Cutting machine for road construction

Abstract

The cutting machine for road construction comprises a movable frame, a lifting table, two telescopic rods, a motor, a main shaft, an adjusting assembly and two saw blades, the lifting table is horizontally arranged on the top face of the movable frame, and the telescopic rods are vertically fixed to the two sides of the lifting table and used for driving the lifting table to move in the vertical direction; the main shaft is horizontally arranged and rotationally connected with the lifting table, the two ends of the main shaft extend to the left side and the right side of the movable frame, and the two saw blades are arranged at the two ends of the main shaft in a sliding mode respectively and fixed in the circumferential direction. The motor is fixedly arranged on the top face of the movable frame and used for driving the main shaft to rotate. The adjusting assembly is connected with the two saw blades and adjusts the interval between the two saw blades. And rollers are arranged at the bottom of the moving frame. The problem that a cutting machine cannot cut two cutting lines at the same time is solved, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to road construction equipment especially road construction cutting machine. BACKGROUND

[0002] In road construction, cutting machine is used for cutting and trimming road surface material. In the existing cutting equipment, only one circular saw blade is generally provided. However, when two parallel cutting lines are needed to be cut on the road surface, and then the pipeline or line is laid after the middle material is broken and removed by using an electric grab, the cutting equipment needs to cut twice, which affects the work efficiency and cannot ensure that the interval of the two cutting lines is always consistent. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model provides a cutting machine for road construction, which solves the problem of the cutting machine in the prior art that cannot simultaneously cut two cutting lines, thereby affecting the work efficiency.

[0004] According to the embodiment of the utility model, a cutting machine for road construction, including mobile frame, lifting platform, two telescopic rods, motor, main shaft, adjusting assembly and two saw blades, the lifting platform horizontal setting in the top surface of mobile frame, the telescopic rod vertical fixed in the two sides of lifting platform and is used for driving lifting platform moves in vertical direction, the main shaft horizontal setting and with lifting platform rotation connection, and the both ends of main shaft extend to the left and right sides of mobile frame, two the saw blade is slidably arranged in the both ends of main shaft and is fixed in the circumference, the motor fixed setting in the top surface of mobile frame is used for driving main shaft rotation, the adjusting assembly is connected with two saw blades and adjusts the interval between two saw blades, the mobile frame bottom is provided with the roller.

[0005] The technical principle of the utility model is that two saw blades are arranged at the both ends of the main shaft, the motor drives the main shaft to rotate so that the two saw blades rotate synchronously, and the adjusting assembly can adjust the interval of the two saw blades on the main shaft.

[0006] As a preferred, the adjusting assembly includes a guide rail, two connecting sleeves, two connecting rods and an adjusting block, the guide rail is horizontally arranged on one side of the main shaft, and the extension line of the guide rail vertically passes through the midpoint of the main shaft, the guide rail and the lifting platform are fixedly connected, the middle part of the saw blade is fixedly provided with a sliding sleeve, the sliding sleeve slides along the axial direction of the main shaft and is fixed in the circumference, the connecting sleeve and the sliding sleeve are rotationally connected and axially fixed, the adjusting block and the guide rail are slidingly connected, and the adjusting block and the guide rail are provided with a matched pin and a pin hole, one end of the two connecting rods is hingedly connected with the adjusting block, and the other end of the connecting rod is hingedly connected with the connecting sleeve.

[0007] As preferred, the width of the lifting platform is less than the width of the moving frame, and the moving frame is provided with clearance for saw blade movement on both sides.

[0008] As preferred, the moving frame is fixedly provided with a water tank, two spray heads and a water pump, the water tank is fixedly provided on the moving frame, the spray heads are slidably provided on both sides of the moving frame and are in communication with the water tank, and the water pump is fixedly connected with the moving frame and is used for extruding water in the water tank to the spray heads.

[0009] As preferred, the saw blade and the sliding sleeve are detachably connected.

[0010] As preferred, the middle part of the main shaft is fixedly provided with a first gear, the output shaft of the motor is fixedly provided with a second gear, and the first gear and the second gear are conical gears and are in engagement with each other.

[0011] Compared with the prior art, the utility model has the beneficial effects that: two saw blades are arranged in the utility model, when the cutting machine moves, two parallel cutting lines can be cut on the ground, the material between the two cutting lines is removed by workers, the groove boundary opened on the ground is flat, and the pavement outside the cutting line is not damaged when the electric grab is broken. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a top view of the utility model.

