CN106150331A - Self-balancing hydraulic ladder - Google Patents

Self-balancing hydraulic ladder Download PDF

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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
Application number
CN201610548357.2A
Other languages
Chinese (zh)
Inventor
邱进煊
谢剑
钟晓炜
苏向阳
范嘉祥
欧贤凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Longyan Power Supply Co of State Grid Fujian Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Longyan Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Fujian Electric Power Co Ltd, Longyan Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610548357.2A priority Critical patent/CN106150331A/en
Publication of CN106150331A publication Critical patent/CN106150331A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/04Ladders for resting against objects, e.g. walls poles, trees
    • E06C1/08Ladders for resting against objects, e.g. walls poles, trees multi-part
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/42Ladder feet; Supports therefor
    • E06C7/44Means 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

Self-balancing hydraulic ladder
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.
CN201610548357.2A 2016-07-13 2016-07-13 Self-balancing hydraulic ladder Pending CN106150331A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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Application publication date: 20161123