CN114703728B - Milling machine special for highway reconstruction and expansion - Google Patents
Milling machine special for highway reconstruction and expansion Download PDFInfo
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- CN114703728B CN114703728B CN202210099018.6A CN202210099018A CN114703728B CN 114703728 B CN114703728 B CN 114703728B CN 202210099018 A CN202210099018 A CN 202210099018A CN 114703728 B CN114703728 B CN 114703728B
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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
- E01C23/0885—Rotary tools, e.g. milling drums with vertical or steeply inclined rotary axis
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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
- E01C23/12—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 taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
- E01C23/122—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 taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus
- E01C23/127—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 taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus rotary, e.g. rotary hammers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Repair (AREA)
Abstract
The invention belongs to the technical field of milling machines, and particularly relates to a special milling machine for highway reconstruction and expansion; the plane milling system comprises a plane milling guide rail and a plane milling cylinder, wherein a plane milling sliding groove is formed in the plane milling guide rail, a plane milling vertical shaft is arranged in the plane milling sliding groove, and a plane milling rack is arranged at the lower part of the plane milling guide rail and meshed with a plane milling vertical shaft gear on the plane milling vertical shaft; the step milling system comprises a plurality of step milling units, each step milling unit comprises a step milling guide rail and a step milling barrel, a step milling chute is arranged on each step milling guide rail, a step milling vertical shaft is arranged in each step milling chute, and a step milling rack is arranged at the lower part of each step milling guide rail and meshed with a step milling vertical shaft gear arranged on each step milling vertical shaft; the invention has large milling depth, can finish the step milling operation with various widths at the same time, and improves the construction efficiency.
Description
Technical Field
The invention belongs to the technical field of milling machines, and particularly relates to a special milling machine for highway reconstruction and expansion.
Background
With the rapid development of economy and rapid development of expressways, the total mileage of expressways in traffic is continuously increased, and with the increase of the expressways, the two-way four-lane expressways built in early, middle and earlier stages cannot meet the daily travel needs of people, and many places are under the work of rebuilding and expanding the two-way four-lane expressways into two-way eight-lane expressways; the widening of the expressway is very different from the newly built expressway, and the widening construction of the expressway needs to carry out a large number of milling on the old road, so that the old road is partially milled, and the step milling is carried out at the joint of the new road and the old road; the milling machine in the market at present mainly aims at the common maintenance engineering design, mainly uses the upper layer of the milled asphalt as the main material, has the defects of low construction speed and low efficiency when the common milling machine is used for the expressway widening construction, and has the maximum milling depth of about 20CM because of the limited operation depth of the common milling machine, but has the old road milling depth of adding a base layer and a subbase layer to the asphalt surface layer when the expressway widening construction is carried out, and has the milling depth of more than 70CM and can finish the full depth construction after 3-4 times of operation; in addition, when the step milling is carried out, the step milling can be completed only by carrying out a plurality of operations, and the construction speed is very low; therefore, it is necessary to develop a milling machine dedicated for highway reconstruction and expansion, which has a large milling depth and can finish the step milling at the same time.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a milling machine special for highway reconstruction and expansion, which has large milling depth and can finish step milling by one-step operation at the same time, thereby effectively improving the construction efficiency.
The purpose of the invention is realized in the following way: the milling machine special for highway reconstruction and expansion comprises a frame, wherein a tire and an engine are arranged on the frame, the engine is connected with a gearbox, the gearbox is connected with a transfer case, the transfer case is connected with a hydraulic motor, and the hydraulic motor is connected with a hydraulic pump;
the right end part of the frame is provided with a plane milling system, the plane milling system comprises a plane milling guide rail and a plane milling barrel, one end of a plane milling screw rod is connected with the frame, and the other end of the plane milling screw rod passes through the plane milling guide rail and is in threaded connection with the plane milling guide rail; the plane milling guide rail is provided with a plane milling chute which is penetrated up and down, a plane milling vertical shaft is arranged in the plane milling chute in a sliding manner, and the lower end of the plane milling vertical shaft is connected with the plane milling cylinder; a plane milling rack is arranged at the lower part of the plane milling guide rail, a plane milling vertical shaft gear is arranged on the plane milling vertical shaft, and the plane milling vertical shaft gear is meshed with the plane milling rack;
the middle part of the frame is provided with a step milling system, the step milling system comprises a plurality of step milling units, each step milling unit comprises a step milling guide rail and a step milling barrel, one end of a step milling screw rod is connected with the frame, and the other end of the step milling screw rod penetrates through the step milling guide rail and is in threaded connection with the step milling guide rail; the step milling guide rail is provided with a step milling chute which is penetrated up and down, a step milling vertical shaft is arranged in the step milling chute in a sliding manner, and the lower end of the step milling vertical shaft is connected with the step milling barrel; the lower part of the step milling guide rail is provided with a step milling rack, the step milling vertical shaft is provided with a step milling vertical shaft gear, and the step milling vertical shaft gear is meshed with the step milling rack.
The plane milling guide rail comprises a middle section guide rail and side section guide rails arranged on two sides of the middle section guide rail, a hinge shaft gear is arranged on the side section guide rail, a steering gear is arranged on the frame, and the steering gear is meshed with the hinge shaft gear.
The plane milling cylinder and the step milling cylinder are both provided with cutter heads, and the cutter heads are detachable cutter heads.
The frame is also provided with a cooling system, the cooling system comprises an air compressor and an air tap, the air tap is arranged in the working range of the plane milling cylinder and the step milling cylinder, the air compressor is connected with the air tap through an air pipe, and the air tap sprays high-pressure air to the plane milling cylinder and/or the step milling cylinder when milling is carried out.
Still be provided with dust collecting system on the frame, dust collecting system includes dust catcher, suction nozzle and dust collection box, the dust catcher set up in on the frame, the suction nozzle set up in plane mill and dig the section of thick bamboo with in the working range of step mill and dig the section of thick bamboo, the rear portion of frame is provided with the work platform, the dust collection box set up in on the work platform, the dust catcher pass through the dust absorption pipe with the suction nozzle is connected, the dust catcher is in plane mill dig the section of thick bamboo and/or step mill and dig the section of thick bamboo and pass through the suction nozzle absorbs dust and tiny particle and carries dust and tiny particle to through the dust conveying pipe in the dust collection box when milling.
The frame is also provided with an aggregate collecting system, the aggregate collecting system comprises an aggregate pot and an aggregate storage box, the aggregate pot is arranged at the rear part of the plane milling system and the step milling system, the aggregate storage box is arranged on the working platform, and the aggregate pot is used for collecting clean aggregate generated during milling operation of the plane milling system and the step milling system and conveying the aggregate into the aggregate storage box through a spiral feeder.
The semi-rigid anti-collision guardrail processing device comprises a polyurethane storage box, a proportioning device and a guardrail template, wherein aggregate is conveyed into the guardrail template by the aggregate storage box through a screw conveyor, and the polyurethane storage box is connected with the proportioning device and is injected with polyurethane in an aggregate gap in the guardrail template through a grouting pipe by a first injection gun.
The quick processing device of the curb is further arranged on the operation platform and comprises a mixer and a curb mold, dust and small particles are conveyed into the mixer through a conveying pipe by a spiral conveyer, polyurethane is injected into the mixer through a grouting pipe by the proportioning device through a second injection gun, and the mixer conveys the mixed mixture into the curb mold.
The vehicle frame is provided with a cab, a control system is arranged in the cab, and the control system consists of a remote controller, a transmitter, a control element, control software and an operation switch.
The invention has the beneficial effects that: the special milling machine for highway reconstruction and expansion is characterized in that a plane milling system and a step milling system are arranged on a frame of the special milling machine, a plane milling guide rail of the plane milling system is connected with the frame through a plane milling screw, and the height of the plane milling guide rail can be adjusted by driving the plane milling screw through a hydraulic pump, so that the adjustment of milling depth is realized; the plane milling vertical shaft can move along a plane milling chute in the plane milling guide rail, the hydraulic pump drives a plane milling vertical shaft gear on the plane milling vertical shaft to rotate, so that a plane milling cylinder at the lower end of the plane milling vertical shaft is driven to rotate to mill a road, meanwhile, the plane milling vertical shaft gear is meshed with the plane milling rack, the plane milling vertical shaft and the plane milling cylinder are driven to move along the length direction of the plane milling guide rail, and the milling operation from left to right or from right to left can be realized by changing the steering of the plane milling vertical shaft gear;
the step milling system comprises a plurality of step milling units, the structure and the working principle of each step milling unit are similar to those of the plane milling system, the hydraulic pump drives the step milling screw rod and the step milling vertical shaft gear to drive the step milling barrel to rotate and move so as to realize the step milling operation of each step milling unit, and each step milling unit can be independently operated or operated at the same time so as to realize one-time operation to finish the step milling according to construction requirements, thereby improving the construction efficiency;
before the step milling operation starts, the position of the step milling barrel in the step milling chute is adjusted through the meshing connection of the step milling vertical shaft gear and the step milling rack, so that the initial milling position of the step milling barrel is adjusted according to the width of the step to be milled, and the milling operation of steps with different widths is realized; if one step milling barrel is insufficient for milling a complete step width, the step milling barrels of the two step milling units can be adjusted to the same height through respective step milling screws, and milling operation on a step with large width by the two step milling units is realized by adjusting the positions of the two step milling barrels in respective step milling sliding grooves, so that the adaptability is high, and the efficiency of the step milling operation is greatly improved; the milling machine special for highway reconstruction and expansion has reasonable structure and large milling depth, can finish step milling operation with various widths at the same time, and effectively improves the construction efficiency.
