CN206984262U - A kind of collapsible mast - Google Patents
A kind of collapsible mast Download PDFInfo
- Publication number
- CN206984262U CN206984262U CN201720733550.3U CN201720733550U CN206984262U CN 206984262 U CN206984262 U CN 206984262U CN 201720733550 U CN201720733550 U CN 201720733550U CN 206984262 U CN206984262 U CN 206984262U
- Authority
- CN
- China
- Prior art keywords
- mast
- main body
- drive mechanism
- collapsible
- mast main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of collapsible mast, including mast main body and locating platform, mast main body is arranged on locating platform by an axis of rotation, it can be fallen down in advance to side when so mast passes through bridge, risen again after after bridge, the damaged in collision between mast top and bridge is avoided, ensures the normal use of mast.Mast body ends, which also extend, is fixed with a counter weight construction so that held stationary during falling with rise under mast, avoids influenceing safety under mast rapidly.In addition, by the mast for setting bracket to be fallen down to support, reduce under the influence of mast is conducted oneself with dignity and fall, ensure the bulk strength of mast, avoid the occurrence of stress deformation damage.
Description
Technical field
The utility model belongs to ship mast structure design field, and in particular to a kind of collapsible mast.
Background technology
Mast is that sail, flag, installing antenna and the high mast for supporting measuring platform, wooden oval pole or gold are hung on ship
Belong to post, generally vertically holded up from ship keel or middle plate, crossyard boom, suspension rod or sprit can be supported, possess a variety of work(
Can, it is the indispensable pith of ship's navigation.
Radar mast is one kind in ship mast, is mainly formed by installing S-band radar on mast, radar antenna leads to
For normal installation settings in mast top, marine navigation radar is to ensure ship's navigation, detection surrounding objects position, is kept away with implementing navigation
Allow, the radar of self poisoning etc., also referred to as marine radar, it comes in and goes out bay, logical especially suitable for night, greasy weather guiding ship
Ditch and coastal navigation are crossed, it is main to play navigation anticollision.
At this stage because the loading capacity of ship is increasing, the superstructure of ship also more and more higher, when ship passes through certain
During a little bridges, because bridge opening is highly relatively low, and mast is relatively too high, and mast height is certain, can not be adjusted, even if
Radar can detect front bridge, and the problem of mast bumps against with bridge also often occurs, cause mast top to damage or lead
The problems such as causing radar antenna collision impaired, influence the normal/cruise of ship.
Therefore, in view of problem above, it is necessary to propose it is a kind of it is new can realize down the mast form fallen, make its process
It can fall down to side during bridge, be risen again after after bridge in advance, avoid the damaged in collision between mast top and bridge, protect
Demonstrate,prove the normal use of mast.
Utility model content
In view of this, the utility model provides a kind of collapsible mast so that mast can be in advance to one when passing through bridge
Side is fallen down, and is risen again after after bridge, avoids the damaged in collision between mast top and bridge, ensures the normal use of mast.
A kind of collapsible mast proposed according to the purpose of this utility model, including mast main body and positioned at the mast
The locating platform of bottom part body, the mast main body are arranged on the locating platform by an axis of rotation, the mast master
Body end, which also extends, is fixed with a counter weight construction, and the counter weight construction is located at the upper and lower sides of rotating shaft, mast with mast main body respectively
Side is further fixedly arranged on a telescoping drive mechanism, and the front end of the telescoping drive mechanism, which is hinged, to be fixed on mast main body or match somebody with somebody
On weight structure；
When mast main body need to be descended down, the telescoping drive mechanism shrink or stretch out drive mast main body on the basis of rotating shaft to
One side oscillation is fallen down, when mast main body need to rise, the telescoping drive mechanism stretch out or shrink drive mast main body using rotating shaft as
Benchmark backswing, which rises to erect, to be fixed.
Preferably, the telescoping drive mechanism is cylinder or hydraulic jack or electric pushrod.
Preferably, the locating platform comprises at least base and is symmetricly set in the support of base both sides, is formed between support
The accommodation space of counter weight construction, when mast main body is swung, the counter weight construction is swung in the accommodation space.
Preferably, the telescoping drive mechanism is fixed on ship deck by a support, the telescoping drive mechanism
Bottom is hinged and is connected in the support.
Preferably, falling the bottom of side under mast main body is provided with a bracket, under mast main body after, the mast main body
It is supported on the bracket.
Preferably, the bracket support is in the middle part of the mast main body or at the upper position of middle part.
Preferably, the bracket top is located at sustained height with rotating shaft, is in horizontally disposed afterwards under mast main body.
Preferably, be provided with a position limiting structure on the locating platform side, the backswing of mast main body rise after with institute
State position limiting structure contact.
Preferably, mast main center opening position is provided with an absolute value for being used to detect mast main body swing angle
Encoder, the mast also include a controller, the absolute value encoder and the telescoping drive mechanism with the control
Device electrically connects.
Compared with prior art, it is the advantages of collapsible mast disclosed in the utility model：
The utility model middle mast includes mast main body and locating platform, and mast main body is arranged at by an axis of rotation
On locating platform, such mast can fall down to side in advance when passing through bridge, be risen again after after bridge, avoid mast top
Damaged in collision between portion and bridge, ensure the normal use of mast.
Mast body ends, which also extend, is fixed with a counter weight construction so that is fallen under mast with keeping flat during rise
Surely, avoid influenceing safety under mast rapidly.
In addition, by the mast for setting bracket to be fallen down to support, reduce under the influence of mast is conducted oneself with dignity and fall, ensure mast
Bulk strength, avoid the occurrence of stress deformation damage.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the mast of traditional structure forms.
Fig. 2 is the front view of mast two states disclosed in the utility model.
Fig. 3 is the left view of Fig. 2 middle masts.
The title of digital or alphabetical representative corresponding component in figure：
1st, mast main body 2, locating platform 3, rotating shaft 4, counter weight construction 5, hydraulic jack 6, support 7, bracket 8, limit
Bit architecture 21, support 22, accommodation space
Embodiment
Just as described in the background section, at this stage because the loading capacity of ship is increasing, the superstructure of ship
More and more higher, when ship passes through some bridges, because bridge opening is highly relatively low, and mast is relatively too high, often occurs
The problem of mast bumps against with bridge.
The utility model is directed to deficiency of the prior art, there is provided a kind of collapsible mast so that mast passes through bridge
When can be fallen down in advance to side, risen again after after bridge, avoid the damaged in collision between mast top and bridge, ensure mast
The normal use of bar.
The technical solution of the utility model will be clearly and completely described by embodiment below.Obviously,
Described embodiment is only the utility model part of the embodiment, rather than whole embodiments.Based on the utility model
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belong to the scope of the utility model protection.
Please also refer to Fig. 2 and Fig. 3, as illustrated, a kind of collapsible mast, including mast main body 1 and positioned at mast
The locating platform 2 of the bottom of main body 1, mast main body 1 is rotated by a rotating shaft 3 and is arranged on locating platform 2, by original mast
On the basis of, mast foot steel pipe and support are cut off, is fixed on locating platform 2, by the swing for controlling mast main body
Realize the rise of mast main body with it is lower fall, meet the height regulatory demand of mast.
The end of mast main body 1, which also extends, is fixed with a counter weight construction 4, and counter weight construction 4 is located at rotating shaft respectively with mast main body 1
3 upper and lower sides, mast side are further fixedly arranged on a telescoping drive mechanism, and the front end of telescoping drive mechanism, which is hinged, is fixed on mast
In bar main body 1 or counter weight construction 4.
Preferably, telescoping drive mechanism hinge is connected on balance weight mechanism in the present embodiment, passes through stretching for telescoping drive mechanism
Contracting motion drives counter weight construction 43 to swing around the shaft and then drive mast main body 1 to swing, realize mast it is lower fall with rise.Other
The front end of telescoping drive mechanism can be also hinged and be connected in mast main body 1 in embodiment, is not limited specifically.
When mast main body 1 need to be descended down, telescoping drive mechanism shrink or stretch out drive mast main body 1 on the basis of rotating shaft 3 to
One side oscillation is fallen down, and when mast need to rise, telescoping drive mechanism, which stretches out or shunk, drives mast main body 1 anti-on the basis of rotating shaft 3
Fixed to swinging to rise to erect.
Wherein, telescoping drive mechanism can be cylinder or hydraulic jack or electric pushrod etc., due to being ship in the utility model
Oceangoing ship mast field, mast volume mass is larger, therefore in order to ensure enough driving forces, it is preferred to use hydraulic jack 5 drives, tool
Depending on body type of drive is as needed, it is not limited herein.
Locating platform 2 comprises at least base (not shown) and is symmetricly set in the support 21 of base both sides, is formed between support
The accommodation space 22 of counter weight construction 4, when mast is swung, counter weight construction 4 can be swung in the accommodation space 22.In mast main body 1
Heart opening position is provided with an absolute value encoder (not shown) for being used to detect the swing angle of mast main body 1, and mast also includes one
Controller (not shown), absolute value encoder are electrically connected with the controller with telescoping drive mechanism.Under conventional sense, mast main body
Erect and set, during gap bridge, mast main body swing it is lower fall, full swing angle is 90 ° of clockwise oscillation, and mast main body is in after swing
Horizontally disposed, swing angle is also smaller than 90 ° in the case of other, and mast main body is specific to swing in inclined form relatively upward
Angular dimension is not limited specifically depending on the height for needing guiding through bridge opening or other buildings.
The swing angle of mast main body is detected by setting absolute value encoder, angle can be set in the controller in advance
Value, when mast main body swing angle reaches setting value, controller can control telescoping drive mechanism out of service.
Preferably, hydraulic jack 5 is fixed on ship deck by a support 6, and the bottom of hydraulic jack, which is hinged, is connected to branch
In support 6.
Preferably, mast main body 1 time falls the bottom of side and is provided with a bracket 7, under mast main body 1 after, mast main body 1
On bracket 7.The counter weight construction 4 of mast body rear is supported by hydraulic jack 5 and fixed, anterior to be supported admittedly by bracket 7
It is fixed, positioning is supported to multiple positions in mast main body by hydraulic jack and bracket engagement, under guarantee mast after it is steady
Fixed support.This external support can be at one, can also be along many places of the setting of falling direction under mast, realize the branch to the multiple positions of mast
Support, ensure mast under after stability.Preferably, bracket 7 is supported at the middle part of mast main body 1 or middle part upper position.
Preferably, the top of bracket 7 is located at sustained height with rotating shaft 3, is in horizontally disposed afterwards under mast main body 1.Ensure mast
Under bar after stationarity.
A position limiting structure 8 is provided with the side of locating platform 2, the backswing of mast main body 1 connects after rising with position limiting structure 8
Touch.By setting position limiting structure 8, it can prevent hydraulic jack stroke is excessive to cause the backswing of side downwards of mast main body,
Ensure stationarity and accuracy that mast main body raised position is put with lower inversion.
Position limiting structure 8 is the gag lever post (not shown) being fixedly installed on support 21.
Utility model works principle is as follows：
The bottom of hydraulic jack 5 is hingeably secured in support 6, and the top of hydraulic jack 5 is articulated with counter weight construction 4, often
In the case of rule, mast main body 1 is set in shape is erect, and hydraulic jack 5 is contraction state, when being fallen under mast main body 1 needs, hydraulic pressure
Oil cylinder 5 is protruding, promotes the clockwise oscillation of counter weight construction 4, and now mast main body 1 is overall suitable under the drive of counter weight construction 4
Hour hands swing, fallen down to side, until mast main body 1 contacted with bracket 7 it is spacing；When mast main body 1 need to rise, hydraulic jack 5
Reversely shrink and drive the counter-clockwise swing of counter weight construction 4, counter weight construction 4 drives the backswing liter on the basis of rotating shaft 3 of mast main body 1
Rise to erect and fix.
The utility model discloses a kind of collapsible mast, including mast main body and locating platform, mast main body passes through
One axis of rotation is arranged on locating platform, and such mast can fall down to side in advance when passing through bridge, after after bridge
Rise again, avoid the damaged in collision between mast top and bridge, ensure the normal use of mast.
Mast body ends, which also extend, is fixed with a counter weight construction so that is fallen under mast with keeping flat during rise
Surely, avoid influenceing safety under mast rapidly.
In addition, by the mast for setting bracket to be fallen down to support, reduce under the influence of mast is conducted oneself with dignity and fall, ensure mast
Bulk strength, avoid the occurrence of stress deformation damage.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (9)
1. a kind of collapsible mast, it is characterised in that put down including mast main body and positioned at the positioning of the mast bottom part body
Platform, the mast main body are arranged on the locating platform by an axis of rotation, and the mast body ends also extend fixation
There is a counter weight construction, the counter weight construction is located at the upper and lower sides of rotating shaft with mast main body respectively, and mast side is further fixedly arranged on
One telescoping drive mechanism, the front end of the telescoping drive mechanism, which is hinged, to be fixed on mast main body or counter weight construction；
When mast main body need to be descended down, the telescoping drive mechanism, which shrinks or stretched out, drives mast main body on the basis of rotating shaft to side
Swing is fallen down, and when mast main body need to rise, the telescoping drive mechanism, which stretches out or shunk, drives mast main body on the basis of rotating shaft
Backswing, which rises to erect, to be fixed.
2. collapsible mast according to claim 1, it is characterised in that the telescoping drive mechanism is cylinder or hydraulic oil
Cylinder or electric pushrod.
3. collapsible mast according to claim 1, it is characterised in that the locating platform is including at least base and symmetrically
The support of base both sides is arranged at, the accommodation space of counter weight construction, when mast main body is swung, the counter weight construction are formed between support
Swung in the accommodation space.
4. collapsible mast according to claim 1, it is characterised in that the telescoping drive mechanism is fixed by a support
In on ship deck, the bottom hinge of the telescoping drive mechanism is connected in the support.
5. collapsible mast according to claim 1, it is characterised in that the bottom of side is provided with one under mast main body
Bracket, under mast main body after, the mast body supports are on the bracket.
6. collapsible mast according to claim 5, it is characterised in that the bracket support is in the middle part of the mast main body
Or at the upper position of middle part.
7. collapsible mast according to claim 5, it is characterised in that the bracket top is located at same height with rotating shaft
Spend, afterwards in horizontally disposed under mast main body.
8. collapsible mast according to claim 1, it is characterised in that it is spacing to be provided with one on the locating platform side
Structure, the backswing of mast main body contact after rising with the position limiting structure.
9. collapsible mast according to claim 1, it is characterised in that mast main center opening position is provided with one
For detecting the absolute value encoder of mast main body swing angle, the mast also includes a controller, the absolute encoder
Device electrically connects with the telescoping drive mechanism with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733550.3U CN206984262U (en) | 2017-06-22 | 2017-06-22 | A kind of collapsible mast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733550.3U CN206984262U (en) | 2017-06-22 | 2017-06-22 | A kind of collapsible mast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206984262U true CN206984262U (en) | 2018-02-09 |
Family
ID=61396158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720733550.3U Expired - Fee Related CN206984262U (en) | 2017-06-22 | 2017-06-22 | A kind of collapsible mast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206984262U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252561A (en) * | 2018-10-29 | 2019-01-22 | 上海振华重工(集团)股份有限公司 | It is a kind of to hold a mechanism on piling bar trolley |
| CN109533200A (en) * | 2018-12-21 | 2019-03-29 | 江苏海通海洋工程装备有限公司 | A kind of automatic collapsible mast |
| CN109625224A (en) * | 2018-12-07 | 2019-04-16 | 大连船舶重工集团有限公司 | Sail recovery system based on coaster |
| CN109703695A (en) * | 2019-01-30 | 2019-05-03 | 江苏省镇江船厂（集团）有限公司 | The ship mast device that manpower fell or holded up |
| CN109703723A (en) * | 2018-12-07 | 2019-05-03 | 大连船舶重工集团有限公司 | Sail recovery system based on bracket |
| CN111071387A (en) * | 2019-12-09 | 2020-04-28 | 英辉南方造船（广州番禺）有限公司 | Aluminum alloy balanced fast-falling mast for high-speed ship |
| CN112124492A (en) * | 2020-09-25 | 2020-12-25 | 中国船舶重工集团公司第七0七研究所 | Folding mast for unmanned ship |
| CN112706876A (en) * | 2021-01-07 | 2021-04-27 | 英辉南方造船（广州番禺）有限公司 | Electric reversible mast device and ship applying same |
-
2017
- 2017-06-22 CN CN201720733550.3U patent/CN206984262U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252561A (en) * | 2018-10-29 | 2019-01-22 | 上海振华重工(集团)股份有限公司 | It is a kind of to hold a mechanism on piling bar trolley |
| CN109252561B (en) * | 2018-10-29 | 2024-02-06 | 上海振华重工(集团)股份有限公司 | Pile lifting mechanism capable of being reversed and used on steel pile trolley |
| CN109625224A (en) * | 2018-12-07 | 2019-04-16 | 大连船舶重工集团有限公司 | Sail recovery system based on coaster |
| CN109703723A (en) * | 2018-12-07 | 2019-05-03 | 大连船舶重工集团有限公司 | Sail recovery system based on bracket |
| CN109625224B (en) * | 2018-12-07 | 2021-04-09 | 大连船舶重工集团有限公司 | Sail recovery system based on pulley |
| CN109703723B (en) * | 2018-12-07 | 2021-04-09 | 大连船舶重工集团有限公司 | Sail recovery system based on support |
| CN109533200A (en) * | 2018-12-21 | 2019-03-29 | 江苏海通海洋工程装备有限公司 | A kind of automatic collapsible mast |
| CN109703695A (en) * | 2019-01-30 | 2019-05-03 | 江苏省镇江船厂（集团）有限公司 | The ship mast device that manpower fell or holded up |
| CN111071387A (en) * | 2019-12-09 | 2020-04-28 | 英辉南方造船（广州番禺）有限公司 | Aluminum alloy balanced fast-falling mast for high-speed ship |
| CN112124492A (en) * | 2020-09-25 | 2020-12-25 | 中国船舶重工集团公司第七0七研究所 | Folding mast for unmanned ship |
| CN112706876A (en) * | 2021-01-07 | 2021-04-27 | 英辉南方造船（广州番禺）有限公司 | Electric reversible mast device and ship applying same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206984262U (en) | A kind of collapsible mast | |
| US10472214B2 (en) | Crane and method for monitoring the overload protection of such a crane | |
| CN205365982U (en) | Be applied to fallen mast of boats and ships | |
| CN104961043B (en) | A kind of crane barge and its Multifunctional hanging hook, Multifunctional hanging hook group | |
| CN1097553C (en) | Crane capable of carrying | |
| JP2012240539A (en) | Ship having square sail formed with hard sail, and method for accommodating and deploying square sail | |
| US20210024334A1 (en) | Crane for a wind farm installation vessel | |
| JP6001750B2 (en) | Ship with side sail formed by hard sail and method for storing and deploying side sail | |
| CN107472464A (en) | A kind of Embarking of Passenger bridges ship passage | |
| CN207241965U (en) | A kind of Embarking of Passenger bridges ship passage | |
| CN209290613U (en) | A kind of automatic collapsible mast | |
| CN205220636U (en) | Bridge inspect vehicle's operation levelling device | |
| CN105829203A (en) | Saddle and hook system | |
| CN105818942B (en) | A kind of working method of the radar top lantern with Telescopic | |
| CN202783703U (en) | Invertible mainmast mechanism suitable for large transport ship | |
| CN205576758U (en) | System is prevent wind in regional large -span cable -stay bridge steel case beam length cantilevered erection construction of strong typhoon | |
| CN208500190U (en) | Movable arm type tower crane Overthrow preventing device | |
| CN209989713U (en) | Bridge edge restores and uses supporting structure with adjustable | |
| CN101003350B (en) | Erecting and mounting method for up-rotation self erecting tower crane | |
| CN109533200A (en) | A kind of automatic collapsible mast | |
| CN209275701U (en) | A kind of flexible composition system of double leval jib floating type ship unloading machine | |
| CN111591934A (en) | Cantilever crane assembly and bow member installation platform truck | |
| JPS5943352Y2 (en) | Boom fixing device | |
| US3194411A (en) | Pivoting tower crane | |
| CN201856611U (en) | Upper balance bar structure in passenger car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20210622 |