CN112127239A - Multifunctional paver for asphalt pavement and construction method thereof - Google Patents

Abstract

The invention discloses a multifunctional paver for asphalt pavements, which comprises a paver body, wherein a walking device is arranged at the bottom of the paver body, a case and a storage box are arranged in the middle of the paver body, a cooling box is arranged at one side of the case, a cab is arranged at the top of the case, the bottom of the storage box is connected with a distributing box through a conveying belt, and an ironing device with adjustable height is arranged on the paver body at the rear side of the distributing box. According to the invention, the feeding box and the ironing device are improved, the large-aperture filter screen is matched with the vibration exciter to disperse materials more uniformly, the materials are prevented from being accumulated together to influence the paving uniformity, the paving or finishing of the road surface is more smooth through the matching of the front and rear compression rollers and the compaction device, the paved materials are flapped and compacted while being paved, the height of the ironing device is conveniently adjusted through the arrangement of the lifting mechanism, the material paving thickness is further conveniently adjusted, and the construction quality is ensured.

Description

Multifunctional paver for asphalt pavement and construction method thereof

Technical Field

The invention relates to the technical field of asphalt pavers, in particular to a multifunctional asphalt pavement paver and a construction method thereof.

Background

Asphalt pavement refers to various types of pavement that are made by incorporating into mineral materials a road asphalt material. The asphalt binder improves the capability of the paving aggregate to resist damage of traveling vehicles and natural factors to the pavement, and enables the pavement to be smooth, less in dust, impermeable and durable. Accordingly, asphalt pavement is one of the most widely used high-grade pavements in road construction. The asphalt structure layer of asphalt pavement belongs to the category of flexible pavement, but the base layer of the asphalt pavement can also adopt rigid cement concrete or semi-rigid hydraulic material besides flexible material. In the construction of asphalt pavements, asphalt paving equipment is often needed, the pavement paving thickness of the existing asphalt paving equipment is inconvenient to adjust and uneven to pave, paving operation and tamping operation cannot be carried out synchronously, and the working efficiency is low.

Disclosure of Invention

The invention aims to provide a multifunctional paver for an asphalt pavement and a construction method thereof, which aim to solve the technical problems in the background technology.

In order to achieve the technical purpose, the invention adopts the following technical scheme:

a multifunctional paver for asphalt pavements comprises a paver body, wherein a walking device is arranged at the bottom of the paver body, a chassis and a storage box are arranged in the middle of the paver body, a cooling box is arranged at one side of the chassis, a cab with a sunshade is arranged at the top of the chassis, the bottom of the storage box is connected with a distributing box through a conveying belt, and an ironing device is arranged on the paver body at the rear side of the distributing box;

the ironing device is apart from ground height-adjustable, including the mounting bracket, the mounting bracket links to each other with the paver fuselage, and two compression rollers are installed to inboard front end, and the plain bumper is installed to the rear end, the compression roller links to each other with second servo motor's output, the plain bumper includes bracing piece, compacting plate and drive shaft, the bracing piece is fixed in mounting bracket top four corners position and downwardly extending, and the bottom passes through the spring and links to each other with the compacting plate, install a plurality of compacting rod on the compacting plate top surface, the top is equipped with the drive shaft, the parallel compression roller setting of drive shaft, and rotate and install on the mounting bracket, the one end of keeping away from second servo motor links to each other with third servo motor's output, and the external fixation has the stripper plate that is the annular array and distributes, and two adjacent stripper.

Preferably, the device of ironing passes through elevating system and installs on the paver fuselage, elevating system is including locating the mount on the paver fuselage, screw rod and the slide bar that is parallel to each other are installed to the mount inboard, the equal vertical setting of screw rod and slide bar, the cover is equipped with the connecting seat on the body of rod of the two, and the one end of screw rod links to each other with fourth servo motor's output, the connecting seat is equipped with two, one side and the screw rod threaded connection of every connecting seat, and the opposite side slides with the slide bar and links to each other, and the outside links to each other with the device of ironing through the crane, the crane correspondence sets to triangle-shaped frame construction, and two bights thereof are fixed.

