CN111519508B

CN111519508B - Cutting device is adjusted according to pitch crackle size

Info

Publication number: CN111519508B
Application number: CN202010408363.4A
Authority: CN
Inventors: 闰天华
Original assignee: Hangzhou Anti Bei Electronic Technology Co ltd
Current assignee: Hangzhou Anti Bei Electronic Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-11-17
Anticipated expiration: 2040-05-14
Also published as: CN111519508A

Abstract

The invention discloses a cutting device for adjusting the size of asphalt cracks, which comprises a cutting trolley, wherein an adjusting cavity with a downward opening is arranged at the left end of the cutting trolley, a cutting cavity with a downward opening is arranged at the right side of the adjusting cavity, a rotating cavity is arranged between the middle of the cutting cavity and the cutting trolley, a control cavity is arranged on the inner wall of the cutting cavity, a rotating wheel is rotatably arranged in the middle of the control cavity, two pull wires are fixedly connected to the upper end and the lower end of the rotating wheel, and a T-shaped rod is fixedly connected to one side of each pull wire, which is far away from the rotating wheel. The influence on vehicles coming and going is reduced, the influence on traffic is reduced, and the life is facilitated.

Description

Cutting device is adjusted according to pitch crackle size

Technical Field

The invention relates to the field of crack repair, in particular to a cutting device adjusted according to the size of an asphalt crack.

Background

Along with the rapid development of traffic, the performance requirement on roads is higher and higher, the knowledge on asphalt concrete is deeper and deeper, the advantages of asphalt concrete pavements are widely applied, as the load capacity of vehicles is increased, the asphalt pavements bring many diseases, cracks are one of the diseases, the service life of the pavements and the driving comfort are greatly influenced, the asphalt concrete pavements with larger cracks need to be repaired after being cut, the traditional asphalt cutting method is slow in speed, cannot cut according to the sizes of the cracks, has larger influence on vehicles in the coming and going, and influences on traffic.

Disclosure of Invention

In order to solve the problems, the invention designs a cutting device for adjusting the size of asphalt cracks, the cutting device for adjusting the size of asphalt cracks comprises a cutting trolley, the left end of the cutting trolley is provided with an adjusting cavity with a downward opening, the right side of the adjusting cavity is provided with a cutting cavity with a downward opening, a rotating cavity is arranged between the middle of the cutting cavity and the cutting trolley, the inner wall of the cutting cavity is provided with a control cavity, the middle of the control cavity is rotatably provided with a rotating wheel, the upper end and the lower end of the rotating wheel are fixedly connected with two pull wires, one side of each pull wire, far away from the rotating wheel, is fixedly connected with a T-shaped rod, the T-shaped rod is slidably connected with the control cavity, the front inner wall and the rear inner wall of the control cavity are fixedly connected with a control spring, one side of the T-shaped rod, far away from the rotating wheel, penetrates through the control cavity and is rotatably connected with a fixed rod, one side of the fixed rod, which is far away from the sliding groove, is fixedly connected with a control panel, the center of the control panel is rotatably connected with a driven shaft, the upper side of the rotating cavity is provided with a motor, the motor is in power connection with an output shaft, the lower end of the output shaft is fixedly connected with an output bevel gear, the output bevel gear is in meshing connection with a driving bevel gear, the driving bevel gear is fixedly connected with the left end of a transmission shaft, the transmission shaft is the symmetrical center of the cutting trolley, one side of the control panel, which is far away from the transmission shaft, is rotatably connected with a cutting blade, the cutting blade is fixedly connected with the driven shaft, universal joints are fixedly arranged between the upper end and the lower end of the driving shaft and the driven shaft, the joints are rotatably provided with, when the rotating wheel rotates clockwise, the T-shaped rod is pulled by the pull wire to move towards the rotating wheel, the fixed rod, the cutting blade, the control panel and the driven shaft are driven to rotate around the universal joint through the sliding groove, the connecting point of the T-shaped rod and the fixed rod slides rightwards relative to the sliding groove while moving towards the rotating wheel, when the rotating wheel stops rotating, the fixed rod keeps the left end still, the baffle plate rotates in the opposite direction around the universal joint under the driving of the reset spring, so that the cutting blade and the control panel are driven to rotate around the sliding groove, so that the cutting blade and the control panel are driven to move towards the transmission shaft, the distance between the two cutting blades is adjusted, the cutting width is adjusted, the right end of the transmission shaft is fixedly connected with a rotating gear, and the rotating gear is meshed with a driven bevel gear, the automatic cutting machine is characterized in that the driven bevel gear is fixedly connected in the middle of an optical shaft, two ends of the optical shaft are fixedly connected with disks, three hopper rods are uniformly and fixedly arranged on the circumferential surface of each disk, one end of each hopper rod, far away from the optical shaft, is hinged to a hopper with an outward opening, the optical shaft is rotated to drive the disks to rotate, so that the hoppers are driven to rotate, the motor is started, the output shaft drives the output bevel gear to rotate, so that the drive bevel gear is driven to rotate, the drive shaft is driven to rotate, the driven shaft is driven to rotate through the universal joint, the cutting blade is driven to cut, the drive bevel gear drives the transmission shaft to rotate through the transmission bevel gear, and the optical shaft is driven to rotate through the rotation gear and the driven bevel gear.

