheel, 5 contact plate, 6 upper box body mechanism, 7 first fluted disc, 8 transverse shaking mechanism, 9 rotating fixed block, 10 lower box body, 11 fixed frame, 12 lower linkage mechanism, 13 eccentric rotating disc, 14 fastening piece, 15 buffer net, 16 shock absorption block, 17 rotating block, 61 upper box body, 62 clamping block, 63 sleeve, 64 compression spring, 65 buffer sheet, 66 buffer rod, 67 connecting ball, 68 auxiliary pulley, 81 second fluted disc, 82 column-shaped movable block, 83 strip-shaped swinging frame, 84 guide sliding groove, 85 rotating connecting block, 86 swinging piece, 87 clamping tooth, 88 moving bar, 89 rack, 1201 supporting plate, 1202 connecting plate, 1203 sliding plate, 1204 pin shaft, 1205 connecting piece, 1206 return spring, 1207 fixed plate, 1208 side plate, 1209 movable rod, 1210 contact block, 1211 column-shaped connecting block, 1212 spring groove, 1213 fixed rod, 1214 torsion spring, 1211 column-shaped connecting block, 8 transverse shaking mechanism, 8 buffer mechanism, 9 rotating fixed, 1215 buffer plate, 1216 bearing plate, 1217 limit slide block, 1218 limit slide guide rod.
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.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1-10, the present invention provides a technical solution: a screening device for reproducing a mixture for petroleum asphalt comprises a frame 1, wherein a speed reducing motor 2 is arranged at the top of the left wall of the frame 1, an output shaft of the speed reducing motor 2 is fixedly connected with one end of a driving rod 3 through a coupler, the rotating speed of the driving rod 3 can be effectively controlled by arranging the speed reducing motor, so that the situation that the shaking offset amplitude is large is effectively avoided, one end of the driving rod 3, far away from the speed reducing motor 2, is movably connected into the top of the left side of the right wall of the frame 1, an eccentric rotating wheel 4 is sleeved on the driving rod 3, a balancing weight is embedded in the eccentric rotating wheel 4 and is positioned on the front side of the central axis of the eccentric rotating wheel 4, the shape of the balancing weight is semicircular, the weight of the balancing weight is larger than that of the eccentric rotating wheel 4, the eccentric rotating wheel 4 can have certain gravity acceleration when rotating through the structural design, so that, the bottom of the eccentric runner 4 is connected with the top of the contact plate 5 in a sliding way, the two sides of the bottom of the contact plate 5 are respectively fixedly connected with the two sides of the top of the upper box mechanism 6, the left end and the right end of the driving rod 3 are respectively sleeved with a first fluted disc 7, the bottoms of the two first fluted discs 7 are respectively meshed with the tops of the two transverse shaking mechanisms 8, the two transverse shaking mechanisms 8 are respectively and movably connected to one side of the inner wall of the frame 1 opposite to each other through two rotating fixing blocks 9, a lower box body 10 is arranged between the two transverse shaking mechanisms 8, the bottom of the upper box mechanism 6 is connected with the top of the lower box body 10 in a sliding way, the bottom of the lower box body 10 is fixedly connected with a lower linkage mechanism 12, and the lower linkage mechanism 12 is fixedly.
