CN115807380A - Hot-melt marking paint spraying device for asphalt pavement and using method thereof - Google Patents

Abstract

The invention discloses a hot-melt marking paint spraying device for asphalt pavement, which comprises: the main body unit comprises a support plate and a plurality of groups of walking wheels arranged on the lower side of the support plate, a storage box is fixedly arranged at the center of the side wall on the support plate, a charging nozzle is arranged on the storage box, a pull handle is fixedly arranged at one end of the side wall on the support plate, a power supply is also arranged on the support plate, and a hydraulic telescopic rod is fixedly arranged at the center of the side wall on the support plate; the uniform spraying unit comprises a connecting disc fixedly arranged at the lower end of the hydraulic telescopic rod, multiple groups of spraying nozzles which are uniformly distributed are fixedly arranged at the front end of the lower side wall of the connecting disc and communicated with the storage box through a discharging pipe, an articulated frame is hinged to the center of the lower side wall of the connecting disc in a friction mode, and a matched uniform painting roller is installed at the lower end of the articulated frame. According to the invention, the sprayed lines can be coated for the second time, and the uniformly coated marked lines can be quickly dried without waiting for the marked lines to be naturally dried.

Description

A kind of asphalt pavement hot-melt marking paint spraying device and its application method

technical field

The invention relates to the technical field of road construction, in particular to an asphalt pavement hot-melt marking paint spraying device and an application method thereof.

Background technique

In recent years, with the vigorous development of national road construction, asphalt pavement is becoming the most widely used pavement in road construction, which improves the ability of paving aggregates to resist road damage caused by driving and natural factors, making the pavement smooth, less dusty, and less dusty. Water-permeable and durable, road markings applied on asphalt pavement refer to the lines painted on the road surface with paint spraying devices, which can control and guide traffic. They are used in conjunction with signs to reduce traffic congestion and reduce the probability of accidents.

At present, the asphalt pavement hot-melt marking paint spraying device on the market generally includes a material storage box, a walking wheel, and a spray nozzle arranged under the material storage box. When in use, the staff manually pulls the handle to drive the spray nozzle to spray hot-melt paint. Marking lines are formed on the road. Due to the viscosity of the hot-melt coating itself in this spraying method, after a period of use, the local spray holes of the spray nozzle are easy to block, resulting in different discharge rates of the spray nozzle and resulting in uneven spraying of the marking lines. Uniformity, inconsistent coating thickness, and defects that affect the normal use of subsequent marking lines.

Contents of the invention

The purpose of this section is to outline some aspects of embodiments of the invention and briefly describe some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract and titles of this application, to avoid obscuring the purpose of this section, the abstract and titles, and such simplifications or omissions should not be used to limit the scope of the invention.

In view of the problems existing in the above-mentioned existing asphalt pavement hot-melt marking paint spraying device and its use method, the present invention is proposed.

Therefore, the object of the present invention is to provide a kind of asphalt pavement hot-melt marking paint spraying device and its use method, which is suitable for solving the problem that the local spray holes of the spray nozzle are easy to stick after using for a period of time due to the hot-melt paint itself has a certain viscosity. Blockage, resulting in different discharge rates of spray nozzles, resulting in uneven spraying of marking lines, inconsistent coating thickness, and affecting the normal use of subsequent marking lines.

In order to solve the above technical problems, the present invention provides the following technical solutions: a spraying device for hot-melt marking paint on asphalt pavement, comprising:

The main body unit includes a support plate and a plurality of sets of walking wheels arranged on the lower side of the support plate, and a material storage box is fixedly installed at the center of the side wall of the support plate, and a feeding nozzle is opened on the material storage box, and the support plate A pull handle is fixedly installed at one end of the upper side wall, and a power supply is installed on the support plate, and a hydraulic telescopic rod is fixedly installed at the center of the lower side wall of the support plate;

Uniform spraying unit, which includes a connection plate fixed at the lower end of the hydraulic telescopic rod, the front end of the lower side wall of the connection plate is fixedly installed with multiple groups of uniformly distributed spray nozzles, and the multiple groups of spray nozzles and the material storage box pass through the discharge pipe Connected, the center of the lower side wall of the connection plate is frictionally hinged with a hinged frame, and the lower end of the hinged frame is equipped with a matching uniform application roller.