[0013] In the above drawings: 1, moving frame; 2, connecting rod; 3, telescopic rod; 4, spray head; 5, saw blade; 6, sliding sleeve; 7, connecting sleeve; 8, connecting rod; 9, adjusting block; 10, guide rail; 11, motor; 12, second gear; 13, first gear; 14, main shaft; 15, lifting platform; 16, water tank. DETAILED DESCRIPTION

[0014] As Figure 1As shown in the utility model embodiment, the cutting machine for road construction comprises a moving frame 1, a lifting platform 15, two telescopic rods 3, a motor 11, a main shaft 14, an adjusting assembly and two saw blades 5. The lifting platform 15 is a flat plate, and is horizontally arranged on the top surface of the moving frame 1. The telescopic rods 3 are vertically fixed on the two sides of the lifting platform 15 and are used for driving the lifting platform 15 to move in the vertical direction. The bottom of the telescopic rod 3 is fixedly connected to the top of the moving frame 1. The top of the telescopic rod 3 is fixedly provided with a connecting rod 2. The connecting rod 2 is fixedly connected to the side surface of the lifting platform 15. The main shaft 14 is horizontally arranged and is rotationally connected to the lifting platform 15. The two ends of the main shaft 14 extend to the left and right sides of the moving frame 1. The two saw blades 5 are respectively slidably arranged at the two ends of the main shaft 14 and are circumferentially fixed. The motor 11 is fixedly arranged on the top surface of the moving frame 1 and is used for driving the main shaft 14 to rotate. The adjusting assembly is connected to the two saw blades 5 and adjusts the interval between the two saw blades 5. The bottom of the moving frame 1 is provided with a roller. In the embodiment, an internal combustion engine is arranged on the moving frame 1 and is used for driving the roller on the moving frame 1 to rotate. When the utility model is used, the height of the moving frame 1 is first lowered through the telescopic rod 3, the rotating saw blade 5 is lowered to a state of being deeply inserted into the ground, and then the moving frame 1 is moved to cut. The motor 11 can be powered when the internal combustion engine is working.

[0015] As preferred, the adjusting assembly comprises a guide rail 10, two connecting sleeves 7, two connecting rods 8 and an adjusting block 9. The guide rail 10 is horizontally arranged on one side of the main shaft 14, and the extension line of the guide rail 10 vertically passes through the midpoint of the main shaft 14. The guide rail 10 is fixedly connected to the lifting platform 15. The middle part of the saw blade 5 is fixedly provided with a sliding sleeve 6. The sliding sleeve 6 is coaxial with the saw blade 5, and the sliding sleeve 6 slides along the axial direction of the main shaft 14 and is circumferentially fixed. The connecting section of the main shaft 14 and the sliding sleeve 6 is rectangular in cross section, so that the main shaft 14 and the sliding sleeve 6 are circumferentially fixed. The connecting sleeve 7 is rotationally connected to the sliding sleeve 6 and is axially fixed. A bearing is arranged between the connecting sleeve 7 and the sliding sleeve 6. The adjusting block 9 is slidably connected to the guide rail 10. The adjusting block 9 and the guide rail 10 are provided with matched pins and pin holes. A plurality of pin holes are sequentially arranged on the guide rail 10. One end of each of the two connecting rods 8 is hingedly connected to the adjusting block 9, and the other end of each of the two connecting rods 8 is hingedly connected to the connecting sleeve 7. When used, the position of the adjusting block 9 on the guide rail 10 is adjusted, and then a pin is used for fixation. The connecting rod 8 connected to the adjusting block 9 drives the sliding sleeve 6 to slide on the main shaft 14, so as to change the interval between the two saw blades 5. When the moving frame 1 moves, two cutting lines required on the ground can be cut. The interval between the two cutting lines can be set according to requirements.

[0016] As preferred, the width of the lifting platform 15 is less than the width of the moving frame 1, and the moving frame 1 is provided with clearance for the movement of the saw blades 5. When the distance between the saw blades 5 is reduced, the clearance can make the two saw blades 5 closer, reducing the influence of the moving frame 1 on the distance between the two saw blades 5.

