CN110306513A - Main chord tube and its design method, spud leg - Google Patents
Main chord tube and its design method, spud leg Download PDFInfo
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- CN110306513A CN110306513A CN201910393870.2A CN201910393870A CN110306513A CN 110306513 A CN110306513 A CN 110306513A CN 201910393870 A CN201910393870 A CN 201910393870A CN 110306513 A CN110306513 A CN 110306513A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
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Abstract
The present invention disclose a kind of main chord tube and its design method, spud leg and can replace steel flanged beam main chord tube open web type main chord tube design method.The main chord tube includes rack-plate and the semifocal chord pipe connecting with the rack-plate；Rack-plate includes at least two rack gears and connection component.Rack gear includes tooth plate and teeth, and tooth plate is joint face away from the side of teeth, and connection component is connected between two rack gears along the width direction of the rack gear.Therefore the structure of rack gear of the present invention can effectively save the waste of removed tooth form material.And the setting connection component of connection component is connected between two rack gears, to be conducted to from teeth engagement force, the section rigidity of rack-plate is improved, thus technical solution of the present invention realizes while saving material, and the structural strength of main chord tube is effectively guaranteed.
Description
Technical field
The present invention relates to marine engineering equipment field, in particular to a kind of main chord tube and its design method, spud leg.
Background technique
The spud leg of jack-up unit can be divided into truss framed leg and column type spud leg according to pile leg structure form, wherein purlin
Posture spud leg is a kind of spud leg form being commonly used.Truss framed leg is mainly by welding groups such as main chord tube, horizontal stay tubes
At.Main chord tube is made of rack-plate and two semifocal chord pipes, as shown in Figs. 1-2, wherein and rack-plate is usually the section of steel flanged beam,
Therefore the rack-plate is also referred to as steel flanged beam rack-plate.According to the production technology of existing rack-plate, it can once be cut into three
Rack-plate used on rack-plate, that is, a spud leg, although production technology and cutting typesetting are improved, due to tooth
Presence cause the steel plate two sides castellated plates for cutting rack-plate be removed, removed tooth form material can not carry out secondary
Using and be wasted, the volume=tooth height × plate thickness × plate for slatterning steel is long, is counted to existing project, truss
The tooth form material wasted in the cutting of spud leg project rack-plate is summarized in the following table 1:
1 steel flanged beam rack-plate cutting material of table waste statistics
| Project | Project 1 | Project 2 | Project 3 |
| Rack gear plate thickness (mm) | 152.4/127 | 177.8 | 177.8 |
| Tooth height (mm) | 154 | 186.7 | 200 |
| Leg is long (m) | 125.3 | 166.98 | 147.5 |
| Full ship waste rack gear plate bulk (m3) | 18.61 | 49.89 | 47.21 |
| Full ship waste tooth form weight (t) | 146.10 | 391.61 | 370.57 |
The wastage of rack-plate is bigger as can be seen from Table 1, and the utilization rate of material is about 75%, and rack-plate
Generally use the high-intensitive modulation steel plate that minimum yield strength is 690MPa, the price of this steel plate generally all 3000 dollars/
Ton or more, material cost is relatively high, and the material slatterned considerably increases the material cost of project.Jack-up unit master at present
Scale constantly increases, and specification is gradually increased, it is desirable that and the depth of water of adaptation is also increasing, therefore it is required that the size of spud leg is also increasing,
In order to promote the weight continued to increase, rack gear plate thickness is also required to increase, and then is slatterned due to the tooth form material of excision
Material also will increase, and cause the increase of material cost can be more.
Summary of the invention
The main object of the present invention is to propose a kind of main chord tube and spud leg, it is intended to reduce the material utilization amount of main chord tube, simultaneously
Reduce the influence to the structural strength of main chord tube.
To achieve the above object, a kind of main chord tube proposed by the present invention, the main chord tube include rack-plate and with it is described
The semifocal chord pipe of rack-plate plate face connection；The rack-plate includes: at least two rack gears, and the rack gear includes tooth plate and teeth, institute
The length direction that teeth are stated along the tooth plate is arranged, and the tooth plate is joint face, two rack gears away from the side of the teeth
Joint face be oppositely arranged；Connection component, the width direction along the rack gear are connected between two rack gears.
Optionally, the tooth plate is joint face away from the side of the teeth, and the joint face of two rack gears is opposite to be set
It sets；The connection component is connected between the joint face of two rack gears, and the connection component and at least one joint face
Junction be spaced apart along the thickness direction of the tooth plate.
Optionally, the connection component includes the connector of at least two discrete settings, and the connector is in long strip, institute
The both ends for stating connector are connected on the joint face of two rack gears.Optionally, the connector is connecting plate, at least
Two connecting plates are symmetrical on the thickness direction of the rack gear or equidistantly distributed；The connecting plate is from the connection
Face extends along the engagement normal pressure direction of the teeth or the connecting plate extends along the width direction of the rack gear.
Optionally, the tooth plate has top and bottom, the top of the plate face of a connecting plate and at least one tooth plate
Face flushes；The plate face of another connecting plate is flushed with the bottom surface of at least one tooth plate.
Optionally, the main chord tube further includes reinforcer, and the reinforcer, the reinforcer is connected to described in adjacent two
Between connector.
The present invention also proposes a kind of spud leg, including multiple horizontal bracing tube structures, multiple interior horizontal bracing pipe structures and institute
The main chord tube stated；Multiple main chord tubes are uprightly arranged；Multiple horizontal stay tube parallelism structural settings, and successively vertically
Direction is intervally arranged, and the horizontal bracing tube structure includes multiple horizontal stay tubes in same level, the horizontal stay tube connection
Between adjacent two main chord tube；Multiple interior horizontal bracing pipe parallelism structural settings, and successively interval is arranged along the vertical direction
Cloth；The interior horizontal bracing pipe includes multiple interior horizontal bracing pipes in same level, per the interior horizontal bracing pipe along water
Square to being connected between the adjacent two horizontal stay tube.
Optionally, multiple main chord tubes include the first main chord tube, and the spud leg further includes multiple down tube structures；Institute
Stating down tube structure includes multiple down tubes being obliquely installed, and the first end of the down tube is connect with first main chord tube,
The second end of the down tube is connected to horizontal bracing tube structure, and the horizontal bracing tube structure is along the vertical direction adjacent to the diagonal brace
The first end of pipe.
The present invention also proposes a kind of design method of main chord tube, the engagement knot of the teeth of the main chord tube for lifting device
Structure cooperation, to realize the lifting to the lifting device；The connection component of the main chord tube is connecting plate, the main chord tube
Design method the following steps are included:
The shape ruler of each tooth of teeth in the main chord tube is determined according to the shape of the engaging structure of lifting device
It is very little；First the width that the tooth plate of the main chord tube is arranged is the width of the teeth when calculating, or according to having for cutting
The plate width of the rack-plate determines the width of the tooth plate；In first calculate, according to the need condition of lifting means, setting
The width of rack-plate；According to the width of the width of the rack-plate and rack gear, the width of the connecting plate is calculated；According to required
The section modulus of main chord tube determine the thickness of connecting plate；The straight of the semifocal chord pipe is determined according to the required section modulus
Diameter and pipe thickness；The thickness for the connecting plate that contrast conting goes out respectively, the pipe thickness of the semifocal chord pipe, the semifocal chord
Whether the distance for managing tooth plate edge meets preset condition；And the section modulus of the main chord tube is calculated, and compare the section mould
Whether amount meets the required section modulus；If not satisfied, increasing the width of the tooth plate or increasing the width of the rack-plate
Degree, and from the width of the width according to the rack-plate and the rack gear, the step of calculating the width of connecting plate, start weight
It is new to calculate；If satisfied, based on the current size of the teeth, the width of tooth plate, the width of rack-plate, connecting plate width
With thickness, the pipe thickness of semifocal chord pipe and diameter, the size of the main chord tube is determined.
