Classifications

• • 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
  • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
  • E01C23/16—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings
  • E01C23/20—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ
  • E01C23/22—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ by spraying
• • 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
  • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
  • E01C23/16—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings
• • 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
  • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
  • E01C23/16—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings
  • E01C23/20—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ
  • E01C23/22—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ by spraying
  • E01C23/222—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ by spraying specially adapted for automatic spraying of interrupted, individual or variable markings

Definitions

• the present invention relates, in general, to road line-marking vehicles and, more particularly, to a road line-marking vehicle, which allows marking work to be smoothly performed when a road line, a U-turn symbol, and other symbols are marked on a road, in addition to allowing the marking work to be continuously performed.
• traffic lanes are marked on a road, on which vehicles travel, in yellow or white color, using one or two rows of solid or dotted lines, as set forth in regulations.
• symbols such as a U-turn symbol, a left-turn symbol, or a landmark including a destination, are marked on the road, in addition to road lines.
• the method of marking all symbols on a road is typically classified into a spraying method and a melting method.
• a spraying method all equipment required for marking a road line is loaded into a loading box of a vehicle. While the vehicle is running, a marking material, such as paint, is sprayed through a nozzle.
• a marking material obtained by mixing crushed rock (CaCO3) and resin with other additives in predetermined proportions is used. The marking material is put into a melting tub mounted on a loading box of a vehicle, and is heated to be melted. The molten marking material is applied to mark a road line.
• the spraying method and the melting ' method are selected according to the characteristics of a road.
• the spraying method is more advantageous with respect to working speed, but is problematic in that marks may wear out in a short period of time.
• the melting method is advantageous in that marks can be maintained for a lengthy period of time.
• the melting method is problematic in that working speed is slow, and the marking material must be melted using LPG or other substances when the marking material must be removed due to a change in traffic lanes, and thus it is difficult to remove the marking material .
• the nozzle when impurities are contained in the marking material, the nozzle must be repaired and replaced with another one, so that work efficiency is lowered.
• an object of the present invention is to provide a road line-marking vehicle, which is provided with a plurality of spray nozzles, so that, when one spray nozzle is blocked during marking work, a neighboring spray nozzle is displaced, and the marking work can continue .
• the present invention provides a road line-marking vehicle, having a marking-material supply means 10 filled with a marking material, a pump 20 for forcibly moving the marking material contained in the marking-material supply means 10, an air compressor 70 for generating compressed air, and a marking-material spray means 30 for spraying the marking material on a road, wherein the marking-material spray means 30 includes a cylindrical marking-material feeding pipe 32, into which the marking material fed from the marking-material supply means 10 is guided, an air feeding pipe 34 provided outside the marking- material feeding pipe 32 to be spaced apart from the marking-material feeding pipe by a predetermined interval, and defining a passage 35 for feeding the compressed air generated by the air compressor 70, and a spray nozzle assembly 36 coming into close contact with an outer circumferential surface of an end of the air feeding pipe 34, with a plurality of spray nozzles 37 being arranged on the spray nozzle assembly at regular intervals, so that, when one of the spray nozzles is blocked, the spray nozzle assembly is rotated, to use
• one of the spray nozzles may become blocked.
• the blocked spray nozzle is replaced with a . neighboring spray nozzle, thus allowing marking work to be continuously performed. Further, the time spent replacing or repairing the spray nozzle is reduced, so that work efficiency is improved.
