CN113250061A - Pavement milling machine and construction method thereof - Google Patents
Pavement milling machine and construction method thereof Download PDFInfo
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- CN113250061A CN113250061A CN202110677916.0A CN202110677916A CN113250061A CN 113250061 A CN113250061 A CN 113250061A CN 202110677916 A CN202110677916 A CN 202110677916A CN 113250061 A CN113250061 A CN 113250061A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
- E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
- E01C23/088—Rotary tools, e.g. milling drums
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/46—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing and placing the materials, e.g. slurry seals
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/46—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing and placing the materials, e.g. slurry seals
- E01C19/47—Hydraulic cement concrete mixers combined with distributing means specially adapted for road building
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Road Repair (AREA)
Abstract
The application relates to a pavement milling machine and a construction method thereof, belonging to the field of pavement construction equipment, and comprising a machine body, wherein two ends of the lower surface of the machine body are respectively provided with a travelling mechanism, the travelling mechanism comprises two groups of track assemblies, the lower surface of the machine body is also provided with a milling roller, each track assembly comprises a bearing wheel and a belt body, the travelling mechanism comprises rotating shafts, and the two rotating shafts are arranged in parallel and rotate to the machine body; the body is provided with an engine, the engine is connected with a rotating shaft of the engine, the bearing wheels are coaxially fixed at two ends of the rotating shaft, and the belt body is wound around the two bearing wheels on the same side of the body; the machine body is provided with a conveying assembly for conveying materials, the conveying assembly comprises a conveying belt, a transmission shaft and a reverse rotating shaft, and the transmission shaft and the reverse rotating shaft are parallel to each other; a reversing component for transmission and driving the reverse rotating shaft to rotate reversely is arranged on the rotating shaft; the transmission shaft and the reverse rotating shaft are wound on the conveying belt. This application has the effect that improves the efficiency of construction.
Description
Technical Field
The application relates to the field of pavement construction equipment, in particular to a pavement milling machine and a construction method thereof.
Background
After the existing municipal road is used for a long time, the road surface can crack, rut and other phenomena, and when the road surface is damaged too much, asphalt on the road surface needs to be removed and paved again. The existing asphalt pavement cleaning of the pavement can be usually carried out by using a milling machine, and the milling machine has the advantages of high working efficiency, simplicity in construction, convenience in operation, convenience in control of milling depth and good maneuvering performance.
In the related art, a milling machine includes a machine body, crawler assemblies are disposed on two sides of a lower surface of the machine body, and a milling roller is vertically slid on the lower surface of the machine body. The engine is arranged on the machine body and drives the milling roller to rotate so as to construct the pavement.
In view of the above-mentioned related technologies, the inventor thinks that there is a defect that a large amount of crushed materials are generated on a milled road surface, and the materials stay on the road surface to influence pedestrians and construction, thereby reducing construction efficiency.
Disclosure of Invention
In order to improve the construction efficiency, the application provides a pavement milling machine and a construction method thereof.
The first aspect of the present application provides a road milling machine adopts following technical scheme:
a pavement milling machine comprises a machine body, wherein two ends of the lower surface of the machine body are respectively provided with a travelling mechanism, each travelling mechanism comprises two groups of track assemblies, the lower surface of the machine body is also provided with a milling and planing roller, each track assembly comprises a bearing wheel and a belt body, each travelling mechanism comprises a rotating shaft, and the two rotating shafts are arranged in parallel and rotate on the machine body; the body is provided with an engine, the engine is connected with a rotating shaft of the engine, the bearing wheels are coaxially fixed at two ends of the rotating shaft, and the belt body is wound around the two bearing wheels on the same side of the body; the machine body is provided with a conveying assembly for conveying materials, the conveying assembly comprises a conveying belt, a transmission shaft and a reverse rotating shaft, and the transmission shaft and the reverse rotating shaft are parallel to each other; a reversing component for transmission and driving the reverse rotating shaft to rotate reversely is arranged on the rotating shaft; the transmission shaft and the reverse rotating shaft are wound on the conveying belt.
By adopting the technical scheme, the milling and planing roller is rotated, the engine is powered by the oil tank arranged on the external oil pipe or the machine body, the engine drives one rotating shaft to rotate, the rotating shaft drives the belt body to rotate, and the belt body rubs with the ground, so that the machine body moves forward. The pivot orders about reverse axis of rotation through the reversal subassembly and rotates, and reverse axis of rotation drives the conveyer belt and rotates. Milling the pavement by the milling roller; the material that mills to dig falls on the conveyer belt along with inertia, and the conveyer belt transports the material, and the manual work is collected the material of conveyer belt output, reduces the material and to the influence of construction, improves work efficiency. And the driving source of the reverse rotating shaft for driving the conveying belt to rotate comes from the rotating shaft, so that the possibility that the conveying assembly needs the driving source independently is reduced, and energy and resources are saved.
Optionally, a collection box located below the output end of the conveying assembly is arranged on the machine body.
Through adopting above-mentioned technical scheme, the material is carried in the collecting box by the conveying subassembly, makes things convenient for artifical collection and transportation, improves work efficiency.
Optionally, a stirring roller for stirring the materials is rotationally connected in the collection box; one end of the stirring roller extends out of the machine body, and a first chain transmission assembly connected with a rotating shaft of the stirring roller is arranged on the stirring roller.
Through adopting above-mentioned technical scheme, the material is carried in the collecting box by the conveying subassembly, pours pitch into in the collecting box, forms new material after stirring pitch and material through the stirring roller, utilizes paver or artificial equipment to lay the road surface with new material, can be very fast handle the material to make things convenient for the manual work to be under construction at once, shorten construction cycle, improve the efficiency of construction. Even if new materials are not needed, the materials can be scattered by the stirring roller, and subsequent transportation is facilitated.
Optionally, the first chain transmission assembly comprises a first chain wheel, a second chain wheel and a first chain, the first chain wheel is coaxially connected to the rotating shaft provided with the reversing assembly, the second chain wheel is coaxially arranged at one end of the stirring roller extending out of the machine body, and the first chain wheel and the second chain wheel are wound on the first chain wheel.
Through adopting above-mentioned technical scheme, when the organism passed through running gear and removed, the pivot rotated, and the pivot drives first sprocket and rotates, and first sprocket drives second sprocket and stirring roller synchronous revolution through first chain. The possibility that a single driving source is needed to drive the stirring roller is reduced, and energy and resources are saved.
Optionally, a lifting assembly for vertical movement of the milling and planing roller is arranged on the machine body; the lifting assembly is provided with two lifting assemblies which are positioned at two ends of the milling and planing roller, the lifting assembly comprises a fixed seat arranged on the machine body, a sliding groove is formed in one side, facing the machine body, of the fixed seat in a penetrating mode, a sliding block is connected in the sliding groove of the fixed seat in a sliding mode, and the sliding block is rotatably connected to one end, close to the corresponding fixed seat, of the milling and planing roller; the upper surface of fixing base is provided with the pneumatic cylinder, the output of pneumatic cylinder rotates to be connected in the slider.
Through adopting above-mentioned technical scheme, external hydraulic pump starts pneumatic cylinder, and the output of pneumatic cylinder promotes the slider vertical slip in the spout. The slider drives the milling roller to vertically move to adjust the height of the milling roller. The height of milling roller is adjusted according to the thickness of different road surface asphalt layers, and the asphalt layers with different thicknesses on the road surface are cleaned according to different requirements, so that the construction effect is improved.
Optionally, a second chain transmission assembly is arranged on the milling roller, and the second chain transmission assembly comprises a third chain wheel, a fourth chain wheel and a second chain; the diameter of the fourth chain wheel is larger than that of the third chain wheel; the third chain wheel is coaxially connected to one end of the milling and planing roller, the fourth chain wheel is coaxially connected to one end of the rotating shaft provided with the reversing assembly, and the second chain is wound around the third chain wheel and the fourth chain wheel; the outer diameter of the milling and planing roller is larger than that of the bearing wheel; and the machine body is provided with a tensioning assembly for tensioning the second chain.
By adopting the technical scheme, when the road surface is milled, the milling roller always moves when milling the road surface. When the machine body moves through the traveling mechanism, the rotating shaft rotates, the rotating shaft drives the fourth chain wheel to rotate, and the fourth chain wheel drives the third chain wheel to synchronously rotate with the milling roller through the second chain. Because the diameter of fourth sprocket is greater than the third sprocket, consequently the slew velocity of milling roller is faster than the pivot, because the diameter of milling roller is greater than the diameter of bearing wheel again, consequently the pitch face of milling roller and road can produce the differential when advancing, mills the asphalt layer of road surface. The milling roller does not need an independent driving source, so that energy is saved.
