CN102923620A - Lifting type work platform and lifting ladder structure of lifting type work platform - Google Patents
Lifting type work platform and lifting ladder structure of lifting type work platform Download PDFInfo
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- CN102923620A CN102923620A CN2012104662219A CN201210466221A CN102923620A CN 102923620 A CN102923620 A CN 102923620A CN 2012104662219 A CN2012104662219 A CN 2012104662219A CN 201210466221 A CN201210466221 A CN 201210466221A CN 102923620 A CN102923620 A CN 102923620A
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- pair
- ladder
- guide
- escalator structure
- casing
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- 238000000034 method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Escalators And Moving Walkways (AREA)
Abstract
The invention provides an elevator structure used for a lifting type work platform, which comprises multistep casing ladders which are mutually embedded, the cross section of the casing ladder comprises a hollow rectangular frame, a first pair of guide rail slots and a second pair of guide rail slots, wherein the first pair of guide rails are formed by extending arms respectively extending outwards from upper edges and lower edges of the left side and the right side of a hollow rectangular frame, and the second pair of guide rails are formed by bent parts which perpendicularly extend downwards from the top ends of the left lower extending arm and the right lower extending arm in the first pair of the guide rail slots, and then horizontally extends inwards; and a hollow rectangular frame of one casing ladder of the adjacent second-grade casing ladders is sheathed in the second pair of guide rail slots of the other casing ladder so as to form the sheathing of the adjacent second-grade ladders. The unique lifting ladder structure can enable the contact area between the adjacent second-grade casing ladders to become larger, and enable the adjacent second-grade casing ladders to obtain the assistant guide structure, thereby enhancing the stability and the reliability of the entire equipment.
Description
Technical field
The present invention relates to the elevator field, relate in particular to a kind of lifting mode job platform and escalator structure thereof.
Background technology
High-altitude operation platform (Aerial work platform) is the product of serving the mobility aloft work such as every profession and trade aloft work, equipment installation, maintenance.For example, traditional high-altitude operation platform Related product mainly contains: scissor aerial work platform, in-vehicle high-altitude operation platform, crank type aerial working platform, self-propelled aloft working platform, aluminum alloy high-altitude operation platform, double-cylinder type high-altitude operation platform six large classes.
Generally, bay-lift self has walking and turns to the driving function, does not need artificial traction, does not need external source to move flexibly and easily, makes the aloft work more convenient and quicker, is the desirable aerial lift device of modern enterprise highly effective and safe production.The auxiliary self-travel type elevator of auxiliary self-travel type series elevator has automatic walking function, can be under the different operating state, do not need external source, do not need external power traction, mobile flexible, easy to operate, lifting freely only needs a people just can finish and advances, retreats.
High-altitude operation platform has very high requirement as a kind of dangerous service tool to safety always.The safe in operation standard of various high-altitude operation platforms is constantly put into effect.Therefore, industry needs more and more safer height to sit implement to satisfy new safe in operation standard.
Summary of the invention
The present inventor's combination research and development experience has for many years been developed a kind of lifting mode job platform and escalator structure thereof.
According to an aspect of the present invention, provide a kind of escalator structure for the lifting mode job platform, be made of nested each other multistage cover ladder, the cross-sectional plane of described cover ladder comprises:
The rectangle framework of hollow;
First pair of guide-track groove, the extension arm that is extended outward respectively by the up and down both sides of two sides from about the rectangle framework of described hollow forms; And
Second pair of guide-track groove, after being extended vertically downward by the top of the extension arm of the lower-left from described first pair of guide-track groove and bottom right more inside horizontally extending kink form,
Wherein, the hollow, rectangular framework of a cover ladder in the adjacent two-stage cover ladder is placed in second pair of guide-track groove of another set of ladder, to form the nested of this adjacent two-stage cover ladder.
Preferably, according to a preferred embodiment of the invention, in above-mentioned escalator structure, also comprise: the first guiding projection, from the top of described rectangle framework to upper process, the upper left and upper right extension arm in the end of wherein said the first guiding projection and the described first pair of guide-track groove is in same plane.
Preferably, according to a preferred embodiment of the invention, in above-mentioned escalator structure, also comprise: the second guiding projection, from the bottom of described rectangle framework to upper process and axially symmetrical along axis and described first guiding projection of the vertical direction of described rectangle framework, wherein said the second guiding projection is identical from the extended length of described rectangle framework with described the first guiding projection from the extended length of described rectangle framework.
Preferably, according to a preferred embodiment of the invention, in above-mentioned escalator structure, further be provided with T-shaped port recess at the crooked place place of described kink, described T-shaped port recess is extended laterally from described crooked place.
According to a further aspect in the invention, also provide a kind of lifting mode job platform, having comprised: platform base; Jacking system is fixed in a side of described platform base, and described jacking system further comprises: aforesaid escalator structure, the control panel that drives the actuating device of this escalator structure, described actuating device is controlled; The operation storehouse is fixed on the described escalator structure; And lock handle, being arranged at the opposite side of described platform base, described lock handle and described escalator structure mechanical connection are to drive the locking piece on the transmission hinge in the described escalator structure.
The escalator structure of uniqueness of the present invention can obtain larger area of contact and auxiliary guide frame so that adjacent two-stage is overlapped between the ladder, thereby can improve stability and the reliability of equipment package.
Should be appreciated that the above generality of the present invention is described and the following detailed description all is exemplary and explanat, and be intended to the further explanation that the invention provides for as claimed in claim.
Description of drawings
Accompanying drawing mainly is be used to providing the present invention further to be understood.Accompanying drawing shows embodiments of the invention, and plays the effect of explaining the principle of the invention with this specification sheets.In the accompanying drawing:
Fig. 1 schematically shows the keystone configuration of lifting mode job platform of the present invention.
Fig. 2 is the schematic diagram of the cross-sectional plane of cover ladder.
The specific embodiment
Discuss a plurality of embodiment of the present invention in detail below in conjunction with accompanying drawing.
Fig. 1 schematically shows the keystone configuration of lifting mode job platform 100 of the present invention.Wherein, lifting mode job platform 100 of the present invention mainly comprises: platform base 101, hold-down arm 102, jacking system 103, escalator structure 104, actuating device 105, control panel 106, operation storehouse 107, lock handle 108, guardrail 109.
As shown in the figure, at least three hold-down arms 102 are connected with described platform base 101 by rotating shaft respectively and extend from described platform base 101.
Jacking system 103 is fixed in a side of described platform base 101, and described jacking system 103 further comprises: escalator structure 104, the control panel 106 that drives the actuating device 105 of this escalator structure 104, described actuating device 105 is controlled.Described escalator structure 104 adopts high strength fine aluminum alloy materials, have handsome in appearance, volume is little, lightweight, lifting is steady, the advantage such as safe and reliable.
For example, the basic functional principle of jacking system 103 is: hydraulic oil forms certain pressure by blade-type pump, enter the fluid cylinder lower end through oil filter, flame-proof type solenoid directional control valve, flow regulating valve, hydraulic control one-way valve, balance cock, make the piston upward movement of fluid cylinder, lifting heavy, fluid cylinder upper end oil return is got back to fuel tank through the flame-proof type solenoid directional control valve, and its rated pressure is adjusted by by pass valve, observes the pressure gauge reading value by compression indicator.The piston of fluid cylinder moves downward (both weight decline).Hydraulic oil enters the fluid cylinder upper end through the explosion proof type solenoid directional control valve, and the oil return of fluid cylinder lower end is got back to fuel tank through balance cock, hydraulic control one-way valve, flow regulating valve, flame-proof type solenoid directional control valve.For making the weight smooth decreasing, brake safe is reliable, at oil return line balance cock is set, and the balanced loop, keeps pressure, and make descending speed not be subjected to weight and change, by the throttle valve adjustment flow, the control rising or falling speed.
Operation storehouse 107 is fixed on the described escalator structure 104.Preferably, in preferred embodiment shown in Figure 1, described operation storehouse 107 has two-layer at least guardrail.
Lock handle 108 is arranged at the opposite side of described platform base 101, and described lock handle 108 and described escalator structure 104 mechanical connections are to drive the locking piece (not shown) on the transmission hinge in the described escalator structure 104.
Preferably, according to a preferred embodiment of the invention, in above-mentioned lifting mode job platform 100, described escalator structure 104 is the inner cased type escalator structures that are made of multistage cover ladder, and wherein said multistage cover ladder all is the section girth of cover ladder of hollow tubular and inner ring less than the section girth of the cover ladder of outer ring.On the one hand, the present invention has adopted the inner cased type escalator structure.Compare with traditional chain-type or the escalator structure of elevating lever-type, the area of contact between the inner ring of escalator structure 104 of the present invention and the outer ring sleeve ladder significantly improves, so that more steady in the lifting operational process.
Escalator structure 104 of the present invention is made of nested each other multistage cover ladder.Forward now Fig. 2 to, wherein illustrate in greater detail the cross-sectional plane of cover ladder of the present invention.As shown in the figure, the cross-sectional plane of described cover ladder comprises: the rectangle framework 201 of hollow, first pair of guide-track groove 202, second pair of guide-track groove 203, the first guiding projection 204, the second guiding projection 205 and T-shaped port recess 206.
The first pair of guide-track groove 202 formed by the extension arm that the up and down both sides of two sides from about the rectangle framework 201 of described hollow extend outward respectively.After second pair of guide-track groove 203 extended vertically downward by the top of the extension arm of the lower-left from described first pair of guide-track groove 202 and bottom right more inside horizontally extending kink form.The hollow, rectangular framework 201 of a cover ladder in the adjacent two-stage cover ladder is placed in second pair of guide-track groove 203 of another set of ladder, to form the nested of this adjacent two-stage cover ladder.
Preferably, also comprise in the above-mentioned escalator structure: the first guiding projection 204, from the top of described rectangle framework 201 to upper process, the upper left and upper right extension arm in the end of wherein said the first guiding projection 204 and the described first pair of guide-track groove 202 is in same plane.
In addition, in above-mentioned escalator structure, can also comprise: the second guiding projection 205, from the bottom of described rectangle framework 201 to upper process and axially symmetrical along axis and described first guiding projection 204 of the vertical direction of described rectangle framework 201, wherein said the second guiding projection 205 is identical from described rectangle framework 201 extended length with described the first guiding projection 204 from described rectangle framework 201 extended length.
More preferably, can also further be provided with at the crooked place place of described kink T-shaped port recess 206, described T-shaped port recess 206 is extended laterally from described crooked place.
The escalator structure of uniqueness of the present invention can obtain larger area of contact and auxiliary guide frame so that adjacent two-stage is overlapped between the ladder, thereby can improve stability and the reliability of equipment package.
Above-described embodiment provides to those of ordinary skills and realizes or use of the present invention; those of ordinary skills can be in the situation that do not break away from invention thought of the present invention; above-described embodiment is made various modifications or variation; thereby protection scope of the present invention do not limit by above-described embodiment, and should be the maximum range that meets the inventive features that claims mention.
Claims (5)
1. an escalator structure that is used for the lifting mode job platform is made of nested each other multistage cover ladder, and the cross-sectional plane of described cover ladder comprises:
The rectangle framework of hollow;
First pair of guide-track groove, the extension arm that is extended outward respectively by the up and down both sides of two sides from about the rectangle framework of described hollow forms; And
Second pair of guide-track groove, after being extended vertically downward by the top of the extension arm of the lower-left from described first pair of guide-track groove and bottom right more inside horizontally extending kink form,
Wherein, the hollow, rectangular framework of a cover ladder in the adjacent two-stage cover ladder is placed in second pair of guide-track groove of another set of ladder, to form the nested of this adjacent two-stage cover ladder.
2. escalator structure as claimed in claim 1 is characterized in that, also comprises:
The first guiding projection, from the top of described rectangle framework to upper process, the upper left and upper right extension arm in the end of wherein said the first guiding projection and the described first pair of guide-track groove is in same plane.
3. escalator structure as claimed in claim 2 is characterized in that, also comprises:
The second guiding projection, from the bottom of described rectangle framework to upper process and axially symmetrical along axis and described first guiding projection of the vertical direction of described rectangle framework, wherein said the second guiding projection is identical from the extended length of described rectangle framework with described the first guiding projection from the extended length of described rectangle framework.
4. escalator structure as claimed in claim 3 is characterized in that, further is provided with T-shaped port recess at the crooked place place of described kink, and described T-shaped port recess is extended laterally from described crooked place.
5. lifting mode job platform comprises:
Platform base;
Jacking system is fixed in a side of described platform base, and described jacking system further comprises: escalator structure as claimed in claim 1, the control panel that drives the actuating device of this escalator structure, described actuating device is controlled;
The operation storehouse is fixed on the described escalator structure; And
Lock handle is arranged at the opposite side of described platform base, and described lock handle and described escalator structure mechanical connection are to drive the locking piece on the transmission hinge in the described escalator structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104662219A CN102923620A (en) | 2012-11-18 | 2012-11-18 | Lifting type work platform and lifting ladder structure of lifting type work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104662219A CN102923620A (en) | 2012-11-18 | 2012-11-18 | Lifting type work platform and lifting ladder structure of lifting type work platform |
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| Publication Number | Publication Date |
|---|---|
| CN102923620A true CN102923620A (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104662219A Pending CN102923620A (en) | 2012-11-18 | 2012-11-18 | Lifting type work platform and lifting ladder structure of lifting type work platform |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515945A (en) * | 1994-04-18 | 1996-05-14 | Genie Industries, Inc. | Multi-stage mast assembly for portable lifts |
| CN2404865Y (en) * | 1999-12-01 | 2000-11-08 | 北京起重机器厂高空作业平台厂 | Platform for work high above ground |
| CN201087117Y (en) * | 2007-07-30 | 2008-07-16 | 吴继生 | Movable nestification type elevator |
| CN201729641U (en) * | 2010-07-27 | 2011-02-02 | 徐州重型机械有限公司 | Lifting operation vehicle and telescopic arm rack set thereof |
-
2012
- 2012-11-18 CN CN2012104662219A patent/CN102923620A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515945A (en) * | 1994-04-18 | 1996-05-14 | Genie Industries, Inc. | Multi-stage mast assembly for portable lifts |
| DE69517734T2 (en) * | 1994-04-18 | 2000-11-09 | Genie Industries Inc., Redmond | Multi-stage boom for a portable lifting device |
| CN2404865Y (en) * | 1999-12-01 | 2000-11-08 | 北京起重机器厂高空作业平台厂 | Platform for work high above ground |
| CN201087117Y (en) * | 2007-07-30 | 2008-07-16 | 吴继生 | Movable nestification type elevator |
| CN201729641U (en) * | 2010-07-27 | 2011-02-02 | 徐州重型机械有限公司 | Lifting operation vehicle and telescopic arm rack set thereof |
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Application publication date: 20130213 |