The upper box mechanism 6 comprises an upper box 61, a clamping block 62, a sleeve 63, a compression spring 64, a buffer sheet 65, a buffer rod 66, a connecting ball 67 and a sliding wheel 68, wherein the upper box 61 and the lower box 10 are respectively embedded with a sieve plate, the front sides of the two sieve plates respectively penetrate through the front sides of the upper box 61 and the lower box 10 and extend to the outside, the two sides of the top of the upper box 61 are respectively fixedly connected with the two sides of the bottom of the contact plate 5, the two sides of the bottom of the upper box 61 are inwards recessed to form connecting grooves, the speed reducing motor 2, the driving rod 3 and the eccentric rotating wheel 4 are arranged on the frame 1, the upper box mechanism 6 and the lower box 10 are arranged in a matching way, so that the speed reducing motor 2 can drive the upper box mechanism 6 and the lower box 10 to rock on the lower linkage mechanism 12, and the lower linkage mechanism 12 can be effectively driven to repeatedly move back and forth through the matching arrangement of the transverse rocking mechanism 8, the shaking stability is improved while the upper box body 61 and the lower box body 10 are fully driven to shake, so that the problems of poor shaking stability and poor service life of a shaking mechanism in the prior art are effectively solved, fixture blocks 62 are embedded at the left side and the right side of the inner wall of a connecting groove, opposite sides of the two fixture blocks 62 are respectively fixedly connected with the left side and the right side of a sleeve 63, a compression spring 64 is sleeved on the sleeve 63, the bottom of the compression spring 64 is tightly attached to the top of the lower box body 10, the top of the compression spring 64 is fixedly connected with the bottom of a buffer sheet 65, the left side and the right side of the buffer sheet 65 are respectively in sliding connection with the two sides of the inner wall of the connecting groove, the top end of the sleeve 63 penetrates through the top of the buffer sheet 65, a buffer rod 66 is inserted in the sleeve 63, the top end of the buffer rod 66 is fixedly connected with a connecting ball body, the side surfaces of the four auxiliary pulleys 68 are all connected with the inner wall of the connecting groove in a sliding manner, a fixture block 62, a sleeve 63, a compression spring 64, a buffer sheet 65, a buffer rod 66, a connecting ball 67 and the auxiliary pulleys 68 are arranged in the upper box body mechanism 6, so that the shaking of the upper box body 61 driven by the eccentric rotating wheel 4 and the contact plate 5 can be effectively buffered and stabilized, the moving stability of the upper box body 61 in the screening process is effectively improved, the bottom end of the buffer rod 66 penetrates through the top of the lower box body 10 and extends into the top of the lower box body 10, buffer grooves are respectively formed in the two sides of the top of the lower box body 10, fasteners 14 are respectively embedded in the left side and the right side of the inner wall of each buffer groove, the opposite sides of the two fasteners 14 are respectively and fixedly connected with the left side and the right side of the buffer net 15, the shock absorption block 16 is arranged below the buffer net 15, the bottom of the shock absorption block, and fastener 14, buffering net 15 and snubber block 16's cooperation setting to play preliminary cushioning effect through buffering net 15 when can making the atress downstream of buffer beam 66, play the insurance effect through snubber block 16 simultaneously, avoid the bottom of buffer beam 66 and dashpot to produce the contact, thereby guaranteed the stability of rocking of lower box 10.
The transverse shaking mechanism 8 comprises a second fluted disc 81, a cylindrical movable block 82, a strip-shaped shaking frame 83, a guide chute 84, a rotating connecting block 85, a shaking piece 86, a clamping tooth 87, a moving strip 88 and a rack 89, wherein the top of the second fluted disc 81 is meshed with the bottom of the first fluted disc 7, a rotating block 17 is inserted in the circle center of the second fluted disc 81, the opposite ends of the two rotating blocks 17 are respectively and movably connected in the two rotating fixed blocks 9, an auxiliary wheel is arranged on the inner wall of the rotating fixed blocks 9, the side surface of the auxiliary wheel is inwards sunken to form an annular groove, a fixing ring is sleeved on the side surface of the rotating block 17, the side surface of the fixing ring is slidably connected in the annular groove, the rotation of the rotating block 17 in the rotating fixed blocks 9 can be effectively stabilized through the structural design, the rotating block 17 is effectively limited in the rotating fixed blocks 9, the cylindrical movable block 82 is fixedly connected to the side surface of the second, the side surface of the cylindrical movable block 82 is connected with the inner wall of the bar-shaped swinging frame 83 in a sliding manner, the bottom end of the bar-shaped swinging frame 83 is movably connected with the inner wall of the frame 1 through a rotating connecting block 85, the inner wall of the bar-shaped swinging frame 83 is provided with a guide chute 84, the cylindrical movable block 82 extends outwards away from the side surface of one end of the second fluted disc 81, the diameter of one end of the cylindrical movable block 82 away from the second fluted disc 81 is matched with the distance between the inner walls of the two guide chutes 84, the sliding of the cylindrical movable block 82 in the