CN112878604A - Mobile stair based on BIM - Google Patents
Mobile stair based on BIM Download PDFInfo
- Publication number
- CN112878604A CN112878604A CN202011088331.7A CN202011088331A CN112878604A CN 112878604 A CN112878604 A CN 112878604A CN 202011088331 A CN202011088331 A CN 202011088331A CN 112878604 A CN112878604 A CN 112878604A
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- handrail
- stair
- fixed
- bim
- rod
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
- E04F11/06—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic
Abstract
The invention discloses a BIM-based movable stair, which relates to the technical field of movable stairs and comprises a base, a stair main body and a safety protection mechanism, wherein a supporting member is fixed on the left side above the base, a cement column is poured on the inner side of the supporting member, the stair main body is arranged on the right side above the base, the stair main body is fixedly connected with the supporting member, an outer baffle is fixed on the outer side of the stair main body, a supporting plate frame is arranged below the stair main body, a supporting rod is fixed between the supporting plate frame and the stair main body, an outer barrier is fixed on the outer side of the supporting plate frame, and first telescopic rods are respectively arranged on two sides of the bottom of the stair main body. The invention has the beneficial effects that: the device is convenient for go up and down to adjust the position height of first handrail railing and second handrail railing through first telescopic link and second telescopic link, is convenient for go up and down to adjust the position height of handrail frame and safety protection mechanism 17 through second telescopic link and third telescopic link, uses more in a flexible way, and the suitability is wider.
Description
Technical Field
The invention relates to the technical field of mobile stairs, in particular to a mobile stair based on BIM.
Background
The stairs are a building design for connecting large vertical distance, are used for traffic connection between floors and when the height difference is large, and have the characteristic of mobility. Building Information Modeling (Building Information Modeling, also called Building Information Modeling), referred to as BIM for short, is a Building or construction engineering Information model that is composed of sufficient Information to support new product development and management and can be directly interpreted by a computer application program, i.e., life cycle management of a Building environment supported by digital technology. It is a new tool for architecture, engineering and civil engineering, and can be used for modeling of moving stairs.
The current removal stair based on BIM is at the in-process that uses, and stair bear the weight of the atress intensity not high to safety protection nature is not enough, and the railing part of side is not convenient for go up and down to adjust moreover, and the flexibility of use is lower, for this reason, we propose the removal stair based on BIM.
Disclosure of Invention
The invention aims to provide a BIM-based movable stair, which aims to solve the problems that the bearing stress strength of the stair is not high, the safety protection performance is not enough, the side rail part is inconvenient to lift and adjust and the use flexibility is low in the using process of the conventional BIM-based movable stair in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the BIM-based movable stair comprises a base, a stair body and a safety protection mechanism, wherein a supporting member is fixed on the left side above the base, cement columns are poured on the inner side of the supporting member, the stair body is arranged on the right side above the base and is fixedly connected with the supporting member, an outer baffle is fixed on the outer side of the stair body, a supporting plate frame is arranged below the stair body, a supporting rod is fixed between the supporting plate frame and the stair body, an outer barrier is fixed on the outer side of the supporting plate frame, first telescopic rods are installed on two sides of the bottom of the stair body, second telescopic rods are installed on two sides of the upper portion of the stair body, a first handrail and a second handrail are installed between the first telescopic rod and the second telescopic rods from top to bottom in sequence, a guardrail mechanism is fixed below the second handrail, a third telescopic rod is installed above the supporting member, and the downside between third telescopic link and the second telescopic link and upside are connected with connecting rod and handrail frame respectively, safety protection mechanism installs in the below of handrail frame, the below both sides of base all are installed and are removed the wheel, and the below outside of base is fixed with positioning mechanism.
Preferably, be vertical column structure between bracing piece and the backup pad frame, and the bracing piece equidistance sets up between backup pad frame and stair main body.
Preferably, be parallel column structure between first handrail railing and the second handrail railing, and first handrail railing and second handrail railing all constitute elevation structure through first telescopic link and second telescopic link.
Preferably, guardrail mechanism is including oversheath, guardrail bar, lug and activity groove, the top of stair main part is fixed with the guardrail bar, and the outer wall of guardrail bar is fixed with the lug, the top outside cover of guardrail bar is equipped with the oversheath, and the inner wall of oversheath is provided with the activity groove, the upper end of oversheath is fixed mutually with the downside of second handrail bar.
Preferably, the symmetry center of the outer sheath coincides with the symmetry center of the guardrail bar, and the guardrail bar forms a movable clamping structure through the projection and the movable groove.
Preferably, safety protection mechanism is including montant, flexible fender rod, prevent weighing down net, fly leaf and expanding spring, the below of handrail frame is fixed with the montant, and installs flexible fender rod between the montant, be provided with between the downside of flexible fender rod and the supporting member and prevent weighing down the net, the bottom of montant is connected with the fly leaf, and is provided with expanding spring between the fly leaf.
Preferably, the flexible guard bars are equidistantly arranged between the vertical rods, and the movable plate at the bottom of the vertical rod is elastically connected with the telescopic spring.
Preferably, positioning mechanism is including mounting panel, hydraulic stem, bottom plate and wear-resisting bed course, the hydraulic stem is installed to the below of mounting panel, and the bottom of hydraulic stem is fixed with the bottom plate, the lower side of bottom plate has the wear-resisting bed course to glue and has connect.
Preferably, the bottom plate and the wear-resistant cushion layer form a telescopic structure through the hydraulic rod and the mounting plates, and the mounting plates are symmetrical with respect to the vertical center line of the base.
The invention provides a BIM-based movable stair, which has the following beneficial effects:
1. the stair main body can be supported to a certain extent through the supporting members, the cement columns are convenient for enhancing the stress strength of the supporting members, the supporting plate frames are positioned below the stair main body and fixedly connected with the supporting members and can be used for supporting stress, the supporting rods arranged at equal intervals are convenient for supporting the lower part of the stair main body, and the bearing capacity of the stair main body is improved.
2. The first handrail and the second handrail which are parallel to each other are simultaneously arranged, the first handrail and the second handrail can be suitable for adults and children respectively, the first telescopic rod and the second telescopic rod are convenient for lifting and adjusting the position height of the first handrail and the second handrail, the use is more flexible, and the applicability is wider.
3. The outer sheath is conveniently sleeved on the outer side above the guardrail rod, the upper and lower movable connection between the outer sheath and the guardrail rod is facilitated through the mutual matching between the convex block and the movable groove, the height of the guardrail mechanism is adjustable, the first telescopic rod and the second telescopic rod can be conveniently matched to lift, and meanwhile the guardrail rod is convenient for protecting a side plate of a stair main body.
4. According to the invention, the flexible protection rods arranged at equal intervals are convenient for carrying out safety protection on the outer side of the platform above the supporting member, meanwhile, the outer side of each flexible protection rod is made of rubber, so that the safety protection device is suitable for safety protection of children, the movable plate at the bottom of the vertical rod is elastically connected with the telescopic spring, so that a certain elastic movable space is formed, and meanwhile, the anti-falling net arranged between the lower side surface of each flexible protection rod and the supporting member has the stretchable characteristic, so that the lifting of the second telescopic rod and the lifting of the third telescopic rod are convenient to match.
5. The movable wheels are used for facilitating the movement of the base, so that the integral movement of the stair main body is facilitated, the two groups of symmetrical positioning mechanisms are respectively arranged on two sides below the base to enable the support to be stable, the bottom plate is of a lifting structure, the bottom plate can be conveniently moved downwards to extend through the hydraulic rod, the bottom plate and the wear-resistant cushion layer can be attached to the ground, and the base is convenient to stably arrange.
Drawings
FIG. 1 is a schematic side view of the BIM-based mobile stairway according to the present invention;
FIG. 2 is a schematic diagram of a cross-sectional view of the middle part of the BIM-based mobile stairway according to the present invention;
FIG. 3 is an enlarged schematic view of the guardrail mechanism of the BIM-based mobile staircase according to the present invention;
FIG. 4 is a schematic top sectional view of the guardrail structure of the BIM-based mobile stairway of the present invention;
FIG. 5 is an enlarged schematic view of the safety protection mechanism of the BIM-based mobile stairway according to the present invention;
fig. 6 is an enlarged schematic view of the Building Information Modeling (BIM) -based mobile stairway shown in fig. 5 at a.
In the figure: 1. a base; 2. a support member; 3. a cement column; 4. a stair body; 5. an outer baffle; 6. a support plate frame; 7. a support bar; 8. an outer barrier; 9. a first telescopic rod; 10. a second telescopic rod; 11. a first handrail; 12. a second handrail; 13. a guardrail mechanism; 1301. an outer sheath; 1302. guard rails; 1303. a bump; 1304. a movable groove; 14. a third telescopic rod; 15. a connecting rod; 16. a handrail frame; 17. a safety protection mechanism; 1701. a vertical rod; 1702. a flexible guard bar; 1703. the anti-falling net; 1704. a movable plate; 1705. a tension spring; 18. a moving wheel; 19. a positioning mechanism; 1901. mounting a plate; 1902. a hydraulic lever; 1903. a base plate; 1904. a wear resistant pad layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, the present invention provides the following technical solutions: the BIM-based movable stair comprises a base 1, a support member 2, a cement column 3, a stair body 4, an outer baffle 5, a support plate frame 6, a support rod 7, an outer barrier 8, a first telescopic rod 9, a second telescopic rod 10, a first handrail rod 11, a second handrail rod 12, a guardrail mechanism 13, an outer sheath 1301, a handrail rod 1302, a bump 1303, a movable groove 1304, a third telescopic rod 14, a connecting rod 15, a handrail frame 16, a safety protection mechanism 17, a vertical rod 1701, a flexible guard rod 1702, a falling prevention net 1703, a movable plate 1704, a telescopic spring 1705, a movable wheel 18, a positioning mechanism 19, a mounting plate 1901, a hydraulic rod 1902, a bottom plate 1903 and a wear-resistant cushion layer 1904, wherein the support member 2 is fixed on the left side above the base 1, the cement column 3 is poured on the inner side of the support member 2, the stair body 4 is arranged on the right side above the base 1, and the stair body 4 is fixedly connected with, an outer baffle 5 is fixed on the outer side of the stair main body 4, a supporting plate frame 6 is arranged below the stair main body 4, supporting rods 7 are fixed between the supporting plate frame 6 and the stair main body 4, an outer barrier 8 is fixed on the outer side of the supporting plate frame 6, the supporting rods 7 and the supporting plate frame 6 are of a vertical structure, the supporting rods 7 are equidistantly arranged between the supporting plate frame 6 and the stair main body 4, the supporting plate frame 6 is located below the stair main body 4 and is fixedly connected with the supporting member 2 and can be used for supporting stress, the supporting rods 7 which are equidistantly arranged are convenient for supporting the lower part of the stair main body 4, and the bearing capacity of the stair main body 4 is improved;
first telescopic links 9 are installed on two sides of the bottom of the stair body 4, second telescopic links 10 are installed on two sides of the upper portion of the stair body 4, a first handrail 11 and a second handrail 12 are installed between the first telescopic links 9 and the second telescopic links 10 from top to bottom in sequence, a guardrail mechanism 13 is fixed below the second handrail 12, a parallel structure is formed between the first handrail 11 and the second handrail 12, the first handrail 11 and the second handrail 12 form a lifting structure through the first telescopic links 9 and the second telescopic links 10, the first handrail 11 and the second handrail 12 which are parallel to each other can be suitable for adults and children respectively, the height of the first handrail 11 and the height of the second handrail 12 can be adjusted conveniently through the first telescopic links 9 and the second telescopic links 10, the use is more flexible, the applicability is wider, and the guardrail mechanism 13 comprises an outer sheath 1301, a lower part and a lower part, The guardrail rod 1302, the projection 1303 and the movable groove 1304 are fixed above the stair body 4, the projection 1303 is fixed on the outer wall of the guardrail rod 1302, the outer side above the guardrail rod 1302 is sleeved with the outer sheath 1301, the inner wall of the outer sheath 1301 is provided with the movable groove 1304, the upper end of the outer sheath 1301 is fixed with the lower side surface of the second handrail 12, the symmetric center of the outer sheath 1301 is overlapped with the symmetric center of the guardrail rod 1302, the guardrail rod 1302 forms a movable clamping structure through the projection 1303 and the movable groove 1304, the outer sheath 1301 is convenient to be sleeved on the outer side above the guardrail rod 1302, the projection 1303 and the movable groove 1304 are matched with each other to facilitate the up-down movable connection between the outer sheath 1301 and the guardrail rod 1302, so that the height of the guardrail mechanism 13 is adjustable, and the lifting of the first telescopic rod 9 and the second telescopic rod 10 is convenient;
a third telescopic rod 14 is installed above the supporting member 2, a connecting rod 15 and a handrail frame 16 are respectively connected to the lower side and the upper side between the third telescopic rod 14 and the second telescopic rod 10, a safety protection mechanism 17 is installed below the handrail frame 16, the safety protection mechanism 17 comprises a vertical rod 1701, a flexible guard rod 1702, a falling-preventing net 1703, a movable plate 1704 and a telescopic spring 1705, the vertical rod 1701 is fixed below the handrail frame 16, the flexible guard rod 1702 is installed between the vertical rods 1701, the falling-preventing net 1703 is arranged between the lower side of the flexible guard rod 1702 and the supporting member 2, the movable plate 1704 is connected to the bottom of the vertical rod 1701, the telescopic spring 1705 is arranged between the movable plates 1704, the flexible guard rods 1702 are equidistantly arranged between the vertical rods 1701, the movable plate 1704 and the telescopic spring 1705 at the bottom of the vertical rod 1701 are elastically connected, and the flexible guard rod 1702 arranged at equal intervals are convenient for protecting the outer side of the platform above the, the falling carelessly is avoided, meanwhile, the outer side of the flexible protection rod 1702 is made of rubber materials and is suitable for safety protection of children, and the movable plate 1704 at the bottom of the vertical rod 1701 is elastically connected with the telescopic spring 1705, so that a certain elastic movable space is formed, and the second telescopic rod 10 and the third telescopic rod 14 can be conveniently matched to lift;
In summary, the BIM-based mobile stair can be firstly modeled by using the BIM, and then manufactured, in the using process, the first handrail 11 and the second handrail 12 which are parallel to each other can be respectively suitable for adults and children, and then the first telescopic rod 9 and the second telescopic rod 10 can be used for lifting and adjusting the position heights of the first handrail 11 and the second handrail 12, in the process, the upper and lower movable connection between the outer sheath 1301 and the handrail 1302 is facilitated through the mutual matching between the projection 1303 and the movable groove 1304, so that the height of the guardrail mechanism 13 can be adjusted, thereby facilitating the lifting and the lowering of the first telescopic rod 9 and the second telescopic rod 10 to be matched, and meanwhile, the handrail is convenient for protecting the side plate 1302 of the stair body 4;
and can also adjust the position height of handrail frame 16 and safety protection mechanism 17 through second telescopic link 10 and the lift of third telescopic link 14, in this process, be elastic connection between fly leaf 1704 and the expanding spring 1705 of montant 1701 bottom, therefore concrete certain elastic activity space, thereby be convenient for cooperate the lift of second telescopic link 10 and third telescopic link 14, prevent weighing down the net 1703 that sets up between the downside of flexible protective bar 1702 and supporting member 2 and have tensile characteristic simultaneously, and prevent weighing down net 1703 and can improve children's security, the outside of flexible protective bar 1702 is the rubber material simultaneously, be applicable to children's safety protection, flexible protective bar 1702 through the equidistance sets up also can carry out safety protection to the platform department outside above supporting member 2, avoid carelessly falling, just so accomplish the use of whole removal stair based on BIM.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. Remove stair based on BIM, including base (1), stair main part (4) and safety protection mechanism (17), its characterized in that: the stair is characterized in that a supporting member (2) is fixed on the left side above the base (1), a cement column (3) is poured on the inner side of the supporting member (2), the stair body (4) is arranged on the right side above the base (1), the stair body (4) is fixedly connected with the supporting member (2), an outer baffle (5) is fixed on the outer side of the stair body (4), a supporting plate frame (6) is arranged below the stair body (4), a supporting rod (7) is fixed between the supporting plate frame (6) and the stair body (4), an outer barrier (8) is fixed on the outer side of the supporting plate frame (6), first telescopic rods (9) are installed on two sides of the bottom of the stair body (4), second telescopic rods (10) are installed on two sides of the upper portion of the stair body (4), a first handrail (11) and a second handrail (12) are sequentially installed between the first telescopic rods (9) and the second telescopic rods (10) from top to bottom, and the below of second handrail railing (12) is fixed with guardrail mechanism (13), third telescopic link (14) are installed to the top of supporting member (2), and downside and upside between third telescopic link (14) and second telescopic link (10) are connected with connecting rod (15) and handrail frame (16) respectively, safety protection mechanism (17) are installed in the below of handrail frame (16), the below both sides of base (1) are all installed and are removed wheel (18), and the below outside of base (1) is fixed with positioning mechanism (19).
2. The BIM-based mobile stairway as claimed in claim 1, wherein: the support rod (7) and the support plate frame (6) are in a vertical structure, and the support rods (7) are equidistantly arranged between the support plate frame (6) and the stair main body (4).
3. The BIM-based mobile stairway as claimed in claim 1, wherein: be parallel column structure between first handrail railing (11) and second handrail railing (12), and first handrail railing (11) and second handrail railing (12) all constitute elevation structure through first telescopic link (9) and second telescopic link (10).
4. The BIM-based mobile stairway as claimed in claim 1, wherein: guardrail mechanism (13) are including oversheath (1301), guardrail bar (1302), lug (1303) and activity groove (1304), the top of stair main part (4) is fixed with guardrail bar (1302), and the outer wall of guardrail bar (1302) is fixed with lug (1303), the top outside cover of guardrail bar (1302) is equipped with oversheath (1301), and the inner wall of oversheath (1301) is provided with activity groove (1304), the upper end of oversheath (1301) is fixed mutually with the downside of second handrail (12).
5. The BIM-based mobile stairway of claim 4, wherein: the symmetry center of the outer sheath (1301) coincides with the symmetry center of the guardrail rod (1302), and the guardrail rod (1302) forms a movable clamping structure through the protrusion (1303) and the movable groove (1304).
6. The BIM-based mobile stairway as claimed in claim 1, wherein: safety protection mechanism (17) are including montant (1701), flexible guard bar (1702), prevent weighing down net (1703), fly leaf (1704) and expanding spring (1705), the below of handrail frame (16) is fixed with montant (1701), and installs flexible guard bar (1702) between montant (1701), be provided with between the downside of flexible guard bar (1702) and supporting member (2) and prevent weighing down net (1703), the bottom of montant (1701) is connected with fly leaf (1704), and is provided with expanding spring (1705) between fly leaf (1704).
7. The BIM-based mobile stairway of claim 6, wherein: the flexible guard bars (1702) are equidistantly arranged between the vertical rods (1701), and the movable plate (1704) at the bottom of the vertical rod (1701) is elastically connected with the telescopic spring (1705).
8. The BIM-based mobile stairway as claimed in claim 1, wherein: positioning mechanism (19) is including mounting panel (1901), hydraulic stem (1902), bottom plate (1903) and wear-resisting bed course (1904), hydraulic stem (1902) are installed to the below of mounting panel (1901), and the bottom of hydraulic stem (1902) is fixed with bottom plate (1903), the lower side of bottom plate (1903) is glued and is connect wear-resisting bed course (1904).
9. The BIM-based mobile stairway of claim 8, wherein: the bottom plate (1903) and the wear-resistant cushion layer (1904) form a telescopic structure through the hydraulic rod (1902) and the mounting plate (1901), and the mounting plates (1901) are symmetrical about the vertical center line of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011088331.7A CN112878604B (en) | 2020-10-13 | 2020-10-13 | Mobile stair based on BIM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011088331.7A CN112878604B (en) | 2020-10-13 | 2020-10-13 | Mobile stair based on BIM |
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| Publication Number | Publication Date |
|---|---|
| CN112878604A true CN112878604A (en) | 2021-06-01 |
| CN112878604B CN112878604B (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011088331.7A Active CN112878604B (en) | 2020-10-13 | 2020-10-13 | Mobile stair based on BIM |
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| CN (1) | CN112878604B (en) |
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| FR2726021A1 (en) * | 1994-10-21 | 1996-04-26 | Moalic Alain | Hinged staircase for use between quays and floating landing stages |
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| CN206903096U (en) * | 2017-07-11 | 2018-01-19 | 青岛恒生源集团建设有限公司 | A kind of safe packaged type stair |
| CN207092595U (en) * | 2017-06-26 | 2018-03-13 | 广州市世博建筑工程有限公司 | A kind of construction building site stair |
| CN207144796U (en) * | 2017-07-20 | 2018-03-27 | 苏交科集团股份有限公司 | A kind of assembled stair for bridge machinery |
| CN108842978A (en) * | 2018-06-24 | 2018-11-20 | 李芹 | A kind of stair auxiliary conveying device |
| CN109505388A (en) * | 2019-01-11 | 2019-03-22 | 南京萃智水利科技有限公司 | Ease of assembly is convenient for adjusting the architectural stair and production and preparation method thereof of spacing |
| CN109680961A (en) * | 2018-12-28 | 2019-04-26 | 中民筑友科技投资有限公司 | Stair built-in fitting automatic generation method and device based on assembled architecture |
| CN110080539A (en) * | 2019-05-06 | 2019-08-02 | 山东飞越钢结构工程有限公司 | A kind of mobile dress building machine |
| CN110886440A (en) * | 2019-11-19 | 2020-03-17 | 北京定荣家科技有限公司 | Light steel sloping beam suspended stair |
| CN210508131U (en) * | 2019-06-24 | 2020-05-12 | 贵州正大金恩环保科技有限公司 | Wall type guardrail handrail |
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2020
- 2020-10-13 CN CN202011088331.7A patent/CN112878604B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2726021A1 (en) * | 1994-10-21 | 1996-04-26 | Moalic Alain | Hinged staircase for use between quays and floating landing stages |
| CN102619308A (en) * | 2012-03-06 | 2012-08-01 | 北京工业大学 | Reinforced concrete stair with local steel plate type sliding device on support |
| CA2844895A1 (en) * | 2014-03-05 | 2015-09-05 | Ottawa Hospital Research Institute | Adjustable staircase |
| CN206752898U (en) * | 2017-05-08 | 2017-12-15 | 刘显容 | A kind of high stair of children's adult general type security performance |
| CN207092595U (en) * | 2017-06-26 | 2018-03-13 | 广州市世博建筑工程有限公司 | A kind of construction building site stair |
| CN206903096U (en) * | 2017-07-11 | 2018-01-19 | 青岛恒生源集团建设有限公司 | A kind of safe packaged type stair |
| CN207144796U (en) * | 2017-07-20 | 2018-03-27 | 苏交科集团股份有限公司 | A kind of assembled stair for bridge machinery |
| CN108842978A (en) * | 2018-06-24 | 2018-11-20 | 李芹 | A kind of stair auxiliary conveying device |
| CN109680961A (en) * | 2018-12-28 | 2019-04-26 | 中民筑友科技投资有限公司 | Stair built-in fitting automatic generation method and device based on assembled architecture |
| CN109505388A (en) * | 2019-01-11 | 2019-03-22 | 南京萃智水利科技有限公司 | Ease of assembly is convenient for adjusting the architectural stair and production and preparation method thereof of spacing |
| CN110080539A (en) * | 2019-05-06 | 2019-08-02 | 山东飞越钢结构工程有限公司 | A kind of mobile dress building machine |
| CN210508131U (en) * | 2019-06-24 | 2020-05-12 | 贵州正大金恩环保科技有限公司 | Wall type guardrail handrail |
| CN110886440A (en) * | 2019-11-19 | 2020-03-17 | 北京定荣家科技有限公司 | Light steel sloping beam suspended stair |
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| Publication number | Publication date |
|---|---|
| CN112878604B (en) | 2022-04-26 |
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