CN108672268A - A kind of screening plant of asphalt mixture reproduction - Google Patents
A kind of screening plant of asphalt mixture reproduction Download PDFInfo
- Publication number
- CN108672268A CN108672268A CN201810499007.0A CN201810499007A CN108672268A CN 108672268 A CN108672268 A CN 108672268A CN 201810499007 A CN201810499007 A CN 201810499007A CN 108672268 A CN108672268 A CN 108672268A
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- China
- Prior art keywords
- fixedly connected
- block
- wall
- plate
- sides
- Prior art date
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- Granted
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- 238000012216 screening Methods 0.000 title claims abstract description 33
- 239000010426 asphalt Substances 0.000 title claims abstract description 30
- 239000000203 mixture Substances 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 206010044565 Tremor Diseases 0.000 claims abstract description 18
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 14
- 238000004080 punching Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 3
- 238000009527 percussion Methods 0.000 abstract description 5
- 238000005096 rolling process Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 230000007774 longterm Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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 kind of asphalt screening plants of mixture reproduction, are related to asphalt technical field.The screening plant of asphalt mixture reproduction, including rack, it is provided with decelerating motor at the top of the rack left wall, and the output shaft of decelerating motor is fixedly connected by shaft coupling with one end of driving lever, the one end of the driving lever far from decelerating motor is movably connected in the top on the left of rack right wall, and eccentric runner is socketed on driving lever, the bottom of the bias runner and the top slide of contact plate connect.The screening plant of asphalt mixture reproduction, pass through being equipped with for decelerating motor, driving lever, eccentric runner, top box body mechanism and lower box, it drives lower part linkage mechanism to be moved forward and backward repeatedly by being equipped with for transverse shakiness mechanism simultaneously, efficiently solves the problems, such as that percussion mechanism shakes dynamic stability in the prior art and service life is poor.
Description
Technical field
The present invention relates to asphalt technical field, the screening of specially a kind of asphalt mixture reproduction fills
It sets.
Background technology
Recycling and regeneration treatment can also be carried out after bituminous paving aging, and reworked material can effectively be controlled by screening
Quality, such as Chinese granted patent notification number is：A kind of multidirectional screening of bituminous paving reclaiming material of CN205917571U is set
Screen box that is standby, including being obliquely installed, screen box are set to by spring assembly on load-bearing pier, and spring assembly is respectively arranged at screen box
Two side lowers and top, screen box are respectively equipped with left and right shaking device and front and back shaking device on the outside of two sides, are carrying out
Screen box carries out multi-direction compound helix vibrations when screening, is conducive to the multi-direction movement in sieve assembly of little particle pitch,
But the component stablizing effect that shaking is used to support in the utility model is poor, and the elastic stress of spring assembly weakens after long-time service
To influence the vibrations stability of screen box, for another example Chinese granted patent notification number is：One kind of CN204982606U is used for
The 3D full widths vibrations cold burden bucket of modified asphalt mixture reproduction, including feed bin and supporting rack, the first-class high setting of feed bin outer wall are more
Root support spring, support spring lower end are connect with supporting rack, support spring compression support feed bin, and outer wall is provided with perpendicular on the left of feed bin
It directly is eccentrically rotated mechanism, feed bin outer right wall is provided with level and is eccentrically rotated mechanism, and vibrator is set on feed bin, has structure letter
It is single, be not easy to plug, operational safety and the advantages of efficient work, but the mechanism stable in the utility model for promoting feed bin to shake
Property it is poor, lack corresponding vibrations stabilizing mechanism, feed bin is crooked and vibrations offset so as to cause easily occurring after long-term use
The larger situation of amplitude.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of asphalt screening plant of mixture reproduction,
Solve the problems, such as that the vibrations stability of percussion mechanism in the prior art and service life are poor.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of asphalt with mixture again
The screening plant of production, including rack are provided with decelerating motor at the top of the rack left wall, and the output shaft of decelerating motor is logical
It crosses shaft coupling to be fixedly connected with one end of driving lever, the one end of the driving lever far from decelerating motor is movably connected in rack right wall
Eccentric runner is socketed in the top in left side, and on driving lever, the bottom of the bias runner and the top slide of contact plate connect
It connects, and the both sides of contact plate bottom are fixedly connected with the both sides at the top of top box body mechanism respectively, the left and right ends of the driving lever
On be socketed with the first fluted disc, and the bottom of two the first fluted discs is engaged with the top of Liang Ge transverse shakinesses mechanism respectively, two
The transverse shakiness mechanism is movably connected in by two rotation fixed blocks on the opposite side of frame inner wall respectively, and two cross
Lower box is provided between mechanism to shaking, and slidably connects the bottom of top box body mechanism in the top of the lower box, and under
The bottom of babinet is fixedly connected with lower part linkage mechanism, and the lower part linkage mechanism is fixedly mounted on the interior bottom of rack.