Preferably, the cloth case includes the cloth case body, spiral conveying pipeline and filter screen are installed in proper order to inside top-down of cloth case body, the spiral conveying pipeline rotates and installs on the cloth case body, and one end links to each other with first servo motor's output, has seted up heliciform chute feeder on the body, and the chute feeder is from the body middle to the spiral of both ends extension soon to opposite, the filter screen level sets up, and the vibration exciter is installed to the bottom.

Preferably, the storage case includes the storage case body, storage case body top articulates there is the apron, and the heat-conducting plate is all installed to the inner chamber both sides, the heat-conducting plate separates the storage case body into the heating chamber of both sides and the storage chamber triplex at middle part, install spiral heating pipe in the heating chamber.

Preferably, a refrigerator is installed inside the cooling box, a condensing pipe is installed at an air outlet of the refrigerator, the condensing pipe is arranged in a snake shape, and a condenser is installed at the air outlet of the condensing pipe.

Preferably, running gear includes the support frame, a plurality of walking wheel is installed to the inboard of support frame, the outside cover of walking wheel is equipped with the track, adopts crawler-type running gear, not only is favorable to keeping the stability of equipment, can enlarge the lifting surface area on road surface moreover, reduces the damage to the road surface.

In addition, the invention also provides a construction method of the multifunctional paver for the asphalt pavement, which comprises the following steps,

the method comprises the following steps: starting the paver, operating equipment in a cab by an operator, and moving the paver to a construction starting road section through a traveling device;

step two: the cover plate of the storage box is opened, materials are poured into the storage box, the cover plate is closed, heat loss is avoided, heat is continuously generated through the spiral heating pipe, the heat is uniformly transmitted to the materials through the heat conducting plate, the materials are kept at proper temperature, the materials are prevented from being condensed and separated, meanwhile, the cooling box component is started, cold air is generated through the refrigerator, the condensing pipe and the condenser and is conveyed into the case, the temperature in the case is reduced, and the damage of equipment caused by overhigh temperature of a hydraulic system in the case is avoided;

step three: according to the paving thickness of the pavement, the discharge amount of a material distribution box is adjusted, materials are conveyed into the material distribution box through a conveying belt at a proper speed, the materials drop from the middle of the material distribution box, a first servo motor is started and adjusted to a proper rotating speed, a spiral conveying pipe is driven to rotate, the concentrated materials are dispersed and uniformly paved, a vibration exciter is adjusted to a proper power, the materials are shaken down at a proper speed by matching with a large-aperture filter screen, and material residues cannot remain on the filter screen, so that the material waste is avoided;

step four: an operator controls equipment in a cab, drives the ironing device to move up and down through the lifting mechanism, and adjusts the distance between the ironing device and the road surface so as to adjust the paving thickness of the road surface;

step five: an operator controls the paver to move forward at a proper speed along the road building direction in a cab, materials are uniformly paved on a road surface through a conveying belt and a distribution box, a second servo motor and a third servo motor are started, the second servo motor drives a front compression roller and a rear compression roller to rotate, the front compression roller pushes the materials away, the rear compression roller preliminarily flattens the materials, meanwhile, the third servo motor drives an extrusion plate to rotate through a driving shaft, a compaction rod is continuously beaten, the compaction rod drives the compaction plate to move downwards under the pushing of the extrusion plate, and therefore the road surface is continuously tamped and compacted;

step six: and repeating the second step to the fifth step until the paving work of all the asphalt pavements in the work area is completed.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the spiral heating pipe and the heat conducting plate are arranged in the storage box, so that the phenomenon of condensation after asphalt is put into the storage box can be effectively avoided, the asphalt conveying and paving efficiency is improved, the material waste is greatly reduced, and the construction cost is reduced;

2. the invention improves the feeding box and the ironing device, the large-aperture filter screen is matched with the vibration exciter to disperse materials more uniformly, the materials are prevented from being accumulated together to influence the evenness of paving, the front and the rear compression rollers are matched with the compaction device, the paving or the finishing of the road surface is more smooth, and the leveled materials are flapped and compacted during the paving;

3. according to the invention, the lifting mechanism is arranged, so that the height of the ironing device can be conveniently adjusted, the material laying thickness can be conveniently adjusted, and the construction quality is ensured;

4. according to the invention, the cooling box is arranged on one side of the case, and when the cooling box is used, cold air generated by the cooling box is conveyed into the case, so that the temperature in the case is greatly reduced, the damage of equipment caused by overhigh temperature of a hydraulic system in the case is effectively avoided, and the service life of the equipment is prolonged.

Drawings

The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative, not limiting of the invention, and in which:

FIG. 1 is a schematic structural diagram of a multifunctional paver for asphalt pavements, according to the present invention;

FIG. 2 is a schematic structural diagram of a traveling device of the multifunctional paver for asphalt pavements, according to the present invention;

FIG. 3 is a schematic view of the internal structure of a cooling tank of the multifunctional paver for asphalt pavements, according to the present invention;

FIG. 4 is a schematic view of the internal structure of a material storage tank of the multifunctional paver for asphalt pavements, according to the present invention;

FIG. 5 is a schematic view of the internal structure of a material distribution box of the multifunctional paver for asphalt pavements, according to the present invention;

FIG. 6 is a schematic view of the internal structure of the ironing device of the multifunctional paver for asphalt pavements, according to the present invention;

fig. 7 is a schematic structural diagram of an ironing device of the multifunctional asphalt pavement paver according to the present invention;

fig. 8 is a schematic view of the internal structure of the lifting mechanism of the multifunctional asphalt paving machine according to the present invention.

Reference numerals: 1-traveling device, 101-supporting frame, 102-traveling wheel, 103-crawler belt, 2-case, 3-cooling box, 301-refrigerator, 302-condenser pipe, 303-condenser, 4-cab, 5-storage box, 501-storage box body, 502-heat conducting plate, 503-spiral heating pipe, 6-conveying belt, 7-material distribution box, 701-material distribution box body, 702-spiral conveying pipe, 703-first servo motor, 704-filter screen, 705-vibration exciter, 8-ironing device, 801-mounting frame, 802-press roller, 803-second servo motor, 804-support rod, 805-compacting plate, 806-spring, 807-drive shaft, 808-compacting plate, 809-compacting rod, compacting rod, 8010-third servo motor, 9-lifting mechanism, 901-fixing frame, 902-screw rod, 903-sliding rod, 904-fourth servo motor, 905-connecting seat and 906-lifting frame.

Detailed Description

Hereinafter, embodiments of an asphalt pavement multipurpose paver and a construction method thereof of the present invention will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

In the description of the present invention, it should be noted that the terms "top", "bottom", "upper", "lower", "inner", "outer", "front", "rear", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, which are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the invention. Like reference numerals are used to denote like parts.

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention. Preferred embodiments of the present invention are described in further detail below with reference to FIGS. 1-8:

as shown in fig. 1, the preferred multifunctional paver for asphalt pavements of the present invention comprises a paver body, wherein a walking device 1 is arranged at the bottom of the paver body, a chassis 2 and a material storage tank 5 are arranged in the middle of the paver body, a cooling tank 3 is installed at one side of the chassis 2, a cab 4 with a sunshade is arranged at the top of the chassis 2, the bottom of the material storage tank 5 is connected with a material distribution tank 7 through a conveyor belt 6, and an ironing device 8 is installed on the paver body at the rear side of the material distribution tank 7;

as shown in fig. 2, the traveling device 1 includes a support frame 101, a plurality of traveling wheels 102 are installed on the inner side of the support frame 101, a crawler belt 103 is sleeved on the outer side of the traveling wheels 102, and the crawler-type traveling device 1 is adopted, so that the stability of equipment is kept, the stressed area of a road surface can be enlarged, and the damage to the road surface is reduced;

as shown in fig. 3, a refrigerator 301 is installed inside the cooling box 3, a condenser pipe 302 is installed at an air outlet of the refrigerator 301, the condenser pipe 302 is arranged in a serpentine shape, a condenser 303 is installed at the air outlet, and cold air is generated by the refrigerator 301, the condenser pipe 302 and the condenser 303 and then is delivered into the case 2, so that the temperature inside the case 2 can be greatly reduced, and the damage of equipment caused by overhigh temperature of a hydraulic system inside the case 2 is effectively avoided;

as shown in fig. 4, the storage box 5 includes a storage box body 501, a cover plate is hinged to the top of the storage box body 501, heat conducting plates 502 are installed on two sides of an inner cavity, the storage box body 501 is divided into a heating cavity on two sides and a storage cavity in the middle by the heat conducting plates 502, a spiral heating pipe 503 is installed in the heating cavity, when in construction, a material is conveyed into the storage box 5, the cover plate is closed to reduce heat loss, then the spiral heating pipe 503 continuously generates heat to keep a proper temperature of the material, and the material is prevented from being condensed;

as shown in fig. 5, the material distribution box 7 includes a material distribution box body 701, a spiral delivery pipe 702 and a filter screen 704 are sequentially installed inside the material distribution box body 701 from top to bottom, the spiral delivery pipe 702 is rotatably installed on the material distribution box body 701, one end of the spiral delivery pipe is connected with the output end of a first servo motor 703, a spiral feeding groove is formed in the pipe body, the spiral directions of the spiral feeding groove extending from the middle of the pipe body to the two ends of the pipe body are opposite, the filter screen 704 is horizontally arranged, and a vibration exciter 705 is installed at the bottom of the spiral feeding;

as shown in fig. 6-7, the ironing device 8 is adjustable in height from the ground, is mounted on the paver body through a lifting mechanism 9, and includes a mounting frame 801, the mounting frame 801 is connected with the paver body, two pressing rollers 802 are mounted at the front end of the inner side, a jolt ramming device is mounted at the rear end, the pressing rollers 802 are connected with the output end of a second servo motor 803, the jolt ramming device includes a supporting rod 804, a compacting plate 805 and a driving shaft 807, the supporting rod 804 is fixed at four corners of the top of the mounting frame 801 and extends downward, the bottom end is connected with the compacting plate 805 through a spring 806, a plurality of compacting rods 809 are mounted on the top surface of the compacting plate 805, a driving shaft 807 is disposed above the compacting plate, the driving shaft is arranged parallel to the pressing rollers 802 and is rotatably mounted on the mounting frame 801, one end far away from the second servo motor 803 is connected with the output end of a third servo motor, two adjacent rows of extrusion plates 808 are arranged in a staggered manner in sequence, a front compression roller 802 and a rear compression roller 802 are driven to rotate by a second servo motor 803, the compression roller 802 at the front end pushes materials away, the compression roller 802 at the rear end performs primary flattening on the materials, meanwhile, a third servo motor 8010 drives a driving shaft 807 to rotate, the driving shaft 807 drives the extrusion plates 808 to rotate, the extrusion plates 808 continuously knock compaction rods 809, the compaction rods 809 drive the compaction plates 805 to move downwards under the pushing of the extrusion plates 808, and the compaction plates 805 are connected with supporting rods 804 by springs 806, so that the compaction plates 805 bounce upwards after the extrusion plates 808 rotate, and are then pressed by the next extrusion plate 808 again, and the compaction plates 805 continuously vibrate upwards and downwards due to the staggered arrangement of the extrusion plates 808, so that the compaction plates 805 continuously flap the road surface, and further compact the materials;

as shown in fig. 8, the lifting mechanism 9 includes a fixed mount 901 provided on the body of the paver, a screw 902 and a slide rod 903 which are parallel to each other are arranged on the inner side of the fixing frame 901, the screw 902 and the slide rod 903 are both vertically arranged, a connecting seat 905 is sleeved on the rod bodies of the screw 902 and the slide rod 903, one end of the screw 902 is connected with the output end of the fourth servo motor 904, two connecting seats 905 are arranged, one side of each connecting seat 905 is in threaded connection with the screw 902, the other side is in sliding connection with the sliding rod 903, the outside is connected with the ironing device 8 through a lifting frame 906, the lifting frames 906 are correspondingly arranged into a triangular frame structure, two corners of the ironing device are respectively fixed on two connecting seats 905, and during construction, the screw 902 is driven to rotate by the fourth servo motor 904, and the screw 902 drives the connecting seats 905 to slide along the sliding rod 903, so that the lifting frame 906 is driven to adjust the height of the ironing device 8.

The invention relates to a construction method of a multifunctional paver for an asphalt pavement, which comprises the following steps,

the method comprises the following steps: starting the paver, operating the equipment in the cab 4 by an operator, and moving the paver to the construction starting road section through the traveling device 1;

step two: the cover plate of the storage box 5 is opened, materials are poured into the storage box 5, the cover plate is closed, heat loss is avoided, heat is continuously generated through the spiral heating pipe 503, the heat is uniformly transmitted to the materials through the heat conducting plate 502, the materials are kept at proper temperature, the materials are prevented from being condensed and separated, meanwhile, the components of the cooling box 3 are started, cold air is generated through the refrigerator 301, the condensing pipe 302 and the condenser 303 and is conveyed into the case 2, the internal temperature of the case 2 is reduced, and the damage of equipment caused by overhigh temperature of a hydraulic system in the case 2 is avoided;

step three: according to the paving thickness of the pavement, the discharging amount of a material distribution box 7 is adjusted, materials are conveyed into the material distribution box 7 through a conveying belt 6 at a proper speed, the materials drop from the middle of the material distribution box 7, a first servo motor 703 is started and adjusted to a proper rotating speed, a spiral conveying pipe 702 is driven to rotate, concentrated materials are dispersed and uniformly paved, a vibration exciter 705 is adjusted to a proper power, the materials are shaken down at a proper speed by matching with a large-aperture filter screen 704, and material residues cannot remain on the filter screen 704, so that the material waste is avoided;

step four: an operator controls equipment in the cab 4, drives the ironing device 8 to move up and down through the lifting mechanism 9, and adjusts the distance between the ironing device 8 and the road surface so as to adjust the paving thickness of the road surface;

step five: an operator controls the paver to advance at a proper speed along the road building direction in the cab 4, materials are uniformly paved on the road surface through the conveying belt 6 and the material distribution box 7, the second servo motor 803 and the third servo motor 8010 are started, the second servo motor 803 drives the front pressing roller 802 and the rear pressing roller 802 to rotate, the front pressing roller 802 pushes the materials away, the rear pressing roller 802 preliminarily flattens the materials, meanwhile, the third servo motor 8010 drives the extrusion plate 808 to rotate through the driving shaft 807, the compaction rod 809 is continuously beaten, the compaction rod 809 drives the compaction plate 805 to move downwards under the pushing of the extrusion plate 808, and therefore the road surface is continuously beaten and tamped, and the materials are compacted.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (7)

1. The utility model provides a multi-functional paver of bituminous paving which characterized in that: the paving machine comprises a paving machine body, wherein a walking device (1) is arranged at the bottom of the paving machine body, a case (2) and a storage box (5) are arranged in the middle of the paving machine body, a cooling box (3) is installed at one side of the case (2), a cab (4) with a sunshade is arranged at the top of the case, the bottom of the storage box (5) is connected with a cloth box (7) through a conveying belt (6), and an ironing device (8) is installed on the paving machine body at the rear side of the cloth box (7);

the ironing device (8) is adjustable in height from the ground and comprises an installation frame (801), the installation frame (801) is connected with a paver body, two pressing rollers (802) are installed at the front end of the inner side of the installation frame, a jolt ramming device is installed at the rear end of the installation frame, the pressing rollers (802) are connected with the output end of a second servo motor (803), the jolt ramming device comprises a supporting rod (804), a compacting plate (805) and a driving shaft (807), the supporting rod (804) is fixed at four corners of the top of the installation frame (801) and extends downwards, the bottom end of the supporting rod is connected with the compacting plate (805) through a spring (806), a plurality of compacting rods (809) are installed on the top surface of the compacting plate (805), the driving shaft (807) is arranged above the top of the compacting plate, the driving shaft (807) is parallel to the pressing rollers (802) and is rotatably installed on the installation frame (801), one end, far, the outer surface is fixed with the stripper plate (808) that is the annular array and distributes, and two adjacent rows of stripper plates (808) are crisscross the setting in proper order.

2. The multifunctional paver of asphalt pavement according to claim 1, characterized in that: the ironing device (8) is arranged on the body of the paver through a lifting mechanism (9), the lifting mechanism (9) comprises a fixed frame (901) arranged on the body of the paver, a screw rod (902) and a sliding rod (903) which are parallel to each other are arranged on the inner side of the fixed frame (901), the screw rod (902) and the sliding rod (903) are both vertically arranged, the rod bodies of the screw rod and the sliding rod are sleeved with a connecting seat (905), one end of the screw rod (902) is connected with the output end of the fourth servo motor (904), two connecting seats (905) are arranged, one side of each connecting seat (905) is in threaded connection with the screw rod (902), the other side of each connecting seat is in sliding connection with the sliding rod (903), the outside of each connecting seat is connected with the ironing device (8) through the lifting frame (906), the lifting frame (906) is correspondingly arranged into a triangular frame structure, and two corners of the lifting frame are respectively fixed on the two connecting seats (905).

3. The multifunctional paver of asphalt pavement according to claim 1, characterized in that: cloth case (7) include cloth case body (701), spiral conveying pipeline (702) and filter screen (704) are installed in proper order to cloth case body (701) inside top-down, spiral conveying pipeline (702) rotate to be installed on cloth case body (701), and one end links to each other with the output of first servo motor (703), has seted up the heliciform chute feeder on the body, and the chute feeder is from the body middle to the spiral of both ends extension soon to opposite, vibration exciter (705) are installed to filter screen (704) level setting, bottom.

4. The multifunctional paver of asphalt pavement according to claim 1, characterized in that: storage case (5) are including storage case body (501), storage case body (501) top articulates there is the apron, and heat-conducting plate (502) are all installed to the inner chamber both sides, heating chamber and the storage chamber triplex at middle part of both sides are separated into with storage case body (501) heat-conducting plate (502), install spiral heating pipe (503) in the heating chamber.

5. The multifunctional paver of asphalt pavement according to claim 1, characterized in that: the interior of the cooling box (3) is provided with a refrigerator (301), the air outlet of the refrigerator (301) is provided with a condensation pipe (302), the condensation pipe (302) is arranged in a snake shape, and the air outlet of the condensation pipe is provided with a condenser (303).

6. The multifunctional paver of asphalt pavement according to claim 1, characterized in that: the walking device (1) comprises a support frame (101), a plurality of walking wheels (102) are mounted on the inner side of the support frame (101), and a crawler belt (103) is sleeved on the outer side of each walking wheel (102).

7. The construction method of the multifunctional paver for asphalt pavements as claimed in any one of claims 1 to 6, characterized by comprising the steps of,

the method comprises the following steps: starting the paver, operating equipment in a cab (4) by an operator, and moving the paver to a construction starting road section through a traveling device (1);

step two: opening the storage box (5), pouring materials into the storage box (5), closing the storage box (5), and starting the cooling box (3) assembly to cool the case (2);

step three: the discharge amount of the material distribution box (7) is adjusted according to the paving thickness of the pavement;

step four: the distance between the ironing device (8) and the road surface is adjusted, and the paving thickness of the road surface is further adjusted;

step five: an operator controls the paver to move forward at a proper speed along the road building direction in the cab (4), materials are uniformly paved on the road surface through the conveying belt (6) and the material distribution box (7), and the materials are paved and compacted through the ironing device (8);

step six: and repeating the second step to the fifth step until the paving work of all the asphalt pavements in the work area is completed.

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