CN111734209A - A safety protection guardrail for building engineering construction - Google Patents
A safety protection guardrail for building engineering construction Download PDFInfo
- Publication number
- CN111734209A CN111734209A CN202010604120.8A CN202010604120A CN111734209A CN 111734209 A CN111734209 A CN 111734209A CN 202010604120 A CN202010604120 A CN 202010604120A CN 111734209 A CN111734209 A CN 111734209A
- Authority
- CN
- China
- Prior art keywords
- rectangular
- water tank
- guardrail
- construction
- fixed
- 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.)
- Withdrawn
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
-
- 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
- E01F7/06—Anti-dazzle arrangements ; Securing anti-dazzle means to crash-barriers
-
- 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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
-
- 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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/619—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings with reflectors; with means for keeping reflectors clean
-
- 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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
- E04H17/161—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames using wire panels
- E04H17/163—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames using wire panels using wired panels with frame
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
- E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a safety protection guardrail for construction engineering construction, and relates to the technical field of building construction. The invention comprises a water tank placed on the ground; the lower parts of the opposite end surfaces of the water tank in the length direction are respectively fixed with a socket and a slot which are in plug-in fit; the upper surface of the water tank is provided with three cross slots; the three cross slots are sequentially inserted with a base and a guardrail; the guardrail is detachably and fixedly connected with the base through a bolt; the base comprises an I-shaped bottom plate; three cross insertion rods matched with the cross insertion grooves are fixed on the lower surface of the I-shaped bottom plate; a rectangular inserting block is fixed on the upper surface of the I-shaped bottom plate and positioned at the two end parts; a first threaded hole is formed in the middle of the same side face of each of the two rectangular insertion blocks. The invention has the advantages of reasonable and simple integral structure, convenient installation and convenient exchange of isolated dust fall or ventilation modes by the combination and use of the water tank, the socket, the slot, the base and the guardrail.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a safety protection guardrail for building engineering construction.
Background
At present, in the building construction process, a protective net is usually built around the building, on one hand, the protective net is used for enhancing construction safety and preventing dust from diffusing in the construction process from influencing the peripheral sanitary environment. Ordinary construction guardrail often forms for fixed network structure concatenation, and when needs enclosed the building, because the concatenation of the fixed concatenation that is unfavorable for the guardrail of concatenation unit, the bottom need adopt footing bolt to fix, and it is comparatively inconvenient that dust-proof handles and atomizer's installation, and the engineering time of guardrail is long.
Disclosure of Invention
The invention aims to provide a safety protection guardrail for building engineering construction, which is reasonable and simple in overall structure and convenient and fast to install through the combination of a water tank, a socket, a slot, a base and the guardrail, and solves the existing problems due to the fact that an isolation dust fall mode or a ventilation mode is convenient to replace.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a safety protection guardrail for constructional engineering construction, which comprises a water tank arranged on the ground; the lower parts of the opposite end surfaces of the water tank in the length direction are respectively fixed with a socket and a slot which are in plug-in fit; the upper surface of the water tank is provided with three cross slots; the three cross slots are sequentially inserted with a base and a guardrail; the guardrail is detachably and fixedly connected with the base through bolts; the base comprises an I-shaped bottom plate; the lower surface of the I-shaped bottom plate is fixedly provided with three cross insertion rods matched with the cross insertion grooves; a rectangular inserting block is fixed on the upper surface of the I-shaped bottom plate and positioned at the two end parts; the middle parts of the same side surfaces of the two rectangular insertion blocks are respectively provided with a first threaded hole; the guardrail comprises a U-shaped rectangular pipe frame with a downward opening end; the lower part of the rectangular pipe frame is in inserted fit with the two rectangular insertion blocks; the same side surface of the lower end of the rectangular tube frame is provided with a second threaded hole matched with the first threaded hole; a metal net is fixed between the inner walls of the rectangular tube frames; a plurality of supporting seats for mounting water pipes are uniformly distributed and fixed on the upper end surface of the rectangular pipe frame along the length direction; and two lamp holder plates for mounting a flash lamp are fixed on one side surface of the rectangular tube frame.
Furthermore, the water tank is a quadrangular frustum pyramid with a structure of a cavity with a large lower part and a small upper part; the upper end surface of the water tank is provided with a water inlet; and an upward groove is formed in the middle of the lower end face of the water tank.
Further, the socket includes a rectangular bottom plate; five cylindrical insertion rods are fixed on the upper surface of the rectangular bottom plate; the lower surface of the rectangular bottom plate is flush with the lower surface of the water tank.
Further, the slot comprises a rectangular parallelepiped block; the surface of the cuboid block is provided with five cylindrical jacks matched with the socket.
Further, the supporting seat comprises a rectangular block; the middle part of the upper end of the rectangular block is provided with a semicircular groove along the length direction; two screw holes are formed in the upper end face of the rectangular block and positioned on two sides of the semicircular groove; and a hose fixing clamp is fixedly arranged at the screw hole at the upper end of the rectangular block through a screw.
Furthermore, two L-shaped clamping plates are symmetrically fixed at two vertical parts on one side surface of the rectangular tube frame; a movable light screen is arranged between the two L-shaped clamping plates; and a reflective sticker is stuck on one side surface of the shading plate.
Furthermore, a warning board is installed on one side surface of the metal net.
The invention has the following beneficial effects:
1. the water tank is used for fixing the bottom, the water tank is convenient to place and connect, the base and the guardrail which are fixedly spliced on the upper portion are fast to install, the guardrail can be used for installing components such as a warning lamp and an atomizing pipe, and the expandability is high.
2. The invention has the advantages of reasonable and simple integral structure, convenient installation and convenient exchange of isolated dust fall or ventilation modes by the combination and use of the water tank, the socket, the slot, the base and the guardrail.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a safety barrier for use in construction of constructional engineering according to the present invention;
FIG. 2 is a schematic view of a water tank, a socket and a socket;
FIG. 3 is a schematic structural view of a base;
FIG. 4 is a schematic view of the guardrail structure;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a schematic view of the guardrail structure;
in the drawings, the components represented by the respective reference numerals are listed below:
1-water tank, 2-socket, 3-slot, 4-base, 5-guardrail, 6-support seat, 7-lamp base plate, 8-L-shaped clamping plate, 9-shading plate, 10-reflecting sticker, 11-warning board, 101-cross slot, 102-water inlet, 201-rectangular base plate, 202-cylindrical inserted rod, 301-cuboid block, 302-cylindrical jack, 401-I-shaped base plate, 402-cross inserted rod, 403-rectangular inserted block, 404-first threaded hole, 501-rectangular tube frame, 502-second threaded hole, 503-metal net, 601-rectangular block, 602-semicircular slot and 603-threaded hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention relates to a safety barrier for construction of construction engineering, which comprises a water tank 1 placed on the ground;
the lower parts of the opposite end surfaces of the water tank 1 in the length direction are respectively fixed with a socket 2 and a slot 3 which are in plug-in fit;
the upper surface of the water tank 1 is provided with three cross slots 101; the three cross slots 101 are sequentially inserted with the base 4 and the guardrail 5; the guardrail 5 is detachably and fixedly connected with the base 4 through bolts;
the base 4 comprises an i-shaped base plate 401; the lower surface of the I-shaped bottom plate 401 is fixedly provided with three cross insertion rods 402 matched with the cross insertion grooves 101; a rectangular insert block 403 is fixed on the upper surface of the I-shaped bottom plate 401 and positioned at two end parts; the middle parts of the same side surfaces of the two rectangular insertion blocks 403 are provided with a first threaded hole 404;
the guardrail 5 comprises a U-shaped rectangular pipe frame 501 with a downward opening end; the lower part of the rectangular pipe frame 501 is in splicing fit with two rectangular insertion blocks 403; the same side of the lower end of the rectangular tube frame 501 is provided with a second threaded hole 502 matched with the first threaded hole 404; a metal net 503 is fixed between the inner walls of the rectangular tube frames 501; a plurality of supporting seats 6 for mounting water pipes are uniformly distributed and fixed on the upper end surface of the rectangular pipe frame 501 along the length direction;
two lamp holders 7 for mounting flash lamps are fixed to one side of the rectangular tube frame 501.
Wherein, the water tank 1 is a quadrangular frustum pyramid with a structure of a cavity with a large lower part and a small upper part; the upper end surface of the water tank 1 is provided with a water inlet 102; the middle part of the lower end surface of the water tank 1 is provided with an upward groove.
Wherein, the socket 2 comprises a rectangular bottom plate 201; five cylindrical insertion rods 202 are fixed on the upper surface of the rectangular bottom plate 201; the lower surface of the rectangular bottom plate 201 is flush with the lower surface of the water tank 1.
The slot 3 comprises a cuboid block 301, and the lower surface of the cuboid block 301 exceeds the upper surface of the rectangular bottom plate 201 by 5 mm; the cuboid block 301 is provided with five cylindrical insertion holes 302 on the surface for matching with the socket 2.
Wherein, the supporting seat 6 comprises a rectangular block 601; the middle part of the upper end of the rectangular block 601 is provided with a semicircular groove 602 along the length direction; two screw holes 603 are formed in the upper end face of the rectangular block 601 and located on two sides of the semicircular groove 602; rectangular block 601 upper end screw hole 603 has the hose fixing clip through the screw mounting, and supporting seat 6 cooperation hose fixing clip can the erection fixation be used for the water pipe and the shower nozzle of spraying, provides the spraying dust fall in the upper portion.
Two L-shaped clamping plates 8 are symmetrically fixed at two vertical parts on one side surface of the rectangular tube frame 501; a movable light screen 9 is arranged between the two L-shaped clamping plates 8, and the light screen 9 is arranged when the construction site is settled or hidden construction is needed, so that the influence of the construction area on the outside is reduced; a reflective sticker 10 is stuck on one side surface of the shading plate 9 and used for reminding at night.
Wherein, warning sign 11 is installed to a side of metal mesh 503 for construction warning.
When using, connect gradually socket 2 and slot 3 on a plurality of water tanks 1 and install on ground, then follow water inlet 102 to water tank 1 internal water injection, fill up water, then peg graft 4 back grafting guardrails 5 and fix with the bolt, install the flash light on lamp holder board 7, at 5 upper end installation spraying water pipe of guardrail, with 11 one side of warning sign outwards, insert light screen 9 between two L shape cardboards 8 when needing concealed construction, paste 10 outwards with reflecting light simultaneously. The water tank 1 that sets up is used for the bottom fixed, places the connection convenience, and the fixed base 4 of upper portion grafting, 5 installations of guardrail are quick, and subassembly such as warning light, spray pipe can be installed to guardrail 5, and scalability is stronger.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a safety protection guardrail for building engineering construction which characterized in that:
comprises a water tank (1) placed on the ground;
the lower parts of the opposite end surfaces of the water tank (1) in the length direction are respectively fixed with a socket (2) and a slot (3) which are in plug-in fit;
the upper surface of the water tank (1) is provided with three cross slots (101); the three cross slots (101) are sequentially inserted with the base (4) and the guardrail (5); the guardrail (5) is detachably and fixedly connected with the base (4) through bolts;
the base (4) comprises an I-shaped bottom plate (401); the lower surface of the I-shaped bottom plate (401) is fixedly provided with three cross insertion rods (402) matched with the cross insertion grooves (101); a rectangular inserting block (403) is fixed on the upper surface of the I-shaped bottom plate (401) and positioned at two end parts; the middle part of the same side of each of the two rectangular insertion blocks (403) is provided with a first threaded hole (404);
the guardrail (5) comprises a U-shaped rectangular pipe frame (501) with a downward opening end; the lower part of the rectangular pipe frame (501) is in splicing fit with two rectangular insertion blocks (403); the same side surface of the lower end of the rectangular tube frame (501) is provided with a second threaded hole (502) matched with the first threaded hole (404); a metal net (503) is fixed between the inner walls of the rectangular tube frames (501); a plurality of supporting seats (6) for mounting water pipes are uniformly distributed and fixed on the upper end surface of the rectangular pipe frame (501) along the length direction;
two lamp base plates (7) used for installing flash lamps are fixed on one side face of the rectangular tube frame (501).
2. The safety protection guardrail for the construction of the constructional engineering according to claim 1, characterized in that the water tank (1) is a quadrangular frustum pyramid with a cavity structure with a large lower part and a small upper part; a water inlet (102) is formed in the upper end face of the water tank (1); the middle part of the lower end face of the water tank (1) is provided with an upward groove.
3. A safety barrier for the construction of constructional engineering according to claim 1, characterized in that the socket (2) comprises a rectangular base plate (201); five cylindrical insertion rods (202) are fixed on the upper surface of the rectangular bottom plate (201); the lower surface of the rectangular bottom plate (201) is flush with the lower surface of the water tank (1).
4. A safety barrier for the construction of constructional engineering as in claim 1, wherein the slot (3) comprises a rectangular parallelepiped block (301); five cylindrical insertion holes (302) matched with the socket (2) are formed in the surface of the cuboid block (301).
5. A safety barrier for the construction of constructional engineering as in claim 1, characterized in that the support seat (6) comprises a rectangular block (601); the middle part of the upper end of the rectangular block (601) is provided with a semicircular groove (602) along the length direction; two screw holes (603) are formed in the upper end face of the rectangular block (601) and positioned on two sides of the semicircular groove (602); and a hose fixing clamp is fixedly arranged at a screw hole (603) at the upper end of the rectangular block (601) through a screw.
6. The safety protection guardrail for the construction of the constructional engineering as claimed in claim 1, characterized in that two L-shaped clamping plates (8) are symmetrically fixed at two vertical parts on one side surface of the rectangular pipe frame (501); a movable light screen (9) is arranged between the two L-shaped clamping plates (8); and a reflective sticker (10) is stuck on one side surface of the light screen (9).
7. The safety barrier for the construction of building engineering according to claim 1, characterized in that a warning board (11) is installed on one side of the metal net (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010604120.8A CN111734209A (en) | 2020-06-29 | 2020-06-29 | A safety protection guardrail for building engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010604120.8A CN111734209A (en) | 2020-06-29 | 2020-06-29 | A safety protection guardrail for building engineering construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111734209A true CN111734209A (en) | 2020-10-02 |
Family
ID=72651690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010604120.8A Withdrawn CN111734209A (en) | 2020-06-29 | 2020-06-29 | A safety protection guardrail for building engineering construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111734209A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324241A (en) * | 2020-11-10 | 2021-02-05 | 浙江鼎盛交通建设有限公司 | Median is used in bridge construction |
| CN113898246A (en) * | 2021-10-21 | 2022-01-07 | 中建一局集团第二建筑有限公司 | Assembly type intelligent temporary sound insulation screen system and construction method thereof |
-
2020
- 2020-06-29 CN CN202010604120.8A patent/CN111734209A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324241A (en) * | 2020-11-10 | 2021-02-05 | 浙江鼎盛交通建设有限公司 | Median is used in bridge construction |
| CN113898246A (en) * | 2021-10-21 | 2022-01-07 | 中建一局集团第二建筑有限公司 | Assembly type intelligent temporary sound insulation screen system and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111734209A (en) | A safety protection guardrail for building engineering construction | |
| CN113356365B (en) | Box type house structure connected through full bolts and construction method | |
| CN210797324U (en) | Highway sound barrier with brightening view function | |
| CN211714772U (en) | Combined building safety enclosure | |
| CN210699300U (en) | Dust collector for building site | |
| CN212162764U (en) | Building electrical construction safety device | |
| CN213868675U (en) | Independent space modularization fitment | |
| CN215671532U (en) | Solar power generation municipal engineering fence | |
| CN213019098U (en) | Lamp mounting structure of decorative curtain wall | |
| CN216429250U (en) | Municipal works are with construction warning guardrail | |
| CN211647616U (en) | Fast-splicing windproof noise-reduction enclosure | |
| CN212743599U (en) | Combined partition plate for urban road and bridge construction | |
| CN217811373U (en) | Novel buried type field assembled fire-fighting water tank | |
| CN216197206U (en) | Construction enclosure | |
| CN213539962U (en) | Warning baffle is used in road construction | |
| CN210002989U (en) | multifunctional rod for installing communication base station | |
| CN214532308U (en) | Combined steel fence | |
| CN214752778U (en) | Sign for municipal construction convenient to installation | |
| CN220815180U (en) | Guardrail for construction of hydraulic structures of sewage plants | |
| CN217326082U (en) | Ceramsite concrete wall plate easy to install | |
| CN216078626U (en) | Assembly type integrated connecting device for construction equipment | |
| CN215829644U (en) | Wall-mounted urinal fixing structure of movable board house | |
| CN217175090U (en) | Quickly-spliced vacuum urinal combination | |
| CN217367664U (en) | Dust device for building | |
| CN210422140U (en) | Removable rail is used to building safety |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201002 |
|
| WW01 | Invention patent application withdrawn after publication |