Preferably, the top box body mechanism includes upper box, fixture block, sleeve, compressed spring, buffer substrate tablet, buffer bar, connection
Sphere and help pulley, the upper box with sieve plate is embedded in lower box, and extended through on front side of two sieve plates upper box and
The front of lower box simultaneously extends to outside, and the both sides at the top of the upper box are fixedly connected with the both sides of contact plate bottom respectively,
And the both sides of upper box bottom are recessed inwardly to form link slot, the left and right sides of link slot inner wall is embedded with fixture block, and two
The opposite side of fixture block respectively be fixedly connected at left and right sides of sleeve, be socketed with compressed spring on the sleeve, and compress bullet
It is fitted closely at the top of the bottom of spring and lower box, the top of the compressed spring is fixedly connected with the bottom of buffer substrate tablet, and slow
The left and right sides of punching is slidably connected with the inner wall both sides of link slot respectively, and the top of buffer substrate tablet is run through on the top of the sleeve,
And buffer bar is interspersed in sleeve, the top of the buffer bar is fixedly connected with connection sphere, and connects at left and right sides of sphere
Upper and lower both sides, which are respectively provided with, helps pulley, and the side surface of pulley is helped to be slidably connected with the inner wall of link slot described in four, described slow
The bottom end of jumper bar is through the top of lower box and extends in the top of lower box, and is offered in the both sides at the top of lower box
Dashpot, the left and right sides of dashpot inner wall are embedded with fastener, the opposite sides of two fasteners respectively with buffer subsystem
The left and right sides be fixedly connected, and snubber block is provided with below buffer subsystem, the bottom of the snubber block and the interior bottom of dashpot
Portion is fixedly connected.
Preferably, the transverse shakiness mechanism includes the second fluted disc, pillar shaped movable block, bar shaped swing frame, guide runner, rotation
Link block, swing component, latch, mobile item and rack, the top of second fluted disc are engaged with the bottom of the first fluted disc, and second
The circle centre position of fluted disc is interspersed with spill spin block, and opposite one end of two spill spin blocks is respectively and movably connected to two rotation fixed blocks
Interior, the pillar shaped movable block is fixedly connected on the position that proximal edge is leaned on the second fluted disc side surface, and the side table of pillar shaped movable block
Face and the inner wall of bar shaped swing frame are slidably connected, and the bottom end of the bar shaped swing frame is movably connected in rack by being rotatablely connected block
Inner wall on, and guide runner is offered on the inner wall of bar shaped swing frame, one end of the rotation connection block and the inner wall of rack are lived
Dynamic connection, and the other end for being rotatablely connected block is socketed with eccentric turntable, the bias turntable is slidably connected at the side wall of lower box
Interior, the side surface of the inner wall and pillar shaped movable block of the guide runner is slidably connected, the bottom of the bar shaped swing frame and swing component
Top be fixedly connected, and the bottom of swing component is fixedly connected with latch, mobile item is provided with below the latch, and mobile
Fixed frame is socketed on the rear and front end of item, two fixed frames are respectively fixedly connected in the front and rear sides of frame inner wall
On, it has been fixedly connected with rack at the top of two mobile items, and the top of the two racks bottom with two latches respectively
Engagement.
Preferably, the lower part linkage mechanism include support plate, connecting plate, sliding panel, axis pin, connector, resetting spring,
Fixed plate, side plate, motion bar, contact block, column link block, spring groove, fixed link, torsionspring, buffer board and loading plate, institute
The left and right sides for stating support plate is fixedly connected with the opposite side of two mobile items respectively, and connection is slidably connected in support plate
The bottom of plate, the connecting plate is fixedly connected with sliding panel, and sliding panel is slidably connected in the interior bottom of support plate, the company
It is interspersed with axis pin in the top of fishplate bar, and is socketed with connector on axis pin, in the top and lower box bottom of the connector
Portion is fixedly connected, and resetting spring is both provided at left and right sides of the connecting plate, and the bottom end of two resetting springs is fixed respectively
It is connected to the left and right sides of bottom in support plate, fixed plate, and a left side for fixed plate are fixedly connected at the top of the resetting spring
Right both sides have been fixedly connected with side plate, and motion bar, and two motion bar tops and two sides are interspersed in two side plates
Junction at the top of plate is socketed with contact block, and the top of two motion bars has been fixedly connected with column link block, and column
The left and right sides at the top of shape link block offers spring groove, the front and rear sides of the spring groove inner wall respectively with before fixed link
Both ends are fixedly connected afterwards, and torsionspring is socketed in two fixed links, and buffer board is socketed in two fixed links,
And the side far from column link block at the top of two buffer boards has been fixedly connected with loading plate, the both ends difference of the torsionspring
It is plugged in the inner wall and buffer board of spring groove, the top of the loading plate is fixedly connected with the bottom of lower box, the activity
The bottom end of bar is fixedly connected with position limiting slide block, limit slide guide bar is fixedly connected at the top of the support plate, and limit slide guide bar
Inside slidably connect the both sides of position limiting slide block.
Preferably, the side surface of pillar shaped movable block opposite second fluted disc one end extends outwardly, and pillar shaped movable block phase
The distance between the diameter of second fluted disc one end and two guide runner inner walls is carried on the back to match.
Preferably, the elastic force of the resetting spring is more than the dead weight of fixed plate, and the fixed company in the left and right sides of fixed plate
It is connected to reinforcer, the top of two reinforcers is fixedly connected with the bottom of two side plates respectively.
Preferably, the eccentric runner is embedded with clump weight, and clump weight is located at the front side of eccentric runner central axes, counterweight
The shape of block is semicircle, and the weight of clump weight is more than the weight of eccentric runner.
Preferably, it is provided with auxiliary wheel on the inner wall of the rotation fixed block, and the side surface of auxiliary wheel is recessed inwardly shape
Slot is circularized, fixed ring is socketed on the side surface of the spill spin block, and the side surface of fixed ring is slidably connected in annular groove.
