CN211713635U

CN211713635U - Milling device for repairing asphalt concrete pavement

Info

Publication number: CN211713635U
Application number: CN201922293654.9U
Authority: CN
Inventors: 季晓丽; 李熙
Original assignee: Shanghai Liyang Road Reinforcement Technology Co ltd
Current assignee: Shanghai Liyang Road Reinforcement Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-10-20
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a milling device for repairing asphalt concrete pavement, which comprises a working machine case and a diesel engine, the diesel engine is arranged in the middle of the upper end surface of the working case, the left side of the upper end surface of the working case is provided with a fixed plate, the upper end surface of the fixed plate is provided with a control panel, the left side of the control panel is fixed with a handrail through a screw, a first transmission wheel is fixed on an output shaft of the diesel engine and connected with a second transmission wheel through a transmission belt, a transmission gear is fixed at the other end of the connecting shaft lever, a driven gear is engaged on the transmission gear, a connecting rod is arranged in the connecting shaft rod, fixing plates are symmetrically arranged at two ends of the connecting rod, a circular groove is formed in the end face of each fixing plate, a first bearing is arranged in each circular groove, and the milling hob is rotatably connected between the two fixing plates through the first bearing.

Description

Milling device for repairing asphalt concrete pavement

Technical Field

The utility model relates to an asphalt concrete road surface repair equipment technical field specifically is a mill plane device for asphalt concrete road surface is restoreed.

Background

As the traffic flow is rapidly increased, after the asphalt road is used for a period of time, the road surface can be damaged in different degrees, and partial or all maintenance is required. The main diseases of the asphalt road are ruts, pits, hugs and net cracks, the driving speed and the driving safety are affected by the asphalt road, the asphalt road cracks, if the maintenance treatment is not carried out in time, rainwater continuously invades and permeates, the asphalt road foundation sinks, and the bearing capacity is lower and lower. The common practice in the maintenance of asphalt pavement is to plane the local area of asphalt pavement where the road is crowded with a milling machine, fill asphalt mixture in the groove, and pour potting material after the crack of asphalt pavement is opened, the milling device in the prior art is difficult to adjust the milling depth in the working process, so that the milling hob collides with the ground for a long time, the service life of the hob is reduced, the working efficiency of the device is affected, and severe vibration is generated, therefore, it is necessary to provide a milling device for asphalt concrete pavement restoration, so as to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the utility model provides a following technical scheme: a milling device for repairing an asphalt concrete pavement comprises a working case and a diesel engine, wherein the diesel engine is arranged in the middle of the upper end face of the working case, a fixing plate is arranged on the left side of the upper end face of the working case, a control panel is arranged on the upper end face of the fixing plate, a hand support is fixed on the left side of the control panel through screws, the hand support is of a support structure with a C-shaped cross section, two large rollers are symmetrically arranged on the lower side of the left end face of the working case, two small rollers are symmetrically arranged on the lower side of the right end face of the working case, a first conveying wheel is fixed on an output shaft of the diesel engine, a conveying belt is arranged on the first conveying wheel, the first conveying wheel is connected with a second conveying wheel through the conveying belt, the second conveying wheel is fixed with one end connected with a shaft rod, and a transmission gear is fixed at the other end of, the milling cutter is characterized in that a driven gear is meshed with the transmission gear and fixed to one end of the milling cutter rod, a connecting rod is arranged in the connecting shaft rod, two ends of the connecting rod penetrate through the transmission gear and the second conveying wheel respectively and extend to the outer side, fixing plates are symmetrically arranged at two ends of the connecting rod, a circular groove is formed in the end face of each fixing plate, a first bearing is arranged in each circular groove, and the milling cutter rod is rotatably connected between the two fixing plates through a first bearing.

As an optimal technical scheme of the utility model, the connecting shaft pole is hollow structure, and installs two bearings two in the connecting shaft pole, the connecting rod rotates through bearing two and rotates to be connected in the connecting shaft pole, the one end that the conveying wheel two was kept away from to the connecting rod is passed fixed plate and is extended to the outside, the end of connecting rod is fixed with gear one, gear one external toothing has gear two, gear two is fixed mutually with driving motor's output shaft.

As a preferred technical scheme of the utility model, be provided with the milling cutter seat that a plurality of annular was arranged on milling cutter arbor, be provided with in the milling cutter seat and mill the milling cutter head, the head that mills the milling cutter head adopts large granule carbon tungsten alloy, and the knife tip is the toper, and the contained angle that becomes is 62.

As an optimal technical scheme of the utility model, control panel is last to be provided with the button, controls opening of diesel engine and driving motor and stops.

Compared with the prior art, the utility model provides a be used for prosthetic mill of asphalt concrete road surface plane device, possess following beneficial effect:

1. the utility model realizes the work transmission of the milling cutter bar by utilizing the gear engagement, so that the phenomenon of slipping of the internal structure can not occur when the milling cutter bar is deeply cut into the ground, and the structure is compact;

2. when the milling depth is adjusted, the distance between the milling cutter bar and the connecting shaft rod is kept constant, and the phenomenon that the transmission gear is not fully meshed with the driven gear to cause damage to the inside of the device is prevented;

3. the device has flexible structure and simple operation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the middle working machine case of the present invention;

FIG. 3 is a cross-sectional view of the connecting shaft of the present invention;

fig. 4 is a schematic structural view of the milling cutter head and the milling cutter holder of the present invention cooperating with each other;

in the figure: 1. a hand-held rack; 2. a control panel; 21. a button; 3. a diesel engine; 31. a first transmission wheel; 32. a conveyor belt; 33. a second conveying wheel; 34. connecting the shaft lever; 35. a transmission gear; 36. a fixing plate; 37. a connecting rod; 38. a second bearing; 39. a first gear; 4. a small roller; 5. a working chassis; 6. large rollers; 7. milling a cutter bar; 71. a driven gear; 72. a first bearing; 73. milling a cutter seat; 74. milling and planing a cutter head; 75. a second gear; 76. a circular groove; 8. and fixing the plate.

Detailed Description

Referring to fig. 1 to 4, the utility model provides a technical scheme: a milling device for repairing an asphalt concrete pavement comprises a working case 5 and a diesel engine 3, wherein the diesel engine 3 is installed in the middle of the upper end face of the working case 5, a fixing plate 8 is installed on the left side of the upper end face of the working case 5, a control panel 2 is arranged on the upper end face of the fixing plate 8, a hand frame 1 is fixed on the left side of the control panel 2 through screws, the hand frame 1 is of a support structure with a C-shaped cross section, two rollers 6 are symmetrically installed on the lower side of the left end face of the working case 5, two small rollers 4 are symmetrically installed on the lower side of the right end face of the working case, a first conveying wheel 31 is fixed on an output shaft of the diesel engine 3, a conveying belt 32 is arranged on the first conveying wheel 31, the first conveying wheel 31 is connected with a second conveying wheel 33 through the conveying belt 32, and the second conveying wheel 33 is fixed with one end of a connecting shaft lever 34, a transmission gear 35 is fixed at the other end of the connecting shaft lever 34, a driven gear 71 is engaged with the transmission gear 35, the driven gear 71 is fixed with one end of the milling cutter bar 7, a connecting rod 37 is arranged in the connecting shaft lever 34, two ends of the connecting rod 37 respectively penetrate through the transmission gear 35 and the second transfer wheel 33 and extend to the outside, fixing plates 36 are symmetrically arranged at two ends of the connecting rod 37, a circular groove 76 is formed in the end surface of the fixing plate 36, a bearing I72 is arranged in the circular groove 76, the milling cutter bar 7 is rotatably connected between the two fixing plates 36 through the bearing I72, the milling cutter 7 is arranged between the two fixing plates 36, the adjustment of the working depth of the milling cutter bar 7 is realized by changing the horizontal plane included angle of the fixing plates 36, and particularly, when the device is used, the device is pushed to repair the road, through opening diesel engine 3, diesel engine 3 machine passes through the output shaft with kinetic energy and transmits for transfer gear 31, transfer gear 31 drives transfer gear two 33 rotatoryly through transfer belt 32, make connecting shaft 34 begin to be rotary motion, utilize the meshing effect between drive gear 35 and the driven gear 71, thereby make the work of milling cutter arbor 7, the realization is milled the plane to the road surface, the staff mills the direction through hand frame 1 controlling means road surface, adjust the horizontal plane work contained angle of fixed plate 36, help control mills the working depth of milling cutter arbor 7, improve and mill the precision, reduce the road surface and mill the number of times repeatedly, and then improve work efficiency.

In this embodiment, the connecting shaft rod 34 is a hollow structure, two bearings two 38 are installed in the connecting shaft rod 34, the connecting rod 37 is rotatably connected in the connecting shaft rod 34 through the bearings two 38, one end of the connecting rod 37, which is far away from the second conveying wheel 33, penetrates through the fixed fixing plate 36 and extends to the outside, a first gear 39 is fixed at the tail end of the connecting rod 37, a second gear 75 is externally engaged with the first gear 39, the second gear 75 is fixed with an output shaft of the driving motor, and the fixed plate ensures that the distance between the milling cutter bar and the connecting shaft rod is constant, so that the conveying gear is fully engaged with the driven gear, insufficient gear engagement and internal structure looseness are prevented when the milling cutter bar is adjusted.

In this embodiment, the driving motor is a power-off self-locking stepping motor, and the model is FHB 31115.

In this embodiment, be provided with the milling cutter seat 73 that a plurality of annular was arranged on milling cutter arbor 7, be provided with milling cutter head 74 in milling cutter seat 73, milling cutter head 74's head adopts the large granule carbon tungsten alloy, and the knife tip is the toper, and the contained angle that becomes is 62, utilizes the awl when cutting into the ground to go into the performance, reduces the cutting resistance, and conveniently changes regularly to maintain.

Referring to fig. 4, in this embodiment, a button 21 is arranged on the control panel 2 to control the start and stop of the diesel engine 3 and the driving motor, so that the operation is simple and the use is convenient.

The above, only be the concrete implementation of the preferred embodiment of the utility model, but the protection scope of the utility model is not limited thereto, and any technical personnel familiar with this technical field should be covered within the protection scope of the utility model in the technical scope of the utility model discloses, according to the technical scheme of the utility model and the utility model conception equivalence substitution or change.

Claims

1. A milling device for asphalt concrete pavement restoration, comprising a working machine case (5) and a diesel engine (3), characterized in that: the diesel engine (3) is installed in the middle of the upper end face of the working case (5), the fixing plate (8) is installed on the left side of the upper end face of the working case (5), the control panel (2) is arranged on the upper end face of the fixing plate (8), the hand support (1) is fixed on the left side of the control panel (2) through screws, the hand support (1) is of a support structure with a C-shaped cross section, two large rollers (6) are symmetrically installed on the lower side of the left end face of the working case (5), two small rollers (4) are symmetrically installed on the lower side of the right end face of the working case, a first conveying wheel (31) is fixed on an output shaft of the diesel engine (3), a conveying belt (32) is arranged on the first conveying wheel (31), and the first conveying wheel (31) is connected with a second conveying wheel (33) through the conveying belt (32), the milling cutter is characterized in that the second transmission wheel (33) is fixed to one end of the connecting shaft rod (34), a transmission gear (35) is fixed to the other end of the connecting shaft rod (34), a driven gear (71) is meshed with the transmission gear (35), the driven gear (71) is fixed to one end of the milling cutter rod (7), a connecting rod (37) is arranged in the connecting shaft rod (34), two ends of the connecting rod (37) penetrate through the transmission gear (35) and the second transmission wheel (33) respectively and extend to the outer side, fixing plates (36) are symmetrically arranged at two ends of the connecting rod (37), a circular groove (76) is formed in the end face of each fixing plate (36), a first bearing (72) is arranged in each circular groove (76), and the milling cutter rod (7) is rotatably connected between the two fixing plates (36) through the first bearing (72).

2. Milling device for asphalt concrete pavement restoration according to claim 1, characterised in that: the connecting shaft rod (34) is of a hollow structure, two bearings II (38) are installed in the connecting shaft rod (34), the connecting rod (37) is rotatably connected into the connecting shaft rod (34) through the bearings II (38), one end, far away from the transmission wheel II (33), of the connecting rod (37) penetrates through the fixed fixing plate (36) and extends to the outer side, a gear I (39) is fixed to the tail end of the connecting rod (37), a gear II (75) is meshed outside the gear I (39), and the gear II (75) is fixed to an output shaft of the driving motor.

3. Milling device for asphalt concrete pavement restoration according to claim 1, characterised in that: milling cutter arbor (7) are last to be provided with milling cutter seat (73) that a plurality of annular was arranged, be provided with in milling cutter seat (73) and mill planer tool bit (74), the head that mills planer tool bit (74) adopts large granule carbon tungsten alloy, and the knife tip is the toper, and the contained angle that becomes is 62.

4. Milling device for asphalt concrete pavement restoration according to claim 2, characterised in that: the control panel (2) is provided with a button (21) for controlling the start and stop of the diesel engine (3) and the driving motor.