CN209369702U - The flexible equivalent fence ladder of one kind - Google Patents
The flexible equivalent fence ladder of one kind Download PDFInfo
- Publication number
- CN209369702U CN209369702U CN201821920686.6U CN201821920686U CN209369702U CN 209369702 U CN209369702 U CN 209369702U CN 201821920686 U CN201821920686 U CN 201821920686U CN 209369702 U CN209369702 U CN 209369702U
- Authority
- CN
- China
- Prior art keywords
- ladder
- ladder bars
- bars
- telescopic leg
- railing
- 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.)
- Active
Links
Landscapes
- Ladders (AREA)
Abstract
The utility model discloses the flexible equivalent fence ladders of one kind, have and open and convert into two working conditions, the flexible equivalent rail mechanism that is successively set on double ladder including double ladder and from top to bottom, workbench, telescopic leg and fold castor；Double ladder include two the first ladder bars, two the second ladder bars and it is multiple be separately positioned on marking time between two the second ladder bars between two the first ladder bars, the first ladder bars top is provided with the attachment base hinged with the second ladder bars；Workbench is arranged between two the first ladder bars and two the second ladder bars, and equivalent rail mechanism of stretching is arranged above workbench；The lower part of two the first ladder bars and two the second ladder bars plugs the telescopic leg of an adjustable length, folds castor and is arranged in telescopic leg.Main railing, secondary railing, handrail and cross handle door are made by way of telescopic folding folds and integrally link by the utility model flexible equivalent rail mechanism, allow whole ladder to fold foldings, convenient for storage and carrying.
Description
Technical field
The utility model relates to ladder technical field, in particular to a kind of flexible equivalent fence ladder.
Background technique
Fence ladder is commonly used in high altitude operation, and the platform of fence ladder top can stand for people, but existing platform is anti-
Shield property is poor, often will appear operator when taking article gravity center instability due to shake or even fall and cause showing for safety accident
As safety is not generally high；In addition, the fence and ladder bars on existing fence ladder platform are fixed in the dust, double ladder is caused to fold
Inconvenience, while the fence inconvenience ladder storage that can not be folded and carrying, operating efficiency are low.
Utility model content
The technical issues of the utility model solves is to provide a kind of flexible folding for above-mentioned defect existing in the prior art
Column ladder is surrounded, to solve the problems mentioned in the above background technology.
To solve above-mentioned technical problem, the technical solution that the utility model is taken is as follows: the flexible equivalent fence ladder of one kind, tool
There is opening and convert into two working conditions, including double ladder and is successively set on stretching on double ladder from top to bottom and converts into and enclose
Column mechanism, workbench, telescopic leg and folding castor；The double ladder include two the first ladder bars, two the second ladder bars and
Multiple to be separately positioned on marking time between two the second ladder bars between two the first ladder bars, first ladder bars top is provided with
The hinged attachment base with the second ladder bars；The workbench is arranged between two the first ladder bars and two the second ladder bars, described
Flexible equivalent rail mechanism is arranged above workbench；The lower part of described two first ladder bars and two the second ladder bars plugs
The telescopic leg of one adjustable length, the folding castor are arranged in telescopic leg.
It is further described as to above-mentioned technical proposal:
In the above-mentioned technical solutions, the flexible equivalent rail mechanism includes main railing, secondary railing, handrail and cross handle
The top of door, the main railing and two the first ladder bars is rotatablely connected, and a handrail is respectively arranged in the both ends of the main railing, described
Cross handle door is arranged between two handrails, is provided with casing in the middle part of first ladder bars, the handrail is vertically arranged in master
Between railing and casing, the upper end of the handrail and main railing are pivotally connected, and the lower end of the handrail is provided in opening state
The jump pearl spring affixed with casing, the lower end of the handrail is in folded position along cannula slide；The secondary railing is located at main column
Below bar, the both ends of the secondary railing are pivotally connected with the attachment base of two the first ladder bars respectively, and the main railing is provided with drive time
The connecting band of railing rotation, the both ends of the connecting band are separately fixed on main railing and time railing.
