CN111519541B - Bridge construction protector - Google Patents
Bridge construction protector Download PDFInfo
- Publication number
- CN111519541B CN111519541B CN202010384678.XA CN202010384678A CN111519541B CN 111519541 B CN111519541 B CN 111519541B CN 202010384678 A CN202010384678 A CN 202010384678A CN 111519541 B CN111519541 B CN 111519541B
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- 238000010276 construction Methods 0.000 title claims abstract description 31
- 230000001012 protector Effects 0.000 title description 4
- 230000001681 protective effect Effects 0.000 claims description 50
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000013459 approach Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a bridge construction protection device, which structurally comprises a fixed frame, a bottom plate, side protection structures, a cross frame and a protection net, wherein the bottom plate is horizontally arranged at the upper end of the fixed frame; set up the movable frame in the active structure upper end, carry out abundant restriction to the position with the rail, and then prevent to have the space, guaranteed the comprehensive of construction protection, and then improved the security of construction.
Description
Technical Field
The invention belongs to the field of bridge construction, and particularly relates to a bridge construction protection device.
Background
In the bridge construction, included the construction to the construction of pier and bridge floor, wherein the same enclosure that needs to the bridge floor is under construction in the construction of bridge floor, all forms for concrete placement in highway's bridge floor enclosure, in its drawing of patterns and maintenance, all need to work to the outside of enclosure, and because the higher safety need of guaranteeing constructor of bridge protects it, so need use bridge construction protector, but prior art exists following not enoughly:
because the rail of bridge gathers by the lower extreme to the upper end bending, the position between the lower extreme is different in the protrusion, when carrying out regional protection, will make the contact area formation unloading of side and rail, causes the regional protection of side to have the breach, makes its protection to staff incomplete, has reduced the security in the construction.
This application provides a bridge construction protector with this, improves above-mentioned defect.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a bridge construction protection device, which solves the problems that in the prior art, because fences of a bridge are bent and converged from the lower end to the upper end to form different positions between the upper end and the lower end, when the region protection is carried out, the contact region between the side surface and the fence is emptied, so that the side surface region protection has a gap, the protection of the side surface region is incomplete to workers, and the safety in construction is reduced.
In order to achieve the purpose, the invention is realized by the following technical scheme: a bridge construction protection device structurally comprises a fixing frame, a bottom plate, side protection structures, crossbearers and a protection net, wherein the bottom plate is horizontally arranged at the upper end of the fixing frame and welded with the fixing frame; the side protective structure comprises a fixing frame, a fixed protective net and a movable protective net, wherein the fixed protective net is fixedly installed on the inner side of the fixing frame and welded with the inner side of the fixing frame, and the movable protective net is horizontally installed on the side surface of the fixed protective net and movably connected with the side surface of the fixed protective net.
The invention is further improved, the movable protective net comprises a movable structure, a connecting frame, a movable frame and a net body, wherein the connecting frame is arranged on the side surface of the movable structure and movably connected, the connecting frame penetrates through the inner side of the movable frame and is mechanically connected, and the net body is arranged on the inner side of the movable frame and is welded with the movable frame.
The invention is further improved, the movable structure comprises a guide frame, a sliding groove, an inner clamping block and a sliding structure, the sliding groove is arranged on the inner side of the guide frame and is of an integrated structure, the inner clamping block is arranged on the inner side of the guide frame and is welded with the inner clamping block, and the sliding structure is movably connected with the sliding groove and is clamped with the inner clamping block.
The invention is further improved, the sliding structure comprises a sliding plate, an inner sliding block and a clamping structure, the inner sliding block is arranged on the front surface of the sliding plate and welded with the sliding plate, and the clamping structure is embedded in the inner side of the inner sliding block and clamped between inner clamping blocks.
The invention is further improved, the clamping structure comprises a frame, movable blocks, a reset frame, a compression plate and a spring, the movable blocks are arranged on the inner side of the frame and movably connected, the reset frame is arranged on the inner side of the frame and abuts against the movable blocks, the compression plate is arranged on the inner side of the reset frame and movably connected, the spring is arranged on the inner side of the frame, two ends of the spring abut against the compression plate, and the movable blocks are clamped with the inner clamping blocks.
The invention is further improved, the right end of the movable block is bent inwards to form an arc-shaped structure, and the left end of the inner clamping block is bent inwards to form an arc-shaped structure.
The invention is further improved, the movable frame comprises a frame body, side plates, a movable rod and a thread block, the side plates are arranged on the side surfaces of the frame body and are welded, the movable rod penetrates through the inner sides of the side plates and is movably connected, and the thread block is fixed at the upper ends of the side plates and is in threaded connection with the movable rod.