bar-shaped swinging frame 83 can be effectively stabilized through the structural matching design, so that the transverse swinging stability of the device is effectively improved, one end of the rotating connecting block 85 is movably connected with the inner wall of the frame 1, the other end of the rotating connecting block 85 is sleeved with an eccentric turntable 13, the eccentric turntable 13 is connected in the side wall of the lower box body, the bottom of the bar-shaped swing frame 83 is fixedly connected with the top of the swing piece 86, the bottom of the swing piece 86 is fixedly connected with a latch 87, a moving bar 88 is arranged below the latch 87, the front end and the rear end of the moving bar 88 are respectively sleeved with a fixed frame 11, the two fixed frames 11 are respectively fixedly connected with the front side and the rear side of the inner wall of the frame 1, the tops of the two moving bars 88 are respectively fixedly connected with a rack 89, the tops of the two racks 89 are respectively meshed with the bottoms of the two latch 87, the second fluted disc 81, the cylindrical moving block 82, the bar-shaped swing frame 83, the guide chute 84, the rotation connecting block 85, the swing piece 86, the latch 87, the moving bar 88 and the rack 89 are arranged in a matching way, so that the bar-shaped swing frame 83 is driven to swing when the cylindrical moving block 82 rotates, the front-back swing motion of the swing piece 86 is ensured by the rotation connecting block 85, the latch 87 is meshed with the rack 89 and drives the moving bar 88, the shaking stability of the lower case 10 is ensured.
The lower linkage 12 comprises a support plate 1201, a connecting plate 1202, a sliding plate 1203, a pin 1204, a connecting member 1205, a return spring 1206, a fixed plate 1207, a side plate 1208, a movable rod 1209, a contact block 1210, a columnar connecting block 1211, a spring groove 1212, a fixed rod 1213, a torsion spring 1214, a buffer plate 1215, a bearing plate 1216, a limit slider 1217 and a limit slide guide 1218, wherein the left and right sides of the support plate 1201 are fixedly connected with the opposite sides of the two moving strips 88 respectively, the connecting plate 1202 is connected in the support plate 1201 in a sliding manner, the sliding plate 1203 is fixedly connected to the bottom of the connecting plate 1202, the sliding plate 1203 is connected in the inner bottom of the support plate 1201 in a sliding manner, the pin 1204 is inserted in the top of the connecting plate 1202, the connecting member 1204 is sleeved on the pin 1204, the top of the connecting member 1205 is fixedly connected to the middle of the bottom of the lower box 10, thereby effectively limiting the moving track of the lower box body 10 and simultaneously effectively improving the shaking stability of the lower box body 10, the reset springs 1206 are arranged on the left side and the right side of the connecting plate 1202, the bottom ends of the two reset springs 1206 are respectively and fixedly connected with the left side and the right side of the bottom in the supporting plate 1201, the fixing plate 1207 is fixedly connected with the top of the reset spring 1206, the side plate 1208 is fixedly connected with the left side and the right side of the fixing plate 1207, the elasticity of the reset spring 1206 is larger than the dead weight of the fixing plate 1207, the reinforcing members are fixedly connected with the left side and the right side of the fixing plate 1207, the top of the two reinforcing members are respectively and fixedly connected with the bottom of the two side plates 1208, the bearing capacity of the fixing plate 1207 can be effectively improved through the structural design, thereby effectively ensuring the service life of the device, the movable rods 1209 are inserted in the two side plates 1208, and the contact blocks, the top ends of the two movable rods 1209 are fixedly connected with a cylindrical connecting block 1211, the left side and the right side of the top of the cylindrical connecting block 1211 are provided with spring grooves 1212, the front side and the rear side of the inner wall of each spring groove 1212 are fixedly connected with the front end and the rear end of the corresponding fixed rod 1213, the two fixed rods 1213 are sleeved with torsion springs 1214, the two fixed rods 1213 are sleeved with buffer plates 1215, one sides of the tops of the two buffer plates 1215 far away from the cylindrical connecting block 1211 are fixedly connected with bearing plates 1216, the two ends of the torsion springs 1214 are respectively inserted into the inner wall of the spring grooves 1212 and the buffer plates 1215, the tops of the bearing plates 1216 are fixedly connected with the bottom of the lower box 10, the spring grooves 1212, the fixed rods 1213, the torsion springs 1214, the buffer plates 1215 and the bearing plates 1216 are arranged in a matching manner, so that the lower box 10 can be effectively supported, and the shaking stability, bottom fixedly connected with limit slider 1217 of movable rod 1209, the slide bar 1218 is led to the top fixedly connected with of backup pad 1201, and sliding connection has limit slider 1217's both sides in the limit slide bar 1218, through set up fixed plate 1207 on reset spring 1206, curb plate 1208, movable rod 1209 and contact piece 1210, and limit slider 1217 and the cooperation setting of limit slide bar 1218 are led, thereby can guarantee the deformation stability of reset spring 1206 when restriction movable rod 1209 removes the orbit, the crooked condition of current spring deformation appears after long-term use has been avoided.