Optionally, a connecting rod is arranged on the machine body, and the fixed seat is fixed with the connecting rod; the tensioning assembly comprises a tensioning wheel; the tensioning wheel is a chain wheel and is abutted and connected to the top end of the second chain; the tensioning wheel is rotationally connected to the moving block, a moving groove for the moving block to vertically slide is formed in the lower surface of the connecting rod, a compression spring is arranged above the moving block, one end of the compression spring is connected with the moving block, and the other end of the compression spring is connected with one side, far away from the ground, of the moving groove.
Through adopting above-mentioned technical scheme, when going up and down milling roller through lifting unit, the distance of third sprocket and fourth sprocket changes. The tensioning wheel is abutted to the upper part of the second chain, so that the second chain always surrounds the third chain wheel and the fourth chain wheel, when the milling roller ascends or descends, the position of the tensioning wheel moves up and down, and the compression spring is compressed or loosened. Keep the second chain to surround third chain and fourth chain all the time through compression spring and take-up pulley, improve the stability of structure.
Optionally, a discharging plate is hinged to the outer side wall of one of the collecting boxes; the collecting box is provided with a notch for enabling the materials in the collecting box to reach the upper part of the discharging plate; the discharging plate is positioned above a rotating shaft of the discharging plate, and a cam is sleeved on the rotating shaft; the cam is attached to the lower surface of the discharging plate; the machine body is provided with a abdicating groove for the rotation of the cam.
Through adopting above-mentioned technical scheme, after the material in the collecting box reached the take the altitude, the material fell on the stripper through the breach, and when the organism removed, the pivot drove the cam and rotates, the below of cam butt stripper. Because the stripper is articulated with the collecting box, consequently the stripper shake reduces the material and glues the possibility of gluing at the stripper with pitch, drives the cam through the pivot and rotates, reduces the demand of extra power supply, practices thrift cost and energy.
Optionally, the reversing assembly includes a first gear and a second gear that are engaged with each other, the first gear is coaxially fixed to the rotating shaft at a corresponding position, and the second gear is coaxially sleeved and fixed to the reverse rotating shaft.
Through adopting above-mentioned technical scheme, the pivot rotates and drives first gear rotation, and first gear and second meshing drive second gear and reverse axis of rotation antiport realize the reversal, and gear engagement's reliability is high.
In a second aspect, the present application provides a construction method for a road milling machine, which adopts the following technical scheme:
s100, starting an engine, wherein the engine drives a plurality of crawler assemblies to move so as to drive the machine body to move;
s200, starting a hydraulic cylinder, enabling the milling roller to be close to the ground by the hydraulic cylinder, and driving the milling roller to rotate by a rotating shaft through a second chain transmission assembly so as to mill the road surface;
s300, when the milling roller can construct an asphalt layer of a road, stopping a hydraulic cylinder, and enabling materials on the milled road surface to enter a collection box through a conveying assembly;
s400, manually pouring asphalt into the collection box; the stirring roller mixes the materials with the asphalt through a first chain transmission assembly;
s500, driving the paver behind the paver body and communicating the discharge plate to a feeding port of the paver.
In summary, the present application includes at least one of the following beneficial technical effects:
1. a milling roller and a crawler belt assembly are arranged below the machine body, and the crawler belt assembly comprises a rotating shaft; the pivot orders about reverse axis of rotation through the reversal subassembly and rotates, and reverse axis of rotation drives the conveyer belt and rotates. Milling the pavement by the milling roller; the material that mills to dig falls on the conveyer belt along with inertia, and the conveyer belt transports the material, and the manual work is collected the material of conveyer belt output, reduces the material and to the influence of construction, improves work efficiency. The driving source of the reverse rotating shaft for driving the conveying belt to rotate comes from the rotating shaft, so that the possibility that the conveying assembly needs the driving source independently is reduced, and energy and resources are saved;
2. a stirring roller for stirring materials is rotationally connected in the collecting box; the materials are conveyed into the collection box by the conveying assembly, the asphalt is poured into the collection box, the asphalt and the materials are stirred by the stirring roller to form new materials, and the new materials are paved on a pavement by using a paving machine or manual equipment, so that the materials can be quickly treated, the manual construction is convenient, the construction period is shortened, and the construction efficiency is improved;
3. the first chain transmission assembly comprises a first chain wheel, a second chain wheel and a first chain; when the machine body moves through the traveling mechanism, the rotating shaft rotates, the rotating shaft drives the first chain wheel to rotate, and the first chain wheel drives the second chain wheel to synchronously rotate with the stirring roller through the first chain. The possibility that a single driving source is needed to drive the stirring roller is reduced, and energy and resources are saved.
Drawings
Fig. 1 is a schematic view of the overall structure of a road milling machine according to embodiment 1 of the present application;
fig. 2 is a partial structural cross-sectional view of the overall structure of the road milling machine shown in fig. 1;
FIG. 3 is an enlarged schematic view of portion A shown in FIG. 1;
fig. 4 is a flowchart of a construction method of a road milling machine according to embodiment 2 of the present application.
Description of reference numerals: 100. a body; 200. a track assembly; 201. a load-bearing wheel; 202. a belt body; 300. milling a planing roller; 301. a main shaft; 302. a slider; 400. a connecting rod; 401. a moving groove; 500. a fixed seat; 501. a chute; 600. a rotating shaft; 700. a placement groove; 701. a yielding groove; 800. an engine; 900. a hydraulic cylinder; 901. a cylinder body; 902. a piston rod; 110. a second chain drive assembly; 111. a third sprocket; 112. a fourth sprocket; 113. a second chain; 120. a tension assembly; 121. a tension wheel; 122. a moving block; 123. a compression spring; 130. a transfer assembly; 131. a drive shaft; 132. a reverse rotating shaft; 133. a conveyor belt; 140. a reversing assembly; 141. a first gear; 142. a second gear; 150. a collection box; 160. a stirring roller; 170. a first chain drive assembly; 171. a first sprocket; 172. a second sprocket; 173. a first chain; 180. a stripper plate; 190. a cam.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a pavement milling machine and a construction method thereof.
Example 1
Referring to fig. 1 and 2, the device comprises a machine body, and two sets of running mechanisms are respectively arranged at two ends of the lower surface of the machine body. The running gear includes two sets of track assemblies 200 arranged symmetrically. The body is moved by the track assembly 200 and the lower surface of the body is provided with a milling roller 300. The body is moved by the track assembly 200 and mills the asphalt layer of the road by the milling roller 300.
Referring to fig. 2 and 3, the milling machine body is divided into two symmetrical rectangular bodies 100, a connecting rod 400 is disposed between the two bodies 100, the connecting rod 400 is provided with four sides which are welded to a channel formed between the two bodies 100 two by two, a fixing seat 500 is welded between the two connecting rods 400 which are close to each other, and the milling roller 300 is disposed on the fixing seat 500. The traveling mechanisms are respectively disposed on the two bodies 100. The milling roller 300 is positioned between the two bodies 100 to reduce interference of the bodies 100 with the milling roller 300 when the milling roller 300 is in operation.
Referring to fig. 2 and 3, the set of traveling mechanism includes two rotating shafts 600 parallel to each other and horizontally disposed, and the rotating shafts 600 penetrate and are rotatably connected to the body 100. The track assembly 200 is disposed at two ends of the rotating shaft 600, and the track assembly 200 includes a bearing wheel 201 and a belt body 202. The number of bearing wheel 201 corresponds with pivot 600, and bearing wheel 201 coaxial cover is established and is welded in the tip of pivot 600. The belt 202 is wound around two bearing wheels 201 at the same side of the machine body. A rectangular placing groove 700 is vertically formed in the upper surface of the first body, and the placing groove 700 is parallel to two side walls of the rotating shaft 600 and is respectively communicated with the outside. The four shafts 600 in the two traveling mechanisms are parallel to each other. The portions of the two rotation shafts 600 of the traveling mechanism adjacent to the placement groove 700 are exposed in the placement groove 700. An engine 800 is fixed on the inner bottom wall of the placing groove 700 through a bolt, and an output shaft of the engine 800 is coaxially connected with a rotating shaft 600 which is far away from another travelling mechanism in the corresponding travelling mechanism. The external oil pipe provides energy for the engine 800, and the engine 800 drives the rotating shaft 600 and the belt body 202 to rotate, so as to drive the body to move.
