CN106150331A - Self-balancing hydraulic ladder - Google Patents
Self-balancing hydraulic ladder Download PDFInfo
- Publication number
- CN106150331A CN106150331A CN201610548357.2A CN201610548357A CN106150331A CN 106150331 A CN106150331 A CN 106150331A CN 201610548357 A CN201610548357 A CN 201610548357A CN 106150331 A CN106150331 A CN 106150331A
- Authority
- CN
- China
- Prior art keywords
- montant
- hydraulic jack
- self
- ladder
- cylinder sleeve
- 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.)
- Pending
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
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/44—Means for mounting ladders on uneven ground
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses such a self-balancing hydraulic ladder, for solving the operations of can ascending a height such as needs artificial place mat fragment of brick or the plank of existing cat ladder existence, there is the deficiency of certain potential safety hazard, the present invention takes to be separately installed with hydraulic jack (5) two described montant (2) lower ends, and one of them hydraulic jack (5) upper end is connected in closing with another hydraulic jack (5) upper end by oil pipe (3).Thus have and utilize people's own wt to regulate two montant length of cat ladder, the advantage adapting to uneven ground voluntarily.
Description
Technical field
The present invention relates to a kind of cat ladder, especially relate to a kind of self-balancing hydraulic pressure being made up of two montants and Duo Gen cross bar
Ladder.
Background technology
At present, market disclosing such a cat ladder, it is structurally characterized in that: be made up of two montants and Duo Gen cross bar,
Two montants, in being arranged parallel to each other, are connected by prescribed distance between two montants and have the many cross bars being parallel to each other, this knot
Structure is easy to carry, and is usually used in the effect of ascending a height.But owing to outdoor study field ground is the most uneven, it is often necessary to artificial place mat
Fragment of brick or plank etc. can be ascended a height operation, cause there is certain potential safety hazard in operation process.
Summary of the invention
It is an object of the invention to provide one utilizes people's own wt to regulate two montant length of cat ladder voluntarily, adapts to not
The self-balancing hydraulic ladder of plane earth.
For reaching above-mentioned purpose, self-balancing hydraulic ladder of the present invention, be made up of two montants and Duo Gen cross bar, two montants in
Being arranged parallel to each other, connecting by prescribed distance between two montants has the many cross bars being parallel to each other, at two described montants
Lower end is separately installed with hydraulic jack, and one of them hydraulic jack upper end is closing by oil pipe and another hydraulic jack upper end
Connect.
The passage that can place oil pipe it is provided with in two montant bottoms and a bottom cross bar.
Being provided with reversal valve on described oil pipe, reversal valve is arranged on montant bottom.
It is easy to be connected with oil pipe in described reversal valve the latter half is extend into montant, by outside described reversal valve top half
It is exposed on montant, it is simple to operation controls.
Described hydraulic jack is made up of cylinder sleeve, piston rod and spring, and piston rod is arranged in cylinder sleeve, at piston rod and cylinder sleeve
Between be provided with spring.
Described hydraulic jack cylinder sleeve is arranged in montant.
Described hydraulic jack cylinder sleeve is connected with montant lower end by connector.
Described connector is arranged to circular tube shaped, and in connector, middle part is provided with sleeveless jacket, makes connector top be sleeved on perpendicular
On rod outer surface, connector bottom is made to be sleeved on hydraulic jack liner backs.
After using this structure, owing to being separately installed with hydraulic jack two described montant lower ends, one of them hydraulic pressure
Cylinder upper end is connected in closing with another hydraulic jack upper end by oil pipe.When self-balancing hydraulic ladder is placed on rough
Time on ground, first being opened by reversal valve, make oil circuit connect, now, staff steps at self-balancing hydraulic ladder bottom piece horizontal stroke of the mat woven of fine bamboo strips
On bar, due to the effect of human body own wt, by being in the hydraulic jack compression on face higher, make the hydraulic pressure in hydraulic jack
Oil is in oil pipe enters into another hydraulic jack, and is released by piston rod, reaches to utilize people's own wt to regulate cat ladder voluntarily
Two montant length, adapt to the purpose of uneven ground.
Accompanying drawing explanation
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Accompanying drawing 1 is the main cross-sectional schematic of self-balancing hydraulic ladder of the present invention.
Accompanying drawing 2 is the main cross-sectional schematic of self-balancing hydraulic ladder another embodiment of the present invention.
In figure: 1. cross bar 2. montant 3. oil pipe 4. cylinder sleeve 5. hydraulic jack 6. piston rod 7.
Reversal valve 8. connector.
Detailed description of the invention
Self-balancing hydraulic ladder of the present invention shown in accompanying drawing 1, is made up of two montants 2 and Duo Gen cross bar 1, and two montants 2 are in the most flat
Row arrangement, is connected by prescribed distance between two montants 2 and has the many cross bars being parallel to each other 1, two described montant 2 lower ends
Being separately installed with hydraulic jack 5, one of them hydraulic jack 5 upper end is closing by oil pipe 3 and another hydraulic jack 5 upper end
Connect;The passage that can place oil pipe 3 it is provided with in two montant 2 bottoms and a bottom cross bar 1;On described oil pipe 3
Being provided with reversal valve 7, reversal valve 7 is arranged on montant 2 bottom;It is easy in described reversal valve 7 the latter half is extend into montant 2
It is connected with oil pipe 3, described reversal valve 3 top half is exposed on montant 2, it is simple to operation controls;Described hydraulic jack 5 is by cylinder
Set 4, piston rod 6 and spring composition, piston rod 6 is arranged in cylinder sleeve 4, is provided with spring between piston rod 6 and cylinder sleeve 4;Will
Described hydraulic jack 5 cylinder sleeve 4 is arranged in montant 2.
Shown in accompanying drawing 2, described hydraulic jack 5 cylinder sleeve 4 is connected with montant 2 lower end by connector 8;Described connector 8 is set
Being set to circular tube shaped, in connector 8, middle part is provided with sleeveless jacket, makes connector 8 top be sleeved on montant 2 outer surface, makes connector 2
Bottom is sleeved on hydraulic jack 5 cylinder sleeve 4 outer surface.
Preferably, self-balancing hydraulic ladder of the present invention, it is made up of two montants 2 and Duo Gen cross bar 1, two montants 2 are in mutually
Arranged in parallel, connect by prescribed distance between two montants 2 and have the many cross bars being parallel to each other 1, two described montants 2 times
End is separately installed with hydraulic jack 5, and one of them hydraulic jack 5 upper end is envelope by oil pipe 3 and another hydraulic jack 5 upper end
Close connection;The passage that can place oil pipe 3 it is provided with in two montant 2 bottoms and a bottom cross bar 1;At described oil pipe 3
On be provided with reversal valve 7, reversal valve 7 is arranged on montant 2 bottom;Described reversal valve 7 the latter half is extend in montant 2 just
In being connected with oil pipe 3, described reversal valve 7 top half is exposed on montant 2, it is simple to operation controls;Described hydraulic jack 5 by
Cylinder sleeve 4, piston rod 6 and spring composition, piston rod 6 is arranged in cylinder sleeve 4, is provided with spring between piston rod 6 and cylinder sleeve 4,
When remaining to keep balance and make piston rod 6 return as early as possible after hydraulic oil seepage;By described hydraulic jack 5 cylinder sleeve 4 by connector 7
It is connected with montant 2 lower end;Described connector 7 is arranged to circular tube shaped, and in connector 7, middle part is provided with sleeveless jacket, makes on connector 7
Portion is sleeved on montant 2 outer surface, makes connector 7 bottom be sleeved on hydraulic jack 5 cylinder sleeve 4 outer surface.
Alternatively, self-balancing hydraulic ladder of the present invention, it is made up of two montants 2 and Duo Gen cross bar 1, two montants 2 are in mutually
Arranged in parallel, connect by prescribed distance between two montants 2 and have the many cross bars being parallel to each other 1, two described montants 2 times
End is separately installed with hydraulic jack 5, and one of them hydraulic jack 5 upper end is envelope by oil pipe 3 and another hydraulic jack 5 upper end
Close connection;The passage that can place oil pipe 3 it is provided with in two montant 2 bottoms and a bottom cross bar 1;At described oil pipe 3
On be provided with reversal valve 7, reversal valve 7 is arranged on montant 2 bottom;Described reversal valve 7 the latter half is extend in montant 2 just
In being connected with oil pipe 3, described reversal valve 7 top half is exposed on montant 2, it is simple to operation controls;Described hydraulic jack 5 by
Cylinder sleeve 4, piston rod 6 and spring composition, piston rod 6 is arranged in cylinder sleeve 4, is provided with spring between piston rod 6 and cylinder sleeve 4;
Described hydraulic jack 5 cylinder sleeve 4 is arranged in montant 2.
Alternatively, self-balancing hydraulic ladder of the present invention, it is made up of two montants 2 and Duo Gen cross bar 1, two montants 2 are in mutually
Arranged in parallel, connect by prescribed distance between two montants 2 and have the many cross bars being parallel to each other 1, two described montants 2 times
End is separately installed with hydraulic jack 5, and one of them hydraulic jack 5 upper end is envelope by oil pipe 3 and another hydraulic jack 5 upper end
Close connection;The passage that can place oil pipe 3 it is provided with in two montant 2 bottoms and a bottom cross bar 1;At described oil pipe 3
On be provided with reversal valve 7, reversal valve 7 is arranged on montant 2 bottom;Described reversal valve 7 the latter half is extend in montant 2 just
In being connected with oil pipe 3, described reversal valve 7 top half is exposed on montant 2, it is simple to operation controls;Described hydraulic jack 5 by
Cylinder sleeve 4 and piston rod 6 form, and piston rod 6 is arranged in cylinder sleeve 4;Described hydraulic jack 5 cylinder sleeve 4 is arranged in montant 2.
Alternatively, self-balancing hydraulic ladder of the present invention, it is made up of two montants 2 and Duo Gen cross bar 1, two montants 2 are in mutually
Arranged in parallel, connect by prescribed distance between two montants 2 and have the many cross bars being parallel to each other 1, two described montants 2 times
End is separately installed with hydraulic jack 5, and one of them hydraulic jack 5 upper end is envelope by oil pipe 3 and another hydraulic jack 5 upper end
Close connection;The passage that can place oil pipe 3 it is provided with in two montant 2 bottoms and a bottom cross bar 1;At described oil pipe 3
On be provided with reversal valve 7, reversal valve 7 is arranged on montant 2 bottom;Described reversal valve 7 the latter half is extend in montant 2 just
In being connected with oil pipe 3, described reversal valve 7 top half is exposed on montant 2, it is simple to operation controls;Described hydraulic jack 5 by
Cylinder sleeve 4 and piston rod 6 form, and piston rod 6 is arranged in cylinder sleeve 4;By described hydraulic jack 5 cylinder sleeve 4 by connector 8 and montant
2 lower ends connect;Described connector 8 is arranged to circular tube shaped, and in connector 8, middle part is provided with sleeveless jacket, makes connector 8 top be set with
On montant 2 outer surface, connector 8 bottom is made to be sleeved on hydraulic jack 5 cylinder sleeve 4 outer surface.
Claims (8)
1. a self-balancing hydraulic ladder, is made up of two montants and Duo Gen cross bar, and two montants are in being arranged parallel to each other, at two
Connect by prescribed distance between montant and have the many cross bars being parallel to each other, it is characterised in that: divide two described montant (2) lower ends
Not being provided with hydraulic jack (5), one of them hydraulic jack (5) upper end is by oil pipe (3) and another hydraulic jack (5) upper end
Connect in closing.
Self-balancing hydraulic ladder the most according to claim 1, it is characterised in that: in two montant (2) bottoms and bottom
Root cross bar is provided with, in (1), the passage that can place oil pipe (3).
Self-balancing hydraulic ladder the most according to claim 1, it is characterised in that: on described oil pipe (3), it is provided with reversal valve
(7), reversal valve (7) is arranged on montant (2) bottom.
Self-balancing hydraulic ladder the most according to claim 3, it is characterised in that: described reversal valve (7) the latter half is stretched into
It is easy to be connected with oil pipe (3) in montant (2), described reversal valve (7) top half is exposed on montant (2), it is simple to operation
Control.
Self-balancing hydraulic ladder the most according to claim 1, it is characterised in that: described hydraulic jack (5) is by cylinder sleeve (4), work
Stopper rod (6) and spring composition, piston rod (6) is arranged in cylinder sleeve (4), is provided with bullet between piston rod (6) and cylinder sleeve (4)
Spring.
Self-balancing hydraulic ladder the most according to claim 1, it is characterised in that: described hydraulic jack (5) cylinder sleeve (4) is arranged
In montant (2).
Self-balancing hydraulic ladder the most according to claim 1, it is characterised in that: described hydraulic jack (5) cylinder sleeve (4) is by even
Fitting (8) is connected with montant (2) lower end.
Self-balancing hydraulic ladder the most according to claim 7, it is characterised in that: described connector (8) is arranged to circular tube shaped,
In connector (8), middle part is provided with sleeveless jacket, makes connector (8) top be sleeved on montant (2) outer surface, makes under connector (8)
Portion is sleeved on hydraulic jack (5) cylinder sleeve (4) outer surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610548357.2A CN106150331A (en) | 2016-07-13 | 2016-07-13 | Self-balancing hydraulic ladder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610548357.2A CN106150331A (en) | 2016-07-13 | 2016-07-13 | Self-balancing hydraulic ladder |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106150331A true CN106150331A (en) | 2016-11-23 |
Family
ID=58062681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610548357.2A Pending CN106150331A (en) | 2016-07-13 | 2016-07-13 | Self-balancing hydraulic ladder |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106150331A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110863770A (en) * | 2019-11-21 | 2020-03-06 | 国网辽宁省电力有限公司营口供电公司 | Self-balancing electric power insulation ladder stand |
CN111764816A (en) * | 2020-08-19 | 2020-10-13 | 湖州天际环保技术有限公司 | A adjustable V-arrangement ladder for interior decoration |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61184614A (en) * | 1985-02-13 | 1986-08-18 | Hajime Yasuga | Controller of attitude of stepladder and trap |
AU2003100151A4 (en) * | 2003-03-03 | 2003-07-10 | Sinclair, John G | Hydraulic Stabiliser for a Ladder |
JP2004257051A (en) * | 2003-02-25 | 2004-09-16 | Kenji Okuma | Leg length changeable ladders |
CN101023239A (en) * | 2004-08-16 | 2007-08-22 | 福莱特公司 | A support for supporting a structure on a surface |
DE202007016972U1 (en) * | 2007-12-05 | 2008-04-10 | Goldammer, Bernd | Height compensation for standing and leaning ladders |
GB2487408B (en) * | 2011-01-21 | 2014-09-17 | Eric Burden | Self levelling support apparatus |
-
2016
- 2016-07-13 CN CN201610548357.2A patent/CN106150331A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61184614A (en) * | 1985-02-13 | 1986-08-18 | Hajime Yasuga | Controller of attitude of stepladder and trap |
JP2004257051A (en) * | 2003-02-25 | 2004-09-16 | Kenji Okuma | Leg length changeable ladders |
AU2003100151A4 (en) * | 2003-03-03 | 2003-07-10 | Sinclair, John G | Hydraulic Stabiliser for a Ladder |
CN101023239A (en) * | 2004-08-16 | 2007-08-22 | 福莱特公司 | A support for supporting a structure on a surface |
DE202007016972U1 (en) * | 2007-12-05 | 2008-04-10 | Goldammer, Bernd | Height compensation for standing and leaning ladders |
GB2487408B (en) * | 2011-01-21 | 2014-09-17 | Eric Burden | Self levelling support apparatus |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110863770A (en) * | 2019-11-21 | 2020-03-06 | 国网辽宁省电力有限公司营口供电公司 | Self-balancing electric power insulation ladder stand |
CN111764816A (en) * | 2020-08-19 | 2020-10-13 | 湖州天际环保技术有限公司 | A adjustable V-arrangement ladder for interior decoration |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106150331A (en) | Self-balancing hydraulic ladder | |
CN204461202U (en) | A kind of adjustable gun stock | |
MY187059A (en) | Gravel pack service tool with enhanced pressure maintenance | |
CN204754867U (en) | Adjustable over -and -under type manifold base | |
MX2018013153A (en) | Hydraulically powered downhole piston pump. | |
CN105889154A (en) | High-pressure gas pressure energy isentropic supercharger | |
DE838863C (en) | Master cylinder for hydraulic pressure systems, in particular for vehicle brakes | |
CN201924872U (en) | Intubation tube packer | |
CN202441660U (en) | Backpressure loop of bridge synchronous jacking hydraulic system | |
CN204148808U (en) | Pneumatic spring hold down gag | |
CN107119911A (en) | A kind of structure self-balancing discharge mechanism and its construction method | |
CN104973533B (en) | A kind of three-dimensional jack | |
CN206735746U (en) | A kind of forestry aerial device | |
CN205116465U (en) | Novel house energy dissipation shock attenuation wall | |
DE202011051440U1 (en) | A fixture | |
CN204920867U (en) | Circulated hanger of horizontal well screen pipe | |
CN205781029U (en) | Forging steel ball valve | |
CN204609745U (en) | The folding ladder of high stability | |
CN109184186A (en) | A kind of more convenient engineering mechanical device | |
CN204784068U (en) | Connecting rod | |
CN204266262U (en) | A kind of rescue shovel | |
CN104074822B (en) | A kind of manual return check valve | |
CN203359859U (en) | Hydraulic elevation type crane device | |
CN203742503U (en) | Anti-shifting drilling liner hanger for thickened oil thermal recovery | |
CN205189778U (en) | Airtight linker |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161123 |