CN209538545U - Presetting system Multi-functional green house covered with plastic film snow-removing device - Google Patents
Presetting system Multi-functional green house covered with plastic film snow-removing device Download PDFInfo
- Publication number
- CN209538545U CN209538545U CN201821758160.2U CN201821758160U CN209538545U CN 209538545 U CN209538545 U CN 209538545U CN 201821758160 U CN201821758160 U CN 201821758160U CN 209538545 U CN209538545 U CN 209538545U
- Authority
- CN
- China
- Prior art keywords
- greenhouse
- snow
- guide rail
- removing device
- traveling wheel
- 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.)
- Active
Links
Classifications
-
- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Greenhouses (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model discloses a kind of presetting system Multi-functional green house covered with plastic film snow-removing devices, by it is preset on greenhouse or add guide rail connect snow-removing device composition, the greenhouse is composed of a fixed connection by multiple greenhouse main bodies, including multispan greenhouse and single span greenhouse, the guide rail includes walking guide rail and supporting guide and is bolted to connection on the roof truss of the greenhouse, the both ends of the guide rail are welded with limit plate, the snow-removing device is welded on snow scraping plate by traveling wheel and support wheel and is formed, the traveling wheel is respectively welded in the both ends of the snow scraping plate, the multipair support wheel of interlude interval uniform welding, the traveling wheel is arranged in the walking guide rail snow-removing device and is moved in the guide rail by traveling wheel described in rope traction, the utility model can construct with greenhouse and carry out simultaneously, it can also be installed additional in existing big shed top surface, dismounting is quick , easy to operate, comprehensive snow removing, draining, wind resistance function, can effective disaster prevention, and can be used as standardized designs.
Description
Technical field
The utility model relates to a kind of snow removing device for greenhouse, and in particular to a kind of presetting system Multi-functional green house covered with plastic film snow-removing device.
Background technique
At present in a variety of industries such as country's External building, highway, railway, agricultural, warehouse logistics, greenhouse building is widely applied,
Especially in building, highway, construction of railway project, since environmental requirement is increasingly strict, the construction materials such as sand, stone must not be exposed,
Greenhouse must be covered, in vast northern area, agricultural booth is continuously increased, and various greenhouses are by heavy rain, violent snowfall, strong wind
When disaster, because being washed away by rainwater, accumulated snow, be collapsed, by storm wind blow down and caused by safety accident it is also commonplace, especially with a large amount of
The accumulated snow person of crushing is in the majority.
Snow-removing method common at present is mostly in the pre-buried electrothermal tube in roof, gasoline engine wind-force blowing snow etc., common snow removing dress
It sets and is laid mainly for single span, across footpath and the lesser planting greenhouse of depth size, snow scraping plate is linear type, major design
Function is snow removing, and since roof weight increases, stability and overall stiffness are reduced, generate " top-heavy " as a result, not examining
Consider the function of resisting blast, across footpath continuous for multispan and the biggish arch greenhouse of depth size then have apparent limitation.
Utility model content
The technical problem to be solved by the utility model is to overcoming the deficiencies in the prior art, provide a kind of preset
Formula Multi-functional green house covered with plastic film snow-removing device can be used for the open type greenhouse snow removing on arch form common at present, slope-type roof, driving method
Can be set as full-automatic, mechanical and manual operation, there is reasonable in design, support to consolidate, manufacture easy, installation combination is quick,
Be widely used, low manufacture cost the features such as.
The utility model is adopted the technical scheme that in order to solve the technical problem: a kind of presetting system Multi-functional green house covered with plastic film snow removing dress
Set, assembled by common profile, steel plate splicing, by it is preset on greenhouse or add guide rail connect snow-removing device composition,
The greenhouse is composed of a fixed connection by multiple greenhouse main bodies, including multispan greenhouse and single span greenhouse, and the guide rail includes that walking is led
Rail and supporting guide are simultaneously bolted to connection on the roof truss of the greenhouse, and the both ends of the guide rail are welded with limit plate,
The snow-removing device is welded on snow scraping plate by traveling wheel and support wheel and is formed, and the row is respectively welded in the both ends of the snow scraping plate
Wheel, the multipair support wheel of interlude interval uniform welding are walked, the traveling wheel is arranged in the walking guide rail, the support
Wheel is arranged in the supporting guide, and the snow-removing device is moved in the guide rail by traveling wheel described in rope traction.
The upper end welding greenhouse roof truss of the greenhouse main body, greenhouse column supported on both sides, ground pour upright post basic, described
The upper surface of greenhouse roof truss is laid with greenhouse roofing, passes through bolt by capital bracket between the greenhouse roof truss and the greenhouse column
It being fixedly connected, diagonal brace is added between the greenhouse column and the capital bracket, fixed pulley is welded in the upper end of the greenhouse column,
Pre-buried dowel is arranged in the upper end of the upright post basic, and the snow-removing device is connected by fixed pulley described in the steel wire penetrating and rolled up
Raise machine or the pre-buried dowel.
The greenhouse roofing is arch form or slope-type, and the length of the walking guide rail and the supporting guide is greater than described big
The size in shed face.
The multispan greenhouse is laterally composed of a fixed connection by multiple greenhouse main bodies, and the snow scraping plate is in arch form and both ends downside
Weld three pairs of running gear, intermediate welding support wheels, the upper end setting supporting steel plate of the running gear, lower end welding two
To bearing or idler wheel as the traveling wheel, the both ends of the snow scraping plate are welded on the supporting steel plate and by two sides
The front end of the fixed support of stiffener, the supporting steel plate and the support wheel welds arch form and removes obstacles plate, and the wirerope passes through
Hook is connected to the both ends of the supporting steel plate, and the snow-removing device is led by traveling wheel described in the rope traction described
It is moved forward and backward in rail.
The guide rail is of a straight line type and passes through the institute that bolt is longitudinally fixed to be connected on the greenhouse roofing, on the outside of left and right two
It states and the walking guide rail is respectively set on the bracket of capital, two walking guide rails are set on the capital bracket of inside,
Interval is uniformly arranged three supporting guides at upper end 2~5mm height of the greenhouse roofing.
The snow scraping plate is riveted along the line style of the greenhouse roofing using multistage combination lightweight square steel, and the combination is light
The section combining form of matter square steel is rectangle or two sides arch form, and lacing wire or finer wire is arranged in the inside of the combination lightweight square steel
Rope, both ends welding plug plate, lower end open up empty slot at the supporting guide, and the seizing wire is fixed by anchor bolt
On the bulkhead
The single span greenhouse is formed by multiple greenhouse main bodies are longitudinally connected, and the snow scraping plate, which is of a straight line type, is disposed longitudinally on institute
It states on guide rail, a pair of bearings or idler wheel is respectively welded as two pairs of traveling wheel, intermediate welding axis in the both ends of the snow scraping plate
It holds or idler wheel is as the support wheel, the front end of the traveling wheel and the support wheel welds the arch form and removes obstacles plate, described
Wirerope is connected to the end two sides of the snow scraping plate by hook, and the snow-removing device passes through row described in the rope traction
Wheel is walked to move left and right in the guide rail.
The guide rail is laterally fixedly connected on the greenhouse roofing in arch form and by bolt, described on the outside of front and back two
One walking guide rail is respectively set on the bracket of capital, two walking guide rails, institute are set on the capital bracket of inside
It states interval at upper end 2~5mm height of greenhouse roofing and is uniformly fixedly connected with two supporting guides.
The beneficial effects of the utility model are:
1) for the utility model using preset or add guide rail and install snow-removing device, support is firm, easy to process, both can be
Guide rail, pulley, hoist engine are installed together when newly-built greenhouse construction, walked with hoist engine pull unit or manually driven, energy
It is enough quickly to remove accumulated snow, it is ensured that greenhouse safety.
2) the utility model with guide rail using interval setting, arch bottom position and guide rail drop-over is done among greenhouse roofing, in rain
It can be used for excluding roof ponding season, reduce leakage.
3) guide rail of the utility model is fixedly connected integrally using bolt with greenhouse roof truss, when strong wind season arrives,
The wirerope docking of snow scraping plate is pulled on, arrangement is surveyed in follows track, increases greenhouse overall stiffness, improve wind loading rating.
4) the utility model is easy to process, and assembling is quick, and convenient for standardization, regularization, and common tool, equipment are once thrown
Enter may be reused, reduces project cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the multispan greenhouse of the utility model;
Fig. 2 is cross-sectional view at the A of Fig. 1;
Fig. 3 is cross-sectional view at the B of Fig. 1;
Fig. 4 is partial enlarged view at the C of Fig. 1;
Fig. 5 is the structural schematic diagram of the single span greenhouse of the utility model;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the partial view of snow-removing device in Fig. 5.
Specific embodiment
The utility model is made further explanation in the following with reference to the drawings and specific embodiments:
Referring to Fig. 1-7, in figure, 1- greenhouse main body, 101- greenhouse roof truss, 102- greenhouse roofing, the capital 103- bracket, 104-
Greenhouse column, 105- upright post basic, 106- fixed pulley, the pre-buried dowel of 107-, 2- guide rail, 201- walking guide rail, 202- support are led
Rail, 203- limit plate, 3- snow-removing device, 301- snow scraping plate, 302- supporting steel plate, 303- traveling wheel, 304- wirerope, 305- add
Strength plate, 306- support wheel, 307- remove obstacles plate, and 3011- combines lightweight square steel, 3012- seizing wire, 3013- bulkhead, 3014-
Anchor bolt, 4- hoist engine.
Presetting system Multi-functional green house covered with plastic film snow-removing device, is assembled by common profile, steel plate splicing, by pre- on greenhouse
Set or add guide rail 2 and connect snow-removing device 3 and form, greenhouse is composed of a fixed connection by multiple greenhouse main bodies 1, including multispan greenhouse and
Single span greenhouse, guide rail 2 include walking guide rail 201 and supporting guide 202 and are bolted to connection on greenhouse, guide rail 2
Both ends are welded with limit plate 203, and snow-removing device 3 is welded on snow scraping plate 301 by traveling wheel 303 and support wheel 306 and is formed, and scrape snow
Traveling wheel 303, the multipair support wheel 306 of interlude interval uniform welding is respectively welded in the both ends of plate 301, and the setting of traveling wheel 303 exists
In walking guide rail 201, support wheel 306 is arranged in supporting guide 202, and snow-removing device 3 draws traveling wheel by wirerope 304
303 move in guide rail 2.
The upper end welding greenhouse roof truss 101 of greenhouse main body 1, greenhouse column 104 supported on both sides, ground pour upright post basic
105, the upper surface of greenhouse roof truss 101 is laid with greenhouse roofing 102, by capital bracket between greenhouse roof truss 101 and greenhouse column 104
103 are bolted to connection, and diagonal brace, the upper end weldering of greenhouse column 104 are added between greenhouse column 104 and capital bracket 103
Fixed pulley 106 is connect, pre-buried dowel 107 is arranged in the upper end of upright post basic 105, and snow-removing device 3 passes through fixed pulley by wirerope 304
106 connection hoist engines 4 or pre-buried dowel 107.
Greenhouse roofing 102 is arch form or slope-type, and the length of walking guide rail 201 and supporting guide 202 is greater than greenhouse roofing
102 size.
Embodiment 1: multispan greenhouse is laterally composed of a fixed connection by multiple greenhouse main bodies 1, and snow scraping plate 301 is in arch form and both ends
Weld three pairs of running gear, intermediate welding support wheels 306, the upper end setting supporting steel plate 302 of running gear, lower end welding in downside
As traveling wheel 303, the both ends of snow scraping plate 301 are welded on supporting steel plate 302 and by two sides for two pairs of bearings or idler wheel
The front end of the fixed support of stiffener 305, supporting steel plate 302 and support wheel 306 weld arch form and removes obstacles plate 307, and wirerope 304 leads to
The both ends that hook is connected to supporting steel plate 302 are crossed, before snow-removing device 3 draws traveling wheel 303 in guide rail 2 by wirerope 304
After move.
Guide rail 2 is of a straight line type and is connected on greenhouse roofing 102 by the way that bolt is longitudinally fixed, the capital support in two outside of left and right
One walking guide rail 201 is respectively set on frame 103, two walking guide rails 201, greenhouse roofing are set on the capital bracket 103 of inside
Interval is uniformly arranged three supporting guides 202 at 102 upper end 2~5mm height.
Snow scraping plate 301 is riveted along the line style of greenhouse roofing 102 using multistage combination lightweight square steel 3011, and lightweight is combined
The section combining form of square steel 3011 is rectangle or two sides arch form, and lacing wire or finer wire is arranged in the inside of combination lightweight square steel 3011
Rope 3012, both ends welding plug plate 3013, lower end open up empty slot at supporting guide 202, and seizing wire 3012 passes through anchoring
Bolt 3014 is fixed on bulkhead 3013.
Embodiment 2: single span greenhouse is formed by multiple greenhouse main bodies 1 are longitudinally connected, and snow scraping plate 301 is of a straight line type longitudinally disposed
On guide rail 2, a pair of bearings or idler wheel is respectively welded as two pairs of traveling wheel 303, intermediate welding bearings in the both ends of snow scraping plate 301
Or idler wheel is as support wheel 306, the front end of traveling wheel 303 and support wheel 306 welds arch form and removes obstacles plate 307, and wirerope 304 is logical
The end two sides that hook is connected to snow scraping plate 301 are crossed, snow-removing device 3 draws traveling wheel 303 in guide rail 2 by wirerope 304
It moves left and right.
Guide rail 2 is laterally fixedly connected on greenhouse roofing 102 in arch form and by bolt, the capital bracket in two outside of front and back
One walking guide rail 201 is respectively set on 103, two walking guide rails 201, greenhouse roofing 102 are set on the capital bracket 103 of inside
Upper end 2~5mm height at interval be uniformly fixedly connected with two supporting guides 202.
Working principle: being placed in 102 middle position of greenhouse roofing for snow scraping plate 301, passes through greenhouse column with wirerope 304
104 fixed pulley 106 is connected with hoist engine 4, or wirerope 304 is stuck in the pre-buried dowel 107 on 105 top surface of upright post basic
On, when needing to scrape snow, start the hoist engine 4 of greenhouse one end, the hoist engine 4 while releasing of brake of the other end, by half of big shed
The accumulated snow in face 102 scrapes, repetitive operation, scrapes the accumulated snow of other half, notices that snow scraping plate 301 is run to close to limit plate 203
When stop in time.
The utility model is simple and efficient to handle, and comprehensive snow removing, draining, wind resistance function, can play effective disaster prevention
Effect, can be used as standardized designs, great popularization.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations with
Modification, is still within the scope of the technical solutions of the present invention.
Claims (8)
1. a kind of presetting system Multi-functional green house covered with plastic film snow-removing device, is assembled by common profile, steel plate splicing, it is characterised in that:
By preset on greenhouse or add guide rail (2) connection snow-removing device (3) composition, the greenhouse is solid by multiple greenhouse main bodies (1)
Fixed connection composition, including multispan greenhouse and single span greenhouse, the guide rail (2) they include walking guide rail (201) and supporting guide (202)
And be bolted to connection on the roof truss of the greenhouse, the both ends of the guide rail (2) are welded with limit plate (203), described
Snow-removing device (3) is welded on snow scraping plate (301) by traveling wheel (303) and support wheel (306) and is formed, the snow scraping plate (301)
Both ends the multipair support wheel (306) of the traveling wheel (303), interlude interval uniform welding, the walking is respectively welded
(303) setting is taken turns in the walking guide rail (201), support wheel (306) setting is in the supporting guide (202), institute
Snow-removing device (3) are stated to move in the guide rail (2) by wirerope (304) traction traveling wheel (303).
2. presetting system Multi-functional green house covered with plastic film snow-removing device according to claim 1, it is characterised in that: the greenhouse main body (1)
Upper end welding greenhouse roof truss (101), greenhouse column supported on both sides (104), ground pour upright post basic (105), the greenhouse
The upper surface of roof truss (101) is laid with greenhouse roofing (102), between the greenhouse roof truss (101) and the greenhouse column (104) by
Capital bracket (103) is bolted to connection, and is added between the greenhouse column (104) and the capital bracket (103) tiltedly
Fixed pulley (106) are welded in the upper end of support, the greenhouse column (104), and pre-buried dowel is arranged in the upper end of the upright post basic (105)
(107), the snow-removing device (3) passes through the fixed pulley (106) connection hoist engine (4) or institute by the wirerope (304)
State pre-buried dowel (107).
3. presetting system Multi-functional green house covered with plastic film snow-removing device according to claim 2, it is characterised in that: the multispan greenhouse is by more
A greenhouse main body (1) is laterally composed of a fixed connection, the snow scraping plate (301) in welding running gear on the downside of arch form and both ends, in
Between weld three pairs of support wheels (306), the running gear upper end setting supporting steel plate (302), lower end weld two pairs of axis
It holds or idler wheel is as the traveling wheel (303), the both ends of the snow scraping plate (301) are welded on the supporting steel plate (302) simultaneously
By the fixed support of the stiffener (305) of two sides, the front end of the supporting steel plate (302) and the support wheel (306) is welded
It connects arch form to remove obstacles plate (307), the wirerope (304) is connected to the both ends of the supporting steel plate (302) by hook, described to remove
It avenges device (3) and draws the traveling wheel (303) back-and-forth motion in the guide rail (2) by the wirerope (304).
4. presetting system Multi-functional green house covered with plastic film snow-removing device according to claim 3, it is characterised in that: the guide rail (2) is in straight
Line style is simultaneously connected on the greenhouse roofing (102) by the way that bolt is longitudinally fixed, the capital bracket (103) in two outside of left and right
One walking guide rail (201) of each setting is gone up, two walking guide rails are set on the capital bracket (103) of inside
(201), interval is uniformly arranged three supporting guides (202) at upper end 2~5mm height of the greenhouse roofing (102).
5. presetting system Multi-functional green house covered with plastic film snow-removing device according to claim 4, it is characterised in that: the snow scraping plate (301)
Line style along the greenhouse roofing (102) is riveted using multistage combination lightweight square steel (3011), the combination lightweight square steel
(3011) section combining form is rectangle or two sides arch form, the inside setting lacing wire or thin of combination lightweight square steel (3011)
Wirerope (3012), both ends welding plug plate (3013), lower end open up empty slot at the supporting guide (202), described thin
Wirerope (3012) is fixed on the bulkhead (3013) by anchor bolt (3014).
6. presetting system Multi-functional green house covered with plastic film snow-removing device according to claim 5, it is characterised in that: the single span greenhouse is by more
The longitudinally connected composition of a greenhouse main body (1), the snow scraping plate (301), which is of a straight line type, to be disposed longitudinally on the guide rail (2), described
The both ends of snow scraping plate (301) be respectively welded a pair of bearings or idler wheel as the traveling wheel (303), two pairs of bearings of intermediate welding or
For idler wheel as the support wheel (306), the arch form is welded in the front end of the traveling wheel (303) and the support wheel (306)
It removes obstacles plate (307), the wirerope (304) is connected to the end two sides of the snow scraping plate (301), the snow removing dress by hook
(3) are set to move left and right in the guide rail (2) by the wirerope (304) traction traveling wheel (303).
7. presetting system Multi-functional green house covered with plastic film snow-removing device according to claim 6, it is characterised in that: the guide rail (2) is in arch
Type is simultaneously laterally fixedly connected on the greenhouse roofing (102) by bolt, on the capital bracket (103) in two outside of front and back
One walking guide rail (201) is respectively set, two walking guide rails are set on the capital bracket (103) of inside
(201), interval is uniformly fixedly connected with two supporting guides at upper end 2~5mm height of the greenhouse roofing (102)
(202).
8. presetting system Multi-functional green house covered with plastic film snow-removing device according to claim 1 or 2, it is characterised in that: the greenhouse roofing
It (102) is arch form or slope-type, the length of the walking guide rail (201) and the supporting guide (202) is greater than the big shed
The size in face (102).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821758160.2U CN209538545U (en) | 2018-10-29 | 2018-10-29 | Presetting system Multi-functional green house covered with plastic film snow-removing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821758160.2U CN209538545U (en) | 2018-10-29 | 2018-10-29 | Presetting system Multi-functional green house covered with plastic film snow-removing device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209538545U true CN209538545U (en) | 2019-10-25 |
Family
ID=68247495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821758160.2U Active CN209538545U (en) | 2018-10-29 | 2018-10-29 | Presetting system Multi-functional green house covered with plastic film snow-removing device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209538545U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113079889A (en) * | 2021-04-14 | 2021-07-09 | 潍坊科技学院 | Greenhouse snow removing device |
CN115581159A (en) * | 2022-09-30 | 2023-01-10 | 常州大学 | Be suitable for multi-functional coordinated control humiture in agricultural industry garden and intelligent ice and snow removal combined system |
-
2018
- 2018-10-29 CN CN201821758160.2U patent/CN209538545U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113079889A (en) * | 2021-04-14 | 2021-07-09 | 潍坊科技学院 | Greenhouse snow removing device |
CN115581159A (en) * | 2022-09-30 | 2023-01-10 | 常州大学 | Be suitable for multi-functional coordinated control humiture in agricultural industry garden and intelligent ice and snow removal combined system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209538545U (en) | Presetting system Multi-functional green house covered with plastic film snow-removing device | |
CN102758399B (en) | Attached opening-closing protective cover of urban bridge | |
CN203716573U (en) | Rear cantilever type lifting and transversely-moving parking equipment | |
CN205637748U (en) | Ride sit astride on a horse way two (list) row's individual layer suspension type parking area | |
CN209397957U (en) | A kind of water proof type gallery | |
CN209555971U (en) | Prefabricated assembled pipe gallery fitting machine | |
CN204059273U (en) | Enteromorpha descaling machine | |
CN209339019U (en) | A kind of anti-wind and snow Lang Peng of steel and concrete structure | |
CN108266004B (en) | Drawer type walking construction shed and construction method thereof | |
CN201280693Y (en) | Totally enclosed hanging basket | |
CN2286129Y (en) | Bidirectional towing desert water spraying trailer | |
CN201801812U (en) | Multi-functional highway-railway overhead working truck for bridge inspection | |
CN108798714A (en) | A kind of working portable shifting formwork trolley of channel wall body and its construction method | |
CN212836599U (en) | Rail-mounted moving platform car | |
CN207376821U (en) | A kind of electronic rain shade suitable on Metro station excavation | |
CN208749400U (en) | A kind of rail mounted hydraulic moving sump suitable for the draining of tunnel counter-slope | |
CN206941495U (en) | Irony debris clears up car | |
CN107780327B (en) | Assembled double-control road protection cover for road maintenance | |
CN201292512Y (en) | Suspended cable sliding table for spraying main steel box beam of overpass | |
CN102127984B (en) | Underground garage | |
DE102011121036A1 (en) | Roadway roof has roof main portion having photovoltaic elements, and roof membrane in which several water collecting grooves are formed to collect rain water falling on roof membrane | |
CN211342933U (en) | Trolley for repairing existing railway double-track tunnel | |
CN211621969U (en) | Improved multifunctional canopy | |
CN201002929Y (en) | Small-sized road maintenance machinery hoisting transporting vehicle | |
CN109440641A (en) | A kind of inspection trolley for the maintenance of large span truss trestle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |