CN107165068A - Hand-held hinders husky fence and the husky facility of resistance with the wind - Google Patents
Hand-held hinders husky fence and the husky facility of resistance with the wind Download PDFInfo
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- CN107165068A CN107165068A CN201710560948.6A CN201710560948A CN107165068A CN 107165068 A CN107165068 A CN 107165068A CN 201710560948 A CN201710560948 A CN 201710560948A CN 107165068 A CN107165068 A CN 107165068A
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- resistance
- husky
- column
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/02—Snow fences or similar devices, e.g. devices affording protection against sand drifts or side-wind effects
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- Structural Engineering (AREA)
- Fencing (AREA)
Abstract
The invention provides a kind of husky fence of the resistance of hand-held with the wind and the husky facility of resistance, belong to dust storm prevention and control field.Automatically hand-held sand storm protection fence includes column, the husky unit of resistance and boom hoisting with the wind.Column is fixedly connected on ground, and the fixed husky unit of resistance is fixedly connected on the bottom of column, and the husky unit of resistance is slidably connected with column, can be moved upwardly by the presence of boom hoisting, so as to improve the height of the husky fence of whole resistance.The husky facility of above-mentioned resistance, employs multiple husky fence of the resistance of hand-helds with the wind, is arranged into a row or multi-row, and so as to form sand shield, being arranged near highway or railway effectively to take good care of infrastructure.
Description
Technical field
The present invention relates to sand storm protection field, husky fence and the husky facility of resistance are hindered in particular to a kind of hand-held with the wind.
Background technology
With the destruction of ecological environment, desertification is increasingly severe, causes sandstorm more and more.Sandstorm
Not only dust storm, which can bury crops, washed off soil, reduction soil fertility etc., can also destroy the infrastructure such as highway, railway.Especially
It is that, in Gobi Region, checking the wind and fixing the shifting sand seems even more important.
Gobi Region has the features such as wind speed is big, energy is strong, grains of sand spring is high, and the more general desert area of sandstorm has more
Harmfulness.Under the conditions of high wind speed, earth's surface gravel can also be held under the arm by stream to be picked up dynamic, and dust storm gravel stream is changed into by common stream,
Gravel is bigger compared with grains of sand kinetic energy, and the harm caused is also maximum, and many railways of NW China happen occasionally by gobi strong wind area
Dust storm gravel causes the skip car event that derails.Traditional measures for sand prevention is in gobi strong wind area, it is impossible to keeps out the harm of dust storm gravel, faces
The construction of the infrastructure projects such as railway, the highway of current Gobi Region increasingly, has had increasing need for a kind of for the harm of dust storm gravel
Roll guard.
There is provided it is a kind of can effective catch blowing sand gravel roll guard, this is for taking good care of infrastructure with important
Realistic meaning.
The content of the invention
Object of the present invention is to provide the husky fence of one kind resistance, its can effectively catch blowing sand gravel, protection basis is set
Apply.
Another object of the present invention is to provide a kind of resistance husky facility, it is by being arranged near highway or railway, effectively
Ground catch blowing sand, highway safety or railway.
What the present invention was realized in：
A kind of husky fence of the resistance of hand-held with the wind, including：
Chute is provided with two columns, the side wall of the column, the chute prolongs along the length direction in the column
Stretch, the chute relative spacing of two columns is set；
The husky unit of resistance, the husky unit of the resistance includes sand-proof net and two connecting rods, the connecting rod respectively with the column
It is slidably connected,
Two sides of the sand-proof net with two connecting rods with being connected respectively；
Boom hoisting, the boom hoisting is connected with the husky unit of the resistance.
Further,
Locking device is provided with the column；The locking device controllably limits the connecting rod and the column
Between relative slip.
Further,
The connecting rod includes rack, and the rack is arranged in chute；
The rack includes the rack body and chisel teeth being connected with each other, and the chisel teeth includes facade and domatic, described
Facade is perpendicular to the rack body, and the described domatic and facade angle is set；
Mounting hole is provided with the side wall of the column, the locking device is arranged on the mounting hole；
The locking device includes securing rod and extension spring, and the securing rod includes operating side and tapered end, the drawing
The one end for stretching spring is connected with the operating side, and the other end is connected with the column；
The domatic cooperation of the lozenges of the tapered end and the chisel teeth.
Further,
Lubricating arrangement is additionally provided with the column, the lubricating arrangement includes housing, and the housing connects with the column
Connect and cover on the securing rod；
Lubrication channel is provided with the securing rod, one end of the lubrication channel from the securing rod extends to the other end
Form through hole；
The accommodating bag of lubricant is provided with the housing, is made up of elastic deformable material；The lubricant bag includes
Hydraulic fluid port, the oil-out is connected with the lubrication channel of the securing rod；
The accommodating bag of the lubricant is connected by compression spring with the housing, and the compression spring causes the lubricant
The end abutment of accommodating bag and the securing rod.
Further,
The column also includes two baffle plates, and the baffle plate setting is on two side walls of the chute, and parallel to institute
Chute bottom is stated, for preventing connecting rod from being come off from chute.
Further,
The boom hoisting includes fixed pulley, rope-winding wheel, drawstring, decelerator and windmill；
The fixed pulley is connected with the column, and the rope-winding wheel is connected with the output shaft of the decelerator, the windmill
It is connected with the input shaft of the decelerator；
The drawstring is wrapped on the rope-winding wheel, and is connected by the fixed pulley with the connecting rod.
Further,
The sand-proof net is nylon wire.
Further,
The husky fence of the resistance of hand-held with the wind also includes brace earth anchor, described brace earth anchor one end and the column
Top is connected, and the other end is connected with ground.
Further,
The mesh of the sand-proof net gradually becomes close from top to bottom.
The husky facility of one kind resistance, including multiple described husky fence of the resistance of hand-held with the wind, the husky fence of the resistance of hand-held with the wind
It is arranged in an at least row.
The beneficial effects of the invention are as follows：The husky fence of the resistance of hand-held with the wind and resistance sand that the present invention is obtained by above-mentioned design are set
Apply, in use, column is fixedly connected with ground, and hinders the connecting rod of husky unit and be arranged in the chute of column, slided with column
Dynamic connection；Sand-proof net is slidably connected by connecting rod with the column.Under original state, the height of sand-proof net is relatively low, with quilt
The grit of stop in congregate, now, gravel is possible to cover sand-proof net along the slope of the gravel formation of congregate.This
The boom hoisting of disclosure design can be by pulling up the husky unit of resistance, so as to improve the height of the husky fence of whole resistance, resistance
Husky fence can continue to play the effect of catch blowing sand；And the dust storm of congregate can play fixed work to the husky fence of resistance
With.If original state sets higher the height of the husky fence of resistance, then due to the whole windward side for hindering husky fence very
Greatly, husky fence is hindered to be easy to be blown down by dust storm.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of embodiment of the present invention, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not to be seen as
It is the restriction to scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other related accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the husky fence of the resistance of hand-held with the wind that embodiment of the present invention is provided；
Fig. 2 is the structural representation for the husky unit of resistance that embodiment of the present invention is provided；
Fig. 3 is the top view of the column of embodiment of the present invention offer in Fig. 1；
Fig. 4 is the column and locking device, the assembling schematic diagram of lubricating arrangement that embodiment of the present invention is provided；
Fig. 5 is the securing rod sectional view that embodiment of the present invention is provided；
Fig. 6 is the structural representation that embodiment of the present invention provides boom hoisting；
Fig. 7 is the rope-winding wheel structural representation that embodiment of the present invention is provided.
Icon：Hand-held hinders husky fence to 100- with the wind；110- columns；112- chutes；114- baffle plates；The husky unit of 130- resistances；
132- connecting rods；1322- rack bodies；1324- chisel teeths；133- rope-winding wheels；140- boom hoistings；144- fixed pulleys；146-
Decelerator；148- windmills；150- locking devices；152- securing rods；1522- operating sides；1524- tapered ends；1526- lubrications are logical
Road；160- lubricating arrangements；162- housings；The accommodating bag of 164- lubricants.
Embodiment
To make the purpose, technical scheme and advantage of embodiment of the present invention clearer, below in conjunction with present invention implementation
Accompanying drawing in mode, the technical scheme in embodiment of the present invention is clearly and completely described, it is clear that described reality
The mode of applying is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.
Therefore, the detailed description of embodiments of the present invention below to providing in the accompanying drawings is not intended to limit requirement and protected
The scope of the present invention of shield, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.
In the description of the invention, it is to be understood that the term of indicating position or position relationship is based on shown in accompanying drawing
Orientation or position relationship, be for only for ease of the description present invention and simplify description, rather than indicate or imply signified equipment
Or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or should
Orientation or position relationship that invention product is usually put when using, are for only for ease of the description present invention and simplify description, without
It is that instruction or the signified device of hint or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it can not manage
Solve to indicate or imply relative importance.
In addition, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and
It is to be slightly tilted.As " level " only refers to that its direction, with respect to more level for " vertical ", is not the expression structure
Must be fully horizontal, but can be slightly tilted.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with or below second feature
Directly contacted including the first and second features, can also include the first and second features not be direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above to include fisrt feature special second
Directly over levying and oblique upper, or fisrt feature level height is merely representative of higher than second feature.Fisrt feature second feature it
Under, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level height
Less than second feature.
Embodiment 1：
A kind of husky fence 100 of the resistance of hand-held with the wind is present embodiments provided, is mainly used in the infrastructure such as highway or railway
Neighbouring sand storm protection.Such as Fig. 1, this with the wind the husky fence 100 of hand-held resistance mainly include two columns 110, the husky and of unit 130 of resistance
Boom hoisting 140.Two sides of the husky unit 130 of resistance are slidably connected with column 110, in the presence of boom hoisting 140, and resistance is husky single
Member 130 can be slided along column 110.
Such as Fig. 1 and Fig. 2, the husky unit 130 of resistance includes sand-proof net and connecting rod 132, and sand-proof net is generally rectangular-shaped, connecting rod
132 are arranged on two sides of sand-proof net, for being connected with column 110.Connecting rod 132 includes rack, and rack includes being connected with each other
Rack body 1322 and chisel teeth 1324, chisel teeth 1324 includes facade and domatic, and facade is perpendicular to rack body 1322, slope
Face is set with facade angle.In the present embodiment, rack body 1322 and chisel teeth 1324 are integrally formed.In order that husky unit must be hindered
130 is more stable, is provided with reinforcing bar, reinforcing bar and the formation framework knot of connecting rod 132 above and below the sand-proof net of the present embodiment on both sides
Structure.
As shown in Figure 1, Figure 2 and Fig. 3, chute 112, length direction extension of the chute 112 along column 110 are provided with column 110.
Baffle plate 114 is provided with two side walls of chute 112, two baffle plates 114 are symmetrical arranged, and parallel to the bottom of chute 112.Chute
112 bottom is additionally provided with installation through-hole, for installing locking device 150.In the present embodiment, whole column 110 is integrally formed,
In other embodiments can also welding production.
Locking device 150 and lubricating arrangement 160 are additionally provided with such as Fig. 4 and Fig. 5, column 110, for controllably limiting
Relative slip between connecting rod 132 and column 110.Locking device 150 includes securing rod 152 and extension spring, securing rod 152
Including operating side 1522 and tapered end 1524.One end of extension spring is connected for 1522 with operating side, and the other end connects with column 110
Connect.Lubrication channel 1526 is additionally provided with securing rod 152, lubrication channel 1526 is extended to from the operating side 1522 of securing rod 152
Tapered end 1524, forms through hole, passes through for lubricant.
Lubricating arrangement 160 includes the accommodating bag 164 of housing 162, lubricant and compression spring.Housing 162 covers on securing rod 152
On, the accommodating bag 164 of lubricant is arranged in housing 162.The accommodating bag 164 of lubricant is made by elastic deformable material,
The inside is equipped with lubricating grease.The oil-out and the lubrication channel 1526 of the operating side 1522 of securing rod 152 of the accommodating bag 164 of lubricant connect
Connect.The overall accommodating bag 164 of lubricant is in rectangular-shape, is to be provided with compression spring, lubricant on the relative surface of oil-out
Accommodating bag 164 is abutted by compression spring with housing 162, because the elastic force of compression spring is smaller, under nature, and lubricant holds
The lubricant put in bag 164 will not be extruded.
Such as Fig. 6 and Fig. 7, boom hoisting 140 includes suspension hook, fixed pulley 144, rope-winding wheel 133, drawstring, decelerator 146 and wind
Car 148.Fixed pulley 144 is arranged on the top of column 110, and suspension hook is connected with the husky unit 130 of resistance, can be specifically with bracing piece or
Person's connecting rod is connected.Windmill 148 is connected with the input shaft of decelerator 146, constitutes the driving part of boom hoisting 140.Driving
Part is connected with column 110.Rope-winding wheel 133 is a cylindrical structure, is connected with the output shaft of decelerator 146.Drawstring is by fixed pulley
144 and rope-winding wheel 133 link together.Decelerator 146 can use conic reducer 146, and windmill 148 can be purchased directly
Buy.
Such as Fig. 1 and Fig. 4, entirely the assembling process of the husky fence 100 of hand-held resistance is as follows with the wind：With husky unit 130 will be hindered
Connecting rod 132 is caught in the chute 112 of column 110, and the direction of rack is as shown in Figure 4.Under original state, the husky unit 130 of resistance
In the bottom of column 110.Then locking device 150 and lubricating arrangement 160 are installed so that the tapered end 1524 of securing rod 152 is with connecting
The rack engagement of extension bar 132；The oil-out of the accommodating bag 164 of lubricant is connected with the lubrication channel 1526 of securing rod 152, in compression
In the presence of spring force, the accommodating bag 164 of lubricant is abutted with securing rod 152 all the time.
The whole operation principle of locking device 150 is as follows：When the husky unit 130 of resistance under the castering action of boom hoisting to moving up
When dynamic, due to the domatic domatic cooperation with the tapered end 1524 of securing rod 152 of the chisel teeth 1324 of rack, the chisel teeth 1324 of rack
Securing rod 152 can be promoted to axially move, so that connecting rod 132 can be moved smoothly upward.When the husky unit 130 of resistance by
Under power when, because the facade of facade and the securing rod 152 of chisel teeth 1324 coordinates, so that rack can not give securing rod 152 1
The power of individual axis, the i.e. remains stationary of securing rod 152, so as to prevent moving downward for connecting rod 132.
The operation principle of lubricating arrangement 160 is as follows：When securing rod 152 is moved in the promotion lower axis of chisel teeth 1324
Wait, the accommodating bag 164 of the compression lubricant of securing rod 152, so as to extrude the lubricant of inside, the profit that lubricant passes through securing rod 152
The position of engagement of rack and securing rod 152 is come in slide-through road 1526.When securing rod 152 is caught between chisel teeth 1324, locking
Bar 152 resets, and the accommodating bag 164 of lubricant does not produce elastic deformation, and in the presence of compression spring, the accommodating bag of lubricant
164 still abut with securing rod 152.Wrapped when extrusion lubricant is accommodating again under promotion of the securing rod 152 in rack chisel teeth 1324
When 164, lubricant still can be squeezed into the position that rack is engaged with securing rod 152 by the accommodating bag 164 of lubricant.
Entirely the operation principle of the husky fence 100 of hand-held resistance is as follows with the wind：Under original state, the husky unit 130 of resistance is located at most
Lower position, windmill 148 is rotated under the action of the forces of the wind, and is moved upwardly by by the husky unit 130 of resistance of fixed pulley band.Grit is the bottom of at
Portion is cumulative, forms resistance sand barrier, resistance sand, which is carried, to stop the gravel of bottom；Entirely hand-held hinders husky fence 100 with the wind
Height also can more and more higher so that its husky amount of maximum resistance also can be improved accordingly.
The beneficial effect of the husky fence 100 of hand-held resistance at least includes following aspect with the wind：Because the husky unit 130 of resistance can court
Upper movement, so as to hinder, husky fence maximum is enough accordingly to be improved；When the husky unit 130 of resistance is improved, the husky fence bottom of resistance is windward
Face have accumulated more grit, and leeward side also have accumulated part dust storm, so as to have the work of stabilization and reinforcement to the husky fence of whole resistance
With.If the height for hindering husky fence directly is made into higher, the overall stress surface of the husky fence of resistance is very big, under original state, bottom
Portion does not have the stabilization and reinforcement of grit, it is easy to blown down by dust storm.
Further, since sand-proof net has been arranged into wavy, and grid aperture is from the bottom to top gradually in the present embodiment
Increase, forms close structure under dredging, and while reduction weakens wind speed, effectively breaks turbulent flow, not only can effectively stop near-earth
Table stream is migrated, stable Shamian Island, reduces stream harm, moreover it is possible to is separated regulation and control and is passed by air-flow, increases dissipation factor, reduce wind
Energy.
It should be noted that the present embodiment is preferred embodiment, in other embodiments, boom hoisting 140 can be used
Other structures.
Embodiment 2：
A kind of husky facility of resistance is present embodiments provided, which employs the hand-held with the wind in multiple embodiments 1 or its deformation
The husky fence 100 of resistance.Multiple husky fence 100 of the resistance of hand-held with the wind are arranged in a row or multiple rows of, so as to form sand shield, are arranged in
Can effectively it be taken good care of infrastructure near highway or railway.
The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, for this area
For technical staff, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of husky fence of the resistance of hand-held with the wind, it is characterised in that including：
Chute is provided with two columns, the side wall of the column, the chute extends along the length direction in the column, two
The chute relative spacing of the individual column is set；
The husky unit of resistance, the husky unit of the resistance includes sand-proof net and two connecting rods, and the connecting rod is slided with the column respectively
Connection,
Two sides of the sand-proof net with two connecting rods with being connected respectively；
Boom hoisting, the boom hoisting is connected with the husky unit of the resistance.
2. the husky fence of the resistance of hand-held with the wind according to claim 1, it is characterised in that locking dress is provided with the column
Put；The locking device controllably limits the relative slip between the connecting rod and the column.
3. the husky fence of the resistance of hand-held with the wind according to claim 2, it is characterised in that the connecting rod includes rack, institute
Rack is stated to be arranged in chute；
The rack includes the rack body and chisel teeth being connected with each other, and the chisel teeth includes facade and domatic, the facade
Perpendicular to the rack body, the described domatic and facade angle is set；
Mounting hole is provided with the side wall of the column, the locking device is arranged on the mounting hole；
The locking device includes securing rod and extension spring, and the securing rod includes operating side and tapered end, the stretching bullet
One end of spring is connected with the operating side, and the other end is connected with the column；
The domatic cooperation of the lozenges of the tapered end and the chisel teeth.
4. the husky fence of the resistance of hand-held with the wind according to claim 3, it is characterised in that lubrication is additionally provided with the column
Device, the lubricating arrangement includes housing, and the housing is connected and covered on the securing rod with the column；
Lubrication channel is provided with the securing rod, one end of the lubrication channel from the securing rod extends to the other end and formed
Through hole；
The accommodating bag of lubricant is provided with the housing, is made up of elastic deformable material；The lubricant bag includes oil-out,
The oil-out is connected with the lubrication channel of the securing rod；
The accommodating bag of the lubricant is connected by compression spring with the housing, and the compression spring causes the lubricant to house
The end abutment of bag and the securing rod.
5. the husky fence of the resistance of hand-held with the wind according to claim 1, it is characterised in that the column also includes two gears
Plate, the baffle plate setting is on two side walls of the chute, and parallel to the chute bottom, for preventing connecting rod from cunning
Come off in groove.
6. the husky fence of the resistance of hand-held with the wind according to claim 1, it is characterised in that the boom hoisting includes fixed sliding
Wheel, rope-winding wheel, drawstring, decelerator and windmill；
The fixed pulley is connected with the column, and the rope-winding wheel is connected with the output shaft of the decelerator, the windmill and institute
State the input shaft connection of decelerator；
The drawstring is wrapped on the rope-winding wheel, and is connected by the fixed pulley with the connecting rod.
7. the husky fence of the resistance of hand-held with the wind according to claim 1, it is characterised in that the sand-proof net is nylon wire.
8. the husky fence of the resistance of hand-held with the wind according to claim 1, it is characterised in that described also including brace earth anchor
Brace earth anchor one end is connected with the top of the column, and the other end is connected with ground.
9. the husky fence of the resistance of hand-held with the wind according to claim 1, it is characterised in that the mesh of the sand-proof net is arrived from above
Under gradually become close.
10. the husky facility of one kind resistance, it is characterised in that including the husky fence of the resistance of hand-held with the wind described in multiple claims 1 to 9,
The husky fence of the resistance of hand-held with the wind is arranged in an at least row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560948.6A CN107165068B (en) | 2017-07-11 | 2017-07-11 | The husky fence of self-styled resistance and the husky facility of resistance with the wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560948.6A CN107165068B (en) | 2017-07-11 | 2017-07-11 | The husky fence of self-styled resistance and the husky facility of resistance with the wind |
Publications (2)
| Publication Number | Publication Date |
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| CN107165068A true CN107165068A (en) | 2017-09-15 |
| CN107165068B CN107165068B (en) | 2019-04-02 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316280A (en) * | 2018-03-29 | 2018-07-24 | 中国铁路兰州局集团有限公司中卫工务段 | A kind of sand-protecting barrier system and its application method |
| CN109281260A (en) * | 2018-11-12 | 2019-01-29 | 中铁西北科学研究院有限公司 | A kind of recyclable sand stop wall and sand wall system |
| CN109281259A (en) * | 2018-11-12 | 2019-01-29 | 中铁西北科学研究院有限公司 | A kind of sliding sand stop wall and sand wall system |
| CN110965845A (en) * | 2019-12-19 | 2020-04-07 | 佛山科学技术学院 | Wind power rotating automatic lifting type sand blocking fence |
| CN111749150A (en) * | 2020-07-08 | 2020-10-09 | 株洲市东亨科技有限责任公司 | Sand and dust prevention device for highway construction |
| CN112695728A (en) * | 2020-12-23 | 2021-04-23 | 中国地质大学（北京） | Self-elevating latticed sand barrier |
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| CN110965845A (en) * | 2019-12-19 | 2020-04-07 | 佛山科学技术学院 | Wind power rotating automatic lifting type sand blocking fence |
| CN110965845B (en) * | 2019-12-19 | 2021-05-04 | 佛山科学技术学院 | Wind power rotating automatic lifting type sand blocking fence |
| CN111749150A (en) * | 2020-07-08 | 2020-10-09 | 株洲市东亨科技有限责任公司 | Sand and dust prevention device for highway construction |
| CN112695728A (en) * | 2020-12-23 | 2021-04-23 | 中国地质大学（北京） | Self-elevating latticed sand barrier |
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Effective date of registration: 20200721 Address after: 730000 No.318, Donggang West Road, Chengguan District, Lanzhou City, Gansu Province Patentee after: NORTHWEST INSTITUTE OF ECO-ENVIRONMENT AND RESOURCES, CAS Address before: Chengguan District of Gansu city of Lanzhou province Donggang West Road 730000 No. 320 Patentee before: Institute of environment and Engineering in cold and dry areas, Chinese Academy of Sciences |