Referring to fig. 2 and 3, the milling roller 300 is parallel to the rotation shaft 600 and located between the two bodies 100, and the milling roller 300 is located between the two fixing seats 500. The milling and planing roller 300 is coaxially welded with main shafts 301 at two ends thereof, and rectangular sliding blocks 302 are respectively sleeved and rotatably connected on the two main shafts 301. A rectangular sliding groove 501 penetrates through one end of the fixing seat 500 facing the milling roller 300, and the sliding block 302 vertically slides in the sliding groove 501 of the fixing seat 500. Be provided with pneumatic cylinder 900 on the fixing base 500, pneumatic cylinder 900 includes cylinder body 901 and piston rod 902, and cylinder body 901 welds in the upper surface of fixing base 500 vertically, and piston rod 902 runs through and coaxial sliding in the bottom of cylinder body 901, and piston rod 902 wears to establish and slides in fixing base 500, and the bottom of piston rod 902 welds in the upper surface of slider 302. The external hydraulic pump starts the hydraulic cylinder 900, and the piston rod 902 drives the milling roller 300 to ascend and descend.
Referring to fig. 2 and 3, the main shaft 301 of the milling roller 300 is provided with the second chain drive assembly 110, and the second chain drive assembly 110 comprises the third sprocket 111 coaxially welded to an end of the main shaft 301 away from the milling roller 300. The second chain transmission assembly 110 further includes a fourth chain wheel 112, the fourth chain wheel 112 is connected to the traveling mechanism near the placement groove 700 at one end of the rotating shaft 600 near the milling roller 300, the fourth chain wheel 112 is coaxially welded to the rotating shaft 600 at a corresponding position at one end near the third chain wheel 111, and a second chain 113 is wound around the third chain wheel 111 and the fourth chain wheel 112. The diameter of the fourth sprocket 112 is larger than the diameter of the third sprocket 111. The outer diameter of the milling roller 300 is larger than that of the bearing wheel 201, and the tension assembly 120 for tensioning the second chain 113 is arranged on the connecting rod 400. When the rotating shaft 600 rotates, the fourth chain wheel 112 is driven to rotate, and the fourth chain wheel 112 drives the third chain wheel 111 and the milling roller 300 to rotate through the second chain 113.
Referring to fig. 2 and 3, the tension unit 120 includes a tension pulley 121 and a moving block 122, the tension pulley 121 is a sprocket, an axis of the tension pulley 121 is parallel to an axis of the third sprocket 111, and the tension pulley 121 abuts against and is fitted above the second chain 113. The tension wheel 121 is rotatably connected to a vertical side of the moving block 122. A moving groove 401 is vertically formed in the lower surface of the connecting rod 400 on the side close to the tension wheel 121, and the moving block 122 is inserted into and slidably connected to the moving groove 401. The top end of the moving block 122 is provided with a compression spring 123, the compression spring 123 is vertically arranged, the bottom end of the compression spring 123 is welded with the moving block 122, and the top end of the compression spring 123 is welded with the inner top surface of the moving groove 401 in the connecting rod 400. Under the action of the compression spring 123, the tension pulley 121 is always in contact with the second chain 113, reducing the possibility that the second communication is separated from the third sprocket 111 and the fourth sprocket 112.
Referring to fig. 2 and 3, a conveying assembly 130 is further disposed in the placing groove 700 of the body 100, the conveying assembly 130 includes a driving shaft 131, a reverse rotation shaft 132 and a conveying belt 133, and the reverse rotation shaft 132 and the driving shaft 131 are disposed in parallel with the rotation shaft 600. The two ends of the reverse rotation shaft 132 and the transmission shaft 131 are both inserted and rotatably connected to the two opposite side walls in the placement groove 700. The conveyor belt 133 is disposed on the placement groove 700 and wound around the reverse rotation shaft 132 and the transmission shaft 131. The transmission shaft 131 is provided with a reverse rotation assembly 140 for transmitting and driving the reverse rotation shaft 132 to rotate reversely. The materials generated after the milling roller 300 is constructed fall onto the conveyor belt 133 under the inertia of the milling roller 300, the power of the rotating shaft 600 is transmitted to the reverse rotating shaft 132 through the reverse rotating assembly 140, and the reverse rotating shaft 132 rotates to drive the conveyor belt 133 to move so as to transport the materials.
