CN206288864U - A kind of jib boom structure on ship - Google Patents
A kind of jib boom structure on ship Download PDFInfo
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- CN206288864U CN206288864U CN201621253652.7U CN201621253652U CN206288864U CN 206288864 U CN206288864 U CN 206288864U CN 201621253652 U CN201621253652 U CN 201621253652U CN 206288864 U CN206288864 U CN 206288864U
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- resistance portion
- bending resistance
- bearing
- pulley
- stem
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Abstract
The utility model discloses the jib boom structure on a kind of ship, its drip irrigation device is to include boom body, and the boom body includes stem, afterbody and bending resistance portion, and stem and afterbody are connected by bending resistance portion, and bending resistance portion is in arc-shaped;One end of stem is provided with the first bearing, and first pulley is provided with the first bearing, and the first bearing is provided with the first boss being connected with stem, and stem is provided with for carrying out spacing cylindrical tube to pull rope, and cylindrical tube is hollow-core construction;The side in bending resistance portion is provided with the second bearing, second pulley is provided with second bearing, the opposite side in bending resistance portion is provided with the 3rd boss fitted with bending resistance portion outer wall profile, and the utility model aims to provide a kind of jib boom structure on purification of water quality ship crane, a kind of ship that rope can be made to stablize folding and unfolding.
Description
Technical field
The utility model is related to the crane on a kind of ship, more specifically, it relates to the crane on a kind of ship
Cantilever design.
Background technology
Purification of water quality ship is a kind of ship for collecting over-water floats, and lifting would generally be installed on purification of water quality ship
Machine, is salvaged by using crane to the floating object of heavier mass.Crane drives lifting rope, one end of lifting rope by motor
Suspension hook is installed, the action realized the lifting of suspension hook and decline by the folding and unfolding of lifting rope, in order that the folding and unfolding that lifting rope can be stablized, leads to
Suspension hook is tensed using pull rope often, prevents wind from rock lifting rope.Lifting rope is placed on jib boom, to ensure lifting rope energy
The folding and unfolding of stabilization, jib boom needs good guide effect and structural stability.But existing jib boom structure is difficult
With preferably meet it is above-mentioned needed for requirement, and cause rope can not stablize folding and unfolding.
The content of the invention
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of for purification of water quality ship lifting
Machine, the jib boom structure that can make on the ship of rope stabilization folding and unfolding.
To achieve the above object, the utility model provides following technical scheme:A kind of jib boom knot on ship
Structure, including boom body, it is characterised in that:The boom body include stem, afterbody and bending resistance portion, bending resistance portion be placed in stem and
Between afterbody, bending resistance portion is in arc-shaped, and the radian in bending resistance portion is π/8~pi/2;One end of stem is provided with the first bearing, first
First pulley is provided with seat, the first bearing is provided with the first boss being connected with stem, and stem is provided with for pull rope
Spacing cylindrical tube is carried out, cylindrical tube is hollow-core construction;Bending resistance portion is provided with the second bearing, and the second cunning is provided with the second bearing
Wheel;Second bearing is provided with reinforcement group, and reinforcement group includes the first reinforcement, the second reinforcement and the second boss, and second strengthens
Block is connected with bending resistance portion, and the first reinforcement, the second reinforcement and the second boss are connected to form triangle;Bending resistance portion is provided with
The 3rd boss fitted with bending resistance portion outer wall profile, the two ends of the 3rd boss are connected by supporting part with bending resistance portion.
