CN113737610A - Road surface paving device - Google Patents
Road surface paving device Download PDFInfo
- Publication number
- CN113737610A CN113737610A CN202110954970.5A CN202110954970A CN113737610A CN 113737610 A CN113737610 A CN 113737610A CN 202110954970 A CN202110954970 A CN 202110954970A CN 113737610 A CN113737610 A CN 113737610A
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- China
- Prior art keywords
- tank body
- rotating shaft
- rod
- frame
- cross rod
- 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.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 78
- 238000003756 stirring Methods 0.000 claims abstract description 65
- 238000007599 discharging Methods 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 30
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000010426 asphalt Substances 0.000 description 32
- 239000000203 mixture Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 9
- 238000007664 blowing Methods 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 7
- 238000007790 scraping Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/46—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing and placing the materials, e.g. slurry seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1013—Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1013—Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
- E01C19/104—Mixing by means of movable members in a non-rotating mixing enclosure, e.g. stirrers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1059—Controlling the operations; Devices solely for supplying or proportioning the ingredients
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/18—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect
- E01C19/185—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect for both depositing and spreading-out or striking-off the deposited mixture
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4866—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely non-vibratory or non-percussive pressing or smoothing means for consolidating or finishing
- E01C19/4873—Apparatus designed for railless operation
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C2019/1081—Details not otherwise provided for
Abstract
The invention discloses a road surface paving device, comprising: the tank body is of a vertically arranged hollow cylindrical structure, a feed inlet and a discharge outlet are formed in the tank body, and the discharge outlet is communicated with the discharging mechanism; the stirring mechanism is positioned in the tank body and comprises a first rotating shaft and a plurality of stirring rods, the first rotating shaft is coaxially arranged with the tank body and is rotationally connected with the tank body, and the plurality of stirring rods are fixedly arranged on the first rotating shaft at intervals; the turning mechanisms are respectively arranged on two sides of the first rotating shaft; any turning mechanism comprises a cross rod and a plurality of first scrapers, the cross rod is horizontally arranged at the bottom of the tank body, the cross rod can rotate around the axis of the first rotating shaft and also can rotate around the axis of the cross rod, and the first scrapers are fixedly arranged on the cross rod at uniform intervals along the circumferential direction of the cross rod. The stirring device has the advantages of stirring function, high stirring efficiency and good stirring effect, and can improve the uniformity of discharging during pavement paving, thereby being beneficial to improving the flatness of the pavement and ensuring the pavement paving effect.
Description
Technical Field
The invention relates to the technical field of pavement construction. More particularly, the present invention relates to a road paving apparatus.
Background
Asphalt pavements are widely used in road construction, and refer to the incorporation of mineral materials into various types of pavements paved with asphalt materials. Paving is an important process in road construction, and usually a paving apparatus is used to lay asphalt mixture on the base course of a road. Among the prior art, most road surface laying device does not have the stirring function, shifts to again after the bituminous material stirring misce bene and carries out road surface laying work in depositing the material jar usually, can improve working cost, and at the in-process of laying, the homogeneity of bituminous mixture constantly reduces in depositing the material jar, can lead to the blowing inhomogeneous, and then reduces the roughness on road surface, influences the effect of laying on road surface.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide the pavement paving device which has the stirring function, high stirring efficiency and good stirring effect, can improve the uniformity of discharging during pavement paving, is further favorable for improving the flatness of the pavement and ensures the pavement paving effect.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a road surface laying device including:
the tank body is of a hollow cylindrical structure which is vertically arranged; a feed inlet and a discharge outlet are formed in the tank body; the discharge hole is communicated with the discharging mechanism through a conveying pipe;
the stirring mechanism is positioned in the tank body and comprises a first rotating shaft and a plurality of stirring rods, the first rotating shaft and the tank body are coaxially arranged and are rotationally connected with the tank body, and the plurality of stirring rods are fixedly arranged on the first rotating shaft at intervals;
the turning mechanisms are respectively arranged on two sides of the first rotating shaft; any turning mechanism comprises a cross rod and a plurality of first scrapers, the cross rod is horizontally arranged at the bottom of the tank body, the cross rod can rotate around the axis of the first rotating shaft and can also rotate around the axis of the cross rod, and the first scrapers are fixedly arranged on the cross rod at uniform intervals along the circumferential direction of the cross rod.
Preferably, the method further comprises the following steps:
the baffle is horizontally connected in the tank body and positioned above the first rotating shaft, and the baffle is rotatably connected with the tank body;
the sleeve is positioned in the tank body and coaxially and rotatably sleeved outside the first rotating shaft; one end of any cross rod is connected with the sleeve in a sealing and rotating way;
a pair of scraper mechanisms positioned on both sides of the first rotating shaft; any scraper mechanism comprises a vertical rod, a second scraper and a plurality of spoilers, the vertical rod is vertically arranged below the baffle, the top of the vertical rod is connected with the baffle, and the bottom of the vertical rod is provided with an accommodating cavity; the second scraper is fixedly arranged on one side of the vertical rod far away from the first rotating shaft and is of a long strip-shaped structure, and one side of the second scraper can be in contact with the inner side wall of the tank body; the spoilers are fixedly arranged on the other side, close to the first rotating shaft, of the vertical rod at intervals in the vertical direction, any one of the spoilers is vertically arranged, the spoilers on one vertical rod and the spoilers on the other vertical rod are arranged in a staggered mode, and any one of the spoilers and any one of the stirring rods are not interfered with each other;
one vertical rod of the pair of second rotating shafts is correspondingly provided with one second rotating shaft, any one second rotating shaft is coaxially and rotatably sleeved in the corresponding vertical rod, one end of any one second rotating shaft is positioned between the baffle and the top surface of the tank body, and the other end of the other second rotating shaft vertically extends downwards to the accommodating cavity corresponding to the other second rotating shaft; the other end of any cross rod extends into the corresponding accommodating cavity along the radial direction of the tank body, and the other end of the second rotating shaft in the same accommodating cavity is in transmission connection with the other end of the cross rod through a gear; any cross rod is connected with the corresponding vertical rod in a sealing and rotating way.
Preferably, one end of the first rotating shaft is rotatably connected with the baffle, and the other end of the first rotating shaft vertically extends downwards, sequentially penetrates through the sleeve and the bottom of the tank body, and is connected with an output shaft of a first motor fixedly arranged below the tank body; the first rotating shaft is connected with the sleeve and the bottom of the tank body in a sealing and rotating manner.
Preferably, any cross rod is a telescopic rod, any first scraper does not limit the radial extension and retraction of the cross rod corresponding to the cross rod along the tank body, the first scraper on one cross rod and the first scraper on the other cross rod are arranged in a staggered manner along the radial direction of the tank body, and one side of any first scraper can be in contact with the bottom surface of the tank body; the top of any vertical rod is connected with the baffle in a sliding manner, and the baffle does not limit the radial movement of any vertical rod along the tank body;
the road surface laying device further comprises:
one end of the third rotating shaft is fixedly arranged on the top surface of the baffle plate, the other end of the third rotating shaft vertically and upwards extends through the top surface of the tank body and is connected with an output shaft of a second motor fixedly arranged on the top of the tank body, the third rotating shaft is coaxially arranged with the tank body, and the third rotating shaft is in sealed rotary connection with the top of the tank body;
the cylinder body of the double-rod hydraulic cylinder is rotatably arranged on the third rotating shaft, and the free ends of two piston rods of the double-rod hydraulic cylinder are respectively in transmission with one end of the pair of second rotating shafts through a gear; any piston rod is in transmission connection with an output shaft of a third motor fixedly arranged on the baffle plate through a belt, the piston rod is connected with an adjacent vertical rod through a connecting frame, and the rotation of the piston rod is not limited by any connecting frame.
Preferably, the method further comprises the following steps:
the bottom of the frame is provided with a wheel set, and the tank body is fixedly arranged at the top of the frame.
Preferably, the discharging mechanism is a discharging hopper, the discharging hopper is positioned below the frame and fixedly connected with the bottom of the frame in a sealing manner, and a first electromagnetic valve is arranged at a discharging opening of the discharging hopper; the discharging hopper is communicated with the discharging port through the conveying pipe, and the conveying pump is arranged on the conveying pipe.
Preferably, one side of the frame along the advancing direction is provided with a compression roller, the compression roller passes through a mounting frame and is connected with the frame is rotated, the compression roller with be equipped with the push pedal between the hopper down, the push pedal is located the below of frame, and with the bottom rigid coupling of frame.
Preferably, the hopper with be equipped with between the push pedal and dial material mechanism, dial material mechanism and be located the below of frame, it includes:
the pair of fixing frames are arranged at intervals along the direction vertical to the advancing direction of the frame and are fixedly connected with the bottom of the frame;
the screw rod is horizontally arranged, two ends of the screw rod are respectively and rotationally connected with the two fixing frames, the screw rod comprises a first part and a second part which are equal in length along the length direction of the screw rod, and threads on the first part and the second part are reversely arranged;
the first part and the second part of the screw rod are respectively sleeved with a sliding block in a threaded rotating manner, and the top of any sliding block is connected with the frame in a sliding manner;
one sliding block of each shifting plate is correspondingly provided with one shifting plate, any shifting plate is vertically arranged and fixedly connected with the corresponding sliding block, any shifting plate is parallel to the advancing direction of the frame, and comb teeth are arranged at the bottom of any shifting plate along the advancing direction of the frame.
Preferably, the method further comprises the following steps:
the at least one water spraying head is arranged in the tank body and is positioned below the baffle, and the water spraying head is communicated with the water inlet pipe; the tank body is provided with a water outlet pipe, the water outlet pipe is communicated with the inside of the tank body, and one end of the water outlet pipe, which is close to the tank body, is provided with a second electromagnetic valve.
Preferably, a heating layer and a heat preservation layer are sequentially covered on the outer side wall of the tank body from inside to outside.
The invention at least comprises the following beneficial effects:
the stirring mechanism is matched with the turning mechanism, so that the asphalt material in the tank body can be uniformly stirred and mixed, the stirring mechanism has a stirring function, the stirring efficiency is high, the stirring effect is good, the uniformity of the asphalt mixture can be kept during pavement laying, the asphalt mixture can be discharged, the material discharging is more uniform, the pavement flatness can be improved, and the pavement laying effect can be guaranteed;
secondly, a pair of scraping plate mechanisms are arranged in the tank body, the pair of scraping plate mechanisms can play a role of disturbing asphalt materials, the stirring efficiency and the stirring effect are favorably improved, the rotation of the stirring mechanism is driven by a first motor through arranging a baffle, a sleeve, a pair of second rotating shafts, a third rotating shaft and a double-rod hydraulic cylinder, the rotation of a pair of turning mechanisms along the axis of the tank body and the rotation of a pair of scraping plate mechanisms along the axis of the tank body are driven by the second motor, the rotation of the pair of turning mechanisms around the axis of the cross rod is driven by the third motor, the rotation speed and the rotation direction of the stirring mechanism can be respectively controlled through the first motor, the second motor and the third motor, the rotation speed and the rotation direction of the pair of turning mechanisms along the axis of the tank body and the rotation speed and the rotation direction of the pair of scraping plate mechanisms around the axis of the tank body, and the rotation speed and the rotation direction of the pair of turning mechanisms around the axis of the cross rod, the stirring efficiency and effect are further improved, and the uniformity of discharging is improved; and the control is convenient, and the operation is more simple and convenient.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic view of the construction of one of the states of the road-surfacing apparatus according to one of the solutions of the present invention;
fig. 2 is a schematic structural view of another state of the road surface laying device according to one embodiment of the present invention;
fig. 3 is a schematic structural diagram of the material poking mechanism according to one technical scheme of the invention;
description of reference numerals: a tank body 1; a first rotating shaft 2; a stirring rod 3; a cross bar 4; a first squeegee 5; a baffle 6; a sleeve 7; a first electric motor 8; a vertical rod 9; a second squeegee 10; a spoiler 11; a housing chamber 12; a second rotating shaft 13; a third rotating shaft 14; a second motor 15; a double-rod hydraulic cylinder 16; a connecting frame 17; a frame 18; a wheel set 19; a discharge hopper 20; a feed opening 21; a first electromagnetic valve 22; a delivery pipe 23; a delivery pump 24; a press roll 25; a mounting bracket 26; a push plate 27; a fixed frame 28; a screw 29; a fourth motor 30; a slider 31; a dial plate 32; comb teeth 33; a first bevel gear 34; a second bevel gear 35; a third bevel gear 36; a fourth bevel gear 37; a heating layer 38; an insulating layer 39; a belt 40.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It should be noted that in the description of the present invention, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, the present invention provides a road surface laying device including:
the tank body 1 is of a hollow cylindrical structure which is vertically arranged; a feed inlet and a discharge outlet are formed in the tank body 1; the discharge hole is communicated with the discharging mechanism through a conveying pipe 23;
the stirring mechanism is positioned in the tank body 1 and comprises a first rotating shaft 2 and a plurality of stirring rods 3, the first rotating shaft 2 is coaxially arranged with the tank body 1 and is rotationally connected with the tank body 1, and the plurality of stirring rods 3 are fixedly arranged on the first rotating shaft 2 at intervals;
the turning mechanisms are respectively arranged on two sides of the first rotating shaft 2; any turning mechanism comprises a cross rod 4 and a plurality of first scrapers 5, the cross rod 4 is horizontally arranged at the bottom of the tank body 1, the cross rod 4 can rotate around the axis of the first rotating shaft 2 and can also rotate around the axis of the cross rod, and the plurality of first scrapers 5 are uniformly and fixedly arranged on the cross rod 4 at intervals along the circumferential direction of the cross rod 4;
in the technical scheme, when in use, asphalt materials are put into the tank body 1 through the feed inlet, the first rotating shaft 2 is driven to rotate around the axis of the first rotating shaft 2, the stirring rods 3 are driven to rotate, the stirring mechanism is used for stirring and mixing the asphalt materials in the tank body 1, meanwhile, the pair of cross rods 4 are driven to rotate around the axis of the first rotating shaft 2 while rotating around the axis of the first rotating shaft 4, the first scraping plates 5 are driven to rotate, and the asphalt materials at the bottom of the tank body 1 are stirred and stirred, so that the asphalt materials can be effectively prevented from being stacked at the bottom of the tank body 1, the asphalt materials at the bottom of the tank body 1 can be stirred to the upper side, the asphalt materials in the tank body 1 are disturbed in the vertical direction, the stirring and mixing of the asphalt materials in the tank body 1 by the stirring mechanism are further improved, and the stirring mechanism is matched with the stirring mechanism, can effectively improve stirring efficiency and effect, after the bituminous material stirs the misce bene, bituminous mixture passes through the discharge gate, conveyer pipe 23 gets into feed mechanism to carry out the blowing through feed mechanism, still stir the bituminous mixture in jar body 1 in the blowing, be favorable to keeping bituminous mixture's homogeneity, and be favorable to bituminous mixture's discharge, make the blowing more even, and then can improve the roughness on road surface, the effect of laying on guarantee road surface.
The stirring mechanism and the pair of turning mechanisms are arranged in the tank body 1, the first rotating shaft 2 of the stirring mechanism is coaxial with the tank body 1, the pair of turning mechanisms is positioned at the bottom of the tank body 1, the stirring mechanism is matched with the turning mechanisms, so that the asphalt material in the tank body 1 can be uniformly stirred and mixed, the stirring function is realized, the stirring efficiency is high, the stirring effect is good, meanwhile, the uniformity of the asphalt mixture can be kept when the pavement is paved, the asphalt mixture is discharged, the material discharge is more uniform, the pavement flatness can be further improved, and the pavement paving effect can be guaranteed.
In another technical solution, the method further comprises:
the baffle 6 is horizontally connected in the tank body 1 and positioned above the first rotating shaft 2, the baffle 6 is rotatably connected with the tank body 1, and the baffle 6 can rotate around the axis of the tank body 1;
the sleeve 7 is positioned in the tank body 1 and coaxially and rotatably sleeved outside the first rotating shaft 2; one end of any cross rod 4 is connected with the sleeve 7 in a sealing and rotating way, and the cross rod 4 can rotate around the axis of the cross rod 4 relative to the sleeve 7;
a pair of scraper mechanisms located on both sides of the first rotating shaft 2; any scraper mechanism comprises a vertical rod 9, a second scraper 10 and a plurality of spoilers 11, the vertical rod 9 is vertically arranged below the baffle 6, the top of the vertical rod 9 is connected with the baffle 6, the bottom of the vertical rod 9 is provided with an accommodating cavity 12, and the rotation of the baffle 6 can drive the pair of vertical rods 9 to rotate around the axis of the tank body 1; the second scraper 10 is fixedly arranged on one side of the vertical rod 9 far away from the first rotating shaft 2 and is in a strip-shaped structure, and one side of the second scraper 10 can be in contact with the inner side wall of the tank body 1; the second scraper 10 can effectively prevent asphalt materials from being adhered to the inner wall of the tank body 1, and simultaneously plays a role in disturbing the asphalt materials, so that the stirring efficiency and effect are improved, the tank body 1 is convenient to clean, the spoilers 11 are fixedly arranged on the other side, close to the first rotating shaft 2, of the vertical rod 9 at intervals in the vertical direction, any one of the spoilers 11 is vertically arranged, the spoilers 11 on one vertical rod 9 and the spoilers 11 on the other vertical rod 9 are arranged in a staggered mode, any one of the spoilers 11 and any one of the stirring rods 3 are not interfered with each other, the spoilers 11 play a role in disturbing the asphalt materials and push the asphalt materials to the stirring mechanism, and the staggered arrangement of the spoilers 11 on one pair of vertical rods 9 can enhance the disturbance effect, so that the stirring efficiency and effect can be further improved;
one vertical rod 9 of the pair of second rotating shafts 13 is correspondingly provided with one second rotating shaft 13, any one second rotating shaft 13 is coaxially and rotatably sleeved in the corresponding vertical rod 9 through a bearing, one end of any one second rotating shaft 13 is positioned between the baffle 6 and the top surface of the tank body 1, and the other end of the any one second rotating shaft 13 vertically extends downwards to the accommodating cavity 12 corresponding to the other end of the second rotating shaft; the other end of any cross rod 4 extends into the corresponding accommodating cavity 12 along the radial direction of the tank body 1, and the other end of a second rotating shaft 13 positioned in the same accommodating cavity 12 is in transmission connection with the other end of the cross rod 4 through a gear; a first bevel gear 34 is fixedly sleeved at the other end of any one second rotating shaft 13, a second bevel gear 35 is fixedly sleeved at the other end of any one cross rod 4, the first bevel gear 34 and the adjacent second bevel gear 35 are meshed with each other, the pair of second rotating shafts 13 are driven to rotate, the pair of cross rods 4 rotate around the axis of the cross rods 4 under the meshing action of the first bevel gear 34 and the second bevel gear 35, any cross rod 4 is in sealed and rotary connection with the corresponding vertical rod 9, and the other end of the cross rod 4 is in rotary connection with the vertical rod 9 through a bearing;
the vertical rods 9 of the pair of scraper mechanisms are driven to rotate around the axis of the tank body 1 through the rotation of the baffle 6, the second scraper 10 on any one scraper mechanism can effectively prevent asphalt materials from being adhered to the inner wall of the tank body 1 and simultaneously plays a role of disturbing the asphalt materials, the tank body 1 is convenient to clean while the stirring efficiency and effect are improved, the plurality of spoilers 11 play a role of disturbing the asphalt materials and push the asphalt materials to the stirring mechanism, the stirring efficiency and effect can be further improved, and the uniformity of discharging is improved; the rotation of a pair of montant 9 drives horizontal pole 4 and rotates around the axis of jar body 1, rotates through driving a pair of second pivot 13 simultaneously, under gear drive's effect, drives the rotation around self axis of a pair of horizontal pole 4, can realize that horizontal pole 4 rotates around self axis when rotating around the axis of first pivot 2, and the operation is more simple and convenient.
In another technical scheme, one end of the first rotating shaft 2 is rotatably connected with the baffle 6, and the other end of the first rotating shaft vertically extends downwards, sequentially penetrates through the sleeve 7 and the bottom of the tank body 1, and is connected with an output shaft of a first motor 8 fixedly arranged below the tank body 1; the first rotating shaft 2 is in sealed rotary connection with the sleeve 7 and the bottom of the tank body 1, and the first rotating shaft 2 is in rotary connection with the sleeve 7 and the bottom of the tank body 1 through bearings; drive rabbling mechanism through first motor 8 and rotate, the control of being convenient for, the operation is more simple and convenient, and the rotation of first pivot 2 does not interfere the rotation of horizontal pole 4, has ensured the rotation effect of horizontal pole 4.
In another technical scheme, any cross rod 4 is an expansion rod, any first scraper 5 does not limit the radial expansion of the corresponding cross rod 4 along the tank body 1, the first scraper 5 on one cross rod 4 and the first scraper 5 on the other cross rod 4 are arranged in a staggered manner along the radial direction of the tank body 1, the first scraper 5 on one cross plate is in contact with the vertical rod 9 adjacent to the cross plate, the first scraper 5 on the other cross rod 4 is in contact with the first rotating shaft 2, and the length of the first scraper 5 along the radial direction of the tank body 1 is not less than half of the distance between the first rotating shaft 2 and the vertical rod 9; one side of any first scraper 5 can be contacted with the bottom surface of the tank body 1; the pair of turning mechanisms can stir the asphalt material at the bottom of the tank body 1 to the maximum extent, so that the stirring efficiency and effect are improved, and the uniformity of material discharge is improved; the top of any vertical rod 9 is connected with the baffle 6 in a sliding manner, the baffle 6 does not limit the movement of any vertical rod 9 along the radial direction of the tank body 1, a pair of strip-shaped through holes are formed in the baffle 6, a second rotating shaft 13 is correspondingly provided with one strip-shaped through hole, any strip-shaped through hole extends along the radial direction of the tank body 1, and one end of any second rotating shaft 13 penetrates through the corresponding strip-shaped through hole;
the road surface laying device further comprises:
one end of the third rotating shaft 14 is fixedly arranged on the top surface of the baffle 6, the other end of the third rotating shaft vertically and upwards extends through the top surface of the tank body 1 and is connected with an output shaft of a second motor 15 fixedly arranged on the top of the tank body 1, the third rotating shaft 14 is coaxially arranged with the tank body 1, the third rotating shaft 14 is in sealed and rotating connection with the top of the tank body 1, the third rotating shaft 14 is in rotating connection with the top of the tank body 1 through a bearing, and the second motor 15 drives the baffle 6 to rotate, so that the control is convenient;
the double-rod hydraulic cylinder 16 is horizontally arranged, a cylinder body is rotationally arranged on the third rotating shaft 14 through a bearing, the double-rod hydraulic cylinder 16 can rotate around the axis of the double-rod hydraulic cylinder relative to the third rotating shaft 14, the free ends of two piston rods of the double-rod hydraulic cylinder 16 are respectively in gear transmission with one end of each of the pair of second rotating shafts 13, a third bevel gear 36 is fixedly sleeved at one end of any one of the second rotating shafts 13, a fourth bevel gear 37 is fixedly sleeved at the free end of any one of the piston rods, and the third bevel gear 36 is meshed with the adjacent fourth bevel gear 37; any piston rod is in transmission connection with an output shaft of a third motor fixedly arranged on the baffle 6 through a belt 40, the piston rod is connected with an adjacent vertical rod 9 through a connecting frame 17, and the rotation of the piston rod is not limited by any connecting frame 17; the connecting frame 17 can be of an L-shaped structure, the top of the vertical part is positioned between the baffle 6 and the top of the tank body 1, a lantern ring for a piston rod to penetrate through is fixedly arranged on the vertical part, the piston rod is rotatably connected with the lantern ring, the bottom of the vertical part penetrates through the strip-shaped through hole, the free end of the horizontal part is fixedly connected with the vertical rod 9, and the baffle 6 does not limit the vertical part to move along the radial direction of the tank body 1;
the third motor is driven, the double-rod hydraulic cylinder 16 is driven to rotate along the axis of the double-rod hydraulic cylinder 16 through the belt 40, the pair of second rotating shafts 13 are driven to rotate under the action of gear transmission, the second rotating shafts 13 drive the cross rods 4 to rotate around the axis of the double-rod hydraulic cylinder 4 under the action of gear transmission, the control is convenient, the operation is simpler and more convenient, the extension and retraction of piston rods of the double-rod hydraulic cylinder 16 are controlled, the pair of vertical rods 9 can be controlled to move along the radial direction of the tank body 1, the positions of the first scrapers 5 on the pair of turning mechanisms in the radial direction of the tank body are changed, meanwhile, the disturbance effect of the pair of scraper mechanisms and the pair of turning mechanisms on asphalt materials in the tank body 1 is enhanced, the stirring effect and efficiency are further improved, and the uniformity of discharging is improved;
the rotation of the stirring mechanism is driven by a first motor 8, the rotation of the pair of turning mechanisms along the axis of the tank body 1 and the rotation of the pair of scraping mechanisms along the axis of the tank body 1 are driven by a second motor 15, the rotation of the pair of turning mechanisms around the axis of the cross rod 4 is driven by a third motor, the rotation speed and direction of the stirring mechanism can be respectively controlled by the first motor 8, the second motor 15 and the third motor, the rotation speed and direction of the pair of turning mechanisms along the axis of the tank body 1 and the rotation speed and direction of the pair of scraping mechanisms along the axis of the tank body 1, and the rotation speed and direction of the pair of turning mechanisms around the axis of the cross rod 4 are beneficial to further improving the stirring efficiency and effect, and the uniformity of material discharge is improved; and the control is convenient, and the operation is more simple and convenient.
In another technical solution, the method further comprises:
the bottom of the frame 18 is provided with a wheel set 19, and the tank body 1 is fixedly arranged at the top of the frame 18; realize the removal of road-surfacing device, the construction of the road-surfacing of being convenient for.
In another technical scheme, the discharging mechanism is a discharging hopper 20, the discharging hopper 20 is a heat-insulating hopper, the discharging hopper 20 is positioned below the frame 18 and is fixedly connected with the bottom of the frame 18 in a sealing manner, and a discharging port 21 of the discharging hopper 20 is provided with a first electromagnetic valve 22; the discharging hopper 20 is communicated with the discharging port through the conveying pipe 23, and a conveying pump 24 is arranged on the conveying pipe 23; the asphalt mixture of the misce bene in the jar body 1 gets into down hopper 20 through conveyer pipe 23 under the effect of delivery pump 24, and the blowing is controlled to rethread first solenoid valve 22, and hopper 20 has the effect of drainage down, is favorable to guaranteeing the speed of blowing simultaneously, is favorable to improving the homogeneity of blowing, and then can improve the roughness on road surface, ensures the effect of laying on road surface.
In another technical scheme, a press roller 25 is arranged on one side of the frame 18 in the traveling direction, the press roller 25 is rotatably connected with the frame 18 through a mounting frame 26, a push plate 27 is arranged between the press roller 25 and the blanking hopper 20, and the push plate 27 is positioned below the frame 18 and fixedly connected with the bottom of the frame 18; in the advancing process of the frame 18, the asphalt mixture is placed on the road surface through the discharging hopper 20, then the pushing plate 27 pushes the asphalt mixture in front flat, and finally the pressing roller 25 flattens the asphalt mixture in front, so that the flatness of the road surface is further improved, and the paving effect of the road surface is guaranteed.
In another technical solution, a material pushing mechanism is disposed between the discharging hopper 20 and the push plate 27, and the material pushing mechanism is located below the frame 18 and includes:
a pair of mounts 28 that are provided at intervals in a direction perpendicular to the traveling direction of the frame 18 and are fixedly attached to the bottom of the frame 18;
the screw 29 is horizontally arranged, two ends of the screw are respectively connected with the two fixing frames 28 in a rotating mode, the screw 29 comprises a first part and a second part which are equal in length along the length direction of the screw, threads on the first part and the second part are arranged in a reverse mode, the lengths of the first part and the second part are equal and are half of the distance between the two fixing frames 28, and the projection of the middle point of the length of the screw 29 along the advancing direction of the frame 18 is located on the axis of the blanking hopper 20;
the first part and the second part of the screw 29 are respectively provided with one sliding block 31 in a threaded rotating manner, the top of any sliding block 31 is connected with the frame 18 in a sliding manner, and the frame does not limit the movement of any sliding block in the direction vertical to the advancing direction of the frame 18;
one slide block 31 of the pair of shifting plates 32 is correspondingly provided with one shifting plate 32, any shifting plate 32 is vertically arranged and fixedly connected with the slide block 31 corresponding to the shifting plate, any shifting plate 32 is parallel to the advancing direction of the frame 18, and comb teeth 33 are arranged at the bottom of any shifting plate 32 along the advancing direction of the frame 18;
the fourth motor 30 of drive drives screw 29 and rotates, drives a pair of slider 31 in the perpendicular to the opposite direction and the back of the body motion in the direction of travel of frame 18, and then makes a pair of board 32 move opposite direction and back of the body motion, dials the broach 33 of board 32 bottom and can dial scattered and spread out down hopper 20 and place the bituminous mixture on the road surface, and the push pedal 27 of being convenient for is pushed away the tie, and is favorable to improving the roughness on road surface, ensures the road surface and lays the effect.
In another technical solution, the method further comprises:
the at least one water spraying head is arranged in the tank body 1 and is positioned below the baffle 6, and the water spraying head is communicated with a water inlet pipe; a water outlet pipe is arranged on the tank body 1 and is communicated with the interior of the tank body 1, and a second electromagnetic valve is arranged at one end of the water outlet pipe close to the tank body 1; when the asphalt material is stirred and mixed and the pavement is paved, water is not supplied through the water inlet pipe, and the second electromagnetic valve is closed; when cleaning the jar body 1, drive two pole pneumatic cylinder 16 and make one side of the second scraper blade 10 of a pair of scraper blade mechanism all with jar inner wall contact of body 1, supply water through the inlet tube, the shower nozzle is to jar internal water spray of body 1, drive second motor 15, make a pair of scraper blade mechanism and a pair of mechanism of stirring rotate around the axis of jar body 1, wash the lateral wall and the bottom surface of the inside of the jar body 1 respectively through second scraper blade 10 and first scraper blade 5, the function of cleaning the jar body 1 has, and is easy and simple to handle, and the cleaning efficiency is high, simultaneously through the switching control second solenoid valve adjust the water yield in the jar body 1, guarantee cleaning performance, after the washing is accomplished, through the water outlet pipe discharge water in the jar body 1.
In another kind of technical scheme, it has heating layer 38 and heat preservation 39 to cover in proper order on the lateral wall of the jar body 1 from inside to outside, can heat the pitch material in the jar body 1, is favorable to improving stirring effect and efficiency.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. Road surfacing device, its characterized in that includes:
the tank body is of a hollow cylindrical structure which is vertically arranged; a feed inlet and a discharge outlet are formed in the tank body; the discharge hole is communicated with the discharging mechanism through a conveying pipe;
the stirring mechanism is positioned in the tank body and comprises a first rotating shaft and a plurality of stirring rods, the first rotating shaft and the tank body are coaxially arranged and are rotationally connected with the tank body, and the plurality of stirring rods are fixedly arranged on the first rotating shaft at intervals;
the turning mechanisms are respectively arranged on two sides of the first rotating shaft; any turning mechanism comprises a cross rod and a plurality of first scrapers, the cross rod is horizontally arranged at the bottom of the tank body, the cross rod can rotate around the axis of the first rotating shaft and can also rotate around the axis of the cross rod, and the first scrapers are fixedly arranged on the cross rod at uniform intervals along the circumferential direction of the cross rod.
2. The road paving apparatus of claim 1, further comprising:
the baffle is horizontally connected in the tank body and positioned above the first rotating shaft, and the baffle is rotatably connected with the tank body;
the sleeve is positioned in the tank body and coaxially and rotatably sleeved outside the first rotating shaft; one end of any cross rod is connected with the sleeve in a sealing and rotating way;
a pair of scraper mechanisms positioned on both sides of the first rotating shaft; any scraper mechanism comprises a vertical rod, a second scraper and a plurality of spoilers, the vertical rod is vertically arranged below the baffle, the top of the vertical rod is connected with the baffle, and the bottom of the vertical rod is provided with an accommodating cavity; the second scraper is fixedly arranged on one side of the vertical rod far away from the first rotating shaft and is of a long strip-shaped structure, and one side of the second scraper can be in contact with the inner side wall of the tank body; the spoilers are fixedly arranged on the other side, close to the first rotating shaft, of the vertical rod at intervals in the vertical direction, any one of the spoilers is vertically arranged, the spoilers on one vertical rod and the spoilers on the other vertical rod are arranged in a staggered mode, and any one of the spoilers and any one of the stirring rods are not interfered with each other;
one vertical rod of the pair of second rotating shafts is correspondingly provided with one second rotating shaft, any one second rotating shaft is coaxially and rotatably sleeved in the corresponding vertical rod, one end of any one second rotating shaft is positioned between the baffle and the top surface of the tank body, and the other end of the other second rotating shaft vertically extends downwards to the accommodating cavity corresponding to the other second rotating shaft; the other end of any cross rod extends into the corresponding accommodating cavity along the radial direction of the tank body, and the other end of the second rotating shaft in the same accommodating cavity is in transmission connection with the other end of the cross rod through a gear; any cross rod is connected with the corresponding vertical rod in a sealing and rotating way.
3. The pavement paving device according to claim 2, wherein one end of the first rotating shaft is rotatably connected with the baffle plate, and the other end of the first rotating shaft extends vertically and downwardly, sequentially penetrates through the sleeve and the bottom of the tank body, and is connected with an output shaft of a first motor fixedly arranged below the tank body; the first rotating shaft is connected with the sleeve and the bottom of the tank body in a sealing and rotating manner.
4. The pavement paving device according to claim 3, wherein any cross bar is a telescopic bar, any first scraper does not limit the extension and retraction of the cross bar corresponding to the cross bar along the radial direction of the tank body, the first scraper on one cross bar and the first scraper on the other cross bar are arranged in a staggered manner along the radial direction of the tank body, and one side of any first scraper can be in contact with the bottom surface of the tank body; the top of any vertical rod is connected with the baffle in a sliding manner, and the baffle does not limit the radial movement of any vertical rod along the tank body;
the road surface laying device further comprises:
one end of the third rotating shaft is fixedly arranged on the top surface of the baffle plate, the other end of the third rotating shaft vertically and upwards extends through the top surface of the tank body and is connected with an output shaft of a second motor fixedly arranged on the top of the tank body, the third rotating shaft is coaxially arranged with the tank body, and the third rotating shaft is in sealed rotary connection with the top of the tank body;
the cylinder body of the double-rod hydraulic cylinder is rotatably arranged on the third rotating shaft, and the free ends of two piston rods of the double-rod hydraulic cylinder are respectively in transmission with one end of the pair of second rotating shafts through a gear; any piston rod is in transmission connection with an output shaft of a third motor fixedly arranged on the baffle plate through a belt, the piston rod is connected with an adjacent vertical rod through a connecting frame, and the rotation of the piston rod is not limited by any connecting frame.
5. The road paving apparatus of claim 1, further comprising:
the bottom of the frame is provided with a wheel set, and the tank body is fixedly arranged at the top of the frame.
6. The pavement paving device according to claim 5, wherein the discharging mechanism is a discharging hopper, the discharging hopper is positioned below the vehicle frame and is fixedly connected with the bottom of the vehicle frame in a sealing way, and a first electromagnetic valve is arranged at a discharging opening of the discharging hopper; the discharging hopper is communicated with the discharging port through the conveying pipe, and the conveying pump is arranged on the conveying pipe.
7. The pavement paving device as claimed in claim 6, wherein a press roller is provided on one side of the frame in the traveling direction, the press roller is rotatably connected to the frame through a mounting bracket, a push plate is provided between the press roller and the blanking hopper, and the push plate is located below the frame and is fixedly connected to the bottom of the frame.
8. The road paving device of claim 7, wherein a material ejecting mechanism is provided between the blanking hopper and the push plate, the material ejecting mechanism is located below the vehicle frame, and the material ejecting mechanism comprises:
the pair of fixing frames are arranged at intervals along the direction vertical to the advancing direction of the frame and are fixedly connected with the bottom of the frame;
the screw rod is horizontally arranged, two ends of the screw rod are respectively and rotationally connected with the two fixing frames, the screw rod comprises a first part and a second part which are equal in length along the length direction of the screw rod, and threads on the first part and the second part are reversely arranged;
the first part and the second part of the screw rod are respectively sleeved with a sliding block in a threaded rotating manner, and the top of any sliding block is connected with the frame in a sliding manner;
one sliding block of each shifting plate is correspondingly provided with one shifting plate, any shifting plate is vertically arranged and fixedly connected with the corresponding sliding block, any shifting plate is parallel to the advancing direction of the frame, and comb teeth are arranged at the bottom of any shifting plate along the advancing direction of the frame.
9. The road paving apparatus of claim 4, further comprising:
the at least one water spraying head is arranged in the tank body and is positioned below the baffle, and the water spraying head is communicated with the water inlet pipe; the tank body is provided with a water outlet pipe, the water outlet pipe is communicated with the inside of the tank body, and one end of the water outlet pipe, which is close to the tank body, is provided with a second electromagnetic valve.
10. The road paving apparatus of claim 1, wherein the outer side wall of the tank body is covered with a heating layer and an insulating layer in sequence from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110954970.5A CN113737610A (en) | 2021-08-19 | 2021-08-19 | Road surface paving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110954970.5A CN113737610A (en) | 2021-08-19 | 2021-08-19 | Road surface paving device |
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| Publication Number | Publication Date |
|---|---|
| CN113737610A true CN113737610A (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110954970.5A Pending CN113737610A (en) | 2021-08-19 | 2021-08-19 | Road surface paving device |
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| Country | Link |
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| CN (1) | CN113737610A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114405938A (en) * | 2021-12-20 | 2022-04-29 | 山东中车华腾环保科技有限公司 | Pipeline cleaning structure and device |
| CN115287981A (en) * | 2022-05-05 | 2022-11-04 | 余善珍 | Asphalt pavement construction process |
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| CN114405938A (en) * | 2021-12-20 | 2022-04-29 | 山东中车华腾环保科技有限公司 | Pipeline cleaning structure and device |
| CN115287981A (en) * | 2022-05-05 | 2022-11-04 | 余善珍 | Asphalt pavement construction process |
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Application publication date: 20211203 |