Referring to fig. 2 and 3, the reverse rotation shaft 132 includes a first gear 141 and a second gear 142, and both the first gear 141 and the second gear 142 are spur gears. The first gear 141 and the second gear 142 are both located in the placement groove 700, the first gear 141 is coaxially sleeved and welded at one end of the rotating shaft 600 provided with the fourth sprocket 112, the second gear 142 is coaxially sleeved and welded at one end of the reverse rotating shaft 132 close to the first gear 141, and the first gear 141 is engaged with the second gear 142. When the body moves, the rotating shaft 600 rotates, the rotating direction of the reversing rotating shaft 132 is opposite to the rotating shaft 600 direction through the meshing of the first gear 141 and the second gear 142, and the output direction of the conveyor belt 133 is the side far away from the milling roller 300.
Referring to fig. 2 and 3, the rectangular collection container 150 having an open upper surface is placed on the inner bottom wall of the placement groove 700 of the body 100. The collecting box 150 is provided therein with a stirring roller 160 parallel to the rotating shaft 600, and both ends of the stirring roller 160 are respectively penetrated and rotatably connected to the corresponding inner side walls in the collecting box 150. One end of the stirring roller 160 penetrates through and is rotatably connected with the machine body and extends out of the machine body, and the stirring roller 160 is provided with a first chain transmission assembly 170 for connecting with a rotating shaft 600 thereof.
Referring to fig. 2 and 3, the first chain drive assembly 170 includes a first sprocket 171, a second sprocket 172, and a first chain 173. The first sprocket 171 is coaxially welded to an end of the fourth sprocket 112 away from the corresponding rotating shaft 600, the second sprocket 172 is coaxially welded to an end of the stirring roller 160 extending out of the machine body, and the first chain 173 is wound around the first sprocket 171 and the second sprocket 172. When the rotating shaft 600 rotates, the first chain wheel 171 drives the second chain wheel 172 and the stirring roller 160 to rotate through the first chain 173, asphalt is poured into the collection box 150, and the stirring roller 160 stirs and mixes the material and the asphalt to form a new material.
Referring to fig. 1 and 2, the collection bin 150 is horizontally hinged with a stripper plate 180 on a side away from the milling rotor 300 and toward the engine 800. One side of the collection box 150 close to the discharge plate 180 is provided with a notch for enabling the materials in the collection box 150 to reach the upper part of the discharge plate 180. The stripper plate 180 is positioned above the rotating shaft 600 connected with the engine 800, the cam 190 is welded on the rotating shaft 600 connected with the engine 800, and the peripheral wall of the cam 190 is attached to the lower surface of the stripper plate 180. The inner bottom wall of the placing groove 700 is opened with a receding groove 701 for the cam 190 to rotate. When the rotating shaft 600 rotates, the cam 190 rotates to push the discharging plate 180 to turn and shake, and the new materials in the collecting box 150 are discharged from the discharging plate 180 through the notch after being more.
The implementation principle of the pavement milling machine in the embodiment of the application is as follows: the external oil pipe starts the engine 800, and the engine 800 drives the rotating shaft 600 to rotate. The rotating shaft 600 drives the bearing wheel 201 to rotate, the bearing wheel 201 drives the belt body 202 to rotate, and the belt body 202 rubs with the ground to drive the body to move.
The hydraulic cylinder 900 is actuated by an external hydraulic pump, and the piston rod 902 of the hydraulic cylinder 900 pushes the milling roller 300 to approach the ground. The rotating shaft 600 drives the milling roller 300 to rotate through the second chain transmission assembly 110, so as to perform construction on the ground. When the height of the milling roller 300 is adjusted, the tension wheel 121 drives the second chain 113 to wind the third chain wheel 111 and the fourth chain wheel 112 all the time under the action of the compression spring 123.