By using above-mentioned technical proposal, during crane use, the lifting rope that one end is provided with suspension hook passes through motor
Drive slided in first pulley and second pulley, act to realize fishing by the folding and unfolding of lifting rope.By cantilever sheet
Body includes stem, afterbody and bending resistance portion, and the stem and afterbody are connected by bending resistance portion, and the bending resistance portion is in arc-shaped, is being entered
During row fishing, the gravity of floating object and the gravity of stem hung on suspension hook can resist the effect that turn of bilge produces bending,
So as to bending resistance portion produces to support resistant to bending stress and reaction force is produced, counterforce counteraction makes bending resistance portion produce bending
Power, prevents bending resistance portion from further bending, so as to by setting bending resistance portion, increased boom body to resistant to bending ability, makes to hang
Arm body is in fishing, and the bending that boom body is produced is small, and the structural stability of boom body increases, so that lifting rope energy
The folding and unfolding stablized.Radian by bending resistance portion is π/8~pi/2, when the radian in bending resistance portion is less than π/8, the arc in bending resistance portion
Spend it is small and close to linear, when bending resistance portion produces bending, bending resistance portion produce support resistant to bending stress and reaction force compared with
Small, bending resistance portion is small to resistant to bending ability, and bending resistance portion is also easy to produce larger bending, makes the structural instability of boom body, so that
Make the folding and unfolding of lifting rope unstable;When the radian in bending resistance portion is more than pi/2, the radian in bending resistance portion is excessive, and the end in bending resistance portion is subject to
During pressure, the bending that the middle part in bending resistance portion produces it is small and can not produce it is larger to resistant to bending stress and reaction force so that
Make the end in bending resistance portion produce larger bending to produce to resistant to bending stress and reaction force, reach the stress in bending resistance portion
To balance, bending resistance portion end bends the structural instability of ambassador's boom body, so as to cause the folding and unfolding of lifting rope unstable;Work as bending resistance
When the radian in portion is π/8~pi/2, when the end in bending resistance portion is under pressure and produces bending, bending resistance portion can produce larger resistance
The stress and reaction force of bending, the less bending of bending resistance portion generation can just make the stress balance in bending resistance portion and not continue to curved
Folding and unfolding that is bent, it is ensured that the structural stability of boom body, enabling lifting rope to stablize.Bending resistance portion is provided with and bending resistance portion outer wall profile phase
3rd boss of laminating, the two ends of the 3rd boss are connected by supporting part with bending resistance portion, and the outer wall of supporting part is inclined
Shape, can produce extruding to supporting part when bending resistance portion is bent, supporting part is squeezed and produces slight deformation and produce anti-
Active force, in bending resistance portion, counteract a part makes bending resistance portion produce the power of bending to reaction force acts, so that bending resistance portion resists
The ability of bending increases, it is ensured that the structural stability in bending resistance portion, so that the folding and unfolding that drawstring can be stablized.By one end of stem
The first bearing is provided with, first pulley is provided with first bearing, first bearing is provided with the first reinforcement being connected with stem
Block, the side in bending resistance portion is provided with the second bearing, and second pulley is provided with second bearing, and second bearing is provided with and bending resistance
Second boss of portion's connection, first pulley and second pulley play the guiding role to lifting rope, are slided first pulley and second is set
During wheel, for ensure lifting rope can in first pulley and second pulley can straight stabilization slip, it is necessary to make the chute of first pulley
In being generally aligned in the same plane with the chute of second pulley, make to be not likely to produce laterally offset during drawstring folding and unfolding, so that drawstring can be carried out
The folding and unfolding of stabilization.One end that lifting rope is provided with suspension hook is sagging by first pulley, and when lifting rope passes through second pulley, lifting rope is elevated, and prevents
Only lifting rope contacts generation friction with bending resistance portion and makes the folding and unfolding of lifting rope hindered, meanwhile, second pulley has component to lifting rope
Supporting role, second pulley produces upward power to counteract the pulling force that a part of lifting rope is subject to drawstring, so as to reduce lifting rope
To the pressure of first pulley, it is ensured that the structure of first pulley and the stability of position, so that drawstring can be in first pulley
The folding and unfolding stablized.First pulley is added by the first seat supports and fixation, first be connected with stem by setting one end
Strong block, auxiliary connection is carried out to first support and stem, increases the bonding strength of the first bearing, it is ensured that the structure of first support
Stability, so that the folding and unfolding that drawstring can be stablized.Second pulley passes through the second seat supports and fixation, by the second bearing
Reinforcement group is provided with, reinforcement group includes the first reinforcement, the second reinforcement and the second boss, and the second boss connects with bending resistance portion
Connect, the first reinforcement, the second reinforcement and the second boss are connected to form triangle, by the second boss to the second bearing
Auxiliary connection is carried out with bending resistance portion, increases the bonding strength of the second bearing, it is ensured that the stable connection of the second bearing, by first
Reinforcement and the second reinforcement are strengthened the second bearing, and structure is connected by the first reinforcement, the second reinforcement and bending resistance portion
Triangularity, using the stability of triangle, makes reinforcement group increased the structural stability of the second bearing, and the second bearing is difficult to produce
Change shape, so that the folding and unfolding that lifting rope can be stablized in second pulley.It is provided with for limiting pull rope by stem
The cylindrical tube of position, pull rope can be passed through from hollow cylindrical tube inside, and one end of pull rope is connected to suspension hook, pull rope it is another
End is connected with motor, by the drive of motor, pull rope is cooperateed with folding and unfolding with lifting rope;By the spacing of hollow cylindrical tube, energy
Make pull rope that effective tension is carried out to suspension hook in the oblique upper of suspension hook, and can guarantee that suspension hook in folding and unfolding to the position of any fixation
When, in an angle fixed between pull rope and lifting rope, so as to ensure the traction effect of pull rope, pull rope tenses suspension hook, prevents
Only wind makes suspension hook produce inclination and drive lifting rope to incline, so that the folding and unfolding that lifting rope can be stablized.
The utility model is further arranged to:The first pulley is provided with the guiding gutter for draining.
By using above-mentioned technical proposal, when purification of water quality ship salvages floating object, lifting rope can enter in water with suspension hook
And water is infected with, when lifting rope withdraws, wet lifting rope is contacted with first pulley, and the water conservancy diversion for draining is provided with by first pulley
Groove, guiding gutter is arranged on the chute outer wall of first pulley, and when wet lifting rope is slided in chute, lifting rope is subject to first pulley
Pressure, the water on lifting rope is extruded, and the water of extrusion can discharge first pulley by guiding gutter, prevent water from staying in first pulley
Make to produce skidding between lifting rope and first pulley and lifting rope between, so that lifting rope can smoothly folding and unfolding.
The utility model is further arranged to:The first support is provided with the baffle plate for keeping off the rain.
By using above-mentioned technical proposal, the baffle plate for keeping off the rain is provided with by first support, prevents rainwater from falling
First pulley is caused to be skidded with lifting rope on one pulley, so that the folding and unfolding that lifting rope can be stablized.
The utility model is further arranged to:The inwall at the cylindrical tube two ends is provided with flexible layer.
By using above-mentioned technical proposal, flexible layer is provided with by the inwall at cylindrical tube two ends, flexible layer is around circlewise simultaneously
It is fitted on the inwall of cylindrical tube, flexible layer can be cotton or polyurethane fiber, pull rope leads in cylindrical tube internal slide
Messenger is inconsistent with the two ends of cylindrical tube, and flexible layer can reduce the abrasion of pull rope, increased the service life of pull rope, together
When prevent pull rope wear and tear the slip of pull rope is had some setbacks, it is ensured that pull rope can tense suspension hook and prevent wind make suspension hook produce incline
Tiltedly lifting rope is driven to incline, so that the folding and unfolding that lifting rope can be stablized.
The utility model is further arranged to:The double containment axis of rolling is configured between the first pulley and the first bearing
Hold.
The utility model is further arranged to:The double containment axis of rolling is configured between the second pulley and the second bearing
Hold.
By using above-mentioned technical proposal, by being configured with double containment rolling bearing between first pulley and first support,
It is configured with double containment rolling bearing between second pulley and second support, double containment rolling bearing has good sealing and resistance to
With property, first pulley and second pulley is set normally to work for a long time, so as to ensure that purification of water quality ship can be carried out for a long time
Fishing.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the schematic diagram of the working condition of the utility model embodiment.
Fig. 3 is the partial schematic diagram of the utility model embodiment.
Reference is in figure:1st, boom body;2nd, stem;3rd, bending resistance portion;4th, afterbody;21st, the first bearing;211st, first
Boss;212, baffle plate;22nd, first pulley;221st, guiding gutter;23rd, cylindrical tube;231st, flexible layer;31st, the second bearing;310、
Reinforcement group;311st, the second boss;312nd, the first reinforcement;313rd, the second reinforcement;32nd, second pulley;33rd, the 3rd strengthens
Block;331st, supporting part;5th, lifting rope;6th, suspension hook;7th, pull rope;8th, double containment rolling bearing.
Specific embodiment
The utility model embodiment is described further referring to figs. 1 to Fig. 3.
