CN221702046U - Highway maintenance coating spraying equipment - Google Patents

Abstract

The utility model discloses a highway maintenance coating spraying device, which relates to the technical field of highway maintenance, and comprises a base, wherein a storage vat is arranged at the top of the base, a stirring shaft is arranged in the storage vat, and the top end of the stirring shaft penetrates through the top of the storage vat in a rotating way and is connected with a first belt wheel; connecting shafts are arranged on the front side and the rear side in the base, and two ends of each connecting shaft penetrate through the base in a rotating mode and are provided with travelling wheels; the connecting shaft is sleeved with a first bevel gear, a second bevel gear meshed with the first bevel gear is arranged above the first bevel gear, a rotating shaft is arranged above the second bevel gear, the top end of the rotating shaft penetrates through the top of the base in a rotating mode, the top end of the rotating shaft is connected with a second belt wheel, and a belt is connected between the first belt wheel and the second belt wheel; the top of the base is provided with a lifting mechanism, the lifting mechanism is provided with a mounting plate, the mounting plate is provided with an angle adjusting mechanism, the angle adjusting mechanism is provided with a spray pipe through a connecting plate, and the spray pipe is provided with a spray head; the utility model can spray the guardrail and the pavement marking.

Description

Highway maintenance coating spraying equipment

Technical Field

The utility model relates to the technical field of highway maintenance, in particular to a highway maintenance coating spraying device.

Background

Highway maintenance refers to maintenance and maintenance of a highway, wherein the maintenance is focused on the whole process of maintenance from the establishment of a traffic, the maintenance is focused on the repair of a damaged part, and a spraying device is often needed in the highway maintenance process.

Patent CN213762500U discloses a coating spraying device for highway maintenance, comprising a base plate, be connected with the support frame on the bottom plate roof, bracing piece and coating holding vessel, be connected with driving motor on the support frame inner wall, the driving motor output is connected with the belt, the belt is kept away from driving motor's one end and is connected with the axis of rotation, be connected with link assembly on the axis of rotation outer wall, link assembly output is connected with L type connecting rod through the connecting seat rotation, the one end that the connecting seat was kept away from to L type connecting rod passes the support frame and upwards extends, be connected with the mounting panel on the L type connecting rod inner wall, be connected with the spraying subassembly on the mounting panel, the spraying subassembly is connected with the coating holding vessel through coupling hose, the utility model can be automatic carry out spraying operation to the guardrail that needs the maintenance, replace well manual spraying's mode, working strength has been reduced effectively, work efficiency has been improved.

Above-mentioned patent drives spraying subassembly through driving motor and link assembly and reciprocates from top to bottom to the spraying of guardrail is realized, but in highway maintenance, because the line mark of highway surface spraying rolls the back for a long time, its surface can drop, leads to the marking to blur and influence the normal use of marking, and then needs to spray again the line mark on highway surface, and above-mentioned patent can't make spraying subassembly spray towards the road surface. Accordingly, the present utility model has been made.

Disclosure of Invention

The utility model aims at the problems, provides a road maintenance coating spraying device, and solves the problem that road marking lines cannot be sprayed in the background technology.

The utility model adopts the technical scheme that: the utility model provides a highway maintenance coating spraying equipment, includes the base, the rear side of base is equipped with the push rod, and the top of base is equipped with the storage vat, be equipped with the (mixing) shaft in the storage vat, be equipped with a plurality of stirring leaves on the (mixing) shaft, the top of (mixing) shaft rotates the top of running through the storage vat, and the top of (mixing) shaft is connected with first band pulley; connecting shafts are arranged on the front side and the rear side in the base, two ends of each connecting shaft penetrate through the outer side wall of the base in a rotating mode, and travelling wheels are arranged at the ends of each connecting shaft; a first bevel gear is sleeved on a connecting shaft at the inner rear side of the base, a second bevel gear is arranged above the first bevel gear, the second bevel gear is connected with the first bevel gear in a meshed manner, a rotating shaft is arranged at the other side of the second bevel gear, the top end of the rotating shaft rotates to penetrate through the top of the base, a second belt pulley is connected to the top end of the rotating shaft, and the first belt pulley and the second belt pulley are connected through belt transmission;

the front side of the top of the base is provided with a lifting mechanism, the front side of the lifting mechanism is provided with a mounting plate, the mounting plate is provided with an angle adjusting mechanism, the front side of the angle adjusting mechanism is connected with a spray pipe through a connecting plate, and the spray pipe is provided with a plurality of spray heads; the top of storage vat is equipped with the water pump, the water inlet of water pump is through pipeline and storage vat through connection, and the delivery port of water pump is through flexible hose and spray tube through connection.

Further, the lifting mechanism comprises a fixed rod, a threaded sleeve block, a threaded rod, a lifting rod, a first rotating shaft, a third bevel gear, a fourth bevel gear and a handle; the bottom of the fixing rod is fixed on the base, the fixing rod is of a hollow structure with an open top, the thread sleeve block is fixed on the side wall of the top of the hollow structure, the thread sleeve block is internally connected with the threaded rod in a threaded manner, and the bottom end of the threaded rod extends into the hollow structure;

The lifting rod is sleeved on the outer side of the fixed rod in a sliding manner, the first rotating shaft is rotatably arranged on the inner side of the top of the lifting rod, one end of the first rotating shaft penetrates through the outer side wall of the lifting rod in a rotating manner, and one end of the first rotating shaft penetrating through the outer side wall of the lifting rod is connected with the handle; the top end of the threaded rod extends into the lifting rod, the top end of the threaded rod is connected with the third bevel gear, the fourth bevel gear is sleeved on a first rotating shaft in the lifting rod, and the third bevel gear is in meshed connection with the fourth bevel gear; the mounting plate is fixed on the front side of the outer wall of the lifting rod; the fixed plate is arranged below the third bevel gear, the fixed plate is fixed on the inner wall of the lifting rod, and the threaded rod rotates to penetrate through the fixed plate.

Further, the angle adjusting structure comprises a U-shaped mounting seat, a second rotating shaft, a rotating disc and a rotating rod; the U-shaped mounting seat is fixed on the mounting plate, the second rotating shaft is rotatably arranged between two vertical plates of the U-shaped mounting seat, the rotating disc is sleeved on the second rotating shaft, the rotating rod is fixed on the peripheral side wall of the rotating disc, and one end of the rotating rod, far away from the rotating disc, is connected with the connecting plate; one side of the U-shaped mounting seat is provided with a locking component.

Still further, locking subassembly includes a plurality of constant head tanks, locating piece, locking pole, spring and locking handle, and is a plurality of the constant head tanks set up on the quotation of rolling disc, the one end of locating piece can stretch into a plurality of one of them in the constant head tank, the other end of locating piece is connected the first end of locking pole, the second end of locking pole slides and passes a riser of U-shaped mount pad, the spring cover is established on the locking pole between the riser of locating piece and U-shaped mount pad, and the both ends of spring respectively with locating piece and the inboard fixed connection of riser of U-shaped mount pad, the locking handle is fixed at the second end of locking pole.

Still further, the inner wall both sides of lifter are equipped with vertical sliding tray, the sliding tray is slided and is equipped with the sliding block, the outside fixed connection in top of sliding block and dead lever.

The utility model has the advantages that:

When the paint stirring device moves, the first bevel gear is driven to rotate through the travelling wheel and the connecting shaft, and then the second bevel gear is driven to rotate, the rotating shaft and the second belt wheel are driven to rotate by the second bevel gear, the first belt wheel and the stirring shaft are driven to rotate by the second belt wheel through the belt, and the stirring blade is driven to stir paint by the stirring shaft to prevent the paint from being solidified; when the guardrail is sprayed, the first rotating shaft and the fourth bevel gear are rotated through rotating the handle, the third bevel gear is driven to rotate, the threaded rod is driven to rotate, the lifting rod is driven to move up and down through rotation of the threaded sleeve block and the fixing plate, and then the spray pipe is driven to move up and down through the mounting plate and the U-shaped mounting seat, so that spraying on the guardrail is realized; when the pavement marking is sprayed, the locking handle is pulled outwards to drive the locking rod to move outwards, so that the positioning block is separated from the positioning groove, meanwhile, the spring is compressed, the rotating rod is rotated to drive the second rotating shaft and the rotating disc to rotate, the spray head faces the pavement through the connecting plate and the spray pipe, the locking handle is loosened again, the spring is deformed in a recovery mode to drive the locking rod to move inwards, and the positioning block is clamped into one of the positioning grooves, so that the marking can be sprayed; the utility model can spray the guardrail and the pavement marking, thereby improving the spraying efficiency.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic view of the overall structure of the first view of the present utility model;

FIG. 2 is a schematic view of the overall structure of the second view of the present utility model;

FIG. 3 is a schematic view of the utility model within a U-shaped mount;

FIG. 4 is a schematic view of the structure within the base of the present utility model;

FIG. 5 is a schematic diagram of the connection of the fixing rod and the lifting rod;

FIG. 6 is a schematic view of the structure of the storage bucket of the present utility model.

Reference numerals:

1-base, 2-push rod, 3-storage bucket, 4-stirring shaft, 5-stirring blade, 6-first pulley, 7-connecting shaft, 8-walking wheel, 9-first bevel gear, 10-second bevel gear, 11-rotating shaft, 12-second pulley, 13-belt, 14-mounting plate, 15-connecting plate, 16-spray pipe, 17-spray head, 18-water pump, 19-flexible hose, 20-fixed rod, 21-threaded sleeve block, 22-threaded rod, 23-lifting rod, 24-first rotating shaft, 25-third bevel gear, 26-fourth bevel gear, 27-handle, 28-fixed plate, 29-U-shaped mounting seat, 30-second rotating shaft, 31-rotating disc, 32-rotating rod, 33-positioning groove, 34-positioning block, 35-locking rod, 36-spring, 37-locking handle, 38-sliding groove, 39-sliding block.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 6, a highway maintenance paint spraying device comprises a base 1, wherein a push rod 2 is fixed on the rear side of the base 1, a storage vat 3 is fixedly installed at the top of the base 1, a stirring shaft 4 is installed in the storage vat 3, a plurality of stirring blades 5 are fixed on the stirring shaft 4, the top end of the stirring shaft 4 rotates to penetrate through the top of the storage vat 3, and a first belt wheel 6 is fixedly connected to the top end of the stirring shaft 4; connecting shafts 7 are arranged on the front side and the rear side in the base 1, two ends of each connecting shaft 7 penetrate through the outer side wall of the base 1 in a rotating mode, and travelling wheels 8 are fixed at the end portions of the connecting shafts 7; a first bevel gear 9 is fixedly sleeved on a connecting shaft 7 at the inner rear side of the base 1, a second bevel gear 10 is arranged above the first bevel gear 9, the second bevel gear 10 is in meshed connection with the first bevel gear 9, a rotating shaft 11 is fixed above the second bevel gear 10, the top end of the rotating shaft 11 rotates to penetrate through the top of the base 1, a second belt pulley 12 is fixedly connected to the top end of the rotating shaft 11, and the first belt pulley 6 is in transmission connection with the second belt pulley 12 through a belt 13; the front side of the top of the base 1 is provided with a lifting mechanism, the front side of the lifting mechanism is provided with a mounting plate 14, the mounting plate 14 is provided with an angle adjusting mechanism, the front side of the angle adjusting mechanism is connected with a spray pipe 16 through a connecting plate 15, and the spray pipe 16 is connected with a plurality of spray heads 17 in a penetrating way; the top of the storage vat 3 is fixedly provided with a water pump 18, a water inlet of the water pump 18 is in through connection with the storage vat 3 through a pipeline, a water outlet of the water pump 18 is in through connection with the spray pipe 16 through a telescopic hose 19, and the water pump 18 is powered by a storage battery.

After paint is injected into the storage vat 3, the spraying equipment is moved to a road section to be sprayed through the push rod 2 and the travelling wheel 8, when the travelling wheel 8 rotates, the first bevel gear 9 is driven to rotate through the connecting shaft 7 at the rear side, the second bevel gear 10 is driven to rotate, the second bevel gear 10 enables the rotating shaft 11 and the second belt wheel 12 to rotate, the second belt wheel 12 drives the first belt wheel 6 and the stirring shaft 4 to rotate through the belt 13, and the stirring shaft 4 rotates to enable the stirring blade 5 to stir the paint to prevent the paint from solidifying; the height of the spray pipe 16 is adjusted through the lifting mechanism to spray the guardrail, the spray pipe 16 is rotated through the angle adjusting mechanism, and the spray head 17 is driven to spray the marking lines towards the road surface.

In the present embodiment, the lifting mechanism includes a fixed rod 20, a threaded bushing block 21, a threaded rod 22, a lifting rod 23, a first rotation shaft 24, a third bevel gear 25, a fourth bevel gear 26, and a handle 27; the bottom of the fixing rod 20 is fixed on the base 1, the fixing rod 20 is of a hollow structure with an open top, the thread sleeve block 21 is fixed on the side wall of the top of the hollow structure, the thread sleeve block 21 is internally connected with the threaded rod 22 in a threaded manner, and the bottom end of the threaded rod 22 extends into the hollow structure; the lifting rod 23 is slidably sleeved outside the fixed rod 20, the first rotating shaft 24 is rotatably installed inside the top of the lifting rod 23, one end of the first rotating shaft 24 penetrates through the outer side wall of the lifting rod 23 in a rotating mode, and one end of the first rotating shaft 24 penetrates through the outer side wall of the lifting rod 23 to be fixedly connected with the handle 27; the top end of the threaded rod 22 extends into the lifting rod 23, the top end of the threaded rod 22 is fixedly connected with a third bevel gear 25, a fourth bevel gear 26 is fixedly sleeved on a first rotating shaft 24 in the lifting rod 23, and the third bevel gear 25 is in meshed connection with the fourth bevel gear 26; the mounting plate 14 is fixed on the front side of the outer wall of the lifting rod 23; a fixing plate 28 is installed below the third bevel gear 25, the fixing plate 28 is fixed on the inner wall of the lifting rod 23, the threaded rod 22 rotates to penetrate through the fixing plate 28, and the threaded rod 22 is installed and connected with the fixing plate 28 through a rolling bearing.

The first rotating shaft 24 and the fourth bevel gear 26 are rotated by rotating the handle 27, the third bevel gear 25 is driven to rotate, the threaded rod 22 is rotated, and the threaded rod 22 rotates to drive the lifting rod 23 to move up and down under the action of the threaded sleeve block 21 and the fixing plate 28, so that the height adjustment of the spray pipe 16 is realized through the mounting plate 14.

The angle adjusting structure comprises a U-shaped mounting seat 29, a second rotating shaft 30, a rotating disc 31 and a rotating rod 32; the U-shaped mounting seat 29 is fixed on the mounting plate 14, the second rotating shaft 30 is rotatably arranged between two vertical plates of the U-shaped mounting seat 29, the rotating disc 31 is fixedly sleeved on the second rotating shaft 30, the rotating rod 32 is fixed on the peripheral side wall of the rotating disc 31, and one end of the rotating rod 32, far away from the rotating disc 31, is connected with the connecting plate 15; the spray pipe 16 is arranged on one side of the connecting plate 15 far away from the rotating rod 32, and a locking component is arranged on one side of the U-shaped mounting seat 29; the locking assembly comprises a plurality of positioning grooves 33, a positioning block 34, a locking rod 35, a spring 36 and a locking handle 37, wherein the positioning grooves 33 are uniformly formed in the disc surface of the rotating disc 31 along the circumferential direction, one end of the positioning block 34 can extend into one of the positioning grooves 33, the other end of the positioning block 34 is fixedly connected with a first end of the locking rod 35, a second end of the locking rod 35 slides through a vertical plate of the U-shaped mounting seat 29, the spring 36 is sleeved on the locking rod 35 between the positioning block 34 and the vertical plate of the U-shaped mounting seat 29, two ends of the spring 36 are fixedly connected with the inner sides of the positioning block 34 and the vertical plate of the U-shaped mounting seat 29 respectively, and the locking handle 37 is fixed at the second end of the locking rod 35.

When the pavement marking is required to be sprayed, the locking handle 37 is pulled outwards, the locking rod 37 is driven to move outwards, the positioning block 34 is separated from the positioning groove 33, meanwhile, the spring 36 is compressed, the rotating rod 32 is rotated, the second rotating shaft 30 and the rotating disc 31 are driven to rotate, the spray head 17 faces the pavement through the connecting plate 15 and the spray pipe 16, the locking handle 37 is loosened, the spring 36 is deformed in a recovery mode, the locking rod 37 is driven to move inwards, and the positioning block 34 is clamped into one of the positioning grooves 33.

In order to prevent the lifting rod 23 from being separated from the fixed rod 20 when the height is adjusted, two sides of the inner wall of the lifting rod 23 are provided with vertical sliding grooves 38, a sliding block 39 is arranged in the sliding grooves 38 in a sliding manner, and the sliding block 39 is fixedly connected with the outer side of the top of the fixed rod 20.

The working process of the utility model comprises the following steps: after paint is injected into the storage vat 3, the spraying equipment is moved to a road section to be sprayed through the push rod 2 and the travelling wheel 8, when the travelling wheel 8 rotates, the first bevel gear 9 is driven to rotate through the connecting shaft 7 at the rear side, the second bevel gear 10 is driven to rotate, the second bevel gear 10 enables the rotating shaft 11 and the second belt wheel 12 to rotate, the second belt wheel 12 drives the first belt wheel 6 and the stirring shaft 4 to rotate through the belt 13, and the stirring shaft 4 rotates to enable the stirring blade 5 to stir the paint to prevent the paint from solidifying; the paint in the storage vat 3 is pumped into the spray pipe 16 through the telescopic hose 19 by the water pump 18, and can be sprayed by the spray head 17; when the guardrail is sprayed, the first rotating shaft 24 and the fourth bevel gear 26 are rotated by rotating the handle 27, the third bevel gear 25 is driven to rotate, the threaded rod 22 rotates to drive the lifting rod 23 to move up and down under the action of the threaded sleeve block 21 and the fixing plate 28, and the spray pipe 16 is further driven to move up and down by the mounting plate 14 and the U-shaped mounting seat 29, so that the guardrail is sprayed; when the guardrail is sprayed on the pavement marking, the locking handle 37 is pulled outwards to drive the locking rod 37 to move outwards, so that the positioning block 34 is separated from the positioning groove 33, meanwhile, the spring 36 is compressed, the rotating rod 32 is rotated to drive the second rotating shaft 30 and the rotating disc 31 to rotate, then the spray head 17 faces the pavement through the connecting plate 15 and the spray pipe 16, the locking handle 37 is released again, the spring 36 is deformed again, the locking rod 37 is driven to move inwards, the positioning block 34 is clamped into one of the positioning grooves 33, and the marking can be sprayed through the spray head 17.

When the paint stirring device moves, the first bevel gear is driven to rotate through the travelling wheel and the connecting shaft, and then the second bevel gear is driven to rotate, the rotating shaft and the second belt wheel are driven to rotate by the second bevel gear, the first belt wheel and the stirring shaft are driven to rotate by the second belt wheel through the belt, and the stirring blade is driven to stir paint by the stirring shaft to prevent the paint from being solidified; when the guardrail is sprayed, the first rotating shaft and the fourth bevel gear are rotated through rotating the handle, the third bevel gear is driven to rotate, the threaded rod is driven to rotate, the lifting rod is driven to move up and down through rotation of the threaded sleeve block and the fixing plate, and then the spray pipe is driven to move up and down through the mounting plate and the U-shaped mounting seat, so that spraying on the guardrail is realized; when the pavement marking is sprayed, the locking handle is pulled outwards to drive the locking rod to move outwards, so that the positioning block is separated from the positioning groove, meanwhile, the spring is compressed, the rotating rod is rotated to drive the second rotating shaft and the rotating disc to rotate, the spray head faces the pavement through the connecting plate and the spray pipe, the locking handle is loosened again, the spring is deformed in a recovery mode to drive the locking rod to move inwards, and the positioning block is clamped into one of the positioning grooves, so that the marking can be sprayed; the utility model can spray the guardrail and the pavement marking, thereby improving the spraying efficiency.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (5)

1. The highway maintenance coating spraying equipment is characterized by comprising a base (1), wherein a push rod (2) is arranged at the rear side of the base (1), a storage vat (3) is arranged at the top of the base (1), a stirring shaft (4) is arranged in the storage vat (3), a plurality of stirring blades (5) are arranged on the stirring shaft (4), the top end of the stirring shaft (4) rotates to penetrate through the top of the storage vat (3), and a first belt wheel (6) is connected to the top end of the stirring shaft (4); connecting shafts (7) are arranged on the front side and the rear side in the base (1), two ends of each connecting shaft (7) penetrate through the outer side wall of the base (1) in a rotating mode, and travelling wheels (8) are arranged at the end portions of the connecting shafts (7); a first bevel gear (9) is sleeved on a connecting shaft (7) at the inner rear side of the base (1), a second bevel gear (10) is arranged above the first bevel gear (9), the second bevel gear (10) is connected with the first bevel gear (9) in a meshed mode, a rotating shaft (11) is arranged at the other side of the second bevel gear (10), the top end of the rotating shaft (11) rotates to penetrate through the top of the base (1), a second belt wheel (12) is connected to the top end of the rotating shaft (11), and the first belt wheel (6) is connected with the second belt wheel (12) in a transmission mode through a belt (13);

The front side of the top of the base (1) is provided with a lifting mechanism, the front side of the lifting mechanism is provided with a mounting plate (14), the mounting plate (14) is provided with an angle adjusting mechanism, the front side of the angle adjusting mechanism is connected with a spray pipe (16) through a connecting plate (15), and the spray pipe (16) is provided with a plurality of spray heads (17); the top of storage vat (3) is equipped with water pump (18), the water inlet of water pump (18) is through pipeline and storage vat (3) through connection, and the delivery port of water pump (18) is through flexible hose (19) and spray tube (16) through connection.

2. The highway maintenance paint spraying apparatus according to claim 1, wherein the lifting mechanism comprises a fixed rod (20), a threaded bushing block (21), a threaded rod (22), a lifting rod (23), a first rotating shaft (24), a third bevel gear (25), a fourth bevel gear (26) and a handle (27); the bottom of the fixing rod (20) is fixed on the base (1), the fixing rod (20) is of a hollow structure with an open top, the thread sleeve block (21) is fixed on the top side wall of the hollow structure, the thread sleeve block (21) is internally connected with the threaded rod (22) through threads, and the bottom end of the threaded rod (22) stretches into the hollow structure;

The lifting rod (23) is sleeved on the outer side of the fixed rod (20) in a sliding mode, the first rotating shaft (24) is rotatably arranged on the inner side of the top of the lifting rod (23), one end of the first rotating shaft (24) penetrates through the outer side wall of the lifting rod (23) in a rotating mode, and one end of the first rotating shaft (24) penetrates through the outer side wall of the lifting rod (23) to be connected with the handle (27); the top end of the threaded rod (22) extends into the lifting rod (23), the top end of the threaded rod (22) is connected with the third bevel gear (25), the fourth bevel gear (26) is sleeved on a first rotating shaft (24) in the lifting rod (23), and the third bevel gear (25) is in meshed connection with the fourth bevel gear (26); the mounting plate (14) is fixed on the front side of the outer wall of the lifting rod (23);

A fixed plate (28) is arranged below the third bevel gear (25), the fixed plate (28) is fixed on the inner wall of the lifting rod (23), and the threaded rod (22) rotates to penetrate through the fixed plate (28).

3. The highway maintenance paint spraying apparatus according to claim 2, wherein the angle adjusting structure comprises a U-shaped mounting base (29), a second rotating shaft (30), a rotating disc (31), a rotating rod (32); the U-shaped mounting seat (29) is fixed on the mounting plate (14), the second rotating shaft (30) is rotatably arranged between two vertical plates of the U-shaped mounting seat (29), the rotating disc (31) is sleeved on the second rotating shaft (30), the rotating rod (32) is fixed on the peripheral side wall of the rotating disc (31), and one end, far away from the rotating disc (31), of the rotating rod (32) is connected with the connecting plate (15); one side of the U-shaped mounting seat (29) is provided with a locking component.

4. A highway maintenance coating spraying device according to claim 3, characterized in that the locking assembly comprises a plurality of positioning grooves (33), a positioning block (34), a locking rod (35), a spring (36) and a locking handle (37), wherein the positioning grooves (33) are arranged on the disc surface of the rotating disc (31), one end of the positioning block (34) can extend into one of the positioning grooves (33), the other end of the positioning block (34) is connected with the first end of the locking rod (35), the second end of the locking rod (35) slides through one vertical plate of the U-shaped mounting seat (29), the spring (36) is sleeved on the locking rod (35) between the positioning block (34) and the vertical plate of the U-shaped mounting seat (29), two ends of the spring (36) are fixedly connected with the inner sides of the positioning block (34) and the vertical plate of the U-shaped mounting seat (29), and the locking handle (37) is fixedly arranged at the second end of the locking rod (35).

5. The highway maintenance coating spraying device according to claim 4, wherein vertical sliding grooves (38) are formed in two sides of the inner wall of the lifting rod (23), sliding blocks (39) are arranged in the sliding grooves (38) in a sliding mode, and the sliding blocks (39) are fixedly connected with the outer sides of the tops of the fixing rods (20).