CN110029864B - Building construction protective fence - Google Patents
Building construction protective fence Download PDFInfo
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- CN110029864B CN110029864B CN201910335250.3A CN201910335250A CN110029864B CN 110029864 B CN110029864 B CN 110029864B CN 201910335250 A CN201910335250 A CN 201910335250A CN 110029864 B CN110029864 B CN 110029864B
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- rod
- rods
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- main support
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to a construction safety protective guard, in particular to a protective guard structure for house building construction, which comprises two main support rods, two protective structures and transverse support rods, wherein the protective structures are positioned between the main support rods; the transverse support rod comprises more than three main rods and connecting rods, a moving groove is formed in the lower side of each main rod, a plurality of telescopic moving rods are arranged in the moving groove, the upper ends of the moving rods are connected with the moving groove in a sliding mode, and the lower portions of the moving rods are connected with hinge joints between the hinge rods; the connecting rod is articulated between connecting rod and mobile jib and connecting rod and the adjacent connecting rod, and when protective structure was in the state of folding into, the connecting rod was laminated back and the lock with trilateral the of rail guard main part after folding into respectively. The invention achieves the effect of convenient disassembly, assembly and storage.
Description
Technical Field
The invention relates to a construction safety protective guard, in particular to a building construction protective guard.
Background
In the middle of the house construction process, protective equipment needs to be additionally arranged at fault positions such as a stair opening, and personnel are prevented from falling and falling accidentally. However, the existing commonly used protective measures are guard rails, the bottom and both sides of the guard rail are fixed on a cement board through cement nails or other methods, but the disadvantage is that after the guard rail is disassembled, the guard rails of each unit need to be mutually overlapped and then are carried and transported, so that the recycling is very inconvenient.
Disclosure of Invention
The invention aims to provide a building construction protective guard which is convenient to disassemble, assemble and store.
The above object of the present invention is achieved by the following technical solutions:
a building construction protective guard comprises main support rods, protective structures and transverse support rods, wherein the main support rods comprise two main support rods, the protective structures are located between the main support rods, each protective structure comprises a plurality of hinge rods, the hinge rods are divided into two groups, each group of hinge rods are parallel to each other, the two groups of hinge rods are mutually crossed, the hinge rods at the crossed positions are mutually hinged, the uppermost hinge rod at one side of the protective structure, close to the two main support rods, is hinged with the main support rods, the hinge point is a fixed point, a vertical sliding groove is formed in one side, close to the protective structure, of the lower end of each main support rod, and the end part of each hinge rod below the fixed point is connected with; the transverse supporting rod comprises a main rod and connecting rods, the connecting rods comprise more than three pieces, the connecting rods are hinged to the main rod and the connecting rods and adjacent connecting rods, and when the protective structure is in a folding state, the connecting rods are respectively attached to three edges of the protective guard main body after being folded and buckled.
By adopting the technical scheme, when the protective guard needs to be unfolded and laid, the two main support rods are mutually far away, so that the hinge rods in the protective structure are mutually rotated and unfolded, in the unfolding process of the protective structure, the hinge rods at the fixed points rotate relative to the main support rods, the hinge rods below the fixed points slide upwards along the sliding grooves relative to the main support rods, and meanwhile, the connecting rods rotate to the horizontal level one by one, so that the transverse support rods formed by the connecting rods and the main rods play a role in supporting and fixing the two main support rods, and the installation is convenient; after the protective guard is used, the two main support rods are mutually close, the hinge rods in the protective structure are mutually rotated and folded, in the process, the connecting rods in the transverse support rods gradually exceed the main support rods and are bent downwards, and finally more than three connecting rods surround the main support rods and the lower part of the protective structure to form a folded annular structure with the main rod, so that the guardrail body in a retracted state is buckled and fixed, and the protective guard is convenient to carry after being folded.
The invention is further configured to: the shifting chute has been seted up to the downside of mobile jib, is provided with a plurality of telescopic carriage release levers in the shifting chute, the upper end and the shifting chute sliding connection of carriage release lever, and the pin joint between the below of carriage release lever and the hinge bar is connected.
Through adopting above-mentioned technical scheme, utilize the carriage release lever can be connected protective structure and spreader bar to folding or open in-process at protective structure, the hinge bar can drive the carriage release lever flexible and remove in the shifting chute, avoids the carriage release lever to hinder the motion of hinge bar.
The invention is further configured to: the connecting rod is four, and there are two connecting rods respectively at the both ends of mobile jib, and two adjacent connecting rods and the pin joint between connecting rod and the branch all are located the below of end department.
Through adopting above-mentioned technical scheme, when between the articulated mast and between articulated mast and the mobile jib mutual rotation to being in the horizontality, terminal surface between the articulated mast and terminal surface between articulated mast and the mobile jib can butt each other and keep the horizontality, can guarantee the stability of spreader bar horizontality like this.
The invention is further configured to: the ends of the connecting rods at the most end parts are respectively provided with a hasp and a lug.
Through adopting above-mentioned technical scheme, the overlap joint lock between the connecting rod of being convenient for.
The invention is further configured to: the lower end of the main supporting rod is fixedly connected with a supporting leg.
Through adopting above-mentioned technical scheme, can promote the stability of main tributary vaulting pole.
The invention is further configured to: the upper end of the main supporting rod is provided with a mounting hole, the connecting rod penetrates through the mounting hole, and the end parts of the connecting rod at the most end parts are respectively provided with a limiting part.
Through adopting above-mentioned technical scheme, after seting up the mounting hole on the main tributary vaulting pole, through after inserting the mounting hole with mobile jib and connecting rod, can guarantee the stability between mobile jib and connecting rod and the main tributary vaulting pole, when the connecting rod is fully extended at ordinary times, utilize the spacing portion of connecting rod tip to carry on spacingly to the connecting rod simultaneously, avoid the connecting rod to wear out and lead to the spreader bar to break away from the main tributary vaulting pole from the mounting hole.
The invention is further configured to: the limiting part comprises a horizontal limiting rod, a vertical inserting rod and a spring, the inserting rod is inserted into the connecting rod, a limiting head is fixed at the upper end of the inserting rod, the limiting rod is fixed at the lower end of the inserting rod, the spring is positioned between the limiting rod and the connecting rod and is in a compressed state, and the length of the limiting rod is greater than the width of the main supporting rod; the main tributary vaulting pole has seted up the slot along the orientation of seting up of mounting hole in the below of mounting hole, the slot is the type of falling T, the upper end and the mounting hole intercommunication of slot, and the slot horizontally position runs through the both sides side of the perpendicular to mounting hole of main tributary vaulting pole, and the tank bottom department at slot horizontal position sets up the spacing groove under the both sides orientation of main tributary vaulting pole.
Through adopting above-mentioned technical scheme, when spacing portion and main tributary vaulting pole butt, at first upwards press the gag lever post, make the spring compression, the inserted bar further inserts in the connecting rod, later along with protective structure's further expansion, the gag lever post, inserted bar and spring get into in the slot, after the tank bottom laminating of gag lever post and slot, release the gag lever post, utilize the elasticity of spring to press the gag lever post to the spacing inslot, the gag lever post is spacing after the spacing groove like this, avoid the relative main tributary vaulting pole of connecting rod to remove, the purpose of fixed spreader bar and main tributary vaulting pole has been realized, guarantee that protective structure can be in open state steadily.
The invention is further configured to: and two ends of the limiting rod exceed two sides of the main supporting rod.
Through adopting above-mentioned technical scheme, be convenient for hold between the fingers the gag lever post from the outside of main tributary vaulting pole to drive the gag lever post and remove, conveniently remove the gag lever post so that spacing portion and main tributary vaulting pole are thrown off.
In summary, the present invention has the following technical effects: the transverse supporting rods are arranged above the two main supporting rods, and when the protective structure is in an open state, the transverse supporting rods can serve as the supporting rods to ensure the distance between the two main supporting rods and ensure the stability of the protective structure; when protective structure is in fold condition, the horizontal stay bar can utilize the articulated design of mobile jib and connecting rod, encircles the back lock with the major structure of rail guard, is convenient for accomodate the rail guard for next use.
Drawings
FIG. 1 is a schematic view of the protective structure of the present invention in an open position;
FIG. 2 is a schematic view of the shelter structure according to the present invention in a folded state;
FIG. 3 is an enlarged view of FIG. 1 taken at detail A;
fig. 4 is a schematic view showing a state of a cross stay in an extended state of the guard rail;
fig. 5 is a schematic view showing a state of the lateral stay when the guard rail is in a folded state.
In the figure, 1, a main support rod; 11. a chute; 12. a support leg; 13. mounting holes; 14. a slot; 15. a limiting groove; 2. a protective structure; 21. a hinged lever; 22. a fixed point; 3. a transverse stay bar; 31. a main rod; 312. a travel bar; 32. a connecting rod; 33. a limiting part; 331. a limiting rod; 332. inserting a rod; 333. a spring.
Detailed Description
As shown in fig. 1, the invention discloses a building construction protective guard, which comprises two main support rods 1, a protective structure 2 and transverse support rods 3, wherein the protective structure 2 is a foldable structure, the protective structure 2 is connected between the two main support rods 1, and the transverse support rods 3 are formed by hinging more than four sections of rods. When the protective structure 2 is unfolded, the transverse supporting rods 3 are positioned above the protective structure 2 and are in a stretched straight state, the two main supporting rods 1 are supported by the transverse supporting rods 3, and the stability of the unfolded state of the protective structure 2 is ensured; referring to fig. 2, when the protective structure 2 is in the folded state, the multiple sections of the transverse support rods 3 rotate with each other and then pass through the two main support rods 1 and the lower portion of the protective structure 2 to be fastened, so that the folded protective guard body is fixed to maintain a stable state, thereby facilitating the transportation and storage of the protective guard.
As shown in fig. 1, legs 12 are fixedly connected to the lower ends of the main support pole 1, and the legs 12 are used to improve the stability of the main support pole 1.
As shown in fig. 1, the protective structure 2 includes a plurality of hinge rods 21, the hinge rods 21 are divided into two groups, each group of hinge rods 21 is parallel to each other, the two groups of hinge rods 21 are crossed with each other, and the hinge rods 21 at the crossing point are hinged with each other, the hinge rod 21 at the uppermost end of one side of the protective structure 2 close to the two main support rods 1 is hinged with the main support rod 1, the hinge point is a fixed point 22, a vertical chute 11 is formed at one side of the lower end of the main support rod 1 close to the protective structure 2, and the end of the hinge rod 21 below the fixed point 22 is slidably connected with the chute. Referring to fig. 1, when the guard rail needs to be unfolded and laid, two main support rods 1 are far away from each other, the two main support rods 1 pull the hinge rods 21 to be far away from each other, so that the hinge rods 21 in the protective structure 2 are rotated and unfolded, in the process of unfolding the protective structure 2, the hinge rods 21 at the fixing points 22 rotate relative to the main support rods 1, the hinge rods 21 below the fixing points 22 slide upward along the sliding grooves 11 relative to the main support rods 1, and finally the protective structure 2 is unfolded; when the shelter structure 2 is folded, as shown in fig. 2, the two main support rods 1 are moved towards each other, which presses the hinge rods 21 towards each other, the hinge rod 21 at the fixing point 22 rotates relative to the main support rod 1, and the hinge rod 21 below the fixing point 22 moves downwards along the slide groove 11, gradually folding the shelter structure 22.
As shown in fig. 2, the transverse supporting rod 3 comprises a main rod 31 and a connecting rod 32, the main rod 31 is always located above the protective structure 2, the main rod 31 and the adjacent connecting rod 32 and the adjacent connecting rod 32 are hinged to each other, the length of the main rod 31 is equal to the length between the two main supporting rods 1 when the protective guard is in a folded state, as shown in fig. 5, and when the transverse supporting rod 3 is folded to buckle the protective guard main body, the hinge point between the main rod 31 and the connecting rod 32 is located at the folding angle of the protective guard main body.
In the present invention, as shown in fig. 2, four connecting rods 32 are provided, two connecting rods 32 are provided at two ends of the main rod 31, and two adjacent connecting rods 32 and the hinge point between the connecting rod 32 and the main rod 31 are located at the lowest position of the end. In the process of completely opening the protective structure 2, as shown in fig. 4, the connecting rods 32 and the main rod 31 rotate to be in a horizontal state, and the end surfaces of the connecting rods 32 and the main rod 31 are abutted to each other to keep the horizontal state, so that the transverse supporting rod 3 can be ensured to be in the horizontal state and to be very stable.
A buckle and a lug may be respectively provided at the end of the connecting rod 32 located at the most end, so that the connecting rod 32 is conveniently lapped and buckled to fasten and fix the guard rail body.
In order to improve the connection between the protective structure 2 and the transverse supporting rod 3 and enhance the supporting strength of the protective structure 2, a moving groove may be formed below the main rod 31, a plurality of telescopic moving rods 312 are disposed in the moving groove, the upper end of the moving rod 312 is slidably connected with the moving groove, and the lower portion of the moving rod 312 is connected with the hinge point between the hinge rods 21. The protective structure 2 can be connected with the transverse supporting rod 3 by using the moving rod 312, and in the process that the protective structure 2 is folded or unfolded, the hinge rod 21 can drive the moving rod 312 to extend and retract and move in the moving groove, so that the moving rod 312 is prevented from blocking the movement of the hinge rod 21.
As shown in fig. 1, in order to improve the stability of the connection between the lateral brace 3 and the main brace 1, a mounting hole 13 may be formed at the upper end of the main brace 1, the connecting rod 32 may pass through the mounting hole 13, and the end portions of the connecting rod 32 located at the extreme end portions may be respectively provided with a stopper 33 (see fig. 3). After the main support rod 1 is provided with the mounting hole 13, the main rod 31 and the connecting rod 32 are inserted into the mounting hole 13, so that the stability between the main rod 31 and the connecting rod 32 and the main support rod 1 can be ensured; meanwhile, when the connecting rod 32 is completely unfolded, the connecting rod 32 can be limited by the limiting part 33 at the end of the connecting rod 32, and the connecting rod 32 is prevented from penetrating out of the mounting hole 13 to cause the transverse supporting rod 3 to be separated from the main supporting rod 1.
The limiting part 33 is mainly used to prevent the two ends of the cross brace 3 from separating from the main brace 1 due to excessive pulling in the process of pulling the two main braces 1 apart. Meanwhile, the structure of the limiting part 33 is optimized, so that the limiting part 33 can also prevent the two main support rods 1 from approaching or departing from each other when the limiting part 33 is clamped with the main support rods 1.
As shown in fig. 3, the position-limiting part 33 includes a horizontal position-limiting rod 331, a vertical insertion rod 332 and a spring 333, the insertion rod 332 is inserted into the connecting rod 32, a position-limiting head is fixed at the upper end of the insertion rod 332, the position-limiting rod 331 is fixed at the lower end of the insertion rod 332, the spring 333 is located between the position-limiting rod 331 and the connecting rod 32 and is in a compressed state, and the length of the position-limiting rod 331 is greater than the width of the main support rod 1; the main supporting rod 1 is provided with a slot 14 below the mounting hole 13 along the opening direction of the mounting hole 13, the slot 14 is of an inverted T shape, the upper end of the slot 14 is communicated with the mounting hole 13, the horizontal part of the slot 14 penetrates through two sides of the main supporting rod 1 perpendicular to the mounting hole 13, and a limiting groove 15 is formed in the horizontal part of the slot 14 in the directions of two sides of the main supporting rod 1. When the limiting part 33 abuts against the main support rod 1, the limiting rod 331 is pressed upwards at first, the spring 333 is compressed, the inserting rod 332 is further inserted into the connecting rod 32, then along with the further expansion of the protective structure 2, the limiting rod 331, the inserting rod 332 and the spring 333 enter the slot 14, after the limiting rod 331 is attached to the slot bottom of the slot 14, the limiting rod 331 is released, the limiting rod 331 is pressed into the limiting slot 15 by the elasticity of the spring 333, thus after the limiting rod 331 is limited by the limiting slot 15, the connecting rod 32 is prevented from moving relative to the main support rod 1, the purpose of fixing the transverse support rod 3 and the main support rod 1 is realized, and the protective structure 2 can be ensured to be stably in an open state.
Further, both ends of the position-limiting rod 331 preferably extend beyond both sides of the main support rod 1, so that the position-limiting rod 331 is easily pinched from the outside of the main support rod 1 to move the position-limiting rod 331, and the position-limiting part 33 is easily moved to disengage from the main support rod 1.
In summary, the working process of the present invention is as follows.
And (3) unfolding: the two main support rods 1 are pulled to be away from each other, the two main support rods 1 can pull the hinge rods 21 to be away from each other, so that the hinge rods 21 in the protective structure 2 are rotated and opened, in the opening process of the protective structure 2, the hinge rod 21 at the fixed point 22 rotates relative to the main support rods 1, the hinge rod 21 below the fixed point 22 slides upwards relative to the main support rods 1 along the sliding groove 11, finally, the protective structure 2 is opened, and meanwhile, the movement of the hinge rod 21 can drive the movable rod to extend and move in the moving groove; the connecting rod 32 in the transverse strut 3 is also gradually rotated and flattened to pass through the mounting hole 13, and then the main rod 31 and the connecting rod 32 can form a stable horizontal state for supporting due to the hinged point being located below, and the main strut 1 is unfolded in place through the blocking of the limiting part 33.
Folding process: bringing the two main support struts 1 closer together presses the hinge rods 21 closer together, the hinge rods 21 at the fixing points 22 rotate relative to the main support struts 1, and the hinge rods 21 below the fixing points 22 move down the slide grooves 11, gradually folding the protective structure 22. After the folding, the main rod 31 is positioned above the guard rail main body, the connecting rod 32 is rotatably attached to the outer side of the main supporting rod 1 and positioned below the guard rail main body, and the buckle and the lug on the connecting rod 32 are engaged to complete the fixed engagement of the guard rail main body.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. A building construction protective guard is characterized by comprising main support rods (1), protective structures (2) and transverse support rods (3), wherein the main support rods (1) comprise two, the protective structures (2) are positioned between the main support rods (1), each protective structure (2) comprises a plurality of hinge rods (21), the hinge rods (21) are divided into two groups, each group of hinge rods (21) are parallel to each other, the two groups of hinge rods (21) are crossed with each other, the hinge rods (21) at the crossed positions are hinged with each other, the hinge rods (21) at the uppermost ends of the protective structures (2) close to one sides of the two main support rods (1) are hinged with the main support rods (1), the hinge points of the hinge rods (21) at the uppermost ends of one sides close to the two main support rods (1) and the main support rods (1) are fixed points (22), vertical sliding grooves (11) are formed in one side of the lower ends of the main support rods (1) close to the protective structures (2), the end part of the hinged rod (21) below the fixed point (22) is connected with the chute (11) in a sliding way; the transverse supporting rod (3) comprises a main rod (31) and connecting rods (32), the connecting rods (32) comprise more than three pieces, the connecting rods (32) are hinged to the main rod (31) and the connecting rods (32) and the adjacent connecting rods (32), and when the protective structure (2) is in a folding state, the connecting rods (32) are respectively attached to three edges of the folded protective fence main body and are buckled.
2. The building construction protective guard according to claim 1, wherein a moving groove is formed in the lower side of the main rod (31), a plurality of telescopic moving rods (312) are arranged in the moving groove, the upper ends of the moving rods (312) are slidably connected with the moving groove, and the lower portion of each moving rod (312) is connected with a hinge point between the hinge rods (21).
3. The building construction protective guard according to claim 1, wherein the number of the connecting rods (32) is four, two connecting rods (32) are respectively arranged at two ends of the main rod (31), and the two adjacent connecting rods (32) and the hinge point between the connecting rod (32) and the main rod (31) are both located at the lowest part of the end heads.
4. A building construction protective guard according to claim 3, characterized in that the ends of the connecting rods (32) at the extreme ends are provided with a hasp and a lug, respectively.
5. A building construction guard rail according to claim 4, characterized in that the lower end of the main supporting rod (1) is fixedly connected with a leg (12).
6. The building construction protective guard according to claim 1, wherein the main support rod (1) is provided with a mounting hole (13) at the upper end thereof, the connecting rod (32) passes through the mounting hole (13), and the ends of the connecting rod (32) at the extreme end are respectively provided with a limiting part (33).
7. The building construction protective guard according to claim 6, wherein the limiting part (33) comprises a horizontal limiting rod (331), a vertical inserting rod (332) and a spring (333), the inserting rod (332) is inserted into the connecting rod (32), a limiting head is fixed at the upper end of the inserting rod (332), the limiting rod (331) is fixed at the lower end of the inserting rod (332), the spring (333) is located between the limiting rod (331) and the connecting rod (32) and is in a compressed state, and the length of the limiting rod (331) is greater than the width of the main supporting rod (1); main tributary vaulting pole (1) has seted up slot (14) along seting up the direction of mounting hole (13) in the below of mounting hole (13), slot (14) are the type of falling T, the upper end and the mounting hole (13) intercommunication of slot (14), and slot (14) horizontally position runs through the both sides side of the perpendicular to mounting hole (13) of main tributary vaulting pole (1), and spacing groove (15) are seted up under the both sides direction of main tributary vaulting pole (1) to the tank bottom department of slot (14) horizontal position.
8. The building construction protective guard according to claim 7, wherein both ends of the limiting rod (331) are beyond both sides of the main supporting rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910335250.3A CN110029864B (en) | 2019-04-24 | 2019-04-24 | Building construction protective fence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910335250.3A CN110029864B (en) | 2019-04-24 | 2019-04-24 | Building construction protective fence |
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| CN110029864A CN110029864A (en) | 2019-07-19 |
| CN110029864B true CN110029864B (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910335250.3A Active CN110029864B (en) | 2019-04-24 | 2019-04-24 | Building construction protective fence |
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| CN (1) | CN110029864B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111926743A (en) * | 2020-08-12 | 2020-11-13 | 毕丝雨 | Interim protector of hydraulic engineering ramp of extensible protection zone |
| CN117266678B (en) * | 2023-11-22 | 2024-05-14 | 山西六建集团有限公司 | High-voltage wire tower isolation protective fence |
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| WO1999058790A1 (en) * | 1998-05-14 | 1999-11-18 | Sinco, Inc. | Adjustable safety net methods and apparatus |
| CN202659665U (en) * | 2012-06-05 | 2013-01-09 | 湖南省金为型材有限公司 | Rotary joint component for guardrail and guardrail |
| CN203441158U (en) * | 2013-07-13 | 2014-02-19 | 国家电网公司 | Novel quick-mounting safety fence net |
| CN204238645U (en) * | 2014-11-19 | 2015-04-01 | 国家电网公司 | Flexible fence |
| CN206174632U (en) * | 2016-11-09 | 2017-05-17 | 郭金磊 | Novel electric fence |
| CN106939726A (en) * | 2017-02-28 | 2017-07-11 | 国网安徽省电力公司检修公司 | A kind of spliced movable safety fence |
| CN207177452U (en) * | 2017-08-22 | 2018-04-03 | 广西万材网络科技有限公司 | A kind of simple construction construction safety protection column |
| CN207296591U (en) * | 2017-08-24 | 2018-05-01 | 呼广健 | A kind of construction safe fence |
| CN108487774A (en) * | 2018-05-19 | 2018-09-04 | 孙梦思 | A kind of movable building construction protection column |
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2019
- 2019-04-24 CN CN201910335250.3A patent/CN110029864B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999058790A1 (en) * | 1998-05-14 | 1999-11-18 | Sinco, Inc. | Adjustable safety net methods and apparatus |
| CN202659665U (en) * | 2012-06-05 | 2013-01-09 | 湖南省金为型材有限公司 | Rotary joint component for guardrail and guardrail |
| CN203441158U (en) * | 2013-07-13 | 2014-02-19 | 国家电网公司 | Novel quick-mounting safety fence net |
| CN204238645U (en) * | 2014-11-19 | 2015-04-01 | 国家电网公司 | Flexible fence |
| CN206174632U (en) * | 2016-11-09 | 2017-05-17 | 郭金磊 | Novel electric fence |
| CN106939726A (en) * | 2017-02-28 | 2017-07-11 | 国网安徽省电力公司检修公司 | A kind of spliced movable safety fence |
| CN207177452U (en) * | 2017-08-22 | 2018-04-03 | 广西万材网络科技有限公司 | A kind of simple construction construction safety protection column |
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| CN108487774A (en) * | 2018-05-19 | 2018-09-04 | 孙梦思 | A kind of movable building construction protection column |
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| CN110029864A (en) | 2019-07-19 |
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Effective date of registration: 20230816 Address after: Room 101, No. 40-2 Wanlu Road, Wanjiang Street, Dongguan City, Guangdong Province, 523039 Patentee after: Guangdong Haofeng Construction Co.,Ltd. Address before: 523106 2nd floor, 25 Guangming Avenue, Dongcheng Street, Dongguan City, Guangdong Province Patentee before: Guangdong Tengji Construction Co.,Ltd. |
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