CN104554620A - Retractable bracket used for screw propeller open water testing device - Google Patents
Retractable bracket used for screw propeller open water testing device Download PDFInfo
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- CN104554620A CN104554620A CN201410765931.0A CN201410765931A CN104554620A CN 104554620 A CN104554620 A CN 104554620A CN 201410765931 A CN201410765931 A CN 201410765931A CN 104554620 A CN104554620 A CN 104554620A
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- rod
- rod body
- test device
- water test
- telescope support
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Abstract
The invention discloses a retractable bracket used for a screw propeller open water testing device. The retractable bracket comprises connection pieces which are connected with the screw propeller open water testing device, and further comprises a retractable rod, wherein the retractable rod is composed of a first rod body and a second rod body, which are vertical and sleeve each other; the first rod body is located on the upper side of the second rod body; the first rod body is a hollow sleeve; the outer diameter of the second rod body is smaller than the inner diameter of the first rod body; the first rod body sleeves the second rod body and the second rod body can do retractable movement along the axis of the first rod body; a locking structure, which is used for locking the second rod body at a needed position so that the second rod body cannot move relative to the first rod body, is arranged between the first rod body and the second rod body; the connection pieces are arranged at the two ends of the retractable rod respectively. With the adoption of the retractable bracket, the water immersing depth of a screw propeller can be adjusted by self-retraction; the retractable bracket can be detached from a guide rail plate and an open water tank and is convenient to maintain.
Description
Technical field
The present invention relates to model experiment instrument and equipment field, more particularly, relate to the telescope support for propeller open-water test device.
Background technology
Propeller open-water test is the experiment of model propeller individually in uniform flow, main purpose is calibrating and the performance analyzing screw propeller, special collection of illustrative plates is depicted as by after acquired results analysis and arrangement after test, use for design, or systematically analyze the various element of a set of screw propeller to the impact of performance, for selecting properly various parameter during design, can also check and proof theory method, finally self-propulsion test can also be coordinated, to analyze propulsion coefficient composition, the various comparison relating to the quality of scheme, is convenient to select best screw propeller.
Propeller open-water test can be carried out in naval tank, circulating water channel, Cavitation Tunnel or open water test boat, the structure of open water test boat is mainly made up of the guide-rail plate installed successively from top to down, guide-rail plate support and spacious water tank, wherein rail brackets adopts and guide rail or spacious water tank integrated design usually, its complex structure, dismounting troublesome maintenance, not by self stretching propeller blades immersed depth up and down.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of telescope support for propeller open-water test device, this telescope support not only can by self stretching propeller blades immersed depth, and can disassemble from guide-rail plate and spacious water tank, facilitate plant maintenance.
The present invention adopts following technological means to solve above-mentioned technical matters: a kind of telescope support for propeller open-water test device, comprise the attaching parts for being connected with propeller open-water test device, telescope support also comprises expansion link, expansion link is by vertically to arrange and mutually first body of rod of fit and second body of rod are formed, first body of rod is the upside in second body of rod, wherein first body of rod is hollow bushing, the external diameter of second body of rod is less than the internal diameter of first body of rod, second body of rod is socketed in first body of rod also can do fore and aft motion along the axis of first body of rod, be provided with for locking second body of rod in the position needed between first body of rod and second body of rod, make second body of rod can not more relative first the body of rod motion locking structure, attaching parts is located at expansion link two ends respectively.Attaching parts preferably adopts butt flange.
On the basis of technique scheme, in order to obtain better technique effect, the present invention can also make following improvement.
Second body of rod is also designed to hollow tubular structures.Although solid rod-like structure has the better rigidity of structure, under the prerequisite of assurance device rigidity, adopt hollow structure, can material be saved, reach cost-saving object.
