CN106368396A - Telescopic stair ramp - Google Patents
Telescopic stair ramp Download PDFInfo
- Publication number
- CN106368396A CN106368396A CN201610814131.2A CN201610814131A CN106368396A CN 106368396 A CN106368396 A CN 106368396A CN 201610814131 A CN201610814131 A CN 201610814131A CN 106368396 A CN106368396 A CN 106368396A
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- CN
- China
- Prior art keywords
- plate
- back plate
- block
- guide rail
- stair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
Abstract
The invention discloses a telescopic stair ramp of a staircase cargo transportation device. A left step guide rail and a right step guide rail parallel to the left step guide rail are arranged on each stair. A base plate is fixedly connected between the two upper ends of the two step guide rails, and a base plate is fixedly connected between the two lower ends of the two step guide rails. Annular limiting frames are arranged on one sides of the base plates. Stepped transmission rods penetrate through the upper limiting frame and the lower limiting frame. A vertically arranged telescopic plate is arranged between the two step guide rails of each step. The upper end of each telescopic plate is connected with horizontal sections of the step guide rails through hinges. Each telescopic plate is connected with the corresponding transmission rod. One side of the topmost step and one side of the bottommost step of each stair are each provided with a control rod, the upper control rod is hinged to the lower control rod through a bracing rod, and the control rods are hinged to the transmission rods through connecting rods. During usage, the steps can be laid into the ramp for cargo transportation by pulling the control rods, the ramp can be folded and packed up when no cargo is transported, and people walking spaces of the stairs are not occupied.
Description
Technical field
The invention belongs to a kind of device of staircase cargo transport, the ramp specifically combining with stair, can feed wheel
Goods runs in staircase.
Background technology
Although it is very common with escalator that modern architecture housing-group is equipped with elevator, lower building in many is still had to live
The automatic loading facility of correlation is lacked so that the weight carrying in resident's daily life seems and bothers very much, such as luggage case in residence
On weight, manpower lift fortune when bicycle and other belt wheel means of transports are gone downstairs, can only be relied on, not only expend muscle power and shortage effect
Rate, therefore, the transporting heavy things problems demand of middle low-rise dwelling building solves.
The device of existing at present all kinds of staircase cargo transport is mostly using the various travelling bogies being applied to staircase
Or complete cargo transport to increasing all kinds of machineries such as electric device after the repacking of stair part, both add the manipulation complexity of transport
Stair need to be carried out with all kinds of larger repackings again, increase operating cost.
Chinese Patent Application No. proposes a kind of confession staircase cargo transport in the document for cn201510282158.7
Stair slope way, this ramp is combined with stair, both can also be available for the transport of belt wheel object with pedestrian；This stair slope way does not require the use of other
Instrument can be taken goods and run in staircase, and has the anti-skidding facility of correlation；But this stair slope way is only applicable to large-scale stair
With the place such as densely populated, it is not particularly suited for resident's stair of limited space.Chinese Patent Application No. is
The stair slope way proposing in the document of cn201120207116.4, is a kind of ramp on stairway step for bedding, for loading
Car carries Weight upstairs climbing makes carrier transport on ramp, though this stair slope way is not reequiped stair and provided for dolly and weight
The ramp of transport, but this stair slope way occupies stair area so that originally supplying the stair space of people's walking to reduce, and reduces building
The utilization rate of ladder.Chinese Patent Application No. proposes a kind of portable folding stair in the document for cn201120124799.7,
This extension type stair launches to be laid on stair for stretcher with stair activities such as wheelchairs although not accounting for using folding support plate
With the use space of stair, but each need to first be laid manually when using, need after use artificially to withdraw, increased use not
Just.
Content of the invention
The purpose of the present invention is for solving the problems, such as existing stair slope way, proposing a kind of extension type stair slope way,
During use, the step of stair is laid in ramp and supplies cargo transport, Foldable when idle, it is not take up the use space of stair,
It is applied to resident's stair of limited space.
The technical scheme that a kind of present invention extension type stair slope way provides is: every floor ladder be provided with two mutually flat
Row, each ladder guide rail in left and right, are respectively fixedly connected with one between two upper ends of two ladder guide rails and two lower ends between
Block backing plate, backing plate has the limitting casing of ring-type for side, and stair-stepping drive link is each passed through spacing on upper and lower two pieces of backing plates
Frame, drive link upper end is fixedly connected an eave tile raising up, and is provided with one piece between two ladder guide rails of every grade of step
Vertically arranged expansion plate, every piece of expansion plate upper end passes through the horizontal segment of gemel connection ladder guide rail respectively, and every piece of expansion plate is equal
Connect corresponding drive link, one control bar is respectively set in the upper level of every floor ladder and next stage step side, up and down
Pass through a pull bar hinged, control bar passes through rod hinge connection drive link, drive drive link and expansion plate edge between two control bars
The horizontal segment of ladder guide rail moves forward and backward, and expansion plate rotates around hinge while mobile.
Further, every piece of expansion plate is combined successively from front to back by header board, middle plate and back plate, header board, middle plate
Concordant with the upper surface of back plate and the horizontal segment upper surface of ladder guide rail, the lower surface of middle plate is lower than the lower surface of header board, back plate
Lower surface lower than the lower surface of middle plate, the upper end of header board is passed through to connect described hinge, and middle plate can glide along along the rib of header board
Dynamic, in back plate energy edge, plate slides up and down, and the lower end left and right sides of back plate is respectively provided with two horizontal segments being supported on ladder guide rail
Back plate castor, arranges about the central shaft of back plate castor, the horizontal segment of each drive link and the junction of vertical section are equipped with tape spool
Castor, tape spool castor centrally through the coaxially connected described back plate castor of major axis, the top of every floor and the major axis of bottom
Each hinged connecting rod lower end, the hinged corresponding control bar of small end.
The invention has the beneficial effects as follows:
1st, the present invention is arranged on the ladder of stair, drives stretching, extension and the contraction of expansion plate using manpower, controls the work in ramp
State, can feed wheel goods run in staircase.Repacking to staircase is less, no the actuation mechanism such as motor, simultaneously without
The associated components such as controller, reduce Operating Complexity and cost, have the simple advantage of structure.
2nd, the present invention adopts expansion plate load-bearing and linkage to control ramp to stretch, and transports stair with respect to general ramp,
The present invention pulls when using control bar the step of stair can be laid in ramp and supplies cargo transport, can in no cargo transport
Folding is packed up, and is not take up the People's Bank of China space of stair, increased function and the utilization rate of stair.
3rd, the present invention is fixed on stair, need not frequently carry transfer, saves manpower and improves conevying efficiency, has structure
Simply, simple operation and the advantages of practical function.
Brief description
Fig. 1 is the mounting structure axonometric drawing of a kind of extension type stair slope way and stair；
Fig. 2 is the structural representation of backing plate 1, ladder guide rail 2 and drive link 10 in Fig. 1；
Fig. 3 is the schematic view of the mounting position of expansion plate 4 in Fig. 1；
Fig. 4 is for forming the header board 5 of expansion plate 4 on the basis of Fig. 3, middle plate 6 is amplified with the structure after the biopsy cavity marker devices decomposition of back plate 7
Schematic diagram；
Fig. 5 is the backsight axonometric drawing of Fig. 4；
Fig. 6 is the structural representation on the basis of Fig. 3 by the hypomere sectional horizontal of expansion plate 4 and after assembling；
Fig. 7 is Fig. 6 backsight axonometric drawing；
Fig. 8 is the structure enlarged diagram of control bar 12 and its through transport part in Fig. 1；
Fig. 9 is that enlarged drawing surveyed by the right optical axis in local after expansion plate 4 stretching, extension on the basis of Fig. 1；
Figure 10 is the structural representation with middle plate 6 after back plate 7 slide downward on the basis of Fig. 7；
Figure 11 is the structural representation with header board 5 after middle plate 6 slide downward on the basis of Fig. 7；
Figure 12 is for pulling the structural representation after control bar 13 on the basis of Fig. 8；
Figure 13 is the ramp effect diagram on the basis of Fig. 1.
In figure: 1. backing plate；2. ladder guide rail；3. limitting casing；4. expansion plate；5. header board；5a. rib；5b. header board block；
6. middle plate；6a. groove；Block on plate in 6b.；Block under plate in 6c.；7. back plate；Block in 7a. back plate；7b. back plate lower block
Block；8. hinge；9. back plate castor；10. drive link；10a. eave tile；10b. major axis；11. pull bars；12. connecting rods；13. control bars；
14. tape spool castors；15. key seats.
Specific embodiment
In order to make it easy to understand, regulation dimensional orientation: referring to the first floor ladder shown in Fig. 1, in conjunction with stair tendency, to control
Bar 13 upper end position be " on ", control bar 13 lower end position be D score；With pull bar 11 position for " right ", pull bar
Ladder guide rail 2 position on 11 opposites is " left ", and with expansion plate 4 position for " front ", the vertical fragment position of stair is
" afterwards ".
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of present invention extension type stair slope way forms main body by backing plate 1 and ladder guide rail 2
Support, main body rack primarily serves the effect supporting with positioning.The each fixation of fixing bolt is passed through on the flat surface of every floor ladder
One piece of backing plate 1, backing plate 1 is close in the flat surface of every floor ladder.Ladder guide rail 2 is the stalloy of stairstepping, its step number
Corresponding with the step of the every floor ladder installed, every floor ladder is above provided with two ladder guide rails 2 in left and right side by side, and that is, left and right is each
One, and be parallel to each other, ladder guide rail 2 is connected by continuous horizontal segment and vertical section and forms, and the horizontal segment of ladder guide rail 2 is close to
On step horizontal surface, the vertical section of ladder guide rail 2 is close in step vertical surface, on two of two ladder guide rails 2
Respectively one piece of backing plate 1 is fixedly connected by screw respectively and two lower ends between end, backing plate 1 is formed with the spacing of ring-type for side
The square plate of frame 3, limitting casing 3 is in the handrail of ladder or wall side.
The installation of ladder guide rail 2 is not required to stair face is transformed, and does not affect stair and normally use, and can install thereon and stretch
Contracting plate 4 simultaneously supports the pressure that expansion plate 4 born.
In backing plate 1 and ladder guide rail 2 right side setting drive link 10, drive link 10 is also as the structure of ladder guide rail 2
Stairstepping, its step number is identical with ladder guide rail 2, but section is hollow, is the ladder drive link that mouthful word steel is made.Transmission
The upper and lower ends of bar 10 are each passed through the limitting casing 3 on upper and lower two pieces of backing plates 1.Under the restriction effect of limitting casing 3, drive link
10 can only along the horizontal segment forward slip of ladder guide rail 2 no other one-movement-freedom-degrees.It is fixedly connected in the upper end of drive link 10
The eave tile 10a that one raises up, eave tile 10a play position-limiting action, make the drive link 10 can only be along limitting casing 3 forward slip one spacing
From.
Between two ladder guide rails 2, vertically arranged flexible in one piece of the perpendicular steps face installed in front of every grade of step
Plate 4, the quantity of expansion plate 4 is identical with numbers of steps, i.e. each installation one on front side of the perpendicular steps face of every grade of step of every floor ladder
Block expansion plate 4.Referring to Fig. 3, the upper surface of every piece of expansion plate 4 is concordant with the horizontal segment upper surface of corresponding ladder guide rail 2, every piece
Expansion plate 4 upper end is arranged on by hinge 8 on the horizontal segment of corresponding ladder guide rail 2 respectively, and expansion plate 4 can rotate around hinge 8.
Every piece of expansion plate 4 is fixedly connected with corresponding drive link 10, when drive link 10 moves forward and backward along the horizontal segment of ladder guide rail 2,
Just drive expansion plate 4 to move, expansion plate 4 rotates around hinge 8 while mobile, realize stretching and contraction.
One control bar 13 is respectively set in the upper level of every floor ladder and next stage step side, control bar 13 is installed
Press close to the side of handrail or wall in staircase, be not take up the People's Bank of China space of stair as far as possible.The lower end of control bar 13 connects key seat
15.Hinged by a straight pull bar 11 between upper and lower two control bars 13, control bar 13 passes through the hinged drive link 10 of connecting rod 12.
Operational control bar 13, drivening rod 12 and drive link 10, control expansion plate 4 to be stretched and shrink.
Referring to Fig. 4,5,6,7, expansion plate 4 structure is as follows: every piece of expansion plate 4 by header board 5, middle plate 6 and back plate 7 successively by
Front to back combination is assembled, header board 5, middle plate 6 and back plate 7 each parallel to the vertical section of ladder guide rail 2, positioned at vertical stand terrace
Front side, vertical with horizontal stand terrace.Header board 5, middle plate 6 are put down with the upper surface of back plate 7 and the horizontal segment upper surface of ladder guide rail 2
Together.The lower surface of middle plate 6 is lower than the lower surface of header board 5, and the lower end of middle plate 6 extends downwardly from header board 5 one segment distance.Under back plate 7
End face is lower than the lower surface of middle plate 6, and back plate 7 lower end extends downwardly from middle plate 6 one segment distance.
Respectively pass through on the ladder rib of horizontal segment that a hinge 8 is fixed on ladder guide rail 2 about the upper end of header board 5, header board 5
Upper end can rotate around hinge 8.It is respectively provided with the rib 5a rearward protruding in the left and right sides of header board 5, in the left and right sides of middle plate 6
End is respectively provided with groove 6a, and groove 6a is matched with rib 5a, and rib 5a is stuck in groove 6a with a gap, enables middle plate 6 along front
The rib 5a of plate 5 slides up and down.Outside plate block 5b is arranged on the rib 5a hypomere of header board 5, in the groove 6a upper end setting of middle plate
Block 6b on plate, block 6c under plate in the setting of the hypomere position of groove 6a.Central plate 6 is along header board 5 slide downward one segment distance
Afterwards, on middle plate, block 6b is contacted with outside plate block 5b, is limited by outside plate block 5b, and in restriction, plate 6 continues slide downward and abjection,
Middle plate 6 is made to rest on lower position.
Back plate 7 can slide up and down between the groove 6a of the left and right of middle plate 6 two, and the lower end left and right sides of back plate 7 is respectively provided with
Two back plate castors 9, back plate castor 9 is supported on the horizontal segment of ladder guide rail 2, and back plate castor 9 supports the weight of inner panel 7, after
Arrange about the central shaft of plate castor 9, back plate castor 9 can be along the horizontal segment scroll forward and backward of ladder guide rail 2.The left and right sides of back plate 7
The upper end of plate respectively arranges block 7a in one piece of back plate, and the hypomere of left side plate respectively arranges block 7b under one piece of back plate, back plate lower block
Block 7b has supporting role, is supported on the lower section of block 6c under middle plate.After back plate 7 slide downward one segment distance, back plate is kept off
Block 7a plays position-limiting action, and in back plate, block 7a is contacted with block 6c under middle plate, and back plate 7 can be stoped therefrom to skid off in plate 6.
Referring to Fig. 8 and Fig. 1, during original state, every piece of expansion plate 4, all in contraction state, is vertically close to ladder guide rail 2
Vertical section, top by two hinges 8, header board 5 is secured transverse on the ladder rib of ladder guide rail 2, and middle plate 6 is by back plate 7 upwards
Support and be condensed and be arranged in header board 5, inner panel 7 is supported by castor 9, expansion plate 4 is in the space taking stair during contraction state
Less, do not affect the normal use of stair.
In each turning lower end of drive link 10, tape spool castor 14 is installed, that is, castor 14 is arranged on the level of drive link 10
In the hollow groove of junction of section and vertical section, arrange about the central shaft of tape spool castor 14, drive link 10 can be supported in building
Slide anteroposterior on ladder.The center of each tape spool castor 14 is all connected with a major axis 10b, is stretched out by major axis 10b, major axis 10b with
Back plate castor 9 in back plate 7 is co-axially mounted.The centerline collineation of tape spool castor 14, major axis 10b and back plate castor 9 three.Every layer
Each hinged connecting rod 12 lower end of major axis 10b of the top in building and bottom, the hinged corresponding control bar 13 in connecting rod 12 upper end.
Control bar 13 is upper end rod member with handles, the hinged key seat in control bar 13 lower end 15, and key seat 15 is fixed on stair.
Two ends carry the pull bar 11 of bearing pin respectively with the shaft of upper and lower control bar 13 in the middle part of hinged, two control bars 13 pass through pull bar 11 even
Connect and can mutually pull.During original state, two control bars 13 are vertically mounted, and pull bar 11 is mounted obliquely within from top to bottom
Between upper and lower two control bars 13, what connecting rod 12 tilted is connected between control bar 13 and drive link 10.
During referring to Fig. 1, no cargo transport, device is in original state, and now expansion plate 4 shrinks and to be close to stair vertical
Wall, does not affect the normal use of stairway step, normally walks for resident.When need carry out cargo transport, pull control bar by people
13 upper end handles, drive pull bar 11 and connecting rod 12 by control bar 13, thus pulling drive link 10, are driven by drive link 10 further
Expansion plate 4 is stretched to ramp and covers staircase step, so that goods is transported on ramp.
Referring to Fig. 9, goods upstairs when, pull downward on underlying control bar 13, the control bar 13 of lower section further to
Front pulling pull bar 11, makes pull bar 11 drive the control bar 13 on top to rotate forward simultaneously, upper and lower two control bars 13 each around
The key seat 15 of its underpart is synchronous to be rotated forward.Drivening rod 12 when control bar 13 rotates forward while around major axis 10b rotate,
Drive link 10 is pulled to move forward.Bottom and the back plate foot of back plate 7 when drive link 10 moves forward, is driven by major axis 10b
Wheel 9 travels forward.
Referring to Figure 10, when the bottom under tension of back plate 7 travels forward, band disorder of internal organs plate 6 moves, and drives header board 5
Rotate forward around hinge 8, the groove 6a along middle plate 6 skids off downwards.When back plate 7 slides into block 7a and middle plate on inner panel
When under 6 middle plate, block 6c offsets, back plate 7 no longer produces relative slip with middle plate 6, and then begins through on the inner panel contacting
Block 7a and the common slide downward of plate 6 in block 6c pulling under middle plate.
Referring to Figure 11, Figure 12, middle plate 6 skids off downwards along the rib 5a of header board 5, until middle plate 6 upper end middle plate on block 6b with
When the header board block 5b of header board 5 offsets, middle plate 6 stopping is slided, and now back plate 7, middle plate 6 stop sliding and around hinge 8 with header board 5
Rotation, three is in the state of stretching, extension.Now the back plate castor 9 of back plate 7 bottom on every layer of ladder is firm on ladder guide rail 2
Sports-like to step edge, and drive link 10 just move forward to its rear end eave tile 10a hook limitting casing 3 and stop move
Dynamic, no longer it is pulled along back plate 7, device integrally keeps stable extended configuration.
Referring to Figure 13, when the expansion plate 4 on every layer of ladder is in extended configuration, covers the step of stair, make covering
Step is changed into coherent ramp, facilitates belt wheel goods to transport on ramp.When goods upstairs after pull top control bar 13 make
Each part reverts original state of device, ramp is just retracted into contraction state and exposes the ladder of corridor for pedestrian's walking.
Claims (5)
1. a kind of extension type stair slope way, every floor ladder be provided with two be parallel to each other, each ladder guide rail (2) in left and right,
It is respectively fixedly connected with one piece of backing plate (1) between two upper ends of two ladder guide rails (2) and two lower ends between, it is characterized in that:
Backing plate (1) has the limitting casing (3) of ring-type for side, and stair-stepping drive link (10) is each passed through on upper and lower two pieces of backing plates (1)
Limitting casing (3), drive link (10) upper end is fixedly connected an eave tile raising up (10a), in two ladders of every grade of step
It is provided with one piece of vertically arranged expansion plate (4), every piece of expansion plate (4) upper end connects rank by hinge (8) respectively between guide rail (2)
The horizontal segment of terraced guide rail (2), every piece of expansion plate (4) is all connected with corresponding drive link (10), every floor ladder upper level and
Next stage step side respectively arranges a control bar (13), passes through pull bar (11) hinge between upper and lower two control bars (13)
Connect, control bar (13) passes through the hinged drive link of connecting rod (12) (10), drive drive link (10) and expansion plate (4) along ladder guide rail
(2) horizontal segment moves forward and backward, and expansion plate (4) rotates around hinge (8) while mobile.
2. a kind of extension type stair slope way according to claim 1, is characterized in that: every piece of expansion plate (4) is by header board
(5), middle plate (6) and back plate (7) combine successively from front to back, the upper surface of header board (5), middle plate (6) and back plate (7) and rank
The horizontal segment upper surface of terraced guide rail (2) is concordant, and the lower surface of middle plate (6) is lower than the lower surface of header board (5), the lower end of back plate (7)
In the ratio of face, the lower surface of plate (6) is low, and the upper end of header board (5) is passed through to connect described hinge (8), and middle plate (6) can be along the rib of header board (5)
Bar (5a) slides up and down, and in back plate (7) energy edge, plate (6) slides up and down, and the lower end left and right sides of back plate (7) is respectively provided with two and is supported on
Back plate castor (9) on the horizontal segment of ladder guide rail (2), arranges about the central shaft of back plate castor (9), each drive link (10)
Horizontal segment and vertical section junction equipped with tape spool castor (14), tape spool castor (14) coaxial centrally through major axis (10b)
Connect described back plate castor (9), each hinged connecting rod (12) lower end of major axis (10b) of the top of every floor and bottom,
The hinged corresponding control bar 13 in connecting rod (12) upper end.
3. a kind of extension type stair slope way according to claim 1, is characterized in that: the left and right sides of header board (5) is respectively provided with
The rib (5a) rearward protruding, the left and right sides of middle plate (6) is respectively provided with groove (6a), and rib (5a) is stuck in groove with a gap
(6a) in, setting outside plate block (5b) on rib (5a) hypomere, block (6b) on plate in the setting of groove (6a) upper end, groove (6a)
The setting of hypomere position in block (6c) under plate；Along rib (5a) slide downward, on middle plate, block (6b) is kept off middle plate (6) by outside plate
Block (5b) is limited.
4. a kind of extension type stair slope way according to claim 3, is characterized in that: back plate 7 can be in the left and right two of middle plate (6)
Slide up and down between individual groove (6a), in one piece of back plate of each setting in upper end of the left side plate of back plate (7), block (7a), hypomere are each
Block (7b) under one piece of back plate of setting, under back plate, block (7b) is supported on the lower section of block (6c) under middle plate, when back plate (7) is downward
Slide, in back plate, block (7a) contacts with block (6c) under middle plate, prevention back plate (7) therefrom skids off in plate (6).
5. a kind of extension type stair slope way according to claim 1, is characterized in that: the upper end of control bar (13) is with handles,
The hinged key seat in lower end (15), key seat (15) is fixedly installed on stair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814131.2A CN106368396B (en) | 2016-09-12 | 2016-09-12 | A kind of extension type stair slope way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610814131.2A CN106368396B (en) | 2016-09-12 | 2016-09-12 | A kind of extension type stair slope way |
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| Publication Number | Publication Date |
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| CN106368396A true CN106368396A (en) | 2017-02-01 |
| CN106368396B CN106368396B (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610814131.2A Expired - Fee Related CN106368396B (en) | 2016-09-12 | 2016-09-12 | A kind of extension type stair slope way |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110150916A (en) * | 2019-06-11 | 2019-08-23 | 马宏波 | A kind of double-deck exhibition position device of folding easy to remove |
| CN111395671A (en) * | 2020-04-26 | 2020-07-10 | 徐祥怀 | Novel stair structure |
| CN112282230A (en) * | 2020-11-25 | 2021-01-29 | 东北大学 | Step-shaped pedestrian step ladder and carrying ramp conversion device and use method |
| CN112458887A (en) * | 2020-12-18 | 2021-03-09 | 南南铝工程有限责任公司 | Aluminum alloy pedestrian overpass ladder way connection structure |
| CN113027054A (en) * | 2021-03-22 | 2021-06-25 | 浙江宏超建设集团有限公司 | Assembled stair structure and construction method thereof |
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| CN104100054A (en) * | 2013-04-12 | 2014-10-15 | 李欣迪 | Movable stair slope |
| CN203383426U (en) * | 2013-08-06 | 2014-01-08 | 茅永夫 | Turnover stairway step |
| CN204096843U (en) * | 2014-09-03 | 2015-01-14 | 安徽工程大学 | A kind of auxiliary building climbing equipment |
| CN205222391U (en) * | 2015-12-07 | 2016-05-11 | 重庆能源职业学院 | Hauler carrier is used in elevator installation |
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| CN110150916A (en) * | 2019-06-11 | 2019-08-23 | 马宏波 | A kind of double-deck exhibition position device of folding easy to remove |
| CN111395671A (en) * | 2020-04-26 | 2020-07-10 | 徐祥怀 | Novel stair structure |
| CN111395671B (en) * | 2020-04-26 | 2021-09-10 | 浏阳市名府木艺有限公司 | Novel stair structure |
| CN112282230A (en) * | 2020-11-25 | 2021-01-29 | 东北大学 | Step-shaped pedestrian step ladder and carrying ramp conversion device and use method |
| CN112282230B (en) * | 2020-11-25 | 2022-03-01 | 东北大学 | Step-shaped pedestrian step ladder and carrying ramp conversion device and use method |
| CN112458887A (en) * | 2020-12-18 | 2021-03-09 | 南南铝工程有限责任公司 | Aluminum alloy pedestrian overpass ladder way connection structure |
| CN113027054A (en) * | 2021-03-22 | 2021-06-25 | 浙江宏超建设集团有限公司 | Assembled stair structure and construction method thereof |
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| CN106368396B (en) | 2018-11-06 |
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