The materials milled by the milling roller 300 fall onto the conveyor belt 133 along with the inertia of the milling roller 300, the conveyor belt 133 drives the reverse rotating shaft 132 to rotate through the reversing component 140, the reverse rotating shaft 132 drives the conveyor belt 133 to rotate to transport the materials, and the materials pass through the conveyor belt 133 and fall into the collection box 150.
The stirring roller 160 is driven to rotate by the first chain transmission assembly 170, the materials in the collection box 150 are stirred and smashed by the stirring roller 160, the asphalt can be poured into the collection box 150 at the moment, and the materials and the asphalt are stirred and mixed into new materials by the stirring roller 160.
The new material in the collecting box 150 falls into the discharging plate 180 through the gap after reaching a certain height, the discharging plate 180 is driven by the cam 190 on the rotating shaft 600 to shake, and the new material is discharged from the discharging plate 180.
Example 2
Referring to fig. 4, a construction method of a road milling machine includes the steps of:
s100, starting an engine 800, wherein the engine 800 drives a plurality of crawler belt assemblies 200 to move to drive the body to move;
s200, starting the hydraulic cylinder 900, enabling the milling roller 300 to be close to the ground by the hydraulic cylinder 900, and driving the milling roller 300 to rotate by the rotating shaft 600 through the second chain transmission assembly 110 so as to mill the road surface;
s300, when the milling roller 300 can construct an asphalt layer of a road, the hydraulic cylinder 900 is stopped, and materials on the milled road surface enter the collection box 150 through the conveying assembly 130;
s301, when the milling depth does not meet the requirement, manually restarting the hydraulic cylinder 900, and stopping the hydraulic cylinder 900 after a piston rod 902 of the hydraulic cylinder 900 pushes the milling roller 300 to a specified depth;
s400, manually pouring asphalt into the collection box 150; the mixing roller 160 mixes the material with the asphalt through the first chain drive assembly;
s500, driving the paver behind the machine body and communicating the discharge plate 180 to a feeding port of the paver.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a road surface milling machine, includes the organism, and the both ends of organism lower surface are provided with running gear respectively, and running gear includes two sets of track subassemblies (200), and the lower surface of organism still is provided with milling planing roller (300), its characterized in that: the crawler belt assembly (200) comprises bearing wheels (201) and a belt body (202), the traveling mechanism comprises rotating shafts (600), and the two rotating shafts (600) are arranged in parallel and rotate on the machine body; the engine body is provided with an engine (800), the engine (800) is connected with a rotating shaft (600) of the engine, the bearing wheels (201) are coaxially fixed at two ends of the rotating shaft (600), and the belt body (202) is wound around the two bearing wheels (201) on the same side of the engine body; the machine body is provided with a conveying assembly (130) for conveying materials, the conveying assembly (130) comprises a conveying belt (133), a transmission shaft (131) and a reverse rotating shaft (132), and the transmission shaft (131) and the reverse rotating shaft (132) are parallel to each other; a reverse rotation assembly (140) for transmitting and driving the reverse rotation shaft (132) to reversely rotate is arranged on the rotation shaft (600); the transmission belt (133) is wound with the transmission shaft (131) and the reverse rotating shaft (132).
2. A road milling machine as claimed in claim 1, characterised in that: the machine body is provided with a collecting box (150) which is positioned below the output end of the conveying component (130).
3. A road milling machine as claimed in claim 2, wherein: a stirring roller (160) for stirring materials is rotationally connected in the collection box (150); one end of the stirring roller (160) extends out of the machine body, and a first chain transmission assembly (170) connected with a rotating shaft (600) of the stirring roller (160) is arranged on the stirring roller (160).
4. A road milling machine as claimed in claim 3, characterised in that: the first chain transmission assembly (170) comprises a first chain wheel (171), a second chain wheel (172) and a first chain (173), the first chain wheel (171) is coaxially connected to a rotating shaft (600) provided with the reversing assembly (140), the second chain wheel (172) is coaxially arranged at one end of the stirring roller (160) extending out of the machine body, and the first chain (173) is wound around the first chain wheel (171) and the second chain wheel (172).
5. A road milling machine as claimed in claim 1, characterised in that: the machine body is provided with a lifting assembly used for vertical movement of the milling and planing roller (300); the lifting assembly is provided with two parts and located at two ends of the milling and planing roller (300), the lifting assembly comprises a fixed seat (500) arranged on the machine body, a sliding groove (501) penetrates through one side, facing the machine body, of the fixed seat (500), a sliding block (302) is connected in the sliding groove (501) of the fixed seat (500) in a sliding mode, and the sliding block (302) is rotatably connected to one end, close to the corresponding fixed seat (500), of the milling and planing roller (300); the upper surface of fixing base (500) is provided with pneumatic cylinder (900), the output of pneumatic cylinder (900) rotates and connects in slider (302).
6. A road milling machine as claimed in claim 5, characterised in that: the milling and planing roller (300) is provided with a second chain transmission assembly (110), and the second chain transmission assembly (110) comprises a third chain wheel (111), a fourth chain wheel (112) and a second chain (113); the diameter of the fourth chain wheel (112) is larger than that of the third chain wheel (111); the third chain wheel (111) is coaxially connected to one end of the milling and planing roller (300), the fourth chain wheel (112) is coaxially connected to one end of a rotating shaft (600) provided with a reversing assembly (140), and the third chain wheel (111) and the fourth chain wheel (112) are wound on the second chain (113); the outer diameter of the milling and planing roller (300) is larger than that of the bearing wheel (201); the machine body is provided with a tensioning assembly (120) for tensioning the second chain (113).
7. The road milling machine as claimed in claim 6, wherein: the machine body is provided with a connecting rod (400), and the fixed seat (500) is fixed with the connecting rod (400); the tensioning assembly (120) comprises a tensioning wheel (121); the tensioning wheel (121) is a chain wheel, and the tensioning wheel (121) is abutted against and connected to the top end of the second chain (113); the tensioning wheel (121) is rotatably connected to the moving block (122), a moving groove (401) for the moving block (122) to vertically slide is formed in the lower surface of the connecting rod (400), a compression spring (123) is arranged above the moving block (122), one end of the compression spring (123) is connected with the moving block (122), and the other end of the compression spring is connected with one side, far away from the ground, of the moving groove (401).
8. A road milling machine as claimed in claim 2, wherein: the outer side wall of one of the collecting boxes (150) is hinged with a discharging plate (180); the collecting box (150) is provided with a notch for enabling the materials in the collecting box (150) to reach the upper part of the discharging plate (180); the discharging plate (180) is positioned above a rotating shaft (600) of the discharging plate, and a cam (190) is sleeved on the rotating shaft (600); the cam (190) is attached to the lower surface of the discharging plate (180); the machine body is provided with a yielding groove (701) for the cam (190) to rotate.
9. A road milling machine as claimed in claim 1, characterised in that: the reversing assembly (140) comprises a first gear (141) and a second gear (142) which are meshed with each other, the first gear (141) is coaxially fixed on the rotating shaft (600) at the corresponding position, and the second gear (142) is coaxially sleeved and fixed on the reverse rotating shaft (132).
10. A construction method of a road milling machine as claimed in any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s100, starting an engine (800), wherein the engine (800) drives a plurality of crawler assemblies (200) to move to drive the body to move;
s200, starting a hydraulic cylinder (900), enabling the milling and planing roller (300) to be close to the ground by the hydraulic cylinder (900), and driving the milling and planing roller (300) to rotate to mill and plane the road surface by the rotating shaft (600) through the second chain transmission assembly (110);
s300, when the milling and planing roller (300) can be used for constructing an asphalt layer of a road, the hydraulic cylinder (900) is stopped, and materials on the milled and planed road surface enter the collection box (150) through the conveying assembly (130);
s400, manually pouring asphalt into the collection box (150); the stirring roller (160) mixes the materials with the asphalt through the first chain transmission component;
s500, driving the paver behind the paver body, and communicating a discharging plate (180) to a feeding port of the paver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110677916.0A CN113250061A (en) | 2021-06-18 | 2021-06-18 | Pavement milling machine and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110677916.0A CN113250061A (en) | 2021-06-18 | 2021-06-18 | Pavement milling machine and construction method thereof |
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| CN113250061A true CN113250061A (en) | 2021-08-13 |
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| CN202110677916.0A Pending CN113250061A (en) | 2021-06-18 | 2021-06-18 | Pavement milling machine and construction method thereof |
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Application publication date: 20210813 |
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