(3) advantageous effect
The present invention provides a kind of asphalt screening plants of mixture reproduction.Has following advantageous effect：
(1), the screening plant of asphalt mixture reproduction, by the way that decelerating motor, active are arranged in rack
Bar and eccentric runner and top box body mechanism and lower box are equipped with, so as to make decelerating motor running drive top box
Body mechanism shakes with lower box on the linkage mechanism of lower part, while can effectively be driven by being equipped with for transverse shakiness mechanism
Lower part linkage mechanism is moved forward and backward repeatedly, and rolling dynamic stability is improved while fully upper box being driven to be shaken with lower box
Property, to efficiently solve the problems, such as that percussion mechanism shakes dynamic stability in the prior art and service life is poor.
(2), the screening plant of asphalt mixture reproduction, by the way that fixture block, set are arranged in top box body mechanism
Cylinder, buffer substrate tablet, buffer bar, connects sphere and helps pulley compressed spring, so as to effectively buffer and stablize upper box in bias
Runner and the shaking under contact plate drive, effectively increase the moving stability of the upper box in screening process.
(3), the screening plant of asphalt mixture reproduction, by opening up dashpot on lower box, and
Fastener, buffer subsystem and snubber block are equipped with, and are played so as to pass through buffer subsystem when buffer bar stress being made to move downward
Preliminary cushioning effect, while safety effect is played by snubber block, it avoids buffer bar from being generated with the bottom of dashpot and contacts, to
It ensure that the rolling dynamic stability of lower box.
(4), the screening plant of asphalt mixture reproduction, by the way that the second fluted disc, pillar shaped movable block, item is arranged
Shape swing frame and guide runner, and it is rotatablely connected being equipped with for block, swing component, latch, mobile item and rack, so as to make
Bar shaped swing frame is driven to shake when pillar shaped movable block rotates, while ensureing that the swing of swing component is transported by being rotatablely connected block
It is dynamic, to make latch be engaged with rack and mobile item is driven to be moved forward and backward with lower part linkage mechanism, it ensure that the shaking of lower box
Stability.
(5), the screening plant of asphalt mixture reproduction, by the way that connecting plate, sliding are arranged on the supporting plate
Plate, axis pin and connector so as to effectively limit the motion track of lower box, while can effectively improve the shaking of lower box
Stability.
(6), the screening plant of asphalt mixture reproduction, by the way that fixed plate, side are arranged on resetting spring
Plate, motion bar and contact block and position limiting slide block and limit slide guide bar are equipped with, so as in limitation motion bar movement
Ensure the deformation stability of resetting spring while track, avoiding existing spring, the crooked situation of deformation goes out after long-term use
It is existing.
(7), the screening plant of asphalt mixture reproduction, by opening up spring groove on column link block,
And fixed link, torsionspring, buffer board and loading plate are equipped with, and so as to effectively support lower box, and can be had
Effect improves the rolling dynamic stability of lower box.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the side view of transverse shakiness mechanism of the present invention；
Fig. 3 is the sectional view of lower part linkage mechanism of the present invention；
Fig. 4 is the vertical view of column link block of the present invention；
Fig. 5 is schematic enlarged-scale view at the A in Fig. 1 of the present invention；
Fig. 6 is schematic enlarged-scale view at the B in Fig. 1 of the present invention；
Fig. 7 is schematic enlarged-scale view at the C in Fig. 1 of the present invention；
Fig. 8 is the side view of the eccentric runner of the present invention；
Fig. 9 is the side view of present invention rotation fixed block；
Figure 10 is the front view of spill spin block of the present invention.
In figure：1 rack, 2 decelerating motors, 3 driving levers, 4 eccentric runners, 5 contact plates, 6 top box body mechanisms, 7 first fluted discs,
8 transverse shakiness mechanisms, 9 rotation fixed blocks, 10 lower boxes, 11 fixed frames, 12 lower part linkage mechanisms, 13 eccentric turntables, 14 fastenings
Part, 15 buffer subsystems, 16 snubber blocks, 17 spill spin blocks, 61 upper boxes, 62 fixture blocks, 63 sleeves, 64 compressed springs, 65 buffer substrate tablets, 66 are delayed
Jumper bar, 67 connection spheres, 68 help pulley, 81 second fluted discs, 82 pillar shaped movable blocks, 83 bar shaped swing frames, 84 guide runners, 85 rotations
Link block, 86 swing components, 87 latches, 88 movement items, 89 racks, 1201 support plates, 1202 connecting plates, 1203 sliding panels, 1204
Axis pin, 1205 connectors, 1206 resetting springs, 1207 fixed plates, 1208 side plates, 1209 motion bars, 1210 contact blocks, 1211 columns
Shape link block, 1212 spring grooves, 1213 fixed links, 1214 torsionsprings, 1215 buffer boards, 1216 loading plates, 1217 limits are slided
Block, 1218 limit slide guide bars.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Examples of the embodiments are shown in the accompanying drawings, and in which the same or similar labels are throughly indicated identical or classes
As element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, purport
For explaining the present invention, and it is not considered as limiting the invention.
- 10 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of screening of asphalt mixture reproduction
Device, including rack 1, are provided with decelerating motor 2 at the top of 1 left wall of rack, and the output shaft of decelerating motor 2 by shaft coupling with
One end of driving lever 3 is fixedly connected, by the way that decelerating motor is arranged so as to effectively control the slewing rate of driving lever 3, thus
It effectively prevents shaking the larger situation appearance of offset amplitude, the one end of driving lever 3 far from decelerating motor 2 is movably connected in rack
In top on the left of 1 right wall, and eccentric runner 4 is socketed on driving lever 3, eccentric runner 4 is embedded with clump weight, and clump weight position
The shape of front side in 4 central axes of eccentric runner, clump weight is semicircle, and the weight of clump weight is more than the weight of eccentric runner 4
Amount, with certain acceleration of gravity when designed through this structure so as to make eccentric runner 4 rotate, to improve
The bottom of the slewing rate of eccentric runner 4, eccentric runner 4 is connect with the top slide of contact plate 5, and the two of 5 bottom of contact plate
Side is fixedly connected with the both sides at 6 top of top box body mechanism respectively, and the first fluted disc 7 is socketed on the left and right ends of driving lever 3, and
The bottom of two the first fluted discs 7 is engaged with the top of Liang Ge transverse shakinesses mechanism 8 respectively, and Liang Ge transverse shakinesses mechanism 8 leads to respectively
It crosses two rotation fixed blocks 9 to be movably connected on the opposite side of 1 inner wall of rack, and is arranged between Liang Ge transverse shakinesses mechanism 8
There is lower box 10, the bottom of top box body mechanism 6, and the bottom and lower part of lower box 10 are slidably connected in the top of lower box 10
Linkage mechanism 12 is fixedly connected, and lower part linkage mechanism 12 is fixedly mounted on the interior bottom of rack 1,.
Top box body mechanism 6 includes upper box 61, fixture block 62, sleeve 63, compressed spring 64, buffer substrate tablet 65, buffer bar 66, connects
Receive and body 67 and help pulley 68, upper box 61 with sieve plate is embedded in lower box 10, and extended through on front side of two sieve plates
The front of babinet 61 and lower box 10 simultaneously extends to outside, the both sides at the top of upper box 61 both sides with 5 bottom of contact plate respectively
Be fixedly connected, and the both sides of 61 bottom of upper box are recessed inwardly to form link slot, by rack 1 be arranged decelerating motor 2,
Driving lever 3 and eccentric runner 4 and top box body mechanism 6 are equipped with lower box 10, so as to make the fortune of decelerating motor 2
Make that top box body mechanism 6 is driven to shake on lower part linkage mechanism 12 with lower box 10, while passing through the cooperation of transverse shakiness mechanism 8
Setting can effectively drive lower part linkage mechanism 12 to be moved forward and backward repeatedly, fully upper box 61 driven to be shaken with lower box 10
While improve rolling dynamic stability, shake dynamic stability and service life to efficiently solve percussion mechanism in the prior art
Poor problem, the left and right sides of link slot inner wall are embedded with fixture block 62, and the opposite side of two fixture blocks 62 respectively with sleeve
63 left and right sides is fixedly connected, and compressed spring 64, and the bottom of compressed spring 64 and lower box 10 are socketed on sleeve 63
Top fits closely, and the top of compressed spring 64 is fixedly connected with the bottom of buffer substrate tablet 65, and the left and right sides of buffer substrate tablet 65 point
It is not slidably connected with the inner wall both sides of link slot, the top of buffer substrate tablet 65 is run through on the top of sleeve 63, and is interspersed in sleeve 63
The top of buffer bar 66, buffer bar 66 is fixedly connected with connection sphere 67, and the both sides up and down for connecting 67 left and right sides of sphere are equal
Setting helps pulley 68, and four are helped the side surface of pulley 68 to be slidably connected with the inner wall of link slot, by top box body mechanism 6
Interior setting fixture block 62, compressed spring 64, buffer substrate tablet 65, buffer bar 66, connects sphere 67 and helps pulley 68 sleeve 63, so as to
It is enough effectively to buffer and stablize shaking of the upper box 61 in the case where eccentric runner 4 and contact plate 5 drive, it effectively increases upper box 61 and exists
The bottom end of the moving stability in screening process, buffer bar 66 runs through the top of lower box 10 and extends to the top of lower box 10
Interior, and dashpot is offered in the both sides at the top of lower box 10, the left and right sides of dashpot inner wall is embedded with fastener 14, and two
The opposite side of a fastener 14 is fixedly connected with the left and right sides of buffer subsystem 15 respectively, and the lower section of buffer subsystem 15 is provided with and subtracts
Block 16 is shaken, the bottom of snubber block 16 is fixedly connected with the interior bottom of dashpot, by opening up dashpot on lower box 10, and
Fastener 14, buffer subsystem 15 and snubber block 16 are equipped with, slow so as to pass through when 66 stress of buffer bar being made to move downward
It rushes net 15 and plays preliminary cushioning effect, while safety effect is played by snubber block 16, avoid the bottom of buffer bar 66 and dashpot
Portion generates contact, to ensure that the rolling dynamic stability of lower box 10.
Transverse shakiness mechanism 8 includes the second fluted disc 81, pillar shaped movable block 82, bar shaped swing frame 83, guide runner 84, rotation company
Block 85, swing component 86, latch 87, mobile item 88 and rack 89, the top of the second fluted disc 81 and the bottom of the first fluted disc 7 is connect to nibble
It closes, and the circle centre position of the second fluted disc 81 is interspersed with spill spin block 17, opposite one end of two spill spin blocks 17 is respectively and movably connected to two
In a rotation fixed block 9, rotates and be provided with auxiliary wheel on the inner wall of fixed block 9, and the side surface of auxiliary wheel is recessed inwardly to be formed
Annular groove is socketed with fixed ring on the side surface of spill spin block 17, and the side surface of fixed ring is slidably connected in annular groove, is passed through
Such structure design is rotating the rotation in fixed block 9 so as to effectively stablize spill spin block 17, while effectively by spill spin block
17 are limited in rotation fixed block 9, and pillar shaped movable block 82 is fixedly connected on the position that proximal edge is leaned on 81 side surface of the second fluted disc,
And the side surface of pillar shaped movable block 82 and the inner wall of bar shaped swing frame 83 are slidably connected, the bottom end of bar shaped swing frame 83 passes through rotation
Link block 85 is movably connected on the inner wall of rack 1, and guide runner 84, pillar shaped movable are offered on the inner wall of bar shaped swing frame 83
The side surface of 82 opposite second fluted disc, 81 one end of block extends outwardly, and the diameter of 82 opposite second fluted disc, 81 one end of pillar shaped movable block
The distance between two 84 inner walls of guide runner match, and matching design can effectively stablize pillar shaped movable through this structure
Sliding of the block 82 in bar shaped swing frame 83 is rotatablely connected block 85 to effectively increase the transverse shakiness stability of the device
One end be flexibly connected with the inner wall of rack 1, and be rotatablely connected block 85 the other end be socketed with eccentric turntable 13, eccentric turntable 13
It is slidably connected in the side wall of lower box 10, the side surface of the inner wall and pillar shaped movable block 82 of guide runner 84 is slidably connected, bar shaped
The bottom of swing frame 83 is fixedly connected with the top of swing component 86, and the bottom of swing component 86 is fixedly connected with latch 87, latch
87 lower section is provided with mobile item 88, and is socketed with fixed frame 11 on the rear and front end of mobile item 88, and two fixed frames 11 divide
It is not fixedly connected on the front and rear sides of 1 inner wall of rack, the top of two mobile items 88 has been fixedly connected with rack 89, and two
The top of rack 89 is engaged with the bottom of two latches 87 respectively, by the way that the second fluted disc 81, pillar shaped movable block 82, bar shaped pendulum is arranged
Dynamic frame 83 and guide runner 84, and it is rotatablely connected being equipped with for block 85, swing component 86, latch 87, mobile item 88 and rack 89,
Bar shaped swing frame 83 is driven to shake when so as to make pillar shaped movable block 82 rotate, while ensureing to swing by being rotatablely connected block 85
The swing campaign of part 86, before and after making latch 87 be engaged with rack 89 and driving mobile item 88 and lower part linkage mechanism 12
It is mobile, it ensure that the rolling dynamic stability of lower box 10.
Lower part linkage mechanism 12 includes support plate 1201, connecting plate 1202, sliding panel 1203, axis pin 1204, connector
1205, resetting spring 1206, fixed plate 1207, side plate 1208, motion bar 1209, contact block 1210, column link block 1211, bullet
Spring slot 1212, fixed link 1213, torsionspring 1214, buffer board 1215, loading plate 1216, position limiting slide block 1217 and limit slide guide
The left and right sides of bar 1218, support plate 1201 is fixedly connected with the opposite side of two mobile items 88 respectively, and support plate 1201
Connecting plate 1202 is inside slidably connected, the bottom of connecting plate 1202 is fixedly connected with sliding panel 1203, and sliding panel 1203 slides
It is connected in the interior bottom of support plate 1201, axis pin 1204 is interspersed in the top of connecting plate 1202, and be socketed on axis pin 1204
There is connector 1205, is fixedly connected in the middle part of the top and 10 bottom of lower box of connector 1205, by support plate 1201
Connecting plate 1202, sliding panel 1203, axis pin 1204 and connector 1205 are set, so as to effectively limit the movement of lower box 10
Track, while the rolling dynamic stability of lower box 10 can be effectively improved, the left and right sides of connecting plate 1202 is both provided with reset bullet
Spring 1206, and the bottom end of two resetting springs 1206 is respectively fixedly connected with the left and right sides of the bottom in support plate 1201, resets
The top of spring 1206 is fixedly connected with fixed plate 1207, and the left and right sides of fixed plate 1207 has been fixedly connected with side plate
1208, the elastic force of resetting spring 1206 is more than the dead weight of fixed plate 1207, and the left and right sides of fixed plate 1207 is fixedly connected with
There are reinforcer, the top of two reinforcers to be fixedly connected with the bottom of two side plates 1208, design through this structure respectively
The load-bearing capacity that fixed plate 1207 can be effectively improved, to which the service life of the device, two side plates 1208 be effectively ensured
It is inside interspersed with motion bar 1209, and the junction at two 1209 tops of motion bar and two 1208 tops of side plate is socketed with and connects
The top of contact block 1210, two motion bars 1209 has been fixedly connected with column link block 1211, and 1211 top of column link block
The left and right sides offer spring groove 1212, the front and rear sides of 1212 inner wall of spring groove are respectively with before and after fixed link 1,213 two
End is fixedly connected, and torsionspring 1214 is socketed in two fixed links 1213, is socketed in two fixed links 1213 slow
Punching 1215, and two 1215 sides of the top far from column link block 1211 of buffer board have been fixedly connected with loading plate 1216,
The both ends of torsionspring 1214 are plugged on respectively in the inner wall and buffer board 1215 of spring groove 1212, the top of loading plate 1216 with
The bottom of lower box 10 is fixedly connected, by opening up spring groove 1212 and fixed link 1213 on column link block 1211, turning round
Turn being equipped with for spring 1214, buffer board 1215 and loading plate 1216, so as to effectively support lower box 10, and can have
Effect improves the rolling dynamic stability of lower box 10, and the bottom end of motion bar 1209 is fixedly connected with position limiting slide block 1217, support plate 1201
Top be fixedly connected with limit slide guide bar 1218, and limit in slide guide bar 1218 and slidably connect the two of position limiting slide block 1217
Side, by the way that fixed plate 1207, side plate 1208, motion bar 1209 and contact block 1210, and limit are arranged on resetting spring 1206
Position sliding block 1217 is equipped with limit slide guide bar 1218, so as to be protected while limiting 1209 motion track of motion bar
The deformation stability for demonstrate,proving resetting spring 1206, avoiding existing spring, the crooked situation of deformation occurs after long-term use.
