CN108842667B - Suspension type safety warning fence - Google Patents
Suspension type safety warning fence Download PDFInfo
- Publication number
- CN108842667B CN108842667B CN201810764856.4A CN201810764856A CN108842667B CN 108842667 B CN108842667 B CN 108842667B CN 201810764856 A CN201810764856 A CN 201810764856A CN 108842667 B CN108842667 B CN 108842667B
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- clamping jaws
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- 239000000725 suspension Substances 0.000 title claims description 16
- 239000004744 fabric Substances 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 abstract description 2
- 210000000078 claw Anatomy 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Emergency Alarm Devices (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention provides a suspended safety warning fence, which belongs to the technical field of power maintenance tools and comprises a bracket connected with an external hanging rod of high-altitude power equipment, wherein a warning element coated with a warning mark is arranged between the upper part and the lower part of the bracket, and the warning element is arranged on the outer side of charged equipment in the high-altitude power equipment. The invention has convenient operation and high safety factor, and the warning element coated with the warning mark is arranged outside the live equipment by the support through the connection of the support and the hanging rod outside the overhead power equipment, thereby playing a warning role for surrounding personnel, realizing the effective isolation of the live equipment and the power failure equipment and ensuring the safe maintenance of the power equipment.
Description
Technical Field
The invention belongs to the technical field of power maintenance tools, and particularly relates to a suspended safety warning fence.
Background
Due to the particularity of electric power overhaul, the safety requirement is very high, and the following arrangement requirements need to be met based on the safety measures of the electric power overhaul pre-test working site:
1. the safety of site work is met, the safety requirement of 'ten no more' is met on the electric power operation site, the electrified equipment and the maintenance equipment can be isolated in a rigid mode in all directions without dead angles, and the danger of personal electric shock is avoided when workers work.
2. Satisfy the operability that job site safety measure arranged, can carry out effectual arranging to job site's safety measure before work, save the time of arranging safety measure to guarantee that the staff can be very fast arrange on-the-spot measure, can effectually prevent to influence the production work of next day owing to arrange safety measure and make operating personnel be too tired.
3. The attractiveness of safety measure arrangement of a working site is met, the safety measures of an overhaul site can be neatly drawn, and the working smoothness of field workers can be realized from the aesthetic point of view, so that people can feel pleasurable, and the working can be smoother.
However, the existing safety warning facilities are all suitable for ground operation, and no professional safety facilities are provided for overhead electric power overhaul operation, so that potential safety hazards exist when electric power overhaul is performed at high altitude.
Disclosure of Invention
The invention aims to provide a suspended safety warning fence to solve the technical problem that potential safety hazards exist in high-altitude electric power overhaul major due to the fact that no special high-altitude safety facilities exist in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a suspension type safety warning fence, including being used for the support that links to each other with the outside peg of high altitude power equipment, be equipped with the warning element that scribbles the warning sign between the upper portion and the lower part of support, the warning element sets up the outside in high altitude power equipment live equipment.
Furthermore, the support is of a frame structure and comprises an upper frame and a lower frame, the upper frame is used for being connected with the upper hanging rod, the lower frame is used for being connected with the lower hanging rod, and the upper end and the lower end of the warning element are respectively connected with the upper frame and the lower frame.
Furthermore, the upper frame is erected above the upper hanging rod, and the lower frame is connected with the lower hanging rod through a clamping mechanism.
Furthermore, the upper frame comprises two cross beams and two longitudinal beams, the two cross beams and the two longitudinal beams form a rectangular frame, the two cross beams are arranged on the front side and the rear side of the electrified equipment, and the two longitudinal beams are arranged on the left side and the right side of the electrified equipment; the structure of the lower frame is the same as that of the upper frame; the upper end and the lower end of the warning element are respectively connected with the cross beams of the upper frame and the lower frame.
Furthermore, limiting grooves used for being matched with the hanging rods are formed in the longitudinal beams of the upper frame and the lower frame.
Furthermore, a rubber pad for skid resistance is arranged in the limiting groove.
Furthermore, the longitudinal beam is of a telescopic structure and comprises a first section and a second section, the movable ends of the first section and the second section are connected through a connecting piece, and the fixed ends of the first section and the second section are respectively connected with the cross beams on two sides.
Furthermore, the clamping mechanism comprises a base, a first pair of buckles and a second pair of buckles, wherein the base is arranged at the junction of the hanging rod and the longitudinal beam, the base is arranged above or below the junction of the hanging rod and the longitudinal beam, and the base is in contact with the hanging rod or the longitudinal beam; the first pair of buckles and the second pair of buckles are crossed, the first pair of buckles comprise two first clamping jaws with the tail ends mutually buckled, the second pair of buckles comprise two second clamping jaws with the tail ends mutually buckled, and the tail ends of the two second clamping jaws are arranged outside the tail ends of the two first clamping jaws; the other ends of the two second clamping jaws and the other ends of the two first clamping jaws are hinged to the base respectively.
Furthermore, the tail ends of the first clamping jaws are overlapped up and down, the tail ends of the second clamping jaws are provided with connecting lugs, and the connecting lugs are connected through locking pieces.
Furthermore, the middle part of the base is provided with a magnetic block, and the contact part of the hanging rod or the longitudinal beam and the base is provided with a magnetic strip which is attracted with the magnetic block.
Furthermore, the warning element is warning cloth, the fixed end of the warning cloth is connected with the upper frame, and the movable end of the warning cloth is connected with the lower frame; the upper frame is internally provided with an inner cavity for accommodating the warning cloth, a rotating shaft for driving the warning cloth to stretch is arranged in the inner cavity, and the rotating shaft is connected with the driving part.
The suspension type safety warning fence provided by the invention has the beneficial effects that: compared with the prior art, the suspension type safety warning fence has the advantages that the operation is convenient, the safety coefficient is high, the bracket is connected with the hanging rod outside the high-altitude power equipment, the warning element coated with the warning mark is arranged outside the electrified equipment by means of the bracket, the warning effect on surrounding personnel is achieved, the electrified equipment and the power failure equipment are effectively isolated, and the safety maintenance of the power equipment is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a suspended safety warning fence according to an embodiment of the present invention;
fig. 2 is a diagram illustrating a usage status of the suspended safety warning rail according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a clamping mechanism in a suspended safety warning fence according to an embodiment of the present invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a schematic structural diagram of the base in FIG. 3;
FIG. 6 is a top view of the upper frame of FIG. 2;
FIG. 7 is an A-view of the stringer of FIG. 6;
fig. 8 is a schematic view illustrating connection between warning elements and upper and lower frames in a suspended safety warning rail according to an embodiment of the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 3 at B;
FIG. 10 is a view of the second jaw end fastening tab of FIG. 3 in the direction of direction C;
wherein, in the figures, the respective reference numerals:
1-overhead power equipment, 2-hanging rods, 3-warning elements, 4-upper frames, 5-lower frames, 6-cross beams, 7-longitudinal beams, 70-first sections, 71-second sections and 72-connecting pieces; 8-base, 9-first pair of buckles, 90-first jaw, 10-second pair of buckles, 101-second jaw, 103-locking piece; 11-magnet, 12-hanging hole, 13-hanging ring, 14-limiting groove, 15-rubber pad, 16-rotating shaft and 17-notch.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the 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 is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 and fig. 2, the suspension type safety warning bar of the present invention will now be described. Suspension type safety warning fence, including being used for the support that links to each other with 1 outside peg 2 of high altitude power equipment, be equipped with the warning element 3 that scribbles the warning sign between the upper portion and the lower part of support, warning element 3 sets up the outside in high altitude power equipment 1 live device. The upper part and the lower part of the bracket are respectively connected with a hanging rod outside the high-altitude power equipment, and the warning element coated with the warning mark is hung on the outer side of the electrified equipment to play a warning role. The position of the warning element can be adjusted conveniently to correspond to different electrified devices, and the position of the warning element on the support can move left and right.
Compared with the prior art, the suspension type safety warning fence has the advantages of simple structure, convenience in operation and high safety coefficient, the support is connected with the hanging rod outside the high-altitude power equipment, the warning element coated with the warning mark is arranged on the outer side of the electrified equipment by means of the support, effective isolation of the electrified equipment and the power failure equipment is achieved, a warning effect is achieved for surrounding personnel, and safe overhaul of the power equipment is guaranteed. The invention is particularly suitable for GIS and HGIS working sites, and effectively separates the electrified equipment from the non-electrified maintenance equipment in the power failure site, thereby ensuring the safety, being easy to operate and improving the aesthetic feeling.
Further, referring to fig. 1 and 2, as a specific embodiment of the suspension type safety warning fence provided by the present invention, the bracket is of a frame structure, and includes an upper frame 4 for connecting with the upper hanging rod 2 and a lower frame 5 for connecting with the lower hanging rod 2, and the upper and lower ends of the warning element 3 are respectively connected with the upper frame 4 and the lower frame 5. The support of frame rack structure loads and unloads convenient and fast, convenient transport. Of course, the upper frame and the lower frame of the bracket can also be selected to be of a plate type structure, but the overall weight is larger than that of a frame type structure, and the frame type structure is preferred.
Further, referring to fig. 1 and 2, as a specific embodiment of the suspension type safety warning fence provided by the present invention, the upper frame 4 is erected above the upper hanging rod 2, and is placed on the upper hanging rod by the gravity of the upper frame, so that the operation is convenient; the lower frame 5 is connected with the lower hanging rod 2 through a clamping mechanism, so that the lower frame is prevented from falling or shaking in the using process.
Further, referring to fig. 1, 2, 6, and 8, as a specific embodiment of the suspension type safety warning fence provided by the present invention, the upper frame 4 includes two cross beams 6 and two longitudinal beams 7, the two cross beams 6 and the two longitudinal beams 7 form a rectangular frame, the two cross beams 6 are disposed on the front and rear sides of the live equipment, and the two longitudinal beams 7 are disposed on the left and right sides of the live equipment; the lower frame 5 has the same structure as the upper frame 4; the upper end and the lower end of the warning element 3 are respectively connected with the cross beams 6 of the upper frame 4 and the lower frame 5. The cross beams and the longitudinal beams of the upper frame and the lower frame of the rectangular frame can be movably connected, so that the rectangular frame is convenient to assemble and disassemble. The high-altitude power equipment is overhauled, and the upper frame and the lower frame can be detached, so that the collection and the transportation are convenient.
Further, referring to fig. 1, 2, 6, 7 and 8, as a specific embodiment of the suspension type safety warning fence provided by the present invention, the longitudinal beams 7 of the upper frame 4 and the lower frame 5 are provided with limiting grooves 14 for cooperating with the hanging rod 2. The limiting groove 14 is internally provided with an anti-skid rubber pad 15, so that the longitudinal beam can be prevented from moving on the hanging rod by means of the rubber pad, and the longitudinal beam and the hanging rod are ensured to be fixedly connected. Of course, if the mounting direction of the hanging rod is changed, the limiting groove can be arranged on the cross beam.
Further, referring to fig. 6 and 7, as a specific embodiment of the suspended safety warning fence provided by the present invention, the longitudinal beam 7 is of a telescopic structure, and includes a first segment 70 and a second segment 71, movable ends of the first segment 70 and the second segment 71 are connected by a connecting member 72, and fixed ends of the first segment 70 and the second segment 71 are respectively connected with the cross beams 6 on both sides. The distance between the front and rear cross beams can be adjusted through the longitudinal beams of the telescopic structure so as to adapt to high-altitude power equipment with different widths. The connecting piece can be a sleeve, the sleeve is sleeved at the movable ends of the first section and the second section, and the distance between the first section and the second section is fixed through the positioning pin.
In a similar way, the beam can be designed into a split structure, and the distance between the two longitudinal beams can be adjusted through the connecting piece so as to adapt to power equipment with different lengths.
Further, referring to fig. 1-5, as a specific embodiment of the suspension type safety warning fence provided by the present invention, the clamping mechanism includes a base 8, a first pair of buckles 9 and a second pair of buckles 10, which are disposed at a junction of the hanging rod 2 and the longitudinal beam 7, the base 8 is disposed above or below the junction of the hanging rod 2 and the longitudinal beam 7, and the base 8 is in contact with the hanging rod 2 or the longitudinal beam 7; the first pair of buckles 9 and the second pair of buckles 10 are crossed, the first pair of buckles 9 comprises two first claws 90 with the tail ends mutually buckled, the second pair of buckles 10 comprises two second claws 101 with the tail ends mutually buckled, and the tail ends of the two second claws 101 are arranged outside the tail ends of the two first claws 90; the other ends of the two first claws 90 and the two second claws 101 are hinged to the base 8 respectively. In order to fix the lower frame and the hanging rod conveniently, the base can be placed above or below the hanging rod according to requirements. The hanging holes 12 are formed in the four corners of the base, the connecting ends of the two first clamping jaws and the two second clamping jaws are provided with hanging rings 13 matched with the hanging holes, the base can be placed at the junction of the longitudinal beam and the hanging rod during use, the tail ends of the two first clamping jaws and the tail ends of the two second clamping jaws are sequentially connected to the fastening joints, and the lower frame and the hanging rod below are connected and fixed.
Further, referring to fig. 3-5, as a specific embodiment of the suspension type safety warning fence provided by the present invention, the ends of the two first claws 90 are overlapped up and down, the ends of the two second claws 101 are provided with connecting lugs 102, and the two connecting lugs 102 are connected by a locking member 103; the middle part of the base 8 is provided with a magnetic block 11, and the contact part of the hanging rod 2 or the longitudinal beam 7 and the base 8 is provided with a magnetic strip which is attracted with the magnetic block. As shown in fig. 1 and 2, the longitudinal beam is arranged above the hanging rod, and when the magnetic pole is installed, the magnetic block in the middle of the base can be adsorbed on the magnetic strip in the middle of the upper surface of the longitudinal beam, and the base is moved to the junction of the longitudinal beam and the hanging rod; the tail ends of the two first clamping jaws are turned to the lower part of the hanging rod to be overlapped, the tail ends of the two second clamping jaws are turned to the lower part, and the connecting lugs at the tail ends of the two second clamping jaws are fixedly connected through the locking pieces. Wherein, the retaining member can be a bolt pair.
For convenience of operation, as shown in fig. 3, 9 and 10, the two engaging lugs are respectively designed as a movable engaging lug and a fixed engaging lug, the movable engaging lug is rotatably connected with the tail end of the second jaw through a rotating shaft 16, the fixed engaging lug is fixedly arranged at the tail end of the other second jaw, a bolt in the bolt pair penetrates through an installation hole of the movable engaging lug, and a notch 17 for the bolt to pass in and out is formed in the side surface of the fixed engaging lug. When the bolt pair is not used, the nut in the bolt pair can be unscrewed, the bolt is wound outside the notch, and the two second clamping jaws are opened; when the clamping device is fixed with the hanging rod, the first clamping jaw is buckled firstly, then the second clamping jaw is folded, the bolt enters the opening of the fixed connection lug in a rotating mode, and the nut is screwed tightly to realize fixed connection with the hanging rod.
Further, referring to fig. 1, 2 and 8, as a specific embodiment of the suspension type safety warning fence provided by the present invention, the warning element 3 is a warning cloth, a fixed end of the warning cloth is connected to the upper frame 4, and a movable end of the warning cloth is connected to the lower frame 5; the inner cavity used for containing the warning cloth is arranged in the upper frame 4, the rotating shaft used for driving the warning cloth to stretch is arranged in the inner cavity, and the rotating shaft is connected with the driving part. The warning cloth can be made of elastic cloth, characters of 'stopping and high-pressure danger' are printed on the warning cloth, and the warning cloth can be made of red or yellow and other relatively striking colors; one end of a rotating shaft for winding the warning cloth is provided with a torsional spring, and the working principle of the torsional spring is the same as that of a box ruler in the length measuring tool. Wherein, the crossbeam middle part of going up frame and underframe is equipped with the spout along its length direction, and the both ends of conveniently warning cloth move in the spout, and the position of adjustment warning cloth to adjust the position outside of live equipment with warning cloth, effectively play the warning effect.
The specific application process of the invention is as follows: firstly, assembling an upper frame and a lower frame, adjusting the size or the distance between the upper frame and the lower frame according to the size of power equipment, erecting the upper frame on a hanging rod above, and fitting limiting grooves on two sides of a longitudinal beam with the hanging rod; then the warning cloth is stretched downwards, the lower frame is contacted with the hanging rod below, the base of the clamping mechanism slides to the junction of the longitudinal beam and the hanging rod, the tail ends of the two first clamping jaws are overlapped, and the tail end connecting lugs of the two second clamping jaws are connected and fixed through a bolt pair, so that the longitudinal beam and the hanging rod below are fixed, and the upper frame and the lower frame are guaranteed to be fixed in the operation process; then, the warning cloth slides to the outer side of the live equipment, and the installation of the safety warning fence can be completed. The invention has simple operation, can be completed by only one person, and can be assisted by adding one pull rod if the position distance is far away.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. Suspension type safety warning fence, its characterized in that: the warning device comprises a bracket used for being connected with an external hanging rod of the high-altitude power equipment, wherein a warning element coated with a warning mark is arranged between the upper part and the lower part of the bracket, and the warning element is arranged on the outer side of the electrified equipment in the high-altitude power equipment;
the warning device comprises a warning element, a bracket, a warning element and a control unit, wherein the warning element is arranged on the bracket and comprises an upper frame and a lower frame, the upper frame is connected with an upper hanging rod, the lower frame is connected with a lower hanging rod, and the upper end and the lower end of the warning element are respectively connected with the upper frame and the lower frame; the upper frame is erected above the upper hanging rod, and the lower frame is connected with the lower hanging rod through a clamping mechanism;
the upper frame comprises two cross beams and two longitudinal beams, the two cross beams and the two longitudinal beams form a rectangular frame, the two cross beams are arranged on the front side and the rear side of the electrified equipment, and the two longitudinal beams are arranged on the left side and the right side of the electrified equipment; the structure of the lower frame is the same as that of the upper frame; the upper end and the lower end of the warning element are respectively connected with the cross beams of the upper frame and the lower frame;
the clamping mechanism comprises a base, a first pair of buckles and a second pair of buckles, wherein the base is arranged at the junction of the hanging rod and the longitudinal beam, the base is arranged above or below the junction of the hanging rod and the longitudinal beam, and the base is in contact with the hanging rod or the longitudinal beam; the first pair of buckles and the second pair of buckles are crossed, the first pair of buckles comprise two first clamping jaws with the tail ends mutually buckled, the second pair of buckles comprise two second clamping jaws with the tail ends mutually buckled, and the tail ends of the two second clamping jaws are arranged outside the tail ends of the two first clamping jaws; the other ends of the two second clamping jaws and the other ends of the two first clamping jaws are hinged with the base respectively; the tail ends of the two first clamping jaws are overlapped up and down, the tail ends of the two second clamping jaws are provided with connecting lugs, and the two connecting lugs are connected through locking pieces; the middle part of the base is provided with a magnetic block, and the contact part of the hanging rod or the longitudinal beam and the base is provided with a magnetic strip which is attracted with the magnetic block.
2. The suspended safety warning rail of claim 1, wherein: limiting grooves used for being matched with the hanging rods are formed in the longitudinal beams of the upper frame and the lower frame.
3. The suspended safety warning rail of claim 2, wherein: and a rubber pad for skid resistance is arranged in the limiting groove.
4. The suspended safety warning rail of claim 1, wherein: the longitudinal beam is of a telescopic structure and comprises a first section and a second section, the movable ends of the first section and the second section are connected through a connecting piece, and the fixed ends of the first section and the second section are respectively connected with the cross beams on two sides.
5. The suspended safety warning rail of any one of claims 1-4, wherein: the warning element is warning cloth, the fixed end of the warning cloth is connected with the upper frame, and the movable end of the warning cloth is connected with the lower frame; the upper frame is internally provided with an inner cavity for accommodating the warning cloth, a rotating shaft for driving the warning cloth to stretch is arranged in the inner cavity, and the rotating shaft is connected with the driving part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764856.4A CN108842667B (en) | 2018-07-12 | 2018-07-12 | Suspension type safety warning fence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810764856.4A CN108842667B (en) | 2018-07-12 | 2018-07-12 | Suspension type safety warning fence |
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| Publication Number | Publication Date |
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| CN108842667A CN108842667A (en) | 2018-11-20 |
| CN108842667B true CN108842667B (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810764856.4A Active CN108842667B (en) | 2018-07-12 | 2018-07-12 | Suspension type safety warning fence |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1652939A (en) * | 1927-01-31 | 1927-12-13 | William H Holmes | Paper-supporting device |
| CN202080287U (en) * | 2011-03-15 | 2011-12-21 | 南京南车浦镇城轨车辆有限责任公司 | Metro vehicle end operation protecting device |
| CN202380710U (en) * | 2011-12-07 | 2012-08-15 | 浙江长永建设有限公司 | Scaffold buckle element |
| CN203716530U (en) * | 2014-01-03 | 2014-07-16 | 西华企业股份有限公司 | Shielding support structure |
-
2018
- 2018-07-12 CN CN201810764856.4A patent/CN108842667B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1652939A (en) * | 1927-01-31 | 1927-12-13 | William H Holmes | Paper-supporting device |
| CN202080287U (en) * | 2011-03-15 | 2011-12-21 | 南京南车浦镇城轨车辆有限责任公司 | Metro vehicle end operation protecting device |
| CN202380710U (en) * | 2011-12-07 | 2012-08-15 | 浙江长永建设有限公司 | Scaffold buckle element |
| CN203716530U (en) * | 2014-01-03 | 2014-07-16 | 西华企业股份有限公司 | Shielding support structure |
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| Publication number | Publication date |
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| CN108842667A (en) | 2018-11-20 |
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