Optionally, the section modulus according to required main chord tube determines the diameter and pipe thickness of the semifocal chord pipe
The step of the following steps are included: determining the diameter of the semifocal chord pipe according to existing loose tool size；According to cutting for required main chord tube
Face mould amount and the semifocal chord pipe diameter determine the pipe thickness of the semifocal chord pipe.
Optionally, the pipe thickness of the width of the connecting plate in the contrast conting out, thickness, the semifocal chord pipe,
Preset condition described in the step of whether distance at the semifocal chord pipe to tooth plate edge meets preset condition are as follows: the semifocal chord pipe
Pipe thickness be not more than 100mm；In the junction of the semifocal chord pipe and the rack-plate, the semifocal chord pipe to tooth plate edge
Distance be not less than 25mm；The width of the tooth plate is not less than the width of the teeth；The thickness of the connecting plate is no more than
50mm, and it is not less than 25mm.
The present invention also proposes that a kind of design method of open web type main chord tube that can replace steel flanged beam main chord tube, feature exist
In the open web type main chord tube is the main chord tube；The steel flanged beam main chord tube has steel flanged beam rack-plate, and connection
Semifocal chord pipe on the steel flanged beam rack-plate；The design method of the open web type main chord tube instead of steel flanged beam main chord tube
The step of include: the size based on steel flanged beam rack-plate, semifocal chord pipe in the steel flanged beam main chord tube, design the open web type
The size of rack-plate, semifocal chord pipe and connecting plate in main chord tube, so that the area of section of the open web type main chord tube is not less than
The area of section of the steel flanged beam main chord tube, and the section modulus of open web type main chord tube is greater than or equal to the main string of the steel flanged beam
The section modulus of pipe.
Optionally, the size of the rack-plate based in the steel flanged beam main chord tube, semifocal chord pipe, designs the empty stomach
The size of rack-plate, semifocal chord pipe and connecting plate in formula main chord tube is the following steps are included: keep the open web type main chord tube
The equivalent width of the rack-plate of the width of rack-plate and the steel flanged beam main chord tube, and keep the tooth of the open web type main chord tube
The consistency of thickness of the rack-plate of the thickness of batten and the steel flanged beam main chord tube；According to for cutting the open web type main chord tube
The steel plate width of rack gear determine the width of the rack gear of the open web type main chord tube；According to the fixed open web type master
The width of the rack gear of string pipe determines the width of the connecting plate of the open web type main chord tube；At least through the increase open web type master
The diameter or pipe thickness of the semifocal chord pipe of string pipe, and one of the thickness approach of the adjustment connecting plate, so that the open web type
The area of section of main chord tube is not less than the area of section of the steel flanged beam main chord tube, and the section mould of the open web type main chord tube
Amount is not less than the section modulus of the steel flanged beam main chord tube.
Optionally, the size of the rack-plate based in the steel flanged beam main chord tube, semifocal chord pipe, designs the empty stomach
The size of rack-plate, semifocal chord pipe and connecting plate in formula main chord tube is the following steps are included: keep the open web type main chord tube
The consistency of thickness of the rack-plate of the thickness and steel flanged beam main chord tube of rack-plate, and keep the semifocal chord pipe of the open web type main chord tube
Radian is consistent with the semifocal chord pipe radian of steel flanged beam main chord tube；According to the steel plate of the rack gear for cutting the open web type main chord tube
Plate width determines the width of the open web type rack gear；At least through the width of rack-plate described in adjustment open web type main chord tube, institute
One of the width and thickness method of semifocal chord tube wall thickness and the connecting plate is stated, so that the open web type main chord tube is cut
Face area is not less than the area of section of the steel flanged beam main chord tube, and the section modulus of the open web type main chord tube is not less than institute
State the section modulus of steel flanged beam main chord tube.
Optionally, the size of the rack-plate based in the steel flanged beam main chord tube, semifocal chord pipe, designs the empty stomach
The size of rack-plate, semifocal chord pipe and connecting plate in formula main chord tube is the following steps are included: keep the rack gear of open web type main chord tube
The rack-plate equivalent width of board width and steel flanged beam main chord tube, and keep the rack gear plate thickness and steel flanged beam of open web type main chord tube
The rack-plate consistency of thickness of main chord tube；Keep the semifocal chord pipe diameter of open web type main chord tube and the semifocal chord Guan Zhi of steel flanged beam main chord tube
Diameter is consistent；The open web type main chord tube is determined according to the steel plate width of the rack gear for cutting the open web type main chord tube
The width of rack gear；The width of the connecting plate is determined based on the width of the rack gear of the open web type main chord tube；At least through increase
The pipe thickness of the semifocal chord pipe of open web type main chord tube, and one of the thickness approach of the adjustment connecting plate, so that the sky
The area of section of abdomen formula main chord tube is not less than the area of section of the steel flanged beam main chord tube, and section of the open web type main chord tube
Face mould amount is not less than the section modulus of the steel flanged beam main chord tube.
As shown from the above technical solution, the advantages and positive effects of the present invention are:
Technical solution of the present invention two rack gears seperated by setting, so that the cutting teeth on the steel plate for cutting rack gear
When, can be once cut into couples along teeth outline, therefore rack structure of the invention can be saved effectively and be cut
Except the waste of tooth form material.Further, since connection component is connected between two rack gears, so that connection component can
It is conducted to from teeth engagement force, improves the section rigidity of rack-plate, and then ensure that the structural strength of rack-plate.
Thus technical solution of the present invention realizes while saving material, and the structural strength of main chord tube is effectively guaranteed.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
The structure that can be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the main boom plate cross-sectional view with steel flanged beam rack-plate in the related technology；
Fig. 2 is the rack gear typesetting schematic diagram of steel flanged beam main chord tube in the related technology；
Fig. 3 is the cross-sectional view of an embodiment of rack-plate of the present invention；
Fig. 4 is the cross-sectional view of another embodiment of rack-plate of the present invention；
Fig. 5 is the typesetting schematic diagram of rack gear of the present invention；
Fig. 6 is the butt weld position view of two rack-plates of the invention；
Fig. 7 is the flow chart of one embodiment of design method of main chord tube of the present invention；
Fig. 8 is the sectional dimension schematic diagram of steel flanged beam main chord tube in one embodiment；
Fig. 9 is band open web type main chord tube sectional dimension schematic diagram corresponding with Fig. 8；
Figure 10 is the structural schematic diagram of truss framed leg of the present invention；
Figure 11 is the side view of Fig. 9；
Figure 12 is the schematic cross-section in Figure 10 along A-A.
Drawing reference numeral explanation:
100, main chord tube；200, rack-plate；210, rack gear；230, connecting plate；211, tooth plate；212, teeth；213, it connects
Face；300, semifocal chord pipe；400, spud leg；410, horizontal stay tube；420, down tube；430, interior horizontal bracing pipe；214, rack gear docks
Weld seam；231, connecting plate butt weld；500, steel flanged beam main chord tube；510, the rack gear of steel flanged beam main chord tube；600, steel plate；
511, tooth form material.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments shall fall within the protection scope of the present invention.
It is to be appreciated that if related in the embodiment of the present invention directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
The present invention proposes a kind of main chord tube, in spud leg.Spud leg is truss framed leg, and spud leg is commonly used in and lifting
Equipment is used cooperatively.There is engaging structure, such as gear on lifting device；There are teeth on spud leg, therefore pass through engaging structure
With engaging for teeth so that lifting device realizes lifting in the short transverse of the spud leg.
Please refer to Fig. 3 and Fig. 4, in the present embodiment, the main chord tube 100 include rack-plate 200 and with the rack-plate
The semifocal chord pipe 300 of 200 connections；Rack-plate 200 includes at least two rack gears 210 and connection component.Rack gear 210 includes tooth plate 211
And teeth 212, teeth 212 are arranged along the length direction of tooth plate 211, tooth plate 211 is joint face away from the side of teeth 212
213, the joint face 213 of two rack gears 210 is oppositely arranged；Connection component is connected to described in two along the width direction of the rack gear 210
Between rack gear 210.To improve the section rigidity of rack-plate 200, the cross section rigidity of rack-plate 200 is especially improved.Having
In use, main chord tube 100 is in upright state, the length direction of this hour rack 210 corresponds to main chord tube 100 to be made body
The height of used time.Therefore lifting device is engaged by the teeth 212 with rack gear 210, to realize lifting process.
It is connected since two rack gears 210 are discrete settings in this programme, and by connection component, therefore the application is real
It applies the rack-plate 200 in example and is also referred to as open web type rack-plate 200, therefore main chord tube 100 also corresponds to and is known as open web type main chord tube
100。
Below with reference to specific embodiment, explain to the structure of the application main chord tube 100.
Main chord tube 100 includes rack-plate 200 in the embodiment of the present invention, and rack-plate 200 includes at least two rack gears 210, works as tooth
When batten 200 includes more than two rack gears 210, the joint face 213 of rack gear 210 is oppositely arranged or multiple rack gears two-by-two
210 arrangements are in ring dress, rectangular, polygonized structure etc..The teeth 212 of all rack gears 210 are towards outside, to be used for and lifting
The engaging structure of equipment engages.In this present embodiment, rack-plate 200 includes two rack gears 210, the joint face of two rack gears 210
The setting of 213 faces.
The elongated plate structure of tooth plate 211 of rack gear 210, teeth 212 are arranged along the length direction of the tooth plate 211,
The tooth plate 211 is joint face 213 away from the side of the teeth 212.Two rack gears 210 can have different rulers
The shape of very little, structure and teeth 212, in this present embodiment, two rack gears 210 structure having the same, shape and size.?
In following embodiment, it is illustrated based on two rack gears 210 structure having the same, shape and size.When two rack gears
210 have not exactly the same structure, shape and size, when applied to scheme in following embodiment, can only correspond to neither
With one of rack gear 210 in rack gear 210.
Referring to Fig. 5,212 structure of unilateral teeth based on rack gear 210, thus when producing rack gear 210, it can pass through
It is once cut into couples on the steel plate 600 for cutting rack gear 210 along teeth outline.In specific production, according to steel
The plate width of plate 600 is cut into one or more pairs of rack gears 210 on a steel plate 600.It can be realized what primary cutting was formed
A pair of of rack gear 210 is just used as two rack gears 210 of a main chord tube 100.Therefore the structure of rack gear 210 of the invention can have
The saving of effect is removed the waste of tooth form material.500 middle rack plate typesetting schematic diagram of steel flanged beam main chord tube referring to fig. 2 is compared, by
In 510 structure of rack gear of steel flanged beam main chord tube, lead to 511 quilt of two sides tooth form material of the steel plate 600 for cutting rack-plate
It cuts off and slatterns；Thus in contrast, the typesetting of the rack gear 210 of the present embodiment is more advantageous to saving material in Fig. 5.
In the present embodiment, connection component is connected between the joint face 213 of two rack gears 210, and the connection group
The junction of part and at least one joint face 213 is spaced apart along the thickness direction of the tooth plate 211.It is understood that
Tooth plate 211 has certain thickness, and the joint face 213 corresponds to the plane of 211 thickness direction of tooth plate.Connection component
Distribution with the link position of joint face 213 is and the structure of connection component, shape and link position with joint face 213
It is related.Therefore, there is different junctions from joint face 213 by selecting suitable connection component can be realized.Here, can
With understanding, when the junction of connection component and joint face 213 is spaced apart along the thickness direction of the tooth plate 211,
The quantity of junction at least there are two.The connection component can be with the junction of the joint face 213 of one of rack gear 210
Have at least two.In a preferred embodiment, connection component it is equal with the junction quantity of joint face 213 of two rack gears 210,
Link position is symmetrical so that the section rigidity of rack-plate 200 be distributed more rationally, to improve the whole strong of main chord tube 100
Degree.
In the present embodiment, the connection component includes the connector of at least two discrete settings, and the connector is in strip
Shape, the both ends of the connector are connected on the joint face 213 of two rack gears 210.Connector may include that section is in
Triangle, rectangular, diamond shape column structure, also may include helical structure, can also include plate-like connecting plate etc.,
This can pass through effect to be achieved and intensity reasonable employment.
Fig. 3 and Fig. 4 are please referred to, in this present embodiment, the connector is connecting plate 230, the use one of connecting plate 230
Aspect can reduce the usage amount of steel, on the other hand, since the end face of connecting plate 230 is easy to the joint face with tooth plate 211
213 welding, therefore the use of connecting plate 230 is conducive to improve production efficiency.
It is horizontally placed on horizontal plane with rack gear 210 as direction reference at this, the length direction of this hour rack 210 corresponds to water
Square to two plate faces of tooth plate 211 are respectively top and bottom, and the thickness of the tooth plate 211 corresponds to the rack gear 210
Short transverse when placing in the horizontal plane.In the present embodiment, the quantity of connecting plate 230 at least there are two, at least two companies
The symmetrical or equidistantly distributed on the thickness direction of the rack gear 210 of fishplate bar 230, to further increase rack-plate 200
Section rigidity distributing homogeneity, to improve the integral strength of main chord tube 100.Specifically, when connecting plate 230 is in the rack gear
When symmetrical on 210 thickness direction, be along tooth plate 211 longitudinal axis it is symmetrical, when 211 cross section section of tooth plate is in
When rectangular, longitudinal axis is about at the 1/2 of 210 thickness of rack gear.
Referring to Fig. 4, in the present embodiment, connection component can also be connected to two institutes along the width direction of the rack gear 210
It states between rack gear 210.I.e. connection component also can be set on the top surface of rack gear 210, and the top surface with two rack gears 210 respectively
Connection；Certain connection component also can be set on the bottom surface of rack gear 210, and connect respectively with the bottom surface 210 of two rack gears.?
In Fig. 4, connecting plate 230 is divided into the top and bottom of two rack-plates.
Further, based on the above embodiment in orientation, in order to avoid the junction of connecting plate 230 and joint face 213
The generation of concentrated stress avoids the plane where the protrusion of connecting plate 230 or 213 edge of recessed joint face, so that connecting plate 230
Larger with the shearing of 210 junction of rack gear, stress is concentrated, so that the junction be caused to be easy to produce fatigue rupture.Preferably one
In embodiment, there are two the connecting plates 230, and the tooth plate 211 has top and bottom, the plate face of a connecting plate 230
It is flushed with the top surface of at least one tooth plate 211；The bottom of the plate face of another connecting plate 230 and at least one tooth plate 211
Face flushes.When two tooth plates 211 have different thickness, connecting plate 230 can with the top surface of one of them tooth plate 211/
Bottom surface flushes；When two 211 thickness having the same of tooth plate, at this time the top surface of two tooth plates 211, a connecting plate 230 plate
Face flushes, at this time the bottom surface of two tooth plates 211, another connecting plate 230 plate face flush.
In the present embodiment, the locality of connecting plate 230 be can be from the nibbling along the teeth 212 of joint face 213
Normal pressure direction is closed to extend；Herein it is to be understood that the normal pressure that teeth 212 engage refers to that teeth 212 are suffered in engagement
The direction of the power towards tooth plate 211 arrived.Optionally, the connecting plate 230 extends along the width direction of the rack gear 210.It examines
Consider in actual use, there are many shapes and structure of the gear engagement structure of lifting device, therefore engaging structure and teeth
212 engagement force direction therewith can there are many, and when 230 extending direction of connecting plate corresponds to the engagement normal pressure directions of teeth 212
When, conduction more evenly can be carried out to engagement force, without generating the secondary distribution of biggish power, to influence rack-plate
200 resistance to deformation effect.When the connecting plate 230 extends along the width direction of the rack gear 210, it is based on above-mentioned rack gear 210
Azimuth reference, the plate face of the connecting plate 230 is horizontally extending at this time.This scheme is allowed for be made most of
With under scene, the engagement normal pressure direction that teeth 212 are subject to corresponds to the width direction of teeth 212, therefore in the production phase,
When rack-plate 200 is horizontally arranged, the plate face that the connecting plate 230 can directly be arranged extends generally in a horizontal direction.
Referring to Fig. 3, in the present embodiment, the two sides of connecting plate 230 are arranged in inclined-plane in this programme, so that connection
It is welded respectively with two joint faces 213 by full penetration the side of plate 230.Here, two joint faces 213 are in plane, with
Increase the contact area of joint face 213 and connecting plate 230.Two rack gears 210, connecting plate 230 are welded to connect by full penetration weldering is
One entirety forms the rack-plate 200 of an open web type main chord tube, efficiently solves reasonable distribution rack-plate 200 and connection
The stress collection that the rigidity distribution of plate 230 is uneven, fillet lap forms weakness zone neutralizes fatigue rupture with the easy buckling failure that is pressurized
Etc. technical problems.
Based on the above embodiment, in order to further increase the structural strength of main chord tube 100, increase the section of main chord tube 100
Area, it further includes reinforcer that the main chord tube 100, which is arranged, in application scheme, and the reinforcer is connected to adjacent two connection
Between part.The shapes such as reinforcer can be in the form of a column, three-legged structure, plate are at least one in quantity.Preferably, reinforcer is in
Plate, and the plate face of stiffening plate plate face substantially vertical with the plate face of connecting plate 230 or stiffening plate is parallel to joint face
213, to improve the non-deformability of connecting plate 230.
Referring to Fig. 6, due to open web type main chord tube 100 of the present invention rack-plate 200 length by 600 plate width of steel plate and
The influence of construction technology, along the short transverse of spud leg 400, two rooted tooth battens 200 need butt welding, when carrying out docking spreading,
In order to avoid weld seam, connecting plate butt weld 231 and rack gear butt weld between same weld connecting plate 230 and rack gear 210
214, three weld seams are overlapped, and improve the bonding strength of two rack-plates 200, and the same end of rack-plate 200 is arranged in the present embodiment,
The end face of at least one rack gear 210 protrudes from the end of plane or the connecting plate 230 where 230 end face of connecting plate
Face protrudes from the plane where two 210 end faces of rack gear.For example, the structure of 200 end of rack-plate is substantially in
" convex " shape or " recessed " shape.It is understood that the end shape that two rack-plates 200 interconnect should be adaptation, such as a tooth
The end of batten 200 assumes a " convex " shape, and the shape that another rack-plate 200 is connect with the end corresponds to " recessed " shape.Therefore to two
When rack-plate 200 is welded, connecting plate butt weld 231, connecting plate 230 two sides rack gear butt weld 214, have
There are certain intervals, to reduce influence of the fatigue rupture to 100 intensity of main chord tube.
Referring to Fig. 3, semifocal chord pipe 300 is used to weld with the rack gear 210 of rack-plate 200, to realize main chord tube 100 straight
Stability and raising structural strength under vertical state.The structure and form of semifocal chord pipe 300 can be a variety of, such as section is in
Triangle, semicircle, rectangular hollow columnar structures.Semifocal chord pipe 300 is located at rack-plate 200 one is preferably provided in this programme
Side, the both ends of semifocal chord pipe 300 are connected on the tooth plate 211 of two rack gears 210, and the both ends of semifocal chord pipe 300 all have welding
Inclined-plane, in order to be welded very much by full penetration welding semifocal chord pipe 300 with rack-plate 200.Further, semifocal chord pipe 300 has
Two, it is symmetrically disposed on the two sides of institute's rack-plate 200.
Technical solution of the present invention two rack gears 210 seperated by setting, so that in the steel plate 600 for cutting rack gear 210
When upper cutting rack gear 210, it can be once cut into couples along teeth outline, therefore 210 structure of rack gear of the invention can
It is effective to save the waste for being removed tooth form material 511.Further, since connection component is connected to two rack gears 210
Between joint face 213, and the junction of the connection component and at least one joint face 213 is along the thickness of the tooth plate 211
Direction is spaced apart, to improve connection component to the uniformity and stability conducted from 212 engagement force of teeth, simultaneously
The contact area with joint face 213 is increased, the section rigidity of rack-plate 200 is improved, and then improves rack-plate 200
Structural strength.Thus technical solution of the present invention realizes while saving material, and the knot of main chord tube 100 is effectively guaranteed
Structure intensity.
