CN-121992704-A - Cutting device for repairing round hole or elliptical hole of pavement

CN121992704ACN 121992704 ACN121992704 ACN 121992704ACN-121992704-A

Abstract

The invention relates to the technical field of pavement repair and cutting, in particular to a cutting device for repairing round holes or elliptical holes on a pavement. The invention comprises a machine shell, a bearing part and a walking crawler belt, wherein the bearing part is fixed at the bottom of the machine shell, and the walking crawler belt is arranged at the bottom of the bearing part. The invention can automatically identify and cut out a round or oval area matched with an original pit slot through the structural design of the cutting mechanism, the image identification positioning module and the controller, avoid excessive cutting, adapt to asphalt layers with different thicknesses through the structural design of the lifting mechanism and the adjusting mechanism, improve the applicability of equipment, obviously improve the accuracy of a cutting path through the auxiliary guide of the guide wheel, effectively prevent scraps from hurting people through the arrangement of the water-spraying dust-settling mechanism, greatly reduce dust pollution, improve construction environment, prevent the cutting disc from being deformed or damaged due to high temperature and prolong the service life through the arrangement of the machine shell.

Inventors

ZOU JING
WANG ZIJIAN
ZHOU XINGYU
YANG YONGZHI
LIU HENGYUAN
ZOU BING
WU LIMING
Huang Huxintong
MOU XINGMING

Assignees

重庆开放大学重庆工商职业学院
重庆科技大学

Dates

Publication Date: 20260508
Application Date: 20260116

Claims (9)

1. A cutting device for repairing round holes or elliptical holes on pavement is characterized by comprising a machine shell (1), a bearing part (2) and a walking crawler belt (3), wherein the bearing part (2) is fixed at the bottom of the machine shell (1), the walking crawler belt (3) is arranged at the bottom of the bearing part (2), a cutting mechanism is arranged at one end of the machine shell (1), the cutting mechanism comprises a movable arm (4), an extension arm (5), a through hole (6), a movable mounting frame (7) and a transmission assembly, the through hole (6) is formed in one end of the machine shell (1), the movable arm (4) is assembled on the inner side of the through hole (6), the movable arm (4) is in clearance fit with the through hole (6), the extension arm (5) is detachably connected at one end of the movable arm (4), the movable mounting frame (7) is assembled at one end of the extension arm (5), and the transmission assembly is assembled on the inner side of the movable mounting frame (7).
2. Cutting device for repairing circular or elliptical holes on a road surface according to claim 1, characterized in that the transmission assembly comprises a motor (8), a rotating shaft (9) and a cutting disc (10), one side of the movable mounting frame (7) is fixedly provided with the motor (8), the inner side of the movable mounting frame (7) is rotationally connected with the rotating shaft (9), the output end of the motor (8) is fixedly connected with the rotating shaft (9), the outer side of the rotating shaft (9) is fixedly provided with the cutting disc (10), and the cutting disc (10) is in clearance fit with the inner side of the movable mounting frame (7).
3. Cutting device for road surface hole or elliptical hole repair according to claim 2, characterized in that between the machine housing (1) and the movable arm (4) a lifting mechanism is fitted for adjusting the position of the cutting disc (10).
4. A cutting device for repairing round or elliptical holes on a road surface according to claim 3, characterized in that the lifting mechanism comprises a transmission rod (11), a first hydraulic rod (12), a mounting cross beam (13), a U-shaped plate (15) and a second hydraulic rod (16), the transmission rod (11) is rotationally connected to two sides of the machine shell (1), the first hydraulic rod (12) is rotationally connected to the top of the transmission rod (11), the two output ends of the first hydraulic rod (12) are rotationally connected with the mounting cross beam (13), the mounting cross beam (13) is fixed with the movable arm (4), two ends of the mounting cross beam (13) are rotationally connected with the transmission rod (11), the U-shaped plate (15) is rotationally connected to two sides of the machine shell (1) and at positions above the transmission rod (11), the second hydraulic rod (16) is rotationally connected to the inner side of the U-shaped plate (15), and the output ends of the second hydraulic rod (16) are rotationally connected with the mounting cross beam (13).
5. The cutting device for repairing circular holes or elliptical holes on a pavement according to claim 4, wherein the lifting mechanism further comprises a pulling rib plate (14), the pulling rib plate (14) is uniformly fixed at two ends of the top of the mounting cross beam (13), and one end of the pulling rib plate (14) is fixed with the movable arm (4).
6. The cutting device for repairing circular holes or elliptical holes on a road surface according to claim 4, wherein an adjusting mechanism is assembled between the extension arm (5) and the movable mounting frame (7), the adjusting mechanism comprises an end shell (17), a third hydraulic rod (18), a positioning rod (20) and a guide wheel (21), one end of the extension arm (5) far away from the movable arm (4) is fixedly provided with the end shell (17), the inner side of the end shell (17) is rotationally connected with the third hydraulic rod (18), the output end of the third hydraulic rod (18) is rotationally connected with the movable mounting frame (7), one end of the movable mounting frame (7) is rotationally connected with the end shell (17), one side of the movable mounting frame (7) far away from the motor (8) is fixedly provided with the positioning rod (20), and one end of the positioning rod (20) is rotationally connected with the guide wheel (21).
7. The cutting device for repairing circular holes or elliptical holes on a road surface according to claim 6, wherein a controller (23) is fixed at one end of the top of the bearing part (2), an image recognition positioning module (19) is fixed at the bottom of the end head shell (17), the image recognition positioning module (19) is electrically connected with the controller (23), and the controller (23) is electrically connected with the motor (8), the first hydraulic rod (12), the second hydraulic rod (16) and the third hydraulic rod (18).
8. Cutting device for road surface circular or elliptical hole repair according to claim 6, characterized in that the inside of the machine housing (1) is equipped with a water-spraying dust-settling mechanism for dust settling during cutting of the cutting disc (10).
9. The cutting device for repairing circular holes or elliptical holes on a road surface according to claim 8, wherein the water spraying and dust settling mechanism comprises a water tank (22), a water pump (24), a water inlet pipe (25), a water outlet pipe (26), a connecting hose (27), a support column (28), a metal pipe (29) and a spray head (30), the water tank (22) is fixed on the inner side of the machine shell (1), the water pump (24) is fixed on one side of the water tank (22), the water inlet pipe (25) is fixed on the input end of the water pump (24), one end of the water inlet pipe (25) is fixed with the water tank (22), the water outlet pipe (26) is fixed on the output end of the water pump (24), the connecting hose (27) is fixed on one end of the water outlet pipe (26), the support column (28) is fixed on the top of the end shell (17), the metal pipe (29) is fixed on the inner side of the support column (28), one end of the metal pipe (29) is fixed with the connecting hose (27), and the spray head (30) is fixed on the other end of the metal pipe (29).

Description

Cutting device for repairing round hole or elliptical hole of pavement Technical Field The invention relates to the technical field of pavement repair and cutting, in particular to a cutting device for repairing round holes or elliptical holes on a pavement. Background In the existing road maintenance, a circular hole square repair mode is generally adopted for repairing circular or irregular pit grooves on a road surface. The original pit groove is firstly cut into a rectangular area through a manual or handheld cutting tool, and then asphalt mixture is filled in for compaction and repair. The method has the following obvious defects although the operation is simple and convenient: The waste of materials is serious, in order to facilitate the subsequent filling, the original pit area is often required to be enlarged, so that unnecessary pavement damage and asphalt material waste are caused; poor repair quality, namely, the seam of the new and old pavement is easy to generate cracks due to irregular edges or deviation of cutting angles, and the repair service life is influenced; the lack of a targeted design is that the current special equipment for efficiently cutting round or oval pits is relatively few; the safety is not enough, namely scraps are splashed in the cutting process, so that potential safety hazards exist; the dust pollution is serious, a great amount of dust generated by dry cutting not only affects the air quality, but also endangers the health of constructors; the equipment heating problem is that the temperature of the blade is easily increased during long-time high-strength cutting operation, and the service life and the cutting precision are affected; The control flexibility is poor, the traditional equipment is difficult to maintain a stable track when cutting complex terrains or curves, and therefore, the cutting device for repairing circular holes or elliptical holes on the pavement is provided. Disclosure of Invention The present invention is directed to a cutting device for repairing a circular or elliptical hole on a road surface, so as to solve the above-mentioned problems in the prior art. In order to solve the technical problems, the invention adopts the following technical scheme: The utility model provides a cutting device for road surface circular hole or elliptical hole are repaired, includes machine casing, loading part and walking track, the bottom of machine casing is fixed with the loading part, the bottom of loading part is provided with the walking track, cutting mechanism is equipped with to the one end of machine casing, cutting mechanism includes the expansion arm, extension arm, opening, movable mounting frame and drive assembly, the opening has been seted up to the one end of machine casing, the expansion arm is equipped with to the inboard of opening, expansion arm and opening clearance fit, the extension arm is connected with in the detachable one end of expansion arm, the movable mounting frame is equipped with to the one end of extension arm, the inboard of movable mounting frame is equipped with drive assembly. Preferably, the transmission assembly comprises a motor, a rotating shaft and a cutting disc, wherein the motor is fixed on one side of the movable mounting frame, the rotating shaft is connected to the inner side of the movable mounting frame in a rotating mode, the output end of the motor is fixed with the rotating shaft, the cutting disc is fixed on the outer side of the rotating shaft, and the cutting disc is in clearance fit with the inner side of the movable mounting frame. Preferably, a lifting mechanism is arranged between the machine housing and the movable arm, and the lifting mechanism is used for adjusting the position of the cutting disc. Preferably, the elevating system includes transfer line, first hydraulic stem, installation crossbeam, U template and second hydraulic stem, the both sides of machine casing all rotate and are connected with the transfer line, the top of transfer line all rotates and is connected with first hydraulic stem, two the output of first hydraulic stem rotates and is connected with an installation crossbeam, the installation crossbeam is fixed with the movable arm, the both ends and the transfer line of installation crossbeam rotate to be connected, the both sides of machine casing just are located the position of transfer line top and all rotate and are connected with the U template, the inboard of U template rotates and is connected with the second hydraulic stem, the output of second hydraulic stem all rotates with the installation crossbeam to be connected. Preferably, the lifting mechanism further comprises a pulling rib plate, the two ends of the top of the mounting cross beam are uniformly fixed with the pulling rib plate, and one end of the pulling rib plate is fixed with the movable arm. Preferably, the adjusting mechanism is assembled between the extension arm and the movable mounting frame, the adjust