[0017] As preferred, the moving frame 1 is fixedly provided with a water tank 16, two spray heads 4 and a water pump. The water tank 16 is fixedly provided on the moving frame 1. The spray heads 4 are slidingly provided on the two sides of the moving frame 1 and are in communication with the water tank 16. The water pump is fixedly connected with the moving frame 1 and is used to press the water in the water tank 16 to the spray heads 4. When the saw blades 5 are cutting the ground, the water pump supplies the water in the water tank 16 to the spray heads 4 to cool the saw blades 5, and at the same time, can play a role in dust reduction. The saw blades 5 will slide on the main shaft 14 and the position will change. The spray heads 4 slide on the moving frame 1 so as to correspond to the position of the saw blades 5.

[0018] As preferred, the saw blades 5 and the sliding sleeves 6 are detachably connected. When only one cutting line is needed to be cut, one of the saw blades 5 and the sliding sleeves 6 is detached. The saw blades 5 and the sliding sleeves 6 are fixed by a plurality of bolts.

[0019] As preferred, the middle part of the main shaft 14 is fixedly provided with a first gear 13, and the output shaft of the motor 11 is fixedly provided with a second gear 12. The first gear 13 and the second gear 12 are conical gears and are in meshing with each other. In the embodiment, the output shaft of the motor 11 is in horizontal state.

[0020] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application. They should all be covered in the scope of the claims of the present application.

Claims

1. A road construction cutting machine characterized by: The utility model provides a movable frame (1), lift platform (15), two telescopic rods (3), motor (11), main shaft (14), adjusting assembly and two saw blades (5), lift platform (15) horizontal surface is set up in the top of movable frame (1), telescopic rod (3) vertical fixed in the both sides of lift platform (15) and is used to drive lift platform (15) in vertical direction moves, main shaft (14) horizontal surface is set up and is connected with lift platform (15) rotation, and the both ends of main shaft (14) extend to the left and right sides of movable frame (1), and two saw blades (5) are respectively slidably arranged on the both ends of main shaft (14) and are fixed in the circumferential direction, motor (11) fixed setting is in the top of movable frame (1) is used to drive main shaft (14) rotation, adjusting assembly is connected with two saw blades (5) and adjusts the interval between two saw blades (5), the bottom of movable frame (1) is provided with the roller.

2. A road cutting machine for use in road construction as claimed in claim 1, wherein: The adjusting assembly includes a guide rail (10), two connecting sleeves (7), two connecting rods (8), and an adjusting block (9). The guide rail (10) is horizontally arranged on one side of the main shaft (14) and the extension line of the guide rail (10) passes through the midpoint of the main shaft (14) vertically. The guide rail (10) is fixedly connected with the lift platform (15). The middle part of the saw blade (5) is fixedly provided with a sliding sleeve (6), which slides along the axial direction of the main shaft (14) and is fixed in the circumferential direction. The connecting sleeve (7) is rotationally connected with the sliding sleeve (6) and is axially fixed. The adjusting block (9) is slidingly connected with the guide rail (10), and the adjusting block (9) and the guide rail (10) are provided with matching pins and pin holes. One end of each of the two connecting rods (8) is hingedly connected with the adjusting block (9), and the other end of each of the two connecting rods (8) is hingedly connected with the connecting sleeve (7).

3. A road cutting machine as claimed in claim 1, wherein: The width of the lift platform (15) is less than the width of the movable frame (1), and the movable frame (1) is provided with an avoidance position on both sides for the movement of the saw blade (5).

4. A road cutting machine for use in road construction as claimed in claim 1, wherein: A water tank (16), two spray heads (4), and a water pump are fixedly arranged on the movable frame (1). The water tank (16) is fixedly arranged on the movable frame (1). The spray heads (4) are slidably arranged on both sides of the movable frame (1) and are in communication with the water tank (16). The water pump is fixedly connected with the movable frame (1) and is used to press the water in the water tank (16) to the spray heads (4).

5. A road cutting machine for use in road construction as claimed in claim 2 wherein: The saw blade (5) and the sliding sleeve (6) are detachably connected.

6. A road cutting machine for use in road construction as claimed in claim 1, wherein: A first gear (13) is fixedly arranged on the middle part of the main shaft (14), and a second gear (12) is fixedly arranged on the output shaft of the motor (11). The first gear (13) and the second gear (12) are conical gears and are meshed with each other.

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