As a preferred solution of the asphalt pavement hot-melt marking paint spraying device and its use method described in the present invention, wherein: the spraying device also includes a drying unit, which includes a heat source fixed on the side wall of the support plate box and the air inlet nozzle fixedly connected with the upper side wall of the heat source box, the air pump connected with the air inlet nozzle is installed on the support plate, the heater is installed in the heat source box, and the lower side wall of the connection plate is far away from the spray nozzle One end is fixedly installed with multiple groups of evenly distributed drying nozzles, and the multiple groups of drying nozzles communicate with the heat source box through the ventilation pipe.

As a preferred solution of the asphalt pavement hot-melt marking paint spraying device and its use method described in the present invention, wherein: the heater is set as a rotary type, and the heater and the inner wall of the heat source box pass through multiple groups of uniformly distributed The fixed block is fixedly connected.

As a preferred solution of the asphalt pavement hot-melt marking paint spraying device and its use method described in the present invention, wherein: the spraying device also includes an anti-freezing unit, which includes a rotary joint connected to the side wall of the storage box. Column and the transmission wheel fixedly arranged at the end of the rotating column away from the material storage box, the driving wheel shaft is also fixedly connected with the transmission wheel, the two transmission wheels are connected by a transmission chain, and the rotating column is far away from the transmission One end of the wheel penetrates inwardly through the side wall of the material storage box and is fixedly connected with a reciprocating screw rod. The end of the reciprocating screw rod away from the rotating column is rotationally connected with the inner wall of the material storage box. A moving sleeve is threaded on the reciprocating screw rod. Both sides of the moving sleeve are fixedly connected with fixed pieces with symmetrical positions. Each fixed piece is rotatably connected with a corresponding stirring shaft. There is a tooth plate meshing with the circular gear, and multiple groups of uniformly distributed stirring shafts are arranged at the lower end of the side wall of the stirring shaft.

As a preferred solution of the asphalt pavement hot-melt marking paint spraying device and its use method described in the present invention, wherein: the side wall of the stirring shaft is fixedly connected with multiple sets of uniformly distributed stirring blades, and multiple sets of stirring blades are fixedly connected to each other. The leaves are smooth and polished.

As a preferred solution of the asphalt pavement hot-melt marking paint spraying device and its use method described in the present invention, a transparent observation window is fixedly installed on the side wall of the storage tank, and a transparent observation window is arranged on the transparent observation window. Evenly spaced tick marks.

As a preferred solution of the asphalt pavement hot-melt marking paint spraying device and its use method according to the present invention, wherein: the fixed pad on the inner wall of the material storage box is provided with a layer of electric heating plate with uniform thickness.

A method for using an asphalt pavement hot-melt marking paint spraying device, the using method is suitable for any of the above spraying devices, and the using method includes the following steps:

S1: Put the hot-melt paint into the material storage box, start the electric heating plate, and the electric heating plate will heat the hot-melt paint in the material storage box to avoid the solidification of the hot-melt paint, and control the extension of the hydraulic telescopic rod to make the uniform coating roller and When the road surface touches, the staff pulls the handle to drive the walking wheel to rotate;

S2: The hot-melt paint enters the spray nozzle through the feeding pipe, and the spray nozzle sprays the paint on the road surface. When the uniform coating roller moves with the support plate, it evenly spreads the hot-melt paint sprayed on the road surface;

S3: Start the heater and air pump, the outside gas is heated by the heater, sprayed by the drying nozzle, and the drying nozzle quickly dries the evenly applied marking line;

S4: After use, control the hydraulic telescopic rod to shrink, and turn off the air pump and heater in turn.

Beneficial effects of the present invention: add a sufficient amount of hot-melt paint into the material storage box through the feeding nozzle, control the extension of the hydraulic telescopic rod, start the heater and the air pump, and then drive the connecting plate fixed at the lower end of the hydraulic telescopic rod to evenly smear The roller is in contact with the road surface, and the hot-melt paint enters the spray nozzle through the feeding pipe, and the spray nozzle sprays the paint on the road surface. When the uniform coating roller moves with the support plate, it evenly spreads the hot-melt paint sprayed on the road surface, effectively It solves the problem of uneven spraying of marking lines and inconsistent coating thickness due to different discharge rates of spraying nozzles. The outside gas is heated by a heater and sprayed by a drying nozzle. The drying nozzle quickly dries the uniformly applied marking lines. No need to wait for it to dry naturally;

Pull the support plate and the storage box to move through the pull handle, and drive the rotating column and the reciprocating screw rod to rotate through the transmission wheel and the transmission chain while the traveling wheel rotates, and the moving sleeve threadedly connected with the reciprocating screw rod drives the fixed plate to move along the reciprocating screw rod At the same time, the circular gear set on the top of the stirring shaft and the gear plate can drive the stirring shaft to rotate, and the stirring rod and stirring blade fixed on the side wall of the stirring shaft can stir the hot-melt paint in the storage box. Wheel rotation is used as the driving force, which avoids repeated setting of the driving device and can prevent the hot-melt paint in the material storage box from solidifying in the material storage box.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts. in:

Fig. 1 is the overall structure schematic diagram of a kind of asphalt pavement hot-melt marking paint spraying device that the present invention proposes;

Fig. 2 is a kind of asphalt pavement hot-melt marking paint spraying device proposed by the present invention and the structural representation of the installation position of support plate;

Fig. 3 is the uniform smear unit structure schematic diagram of a kind of asphalt pavement hot-melt marking paint spraying device that the present invention proposes;

Fig. 4 is a schematic structural view of the drying unit of a kind of asphalt pavement hot-melt marking paint spraying device proposed by the present invention;

Fig. 5 is a schematic structural view of the anti-freezing unit of a kind of asphalt pavement hot-melt marking paint spraying device proposed by the present invention;

Fig. 6 is a schematic flow chart of a method for using an asphalt pavement hot-melt marking paint spraying device proposed by the present invention.

Description of drawings: 100 main unit, 101 support plate, 102 traveling wheel, 103 handle, 104 storage box, 105 feeding nozzle, 106 transparent observation window, 107 power supply, 108 hydraulic telescopic rod, 109 electric heating plate, 200 uniform spraying Unit, 201 feeding pipe, 202 spraying nozzle, 203 hinged frame, 204 uniform coating roller, 300 drying unit, 301 heat source box, 302 air pump, 303 heater, 304 fixed block, 305 ventilation pipe, 306 drying nozzle, 400 Anti-freezing unit, 401 rotating column, 402 transmission wheel, 403 transmission chain, 404 reciprocating screw rod, 405 moving sleeve, 406 fixed piece, 407 stirring shaft, 408 circular gear, 409 tooth plate, 410 stirring blade, 411 stirring rod.

Detailed ways

In order to make the above objects, features and advantages of the present invention more obvious and comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

Second, "one embodiment" or "an embodiment" referred to herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. "In one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

Secondly, the present invention is described in detail in conjunction with schematic diagrams. When describing the embodiments of the present invention in detail, for the convenience of explanation, the cross-sectional view showing the structure of the device will not be partially enlarged according to the general scale, and the schematic diagram is only an example, and it should not be used here. Limit the scope of protection of the present invention. In addition, the three-dimensional space dimensions of length, width and depth should be included in actual production.

Example

Referring to Figures 1-6, an embodiment of the present invention provides an asphalt pavement hot-melt marking paint spraying device, including a main unit 100, a uniform spraying unit 200, a drying unit 300 and an anti-freezing unit 400.

The main unit 100 includes a support plate 101 and a plurality of sets of walking wheels 102 arranged on the lower side of the support plate 101, and a material storage box 104 is fixedly installed at the center of the upper side wall of the support plate 101, and a transparent observation box is fixedly installed on the side wall of the material storage box 104. Window 106, the transparent observation window 106 is provided with evenly distributed scale marks, through the setting of the transparent observation window 106, the staff can clearly observe the remaining amount of hot-melt coating in the material storage box 104, which is convenient for timely replenishment of hot-melt coating, material storage box 104 inner wall fixing pads are provided with an electric heating plate 109 with uniform thickness, by setting on the electric heating plate 109, the hot-melt paint in the material storage box 104 can be heated to avoid its cooling and condensation, and the material storage box 104 is provided with Feeding nozzle 105, a handle 103 is fixedly installed on one end of the upper side wall of the support plate 101, and a power supply 107 is also installed on the support plate 101. For power supply, a hydraulic telescopic rod 108 is fixedly installed at the center of the lower side wall of the support plate 101;

The uniform spraying unit 200 includes a connection plate fixedly arranged at the lower end of the hydraulic telescopic rod 108, and the front end of the lower side wall of the connection plate is fixedly installed with multiple groups of evenly distributed spray nozzles 202, and the lower side wall of the support plate 101 is installed with a connecting plate to the discharge pipe 201. The water pump belongs to the very mature prior art, and its working principle will not be described in detail here. In the present invention, the feeding pipe 201 and the ventilation pipe 305 are all soft materials, and the multiple groups of spraying nozzles 202 and the material storage box 104 is communicated through the feeding pipe 201, and the center of the lower side wall of the connecting plate is frictionally hinged with a hinged frame 203, and the lower end of the hinged frame 203 is equipped with a matching even application roller 204.

The drying unit 300 includes a heat source box 301 fixedly arranged on the upper side wall of the support plate 101 and an air inlet nozzle fixedly connected to the upper side wall of the heat source box 301. An air pump 302 communicated with the air inlet nozzle is installed on the support plate 101, and the heat source box A heater 303 is installed in the 301, and the heater 303 is set to a rotary type, and the heater 303 is fixedly connected to the inner wall of the heat source box 301 through multiple groups of uniformly distributed fixing blocks 304, and the heater 303 can control the gas entering the heat source box 301. Heat treatment, provide sufficient heat source for the drying nozzle 306, and the end of the lower side wall of the connection plate away from the spray nozzle 202 is fixedly installed with multiple groups of evenly distributed drying nozzles 306, and the multiple groups of drying nozzles 306 and the heat source box 301 pass through The trachea 305 communicates.

The anti-freezing unit 400 includes a rotary column 401 that is rotatably connected to the side wall of the material storage box 104 and a transmission wheel 402 that is fixedly arranged on the end of the rotary column 401 away from the material storage box 104. The driving wheel 102 wheel shaft is also fixedly connected with the transmission wheel 402. The transmission wheels 402 are all connected by a transmission chain 403. The end of the rotating column 401 away from the transmission wheel 402 penetrates inwardly through the side wall of the material storage box 104 and is fixedly connected with a reciprocating screw 404. The reciprocating screw 404 is far away from the end of the rotating column 401. Rotately connected with the inner wall of the material storage box 104;

The reciprocating screw rod 404 is screwed with a moving sleeve 405, and the two sides of the moving sleeve 405 are fixedly connected with symmetrical fixed pieces 406, and each fixed piece 406 is rotatably connected with a corresponding stirring shaft 407, and the top of the stirring shaft 407 penetrates upwards and is fixed. The sheet 406 is fixedly connected with a circular gear 408, and the tooth plate 409 meshing with the circular gear 408 is fixedly installed in the material storage box 104. The lower end of the side wall of the stirring shaft 407 is provided with multiple sets of uniformly distributed stirring shafts 407, and the side wall of the stirring shaft 407 There are multiple groups of uniformly distributed stirring blades 410 fixedly connected, and the multiple groups of stirring blades 410 are all smooth and polished, and the hot-melt paint in the material storage box 104 can be evenly stirred by the cooperative use of the stirring blades 410 and the stirring shaft 411 .

A method for using an asphalt pavement hot-melt marking paint spraying device, the using method is suitable for any of the above spraying devices, and the using method includes the following steps:

S1: Put the hot-melt paint into the material storage box 104, start the electric heating plate, and the electric heating plate will heat the hot-melt paint in the material storage box 104 to avoid the solidification of the hot-melt paint, and control the extension of the hydraulic telescopic rod 108 to make the hot-melt paint evenly The applicator roller 204 is in contact with the road surface, and the staff pulls the pull handle 103 to drive the running wheel 102 to rotate;

S2: The hot-melt paint enters the spray nozzle 202 through the feeding pipe 201, the spray nozzle 202 sprays the paint on the road surface, and the uniform coating roller 204 evenly spreads the hot-melt paint sprayed on the road surface when it moves with the support plate 101 ;

S3: start the heater 303 and the air pump 302, the outside air is heated by the heater 303, sprayed by the drying nozzle 306, and the drying nozzle 306 quickly dries the evenly applied marking line;

S4: After use, control the hydraulic telescopic rod 108 to shrink, and turn off the air pump 302 and the heater 303 in sequence.

During use, add a sufficient amount of hot-melt paint into the material storage box 104 through the feed nozzle 105, control the hydraulic telescopic rod 108 to stretch out, start the heater 303 and the air pump 302, and the connecting plate fixed at the lower end of the hydraulic telescopic rod 108 will follow The uniform coating roller 204 is driven to contact the road surface, and the hot-melt paint enters the spray nozzle 202 through the feeding pipe 201, and the spray nozzle 202 sprays the paint on the road surface. The hot-melt paint on the surface is evenly applied, which effectively solves the problem of uneven spraying of marking lines and inconsistent coating thickness caused by different discharge rates of spraying nozzles. The outside gas is heated by heater 303, sprayed by drying nozzle 306, and drying nozzle 306 quickly dries the evenly applied markings without waiting for them to dry naturally;

The staff pulls the support plate 101 and the material storage box 104 through the pull handle 103 to move. When the traveling wheel 102 rotates, the transmission wheel 402 and the transmission chain 403 drive the rotating column 401 and the reciprocating screw 404 to rotate, and the reciprocating screw 404 is threaded. While the moving sleeve 405 drives the fixed plate 406 to move along the reciprocating screw rod 404, the circular gear 408 arranged on the top of the stirring shaft 407 meshes with the tooth plate 409 to drive the stirring shaft 407 to rotate, and the stirring shaft fixed on the side wall of the stirring shaft 407 Rod 411 and stirring blade 410 can stir the hot-melt paint in the material storage box 104, utilize the road wheel 102 to rotate as driving force, have avoided the repeated setting of driving device, can avoid the hot-melt paint in the material storage box 104 from being stored Solidification in the feed box 104.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation, although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.

Claims (8)

1. The utility model provides an asphalt pavement hot melt marking paint spraying device which characterized in that includes:

the main body unit (100) comprises a supporting plate (101) and a plurality of groups of walking wheels (102) arranged on the lower side of the supporting plate (101), a material storage box (104) is fixedly mounted at the center of the upper side wall of the supporting plate (101), a feeding nozzle (105) is arranged on the material storage box (104), a pull handle (103) is fixedly mounted at one end of the upper side wall of the supporting plate (101), a power supply (107) is further mounted on the supporting plate (101), and a hydraulic telescopic rod (108) is fixedly mounted at the center of the lower side wall of the supporting plate (101);

even spraying unit (200), it is including the fixed connection pad that sets up at hydraulic telescoping rod (108) lower extreme, lateral wall front end fixed mounting has multiunit evenly distributed's spraying mouth (202), multiunit under the connection pad spraying mouth (202) and storage case (104) are through unloading pipe (201) intercommunication, the friction of lateral wall center department articulates there is articulated frame (203) under the connection pad, roller (204) are paintd evenly to the installation of articulated frame (203) lower extreme matches.

2. The asphalt pavement hot melt marking paint spraying device according to claim 1, characterized in that: the painting device further comprises a drying unit (300) which comprises a heat source box (301) fixedly arranged on the upper side wall of the supporting plate (101) and an air inlet nozzle fixedly communicated with the upper side wall of the heat source box (301), an air pump (302) communicated with the air inlet nozzle is installed on the supporting plate (101), a heater (303) is installed in the heat source box (301), one end of the side wall of the connecting plate far away from the spraying nozzle (202) is fixedly provided with a plurality of groups of uniformly distributed drying nozzles (306), and the drying nozzles (306) are communicated with the heat source box (301) through an air pipe (305).

3. The asphalt pavement hot melt marking paint spraying device according to claim 2, characterized in that: the heater (303) is arranged to be rotary, and the heater (303) is fixedly connected with the inner wall of the heat source box (301) through a plurality of groups of fixing blocks (304) which are uniformly distributed.

4. The asphalt pavement hot melt marking paint spraying device according to claim 1, characterized in that: the smearing device further comprises an anti-solidification unit (400), the smearing device comprises a rotary column (401) and a transmission wheel (402), wherein the rotary column (401) is rotatably connected with the side wall of the storage box (104), the transmission wheel (402) is fixedly arranged on the rotary column (401) and far away from one end of the storage box (104), the transmission wheel (102) is also fixedly connected with the transmission wheel (402) on the wheel shaft, the transmission wheel (402) is connected with the transmission chain (403), one end, far away from the transmission wheel (402), of the rotary column (401) inwards penetrates through a reciprocating lead screw (404) fixedly connected with the side wall of the storage box (104), one end, far away from the rotary column (401), of the reciprocating lead screw (404) is rotatably connected with the inner wall of the storage box (104), a movable sleeve (405) is connected with the reciprocating lead screw (404) in a threaded manner, fixing plates (406) are fixedly connected with positions of two sides of the movable sleeve (405) symmetrically, each fixing plate (406) is rotatably connected with a corresponding stirring shaft (407), the top end of the stirring shaft (407) upwards penetrates through a circular gear (408), and a plurality of groups of side walls (409) are uniformly distributed on the storage box (104).

5. The asphalt pavement hot melt marking paint spraying device according to claim 4, characterized in that: the side wall of the stirring shaft (407) is fixedly connected with a plurality of groups of uniformly distributed stirring blades (410), and the stirring blades (410) are smooth and polished.

6. The asphalt pavement hot melt marking paint spraying device according to claim 1, characterized in that: the side wall of the storage box (104) is fixedly provided with a transparent observation window (106), and the transparent observation window (106) is provided with scale marks which are uniformly distributed.

7. The asphalt pavement hot melt marking paint spraying device according to claim 1, characterized in that: the inner wall fixing pad of the material storage box (104) is provided with a layer of electric heating plate (109) with uniform thickness.

8. The application method of the asphalt pavement hot-melt marking paint spraying device is characterized by comprising the following steps: the use method is suitable for the spraying device of any one of the above claims 1-7, and comprises the following steps:

s1: putting hot-melt paint into a storage box (104), starting an electric heating plate, heating the hot-melt paint in the storage box (104) by the electric heating plate to prevent the hot-melt paint from solidifying, controlling a hydraulic telescopic rod (108) to extend out to enable a uniform smearing roller (204) to abut against the road surface, and pulling a pull handle (103) by a worker to drive a travelling wheel (102) to rotate;

s2: the hot-melt coating enters the spraying nozzle (202) through the blanking pipe (201), the spraying nozzle (202) sprays the coating on the road surface, and the uniform coating roller (204) uniformly coats the hot-melt coating sprayed on the road surface when moving along with the supporting plate (101);

s3: starting a heater (303) and an air pump (302), heating external air by the heater (303), spraying by a drying nozzle (306), and rapidly drying the uniformly smeared marking by the drying nozzle (306);

s4: after the use is finished, the hydraulic telescopic rod (108) is controlled to contract, and the air pump (302) and the heater (303) are closed in sequence.

Images