CN108589605A - A kind of preposition obstacle cleaning plant of road roller - Google Patents

A kind of preposition obstacle cleaning plant of road roller Download PDF

Info

Publication number
CN108589605A
CN108589605A CN201810429710.4A CN201810429710A CN108589605A CN 108589605 A CN108589605 A CN 108589605A CN 201810429710 A CN201810429710 A CN 201810429710A CN 108589605 A CN108589605 A CN 108589605A
Authority
CN
China
Prior art keywords
head
steel wheel
cleaning head
connecting pole
cleaning
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.)
Pending
Application number
CN201810429710.4A
Other languages
Chinese (zh)
Inventor
王庆云
张伟
张�杰
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.)
Wuhu Chaoyuanli Industrial Design Co Ltd
Original Assignee
Wuhu Chaoyuanli Industrial Design 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 Wuhu Chaoyuanli Industrial Design Co Ltd filed Critical Wuhu Chaoyuanli Industrial Design Co Ltd
Priority to CN201810429710.4A priority Critical patent/CN108589605A/en
Publication of CN108589605A publication Critical patent/CN108589605A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/02Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
    • E01H1/05Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes
    • E01H1/053Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes having vertical axes
    • 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
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23Rollers therefor; Such rollers usable also for compacting soil

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)

Abstract

The invention discloses a kind of preposition obstacle cleaning plants of road roller, including car body, steel wheel, first cleaning head and spades, the side of the steel wheel, which is provided with, ships and resell on another market, it is fixedly welded with spades between first connecting pole and the second connecting pole, the fixed plate is welded between the first connecting pole and the second connecting pole, one end of the fixed plate is welded with shovel head and sieve, the bottom of the bristle mounting head is equipped with bristle, telescopic rod is installed at the top of the bristle mounting head, the top of second cleaning head is connect with motor bottom shaft, it is connected by the second belt between second synchronizing wheel and the 4th synchronizing wheel.Present invention ground when steel wheel flattens carried out cleaning, and there is no the harder sundries of quality such as stone so that steel wheel presses road effect more preferable, the evenness of road surface pressed out is clean, it is beautiful and generous, while this operation also avoids damage of the sundries to steel wheel pressure surface, increases the service life of steel wheel.

Description

A kind of preposition obstacle cleaning plant of road roller
Technical field
The present invention relates to road roller technical field, specially a kind of preposition obstacle cleaning plant of road roller.
Background technology
Currently, road roller is for repairing the roads, very universal, road roller is made of a huge heavy steel wheel, is utilized The weight of steel wheel carries out the pressing on road surface, but there are sundries on general road surface to be repaired, such as stone, leaf, polybag Deng, if steel wheel is crossed from the road surface with sundries, will by these sundries be pressed into ground, this very unsightly, if Can also damage be generated to steel wheel face so that steel wheel face becomes out-of-flatness, influences next use if these sundries hardness are big.
Invention content
The purpose of the present invention is to provide a kind of preposition obstacle cleaning plants of road roller, have cleaning road debris, prevent The advantages of steel wheel damages, solves the problems of the prior art.
To achieve the above object, the present invention provides the following technical solutions:A kind of preposition obstacle cleaning plant of road roller, including Car body, steel wheel, the first cleaning head and spades, one end bottom of the car body, which is provided with, scrapes a fixing device, and the head of scraping is fixed The bottom of device is installed with connecting rod, one end of the connecting rod, which is fixedly welded with, scrapes head, a fixing device of scraping Side is provided with steel wheel installation part, and steel wheel installation axle is equipped on the steel wheel installation part, is equipped in the steel wheel installation axle Steel wheel, the side of the steel wheel, which is provided with, ships and resell on another market, it is described ship and resell on another market on the first connecting pole and the second connecting pole be installed, described first Spades is fixedly welded between connecting pole and the second connecting pole, the spades includes fixed plate, shovel head and sieve, the fixed plate It is welded between the first connecting pole and the second connecting pole, one end of the fixed plate is welded with shovel head and sieve, and described first connects The side for connecing column and the second connecting pole is provided with the first engaging lug, and cylinder is connected on first engaging lug, the cylinder The other end is connect with the second engaging lug, and the second engaging lug is welded on the bottom of car body, and the side of second engaging lug is pacified respectively Equipped with the first cleaning head, the second cleaning head and third cleaning head, first cleaning head include bristle, stop collar, telescopic rod and The bottom of bristle mounting head, the bristle mounting head is equipped with bristle, and telescopic rod, institute are equipped at the top of the bristle mounting head The bottom that stop collar is fixed on car body is stated, the telescopic rod is mounted on the inside of stop collar, and the top of telescopic rod is through car body Bottom is fixedly connected with first rotating shaft, and the top of the third cleaning head is connect with the second shaft, is installed in the first rotating shaft There is the first synchronizing wheel, the second synchronizing wheel is installed in second shaft, top and the motor bottom of second cleaning head turn Axis connection, is separately installed with third synchronizing wheel and the 4th synchronizing wheel in the motor bottom shaft, first synchronizing wheel and the It is connected by the first belt between three synchronizing wheels, is connected by the second belt between second synchronizing wheel and the 4th synchronizing wheel.
Preferably, the shovel head and sieve, which interlock, is welded on one end of fixed plate.
Preferably, the motor is mounted on the inside of car body.
Preferably, first cleaning head, the second cleaning head and third cleaning head are mounted on the side that steel wheel advances with spades To side.
Preferably, the most bottom of the lowermost end of first cleaning head, the second cleaning head, third cleaning head and spades and steel wheel End is in same level.
Compared with prior art, beneficial effects of the present invention are as follows:
The beneficial effects of the present invention are:Before steel wheel carries out pressure road, first pass through the first cleaning head, the second cleaning head, Third cleaning head cleans ground, has cleared away the sundries such as ground fallen leaves, dust and polybag, and and then spades carries out work Make, by ground stone or protrusion shovel fall, sieve is provided on spades, dust can be sieved down, at this time ground into Preliminary cleaning is gone, Land leveling, last steel wheel is flattened, and ground carried out cleaning when steel wheel flattens, and there is no stones etc. The harder sundries of quality so that steel wheel presses road effect more preferable, and the evenness of road surface pressed out is clean, beautiful and generous, while this behaviour Damage of the sundries to steel wheel pressure surface is also avoided, the service life of steel wheel is increased.
Description of the drawings
Fig. 1 is the front view of the present invention;
Fig. 2 is the side view of the present invention;
Fig. 3 is the spades structure chart of the present invention.
In figure:1 car body, 2 steel wheel installation axles, 3 steel wheel installation parts, 4 scrape a fixing device, 5 connecting rods, 6 scrape head, 7 steel wheels, 8 ship and resell on another market, 9 first connecting poles, 10 spades, 101 fixed plates, 102 shovel heads, 103 sieves, 11 cylinders, 12 motors, 13 second connections Ear, 14 first engaging lugs, 15 third cleaning heads, 16 second cleaning heads, 17 first cleaning heads, 171 bristles, 172 stop collars, 173 Telescopic rod, 174 bristle mounting heads, 18 first rotating shafts, 19 first synchronizing wheels, 20 first belts, 21 third synchronizing wheels, 22 the 4th are together Walk wheel, 23 second belts, 24 second shafts, 25 second synchronizing wheels, 26 second connecting poles.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1-3, a kind of preposition obstacle cleaning plant of road roller, including car body 1, steel wheel 7,17 and of the first cleaning head Spades 10, one end bottom of car body 1, which is provided with, scrapes a fixing device 4, and the bottom for scraping a fixing device 4 is installed with connecting rod 5, one end of connecting rod 5, which is fixedly welded with, scrapes first 6, and the side for scraping a fixing device 4 is provided with steel wheel installation part 3, steel wheel installation Steel wheel installation axle 2 is installed on part 3, steel wheel 7 is installed in steel wheel installation axle 2, the side of steel wheel 7, which is provided with, ships and resell on another market 8, ships and resell on another market 8 On the first connecting pole 9 and the second connecting pole 26 are installed, be fixedly welded with spades between the first connecting pole 9 and the second connecting pole 26 10, spades 10 includes fixed plate 101, shovel head 102 and sieve 103, and fixed plate 101 is welded on the connection of the first connecting pole 9 and second Between column 26, one end of fixed plate 101 is welded with shovel head 102 and sieve 103, and shovel head 102 and sieve 103 are staggeredly welded on fixation The side of one end of plate 101, the first connecting pole 9 and the second connecting pole 26 is provided with the first engaging lug 14, on the first engaging lug 14 It is connected with cylinder 11, the other end of cylinder 11 is connect with the second engaging lug 13, and the second engaging lug 13 is welded on the bottom of car body 1, Cylinder 11 is flexible, and spades 10 is driven to move up and down, and facilitates spades 10 to adjust height, the side of the second engaging lug 13 is separately installed with First cleaning head 17, the second cleaning head 16 and third cleaning head 15, the first cleaning head 17, the second cleaning head 16 and third cleaning head 15 are mounted on the direction side that steel wheel 7 advances with spades 10, convenient to clean road obstacle before steel wheel 7 presses road, avoid steel 7 damage of wheel, the first cleaning head 17, the second cleaning head 16, third cleaning head 15 and spades 10 lowermost end and steel wheel 7 lowermost end In same level, the first cleaning head 17 includes bristle 171, stop collar 172, telescopic rod 173 and bristle mounting head 174, bristle The bottom of mounting head 174 is equipped with bristle 171, and the top of bristle mounting head 174 is equipped with telescopic rod 173, and stop collar 172 is fixed In the bottom of car body 1, telescopic rod 173 is mounted on the inside of stop collar 172, the top of telescopic rod 173 through the bottom of car body 1 with First rotating shaft 18 is fixedly connected, and the top of third cleaning head 15 is connect with the second shaft 24, and first is equipped in first rotating shaft 18 Synchronizing wheel 19, the second synchronizing wheel 25 is equipped in the second shaft 24, and top and the 12 bottom shaft of motor of the second cleaning head 16 connect It connects, motor 12 is mounted on the inside of car body 1, and third synchronizing wheel 21 and the 4th synchronizing wheel are separately installed in 12 bottom shaft of motor 22, it is connected by the first belt 20 between the first synchronizing wheel 19 and third synchronizing wheel 21, the second synchronizing wheel 25 and the 4th synchronizing wheel It is connected by the second belt 23 between 22, motor 12 rotates, and three cleaning heads are driven by the first belt 20 and the second belt 23 Rotation facilitates and cleans the lightweights obstacles such as ground fallen leaves, and after cleaning head is swept, spades 10 works, by the stone on ground Son or protrusion shovel fall, facilitate below steel wheel 7 pressing operation is carried out to ground, the present apparatus is first led to before steel wheel 7 carries out pressure road The first cleaning head 17, the second cleaning head 16, third cleaning head 15 is crossed to clean ground, cleared away ground fallen leaves, dust and The sundries such as polybag, and then spades 10 work, by ground stone or protrusion shovel fall, sieve is provided on spades 10 Net 103 can sieve down dust, and preliminary cleaning, Land leveling has been carried out in ground at this time, and last steel wheel 7 is flattened, steel Ground carried out cleaning when wheel 7 flattens, and there is no the harder sundries of quality such as stone so that steel wheel 7 presses road effect more preferable, extrudes The evenness of road surface come is clean, beautiful and generous, while this operation also avoids damage of the sundries to 7 pressure surface of steel wheel, increases steel The service life of wheel 7.
The preposition obstacle cleaning plant of this road roller first passes through the first cleaning head 17, second before steel wheel 7 carries out pressure road Cleaning head 16, third cleaning head 15 clean ground, have cleared away the sundries such as ground fallen leaves, dust and polybag, and then Spades 10 works, by ground stone or protrusion shovel fall, sieve 103 is provided on spades 10, dust can be sieved Under, preliminary cleaning, Land leveling has been carried out in ground at this time, and last steel wheel 7 is flattened, and ground carries out when steel wheel 7 flattens Cleaning is crossed, there is no the harder sundries of quality such as stone so that steel wheel 7 presses road effect more preferable, and the evenness of road surface pressed out is clean, It is beautiful and generous, while this operation also avoids damage of the sundries to 7 pressure surface of steel wheel, increases the service life of steel wheel 7.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. a kind of preposition obstacle cleaning plant of road roller, including car body (1), steel wheel (7), the first cleaning head (17) and spades (10), it is characterised in that:One end bottom of the car body (1), which is provided with, scrapes a fixing device (4), described to scrape a fixing device (4) bottom is installed with connecting rod (5), and one end of the connecting rod (5), which is fixedly welded with, scrapes head (6), and the head of scraping is consolidated The side for determining device (4) is provided with steel wheel installation part (3), and steel wheel installation axle (2), institute are equipped on the steel wheel installation part (3) It states and steel wheel (7) is installed in steel wheel installation axle (2), the side of the steel wheel (7) is provided with ship and resell on another market (8), and described ship and resell on another market is pacified on (8) Equipped with the first connecting pole (9) and the second connecting pole (26), fixed weldering between first connecting pole (9) and the second connecting pole (26) It is connected to spades (10), the spades (10) includes fixed plate (101), shovel head (102) and sieve (103), the fixed plate (101) It is welded between the first connecting pole (9) and the second connecting pole (26), one end of the fixed plate (101) is welded with shovel head (102) With sieve (103), the side of first connecting pole (9) and the second connecting pole (26) is provided with the first engaging lug (14), described Cylinder (11) is connected on first engaging lug (14), the other end of the cylinder (11) is connect with the second engaging lug (13), and second Engaging lug (13) is welded on the bottom of car body (1), and the side of second engaging lug (13) is separately installed with the first cleaning head (17), the second cleaning head (16) and third cleaning head (15), first cleaning head (17) include bristle (171), stop collar (172), the bottom of telescopic rod (173) and bristle mounting head (174), the bristle mounting head (174) is equipped with bristle (171), Telescopic rod (173) is installed, the stop collar (172) is fixed on the bottom of car body (1) at the top of the bristle mounting head (174) Portion, the telescopic rod (173) are mounted on the inside of stop collar (172), and the bottom of car body (1) is run through at the top of telescopic rod (173) It is fixedly connected with first rotating shaft (18), the top of the third cleaning head (15) is connect with the second shaft (24), described first turn First synchronizing wheel (19) is installed on axis (18), the second synchronizing wheel (25) is installed on second shaft (24), described second The top of cleaning head (16) is connect with motor (12) bottom shaft, and it is same to be separately installed with third in the shaft of motor (12) bottom Step wheel (21) and the 4th synchronizing wheel (22), pass through the first belt between first synchronizing wheel (19) and third synchronizing wheel (21) (20) it connects, is connect by the second belt (23) between second synchronizing wheel (25) and the 4th synchronizing wheel (22).
2. the preposition obstacle cleaning plant of a kind of road roller according to claim 1, it is characterised in that:The shovel head (102) Interlock with sieve (103) and is welded on one end of fixed plate (101).
3. the preposition obstacle cleaning plant of a kind of road roller according to claim 1, it is characterised in that:Motor (12) peace Inside mounted in car body (1).
4. the preposition obstacle cleaning plant of a kind of road roller according to claim 1, it is characterised in that:First cleaning head (17), the second cleaning head (16) and third cleaning head (15) are mounted on the direction side that steel wheel (7) advances with spades (10).
5. the preposition obstacle cleaning plant of a kind of road roller according to claim 1, it is characterised in that:First cleaning head (17), the lowermost end of the lowermost end of the second cleaning head (16), third cleaning head (15) and spades (10) and steel wheel (7) is in same water Plane.
CN201810429710.4A 2018-05-08 2018-05-08 A kind of preposition obstacle cleaning plant of road roller Pending CN108589605A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810429710.4A CN108589605A (en) 2018-05-08 2018-05-08 A kind of preposition obstacle cleaning plant of road roller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810429710.4A CN108589605A (en) 2018-05-08 2018-05-08 A kind of preposition obstacle cleaning plant of road roller

Publications (1)

Publication Number Publication Date
CN108589605A true CN108589605A (en) 2018-09-28

Family

ID=63635707

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810429710.4A Pending CN108589605A (en) 2018-05-08 2018-05-08 A kind of preposition obstacle cleaning plant of road roller

Country Status (1)

Country Link
CN (1) CN108589605A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110438871A (en) * 2019-07-23 2019-11-12 郑丹丹 A kind of highway construction is rolling bulldozed equipment with road surface
CN111001113A (en) * 2019-10-09 2020-04-14 山东建筑大学 Hydraulic control fire-fighting robot
CN112127304A (en) * 2020-09-30 2020-12-25 瞿启芳 Road gap cleaning device
CN112442935A (en) * 2019-08-28 2021-03-05 徐州维尔德科技发展有限公司 Road leveling mechanical device
CN113605351A (en) * 2021-09-09 2021-11-05 盐城市兴都市政工程建设有限公司 Intelligent rolling forming device for roadbed
CN114892473A (en) * 2022-05-06 2022-08-12 交通运输部公路科学研究所 A soil-based intelligent compaction device for an airport prefabricated runway and its use method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998028495A1 (en) * 1996-12-21 1998-07-02 Wacker-Werke Gmbh & Co. Kg Device for cleaning the tire of a roller
CN204401411U (en) * 2014-12-19 2015-06-17 长安大学 A kind of multi-functional formula road roller carrying cleaning device
CN107034771A (en) * 2017-04-28 2017-08-11 成都聚智工业设计有限公司 Road roller with cleaning mechanism
CN107059722A (en) * 2017-05-27 2017-08-18 周风云 A kind of high-efficiency cleaning Multifunctional floor-sweeping car
CN107386068A (en) * 2017-09-15 2017-11-24 刘丽 A kind of road roller that can clear up road surface in advance
CN206800490U (en) * 2017-05-11 2017-12-26 重庆三峡学院 A kind of new scraper bowl of civil engineering
CN206887714U (en) * 2017-04-11 2018-01-16 嘉兴市长三角建设有限公司 A kind of road chippings road roller

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998028495A1 (en) * 1996-12-21 1998-07-02 Wacker-Werke Gmbh & Co. Kg Device for cleaning the tire of a roller
CN204401411U (en) * 2014-12-19 2015-06-17 长安大学 A kind of multi-functional formula road roller carrying cleaning device
CN206887714U (en) * 2017-04-11 2018-01-16 嘉兴市长三角建设有限公司 A kind of road chippings road roller
CN107034771A (en) * 2017-04-28 2017-08-11 成都聚智工业设计有限公司 Road roller with cleaning mechanism
CN206800490U (en) * 2017-05-11 2017-12-26 重庆三峡学院 A kind of new scraper bowl of civil engineering
CN107059722A (en) * 2017-05-27 2017-08-18 周风云 A kind of high-efficiency cleaning Multifunctional floor-sweeping car
CN107386068A (en) * 2017-09-15 2017-11-24 刘丽 A kind of road roller that can clear up road surface in advance

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110438871A (en) * 2019-07-23 2019-11-12 郑丹丹 A kind of highway construction is rolling bulldozed equipment with road surface
CN112442935A (en) * 2019-08-28 2021-03-05 徐州维尔德科技发展有限公司 Road leveling mechanical device
CN111001113A (en) * 2019-10-09 2020-04-14 山东建筑大学 Hydraulic control fire-fighting robot
CN111001113B (en) * 2019-10-09 2021-06-01 山东建筑大学 A hydraulically controlled fire fighting robot
CN112127304A (en) * 2020-09-30 2020-12-25 瞿启芳 Road gap cleaning device
CN113605351A (en) * 2021-09-09 2021-11-05 盐城市兴都市政工程建设有限公司 Intelligent rolling forming device for roadbed
CN113605351B (en) * 2021-09-09 2022-12-20 盐城市兴都市政工程建设有限公司 Intelligent rolling forming device for roadbed
CN114892473A (en) * 2022-05-06 2022-08-12 交通运输部公路科学研究所 A soil-based intelligent compaction device for an airport prefabricated runway and its use method

Similar Documents

Publication Publication Date Title
CN108589605A (en) A kind of preposition obstacle cleaning plant of road roller
CN108797502A (en) A kind of snowslinger with novel cleaning brush
CN212128749U (en) Roller cleaning equipment of road roller
CN210766319U (en) Highway bridge maintains prosthetic devices
CN107034824A (en) A kind of sweep brush
CN209429024U (en) A kind of pavement cleaning vehicle
CN108589902B (en) Device convenient to mediation sewer
CN102979057A (en) Special snow remover for road pavements and residential districts
CN114277811A (en) Geotechnical engineering administers slope reinforcing apparatus with landslide prevention
CN208395619U (en) A kind of adjustable road roller for building
CN216999725U (en) Hydraulic engineering's concrete flattening equipment
CN108411739B (en) Road is laid and is used concrete processingequipment convenient to it is clean
CN106192848A (en) A kind of multifunctional stereo Environmental sanitation cleaning vehicle
CN215441678U (en) Road surface is motor sweeper for clearance
CN113846577A (en) Road and bridge crack reinforcing apparatus in highway construction process
CN213681585U (en) Grinding wheel structure of road roller
CN211898118U (en) Gantry type ice sweeping and pouring all-in-one machine
CN210946399U (en) Pre-cleaning device of road roller
CN209652854U (en) A kind of highway construction curing means
CN221118362U (en) Road surface cleaning device that highway maintenance was used
CN218175498U (en) Town road roadbed construction device
CN219908465U (en) Road engineering pavement pressing practical road roller
CN110593343A (en) Building engineering foundation silt cleaning device
CN206986824U (en) A kind of road deicing curing means
CN215043223U (en) Track shoe with self-cleaning function

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20180928

RJ01 Rejection of invention patent application after publication