CN2841842Y - Protective guard - Google Patents
Protective guard Download PDFInfo
- Publication number
- CN2841842Y CN2841842Y CN 200520133893 CN200520133893U CN2841842Y CN 2841842 Y CN2841842 Y CN 2841842Y CN 200520133893 CN200520133893 CN 200520133893 CN 200520133893 U CN200520133893 U CN 200520133893U CN 2841842 Y CN2841842 Y CN 2841842Y
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- vertical rod
- cross bar
- linkage
- bolt
- locking mechanism
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Abstract
The utility model is a kind of interim protective guard that stair, balcony, foundation ditch etc. are carried out security protection that uses in building trade, and name is called protective guard.Install and remove the technical problem that labour intensity is big, can not repeat to have enough to meet the need use, waste steel for solving existing reinforcing bar protective guard, the utility model is by the following technical solutions: protective guard, comprise vertical rod 1 and cross bar 2, cross bar 2 is installed in the vertical rod 1 by linkage.Also comprise the ground linkage, vertical rod 1 is installed on the linkage of ground by stretching device.The utility model installation and removal are simple to operate, and labour intensity is low; Each component has interchangeability, can repeat turnover and use; In dismounting and installation process, can not cause damage to component, unit in charge of construction has reduced construction cost.
Description
Technical field:
The utility model relates to a kind of interim protective guard that stair, balcony, foundation ditch etc. are carried out security protection that uses in building trade.
Background technology:
Building trade has the danger of height in work progress.In order to ensure construction worker's life security, the generation of prevention casualty accident, according to the pertinent regulations of country, in building construction process to around the foundation ditch, the outer rim of the outer rim of stair, balcony all must install interim protective guard.The interim protective guard of traditional stair and balcony generally adopts the reinforcing bar welding to make.Make this protective guard at first will be when carrying out concrete pouring embedded bar, reserve the position; Then, will weld together as the reinforcing bar of vertical rod and pre-buried reinforcing bar with electric welding machine; To weld together as the reinforcing bar and the vertical rod of cross bar at last, form the reinforcing bar protective guard.Finish when dismantling in construction, use gas welding cutting torch cutting reinforcing bar to remove.Adopt this protective guard to have following shortcoming: one, need to adopt the electric welding machine welding respectively and adopt the cutting of gas welding cutting torch in installation and demolishing process, labour intensity is big, inefficiency; Two, do not have interchangeability, can not repeat turnover and use; Three, the reinforcing bar after the dismounting becomes scrap iron and steel, causes bigger waste, has increased the cost of construction.
Summary of the invention:
The technical problems to be solved in the utility model is, existing reinforcing bar protective guard install and remove labour intensity big, can not repeat that turnover is used, the waste steel.For solving this technical problem, the utility model by the following technical solutions: protective guard, comprise vertical rod 1 and cross bar 2, cross bar 2 is installed in the vertical rod 1 by linkage.Its special character is: also comprise the ground linkage, vertical rod 1 is installed on the linkage of ground by stretching device.
Ground of the present utility model linkage has pedestal 3, has connecting hole 4 on the pedestal 3.Stretching device comprises loop bar 5 and locking mechanism 6, and loop bar 5 is fixed on the pedestal 3.Vertical rod 1 connects together with loop bar 5, and locking mechanism 6 is locked in vertical rod 1 on the loop bar 5.
Locking mechanism 6 of the present utility model comprises the screw 8 in bolt 7 and the vertical rod 1.Loop bar 5 is enclosed within the vertical rod 1, and bolt 7 cooperates with screw 8 in the vertical rod 1, and the inner of bolt 7 contacts with loop bar 5.
Linkage between cross bar 2 of the present utility model and the vertical rod 1 comprises sleeve 9 and locking mechanism 10.Cross bar 2 is enclosed within the sleeve 9, and locking mechanism 10 is locked in sleeve 9 in the vertical rod 1.
Locking mechanism 10 can unclamp in vertical rod 1 and lock.Locking mechanism 10 is after locking in the vertical rod 1, and cross bar 2 just is installed in the vertical rod 1 with sleeve 9.Locking mechanism 10 is after unclamping in the vertical rod 1, and cross bar 2 just can be pulled down from vertical rod 1 with sleeve 9.
Locking mechanism 10 of the present utility model comprises screw rod 11 and nut 12, and an end of screw rod 11 is fixed on the sleeve 9.Have installing hole 13 in the vertical rod 1, the other end of screw rod 11 passes installing hole 13 backs and cooperates with nut 12.
Linkage between cross bar 2 of the present utility model and the vertical rod 1 can also adopt another kind of scheme, and this linkage comprises fixed cover 14, turning set 15, sleeve pipe 16 and locking mechanism 17.Fixed cover 14 is fixed in the vertical rod 1, and turning set 15 connects together with fixed cover 14, and locking mechanism 17 is locked in turning set 15 on the fixed cover 14.One end of sleeve pipe 16 and an end of turning set 15 are fixed together, and the axis of sleeve pipe 16 is vertical mutually with the axis of turning set 15.The other end of sleeve pipe 16 and cross bar 2 connect together.
This technical scheme is mainly as the stair protective guard.Fixed cover 14 can directly be fixed in the vertical rod 1, also can be by other device indirect securement in vertical rod 1.Turning set 15 connects together with fixed cover 14, and turning set 15 can be rotated around fixed cover 14.Turning set 15 both can be enclosed within the fixed cover 14 by turning set 15 with the socket mode of fixed cover 14, also can be enclosed within the turning set 15 by fixed cover 14.Locking mechanism 17 is used for turning set 15 being unclamped on fixed cover 14 and locking.When locking mechanism 17 unclamped, turning set 15 can rotate around fixed cover 14, thereby regulated the angle between sleeve pipe 16 and cross bar 2 and the vertical rod 1, and cross bar 2 is equated with the gradient of stair.When locking mechanism 17 lockings, turning set 15 is locked on the fixed cover 14 and can not rotates, and the angle between cross bar 2 and the vertical rod 1 is fixed.Sleeve pipe 16 generally is integral with turning set 15.Sleeve pipe 16 both can be enclosed within the cross bar 2 by sleeve pipe 16 with the socket mode of cross bar 2, also can be enclosed within the sleeve pipe 16 by cross bar 2.
The middle part of fixed cover 14 of the present utility model is fixed in the vertical rod 1, and the axis of fixed cover 14 is vertical mutually with the axis of vertical rod 1.Turning set 15 and sleeve pipe 16 are fixed together L-shaped, and turning set 15 is enclosed within on the fixed cover 14.Locking mechanism 17 comprises the screw 19 on bolt 18 and the turning set 15, and bolt 18 cooperates with screw 19 on the turning set 15, and the inner of bolt 18 contacts with fixed cover 14.
Can also comprise ground lower connecting device 29 in the technique scheme of the present utility model.Ground lower connecting device 29 has flat board 30 and anchor pricker 31, and the upper end of anchor pricker 31 is fixed on dull and stereotyped 30, and the lower end of anchor pricker 31 has tip 32.Have connecting hole 33 on dull and stereotyped 30, dull and stereotyped 30 are connected with the ground linkage.
Compare with existing reinforcing bar protective guard, the utility model is owing to have the ground linkage, vertical rod 1 can be fixed on the ground by the ground linkage, can mount and dismount easily between ground linkage and the vertical rod 1 and between ground linkage and the ground; In addition,, do not have to adopt the welding manner of existing reinforcing bar protective guard to connect, can mount and dismount easily between cross bar 1 and the vertical rod 1 yet because cross bar 2 is installed in the vertical rod 1 by linkage.Therefore, the utlity model has following advantage: one, installation and removal do not need to adopt the electric welding machine welding and adopt the cutting of gas welding cutting torch, and simple to operate, labour intensity is low, the production efficiency height; Two, each component has interchangeability, can repeat turnover and use; Three, in dismounting and installation process, can not cause damage to component, unit in charge of construction has reduced construction cost.Owing to the utlity model has stretching device, the height of vertical rod 1 can be regulated, and has enlarged the scope of application of the present utility model.Owing to the utlity model has universal joint 20, being connected and can changing direction arbitrarily between cross bar 2 and the cross bar 2 can be protected the utility model to stair, balcony and the foundation ditch of some special shapes.
Description of drawings:
Fig. 1 is the organigram of the utility model embodiment 1;
Fig. 2 is the annexation figure between vertical rod 1 among Fig. 1, Fig. 4 and Fig. 9, loop bar 5 and the pedestal 3;
Fig. 3 is the annexation figure of vertical rod 1, fixed cover 14, turning set 15, sleeve pipe 16 and cross bar 2 among Fig. 1;
Fig. 4 is the organigram of the utility model embodiment 2;
Fig. 5 is the annexation figure between vertical rod 1 among Fig. 4, Fig. 6 and Fig. 9, sleeve 9 and the cross bar 2;
Fig. 6 is the enlarged drawing of annexation between cross bar 2 and the cross bar 2 among Fig. 4;
Fig. 7 is the annexation schematic diagram between cross bar 2 and the universal joint 20 among Fig. 6;
Fig. 8 is the organigram of universal joint 20 among Fig. 7;
Fig. 9 is the organigram of embodiment 3 of the present utility model;
Figure 10 is the annexation figure of pedestal 3 and ground lower connecting device 29 among Fig. 9;
Figure 11 be among Figure 10 the organigram of lower connecting device 29.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
Embodiment 1:
As shown in Figure 1 to Figure 3, present embodiment is a kind of stair protective guard that uses in building construction process, and it comprises vertical rod 1, cross bar 2, ground linkage and stretching device.Vertical rod 1 and cross bar 2 all are round steel pipe.Vertical rod 1 is installed on the linkage of ground by stretching device, and cross bar 2 is installed in the vertical rod 1 by linkage.The ground linkage has pedestal 3, and pedestal 3 is that square is dull and stereotyped, and it adopts the steel plate manufacturing, and pedestal 3 respectively has a connecting hole 4 near the position at four angles.Stretching device comprises loop bar 5 and locking mechanism 6.Loop bar 5 is a round steel pipe, and the lower end of loop bar 5 is weldingly fixed on the central authorities of pedestal 3, and the axis of loop bar 5 is vertical with pedestal 3.Locking mechanism 6 comprises the screw 8 in bolt 7 and the vertical rod 1.Loop bar 5 is enclosed within the vertical rod 1, and bolt 7 cooperates with screw 8 in the vertical rod 1, and the inner of bolt 7 contacts with loop bar 5.Linkage between cross bar 2 and the vertical rod 1 comprises fixed cover 14, turning set 15, sleeve pipe 16 and locking mechanism 17.Fixed cover 14 adopts round steel pipe, and sleeve 35 indirect securement are passed through in vertical rod 1 in its middle part.Sleeve 35 adopts round steel pipe, and it is welded in the vertical rod 1, and its axis is vertical mutually with the axis of vertical rod 1.The middle part of fixed cover 14 is enclosed within the sleeve 35, and is locked on the sleeve 35 by locking mechanism 36, and the axis of fixed cover 14 is vertical mutually with the axis of vertical rod 1.Locking mechanism 36 comprises the screw 38 on bolt 37 and the sleeve 35, and bolt 37 cooperates with screw 38, and the inner of bolt 37 contacts with fixed cover 14.Turning set 15 and sleeve pipe 16 all adopt round steel pipe, their equal diameters.One end of sleeve pipe 16 is weldingly fixed on an end of turning set 15, and the axis of sleeve pipe 16 is vertical mutually with the axis of turning set 15, and both are fixed together L-shaped.Locking mechanism 17 comprises the screw 19 on bolt 18 and the turning set 15.Turning set 15 is enclosed within on the fixed cover 14, and bolt 18 cooperates with screw 19 on the turning set 15, and the inner of bolt 18 contacts with fixed cover 14.One end of cross bar 2 is enclosed within the sleeve pipe 16, and cross bar 2 is locked on the sleeve pipe 16 by locking mechanism 39.Locking mechanism 39 comprises the screw 41 on bolt 40 and the sleeve pipe 16, and bolt 40 cooperates with screw 41, and the inner of bolt 40 contacts with cross bar 2.
