CN119145275B - Road construction device and construction method thereof - Google Patents

Road construction device and construction method thereof Download PDF

Info

Publication number
CN119145275B
CN119145275B CN202411663948.5A CN202411663948A CN119145275B CN 119145275 B CN119145275 B CN 119145275B CN 202411663948 A CN202411663948 A CN 202411663948A CN 119145275 B CN119145275 B CN 119145275B
Authority
CN
China
Prior art keywords
frame
gap
rotating shaft
inner cavity
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202411663948.5A
Other languages
Chinese (zh)
Other versions
CN119145275A (en
Inventor
周巍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin Province North And South Construction Engineering Co ltd
Original Assignee
Jilin Province North And South Construction Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jilin Province North And South Construction Engineering Co ltd filed Critical Jilin Province North And South Construction Engineering Co ltd
Priority to CN202411663948.5A priority Critical patent/CN119145275B/en
Publication of CN119145275A publication Critical patent/CN119145275A/en
Application granted granted Critical
Publication of CN119145275B publication Critical patent/CN119145275B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/09Devices 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 forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
    • E01C23/096Devices 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 forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating and filling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • Road Repair (AREA)

Abstract

The invention provides a road construction device and a construction method thereof, and belongs to the technical field of road construction. This road construction equipment includes frame, charging bucket and crack filling mechanism, and wheel and universal wheel are installed to frame bottom symmetry, and the charging bucket is installed on the frame surface for deposit pitch, crack filling mechanism installs on the frame surface, be arranged in with pitch filling seam, crack filling mechanism includes drawing liquid pump, feed cylinder, telescopic link and shower nozzle, and the drawing liquid pump is installed on the frame surface, and drawing liquid pump feed end switches on with the charging bucket, and the feed cylinder is installed on the frame surface. According to the invention, the guide wheel is placed in the gap by arranging the gap filling mechanism, the guide wheel deflects along with the path of the gap, so that the direction of the frame is automatically adjusted, the gap detection block is inserted into the gap, and when the gap is deeper in the moving process of the frame, the gap detection block and the telescopic rod move downwards, and the number of through grooves communicated with the material dividing grooves is increased, so that the jet flow of the spray head is improved, the gap is ensured to be fully filled, and the gap filling quality is improved.

