CN204492635U - A kind of hydraulic foldable cat ladder - Google Patents

A kind of hydraulic foldable cat ladder Download PDF

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Publication number
CN204492635U
CN204492635U CN201520047828.2U CN201520047828U CN204492635U CN 204492635 U CN204492635 U CN 204492635U CN 201520047828 U CN201520047828 U CN 201520047828U CN 204492635 U CN204492635 U CN 204492635U
Authority
CN
China
Prior art keywords
axle
hydraulic
support
block
shaft block
Prior art date
Application number
CN201520047828.2U
Other languages
Chinese (zh)
Inventor
郑文武
郭树山
Original Assignee
山东普益电气有限公司
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 山东普益电气有限公司 filed Critical 山东普益电气有限公司
Priority to CN201520047828.2U priority Critical patent/CN204492635U/en
Application granted granted Critical
Publication of CN204492635U publication Critical patent/CN204492635U/en

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Abstract

The utility model relates to a kind of hydraulic foldable cat ladder, comprise base, trapezoid support, main, auxiliary electrohydraulic cylinder, hydraulic locking rigid support device, axle and axle sleeve bascule, lock nut, revolving dial, triangular support bracket, two levels of support axle block, base and back shaft interblock and two levels of support axle interblock are movably hinged, back shaft block front connects trapezoid support, base and one level of support axle block hinged place are provided with main electrohydraulic cylinder, one, secondary back shaft block hinged place is provided with auxiliary electrohydraulic cylinder, one, secondary back shaft block hinged place and secondary back shaft block top are provided with revolving dial, hydraulic locking rigid support device cover on the piston rod, lower end is provided with lock nut, axle and axle sleeve bascule are three way type structure, linear axis is enclosed within fixed axis, vertical axis connects piston rod or hydraulic cylinder, the axle at hydraulic lift two ends and axle sleeve symmetric design.This hydraulic folding climbing ladder supports more stable, firm, and reduce the potential safety hazard of constructor, volume after folding is less.

Description

A kind of hydraulic foldable cat ladder
Technical field
The utility model relates to rising maintenance apparatus technical field, is specifically related to a kind of hydraulic foldable cat ladder.
Background technology
All need to use work high above the ground in multiple fields such as power equipment maintainings at present, need constructor to crawl into specified altitude assignment and carry out maintenance activity, and current existing hydraulic pressure high altitude lifting platform, mostly can only do vertical lift uses, and does not have the function of oblique lifting ladder.In addition, although also there are some can the platform of oblique lifting, because hydraulic means itself exists larger unstability, easily shake during construction, offset, even occur the situations such as more serious rapid drawdown, be difficult to the potential safety hazard of elimination constructor.And lifting gear most is at present because design is unreasonable, cannot effective folding shrinking when not needing, reduction volume, causes larger space waste.
Summary of the invention
Technical problem to be solved in the utility model, be exactly for the deficiency existing for above prior art, and propose a kind of hydraulic foldable cat ladder, this hydraulic folding climbing ladder can realize the stretching, extension, folding of lift, applies flexibly convenient, hydraulic locking rigid support device, support more stable, firm, reduce the potential safety hazard of constructor to greatest extent, the used time can not fold to greatest extent, and volume is little, floor space is little.
The utility model scheme is achieved by the following technical measures:
A kind of hydraulic foldable cat ladder, comprise base, hydraulic lift, trapezoid support, hydraulic lift comprises main electrohydraulic cylinder, auxiliary electrohydraulic cylinder, its feature is that this lift also comprises back shaft block, base and one level of support axle block are movably hinged, back shaft block front connects trapezoid support, base and one level of support axle block hinged place are provided with main electrohydraulic cylinder, main electrohydraulic cylinder cylinder body connects base, piston rod connects the one level of support axle block back side, one level of support axle block and secondary back shaft block are movably hinged, one level of support axle block and secondary back shaft block hinged place are provided with auxiliary electrohydraulic cylinder, auxiliary hydraulic cylinder body connects one level of support axle block front, piston rod connects the secondary back shaft block back side, one level of support axle block and secondary back shaft block hinged place and secondary back shaft block top are provided with revolving dial.
Above-described hydraulic lift also comprises hydraulic locking rigid support device, axle and axle sleeve bascule, lock nut, wherein hydraulic locking rigid support device cover on the piston rod, lower end is provided with lock nut, and axle and axle sleeve bascule are located on the fixed axis that hydraulic lift two ends are connected with back shaft block or base respectively.
Above-described axle and axle sleeve bascule are three way type structure, and linear axis is enclosed within fixed axis, and vertical axis connects piston rod or hydraulic cylinder, the axle at hydraulic lift two ends and axle sleeve symmetric design.
The above back shaft block sidewall is provided with right angle trigonometry bracing frame.
The above triangular support bracket right-angle side is parallel with the trapezoid support back side and connect, and another right-angle side is parallel with back shaft block and connect.
Above-described revolving dial is provided with base plate and guardrail.
Above-described back shaft block front sidewall is fixedly connected with trapezoid support sidewall.
The beneficial effects of the utility model are: base and the one level of support axle block of this lift are movably hinged, back shaft block front connects trapezoid support, base and one level of support axle block hinged place are provided with main electrohydraulic cylinder, main electrohydraulic cylinder cylinder body connects base, piston rod connects the one level of support axle block back side, one level of support axle block and secondary back shaft block are movably hinged, one level of support axle block and secondary back shaft block hinged place are provided with auxiliary electrohydraulic cylinder, auxiliary hydraulic cylinder body connects one level of support axle block front, piston rod connects the secondary back shaft block back side, the stretching, extension of lift can be realized, folding, apply flexibly convenient, support more firm, the used time is not collapsible, reduce volume, one level of support axle block and secondary back shaft block hinged place and secondary back shaft block top are provided with revolving dial, and revolving dial is provided with base plate and guardrail, can be the rotary space that staff provides safer, back shaft block sidewall is provided with right angle trigonometry bracing frame, triangular support bracket right-angle side is parallel with the trapezoid support back side and connect, another right-angle side is parallel with back shaft block and connect, back shaft block front sidewall is fixedly connected with trapezoid support sidewall, substantially increases support strength when lift work stretching, extension is risen, guarantees the stability of lift.
In addition, hydraulic locking rigid support device can make hydraulic cylinder upper piston rod not stress down in working order, uniformly power is sent on base, carries out switch control rule by lock nut, guarantees the stability that hydraulic locking rigid support device supports.The linear axis of axle and axle sleeve and vertical axis all have certain length, two groups of axles up and down of hydraulic means and axle sleeve symmetrical parallel mutually, by closely cooperating of axle and axle sleeve, ensure that the stability of cat ladder entirety.And by axle and shaft sleeve device and hydraulic control device, upper and lower trapezoid support can elevating folding, folding volume is little when falling, floor space is little.General form is brief firmly attractive in appearance, safety and firmness, handled easily.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of hydraulic foldable cat ladder described in the utility model;
Fig. 2 is the base partial structurtes schematic diagram of a kind of hydraulic foldable cat ladder described in the utility model;
Fig. 3 is the secondary back shaft block partial structurtes schematic diagram of a kind of hydraulic foldable cat ladder described in the utility model;
1 be wherein base in figure, 2 is main electrohydraulic cylinder, and 3 is one level of support axle block, 4 is auxiliary electrohydraulic cylinder, 5 is revolving dial, and 6 is secondary back shaft block, and 7 is trapezoid support, 8 is right angle trigonometry bracing frame, 9 is hydraulic locking rigid support device, and 10 is lock nut, and 11 is axle and axle sleeve bascule, 501 is guardrail, and 502 is base plate.
Detailed description of the invention
In order to make the technical solution of the utility model clearly understand, below in conjunction with accompanying drawing embodiment, the utility model is further described.
By Fig. 1, 2, 3 is known, a kind of hydraulic foldable cat ladder, comprise base 1, trapezoid support 7, hydraulic lift, hydraulic lift comprises main electrohydraulic cylinder 2, auxiliary electrohydraulic cylinder 3, hydraulic locking rigid support device 9, axle and axle sleeve bascule 11, lock nut 10, also comprise back shaft block, base 1 and one level of support axle block 3 are movably hinged, back shaft block front connects trapezoid support 7, base 1 and one level of support axle block 3 hinged place are provided with main electrohydraulic cylinder 2, main electrohydraulic cylinder 2 cylinder body is connected base 1 by axle with axle sleeve bascule 11, piston rod is connected one level of support axle block 3 back side by axle with axle sleeve bascule 11, one level of support axle block 3 and secondary back shaft block 6 are movably hinged, one level of support axle block 3 and secondary back shaft block 6 hinged place are provided with auxiliary electrohydraulic cylinder 4, auxiliary electrohydraulic cylinder 4 cylinder body is connected one level of support axle block 3 front by axle with axle sleeve bascule 11, piston rod is connected secondary back shaft block 6 back side by axle with axle sleeve bascule 11, one level of support axle block 3 is provided with revolving dial 5 with secondary back shaft block 6 hinged place and secondary back shaft block 6 top, revolving dial 5 is provided with base plate 502 and guardrail 501, back shaft block sidewall is provided with right angle trigonometry bracing frame 8, triangular support bracket right-angle side is parallel with trapezoid support 7 back side and connect, another right-angle side is parallel with back shaft block and connect, back shaft block front sidewall is fixedly connected with trapezoid support sidewall.Hydraulic locking rigid support device 9 overlaps on the piston rod, and lower end is provided with lock nut 10, and axle and axle sleeve bascule 11 are located on the fixed axis that hydraulic lift two ends are connected with back shaft block or base 1 respectively.Described axle and axle sleeve bascule 11 are three way type structure, and linear axis is enclosed within fixed axis, and vertical axis connects piston rod or hydraulic cylinder, the axle at hydraulic lift two ends and axle sleeve bascule 11 symmetric design.After when cat ladder rises, hydraulic locking rigid support device 9 and lock nut 10 are raised to position, spin locking nut 10 is locked to lock position; First lock nut 10 is rotated to open position when cat ladder is fallen, then carry out operation and fall.

Claims (7)

1. a hydraulic foldable cat ladder, comprise base, hydraulic lift, trapezoid support, hydraulic lift comprises main electrohydraulic cylinder, auxiliary electrohydraulic cylinder, it is characterized in that: this Foldable ladder also comprises back shaft block, base and one level of support axle block are movably hinged, back shaft block front connects trapezoid support, base and one level of support axle block hinged place are provided with main electrohydraulic cylinder, main electrohydraulic cylinder cylinder body connects base, piston rod connects the one level of support axle block back side, one level of support axle block and secondary back shaft block are movably hinged, one level of support axle block and secondary back shaft block hinged place are provided with auxiliary electrohydraulic cylinder, auxiliary hydraulic cylinder body connects one level of support axle block front, piston rod connects the secondary back shaft block back side, one level of support axle block and secondary back shaft block hinged place and secondary back shaft block top are provided with revolving dial.
2. a kind of hydraulic foldable cat ladder according to claim 1, it is characterized in that: described hydraulic lift also comprises hydraulic locking rigid support device, axle and axle sleeve bascule, lock nut, wherein hydraulic locking rigid support device cover on the piston rod, lower end is provided with lock nut, and axle and axle sleeve bascule are located on the fixed axis that hydraulic lift two ends are connected with back shaft block or base respectively.
3. a kind of hydraulic foldable cat ladder according to claim 2, it is characterized in that: described axle and axle sleeve bascule are three way type structure, linear axis is enclosed within fixed axis, and vertical axis connects piston rod or hydraulic cylinder, the axle at hydraulic lift two ends and axle sleeve symmetric design.
4. a kind of hydraulic foldable cat ladder according to claim 1, is characterized in that: back shaft block sidewall is provided with right angle trigonometry bracing frame.
5. a kind of hydraulic foldable cat ladder according to claim 4, is characterized in that: triangular support bracket right-angle side is parallel with the trapezoid support back side and connect, and another right-angle side is parallel with back shaft block and connect.
6. a kind of hydraulic foldable cat ladder according to claim 1, is characterized in that: described revolving dial is provided with base plate and guardrail.
7. a kind of hydraulic foldable cat ladder according to claim 1, is characterized in that: described back shaft block front sidewall is fixedly connected with trapezoid support sidewall.
CN201520047828.2U 2015-01-23 2015-01-23 A kind of hydraulic foldable cat ladder CN204492635U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520047828.2U CN204492635U (en) 2015-01-23 2015-01-23 A kind of hydraulic foldable cat ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520047828.2U CN204492635U (en) 2015-01-23 2015-01-23 A kind of hydraulic foldable cat ladder

Publications (1)

Publication Number Publication Date
CN204492635U true CN204492635U (en) 2015-07-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520047828.2U CN204492635U (en) 2015-01-23 2015-01-23 A kind of hydraulic foldable cat ladder

Country Status (1)

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CN (1) CN204492635U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108150088A (en) * 2017-12-13 2018-06-12 佛山尉达科技有限公司 Rescue ladder
CN108190806A (en) * 2017-12-13 2018-06-22 佛山尉达科技有限公司 Rescue aid
CN108238574A (en) * 2017-12-13 2018-07-03 肇庆鼎湖檀树电子科技有限公司 For the device of fire rescue

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108150088A (en) * 2017-12-13 2018-06-12 佛山尉达科技有限公司 Rescue ladder
CN108190806A (en) * 2017-12-13 2018-06-22 佛山尉达科技有限公司 Rescue aid
CN108238574A (en) * 2017-12-13 2018-07-03 肇庆鼎湖檀树电子科技有限公司 For the device of fire rescue

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150722

Termination date: 20200123

CF01 Termination of patent right due to non-payment of annual fee