CN103112549B - Portable ship flagpole retraction and releasing device - Google Patents
Portable ship flagpole retraction and releasing device Download PDFInfo
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- CN103112549B CN103112549B CN201310085832.3A CN201310085832A CN103112549B CN 103112549 B CN103112549 B CN 103112549B CN 201310085832 A CN201310085832 A CN 201310085832A CN 103112549 B CN103112549 B CN 103112549B
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- flagpole
- torsion spring
- base
- connection block
- axle
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Abstract
The invention relates to a flagpole retraction and releasing device and in particular to a portable ship flagpole retraction and releasing device applied to a ship. The portable ship flagpole retraction and releasing device comprises a base, a shaft on the base, a torsion spring sleeved on the shaft, a connecting seat which is rotationally connected with the base, and a flagpole sleeve fixed on the connecting seat, wherein at least part of a torsion arm of the torsion spring is fixedly connected with the connecting seat; when the flagpole sleeve is in a vertical state, the torsion of the torsion spring is lowest; and the torsion spring always can generate torsion moment which can offset partial gravity torque in the process of retracting and releasing a flagpole, and thus the motion direction of the flagpole can be controlled by being applied with little external torque through ship crews or other equipment.
Description
Technical field
The present invention relates to a kind of flagpole draw off gear, especially relate to the light draw off gear of a kind of naval vessel flagpole.
Background technology
The SA type reversible jack staff that the ship bow flagpole that shipbuilding industry configures mainly designs and produces according to shipbuilding industry standard C B* 22-84 " steel bow ensign staff " and SB type support type jack staff.SB type support type jack staff is applicable to ship for civil use, and in use procedure, jack staff was without the need to falling.SA type reversible jack staff is applicable to the ship of war.Because ship of war bow deck is furnished with warship canon, in operational training or when formally fighting, jack staff all must fall to deck and fix.
At present, SA type reversible jack staff must be held to take advantage of a situation by manpower and fall, and regaining also must manpower pushed home.Along with naval vessel tonnage increases, the weight of jack staff also increases thereupon.On the large-scale novel naval vessels built at present, jack staff 8 ~ 10 people must be held and could light and slow taking advantage of a situation put down, and then the spacing hole on flagpole end alignment deck is fixed with clip; Vertical state to be recovered to, manpower still must be relied on to complete.This mode of operation can also complete reluctantly at harbour ash breeze, but if there is stormy waves, this mode of operation can bring very large potential safety hazard.
Summary of the invention
In view of this, be necessary, for the problem that there is potential safety hazard in above-mentioned SA type reversible jack staff folding and unfolding process, to provide a kind of naval vessel flagpole light draw off gear; Only need a small amount of manpower to assist in the folding and unfolding process of flagpole, or do not need manpower to assist, thus reach safe and reliable object.
The present invention is by the following technical solutions:
The light draw off gear of a kind of naval vessel flagpole, comprise the axle in base, mounting seat, the torsion spring be socketed on axle, the Connection Block, the flagpole sleeve pipe be fixed on Connection Block that are rotatably connected with base; The torque arm of described torsion spring at least partly and Connection Block be fixedly linked; During described flagpole sleeve pipe process erected state, the torsion of torsion spring is minimum.
Described base comprises base plate, is fixed on two stay bearing plates on base plate and symmetrical, and described stay bearing plate is provided with the hole coordinated with axle; Described Connection Block comprises removable bottom, two connecting panels; Described connecting panel one end and removable bottom are fixedly linked, and the other end is provided with the hole coordinated with axle.
Described torsion spring is torsion spring, and described base also comprises to be located on base plate and the positive stop hook can fixed in the middle part of torsion spring; Two torque arm of described torsion spring are connected with Connection Block by the anchor shaft being fixed on Connection Block; Described flagpole sleeve pipe is positioned at the middle part of removable bottom.
When described flagpole sleeve pipe is in vertical state, the torsional moment that torsion spring produces is greater than 0; When described flagpole sleeve pipe is in and fell state, the torsional moment that torsion spring produces is less than flagpole and produces gravity torque in the axis place of axle.
Relative to prior art, the invention has the beneficial effects as follows:
1, torsion spring is in the process of flagpole folding and unfolding, and can produce the torsional moment of offsetting flagpole part gravity torque all the time, warship person or miscellaneous equipment only need apply the sense of motion that little applied moment just can control flagpole.
2, when described flagpole sleeve pipe is in vertical state, the torsional moment that torsion spring produces is greater than 0, can guarantee that flagpole can not under automatic pouring; When described flagpole sleeve pipe is in and fell state, the torsional moment that torsion spring produces is less than flagpole and produces gravity torque in the axis place of axle, can guarantee that flagpole can not be upspring automatically.
3, the present invention makes the flagpole folding and unfolding work of original many people's ability folding and unfolding, changes into and only needs 1 to 2 people or do not need manpower to complete; Stop the potential safety hazard in flagpole folding and unfolding work, and structure is simple, use reliable, maintenance is convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of one of them embodiment of the present invention.
In figure: 1-axle, 2-torsion spring, 3-flagpole sleeve pipe, 4-base plate, 5-stay bearing plate, 6-positive stop hook, 7-removable bottom, 8-connecting panel, 9-anchor shaft.
Detailed description of the invention
For the ease of it will be appreciated by those skilled in the art that the present invention is described further below in conjunction with accompanying drawing and embodiment.
Figure 1 shows that one of them embodiment of the present invention, the light draw off gear of this naval vessel flagpole comprises the axle 1 in base, mounting seat, the torsion spring 2 be socketed on axle 1, the Connection Block, the flagpole sleeve pipe 3 be fixed on Connection Block that are rotatably connected with base.Described base is fixed on hull.
Described base comprises base plate 4, is fixed on two stay bearing plates 5 on base plate 4 and symmetrical, is located on base plate 4 and can fixes the positive stop hook 6 in the middle part of torsion spring 2, and described stay bearing plate 5 is provided with the hole coordinated with axle 1.Described Connection Block comprises removable bottom 7, two connecting panel 8, and described connecting panel 8 one end and removable bottom 7 are fixedly linked, and the other end is provided with the hole coordinated with axle 1.The end of two torque arm of described torsion spring is hook-shaped, and is connected with the anchor shaft 9 being fixed on Connection Block; Described flagpole sleeve pipe 3 is positioned at the middle part of removable bottom 7.
When described flagpole sleeve pipe 3 is in vertical state, the deflection of torsion spring 2 is minimum, and the torsional moment that torsion spring 2 produces is greater than 0; When described flagpole sleeve pipe 3 is in and fell state, the torsional moment that torsion spring 2 produces is less than flagpole and produces gravity torque in the axis place of axle 1.
During work, flagpole inserts flagpole cover.The process of falling of described flagpole is: after the flagpole fixing hoop that gets loose (being installed on naval vessels foreship), hold flagpole steel pipe by 1 ~ 2 people to pull down, after being pulled away from perpendicular line certain angle, flagpole no longer can automatically return to vertical position, flagpole continues toward transferring by manpower more gradually, put in place until fall, fixed with clip complete.
The erection process of described flagpole is: after the flagpole fixing hoop that gets loose (being installed on naval vessels foreship), hold flagpole steel pipe by 1 ~ 2 people upwards to lift, lift to after perpendicular line certain angle, flagpole will can automatically return to vertical position gradually, personnel send before continuing auxiliary flagpole again, until flagpole vertically puts in place, fix complete with clip.
The above embodiment only have expressed one embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (4)
1. the light draw off gear of naval vessel flagpole, the Connection Block comprising base, be rotatably connected with base, is characterized in that: also comprise the axle be arranged on base, the torsion spring be socketed on axle, the flagpole sleeve pipe be fixed on Connection Block; The torque arm of described torsion spring at least partly and Connection Block be fixedly linked; When described flagpole sleeve pipe is in erected state, the torsion of torsion spring is minimum.
2. the light draw off gear of naval vessel according to claim 1 flagpole, is characterized in that: described base comprises base plate, is fixed on two stay bearing plates on base plate and symmetrical, and described stay bearing plate is provided with the hole coordinated with axle; Described Connection Block comprises removable bottom, two connecting panels; Described connecting panel one end and removable bottom are fixedly linked, and the other end is provided with the hole coordinated with axle.
3. the light draw off gear of naval vessel according to claim 2 flagpole, is characterized in that: described torsion spring is torsion spring, and described base also comprises to be located on base plate and the positive stop hook can fixed in the middle part of torsion spring; Two torque arm of described torsion spring are connected with Connection Block by the anchor shaft being fixed on Connection Block; Described flagpole sleeve pipe is positioned at the middle part of removable bottom.
4. the light draw off gear of naval vessel flagpole according to any one of claims 1 to 3, is characterized in that: when described flagpole sleeve pipe is in vertical state, and the torsional moment that torsion spring produces is greater than 0; When described flagpole sleeve pipe is in and fell state, the torsional moment that torsion spring produces is less than the gravity torque that flagpole produces in the axis place of axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085832.3A CN103112549B (en) | 2013-03-18 | 2013-03-18 | Portable ship flagpole retraction and releasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310085832.3A CN103112549B (en) | 2013-03-18 | 2013-03-18 | Portable ship flagpole retraction and releasing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103112549A CN103112549A (en) | 2013-05-22 |
| CN103112549B true CN103112549B (en) | 2015-05-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310085832.3A Active CN103112549B (en) | 2013-03-18 | 2013-03-18 | Portable ship flagpole retraction and releasing device |
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| Country | Link |
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| CN (1) | CN103112549B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273062A (en) * | 1978-10-05 | 1981-06-16 | Hannes Marker | Device for connecting a sailmast to a sailboard |
| US7013823B1 (en) * | 2005-04-11 | 2006-03-21 | Jeff Daugherty | Automatic warning flag system for a water ski boat |
| CN201321147Y (en) * | 2008-12-30 | 2009-10-07 | 中国长江航运集团江东船厂 | Automatic mast lowering mechanism |
| CN202624574U (en) * | 2012-06-28 | 2012-12-26 | 厦门瀚盛游艇有限公司 | Glass reinforced plastic sailboat mast mechanism capable of being folded down |
| CN203237383U (en) * | 2013-03-18 | 2013-10-16 | 龙彪 | Portable ship flagpole retracting device |
-
2013
- 2013-03-18 CN CN201310085832.3A patent/CN103112549B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273062A (en) * | 1978-10-05 | 1981-06-16 | Hannes Marker | Device for connecting a sailmast to a sailboard |
| US7013823B1 (en) * | 2005-04-11 | 2006-03-21 | Jeff Daugherty | Automatic warning flag system for a water ski boat |
| CN201321147Y (en) * | 2008-12-30 | 2009-10-07 | 中国长江航运集团江东船厂 | Automatic mast lowering mechanism |
| CN202624574U (en) * | 2012-06-28 | 2012-12-26 | 厦门瀚盛游艇有限公司 | Glass reinforced plastic sailboat mast mechanism capable of being folded down |
| CN203237383U (en) * | 2013-03-18 | 2013-10-16 | 龙彪 | Portable ship flagpole retracting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103112549A (en) | 2013-05-22 |
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