Expansion link has three, three expansion link arrangement in parallels and being fixedly connected with by tie-beam.Tie-beam can comprise tie-beam and lower tie-beam, lays respectively at the two ends of expansion link.Expansion link, tie-beam form horizontal " day " glyph framework structure, and this structural stability is good, and the pressure that can bear and pulling force are all comparatively large, and are conducive to doing and further improve.Further improving can be following structure:
What be positioned at centre in three expansion links is adjustable telescopic rod, the length of second body of rod of adjustable telescopic rod is greater than the length of its first body of rod, the attaching parts of adjustable telescopic rod upper end has the through hole that can stretch out for second body of rod of adjustable telescopic rod, the upper end outside face of second body of rod of adjustable telescopic rod is provided with screw thread and passes from through hole, and the first body of rod inside of adjustable telescopic rod is provided with the negative thread matched with the second body of rod outer surface thread.
What be positioned at both sides in three expansion links is support telescopic bar, and the structure of two support telescopic bars is identical and be symmetrically arranged amongst the both sides of adjustable telescopic rod.
The length of second body of rod of support telescopic bar is not more than the length of its first body of rod, and the attaching parts of the first body of rod upper end of support telescopic bar is enclosed construction, between the body of rod inside and the end face of second body of rod of first body of rod of support telescopic bar, be provided with spring.
The part of stretching out its first body of rod at second body of rod of adjustable telescopic rod installs the setting nut being with jug or butterfly ear additional, turn setting nut, make second body of rod of adjustable telescopic rod relative to its first body of rod up-and-down movement, and drive two of support telescopic bar bodies of rod to do fore and aft motion, thus realize integrally-built up-down adjustment.Spring in support telescopic bar is used for the elastic force by spring, and realize buffering, the test figures avoiding fiercer rising or decline to cause is inaccurate.
In order to avoid excessive adjustment, expansion link is also provided with position limiting structure, position limiting structure has a variety of form, such as pin type, bayonet type etc., what one of them was comparatively optimized is related to: position limiting structure comprises the U-shaped hole be located on first body of rod and the spacing preiection being located at the second body of rod outside face, the center line in U-shaped hole parallels with the axis of first body of rod, and spacing preiection coordinates with U-shaped hole to be installed and stretches out from U-shaped hole.This relatively simple for structure, do not need to increase pin and snap close again, be issued to cost-saving object realizing spacing object prerequisite.
U-shaped hole on every root expansion link has four, and at the periphery equidistant arrangement of first body of rod, spacing preiection corresponding on second body of rod also respectively has four.The U-shaped hole distributed symmetrically contributes to uniform force, reduces and damages.
Usefulness of the present invention is: 1. support adopts Telescopic rod structure, can regulate support whole height, thus realize propeller blades immersed depth further by stretching up and down of expansion link self; 2. support upper and lower side is all provided with attaching parts, can pass through attaching parts connection guide rail plate and spacious water tank, directly remove and just can carry out keeping in repair or changing when needing repairing, very convenient; 3. structure is simple, with low cost.
Accompanying drawing explanation
Fig. 1 is the block diagram of the specific embodiment of the invention;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the lateral plan of Fig. 1;
Fig. 4 is the birds-eye view of Fig. 1.
Detailed description of the invention
The telescope support for propeller open-water test device as shown in Fig. 1 to Fig. 4, comprise for be connected with propeller open-water test device with expansion link 2 and the butt flange 1 being separately positioned on expansion link 2 two ends, expansion link 2 has three, every root expansion link 2 is all by vertically to arrange and mutually first body of rod 21 of fit and second body of rod 22 are formed, first body of rod 21 and second body of rod 22 are all hollow bushing structures, first body of rod 21 is positioned at the upside of second body of rod 22, the external diameter of second body of rod 22 is less than the internal diameter of first body of rod 21, second body of rod 22 is socketed in first body of rod 21 also can do fore and aft motion along the axis of first body of rod 21.Three expansion link 2 arrangement in parallels and being fixedly connected with by tie-beam.Tie-beam comprises tie-beam 31 and lower tie-beam 32, and upper tie-beam 31 and lower tie-beam 32 lay respectively at the two ends of expansion link.Expansion link 2, tie-beam form horizontal " day " glyph framework structure.
What be positioned at centre in three expansion links 2 is adjustable telescopic rod, the length of second body of rod of adjustable telescopic rod is greater than the length of its first body of rod, the attaching parts of adjustable telescopic rod upper end has the through hole that can stretch out for second body of rod of adjustable telescopic rod, upper end 23 outside face of second body of rod of adjustable telescopic rod is provided with screw thread and passes from through hole, and the first body of rod inside of adjustable telescopic rod is provided with the negative thread matched with the second body of rod outer surface thread.
What be positioned at both sides in three expansion links 2 is support telescopic bar, and the structure of two support telescopic bars is identical and be symmetrically arranged amongst the both sides of adjustable telescopic rod.The length of second body of rod of support telescopic bar is not more than the length of its first body of rod, and the attaching parts of the first body of rod upper end of support telescopic bar is enclosed construction, between the body of rod inside and the end face of second body of rod of first body of rod of support telescopic bar, be provided with spring 24.
The part of stretching out its first body of rod at second body of rod of adjustable telescopic rod installs the setting nut being with jug or butterfly ear additional, turn setting nut, make second body of rod of adjustable telescopic rod relative to its first body of rod up-and-down movement, and drive two of support telescopic bar bodies of rod to do fore and aft motion, thus realize integrally-built up-down adjustment.Spring in support telescopic bar is used for the elastic force by spring, and realize buffering, the test figures avoiding fiercer rising or decline to cause is inaccurate.
Three expansion links are also provided with position limiting structure, in this specific embodiment, position limiting structure comprises the U-shaped hole 211 be located on first body of rod and the spacing preiection 221 being located at the second body of rod outside face, the center line in U-shaped hole 211 parallels with the axis of first body of rod 21, and spacing preiection 221 coordinates with U-shaped hole 211 to be installed and stretches out from U-shaped hole 211.U-shaped hole 211 on every root expansion link has four, and at the periphery equidistant arrangement of first body of rod 21, spacing preiection 221 corresponding on second body of rod 22 also respectively has four.
Above embodiment is for understanding the present invention's; it is not limitation of the present invention; the those of ordinary skill of related fields; on the basis of technical scheme described in claim; can also make multiple change or modification, these changes or modification should be understood to still belong to protection domain of the present utility model.
Claims (10)
1. the telescope support for propeller open-water test device, comprise the attaching parts for being connected with propeller open-water test device, it is characterized in that: described telescope support also comprises expansion link, expansion link is by vertically to arrange and mutually first body of rod of fit and second body of rod are formed, first body of rod is the upside in second body of rod, wherein first body of rod is hollow bushing, the external diameter of second body of rod is less than the internal diameter of first body of rod, second body of rod is socketed in first body of rod also can do fore and aft motion along the axis of first body of rod, be provided with for locking second body of rod in the position needed between first body of rod and second body of rod, make second body of rod can not more relative first the body of rod motion locking structure, described attaching parts is located at expansion link two ends respectively.
2. according to claim 1 for the telescope support of propeller open-water test device, it is characterized in that: described second body of rod is also hollow tubular structures.
3. according to claim 1 for the telescope support of propeller open-water test device, it is characterized in that: described expansion link has three, three expansion link arrangement in parallels and being fixedly connected with by tie-beam.
4. according to claim 3 for the telescope support of propeller open-water test device, it is characterized in that: what be positioned at centre in three expansion links is adjustable telescopic rod, the length of second body of rod of adjustable telescopic rod is greater than the length of its first body of rod, the attaching parts of adjustable telescopic rod upper end has the through hole that can stretch out for second body of rod of adjustable telescopic rod, the upper end outside face of second body of rod of adjustable telescopic rod is provided with screw thread and passes from described through hole, and the first body of rod inside of adjustable telescopic rod is provided with the negative thread matched with the second body of rod outer surface thread.
5. according to claim 4 for the telescope support of propeller open-water test device, it is characterized in that: what be positioned at both sides in three expansion links is support telescopic bar, the structure of two support telescopic bars is identical and be symmetrically arranged amongst the both sides of described adjustable telescopic rod.
6. according to claim 5 for the telescope support of propeller open-water test device, it is characterized in that: the length of second body of rod of described support telescopic bar is not more than the length of its first body of rod, the attaching parts of the first body of rod upper end of support telescopic bar is enclosed construction, between the body of rod inside and the end face of second body of rod of first body of rod of support telescopic bar, be provided with spring.
7. according to any one of claim 1 to 6 for the telescope support of propeller open-water test device, it is characterized in that: described position limiting structure comprises the U-shaped hole be located on described first body of rod and the spacing preiection being located at the second body of rod outside face, the center line in described U-shaped hole parallels with the axis of first body of rod, and described spacing preiection coordinates with U-shaped hole to be installed and stretches out from U-shaped hole.
8. according to claim 7 for the telescope support of propeller open-water test device, it is characterized in that: the U-shaped hole on every root expansion link has four, at the periphery equidistant arrangement of described first body of rod, spacing preiection corresponding on described second body of rod also respectively has four.
9. according to claim 8 for the telescope support of propeller open-water test device, it is characterized in that: described tie-beam comprises tie-beam and lower tie-beam, lays respectively at the two ends of described expansion link.
10. according to claim 9 for the telescope support of propeller open-water test device, it is characterized in that: described attaching parts is butt flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410765931.0A CN104554620B (en) | 2014-12-11 | 2014-12-11 | Retractable bracket used for screw propeller open water testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410765931.0A CN104554620B (en) | 2014-12-11 | 2014-12-11 | Retractable bracket used for screw propeller open water testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104554620A true CN104554620A (en) | 2015-04-29 |
| CN104554620B CN104554620B (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410765931.0A Active CN104554620B (en) | 2014-12-11 | 2014-12-11 | Retractable bracket used for screw propeller open water testing device |
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| CN (1) | CN104554620B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976887A (en) * | 2020-01-16 | 2020-11-24 | 芜湖海通船舶科技有限公司 | Aluminum alloy strut for naval vessels and use method thereof |
| CN114134812A (en) * | 2021-10-26 | 2022-03-04 | 山东高速工程建设集团有限公司 | Construction method of in-water support dismantling system for cast-in-place bridge steel pipe pile |
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| CN201396563Y (en) * | 2008-12-04 | 2010-02-03 | 窦西泉 | Stay bar |
| CN201836082U (en) * | 2010-10-29 | 2011-05-18 | 耿爽 | Lifting type ceiling fan |
| CN102267541A (en) * | 2011-05-10 | 2011-12-07 | 上海交通大学 | Experimental turret device for pool model |
| US8375782B1 (en) * | 2011-07-25 | 2013-02-19 | M Ship Co., Llc | Model hull testing method, platform, and system |
| KR101402498B1 (en) * | 2013-03-14 | 2014-06-02 | 한국해양과학기술원 | Propeller open-water test method in large cavitation tunnel |
-
2014
- 2014-12-11 CN CN201410765931.0A patent/CN104554620B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201396563Y (en) * | 2008-12-04 | 2010-02-03 | 窦西泉 | Stay bar |
| CN201836082U (en) * | 2010-10-29 | 2011-05-18 | 耿爽 | Lifting type ceiling fan |
| CN102267541A (en) * | 2011-05-10 | 2011-12-07 | 上海交通大学 | Experimental turret device for pool model |
| US8375782B1 (en) * | 2011-07-25 | 2013-02-19 | M Ship Co., Llc | Model hull testing method, platform, and system |
| KR101402498B1 (en) * | 2013-03-14 | 2014-06-02 | 한국해양과학기술원 | Propeller open-water test method in large cavitation tunnel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976887A (en) * | 2020-01-16 | 2020-11-24 | 芜湖海通船舶科技有限公司 | Aluminum alloy strut for naval vessels and use method thereof |
| CN114134812A (en) * | 2021-10-26 | 2022-03-04 | 山东高速工程建设集团有限公司 | Construction method of in-water support dismantling system for cast-in-place bridge steel pipe pile |
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| Publication number | Publication date |
|---|---|
| CN104554620B (en) | 2017-02-22 |
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| CB03 | Change of inventor or designer information |
Inventor after: Wu Qiaorui Inventor after: Wang Huaming Inventor before: Zhao Chunhui Inventor before: Wang Huaming Inventor before: Chen Junhong Inventor before: Li Chao Inventor before: Tu Luqiong |
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