Drawings
Fig. 1 is a schematic diagram of a milling machine for highway reconstruction and expansion according to the present invention.
Fig. 2 is a schematic structural diagram of a plane milling system of a milling machine special for highway reconstruction and expansion.
Fig. 3 is a schematic structural view of a step milling unit of the milling machine special for highway reconstruction and expansion.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, the special milling machine for highway reconstruction and expansion comprises a frame 5, wherein a tire 4 and an engine 7 are arranged on the frame 5, the engine 7 is connected with a gearbox 6, the gearbox 6 is connected with a transfer case 8, the transfer case 8 is connected with a hydraulic motor 9, and the hydraulic motor 9 is connected with a hydraulic pump 10;
the right end part of the frame 5 is provided with a plane milling system 22, the plane milling system 22 comprises a plane milling guide rail 44 and a plane milling barrel 15, one end of a plane milling screw 39 is connected with the frame 5, and the other end passes through the plane milling guide rail 44 and is in threaded connection with the plane milling guide rail; the plane milling guide rail 44 is provided with a plane milling chute 19 which is through up and down, a plane milling vertical shaft 16 is arranged in the plane milling chute 19 in a sliding manner, and the lower end of the plane milling vertical shaft 16 is connected with the plane milling cylinder 15; a plane milling rack 38 is arranged at the lower part of the plane milling guide rail 44, a plane milling vertical shaft gear 40 is arranged on the plane milling vertical shaft 16, and the plane milling vertical shaft gear 40 is meshed with the plane milling rack 38;
the middle part of the frame 5 is provided with a step milling system 29, the step milling system 29 comprises a plurality of step milling units 30, the step milling units 30 comprise step milling guide rails 27 and step milling barrels 28, one end of a step milling screw 41 is connected with the frame 5, and the other end passes through the step milling guide rails 27 and is in threaded connection with the step milling guide rails; the step milling guide rail 27 is provided with a step milling chute which is penetrated up and down, a step milling vertical shaft 31 is arranged in the step milling chute in a sliding manner, and the lower end of the step milling vertical shaft 31 is connected with the step milling barrel 28; a step milling rack 42 is arranged at the lower part of the step milling guide rail 27, a step milling vertical shaft gear 43 is arranged on the step milling vertical shaft 31, and the step milling vertical shaft gear 43 is meshed with the step milling rack 42.
The special milling machine for highway reconstruction and expansion is characterized in that a plane milling system 22 and a step milling system 29 are arranged on a frame 5 of the special milling machine, a plane milling guide rail 44 of the plane milling system 22 is connected with the frame 5 through a plane milling screw 39, and the height of the plane milling guide rail 44 can be adjusted by driving the plane milling screw 39 through a hydraulic pump 10, so that the adjustment of milling depth is realized; the plane milling vertical shaft 16 can move along the plane milling chute 19 in the plane milling guide rail 44, the hydraulic pump 10 drives the plane milling vertical shaft gear 40 on the plane milling vertical shaft 16 to rotate, so as to drive the plane milling cylinder 15 at the lower end of the plane milling vertical shaft 16 to rotate, and simultaneously, the plane milling vertical shaft gear 40 is meshed with the plane milling rack 38, so that the plane milling vertical shaft 16 and the plane milling cylinder 15 are driven to move along the length direction of the plane milling guide rail 44, and the milling operation from left to right or from right to left can be realized by changing the steering of the plane milling vertical shaft gear 40;
the step milling system 29 comprises a plurality of step milling units 30, the structure and the working principle of each step milling unit 30 are similar to those of the plane milling system 22, the hydraulic pump 10 drives the step milling screw 41 and the step milling vertical shaft gear 43 to drive the step milling drum 28 to rotate and move so as to realize the step milling operation of each step milling unit 30, and each step milling unit 30 can be independently operated or simultaneously operated so as to realize one-time operation to finish step milling according to construction requirements, thereby improving construction efficiency;
before the step milling operation starts, the position of the step milling drum 28 in the step milling sliding groove is adjusted through the meshing connection of the step milling vertical shaft gear 43 and the step milling toothed bar 42, so that the initial milling position of the step milling drum 28 is adjusted according to the width of the step to be milled, and the milling operation of steps with different widths is realized; if one step milling drum 28 is insufficient for milling a complete step width, the step milling drums 28 of the two step milling units 30 can be adjusted to the same height through respective step milling screws 41, and the milling operation of one step with large width by the two step milling units 30 is realized by adjusting the positions of the two step milling drums 28 in respective step milling sliding grooves, so that the adaptability is strong, and the efficiency of the step milling operation is greatly improved; the milling machine special for highway reconstruction and expansion has reasonable structure and large milling depth, can finish step milling operation with various widths at the same time, and effectively improves the construction efficiency.
Example 2
As shown in fig. 1-3, the special milling machine for highway reconstruction and expansion comprises a frame 5, wherein a tire 4 and an engine 7 are arranged on the frame 5, the engine 7 is connected with a gearbox 6, the gearbox 6 is connected with a transfer case 8, the transfer case 8 is connected with a hydraulic motor 9, and the hydraulic motor 9 is connected with a hydraulic pump 10;
the right end part of the frame 5 is provided with a plane milling system 22, the plane milling system 22 comprises a plane milling guide rail 44 and a plane milling barrel 15, one end of a plane milling screw 39 is connected with the frame 5, and the other end passes through the plane milling guide rail 44 and is in threaded connection with the plane milling guide rail; the plane milling guide rail 44 is provided with a plane milling chute 19 which is through up and down, a plane milling vertical shaft 16 is arranged in the plane milling chute 19 in a sliding manner, and the lower end of the plane milling vertical shaft 16 is connected with the plane milling cylinder 15; a plane milling rack 38 is arranged at the lower part of the plane milling guide rail 44, a plane milling vertical shaft gear 40 is arranged on the plane milling vertical shaft 16, and the plane milling vertical shaft gear 40 is meshed with the plane milling rack 38;
the middle part of the frame 5 is provided with a step milling system 29, the step milling system 29 comprises a plurality of step milling units 30, the step milling units 30 comprise step milling guide rails 27 and step milling barrels 28, one end of a step milling screw 41 is connected with the frame 5, and the other end passes through the step milling guide rails 27 and is in threaded connection with the step milling guide rails; the step milling guide rail 27 is provided with a step milling chute which is penetrated up and down, a step milling vertical shaft 31 is arranged in the step milling chute in a sliding manner, and the lower end of the step milling vertical shaft 31 is connected with the step milling barrel 28; a step milling rack 42 is arranged at the lower part of the step milling guide rail 27, a step milling vertical shaft gear 43 is arranged on the step milling vertical shaft 31, and the step milling vertical shaft gear 43 is meshed with the step milling rack 42.
The engine 7, the gearbox 6, the transfer case 8, the hydraulic motor 9 and the hydraulic pump 10 form a power system of the milling machine special for highway reconstruction and expansion, mechanical power and hydraulic power are provided for other systems and devices, in addition, the hydraulic motor 9, the hydraulic pump 10, a hydraulic pipe, a hydraulic valve and the like in the power system form a hydraulic system of the milling machine special for highway reconstruction and expansion, and hydraulic power is provided for other systems and devices; the differential mechanism, the driving axle, the tires 4, the frame 5 and the like form a running system of the milling machine special for highway reconstruction and expansion, and the power of the engine 7 enters the transfer case 8 after passing through the gearbox 6, and the transfer case 8 drives the differential mechanism and the driving axle to run.
The special milling machine for highway reconstruction and expansion is characterized in that a plane milling system 22 and a step milling system 29 are arranged on a frame 5 of the special milling machine, a plane milling guide rail 44 of the plane milling system 22 is connected with the frame 5 through a plane milling screw 39, and the height of the plane milling guide rail 44 can be adjusted by driving the plane milling screw 39 through a hydraulic pump 10, so that the adjustment of milling depth is realized; the plane milling vertical shaft 16 can move along the plane milling chute 19 in the plane milling guide rail 44, the hydraulic pump 10 drives the plane milling vertical shaft gear 40 on the plane milling vertical shaft 16 to rotate, so as to drive the plane milling cylinder 15 at the lower end of the plane milling vertical shaft 16 to rotate, and simultaneously, the plane milling vertical shaft gear 40 is meshed with the plane milling rack 38, so that the plane milling vertical shaft 16 and the plane milling cylinder 15 are driven to move along the length direction of the plane milling guide rail 44, and the milling operation from left to right or from right to left can be realized by changing the steering of the plane milling vertical shaft gear 40;
the step milling system 29 comprises a plurality of step milling units 30, the structure and the working principle of each step milling unit 30 are similar to those of the plane milling system 22, the hydraulic pump 10 drives the step milling screw 41 and the step milling vertical shaft gear 43 to drive the step milling drum 28 to rotate and move so as to realize the step milling operation of each step milling unit 30, and each step milling unit 30 can be independently operated or simultaneously operated so as to realize one-time operation to finish step milling according to construction requirements, thereby improving construction efficiency;
before the step milling operation starts, the position of the step milling drum 28 in the step milling sliding groove is adjusted through the meshing connection of the step milling vertical shaft gear 43 and the step milling toothed bar 42, so that the initial milling position of the step milling drum 28 is adjusted according to the width of the step to be milled, and the milling operation of steps with different widths is realized; if one step milling drum 28 is insufficient for milling a complete step width, the step milling drums 28 of the two step milling units 30 can be adjusted to the same height through respective step milling screws 41, and the milling operation of one step with large width by the two step milling units 30 is realized by adjusting the positions of the two step milling drums 28 in respective step milling sliding grooves, so that the adaptability is strong, and the efficiency of the step milling operation is greatly improved; the milling machine special for highway reconstruction and expansion has reasonable structure and large milling depth, can finish step milling operation with various widths at the same time, and effectively improves the construction efficiency.
The step milling system 29 can be composed of six sets of step milling units 30, and the six sets of step milling units 30 are staggered and distributed on the right side of the whole machine front and back, so that six steps can be milled at most at one time; when the hydraulic pump 10 drives the step milling vertical shaft gear 43 to drive the step milling drum 28 to rotate for milling operation, the whole machine moves forward to drive the step milling system 29 to move forward, the step milling system 29 and the plane milling system 22 can work independently or simultaneously, and the step milling system can mill asphalt surface layers, cement stabilized macadam base layers, subbase layers and cement concrete pavements, and 1-6 steps can be milled simultaneously according to construction requirements; six steps can be milled at a time when the six step milling units 30 are all operated; when five steps are milled, one step milling unit 30 at the leftmost side is suspended, and the five step milling units 30 at the right side work; when 4 steps are milled, the left 2 step milling units 30 are suspended, and the right 4 step milling units 30 work; when milling 3 steps, the left 3 step milling units 30 are suspended, and the right 3 step milling units 30 work; when milling 2 steps, the left 4 step milling units 30 are suspended, and the right 2 step milling units 30 work; when 1 step is milled, the 5 step milling units 30 on the left side are suspended, and the 1 step milling unit 30 on the right side works.
For better effect, the plane milling guide rail 44 comprises a middle section guide rail 21 and side section guide rails 12 arranged on two sides of the middle section guide rail, a hinge shaft gear 13 is arranged on the side section guide rails 12, a steering gear 14 is arranged on the frame 5, and the steering gear 14 is meshed with the hinge shaft gear 13; the hydraulic pump 10 can drive the steering gear 14 to rotate and drive the hinge shaft gear 13 to rotate so as to enable the side joint guide rails 12 on two sides of the middle joint guide rail 21 to rotate to fold or unfold, thereby effectively improving the working length of the whole plane milling guide rail 44 and improving the efficiency of plane milling operation.
For better effect, the plane milling cylinder 15 and the step milling cylinder 28 are both provided with cutter heads 17, and the cutter heads 17 are detachable cutter heads, so that the cutter heads 17 are convenient to replace according to actual working conditions, and the adaptability and the working efficiency of the cutter heads are improved.
For better effect, the frame 5 is further provided with a cooling system, the cooling system comprises an air compressor 11 and an air tap 23, the air tap 23 is arranged in the working range of the plane milling drum 15 and the step milling drum 28, the air compressor 11 is connected with the air tap 23 through an air pipe, and the air tap 23 sprays high-pressure air to the plane milling drum 15 and/or the step milling drum 28 when milling is performed; the milling drum and the cutter head thereof which are in operation can be cooled by spraying high-pressure air, and meanwhile, the cutter head and aggregate can be cleaned, so that dust and sundries between the cutter head and a gap of the milling drum are removed; and spraying high-pressure air to the milled mixture (the aggregate and the dust), separating the aggregate from the dust, and blowing off the dust adhered on the aggregate.
For better effect, still be provided with dust collecting system on the frame 5, dust collecting system includes dust catcher 25, suction nozzle 24 and dust collection box 32, dust catcher 25 set up in on the frame 5, suction nozzle 24 set up in plane mill planing drum 15 with the step mill planing drum 28's within range, the rear portion of frame 5 is provided with operation platform 37, dust collection box 32 set up in on the operation platform 37, dust catcher 25 through the dust absorption pipe with suction nozzle 24 is connected, dust catcher 25 is in plane mill planing drum 15 and/or step mill planing drum 28 is when milling planing through suction nozzle 24 absorbs dust and tiny particle and carries dust and tiny particle through the dust pipe into in the dust collection box 32.
For better effect, the frame 5 is further provided with an aggregate collecting system, the aggregate collecting system comprises an aggregate bowl 20 and an aggregate storage tank 3, the aggregate bowl 20 is arranged at the rear parts of the plane milling system 22 and the step milling system 29, the aggregate storage tank 3 is arranged on the working platform 37, and the aggregate bowl 20 collects clean aggregate generated during milling operation of the plane milling system 22 and the step milling system 29 and conveys the aggregate into the aggregate storage tank 3 through a screw conveyer.
For better effect, the working platform 37 is further provided with a semi-rigid crash barrier processing device, the semi-rigid crash barrier processing device comprises a polyurethane storage box 2, a proportioning device 35 and a barrier template 1, the aggregate storage box 3 conveys aggregate into the barrier template 1 through a screw conveyer, and the polyurethane storage box 2 is connected with the proportioning device 35 and injects polyurethane into an aggregate gap in the barrier template 1 through a grouting pipe by a first injection gun 36.
The semi-rigid anti-collision guardrail takes milled aggregate as a main body framework, and gaps are filled by double-component polyurethane high polymer materials to form a high polymer concrete guardrail; the strength of the high molecular concrete guardrail is close to that of the cement concrete guardrail (rigid guardrail) and is far higher than that of the flexible guardrail, the rigidity of the high molecular concrete guardrail is smaller than that of the cement concrete guardrail (rigid guardrail), the guardrail has certain deformation when impacted, can absorb most of impact energy, has small damage to vehicles compared with the cement concrete guardrail (rigid guardrail), but has better protection capability than that of the flexible guardrail, and is an ideal guardrail structure; as the two-component polyurethane polymer material is fixedly formed within two minutes, the strength is formed within 10 minutes, the processing speed of the semi-rigid crash barrier is very high, the construction can be circularly performed by only two sets of dies, and the required operation space is small.
The working principle and construction process of the semi-rigid anti-collision guardrail processing device are as follows:
firstly, binding reinforcing steel bars;
secondly, fixing a guardrail template 1, installing a grouting pipe and punching ventilation holes in the template;
thirdly, filling aggregate into the guardrail template 1 from the aggregate storage box 3 through a screw feeder.
Fourth, the proportioning device 35 is opened, and polyurethane is injected into the aggregate gap in the guardrail template 1 through the grouting pipe by the first injection gun 36.
Fifth step: the mold was removed 5-10 minutes after injection was completed.
For better effect, the operation platform 37 is further provided with a rapid processing device for the curb, the rapid processing device for the curb comprises a mixer 33 and a curb mold 34, the dust box 32 conveys dust and small particles into the mixer 33 through a conveying pipe by a screw conveyer, the proportioner 35 injects polyurethane into the mixer 33 through a grouting pipe by a second injection gun 45, and the mixer 33 conveys the mixed mixture into the curb mold 34.
The working principle of the rapid kerbstone processing device is as follows: the dust and small particles in the dust box 32 are conveyed into the mixer 33 through a conveying pipe by a spiral conveyer, and then the double-component polyurethane polymer material is injected into the mixer 33 by a second injection gun 45 according to a set dosage by a proportioning instrument 35; the dust, the small particles and the polyurethane are mixed to form polymer mortar, and then the polymer mortar is poured into the curb mold 34, and the mold is removed after 5-10 minutes.
Because the molecular mortar material is solidified and formed within two minutes, the strength is formed within 10 minutes, the processing speed of the curb is very high, the cyclic construction can be realized by only 2-3 sets of dies, and the required operation space is small.
In order to achieve better effects, the frame 5 is provided with a cab 26, a control system 18 is arranged in the cab 26, the control system 18 is composed of a remote controller, a transmitter, a control element, control software and an operation switch, milling speed, milling width, milling depth, step height, step width, dust absorption force, cooling air pressure and the like can be controlled through the control system 18, and when the whole machine works, a manual operation mode of a driver in the vehicle can be adopted, and remote control operation can be carried out by using the remote controller so as to conveniently control and operate the special milling machine for highway reconstruction and expansion.
Claims (9)
1. The special milling machine for highway reconstruction and expansion comprises a frame (5), and is characterized in that: the vehicle frame (5) is provided with a tire (4) and an engine (7), the engine (7) is connected with a gearbox (6), the gearbox (6) is connected with a transfer case (8), the transfer case (8) is connected with a hydraulic motor (9), and the hydraulic motor (9) is connected with a hydraulic pump (10);
the right end part of the frame (5) is provided with a plane milling system (22), the plane milling system (22) comprises a plane milling guide rail (44) and a plane milling cylinder (15), one end of a plane milling screw (39) is connected with the frame (5), and the other end of the plane milling screw passes through the plane milling guide rail (44) and is in threaded connection with the plane milling guide rail; a plane milling chute (19) which is through up and down is arranged on the plane milling guide rail (44), a plane milling vertical shaft (16) is arranged in the plane milling chute (19) in a sliding manner, and the lower end of the plane milling vertical shaft (16) is connected with the plane milling cylinder (15); a plane milling rack (38) is arranged at the lower part of the plane milling guide rail (44), a plane milling vertical shaft gear (40) is arranged on the plane milling vertical shaft (16), and the plane milling vertical shaft gear (40) is meshed with the plane milling rack (38);
the middle part of the frame (5) is provided with a step milling system (29), the step milling system (29) comprises a plurality of step milling units (30), each step milling unit (30) comprises a step milling guide rail (27) and a step milling cylinder (28), one end of a step milling screw (41) is connected with the frame (5), and the other end of the step milling screw passes through the step milling guide rail (27) and is in threaded connection with the step milling guide rail; a step milling sliding groove which penetrates up and down is formed in the step milling guide rail (27), a step milling vertical shaft (31) is arranged in the step milling sliding groove in a sliding mode, and the lower end of the step milling vertical shaft (31) is connected with the step milling barrel (28); the lower part of the step milling guide rail (27) is provided with a step milling rack (42), the step milling vertical shaft (31) is provided with a step milling vertical shaft gear (43), and the step milling vertical shaft gear (43) is meshed with the step milling rack (42).
2. The special milling machine for highway reconstruction and expansion as set forth in claim 1, wherein: the plane milling guide rail (44) comprises a middle section guide rail (21) and side section guide rails (12) arranged on two sides of the middle section guide rail, a hinge shaft gear (13) is arranged on the side section guide rail (12), a steering gear (14) is arranged on the frame (5), and the steering gear (14) is meshed with the hinge shaft gear (13).
3. The special milling machine for highway reconstruction and expansion as set forth in claim 1, wherein: the plane milling barrel (15) and the step milling barrel (28) are both provided with a cutter head (17), and the cutter head (17) is a detachable cutter head.
4. The special milling machine for highway reconstruction and expansion as set forth in claim 1, wherein: the frame (5) is further provided with a cooling system, the cooling system comprises an air compressor (11) and an air tap (23), the air tap (23) is arranged in the working range of the plane milling drum (15) and the step milling drum (28), the air compressor (11) is connected with the air tap (23) through an air pipe, and the air tap (23) sprays high-pressure air to the plane milling drum (15) and/or the step milling drum (28) during milling.
5. The special milling machine for highway reconstruction and expansion as set forth in claim 1, wherein: still be provided with dust collecting system on frame (5), dust collecting system includes dust catcher (25), suction nozzle (24) and dust collection box (32), dust catcher (25) set up in on frame (5), suction nozzle (24) set up in plane mill plane section of thick bamboo (15) with in the working range of step mill section of thick bamboo (28), the rear portion of frame (5) is provided with operation platform (37), dust collection box (32) set up in on operation platform (37), dust catcher (25) through the dust absorption pipe with suction nozzle (24) are connected, dust catcher (25) are in plane mill section of thick bamboo (15) and/or step mill section of thick bamboo (28) are through suction nozzle (24) absorb dust and tiny particle and carry dust and tiny particle through the dust pipe into in dust collection box (32).
6. The special milling machine for highway reconstruction and expansion as set forth in claim 5, wherein: the frame (5) is further provided with an aggregate collecting system, the aggregate collecting system comprises an aggregate bowl (20) and an aggregate storage box (3), the aggregate bowl (20) is arranged at the rear part of the plane milling system (22) and the step milling system (29), the aggregate storage box (3) is arranged on the working platform (37), the aggregate bowl (20) is used for collecting clean aggregate generated during milling of the plane milling system (22) and the step milling system (29) and conveying the aggregate to the aggregate storage box (3) through a screw conveyer.
7. The special milling machine for highway reconstruction and expansion as set forth in claim 6, wherein: the semi-rigid anti-collision guardrail processing device is further arranged on the operation platform (37), the semi-rigid anti-collision guardrail processing device comprises a polyurethane storage box (2), a proportioning device (35) and a guardrail template (1), aggregate is conveyed into the guardrail template (1) through a screw feeder by the aggregate storage box (3), and the polyurethane storage box (2) is connected with the proportioning device (35) and is injected with polyurethane into an aggregate gap in the guardrail template (1) through a grouting pipe by a first injection gun (36).
8. The special milling machine for highway reconstruction and expansion as set forth in claim 7, wherein: the rapid processing device for the curb is further arranged on the working platform (37), the rapid processing device for the curb comprises a mixer (33) and a curb mold (34), dust and small particles are conveyed into the mixer (33) through a conveying pipe by a dust collection box (32) through a spiral conveyer, polyurethane is injected into the mixer (33) through a grouting pipe by a proportioning instrument (35) through a second injection gun (45), and the mixer (33) conveys the mixed mixture into the curb mold (34).
9. The special milling machine for highway reconstruction and expansion as set forth in claim 1, wherein: the vehicle frame (5) is provided with a cab (26), a control system (18) is arranged in the cab (26), and the control system (18) consists of a remote controller, a transmitter, a control element, control software and an operation switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210099018.6A CN114703728B (en) | 2022-01-27 | 2022-01-27 | Milling machine special for highway reconstruction and expansion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210099018.6A CN114703728B (en) | 2022-01-27 | 2022-01-27 | Milling machine special for highway reconstruction and expansion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114703728A CN114703728A (en) | 2022-07-05 |
| CN114703728B true CN114703728B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210099018.6A Active CN114703728B (en) | 2022-01-27 | 2022-01-27 | Milling machine special for highway reconstruction and expansion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114703728B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117431814B (en) * | 2023-10-10 | 2024-07-12 | 保利长大工程有限公司 | Step milling hub and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008015431A1 (en) * | 2007-04-05 | 2008-10-09 | Dynapac Gmbh | road milling machine |
| CN201901838U (en) * | 2010-12-13 | 2011-07-20 | 芜湖山猫工程机械有限责任公司 | Planer for road surface maintenance |
| CN102409589A (en) * | 2011-08-23 | 2012-04-11 | 河南省交通规划勘察设计院有限责任公司 | Construction method for joining new and old pavements in road widening project |
| CN104099858A (en) * | 2013-04-09 | 2014-10-15 | 宝马格有限公司 | Ground milling machine with optimized-field-of-view tail, especially road cold milling machine |
| CN105113446A (en) * | 2015-09-22 | 2015-12-02 | 安徽省公路桥梁工程有限公司 | Milling-planing step sweeper |
-
2022
- 2022-01-27 CN CN202210099018.6A patent/CN114703728B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008015431A1 (en) * | 2007-04-05 | 2008-10-09 | Dynapac Gmbh | road milling machine |
| CN201901838U (en) * | 2010-12-13 | 2011-07-20 | 芜湖山猫工程机械有限责任公司 | Planer for road surface maintenance |
| CN102409589A (en) * | 2011-08-23 | 2012-04-11 | 河南省交通规划勘察设计院有限责任公司 | Construction method for joining new and old pavements in road widening project |
| CN104099858A (en) * | 2013-04-09 | 2014-10-15 | 宝马格有限公司 | Ground milling machine with optimized-field-of-view tail, especially road cold milling machine |
| CN105113446A (en) * | 2015-09-22 | 2015-12-02 | 安徽省公路桥梁工程有限公司 | Milling-planing step sweeper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114703728A (en) | 2022-07-05 |
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