When the sieving device for reproducing the mixture for petroleum asphalt works, the driving rod 3 is driven to rotate by the operation of the speed reducing motor 2, so that the eccentric rotating wheel 4 rotates and pushes the contact plate 5 and the upper box body 61, the connecting ball 67 and the buffer rod 66 are driven to slide in the sleeve 63 by the assistant pulley 68, the bottom end of the buffer rod 66 is buffered by the buffer net 15 in the fastener 14, the impact force of the buffer rod 66 is reduced by the shock absorption block 16, the second fluted disc 81 is driven to be meshed by the first fluted disc 7, so that the cylindrical movable block 82 slides in the guide chute 84 and drives the strip-shaped swinging frame 83 to swing by taking the rotating connecting block 85 as an axis, so that the swinging piece 86 drives the latch 87 to swing and be meshed with the rack 89, so as to drive the movable strip 88 to slide in the fixed frame 11, the lower box body 10 longitudinally swings under the rotation assistance of the eccentric rotating disc 13, the connecting, the connecting piece 1205 is driven to move through the pin 1204, so that the connecting piece 1205 drives the lower box body 10 to move, the lower box body 10 is supported through the bearing plate 1216, so that the buffer plate 1215 drives the torsion spring 1214 to deform and drives the columnar connecting block 1211 to move downwards through the fixing rod 1213, so that the columnar connecting block 1211 extrudes the contact block 1210 and the side plate 1208 and slides downwards in the limiting sliding guide rod 1218 through the limiting sliding block 1217, so that the side plate 1208 drives the fixing plate 1207 to extrude the return spring 1206 downwards, and recovered materials in the upper box body 61 and the lower box body 10 are screened out through the screen.
To sum up, this screening plant of mixture reproduction for petroleum pitch, through set up gear motor 2 in frame 1, drive lever 3 and eccentric runner 4, and the cooperation setting of last box mechanism 6 and lower box 10, thereby make gear motor 2 function drive last box mechanism 6 and lower box 10 rock on lower part link gear 12, set up the cooperation through horizontal rocking mechanism 8 simultaneously and effectively drive lower part link gear 12 and make the back-and-forth movement that relapses, box 61 has improved when rocking stability with lower box 10 rocks in fully driving, the relatively poor problem of shock mount rocking stability and life among the prior art has effectively been solved.
Meanwhile, the fixture block 62, the sleeve 63, the compression spring 64, the buffer sheet 65, the buffer rod 66, the connecting ball 67 and the sliding assisting wheel 68 are arranged in the upper box body mechanism 6, so that the shaking of the upper box body 61 driven by the eccentric rotating wheel 4 and the contact plate 5 is effectively buffered and stabilized, and the moving stability of the upper box body 61 in the screening process is effectively improved.
Simultaneously, through seting up the dashpot on box 10 down to and fastener 14, buffering net 15 and snubber block 16's cooperation setting, play preliminary cushioning effect through buffering net 15 when making the buffer beam 66 atress downstream, play the insurance effect through snubber block 16 simultaneously, avoid buffer beam 66 and the bottom of dashpot to produce the contact, guaranteed box 10's stability of rocking down.
Meanwhile, the second fluted disc 81, the cylindrical movable block 82, the strip-shaped swinging frame 83 and the guide chute 84 are arranged, and the rotating connecting block 85, the swinging piece 86, the clamping teeth 87, the moving strip 88 and the rack 89 are arranged in a matched manner, so that the cylindrical movable block 82 drives the strip-shaped swinging frame 83 to swing when rotating, meanwhile, the swinging piece 86 is ensured to swing back and forth by rotating the connecting block 85, the clamping teeth 87 are meshed with the rack 89 and drive the moving strip 88 and the lower linkage mechanism 12 to move back and forth, and the swinging stability of the lower box 10 is ensured.
Meanwhile, by arranging the connecting plate 1202, the sliding plate 1203, the pin 1204 and the connecting member 1205 on the supporting plate 1201, the moving track of the lower box 10 is effectively limited, and meanwhile, the shaking stability of the lower box 10 is effectively improved.
Meanwhile, the spring groove 1212 is formed in the cylindrical connecting block 1211, and the fixing rod 1213, the torsion spring 1214, the buffer plate 1215 and the bearing plate 1216 are cooperatively disposed, so that the lower case 10 is effectively supported, and the shaking stability of the lower case 10 is effectively improved.
Meanwhile, by arranging the fixing plate 1207, the side plate 1208, the movable rod 1209 and the contact block 1210 on the reset spring 1206 and arranging the limiting slide block 1217 and the limiting guide slide rod 1218 in a matching manner, the deformation stability of the reset spring 1206 is ensured while the movement track of the movable rod 1209 is limited, and the deformation deflection of the existing spring after long-term use is avoided.
The electrical components presented in the document are electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device for controlling a computer and the like.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a screening plant of mixture reproduction for petroleum asphalt, includes frame (1), the top of frame (1) left wall is provided with gear motor (2), and the output shaft of gear motor (2) passes through the one end fixed connection of shaft coupling and active rod (3), and has cup jointed eccentric runner (4) on active rod (3), its characterized in that: one end of the driving rod (3) far away from the speed reducing motor (2) is movably connected in the left top of the right wall of the frame (1), the bottom of the eccentric rotating wheel (4) is connected with the top of the contact plate (5) in a sliding manner, the two sides of the bottom of the contact plate (5) are respectively fixedly connected with the two sides of the top of the upper box mechanism (6), the left end and the right end of the driving rod (3) are respectively sleeved with a first fluted disc (7), the bottoms of the two first fluted discs (7) are respectively meshed with the tops of the two transverse shaking mechanisms (8), the two transverse shaking mechanisms (8) are respectively and movably connected on one side opposite to the inner wall of the frame (1) through two rotating fixing blocks (9), a lower box body (10) is arranged between the two transverse shaking mechanisms (8), the bottom of the upper box mechanism (6) is connected in the top of the lower box body (10) in a, the bottom of the lower box body (10) is fixedly connected with a lower linkage mechanism (12), and the lower linkage mechanism (12) is fixedly arranged at the inner bottom of the rack (1);
the upper box body mechanism (6) comprises an upper box body (61), clamping blocks (62), a sleeve (63), compression springs (64), buffer sheets (65), buffer rods (66), a connecting ball body (67) and sliding wheels (68), wherein the upper box body (61) and the lower box body (10) are embedded with sieve plates, the front sides of the two sieve plates respectively penetrate through the front sides of the upper box body (61) and the lower box body (10) and extend to the outside, the two sides of the top of the upper box body (61) are respectively fixedly connected with the two sides of the bottom of the contact plate (5), the two sides of the bottom of the upper box body (61) are inwards sunken to form connecting grooves, the clamping blocks (62) are embedded into the left side and the right side of the inner wall of the connecting grooves, the opposite sides of the two clamping blocks (62) are respectively fixedly connected with the left side and the right side of the sleeve (63), the compression springs (64) are sleeved on the sleeve (63), and the bottom of the compression springs (64) is tightly attached to the, the top of the compression spring (64) is fixedly connected with the bottom of the buffer sheet (65), the left side and the right side of the buffer sheet (65) are respectively in sliding connection with the two sides of the inner wall of the connecting groove, the top end of the sleeve (63) penetrates through the top of the buffer sheet (65), the buffer rod (66) is inserted in the sleeve (63), the top end of the buffer rod (66) is fixedly connected with a connecting ball body (67), the upper side and the lower side of the left side and the right side of the connecting ball body (67) are respectively provided with a assistant pulley (68), the side surfaces of the four assistant pulleys (68) are respectively in sliding connection with the inner wall of the connecting groove, the bottom end of the buffer rod (66) penetrates through the top of the lower box body (10) and extends into the top of the lower box body (10), the buffer grooves are respectively formed in the two sides of the top of the lower box body (10), the left side and the right side of the inner wall of the buffer grooves are respectively embedded with fasteners (14), and, a damping block (16) is arranged below the buffer net (15), and the bottom of the damping block (16) is fixedly connected with the inner bottom of the buffer tank;
the transverse shaking mechanism (8) comprises a second fluted disc (81), a cylindrical movable block (82), a bar swinging frame (83), a guide chute (84), a rotating connecting block (85), a swinging piece (86), a clamping tooth (87), a moving strip (88) and a rack (89), the top of the second fluted disc (81) is meshed with the bottom of the first fluted disc (7), a rotating block (17) is inserted in the circle center of the second fluted disc (81), the back ends of the two rotating blocks (17) are respectively movably connected in the two rotating fixed blocks (9), the cylindrical movable block (82) is fixedly connected to the side surface of the second fluted disc (81) near the edge, the side surface of the cylindrical movable block (82) is connected with the inner wall of the bar swinging frame (83) in a sliding manner, the bottom end of the bar swinging frame (83) is movably connected to the inner wall of the rack (1) through the rotating connecting block (85), and the inner wall of the bar-shaped swing frame (83) is provided with a guide chute (84), one end of the rotary connecting block (85) is movably connected with the inner wall of the frame (1), the other end of the rotary connecting block (85) is sleeved with an eccentric turntable (13), the eccentric turntable (13) is slidably connected in the side wall of the lower box body (10), the inner wall of the guide chute (84) is slidably connected with the side surface of the cylindrical movable block (82), the bottom of the bar-shaped swing frame (83) is fixedly connected with the top of the swing piece (86), the bottom of the swing piece (86) is fixedly connected with a latch (87), a movable bar (88) is arranged below the latch (87), fixed frames (11) are sleeved on the front end and the rear end of the movable bar (88), the fixed frames (11) are respectively fixedly connected on the front side and the rear side of the inner wall of the frame (1), and racks (89) are fixedly connected with the tops of the movable bars (88), the top parts of the two racks (89) are respectively meshed with the bottom parts of the two clamping teeth (87);
