CN211996060U - Boarding ladder for foundation of offshore wind generating set - Google Patents
Boarding ladder for foundation of offshore wind generating set Download PDFInfo
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- CN211996060U CN211996060U CN202020207368.6U CN202020207368U CN211996060U CN 211996060 U CN211996060 U CN 211996060U CN 202020207368 U CN202020207368 U CN 202020207368U CN 211996060 U CN211996060 U CN 211996060U
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Abstract
The utility model discloses an airstairs for marine wind generating set basis, including long gangway ladder, oblique pull rod and short gangway ladder, long gangway ladder keeps the level, and the straight ladder frame fixed connection on its one end and wind generating set basis, its both sides are respectively through the upper portion fixed connection of two oblique pull rods and the straight ladder frame on wind generating set basis, and its other end is hung and is carried movable short gangway ladder, and this short gangway ladder downward sloping is taken on the working ship deck. The utility model has the advantages of simple structure, dependable performance, security are high, cost reduction, maintenance convenience, can effectively guarantee that the staff stably boards, improve unit construction operating efficiency.
Description
Technical Field
The utility model relates to a technical field of offshore wind turbine generator system basis department register fan operation especially indicates an airstair for offshore wind turbine generator system basis.
Background
In the current offshore wind power field, the foundation of a wind generating set is mostly a single pile, a plurality of piles or a jacket structure and the like. According to present infrastructure, when the staff climbed the fan, all need earlier utilize electronic or hydraulic pressure as power from the fortune dimension work ship and promote and transfer the airstairs, stride to the vertical ladder on basis again, then reach the top platform on basis, the tower section of thick bamboo bottom of unit promptly through climbing the vertical ladder. This mode of boarding can guarantee personnel's safety under the condition that the stormy waves are little, but when the stormy waves are often met in marine operation, the hull amplitude of rocking is great this moment, and this kind of mode has very big extrusion or falls into the sea risk to fortune dimension personnel's life safety, and the while production and processing cost is also higher, and later maintenance is inconvenient. Therefore, designing a simple, safe, reliable, low-cost and conveniently-maintained device for the foundation of the wind turbine is an urgent problem to be solved in the field of offshore wind power.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a simple structure, dependable performance, security height, cost reduction, the convenient airstair of maintenance for offshore wind generating set basis, can effectively guarantee that the staff stably boards, improve unit construction operating efficiency.
In order to achieve the above object, the present invention provides a technical solution: the utility model provides an airstairs for marine wind generating set basis, includes long gangway ladder, oblique pull rod and short gangway ladder, long gangway ladder keeps the level, and its one end and the vertical ladder frame fixed connection on wind generating set basis, its both sides are respectively through the upper portion fixed connection of two oblique pull rods with the vertical ladder frame on wind generating set basis, and movable short gangway ladder is hung to its other end, and this short gangway ladder downward sloping is taken on the working ship deck.
Furthermore, the bottom of the end of the long gangway ladder for hanging the short gangway ladder is provided with a buffer for preventing the impact of the working ship.
Further, long gangway ladder is by long ladder frame, backplate, prevent weighing down the guardrail and draw the dead lever to one side and constitute, long ladder frame upper berth prevents to step on empty backplate that drops, and its both sides are equipped with two rows respectively and prevent weighing down the guardrail, and the both ends of this long ladder frame are fixed horizontal pole and horizontal peg respectively, the both ends of fixed horizontal pole are respectively through two fixed staple bolts and vertical ladder frame fixed connection, horizontal peg is used for the short gangway ladder of carry, the both sides of long ladder frame are located the position department that is close to horizontal peg and are equipped with two dead levers to one side respectively for with oblique stay rod fixed connection.
Furthermore, two ends of the transverse hanging rod are respectively provided with two limiting devices, two ends of the short gangway ladder are respectively hung at two ends of the transverse hanging rod, and the hanging position and the rotation angle of the short gangway ladder are limited by the limiting devices.
Further, short gangway ladder is by short ladder frame, prevent weighing down the guardrail, convex mark time, couple and truckle are constituteed, be equipped with a plurality of convex marks time along its length direction on the short ladder frame, can increase the area of contact with the sole, guarantee the stability of climbing, its both sides are equipped with two rows respectively and prevent weighing down the guardrail, and the both sides of this short ladder frame one end are equipped with two couples respectively, carry on long gangway ladder through these two couples, and the both sides of its other end are equipped with two truckles respectively, make short gangway ladder and work ship deck plane be rolling contact.
Furthermore, one end of the diagonal draw bar is fixedly connected with the diagonal draw fixing bar of the long gangway ladder, and the other end of the diagonal draw bar is fixedly connected with the upper part of the vertical ladder rack through the fixing hoop.
Further, the diagonal draw bar comprises band steel and connecting piece, the band steel has a plurality ofly and loops through two connecting pieces and be connected, and installs the connecting axle with the one end that long gangway ladder is connected for draw the dead lever to one side with long gangway ladder and be connected.
Furthermore, the fixed hoop is formed by butt joint of a left hoop sheet and a right hoop sheet through bolts and nuts, and a through hole is formed in each of the left hoop sheet and the right hoop sheet.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
the utility model discloses simple structure, processing simple to operate is applicable to the characteristics of offshore operation, and dependable performance, security are high, cost reduction and maintenance are convenient, can freely adjust movable short gangway ladder through the design, can satisfy the fan of stepping on requirement of different sea tide levels and wave height, and need not to provide the power, satisfies the condition of the frequent outage of marine wind generating set.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the long gangway ladder of the present invention.
Fig. 3 is a schematic structural view of the short gangway ladder of the present invention.
Fig. 4 is a schematic structural view of the diagonal member of the present invention.
Fig. 5 is a schematic structural view of the fixing hoop of the present invention.
Fig. 6 is a first schematic diagram of the operation of the ventilator according to the present invention.
Fig. 7 is a second schematic diagram of the operation of the ventilator according to the present invention.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
As shown in fig. 1 to 5, the airstairs for foundation of offshore wind turbine generator system according to the present embodiment include a long airstairs 1, diagonal draw bars 2 and short airstairs 3, wherein the long airstairs 1 are kept horizontal, one end of the long airstairs 1 is fixedly connected with the vertical ladder frame 5 of the foundation of the wind turbine generator system, two sides of the long airstairs are respectively fixedly connected with the upper part of the vertical ladder frame 5 of the foundation of the wind turbine generator system through two diagonal draw bars 2, the other end of the long airstairs is hung with a movable short airstairs 3, and the short airstairs 3 are inclined downwards and lapped on a working ship.
Wherein, the bottom of one end of the long gangway ladder 1 for hanging the short gangway ladder 3 is provided with a buffer 6 for preventing the impact of a working ship, the long gangway ladder 1 consists of a long ladder frame 101, a protective plate 102, anti-falling guardrails 103 and oblique pull fixing rods 104, the protective plate 102 for preventing the long ladder frame 101 from falling off in a sky is arranged on the upper pavement, two rows of anti-falling guardrails 103 are respectively arranged on two sides of the protective plate, the two ends of the long ladder frame 101 are respectively provided with a fixed cross rod 105 and a cross hanging rod 106, the two ends of the fixed cross rod 105 are respectively fixedly connected with the straight ladder frame 5 through two fixed hoops 4, the cross hanging rod 106 is used for hanging the short gangway ladder 3, two ends of the short gangway ladder 3 are respectively provided with two limiting devices (not shown in the figure), the two ends of the short gangway ladder 3 are respectively hung on two ends of the cross hanging rod 106 and are limited in hanging position and rotation angle through the limiting devices, two oblique pull fixing rods 104 are respectively arranged on two sides of the long, used for being fixedly connected with the diagonal draw bar 2.
One end of oblique pull rod 2 and oblique pull dead lever 104 fixed connection, its other end through fixed staple bolt 4 and the upper portion fixed connection of vertical ladder frame 5, this oblique pull rod 2 comprises band steel 201 and connecting piece 202, band steel 201 has a plurality ofly and loops through two connecting pieces 202 and be connected, and installs connecting axle 203 with the one end that long gangway ladder 1 is connected for pull dead lever 104 to one side with long gangway ladder 1 is connected.
The fixed hoop 4 is formed by butt joint of a left half hoop sheet 401 and a right half hoop sheet 401 through bolts and nuts, and a through hole 402 is formed in the left half hoop sheet 401 and the right half hoop sheet 401 and used for installing the fixed cross rod 105 of the long gangway ladder 1.
After the boarding ladder of the embodiment is installed, the boarding ladder is used according to the following operation steps:
1) when a worker prepares to board on a work ship, the work ship firstly approaches the foundation, the direction of the bow of the work ship is adjusted to be consistent with the axis of the long gangway ladder 1 as much as possible, and the posture of the work ship is controlled so that the cushion tires arranged at the bow of the work ship lean against the anti-collision columns on two sides of the vertical ladder frame 5;
2) when the hull rocks the range at vertical direction and is not more than 1m, the staff judges the vertical height of work ship deck 7 and long gangway ladder 1:
if the height is more than 0.4m or the worker thinks that the long gangway ladder 1 cannot be directly embarked from the deck 7, the movable short gangway ladder 3 can be hung at the tail end of the long gangway ladder 1 and then transferred to the tower base position of the unit in the same way, and the embarkation is smoothly finished, as shown in fig. 6;
if the height is less than 0.4m, the short gangway ladder 3 does not need to be hung, and the worker can directly climb up the long gangway ladder 1 from the deck 7, climb and transfer to the straight ladder transition platform 8, and then reach the top platform of the foundation, namely the tower base position of the unit by climbing the higher straight ladder 9, so as to successfully finish boarding, as shown in fig. 7.
3) After the work of the staff is finished, waiting at the position of the tower footing, and controlling the working ship to be close to the anti-collision column by the crew in the same way;
4) the staff on the working ship judges whether the short gangway ladder 3 needs to be mounted or not according to the judgment of the shaking amplitude of the ship body in the vertical direction;
5) after the staff on the working ship confirms that the staff on the unit can safely return, the staff on the unit is informed;
6) the staff in the unit returns to the working ship by climbing the vertical ladder 9 and the boarding ladder to complete the unit work on the same day.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides an airstairs for marine wind generating set basis which characterized in that: including long gangway ladder, oblique pull rod and short gangway ladder, long gangway ladder keeps the level, its one end and the straight ladder frame fixed connection on wind generating set basis, and its both sides are respectively through the upper portion fixed connection of two oblique pull rods and the straight ladder frame on wind generating set basis, and movable short gangway ladder is carried to its other end, and this short gangway ladder downward sloping is taken on the working ship deck.
2. The boarding ladder for offshore wind turbine foundation of claim 1, characterized in that: the bottom of the end of the long gangway ladder for hanging the short gangway ladder is provided with a buffer for preventing the impact of a working ship.
3. The boarding ladder for offshore wind turbine foundation of claim 1, characterized in that: the long gangway ladder is by long ladder frame, backplate, prevent weighing down the guardrail and draw the dead lever to one side and constitute, long ladder frame upper berth prevents to step on empty backplate that drops, and its both sides are equipped with two rows respectively and prevent weighing down the guardrail, and the both ends of this long ladder frame are fixed horizontal pole and horizontal peg respectively, the both ends of fixed horizontal pole are respectively through two fixed staple bolts and vertical ladder frame fixed connection, horizontal peg is used for hanging the short gangway ladder of year, the both sides of long ladder frame are located the position department that is close to horizontal peg and are equipped with two dead levers to one side respectively for with draw pole fixed connection to one side.
4. An airstair for foundation of offshore wind turbine generator set, according to claim 3, characterized in that: two ends of the transverse hanging rod are respectively provided with two limiting devices, two ends of the short gangway ladder are respectively hung at two ends of the transverse hanging rod, and the hanging position and the rotation angle of the short gangway ladder are limited by the limiting devices.
5. The boarding ladder for offshore wind turbine foundation of claim 1, characterized in that: the short gangway ladder is by short ladder frame, prevent weighing down the guardrail, convex mark time, couple and truckle are constituteed, be equipped with a plurality of convex marks time along its length direction on the short ladder frame, can increase the area of contact with the sole, guarantee the stability of climbing, its both sides are equipped with two rows respectively and prevent weighing down the guardrail, and the both sides of this short ladder frame one end are equipped with two couples respectively, carry on long gangway ladder through these two couples, and the both sides of its other end are equipped with two truckles respectively, make short gangway ladder and work ship deck plane be rolling contact.
6. The boarding ladder for offshore wind turbine foundation of claim 1, characterized in that: one end of the diagonal draw bar is fixedly connected with the diagonal draw fixing bar of the long gangway ladder, and the other end of the diagonal draw bar is fixedly connected with the upper part of the vertical ladder rack through the fixing hoop.
7. The boarding ladder for offshore wind turbine foundation of claim 6, characterized in that: the diagonal draw bar comprises band steel and connecting piece, the band steel has a plurality ofly and loops through two connecting pieces and be connected, and installs the connecting axle with the one end that long gangway ladder is connected for draw the dead lever to one side with long gangway ladder and be connected.
8. An airstair for foundation of offshore wind energy generation unit according to claim 3 or 6, characterized in that: the fixed hoop is formed by butt joint of a left hoop sheet and a right hoop sheet through bolts and nuts, and a through hole is formed in each of the left hoop sheet and the right hoop sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020207368.6U CN211996060U (en) | 2020-02-25 | 2020-02-25 | Boarding ladder for foundation of offshore wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020207368.6U CN211996060U (en) | 2020-02-25 | 2020-02-25 | Boarding ladder for foundation of offshore wind generating set |
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| Publication Number | Publication Date |
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| CN211996060U true CN211996060U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020207368.6U Active CN211996060U (en) | 2020-02-25 | 2020-02-25 | Boarding ladder for foundation of offshore wind generating set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776189A (en) * | 2022-03-18 | 2022-07-22 | 中国舰船研究设计中心 | Integrated gangway ladder sealing device and working method |
| CN115056923A (en) * | 2022-07-12 | 2022-09-16 | 舟山市自然资源测绘设计中心 | Fishing boat operation personnel island reef climbing auxiliary device |
-
2020
- 2020-02-25 CN CN202020207368.6U patent/CN211996060U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776189A (en) * | 2022-03-18 | 2022-07-22 | 中国舰船研究设计中心 | Integrated gangway ladder sealing device and working method |
| CN114776189B (en) * | 2022-03-18 | 2024-05-28 | 中国舰船研究设计中心 | Integrated gangway ladder sealing device and working method |
| CN115056923A (en) * | 2022-07-12 | 2022-09-16 | 舟山市自然资源测绘设计中心 | Fishing boat operation personnel island reef climbing auxiliary device |
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