CN207092937U - A kind of telescopic ladder - Google Patents
A kind of telescopic ladder Download PDFInfo
- Publication number
- CN207092937U CN207092937U CN201720530613.5U CN201720530613U CN207092937U CN 207092937 U CN207092937 U CN 207092937U CN 201720530613 U CN201720530613 U CN 201720530613U CN 207092937 U CN207092937 U CN 207092937U
- Authority
- CN
- China
- Prior art keywords
- ladder
- sleeve
- hydraulic jack
- hand
- hydraulic
- 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.)
- Expired - Fee Related
Links
Landscapes
- Ladders (AREA)
Abstract
The utility model discloses a kind of telescopic ladder, including main ladder support, secondary ladder and hydraulic jack, hydraulic jack is located in sleeve, sleeve is connected side by side with main ladder support, the bottom surface of sleeve flushes with the bottom surface of main ladder support, an opening extended along sleeve top down is offered on sleeve outer wall, secondary ladder is arranged in sleeve and can moved up and down along sleeve openings, the push rod of hydraulic jack is connected with secondary ladder bottom surface, the hydraulic services for driving hydraulic jack are further fixed on sleeve outer wall, hydraulic services include hand oil pump, check valve and hand stop valve.The utility model provides a kind of ladder for being capable of collapsing length, convenience in transport and storage, has that top lift is big using the hydraulic jack controlled manually, easy to operate, and can prevent ladder retracted in length in the course of the work, securely and reliably, has good economic benefit.
Description
Technical field
A kind of telescopic ladder is the utility model is related to, belongs to ladder field.
Background technology
Ladder is our daily life toolses, does side by two root long thick bar, centre is crossed scansorial cross bar, is used for
Climb, very convenient, current most ladder all uses the structure of regular length, i.e. the length of ladder can not extend, this
Resulted in put with it is very inconvenient in transportation, also have the ladder using segmentation structure, it is necessary to be adopted when lengthening
It is fixed with bolt or bearing pin, but needs manually to be assembled, very arduously, and it is also very troublesome, in addition
These findings are also easily lost, and are not easy to store and transport, it is therefore desirable to which the ladder structure used at present is improved.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of telescopic ladder.
In order to realize above-mentioned target, the utility model adopts the following technical scheme that：
A kind of telescopic ladder, including main ladder support, secondary ladder and hydraulic jack, aforementioned hydraulic oil cylinder are located in sleeve,
Aforementioned sleeves are connected side by side with main ladder support, and the bottom surface of aforementioned sleeves flushes with the bottom surface of main ladder support, are opened up on aforementioned sleeves outer wall
There is an opening extended along sleeve top down, aforementioned auxiliary ladder is arranged in sleeve and fortune up and down can be done along sleeve openings
Dynamic, the push rod of aforementioned hydraulic oil cylinder is connected with secondary ladder bottom surface, is further fixed on being used to drive hydraulic jack on aforementioned sleeves outer wall
Hydraulic services, aforementioned hydraulic annex includes hand oil pump, check valve and hand stop valve.
Preferably, aforementioned hydraulic oil cylinder is single-action hydraulic cylinder, and using secondary ladder, the weight of itself is unloaded, very
It is convenient.
Preferably, previous manual oil pump includes the hand increasing pressure pump and fuel tank for being integrated into a component, and use is manually operated,
Simple in construction, fault rate is small, and need to only purchase finished product, convenient to fix.
Preferably, wherein one end of foregoing check valve is connected with hand oil pump, the other end of check valve and hydraulic jack
Rodless cavity connects, and check valve prevents that fluid backflow causes secondary ladder to move to hydraulic jack at work, prevents ladder worked
Retracted in length in journey, it is avoided that to harm caused by user.
Preferably, previous manual stop valve is manual ball valve, and wherein one end and the hand oil pump of previous manual stop valve connect
Connect, the other end of hand stop valve and the rodless cavity of hydraulic jack connect, and hand stop valve is mainly used in hydraulic jack work knot
Oil return is opened after beam, makes to drop back into original position under secondary ladder.
Preferably, to be connected in parallel between foregoing check valve and hand stop valve, because check valve and hand stop valve exist
Difference is acted in the system, if series connection does not reach control effect yet.
Preferably, foregoing main ladder support and secondary ladder are comprising two montants parallel to each other and between two montants
Several cross bars.
Preferably, the A/F of aforementioned sleeves is not less than the thickness of secondary ladder, and the opening of sleeve is positioned at hydraulic jack
Top.
It is of the present utility model to be beneficial in that：The utility model provides a kind of ladder for being capable of collapsing length, convenient
Transport and storage, have that top lift is big using the hydraulic jack controlled manually, easy to operate, and ladder can be prevented in the course of work
Middle retracted in length, securely and reliably, there is good economic benefit.
Brief description of the drawings
Fig. 1 is the structural representation of a preferred embodiment of the present utility model；
Fig. 2 is the enlarged diagram at A in Fig. 1；
Fig. 3 is the main ladder support front view in a kind of telescopic ladder of the present utility model；
Fig. 4 is the secondary ladder front view in a kind of telescopic ladder of the present utility model；
Fig. 5 is the connection diagram of the secondary ladder and sleeve in a kind of telescopic ladder of the present utility model.
The implication of reference in figure：1st, main ladder support, 2, sleeve, 3, hydraulic jack, 4, hand oil pump, 5, secondary ladder, 6,
Check valve, 7, hand stop valve, 8, opening.
Embodiment
Make specific introduce to the utility model below in conjunction with the drawings and specific embodiments.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " be only used for describe purpose, and it is not intended that instruction or
Imply relative importance.
Referring to Fig. 1, a kind of telescopic ladder of the present utility model, including main ladder support 1, secondary ladder 5 and hydraulic jack 3,
Hydraulic jack 3 is located in sleeve 2, and sleeve 2 is connected side by side with main ladder support 1, and the bottom surface of sleeve 2 flushes with the bottom surface of main ladder support 1, secondary
Ladder 5 is arranged in sleeve 2, and the push rod of hydraulic jack 3 is connected with the secondary bottom surface of ladder 5, is further fixed on being used to drive on the outer wall of sleeve 2
The hydraulic services of hydraulic cylinder 3.
Referring to Fig. 5, sleeve 2 is the hollow cylinder of metal material, and the wall thickness of sleeve 2 is 5mm, is offered on the outer wall of sleeve 2
One opening 8 extended along the top down of sleeve 2, the width of opening 8 of sleeve 2 is bigger 2mm than the thickness of secondary ladder 5, and sleeve 2 is opened
Mouth 8 is located at the top of hydraulic jack 3, and secondary ladder 5 is arranged in sleeve 2 and can be open along sleeve 2 and be moved up and down, and sleeve 2 rises
To the effect of a guiding.
Referring to Fig. 2, hydraulic services include hand oil pump 4, check valve 6 and hand stop valve 7, and hand oil pump 4 includes integrated
For the hand increasing pressure pump and fuel tank of a component, use is manually operated, simple in construction, and fault rate is small, and need to only purchase finished product
, convenient to fix, wherein one end of check valve 6 is connected with hand oil pump 4, the other end of check valve 6 and the nothing of hydraulic jack 3
Rod cavity connects, and check valve 6 prevents that fluid backflow causes secondary ladder 5 to move to hydraulic jack 3 at work, prevents ladder worked
Retracted in length in journey, it is avoided that hand stop valve 7 is manual ball valve, and hand stop valve 7 is wherein to harm caused by user
One end is connected with hand oil pump 4, and the other end of hand stop valve 7 is connected with the rodless cavity of hydraulic jack 3, check valve 6 with manually
To be connected in parallel between stop valve 7, hydraulic jack 3 is single-action hydraulic cylinder, and hand stop valve 7 is in the course of work of hand oil pump 4
In enter in the state closed, fluid through check valve 6 in hydraulic jack 3, secondary ladder 5 moves up, when by hand stop valve 7
After unlatching, fluid is flow back into hand oil pump 4 in hydraulic jack 3, and secondary ladder 5 moves down withdrawal.
Referring to Fig. 3 and Fig. 4, main ladder support 1 and secondary ladder 5 comprising two montants parallel to each other and positioned at two montants it
Between 3 cross bars, the spacing between adjacent two cross bars is 30cm, and main ladder support 1 and secondary ladder 5 are mainly used in climbing and used.
In summary, the utility model provides a kind of ladder for being capable of collapsing length, convenience in transport and storage, using hand
The hydraulic jack of dynamic control has that top lift is big, easy to operate, and can prevent ladder retracted in length in the course of the work, safely may be used
Lean on, there is good economic benefit.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
The technical scheme obtained, all falls within the scope of protection of the utility model.
Claims (8)
- A kind of 1. telescopic ladder, it is characterised in that including main ladder support, secondary ladder and hydraulic jack, the hydraulic jack position In in sleeve, the sleeve is connected side by side with main ladder support, and the bottom surface of the sleeve flushes with the bottom surface of main ladder support, outside the sleeve An opening extended along sleeve top down is offered on wall, the secondary ladder is arranged in sleeve and can done along sleeve openings Move up and down, the push rod of the hydraulic jack is connected with secondary ladder bottom surface, is further fixed on being used to drive liquid on the sleeve outer wall The hydraulic services of compressing cylinder, the hydraulic services include hand oil pump, check valve and hand stop valve.
- 2. a kind of telescopic ladder according to claim 1, it is characterised in that the hydraulic jack is single-acting hydraulic Cylinder.
- 3. a kind of telescopic ladder according to claim 1, it is characterised in that the hand oil pump includes and is integrated into one The hand increasing pressure pump and fuel tank of individual component.
- 4. a kind of telescopic ladder according to claim 1, it is characterised in that wherein one end of the check valve and hand Dynamic oil pump connection, the other end of check valve and the rodless cavity of hydraulic jack connect.
- 5. a kind of telescopic ladder according to claim 1, it is characterised in that the hand stop valve is manual ball Valve, wherein one end of the hand stop valve are connected with hand oil pump, the other end of hand stop valve and hydraulic jack without bar Chamber connects.
- A kind of 6. telescopic ladder according to claim 1, it is characterised in that the check valve and hand stop valve it Between to be connected in parallel.
- 7. a kind of telescopic ladder according to claim 1, it is characterised in that the main ladder support and secondary ladder include Two montants parallel to each other and several cross bars between two montants.
- 8. a kind of telescopic ladder according to claim 1, it is characterised in that the A/F of the sleeve is not less than The thickness of secondary ladder, the opening of sleeve is positioned at the top of hydraulic jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720530613.5U CN207092937U (en) | 2017-05-15 | 2017-05-15 | A kind of telescopic ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720530613.5U CN207092937U (en) | 2017-05-15 | 2017-05-15 | A kind of telescopic ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207092937U true CN207092937U (en) | 2018-03-13 |
Family
ID=61551254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720530613.5U Expired - Fee Related CN207092937U (en) | 2017-05-15 | 2017-05-15 | A kind of telescopic ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207092937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424526A (en) * | 2020-03-04 | 2020-07-17 | 广西翔路建设有限责任公司 | Hydraulic supporting system for corrugated steel web box girder bridge |
-
2017
- 2017-05-15 CN CN201720530613.5U patent/CN207092937U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424526A (en) * | 2020-03-04 | 2020-07-17 | 广西翔路建设有限责任公司 | Hydraulic supporting system for corrugated steel web box girder bridge |
| CN111424526B (en) * | 2020-03-04 | 2021-07-06 | 广西北投公路建设投资集团有限公司 | Hydraulic supporting system for corrugated steel web box girder bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207092937U (en) | A kind of telescopic ladder | |
| CN107842189B (en) | A kind of lift building scaffold | |
| CN105174128A (en) | Shearing hoister | |
| CN209651838U (en) | A kind of removable fork hydraulic lifting platform | |
| CN105298951B (en) | A kind of aerial work platform and its changing-breadth system | |
| CN207713323U (en) | A kind of hydraulic jack being convenient for carrying | |
| CN108561353B (en) | Bolt loop of ocean engineering platform lifting system | |
| CN105502240B (en) | A kind of hydraulic climbing mechanism with dead lock for safety function | |
| CN203451165U (en) | Height-adjustable sectioned ship body placing pier | |
| CN206636157U (en) | One kind is suitable to job site assembling steel construction | |
| CN215715100U (en) | Folding hydraulic dam | |
| CN206896013U (en) | A kind of draw-bar box pull bar for freely adjusting height | |
| CN107830000A (en) | Stacker-reclaimer pitching hydraulic system | |
| CN208474219U (en) | A kind of bolt circuit of ocean engineering platform hoist system | |
| CN204703738U (en) | Aerial work walking ladder | |
| CN210480727U (en) | Vertical oil pressure slow-lowering jack | |
| CN208565128U (en) | Elevating ram | |
| CN210261007U (en) | Hydraulic system of auxiliary vehicle of side stand machine and auxiliary vehicle of side stand machine | |
| CN205805447U (en) | Multi-functional dismountable type hydraulic tube drawing bench | |
| CN207715449U (en) | A kind of hydraulic hammer integrated hydraulic device | |
| CN206105739U (en) | Pneumatic cylinder plunger type slush pump valve seat extractor | |
| CN207257901U (en) | A kind of fluid pressure type mast lift | |
| CN206801111U (en) | A kind of portal frame movable stand | |
| CN206753512U (en) | Oil well oil recovery rodlless subsurface pump | |
| CN206457199U (en) | Pumping unit correcting and positioning device and pumping unit correcting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20190515 |