CN112502531A - Subway construction is with safe isolated column convenient to dismouting - Google Patents
Subway construction is with safe isolated column convenient to dismouting Download PDFInfo
- Publication number
- CN112502531A CN112502531A CN202011413302.3A CN202011413302A CN112502531A CN 112502531 A CN112502531 A CN 112502531A CN 202011413302 A CN202011413302 A CN 202011413302A CN 112502531 A CN112502531 A CN 112502531A
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- China
- Prior art keywords
- fixed
- wall
- disassemble
- assemble
- subway construction
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Classifications
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- 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
- 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
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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
- 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
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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
- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34305—Structures characterised by movable, separable, or collapsible parts, e.g. for transport telescopic
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- 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
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a safety isolation fence convenient to assemble and disassemble for subway construction, and provides the following scheme aiming at the problem of easy toppling under external force. According to the invention, the vacuum sucker is contacted with the ground, then a worker presses the vacuum sucker and starts the air pump to suck out air in the vacuum sucker, so that the vacuum sucker is tightly adsorbed on the ground and fixed, and the vacuum sucker is not easy to topple over due to the influence of external force.
Description
Technical Field
The invention relates to the technical field of isolation devices, in particular to a safety isolation fence convenient to disassemble and assemble for subway construction.
Background
The subway is a rapid, large-traffic and electric power traction rail transit built in cities. The train runs on a totally closed line, the line located in a central urban area is basically arranged in an underground tunnel, the line outside the central urban area is generally arranged on a viaduct or the ground, a subway is an urban rail transit system which covers all kinds of roads in the underground and the ground of the urban area, is special in right of way, high in density and high in transportation capacity, and a safety isolation fence is usually required to be used for isolating a construction area during subway construction.
The safety isolation fence patent of a subway construction convenient to dismouting that has now on the market mostly exists following not enough: the device removes and the fixed ability is not good enough, and external application of force easily makes the isolated column empty, and current patent is difficult to solve this type of problem, consequently, needs a subway construction with the safe isolated column of being convenient for dismouting to solve above-mentioned problem urgently.
Disclosure of Invention
The invention provides a safety isolation fence convenient to disassemble and assemble for subway construction, which is based on the technical problem that the safety isolation fence convenient to disassemble and assemble for subway construction is prone to toppling under external force.
In order to achieve the purpose, the invention adopts the following technical scheme:
a safety isolation fence convenient for disassembly and assembly for subway construction comprises two hollow bases, wherein clamping seats are clamped on the outer walls of the tops of the two hollow bases, fixing columns are fixed on the outer walls of the tops of the clamping seats through bolts, circular through holes are formed in the outer walls of the tops of the clamping seats, the interiors of the fixing columns are communicated with the bottoms of the hollow bases through the circular through holes, telescopic frames are fixed on the outer walls of the two opposite sides of the fixing columns through bolts, a power supply mechanism is arranged on the inner wall of one side of each fixing column, an air pump is fixed on the inner wall of the bottom of each fixing column through a bolt, one end of the air pump is connected with a connecting pipe in an inserting mode, one end of the connecting pipe penetrates through the outer wall of one side of each fixing column and is located on the outer side of the corresponding fixing column, an air exhaust pipe is connected with the other end of the air, one end of the exhaust pipe is communicated with the inside of the vacuum chuck, a lip edge is bonded on the outer wall of the bottom of the vacuum chuck, and the lip edge is flush with the bottom of the hollow base.
As a still further scheme of the invention: the power supply mechanism comprises a partition plate and a storage battery, the partition plate is fixed on the position, close to the bottom, of the inner wall of one side of the fixing column through bolts, and the storage battery is clamped on the outer wall of the top of the partition plate.
As a still further scheme of the invention: a folding plate is fixed on the outer wall of one side of the hollow base through bolts, a brake universal wheel is fixed on the inner wall of the top of the folding plate through bolts, and the outer wall of the bottom of the brake universal wheel is flush with the bottom of the hollow base.
As a still further scheme of the invention: and a signal lamp is fixed on the outer wall of one side of the fixed column through a bolt.
As a still further scheme of the invention: the human body infrared detector is fixed on the position, close to the top, of the outer wall of one side of the fixed column through a bolt, the control box is fixed on the outer wall of one side of one fixed column through a bolt, the processor is fixed on the inner wall of the bottom of the control box through a bolt, and the audible and visual alarm is fixed on the outer wall of the top of the fixed column through a bolt.
As a still further scheme of the invention: the signal output end of the human body infrared detector is connected with the signal input end of the processor through a signal wire, and the signal output end of the processor is connected with the signal input end of the audible and visual alarm through a signal wire.
As a still further scheme of the invention: a plurality of baffles are fixed on the outer wall of the bottom of the telescopic frame through bolts, and light reflecting strips are bonded on the outer wall of one side of each baffle.
As a still further scheme of the invention: rubber pads are bonded on the outer walls of the two sides of the two fixing columns.
As a still further scheme of the invention: a plurality of protective soft cushions are bonded on the outer walls of the two sides of the telescopic frame.
The invention has the beneficial effects that:
1. the vacuum sucker is arranged in the hollow base of the device, after the telescopic frame is opened when the device is in safety isolation, the two hollow bases are placed on the ground, the vacuum sucker is in contact with the ground, then a worker presses the vacuum sucker and starts the air pump to suck out air in the vacuum sucker, so that the vacuum sucker tightly adsorbs the ground to be fixed and is not easy to topple over due to the influence of external force;
2. the human body infrared detector is arranged on the outer side of the device and can be set to detect the existence of a human body within two meters, if the existence of the human body within two meters is detected, a signal is transmitted to the processor, and the processor analyzes and processes the signal and transmits the signal to the audible and visual alarm to give an alarm, so that the warning effect of the device is enhanced, and inconvenience caused by approaching of pedestrians is avoided;
3. the bottom of device expansion bracket is equipped with baffle and reflection of light strip, has strong warning effect night, and both sides can be equipped with intermittent type scintillation's signal lamp, and warning effect is obvious, and rubber pad and protection cushion play certain buffering effect when the device is struck.
Drawings
FIG. 1 is a schematic view of an overall structure of an embodiment 1 of a safety barrier convenient to disassemble and assemble for subway construction according to the present invention;
FIG. 2 is a schematic partial perspective view of a safety barrier in an embodiment 1 of the invention, which is convenient for disassembly and assembly in subway construction;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 4 is a schematic front view of a safety barrier embodiment 2 for facilitating assembly and disassembly in subway construction according to the present invention.
In the figure: the device comprises a hollow base 1, a partition plate 2, a fixed column 3, a storage battery 4, a signal lamp 5, an audible and visual alarm 6, a telescopic frame 7, a control box 8, a processor 9, a folding plate 10, a brake universal wheel 11, a reflective strip 12, a baffle 13, a lip edge 14, a clamping seat 15, a circular through hole 16, a vacuum sucker 17, a connecting pipe 18, an air pump 19, an exhaust pipe 20, an electromagnetic valve 21, a rubber pad 22, a protective soft cushion 23 and a human body infrared detector 24.
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.
Example 1
Referring to fig. 1-3, a safety barrier for subway construction, which is convenient to disassemble and assemble, comprises two hollow bases 1, wherein clamping seats 15 are clamped on the outer walls of the tops of the two hollow bases 1, fixed columns 3 are fixed on the outer walls of the tops of the clamping seats 15 through bolts, circular through holes 16 are formed in the outer walls of the tops of the clamping seats 15, the interiors of the fixed columns 3 are communicated with the bottoms of the hollow bases 1 through the circular through holes 16, telescopic frames 7 are fixed on the outer walls of the opposite sides of the two fixed columns 3 through bolts, a power supply mechanism is arranged on the inner wall of one side of each fixed column 3, air pumps 19 are fixed on the inner walls of the bottoms of the fixed columns 3 through bolts, one ends of the air pumps 19 are inserted with connecting pipes 18, one ends of the connecting pipes 18 penetrate through the outer walls of one sides of the fixed columns 3 and are positioned on the outer sides of the fixed columns, a vacuum chuck 17 is fixed on the inner wall of the top of the hollow base 1 through a bolt, one end of an exhaust pipe 20 is communicated with the inside of the vacuum chuck 17, a lip edge 14 is bonded on the outer wall of the bottom of the vacuum chuck 17, and the lip edge 14 is flush with the bottom of the hollow base 1.
According to the invention, the power supply mechanism comprises a partition plate 2 and a storage battery 4, the partition plate 2 is fixed on the position, close to the bottom, of the inner wall of one side of the fixed column 3 through bolts, the storage battery 4 is clamped on the outer wall of the top of the partition plate 2, a folded plate 10 is fixed on the outer wall of one side of the hollow base 1 through bolts, a brake universal wheel 11 is fixed on the inner wall of the top of the folded plate 10 through bolts, and the outer wall of the bottom of the brake universal wheel 11 is flush with the bottom of the hollow base 1.
There is signal lamp 5 through the bolt fastening on one side outer wall of fixed column 3, the position that one side outer wall of fixed column 3 is close to the top is through bolt fastening has human infrared detector 24, there is control box 8 through the bolt fastening on one side outer wall of a fixed column 3, there is treater 9 through the bolt fastening on the bottom inner wall of control box 8, there is audible-visual annunciator 6 through the bolt fastening on the top outer wall of fixed column 3, human infrared detector 24's signal output part passing signal line links to each other with treater 9's signal input part, treater 9's signal output part passing signal line links to each other with audible-visual annunciator 6's signal input part, there are a plurality of baffles 13 through the bolt fastening on the bottom outer wall of expansion bracket 7, all bond on one side outer wall of baffle 13 and have reflection of light.
When the device is used, the storage battery 4 is arranged in the fixed column 3 and can be used as an integral power supply of the device to supply power, when the device is not used, the telescopic frame 7 is in a storage state, the vacuum chuck 17 is in a non-adsorption state, then the device can be moved by using the brake universal wheels 11 on two sides of the device, after the device is moved to a proper position, the telescopic frame 7 is unfolded, the hollow base 1 is attached to the ground, then a worker presses the vacuum chuck 17 to start the air pump 19, the electromagnetic valve 21 is opened to draw out air in the vacuum chuck 17, so that the lip edge 14 is tightly adsorbed and fixed with the ground, then the electromagnetic valve 21 and the air pump 19 are closed, after the device is fixed, the device is used as a safety barrier to be isolated, the signal lamp 5 intermittently flickers, the light reflecting strip 12 plays a warning role at night, the human body infrared detector, if detect the human body in two meters then can give treater 9 with signal transmission, be about to signal transmission for audible-visual annunciator 6 behind the 9 analysis processes of treater, make it report to the police to strengthen the warning effect of device, avoid the pedestrian to be close to and cause inconvenience, the device is whole to be fixed through the bolt, is convenient for dismantle.
Example 2
Referring to fig. 4, in the safety isolation fence convenient to assemble and disassemble for subway construction, in this embodiment, compared with embodiment 1, rubber pads 22 are bonded on the outer walls of two sides of two fixed columns 3, and a plurality of protective soft pads 23 are bonded on the outer walls of two sides of the telescopic frame 7.
During the use, be equipped with rubber pad 22 on the outer wall of fixed column 3, be equipped with protection cushion 23 on the outer wall of expansion bracket 7, can both play fine buffering effect, reduce the damage degree that external striking caused the device.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A safety isolation fence convenient to disassemble and assemble for subway construction comprises two hollow bases (1) and is characterized in that clamping seats (15) are clamped on the outer walls of the tops of the two hollow bases (1), fixed columns (3) are fixed on the outer walls of the tops of the clamping seats (15) through bolts, circular through holes (16) are formed in the outer walls of the tops of the clamping seats (15), the interiors of the fixed columns (3) are communicated with the bottoms of the hollow bases (1) through the circular through holes (16), telescopic frames (7) are fixed on the outer walls of one sides, opposite to the two fixed columns (3), of the two fixed columns (3) through bolts, a power supply mechanism is arranged on the inner wall of one side of each fixed column (3), an air pump (19) is fixed on the inner wall of the bottom of each fixed column (3) through bolts, a connecting pipe (18) is inserted into one end of each air pump (19), one end of each connecting pipe (18) penetrates through the outer, the other end of air pump (19) is pegged graft and is had exhaust tube (20), there is solenoid valve (21) through the bolt fastening on one side outer wall of exhaust tube (20), there is vacuum chuck (17) through the bolt fastening on the top inner wall of cavity base (1), and the one end of exhaust tube (20) is linked together with the inside of vacuum chuck (17), it has lip limit (14) to bond on the bottom outer wall of vacuum chuck (17), lip limit (14) and the bottom parallel and level of cavity base (1).
2. The safety isolation fence convenient to disassemble and assemble for subway construction according to claim 1, wherein said power supply mechanism comprises a partition board (2) and a storage battery (4), said partition board (2) is fixed on the position near the bottom of the inner wall of one side of the fixed column (3) through bolts, and the storage battery (4) is clamped on the outer wall of the top of the partition board (2).
3. The safety isolation fence convenient to disassemble and assemble for subway construction according to claim 1 or 2, wherein a folding plate (10) is fixed on the outer wall of one side of the hollow base (1) through bolts, a brake universal wheel (11) is fixed on the inner wall of the top of the folding plate (10) through bolts, and the outer wall of the bottom of the brake universal wheel (11) is flush with the bottom of the hollow base (1).
4. The safety isolation fence convenient to disassemble and assemble for subway construction according to claim 1, wherein a signal lamp (5) is fixed on the outer wall of one side of the fixed column (3) through a bolt.
5. The safety isolation fence convenient to disassemble and assemble for subway construction according to claim 4, wherein a human body infrared detector (24) is fixed to a position, close to the top, of an outer wall of one side of each fixed column (3) through a bolt, a control box (8) is fixed to an outer wall of one side of one fixed column (3) through a bolt, a processor (9) is fixed to an inner wall of the bottom of the control box (8) through a bolt, and an audible and visual alarm (6) is fixed to an outer wall of the top of each fixed column (3) through a bolt.
6. The safety isolation fence convenient to disassemble and assemble for subway construction as claimed in claim 5, wherein said human body infrared detector (24) has its signal output terminal connected with the signal input terminal of the processor (9) through a signal line, and the signal output terminal of the processor (9) is connected with the signal input terminal of the audible and visual alarm (6) through a signal line.
7. The safety isolation fence convenient to disassemble and assemble for subway construction according to claim 1, wherein a plurality of baffles (13) are fixed on the outer wall of the bottom of the expansion bracket (7) through bolts, and the outer wall of one side of each baffle (13) is adhered with a light reflecting strip (12).
8. The safety isolation fence convenient to disassemble and assemble for subway construction as claimed in claim 1, wherein rubber pads (22) are adhered to the outer walls of both sides of said two fixing columns (3).
9. A safety barrier for subway construction convenient to disassemble and assemble according to claim 8, wherein a plurality of protective soft pads (23) are adhered on the outer wall of both sides of said telescopic frame (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011413302.3A CN112502531A (en) | 2020-12-07 | 2020-12-07 | Subway construction is with safe isolated column convenient to dismouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011413302.3A CN112502531A (en) | 2020-12-07 | 2020-12-07 | Subway construction is with safe isolated column convenient to dismouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112502531A true CN112502531A (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011413302.3A Pending CN112502531A (en) | 2020-12-07 | 2020-12-07 | Subway construction is with safe isolated column convenient to dismouting |
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| Country | Link |
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| CN (1) | CN112502531A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736632A (en) * | 2019-01-16 | 2019-05-10 | 长沙伯劳智能科技有限公司 | A kind of power construction equipment safety guide rail |
| CN208934527U (en) * | 2018-08-24 | 2019-06-04 | 中铁一局集团天津建设工程有限公司 | A kind of stable construction guardrail of construction site Special safety |
| CN208981920U (en) * | 2018-08-17 | 2019-06-14 | 江苏省苏中建设集团股份有限公司 | A kind of high-altitude protective fence of construction good warning effect |
| CN210239320U (en) * | 2019-05-24 | 2020-04-03 | 方盼 | Warning rail is used in electric power engineering construction |
| WO2020108095A1 (en) * | 2018-11-30 | 2020-06-04 | 江苏中电科电力建设有限公司 | Fence for electric power engineering site |
-
2020
- 2020-12-07 CN CN202011413302.3A patent/CN112502531A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208981920U (en) * | 2018-08-17 | 2019-06-14 | 江苏省苏中建设集团股份有限公司 | A kind of high-altitude protective fence of construction good warning effect |
| CN208934527U (en) * | 2018-08-24 | 2019-06-04 | 中铁一局集团天津建设工程有限公司 | A kind of stable construction guardrail of construction site Special safety |
| WO2020108095A1 (en) * | 2018-11-30 | 2020-06-04 | 江苏中电科电力建设有限公司 | Fence for electric power engineering site |
| CN109736632A (en) * | 2019-01-16 | 2019-05-10 | 长沙伯劳智能科技有限公司 | A kind of power construction equipment safety guide rail |
| CN210239320U (en) * | 2019-05-24 | 2020-04-03 | 方盼 | Warning rail is used in electric power engineering construction |
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Application publication date: 20210316 |
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