In the above-mentioned technical solutions, the both ends of the cross handle door are respectively arranged with rotary damper and inverted u-shaped snap ring, institute
It states rotary damper and snap ring is separately positioned in two handrails, one end of the cross handle door and rotary damper are pivotally connected, institute
The other end clamping of cross handle door is stated in snap ring, the strip that restricted cross handle door is not fallen off is set at the bayonet of the snap ring；Institute
It states and is provided with articles holding table above snap ring.
In the above-mentioned technical solutions, the workbench includes the support plate stood for people, the first ladder bars of locking and the second ladder
Limiter, cushion block and the grab of bar opening state, the support plate are articulated between two the first ladder bars, and the cushion block setting exists
The lower end of support plate, the cushion block are resisted against on two the second ladder bars top layers mark time in opening state, and the one of the limiter
End and the pivot joint of marking time, the other end of the limiter is flexibly connected with the side wall of support plate, the limiter with support plate
The position of connection, which is opened, is formed with a L font hole.
In the above-mentioned technical solutions, mounting shell is provided in first ladder bars and the second ladder bars；In the mounting shell
It is provided with the locking assembly of positioning telescopic leg, the locking assembly includes locking bed and torsional spring, is provided in the middle part of the locking bed
The axis connecting with mounting shell, the torsional spring are set on axis, and the locking bed is respectively arranged with handle and locking in the two sides of axis
Column, at least two location holes are provided in the telescopic leg, and the locking post plugs in wherein a positioning hole with fixed flexible
Foot.
In the above-mentioned technical solutions, it is provided with sliding slot in first ladder bars and the second ladder bars, the telescopic leg plugs
In sliding slot, the sliding slot inner wall is inwardly equipped with raised line, opens on the outer wall of the telescopic leg and is formed with lead corresponding with raised line
Slot, the guide groove are clamped to limit telescopic leg and only move along the length direction of ladder bars with raised line.
In the above-mentioned technical solutions, the upper end of the telescopic leg is provided with limited block, and the lower end of the telescopic leg is arranged with
Skid-proof rubber foot.
In the above-mentioned technical solutions, the folding castor include the mounting rack being arranged between telescopic leg and skid-proof rubber foot,
Foldable base, spring and pulley, the shaft with mounting rack rotation connection is provided in the foldable base, and the spring is set in shaft
One end, the shaft is being provided with annular nib close to one end of spring, and the both ends of the spring are born against in mounting rack
On inner wall and chimb, U-shaped mounting portion is provided in the foldable base, the pulley is arranged in U-shaped mounting portion.
In the above-mentioned technical solutions, the length of first ladder bars is greater than the length of the second ladder bars.
In the above-mentioned technical solutions, the top of first ladder bars is provided with tool rack, and the tool rack is fixed on sliding slot
Inner wall on.
Compared with prior art, the utility model has the beneficial effects that: the utility model passes through flexible equivalent fencing machine
Main railing, secondary railing, handrail and cross handle door are made into telescopic folding and fold the form integrally to link by structure, and whole ladder is received
It closes and folds, convenient for storage and carry；Self-locking cross handle door operation is convenient, does not loosen after shutting by the way that strip is self-locking, passes through after opening
Rotary damper slowly falls down to certain position and is automatically stopped, and will not pound people, and rotary damper sets the angle of switch gate
Switch gate range in 90 ° is set, improper go beyond the scope of switch gate is prevented and accident occurs；It is opened in ladder to using by limiter
Ladder is lockked when state, is guaranteed using safe；It can be with folding ladder after unlocking；The big workbench of 400x520mm, makes work people
Member stands more comfortable safer；Telescopically adjustable telescopic leg makes ladder adjust appropriate height according to requirements, and (250mm is adjusted
Range), it is equally applicable on rugged ground or on gradin；Improve the practicability of ladder；Skid-proof rubber foot has anti-
Sliding effect, fits in ladder on ground securely；By folding castor, castor will be folded and opened, the movement of ladder is convenient for remove
Fortune, convenient for storage after folding；Screwdriver is temporarily inserted for staff by tool rack, improves practicability.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model opening state；
Fig. 2 is one of locking assembly enlarged structure schematic diagram；
Fig. 3 is the two of locking assembly enlarged structure schematic diagram；
Fig. 4 is to fold castor opening state structural schematic diagram；
Fig. 5 is the side structure schematic view of the utility model opening state；
Fig. 6 is the schematic perspective view of the utility model folded position；
Fig. 7 is the positive structure diagram of the utility model folded position.
