CN113846859A - Self-closing face frontier defense guardrail - Google Patents
Self-closing face frontier defense guardrail Download PDFInfo
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- CN113846859A CN113846859A CN202111314660.3A CN202111314660A CN113846859A CN 113846859 A CN113846859 A CN 113846859A CN 202111314660 A CN202111314660 A CN 202111314660A CN 113846859 A CN113846859 A CN 113846859A
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- 230000007123 defense Effects 0.000 title abstract description 25
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000010276 construction Methods 0.000 abstract description 13
- 230000008034 disappearance Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 238000009435 building construction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
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Abstract
The invention discloses a self-closing type limb protection guardrail, which comprises a protection frame and a hydraulic hinge, wherein the protection frame is provided with a first end and a second end; the hydraulic hinge comprises a main body part fixed on the base point, the end part of the main body part is provided with a hinged arm, one end of the hinged arm hinged to the main body part is a fixed point, the other end of the hinged arm is a first movable point, and the first movable point can circumferentially rotate around the fixed point; the other end of the hinged arm is hinged with the bottom of the protection frame, the top of the protection frame is a second moving point, and the second moving point can circumferentially rotate around the first moving point; the rotating direction of the second moving point around the first moving point is opposite to the rotating direction of the first moving point around the fixed point; the hydraulic hinge is positioned at the side adjacent to the protective frame; the side that faces of protection frame still is equipped with the obstacle, the obstacle is used for blockking the protection frame and rotates towards the side that faces. This scheme of adoption can need not to demolish when secondary structure construction etc. makes personnel can pass through temporarily and face frontier defense guardrail, and can resume the normal position immediately after personnel pass through to prevent to appear facing the great potential safety hazard of frontier defense disappearance.
Description
Technical Field
The invention relates to the technical field of building construction safety protection, in particular to a self-closing type edge-approaching protection guardrail.
Background
Currently, high-altitude falling is the first killer in the field of building construction, and high-altitude falling accidents reach tens of thousands every year, and more than 80% of high-altitude falling accidents are death accidents. In order to avoid and reduce the accidental fall in the building construction process, the frontier defense guardrail is one of the indispensable safety protection appliances.
At present, the wide border protection guardrail that uses of job site mainly has two kinds: one is a combined guard rail of a steel pipe and a fastener, and the other is a shaped edge guard rail. The former has the advantages of convenient on-site material taking, convenient assembly and disassembly, flexible erection and the like, and is widely applied to construction sites. But has the following disadvantages: firstly, the steel pipe and the fastener are relatively heavy; secondly, the cost is increased because the protection lengths at all positions are different and the protection is difficult to use in a circulating way; thirdly, the process is rough, the stability is poor, and the requirement of increasingly-enhanced standardized civilized construction site safety protection is difficult to meet. The latter has the advantages of beauty and practicability, and is widely used today with the ever-increasing civilized construction requirements, however, after the latter is installed and fixed, the later can not be opened easily immediately if needing to be opened temporarily in the subsequent secondary structure construction and other operations, and the length can not be adjusted freely to be suitable for different protection lengths. Meanwhile, various current frontier defense guardrails are exposed to great potential safety hazards that the frontier defense is lost due to the fact that the frontier defense cannot be timely recovered after being dismantled in operations such as secondary structure construction and the like, and difficulty is brought to safety management.
Disclosure of Invention
The invention aims to solve the technical problem that various current edge protection guardrails cannot be timely restored after being dismounted in the operations such as secondary structure construction and the like so as to cause the loss of edge protection, and aims to provide a self-closing edge protection guardrail which solves the problem that various current edge protection guardrails cannot be timely restored after being dismounted in the operations such as secondary structure construction and the like so as to cause the loss of edge protection.
The invention is realized by the following technical scheme:
a self-closing type limb protection guardrail comprises a protection frame and a hydraulic hinge;
the hydraulic hinge comprises a main body part fixed on a base point, wherein the end part of the main body part is provided with a hinge arm, one end of the hinge arm hinged to the main body part is a fixed point, the other end of the hinge arm is a first movable point, and the first movable point can circumferentially rotate around the fixed point; the other end of the hinged arm is hinged with the bottom of the protection frame, the top of the protection frame is a second moving point, and the second moving point can circumferentially rotate around the first moving point;
the rotating direction of the second moving point around the first moving point is opposite to the rotating direction of the first moving point around the fixed point;
the hydraulic hinge is positioned at the side adjacent to the protective frame;
the side that faces of protection frame still is equipped with the obstacle, the obstacle is used for blockking the protection frame and rotates towards the side that faces.
Compared with the prior art, the scheme provides the self-closing type frontier defense guardrail which has the problems that the current various frontier defense guardrails cannot be timely restored after being dismantled in the operations such as secondary structure construction and the like so as to cause great potential safety hazards of frontier defense loss and bring difficulty to safety management; the protection frame comprises a hydraulic hinge, wherein the hydraulic hinge is arranged on one side, close to the edge, of a protection frame, a damper is arranged inside the hydraulic hinge, an articulated arm is arranged at the end of the main body part of the hydraulic hinge, two ends of the articulated arm are respectively hinged with the main body part and the bottom of the protection frame, the protection frame is vertically placed in an initial state, and when secondary construction is carried out, a person pushes or pulls the protection frame to enable the protection frame to rotate towards one side, not close to the edge, of the protection frame, the rotation direction of the articulated arm is opposite to that of the protection frame, and the other end of the articulated arm extends outwards, so that the damper inside the hydraulic hinge is driven to work; after the person passes through the hydraulic hinge, according to the working principle of the hydraulic hinge, only a certain lifting force needs to be given to the protection frame, the protection frame can automatically recover and return to the vertical state, the damper in the protection frame can buffer the recovery of the protection frame to enable the protection frame to slowly recover and control the angular velocity of the rotary recovery of the protection frame, particularly the angular velocity in a certain angular range before recovery is reduced, the beating of the person or a barrier for limiting the protection frame to topple towards the side edge is avoided, and the impact is reduced, wherein the working principle of the damper in the hydraulic hinge is the prior art, and the description is omitted; the side adjacent to the protection frame is also provided with an obstacle, wherein the obstacle can be a wall body or an upright post and other forms, and the protection frame is only required to be prevented from rotating towards the side adjacent to the protection frame; through devices such as hydraulic hinge, enable personnel temporarily through facing frontier defense guardrail, and can resume the normal position immediately after personnel pass through to prevent to face the great potential safety hazard of frontier defense disappearance.
Preferably, the articulated arm is connected with the protection frame through a connecting plate, the connecting plate is tightly attached to the bottom of the protection frame, the connecting plate and the protection frame are respectively provided with a through hole which is communicated with each other, the other end of the articulated arm is hinged at the through hole, and the through hole is used for the end part of the main body part to pass through; is used for enabling the protection frame to be stably reset.
Further preferably, the obstacle is a column, and the column is vertically arranged; used for preventing the protection frame from rotating towards the adjacent side.
Preferably, the bottom of the upright post is fixedly connected with the hydraulic hinge, the main body part is fixed with the base point through the bearing plate, the bottom of the upright post is provided with a groove capable of covering the main body part, and the bottoms on two sides of the groove are connected with the bearing plate; for protecting the hydraulic hinge.
Further optimizing, the bottom parts of the two sides of the groove are respectively provided with a steel plate, and the steel plate is in threaded connection with the bearing plate; for avoiding the destruction of the structure by special drilling for fixing the upright.
According to further optimization, the upright posts are provided with a plurality of magnets, and the magnets are used for adsorbing the protection frame; used for ensuring that the protective frame can stably play a protective role.
The protection frames are formed by splicing a plurality of transverse square tube and a plurality of vertical square tube, the protection frames are movably connected in sequence, and the rest protection frames except the protection frame connected with the hydraulic hinge can move along the length direction of the transverse square tube; used for improving the edge protection length.
The two adjacent protection frames are connected through a plurality of connecting buckles, and each transverse square-rectangular pipe of each two adjacent protection frames is buckled inside the connecting buckles; the device is used for firmly lapping the two protection frames after moving.
Further optimizing, the connecting buckle is abutted against two sides of the inner parts of the two transverse square tubes and is provided with a rubber pad; the device is used for avoiding sliding after the length between the two protective frames is adjusted.
Further optimization, the bottom of the protective frame is provided with a foot baffle plate; if objects fall down or personnel fall down and roll down to the edge of the scaffold, the foot blocking plate can block the scaffold, so that the high-altitude falling is avoided.
Compared with the prior art, the invention has the following advantages and beneficial effects:
this scheme provides a self-closing faces frontier defense guardrail, can be convenient for secondary structure construction etc. temporarily through facing frontier defense guardrail, and can resume the normal position at once after personnel pass through, prevent to face the major potential safety hazard of frontier defense loss, satisfy simultaneously freely adjust protection length, have enough to meet the need of use and pleasing to the eye repeatedly.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:
FIG. 1 is a schematic structural view of a self-closing type protective frame for an edge protection guardrail of the invention;
FIG. 2 is a front view of a self-closing edge-approaching protective barrier of the present invention;
FIG. 3 is a rear view of a self-closing frontier guardrail protection frame of the present invention;
FIG. 4 is a schematic structural view of a hydraulic hinge of the self-closing type frontier defense barrier of the present invention;
FIG. 5 is a schematic structural diagram of an upright post of the self-closing frontier defense barrier of the present invention;
FIG. 6 is a schematic view of the overlapping of the protection frame of the self-closing type edge protection guardrail of the present invention;
FIG. 7 is a schematic structural view of a connector of the self-closing type frontier defense guardrail of the invention.
Reference numbers and corresponding part names in the drawings:
1-protective frame, 2-vertical square tube, 3-transverse square tube, 4-foot baffle plate, 5-hydraulic hinge, 6-connecting plate, 7-bearing plate, 8-main body part, 9-upright column, 10-magnet, 11-steel plate, 12-connecting buckle, 13-rubber pad, 14-articulated arm and 15-through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
The embodiment provides a self-closing type frontier defense guardrail, which comprises a protective frame 1 and a hydraulic hinge 5 as shown in figures 1 to 7;
the hydraulic hinge 5 comprises a main body part 8 fixed on a base point, the end of the main body part 8 is provided with a hinge arm 14, one end of the hinge arm 14 hinged on the main body part 8 is a fixed point, the other end is a first movable point, and the first movable point can rotate circumferentially around the fixed point; the other end of the articulated arm 14 is articulated with the bottom of the protection frame 1, the top of the protection frame 1 is a second moving point, and the second moving point can circumferentially rotate around the first moving point;
the rotating direction of the second moving point around the first moving point is opposite to the rotating direction of the first moving point around the fixed point;
the hydraulic hinge 5 is positioned at the side adjacent to the protective frame 1;
the side that faces of protection frame 1 still is equipped with the obstacle, the obstacle is used for blockking protection frame 1 to rotate towards the side that faces.
Compared with the prior art, the scheme provides the self-closing type frontier defense guardrail which has the problems that the current various frontier defense guardrails cannot be timely restored after being dismantled in the operations such as secondary structure construction and the like so as to cause great potential safety hazards of frontier defense loss and bring difficulty to safety management; specifically, the protection frame comprises a hydraulic hinge 5, wherein the hydraulic hinge 5 is arranged on one side, facing the edge, of a protection frame 1, a damper is arranged in the hydraulic hinge 5, an articulated arm 14 is arranged at the end part of a main body part 8 of the hydraulic hinge 5, two ends of the articulated arm 14 are respectively articulated with the bottom of the main body part 8 and the protection frame 1, in an initial state, the protection frame 1 is vertically placed, in secondary construction, a person pushes or pulls the protection frame 1 to enable the protection frame 1 to rotate towards one side, not facing the edge, of the protection frame 1, at the moment, the rotation direction of the articulated arm 14 is opposite to that of the protection frame 1, and the other end of the articulated arm 14 extends outwards, so that the damper in the hydraulic hinge 5 is driven to work; after the person passes through the hydraulic hinge 5, the protection frame 1 can automatically recover and return to the vertical state only by giving a certain lifting force to the protection frame 1 according to the working principle of the hydraulic hinge 5, the damper in the protection frame 1 can buffer the recovery of the protection frame 1 to slowly recover and control the angular velocity of the rotary recovery of the protection frame, particularly reduce the angular velocity within a certain angular range before recovery, avoid flapping on the person or a barrier limiting the protection frame 1 to topple over to the side adjacent to the person and reduce impact, wherein the working principle of the damper in the hydraulic hinge 5 is the prior art, and is not repeated herein; the side adjacent to the protection frame 1 is also provided with an obstacle, wherein the obstacle can be a wall body or an upright post 9 or other forms, and the protection frame 1 is only required to be prevented from rotating towards the side adjacent to the side; through devices such as hydraulic hinge 5, enable personnel temporarily through facing frontier defense guardrail, and can resume the normal position immediately after personnel pass through to prevent to face the great potential safety hazard of frontier defense disappearance.
In this embodiment, the hinge arm 14 is connected with the protection frame 1 through the connection plate 6, the connection plate 6 is tightly attached to the bottom of the protection frame 1, the connection plate 6 and the protection frame 1 are both provided with through holes 15 which are communicated with each other, the other end of the hinge arm 14 is hinged at the through hole 15, and the through hole 15 is used for the end of the main body part 8 to pass through; because the stroke of the damper in the hydraulic hinge 5 is short, in order to enable the protective frame 1 to be reset stably, in the scheme, the articulated arm 14 is connected with the protective frame 1 through the connecting plate 6, wherein the connecting plate 6 is clung to the bottom of the protective frame 1, through holes 15 which are mutually communicated are respectively arranged on the connecting plate 6 and the protective frame 1, threaded holes are respectively arranged on both sides of the through hole 15 of the protective frame 1 and both sides of the through hole 15 of the connecting plate 6, the two are in threaded connection, and the connecting plate 6 plays a bearing role in the middle; and set up through-hole 15, when enabling protection frame 1 to reset, make the tip of main part 8 stretch into in through-hole 15, shorten both intervals, make protection frame 1 can steadily reset, wherein through-hole 15 also can be for leading to the groove, only need enable the tip of main part 8 stretch into in through-hole 15 can, wherein the position setting of through-hole 15 is on the facing side of the horizontal square tube 3 of protection frame 1 bottom, and punish separately the fluting apart from its both ends L, L value is 1/5 of protection frame 1 length L, and with through-hole 15 in the drilling of this through-hole 15 near both sides about.
In this embodiment, the obstacle is a column 9, and the column 9 is vertically placed; in order to prevent the protection frame 1 from rotating towards the adjacent side, in the scheme, when the protection frame 1 has walls at two ends to prevent the protection frame from toppling towards the adjacent side and the protection length is not more than 2m, the upright posts 9 do not need to be installed; in addition, the upright posts 9 are not only installed above the main body section of the hydraulic hinge 5, but also can be installed at any necessary place according to practical situations, wherein a plurality of upright posts 9 can be provided, a plurality of upright posts 9 can be arranged along the length direction of the protection frame 1, the upright posts 9 are made of square tubes, the length of the short sides of the square tubes is not suitable to be less than 40mm, and the wall thickness of the square tubes is not suitable to be less than 3 mm.
In this embodiment, the bottom of the upright column 9 is fixedly connected with the hydraulic hinge 5, the main body part 8 is fixed with a base point through the bearing plate 7, the bottom of the upright column 9 is provided with a groove capable of covering the main body part 8, and the bottoms on two sides of the groove are connected with the bearing plate 7; for protecting hydraulic hinge 5, in this scheme, wherein main part 8 is fixed in ground through accepting board 7, and the bottom and the hydraulic hinge 5 of stand 9 are connected, and open at the middle part position of its bottom has the recess, and the size of recess and main part 8's size phase-match for cover main part 8, and be very close to protection frame 1, be vertical state under the blockking of stand 9 when making protection frame 1 reset, reduced the injury of protection frame 1 resilience impact to hydraulic hinge 5.
In the embodiment, the bottom parts of the two sides of the groove are respectively provided with a steel plate 11, and the steel plate 11 is in threaded connection with the bearing plate 7; for avoiding boring specially and destroying the structure for fixed stand 9, in this scheme, the recess both ends in stand 9 bottom all are connected with steel sheet 11, steel sheet 11 is on a parallel with and accepts board 7, the drilling position and the size of seting up on steel sheet 11 are unanimous with the drilling position and the size on accepting board 7, so available same expansion bolts is fixed in ground with stand 9 and accepting board 7 simultaneously, in the structure is destroyed for fixed stand 9 and special boring of exempting from, reduce expansion bolts's use again, not only save the cost but also be convenient for fast ann and tear open.
In this embodiment, the upright post 9 is provided with a plurality of magnets 10, and the magnets 10 are used for adsorbing the protection frame 1; in order to enable the protection frame 1 to play a role in protection stably, in the scheme, a plurality of magnets 10 are arranged inside the upright post 9, and the protection frame 1 in the prior art is made of metal, so that the protection frame 1 can be adsorbed by the magnets 10, the positions of the magnets 10 can be just right at the positions of the transverse square and rectangular tubes 3, the heights of the magnets are not smaller than the side lengths of the transverse square and rectangular tubes 3 opposite to the transverse square and rectangular tubes, and the magnets 10 are used for enhancing the capability of keeping the protection frame 1 in a closed state and prolonging the service life of the self-closing hinge.
In the embodiment, the protection frame 1 is formed by splicing a plurality of transverse square tube 3 and a plurality of vertical square tube 2, the protection frames 1 are multiple, the protection frames 1 are sequentially and movably connected, and the rest protection frames 1 except the protection frame 1 connected with the hydraulic hinge 5 can move along the length direction of the transverse square tube 3; in order to improve the protection length of the adjacent edge, the scheme is provided with a plurality of protection frames 1, preferably 2, and the other protection frame 1 can be arranged on the non-adjacent side of the fixed protection frame 1 and can move along the length direction of the protection frame 1; the protection frame 1 is formed by splicing a plurality of transverse square tube 3 and a plurality of vertical square tube 2, preferably formed by welding two vertically placed vertical square tube 2 and a plurality of transversely placed transverse square tube 3, as shown in fig. 1; the height H of the vertical square and rectangular tube 2 is not less than 1200mm and is positioned at the left side and the right side of the protection frame 1; the transverse square tube 3 is positioned between the vertical square tube 2 at the left side and the right side, the distance d between every two adjacent transverse square tubes 3 is not more than 300mm, and the number of the transverse square tubes 3 is determined; wherein the side length of the short side of the square tube used by the protective frame 1 is not more than 30mm, and the wall thickness is not more than 2 mm; the length L of the protection frame 1 is provided with two specifications of 1m and 2m, different protection length requirements can be met through overlapping and adjusting, when the protection length is less than 1m, the protection frame 1 can be installed by rotating 90 degrees, and the hydraulic hinge 5 is installed on the left side wall or the right side wall to achieve protection; the protection frame 1 with the length of 2m is preferably selected during lapping, and the protection frame 1 with the length of 1m is selected when the remaining protection length is not more than 1m, so that the lapping times and the use of the connecting buckle 12 can be reduced, and overlong lapping overlapped sections can be avoided; the overlapped protection frame 1 can be rotated and opened without the whole length, and one or more positions can be rotated and opened to achieve the aim of the invention.
In this embodiment, two adjacent protection frames 1 are connected by a plurality of connecting buckles 12, and the connecting buckles 12 buckle one transverse square tube 3 of each of the two adjacent protection frames 1; for firmly connecting the two protection frames 1 after moving.
In this embodiment, the connecting fastener 12 is abutted to two sides of the inner parts of the two transverse square tubes 3 and is provided with a rubber pad 13; for preventing the two protection frames 1 from sliding after adjusting the length.
In this embodiment, the bottom of the protection frame 1 is provided with a foot blocking plate 4; if an object falls down or a person falls down and rolls to the edge of the scaffold, the foot blocking plate 4 can block the scaffold to avoid high-altitude falling, the foot blocking plate 4 is arranged at the lower end of the side of the protection frame 1, which is not adjacent to the scaffold, and the height h is not less than 180 mm.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A self-closing type limb protection guardrail comprises a protection frame (1) and is characterized by also comprising a hydraulic hinge (5);
the hydraulic hinge (5) comprises a main body part (8) fixed on a base point, an articulated arm (14) is arranged at the end part of the main body part (8), one end of the articulated arm (14) articulated to the main body part (8) is a fixed point, the other end of the articulated arm is a first movable point, and the first movable point can rotate circumferentially around the fixed point; the other end of the articulated arm (14) is hinged with the bottom of the protection frame (1), the top of the protection frame (1) is a second moving point, and the second moving point can circumferentially rotate around the first moving point;
the rotating direction of the second moving point around the first moving point is opposite to the rotating direction of the first moving point around the fixed point;
the hydraulic hinge (5) is positioned at the side adjacent to the protective frame (1);
the side that faces of protection frame (1) still is equipped with the obstacle, the obstacle is used for blockking protection frame (1) to rotate towards the side that faces.
2. The self-closing type limb protection fence according to claim 1, wherein the hinged arm (14) is connected with the protection frame (1) through a connecting plate (6), the connecting plate (6) is tightly attached to the bottom of the protection frame (1), the connecting plate (6) and the protection frame (1) are respectively provided with a through hole (15) which is communicated with each other, the other end of the hinged arm (14) is hinged at the through hole (15), and the through hole (15) is used for the end part of the main body part (8) to pass through.
3. A self-closing frontier guardrail according to claim 1 characterized in that the obstacle is a post (9), the post (9) being placed vertically.
4. The self-closing type limb protection fence according to claim 3 is characterized in that the bottom of the upright post (9) is fixedly connected with the hydraulic hinge (5), the main body part (8) is fixed with a base point through the bearing plate (7), the bottom of the upright post (9) is provided with a groove which can cover the main body part (8), and the bottoms of two sides of the groove are connected with the bearing plate (7).
5. The self-closing type limb protection fence according to claim 4, wherein the bottom of the two sides of the groove is provided with a steel plate (11), and the steel plate (11) is in threaded connection with the bearing plate (7).
6. A self-closing frontier guard rail according to claim 3, characterized in that the uprights (9) carry a plurality of magnets (10), said magnets (10) being intended to attract the guard frame (1).
7. The self-closing type limb guardrail according to claim 1, wherein the protection frame (1) is formed by splicing a plurality of transverse square tubes (3) and a plurality of vertical square tubes (2), the protection frame (1) is provided with a plurality of protection frames (1), the protection frames (1) are sequentially and movably connected, and the rest protection frames (1) can move along the length direction of the transverse square tubes (3) except the protection frame (1) connected with the hydraulic hinge (5).
8. The self-closing type limb edge protection guardrail according to claim 7, characterized in that two adjacent protection frames (1) are connected through a plurality of connecting buckles (12), and the connecting buckles (12) are used for buckling one transverse square tube (3) in each two adjacent protection frames (1).
9. The self-closing type limb protection fence according to claim 1, wherein the connecting buckle (12) is abutted against two inner sides of the two transverse square tubes (3) and is provided with rubber pads (13).
10. A self-closing edge-approaching protective fence according to claim 1, characterized in that the bottom of the protective frame (1) is provided with a foot-stopping board (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111314660.3A CN113846859A (en) | 2021-11-08 | 2021-11-08 | Self-closing face frontier defense guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111314660.3A CN113846859A (en) | 2021-11-08 | 2021-11-08 | Self-closing face frontier defense guardrail |
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| Publication Number | Publication Date |
|---|---|
| CN113846859A true CN113846859A (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111314660.3A Pending CN113846859A (en) | 2021-11-08 | 2021-11-08 | Self-closing face frontier defense guardrail |
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| Country | Link |
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| CN (1) | CN113846859A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201095862Y (en) * | 2007-09-05 | 2008-08-06 | 姜中璋 | Steel pipe scaffold lapping lock piece |
| CN208024157U (en) * | 2018-03-27 | 2018-10-30 | 广东星鹏实业有限公司 | One kind being used for door-plate rotating device |
| CN209369388U (en) * | 2018-12-20 | 2019-09-10 | 武汉建工集团股份有限公司 | A kind of self-closing protective door for elevator shaft |
-
2021
- 2021-11-08 CN CN202111314660.3A patent/CN113846859A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201095862Y (en) * | 2007-09-05 | 2008-08-06 | 姜中璋 | Steel pipe scaffold lapping lock piece |
| CN208024157U (en) * | 2018-03-27 | 2018-10-30 | 广东星鹏实业有限公司 | One kind being used for door-plate rotating device |
| CN209369388U (en) * | 2018-12-20 | 2019-09-10 | 武汉建工集团股份有限公司 | A kind of self-closing protective door for elevator shaft |
Non-Patent Citations (1)
| Title |
|---|
| 四川华西集团有限公司等: "《四川省建筑工程施工标准化安全防护设施图集》", 30 November 2016, 成都：西南交通大学出版社 * |
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Application publication date: 20211228 |
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| RJ01 | Rejection of invention patent application after publication |