Beneficially, both ends slide around the regulation chamber and are equipped with two regulation poles, two fixed connection adjusting spring between the regulation pole, two adjust the articulated two transfer lines of connecting of pole, the transfer line is located the adjusting spring downside, two the articulated department of transfer line articulates the connecting rack, the straight-teeth gear is connected in the meshing of rack front side, terminal surface fixed connection detecting lever under the regulation pole, the straight-teeth gear with the runner passes through the connecting axle and rotates to be connected, works as when the detecting lever is touch the crackle and moves toward the center, drives adjust the pole and move toward the center, thereby drive the transfer line with the articulated department of rack moves to the right side, thereby promotes the rack moves to the right side, thereby drives mutually meshed the straight-teeth gear clockwise rotation.

Beneficially, the hopper is far away from an opening one end hinged connection support rod, the support rod is far away from one end hinged connection rotating rod of the hopper, the center of the rotating rod is rotatably connected with the disc, the other end of the rotating rod is hinged connection connecting rod, the connecting rod is far away from one end of the connecting rod at the hinged position of the rotating rod and is rotatably provided with a track outer wheel, a guide rail is fixedly arranged on the inner wall of the cutting trolley, the track outer wheel is in sliding contact with the periphery of the guide rail, the guide rail is fixed on the inner wall of the cutting trolley, the inner wall of the guide rail is in sliding contact with the track inner wheel, the track inner wheel is connected with the track outer wheel through the connector, the disc is rotated clockwise, the hopper is driven to rotate through the hopper rod, and meanwhile, the support rod, the rotating rod and the connecting rod are, in the rotating process, the outer wheel of the track receives the pulling force of the inner wheel of the track through the connector, the outer wheel of the track moves along the track set by the guide rail, when the hopper moves to the lower side of the disc, the distance between the outer wheel of the track and the rotating center of the disc is reduced through the guide rail, so that the included angle between the connecting rod and the rotating rod is reduced, the included angle between the rotating rod and the supporting rod is increased through the rotating point, so that the hopper is driven to rotate outwards around the hinged position of the hopper and the hopper rod, the phenomenon that the hopper rotates inwards under the rotation of the disc is overcome, the opening of the hopper is kept horizontally leftwards, so that the collection of cut asphalt is completed, when the hopper continues to rotate, the distance between the outer wheel of the track and the rotating center of the disc is increased, the inward rotation speed of the hopper is accelerated, and the opening of the hopper is, when the hopper moves to the upper right side, the distance between the track outer wheel and the rotating center of the disc is reduced, the opening of the hopper is kept downward, and when the hopper moves to the lower right side, the distance between the track outer wheel and the rotating center of the disc is increased, so that the inward rotating speed of the hopper is accelerated.

Beneficially, the lower right position of cutting trolley slides and is equipped with the containing box, be equipped with the ascending chamber of accomodating of opening in the containing box, the rotatory pitch piece that drives of hopper falls into accomodate the chamber and collect, the articulated hand lever of connecting of cutting trolley upside promotes forward the hand lever makes the cutting trolley carries out work, stimulates backward the hand lever conveniently promotes the dolly.

The invention has the beneficial effects that: the asphalt road cutting machine is used for cutting asphalt roads with cracks, can automatically adjust cutting width according to the size of asphalt pavement cracks, can cut crack two sides simultaneously, improves work efficiency, and simultaneously, is equipped with hopper device and collects the pitch after the cutting, makes things convenient for repairing at the back to improve repair line efficiency, reduce the influence to the vehicle of coming and going, reduce the traffic influence, make things convenient for life.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic diagram of the overall structure of an apparatus for adjusting a cutting according to the size of a crack in asphalt according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "F-F" of FIG. 1;

FIG. 3 is an enlarged schematic view of "A" of FIG. 2;

FIG. 4 is an enlarged schematic view of "C" of FIG. 1;

FIG. 5 is an enlarged schematic view of "D" of FIG. 2;

FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 1;

fig. 7 is a schematic view of the working state of the cutting blade for adjusting the direction.

Detailed Description

The invention will now be described in detail with reference to fig. 1-7, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a cutting device for adjusting the size of asphalt cracks, which comprises a cutting trolley 47, wherein the left end of the cutting trolley 47 is provided with an adjusting cavity 11 with a downward opening, the right side of the adjusting cavity 11 is provided with a cutting cavity 14 with a downward opening, a rotating cavity 29 is arranged between the middle of the cutting cavity 14 and the cutting trolley 47, the inner wall of the cutting cavity 14 is provided with a control cavity 38, the middle of the control cavity 38 is rotatably provided with a rotating wheel 37, the upper end and the lower end of the rotating wheel 37 are fixedly connected with two pull wires 36, one side of each pull wire 36, which is far away from the rotating wheel 37, is fixedly connected with a T-shaped rod 35, the T-shaped rod 35 is slidably connected with the control cavity 38, the front inner wall and the rear inner wall of the control cavity 38 are fixedly connected with a control spring 56, one side of the T-shaped rod 35, which is far away from the rotating wheel 37, penetrates through the control cavity 38 to be rotatably connected with a fixing rod 34, one side of the fixing rod 34, which is far away from the sliding groove 55, is fixedly connected with a control panel 27, the center of the control panel 27 is rotatably connected with a driven shaft 28, the upper side of the rotating cavity 29 is provided with a motor 48, the motor 48 is in power connection with an output shaft 39, the lower end of the output shaft 39 is fixedly connected with an output bevel gear 31, the output bevel gear 31 is in meshing connection with a drive bevel gear 32, the drive bevel gear 32 is fixedly connected in the middle of a driving shaft 33, the drive bevel gear 32 is in meshing connection with a drive bevel gear 54, the drive bevel gear 54 is fixedly connected at the left end of a drive shaft 30, the drive shaft 30 is the symmetrical center of the cutting trolley 47, one side of the control panel 27, which is far away from the drive shaft 30, is rotatably connected with a cutting blade 26, the cutting blade 26 is fixedly, a baffle 57 is rotatably arranged at the joint of the universal joint 40 and the driven shaft 28, a return spring 42 is fixedly connected to the outer wall of the baffle 57 and the rotating cavity 29, when the rotating wheel 37 rotates clockwise, the pull wire 36 pulls the T-shaped rod 35 to move towards the rotating wheel 37, the fixed rod 34, the cutting blade 26, the control disc 27 and the driven shaft 28 are driven to rotate around the universal joint 40 through the sliding groove 55, the connecting point of the T-shaped rod 35 and the fixed rod 34 moves towards the rotating wheel 37 and slides rightwards relative to the sliding groove 55, when the rotating wheel 37 stops rotating, the fixed rod 34 keeps the left end stationary, the baffle 57 rotates around the universal joint 40 in the opposite direction under the driving of the return spring 42, so as to drive the cutting blade 26 and the control disc 27 to rotate around the sliding groove 55, thereby driving the cutting blades 26 and the control panel 27 to move towards the transmission shaft 30, thereby adjusting the distance between the two cutting blades 26, thereby adjusting the cutting width, the right end of the transmission shaft 30 is fixedly connected with a rotating gear 25, the rotating gear 25 is engaged with a driven bevel gear 24, the driven bevel gear 24 is fixedly connected in the middle of an optical axis 21, the front end and the rear end of the optical axis 21 are fixedly connected with a disc 20, three hopper rods 58 are uniformly and fixedly arranged on the circumferential surface of the disc 20, one end of the hopper rod 58, which is far away from the optical axis 21, is hinged with a hopper 15 with an outward opening, thereby rotating the optical axis 21, thereby driving the disc 20 to rotate, thereby driving the hopper 15 to rotate, starting the motor 48, driving the output bevel gear 31 to rotate through the output shaft 39, thereby driving the driving bevel gear 32 to rotate, thereby driving the driving shaft, thereby driving the driven shaft 28 to rotate through the universal joint 40, and further driving the cutting blade 26 to cut, the driving bevel gear 32 rotates and simultaneously driving the driving shaft 30 to rotate through the driving bevel gear 54, and further driving the optical shaft 21 to rotate through the rotating gear 25 and the driven bevel gear 24.

Advantageously, the front end and the rear end of the adjusting cavity 11 are slidably provided with two adjusting rods 13, an adjusting spring 12 is fixedly connected between the two adjusting rods 13, the two adjusting rods 13 are hinged with two driving rods 51, the transmission rod 51 is positioned at the lower side of the adjusting spring 12, the hinged part of the two transmission rods 51 is hinged with a rack 52, the front side of the rack 52 is engaged with a straight gear 53, the lower end surface of the adjusting rod 13 is fixedly connected with a detecting rod 46, the straight gear 53 is rotationally connected with the rotating wheel 37 through a connecting shaft 50, when the detecting rod 46 touches the crack and moves towards the center, the adjusting rod 13 is driven to move towards the center, thereby driving the transmission rod 51 to move towards the center, and driving the hinged position of the transmission rod 51 and the rack 52 to move towards the right, thereby pushing the rack 52 to move to the right, and driving the engaged spur gear 53 to rotate clockwise.

Beneficially, the articulated linking bridge 16 of opening one end is kept away from to hopper 15, the bracing piece 16 is kept away from the articulated linking bridge 17 of one end of hopper 15, the center of dwang 17 with disc 20 rotates and connects, the articulated linking bridge 18 of the other end of dwang 17, the linking bridge 18 is kept away from the linking bridge 18 with the one end rotation of the articulated department of dwang 17 is equipped with track outer wheel 43, the fixed guide rail 19 that is equipped with on the cutting dolly 47 inner wall, track outer wheel 43 sliding contact the periphery of guide rail 19, the inner wall sliding contact track inner wheel 44 of guide rail 19, the track inner wheel 44 with track outer wheel 43 passes through connector 45 to be connected, clockwise rotates disc 20, through hopper pole 58 drives hopper 15 rotates, simultaneously through dwang 17 with the turning point of disc 20 drives bracing piece 16, The rotating rod 17 and the connecting rod 18 rotate clockwise, in the rotating process, the outer rail wheel 43 receives the pulling force of the inner rail wheel 44 through the connector 45, moves along the track set by the guide rail 19, when the hopper 15 moves to the lower side of the disc 20, the distance between the outer rail wheel 43 and the rotating center of the disc 20 is reduced through the guide rail 19, so as to reduce the included angle between the connecting rod 18 and the rotating rod 17, the included angle between the rotating rod 17 and the supporting rod 16 is increased through the rotating point, so as to drive the hopper 15 to rotate outwards around the hinge joint of the hopper 15 and the hopper rod 58, overcome the inward rotation of the hopper 15 under the rotation of the disc 20, further keep the opening of the hopper 15 horizontal to the left, thereby completing the collection of the cut asphalt, and when the hopper 15 continues to rotate, increasing the distance between the track outer wheel 43 and the rotation center of the disc 20 to increase the inward rotation speed of the hopper 15, keeping the opening of the hopper 15 upward, decreasing the distance between the track outer wheel 43 and the rotation center of the disc 20 when the hopper 15 moves to the upper right, keeping the opening of the hopper 15 downward, and increasing the distance between the track outer wheel 43 and the rotation center of the disc 20 when the hopper 15 moves to the lower right, increasing the inward rotation speed of the hopper 15.

Beneficially, cutting trolley 47 is provided with storage box 22 at the lower right position in a sliding manner, storage cavity 23 with an upward opening is formed in storage box 22, the asphalt fragments driven by rotation of hopper 15 fall into storage cavity 23 for collection, hand lever 49 is hinged to the upper side of cutting trolley 47 and pushes hand lever 49 forward, so that cutting trolley 47 works and pulls backwards hand lever 49 to facilitate pushing of the trolley.

The following detailed description of the steps of using a cutting device adjusted according to the size of asphalt cracks in conjunction with fig. 1 to 7 is provided:

in the initial state, the cutting trolley 47 is in the horizontal position, the hand lever 49 is slightly leaned against the cutting trolley 47, the return spring 42 and the control spring 56 to be in the loosening state;

when the asphalt cutting machine is used, the hand lever 49 is pulled upwards, the hand lever 49 is pulled backwards, the cutting trolley 47 is pushed, the cutting trolley 47 is positioned above asphalt cracks, the hand lever 49 is pushed forwards, the cutting trolley 47 rotates around wheels to work, the adjusting rod 13 is manually adjusted, the adjusting rod 13 is positioned on the inner side of the cracks, when the cutting blade 26 is horizontal, the motor 48 is started, the output bevel gear 31 is driven to rotate through the output shaft 39, the driving bevel gear 32 is driven to rotate, the driving shaft 33 is driven to rotate, the driven shaft 28 is driven to rotate through the universal joint 40, the cutting blade 26 is driven to cut asphalt, the driving bevel gear 32 rotates, the transmission shaft 30 is driven to rotate through the transmission bevel gear 54, the optical shaft 21 is driven to rotate through the rotating gear 25 and the driven bevel gear 24, the disc 20 is driven to rotate clockwise, and the hopper 15 is driven to rotate through the, meanwhile, the support rod 16, the rotating rod 17 and the connecting rod 18 are driven to rotate clockwise through the rotating points of the rotating rod 17 and the disc 20, in the rotating process, the track outer wheel 43 receives the pulling force of the track inner wheel 44 through the connector 45 and moves along the track set by the guide rail 19, when the hopper 15 moves to the lower side of the disc 20, the rotating center distance between the track outer wheel 43 and the disc 20 is reduced through the guide rail 19, so that the included angle between the connecting rod 18 and the rotating rod 17 is reduced, the included angle between the rotating rod 17 and the support rod 16 is increased through the rotating points, so that the hopper 15 is driven to rotate outwards around the hinged position of the hopper 15 and the hopper rod 58, the phenomenon that the hopper 15 rotates inwards under the rotation of the disc 20 is overcome, the opening of the hopper 15 is kept horizontal leftwards, the collection of the cut asphalt is finished, when the hopper 15 continues to rotate, the rotating center distance between the track outer wheel 43 and, keeping the opening of the hopper 15 upward, when the hopper 15 moves to the upper right, reducing the distance between the rotation centers of the outer wheel 43 and the disc 20, keeping the opening of the hopper 15 downward, when the hopper 15 moves to the lower right, increasing the distance between the rotation centers of the outer wheel 43 and the disc 20, increasing the inward rotation speed of the hopper 15, avoiding interference with the storage box 22, when the detection rod 46 touches a crack to move toward the center, driving the adjustment rod 13 to move toward the center, driving the transmission rod 51 to move toward the center, driving the hinge joint of the transmission rod 51 and the rack 52 to move toward the right, pushing the rack 52 to move toward the right, driving the meshed spur gear 53 to rotate clockwise, driving the runner 37 to rotate clockwise, further pulling the T-shaped rod 35 to move toward the runner 37 through the pull wire 36, driving the fixing rod 34, the cutting blade 26, the control disk 27 and the driven shaft 28 to rotate around the universal joint 40 through the sliding groove 55, when the connection point of the T-shaped rod 35 and the fixed rod 34 moves toward the rotating wheel 37, the connection point relatively slides rightward along the sliding groove 55, when the rotating wheel 37 stops rotating, the fixed rod 34 keeps the left end stationary, the baffle 57 rotates in the opposite direction around the universal joint 40 under the driving of the return spring 42, so as to drive the cutting blade 26 and the control disc 27 to rotate around the sliding groove 55, so as to drive the cutting blade 26 and the control disc 27 to move toward the transmission shaft 30, so as to adjust the distance between the two cutting blades 26, adjust the cutting width, when the cutting is finished, pull the hand lever 49 backwards, push the cutting trolley 47 to move forwards, use the hopper 15 to continue to finish the collection of the asphalt cut at the front end, stop the motor, and push the cutting trolley 47 to the next asphalt crack needing to be cut.

The invention has the beneficial effects that: the asphalt road cutting machine is used for cutting an asphalt road with cracks, can automatically adjust the cutting width according to the size of the cracks of the asphalt road, can cut two sides of the cracks, and improves the working efficiency, and is provided with the hopper device for collecting the cut asphalt, so that the later repair is facilitated, the repair efficiency is improved, the influence on vehicles coming and going is reduced, the traffic influence is reduced, and the life is facilitated.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides a adjust cutting device according to pitch crackle size which characterized in that: the cutting trolley comprises a cutting trolley, wherein an adjusting cavity with a downward opening is arranged at the left end of the cutting trolley, a cutting cavity with a downward opening is arranged at the right side of the adjusting cavity, a rotating cavity is arranged between the middle of the cutting cavity and the cutting trolley, a control cavity is arranged on the inner wall of the cutting cavity, a rotating wheel is rotatably arranged in the middle of the control cavity, two pull wires are fixedly connected to the upper end and the lower end of the rotating wheel, one side of each pull wire, far away from the rotating wheel, is fixedly connected with a T-shaped rod, the T-shaped rod is slidably connected with the control cavity, the front inner wall and the rear inner wall of the control cavity are fixedly connected with a control spring, one side of the T-shaped rod, far away from the rotating wheel, penetrates through the control cavity to slide and is rotatably connected with a fixed rod, a sliding groove is formed in the joint of the fixed, the upper side of the rotating cavity is provided with a motor, the motor is in power connection with an output shaft, the lower end of the output shaft is fixedly connected with an output bevel gear, the output bevel gear is in meshing connection with a driving bevel gear, the driving bevel gear is fixedly connected in the middle of a driving shaft, the driving bevel gear is in meshing connection with a transmission bevel gear, the transmission bevel gear is fixedly connected at the left end of a transmission shaft, the transmission shaft is the symmetric center of the cutting trolley, one side, away from the transmission shaft, of the control panel is rotatably connected with a cutting blade, the cutting blade is fixedly connected with a driven shaft, universal joints are fixedly arranged between the upper end and the lower end of the driving shaft and the driven shaft, the joint of the universal joints and the driven shaft is rotatably provided;

the transmission shaft right-hand member fixed connection rotating gear, rotating gear meshing connection driven bevel gear, driven bevel gear fixed connection is in the middle of the optical axis, both ends fixed connection disc around the optical axis, evenly fixed three hopper bars are equipped with on the disc periphery, the hopper bar is kept away from the articulated outside hopper of connection opening of one end of optical axis.

2. An apparatus for pitch crack size adjustment cutting as defined in claim 1, wherein: the utility model discloses a two-section regulating mechanism, including regulation chamber, fixed connection regulating spring, two adjust the pole, adjust the chamber around both ends slide and be equipped with two regulation poles, two fixed connection regulating spring, two between the regulation pole adjust the articulated two transfer lines of connecting of pole, the transfer line is located the regulating spring downside, two the articulated connecting rack of department of articulation of transfer line, the straight-teeth gear is connected in the meshing of rack front side, terminal surface fixed connection gauge stick under the regulation pole, the straight-teeth gear with the runner passes through the connecting axle and.

3. An apparatus for pitch crack size adjustment cutting as defined in claim 1, wherein: the articulated joint support pole of opening one end is kept away from to the hopper, the bracing piece is kept away from the articulated dwang of connecting of one end of hopper, the center of dwang with the disc rotates to be connected, the articulated connecting rod of the other end of dwang, the connecting rod is kept away from the connecting rod with the one end of the articulated department of dwang is rotated and is equipped with the track foreign steamer, the fixed guide rail that is equipped with on the cutting dolly inner wall, track foreign steamer sliding contact the periphery of guide rail, the guide rail is fixed on the cutting dolly inner wall, wheel in the inner wall sliding contact track of guide rail, in the track with the track foreign steamer passes through the connector is connected.

4. An apparatus for pitch crack size adjustment cutting as defined in claim 1, wherein: the cutting trolley is characterized in that a containing box is arranged at the lower right position of the cutting trolley in a sliding mode, a containing cavity with an upward opening is formed in the containing box, asphalt fragments driven by rotation of a hopper fall into the containing cavity to be collected, the upper side of the cutting trolley is hinged to a hand lever to push the hand lever forwards, so that the cutting trolley works and pulls backwards the hand lever to conveniently push the trolley.