CN103216191A - Movable ladder for floating wharf - Google Patents
Movable ladder for floating wharf Download PDFInfo
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- CN103216191A CN103216191A CN2013101084067A CN201310108406A CN103216191A CN 103216191 A CN103216191 A CN 103216191A CN 2013101084067 A CN2013101084067 A CN 2013101084067A CN 201310108406 A CN201310108406 A CN 201310108406A CN 103216191 A CN103216191 A CN 103216191A
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- pulley
- lower beam
- landing stage
- beam frames
- roof beam
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Abstract
The invention relates to a movable ladder for a floating wharf. The movable ladder comprises a fixed section and a movable section. The movable ladder is characterized in that the movable section comprises two upper beam frames, two lower beam frames, step pedals, first pulleys and second pulleys, wherein the two upper beam frames are in parallel and obliquely arranged at both sides of the movable ladder, and the top ends of the two upper beam frames are articulated with the fixed section through hinge shafts; the two lower beam frames are in parallel and obliquely arranged at both sides of the movable ladder; the step pedals are sequentially and horizontally arranged between the upper beam frames and the lower beam frames at intervals from top to bottom, and both sides of the step pedals are respectively articulated with the upper beam frames and the lower beam frames; the first pulleys are arranged on the bottom ends of the upper and lower beam frames and positioned in pulley sliding grooves in a floating bridge; the second pulleys are arranged on the top ends of the lower beam frames and positioned in a guide sliding groove in the fixed section; and pulley shafts of the second pulleys and the hinge shafts are positioned at a same horizontal height. According to the invention, a light movable ladder shape is adopted, a parallelogram principle is applied, and a step surface is kept almost parallel with a horizontal plane all the time during tide rising and ebbing, so that the potential safety hazards of wharfmen on the wharf floating up or down are greatly reduced.
Description
Technical field
The present invention relates to the landing stage, relate in particular to a kind of landing stage mobile ladder.
Background technology
For ease of people's harbour that fluctuates, interface channel all is installed between landing stage and the embankment, and interface channel generally all is the ladder passage.Such as the patent No. is that ZL200620063525.0(notice of authorization number is CN201010855Y) Chinese utility model patent disclosed " strut fixed combination landing stage ", this strut fixed combination landing stage, comprise a plurality of floating part that constitutes the landing stage and the trestle up and down that is connected embankment, wherein, also be provided with the rigid bracing that many groups are " eight " font between floating part and the embankment, the floating part and the embankment sidepiece of respective heights are respectively equipped with fixedly ear, the fixedly ear of rigid bracing two ends hinged floating part of difference and embankment.Can learn from the structure of this landing stage, if the bridge floor of trestle directly adopts tapered plane up and down, then when ebb tide, it is big that the gradient of tapered plane becomes, and people are fluctuated harbour must be by means of guardrail, and not only walking is quite painstaking, not comfortable not knowing where to begin, but also have serious potential safety hazard.Therefore, remain the structure of trestle up and down of existing landing stage is further improved.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned prior art present situation, no matter provide a kind of tide bulge and fall cascaded surface all can remain the landing stage mobile ladder that almost is in parastate with horizontal plane.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this landing stage mobile ladder, comprise canned paragraph and active segment, and described canned paragraph is erected between the auxiliary strut of seashore and landing stage, it is characterized in that described active segment comprises:
Last roof beam structure is two, be parallel to each other and obliquely be located at the mobile ladder both sides, and the top is hinged by hinge axis and the canned paragraph that is erected at the auxiliary strut end;
Lower beam frame is two, is parallel to each other and the oblique mobile ladder both sides of being located at, and corresponding one by one up and down with described last roof beam structure;
The step pedal, along last roof beam structure and lower beam frame from top to bottom successively the horizontal interval be arranged between roof beam structure and the lower beam frame, and the both sides of step pedal are articulated in roof beam structure and lower beam frame respectively;
First pulley is installed in the bottom of roof beam structure and lower beam frame, on the pontoon bridge of landing stage, be provided with level to the pulley chute, described first pulley is positioned in this pulley chute and along with moving up and down of pontoon bridge and moves horizontally along the pulley chute;
And second pulley, be installed in the top of lower beam frame, on the canned paragraph that is set up in the auxiliary strut end, be provided with level to guide chute, described second pulley is positioned in this guide chute, and the pulley spindle of second pulley and described hinge axis are in same level height.
Preferably, described canned paragraph and active segment adopt " it " font structural configuration.
For the personnel that make the harbour that fluctuates walk more steady and sure, the safety of sensation on the step pedal, be fixed with base plate in the bottom of described lower beam frame.
For the harbour that fluctuates safer, be positioned at the mobile ladder both sides on safety guide rail is installed on the roof beam structure.
In order to prolong the application life of mobile ladder, the coating that the external coating of roof beam structure, lower beam frame, step pedal, base plate and safety guide rail has sea water resistance and sea wind to corrode on described.
In order to reduce the friction level of pulley, the hard resin wheel that described first pulley and second pulley adopt sea water resistance and sea wind to corrode.
Compared with prior art, the invention has the advantages that: this landing stage mobile ladder adopts light and handy moving stair shape, use parallelogram principle, no matter tide bulge and fall, the cascaded surface of moving stair remains with horizontal plane and almost is in parastate, greatly reduces the harbour personnel's of fluctuating potential safety hazard, and, by base plate is installed, can be allowed fluctuate the sensation having peace of mind relatively of harbour personnel underfooting, light, safety on lower beam frame.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the structural representation of the embodiment of the invention when pontoon bridge descends;
Fig. 3 is the vertical view of the embodiment of the invention;
Fig. 4 is an active segment of the present invention and the partial schematic diagram that is connected place, location structure of canned paragraph;
Fig. 5 is an active segment of the present invention and the partial top view that is connected place, location structure of canned paragraph;
Fig. 6 is the partial schematic diagram of place, the pulley chute location structure of active segment of the present invention and pontoon bridge;
Fig. 7 is the partial top view of place, the pulley chute location structure of active segment of the present invention and pontoon bridge.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1 to 7, landing stage mobile ladder in the present embodiment includes canned paragraph 1 and the active segment 2 that is " it " font structural configuration, wherein, one end of canned paragraph 1 is erected on the hard base of seashore, the other end is erected on the auxiliary strut 9 of landing stage, and active segment 2 specifically includes assemblies such as roof beam structure 3, lower beam frame 4, step pedal 5, first pulley 6 and second pulley 7.Last roof beam structure 3 is two, be parallel to each other and the oblique mobile ladder both sides of being located at, and upward the top of roof beam structure 3 is hinged by hinge axis 8 and the canned paragraph that is erected at auxiliary strut 9 ends, and the bottom of lower beam frame 4 is equipped with first pulley 6; Lower beam frame 4 is two, be parallel to each other and the oblique mobile ladder both sides of being located at, and it is corresponding one by one up and down with last roof beam structure 3, second pulley 7 is installed on the top of lower beam frame 4, the canned paragraph 1 that is set up in auxiliary strut 9 ends is provided with the guide chute 12 of horizontal distribution, second pulley 7 is positioned in this guide chute 12, and the pulley spindle 13 and the hinge axis 8 of second pulley 7 are in same level height.In addition, the top of lower beam frame 4 also can be articulated in canned paragraph 1 by hinge axis.On the pontoon bridge 10 of landing stage, be provided with the pulley chute 11 of horizontal distribution, first pulley 6 that is installed in roof beam structure 3 bottoms and lower beam frame 4 bottoms is positioned in this pulley chute 11, and can move horizontally along pulley chute 11 along with moving up and down of pontoon bridge 10.Last roof beam structure 3 and lower beam frame 4 from top to bottom successively the horizontal interval step pedal 5 is set, the two ends of step pedal 5 are articulated in roof beam structure 3 and lower beam frame 4 respectively.
For the personnel that make the harbour that fluctuates walk more steady and sure, the safety of sensation on the step pedal, be fixed with the base plate (not shown) in the bottom of lower beam frame 4.Be positioned at the mobile ladder both sides on safety guide rail 14 is installed on the roof beam structure 3, people can hold up when fluctuating harbour on safety guide rail 14, it is safer to walk.In addition, in order to prolong the application life of mobile ladder, the coating of sea water resistance and sea wind erosion is arranged at the external coating of metalworks such as last roof beam structure 3, lower beam frame 4, step pedal 5, base plate and safety guide rail 14.In order to reduce the friction level of pulley, the hard resin wheel that first pulley 6 and second pulley 7 adopt sea water resistance and sea wind to corrode.
Mobile ladder operating principle: during tidal bulge, pontoon bridge 10 moves up, first pulley 6 moves horizontally to the direction away from canned paragraph 1, simultaneously, last roof beam structure 3 and lower beam frame 4 relative fixed sections 1 are upwards rotated synchronously, the angle of promptly going up roof beam structure 3 and lower beam frame 4 and horizontal plane diminishes, by Fig. 4 and Fig. 6 as can be known, last roof beam structure 3, lower beam frame 4 surrounds the formation parallelogram sturcutre with the sidepiece of adjacent two step pedals 5, and, because the both sides of step pedal 5 are articulated in roof beam structure 3 and lower beam frame 4 respectively, thereby along with the rotation of last roof beam structure 3 and lower beam frame 4, step pedal 5 can remain with horizontal plane and almost be in parallel state, thereby be convenient for people to the harbour that fluctuates, reduce the potential safety hazard of the harbour that fluctuates greatly.During ebb tide, first pulley 6 is towards moving horizontally near the direction of canned paragraph 1, and step pedal 5 also can remain with horizontal plane and almost is in parallel state, and the concrete structure principle is identical during with tidal bulge, gives unnecessary details no longer in detail at this.
Claims (6)
1. a landing stage mobile ladder comprises canned paragraph (1) and active segment (2), and described canned paragraph (1) is erected between the auxiliary strut (9) of seashore and landing stage, it is characterized in that described active segment (2) comprising:
Last roof beam structure (3) is two, be parallel to each other and obliquely be located at the mobile ladder both sides, and the top is hinged by hinge axis (8) and the canned paragraph (1) that is erected at auxiliary strut (9) end;
Lower beam frame (4) is two, is parallel to each other and the oblique mobile ladder both sides of being located at, and corresponding one by one up and down with described last roof beam structure (3);
Step pedal (5), along last roof beam structure (3) and lower beam frame (4) from top to bottom successively the horizontal interval be arranged between roof beam structure (3) and the lower beam frame (4), and the both sides of step pedal (5) are articulated in roof beam structure (3) and lower beam frame (4) respectively;
First pulley (6), be installed in the bottom of roof beam structure (3) and lower beam frame (4), on the pontoon bridge (10) of landing stage, be provided with level to pulley chute (11), described first pulley is positioned in this pulley chute (11) and moves horizontally along pulley chute (11) along with moving up and down of pontoon bridge (10);
And second pulley (7), be installed in the top of lower beam frame (4), on the described canned paragraph (1) that is set up in the auxiliary strut end, be provided with level to guide chute (12), described second pulley (7) is positioned in this guide chute (12), and the pulley spindle (13) of second pulley (7) is in same level height with described hinge axis (8).
2. landing stage according to claim 1 mobile ladder is characterized in that described canned paragraph (1) and active segment (2) adopt " it " font structural configuration.
3. landing stage according to claim 1 mobile ladder is characterized in that being fixed with base plate in the bottom of described lower beam frame (4).
4. landing stage according to claim 1 mobile ladder, it is characterized in that be positioned at the mobile ladder both sides on safety guide rail (14) is installed on the roof beam structure (3).
5. landing stage according to claim 4 mobile ladder is characterized in that the coating that the external coating of roof beam structure (3), lower beam frame (4), step pedal (5), base plate and safety guide rail (14) on described has sea water resistance and sea wind to corrode.
6. according to the described landing stage of arbitrary claim mobile ladder in the claim 1 to 5, it is characterized in that the hard resin wheel that described first pulley (6) and second pulley (7) adopt sea water resistance and sea wind to corrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101084067A CN103216191A (en) | 2013-03-29 | 2013-03-29 | Movable ladder for floating wharf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101084067A CN103216191A (en) | 2013-03-29 | 2013-03-29 | Movable ladder for floating wharf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103216191A true CN103216191A (en) | 2013-07-24 |
Family
ID=48814308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101084067A Pending CN103216191A (en) | 2013-03-29 | 2013-03-29 | Movable ladder for floating wharf |
Country Status (1)
| Country | Link |
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| CN (1) | CN103216191A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590506A (en) * | 2018-05-18 | 2018-09-28 | 龙源（北京）风电工程设计咨询有限公司 | A kind of offshore wind farm O＆M reversible climbing ladder apparatus and method |
| CN110145221A (en) * | 2019-03-01 | 2019-08-20 | 东南大学 | A kind of adjusting pedal working stand |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200981633Y (en) * | 2006-12-08 | 2007-11-28 | 姜堰市船舶舾装件有限公司 | Wharf ladder shifting device |
| CN201023633Y (en) * | 2007-04-20 | 2008-02-20 | 中国人民解放军镇江船艇学院 | Vessel self-adjusting step accommodation ladder |
| US7637350B2 (en) * | 2003-05-23 | 2009-12-29 | Interstate Equipment Corporation | Portable barge access ladder |
| CN201721601U (en) * | 2010-06-18 | 2011-01-26 | 中国长江航运集团江东船厂 | Step-structure of boarding ladder |
| CN203270437U (en) * | 2013-03-29 | 2013-11-06 | 浙江海洋学院 | Movable ladder for floating pier |
-
2013
- 2013-03-29 CN CN2013101084067A patent/CN103216191A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7637350B2 (en) * | 2003-05-23 | 2009-12-29 | Interstate Equipment Corporation | Portable barge access ladder |
| CN200981633Y (en) * | 2006-12-08 | 2007-11-28 | 姜堰市船舶舾装件有限公司 | Wharf ladder shifting device |
| CN201023633Y (en) * | 2007-04-20 | 2008-02-20 | 中国人民解放军镇江船艇学院 | Vessel self-adjusting step accommodation ladder |
| CN201721601U (en) * | 2010-06-18 | 2011-01-26 | 中国长江航运集团江东船厂 | Step-structure of boarding ladder |
| CN203270437U (en) * | 2013-03-29 | 2013-11-06 | 浙江海洋学院 | Movable ladder for floating pier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590506A (en) * | 2018-05-18 | 2018-09-28 | 龙源（北京）风电工程设计咨询有限公司 | A kind of offshore wind farm O＆M reversible climbing ladder apparatus and method |
| CN110145221A (en) * | 2019-03-01 | 2019-08-20 | 东南大学 | A kind of adjusting pedal working stand |
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Application publication date: 20130724 |