CN218147687U - Asphalt pavement milling device - Google Patents

Abstract

The utility model discloses an asphalt pavement milling device, which comprises a support base, a vertical plate is fixedly connected to the support base, a support plate is fixedly connected to the top of the vertical plate, a cylinder is fixedly installed on the top of the support plate, the output end of the cylinder penetrates the support plate and A mounting plate is fixedly connected, the bottom of the mounting plate is provided with a milling assembly, the side wall of the mounting plate is fixedly connected with an L-shaped baffle, the side wall of the L-shaped baffle is fixedly connected with an L-shaped frame, and the bottom of the L-shaped frame is fixedly connected with a nozzle. A plurality of first nozzles and second nozzles are arranged on the spray pipe, and a water delivery assembly connected with the nozzle pipe is arranged on the support base, and the water delivery assembly includes a water tank, a water pump, a water outlet pipe, a water delivery pipe and a corrugated pipe. Cool down the milling cutter by spraying with multiple first nozzles, the sprayed water will fall on the cutter head, directly cool the cutter head, and reduce dust on the road surface by spraying with multiple second nozzles, thereby reducing dust in the milling process Splash situation.

Description

Milling device for asphalt pavement

technical field

The utility model belongs to the technical field of road surface milling, in particular to an asphalt road surface milling device.

Background technique

Road milling is a method of scraping the damaged old road surface and then laying a new surface layer. Generally, it is to eliminate the damaged and loose parts of the old road surface, or to combine the old and new surfaces well. Road milling machine is one of the main types of asphalt pavement maintenance construction machinery and one of the main equipment for asphalt concrete pavement maintenance construction. It can be used to remove defects such as pavement wrapping, oil waves, reticulation, ruts, etc. It can also be used to excavate road pits and grooves, as well as roughening of cement pavement and milling of surface layer dislocation.

The existing asphalt pavement milling device does not have a road surface dust suppression mechanism when in use, which will cause road dust to splash during road surface milling, endangering the ambient air and the health of the staff, and needs to be improved.

Utility model content

In view of the above problems, the utility model provides an asphalt pavement milling device.

In order to achieve the above object, the utility model adopts the following technical scheme: an asphalt pavement milling device, including a support base, a riser is fixedly connected to the support base, a support plate is fixedly connected to the top of the riser, the A cylinder is fixedly installed on the top of the support plate, the output end of the cylinder passes through the support plate and is fixedly connected to a mounting plate, the bottom of the mounting plate is provided with a milling assembly, and the side wall of the mounting plate is fixedly connected to an L-shaped baffle, the The side wall of the L-shaped baffle is fixedly connected with an L-shaped frame, and the bottom of the L-shaped frame is fixedly connected with a nozzle, and the nozzle is provided with a plurality of first nozzles and second nozzles, and the support base is provided with a The water delivery assembly connected to the nozzle.

Preferably, the water delivery assembly includes a water tank, a water pump, a water outlet pipe, a water delivery pipe and a bellows, the water tank and the water pump are fixedly arranged on the support base, the water outlet pipe communicates with the water tank, and the end of the water outlet pipe is far away from the water tank It is connected to the water inlet end of the water pump, the bottom end of the bellows is fixedly connected to the spray pipe, one end of the water delivery pipe is fixedly connected to the top of the bellows, and the end of the water delivery pipe away from the bellows is connected to the output end of the water pump.

Preferably, the milling assembly includes a motor, a rotating roller and a milling cutter, two fixed plates are fixedly connected to the bottom of the mounting plate, the rotating roller is rotatably arranged between the two fixed plates, and the motor is fixedly arranged on The bottom of the mounting plate, the output end of the motor is fixedly connected to the rotating roller, the milling cutter is provided with multiple groups, and the multiple groups of milling cutters are distributed in an annular array outside the rotating roller, and the side wall of the L-shaped baffle is provided with Several rectangular openings for penetration of groups of milling cutters.

Preferably, the milling cutter includes a cutter holder and a cutter head, the cutter holder is fixedly connected to the rotating roller, the cutter head is inclined, and the angle between the cutter head and the cutter holder is an obtuse angle.

Preferably, two limiting rods are fixedly connected to the mounting plate, and a limiting hole is opened on the supporting plate to slide and cooperate with the two limiting rods.

Preferably, the output ends of the plurality of first nozzles and the second nozzles are set downward, the plurality of first nozzles face the L-shaped baffle, and the plurality of second nozzles face away from the L-shaped baffle.

Preferably, the bottom of the support base is fixedly provided with traveling wheels, and the side of the support base away from the riser is fixedly provided with a trolley.

Compared with the prior art, the beneficial effects of the utility model are:

1. The motor drives the rotating roller to rotate, and the rotating roller drives multiple sets of milling cutters to rotate to mill the road surface. The inclined cutter head is in contact with the road surface to carry out milling and planing to improve work efficiency. The L-shaped baffle plate is used for milling and planing Block the gravel below to avoid the situation of flying gravel;

2. Cool down the milling cutter by spraying multiple first nozzles, the sprayed water will fall on the cutter head, directly cool the cutter head, and reduce dust on the road surface by spraying multiple second nozzles, thereby reducing the milling process In the case of dust splashing.

Description of drawings

Fig. 1 is the overall structural representation of a kind of asphalt pavement milling device that the utility model proposes;

Fig. 2 is a structural schematic diagram of another angle of view of an asphalt pavement milling device proposed by the utility model;

Fig. 3 is a structural schematic view below the support plate of a milling device for asphalt pavement proposed by the utility model;

Fig. 4 is a structural schematic diagram of a milling assembly of an asphalt pavement milling device proposed by the utility model.

In the figure: 1. Support base; 2. Vertical plate; 3. Support plate; 4. Cylinder; 5. Mounting plate; 6. L-shaped baffle; 7. L-shaped frame; ;10, the second nozzle; 11, water tank; 12, water pump; 13, outlet pipe; 14, water pipe; 15, bellows; 16, motor; 17, rotating roller; 18, milling cutter; 19, fixed plate; , Knife holder; 21, cutter head; 22, limit rod; 23, walking wheel; 24, push frame.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1-4, an asphalt pavement milling device includes a support base 1, a vertical plate 2 is fixedly connected to the support base 1, a support plate 3 is fixedly connected to the top of the vertical plate 2, and a cylinder 4 is fixedly installed on the top of the support plate 3 , the output end of the cylinder 4 runs through the support plate 3 and is fixedly connected with a mounting plate 5, the bottom of the mounting plate 5 is provided with a milling assembly, the milling assembly includes a motor 16, a rotating roller 17 and a milling cutter 18, and the bottom of the mounting plate 5 is fixedly connected with two a fixed plate 19, the rotating roller 17 is rotated and arranged between the two fixed plates 19, the motor 16 is fixedly arranged on the bottom of the mounting plate 5, the output end of the motor 16 is fixedly connected with the rotating roller 17, and the milling cutter 18 is provided with multiple groups, multiple The group of milling cutters 18 is distributed in the outer side of the turning roller 17 in an annular array, and the motor 16 drives the turning roller 17 to rotate, and the turning roller 17 drives a plurality of groups of milling cutters 18 to rotate to mill the road surface. The side wall of the L-shaped baffle 6 is provided with a plurality of rectangular openings for multiple sets of milling knives 18 to pass through, and the multiple sets of milling knives 18 will extend out of the rectangular openings when they rotate.

The side wall of the mounting plate 5 is fixedly connected with an L-shaped baffle 6, the side wall of the L-shaped baffle 6 is fixedly connected with an L-shaped frame 7, and the bottom of the L-shaped frame 7 is fixedly connected with a nozzle 8, and the nozzle 8 is provided with a plurality of first nozzles. A nozzle 9 and a second nozzle 10, the output ends of the first nozzles 9 and the second nozzles 10 are set downwards, the first nozzles 9 face the L-shaped baffle 6, and the second nozzles 10 face away from the L-shaped The baffle plate 6 and the support base 1 are provided with a water delivery assembly connected to the nozzle 8. The milling cutter 18 is sprayed and cooled by a plurality of first nozzles 9, and the road surface is dusted by a plurality of second nozzles 10. The water delivery assembly includes a water tank 11, a water pump 12, a water outlet pipe 13, a water delivery pipe 14 and a bellows 15. The water tank 11 and the water pump 12 are fixedly arranged on the support base 1. Water is stored in the water tank 11, and the side wall of the water tank 11 is provided with a water inlet. , the water outlet pipe 13 communicates with the water tank 11, the end of the water outlet pipe 13 away from the water tank 11 is connected to the water inlet end of the water pump 12, the bottom end of the bellows 15 is fixedly connected to the spray pipe 8, one end of the water delivery pipe 14 is fixedly connected to the top of the bellows 15, and the water delivery pipe 14 is connected to the output end of the water pump 12 at one end away from the bellows 15 .

Referring to Fig. 2 and Fig. 3, the milling cutter 18 comprises a cutter head 20 and a cutter head 21, the cutter head 20 is fixedly connected with the rotating roller 17, the cutter head 21 is arranged obliquely, and the angle between the cutter head 21 and the cutter head 20 is an obtuse angle , when the milling cutter 18 rotates to the bottom, the cutter head 21 which is arranged on an inclination contacts with the road surface to carry out milling and improve work efficiency.

Referring to FIG. 3 , two limiting rods 22 are fixedly connected to the mounting plate 5 , and the supporting plate 3 is provided with a limiting hole for sliding fit with the two limiting rods 22 .

Referring to FIG. 1 , the bottom of the support base 1 is fixedly provided with traveling wheels 23 , and the side of the support base 1 away from the vertical plate 2 is fixedly provided with a push frame 24 .

The operating principle of the present utility model is described as follows: the cylinder 4 drives the mounting plate 5 to move downwards, and then the milling cutter 18 contacts the road surface, the pushing device moves on the road surface, the motor 16 drives the rotating roller 17 to rotate, and the rotating roller 17 drives multiple groups The milling cutter 18 rotates to mill the road surface, and the cutter head 21 which is provided with an inclination contacts with the road surface to carry out milling and planing to improve work efficiency. The gravel under the milling is blocked by the L-shaped baffle plate 6, so as to avoid the situation of the gravel flying horizontally. The water pump 12 pumps out the water in the water tank 11 through the water outlet pipe 13, and inputs it into the water delivery pipe 14, then into the bellows 15, and finally into the nozzle 8, and sprays the milling cutter 18 through a plurality of first nozzles 9 to cool down, and the sprayed water It will fall on the cutter head 21, directly cool the cutter head 21, and spray dust on the road surface through a plurality of second nozzles 10, thereby reducing dust splashing during the milling process.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (7)

1. An asphalt pavement milling device, comprising a support base (1), characterized in that, the support base (1) is fixedly connected with a riser (2), and the top of the riser (2) is fixedly connected with a support plate (3), the top of the support plate (3) is fixedly installed with a cylinder (4), the output end of the cylinder (4) runs through the support plate (3) and is fixedly connected with a mounting plate (5), and the mounting plate ( 5) The bottom is provided with a milling assembly, the side wall of the mounting plate (5) is fixedly connected with an L-shaped baffle (6), and the side wall of the L-shaped baffle (6) is fixedly connected with an L-shaped frame (7), The bottom of the L-shaped frame (7) is fixedly connected with a nozzle pipe (8), and the nozzle pipe (8) is provided with a plurality of first nozzles (9) and second nozzles (10), and the support base (1 ) is provided with a water delivery assembly connected to the spray pipe (8). 2. A kind of asphalt pavement milling device according to claim 1, characterized in that, the water delivery assembly includes a water tank (11), a water pump (12), a water outlet pipe (13), a water delivery pipe (14) and a corrugated The pipe (15), the water tank (11) and the water pump (12) are all fixedly arranged on the support base (1), the water outlet pipe (13) communicates with the water tank (11), and the water outlet pipe (13) is far away from the water tank (11) one end is connected with the water inlet end of the water pump (12), the bottom end of the bellows (15) is fixedly connected with the spray pipe (8), one end of the water delivery pipe (14) is fixedly connected with the top end of the bellows (15), The end of the water delivery pipe (14) away from the bellows (15) is connected to the output end of the water pump (12). 3. A kind of asphalt pavement milling device according to claim 1, characterized in that, the milling assembly comprises a motor (16), a rotating roller (17) and a milling cutter (18), and the mounting plate (5 ) bottom is fixedly connected with two fixed plates (19), the rotating roller (17) is rotated and arranged between the two fixed plates (19), and the motor (16) is fixedly arranged at the bottom of the mounting plate (5), so The output end of the motor (16) is fixedly connected to the rotating roller (17), and the milling cutter (18) is provided with multiple groups, and the milling cutter (18) of multiple groups is distributed in an annular array on the outer side of the rotating roller (17), The side wall of the L-shaped baffle (6) is provided with a plurality of rectangular openings for multiple groups of milling cutters (18) to pass through. 4. A kind of asphalt pavement milling device according to claim 3, is characterized in that, described milling cutter (18) comprises knife rest (20) and cutter head (21), and described knife rest (20) and rotating The roller (17) is fixedly connected, the cutter head (21) is arranged obliquely, and the angle between the cutter head (21) and the cutter holder (20) is an obtuse angle. 5. A kind of asphalt pavement milling device according to claim 1, characterized in that, two limit rods (22) are fixedly connected to the mounting plate (5), and two limit rods (22) are fixedly connected on the support plate (3). There are limit holes that are slidably matched with the two limit rods (22). 6. A kind of asphalt pavement milling device according to claim 1, characterized in that, the output ends of a plurality of said first nozzles (9) and the second nozzles (10) are all set downwards, and a plurality of said first nozzles One spray head (9) faces the L-shaped baffle (6), and the plurality of second spray heads (10) face away from the L-shaped baffle (6). 7. A kind of asphalt road surface milling device according to claim 1, is characterized in that, described support base (1) bottom is fixedly provided with traveling wheel (23), and described support base (1) is away from riser ( 2) One side is fixedly provided with a push frame (24).

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