Referring to Fig. 7, the embodiment of the present application also proposes a kind of design method of main chord tube 100, the main chord tube 100
Teeth 212 cooperate for the engaging structure of lifting device, to realize the lifting to the lifting device；The design side of main chord tube 100
Method the following steps are included:
The shape of each tooth of teeth 212 in the main chord tube is determined according to the shape of the engaging structure of lifting device
Size；
When first calculating, the width that the tooth plate 211 of the main chord tube 100 is arranged is the width or root of the teeth 212
The width of the tooth plate is determined according to the plate width having for cutting the rack-plate 200；
In first calculate, according to the need condition of lifting means, the width of rack-plate 200 is set；
According to the width of the width of the rack-plate 200 and rack gear, the width of the connecting plate 230 is calculated；
The thickness of connecting plate 230 is determined according to the section modulus of required main chord tube 100；
The diameter and pipe thickness of the semifocal chord pipe 300 are determined according to the required section modulus；
The thickness for the connecting plate 230 that contrast conting goes out respectively, the pipe thickness of the semifocal chord pipe 300, the semifocal chord
Whether the distance at pipe 300 to 211 edge of tooth plate meets preset condition；And the section modulus of the main chord tube 100 is calculated, and compare
Whether the section modulus meets the required section modulus；
If not satisfied, increase the width of the tooth plate 211 or increase the width of the rack-plate 200, and from the basis
The step of width of the rack-plate 200 and width of the rack gear 210, the width of calculating connecting plate 230, starts to count again
It calculates；
If satisfied, based on the current size of the teeth 212, the width of tooth plate 211, the width of rack-plate 200, company
Width and thickness, the pipe thickness and diameter of semifocal chord pipe 300 of fishplate bar 230, determine the size of the main chord tube 100.
The present embodiment is through excessive about the size of the size of rack-plate 200, the size of connecting plate 230, semifocal chord pipe 300
Final determination can be able to after secondary tentative calculation.In first calculate, first the width of the tooth plate 211 of the main chord tube 100 is arranged
For the width of the teeth 212, or determine according to the plate width having for cutting the rack-plate 200 width of the tooth plate 211
Degree.
It should be noted that the calculation method about section modulus is well known to those skilled in the art, can apply
Plug-in unit in AUTOCAD software is directly calculated, can also be with reference to the calculation formula in " mechanics of materials " about section modulus
It is calculated.Specifically, the present embodiment can be the sectional view for building main chord tube 100 in CAD, and then inserting using CAD
Part is calculated, this is allowed in CAD, and modification main chord tube sectional view is more convenient, is carried out successive ignition calculating and is compared appearance
It easily realizes, also can use the calculation formula of " mechanics of materials ", calculated by way of working out computation sheet.
The pipe thickness of the width of the connecting plate 230, thickness, the semifocal chord pipe 300 that go out in the contrast conting,
Preset condition described in the step of whether distance at the semifocal chord pipe 300 to tooth plate edge meets preset condition can be with are as follows: described
The pipe thickness of semifocal chord pipe 300 is not more than 100mm, the junction of the semifocal chord pipe 300 and the rack-plate 200, the semifocal chord
The distance at pipe 300 to tooth plate edge is not less than 25mm, and the width of the tooth plate of the rack-plate 200 is not less than the rack-plate 200
Teeth 212 width, the thickness of the connecting plate 230 is no more than 50mm, and is not less than 25mm.
Specifically, being to determine teeth according to the shape of the engaging structure of lifting device first in the production design phase
The outer dimension (shape, thickness including at least teeth 212) of each tooth in 230；Required further according to main chord tube 100 cuts
Face mould amount determines 211 sectional dimension of tooth plate；It can also be according to the plate width and maximum journey having for cutting rack-plate 200
The utilization rate of material is improved to determine the sectional dimension of tooth plate 211 in degree ground；Several teeth are connected as an entirety by tooth plate 211.
The thickness of teeth 230 and tooth plate 211 is consistent, and the two is excision forming together.The thickness and width master of rack-plate 200
Will the section modulus of main chord tube 100 needed for the intensive analysis according to spud leg 400 determine, also to take into account the technology of lifting device
It is required that.After the width of rack-plate 200 determines, the width of connecting plate 230 subtracts two rack gears 210 by the width of rack-plate 200
Width obtains, and the thickness of connecting plate 230 determines by the required section modulus of main chord tube 100.The diameter of semifocal chord pipe 300
It is mainly determined according to the section modulus of main chord tube 100 needed for the intensive analysis of spud leg 400 with thickness.
In view of semifocal chord pipe 300 is modulated by suppressing and carrying out necessity, the cost of production compacting loose tool compares
Height can use existing loose tool size to save the cost of production loose tool to determine the diameter of semifocal chord pipe 300, then pass through meter
Calculate to align the thickness of semifocal chord pipe 300, based on the above embodiment known to, it is ensured that semifocal chord pipe 300 with 211 junction of tooth plate
The edge of two sides to the rack gear 210 have certain distance, to ensure that weld seam will not be overlapped, and herein under the premise of adjust tooth plate 211
Width and connecting plate 230 width and thickness so that the section modulus of main chord tube 100 meets 400 intensive analysis of spud leg
It is required that.
The embodiment of the present application also proposes a kind of design side of open web type main chord tube 100 that can replace steel flanged beam main chord tube 500
Method, for a certain existing steel flanged beam main chord tube 500, in the case where guaranteeing that the intensity of spud leg 400 is met the requirements, Ke Yitong
The size that this programme calculates all parts of open web type main chord tube 100 is crossed, to realize the purpose of substitution steel flanged beam main chord tube 500
Specifically, the step of design method of the open web type main chord tube 100 instead of steel flanged beam main chord tube 500, wraps
It includes:
Based on the size of steel flanged beam rack-plate 200, semifocal chord pipe 300 in the steel flanged beam main chord tube 500, the sky is designed
The size of rack-plate 200, semifocal chord pipe 300 and connecting plate 230 in abdomen formula main chord tube 100, so that the open web type main chord tube
100 area of section is not less than the area of section of the steel flanged beam main chord tube 500, and the section modulus of open web type main chord tube 100
More than or equal to the section modulus of the steel flanged beam main chord tube 500.
In one embodiment, the size of the rack-plate based in the steel flanged beam main chord tube 500, semifocal chord pipe 300,
Design the size of the 100 middle rack plate 200 of open web type main chord tube, semifocal chord pipe 300 and connecting plate 230 the following steps are included:
Keep the width of the rack-plate 200 of the open web type main chord tube 100 and the rack gear of the steel flanged beam main chord tube 500
The equivalent width of plate, and keep the thickness and the steel flanged beam main chord tube 500 of the rack-plate 200 of the open web type main chord tube 100
Rack-plate consistency of thickness；
The main string of the open web type is determined according to the steel plate width of the rack gear for cutting the open web type main chord tube 100
The width of the rack gear of pipe 100；
The open web type main chord tube 100 is determined according to the width of the rack gear of the fixed open web type main chord tube 100
The width of connecting plate 230；
At least through the diameter or pipe thickness of the semifocal chord pipe 300 for increasing the open web type main chord tube 100, and adjustment institute
One of the thickness approach of connecting plate 230 is stated, so that the area of section of the open web type main chord tube 100 is not less than the steel flanged beam
The area of section of main chord tube 500, and the section modulus of the open web type main chord tube 100 is not less than the steel flanged beam main chord tube 500
Section modulus.
Specifically, keeping the width and thickness and the main string of steel flanged beam of the rack-plate 200 of the application open web type main chord tube 100
200 width and thickness of rack-plate of pipe 500 is consistent, determines rack gear according to the plate width of the steel plate 600 for cutting rack gear 210
210 width, and then determine the width of connecting plate 230, it is connected by the diameter or thickness of increase semifocal chord pipe 300 and adjustment
The thickness of plate 230 so that the area of section of main chord tube 100 is consistent with steel flanged beam main chord tube 500, while guaranteeing its section mould
Amount is not less than the section modulus of steel flanged beam main chord tube 500.The method is easily realized same due to increasing the diameter of semifocal chord pipe 300
410 gap weldig of horizontal stay tube of level height avoids overlapping, and then can alleviate node fatigue problem, can also reduce water
410 intersection difficulty of processing of pipe is supported, increases welding space, improves precision controlling, improves welding quality.
In another embodiment, the ruler of the rack-plate based in the steel flanged beam main chord tube 500, semifocal chord pipe 300
Very little, it includes following for designing the size of rack-plate 200 in the open web type main chord tube 100, semifocal chord pipe 300 and connecting plate 230
Step:
Keep the thickness of the rack-plate 200 of the open web type main chord tube 100 and the rack-plate of steel flanged beam main chord tube 500
Consistency of thickness, and keep 300 radian of semifocal chord pipe of the open web type main chord tube 100 and the semifocal chord pipe of steel flanged beam main chord tube 500
300 radians are consistent；
The open web type rack gear is determined according to the steel plate width of the rack gear for cutting the open web type main chord tube 100
Width；
At least through width, 300 thickness of pipe wall of semifocal chord pipe of rack-plate 200 described in adjustment open web type main chord tube 100
One of degree and the width and thickness method of the connecting plate 230, so that the area of section of the open web type main chord tube 100 is not
Less than the area of section of the steel flanged beam main chord tube 500, and the section modulus of the open web type main chord tube 100 is not less than described
The section modulus of steel flanged beam main chord tube 500.
In another embodiment, the ruler of the rack-plate based in the steel flanged beam main chord tube 500, semifocal chord pipe 300
Very little, the size for designing the 100 middle rack plate 200 of open web type main chord tube, semifocal chord pipe 300 and connecting plate 230 includes following step
It is rapid:
200 width of rack-plate of open web type main chord tube 100 and the rack-plate equivalent width of steel flanged beam main chord tube 500 are kept,
And keep 200 thickness of rack-plate of open web type main chord tube 100 and the rack-plate consistency of thickness of steel flanged beam main chord tube 500；
Keep 300 diameter of semifocal chord pipe of open web type main chord tube 100 and 300 diameter one of semifocal chord pipe of steel flanged beam main chord tube 500
It causes；
The main string of the open web type is determined according to the steel plate width of the rack gear for cutting the open web type main chord tube 100
The width of the rack gear of pipe 100；
The width of the connecting plate 230 is determined based on the width of the rack gear of the open web type main chord tube 100；
At least through the pipe thickness for the semifocal chord pipe 300 for increasing open web type main chord tube 100, and the adjustment connecting plate
One of 230 thickness approach, so that the area of section of the open web type main chord tube 100 is not less than the steel flanged beam main chord tube 500
Area of section, and the section modulus of the open web type main chord tube 100 be not less than the steel flanged beam main chord tube 500 section mould
Amount.
Method and acquirement beneficial effect for a better understanding of the present invention, below by a specific embodiment to this
The method and acquirement beneficial effect of invention are further explained:
Referring to Fig. 8-9, it is known that the outline drawing of the steel flanged beam main chord tube 500 of the truss framed leg 400 of a certain actual items and
The sectional dimension of sectional dimension, main chord tube 100 is as follows: 200 size of rack-plate are as follows: width × thickness=1200mm × 250mm,
Semifocal chord pipe size is diameter × thickness=330mm × 50 (40) mm, a height of 200mm of tooth.
Referring to Figure 10, this steel flanged beam main chord tube 500 is substituted using main chord tube 100 proposed by the present invention, on condition that new design
Main chord tube 100 can be matched with existing lifting device, and the principle equivalent based on area of section, first setting are on an empty stomach
The width and thickness of the rack-plate 200 of formula main chord tube 100 and 200 width and thickness one of rack-plate of steel flanged beam main chord tube 500
It causes, that is, the width for having rack-plate 200 is 1200mm and with a thickness of 250mm, according to the plate of the steel plate 600 for cutting rack gear 210
Width determines that the width of rack gear 210 is 200+225=425mm, and the width of connecting plate 230 is 1200-425-425=350mm；
In order not to increase the cost for suppressing fetal membrane of semifocal chord pipe, the diameter of semifocal chord pipe 300 and the semifocal chord of steel flanged beam main chord tube 500 are set
The diameter of pipe is identical, as 330mm.By calculating, the thickness of semifocal chord pipe 300 is set as the thickness of 82.5mm and connecting plate 230
Degree is set as 50mm, and the area of section of the main chord tube 100 designed in this way is almost the same with steel flanged beam main chord tube 500；It calculates again
The section modulus of two kinds of main chord tubes out, and corresponding item is compared, it is listed in table 2.Referring to table 2, it can be seen that in section face
Under product same case, the counter-bending section modulus of the main chord tube 100 of the rack-plate 200 with open web type main chord tube of embodiment is mentioned
It is high by about 40%, and then improve the bearing capacity of spud leg 400.
2 cross section property contrast table of table
The rack gear 210 of the present embodiment in the steel plate 600 for cutting rack gear 210 by two pairs of progress typesettings, can be steel plate
600 utilization rate is effectively improved to 92%, and calculate steel flanged beam rack-plate stock utilization be 79%, such as institute in table 3
Column, stock utilization improves, so that the cost of material reduces.The truss framed leg of base actual items in this present embodiment
400 length calculates the steel weight of the semifocal chord pipe 300 of main chord tube 100 used in whole ship, rack-plate 200 and connecting plate 230
Amount, compares the respective items of the every steel weight and steel flanged beam main chord tube 500 of open web type main chord tube 100, is listed in table
3.Referring to table 3, the weight of rack-plate 200 can save 1586 tons, since the thickness increase of semifocal chord pipe 300 causes its weight to increase
671 tons are added, while having increased 389 tons of weight of connecting plate 230, but compared the gross weight of main chord tube, using open web type rack-plate
200 main chord tube 100 can save 525 tons of steel, to reduce material cost.
3 weight of table and stock utilization contrast table
Figure 10 to Figure 12 is please referred to, the present invention also proposes that a kind of spud leg 400, spud leg 400 are truss framed leg 400, spud leg
400 include multiple horizontal 410 structures of stay tube, multiple interior 430 structures of horizontal bracing pipe and multiple main chord tubes 100；Main chord tube
100 specific structure is referring to above-described embodiment, since spud leg 400 uses whole technical solutions of above-mentioned all embodiments, because
This at least has all beneficial effects brought by the technical solution of above-described embodiment, and this is no longer going to repeat them.Specifically,
The uprightly setting of multiple main chord tubes 100, the structure triangular in shape of arranging in the horizontal direction, rectangular or polygonized structure；Multiple water
The setting of 410 parallelism structural of pipe is supported, and is successively intervally arranged along the vertical direction, horizontal 410 structure of stay tube includes multiple
In the horizontal stay tube 410 of same level, the horizontal stay tube 410 is connected between adjacent two main chord tube 100；It is multiple
Interior 430 parallelism structural of horizontal bracing pipe setting, and be successively intervally arranged along the vertical direction；The interior horizontal bracing pipe 430 includes
Multiple interior horizontal bracing pipes 430 in same level are connected to adjacent in the horizontal direction per the interior horizontal bracing pipe 430
Between the two horizontal stay tubes 410.
Further, spud leg 400 further includes multiple 420 structures of down tube, and multiple main chord tubes 100 include first main
String pipe 100, the spud leg 400 further include multiple 420 structures of down tube；420 structure of down tube includes multiple is obliquely installed
Down tube 420, the first end of the down tube 420 connect with first main chord tube 100, the second of the down tube 420
End is connected to horizontal 410 structure of stay tube, and horizontal 410 structure of stay tube is along the vertical direction adjacent to the first of the down tube 420
End.
As is illustrated by figs. 11 and 12, in embodiments of the present invention, in the main chord tube 100 of every two adjacent rack-plates 200
Kernel of section line on arrange a horizontal stay tube 410, and along the short transverse of spud leg 400 uniform cloth at a certain distance
Set multiple-layer horizontal stay tube 410.Down tube 420 is welded in the main string with open web type rack-plate 200 according to certain tilt angle one end
On pipe 100, the other end is welded on horizontal stay tube 410, and respectively has two in the upper and lower sides of horizontal stay tube 410, forms double K-types
Structure.
In the present embodiment, horizontal and be connected with three evenly and at intervals per between two adjacent horizontal stay tubes 410
Horizontal bracing pipe 430 in root, per two adjacent interior horizontal bracing pipes 430 in the end of same level stay tube 410 in welding
It wants spaced apart, weld seam is avoided to be overlapped.
Although describing the present invention with reference to several exemplary embodiments, it is to be understood that, term used be explanation and
Term exemplary, and not restrictive.Due to the present invention can be embodied in a variety of forms without departing from invention spirit or
Essence, it should therefore be appreciated that above embodiment is not limited to any of the foregoing details, and should be limited in appended claims
Spirit and scope in widely explain, therefore the whole change and modification fallen into claim or its equivalent scope are all answered
Covered by appended claims.
Claims (15)
1. a kind of main chord tube, which is characterized in that the main chord tube include rack-plate and connect with the rack-plate plate face half
String pipe；The rack-plate includes:
At least two rack gears, the rack gear include tooth plate and teeth, and the teeth are arranged along the length direction of the tooth plate, described
Tooth plate is joint face away from the side of the teeth, and the joint face of two rack gears is oppositely arranged；
Connection component, the width direction along the rack gear are connected between two rack gears.
2. main chord tube as described in claim 1, which is characterized in that the tooth plate is joint face away from the side of the teeth,
The joint face of two rack gears is oppositely arranged；
The connection component is connected between the joint face of two rack gears, and the connection component and at least one joint face
Junction be spaced apart along the thickness direction of the tooth plate.
3. main chord tube as claimed in claim 2, which is characterized in that the connection component includes the connection of at least two discrete settings
Part, the connector is in long strip, and the both ends of the connector are connected on the joint face of two rack gears.
4. main chord tube as claimed in claim 3, which is characterized in that the connector is connecting plate, at least two connecting plates
The symmetrical or equidistantly distributed on the thickness direction of the rack gear；
The connecting plate extends from the joint face along the engagement normal pressure direction of the teeth or the connecting plate is along the tooth
The width direction of item extends.
5. main chord tube as claimed in claim 4, which is characterized in that the tooth plate has top and bottom, a connecting plate
Plate face flushed with the top surface of at least one tooth plate；
The plate face of another connecting plate is flushed with the bottom surface of at least one tooth plate.
6. main chord tube as described in claim 1, which is characterized in that the main chord tube further includes reinforcer, the reinforcer, institute
Reinforcer is stated to be connected between adjacent two connector.
7. a kind of spud leg, which is characterized in that including multiple horizontal bracing tube structures, multiple interior horizontal bracing pipe structures and it is multiple such as
Main chord tube described in claim 1 to 6 any one；
Multiple main chord tubes are uprightly arranged；
Multiple horizontal stay tube parallelism structural settings, and be successively intervally arranged along the vertical direction, the horizontal bracing tube structure packet
Multiple horizontal stay tubes in same level are included, the horizontal stay tube is connected between adjacent two main chord tube；
Multiple interior horizontal bracing pipe parallelism structural settings, and be successively intervally arranged along the vertical direction；The interior horizontal bracing pipe packet
Multiple interior horizontal bracing pipes in same level are included, are connected to described in adjacent two in the horizontal direction per the interior horizontal bracing pipe
Between horizontal stay tube.
8. spud leg as claimed in claim 7, which is characterized in that multiple main chord tubes include the first main chord tube, the spud leg
It further include multiple down tube structures；
The down tube structure includes multiple down tubes being obliquely installed, the first end of the down tube and first main chord tube
Connection, the second end of the down tube are connected to horizontal bracing tube structure, and the horizontal bracing tube structure is along the vertical direction adjacent to described
The first end of down tube.
9. the teeth of a kind of design method of main chord tube, the main chord tube cooperate for the engaging structure of lifting device, with realization pair
The lifting of the lifting device；It is characterized in that, the main chord tube is main chord tube described in claim 1 to 6 any one, institute
The connection component for stating main chord tube is connecting plate, the design method of the main chord tube the following steps are included:
The outer dimension of each tooth of teeth in the main chord tube is determined according to the shape of the engaging structure of lifting device；
First the width that the tooth plate of the main chord tube is arranged is the width of the teeth when calculating, or according to having for cutting
The plate width of the rack-plate determines the width of the tooth plate；
In first calculate, according to the need condition of lifting means, the width of rack-plate is set；
According to the width of the width of the rack-plate and rack gear, the width of the connecting plate is calculated；
The thickness of connecting plate is determined according to the section modulus of required main chord tube；
The diameter and pipe thickness of the semifocal chord pipe are determined according to the required section modulus；
The pipe thickness for the semifocal chord pipe that contrast conting goes out respectively, the distance of the semifocal chord pipe to tooth plate edge, the connection
Whether the thickness of plate meets preset condition；And the section modulus of the main chord tube is calculated, and compare whether the section modulus meets institute
State required section modulus；
If not satisfied, increasing the width of the tooth plate or increasing the width of the rack-plate, and from described according to the rack-plate
Width and the rack gear width, the step of calculating the width of connecting plate starts to recalculate；
If satisfied, based on the current size of the teeth, the width of tooth plate, the width of rack-plate, connecting plate width and thickness
Degree, the pipe thickness of semifocal chord pipe and diameter, determine the size of the main chord tube.
10. the design method of main chord tube as claimed in claim 9, which is characterized in that the cutting according to required main chord tube
Face mould amount determine the step of diameter and pipe thickness of the semifocal chord pipe the following steps are included:
The diameter of the semifocal chord pipe is determined according to existing loose tool size；
The pipe thickness of the semifocal chord pipe is determined according to the section modulus of required main chord tube and the semifocal chord pipe diameter.
11. the design method of main chord tube as claimed in claim 9, which is characterized in that in the company that the contrast conting goes out
Whether the pipe thickness of the width of fishplate bar, thickness, the semifocal chord pipe, the distance of the semifocal chord pipe to tooth plate edge meet default item
Preset condition described in the step of part includes:
The pipe thickness of the semifocal chord pipe is not more than 100mm；In the junction of the semifocal chord pipe and the rack-plate, the semifocal chord
The distance at tooth plate edge is managed not less than 25mm；The width of the tooth plate is not less than the width of the teeth；The connecting plate
Thickness is no more than 50mm, and is not less than 25mm.
12. the design method that one kind can replace the open web type main chord tube of steel flanged beam main chord tube, which is characterized in that the open web type master
String pipe is main chord tube described in claim 1 to 6 any one；The steel flanged beam main chord tube has steel flanged beam rack-plate, and
The semifocal chord pipe being connected on the steel flanged beam rack-plate；The design side of the open web type main chord tube instead of steel flanged beam main chord tube
The step of method includes:
Based on the size of steel flanged beam rack-plate, semifocal chord pipe in the steel flanged beam main chord tube, design in the open web type main chord tube
Rack-plate, semifocal chord pipe and connecting plate size so that the area of section of the open web type main chord tube is not less than the real abdomen
The area of section of formula main chord tube, and the section modulus of open web type main chord tube is not less than the section modulus of the steel flanged beam main chord tube.
13. can replace the design method of the open web type main chord tube of steel flanged beam main chord tube as claimed in claim 12, feature exists
In the size of the rack-plate based in the steel flanged beam main chord tube, semifocal chord pipe designs the tooth in the open web type main chord tube
The size of batten, semifocal chord pipe and connecting plate the following steps are included:
The equivalent width of the width of the rack-plate of the open web type main chord tube and the rack-plate of the steel flanged beam main chord tube is kept, and
Keep the consistency of thickness of the thickness of the rack-plate of the open web type main chord tube and the rack-plate of the steel flanged beam main chord tube；
The rack gear of the open web type main chord tube is determined according to the steel plate width of the rack gear for cutting the open web type main chord tube
Width；
The width of the connecting plate of the open web type main chord tube is determined according to the width of the rack gear of the fixed open web type main chord tube
Degree；
At least through the diameter or pipe thickness of the semifocal chord pipe for increasing the open web type main chord tube, and the thickness of the adjustment connecting plate
One of degree method, so that the area of section of the open web type main chord tube is not less than the area of section of the steel flanged beam main chord tube, and
The section modulus of the open web type main chord tube is not less than the section modulus of the steel flanged beam main chord tube.
14. can replace the design method of the open web type main chord tube of steel flanged beam main chord tube as claimed in claim 12, feature exists
In the size of the rack-plate based in the steel flanged beam main chord tube, semifocal chord pipe designs the tooth in the open web type main chord tube
The size of batten, semifocal chord pipe and connecting plate the following steps are included:
The consistency of thickness of the thickness of the rack-plate of the open web type main chord tube and the rack-plate of steel flanged beam main chord tube is kept, and is kept
The semifocal chord pipe radian of the open web type main chord tube and the semifocal chord pipe radian of steel flanged beam main chord tube are consistent；
The width of the open web type rack gear is determined according to the steel plate width of the rack gear for cutting the open web type main chord tube；
At least through width, the semifocal chord tube wall thickness and the connection of rack-plate described in adjustment open web type main chord tube
One of width and thickness method of plate, so that the area of section of the open web type main chord tube is not less than the steel flanged beam main chord tube
Area of section, and the section modulus of the open web type main chord tube is not less than the section modulus of the steel flanged beam main chord tube.
15. can replace the design method of the open web type main chord tube of steel flanged beam main chord tube as claimed in claim 12, feature exists
In the size of the rack-plate based in the steel flanged beam main chord tube, semifocal chord pipe designs the tooth in the open web type main chord tube
The size of batten, semifocal chord pipe and connecting plate the following steps are included:
The rack gear board width of open web type main chord tube and the rack-plate equivalent width of steel flanged beam main chord tube are kept, and keeps open web type master
The rack gear plate thickness of string pipe and the rack-plate consistency of thickness of steel flanged beam main chord tube；
Keep the semifocal chord pipe diameter of open web type main chord tube consistent with the semifocal chord pipe diameter of steel flanged beam main chord tube；
The rack gear of the open web type main chord tube is determined according to the steel plate width of the rack gear for cutting the open web type main chord tube
Width；
The width of the connecting plate is determined based on the width of the rack gear of the open web type main chord tube；
At least through the pipe thickness for the semifocal chord pipe for increasing open web type main chord tube, and the adjustment connecting plate thickness approach it
One, so that the area of section of the open web type main chord tube is not less than the area of section of the steel flanged beam main chord tube, and the empty stomach
The section modulus of formula main chord tube is not less than the section modulus of the steel flanged beam main chord tube.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113417268A (en) * | 2021-05-31 | 2021-09-21 | 武汉船用机械有限责任公司 | Lifting system of ocean platform |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201050057Y (en) * | 2007-04-13 | 2008-04-23 | 中国海洋石油总公司 | Marine drilling platform reinforced pile leg |
| CN202969401U (en) * | 2012-11-09 | 2013-06-05 | 大连船舶重工集团有限公司 | Truss self-lifting platform pile leg |
| CN103968737A (en) * | 2013-01-28 | 2014-08-06 | 龙口中集来福士海洋工程有限公司 | Tool and method for detecting pile leg main side pipe assembling parameters |
| CN204212137U (en) * | 2014-11-05 | 2015-03-18 | 中集海洋工程研究院有限公司 | Truss leg structure and asymmetric main chord tube thereof |
| CN104805815A (en) * | 2014-07-28 | 2015-07-29 | 烟台中集来福士海洋工程有限公司 | Pile leg rack mounting method and rack mounting device |
| CN204690716U (en) * | 2015-06-15 | 2015-10-07 | 上海外高桥造船有限公司 | A kind of leg chord of pile legs of self-elevating drilling platform |
-
2019
- 2019-05-13 CN CN201910393870.2A patent/CN110306513B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201050057Y (en) * | 2007-04-13 | 2008-04-23 | 中国海洋石油总公司 | Marine drilling platform reinforced pile leg |
| CN202969401U (en) * | 2012-11-09 | 2013-06-05 | 大连船舶重工集团有限公司 | Truss self-lifting platform pile leg |
| CN103968737A (en) * | 2013-01-28 | 2014-08-06 | 龙口中集来福士海洋工程有限公司 | Tool and method for detecting pile leg main side pipe assembling parameters |
| CN104805815A (en) * | 2014-07-28 | 2015-07-29 | 烟台中集来福士海洋工程有限公司 | Pile leg rack mounting method and rack mounting device |
| CN204212137U (en) * | 2014-11-05 | 2015-03-18 | 中集海洋工程研究院有限公司 | Truss leg structure and asymmetric main chord tube thereof |
| CN204690716U (en) * | 2015-06-15 | 2015-10-07 | 上海外高桥造船有限公司 | A kind of leg chord of pile legs of self-elevating drilling platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417268A (en) * | 2021-05-31 | 2021-09-21 | 武汉船用机械有限责任公司 | Lifting system of ocean platform |
| CN113417268B (en) * | 2021-05-31 | 2022-07-26 | 武汉船用机械有限责任公司 | Lifting system of ocean platform |
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|---|---|
| CN110306513B (en) | 2021-05-18 |
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