• FIG. 1 is a plan view showing a road line-marking vehicle, according to the present invention.
• FIG. 2 is a perspective view showing important parts of the road line-marking vehicle, according to the present invention.
• FIG. 3 is a bottom perspective view showing a marking-material spray means of the road line-marking vehicle, according to the present invention
• FIG. 4 is a sectional view taken along line A-A of FIG. 3;
• FIG. 5 is a sectional view taken along line B-B of FIG. 4;
• FIG. 6 is a sectional view taken along line B-B of FIG. 4, when a spray nozzle assembly of the marking- material spray means according to the present invention is rotated;
• FIG. 7 is a sectional view taken along line C-C of FIG. 1;
• FIG. 8 is a sectional view taken along line D-D of FIG. 1;
• FIG. 9 is a block diagram of a system of the road line-marking vehicle, according to the present invention.
• FIG. 10 is a plan view showing the case of marking a U-turn symbol using the road line-marking vehicle, according to the present invention.
• FIG. 1 is a plan view showing a road line-marking vehicle, according to the present invention
• FIG. 2 is a perspective view showing important parts of the road line-marking vehicle, according to the present invention
• FIG. 3 is a bottom perspective view showing, a marking- material spray means of the road line-marking vehicle, according to the present invention
• FIG. 4 is a sectional view taken along line A-A of FIG. 3
• FIG. 5 is a sectional view taken along line B-B of FIG. 4
• FIG. 6 is a sectional view taken along line B-B of FIG " . 4
• FIG. 7 is a sectional view taken along line C-C of FIG. 1, FIG.
• FIG. 8 is a sectional view taken along line D-D of FIG. 1
• FIG. 9 is a block diagram of a system of the road line-marking vehicle, according to the present invention
• FIG. 10 is a plan view showing the case of marking a U-turn symbol using the road line-marking vehicle, according to the present invention.
• a road line-marking vehicle 1 includes a marking-material supply means 10, a pump 20, a marking- material spray means 30, and a feeding means 50.
• the marking-material supply means 10 is filled with a marking material, such as paint.
• the pump 20 forcibly discharges the marking material from the marking-material supply means 10.
• the marking-material spray means 30 sprays the marking material, which is forcibly moved by the pump 20, onto a road surface.
• the feeding means 50 functions to feed the marking-material spray means 30.
• the marking-material supply means 10 is provided with a body 12 and a lid 14, and is mounted on the vehicle 1.
• the body 12 has space for holing the marking material therein.
• the lid 14 is provided on the upper end of the body 12 to prevent the marking material from evaporating, and is opened or closed to replenish marking material .
• the vehicle 1 further includes an air compressor 70 which is used to force compressed air into the marking-material spray means 30.
• the liquid marking material, loaded into the marking-material supply means 10, is forced into the marking-material spray means 30 by means of the pump 20.
• the feeding means 50 is connected at one end thereof to a side of the vehicle 1, and feeds the marking-material spray means 30 in the lengthwise direction of the vehicle, which is the X-axis direction, or in a transverse direction of the vehicle, which is the Y-axis direction, or in a vertical direction, which is the Z-axis direction.
• the marking-material spray means 30 is mounted to the other end of the feeding means 50.
• the marking-material spray means 30 includes a cylindrical marking-material feeding pipe 32, an air feeding pipe 34, and a spray nozzle assembly 36.
• the marking-material feeding pipe 32 guides the marking material, such as paint, which is fed from a pipe Ll connected to the marking-material supply- means 10.
• the air feeding pipe 34 is provided outside the marking-material feeding pipe 32 in such a way as to be spaced apart from the marking-material feeding pipe 32 by a predetermined interval, thus forming a passage 35 for feeding the compressed air which is generated by the air compressor 70.
• the spray nozzle assembly 36 is provided on an end of the marking-material feeding pipe 32 and the air feeding pipe 34. The spray nozzle assembly 36 is in close contact with the outer circumferential surface of one end of the air feeding pipe 34, with a plurality of spray nozzles 37 arranged on the spray nozzle assembly 36 at regular intervals.
• a marking-material flow hole 32a is vertically formed in one side of the marking-material feeding pipe 32 to face the ground surface.