the lower linkage mechanism (12) comprises a support plate (1201), a connecting plate (1202), a sliding plate (1203), a pin shaft (1204), a connecting piece (1205), a return spring (1206), a fixing plate (1207), a side plate (1208), a movable rod (1209), a contact block (1210), a columnar connecting block (1211), a spring groove (1212), a fixing rod (1213), a torsion spring (1214), a buffer plate (1215), a bearing plate (1216), a limiting sliding block (1217) and a limiting guide sliding rod (1218), wherein the left side and the right side of the support plate (1201) are respectively and fixedly connected with the opposite sides of the two movable strips (88), the connecting plate (1202) is connected in the support plate (1201) in a sliding manner, the sliding plate (1203) is fixedly connected to the bottom of the connecting plate (1202), the sliding plate (1203) is connected in the inner bottom of the support plate (1201) in a sliding manner, and the pin, a connecting piece (1205) is sleeved on the pin shaft (1204), the top of the connecting piece (1205) is fixedly connected with the middle part of the bottom of the lower box body (10), return springs (1206) are arranged on the left side and the right side of the connecting plate (1202), the bottom ends of the two return springs (1206) are respectively and fixedly connected with the left side and the right side of the bottom in the supporting plate (1201), a fixing plate (1207) is fixedly connected with the top of the return spring (1206), side plates (1208) are fixedly connected with the left side and the right side of the fixing plate (1207), movable rods (1209) are inserted into the two side plates (1208), contact blocks (1210) are sleeved at the joints of the top ends of the two movable rods (1209) and the top ends of the two side plates (1208), columnar connecting blocks (1211) are fixedly connected with the top ends of the two movable rods (1209), and spring grooves (1212) are formed in the left side and the, the front side and the rear side of the inner wall of the spring groove (1212) are fixedly connected with the front end and the rear end of the fixed rod (1213) respectively, the two fixed rods (1213) are respectively sleeved with a torsion spring (1214), the two fixed rods (1213) are respectively sleeved with a buffering plate (1215), one side of the top of each buffering plate (1215), which is far away from the columnar connecting block (1211), is fixedly connected with a bearing plate (1216), two ends of the torsion spring (1214) are respectively inserted into the inner wall of the spring groove (1212) and the buffering plate (1215), the top of the bearing plate (1216) is fixedly connected with the bottom of the lower box body (10), the bottom of the movable rod (1209) is fixedly connected with a limiting sliding block (1217), the top of the supporting plate (1201) is fixedly connected with a limiting guide sliding rod (1218), and the two sides of the limiting sliding block (1217) are slidably connected with the limiting.
2. The screening device for the reproduction of the mixture for petroleum asphalt according to claim 1, characterized in that: the side surface of one end, back to the other, of the second fluted disc (81) of the cylindrical movable block (82) extends outwards, and the diameter of one end, back to the other, of the second fluted disc (81) of the cylindrical movable block (82) is matched with the distance between the inner walls of the two guide sliding grooves (84).
3. The screening device for the reproduction of the mixture for petroleum asphalt according to claim 1, characterized in that: the elasticity of reset spring (1206) is greater than the dead weight of fixed plate (1207), and the equal fixedly connected with reinforcement of the left and right sides of fixed plate (1207), the top of two reinforcements respectively with the bottom fixed connection of two curb plates (1208).
4. The screening device for the reproduction of the mixture for petroleum asphalt according to claim 1, characterized in that: the eccentric runner (4) is embedded with a balancing weight, the balancing weight is located on the front side of the central axis of the eccentric runner (4), the balancing weight is semicircular, and the weight of the balancing weight is larger than that of the eccentric runner (4).
5. The screening device for the reproduction of the mixture for petroleum asphalt according to claim 1, characterized in that: the inner wall of the rotary fixing block (9) is provided with an auxiliary wheel, the side surface of the auxiliary wheel is inwards sunken to form an annular groove, the side surface of the rotary block (17) is sleeved with a fixing ring, and the side surface of the fixing ring is slidably connected in the annular groove.