When the screening plant work of asphalt mixture reproduction, is operated by decelerating motor 2 and drive driving lever 3
Rotation, to make eccentric runner 4 rotate and push contact plate 5 and upper box 61, by helping pulley 68 to drive connection 67 He of sphere
The sliding in the sleeve 63 of buffer bar 66 by the bottom end of the 15 buffer bar 66 of buffer subsystem in fastener 14 and makes snubber block 16
The impact force for reducing buffer bar 66 drives the engagement of the second fluted disc 81, to make pillar shaped movable block 82 in slide guide by the first fluted disc 7
It is slided in slot 84 and drives bar shaped swing frame 83 to be rotatablely connected block 85 for axis swing, to make swing component 86 drive latch 87
It swings and is engaged with rack 89, to drive the sliding in fixed frame 11 of mobile item 88, by under the rotation auxiliary of eccentric turntable 13
Babinet 10 is longitudinal to be shaken, and is driven connecting plate 1202 and sliding panel 1203 to slide by support plate 1201, is driven by axis pin 1204
Connector 1205 moves, and to make connector 1205 that lower box 10 be driven to move, lower box 10 is supported by loading plate 1216, from
And so that buffer board 1215 is driven 1214 deformation of torsionspring and drive column link block 1211 to move down by fixed link 1213,
To make column link block 1211 squeeze contact block 1210 and side plate 1208 and by position limiting slide block 1217 in limit slide guide bar
Slide downward in 1218 will be upper by sieve to make side plate 1208 that fixed plate 1207 be driven to be pressed down against resetting spring 1206
Babinet 61 is sifted out with the reclaimed materials in lower box 10.
It can to sum up obtain, the screening plant of asphalt mixture reproduction, by the way that decelerating motor is arranged in rack 1
2, driving lever 3 and eccentric runner 4 and top box body mechanism 6 and lower box 10 are equipped with, to make the running of decelerating motor 2
It drives top box body mechanism 6 to be shaken on lower part linkage mechanism 12 with lower box 10, while being set by the cooperation of transverse shakiness mechanism 8
It is set effective and lower part linkage mechanism 12 is driven to be moved forward and backward repeatedly, while fully upper box 61 being driven to be shaken with lower box 10
Rolling dynamic stability is improved, efficiently solves that percussion mechanism in the prior art shakes dynamic stability and service life is poor asks
Topic.
Meanwhile passing through setting fixture block 62, sleeve 63, compressed spring 64, buffer substrate tablet 65, buffer bar in top box body mechanism 6
66, it connects sphere 67 and helps pulley 68, effectively buffer and stablize rolling of the upper box 61 in the case where eccentric runner 4 and contact plate 5 drive
It is dynamic, effectively increase the moving stability of the upper box 61 in screening process.
Meanwhile the cooperation by opening up dashpot and fastener 14, buffer subsystem 15 and snubber block 16 on lower box 10
Setting, passes through buffer subsystem 15 and plays preliminary cushioning effect, while being risen by snubber block 16 when 66 stress of buffer bar being made to move downward
To safety effect, avoids buffer bar 66 from being generated with the bottom of dashpot and contact, ensure that the rolling dynamic stability of lower box 10.
Meanwhile by the way that the second fluted disc 81, pillar shaped movable block 82, bar shaped swing frame 83 and guide runner 84, and rotation is arranged
Link block 85, swing component 86, latch 87, mobile item 88 and rack 89 are equipped with, and are driven when pillar shaped movable block 82 being made to rotate
Bar shaped swing frame 83 shakes, while ensureing the swing campaign of swing component 86 by being rotatablely connected block 85, makes latch 87 and tooth
Item 89 engages and mobile item 88 is driven to be moved forward and backward with lower part linkage mechanism 12, ensure that the rolling dynamic stability of lower box 10.
Meanwhile by the way that connecting plate 1202, sliding panel 1203, axis pin 1204 and connector are arranged in support plate 1201
1205, the motion track of lower box 10 is effectively limited, while effectively increasing the rolling dynamic stability of lower box 10.
Meanwhile by opening up spring groove 1212 and fixed link 1213, torsionspring on column link block 1211
1214, buffer board 1215 and loading plate 1216 are equipped with, and to effectively support lower box 10, and effectively increase lower box
10 rolling dynamic stability.
Meanwhile by the way that fixed plate 1207, side plate 1208, motion bar 1209 and contact block are arranged on resetting spring 1206
1210 and position limiting slide block 1217 and limit slide guide bar 1218 be equipped with, in the same of limitation 1209 motion track of motion bar
When ensure the deformation stability of resetting spring 1206, avoiding existing spring, the crooked situation of deformation occurs after long-term use.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating currents, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control action.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of asphalt screening plant of mixture reproduction, including rack (1), it is characterised in that：The rack (1)
Decelerating motor (2) is provided at the top of left wall, and the output shaft of decelerating motor (2) passes through one end of shaft coupling and driving lever (3)
It being fixedly connected, the one end of the driving lever (3) far from decelerating motor (2) is movably connected in the top on the left of rack (1) right wall,
And eccentric runner (4) is socketed on driving lever (3), the bottom of the bias runner (4) connects with the top slide of contact plate (5)
It connects, and the both sides of contact plate (5) bottom are fixedly connected with the both sides at the top of top box body mechanism (6) respectively, the driving lever (3)
Be socketed with the first fluted disc (7) on left and right ends, and the bottom of two the first fluted discs (7) respectively with Liang Ge transverse shakinesses mechanism
(8) top engagement, two transverse shakiness mechanisms (8) are movably connected in rack by two rotation fixed blocks (9) respectively
(1) on the opposite side of inner wall, and lower box (10) is provided between Liang Ge transverse shakinesses mechanism (8), the lower box (10)
Top in slidably connect the bottoms of top box body mechanism (6), and the bottom of lower box (10) and lower part linkage mechanism (12) are solid
Fixed connection, the lower part linkage mechanism (12) are fixedly mounted on the interior bottom of rack (1).
2. a kind of screening plant of asphalt mixture reproduction according to claim 1, it is characterised in that：It is described
Top box body mechanism (6) includes upper box (61), fixture block (62), sleeve (63), compressed spring (64), buffer substrate tablet (65), buffer bar
(66), it connects sphere (67) and helps pulley (68), the upper box (61) is interior embedded with sieve plate with lower box (10), and two are sieved
The front of upper box (61) and lower box (10) is extended through on front side of plate and extends to outside, at the top of the upper box (61)
Both sides are fixedly connected with the both sides of contact plate (5) bottom respectively, and the both sides of upper box (61) bottom are recessed inwardly the company of being formed
Access slot, the left and right sides of link slot inner wall are embedded with fixture block (62), and the opposite side of two fixture blocks (62) respectively with sleeve
(63) it is fixedly connected at left and right sides of, compressed spring (64), and the bottom of compressed spring (64) is socketed on the sleeve (63)
It being fitted closely at the top of lower box (10), the top of the compressed spring (64) is fixedly connected with the bottom of buffer substrate tablet (65),
And the left and right sides of buffer substrate tablet (65) is slidably connected with the inner wall both sides of link slot respectively, the top of the sleeve (63) is through slow
The top of punching (65), and it is interspersed with buffer bar (66) in sleeve (63), the top of the buffer bar (66) is fixedly connected with company
It receives body (67), and connects the both sides up and down at left and right sides of sphere (67) and be respectively provided with and help pulley (68), pulley is helped described in four
(68) side surface is slidably connected with the inner wall of link slot, and the top of lower box (10) is run through in the bottom end of the buffer bar (66)
And extend in the top of lower box (10), and dashpot, dashpot inner wall are offered in the both sides at the top of lower box (10)
The left and right sides be embedded with fastener (14), the opposite sides of two fasteners (14) left and right with buffer subsystem (15) respectively
Both sides are fixedly connected, and snubber block (16) is provided with below buffer subsystem (15), the bottom of the snubber block (16) and dashpot
Interior bottom be fixedly connected.
3. a kind of screening plant of asphalt mixture reproduction according to claim 1, it is characterised in that：It is described
Transverse shakiness mechanism (8) includes the second fluted disc (81), pillar shaped movable block (82), bar shaped swing frame (83), guide runner (84), rotation
Link block (85), swing component (86), latch (87), mobile item (88) and rack (89), the top of second fluted disc (81) and
The bottom of first fluted disc (7) is engaged, and the circle centre position of the second fluted disc (81) is interspersed with spill spin block (17), two spill spin blocks
(17) opposite one end is respectively and movably connected in two rotation fixed blocks (9), and the pillar shaped movable block (82) is fixedly connected on
The position of proximal edge, and the side surface of pillar shaped movable block (82) and bar shaped swing frame (83) are leaned on second fluted disc (81) side surface
Inner wall is slidably connected, and the bottom end of the bar shaped swing frame (83) is movably connected in the interior of rack (1) by being rotatablely connected block (85)
On wall, and guide runner (84) is offered on the inner wall of bar shaped swing frame (83), one end of the rotation connection block (85) and rack
(1) inner wall flexible connection, and the other end for being rotatablely connected block (85) is socketed with eccentric turntable (13), the bias turntable (13)
It is slidably connected in the side wall of lower box (10), the inner wall of the guide runner (84) is slided with the side surface of pillar shaped movable block (82)
It connects, is fixedly connected at the top of the bottom of the bar shaped swing frame (83) and swing component (86), and the bottom of swing component (86) is solid
Surely it is connected with latch (87), mobile item (88) is provided with below the latch (87), and on the rear and front end of mobile item (88)
It is socketed with fixed frame (11), two fixed frames (11) are respectively fixedly connected on the front and rear sides of rack (1) inner wall, and two
Be fixedly connected with rack (89) at the top of a mobile item (88), and the top of two racks (89) respectively with two latches
(87) bottom engagement.
4. a kind of screening plant of asphalt mixture reproduction according to claim 1, it is characterised in that：It is described
Lower part linkage mechanism (12) includes support plate (1201), connecting plate (1202), sliding panel (1203), axis pin (1204), connector
(1205), resetting spring (1206), fixed plate (1207), side plate (1208), motion bar (1209), contact block (1210), column
Link block (1211), spring groove (1212), fixed link (1213), torsionspring (1214), buffer board (1215), loading plate
(1216), position limiting slide block (1217) and limit slide guide bar (1218), the left and right sides of the support plate (1201) respectively with two
The opposite side of mobile item (88) is fixedly connected, and slidably connects connecting plate (1202), the connection in support plate (1201)
The bottom of plate (1202) is fixedly connected with sliding panel (1203), and sliding panel (1203) is slidably connected at the interior of support plate (1201)
In bottom, axis pin (1204) is interspersed in the top of the connecting plate (1202), and connector is socketed on axis pin (1204)
(1205), it is fixedly connected in the middle part of the top of the connector (1205) and lower box (10) bottom, the connecting plate (1202)
The left and right sides be both provided with resetting spring (1206), and the bottom end of two resetting springs (1206) is respectively fixedly connected with and is supporting
The left and right sides of plate (1201) interior bottom is fixedly connected with fixed plate (1207) at the top of the resetting spring (1206), and solid
It has been fixedly connected with side plate (1208) at left and right sides of fixed board (1207), motion bar is interspersed in two side plates (1208)
(1209), and two motion bar (1209) tops are socketed with contact block with the junction at the top of two side plates (1208)
(1210), the top of two motion bars (1209) has been fixedly connected with column link block (1211), and column link block
(1211) left and right sides at the top of offers spring groove (1212), the front and rear sides of spring groove (1212) inner wall respectively with
The rear and front end of fixed link (1213) is fixedly connected, and torsionspring (1214) is socketed on two fixed links (1213), and two
Buffer board (1215) is socketed on a fixed link (1213), and far from column link block at the top of two buffer boards (1215)
(1211) side has been fixedly connected with loading plate (1216), and the both ends of the torsionspring (1214) are plugged on spring groove respectively
(1212) in inner wall and buffer board (1215), the top of the loading plate (1216) is fixed with the bottom of lower box (10) to be connected
It connects, the bottom end of the motion bar (1209) is fixedly connected with position limiting slide block (1217), and the top of the support plate (1201) is fixed
It is connected with limit slide guide bar (1218), and limits the both sides for slidably connecting position limiting slide block (1217) in slide guide bar (1218).
5. a kind of screening plant of asphalt mixture reproduction according to claim 3, it is characterised in that：It is described
The side surface of opposite second fluted disc (81) one end of pillar shaped movable block (82) extends outwardly, and opposite second tooth of pillar shaped movable block (82)
The distance between the diameter of disk (81) one end and two guide runner (84) inner walls match.
6. a kind of screening plant of asphalt mixture reproduction according to claim 4, it is characterised in that：It is described
The elastic force of resetting spring (1206) is more than the dead weight of fixed plate (1207), and is fixedly connected at left and right sides of fixed plate (1207)
There are reinforcer, the top of two reinforcers to be fixedly connected respectively with the bottom of two side plates (1208).
7. a kind of screening plant of asphalt mixture reproduction according to claim 1, it is characterised in that：It is described
Eccentric runner (4) is embedded with clump weight, and clump weight is located at the front side of eccentric runner (4) central axes, and the shape of clump weight is half
Circle, and the weight of clump weight is more than the weight of eccentric runner (4).
8. a kind of screening plant of asphalt mixture reproduction according to claim 3, it is characterised in that：It is described
It is provided with auxiliary wheel on the inner wall of rotation fixed block (9), and the side surface of auxiliary wheel is recessed inwardly to form annular groove, the rotation
Fixed ring is socketed on the side surface of block (17), and the side surface of fixed ring is slidably connected in annular groove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499007.0A CN108672268B (en) | 2018-05-23 | 2018-05-23 | Screening plant of mixture reproduction for petroleum pitch |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010155780.2A Division CN111330835B (en) | 2018-05-23 | 2018-05-23 | Screening device for reproducing mixture for petroleum asphalt and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108672268A true CN108672268A (en) | 2018-10-19 |
| CN108672268B CN108672268B (en) | 2020-04-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810499007.0A Active CN108672268B (en) | 2018-05-23 | 2018-05-23 | Screening plant of mixture reproduction for petroleum pitch |
| CN202010155780.2A Expired - Fee Related CN111330835B (en) | 2018-05-23 | 2018-05-23 | Screening device for reproducing mixture for petroleum asphalt and using method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| Country | Link |
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| CN (2) | CN108672268B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253372A (en) * | 2022-07-15 | 2022-11-01 | 四川新辉煌动物药业有限公司 | Process and device for extracting and purifying gypsum and licorice |
Families Citing this family (4)
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| CN111955765B (en) * | 2020-08-25 | 2021-06-22 | 张群伍 | Former seed insolation device after star moon bodhi shells |
| CN113281372B (en) * | 2021-06-17 | 2022-07-22 | 温州信达交通工程试验检测有限公司 | Asphalt softening point tester |
| 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 |
| CN118045419B (en) * | 2024-04-16 | 2024-07-09 | 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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| CN205270115U (en) * | 2016-01-12 | 2016-06-01 | 方存 | Novel shale shaker for civil engineering |
| KR101684386B1 (en) * | 2016-02-18 | 2016-12-08 | 천계성 | Sand impurity removal device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108672268B (en) | 2020-04-21 |
| CN111330835B (en) | 2021-02-09 |
| CN111330835A (en) | 2020-06-26 |
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