• a marking-material flow hole 34a which is the same as the marking-material flow hole 32a of the marking-material feeding pipe, is formed in the air feeding pipe 34 which is provided outside the marking-material feeding pipe 32.
• a hollow coupling pipe 38 is connected at opposite ends thereof to the corresponding marking-material flow holes 32a and 34a, in such a way as to communicate with the marking-material flow holes 32a and 34a.
• Air flow holes 34b and 34b' are formed on opposite sides of the marking-material flow hole 34a to be spaced apart from each other by a predetermined distance, and pass through the air feeding pipe to communicate with the exterior.
• the compressed air contained in the passage 35, defined in the air feeding pipe 34, is discharged through the air flow holes 34b and 34b' .
• the spray nozzle assembly 36 includes a body 36a having the shape of a cap.
• the body 36a is rotatably in close contact with the outer circumferential surface of one end of the air feeding pipe 34.
• One or more spray nozzles 37, 37', and 37" are provided on the outer circumferential surface of the body 36a at regular intervals .
• the spray nozzles 37, 37', and 37" have the same shape.
• Each of the spray nozzles 37, 37', and 37" has a marking-material discharge hole 37a that passes through the center of a body thereof.
• a plurality of air discharge holes 37b and 37b' is formed around the marking-material discharge hole in such a way as to face an end of the marking-material discharge hole 37a.
• Each of the spray nozzles 37, 37', and 37" is sealed at a joint part thereof to the outer circumferential surface of the body 36a through a welded part 37c.
• a handle 39 protrudes from a side of the outer portion of the body 36a.
• a worker holds the handle 39 and rotates the body 36a of the spray nozzle assembly 36 so that a different, neighboring, spray nozzle (e.g. 37') faces downwards.
• the marking-material flow hole 34a- of the air feeding pipe 34 communicates with the marking-material discharge hole 37a, and the air flow holes 34b and 34b' communicate with the air discharge holes 37b and 37b' , thus allowing marking work to be smoothly performed.
• a plurality of locking holes 40, 40', and 40" is formed in the outer circumferential surface of the air feeding pipe 34 along the same track at regular intervals.
• a wing 42 is rotatably connected to an edge of the sidewall of the body 36a of the spray nozzle assembly 36 via a hinge 41, with a locking piece 42a protruding from the inner surface of the wing 42.
• Fastening parts 43 and 44 provided on the outer ends of the wing 42, are fastened to each other, thus preventing the spray nozzle assembly 36 from being removed from the air feeding pipe 34.
• the fastening parts 43 and 44 comprise a fastening loop 43a and a fastening latch 44a coupled to the fastening loop 43a.
• a general fastening structure such as that used in a lunch box or the like, is used as the fastening parts of the present invention. Since such a fastening structure is known to those skilled in the art, it will not be described in detail herein .
• Such a spray nozzle assembly 36 is coupled to the feeding means 50, so that the spray nozzle assembly 36 may move in X-axis/ Y-axis/ Z-axis directions.
• the feeding means 50 includes an X-axis feeding means 52, a Y-axis feeding means 56, and an elevating means 60.
• the X-axis feeding means 52 feeds the marking- material spray means 30 in the lengthwise direction of the vehicle, that is, the X-axis direction.
• the Y-axis feeding means 56 feeds the marking-material spray means 30 in the transverse direction of the vehicle, that is, the Y-axis direction.
• the elevating means 60 moves the marking-material spray means 30 up and down. "
• the X-axis feeding means, the Y-axis feeding means, and the elevating means are driven using a motor, a rack, and a pinion.
• the X-axis feeding means 52 includes a guide member 53 which is mounted to one side of the vehicle in the lengthwise direction thereof.
• a first body 54 is provided to move along the first guide member 53.
• a first motor 55 is provided on one side of the first body 54, and a pinion 55a is secured to a drive shaft of the first motor 55.
• a rack 53a is provided on the upper surface of the first guide member 53 in a lengthwise direction thereof.
• a first position indicating means 53b having the shape of a metal band on which scales are marked at regular intervals, is provided on a surface of the first guide member 53 in the lengthwise direction thereof.
• a first position sensing means 52a is mounted to a side of the first body 54 in such a way as to face the first position indicating means 53b, and functions to precisely control the position when the first body 54 is moved.
• the first position sensing means 52a comprises a photo sensor having a light emitting part and a light receiving part.
• a second guide member 57 is provided on the upper end of the first body 54 in the transverse direction of the vehicle.
• a second position indicating, means 57b having the shape of a metal band on which scales are marked at regular intervals, is provided on a surface of the second guide member 57 in a lengthwise direction thereof.
• a second body 58 is mounted to the upper end of the second guide member 57 and moves along the second guide member 57.
• the second guide member 57 is rotatably supported on the upper end of the first body 54 via a rotating shaft 58a.
• the second guide member 57 rotates to be parallel to the X- axis guide member 53, thus allowing the vehicle to be easily moved.
• a second position sensing means 56a having the same construction as the first position sensing means 53b, is mounted to one side of the second body 58 to face the second position indicating means 57b, and functions to precisely control the position when the second body 58 moves in the Y-axis direction.
• a second motor 59 is provided on one side of the second guide member 57 to move the second body 58 in the Y-axis direction.
• a pinion 59a is fastened to an end of a drive shaft of the second motor 59, and a rack 57a is mounted to one side of a central opening of the second guide member 57 in a lengthwise direction thereof.
• a third motor 61 is provided on a side surface of the second body 58, a pinion 61a is integrally provided on a drive shaft of the third motor 61, and a third guide member 62 having a rack 62a is provided.
• One side of the marking-material spray means 30 is connected to one end of the third guide, member 62.
• the third guide member 62 is moved up and down by the third motor 61, thus axially elevating the marking- material spray means 30 secured to the lower portion of the third guide member 62.
• the marking-material spray means 30 is moved upwards.
• the marking-material spray means 30 moves downwards towards the surface of the ground, thus spraying the marking material .
• a third position indicating means 63 having the shape of a metal band on which scales are formed at regular intervals, is provided on the surface of the third guide member 62 in a lengthwise direction thereof.
• a third position sensing means 60a having the same construction as the first position sensing means 52a, is mounted to the upper portion of the second body 58 to face the third position indicating means 63, and detects the moving distance of the third guide member 62 when it is moved in the Z-axis direction, thus precisely controlling a position.
• a road line-marking operation can be conducted automatically or manually. That is, road lines, such as those indicating traffic lanes, may be automatically marked in response to the manipulation of a switch. Alternatively, road lines may be marked through manual manipulation.
• the construction of the X-axis feeding means 52, the Y-axis feeding means 56, or the Z-axis feeding means 60 of the elevating means 50 have only been described as having the motor, the rack, and the pinion.
• the X-axis feeding means, the Y-axis feeding means, or the Z-axis feeding means may use various known means, such as a hydraulic cylinder or a pneumatic cylinder, which is included in the present invention.
• the marking material may use general paint.
• the marking material may use a material obtained by melting a powder-phase material.
• the body 12 of the marking-material supply means 10 is made of a metal material, and a burner (not shown) is provided under the body 12 and heats a powder-phased material using an energy source, such as LPG, to melt it.
• a reflector supply means (not shown) may be further provided on the rear end of the marking-material spray means 30, and may apply a reflector, such as glass beads, which are reflected by the light emitted from headlights of vehicles at night.
• a control panel 110 is mounted to one side of the vehicle 1 to control the whole system. Electric power 100 is supplied from the vehicle 1 or an additional supply source to the control panel 110.
• the control panel 110 includes a memory unit 120, a control unit 130, and a display unit 140.
• the memory unit 120 stores system programs and data on the width/length/interval of traffic lanes, a U-turn symbol, or a left-turn symbol.
• the control unit 130 compares data of the memory unit 120 with external monitoring data, thus outputting a control signal.
• the display unit 140 comprises an LED or an LCD, which displays the controlled state. Thus, when a power switch 102 is operated to drive the system, the control panel 110 initializes the system. In such a state, a position adjusting switch 104 is manipulated to conduct marking work.
• motor drivers (not shown) of the X-axis/ Y-axis/ Z-axis feeding means 52, 56, and 60 are driven, so that the first to third motors 55, 59, and 61 are moved to the upper surface of a road which is to be marked.
• the X-axis/ Y-axis/ Z-axis feeding means 52, 56, and 60 are sequentially moved to initial start positions.
• the first to third position sensing means 52a, 56a, and 60a detect whether the respective feeding means reach the start positions, and transmit the detected signals to the control unit 130.
• the control unit 130 compares the detected signals with preset data stored in the memory unit 102, thus moving the feeding means to correct positions .
• one of mark selection switches 106 which are finely divided into a road line/ a U-turn mark/ a left-turn mark/ a central line/ a landmark, is selected.
• a road- line switch 106 is selected.
• the X-axis feeding means is driven to move the vehicle only in the X-axis direction, and slowly moves the marking-material spray means 30 in the lengthwise direction of the vehicle.
• the control unit 130 transmits a control signal to the pump 20 and the air compressor 70, thus driving the pump 20 and the air compressor 70.
• the marking material is forcibly fed from the marking-material supply means 10 to the marking-material spray means 30.
• the air compressor 70 is operated, the compressed air is forcibly input into the- marking-material spray means 30.
• the marking material is fed from the line Ll, connected to the marking-material supply means 10, to the marking-material spray means 30.
• the marking material passes through the interior of the marking- material feeding pipe 32, the marking-material flow hole 32a formed in an end of the marking-material feeding pipe 32, the coupling pipe 38, and the marking-material flow hole 34a formed in the air feeding pipe 34, and is discharged to the marking-material discharge hole 37a formed in the spray nozzle 37 of the spray nozzle assembly 36.
• the compressed air of the air compressor 70 passes through the passage 35 of the air feeding pipe 34 and the air flow holes 34b and 34b' formed in the end of the air feeding pipe 34, and is discharged through the air discharge holes 37b and 37b' of the spray nozzle assembly 36.
• the X-axis feeding means 52 is driven. Thereby, the marking-material spray means 30 moves slowly along the first guide rail 53 in the lengthwise direction of the vehicle 1, thus painting the straight road line.
• the vehicle moves in the X-axis direction and Y-axis direction, thus marking the symbol.
• the marking material sprayed in the liquid phase may spread.
• a marking plate 200 it is preferable that a marking plate 200 be additionally provided, thus preventing the marking material from spreading. In the marking plate 200, only a design or letter is cut away.
• the fastening parts 43 and 44 of the wing 42 are released from each other.
• the wing 42 is rotated, so that the locking piece 42a is removed from an associated locking hole 40 formed in the outer circumferential surface of the air feeding pipe 34.
• a worker holds and rotates the handle 39 provided at a predetermined position on the spray nozzle assembly 36 so that another spray nozzle 37' or 37" faces downwards.
• the marking-material flow hole 34a of the air feeding pipe 34 communicates with the marking- material discharge hole of the spray nozzle 37' or 37".
• the air flow holes 34b and 34b' are adjusted to communicate with the air discharge holes of the spray nozzle 37' or 37".
• the wing 42 is rotated again, so that the locking piece 42a is inserted into the locking hole 40' or 40", and the fastening parts 43 and 44 of the wing 42 are fastened to each other.
• the vehicle 1 is driven at a predetermined speed, for example, a speed of 10 km/h or less, and continuously performs marking work.
• the present invention provides a road line-marking vehicle, which allows marking work to be smoothly performed when a road line, a U-turn symbol, and other symbols are marked on a road, in addition to allowing the marking work to be continuously performed.

Landscapes

• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Road Repair (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=37727514

Family Applications (1)

Country Status (2)

Cited By (9)

Families Citing this family (12)

Citations (6)

Family Cites Families (1)

• 2005
  • 2005-08-05 KR KR1020050071526A patent/KR100706100B1/ko not_active IP Right Cessation
• 2006
  • 2006-08-02 WO PCT/KR2006/003035 patent/WO2007018362A1/en active Application Filing

Patent Citations (6)

Also Published As

Similar Documents

Legal Events