CN203577949U - Crushing device for recycled asphalt mixture - Google Patents
Crushing device for recycled asphalt mixture Download PDFInfo
- Publication number
- CN203577949U CN203577949U CN201320800134.2U CN201320800134U CN203577949U CN 203577949 U CN203577949 U CN 203577949U CN 201320800134 U CN201320800134 U CN 201320800134U CN 203577949 U CN203577949 U CN 203577949U
- Authority
- CN
- China
- Prior art keywords
- milling
- asphalt mixture
- jaw
- breaker
- roll
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000010426 asphalt Substances 0.000 title claims abstract description 32
- 239000000203 mixture Substances 0.000 title claims abstract description 29
- 238000003801 milling Methods 0.000 claims abstract description 62
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000005336 cracking Methods 0.000 claims description 29
- 239000002699 waste material Substances 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 9
- 230000008520 organization Effects 0.000 abstract 1
- 108010066057 cabin-1 Proteins 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 238000013467 fragmentation Methods 0.000 description 4
- 238000006062 fragmentation reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 235000010585 Ammi visnaga Nutrition 0.000 description 2
- 244000153158 Ammi visnaga Species 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Images
Abstract
The utility model relates to a crushing device for a recycled asphalt mixture. The crushing device comprises a crushing bin, a crushing roll, a driving motor and jaw plates, wherein the crushing bin is provided with a feeding hole and a discharging hole, the crushing roll is arranged in the crushing bin, the driving motor is used for driving the crushing roll to rotate, and the jaw plates are arranged, relative to the crushing roll, on the crushing bin; a plurality of plane cutters are distributed on the outer peripheral surface of the crushing roll, a plurality of milling troughs for being stretched by the plane cutters are formed in the surfaces, relative to the crushing roll, of the jaw plates, and gaps for containing coarse aggregates in coarse materials are formed between the plane cutters and the milling troughs and are used for preventing the coarse aggregates from being clamped and crushed as well as preventing original organization of the recycled asphalt mixture from being damaged. According to the crushing device, the crushing is carried out in a staggered holding-on manner, so that the problem that the RAP (recycled asphalt mixture) is difficult to crush due to the viscidity of the asphalt is solved, and the crushing efficiency and effect are effectively improved.
Description
Technical field
The utility model relates to a kind of waste asphalt mixture breaker of (being called for short RAP:recycled asphalt pavement) that is exclusively used in.
Background technology
Asphalt mixture heat regeneration technology be by old pavement material through digging or milling, fragmentation, screening utilize special equipment by its oven dry, heating, thawing with a certain proportion ofly newly gather materials, the material such as new pitch mixes and stirs again, formation has a whole set of technology of the regenerating mixture of certain pavement performance.In order to obtain high-quality reclaimed asphalt mixture, crushing and screening will be one of requisite technique of reworked material pretreatment.Owing to there being the existence of pitch in old material, when temperature approaches asphalt solidification point, old material will harden and even lump.Result agglomerate diameter is greater than 50mm, after just cannot make waste asphalt mixture inside be heated to the temperature of needs in the technical process of heating, drying.Because internal temperature is lower, make the inside of old material still in sclerosis caking state, like this can not be broken in the flow process of the caking of size after being heated.Such caking can not complete while making in other technical process below smoothly, affects mixture gradation, thereby has a strong impact on asphalt product quality.So excessive RAP needs to carry out fragmentation before heating.
Current, what generally adopt is that jaw crusher etc. carries out fragmentation, and these disintegrating machine operation principles are that the methods by pushing or knocking are carried out fragmentation.Bitumen recovery compound is that the pitch by viscosity bonds together the building stones of all size, pushes or knock for the viscosity effect of pitch limited, and the degree being therefore broken is low, cannot reach the specification requirement of grating.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, the breaker that is exclusively used in waste asphalt mixture is provided, and this breaker is to be carried out efficiency crushing and can not destroyed the original grating of RAP because smashing coarse aggregate in shattering process by the mode of staggered interlock.
The purpose of this utility model realizes by following technical solution:
A kind of waste asphalt mixture breaker, it is characterized in that: comprise be provided with charging and discharging mouth cracking cabin, be arranged at breaker roll in cracking cabin, drive drive motors that breaker roll rotates, be relatively arranged on the jaw on cracking cabin with breaker roll, the outer peripheral face of described breaker roll is distributed with some milling cuttves, on the opposite face of described jaw and breaker roll, be provided with the some milling grooves that stretch into for milling cutter, between described milling cutter and milling groove, form the gap hold coarse aggregate in coarse fodder, for preventing from being caught broken original collection that coarse aggregate destroys waste asphalt mixture, join.
Further, described jaw top is arranged on cracking cabin by pivotal axis rotationally, described jaw bottom is movably arranged on cracking cabin by elasticity pre-tightening mechanism, and described elasticity pre-tightening mechanism is for applying the pretightning force towards described breaker roll one side to described jaw.
Further, described elasticity pre-tightening mechanism comprises the pull bar that is connected on described cracking cabin, can move on the interstage sleeve of adjusting, sheathed and pull bar and be compressed in the spring between interstage sleeve and jaw along pull bar.
Further, between described cracking cabin and jaw, be provided with limit adjusting mechanism, described limit adjusting mechanism comprises the nut being fixedly installed on described jaw and is arranged at the bolt on nut, the front end of described bolt withstands on described cracking cabin, by rotating the gap of the adjustable jaw of described bolt and breaker roll.
Further, be provided with some wear-resistant pipes that are arranged in parallel on the opposite face of described jaw and breaker roll, the cross section of wear-resistant pipe is triangle, forms V-arrangement milling groove between adjacent two wear-resistant pipes, and wear-resistant pipe is removably disposed on described jaw.
Further, described breaker roll outer peripheral face is provided with some groups of milling assemblies that axially equidistantly distribute along it, and every group of milling assembly is comprised of some milling cuttves of circle distribution centered by described breaker roll, the milling cutter interlaced arrangement of two adjacent groups milling assembly.
Further, the described roll body outer peripheral face between adjacent two milling cuttves is attached with abrasion-proof backing block.
Further, described milling cutter is comprised of the cutter that is fixedly installed on the tool rest on described roll body outer peripheral face and be removable installed on tool rest, described cutter is comprised of knife bar and the cutter head that is arranged at knife bar end, and the relatively described roll body radial skew of described cutter is arranged.
Further, described tool rest is formed with the installation through hole that relatively described roll body radial skew extends, and described knife bar is removable installed in described installation through hole by expansion set.
Further, described cutter head is taper cutter head.
The utlity model has following beneficial effect:
In the course of the work, the milling cutter of breaker roll can alternately stretch into and in the milling groove of jaw, form the alternately effect of interlock, make milling cutter can coordinate with milling groove the RAP that bites bulk into pieces, can overcome the not breakable problem that RAP brings because of the viscosity of pitch, effectively improve crushing efficiency and crushing effect, between milling cutter and milling groove, form in addition the gap that holds coarse aggregate, in the time of can preventing work, be caught broken original grating that coarse aggregate destroys RAP; Jaw is movably arranged on cracking cabin and elasticity pre-tightening mechanism is set, and makes jaw have certain buffering effect, prevent breaker roll in when work because RAP particle is compared with large and stuck, cause drive motors overload, burn; Between cracking cabin and jaw, limit adjusting mechanism is set, the gap of adjustable jaw and breaker roll, finally regulates the size in the gap of milling cutter and milling groove, to adapt to the coarse aggregate of different-grain diameter.
The arrangement mode of milling cutter on breaker roll can, between assurance milling cutter in effective clearance, improve the quantity of milling cutter, thereby improve crushing efficiency; Roll body outer peripheral face between adjacent two milling cuttves is attached with abrasion-proof backing block, can protect roll body to prevent roll body wearing and tearing, extends the service life of breaker roll; Milling cutter is comprised of dismountable tool rest and cutter, can be convenient to replacing and the maintenance of cutter, reduces inspection and maintenance cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is stereogram of the present utility model.
Fig. 2 is top view of the present utility model.
Fig. 3 is the stereogram of breaker roll.
Fig. 4 is the axial view of breaker roll.
Fig. 5 is the component decomposition map of milling cutter.
The specific embodiment
Shown in Fig. 5, a kind of waste asphalt mixture breaker, comprise the cracking cabin 1 that is provided with charging aperture and discharging opening, be arranged at the breaker roll 4 in cracking cabin 1, by decelerator 31, connect the drive motors 3 that drives breaker roll 4 to rotate, be relatively arranged on the jaw 2 on cracking cabin 1 with breaker roll 4, the charging aperture of cracking cabin 1 is connected with the discharging opening of aggregate bin 31, breaker roll 4 outer peripheral faces are distributed with some milling cuttves that are comprised of tool rest 44 and cutter 45, on the opposite face of jaw 2 and breaker roll 4, be provided with the some milling groove A that stretch into for milling cutter, between milling cutter and milling groove A, form the gap that holds coarse aggregate in coarse fodder, prevent from being caught broken original grating that coarse aggregate destroys waste asphalt mixture, on cracking cabin 1, be provided with and pick tooth part 11, pick tooth part 11 for rejecting the material being bonded on milling cutter.
The relative vertical plane of jaw 2 is in tilted layout on cracking cabin 1, on the opposite face (front) of jaw 2 and breaker roll 4, be provided with some wear-resistant pipes that are arranged in parallel 28, the cross section of wear-resistant pipe 28 is isosceles triangle, between adjacent two wear-resistant pipes 28, form V-arrangement milling groove A, wear-resistant pipe 28 is removably disposed in the front of jaw 2 by bolt, milling groove A arranges along the axially spaced-apart of breaker roll 4, and extends along the direction of vertical breaker roll 4.The back side of jaw 2 is formed with crisscross reinforcement, jaw 2 tops are arranged on cracking cabin 1 rotationally by pivotal axis 21, jaw 2 bottoms are movably arranged on cracking cabin 1 by two groups of elasticity pre-tightening mechanisms that are symmetrical set, elasticity pre-tightening mechanism is for applying the pretightning force towards breaker roll 4 one sides to jaw 2, concrete elasticity pre-tightening mechanism is by one end and the hinged pull bar 22 of cracking cabin 1, be movably set in the interstage sleeve 24 on pull bar 22, be arranged on pull bar 22 for limiting the nut 23 of interstage sleeve 24 scopes of activities, be sheathed on pull bar 22 and be compressed in interstage sleeve 24 and jaw 2 between spring 25, pretightning force by adjusting nut 23 at the position-adjustable spring 25 of pull bar 22.Jaw 2 bottoms are symmetrically set with two groups of limit adjusting mechanisms, limit adjusting mechanism comprises the nut 27 being fixedly installed on jaw 2 and is arranged at the bolt 26 on nut 27, the front end of bolt 26 withstands on cracking cabin 1, the gap by the adjustable jaw 2 of swivel bolt 26 with breaker roll 4.
During work, waste asphalt mixture enters after cracking cabin 1, fall between jaw 2 and breaker roll 4, breaker roll 3 rotates and makes milling cutter coordinate the staggered coarse fodder of biting into pieces to form fines with milling groove A, the gap that forms coarse aggregate in holding coarse fodder between milling cutter and milling groove A, prevents from being caught broken original grating that coarse aggregate destroys waste asphalt mixture.
The above, it is only preferred embodiment of the present utility model, therefore can not limit the scope that the utility model is implemented with this, the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (10)
1. a waste asphalt mixture breaker, it is characterized in that: comprise be provided with charging and discharging mouth cracking cabin, be arranged at breaker roll in cracking cabin, drive drive motors that breaker roll rotates, be relatively arranged on the jaw on cracking cabin with breaker roll, the outer peripheral face of described breaker roll is distributed with some milling cuttves, on the opposite face of described jaw and breaker roll, be provided with the some milling grooves that stretch into for milling cutter, between described milling cutter and milling groove, form the gap hold coarse aggregate in coarse fodder, for preventing from being caught broken original collection that coarse aggregate destroys waste asphalt mixture, join.
2. a kind of waste asphalt mixture breaker according to claim 1, it is characterized in that: described jaw top is arranged on cracking cabin by pivotal axis rotationally, described jaw bottom is movably arranged on cracking cabin by elasticity pre-tightening mechanism, and described elasticity pre-tightening mechanism is for applying the pretightning force towards described breaker roll one side to described jaw.
3. a kind of waste asphalt mixture breaker according to claim 2, is characterized in that: described elasticity pre-tightening mechanism comprises the pull bar that is connected on described cracking cabin, be movably set in interstage sleeve on pull bar, be arranged on pull bar nut for limiting interstage sleeve scope of activities, be sheathed on pull bar and be compressed in interstage sleeve and jaw between spring.
4. according to a kind of waste asphalt mixture breaker described in claim 1 or 2 or 3, it is characterized in that: between described cracking cabin and jaw, be provided with limit adjusting mechanism, described limit adjusting mechanism comprises the nut being fixedly installed on described jaw and is arranged at the bolt on nut, the front end of described bolt withstands on described cracking cabin, by rotating the gap of the adjustable jaw of described bolt and breaker roll.
5. according to a kind of waste asphalt mixture breaker described in claim 1 or 2 or 3, it is characterized in that: on the opposite face of described jaw and breaker roll, be provided with some wear-resistant pipes that are arranged in parallel, the cross section of wear-resistant pipe is triangle, between adjacent two wear-resistant pipes, form V-arrangement milling groove, wear-resistant pipe is removably disposed on described jaw.
6. according to a kind of waste asphalt mixture breaker described in claim 1 or 2 or 3, it is characterized in that: described breaker roll outer peripheral face is provided with some groups of milling assemblies that axially equidistantly distribute along it, every group of milling assembly is comprised of some milling cuttves of circle distribution centered by described breaker roll, the milling cutter interlaced arrangement of two adjacent groups milling assembly.
7. a kind of waste asphalt mixture breaker according to claim 6, is characterized in that: the described roll body outer peripheral face between adjacent two milling cuttves is attached with abrasion-proof backing block.
8. a kind of waste asphalt mixture breaker according to claim 6, it is characterized in that: described milling cutter is comprised of the cutter that is fixedly installed on the tool rest on described roll body outer peripheral face and be removable installed on tool rest, described cutter is comprised of knife bar and the cutter head that is arranged at knife bar end, and the relatively described roll body radial skew of described cutter is arranged.
9. a kind of waste asphalt mixture breaker according to claim 8, is characterized in that: described tool rest is formed with the installation through hole that relatively described roll body radial skew extends, and described knife bar is removable installed in described installation through hole by expansion set.
10. a kind of waste asphalt mixture breaker according to claim 8, is characterized in that: described cutter head is taper cutter head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800134.2U CN203577949U (en) | 2013-12-06 | 2013-12-06 | Crushing device for recycled asphalt mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800134.2U CN203577949U (en) | 2013-12-06 | 2013-12-06 | Crushing device for recycled asphalt mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203577949U true CN203577949U (en) | 2014-05-07 |
Family
ID=50575928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320800134.2U Expired - Lifetime CN203577949U (en) | 2013-12-06 | 2013-12-06 | Crushing device for recycled asphalt mixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203577949U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772924A (en) * | 2015-04-09 | 2015-07-15 | 黎建军 | Sludge briquetting crushing device |
| CN109529999A (en) * | 2019-01-10 | 2019-03-29 | 福建铁拓机械有限公司 | A kind of permutation and combination method of breaker roll and its crushing teeth |
| CN115430496A (en) * | 2022-08-24 | 2022-12-06 | 泰州市聚兴物资回收有限公司 | Plastic crushing device |
-
2013
- 2013-12-06 CN CN201320800134.2U patent/CN203577949U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772924A (en) * | 2015-04-09 | 2015-07-15 | 黎建军 | Sludge briquetting crushing device |
| CN109529999A (en) * | 2019-01-10 | 2019-03-29 | 福建铁拓机械有限公司 | A kind of permutation and combination method of breaker roll and its crushing teeth |
| CN115430496A (en) * | 2022-08-24 | 2022-12-06 | 泰州市聚兴物资回收有限公司 | Plastic crushing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 362000 No.1 intelligent equipment Industrial Park, Luojiang District, Heshi Town, Luojiang District, Quanzhou City, Fujian Province Patentee after: Fujian tietuo Machinery Co.,Ltd. Address before: 362000 West Industrial Zone, Luojiang District, Fujian, Quanzhou Patentee before: FUJIAN TIETUO MACHINERY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |