CN201400295Y - Rotary pedal type boarding ladder device - Google Patents
Rotary pedal type boarding ladder device Download PDFInfo
- Publication number
- CN201400295Y CN201400295Y CN2009200963634U CN200920096363U CN201400295Y CN 201400295 Y CN201400295 Y CN 201400295Y CN 2009200963634 U CN2009200963634 U CN 2009200963634U CN 200920096363 U CN200920096363 U CN 200920096363U CN 201400295 Y CN201400295 Y CN 201400295Y
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- China
- Prior art keywords
- pedal
- thick stick
- long thick
- moving long
- ladder
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- 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 - Lifetime
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Abstract
The utility model provides a rotary pedal type boarding ladder device, which comprises a ladder body part, a movable long lever and pedal part and a roller and front hook plate part. Front hook platesare arranged on the two sides of the upper end of the ladder body part, two roller end base plates are arranged at the lower end of the ladder body part, and a roller wheel is arranged between the two roller end base plates. The rotary pedal type boarding ladder device can ensure the safety of embarking/disembarking staff. Especially in winter or in case that the angle between the ladder and theground is very wide, the superiority of rotary pedal type boarding ladder device can be reflected more. Staff participating in production can feel more the humanistic concern concept of people first.The boarding ladder device uses the movable lever device to manually adjust the angle between the pedal and the ground to enable the pedal to be parallel to the ground zero-degree angle, so that the impact due to tide and height difference of the shipboard is eliminated and the embarking/disembarking staff has a feeling of safety like walking on fixed stairs.
Description
Technical field
The utility model relates to the rotary boarding ladder device of a kind of pedal.
Background technology
1. everyly advance the boats and ships that shipyard is repaired, all need to rest in the shipyard quayside.Between ship and ground, need to set up the ladder of going on board and supply the upper and lower ship of personnel.
Setting up the boarding ladder between ground and ship and the size of ground angle is the problem that people pay close attention to most, and this angle had better not be too big, generally should be between 30 ° ~ 50 °.In general, ladder and ground-surface angle are more little, are beneficial to the upper and lower ship of personnel more, and safety is also high; Ladder and ground-surface angle are big more, are unfavorable for the upper and lower ship of personnel more, and safety is also poor.
Yet the actual size of advancing factory's boats and ships is different, and the height of ship side is also inequality, and the influence of seawer tide phenomenon in addition causes pedaling ship's ladder and ground-surface angle and be not all within than safe range, and angle sometimes reaches about 70 ° unexpectedly.At the upper and lower ship of this angle, on the people, just there is obstacle, safety can not be effectively guaranteed.Particularly in the winter time, because the ladder surface is more sliding, personnel's upper and lower ship under the situation of ladder big angle definitely is very a difficulty and a dangerous thing.Though this situation is not a common phenomena, with regard to the fact that has occurred in the past, people's suggestion still is sizable, and particularly the shipowner often proposes view.
Generally aboard ship, the ladder between the upper and lower floor of superstructure is all fixed, and the pedal plane all is parallel with ground (deck), and pedal also has certain width, and the upper and lower nothing of personnel is appointed and problem.And set up between ground and ship boarding ladder and ground-surface corner dimension is that morning and evening tides along with seawater is at every moment all changing.Suppose at boarding ladder pedal is set, then the pedal plane can be all not parallel to the ground constantly yet, and the personnel of upper and lower ship are much felt disadvantageous, and boarding ladder is not provided with the former of fixed pedestal and therefore is this yet.
The no pedal in boarding ladder surface that is using at present for anti-skidding, has expanded metal lath in old terraced surface arrangement, has also welded some 30 * 30 square steel bars on the surface of expanded metal lath, to play skidproof effect.Normally this old-fashioned boarding ladder is simple and practical, is not having use in particular cases, should be still passable; Yet when the very big situation of this boarding ladder and ground angle occurred, old-fashioned boarding ladder just showed unsafe hidden danger, was badly in need of the boarding ladder of the new-type structure of exploitation, was beneficial to solve this hidden danger.
Summary of the invention
For solving the problem that exists in above-mentioned, the utility model provides a kind of pedal rotary boarding ladder device, for the personnel of upper and lower ship provide safe assurance, has both guaranteed production, has embodied the theory that people-oriented again.
For realizing goal of the invention, the technical solution adopted in the utility model provides the rotary boarding ladder device of a kind of pedal, and wherein: this apparatus structure includes ladder body part, moving long thick stick and pedal part, roller and front hook plate portion;
Described ladder body part includes: channel-section steel, T type beam, angle steel, grab rail, compound plate, expanded metal lath, described channel-section steel is two laid parallels, many T type beams of vertical betwixt placement and channel-section steel are connected and fixed, just form a framed structure with a plurality of square holes, between the diagonal angle of each square hole, connect as the angle steel that tiltedly draws support, the column of described channel-section steel and grab rail is connected and fixed, between the column of described each grab rail and channel-section steel, be provided with the compound plate of additional strengthening intensity, be covered with expanded metal lath on the surface of described framed structure;
Described moving long thick stick and tread portion separation structure include: leading screw, nut, the leading screw base for supporting, the moving long thick stick, moving long thick stick backup bearing, mobile rocker bar bearing, mobile hinge pin, the moveable hinge chain rivet, the pedal strut bar, the fixed hinge axle, the fixed hinge axle bearing, pedal, the lateral surface of described channel-section steel and above equally spaced respectively a plurality of moving long thick stick backup bearings and the fixed hinge axle bearing of being provided with, described moving long thick stick is installed in respectively in a plurality of moving long thick stick backup bearings of two lateral surfaces of channel-section steel
Between per two described fixed hinge axle bearings, be provided with the moveable hinge chain rivet, described pedal is captiveed joint with the moveable hinge chain rivet, the fixed hinge axle is passed two holes of pedal and the hole of two fixed hinge axle bearings, and Spring Card is installed in the groove at fixed hinge axle two ends, in case scurry out with deciding hinge axis;
Between moving long thick stick and pedal, be provided with the pedal strut bar, the pedal strut bar is the two power rod members in door assembly with hinge and glass in right hand and left hole, two ends, one end of pedal strut bar is hinged with the moveable hinge chain rivet that is fixed on the pedal, and Spring Card is contained in the groove at moveable hinge chain rivet two ends, with slip-off preventing; The other end of pedal strut bar be sleeved on the mobile rocker bar bearing on the moving long thick stick and be hinged by mobile hinge pin, for preventing coming off of hinge pin, Spring Card also is housed at the two ends of hinge pin;
The both sides, upper end of described ladder body part are provided with anterior hook plate, and the lower end of described ladder body part is provided with two roller end seat boards, between two running roller end seat boards running roller is housed.
Effect of the present utility model is the rotary boarding ladder device of pedal, and the personnel of upper and lower ship are guaranteed on safety.Particularly when very big, more can embody the superior part of the rotary boarding ladder of pedal with ladder and ground-surface angle in the winter time.Make people participating in production simultaneously, more feel a kind of care theory that people-oriented.This boarding ladder utilizes the truck live lever device, artificially regulates pedal and ground-surface angle, make it become parastate (zero angle) with ground, thereby has eliminated the influences of morning and evening tides and different height ship sides, makes the personnel of upper and lower ship that a kind of walking in the fixing sense of security of stair be arranged.
Description of drawings
Fig. 1 is the rotary boarding ladder apparatus structure of a pedal of the present utility model front view;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the left view of Fig. 1.
Among the figure:
1, running roller 2, leading screw 3, nut 4, leading screw base for supporting 5, moving long thick stick
6, square steel tread plate 7, moving long thick stick backup bearing 8, mobile hinge base
9, mobile hinge pin 10, moveable hinge chain rivet 11, pedal strut bar
12, fixed hinge axle 13, fixed hinge axle bearing 14, pedal 15, expanded metal lath
16, grab rail 17, compound plate 18, ladder front end hook plate 19, channel-section steel
20, T type beam 21, running roller end seat board 22, angle steel
The specific embodiment
Reaching embodiment in conjunction with the accompanying drawings is illustrated the rotary boarding ladder device of pedal of the present utility model.
As shown in Figure 1 and Figure 2, this device mainly contains three parts composition:
1. the ladder body part has: channel-section steel 19, T type beam 20, angle steel 22, expanded metal lath 15, grab rail 16, compound plate 17, square steel tread plate 6.
2. moving long thick stick and pedal partly have: leading screw 2, nut 3, leading screw base for supporting 4, moving long thick stick 5, moving long thick stick backup bearing 7, mobile hinge 8, mobile hinge pin 9, moveable hinge chain rivet 10, pedal strut bar 11, fixed hinge axle 12, fixed hinge axle bearing 13, pedal 14.