6. The screening device for the mixture reproduction for the petroleum asphalt and the using method thereof according to any one of the claims 1 to 5 are characterized in that: when the device works, the driving rod (3) is driven to rotate by the operation of the speed reducing motor (2), so that the eccentric rotating wheel (4) rotates and pushes the contact plate (5) and the upper box body (61), the connecting ball body (67) and the buffer rod (66) are driven to slide in the sleeve (63) by the auxiliary pulley (68), the bottom end of the buffer rod (66) is buffered by the buffer net (15) in the fastener (14) and the shock absorption block (16) reduces the impact force of the buffer rod (66), the second fluted disc (81) is driven to be meshed by the first fluted disc (7), so that the cylindrical movable block (82) slides in the guide chute (84) and drives the strip-shaped swinging frame (83) to swing by taking the rotating connecting block (85) as an axis, the swinging piece (86) drives the clamping teeth (87) to swing and be meshed with the rack (89), so as to drive the moving strip (88) to slide in the fixed frame (11), and the box body (10) longitudinally swings under the assistance of the rotation of the eccentric rotating, drive connecting plate (1202) and sliding plate (1203) through backup pad (1201) and slide, drive connecting piece (1205) through round pin axle (1204) and remove, thereby make connecting piece (1205) drive down box (10) and remove, support down box (10) through loading board (1216), thereby make buffer board (1215) drive torsion spring (1214) deformation and drive column connecting block (1211) through dead lever (1213) and move down, thereby make column connecting block (1211) extrusion contact piece (1210) and curb plate (1208) and through spacing slider (1217) gliding in spacing guide slide bar (1218), thereby make curb plate (1208) drive fixed plate (1207) push down reset spring (1206), sieve out the reclaimed materials in upper box (61) and lower box (10) through the screen cloth.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010155780.2A CN111330835B (en) | 2018-05-23 | 2018-05-23 | Screening device for reproducing mixture for petroleum asphalt and using method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010155780.2A CN111330835B (en) | 2018-05-23 | 2018-05-23 | Screening device for reproducing mixture for petroleum asphalt and using method |
| CN201810499007.0A CN108672268B (en) | 2018-05-23 | 2018-05-23 | Screening plant of mixture reproduction for petroleum pitch |
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| CN201810499007.0A Division CN108672268B (en) | 2018-05-23 | 2018-05-23 | Screening plant of mixture reproduction for petroleum pitch |
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| CN202010155780.2A Expired - Fee Related CN111330835B (en) | 2018-05-23 | 2018-05-23 | Screening device for reproducing mixture for petroleum asphalt and using method |
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| CN113281372A (en) * | 2021-06-17 | 2021-08-20 | 温州信达交通工程试验检测有限公司 | Asphalt softening point tester |
| CN115301542A (en) * | 2022-08-26 | 2022-11-08 | 湖南省天心博力科技有限公司 | Preparation process of aluminum-copper alloy additive and screening device used in preparation process |
| CN118045419A (en) * | 2024-04-16 | 2024-05-17 | 深圳市粤通建设工程有限公司 | Rolling type asphalt material filtering device and filtering method |
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| CN108030108A (en) * | 2017-12-26 | 2018-05-15 | 郑州搜趣信息技术有限公司 | A kind of more transfer roller extrusion pressing type peanut shelling devices |
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- 2018-05-23 CN CN201810499007.0A patent/CN108672268B/en active Active
- 2018-05-23 CN CN202010155780.2A patent/CN111330835B/en not_active Expired - Fee Related
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| JPH07328546A (en) * | 1994-06-07 | 1995-12-19 | Aisin Sanki Kk | Size sorting machine |
| CN2753467Y (en) * | 2004-10-13 | 2006-01-25 | 赵希军 | Multifunctional grain cleaning and sorting machine |
| CN103801509A (en) * | 2013-11-13 | 2014-05-21 | 马奎山 | Low-power-consumption efficient coal screening machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111955765A (en) * | 2020-08-25 | 2020-11-20 | 张群伍 | Former seed insolation device after star moon bodhi shells |
| CN113281372A (en) * | 2021-06-17 | 2021-08-20 | 温州信达交通工程试验检测有限公司 | Asphalt softening point tester |
| CN115301542A (en) * | 2022-08-26 | 2022-11-08 | 湖南省天心博力科技有限公司 | Preparation process of aluminum-copper alloy additive and screening device used in preparation process |
| CN115301542B (en) * | 2022-08-26 | 2023-06-09 | 湖南省天心博力科技有限公司 | Aluminum copper alloy auxiliary agent preparation process and screening device for preparation process |
| CN118045419A (en) * | 2024-04-16 | 2024-05-17 | 深圳市粤通建设工程有限公司 | Rolling type asphalt material filtering device and filtering method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108672268B (en) | 2020-04-21 |
| CN108672268A (en) | 2018-10-19 |
| CN111330835B (en) | 2021-02-09 |
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