Present embodiment mainly protects reciprocating type stair in building construction process.At first, according to the size and the position of four connecting holes 4 on the pedestal 3, use Churn drill to beat blind hole in the place of the conversion direction of stair.Then, adopt expansion bolt pedestal 3 to be fixed on the ground of stair by the blind hole on connecting hole 4 and the stair.Lower end with vertical rod 1 is enclosed within on the loop bar 5 again, vertical rod 1 is adjusted to proper height after, by bolt 7 and screw 8 vertical rod 1 is locked on the loop bar 5.Fixed cover 14 is enclosed within the sleeve 35, and the two ends that make the two ends of fixed cover 14 stretch out sleeve 35 are locked in fixed cover 14 on the sleeve 35 by bolt 37 and screw 38.The two ends of cross bar 2 are enclosed within respectively in two sleeve pipes 16, two turning sets 15 with these two sleeve pipe 16 correspondences are enclosed within respectively on two fixed covers 14 in the different vertical rod 1 again, these two vertical rods 1 are on two differing heights of stair, make the gradient basically identical of cross bar 2 and stair.At last, turning set 15 is locked on the fixed cover 14, cross bar 2 is locked on the sleeve pipe 16 by bolt 40 and screw 41 by bolt 18 and screw 19.During dismounting, at first, unclamp bolt 18, turning set 15 is pulled down from fixed cover 14, unclamp bolt 40, cross bar 2 is pulled down from sleeve pipe 16.Then, unclamp bolt 37, fixed cover 14 is pulled down from sleeve 35, unclamp bolt 7, vertical rod 1 is pulled down from loop bar 5.At last, the expansion bolt on the pedestal 3 is unclamped, pedestal 3 is pulled down from ground.
Embodiment 2:
To shown in Figure 8, present embodiment also is a kind of stair protective guard that uses in building construction process as Fig. 4, and it comprises vertical rod 1, cross bar 2, ground linkage and stretching device.Vertical rod 1 is installed on the linkage of ground by stretching device, and cross bar 2 is installed in the vertical rod 1 by linkage.The shape of the vertical rod 1 of present embodiment, cross bar 2, ground linkage and stretching device, structure and annexation each other be identical with embodiment 1 all, repeats no more here.Linkage between cross bar 2 and the vertical rod 1 comprises sleeve 9 and locking mechanism 10, and sleeve 9 is a cylindrical shape, and cross bar 2 is enclosed within the sleeve 9.Locking mechanism 10 comprises screw rod 11 and nut 12, and an end of screw rod 11 is weldingly fixed on sleeve 9, the intersect vertical axis of the axis of screw rod 11 and sleeve 9.Have installing hole 13 in the vertical rod 1, the other end of screw rod 11 passes installing hole 13 backs and cooperates with nut 12, and sleeve 9 is locked in the vertical rod 1.Have screw 43 on the sleeve 9, bolt 42 cooperates with screw 43, and the inner of bolt 42 contacts with cross bar 2, thereby cross bar 2 is locked on the sleeve 9.If cross bar 2 changes direction with the junction of cross bar 2, adopt universal joint 20 to connect.Universal joint 20 comprises joint pin 21, joint pin 22 and bearing pin 23.One end of joint pin 21 has cannelure 24, and the other end has dull and stereotyped 25.One end of joint pin 22 has cannelure 24, and the other end has opening straight trough 26.Dull and stereotyped 25 are positioned at opening straight trough 26, and joint pin 21 is connected with dull and stereotyped 25 by bearing pin 23.End with cannelure 24 of joint pin 21 and joint pin 22 is enclosed within respectively in the end of two cross bars 2, has screw 27 on the cross bar 2, and bolt 28 cooperates with screw 27, and the inner of bolt 28 contacts with the bottom land of cannelure 24.
Present embodiment mainly protects winding stairs in building construction process.Wherein, the mounting means of vertical rod 1, ground linkage and stretching device and dismounting mode are identical with embodiment's 1, repeat no more here.At first, cross bar 2 is enclosed within the sleeve 9, cross bar 2 is locked on the sleeve 9 by bolt 42 and screw 43.Then, the screw rod on the sleeve 9 11 is passed installing hole 13 in the vertical rod 1, again nut 12 is screwed tight on screw rod 13.At this moment, locking mechanism 10 is locked in sleeve 9 in the vertical rod 1.At last, junction such as needs in cross bar 2 and the end of cross bar 2 change direction, then adopt universal joint 20 to connect.Two joint pins 21,22 of universal joint 20 are enclosed within respectively in two cross bars 2, and in the screw 27 of cross bar 2, the inner that makes bolt 28 holds out against the bottom land of cannelure 24 with bolt 28 spiral shells.In the unloading process, at first unclamp bolt 28, from cross bar 2, pull down universal joint 20.Then, spiral shell lower nut 12 from the screw rod 11 is pulled down together with cross bar 2 sleeve 9 from vertical rod 1.At last, unclamp bolt 42, cross bar 2 is pulled down from sleeve 9.
Embodiment 3:
To shown in Figure 11, present embodiment is a kind of foundation ditch protective guard that uses in building construction process as Fig. 9, and it comprises vertical rod 1, cross bar 2, ground linkage, stretching device and ground lower connecting device 29.Vertical rod 1 is installed on the linkage of ground by stretching device, and cross bar 2 is installed in the vertical rod 1 by linkage.Shape, structure and the annexation each other of linkage, ground linkage and stretching device between the vertical rod 1 of present embodiment, cross bar 2, vertical rod 1 and the cross bar 2 be identical with embodiment 2 all, repeats no more here.Ground lower connecting device 29 has flat board 30 and anchor pricker 31.Dull and stereotyped 30 adopt the steel plate manufacturing, and it is a square, and size is identical with pedestal 3.Anchor pricker 31 adopts the steel pipe manufacturing, and the lower end has tip 32, and the upper end is weldingly fixed on dull and stereotyped 30 central authorities.Have on dull and stereotyped 30 four with pedestal 3 on connecting hole 4 mutual corresponding connecting holes 33.Dull and stereotyped 30 by connecting hole 33, connecting hole 4 and bolt connecting device 34 be fixed on pedestal 3 below.
Present embodiment mainly protects foundation ditch in building construction process.Wherein, the linkage between vertical rod 1, cross bar 2, vertical rod 1 and the cross bar 2 and the mounting means of stretching device and dismounting mode and embodiment's 2 is identical, repeats no more here.At first, anchor pricker 31 is inserted underground, make dull and stereotyped 30 to contact with ground.Then, vertical rod 1 is installed being fixed on pedestal 3 on dull and stereotyped 30 and the loop bar 5.
Claims (10)
1. protective guard comprises vertical rod (1) and cross bar (2), and cross bar (2) is installed in the vertical rod (1) by linkage; It is characterized in that: also comprise the ground linkage, vertical rod (1) is installed on the linkage of ground by stretching device.
2. protective guard according to claim 1 is characterized in that: the ground linkage has pedestal (3), has connecting hole (4) on the pedestal (3); Stretching device comprises loop bar (5) and locking mechanism (6), and loop bar (5) is fixed on the pedestal (3); Vertical rod (1) connects together with loop bar (5), and locking mechanism (6) is locked in vertical rod (1) on the loop bar (5).
3. protective guard according to claim 2 is characterized in that: locking mechanism (6) comprises the screw (8) in bolt (7) and the vertical rod (1); Loop bar (5) is enclosed within the vertical rod (1), and bolt (7) cooperates with screw (8) in the vertical rod (1), and the inner of bolt (7) contacts with loop bar (5).
4. protective guard according to claim 3 is characterized in that: pedestal (3) is a square plate, and loop bar (5) is fixed on the central authorities of pedestal (3), and pedestal (3) respectively has a connecting hole (4) near the position at four angles.
5. according to claim 1,2,3 or 4 described protective guards, it is characterized in that: the linkage between cross bar (2) and the vertical rod (1) comprises sleeve (9) and locking mechanism (10); Cross bar (2) is enclosed within the sleeve (9), and locking mechanism (10) is locked in sleeve (9) in the vertical rod (1).
6. protective guard according to claim 5 is characterized in that: locking mechanism (10) comprises screw rod (11) and nut (12), and an end of screw rod (11) is fixed on the sleeve (9); Have installing hole (13) in the vertical rod (1), the other end of screw rod (11) passes installing hole (13) back and cooperates with nut (12).
7. according to claim 1,2,3 or 4 described protective guards, it is characterized in that: the linkage between cross bar (2) and the vertical rod (1) comprises fixed cover (14), turning set (15), sleeve pipe (16) and locking mechanism (17); Fixed cover (14) is fixed in the vertical rod (1), and turning set (15) connects together with fixed cover (14), and locking mechanism (17) is locked in turning set (15) on the fixed cover (14); One end of one end of sleeve pipe (16) and turning set (15) is fixed together, and the axis of sleeve pipe (16) is vertical mutually with the axis of turning set (15); The other end of sleeve pipe (16) and cross bar (2) connect together.
8. protective guard according to claim 7 is characterized in that: the middle part of fixed cover (14) is fixed in the vertical rod (1), and the axis of fixed cover (14) is vertical mutually with the axis of vertical rod (1); Turning set (15) and sleeve pipe (16) are fixed together L-shaped, and turning set (15) is enclosed within on the fixed cover (14); Locking mechanism (17) comprises the screw (19) on bolt (18) and the turning set (15), and bolt (18) cooperates with screw (19) on the turning set (15), and the inner of bolt (18) contacts with fixed cover (14).
9. according to claim 1,2,3 or 4 described protective guards, it is characterized in that: cross bar (2) has universal joint (20), and universal joint (20) comprises joint pin (21), joint pin (22) and bearing pin (23); One end of joint pin (21) has cannelure (24), and the other end has flat board (25); One end of joint pin (22) has cannelure (24), and the other end has opening straight trough (26); Dull and stereotyped (25) are positioned at opening straight trough (26), and joint pin (21) is connected with dull and stereotyped (25) by bearing pin (23); End with cannelure (24) of joint pin (21) and joint pin (22) is enclosed within respectively in the end of two cross bars (2), has screw (27) on the cross bar (2), bolt (28) cooperates with screw (27), and the inner of bolt (28) contacts with the bottom land of cannelure (24).
10. according to claim 1,2,3 or 4 described protective guards, it is characterized in that: also comprise ground lower connecting device (29); Ground lower connecting device (29) has flat board (30) and anchor pricker (31), and the upper end of anchor pricker (31) is fixed on the flat board (30), and the lower end of anchor pricker (31) has tip (32); Have connecting hole (33) on dull and stereotyped (30), dull and stereotyped (30) are connected with the ground linkage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520133893 CN2841842Y (en) | 2005-11-11 | 2005-11-11 | Protective guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520133893 CN2841842Y (en) | 2005-11-11 | 2005-11-11 | Protective guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2841842Y true CN2841842Y (en) | 2006-11-29 |
Family
ID=37445729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520133893 Expired - Fee Related CN2841842Y (en) | 2005-11-11 | 2005-11-11 | Protective guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2841842Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168493A (en) * | 2011-03-17 | 2011-08-31 | 北城致远集团有限公司 | Foldable protective barrier near side of building |
| CN102251682A (en) * | 2011-04-25 | 2011-11-23 | 云南工程建设总承包公司 | Adjacent edge protection railing |
| CN102296766A (en) * | 2011-06-17 | 2011-12-28 | 江苏省建筑工程集团有限公司 | Assembled staircase temporary protective railing |
| CN101922230B (en) * | 2009-06-12 | 2012-01-11 | 柏凯工程有限公司 | Scaffolding guard bar |
| CN102979265A (en) * | 2012-12-13 | 2013-03-20 | 上海建工四建集团有限公司 | Conventionalized transferring device of staircase temporary protection railing |
| CN103225417A (en) * | 2013-04-03 | 2013-07-31 | 中天建设集团有限公司 | Corner connector for workside guard rail of staircase |
| CN104088469A (en) * | 2014-07-24 | 2014-10-08 | 南通鑫金建设集团有限公司 | Rapid assembly and disassembly instrument type safety protection railing |
| CN107514110A (en) * | 2017-10-19 | 2017-12-26 | 芜湖纯元光电设备技术有限公司 | A kind of banister security protection and detecting system |
| CN111851882A (en) * | 2020-05-07 | 2020-10-30 | 五冶集团上海有限公司 | Manufacturing and mounting method of temporary safety guardrail of steel stair |
| CN112324173A (en) * | 2020-10-27 | 2021-02-05 | 日照市睿尔泽新材料科技有限公司 | Temporary safety device is used in stair installation based on construction |
| CN113481872A (en) * | 2021-08-16 | 2021-10-08 | 陕西路桥集团有限公司 | Structure and construction method for safety guardrail on bent cap |
-
2005
- 2005-11-11 CN CN 200520133893 patent/CN2841842Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922230B (en) * | 2009-06-12 | 2012-01-11 | 柏凯工程有限公司 | Scaffolding guard bar |
| CN102168493A (en) * | 2011-03-17 | 2011-08-31 | 北城致远集团有限公司 | Foldable protective barrier near side of building |
| CN102251682B (en) * | 2011-04-25 | 2013-12-04 | 云南工程建设总承包公司 | Adjacent edge protection railing |
| CN102251682A (en) * | 2011-04-25 | 2011-11-23 | 云南工程建设总承包公司 | Adjacent edge protection railing |
| CN102296766A (en) * | 2011-06-17 | 2011-12-28 | 江苏省建筑工程集团有限公司 | Assembled staircase temporary protective railing |
| CN102979265A (en) * | 2012-12-13 | 2013-03-20 | 上海建工四建集团有限公司 | Conventionalized transferring device of staircase temporary protection railing |
| CN103225417A (en) * | 2013-04-03 | 2013-07-31 | 中天建设集团有限公司 | Corner connector for workside guard rail of staircase |
| CN104088469A (en) * | 2014-07-24 | 2014-10-08 | 南通鑫金建设集团有限公司 | Rapid assembly and disassembly instrument type safety protection railing |
| CN107514110A (en) * | 2017-10-19 | 2017-12-26 | 芜湖纯元光电设备技术有限公司 | A kind of banister security protection and detecting system |
| CN111851882A (en) * | 2020-05-07 | 2020-10-30 | 五冶集团上海有限公司 | Manufacturing and mounting method of temporary safety guardrail of steel stair |
| CN112324173A (en) * | 2020-10-27 | 2021-02-05 | 日照市睿尔泽新材料科技有限公司 | Temporary safety device is used in stair installation based on construction |
| CN112324173B (en) * | 2020-10-27 | 2022-08-26 | 山西三建集团有限公司 | Temporary safety device is used in stair installation based on construction |
| CN113481872A (en) * | 2021-08-16 | 2021-10-08 | 陕西路桥集团有限公司 | Structure and construction method for safety guardrail on bent cap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Shandong Province, Qingdao City, Jingde Road No. 26, building 1, unit 2, Yizhong alpine 0401, zip code: 266071 Patentee after: Zhang Kejun Address before: Room 5, unit 155, 202 Xuzhou Road, Shandong, Qingdao Province, 266071 Patentee before: Zhang Kejun |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061129 Termination date: 20141111 |
|
| EXPY | Termination of patent right or utility model |