3, roller and front hook plate portion: running roller 1, ladder front end hook plate 18, running roller end seat board 21.
This device is made up of a plurality of zero members: 1 one of rollers, 2 two of leading screws, 3 two on nut, 4 seven ten eight of leading screw base for supporting, 5 two on moving long thick stick, 6 two of square steel tread plates, 7 seven ten eight of moving long thick stick backup bearings, 8 seven ten eight of mobile rocker bar bearings, 9 seven ten eight of mobile hinge pin, 10 78 of moveable hinge chain rivets, 11 78 of pedal strut bars, fixed hinge axle 12 3 nineteens, 13 78 of fixed hinge axle bearings, pedal 14 3 nineteens, expanded metal lath 15 20 square meters, 16 90 meters of grab rails, 17 44 of compound plates, 18 2 of ladder front end hook plates, 19 2 in channel-section steel, 20 22 on T type beam, 21 2 of roller end seat boards, 22 21 in angle steel.
The concrete connection of the rotary boarding ladder device of pedal of the present utility model is:
With two channel-section steel 19 laid parallels, it is fixing with channel-section steel 19 welding vertically to place 22 T type beams 20 betwixt earlier, and the distance of per two T type beams 20 is 840mm.After welding finishes, can form the framed structure of 21 oblong aperture, for preventing the distortion of framed structure, the welding angle steel is 22 1 between the diagonal angle of each square hole, as tiltedly drawing support, to increase the rigidity of ladder framework.The column and the welding of channel-section steel 19 upper surfaces of grab rail 16 is fixing, be additional strengthening intensity, between each handrail 16 column and channel-section steel 19,17 1 of compound plates are set, at last again with on the framework surface, expanded metal lath 15 shop.Because the restriction of objective condition can not be furnished with pedal 14 in the ladder bottom, but for the skidproof reason of safety, 6 two of welding square steel tread plates.
With moving long thick stick backup bearing 7 and fixed hinge axle bearing 13, by the figure paper size be welded on channel-section steel 19 two sides and above, necessarily guarantee the right alignment of bearing hole.Welding behind leading screw 2 insertion moving long thick sticks 5 bottoms is fixing, then, allow the upper end of moving long thick stick 5 from moving long thick stick backup bearing 7 holes, pass successively, 39 holes altogether, whenever pass a bearing hole and all want mobile rocker bar bearing 8 of suit, overlap 39 altogether, both between per two long thick stick backup bearings 7 a mobile rocker bar bearing 8 was just arranged, the two becomes alternate layout.For realizing moving long thick stick moving when the operating mode, the leading screw 2 that has welded in the lower end of moving long thick stick, nut 3 and leading screw base for supporting 4 threes form the screw pair dingus: during installation, nut 3 and leading screw base for supporting 4 covers are installed, and with nut 3 screw-in leading screws 2, it is fixing with the welding of channel-section steel 19 sides with leading screw base for supporting 4 to press the figure paper size.Arrive this, moving long thick stick system installs, and the shift motion of moving long thick stick 5 is 130mm.
Pedal 14 and moveable hinge chain rivet 10 weld by drawing fix, the pedal 14 that will have moveable hinge chain rivet 10 then is placed on per two fixed hinge axle bearings 13.Previous all fixed hinge axle bearings 13 being welded in two separate ranks between two channel-section steels top, fixed hinge axle 12 is passed two holes and two fixed hinge axle bearing 13 holes of pedal 14, and Spring Card (figure do not show) is contained in the groove at two ends of fixed hinge axle 12, in case fixed hinge axle 12 is scurried out.In such a way, 39 pedals 14 are in place.
Along with finishing of above-mentioned work, next the attaching parts between moving long thick stick 5 and the pedal 14 will be installed: pedal strut bar 11.Pedal strut bar 11 is the two power rod members in door assembly with hinge and glass in right hand and left hole, two ends, and an end and the solid welding moveable hinge chain rivet 10 on pedal 14 is hinged, and Spring Card is contained in the groove at moveable hinge chain rivet 10 two ends, with slip-off preventing; The other end be sleeved on the mobile rocker bar bearing 8 on the moving long thick stick 5 and be hinged by mobile hinge pin 9, for preventing coming off of hinge pin 9, Spring Card also is housed at the two ends of hinge pin 9.Next, need mobile rocker bar bearing 8 fixing: need before the welding moving long thick stick 2 is moved to bottom with 2 welding of moving long thick stick, then with mobile rocker bar bearing 8 to be displaced downwardly to collide with moving long thick stick backup bearing 7 till, and, weld its two ends fixing respectively subsequently with the levelling of mobile rocker bar bearing 8 positions.
Consider that the ladder front end will ride on the ship side, so the anterior hook plate 18 of two ladders will be welded in the ladder upper end; Because the effect of morning and evening tides, boats and ships also can upper and lowerly float, and finally cause ladder lower end and contact position, ground, relative moving occur with ground.For reducing moving resistance,, and between two running roller end seat boards 21, running roller 1 is housed at two roller end seat boards 21 of the lower end of ladder welding.
After above-mentioned work was finished, integral installation finished.The stair treads rotary principle is as follows: as described above, moving long thick stick 5 and pedal 14 parts are cores of pedaling ship's ladder.During use, utilize spanner swivel nut 3, owing to nut 3 can only rotate in the original place, so impel the sway of leading screw 2 and moving long thick stick 5.One pedal strut bar 11 is arranged between moving long thick stick 5 and pedal 14, strut bar 11 is the two power bars in door assembly with hinge and glass in right hand and left hole, two ends, wherein the moveable hinge chain rivet 10 of a hole and pedal 14 is hinged, and the other end is hinged with the mobile rocker bar bearing 8 that is welded on the mobile stock 5.When mobile stock 5 moves, drive pedal strut bar 11 and make plane motion, and then drive pedal 14 around 12 rotations of fixed hinge axle.More than be the rotary principle of pedal 14.
The rotary boarding ladder device of pedal of the present utility model operation instructions:
1), each bearing place is filled freshened lubricating grease.
2), with nut, leading screw place coating lubricating oil fat.
3), use the spanner swivel nut, make that the moving long thick stick is upper and lower to be moved, check whether slide fast.
4), ladder is ridden on the ship side, see whether look into pedal parallel to the ground, if not parallel, promptly rotatable nut and drive moving of leading screw and moving long thick stick makes pedal be rotated into horizontality.
Claims (5)
1, the rotary boarding ladder device of a kind of pedal is characterized in that: this apparatus structure includes ladder body part, moving long thick stick and pedal part, roller and front hook plate portion;
Described ladder body part includes: channel-section steel (19), T type beam (20), angle steel (22), grab rail (16), compound plate (18), expanded metal lath (15), described channel-section steel (19) is two laid parallels, vertical many T type beams of placement (20) are connected and fixed with channel-section steel (19) betwixt, just form a framed structure with a plurality of square holes, between the diagonal angle of each square hole, connect as the angle steel (22) that tiltedly draws support, described channel-section steel (19) is connected and fixed with the column of grab rail (16), between the column of described each grab rail (16) and channel-section steel (19), be provided with the compound plate (17) of additional strengthening intensity, be covered with expanded metal lath (15) on the surface of described framed structure;
Described moving long thick stick and tread portion separation structure include: leading screw (2), nut (3), leading screw base for supporting (4), moving long thick stick (5), moving long thick stick backup bearing (7), mobile rocker bar bearing (8), mobile hinge pin (9), moveable hinge chain rivet (10), pedal strut bar (11), fixed hinge axle (12), fixed hinge axle bearing (13), pedal (14), the lateral surface of described channel-section steel (19) and above equally spaced respectively a plurality of moving long thick stick backup bearings (7) and the fixed hinge axle bearing (13) of being provided with, described moving long thick stick (5) is installed in respectively in a plurality of moving long thick stick backup bearings (7) of two lateral surfaces of channel-section steel (19)
Between per two described fixed hinge axle bearings (13), be provided with moveable hinge chain rivet (10), described pedal (14) is captiveed joint with moveable hinge chain rivet (10), fixed hinge axle (12) is passed two holes of pedal (14) and the hole of two fixed hinge axle bearings (13), and Spring Card is installed in the groove at fixed hinge axle (12) two ends, in case fixed hinge axle (12) is scurried out;
Between moving long thick stick (5) and pedal (14), be provided with pedal strut bar (11), pedal strut bar (11) is the two power rod members in door assembly with hinge and glass in right hand and left hole, two ends, one end of pedal strut bar (11) is hinged with the moveable hinge chain rivet (10) that is fixed on the pedal (14), and Spring Card is contained in the groove at moveable hinge chain rivet (10) two ends, with slip-off preventing; The other end of pedal strut bar (11) also is hinged by mobile hinge pin (9) with the mobile rocker bar bearing (8) that is sleeved on the moving long thick stick (5), for preventing coming off of hinge pin (9), at the two ends of hinge pin (9) Spring Card is housed also;
The both sides, upper end of described ladder body part are provided with anterior hook plate (18), and the lower end of described ladder body part is provided with two roller end seat boards (21), and running roller (1) is housed between two running roller end seat boards (21).
2, the rotary ship's ladder device of pedaling of pedal according to claim 1 is characterized in that: each column of described grab rail (16) and channel-section steel (19) connecting portion are provided with the compound plate (17) of reinforcing.
3, the rotary ship's ladder device of pedaling of pedal according to claim 1 is characterized in that: the axle center of described a plurality of moving long thick stick backup bearings (7) and fixed hinge axle bearing (13) is in-line respectively.
4, the rotary ship's ladder device of pedaling of pedal according to claim 1, it is characterized in that: the shift motion of described moving long thick stick (5) is 130mm.
5, the rotary ship's ladder device of pedaling of pedal according to claim 1 is characterized in that: be provided with tread plate (6) in the tread bottom of described framed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200963634U CN201400295Y (en) | 2009-04-17 | 2009-04-17 | Rotary pedal type boarding ladder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200963634U CN201400295Y (en) | 2009-04-17 | 2009-04-17 | Rotary pedal type boarding ladder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201400295Y true CN201400295Y (en) | 2010-02-10 |
Family
ID=41660092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200963634U Expired - Lifetime CN201400295Y (en) | 2009-04-17 | 2009-04-17 | Rotary pedal type boarding ladder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201400295Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922200A (en) * | 2012-11-15 | 2013-02-13 | 河南省恒远起重机械集团有限公司 | Welding tool for inclined ladder of crane |
| CN103523177A (en) * | 2013-10-28 | 2014-01-22 | 江苏熔盛重工有限公司 | Boarding platform connection set |
| CN103523178A (en) * | 2013-10-28 | 2014-01-22 | 江苏熔盛重工有限公司 | Moving accommodation ladder security protection device |
| CN106516030A (en) * | 2016-12-13 | 2017-03-22 | 浙江海洋大学 | Movable wharf |
| CN107650803A (en) * | 2017-08-16 | 2018-02-02 | 上海机电工程研究所 | Upper-turn-type band railing Working pedal |
| CN112061317A (en) * | 2020-09-04 | 2020-12-11 | 中船黄埔文冲船舶有限公司 | Balanced gangway ladder with adjustable footboard |
-
2009
- 2009-04-17 CN CN2009200963634U patent/CN201400295Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922200A (en) * | 2012-11-15 | 2013-02-13 | 河南省恒远起重机械集团有限公司 | Welding tool for inclined ladder of crane |
| CN102922200B (en) * | 2012-11-15 | 2015-04-22 | 河南省恒远起重机械集团有限公司 | Welding tool for inclined ladder of crane |
| CN103523177A (en) * | 2013-10-28 | 2014-01-22 | 江苏熔盛重工有限公司 | Boarding platform connection set |
| CN103523178A (en) * | 2013-10-28 | 2014-01-22 | 江苏熔盛重工有限公司 | Moving accommodation ladder security protection device |
| CN103523178B (en) * | 2013-10-28 | 2015-12-02 | 江苏熔盛重工有限公司 | Ramp safety guard |
| CN103523177B (en) * | 2013-10-28 | 2015-12-02 | 江苏熔盛重工有限公司 | boarding platform connecting device |
| CN106516030A (en) * | 2016-12-13 | 2017-03-22 | 浙江海洋大学 | Movable wharf |
| CN107650803A (en) * | 2017-08-16 | 2018-02-02 | 上海机电工程研究所 | Upper-turn-type band railing Working pedal |
| CN112061317A (en) * | 2020-09-04 | 2020-12-11 | 中船黄埔文冲船舶有限公司 | Balanced gangway ladder with adjustable footboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100210 |