Description

Road construction device and construction method thereof
Technical Field
The invention relates to the technical field of road construction, in particular to a road construction device and a construction method thereof.
Background
The road construction is a complex and comprehensive engineering process, and relates to various stages from planning, design to construction and maintenance, after the road is used for a long time, the road surface is cracked due to reasons such as temperature change, traffic load and road surface aging, the crack can be timely repaired to prevent the crack from expanding, the service life of the road surface is prolonged, hot asphalt or other sealing materials can be filled into the crack by using a crack filling machine to form a sealing layer, and water and impurities can be effectively prevented from entering the crack, so that the crack is prevented from being further damaged by low temperature or vehicle load in winter.
When the existing crack pouring machine is used, asphalt needs to be sprayed into cracks by a handheld spray gun, but the depths of the cracks are different, and the spraying flow cannot be adjusted according to the actual conditions of the cracks, so that the crack pouring quality cannot be guaranteed.
Disclosure of Invention
In order to overcome the above disadvantages, the present invention provides a road construction apparatus and a construction method thereof that overcome or at least partially solve the above problems.
The invention is realized in the following way:
the invention provides a road construction device, which comprises a frame, a charging bucket and a joint filling mechanism, wherein wheels and universal wheels are symmetrically arranged at the bottom of the frame, the charging bucket is arranged on the surface of the frame and is used for storing asphalt, the joint filling mechanism is arranged on the surface of the frame and is used for filling asphalt into joints, and the joint filling mechanism comprises:
the liquid suction pump is arranged on the surface of the frame, and the liquid inlet end of the liquid suction pump is communicated with the charging bucket;
The charging barrel is arranged on the surface of the frame, a material dividing groove is formed in the inner cavity of the charging barrel, and the liquid outlet end of the liquid extracting pump is communicated with the material dividing groove;
The telescopic rod is slidably arranged in the inner cavity of the charging barrel, and a plurality of through grooves are formed in the side wall of the telescopic rod;
The spray head is arranged at the bottom of the telescopic rod and used for spraying asphalt into the gap.
In a preferred scheme, first spring is installed to the feed cylinder inner chamber, first spring one end and feed cylinder fixed connection, first spring other end and telescopic link fixed connection for the drive telescopic link moves down, the cavity has been seted up to the telescopic link inner chamber, a plurality of lead to the groove all with the cavity switch on, the shower nozzle switches on with the cavity mutually.
In a preferred scheme, the telescopic link bottom rotates and installs the connecting seat, connecting seat bottom fixed mounting has the joint detection piece for insert in the gap, the telescopic link surface sliding sleeve has sealed frame, frame bottom symmetry fixed mounting has the guide arm, sealed frame and guide arm sliding connection, the guide arm surface sleeve has the second spring, second spring one end and frame fixed connection, the second spring other end and sealed frame fixed connection for drive sealed frame moves down.
In a preferred scheme, the leading wheel is installed to the frame bottom, the first pivot is installed in the rotation of material jar inner chamber, the grinding roller is installed in first pivot lateral wall symmetry rotation, the filter is installed to the material jar inner chamber, grinding roller one end fixed mounting has first gear, material jar inner chamber fixed mounting has the ring gear, first gear meshes with the ring gear, first pivot lateral wall symmetry fixed mounting has the stirring pole, material jar lateral wall fixed mounting has the motor, the belt pulley is all installed to motor output and first pivot one end, is connected with the belt between two belt pulleys.
In a preferred scheme, frame surface mounting has clearance mechanism for clear up the dust on gap surface, clearance mechanism includes second pivot, cleaning disc and brush hair, the second pivot is rotated and is installed on the frame surface, second pivot inner chamber slidable mounting has the minor axis, minor axis surface mounting has spline tooth, spline groove has been seted up to the second pivot inner chamber, spline tooth meshes with spline groove, second pivot inner chamber fixed mounting has the third spring, third spring one end and minor axis fixed connection, minor axis bottom fixed mounting has cleaning disc, cleaning disc bottom installs the brush hair.
In a preferred scheme, the bottom of the frame is symmetrically provided with a gas cylinder, a piston is slidably arranged in the cavity of the gas cylinder, a connecting rod is fixedly arranged on the surface of the piston, and a driving frame is fixedly arranged at the other end of the connecting rod.
In a preferred scheme, a rotating wheel is fixedly arranged at one end of the first rotating shaft, an eccentric shaft is fixedly arranged on the surface of the rotating wheel, the eccentric shaft is inserted into the inner cavity of the driving frame, a first one-way valve and a second one-way valve are arranged on the side wall of the gas cylinder, a spray pipe is fixedly arranged on the side wall of the sealing frame, an air pipe is communicated between the second one-way valve and the spray pipe, and a plurality of spray holes are formed in the side wall of the spray pipe.
In a preferred scheme, frame surface mounting has collection useless mechanism for collect unnecessary pitch waste material, collection useless mechanism includes collection tube, linking frame and scraper blade, the collection tube is installed in the frame bottom, collection tube lateral wall fixed mounting has the linking frame, linking frame inner chamber slidable mounting has the scraper blade, linking frame inner chamber fixed mounting has the fourth spring, fourth spring one end and scraper blade fixed connection for drive scraper blade moves outward, collection tube inner chamber rotation is installed the third pivot, third pivot surface symmetry fixed mounting has the scraper blade, two fixed mounting has the transmission shaft between the wheel, equal fixed mounting in transmission shaft and third pivot surface has the belt pulley, is connected with the belt between two belt pulleys.
In a preferred scheme, the collecting box is installed to the collecting cylinder lateral wall, set up the feed inlet between collecting box and the collecting cylinder, frame bottom fixed mounting has the collection useless case, the intercommunication has the trachea between collection useless case and the first check valve, the third check valve is installed to collection useless case bottom, the intercommunication has the water pipe between third check valve and the collecting box.
The road construction method is suitable for the road construction device and comprises the following steps:
The cleaning device comprises a motor, a first one-way valve, a second one-way valve, a cleaning disc, a brush hair, a rotary wheel, a rotary shaft, a spray pipe, a dust removing device and a dust removing device, wherein the motor drives the first rotary shaft to rotate, the cleaning disc and the brush hair can be driven to clean the ground, and the rotary wheel is driven to synchronously rotate at the same time;
S2, pouring a gap, namely placing a guide wheel into the gap, deflecting the guide wheel along with the path of the gap, automatically adjusting the direction of a frame, inserting a gap detection block into the gap, enabling the gap detection block to always contact with the bottom of the gap under the action of a first spring in the moving process of the frame, and enabling the gap detection block and a telescopic rod to move downwards when the gap is deeper, so that the number of through grooves communicated with a distributing groove is increased, the jet flow of a jet head is improved, and the gap is ensured to be fully filled;
S3, waste removal, wherein overflowed asphalt can be scraped into the collecting cylinder through the scraping plate, when the frame moves forwards, the scraping plate can be driven to rotate synchronously through the transmission shaft, asphalt in the collecting cylinder is scraped to the feed inlet and enters the collecting box to be collected, when the rotating wheel rotates, the waste collecting box can be vacuumized through the first one-way valve, and asphalt in the collecting box is sucked into the waste collecting box through the third one-way valve to be collected in a concentrated mode.
The invention provides a road construction device and a construction method thereof, which have the beneficial effects that:
1. Through setting up the crack filling mechanism, put into the gap with the leading wheel, the leading wheel will deflect along with the route of gap to carry out automatically regulated to the direction of frame, and will visit the seam piece and insert in the gap, the in-process that the frame removed, when the gap was darker, visit seam piece and telescopic link and move down, the quantity of logical groove that switches on with dividing the silo increases, thereby improved the jet flow of shower nozzle, ensure that the gap is fully filled, improve crack filling quality.
2. Simultaneously, the first rotating shaft drives the rotating wheel to synchronously rotate, so that the driving frame drives the piston to reciprocate through the eccentric shaft driving, the first one-way valve and the second one-way valve are alternately conducted, air is injected into the spray pipe, sprayed out from the spray hole to the road surface, dust is removed further, and the pouring quality is guaranteed.
3. Through setting up the collection useless mechanism, can scrape the pitch that overflows into the collection section of thick bamboo through the scraper blade, when the frame moved forward, can drive the third pivot through the transmission shaft and scrape the flitch synchronous rotation to the feed inlet with the pitch in the collection section of thick bamboo to collect in the collection box, the runner rotates, can inhale the vacuum to collection useless case through first check valve, and concentrate in the collection useless case of collection is inhaled to pitch in the collection box through the third check valve, facilitate the use, avoid the pitch pollution road surface that overflows.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art;
FIG. 1 is a front perspective view provided by an embodiment of the present invention;
FIG. 2 is a side perspective view of an embodiment of the present invention;
FIG. 3 is a rear perspective view of an embodiment of the present invention;
FIG. 4 is a bottom perspective view of an embodiment of the present invention;
FIG. 5 is a side cross-sectional view provided by an embodiment of the present invention;
FIG. 6 is an enlarged view of FIG. 5A according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a second shaft according to an embodiment of the present invention;
FIG. 8 is a side cross-sectional view of a collection canister provided in accordance with an embodiment of the invention;
FIG. 9 is an enlarged view of FIG. 8B according to an embodiment of the present invention;
In the figure, 1, a frame; 2, wheels, 3, universal wheels, 4, guide wheels, 5, charging bucket, 6, joint filling mechanism, 601, liquid pump, 602, charging bucket, 603, telescopic rod, 604, first spring, 605, dividing bucket, 606, through slot, 607, cavity, 608, spray head, 609, connecting seat, 610, joint detecting block, 611, sealing frame, 612, guide rod, 613, second spring, 7, first rotating shaft, 8, grinding roller, 9, filter plate, 10, first gear, 11, gear ring, 12, turning rod, 13, motor, 14, cleaning mechanism, 1401, second rotating shaft, 1402, short shaft, 1403, spline teeth, 1404, spline slot, 1405, third spring, 1406, cleaning disk, 1407, brush hair 1408, collecting tank, 1409, piston, 1410, connecting rod, 1411, driving frame, rotating wheel, 1413, eccentric shaft 1414, first one-way valve, 1415, second one-way valve, 6, spray pipe, 7, spray hole, 15, collecting mechanism, 1502, collecting tank, scraper blade, 15035, third rotating shaft, 15035, 1509, third rotating shaft, 15053, 1505, fourth rotating shaft, 1509, third rotating shaft, 15035, fourth rotating shaft, 1509, third rotating shaft, 1503, fourth rotating shaft, third rotating shaft, 1509, third rotating shaft, 1403, collecting tank.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Referring to fig. 1-9, the invention provides a technical scheme, the road construction device comprises a frame 1, a charging bucket 5 and a joint filling mechanism 6, wherein wheels 2 and universal wheels 3 are symmetrically arranged at the bottom of the frame 1, a guide wheel 4 is arranged at the bottom of the frame 1, when the road construction device is used, the guide wheel 4 is placed into a joint, the guide wheel 4 deflects along with the path of the joint, so that the direction of the frame 1 is automatically regulated, the charging bucket 5 is arranged on the surface of the frame 1 and is used for storing asphalt, the joint filling mechanism 6 is arranged on the surface of the frame 1 and is used for filling asphalt into the joint, the joint filling mechanism 6 comprises a liquid suction pump 601, a charging bucket 602, a telescopic rod 603 and a spray head 608, the liquid suction pump 601 is arranged on the surface of the frame 1, the liquid suction pump 601 is communicated with the charging bucket 5 and is used for drawing asphalt, the charging bucket 602 is arranged on the surface of the frame 1, a distribution groove 605 is arranged in the inner cavity of the charging bucket 602, the liquid outlet end of the liquid suction pump 601 is communicated with the distribution groove 605, the telescopic rod 603 is slidingly arranged in the inner cavity 602, and a plurality of through grooves 606 are formed in the side walls of the telescopic rod 603.
Referring to fig. 1-6, in a preferred embodiment, a first spring 604 is installed in an inner cavity of a charging barrel 602, one end of the first spring 604 is fixedly connected with the charging barrel 602, the other end of the first spring 604 is fixedly connected with a telescopic rod 603 and is used for driving the telescopic rod 603 to move downwards, a cavity 607 is formed in the inner cavity of the telescopic rod 603, a plurality of through grooves 606 are communicated with the cavity 607, a spray head 608 is installed at the bottom of the telescopic rod 603 and is used for spraying asphalt into a gap, the spray head 608 is communicated with the cavity 607, the asphalt in a charging bucket 5 can be pumped into a distributing groove 605 through a liquid pump 601 and enters the cavity 607 through the through grooves 606, and finally the asphalt is sprayed out from the spray head 608 to the surface of the gap for pouring.
Referring to fig. 1-8, in a preferred embodiment, a connecting seat 609 is rotatably installed at the bottom of the telescopic rod 603, a seam detecting block 610 is fixedly installed at the bottom of the connecting seat 609 and is used for being inserted into a seam to measure the depth of the seam, in the moving process of the frame 1, under the action of a first spring 604, the seam detecting block 610 is always contacted with the bottom of the seam, when the seam is deeper, the seam detecting block 610 and the telescopic rod 603 move downwards, the number of through grooves 606 communicated with the dividing groove 605 is increased, so that the spraying flow rate of the spray head 608 is improved, the seam is ensured to be fully filled, the pouring quality is improved, a sealing frame 611 is sleeved on the surface of the telescopic rod 603, a guide rod 612 is symmetrically and fixedly installed at the bottom of the frame 1, the sealing frame 611 is in sliding connection with the guide rod 612, a second spring 613 is sleeved on the surface of the guide rod 612, one end of the second spring 613 is fixedly connected with the frame 1, and the other end of the second spring 613 is fixedly connected with the sealing frame 611 and is used for driving the sealing frame 611 to move downwards, so that the sealing frame 611 is always covered on the ground, and asphalt splashing is limited, and asphalt can be accurately injected into the seam.
In a preferred embodiment, when the guide wheel 4 is placed in the gap, the guide wheel 4 deflects along the path of the gap, so that the direction of the frame 1 is automatically adjusted, the gap detection block 610 is inserted into the gap, the gap detection block 610 always contacts with the bottom of the gap under the action of the first spring 604 in the moving process of the frame 1, and when the gap is deeper, the gap detection block 610 and the telescopic rod 603 move downwards, and the number of through grooves 606 communicated with the material distribution groove 605 is increased, so that the spraying flow rate of the spray head 608 is improved, the gap is fully filled, and the gap filling quality is improved.
Referring to fig. 1-9, in a preferred embodiment, a first rotating shaft 7 is rotatably installed in an inner cavity of a charging bucket 5, grinding rollers 8 are symmetrically rotatably installed on side walls of the first rotating shaft 7 and used for grinding unmelted impurities in asphalt, a filter plate 9 is installed in an inner cavity of the charging bucket 5 and used for filtering impurities, a first gear 10 is fixedly installed at one end of the grinding rollers 8, a gear ring 11 is fixedly installed in an inner cavity of the charging bucket 5, the first gear 10 is meshed with the gear ring 11, when the first rotating shaft 7 drives the grinding rollers 8 to rotate, the grinding rollers 8 can be driven to rotate through the gear ring 11 and the first gear 10, grinding efficiency is improved, turning rods 12 are symmetrically and fixedly installed on side walls of the first rotating shaft 7 and used for turning the ground impurities, a motor 13 is fixedly installed on side walls of the charging bucket 5, belt pulleys are installed at an output end of the motor 13 and one end of the first rotating shaft 7, and a belt is connected between the two belt pulleys.
Referring to fig. 1-8, in a preferred embodiment, a cleaning mechanism 14 is installed on the surface of a frame 1 and is used for cleaning dust on the surface of a gap, so as to improve the adhesive strength between asphalt and a road surface, the cleaning mechanism 14 includes a second rotating shaft 1401, a cleaning disc 1406 and bristles 1407, the second rotating shaft 1401 is rotatably installed on the surface of the frame 1, the second rotating shaft 1401 and the first rotating shaft 7 are connected through a belt pulley and a belt, a short shaft 1402 is slidably installed in an inner cavity of the second rotating shaft 1401, spline teeth 1403 are installed on the surface of the short shaft 1402, spline grooves 1404 are formed in an inner cavity of the second rotating shaft 1401, the spline teeth 1403 are meshed with the spline grooves 1404, a third spring 1405 is fixedly installed in an inner cavity of the second rotating shaft 1401, one end of the third spring 1405 is fixedly connected with the short shaft 1402, cleaning disc 1406 is fixedly installed at the bottom of the short shaft 1402, bristles 1407 are installed at the bottom of the cleaning disc 1406, and the cleaning disc 1406 is driven to cling to the ground under the action of the third spring 1405, so as to ensure cleaning quality.
Referring to fig. 1 to 8, in a preferred embodiment, a gas cylinder 1408 is symmetrically installed at the bottom of a frame 1 and is used for supplying gas, a piston 1409 is slidably installed in the cavity of the gas cylinder 1408, a connecting rod 1410 is fixedly installed on the surface of the piston 1409, a driving frame 1411 is fixedly installed at the other end of the connecting rod 1410, a rotating wheel 1412 is fixedly installed at one end of a first rotating shaft 7, an eccentric shaft 1413 is fixedly installed on the surface of the rotating wheel 1412, the eccentric shaft 1413 is fixedly installed at a non-central position of the rotating wheel 1412, the eccentric shaft 1413 is inserted in the cavity of the driving frame 1411, a first check valve 1414 and a second check valve 1415 are installed on the side wall of the gas cylinder 1408, the first check valve 1414 is in one-way conduction towards the cavity of the gas cylinder, the second one-way valve 1415 is used for air inlet and one-way conduction towards the outer wall of the gas cylinder 1408, and is used for air outlet, a spray pipe 1416 is fixedly arranged on the side wall of the sealing frame 611, an air pipe is communicated between the second one-way valve 1415 and the spray pipe 1416, a plurality of spray holes 1417 are formed in the side wall of the spray pipe 1416, when the first rotating shaft 7 rotates, the rotating wheel 1412 is driven to rotate synchronously, so that the driving frame 1411 is driven by the eccentric shaft 1413 to drive the piston 1409 to reciprocate, the first one-way valve 1414 and the second one-way valve 1415 are conducted alternately, air is injected into the spray pipe 1416, the spray holes 1417 are sprayed to the road surface, dust is removed further, and the crack filling quality is guaranteed.
In a preferred embodiment, when the motor 13 drives the first rotating shaft 7 to rotate, the second rotating shaft 1401 can be driven to synchronously rotate, the cleaning disc 1406 and the bristles 1407 are used for cleaning the ground, the cleaning disc 1406 is driven to be clung to the ground under the action of the third spring 1405, so that the cleaning quality is ensured, meanwhile, the first rotating shaft 7 drives the rotating wheel 1412 to synchronously rotate, so that the driving frame 1411 drives the piston 1409 to reciprocate through the eccentric shaft 1413, the first one-way valve 1414 and the second one-way valve 1415 are alternately conducted, air is injected into the spray pipe 1416, and the spray pipe 1417 sprays out to the road surface, so that dust is removed further, and the pouring quality is ensured.
Referring to fig. 1-9, in a preferred embodiment, a waste collecting mechanism 15 is installed on the surface of a frame 1 and is used for collecting redundant asphalt waste, the waste collecting mechanism 15 comprises a collecting cylinder 1501, a connecting frame 1502 and a scraping plate 1503, the collecting cylinder 1501 is installed at the bottom of the frame 1 and is used for collecting redundant asphalt waste, a connecting frame 1502 is fixedly installed on the side wall of the collecting cylinder 1501, the scraping plate 1503 is slidingly installed in the cavity of the connecting frame 1502 and is used for scraping overflowed asphalt, a fourth spring 1504 is fixedly installed in the cavity of the connecting frame 1502, one end of the fourth spring 1504 is fixedly connected with the scraping plate 1503 and is used for driving the scraping plate 1503 to move outwards, the scraping plate 1503 is tightly attached to the ground under the action of the fourth spring 1504, a third rotating shaft 1505 is installed in the cavity of the collecting cylinder 1501 in a rotating mode, a scraping plate 1506 is symmetrically installed on the surface of the third rotating shaft 1505, a transmission shaft 1507 is fixedly installed between two wheels 2, pulleys are fixedly installed on the surfaces of the transmission shaft 1507 and the third rotating shaft 1505, a belt is connected between the two pulleys, and when the frame 1 moves, overflowed asphalt can be scraped into the collecting cylinder 1501 by the scraping plate 1503 through the belt.
Referring to fig. 1-9, in a preferred embodiment, a collecting tank 1508 is mounted on a side wall of a collecting cylinder 1501, a feed inlet 1509 is formed between the collecting tank 1508 and the collecting cylinder 1501, when a frame 1 moves forward, a third rotating shaft 1505 and a scraping plate 1506 can be driven to rotate synchronously through a transmission shaft 1507, asphalt in the collecting cylinder 1501 is scraped to the feed inlet 1509 and enters the collecting tank 1508 to be collected, a waste collecting tank 1510 is fixedly mounted at the bottom of the frame 1, an air pipe is communicated between the waste collecting tank 1510 and a first one-way valve 1414, a third one-way valve 1511 is mounted at the bottom of the waste collecting tank 1510, a water pipe is communicated between the third one-way valve 1511 and the collecting tank 1508, when the rotating wheel 1412 rotates, the waste collecting tank 1510 can be vacuumized through the first one-way valve 1414, and asphalt in the collecting tank 1508 is sucked into the waste collecting tank 1510 through the third one-way valve 1511 to be collected intensively, so that the overflowed asphalt road surface is avoided from polluting.
In a preferred embodiment, in use, overflowed asphalt can be scraped into the collection cylinder 1501 by the scraping plate 1503, when the frame 1 moves forwards, the third rotating shaft 1505 and the scraping plate 1506 can be driven to rotate synchronously by the transmission shaft 1507, asphalt in the collection cylinder 1501 is scraped to the feed inlet 1509 and enters the collection box 1508 to be collected, when the rotating wheel 1412 rotates, the waste collection box 1510 can be vacuumized by the first one-way valve 1414, and asphalt in the collection box 1508 is sucked into the waste collection box 1510 by the third one-way valve 1511 to be collected intensively, so that the road surface is convenient to use and the overflowed asphalt is prevented from being polluted.
The road construction method is suitable for the road construction device and comprises the following steps:
S1, cleaning; when the motor 13 drives the first rotating shaft 7 to rotate, the cleaning disc 1406 and the brush hair 1407 can be driven to clean the ground, and the rotating wheel 1412 is driven to synchronously rotate, so that the piston 1409 is driven to reciprocate through the eccentric shaft 1413, the first check valve 1414 and the second check valve 1415 are alternately conducted, air is injected into the spray pipe 1416, and the spray pipe 1417 sprays out to the road surface to further remove dust;
S2, pouring a gap, namely placing the guide wheel 4 into the gap, deflecting the guide wheel 4 along with the path of the gap, automatically adjusting the direction of the frame 1, inserting the gap detection block 610 into the gap, and enabling the gap detection block 610 to always contact with the bottom of the gap under the action of the first spring 604 in the moving process of the frame 1, wherein when the gap is deeper, the gap detection block 610 and the telescopic rod 603 move downwards, and the number of through grooves 606 communicated with the material dividing groove 605 is increased, so that the jet flow of the jet head 608 is improved, and the gap is ensured to be fully filled;
S3, waste removal, namely, overflowed asphalt can be scraped into a collecting barrel 1501 through a scraping plate 1503, when a frame 1 moves forwards, a scraping plate 1506 can be driven to rotate synchronously through a transmission shaft 1507, asphalt in the collecting barrel 1501 is scraped to a feed inlet 1509 and enters a collecting box 1508 to be collected, when a rotating wheel 1412 rotates, a waste collecting box 1510 can be vacuumized through a first one-way valve 1414, and asphalt in the collecting box 1508 is sucked into the waste collecting box 1510 through a third one-way valve 1511 to be collected intensively.
Specifically, the working principle of the road construction device is that when the road construction device is used, the motor 13 drives the first rotating shaft 7 to rotate, the second rotating shaft 1401 can be driven to synchronously rotate, the ground is cleaned through the cleaning disc 1406 and the bristles 1407, the cleaning disc 1406 is driven to cling to the ground under the action of the third spring 1405, so that the cleaning quality is ensured, meanwhile, the first rotating shaft 7 drives the rotating wheel 1412 to synchronously rotate, the driving frame 1411 is driven by the eccentric shaft 1413 to drive the piston 1409 to reciprocate, the first one-way valve 1414 and the second one-way valve 1415 are alternately conducted, air is injected into the spray pipe 1416, the spray hole 1417 sprays out to the road surface, dust is further removed, and the pouring seam quality is ensured.
And the guide wheel 4 is placed in the gap, the guide wheel 4 deflects along with the path of the gap, so that the direction of the frame 1 is automatically adjusted, the gap detection block 610 is inserted into the gap, the gap detection block 610 always contacts with the bottom of the gap under the action of the first spring 604 in the moving process of the frame 1, when the gap is deeper, the gap detection block 610 and the telescopic rod 603 move downwards, the number of through grooves 606 communicated with the dividing groove 605 is increased, the jet flow of the jet head 608 is improved, the gap is ensured to be fully filled, and the gap filling quality is improved.
Overflowed asphalt can be scraped into the collecting cylinder 1501 through the scraping plate 1503, when the frame 1 moves forwards, the third rotating shaft 1505 and the scraping plate 1506 can be driven to synchronously rotate through the transmission shaft 1507, asphalt in the collecting cylinder 1501 is scraped to the feeding port 1509 and enters the collecting box 1508 to be collected, when the rotating wheel 1412 rotates, the waste collecting box 1510 can be vacuumized through the first one-way valve 1414, asphalt in the collecting box 1508 is sucked into the waste collecting box 1510 through the third one-way valve 1511 to be collected intensively, and the road surface is prevented from being polluted by overflowed asphalt.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (8)

1.一种道路施工装置,其特征在于,包括车架(1)、料罐(5)和灌缝机构(6),所述车架(1)底部对称安装有车轮(2)和万向轮(3),所述料罐(5)安装在车架(1)表面,用于存放沥青,所述灌缝机构(6)安装在车架(1)表面,用于将沥青灌入缝中,所述灌缝机构(6)包括:1. A road construction device, characterized in that it comprises a frame (1), a material tank (5) and a grouting mechanism (6), wherein wheels (2) and universal wheels (3) are symmetrically mounted on the bottom of the frame (1), the material tank (5) is mounted on the surface of the frame (1) and is used to store asphalt, and the grouting mechanism (6) is mounted on the surface of the frame (1) and is used to pour asphalt into the seams, and the grouting mechanism (6) comprises: 抽液泵(601),所述抽液泵(601)安装在车架(1)表面,所述抽液泵(601)进液端与料罐(5)导通;A liquid pump (601), the liquid pump (601) being mounted on the surface of the vehicle frame (1), and the liquid inlet end of the liquid pump (601) being in communication with the material tank (5); 料筒(602),所述料筒(602)安装在车架(1)表面,所述料筒(602)内腔开设有分料槽(605),所述抽液泵(601)出液端与分料槽(605)导通;A barrel (602), the barrel (602) being mounted on the surface of the vehicle frame (1), the inner cavity of the barrel (602) being provided with a material distribution groove (605), and the liquid outlet end of the liquid pump (601) being in communication with the material distribution groove (605); 伸缩杆(603),所述伸缩杆(603)滑动安装在料筒(602)内腔,所述伸缩杆(603)侧壁开设有若干通槽(606);A telescopic rod (603), the telescopic rod (603) being slidably mounted in the inner cavity of the barrel (602), and a plurality of through grooves (606) being formed on a side wall of the telescopic rod (603); 喷头(608),所述喷头(608)安装在伸缩杆(603)底部,用于将沥青喷入缝隙中;A spray head (608), the spray head (608) being mounted at the bottom of the telescopic rod (603) and being used to spray asphalt into the gap; 所述料筒(602)内腔安装有第一弹簧(604),所述第一弹簧(604)一端与料筒(602)固定连接,所述第一弹簧(604)另一端与伸缩杆(603)固定连接,用于驱动伸缩杆(603)下移,所述伸缩杆(603)内腔开设有空腔(607),若干个所述通槽(606)均与空腔(607)导通,所述喷头(608)与空腔(607)相导通;A first spring (604) is installed in the inner cavity of the barrel (602), one end of the first spring (604) is fixedly connected to the barrel (602), and the other end of the first spring (604) is fixedly connected to the telescopic rod (603) for driving the telescopic rod (603) to move downward, a cavity (607) is provided in the inner cavity of the telescopic rod (603), a plurality of through grooves (606) are connected to the cavity (607), and the nozzle (608) is connected to the cavity (607); 所述伸缩杆(603)底部转动安装有连接座(609),所述连接座(609)底部固定安装有探缝块(610),用于插入缝隙中,所述伸缩杆(603)表面滑动套接有密封框(611),所述车架(1)底部对称固定安装有导杆(612),所述密封框(611)与导杆(612)滑动连接,所述导杆(612)表面套接有第二弹簧(613),所述第二弹簧(613)一端与车架(1)固定连接,所述第二弹簧(613)另一端与密封框(611)固定连接,用于驱动密封框(611)下移。A connecting seat (609) is rotatably mounted on the bottom of the telescopic rod (603); a slit-detecting block (610) is fixedly mounted on the bottom of the connecting seat (609) for inserting into the slit; a sealing frame (611) is slidably sleeved on the surface of the telescopic rod (603); a guide rod (612) is symmetrically fixedly mounted on the bottom of the frame (1); the sealing frame (611) is slidably connected to the guide rod (612); a second spring (613) is sleeved on the surface of the guide rod (612); one end of the second spring (613) is fixedly connected to the frame (1); the other end of the second spring (613) is fixedly connected to the sealing frame (611) for driving the sealing frame (611) to move downward. 2.根据权利要求1所述的一种道路施工装置,其特征在于,所述车架(1)底部安装有导向轮(4),所述料罐(5)内腔转动安装有第一转轴(7),所述第一转轴(7)侧壁对称转动安装有研磨辊(8),所述料罐(5)内腔安装有过滤板(9),所述研磨辊(8)一端固定安装有第一齿轮(10),所述料罐(5)内腔固定安装有齿圈(11),所述第一齿轮(10)与齿圈(11)相啮合,所述第一转轴(7)侧壁对称固定安装有翻料杆(12),所述料罐(5)侧壁固定安装有电机(13),所述电机(13)输出端和第一转轴(7)一端均安装有皮带轮,两个皮带轮之间连接有皮带。2. A road construction device according to claim 1, characterized in that a guide wheel (4) is installed at the bottom of the frame (1), a first rotating shaft (7) is rotatably installed in the inner cavity of the material tank (5), a grinding roller (8) is symmetrically rotatably installed on the side wall of the first rotating shaft (7), a filter plate (9) is installed in the inner cavity of the material tank (5), a first gear (10) is fixedly installed at one end of the grinding roller (8), a gear ring (11) is fixedly installed in the inner cavity of the material tank (5), the first gear (10) is meshed with the gear ring (11), a material turning rod (12) is symmetrically fixedly installed on the side wall of the first rotating shaft (7), a motor (13) is fixedly installed on the side wall of the material tank (5), and pulleys are installed at the output end of the motor (13) and one end of the first rotating shaft (7), and a belt is connected between the two pulleys. 3.根据权利要求2所述的一种道路施工装置,其特征在于,所述车架(1)表面安装有清理机构(14),用于清理缝隙表面的灰尘,所述清理机构(14)包括第二转轴(1401)、清洁盘(1406)和刷毛(1407),所述第二转轴(1401)转动安装在车架(1)表面,所述第二转轴(1401)内腔滑动安装有短轴(1402),所述短轴(1402)表面安装有花键齿(1403),所述第二转轴(1401)内腔开设有花键槽(1404),所述花键齿(1403)与花键槽(1404)相啮合,所述第二转轴(1401)内腔固定安装有第三弹簧(1405),所述第三弹簧(1405)一端与短轴(1402)固定连接,所述短轴(1402)底部固定安装有清洁盘(1406),所述清洁盘(1406)底部安装有刷毛(1407)。3. A road construction device according to claim 2, characterized in that a cleaning mechanism (14) is installed on the surface of the frame (1) for cleaning dust on the surface of the gap, the cleaning mechanism (14) comprises a second rotating shaft (1401), a cleaning disc (1406) and bristles (1407), the second rotating shaft (1401) is rotatably installed on the surface of the frame (1), a short shaft (1402) is slidably installed in the inner cavity of the second rotating shaft (1401), and a flower-shaped brush (1407) is installed on the surface of the short shaft (1402). A key tooth (1403) is provided in the inner cavity of the second rotating shaft (1401), and a spline groove (1404) is formed therein. The spline tooth (1403) meshes with the spline groove (1404). A third spring (1405) is fixedly installed in the inner cavity of the second rotating shaft (1401), and one end of the third spring (1405) is fixedly connected to the short shaft (1402). A cleaning disc (1406) is fixedly installed at the bottom of the short shaft (1402), and bristles (1407) are installed at the bottom of the cleaning disc (1406). 4.根据权利要求3所述的一种道路施工装置,其特征在于,所述车架(1)底部对称安装有集气筒(1408),所述集气筒(1408)内腔滑动安装有活塞(1409),所述活塞(1409)表面固定安装有连杆(1410),所述连杆(1410)另一端固定安装有驱动框(1411)。4. A road construction device according to claim 3, characterized in that a gas collecting cylinder (1408) is symmetrically installed at the bottom of the frame (1), a piston (1409) is slidably installed in the inner cavity of the gas collecting cylinder (1408), a connecting rod (1410) is fixedly installed on the surface of the piston (1409), and a driving frame (1411) is fixedly installed on the other end of the connecting rod (1410). 5.根据权利要求4所述的一种道路施工装置,其特征在于,所述第一转轴(7)一端固定安装有转轮(1412),所述转轮(1412)表面固定安装有偏心轴(1413),所述偏心轴(1413)插接在驱动框(1411)内腔,所述集气筒(1408)侧壁安装有第一单向阀(1414)和第二单向阀(1415),所述密封框(611)侧壁固定安装有喷管(1416),所述第二单向阀(1415)与喷管(1416)之间连通有气管,所述喷管(1416)侧壁开设有若干喷孔(1417)。5. A road construction device according to claim 4, characterized in that a rotating wheel (1412) is fixedly mounted on one end of the first rotating shaft (7), an eccentric shaft (1413) is fixedly mounted on the surface of the rotating wheel (1412), the eccentric shaft (1413) is plugged into the inner cavity of the driving frame (1411), a first one-way valve (1414) and a second one-way valve (1415) are mounted on the side wall of the gas collecting cylinder (1408), a nozzle (1416) is fixedly mounted on the side wall of the sealing frame (611), an air pipe is connected between the second one-way valve (1415) and the nozzle (1416), and a plurality of spray holes (1417) are opened on the side wall of the nozzle (1416). 6.根据权利要求5所述的一种道路施工装置,其特征在于,所述车架(1)表面安装有集废机构(15),用于收集多余的沥青废料,所述集废机构(15)包括收集筒(1501)、连接框(1502)和刮板(1503),所述收集筒(1501)安装在车架(1)底部,所述收集筒(1501)侧壁固定安装有连接框(1502),所述连接框(1502)内腔滑动安装有刮板(1503),所述连接框(1502)内腔固定安装有第四弹簧(1504),所述第四弹簧(1504)一端与刮板(1503)固定连接,用于驱动刮板(1503)外移,所述收集筒(1501)内腔转动安装有第三转轴(1505),所述第三转轴(1505)表面对称固定安装有刮料板(1506),两个所述车轮(2)之间固定安装有传动轴(1507),所述传动轴(1507)和第三转轴(1505)表面均固定安装有皮带轮,两个皮带轮之间连接有皮带。6. A road construction device according to claim 5, characterized in that a waste collection mechanism (15) is installed on the surface of the frame (1) for collecting excess asphalt waste, the waste collection mechanism (15) comprising a collecting cylinder (1501), a connecting frame (1502) and a scraper (1503), the collecting cylinder (1501) is installed at the bottom of the frame (1), the connecting frame (1502) is fixedly installed on the side wall of the collecting cylinder (1501), the scraper (1503) is slidably installed in the inner cavity of the connecting frame (1502), and the inner cavity of the connecting frame (1502) is provided with a scraper (1503). A fourth spring (1504) is fixedly installed, one end of the fourth spring (1504) is fixedly connected to the scraper (1503) and is used to drive the scraper (1503) to move outward. A third rotating shaft (1505) is rotatably installed in the inner cavity of the collecting barrel (1501), and a scraper plate (1506) is symmetrically fixedly installed on the surface of the third rotating shaft (1505). A transmission shaft (1507) is fixedly installed between the two wheels (2), and pulleys are fixedly installed on the surfaces of the transmission shaft (1507) and the third rotating shaft (1505), and a belt is connected between the two pulleys. 7.根据权利要求6所述的一种道路施工装置,其特征在于,所述收集筒(1501)侧壁安装有收集箱(1508),所述收集箱(1508)与收集筒(1501)之间开设有进料口(1509),所述车架(1)底部固定安装有集废箱(1510),所述集废箱(1510)与第一单向阀(1414)之间连通有气管,所述集废箱(1510)底部安装有第三单向阀(1511),所述第三单向阀(1511)与收集箱(1508)之间连通有水管。7. A road construction device according to claim 6, characterized in that a collecting box (1508) is installed on the side wall of the collecting cylinder (1501), a feeding port (1509) is opened between the collecting box (1508) and the collecting cylinder (1501), a waste collecting box (1510) is fixedly installed at the bottom of the frame (1), an air pipe is connected between the waste collecting box (1510) and the first one-way valve (1414), a third one-way valve (1511) is installed at the bottom of the waste collecting box (1510), and a water pipe is connected between the third one-way valve (1511) and the collecting box (1508). 8.一种道路施工方法,适用于上述权利要求7所述的一种道路施工装置,其特征在于,包括如下步骤:8. A road construction method, applicable to the road construction device according to claim 7, characterized in that it comprises the following steps: S1:清理;电机(13)驱动第一转轴(7)转动时,可带动清洁盘(1406)和刷毛(1407)对地面进行清洁,同时带动转轮(1412)同步转动,从而通过偏心轴(1413)驱动活塞(1409)往复移动,使第一单向阀(1414)和第二单向阀(1415)交替导通,将空气注入喷管(1416)中,并由喷孔(1417)向路面喷出,进一步除尘;S1: cleaning; when the motor (13) drives the first rotating shaft (7) to rotate, the cleaning disc (1406) and the bristles (1407) can be driven to clean the ground surface, and the rotating wheel (1412) can be driven to rotate synchronously, thereby driving the piston (1409) to move back and forth through the eccentric shaft (1413), so that the first one-way valve (1414) and the second one-way valve (1415) are alternately connected, and air is injected into the nozzle (1416) and sprayed onto the road surface through the spray hole (1417), thereby further removing dust; S2:灌缝;将导向轮(4)放入缝隙中,导向轮(4)将随着缝隙的路径发生偏转,从而对车架(1)的方向进行自动调节,并将探缝块(610)插入缝隙中,车架(1)移动的过程中,在第一弹簧(604)的作用下,探缝块(610)始终与缝隙底部接触,当缝隙较深时,探缝块(610)和伸缩杆(603)下移,与分料槽(605)导通的通槽(606)的数量增加,从而提高了喷头(608)的喷射流量,确保缝隙被充分填充;S2: Filling the gap; placing the guide wheel (4) into the gap, the guide wheel (4) will deflect along the path of the gap, thereby automatically adjusting the direction of the frame (1), and inserting the gap detection block (610) into the gap. During the movement of the frame (1), under the action of the first spring (604), the gap detection block (610) is always in contact with the bottom of the gap. When the gap is deep, the gap detection block (610) and the telescopic rod (603) move downward, and the number of through grooves (606) connected to the material distribution groove (605) increases, thereby increasing the injection flow rate of the nozzle (608) and ensuring that the gap is fully filled; S3:除废;通过刮板(1503)可将溢出的沥青刮入收集筒(1501)中,车架(1)向前移动时,通过传动轴(1507)可带动刮料板(1506)同步转动,将收集筒(1501)中的沥青刮向进料口(1509),并进入收集箱(1508)中进行收集,转轮(1412)转动时,通过第一单向阀(1414)可对集废箱(1510)进行吸真空,并通过第三单向阀(1511)将收集箱(1508)中的沥青吸入到集废箱(1510)中集中收集。S3: waste removal; the overflowed asphalt can be scraped into the collection barrel (1501) through the scraper (1503); when the frame (1) moves forward, the drive shaft (1507) can drive the scraper (1506) to rotate synchronously, so that the asphalt in the collection barrel (1501) is scraped toward the feed port (1509) and enters the collection box (1508) for collection; when the rotating wheel (1412) rotates, the waste collection box (1510) can be vacuumed through the first one-way valve (1414), and the asphalt in the collection box (1508) can be sucked into the waste collection box (1510) through the third one-way valve (1511) for centralized collection.
CN202411663948.5A 2024-11-20 2024-11-20 Road construction device and construction method thereof Active CN119145275B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202411663948.5A CN119145275B (en) 2024-11-20 2024-11-20 Road construction device and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202411663948.5A CN119145275B (en) 2024-11-20 2024-11-20 Road construction device and construction method thereof

Publications (2)

Publication Number Publication Date
CN119145275A CN119145275A (en) 2024-12-17
CN119145275B true CN119145275B (en) 2025-01-14

Family

ID=93817434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202411663948.5A Active CN119145275B (en) 2024-11-20 2024-11-20 Road construction device and construction method thereof

Country Status (1)

Country Link
CN (1) CN119145275B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110258277A (en) * 2019-06-24 2019-09-20 俞斌 Town road Asphalt Concrete Pavement Maintenance structure and its construction method
CN118461409A (en) * 2022-12-09 2024-08-09 王清豹 A kind of caulking construction device for highway maintenance

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013006310B4 (en) * 2013-04-14 2014-11-06 Andreas Rupprecht Mobile device for largely dust-free joint production or repair in surfaces
CN118498175A (en) * 2024-05-23 2024-08-16 浙江省交通运输科学研究院 Asphalt pavement gap treatment repairing device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110258277A (en) * 2019-06-24 2019-09-20 俞斌 Town road Asphalt Concrete Pavement Maintenance structure and its construction method
CN118461409A (en) * 2022-12-09 2024-08-09 王清豹 A kind of caulking construction device for highway maintenance

Also Published As

Publication number Publication date
CN119145275A (en) 2024-12-17

Similar Documents

Publication Publication Date Title
CN107700811A (en) A kind of metope joint trimming agent laying device
CN108774980B (en) Tunnel cleaning vehicle
CN214186697U (en) Self-cleaning type glass polishing machine
CN119145275B (en) Road construction device and construction method thereof
CN218291520U (en) Concrete road surface curing means
CN217601172U (en) Can clear away town road traffic marking spraying device of debris
CN218712069U (en) Road surface pit repairing machine with cleaning function
CN211498381U (en) A vibrating device for municipal road construction
CN218322265U (en) Road marking removing equipment
CN116083831B (en) Middle-width strip steel for cultivation shed and preparation method thereof
CN216259772U (en) Rotary industrial dust remover
CN217758504U (en) Roadbed construction device for constructional engineering
CN204325987U (en) A kind of road-sweeper
CN209989747U (en) Energy-saving dust-control sweeper
CN222847178U (en) A road repair scraping device
CN220309072U (en) Carbon black washout collecting device
CN223819285U (en) Hydro-cylinder belt cleaning device
CN216973242U (en) Efficient environment-friendly cleaning device for building pavement
CN219750999U (en) Slag removing machine cleaning device
CN223866536U (en) Carrier plate glass cutting waste collection device
CN216615649U (en) Highway subgrade maintenance device
CN221566974U (en) Dust fall device with cleaning function
CN221918921U (en) Highway subgrade maintenance road surface cementation of fissures device
CN217812178U (en) Waterproof layer coating device for basement antiseep for building engineering
CN222685232U (en) Road construction marking machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant