CN108867526A - A kind of double-piston crank type device for reducing dust - Google Patents
A kind of double-piston crank type device for reducing dust Download PDFInfo
- Publication number
- CN108867526A CN108867526A CN201810814934.7A CN201810814934A CN108867526A CN 108867526 A CN108867526 A CN 108867526A CN 201810814934 A CN201810814934 A CN 201810814934A CN 108867526 A CN108867526 A CN 108867526A
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- China
- Prior art keywords
- piston plate
- clear water
- spray booth
- water tanks
- fixedly connected
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- 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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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H3/00—Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices
- E01H3/02—Mobile apparatus, e.g. watering-vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of double-piston crank type device for reducing dust, device noumenon upper end is fixedly connected with clear water tanks, clear water tanks upper end is connected to water filling port, device noumenon top is respectively arranged on the left side and the right side left spray booth and right spray booth, and driving motor is arranged in device noumenon lower part, driving motor wire connecting power and switch, driving motor top are rotatablely connected driving shaft；The drive shaft bearing rotary connecting device ontology, driving shaft top are fixedly connected with crankshaft, are arranged with first connecting rod and second connecting rod in the middle part of crankshaft respectively, and first connecting rod left end is rotatablely connected first piston plate.The device is moved back and forth by first piston plate or so constantly sprays depositing dust for the aqueous in clear water tanks, rotary nozzle is equipped with spiral micro-pipe, rotary nozzle rotation is driven under hydraulic pressure reaction force, spray regime is wider, second piston plate makes gas by adsorbing the dust being mingled in gas under the aqueous effect in clear water tanks simultaneously, have the function that purify air, economic benefits and social benefits dedusting.
Description
Technical field
The present invention relates to a kind of environmental protecting device, specifically a kind of double-piston crank type device for reducing dust.
Background technique
Fugitive dust is the opening for being flown upward and being entered atmosphere in wind-force, artificial drive and other drives due to the dust on ground
Pollution sources are the important components of overall suspended pellet in surrounding air.It is cleaned and is scrubbed immediately using rainwater resource after rainfall
The muddy water that road accumulates is to be concatenated to form the most effective means of fugitive dust after avoiding road soil from air-drying, while when can be avoided fine day
Cleaning forms fugitive dust, also can greatly save cleaning water, is the measure that the current vast cities and towns of China should take immediately.
However existing sprinkler only only has sprinkle water function, dust-laying effect is not obvious, and is raised by rainwater absorption
Dirt inevitably will cause rainwater absorb it is insufficient, water resource is caused to waste.
Summary of the invention
The purpose of the present invention is to provide a kind of double-piston crank type device for reducing dust, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the present invention provides the following technical solutions：
A kind of double-piston crank type device for reducing dust, including device noumenon, clear water tanks, driving motor, crankshaft, first piston plate, rotation
Turn spray head, second piston plate, worm screw, movable pulley and driven wheel, described device ontology upper end is fixedly connected with clear water tanks, on clear water tanks
End connection water filling port, device noumenon top is respectively arranged on the left side and the right side left spray booth and right spray booth, and the setting of device noumenon lower part is driven
Dynamic motor, driving motor wire connecting power and switch, driving motor top are rotatablely connected driving shaft；The drive shaft bearing turns
Dynamic attachment device ontology, driving shaft top are fixedly connected with crankshaft, are arranged with first connecting rod and second connecting rod respectively in the middle part of crankshaft, and
First connecting rod left end is rotatablely connected first piston plate, and first piston plate edge seal is slidably connected left spray booth, and left spray booth upper end is set
Check valve is set, unidirectional valve guide connects clear water tanks left bottom；The left spray booth top is connected to catheter, catheter upper end bearing
It is rotatablely connected rotary nozzle, rotary nozzle is in cone, and the multiple spiral micro-pipes of the circumferentially equidistant distribution in rotary nozzle side；It is described
Second connecting rod right end is rotatablely connected second piston plate, and second piston plate seals the right spray booth that is slidably connected, and right spray booth lateral wall is equipped with
Air inlet bucket, the interior another check valve of setting of air inlet bucket, and right spray booth top connecting tube, conduit upper end connect another check valve, on
Check valve is held to be connected to clear water tanks bottom right side；The driving shaft top is fixedly connected with first bevel gear, first bevel gear engagement the
Two bevel gears, second bevel gear are fixedly connected with worm screw, and worm screw left end shaft rotational device ontology；Engage snail in the worm screw lower part
Wheel, worm gear side wall are fixedly connected with synchronous belt upper end, and synchronous belt passes through device noumenon bottom, and synchronous belt lower end rolls connection movement
Wheel, worm gear and movable pulley distinguish rotary connecting device body bottom portion upper and lower surface.
As a further solution of the present invention：The first piston plate and second piston plate are all made of soft rubber material institute
System.
As further scheme of the invention：The worm screw right part fitting downrod lower end, sunpender upper end is fixedly connected with dress
Set ontology.
As further scheme of the invention：Described device rear body lower end is fixedly connected with turning rolls, under turning rolls
End rotation connection driven wheel.
As further scheme of the invention：Motor base, motor base spiral shell are fixedly connected on the right side of the driving motor
Bolt fixed connection apparatus ontology.
As further scheme of the invention：The spiral micro-pipe opening upwards.
As further scheme of the invention：Described device rear body upper end is fixedly connected with handle, and push plate upper end is horizontal
To setting handrail.
Compared with prior art, the beneficial effects of the invention are as follows：The device is moved back and forth by first piston plate or so will
Aqueous in clear water tanks constantly sprays depositing dust, and rotary nozzle is equipped with spiral micro-pipe, drives rotation spray under hydraulic pressure reaction force
Head rotation, spray regime is wider, while second piston plate makes gas by will press from both sides in gas under the aqueous effect in clear water tanks
Miscellaneous dust absorption has the function that purify air, and drives mobile wheel drive unit ontology voluntarily under worm and gear effect
Walking, high degree of automation, economic benefits and social benefits dedusting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of double-piston crank type device for reducing dust.
Fig. 2 is the enlarged drawing of rotary nozzle in double-piston crank type device for reducing dust.
Fig. 3 is the top view of rotary nozzle in double-piston crank type device for reducing dust.
In figure：1- device noumenon；2- clear water tanks；3- water filling port；4- driving motor；5- motor base；6- driving shaft；7-
One bevel gear；8- crankshaft；9- first connecting rod；10- first piston plate；11- check valve；12- catheter；13- rotary nozzle；14-
Second connecting rod；15- second piston plate；16- air inlet bucket；17- second bevel gear；18- worm screw；19- worm gear；20- synchronous belt；21-
Movable pulley；22- handle；23- turning rolls；24- driven wheel.
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.
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of double-piston crank type device for reducing dust, including it is device noumenon 1, net
Water tank 2, driving motor 4, crankshaft 8, first piston plate 10, rotary nozzle 13, second piston plate 15, worm screw 18,21 and of movable pulley
Driven wheel 24；1 upper end of described device ontology is fixedly connected with clear water tanks 2, and 2 upper end of clear water tanks is connected to water filling port 3, in device noumenon 1
Portion is respectively arranged on the left side and the right side left spray booth and right spray booth, and driving motor 4 is arranged in 1 lower part of device noumenon, and 4 conducting wire of driving motor connects
Power supply and switch are connect, motor base 5 is fixedly connected on the right side of driving motor 4,5 bolt fixed connection apparatus ontology 1 of motor base drives
Dynamic 4 top of motor is rotatablely connected driving shaft 6, turns on the switch so that driving motor 4 is powered on and driving shaft 6 is driven to rotate；It is described
6 bearing rotary connecting device ontology 1 of driving shaft, 6 top of driving shaft are fixedly connected with crankshaft 8, and 8 middle part of crankshaft is arranged with first respectively
Connecting rod 9 and second connecting rod 14, and 9 left end of first connecting rod is rotatablely connected first piston plate 10,10 edge seal of first piston plate is sliding
Check valve 11 is arranged in the dynamic left spray booth of connection, left spray booth upper end, and 11 conduit of check valve connects 2 left bottom of clear water tanks；The left spray
Room top is connected to catheter 12, and 12 upper shaft of catheter holds rotation connection rotary nozzle 13, and rotary nozzle 13 is in cone, and is revolved
Turn the circumferentially equidistant multiple spiral micro-pipes of distribution in 13 side of spray head, spiral micro-pipe opening upwards, the driving shaft 6 of rotation is with dynamic crankshaft 8
It rotates and then drives first connecting rod 9 that first piston plate 10 is pushed back and forth to move left and right, squeezed when first piston plate 10 is moved to the left
The left indoor aqueous of spray is pressed to spray out of rotary nozzle 13 through catheter 12, since rotary nozzle 13 is equipped with spiral micro-pipe,
Rotary nozzle 13 is driven to rotate under hydraulic pressure reaction force, i.e., rotary nozzle 13 is Xiang Shanged while rotating sprays water mist, and water mist is in
Peripheral jet, spray regime is wider, reaches dust-laying effect, and aqueous when first piston plate 10 moves to right in clear water tanks 2 is made in gravity
Aqueous is supplemented with lower flow into left spray booth.
14 right end of second connecting rod is rotatablely connected second piston plate 15, and second piston plate 15 seals the right spray that is slidably connected
Room, first piston plate 10 and second piston plate 15 are all made of that soft rubber material is made, and right spray booth lateral wall is equipped with air inlet bucket 16,
Another check valve 11 of setting in air inlet bucket 16, and right spray booth top connecting tube, conduit upper end connect another check valve 11, upper end
Check valve 11 is connected to 2 bottom right side of clear water tanks, and the crankshaft 8 of rotation drives second connecting rod 14 and second piston plate 15 reciprocal left simultaneously
Move right, reduce the indoor air pressure of right spray, ambient atmosphere by air inlet bucket 16 into
Enter in right spray booth, second piston plate 15 squeezes the right indoor gas of spray and is discharged into clear water tanks 2 through upper end check valve 11 when moving to right, gas
Body is by adsorbing the dust being mingled in gas under the aqueous effect in clear water tanks 2, and clean gas is by aqueous by 3 row of water filling port
Out, have the function that purify air.
6 top of driving shaft is fixedly connected with first bevel gear 7, and first bevel gear 7 engages second bevel gear 17, the second cone
Gear 17 is fixedly connected with worm screw 18,18 right part fitting downrod lower end of worm screw, sunpender upper end fixed connection apparatus ontology 1, and worm screw
18 left end shaft rotational device ontologies 1, the driving shaft 6 of rotation drive first bevel gear 7 to rotate and then drive second bevel gear 17
It is rotated with worm screw 18；The 18 lower part engaging worm wheel 19 of worm screw, 19 side wall of worm gear are fixedly connected with 20 upper end of synchronous belt, synchronous belt 20
Across 1 bottom of device noumenon, and 20 lower end of synchronous belt rolls connection movable pulley 21, and worm gear 19 and movable pulley 21 are rotatablely connected respectively
The worm screw 18 of 1 bottom upper and lower surface of device noumenon, rotation drives worm gear 19 to rotate, and the worm gear 19 of rotation is driven by synchronous belt 20
The rotation of movable pulley 21 and then the overall movement of driving device ontology 1；1 rear portion lower end of described device ontology is fixedly connected with turning rolls 23,
23 lower end of turning rolls is rotatablely connected driven wheel 24, and 1 rear upper end of device noumenon is fixedly connected with handle 22, and 22 upper end of push plate is laterally set
Handrail is set, it is mobile by 21 driving device ontology 1 of movable pulley by the moving direction of 22 control device ontology 1 of handrail and handle.
The working principle of the invention is：Turning on the switch so that driving motor 4 is powered on drives driving shaft 6 to rotate, rotation
Driving shaft 6 rotated with dynamic crankshaft 8 and then drive first connecting rod 9 that first piston plate 10 is pushed back and forth to move left and right, when first living
Seben 10 squeezes the left indoor aqueous of spray and sprays out of rotary nozzle 13 through catheter 12 when being moved to the left, due to rotary nozzle 13
Be equipped with spiral micro-pipe, under hydraulic pressure reaction force drive rotary nozzle 13 rotate, i.e., rotary nozzle 13 while rotating to
Upper ejection water mist, water mist circumferentially spray, and spray regime is wider, reach dust-laying effect, clear water tanks 2 when first piston plate 10 moves to right
Interior aqueous flows under the influence of gravity into and supplements aqueous in left spray booth, and the crankshaft 8 of rotation drives second connecting rod 14 and second simultaneously
Piston plate 15 back and forth moves left and right, and reduces the right indoor air pressure of spray, ambient atmosphere
Entered in right spray booth by air inlet bucket 16, second piston plate 15 squeezes the right indoor gas of spray through 11 row of upper end check valve when moving to right
Enter in clear water tanks 2, by adsorbing the dust being mingled in gas under the aqueous effect in clear water tanks 2, clean gas passes through gas
Aqueous is discharged by water filling port 3, has the function that purify air, the driving shaft 6 of rotation drives first bevel gear 7 to rotate and then drive
Second bevel gear 17 and worm screw 18 rotate, and the worm screw 18 of rotation drives worm gear 19 to rotate, and the worm gear 19 of rotation passes through synchronous belt 20
It drives the rotation of movable pulley 21 and then driving device ontology 1 moves integrally；Pass through the movement of 22 control device ontology 1 of handrail and handle
Direction, it is mobile by 21 driving device ontology 1 of movable pulley.
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. a kind of double-piston crank type device for reducing dust, including device noumenon（1）, clear water tanks（2）, driving motor（4）, crankshaft（8）,
First piston plate（10）, rotary nozzle（13）, second piston plate（15）, worm screw（18）, movable pulley（21）And driven wheel（24）,
It is characterized in that, described device ontology（1）Upper end is fixedly connected with clear water tanks（2）, clear water tanks（2）Upper end is connected to water filling port（3）, device
Ontology（1）Top is respectively arranged on the left side and the right side left spray booth and right spray booth, and device noumenon（1）Driving motor is arranged in lower part（4）, drive
Dynamic motor（4）Wire connecting power and switch, driving motor（4）Top is rotatablely connected driving shaft（6）；The driving shaft（6）Axis
Hold rotary connecting device ontology（1）, driving shaft（6）Top is fixedly connected with crankshaft（8）, crankshaft（8）Middle part is arranged with first respectively
Connecting rod（9）And second connecting rod（14）, and first connecting rod（9）Left end is rotatablely connected first piston plate（10）, first piston plate（10）
Edge seal is slidably connected left spray booth, and check valve is arranged in left spray booth upper end（11）, check valve（11）Conduit connects clear water tanks（2）It is left
Side bottom；The left spray booth top is connected to catheter（12）, catheter（12）Upper shaft holds rotation connection rotary nozzle（13）, rotation
Turn spray head（13）In cone, and rotary nozzle（13）The circumferentially equidistant multiple spiral micro-pipes of distribution in side；The second connecting rod
（14）Right end is rotatablely connected second piston plate（15）, second piston plate（15）Seal the right spray booth that is slidably connected, right spray booth lateral wall
Equipped with air inlet bucket（16）, air inlet bucket（16）Interior another check valve of setting（11）, and right spray booth top connecting tube, conduit upper end connect
Connect another check valve（11）, upper end check valve（11）It is connected to clear water tanks（2）Bottom right side；The driving shaft（6）Top is fixed to be connected
Connect first bevel gear（7）, first bevel gear（7）Engage second bevel gear（17）, second bevel gear（17）It is fixedly connected with worm screw
（18）, and worm screw（18）Left end shaft rotational device ontology（1）；The worm screw（18）Lower part engaging worm wheel（19）, worm gear（19）
Side wall is fixedly connected with synchronous belt（20）Upper end, synchronous belt（20）Across device noumenon（1）Bottom, and synchronous belt（20）Lower end rolls
Connect movable pulley（21）, worm gear（19）And movable pulley（21）Rotary connecting device ontology respectively（1）Bottom upper and lower surface.
2. a kind of double-piston crank type device for reducing dust according to claim 1, which is characterized in that the first piston plate
（10）With second piston plate（15）It is made to be all made of soft rubber material.
3. a kind of double-piston crank type device for reducing dust according to claim 1, which is characterized in that the worm screw（18）Right part
Fitting downrod lower end, sunpender upper end fixed connection apparatus ontology（1）.
4. a kind of double-piston crank type device for reducing dust according to claim 1, which is characterized in that described device ontology（1）
Rear portion lower end is fixedly connected with turning rolls（23）, turning rolls（23）Lower end is rotatablely connected driven wheel（24）.
5. a kind of double-piston crank type device for reducing dust according to claim 1, which is characterized in that the driving motor（4）
Right side is fixedly connected with motor base（5）, motor base（5）Bolt fixed connection apparatus ontology（1）.
6. a kind of double-piston crank type device for reducing dust according to claim 1, which is characterized in that the spiral micro-pipe opening
Upwards.
7. -6 any a kind of double-piston crank type device for reducing dust according to claim 1, which is characterized in that described device sheet
Body（1）Rear upper end is fixedly connected with handle（22）, push plate（22）Handrail is laterally arranged in upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810814934.7A CN108867526A (en) | 2018-07-24 | 2018-07-24 | A kind of double-piston crank type device for reducing dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810814934.7A CN108867526A (en) | 2018-07-24 | 2018-07-24 | A kind of double-piston crank type device for reducing dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108867526A true CN108867526A (en) | 2018-11-23 |
Family
ID=64304660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810814934.7A Pending CN108867526A (en) | 2018-07-24 | 2018-07-24 | A kind of double-piston crank type device for reducing dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108867526A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603365A (en) * | 2018-12-11 | 2019-04-12 | 任国斌 | A kind of green device for reducing dust in building site |
| CN109647163A (en) * | 2018-12-21 | 2019-04-19 | 大田县伊鑫新型材料有限公司 | A kind of dry-process cement rotary kiln ammonia process semidry process desulfurizer |
| CN110199599A (en) * | 2019-07-09 | 2019-09-06 | 张松香 | A kind of agricultural pasture growing prepartion of land device |
| CN111041956A (en) * | 2019-11-28 | 2020-04-21 | 季凤飞 | Expansion joint cutting equipment for bridge construction |
| CN111255503A (en) * | 2019-12-05 | 2020-06-09 | 淮阴师范学院 | Electric automatization spray set |
| CN112176981A (en) * | 2020-09-27 | 2021-01-05 | 祝丽娟 | Dust collector of tamping protection mechanism for rapid tamping machine |
| CN112719623A (en) * | 2020-12-08 | 2021-04-30 | 济南金威刻科技发展有限公司 | Laser welding and cutting production line |
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| CN112963865A (en) * | 2021-03-31 | 2021-06-15 | 西北工业大学 | Oil thrower capable of controlling oil injection speed |
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| CN115475472A (en) * | 2022-08-30 | 2022-12-16 | 盐城市翔盛碳纤维科技有限公司 | Dust suppression device is used in carbon-fibre composite production |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109603365A (en) * | 2018-12-11 | 2019-04-12 | 任国斌 | A kind of green device for reducing dust in building site |
| CN109647163A (en) * | 2018-12-21 | 2019-04-19 | 大田县伊鑫新型材料有限公司 | A kind of dry-process cement rotary kiln ammonia process semidry process desulfurizer |
| CN110199599A (en) * | 2019-07-09 | 2019-09-06 | 张松香 | A kind of agricultural pasture growing prepartion of land device |
| CN111041956A (en) * | 2019-11-28 | 2020-04-21 | 季凤飞 | Expansion joint cutting equipment for bridge construction |
| CN111255503A (en) * | 2019-12-05 | 2020-06-09 | 淮阴师范学院 | Electric automatization spray set |
| CN111255503B (en) * | 2019-12-05 | 2021-02-26 | 淮阴师范学院 | Electric automatization spray set |
| CN112176981B (en) * | 2020-09-27 | 2022-12-13 | 新疆隆泉建设集团有限公司 | Dust collector of tamping protection mechanism for rapid tamping machine |
| CN112176981A (en) * | 2020-09-27 | 2021-01-05 | 祝丽娟 | Dust collector of tamping protection mechanism for rapid tamping machine |
| CN112719623A (en) * | 2020-12-08 | 2021-04-30 | 济南金威刻科技发展有限公司 | Laser welding and cutting production line |
| CN112811183A (en) * | 2020-12-30 | 2021-05-18 | 蚌埠奥德压缩机工贸有限公司 | Product grabbing device of glass production usefulness |
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| CN112963865A (en) * | 2021-03-31 | 2021-06-15 | 西北工业大学 | Oil thrower capable of controlling oil injection speed |
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Application publication date: 20181123 |
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