CN212317538U - Interim stair protector that uses of construction is built in room - Google Patents
Interim stair protector that uses of construction is built in room Download PDFInfo
- Publication number
- CN212317538U CN212317538U CN202020721045.9U CN202020721045U CN212317538U CN 212317538 U CN212317538 U CN 212317538U CN 202020721045 U CN202020721045 U CN 202020721045U CN 212317538 U CN212317538 U CN 212317538U
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- mounting
- clamping plate
- bracing piece
- protection device
- building construction
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- 230000001012 protector Effects 0.000 title claims description 11
- 238000010276 construction Methods 0.000 title abstract description 6
- 238000009435 building construction Methods 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a temporary stair protection device for building construction, which relates to the technical field of house construction and solves the problem that the temporary protection device can not be recycled mostly, comprising two vertically arranged support rods, wherein the support rods are fixed on the stair through an installation part, a plurality of handrails are arranged between the two support rods, the handrails are composed of a plurality of sleeve pipes and a plurality of screw rods which are alternately screwed together through threaded connection, and the both ends of railing are the screw rod, and two spinal branch vaulting poles all are provided with a plurality of erection columns towards one side each other, and a plurality of erection columns on two spinal branch vaulting poles correspond each other and form the multiunit erection column, all offer the screw hole that is located same straight line on the lateral wall of two mutual orientation of same two erection columns of a set of, and many railings correspond with the multiunit erection column respectively, and the screw rod at railing both ends is threaded connection in two erection columns respectively downthehole. Two bracing pieces and many railings make up into a complete guardrail. It has the advantage that it can be recycled many times.
Description
Technical Field
The utility model belongs to the technical field of housing construction's technique and specifically relates to a temporary stair protector of using of building construction is related to.
Background
At present, with the continuous promotion of the urbanization process, the buildings in cities are also continuously expanded. The building can be built with stairs for people to walk, the stairs are generally not provided with protective devices in the building process, so that constructors can easily generate danger when walking on the stairs in the construction process, the protective fence is generally welded temporarily by using reinforcing steel bars in the conventional solution, the protective fence can be generally used only once and needs to be dismantled when the building is built, the dismantled protective fence cannot be used and can only be treated as building garbage, and thus, the waste of materials is great.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a protector is used temporarily in construction is built in room, it has the advantage that can manifold cycles uses.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a building construction uses stair protector temporarily, bracing piece including two vertical settings, the bracing piece passes through the installed part to be fixed on stair, be provided with many railings between two bracing pieces, the railing is twisted soon in turn through threaded connection by many sleeve pipes and many screw rods and is constituteed together, and the both ends of railing are the screw rod, two bracing pieces all are provided with a plurality of erection columns towards one side each other, a plurality of erection columns on two bracing pieces correspond each other and form the multiunit erection column, all set up the screw hole that is located same straight line on the lateral wall of two erection columns of same set of orientation each other, many railings correspond with the multiunit erection column respectively, the screw rod at railing both ends is threaded connection in the screwed hole on two erection columns respectively. Two bracing pieces and many railings make up into a complete guardrail.
Through adopting above-mentioned technical scheme, because railing on the guardrail comprises many screws and many sleeve pipes, so the length of railing can carry out the adjustment of length according to the demand of reality, can also make protector cyclic utilization simultaneously.
The present invention may be further configured in a preferred embodiment as: the cover is equipped with a plurality of rotatory pipes on the outer peripheral face of bracing piece, and the bracing piece rotates the rotary rod and supports, and a plurality of erection columns on the same bracing piece articulate respectively on the outer peripheral face of a plurality of rotatory pipes, and the erection tube can only carry out the rotation of vertical direction.
By adopting the technical scheme, the protective device can use more application scenes, such as stairs with different inclination degrees.
The present invention may be further configured in a preferred embodiment as: the installed part includes the mounting panel, and the mounting panel rigid coupling is in the bottom of bracing piece, and the bracing piece is perpendicular with the mounting panel, and the rigid coupling has the connecting rod parallel with the bracing piece on the outer peripheral face of mounting panel, and the spout has been seted up to the symmetry on the connecting rod, and one side that the mounting panel deviates from the bracing piece is provided with a first splint parallel with the mounting panel, and the rigid coupling has two connecting blocks on the same lateral wall of first splint, and equal rigid coupling has the slider with the spout adaptation on the lateral wall of two connecting blocks. The two sliding blocks are respectively connected in the two sliding grooves in a sliding manner. The bottom end of the supporting rod is fixedly connected with a second clamping plate parallel to the first clamping plate. Two clamping bolts penetrate between the first clamping plate and the second clamping plate. The clamping bolt is connected with the first clamping plate in a sliding mode and is in threaded connection with the second clamping plate.
Through adopting above-mentioned technical scheme, when installation protector, press from both sides stair and establish between first splint and second splint, then through twisting the clamp bolt soon, make first splint and second splint press from both sides tight stair, and then fix the bracing piece on stair.
The present invention may be further configured in a preferred embodiment as: first mounting hole has been seted up to the lower surface of mounting panel, sets up the second mounting hole that aligns the intercommunication with first mounting hole on the terminal surface of bracing piece bottom, and threaded connection has the puller bar in first mounting hole and the second mounting hole.
Through adopting above-mentioned technical scheme, when first splint and second splint press from both sides tight stair, through twisting the tight pole in top of revolving, make the tight pole in top move towards first splint and the tight mounting panel in gradual top to make first splint and second splint to the fixed stability more of bracing piece.
The present invention may be further configured in a preferred embodiment as: and the side walls of the first clamping plate and the second clamping plate which face each other are fixedly connected with elastic pads.
Through adopting above-mentioned technical scheme, the contact is more abundant between first splint and second splint and the stair surface, and then makes first splint and second splint fixed more stable to the bracing piece.
The present invention may be further configured in a preferred embodiment as: and a protective net is arranged between the two support rods and is fixed between the two support rods through a fixing component.
Through adopting above-mentioned technical scheme, further protection security that has increased protector.
The present invention may be further configured in a preferred embodiment as: the fixing assembly comprises a fixing rod, and the fixing rod comprises a first portion, a second portion and a third portion. Set up the fixed orifices of laying along bracing piece length direction on the up end of bracing piece, the dead lever slides and connects in the fixed orifices, the both ends of second portion are articulated with the one end of first portion and third portion respectively on the dead lever, the second locating hole has been seted up on the outer peripheral face of bracing piece, first locating hole has been seted up in the first portion, when fixed subassembly is fixed the protection network, first locating hole and second locating hole align, and wear to be equipped with positioning bolt in first locating hole and the second locating hole this moment.
Through adopting above-mentioned technical scheme, the dead lever can press from both sides the protection network tightly when using, and the dead lever can be put in the fixed orifices on the bracing piece when not using, and then saves space more.
The present invention may be further configured in a preferred embodiment as: an annular limiting groove is formed in the inner peripheral surface of the fixing hole, a limiting block matched with the fixing groove is fixedly connected to one end, deviating from the second portion, of the third portion, and the limiting block is connected to the limiting groove in a sliding mode.
Through adopting above-mentioned technical scheme, when the staff pulled out the dead lever from the fixed orifices, can avoid the dead lever to be pulled out completely from the fixed orifices by the staff.
The present invention may be further configured in a preferred embodiment as: and a plurality of tightening bolts used for tightening the protective net are arranged on the first part of the fixing rod in a penetrating way.
Through adopting above-mentioned technical scheme, the tight protection network in top bolt messenger top tight bolt top carries out the secondary to the protection network and fixes, and then makes the protection network fixed more firm.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the guardrail is formed by alternately screwing a plurality of groups of sleeves and screw threads together, so that the guardrail can be freely changed in length and can be recycled for a plurality of times, and the guardrail and the supporting rod are also detachably connected, so that the protective device is more convenient to recycle;
2. the mounting piece is provided with the first clamping plate and the second clamping plate which are clamped through the clamping bolt, so that the mounting and dismounting of the supporting rod are more convenient;
3. through set up the protection network between two spinal branch vaulting poles, the protection network passes through fixed subassembly to be fixed on the bracing piece to the dead lever on the fixed subassembly can be received in the fixed orifices on the bracing piece, has reduced fixed subassembly's occupation space, and more convenient when transporting protector.
Drawings
FIG. 1 is a schematic structural view of the protection device in the installed state in the present embodiment;
FIG. 2 is a schematic structural diagram of the protective device in the present embodiment;
FIG. 3 is a schematic structural view of the external shape of the mounting member in the present embodiment;
FIG. 4 is a schematic structural view of a first clamping plate according to the present embodiment;
figure 5 is a side cross-sectional view of the support pole and mounting member of this embodiment highlighting the internal structure of the support pole.
In the figure, 1, a support rod; 11. mounting a column; 12. a groove; 121. rotating the tube; 13. a second mounting hole; 14. a second positioning hole; 15. a fixing hole; 151. a limiting groove; 2. a mounting member; 21. mounting a plate; 211. a first mounting hole; 22. a connecting rod; 221. a chute; 23. a first splint; 231. connecting blocks; 2311. a slider; 24. a second splint; 25. clamping the bolt; 26. an elastic pad; 27. a tightening rod; 3. a railing; 31. a sleeve; 32. a screw; 4. a protective net; 5. a fixing assembly; 51. fixing the rod; 511. a first part; 5111. a first positioning hole; 5112. jacking the bolt; 512. a second section; 513. a third section; 5131. a limiting block; 6. stairs.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a building construction uses stair protector temporarily, including two cross sections for the bracing piece 1 of circular and vertical setting, bracing piece 1 passes through installed part 2 to be fixed on stair 6, and the top and the bottom of 6 one sides of stair all are fixed with bracing piece 1, are provided with two railing 3 between two bracing pieces 1.
Referring to fig. 2 and 3, the balustrade 3 is composed of a plurality of sleeves 31 and a plurality of screws 32, the plurality of sleeves 31 and the plurality of screws 32 are alternately screwed together to form a complete balustrade 3, and both ends of the balustrade 3 are the screws 32. Two spinal branch vaulting poles 1 all are provided with two cross sections towards one side each other and are circular shape erection column 11, two erection columns 11 on two spinal branch vaulting poles 1 correspond each other and form two sets of erection columns 11, and two erection columns 11 with a set of are located same straight line, and all set up threaded hole on the terminal surface of two erection columns 11 mutual orientation of same group, two railing 3 correspond with two sets of erection columns 11 respectively, and threaded hole on two erection columns 11 is threaded connection respectively to the screw rod 32 at 3 both ends of railing. Two support rods 1 and two railings 3 are combined into a complete guardrail.
Because the railing 3 on the guardrail is composed of a plurality of screw rods 32 and a plurality of sleeves 31, the length of the railing 3 can be adjusted according to actual requirements, the adjustment mode can be realized by controlling the length of the screw rods 32 extending into the sleeves 31 or increasing the number of the screw rods 32 and the sleeves 31. Therefore, the handrail 3 is more convenient to install between the two support rods 1, and meanwhile, the protective device can be recycled.
Referring to fig. 3 and 5, two annular grooves 12 are formed in the outer peripheral surface of the support rod 1, a rotating pipe 121 is sleeved in each groove 12, the rotating pipe 121 is rotatably connected in each groove 12, two mounting columns 11 on the same support rod 1 are hinged to the outer peripheral surfaces of the two rotating pipes 121 respectively, and the mounting pipes can only rotate in the vertical direction. Through setting up the mount pad on rotatory pipe 121 for the guardrail is in the installation, and the angle of guardrail mount pad horizontal direction can be adjusted, and then makes bracing piece 1 can adapt to more application scene, and the mount pad articulates on rotatory pipe 121, makes bracing piece 1 can satisfy the use of different inclination stairs 6.
Referring to fig. 2, fig. 3, installed part 2 includes mounting panel 21, and mounting panel 21 rigid coupling is in the bottom of bracing piece 1, and bracing piece 1 is perpendicular with mounting panel 21, and the rigid coupling has the connecting rod 22 parallel with bracing piece 1 on the outer peripheral face of mounting panel 2, and the cross section of connecting rod 22 sets up to the rectangle, all offers the spout 221 that the cross section is the T shape on two lateral walls that are in the relative position on the connecting rod 22, and one side that mounting panel 21 deviates from bracing piece 1 is provided with a first splint 23 parallel with mounting panel 21. Two connecting blocks 231 are fixedly connected to the same side wall of the first clamping plate 23, and sliders 2311 (see fig. 4) which are T-shaped in cross section and are matched with the sliding grooves 221 are fixedly connected to the side walls of the two connecting blocks 231 facing each other. The two sliding blocks 2311 are respectively connected in the two sliding grooves 221 in a sliding manner. A second clamping plate 24 parallel to the first clamping plate 23 is fixedly connected to the bottom end of the supporting rod 1. Two clamping bolts 25 are inserted between the first clamping plate 23 and the second clamping plate 24. The clamping bolt 25 is slidably connected to the first clamping plate 23, and the clamping bolt 25 is threadedly connected to the second clamping plate 24. When the protection device is installed, the stair 6 is clamped between the first clamping plate 23 and the second clamping plate 24, then the clamping bolts 25 are screwed, so that the first clamping plate 23 and the second clamping plate 24 clamp the stair 6, and the support rod 1 is fixed on the stair 6.
Referring to fig. 5, in order to increase the stability of the first clamping plate 23 and the second clamping plate 24 when the support rod 1 is fixed, a first mounting hole 211 is formed in the lower surface of the mounting plate 21, a second mounting hole 13 aligned and communicated with the first mounting hole 211 is formed in the end surface of the bottom end of the support rod 1, and a tightening rod 27 is connected to the first mounting hole 211 and the second mounting hole 13 through internal threads. When the first clamping plate 23 and the second clamping plate 24 clamp the stairs 6, the tightening rod 27 is moved towards the first clamping plate 23 and gradually tightens against the mounting plate 21 by screwing the tightening rod 27, so that the fixing of the support rod 1 by the first clamping plate 23 and the second clamping plate 24 is more stable.
The surface of the staircase 6 is not very flat and if the first clamping plate 23 and the second clamping plate 24 are in direct contact with the staircase 6, the contact between the first clamping plate 23 and the second clamping plate 24 and the staircase 6 will be insufficient. For this purpose, elastic pads 26 are fixedly connected to the mutually facing side walls of the first clamping plate 23 and the second clamping plate 24. When the first clamping plate 23 and the second clamping plate 24 are used for clamping the stairs 6, because of the existence of the elastic pad 26, the contact between the first clamping plate 23 and the second clamping plate 24 and the surface of the stairs 6 is more sufficient, and then the first clamping plate 23 and the second clamping plate 24 are more stable to fix the support rod 1.
Referring to fig. 2, a protective screen 4 is disposed between two support rods 1, and the protective screen 4 is fixed between the two support rods 1 by a fixing assembly 5. This further increases the safety of the guard.
Referring to fig. 2 and 5, the fixing assembly 5 includes a fixing rod 51, and the fixing rod 51 includes a first portion 511, a second portion 512, and a third portion 513. The upper end face of the supporting rod 1 is provided with a fixing hole 15 arranged along the length direction of the supporting rod 1, the fixing rod 51 is connected in the fixing hole 15 in a sliding mode, and two ends of the second portion 512 of the fixing rod 51 are hinged to one ends of the first portion 511 and the third portion 513 respectively. The outer peripheral surface of the support rod 1 is provided with a second positioning hole 14, and the first portion 511 is provided with a first positioning hole 5111. After the protection net 4 is arranged between the two support rods 1, the fixing rod 51 can be pulled out of the fixing hole 15 on the support rod 1, then the second portion 512 and the first portion 511 are rotated to align the first positioning hole 5111 on the first portion 511 with the second positioning hole 14 on the support rod 1, and then a positioning bolt is inserted into the first positioning hole 5111 and the second positioning hole 14. The first portions 511 thus clamp the protection net 4, and further fix the protection net 4 to the support bar 1.
An annular limiting groove 151 is formed in the inner circumferential surface of the fixing hole 15, one end, away from the second portion 512, of the third portion 513 is fixedly connected with a limiting block 5131 matched with the fixing groove, and the limiting block 5131 is connected in the limiting groove 151 in a sliding mode. With this arrangement, when the worker pulls out the fixing lever 51 from the fixing hole 15, the fixing lever 51 can be prevented from being completely pulled out from the fixing hole 15 by the worker.
A plurality of tightening bolts 5112 are inserted into the first portion 511 of the fixing rod 51, and the plurality of tightening bolts 5112 are arranged along the longitudinal direction of the fixing rod 51. After the fixing rod 51 fixes the protection net 4, a worker may screw the tightening bolt 5112 on the first portion 511, and then screw the tightening bolt 5112 to make the tightening bolt 5112 tighten against the protection net 4, so that the protection net 4 is fixed more stably.
The implementation principle of the embodiment is as follows: when the protection device is installed, firstly, the length of the handrail 3 is adjusted according to the length of the stair 6, then the support rods 1 are fixed on the stair 6, two handrails 3 are installed on the two support rods 1, then the protective net 4 is tightly attached to the two support rods 1, the fixing rod 51 is pulled out from the fixing hole 15 on the support rod 1, then the first portion 511 on the fixing rod 51 is fixed on the support rod 1 after clamping the protective net 4, and then the jacking bolt 5112 is arranged on the first portion 511 in a penetrating mode and jacks the protective net 4 tightly.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a building construction is temporarily with stair protector which characterized in that: comprises two vertically arranged support rods (1), the support rods (1) are fixed on a stair (6) through mounting pieces (2), a plurality of handrails (3) are arranged between the two support rods (1), the handrails (3) are formed by alternately screwing a plurality of sleeves (31) and a plurality of screw rods (32) together through threaded connection, both ends of the handrails (3) are respectively provided with the screw rods (32), one side of each support rod (1) facing each other is provided with a plurality of mounting columns (11), the mounting columns (11) on the two support rods (1) correspond to each other to form a plurality of groups of mounting columns (11), the mutually facing side walls of the two mounting columns (11) of the same group are respectively provided with threaded holes positioned on the same straight line, the plurality of handrails (3) correspond to the plurality of groups of mounting columns (11), the screw rods (32) at both ends of the handrails (3) are respectively in threaded connection with the threaded, two support rods (1) and a plurality of railings (3) are combined into a complete guardrail.
2. The temporary stair protection device for house building construction according to claim 1, wherein: the utility model discloses a supporting rod, including bracing piece (1), bracing piece (1) and rotation support, the cover is equipped with a plurality of rotatory pipes (121) on the outer peripheral face of bracing piece (1), and a plurality of erection columns (11) on same bracing piece (1) articulate respectively on the outer peripheral face of a plurality of rotatory pipes (121), and the rotation of vertical direction can only be carried out to the erection tube.
3. The temporary stair protection device for house building construction according to claim 1, wherein: the mounting part (2) comprises a mounting plate (21), the mounting plate (21) is fixedly connected at the bottom end of the support rod (1), the support rod (1) is perpendicular to the mounting plate (21), a connecting rod (22) parallel to the support rod (1) is fixedly connected to the outer peripheral surface of the mounting plate (21), sliding grooves (221) are symmetrically formed in the connecting rod (22), a first clamping plate (23) parallel to the mounting plate (21) is arranged on one side, away from the support rod (1), of the mounting plate (21), two connecting blocks (231) are fixedly connected to the same side wall of the first clamping plate (23), sliding blocks (2311) matched with the sliding grooves (221) are fixedly connected to the side walls, facing each other, of the two sliding blocks (2311) are connected in the two sliding grooves (221) in a sliding mode respectively, a second clamping plate (24) parallel to the first clamping plate (23) is fixedly connected to the bottom end of, two clamping bolts (25) penetrate between the first clamping plate (23) and the second clamping plate (24), the clamping bolts (25) are in sliding connection with the first clamping plate (23), and the clamping bolts (25) are in threaded connection with the second clamping plate (24).
4. The temporary stair protection device for house building construction according to claim 3, wherein: first mounting hole (211) have been seted up to the lower surface of mounting panel (21), offer on the terminal surface of bracing piece (1) bottom with first mounting hole (211) align second mounting hole (13) of intercommunication, first mounting hole (211) and second mounting hole (13) female connection have tightening rod (27).
5. The temporary stair protection device for house building construction according to claim 4, wherein: the side walls of the first clamping plate (23) and the second clamping plate (24) which face each other are fixedly connected with elastic pads (26).
6. The temporary stair protection device for house building construction according to claim 1, wherein: a protective net (4) is arranged between the two support rods (1), and the protective net (4) is fixed between the two support rods (1) through a fixing component (5).
7. The temporary stair protection device for house building construction according to claim 6, wherein: fixed subassembly (5) includes dead lever (51), dead lever (51) include first portion (511), second portion (512) and third portion (513), set up fixed orifices (15) laid along bracing piece (1) length direction on the up end of bracing piece (1), dead lever (51) are slided and are connected in fixed orifices (15), the both ends of second portion (512) are articulated with the one end of first portion (511) and third portion (513) respectively on dead lever (51), second locating hole (14) have been seted up on the outer peripheral face of bracing piece (1), first locating hole (5111) have been seted up on first portion (511), when fixed subassembly (5) are fixed protection network (4), first locating hole (5111) and second locating hole (14) align, and wear to be equipped with positioning bolt in first locating hole (5111) and the second locating hole (14) this moment.
8. The temporary stair protection device for building construction according to claim 7, wherein: annular spacing groove (151) have been seted up on the inner peripheral surface of fixed orifices (15), the one end rigid coupling that third portion (513) deviate from second portion (512) has stopper (5131) with the fixed slot adaptation, stopper (5131) slide and connect in spacing groove (151).
9. The temporary stair protection device for building construction according to claim 8, wherein: a plurality of jacking bolts (5112) for jacking the protective net (4) are arranged on the first part (511) of the fixing rod (51) in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020721045.9U CN212317538U (en) | 2020-04-30 | 2020-04-30 | Interim stair protector that uses of construction is built in room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020721045.9U CN212317538U (en) | 2020-04-30 | 2020-04-30 | Interim stair protector that uses of construction is built in room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212317538U true CN212317538U (en) | 2021-01-08 |
Family
ID=74024365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020721045.9U Expired - Fee Related CN212317538U (en) | 2020-04-30 | 2020-04-30 | Interim stair protector that uses of construction is built in room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212317538U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389429A (en) * | 2021-05-12 | 2021-09-14 | 广船国际有限公司 | Interim protector and interim rail guard, interim flood prevention device |
| CN114250927A (en) * | 2021-12-14 | 2022-03-29 | 宁波建工工程集团有限公司 | Stair temporary railing construction structure and construction method thereof |
| CN116220404A (en) * | 2023-02-03 | 2023-06-06 | 中建三局集团有限公司 | Temporary safety protection equipment for building stair construction |
| CN116220404B (en) * | 2023-02-03 | 2024-11-15 | 中建三局集团有限公司 | Temporary safety protection equipment for building stair construction |
-
2020
- 2020-04-30 CN CN202020721045.9U patent/CN212317538U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389429A (en) * | 2021-05-12 | 2021-09-14 | 广船国际有限公司 | Interim protector and interim rail guard, interim flood prevention device |
| CN114250927A (en) * | 2021-12-14 | 2022-03-29 | 宁波建工工程集团有限公司 | Stair temporary railing construction structure and construction method thereof |
| CN116220404A (en) * | 2023-02-03 | 2023-06-06 | 中建三局集团有限公司 | Temporary safety protection equipment for building stair construction |
| CN116220404B (en) * | 2023-02-03 | 2024-11-15 | 中建三局集团有限公司 | Temporary safety protection equipment for building stair construction |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210108 |