CN106884612A - A kind of herringbone lift - Google Patents
A kind of herringbone lift Download PDFInfo
- Publication number
- CN106884612A CN106884612A CN201710119880.8A CN201710119880A CN106884612A CN 106884612 A CN106884612 A CN 106884612A CN 201710119880 A CN201710119880 A CN 201710119880A CN 106884612 A CN106884612 A CN 106884612A
- Authority
- CN
- China
- Prior art keywords
- guider
- single ladder
- ladder
- herringbone
- groups
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
Abstract
The herringbone lift that the present invention is provided, single ladder is arranged in first guider, and can the first guider generation vertical direction described in the drives lower edge in power set ascending motion；Locking device, is arranged in first guider, is used to lock single ladder when single ladder rises to desired height position, prevents single ladder from falling., directly be delivered to single single ladder between two groups of supporting ladders and vertically risen by the herringbone lift provided by the present invention.Directly can effectively increase the distance that whole lift can extend by the way of single ladder perpendicular to the ground carries out vertical lifting.Meanwhile, using single single ladder lifting, the weight of whole herringbone lift can be effectively reduced.
Description
Technical field
The present invention relates to lift technical field, and in particular to a kind of herringbone lift for being provided with liftable list ladder.
Background technology
Made in the air, it is necessary to operating personnel are raised to when Electric Power Line Overhaul or high voltage substation are overhauled
Industry, typically using chevron shaped lift, chevron shaped lift includes being arranged on the single of both sides existing operation insulating ladder of ascending a height
Lift, every lift is made up of three sub- ladders being connected with each other, in use, by every root ladder nested with one another by
One is pulled out and locks, and the purpose of whole height is increased to reach, but now, the gross weight of three roots ladder can reach 200kg, and people
Font lift is to be connected to each other to constitute by two lifts, therefore causes the overall weight of ladder very big, inconvenient fortune
Defeated and carrying.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome chevron shaped lift overall weight mistake of the prior art
Greatly, the defect transported and carry is inconvenient to.
Therefore, the present invention provides a kind of herringbone lift, including：Two groups of supporting ladders, it is mutually hinged and can with respect to folding,
The first guider for vertically setting is installed in the junction of supporting ladder described in two groups；Single ladder, with two long legs
And the cross bar between the long leg is fixed on, single ladder is arranged in first guider, and can be in power set
Drive lower edge described in the first guider occur vertical direction ascending motion；Locking device, is arranged on described first and is oriented to
In device, it is used to lock single ladder when single ladder rises to desired height position, prevents single ladder from falling.
The power set include：Second guider, is fixedly installed between supporting ladder described in two groups, and described second leads
To offering the second guide chute for setting along its length on device body；Single ladder lifting bracket, is slidably mounted in
In second guide chute, it is used to lift single ladder and single ladder motion can be driven；Pulley assembly, installed in described
Two guiders inside is simultaneously connected with single ladder lifting bracket, is used to drive single ladder lifting bracket to be led described second
Moved in device.
The pulley assembly includes：Fixed pulley group, is fixedly mounted on the second guider inside near described first
One end of guider；Running block, is movably disposed in the other end in second guider, is carried with single ladder
Rise bracket to be connected, the second pulley group is used to drive single ladder lifting bracket to move；Connecting rope, connects the fixed pulley
Group and the running block, when the connecting rope is tightened up, the running block occurs closer or far from the fixed pulley group
Motion.
The running block is moved along second guide chute.
First guider includes：Housing；At least one set of position-limit mechanism, installed in the enclosure interior, and with institute
The cross bar for stating single ladder is parallel, and position-limit mechanism described in every group is folded in the both sides of the long leg of single ladder.
The position-limit mechanism includes：Two connecting rods, arranged in parallel, the two ends of the every cross bar are fixed on the shell
On body；At least two rollers, are installed in rotation on the every cross bar position corresponding with single ladder.
By the position-limit mechanism, the motion path of single ladder can be stably limited, prevent single ladder from shaking.
The position-limit mechanism also includes：Rebounding mechanism, movable installation on the housing, with opening and support described
The first state of cross bar, and it is retracted to second state parallel with the inner walls.
The long leg includes some sub bars being connected to each other, and is coordinated by cross recess between each described sub bar and is connected
Connect.
Described herringbone lift also includes：Support frame, is connected between supporting ladder described in two groups, is used to limit two groups
The open angle of the supporting ladder.
Technical solution of the present invention, has the following advantages that：
1. the herringbone lift that the present invention is provided, single ladder is arranged in first guider, and can be dynamic
There is the ascending motion of vertical direction in the first guider described in the drive lower edge of power apparatus；Locking device, is arranged on described
In one guider, it is used to lock single ladder when single ladder rises to desired height position, prevents the list
Ladder falls.
, directly be delivered between two groups of supporting ladders single single ladder and along perpendicular by the herringbone lift provided by the present invention
Nogata is ramped up.Compared in the prior art using extension supporting ladder entire length is extended by the way of, directly use with
The mode that the vertical single ladder in ground carries out vertical lifting can effectively increase the distance that whole lift can extend.Meanwhile,
Using single single ladder lifting, the weight of whole herringbone lift can be effectively reduced.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the herringbone lift that Fig. 1 is provided for the present invention；
The structural representation of second guider that Fig. 2 is provided for the present invention；
The structural representation of the pulley assembly that Fig. 3 is provided for the present invention；
Fig. 4 is the pulley assembly for providing of the invention and the cooperation schematic diagram of second guider；
The structural representation of first guider that Fig. 5 is provided for the present invention.
Description of reference numerals：
1- supporting ladders；The mono- ladders of 2-；21- long legs；22- cross bars；3- locking devices；The guiders of 4- first；41- housings；42-
Position-limit mechanism；421- connecting rods；422- rollers；The guiders of 6- second；The mono- ladder lifting brackets of 7-；The guide chutes of 8- second；9- is slided
Wheel assembly；91- fixed pulley groups；92- running blocks；10- support frames.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify describe, rather than indicate imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As long as additionally, technical characteristic involved in invention described below different embodiments non-structure each other
Can just be combined with each other into conflict.
Embodiment 1
The present embodiment provides a kind of herringbone lift, including：Two groups of supporting ladders 1, it is mutually hinged and can with respect to folding,
The junction of supporting ladder 1 described in two groups is provided with the first guider 4 for vertically setting；Single ladder 2, with two long legs
21 and the cross bar 22 that is fixed between the long leg 21, single ladder 2 is arranged in first guider 4, and can be
There is the ascending motion of vertical direction in the first guider 4 described in the drive lower edge of power set；Locking device 3, is arranged on institute
State in the first guider 4, be used to lock single ladder 2 when single ladder 2 rises to desired height position, prevent
Single ladder 2 falls.
In use, directly single single ladder 2 is delivered between two groups of supporting ladders 1 and is vertically risen.Phase
Than in the prior art using extension supporting ladder 1 entire length is extended by the way of, directly using list perpendicular to the ground
The mode that ladder 2 carries out vertical lifting can effectively increase the distance that whole lift can extend.Meanwhile, using single single ladder
2 liftings, can be effectively reduced the weight of whole herringbone lift.
Half space is installed on single ladder 2, is operated with so that operating personnel sit on.
In the present embodiment, the power set include：Second guider 6, be fixedly installed on supporting ladder 1 described in two groups it
Between, the second guide chute 8 for setting along its length is offered on the body of the second guider 6；Single ladder lifting bracket
7, it is slidably mounted in second guide chute 8, it is used to lift single ladder 2 and single ladder 2 can be driven to move；It is sliding
Wheel assembly 9, is connected installed in the inside of second guider 6 and with single ladder lifting bracket 7, is used to drive the list
The motion in second guider 6 of terraced lifting bracket 7.The pulley assembly 9 includes：Fixed pulley group 91, is fixedly mounted on
The inside of second guider 6 is near one end of first guider 4；Running block 92, is movably disposed in institute
The other end in the second guider 6 is stated, is connected with single ladder lifting bracket 7, the second pulley group is along described second
Guide chute 8 is moved, and is used to drive single ladder lifting bracket 7 to move；Connecting rope, connects the fixed pulley group 91 dynamic with described
Assembly pulley 92, when the connecting rope is tightened up, there is the motion closer or far from the fixed pulley group 91 in the running block 92.
In the present embodiment, first guider 4 includes：Housing 41；At least one set of position-limit mechanism 42, installed in described
Inside housing 41 and parallel with the cross bar 22 of single ladder 2, position-limit mechanism 42 described in every group is folded in the institute of single ladder 2
State the both sides of long leg 21.The position-limit mechanism 42 includes：Two connecting rods 421, it is arranged in parallel, every the two of the cross bar 22
End is fixed on the housing 41；At least two rollers 422, are installed in rotation on the every cross bar 22 with single ladder 2
Corresponding position.Rebounding mechanism, it is movable on the housing 41, with opening and support the first of the cross bar 22
State, and it is retracted to second state parallel with the inwall of the housing 41.
Specifically, the herringbone lift is as follows using process：
External force is acted in connecting rope, and now the running block 92 can be moved along the second guide chute 8, running block
92 drive single ladder lifting bracket 7 to move, and the lower section of single ladder 2 is lifted due to single ladder lifting bracket 7, and now single ladder 2 can be by limit
There is upward motion in position mechanism 42, now the rebounding mechanism is subject to acting on for terraced 2 cross bar 22 of the list, in contraction-like
State.After single ladder 2 moves to predeterminated position, the rebounding mechanism ejection supports the cross bar 22 of single ladder 2, prevents single ladder 2
There is downward motion.
In the present embodiment, the long leg 21 includes some sub bars being connected to each other, and ten are passed through between each described sub bar
The cooperation of word groove is attached.Specifically, parent form cross recess is installed positioned at the sub bar bottom of single top of ladder 2, meanwhile, parent form cross
The upper end of groove is provided with screw shell；Sub bar upper end below the sub bar is provided with male cross recess, in use,
By in male cross recess insertion parent form cross recess, screw shell is then rotated, screw shell is covered in male cross recess and mother
The convergence part of type cross recess.
In the present embodiment, described herringbone lift also includes：Support frame 10, be connected to supporting ladder 1 described in two groups it
Between, it is used to limit the open angle of supporting ladder 1 described in two groups.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (9)
1. a kind of herringbone lift, it is characterised in that including：
Two groups of supporting ladders (1) are mutually hinged and can be provided with along perpendicular in the junction of supporting ladder (1) described in two groups with respect to folding
Nogata is to the first guider (4) for setting；
Single ladder (2), with two long legs (21) and the cross bar (22) being fixed between the long leg (21), single ladder (2)
In first guider (4), and the first guider (4) generation can be erected described in the drive lower edge in power set
Nogata to ascending motion；
Locking device (3), is arranged in first guider (4), is used to rise to predetermined altitude position when single ladder (2)
Single ladder (2) is locked when putting, prevents single ladder (2) from falling.
2. herringbone lift according to claim 1, it is characterised in that the power set include：
Second guider (6), is fixedly installed between supporting ladder (1) described in two groups, on the second guider (6) body
Offer the second guide chute (8) for setting along its length；
Single ladder lifting bracket (7), is slidably mounted in second guide chute (8), be used to lift single ladder (2) and
Single ladder (2) can be driven to move；
Pulley assembly (9), is connected installed in second guider (6) inside and with single ladder lifting bracket (7), uses
To drive single ladder lifting bracket (7) motion in second guider (6).
3. herringbone lift according to claim 2, it is characterised in that the pulley assembly (9) includes：
Fixed pulley group (91), is fixedly mounted near first guider (4) inside second guider (6)
End；
Running block (92), is movably disposed in the other end in second guider (6), with single ladder lifting support
Frame (7) is connected, and the second pulley group is used to drive single ladder lifting bracket (7) to move；
Connecting rope, connects the fixed pulley group (91) and the running block (92), when the connecting rope is tightened up, the dynamic cunning
There is the motion closer or far from the fixed pulley group (91) in wheel group (92).
4. herringbone lift according to claim 3, it is characterised in that the running block (92) is led along described second
Moved to chute (8).
5. herringbone lift according to claim 2, it is characterised in that first guider (4) includes：
Housing (41)；
At least one set of position-limit mechanism (42) is internal installed in the housing (41) and equal with the cross bar (22) of single ladder (2)
OK, position-limit mechanism (42) described in every group is folded in the both sides of the long leg (21) of single ladder (2).
6. herringbone lift according to claim 5, it is characterised in that the position-limit mechanism (42) includes：
Two connecting rods (421), arranged in parallel, the two ends of the every connecting rod (421) are fixed on the housing (41)；
At least two rollers (422), are installed in rotation on the every connecting rod (421) portion corresponding with single ladder (2)
Position.
7. herringbone lift according to claim 6, it is characterised in that the position-limit mechanism (42) also includes：Resilience
Mechanism, it is movable on the housing (41), with opening and support the first state of the cross bar (22), and withdraw
To second state parallel with the housing (41) inwall.
8. according to any described herringbone lifts of claim 1-7, it is characterised in that the long leg (21) including it is some that
This sub bar being connected, is coordinated by cross recess between each described sub bar and is attached.
9. herringbone lift according to claim 8, it is characterised in that also include：Support frame (10), is connected to two groups
Between the supporting ladder (1), it is used to limit the open angle of supporting ladder (1) described in two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710119880.8A CN106884612B (en) | 2017-03-01 | 2017-03-01 | Herringbone elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710119880.8A CN106884612B (en) | 2017-03-01 | 2017-03-01 | Herringbone elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106884612A true CN106884612A (en) | 2017-06-23 |
| CN106884612B CN106884612B (en) | 2020-03-10 |
Family
ID=59180673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710119880.8A Active CN106884612B (en) | 2017-03-01 | 2017-03-01 | Herringbone elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106884612B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768486A (en) * | 2019-01-16 | 2019-05-17 | 国网辽宁省电力有限公司鞍山供电公司 | Outdoor Trusses For Transformer Substation crossbeam 10kV disconnecting switch electrification direct-connection device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2813865Y (en) * | 2005-08-05 | 2006-09-06 | 天津市金锚集团有限责任公司 | Lifting device for extending ladder |
| US20110088971A1 (en) * | 2002-09-23 | 2011-04-21 | Herbert Jaffe | Collapsible step and extension ladder |
| CN203614016U (en) * | 2013-12-24 | 2014-05-28 | 威海广泰空港设备股份有限公司 | Scaling ladder telescopic mechanism for firefighting truck |
| CN105401873A (en) * | 2015-12-02 | 2016-03-16 | 国家电网公司 | Insulating elevator |
| CN206874213U (en) * | 2017-03-01 | 2018-01-12 | 国网山东省电力公司青岛供电公司 | A kind of herringbone lift |
-
2017
- 2017-03-01 CN CN201710119880.8A patent/CN106884612B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110088971A1 (en) * | 2002-09-23 | 2011-04-21 | Herbert Jaffe | Collapsible step and extension ladder |
| CN2813865Y (en) * | 2005-08-05 | 2006-09-06 | 天津市金锚集团有限责任公司 | Lifting device for extending ladder |
| CN203614016U (en) * | 2013-12-24 | 2014-05-28 | 威海广泰空港设备股份有限公司 | Scaling ladder telescopic mechanism for firefighting truck |
| CN105401873A (en) * | 2015-12-02 | 2016-03-16 | 国家电网公司 | Insulating elevator |
| CN206874213U (en) * | 2017-03-01 | 2018-01-12 | 国网山东省电力公司青岛供电公司 | A kind of herringbone lift |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768486A (en) * | 2019-01-16 | 2019-05-17 | 国网辽宁省电力有限公司鞍山供电公司 | Outdoor Trusses For Transformer Substation crossbeam 10kV disconnecting switch electrification direct-connection device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106884612B (en) | 2020-03-10 |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Shinan District 266003 Shandong city of Qingdao province Liujiaxia Road No. 17 Applicant after: Qingdao Power Supply Company, State Grid Shandong Electric Power Company Applicant after: State Grid Co., Ltd. Address before: Shinan District 266003 Shandong city of Qingdao province Liujiaxia Road No. 17 Applicant before: Qingdao Power Supply Company, State Grid Shandong Electric Power Company Applicant before: State Grid Corporation |
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