The invention is further improved, the movable rod comprises a rod body, a thread surface, an outer edge and a convex block, the thread surface is arranged on the outer side of the rod body and is of an integrated structure, the outer edge is fixedly arranged on the right side of the rod body and is welded with the rod body, the convex blocks are uniformly distributed on the outer side of the outer edge, and the outer edge is of a hemispherical structure.
According to the technical scheme, the bridge construction protection device provided by the invention comprises the following components
Has the advantages that:
according to the invention, the movable protective net is arranged outside the fixed protective net and is dragged, the lower end of the movable frame can move on the movable structure, the sliding structure fixed with the connecting frame can slide in the sliding groove and is matched with the inner clamping block, the inner sliding block moves rightwards in the sliding groove, at the moment, the clamping structure is contacted with the inner clamping block, the cambered surface on the right side of the movable block is matched with the cambered surface on the left side of the inner clamping block to slide, the movable block is extruded to move inwards and the reset frame is compressed, so that the movable protective net can move towards the right side to be close to a fence of a bridge for limiting protection, the contact area between the side surface and the fence is protected, the protection gap is reduced, the comprehensive protection is realized in the construction process, and the construction safety is improved.
According to the invention, the movable frame is arranged at the upper end of the movable structure, the movable rod is rotated, the thread surface at the outer side of the rod body meshes the matched thread block and moves outwards, so that the outer edge is close to the bridge fence, the rotation is stopped when the movable frame abuts against the bridge fence, the lug at the upper end of the outer edge is contacted with the bridge fence to generate friction force, different movable rods are sequentially rotated to abut against the bridge fence for limiting, the part of the movable frame and the fence is fully limited, further, the existence of a gap is prevented, the comprehensive performance of construction protection is ensured, and further, the construction safety is improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a bridge construction protection device according to the present invention;
FIG. 2 is a schematic front view of the side protective structure of the present invention;
FIG. 3 is a side view of the side guard structure of the present invention;
FIG. 4 is a schematic structural diagram of the movable protective net of the present invention;
FIG. 5 is a schematic structural view of the mobile structure of the present invention;
FIG. 6 is a schematic structural view of a sliding structure according to the present invention;
FIG. 7 is a schematic structural view of a clamping structure according to the present invention;
FIG. 8 is a schematic structural diagram of a movable frame according to the present invention;
fig. 9 is a schematic structural view of the movable rod of the present invention.
In the figure: a fixed frame-1, a bottom plate-2, a side protective structure-3, a cross frame-4, a protective net-5, a fixed frame-31, a fixed protective net-32, a movable protective net-33, a movable structure-331, a connecting frame-332, a movable frame-333, a net body-334, a guide frame-31 a, a chute-31 b, an inner clamping block-31 c and a sliding structure-31 d, the sliding plate-d 1, the inner sliding block-d 2, the clamping structure-d 3, the frame-d 31, the movable block-d 32, the reset frame-d 33, the compression plate-d 34, the spring-d 35, the frame body-33 a, the side plate-33 b, the movable rod-33 c, the threaded block-33 d, the rod body-c 1, the threaded surface-c 2, the outer edge-c 3 and the bump-c 4.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The first embodiment is as follows: referring to fig. 1-7, the embodiments of the present invention are as follows:
the structure of the device comprises a fixed frame 1, a bottom plate 2, side protective structures 3, cross frames 4 and protective nets 5, wherein the bottom plate 2 is horizontally arranged at the upper end of the fixed frame 1 and welded with the fixed frame, the protective structures 3 are vertically arranged at the upper end of the bottom plate 2 and distributed on two sides, the cross frames 4 are horizontally fixed between the side protective structures 3 and welded with the side protective structures, and the protective nets 5 are arranged on the inner sides of the cross frames 4 and fixed through bolts; the side protective structure 3 comprises a fixed frame 31, a fixed protective net 32 and a movable protective net 33, wherein the fixed protective net 32 is fixedly installed on the inner side of the fixed frame 31 and welded with the fixed protective net, and the movable protective net 33 is horizontally installed on the side surface of the fixed protective net 32 and movably connected with the fixed protective net.
Referring to fig. 4, the movable protection net 33 includes a movable structure 331, a connecting frame 332, a movable frame 333, and a net body 334, the connecting frame 332 is installed at the side of the movable structure 331 and movably connected, the connecting frame 332 penetrates through the inner side of the movable frame 333 and is mechanically connected, and the net body 334 is installed at the inner side of the movable frame 333 and welded to the movable frame 333 and can be pulled out movably to protect the side contacting with the fence.
Referring to fig. 5, the movable structure 331 includes a guide frame 31a, a sliding groove 31b, an inner locking block 31c, and a sliding structure 31d, wherein the sliding groove 31b is disposed inside the guide frame 31a and is an integrated structure, the inner locking block 31c is mounted inside the guide frame 31a and welded to the guide frame, and the sliding structure 31d is movably connected to the sliding groove 31b and is locked to the inner locking block 31c, so that the movable frame 333 can slide at the upper end and be locked according to the position thereof.
Referring to fig. 6, the sliding structure 31d includes a sliding plate d1, an inner sliding block d2, and a clamping structure d3, the inner sliding block d2 is installed on the front surface of the sliding plate d1 and welded to the front surface, and the clamping structure d3 is embedded in the inner side of the inner sliding block d2 and clamped between the inner clamping blocks 31c, so that when sliding, matching limitation can be performed to prevent returning.
Referring to fig. 7, the clamping structure d3 includes a frame d31, a movable block d32, a reset frame d33, a compression plate d34 and a spring d35, the movable block d32 is mounted inside the frame d31 and movably connected, the reset frame d33 is disposed inside the frame d31 and abuts between the movable blocks d32, the compression plate d34 is mounted inside the reset frame d33 and movably connected, the spring d35 is disposed inside the frame d31 and abuts between the compression plates d34, the movable block d32 is clamped with the inner clamping block 31c, performs a movable limit when moving to the right, and is clamped when moving to the left, so as to facilitate the limit.
Referring to fig. 5 and 7, the right end of the movable block d32 is bent inward to form an arc structure, and the left end of the inner locking block 31c is bent inward to form an arc structure, so that the inner locking block can be compressed inward along the arc to move when sliding.
Based on the above embodiment, the specific working principle is as follows:
when constructing the fence of a bridge, the invention is arranged outside the fence, and is fixed with the bridge through the fixed frame 1, at this time, the movable protective net 33 is dragged, the lower end of the movable frame 333 moves on the movable structure 331, the sliding structure 31d fixed with the connecting frame 332 slides in the sliding groove 31b and is matched with the inner clamping block 31c, the inner sliding block d2 moves rightwards in the sliding groove 31b, at this time, the clamping structure d3 contacts the inner clamping block 31c, the cambered surface on the right side of the movable block d32 is matched with the cambered surface on the left side of the inner clamping block 31c to slide, the movable block d32 is extruded to move inwards and compress the reset frame d33, so that the movable protective net 33 can move towards the right side to be close to the fence of the bridge for limiting protection, and when the reset frame d33 pushes the movable block d32 to move outwards to reset, because the movable block d32 is clamped with the left side of the inner clamping block 31c to back to move leftwards, so as to further protect, when the movable block needs to be moved leftwards and folded, the compression plate d34 is compressed inwards to compress the spring d35 on the inner side, and at the moment, the reset frame d33 is guided by the compression plate d34 to move inwards to fold the movable block d32, so that the limitation is released, and the movable block is convenient to move leftwards and fold.
Example two: referring to fig. 4, 8-9, the embodiment of the present invention is as follows:
the movable protective net 33 comprises a movable structure 331, a connecting frame 332, a movable frame 333 and a net body 334, wherein the connecting frame 332 is installed on the side surface of the movable structure 331 and movably connected, the connecting frame 332 penetrates through the inner side of the movable frame 333 and is mechanically connected, and the net body 334 is installed on the inner side of the movable frame 333 and welded.
Referring to fig. 8, the movable frame 333 includes a frame body 33a, a side plate 33b, a movable rod 33c, and a screw block 33d, wherein the side plate 33b is installed on the side surface of the frame body 33a and welded thereto, the movable rod 33c penetrates through the inner side of the side plate 33b and is movably connected thereto, and the screw block 33d is fixed to the upper end of the side plate 33b and is screwed to the movable rod 33c, so as to be removable from the side surface, thereby forming a lateral contact with the fence for performing a restraining protection.
Referring to fig. 9, the movable rod 33c includes a rod c1, a thread surface c2, an outer edge c3, and a protrusion c4, where the thread surface c2 is disposed outside the rod c1 and is an integrated structure, the outer edge c3 is fixedly mounted on the right side of the rod c1 and is welded to the right side of the rod c1, the protrusions c4 are disposed in a plurality and are uniformly distributed outside the outer edge c3, and the outer edge c3 is a hemisphere structure and is better in contact with the surface of the fence to perform protection.
Based on the above embodiment, the specific working principle is as follows:
when the movable protection net 33 moves outwards to approach the bridge fence, because the frame 33a and the bridge fence have a gap, the movable rod 33c is rotated, at this time, the thread surface c2 outside the rod body c1 engages with the matching thread block 33d and moves outwards, so that the outer edge c3 approaches the bridge fence, and stops rotating when abutting against the bridge fence, at this time, the bump c4 at the upper end of the outer edge c3 contacts with the bridge fence and generates friction, at this time, different movable rods 33c are sequentially rotated to abut against the bridge fence for limitation, and further the protection effect is achieved.
The invention solves the problems that in the prior art, as fences of bridges are bent from lower ends to upper ends and converged to form different positions between the upper ends and the lower ends, and when the regional protection is carried out, the contact region between the side surface and the fences is emptied, so that the side region protection has a gap, so that the protection of workers is incomplete, and the safety in construction is reduced, the invention arranges a movable protective net outside a fixed protective net by combining the components, drags the movable protective net, the lower end of a movable frame moves on a movable structure, a sliding structure fixed with a connecting frame slides in a sliding groove and is matched with an inner clamping block, an inner sliding block moves rightwards in the sliding groove, at the moment, a clamping structure contacts the inner clamping block, the cambered surface on the right side of the movable block slides in a way of being matched with the cambered surface on the left side of the inner clamping block, and extrudes the movable block to move inwards and compress a resetting frame, the movable protective net can move towards the right side to enable the movable protective net to be close to the fence of the bridge for limiting protection, and the contact area between the side face and the fence is protected, so that the gaps of protection are reduced, more comprehensive protection is realized in construction, and the safety of construction is improved; set up the movable frame in the active structure upper end, through rotatory movable rod, the thread face in the body of rod outside meshes the cooperation thread piece this moment, and outwards remove, make outer edge be close to the bridge rail, and stop rotating when supporting the bridge rail, the lug along the upper end this moment will contact and produce frictional force with the bridge rail, rotate out different movable rods in proper order this moment and come to support and restrict on the bridge rail, carry out abundant restriction to the position with the rail, and then prevent to have the space, the comprehensive nature of construction protection has been guaranteed, and then the security of construction has been improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (2)
1. A bridge construction protection device structurally comprises a fixed frame (1), a bottom plate (2), side protection structures (3), cross frames (4) and a protection net (5), wherein the bottom plate (2) is horizontally arranged at the upper end of the fixed frame (1), the protection structures (3) are vertically arranged at the upper end of the bottom plate (2), the cross frames (4) are horizontally fixed between the side protection structures (3), and the protection net (5) is arranged on the inner side of the cross frames (4); the method is characterized in that: the side protective structure (3) comprises a fixed frame (31), a fixed protective net (32) and a movable protective net (33), wherein the fixed protective net (32) is fixedly arranged on the inner side of the fixed frame (31), and the movable protective net (33) is horizontally arranged on the side surface of the fixed protective net (32); the movable protective net (33) comprises a movable structure (331), a connecting frame (332), a movable frame (333) and a net body (334), wherein the connecting frame (332) is arranged on the side surface of the movable structure (331), the connecting frame (332) penetrates through the inner side of the movable frame (333), and the net body (334) is arranged on the inner side of the movable frame (333); the movable structure (331) comprises a guide frame (31a), a sliding groove (31b), an inner clamping block (31c) and a sliding structure (31d), the sliding groove (31b) is arranged on the inner side of the guide frame (31a), the inner clamping block (31c) is arranged on the inner side of the guide frame (31a), and the sliding structure (31d) is movably connected with the sliding groove (31 b); the sliding structure (31d) comprises a sliding plate (d1), an inner sliding block (d2) and a clamping structure (d3), the inner sliding block (d2) is installed on the front surface of the sliding plate (d1), and the clamping structure (d3) is installed on the inner side of the inner sliding block (d2) in an embedded mode; the clamping structure (d3) comprises a frame (d31), a movable block (d32), a reset frame (d33), a compression plate (d34) and a spring (d35), wherein the movable block (d32) is installed on the inner side of the frame (d31), the reset frame (d33) is arranged on the inner side of the frame (d31), the compression plate (d34) is installed on the inner side of the reset frame (d33), the spring (d35) is arranged on the inner side of the frame (d31), and the movable block (d32) is clamped with the inner clamping block (31 c); the right end of the movable block (d32) is bent inwards, and the left end of the inner clamping block (31c) is bent inwards to form an arc-shaped structure; the movable frame (333) comprises a frame body (33a), a side plate (33b), a movable rod (33c) and a thread block (33d), wherein the side plate (33b) is installed on the side surface of the frame body (33a), the movable rod (33c) penetrates through the inner side of the side plate (33b), and the thread block (33d) is fixed at the upper end of the side plate (33 b); activity pole (33c) include the body of rod (c1), flank of screw (c2), outer edge (c3), lug (c4), the flank of screw (c2) is located the body of rod (c1) outside, outer edge (c3) fixed mounting is on the body of rod (c1) right side, lug (c4) are equipped with a plurality ofly and evenly distributed in the outer edge (c3) outside.
2. The bridge construction protection device according to claim 1, characterized in that: when constructing the fence of the bridge, the invention is arranged at the outer side of the fence, and is fixed with the bridge through the fixed frame (1), at this time, the movable protective net (33) is dragged, the lower end of the movable frame (333) moves on the movable structure (331), the sliding structure (31d) fixed with the connecting frame (332) slides in the sliding groove (31b) and is matched with the inner clamping block (31c), the inner sliding block (d2) moves rightwards in the sliding groove (31b), at this time, the clamping structure (d3) contacts the inner clamping block (31c), the cambered surface at the right side of the movable block (d32) slides the cambered surface at the left side of the matched inner clamping block (31c), the movable block (d32) is extruded to move inwards and compress the reset frame (d33) to move towards the right side, so that the movable protective net (33) is close to the fence of the bridge to limit and protect, and the reset frame (d33) pushes the movable block (d32) to move outwards to reset, the movable block (d32) is back to the left side of the inner clamping block (31c) and is clamped when moving leftwards, so that protection is performed, when the movable block needs to move leftwards and is folded, the compression plate (d34) is compressed inwards to compress the inner spring (d35), at the moment, the reset frame (d33) is guided by the compression plate (d34) to move inwards to fold the movable block (d32), so that limitation is removed, and the movable block is convenient to move leftwards and is folded;
when the movable protective net (33) moves outwards to be close to a bridge fence, because a gap exists between the frame body (33a) and the bridge fence, the movable rod (33c) is rotated, at the moment, the thread surface (c2) on the outer side of the rod body (c1) is meshed with the matched thread block (33d) and moves outwards, so that the outer edge (c3) is close to the bridge fence, the rotation is stopped when the movable protective net is pressed against the bridge fence, at the moment, the lug (c4) at the upper end of the outer edge (c3) is contacted with the bridge fence to generate friction, at the moment, different movable rods (33c) are sequentially rotated to be pressed against the bridge fence to limit, and the protection effect is further achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010384678.XA CN111519541B (en) | 2020-05-08 | 2020-05-08 | Bridge construction protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010384678.XA CN111519541B (en) | 2020-05-08 | 2020-05-08 | Bridge construction protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111519541A CN111519541A (en) | 2020-08-11 |
| CN111519541B true CN111519541B (en) | 2021-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010384678.XA Active CN111519541B (en) | 2020-05-08 | 2020-05-08 | Bridge construction protector |
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| Country | Link |
|---|---|
| CN (1) | CN111519541B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150010510A (en) * | 2013-07-19 | 2015-01-28 | 뉴그린창신 주식회사 | Connecting device for fence |
| CN107806016A (en) * | 2017-10-21 | 2018-03-16 | 河南省三门峡黄河大桥高速公路建设有限公司 | A kind of protector of bridge construction |
| CN107842692A (en) * | 2017-12-10 | 2018-03-27 | 重庆康普达科技有限公司 | The slide assemblies of spacing slip |
| CN208472616U (en) * | 2018-03-20 | 2019-02-05 | 谢兰英 | A kind of road and bridge construction protective fence |
| CN210342749U (en) * | 2019-08-04 | 2020-04-17 | 山东滨州鼎达化纤绳网有限公司 | Safety protection net for construction |
-
2020
- 2020-05-08 CN CN202010384678.XA patent/CN111519541B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150010510A (en) * | 2013-07-19 | 2015-01-28 | 뉴그린창신 주식회사 | Connecting device for fence |
| CN107806016A (en) * | 2017-10-21 | 2018-03-16 | 河南省三门峡黄河大桥高速公路建设有限公司 | A kind of protector of bridge construction |
| CN107842692A (en) * | 2017-12-10 | 2018-03-27 | 重庆康普达科技有限公司 | The slide assemblies of spacing slip |
| CN208472616U (en) * | 2018-03-20 | 2019-02-05 | 谢兰英 | A kind of road and bridge construction protective fence |
| CN210342749U (en) * | 2019-08-04 | 2020-04-17 | 山东滨州鼎达化纤绳网有限公司 | Safety protection net for construction |
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| Publication number | Publication date |
|---|---|
| CN111519541A (en) | 2020-08-11 |
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