A kind of jib boom structure on ship, including boom body 1, it is characterised in that:The boom body includes
Stem 2, afterbody 4 and bending resistance portion 3, stem 2 and afterbody 4 are connected by bending resistance portion 3, and bending resistance portion 3 is in arc-shaped, the arc in bending resistance portion 3
It is π/8~pi/2 to spend;One end of stem 2 is provided with the first bearing 21, and first pulley 22, the first bearing 21 are provided with the first bearing 21
The first boss 211 being connected with stem 2 is provided with, stem 2 is provided with for carrying out spacing cylindrical tube 23, cylinder to pull rope 7
Pipe 23 is hollow-core construction, and the inwall at the two ends of cylindrical tube 23 is provided with flexible layer 231;The side in bending resistance portion 3 is provided with the second bearing 31, the
Second pulley 32 is provided with two bearings 31, the opposite side in bending resistance portion 3 is provided with the 3rd reinforcement fitted with the outer wall profile of bending resistance portion 3
Block 33, the second bearing 31 is provided with reinforcement group, and reinforcement group includes the first reinforcement 312, the second reinforcement 313 and the second boss
311, the second boss 311 is connected with bending resistance portion 3, and the first reinforcement 312, the second reinforcement 313 are connected with the second boss 311
Connect triangle;The two ends of the 3rd boss 33 are connected by supporting part 331 with bending resistance portion 3.
By using above-mentioned technical proposal, during crane use, one end is provided with the lifting rope 5 of suspension hook 6 by electronic
The drive of machine is slided in first pulley 22 and second pulley 32, acts to realize fishing by the folding and unfolding of lifting rope 5.Pass through
Boom body 1 includes stem 2, afterbody 4 and bending resistance portion 3, and the stem 2 and afterbody 4 are connected by bending resistance portion 3, the bending resistance portion 3
In arc-shaped, when fishing is carried out, the gravity of floating object and the gravity of stem 2 hung on suspension hook 6 can resist turn of bilge 3
The effect of bending is produced, so that bending resistance portion 3 produces to support resistant to bending stress and produces reaction force, counterforce counteraction makes to resist
Turn of bilge 3 produces the power of bending, prevents bending resistance portion 3 from further bending, so as to by setting bending resistance portion 3, increased boom body 2 and support
Resistant to bending ability, makes boom body 1 in fishing, and the bending that boom body 1 is produced is small, and the structure of boom body 1 is steady
Qualitative increase, so that the folding and unfolding that lifting rope 5 can be stablized.Radian by bending resistance portion 3 is π/8~pi/2, when bending resistance portion 3
When radian is less than π/8, the radian in bending resistance portion 3 it is too small and close to linear, when bending resistance portion 3 produces bending, bending resistance portion 3 produces and supports
Resistant to bending stress and reaction force are smaller, and bending resistance portion 3 is small to resistant to bending ability, and bending resistance portion 3 is also easy to produce larger bending,
Make the structural instability of boom body 1, so that the folding and unfolding of lifting rope 5 is unstable;When the radian in bending resistance portion 3 is more than pi/2, bending resistance portion
3 radian is excessive, when the end in bending resistance portion 3 is under pressure, the bending that the middle part in bending resistance portion 3 produces is small and can not produce larger
To resistant to bending stress and reaction force, so that the larger bending of the end generation in bending resistance portion 3 is answered with producing to resistant to bending
Power and reaction force, make the stress in bending resistance portion 3 reach balance, and the structure that the end of bending resistance portion 3 bends ambassador's boom body 1 is unstable
It is fixed, so as to cause the folding and unfolding of lifting rope 5 unstable;When the radian in bending resistance portion 3 is π/8~pi/2, the end 3 in bending resistance portion is pressed
Power and when producing bending, bending resistance portion 3 can produce larger to resistant to bending stress and reaction force, and bending resistance portion 3 produces less
Bending can just make the stress balance in bending resistance portion 3 and not continue to bending, it is ensured that the structural stability of boom body 1, make to hang
The folding and unfoldings that rope 5 can be stablized.The 3rd boss 33 fitted with the outer wall profile of bending resistance portion 3 is provided with by bending resistance portion 3, turn of bilge is resisted
3 are strengthened, and the two ends of the 3rd boss 33 are connected by supporting part with bending resistance portion 3, and the outer wall of supporting part 331 is inclined
Shape, extruding can be produced when bending resistance portion 3 is bent to supporting part 331, and supporting part 331 is squeezed and produces slight deformation simultaneously
Reaction force is produced, in bending resistance portion 3, counteract a part makes bending resistance portion 3 produce the power of bending to reaction force acts, so that anti-
Turn of bilge 3 increases to resistant to bending ability, it is ensured that the structural stability in bending resistance portion 3, so that the folding and unfolding that drawstring 5 can be stable.It is logical
The one end for crossing stem 2 is provided with the first bearing 21, and first bearing 21 is interior to be provided with first pulley 22, and first bearing 21 is provided with
The first boss 211 being connected with stem 2, the side in bending resistance portion is provided with the second bearing 31, and second is provided with second bearing
Pulley 32, second bearing 31 is provided with the second boss 311 being connected with bending resistance portion 3, first pulley 22 and second pulley 32
Lifting rope 5 is play the guiding role, when first pulley 22 and second pulley 32 is set, to ensure that lifting rope 5 can be in the He of first pulley 22
The slip of the straight stabilization of energy is, it is necessary to make the chute of the chute of first pulley 22 and second pulley 32 positioned at same in second pulley 32
In plane, make to be not likely to produce laterally offset during 5 folding and unfolding of lifting rope, so that the folding and unfolding that drawstring 5 can be stablized.Lifting rope 5 is provided with and hangs
One end of hook 6 is sagging by first pulley 22, and when lifting rope 5 passes through second pulley 32, lifting rope is elevated, and prevents lifting rope 5 and bending resistance portion 3
Contact produces friction and makes the folding and unfolding of lifting rope 5 hindered, meanwhile, second pulley 32 is acted on lifting rope 5 with component supports, the
Two pulleys 32 produce upward power to lifting rope 5 and counteract the pulling force that a part of lifting rope 5 is subject to, so as to reduce lifting rope 5 pair
The pressure of one pulley 22, it is ensured that the stability of the structure of first pulley 22, so that lifting rope 5 can be carried out in first pulley 22
The folding and unfolding of stabilization.When purification of water quality ship salvages floating object, lifting rope 5 can be infected with water into water together with suspension hook 6, when lifting rope 5
During withdrawal, wet lifting rope 5 is contacted with first pulley 22, and the guiding gutter 221 for draining, water conservancy diversion are provided with by first pulley 22
Groove 221 is arranged on the chute outer wall of first pulley 22, and circumferentially extends cyclization in chute, when wet lifting rope 5 is sliding in chute
When dynamic, lifting rope 5 is subject to the pressure of first pulley 22, the water on lifting rope 5 to be extruded, and the water of extrusion can be by the row of guiding gutter 221
Go out first pulley, prevent water from staying in makes to produce skidding between lifting rope 5 and first pulley 22 between first pulley 22 and lifting rope 5, from
And enable the smoothly folding and unfolding of lifting rope 5;In addition, first pulley 22 is supported and fixed by the first bearing 21, by set one end with
First boss 211 of the connection of stem 2, auxiliary connection is carried out to the first bearing 21 and stem 2, increases the connection of the first bearing 21
Intensity, it is ensured that the structural stability of first support 21, so that the folding and unfolding that drawstring 5 can be stablized;By in first support 21
The baffle plate 212 for keeping off the rain is provided with, prevents rainwater from falling in first pulley 22 and causing first pulley 22 to be skidded with lifting rope 5, from
And enable the folding and unfolding of the stabilization of lifting rope 5.Second pulley 32 is supported and fixed by the second bearing 31, is provided with by the second bearing 31 and added
Strong group 310, reinforcement group 310 includes the first reinforcement 312, the second reinforcement 313 and the second boss 311, the second boss 311
It is connected with bending resistance portion 3, first reinforcement 312, the second reinforcement 313 and the second boss 311 are connected to form triangle,
Auxiliary connection is carried out by 311 pairs of the second bearings 31 of the second boss and bending resistance portion 3, increases the bonding strength of the second bearing 31,
The stable connection of the second bearing 31 is ensure that, is added by 313 pairs of the second bearings 31 of the first reinforcement 312 and the second reinforcement
By force, triangle is connected and composed by the first reinforcement 312, the second reinforcement 313 and bending resistance portion 311, using the stabilization of triangle
Property, reinforcement group 310 is increased the structural stability of the second bearing 31, the second bearing 31 is not likely to produce deformation, so that lifting rope 5
The folding and unfolding that can be stablized in second pulley 32.It is provided with for carrying out spacing cylindrical tube 23 to pull rope 7 by stem 2,
Pull rope 7 can be passed through from the inside of cylindrical tube 23 23 of hollow-core construction, and one end of pull rope 7 is connected to suspension hook 6, pull rope 7
The other end is connected with motor, by the drive of motor, pull rope 7 is cooperateed with folding and unfolding with lifting rope 5;By the cylinder of hollow-core construction
Pipe 23 it is spacing, can make pull rope 7 that effective tension is carried out to suspension hook 6 in the oblique upper of suspension hook, and can guarantee that suspension hook 6 in folding and unfolding
To any fixation position when, between pull rope 7 and lifting rope 5 in one fix angle so that ensure pull rope 7 traction effect
Really, pull rope 7 tenses suspension hook 6, prevents wind from produce suspension hook 6 and inclines and drive lifting rope 5 to incline, so that lifting rope 5 can be stable
Folding and unfolding.Flexible layer 231 is provided with by the inwall at the two ends of cylindrical tube 23, flexible layer 231 is around circlewise and being fitted in cylindrical tube 23
On inwall, flexible layer 231 can be cotton or polyurethane fiber, pull rope 7 in 23 internal slide of cylindrical tube, pull rope 7 with
The two ends of cylindrical tube 23 are inconsistent, and flexible layer 231 can reduce the abrasion of pull rope 7, increased the service life of pull rope 7,
Preventing pull rope 7 from wearing and tearing simultaneously makes the slip of pull rope 7 have some setbacks, it is ensured that pull rope 7 can tense suspension hook 6 and prevent the wind from making suspension hook
6 produce inclination and drive lifting rope 5 to incline, so that the folding and unfolding that lifting rope 5 can be stable.By first pulley 22 and first support 21 it
Between be configured with double containment rolling bearing 8, double containment rolling bearing 8, double density are configured between second pulley 32 and second support 31
Envelope rolling bearing 8 has good sealing and durability, enables first pulley 22 and second pulley 32 normal work for a long time
Make, so as to ensure that purification of water quality ship can for a long time carry out fishing.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, the skill of this area
Art personnel carry out common variations and alternatives in the range of technical solutions of the utility model and should be included in guarantor of the present utility model
In the range of shield.
Claims (6)
1. a kind of jib boom structure on ship, including boom body, it is characterised in that:The boom body includes head
Portion, afterbody and bending resistance portion, bending resistance portion are placed between stem and afterbody, and bending resistance portion is in arc-shaped, the radian in bending resistance portion for π/8~π/
2;One end of stem is provided with the first bearing, and first pulley is provided with the first bearing, and the first bearing is provided be connected with stem
One boss, stem is provided with for carrying out spacing cylindrical tube to pull rope, and cylindrical tube is hollow-core construction;Bending resistance portion is provided with
Second bearing, second pulley is provided with the second bearing;Second bearing is provided with reinforcement group, and reinforcement group includes the first reinforcement, the
Two reinforcements and the second boss, the second boss are connected with bending resistance portion, the first reinforcement, the second reinforcement and the second boss
It is connected to form triangle;Bending resistance portion is provided with the 3rd boss fitted with bending resistance portion outer wall profile, the 3rd boss
Two ends are connected by supporting part with bending resistance portion.
2. the jib boom structure on a kind of ship according to claim 1, it is characterised in that:In the first pulley
It is provided with the guiding gutter for draining.
3. the jib boom structure on a kind of ship according to claim 1, it is characterised in that:In the first support
It is provided with the baffle plate for keeping off the rain.
4. the jib boom structure on a kind of ship according to claim 1, it is characterised in that:The cylindrical tube two ends
Inwall be provided with flexible layer.
5. the jib boom structure on a kind of ship according to claim 1, it is characterised in that:The first pulley and
Double containment rolling bearing is configured between first bearing.
6. the jib boom structure on a kind of ship according to claim 1, it is characterised in that:The second pulley and
Double containment rolling bearing is configured between second bearing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621253652.7U CN206288864U (en) | 2016-11-14 | 2016-11-14 | A kind of jib boom structure on ship |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621253652.7U CN206288864U (en) | 2016-11-14 | 2016-11-14 | A kind of jib boom structure on ship |
Publications (1)
Publication Number | Publication Date |
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CN206288864U true CN206288864U (en) | 2017-06-30 |
Family
ID=59099851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621253652.7U Expired - Fee Related CN206288864U (en) | 2016-11-14 | 2016-11-14 | A kind of jib boom structure on ship |
Country Status (1)
Country | Link |
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CN (1) | CN206288864U (en) |
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2016
- 2016-11-14 CN CN201621253652.7U patent/CN206288864U/en not_active Expired - Fee Related
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20201114 |
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CF01 | Termination of patent right due to non-payment of annual fee |