In figure: 11, main railing；12, connecting band；13, secondary railing；14, handrail；15, pearl spring is jumped；2, cross handle door；21,
Rotary damper；22, articles holding table；23, snap ring；24, strip；3, support plate；31, cushion block；32, limiter；33, L font hole；4,
Pulley；41, foldable base；42, mounting portion；43, chimb；44, shaft；45, spring；46, mounting rack；5, telescopic leg；51, guide groove；
52, location hole；53, skid-proof rubber foot；54, limited block；61, handle；62, axis；63, locking post；64, locking bed；65, torsional spring；
100, the first ladder bars；101, it marks time；102, tool rack；103, attachment base；104, casing；106, mounting shell；200, the second ladder bars.
Specific embodiment
1 the utility model is described in further detail to attached drawing 7 with reference to the accompanying drawing.
It is exemplary by reference to the embodiment that attached drawing describes, it is intended to for explaining the application, and should not be understood as pair
The limitation of the application.In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ",
" width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the application and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second "
It is used for description purposes only, is not understood to indicate or imply relative importance or implicitly indicates indicated technical characteristic
Quantity.Thus, define " first ", the feature of " second " can explicitly or implicitly include one or more spy
Sign.In the description of the present application, " several ", the meaning of " plurality " is two or more, unless otherwise clearly specific
It limits.Unless otherwise clearly defined and limited, in this application, the arts such as term " installation ", " connected ", " connection ", " fixation "
Language shall be understood in a broad sense, such as, it may be a fixed connection, may be a detachable connection, or be integrally connected；It can be machinery
Connection, is also possible to be electrically connected；It can be directly connected, two elements can also be can be indirectly connected through an intermediary
Internal connection.For the ordinary skill in the art, above-mentioned term can be understood in the application as the case may be
In concrete meaning.Unless otherwise clearly defined and limited, in this application, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.And fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign includes fisrt feature right above second feature and oblique upper under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
As shown in figs. 1-7, a kind of flexible equivalent fence ladder, has and opens and convert into two working conditions, including double ladder
And it is successively set on flexible equivalent rail mechanism, workbench, telescopic leg 5 and folding castor on double ladder from top to bottom；
Double ladder include two the first ladder bars, 100, two the second ladder bars 200 and it is multiple be separately positioned on two the first ladder bars 100 it
Between mark time 101 between two the second ladder bars 200,100 top of the first ladder bars is provided with the connection hinged with the second ladder bars 200
Seat 103；Workbench is arranged between two the first ladder bars 100 and two the second ladder bars 200, equivalent rail mechanism setting of stretching
Above workbench；The lower part of two the first ladder bars 100 and two the second ladder bars 200 plugs the flexible of an adjustable length
Foot 5 folds castor and is arranged in telescopic leg 5.
Flexible equivalent rail mechanism includes main railing 11, secondary railing 13, handrail 14 and cross handle door 2, main railing 11 and two
The top of a first ladder bars 100 is rotatablely connected, and a handrail 14 is respectively arranged in the both ends of main railing 11, and cross handle door 2 is arranged at two
Between handrail 14, casing 104 is provided in the middle part of the first ladder bars 100, handrail 14 is vertically arranged in main railing 11 and casing 104
Between, the upper end of handrail 14 and main railing 11 are pivotally connected, and the lower end of handrail 14 is provided with affixed in opening state and casing 104
Jump pearl spring 15, the lower end of handrail 14 is slided in folded position along casing 104；Secondary railing 13 is located at main 11 lower section of railing,
The both ends of secondary railing 13 are pivotally connected with the attachment base 103 of two the first ladder bars 100 respectively, and main railing 11 is provided with drive time railing 13
The connecting band 12 of rotation, the both ends of connecting band 12 are separately fixed on main railing 11 and time railing 13.
The both ends of cross handle door 2 are respectively arranged with rotary damper 21 and inverted u-shaped snap ring 23, rotary damper 21 and snap ring
23 are separately positioned in two handrails 14, and one end of cross handle door 2 and rotary damper 21 are pivotally connected, the other end card of cross handle door 2
The strip 24 for connecing and restricted cross handle door 2 in snap ring 23, is set at the bayonet of snap ring 23 not falling off；It is provided with and sets above snap ring 23
Object platform 22.
Workbench includes the support plate 3 stood for people, the limit for locking the first ladder bars 100 and 200 opening state of the second ladder bars
Position device 32, cushion block 31 and grab 34, support plate 3 are articulated between two the first ladder bars 100, and support plate 3 is arranged in cushion block 31
Lower end, cushion block 31 are resisted against two 200 top layers of the second ladder bars in opening state and mark time on 101, one end of limiter 32 with should
It marks time 101 pivot joints, the other end of limiter 32 is flexibly connected with the side wall of support plate 3, and limiter 32 is being connect with support plate 3
Position, which is opened, is formed with a L font hole 33.
Mounting shell 106 is provided in first ladder bars 100 and the second ladder bars 200；It is flexible that positioning is provided in mounting shell 106
The locking assembly of foot 5, locking assembly include locking bed 64 and torsional spring 65, are provided in the middle part of locking bed 64 and connect with mounting shell 106
Axis 62, torsional spring 65 is set on axis 62, and locking bed 64 is respectively arranged with handle 61 and locking post 63 in the two sides of axis 62, stretches
At least two location holes 52 are provided on foot 5, locking post 63 plugs in wherein a positioning hole 52 to fix telescopic leg 5.With axis
62 centers control the rotation of locking post 63 by handle 61, and the both ends of torsional spring 65 are born against in 106 inner wall of mounting shell and locking
On the inner wall of seat 64, so that locking post 63 can be stable is caught in location hole 52, it will not loosen easily.Mounting shell 106 it
Between be provided with ladder mark time 101.
Be provided with sliding slot in first ladder bars 100 and the second ladder bars 200, telescopic leg 5 is plugged in sliding slot, sliding slot inner wall to
It is inside equipped with raised line, is opened on the outer wall of telescopic leg 5 and is formed with guide groove 51 corresponding with raised line, guide groove 51 is clamped with raised line to limit
Telescopic leg 5 is only moved along the length direction of ladder bars.
The upper end of telescopic leg 5 is provided with limited block 54, and locking post 63 keeps out limited block 54 and prevents telescopic leg 5 from from first
It is detached from ladder bars 100 or the second ladder bars 200, the lower end of telescopic leg 5 is arranged with skid-proof rubber foot 53, has antiskid effect, makes ladder
It fits on ground securely.
Fold castor include the mounting rack 46 being arranged between telescopic leg 5 and skid-proof rubber foot 53, foldable base 41, spring 45 and
Pulley 4 is provided with the shaft 44 being rotatablely connected with mounting rack 46 in foldable base 41, and spring 45 is set in one end of shaft 44, turns
Axis 44 is provided with annular nib 43 in one end close to spring 45, the both ends of spring 45 bear against 46 inner wall of mounting rack with it is convex
On side 43, U-shaped mounting portion 42 is provided in foldable base 41, pulley 4 is arranged in U-shaped mounting portion 42.
The length of first ladder bars 100 is greater than the length of the second ladder bars 200.
The top of first ladder bars 100 is provided with tool rack 102, and tool rack 102 is fixed on the inner wall of sliding slot.
Main railing 11, secondary railing 13, handrail 14 and cross handle door 2 are made by the flexible equivalent rail mechanism of the utility model
Telescopic folding folds the form integrally to link, and whole ladder is allowed to fold folding, convenient for storage and carries；Self-locking cross handle door 2 is grasped
Facilitate, do not loosened after shutting by the way that strip 24 is self-locking, is slowly fallen down to certain position certainly after opening by rotary damper 21
It is dynamic to stop, people will not be pounded, and switch gate range in 90 ° is arranged in the angle of switch gate by rotary damper 21, prevents switch gate
Improper go beyond the scope and accident occurs；Ladder is lockked when ladder is opened to use state by limiter 32, is guaranteed using peace
Entirely；It can be with folding ladder after unlocking；The big workbench of 400x520mm makes staff stand more comfortable safer；It is scalable
The telescopic leg 5 of adjusting makes ladder adjust appropriate height (250mm adjustable range) according to requirements, is equally applicable to be uneven
Ground on or gradin on；Improve the practicability of ladder；Skid-proof rubber foot 53 has antiskid effect, is bonded ladder securely
In on ground；By folding castor, castor opening will be folded convenient for the mobile carrying of ladder, convenient for storage after folding；Pass through work
Tool frame 102 temporarily inserts screwdriver for staff, improves practicability.
Do not limit the technical scope of the present invention above, it is all according to the utility model technical spirit to
On embodiment made by any modification, equivalent variations and modification, in the range of still falling within the technical solution of the utility model.
Claims (10)
1. the flexible equivalent fence ladder of one kind, has and opens and convert into two working conditions, it is characterised in that: including double ladder and
Flexible equivalent rail mechanism, workbench, telescopic leg and the folding castor being successively set on double ladder from top to bottom；The people
Word ladder includes two the first ladder bars, two the second ladder bars and multiple is separately positioned between two the first ladder bars and two second
Marking time between ladder bars, first ladder bars top are provided with the attachment base hinged with the second ladder bars；The workbench setting
Between two the first ladder bars and two the second ladder bars, the flexible equivalent rail mechanism is arranged above workbench；It is described
The lower part of two the first ladder bars and two the second ladder bars plugs the telescopic leg of an adjustable length, and the folding castor setting exists
In telescopic leg.
2. a kind of flexible equivalent fence ladder according to claim 1, it is characterised in that, the flexible equivalent rail mechanism packet
Include main railing, secondary railing, handrail and cross handle door, the top rotation connection of the main railing and two the first ladder bars, the master
A handrail is respectively arranged in the both ends of railing, and the cross handle door is arranged between two handrails, setting in the middle part of first ladder bars
There is casing, the handrail is vertically arranged between main railing and casing, and the upper end of the handrail and main railing are pivotally connected, described
The lower end of handrail is provided in opening state and the affixed jump pearl spring of casing, and the lower end of the handrail is on folded position edge
Cannula slide；The secondary railing is located at below main railing, the both ends of the secondary railing attachment base with two the first ladder bars respectively
Pivot joint, the main railing, which is provided with, drives time connecting band of railing rotation, and the both ends of the connecting band are separately fixed at main railing
On secondary railing.
3. a kind of flexible equivalent fence ladder according to claim 2, it is characterised in that, the both ends of the cross handle door are set respectively
It is equipped with rotary damper and inverted u-shaped snap ring, the rotary damper and snap ring are separately positioned in two handrails, the cross
One end of door and rotary damper are pivotally connected, the other end clamping of the cross handle door is set at the bayonet of the snap ring in snap ring
It is equipped with the strip that limitation cross handle door is not fallen off；Articles holding table is provided with above the snap ring.
4. a kind of flexible equivalent fence ladder according to claim 1, it is characterised in that, the workbench includes standing for people
Support plate, lock limiter, cushion block and the grab of the first ladder bars and the second ladder bars opening state, the support plate is articulated in two
Between a first ladder bars, the lower end of support plate is arranged in the cushion block, and the cushion block is resisted against two second ladders in opening state
On bar top layer marks time, one end of the limiter and the pivot joint of marking time, the other end of the limiter and the side wall of support plate
It is flexibly connected, the limiter is opened in the position connecting with support plate and is formed with a L font hole.
5. a kind of flexible equivalent fence ladder according to claim 1, it is characterised in that, first ladder bars and the second ladder bars
On be provided with mounting shell；The locking assembly of positioning telescopic leg is provided in the mounting shell, the locking assembly includes locking
Seat and torsional spring, the locking bed middle part are provided with the axis connecting with mounting shell, and the torsional spring is set on axis, and the locking bed exists
The two sides of axis are respectively arranged with handle and locking post, and at least two location holes are provided in the telescopic leg, and the locking post is inserted
It is located in wherein a positioning hole to fix telescopic leg.
6. a kind of flexible equivalent fence ladder according to claim 5, it is characterised in that, first ladder bars and the second ladder bars
It is inside provided with sliding slot, the telescopic leg is plugged in sliding slot, and the sliding slot inner wall is inwardly equipped with raised line, the telescopic leg
It is opened on outer wall and is formed with guide groove corresponding with raised line, the guide groove and raised line are clamped to limit telescopic leg only along the length side of ladder bars
To movement.
7. a kind of flexible equivalent fence ladder according to claim 5, it is characterised in that, the upper end of the telescopic leg is provided with
Limited block, the lower end of the telescopic leg are arranged with skid-proof rubber foot.
8. a kind of flexible equivalent fence ladder according to claim 7, it is characterised in that, the folding castor includes that setting exists
Mounting rack, foldable base, spring and pulley between telescopic leg and skid-proof rubber foot, are provided in the foldable base and mounting rack rotates
The shaft of connection, the spring are set in one end of shaft, and the shaft is provided with annular nib in one end close to spring, institute
The both ends for stating spring are born against on mounting rack inner wall and chimb, and U-shaped mounting portion, the pulley are provided in the foldable base
It is arranged in U-shaped mounting portion.
9. a kind of flexible equivalent fence ladder according to claim 1, it is characterised in that, the length of first ladder bars is greater than
The length of second ladder bars.
10. a kind of flexible equivalent fence ladder according to claim 6, it is characterised in that, the top of first ladder bars is set
It is equipped with tool rack, the tool rack is fixed on the inner wall of sliding slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821920686.6U CN209369702U (en) | 2018-11-21 | 2018-11-21 | The flexible equivalent fence ladder of one kind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821920686.6U CN209369702U (en) | 2018-11-21 | 2018-11-21 | The flexible equivalent fence ladder of one kind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209369702U true CN209369702U (en) | 2019-09-10 |
Family
ID=67837340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821920686.6U Active CN209369702U (en) | 2018-11-21 | 2018-11-21 | The flexible equivalent fence ladder of one kind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209369702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997514A (en) * | 2020-08-20 | 2020-11-27 | 贵州电网有限责任公司 | Double ladder convenient to transport |
-
2018
- 2018-11-21 CN CN201821920686.6U patent/CN209369702U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997514A (en) * | 2020-08-20 | 2020-11-27 | 贵州电网有限责任公司 | Double ladder convenient to transport |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209385045U (en) | A kind of flexible equivalent rail mechanism of fence ladder | |
| US11154749B1 (en) | Exercise machine with adjustable handles | |
| CN209369702U (en) | The flexible equivalent fence ladder of one kind | |
| KR200480180Y1 (en) | A type ladder | |
| KR102099306B1 (en) | Ladder with adjustable tray height | |
| CN112109059A (en) | Safety protection damping device is used in bottom of automobile maintenance | |
| GB2419373A (en) | Foldable access platform | |
| CN205476400U (en) | But slider formula folding operations footboard device | |
| CN208115035U (en) | Safety foldable formula sways one's hips treadmill | |
| CN112096269A (en) | High-speed railway overhauls uses folding trouble ladder with high factor of safety | |
| CN210659187U (en) | Decoration construction platform frame | |
| CN215098064U (en) | Self-locking folding structure | |
| CN201460700U (en) | Ladder with armrest type guard bar | |
| KR102588273B1 (en) | Scaffolding Ladder Available to be Combined with Ladders | |
| CN106744185B (en) | A kind of folding utility toe guard of elevator car | |
| CN106320964B (en) | A kind of folding ladder | |
| CN219571517U (en) | Computer support that safety and stability is high | |
| KR20210015011A (en) | Ladder | |
| CN217627031U (en) | Barrier-free lifting platform protection structure | |
| CN206000143U (en) | A kind of scaffold folds wheel construction | |
| CN216613653U (en) | Multidirectional flexible guardrail for elevator car | |
| CN215485835U (en) | Multifunctional foldable double-wing-plate extension ladder | |
| CN217027965U (en) | Construction support device for elevator shaft | |
| CN108915576B (en) | rescue ladder | |
| CN210918148U (en) | Civil engineering construction equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |