Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
  • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
  • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
  • B02C18/0076—Disintegrating by knives or other cutting or tearing members which chop material into fragments with cutting or tearing members fixed on endless flexible members
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B28—WORKING CEMENT, CLAY, OR STONE
  • B28D—WORKING STONE OR STONE-LIKE MATERIALS
  • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
  • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
  • E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
  • E01C19/05—Crushing, pulverising or disintegrating apparatus; Aggregate screening, cleaning, drying or heating apparatus; Dust-collecting arrangements specially adapted therefor
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
  • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
  • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
  • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
  • B02C18/16—Details
  • B02C2018/164—Prevention of jamming and/or overload

Definitions

• the present invention relates to a crushing machine pulverizing the asphalt layer (RAP), which is desired to be recycled by being removed from the place thereof, such that the RAP has dimensions which will be utilized in recycled asphalt concrete (RAC) production.
• RAP asphalt layer
• asphalt concrete obtained from the aggregate and bitumen mixture is utilized as different layers like corrosion layer, binder, straightening layer and base layers on road's upper structure.
• Each of these layers is produced according to recipes prepared in laboratory according to the methods of international standards in order to meet different performance requirements. Different performances expected from each layer are provided by means of recipes prepared by different maximum particle dimension, different gradation and different bitumen proportions. These performance requirements are also valid for the layers to be realized utilizing the recycled asphalt concrete (RAC).
• Asphalt concrete applied to roads should be removed after certain usage duration.
• removed asphalt concrete should be recycled and utilized in the production of new asphalt concrete.
• recycling of the removed asphalt concrete hereafter it will be called RAP
• the usage thereof in the production of new asphalt concrete provides economic advantages.
• the proportion of removed asphalt utilized in the production of new asphalt concrete increases, the economic advantage provided increases more.
• RAP removed asphalt concrete
• RAC new asphalt concrete
• the RAP shall be granulized in the best manner.
• the RAP is poured between two rotary wheels and the RAP is broken to pieces between the teeth of the rotary wheel.
• a crushing device for crushing materials.
• Said crushing device consists of at least one rotor which is rotatable around a rotor axis.
• the device moreover comprises at least one stator, and on this stator, there are pluralities of crushing members telescopically engaging with the hooks in the rotor axis direction.
• the stator is slidable in the direction of the rotor axis.
• the crushing device can be rotated around a stator axis and even it can be preferably moved in the axial and/or vertical direction with respect to the stator axis.
• a machine for crushing recyclable materials such as bottles, cans or the like and providing said materials to occupy less space in cases such as bailing.
• Said machine comprises two conveyors having spike-like elements thereon. Said two conveyors are extending such that said conveyors are approaching each other and said spike-like members are provided at the region which is closest to each other.
• an extractor having two conveyor bands positioned one above the other for separating the waste material from the sacks. There are cutting tools on said conveyor bands, and the cutting tools are driven so as to be in the same direction but with different velocities. Moreover, the distance between the upper and bottom conveyor is adjustable.
• the present invention is a novel crushing machine, which eliminates the abovementioned disadvantages and which brings new advantages to the related technical field.
• the object of the subject matter invention is to provide a crushing machine providing RAP to be brought into granule form in order to be utilized in production of new asphalt concrete.
• Another object of the subject matter invention is to provide a crushing machine whose teeth can be changed in an easy manner after the abrasions and breakages of the teeth crushing the RAP and thereby providing low-cost operation.
• the present invention is a crushing machine having a body positioned on a chassis and at least one crushing unit provided inside said body, in order to pulverize the asphalt layer (RAP), which is desired to be recycled by being removed from the place thereof, for utilizing the RAP again.
• RAP asphalt layer
• Said crushing machine is characterized in that the body has an inlet and an outlet at the opposite of said inlet and said crushing machine is characterized by comprising at least one first crushing unit and at least one second crushing unit approaching each other from the inlet towards the outlet and positioned so as to define a crushing region in between and whereon pluralities of crushing teeth are provided, in order to squeeze and crush the RAP thrown through said inlet into the body and advancing in the direction of the gravitational force.
• the body is provided in a closed form having a front panel and a rear panel positioned in a parallel manner, and having at least two lateral panels.
• said crushing unit comprises at least one chain gear provided at a vicinity of the inlet and driven by at least one drive unit and said crushing teeth are provided thereon; and at least one geared palette provided on at least one chain encircling around at least one chain gear provided at a vicinity of the outlet.
• said geared palette is in the form of a rectangular plate extending between said front panel and said rear panel.
• the geared palette is connected by at least two chains such that there is one chain at the vicinity of the front panel and there is one chain at the vicinity of the rear panel.
• the crushing units are bedded such that they are displaceable in the vertical and horizontal plane in the body.
• the crushing teeth provided on the geared palette connected onto the chain by means of at least one connection flap, is in the form of a tab with a triangular cross section extending from a long edge of the geared palette towards the other long edge thereof.
• At least one tooth gap is provided between the crushing teeth; and the crushing teeth, provided on the crushing units provided mutually by means of said tooth gap, are positioned so as to enter into the tooth gaps of each other.
• at least one recess is provided on the crushing teeth, and at least two types of teeth are obtained since said recesses are provided at different points of the crushing teeth.
• the crushing teeth comprise at least one chamfered part so as to face the tooth gaps on the upper part thereof; and said chamfered part is provided so as to face different directions at both sides of the recess.
• the geared palette comprises at least one bottom wing formed by means of a bent part provided towards the gear; and at least one upper wing on the opposite edge towards the other side.
• said crushing unit comprises at least one upper unit provided at a vicinity of the inlet and whereon the chain is fixed and at least one bottom unit provided at a vicinity of the outlet.
• the body comprises at least one horizontal guide comprising at least two guide walls parallel with respect to each other and parallel with respect to the ground on the front panel and on the rear panel.
• the body comprises at least one guide having at least two guide walls extending from the vicinity of the inlet towards the horizontal guide by diverging from the lateral panel.
• the upper unit can be displaced in the vertical plane.
• said movable bearing comprises at least one channel on the face thereof contacting the guide wall and provided on the movable bearing; and at least one guide provided on the guide wall and moving inside said channel.
• a bending arm extending towards the outlet in a parallel manner with respect to the guide wall from the lateral side of the movable bearing; and at least one spring provided on said bending arm; at least one connection piece preventing exiting of said spring from the bending arm and providing connection to the guide wall.
• connection flap provided in the connection of the connection piece to the guide wall and correspondingly, at least one adjustment slot provided on the guide wall.
• drive shaft bedded inside the horizontal guide by means of at least one each movable bearing from two ends thereof and where the chain gear is provided on said bottom unit.
• the bottom unit can be displaced in the horizontal plane.
• connection flap provided in the connection of the connection piece to the guide wall; and correspondingly, at least one adjustment slot provided on the guide wall.
• the bottom unit comprises a connection flap connected to the movable bearing at the part where the movable bearing is connected to the horizontal guide; and the horizontal guide comprises at least one movement slot permitting the movement of said connection flap inside the guide wall.
• said support unit comprises at least one bottom hinge bedded on the connection plates so as to realize a rotation movement and extending between the connection plates provided on both sides of the body at a vicinity of the bottom unit; and at least one upper hinge provided at a vicinity of the upper unit and extending between the front panel and the rear panel and fixed to the front panel and to the rear panel; and at least one support plate extending between said bottom hinge and said upper hinge.
• said pulley has teeth able to enter between the chain links of the chain extending towards the bottom unit from the upper unit.
• the drive unit is connected to the drive shaft provided at the bottom unit for providing movement to the crushing unit.
• the drive unit comprises at least one reducer connected to the drive shaft and at least one engine providing movement to said reducer.
• each bearing provided at the ground facing parts of the reducer of the first crushing unit and provided at the parts of the reducer of the second crushing unit; at least one shaft extending between said bearings; and at least one spring provided on said shaft and connected to the bearing.
• the lateral panel comprises at least one lateral cover configured so as to provide access into the body.
• the body can be accessed easily.
• FIG. 1 a representative front perspective view of the subject matter crushing machine is given.
• Figure 2 a representative rear perspective view of the subject matter crushing machine is given.
• FIG. 3 the frontal and top representative views of the crushing units of the subject matter crushing machine are given.
• the RAP After the RAP is removed from the ground, first of all, it is transferred onto a vibration unit (not illustrated in the figures). Afterwards, the RAP is vibrated on the vibration unit, and it is formed into smaller blocks having the desired flow rate, and is poured into the crushing machine. The RAP is exiting the crushing machine in the form of granule/particle. Afterwards, the exiting RAP is mixed with aggregate or other asphalt components again and is utilized in forming the new asphalt concrete.
• the crushing machine comprises a chassis (10) preferably made of H profiles and having profiles (1 1 ) positioned in between for increasing resistance; and a body (20) in rectangular prism form formed by at least two lateral panels (25) and at least one rear panel (24) and at least one front panel (23) and having an inlet (21 ) and an outlet (22) on said chassis (10).
• a lateral panel (25) On the lateral panels (25), there is at least one lateral cover (251 ) permitting access into the body (20).
• a horizontal guide (27) is defined between two guide walls (271 ) essentially positioned in a parallel manner with respect to each other and with respect to the ground and extending between the lateral panels (25) and vertically with respect to the panel surface.
• a guide (26) defined between at least two guide walls (261 ) extending so as to diverge from the lateral panel (25) towards the horizontal guide (27) from the upper corners at the vicinity of the inlet (21 ).
• Said guide (26) is positioned in a symmetric manner in the vertical axis between the two lateral panels (25).
• guides (26a, 26b, 26c, 26d) such that there are two guides on the front panel (23) and on the rear panel (24).
• the crushing unit (30) there is at least one crushing unit (30) bedded to the guides (26) from the upper ends thereof inside the body (20) and bedded to the horizontal guides (27) from the bottom ends thereof.
• the crushing unit (30) comprises at least one bottom unit (32), at least one upper unit (34) and at least one support unit (36).
• At least one drive shaft (321 ) extending between the movable bearings (322) provided inside the horizontal guides (27) provided on the front panel (23) and on the rear panel (24), and there is at least one chain gear (331 ) provided on said drive shaft (321 ).
• One end of the drive shaft (321 ) is extending so as to project from the bearing (322).
• connection piece (325) and the guide wall (271 ) are connected by means of at least one connection member (not illustrated in the figures) through the adjustment slot (272) opened on the guide wall (271 ) mutually with a slot (328) opened in the connection flap (326) provided on said connection piece (325).
• connection piece (325) onto the bending arm (324) is performed by means of at least one nut (330).
• preferably two nuts (330) are utilized for preventing loosening of the nut (330).
• said upper unit (34) comprises at least one rotation shaft (341 ) extending between the movable bearings (342) provided inside the guide (26); and at least one chain gear (350) provided on said rotation shaft (341 ).
• connection piece (349) preventing removal of said spring (348) from the bending arm (344) and connecting the bending arm (344) to the body (20).
• the connection piece (349) and the guide wall (261 ) are connected by means of a connection member (not illustrated in the figures) through the adjustment slot (262) formed on the guide wall (261 ) mutually with a slot (347) formed on the connection flap (346) provided on said connection piece (349).
• the assembly of the connection piece (349) to the bending arm (344) is realized by means of at least one nut (345). During the movement formed, preferably two nuts (345) are utilized for preventing loosening of the nut (345).
• the support unit (36) comprises at least two support plates (363) essentially extending in a parallel manner with respect to the front panel (23) and with respect to each other between the bottom unit (32) and the upper unit (34), and comprises at least one pulley (366) bedded on said support plates (363). On said pulley (366), there are teeth similar to the tooth structure of the chain gears (331 , 350).
• the support plates (363) are connected to each other by means of intermediate pieces (364) provided in between.
• the support plates (363) are connected by means of a bottom hinge (361 ) to a connection plate (327) connected to the movable bearing (322) at the bottom unit (32) from the bottom part.
• the bottom hinge (361 ) is passing through the hinge opening (28) formed on the front and rear panels (23, 24) in order to be connected to the movable bearing (322).
• the bottom hinge (361 ) is connected to the connection plate (327) so as to realize a rotation movement. At the upper part, it is reclined to an upper hinge (362) fixed between the front and rear panels (23, 24).
• the pulleys (366) are bedded, by means of at least one bearing (368), onto the bearing shaft (367) fixed, by means of at least one assembly member (369), to the crescent flap (365) provided on the edges of the support plates (363) facing the other crushing unit (30).
• the pulleys (366) are provided to realize a rotary movement on the bearing shaft (367).
• the geared palette (40) is assembled onto the chain (50) by means of connection flaps (52) embodied in L form and connected to said chain (50). Said connection flaps (52) are provided on both sides of the chain (50). As can be seen in Figure 6, said geared palette (40) is provided in a rectangular plate form.
• a bottom wing (43) provided as a bent part along a long edge of the geared palette (40) and there is an upper wing (44) provided as a bent part towards the other side on the opposite long edge.
• said bottom and upper wings (43, 44) are overlapping and prevent piece passage through between.
• assembly holes (45) on the geared palette (40) for providing connection to the connection flap (52).
• the crushing teeth (41 ) of the mutual geared palettes (40) are provided to enter into the tooth gaps (47) of each other.
• At least two types of teeth (41 a, 41 b) are obtained since there is at least one recess (46) on said crushing teeth (41 ) and since said recesses (46) are provided at different points of the crushing teeth (41 ).
• the recesses (46) provided on the crushing teeth (41 ) the overheating and the abrasion of the crushing teeth (41 ) are prevented by preventing exit of the RAP thrown into the body (20) without being crushed and by preventing uninterrupted friction by the RAP at the upper parts of the crushing teeth (41 ).
• the crushing tooth (41 ), provided in the first crushing unit (31 a), is corresponding to the tooth gap (47) provided in the second crushing unit (31 b) provided on the opposite thereof.
• the chain (50) comprises chain links (51 ) between which the teeth, provided on the chain gears (331 , 350) and the pulleys (366), will enter.
• Said drive unit (60) connected to the drive shaft (321 ) for providing movement to the first crushing unit (31 a).
• Said drive unit (60) comprises at least one engine (61 ) and at least one reducer (62).
• the reducer (62) connected to the drive shaft (321 ) and the reducer (62) provided in the opposite crushing unit (31 b) are bedded on at least one shaft (63) by means of at least one bearing (65) from the sides thereof facing the ground. It provides the movement together with the crushing unit (31 a, 31 b) connected to the reducer (62) by means of at least one spring (64) connected to the bearing (65) on said shaft (63).
• the reducers (62) are prevented from rotating in an uncontrolled manner in the axis of the drive shafts (321 ).
• the crushing units (31 a, 31 b) realize rotary movement towards each other however at different speeds in a manner that the pieces thrown in between are guided to the outlet (22).
• the crushing units (31 a, 31 b) can be rotated in the same direction.
• the geared palette (40) extending between the front panel (23) and the rear panel (24) is supported from the vicinity of the two edges and from the middle part thereof.
• the RAP thrown into the body (20) through the inlet (21 ), is entering between the crushing units (31 a, 31 b). Since the RAP in the crushing units (31 a, 31 b) is more in amount in the inlet (21 ) of the distance and it is less in amount at the vicinity of the outlet (22), as the RAP thrown in pieces is lowering, the RAP is crushed between the geared palettes (40) and exits the outlet (22) in granule/particle form.
• the crushing units (31 a, 31 b) are diverging from each other in case the piece, entering between the crushing units (31 a, 31 b), is very hard or very big.
• the bottom units (32) are diverging from each other and the upper units (34) are performing a movement towards the inlet (21 ).
• the crushing units (31 a, 31 b) return to the prior positions thereof.
• the adjustment slots (262, 272) provided in the connection of the connection pieces (324, 349), utilized in the assembly of the springs (329, 348), to the body (20) the movement hardness of the crushing units (31 a, 31 b) and the distance in between can be adjusted by means of the tightening amount of the springs (329, 348). As the distance between the crushing units (31 a, 31 b) is changed, the piece size to be obtained is adjusted.
• the drive unit (60) can be connected to the upper unit (34).

Landscapes

• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Food Science & Technology (AREA)
• Mining & Mineral Resources (AREA)
• Mechanical Engineering (AREA)
• Disintegrating Or Milling (AREA)
• Road Paving Machines (AREA)
• Processing Of Solid Wastes (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (2)

Family

ID=49165715

Family Applications (1)

Country Status (4)

Cited By (6)

Families Citing this family (1)

Citations (3)

Family Cites Families (8)

• 2013
  • 2013-06-27 WO PCT/EP2013/063463 patent/WO2014001428A2/fr not_active Ceased
  • 2013-06-27 JP JP2015519086A patent/JP2015526281A/ja active Pending
  • 2013-06-27 EP EP15178834.6A patent/EP3020864A3/fr not_active Withdrawn
  • 2013-06-27 CA CA2867528A patent/CA2867528A1/fr not_active Abandoned
  • 2013-06-27 EP EP13762071.2A patent/EP2867413A2/fr not_active Withdrawn
  • 2013-06-27 EP EP15178672.0A patent/EP2980315A1/fr not_active Withdrawn

Patent Citations (3)

Also Published As

Similar Documents

Legal Events