CN210352400U - Forestry nursery stock is planted with freeze-proof device that keeps out wind - Google Patents
Forestry nursery stock is planted with freeze-proof device that keeps out wind Download PDFInfo
- Publication number
- CN210352400U CN210352400U CN201921027976.2U CN201921027976U CN210352400U CN 210352400 U CN210352400 U CN 210352400U CN 201921027976 U CN201921027976 U CN 201921027976U CN 210352400 U CN210352400 U CN 210352400U
- Authority
- CN
- China
- Prior art keywords
- cross rod
- freeze
- base
- sliding
- rod
- 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
Images
Landscapes
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The utility model provides a forestry nursery stock is planted with freeze-proof device that keeps out wind, include: the device comprises a body, a base, a ground anchor, a guard plate, a stand column, a sliding rod, a fixed block, an upper cross rod, a lower cross rod, a sleeve, a fixed knob and tarpaulin; the bodies are arranged in a rectangular shape and at least provided with four positions, the two adjacent bodies are fixedly connected through bolts, and the bottom ends of the bodies are provided with rectangular bases; the utility model discloses an to above structural improvement, stable in structure has, installation convenient to use, demolish simply, easily carry and transport, can carry out enclosing of small nursery stock and keep off the protection, can carry out again transversely and keep off the protection with what longitudinal extension satisfied the large tracts of land nursery stock, can also open the lateral wall simultaneously, the staff of being convenient for prunes and nurses the inside nursery stock of protection casing, the user demand that the user is different has been satisfied, the stock wind-proof freeze proof device's availability factor has been improved, therefore, the clothes hanger is strong in practicability, thereby the effectual problem and the not enough of having solved and appearing in the current device.
Description
Technical Field
The utility model relates to an defroster technical field that keeps out wind, more specifically the theory that says so especially relates to a forestry nursery stock is planted with defroster that keeps out wind.
Background
With the development of society and economy, the green belt has been integrated into the life of people, refers to a strip-shaped belt for greening, can eliminate visual fatigue, purify the environment, beautify the city, reduce traffic accidents and the like, and occupies an irreplaceable important position in the city.
Coming winter, the work of preventing wind and frostbite of greenbelt nursery stock has been done in advance, especially need protect with the tarpaulin that keeps out the wind to the nursery stock of just transplanting just, in order to prevent to be blown down by the wind, along with temperature reduction, in time to the nursery stock of planting especially to the nursery stock of the weak and lignification degree of cold resistance do the work of preventing cold and frostbite, ensure that the nursery stock crosses winter smoothly, the support frame of current nursery stock protection casing adopts trees or bamboo pole as the material usually, the manual iron wire is binded its tarpaulin of preventing wind with it and is installed, the operation is complicated, waste time and energy, low use efficiency, the practicality is poor, can't satisfy user's user demand.
In view of this, research improvement is carried out to current problem, provides a forestry nursery stock is planted and is used device that keeps out wind antifreeze, aims at through this technique, reaches the purpose of solving the problem and improving practical value nature.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a forestry nursery stock is planted with freeze-proof that keeps out wind to solve the support frame of the current nursery stock protection casing that provides in the above-mentioned background art and adopt trees or bamboo pole as the material usually, the installation is binded its tarpaulin of preventing wind with the iron wire to the manual work, and the operation is complicated, wastes time and energy, and the availability factor is low, and the practicality is poor, can't satisfy user's user demand's problem and not enough.
In order to realize the purpose, the utility model provides a forestry nursery stock is planted with freeze-proof device that keeps out wind is reached by following concrete technical means:
the utility model provides a forestry nursery stock is planted with freeze-proof device that keeps out wind, includes: the device comprises a body, a base, a ground anchor, a guard plate, a stand column, a sliding rod, a fixed block, an upper cross rod, a lower cross rod, a sleeve, a fixed knob and tarpaulin; the bodies are arranged in a rectangular shape and at least provided with four positions, the two adjacent bodies are fixedly connected through bolts, and the bottom ends of the bodies are provided with rectangular bases; the two sides of the bottom end of the base are provided with ground anchors, and the top ends of the ground anchors are connected with the base through bolts; rectangular guard plates are arranged on the front side and the rear side of the base, and the guard plates are connected with the base through bolts; rectangular upright columns are arranged on two sides of the top end of the base, and the bottom ends of the upright columns are connected with the base through bolts; a sliding rod is arranged on the inner side of the upright post, and the bottom end of the sliding rod is connected with the base in an inserting mode; the top end of the sliding rod is connected with the upright post through a fixing block and a bolt; the upper part of the sliding rod is provided with an upper cross rod, and two ends of the upper cross rod are respectively connected with the sliding rod in a sliding fit mode; a lower cross rod is arranged below the upper cross rod, and two ends of the lower cross rod are respectively connected with the sliding rods in a sliding fit mode; sleeves in clearance fit with the sliding rods are arranged at the two ends of the upper cross rod and the lower cross rod and are respectively connected with the upper cross rod and the lower cross rod in a welding mode; a fixed knob is arranged on the outer wall of the sleeve, and one end of the fixed knob penetrates through the side wall of the sleeve and is connected with the sleeve and the sliding rod in a threaded screwing mode; the tarpaulin is arranged between the upper cross rod and the lower cross rod, the upper end and the lower end of the tarpaulin are connected with the upper cross rod and the lower cross rod respectively in a sewing mode, and the left end and the right end of the tarpaulin are connected with the sliding rods respectively in a sewing mode.
As this technical scheme's further optimization, the utility model relates to a forestry nursery stock is planted with freeze-proof device that keeps out wind the slide bar is bilateral symmetry and is provided with two, and the fixed block setting is on the top of slide bar and stand.
As a further optimization of the technical scheme, the wind shielding and freeze preventing device for forestry seedling planting of the utility model is characterized in that one side of the bottom end of the fixed block is provided with a rectangular lug, and the top end of the upright post is provided with a groove matched with the lug; the opposite side of fixed block bottom is provided with the sleeve with slide bar matched with, just the sleeve is connected with the fixed block through the welding mode.
As this technical scheme's further optimization, the utility model relates to a forestry nursery stock is planted with freeze-proof device that keeps out wind the both sides on base top are provided with the lug of rectangle form, and the bottom of stand be provided with lug matched with recess, and the inboard of lug is provided with the sleeve with slide bar matched with.
As this technical scheme's further optimization, the utility model relates to a forestry nursery stock is planted with freeze-proof device that keeps out wind go up the horizontal pole and pass through telescopic setting up to upper and lower slider, and tarpaulin sets up to folding storage device through going up the horizontal pole.
As the further optimization of the technical scheme, the utility model relates to a forestry nursery stock is planted with freeze-proof device that keeps out wind the earth anchor is pi shape setting, and the length of earth anchor top crossbeam is 3-5 times of base width.
As a further optimization of the technical scheme, the utility model relates to a forestry nursery stock is planted with device that prevents wind and freeze, the backplate is symmetrical around being provided with two, and the height of backplate sets up to 10-20 CM.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model relates to a forestry nursery stock is planted with freeze-proof that keeps out wind passes through the setting of the body 1 of the dismouting combination of being convenient for, can not only carry out enclosing of small nursery stock and keep off, can also carry out horizontal or longitudinal extension according to the expansion of nursery stock planting area, has satisfied the user demand that the user is different, has improved the nursery stock freeze-proof that keeps out wind's application range, and the practicality is strong.
2. The utility model relates to a forestry nursery stock is planted with freeze-proof that keeps out wind sets up through gliding last horizontal pole from top to bottom, makes the tarpaulin can carry out the downward folding and accomodate, can not only open the lateral wall of the cover that prevents wind and freeze, and the staff of being convenient for prunes and nurses the inside nursery stock of protection casing, improves the availability factor of protection casing, can also reduce occupation space, and the staff of being convenient for carries and transports, satisfies the different user demand of user.
3. The utility model discloses an to above structural improvement, have stable in structure, installation convenient to use demolishs simply, easily carries and transports, can carry out enclosing of small nursery stock and keep off the protection, can carry out again transversely and keep off the protection with what longitudinal extension satisfied the large tracts of land nursery stock, can also open the lateral wall simultaneously, and the staff of being convenient for prunes and nurses the inside nursery stock of protection casing, has satisfied the user demand that the user is different, has improved nursery stock anti-freeze device's availability factor, and the practicality is strong advantage, thereby effectual solution the utility model discloses the problem that proposes in the background art is with not enough.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the expanded structure of the present invention;
fig. 3 is a schematic view of the folding structure of the present invention.
In the figure: the device comprises a body 1, a base 2, a ground anchor 3, a guard plate 4, a stand column 5, a slide rod 6, a fixing block 7, an upper cross rod 8, a lower cross rod 9, a sleeve 10, a fixing knob 11 and tarpaulin 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Please refer to fig. 1 to 3, the utility model provides a forestry nursery stock is planted with concrete technical implementation scheme of freeze proof device that keeps out wind:
the utility model provides a forestry nursery stock is planted with freeze-proof device that keeps out wind, includes: the device comprises a body 1, a base 2, a ground anchor 3, a guard plate 4, a stand column 5, a slide rod 6, a fixed block 7, an upper cross rod 8, a lower cross rod 9, a sleeve 10, a fixed knob 11 and tarpaulin 12; the bodies 1 are arranged in a rectangular shape, at least four positions are arranged in the middle of the landlord, the two adjacent bodies 1 are fixedly connected through bolts, and a rectangular base 2 is arranged at the bottom end of each body 1; the two sides of the bottom end of the base 2 are both provided with ground anchors 3, and the top ends of the ground anchors 3 are connected with the base 2 through bolts; rectangular guard plates 4 are arranged on the front side and the rear side of the base 2, and the guard plates 4 are connected with the base 2 through bolts; rectangular upright posts 5 are arranged on two sides of the top end of the base 2, and the bottom ends of the upright posts 5 are connected with the base 2 through bolts; a sliding rod 6 is arranged on the inner side of the upright post 5, and the bottom end of the sliding rod 6 is connected with the base 2 in an inserting mode; the top end of the sliding rod 6 is connected with the upright post 5 through a fixing block 7 and a bolt; an upper cross rod 8 is arranged at the upper part of the sliding rod 6, and two ends of the upper cross rod 8 are respectively connected with the sliding rod 6 in a sliding fit mode; a lower cross bar 9 is arranged below the upper cross bar 8, and two ends of the lower cross bar 9 are respectively connected with the slide bars 6 in a sliding fit mode; sleeves 10 which are in clearance fit with the sliding rods 6 are arranged at the two ends of the upper cross rod 8 and the lower cross rod 9, and the sleeves 10 are connected with the upper cross rod 8 and the lower cross rod 9 respectively in a welding mode; a fixed knob 11 is arranged on the outer wall of the sleeve 10, and one end of the fixed knob 11 penetrates through the side wall of the sleeve 10 and is connected with the sleeve 10 and the sliding rod 6 in a threaded screwing mode; the tarpaulin 12 is arranged between the upper cross bar and the lower cross bar 9, the upper end and the lower end of the tarpaulin 12 are respectively connected with the upper cross bar and the lower cross bar 9 in a sewing mode, and the left end and the right end of the tarpaulin 12 are respectively connected with the sliding bars 6 in a sewing mode.
Specifically, the slide bar 6 is arranged at two positions symmetrically left and right, and the fixing blocks 7 are arranged at the top ends of the slide bar 6 and the upright post 5, so that the slide bar 6 and the upright post 5 can be combined and fixed conveniently.
Specifically, a rectangular bump is arranged on one side of the bottom end of the fixed block 7, and a groove matched with the bump is arranged at the top end of the upright post 5; the opposite side of fixed block 7 bottom is provided with the sleeve with slide bar 6 matched with, just the sleeve is connected with fixed block 7 through welding mode, the equipment and the fixing of stand 5 and slide bar 6 of being convenient for.
Specifically, the both sides on base 2 top are provided with the lug of rectangle form, and the bottom of stand 5 be provided with lug matched with recess, and the inboard of lug is provided with the sleeve with slide bar 6 matched with, not only is convenient for the dismantlement equipment of stand 5 and slide bar 6 and base 2, can also improve the steadiness of stand 5 and slide bar 6 in the use.
Specifically, the upper cross rod 8 is arranged into an upper sliding device and a lower sliding device through the sleeve 10, the tarpaulin 12 is arranged into a folding storage device through the upper cross rod 8, the tarpaulin 12 is folded and stored through downward sliding of the upper cross rod 8, the side wall of the wind shielding and anti-freezing cover can be opened, the workers can trim and nurse the nursery stocks inside the protective cover, the service efficiency of the protective cover is improved, the occupied space can be reduced, and the workers can carry and transport the protective cover.
Specifically, the ground anchor 3 is arranged in an n-shaped manner, and the length of a cross beam at the top end of the ground anchor 3 is 3-5 times of the width of the base 2, so that the contact area between the bottom end of the body 1 and the ground can be increased, and the stability of the body 1 in the using process is improved.
Specifically, the guard plates 4 are symmetrically arranged in the front and back direction, the height of the guard plates 4 is set to be 10-20CM, the downwardly folded tarpaulin 12 is stored into a storage space formed between the two guard plates 4, the tarpaulin 12 can be protected, damage and scratch are avoided, and the service life of the tarpaulin 12 is prolonged.
The method comprises the following specific implementation steps:
when the device is used, proper quantity of the bodies 1 are selected, the bodies 1 are surrounded and blocked around planted nursery stocks, adjacent bodies 1 are fixedly connected through bolts, n-shaped ground anchors 3 are arranged at the bottom ends of the bodies 1, the contact area between the bottom ends of the bodies 1 and the ground can be increased, the stability of the bodies 1 in the using process is improved, rectangular tarpaulins 12 are arranged inside the bodies 1, the peripheries of the tarpaulins 12 are respectively connected with the upper cross rods 8, the lower cross rods 9 and the sliding rods 6 are connected in a sleeved mode in a sewing mode, two ends of the upper cross rods 8 are connected with the sliding rods 6 in a sliding mode through the sleeves 10, the tarpaulins 12 can slide downwards through the upper cross rods 8 to be folded and stored, the side walls of the wind-shielding and freeze-proof covers can be opened, workers can trim and nurse the nursery stocks inside the protective covers conveniently, the use efficiency of the protective covers is improved, occupied space can be reduced.
In summary, the following steps: this forestry nursery stock is planted with freeze-proof that keeps out wind, setting through the body 1 of the dismouting combination of being convenient for, can not only carry out enclosing of small nursery stock and keep off, can also be according to the expansion of nursery stock planting area, carry out horizontal or longitudinal extension, the user demand that the user is different has been satisfied, the application range of freeze-proof that keeps out wind of nursery stock has been improved, therefore, the clothes hanger is strong in practicability, through the setting of gliding last horizontal pole from top to bottom, make tarpaulin can fold downwards and accomodate, can not only open the lateral wall of the cover that prevents wind and freeze, the staff of being convenient for prunes and nurses the inside nursery stock of protection casing, the availability factor of protection casing is improved, occupation space can also. Satisfy the different user demands of user, solved the problem and not enough that exist among the current device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a forestry nursery stock is planted with freeze-proof device that keeps out wind, includes: the device comprises a body (1), a base (2), a ground anchor (3), a guard plate (4), a stand column (5), a sliding rod (6), a fixed block (7), an upper cross rod (8), a lower cross rod (9), a sleeve (10), a fixed knob (11) and tarpaulin (12); the method is characterized in that: the bodies (1) are arranged in a rectangular shape and are at least provided with four positions, the two adjacent bodies (1) are fixedly connected through bolts, and the bottom end of each body (1) is provided with a rectangular base (2); the two sides of the bottom end of the base (2) are respectively provided with a ground anchor (3), and the top end of the ground anchor (3) is connected with the base (2) through a bolt; rectangular guard plates (4) are arranged on the front side and the rear side of the base (2), and the guard plates (4) are connected with the base (2) through bolts; rectangular upright posts (5) are arranged on two sides of the top end of the base (2), and the bottom ends of the upright posts (5) are connected with the base (2) through bolts; a sliding rod (6) is arranged on the inner side of the upright post (5), and the bottom end of the sliding rod (6) is connected with the base (2) in an inserting mode; the top end of the sliding rod (6) is connected with the upright post (5) through a fixing block (7) and a bolt; an upper cross rod (8) is arranged at the upper part of the sliding rod (6), and two ends of the upper cross rod (8) are respectively connected with the sliding rod (6) in a sliding fit mode; a lower cross rod (9) is arranged below the upper cross rod (8), and two ends of the lower cross rod (9) are respectively connected with the sliding rod (6) in a sliding fit mode; sleeves (10) in clearance fit with the sliding rods (6) are arranged at two ends of the upper cross rod (8) and the lower cross rod (9), and the sleeves (10) are connected with the upper cross rod (8) and the lower cross rod (9) in a welding mode respectively; a fixed knob (11) is arranged on the outer wall of the sleeve (10), and one end of the fixed knob (11) penetrates through the side wall of the sleeve (10) and is connected with the sleeve (10) and the sliding rod (6) in a threaded screwing mode; tarpaulin (12) is arranged between the upper cross rod and the lower cross rod (9), the upper end and the lower end of the tarpaulin (12) are connected with the upper cross rod and the lower cross rod (9) respectively in a sewing mode, and the left end and the right end of the tarpaulin (12) are connected with the sliding rods (6) respectively in a sewing mode.
2. The wind-shielding and freeze-proofing device for forestry seedling planting according to claim 1, wherein: the sliding rod (6) is symmetrically arranged at two positions left and right, and the fixing blocks (7) are arranged at the top ends of the sliding rod (6) and the upright post (5).
3. The wind-shielding and freeze-proofing device for forestry seedling planting according to claim 1, wherein: a rectangular bump is arranged on one side of the bottom end of the fixed block (7), and a groove matched with the bump is formed in the top end of the upright post (5); the other side of the bottom end of the fixed block (7) is provided with a sleeve matched with the sliding rod (6), and the sleeve is connected with the fixed block (7) in a welding mode.
4. The wind-shielding and freeze-proofing device for forestry seedling planting according to claim 1, wherein: rectangular convex blocks are arranged on two sides of the top end of the base (2), grooves matched with the convex blocks are formed in the bottom ends of the upright columns (5), and sleeves matched with the sliding rods (6) are arranged on the inner sides of the convex blocks.
5. The wind-shielding and freeze-proofing device for forestry seedling planting according to claim 1, wherein: the upper cross rod (8) is provided with an up-and-down sliding device through the sleeve (10), and the tarpaulin (12) is provided with a folding storage device through the upper cross rod (8).
6. The wind-shielding and freeze-proofing device for forestry seedling planting according to claim 1, wherein: the ground anchor (3) is arranged in an n-shaped shape, and the length of a cross beam at the top end of the ground anchor (3) is 3-5 times of the width of the base (2).
7. The wind-shielding and freeze-proofing device for forestry seedling planting according to claim 1, wherein: the guard plate (4) is symmetrically arranged at two positions in front and back, and the height of the guard plate (4) is set to be 10-20 CM.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921027976.2U CN210352400U (en) | 2019-07-03 | 2019-07-03 | Forestry nursery stock is planted with freeze-proof device that keeps out wind |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921027976.2U CN210352400U (en) | 2019-07-03 | 2019-07-03 | Forestry nursery stock is planted with freeze-proof device that keeps out wind |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210352400U true CN210352400U (en) | 2020-04-21 |
Family
ID=70269003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921027976.2U Active CN210352400U (en) | 2019-07-03 | 2019-07-03 | Forestry nursery stock is planted with freeze-proof device that keeps out wind |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210352400U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113748901A (en) * | 2021-10-09 | 2021-12-07 | 浙江墨泉生态建设有限公司 | Landscape plant protection device and construction method |
CN115024117A (en) * | 2022-06-28 | 2022-09-09 | 徐昪 | Forestry that easily folds and accomodate is grown seedlings with protection device that prevents frostbite |
-
2019
- 2019-07-03 CN CN201921027976.2U patent/CN210352400U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113748901A (en) * | 2021-10-09 | 2021-12-07 | 浙江墨泉生态建设有限公司 | Landscape plant protection device and construction method |
CN115024117A (en) * | 2022-06-28 | 2022-09-09 | 徐昪 | Forestry that easily folds and accomodate is grown seedlings with protection device that prevents frostbite |
CN115024117B (en) * | 2022-06-28 | 2023-08-15 | 徐昪 | Anti-freezing protection device easy to fold and store for forestry seedling raising |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN210352400U (en) | Forestry nursery stock is planted with freeze-proof device that keeps out wind | |
CN207485040U (en) | The energy-efficient station pavilion of rain-proof | |
CN210712626U (en) | Road warning device that municipal works were used | |
CN209780426U (en) | building construction protective fence | |
CN203511257U (en) | Portable foldable thermal-insulation movable greenhouse | |
CN103552446B (en) | The warming mobile canopy room of portable folding | |
CN212103712U (en) | Folding snow-blocking net | |
CN213784472U (en) | Windbreak for nursery stock | |
CN205348959U (en) | Afforestation rail | |
CN214144986U (en) | Inflatable field tent | |
CN203788821U (en) | Tree stereoscopic guarding fence device | |
CN217269288U (en) | Novel anti-falling intelligent warning fence for power transmission line maintenance site | |
CN217326755U (en) | Wind-proof barrier for transformer substation | |
CN213983300U (en) | Multifunctional novel street lamp convenient for people | |
CN220801242U (en) | Windproof and rainproof shed for medical flatcar | |
CN205277013U (en) | Fence structure | |
CN217064802U (en) | Movable greening cold-proof framework device | |
CN214832190U (en) | Novel municipal works safety protection device | |
CN212393419U (en) | Hedgerow winter protection device | |
KR200421071Y1 (en) | Cycle Supporter | |
CN214498616U (en) | Rail for municipal works | |
CN206333099U (en) | A kind of gardens hedgerow frigid-proof device | |
CN210195184U (en) | Large-span double-layer mobile operation vehicle device for house building construction | |
CN218090606U (en) | Warning illumination device with solar energy utilization structure for safety warning net | |
CN210264084U (en) | Automobile protection shed |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |