CN109183775A - A kind of building site ground compacting device for reducing dust - Google Patents

A kind of building site ground compacting device for reducing dust Download PDF

Info

Publication number
CN109183775A
CN109183775A CN201811239560.7A CN201811239560A CN109183775A CN 109183775 A CN109183775 A CN 109183775A CN 201811239560 A CN201811239560 A CN 201811239560A CN 109183775 A CN109183775 A CN 109183775A
Authority
CN
China
Prior art keywords
bevel gear
gear
fixedly connected
ground
roller
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
CN201811239560.7A
Other languages
Chinese (zh)
Inventor
刘景岳
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201811239560.7A priority Critical patent/CN109183775A/en
Publication of CN109183775A publication Critical patent/CN109183775A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02Improving by compacting
    • E02D3/046Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06Spray cleaning

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention discloses a kind of building site ground to tamp device for reducing dust, driving motor lower output side is rotatablely connected semicircle bevel gear, semicircle bevel gear half half with teeth is anodontia, bevel gear is respectively arranged at left and right sides of semicircle bevel gear, bevel gear engages semicircle bevel gear toothed portion, and bevel gear is fixedly connected with shaft;The shaft left end is fixedly connected with gear wheel, pinion mate below gear wheel, and pinion gear is fixed on worm screw right end, engaging worm wheel above worm screw, and worm gear is fixed on take-up roller side;Cable wire, cable wire end connection compacting plate are wound on the take-up roller.Back and forth the shaft of positive and negative rotation is simultaneously with dynamic crankshaft and worm screw rotation, and the worm screw drive worm gear and take-up roller of rotation, which rotate progress folding and unfolding cable wire and drive to tamp plate and back and forth move up and down, tamps ground, while the crankshaft drive plunger of rotation is moved up and down and sprayed water.

Description

A kind of building site ground compacting device for reducing dust
Technical field
The present invention relates to a kind of building machinery, device for reducing dust is tamped with ground in specifically a kind of building site.
Background technique
As environmental consciousness is gradually increased in people, air pollution treatment problem is increasingly prominent, it is well known that atmosphere is dirty Contaminate influence to human body, be first it is sensuously uncomfortable, then physiologically there is invertibity reaction, further occur as soon as acute Hazard symptoms.Atmosphere pollution is broadly divided into acute poisoning, slow poisoning, three kinds carcinogenic to the harm of people.
It is frequently present of fugitive dust on building sites, because often needing to construct using all kinds of heavy-duty machineries on construction site, most Common is rammer compacter, and the main function of rammer compacter is that compacting and smooth is carried out to exposed bottom surface, for building foundation It is particularly significant, but existing rammer compacter can generate biggish dust while being tamped, and not utilize environmental protection, even It will cause construction worker's illness.
Summary of the invention
The purpose of the present invention is to provide a kind of building site ground to tamp device for reducing dust, to solve above-mentioned background technique The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme:
Device for reducing dust is tamped on a kind of building site ground, including bottom plate, driving motor, take-up roller, compacting plate, water spray chamber and Bucket;Top is equipped with driving motor, driving motor wire connecting power and switch in the middle part of bottom plate, and the driving motor lower part is defeated Outlet is rotatablely connected semicircle bevel gear, and semicircle bevel gear half half with teeth is anodontia, is respectively set at left and right sides of semicircle bevel gear There is bevel gear, bevel gear engages semicircle bevel gear toothed portion, and bevel gear is fixedly connected with shaft;The shaft left end is fixedly connected Gear wheel, gear wheel lower section pinion mate, pinion gear are fixed on worm screw right end, engaging worm wheel above worm screw, and worm gear is fixed on Take-up roller side;Cable wire, cable wire end connection compacting plate are wound on the take-up roller.
As a further solution of the present invention: being provided with water spray chamber on the right side of the driving motor, shaft right end is fixedly connected Crankshaft, fitting connecting rod lower end at crankshaft middle bent, small end are rotatablely connected plunger, and plunger edge seal is slidably connected water spray Chamber interior wall, and bucket is equipped on the right side of water spray chamber, bucket is fixedly connected with bottom plate.
As further scheme of the invention: passing through conduit unilaterally connected, specific list above the bucket and water spray chamber It is check valve unilaterally connected to mode of communicating, unilaterally connected spray head on the left of water spray chamber, bucket top is provided with water filling port.
As further scheme of the invention: the bottom plate following four corners is rotatably connected to idler wheel, take-up roller two sides With disk, two side discs are fixedly connected between middle part by connecting shaft.
As further scheme of the invention: the circumferentially equidistant multiple wire winding poles of distribution of connecting shaft, wire winding pole both ends It is respectively fixedly connected with the disk of two sides.
As further scheme of the invention: top is fixedly connected with column on the left of the bottom plate, and the upper end of the column is fixed to be connected Top plate is connect, top plate two sides are rotatablely connected pulley respectively, and top plate center upper portion is fixedly connected with sleeve, and cable wire is bonded the cunning of top plate two sides It takes turns and passes through sleeve.
As further scheme of the invention: the compacting plate is made using cast iron quality.
Compared with prior art, the beneficial effects of the present invention are: the device is driven simultaneously using the shaft of reciprocal positive and negative rotation Crankshaft and worm screw rotation, the worm screw of rotation drive worm gear and the rotation of take-up roller to carry out folding and unfolding cable wire drive compacting plate back and forth up and down Ground is tamped in movement, while the crankshaft drive plunger rotated is moved up and down and sprayed water, and the water mist of ejection is flat to compacting Plate tamps generated dust and degrades, and prevents fugitive dust, realizes compacting and one body function of depositing dust.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that device for reducing dust is tamped on building site ground.
Fig. 2 is the structural schematic diagram that take-up roller in device for reducing dust is tamped on building site ground.
Fig. 3 is the left view that top plate and pulley in device for reducing dust are tamped in building site ground.
In figure: 1- bottom plate;2- driving motor;3- semicircle bevel gear;4- bevel gear;5- shaft;6- gear wheel;The small tooth of 7- Wheel;8- worm screw;9- worm gear;10- take-up roller;11- cable wire;12- column;13- top plate;14- pulley;15- sleeve;16- compacting is flat Plate;17- crankshaft;18- connecting rod;19- plunger;20- water spray chamber;21- bucket;22- spray head;23- idler wheel;24- connecting shaft;25- around Line bar.
Specific embodiment
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 description, 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.
Embodiment 1
Please refer to Fig. 1~3, in the embodiment of the present invention, device for reducing dust, including bottom plate 1, driving are tamped in a kind of building site ground Motor 2, take-up roller 10, compacting plate 16, water spray chamber 20 and bucket 21;The 1 middle part top of bottom plate is equipped with driving motor 2, 2 wire connecting power of driving motor and switch, 2 lower output side of driving motor are rotatablely connected semicircle bevel gear 3, semicircle bevel gear 3 half half with teeth is anodontia, and bevel gear 4 is respectively arranged at left and right sides of semicircle bevel gear 3, and bevel gear 4 engages semicircle bevel gear 3 Toothed portion, bevel gear 4 are fixedly connected with shaft 5, press switch so that driving motor 7, which is powered on, drives output end driving semicircle Bevel gear 3 rotates and then the bevel gear 4 of the left and right sides is driven back and forth to rotate and reverse, and bevel gear 4 drives shaft 5 reciprocal positive and negative Turn;5 left end of shaft is fixedly connected with gear wheel 6,6 lower section pinion mate 7 of gear wheel, and it is right that pinion gear 7 is fixed on worm screw 8 End, worm screw 8 are rotatablely connected bottom plate 1,8 top engaging worm wheel 9 of worm screw, and worm gear 9 is fixed on 10 side of take-up roller, and take-up roller 10 rotates The shaft 5 of connecting bottom board 1, reciprocal positive and negative rotation drives the reciprocal positive and negative rotation of worm screw 8 by gear wheel 6 and pinion gear 7, and worm screw 8 drives Worm gear 9 and the reciprocal positive and negative rotation of take-up roller 10.
Cable wire 11 is wound on the take-up roller 10,1 left side top of bottom plate is fixedly connected with column 12, and 12 upper end of column is fixed Top plate 13 is connected, 13 two sides of top plate are rotatablely connected pulley 14 respectively, and 13 center upper portion of top plate is fixedly connected with sleeve 15, and cable wire 11 pastes It closes the pulley 14 of 13 two sides of top plate and passes through sleeve 15, wherein 11 end of cable wire connection compacting plate 16, specifically, compacting Plate 16 is made using cast iron quality, and the take-up roller 10 of reciprocal positive and negative rotation drives compacting plate 16 past by the folding and unfolding to cable wire 11 It moves up and down again and ground is tamped, since Worm Wheel System has one-way self-locking, therefore i.e. when worm screw 8 stops operating So that compacting plate 16 is located at eminence will not fall under the effect of gravity, more securely and reliably.
Water spray chamber 20 is provided on the right side of the driving motor 2,5 right end of shaft is fixedly connected with crankshaft 17, and 17 middle part of crankshaft is curved 18 lower end of fitting connecting rod at song, 18 upper end of connecting rod are rotatablely connected plunger 19, and 19 edge seal of plunger is slidably connected in water spray chamber 20 Wall, and bucket 21 is equipped on the right side of water spray chamber 20, bucket 21 is fixedly connected with bottom plate 1, and bucket 21 is led with passing through above water spray chamber 20 Pipe unilaterally connected, specific unilaterally connected mode are check valve unilaterally connected, 20 left side unilaterally connected spray head 22 of water spray chamber, bucket 21 tops are provided with water filling port, and the shaft 5 of rotation rotates with dynamic crankshaft 17 and then connecting rod 18 is driven to push plunger 19 reciprocal up and down Sliding, plunger 19 slides so that the aqueous in bucket 21, which constantly flows into be sprayed by spray head 22 again in water spray chamber 20, carries out spray drop Dirt reaches compacting one body function of depositing dust.
Embodiment 2
In order to keep the connection relationship of all parts in the application more detailed-oriented to guarantee technical solution employed in the application It is open more abundant, make further supplement and explanation, specifically, supplement and explanation on the basis of present above-described embodiment 1 Partial technical characteristic is, 1 following four corners of bottom plate is rotatably connected to idler wheel 23, and 10 two sides of take-up roller have a disk, two It is fixedly connected between in the middle part of side discs by connecting shaft 24, and the circumferentially equidistant multiple wire winding poles 25 of distribution of connecting shaft 24, wire winding pole 25 both ends are respectively fixedly connected with the disk of two sides, are wound by circumferential wire winding pole 25 respectively to cable wire 11.
The working principle of the invention is: pressing switch so that driving motor 7, which is powered on, drives output end driving half-conical Gear 3 rotates and then the bevel gear 4 of the left and right sides is driven back and forth to rotate and reverse, and bevel gear 4 drives the reciprocal positive and negative rotation of shaft 5, The shaft 5 of reciprocal positive and negative rotation drives the reciprocal positive and negative rotation of worm screw 8 by gear wheel 6 and pinion gear 7, and worm screw 8 drives worm gear 9 and take-up The reciprocal positive and negative rotation of roller 10, the take-up roller 10 of reciprocal positive and negative rotation by the folding and unfolding to cable wire 11 drive compacting plate 16 it is reciprocal on move down It is dynamic that ground is tamped, since Worm Wheel System has one-way self-locking, even if therefore being tamped when worm screw 8 stops operating flat Plate 16, which is located at eminence, to fall under the effect of gravity, and more securely and reliably, the shaft 5 of rotation rotates in turn with dynamic crankshaft 17 Drive connecting rod 18 that plunger 19 is pushed back and forth to slide up and down, plunger 19 slides so that the aqueous in bucket 21 constantly flows into water spray chamber 20 In again by spray head 22 spray carry out atomizing de-dusting, reach compacting one body function of depositing dust.
It should be strongly noted that driving motor is the application of the prior art in the application, turning for reciprocal positive and negative rotation is utilized Axis is rotated with dynamic crankshaft and worm screw simultaneously, and the worm screw of rotation drives worm gear and take-up roller rotation progress folding and unfolding cable wire to drive compacting flat Plate, which back and forth moves up and down, tamps ground, while the crankshaft drive plunger rotated is moved up and down and sprayed water, the water of ejection Mist tamps generated dust to compacting plate and degrades, and prevents fugitive dust, realizes that tamping with one body function of depositing dust is the application Innovative point, solve the problems, such as existing building scene compacting when generate a large amount of dusts.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. device for reducing dust, including bottom plate (1), driving motor (2), take-up roller (10), compacting are tamped in a kind of building site ground Plate (16), water spray chamber (20) and bucket (21);Top is equipped with driving motor (2) in the middle part of bottom plate (1), and driving motor (2) is led Line connects power supply and switch, which is characterized in that and driving motor (2) lower output side is rotatablely connected semicircle bevel gear (3), and half Conical gear (3) half half with teeth is anodontia, is respectively arranged with bevel gear (4), bevel gear at left and right sides of semicircle bevel gear (3) (4) semicircle bevel gear (3) toothed portion is engaged, bevel gear (4) is fixedly connected with shaft (5);Shaft (5) left end is fixedly connected Gear wheel (6), gear wheel (6) lower section pinion mate (7), pinion gear (7) are fixed on worm screw (8) right end, nibble above worm screw (8) It closes worm gear (9), worm gear (9) is fixed on take-up roller (10) side;It is wound with cable wire (11) on the take-up roller (10), cable wire (11) End connection compacting plate (16).
2. device for reducing dust is tamped with ground in a kind of building site according to claim 1, which is characterized in that the driving electricity It is provided with water spray chamber (20) on the right side of machine (2), shaft (5) right end is fixedly connected crankshaft (17), fitting at crankshaft (17) middle bent Connecting rod (18) lower end, connecting rod (18) upper end are rotatablely connected plunger (19), and plunger (19) edge seal is slidably connected water spray chamber (20) Inner wall, and bucket (21) are equipped on the right side of water spray chamber (20), bucket (21) is fixedly connected with bottom plate (1).
3. device for reducing dust is tamped with ground in a kind of building site according to claim 2, which is characterized in that the bucket (21) with water spray chamber (20) top by conduit unilaterally connected, specific unilaterally connected mode is check valve unilaterally connected, water spray chamber (20) left side unilaterally connected spray head (22), bucket (21) top are provided with water filling port.
4. device for reducing dust is tamped with ground in a kind of building site according to claim 1, which is characterized in that the bottom plate (1) following four corners is rotatably connected to idler wheel (23), and take-up roller (10) two sides have disk, and two side discs pass through company between middle part Spindle (24) is fixedly connected.
5. device for reducing dust is tamped with ground in a kind of building site according to claim 4, which is characterized in that the connecting shaft (24) the circumferentially equidistant multiple wire winding poles (25) of distribution, wire winding pole (25) both ends are respectively fixedly connected with the disk of two sides.
6. device for reducing dust is tamped with ground in a kind of building site according to claim 1, which is characterized in that the bottom plate (1) left side top is fixedly connected column (12), and column (12) upper end is fixedly connected top plate (13), and top plate (13) two sides rotate respectively It connects pulley (14), top plate (13) center upper portion is fixedly connected sleeve (15), and cable wire (11) is bonded the pulley of top plate (13) two sides (14) and sleeve (15) are passed through.
7. device for reducing dust is tamped with ground in a kind of -6 any building sites according to claim 1, which is characterized in that described It is made using cast iron quality to tamp plate (16).
CN201811239560.7A 2018-10-23 2018-10-23 A kind of building site ground compacting device for reducing dust Pending CN109183775A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811239560.7A CN109183775A (en) 2018-10-23 2018-10-23 A kind of building site ground compacting device for reducing dust

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811239560.7A CN109183775A (en) 2018-10-23 2018-10-23 A kind of building site ground compacting device for reducing dust

Publications (1)

Publication Number Publication Date
CN109183775A true CN109183775A (en) 2019-01-11

Family

ID=64942765

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811239560.7A Pending CN109183775A (en) 2018-10-23 2018-10-23 A kind of building site ground compacting device for reducing dust

Country Status (1)

Country Link
CN (1) CN109183775A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080198A (en) * 2019-06-12 2019-08-02 杨涛 A kind of energy saving and environment friendly building hammer ram
CN111896298A (en) * 2020-07-22 2020-11-06 河南工程学院 Colliery is sampling device in pit
CN112281617A (en) * 2020-11-03 2021-01-29 张雪丽 Municipal construction is with concrete road surface demolishs breaker
CN112323761A (en) * 2020-09-23 2021-02-05 占天胜 Foundation compaction equipment for building engineering
CN113026713A (en) * 2021-03-10 2021-06-25 陈舒祺 Environment-friendly energy-saving rammer for building construction

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107461022A (en) * 2017-08-31 2017-12-12 广州公孙策信息科技有限公司 A kind of building lifter anti-fall with self-locking
CN107604861A (en) * 2017-10-24 2018-01-19 浙江辰基建设有限公司 A kind of town road guardrail cleaning plant
CN207061493U (en) * 2017-08-04 2018-03-02 南宁超立方科技有限责任公司 A kind of communications cable admission machine with auto-lock function
CN107816036A (en) * 2017-10-30 2018-03-20 郑家良 Pad rammed earth device in a kind of construction site
CN108166366A (en) * 2018-01-23 2018-06-15 深圳市晟腾企业管理有限公司 A kind of municipal administration ground tile paving joint filling device
CN108275512A (en) * 2018-01-29 2018-07-13 山东博发智能科技有限公司 A kind of power cable wrap-up
CN108661040A (en) * 2018-04-20 2018-10-16 内蒙古九泰龙路桥集团有限公司 A kind of full-automatic ramming machine and its control method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207061493U (en) * 2017-08-04 2018-03-02 南宁超立方科技有限责任公司 A kind of communications cable admission machine with auto-lock function
CN107461022A (en) * 2017-08-31 2017-12-12 广州公孙策信息科技有限公司 A kind of building lifter anti-fall with self-locking
CN107604861A (en) * 2017-10-24 2018-01-19 浙江辰基建设有限公司 A kind of town road guardrail cleaning plant
CN107816036A (en) * 2017-10-30 2018-03-20 郑家良 Pad rammed earth device in a kind of construction site
CN108166366A (en) * 2018-01-23 2018-06-15 深圳市晟腾企业管理有限公司 A kind of municipal administration ground tile paving joint filling device
CN108275512A (en) * 2018-01-29 2018-07-13 山东博发智能科技有限公司 A kind of power cable wrap-up
CN108661040A (en) * 2018-04-20 2018-10-16 内蒙古九泰龙路桥集团有限公司 A kind of full-automatic ramming machine and its control method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080198A (en) * 2019-06-12 2019-08-02 杨涛 A kind of energy saving and environment friendly building hammer ram
CN110080198B (en) * 2019-06-12 2021-02-19 长广工程建设有限责任公司 Energy-concerving and environment-protective type building rammer
CN111896298A (en) * 2020-07-22 2020-11-06 河南工程学院 Colliery is sampling device in pit
CN112323761A (en) * 2020-09-23 2021-02-05 占天胜 Foundation compaction equipment for building engineering
CN112281617A (en) * 2020-11-03 2021-01-29 张雪丽 Municipal construction is with concrete road surface demolishs breaker
CN113026713A (en) * 2021-03-10 2021-06-25 陈舒祺 Environment-friendly energy-saving rammer for building construction

Similar Documents

Publication Publication Date Title
CN109183775A (en) A kind of building site ground compacting device for reducing dust
CN108094147A (en) A kind of Chinese garden planting fertilizer irrigation device
CN104429744B (en) Binding system of spraying and binding machine
CN108166425A (en) A kind of garden path dust cleaner
CN204887882U (en) Multi -functional loosening tiller of warmhouse booth
CN109162428A (en) A kind of house decoration wall emulsion paint brush-coating device
CN110124771A (en) A kind of finishing plastic garbage high-efficient treatment device
CN108996073A (en) One kind is tiped rubbish convenient dustbin
CN108293396A (en) A kind of afforestation watering fertilising removal of impurities equipment integrating
CN206895413U (en) A kind of new irrigation rig for gardens water saving
CN206769208U (en) A kind of bar connecting electric tool
CN206233163U (en) A kind of road and bridge cleaning device
CN206919368U (en) A kind of air purifier being moved easily
CN206817114U (en) A kind of camera bracket used on tower crane
CN206205642U (en) A kind of separation preventing pre-installs pulley assembly and is equiped with the shower house of pulley assembly
CN205713138U (en) A kind of bullet formula plastering machine for building
CN108339819A (en) A kind of dustbin of Rapid Cleaning
CN207593529U (en) Double-end polishing machine dust absorbing structure
CN207109689U (en) A kind of civic building ground high-performance cleaning equipment
CN107161422A (en) A kind of novel household sealing machine
CN108104447A (en) A kind of new automatic decoration equipment
CN209482282U (en) A kind of collection device of water conservancy river floating refuse
CN209698656U (en) A kind of wall polishing device for building
CN209694001U (en) A kind of fried green highland barley machine
CN206053259U (en) The powder of automatic plastering machine smears device

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: 20190111

RJ01 Rejection of invention patent application after publication