Pavement cutting machine

Abstract

The utility model discloses a road surface cutting machine, which belongs to the technical field of road surface cutting machines, and comprises a base, a dust falling assembly and a protection box, a second motor is arranged in the protection box, and the second motor is connected with the inner walls of the two sides of the protection box through a lifting assembly; the lifting assembly comprises a bearing box and a rack, the two ends of the bearing box are connected with rotating rods, the surfaces of the rotating rods are connected with first gears, one ends of the rotating rods are connected with a power assembly, and the rack is connected with the bearing box through the rotating rods and the first gears; through the arrangement of the lifting assembly, the power assembly can provide power to drive a first gear on the surface of a rotating rod to move on a rack, then a bearing box drives a second motor to move up and down, and the second motor can drive a cutting blade to move up and down; and operators can conveniently adjust the included angle between the cutting blade and the ground.

Description

Technical Field

[0001] The utility model relates to the technical field of road cutting machines, in particular to a road cutting machine. Background Art

[0002] Pavement cutting machines are an important equipment used in road construction, and are widely used in operations such as grooving, trimming, and cutting of concrete and asphalt pavements. Some existing pavement cutting machines cannot adjust the angle between the cutting blade and the ground, and thus cannot adjust the cutting depth.

[0003] For example, a Chinese patent with application number CN201820492248.8 discloses a road cutting machine, including a mobile vehicle, a pusher symmetrically fixed on the mobile vehicle and a driving system arranged on the mobile vehicle; the mobile vehicle is provided with a cutting system, an auxiliary guide system and a dust cover; the cutting system includes a bearing seat symmetrically fixedly installed on the mobile vehicle, a transmission shaft arranged on the bearing seat, a mounting plate symmetrically fixed at both ends of the transmission shaft, a circular array of positioning columns on the mounting plate, a screw arranged at the center of the mounting plate, a nut arranged on the screw, a fixing device and a connecting device arranged between the transmission shaft and the driving system; the fixing device includes a positioning plate, a circular array of positioning holes on the positioning plate and a circular hole opened on the positioning plate; the positioning column passes through the positioning hole; the screw passes through the circular hole.

[0004] The road cutting machine in the above patent also has the problem that the angle between the cutting blade and the ground cannot be adjusted, so we need to propose a road cutting machine. Utility Model Content

[0005] The utility model aims to provide a road cutting machine, which has a structure capable of adjusting the angle between the cutting blade and the ground, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a road cutting machine, comprising a base, a dust reduction assembly for reducing dust generated by ground cutting is arranged on one side of the upper end of the base, a protection box for protecting the motor is arranged on the other side of the upper end of the base, a limiting groove is arranged at one end of the protection box, a second motor is arranged inside the protection box, an output end of the second motor passes through the limiting groove and extends to one side of the limiting groove and is connected with a cutting blade, and the second motor is connected to the inner walls of both sides of the protection box through a lifting assembly;

[0007] The lifting assembly includes a carrying box and a rack, both ends of the carrying box are rotatably connected to a rotating rod, both ends of the surface of the rotating rod are fixedly connected to a first gear, one end of the rotating rod passes through the first gear and extends to the outside of the first gear to be connected to a power assembly, the rack is located on both sides of the carrying box, and the rack is connected to the carrying box through the rotating rod and the first gear.

[0008] Preferably, four groups of racks are provided, and every two groups of racks are embedded at both ends of the inner wall of the side of the protection box, and the racks are meshed and connected with the first gear.

[0009] Preferably, the power assembly includes a support plate rotatably connected to one end of the two groups of rotating rods, a first motor is arranged on both sides of the upper end of the support plate, and an output end of the first motor is connected to a motor gear.

[0010] Preferably, the power assembly further comprises a second gear disposed on one side of the support plate, one side of the second gear is fixedly connected to a rotating rod extending to one side of the support plate, and the second gear is meshingly connected with the motor gear.

[0011] Preferably, a protective cover is provided at the upper end of the cutting blade, and a T-shaped bracket is provided on one side of the protective cover, the protruding end of the T-shaped bracket passes through the limiting groove and is connected to one end of the supporting box, and the protruding end of the T-shaped bracket is located at the upper end of the output shaft of the second motor.

[0012] Preferably, the dust reduction assembly includes a water tank installed and fixed on one side of the upper end of the base, a water inlet hole is provided on one side of the upper end of the water tank, the other side of the upper end of the water tank is connected to a water pump through a pipeline, and one end of the water pump is connected to a hose.

[0013] Preferably, the dust reduction assembly further comprises a plurality of groups of water spray pipes arranged inside the protective cover, the plurality of groups of water spray pipes being evenly distributed on the inner walls on both sides of the protective cover, and the plurality of groups of water spray pipes being connected to the hose through pipelines.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] Through the setting of the lifting component, the utility model can allow the power component to provide power to drive the first gear on the surface of the rotating rod to move on the rack, so that the carrier box can move up and down with the second motor, and the second motor can move the cutting blade up and down, which is convenient for the operator to adjust the angle between the cutting blade and the ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the top view of the interior of the protective box of the utility model;

[0018] Figure 3 It is a three-dimensional cross-sectional structural diagram of the interior of the protective box of the utility model;

[0019] Figure 4 It is a schematic cross-sectional view of the protective cover of the utility model;

[0020] Figure 5 For this utility model Figure 3 Schematic diagram of the A-out amplification structure.

[0021] In the figure: 1. base; 2. water tank; 3. water inlet; 4. water pump; 5. protective box; 6. hose; 7. protective cover; 8. cutting blade; 9. support plate; 10. first motor; 11. second motor; 12. rotating rod; 13. first gear; 14. T-shaped bracket; 15. rack; 16. limiting groove; 17. carrying box; 18. water spray pipe; 19. second gear; 20. motor gear. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 The utility model provides a technical solution: a road cutting machine includes a base 1, and a dust reduction component for reducing dust generated by ground cutting is arranged on one side of the upper end of the base 1; the dust reduction component includes a water tank 2 installed and fixed on one side of the upper end of the base 1, and a water inlet hole 3 is arranged on one side of the upper end of the water tank 2, and a water pump 4 is connected to the other side of the upper end of the water tank 2 through a pipeline, and one end of the water pump 4 is connected to a hose 6; the dust reduction component also includes a plurality of groups of water spray pipes 18 arranged inside the protective cover 7, and the plurality of groups of water spray pipes 18 are evenly distributed on the inner walls on both sides of the protective cover 7, and the plurality of groups of water spray pipes 18 are connected to the hose 6 through pipelines.

[0024] Specifically, through the setting of the dust reduction component, a large amount of dust generated when the cutting machine cuts the ground can be reduced, thereby reducing the diffusion of dust and reducing the impact on the environment. When dust reduction is needed, start the water pump 4 to pump out the clean water inside the water tank 2, let the clean water enter the hose 6, and then the hose 6 distributes the clean water to the inside of the water spray pipe 18. The surface of the water spray pipe 18 is provided with several groups of through holes, and then the clean water is sprayed from the through holes on the surface of the water spray pipe 18 to the surroundings of the cutting blade 8 to reduce the dust generated by the cutting blade 8 cutting the ground. At the same time, the clean water sprayed from the surface of the water spray pipe 18 can also cool the surface of the cutting blade 8 to prevent the surface temperature of the cutting blade 8 from rising due to long-term use, thereby causing damage to the cutting blade 8.

[0025] Preferably, a protective box 5 for protecting the motor is provided on the other side of the upper end of the base 1, a limiting groove 16 is provided at one end of the protective box 5, a second motor 11 is provided inside the protective box 5, the output end of the second motor 11 passes through the limiting groove 16 and extends to one side of the limiting groove 16 and is connected with a cutting blade 8, and the second motor 11 is connected to the inner walls on both sides of the protective box 5 through a lifting assembly; the lifting assembly includes a carrying box 17 and a rack 15, both ends of the carrying box 17 are rotatably connected with a rotating rod 12, both ends of the surface of the rotating rod 12 are fixedly connected with a first gear 13, one end of the rotating rod 12 passes through the first gear 13 and extends to the outside of the first gear 13 and is connected with a power assembly, the rack 15 is located on both sides of the carrying box 17, and the rack 15 is connected to the carrying box 17 through the rotating rod 12 and the first gear 13.

[0026] Preferably, four groups of racks 15 are provided, and two groups of racks 15 are embedded at both ends of the inner wall of the side of the protection box 5 , and the racks 15 are meshed and connected with the first gear 13 .

[0027] Specifically, through the setting of the lifting component, the second motor 11 can move the cutting blade 8 up and down, which is convenient for the operator to adjust the angle between the cutting blade 8 and the ground. When the cutting blade 8 needs to be lifted or lowered, the power component provides power to drive the two groups of rotating rods 12 to rotate. The two groups of rotating rods 12 will drive the four groups of first gears 13 on the surface to move, allowing the first gears 13 to move on the racks 15 embedded in the inner walls of both sides of the protective box 5, so that the rotating rods 12 can move in the vertical direction with the carrying box 17, and the carrying box 17 can move up and down with the second motor 11, thereby allowing the cutting blade 8 fixed at the output end of the second motor 11 to move up and down.

[0028] Preferably, the power assembly includes a support plate 9 rotatably connected to one end of two sets of rotating rods 12, a first motor 10 is arranged on both sides of the upper end of the support plate 9, and the output end of the first motor 10 is connected to the motor gear 20; the power assembly also includes a second gear 19 arranged on one side of the support plate 9, one side of the second gear 19 is fixedly connected to the rotating rod 12 extending to one side of the support plate 9, and the second gear 19 is meshed and connected with the motor gear 20.

[0029] Specifically, through the setting of the power component, power can be provided to the rotating rod 12 so that the rotating rod 12 can rotate, and the first motor 10 can be started, so that the output end of the first motor 10 can rotate with the motor gear 20, and the motor gear 20 can be connected to the second gear 19 through meshing, so that the second gear 19 can rotate, thereby allowing the second gear 19 to rotate with the rotating rod 12.

[0030] Preferably, a protective cover 7 is provided at the upper end of the cutting blade 8, and a T-shaped bracket 14 is provided on one side of the protective cover 7. The protruding end of the T-shaped bracket 14 passes through the limiting groove 16 and is connected to one end of the supporting box 17, and the protruding end of the T-shaped bracket 14 is located at the upper end of the output shaft of the second motor 11. Through the setting of the protective cover 7, the debris generated when the cutting blade 8 cuts the ground can be prevented from moving upward, and the debris can be prevented from spreading to the surroundings. At the same time, it can also facilitate the installation of the water spray pipe 18. Through the setting of the T-shaped bracket 14, the protective cover 7 can be fixedly installed. By installing and fixing the T-shaped bracket 14 and the supporting box 17, the protective cover 7 can be moved with the cutting blade 8.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A road cutting machine, comprising a base (1), characterized in that: A dust reduction component for reducing dust generated by cutting on the ground is arranged on one side of the upper end of the base (1); a protection box (5) for protecting the motor is arranged on the other side of the upper end of the base (1); a limiting groove (16) is arranged at one end of the protection box (5); a second motor (11) is arranged inside the protection box (5); an output end of the second motor (11) passes through the limiting groove (16) and extends to one side of the limiting groove (16) and is connected to a cutting blade (8); the second motor (11) is connected to the inner walls on both sides of the protection box (5) through a lifting component; The lifting assembly comprises a carrying box (17) and a rack (15); two ends of the carrying box (17) are rotatably connected to a rotating rod (12); two ends of the surface of the rotating rod (12) are fixedly connected to a first gear (13); one end of the rotating rod (12) penetrates the first gear (13) and extends to the outside of the first gear (13) to be connected to a power assembly; the rack (15) is located on both sides of the carrying box (17), and the rack (15) is connected to the carrying box (17) through the rotating rod (12) and the first gear (13).

2. A road cutting machine according to claim 1, characterized in that: Four groups of racks (15) are provided, and two groups of racks (15) are embedded at both ends of the inner wall of the side of the protection box (5), and the racks (15) are meshed and connected with the first gear (13).

3. A road cutting machine according to claim 1, characterized in that: The power assembly comprises a support plate (9) rotatably connected to one end of the two groups of rotating rods (12), a first motor (10) is arranged on both sides of the upper end of the support plate (9), and the output end of the first motor (10) is connected to a motor gear (20).

4. A road cutting machine according to claim 3, characterized in that: The power assembly further comprises a second gear (19) arranged on one side of the support plate (9), one side of the second gear (19) is fixedly connected to a rotating rod (12) extending to one side of the support plate (9), and the second gear (19) is meshingly connected with the motor gear (20).

5. A road cutting machine according to claim 1, characterized in that: A protective cover (7) is provided at the upper end of the cutting blade (8).

6. A road cutting machine according to claim 5, characterized in that: A T-shaped bracket (14) is provided on one side of the protective cover (7), the protruding end of the T-shaped bracket (14) passes through the limiting groove (16) and is connected to one end of the carrying box (17), and the protruding end of the T-shaped bracket (14) is located at the upper end of the output shaft of the second motor (11).

7. A road cutting machine according to claim 6, characterized in that: The dust suppression component comprises a water tank (2) mounted and fixed on one side of the upper end of the base (1); a water inlet hole (3) is provided on one side of the upper end of the water tank (2); a water pump (4) is connected to the other side of the upper end of the water tank (2) via a pipeline; and a hose (6) is connected to one end of the water pump (4).

8. A road cutting machine according to claim 7, characterized in that: The dust suppression assembly further comprises a plurality of groups of water spray pipes (18) arranged inside the protective cover (7), wherein the plurality of groups of water spray pipes (18) are evenly distributed on the inner walls on both sides of the protective cover (7), and the plurality of groups of water spray pipes (18) are connected to the hose (6) through pipelines.

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